Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-mult.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 84e7813d76e9 |
children |
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/* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" #define N 128 typedef struct { unsigned short a; unsigned short b; } s; __attribute__ ((noinline)) int main1 () { s arr[N]; s *ptr = arr; unsigned int iarr[N]; unsigned int *iptr = iarr; s res[N]; unsigned int ires[N]; int i; for (i = 0; i < N; i++) { arr[i].a = i; arr[i].b = i * 2; iarr[i] = i * 3; asm volatile ("" ::: "memory"); } for (i = 0; i < N; i++) { ires[i] = *iptr; res[i].b = ptr->b - ptr->a; res[i].a = ptr->b + ptr->a; iptr++; ptr++; } /* check results: */ for (i = 0; i < N; i++) { if (res[i].b != arr[i].b - arr[i].a || ires[i] != iarr[i] || res[i].a != arr[i].b + arr[i].a) abort (); } return 0; } int main (void) { int i; check_vect (); main1 (); return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided2 } } } */