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| author | Evan Cheng <evan.cheng@apple.com> | 2011-01-07 19:35:30 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2011-01-07 19:35:30 +0000 |
| commit | a5e1362f968568d66d76ddcdcff4ab98e203a48c (patch) | |
| tree | 53e266c315432b49be8ad6f3a2d2a5873265ab53 /test/CodeGen/X86/tlv-1.ll | |
| parent | 1434f66b2e132a707e2c8ccb3350ea13fb5aa051 (diff) | |
| download | llvm-a5e1362f968568d66d76ddcdcff4ab98e203a48c.tar.gz llvm-a5e1362f968568d66d76ddcdcff4ab98e203a48c.tar.bz2 llvm-a5e1362f968568d66d76ddcdcff4ab98e203a48c.tar.xz | |
Revert r122955. It seems using movups to lower memcpy can cause massive regression (even on Nehalem) in edge cases. I also didn't see any real performance benefit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123015 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/tlv-1.ll')
| -rw-r--r-- | test/CodeGen/X86/tlv-1.ll | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/test/CodeGen/X86/tlv-1.ll b/test/CodeGen/X86/tlv-1.ll index f9be15d1a9..42940f147e 100644 --- a/test/CodeGen/X86/tlv-1.ll +++ b/test/CodeGen/X86/tlv-1.ll @@ -10,12 +10,8 @@ entry: unreachable ; CHECK: movq _c@TLVP(%rip), %rdi ; CHECK-NEXT: callq *(%rdi) - ; CHECK-NEXT: pxor %xmm0, %xmm0 - ; CHECK-NEXT: movups %xmm0, 32(%rax) - ; CHECK-NEXT: movups %xmm0, 16(%rax) - ; CHECK-NEXT: movups %xmm0, (%rax) - ; CHECK-NEXT: movl $0, 56(%rax) - ; CHECK-NEXT: movq $0, 48(%rax) + ; CHECK-NEXT: movl $0, 56(%rax) + ; CHECK-NEXT: movq $0, 48(%rax) } declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind |