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| author | Akira Hatanaka <ahatanaka@mips.com> | 2012-12-20 03:48:24 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-12-20 03:48:24 +0000 |
| commit | cdc0c59d1ed5ac6c616b8899222d1e102ccd9f8d (patch) | |
| tree | 5ae6b951369743d61bb912a2b66cc2b65ea5414f /lib/Target/Mips/MipsInstrFormats.td | |
| parent | 0dad34a9bf850132e9ec84397f13604143c3aeff (diff) | |
| download | llvm-cdc0c59d1ed5ac6c616b8899222d1e102ccd9f8d.tar.gz llvm-cdc0c59d1ed5ac6c616b8899222d1e102ccd9f8d.tar.bz2 llvm-cdc0c59d1ed5ac6c616b8899222d1e102ccd9f8d.tar.xz | |
[mips] Refactor shift instructions with register operands. Separate encoding
information from the rest.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170650 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 585b63b7e6..512dcff28f 100644 --- a/lib/Target/Mips/MipsInstrFormats.td +++ b/lib/Target/Mips/MipsInstrFormats.td @@ -236,6 +236,22 @@ class SRA_FM<bits<6> funct, bit rotate> { let Inst{5-0} = funct; } +class SRLV_FM<bits<6> funct, bit rotate> { + bits<5> rd; + bits<5> rt; + bits<5> rs; + + bits<32> Inst; + + let Inst{31-26} = 0; + let Inst{25-21} = rs; + let Inst{20-16} = rt; + let Inst{15-11} = rd; + let Inst{10-7} = 0; + let Inst{6} = rotate; + let Inst{5-0} = funct; +} + //===----------------------------------------------------------------------===// // // FLOATING POINT INSTRUCTION FORMATS |