diff options
Diffstat (limited to 'packages/gcc/11.4.0')
32 files changed, 0 insertions, 3920 deletions
diff --git a/packages/gcc/11.4.0/0000-libtool-leave-framework-alone.patch b/packages/gcc/11.4.0/0000-libtool-leave-framework-alone.patch deleted file mode 100644 index 1a86e415..00000000 --- a/packages/gcc/11.4.0/0000-libtool-leave-framework-alone.patch +++ /dev/null @@ -1,18 +0,0 @@ ---- - libtool-ldflags | 5 +++++ - 1 file changed, 5 insertions(+) - ---- a/libtool-ldflags -+++ b/libtool-ldflags -@@ -36,6 +36,11 @@ - for arg - do - case $arg in -+ -framework) -+ # libtool handles this option. It should not be prefixed with -+ # -Xcompiler, as that would split it from the argument that -+ # follows. -+ ;; - -f*|--*|-static-lib*|-shared-lib*|-B*) - # Libtool does not ascribe any special meaning options - # that begin with -f or with a double-dash. So, it will diff --git a/packages/gcc/11.4.0/0001-gcc-plugin-POSIX-include-sys-select-h.patch b/packages/gcc/11.4.0/0001-gcc-plugin-POSIX-include-sys-select-h.patch deleted file mode 100644 index 5f9a07a2..00000000 --- a/packages/gcc/11.4.0/0001-gcc-plugin-POSIX-include-sys-select-h.patch +++ /dev/null @@ -1,14 +0,0 @@ ---- - libcc1/connection.cc | 1 + - 1 file changed, 1 insertion(+) - ---- a/libcc1/connection.cc -+++ b/libcc1/connection.cc -@@ -21,6 +21,7 @@ - #include <string> - #include <unistd.h> - #include <sys/types.h> -+#include <sys/select.h> - #include <string.h> - #include <errno.h> - #include "marshall.hh" diff --git a/packages/gcc/11.4.0/0002-arm-softfloat-libgcc.patch b/packages/gcc/11.4.0/0002-arm-softfloat-libgcc.patch deleted file mode 100644 index d9800365..00000000 --- a/packages/gcc/11.4.0/0002-arm-softfloat-libgcc.patch +++ /dev/null @@ -1,31 +0,0 @@ ---- - gcc/config/arm/linux-elf.h | 2 +- - libgcc/config/arm/t-linux | 7 ++++++- - 2 files changed, 7 insertions(+), 2 deletions(-) - ---- a/gcc/config/arm/linux-elf.h -+++ b/gcc/config/arm/linux-elf.h -@@ -58,7 +58,7 @@ - %{shared:-lc} \ - %{!shared:%{profile:-lc_p}%{!profile:-lc}}" - --#define LIBGCC_SPEC "%{mfloat-abi=soft*:-lfloat} -lgcc" -+#define LIBGCC_SPEC "-lgcc" - - #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" - ---- a/libgcc/config/arm/t-linux -+++ b/libgcc/config/arm/t-linux -@@ -1,6 +1,11 @@ - LIB1ASMSRC = arm/lib1funcs.S - LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx _clzsi2 _clzdi2 \ -- _ctzsi2 _arm_addsubdf3 _arm_addsubsf3 -+ _ctzsi2 _arm_addsubdf3 _arm_addsubsf3 \ -+ _arm_addsubdf3 _arm_addsubsf3 \ -+ _arm_negdf2 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \ -+ _arm_fixdfsi _arm_fixunsdfsi _arm_truncdfsf2 \ -+ _arm_negsf2 _arm_muldivsf3 _arm_cmpsf2 _arm_unordsf2 \ -+ _arm_fixsfsi _arm_fixunssfsi - - # Just for these, we omit the frame pointer since it makes such a big - # difference. diff --git a/packages/gcc/11.4.0/0003-libgcc-disable-split-stack-nothreads.patch b/packages/gcc/11.4.0/0003-libgcc-disable-split-stack-nothreads.patch deleted file mode 100644 index df91a9ff..00000000 --- a/packages/gcc/11.4.0/0003-libgcc-disable-split-stack-nothreads.patch +++ /dev/null @@ -1,17 +0,0 @@ -disable split-stack for non-thread builds - -Signed-off-by: Waldemar Brodkorb <wbx@openadk.org> - ---- - libgcc/config/t-stack | 2 ++ - 1 file changed, 2 insertions(+) - ---- a/libgcc/config/t-stack -+++ b/libgcc/config/t-stack -@@ -1,4 +1,6 @@ - # Makefile fragment to provide generic support for -fsplit-stack. - # This should be used in config.host for any host which supports - # -fsplit-stack. -+ifeq ($(enable_threads),yes) - LIB2ADD_ST += $(srcdir)/generic-morestack.c $(srcdir)/generic-morestack-thread.c -+endif diff --git a/packages/gcc/11.4.0/0004-Remove-use-of-include_next-from-c-headers.patch b/packages/gcc/11.4.0/0004-Remove-use-of-include_next-from-c-headers.patch deleted file mode 100644 index 920e64da..00000000 --- a/packages/gcc/11.4.0/0004-Remove-use-of-include_next-from-c-headers.patch +++ /dev/null @@ -1,262 +0,0 @@ -From 9db1164d68ee1da7434af48db4f828d7df51b055 Mon Sep 17 00:00:00 2001 -From: Keith Packard <keithp@keithp.com> -Date: Sun, 24 Jan 2021 14:20:33 -0800 -Subject: [PATCH] Remove use of include_next from c++ headers - -Using include_next bypasses the default header search path and lets -files later in the include path take priority over earlier files. - -This makes replacing libc impossible as the default libc headers will -occur after the libstdc++ headers, and so be picked up in place of -headers inserted at the begining of the search path or appended to the -end of the search path. - -Using include_next is a hack to work-around broken combinations of -libraries, and is not necessary in a well constructed toolchain. - -Signed-off-by: Keith Packard <keithp@keithp.com> ---- - libstdc++-v3/include/bits/std_abs.h | 4 ++-- - libstdc++-v3/include/c/cassert | 2 +- - libstdc++-v3/include/c/cctype | 2 +- - libstdc++-v3/include/c/cerrno | 2 +- - libstdc++-v3/include/c/cfloat | 2 +- - libstdc++-v3/include/c/climits | 2 +- - libstdc++-v3/include/c/clocale | 2 +- - libstdc++-v3/include/c/cmath | 2 +- - libstdc++-v3/include/c/csetjmp | 2 +- - libstdc++-v3/include/c/csignal | 2 +- - libstdc++-v3/include/c/cstdarg | 2 +- - libstdc++-v3/include/c/cstddef | 2 +- - libstdc++-v3/include/c/cstdio | 2 +- - libstdc++-v3/include/c/cstdlib | 2 +- - libstdc++-v3/include/c/cstring | 2 +- - libstdc++-v3/include/c/ctime | 2 +- - libstdc++-v3/include/c/cuchar | 2 +- - libstdc++-v3/include/c/cwchar | 2 +- - libstdc++-v3/include/c/cwctype | 2 +- - libstdc++-v3/include/c_global/cmath | 2 +- - libstdc++-v3/include/c_global/cstdlib | 2 +- - 21 files changed, 22 insertions(+), 22 deletions(-) - ---- a/libstdc++-v3/include/bits/std_abs.h -+++ b/libstdc++-v3/include/bits/std_abs.h -@@ -35,9 +35,9 @@ - #include <bits/c++config.h> - - #define _GLIBCXX_INCLUDE_NEXT_C_HEADERS --#include_next <stdlib.h> -+#include <stdlib.h> - #ifdef __CORRECT_ISO_CPP_MATH_H_PROTO --# include_next <math.h> -+# include <math.h> - #endif - #undef _GLIBCXX_INCLUDE_NEXT_C_HEADERS - ---- a/libstdc++-v3/include/c/cassert -+++ b/libstdc++-v3/include/c/cassert -@@ -31,4 +31,4 @@ - #pragma GCC system_header - - #include <bits/c++config.h> --#include_next <assert.h> -+#include <assert.h> ---- a/libstdc++-v3/include/c/cctype -+++ b/libstdc++-v3/include/c/cctype -@@ -31,6 +31,6 @@ - - #pragma GCC system_header - --#include_next <ctype.h> -+#include <ctype.h> - - #endif ---- a/libstdc++-v3/include/c/cerrno -+++ b/libstdc++-v3/include/c/cerrno -@@ -41,7 +41,7 @@ - #pragma GCC system_header - - #include <bits/c++config.h> --#include_next <errno.h> -+#include <errno.h> - - // Adhere to section 17.4.1.2 clause 5 of ISO 14882:1998 - #ifndef errno ---- a/libstdc++-v3/include/c/cfloat -+++ b/libstdc++-v3/include/c/cfloat -@@ -32,6 +32,6 @@ - #pragma GCC system_header - - #include <bits/c++config.h> --#include_next <float.h> -+#include <float.h> - - #endif ---- a/libstdc++-v3/include/c/climits -+++ b/libstdc++-v3/include/c/climits -@@ -32,6 +32,6 @@ - #pragma GCC system_header - - #include <bits/c++config.h> --#include_next <limits.h> -+#include <limits.h> - - #endif ---- a/libstdc++-v3/include/c/clocale -+++ b/libstdc++-v3/include/c/clocale -@@ -31,6 +31,6 @@ - - #pragma GCC system_header - --#include_next <locale.h> -+#include <locale.h> - - #endif ---- a/libstdc++-v3/include/c/cmath -+++ b/libstdc++-v3/include/c/cmath -@@ -33,7 +33,7 @@ - - #include <bits/c++config.h> - --#include_next <math.h> -+#include <math.h> - - // Get rid of those macros defined in <math.h> in lieu of real functions. - #undef abs ---- a/libstdc++-v3/include/c/csetjmp -+++ b/libstdc++-v3/include/c/csetjmp -@@ -31,7 +31,7 @@ - - #pragma GCC system_header - --#include_next <setjmp.h> -+#include <setjmp.h> - - // Get rid of those macros defined in <setjmp.h> in lieu of real functions. - #undef longjmp ---- a/libstdc++-v3/include/c/csignal -+++ b/libstdc++-v3/include/c/csignal -@@ -31,6 +31,6 @@ - - #pragma GCC system_header - --#include_next <signal.h> -+#include <signal.h> - - #endif ---- a/libstdc++-v3/include/c/cstdarg -+++ b/libstdc++-v3/include/c/cstdarg -@@ -32,6 +32,6 @@ - #pragma GCC system_header - - #undef __need___va_list --#include_next <stdarg.h> -+#include <stdarg.h> - - #endif ---- a/libstdc++-v3/include/c/cstddef -+++ b/libstdc++-v3/include/c/cstddef -@@ -35,6 +35,6 @@ - #define __need_ptrdiff_t - #define __need_NULL - #define __need_offsetof --#include_next <stddef.h> -+#include <stddef.h> - - #endif ---- a/libstdc++-v3/include/c/cstdio -+++ b/libstdc++-v3/include/c/cstdio -@@ -31,7 +31,7 @@ - - #pragma GCC system_header - --#include_next <stdio.h> -+#include <stdio.h> - - // Get rid of those macros defined in <stdio.h> in lieu of real functions. - #undef clearerr ---- a/libstdc++-v3/include/c/cstdlib -+++ b/libstdc++-v3/include/c/cstdlib -@@ -31,6 +31,6 @@ - - #pragma GCC system_header - --#include_next <stdlib.h> -+#include <stdlib.h> - - #endif ---- a/libstdc++-v3/include/c/cstring -+++ b/libstdc++-v3/include/c/cstring -@@ -31,6 +31,6 @@ - - #pragma GCC system_header - --#include_next <string.h> -+#include <string.h> - - #endif ---- a/libstdc++-v3/include/c/ctime -+++ b/libstdc++-v3/include/c/ctime -@@ -31,6 +31,6 @@ - - #pragma GCC system_header - --#include_next <time.h> -+#include <time.h> - - #endif ---- a/libstdc++-v3/include/c/cuchar -+++ b/libstdc++-v3/include/c/cuchar -@@ -39,7 +39,7 @@ - #include <cwchar> - - #if _GLIBCXX_USE_C11_UCHAR_CXX11 --# include_next <uchar.h> -+# include <uchar.h> - #endif - - #endif // C++11 ---- a/libstdc++-v3/include/c/cwchar -+++ b/libstdc++-v3/include/c/cwchar -@@ -36,7 +36,7 @@ - #include <ctime> - - #if _GLIBCXX_HAVE_WCHAR_H --#include_next <wchar.h> -+#include <wchar.h> - #endif - - // Need to do a bit of trickery here with mbstate_t as char_traits ---- a/libstdc++-v3/include/c/cwctype -+++ b/libstdc++-v3/include/c/cwctype -@@ -34,7 +34,7 @@ - #include <bits/c++config.h> - - #if _GLIBCXX_HAVE_WCTYPE_H --#include_next <wctype.h> -+#include <wctype.h> - #endif - - #endif ---- a/libstdc++-v3/include/c_global/cmath -+++ b/libstdc++-v3/include/c_global/cmath -@@ -42,7 +42,7 @@ - #include <bits/cpp_type_traits.h> - #include <ext/type_traits.h> - #define _GLIBCXX_INCLUDE_NEXT_C_HEADERS --#include_next <math.h> -+#include <math.h> - #undef _GLIBCXX_INCLUDE_NEXT_C_HEADERS - #include <bits/std_abs.h> - ---- a/libstdc++-v3/include/c_global/cstdlib -+++ b/libstdc++-v3/include/c_global/cstdlib -@@ -72,7 +72,7 @@ - // Need to ensure this finds the C library's <stdlib.h> not a libstdc++ - // wrapper that might already be installed later in the include search path. - #define _GLIBCXX_INCLUDE_NEXT_C_HEADERS --#include_next <stdlib.h> -+#include <stdlib.h> - #undef _GLIBCXX_INCLUDE_NEXT_C_HEADERS - #include <bits/std_abs.h> - diff --git a/packages/gcc/11.4.0/0005-arc-Update-ZOL-pattern.patch b/packages/gcc/11.4.0/0005-arc-Update-ZOL-pattern.patch deleted file mode 100644 index 361c9dbe..00000000 --- a/packages/gcc/11.4.0/0005-arc-Update-ZOL-pattern.patch +++ /dev/null @@ -1,44 +0,0 @@ -From 7efc628f79a1801b292623dfe5aa8c53a61a2121 Mon Sep 17 00:00:00 2001 -From: Claudiu Zissulescu <claziss@synopsys.com> -Date: Tue, 14 Sep 2021 12:25:43 +0300 -Subject: [PATCH] arc: Update ZOL pattern. - -The ZOL pattern is missing modes which may lead to errors during -var_tracking. Add them. - -gcc/ - * config/arc/arc.md (doloop_end): Add missing mode. - (loop_end): Likewise. - -See more details here: https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/issues/398 -Will be a part of GCC 12, see: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=9bb20299ba1d1cc3bbd83a07a777fcc5a93cfeb0 - -Signed-off-by: Claudiu Zissulescu <claziss@synopsys.com> ---- - gcc/config/arc/arc.md | 8 ++++---- - 1 file changed, 4 insertions(+), 4 deletions(-) - ---- a/gcc/config/arc/arc.md -+++ b/gcc/config/arc/arc.md -@@ -4990,8 +4990,8 @@ - (const_int 1)) - (label_ref (match_operand 1 "" "")) - (pc))) -- (set (match_dup 0) (plus (match_dup 0) (const_int -1))) -- (unspec [(const_int 0)] UNSPEC_ARC_LP) -+ (set (match_dup 0) (plus:SI (match_dup 0) (const_int -1))) -+ (unspec:SI [(const_int 0)] UNSPEC_ARC_LP) - (clobber (match_dup 2))])] - "" - { -@@ -5020,8 +5020,8 @@ - (const_int 1)) - (label_ref (match_operand 1 "" "")) - (pc))) -- (set (match_dup 0) (plus (match_dup 0) (const_int -1))) -- (unspec [(const_int 0)] UNSPEC_ARC_LP) -+ (set (match_dup 0) (plus:SI (match_dup 0) (const_int -1))) -+ (unspec:SI [(const_int 0)] UNSPEC_ARC_LP) - (clobber (match_scratch:SI 2 "=X,&r"))] - "" - "@ diff --git a/packages/gcc/11.4.0/0006-arc-Update-u-maddhisi4-patterns.patch b/packages/gcc/11.4.0/0006-arc-Update-u-maddhisi4-patterns.patch deleted file mode 100644 index 8b0c34f7..00000000 --- a/packages/gcc/11.4.0/0006-arc-Update-u-maddhisi4-patterns.patch +++ /dev/null @@ -1,115 +0,0 @@ -From b3873d67e4e8a1f16efbfa6ad7d73b9809bb2dd2 Mon Sep 17 00:00:00 2001 -From: Claudiu Zissulescu <claziss@synopsys.com> -Date: Thu, 30 Sep 2021 14:08:39 +0300 -Subject: [PATCH] arc: Update (u)maddhisi4 patterns - -The (u)maddsihi4 patterns are using the ARC's VMAC2H(U) -instruction with null destination, however, VMAC2H(U) doesn't -rewrite the accumulator. This patch solves the destination issue -of VMAC2H by using the accumulator, and is using a -define_insn_and_split to generate the extra move from the -accumulator to the destination register. - -gcc/ - - * config/arc/arc.md (maddhisi4): Use a single move to accumulator. - (umaddhisi4): Likewise. - (machi): Convert it to an define_insn_and_split pattern. - (umachi): Likewise. - -See for more details: https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/issues/427 - -Signed-off-by: Claudiu Zissulescu <claziss@synopsys.com> ---- - gcc/config/arc/arc.md | 57 +++++++++++++++++++++++++++++++++++--------------- - 1 file changed, 40 insertions(+), 17 deletions(-) - ---- a/gcc/config/arc/arc.md -+++ b/gcc/config/arc/arc.md -@@ -6051,26 +6051,37 @@ - (define_expand "maddhisi4" - [(match_operand:SI 0 "register_operand" "") - (match_operand:HI 1 "register_operand" "") -- (match_operand:HI 2 "extend_operand" "") -+ (match_operand:HI 2 "register_operand" "") - (match_operand:SI 3 "register_operand" "")] - "TARGET_PLUS_MACD" - "{ - rtx acc_reg = gen_rtx_REG (SImode, ACC_REG_FIRST); - - emit_move_insn (acc_reg, operands[3]); -- emit_insn (gen_machi (operands[1], operands[2])); -- emit_move_insn (operands[0], acc_reg); -+ emit_insn (gen_machi (operands[0], operands[1], operands[2])); - DONE; - }") - --(define_insn "machi" -- [(set (reg:SI ARCV2_ACC) -+(define_insn_and_split "machi" -+ [(set (match_operand:SI 0 "register_operand" "=Ral,r") - (plus:SI -- (mult:SI (sign_extend:SI (match_operand:HI 0 "register_operand" "%r")) -- (sign_extend:SI (match_operand:HI 1 "register_operand" "r"))) -- (reg:SI ARCV2_ACC)))] -+ (mult:SI (sign_extend:SI (match_operand:HI 1 "register_operand" "%r,r")) -+ (sign_extend:SI (match_operand:HI 2 "register_operand" "r,r"))) -+ (reg:SI ARCV2_ACC))) -+ (clobber (reg:DI ARCV2_ACC))] - "TARGET_PLUS_MACD" -- "vmac2h\\t0,%0,%1" -+ "@ -+ vmac2h\\t%0,%1,%2 -+ #" -+ "&& reload_completed && (REGNO (operands[0]) != ACCL_REGNO)" -+ [(parallel -+ [(set (reg:SI ARCV2_ACC) -+ (plus:SI (mult:SI (sign_extend:SI (match_dup 1)) -+ (sign_extend:SI (match_dup 2))) -+ (reg:SI ARCV2_ACC))) -+ (clobber (reg:DI ARCV2_ACC))]) -+ (set (match_dup 0) (reg:SI ARCV2_ACC))] -+ "" - [(set_attr "length" "4") - (set_attr "type" "multi") - (set_attr "predicable" "no") -@@ -6087,19 +6098,31 @@ - rtx acc_reg = gen_rtx_REG (SImode, ACC_REG_FIRST); - - emit_move_insn (acc_reg, operands[3]); -- emit_insn (gen_umachi (operands[1], operands[2])); -- emit_move_insn (operands[0], acc_reg); -+ emit_insn (gen_umachi (operands[0], operands[1], operands[2])); - DONE; - }") - --(define_insn "umachi" -- [(set (reg:SI ARCV2_ACC) -+ -+(define_insn_and_split "umachi" -+ [(set (match_operand:SI 0 "register_operand" "=Ral,r") - (plus:SI -- (mult:SI (zero_extend:SI (match_operand:HI 0 "register_operand" "%r")) -- (zero_extend:SI (match_operand:HI 1 "register_operand" "r"))) -- (reg:SI ARCV2_ACC)))] -+ (mult:SI (zero_extend:SI (match_operand:HI 1 "register_operand" "%r,r")) -+ (zero_extend:SI (match_operand:HI 2 "register_operand" "r,r"))) -+ (reg:SI ARCV2_ACC))) -+ (clobber (reg:DI ARCV2_ACC))] - "TARGET_PLUS_MACD" -- "vmac2hu\\t0,%0,%1" -+ "@ -+ vmac2hu\\t%0,%1,%2 -+ #" -+ "&& reload_completed && (REGNO (operands[0]) != ACCL_REGNO)" -+ [(parallel -+ [(set (reg:SI ARCV2_ACC) -+ (plus:SI (mult:SI (zero_extend:SI (match_dup 1)) -+ (zero_extend:SI (match_dup 2))) -+ (reg:SI ARCV2_ACC))) -+ (clobber (reg:DI ARCV2_ACC))]) -+ (set (match_dup 0) (reg:SI ARCV2_ACC))] -+ "" - [(set_attr "length" "4") - (set_attr "type" "multi") - (set_attr "predicable" "no") diff --git a/packages/gcc/11.4.0/0007-arc-Fix-maddhisi-patterns.patch b/packages/gcc/11.4.0/0007-arc-Fix-maddhisi-patterns.patch deleted file mode 100644 index e4233a36..00000000 --- a/packages/gcc/11.4.0/0007-arc-Fix-maddhisi-patterns.patch +++ /dev/null @@ -1,126 +0,0 @@ -From e73e3c3eaf2c3ea45083dda5dc4b7d29f6a03238 Mon Sep 17 00:00:00 2001 -From: Claudiu Zissulescu <claziss@synopsys.com> -Date: Wed, 6 Oct 2021 09:47:50 +0300 -Subject: [PATCH] arc: Fix maddhisi patterns - -See for more details: https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/issues/429 - ---- - gcc/config/arc/arc.md | 43 +++++++--------------------------- - gcc/testsuite/gcc.target/arc/tmac-4.c | 29 ++++++++++++++++++++++ - 2 files changed, 39 insertions(+), 33 deletions(-) - create mode 100644 gcc/testsuite/gcc.target/arc/tmac-4.c - ---- a/gcc/config/arc/arc.md -+++ b/gcc/config/arc/arc.md -@@ -6055,33 +6055,22 @@ - (match_operand:SI 3 "register_operand" "")] - "TARGET_PLUS_MACD" - "{ -- rtx acc_reg = gen_rtx_REG (SImode, ACC_REG_FIRST); -+ rtx acc_reg = gen_rtx_REG (SImode, ACCL_REGNO); - - emit_move_insn (acc_reg, operands[3]); -- emit_insn (gen_machi (operands[0], operands[1], operands[2])); -+ emit_insn (gen_machi (operands[0], operands[1], operands[2], acc_reg)); - DONE; - }") - --(define_insn_and_split "machi" -+(define_insn "machi" - [(set (match_operand:SI 0 "register_operand" "=Ral,r") - (plus:SI - (mult:SI (sign_extend:SI (match_operand:HI 1 "register_operand" "%r,r")) - (sign_extend:SI (match_operand:HI 2 "register_operand" "r,r"))) -- (reg:SI ARCV2_ACC))) -+ (match_operand:SI 3 "accl_operand" ""))) - (clobber (reg:DI ARCV2_ACC))] - "TARGET_PLUS_MACD" -- "@ -- vmac2h\\t%0,%1,%2 -- #" -- "&& reload_completed && (REGNO (operands[0]) != ACCL_REGNO)" -- [(parallel -- [(set (reg:SI ARCV2_ACC) -- (plus:SI (mult:SI (sign_extend:SI (match_dup 1)) -- (sign_extend:SI (match_dup 2))) -- (reg:SI ARCV2_ACC))) -- (clobber (reg:DI ARCV2_ACC))]) -- (set (match_dup 0) (reg:SI ARCV2_ACC))] -- "" -+ "dmach\\t%0,%1,%2" - [(set_attr "length" "4") - (set_attr "type" "multi") - (set_attr "predicable" "no") -@@ -6095,34 +6084,22 @@ - (match_operand:SI 3 "register_operand" "")] - "TARGET_PLUS_MACD" - "{ -- rtx acc_reg = gen_rtx_REG (SImode, ACC_REG_FIRST); -+ rtx acc_reg = gen_rtx_REG (SImode, ACCL_REGNO); - - emit_move_insn (acc_reg, operands[3]); -- emit_insn (gen_umachi (operands[0], operands[1], operands[2])); -+ emit_insn (gen_umachi (operands[0], operands[1], operands[2], acc_reg)); - DONE; - }") - -- --(define_insn_and_split "umachi" -+(define_insn "umachi" - [(set (match_operand:SI 0 "register_operand" "=Ral,r") - (plus:SI - (mult:SI (zero_extend:SI (match_operand:HI 1 "register_operand" "%r,r")) - (zero_extend:SI (match_operand:HI 2 "register_operand" "r,r"))) -- (reg:SI ARCV2_ACC))) -+ (match_operand:SI 3 "accl_operand" ""))) - (clobber (reg:DI ARCV2_ACC))] - "TARGET_PLUS_MACD" -- "@ -- vmac2hu\\t%0,%1,%2 -- #" -- "&& reload_completed && (REGNO (operands[0]) != ACCL_REGNO)" -- [(parallel -- [(set (reg:SI ARCV2_ACC) -- (plus:SI (mult:SI (zero_extend:SI (match_dup 1)) -- (zero_extend:SI (match_dup 2))) -- (reg:SI ARCV2_ACC))) -- (clobber (reg:DI ARCV2_ACC))]) -- (set (match_dup 0) (reg:SI ARCV2_ACC))] -- "" -+ "dmachu\\t%0,%1,%2" - [(set_attr "length" "4") - (set_attr "type" "multi") - (set_attr "predicable" "no") ---- /dev/null -+++ b/gcc/testsuite/gcc.target/arc/tmac-4.c -@@ -0,0 +1,29 @@ -+/* { dg-do compile } */ -+/* { dg-skip-if "" { ! { clmcpu } } } */ -+/* { dg-options "-O3 -mbig-endian -mcpu=hs38" } */ -+ -+struct a {}; -+struct b { -+ int c; -+ int d; -+}; -+ -+struct { -+ struct a e; -+ struct b f[]; -+} g; -+short h; -+ -+extern void bar (int *); -+ -+int foo(void) -+{ -+ struct b *a; -+ for (;;) -+ { -+ a = &g.f[h]; -+ bar(&a->d); -+ } -+} -+ -+/* { dg-final { scan-assembler "dmach" } } */ diff --git a/packages/gcc/11.4.0/0008-Darwin-aarch64-Initial-support-for-the-self-host-dri.patch b/packages/gcc/11.4.0/0008-Darwin-aarch64-Initial-support-for-the-self-host-dri.patch deleted file mode 100644 index ab73edba..00000000 --- a/packages/gcc/11.4.0/0008-Darwin-aarch64-Initial-support-for-the-self-host-dri.patch +++ /dev/null @@ -1,88 +0,0 @@ -From 834c8749ced550af3f17ebae4072fb7dfb90d271 Mon Sep 17 00:00:00 2001 -From: Iain Sandoe <iain@sandoe.co.uk> -Date: Tue, 18 Aug 2020 22:29:51 +0100 -Subject: [PATCH] Darwin, aarch64 : Initial support for the self-host driver. - -At present, there is no special action needed for aarch64-darwin -this just pulls in generic Darwin code. - -Signed-off-by: Iain Sandoe <iain@sandoe.co.uk> - -gcc/ChangeLog: - - * config.host: Add support for aarch64-*-darwin. - * config/aarch64/host-aarch64-darwin.c: New file. - * config/aarch64/x-darwin: New file. ---- - gcc/config.host | 7 +++++- - gcc/config/aarch64/host-aarch64-darwin.c | 33 +++++++++++++++++++++++++++++++ - gcc/config/aarch64/x-darwin | 3 ++ - 3 files changed, 42 insertions(+), 1 deletion(-) - create mode 100644 gcc/config/aarch64/host-aarch64-darwin.c - create mode 100644 gcc/config/aarch64/x-darwin - ---- a/gcc/config.host -+++ b/gcc/config.host -@@ -99,7 +99,8 @@ - esac - - case ${host} in -- aarch64*-*-freebsd* | aarch64*-*-linux* | aarch64*-*-fuchsia*) -+ aarch64*-*-freebsd* | aarch64*-*-linux* | aarch64*-*-fuchsia* |\ -+ aarch64*-*-darwin*) - case ${target} in - aarch64*-*-*) - host_extra_gcc_objs="driver-aarch64.o" -@@ -251,6 +252,10 @@ - host_extra_gcc_objs="${host_extra_gcc_objs} driver-mingw32.o" - host_lto_plugin_soname=liblto_plugin.dll - ;; -+ aarch64*-*-darwin*) -+ out_host_hook_obj="${out_host_hook_obj} host-aarch64-darwin.o" -+ host_xmake_file="${host_xmake_file} aarch64/x-darwin" -+ ;; - i[34567]86-*-darwin* | x86_64-*-darwin*) - out_host_hook_obj="${out_host_hook_obj} host-i386-darwin.o" - host_xmake_file="${host_xmake_file} i386/x-darwin" ---- /dev/null -+++ b/gcc/config/aarch64/host-aarch64-darwin.c -@@ -0,0 +1,33 @@ -+/* aarch64/arm64-darwin host-specific hook definitions. -+ -+Copyright The GNU Toolchain Authors. -+ -+This file is part of GCC. -+ -+GCC is free software; you can redistribute it and/or modify it under -+the terms of the GNU General Public License as published by the Free -+Software Foundation; either version 3, or (at your option) any later -+version. -+ -+GCC is distributed in the hope that it will be useful, but WITHOUT ANY -+WARRANTY; without even the implied warranty of MERCHANTABILITY or -+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -+for more details. -+ -+You should have received a copy of the GNU General Public License -+along with GCC; see the file COPYING3. If not see -+<http://www.gnu.org/licenses/>. */ -+ -+#define IN_TARGET_CODE 1 -+ -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "hosthooks.h" -+#include "hosthooks-def.h" -+#include "config/host-darwin.h" -+ -+/* Darwin doesn't do anything special for arm64/aarch64 hosts; this file -+ exists just to include the generic config/host-darwin.h. */ -+ -+const struct host_hooks host_hooks = HOST_HOOKS_INITIALIZER; ---- /dev/null -+++ b/gcc/config/aarch64/x-darwin -@@ -0,0 +1,3 @@ -+host-aarch64-darwin.o : $(srcdir)/config/aarch64/host-aarch64-darwin.c -+ $(COMPILE) $< -+ $(POSTCOMPILE) diff --git a/packages/gcc/11.4.0/0009-libstdc-Check-for-TLS-support-on-mingw-cross-compile.patch b/packages/gcc/11.4.0/0009-libstdc-Check-for-TLS-support-on-mingw-cross-compile.patch deleted file mode 100644 index abd82ffe..00000000 --- a/packages/gcc/11.4.0/0009-libstdc-Check-for-TLS-support-on-mingw-cross-compile.patch +++ /dev/null @@ -1,244 +0,0 @@ -From cc1e28878a228b6c4a0872e56d97ac88971b7725 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Hugo=20Beauz=C3=A9e-Luyssen?= <hugo@beauzee.fr> -Date: Tue, 14 Sep 2021 16:41:37 +0100 -Subject: [PATCH] libstdc++: Check for TLS support on mingw cross-compilers - -Native mingw builds enable TLS, but crosses don't because we don't use -GCC_CHECK_TLS in the cross-compiler config. - -libstdc++-v3/ChangeLog: - - * crossconfig.m4: Check for TLS support on mingw. - * configure: Regenerate. ---- - libstdc++-v3/configure | 208 ++++++++++++++++++++++++++++++++++++++++++++ - libstdc++-v3/crossconfig.m4 | 1 - 2 files changed, 209 insertions(+) - ---- a/libstdc++-v3/configure -+++ b/libstdc++-v3/configure -@@ -60390,6 +60390,214 @@ - fi - done - -+ -+ -+ # Check whether --enable-tls was given. -+if test "${enable_tls+set}" = set; then : -+ enableval=$enable_tls; -+ case "$enableval" in -+ yes|no) ;; -+ *) as_fn_error $? "Argument to enable/disable tls must be yes or no" "$LINENO" 5 ;; -+ esac -+ -+else -+ enable_tls=yes -+fi -+ -+ -+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the target supports thread-local storage" >&5 -+$as_echo_n "checking whether the target supports thread-local storage... " >&6; } -+if ${gcc_cv_have_tls+:} false; then : -+ $as_echo_n "(cached) " >&6 -+else -+ -+ if test "$cross_compiling" = yes; then : -+ if test x$gcc_no_link = xyes; then -+ as_fn_error $? "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 -+fi -+cat confdefs.h - <<_ACEOF >conftest.$ac_ext -+/* end confdefs.h. */ -+__thread int a; int b; int main() { return a = b; } -+_ACEOF -+if ac_fn_c_try_link "$LINENO"; then : -+ chktls_save_LDFLAGS="$LDFLAGS" -+ case $host in -+ *-*-linux* | -*-uclinuxfdpic*) -+ LDFLAGS="-shared -Wl,--no-undefined $LDFLAGS" -+ ;; -+ esac -+ chktls_save_CFLAGS="$CFLAGS" -+ CFLAGS="-fPIC $CFLAGS" -+ if test x$gcc_no_link = xyes; then -+ as_fn_error $? "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 -+fi -+cat confdefs.h - <<_ACEOF >conftest.$ac_ext -+/* end confdefs.h. */ -+int f() { return 0; } -+_ACEOF -+if ac_fn_c_try_link "$LINENO"; then : -+ if test x$gcc_no_link = xyes; then -+ as_fn_error $? "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 -+fi -+cat confdefs.h - <<_ACEOF >conftest.$ac_ext -+/* end confdefs.h. */ -+__thread int a; int b; int f() { return a = b; } -+_ACEOF -+if ac_fn_c_try_link "$LINENO"; then : -+ gcc_cv_have_tls=yes -+else -+ gcc_cv_have_tls=no -+fi -+rm -f core conftest.err conftest.$ac_objext \ -+ conftest$ac_exeext conftest.$ac_ext -+else -+ gcc_cv_have_tls=yes -+fi -+rm -f core conftest.err conftest.$ac_objext \ -+ conftest$ac_exeext conftest.$ac_ext -+ CFLAGS="$chktls_save_CFLAGS" -+ LDFLAGS="$chktls_save_LDFLAGS" -+else -+ gcc_cv_have_tls=no -+fi -+rm -f core conftest.err conftest.$ac_objext \ -+ conftest$ac_exeext conftest.$ac_ext -+ -+ -+else -+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext -+/* end confdefs.h. */ -+__thread int a; int b; int main() { return a = b; } -+_ACEOF -+if ac_fn_c_try_run "$LINENO"; then : -+ chktls_save_LDFLAGS="$LDFLAGS" -+ LDFLAGS="-static $LDFLAGS" -+ if test x$gcc_no_link = xyes; then -+ as_fn_error $? "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 -+fi -+cat confdefs.h - <<_ACEOF >conftest.$ac_ext -+/* end confdefs.h. */ -+int main() { return 0; } -+_ACEOF -+if ac_fn_c_try_link "$LINENO"; then : -+ if test "$cross_compiling" = yes; then : -+ { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 -+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} -+as_fn_error $? "cannot run test program while cross compiling -+See \`config.log' for more details" "$LINENO" 5; } -+else -+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext -+/* end confdefs.h. */ -+__thread int a; int b; int main() { return a = b; } -+_ACEOF -+if ac_fn_c_try_run "$LINENO"; then : -+ gcc_cv_have_tls=yes -+else -+ gcc_cv_have_tls=no -+fi -+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ -+ conftest.$ac_objext conftest.beam conftest.$ac_ext -+fi -+ -+else -+ gcc_cv_have_tls=yes -+fi -+rm -f core conftest.err conftest.$ac_objext \ -+ conftest$ac_exeext conftest.$ac_ext -+ LDFLAGS="$chktls_save_LDFLAGS" -+ if test $gcc_cv_have_tls = yes; then -+ chktls_save_CFLAGS="$CFLAGS" -+ thread_CFLAGS=failed -+ for flag in '' '-pthread' '-lpthread'; do -+ CFLAGS="$flag $chktls_save_CFLAGS" -+ if test x$gcc_no_link = xyes; then -+ as_fn_error $? "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5 -+fi -+cat confdefs.h - <<_ACEOF >conftest.$ac_ext -+/* end confdefs.h. */ -+#include <pthread.h> -+ void *g(void *d) { return NULL; } -+int -+main () -+{ -+pthread_t t; pthread_create(&t,NULL,g,NULL); -+ ; -+ return 0; -+} -+_ACEOF -+if ac_fn_c_try_link "$LINENO"; then : -+ thread_CFLAGS="$flag" -+fi -+rm -f core conftest.err conftest.$ac_objext \ -+ conftest$ac_exeext conftest.$ac_ext -+ if test "X$thread_CFLAGS" != Xfailed; then -+ break -+ fi -+ done -+ CFLAGS="$chktls_save_CFLAGS" -+ if test "X$thread_CFLAGS" != Xfailed; then -+ CFLAGS="$thread_CFLAGS $chktls_save_CFLAGS" -+ if test "$cross_compiling" = yes; then : -+ { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 -+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} -+as_fn_error $? "cannot run test program while cross compiling -+See \`config.log' for more details" "$LINENO" 5; } -+else -+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext -+/* end confdefs.h. */ -+#include <pthread.h> -+ __thread int a; -+ static int *volatile a_in_other_thread; -+ static void * -+ thread_func (void *arg) -+ { -+ a_in_other_thread = &a; -+ return (void *)0; -+ } -+int -+main () -+{ -+pthread_t thread; -+ void *thread_retval; -+ int *volatile a_in_main_thread; -+ a_in_main_thread = &a; -+ if (pthread_create (&thread, (pthread_attr_t *)0, -+ thread_func, (void *)0)) -+ return 0; -+ if (pthread_join (thread, &thread_retval)) -+ return 0; -+ return (a_in_other_thread == a_in_main_thread); -+ ; -+ return 0; -+} -+_ACEOF -+if ac_fn_c_try_run "$LINENO"; then : -+ gcc_cv_have_tls=yes -+else -+ gcc_cv_have_tls=no -+fi -+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ -+ conftest.$ac_objext conftest.beam conftest.$ac_ext -+fi -+ -+ CFLAGS="$chktls_save_CFLAGS" -+ fi -+ fi -+else -+ gcc_cv_have_tls=no -+fi -+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ -+ conftest.$ac_objext conftest.beam conftest.$ac_ext -+fi -+ -+fi -+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_have_tls" >&5 -+$as_echo "$gcc_cv_have_tls" >&6; } -+ if test "$enable_tls $gcc_cv_have_tls" = "yes yes"; then -+ -+$as_echo "#define HAVE_TLS 1" >>confdefs.h -+ -+ fi - ;; - *-netbsd* | *-openbsd*) - SECTION_FLAGS='-ffunction-sections -fdata-sections' ---- a/libstdc++-v3/crossconfig.m4 -+++ b/libstdc++-v3/crossconfig.m4 -@@ -204,6 +204,7 @@ - GLIBCXX_CHECK_STDLIB_SUPPORT - AC_CHECK_FUNCS(aligned_alloc posix_memalign memalign _aligned_malloc) - AC_CHECK_FUNCS(_wfopen) -+ GCC_CHECK_TLS - ;; - *-netbsd* | *-openbsd*) - SECTION_FLAGS='-ffunction-sections -fdata-sections' diff --git a/packages/gcc/11.4.0/0010-fixinc-don-t-fix-machine-names-in-__has_include-.PR.patch b/packages/gcc/11.4.0/0010-fixinc-don-t-fix-machine-names-in-__has_include-.PR.patch deleted file mode 100644 index 69afa335..00000000 --- a/packages/gcc/11.4.0/0010-fixinc-don-t-fix-machine-names-in-__has_include-.PR.patch +++ /dev/null @@ -1,115 +0,0 @@ -From de3f4ee9a5bd2adcb5ff2e1690db2567fda1473c Mon Sep 17 00:00:00 2001 -From: Xi Ruoyao <xry111@mengyan1223.wang> -Date: Mon, 28 Jun 2021 13:54:58 +0800 -Subject: [PATCH] fixinc: don't "fix" machine names in __has_include(...) - [PR91085] - -fixincludes/ - - PR other/91085 - * fixfixes.c (check_has_inc): New static function. - (machine_name_fix): Don't replace header names in - __has_include(...). - * inclhack.def (machine_name): Adjust test. - * tests/base/testing.h: Update. - -Upstream: 6bf383c37e6131a8e247e8a0997d55d65c830b6d -Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> ---- - fixincludes/fixfixes.c | 45 +++++++++++++++++++++++++++++++++++++-- - fixincludes/inclhack.def | 3 +- - fixincludes/tests/base/testing.h | 2 - - 3 files changed, 46 insertions(+), 4 deletions(-) - ---- a/fixincludes/fixfixes.c -+++ b/fixincludes/fixfixes.c -@@ -477,6 +477,39 @@ - fputs (text, stdout); - } - -+/* Check if the pattern at pos is actually in a "__has_include(...)" -+ directive. Return the pointer to the ')' of this -+ "__has_include(...)" if it is, NULL otherwise. */ -+static const char * -+check_has_inc (const char *begin, const char *pos, const char *end) -+{ -+ static const char has_inc[] = "__has_include"; -+ const size_t has_inc_len = sizeof (has_inc) - 1; -+ const char *p; -+ -+ for (p = memmem (begin, pos - begin, has_inc, has_inc_len); -+ p != NULL; -+ p = memmem (p, pos - p, has_inc, has_inc_len)) -+ { -+ p += has_inc_len; -+ while (p < end && ISSPACE (*p)) -+ p++; -+ -+ /* "__has_include" may appear as "defined(__has_include)", -+ search for the next appearance then. */ -+ if (*p != '(') -+ continue; -+ -+ /* To avoid too much complexity, just hope there is never a -+ ')' in a header name. */ -+ p = memchr (p, ')', end - p); -+ if (p == NULL || p > pos) -+ return p; -+ } -+ -+ return NULL; -+} -+ - /* Fix for machine name #ifdefs that are not in the namespace reserved - by the C standard. They won't be defined if compiling with -ansi, - and the headers will break. We go to some trouble to only change -@@ -524,7 +557,7 @@ - /* If the 'name_pat' matches in between base and limit, we have - a bogon. It is not worth the hassle of excluding comments - because comments on #if/#ifdef lines are rare, and strings on -- such lines are illegal. -+ such lines are only legal in a "__has_include" directive. - - REG_NOTBOL means 'base' is not at the beginning of a line, which - shouldn't matter since the name_re has no ^ anchor, but let's -@@ -544,8 +577,16 @@ - break; - - p = base + match[0].rm_so; -- base += match[0].rm_eo; - -+ /* Check if the match is in __has_include(...) (PR 91085). */ -+ q = check_has_inc (base, p, limit); -+ if (q) -+ { -+ base = q + 1; -+ goto again; -+ } -+ -+ base += match[0].rm_eo; - /* One more test: if on the same line we have the same string - with the appropriate underscores, then leave it alone. - We want exactly two leading and trailing underscores. */ ---- a/fixincludes/inclhack.def -+++ b/fixincludes/inclhack.def -@@ -3201,7 +3201,8 @@ - c_fix = machine_name; - - test_text = "/* MACH_DIFF: */\n" -- "#if defined( i386 ) || defined( sparc ) || defined( vax )" -+ "#if defined( i386 ) || defined( sparc ) || defined( vax ) || " -+ "defined( linux ) || __has_include ( <linux.h> )" - "\n/* no uniform test, so be careful :-) */"; - }; - ---- a/fixincludes/tests/base/testing.h -+++ b/fixincludes/tests/base/testing.h -@@ -64,7 +64,7 @@ - - #if defined( MACHINE_NAME_CHECK ) - /* MACH_DIFF: */ --#if defined( i386 ) || defined( sparc ) || defined( vax ) -+#if defined( i386 ) || defined( sparc ) || defined( vax ) || defined( linux ) || __has_include ( <linux.h> ) - /* no uniform test, so be careful :-) */ - #endif /* MACHINE_NAME_CHECK */ - diff --git a/packages/gcc/11.4.0/0011-aarch64-Use-local-frame-vars-in-shrink-wrapping-code.patch b/packages/gcc/11.4.0/0011-aarch64-Use-local-frame-vars-in-shrink-wrapping-code.patch deleted file mode 100644 index 759214b0..00000000 --- a/packages/gcc/11.4.0/0011-aarch64-Use-local-frame-vars-in-shrink-wrapping-code.patch +++ /dev/null @@ -1,349 +0,0 @@ -From 52816ab48f97968f3fbfb5656250f3de7c00166d Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:43 +0100 -Subject: [PATCH 11/29] aarch64: Use local frame vars in shrink-wrapping code - -aarch64_layout_frame uses a shorthand for referring to -cfun->machine->frame: - - aarch64_frame &frame = cfun->machine->frame; - -This patch does the same for some other heavy users of the structure. -No functional change intended. - -gcc/ - * config/aarch64/aarch64.c (aarch64_save_callee_saves): Use - a local shorthand for cfun->machine->frame. - (aarch64_restore_callee_saves, aarch64_get_separate_components): - (aarch64_process_components): Likewise. - (aarch64_allocate_and_probe_stack_space): Likewise. - (aarch64_expand_prologue, aarch64_expand_epilogue): Likewise. - (aarch64_layout_frame): Use existing shorthand for one more case. ---- - gcc/config/aarch64/aarch64.c | 115 ++++++++++++++++++----------------- - 1 file changed, 60 insertions(+), 55 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index 391a93f30184..77c1d1300a5c 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -7994,6 +7994,7 @@ aarch64_save_callee_saves (poly_int64 start_offset, - unsigned start, unsigned limit, bool skip_wb, - bool hard_fp_valid_p) - { -+ aarch64_frame &frame = cfun->machine->frame; - rtx_insn *insn; - unsigned regno; - unsigned regno2; -@@ -8008,8 +8009,8 @@ aarch64_save_callee_saves (poly_int64 start_offset, - bool frame_related_p = aarch64_emit_cfi_for_reg_p (regno); - - if (skip_wb -- && (regno == cfun->machine->frame.wb_candidate1 -- || regno == cfun->machine->frame.wb_candidate2)) -+ && (regno == frame.wb_candidate1 -+ || regno == frame.wb_candidate2)) - continue; - - if (cfun->machine->reg_is_wrapped_separately[regno]) -@@ -8017,7 +8018,7 @@ aarch64_save_callee_saves (poly_int64 start_offset, - - machine_mode mode = aarch64_reg_save_mode (regno); - reg = gen_rtx_REG (mode, regno); -- offset = start_offset + cfun->machine->frame.reg_offset[regno]; -+ offset = start_offset + frame.reg_offset[regno]; - rtx base_rtx = stack_pointer_rtx; - poly_int64 sp_offset = offset; - -@@ -8030,7 +8031,7 @@ aarch64_save_callee_saves (poly_int64 start_offset, - { - gcc_assert (known_eq (start_offset, 0)); - poly_int64 fp_offset -- = cfun->machine->frame.below_hard_fp_saved_regs_size; -+ = frame.below_hard_fp_saved_regs_size; - if (hard_fp_valid_p) - base_rtx = hard_frame_pointer_rtx; - else -@@ -8052,8 +8053,7 @@ aarch64_save_callee_saves (poly_int64 start_offset, - && (regno2 = aarch64_next_callee_save (regno + 1, limit)) <= limit - && !cfun->machine->reg_is_wrapped_separately[regno2] - && known_eq (GET_MODE_SIZE (mode), -- cfun->machine->frame.reg_offset[regno2] -- - cfun->machine->frame.reg_offset[regno])) -+ frame.reg_offset[regno2] - frame.reg_offset[regno])) - { - rtx reg2 = gen_rtx_REG (mode, regno2); - rtx mem2; -@@ -8103,6 +8103,7 @@ static void - aarch64_restore_callee_saves (poly_int64 start_offset, unsigned start, - unsigned limit, bool skip_wb, rtx *cfi_ops) - { -+ aarch64_frame &frame = cfun->machine->frame; - unsigned regno; - unsigned regno2; - poly_int64 offset; -@@ -8119,13 +8120,13 @@ aarch64_restore_callee_saves (poly_int64 start_offset, unsigned start, - rtx reg, mem; - - if (skip_wb -- && (regno == cfun->machine->frame.wb_candidate1 -- || regno == cfun->machine->frame.wb_candidate2)) -+ && (regno == frame.wb_candidate1 -+ || regno == frame.wb_candidate2)) - continue; - - machine_mode mode = aarch64_reg_save_mode (regno); - reg = gen_rtx_REG (mode, regno); -- offset = start_offset + cfun->machine->frame.reg_offset[regno]; -+ offset = start_offset + frame.reg_offset[regno]; - rtx base_rtx = stack_pointer_rtx; - if (mode == VNx2DImode && BYTES_BIG_ENDIAN) - aarch64_adjust_sve_callee_save_base (mode, base_rtx, anchor_reg, -@@ -8136,8 +8137,7 @@ aarch64_restore_callee_saves (poly_int64 start_offset, unsigned start, - && (regno2 = aarch64_next_callee_save (regno + 1, limit)) <= limit - && !cfun->machine->reg_is_wrapped_separately[regno2] - && known_eq (GET_MODE_SIZE (mode), -- cfun->machine->frame.reg_offset[regno2] -- - cfun->machine->frame.reg_offset[regno])) -+ frame.reg_offset[regno2] - frame.reg_offset[regno])) - { - rtx reg2 = gen_rtx_REG (mode, regno2); - rtx mem2; -@@ -8242,6 +8242,7 @@ offset_12bit_unsigned_scaled_p (machine_mode mode, poly_int64 offset) - static sbitmap - aarch64_get_separate_components (void) - { -+ aarch64_frame &frame = cfun->machine->frame; - sbitmap components = sbitmap_alloc (LAST_SAVED_REGNUM + 1); - bitmap_clear (components); - -@@ -8258,18 +8259,18 @@ aarch64_get_separate_components (void) - if (mode == VNx2DImode && BYTES_BIG_ENDIAN) - continue; - -- poly_int64 offset = cfun->machine->frame.reg_offset[regno]; -+ poly_int64 offset = frame.reg_offset[regno]; - - /* If the register is saved in the first SVE save slot, we use - it as a stack probe for -fstack-clash-protection. */ - if (flag_stack_clash_protection -- && maybe_ne (cfun->machine->frame.below_hard_fp_saved_regs_size, 0) -+ && maybe_ne (frame.below_hard_fp_saved_regs_size, 0) - && known_eq (offset, 0)) - continue; - - /* Get the offset relative to the register we'll use. */ - if (frame_pointer_needed) -- offset -= cfun->machine->frame.below_hard_fp_saved_regs_size; -+ offset -= frame.below_hard_fp_saved_regs_size; - else - offset += crtl->outgoing_args_size; - -@@ -8288,11 +8289,11 @@ aarch64_get_separate_components (void) - /* If the spare predicate register used by big-endian SVE code - is call-preserved, it must be saved in the main prologue - before any saves that use it. */ -- if (cfun->machine->frame.spare_pred_reg != INVALID_REGNUM) -- bitmap_clear_bit (components, cfun->machine->frame.spare_pred_reg); -+ if (frame.spare_pred_reg != INVALID_REGNUM) -+ bitmap_clear_bit (components, frame.spare_pred_reg); - -- unsigned reg1 = cfun->machine->frame.wb_candidate1; -- unsigned reg2 = cfun->machine->frame.wb_candidate2; -+ unsigned reg1 = frame.wb_candidate1; -+ unsigned reg2 = frame.wb_candidate2; - /* If registers have been chosen to be stored/restored with - writeback don't interfere with them to avoid having to output explicit - stack adjustment instructions. */ -@@ -8401,6 +8402,7 @@ aarch64_get_next_set_bit (sbitmap bmp, unsigned int start) - static void - aarch64_process_components (sbitmap components, bool prologue_p) - { -+ aarch64_frame &frame = cfun->machine->frame; - rtx ptr_reg = gen_rtx_REG (Pmode, frame_pointer_needed - ? HARD_FRAME_POINTER_REGNUM - : STACK_POINTER_REGNUM); -@@ -8415,9 +8417,9 @@ aarch64_process_components (sbitmap components, bool prologue_p) - machine_mode mode = aarch64_reg_save_mode (regno); - - rtx reg = gen_rtx_REG (mode, regno); -- poly_int64 offset = cfun->machine->frame.reg_offset[regno]; -+ poly_int64 offset = frame.reg_offset[regno]; - if (frame_pointer_needed) -- offset -= cfun->machine->frame.below_hard_fp_saved_regs_size; -+ offset -= frame.below_hard_fp_saved_regs_size; - else - offset += crtl->outgoing_args_size; - -@@ -8442,14 +8444,14 @@ aarch64_process_components (sbitmap components, bool prologue_p) - break; - } - -- poly_int64 offset2 = cfun->machine->frame.reg_offset[regno2]; -+ poly_int64 offset2 = frame.reg_offset[regno2]; - /* The next register is not of the same class or its offset is not - mergeable with the current one into a pair. */ - if (aarch64_sve_mode_p (mode) - || !satisfies_constraint_Ump (mem) - || GP_REGNUM_P (regno) != GP_REGNUM_P (regno2) - || (crtl->abi->id () == ARM_PCS_SIMD && FP_REGNUM_P (regno)) -- || maybe_ne ((offset2 - cfun->machine->frame.reg_offset[regno]), -+ || maybe_ne ((offset2 - frame.reg_offset[regno]), - GET_MODE_SIZE (mode))) - { - insn = emit_insn (set); -@@ -8471,7 +8473,7 @@ aarch64_process_components (sbitmap components, bool prologue_p) - /* REGNO2 can be saved/restored in a pair with REGNO. */ - rtx reg2 = gen_rtx_REG (mode, regno2); - if (frame_pointer_needed) -- offset2 -= cfun->machine->frame.below_hard_fp_saved_regs_size; -+ offset2 -= frame.below_hard_fp_saved_regs_size; - else - offset2 += crtl->outgoing_args_size; - rtx addr2 = plus_constant (Pmode, ptr_reg, offset2); -@@ -8566,6 +8568,7 @@ aarch64_allocate_and_probe_stack_space (rtx temp1, rtx temp2, - bool frame_related_p, - bool final_adjustment_p) - { -+ aarch64_frame &frame = cfun->machine->frame; - HOST_WIDE_INT guard_size - = 1 << param_stack_clash_protection_guard_size; - HOST_WIDE_INT guard_used_by_caller = STACK_CLASH_CALLER_GUARD; -@@ -8586,25 +8589,25 @@ aarch64_allocate_and_probe_stack_space (rtx temp1, rtx temp2, - register as a probe. We can't assume that LR was saved at position 0 - though, so treat any space below it as unprobed. */ - if (final_adjustment_p -- && known_eq (cfun->machine->frame.below_hard_fp_saved_regs_size, 0)) -+ && known_eq (frame.below_hard_fp_saved_regs_size, 0)) - { -- poly_int64 lr_offset = cfun->machine->frame.reg_offset[LR_REGNUM]; -+ poly_int64 lr_offset = frame.reg_offset[LR_REGNUM]; - if (known_ge (lr_offset, 0)) - min_probe_threshold -= lr_offset.to_constant (); - else - gcc_assert (!flag_stack_clash_protection || known_eq (poly_size, 0)); - } - -- poly_int64 frame_size = cfun->machine->frame.frame_size; -+ poly_int64 frame_size = frame.frame_size; - - /* We should always have a positive probe threshold. */ - gcc_assert (min_probe_threshold > 0); - - if (flag_stack_clash_protection && !final_adjustment_p) - { -- poly_int64 initial_adjust = cfun->machine->frame.initial_adjust; -- poly_int64 sve_callee_adjust = cfun->machine->frame.sve_callee_adjust; -- poly_int64 final_adjust = cfun->machine->frame.final_adjust; -+ poly_int64 initial_adjust = frame.initial_adjust; -+ poly_int64 sve_callee_adjust = frame.sve_callee_adjust; -+ poly_int64 final_adjust = frame.final_adjust; - - if (known_eq (frame_size, 0)) - { -@@ -8893,17 +8896,18 @@ aarch64_epilogue_uses (int regno) - void - aarch64_expand_prologue (void) - { -- poly_int64 frame_size = cfun->machine->frame.frame_size; -- poly_int64 initial_adjust = cfun->machine->frame.initial_adjust; -- HOST_WIDE_INT callee_adjust = cfun->machine->frame.callee_adjust; -- poly_int64 final_adjust = cfun->machine->frame.final_adjust; -- poly_int64 callee_offset = cfun->machine->frame.callee_offset; -- poly_int64 sve_callee_adjust = cfun->machine->frame.sve_callee_adjust; -+ aarch64_frame &frame = cfun->machine->frame; -+ poly_int64 frame_size = frame.frame_size; -+ poly_int64 initial_adjust = frame.initial_adjust; -+ HOST_WIDE_INT callee_adjust = frame.callee_adjust; -+ poly_int64 final_adjust = frame.final_adjust; -+ poly_int64 callee_offset = frame.callee_offset; -+ poly_int64 sve_callee_adjust = frame.sve_callee_adjust; - poly_int64 below_hard_fp_saved_regs_size -- = cfun->machine->frame.below_hard_fp_saved_regs_size; -- unsigned reg1 = cfun->machine->frame.wb_candidate1; -- unsigned reg2 = cfun->machine->frame.wb_candidate2; -- bool emit_frame_chain = cfun->machine->frame.emit_frame_chain; -+ = frame.below_hard_fp_saved_regs_size; -+ unsigned reg1 = frame.wb_candidate1; -+ unsigned reg2 = frame.wb_candidate2; -+ bool emit_frame_chain = frame.emit_frame_chain; - rtx_insn *insn; - - if (flag_stack_clash_protection && known_eq (callee_adjust, 0)) -@@ -8969,7 +8973,7 @@ aarch64_expand_prologue (void) - - /* The offset of the frame chain record (if any) from the current SP. */ - poly_int64 chain_offset = (initial_adjust + callee_adjust -- - cfun->machine->frame.hard_fp_offset); -+ - frame.hard_fp_offset); - gcc_assert (known_ge (chain_offset, 0)); - - /* The offset of the bottom of the save area from the current SP. */ -@@ -9072,15 +9076,16 @@ aarch64_use_return_insn_p (void) - void - aarch64_expand_epilogue (bool for_sibcall) - { -- poly_int64 initial_adjust = cfun->machine->frame.initial_adjust; -- HOST_WIDE_INT callee_adjust = cfun->machine->frame.callee_adjust; -- poly_int64 final_adjust = cfun->machine->frame.final_adjust; -- poly_int64 callee_offset = cfun->machine->frame.callee_offset; -- poly_int64 sve_callee_adjust = cfun->machine->frame.sve_callee_adjust; -+ aarch64_frame &frame = cfun->machine->frame; -+ poly_int64 initial_adjust = frame.initial_adjust; -+ HOST_WIDE_INT callee_adjust = frame.callee_adjust; -+ poly_int64 final_adjust = frame.final_adjust; -+ poly_int64 callee_offset = frame.callee_offset; -+ poly_int64 sve_callee_adjust = frame.sve_callee_adjust; - poly_int64 below_hard_fp_saved_regs_size -- = cfun->machine->frame.below_hard_fp_saved_regs_size; -- unsigned reg1 = cfun->machine->frame.wb_candidate1; -- unsigned reg2 = cfun->machine->frame.wb_candidate2; -+ = frame.below_hard_fp_saved_regs_size; -+ unsigned reg1 = frame.wb_candidate1; -+ unsigned reg2 = frame.wb_candidate2; - rtx cfi_ops = NULL; - rtx_insn *insn; - /* A stack clash protection prologue may not have left EP0_REGNUM or -@@ -9113,7 +9118,7 @@ aarch64_expand_epilogue (bool for_sibcall) - /* We need to add memory barrier to prevent read from deallocated stack. */ - bool need_barrier_p - = maybe_ne (get_frame_size () -- + cfun->machine->frame.saved_varargs_size, 0); -+ + frame.saved_varargs_size, 0); - - /* Emit a barrier to prevent loads from a deallocated stack. */ - if (maybe_gt (final_adjust, crtl->outgoing_args_size) -@@ -11744,24 +11749,24 @@ aarch64_can_eliminate (const int from ATTRIBUTE_UNUSED, const int to) - poly_int64 - aarch64_initial_elimination_offset (unsigned from, unsigned to) - { -+ aarch64_frame &frame = cfun->machine->frame; -+ - if (to == HARD_FRAME_POINTER_REGNUM) - { - if (from == ARG_POINTER_REGNUM) -- return cfun->machine->frame.hard_fp_offset; -+ return frame.hard_fp_offset; - - if (from == FRAME_POINTER_REGNUM) -- return cfun->machine->frame.hard_fp_offset -- - cfun->machine->frame.locals_offset; -+ return frame.hard_fp_offset - frame.locals_offset; - } - - if (to == STACK_POINTER_REGNUM) - { - if (from == FRAME_POINTER_REGNUM) -- return cfun->machine->frame.frame_size -- - cfun->machine->frame.locals_offset; -+ return frame.frame_size - frame.locals_offset; - } - -- return cfun->machine->frame.frame_size; -+ return frame.frame_size; - } - - --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0012-aarch64-Avoid-a-use-of-callee_offset.patch b/packages/gcc/11.4.0/0012-aarch64-Avoid-a-use-of-callee_offset.patch deleted file mode 100644 index 75bb2718..00000000 --- a/packages/gcc/11.4.0/0012-aarch64-Avoid-a-use-of-callee_offset.patch +++ /dev/null @@ -1,73 +0,0 @@ -From a2a57f7ec7912e77eb26919545807d90065584ff Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:44 +0100 -Subject: [PATCH 12/29] aarch64: Avoid a use of callee_offset - -When we emit the frame chain, i.e. when we reach Here in this statement -of aarch64_expand_prologue: - - if (emit_frame_chain) - { - // Here - ... - } - -the stack is in one of two states: - -- We've allocated up to the frame chain, but no more. - -- We've allocated the whole frame, and the frame chain is within easy - reach of the new SP. - -The offset of the frame chain from the current SP is available -in aarch64_frame as callee_offset. It is also available as the -chain_offset local variable, where the latter is calculated from other -data. (However, chain_offset is not always equal to callee_offset when -!emit_frame_chain, so chain_offset isn't redundant.) - -In c600df9a4060da3c6121ff4d0b93f179eafd69d1 I switched to using -chain_offset for the initialisation of the hard frame pointer: - - aarch64_add_offset (Pmode, hard_frame_pointer_rtx, -- stack_pointer_rtx, callee_offset, -+ stack_pointer_rtx, chain_offset, - tmp1_rtx, tmp0_rtx, frame_pointer_needed); - -But the later REG_CFA_ADJUST_CFA handling still used callee_offset. - -I think the difference is harmless, but it's more logical for the -CFA note to be in sync, and it's more convenient for later patches -if it uses chain_offset. - -gcc/ - * config/aarch64/aarch64.c (aarch64_expand_prologue): Use - chain_offset rather than callee_offset. ---- - gcc/config/aarch64/aarch64.c | 4 +--- - 1 file changed, 1 insertion(+), 3 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index 77c1d1300a5c..6bc026bd08f9 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -8901,7 +8901,6 @@ aarch64_expand_prologue (void) - poly_int64 initial_adjust = frame.initial_adjust; - HOST_WIDE_INT callee_adjust = frame.callee_adjust; - poly_int64 final_adjust = frame.final_adjust; -- poly_int64 callee_offset = frame.callee_offset; - poly_int64 sve_callee_adjust = frame.sve_callee_adjust; - poly_int64 below_hard_fp_saved_regs_size - = frame.below_hard_fp_saved_regs_size; -@@ -9010,8 +9009,7 @@ aarch64_expand_prologue (void) - implicit. */ - if (!find_reg_note (insn, REG_CFA_ADJUST_CFA, NULL_RTX)) - { -- rtx src = plus_constant (Pmode, stack_pointer_rtx, -- callee_offset); -+ rtx src = plus_constant (Pmode, stack_pointer_rtx, chain_offset); - add_reg_note (insn, REG_CFA_ADJUST_CFA, - gen_rtx_SET (hard_frame_pointer_rtx, src)); - } --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0013-aarch64-Explicitly-handle-frames-with-no-saved-regis.patch b/packages/gcc/11.4.0/0013-aarch64-Explicitly-handle-frames-with-no-saved-regis.patch deleted file mode 100644 index 16d6cad2..00000000 --- a/packages/gcc/11.4.0/0013-aarch64-Explicitly-handle-frames-with-no-saved-regis.patch +++ /dev/null @@ -1,49 +0,0 @@ -From 5efdcc8ed19d9d9e708a001f5dc695560411496d Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:44 +0100 -Subject: [PATCH 13/29] aarch64: Explicitly handle frames with no saved - registers - -If a frame has no saved registers, it can be allocated in one go. -There is no need to treat the areas below and above the saved -registers as separate. - -And if we allocate the frame in one go, it should be allocated -as the initial_adjust rather than the final_adjust. This allows the -frame size to grow to guard_size - guard_used_by_caller before a stack -probe is needed. (A frame with no register saves is necessarily a -leaf frame.) - -This is a no-op as thing stand, since a leaf function will have -no outgoing arguments, and so all the frame will be above where -the saved registers normally go. - -gcc/ - * config/aarch64/aarch64.c (aarch64_layout_frame): Explicitly - allocate the frame in one go if there are no saved registers. ---- - gcc/config/aarch64/aarch64.c | 8 +++++--- - 1 file changed, 5 insertions(+), 3 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index 6bc026bd08f9..05e6ae8c0c96 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -7609,9 +7609,11 @@ aarch64_layout_frame (void) - - HOST_WIDE_INT const_size, const_outgoing_args_size, const_fp_offset; - HOST_WIDE_INT const_saved_regs_size; -- if (frame.frame_size.is_constant (&const_size) -- && const_size < max_push_offset -- && known_eq (frame.hard_fp_offset, const_size)) -+ if (known_eq (frame.saved_regs_size, 0)) -+ frame.initial_adjust = frame.frame_size; -+ else if (frame.frame_size.is_constant (&const_size) -+ && const_size < max_push_offset -+ && known_eq (frame.hard_fp_offset, const_size)) - { - /* Simple, small frame with no outgoing arguments: - --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0014-aarch64-Add-bytes_below_saved_regs-to-frame-info.patch b/packages/gcc/11.4.0/0014-aarch64-Add-bytes_below_saved_regs-to-frame-info.patch deleted file mode 100644 index 321e4da9..00000000 --- a/packages/gcc/11.4.0/0014-aarch64-Add-bytes_below_saved_regs-to-frame-info.patch +++ /dev/null @@ -1,233 +0,0 @@ -From a8385d14318634f2e3a08a75bd2d6e2810f8cec9 Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:45 +0100 -Subject: [PATCH 14/29] aarch64: Add bytes_below_saved_regs to frame info - -The frame layout code currently hard-codes the assumption that -the number of bytes below the saved registers is equal to the -size of the outgoing arguments. This patch abstracts that -value into a new field of aarch64_frame. - -gcc/ - * config/aarch64/aarch64.h (aarch64_frame::bytes_below_saved_regs): New - field. - * config/aarch64/aarch64.c (aarch64_layout_frame): Initialize it, - and use it instead of crtl->outgoing_args_size. - (aarch64_get_separate_components): Use bytes_below_saved_regs instead - of outgoing_args_size. - (aarch64_process_components): Likewise. ---- - gcc/config/aarch64/aarch64.c | 71 ++++++++++++++++++------------------ - gcc/config/aarch64/aarch64.h | 5 +++ - 2 files changed, 41 insertions(+), 35 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index 05e6ae8c0c96..8fa5a0b25455 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -7476,6 +7476,8 @@ aarch64_layout_frame (void) - gcc_assert (crtl->is_leaf - || maybe_ne (frame.reg_offset[R30_REGNUM], SLOT_NOT_REQUIRED)); - -+ frame.bytes_below_saved_regs = crtl->outgoing_args_size; -+ - /* Now assign stack slots for the registers. Start with the predicate - registers, since predicate LDR and STR have a relatively small - offset range. These saves happen below the hard frame pointer. */ -@@ -7580,18 +7582,18 @@ aarch64_layout_frame (void) - - poly_int64 varargs_and_saved_regs_size = offset + frame.saved_varargs_size; - -- poly_int64 above_outgoing_args -+ poly_int64 saved_regs_and_above - = aligned_upper_bound (varargs_and_saved_regs_size - + get_frame_size (), - STACK_BOUNDARY / BITS_PER_UNIT); - - frame.hard_fp_offset -- = above_outgoing_args - frame.below_hard_fp_saved_regs_size; -+ = saved_regs_and_above - frame.below_hard_fp_saved_regs_size; - - /* Both these values are already aligned. */ -- gcc_assert (multiple_p (crtl->outgoing_args_size, -+ gcc_assert (multiple_p (frame.bytes_below_saved_regs, - STACK_BOUNDARY / BITS_PER_UNIT)); -- frame.frame_size = above_outgoing_args + crtl->outgoing_args_size; -+ frame.frame_size = saved_regs_and_above + frame.bytes_below_saved_regs; - - frame.locals_offset = frame.saved_varargs_size; - -@@ -7607,7 +7609,7 @@ aarch64_layout_frame (void) - else if (frame.wb_candidate1 != INVALID_REGNUM) - max_push_offset = 256; - -- HOST_WIDE_INT const_size, const_outgoing_args_size, const_fp_offset; -+ HOST_WIDE_INT const_size, const_below_saved_regs, const_fp_offset; - HOST_WIDE_INT const_saved_regs_size; - if (known_eq (frame.saved_regs_size, 0)) - frame.initial_adjust = frame.frame_size; -@@ -7615,31 +7617,31 @@ aarch64_layout_frame (void) - && const_size < max_push_offset - && known_eq (frame.hard_fp_offset, const_size)) - { -- /* Simple, small frame with no outgoing arguments: -+ /* Simple, small frame with no data below the saved registers. - - stp reg1, reg2, [sp, -frame_size]! - stp reg3, reg4, [sp, 16] */ - frame.callee_adjust = const_size; - } -- else if (crtl->outgoing_args_size.is_constant (&const_outgoing_args_size) -+ else if (frame.bytes_below_saved_regs.is_constant (&const_below_saved_regs) - && frame.saved_regs_size.is_constant (&const_saved_regs_size) -- && const_outgoing_args_size + const_saved_regs_size < 512 -- /* We could handle this case even with outgoing args, provided -- that the number of args left us with valid offsets for all -- predicate and vector save slots. It's such a rare case that -- it hardly seems worth the effort though. */ -- && (!saves_below_hard_fp_p || const_outgoing_args_size == 0) -+ && const_below_saved_regs + const_saved_regs_size < 512 -+ /* We could handle this case even with data below the saved -+ registers, provided that that data left us with valid offsets -+ for all predicate and vector save slots. It's such a rare -+ case that it hardly seems worth the effort though. */ -+ && (!saves_below_hard_fp_p || const_below_saved_regs == 0) - && !(cfun->calls_alloca - && frame.hard_fp_offset.is_constant (&const_fp_offset) - && const_fp_offset < max_push_offset)) - { -- /* Frame with small outgoing arguments: -+ /* Frame with small area below the saved registers: - - sub sp, sp, frame_size -- stp reg1, reg2, [sp, outgoing_args_size] -- stp reg3, reg4, [sp, outgoing_args_size + 16] */ -+ stp reg1, reg2, [sp, bytes_below_saved_regs] -+ stp reg3, reg4, [sp, bytes_below_saved_regs + 16] */ - frame.initial_adjust = frame.frame_size; -- frame.callee_offset = const_outgoing_args_size; -+ frame.callee_offset = const_below_saved_regs; - } - else if (saves_below_hard_fp_p - && known_eq (frame.saved_regs_size, -@@ -7649,30 +7651,29 @@ aarch64_layout_frame (void) - - sub sp, sp, hard_fp_offset + below_hard_fp_saved_regs_size - save SVE registers relative to SP -- sub sp, sp, outgoing_args_size */ -+ sub sp, sp, bytes_below_saved_regs */ - frame.initial_adjust = (frame.hard_fp_offset - + frame.below_hard_fp_saved_regs_size); -- frame.final_adjust = crtl->outgoing_args_size; -+ frame.final_adjust = frame.bytes_below_saved_regs; - } - else if (frame.hard_fp_offset.is_constant (&const_fp_offset) - && const_fp_offset < max_push_offset) - { -- /* Frame with large outgoing arguments or SVE saves, but with -- a small local area: -+ /* Frame with large area below the saved registers, or with SVE saves, -+ but with a small area above: - - stp reg1, reg2, [sp, -hard_fp_offset]! - stp reg3, reg4, [sp, 16] - [sub sp, sp, below_hard_fp_saved_regs_size] - [save SVE registers relative to SP] -- sub sp, sp, outgoing_args_size */ -+ sub sp, sp, bytes_below_saved_regs */ - frame.callee_adjust = const_fp_offset; - frame.sve_callee_adjust = frame.below_hard_fp_saved_regs_size; -- frame.final_adjust = crtl->outgoing_args_size; -+ frame.final_adjust = frame.bytes_below_saved_regs; - } - else - { -- /* Frame with large local area and outgoing arguments or SVE saves, -- using frame pointer: -+ /* General case: - - sub sp, sp, hard_fp_offset - stp x29, x30, [sp, 0] -@@ -7680,10 +7681,10 @@ aarch64_layout_frame (void) - stp reg3, reg4, [sp, 16] - [sub sp, sp, below_hard_fp_saved_regs_size] - [save SVE registers relative to SP] -- sub sp, sp, outgoing_args_size */ -+ sub sp, sp, bytes_below_saved_regs */ - frame.initial_adjust = frame.hard_fp_offset; - frame.sve_callee_adjust = frame.below_hard_fp_saved_regs_size; -- frame.final_adjust = crtl->outgoing_args_size; -+ frame.final_adjust = frame.bytes_below_saved_regs; - } - - /* Make sure the individual adjustments add up to the full frame size. */ -@@ -8274,7 +8275,7 @@ aarch64_get_separate_components (void) - if (frame_pointer_needed) - offset -= frame.below_hard_fp_saved_regs_size; - else -- offset += crtl->outgoing_args_size; -+ offset += frame.bytes_below_saved_regs; - - /* Check that we can access the stack slot of the register with one - direct load with no adjustments needed. */ -@@ -8423,7 +8424,7 @@ aarch64_process_components (sbitmap components, bool prologue_p) - if (frame_pointer_needed) - offset -= frame.below_hard_fp_saved_regs_size; - else -- offset += crtl->outgoing_args_size; -+ offset += frame.bytes_below_saved_regs; - - rtx addr = plus_constant (Pmode, ptr_reg, offset); - rtx mem = gen_frame_mem (mode, addr); -@@ -8477,7 +8478,7 @@ aarch64_process_components (sbitmap components, bool prologue_p) - if (frame_pointer_needed) - offset2 -= frame.below_hard_fp_saved_regs_size; - else -- offset2 += crtl->outgoing_args_size; -+ offset2 += frame.bytes_below_saved_regs; - rtx addr2 = plus_constant (Pmode, ptr_reg, offset2); - rtx mem2 = gen_frame_mem (mode, addr2); - rtx set2 = prologue_p ? gen_rtx_SET (mem2, reg2) -@@ -8551,10 +8552,10 @@ aarch64_stack_clash_protection_alloca_probe_range (void) - registers. If POLY_SIZE is not large enough to require a probe this function - will only adjust the stack. When allocating the stack space - FRAME_RELATED_P is then used to indicate if the allocation is frame related. -- FINAL_ADJUSTMENT_P indicates whether we are allocating the outgoing -- arguments. If we are then we ensure that any allocation larger than the ABI -- defined buffer needs a probe so that the invariant of having a 1KB buffer is -- maintained. -+ FINAL_ADJUSTMENT_P indicates whether we are allocating the area below -+ the saved registers. If we are then we ensure that any allocation -+ larger than the ABI defined buffer needs a probe so that the -+ invariant of having a 1KB buffer is maintained. - - We emit barriers after each stack adjustment to prevent optimizations from - breaking the invariant that we never drop the stack more than a page. This -@@ -8763,7 +8764,7 @@ aarch64_allocate_and_probe_stack_space (rtx temp1, rtx temp2, - /* Handle any residuals. Residuals of at least MIN_PROBE_THRESHOLD have to - be probed. This maintains the requirement that each page is probed at - least once. For initial probing we probe only if the allocation is -- more than GUARD_SIZE - buffer, and for the outgoing arguments we probe -+ more than GUARD_SIZE - buffer, and below the saved registers we probe - if the amount is larger than buffer. GUARD_SIZE - buffer + buffer == - GUARD_SIZE. This works that for any allocation that is large enough to - trigger a probe here, we'll have at least one, and if they're not large -diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h -index bb383acfae86..6f0b8c7107e7 100644 ---- a/gcc/config/aarch64/aarch64.h -+++ b/gcc/config/aarch64/aarch64.h -@@ -837,6 +837,11 @@ struct GTY (()) aarch64_frame - /* The size of the callee-save registers with a slot in REG_OFFSET. */ - poly_int64 saved_regs_size; - -+ /* The number of bytes between the bottom of the static frame (the bottom -+ of the outgoing arguments) and the bottom of the register save area. -+ This value is always a multiple of STACK_BOUNDARY. */ -+ poly_int64 bytes_below_saved_regs; -+ - /* The size of the callee-save registers with a slot in REG_OFFSET that - are saved below the hard frame pointer. */ - poly_int64 below_hard_fp_saved_regs_size; --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0015-aarch64-Add-bytes_below_hard_fp-to-frame-info.patch b/packages/gcc/11.4.0/0015-aarch64-Add-bytes_below_hard_fp-to-frame-info.patch deleted file mode 100644 index 3c2bd77d..00000000 --- a/packages/gcc/11.4.0/0015-aarch64-Add-bytes_below_hard_fp-to-frame-info.patch +++ /dev/null @@ -1,84 +0,0 @@ -From d3f6ceecc8a7f128a9e6cb7d8aecf0de81ed9705 Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:45 +0100 -Subject: [PATCH 15/29] aarch64: Add bytes_below_hard_fp to frame info - -Following on from the previous bytes_below_saved_regs patch, this one -records the number of bytes that are below the hard frame pointer. -This eventually replaces below_hard_fp_saved_regs_size. - -If a frame pointer is not needed, the epilogue adds final_adjust -to the stack pointer before restoring registers: - - aarch64_add_sp (tmp1_rtx, tmp0_rtx, final_adjust, true); - -Therefore, if the epilogue needs to restore the stack pointer from -the hard frame pointer, the directly corresponding offset is: - - -bytes_below_hard_fp + final_adjust - -i.e. go from the hard frame pointer to the bottom of the frame, -then add the same amount as if we were using the stack pointer -from the outset. - -gcc/ - * config/aarch64/aarch64.h (aarch64_frame::bytes_below_hard_fp): New - field. - * config/aarch64/aarch64.c (aarch64_layout_frame): Initialize it. - (aarch64_expand_epilogue): Use it instead of - below_hard_fp_saved_regs_size. ---- - gcc/config/aarch64/aarch64.c | 6 +++--- - gcc/config/aarch64/aarch64.h | 5 +++++ - 2 files changed, 8 insertions(+), 3 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index 8fa5a0b25455..e03adf57226f 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -7528,6 +7528,7 @@ aarch64_layout_frame (void) - of the callee save area. */ - bool saves_below_hard_fp_p = maybe_ne (offset, 0); - frame.below_hard_fp_saved_regs_size = offset; -+ frame.bytes_below_hard_fp = offset + frame.bytes_below_saved_regs; - if (frame.emit_frame_chain) - { - /* FP and LR are placed in the linkage record. */ -@@ -9083,8 +9084,7 @@ aarch64_expand_epilogue (bool for_sibcall) - poly_int64 final_adjust = frame.final_adjust; - poly_int64 callee_offset = frame.callee_offset; - poly_int64 sve_callee_adjust = frame.sve_callee_adjust; -- poly_int64 below_hard_fp_saved_regs_size -- = frame.below_hard_fp_saved_regs_size; -+ poly_int64 bytes_below_hard_fp = frame.bytes_below_hard_fp; - unsigned reg1 = frame.wb_candidate1; - unsigned reg2 = frame.wb_candidate2; - rtx cfi_ops = NULL; -@@ -9140,7 +9140,7 @@ aarch64_expand_epilogue (bool for_sibcall) - is restored on the instruction doing the writeback. */ - aarch64_add_offset (Pmode, stack_pointer_rtx, - hard_frame_pointer_rtx, -- -callee_offset - below_hard_fp_saved_regs_size, -+ -bytes_below_hard_fp + final_adjust, - tmp1_rtx, tmp0_rtx, callee_adjust == 0); - else - /* The case where we need to re-use the register here is very rare, so -diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h -index 6f0b8c7107e7..21ac920a3fe1 100644 ---- a/gcc/config/aarch64/aarch64.h -+++ b/gcc/config/aarch64/aarch64.h -@@ -846,6 +846,11 @@ struct GTY (()) aarch64_frame - are saved below the hard frame pointer. */ - poly_int64 below_hard_fp_saved_regs_size; - -+ /* The number of bytes between the bottom of the static frame (the bottom -+ of the outgoing arguments) and the hard frame pointer. This value is -+ always a multiple of STACK_BOUNDARY. */ -+ poly_int64 bytes_below_hard_fp; -+ - /* Offset from the base of the frame (incomming SP) to the - top of the locals area. This value is always a multiple of - STACK_BOUNDARY. */ --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0016-aarch64-Tweak-aarch64_save-restore_callee_saves.patch b/packages/gcc/11.4.0/0016-aarch64-Tweak-aarch64_save-restore_callee_saves.patch deleted file mode 100644 index 6367f16b..00000000 --- a/packages/gcc/11.4.0/0016-aarch64-Tweak-aarch64_save-restore_callee_saves.patch +++ /dev/null @@ -1,221 +0,0 @@ -From e8a7ec87fcdbaa5f7c7bd499aebe5cefacbf8687 Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:46 +0100 -Subject: [PATCH 16/29] aarch64: Tweak aarch64_save/restore_callee_saves - -aarch64_save_callee_saves and aarch64_restore_callee_saves took -a parameter called start_offset that gives the offset of the -bottom of the saved register area from the current stack pointer. -However, it's more convenient for later patches if we use the -bottom of the entire frame as the reference point, rather than -the bottom of the saved registers. - -Doing that removes the need for the callee_offset field. -Other than that, this is not a win on its own. It only really -makes sense in combination with the follow-on patches. - -gcc/ - * config/aarch64/aarch64.h (aarch64_frame::callee_offset): Delete. - * config/aarch64/aarch64.c (aarch64_layout_frame): Remove - callee_offset handling. - (aarch64_save_callee_saves): Replace the start_offset parameter - with a bytes_below_sp parameter. - (aarch64_restore_callee_saves): Likewise. - (aarch64_expand_prologue): Update accordingly. - (aarch64_expand_epilogue): Likewise. ---- - gcc/config/aarch64/aarch64.c | 56 ++++++++++++++++++------------------ - gcc/config/aarch64/aarch64.h | 4 --- - 2 files changed, 28 insertions(+), 32 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index e03adf57226f..96e99f6c17ae 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -7602,7 +7602,6 @@ aarch64_layout_frame (void) - frame.final_adjust = 0; - frame.callee_adjust = 0; - frame.sve_callee_adjust = 0; -- frame.callee_offset = 0; - - HOST_WIDE_INT max_push_offset = 0; - if (frame.wb_candidate2 != INVALID_REGNUM) -@@ -7642,7 +7641,6 @@ aarch64_layout_frame (void) - stp reg1, reg2, [sp, bytes_below_saved_regs] - stp reg3, reg4, [sp, bytes_below_saved_regs + 16] */ - frame.initial_adjust = frame.frame_size; -- frame.callee_offset = const_below_saved_regs; - } - else if (saves_below_hard_fp_p - && known_eq (frame.saved_regs_size, -@@ -7989,12 +7987,13 @@ aarch64_add_cfa_expression (rtx_insn *insn, rtx reg, - } - - /* Emit code to save the callee-saved registers from register number START -- to LIMIT to the stack at the location starting at offset START_OFFSET, -- skipping any write-back candidates if SKIP_WB is true. HARD_FP_VALID_P -- is true if the hard frame pointer has been set up. */ -+ to LIMIT to the stack. The stack pointer is currently BYTES_BELOW_SP -+ bytes above the bottom of the static frame. Skip any write-back -+ candidates if SKIP_WB is true. HARD_FP_VALID_P is true if the hard -+ frame pointer has been set up. */ - - static void --aarch64_save_callee_saves (poly_int64 start_offset, -+aarch64_save_callee_saves (poly_int64 bytes_below_sp, - unsigned start, unsigned limit, bool skip_wb, - bool hard_fp_valid_p) - { -@@ -8022,7 +8021,9 @@ aarch64_save_callee_saves (poly_int64 start_offset, - - machine_mode mode = aarch64_reg_save_mode (regno); - reg = gen_rtx_REG (mode, regno); -- offset = start_offset + frame.reg_offset[regno]; -+ offset = (frame.reg_offset[regno] -+ + frame.bytes_below_saved_regs -+ - bytes_below_sp); - rtx base_rtx = stack_pointer_rtx; - poly_int64 sp_offset = offset; - -@@ -8033,9 +8034,7 @@ aarch64_save_callee_saves (poly_int64 start_offset, - else if (GP_REGNUM_P (regno) - && (!offset.is_constant (&const_offset) || const_offset >= 512)) - { -- gcc_assert (known_eq (start_offset, 0)); -- poly_int64 fp_offset -- = frame.below_hard_fp_saved_regs_size; -+ poly_int64 fp_offset = frame.bytes_below_hard_fp - bytes_below_sp; - if (hard_fp_valid_p) - base_rtx = hard_frame_pointer_rtx; - else -@@ -8099,12 +8098,13 @@ aarch64_save_callee_saves (poly_int64 start_offset, - } - - /* Emit code to restore the callee registers from register number START -- up to and including LIMIT. Restore from the stack offset START_OFFSET, -- skipping any write-back candidates if SKIP_WB is true. Write the -- appropriate REG_CFA_RESTORE notes into CFI_OPS. */ -+ up to and including LIMIT. The stack pointer is currently BYTES_BELOW_SP -+ bytes above the bottom of the static frame. Skip any write-back -+ candidates if SKIP_WB is true. Write the appropriate REG_CFA_RESTORE -+ notes into CFI_OPS. */ - - static void --aarch64_restore_callee_saves (poly_int64 start_offset, unsigned start, -+aarch64_restore_callee_saves (poly_int64 bytes_below_sp, unsigned start, - unsigned limit, bool skip_wb, rtx *cfi_ops) - { - aarch64_frame &frame = cfun->machine->frame; -@@ -8130,7 +8130,9 @@ aarch64_restore_callee_saves (poly_int64 start_offset, unsigned start, - - machine_mode mode = aarch64_reg_save_mode (regno); - reg = gen_rtx_REG (mode, regno); -- offset = start_offset + frame.reg_offset[regno]; -+ offset = (frame.reg_offset[regno] -+ + frame.bytes_below_saved_regs -+ - bytes_below_sp); - rtx base_rtx = stack_pointer_rtx; - if (mode == VNx2DImode && BYTES_BIG_ENDIAN) - aarch64_adjust_sve_callee_save_base (mode, base_rtx, anchor_reg, -@@ -8906,8 +8908,6 @@ aarch64_expand_prologue (void) - HOST_WIDE_INT callee_adjust = frame.callee_adjust; - poly_int64 final_adjust = frame.final_adjust; - poly_int64 sve_callee_adjust = frame.sve_callee_adjust; -- poly_int64 below_hard_fp_saved_regs_size -- = frame.below_hard_fp_saved_regs_size; - unsigned reg1 = frame.wb_candidate1; - unsigned reg2 = frame.wb_candidate2; - bool emit_frame_chain = frame.emit_frame_chain; -@@ -8979,8 +8979,8 @@ aarch64_expand_prologue (void) - - frame.hard_fp_offset); - gcc_assert (known_ge (chain_offset, 0)); - -- /* The offset of the bottom of the save area from the current SP. */ -- poly_int64 saved_regs_offset = chain_offset - below_hard_fp_saved_regs_size; -+ /* The offset of the current SP from the bottom of the static frame. */ -+ poly_int64 bytes_below_sp = frame_size - initial_adjust - callee_adjust; - - if (emit_frame_chain) - { -@@ -8988,7 +8988,7 @@ aarch64_expand_prologue (void) - { - reg1 = R29_REGNUM; - reg2 = R30_REGNUM; -- aarch64_save_callee_saves (saved_regs_offset, reg1, reg2, -+ aarch64_save_callee_saves (bytes_below_sp, reg1, reg2, - false, false); - } - else -@@ -9028,7 +9028,7 @@ aarch64_expand_prologue (void) - emit_insn (gen_stack_tie (stack_pointer_rtx, hard_frame_pointer_rtx)); - } - -- aarch64_save_callee_saves (saved_regs_offset, R0_REGNUM, R30_REGNUM, -+ aarch64_save_callee_saves (bytes_below_sp, R0_REGNUM, R30_REGNUM, - callee_adjust != 0 || emit_frame_chain, - emit_frame_chain); - if (maybe_ne (sve_callee_adjust, 0)) -@@ -9038,16 +9038,17 @@ aarch64_expand_prologue (void) - aarch64_allocate_and_probe_stack_space (tmp1_rtx, tmp0_rtx, - sve_callee_adjust, - !frame_pointer_needed, false); -- saved_regs_offset += sve_callee_adjust; -+ bytes_below_sp -= sve_callee_adjust; - } -- aarch64_save_callee_saves (saved_regs_offset, P0_REGNUM, P15_REGNUM, -+ aarch64_save_callee_saves (bytes_below_sp, P0_REGNUM, P15_REGNUM, - false, emit_frame_chain); -- aarch64_save_callee_saves (saved_regs_offset, V0_REGNUM, V31_REGNUM, -+ aarch64_save_callee_saves (bytes_below_sp, V0_REGNUM, V31_REGNUM, - callee_adjust != 0 || emit_frame_chain, - emit_frame_chain); - - /* We may need to probe the final adjustment if it is larger than the guard - that is assumed by the called. */ -+ gcc_assert (known_eq (bytes_below_sp, final_adjust)); - aarch64_allocate_and_probe_stack_space (tmp1_rtx, tmp0_rtx, final_adjust, - !frame_pointer_needed, true); - } -@@ -9082,7 +9083,6 @@ aarch64_expand_epilogue (bool for_sibcall) - poly_int64 initial_adjust = frame.initial_adjust; - HOST_WIDE_INT callee_adjust = frame.callee_adjust; - poly_int64 final_adjust = frame.final_adjust; -- poly_int64 callee_offset = frame.callee_offset; - poly_int64 sve_callee_adjust = frame.sve_callee_adjust; - poly_int64 bytes_below_hard_fp = frame.bytes_below_hard_fp; - unsigned reg1 = frame.wb_candidate1; -@@ -9150,13 +9150,13 @@ aarch64_expand_epilogue (bool for_sibcall) - - /* Restore the vector registers before the predicate registers, - so that we can use P4 as a temporary for big-endian SVE frames. */ -- aarch64_restore_callee_saves (callee_offset, V0_REGNUM, V31_REGNUM, -+ aarch64_restore_callee_saves (final_adjust, V0_REGNUM, V31_REGNUM, - callee_adjust != 0, &cfi_ops); -- aarch64_restore_callee_saves (callee_offset, P0_REGNUM, P15_REGNUM, -+ aarch64_restore_callee_saves (final_adjust, P0_REGNUM, P15_REGNUM, - false, &cfi_ops); - if (maybe_ne (sve_callee_adjust, 0)) - aarch64_add_sp (NULL_RTX, NULL_RTX, sve_callee_adjust, true); -- aarch64_restore_callee_saves (callee_offset - sve_callee_adjust, -+ aarch64_restore_callee_saves (final_adjust + sve_callee_adjust, - R0_REGNUM, R30_REGNUM, - callee_adjust != 0, &cfi_ops); - -diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h -index 21ac920a3fe1..57e672177456 100644 ---- a/gcc/config/aarch64/aarch64.h -+++ b/gcc/config/aarch64/aarch64.h -@@ -873,10 +873,6 @@ struct GTY (()) aarch64_frame - It is zero when no push is used. */ - HOST_WIDE_INT callee_adjust; - -- /* The offset from SP to the callee-save registers after initial_adjust. -- It may be non-zero if no push is used (ie. callee_adjust == 0). */ -- poly_int64 callee_offset; -- - /* The size of the stack adjustment before saving or after restoring - SVE registers. */ - poly_int64 sve_callee_adjust; --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0017-aarch64-Only-calculate-chain_offset-if-there-is-a-ch.patch b/packages/gcc/11.4.0/0017-aarch64-Only-calculate-chain_offset-if-there-is-a-ch.patch deleted file mode 100644 index 8a50afce..00000000 --- a/packages/gcc/11.4.0/0017-aarch64-Only-calculate-chain_offset-if-there-is-a-ch.patch +++ /dev/null @@ -1,45 +0,0 @@ -From 7356df0319aefe4c68ef57ec4c6bd18c72188a34 Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:46 +0100 -Subject: [PATCH 17/29] aarch64: Only calculate chain_offset if there is a - chain - -After previous patches, it is no longer necessary to calculate -a chain_offset in cases where there is no chain record. - -gcc/ - * config/aarch64/aarch64.c (aarch64_expand_prologue): Move the - calculation of chain_offset into the emit_frame_chain block. ---- - gcc/config/aarch64/aarch64.c | 10 +++++----- - 1 file changed, 5 insertions(+), 5 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index 96e99f6c17ae..cf5244b7ec08 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -8974,16 +8974,16 @@ aarch64_expand_prologue (void) - if (callee_adjust != 0) - aarch64_push_regs (reg1, reg2, callee_adjust); - -- /* The offset of the frame chain record (if any) from the current SP. */ -- poly_int64 chain_offset = (initial_adjust + callee_adjust -- - frame.hard_fp_offset); -- gcc_assert (known_ge (chain_offset, 0)); -- - /* The offset of the current SP from the bottom of the static frame. */ - poly_int64 bytes_below_sp = frame_size - initial_adjust - callee_adjust; - - if (emit_frame_chain) - { -+ /* The offset of the frame chain record (if any) from the current SP. */ -+ poly_int64 chain_offset = (initial_adjust + callee_adjust -+ - frame.hard_fp_offset); -+ gcc_assert (known_ge (chain_offset, 0)); -+ - if (callee_adjust == 0) - { - reg1 = R29_REGNUM; --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0018-aarch64-Rename-locals_offset-to-bytes_above_locals.patch b/packages/gcc/11.4.0/0018-aarch64-Rename-locals_offset-to-bytes_above_locals.patch deleted file mode 100644 index 7c989274..00000000 --- a/packages/gcc/11.4.0/0018-aarch64-Rename-locals_offset-to-bytes_above_locals.patch +++ /dev/null @@ -1,91 +0,0 @@ -From 82fb69e75c21010f7afc72bb842751164fe8fc72 Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:46 +0100 -Subject: [PATCH 18/29] aarch64: Rename locals_offset to bytes_above_locals -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -locals_offset was described as: - - /* Offset from the base of the frame (incomming SP) to the - top of the locals area. This value is always a multiple of - STACK_BOUNDARY. */ - -This is implicitly an “upside down” view of the frame: the incoming -SP is at offset 0, and anything N bytes below the incoming SP is at -offset N (rather than -N). - -However, reg_offset instead uses a “right way up” view; that is, -it views offsets in address terms. Something above X is at a -positive offset from X and something below X is at a negative -offset from X. - -Also, even on FRAME_GROWS_DOWNWARD targets like AArch64, -target-independent code views offsets in address terms too: -locals are allocated at negative offsets to virtual_stack_vars. - -It seems confusing to have *_offset fields of the same structure -using different polarities like this. This patch tries to avoid -that by renaming locals_offset to bytes_above_locals. - -gcc/ - * config/aarch64/aarch64.h (aarch64_frame::locals_offset): Rename to... - (aarch64_frame::bytes_above_locals): ...this. - * config/aarch64/aarch64.c (aarch64_layout_frame) - (aarch64_initial_elimination_offset): Update accordingly. ---- - gcc/config/aarch64/aarch64.c | 6 +++--- - gcc/config/aarch64/aarch64.h | 6 +++--- - 2 files changed, 6 insertions(+), 6 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index cf5244b7ec08..d54f7a89306f 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -7596,7 +7596,7 @@ aarch64_layout_frame (void) - STACK_BOUNDARY / BITS_PER_UNIT)); - frame.frame_size = saved_regs_and_above + frame.bytes_below_saved_regs; - -- frame.locals_offset = frame.saved_varargs_size; -+ frame.bytes_above_locals = frame.saved_varargs_size; - - frame.initial_adjust = 0; - frame.final_adjust = 0; -@@ -11758,13 +11758,13 @@ aarch64_initial_elimination_offset (unsigned from, unsigned to) - return frame.hard_fp_offset; - - if (from == FRAME_POINTER_REGNUM) -- return frame.hard_fp_offset - frame.locals_offset; -+ return frame.hard_fp_offset - frame.bytes_above_locals; - } - - if (to == STACK_POINTER_REGNUM) - { - if (from == FRAME_POINTER_REGNUM) -- return frame.frame_size - frame.locals_offset; -+ return frame.frame_size - frame.bytes_above_locals; - } - - return frame.frame_size; -diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h -index 57e672177456..3c5e3dd429dc 100644 ---- a/gcc/config/aarch64/aarch64.h -+++ b/gcc/config/aarch64/aarch64.h -@@ -851,10 +851,10 @@ struct GTY (()) aarch64_frame - always a multiple of STACK_BOUNDARY. */ - poly_int64 bytes_below_hard_fp; - -- /* Offset from the base of the frame (incomming SP) to the -- top of the locals area. This value is always a multiple of -+ /* The number of bytes between the top of the locals area and the top -+ of the frame (the incomming SP). This value is always a multiple of - STACK_BOUNDARY. */ -- poly_int64 locals_offset; -+ poly_int64 bytes_above_locals; - - /* Offset from the base of the frame (incomming SP) to the - hard_frame_pointer. This value is always a multiple of --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0019-aarch64-Rename-hard_fp_offset-to-bytes_above_hard_fp.patch b/packages/gcc/11.4.0/0019-aarch64-Rename-hard_fp_offset-to-bytes_above_hard_fp.patch deleted file mode 100644 index e4c47306..00000000 --- a/packages/gcc/11.4.0/0019-aarch64-Rename-hard_fp_offset-to-bytes_above_hard_fp.patch +++ /dev/null @@ -1,148 +0,0 @@ -From fa6600b55b49ee14d8288f13719ceea2a75eea60 Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:47 +0100 -Subject: [PATCH 19/29] aarch64: Rename hard_fp_offset to bytes_above_hard_fp -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Similarly to the previous locals_offset patch, hard_fp_offset -was described as: - - /* Offset from the base of the frame (incomming SP) to the - hard_frame_pointer. This value is always a multiple of - STACK_BOUNDARY. */ - poly_int64 hard_fp_offset; - -which again took an “upside-down” view: higher offsets meant lower -addresses. This patch renames the field to bytes_above_hard_fp instead. - -gcc/ - * config/aarch64/aarch64.h (aarch64_frame::hard_fp_offset): Rename - to... - (aarch64_frame::bytes_above_hard_fp): ...this. - * config/aarch64/aarch64.c (aarch64_layout_frame) - (aarch64_expand_prologue): Update accordingly. - (aarch64_initial_elimination_offset): Likewise. ---- - gcc/config/aarch64/aarch64.c | 26 +++++++++++++------------- - gcc/config/aarch64/aarch64.h | 6 +++--- - 2 files changed, 16 insertions(+), 16 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index d54f7a89306f..23cb084e5a75 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -7588,7 +7588,7 @@ aarch64_layout_frame (void) - + get_frame_size (), - STACK_BOUNDARY / BITS_PER_UNIT); - -- frame.hard_fp_offset -+ frame.bytes_above_hard_fp - = saved_regs_and_above - frame.below_hard_fp_saved_regs_size; - - /* Both these values are already aligned. */ -@@ -7609,13 +7609,13 @@ aarch64_layout_frame (void) - else if (frame.wb_candidate1 != INVALID_REGNUM) - max_push_offset = 256; - -- HOST_WIDE_INT const_size, const_below_saved_regs, const_fp_offset; -+ HOST_WIDE_INT const_size, const_below_saved_regs, const_above_fp; - HOST_WIDE_INT const_saved_regs_size; - if (known_eq (frame.saved_regs_size, 0)) - frame.initial_adjust = frame.frame_size; - else if (frame.frame_size.is_constant (&const_size) - && const_size < max_push_offset -- && known_eq (frame.hard_fp_offset, const_size)) -+ && known_eq (frame.bytes_above_hard_fp, const_size)) - { - /* Simple, small frame with no data below the saved registers. - -@@ -7632,8 +7632,8 @@ aarch64_layout_frame (void) - case that it hardly seems worth the effort though. */ - && (!saves_below_hard_fp_p || const_below_saved_regs == 0) - && !(cfun->calls_alloca -- && frame.hard_fp_offset.is_constant (&const_fp_offset) -- && const_fp_offset < max_push_offset)) -+ && frame.bytes_above_hard_fp.is_constant (&const_above_fp) -+ && const_above_fp < max_push_offset)) - { - /* Frame with small area below the saved registers: - -@@ -7651,12 +7651,12 @@ aarch64_layout_frame (void) - sub sp, sp, hard_fp_offset + below_hard_fp_saved_regs_size - save SVE registers relative to SP - sub sp, sp, bytes_below_saved_regs */ -- frame.initial_adjust = (frame.hard_fp_offset -+ frame.initial_adjust = (frame.bytes_above_hard_fp - + frame.below_hard_fp_saved_regs_size); - frame.final_adjust = frame.bytes_below_saved_regs; - } -- else if (frame.hard_fp_offset.is_constant (&const_fp_offset) -- && const_fp_offset < max_push_offset) -+ else if (frame.bytes_above_hard_fp.is_constant (&const_above_fp) -+ && const_above_fp < max_push_offset) - { - /* Frame with large area below the saved registers, or with SVE saves, - but with a small area above: -@@ -7666,7 +7666,7 @@ aarch64_layout_frame (void) - [sub sp, sp, below_hard_fp_saved_regs_size] - [save SVE registers relative to SP] - sub sp, sp, bytes_below_saved_regs */ -- frame.callee_adjust = const_fp_offset; -+ frame.callee_adjust = const_above_fp; - frame.sve_callee_adjust = frame.below_hard_fp_saved_regs_size; - frame.final_adjust = frame.bytes_below_saved_regs; - } -@@ -7681,7 +7681,7 @@ aarch64_layout_frame (void) - [sub sp, sp, below_hard_fp_saved_regs_size] - [save SVE registers relative to SP] - sub sp, sp, bytes_below_saved_regs */ -- frame.initial_adjust = frame.hard_fp_offset; -+ frame.initial_adjust = frame.bytes_above_hard_fp; - frame.sve_callee_adjust = frame.below_hard_fp_saved_regs_size; - frame.final_adjust = frame.bytes_below_saved_regs; - } -@@ -8981,7 +8981,7 @@ aarch64_expand_prologue (void) - { - /* The offset of the frame chain record (if any) from the current SP. */ - poly_int64 chain_offset = (initial_adjust + callee_adjust -- - frame.hard_fp_offset); -+ - frame.bytes_above_hard_fp); - gcc_assert (known_ge (chain_offset, 0)); - - if (callee_adjust == 0) -@@ -11755,10 +11755,10 @@ aarch64_initial_elimination_offset (unsigned from, unsigned to) - if (to == HARD_FRAME_POINTER_REGNUM) - { - if (from == ARG_POINTER_REGNUM) -- return frame.hard_fp_offset; -+ return frame.bytes_above_hard_fp; - - if (from == FRAME_POINTER_REGNUM) -- return frame.hard_fp_offset - frame.bytes_above_locals; -+ return frame.bytes_above_hard_fp - frame.bytes_above_locals; - } - - if (to == STACK_POINTER_REGNUM) -diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h -index 3c5e3dd429dc..9291cfd3ec8b 100644 ---- a/gcc/config/aarch64/aarch64.h -+++ b/gcc/config/aarch64/aarch64.h -@@ -856,10 +856,10 @@ struct GTY (()) aarch64_frame - STACK_BOUNDARY. */ - poly_int64 bytes_above_locals; - -- /* Offset from the base of the frame (incomming SP) to the -- hard_frame_pointer. This value is always a multiple of -+ /* The number of bytes between the hard_frame_pointer and the top of -+ the frame (the incomming SP). This value is always a multiple of - STACK_BOUNDARY. */ -- poly_int64 hard_fp_offset; -+ poly_int64 bytes_above_hard_fp; - - /* The size of the frame. This value is the offset from base of the - frame (incomming SP) to the stack_pointer. This value is always --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0020-aarch64-Tweak-frame_size-comment.patch b/packages/gcc/11.4.0/0020-aarch64-Tweak-frame_size-comment.patch deleted file mode 100644 index d9f68fd2..00000000 --- a/packages/gcc/11.4.0/0020-aarch64-Tweak-frame_size-comment.patch +++ /dev/null @@ -1,35 +0,0 @@ -From b8cd5a0229da78c2d1289d54731fbef0126617d5 Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:47 +0100 -Subject: [PATCH 20/29] aarch64: Tweak frame_size comment -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -This patch fixes another case in which a value was described with -an “upside-down” view. - -gcc/ - * config/aarch64/aarch64.h (aarch64_frame::frame_size): Tweak comment. ---- - gcc/config/aarch64/aarch64.h | 4 ++-- - 1 file changed, 2 insertions(+), 2 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h -index 9291cfd3ec8b..82883ad5a0d8 100644 ---- a/gcc/config/aarch64/aarch64.h -+++ b/gcc/config/aarch64/aarch64.h -@@ -861,8 +861,8 @@ struct GTY (()) aarch64_frame - STACK_BOUNDARY. */ - poly_int64 bytes_above_hard_fp; - -- /* The size of the frame. This value is the offset from base of the -- frame (incomming SP) to the stack_pointer. This value is always -+ /* The size of the frame, i.e. the number of bytes between the bottom -+ of the outgoing arguments and the incoming SP. This value is always - a multiple of STACK_BOUNDARY. */ - poly_int64 frame_size; - --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0021-aarch64-Measure-reg_offset-from-the-bottom-of-the-fr.patch b/packages/gcc/11.4.0/0021-aarch64-Measure-reg_offset-from-the-bottom-of-the-fr.patch deleted file mode 100644 index b0a2d328..00000000 --- a/packages/gcc/11.4.0/0021-aarch64-Measure-reg_offset-from-the-bottom-of-the-fr.patch +++ /dev/null @@ -1,196 +0,0 @@ -From 999c4a81cffddb850d6ab0f6d3a8de3e704d2f7a Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:48 +0100 -Subject: [PATCH 21/29] aarch64: Measure reg_offset from the bottom of the - frame - -reg_offset was measured from the bottom of the saved register area. -This made perfect sense with the original layout, since the bottom -of the saved register area was also the hard frame pointer address. -It became slightly less obvious with SVE, since we save SVE -registers below the hard frame pointer, but it still made sense. - -However, if we want to allow different frame layouts, it's more -convenient and obvious to measure reg_offset from the bottom of -the frame. After previous patches, it's also a slight simplification -in its own right. - -gcc/ - * config/aarch64/aarch64.h (aarch64_frame): Add comment above - reg_offset. - * config/aarch64/aarch64.c (aarch64_layout_frame): Walk offsets - from the bottom of the frame, rather than the bottom of the saved - register area. Measure reg_offset from the bottom of the frame - rather than the bottom of the saved register area. - (aarch64_save_callee_saves): Update accordingly. - (aarch64_restore_callee_saves): Likewise. - (aarch64_get_separate_components): Likewise. - (aarch64_process_components): Likewise. ---- - gcc/config/aarch64/aarch64.c | 53 ++++++++++++++++-------------------- - gcc/config/aarch64/aarch64.h | 3 ++ - 2 files changed, 27 insertions(+), 29 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index 23cb084e5a75..45ff664cba6b 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -7398,7 +7398,6 @@ aarch64_needs_frame_chain (void) - static void - aarch64_layout_frame (void) - { -- poly_int64 offset = 0; - int regno, last_fp_reg = INVALID_REGNUM; - machine_mode vector_save_mode = aarch64_reg_save_mode (V8_REGNUM); - poly_int64 vector_save_size = GET_MODE_SIZE (vector_save_mode); -@@ -7476,7 +7475,9 @@ aarch64_layout_frame (void) - gcc_assert (crtl->is_leaf - || maybe_ne (frame.reg_offset[R30_REGNUM], SLOT_NOT_REQUIRED)); - -- frame.bytes_below_saved_regs = crtl->outgoing_args_size; -+ poly_int64 offset = crtl->outgoing_args_size; -+ gcc_assert (multiple_p (offset, STACK_BOUNDARY / BITS_PER_UNIT)); -+ frame.bytes_below_saved_regs = offset; - - /* Now assign stack slots for the registers. Start with the predicate - registers, since predicate LDR and STR have a relatively small -@@ -7488,7 +7489,8 @@ aarch64_layout_frame (void) - offset += BYTES_PER_SVE_PRED; - } - -- if (maybe_ne (offset, 0)) -+ poly_int64 saved_prs_size = offset - frame.bytes_below_saved_regs; -+ if (maybe_ne (saved_prs_size, 0)) - { - /* If we have any vector registers to save above the predicate registers, - the offset of the vector register save slots need to be a multiple -@@ -7506,10 +7508,10 @@ aarch64_layout_frame (void) - offset = aligned_upper_bound (offset, STACK_BOUNDARY / BITS_PER_UNIT); - else - { -- if (known_le (offset, vector_save_size)) -- offset = vector_save_size; -- else if (known_le (offset, vector_save_size * 2)) -- offset = vector_save_size * 2; -+ if (known_le (saved_prs_size, vector_save_size)) -+ offset = frame.bytes_below_saved_regs + vector_save_size; -+ else if (known_le (saved_prs_size, vector_save_size * 2)) -+ offset = frame.bytes_below_saved_regs + vector_save_size * 2; - else - gcc_unreachable (); - } -@@ -7526,9 +7528,10 @@ aarch64_layout_frame (void) - - /* OFFSET is now the offset of the hard frame pointer from the bottom - of the callee save area. */ -- bool saves_below_hard_fp_p = maybe_ne (offset, 0); -- frame.below_hard_fp_saved_regs_size = offset; -- frame.bytes_below_hard_fp = offset + frame.bytes_below_saved_regs; -+ frame.below_hard_fp_saved_regs_size = offset - frame.bytes_below_saved_regs; -+ bool saves_below_hard_fp_p -+ = maybe_ne (frame.below_hard_fp_saved_regs_size, 0); -+ frame.bytes_below_hard_fp = offset; - if (frame.emit_frame_chain) - { - /* FP and LR are placed in the linkage record. */ -@@ -7579,9 +7582,10 @@ aarch64_layout_frame (void) - - offset = aligned_upper_bound (offset, STACK_BOUNDARY / BITS_PER_UNIT); - -- frame.saved_regs_size = offset; -+ frame.saved_regs_size = offset - frame.bytes_below_saved_regs; - -- poly_int64 varargs_and_saved_regs_size = offset + frame.saved_varargs_size; -+ poly_int64 varargs_and_saved_regs_size -+ = frame.saved_regs_size + frame.saved_varargs_size; - - poly_int64 saved_regs_and_above - = aligned_upper_bound (varargs_and_saved_regs_size -@@ -8021,9 +8025,7 @@ aarch64_save_callee_saves (poly_int64 bytes_below_sp, - - machine_mode mode = aarch64_reg_save_mode (regno); - reg = gen_rtx_REG (mode, regno); -- offset = (frame.reg_offset[regno] -- + frame.bytes_below_saved_regs -- - bytes_below_sp); -+ offset = frame.reg_offset[regno] - bytes_below_sp; - rtx base_rtx = stack_pointer_rtx; - poly_int64 sp_offset = offset; - -@@ -8130,9 +8132,7 @@ aarch64_restore_callee_saves (poly_int64 bytes_below_sp, unsigned start, - - machine_mode mode = aarch64_reg_save_mode (regno); - reg = gen_rtx_REG (mode, regno); -- offset = (frame.reg_offset[regno] -- + frame.bytes_below_saved_regs -- - bytes_below_sp); -+ offset = frame.reg_offset[regno] - bytes_below_sp; - rtx base_rtx = stack_pointer_rtx; - if (mode == VNx2DImode && BYTES_BIG_ENDIAN) - aarch64_adjust_sve_callee_save_base (mode, base_rtx, anchor_reg, -@@ -8271,14 +8271,12 @@ aarch64_get_separate_components (void) - it as a stack probe for -fstack-clash-protection. */ - if (flag_stack_clash_protection - && maybe_ne (frame.below_hard_fp_saved_regs_size, 0) -- && known_eq (offset, 0)) -+ && known_eq (offset, frame.bytes_below_saved_regs)) - continue; - - /* Get the offset relative to the register we'll use. */ - if (frame_pointer_needed) -- offset -= frame.below_hard_fp_saved_regs_size; -- else -- offset += frame.bytes_below_saved_regs; -+ offset -= frame.bytes_below_hard_fp; - - /* Check that we can access the stack slot of the register with one - direct load with no adjustments needed. */ -@@ -8425,9 +8423,7 @@ aarch64_process_components (sbitmap components, bool prologue_p) - rtx reg = gen_rtx_REG (mode, regno); - poly_int64 offset = frame.reg_offset[regno]; - if (frame_pointer_needed) -- offset -= frame.below_hard_fp_saved_regs_size; -- else -- offset += frame.bytes_below_saved_regs; -+ offset -= frame.bytes_below_hard_fp; - - rtx addr = plus_constant (Pmode, ptr_reg, offset); - rtx mem = gen_frame_mem (mode, addr); -@@ -8479,9 +8475,7 @@ aarch64_process_components (sbitmap components, bool prologue_p) - /* REGNO2 can be saved/restored in a pair with REGNO. */ - rtx reg2 = gen_rtx_REG (mode, regno2); - if (frame_pointer_needed) -- offset2 -= frame.below_hard_fp_saved_regs_size; -- else -- offset2 += frame.bytes_below_saved_regs; -+ offset2 -= frame.bytes_below_hard_fp; - rtx addr2 = plus_constant (Pmode, ptr_reg, offset2); - rtx mem2 = gen_frame_mem (mode, addr2); - rtx set2 = prologue_p ? gen_rtx_SET (mem2, reg2) -@@ -8597,7 +8591,8 @@ aarch64_allocate_and_probe_stack_space (rtx temp1, rtx temp2, - if (final_adjustment_p - && known_eq (frame.below_hard_fp_saved_regs_size, 0)) - { -- poly_int64 lr_offset = frame.reg_offset[LR_REGNUM]; -+ poly_int64 lr_offset = (frame.reg_offset[LR_REGNUM] -+ - frame.bytes_below_saved_regs); - if (known_ge (lr_offset, 0)) - min_probe_threshold -= lr_offset.to_constant (); - else -diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h -index 82883ad5a0d8..c8ec3d584957 100644 ---- a/gcc/config/aarch64/aarch64.h -+++ b/gcc/config/aarch64/aarch64.h -@@ -826,6 +826,9 @@ extern enum aarch64_processor aarch64_tune; - #ifdef HAVE_POLY_INT_H - struct GTY (()) aarch64_frame - { -+ /* The offset from the bottom of the static frame (the bottom of the -+ outgoing arguments) of each register save slot, or -2 if no save is -+ needed. */ - poly_int64 reg_offset[LAST_SAVED_REGNUM + 1]; - - /* The number of extra stack bytes taken up by register varargs. --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0022-aarch64-Simplify-top-of-frame-allocation.patch b/packages/gcc/11.4.0/0022-aarch64-Simplify-top-of-frame-allocation.patch deleted file mode 100644 index 0f50f4d0..00000000 --- a/packages/gcc/11.4.0/0022-aarch64-Simplify-top-of-frame-allocation.patch +++ /dev/null @@ -1,55 +0,0 @@ -From 8b664cc8f05c8130e8ca73a59ae2751cdef8a0ea Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:48 +0100 -Subject: [PATCH 22/29] aarch64: Simplify top of frame allocation - -After previous patches, it no longer really makes sense to allocate -the top of the frame in terms of varargs_and_saved_regs_size and -saved_regs_and_above. - -gcc/ - * config/aarch64/aarch64.c (aarch64_layout_frame): Simplify - the allocation of the top of the frame. ---- - gcc/config/aarch64/aarch64.c | 23 ++++++++--------------- - 1 file changed, 8 insertions(+), 15 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index 45ff664cba6b..779547d03447 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -7584,23 +7584,16 @@ aarch64_layout_frame (void) - - frame.saved_regs_size = offset - frame.bytes_below_saved_regs; - -- poly_int64 varargs_and_saved_regs_size -- = frame.saved_regs_size + frame.saved_varargs_size; -+ offset += get_frame_size (); -+ offset = aligned_upper_bound (offset, STACK_BOUNDARY / BITS_PER_UNIT); -+ auto top_of_locals = offset; - -- poly_int64 saved_regs_and_above -- = aligned_upper_bound (varargs_and_saved_regs_size -- + get_frame_size (), -- STACK_BOUNDARY / BITS_PER_UNIT); -+ offset += frame.saved_varargs_size; -+ gcc_assert (multiple_p (offset, STACK_BOUNDARY / BITS_PER_UNIT)); -+ frame.frame_size = offset; - -- frame.bytes_above_hard_fp -- = saved_regs_and_above - frame.below_hard_fp_saved_regs_size; -- -- /* Both these values are already aligned. */ -- gcc_assert (multiple_p (frame.bytes_below_saved_regs, -- STACK_BOUNDARY / BITS_PER_UNIT)); -- frame.frame_size = saved_regs_and_above + frame.bytes_below_saved_regs; -- -- frame.bytes_above_locals = frame.saved_varargs_size; -+ frame.bytes_above_hard_fp = frame.frame_size - frame.bytes_below_hard_fp; -+ frame.bytes_above_locals = frame.frame_size - top_of_locals; - - frame.initial_adjust = 0; - frame.final_adjust = 0; --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0023-aarch64-Minor-initial-adjustment-tweak.patch b/packages/gcc/11.4.0/0023-aarch64-Minor-initial-adjustment-tweak.patch deleted file mode 100644 index 89ee42e6..00000000 --- a/packages/gcc/11.4.0/0023-aarch64-Minor-initial-adjustment-tweak.patch +++ /dev/null @@ -1,38 +0,0 @@ -From bb4600071acc3a02db4f37ffb95c8495ad76a140 Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:49 +0100 -Subject: [PATCH 23/29] aarch64: Minor initial adjustment tweak - -This patch just changes a calculation of initial_adjust -to one that makes it slightly more obvious that the total -adjustment is frame.frame_size. - -gcc/ - * config/aarch64/aarch64.c (aarch64_layout_frame): Tweak - calculation of initial_adjust for frames in which all saves - are SVE saves. ---- - gcc/config/aarch64/aarch64.c | 5 ++--- - 1 file changed, 2 insertions(+), 3 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index 779547d03447..0b8992ada747 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -7645,11 +7645,10 @@ aarch64_layout_frame (void) - { - /* Frame in which all saves are SVE saves: - -- sub sp, sp, hard_fp_offset + below_hard_fp_saved_regs_size -+ sub sp, sp, frame_size - bytes_below_saved_regs - save SVE registers relative to SP - sub sp, sp, bytes_below_saved_regs */ -- frame.initial_adjust = (frame.bytes_above_hard_fp -- + frame.below_hard_fp_saved_regs_size); -+ frame.initial_adjust = frame.frame_size - frame.bytes_below_saved_regs; - frame.final_adjust = frame.bytes_below_saved_regs; - } - else if (frame.bytes_above_hard_fp.is_constant (&const_above_fp) --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0024-aarch64-Tweak-stack-clash-boundary-condition.patch b/packages/gcc/11.4.0/0024-aarch64-Tweak-stack-clash-boundary-condition.patch deleted file mode 100644 index eb77ea72..00000000 --- a/packages/gcc/11.4.0/0024-aarch64-Tweak-stack-clash-boundary-condition.patch +++ /dev/null @@ -1,125 +0,0 @@ -From f22329d5efbacf80edf4a2d45ebadd93f283252c Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:49 +0100 -Subject: [PATCH 24/29] aarch64: Tweak stack clash boundary condition - -The AArch64 ABI says that, when stack clash protection is used, -there can be a maximum of 1KiB of unprobed space at sp on entry -to a function. Therefore, we need to probe when allocating ->= guard_size - 1KiB of data (>= rather than >). This is what -GCC does. - -If an allocation is exactly guard_size bytes, it is enough to allocate -those bytes and probe once at offset 1024. It isn't possible to use a -single probe at any other offset: higher would conmplicate later code, -by leaving more unprobed space than usual, while lower would risk -leaving an entire page unprobed. For simplicity, the code probes all -allocations at offset 1024. - -Some register saves also act as probes. If we need to allocate -more space below the last such register save probe, we need to -probe the allocation if it is > 1KiB. Again, this allocation is -then sometimes (but not always) probed at offset 1024. This sort of -allocation is currently only used for outgoing arguments, which are -rarely this big. - -However, the code also probed if this final outgoing-arguments -allocation was == 1KiB, rather than just > 1KiB. This isn't -necessary, since the register save then probes at offset 1024 -as required. Continuing to probe allocations of exactly 1KiB -would complicate later patches. - -gcc/ - * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): - Don't probe final allocations that are exactly 1KiB in size (after - unprobed space above the final allocation has been deducted). - -gcc/testsuite/ - * gcc.target/aarch64/stack-check-prologue-17.c: New test. ---- - gcc/config/aarch64/aarch64.c | 4 +- - .../aarch64/stack-check-prologue-17.c | 55 +++++++++++++++++++ - 2 files changed, 58 insertions(+), 1 deletion(-) - create mode 100644 gcc/testsuite/gcc.target/aarch64/stack-check-prologue-17.c - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index 0b8992ada747..bfd248761951 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -8564,9 +8564,11 @@ aarch64_allocate_and_probe_stack_space (rtx temp1, rtx temp2, - HOST_WIDE_INT guard_size - = 1 << param_stack_clash_protection_guard_size; - HOST_WIDE_INT guard_used_by_caller = STACK_CLASH_CALLER_GUARD; -+ HOST_WIDE_INT byte_sp_alignment = STACK_BOUNDARY / BITS_PER_UNIT; -+ gcc_assert (multiple_p (poly_size, byte_sp_alignment)); - HOST_WIDE_INT min_probe_threshold - = (final_adjustment_p -- ? guard_used_by_caller -+ ? guard_used_by_caller + byte_sp_alignment - : guard_size - guard_used_by_caller); - /* When doing the final adjustment for the outgoing arguments, take into - account any unprobed space there is above the current SP. There are -diff --git a/gcc/testsuite/gcc.target/aarch64/stack-check-prologue-17.c b/gcc/testsuite/gcc.target/aarch64/stack-check-prologue-17.c -new file mode 100644 -index 000000000000..0d8a25d73a24 ---- /dev/null -+++ b/gcc/testsuite/gcc.target/aarch64/stack-check-prologue-17.c -@@ -0,0 +1,55 @@ -+/* { dg-options "-O2 -fstack-clash-protection -fomit-frame-pointer --param stack-clash-protection-guard-size=12" } */ -+/* { dg-final { check-function-bodies "**" "" } } */ -+ -+void f(int, ...); -+void g(); -+ -+/* -+** test1: -+** ... -+** str x30, \[sp\] -+** sub sp, sp, #1024 -+** cbnz w0, .* -+** bl g -+** ... -+*/ -+int test1(int z) { -+ __uint128_t x = 0; -+ int y[0x400]; -+ if (z) -+ { -+ f(0, 0, 0, 0, 0, 0, 0, &y, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x); -+ } -+ g(); -+ return 1; -+} -+ -+/* -+** test2: -+** ... -+** str x30, \[sp\] -+** sub sp, sp, #1040 -+** str xzr, \[sp\] -+** cbnz w0, .* -+** bl g -+** ... -+*/ -+int test2(int z) { -+ __uint128_t x = 0; -+ int y[0x400]; -+ if (z) -+ { -+ f(0, 0, 0, 0, 0, 0, 0, &y, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x); -+ } -+ g(); -+ return 1; -+} --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0025-aarch64-Put-LR-save-probe-in-first-16-bytes.patch b/packages/gcc/11.4.0/0025-aarch64-Put-LR-save-probe-in-first-16-bytes.patch deleted file mode 100644 index ca10742e..00000000 --- a/packages/gcc/11.4.0/0025-aarch64-Put-LR-save-probe-in-first-16-bytes.patch +++ /dev/null @@ -1,263 +0,0 @@ -From 174a9747491e591ef2abb3e20a0332303f11003a Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:49 +0100 -Subject: [PATCH 25/29] aarch64: Put LR save probe in first 16 bytes - --fstack-clash-protection uses the save of LR as a probe for the next -allocation. The next allocation could be: - -* another part of the static frame, e.g. when allocating SVE save slots - or outgoing arguments - -* an alloca in the same function - -* an allocation made by a callee function - -However, when -fomit-frame-pointer is used, the LR save slot is placed -above the other GPR save slots. It could therefore be up to 80 bytes -above the base of the GPR save area (which is also the hard fp address). - -aarch64_allocate_and_probe_stack_space took this into account when -deciding how much subsequent space could be allocated without needing -a probe. However, it interacted badly with: - - /* If doing a small final adjustment, we always probe at offset 0. - This is done to avoid issues when LR is not at position 0 or when - the final adjustment is smaller than the probing offset. */ - else if (final_adjustment_p && rounded_size == 0) - residual_probe_offset = 0; - -which forces any allocation that is smaller than the guard page size -to be probed at offset 0 rather than the usual offset 1024. It was -therefore possible to construct cases in which we had: - -* a probe using LR at SP + 80 bytes (or some other value >= 16) -* an allocation of the guard page size - 16 bytes -* a probe at SP + 0 - -which allocates guard page size + 64 consecutive unprobed bytes. - -This patch requires the LR probe to be in the first 16 bytes of the -save area when stack clash protection is active. Doing it -unconditionally would cause code-quality regressions, but a later -patch deals with that. - -The new comment doesn't say that the probe register is required -to be LR, since a later patch removes that restriction. - -gcc/ - * config/aarch64/aarch64.c (aarch64_layout_frame): Ensure that - the LR save slot is in the first 16 bytes of the register save area. - (aarch64_allocate_and_probe_stack_space): Remove workaround for - when LR was not in the first 16 bytes. - -gcc/testsuite/ - * gcc.target/aarch64/stack-check-prologue-18.c: New test. ---- - gcc/config/aarch64/aarch64.c | 61 ++++------- - .../aarch64/stack-check-prologue-18.c | 100 ++++++++++++++++++ - 2 files changed, 123 insertions(+), 38 deletions(-) - create mode 100644 gcc/testsuite/gcc.target/aarch64/stack-check-prologue-18.c - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index bfd248761951..3f2b10de987d 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -7532,26 +7532,34 @@ aarch64_layout_frame (void) - bool saves_below_hard_fp_p - = maybe_ne (frame.below_hard_fp_saved_regs_size, 0); - frame.bytes_below_hard_fp = offset; -+ -+ auto allocate_gpr_slot = [&](unsigned int regno) -+ { -+ frame.reg_offset[regno] = offset; -+ if (frame.wb_candidate1 == INVALID_REGNUM) -+ frame.wb_candidate1 = regno; -+ else if (frame.wb_candidate2 == INVALID_REGNUM) -+ frame.wb_candidate2 = regno; -+ offset += UNITS_PER_WORD; -+ }; -+ - if (frame.emit_frame_chain) - { - /* FP and LR are placed in the linkage record. */ -- frame.reg_offset[R29_REGNUM] = offset; -- frame.wb_candidate1 = R29_REGNUM; -- frame.reg_offset[R30_REGNUM] = offset + UNITS_PER_WORD; -- frame.wb_candidate2 = R30_REGNUM; -- offset += 2 * UNITS_PER_WORD; -+ allocate_gpr_slot (R29_REGNUM); -+ allocate_gpr_slot (R30_REGNUM); - } -+ else if (flag_stack_clash_protection -+ && known_eq (frame.reg_offset[R30_REGNUM], SLOT_REQUIRED)) -+ /* Put the LR save slot first, since it makes a good choice of probe -+ for stack clash purposes. The idea is that the link register usually -+ has to be saved before a call anyway, and so we lose little by -+ stopping it from being individually shrink-wrapped. */ -+ allocate_gpr_slot (R30_REGNUM); - - for (regno = R0_REGNUM; regno <= R30_REGNUM; regno++) - if (known_eq (frame.reg_offset[regno], SLOT_REQUIRED)) -- { -- frame.reg_offset[regno] = offset; -- if (frame.wb_candidate1 == INVALID_REGNUM) -- frame.wb_candidate1 = regno; -- else if (frame.wb_candidate2 == INVALID_REGNUM) -- frame.wb_candidate2 = regno; -- offset += UNITS_PER_WORD; -- } -+ allocate_gpr_slot (regno); - - poly_int64 max_int_offset = offset; - offset = aligned_upper_bound (offset, STACK_BOUNDARY / BITS_PER_UNIT); -@@ -8570,29 +8578,6 @@ aarch64_allocate_and_probe_stack_space (rtx temp1, rtx temp2, - = (final_adjustment_p - ? guard_used_by_caller + byte_sp_alignment - : guard_size - guard_used_by_caller); -- /* When doing the final adjustment for the outgoing arguments, take into -- account any unprobed space there is above the current SP. There are -- two cases: -- -- - When saving SVE registers below the hard frame pointer, we force -- the lowest save to take place in the prologue before doing the final -- adjustment (i.e. we don't allow the save to be shrink-wrapped). -- This acts as a probe at SP, so there is no unprobed space. -- -- - When there are no SVE register saves, we use the store of the link -- register as a probe. We can't assume that LR was saved at position 0 -- though, so treat any space below it as unprobed. */ -- if (final_adjustment_p -- && known_eq (frame.below_hard_fp_saved_regs_size, 0)) -- { -- poly_int64 lr_offset = (frame.reg_offset[LR_REGNUM] -- - frame.bytes_below_saved_regs); -- if (known_ge (lr_offset, 0)) -- min_probe_threshold -= lr_offset.to_constant (); -- else -- gcc_assert (!flag_stack_clash_protection || known_eq (poly_size, 0)); -- } -- - poly_int64 frame_size = frame.frame_size; - - /* We should always have a positive probe threshold. */ -@@ -8772,8 +8757,8 @@ aarch64_allocate_and_probe_stack_space (rtx temp1, rtx temp2, - if (final_adjustment_p && rounded_size != 0) - min_probe_threshold = 0; - /* If doing a small final adjustment, we always probe at offset 0. -- This is done to avoid issues when LR is not at position 0 or when -- the final adjustment is smaller than the probing offset. */ -+ This is done to avoid issues when the final adjustment is smaller -+ than the probing offset. */ - else if (final_adjustment_p && rounded_size == 0) - residual_probe_offset = 0; - -diff --git a/gcc/testsuite/gcc.target/aarch64/stack-check-prologue-18.c b/gcc/testsuite/gcc.target/aarch64/stack-check-prologue-18.c -new file mode 100644 -index 000000000000..82447d20fff5 ---- /dev/null -+++ b/gcc/testsuite/gcc.target/aarch64/stack-check-prologue-18.c -@@ -0,0 +1,100 @@ -+/* { dg-options "-O2 -fstack-clash-protection -fomit-frame-pointer --param stack-clash-protection-guard-size=12" } */ -+/* { dg-final { check-function-bodies "**" "" } } */ -+ -+void f(int, ...); -+void g(); -+ -+/* -+** test1: -+** ... -+** str x30, \[sp\] -+** sub sp, sp, #4064 -+** str xzr, \[sp\] -+** cbnz w0, .* -+** bl g -+** ... -+** str x26, \[sp, #?4128\] -+** ... -+*/ -+int test1(int z) { -+ __uint128_t x = 0; -+ int y[0x400]; -+ if (z) -+ { -+ asm volatile ("" ::: -+ "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26"); -+ f(0, 0, 0, 0, 0, 0, 0, &y, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x); -+ } -+ g(); -+ return 1; -+} -+ -+/* -+** test2: -+** ... -+** str x30, \[sp\] -+** sub sp, sp, #1040 -+** str xzr, \[sp\] -+** cbnz w0, .* -+** bl g -+** ... -+*/ -+int test2(int z) { -+ __uint128_t x = 0; -+ int y[0x400]; -+ if (z) -+ { -+ asm volatile ("" ::: -+ "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26"); -+ f(0, 0, 0, 0, 0, 0, 0, &y, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x); -+ } -+ g(); -+ return 1; -+} -+ -+/* -+** test3: -+** ... -+** str x30, \[sp\] -+** sub sp, sp, #1024 -+** cbnz w0, .* -+** bl g -+** ... -+*/ -+int test3(int z) { -+ __uint128_t x = 0; -+ int y[0x400]; -+ if (z) -+ { -+ asm volatile ("" ::: -+ "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26"); -+ f(0, 0, 0, 0, 0, 0, 0, &y, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, -+ x, x, x, x, x, x, x, x, x, x, x, x, x, x, x, x); -+ } -+ g(); -+ return 1; -+} --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0026-aarch64-Simplify-probe-of-final-frame-allocation.patch b/packages/gcc/11.4.0/0026-aarch64-Simplify-probe-of-final-frame-allocation.patch deleted file mode 100644 index f3cfd734..00000000 --- a/packages/gcc/11.4.0/0026-aarch64-Simplify-probe-of-final-frame-allocation.patch +++ /dev/null @@ -1,99 +0,0 @@ -From e932e11c353be52256dd30d30d924f4e834e3ca3 Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:51 +0100 -Subject: [PATCH 26/29] aarch64: Simplify probe of final frame allocation - -Previous patches ensured that the final frame allocation only needs -a probe when the size is strictly greater than 1KiB. It's therefore -safe to use the normal 1024 probe offset in all cases. - -The main motivation for doing this is to simplify the code and -remove the number of special cases. - -gcc/ - * config/aarch64/aarch64.c (aarch64_allocate_and_probe_stack_space): - Always probe the residual allocation at offset 1024, asserting - that that is in range. - -gcc/testsuite/ - * gcc.target/aarch64/stack-check-prologue-17.c: Expect the probe - to be at offset 1024 rather than offset 0. - * gcc.target/aarch64/stack-check-prologue-18.c: Likewise. ---- - gcc/config/aarch64/aarch64.c | 12 ++++-------- - .../gcc.target/aarch64/stack-check-prologue-17.c | 2 +- - .../gcc.target/aarch64/stack-check-prologue-18.c | 4 ++-- - 3 files changed, 7 insertions(+), 11 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index 3f2b10de987d..4b9cd687525e 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -8751,16 +8751,12 @@ aarch64_allocate_and_probe_stack_space (rtx temp1, rtx temp2, - are still safe. */ - if (residual) - { -- HOST_WIDE_INT residual_probe_offset = guard_used_by_caller; -+ gcc_assert (guard_used_by_caller + byte_sp_alignment <= size); -+ - /* If we're doing final adjustments, and we've done any full page - allocations then any residual needs to be probed. */ - if (final_adjustment_p && rounded_size != 0) - min_probe_threshold = 0; -- /* If doing a small final adjustment, we always probe at offset 0. -- This is done to avoid issues when the final adjustment is smaller -- than the probing offset. */ -- else if (final_adjustment_p && rounded_size == 0) -- residual_probe_offset = 0; - - aarch64_sub_sp (temp1, temp2, residual, frame_related_p); - if (residual >= min_probe_threshold) -@@ -8771,8 +8767,8 @@ aarch64_allocate_and_probe_stack_space (rtx temp1, rtx temp2, - HOST_WIDE_INT_PRINT_DEC " bytes, probing will be required." - "\n", residual); - -- emit_stack_probe (plus_constant (Pmode, stack_pointer_rtx, -- residual_probe_offset)); -+ emit_stack_probe (plus_constant (Pmode, stack_pointer_rtx, -+ guard_used_by_caller)); - emit_insn (gen_blockage ()); - } - } -diff --git a/gcc/testsuite/gcc.target/aarch64/stack-check-prologue-17.c b/gcc/testsuite/gcc.target/aarch64/stack-check-prologue-17.c -index 0d8a25d73a24..f0ec1389771d 100644 ---- a/gcc/testsuite/gcc.target/aarch64/stack-check-prologue-17.c -+++ b/gcc/testsuite/gcc.target/aarch64/stack-check-prologue-17.c -@@ -33,7 +33,7 @@ int test1(int z) { - ** ... - ** str x30, \[sp\] - ** sub sp, sp, #1040 --** str xzr, \[sp\] -+** str xzr, \[sp, #?1024\] - ** cbnz w0, .* - ** bl g - ** ... -diff --git a/gcc/testsuite/gcc.target/aarch64/stack-check-prologue-18.c b/gcc/testsuite/gcc.target/aarch64/stack-check-prologue-18.c -index 82447d20fff5..6383bec5ebcd 100644 ---- a/gcc/testsuite/gcc.target/aarch64/stack-check-prologue-18.c -+++ b/gcc/testsuite/gcc.target/aarch64/stack-check-prologue-18.c -@@ -9,7 +9,7 @@ void g(); - ** ... - ** str x30, \[sp\] - ** sub sp, sp, #4064 --** str xzr, \[sp\] -+** str xzr, \[sp, #?1024\] - ** cbnz w0, .* - ** bl g - ** ... -@@ -50,7 +50,7 @@ int test1(int z) { - ** ... - ** str x30, \[sp\] - ** sub sp, sp, #1040 --** str xzr, \[sp\] -+** str xzr, \[sp, #?1024\] - ** cbnz w0, .* - ** bl g - ** ... --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0027-aarch64-Explicitly-record-probe-registers-in-frame-i.patch b/packages/gcc/11.4.0/0027-aarch64-Explicitly-record-probe-registers-in-frame-i.patch deleted file mode 100644 index 29e673a6..00000000 --- a/packages/gcc/11.4.0/0027-aarch64-Explicitly-record-probe-registers-in-frame-i.patch +++ /dev/null @@ -1,278 +0,0 @@ -From 9ed9fd54b2b471745c9489e83496c091a7b64904 Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:52 +0100 -Subject: [PATCH 27/29] aarch64: Explicitly record probe registers in frame - info - -The stack frame is currently divided into three areas: - -A: the area above the hard frame pointer -B: the SVE saves below the hard frame pointer -C: the outgoing arguments - -If the stack frame is allocated in one chunk, the allocation needs a -probe if the frame size is >= guard_size - 1KiB. In addition, if the -function is not a leaf function, it must probe an address no more than -1KiB above the outgoing SP. We ensured the second condition by - -(1) using single-chunk allocations for non-leaf functions only if - the link register save slot is within 512 bytes of the bottom - of the frame; and - -(2) using the link register save as a probe (meaning, for instance, - that it can't be individually shrink wrapped) - -If instead the stack is allocated in multiple chunks, then: - -* an allocation involving only the outgoing arguments (C above) requires - a probe if the allocation size is > 1KiB - -* any other allocation requires a probe if the allocation size - is >= guard_size - 1KiB - -* second and subsequent allocations require the previous allocation - to probe at the bottom of the allocated area, regardless of the size - of that previous allocation - -The final point means that, unlike for single allocations, -it can be necessary to have both a non-SVE register probe and -an SVE register probe. For example: - -* allocate A, probe using a non-SVE register save -* allocate B, probe using an SVE register save -* allocate C - -The non-SVE register used in this case was again the link register. -It was previously used even if the link register save slot was some -bytes above the bottom of the non-SVE register saves, but an earlier -patch avoided that by putting the link register save slot first. - -As a belt-and-braces fix, this patch explicitly records which -probe registers we're using and allows the non-SVE probe to be -whichever register comes first (as for SVE). - -The patch also avoids unnecessary probes in sve/pcs/stack_clash_3.c. - -gcc/ - * config/aarch64/aarch64.h (aarch64_frame::sve_save_and_probe) - (aarch64_frame::hard_fp_save_and_probe): New fields. - * config/aarch64/aarch64.c (aarch64_layout_frame): Initialize them. - Rather than asserting that a leaf function saves LR, instead assert - that a leaf function saves something. - (aarch64_get_separate_components): Prevent the chosen probe - registers from being individually shrink-wrapped. - (aarch64_allocate_and_probe_stack_space): Remove workaround for - probe registers that aren't at the bottom of the previous allocation. - -gcc/testsuite/ - * gcc.target/aarch64/sve/pcs/stack_clash_3.c: Avoid redundant probes. ---- - gcc/config/aarch64/aarch64.c | 68 +++++++++++++++---- - gcc/config/aarch64/aarch64.h | 8 +++ - .../aarch64/sve/pcs/stack_clash_3.c | 6 +- - 3 files changed, 64 insertions(+), 18 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index 4b9cd687525e..ef4b3b671ba2 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -7469,15 +7469,11 @@ aarch64_layout_frame (void) - && !crtl->abi->clobbers_full_reg_p (regno)) - frame.reg_offset[regno] = SLOT_REQUIRED; - -- /* With stack-clash, LR must be saved in non-leaf functions. The saving of -- LR counts as an implicit probe which allows us to maintain the invariant -- described in the comment at expand_prologue. */ -- gcc_assert (crtl->is_leaf -- || maybe_ne (frame.reg_offset[R30_REGNUM], SLOT_NOT_REQUIRED)); - - poly_int64 offset = crtl->outgoing_args_size; - gcc_assert (multiple_p (offset, STACK_BOUNDARY / BITS_PER_UNIT)); - frame.bytes_below_saved_regs = offset; -+ frame.sve_save_and_probe = INVALID_REGNUM; - - /* Now assign stack slots for the registers. Start with the predicate - registers, since predicate LDR and STR have a relatively small -@@ -7485,6 +7481,8 @@ aarch64_layout_frame (void) - for (regno = P0_REGNUM; regno <= P15_REGNUM; regno++) - if (known_eq (frame.reg_offset[regno], SLOT_REQUIRED)) - { -+ if (frame.sve_save_and_probe == INVALID_REGNUM) -+ frame.sve_save_and_probe = regno; - frame.reg_offset[regno] = offset; - offset += BYTES_PER_SVE_PRED; - } -@@ -7522,6 +7520,8 @@ aarch64_layout_frame (void) - for (regno = V0_REGNUM; regno <= V31_REGNUM; regno++) - if (known_eq (frame.reg_offset[regno], SLOT_REQUIRED)) - { -+ if (frame.sve_save_and_probe == INVALID_REGNUM) -+ frame.sve_save_and_probe = regno; - frame.reg_offset[regno] = offset; - offset += vector_save_size; - } -@@ -7531,10 +7531,18 @@ aarch64_layout_frame (void) - frame.below_hard_fp_saved_regs_size = offset - frame.bytes_below_saved_regs; - bool saves_below_hard_fp_p - = maybe_ne (frame.below_hard_fp_saved_regs_size, 0); -+ gcc_assert (!saves_below_hard_fp_p -+ || (frame.sve_save_and_probe != INVALID_REGNUM -+ && known_eq (frame.reg_offset[frame.sve_save_and_probe], -+ frame.bytes_below_saved_regs))); -+ - frame.bytes_below_hard_fp = offset; -+ frame.hard_fp_save_and_probe = INVALID_REGNUM; - - auto allocate_gpr_slot = [&](unsigned int regno) - { -+ if (frame.hard_fp_save_and_probe == INVALID_REGNUM) -+ frame.hard_fp_save_and_probe = regno; - frame.reg_offset[regno] = offset; - if (frame.wb_candidate1 == INVALID_REGNUM) - frame.wb_candidate1 = regno; -@@ -7568,6 +7576,8 @@ aarch64_layout_frame (void) - for (regno = V0_REGNUM; regno <= V31_REGNUM; regno++) - if (known_eq (frame.reg_offset[regno], SLOT_REQUIRED)) - { -+ if (frame.hard_fp_save_and_probe == INVALID_REGNUM) -+ frame.hard_fp_save_and_probe = regno; - /* If there is an alignment gap between integer and fp callee-saves, - allocate the last fp register to it if possible. */ - if (regno == last_fp_reg -@@ -7591,6 +7601,17 @@ aarch64_layout_frame (void) - offset = aligned_upper_bound (offset, STACK_BOUNDARY / BITS_PER_UNIT); - - frame.saved_regs_size = offset - frame.bytes_below_saved_regs; -+ gcc_assert (known_eq (frame.saved_regs_size, -+ frame.below_hard_fp_saved_regs_size) -+ || (frame.hard_fp_save_and_probe != INVALID_REGNUM -+ && known_eq (frame.reg_offset[frame.hard_fp_save_and_probe], -+ frame.bytes_below_hard_fp))); -+ -+ /* With stack-clash, a register must be saved in non-leaf functions. -+ The saving of the bottommost register counts as an implicit probe, -+ which allows us to maintain the invariant described in the comment -+ at expand_prologue. */ -+ gcc_assert (crtl->is_leaf || maybe_ne (frame.saved_regs_size, 0)); - - offset += get_frame_size (); - offset = aligned_upper_bound (offset, STACK_BOUNDARY / BITS_PER_UNIT); -@@ -7690,6 +7711,25 @@ aarch64_layout_frame (void) - frame.final_adjust = frame.bytes_below_saved_regs; - } - -+ /* The frame is allocated in pieces, with each non-final piece -+ including a register save at offset 0 that acts as a probe for -+ the following piece. In addition, the save of the bottommost register -+ acts as a probe for callees and allocas. Roll back any probes that -+ aren't needed. -+ -+ A probe isn't needed if it is associated with the final allocation -+ (including callees and allocas) that happens before the epilogue is -+ executed. */ -+ if (crtl->is_leaf -+ && !cfun->calls_alloca -+ && known_eq (frame.final_adjust, 0)) -+ { -+ if (maybe_ne (frame.sve_callee_adjust, 0)) -+ frame.sve_save_and_probe = INVALID_REGNUM; -+ else -+ frame.hard_fp_save_and_probe = INVALID_REGNUM; -+ } -+ - /* Make sure the individual adjustments add up to the full frame size. */ - gcc_assert (known_eq (frame.initial_adjust - + frame.callee_adjust -@@ -8267,13 +8307,6 @@ aarch64_get_separate_components (void) - - poly_int64 offset = frame.reg_offset[regno]; - -- /* If the register is saved in the first SVE save slot, we use -- it as a stack probe for -fstack-clash-protection. */ -- if (flag_stack_clash_protection -- && maybe_ne (frame.below_hard_fp_saved_regs_size, 0) -- && known_eq (offset, frame.bytes_below_saved_regs)) -- continue; -- - /* Get the offset relative to the register we'll use. */ - if (frame_pointer_needed) - offset -= frame.bytes_below_hard_fp; -@@ -8308,6 +8341,13 @@ aarch64_get_separate_components (void) - - bitmap_clear_bit (components, LR_REGNUM); - bitmap_clear_bit (components, SP_REGNUM); -+ if (flag_stack_clash_protection) -+ { -+ if (frame.sve_save_and_probe != INVALID_REGNUM) -+ bitmap_clear_bit (components, frame.sve_save_and_probe); -+ if (frame.hard_fp_save_and_probe != INVALID_REGNUM) -+ bitmap_clear_bit (components, frame.hard_fp_save_and_probe); -+ } - - return components; - } -@@ -8844,8 +8884,8 @@ aarch64_epilogue_uses (int regno) - When probing is needed, we emit a probe at the start of the prologue - and every PARAM_STACK_CLASH_PROTECTION_GUARD_SIZE bytes thereafter. - -- We have to track how much space has been allocated and the only stores -- to the stack we track as implicit probes are the FP/LR stores. -+ We can also use register saves as probes. These are stored in -+ sve_save_and_probe and hard_fp_save_and_probe. - - For outgoing arguments we probe if the size is larger than 1KB, such that - the ABI specified buffer is maintained for the next callee. -diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h -index c8ec3d584957..97173e48598b 100644 ---- a/gcc/config/aarch64/aarch64.h -+++ b/gcc/config/aarch64/aarch64.h -@@ -911,6 +911,14 @@ struct GTY (()) aarch64_frame - This is the register they should use. */ - unsigned spare_pred_reg; - -+ /* An SVE register that is saved below the hard frame pointer and that acts -+ as a probe for later allocations, or INVALID_REGNUM if none. */ -+ unsigned sve_save_and_probe; -+ -+ /* A register that is saved at the hard frame pointer and that acts -+ as a probe for later allocations, or INVALID_REGNUM if none. */ -+ unsigned hard_fp_save_and_probe; -+ - bool laid_out; - }; - -diff --git a/gcc/testsuite/gcc.target/aarch64/sve/pcs/stack_clash_3.c b/gcc/testsuite/gcc.target/aarch64/sve/pcs/stack_clash_3.c -index 3e01ec36c3a4..3530a0d504ba 100644 ---- a/gcc/testsuite/gcc.target/aarch64/sve/pcs/stack_clash_3.c -+++ b/gcc/testsuite/gcc.target/aarch64/sve/pcs/stack_clash_3.c -@@ -11,11 +11,10 @@ - ** mov x11, sp - ** ... - ** sub sp, sp, x13 --** str p4, \[sp\] - ** cbz w0, [^\n]* -+** str p4, \[sp\] - ** ... - ** ptrue p0\.b, all --** ldr p4, \[sp\] - ** addvl sp, sp, #1 - ** ldr x24, \[sp\], 32 - ** ret -@@ -39,13 +38,12 @@ test_1 (int n) - ** mov x11, sp - ** ... - ** sub sp, sp, x13 --** str p4, \[sp\] - ** cbz w0, [^\n]* -+** str p4, \[sp\] - ** str p5, \[sp, #1, mul vl\] - ** str p6, \[sp, #2, mul vl\] - ** ... - ** ptrue p0\.b, all --** ldr p4, \[sp\] - ** addvl sp, sp, #1 - ** ldr x24, \[sp\], 32 - ** ret --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0028-aarch64-Remove-below_hard_fp_saved_regs_size.patch b/packages/gcc/11.4.0/0028-aarch64-Remove-below_hard_fp_saved_regs_size.patch deleted file mode 100644 index 6019b6ea..00000000 --- a/packages/gcc/11.4.0/0028-aarch64-Remove-below_hard_fp_saved_regs_size.patch +++ /dev/null @@ -1,157 +0,0 @@ -From 4bbf7b6cdd02b0d547ddd6a630f2065680bf2f6b Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:52 +0100 -Subject: [PATCH 28/29] aarch64: Remove below_hard_fp_saved_regs_size - -After previous patches, it's no longer necessary to store -saved_regs_size and below_hard_fp_saved_regs_size in the frame info. -All measurements instead use the top or bottom of the frame as -reference points. - -gcc/ - * config/aarch64/aarch64.h (aarch64_frame::saved_regs_size) - (aarch64_frame::below_hard_fp_saved_regs_size): Delete. - * config/aarch64/aarch64.c (aarch64_layout_frame): Update accordingly. ---- - gcc/config/aarch64/aarch64.c | 45 +++++++++++++++++------------------- - gcc/config/aarch64/aarch64.h | 7 ------ - 2 files changed, 21 insertions(+), 31 deletions(-) - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index ef4b3b671ba2..385718a475b6 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -7528,9 +7528,8 @@ aarch64_layout_frame (void) - - /* OFFSET is now the offset of the hard frame pointer from the bottom - of the callee save area. */ -- frame.below_hard_fp_saved_regs_size = offset - frame.bytes_below_saved_regs; -- bool saves_below_hard_fp_p -- = maybe_ne (frame.below_hard_fp_saved_regs_size, 0); -+ auto below_hard_fp_saved_regs_size = offset - frame.bytes_below_saved_regs; -+ bool saves_below_hard_fp_p = maybe_ne (below_hard_fp_saved_regs_size, 0); - gcc_assert (!saves_below_hard_fp_p - || (frame.sve_save_and_probe != INVALID_REGNUM - && known_eq (frame.reg_offset[frame.sve_save_and_probe], -@@ -7600,9 +7599,8 @@ aarch64_layout_frame (void) - - offset = aligned_upper_bound (offset, STACK_BOUNDARY / BITS_PER_UNIT); - -- frame.saved_regs_size = offset - frame.bytes_below_saved_regs; -- gcc_assert (known_eq (frame.saved_regs_size, -- frame.below_hard_fp_saved_regs_size) -+ auto saved_regs_size = offset - frame.bytes_below_saved_regs; -+ gcc_assert (known_eq (saved_regs_size, below_hard_fp_saved_regs_size) - || (frame.hard_fp_save_and_probe != INVALID_REGNUM - && known_eq (frame.reg_offset[frame.hard_fp_save_and_probe], - frame.bytes_below_hard_fp))); -@@ -7611,7 +7609,7 @@ aarch64_layout_frame (void) - The saving of the bottommost register counts as an implicit probe, - which allows us to maintain the invariant described in the comment - at expand_prologue. */ -- gcc_assert (crtl->is_leaf || maybe_ne (frame.saved_regs_size, 0)); -+ gcc_assert (crtl->is_leaf || maybe_ne (saved_regs_size, 0)); - - offset += get_frame_size (); - offset = aligned_upper_bound (offset, STACK_BOUNDARY / BITS_PER_UNIT); -@@ -7637,7 +7635,7 @@ aarch64_layout_frame (void) - - HOST_WIDE_INT const_size, const_below_saved_regs, const_above_fp; - HOST_WIDE_INT const_saved_regs_size; -- if (known_eq (frame.saved_regs_size, 0)) -+ if (known_eq (saved_regs_size, 0)) - frame.initial_adjust = frame.frame_size; - else if (frame.frame_size.is_constant (&const_size) - && const_size < max_push_offset -@@ -7650,7 +7648,7 @@ aarch64_layout_frame (void) - frame.callee_adjust = const_size; - } - else if (frame.bytes_below_saved_regs.is_constant (&const_below_saved_regs) -- && frame.saved_regs_size.is_constant (&const_saved_regs_size) -+ && saved_regs_size.is_constant (&const_saved_regs_size) - && const_below_saved_regs + const_saved_regs_size < 512 - /* We could handle this case even with data below the saved - registers, provided that that data left us with valid offsets -@@ -7669,8 +7667,7 @@ aarch64_layout_frame (void) - frame.initial_adjust = frame.frame_size; - } - else if (saves_below_hard_fp_p -- && known_eq (frame.saved_regs_size, -- frame.below_hard_fp_saved_regs_size)) -+ && known_eq (saved_regs_size, below_hard_fp_saved_regs_size)) - { - /* Frame in which all saves are SVE saves: - -@@ -7692,7 +7689,7 @@ aarch64_layout_frame (void) - [save SVE registers relative to SP] - sub sp, sp, bytes_below_saved_regs */ - frame.callee_adjust = const_above_fp; -- frame.sve_callee_adjust = frame.below_hard_fp_saved_regs_size; -+ frame.sve_callee_adjust = below_hard_fp_saved_regs_size; - frame.final_adjust = frame.bytes_below_saved_regs; - } - else -@@ -7707,7 +7704,7 @@ aarch64_layout_frame (void) - [save SVE registers relative to SP] - sub sp, sp, bytes_below_saved_regs */ - frame.initial_adjust = frame.bytes_above_hard_fp; -- frame.sve_callee_adjust = frame.below_hard_fp_saved_regs_size; -+ frame.sve_callee_adjust = below_hard_fp_saved_regs_size; - frame.final_adjust = frame.bytes_below_saved_regs; - } - -@@ -8849,17 +8846,17 @@ aarch64_epilogue_uses (int regno) - | local variables | <-- frame_pointer_rtx - | | - +-------------------------------+ -- | padding | \ -- +-------------------------------+ | -- | callee-saved registers | | frame.saved_regs_size -- +-------------------------------+ | -- | LR' | | -- +-------------------------------+ | -- | FP' | | -- +-------------------------------+ |<- hard_frame_pointer_rtx (aligned) -- | SVE vector registers | | \ -- +-------------------------------+ | | below_hard_fp_saved_regs_size -- | SVE predicate registers | / / -+ | padding | -+ +-------------------------------+ -+ | callee-saved registers | -+ +-------------------------------+ -+ | LR' | -+ +-------------------------------+ -+ | FP' | -+ +-------------------------------+ <-- hard_frame_pointer_rtx (aligned) -+ | SVE vector registers | -+ +-------------------------------+ -+ | SVE predicate registers | - +-------------------------------+ - | dynamic allocation | - +-------------------------------+ -diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h -index 97173e48598b..9084b1cfb9d0 100644 ---- a/gcc/config/aarch64/aarch64.h -+++ b/gcc/config/aarch64/aarch64.h -@@ -837,18 +837,11 @@ struct GTY (()) aarch64_frame - STACK_BOUNDARY. */ - HOST_WIDE_INT saved_varargs_size; - -- /* The size of the callee-save registers with a slot in REG_OFFSET. */ -- poly_int64 saved_regs_size; -- - /* The number of bytes between the bottom of the static frame (the bottom - of the outgoing arguments) and the bottom of the register save area. - This value is always a multiple of STACK_BOUNDARY. */ - poly_int64 bytes_below_saved_regs; - -- /* The size of the callee-save registers with a slot in REG_OFFSET that -- are saved below the hard frame pointer. */ -- poly_int64 below_hard_fp_saved_regs_size; -- - /* The number of bytes between the bottom of the static frame (the bottom - of the outgoing arguments) and the hard frame pointer. This value is - always a multiple of STACK_BOUNDARY. */ --- -2.42.0 - diff --git a/packages/gcc/11.4.0/0029-aarch64-Make-stack-smash-canary-protect-saved-regist.patch b/packages/gcc/11.4.0/0029-aarch64-Make-stack-smash-canary-protect-saved-regist.patch deleted file mode 100644 index 520c1f02..00000000 --- a/packages/gcc/11.4.0/0029-aarch64-Make-stack-smash-canary-protect-saved-regist.patch +++ /dev/null @@ -1,299 +0,0 @@ -From bea0985749c12fcc264710586addb7838cc61e6d Mon Sep 17 00:00:00 2001 -From: Richard Sandiford <richard.sandiford@arm.com> -Date: Tue, 12 Sep 2023 16:19:52 +0100 -Subject: [PATCH 29/29] aarch64: Make stack smash canary protect saved - registers - -AArch64 normally puts the saved registers near the bottom of the frame, -immediately above any dynamic allocations. But this means that a -stack-smash attack on those dynamic allocations could overwrite the -saved registers without needing to reach as far as the stack smash -canary. - -The same thing could also happen for variable-sized arguments that are -passed by value, since those are allocated before a call and popped on -return. - -This patch avoids that by putting the locals (and thus the canary) below -the saved registers when stack smash protection is active. - -The patch fixes CVE-2023-4039. - -gcc/ - * config/aarch64/aarch64.c (aarch64_save_regs_above_locals_p): - New function. - (aarch64_layout_frame): Use it to decide whether locals should - go above or below the saved registers. - (aarch64_expand_prologue): Update stack layout comment. - Emit a stack tie after the final adjustment. - -gcc/testsuite/ - * gcc.target/aarch64/stack-protector-8.c: New test. - * gcc.target/aarch64/stack-protector-9.c: Likewise. ---- - gcc/config/aarch64/aarch64.c | 46 +++++++-- - .../gcc.target/aarch64/stack-protector-8.c | 95 +++++++++++++++++++ - .../gcc.target/aarch64/stack-protector-9.c | 33 +++++++ - 3 files changed, 168 insertions(+), 6 deletions(-) - create mode 100644 gcc/testsuite/gcc.target/aarch64/stack-protector-8.c - create mode 100644 gcc/testsuite/gcc.target/aarch64/stack-protector-9.c - -diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c -index 385718a475b6..3ccfd3c30fc7 100644 ---- a/gcc/config/aarch64/aarch64.c -+++ b/gcc/config/aarch64/aarch64.c -@@ -7392,6 +7392,20 @@ aarch64_needs_frame_chain (void) - return aarch64_use_frame_pointer; - } - -+/* Return true if the current function should save registers above -+ the locals area, rather than below it. */ -+ -+static bool -+aarch64_save_regs_above_locals_p () -+{ -+ /* When using stack smash protection, make sure that the canary slot -+ comes between the locals and the saved registers. Otherwise, -+ it would be possible for a carefully sized smash attack to change -+ the saved registers (particularly LR and FP) without reaching the -+ canary. */ -+ return crtl->stack_protect_guard; -+} -+ - /* Mark the registers that need to be saved by the callee and calculate - the size of the callee-saved registers area and frame record (both FP - and LR may be omitted). */ -@@ -7403,6 +7417,7 @@ aarch64_layout_frame (void) - poly_int64 vector_save_size = GET_MODE_SIZE (vector_save_mode); - bool frame_related_fp_reg_p = false; - aarch64_frame &frame = cfun->machine->frame; -+ poly_int64 top_of_locals = -1; - - frame.emit_frame_chain = aarch64_needs_frame_chain (); - -@@ -7469,9 +7484,16 @@ aarch64_layout_frame (void) - && !crtl->abi->clobbers_full_reg_p (regno)) - frame.reg_offset[regno] = SLOT_REQUIRED; - -+ bool regs_at_top_p = aarch64_save_regs_above_locals_p (); - - poly_int64 offset = crtl->outgoing_args_size; - gcc_assert (multiple_p (offset, STACK_BOUNDARY / BITS_PER_UNIT)); -+ if (regs_at_top_p) -+ { -+ offset += get_frame_size (); -+ offset = aligned_upper_bound (offset, STACK_BOUNDARY / BITS_PER_UNIT); -+ top_of_locals = offset; -+ } - frame.bytes_below_saved_regs = offset; - frame.sve_save_and_probe = INVALID_REGNUM; - -@@ -7611,15 +7633,18 @@ aarch64_layout_frame (void) - at expand_prologue. */ - gcc_assert (crtl->is_leaf || maybe_ne (saved_regs_size, 0)); - -- offset += get_frame_size (); -- offset = aligned_upper_bound (offset, STACK_BOUNDARY / BITS_PER_UNIT); -- auto top_of_locals = offset; -- -+ if (!regs_at_top_p) -+ { -+ offset += get_frame_size (); -+ offset = aligned_upper_bound (offset, STACK_BOUNDARY / BITS_PER_UNIT); -+ top_of_locals = offset; -+ } - offset += frame.saved_varargs_size; - gcc_assert (multiple_p (offset, STACK_BOUNDARY / BITS_PER_UNIT)); - frame.frame_size = offset; - - frame.bytes_above_hard_fp = frame.frame_size - frame.bytes_below_hard_fp; -+ gcc_assert (known_ge (top_of_locals, 0)); - frame.bytes_above_locals = frame.frame_size - top_of_locals; - - frame.initial_adjust = 0; -@@ -8843,10 +8868,10 @@ aarch64_epilogue_uses (int regno) - | for register varargs | - | | - +-------------------------------+ -- | local variables | <-- frame_pointer_rtx -+ | local variables (1) | <-- frame_pointer_rtx - | | - +-------------------------------+ -- | padding | -+ | padding (1) | - +-------------------------------+ - | callee-saved registers | - +-------------------------------+ -@@ -8858,6 +8883,10 @@ aarch64_epilogue_uses (int regno) - +-------------------------------+ - | SVE predicate registers | - +-------------------------------+ -+ | local variables (2) | -+ +-------------------------------+ -+ | padding (2) | -+ +-------------------------------+ - | dynamic allocation | - +-------------------------------+ - | padding | -@@ -8867,6 +8896,9 @@ aarch64_epilogue_uses (int regno) - +-------------------------------+ - | | <-- stack_pointer_rtx (aligned) - -+ The regions marked (1) and (2) are mutually exclusive. (2) is used -+ when aarch64_save_regs_above_locals_p is true. -+ - Dynamic stack allocations via alloca() decrease stack_pointer_rtx - but leave frame_pointer_rtx and hard_frame_pointer_rtx - unchanged. -@@ -9058,6 +9090,8 @@ aarch64_expand_prologue (void) - gcc_assert (known_eq (bytes_below_sp, final_adjust)); - aarch64_allocate_and_probe_stack_space (tmp1_rtx, tmp0_rtx, final_adjust, - !frame_pointer_needed, true); -+ if (emit_frame_chain && maybe_ne (final_adjust, 0)) -+ emit_insn (gen_stack_tie (stack_pointer_rtx, hard_frame_pointer_rtx)); - } - - /* Return TRUE if we can use a simple_return insn. -diff --git a/gcc/testsuite/gcc.target/aarch64/stack-protector-8.c b/gcc/testsuite/gcc.target/aarch64/stack-protector-8.c -new file mode 100644 -index 000000000000..e71d820e3654 ---- /dev/null -+++ b/gcc/testsuite/gcc.target/aarch64/stack-protector-8.c -@@ -0,0 +1,95 @@ -+/* { dg-options " -O -fstack-protector-strong -mstack-protector-guard=sysreg -mstack-protector-guard-reg=tpidr2_el0 -mstack-protector-guard-offset=16" } */ -+/* { dg-final { check-function-bodies "**" "" } } */ -+ -+void g(void *); -+__SVBool_t *h(void *); -+ -+/* -+** test1: -+** sub sp, sp, #288 -+** stp x29, x30, \[sp, #?272\] -+** add x29, sp, #?272 -+** mrs (x[0-9]+), tpidr2_el0 -+** ldr (x[0-9]+), \[\1, #?16\] -+** str \2, \[sp, #?264\] -+** mov \2, #?0 -+** add x0, sp, #?8 -+** bl g -+** ... -+** mrs .* -+** ... -+** bne .* -+** ... -+** ldp x29, x30, \[sp, #?272\] -+** add sp, sp, #?288 -+** ret -+** bl __stack_chk_fail -+*/ -+int test1() { -+ int y[0x40]; -+ g(y); -+ return 1; -+} -+ -+/* -+** test2: -+** stp x29, x30, \[sp, #?-16\]! -+** mov x29, sp -+** sub sp, sp, #1040 -+** mrs (x[0-9]+), tpidr2_el0 -+** ldr (x[0-9]+), \[\1, #?16\] -+** str \2, \[sp, #?1032\] -+** mov \2, #?0 -+** add x0, sp, #?8 -+** bl g -+** ... -+** mrs .* -+** ... -+** bne .* -+** ... -+** add sp, sp, #?1040 -+** ldp x29, x30, \[sp\], #?16 -+** ret -+** bl __stack_chk_fail -+*/ -+int test2() { -+ int y[0x100]; -+ g(y); -+ return 1; -+} -+ -+#pragma GCC target "+sve" -+ -+/* -+** test3: -+** stp x29, x30, \[sp, #?-16\]! -+** mov x29, sp -+** addvl sp, sp, #-18 -+** ... -+** str p4, \[sp\] -+** ... -+** sub sp, sp, #272 -+** mrs (x[0-9]+), tpidr2_el0 -+** ldr (x[0-9]+), \[\1, #?16\] -+** str \2, \[sp, #?264\] -+** mov \2, #?0 -+** add x0, sp, #?8 -+** bl h -+** ... -+** mrs .* -+** ... -+** bne .* -+** ... -+** add sp, sp, #?272 -+** ... -+** ldr p4, \[sp\] -+** ... -+** addvl sp, sp, #18 -+** ldp x29, x30, \[sp\], #?16 -+** ret -+** bl __stack_chk_fail -+*/ -+__SVBool_t test3() { -+ int y[0x40]; -+ return *h(y); -+} -diff --git a/gcc/testsuite/gcc.target/aarch64/stack-protector-9.c b/gcc/testsuite/gcc.target/aarch64/stack-protector-9.c -new file mode 100644 -index 000000000000..58f322aa480a ---- /dev/null -+++ b/gcc/testsuite/gcc.target/aarch64/stack-protector-9.c -@@ -0,0 +1,33 @@ -+/* { dg-options "-O2 -mcpu=neoverse-v1 -fstack-protector-all" } */ -+/* { dg-final { check-function-bodies "**" "" } } */ -+ -+/* -+** main: -+** ... -+** stp x29, x30, \[sp, #?-[0-9]+\]! -+** ... -+** sub sp, sp, #[0-9]+ -+** ... -+** str x[0-9]+, \[x29, #?-8\] -+** ... -+*/ -+int f(const char *); -+void g(void *); -+int main(int argc, char* argv[]) -+{ -+ int a; -+ int b; -+ char c[2+f(argv[1])]; -+ int d[0x100]; -+ char y; -+ -+ y=42; a=4; b=10; -+ c[0] = 'h'; c[1] = '\0'; -+ -+ c[f(argv[2])] = '\0'; -+ -+ __builtin_printf("%d %d\n%s\n", a, b, c); -+ g(d); -+ -+ return 0; -+} --- -2.42.0 - diff --git a/packages/gcc/11.4.0/chksum b/packages/gcc/11.4.0/chksum deleted file mode 100644 index e6e5de42..00000000 --- a/packages/gcc/11.4.0/chksum +++ /dev/null @@ -1,8 +0,0 @@ -md5 gcc-11.4.0.tar.xz 3ec67dbe6fac4c3aa3b95250aa545b24 -sha1 gcc-11.4.0.tar.xz 03f21dce9edf9092e38b4e23dd27b29f6ab56f63 -sha256 gcc-11.4.0.tar.xz 3f2db222b007e8a4a23cd5ba56726ef08e8b1f1eb2055ee72c1402cea73a8dd9 -sha512 gcc-11.4.0.tar.xz a5018bf1f1fa25ddf33f46e720675d261987763db48e7a5fdf4c26d3150a8abcb82fdc413402df1c32f2e6b057d9bae6bdfa026defc4030e10144a8532e60f14 -md5 gcc-11.4.0.tar.gz 555f990ed0cc31537c0731895e1273fe -sha1 gcc-11.4.0.tar.gz bc457d3c9bcfa5c9fb59af3cbf45dfafc3f39752 -sha256 gcc-11.4.0.tar.gz af828619dd1970734dda3cfb792ea3f2cba61b5a00170ba8bce4910749d73c07 -sha512 gcc-11.4.0.tar.gz de22be3bc3ec7deab0db9b1de1cb70c4721991a6d2865d6d77900369cc2748127e4cf866763fd267ec58dbf4cfb62bd364e0eced0547a9fc5dedd4f4f7bc6661 diff --git a/packages/gcc/11.4.0/version.desc b/packages/gcc/11.4.0/version.desc deleted file mode 100644 index e69de29b..00000000 --- a/packages/gcc/11.4.0/version.desc +++ /dev/null |