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| author | Evan Cheng <evan.cheng@apple.com> | 2009-01-20 19:12:24 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-01-20 19:12:24 +0000 |
| commit | f97496a054876b3bb9c0acf424379eb2f48377ce (patch) | |
| tree | 83e8495f021a9e995df02cb9df4ed332e369e336 /lib/Target/Mips/MipsInstrInfo.cpp | |
| parent | 47454b15520c0f632b96c5e5231634a6b092b102 (diff) | |
| download | external_llvm-f97496a054876b3bb9c0acf424379eb2f48377ce.zip external_llvm-f97496a054876b3bb9c0acf424379eb2f48377ce.tar.gz external_llvm-f97496a054876b3bb9c0acf424379eb2f48377ce.tar.bz2 | |
Change TargetInstrInfo::isMoveInstr to return source and destination sub-register indices as well.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62600 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/MipsInstrInfo.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsInstrInfo.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/Target/Mips/MipsInstrInfo.cpp b/lib/Target/Mips/MipsInstrInfo.cpp index e71d26d..daff538 100644 --- a/lib/Target/Mips/MipsInstrInfo.cpp +++ b/lib/Target/Mips/MipsInstrInfo.cpp @@ -30,8 +30,11 @@ static bool isZeroImm(const MachineOperand &op) { /// Return true if the instruction is a register to register move and /// leave the source and dest operands in the passed parameters. bool MipsInstrInfo:: -isMoveInstr(const MachineInstr &MI, unsigned &SrcReg, unsigned &DstReg) const +isMoveInstr(const MachineInstr &MI, unsigned &SrcReg, unsigned &DstReg, + unsigned &SrcSubIdx, unsigned &DstSubIdx) const { + SrcSubIdx = DstSubIdx = 0; // No sub-registers. + // addu $dst, $src, $zero || addu $dst, $zero, $src // or $dst, $src, $zero || or $dst, $zero, $src if ((MI.getOpcode() == Mips::ADDu) || (MI.getOpcode() == Mips::OR)) { |