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Fix a couple of shuffle patterns to use movhlps instead

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of movhps as the constraint.  Changes optimizations so
update testcases as appropriate as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86360 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2009-11-07 08:45:53 +00:00
parent 4de9b7f51f
commit 761411c21b
3 changed files with 13 additions and 12 deletions
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18
lib/Target/X86/X86InstrSSE.td
View File

@ -2085,7 +2085,7 @@ def PSHUFDmi : PDIi8<0x70, MRMSrcMem,
[(set VR128:$dst, (v4i32 (pshufd:$src2
(bc_v4i32(memopv2i64 addr:$src1)),
(undef))))]>;
}
}
// SSE2 with ImmT == Imm8 and XS prefix.
def PSHUFHWri : Ii8<0x70, MRMSrcReg,
@ -2874,7 +2874,7 @@ def : Pat<(v16i8 (palign:$src3 VR128:$src1, VR128:$src2)),
(PALIGNR128rr VR128:$src2, VR128:$src1,
(SHUFFLE_get_palign_imm VR128:$src3))>,
Requires<[HasSSSE3]>;
}
}
def : Pat<(X86pshufb VR128:$src, VR128:$mask),
(PSHUFBrr128 VR128:$src, VR128:$mask)>, Requires<[HasSSSE3]>;
@ -3051,15 +3051,15 @@ def : Pat<(v4i32 (movhlps_undef VR128:$src1, (undef))),
let AddedComplexity = 20 in {
// vector_shuffle v1, (load v2) <4, 5, 2, 3> using MOVLPS
// vector_shuffle v1, (load v2) <0, 1, 4, 5> using MOVHPS
// vector_shuffle v1, (load v2) <6, 7, 2, 3> using MOVHPS
def : Pat<(v4f32 (movlp VR128:$src1, (load addr:$src2))),
(MOVLPSrm VR128:$src1, addr:$src2)>, Requires<[HasSSE1]>;
def : Pat<(v2f64 (movlp VR128:$src1, (load addr:$src2))),
(MOVLPDrm VR128:$src1, addr:$src2)>, Requires<[HasSSE2]>;
def : Pat<(v4f32 (movhp VR128:$src1, (load addr:$src2))),
(MOVHPSrm VR128:$src1, addr:$src2)>, Requires<[HasSSE1]>;
def : Pat<(v2f64 (movhp VR128:$src1, (load addr:$src2))),
(MOVHPDrm VR128:$src1, addr:$src2)>, Requires<[HasSSE2]>;
def : Pat<(v4f32 (movhlps (load addr:$src1), VR128:$src2)),
(MOVHPSrm VR128:$src2, addr:$src1)>, Requires<[HasSSE1]>;
def : Pat<(v2f64 (movhlps (load addr:$src1), VR128:$src2)),
(MOVHPDrm VR128:$src2, addr:$src1)>, Requires<[HasSSE2]>;
def : Pat<(v4i32 (movlp VR128:$src1, (load addr:$src2))),
(MOVLPSrm VR128:$src1, addr:$src2)>, Requires<[HasSSE2]>;
@ -3077,9 +3077,9 @@ def : Pat<(store (v4f32 (movlp (load addr:$src1), VR128:$src2)), addr:$src1),
(MOVLPSmr addr:$src1, VR128:$src2)>, Requires<[HasSSE1]>;
def : Pat<(store (v2f64 (movlp (load addr:$src1), VR128:$src2)), addr:$src1),
(MOVLPDmr addr:$src1, VR128:$src2)>, Requires<[HasSSE2]>;
def : Pat<(store (v4f32 (movhp (load addr:$src1), VR128:$src2)), addr:$src1),
def : Pat<(store (v4f32 (movhlps (load addr:$src1), VR128:$src2)), addr:$src1),
(MOVHPSmr addr:$src1, VR128:$src2)>, Requires<[HasSSE1]>;
def : Pat<(store (v2f64 (movhp (load addr:$src1), VR128:$src2)), addr:$src1),
def : Pat<(store (v2f64 (movhlps (load addr:$src1), VR128:$src2)), addr:$src1),
(MOVHPDmr addr:$src1, VR128:$src2)>, Requires<[HasSSE2]>;
def : Pat<(store (v4i32 (movlp (bc_v4i32 (loadv2i64 addr:$src1)), VR128:$src2)),

4
test/CodeGen/X86/sse3.ll
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@ -145,7 +145,9 @@ define void @t9(<4 x float>* %r, <2 x i32>* %A) nounwind {
ret void
; X64: t9:
; X64: movsd (%rsi), %xmm0
; X64: movhps %xmm0, (%rdi)
; X64: movaps (%rdi), %xmm1
; X64: movlhps %xmm0, %xmm1
; X64: movaps %xmm1, (%rdi)
; X64: ret
}

3
test/CodeGen/X86/vec_shuffle-3.ll
View File

@ -1,6 +1,6 @@
; RUN: llc < %s -march=x86 -mattr=+sse2 -o %t
; RUN: grep movlhps %t | count 1
; RUN: grep movhlps %t | count 1
; RUN: grep movhps %t | count 1
define <4 x float> @test1(<4 x float>* %x, <4 x float>* %y) {
%tmp = load <4 x float>* %y ; <<4 x float>> [#uses=2]
@ -18,4 +18,3 @@ entry:
%tmp4 = shufflevector <4 x float> %tmp3, <4 x float> %tmp, <4 x i32> < i32 2, i32 3, i32 6, i32 7 > ; <<4 x float>> [#uses=1]
ret <4 x float> %tmp4
}