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[Bug middle-end/42574] [4.3/4.4/4.5/4.6 Regression] Address of global variable is calculated multiple times (missed CSE)
- From: "mkuvyrkov at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 27 Jul 2010 19:35:23 -0000
- Subject: [Bug middle-end/42574] [4.3/4.4/4.5/4.6 Regression] Address of global variable is calculated multiple times (missed CSE)
- References: <bug-42574-17572@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #11 from mkuvyrkov at gcc dot gnu dot org 2010-07-27 19:35 -------
Subject: Bug 42574
Author: mkuvyrkov
Date: Tue Jul 27 19:34:55 2010
New Revision: 162590
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=162590
Log:
PR rtl-optimization/40956
PR target/42495
PR middle-end/42574
* gcse.c (compute_code_hoist_vbeinout): Consider more expressions
for hoisting.
(hoist_code): Count occurences in current block too.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/gcse.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42574