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R600/SI: Add pattern for fp_to_uint

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This fixes the F2U opcode for the Mesa driver.

Patch by: Marek Olšák

Signed-off-by: Marek Olšák <marek.olsak@amd.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188418 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard 2013-08-14 22:21:57 +00:00
parent 4fa5939268
commit 2760387d86
2 changed files with 21 additions and 10 deletions
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4
lib/Target/R600/SIInstructions.td
View File

@ -615,7 +615,9 @@ defm V_CVT_F32_I32 : VOP1_32 <0x00000005, "V_CVT_F32_I32",
defm V_CVT_F32_U32 : VOP1_32 <0x00000006, "V_CVT_F32_U32",
[(set f32:$dst, (uint_to_fp i32:$src0))]
>;
defm V_CVT_U32_F32 : VOP1_32 <0x00000007, "V_CVT_U32_F32", []>;
defm V_CVT_U32_F32 : VOP1_32 <0x00000007, "V_CVT_U32_F32",
[(set i32:$dst, (fp_to_uint f32:$src0))]
>;
defm V_CVT_I32_F32 : VOP1_32 <0x00000008, "V_CVT_I32_F32",
[(set i32:$dst, (fp_to_sint f32:$src0))]
>;

27
test/CodeGen/R600/fp_to_uint.ll
View File

@ -1,8 +1,12 @@
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=R600-CHECK
; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck %s --check-prefix=SI-CHECK
; CHECK: @fp_to_uint_v2i32
; CHECK: FLT_TO_UINT * T{{[0-9]+\.[XYZW], PV\.[XYZW]}}
; CHECK: FLT_TO_UINT * T{{[0-9]+\.[XYZW], PV\.[XYZW]}}
; R600-CHECK: @fp_to_uint_v2i32
; R600-CHECK: FLT_TO_UINT * T{{[0-9]+\.[XYZW], PV\.[XYZW]}}
; R600-CHECK: FLT_TO_UINT * T{{[0-9]+\.[XYZW], PV\.[XYZW]}}
; SI-CHECK: @fp_to_uint_v2i32
; SI-CHECK: V_CVT_U32_F32_e32
; SI-CHECK: V_CVT_U32_F32_e32
define void @fp_to_uint_v2i32(<2 x i32> addrspace(1)* %out, <2 x float> %in) {
%result = fptoui <2 x float> %in to <2 x i32>
@ -10,11 +14,16 @@ define void @fp_to_uint_v2i32(<2 x i32> addrspace(1)* %out, <2 x float> %in) {
ret void
}
; CHECK: @fp_to_uint_v4i32
; CHECK: FLT_TO_UINT * T{{[0-9]+\.[XYZW], PV\.[XYZW]}}
; CHECK: FLT_TO_UINT * T{{[0-9]+\.[XYZW], PV\.[XYZW]}}
; CHECK: FLT_TO_UINT * T{{[0-9]+\.[XYZW], PV\.[XYZW]}}
; CHECK: FLT_TO_UINT * T{{[0-9]+\.[XYZW], PV\.[XYZW]}}
; R600-CHECK: @fp_to_uint_v4i32
; R600-CHECK: FLT_TO_UINT * T{{[0-9]+\.[XYZW], PV\.[XYZW]}}
; R600-CHECK: FLT_TO_UINT * T{{[0-9]+\.[XYZW], PV\.[XYZW]}}
; R600-CHECK: FLT_TO_UINT * T{{[0-9]+\.[XYZW], PV\.[XYZW]}}
; R600-CHECK: FLT_TO_UINT * T{{[0-9]+\.[XYZW], PV\.[XYZW]}}
; SI-CHECK: @fp_to_uint_v4i32
; SI-CHECK: V_CVT_U32_F32_e32
; SI-CHECK: V_CVT_U32_F32_e32
; SI-CHECK: V_CVT_U32_F32_e32
; SI-CHECK: V_CVT_U32_F32_e32
define void @fp_to_uint_v4i32(<4 x i32> addrspace(1)* %out, <4 x float> addrspace(1)* %in) {
%value = load <4 x float> addrspace(1) * %in