[ARC] Fix support for double assist instructions.
opcodes/
2016-04-05 Claudiu Zissulescu <claziss@synopsys.com>
* arc-regs.h: Add a new subclass field. Add double assist
accumulator register values.
* arc-tbl.h: Use DPA subclass to mark the double assist
instructions. Use DPX/SPX subclas to mark the FPX instructions.
* arc-opc.c (RSP): Define instead of SP.
(arc_aux_regs): Add the subclass field.
include/
2016-04-05 Claudiu Zissulescu <claziss@synopsys.com>
* opcode/arc.h (DPA, DPX, SPX): New subclass enums.
(ARC_FPUDA): Define.
(arc_aux_reg): Add new field.
gas/
2016-04-05 Claudiu Zissulescu <claziss@synopsys.com>
* config/tc-arc.c (is_code_density_p): Compare directly the
subclass field.
(is_spfp_p, is_dpfp_p, is_spfp_p): Define.
(check_cpu_feature): New function.
(find_opcode_match): Use check_cpu_feature function.
(preprocess_operands): Likewise.
(md_parse_option): Use mfpuda, mdpfp, mspfp options.
* testsuite/gas/arc/tdpfp.d: New file.
* testsuite/gas/arc/tfpuda.d: Likewise.
* testsuite/gas/arc/tfpx.s: Likewise.
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