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From: "jamborm at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug middle-end/57347] [4.8/4.9 Regression] wrong code for bitfield on x86_64-linux at -Os and above
Date: Thu, 23 May 2013 13:47:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57347

--- Comment #5 from Martin Jambor <jamborm at gcc dot gnu.org> ---
Author: jamborm
Date: Thu May 23 13:20:41 2013
New Revision: 199252

URL: http://gcc.gnu.org/viewcvs?rev=199252&root=gcc&view=rev
Log:
2013-05-22  Martin Jambor  <mjambor@suse.cz>

    PR middle-end/57347
    * tree.h (contains_bitfld_component_ref_p): Declare.
    * tree-sra.c (contains_bitfld_comp_ref_p): Move...
    * tree.c (contains_bitfld_component_ref_p): ...here.  Adjust its caller.
    * ipa-prop.c (determine_known_aggregate_parts): Check that LHS does
    not access a bit-field.  Assert all final offsets are byte-aligned.

testsuite/
    * gcc.dg/ipa/pr57347.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/ipa/pr57347.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-prop.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-sra.c
    trunk/gcc/tree.c
    trunk/gcc/tree.h