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0031483: Configuration - __asm keyword not supported on ARM within Windows target

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_M_IX86 is now checked before using _asm fot TBB workaround.
This commit is contained in:
kgv 2020-04-02 15:38:46 +03:00 committed by bugmaster
parent 3f7e5e99d5
commit 247ecf1b16
1 changed files with 7 additions and 7 deletions
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14
src/Standard/Standard.cxx
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@ -101,14 +101,14 @@ Standard_MMgrFactory::Standard_MMgrFactory()
aVar = getenv ("MMGT_OPT");
Standard_Integer anAllocId = (aVar ? atoi (aVar): OCCT_MMGT_OPT_DEFAULT);
#if defined(_WIN32) && !defined(_WIN64) && !defined(__MINGW32__)
static const DWORD _SSE2_FEATURE_BIT(0x04000000);
if ( anAllocId == 2 )
#if defined(HAVE_TBB) && defined(_M_IX86)
if (anAllocId == 2)
{
// CR25396: Check if SSE2 instructions are supported, if not then use MMgrRaw
// instead of MMgrTBBalloc. It is to avoid runtime crash when running on a
// CPU that supports SSE but does not support SSE2 (some modifications of
// AMD Sempron).
// CR25396: Check if SSE2 instructions are supported on 32-bit x86 processor on Windows platform,
// if not then use MMgrRaw instead of MMgrTBBalloc.
// It is to avoid runtime crash when running on a CPU
// that supports SSE but does not support SSE2 (some modifications of AMD Sempron).
static const DWORD _SSE2_FEATURE_BIT(0x04000000);
DWORD volatile dwFeature;
_asm
{