gcc/gcc ChangeLog config/xtensa/xtensa-protos. ...

[bwilson at gcc dot gnu dot org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	bwilson@gcc.gnu.org	2004-02-10 01:35:53

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

Log message:
	* config/xtensa/xtensa-protos.h (xtensa_copy_incoming_a7): Update.
	(init_cumulative_args): Likewise.
	(a7_overlap_mentioned_p): Delete prototype.
	* config/xtensa/xtensa.c (struct machine_function): Replace
	incoming_a7_copied field with need_a7_copy and vararg_a7 flags.
	Add set_frame_ptr_insn field.
	(xtensa_emit_move_sequence): Update call to xtensa_copy_incoming_a7.
	(xtensa_copy_incoming_a7): Rewrite to check need_a7_copy flag and check
	if the operand is an argument in a7.  If so, copy a7 to a new pseudo
	at the function entry and replace the operand with the pseudo.
	(init_cumulative_args): Remove unused arguments.  Add new "incoming"
	argument and record this flag in CUMULATIVE_ARGS.
	(function_arg): Remove result_mode and special-case code to handle
	arguments in a7.  Instead, set need_a7_copy flag when there is an
	incoming argument in a7.
	(xtensa_expand_prologue): Remove code to search for set_frame_ptr insn
	and use the value recorded in cfun->machine->set_frame_ptr_insn.
	(xtensa_builtin_saveregs): Check for negative gp_left value.  Set
	need_a7_copy and vararg_a7 flags.  Use move_block_from_reg instead of
	special-case code.
	(a7_overlap_mentioned_p): Delete.
	* config/xtensa/xtensa.h (CUMULATIVE_ARGS): Add "incoming" flag.
	(INIT_CUMULATIVE_ARGS, INIT_CUMULATIVE_INCOMING_ARGS): Remove useless
	arguments to init_cumulative_args and pass "incoming" flag instead.
	(BLOCK_REG_PADDING): Delete.
	* config/xtensa/xtensa.md (movdi, movsf, movdf): Remove unnecessary
	checks for reload_in_progress and reload_completed.  Update calls to
	xtensa_copy_incoming_a7.
	(ashlsi3): Rename existing insn to ashlsi3_internal.  Add expander
	to call xtensa_copy_incoming_a7.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.2724&r2=2.2725
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/xtensa/xtensa-protos.h.diff?cvsroot=gcc&r1=1.15&r2=1.16
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/xtensa/xtensa.c.diff?cvsroot=gcc&r1=1.50&r2=1.51
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/xtensa/xtensa.h.diff?cvsroot=gcc&r1=1.50&r2=1.51
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/xtensa/xtensa.md.diff?cvsroot=gcc&r1=1.17&r2=1.18