Avoid #pragma intrinsic(_mm_prefetch) on Arm64EC (and other platforms

without SSE) Closes #1575 PiperOrigin-RevId: 586009018 Change-Id: Icc34c1201268303dde96bfbb067506b861754b3a

Avoid #pragma intrinsic(_mm_prefetch) on Arm64EC (and other platforms
without SSE) Closes #1575 PiperOrigin-RevId: 586009018 Change-Id: Icc34c1201268303dde96bfbb067506b861754b3a
8028a87c · Derek Mauro · Copybara-Service · 0c09fd0f · 8028a87c
Commit 8028a87c authored Nov 28, 2023 by Derek Mauro Committed by Copybara-Service Nov 28, 2023
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absl/base/prefetch.h
+3 -2

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--- 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