http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57106
Uros Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ubizjak at gmail dot com,
| |ysrumyan at gmail dot com
--- Comment #3 from Uros Bizjak <ubizjak at gmail dot com> 2013-05-03 11:49:51
UTC ---
The dependence in i386.c:add_parameter_dependencies adds dependence of the
instruction with wrong index. Proposed patch:
--cut here--
Index: i386.c
===================================================================
--- i386.c (revision 198569)
+++ i386.c (working copy)
@@ -24662,7 +24662,7 @@ add_parameter_dependencies (rtx call, rtx head)
/* Add output depdendence between two function arguments if chain
of output arguments contains likely spilled HW registers. */
if (is_spilled)
- add_dependence (last, insn, REG_DEP_OUTPUT);
+ add_dependence (first_arg, insn, REG_DEP_OUTPUT);
first_arg = last = insn;
}
else
--cut here--
CC'd author.
