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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28356 91177308-0d34-0410-b5e6-96231b3b80d8
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Evan Cheng 2006-05-17 19:05:31 +00:00
parent 9d62fa4d16
commit 4dfa85d1df
1 changed files with 12 additions and 0 deletions
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12
lib/Target/X86/README.txt
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@ -1171,3 +1171,15 @@ _test:
ret ret
or use pxor (to make a zero vector) and shuffle (to insert it). or use pxor (to make a zero vector) and shuffle (to insert it).
//===---------------------------------------------------------------------===//
Bad codegen:
char foo(int x) { return x; }
_foo:
movl 4(%esp), %eax
shll $24, %eax
sarl $24, %eax
ret