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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-02-15 14:37:59 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-02-15 14:37:59 +0000 |
| commit | 17bb6f0755876354428e0b88926905ad6e631c1a (patch) | |
| tree | 3b9a5593da39064caa8f7d7b930f5e44048ff829 /llvm/lib/CodeGen/MachineBasicBlock.cpp | |
| parent | 23bc73b6263c77894785948c13e7a91416ec5783 (diff) | |
| download | llvm-17bb6f0755876354428e0b88926905ad6e631c1a.zip llvm-17bb6f0755876354428e0b88926905ad6e631c1a.tar.gz llvm-17bb6f0755876354428e0b88926905ad6e631c1a.tar.bz2 | |
[X86][SSE] combineTruncateWithSat - use truncateVectorWithPACK to chain PACKUS vXi32-vXi8 saturated truncation
We can use PACKSS/PACKUS to saturate each stage of the chain: PACKSSDW down to [-32768,32767] and then PACKUSWB to [0,255].
llvm-svn: 325243
Diffstat (limited to 'llvm/lib/CodeGen/MachineBasicBlock.cpp')
0 files changed, 0 insertions, 0 deletions