Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-reduc-mul_1.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
line wrap: on
line source
/* { dg-require-effective-target vect_int_mult } */ /* { dg-require-effective-target whole_vector_shift } */ /* Write a reduction loop to be reduced using vector shifts. */ #include "tree-vect.h" extern void abort(void); unsigned char in[16]; int main (unsigned char argc, char **argv) { unsigned char i = 0; unsigned char sum = 1; check_vect (); for (i = 0; i < 16; i++) in[i] = i + i + 1; /* Prevent constant propagation of the entire loop below. */ asm volatile ("" : : : "memory"); for (i = 0; i < 16; i++) sum *= in[i]; if (sum != 33) { __builtin_printf("Failed %d\n", sum); abort(); } return 0; } /* { dg-final { scan-tree-dump "Reduce using vector shifts" "vect" } } */