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re PR bootstrap/41395 (Revision 151800 failed bootstrap) 

2009-10-01  Martin Jambor  <mjambor@suse.cz>

	PR bootstrap/41395
	* tree-sra.c (is_va_list_type): New function.
	(find_var_candidates): Call is_va_list_type.
	(find_param_candidates): Check that the type or the type pointed
	to are not va_list types.

From-SVN: r152366
This commit is contained in:
Martin Jambor 2009-10-01 13:30:12 +02:00 committed by Martin Jambor
parent ed9fa13310
commit 1e9fb3de50
2 changed files with 22 additions and 5 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2009-10-01 Martin Jambor <mjambor@suse.cz>
PR bootstrap/41395
* tree-sra.c (is_va_list_type): New function.
(find_var_candidates): Call is_va_list_type.
(find_param_candidates): Check that the type or the type pointed
to are not va_list types.
2009-10-01 Martin Jambor <mjambor@suse.cz>
PR c++/41503

19
gcc/tree-sra.c
View File

@ -1323,6 +1323,14 @@ build_ref_for_offset (tree *expr, tree type, HOST_WIDE_INT offset,
return build_ref_for_offset_1 (expr, type, offset, exp_type);
}
/* Return true iff TYPE is stdarg va_list type. */
static inline bool
is_va_list_type (tree type)
{
return TYPE_MAIN_VARIANT (type) == TYPE_MAIN_VARIANT (va_list_type_node);
}
/* The very first phase of intraprocedural SRA. It marks in candidate_bitmap
those with type which is suitable for scalarization. */
@ -1350,8 +1358,7 @@ find_var_candidates (void)
we also want to schedule it rather late. Thus we ignore it in
the early pass. */
|| (sra_mode == SRA_MODE_EARLY_INTRA
&& (TYPE_MAIN_VARIANT (TREE_TYPE (var))
== TYPE_MAIN_VARIANT (va_list_type_node))))
&& is_va_list_type (type)))
continue;
bitmap_set_bit (candidate_bitmap, DECL_UID (var));
@ -2731,11 +2738,13 @@ find_param_candidates (void)
parm;
parm = TREE_CHAIN (parm))
{
tree type;
tree type = TREE_TYPE (parm);
count++;
if (TREE_THIS_VOLATILE (parm)
|| TREE_ADDRESSABLE (parm))
|| TREE_ADDRESSABLE (parm)
|| is_va_list_type (type))
continue;
if (is_unused_scalar_param (parm))
@ -2744,7 +2753,6 @@ find_param_candidates (void)
continue;
}
type = TREE_TYPE (parm);
if (POINTER_TYPE_P (type))
{
type = TREE_TYPE (type);
@ -2752,6 +2760,7 @@ find_param_candidates (void)
if (TREE_CODE (type) == FUNCTION_TYPE
|| TYPE_VOLATILE (type)
|| !is_gimple_reg (parm)
|| is_va_list_type (type)
|| ptr_parm_has_direct_uses (parm))
continue;
}