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tree-object-size.c (addr_object_size): Fix a pasto in the last change.

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* tree-object-size.c (addr_object_size): Fix a pasto in the last
	change.

	* gcc.dg/builtin-object-size-7.c: New test.

From-SVN: r148503
This commit is contained in:
Jakub Jelinek 2009-06-15 20:48:00 +02:00 committed by Jakub Jelinek
parent 081b044b49
commit 98a129b9c4
4 changed files with 81 additions and 1 deletions
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5
gcc/ChangeLog
View File

@ -1,3 +1,8 @@
2009-06-15 Jakub Jelinek <jakub@redhat.com>
* tree-object-size.c (addr_object_size): Fix a pasto in the last
change.
2009-06-15 Rafael Avila de Espindola <espindola@google.com>
* cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2009-06-15 Jakub Jelinek <jakub@redhat.com>
* gcc.dg/builtin-object-size-7.c: New test.
2009-06-15 Jakub Jelinek <jakub@redhat.com>
PR testsuite/40426

71
gcc/testsuite/gcc.dg/builtin-object-size-7.c Normal file
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@ -0,0 +1,71 @@
/* { dg-do run } */
/* { dg-options "-O2" } */
typedef __SIZE_TYPE__ size_t;
extern void *malloc (size_t);
extern void abort (void);
struct A
{
int i, j, k;
char buf[255];
int l, m, n, o;
};
int
main (void)
{
const size_t s = sizeof (struct A);
const size_t o = __builtin_offsetof (struct A, buf);
struct A *a = malloc (s);
struct A *b = malloc (o + 212);
if (__builtin_object_size (a->buf, 0) != s - o)
abort ();
if (__builtin_object_size (a->buf, 1) != sizeof (a->buf))
abort ();
if (__builtin_object_size (a->buf, 2) != s - o)
abort ();
if (__builtin_object_size (a->buf, 3) != sizeof (a->buf))
abort ();
if (__builtin_object_size (&a->buf[0], 0) != s - o)
abort ();
if (__builtin_object_size (&a->buf[0], 1) != sizeof (a->buf))
abort ();
if (__builtin_object_size (&a->buf[0], 2) != s - o)
abort ();
if (__builtin_object_size (&a->buf[0], 3) != sizeof (a->buf))
abort ();
if (__builtin_object_size (&a->buf[6], 0) != s - o - 6)
abort ();
if (__builtin_object_size (&a->buf[6], 1) != sizeof (a->buf) - 6)
abort ();
if (__builtin_object_size (&a->buf[6], 2) != s - o - 6)
abort ();
if (__builtin_object_size (&a->buf[6], 3) != sizeof (a->buf) - 6)
abort ();
if (__builtin_object_size (b->buf, 0) != 212)
abort ();
if (__builtin_object_size (b->buf, 1) != 212)
abort ();
if (__builtin_object_size (b->buf, 2) != 212)
abort ();
if (__builtin_object_size (b->buf, 3) != 212)
abort ();
if (__builtin_object_size (&b->buf[0], 0) != 212)
abort ();
if (__builtin_object_size (&b->buf[0], 1) != 212)
abort ();
if (__builtin_object_size (&b->buf[0], 2) != 212)
abort ();
if (__builtin_object_size (&b->buf[0], 3) != 212)
abort ();
if (__builtin_object_size (&b->buf[28], 0) != 212 - 28)
abort ();
if (__builtin_object_size (&b->buf[28], 1) != 212 - 28)
abort ();
if (__builtin_object_size (&b->buf[28], 2) != 212 - 28)
abort ();
if (__builtin_object_size (&b->buf[28], 3) != 212 - 28)
abort ();
return 0;
}

2
gcc/tree-object-size.c
View File

@ -317,7 +317,7 @@ addr_object_size (struct object_size_info *osi, const_tree ptr,
&& tree_int_cst_lt (pt_var_size, bytes2))
bytes2 = size_zero_node;
else
bytes2 = size_binop (MINUS_EXPR, var_size, bytes2);
bytes2 = size_binop (MINUS_EXPR, pt_var_size, bytes2);
bytes = size_binop (MIN_EXPR, bytes, bytes2);
}
}