| /* { dg-do compile } */ |
| /* { dg-options "-O3 -fdump-rtl-loop2_unroll -funroll-loops" } */ |
| /* { dg-require-effective-target int32plus } */ |
| |
| void abort (void); |
| int *a; |
| /* Fails on MIPS16 because equality checks are implemented using XOR. |
| It's unlikely MIPS16 users would want unrolling anyway. */ |
| #ifdef __mips |
| __attribute__((nomips16)) |
| #endif |
| int t() |
| { |
| int i; |
| for (i=0;i<1000000;i++) |
| if (a[i]) |
| return 1; |
| return 0; |
| } |
| #ifdef __mips |
| __attribute__((nomips16)) |
| #endif |
| int t2() |
| { |
| int i; |
| for (i=0;i<3000000;i++) |
| if (a[i]) |
| abort (); |
| return 0; |
| } |
| /* { dg-final { scan-rtl-dump-times " upper bound: 999999" 1 "loop2_unroll" } } */ |
| /* { dg-final { scan-rtl-dump-not "realistic bound: 999999" "loop2_unroll" } } */ |
| /* { dg-final { scan-rtl-dump-times " upper bound: 2999999" 1 "loop2_unroll" } } */ |
| /* { dg-final { scan-rtl-dump-times "realistic bound: 2999999" 1 "loop2_unroll" } } */ |
