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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [no-vfa-vect-79.c] - Rev 298
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/* { dg-require-effective-target vect_float } */ #include <stdarg.h> #include "tree-vect.h" #define N 16 float fa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); float fb[N+4] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 7.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0}; float fc[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 7.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5}; /* Like vect-80.c but the pointers are not annotated as restricted, and therefore can't be antialiased. */ __attribute__ ((noinline)) int main1 (float *pa, float *pb, float *pc) { int i; float *q = pb + 4; for (i = 0; i < N; i++) { pa[i] = q[i] * pc[i]; } for (i = 0; i < N; i++) { if (pa[i] != q[i] * pc[i]) abort(); } return 0; } int main (void) { check_vect (); main1 (fa, fb, fc); return 0; } /* Currently the loops fail to vectorize due to aliasing problems. If/when the aliasing problems are resolved, unalignment may prevent vectorization on some targets. */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */ /* { dg-final { scan-tree-dump-times "can't determine dependence between" 1 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */