OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

* gcc.c-torture/execute/loop-2e.c: Rewrite for 64 bit and no mmap.

Browse Source 
From-SVN: r55724
This commit is contained in:
Richard Henderson 2002-07-24 15:20:34 -07:00 committed by Richard Henderson
parent 8ad8135aa4
commit eb5da24bed
2 changed files with 30 additions and 47 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,7 @@
2002-07-24 Richard Henderson <rth@redhat.com>
* gcc.c-torture/execute/loop-2e.c: Rewrite for 64 bit and no mmap.
2002-07-24 Gabriel Dos Reis <gdr@nerim.net>
* g++.dg/ext/alignof1.C (main): Return 0 for success.

73
gcc/testsuite/gcc.c-torture/execute/loop-2e.c
View File

@ -1,31 +1,4 @@
#include <limits.h>
#ifdef __unix__ /* ??? Is that good enough? */
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifndef MAP_ANON
#ifdef MAP_ANONYMOUS
#define MAP_ANON MAP_ANONYMOUS
#else
#define MAP_ANON MAP_FILE
#endif
#endif
#ifndef MAP_FILE
#define MAP_FILE 0
#endif
#ifndef MAP_FIXED
#define MAP_FIXED 0
#endif
#endif
#define MAP_START (void *)0x7fff8000
#define MAP_LEN 0x10000
#define OFFSET (MAP_LEN/2 - 2 * sizeof (int));
f (int *p, int **q)
void f (int *p, int **q)
{
int i;
for (i = 0; i < 40; i++)
@ -34,27 +7,33 @@ f (int *p, int **q)
}
}
main ()
int main ()
{
#ifdef MAP_ANON
void *p;
int *q[40];
int dev_zero;
__SIZE_TYPE__ start;
dev_zero = open ("/dev/zero", O_RDONLY);
/* -1 is OK when we have MAP_ANON; else mmap will flag an error. */
if (INT_MAX != 0x7fffffffL || sizeof (char *) != sizeof (int))
exit (0);
p = mmap (MAP_START, MAP_LEN, PROT_READ|PROT_WRITE,
MAP_ANON|MAP_FIXED|MAP_PRIVATE, dev_zero, 0);
if (p != (void *)-1)
{
p = (char *)p + OFFSET;
q[39] = 0;
f (p, q);
if (q[39] != (int *)p + 39)
abort ();
}
#endif
exit (0);
/* Find the signed middle of the address space. */
if (sizeof(start) == sizeof(int))
start = (__SIZE_TYPE__) __INT_MAX__;
else if (sizeof(start) == sizeof(long))
start = (__SIZE_TYPE__) __LONG_MAX__;
else if (sizeof(start) == sizeof(long long))
start = (__SIZE_TYPE__) __LONG_LONG_MAX__;
else
return 0;
/* Arbitrarily align the pointer. */
start &= -32;
/* Pretend that's good enough to start address arithmetic. */
p = (void *)start;
/* Verify that GIV replacement computes the correct results. */
q[39] = 0;
f (p, q);
if (q[39] != (int *)p + 39)
abort ();
return 0;
}