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[Bug middle-end/16790] [3.3 regression] Integer down cast ignored in larger expression
- From: "cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 8 Aug 2004 18:55:41 -0000
- Subject: [Bug middle-end/16790] [3.3 regression] Integer down cast ignored in larger expression
- References: <20040727223545.16790.andyb@mathworks.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2004-08-08 18:55 -------
Subject: Bug 16790
CVSROOT: /cvs/gcc
Module name: gcc
Branch: gcc-3_3-branch
Changes by: sayle@gcc.gnu.org 2004-08-08 18:55:35
Modified files:
gcc : ChangeLog fold-const.c
gcc/testsuite : ChangeLog
Added files:
gcc/testsuite/gcc.c-torture/execute: pr16790-1.c
Log message:
2004-08-08 Roger Sayle <roger@eyesopen.com>
PR middle-end/16790
Backport from mainline.
* fold-const.c (expand_muldiv_1) <NOP_EXPR>: Disallow local
truncations, not just global truncations.
* gcc.c-torture/execute/pr16790-1.c: New test case.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.16114.2.1009&r2=1.16114.2.1010
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.227.2.7&r2=1.227.2.8
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=1.2261.2.382&r2=1.2261.2.383
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/pr16790-1.c.diff?cvsroot=gcc&only_with_tag=gcc-3_3-branch&r1=NONE&r2=1.1.6.1
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16790