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PTX: support for zext loads and trunc stores

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- expansion of EXTLOAD and TRUNCSTORE instructions

Patch by Dan Bailey

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130354 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Holewinski 2011-04-28 00:19:52 +00:00
parent 5a3cb924c6
commit 4fea05acfa
1 changed files with 12 additions and 0 deletions
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12
lib/Target/PTX/PTXISelLowering.cpp
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@ -34,11 +34,23 @@ PTXTargetLowering::PTXTargetLowering(TargetMachine &TM)
addRegisterClass(MVT::f32, PTX::RRegf32RegisterClass);
addRegisterClass(MVT::f64, PTX::RRegf64RegisterClass);
setBooleanContents(ZeroOrOneBooleanContent);
setOperationAction(ISD::EXCEPTIONADDR, MVT::i32, Expand);
setOperationAction(ISD::ConstantFP, MVT::f32, Legal);
setOperationAction(ISD::ConstantFP, MVT::f64, Legal);
// Turn i16 (z)extload into load + (z)extend
setLoadExtAction(ISD::EXTLOAD, MVT::i16, Expand);
setLoadExtAction(ISD::ZEXTLOAD, MVT::i16, Expand);
// Turn f32 extload into load + fextend
setLoadExtAction(ISD::EXTLOAD, MVT::f32, Expand);
// Turn f64 truncstore into trunc + store.
setTruncStoreAction(MVT::f64, MVT::f32, Expand);
// Customize translation of memory addresses
setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);
setOperationAction(ISD::GlobalAddress, MVT::i64, Custom);