| /* { dg-do run } */ |
| /* { dg-skip-if "" { ! { arm_thumb1_ok || arm_thumb2_ok } } } */ |
| /* { dg-skip-if "r9 is reserved in FDPIC" { arm*-*-uclinuxfdpiceabi } "*" "" } */ |
| /* { dg-options "-mthumb -O2 -mtpcs-leaf-frame" } */ |
| |
| __attribute__ ((noinline, noclone)) void |
| clobber_lr_and_highregs (void) |
| { |
| __asm__ volatile ("" : : : "r8", "r9", "lr"); |
| } |
| |
| int |
| main (void) |
| { |
| int ret; |
| |
| __asm volatile ("mov\tr4, #0xf4\n\t" |
| "mov\tr5, #0xf5\n\t" |
| "mov\tr6, #0xf6\n\t" |
| "mov\tr7, #0xf7\n\t" |
| "mov\tr0, #0xf8\n\t" |
| "mov\tr8, r0\n\t" |
| "mov\tr0, #0xfa\n\t" |
| "mov\tr10, r0" |
| : : : "r0", "r4", "r5", "r6", "r7", "r8", "r10"); |
| |
| clobber_lr_and_highregs (); |
| |
| __asm volatile ("cmp\tr4, #0xf4\n\t" |
| "bne\tfail\n\t" |
| "cmp\tr5, #0xf5\n\t" |
| "bne\tfail\n\t" |
| "cmp\tr6, #0xf6\n\t" |
| "bne\tfail\n\t" |
| "cmp\tr7, #0xf7\n\t" |
| "bne\tfail\n\t" |
| "mov\tr0, r8\n\t" |
| "cmp\tr0, #0xf8\n\t" |
| "bne\tfail\n\t" |
| "mov\tr0, r10\n\t" |
| "cmp\tr0, #0xfa\n\t" |
| "bne\tfail\n\t" |
| "mov\t%0, #1\n" |
| "fail:\n\t" |
| "sub\tr0, #1" |
| : "=r" (ret) : :); |
| return ret; |
| } |