diff options
| author | Akira Hatanaka <ahatanaka@mips.com> | 2012-12-20 03:34:05 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-12-20 03:34:05 +0000 |
| commit | 23a3da0113600a2c3204f766cbc51d68a8ed4d94 (patch) | |
| tree | 0c2487d90aa8490c46d87c1babdeb682a3c80add /lib/Target/Mips/MipsInstrFormats.td | |
| parent | 7d31849c44a15924cb1e0d7b72d540c80c27abac (diff) | |
[mips] Refactor arithmetic and logic instructions. Separate encoding
information from the rest.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170647 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/MipsInstrFormats.td')
| -rw-r--r-- | lib/Target/Mips/MipsInstrFormats.td | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/Target/Mips/MipsInstrFormats.td b/lib/Target/Mips/MipsInstrFormats.td index 986580bf9f8..071764b645e 100644 --- a/lib/Target/Mips/MipsInstrFormats.td +++ b/lib/Target/Mips/MipsInstrFormats.td @@ -192,6 +192,21 @@ class MFC3OP<bits<6> op, bits<5> _mfmt, dag outs, dag ins, string asmstr>: let Inst{2-0} = sel; } +class ADD_FM<bits<6> op, bits<6> funct> { + bits<5> rd; + bits<5> rs; + bits<5> rt; + + bits<32> Inst; + + let Inst{31-26} = op; + 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; +} + //===----------------------------------------------------------------------===// // // FLOATING POINT INSTRUCTION FORMATS |