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Fix ppc -m64 constant address expression expansion bug.

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Oked by Richard Henderson.

From-SVN: r103676
This commit is contained in:
Fariborz Jahanian 2005-08-31 15:55:52 +00:00 committed by Fariborz Jahanian
parent f471f0fcc7
commit dc38a61086
3 changed files with 40 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
* expr.c (expand_expr_real_1): Compare size of address
mode to target's address mode size in deciding expansion of
the constant address.
2005-08-31 Richard Guenther <rguenther@suse.de>
PR middle-end/23477

2
gcc/expr.c
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@ -7673,7 +7673,7 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode,
}
else if (TREE_CODE (TREE_OPERAND (exp, 1)) == INTEGER_CST
&& GET_MODE_BITSIZE (mode) <= HOST_BITS_PER_INT
&& GET_MODE_BITSIZE (mode) <= HOST_BITS_PER_WIDE_INT
&& TREE_CONSTANT (TREE_OPERAND (exp, 0)))
{
rtx constant_part;

33
gcc/testsuite/gcc.c-torture/execute/const-addr-expr-1.c Normal file
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@ -0,0 +1,33 @@
#include <stdio.h>
#include <stdlib.h>
extern void abort();
typedef struct foo
{
int uaattrid;
char *name;
} FOO;
FOO Upgrade_items[] =
{
{1, "1"},
{2, "2"},
{0, NULL}
};
int *Upgd_minor_ID =
(int *) &((Upgrade_items + 1)->uaattrid);
int *Upgd_minor_ID1 =
(int *) &((Upgrade_items)->uaattrid);
int
main(int argc, char **argv)
{
if (*Upgd_minor_ID != 2)
abort();
if (*Upgd_minor_ID1 != 1)
abort();
return 0;
}