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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> 2009-10-01 Martin Jambor <mjambor@suse.cz>
PR c++/41503 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 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 /* The very first phase of intraprocedural SRA. It marks in candidate_bitmap
those with type which is suitable for scalarization. */ 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 we also want to schedule it rather late. Thus we ignore it in
the early pass. */ the early pass. */
|| (sra_mode == SRA_MODE_EARLY_INTRA || (sra_mode == SRA_MODE_EARLY_INTRA
&& (TYPE_MAIN_VARIANT (TREE_TYPE (var)) && is_va_list_type (type)))
== TYPE_MAIN_VARIANT (va_list_type_node))))
continue; continue;
bitmap_set_bit (candidate_bitmap, DECL_UID (var)); bitmap_set_bit (candidate_bitmap, DECL_UID (var));
@ -2731,11 +2738,13 @@ find_param_candidates (void)
parm; parm;
parm = TREE_CHAIN (parm)) parm = TREE_CHAIN (parm))
{ {
tree type; tree type = TREE_TYPE (parm);
count++; count++;
if (TREE_THIS_VOLATILE (parm) if (TREE_THIS_VOLATILE (parm)
|| TREE_ADDRESSABLE (parm)) || TREE_ADDRESSABLE (parm)
|| is_va_list_type (type))
continue; continue;
if (is_unused_scalar_param (parm)) if (is_unused_scalar_param (parm))
@ -2744,7 +2753,6 @@ find_param_candidates (void)
continue; continue;
} }
type = TREE_TYPE (parm);
if (POINTER_TYPE_P (type)) if (POINTER_TYPE_P (type))
{ {
type = TREE_TYPE (type); type = TREE_TYPE (type);
@ -2752,6 +2760,7 @@ find_param_candidates (void)
if (TREE_CODE (type) == FUNCTION_TYPE if (TREE_CODE (type) == FUNCTION_TYPE
|| TYPE_VOLATILE (type) || TYPE_VOLATILE (type)
|| !is_gimple_reg (parm) || !is_gimple_reg (parm)
|| is_va_list_type (type)
|| ptr_parm_has_direct_uses (parm)) || ptr_parm_has_direct_uses (parm))
continue; continue;
} }