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Re: [Patch, microblaze]: Enable DWARF exception handling support


On 03/18/2013 05:47 AM, David Holsgrove wrote:
Add DWARF exception handling support for MicroBlaze.

Changelog

2013-03-18  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
             David Holsgrove <david.holsgrove@xilinx.com>

  * common/config/microblaze/microblaze-common.c: Remove
    TARGET_EXCEPT_UNWIND_INFO definition.
  * config/microblaze/microblaze-protos.h: Add microblaze_eh_return prototype.
  * gcc/config/microblaze/microblaze.c: (microblaze_must_save_register,
    microblaze_expand_epilogue, microblaze_return_addr): Handle
    calls_eh_return
    (microblaze_eh_return): New function.
  * gcc/config/microblaze/microblaze.h: Define RETURN_ADDR_OFFSET,
    EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX,
    ASM_PREFERRED_EH_DATA_FORMAT
  * gcc/config/microblaze/microblaze.md: Define eh_return pattern.

Hi David --

I see about 50 more failures (an increase from 137 to 189) in the g++
regression tests after applying this patch.  I haven't looked at the
failures in detail.


--
Michael Eager	 eager@eagercon.com
1960 Park Blvd., Palo Alto, CA 94306  650-325-8077


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