------- Comment #4 from matz at gcc dot gnu dot org 2010-04-13 11:59 -------
No, we shouldn't unconditionally create REGs if the target isn't one, but
rather only if it doesn't match the predicate. Like so, which I'm testing
right now:
Index: builtins.c
===================================================================
--- builtins.c (revision 158160)
+++ builtins.c (working copy)
@@ -2316,7 +2316,8 @@ expand_builtin_interclass_mathfn (tree e
tree orig_arg = arg;
/* Make a suitable register to place result in. */
if (!target
- || GET_MODE (target) != TYPE_MODE (TREE_TYPE (exp)))
+ || GET_MODE (target) != TYPE_MODE (TREE_TYPE (exp))
+ || !insn_data[icode].operand[0].predicate (target, GET_MODE
(target)))
target = gen_reg_rtx (TYPE_MODE (TREE_TYPE (exp)));
gcc_assert (insn_data[icode].operand[0].predicate
--
matz at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |matz at gcc dot gnu dot org
|dot org |
Status|NEW |ASSIGNED
Last reconfirmed|2010-04-12 18:38:24 |2010-04-13 11:59:00
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43730
