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Joseph Myers 8521c41417 re PR target/24036 ([e500] ICE in subreg_offset_representable_p, at rtlanal.c:3143) 
2006-12-01  Joseph Myers  <joseph@codesourcery.com>
            David Edelsohn  <edelsohn@gnu.org>

	PR target/24036
	* doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
	HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
	* defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
	HARD_REGNO_NREGS_WITH_PADDING): Define.
	* config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
	HARD_REGNO_NREGS_WITH_PADDING): Define.
	* rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
	Use new macros to detect modes with holes; do not look at integer
	units.
	(subreg_offset_representable_p): Check for and disallow cases
	where the modes use different numbers of bits from registers.
	* config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
	constant for soft-float.
	(rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
	containing doubles.
	(rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
	in E500 double case.
	* config/rs6000/rs6000.md (movtf): Allow soft-float.
	(movtf_softfloat): New.

Co-Authored-By: David Edelsohn <edelsohn@gnu.org>

From-SVN: r119395
2006-12-01 02:25:22 +00:00
boehm-gc re PR boehm-gc/29180 (boehm-gc/darwin_stop_world.c not 64-bit clean) 2006-09-26 17:21:32 +00:00
config * tls.m4 (GCC_CHECK_TLS): Fall back to a link test. 2006-11-13 20:35:20 +00:00
contrib * compareSumTests3: POD syntax fix. 2006-09-28 02:03:46 +00:00
fixincludes inclhack.def (glibc_c99_inline_2): Adjust for glibc 2.3 systems. 2006-11-07 17:34:40 +00:00
gcc re PR target/24036 ([e500] ICE in subreg_offset_representable_p, at rtlanal.c:3143) 2006-12-01 02:25:22 +00:00
gnattools --(top level)-------------------------------------------- 2006-10-10 16:48:09 -07:00
include re PR driver/29931 (following argv[0] symlink in process_command breaks symlinked-together toolchain) 2006-11-30 17:05:45 +00:00
INSTALL
intl Makefile.in (distclean): Delete config files. 2006-09-27 18:51:52 +09:30
libada re PR ada/29802 (wrong directory in makefile for ada and libada when srcdir=.) 2006-11-17 10:31:47 +00:00
libcpp Formatting fixes. 2006-11-21 13:22:40 +11:00
libdecnumber decRound.c: Move declarations to new file, update comments. 2006-11-29 18:34:56 +00:00
libffi Fix date on ChangeLog entry 2006-11-01 05:42:01 +00:00
libgfortran Makefile.am: Remove intrinsics/erf.c and intrinsics/bessel.c. 2006-11-25 17:22:53 +00:00
libgomp * tls.m4 (GCC_CHECK_TLS): Fall back to a link test. 2006-11-13 20:35:20 +00:00
libiberty re PR driver/29931 (following argv[0] symlink in process_command breaks symlinked-together toolchain) 2006-11-30 17:05:45 +00:00
libjava locks.h: Enable use of either file on either target to support multilibs from one to the... 2006-11-28 06:05:25 +00:00
libmudflap * tls.m4 (GCC_CHECK_TLS): Fall back to a link test. 2006-11-13 20:35:20 +00:00
libobjc In gcc/: PR 23067 2006-11-01 05:28:41 +00:00
libssp Index: config/ChangeLog 2006-10-15 07:42:57 +00:00
libstdc++-v3 throw_allocator.h: Consistent @file markup. 2006-11-29 20:59:22 +00:00
maintainer-scripts * crontab: Add 4.2 branch. Set trunk to 4.3. 2006-10-21 03:15:08 +00:00
zlib Makefile.am: Add html and install-html stubs. 2006-06-13 21:15:06 +00:00
ABOUT-NLS
ChangeLog Checkin ChangeLogs from previous checkin. 2006-11-27 00:23:24 +00:00
ChangeLog.tree-ssa
compile COPYING, [...]: Sync from upstream sources. 2005-07-14 01:08:13 +00:00
config-ml.in config-ml.in: Alter CCASFLAGS to include special multilib options the same as is done for CFLAGS. 2006-06-13 16:48:23 -04:00
config.guess config.guess: Import latest version. 2006-10-16 13:27:17 +10:00
config.rpath all files: Update FSF address. 2005-07-16 02:30:53 +00:00
config.sub config.guess: Import latest version. 2006-10-16 13:27:17 +10:00
configure configure.in (--with-mpfr-dir, [...]): Remove flags. 2006-11-26 22:37:33 +00:00
configure.in configure.in (--with-mpfr-dir, [...]): Remove flags. 2006-11-26 22:37:33 +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
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 libtool-ldflags: New script. 2006-01-03 00:30:27 +00:00
libtool.m4 all files: Update FSF address. 2005-07-16 02:30:53 +00:00
ltcf-c.sh ltcf-c.sh (whole_archive_flag_spec): Remove '-all_load $convenience' to match upstream libtool for darwin. 2005-11-18 23:53:08 +01:00
ltcf-cxx.sh all files: Update FSF address. 2005-07-16 02:30:53 +00:00
ltcf-gcj.sh all files: Update FSF address. 2005-07-16 02:30:53 +00:00
ltconfig ltconfig: chmod 644 before ranlib during install. 2006-07-04 20:20:01 +00:00
ltmain.sh Port to hosts whose 'sort' and 'tail' implementations treat operands with leading '+' as file names... 2006-07-06 23:24:51 +00:00
MAINTAINERS MAINTAINERS (Write After Approval): Change my email address. 2006-11-25 11:08:22 -08:00
Makefile.def --(top level)-------------------------------------------- 2006-10-10 16:48:09 -07:00
Makefile.in re PR ada/29802 (wrong directory in makefile for ada and libada when srcdir=.) 2006-11-17 10:31:47 +00:00
Makefile.tpl re PR ada/29802 (wrong directory in makefile for ada and libada when srcdir=.) 2006-11-17 10:31:47 +00:00
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
README
README.SCO * README.SCO: Update the URL. 2005-05-08 17:49:46 +00:00
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.