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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 | a048c83fe476e47bd549d70f423e1949a520f7af (patch) | |
| tree | f77e6756fe59890824ef9aec93e0b43cf256aa0b /llvm/test/CodeGen/X86/tlv-1.ll | |
| parent | 2cd32a025139abd759ca51e970c8ad10310e2137 (diff) | |
| download | bcm5719-llvm-a048c83fe476e47bd549d70f423e1949a520f7af.tar.gz bcm5719-llvm-a048c83fe476e47bd549d70f423e1949a520f7af.zip | |
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.
llvm-svn: 123015
Diffstat (limited to 'llvm/test/CodeGen/X86/tlv-1.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/tlv-1.ll | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/llvm/test/CodeGen/X86/tlv-1.ll b/llvm/test/CodeGen/X86/tlv-1.ll index f9be15d1a95..42940f147ed 100644 --- a/llvm/test/CodeGen/X86/tlv-1.ll +++ b/llvm/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 |
