[Mesa-dev] [PATCH] R600: Expand SUB for v2i32/v4i32

[Tom Stellard]

On Wed, May 08, 2013 at 06:19:11PM -0500, Aaron Watry wrote:
> Signed-off-by: Aaron Watry <awatry at gmail.com>

I'm afraid I overlooked this patch, sorry.

Reviewed-by: Tom Stellard <thomas.stellard at amd.com>

> ---
>  lib/Target/R600/R600ISelLowering.cpp |    2 ++
>  test/CodeGen/R600/sub.ll             |   15 +++++++++++++++
>  2 files changed, 17 insertions(+)
>  create mode 100644 test/CodeGen/R600/sub.ll
> 
> diff --git a/lib/Target/R600/R600ISelLowering.cpp b/lib/Target/R600/R600ISelLowering.cpp
> index b982279..7252235 100644
> --- a/lib/Target/R600/R600ISelLowering.cpp
> +++ b/lib/Target/R600/R600ISelLowering.cpp
> @@ -54,6 +54,8 @@ R600TargetLowering::R600TargetLowering(TargetMachine &TM) :
>    setOperationAction(ISD::SRL, MVT::v2i32, Expand);
>    setOperationAction(ISD::SRA, MVT::v4i32, Expand);
>    setOperationAction(ISD::SRA, MVT::v2i32, Expand);
> +  setOperationAction(ISD::SUB, MVT::v4i32, Expand);
> +  setOperationAction(ISD::SUB, MVT::v2i32, Expand);
>    setOperationAction(ISD::UINT_TO_FP, MVT::v4i32, Expand);
>    setOperationAction(ISD::UDIV, MVT::v4i32, Expand);
>    setOperationAction(ISD::UREM, MVT::v4i32, Expand);
> diff --git a/test/CodeGen/R600/sub.ll b/test/CodeGen/R600/sub.ll
> new file mode 100644
> index 0000000..12bfba3
> --- /dev/null
> +++ b/test/CodeGen/R600/sub.ll
> @@ -0,0 +1,15 @@
> +;RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
> +
> +;CHECK: SUB_INT T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
> +;CHECK: SUB_INT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
> +;CHECK: SUB_INT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
> +;CHECK: SUB_INT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
> +
> +define void @test(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) {
> +  %b_ptr = getelementptr <4 x i32> addrspace(1)* %in, i32 1
> +  %a = load <4 x i32> addrspace(1) * %in
> +  %b = load <4 x i32> addrspace(1) * %b_ptr
> +  %result = sub <4 x i32> %a, %b
> +  store <4 x i32> %result, <4 x i32> addrspace(1)* %out
> +  ret void
> +}
> -- 
> 1.7.10.4
>