Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-double-reduc-6-big-array.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-require-effective-target vect_int_mult } */ #include <stdarg.h> #include "tree-vect.h" #define K 16 int in[2*K][K] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); int out[K]; int check_result[K]; __attribute__ ((noinline)) void foo () { int sum; int i, j, k; for (k = 0; k < K; k++) { sum = 1; for (j = 0; j < K; j++) for (i = 0; i < K; i++) { sum *= in[i+k][j]; asm volatile ("" ::: "memory"); } check_result[k] = sum; } for (k = 0; k < K; k++) { sum = 1; for (j = 0; j < K; j++) for (i = 0; i < K; i++) sum *= in[i+k][j]; out[k] = sum; } } int main () { int i, j, k; check_vect (); for (i = 0; i < 2*K; i++) for (j = 0; j < K; j++) in[i][j] = (i+2)/3; foo (); for (k = 0; k < K; k++) if (out[k] != check_result[k]) abort (); return 0; } /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */