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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [no-scevccp-outer-7.c] - Rev 298
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/* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" #define N 16 unsigned short in[N]; unsigned short coef[N]; unsigned short a[N]; __attribute__ ((noinline)) unsigned int foo (short scale){ int i; unsigned short j; unsigned int sum = 0; unsigned short sum_j; for (i = 0; i < N; i++) { sum_j = 0; for (j = 0; j < N; j++) { sum_j += j; } a[i] = sum_j; sum += ((unsigned int) in[i] * (unsigned int) coef[i]) >> scale; } return sum; } unsigned short bar (void) { unsigned short j; unsigned short sum_j; sum_j = 0; for (j = 0; j < N; j++) { sum_j += j; } return sum_j; } int main (void) { int i; unsigned short j, sum_j; unsigned int sum = 0; unsigned int res; check_vect (); for (i=0; i<N; i++){ in[i] = 2*i; coef[i] = i; } res = foo (2); /* check results: */ for (i=0; i<N; i++) { if (a[i] != bar ()) abort (); sum += ((unsigned int) in[i] * (unsigned int) coef[i]) >> 2; } if (res != sum) abort (); return 0; } /* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED." 1 "vect" { target vect_widen_mult_hi_to_si } } } */ /* { dg-final { scan-tree-dump-times "vect_recog_widen_mult_pattern: detected" 1 "vect" } } */ /* { dg-final { cleanup-tree-dump "vect" } } */