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gcc/gcc ChangeLog config/s390/s390-protos.h co ...


CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	uweigand@gcc.gnu.org	2004-06-27 15:31:53

Modified files:
	gcc            : ChangeLog 
	gcc/config/s390: s390-protos.h s390.c s390.md 

Log message:
	* config/s390/s390-protos.h (s390_load_got): Update prototype.
	* config/s390/s390.c (struct machine_function): Add member base_reg.
	(s390_decompose_address): Accept UNSPEC_LTREF.  Simplify logic.
	(s390_split_branches): Annotate late pool references.
	(annotate_constant_pool_refs): New function.
	(find_constant_pool_ref): Work on annotated pool references.
	(replace_constant_pool_ref): Likewise.  Use explicit base.
	(replace_ltrel_base): Use explicit base.
	(s390_mainpool_start): Reflect main_pool pattern change.
	(s390_mainpool_finish): Use base register from main_pool.
	Update calls to replace_ltrel_base and replace_constant_pool_ref.
	(s390_chunkify_start): Use base_reg from struct machine_function.
	(s390_chunkify_finish): Remove base_reg argument.  Update calls
	to replace_ltrel_base and replace_constant_pool_ref.
	(s390_reorg): Don't decide upon base register.  Update calls.
	(s390_load_got): Remove MAYBE_DEAD handling.  Do not emit insns
	but return sequence instead.
	(s390_emit_prologue): Decide upon base register to use.  Annotate
	all literal pool references.  Adapt to main_pool pattern change.
	Update s390_load_got call; move MAYBE_DEAD handling here.
	(s390_emit_epilogue): Annotate late literal pool references.
	Remove barrier before register restore instruction.
	* config/s390/s390.md (UNSPEC_LTREF): New constant.
	("builtin_setjmp_receiver"): Update s390_load_got call.
	("main_pool"): Explicitly reference base register.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.4162&r2=2.4163
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/s390/s390-protos.h.diff?cvsroot=gcc&r1=1.49&r2=1.50
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/s390/s390.c.diff?cvsroot=gcc&r1=1.153&r2=1.154
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/s390/s390.md.diff?cvsroot=gcc&r1=1.113&r2=1.114


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