Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/vect/vect-strided-mult.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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/vect/vect-strided-mult.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,77 @@ +/* { 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; + +typedef struct { + unsigned int a; + unsigned int b; +} ii; + +volatile int y = 0; + +__attribute__ ((noinline)) int +main1 (s *arr, ii *iarr) +{ + s *ptr = arr; + ii *iptr = iarr; + s res[N]; + ii ires[N]; + int i; + + for (i = 0; i < N; i++) + { + ires[i].a = iptr->b - iptr->a; + ires[i].b = iptr->b + iptr->a; + 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].a != iarr[i].b - iarr[i].a + || res[i].a != arr[i].b + arr[i].a + || ires[i].b != iarr[i].b + iarr[i].a +) + abort (); + } + + return 0; +} + +int main (void) +{ + int i; + s arr[N]; + ii iarr[N]; + + check_vect (); + + for (i = 0; i < N; i++) + { + arr[i].a = i; + arr[i].b = i * 2; + iarr[i].a = i; + iarr[i].b = i * 3; + if (y) /* Avoid vectorization. */ + abort (); + } + + main1 (arr, iarr); + + return 0; +} + +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided2 } } } */ +