Mercurial > hg > CbC > CbC_gcc
diff 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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--- a/gcc/testsuite/gcc.dg/vect/vect-over-widen-2-big-array.c Fri Oct 27 22:46:09 2017 +0900 +++ b/gcc/testsuite/gcc.dg/vect/vect-over-widen-2-big-array.c Thu Oct 25 07:37:49 2018 +0900 @@ -57,7 +57,12 @@ return 0; } -/* Final value stays in int, so no over-widening is detected at the moment. */ -/* { dg-final { scan-tree-dump-times "vect_recog_over_widening_pattern: detected" 0 "vect" } } */ +/* This is an over-widening even though the final result is still an int. + It's better to do one vector of ops on chars and then widen than to + widen and then do 4 vectors of ops on ints. */ +/* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* << 3} "vect" } } */ +/* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* >> 3} "vect" } } */ +/* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* << 8} "vect" } } */ +/* { dg-final { scan-tree-dump {vect_recog_over_widening_pattern: detected:[^\n]* >> 5} "vect" } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */