Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/bb-slp-29.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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/* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" #define A 3 #define B 4 #define N 256 short src[N], dst[N]; void foo (short * __restrict__ dst, short * __restrict__ src, int h, int stride, int dummy) { int i; h /= 16; for (i = 0; i < h; i++) { dst[0] = A*src[0] + B*src[1]; dst[1] = A*src[1] + B*src[2]; dst[2] = A*src[2] + B*src[3]; dst[3] = A*src[3] + B*src[4]; dst[4] = A*src[4] + B*src[5]; dst[5] = A*src[5] + B*src[6]; dst[6] = A*src[6] + B*src[7]; dst[7] = A*src[7] + B*src[8]; dst += stride; src += stride; if (dummy == 32) abort (); } } int main (void) { int i; check_vect (); for (i = 0; i < N; i++) { dst[i] = 0; src[i] = i; } foo (dst, src, N, 8, 0); for (i = 0; i < N/2; i++) { if (dst[i] != A * src[i] + B * src[i+1]) 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_int_mult && vect_element_align } && { ! powerpc*-*-* } } } } } */