Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-strided-u16-i2.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 N 128 typedef struct { unsigned short a; unsigned short b; } s; volatile int y = 0; __attribute__ ((noinline)) int main1 (s *arr) { s *ptr = arr; s res[N]; int i; for (i = 0; i < N; i++) { res[i].a = ptr->b - ptr->a; res[i].b = ptr->b + ptr->a; ptr++; } /* check results: */ for (i = 0; i < N; i++) { if (res[i].a != arr[i].b - arr[i].a || res[i].b != arr[i].a + arr[i].b) abort (); } return 0; } int main (void) { int i; s arr[N]; check_vect (); for (i = 0; i < N; i++) { arr[i].a = i; arr[i].b = i * 2; if (y) /* Avoid vectorization. */ abort (); } main1 (arr); return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided2 } } } */