diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/vect-48.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/vect-48.c | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/vect-48.c b/gcc/testsuite/gcc.dg/vect/vect-48.c index e2199d028a6..38135d952fd 100644 --- a/gcc/testsuite/gcc.dg/vect/vect-48.c +++ b/gcc/testsuite/gcc.dg/vect/vect-48.c @@ -5,49 +5,47 @@ #define N 256 -typedef float afloat __attribute__ ((__aligned__(16))); +/* Unaligned pointer read accesses, aligned write access. + The loop bound is known and divisible by the vectorization factor. + No aliasing problems. + vect-56.c is similar to this one with one difference: + the alignment of the read accesses is known. + vect-52.c is similar to this one with one difference: + the loop bound is unknown. + vect-49.c is similar to this one with one difference: + aliasing is a problem. */ -void bar (float *pa, float *pb, float *pc) +int +main1 (float *pb, float *pc) { + float pa[N] __attribute__ ((__aligned__(16))); int i; - /* check results: */ for (i = 0; i < N; i++) { - if (pa[i] != (pb[i] * pc[i])) - abort (); + pa[i] = pb[i] * pc[i]; } - return; -} - - -int -main1 (afloat * __restrict__ pa, float * __restrict__ pb, float * __restrict__ pc) -{ - int i; - + /* check results: */ for (i = 0; i < N; i++) { - pa[i] = pb[i] * pc[i]; + if (pa[i] != (pb[i] * pc[i])) + abort (); } - bar (pa,pb,pc); - return 0; } int main (void) { int i; - float a[N] __attribute__ ((__aligned__(16))); float b[N+1] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60}; float c[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19}; check_vect (); - main1 (a,b,c); - main1 (a,&b[1],c); + main1 (b,c); + main1 (&b[1],c); return 0; } |