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R600/SI: Implement fp32<->fp64 conversions

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187988 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Niels Ole Salscheider 2013-08-08 16:06:15 +00:00
parent 7114e2e7cf
commit 014773626d
4 changed files with 27 additions and 2 deletions
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3
lib/Target/R600/SIISelLowering.cpp
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@ -85,6 +85,9 @@ SITargetLowering::SITargetLowering(TargetMachine &TM) :
setLoadExtAction(ISD::SEXTLOAD, MVT::i32, Expand);
setLoadExtAction(ISD::EXTLOAD, MVT::f32, Expand);
setTruncStoreAction(MVT::f64, MVT::f32, Expand);
setOperationAction(ISD::GlobalAddress, MVT::i64, Custom);
setTargetDAGCombine(ISD::SELECT_CC);

8
lib/Target/R600/SIInstructions.td
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@ -625,8 +625,12 @@ defm V_MOV_FED_B32 : VOP1_32 <0x00000009, "V_MOV_FED_B32", []>;
//defm V_CVT_RPI_I32_F32 : VOP1_32 <0x0000000c, "V_CVT_RPI_I32_F32", []>;
//defm V_CVT_FLR_I32_F32 : VOP1_32 <0x0000000d, "V_CVT_FLR_I32_F32", []>;
//defm V_CVT_OFF_F32_I4 : VOP1_32 <0x0000000e, "V_CVT_OFF_F32_I4", []>;
//defm V_CVT_F32_F64 : VOP1_32 <0x0000000f, "V_CVT_F32_F64", []>;
//defm V_CVT_F64_F32 : VOP1_64 <0x00000010, "V_CVT_F64_F32", []>;
defm V_CVT_F32_F64 : VOP1_32_64 <0x0000000f, "V_CVT_F32_F64",
[(set f32:$dst, (fround f64:$src0))]
>;
defm V_CVT_F64_F32 : VOP1_64_32 <0x00000010, "V_CVT_F64_F32",
[(set f64:$dst, (fextend f32:$src0))]
>;
//defm V_CVT_F32_UBYTE0 : VOP1_32 <0x00000011, "V_CVT_F32_UBYTE0", []>;
//defm V_CVT_F32_UBYTE1 : VOP1_32 <0x00000012, "V_CVT_F32_UBYTE1", []>;
//defm V_CVT_F32_UBYTE2 : VOP1_32 <0x00000013, "V_CVT_F32_UBYTE2", []>;

9
test/CodeGen/R600/fpext.ll Normal file
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@ -0,0 +1,9 @@
; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck %s --check-prefix=CHECK
; CHECK: @fpext
; CHECK: V_CVT_F64_F32_e32
define void @fpext(double addrspace(1)* %out, float %in) {
%result = fpext float %in to double
store double %result, double addrspace(1)* %out
ret void
}

9
test/CodeGen/R600/fptrunc.ll Normal file
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@ -0,0 +1,9 @@
; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck %s --check-prefix=CHECK
; CHECK: @fptrunc
; CHECK: V_CVT_F32_F64_e32
define void @fptrunc(float addrspace(1)* %out, double %in) {
%result = fptrunc double %in to float
store float %result, float addrspace(1)* %out
ret void
}