Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-outer-4m-big-array.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
line wrap: on
line source
/* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" #define N 320 #define M 1024 unsigned short in[N+M]; unsigned int out[N]; /* Outer-loop vectorization. */ /* Not vectorized due to multiple-types in the inner-loop. */ __attribute__ ((noinline)) unsigned int foo (){ int i,j; unsigned int diff; unsigned int s=0; for (i = 0; i < N; i++) { diff = 0; for (j = 0; j < M; j+=8) { diff += in[j+i]; } s+=((unsigned short)diff>>3); } return s; } int main (void) { int i, j; unsigned int diff; unsigned int s=0,sum=0; check_vect (); for (i = 0; i < N+M; i++) { in[i] = i; } sum=foo (); for (i = 0; i < N; i++) { diff = 0; for (j = 0; j < M; j+=8) { diff += in[j+i]; } s += ((unsigned short)diff>>3); } if (s != sum) abort (); return 0; } /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { xfail *-*-* } } } */