[Bug tree-optimization/45704] [4.5 Regression] load byte instruction is used for volatile int

[rguenth at gcc dot gnu dot org]

------- Comment #2 from rguenth at gcc dot gnu dot org  2010-09-20 15:54 -------
Subject: Bug 45704

Author: rguenth
Date: Mon Sep 20 15:54:03 2010
New Revision: 164439

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164439
Log:
2010-09-20  Richard Guenther  <rguent...@suse.de>

        PR middle-end/45704
        * gimplify.c (gimplify_modify_expr_rhs): Preserve volatileness.

        * gcc.dg/torture/pr45704.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr45704.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimplify.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45704