Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-i4.c @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-i4.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,74 @@ +/* { dg-require-effective-target vect_int } */ + +#include <stdarg.h> +#include "tree-vect.h" + +#define N 128 + +typedef struct { + unsigned short a; + unsigned short b; + unsigned short c; + unsigned short d; +} s; + +volatile int y = 0; + +__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; + arr[i].c = 17; + arr[i].d = i+34; + if (y) /* Avoid vectorization. */ + abort (); + } + + for (i = 0; i < N; i++) + { + unsigned short x, y, z, w; + x = ptr->b - ptr->a; + y = ptr->d - ptr->c; + res[i].c = x + y; + z = ptr->a + ptr->c; + w = ptr->b + ptr->d; + res[i].a = z + w; + res[i].d = x + y; + res[i].b = x + y; + ptr++; + } + + /* check results: */ + for (i = 0; i < N; i++) + { + if (res[i].c != arr[i].b - arr[i].a + arr[i].d - arr[i].c + || res[i].a != arr[i].a + arr[i].c + arr[i].b + arr[i].d + || res[i].d != arr[i].b - arr[i].a + arr[i].d - arr[i].c + || res[i].b != arr[i].b - arr[i].a + arr[i].d - arr[i].c) + 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_strided4 } } } */ +