/src/capstonenext/arch/TMS320C64x/TMS320C64xInstPrinter.c

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

#ifdef CAPSTONE_HAS_TMS320C64X

#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, SStream *insn_asm,
           MCInst *mci)
{
  SStream ss;
  const char *op_str_ptr, *p2;
  char tmp[8] = { 0 };
  unsigned int unit = 0;
  int i;
  cs_tms320c64x *tms320c64x;

  if (mci->csh->detail_opt) {
    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));

    // Sorry for all the fixes below. I don't have time to add more helper SStream functions.
    // Before that they messed around with the private buffer of the stream.
    // So it is better now. But still not efficient.
    op_str_ptr = strchr(SStream_rbuf(insn_asm), '\t');

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

    if (op_str_ptr != NULL) {
      // There is an op_str
      SStream_concat1(&mnem_post, '\t');
      SStream_replc_str(insn_asm, '\t',
            SStream_rbuf(&mnem_post));
    }

    if (tms320c64x->parallel != 0)
      SStream_concat0(insn_asm, "\t||");
    SStream_concat0(&ss, SStream_rbuf(insn_asm));
    SStream_Flush(insn_asm, NULL);
    SStream_concat0(insn_asm, SStream_rbuf(&ss));
  }
}

#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_opt) {
      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_opt) {
      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_opt) {
    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_opt) {
    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_opt) {
    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: 2026-09-28 06:34

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		#include <ctype.h>
7		#include <string.h>
8
9		#include "TMS320C64xInstPrinter.h"
10		#include "../../MCInst.h"
11		#include "../../utils.h"
12		#include "../../SStream.h"
13		#include "../../MCRegisterInfo.h"
14		#include "../../MathExtras.h"
15		#include "TMS320C64xMapping.h"
16
17		#include "capstone/tms320c64x.h"
18
19		static const char *getRegisterName(unsigned RegNo);
20		static void printOperand(MCInst MI, unsigned OpNo, SStream O);
21		static void printMemOperand(MCInst MI, unsigned OpNo, SStream O);
22		static void printMemOperand2(MCInst MI, unsigned OpNo, SStream O);
23		static void printRegPair(MCInst MI, unsigned OpNo, SStream O);
24
25		void TMS320C64x_post_printer(csh ud, cs_insn insn, SStream insn_asm,
26		MCInst *mci)
27	28.8k	{
28	28.8k	SStream ss;
29	28.8k	const char op_str_ptr, p2;
30	28.8k	char tmp[8] = { 0 };
31	28.8k	unsigned int unit = 0;
32	28.8k	int i;
33	28.8k	cs_tms320c64x *tms320c64x;
34
35	28.8k	if (mci->csh->detail_opt) {
36	28.8k	tms320c64x = &mci->flat_insn->detail->tms320c64x;
37
38	28.8k	for (i = 0; i < insn->detail->groups_count; i++) {
39	28.8k	switch (insn->detail->groups[i]) {
40	10.2k	case TMS320C64X_GRP_FUNIT_D:
41	10.2k	unit = TMS320C64X_FUNIT_D;
42	10.2k	break;
43	5.78k	case TMS320C64X_GRP_FUNIT_L:
44	5.78k	unit = TMS320C64X_FUNIT_L;
45	5.78k	break;
46	1.79k	case TMS320C64X_GRP_FUNIT_M:
47	1.79k	unit = TMS320C64X_FUNIT_M;
48	1.79k	break;
49	10.5k	case TMS320C64X_GRP_FUNIT_S:
50	10.5k	unit = TMS320C64X_FUNIT_S;
51	10.5k	break;
52	460	case TMS320C64X_GRP_FUNIT_NO:
53	460	unit = TMS320C64X_FUNIT_NO;
54	460	break;
55	28.8k	}
56	28.8k	if (unit != 0)
57	28.8k	break;
58	28.8k	}
59	28.8k	tms320c64x->funit.unit = unit;
60
61	28.8k	SStream_Init(&ss);
62	28.8k	if (tms320c64x->condition.reg != TMS320C64X_REG_INVALID)
63	17.7k	SStream_concat(
64	17.7k	&ss, "[%c%s]\|",
65	17.7k	(tms320c64x->condition.zero == 1) ? '!' : '\|',
66	17.7k	cs_reg_name(ud, tms320c64x->condition.reg));
67
68		// Sorry for all the fixes below. I don't have time to add more helper SStream functions.
69		// Before that they messed around with the private buffer of the stream.
70		// So it is better now. But still not efficient.
71	28.8k	op_str_ptr = strchr(SStream_rbuf(insn_asm), '\t');
72
73	28.8k	if ((op_str_ptr != NULL) &&
74	28.4k	(((p2 = strchr(op_str_ptr, '[')) != NULL) \|\|
75	21.1k	((p2 = strchr(op_str_ptr, '(')) != NULL))) {
76	32.4k	while ((p2 > op_str_ptr) &&
77	32.4k	((p2 != 'a') && (p2 != 'b')))
78	24.3k	p2--;
79	8.03k	if (p2 == op_str_ptr) {
80	0	SStream_Flush(insn_asm, NULL);
81	0	SStream_concat0(insn_asm, "Invalid!");
82	0	return;
83	0	}
84	8.03k	if (*p2 == 'a')
85	3.58k	strncpy(tmp, "1T", sizeof(tmp));
86	4.45k	else
87	4.45k	strncpy(tmp, "2T", sizeof(tmp));
88	20.8k	} else {
89	20.8k	tmp[0] = '\0';
90	20.8k	}
91	28.8k	SStream mnem_post = { 0 };
92	28.8k	SStream_Init(&mnem_post);
93	28.8k	switch (tms320c64x->funit.unit) {
94	10.2k	case TMS320C64X_FUNIT_D:
95	10.2k	SStream_concat(&mnem_post, ".D%s%u", tmp,
96	10.2k	tms320c64x->funit.side);
97	10.2k	break;
98	5.78k	case TMS320C64X_FUNIT_L:
99	5.78k	SStream_concat(&mnem_post, ".L%s%u", tmp,
100	5.78k	tms320c64x->funit.side);
101	5.78k	break;
102	1.79k	case TMS320C64X_FUNIT_M:
103	1.79k	SStream_concat(&mnem_post, ".M%s%u", tmp,
104	1.79k	tms320c64x->funit.side);
105	1.79k	break;
106	10.5k	case TMS320C64X_FUNIT_S:
107	10.5k	SStream_concat(&mnem_post, ".S%s%u", tmp,
108	10.5k	tms320c64x->funit.side);
109	10.5k	break;
110	28.8k	}
111	28.8k	if (tms320c64x->funit.crosspath > 0)
112	5.60k	SStream_concat0(&mnem_post, "X");
113
114	28.8k	if (op_str_ptr != NULL) {
115		// There is an op_str
116	28.4k	SStream_concat1(&mnem_post, '\t');
117	28.4k	SStream_replc_str(insn_asm, '\t',
118	28.4k	SStream_rbuf(&mnem_post));
119	28.4k	}
120
121	28.8k	if (tms320c64x->parallel != 0)
122	14.0k	SStream_concat0(insn_asm, "\t\|\|");
123	28.8k	SStream_concat0(&ss, SStream_rbuf(insn_asm));
124	28.8k	SStream_Flush(insn_asm, NULL);
125	28.8k	SStream_concat0(insn_asm, SStream_rbuf(&ss));
126	28.8k	}
127	28.8k	}
128
129		#define PRINT_ALIAS_INSTR
130		#include "TMS320C64xGenAsmWriter.inc"
131
132		#define GET_INSTRINFO_ENUM
133		#include "TMS320C64xGenInstrInfo.inc"
134
135		static void printOperand(MCInst MI, unsigned OpNo, SStream O)
136	54.6k	{
137	54.6k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
138	54.6k	unsigned reg;
139
140	54.6k	if (MCOperand_isReg(Op)) {
141	39.3k	reg = MCOperand_getReg(Op);
142	39.3k	if ((MCInst_getOpcode(MI) == TMS320C64x_MVC_s1_rr) &&
143	156	(OpNo == 1)) {
144	78	switch (reg) {
145	31	case TMS320C64X_REG_EFR:
146	31	SStream_concat0(O, "EFR");
147	31	break;
148	14	case TMS320C64X_REG_IFR:
149	14	SStream_concat0(O, "IFR");
150	14	break;
151	33	default:
152	33	SStream_concat0(O, getRegisterName(reg));
153	33	break;
154	78	}
155	39.2k	} else {
156	39.2k	SStream_concat0(O, getRegisterName(reg));
157	39.2k	}
158
159	39.3k	if (MI->csh->detail_opt) {
160	39.3k	MI->flat_insn->detail->tms320c64x
161	39.3k	.operands[MI->flat_insn->detail->tms320c64x
162	39.3k	.op_count]
163	39.3k	.type = TMS320C64X_OP_REG;
164	39.3k	MI->flat_insn->detail->tms320c64x
165	39.3k	.operands[MI->flat_insn->detail->tms320c64x
166	39.3k	.op_count]
167	39.3k	.reg = reg;
168	39.3k	MI->flat_insn->detail->tms320c64x.op_count++;
169	39.3k	}
170	39.3k	} else if (MCOperand_isImm(Op)) {
171	15.2k	int64_t Imm = MCOperand_getImm(Op);
172
173	15.2k	if (Imm >= 0) {
174	12.7k	if (Imm > HEX_THRESHOLD)
175	7.28k	SStream_concat(O, "0x%" PRIx64, Imm);
176	5.48k	else
177	5.48k	SStream_concat(O, "%" PRIu64, Imm);
178	12.7k	} else {
179	2.50k	if (Imm < -HEX_THRESHOLD)
180	1.83k	SStream_concat(O, "-0x%" PRIx64, -Imm);
181	673	else
182	673	SStream_concat(O, "-%" PRIu64, -Imm);
183	2.50k	}
184
185	15.2k	if (MI->csh->detail_opt) {
186	15.2k	MI->flat_insn->detail->tms320c64x
187	15.2k	.operands[MI->flat_insn->detail->tms320c64x
188	15.2k	.op_count]
189	15.2k	.type = TMS320C64X_OP_IMM;
190	15.2k	MI->flat_insn->detail->tms320c64x
191	15.2k	.operands[MI->flat_insn->detail->tms320c64x
192	15.2k	.op_count]
193	15.2k	.imm = Imm;
194	15.2k	MI->flat_insn->detail->tms320c64x.op_count++;
195	15.2k	}
196	15.2k	}
197	54.6k	}
198
199		static void printMemOperand(MCInst MI, unsigned OpNo, SStream O)
200	3.58k	{
201	3.58k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
202	3.58k	int64_t Val = MCOperand_getImm(Op);
203	3.58k	unsigned scaled, base, offset, mode, unit;
204	3.58k	cs_tms320c64x *tms320c64x;
205	3.58k	char st, nd;
206
207	3.58k	scaled = (Val >> 19) & 1;
208	3.58k	base = (Val >> 12) & 0x7f;
209	3.58k	offset = (Val >> 5) & 0x7f;
210	3.58k	mode = (Val >> 1) & 0xf;
211	3.58k	unit = Val & 1;
212
213	3.58k	if (scaled) {
214	2.84k	st = '[';
215	2.84k	nd = ']';
216	2.84k	} else {
217	737	st = '(';
218	737	nd = ')';
219	737	}
220
221	3.58k	switch (mode) {
222	606	case 0:
223	606	SStream_concat(O, "*-%s%c%u%c", getRegisterName(base), st,
224	606	offset, nd);
225	606	break;
226	80	case 1:
227	80	SStream_concat(O, "*+%s%c%u%c", getRegisterName(base), st,
228	80	offset, nd);
229	80	break;
230	54	case 4:
231	54	SStream_concat(O, "*-%s%c%s%c", getRegisterName(base), st,
232	54	getRegisterName(offset), nd);
233	54	break;
234	91	case 5:
235	91	SStream_concat(O, "*+%s%c%s%c", getRegisterName(base), st,
236	91	getRegisterName(offset), nd);
237	91	break;
238	364	case 8:
239	364	SStream_concat(O, "*--%s%c%u%c", getRegisterName(base), st,
240	364	offset, nd);
241	364	break;
242	195	case 9:
243	195	SStream_concat(O, "*++%s%c%u%c", getRegisterName(base), st,
244	195	offset, nd);
245	195	break;
246	367	case 10:
247	367	SStream_concat(O, "*%s--%c%u%c", getRegisterName(base), st,
248	367	offset, nd);
249	367	break;
250	146	case 11:
251	146	SStream_concat(O, "*%s++%c%u%c", getRegisterName(base), st,
252	146	offset, nd);
253	146	break;
254	805	case 12:
255	805	SStream_concat(O, "*--%s%c%s%c", getRegisterName(base), st,
256	805	getRegisterName(offset), nd);
257	805	break;
258	172	case 13:
259	172	SStream_concat(O, "*++%s%c%s%c", getRegisterName(base), st,
260	172	getRegisterName(offset), nd);
261	172	break;
262	103	case 14:
263	103	SStream_concat(O, "*%s--%c%s%c", getRegisterName(base), st,
264	103	getRegisterName(offset), nd);
265	103	break;
266	597	case 15:
267	597	SStream_concat(O, "*%s++%c%s%c", getRegisterName(base), st,
268	597	getRegisterName(offset), nd);
269	597	break;
270	3.58k	}
271
272	3.58k	if (MI->csh->detail_opt) {
273	3.58k	tms320c64x = &MI->flat_insn->detail->tms320c64x;
274
275	3.58k	tms320c64x->operands[tms320c64x->op_count].type =
276	3.58k	TMS320C64X_OP_MEM;
277	3.58k	tms320c64x->operands[tms320c64x->op_count].mem.base = base;
278	3.58k	tms320c64x->operands[tms320c64x->op_count].mem.disp = offset;
279	3.58k	tms320c64x->operands[tms320c64x->op_count].mem.unit = unit + 1;
280	3.58k	tms320c64x->operands[tms320c64x->op_count].mem.scaled = scaled;
281	3.58k	switch (mode) {
282	606	case 0:
283	606	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
284	606	TMS320C64X_MEM_DISP_CONSTANT;
285	606	tms320c64x->operands[tms320c64x->op_count]
286	606	.mem.direction = TMS320C64X_MEM_DIR_BW;
287	606	tms320c64x->operands[tms320c64x->op_count].mem.modify =
288	606	TMS320C64X_MEM_MOD_NO;
289	606	break;
290	80	case 1:
291	80	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
292	80	TMS320C64X_MEM_DISP_CONSTANT;
293	80	tms320c64x->operands[tms320c64x->op_count]
294	80	.mem.direction = TMS320C64X_MEM_DIR_FW;
295	80	tms320c64x->operands[tms320c64x->op_count].mem.modify =
296	80	TMS320C64X_MEM_MOD_NO;
297	80	break;
298	54	case 4:
299	54	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
300	54	TMS320C64X_MEM_DISP_REGISTER;
301	54	tms320c64x->operands[tms320c64x->op_count]
302	54	.mem.direction = TMS320C64X_MEM_DIR_BW;
303	54	tms320c64x->operands[tms320c64x->op_count].mem.modify =
304	54	TMS320C64X_MEM_MOD_NO;
305	54	break;
306	91	case 5:
307	91	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
308	91	TMS320C64X_MEM_DISP_REGISTER;
309	91	tms320c64x->operands[tms320c64x->op_count]
310	91	.mem.direction = TMS320C64X_MEM_DIR_FW;
311	91	tms320c64x->operands[tms320c64x->op_count].mem.modify =
312	91	TMS320C64X_MEM_MOD_NO;
313	91	break;
314	364	case 8:
315	364	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
316	364	TMS320C64X_MEM_DISP_CONSTANT;
317	364	tms320c64x->operands[tms320c64x->op_count]
318	364	.mem.direction = TMS320C64X_MEM_DIR_BW;
319	364	tms320c64x->operands[tms320c64x->op_count].mem.modify =
320	364	TMS320C64X_MEM_MOD_PRE;
321	364	break;
322	195	case 9:
323	195	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
324	195	TMS320C64X_MEM_DISP_CONSTANT;
325	195	tms320c64x->operands[tms320c64x->op_count]
326	195	.mem.direction = TMS320C64X_MEM_DIR_FW;
327	195	tms320c64x->operands[tms320c64x->op_count].mem.modify =
328	195	TMS320C64X_MEM_MOD_PRE;
329	195	break;
330	367	case 10:
331	367	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
332	367	TMS320C64X_MEM_DISP_CONSTANT;
333	367	tms320c64x->operands[tms320c64x->op_count]
334	367	.mem.direction = TMS320C64X_MEM_DIR_BW;
335	367	tms320c64x->operands[tms320c64x->op_count].mem.modify =
336	367	TMS320C64X_MEM_MOD_POST;
337	367	break;
338	146	case 11:
339	146	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
340	146	TMS320C64X_MEM_DISP_CONSTANT;
341	146	tms320c64x->operands[tms320c64x->op_count]
342	146	.mem.direction = TMS320C64X_MEM_DIR_FW;
343	146	tms320c64x->operands[tms320c64x->op_count].mem.modify =
344	146	TMS320C64X_MEM_MOD_POST;
345	146	break;
346	805	case 12:
347	805	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
348	805	TMS320C64X_MEM_DISP_REGISTER;
349	805	tms320c64x->operands[tms320c64x->op_count]
350	805	.mem.direction = TMS320C64X_MEM_DIR_BW;
351	805	tms320c64x->operands[tms320c64x->op_count].mem.modify =
352	805	TMS320C64X_MEM_MOD_PRE;
353	805	break;
354	172	case 13:
355	172	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
356	172	TMS320C64X_MEM_DISP_REGISTER;
357	172	tms320c64x->operands[tms320c64x->op_count]
358	172	.mem.direction = TMS320C64X_MEM_DIR_FW;
359	172	tms320c64x->operands[tms320c64x->op_count].mem.modify =
360	172	TMS320C64X_MEM_MOD_PRE;
361	172	break;
362	103	case 14:
363	103	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
364	103	TMS320C64X_MEM_DISP_REGISTER;
365	103	tms320c64x->operands[tms320c64x->op_count]
366	103	.mem.direction = TMS320C64X_MEM_DIR_BW;
367	103	tms320c64x->operands[tms320c64x->op_count].mem.modify =
368	103	TMS320C64X_MEM_MOD_POST;
369	103	break;
370	597	case 15:
371	597	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
372	597	TMS320C64X_MEM_DISP_REGISTER;
373	597	tms320c64x->operands[tms320c64x->op_count]
374	597	.mem.direction = TMS320C64X_MEM_DIR_FW;
375	597	tms320c64x->operands[tms320c64x->op_count].mem.modify =
376	597	TMS320C64X_MEM_MOD_POST;
377	597	break;
378	3.58k	}
379	3.58k	tms320c64x->op_count++;
380	3.58k	}
381	3.58k	}
382
383		static void printMemOperand2(MCInst MI, unsigned OpNo, SStream O)
384	4.45k	{
385	4.45k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
386	4.45k	int64_t Val = MCOperand_getImm(Op);
387	4.45k	uint16_t offset;
388	4.45k	unsigned basereg;
389	4.45k	cs_tms320c64x *tms320c64x;
390
391	4.45k	basereg = Val & 0x7f;
392	4.45k	offset = (Val >> 7) & 0x7fff;
393	4.45k	SStream_concat(O, "*+%s[0x%x]", getRegisterName(basereg), offset);
394
395	4.45k	if (MI->csh->detail_opt) {
396	4.45k	tms320c64x = &MI->flat_insn->detail->tms320c64x;
397
398	4.45k	tms320c64x->operands[tms320c64x->op_count].type =
399	4.45k	TMS320C64X_OP_MEM;
400	4.45k	tms320c64x->operands[tms320c64x->op_count].mem.base = basereg;
401	4.45k	tms320c64x->operands[tms320c64x->op_count].mem.unit = 2;
402	4.45k	tms320c64x->operands[tms320c64x->op_count].mem.disp = offset;
403	4.45k	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
404	4.45k	TMS320C64X_MEM_DISP_CONSTANT;
405	4.45k	tms320c64x->operands[tms320c64x->op_count].mem.direction =
406	4.45k	TMS320C64X_MEM_DIR_FW;
407	4.45k	tms320c64x->operands[tms320c64x->op_count].mem.modify =
408	4.45k	TMS320C64X_MEM_MOD_NO;
409	4.45k	tms320c64x->op_count++;
410	4.45k	}
411	4.45k	}
412
413		static void printRegPair(MCInst MI, unsigned OpNo, SStream O)
414	6.68k	{
415	6.68k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
416	6.68k	unsigned reg = MCOperand_getReg(Op);
417	6.68k	cs_tms320c64x *tms320c64x;
418
419	6.68k	SStream_concat(O, "%s:%s", getRegisterName(reg + 1),
420	6.68k	getRegisterName(reg));
421
422	6.68k	if (MI->csh->detail_opt) {
423	6.68k	tms320c64x = &MI->flat_insn->detail->tms320c64x;
424
425	6.68k	tms320c64x->operands[tms320c64x->op_count].type =
426	6.68k	TMS320C64X_OP_REGPAIR;
427	6.68k	tms320c64x->operands[tms320c64x->op_count].reg = reg;
428	6.68k	tms320c64x->op_count++;
429	6.68k	}
430	6.68k	}
431
432		static bool printAliasInstruction(MCInst MI, SStream O, MCRegisterInfo *MRI)
433	28.8k	{
434	28.8k	unsigned opcode = MCInst_getOpcode(MI);
435	28.8k	MCOperand *op;
436
437	28.8k	switch (opcode) {
438		/* ADD.Dx -i, x, y -> SUB.Dx x, i, y */
439	183	case TMS320C64x_ADD_d2_rir:
440		/* ADD.L -i, x, y -> SUB.L x, i, y */
441	444	case TMS320C64x_ADD_l1_irr:
442	779	case TMS320C64x_ADD_l1_ipp:
443		/* ADD.S -i, x, y -> SUB.S x, i, y */
444	1.13k	case TMS320C64x_ADD_s1_irr:
445	1.13k	if ((MCInst_getNumOperands(MI) == 3) &&
446	1.13k	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
447	1.13k	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
448	1.13k	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
449	1.13k	(MCOperand_getImm(MCInst_getOperand(MI, 2)) < 0)) {
450	49	MCInst_setOpcodePub(MI, TMS320C64X_INS_SUB);
451	49	op = MCInst_getOperand(MI, 2);
452	49	MCOperand_setImm(op, -MCOperand_getImm(op));
453
454	49	SStream_concat0(O, "SUB\t");
455	49	printOperand(MI, 1, O);
456	49	SStream_concat0(O, ", ");
457	49	printOperand(MI, 2, O);
458	49	SStream_concat0(O, ", ");
459	49	printOperand(MI, 0, O);
460
461	49	return true;
462	49	}
463	1.08k	break;
464	28.8k	}
465	28.8k	switch (opcode) {
466		/* ADD.D 0, x, y -> MV.D x, y */
467	57	case TMS320C64x_ADD_d1_rir:
468		/* OR.D x, 0, y -> MV.D x, y */
469	359	case TMS320C64x_OR_d2_rir:
470		/* ADD.L 0, x, y -> MV.L x, y */
471	601	case TMS320C64x_ADD_l1_irr:
472	920	case TMS320C64x_ADD_l1_ipp:
473		/* OR.L 0, x, y -> MV.L x, y */
474	970	case TMS320C64x_OR_l1_irr:
475		/* ADD.S 0, x, y -> MV.S x, y */
476	1.31k	case TMS320C64x_ADD_s1_irr:
477		/* OR.S 0, x, y -> MV.S x, y */
478	1.39k	case TMS320C64x_OR_s1_irr:
479	1.39k	if ((MCInst_getNumOperands(MI) == 3) &&
480	1.39k	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
481	1.39k	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
482	1.39k	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
483	1.39k	(MCOperand_getImm(MCInst_getOperand(MI, 2)) == 0)) {
484	550	MCInst_setOpcodePub(MI, TMS320C64X_INS_MV);
485	550	MI->size--;
486
487	550	SStream_concat0(O, "MV\t");
488	550	printOperand(MI, 1, O);
489	550	SStream_concat0(O, ", ");
490	550	printOperand(MI, 0, O);
491
492	550	return true;
493	550	}
494	843	break;
495	28.8k	}
496	28.2k	switch (opcode) {
497		/* XOR.D -1, x, y -> NOT.D x, y */
498	28	case TMS320C64x_XOR_d2_rir:
499		/* XOR.L -1, x, y -> NOT.L x, y */
500	105	case TMS320C64x_XOR_l1_irr:
501		/* XOR.S -1, x, y -> NOT.S x, y */
502	199	case TMS320C64x_XOR_s1_irr:
503	199	if ((MCInst_getNumOperands(MI) == 3) &&
504	199	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
505	199	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
506	199	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
507	199	(MCOperand_getImm(MCInst_getOperand(MI, 2)) == -1)) {
508	52	MCInst_setOpcodePub(MI, TMS320C64X_INS_NOT);
509	52	MI->size--;
510
511	52	SStream_concat0(O, "NOT\t");
512	52	printOperand(MI, 1, O);
513	52	SStream_concat0(O, ", ");
514	52	printOperand(MI, 0, O);
515
516	52	return true;
517	52	}
518	147	break;
519	28.2k	}
520	28.2k	switch (opcode) {
521		/* MVK.D 0, x -> ZERO.D x */
522	128	case TMS320C64x_MVK_d1_rr:
523		/* MVK.L 0, x -> ZERO.L x */
524	421	case TMS320C64x_MVK_l2_ir:
525	421	if ((MCInst_getNumOperands(MI) == 2) &&
526	421	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
527	421	MCOperand_isImm(MCInst_getOperand(MI, 1)) &&
528	421	(MCOperand_getImm(MCInst_getOperand(MI, 1)) == 0)) {
529	268	MCInst_setOpcodePub(MI, TMS320C64X_INS_ZERO);
530	268	MI->size--;
531
532	268	SStream_concat0(O, "ZERO\t");
533	268	printOperand(MI, 0, O);
534
535	268	return true;
536	268	}
537	153	break;
538	28.2k	}
539	27.9k	switch (opcode) {
540		/* SUB.L x, x, y -> ZERO.L y */
541	21	case TMS320C64x_SUB_l1_rrp_x1:
542		/* SUB.S x, x, y -> ZERO.S y */
543	110	case TMS320C64x_SUB_s1_rrr:
544	110	if ((MCInst_getNumOperands(MI) == 3) &&
545	110	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
546	110	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
547	110	MCOperand_isReg(MCInst_getOperand(MI, 2)) &&
548	110	(MCOperand_getReg(MCInst_getOperand(MI, 1)) ==
549	110	MCOperand_getReg(MCInst_getOperand(MI, 2)))) {
550	65	MCInst_setOpcodePub(MI, TMS320C64X_INS_ZERO);
551	65	MI->size -= 2;
552
553	65	SStream_concat0(O, "ZERO\t");
554	65	printOperand(MI, 0, O);
555
556	65	return true;
557	65	}
558	45	break;
559	27.9k	}
560	27.8k	switch (opcode) {
561		/* SUB.L 0, x, y -> NEG.L x, y */
562	508	case TMS320C64x_SUB_l1_irr:
563	572	case TMS320C64x_SUB_l1_ipp:
564		/* SUB.S 0, x, y -> NEG.S x, y */
565	607	case TMS320C64x_SUB_s1_irr:
566	607	if ((MCInst_getNumOperands(MI) == 3) &&
567	607	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
568	607	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
569	607	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
570	607	(MCOperand_getImm(MCInst_getOperand(MI, 2)) == 0)) {
571	199	MCInst_setOpcodePub(MI, TMS320C64X_INS_NEG);
572	199	MI->size--;
573
574	199	SStream_concat0(O, "NEG\t");
575	199	printOperand(MI, 1, O);
576	199	SStream_concat0(O, ", ");
577	199	printOperand(MI, 0, O);
578
579	199	return true;
580	199	}
581	408	break;
582	27.8k	}
583	27.6k	switch (opcode) {
584		/* PACKLH2.L x, x, y -> SWAP2.L x, y */
585	198	case TMS320C64x_PACKLH2_l1_rrr_x2:
586		/* PACKLH2.S x, x, y -> SWAP2.S x, y */
587	690	case TMS320C64x_PACKLH2_s1_rrr:
588	690	if ((MCInst_getNumOperands(MI) == 3) &&
589	690	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
590	690	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
591	690	MCOperand_isReg(MCInst_getOperand(MI, 2)) &&
592	690	(MCOperand_getReg(MCInst_getOperand(MI, 1)) ==
593	690	MCOperand_getReg(MCInst_getOperand(MI, 2)))) {
594	22	MCInst_setOpcodePub(MI, TMS320C64X_INS_SWAP2);
595	22	MI->size--;
596
597	22	SStream_concat0(O, "SWAP2\t");
598	22	printOperand(MI, 1, O);
599	22	SStream_concat0(O, ", ");
600	22	printOperand(MI, 0, O);
601
602	22	return true;
603	22	}
604	668	break;
605	27.6k	}
606	27.6k	switch (opcode) {
607		/* NOP 16 -> IDLE */
608		/* NOP 1 -> NOP */
609	460	case TMS320C64x_NOP_n:
610	460	if ((MCInst_getNumOperands(MI) == 1) &&
611	460	MCOperand_isImm(MCInst_getOperand(MI, 0)) &&
612	460	(MCOperand_getReg(MCInst_getOperand(MI, 0)) == 16)) {
613	6	MCInst_setOpcodePub(MI, TMS320C64X_INS_IDLE);
614	6	MI->size--;
615
616	6	SStream_concat0(O, "IDLE");
617
618	6	return true;
619	6	}
620	454	if ((MCInst_getNumOperands(MI) == 1) &&
621	454	MCOperand_isImm(MCInst_getOperand(MI, 0)) &&
622	454	(MCOperand_getReg(MCInst_getOperand(MI, 0)) == 1)) {
623	434	MI->size--;
624
625	434	SStream_concat0(O, "NOP");
626
627	434	return true;
628	434	}
629	20	break;
630	27.6k	}
631
632	27.2k	return false;
633	27.6k	}
634
635		void TMS320C64x_printInst(MCInst MI, SStream O, void *Info)
636	28.8k	{
637	28.8k	if (!printAliasInstruction(MI, O, Info))
638	27.2k	printInstruction(MI, O, Info);
639	28.8k	}
640
641		#endif