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Jakub Jelinek 22164c3db7 re PR middle-end/29749 (Missing byte swap optimizations) 
PR middle-end/29749
	* fold-const.c (fold_binary) <case BIT_AND_EXPR>: Optimize
	(X << C1) & C2 into (X << C1) & (C2 | ((1 << C1) - 1))
	and (X >> C1) & C2 into (X >> C1) & (C2 | ~((type) -1 >> C1)).
	(fold_binary) <case LSHIFT_EXPR, case RSHIFT_EXPR>: Optimize
	(X & C2) << C1 into (X << C1) & (C2 << C1) and
	(X & C2) >> C1 into (X >> C1) & (C2 >> C1) if that allows further
	optimizations.

	* gcc.dg/fold-rotate-1.c: New test.

From-SVN: r130589
 		2007-12-03 23:38:28 +01:00
INSTALL
…
boehm-gc re PR boehm-gc/33442 (1938 unexpected fails in libjava testsuite) 2007-10-11 00:36:08 +00:00
config tls.m4 (GCC_CHECK_TLS): Rename have_tls to gcc_cv_have_tls. 2007-10-15 18:09:32 +00:00
contrib * compare-debug: Introduce -p flag to preserve .stripped files. 2007-11-26 06:40:31 +00:00
fixincludes re PR target/33700 (FAIL: 17_intro/headers/all_pedantic_errors.cc (test for excess errors)) 2007-10-14 22:22:25 +00:00
gcc re PR middle-end/29749 (Missing byte swap optimizations) 2007-12-03 23:38:28 +01:00
gnattools configure.ac: Update TOOLS_TARGET_PAIRS configuration to match gcc/ada/Makefile.in. 2007-06-06 15:18:52 +02:00
include floatformat.h (struct floatformat): Add split_half field. 2007-11-08 00:08:02 +00:00
intl Makefile.in (distclean): Delete config files. 2006-09-27 18:51:52 +09:30
libada * Makefile.in: Add dummy install-pdf target. 2007-03-01 16:05:13 -08:00
libcpp ( 5) 2007-12-03 21:04:47 +00:00
libdecnumber Makefile.in (decimal32.o): Prepend $(srcdir) to dependencies and substitute $< for the source file in... 2007-11-26 11:40:21 -06:00
libffi re PR libffi/31937 (libffi doesn't support ppc without FPU) 2007-12-01 22:00:04 +01:00
libgcc * config.host (ia64*-*-elf*): Build ia64 specific libgcc parts. 2007-11-20 18:11:07 +00:00
libgfortran re PR libfortran/33985 (access="stream",form="unformatted" doesn't buffer) 2007-12-02 23:17:16 +00:00
libgomp [multiple changes] 2007-11-29 15:34:21 +00:00
libiberty floatformat.c (floatformat_ibm_long_double_is_valid): Fix compiler warnings. 2007-11-13 00:37:43 +00:00
libjava configure.ac: Don't run config-ml.in directly. 2007-11-05 08:53:42 -08:00
libmudflap tls.m4 (GCC_CHECK_TLS): Rename have_tls to gcc_cv_have_tls. 2007-10-15 18:09:32 +00:00
libobjc configure.ac: Don't run config-ml.in directly. 2007-10-14 11:17:14 -07:00
libssp Regenerate aclocal.m4 in boehm-gc, libffi, libgfortran, libgomp, 2007-07-05 10:54:10 -07:00
libstdc++-v3 hashtable.cc: New. 2007-12-03 17:22:44 +00:00
maintainer-scripts gcc_release: Do not include copies of faq.html in releases... 2007-10-01 06:21:10 +00:00
zlib Regenerate aclocal.m4 in boehm-gc, libffi, libgfortran, libgomp, 2007-07-05 10:54:10 -07:00
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 config-ml.in: Remove 64bit configure tests. 2007-12-02 13:27:37 +00:00
ChangeLog.tree-ssa Merge tree-ssa-20020619-branch into mainline. 2004-05-13 02:41:07 -04:00
MAINTAINERS Add myself to Write After Approval. 2007-11-16 13:33:47 +00:00
Makefile.def Makefile.def (dependencies): Make configure-gdb depend on all-intl. 2007-10-23 15:53:18 +00:00
Makefile.in Makefile.def (dependencies): Make configure-gdb depend on all-intl. 2007-10-23 15:53:18 +00:00
Makefile.tpl Makefile.tpl (AR_FOR_BUILD, [...]): Use autoconf substitutions. 2007-10-01 07:15:42 +00:00
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 COPYING, [...]: Sync from upstream sources. 2005-07-14 01:08:13 +00:00
config-ml.in config-ml.in: Remove 64bit configure tests. 2007-12-02 13:27:37 +00:00
config.guess * config.sub, config.guess: Update from upstream sources. 2007-08-29 15:21:28 +00:00
config.rpath all files: Update FSF address. 2005-07-16 02:30:53 +00:00
config.sub * config.sub, config.guess: Update from upstream sources. 2007-08-29 15:21:28 +00:00
configure configure.ac (CFLAGS_FOR_BUILD, [...]): Default them to host flags only for $host = $build. 2007-10-08 09:29:55 +00:00
configure.ac configure.ac (CFLAGS_FOR_BUILD, [...]): Default them to host flags only for $host = $build. 2007-10-08 09:29:55 +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 libtool.m4 (LT_CMD_MAX_LEN): Try using getconf to set lt_cv_sys_max_cmd_len. 2007-06-01 11:32:07 +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 ltmain.sh: Update from ToT Libtool. 2007-05-24 16:37:27 +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.