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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-reduc-dot-s8c.c] - Rev 298
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/* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" #define N 64 #define DOT3 43680 signed char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); signed char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); /* char->int->int dot product. Not detected as a dot-product pattern. */ __attribute__ ((noinline)) int foo3(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, dot3; check_vect (); for (i=0; i<N; i++) { X[i] = i; Y[i] = 64-i; __asm__ volatile (""); } dot3 = foo3 (N); if (dot3 != DOT3) abort (); return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_unpack } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */