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Propagate FP select_cc to dag inserters

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76026 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2009-07-16 14:22:15 +00:00
parent 55e96fb1c6
commit da723d7d91
2 changed files with 19 additions and 2 deletions
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10
lib/Target/SystemZ/SystemZISelLowering.cpp
View File

@ -101,8 +101,12 @@ SystemZTargetLowering::SystemZTargetLowering(SystemZTargetMachine &tm) :
// FIXME: Can we lower these 2 efficiently?
setOperationAction(ISD::SETCC, MVT::i32, Expand);
setOperationAction(ISD::SETCC, MVT::i64, Expand);
setOperationAction(ISD::SETCC, MVT::f32, Expand);
setOperationAction(ISD::SETCC, MVT::f64, Expand);
setOperationAction(ISD::SELECT, MVT::i32, Expand);
setOperationAction(ISD::SELECT, MVT::i64, Expand);
setOperationAction(ISD::SELECT, MVT::f32, Expand);
setOperationAction(ISD::SELECT, MVT::f64, Expand);
setOperationAction(ISD::SELECT_CC, MVT::i32, Custom);
setOperationAction(ISD::SELECT_CC, MVT::i64, Custom);
setOperationAction(ISD::SELECT_CC, MVT::f32, Custom);
@ -692,8 +696,10 @@ SystemZTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
MachineBasicBlock *BB) const {
const SystemZInstrInfo &TII = *TM.getInstrInfo();
DebugLoc dl = MI->getDebugLoc();
assert((MI->getOpcode() == SystemZ::Select32 ||
MI->getOpcode() == SystemZ::Select64) &&
assert((MI->getOpcode() == SystemZ::Select32 ||
MI->getOpcode() == SystemZ::SelectF32 ||
MI->getOpcode() == SystemZ::Select64 ||
MI->getOpcode() == SystemZ::SelectF64) &&
"Unexpected instr type to insert");
// To "insert" a SELECT instruction, we actually have to insert the diamond

11
lib/Target/SystemZ/SystemZInstrFP.td
View File

@ -14,6 +14,17 @@
// FIXME: multiclassify!
let usesCustomDAGSchedInserter = 1 in {
def SelectF32 : Pseudo<(outs FP32:$dst), (ins FP32:$src1, FP32:$src2, i8imm:$cc),
"# SelectF32 PSEUDO",
[(set FP32:$dst,
(SystemZselect FP32:$src1, FP32:$src2, imm:$cc))]>;
def SelectF64 : Pseudo<(outs FP64:$dst), (ins FP64:$src1, FP64:$src2, i8imm:$cc),
"# SelectF64 PSEUDO",
[(set FP64:$dst,
(SystemZselect FP64:$src1, FP64:$src2, imm:$cc))]>;
}
//===----------------------------------------------------------------------===//
// Move Instructions