[Bug target/9929] [3.3/3.4 regression] Can't find spill register in GENERAL_REGS

["cvs-commit at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9929



------- Additional Comments From cvs-commit at gcc dot gnu dot org  2003-08-27 16:41 -------
Subject: Bug 9929

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	hammer-3_3-branch
Changes by:	hubicka@gcc.gnu.org	2003-08-27 16:41:02

Modified files:
	gcc            : ChangeLog.hammer Makefile.in flow.c gccbug.in 
	                 reload.c 
	gcc/config/i386: i386.c i386.h 

Log message:
	Backport from SuSE local:
	Tue Mar 18 19:06:18 CET 2003  Jan Hubicka  <jh@suse.cz>
	* i386.c (use_fast_prologue_epilogue): Remove.
	(machine_function): New fields use_fast_prologue_epilogue;
	use_fast_prologue_epilogue_initialized.
	(ix86_frame): New field save_regs-using_mov;
	(ix86_compute_frame_layout):  Decide on fast prologues;
	allocate saved registers in red zone.
	(ix86_expand_epilogue, ix86_expand_prolgoues): Obey new parameters.
	Mon Mar  3 12:01:16 CET 2003  Jan Hubicka  <jh@suse.cz>
	* i386.c (classify_argument): Obey MUST_PASS_IN_STACK.
	* i386.h (MUST_PASS_IN_STACK): Use default_must_pass_in_stack
	for x86-64.
	
	Mon Apr 21 15:13:51 CEST 2003  Jan Hubicka  <jh@suse.cz>
	* reload.c (find_valid_class):  Allow fixed registers to refuse
	the mode; compute real amount of choices to allocate given register.
	
	Sun Apr  6 17:43:49 CEST 2003  Jan Hubicka  <jh@suse.cz>
	PR target/9929
	* reload.c (find_reloads_toplev):  Remove now redundant alternative
	(find_reloads_address_1): Synchronize handling of subregs with
	find_reloads_toplev;  Always reload whole subreg when the inner
	value requires more registers.
	
	Zdenek Dvorak
	* flow.c (MAX_LIVENESS_ROUNDS): New.
	(calculate_global_regs_live): Guarantee that liveness updating will
	terminate.
	(update_life_info_in_dirty_blocks): Remove hack that masked the bug.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.hammer.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.1.2.179&r2=1.1.2.180
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/Makefile.in.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.955.2.24&r2=1.955.2.25
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/flow.c.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.540.2.5&r2=1.540.2.6
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gccbug.in.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.15.28.1&r2=1.15.28.2
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/reload.c.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.197.2.8&r2=1.197.2.9
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.c.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.490.2.48&r2=1.490.2.49
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.h.diff?cvsroot=gcc&only_with_tag=hammer-3_3-branch&r1=1.305.2.17&r2=1.305.2.18