src/atomicops_internals_x86_gcc.cc - Issue 212723003: MSan does not understand inline asm. This change preinitializes cpuid

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Unified Diff: src/atomicops_internals_x86_gcc.cc

Issue 212723003: MSan does not understand inline asm. This change preinitializes cpuid (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/

Patch Set: Created 6 years, 9 months ago

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Index: src/atomicops_internals_x86_gcc.cc

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

--- src/atomicops_internals_x86_gcc.cc (revision 20276)

+++ src/atomicops_internals_x86_gcc.cc (working copy)

@@ -77,10 +77,10 @@

void AtomicOps_Internalx86CPUFeaturesInit() {

using v8::internal::AtomicOps_Internalx86CPUFeatures;

- uint32_t eax;

- uint32_t ebx;

- uint32_t ecx;

- uint32_t edx;

+ uint32_t eax = 0;

+ uint32_t ebx = 0;

+ uint32_t ecx = 0;

+ uint32_t edx = 0;

// Get vendor string (issue CPUID with eax = 0)

cpuid(eax, ebx, ecx, edx, 0);

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