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Update dependencies (#1521)
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10
vendor/golang.org/x/sys/cpu/cpu_x86.go
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vendored
10
vendor/golang.org/x/sys/cpu/cpu_x86.go
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vendored
@ -87,8 +87,14 @@ func archInit() {
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// Check if XMM and YMM registers have OS support.
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osSupportsAVX = isSet(1, eax) && isSet(2, eax)
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// Check if OPMASK and ZMM registers have OS support.
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osSupportsAVX512 = osSupportsAVX && isSet(5, eax) && isSet(6, eax) && isSet(7, eax)
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if runtime.GOOS == "darwin" {
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// Check darwin commpage for AVX512 support. Necessary because:
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// https://github.com/apple/darwin-xnu/blob/0a798f6738bc1db01281fc08ae024145e84df927/osfmk/i386/fpu.c#L175-L201
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osSupportsAVX512 = osSupportsAVX && darwinSupportsAVX512()
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} else {
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// Check if OPMASK and ZMM registers have OS support.
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osSupportsAVX512 = osSupportsAVX && isSet(5, eax) && isSet(6, eax) && isSet(7, eax)
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}
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}
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X86.HasAVX = isSet(28, ecx1) && osSupportsAVX
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