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Proper FP extloads

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76028 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2009-07-16 14:22:46 +00:00
parent 299dc78d67
commit 85c5c3f138
2 changed files with 9 additions and 7 deletions
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12
lib/Target/SystemZ/SystemZISelLowering.cpp
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@ -65,13 +65,13 @@ SystemZTargetLowering::SystemZTargetLowering(SystemZTargetMachine &tm) :
setLoadExtAction(ISD::ZEXTLOAD, MVT::i1, Promote);
setLoadExtAction(ISD::EXTLOAD, MVT::i1, Promote);
setLoadExtAction(ISD::SEXTLOAD, MVT::f32, Promote);
setLoadExtAction(ISD::ZEXTLOAD, MVT::f32, Promote);
setLoadExtAction(ISD::EXTLOAD, MVT::f32, Promote);
setLoadExtAction(ISD::SEXTLOAD, MVT::f32, Expand);
setLoadExtAction(ISD::ZEXTLOAD, MVT::f32, Expand);
setLoadExtAction(ISD::EXTLOAD, MVT::f32, Expand);
setLoadExtAction(ISD::SEXTLOAD, MVT::f64, Promote);
setLoadExtAction(ISD::ZEXTLOAD, MVT::f64, Promote);
setLoadExtAction(ISD::EXTLOAD, MVT::f64, Promote);
setLoadExtAction(ISD::SEXTLOAD, MVT::f64, Expand);
setLoadExtAction(ISD::ZEXTLOAD, MVT::f64, Expand);
setLoadExtAction(ISD::EXTLOAD, MVT::f64, Expand);
setStackPointerRegisterToSaveRestore(SystemZ::R15D);
setSchedulingPreference(SchedulingForLatency);

4
lib/Target/SystemZ/SystemZInstrFP.td
View File

@ -167,10 +167,12 @@ def FROUND64r32 : Pseudo<(outs FP32:$dst), (ins FP64:$src),
"ledbr\t{$dst, $src}",
[(set FP32:$dst, (fround FP64:$src))]>;
// FIXME: memory variant
def FEXT32r64 : Pseudo<(outs FP64:$dst), (ins FP32:$src),
"ldebr\t{$dst, $src}",
[(set FP64:$dst, (fextend FP32:$src))]>;
def FEXT32m64 : Pseudo<(outs FP64:$dst), (ins rriaddr:$src),
"ldeb\t{$dst, $src}",
[(set FP64:$dst, (fextend (load rriaddr:$src)))]>;
let Defs = [PSW] in {
def FCONVFP32 : Pseudo<(outs FP32:$dst), (ins GR32:$src),