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tree-switch-conversion.c (gen_inbound_check): Make sure the type in which we generate arithmetics is not a subrange. 

2008-07-14  Martin Jambor  <mjambor@suse.cz>

	* tree-switch-conversion.c (gen_inbound_check): Make sure the type
	in which we generate arithmetics is not a subrange.

From-SVN: r137783
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Martin Jambor 2008-07-14 13:28:39 +02:00 committed by Martin Jambor
parent 9bfb0f015e
commit 145544ab09
2 changed files with 12 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2008-07-14 Martin Jambor <mjambor@suse.cz>
* tree-switch-conversion.c (gen_inbound_check): Make sure the type
in which we generate arithmetics is not a subrange.
2008-07-14 Martin Jambor <mjambor@suse.cz>
* Makefile.in (IPA_PROP_H): Added ipa-prop.h to IPA_PROP_H variable.

8
gcc/tree-switch-conversion.c
View File

@ -622,7 +622,7 @@ gen_inbound_check (tree swtch)
tree label_decl3 = create_artificial_label ();
tree label1, label2, label3;
tree utype = unsigned_type_for (TREE_TYPE (info.index_expr));
tree utype;
tree tmp_u;
tree cast, cast_assign;
tree ulb, minus, minus_assign;
@ -638,6 +638,12 @@ gen_inbound_check (tree swtch)
gcc_assert (info.default_values);
bb0 = bb_for_stmt (swtch);
/* Make sure we do not generate arithmetics in a subrange. */
if (TREE_TYPE (TREE_TYPE (info.index_expr)))
utype = unsigned_type_for (TREE_TYPE (TREE_TYPE (info.index_expr)));
else
utype = unsigned_type_for (TREE_TYPE (info.index_expr));
/* (end of) block 0 */
bsi = bsi_for_stmt (info.arr_ref_first);
tmp_u = make_rename_temp (utype, "csui");