Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-outer-3c.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-require-effective-target vect_float } */ #include <stdarg.h> #include "tree-vect.h" #define N 40 float image[N][N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); float out[N]; /* Outer-loop vectorization. */ __attribute__ ((noinline)) void foo (){ int i,j; float diff; for (i = 0; i < N; i++) { diff = 0; for (j = 0; j < N; j+=4) { diff += image[j][i]; } out[i]=diff; } } int main (void) { check_vect (); int i, j; float diff; for (i = 0; i < N; i++) { for (j = 0; j < N; j++) { image[i][j]=i+j; } } foo (); for (i = 0; i < N; i++) { diff = 0; for (j = 0; j < N; j+=4) { diff += image[j][i]; } if (out[i] != diff) abort (); } return 0; } /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */