This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug middle-end/57347] [4.8/4.9 Regression] wrong code for bitfield on x86_64-linux at -Os and above
- From: "jamborm at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 23 May 2013 13:46:47 +0000
- Subject: [Bug middle-end/57347] [4.8/4.9 Regression] wrong code for bitfield on x86_64-linux at -Os and above
- Auto-submitted: auto-generated
- References: <bug-57347-4 at http dot gcc dot gnu dot org/bugzilla/>
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