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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-43.c] - Rev 12
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/* { dg-require-effective-target vect_float } */ #include <stdarg.h> #include "tree-vect.h" #define N 256 void bar (float *pa, float *pb, float *pc) { int i; /* check results: */ for (i = 0; i < N; i++) { if (pa[i] != (pb[i] * pc[i])) abort (); } return; } int main1 (float *pa) { int i; float pb[N] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57}; float pc[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19}; /* Not vectorizable: pa may alias pb and/or pc, since their addresses escape. */ for (i = 0; i < N; i++) { pa[i] = pb[i] * pc[i]; } bar (pa,pb,pc); return 0; } int main2 (float * pa) { int i; float pb[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57}; float pc[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19}; /* Vectorizable: pb and pc addresses do not escape. */ for (i = 0; i < N; i++) { pa[i] = pb[i] * pc[i]; } /* check results: */ for (i = 0; i < N; i++) { if (pa[i] != (pb[i] * pc[i])) abort (); } return 0; } int main (void) { int i; float a[N] __attribute__ ((__aligned__(16))); check_vect (); main1 (a); main2 (a); return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_align } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */