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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2012-12-25 13:09:08 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2012-12-25 13:09:08 +0000 |
| commit | 81b5a8fd2ebe357edef180e0a4da986773c24df4 (patch) | |
| tree | 5a3bc18b0b12710d2f2f3781fff90f96fb3f5fc4 /llvm/test/CodeGen/X86/vec_compare.ll | |
| parent | df4af41b9b734e9fdf0453ab092013199b4ad4e0 (diff) | |
| download | bcm5719-llvm-81b5a8fd2ebe357edef180e0a4da986773c24df4.tar.gz bcm5719-llvm-81b5a8fd2ebe357edef180e0a4da986773c24df4.zip | |
X86: Shave off one shuffle from the pcmpeqq sequence for SSE2 by making use of and commutativity.
llvm-svn: 171064
Diffstat (limited to 'llvm/test/CodeGen/X86/vec_compare.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/vec_compare.ll | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/llvm/test/CodeGen/X86/vec_compare.ll b/llvm/test/CodeGen/X86/vec_compare.ll index cf86c737c73..b6d91a3f770 100644 --- a/llvm/test/CodeGen/X86/vec_compare.ll +++ b/llvm/test/CodeGen/X86/vec_compare.ll @@ -45,8 +45,7 @@ define <4 x i32> @test4(<4 x i32> %A, <4 x i32> %B) nounwind { define <2 x i64> @test5(<2 x i64> %A, <2 x i64> %B) nounwind { ; CHECK: test5: ; CHECK: pcmpeqd -; CHECK: pshufd $-11 -; CHECK: pshufd $-96 +; CHECK: pshufd $-79 ; CHECK: pand ; CHECK: ret %C = icmp eq <2 x i64> %A, %B @@ -57,8 +56,7 @@ define <2 x i64> @test5(<2 x i64> %A, <2 x i64> %B) nounwind { define <2 x i64> @test6(<2 x i64> %A, <2 x i64> %B) nounwind { ; CHECK: test6: ; CHECK: pcmpeqd -; CHECK: pshufd $-11 -; CHECK: pshufd $-96 +; CHECK: pshufd $-79 ; CHECK: pand ; CHECK: pcmpeqd ; CHECK: pxor |
