From 6ec7c1ae19e9e1bf2edad5125941a2fd5fdfde0b Mon Sep 17 00:00:00 2001
From: Claudiu Zissulescu <claziss@synopsys.com>
Date: Mon, 6 Feb 2017 11:26:13 +0100
Subject: [ARC] Provide an interface to decode ARC instructions.

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
---
 include/opcode/arc.h | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

(limited to 'include/opcode/arc.h')

diff --git a/include/opcode/arc.h b/include/opcode/arc.h
index 859bb9f..f263fff 100644
--- a/include/opcode/arc.h
+++ b/include/opcode/arc.h
@@ -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.  */
-- 
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