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R600/SI: Add FMA pattern

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188135 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Niels Ole Salscheider 2013-08-10 10:38:47 +00:00
parent 0a69bac396
commit 4ab92e4d4b
2 changed files with 37 additions and 2 deletions
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8
lib/Target/R600/SIInstructions.td
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@ -1007,8 +1007,12 @@ def V_BFE_U32 : VOP3_32 <0x00000148, "V_BFE_U32", []>;
def V_BFE_I32 : VOP3_32 <0x00000149, "V_BFE_I32", []>;
def V_BFI_B32 : VOP3_32 <0x0000014a, "V_BFI_B32", []>;
defm : BFIPatterns <V_BFI_B32>;
def V_FMA_F32 : VOP3_32 <0x0000014b, "V_FMA_F32", []>;
def V_FMA_F64 : VOP3_64 <0x0000014c, "V_FMA_F64", []>;
def V_FMA_F32 : VOP3_32 <0x0000014b, "V_FMA_F32",
[(set f32:$dst, (fma f32:$src0, f32:$src1, f32:$src2))]
>;
def V_FMA_F64 : VOP3_64 <0x0000014c, "V_FMA_F64",
[(set f64:$dst, (fma f64:$src0, f64:$src1, f64:$src2))]
>;
//def V_LERP_U8 : VOP3_U8 <0x0000014d, "V_LERP_U8", []>;
def V_ALIGNBIT_B32 : VOP3_32 <0x0000014e, "V_ALIGNBIT_B32", []>;
def : ROTRPattern <V_ALIGNBIT_B32>;

31
test/CodeGen/R600/fma.ll Normal file
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@ -0,0 +1,31 @@
; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck %s
; CHECK: @fma_f32
; CHECK: V_FMA_F32 {{VGPR[0-9]+, VGPR[0-9]+, VGPR[0-9]+, VGPR[0-9]+}}
define void @fma_f32(float addrspace(1)* %out, float addrspace(1)* %in1,
float addrspace(1)* %in2, float addrspace(1)* %in3) {
%r0 = load float addrspace(1)* %in1
%r1 = load float addrspace(1)* %in2
%r2 = load float addrspace(1)* %in3
%r3 = tail call float @llvm.fma.f32(float %r0, float %r1, float %r2)
store float %r3, float addrspace(1)* %out
ret void
}
declare float @llvm.fma.f32(float, float, float)
; CHECK: @fma_f64
; CHECK: V_FMA_F64 {{VGPR[0-9]+_VGPR[0-9]+, VGPR[0-9]+_VGPR[0-9]+, VGPR[0-9]+_VGPR[0-9]+, VGPR[0-9]+_VGPR[0-9]+}}
define void @fma_f64(double addrspace(1)* %out, double addrspace(1)* %in1,
double addrspace(1)* %in2, double addrspace(1)* %in3) {
%r0 = load double addrspace(1)* %in1
%r1 = load double addrspace(1)* %in2
%r2 = load double addrspace(1)* %in3
%r3 = tail call double @llvm.fma.f64(double %r0, double %r1, double %r2)
store double %r3, double addrspace(1)* %out
ret void
}
declare double @llvm.fma.f64(double, double, double)