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| author | Tom Stellard <thomas.stellard@amd.com> | 2013-05-03 17:21:20 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2013-05-03 17:21:20 +0000 |
| commit | 83f0a5a5e8e132b3ce39f15ed2583ad344b88ec4 (patch) | |
| tree | 724d830066a560147a6f33911b837b5e16213171 /lib/Target/R600/AMDGPUInstructions.td | |
| parent | 218b20a81e28ab069dd69684f1a8208ec8e1704c (diff) | |
| download | llvm-83f0a5a5e8e132b3ce39f15ed2583ad344b88ec4.tar.gz llvm-83f0a5a5e8e132b3ce39f15ed2583ad344b88ec4.tar.bz2 llvm-83f0a5a5e8e132b3ce39f15ed2583ad344b88ec4.tar.xz | |
R600: Add pattern for SHA-256 Ma function
This can be optimized using the BFI_INT instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181033 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/R600/AMDGPUInstructions.td')
| -rw-r--r-- | lib/Target/R600/AMDGPUInstructions.td | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Target/R600/AMDGPUInstructions.td b/lib/Target/R600/AMDGPUInstructions.td index 83e1359950..b44d2482d5 100644 --- a/lib/Target/R600/AMDGPUInstructions.td +++ b/lib/Target/R600/AMDGPUInstructions.td @@ -276,6 +276,14 @@ multiclass BFIPatterns <Instruction BFI_INT> { } +// SHA-256 Ma patterns + +// ((x & z) | (y & (x | z))) -> BFI_INT (XOR x, y), z, y +class SHA256MaPattern <Instruction BFI_INT, Instruction XOR> : Pat < + (or (and i32:$x, i32:$z), (and i32:$y, (or i32:$x, i32:$z))), + (BFI_INT (XOR i32:$x, i32:$y), i32:$z, i32:$y) +>; + include "R600Instructions.td" include "SIInstrInfo.td" |