Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-widen-shift-u8.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-require-effective-target vect_int } */ /* { dg-require-effective-target vect_shift } */ #include <stdarg.h> #include "tree-vect.h" #define N 64 #define C1 10 #define C2 5 __attribute__ ((noinline)) void foo (unsigned char *src, unsigned int *dst1, unsigned int *dst2) { int i; unsigned char b, *s = src; unsigned int *d1 = dst1, *d2 = dst2; for (i = 0; i < N; i++) { b = *s++; *d1 = b << C1; d1++; *d2 = b << C2; d2++; } s = src; d1 = dst1; d2 = dst2; for (i = 0; i < N; i++) { b = *s++; if (*d1 != b << C1 || *d2 != b << C2) abort (); d1++; d2++; } } int main (void) { int i; unsigned char in[N]; unsigned int out1[N]; unsigned int out2[N]; check_vect (); for (i = 0; i < N; i++) { in[i] = i; out1[i] = 255; out2[i] = 255; __asm__ volatile (""); } foo (in, out1, out2); return 0; } /* { dg-final { scan-tree-dump-times "vect_recog_widen_shift_pattern: detected" 2 "vect" { target vect_widen_shift } } } */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */