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Diffstat (limited to 'lib/Target/PowerPC/PPCInstrInfo.cpp')
-rw-r--r--lib/Target/PowerPC/PPCInstrInfo.cpp61
1 files changed, 0 insertions, 61 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp
index 90e3472795..c17108fa92 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -39,67 +39,6 @@ PPCInstrInfo::PPCInstrInfo(PPCTargetMachine &tm)
: TargetInstrInfoImpl(PPCInsts, array_lengthof(PPCInsts)), TM(tm),
RI(*TM.getSubtargetImpl(), *this) {}
-bool PPCInstrInfo::isMoveInstr(const MachineInstr& MI,
- unsigned& sourceReg,
- unsigned& destReg,
- unsigned& sourceSubIdx,
- unsigned& destSubIdx) const {
- sourceSubIdx = destSubIdx = 0; // No sub-registers.
-
- unsigned oc = MI.getOpcode();
- if (oc == PPC::OR || oc == PPC::OR8 || oc == PPC::VOR ||
- oc == PPC::OR4To8 || oc == PPC::OR8To4) { // or r1, r2, r2
- assert(MI.getNumOperands() >= 3 &&
- MI.getOperand(0).isReg() &&
- MI.getOperand(1).isReg() &&
- MI.getOperand(2).isReg() &&
- "invalid PPC OR instruction!");
- if (MI.getOperand(1).getReg() == MI.getOperand(2).getReg()) {
- sourceReg = MI.getOperand(1).getReg();
- destReg = MI.getOperand(0).getReg();
- return true;
- }
- } else if (oc == PPC::ADDI) { // addi r1, r2, 0
- assert(MI.getNumOperands() >= 3 &&
- MI.getOperand(0).isReg() &&
- MI.getOperand(2).isImm() &&
- "invalid PPC ADDI instruction!");
- if (MI.getOperand(1).isReg() && MI.getOperand(2).getImm() == 0) {
- sourceReg = MI.getOperand(1).getReg();
- destReg = MI.getOperand(0).getReg();
- return true;
- }
- } else if (oc == PPC::ORI) { // ori r1, r2, 0
- assert(MI.getNumOperands() >= 3 &&
- MI.getOperand(0).isReg() &&
- MI.getOperand(1).isReg() &&
- MI.getOperand(2).isImm() &&
- "invalid PPC ORI instruction!");
- if (MI.getOperand(2).getImm() == 0) {
- sourceReg = MI.getOperand(1).getReg();
- destReg = MI.getOperand(0).getReg();
- return true;
- }
- } else if (oc == PPC::FMR) { // fmr r1, r2
- assert(MI.getNumOperands() >= 2 &&
- MI.getOperand(0).isReg() &&
- MI.getOperand(1).isReg() &&
- "invalid PPC FMR instruction");
- sourceReg = MI.getOperand(1).getReg();
- destReg = MI.getOperand(0).getReg();
- return true;
- } else if (oc == PPC::MCRF) { // mcrf cr1, cr2
- assert(MI.getNumOperands() >= 2 &&
- MI.getOperand(0).isReg() &&
- MI.getOperand(1).isReg() &&
- "invalid PPC MCRF instruction");
- sourceReg = MI.getOperand(1).getReg();
- destReg = MI.getOperand(0).getReg();
- return true;
- }
- return false;
-}
-
unsigned PPCInstrInfo::isLoadFromStackSlot(const MachineInstr *MI,
int &FrameIndex) const {
switch (MI->getOpcode()) {