| /* 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; | |
| } |