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| author | Sanjay Patel <spatel@rotateright.com> | 2015-09-23 17:00:06 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2015-09-23 17:00:06 +0000 |
| commit | df2495f3316bf3a09f50d7f11c83e36a36031764 (patch) | |
| tree | ac5d896d51b6eee119665a4655d04a9ca1ee936f /llvm/test/CodeGen/X86/fp-logic.ll | |
| parent | 979840d31fab3d8597e618e7a1b89b13f838079b (diff) | |
| download | bcm5719-llvm-df2495f3316bf3a09f50d7f11c83e36a36031764.tar.gz bcm5719-llvm-df2495f3316bf3a09f50d7f11c83e36a36031764.zip | |
[x86] replace integer 'and' ops with packed SSE FP 'and' ops when operating on FP scalars
Turn this:
movd %xmm0, %eax
movd %xmm1, %ecx
andl %eax, %ecx
movd %ecx, %xmm0
into this:
andps %xmm1, %xmm0
This is related to, but does not solve:
https://llvm.org/bugs/show_bug.cgi?id=22428
Differential Revision: http://reviews.llvm.org/D13065
llvm-svn: 248395
Diffstat (limited to 'llvm/test/CodeGen/X86/fp-logic.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/fp-logic.ll | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/llvm/test/CodeGen/X86/fp-logic.ll b/llvm/test/CodeGen/X86/fp-logic.ll index d047f7742c8..0b714ffe36f 100644 --- a/llvm/test/CodeGen/X86/fp-logic.ll +++ b/llvm/test/CodeGen/X86/fp-logic.ll @@ -142,9 +142,8 @@ define float @f8(float %x) { define i32 @f9(float %x, float %y) { ; CHECK-LABEL: f9: ; CHECK: # BB#0: -; CHECK-NEXT: movd %xmm0, %ecx -; CHECK-NEXT: movd %xmm1, %eax -; CHECK-NEXT: andl %ecx, %eax +; CHECK-NEXT: andps %xmm1, %xmm0 +; CHECK-NEXT: movd %xmm0, %eax ; CHECK-NEXT: retq %bc1 = bitcast float %x to i32 @@ -158,10 +157,7 @@ define i32 @f9(float %x, float %y) { define float @f10(float %x, float %y) { ; CHECK-LABEL: f10: ; CHECK: # BB#0: -; CHECK-NEXT: movd %xmm0, %eax -; CHECK-NEXT: movd %xmm1, %ecx -; CHECK-NEXT: andl %eax, %ecx -; CHECK-NEXT: movd %ecx, %xmm0 +; CHECK-NEXT: andps %xmm1, %xmm0 ; CHECK-NEXT: retq %bc1 = bitcast float %x to i32 @@ -208,10 +204,7 @@ define float @xor(float %x, float %y) { define double @doubles(double %x, double %y) { ; CHECK-LABEL: doubles: ; CHECK: # BB#0: -; CHECK-NEXT: movd %xmm0, %rax -; CHECK-NEXT: movd %xmm1, %rcx -; CHECK-NEXT: andq %rax, %rcx -; CHECK-NEXT: movd %rcx, %xmm0 +; CHECK-NEXT: andpd %xmm1, %xmm0 ; CHECK-NEXT: retq %bc1 = bitcast double %x to i64 |
