/* PR optimization/8746 */ /* { dg-do run } */ /* { dg-require-effective-target ia32 } */ /* { dg-options "-O1 -mtune=i586" } */ extern void abort (void); unsigned short r0; int foo(int x) { unsigned short r = x&0xf000; if (!(r&0x8000)) { r0 = r; return 0; } else return 1; } int main(void) { if (foo(0x8000) != 1) abort(); return 0; }