src/base/atomicops_internals_tsan.h - Issue 345443003: v8 atomicops: Drop SSE2 detection if __SSE2__ is defined.

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Unified Diff: src/base/atomicops_internals_tsan.h

Issue 345443003: v8 atomicops: Drop SSE2 detection if __SSE2__ is defined. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/

Patch Set: Created 6 years, 6 months ago

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Index: src/base/atomicops_internals_tsan.h

===================================================================

--- src/base/atomicops_internals_tsan.h (revision 21880)

+++ src/base/atomicops_internals_tsan.h (working copy)

@@ -23,7 +23,9 @@

struct AtomicOps_x86CPUFeatureStruct {

bool has_amd_lock_mb_bug; // Processor has AMD memory-barrier bug; do lfence

// after acquire compare-and-swap.

+#if !defined(__SSE2__)

bool has_sse2; // Processor has SSE2.

+#endif

};

extern struct AtomicOps_x86CPUFeatureStruct

AtomicOps_Internalx86CPUFeatures;

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