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Remove the entry about using movapd for SSE reg-reg moves.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26245 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-02-17 00:00:58 +00:00
parent 39d1761c70
commit dc8acb6420
1 changed files with 0 additions and 6 deletions
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6
lib/Target/X86/README.txt
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@ -356,12 +356,6 @@ This may just be a matter of using 'test' to write bigger patterns for X86cmp.
//===---------------------------------------------------------------------===//
Evaluate whether using movapd for SSE reg-reg moves is faster than using
movsd/movss for them. It may eliminate false partial register dependences by
writing the whole result register.
//===---------------------------------------------------------------------===//
SSE should implement 'select_cc' using 'emulated conditional moves' that use
pcmp/pand/pandn/por to do a selection instead of a conditional branch: