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clarify with test case

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30531 91177308-0d34-0410-b5e6-96231b3b80d8
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Andrew Lenharth 2006-09-20 14:48:00 +00:00
parent 0b78f3e4b4
commit 886f98e6f9
1 changed files with 13 additions and 0 deletions
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13
lib/Target/Alpha/README.txt
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@ -1,6 +1,19 @@
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Fix cmovs with a constant on the wrong side Fix cmovs with a constant on the wrong side
aka:
lda $0,10($31)
cmovlt $17,$0,$16
is bad for:
long %cmov_lt2(long %a, long %c) {
entry:
%tmp.1 = setlt long %c, 0
%retval = select bool %tmp.1, long 10, long %a
ret long %retval
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Fix Ordered/Unordered FP stuff Fix Ordered/Unordered FP stuff