/* This testcase caused ICE in do_SUBST on IA-32, because 0xf6 constant | |
was not sign-extended for QImode. */ | |
/* { dg-do run } */ | |
/* { dg-options "-O2" } */ | |
/* { dg-options "-O2 -mtune=i686" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */ | |
#include <limits.h> | |
void abort (void); | |
void exit (int); | |
void foo (void) | |
{ | |
int i; | |
char *p; | |
p = (char *) &i; | |
*p = -10; | |
if (* (unsigned char *) p != 0x100 - 10) | |
abort (); | |
} | |
int main (void) | |
{ | |
if (UCHAR_MAX == 255) | |
foo (); | |
exit (0); | |
} |