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| author | Craig Topper <craig.topper@intel.com> | 2017-12-16 19:31:36 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2017-12-16 19:31:36 +0000 |
| commit | 1260a4e826ecff1ba6a9076336fb735cc90dcd76 (patch) | |
| tree | 5bf3626d9e3f991fd45d00079f09b428ea1d1e0b /llvm/lib/Object/WasmObjectFile.cpp | |
| parent | 5029d676f82782c36b2217a542286eb1773756d5 (diff) | |
| download | llvm-1260a4e826ecff1ba6a9076336fb735cc90dcd76.zip llvm-1260a4e826ecff1ba6a9076336fb735cc90dcd76.tar.gz llvm-1260a4e826ecff1ba6a9076336fb735cc90dcd76.tar.bz2 | |
[X86] When using vpopcntdq for ctpop of v8i16 vectors, only promote to v8i32.
Previously we promoted to v8i64, but we don't need to go all the way to 512-bits. If we have VLX we can use the 256-bit instruction. And even if we don't have VLX we can widen v8i32 to v16i32 and drop the upper half.
llvm-svn: 320926
Diffstat (limited to 'llvm/lib/Object/WasmObjectFile.cpp')
0 files changed, 0 insertions, 0 deletions