[PATCH] enhance register parsing in .cfi_* handling (v2)

[Nick Clifton]

Hi Jan,

  > gas/
> 2008-02-11  Jan Beulich  <jbeulich@novell.com>
> 	* config/tc-i386.c (allow_pseudo_reg): New.
> 	(parse_real_register): Check for NULL just once. Allow all
> 	register table entries when allow_pseudo_reg is non-zero.
> 	Don't allow any registers without type when allow_pseudo_reg
> 	is zero.
> 	(tc_x86_regname_to_dw2regnum): Replace with ...
> 	(tc_x86_parse_to_dw2regnum): ... this.
> 	(tc_x86_frame_initial_instructions): Adjust for above change.
> 	* config/tc-i386.h (tc_regname_to_dw2regnum): Remove.
> 	(tc_parse_to_dw2regnum): New.
> 	(tc_x86_regname_to_dw2regnum): Replace with ...
> 	(tc_x86_parse_to_dw2regnum): ... this.
> 	* dw2gencfi.c (tc_parse_to_dw2regnum): New, broken out of ...
> 	(cfi_parse_reg): ... this. Use tc_parse_to_dw2regnum. Adjust
> 	error handling.
> 
> gas/testsuite/
> 2008-02-11  Jan Beulich  <jbeulich@novell.com>
> 	* gas/cfi/cfi-i386.s: Add code testing use of all registers.
> 	Fix a few comments.
> 	* gas/cfi/cfi-x86_64.s: Likewise.
> 	* gas/cfi/cfi-i386.d, gas/cfi/cfi-x86_64.d: Adjust.
> 
> opcodes/
> 2008-02-11  Jan Beulich  <jbeulich@novell.com>
> 	* i386-gen.c (next_field): Allow optional (i.e. possibly blank)
> 	fields.
> 	(process_i386_registers): Process new (optional) fields.
> 	* i386-opc.h (reg_entry): Shrink reg_flags and reg_num to
> 	unsigned char. Add dw2_regnum.
> 	* i386-reg.tbl: Provide initializers for dw2_regnum for all
> 	registers known in Dwarf2. Add pseudo register names for
> 	backward compatibility.
> 	* i386-tbl.h: Re-generate.

Approved - please apply.

Cheers
   Nick