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implement FUITOS and FUITOD

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llvm-svn: 30803
This commit is contained in:
Rafael Espindola 2006-10-07 14:24:52 +00:00
parent 90a24709fb
commit 38e9e2e01d
3 changed files with 48 additions and 3 deletions
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22
lib/Target/ARM/ARMISelDAGToDAG.cpp
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@ -49,6 +49,8 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
setOperationAction(ISD::SINT_TO_FP, MVT::i32, Custom);
setOperationAction(ISD::UINT_TO_FP, MVT::i32, Custom);
setOperationAction(ISD::RET, MVT::Other, Custom);
setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
setOperationAction(ISD::ConstantPool, MVT::i32, Custom);
@ -88,6 +90,10 @@ namespace llvm {
FSITOD,
FUITOS,
FUITOD,
FMRRD,
FMDRR
@ -124,6 +130,8 @@ const char *ARMTargetLowering::getTargetNodeName(unsigned Opcode) const {
case ARMISD::BR: return "ARMISD::BR";
case ARMISD::FSITOS: return "ARMISD::FSITOS";
case ARMISD::FSITOD: return "ARMISD::FSITOD";
case ARMISD::FUITOS: return "ARMISD::FUITOS";
case ARMISD::FUITOD: return "ARMISD::FUITOD";
case ARMISD::FMRRD: return "ARMISD::FMRRD";
case ARMISD::FMDRR: return "ARMISD::FMDRR";
}
@ -545,6 +553,18 @@ static SDOperand LowerSINT_TO_FP(SDOperand Op, SelectionDAG &DAG) {
return DAG.getNode(op, vt, Tmp);
}
static SDOperand LowerUINT_TO_FP(SDOperand Op, SelectionDAG &DAG) {
SDOperand IntVal = Op.getOperand(0);
assert(IntVal.getValueType() == MVT::i32);
MVT::ValueType vt = Op.getValueType();
assert(vt == MVT::f32 ||
vt == MVT::f64);
SDOperand Tmp = DAG.getNode(ISD::BIT_CONVERT, MVT::f32, IntVal);
ARMISD::NodeType op = vt == MVT::f32 ? ARMISD::FUITOS : ARMISD::FUITOD;
return DAG.getNode(op, vt, Tmp);
}
SDOperand ARMTargetLowering::LowerOperation(SDOperand Op, SelectionDAG &DAG) {
switch (Op.getOpcode()) {
default:
@ -556,6 +576,8 @@ SDOperand ARMTargetLowering::LowerOperation(SDOperand Op, SelectionDAG &DAG) {
return LowerGlobalAddress(Op, DAG);
case ISD::SINT_TO_FP:
return LowerSINT_TO_FP(Op, DAG);
case ISD::UINT_TO_FP:
return LowerUINT_TO_FP(Op, DAG);
case ISD::FORMAL_ARGUMENTS:
return LowerFORMAL_ARGUMENTS(Op, DAG, VarArgsFrameIndex);
case ISD::CALL:

10
lib/Target/ARM/ARMInstrInfo.td
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@ -74,8 +74,10 @@ def armbr : SDNode<"ARMISD::BR", SDTarmbr, [SDNPHasChain, SDNPInFlag]>;
def SDTVoidBinOp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
def armcmp : SDNode<"ARMISD::CMP", SDTVoidBinOp, [SDNPOutFlag]>;
def armfsitos : SDNode<"ARMISD::FSITOS", SDTUnaryOp>;
def armfsitos : SDNode<"ARMISD::FSITOS", SDTUnaryOp>;
def armfsitod : SDNode<"ARMISD::FSITOD", SDTUnaryOp>;
def armfuitos : SDNode<"ARMISD::FUITOS", SDTUnaryOp>;
def armfuitod : SDNode<"ARMISD::FUITOD", SDTUnaryOp>;
def SDTarmfmrrd : SDTypeProfile<0, 3, [SDTCisInt<0>, SDTCisInt<1>, SDTCisFP<2>]>;
def armfmrrd : SDNode<"ARMISD::FMRRD", SDTarmfmrrd,
@ -184,6 +186,12 @@ def FSITOS : InstARM<(ops FPRegs:$dst, FPRegs:$src),
def FSITOD : InstARM<(ops DFPRegs:$dst, FPRegs:$src),
"fsitod $dst, $src", [(set DFPRegs:$dst, (armfsitod FPRegs:$src))]>;
def FUITOS : InstARM<(ops FPRegs:$dst, FPRegs:$src),
"fuitos $dst, $src", [(set FPRegs:$dst, (armfuitos FPRegs:$src))]>;
def FUITOD : InstARM<(ops DFPRegs:$dst, FPRegs:$src),
"fuitod $dst, $src", [(set DFPRegs:$dst, (armfuitod FPRegs:$src))]>;
// Floating Point Arithmetic
def FADDS : InstARM<(ops FPRegs:$dst, FPRegs:$a, FPRegs:$b),

19
test/Regression/CodeGen/ARM/fp.ll
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@ -1,12 +1,14 @@
; RUN: llvm-as < %s | llc -march=arm &&
; RUN: llvm-as < %s | llc -march=arm | grep fmsr | wc -l | grep 2 &&
; RUN: llvm-as < %s | llc -march=arm | grep fmsr | wc -l | grep 4 &&
; RUN: llvm-as < %s | llc -march=arm | grep fsitos &&
; RUN: llvm-as < %s | llc -march=arm | grep fmrs &&
; RUN: llvm-as < %s | llc -march=arm | grep fsitod &&
; RUN: llvm-as < %s | llc -march=arm | grep fmrrd | wc -l | grep 4 &&
; RUN: llvm-as < %s | llc -march=arm | grep fmrrd | wc -l | grep 5 &&
; RUN: llvm-as < %s | llc -march=arm | grep fmdrr | wc -l | grep 2 &&
; RUN: llvm-as < %s | llc -march=arm | grep fldd &&
; RUN: llvm-as < %s | llc -march=arm | grep flds &&
; RUN: llvm-as < %s | llc -march=arm | grep fuitod &&
; RUN: llvm-as < %s | llc -march=arm | grep fuitos &&
; RUN: llvm-as < %s | llc -march=arm | grep ".word.*1065353216"
float %f(int %a) {
@ -21,6 +23,19 @@ entry:
ret double %tmp
}
double %uint_to_double(uint %a) {
entry:
%tmp = cast uint %a to double
ret double %tmp
}
float %uint_to_float(uint %a) {
entry:
%tmp = cast uint %a to float
ret float %tmp
}
double %h(double* %v) {
entry:
%tmp = load double* %v ; <double> [#uses=1]