[Bug target/11535] __builtin_return_address may not work on ia64

[cvs-commit at gcc dot gnu dot org]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11535



------- Additional Comments From cvs-commit at gcc dot gnu dot org  2003-08-08 23:50 -------
Subject: Bug 11535

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rth@gcc.gnu.org	2003-08-08 23:49:57

Modified files:
	gcc/config/ia64: ia64-protos.h ia64.c ia64.h ia64.md 

Log message:
	PR target/11535
	* config/ia64/ia64.c (ia64_initial_elimination_offset): Remove
	RETURN_ADDRESS_POINTER_REGNUM.
	(ia64_expand_prologue): Don't frob it.
	(ia64_output_function_epilogue): Likewise.
	(ia64_return_addr_rtx): New.
	(ia64_split_return_addr_rtx): New.
	* config/ia64/ia64-protos.h: Update.
	* config/ia64/ia64.h (FIRST_PSEUDO_REGISTER): Decrement.
	(RETURN_ADDRESS_POINTER_REGNUM): Remove.
	(GENERAL_REGNO_P): Don't check it.
	(AR_*_REGNUM): Renumber.
	(FIXED_REGISTERS): Remove RETURN_ADDRESS_POINTER_REGNUM.
	(CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS): Likewise.
	(REG_ALLOC_ORDER, REG_CLASS_CONTENTS): Likewise.
	(ELIMINABLE_REGS, REGISTER_NAMES): Likewise.
	(RETURN_ADDR_RTX): Use ia64_return_addr_rtx.
	* config/ia64/ia64.md (UNSPEC_RET_ADDR): New.
	(movdi_ret_addr): New.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/ia64/ia64-protos.h.diff?cvsroot=gcc&r1=1.59&r2=1.60
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/ia64/ia64.c.diff?cvsroot=gcc&r1=1.238&r2=1.239
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/ia64/ia64.h.diff?cvsroot=gcc&r1=1.155&r2=1.156
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/ia64/ia64.md.diff?cvsroot=gcc&r1=1.110&r2=1.111