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[X86][SSE] Add OR(EXTRACTELT(X,0),OR(EXTRACTELT(X,1))) -> MOVMSK+CMP reduction combine

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375463 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Simon Pilgrim
2019-10-21 22:36:31 +00:00
parent d8c44a50c7
commit 1e4c44b0d4
2 changed files with 30 additions and 18 deletions
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test/CodeGen/X86/movmsk-cmp.ll
+12 -18
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@@ -4513,21 +4513,17 @@ define i1 @movmsk_or_v2i64(<2 x i64> %x, <2 x i64> %y) {
; SSE2-NEXT: pcmpeqd %xmm1, %xmm0
; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm0[1,0,3,2]
; SSE2-NEXT: pand %xmm0, %xmm1
; SSE2-NEXT: movmskpd %xmm1, %ecx
; SSE2-NEXT: xorl $3, %ecx
; SSE2-NEXT: movl %ecx, %eax
; SSE2-NEXT: shrb %al
; SSE2-NEXT: orb %cl, %al
; SSE2-NEXT: movmskpd %xmm1, %eax
; SSE2-NEXT: xorb $3, %al
; SSE2-NEXT: setne %al
; SSE2-NEXT: retq
;
; AVX-LABEL: movmsk_or_v2i64:
; AVX: # %bb.0:
; AVX-NEXT: vpcmpeqq %xmm1, %xmm0, %xmm0
; AVX-NEXT: vmovmskpd %xmm0, %ecx
; AVX-NEXT: xorl $3, %ecx
; AVX-NEXT: movl %ecx, %eax
; AVX-NEXT: shrb %al
; AVX-NEXT: orb %cl, %al
; AVX-NEXT: vmovmskpd %xmm0, %eax
; AVX-NEXT: xorb $3, %al
; AVX-NEXT: setne %al
; AVX-NEXT: retq
;
; KNL-LABEL: movmsk_or_v2i64:
@@ -4668,19 +4664,17 @@ define i1 @movmsk_or_v2f64(<2 x double> %x, <2 x double> %y) {
; SSE2-LABEL: movmsk_or_v2f64:
; SSE2: # %bb.0:
; SSE2-NEXT: cmplepd %xmm0, %xmm1
; SSE2-NEXT: movmskpd %xmm1, %ecx
; SSE2-NEXT: movl %ecx, %eax
; SSE2-NEXT: shrb %al
; SSE2-NEXT: orb %cl, %al
; SSE2-NEXT: movmskpd %xmm1, %eax
; SSE2-NEXT: testb %al, %al
; SSE2-NEXT: setne %al
; SSE2-NEXT: retq
;
; AVX-LABEL: movmsk_or_v2f64:
; AVX: # %bb.0:
; AVX-NEXT: vcmplepd %xmm0, %xmm1, %xmm0
; AVX-NEXT: vmovmskpd %xmm0, %ecx
; AVX-NEXT: movl %ecx, %eax
; AVX-NEXT: shrb %al
; AVX-NEXT: orb %cl, %al
; AVX-NEXT: vmovmskpd %xmm0, %eax
; AVX-NEXT: testb %al, %al
; AVX-NEXT: setne %al
; AVX-NEXT: retq
;
; KNL-LABEL: movmsk_or_v2f64: