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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-outer-4.c] - Rev 689
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/* { dg-require-effective-target vect_float } */ #include <stdarg.h> #include "tree-vect.h" #define N 40 #define M 128 float in[N+M]; float coeff[M]; float out[N]; /* Outer-loop vectorization. */ __attribute__ ((noinline)) void foo (){ int i,j; float diff; for (i = 0; i < N; i++) { diff = 0; for (j = 0; j < M; j+=4) { diff += in[j+i]*coeff[j]; } out[i]=diff; } } int main (void) { check_vect (); int i, j; float diff; for (i = 0; i < M; i++) coeff[i] = i; for (i = 0; i < N+M; i++) in[i] = i; foo (); for (i = 0; i < N; i++) { diff = 0; for (j = 0; j < M; j+=4) { diff += in[j+i]*coeff[j]; } if (out[i] != diff) abort (); } return 0; } /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "zero step in outer loop." 1 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */