/* { 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" } } */ /* { dg-final { cleanup-rtl-dump "loop2_unroll" } } */