PR middle-end/77357 - strlen of constant strings not folded
[official-gcc.git] / gcc / testsuite / gcc.dg / vect / vect-56.c
blob8060b05e7812941044990d6062f16036e9cbc4dd
1 /* { dg-require-effective-target vect_float } */
3 #include <stdarg.h>
4 #include "tree-vect.h"
6 #define N 256
8 __attribute__ ((noinline))
9 void bar (float *pa, float *pb, float *pc)
11 int i;
13 /* check results: */
14 for (i = 0; i < N/2; i++)
16 if (pa[i] != (pb[i+1] * pc[i+1]))
17 abort ();
20 return;
23 /* Unaligned pointer read accesses, aligned write access.
24 The loop bound is known and divisible by the vectorization factor.
25 No aliasing problems.
26 vect-48.c is similar to this one with one difference:
27 the alignment of the read accesses is unknown.
28 vect-60.c is similar to this one with one difference:
29 the loop bound is unknown.
30 vect-57.c is similar to this one with two differences:
31 aliasing is a problem, and the write access has unknown alignment. */
33 float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
34 float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
36 __attribute__ ((noinline)) int
37 main1 ()
39 int i;
40 float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
41 float *pa = a;
42 float *pb = b;
43 float *pc = c;
45 for (i = 0; i < N/2; i++)
47 pa[i] = pb[i+1] * pc[i+1];
50 /* check results: */
51 for (i = 0; i < N/2; i++)
53 if (pa[i] != (pb[i+1] * pc[i+1]))
54 abort ();
57 return 0;
60 int main (void)
62 int i;
64 check_vect ();
65 main1 ();
67 return 0;
70 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail { vect_no_align && { ! vect_hw_misalign } } } } } */
71 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { target { ! vect_element_align } xfail { ! vect_unaligned_possible } } } } */
72 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 1 "vect" { target { vect_element_align } xfail { ! vect_unaligned_possible } } } } */
73 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" { target { { ! vect_element_align } || vect_element_align_preferred} } } } */
74 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { target { vect_element_align && { ! vect_element_align_preferred } } } } } */