| /* { dg-do compile } */ |
| /* { dg-options "-O1 -ftree-loop-ivcanon -funroll-loops -fdump-tree-ivcanon-details -fdump-tree-cunroll-details -fdump-tree-vars" } */ |
| |
| /* On 31-bit S/390 the function address will be stored (once) in the literal pool, |
| so scan-assembler-times "foo" will return 1 even if the loop is fully unrolled. |
| -msmall-exec avoids this by enabling a call instruction with immediate operand. */ |
| /* { dg-options "-O1 -ftree-loop-ivcanon -funroll-loops -fdump-tree-ivcanon-details -fdump-tree-cunroll-details -fdump-tree-vars -msmall-exec" { target s390-*-* } } */ |
| |
| /* On Darwin, we call extern functions via a stub in PIC mode which is default and |
| the stub is named after the function. To avoid this we use -static to go out |
| of PIC mode. */ |
| /* { dg-options "-O1 -ftree-loop-ivcanon -funroll-loops -fdump-tree-ivcanon-details -fdump-tree-cunroll-details -fdump-tree-vars -static" { target *-*-darwin* } } */ |
| |
| void xxx(void) |
| { |
| int x = 45; |
| |
| while (x >>= 1) |
| foo (); |
| } |
| |
| /* We should be able to find out that the loop iterates four times and unroll it completely. */ |
| |
| /* { dg-final { scan-tree-dump-times "Added canonical iv to loop 1, 4 iterations" 1 "ivcanon"} } */ |
| /* { dg-final { scan-tree-dump-times "Unrolled loop 1 completely" 1 "cunroll"} } */ |
| /* { dg-final { scan-tree-dump-times "foo" 5 "vars"} } */ |
| |
| /* Because hppa and ia64 targets include an external declaration for foo as |
| well as the calls we need to look for something more specific then just |
| foo in order to count only the calls and not the declaration. */ |
| |
| /* { dg-final { scan-assembler-times "foo" 5 { xfail hppa*-*-* ia64*-*-* } } } */ |
| /* { dg-final { scan-assembler-times "foo,%r" 5 { target hppa*-*-* } } } */ |
| /* { dg-final { scan-assembler-times "= foo" 5 { target ia64*-*-* } } } */ |
| |
| |
