Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-widen-mult-half-u8.c @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 1830386684a0 |
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/* { dg-require-effective-target vect_int } */ /* { dg-additional-options "-fno-ipa-icf" } */ #include "tree-vect.h" #define N 32 #define COEF 32470 unsigned char in[N]; int out[N]; __attribute__ ((noinline)) void foo () { int i; for (i = 0; i < N; i++) out[i] = in[i] * COEF; } __attribute__ ((noinline)) void bar () { int i; for (i = 0; i < N; i++) out[i] = COEF * in[i]; } 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) abort (); bar (); for (i = 0; i < N; i++) if (out[i] != in[i] * COEF) abort (); return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 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 } } } */