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[Bug target/42235] redundant memory move from parameter space to spill space
- From: "bernds at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Jul 2010 02:09:24 -0000
- Subject: [Bug target/42235] redundant memory move from parameter space to spill space
- References: <bug-42235-17659@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from bernds at gcc dot gnu dot org 2010-07-16 02:09 -------
Subject: Bug 42235
Author: bernds
Date: Fri Jul 16 02:09:03 2010
New Revision: 162240
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=162240
Log:
PR target/42235
* function.c (record_hard_reg_sets): New static function.
(assign_parm_setup_reg): If an optab for extending exists and the
generated code clobbbers no hard regs, emit the insn directly and
create a REG_EQUIV note.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/function.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42235