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Add support for copying registers. still needed: spilling and reloading them

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llvm-svn: 26800
This commit is contained in:
Chris Lattner 2006-03-16 20:03:58 +00:00
parent 413bb13b27
commit bf153651b1
3 changed files with 7 additions and 1 deletions
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2
lib/Target/PowerPC/PPCInstrInfo.cpp
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@ -25,7 +25,7 @@ bool PPCInstrInfo::isMoveInstr(const MachineInstr& MI,
unsigned& sourceReg,
unsigned& destReg) const {
MachineOpCode oc = MI.getOpcode();
if (oc == PPC::OR4 || oc == PPC::OR8 ||
if (oc == PPC::OR4 || oc == PPC::OR8 || oc == PPC::VOR ||
oc == PPC::OR4To8 || oc == PPC::OR8To4) { // or r1, r2, r2
assert(MI.getNumOperands() == 3 &&
MI.getOperand(0).isRegister() &&

4
lib/Target/PowerPC/PPCInstrInfo.td
View File

@ -1009,6 +1009,9 @@ def VRSQRTEFP : VXForm_2<330, (ops VRRC:$vD, VRRC:$vB),
def VSUBFP : VXForm_1<74, (ops VRRC:$vD, VRRC:$vA, VRRC:$vB),
"vsubfp $vD, $vA, $vB", VecFP,
[(set VRRC:$vD, (fsub VRRC:$vA, VRRC:$vB))]>;
def VOR : VXForm_1<1156, (ops VRRC:$vD, VRRC:$vA, VRRC:$vB),
"vor $vD, $vA, $vB", VecFP,
[]>;
def VXOR : VXForm_1<1220, (ops VRRC:$vD, VRRC:$vA, VRRC:$vB),
"vxor $vD, $vA, $vB", VecFP,
[]>;
@ -1151,6 +1154,7 @@ def : Pat<(v4i32 (load xoaddr:$src)),
def : Pat<(store (v4i32 VRRC:$rS), xoaddr:$dst),
(STVX (v4i32 VRRC:$rS), xoaddr:$dst)>;
// Same as above, but using a temporary. FIXME: implement temporaries :)
/*
def : Pattern<(xor GPRC:$in, imm:$imm),

2
lib/Target/PowerPC/PPCRegisterInfo.cpp
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@ -110,6 +110,8 @@ void PPCRegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
BuildMI(MBB, MI, PPC::FMRD, 1, DestReg).addReg(SrcReg);
} else if (RC == PPC::CRRCRegisterClass) {
BuildMI(MBB, MI, PPC::MCRF, 1, DestReg).addReg(SrcReg);
} else if (RC == PPC::VRRCRegisterClass) {
BuildMI(MBB, MI, PPC::VOR, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
} else {
std::cerr << "Attempt to copy register that is not GPR or FPR";
abort();