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[Bug middle-end/19857] [4.0 Regression] alignment check of SSE constant fails in simple test program
- 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: 16 Feb 2005 13:54:53 -0000
- Subject: [Bug middle-end/19857] [4.0 Regression] alignment check of SSE constant fails in simple test program
- References: <20050209170404.19857.stevenj@fftw.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-02-16 13:54 -------
Subject: Bug 19857
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: jakub@gcc.gnu.org 2005-02-16 13:54:31
Modified files:
gcc : ChangeLog convert.c fold-const.c
gcc/testsuite : ChangeLog
Added files:
gcc/testsuite/gcc.c-torture/execute: 20050215-1.c
gcc/testsuite/gcc.dg/tree-ssa: 20050215-1.c
Log message:
PR middle-end/19857
* fold-const.c (fold): Don't optimize (T)(x & cst) to
(T)x & (T)cst if (T)cst overflows.
* convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
* gcc.dg/tree-ssa/20050215-1.c: New test.
* gcc.c-torture/execute/20050215-1.c: New test.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7491&r2=2.7492
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/convert.c.diff?cvsroot=gcc&r1=1.54&r2=1.55
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/fold-const.c.diff?cvsroot=gcc&r1=1.512&r2=1.513
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5039&r2=1.5040
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/execute/20050215-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/tree-ssa/20050215-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19857