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3ec2b59097
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J"orn Rennecke 3ec2b59097 rtl.h (insn_first_p): Declare. 
* rtl.h (insn_first_p): Declare.
	* rtlanal.c (insn_first_p): New function.
	* loop.h (varray.h): Include.
	(struct induction): Change combined_with to unsigned.
	New members derived, ix and last_use.
	(reg_iv_type, reg_iv_info): Now varray_type.  All references changed.
	(REG_IV_TYPE, REG_IV_INFO): Define.
	(first_increment_giv, last_increment_giv): Declare.
	* loop.c (loop_number_loop_cont): New static variable.
	(loop_number_cont_dominator): Likewise.
	(reg_iv_type, reg_iv_info): Now varray_type.
	(first_increment_giv, last_increment_giv): New variables.
	(compute_luids, verify_dominator, find_life_end): New functions.
	(cmp_recombine_givs_stats, recombine_givs): Likewise.
	(loop_optimize): Allocate loop_number_loop_cont and
	loop_number_cont_dominator.  Use compute_luids.
	(find_and_verify_loops): Initialize loop_number_loop_cont and
	loop_number_cont_dominator.
	(strength_reduce): Try to find bivs that can be expressed as givs
	of another biv, and to convert biv increments into givs.
	Call recombine_givs.  Handle derived givs.
	(record_biv): New argument location.  All callers changed.
	(record_giv): Initialize derived and last_use fields.
	(basic_induction_var): New argument location.  All callers changed.
	(combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
	Increment combined_with instead of setting to 1.
	* unroll.c (derived_regs): New static variable.
	(unroll_loop): Initialize it.
	Allocate local_regno according to max_reg_num.
	(copy_loop_body): Cope with derived givs.
	(find_splittable_givs): Check for Givs made from biv increments.
	Set derived_regs for givs.
	* Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .

From-SVN: r24889
1999-01-27 15:45:50 +00:00
config mh-cygwin32: delete 1998-11-10 18:41:12 -07:00
contrib egcs_update: Use "if" instead of "&&". 1999-01-25 14:10:10 +00:00
etc * configure.in: Use AC_PREREQ(2.12.1). 1998-11-23 13:51:40 +00:00
gcc rtl.h (insn_first_p): Declare. 1999-01-27 15:45:50 +00:00
include Update FSF address in copyright header. 1999-01-11 06:53:51 -07:00
INSTALL
libchill Makefile.in: Fix typos in previous change. 1999-01-19 05:16:20 +00:00
libf2c datetime_.c (G77_date_and_time_0): Return milliseconds as such, not as microseconds. 1999-01-15 06:36:01 +00:00
libiberty * cplus-dem.c (mop_up): Set work->previous_argument to NULL after freeing it. 1999-01-14 12:09:46 +00:00
libio More FSF address updates. 1999-01-11 06:43:27 -07:00
libobjc Merge in gcc2 snapshot 19980929. See gcc/ChangeLog and gcc/FSFChangeLog for 1999-01-26 18:43:17 -07:00
libstdc++ Update. 1999-01-20 18:05:11 +00:00
texinfo Makefile.am (SUBDIRS): Include util again in order to generate install-info. 1999-01-21 10:39:11 +00:00
.cvsignore
ChangeLog * config.sub: Clean up handling of hppa2.0. 1998-12-22 16:23:33 -07:00
config-ml.in config-ml.in: Default to being verbose, to match Feb 18 change to configure. 1998-10-08 17:34:45 -06:00
config.guess * config.guess: Use C code to identify more HP machines. 1998-12-22 15:58:25 -07:00
config.if config.if (cxx_interface, [...]): Do not try to set these if the appropriate directories and files to not exist. 1998-10-18 11:37:10 -06:00
config.sub * config.sub: Clean up handling of hppa2.0. 1998-12-22 16:23:33 -07:00
configure configure (skip-this-dir): Add handling for new shell script... 1998-11-26 01:48:34 +00:00
configure.in * configure.in: Fix merge typo. 1998-10-13 15:59:52 -06:00
COPYING
COPYING.LIB
install-sh Final changes from devo<->egcs merge. 1998-10-12 04:44:57 -06:00
ltconfig Various libtool updates from devo, including update to libtool 1.2b 1998-10-08 17:32:31 -06:00
ltmain.sh Various libtool updates from devo, including update to libtool 1.2b 1998-10-08 17:32:31 -06:00
MAINTAINERS Added myself, as instructed 1999-01-17 16:35:21 +00:00
Makefile.in configure (skip-this-dir): Add handling for new shell script... 1998-11-26 01:48:34 +00:00
missing missing: Update to version from automake 1.3. 1998-10-08 17:28:38 -06:00
mkinstalldirs
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
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.