/src/capstonev5/arch/TMS320C64x/TMS320C64xInstPrinter.c

Source
/* Capstone Disassembly Engine */
/* TMS320C64x Backend by Fotis Loukos <me@fotisl.com> 2016 */

#ifdef CAPSTONE_HAS_TMS320C64X

#ifdef _MSC_VER
// Disable security warnings for strcpy
#ifndef _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_WARNINGS
#endif

// Banned API Usage : strcpy is a Banned API as listed in dontuse.h for
// security purposes.
#pragma warning(disable:28719)
#endif

#include <ctype.h>
#include <string.h>

#include "TMS320C64xInstPrinter.h"
#include "../../MCInst.h"
#include "../../utils.h"
#include "../../SStream.h"
#include "../../MCRegisterInfo.h"
#include "../../MathExtras.h"
#include "TMS320C64xMapping.h"

#include "capstone/tms320c64x.h"

static const char *getRegisterName(unsigned RegNo);
static void printOperand(MCInst *MI, unsigned OpNo, SStream *O);
static void printMemOperand(MCInst *MI, unsigned OpNo, SStream *O);
static void printMemOperand2(MCInst *MI, unsigned OpNo, SStream *O);
static void printRegPair(MCInst *MI, unsigned OpNo, SStream *O);

void TMS320C64x_post_printer(csh ud, cs_insn *insn, char *insn_asm, MCInst *mci)
{
  SStream ss;
  char *p, *p2, tmp[8];
  unsigned int unit = 0;
  int i;
  cs_tms320c64x *tms320c64x;

  if (mci->csh->detail) {
    tms320c64x = &mci->flat_insn->detail->tms320c64x;

    for (i = 0; i < insn->detail->groups_count; i++) {
      switch(insn->detail->groups[i]) {
        case TMS320C64X_GRP_FUNIT_D:
          unit = TMS320C64X_FUNIT_D;
          break;
        case TMS320C64X_GRP_FUNIT_L:
          unit = TMS320C64X_FUNIT_L;
          break;
        case TMS320C64X_GRP_FUNIT_M:
          unit = TMS320C64X_FUNIT_M;
          break;
        case TMS320C64X_GRP_FUNIT_S:
          unit = TMS320C64X_FUNIT_S;
          break;
        case TMS320C64X_GRP_FUNIT_NO:
          unit = TMS320C64X_FUNIT_NO;
          break;
      }
      if (unit != 0)
        break;
    }
    tms320c64x->funit.unit = unit;

    SStream_Init(&ss);
    if (tms320c64x->condition.reg != TMS320C64X_REG_INVALID)
      SStream_concat(&ss, "[%c%s]|", (tms320c64x->condition.zero == 1) ? '!' : '|', cs_reg_name(ud, tms320c64x->condition.reg));

    p = strchr(insn_asm, '\t');
    if (p != NULL)
      *p++ = '\0';

    SStream_concat0(&ss, insn_asm);
    if ((p != NULL) && (((p2 = strchr(p, '[')) != NULL) || ((p2 = strchr(p, '(')) != NULL))) {
      while ((p2 > p) && ((*p2 != 'a') && (*p2 != 'b')))
        p2--;
      if (p2 == p) {
        strcpy(insn_asm, "Invalid!");
        return;
      }
      if (*p2 == 'a')
        strcpy(tmp, "1T");
      else
        strcpy(tmp, "2T");
    } else {
      tmp[0] = '\0';
    }
    switch(tms320c64x->funit.unit) {
      case TMS320C64X_FUNIT_D:
        SStream_concat(&ss, ".D%s%u", tmp, tms320c64x->funit.side);
        break;
      case TMS320C64X_FUNIT_L:
        SStream_concat(&ss, ".L%s%u", tmp, tms320c64x->funit.side);
        break;
      case TMS320C64X_FUNIT_M:
        SStream_concat(&ss, ".M%s%u", tmp, tms320c64x->funit.side);
        break;
      case TMS320C64X_FUNIT_S:
        SStream_concat(&ss, ".S%s%u", tmp, tms320c64x->funit.side);
        break;
    }
    if (tms320c64x->funit.crosspath > 0)
      SStream_concat0(&ss, "X");

    if (p != NULL)
      SStream_concat(&ss, "\t%s", p);

    if (tms320c64x->parallel != 0)
      SStream_concat0(&ss, "\t||");

    /* insn_asm is a buffer from an SStream, so there should be enough space */
    strcpy(insn_asm, ss.buffer);
  }
}

#define PRINT_ALIAS_INSTR
#include "TMS320C64xGenAsmWriter.inc"

#define GET_INSTRINFO_ENUM
#include "TMS320C64xGenInstrInfo.inc"

static void printOperand(MCInst *MI, unsigned OpNo, SStream *O)
{
  MCOperand *Op = MCInst_getOperand(MI, OpNo);
  unsigned reg;

  if (MCOperand_isReg(Op)) {
    reg = MCOperand_getReg(Op);
    if ((MCInst_getOpcode(MI) == TMS320C64x_MVC_s1_rr) && (OpNo == 1)) {
      switch(reg) {
        case TMS320C64X_REG_EFR:
          SStream_concat0(O, "EFR");
          break;
        case TMS320C64X_REG_IFR:
          SStream_concat0(O, "IFR");
          break;
        default:
          SStream_concat0(O, getRegisterName(reg));
          break;
      }
    } else {
      SStream_concat0(O, getRegisterName(reg));
    }

    if (MI->csh->detail) {
      MI->flat_insn->detail->tms320c64x.operands[MI->flat_insn->detail->tms320c64x.op_count].type = TMS320C64X_OP_REG;
      MI->flat_insn->detail->tms320c64x.operands[MI->flat_insn->detail->tms320c64x.op_count].reg = reg;
      MI->flat_insn->detail->tms320c64x.op_count++;
    }
  } else if (MCOperand_isImm(Op)) {
    int64_t Imm = MCOperand_getImm(Op);

    if (Imm >= 0) {
      if (Imm > HEX_THRESHOLD)
        SStream_concat(O, "0x%"PRIx64, Imm);
      else
        SStream_concat(O, "%"PRIu64, Imm);
    } else {
      if (Imm < -HEX_THRESHOLD)
        SStream_concat(O, "-0x%"PRIx64, -Imm);
      else
        SStream_concat(O, "-%"PRIu64, -Imm);
    }

    if (MI->csh->detail) {
      MI->flat_insn->detail->tms320c64x.operands[MI->flat_insn->detail->tms320c64x.op_count].type = TMS320C64X_OP_IMM;
      MI->flat_insn->detail->tms320c64x.operands[MI->flat_insn->detail->tms320c64x.op_count].imm = Imm;
      MI->flat_insn->detail->tms320c64x.op_count++;
    }
  }
}

static void printMemOperand(MCInst *MI, unsigned OpNo, SStream *O)
{
  MCOperand *Op = MCInst_getOperand(MI, OpNo);
  int64_t Val = MCOperand_getImm(Op);
  unsigned scaled, base, offset, mode, unit;
  cs_tms320c64x *tms320c64x;
  char st, nd;

  scaled = (Val >> 19) & 1;
  base = (Val >> 12) & 0x7f;
  offset = (Val >> 5) & 0x7f;
  mode = (Val >> 1) & 0xf;
  unit = Val & 1;

  if (scaled) {
    st = '[';
    nd = ']';
  } else {
    st = '(';
    nd = ')';
  }

  switch(mode) {
    case 0:
      SStream_concat(O, "*-%s%c%u%c", getRegisterName(base), st, offset, nd);
      break;
    case 1:
      SStream_concat(O, "*+%s%c%u%c", getRegisterName(base), st, offset, nd);
      break;
    case 4:
      SStream_concat(O, "*-%s%c%s%c", getRegisterName(base), st, getRegisterName(offset), nd);
      break;
    case 5:
      SStream_concat(O, "*+%s%c%s%c", getRegisterName(base), st, getRegisterName(offset), nd);
      break;
    case 8:
      SStream_concat(O, "*--%s%c%u%c", getRegisterName(base), st, offset, nd);
      break;
    case 9:
      SStream_concat(O, "*++%s%c%u%c", getRegisterName(base), st, offset, nd);
      break;
    case 10:
      SStream_concat(O, "*%s--%c%u%c", getRegisterName(base), st, offset, nd);
      break;
    case 11:
      SStream_concat(O, "*%s++%c%u%c", getRegisterName(base), st, offset, nd);
      break;
    case 12:
      SStream_concat(O, "*--%s%c%s%c", getRegisterName(base), st, getRegisterName(offset), nd);
      break;
    case 13:
      SStream_concat(O, "*++%s%c%s%c", getRegisterName(base), st, getRegisterName(offset), nd);
      break;
    case 14:
      SStream_concat(O, "*%s--%c%s%c", getRegisterName(base), st, getRegisterName(offset), nd);
      break;
    case 15:
      SStream_concat(O, "*%s++%c%s%c", getRegisterName(base), st, getRegisterName(offset), nd);
      break;
  }

  if (MI->csh->detail) {
    tms320c64x = &MI->flat_insn->detail->tms320c64x;

    tms320c64x->operands[tms320c64x->op_count].type = TMS320C64X_OP_MEM;
    tms320c64x->operands[tms320c64x->op_count].mem.base = base;
    tms320c64x->operands[tms320c64x->op_count].mem.disp = offset;
    tms320c64x->operands[tms320c64x->op_count].mem.unit = unit + 1;
    tms320c64x->operands[tms320c64x->op_count].mem.scaled = scaled;
    switch(mode) {
      case 0:
        tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_CONSTANT;
        tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_BW;
        tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_NO;
        break;
      case 1:
        tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_CONSTANT;
        tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_FW;
        tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_NO;
        break;
      case 4:
        tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_REGISTER;
        tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_BW;
        tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_NO;
        break;
      case 5:
        tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_REGISTER;
        tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_FW;
        tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_NO;
        break;
      case 8:
        tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_CONSTANT;
        tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_BW;
        tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_PRE;
        break;
      case 9:
        tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_CONSTANT;
        tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_FW;
        tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_PRE;
        break;
      case 10:
        tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_CONSTANT;
        tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_BW;
        tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_POST;
        break;
      case 11:
        tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_CONSTANT;
        tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_FW;
        tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_POST;
        break;
      case 12:
        tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_REGISTER;
        tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_BW;
        tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_PRE;
        break;
      case 13:
        tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_REGISTER;
        tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_FW;
        tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_PRE;
        break;
      case 14:
        tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_REGISTER;
        tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_BW;
        tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_POST;
        break;
      case 15:
        tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_REGISTER;
        tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_FW;
        tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_POST;
        break;
    }
    tms320c64x->op_count++;
  }
}

static void printMemOperand2(MCInst *MI, unsigned OpNo, SStream *O)
{
  MCOperand *Op = MCInst_getOperand(MI, OpNo);
  int64_t Val = MCOperand_getImm(Op);
  uint16_t offset;
  unsigned basereg;
  cs_tms320c64x *tms320c64x;

  basereg = Val & 0x7f;
  offset = (Val >> 7) & 0x7fff;
  SStream_concat(O, "*+%s[0x%x]", getRegisterName(basereg), offset);

  if (MI->csh->detail) {
    tms320c64x = &MI->flat_insn->detail->tms320c64x;

    tms320c64x->operands[tms320c64x->op_count].type = TMS320C64X_OP_MEM;
    tms320c64x->operands[tms320c64x->op_count].mem.base = basereg;
    tms320c64x->operands[tms320c64x->op_count].mem.unit = 2;
    tms320c64x->operands[tms320c64x->op_count].mem.disp = offset;
    tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_CONSTANT;
    tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_FW;
    tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_NO;
    tms320c64x->op_count++;
  }
}

static void printRegPair(MCInst *MI, unsigned OpNo, SStream *O)
{
  MCOperand *Op = MCInst_getOperand(MI, OpNo);
  unsigned reg = MCOperand_getReg(Op);
  cs_tms320c64x *tms320c64x;

  SStream_concat(O, "%s:%s", getRegisterName(reg + 1), getRegisterName(reg));

  if (MI->csh->detail) {
    tms320c64x = &MI->flat_insn->detail->tms320c64x;

    tms320c64x->operands[tms320c64x->op_count].type = TMS320C64X_OP_REGPAIR;
    tms320c64x->operands[tms320c64x->op_count].reg = reg;
    tms320c64x->op_count++;
  }
}

static bool printAliasInstruction(MCInst *MI, SStream *O, MCRegisterInfo *MRI)
{
  unsigned opcode = MCInst_getOpcode(MI);
  MCOperand *op;

  switch(opcode) {
    /* ADD.Dx -i, x, y -> SUB.Dx x, i, y */
    case TMS320C64x_ADD_d2_rir:
    /* ADD.L -i, x, y -> SUB.L x, i, y */
    case TMS320C64x_ADD_l1_irr:
    case TMS320C64x_ADD_l1_ipp:
    /* ADD.S -i, x, y -> SUB.S x, i, y */
    case TMS320C64x_ADD_s1_irr:
      if ((MCInst_getNumOperands(MI) == 3) &&
        MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
        MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
        MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
        (MCOperand_getImm(MCInst_getOperand(MI, 2)) < 0)) {

        MCInst_setOpcodePub(MI, TMS320C64X_INS_SUB);
        op = MCInst_getOperand(MI, 2);
        MCOperand_setImm(op, -MCOperand_getImm(op));

        SStream_concat0(O, "SUB\t");
        printOperand(MI, 1, O);
        SStream_concat0(O, ", ");
        printOperand(MI, 2, O);
        SStream_concat0(O, ", ");
        printOperand(MI, 0, O);

        return true;
      }
      break;
  }
  switch(opcode) {
    /* ADD.D 0, x, y -> MV.D x, y */
    case TMS320C64x_ADD_d1_rir:
    /* OR.D x, 0, y -> MV.D x, y */
    case TMS320C64x_OR_d2_rir:
    /* ADD.L 0, x, y -> MV.L x, y */
    case TMS320C64x_ADD_l1_irr:
    case TMS320C64x_ADD_l1_ipp:
    /* OR.L 0, x, y -> MV.L x, y */
    case TMS320C64x_OR_l1_irr:
    /* ADD.S 0, x, y -> MV.S x, y */
    case TMS320C64x_ADD_s1_irr:
    /* OR.S 0, x, y -> MV.S x, y */
    case TMS320C64x_OR_s1_irr:
      if ((MCInst_getNumOperands(MI) == 3) &&
        MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
        MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
        MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
        (MCOperand_getImm(MCInst_getOperand(MI, 2)) == 0)) {

        MCInst_setOpcodePub(MI, TMS320C64X_INS_MV);
        MI->size--;

        SStream_concat0(O, "MV\t");
        printOperand(MI, 1, O);
        SStream_concat0(O, ", ");
        printOperand(MI, 0, O);

        return true;
      }
      break;
  }
  switch(opcode) {
    /* XOR.D -1, x, y -> NOT.D x, y */
    case TMS320C64x_XOR_d2_rir:
    /* XOR.L -1, x, y -> NOT.L x, y */
    case TMS320C64x_XOR_l1_irr:
    /* XOR.S -1, x, y -> NOT.S x, y */
    case TMS320C64x_XOR_s1_irr:
      if ((MCInst_getNumOperands(MI) == 3) &&
        MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
        MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
        MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
        (MCOperand_getImm(MCInst_getOperand(MI, 2)) == -1)) {

        MCInst_setOpcodePub(MI, TMS320C64X_INS_NOT);
        MI->size--;

        SStream_concat0(O, "NOT\t");
        printOperand(MI, 1, O);
        SStream_concat0(O, ", ");
        printOperand(MI, 0, O);

        return true;
      }
      break;
  }
  switch(opcode) {
    /* MVK.D 0, x -> ZERO.D x */
    case TMS320C64x_MVK_d1_rr:
    /* MVK.L 0, x -> ZERO.L x */
    case TMS320C64x_MVK_l2_ir:
      if ((MCInst_getNumOperands(MI) == 2) &&
        MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
        MCOperand_isImm(MCInst_getOperand(MI, 1)) &&
        (MCOperand_getImm(MCInst_getOperand(MI, 1)) == 0)) {

        MCInst_setOpcodePub(MI, TMS320C64X_INS_ZERO);
        MI->size--;

        SStream_concat0(O, "ZERO\t");
        printOperand(MI, 0, O);

        return true;
      }
      break;
  }
  switch(opcode) {
    /* SUB.L x, x, y -> ZERO.L y */
    case TMS320C64x_SUB_l1_rrp_x1:
    /* SUB.S x, x, y -> ZERO.S y */
    case TMS320C64x_SUB_s1_rrr:
      if ((MCInst_getNumOperands(MI) == 3) &&
        MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
        MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
        MCOperand_isReg(MCInst_getOperand(MI, 2)) &&
        (MCOperand_getReg(MCInst_getOperand(MI, 1)) == MCOperand_getReg(MCInst_getOperand(MI, 2)))) {

        MCInst_setOpcodePub(MI, TMS320C64X_INS_ZERO);
        MI->size -= 2;

        SStream_concat0(O, "ZERO\t");
        printOperand(MI, 0, O);

        return true;
      }
      break;
  }
  switch(opcode) {
    /* SUB.L 0, x, y -> NEG.L x, y */
    case TMS320C64x_SUB_l1_irr:
    case TMS320C64x_SUB_l1_ipp:
    /* SUB.S 0, x, y -> NEG.S x, y */
    case TMS320C64x_SUB_s1_irr:
      if ((MCInst_getNumOperands(MI) == 3) &&
        MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
        MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
        MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
        (MCOperand_getImm(MCInst_getOperand(MI, 2)) == 0)) {

        MCInst_setOpcodePub(MI, TMS320C64X_INS_NEG);
        MI->size--;

        SStream_concat0(O, "NEG\t");
        printOperand(MI, 1, O);
        SStream_concat0(O, ", ");
        printOperand(MI, 0, O);

        return true;
      }
      break;
  }
  switch(opcode) {
    /* PACKLH2.L x, x, y -> SWAP2.L x, y */
    case TMS320C64x_PACKLH2_l1_rrr_x2:
    /* PACKLH2.S x, x, y -> SWAP2.S x, y */
    case TMS320C64x_PACKLH2_s1_rrr:
      if ((MCInst_getNumOperands(MI) == 3) &&
        MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
        MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
        MCOperand_isReg(MCInst_getOperand(MI, 2)) &&
        (MCOperand_getReg(MCInst_getOperand(MI, 1)) == MCOperand_getReg(MCInst_getOperand(MI, 2)))) {

        MCInst_setOpcodePub(MI, TMS320C64X_INS_SWAP2);
        MI->size--;

        SStream_concat0(O, "SWAP2\t");
        printOperand(MI, 1, O);
        SStream_concat0(O, ", ");
        printOperand(MI, 0, O);

        return true;
      }
      break;
  }
  switch(opcode) {
    /* NOP 16 -> IDLE */
    /* NOP 1 -> NOP */
    case TMS320C64x_NOP_n:
      if ((MCInst_getNumOperands(MI) == 1) &&
        MCOperand_isImm(MCInst_getOperand(MI, 0)) &&
        (MCOperand_getReg(MCInst_getOperand(MI, 0)) == 16)) {

        MCInst_setOpcodePub(MI, TMS320C64X_INS_IDLE);
        MI->size--;

        SStream_concat0(O, "IDLE");

        return true;
      }
      if ((MCInst_getNumOperands(MI) == 1) &&
        MCOperand_isImm(MCInst_getOperand(MI, 0)) &&
        (MCOperand_getReg(MCInst_getOperand(MI, 0)) == 1)) {

        MI->size--;

        SStream_concat0(O, "NOP");

        return true;
      }
      break;
  }

  return false;
}

void TMS320C64x_printInst(MCInst *MI, SStream *O, void *Info)
{
  if (!printAliasInstruction(MI, O, Info))
    printInstruction(MI, O, Info);
}

#endif

Coverage Report

Created: 2026-03-11 06:06

Line	Count	Source
1		/* Capstone Disassembly Engine */
2		/* TMS320C64x Backend by Fotis Loukos <me@fotisl.com> 2016 */
3
4		#ifdef CAPSTONE_HAS_TMS320C64X
5
6		#ifdef _MSC_VER
7		// Disable security warnings for strcpy
8		#ifndef _CRT_SECURE_NO_WARNINGS
9		#define _CRT_SECURE_NO_WARNINGS
10		#endif
11
12		// Banned API Usage : strcpy is a Banned API as listed in dontuse.h for
13		// security purposes.
14		#pragma warning(disable:28719)
15		#endif
16
17		#include <ctype.h>
18		#include <string.h>
19
20		#include "TMS320C64xInstPrinter.h"
21		#include "../../MCInst.h"
22		#include "../../utils.h"
23		#include "../../SStream.h"
24		#include "../../MCRegisterInfo.h"
25		#include "../../MathExtras.h"
26		#include "TMS320C64xMapping.h"
27
28		#include "capstone/tms320c64x.h"
29
30		static const char *getRegisterName(unsigned RegNo);
31		static void printOperand(MCInst MI, unsigned OpNo, SStream O);
32		static void printMemOperand(MCInst MI, unsigned OpNo, SStream O);
33		static void printMemOperand2(MCInst MI, unsigned OpNo, SStream O);
34		static void printRegPair(MCInst MI, unsigned OpNo, SStream O);
35
36		void TMS320C64x_post_printer(csh ud, cs_insn insn, char insn_asm, MCInst *mci)
37	39.4k	{
38	39.4k	SStream ss;
39	39.4k	char p, p2, tmp[8];
40	39.4k	unsigned int unit = 0;
41	39.4k	int i;
42	39.4k	cs_tms320c64x *tms320c64x;
43
44	39.4k	if (mci->csh->detail) {
45	39.4k	tms320c64x = &mci->flat_insn->detail->tms320c64x;
46
47	39.4k	for (i = 0; i < insn->detail->groups_count; i++) {
48	39.4k	switch(insn->detail->groups[i]) {
49	10.7k	case TMS320C64X_GRP_FUNIT_D:
50	10.7k	unit = TMS320C64X_FUNIT_D;
51	10.7k	break;
52	8.70k	case TMS320C64X_GRP_FUNIT_L:
53	8.70k	unit = TMS320C64X_FUNIT_L;
54	8.70k	break;
55	2.05k	case TMS320C64X_GRP_FUNIT_M:
56	2.05k	unit = TMS320C64X_FUNIT_M;
57	2.05k	break;
58	16.8k	case TMS320C64X_GRP_FUNIT_S:
59	16.8k	unit = TMS320C64X_FUNIT_S;
60	16.8k	break;
61	1.08k	case TMS320C64X_GRP_FUNIT_NO:
62	1.08k	unit = TMS320C64X_FUNIT_NO;
63	1.08k	break;
64	39.4k	}
65	39.4k	if (unit != 0)
66	39.4k	break;
67	39.4k	}
68	39.4k	tms320c64x->funit.unit = unit;
69
70	39.4k	SStream_Init(&ss);
71	39.4k	if (tms320c64x->condition.reg != TMS320C64X_REG_INVALID)
72	26.7k	SStream_concat(&ss, "[%c%s]\|", (tms320c64x->condition.zero == 1) ? '!' : '\|', cs_reg_name(ud, tms320c64x->condition.reg));
73
74	39.4k	p = strchr(insn_asm, '\t');
75	39.4k	if (p != NULL)
76	38.6k	*p++ = '\0';
77
78	39.4k	SStream_concat0(&ss, insn_asm);
79	39.4k	if ((p != NULL) && (((p2 = strchr(p, '[')) != NULL) \|\| ((p2 = strchr(p, '(')) != NULL))) {
80	38.2k	while ((p2 > p) && ((p2 != 'a') && (p2 != 'b')))
81	29.2k	p2--;
82	9.06k	if (p2 == p) {
83	0	strcpy(insn_asm, "Invalid!");
84	0	return;
85	0	}
86	9.06k	if (*p2 == 'a')
87	4.72k	strcpy(tmp, "1T");
88	4.33k	else
89	4.33k	strcpy(tmp, "2T");
90	30.3k	} else {
91	30.3k	tmp[0] = '\0';
92	30.3k	}
93	39.4k	switch(tms320c64x->funit.unit) {
94	10.7k	case TMS320C64X_FUNIT_D:
95	10.7k	SStream_concat(&ss, ".D%s%u", tmp, tms320c64x->funit.side);
96	10.7k	break;
97	8.70k	case TMS320C64X_FUNIT_L:
98	8.70k	SStream_concat(&ss, ".L%s%u", tmp, tms320c64x->funit.side);
99	8.70k	break;
100	2.05k	case TMS320C64X_FUNIT_M:
101	2.05k	SStream_concat(&ss, ".M%s%u", tmp, tms320c64x->funit.side);
102	2.05k	break;
103	16.8k	case TMS320C64X_FUNIT_S:
104	16.8k	SStream_concat(&ss, ".S%s%u", tmp, tms320c64x->funit.side);
105	16.8k	break;
106	39.4k	}
107	39.4k	if (tms320c64x->funit.crosspath > 0)
108	10.3k	SStream_concat0(&ss, "X");
109
110	39.4k	if (p != NULL)
111	38.6k	SStream_concat(&ss, "\t%s", p);
112
113	39.4k	if (tms320c64x->parallel != 0)
114	19.4k	SStream_concat0(&ss, "\t\|\|");
115
116		/* insn_asm is a buffer from an SStream, so there should be enough space */
117	39.4k	strcpy(insn_asm, ss.buffer);
118	39.4k	}
119	39.4k	}
120
121		#define PRINT_ALIAS_INSTR
122		#include "TMS320C64xGenAsmWriter.inc"
123
124		#define GET_INSTRINFO_ENUM
125		#include "TMS320C64xGenInstrInfo.inc"
126
127		static void printOperand(MCInst MI, unsigned OpNo, SStream O)
128	129k	{
129	129k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
130	129k	unsigned reg;
131
132	129k	if (MCOperand_isReg(Op)) {
133	93.0k	reg = MCOperand_getReg(Op);
134	93.0k	if ((MCInst_getOpcode(MI) == TMS320C64x_MVC_s1_rr) && (OpNo == 1)) {
135	3.33k	switch(reg) {
136	1.66k	case TMS320C64X_REG_EFR:
137	1.66k	SStream_concat0(O, "EFR");
138	1.66k	break;
139	644	case TMS320C64X_REG_IFR:
140	644	SStream_concat0(O, "IFR");
141	644	break;
142	1.02k	default:
143	1.02k	SStream_concat0(O, getRegisterName(reg));
144	1.02k	break;
145	3.33k	}
146	89.6k	} else {
147	89.6k	SStream_concat0(O, getRegisterName(reg));
148	89.6k	}
149
150	93.0k	if (MI->csh->detail) {
151	93.0k	MI->flat_insn->detail->tms320c64x.operands[MI->flat_insn->detail->tms320c64x.op_count].type = TMS320C64X_OP_REG;
152	93.0k	MI->flat_insn->detail->tms320c64x.operands[MI->flat_insn->detail->tms320c64x.op_count].reg = reg;
153	93.0k	MI->flat_insn->detail->tms320c64x.op_count++;
154	93.0k	}
155	93.0k	} else if (MCOperand_isImm(Op)) {
156	36.7k	int64_t Imm = MCOperand_getImm(Op);
157
158	36.7k	if (Imm >= 0) {
159	31.8k	if (Imm > HEX_THRESHOLD)
160	17.3k	SStream_concat(O, "0x%"PRIx64, Imm);
161	14.5k	else
162	14.5k	SStream_concat(O, "%"PRIu64, Imm);
163	31.8k	} else {
164	4.86k	if (Imm < -HEX_THRESHOLD)
165	3.71k	SStream_concat(O, "-0x%"PRIx64, -Imm);
166	1.15k	else
167	1.15k	SStream_concat(O, "-%"PRIu64, -Imm);
168	4.86k	}
169
170	36.7k	if (MI->csh->detail) {
171	36.7k	MI->flat_insn->detail->tms320c64x.operands[MI->flat_insn->detail->tms320c64x.op_count].type = TMS320C64X_OP_IMM;
172	36.7k	MI->flat_insn->detail->tms320c64x.operands[MI->flat_insn->detail->tms320c64x.op_count].imm = Imm;
173	36.7k	MI->flat_insn->detail->tms320c64x.op_count++;
174	36.7k	}
175	36.7k	}
176	129k	}
177
178		static void printMemOperand(MCInst MI, unsigned OpNo, SStream O)
179	7.09k	{
180	7.09k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
181	7.09k	int64_t Val = MCOperand_getImm(Op);
182	7.09k	unsigned scaled, base, offset, mode, unit;
183	7.09k	cs_tms320c64x *tms320c64x;
184	7.09k	char st, nd;
185
186	7.09k	scaled = (Val >> 19) & 1;
187	7.09k	base = (Val >> 12) & 0x7f;
188	7.09k	offset = (Val >> 5) & 0x7f;
189	7.09k	mode = (Val >> 1) & 0xf;
190	7.09k	unit = Val & 1;
191
192	7.09k	if (scaled) {
193	5.79k	st = '[';
194	5.79k	nd = ']';
195	5.79k	} else {
196	1.30k	st = '(';
197	1.30k	nd = ')';
198	1.30k	}
199
200	7.09k	switch(mode) {
201	734	case 0:
202	734	SStream_concat(O, "*-%s%c%u%c", getRegisterName(base), st, offset, nd);
203	734	break;
204	386	case 1:
205	386	SStream_concat(O, "*+%s%c%u%c", getRegisterName(base), st, offset, nd);
206	386	break;
207	646	case 4:
208	646	SStream_concat(O, "*-%s%c%s%c", getRegisterName(base), st, getRegisterName(offset), nd);
209	646	break;
210	78	case 5:
211	78	SStream_concat(O, "*+%s%c%s%c", getRegisterName(base), st, getRegisterName(offset), nd);
212	78	break;
213	657	case 8:
214	657	SStream_concat(O, "*--%s%c%u%c", getRegisterName(base), st, offset, nd);
215	657	break;
216	628	case 9:
217	628	SStream_concat(O, "*++%s%c%u%c", getRegisterName(base), st, offset, nd);
218	628	break;
219	757	case 10:
220	757	SStream_concat(O, "*%s--%c%u%c", getRegisterName(base), st, offset, nd);
221	757	break;
222	1.17k	case 11:
223	1.17k	SStream_concat(O, "*%s++%c%u%c", getRegisterName(base), st, offset, nd);
224	1.17k	break;
225	382	case 12:
226	382	SStream_concat(O, "*--%s%c%s%c", getRegisterName(base), st, getRegisterName(offset), nd);
227	382	break;
228	306	case 13:
229	306	SStream_concat(O, "*++%s%c%s%c", getRegisterName(base), st, getRegisterName(offset), nd);
230	306	break;
231	294	case 14:
232	294	SStream_concat(O, "*%s--%c%s%c", getRegisterName(base), st, getRegisterName(offset), nd);
233	294	break;
234	1.04k	case 15:
235	1.04k	SStream_concat(O, "*%s++%c%s%c", getRegisterName(base), st, getRegisterName(offset), nd);
236	1.04k	break;
237	7.09k	}
238
239	7.09k	if (MI->csh->detail) {
240	7.09k	tms320c64x = &MI->flat_insn->detail->tms320c64x;
241
242	7.09k	tms320c64x->operands[tms320c64x->op_count].type = TMS320C64X_OP_MEM;
243	7.09k	tms320c64x->operands[tms320c64x->op_count].mem.base = base;
244	7.09k	tms320c64x->operands[tms320c64x->op_count].mem.disp = offset;
245	7.09k	tms320c64x->operands[tms320c64x->op_count].mem.unit = unit + 1;
246	7.09k	tms320c64x->operands[tms320c64x->op_count].mem.scaled = scaled;
247	7.09k	switch(mode) {
248	734	case 0:
249	734	tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_CONSTANT;
250	734	tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_BW;
251	734	tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_NO;
252	734	break;
253	386	case 1:
254	386	tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_CONSTANT;
255	386	tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_FW;
256	386	tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_NO;
257	386	break;
258	646	case 4:
259	646	tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_REGISTER;
260	646	tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_BW;
261	646	tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_NO;
262	646	break;
263	78	case 5:
264	78	tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_REGISTER;
265	78	tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_FW;
266	78	tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_NO;
267	78	break;
268	657	case 8:
269	657	tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_CONSTANT;
270	657	tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_BW;
271	657	tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_PRE;
272	657	break;
273	628	case 9:
274	628	tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_CONSTANT;
275	628	tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_FW;
276	628	tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_PRE;
277	628	break;
278	757	case 10:
279	757	tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_CONSTANT;
280	757	tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_BW;
281	757	tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_POST;
282	757	break;
283	1.17k	case 11:
284	1.17k	tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_CONSTANT;
285	1.17k	tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_FW;
286	1.17k	tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_POST;
287	1.17k	break;
288	382	case 12:
289	382	tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_REGISTER;
290	382	tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_BW;
291	382	tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_PRE;
292	382	break;
293	306	case 13:
294	306	tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_REGISTER;
295	306	tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_FW;
296	306	tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_PRE;
297	306	break;
298	294	case 14:
299	294	tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_REGISTER;
300	294	tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_BW;
301	294	tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_POST;
302	294	break;
303	1.04k	case 15:
304	1.04k	tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_REGISTER;
305	1.04k	tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_FW;
306	1.04k	tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_POST;
307	1.04k	break;
308	7.09k	}
309	7.09k	tms320c64x->op_count++;
310	7.09k	}
311	7.09k	}
312
313		static void printMemOperand2(MCInst MI, unsigned OpNo, SStream O)
314	7.32k	{
315	7.32k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
316	7.32k	int64_t Val = MCOperand_getImm(Op);
317	7.32k	uint16_t offset;
318	7.32k	unsigned basereg;
319	7.32k	cs_tms320c64x *tms320c64x;
320
321	7.32k	basereg = Val & 0x7f;
322	7.32k	offset = (Val >> 7) & 0x7fff;
323	7.32k	SStream_concat(O, "*+%s[0x%x]", getRegisterName(basereg), offset);
324
325	7.32k	if (MI->csh->detail) {
326	7.32k	tms320c64x = &MI->flat_insn->detail->tms320c64x;
327
328	7.32k	tms320c64x->operands[tms320c64x->op_count].type = TMS320C64X_OP_MEM;
329	7.32k	tms320c64x->operands[tms320c64x->op_count].mem.base = basereg;
330	7.32k	tms320c64x->operands[tms320c64x->op_count].mem.unit = 2;
331	7.32k	tms320c64x->operands[tms320c64x->op_count].mem.disp = offset;
332	7.32k	tms320c64x->operands[tms320c64x->op_count].mem.disptype = TMS320C64X_MEM_DISP_CONSTANT;
333	7.32k	tms320c64x->operands[tms320c64x->op_count].mem.direction = TMS320C64X_MEM_DIR_FW;
334	7.32k	tms320c64x->operands[tms320c64x->op_count].mem.modify = TMS320C64X_MEM_MOD_NO;
335	7.32k	tms320c64x->op_count++;
336	7.32k	}
337	7.32k	}
338
339		static void printRegPair(MCInst MI, unsigned OpNo, SStream O)
340	21.0k	{
341	21.0k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
342	21.0k	unsigned reg = MCOperand_getReg(Op);
343	21.0k	cs_tms320c64x *tms320c64x;
344
345	21.0k	SStream_concat(O, "%s:%s", getRegisterName(reg + 1), getRegisterName(reg));
346
347	21.0k	if (MI->csh->detail) {
348	21.0k	tms320c64x = &MI->flat_insn->detail->tms320c64x;
349
350	21.0k	tms320c64x->operands[tms320c64x->op_count].type = TMS320C64X_OP_REGPAIR;
351	21.0k	tms320c64x->operands[tms320c64x->op_count].reg = reg;
352	21.0k	tms320c64x->op_count++;
353	21.0k	}
354	21.0k	}
355
356		static bool printAliasInstruction(MCInst MI, SStream O, MCRegisterInfo *MRI)
357	70.2k	{
358	70.2k	unsigned opcode = MCInst_getOpcode(MI);
359	70.2k	MCOperand *op;
360
361	70.2k	switch(opcode) {
362		/* ADD.Dx -i, x, y -> SUB.Dx x, i, y */
363	175	case TMS320C64x_ADD_d2_rir:
364		/* ADD.L -i, x, y -> SUB.L x, i, y */
365	606	case TMS320C64x_ADD_l1_irr:
366	823	case TMS320C64x_ADD_l1_ipp:
367		/* ADD.S -i, x, y -> SUB.S x, i, y */
368	1.37k	case TMS320C64x_ADD_s1_irr:
369	1.37k	if ((MCInst_getNumOperands(MI) == 3) &&
370	1.37k	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
371	1.37k	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
372	1.37k	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
373	1.37k	(MCOperand_getImm(MCInst_getOperand(MI, 2)) < 0)) {
374
375	182	MCInst_setOpcodePub(MI, TMS320C64X_INS_SUB);
376	182	op = MCInst_getOperand(MI, 2);
377	182	MCOperand_setImm(op, -MCOperand_getImm(op));
378
379	182	SStream_concat0(O, "SUB\t");
380	182	printOperand(MI, 1, O);
381	182	SStream_concat0(O, ", ");
382	182	printOperand(MI, 2, O);
383	182	SStream_concat0(O, ", ");
384	182	printOperand(MI, 0, O);
385
386	182	return true;
387	182	}
388	1.19k	break;
389	70.2k	}
390	70.0k	switch(opcode) {
391		/* ADD.D 0, x, y -> MV.D x, y */
392	240	case TMS320C64x_ADD_d1_rir:
393		/* OR.D x, 0, y -> MV.D x, y */
394	521	case TMS320C64x_OR_d2_rir:
395		/* ADD.L 0, x, y -> MV.L x, y */
396	818	case TMS320C64x_ADD_l1_irr:
397	1.02k	case TMS320C64x_ADD_l1_ipp:
398		/* OR.L 0, x, y -> MV.L x, y */
399	1.12k	case TMS320C64x_OR_l1_irr:
400		/* ADD.S 0, x, y -> MV.S x, y */
401	1.65k	case TMS320C64x_ADD_s1_irr:
402		/* OR.S 0, x, y -> MV.S x, y */
403	1.93k	case TMS320C64x_OR_s1_irr:
404	1.93k	if ((MCInst_getNumOperands(MI) == 3) &&
405	1.93k	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
406	1.93k	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
407	1.93k	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
408	1.93k	(MCOperand_getImm(MCInst_getOperand(MI, 2)) == 0)) {
409
410	343	MCInst_setOpcodePub(MI, TMS320C64X_INS_MV);
411	343	MI->size--;
412
413	343	SStream_concat0(O, "MV\t");
414	343	printOperand(MI, 1, O);
415	343	SStream_concat0(O, ", ");
416	343	printOperand(MI, 0, O);
417
418	343	return true;
419	343	}
420	1.58k	break;
421	70.0k	}
422	69.7k	switch(opcode) {
423		/* XOR.D -1, x, y -> NOT.D x, y */
424	167	case TMS320C64x_XOR_d2_rir:
425		/* XOR.L -1, x, y -> NOT.L x, y */
426	553	case TMS320C64x_XOR_l1_irr:
427		/* XOR.S -1, x, y -> NOT.S x, y */
428	1.11k	case TMS320C64x_XOR_s1_irr:
429	1.11k	if ((MCInst_getNumOperands(MI) == 3) &&
430	1.11k	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
431	1.11k	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
432	1.11k	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
433	1.11k	(MCOperand_getImm(MCInst_getOperand(MI, 2)) == -1)) {
434
435	308	MCInst_setOpcodePub(MI, TMS320C64X_INS_NOT);
436	308	MI->size--;
437
438	308	SStream_concat0(O, "NOT\t");
439	308	printOperand(MI, 1, O);
440	308	SStream_concat0(O, ", ");
441	308	printOperand(MI, 0, O);
442
443	308	return true;
444	308	}
445	811	break;
446	69.7k	}
447	69.4k	switch(opcode) {
448		/* MVK.D 0, x -> ZERO.D x */
449	603	case TMS320C64x_MVK_d1_rr:
450		/* MVK.L 0, x -> ZERO.L x */
451	2.33k	case TMS320C64x_MVK_l2_ir:
452	2.33k	if ((MCInst_getNumOperands(MI) == 2) &&
453	2.33k	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
454	2.33k	MCOperand_isImm(MCInst_getOperand(MI, 1)) &&
455	2.33k	(MCOperand_getImm(MCInst_getOperand(MI, 1)) == 0)) {
456
457	353	MCInst_setOpcodePub(MI, TMS320C64X_INS_ZERO);
458	353	MI->size--;
459
460	353	SStream_concat0(O, "ZERO\t");
461	353	printOperand(MI, 0, O);
462
463	353	return true;
464	353	}
465	1.97k	break;
466	69.4k	}
467	69.0k	switch(opcode) {
468		/* SUB.L x, x, y -> ZERO.L y */
469	371	case TMS320C64x_SUB_l1_rrp_x1:
470		/* SUB.S x, x, y -> ZERO.S y */
471	784	case TMS320C64x_SUB_s1_rrr:
472	784	if ((MCInst_getNumOperands(MI) == 3) &&
473	784	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
474	784	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
475	784	MCOperand_isReg(MCInst_getOperand(MI, 2)) &&
476	784	(MCOperand_getReg(MCInst_getOperand(MI, 1)) == MCOperand_getReg(MCInst_getOperand(MI, 2)))) {
477
478	296	MCInst_setOpcodePub(MI, TMS320C64X_INS_ZERO);
479	296	MI->size -= 2;
480
481	296	SStream_concat0(O, "ZERO\t");
482	296	printOperand(MI, 0, O);
483
484	296	return true;
485	296	}
486	488	break;
487	69.0k	}
488	68.7k	switch(opcode) {
489		/* SUB.L 0, x, y -> NEG.L x, y */
490	280	case TMS320C64x_SUB_l1_irr:
491	656	case TMS320C64x_SUB_l1_ipp:
492		/* SUB.S 0, x, y -> NEG.S x, y */
493	726	case TMS320C64x_SUB_s1_irr:
494	726	if ((MCInst_getNumOperands(MI) == 3) &&
495	726	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
496	726	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
497	726	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
498	726	(MCOperand_getImm(MCInst_getOperand(MI, 2)) == 0)) {
499
500	90	MCInst_setOpcodePub(MI, TMS320C64X_INS_NEG);
501	90	MI->size--;
502
503	90	SStream_concat0(O, "NEG\t");
504	90	printOperand(MI, 1, O);
505	90	SStream_concat0(O, ", ");
506	90	printOperand(MI, 0, O);
507
508	90	return true;
509	90	}
510	636	break;
511	68.7k	}
512	68.6k	switch(opcode) {
513		/* PACKLH2.L x, x, y -> SWAP2.L x, y */
514	355	case TMS320C64x_PACKLH2_l1_rrr_x2:
515		/* PACKLH2.S x, x, y -> SWAP2.S x, y */
516	1.07k	case TMS320C64x_PACKLH2_s1_rrr:
517	1.07k	if ((MCInst_getNumOperands(MI) == 3) &&
518	1.07k	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
519	1.07k	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
520	1.07k	MCOperand_isReg(MCInst_getOperand(MI, 2)) &&
521	1.07k	(MCOperand_getReg(MCInst_getOperand(MI, 1)) == MCOperand_getReg(MCInst_getOperand(MI, 2)))) {
522
523	454	MCInst_setOpcodePub(MI, TMS320C64X_INS_SWAP2);
524	454	MI->size--;
525
526	454	SStream_concat0(O, "SWAP2\t");
527	454	printOperand(MI, 1, O);
528	454	SStream_concat0(O, ", ");
529	454	printOperand(MI, 0, O);
530
531	454	return true;
532	454	}
533	625	break;
534	68.6k	}
535	68.2k	switch(opcode) {
536		/* NOP 16 -> IDLE */
537		/* NOP 1 -> NOP */
538	1.99k	case TMS320C64x_NOP_n:
539	1.99k	if ((MCInst_getNumOperands(MI) == 1) &&
540	1.99k	MCOperand_isImm(MCInst_getOperand(MI, 0)) &&
541	1.99k	(MCOperand_getReg(MCInst_getOperand(MI, 0)) == 16)) {
542
543	298	MCInst_setOpcodePub(MI, TMS320C64X_INS_IDLE);
544	298	MI->size--;
545
546	298	SStream_concat0(O, "IDLE");
547
548	298	return true;
549	298	}
550	1.70k	if ((MCInst_getNumOperands(MI) == 1) &&
551	1.70k	MCOperand_isImm(MCInst_getOperand(MI, 0)) &&
552	1.70k	(MCOperand_getReg(MCInst_getOperand(MI, 0)) == 1)) {
553
554	1.30k	MI->size--;
555
556	1.30k	SStream_concat0(O, "NOP");
557
558	1.30k	return true;
559	1.30k	}
560	399	break;
561	68.2k	}
562
563	66.6k	return false;
564	68.2k	}
565
566		void TMS320C64x_printInst(MCInst MI, SStream O, void *Info)
567	70.2k	{
568	70.2k	if (!printAliasInstruction(MI, O, Info))
569	66.6k	printInstruction(MI, O, Info);
570	70.2k	}
571
572		#endif