Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-reduc-pattern-1c-big-array.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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/* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" #define N 128 unsigned char udata_ch[N]; #define SUM N*(N-1) __attribute__ ((noinline)) int foo () { int i; unsigned short shortsum = 0; for (i = 0; i < N; i++) { udata_ch[i] = i*2; asm volatile ("" ::: "memory"); } /* widenning sum: sum chars into short. */ for (i = 0; i < N; i++) { shortsum += udata_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" } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_widen_sum_qi_to_hi } } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { target { ! vect_widen_sum_qi_to_hi } } } } */