| /* { dg-do compile } */ |
| /* { dg-options "-Ofast -fdump-tree-recip" } */ |
| /* { dg-additional-options "-fcompare-debug" { target { ! powerpc-ibm-aix* } } } */ |
| |
| double res, res2, tmp; |
| void |
| foo (double a, double b) |
| { |
| tmp = 1.0 / __builtin_sqrt (a); |
| res = tmp * tmp; |
| res2 = a * tmp; |
| } |
| |
| /* { dg-final { scan-tree-dump "Optimizing reciprocal sqrt multiplications" "recip" } } */ |
| /* { dg-final { scan-tree-dump "Replacing squaring multiplication" "recip" } } */ |
| /* { dg-final { scan-tree-dump "Replacing original division" "recip" } } */ |
