Support FMA3 without AVX

klauspost / cpuid

CPU feature identification for Go

MIT License

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Support FMA3 without AVX #65

Closed klauspost closed 3 years ago

klauspost commented 3 years ago

Martin Moehrmann:

As I learned recently FMA only really requires OSXSAVE as per intel manual. so while uncommon someone might use FMA with sse registers on machine with no AVX or support to store and restore YMM registers. also know as users still using windows vista kernels