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e8cb487384
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Richard Henderson e8cb487384 loop.c (strength_reduce): Call check_ext_dependant_givs. 
* loop.c (strength_reduce): Call check_ext_dependant_givs.
        Properly extend the biv initial value for the giv.
        (record_biv): Zero ext_dependant.
        (record_giv): New argument ext_val.  Update all callers.
        (general_induction_var): Likewise.
        (consec_sets_giv): Likewise.
        (simplify_giv_expr): Likewise.  Fill in ext_val if we find
        a sign-extend, zero-extend, or truncate.
        (combine_givs_p): Make sure modes are compatible.
        (check_ext_dependant_givs): New.
        (extend_value_for_giv): New.
        * loop.h (struct induction): Add ext_dependant.
        * unroll.c (iteration_info): Extend the biv initial value for the giv.
        (find_splittable_givs): Likewise.
        (final_giv_value): Likewise.

From-SVN: r36250
2000-09-07 15:26:37 -07:00
boehm-gc re GNATS libgcj/230 (Function GC_debug_object_start does not exist) 2000-09-04 21:46:26 +00:00
config mh-djgpp: Conditionally set 'target_alias' to djgpp. 2000-08-04 10:17:37 -06:00
contrib gcc_update: Execute touch_files_reexec even if cvs update failed. 2000-08-30 21:56:42 +00:00
etc * standards.texi, make-stds.texi: Update to FSF version of May 13. 2000-05-18 07:17:15 +00:00
gcc loop.c (strength_reduce): Call check_ext_dependant_givs. 2000-09-07 15:26:37 -07:00
include John David Anglin <dave@hiauly1.hia.nrc.ca> 2000-09-05 23:10:12 -07:00
INSTALL More mail address and web address updates. 1999-08-09 00:48:10 -06:00
libchill Makefile.in (STROBJS): Get memmove.o from configure. 2000-05-31 16:54:07 -07:00
libf2c Daily bump. 2000-09-07 01:45:08 -06:00
libffi configure.in [...] (TARGET, TARGETDIR): Set. 2000-08-24 01:01:57 +00:00
libiberty * md5.c: #include "ansidecl.h". 2000-09-07 14:38:43 -04:00
libio Move statement-tree facilities from C++ to C front-end. 2000-09-07 01:36:11 +00:00
libjava Makefile.am (Thread.h): Don't be friends with native threads functions. 2000-09-07 13:09:41 +01:00
libobjc Move statement-tree facilities from C++ to C front-end. 2000-09-07 01:36:11 +00:00
libstdc++ bitset (bitset::_M_is_any): Don't use __BITSET_WORDS macro on _Nw since _Nw is already the number of words... 2000-08-22 13:24:01 -06:00
libstdc++-v3 stl_tree.h: Make operators !=, == type safe for map, set. 2000-09-07 21:08:59 +00:00
texinfo dummy checkin to prevent merge lossage 1999-09-04 09:09:22 -06:00
zlib configure.in (multilib): Enable by default only for target. 2000-09-06 19:13:01 +00:00
.cvsignore merge with /cvs/src 2000-07-22 04:08:22 -04:00
ChangeLog * Makefile.in (all-zlib): Added dummy target. 2000-09-06 18:58:34 +00:00
config-ml.in config-ml.in (CC, CXX): Avoid trailing whitespace. 2000-08-22 05:02:48 +00:00
config.guess Checked in for recognition of x86_64 2000-09-05 10:33:51 +00:00
config.if config.if: Tweak. 2000-05-02 00:51:59 +00:00
config.sub Checked in for recognition of x86_64 2000-09-05 10:33:51 +00:00
configure top level: 2000-08-14 18:08:46 +00:00
configure.in Configure changes required for zlib. 2000-09-03 21:09:10 +00:00
COPYING Initial revision 1997-08-21 18:57:35 -04:00
COPYING.LIB Update address. 1998-02-23 14:57:23 -07:00
djunpack.bat merge with /cvs/src 2000-07-22 04:08:22 -04:00
install-sh Final changes from devo<->egcs merge. 1998-10-12 04:44:57 -06:00
libtool.m4 ltconfig, [...]: Updated from libtool multi-language branch. 2000-09-06 13:59:29 +00:00
ltcf-c.sh ltconfig, [...]: Updated from libtool multi-language branch. 2000-09-06 13:59:29 +00:00
ltcf-cxx.sh ltconfig, [...]: Updated from libtool multi-language branch. 2000-09-06 13:59:29 +00:00
ltcf-gcj.sh ltconfig, [...]: Updated from libtool multi-language branch. 2000-09-06 13:59:29 +00:00
ltconfig ltconfig, [...]: Updated from libtool multi-language branch. 2000-09-06 13:59:29 +00:00
ltmain.sh ltconfig, [...]: Updated from libtool multi-language branch. 2000-09-06 13:59:29 +00:00
MAINTAINERS MAINTAINERS: Add self to Write After Approval list. 2000-08-30 20:40:25 +00:00
Makefile.in * Makefile.in (all-zlib): Added dummy target. 2000-09-06 18:58:34 +00:00
missing merge with /cvs/src 2000-07-22 04:08:22 -04:00
mkdep merge with /cvs/src 2000-07-22 04:08:22 -04:00
mkinstalldirs Initial revision 1997-08-21 18:57:35 -04:00
move-if-change FSF address fix in copyright header. 1999-01-11 07:12:18 -07:00
README README: Remove installation instructions and refer to the INSTALL directory instead. 1998-10-02 09:22:08 +00:00
symlink-tree * symlink-tree: Check number of arguments. 2000-07-07 07:18:48 -06:00
ylwrap ylwrap: Change absolute path checks to check for DOS style path names. 1998-10-08 17:26:54 -06:00

README 

		   README for GNU development tools

This directory contains various GNU compilers, assemblers, linkers, 
debuggers, etc., plus their support routines, definitions, and documentation.


Check the INSTALL directory for detailed configuration and installation
instructions.


Much of the code and documentation enclosed is copyright by
the Free Software Foundation, Inc.  See the file COPYING or
COPYING.LIB in the various directories, for a description of the
GNU General Public License terms under which you can copy the files.

REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info
on where and how to report problems.