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tree.c (make_vector_type): Properly compute canonical type of the main variant.

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* tree.c (make_vector_type): Properly compute canonical type of the
	main variant.
	(verify_type): Verify that TYPE_CANONICAL of TYPE_MAIN_VARIANT is
	a main variant.

From-SVN: r230837
This commit is contained in:
Jan Hubicka 2015-11-24 21:26:48 +01:00 committed by Jan Hubicka
parent d74792629d
commit 0b87a9a2bd
2 changed files with 19 additions and 4 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2015-11-24 Jan Hubicka <hubicka@ucw.cz>
* tree.c (make_vector_type): Properly compute canonical type of the
main variant.
(verify_type): Verify that TYPE_CANONICAL of TYPE_MAIN_VARIANT is
a main variant.
2015-11-24 Nathan Sidwell <nathan@acm.org>
* config/nvptx/nvptx.c (maybe_split_mode): Return new mode or

16
gcc/tree.c
View File

@ -9860,19 +9860,20 @@ make_vector_type (tree innertype, int nunits, machine_mode mode)
{
tree t;
inchash::hash hstate;
tree mv_innertype = TYPE_MAIN_VARIANT (innertype);
t = make_node (VECTOR_TYPE);
TREE_TYPE (t) = TYPE_MAIN_VARIANT (innertype);
TREE_TYPE (t) = mv_innertype;
SET_TYPE_VECTOR_SUBPARTS (t, nunits);
SET_TYPE_MODE (t, mode);
if (TYPE_STRUCTURAL_EQUALITY_P (innertype) || in_lto_p)
if (TYPE_STRUCTURAL_EQUALITY_P (mv_innertype) || in_lto_p)
SET_TYPE_STRUCTURAL_EQUALITY (t);
else if ((TYPE_CANONICAL (innertype) != innertype
else if ((TYPE_CANONICAL (mv_innertype) != innertype
|| mode != VOIDmode)
&& !VECTOR_BOOLEAN_TYPE_P (t))
TYPE_CANONICAL (t)
= make_vector_type (TYPE_CANONICAL (innertype), nunits, VOIDmode);
= make_vector_type (TYPE_CANONICAL (mv_innertype), nunits, VOIDmode);
layout_type (t);
@ -13540,6 +13541,13 @@ verify_type (const_tree t)
debug_tree (ct);
error_found = true;
}
if (TYPE_MAIN_VARIANT (t) == t && ct && TYPE_MAIN_VARIANT (ct) != ct)
{
error ("TYPE_CANONICAL of main variant is not main variant");
debug_tree (ct);
debug_tree (TYPE_MAIN_VARIANT (ct));
error_found = true;
}
/* Check various uses of TYPE_MINVAL. */