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re PR target/41089 (stdarg pass produces wrong code) 

2009-09-09  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/41089
	* tree-sra.c (find_var_candidates): Do not consider va_lists in
	early SRA.

From-SVN: r151566
This commit is contained in:
Martin Jambor 2009-09-09 18:50:15 +02:00 committed by Martin Jambor
parent 8b9db065c6
commit ca1bb752ae
2 changed files with 13 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2009-09-09 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/41089
* tree-sra.c (find_var_candidates): Do not consider va_lists in
early SRA.
2009-09-09 Richard Henderson <rth@redhat.com> 2009-09-09 Richard Henderson <rth@redhat.com>
* gimple.h (CASE_GIMPLE_OMP): New. * gimple.h (CASE_GIMPLE_OMP): New.

8
gcc/tree-sra.c
View File

@ -1165,7 +1165,13 @@ find_var_candidates (void)
|| !COMPLETE_TYPE_P (type) || !COMPLETE_TYPE_P (type)
|| !host_integerp (TYPE_SIZE (type), 1) || !host_integerp (TYPE_SIZE (type), 1)
|| tree_low_cst (TYPE_SIZE (type), 1) == 0 || tree_low_cst (TYPE_SIZE (type), 1) == 0
|| type_internals_preclude_sra_p (type)) || type_internals_preclude_sra_p (type)
/* Fix for PR 41089. tree-stdarg.c needs to have va_lists intact but
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))))
continue; continue;
bitmap_set_bit (candidate_bitmap, DECL_UID (var)); bitmap_set_bit (candidate_bitmap, DECL_UID (var));