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46327bc509
* libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
(__throw): Don't pass the address of a label.
* config/ia64/ia64.c (ia64_compute_frame_size): Use
current_function_is_leaf.
(ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
instead of reg_names[RETURN_ADDRESS_REGNUM].
(ia64_init_machine_status): Reset return_address_pointer_rtx.
* config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
from RETURN_ADDRESS_REGNUM. Update all uses.
(RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
zero instead of null on failure.
(ELIMINABLE_REGS): Add ra->b0 elimination.
(CAN_ELIMINATE): Update accordingly.
(INITIAL_ELIMINATION_OFFSET): Likewise.
(REGISTER_NAMES): Use an illegal assembler name for
RETURN_ADDRESS_POINTER_REGNUM.
From-SVN: r34531
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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.