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[mips] Reverse the order of source operands of shift and rotate instructions that

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have three register operands.

No intended functionality changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185376 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka 2013-07-01 20:39:53 +00:00
parent 3bd2b92267
commit 5112243aec
2 changed files with 8 additions and 8 deletions
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14
lib/Target/Mips/MipsISelLowering.cpp
View File

@ -1084,9 +1084,9 @@ MipsTargetLowering::emitAtomicBinaryPartword(MachineInstr *MI,
BuildMI(BB, DL, TII->get(Mips::ORi), MaskUpper)
.addReg(Mips::ZERO).addImm(MaskImm);
BuildMI(BB, DL, TII->get(Mips::SLLV), Mask)
.addReg(ShiftAmt).addReg(MaskUpper);
.addReg(MaskUpper).addReg(ShiftAmt);
BuildMI(BB, DL, TII->get(Mips::NOR), Mask2).addReg(Mips::ZERO).addReg(Mask);
BuildMI(BB, DL, TII->get(Mips::SLLV), Incr2).addReg(ShiftAmt).addReg(Incr);
BuildMI(BB, DL, TII->get(Mips::SLLV), Incr2).addReg(Incr).addReg(ShiftAmt);
// atomic.load.binop
// loopMBB:
@ -1147,7 +1147,7 @@ MipsTargetLowering::emitAtomicBinaryPartword(MachineInstr *MI,
BuildMI(BB, DL, TII->get(Mips::AND), MaskedOldVal1)
.addReg(OldVal).addReg(Mask);
BuildMI(BB, DL, TII->get(Mips::SRLV), SrlRes)
.addReg(ShiftAmt).addReg(MaskedOldVal1);
.addReg(MaskedOldVal1).addReg(ShiftAmt);
BuildMI(BB, DL, TII->get(Mips::SLL), SllRes)
.addReg(SrlRes).addImm(ShiftImm);
BuildMI(BB, DL, TII->get(Mips::SRA), Dest)
@ -1334,16 +1334,16 @@ MipsTargetLowering::emitAtomicCmpSwapPartword(MachineInstr *MI,
BuildMI(BB, DL, TII->get(Mips::ORi), MaskUpper)
.addReg(Mips::ZERO).addImm(MaskImm);
BuildMI(BB, DL, TII->get(Mips::SLLV), Mask)
.addReg(ShiftAmt).addReg(MaskUpper);
.addReg(MaskUpper).addReg(ShiftAmt);
BuildMI(BB, DL, TII->get(Mips::NOR), Mask2).addReg(Mips::ZERO).addReg(Mask);
BuildMI(BB, DL, TII->get(Mips::ANDi), MaskedCmpVal)
.addReg(CmpVal).addImm(MaskImm);
BuildMI(BB, DL, TII->get(Mips::SLLV), ShiftedCmpVal)
.addReg(ShiftAmt).addReg(MaskedCmpVal);
.addReg(MaskedCmpVal).addReg(ShiftAmt);
BuildMI(BB, DL, TII->get(Mips::ANDi), MaskedNewVal)
.addReg(NewVal).addImm(MaskImm);
BuildMI(BB, DL, TII->get(Mips::SLLV), ShiftedNewVal)
.addReg(ShiftAmt).addReg(MaskedNewVal);
.addReg(MaskedNewVal).addReg(ShiftAmt);
// loop1MBB:
// ll oldval,0(alginedaddr)
@ -1379,7 +1379,7 @@ MipsTargetLowering::emitAtomicCmpSwapPartword(MachineInstr *MI,
int64_t ShiftImm = (Size == 1) ? 24 : 16;
BuildMI(BB, DL, TII->get(Mips::SRLV), SrlRes)
.addReg(ShiftAmt).addReg(MaskedOldVal0);
.addReg(MaskedOldVal0).addReg(ShiftAmt);
BuildMI(BB, DL, TII->get(Mips::SLL), SllRes)
.addReg(SrlRes).addImm(ShiftImm);
BuildMI(BB, DL, TII->get(Mips::SRA), Dest)

2
lib/Target/Mips/MipsInstrInfo.td
View File

@ -421,7 +421,7 @@ class shift_rotate_imm<string opstr, Operand ImmOpnd,
class shift_rotate_reg<string opstr, RegisterOperand RC,
SDPatternOperator OpNode = null_frag>:
InstSE<(outs RC:$rd), (ins CPURegsOpnd:$rs, RC:$rt),
InstSE<(outs RC:$rd), (ins RC:$rt, CPURegsOpnd:$rs),
!strconcat(opstr, "\t$rd, $rt, $rs"),
[(set RC:$rd, (OpNode RC:$rt, CPURegsOpnd:$rs))], IIAlu, FrmR, opstr>;