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Lift alignment restrictions for load/store folding on VINSERTF128/VEXTRACTF128. Fixes PR17268.

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llvm-svn: 190916
This commit is contained in:
Craig Topper 2013-09-18 03:55:53 +00:00
parent 8914db31b9
commit 5d022196de
4 changed files with 12 additions and 13 deletions
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20
lib/Target/X86/X86InstrSSE.td
View File

@ -7716,11 +7716,11 @@ def : Pat<(vinsert128_insert:$ins (v4f64 VR256:$src1), (v2f64 VR128:$src2),
(VINSERTF128rr VR256:$src1, VR128:$src2,
(INSERT_get_vinsert128_imm VR256:$ins))>;
def : Pat<(vinsert128_insert:$ins (v8f32 VR256:$src1), (memopv4f32 addr:$src2),
def : Pat<(vinsert128_insert:$ins (v8f32 VR256:$src1), (loadv4f32 addr:$src2),
(iPTR imm)),
(VINSERTF128rm VR256:$src1, addr:$src2,
(INSERT_get_vinsert128_imm VR256:$ins))>;
def : Pat<(vinsert128_insert:$ins (v4f64 VR256:$src1), (memopv2f64 addr:$src2),
def : Pat<(vinsert128_insert:$ins (v4f64 VR256:$src1), (loadv2f64 addr:$src2),
(iPTR imm)),
(VINSERTF128rm VR256:$src1, addr:$src2,
(INSERT_get_vinsert128_imm VR256:$ins))>;
@ -7744,22 +7744,22 @@ def : Pat<(vinsert128_insert:$ins (v16i16 VR256:$src1), (v8i16 VR128:$src2),
(VINSERTF128rr VR256:$src1, VR128:$src2,
(INSERT_get_vinsert128_imm VR256:$ins))>;
def : Pat<(vinsert128_insert:$ins (v4i64 VR256:$src1), (memopv2i64 addr:$src2),
def : Pat<(vinsert128_insert:$ins (v4i64 VR256:$src1), (loadv2i64 addr:$src2),
(iPTR imm)),
(VINSERTF128rm VR256:$src1, addr:$src2,
(INSERT_get_vinsert128_imm VR256:$ins))>;
def : Pat<(vinsert128_insert:$ins (v8i32 VR256:$src1),
(bc_v4i32 (memopv2i64 addr:$src2)),
(bc_v4i32 (loadv2i64 addr:$src2)),
(iPTR imm)),
(VINSERTF128rm VR256:$src1, addr:$src2,
(INSERT_get_vinsert128_imm VR256:$ins))>;
def : Pat<(vinsert128_insert:$ins (v32i8 VR256:$src1),
(bc_v16i8 (memopv2i64 addr:$src2)),
(bc_v16i8 (loadv2i64 addr:$src2)),
(iPTR imm)),
(VINSERTF128rm VR256:$src1, addr:$src2,
(INSERT_get_vinsert128_imm VR256:$ins))>;
def : Pat<(vinsert128_insert:$ins (v16i16 VR256:$src1),
(bc_v8i16 (memopv2i64 addr:$src2)),
(bc_v8i16 (loadv2i64 addr:$src2)),
(iPTR imm)),
(VINSERTF128rm VR256:$src1, addr:$src2,
(INSERT_get_vinsert128_imm VR256:$ins))>;
@ -7791,12 +7791,12 @@ def : Pat<(vextract128_extract:$ext VR256:$src1, (iPTR imm)),
(v4f64 VR256:$src1),
(EXTRACT_get_vextract128_imm VR128:$ext)))>;
def : Pat<(alignedstore (v4f32 (vextract128_extract:$ext (v8f32 VR256:$src1),
(iPTR imm))), addr:$dst),
def : Pat<(store (v4f32 (vextract128_extract:$ext (v8f32 VR256:$src1),
(iPTR imm))), addr:$dst),
(VEXTRACTF128mr addr:$dst, VR256:$src1,
(EXTRACT_get_vextract128_imm VR128:$ext))>;
def : Pat<(alignedstore (v2f64 (vextract128_extract:$ext (v4f64 VR256:$src1),
(iPTR imm))), addr:$dst),
def : Pat<(store (v2f64 (vextract128_extract:$ext (v4f64 VR256:$src1),
(iPTR imm))), addr:$dst),
(VEXTRACTF128mr addr:$dst, VR256:$src1,
(EXTRACT_get_vextract128_imm VR128:$ext))>;
}

2
lib/Transforms/Vectorize/SLPVectorizer.cpp
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@ -51,7 +51,7 @@ static cl::opt<int>
"number "));
namespace {
static const unsigned MinVecRegSize = 128;
static const unsigned MinVecRegSize = 256;
static const unsigned RecursionMaxDepth = 12;

2
test/CodeGen/X86/avx-shuffle.ll
View File

@ -251,8 +251,6 @@ define <8 x float> @test19(<8 x float> %A, <8 x float>%B) nounwind {
; CHECK: swap8doubles
; CHECK: vmovups {{[0-9]*}}(%rdi), %xmm{{[0-9]+}}
; CHECK: vmovups {{[0-9]*}}(%rdi), %xmm{{[0-9]+}}
; CHECK: vmovups {{[0-9]*}}(%rdi), %xmm{{[0-9]+}}
; CHECK: vmovups {{[0-9]*}}(%rdi), %xmm{{[0-9]+}}
; CHECK: vmovaps {{[0-9]*}}(%rsi), %ymm{{[0-9]+}}
; CHECK: vmovaps {{[0-9]*}}(%rsi), %ymm{{[0-9]+}}
; CHECK: vmovaps %xmm{{[0-9]+}}, {{[0-9]*}}(%rdi)

1
tools/opt/opt.cpp
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@ -462,6 +462,7 @@ static void AddOptimizationPasses(PassManagerBase &MPM,FunctionPassManager &FPM,
DisableLoopUnrolling : OptLevel == 0;
Builder.LoopVectorize = OptLevel > 1 && SizeLevel < 2;
Builder.SLPVectorize = true;
Builder.populateFunctionPassManager(FPM);
Builder.populateModulePassManager(MPM);