Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/vect/vect-reduc-pattern-1a.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-pattern-1a.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,39 @@ +/* { dg-require-effective-target vect_int } */ + +#include <stdarg.h> +#include "tree-vect.h" + +#define N 16 +unsigned short udata_sh[N] = + { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28 }; +#define SUM 210 + +__attribute__ ((noinline)) int +foo () +{ + int i; + unsigned int intsum = 0; + + /* widenning sum: sum shorts into int. */ + for (i = 0; i < N; i++) + { + intsum += udata_sh[i]; + } + + /* check results: */ + if (intsum != SUM) + abort (); + + return 0; +} + +int +main (void) +{ + check_vect (); + return foo (); +} + +/* { dg-final { scan-tree-dump-times "vect_recog_widen_sum_pattern: detected" 1 "vect" } } */ +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_widen_sum_hi_to_si } } } */ +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { target { ! vect_widen_sum_hi_to_si } } } } */