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Does memcmp_sse4_2 actually use SSE 4.2 instructions?


Hi,

I can't seem to find any SSE 4.2 instructions in
sysdeps/i386/i686/multiarch/memcmp-sse4.S.

It uses ptest, which is in 4.1 but apparently no 4.2 instructions.

Should I send a patch?

Thanks,
Matt


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