URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-97.c] - Rev 801
Go to most recent revision | Compare with Previous | Blame | View Log
/* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" #define N 16 char x[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); char cb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45}; __attribute__ ((noinline)) int main1 () { struct { char *p; char *q; } s; int i; /* Check that datarefs analysis can determine that the access via pointer s.p is based off array x, which enables us to antialias this access from the access to array cb. */ s.p = x; for (i = 0; i < N; i++) { s.p[i] = cb[i]; } /* check results: */ for (i = 0; i < N; i++) { if (s.p[i] != cb[i]) abort (); } /* Check that datarefs analysis can determine that the access via pointer s.p is based off array x, and that the access via pointer s.q is based off array cb, which enables us to antialias these two accesses. */ s.q = cb; for (i = 0; i < N; i++) { s.p[i] = s.q[i]; } /* check results: */ for (i = 0; i < N; i++) { if (s.p[i] != s.q[i]) abort (); } return 0; } int main (void) { check_vect (); return main1 (); } /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */
Go to most recent revision | Compare with Previous | Blame | View Log