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From: "hjl at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/52876] [x32] - Sign extend 32 to 64bit then clear upper 32bits fails O1 or higher
Date: Wed, 11 Apr 2012 19:32:00 -0000	[thread overview]
Message-ID: <bug-52876-4-sdMV76czrz@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-52876-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52876

--- Comment #15 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> 2012-04-11 19:31:49 UTC ---
Author: hjl
Date: Wed Apr 11 19:31:45 2012
New Revision: 186351

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186351
Log:
Check for incompatible pointer sign extension

gcc/

    PR rtl-optimization/52876
    * emit-rtl.c (set_reg_attrs_from_value): Handle arbitrary value.
    Don't call mark_reg_pointer for incompatible pointer sign
    extension.

    * reginfo.c (reg_scan_mark_refs): Call set_reg_attrs_from_value 
    directly.

gcc/testsuite

    PR rtl-optimization/52876
    * gcc.target/i386/pr52876.c: New.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr52876.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/emit-rtl.c
    trunk/gcc/reginfo.c
    trunk/gcc/testsuite/ChangeLog


  parent reply	other threads:[~2012-04-11 19:32 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-05  8:17 [Bug target/52876] New: " steffen-schmidt at siemens dot com
2012-04-05  8:19 ` [Bug target/52876] " steffen-schmidt at siemens dot com
2012-04-05  8:20 ` steffen-schmidt at siemens dot com
2012-04-05  8:20 ` steffen-schmidt at siemens dot com
2012-04-05  8:21 ` steffen-schmidt at siemens dot com
2012-04-05  8:21 ` steffen-schmidt at siemens dot com
2012-04-05 10:16 ` ubizjak at gmail dot com
2012-04-05 10:17 ` ubizjak at gmail dot com
2012-04-05 13:43 ` hjl.tools at gmail dot com
2012-04-05 13:50 ` hjl.tools at gmail dot com
2012-04-05 14:31 ` hjl.tools at gmail dot com
2012-04-05 15:17 ` [Bug rtl-optimization/52876] " ubizjak at gmail dot com
2012-04-05 15:21 ` [Bug target/52876] " hjl.tools at gmail dot com
2012-04-05 15:46 ` hjl.tools at gmail dot com
2012-04-10 14:50 ` [Bug rtl-optimization/52876] " hjl.tools at gmail dot com
2012-04-11 19:32 ` hjl at gcc dot gnu.org [this message]
2013-02-07 11:50 ` steffen-schmidt at siemens dot com
2013-02-07 16:34 ` hjl.tools at gmail dot com
2024-03-26 23:34 ` pinskia at gcc dot gnu.org

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