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the stackifier is global!

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108626 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner
2010-07-17 17:42:04 +00:00
parent a40ce7e394
commit 89a902e1c2
1 changed files with 2 additions and 2 deletions
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4
lib/Target/X86/README-FPStack.txt
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@@ -27,8 +27,8 @@ def FpIADD32m : FpI<(ops RFP:$dst, RFP:$src1, i32mem:$src2), OneArgFPRW,
//===---------------------------------------------------------------------===// //===---------------------------------------------------------------------===//
The FP stackifier needs to be global. Also, it should handle simple permutates The FP stackifier should handle simple permutates to reduce number of shuffle
to reduce number of shuffle instructions, e.g. turning: instructions, e.g. turning:
fld P -> fld Q fld P -> fld Q
fld Q fld P fld Q fld P