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Replace (V)MOVZDI2PDIrr/rm instructions with patterns that select (V)MOVDI2PDIrr/rm.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193146 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2013-10-22 04:35:20 +00:00
parent 5b46ad4faf
commit fc678719d9
2 changed files with 22 additions and 37 deletions
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2
lib/Target/X86/X86InstrInfo.cpp
View File

@ -441,7 +441,6 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm)
{ X86::MOVSX64rr8, X86::MOVSX64rm8, 0 },
{ X86::MOVUPDrr, X86::MOVUPDrm, TB_ALIGN_16 },
{ X86::MOVUPSrr, X86::MOVUPSrm, 0 },
{ X86::MOVZDI2PDIrr, X86::MOVZDI2PDIrm, 0 },
{ X86::MOVZQI2PQIrr, X86::MOVZQI2PQIrm, 0 },
{ X86::MOVZPQILo2PQIrr, X86::MOVZPQILo2PQIrm, TB_ALIGN_16 },
{ X86::MOVZX16rr8, X86::MOVZX16rm8, 0 },
@ -502,7 +501,6 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm)
{ X86::VMOVSHDUPrr, X86::VMOVSHDUPrm, TB_ALIGN_16 },
{ X86::VMOVUPDrr, X86::VMOVUPDrm, 0 },
{ X86::VMOVUPSrr, X86::VMOVUPSrm, 0 },
{ X86::VMOVZDI2PDIrr, X86::VMOVZDI2PDIrm, 0 },
{ X86::VMOVZQI2PQIrr, X86::VMOVZQI2PQIrm, 0 },
{ X86::VMOVZPQILo2PQIrr,X86::VMOVZPQILo2PQIrm, TB_ALIGN_16 },
{ X86::VPABSBrr128, X86::VPABSBrm128, 0 },

57
lib/Target/X86/X86InstrSSE.td
View File

@ -4535,24 +4535,12 @@ let isCodeGenOnly = 1 in {
//
let isCodeGenOnly = 1, SchedRW = [WriteMove] in {
let AddedComplexity = 15 in {
def VMOVZDI2PDIrr : VS2I<0x6E, MRMSrcReg, (outs VR128:$dst), (ins GR32:$src),
"movd\t{$src, $dst|$dst, $src}",
[(set VR128:$dst, (v4i32 (X86vzmovl
(v4i32 (scalar_to_vector GR32:$src)))))],
IIC_SSE_MOVDQ>, VEX;
def VMOVZQI2PQIrr : VS2I<0x6E, MRMSrcReg, (outs VR128:$dst), (ins GR64:$src),
"movq\t{$src, $dst|$dst, $src}", // X86-64 only
[(set VR128:$dst, (v2i64 (X86vzmovl
(v2i64 (scalar_to_vector GR64:$src)))))],
IIC_SSE_MOVDQ>,
VEX, VEX_W;
}
let AddedComplexity = 15 in {
def MOVZDI2PDIrr : S2I<0x6E, MRMSrcReg, (outs VR128:$dst), (ins GR32:$src),
"movd\t{$src, $dst|$dst, $src}",
[(set VR128:$dst, (v4i32 (X86vzmovl
(v4i32 (scalar_to_vector GR32:$src)))))],
IIC_SSE_MOVDQ>;
def MOVZQI2PQIrr : RS2I<0x6E, MRMSrcReg, (outs VR128:$dst), (ins GR64:$src),
"mov{d|q}\t{$src, $dst|$dst, $src}", // X86-64 only
[(set VR128:$dst, (v2i64 (X86vzmovl
@ -4561,43 +4549,42 @@ def MOVZQI2PQIrr : RS2I<0x6E, MRMSrcReg, (outs VR128:$dst), (ins GR64:$src),
}
} // isCodeGenOnly, SchedRW
let isCodeGenOnly = 1, AddedComplexity = 20, SchedRW = [WriteLoad] in {
def VMOVZDI2PDIrm : VS2I<0x6E, MRMSrcMem, (outs VR128:$dst), (ins i32mem:$src),
"movd\t{$src, $dst|$dst, $src}",
[(set VR128:$dst,
(v4i32 (X86vzmovl (v4i32 (scalar_to_vector
(loadi32 addr:$src))))))],
IIC_SSE_MOVDQ>, VEX;
def MOVZDI2PDIrm : S2I<0x6E, MRMSrcMem, (outs VR128:$dst), (ins i32mem:$src),
"movd\t{$src, $dst|$dst, $src}",
[(set VR128:$dst,
(v4i32 (X86vzmovl (v4i32 (scalar_to_vector
(loadi32 addr:$src))))))],
IIC_SSE_MOVDQ>;
} // isCodeGenOnly, AddedComplexity, SchedRW
let Predicates = [UseAVX] in {
let AddedComplexity = 15 in
def : Pat<(v4i32 (X86vzmovl (v4i32 (scalar_to_vector GR32:$src)))),
(VMOVDI2PDIrr GR32:$src)>;
// AVX 128-bit movd/movq instruction write zeros in the high 128-bit part.
let AddedComplexity = 20 in {
def : Pat<(v4i32 (X86vzmovl (v4i32 (scalar_to_vector (loadi32 addr:$src))))),
(VMOVDI2PDIrm addr:$src)>;
def : Pat<(v4i32 (X86vzmovl (bc_v4i32 (loadv4f32 addr:$src)))),
(VMOVZDI2PDIrm addr:$src)>;
(VMOVDI2PDIrm addr:$src)>;
def : Pat<(v4i32 (X86vzmovl (bc_v4i32 (loadv2i64 addr:$src)))),
(VMOVZDI2PDIrm addr:$src)>;
(VMOVDI2PDIrm addr:$src)>;
}
// Use regular 128-bit instructions to match 256-bit scalar_to_vec+zext.
def : Pat<(v8i32 (X86vzmovl (insert_subvector undef,
(v4i32 (scalar_to_vector GR32:$src)),(iPTR 0)))),
(SUBREG_TO_REG (i32 0), (VMOVZDI2PDIrr GR32:$src), sub_xmm)>;
(SUBREG_TO_REG (i32 0), (VMOVDI2PDIrr GR32:$src), sub_xmm)>;
def : Pat<(v4i64 (X86vzmovl (insert_subvector undef,
(v2i64 (scalar_to_vector GR64:$src)),(iPTR 0)))),
(SUBREG_TO_REG (i64 0), (VMOVZQI2PQIrr GR64:$src), sub_xmm)>;
}
let Predicates = [UseSSE2], AddedComplexity = 20 in {
def : Pat<(v4i32 (X86vzmovl (bc_v4i32 (loadv4f32 addr:$src)))),
(MOVZDI2PDIrm addr:$src)>;
def : Pat<(v4i32 (X86vzmovl (bc_v4i32 (loadv2i64 addr:$src)))),
(MOVZDI2PDIrm addr:$src)>;
let Predicates = [UseSSE2] in {
let AddedComplexity = 15 in
def : Pat<(v4i32 (X86vzmovl (v4i32 (scalar_to_vector GR32:$src)))),
(MOVDI2PDIrr GR32:$src)>;
let AddedComplexity = 20 in {
def : Pat<(v4i32 (X86vzmovl (v4i32 (scalar_to_vector (loadi32 addr:$src))))),
(MOVDI2PDIrm addr:$src)>;
def : Pat<(v4i32 (X86vzmovl (bc_v4i32 (loadv4f32 addr:$src)))),
(MOVDI2PDIrm addr:$src)>;
def : Pat<(v4i32 (X86vzmovl (bc_v4i32 (loadv2i64 addr:$src)))),
(MOVDI2PDIrm addr:$src)>;
}
}
// These are the correct encodings of the instructions so that we know how to