6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-13 20:32:21 +00:00
Code Issues Projects Releases Wiki Activity

[X86][AVX] Added (V)MOVDDUP / (V)MOVSLDUP / (V)MOVSHDUP memory folding + tests.

Browse Source 
Minor tweak now that D7042 is complete, we can enable stack folding for (V)MOVDDUP and do proper testing.

Added missing AVX ymm folding patterns and fixed alignment for AVX VMOVSLDUP / VMOVSHDUP.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226873 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Simon Pilgrim 2015-01-22 22:39:59 +00:00
parent 6377361399
commit 316b43f7df
3 changed files with 40 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
lib/Target/X86/X86InstrInfo.cpp
View File

@ -572,8 +572,8 @@ X86InstrInfo::X86InstrInfo(X86Subtarget &STI)
{ X86::VMOVDI2PDIrr, X86::VMOVDI2PDIrm, 0 },
{ X86::VMOVDI2SSrr, X86::VMOVDI2SSrm, 0 },
{ X86::VMOVDQArr, X86::VMOVDQArm, TB_ALIGN_16 },
{ X86::VMOVSLDUPrr, X86::VMOVSLDUPrm, TB_ALIGN_16 },
{ X86::VMOVSHDUPrr, X86::VMOVSHDUPrm, TB_ALIGN_16 },
{ X86::VMOVSLDUPrr, X86::VMOVSLDUPrm, 0 },
{ X86::VMOVSHDUPrr, X86::VMOVSHDUPrm, 0 },
{ X86::VMOVUPDrr, X86::VMOVUPDrm, 0 },
{ X86::VMOVUPSrr, X86::VMOVUPSrm, 0 },
{ X86::VMOVZQI2PQIrr, X86::VMOVZQI2PQIrm, 0 },
@ -629,7 +629,10 @@ X86InstrInfo::X86InstrInfo(X86Subtarget &STI)
{ X86::VCVTTPS2DQYrr, X86::VCVTTPS2DQYrm, 0 },
{ X86::VMOVAPDYrr, X86::VMOVAPDYrm, TB_ALIGN_32 },
{ X86::VMOVAPSYrr, X86::VMOVAPSYrm, TB_ALIGN_32 },
{ X86::VMOVDDUPYrr, X86::VMOVDDUPYrm, 0 },
{ X86::VMOVDQAYrr, X86::VMOVDQAYrm, TB_ALIGN_32 },
{ X86::VMOVSLDUPYrr, X86::VMOVSLDUPYrm, 0 },
{ X86::VMOVSHDUPYrr, X86::VMOVSHDUPYrm, 0 },
{ X86::VMOVUPDYrr, X86::VMOVUPDYrm, 0 },
{ X86::VMOVUPSYrr, X86::VMOVUPSYrm, 0 },
{ X86::VPERMILPDYri, X86::VPERMILPDYmi, 0 },

37
test/CodeGen/X86/stack-folding-fp-avx1.ll
View File

@ -1085,11 +1085,21 @@ define <4 x float> @stack_fold_minss_int(<4 x float> %a0, <4 x float> %a1) {
}
declare <4 x float> @llvm.x86.sse.min.ss(<4 x float>, <4 x float>) nounwind readnone
; TODO stack_fold_movd (load / store)
; TODO stack_fold_movq (load / store)
define <2 x double> @stack_fold_movddup(<2 x double> %a0) {
;CHECK-LABEL: stack_fold_movddup
;CHECK: vmovddup {{-?[0-9]*}}(%rsp), {{%xmm[0-9][0-9]*}} {{.*#+}} 16-byte Folded Reload
%1 = tail call <2 x i64> asm sideeffect "nop", "=x,~{xmm1},~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{flags}"()
%2 = shufflevector <2 x double> %a0, <2 x double> undef, <2 x i32> <i32 0, i32 0>
ret <2 x double> %2
}
; TODO stack_fold_movddup
; TODO stack_fold_movddup_ymm
define <4 x double> @stack_fold_movddup_ymm(<4 x double> %a0) {
;CHECK-LABEL: stack_fold_movddup_ymm
;CHECK: vmovddup {{-?[0-9]*}}(%rsp), {{%ymm[0-9][0-9]*}} {{.*#+}} 32-byte Folded Reload
%1 = tail call <2 x i64> asm sideeffect "nop", "=x,~{xmm1},~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{flags}"()
%2 = shufflevector <4 x double> %a0, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
ret <4 x double> %2
}
; TODO stack_fold_movhpd (load / store)
; TODO stack_fold_movhps (load / store)
@ -1097,9 +1107,6 @@ declare <4 x float> @llvm.x86.sse.min.ss(<4 x float>, <4 x float>) nounwind read
; TODO stack_fold_movlpd (load / store)
; TODO stack_fold_movlps (load / store)
; TODO stack_fold_movsd (load / store)
; TODO stack_fold_movss (load / store)
define <4 x float> @stack_fold_movshdup(<4 x float> %a0) {
;CHECK-LABEL: stack_fold_movshdup
;CHECK: vmovshdup {{-?[0-9]*}}(%rsp), {{%xmm[0-9][0-9]*}} {{.*#+}} 16-byte Folded Reload
@ -1108,7 +1115,13 @@ define <4 x float> @stack_fold_movshdup(<4 x float> %a0) {
ret <4 x float> %2
}
; TODO stack_fold_movshdup_ymm
define <8 x float> @stack_fold_movshdup_ymm(<8 x float> %a0) {
;CHECK-LABEL: stack_fold_movshdup_ymm
;CHECK: vmovshdup {{-?[0-9]*}}(%rsp), {{%ymm[0-9][0-9]*}} {{.*#+}} 32-byte Folded Reload
%1 = tail call <2 x i64> asm sideeffect "nop", "=x,~{xmm1},~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{flags}"()
%2 = shufflevector <8 x float> %a0, <8 x float> undef, <8 x i32> <i32 1, i32 1, i32 3, i32 3, i32 5, i32 5, i32 7, i32 7>
ret <8 x float> %2
}
define <4 x float> @stack_fold_movsldup(<4 x float> %a0) {
;CHECK-LABEL: stack_fold_movsldup
@ -1118,7 +1131,13 @@ define <4 x float> @stack_fold_movsldup(<4 x float> %a0) {
ret <4 x float> %2
}
; TODO stack_fold_movshdup_ymm
define <8 x float> @stack_fold_movsldup_ymm(<8 x float> %a0) {
;CHECK-LABEL: stack_fold_movsldup_ymm
;CHECK: vmovsldup {{-?[0-9]*}}(%rsp), {{%ymm[0-9][0-9]*}} {{.*#+}} 32-byte Folded Reload
%1 = tail call <2 x i64> asm sideeffect "nop", "=x,~{xmm1},~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{flags}"()
%2 = shufflevector <8 x float> %a0, <8 x float> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
ret <8 x float> %2
}
define <2 x double> @stack_fold_mulpd(<2 x double> %a0, <2 x double> %a1) {
;CHECK-LABEL: stack_fold_mulpd

15
test/CodeGen/X86/stack-folding-fp-sse42.ll
View File

@ -737,20 +737,19 @@ define <4 x float> @stack_fold_minss_int(<4 x float> %a0, <4 x float> %a1) {
}
declare <4 x float> @llvm.x86.sse.min.ss(<4 x float>, <4 x float>) nounwind readnone
; TODO stack_fold_movd (load / store)
; TODO stack_fold_movq (load / store)
; TODO stack_fold_movddup
define <2 x double> @stack_fold_movddup(<2 x double> %a0) {
;CHECK-LABEL: stack_fold_movddup
;CHECK: movddup {{-?[0-9]*}}(%rsp), {{%xmm[0-9][0-9]*}} {{.*#+}} 16-byte Folded Reload
%1 = tail call <2 x i64> asm sideeffect "nop", "=x,~{xmm1},~{xmm2},~{xmm3},~{xmm4},~{xmm5},~{xmm6},~{xmm7},~{xmm8},~{xmm9},~{xmm10},~{xmm11},~{xmm12},~{xmm13},~{xmm14},~{xmm15},~{flags}"()
%2 = shufflevector <2 x double> %a0, <2 x double> undef, <2 x i32> <i32 0, i32 0>
ret <2 x double> %2
}
; TODO stack_fold_movhpd (load / store)
; TODO stack_fold_movhps (load / store)
; TODO stack_fold_movlpd (load / store)
; TODO stack_fold_movlps (load / store)
; TODO stack_fold_movsd (load / store)
; TODO stack_fold_movss (load / store)
define <4 x float> @stack_fold_movshdup(<4 x float> %a0) {
;CHECK-LABEL: stack_fold_movshdup
;CHECK: movshdup {{-?[0-9]*}}(%rsp), {{%xmm[0-9][0-9]*}} {{.*#+}} 16-byte Folded Reload