Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/vect/vect-over-widen-2-big-array.c @ 131:84e7813d76e9
gcc-8.2
| author | mir3636 |
|---|---|
| date | Thu, 25 Oct 2018 07:37:49 +0900 |
| parents | 04ced10e8804 |
| children |
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| 111:04ced10e8804 | 131:84e7813d76e9 |
|---|---|
| 55 foo (in, out); | 55 foo (in, out); |
| 56 | 56 |
| 57 return 0; | 57 return 0; |
| 58 } | 58 } |
| 59 | 59 |
| 60 /* Final value stays in int, so no over-widening is detected at the moment. */ | 60 /* This is an over-widening even though the final result is still an int. |
| 61 /* { dg-final { scan-tree-dump-times "vect_recog_over_widening_pattern: detected" 0 "vect" } } */ | 61 It's better to do one vector of ops on chars and then widen than to |
| 62 widen and then do 4 vectors of ops on ints. */ | |
| 63 /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* << 3} "vect" } } */ | |
| 64 /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* >> 3} "vect" } } */ | |
| 65 /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* << 8} "vect" } } */ | |
| 66 /* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* >> 5} "vect" } } */ | |
| 62 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ | 67 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ |
| 63 | 68 |