diff options
Diffstat (limited to 'packages/binutils/2.24/0022-xtensa-add-auto-litpools-option.patch')
-rw-r--r-- | packages/binutils/2.24/0022-xtensa-add-auto-litpools-option.patch | 684 |
1 files changed, 0 insertions, 684 deletions
diff --git a/packages/binutils/2.24/0022-xtensa-add-auto-litpools-option.patch b/packages/binutils/2.24/0022-xtensa-add-auto-litpools-option.patch deleted file mode 100644 index 269e9f2f..00000000 --- a/packages/binutils/2.24/0022-xtensa-add-auto-litpools-option.patch +++ /dev/null @@ -1,684 +0,0 @@ -From 978adaaa4cd3921842e2be8a31c05f081fb17fcf Mon Sep 17 00:00:00 2001 -From: Max Filippov <jcmvbkbc@gmail.com> -Date: Wed, 29 Jul 2015 17:42:54 +0300 -Subject: [PATCH] xtensa: add --auto-litpools option - -Auto-litpools is the automated version of text-section-literals: literal -pool candidate frags are planted every N frags and during relaxation -they are turned into actual literal pools where literals are moved to -become reachable for their first reference by L32R instruction. - -2015-08-12 David Weatherford <weath@cadence.com> -gas/ - * config/tc-xtensa.c (struct litpool_frag, struct litpool_seg): - New structures. - (xtensa_maybe_create_literal_pool_frag): New function. - (litpool_seg_list, auto_litpools, auto_litpool_limit) - (litpool_buf, litpool_slotbuf): New static variables. - (option_auto_litpools, option_no_auto_litpools) - (option_auto_litpool_limit): New enum identifiers. - (md_longopts): Add entries for auto-litpools, no-auto-litpools - and auto-litpool-limit. - (md_parse_option): Handle option_auto_litpools, - option_no_auto_litpools and option_auto_litpool_limit. - (md_show_usage): Add help for --[no-]auto-litpools and - --auto-litpool-limit. - (xtensa_mark_literal_pool_location): Record a place for literal - pool with a call to xtensa_maybe_create_literal_pool_frag. - (get_literal_pool_location): Find highest priority literal pool - or convert candidate to literal pool when auto-litpools are used. - (xg_assemble_vliw_tokens): Create literal pool after jump - instruction. - (xtensa_check_frag_count): Create candidate literal pool every - auto_litpool_limit frags. - (xtensa_relax_frag): Add jump around literals to non-empty - literal pool. - (xtensa_move_literals): Estimate literal pool addresses and move - unreachable literals closer to their users, converting candidate - to literal pool if needed. - (xtensa_switch_to_non_abs_literal_fragment): Only emit error - about missing .literal_position in case auto-litpools are not - used. - * config/tc-xtensa.h (xtensa_relax_statesE): New relaxation - state: RELAX_LITERAL_POOL_CANDIDATE_BEGIN. - -2015-08-12 Max Filippov <jcmvbkbc@gmail.com> -gas/testsuite/ - * gas/xtensa/all.exp: Add auto-litpools to the list of xtensa - tests. - * gas/xtensa/auto-litpools.s: New file: auto-litpools test. - * gas/xtensa/auto-litpools.s: New file: auto-litpools test - result pattern. - -Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> ---- -Backported from: b46824bd49648c575372e6d9bc6a6defeabd6ed5 -Changes to ChangeLogs and documentation are dropped. - - gas/config/tc-xtensa.c | 432 ++++++++++++++++++++++++++++++- - gas/config/tc-xtensa.h | 1 - gas/testsuite/gas/xtensa/all.exp | 1 - gas/testsuite/gas/xtensa/auto-litpools.d | 12 - gas/testsuite/gas/xtensa/auto-litpools.s | 13 - 5 files changed, 454 insertions(+), 5 deletions(-) - create mode 100644 gas/testsuite/gas/xtensa/auto-litpools.d - create mode 100644 gas/testsuite/gas/xtensa/auto-litpools.s - ---- a/gas/config/tc-xtensa.c -+++ b/gas/config/tc-xtensa.c -@@ -441,6 +441,29 @@ - #endif - }; - -+/* A circular list of all potential and actual literal pool locations -+ in a segment. */ -+struct litpool_frag -+{ -+ struct litpool_frag *next; -+ struct litpool_frag *prev; -+ fragS *fragP; -+ addressT addr; -+ short priority; /* 1, 2, or 3 -- 1 is highest */ -+ short original_priority; -+}; -+ -+/* Map a segment to its litpool_frag list. */ -+struct litpool_seg -+{ -+ struct litpool_seg *next; -+ asection *seg; -+ struct litpool_frag frag_list; -+ int frag_count; /* since last litpool location */ -+}; -+ -+static struct litpool_seg litpool_seg_list; -+ - - /* Directive functions. */ - -@@ -475,6 +498,9 @@ - static void xtensa_maybe_create_trampoline_frag (void); - struct trampoline_frag; - static int init_trampoline_frag (struct trampoline_frag *); -+static void xtensa_maybe_create_literal_pool_frag (bfd_boolean, bfd_boolean); -+static bfd_boolean auto_litpools = FALSE; -+static int auto_litpool_limit = 10000; - - /* Alignment Functions. */ - -@@ -699,6 +725,10 @@ - - option_trampolines, - option_no_trampolines, -+ -+ option_auto_litpools, -+ option_no_auto_litpools, -+ option_auto_litpool_limit, - }; - - const char *md_shortopts = ""; -@@ -774,6 +804,10 @@ - { "trampolines", no_argument, NULL, option_trampolines }, - { "no-trampolines", no_argument, NULL, option_no_trampolines }, - -+ { "auto-litpools", no_argument, NULL, option_auto_litpools }, -+ { "no-auto-litpools", no_argument, NULL, option_no_auto_litpools }, -+ { "auto-litpool-limit", required_argument, NULL, option_auto_litpool_limit }, -+ - { NULL, no_argument, NULL, 0 } - }; - -@@ -962,6 +996,34 @@ - use_trampolines = FALSE; - return 1; - -+ case option_auto_litpools: -+ auto_litpools = TRUE; -+ use_literal_section = FALSE; -+ return 1; -+ -+ case option_no_auto_litpools: -+ auto_litpools = FALSE; -+ auto_litpool_limit = -1; -+ return 1; -+ -+ case option_auto_litpool_limit: -+ { -+ int value = 0; -+ if (auto_litpool_limit < 0) -+ as_fatal (_("no-auto-litpools is incompatible with auto-litpool-limit")); -+ if (*arg == 0 || *arg == '-') -+ as_fatal (_("invalid auto-litpool-limit argument")); -+ value = strtol (arg, &arg, 10); -+ if (*arg != 0) -+ as_fatal (_("invalid auto-litpool-limit argument")); -+ if (value < 100 || value > 10000) -+ as_fatal (_("invalid auto-litpool-limit argument (range is 100-10000)")); -+ auto_litpool_limit = value; -+ auto_litpools = TRUE; -+ use_literal_section = FALSE; -+ return 1; -+ } -+ - default: - return 0; - } -@@ -987,7 +1049,12 @@ - flix bundles\n\ - --rename-section old=new Rename section 'old' to 'new'\n\ - --[no-]trampolines [Do not] generate trampolines (jumps to jumps)\n\ -- when jumps do not reach their targets\n", stream); -+ when jumps do not reach their targets\n\ -+ --[no-]auto-litpools [Do not] automatically create literal pools\n\ -+ --auto-litpool-limit=<value>\n\ -+ (range 100-10000) Maximum number of blocks of\n\ -+ instructions to emit between literal pool\n\ -+ locations; implies --auto-litpools flag\n", stream); - } - - -@@ -4729,6 +4796,8 @@ - pool_location = frag_now; - frag_now->tc_frag_data.lit_frchain = frchain_now; - frag_now->tc_frag_data.literal_frag = frag_now; -+ /* Just record this frag. */ -+ xtensa_maybe_create_literal_pool_frag (FALSE, FALSE); - frag_variant (rs_machine_dependent, 0, 0, - RELAX_LITERAL_POOL_BEGIN, NULL, 0, NULL); - xtensa_set_frag_assembly_state (frag_now); -@@ -4833,6 +4902,31 @@ - static fragS * - get_literal_pool_location (segT seg) - { -+ struct litpool_seg *lps = litpool_seg_list.next; -+ struct litpool_frag *lpf; -+ for ( ; lps && lps->seg->id != seg->id; lps = lps->next) -+ ; -+ if (lps) -+ { -+ for (lpf = lps->frag_list.prev; lpf->fragP; lpf = lpf->prev) -+ { /* Skip "candidates" for now. */ -+ if (lpf->fragP->fr_subtype == RELAX_LITERAL_POOL_BEGIN && -+ lpf->priority == 1) -+ return lpf->fragP; -+ } -+ /* Must convert a lower-priority pool. */ -+ for (lpf = lps->frag_list.prev; lpf->fragP; lpf = lpf->prev) -+ { -+ if (lpf->fragP->fr_subtype == RELAX_LITERAL_POOL_BEGIN) -+ return lpf->fragP; -+ } -+ /* Still no match -- try for a low priority pool. */ -+ for (lpf = lps->frag_list.prev; lpf->fragP; lpf = lpf->prev) -+ { -+ if (lpf->fragP->fr_subtype == RELAX_LITERAL_POOL_CANDIDATE_BEGIN) -+ return lpf->fragP; -+ } -+ } - return seg_info (seg)->tc_segment_info_data.literal_pool_loc; - } - -@@ -7099,6 +7193,11 @@ - frag_now->tc_frag_data.slot_symbols[slot] = tinsn->symbol; - frag_now->tc_frag_data.slot_offsets[slot] = tinsn->offset; - frag_now->tc_frag_data.literal_frags[slot] = tinsn->literal_frag; -+ if (tinsn->opcode == xtensa_l32r_opcode) -+ { -+ frag_now->tc_frag_data.literal_frags[slot] = -+ tinsn->tok[1].X_add_symbol->sy_frag; -+ } - if (tinsn->literal_space != 0) - xg_assemble_literal_space (tinsn->literal_space, slot); - frag_now->tc_frag_data.free_reg[slot] = tinsn->extra_arg; -@@ -7171,6 +7270,8 @@ - frag_now->fr_symbol, frag_now->fr_offset, NULL); - xtensa_set_frag_assembly_state (frag_now); - xtensa_maybe_create_trampoline_frag (); -+ /* Always create one here. */ -+ xtensa_maybe_create_literal_pool_frag (TRUE, FALSE); - } - else if (is_branch && do_align_targets ()) - { -@@ -7315,11 +7416,18 @@ - clear_frag_count (); - unreachable_count = 0; - } -+ -+ /* We create an area for a possible literal pool every N (default 5000) -+ frags or so. */ -+ xtensa_maybe_create_literal_pool_frag (TRUE, TRUE); - } - - static xtensa_insnbuf trampoline_buf = NULL; - static xtensa_insnbuf trampoline_slotbuf = NULL; - -+static xtensa_insnbuf litpool_buf = NULL; -+static xtensa_insnbuf litpool_slotbuf = NULL; -+ - #define TRAMPOLINE_FRAG_SIZE 3000 - - static void -@@ -7411,6 +7519,135 @@ - } - } - -+static void dump_litpools (void) __attribute__ ((unused)); -+ -+static void -+dump_litpools (void) -+{ -+ struct litpool_seg *lps = litpool_seg_list.next; -+ struct litpool_frag *lpf; -+ -+ for ( ; lps ; lps = lps->next ) -+ { -+ printf("litpool seg %s\n", lps->seg->name); -+ for ( lpf = lps->frag_list.next; lpf->fragP; lpf = lpf->next ) -+ { -+ fragS *litfrag = lpf->fragP->fr_next; -+ int count = 0; -+ while (litfrag && litfrag->fr_subtype != RELAX_LITERAL_POOL_END) -+ { -+ if (litfrag->fr_fix == 4) -+ count++; -+ litfrag = litfrag->fr_next; -+ } -+ printf(" %ld <%d:%d> (%d) [%d]: ", -+ lpf->addr, lpf->priority, lpf->original_priority, -+ lpf->fragP->fr_line, count); -+ //dump_frag(lpf->fragP); -+ } -+ } -+} -+ -+static void -+xtensa_maybe_create_literal_pool_frag (bfd_boolean create, -+ bfd_boolean only_if_needed) -+{ -+ struct litpool_seg *lps = litpool_seg_list.next; -+ fragS *fragP; -+ struct litpool_frag *lpf; -+ bfd_boolean needed = FALSE; -+ -+ if (use_literal_section || !auto_litpools) -+ return; -+ -+ for ( ; lps ; lps = lps->next ) -+ { -+ if (lps->seg == now_seg) -+ break; -+ } -+ -+ if (lps == NULL) -+ { -+ lps = (struct litpool_seg *)xcalloc (sizeof (struct litpool_seg), 1); -+ lps->next = litpool_seg_list.next; -+ litpool_seg_list.next = lps; -+ lps->seg = now_seg; -+ lps->frag_list.next = &lps->frag_list; -+ lps->frag_list.prev = &lps->frag_list; -+ } -+ -+ lps->frag_count++; -+ -+ if (create) -+ { -+ if (only_if_needed) -+ { -+ if (past_xtensa_end || !use_transform() || -+ frag_now->tc_frag_data.is_no_transform) -+ { -+ return; -+ } -+ if (auto_litpool_limit <= 0) -+ { -+ /* Don't create a litpool based only on frag count. */ -+ return; -+ } -+ else if (lps->frag_count > auto_litpool_limit) -+ { -+ needed = TRUE; -+ } -+ else -+ { -+ return; -+ } -+ } -+ else -+ { -+ needed = TRUE; -+ } -+ } -+ -+ if (needed) -+ { -+ int size = (only_if_needed) ? 3 : 0; /* Space for a "j" insn. */ -+ /* Create a potential site for a literal pool. */ -+ frag_wane (frag_now); -+ frag_new (0); -+ xtensa_set_frag_assembly_state (frag_now); -+ fragP = frag_now; -+ fragP->tc_frag_data.lit_frchain = frchain_now; -+ fragP->tc_frag_data.literal_frag = fragP; -+ frag_var (rs_machine_dependent, size, size, -+ (only_if_needed) ? -+ RELAX_LITERAL_POOL_CANDIDATE_BEGIN : -+ RELAX_LITERAL_POOL_BEGIN, -+ NULL, 0, NULL); -+ frag_now->tc_frag_data.lit_seg = now_seg; -+ frag_variant (rs_machine_dependent, 0, 0, -+ RELAX_LITERAL_POOL_END, NULL, 0, NULL); -+ xtensa_set_frag_assembly_state (frag_now); -+ } -+ else -+ { -+ /* RELAX_LITERAL_POOL_BEGIN frag is being created; -+ just record it here. */ -+ fragP = frag_now; -+ } -+ -+ lpf = (struct litpool_frag *)xmalloc(sizeof (struct litpool_frag)); -+ /* Insert at tail of circular list. */ -+ lpf->addr = 0; -+ lps->frag_list.prev->next = lpf; -+ lpf->next = &lps->frag_list; -+ lpf->prev = lps->frag_list.prev; -+ lps->frag_list.prev = lpf; -+ lpf->fragP = fragP; -+ lpf->priority = (needed) ? (only_if_needed) ? 3 : 2 : 1; -+ lpf->original_priority = lpf->priority; -+ -+ lps->frag_count = 0; -+} -+ - static void - xtensa_cleanup_align_frags (void) - { -@@ -9030,7 +9267,41 @@ - break; - - case RELAX_LITERAL_POOL_BEGIN: -+ if (fragP->fr_var != 0) -+ { -+ /* We have a converted "candidate" literal pool; -+ assemble a jump around it. */ -+ TInsn insn; -+ if (!litpool_slotbuf) -+ { -+ litpool_buf = xtensa_insnbuf_alloc (isa); -+ litpool_slotbuf = xtensa_insnbuf_alloc (isa); -+ } -+ new_stretch += 3; -+ fragP->tc_frag_data.relax_seen = FALSE; /* Need another pass. */ -+ fragP->tc_frag_data.is_insn = TRUE; -+ tinsn_init (&insn); -+ insn.insn_type = ITYPE_INSN; -+ insn.opcode = xtensa_j_opcode; -+ insn.ntok = 1; -+ set_expr_symbol_offset (&insn.tok[0], fragP->fr_symbol, -+ fragP->fr_fix); -+ fmt = xg_get_single_format (xtensa_j_opcode); -+ tinsn_to_slotbuf (fmt, 0, &insn, litpool_slotbuf); -+ xtensa_format_set_slot (isa, fmt, 0, litpool_buf, litpool_slotbuf); -+ xtensa_insnbuf_to_chars (isa, litpool_buf, -+ (unsigned char *)fragP->fr_literal + -+ fragP->fr_fix, 3); -+ fragP->fr_fix += 3; -+ fragP->fr_var -= 3; -+ /* Add a fix-up. */ -+ fix_new (fragP, 0, 3, fragP->fr_symbol, 0, TRUE, -+ BFD_RELOC_XTENSA_SLOT0_OP); -+ } -+ break; -+ - case RELAX_LITERAL_POOL_END: -+ case RELAX_LITERAL_POOL_CANDIDATE_BEGIN: - case RELAX_MAYBE_UNREACHABLE: - case RELAX_MAYBE_DESIRE_ALIGN: - /* No relaxation required. */ -@@ -10790,12 +11061,115 @@ - segT dest_seg; - fixS *fix, *next_fix, **fix_splice; - sym_list *lit; -+ struct litpool_seg *lps; - - mark_literal_frags (literal_head->next); - - if (use_literal_section) - return; - -+ /* Assign addresses (rough estimates) to the potential literal pool locations -+ and create new ones if the gaps are too large. */ -+ -+ for (lps = litpool_seg_list.next; lps; lps = lps->next) -+ { -+ frchainS *frchP = seg_info (lps->seg)->frchainP; -+ struct litpool_frag *lpf = lps->frag_list.next; -+ addressT addr = 0; -+ -+ for ( ; frchP; frchP = frchP->frch_next) -+ { -+ fragS *fragP; -+ for (fragP = frchP->frch_root; fragP; fragP = fragP->fr_next) -+ { -+ if (lpf && fragP == lpf->fragP) -+ { -+ gas_assert(fragP->fr_type == rs_machine_dependent && -+ (fragP->fr_subtype == RELAX_LITERAL_POOL_BEGIN || -+ fragP->fr_subtype == RELAX_LITERAL_POOL_CANDIDATE_BEGIN)); -+ /* Found a litpool location. */ -+ lpf->addr = addr; -+ lpf = lpf->next; -+ } -+ if (fragP->fr_type == rs_machine_dependent && -+ fragP->fr_subtype == RELAX_SLOTS) -+ { -+ int slot; -+ for (slot = 0; slot < MAX_SLOTS; slot++) -+ { -+ if (fragP->tc_frag_data.literal_frags[slot]) -+ { -+ /* L32R; point its literal to the nearest litpool -+ preferring non-"candidate" positions to avoid -+ the jump-around. */ -+ fragS *litfrag = fragP->tc_frag_data.literal_frags[slot]; -+ struct litpool_frag *lp = lpf->prev; -+ if (!lp->fragP) -+ { -+ break; -+ } -+ while (lp->fragP->fr_subtype == -+ RELAX_LITERAL_POOL_CANDIDATE_BEGIN) -+ { -+ lp = lp->prev; -+ if (lp->fragP == NULL) -+ { -+ /* End of list; have to bite the bullet. -+ Take the nearest. */ -+ lp = lpf->prev; -+ break; -+ } -+ /* Does it (conservatively) reach? */ -+ if (addr - lp->addr <= 128 * 1024) -+ { -+ if (lp->fragP->fr_subtype == RELAX_LITERAL_POOL_BEGIN) -+ { -+ /* Found a good one. */ -+ break; -+ } -+ else if (lp->prev->fragP && -+ addr - lp->prev->addr > 128 * 1024) -+ { -+ /* This is still a "candidate" but the next one -+ will be too far away, so revert to the nearest -+ one, convert it and add the jump around. */ -+ fragS *poolbeg; -+ fragS *poolend; -+ symbolS *lsym; -+ char label[10 + 2 * sizeof (fragS *)]; -+ lp = lpf->prev; -+ poolbeg = lp->fragP; -+ lp->priority = 1; -+ poolbeg->fr_subtype = RELAX_LITERAL_POOL_BEGIN; -+ poolend = poolbeg->fr_next; -+ gas_assert (poolend->fr_type == rs_machine_dependent && -+ poolend->fr_subtype == RELAX_LITERAL_POOL_END); -+ /* Create a local symbol pointing to the -+ end of the pool. */ -+ sprintf (label, ".L0_LT_%p", poolbeg); -+ lsym = (symbolS *)local_symbol_make (label, lps->seg, -+ 0, poolend); -+ poolbeg->fr_symbol = lsym; -+ /* Rest is done in xtensa_relax_frag. */ -+ } -+ } -+ } -+ if (! litfrag->tc_frag_data.literal_frag) -+ { -+ /* Take earliest use of this literal to avoid -+ forward refs. */ -+ litfrag->tc_frag_data.literal_frag = lp->fragP; -+ } -+ } -+ } -+ } -+ addr += fragP->fr_fix; -+ if (fragP->fr_type == rs_fill) -+ addr += fragP->fr_offset; -+ } -+ } -+ } -+ - for (segment = literal_head->next; segment; segment = segment->next) - { - /* Keep the literals for .init and .fini in separate sections. */ -@@ -10840,9 +11214,6 @@ - while (search_frag != frag_now) - { - next_frag = search_frag->fr_next; -- -- /* First, move the frag out of the literal section and -- to the appropriate place. */ - if (search_frag->tc_frag_data.literal_frag) - { - literal_pool = search_frag->tc_frag_data.literal_frag; -@@ -10850,8 +11221,56 @@ - frchain_to = literal_pool->tc_frag_data.lit_frchain; - gas_assert (frchain_to); - } -+ -+ if (search_frag->fr_type == rs_fill && search_frag->fr_fix == 0) -+ { -+ /* Skip empty fill frags. */ -+ *frag_splice = next_frag; -+ search_frag = next_frag; -+ continue; -+ } -+ -+ if (search_frag->fr_type == rs_align) -+ { -+ /* Skip alignment frags, because the pool as a whole will be -+ aligned if used, and we don't want to force alignment if the -+ pool is unused. */ -+ *frag_splice = next_frag; -+ search_frag = next_frag; -+ continue; -+ } -+ -+ /* First, move the frag out of the literal section and -+ to the appropriate place. */ -+ -+ /* Insert an aligmnent frag at start of pool. */ -+ if (literal_pool->fr_next->fr_type == rs_machine_dependent && -+ literal_pool->fr_next->fr_subtype == RELAX_LITERAL_POOL_END) -+ { -+ segT pool_seg = literal_pool->fr_next->tc_frag_data.lit_seg; -+ emit_state prev_state; -+ fragS *prev_frag; -+ fragS *align_frag; -+ xtensa_switch_section_emit_state (&prev_state, pool_seg, 0); -+ prev_frag = frag_now; -+ frag_variant (rs_fill, 0, 0, 0, NULL, 0, NULL); -+ align_frag = frag_now; -+ frag_align (2, 0, 0); -+ /* Splice it into the right place. */ -+ prev_frag->fr_next = align_frag->fr_next; -+ align_frag->fr_next = literal_pool->fr_next; -+ literal_pool->fr_next = align_frag; -+ /* Insert after this one. */ -+ literal_pool->tc_frag_data.literal_frag = align_frag; -+ xtensa_restore_emit_state (&prev_state); -+ } - insert_after = literal_pool->tc_frag_data.literal_frag; - dest_seg = insert_after->fr_next->tc_frag_data.lit_seg; -+ /* Skip align frag. */ -+ if (insert_after->fr_next->fr_type == rs_align) -+ { -+ insert_after = insert_after->fr_next; -+ } - - *frag_splice = next_frag; - search_frag->fr_next = insert_after->fr_next; -@@ -11015,7 +11434,10 @@ - && !recursive - && !is_init && ! is_fini) - { -- as_bad (_("literal pool location required for text-section-literals; specify with .literal_position")); -+ if (!auto_litpools) -+ { -+ as_bad (_("literal pool location required for text-section-literals; specify with .literal_position")); -+ } - - /* When we mark a literal pool location, we want to put a frag in - the literal pool that points to it. But to do that, we want to ---- a/gas/config/tc-xtensa.h -+++ b/gas/config/tc-xtensa.h -@@ -125,6 +125,7 @@ - - RELAX_LITERAL_POOL_BEGIN, - RELAX_LITERAL_POOL_END, -+ RELAX_LITERAL_POOL_CANDIDATE_BEGIN, - /* Technically these are not relaxations at all but mark a location - to store literals later. Note that fr_var stores the frchain for - BEGIN frags and fr_var stores now_seg for END frags. */ ---- a/gas/testsuite/gas/xtensa/all.exp -+++ b/gas/testsuite/gas/xtensa/all.exp -@@ -100,6 +100,7 @@ - run_dump_test "weak-call" - run_dump_test "jlong" - run_dump_test "trampoline" -+ run_dump_test "auto-litpools" - } - - if [info exists errorInfo] then { ---- /dev/null -+++ b/gas/testsuite/gas/xtensa/auto-litpools.d -@@ -0,0 +1,12 @@ -+#as: --auto-litpools -+#objdump: -d -+#name: auto literal pool placement -+ -+.*: +file format .*xtensa.* -+#... -+.*4:.*l32r.a2, 0 .* -+#... -+.*3e437:.*j.3e440 .* -+#... -+.*40750:.*l32r.a2, 3e43c .* -+#... ---- /dev/null -+++ b/gas/testsuite/gas/xtensa/auto-litpools.s -@@ -0,0 +1,13 @@ -+ .text -+ .align 4 -+ .literal .L0, 0x12345 -+ .literal .L1, 0x12345 -+ -+f: -+ l32r a2, .L0 -+ .rep 44000 -+ _nop -+ _nop -+ .endr -+ l32r a2, .L1 -+ ret |