Fix warning with -Wsign-compare -Wsystem-headers
[official-gcc.git] / gcc / testsuite / gcc.target / powerpc / vsx-vectorize-6.c
blob587dbfff78a228a06bdfa336cf0cff9a259e469b
1 /* { dg-do compile { target { powerpc*-*-* && lp64 } } } */
2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
3 /* { dg-require-effective-target powerpc_vsx_ok } */
4 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power7" } } */
5 /* { dg-options "-mcpu=power7 -O2 -ftree-vectorize -fno-vect-cost-model -fdump-tree-vect-details" } */
7 /* Taken from vect/vect-95.c. */
8 #include <stdlib.h>
9 #include <stdarg.h>
11 #define N 256
13 __attribute__ ((noinline))
14 void bar (double *pd, double *pa, double *pb, double *pc)
16 int i;
18 /* check results: */
19 for (i = 0; i < N; i++)
21 if (pa[i] != (pb[i] * pc[i]))
22 abort ();
23 if (pd[i] != 5.0)
24 abort ();
27 return;
31 __attribute__ ((noinline)) int
32 main1 (int n, double * __restrict__ pd, double * __restrict__ pa, double * __restrict__ pb, double * __restrict__ pc)
34 int i;
36 for (i = 0; i < n; i++)
38 pa[i] = pb[i] * pc[i];
39 pd[i] = 5.0;
42 bar (pd,pa,pb,pc);
44 return 0;
47 int main (void)
49 int i;
50 double a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
51 double d[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
52 double b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
53 double c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
55 main1 (N,&d[1],a,b,c);
56 main1 (N-2,&d[1],a,b,c);
58 return 0;
61 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
62 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" {xfail { {! vect_hw_misalign } || powerpc*-*-* } } } } */
63 /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 0 "vect" } } */
64 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 4 "vect" {xfail { {! vect_hw_misalign } || powerpc*-*-* } } } } */