$NetBSD$ --- gcc/testsuite/gcc.dg/vect/pr49038.c.orig Wed May 21 19:48:58 2014 +++ gcc/testsuite/gcc.dg/vect/pr49038.c @@ -0,0 +1,42 @@ +#include +#include + +#define COUNT 320 +#define MMAP_SIZE 0x10000 +#define ADDRESS 0x1122000000 +#define TYPE unsigned short + +#ifndef MAP_ANONYMOUS +#define MAP_ANONYMOUS MAP_ANON +#endif + +void __attribute__((noinline)) +foo (TYPE *__restrict a, TYPE *__restrict b) +{ + int n; + + for (n = 0; n < COUNT; n++) + a[n] = b[n * 2]; +} + +int +main (void) +{ + void *x; + size_t b_offset; + + x = mmap ((void *) ADDRESS, MMAP_SIZE, PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + if (x == MAP_FAILED) + { + perror ("mmap"); + return 1; + } + + b_offset = MMAP_SIZE - (2 * COUNT - 1) * sizeof (TYPE); + foo ((unsigned short *) x, + (unsigned short *) ((char *) x + b_offset)); + return 0; +} + +/* { dg-final { cleanup-tree-dump "vect" } } */