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Add patterns for conditional branches with 64-bit register operands.

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llvm-svn: 141696
This commit is contained in:
Akira Hatanaka 2011-10-11 19:09:09 +00:00
parent 1594be76f8
commit 27c0f84dce
2 changed files with 27 additions and 18 deletions
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3
lib/Target/Mips/Mips64InstrInfo.td
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@ -237,6 +237,9 @@ def : Pat<(zextloadi32_u addr:$a), (DSRL (DSLL (ULW64 addr:$a), 32), 32)>,
// hi/lo relocs
def : Pat<(i64 (MipsLo tglobaladdr:$in)), (DADDiu ZERO_64, tglobaladdr:$in)>;
defm : BrcondPats<CPU64Regs, BEQ64, BNE64, SLT64, SLTu64, SLTi64, SLTiu64,
ZERO_64>;
// setcc patterns
def : Pat<(seteq CPU64Regs:$lhs, CPU64Regs:$rhs),
(SLTu64 (DXOR CPU64Regs:$lhs, CPU64Regs:$rhs), 1)>;

42
lib/Target/Mips/MipsInstrInfo.td
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@ -892,27 +892,33 @@ def : Pat<(extloadi16_u addr:$src), (ULHu addr:$src)>;
def : Pat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
// brcond patterns
def : Pat<(brcond (i32 (setne CPURegs:$lhs, 0)), bb:$dst),
(BNE CPURegs:$lhs, ZERO, bb:$dst)>;
def : Pat<(brcond (i32 (seteq CPURegs:$lhs, 0)), bb:$dst),
(BEQ CPURegs:$lhs, ZERO, bb:$dst)>;
multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
Instruction SLTiuOp, Register ZEROReg> {
def : Pat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
(BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
def : Pat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
(BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
def : Pat<(brcond (i32 (setge CPURegs:$lhs, CPURegs:$rhs)), bb:$dst),
(BEQ (SLT CPURegs:$lhs, CPURegs:$rhs), ZERO, bb:$dst)>;
def : Pat<(brcond (i32 (setuge CPURegs:$lhs, CPURegs:$rhs)), bb:$dst),
(BEQ (SLTu CPURegs:$lhs, CPURegs:$rhs), ZERO, bb:$dst)>;
def : Pat<(brcond (i32 (setge CPURegs:$lhs, immSExt16:$rhs)), bb:$dst),
(BEQ (SLTi CPURegs:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
def : Pat<(brcond (i32 (setuge CPURegs:$lhs, immSExt16:$rhs)), bb:$dst),
(BEQ (SLTiu CPURegs:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
def : Pat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
(BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
def : Pat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
(BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
def : Pat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
(BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
def : Pat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
(BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
def : Pat<(brcond (i32 (setle CPURegs:$lhs, CPURegs:$rhs)), bb:$dst),
(BEQ (SLT CPURegs:$rhs, CPURegs:$lhs), ZERO, bb:$dst)>;
def : Pat<(brcond (i32 (setule CPURegs:$lhs, CPURegs:$rhs)), bb:$dst),
(BEQ (SLTu CPURegs:$rhs, CPURegs:$lhs), ZERO, bb:$dst)>;
def : Pat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
(BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
def : Pat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
(BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
def : Pat<(brcond CPURegs:$cond, bb:$dst),
(BNE CPURegs:$cond, ZERO, bb:$dst)>;
def : Pat<(brcond RC:$cond, bb:$dst),
(BNEOp RC:$cond, ZEROReg, bb:$dst)>;
}
defm : BrcondPats<CPURegs, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
// select patterns
multiclass MovzPats<RegisterClass RC, Instruction MOVZInst> {