diff options
Diffstat (limited to 'vendor/golang.org/x/sys/cpu/cpu_x86.go')
| -rw-r--r-- | vendor/golang.org/x/sys/cpu/cpu_x86.go | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/vendor/golang.org/x/sys/cpu/cpu_x86.go b/vendor/golang.org/x/sys/cpu/cpu_x86.go index c29f5e4c5..600a68078 100644 --- a/vendor/golang.org/x/sys/cpu/cpu_x86.go +++ b/vendor/golang.org/x/sys/cpu/cpu_x86.go @@ -92,10 +92,8 @@ func archInit() { osSupportsAVX = isSet(1, eax) && isSet(2, eax) if runtime.GOOS == "darwin" { - // Darwin doesn't save/restore AVX-512 mask registers correctly across signal handlers. - // Since users can't rely on mask register contents, let's not advertise AVX-512 support. - // See issue 49233. - osSupportsAVX512 = false + // Darwin requires special AVX512 checks, see cpu_darwin_x86.go + osSupportsAVX512 = osSupportsAVX && darwinSupportsAVX512() } else { // Check if OPMASK and ZMM registers have OS support. osSupportsAVX512 = osSupportsAVX && isSet(5, eax) && isSet(6, eax) && isSet(7, eax) |