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Fix a bug in FP_EXTEND, implement FP_TO_SINT

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23121 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-08-28 23:59:09 +00:00
parent 528f58e813
commit c8a89a1fcb
1 changed files with 15 additions and 3 deletions
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18
lib/Target/PowerPC/PPCISelDAGToDAG.cpp
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@ -17,6 +17,7 @@
#include "PPC32ISelLowering.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/SSARegMap.h"
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/CodeGen/SelectionDAGISel.h"
@ -1080,15 +1081,26 @@ SDOperand PPC32DAGToDAGISel::Select(SDOperand Op) {
case ISD::FP_EXTEND: {
assert(MVT::f64 == N->getValueType(0) &&
MVT::f32 == N->getOperand(0).getValueType() && "Illegal FP_EXTEND");
SDOperand Tmp = Select(N->getOperand(0));
CurDAG->ReplaceAllUsesWith(Op, Tmp); // Just use the operand as the result.
return Tmp;
std::vector<SDOperand> Tmp;
Tmp.push_back(Select(N->getOperand(0)));
CurDAG->ReplaceAllUsesWith(N, Tmp); // Just use the operand as the result.
return Tmp[0];
}
case ISD::FP_ROUND:
assert(MVT::f32 == N->getValueType(0) &&
MVT::f64 == N->getOperand(0).getValueType() && "Illegal FP_ROUND");
CurDAG->SelectNodeTo(N, PPC::FRSP, MVT::f32, Select(N->getOperand(0)));
break;
case ISD::FP_TO_SINT: {
SDOperand In = Select(N->getOperand(0));
In = CurDAG->getTargetNode(PPC::FCTIWZ, MVT::f64, In);
int FrameIdx = BB->getParent()->getFrameInfo()->CreateStackObject(8, 8);
SDOperand FI = CurDAG->getTargetFrameIndex(FrameIdx, MVT::f64);
SDOperand ST = CurDAG->getTargetNode(PPC::STFD, MVT::Other, In, FI, getI32Imm(0));
CurDAG->SelectNodeTo(N, PPC::LWZ, MVT::i32, MVT::Other, FI, getI32Imm(4), ST);
break;
}
case ISD::FNEG: {
SDOperand Val = Select(N->getOperand(0));
MVT::ValueType Ty = N->getValueType(0);