https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113729
Hongtao Liu <liuhongt at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |liuhongt at gcc dot gnu.org
--- Comment #1 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
At gimple level it's (int) b + 200, it's different from (int)(b +200) when
there's overflow, i.e. b = 200.
For
extern unsigned char b;
unsigned char
foo (void)
{
return 200 + b;
}
gcc already generate
sub al, BYTE PTR b[rip], 56
