From 8028a87c96df0fff5ab58daeec30c43ce6fb0d20 Mon Sep 17 00:00:00 2001
From: Derek Mauro <dmauro@google.com>
Date: Tue, 28 Nov 2023 09:36:00 -0800
Subject: Avoid #pragma intrinsic(_mm_prefetch) on Arm64EC (and other platforms
 without SSE)

Closes #1575

PiperOrigin-RevId: 586009018
Change-Id: Icc34c1201268303dde96bfbb067506b861754b3a
---
 absl/base/prefetch.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'absl/base')

diff --git a/absl/base/prefetch.h b/absl/base/prefetch.h
index 98b3bf96..eb40a445 100644
--- a/absl/base/prefetch.h
+++ b/absl/base/prefetch.h
@@ -31,11 +31,12 @@
 #include <xmmintrin.h>
 #endif
 
-#if defined(_MSC_VER) && _MSC_VER >= 1900 && \
-    (defined(_M_X64) || defined(_M_IX86))
+#if defined(_MSC_VER)
 #include <intrin.h>
+#if defined(ABSL_INTERNAL_HAVE_SSE)
 #pragma intrinsic(_mm_prefetch)
 #endif
+#endif
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
-- 
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