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Add a note about x86 register coallescing

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26920 91177308-0d34-0410-b5e6-96231b3b80d8
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Evan Cheng 2006-03-21 07:12:57 +00:00
parent 82521dd838
commit 50a6d8c835
1 changed files with 2 additions and 0 deletions
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lib/Target/X86/README.txt
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@ -644,3 +644,5 @@ void minf(float a, float b, float *X) {
//===---------------------------------------------------------------------===//
Teach the coallescer to coales vregs of different register classes. e.g. FR32 /
FR64 to VR128.