Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-reduc-pattern-2c.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
line wrap: on
line source
/* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" #define N 16 signed char data_ch[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; signed short shortsum = 0; /* widenning sum: sum chars into short. The widening-summation pattern is currently not detected because of this patch: 2005-12-26 Kazu Hirata <kazu@codesourcery.com> PR tree-optimization/25125 */ for (i = 0; i < N; i++) { shortsum += data_ch[i]; } /* check results: */ if (shortsum != 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" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { target { ! vect_widen_sum_qi_to_hi } } } } */