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path: root/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/LegalizeDAG.cpp105
1 files changed, 52 insertions, 53 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index f1cd2cab24..dd7c0e9f33 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -737,6 +737,20 @@ SDOperand SelectionDAGLegalize::UnrollVectorOp(SDOperand Op) {
return DAG.getNode(ISD::BUILD_VECTOR, VT, &Scalars[0], Scalars.size());
}
+/// GetFPLibCall - Return the right libcall for the given floating point type.
+static RTLIB::Libcall GetFPLibCall(MVT::ValueType VT,
+ RTLIB::Libcall Call_F32,
+ RTLIB::Libcall Call_F64,
+ RTLIB::Libcall Call_F80,
+ RTLIB::Libcall Call_PPCF128) {
+ return
+ VT == MVT::f32 ? Call_F32 :
+ VT == MVT::f64 ? Call_F64 :
+ VT == MVT::f80 ? Call_F80 :
+ VT == MVT::ppcf128 ? Call_PPCF128 :
+ RTLIB::UNKNOWN_LIBCALL;
+}
+
/// LegalizeOp - We know that the specified value has a legal type, and
/// that its operands are legal. Now ensure that the operation itself
/// is legal, recursively ensuring that the operands' operations remain
@@ -2774,11 +2788,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
}
break;
case ISD::FPOW:
- LC = VT == MVT::f32 ? RTLIB::POW_F32 :
- VT == MVT::f64 ? RTLIB::POW_F64 :
- VT == MVT::f80 ? RTLIB::POW_F80 :
- VT == MVT::ppcf128 ? RTLIB::POW_PPCF128 :
- RTLIB::UNKNOWN_LIBCALL;
+ LC = GetFPLibCall(VT, RTLIB::POW_F32, RTLIB::POW_F64, RTLIB::POW_F80,
+ RTLIB::POW_PPCF128);
break;
default: break;
}
@@ -2996,8 +3007,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
Result = LegalizeOp(UnrollVectorOp(Op));
} else {
// Floating point mod -> fmod libcall.
- RTLIB::Libcall LC = VT == MVT::f32
- ? RTLIB::REM_F32 : RTLIB::REM_F64;
+ RTLIB::Libcall LC = GetFPLibCall(VT, RTLIB::REM_F32, RTLIB::REM_F64,
+ RTLIB::REM_F80, RTLIB::REM_PPCF128);
SDOperand Dummy;
Result = ExpandLibCall(TLI.getLibcallName(LC), Node,
false/*sign irrelevant*/, Dummy);
@@ -3274,17 +3285,16 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
switch(Node->getOpcode()) {
case ISD::FSQRT:
- LC = VT == MVT::f32 ? RTLIB::SQRT_F32 :
- VT == MVT::f64 ? RTLIB::SQRT_F64 :
- VT == MVT::f80 ? RTLIB::SQRT_F80 :
- VT == MVT::ppcf128 ? RTLIB::SQRT_PPCF128 :
- RTLIB::UNKNOWN_LIBCALL;
+ LC = GetFPLibCall(VT, RTLIB::SQRT_F32, RTLIB::SQRT_F64,
+ RTLIB::SQRT_F80, RTLIB::SQRT_PPCF128);
break;
case ISD::FSIN:
- LC = VT == MVT::f32 ? RTLIB::SIN_F32 : RTLIB::SIN_F64;
+ LC = GetFPLibCall(VT, RTLIB::SIN_F32, RTLIB::SIN_F64,
+ RTLIB::SIN_F80, RTLIB::SIN_PPCF128);
break;
case ISD::FCOS:
- LC = VT == MVT::f32 ? RTLIB::COS_F32 : RTLIB::COS_F64;
+ LC = GetFPLibCall(VT, RTLIB::COS_F32, RTLIB::COS_F64,
+ RTLIB::COS_F80, RTLIB::COS_PPCF128);
break;
default: assert(0 && "Unreachable!");
}
@@ -3307,12 +3317,8 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
}
// We always lower FPOWI into a libcall. No target support for it yet.
- RTLIB::Libcall LC =
- VT == MVT::f32 ? RTLIB::POWI_F32 :
- VT == MVT::f64 ? RTLIB::POWI_F64 :
- VT == MVT::f80 ? RTLIB::POWI_F80 :
- VT == MVT::ppcf128 ? RTLIB::POWI_PPCF128 :
- RTLIB::UNKNOWN_LIBCALL;
+ RTLIB::Libcall LC = GetFPLibCall(VT, RTLIB::POWI_F32, RTLIB::POWI_F64,
+ RTLIB::POWI_F80, RTLIB::POWI_PPCF128);
SDOperand Dummy;
Result = ExpandLibCall(TLI.getLibcallName(LC), Node,
false/*sign irrelevant*/, Dummy);
@@ -6067,35 +6073,31 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
break;
case ISD::FADD:
- Lo = ExpandLibCall(TLI.getLibcallName(VT == MVT::f32 ? RTLIB::ADD_F32 :
- VT == MVT::f64 ? RTLIB::ADD_F64 :
- VT == MVT::ppcf128 ?
- RTLIB::ADD_PPCF128 :
- RTLIB::UNKNOWN_LIBCALL),
+ Lo = ExpandLibCall(TLI.getLibcallName(GetFPLibCall(VT, RTLIB::ADD_F32,
+ RTLIB::ADD_F64,
+ RTLIB::ADD_F80,
+ RTLIB::ADD_PPCF128)),
Node, false, Hi);
break;
case ISD::FSUB:
- Lo = ExpandLibCall(TLI.getLibcallName(VT == MVT::f32 ? RTLIB::SUB_F32 :
- VT == MVT::f64 ? RTLIB::SUB_F64 :
- VT == MVT::ppcf128 ?
- RTLIB::SUB_PPCF128 :
- RTLIB::UNKNOWN_LIBCALL),
+ Lo = ExpandLibCall(TLI.getLibcallName(GetFPLibCall(VT, RTLIB::SUB_F32,
+ RTLIB::SUB_F64,
+ RTLIB::SUB_F80,
+ RTLIB::SUB_PPCF128)),
Node, false, Hi);
break;
case ISD::FMUL:
- Lo = ExpandLibCall(TLI.getLibcallName(VT == MVT::f32 ? RTLIB::MUL_F32 :
- VT == MVT::f64 ? RTLIB::MUL_F64 :
- VT == MVT::ppcf128 ?
- RTLIB::MUL_PPCF128 :
- RTLIB::UNKNOWN_LIBCALL),
+ Lo = ExpandLibCall(TLI.getLibcallName(GetFPLibCall(VT, RTLIB::MUL_F32,
+ RTLIB::MUL_F64,
+ RTLIB::MUL_F80,
+ RTLIB::MUL_PPCF128)),
Node, false, Hi);
break;
case ISD::FDIV:
- Lo = ExpandLibCall(TLI.getLibcallName(VT == MVT::f32 ? RTLIB::DIV_F32 :
- VT == MVT::f64 ? RTLIB::DIV_F64 :
- VT == MVT::ppcf128 ?
- RTLIB::DIV_PPCF128 :
- RTLIB::UNKNOWN_LIBCALL),
+ Lo = ExpandLibCall(TLI.getLibcallName(GetFPLibCall(VT, RTLIB::DIV_F32,
+ RTLIB::DIV_F64,
+ RTLIB::DIV_F80,
+ RTLIB::DIV_PPCF128)),
Node, false, Hi);
break;
case ISD::FP_EXTEND:
@@ -6116,12 +6118,10 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
Lo = ExpandLibCall(TLI.getLibcallName(RTLIB::FPROUND_F64_F32),Node,true,Hi);
break;
case ISD::FPOWI:
- Lo = ExpandLibCall(TLI.getLibcallName((VT == MVT::f32) ? RTLIB::POWI_F32 :
- (VT == MVT::f64) ? RTLIB::POWI_F64 :
- (VT == MVT::f80) ? RTLIB::POWI_F80 :
- (VT == MVT::ppcf128) ?
- RTLIB::POWI_PPCF128 :
- RTLIB::UNKNOWN_LIBCALL),
+ Lo = ExpandLibCall(TLI.getLibcallName(GetFPLibCall(VT, RTLIB::POWI_F32,
+ RTLIB::POWI_F64,
+ RTLIB::POWI_F80,
+ RTLIB::POWI_PPCF128)),
Node, false, Hi);
break;
case ISD::FSQRT:
@@ -6130,17 +6130,16 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
RTLIB::Libcall LC = RTLIB::UNKNOWN_LIBCALL;
switch(Node->getOpcode()) {
case ISD::FSQRT:
- LC = (VT == MVT::f32) ? RTLIB::SQRT_F32 :
- (VT == MVT::f64) ? RTLIB::SQRT_F64 :
- (VT == MVT::f80) ? RTLIB::SQRT_F80 :
- (VT == MVT::ppcf128) ? RTLIB::SQRT_PPCF128 :
- RTLIB::UNKNOWN_LIBCALL;
+ LC = GetFPLibCall(VT, RTLIB::SQRT_F32, RTLIB::SQRT_F64,
+ RTLIB::SQRT_F80, RTLIB::SQRT_PPCF128);
break;
case ISD::FSIN:
- LC = (VT == MVT::f32) ? RTLIB::SIN_F32 : RTLIB::SIN_F64;
+ LC = GetFPLibCall(VT, RTLIB::SIN_F32, RTLIB::SIN_F64,
+ RTLIB::SIN_F80, RTLIB::SIN_PPCF128);
break;
case ISD::FCOS:
- LC = (VT == MVT::f32) ? RTLIB::COS_F32 : RTLIB::COS_F64;
+ LC = GetFPLibCall(VT, RTLIB::COS_F32, RTLIB::COS_F64,
+ RTLIB::COS_F80, RTLIB::COS_PPCF128);
break;
default: assert(0 && "Unreachable!");
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-05-02 19:17:41 +0000