Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/vect/pr49038.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-require-effective-target mmap } */ #include <sys/mman.h> #include <stdio.h> #include "tree-vect.h" #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; check_vect (); 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; }