Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/fold-div-1.c @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children |
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| 68:561a7518be6b | 111:04ced10e8804 |
|---|---|
| 1 /* { dg-do compile } */ | |
| 2 /* { dg-options "-O1 -funsafe-math-optimizations -fdump-tree-gimple" } */ | |
| 3 | |
| 4 float f(float x) | |
| 5 { | |
| 6 return x/2 + x/3; | |
| 7 } | |
| 8 | |
| 9 float g(float x) | |
| 10 { | |
| 11 return 2/x + 3/x; | |
| 12 } | |
| 13 | |
| 14 float h(float x) | |
| 15 { | |
| 16 return x/2 - x/3; | |
| 17 } | |
| 18 | |
| 19 float i(float x) | |
| 20 { | |
| 21 return 2/x - 3/x; | |
| 22 } | |
| 23 | |
| 24 /* f and h should be turned into multiplications, | |
| 25 the divisions in g and i should be grouped together. */ | |
| 26 | |
| 27 /* { dg-final { scan-tree-dump-times " \\* " 2 "gimple" } } */ | |
| 28 /* { dg-final { scan-tree-dump-times " / " 2 "gimple" } } */ | |
| 29 |