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| author | Roman Lebedev <lebedev.ri@gmail.com> | 2021-05-14 13:37:22 +0300 |
|---|---|---|
| committer | Roman Lebedev <lebedev.ri@gmail.com> | 2021-05-14 14:06:23 +0300 |
| commit | f38dcbecb643e30931b56bbcf37254477eac3977 (patch) | |
| tree | 11f38d0de44352521ad2f3711e2f6c11a8badb6b /llvm/unittests/Support/MathExtrasTest.cpp | |
| parent | c79c7bb980054fa7c1ebe5aae0e90755fe9a1314 (diff) | |
| download | llvm-f38dcbecb643e30931b56bbcf37254477eac3977.zip llvm-f38dcbecb643e30931b56bbcf37254477eac3977.tar.gz llvm-f38dcbecb643e30931b56bbcf37254477eac3977.tar.bz2 | |
[X86] AMD Zen 3: same-reg SSE XMM ANDNPS is a 1-cycle(!) dep-breaking zero-idiom
Same as SSE XMM XORPS/XORPD, it is not zero-cycle, even though it breaks the deps.
As confirmed by the exegesis measurements, and ref docs.
Diffstat (limited to 'llvm/unittests/Support/MathExtrasTest.cpp')
0 files changed, 0 insertions, 0 deletions