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J"orn Rennecke 9f09b1f272 Makefile.in (lcm.o): Depend on insn-attr.h. 
* Makefile.in (lcm.o): Depend on insn-attr.h.
	* basic-block.h (optimize_mode_switching): Declare.
	* lcm.c (tm_p.h, insn-attr.h): #include.
	(seginfo, bb_info): New structs.
	(antic, transp, comp, delete, insert) : New file-scope static variables.
	(new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
	(reg_becomes_live, optimize_mode_switching): Likewise.
	* tm.texi: Add description of mode switching macros.
	* toplev.c (rest_of_compilation): Call optimize_mode_switching.

	* sh-protos.h (remove_dead_before_cse): Remove prototype.
	(fldi_ok, fpscr_set_from_mem): New prototypes.
	* sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
	(CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
	Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
	(sh_flag_remove_dead_before_cse): Remove declaration.
	(NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
	(MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
	(MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
	* sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
	(barrier_align): Allow for JUMP_INSNS containing a parallel.
	(machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
	(fldi_ok): New function.
	(get_fpscr_rtx): Add fpscr_rtx as GC root.
	(emit_sf_insn): Only generate fpu switches when optimize < 1.
	(emit_df_insn): Likewise.
	(expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
	(sh_flag_remove_dead_before_cse): Delete.
	(get_free_reg, fpscr_set_from_mem): New functions.
	* sh.md (movdf, movsf): Remove no_new_pseudos code.
	(return): Remove emit_fpscr_use / remove_dead_before_cse calls.

Co-Authored-By: Andrew MacLeod <amacleod@cygnus.com>

From-SVN: r31990
2000-02-15 22:34:33 +00:00
boehm-gc gc.h (dlopen): Define as GC_dlopen on Linux. 2000-02-14 21:53:27 +00:00
config configure.in: Use mt-aix43 to handle *_TARGET defs, not mh-aix43. 2000-01-10 18:33:55 +00:00
contrib newcvsroot: Add check on the number of command-line arguments. 1999-12-18 14:34:56 +00:00
etc * configure.in: Use AC_PREREQ(2.12.1). 1998-11-23 13:51:40 +00:00
gcc Makefile.in (lcm.o): Depend on insn-attr.h. 2000-02-15 22:34:33 +00:00
include symcat.h (STRINGX): Change "?" to "s" to stringify argument s. 2000-01-01 17:26:13 +00:00
INSTALL More mail address and web address updates. 1999-08-09 00:48:10 -06:00
libchill Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au> 1999-10-27 01:14:18 -07:00
libf2c Daily bump. 2000-02-15 01:45:08 -07:00
libffi * Makefile.in: Rebuilt with newer automake. 2000-01-04 23:06:17 +00:00
libiberty pexecute.c: Conditionally include string.h. 2000-01-04 21:09:51 +00:00
libio fstream.h (ifstream::ifstream): Add ios::in to mode. 2000-01-28 09:55:33 +00:00
libjava jni.cc (_Jv_JNI_AttachCurrentThread): Return error if malloc fails. 2000-02-15 20:39:36 +00:00
libobjc Fixed deallocation of a mutex in thr-single.c (patch from Chris Ball <cball@fmco.com>). 1999-09-29 00:37:49 +00:00
libstdc++ stl_iterator.h: Make it possible to use standard class `iterator'. 2000-01-24 11:25:23 +00:00
texinfo dummy checkin to prevent merge lossage 1999-09-04 09:09:22 -06:00
zlib configure: Rebuilt. 1999-10-04 22:08:42 +00:00
.cvsignore * .cvsignore (*-install): Remove. 1997-09-04 09:49:02 -06:00
ChangeLog Add maintainers for MCore port. 2000-02-14 22:54:41 +00:00
config-ml.in config-ml.in (sparc*-*-*): Disable sparcv9 support if the necessary libraries are missing. 1999-11-23 00:57:06 -07:00
config.guess config.guess (alpha-osf, [...]): Detect ev67. 1999-12-14 08:10:58 -08:00
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: Add mmix-knuth-mmixware. 2000-02-01 10:45:12 +00:00
configure * configure: Fix quoting inside arguments of eval. 1999-10-25 23:47:42 -06:00
configure.in * configure.in: Fix typo in last change. 2000-01-13 01:00:59 +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
install-sh Final changes from devo<->egcs merge. 1998-10-12 04:44:57 -06:00
ltconfig * ltconfig, ltmain.sh: Update to libtool 1.2f. 1999-06-21 20:36:09 -06:00
ltmain.sh * ltconfig, ltmain.sh: Update to libtool 1.2f. 1999-06-21 20:36:09 -06:00
MAINTAINERS Add maintainers for MCore port. 2000-02-14 22:54:41 +00:00
Makefile.in Makefile.in (CXX_FOR_TARGET): Use g++, not xgcc, to invoke the C++ compiler. 2000-01-24 21:02:27 +00:00
missing missing: Update to version from automake 1.3. 1998-10-08 17:28:38 -06:00
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 Initial revision 1997-08-21 18:57:35 -04:00
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.