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cortex m4 has floating point support, but only single precision.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110810 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach
2010-08-11 15:44:15 +00:00
parent f63fed141e
commit fcba5e6b64
5 changed files with 35 additions and 2 deletions
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3
lib/Target/ARM/ARMISelLowering.cpp
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@ -266,7 +266,8 @@ ARMTargetLowering::ARMTargetLowering(TargetMachine &TM)
addRegisterClass(MVT::i32, ARM::GPRRegisterClass);
if (!UseSoftFloat && Subtarget->hasVFP2() && !Subtarget->isThumb1Only()) {
addRegisterClass(MVT::f32, ARM::SPRRegisterClass);
addRegisterClass(MVT::f64, ARM::DPRRegisterClass);
if (!Subtarget->isFPOnlySP())
addRegisterClass(MVT::f64, ARM::DPRRegisterClass);
setTruncStoreAction(MVT::f64, MVT::f32, Expand);
}