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* expr.c (store_constructor): Don't clobber TARGET if CLEARED. 

From-SVN: r30676
This commit is contained in:
Richard Kenner 1999-11-27 14:47:23 +00:00 committed by Richard Kenner
parent ac51c4e37c
commit dd1db5ec31
2 changed files with 6 additions and 3 deletions
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2
gcc/ChangeLog
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@ -1,5 +1,7 @@
Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* expr.c (store_constructor): Don't clobber TARGET if CLEARED.
* combine.c (try_combine): Add code to try to merge a set of a
two-word pseudo to a constant with a setting of one of those words
to a constant.

7
gcc/expr.c
View File

@ -4088,8 +4088,9 @@ store_constructor (exp, target, align, cleared)
register tree elt;
/* Inform later passes that the whole union value is dead. */
if (TREE_CODE (type) == UNION_TYPE
|| TREE_CODE (type) == QUAL_UNION_TYPE)
if ((TREE_CODE (type) == UNION_TYPE
|| TREE_CODE (type) == QUAL_UNION_TYPE)
&& ! cleared)
{
emit_insn (gen_rtx_CLOBBER (VOIDmode, target));
@ -4125,7 +4126,7 @@ store_constructor (exp, target, align, cleared)
cleared = 1;
}
else
else if (! cleared)
/* Inform later passes that the old value is dead. */
emit_insn (gen_rtx_CLOBBER (VOIDmode, target));