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| author | Craig Topper <craig.topper@intel.com> | 2017-12-25 06:47:08 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2017-12-25 06:47:08 +0000 |
| commit | b28460a0d6c02e7938d69daf54cf9b8e17bf431b (patch) | |
| tree | e8659f886b8fd41eab265ca79616d208badd5fd1 /llvm/lib | |
| parent | 1ec1a9558a37cce5ae084482d19a8a4506b3feb3 (diff) | |
| download | bcm5719-llvm-b28460a0d6c02e7938d69daf54cf9b8e17bf431b.tar.gz bcm5719-llvm-b28460a0d6c02e7938d69daf54cf9b8e17bf431b.zip | |
[X86] Add avx512vl and avx512dq command lines to combine-pmuldq.ll to demonstrate where we fail to use pmuldq/pmuludq and use to pmullq instead.
It's nice that pmullq exists, but it has higher latency and probably lower throughput than pmuldq/pmuludq. We should prefer those if we can.
llvm-svn: 321436
Diffstat (limited to 'llvm/lib')
0 files changed, 0 insertions, 0 deletions
