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| author | Sanjay Patel <spatel@rotateright.com> | 2016-12-05 15:45:27 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2016-12-05 15:45:27 +0000 |
| commit | f807f6a05fbaa06a2a37cf01dc1df7dc357648e9 (patch) | |
| tree | d8c826a18103374ddd476febee64d433aa8db2e2 /llvm/test/CodeGen | |
| parent | bfd6a758618a3c0d4dde6da044b38f3b9a3757d5 (diff) | |
| download | bcm5719-llvm-f807f6a05fbaa06a2a37cf01dc1df7dc357648e9.tar.gz bcm5719-llvm-f807f6a05fbaa06a2a37cf01dc1df7dc357648e9.zip | |
[x86] fold fand (fxor X, -1) Y --> fandn X, Y
I noticed this gap in the scalar FP-logic matching with:
D26712
and:
rL287171
Differential Revision: https://reviews.llvm.org/D27385
llvm-svn: 288675
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/X86/fp-logic-replace.ll | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/llvm/test/CodeGen/X86/fp-logic-replace.ll b/llvm/test/CodeGen/X86/fp-logic-replace.ll index 50e2c1b2029..0a233fd9b64 100644 --- a/llvm/test/CodeGen/X86/fp-logic-replace.ll +++ b/llvm/test/CodeGen/X86/fp-logic-replace.ll @@ -29,16 +29,13 @@ define double @FsANDPSrr(double %x, double %y) { define double @FsANDNPSrr(double %x, double %y) { ; SSE-LABEL: FsANDNPSrr: ; SSE: # BB#0: -; SSE-NEXT: movsd {{.*#+}} xmm2 = mem[0],zero -; SSE-NEXT: xorpd %xmm1, %xmm2 -; SSE-NEXT: andpd %xmm2, %xmm0 +; SSE-NEXT: andnps %xmm0, %xmm1 +; SSE-NEXT: movaps %xmm1, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: FsANDNPSrr: ; AVX: # BB#0: -; AVX-NEXT: vmovsd {{.*#+}} xmm2 = mem[0],zero -; AVX-NEXT: vxorpd %xmm2, %xmm1, %xmm1 -; AVX-NEXT: vandpd %xmm1, %xmm0, %xmm0 +; AVX-NEXT: vandnps %xmm0, %xmm1, %xmm0 ; AVX-NEXT: retq ; %bc1 = bitcast double %x to i64 |
