maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Use t2LDRri12 for frame index loads. 

llvm-svn: 76424
This commit is contained in:
David Goodwin 2009-07-20 15:55:39 +00:00
parent 40ed0ae8ef
commit 802a0b576f
1 changed files with 11 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
View File

@ -596,8 +596,17 @@ bool ARMDAGToDAGISel::SelectT2ShifterOperandReg(SDValue Op, SDValue N,
bool ARMDAGToDAGISel::SelectT2AddrModeImm12(SDValue Op, SDValue N,
SDValue &Base, SDValue &OffImm) {
// Match simple R + imm12 operands.
if (N.getOpcode() != ISD::ADD)
// Match frame index...
if (N.getOpcode() != ISD::ADD) {
if (N.getOpcode() == ISD::FrameIndex) {
int FI = cast<FrameIndexSDNode>(N)->getIndex();
Base = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy());
OffImm = CurDAG->getTargetConstant(0, MVT::i32);
return true;
}
return false;
}
if (ConstantSDNode *RHS = dyn_cast<ConstantSDNode>(N.getOperand(1))) {
int RHSC = (int)RHS->getZExtValue();
@ -686,8 +695,7 @@ bool ARMDAGToDAGISel::SelectT2AddrModeSoReg(SDValue Op, SDValue N,
if (N.getOpcode() != ISD::ADD && N.getOpcode() != ISD::SUB) {
Base = N;
if (N.getOpcode() == ISD::FrameIndex) {
int FI = cast<FrameIndexSDNode>(N)->getIndex();
Base = CurDAG->getTargetFrameIndex(FI, TLI.getPointerTy());
return false; // we want to select t2LDRri12 instead
} else if (N.getOpcode() == ARMISD::Wrapper) {
Base = N.getOperand(0);
if (Base.getOpcode() == ISD::TargetConstantPool)