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expr.c (store_constructor): Allow CONSTRUCTOR with VECTOR_TYPE (same sized) elements even if... 

* expr.c (store_constructor): Allow CONSTRUCTOR with VECTOR_TYPE
	(same sized) elements even if the type of the CONSTRUCTOR has
	vector mode and target is a REG.

From-SVN: r205259
This commit is contained in:
Jakub Jelinek 2013-11-22 14:22:51 +01:00 committed by Jakub Jelinek
parent 2dc2114458
commit 29d78eafa6
2 changed files with 20 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2013-11-22 Jakub Jelinek <jakub@redhat.com>
* expr.c (store_constructor): Allow CONSTRUCTOR with VECTOR_TYPE
(same sized) elements even if the type of the CONSTRUCTOR has
vector mode and target is a REG.
2013-11-22 Richard Biener <rguenther@suse.de> 2013-11-22 Richard Biener <rguenther@suse.de>
Revert Revert

16
gcc/expr.c
View File

@ -6305,6 +6305,18 @@ store_constructor (tree exp, rtx target, int cleared, HOST_WIDE_INT size)
enum machine_mode mode = GET_MODE (target); enum machine_mode mode = GET_MODE (target);
icode = (int) optab_handler (vec_init_optab, mode); icode = (int) optab_handler (vec_init_optab, mode);
/* Don't use vec_init<mode> if some elements have VECTOR_TYPE. */
if (icode != CODE_FOR_nothing)
{
tree value;
FOR_EACH_CONSTRUCTOR_VALUE (CONSTRUCTOR_ELTS (exp), idx, value)
if (TREE_CODE (TREE_TYPE (value)) == VECTOR_TYPE)
{
icode = CODE_FOR_nothing;
break;
}
}
if (icode != CODE_FOR_nothing) if (icode != CODE_FOR_nothing)
{ {
unsigned int i; unsigned int i;
@ -6382,8 +6394,8 @@ store_constructor (tree exp, rtx target, int cleared, HOST_WIDE_INT size)
if (vector) if (vector)
{ {
/* Vector CONSTRUCTORs should only be built from smaller /* vec_init<mode> should not be used if there are VECTOR_TYPE
vectors in the case of BLKmode vectors. */ elements. */
gcc_assert (TREE_CODE (TREE_TYPE (value)) != VECTOR_TYPE); gcc_assert (TREE_CODE (TREE_TYPE (value)) != VECTOR_TYPE);
RTVEC_ELT (vector, eltpos) RTVEC_ELT (vector, eltpos)
= expand_normal (value); = expand_normal (value);