diff options
| -rw-r--r-- | lib/Target/X86/README.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/Target/X86/README.txt b/lib/Target/X86/README.txt index 82acb64e7a..2f844cee41 100644 --- a/lib/Target/X86/README.txt +++ b/lib/Target/X86/README.txt @@ -1171,3 +1171,15 @@ _test: ret 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 |