------- Comment #2 from hjl dot tools at gmail dot com 2010-06-24 22:43 -------
Created an attachment (id=20999)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20999&action=view)
A patch
With this patch, I got
[...@gnu-6 divb]$ cat umod-4.c
int
foo (unsigned char x, unsigned char y)
{
return (x % y) != 0;
}
[...@gnu-6 divb]$ make umod-4.s
/export/build/gnu/gcc/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc/build-x86_64-linux/gcc/ -Os -S umod-4.c
[...@gnu-6 divb]$ cat umod-4.s
.file "umod-4.c"
.text
.globl foo
.type foo, @function
foo:
.LFB0:
.cfi_startproc
movzbl %dil, %eax
divb %sil
testw $-256, %ax
setne %al
movzbl %al, %eax
ret
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44659
