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[Bug rtl-optimization/49504] Invalid optimization for Pmode != ptr_mode
- From: "hjl at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 24 Jun 2011 13:42:22 +0000
- Subject: [Bug rtl-optimization/49504] Invalid optimization for Pmode != ptr_mode
- Auto-submitted: auto-generated
- References: <bug-49504-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49504
--- Comment #5 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> 2011-06-24 13:41:44 UTC ---
Author: hjl
Date: Fri Jun 24 13:41:40 2011
New Revision: 175377
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175377
Log:
Properly handle pointer addition/subtraction.
2011-06-24 H.J. Lu <hongjiu.lu@intel.com>
PR rtl-optimization/49504
* rtlanal.c (nonzero_bits1): Properly handle addition or
subtraction a pointer in Pmode if pointers extend unsigned.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/rtlanal.c