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[X86] Add patterns for vzmovl+cvtpd2ps with a load. 

llvm-svn: 315800
This commit is contained in:
Craig Topper 2017-10-14 05:55:42 +00:00
parent aec05a9303
commit ee277e190c
3 changed files with 60 additions and 24 deletions
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12
llvm/lib/Target/X86/X86InstrAVX512.td
View File

@ -6651,10 +6651,14 @@ def : Pat<(v8f64 (extloadv8f32 addr:$src)),
(VCVTPS2PDZrm addr:$src)>;
let Predicates = [HasVLX] in {
let AddedComplexity = 15 in
def : Pat<(X86vzmovl (v2f64 (bitconvert
(v4f32 (X86vfpround (v2f64 VR128X:$src)))))),
(VCVTPD2PSZ128rr VR128X:$src)>;
let AddedComplexity = 15 in {
def : Pat<(X86vzmovl (v2f64 (bitconvert
(v4f32 (X86vfpround (v2f64 VR128X:$src)))))),
(VCVTPD2PSZ128rr VR128X:$src)>;
def : Pat<(X86vzmovl (v2f64 (bitconvert
(v4f32 (X86vfpround (loadv2f64 addr:$src)))))),
(VCVTPD2PSZ128rm addr:$src)>;
}
def : Pat<(v2f64 (extloadv2f32 addr:$src)),
(VCVTPS2PDZ128rm addr:$src)>;
def : Pat<(v4f64 (extloadv4f32 addr:$src)),

24
llvm/lib/Target/X86/X86InstrSSE.td
View File

@ -2054,18 +2054,26 @@ def CVTPD2PSrm : PDI<0x5A, MRMSrcMem, (outs VR128:$dst), (ins f128mem:$src),
let Predicates = [HasAVX, NoVLX] in {
// Match fpround and fpextend for 128/256-bit conversions
let AddedComplexity = 15 in
def : Pat<(X86vzmovl (v2f64 (bitconvert
(v4f32 (X86vfpround (v2f64 VR128:$src)))))),
(VCVTPD2PSrr VR128:$src)>;
let AddedComplexity = 15 in {
def : Pat<(X86vzmovl (v2f64 (bitconvert
(v4f32 (X86vfpround (v2f64 VR128:$src)))))),
(VCVTPD2PSrr VR128:$src)>;
def : Pat<(X86vzmovl (v2f64 (bitconvert
(v4f32 (X86vfpround (loadv2f64 addr:$src)))))),
(VCVTPD2PSrm addr:$src)>;
}
}
let Predicates = [UseSSE2] in {
// Match fpround and fpextend for 128 conversions
let AddedComplexity = 15 in
def : Pat<(X86vzmovl (v2f64 (bitconvert
(v4f32 (X86vfpround (v2f64 VR128:$src)))))),
(CVTPD2PSrr VR128:$src)>;
let AddedComplexity = 15 in {
def : Pat<(X86vzmovl (v2f64 (bitconvert
(v4f32 (X86vfpround (v2f64 VR128:$src)))))),
(CVTPD2PSrr VR128:$src)>;
def : Pat<(X86vzmovl (v2f64 (bitconvert
(v4f32 (X86vfpround (loadv2f64 addr:$src)))))),
(CVTPD2PSrm addr:$src)>;
}
}
//===----------------------------------------------------------------------===//

48
llvm/test/CodeGen/X86/sse2-intrinsics-x86.ll
View File

@ -313,6 +313,30 @@ define <4 x float> @test_x86_sse2_cvtpd2ps_zext(<2 x double> %a0) nounwind {
ret <4 x float> %res
}
define <4 x float> @test_x86_sse2_cvtpd2ps_zext_load(<2 x double>* %p0) nounwind {
; SSE-LABEL: test_x86_sse2_cvtpd2ps_zext_load:
; SSE: ## BB#0:
; SSE-NEXT: movl {{[0-9]+}}(%esp), %eax ## encoding: [0x8b,0x44,0x24,0x04]
; SSE-NEXT: cvtpd2ps (%eax), %xmm0 ## encoding: [0x66,0x0f,0x5a,0x00]
; SSE-NEXT: retl ## encoding: [0xc3]
;
; AVX2-LABEL: test_x86_sse2_cvtpd2ps_zext_load:
; AVX2: ## BB#0:
; AVX2-NEXT: movl {{[0-9]+}}(%esp), %eax ## encoding: [0x8b,0x44,0x24,0x04]
; AVX2-NEXT: vcvtpd2psx (%eax), %xmm0 ## encoding: [0xc5,0xf9,0x5a,0x00]
; AVX2-NEXT: retl ## encoding: [0xc3]
;
; SKX-LABEL: test_x86_sse2_cvtpd2ps_zext_load:
; SKX: ## BB#0:
; SKX-NEXT: movl {{[0-9]+}}(%esp), %eax ## encoding: [0x8b,0x44,0x24,0x04]
; SKX-NEXT: vcvtpd2psx (%eax), %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xf9,0x5a,0x00]
; SKX-NEXT: retl ## encoding: [0xc3]
%a0 = load <2 x double>, <2 x double>* %p0
%cvt = call <4 x float> @llvm.x86.sse2.cvtpd2ps(<2 x double> %a0)
%res = shufflevector <4 x float> %cvt, <4 x float> zeroinitializer, <4 x i32> <i32 0, i32 1, i32 4, i32 5>
ret <4 x float> %res
}
define <4 x i32> @test_x86_sse2_cvtps2dq(<4 x float> %a0) {
; SSE-LABEL: test_x86_sse2_cvtps2dq:
; SSE: ## BB#0:
@ -686,21 +710,21 @@ define <8 x i16> @test_x86_sse2_packssdw_128_fold() {
; SSE: ## BB#0:
; SSE-NEXT: movaps {{.*#+}} xmm0 = [0,0,0,0,32767,32767,65535,32768]
; SSE-NEXT: ## encoding: [0x0f,0x28,0x05,A,A,A,A]
; SSE-NEXT: ## fixup A - offset: 3, value: LCPI32_0, kind: FK_Data_4
; SSE-NEXT: ## fixup A - offset: 3, value: LCPI33_0, kind: FK_Data_4
; SSE-NEXT: retl ## encoding: [0xc3]
;
; AVX2-LABEL: test_x86_sse2_packssdw_128_fold:
; AVX2: ## BB#0:
; AVX2-NEXT: vmovaps {{.*#+}} xmm0 = [0,0,0,0,32767,32767,65535,32768]
; AVX2-NEXT: ## encoding: [0xc5,0xf8,0x28,0x05,A,A,A,A]
; AVX2-NEXT: ## fixup A - offset: 4, value: LCPI32_0, kind: FK_Data_4
; AVX2-NEXT: ## fixup A - offset: 4, value: LCPI33_0, kind: FK_Data_4
; AVX2-NEXT: retl ## encoding: [0xc3]
;
; SKX-LABEL: test_x86_sse2_packssdw_128_fold:
; SKX: ## BB#0:
; SKX-NEXT: vmovaps LCPI32_0, %xmm0 ## EVEX TO VEX Compression xmm0 = [0,0,0,0,32767,32767,65535,32768]
; SKX-NEXT: vmovaps LCPI33_0, %xmm0 ## EVEX TO VEX Compression xmm0 = [0,0,0,0,32767,32767,65535,32768]
; SKX-NEXT: ## encoding: [0xc5,0xf8,0x28,0x05,A,A,A,A]
; SKX-NEXT: ## fixup A - offset: 4, value: LCPI32_0, kind: FK_Data_4
; SKX-NEXT: ## fixup A - offset: 4, value: LCPI33_0, kind: FK_Data_4
; SKX-NEXT: retl ## encoding: [0xc3]
%res = call <8 x i16> @llvm.x86.sse2.packssdw.128(<4 x i32> zeroinitializer, <4 x i32> <i32 65535, i32 65536, i32 -1, i32 -131072>)
ret <8 x i16> %res
@ -733,21 +757,21 @@ define <16 x i8> @test_x86_sse2_packsswb_128_fold() {
; SSE: ## BB#0:
; SSE-NEXT: movaps {{.*#+}} xmm0 = [0,127,127,255,255,128,128,128,0,0,0,0,0,0,0,0]
; SSE-NEXT: ## encoding: [0x0f,0x28,0x05,A,A,A,A]
; SSE-NEXT: ## fixup A - offset: 3, value: LCPI34_0, kind: FK_Data_4
; SSE-NEXT: ## fixup A - offset: 3, value: LCPI35_0, kind: FK_Data_4
; SSE-NEXT: retl ## encoding: [0xc3]
;
; AVX2-LABEL: test_x86_sse2_packsswb_128_fold:
; AVX2: ## BB#0:
; AVX2-NEXT: vmovaps {{.*#+}} xmm0 = [0,127,127,255,255,128,128,128,0,0,0,0,0,0,0,0]
; AVX2-NEXT: ## encoding: [0xc5,0xf8,0x28,0x05,A,A,A,A]
; AVX2-NEXT: ## fixup A - offset: 4, value: LCPI34_0, kind: FK_Data_4
; AVX2-NEXT: ## fixup A - offset: 4, value: LCPI35_0, kind: FK_Data_4
; AVX2-NEXT: retl ## encoding: [0xc3]
;
; SKX-LABEL: test_x86_sse2_packsswb_128_fold:
; SKX: ## BB#0:
; SKX-NEXT: vmovaps LCPI34_0, %xmm0 ## EVEX TO VEX Compression xmm0 = [0,127,127,255,255,128,128,128,0,0,0,0,0,0,0,0]
; SKX-NEXT: vmovaps LCPI35_0, %xmm0 ## EVEX TO VEX Compression xmm0 = [0,127,127,255,255,128,128,128,0,0,0,0,0,0,0,0]
; SKX-NEXT: ## encoding: [0xc5,0xf8,0x28,0x05,A,A,A,A]
; SKX-NEXT: ## fixup A - offset: 4, value: LCPI34_0, kind: FK_Data_4
; SKX-NEXT: ## fixup A - offset: 4, value: LCPI35_0, kind: FK_Data_4
; SKX-NEXT: retl ## encoding: [0xc3]
%res = call <16 x i8> @llvm.x86.sse2.packsswb.128(<8 x i16> <i16 0, i16 255, i16 256, i16 65535, i16 -1, i16 -255, i16 -256, i16 -32678>, <8 x i16> zeroinitializer)
ret <16 x i8> %res
@ -780,21 +804,21 @@ define <16 x i8> @test_x86_sse2_packuswb_128_fold() {
; SSE: ## BB#0:
; SSE-NEXT: movaps {{.*#+}} xmm0 = [0,255,255,0,0,0,0,0,0,0,0,0,0,0,0,0]
; SSE-NEXT: ## encoding: [0x0f,0x28,0x05,A,A,A,A]
; SSE-NEXT: ## fixup A - offset: 3, value: LCPI36_0, kind: FK_Data_4
; SSE-NEXT: ## fixup A - offset: 3, value: LCPI37_0, kind: FK_Data_4
; SSE-NEXT: retl ## encoding: [0xc3]
;
; AVX2-LABEL: test_x86_sse2_packuswb_128_fold:
; AVX2: ## BB#0:
; AVX2-NEXT: vmovaps {{.*#+}} xmm0 = [0,255,255,0,0,0,0,0,0,0,0,0,0,0,0,0]
; AVX2-NEXT: ## encoding: [0xc5,0xf8,0x28,0x05,A,A,A,A]
; AVX2-NEXT: ## fixup A - offset: 4, value: LCPI36_0, kind: FK_Data_4
; AVX2-NEXT: ## fixup A - offset: 4, value: LCPI37_0, kind: FK_Data_4
; AVX2-NEXT: retl ## encoding: [0xc3]
;
; SKX-LABEL: test_x86_sse2_packuswb_128_fold:
; SKX: ## BB#0:
; SKX-NEXT: vmovaps LCPI36_0, %xmm0 ## EVEX TO VEX Compression xmm0 = [0,255,255,0,0,0,0,0,0,0,0,0,0,0,0,0]
; SKX-NEXT: vmovaps LCPI37_0, %xmm0 ## EVEX TO VEX Compression xmm0 = [0,255,255,0,0,0,0,0,0,0,0,0,0,0,0,0]
; SKX-NEXT: ## encoding: [0xc5,0xf8,0x28,0x05,A,A,A,A]
; SKX-NEXT: ## fixup A - offset: 4, value: LCPI36_0, kind: FK_Data_4
; SKX-NEXT: ## fixup A - offset: 4, value: LCPI37_0, kind: FK_Data_4
; SKX-NEXT: retl ## encoding: [0xc3]
%res = call <16 x i8> @llvm.x86.sse2.packuswb.128(<8 x i16> <i16 0, i16 255, i16 256, i16 65535, i16 -1, i16 -255, i16 -256, i16 -32678>, <8 x i16> zeroinitializer)
ret <16 x i8> %res