| /* { dg-options "-O2" } */ | |
| /* { dg-do run } */ | |
| #if defined __i386__ | |
| #define REG "edi" | |
| #else | |
| #define REG "r14" | |
| #endif | |
| register unsigned long *ds asm(REG); | |
| extern void abort (void); | |
| __attribute__ ((noinline)) void | |
| test (void) | |
| { | |
| *++ds = 31337; | |
| } | |
| int | |
| main () | |
| { | |
| unsigned long stack[2]; | |
| stack[0] = 0; | |
| stack[1] = 0; | |
| ds = stack; | |
| test (); | |
| if (ds != stack + 1 || *ds != 31337) | |
| abort (); | |
| return 0; | |
| } |