Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-105.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 | 1830386684a0 |
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/* { dg-require-effective-target vect_int } */ #include <stdlib.h> #include <stdarg.h> #include "tree-vect.h" #define N 4 struct extraction { int a[N][N]; int b[N][N]; }; static int a[N][N] = {{1,2,3,11},{4,5,6,12},{7,8,9,13},{34,45,67,83}}; static int b[N][N] = {{17,28,15,23},{0,2,3,24},{4,31,82,25},{29,31,432,256}}; static int c[N][N] = {{1,2,3,11},{4,9,13,34},{45,67,83,13},{34,45,67,83}}; __attribute__ ((noinline)) int main1 (int x) { int i,j; struct extraction *p; p = (struct extraction *) malloc (sizeof (struct extraction)); for (i = 0; i < N; i++) { for (j = 0; j < N; j++) { p->a[i][j] = a[i][j]; p->b[i][j] = b[i][j]; asm volatile ("" ::: "memory"); } } /* Vectorizable: distance > number of iterations. */ for (i = 1; i < N; i++) { #pragma GCC unroll 0 for (j = 0; j < N; j++) { *((int *)p + x + i + j) = *((int *)p + x + i + j + 5); } } /* check results: */ for (i = 0; i < N; i++) { for (j = 0; j < N; j++) { if (p->a[i][j] != c[i][j]) abort(); } } return 0; } int main (void) { check_vect (); return main1 (N); } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 2 "vect" { target { vect_no_align && { ! vect_hw_misalign } } } } } */ /* { dg-final { scan-tree-dump-times "possible dependence between data-refs" 0 "vect" } } */