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R600/SI: Add pattern for xor of i1

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Fixes two recent piglit regressions with radeonsi.

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188559 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michel Danzer 2013-08-16 16:19:31 +00:00
parent ebd4eec538
commit b89f197713
2 changed files with 20 additions and 1 deletions
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4
lib/Target/R600/SIInstructions.td
View File

@ -1144,7 +1144,9 @@ def : Pat <
(S_OR_B64 $src0, $src1)
>;
def S_XOR_B32 : SOP2_32 <0x00000012, "S_XOR_B32", []>;
def S_XOR_B64 : SOP2_64 <0x00000013, "S_XOR_B64", []>;
def S_XOR_B64 : SOP2_64 <0x00000013, "S_XOR_B64",
[(set i1:$dst, (xor i1:$src0, i1:$src1))]
>;
def S_ANDN2_B32 : SOP2_32 <0x00000014, "S_ANDN2_B32", []>;
def S_ANDN2_B64 : SOP2_64 <0x00000015, "S_ANDN2_B64", []>;
def S_ORN2_B32 : SOP2_32 <0x00000016, "S_ORN2_B32", []>;

17
test/CodeGen/R600/xor.ll
View File

@ -37,3 +37,20 @@ define void @xor_v4i32(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in
store <4 x i32> %result, <4 x i32> addrspace(1)* %out
ret void
}
;EG-CHECK: @xor_i1
;EG-CHECK: XOR_INT {{\*? *}}T{{[0-9]+\.[XYZW], PV\.[XYZW], PV\.[XYZW]}}
;SI-CHECK: @xor_i1
;SI-CHECK: S_XOR_B64 {{SGPR[0-9]+_SGPR[0-9]+, SGPR[0-9]+_SGPR[0-9]+, SGPR[0-9]+_SGPR[0-9]+}}
define void @xor_i1(float addrspace(1)* %out, float addrspace(1)* %in0, float addrspace(1)* %in1) {
%a = load float addrspace(1) * %in0
%b = load float addrspace(1) * %in1
%acmp = fcmp oge float %a, 0.000000e+00
%bcmp = fcmp oge float %b, 0.000000e+00
%xor = xor i1 %acmp, %bcmp
%result = select i1 %xor, float %a, float %b
store float %result, float addrspace(1)* %out
ret void
}