[Patch, GAS] LDRA, LDRAB assembler mnemonic improvement

[Nick Clifton]

Hi Delia,

> gas/ChangeLog
> 2019-09-13  Delia Burduv  <Delia.Burduv@arm.com>
> 
>          * config/tc-aarch64.c (parse_address_main): Accept the omission 
> of the immediate
>          argument for ldraa and ldrab as a shorthand for the immediate 
> being 0.
>          * testsuite/gas/aarch64/ldraa-ldrab-no-offset.d: New test.
>          * testsuite/gas/aarch64/ldraa-ldrab-no-offset.s: New test.
>          * testsuite/gas/aarch64/illegal-ldraa.s: Modified to accept the 
> writeback
>          form with no offset.
>          * testsuite/gas/aarch64/illegal-ldraa.s: Removed missing offset 
> error.
> 
> opcodes/ChangeLog
> 2019-09-24  Delia Burduv   <delia.burduv@arm.com>
> 
>          * aarch64-opc.c (print_immediate_offset_address): Don't print 
> the immediate for
>          the writeback form of ldraa/ldrab if it is 0.
>          * aarch64-tbl.h: Updated the documentation for ADDR_SIMM10.
>          * aarch64-opc-2.c: Regenerated.

Approved and applied.

Cheers
  Nick