/* PR optimization/8746 */ /* { dg-do run { target i?86-*-* } } */ /* { dg-options "-O1 -mtune=i586" } */ extern void abort (void); unsigned char r0; int foo(int x) { unsigned char r = x&0xf0; if (!(r&0x80)) { r0 = r; return 0; } else return 1; } int main(void) { if (foo(0x80) != 1) abort(); return 0; }