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Martin Jambor 7744b697eb re PR tree-optimization/42585 (SRA is not good for structure copies with one replacement any more)
2010-01-21  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42585
	* tree-sra.c (struct access): New field grp_total_scalarization.
	(dump_access): Dump the new field.
	(should_scalarize_away_bitmap): New variable.
	(cannot_scalarize_away_bitmap): Likewise.
	(sra_initialize): Allocate new bitmaps.
	(sra_deinitialize): Free new bitmaps.
	(create_access_1): New function.
	(create_access): Parts moved to create_access_1.
	(type_consists_of_records_p): New function.
	(completely_scalarize_record): Likewise.
	(build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
	(build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
	(sort_and_splice_var_accesses): Hint groups with a total_scalarization
	access.
	(analyze_all_variable_accesses): Completely scalarize small eligible
	records.

	* testsuite/gcc.dg/tree-ssa/pr42585.c: New test.

From-SVN: r156156
2010-01-21 17:18:06 +01:00
boehm-gc gc_locks.h: For __ARM_EABI__ define GC_test_and_set GC_clear to use the atomic builtins. 2009-12-13 22:44:27 +00:00
config stdint.m4 (GCC_HEADER_STDINT): Don't typedef uint8_t etc. 2010-01-05 14:02:37 +00:00
contrib Avoid tr '\n', for Solaris /usr/bin/tr. 2010-01-16 14:42:32 +00:00
fixincludes Sync from git Libtool and regenerate. 2009-12-05 17:18:53 +00:00
gcc re PR tree-optimization/42585 (SRA is not good for structure copies with one replacement any more) 2010-01-21 17:18:06 +01:00
gnattools re PR ada/42659 (gnatmake thinks libraries aren't supported) 2010-01-09 18:21:52 +00:00
include Add new DW_AT_use_GNAT_descriptive_type CU attribute. 2010-01-13 11:13:53 +00:00
INSTALL
intl 2009-10-15 Jim Blandy <jimb@red-bean.com> 2009-10-15 08:56:02 +00:00
libada Makefile.in (GNATLIBCFLAGS_FOR_C): New variable. 2009-10-24 10:58:31 +00:00
libcpp * cpplib.pot: Regenerate. 2010-01-11 11:47:16 +00:00
libdecnumber stdint.m4 (GCC_HEADER_STDINT): Don't typedef uint8_t etc. 2010-01-05 14:02:37 +00:00
libffi re PR libffi/40701 (Many libffi tests fail to compile on Tru64 UNIX) 2010-01-07 20:35:33 +00:00
libgcc Fix libgcc build for moxie. 2010-01-04 08:29:53 +00:00
libgfortran Add PR number to ChangeLog. 2010-01-15 15:55:24 +00:00
libgomp stdint.m4 (GCC_HEADER_STDINT): Don't typedef uint8_t etc. 2010-01-05 14:02:37 +00:00
libiberty re PR c++/42338 ([c++0x] ICE on decltype usage with templates) 2010-01-20 20:58:53 -05:00
libjava 2010-01-19 Matthias Klose <doko@ubuntu.com> 2010-01-19 16:42:47 +00:00
libmudflap gcc.c (process_command): Update copyright notice dates. 2010-01-09 01:00:42 +01:00
libobjc Sync from git Libtool and regenerate. 2009-12-05 17:18:53 +00:00
libssp Sync from git Libtool and regenerate. 2009-12-05 17:18:53 +00:00
libstdc++-v3 re PR libstdc++/42201 ([C++0x] std::vector<std::unique_future<T>>::push_back fails) 2010-01-21 00:01:47 +00:00
lto-plugin re PR lto/41569 (.../prev-gcc/xgcc used for the install step of the lto-plugin) 2010-01-11 12:38:09 +00:00
maintainer-scripts * update_web_docs_svn: Update BUGURL to http://gcc.gnu.org/bugs/. 2009-10-10 20:43:15 +00:00
zlib Sync from git Libtool and regenerate. 2009-12-05 17:18:53 +00:00
ABOUT-NLS
ChangeLog MAINTAINERS (CPU Port Maintainers): Add myself for avr port. 2010-01-21 05:51:35 +00:00
ChangeLog.tree-ssa
compile Update automake-provided files in the toplevel. 2009-08-22 11:47:16 +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. 2009-12-18 14:35:42 +11:00
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. 2009-12-18 14:35:42 +11:00
configure configure.ac: Enable libjava build on x86_64-*freebsd*. 2010-01-11 12:10:55 +01:00
configure.ac configure.ac: Enable libjava build on x86_64-*freebsd*. 2010-01-11 12:10:55 +01:00
COPYING
COPYING.LIB
COPYING.RUNTIME Licensing changes to GPLv3 resp. GPLv3 with GCC Runtime Exception. 2009-04-09 17:00:19 +02:00
COPYING3
COPYING3.LIB
depcomp Update automake-provided files in the toplevel. 2009-08-22 11:47:16 +00:00
install-sh Update automake-provided files in the toplevel. 2009-08-22 11:47:16 +00:00
libtool-ldflags
libtool.m4 Sync from git Libtool and regenerate. 2009-12-05 17:18:53 +00:00
ltgcc.m4 libtool.m4: Update to libtool 2.2.6. 2008-09-26 16:21:02 +00:00
ltmain.sh Sync from git Libtool and regenerate. 2009-12-05 17:18:53 +00:00
ltoptions.m4 Sync from git Libtool and regenerate. 2009-12-05 17:18:53 +00:00
ltsugar.m4 libtool.m4: Update to libtool 2.2.6. 2008-09-26 16:21:02 +00:00
ltversion.m4 Sync from git Libtool and regenerate. 2009-12-05 17:18:53 +00:00
lt~obsolete.m4 Sync from git Libtool and regenerate. 2009-12-05 17:18:53 +00:00
MAINTAINERS MAINTAINERS (CPU Port Maintainers): Add myself for avr port. 2010-01-21 05:51:35 +00:00
Makefile.def re PR lto/41569 (.../prev-gcc/xgcc used for the install step of the lto-plugin) 2010-01-11 12:38:09 +00:00
Makefile.in re PR lto/41569 (.../prev-gcc/xgcc used for the install step of the lto-plugin) 2010-01-11 12:38:09 +00:00
Makefile.tpl re PR bootstrap/41818 (Error building cross compiler caused by changing LD_LIBRARY_PATH environment variable in Makefile) 2010-01-07 19:53:50 +00:00
missing Update automake-provided files in the toplevel. 2009-08-22 11:47:16 +00:00
mkdep
mkinstalldirs Update automake-provided files in the toplevel. 2009-08-22 11:47:16 +00:00
move-if-change
README README: Refer to the various COPYING* files instead of just COPYING. 2009-10-10 20:59:49 +00:00
symlink-tree
ylwrap Update automake-provided files in the toplevel. 2009-08-22 11:47:16 +00:00

This directory contains the GNU Compiler Collection (GCC).

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See the file gcc/doc/gcc.texi (together with other files that it
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See http://gcc.gnu.org/bugs/ for how to report bugs usefully.