Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/vect-strided-a-u8-i2-gap.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-require-effective-target vect_int } */ #include <stdarg.h> #include "tree-vect.h" #define N 64 typedef struct { unsigned char a; unsigned char b; } s; __attribute__ ((noinline)) int main1 () { s arr[N]; s *ptr = arr; s res[N]; int i; for (i = 0; i < N; i++) { arr[i].a = i; arr[i].b = i * 2; asm volatile ("" ::: "memory"); } for (i = 0; i < N; i++) { res[i].a = ptr->a; res[i].b = ptr->a; ptr++; } /* check results: */ for (i = 0; i < N; i++) { if (res[i].a != arr[i].a || res[i].b != arr[i].a) abort (); } ptr = arr; /* gap in store, use strided stores */ for (i = 0; i < N; i++) { res[i].a = ptr->b; ptr++; } /* check results: */ for (i = 0; i < N; i++) { if (res[i].a != arr[i].b) abort (); } return 0; } int main (void) { check_vect (); main1 (); return 0; } /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_strided2 && { ! vect_hw_misalign } } } } } */ /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { target { vect_strided2 && vect_hw_misalign } } } } */