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From: "vries at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/53986] missing vrp on bit-mask test, LSHIFT_EXPR not handled
Date: Fri, 07 Sep 2012 09:21:00 -0000	[thread overview]
Message-ID: <bug-53986-4-4E2cl0ESNz@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-53986-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53986

--- Comment #11 from vries at gcc dot gnu.org 2012-09-07 09:21:18 UTC ---
Author: vries
Date: Fri Sep  7 09:21:11 2012
New Revision: 191057

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191057
Log:
2012-09-07  Tom de Vries  <tom@codesourcery.com>

    PR tree-optimization/53986
    * tree-vrp.c (extract_range_from_multiplicative_op_1): Allow
    LSHIFT_EXPR.
    (extract_range_from_binary_expr_1): Handle LSHIFT with constant range as
    shift amount.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-vrp.c

--- Comment #12 from vries at gcc dot gnu.org 2012-09-07 09:21:31 UTC ---
Author: vries
Date: Fri Sep  7 09:21:21 2012
New Revision: 191058

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191058
Log:
2012-09-07  Tom de Vries  <tom@codesourcery.com>

    PR tree-optimization/53986
    * gcc.dg/tree-ssa/vrp80.c: New test.
    * gcc.dg/tree-ssa/vrp80-2.c: Same.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp80-2.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp80.c
Modified:
    trunk/gcc/testsuite/ChangeLog


  parent reply	other threads:[~2012-09-07  9:21 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-16 20:55 [Bug middle-end/53986] New: missing vrp on bit-mask test vries at gcc dot gnu.org
2012-07-17  9:19 ` [Bug tree-optimization/53986] missing vrp on bit-mask test, LSHIFT_EXPR not handled rguenth at gcc dot gnu.org
2012-07-23  6:30 ` vries at gcc dot gnu.org
2012-08-05  9:36 ` vries at gcc dot gnu.org
2012-08-05 11:06 ` steven at gcc dot gnu.org
2012-08-05 11:36 ` steven at gcc dot gnu.org
2012-08-05 13:32 ` vries at gcc dot gnu.org
2012-08-05 13:53 ` stevenb.gcc at gmail dot com
2012-08-05 15:32 ` vries at gcc dot gnu.org
2012-08-05 18:16 ` vries at gcc dot gnu.org
2012-08-06  8:38 ` vries at gcc dot gnu.org
2012-09-07  9:21 ` vries at gcc dot gnu.org [this message]
2012-09-07  9:21 ` vries at gcc dot gnu.org
2012-09-07  9:22 ` vries at gcc dot gnu.org
2012-09-07  9:25 ` vries at gcc dot gnu.org

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