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fix thinko 

llvm-svn: 27935
This commit is contained in:
Chris Lattner 2006-04-21 21:05:22 +00:00
parent e1f9ab7d53
commit 3e62d4b289
1 changed files with 2 additions and 2 deletions
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4
llvm/lib/Target/X86/README.txt
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@ -1068,8 +1068,8 @@ xorps %xmm0, %xmm0
movss %xmm1, %xmm0 movss %xmm1, %xmm0
ret ret
Because mulss multiplies 0*0 = 0.0, the top elements of xmm1 are already zerod. Because mulss doesn't modify the top 3 elements, the top elements of
We could compile this to: xmm1 are already zero'd. We could compile this to:
movss 4(%esp), %xmm0 movss 4(%esp), %xmm0
mulss %xmm0, %xmm0 mulss %xmm0, %xmm0