| /* { dg-do compile } */ |
| /* { dg-options "-O2" } */ |
| |
| /* Test reuse of stack adjustment temporaries. */ |
| |
| void foo (); |
| |
| /* Should only use 1 mov and re-use it. */ |
| int reuse_mov (int i) |
| { |
| int arr[1025]; |
| return arr[i]; |
| } |
| |
| /* Should use 2 movs because x12 is live. */ |
| int no_reuse_mov_live (int i) |
| { |
| int arr[1025]; |
| register long long a __asm("x12"); |
| a = a+1; |
| return arr[i] + a; |
| } |
| |
| /* Should use 2 movs because its not a leaf function. */ |
| int no_reuse_mov (int i) |
| { |
| int arr[1025]; |
| foo (); |
| return arr[i]; |
| } |
| |
| /* { dg-final { scan-assembler-times "mov\tx12, \[0-9\]+" 5 } } */ |
