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Richard Guenther b377855627 re PR tree-optimization/36345 (TBAA-pruning of points-to sets ineffective) 
2008-06-12  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36345
	* tree-flow.h (struct ptr_info_def): Align escape_mask,
	add memory_tag_needed flag.
	(may_alias_p): Declare.
	* tree-ssa-alias.c (may_alias_p): Export.
	(set_initial_properties): Use memory_tag_needed flag.
	(update_reference_counts): Likewise.
	(reset_alias_info): Reset memory_tag_needed flag.
	(create_name_tags): Check memory_tag_needed flag.
	(dump_points_to_info_for): Dump it.
	* tree-ssa-structalias.c (struct variable_info): Remove
	directly_dereferenced flag.
	(new_var_info): Do not initialize it.
	(process_constraint_1): Do not set it.
	(update_alias_info): Set is_dereferenced flag.
	(set_uids_in_ptset): Use may_alias_p.
	(set_used_smts): Check memory_tag_needed flag.
	(find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
	* tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
	memory_tag_needed flag.
	* tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
	from broken design.

	* gcc.c-torture/execute/20020619-1.c: Remove broken part of
	the testcase.

From-SVN: r136695
 		2008-06-12 10:21:45 +00:00
INSTALL README: Update wrt. 2001-06-13 14:51:33 +00:00
boehm-gc re PR other/35457 (Error building GCC trunk on CELL SPU) 2008-04-18 10:28:53 +00:00
config tls.m4: Fix typos. 2008-06-11 11:57:11 +02:00
contrib patch_tester.sh (report): Do not print "Checker: ". 2008-05-08 15:14:47 +00:00
fixincludes Update the copyright years and put the licensing text directly into the template file. 2008-06-08 16:22:00 +00:00
gcc re PR tree-optimization/36345 (TBAA-pruning of points-to sets ineffective) 2008-06-12 10:21:45 +00:00
gnattools MAINTAINERS (mt port): Remove. 2008-06-07 19:00:15 +01:00
include sha1.h: New file, from gnulib. 2008-03-25 00:54:53 +00:00
intl re PR other/35457 (Error building GCC trunk on CELL SPU) 2008-04-18 10:28:53 +00:00
libada * Makefile.in: Add dummy install-pdf target. 2007-03-01 16:05:13 -08:00
libcpp MAINTAINERS (mt port): Remove. 2008-06-07 19:00:15 +01:00
libdecnumber dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined. 2008-06-11 00:43:09 +01:00
libffi MAINTAINERS (mt port): Remove. 2008-06-07 19:00:15 +01:00
libgcc tls.m4: Fix typos. 2008-06-11 11:57:11 +02:00
libgfortran re PR fortran/36420 (Fortran 2008: g0 edit descriptor) 2008-06-07 23:59:53 +00:00
libgomp libgomp.h (struct gomp_task): Add in_tied_task field. 2008-06-11 23:43:45 +02:00
libiberty configure.ac: use -fPIC on Linux/MIPS hosts. 2008-04-21 21:23:34 +00:00
libjava MAINTAINERS (mt port): Remove. 2008-06-07 19:00:15 +01:00
libmudflap re PR other/35457 (Error building GCC trunk on CELL SPU) 2008-04-18 10:28:53 +00:00
libobjc Object.m (compare): Add type id. 2008-06-10 14:37:51 +02:00
libssp re PR other/35457 (Error building GCC trunk on CELL SPU) 2008-04-18 10:28:53 +00:00
libstdc++-v3 complex (pow(const complex<>&, int)): Do not define in C++0x mode, per DR 844. 2008-06-12 10:17:53 +00:00
maintainer-scripts * crontab: Add 4.3 branch. Set trunk to 4.4. 2008-02-18 23:49:19 +01:00
zlib re PR other/35457 (Error building GCC trunk on CELL SPU) 2008-04-18 10:28:53 +00:00
ABOUT-NLS intl: New directory; see intl/ChangeLog for details. 2003-07-04 18:18:54 +00:00
COPYING COPYING, [...]: Sync from upstream sources. 2005-07-14 01:08:13 +00:00
COPYING.LIB Update COPYING.LIB from upstream. Correct last Changelog. 2005-07-14 01:41:54 +00:00
COPYING3 COPYING_v3: New file. 2007-07-17 08:37:53 +00:00
COPYING3.LIB COPYING_v3: New file. 2007-07-17 08:37:53 +00:00
ChangeLog re PR tree-optimization/36218 (VRP causes stack overflow while building libgcj) 2008-06-08 17:14:33 +01:00
ChangeLog.tree-ssa Merge tree-ssa-20020619-branch into mainline. 2004-05-13 02:41:07 -04:00
MAINTAINERS MAINTAINERS (mt port): Remove. 2008-06-07 19:00:15 +01:00
Makefile.def re PR tree-optimization/36218 (VRP causes stack overflow while building libgcj) 2008-06-08 17:14:33 +01:00
Makefile.in re PR tree-optimization/36218 (VRP causes stack overflow while building libgcj) 2008-06-08 17:14:33 +01:00
Makefile.tpl re PR tree-optimization/36218 (VRP causes stack overflow while building libgcj) 2008-06-08 17:14:33 +01:00
README * README: Remove version number. 2001-06-13 19:48:09 +01:00
README.SCO * README.SCO: Update the URL. 2005-05-08 17:49:46 +00:00
compile compile: Make executable. 2008-02-01 00:06:00 +00:00
config-ml.in config-ml.in: don't handle --enable-shared and --enable-static. 2008-05-14 17:15:51 +00:00
config.guess * config.sub, config.guess: Update from upstream sources. 2008-04-14 19:31:06 +10:00
config.rpath * config.rpath: Add AIX 6 support. 2008-03-13 14:55:20 -04:00
config.sub * config.sub, config.guess: Update from upstream sources. 2008-04-14 19:31:06 +10:00
configure configure.ac (arm*-*-linux-gnueabi): Don't disable building of libobjc for ARM EABI Linux. 2008-05-30 18:21:31 +00:00
configure.ac configure.ac (arm*-*-linux-gnueabi): Don't disable building of libobjc for ARM EABI Linux. 2008-05-30 18:21:31 +00:00
depcomp top level: 2005-06-13 08:26:05 +00:00
install-sh COPYING, [...]: Sync from upstream sources. 2005-07-14 01:08:13 +00:00
libtool-ldflags re PR bootstrap/31906 ("-Xcompiler" is inserted after "-Xlinker" when building libstdc++) 2007-09-20 10:20:05 +00:00
libtool.m4 backport: Deal with Autoconf 2.62's semantic change in m4_append. 2008-03-16 06:47:18 +00:00
ltgcc.m4 [multiple changes] 2007-05-31 06:40:42 +00:00
ltmain.sh ltmain.sh: Fix Darwin verstring, remove ${wl}. 2007-05-25 21:26:27 +02:00
ltoptions.m4 ltmain.sh: Update from ToT Libtool. 2007-05-24 16:37:27 +00:00
ltsugar.m4 backport: Deal with Autoconf 2.62's semantic change in m4_append. 2008-03-16 06:47:18 +00:00
ltversion.m4 ltmain.sh: Update from ToT Libtool. 2007-05-24 16:37:27 +00:00
lt~obsolete.m4 lt~obsolete.m4: New. 2007-07-05 10:36:59 -07:00
missing COPYING, [...]: Sync from upstream sources. 2005-07-14 01:08:13 +00:00
mkdep
…
mkinstalldirs COPYING, [...]: Sync from upstream sources. 2005-07-14 01:08:13 +00:00
move-if-change Import from Autoconf sources: 2005-11-21 13:21:37 +11:00
symlink-tree COPYING, [...]: Sync from upstream sources. 2005-07-14 01:08:13 +00:00
ylwrap COPYING, [...]: Sync from upstream sources. 2005-07-14 01:08:13 +00:00

README 

This directory contains the GNU Compiler Collection (GCC).

The GNU Compiler Collection is free software.  See the file COPYING
for copying permission.  The manuals, and some of the runtime
libraries, are under different terms; see the individual source files
for details.

The directory INSTALL contains copies of the installation information
as HTML and plain text.  The source of this information is
gcc/doc/install.texi.  The installation information includes details
of what is included in the GCC sources and what files GCC installs.

See the file gcc/doc/gcc.texi (together with other files that it
includes) for usage and porting information.  An online readable
version of the manual is in the files gcc/doc/gcc.info*.

See http://gcc.gnu.org/bugs.html for how to report bugs usefully.