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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-reduc-dot-s16a.c] - Rev 867
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/* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" #define N 64 #define DOT 43680 signed short X[N] __attribute__ ((__aligned__(16))); signed short Y[N] __attribute__ ((__aligned__(16))); /* short->int->int dot product. Detected as a dot-product pattern. Vectorized on targets that support dot-product for signed shorts. */ int foo (int len) { int i; int result = 0; for (i = 0; i < len; i++) { result += (X[i] * Y[i]); } return result; } int main (void) { int i; int dot; check_vect (); for (i = 0; i < N; i++) { X[i] = i; Y[i] = N - i; } dot = foo (N); if (dot != DOT) abort (); return 0; } /* { dg-final { scan-tree-dump-times "vect_recog_dot_prod_pattern: detected" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_sdot_hi } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */
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