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[ARC] Provide an interface to decode ARC instructions.

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gas/
2017-02-06  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/tc-arc.c (parse_opcode_flags): Ignore implicit flags.

include/
2017-02-06  Claudiu Zissulescu  <claziss@synopsys.com>
	    Anton Kolesov  <anton.kolesov@synopsys.com>

	* opcode/arc.h (insn_class_t): Add ENTER, LEAVE, POP, PUSH, BBIT0,
	BBIT1, BI, BIH, BRCC, EI, JLI, and SUB instruction classes.
	(flag_class_t): Add F_CLASS_WB, F_CLASS_ZZ, and F_CLASS_IMPLICIT
	flag classes.

opcode/
2017-02-06  Claudiu Zissulescu  <claziss@synopsys.com>
	    Anton Kolesov  <anton.kolesov@synopsys.com>

	* arc-dis.c (arc_disassemble_info): New structure.
	(init_arc_disasm_info): New function.
	(find_format_from_table): Ignore implicit flags.
	(find_format): Update dissassembler private data.
	(print_flags): Likewise.
	(print_insn_arc): Likewise.
	(arc_opcode_to_insn_type): Consider the new added instruction
	classes.
	(arcAnalyzeInstr): Remove.
	(arc_insn_decode): New function.
	* arc-dis.h (arc_ldst_writeback_mode): New enum.
	(arc_ldst_data_size): Likewise.
	(arc_condition_code): Likewise.
	(arc_operand_kind): Likewise.
	(arc_insn_kind): New struct.
	(arc_instruction): Likewise.
	(arc_insn_decode): Declare function.
	(ARC_Debugger_OperandType): Deleted.
	(Flow): Likewise.
	(NullifyMode): Likewise.
	(allOperandsSize): Likewise.
	(arcDisState): Likewise.
	(arcAnalyzeInstr): Likewise.
	* arc-dis.c (arc_opcode_to_insn_type): Handle newly introduced
	insn_class_t enums.
	* arc-opc.c (F_SIZED): New define.
	(C_CC_EQ, C_CC_GE, C_CC_GT, C_CC_HI, C_CC_HS): Likewise.
	(C_CC_LE, C_CC_LO, C_CC_LS, C_CC_LT, C_CC_NE): Likewise.
	(C_CC_NE, C_AA_AB, C_AA_AW, C_ZZ_D, C_ZZ_H, C_ZZ_B): Likewise.
	(arc_flag_classes): Add F_CLASS_COND/F_CLASS_IMPLICIT flags.
	* opcodes/arc-tbl.h: Update instructions to include new
	F_CLASS_IMPLICIT flags.
	(bbit0, lp): Change class.
	(bbit1, bi, bih, br*, ei_s, jli_s): Likewsie
This commit is contained in:
Claudiu Zissulescu 2017-02-06 11:26:13 +01:00
parent 20b477a75c
commit 6ec7c1ae19
6 changed files with 637 additions and 365 deletions
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24
include/opcode/arc.h
View file

@ -42,27 +42,40 @@ typedef enum
ACL,
ARITH,
AUXREG,
BBIT0,
BBIT1,
BI,
BIH,
BITOP,
BITSTREAM,
BMU,
BRANCH,
BRCC,
CONTROL,
DIVREM,
DPI,
DSP,
EI,
ENTER,
FLOAT,
INVALID,
JLI,
JUMP,
KERNEL,
LEAVE,
LOAD,
LOGICAL,
LOOP,
MEMORY,
MOVE,
MPY,
NET,
PROTOCOL_DECODE,
PMU,
POP,
PUSH,
STORE,
SUB,
XY
} insn_class_t;
@ -111,7 +124,16 @@ typedef enum
F_CLASS_EXTEND = (1 << 2),
/* Condition code flag. */
F_CLASS_COND = (1 << 3)
F_CLASS_COND = (1 << 3),
/* Write back mode. */
F_CLASS_WB = (1 << 4),
/* Data size. */
F_CLASS_ZZ = (1 << 5),
/* Implicit flag. */
F_CLASS_IMPLICIT = (1 << 6)
} flag_class_t;
/* The opcode table is an array of struct arc_opcode. */