RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2024-11-25 04:39:51 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Implement MipsTargetLowering::LowerSELECT_CC to custom lower SELECT_CC.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160064 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka 2012-07-11 19:32:27 +00:00
parent 875913439c
commit 3fef29d881
3 changed files with 42 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
lib/Target/Mips/MipsISelLowering.cpp
View File

@ -152,6 +152,8 @@ MipsTargetLowering(MipsTargetMachine &TM)
setOperationAction(ISD::SELECT, MVT::f32, Custom);
setOperationAction(ISD::SELECT, MVT::f64, Custom);
setOperationAction(ISD::SELECT, MVT::i32, Custom);
setOperationAction(ISD::SELECT_CC, MVT::f32, Custom);
setOperationAction(ISD::SELECT_CC, MVT::f64, Custom);
setOperationAction(ISD::SETCC, MVT::f32, Custom);
setOperationAction(ISD::SETCC, MVT::f64, Custom);
setOperationAction(ISD::BRCOND, MVT::Other, Custom);
@ -263,9 +265,6 @@ MipsTargetLowering(MipsTargetMachine &TM)
setInsertFencesForAtomic(true);
if (Subtarget->isSingleFloat())
setOperationAction(ISD::SELECT_CC, MVT::f64, Expand);
if (!Subtarget->hasSEInReg()) {
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i8, Expand);
setOperationAction(ISD::SIGN_EXTEND_INREG, MVT::i16, Expand);
@ -801,6 +800,7 @@ LowerOperation(SDValue Op, SelectionDAG &DAG) const
case ISD::GlobalTLSAddress: return LowerGlobalTLSAddress(Op, DAG);
case ISD::JumpTable: return LowerJumpTable(Op, DAG);
case ISD::SELECT: return LowerSELECT(Op, DAG);
case ISD::SELECT_CC: return LowerSELECT_CC(Op, DAG);
case ISD::SETCC: return LowerSETCC(Op, DAG);
case ISD::VASTART: return LowerVASTART(Op, DAG);
case ISD::FCOPYSIGN: return LowerFCOPYSIGN(Op, DAG);
@ -1576,6 +1576,19 @@ LowerSELECT(SDValue Op, SelectionDAG &DAG) const
Op.getDebugLoc());
}
SDValue MipsTargetLowering::
LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const
{
DebugLoc DL = Op.getDebugLoc();
EVT Ty = Op.getOperand(0).getValueType();
SDValue Cond = DAG.getNode(ISD::SETCC, DL, getSetCCResultType(Ty),
Op.getOperand(0), Op.getOperand(1),
Op.getOperand(4));
return DAG.getNode(ISD::SELECT, DL, Op.getValueType(), Cond, Op.getOperand(2),
Op.getOperand(3));
}
SDValue MipsTargetLowering::LowerSETCC(SDValue Op, SelectionDAG &DAG) const {
SDValue Cond = CreateFPCmp(DAG, Op);

1
lib/Target/Mips/MipsISelLowering.h
View File

@ -138,6 +138,7 @@ namespace llvm {
SDValue LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerJumpTable(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSELECT(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerVASTART(SDValue Op, SelectionDAG &DAG) const;
SDValue LowerFCOPYSIGN(SDValue Op, SelectionDAG &DAG) const;

25
test/CodeGen/Mips/selectcc.ll Normal file
View File

@ -0,0 +1,25 @@
; RUN: llc -march=mipsel < %s
@gd0 = external global double
@gd1 = external global double
define double @select_cc_f32(float %a, float %b) nounwind {
entry:
store double 0.000000e+00, double* @gd0, align 8
store double 1.000000e+00, double* @gd1, align 8
%cmp = fcmp olt float %a, %b
%conv = zext i1 %cmp to i32
%conv1 = sitofp i32 %conv to double
ret double %conv1
}
define double @select_cc_f64(double %a, double %b) nounwind {
entry:
store double 0.000000e+00, double* @gd0, align 8
store double 1.000000e+00, double* @gd1, align 8
%cmp = fcmp olt double %a, %b
%conv = zext i1 %cmp to i32
%conv1 = sitofp i32 %conv to double
ret double %conv1
}