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tweaks for AVX detection

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This commit is contained in:
Paul Davis 2015-08-14 07:29:40 -04:00
parent 07dc805919
commit f77a409b0c
1 changed files with 3 additions and 3 deletions
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6
libs/pbd/fpu.cc
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@ -153,9 +153,9 @@ FPU::FPU ()
__cpuid (cpu_info, 1);
if ((cpu_info[2] & (1<<27)) /* AVX */ &&
(cpu_info[2] & (1<<28) /* (OS)XSAVE */) &&
(_xgetbv (_XCR_XFEATURE_ENABLED_MASK) & 0x6)) { /* OS really supports XSAVE */
if ((cpu_info[2] & (1<<27)) /* OSXSAVE */ &&
(cpu_info[2] & (1<<28) /* AVX */) &&
((_xgetbv (_XCR_XFEATURE_ENABLED_MASK) & 0x6) == 0x6)) { /* OS really supports XSAVE */
info << _("AVX-capable processor") << endmsg;
_flags = Flags (_flags | (HasAVX) );
}