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authorJim Grosbach <grosbach@apple.com>2011-03-10 23:56:09 +0000
committerJim Grosbach <grosbach@apple.com>2011-03-10 23:56:09 +0000
commitd4a16ad85d991ff12487b40ef248833448047ead (patch)
tree5d03d83f2200e710283f8f5141194475b6cd0990 /lib
parentc9f2f61d3426d30605b22ccbd112272d1d36cd28 (diff)
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Properly pseudo-ize MOVCCr and MOVCCs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127434 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/Target/ARM/ARMExpandPseudoInsts.cpp27
-rw-r--r--lib/Target/ARM/ARMInstrInfo.td35
2 files changed, 36 insertions, 26 deletions
diff --git a/lib/Target/ARM/ARMExpandPseudoInsts.cpp b/lib/Target/ARM/ARMExpandPseudoInsts.cpp
index de87ec359d..4b9dd37f73 100644
--- a/lib/Target/ARM/ARMExpandPseudoInsts.cpp
+++ b/lib/Target/ARM/ARMExpandPseudoInsts.cpp
@@ -708,6 +708,33 @@ bool ARMExpandPseudo::ExpandMI(MachineBasicBlock &MBB,
switch (Opcode) {
default:
return false;
+ case ARM::MOVCCr: {
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVr),
+ MI.getOperand(1).getReg())
+ .addReg(MI.getOperand(2).getReg(),
+ getKillRegState(MI.getOperand(2).isKill()))
+ .addImm(MI.getOperand(3).getImm()) // 'pred'
+ .addReg(MI.getOperand(4).getReg())
+ .addReg(0); // 's' bit
+
+ MI.eraseFromParent();
+ return true;
+ }
+ case ARM::MOVCCs: {
+ BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::MOVs),
+ (MI.getOperand(1).getReg()))
+ .addReg(MI.getOperand(2).getReg(),
+ getKillRegState(MI.getOperand(2).isKill()))
+ .addReg(MI.getOperand(3).getReg(),
+ getKillRegState(MI.getOperand(3).isKill()))
+ .addImm(MI.getOperand(4).getImm())
+ .addImm(MI.getOperand(5).getImm()) // 'pred'
+ .addReg(MI.getOperand(6).getReg())
+ .addReg(0); // 's' bit
+
+ MI.eraseFromParent();
+ return true;
+ }
case ARM::Int_eh_sjlj_dispatchsetup: {
MachineFunction &MF = *MI.getParent()->getParent();
const ARMBaseInstrInfo *AII =
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 6aad275086..b586ea0a77 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -3152,32 +3152,15 @@ def BCCZi64 : PseudoInst<(outs),
// the normal MOV instructions. That would fix the dependency on
// special casing them in tblgen.
let neverHasSideEffects = 1 in {
-def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
- IIC_iCMOVr, "mov", "\t$Rd, $Rm",
- [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $Rd">, UnaryDP {
- bits<4> Rd;
- bits<4> Rm;
- let Inst{25} = 0;
- let Inst{20} = 0;
- let Inst{15-12} = Rd;
- let Inst{11-4} = 0b00000000;
- let Inst{3-0} = Rm;
-}
-
-def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
- (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
- "mov", "\t$Rd, $shift",
- [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $Rd">, UnaryDP {
- bits<4> Rd;
- bits<12> shift;
- let Inst{25} = 0;
- let Inst{20} = 0;
- let Inst{19-16} = 0;
- let Inst{15-12} = Rd;
- let Inst{11-0} = shift;
-}
+def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
+ Size4Bytes, IIC_iCMOVr,
+ [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
+ RegConstraint<"$false = $Rd">;
+def MOVCCs : ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$false, so_reg:$shift, pred:$p),
+ Size4Bytes, IIC_iCMOVsr,
+ [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
+ RegConstraint<"$false = $Rd">;
let isMoveImm = 1 in
def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, i32imm_hilo16:$imm),