Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/bb-slp-24.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" #define A 3 #define N 256 short src[N], dst[N]; void foo (short * __restrict__ dst, short * __restrict__ src, int h, int stride) { int i; h /= 8; for (i = 0; i < h; i++) { dst[0] += A*src[0]; dst[1] += A*src[1]; dst[2] += A*src[2]; dst[3] += A*src[3]; dst[4] += A*src[4]; dst[5] += A*src[5]; dst[6] += A*src[6]; dst[7] += A*src[7]; dst += stride; src += stride; asm volatile ("" ::: "memory"); } } int main (void) { int i; check_vect (); for (i = 0; i < N; i++) { dst[i] = 0; src[i] = i; } foo (dst, src, N, 8); for (i = 0; i < N; i++) { if (dst[i] != A * i) abort (); } return 0; } /* Exclude POWER8 (only POWER cpu for which vect_element_align is true) because loops have vectorized before SLP gets a shot. */ /* { dg-final { scan-tree-dump-times "basic block vectorized" 1 "slp1" { target { vect_element_align && { ! powerpc*-*-* } } } } } */