diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/no-vfa-vect-53.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/vect/no-vfa-vect-53.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-53.c b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-53.c new file mode 100644 index 000000000..28deeaeac --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-53.c @@ -0,0 +1,63 @@ +/* { dg-require-effective-target vect_float } */ + +#include <stdarg.h> +#include "tree-vect.h" + +#define N 256 + +__attribute__ ((noinline)) +void bar (const float *pa, const float *pb, const float *pc) +{ + int i; + + /* check results: */ + for (i = 0; i < N; i++) + { + if (pa[i] != (pb[i] * pc[i])) + abort (); + } + + return; +} + +/* Unaligned pointer read accesses, aligned pointer write access. + The loop bound is unknown. + Can't prove that the pointers don't alias. + vect-49.c is similar to this one with one difference: + the loop bound is known. + vect-52.c is similar to this one with one difference: + aliasing is not a problem. */ + +__attribute__ ((noinline)) int +main1 (int n, float *pb, float *pc) +{ + float pa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); + int i; + + for (i = 0; i < n; i++) + { + pa[i] = pb[i] * pc[i]; + } + + bar (pa,pb,pc); + + return 0; +} + +int main (void) +{ + int i; + float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); + float b[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60}; + float c[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}; + + check_vect (); + + main1 (N,&b[1],c); + main1 (N,&b[1],&c[1]); + + return 0; +} + +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ |