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| author | Akira Hatanaka <ahatanaka@mips.com> | 2012-12-21 22:43:58 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-12-21 22:43:58 +0000 |
| commit | 35242e27c578da3915451079b5bdd7b9a89ed77c (patch) | |
| tree | 8d9ce6cfd27ec45b8d3ac95ed7a2725f0b7e4068 /lib/Target/Mips/MipsInstrFormats.td | |
| parent | 8aaed99a99fcb879be2ed9bbc25a68c2e8558960 (diff) | |
| download | external_llvm-35242e27c578da3915451079b5bdd7b9a89ed77c.zip external_llvm-35242e27c578da3915451079b5bdd7b9a89ed77c.tar.gz external_llvm-35242e27c578da3915451079b5bdd7b9a89ed77c.tar.bz2 | |
[mips] Refactor count leading zero or one instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170942 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/MipsInstrFormats.td')
| -rw-r--r-- | lib/Target/Mips/MipsInstrFormats.td | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/Target/Mips/MipsInstrFormats.td b/lib/Target/Mips/MipsInstrFormats.td index 89bcd38..8dad6c2 100644 --- a/lib/Target/Mips/MipsInstrFormats.td +++ b/lib/Target/Mips/MipsInstrFormats.td @@ -340,6 +340,22 @@ class SEB_FM<bits<5> funct> { let Inst{5-0} = 0x20; } +class CLO_FM<bits<6> funct> { + bits<5> rd; + bits<5> rs; + bits<5> rt; + + bits<32> Inst; + + let Inst{31-26} = 0x1c; + let Inst{25-21} = rs; + let Inst{20-16} = rt; + let Inst{15-11} = rd; + let Inst{10-6} = 0; + let Inst{5-0} = funct; + let rt = rd; +} + //===----------------------------------------------------------------------===// // // FLOATING POINT INSTRUCTION FORMATS |