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Fixed PALIGNR to take 8-bit rotations in all cases.

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Also fixed the corresponding testcase, and the PALIGNR
  intrinsic (tested for correctness with llvm-gcc).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89491 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sean Callanan 2009-11-20 21:40:28 +00:00
parent 017d121c59
commit 201dfa7432
3 changed files with 13 additions and 13 deletions
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4
include/llvm/IntrinsicsX86.td
View File

@ -673,10 +673,10 @@ let TargetPrefix = "x86" in { // All intrinsics start with "llvm.x86.".
let TargetPrefix = "x86" in { // All intrinsics start with "llvm.x86.".
def int_x86_ssse3_palign_r : GCCBuiltin<"__builtin_ia32_palignr">,
Intrinsic<[llvm_v1i64_ty], [llvm_v1i64_ty,
llvm_v1i64_ty, llvm_i16_ty], [IntrNoMem]>;
llvm_v1i64_ty, llvm_i8_ty], [IntrNoMem]>;
def int_x86_ssse3_palign_r_128 : GCCBuiltin<"__builtin_ia32_palignr128">,
Intrinsic<[llvm_v2i64_ty], [llvm_v2i64_ty,
llvm_v2i64_ty, llvm_i32_ty], [IntrNoMem]>;
llvm_v2i64_ty, llvm_i8_ty], [IntrNoMem]>;
}
//===----------------------------------------------------------------------===//

16
lib/Target/X86/X86InstrSSE.td
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@ -2820,40 +2820,40 @@ defm PSIGND : SS3I_binop_rm_int_32<0x0A, "psignd",
let Constraints = "$src1 = $dst" in {
def PALIGNR64rr : SS3AI<0x0F, MRMSrcReg, (outs VR64:$dst),
(ins VR64:$src1, VR64:$src2, i16imm:$src3),
(ins VR64:$src1, VR64:$src2, i8imm:$src3),
"palignr\t{$src3, $src2, $dst|$dst, $src2, $src3}",
[]>;
def PALIGNR64rm : SS3AI<0x0F, MRMSrcMem, (outs VR64:$dst),
(ins VR64:$src1, i64mem:$src2, i16imm:$src3),
(ins VR64:$src1, i64mem:$src2, i8imm:$src3),
"palignr\t{$src3, $src2, $dst|$dst, $src2, $src3}",
[]>;
def PALIGNR128rr : SS3AI<0x0F, MRMSrcReg, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, i32imm:$src3),
(ins VR128:$src1, VR128:$src2, i8imm:$src3),
"palignr\t{$src3, $src2, $dst|$dst, $src2, $src3}",
[]>, OpSize;
def PALIGNR128rm : SS3AI<0x0F, MRMSrcMem, (outs VR128:$dst),
(ins VR128:$src1, i128mem:$src2, i32imm:$src3),
(ins VR128:$src1, i128mem:$src2, i8imm:$src3),
"palignr\t{$src3, $src2, $dst|$dst, $src2, $src3}",
[]>, OpSize;
}
// palignr patterns.
def : Pat<(int_x86_ssse3_palign_r VR64:$src1, VR64:$src2, (i16 imm:$src3)),
def : Pat<(int_x86_ssse3_palign_r VR64:$src1, VR64:$src2, (i8 imm:$src3)),
(PALIGNR64rr VR64:$src1, VR64:$src2, (BYTE_imm imm:$src3))>,
Requires<[HasSSSE3]>;
def : Pat<(int_x86_ssse3_palign_r VR64:$src1,
(memop64 addr:$src2),
(i16 imm:$src3)),
(i8 imm:$src3)),
(PALIGNR64rm VR64:$src1, addr:$src2, (BYTE_imm imm:$src3))>,
Requires<[HasSSSE3]>;
def : Pat<(int_x86_ssse3_palign_r_128 VR128:$src1, VR128:$src2, (i32 imm:$src3)),
def : Pat<(int_x86_ssse3_palign_r_128 VR128:$src1, VR128:$src2, (i8 imm:$src3)),
(PALIGNR128rr VR128:$src1, VR128:$src2, (BYTE_imm imm:$src3))>,
Requires<[HasSSSE3]>;
def : Pat<(int_x86_ssse3_palign_r_128 VR128:$src1,
(memopv2i64 addr:$src2),
(i32 imm:$src3)),
(i8 imm:$src3)),
(PALIGNR128rm VR128:$src1, addr:$src2, (BYTE_imm imm:$src3))>,
Requires<[HasSSSE3]>;

6
test/CodeGen/X86/palignr-2.ll
View File

@ -9,12 +9,12 @@ define void @t1(<2 x i64> %a, <2 x i64> %b) nounwind ssp {
entry:
; CHECK: t1:
; palignr $3, %xmm1, %xmm0
%0 = tail call <2 x i64> @llvm.x86.ssse3.palign.r.128(<2 x i64> %a, <2 x i64> %b, i32 24) nounwind readnone
%0 = tail call <2 x i64> @llvm.x86.ssse3.palign.r.128(<2 x i64> %a, <2 x i64> %b, i8 24) nounwind readnone
store <2 x i64> %0, <2 x i64>* bitcast ([4 x i32]* @c to <2 x i64>*), align 16
ret void
}
declare <2 x i64> @llvm.x86.ssse3.palign.r.128(<2 x i64>, <2 x i64>, i32) nounwind readnone
declare <2 x i64> @llvm.x86.ssse3.palign.r.128(<2 x i64>, <2 x i64>, i8) nounwind readnone
define void @t2() nounwind ssp {
entry:
@ -22,7 +22,7 @@ entry:
; palignr $4, _b, %xmm0
%0 = load <2 x i64>* bitcast ([4 x i32]* @b to <2 x i64>*), align 16 ; <<2 x i64>> [#uses=1]
%1 = load <2 x i64>* bitcast ([4 x i32]* @a to <2 x i64>*), align 16 ; <<2 x i64>> [#uses=1]
%2 = tail call <2 x i64> @llvm.x86.ssse3.palign.r.128(<2 x i64> %1, <2 x i64> %0, i32 32) nounwind readnone
%2 = tail call <2 x i64> @llvm.x86.ssse3.palign.r.128(<2 x i64> %1, <2 x i64> %0, i8 32) nounwind readnone
store <2 x i64> %2, <2 x i64>* bitcast ([4 x i32]* @c to <2 x i64>*), align 16
ret void
}