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Wei Guozhi 44cd681003 re PR target/53447 (missed optimization of 64bit ALU operation with small constant) 
PR target/53447
	* config/arm/arm-protos.h (const_ok_for_dimode_op): New prototype.
	* config/arm/arm.c (const_ok_for_dimode_op): New function.
	* config/arm/constraints.md (Dd): New constraint.
	* config/arm/predicates.md (arm_adddi_operand): New predicate.
	* config/arm/arm.md (adddi3): Extend it to handle constants.
	(arm_adddi3): Likewise.
	(addsi3_carryin_<optab>): Extend it to handle sbc case.
	(addsi3_carryin_alt2_<optab>): Likewise.
	* config/arm/neon.md (adddi3_neon): Extend it to handle constants.

	* gcc.target/arm/pr53447-1.c: New testcase.
	* gcc.target/arm/pr53447-2.c: New testcase.
	* gcc.target/arm/pr53447-3.c: New testcase.
	* gcc.target/arm/pr53447-4.c: New testcase.

From-SVN: r189102
 		2012-07-01 15:14:52 +00:00
INSTALL README: Update wrt. 2001-06-13 14:51:33 +00:00
boehm-gc Regenerate configure files for libtool.m4 change 2012-05-16 15:11:18 -07:00
config mt-sde: Fix typos. 2012-05-29 16:54:57 +01:00
contrib check_makefile_deps.sh: Look for c-common.o in c-family/. 2012-06-19 20:01:23 +00:00
fixincludes inclhack.def (aix_mutex_initializer_1): New fix. 2012-06-19 13:55:14 -04:00
gcc re PR target/53447 (missed optimization of 64bit ALU operation with small constant) 2012-07-01 15:14:52 +00:00
gnattools Remove obsolete IRIX 6.5 support 2012-03-14 16:33:37 +00:00
include * dwarf2.def (DW_OP): Add DW_OP_GNU_const_index. 2012-06-18 23:35:08 +00:00
intl Fix unportable shell quoting. 2010-09-27 20:19:41 +00:00
libada Makefile.in (GNATLIBCFLAGS_FOR_C): Remove $(PIC_FLAG_FOR_TARGET). 2012-06-11 15:24:12 +00:00
libatomic re PR other/53231 (libatomic/tas_n.c💯10: error: 'ret' undeclared (first use in this function)) 2012-05-22 23:54:32 +00:00
libcpp lex.c (search_line_sse42): Use __builtin_ia32_loaddqu and __builtin_ia32_pcmpestri128 instead of asm. 2012-06-19 18:28:50 +02:00
libdecnumber warnings.m4 (ACX_PROG_CC_WARNING_OPTS): Avoid leading dash in expr call. 2011-12-20 16:54:12 +00:00
libffi Regenerate configure files for libtool.m4 change 2012-05-16 15:11:18 -07:00
libgcc sfp-machine.h (FP_HANDLE_EXCEPTIONS): Use __builtin_expect when checking for exceptions. 2012-06-17 15:54:53 +02:00
libgfortran PR 39654 FTELL intrinsic function return type. 2012-06-21 21:47:01 +03:00
libgo gotest: Only look in data segment for ppc64, not ppc*. 2012-06-25 16:26:27 +00:00
libgomp * libgomp.texi: Include gpl_v3.texi instead of gpl.texi. 2012-06-28 09:01:38 +00:00
libiberty copying-lib.texi (Library Copying): Don't use @heading inside @enumerate. 2012-06-29 10:59:48 +00:00
libitm eh_cpp.cc: Fix __cxa_end_catch declaration. 2012-05-21 22:48:00 +00:00
libjava Fix typo. 2012-06-20 09:48:40 -04:00
libmudflap * mf-impl.h: Fix typo. 2012-05-29 20:21:05 +01:00
libobjc Regenerate configure files for libtool.m4 change 2012-05-16 15:11:18 -07:00
libquadmath re PR target/51007 (Quadmath I/O doesn't work on MinGW) 2012-05-31 18:51:27 +00:00
libssp re PR target/51007 (Quadmath I/O doesn't work on MinGW) 2012-05-31 18:51:27 +00:00
libstdc++-v3 c++config: Remove __regex nested namespace. 2012-06-28 07:50:34 +00:00
lto-plugin * lto-plugin.c: Fix typo. 2012-05-29 20:21:25 +01:00
maintainer-scripts crontab: Enable snapshots from gcc-4_7-branch. 2012-03-22 09:25:49 +00:00
zlib Regenerate configure files for libtool.m4 change 2012-05-16 15:11:18 -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
COPYING.RUNTIME Licensing changes to GPLv3 resp. GPLv3 with GCC Runtime Exception. 2009-04-09 17:00:19 +02:00
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 configure.ac: Skip C if explicitly selected. 2012-06-29 16:12:35 +00:00
ChangeLog.tree-ssa Merge tree-ssa-20020619-branch into mainline. 2004-05-13 02:41:07 -04:00
MAINTAINERS MAINTAINERS (Write After Approval): Update my email address. 2012-06-25 07:52:21 +00:00
Makefile.def Makefile.tpl (check-target-libgomp-c++): New. 2012-06-20 14:26:04 -04:00
Makefile.in Makefile.tpl (check-target-libgomp-c++): New. 2012-06-20 14:26:04 -04:00
Makefile.tpl Makefile.tpl (check-target-libgomp-c++): New. 2012-06-20 14:26:04 -04:00
README README: Refer to the various COPYING* files instead of just COPYING. 2009-10-10 20:59:49 +00:00
compile Update automake-provided files in the toplevel. 2009-08-22 11:47:16 +00:00
config-ml.in MAINTAINERS (crx port, [...]): Remove. 2011-03-22 19:58:18 +00:00
config.guess oops - omitted from previous delta. 2011-06-06 10:34:35 +00:00
config.rpath Remove freebsd1 from libtool.m4 macros and config.rpath. 2011-02-13 11:45:53 +00:00
config.sub Update config.sub to 2012-04-18 version from official repo. 2012-04-25 15:48:28 +00:00
configure configure.ac: Skip C if explicitly selected. 2012-06-29 16:12:35 +00:00
configure.ac configure.ac: Skip C if explicitly selected. 2012-06-29 16:12:35 +00:00
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 re PR bootstrap/31906 ("-Xcompiler" is inserted after "-Xlinker" when building libstdc++) 2007-09-20 10:20:05 +00:00
libtool.m4 Add x32 support to libtool.m4 2012-05-15 09:07:28 -07:00
ltgcc.m4 libtool.m4: Update to libtool 2.2.6. 2008-09-26 16:21:02 +00:00
ltmain.sh backport: ltmain.sh (relink): Use absolute path when hardcoding with -L. 2011-01-13 18:51:10 +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
missing Update automake-provided files in the toplevel. 2009-08-22 11:47:16 +00:00
mkdep merge with /cvs/src 2000-07-22 04:08:22 -04:00
mkinstalldirs Update automake-provided files in the toplevel. 2009-08-22 11:47:16 +00:00
move-if-change Import move-if-change script from gnulib. 2011-02-12 15:48:30 +00:00
symlink-tree COPYING, [...]: Sync from upstream sources. 2005-07-14 01:08:13 +00:00
ylwrap Update automake-provided files in the toplevel. 2009-08-22 11:47:16 +00:00

README 

This directory contains the GNU Compiler Collection (GCC).

The GNU Compiler Collection is free software.  See the files whose
names start with 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/ for how to report bugs usefully.