Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/slp-widen-mult-half.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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/* { dg-require-effective-target vect_int } */ #include "tree-vect.h" #define N 32 #define COEF 32470 #define COEF2 324700 unsigned char in[N]; int out[N]; int out2[N]; __attribute__ ((noinline)) void foo () { int i; for (i = 0; i < N/2; i++) { out[2*i] = in[2*i] * COEF; out2[2*i] = in[2*i] + COEF2; out[2*i+1] = in[2*i+1] * COEF; out2[2*i+1] = in[2*i+1] + COEF2; } } int main (void) { int i; check_vect (); for (i = 0; i < N; i++) { in[i] = i; __asm__ volatile (""); } foo (); for (i = 0; i < N; i++) if (out[i] != in[i] * COEF || out2[i] != in[i] + COEF2) abort (); return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_widen_mult_hi_to_si } } } */ /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" { target vect_widen_mult_hi_to_si } } } */ /* { dg-final { scan-tree-dump-times "vect_recog_widen_mult_pattern: detected" 2 "vect" { target vect_widen_mult_hi_to_si_pattern } } } */ /* { dg-final { scan-tree-dump-times "pattern recognized" 2 "vect" { target vect_widen_mult_hi_to_si_pattern } } } */