| 1 |
149 |
jeremybenn |
/* { dg-do compile } */
|
| 2 |
|
|
/* { dg-options "-O1 -ftree-loop-ivcanon -funroll-loops -fdump-tree-ivcanon-details -fdump-tree-cunroll-details -fdump-tree-optimized" } */
|
| 3 |
|
|
|
| 4 |
|
|
/* On 31-bit S/390 the function address will be stored (once) in the literal pool,
|
| 5 |
|
|
so scan-assembler-times "foo" will return 1 even if the loop is fully unrolled.
|
| 6 |
|
|
-msmall-exec avoids this by enabling a call instruction with immediate operand. */
|
| 7 |
|
|
/* { dg-options "-O1 -ftree-loop-ivcanon -funroll-loops -fdump-tree-ivcanon-details -fdump-tree-cunroll-details -fdump-tree-optimized -msmall-exec" { target s390-*-* } } */
|
| 8 |
|
|
|
| 9 |
|
|
/* On Darwin, we call extern functions via a stub in PIC mode which is default and
|
| 10 |
|
|
the stub is named after the function. To avoid this we use -static to go out
|
| 11 |
|
|
of PIC mode. */
|
| 12 |
|
|
/* { dg-options "-O1 -ftree-loop-ivcanon -funroll-loops -fdump-tree-ivcanon-details -fdump-tree-cunroll-details -fdump-tree-optimized -static" { target *-*-darwin* } } */
|
| 13 |
|
|
|
| 14 |
|
|
void xxx(void)
|
| 15 |
|
|
{
|
| 16 |
|
|
int x = 45;
|
| 17 |
|
|
|
| 18 |
|
|
while (x >>= 1)
|
| 19 |
|
|
foo ();
|
| 20 |
|
|
}
|
| 21 |
|
|
|
| 22 |
|
|
/* We should be able to find out that the loop iterates four times and unroll it completely. */
|
| 23 |
|
|
|
| 24 |
|
|
/* { dg-final { scan-tree-dump-times "Added canonical iv to loop 1, 4 iterations" 1 "ivcanon"} } */
|
| 25 |
|
|
/* { dg-final { cleanup-tree-dump "ivcanon" } } */
|
| 26 |
|
|
/* { dg-final { scan-tree-dump-times "Unrolled loop 1 completely" 1 "cunroll"} } */
|
| 27 |
|
|
/* { dg-final { cleanup-tree-dump "cunroll" } } */
|
| 28 |
|
|
/* { dg-final { scan-tree-dump-times "foo" 5 "optimized"} } */
|
| 29 |
|
|
/* { dg-final { cleanup-tree-dump "optimized" } } */
|
| 30 |
|
|
|
| 31 |
|
|
/* Because hppa and ia64 targets include an external declaration for foo as
|
| 32 |
|
|
well as the calls we need to look for something more specific then just
|
| 33 |
|
|
foo in order to count only the calls and not the declaration. */
|
| 34 |
|
|
/* The SH targets always use separate instructions to load the address
|
| 35 |
|
|
and to do the actual call - bsr is only generated by link time
|
| 36 |
|
|
relaxation. */
|
| 37 |
|
|
/* CRIS keeps the address in a register. */
|
| 38 |
|
|
/* m68k sometimes puts the address in a register, depending on CPU and PIC. */
|
| 39 |
|
|
|
| 40 |
|
|
/* { dg-final { scan-assembler-times "foo" 5 { xfail hppa*-*-* ia64*-*-* sh*-*-* cris-*-* m68k-*-* } } } */
|
| 41 |
|
|
/* { dg-final { scan-assembler-times "foo,%r" 5 { target hppa*-*-* } } } */
|
| 42 |
|
|
/* { dg-final { scan-assembler-times "= foo" 5 { target ia64*-*-* } } } */
|
| 43 |
|
|
/* { dg-final { scan-assembler-times "jsr|blink\ttr?,r18" 5 { target sh*-*-* } } } */
|
| 44 |
|
|
/* { dg-final { scan-assembler-times "Jsr \\\$r" 5 { target cris-*-* } } } */
|
| 45 |
|
|
/* { dg-final { scan-assembler-times "\[jb\]sr" 5 { target m68k-*-* } } } */
|
| 46 |
|
|
|
| 47 |
|
|
|
