/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: 2025-10-10 06:20

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	14.5k	{
28	14.5k	SStream ss;
29	14.5k	const char op_str_ptr, p2;
30	14.5k	char tmp[8] = { 0 };
31	14.5k	unsigned int unit = 0;
32	14.5k	int i;
33	14.5k	cs_tms320c64x *tms320c64x;
34
35	14.5k	if (mci->csh->detail_opt) {
36	14.5k	tms320c64x = &mci->flat_insn->detail->tms320c64x;
37
38	14.5k	for (i = 0; i < insn->detail->groups_count; i++) {
39	14.5k	switch (insn->detail->groups[i]) {
40	4.01k	case TMS320C64X_GRP_FUNIT_D:
41	4.01k	unit = TMS320C64X_FUNIT_D;
42	4.01k	break;
43	3.15k	case TMS320C64X_GRP_FUNIT_L:
44	3.15k	unit = TMS320C64X_FUNIT_L;
45	3.15k	break;
46	605	case TMS320C64X_GRP_FUNIT_M:
47	605	unit = TMS320C64X_FUNIT_M;
48	605	break;
49	6.56k	case TMS320C64X_GRP_FUNIT_S:
50	6.56k	unit = TMS320C64X_FUNIT_S;
51	6.56k	break;
52	227	case TMS320C64X_GRP_FUNIT_NO:
53	227	unit = TMS320C64X_FUNIT_NO;
54	227	break;
55	14.5k	}
56	14.5k	if (unit != 0)
57	14.5k	break;
58	14.5k	}
59	14.5k	tms320c64x->funit.unit = unit;
60
61	14.5k	SStream_Init(&ss);
62	14.5k	if (tms320c64x->condition.reg != TMS320C64X_REG_INVALID)
63	9.87k	SStream_concat(
64	9.87k	&ss, "[%c%s]\|",
65	9.87k	(tms320c64x->condition.zero == 1) ? '!' : '\|',
66	9.87k	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	14.5k	op_str_ptr = strchr(SStream_rbuf(insn_asm), '\t');
72
73	14.5k	if ((op_str_ptr != NULL) &&
74	14.3k	(((p2 = strchr(op_str_ptr, '[')) != NULL) \|\|
75	11.1k	((p2 = strchr(op_str_ptr, '(')) != NULL))) {
76	14.7k	while ((p2 > op_str_ptr) &&
77	14.7k	((p2 != 'a') && (p2 != 'b')))
78	11.4k	p2--;
79	3.34k	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	3.34k	if (*p2 == 'a')
85	2.02k	strncpy(tmp, "1T", sizeof(tmp));
86	1.32k	else
87	1.32k	strncpy(tmp, "2T", sizeof(tmp));
88	11.2k	} else {
89	11.2k	tmp[0] = '\0';
90	11.2k	}
91	14.5k	SStream mnem_post = { 0 };
92	14.5k	SStream_Init(&mnem_post);
93	14.5k	switch (tms320c64x->funit.unit) {
94	4.01k	case TMS320C64X_FUNIT_D:
95	4.01k	SStream_concat(&mnem_post, ".D%s%u", tmp,
96	4.01k	tms320c64x->funit.side);
97	4.01k	break;
98	3.15k	case TMS320C64X_FUNIT_L:
99	3.15k	SStream_concat(&mnem_post, ".L%s%u", tmp,
100	3.15k	tms320c64x->funit.side);
101	3.15k	break;
102	605	case TMS320C64X_FUNIT_M:
103	605	SStream_concat(&mnem_post, ".M%s%u", tmp,
104	605	tms320c64x->funit.side);
105	605	break;
106	6.56k	case TMS320C64X_FUNIT_S:
107	6.56k	SStream_concat(&mnem_post, ".S%s%u", tmp,
108	6.56k	tms320c64x->funit.side);
109	6.56k	break;
110	14.5k	}
111	14.5k	if (tms320c64x->funit.crosspath > 0)
112	4.92k	SStream_concat0(&mnem_post, "X");
113
114	14.5k	if (op_str_ptr != NULL) {
115		// There is an op_str
116	14.3k	SStream_concat1(&mnem_post, '\t');
117	14.3k	SStream_replc_str(insn_asm, '\t',
118	14.3k	SStream_rbuf(&mnem_post));
119	14.3k	}
120
121	14.5k	if (tms320c64x->parallel != 0)
122	7.37k	SStream_concat0(insn_asm, "\t\|\|");
123	14.5k	SStream_concat0(&ss, SStream_rbuf(insn_asm));
124	14.5k	SStream_Flush(insn_asm, NULL);
125	14.5k	SStream_concat0(insn_asm, SStream_rbuf(&ss));
126	14.5k	}
127	14.5k	}
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	57.4k	{
137	57.4k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
138	57.4k	unsigned reg;
139
140	57.4k	if (MCOperand_isReg(Op)) {
141	39.1k	reg = MCOperand_getReg(Op);
142	39.1k	if ((MCInst_getOpcode(MI) == TMS320C64x_MVC_s1_rr) &&
143	2.92k	(OpNo == 1)) {
144	1.46k	switch (reg) {
145	846	case TMS320C64X_REG_EFR:
146	846	SStream_concat0(O, "EFR");
147	846	break;
148	383	case TMS320C64X_REG_IFR:
149	383	SStream_concat0(O, "IFR");
150	383	break;
151	234	default:
152	234	SStream_concat0(O, getRegisterName(reg));
153	234	break;
154	1.46k	}
155	37.6k	} else {
156	37.6k	SStream_concat0(O, getRegisterName(reg));
157	37.6k	}
158
159	39.1k	if (MI->csh->detail_opt) {
160	39.1k	MI->flat_insn->detail->tms320c64x
161	39.1k	.operands[MI->flat_insn->detail->tms320c64x
162	39.1k	.op_count]
163	39.1k	.type = TMS320C64X_OP_REG;
164	39.1k	MI->flat_insn->detail->tms320c64x
165	39.1k	.operands[MI->flat_insn->detail->tms320c64x
166	39.1k	.op_count]
167	39.1k	.reg = reg;
168	39.1k	MI->flat_insn->detail->tms320c64x.op_count++;
169	39.1k	}
170	39.1k	} else if (MCOperand_isImm(Op)) {
171	18.3k	int64_t Imm = MCOperand_getImm(Op);
172
173	18.3k	if (Imm >= 0) {
174	15.4k	if (Imm > HEX_THRESHOLD)
175	9.02k	SStream_concat(O, "0x%" PRIx64, Imm);
176	6.42k	else
177	6.42k	SStream_concat(O, "%" PRIu64, Imm);
178	15.4k	} else {
179	2.93k	if (Imm < -HEX_THRESHOLD)
180	2.35k	SStream_concat(O, "-0x%" PRIx64, -Imm);
181	577	else
182	577	SStream_concat(O, "-%" PRIu64, -Imm);
183	2.93k	}
184
185	18.3k	if (MI->csh->detail_opt) {
186	18.3k	MI->flat_insn->detail->tms320c64x
187	18.3k	.operands[MI->flat_insn->detail->tms320c64x
188	18.3k	.op_count]
189	18.3k	.type = TMS320C64X_OP_IMM;
190	18.3k	MI->flat_insn->detail->tms320c64x
191	18.3k	.operands[MI->flat_insn->detail->tms320c64x
192	18.3k	.op_count]
193	18.3k	.imm = Imm;
194	18.3k	MI->flat_insn->detail->tms320c64x.op_count++;
195	18.3k	}
196	18.3k	}
197	57.4k	}
198
199		static void printMemOperand(MCInst MI, unsigned OpNo, SStream O)
200	3.66k	{
201	3.66k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
202	3.66k	int64_t Val = MCOperand_getImm(Op);
203	3.66k	unsigned scaled, base, offset, mode, unit;
204	3.66k	cs_tms320c64x *tms320c64x;
205	3.66k	char st, nd;
206
207	3.66k	scaled = (Val >> 19) & 1;
208	3.66k	base = (Val >> 12) & 0x7f;
209	3.66k	offset = (Val >> 5) & 0x7f;
210	3.66k	mode = (Val >> 1) & 0xf;
211	3.66k	unit = Val & 1;
212
213	3.66k	if (scaled) {
214	3.34k	st = '[';
215	3.34k	nd = ']';
216	3.34k	} else {
217	319	st = '(';
218	319	nd = ')';
219	319	}
220
221	3.66k	switch (mode) {
222	330	case 0:
223	330	SStream_concat(O, "*-%s%c%u%c", getRegisterName(base), st,
224	330	offset, nd);
225	330	break;
226	362	case 1:
227	362	SStream_concat(O, "*+%s%c%u%c", getRegisterName(base), st,
228	362	offset, nd);
229	362	break;
230	89	case 4:
231	89	SStream_concat(O, "*-%s%c%s%c", getRegisterName(base), st,
232	89	getRegisterName(offset), nd);
233	89	break;
234	383	case 5:
235	383	SStream_concat(O, "*+%s%c%s%c", getRegisterName(base), st,
236	383	getRegisterName(offset), nd);
237	383	break;
238	306	case 8:
239	306	SStream_concat(O, "*--%s%c%u%c", getRegisterName(base), st,
240	306	offset, nd);
241	306	break;
242	363	case 9:
243	363	SStream_concat(O, "*++%s%c%u%c", getRegisterName(base), st,
244	363	offset, nd);
245	363	break;
246	245	case 10:
247	245	SStream_concat(O, "*%s--%c%u%c", getRegisterName(base), st,
248	245	offset, nd);
249	245	break;
250	896	case 11:
251	896	SStream_concat(O, "*%s++%c%u%c", getRegisterName(base), st,
252	896	offset, nd);
253	896	break;
254	253	case 12:
255	253	SStream_concat(O, "*--%s%c%s%c", getRegisterName(base), st,
256	253	getRegisterName(offset), nd);
257	253	break;
258	194	case 13:
259	194	SStream_concat(O, "*++%s%c%s%c", getRegisterName(base), st,
260	194	getRegisterName(offset), nd);
261	194	break;
262	19	case 14:
263	19	SStream_concat(O, "*%s--%c%s%c", getRegisterName(base), st,
264	19	getRegisterName(offset), nd);
265	19	break;
266	225	case 15:
267	225	SStream_concat(O, "*%s++%c%s%c", getRegisterName(base), st,
268	225	getRegisterName(offset), nd);
269	225	break;
270	3.66k	}
271
272	3.66k	if (MI->csh->detail_opt) {
273	3.66k	tms320c64x = &MI->flat_insn->detail->tms320c64x;
274
275	3.66k	tms320c64x->operands[tms320c64x->op_count].type =
276	3.66k	TMS320C64X_OP_MEM;
277	3.66k	tms320c64x->operands[tms320c64x->op_count].mem.base = base;
278	3.66k	tms320c64x->operands[tms320c64x->op_count].mem.disp = offset;
279	3.66k	tms320c64x->operands[tms320c64x->op_count].mem.unit = unit + 1;
280	3.66k	tms320c64x->operands[tms320c64x->op_count].mem.scaled = scaled;
281	3.66k	switch (mode) {
282	330	case 0:
283	330	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
284	330	TMS320C64X_MEM_DISP_CONSTANT;
285	330	tms320c64x->operands[tms320c64x->op_count]
286	330	.mem.direction = TMS320C64X_MEM_DIR_BW;
287	330	tms320c64x->operands[tms320c64x->op_count].mem.modify =
288	330	TMS320C64X_MEM_MOD_NO;
289	330	break;
290	362	case 1:
291	362	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
292	362	TMS320C64X_MEM_DISP_CONSTANT;
293	362	tms320c64x->operands[tms320c64x->op_count]
294	362	.mem.direction = TMS320C64X_MEM_DIR_FW;
295	362	tms320c64x->operands[tms320c64x->op_count].mem.modify =
296	362	TMS320C64X_MEM_MOD_NO;
297	362	break;
298	89	case 4:
299	89	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
300	89	TMS320C64X_MEM_DISP_REGISTER;
301	89	tms320c64x->operands[tms320c64x->op_count]
302	89	.mem.direction = TMS320C64X_MEM_DIR_BW;
303	89	tms320c64x->operands[tms320c64x->op_count].mem.modify =
304	89	TMS320C64X_MEM_MOD_NO;
305	89	break;
306	383	case 5:
307	383	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
308	383	TMS320C64X_MEM_DISP_REGISTER;
309	383	tms320c64x->operands[tms320c64x->op_count]
310	383	.mem.direction = TMS320C64X_MEM_DIR_FW;
311	383	tms320c64x->operands[tms320c64x->op_count].mem.modify =
312	383	TMS320C64X_MEM_MOD_NO;
313	383	break;
314	306	case 8:
315	306	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
316	306	TMS320C64X_MEM_DISP_CONSTANT;
317	306	tms320c64x->operands[tms320c64x->op_count]
318	306	.mem.direction = TMS320C64X_MEM_DIR_BW;
319	306	tms320c64x->operands[tms320c64x->op_count].mem.modify =
320	306	TMS320C64X_MEM_MOD_PRE;
321	306	break;
322	363	case 9:
323	363	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
324	363	TMS320C64X_MEM_DISP_CONSTANT;
325	363	tms320c64x->operands[tms320c64x->op_count]
326	363	.mem.direction = TMS320C64X_MEM_DIR_FW;
327	363	tms320c64x->operands[tms320c64x->op_count].mem.modify =
328	363	TMS320C64X_MEM_MOD_PRE;
329	363	break;
330	245	case 10:
331	245	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
332	245	TMS320C64X_MEM_DISP_CONSTANT;
333	245	tms320c64x->operands[tms320c64x->op_count]
334	245	.mem.direction = TMS320C64X_MEM_DIR_BW;
335	245	tms320c64x->operands[tms320c64x->op_count].mem.modify =
336	245	TMS320C64X_MEM_MOD_POST;
337	245	break;
338	896	case 11:
339	896	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
340	896	TMS320C64X_MEM_DISP_CONSTANT;
341	896	tms320c64x->operands[tms320c64x->op_count]
342	896	.mem.direction = TMS320C64X_MEM_DIR_FW;
343	896	tms320c64x->operands[tms320c64x->op_count].mem.modify =
344	896	TMS320C64X_MEM_MOD_POST;
345	896	break;
346	253	case 12:
347	253	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
348	253	TMS320C64X_MEM_DISP_REGISTER;
349	253	tms320c64x->operands[tms320c64x->op_count]
350	253	.mem.direction = TMS320C64X_MEM_DIR_BW;
351	253	tms320c64x->operands[tms320c64x->op_count].mem.modify =
352	253	TMS320C64X_MEM_MOD_PRE;
353	253	break;
354	194	case 13:
355	194	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
356	194	TMS320C64X_MEM_DISP_REGISTER;
357	194	tms320c64x->operands[tms320c64x->op_count]
358	194	.mem.direction = TMS320C64X_MEM_DIR_FW;
359	194	tms320c64x->operands[tms320c64x->op_count].mem.modify =
360	194	TMS320C64X_MEM_MOD_PRE;
361	194	break;
362	19	case 14:
363	19	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
364	19	TMS320C64X_MEM_DISP_REGISTER;
365	19	tms320c64x->operands[tms320c64x->op_count]
366	19	.mem.direction = TMS320C64X_MEM_DIR_BW;
367	19	tms320c64x->operands[tms320c64x->op_count].mem.modify =
368	19	TMS320C64X_MEM_MOD_POST;
369	19	break;
370	225	case 15:
371	225	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
372	225	TMS320C64X_MEM_DISP_REGISTER;
373	225	tms320c64x->operands[tms320c64x->op_count]
374	225	.mem.direction = TMS320C64X_MEM_DIR_FW;
375	225	tms320c64x->operands[tms320c64x->op_count].mem.modify =
376	225	TMS320C64X_MEM_MOD_POST;
377	225	break;
378	3.66k	}
379	3.66k	tms320c64x->op_count++;
380	3.66k	}
381	3.66k	}
382
383		static void printMemOperand2(MCInst MI, unsigned OpNo, SStream O)
384	2.50k	{
385	2.50k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
386	2.50k	int64_t Val = MCOperand_getImm(Op);
387	2.50k	uint16_t offset;
388	2.50k	unsigned basereg;
389	2.50k	cs_tms320c64x *tms320c64x;
390
391	2.50k	basereg = Val & 0x7f;
392	2.50k	offset = (Val >> 7) & 0x7fff;
393	2.50k	SStream_concat(O, "*+%s[0x%x]", getRegisterName(basereg), offset);
394
395	2.50k	if (MI->csh->detail_opt) {
396	2.50k	tms320c64x = &MI->flat_insn->detail->tms320c64x;
397
398	2.50k	tms320c64x->operands[tms320c64x->op_count].type =
399	2.50k	TMS320C64X_OP_MEM;
400	2.50k	tms320c64x->operands[tms320c64x->op_count].mem.base = basereg;
401	2.50k	tms320c64x->operands[tms320c64x->op_count].mem.unit = 2;
402	2.50k	tms320c64x->operands[tms320c64x->op_count].mem.disp = offset;
403	2.50k	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
404	2.50k	TMS320C64X_MEM_DISP_CONSTANT;
405	2.50k	tms320c64x->operands[tms320c64x->op_count].mem.direction =
406	2.50k	TMS320C64X_MEM_DIR_FW;
407	2.50k	tms320c64x->operands[tms320c64x->op_count].mem.modify =
408	2.50k	TMS320C64X_MEM_MOD_NO;
409	2.50k	tms320c64x->op_count++;
410	2.50k	}
411	2.50k	}
412
413		static void printRegPair(MCInst MI, unsigned OpNo, SStream O)
414	9.06k	{
415	9.06k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
416	9.06k	unsigned reg = MCOperand_getReg(Op);
417	9.06k	cs_tms320c64x *tms320c64x;
418
419	9.06k	SStream_concat(O, "%s:%s", getRegisterName(reg + 1),
420	9.06k	getRegisterName(reg));
421
422	9.06k	if (MI->csh->detail_opt) {
423	9.06k	tms320c64x = &MI->flat_insn->detail->tms320c64x;
424
425	9.06k	tms320c64x->operands[tms320c64x->op_count].type =
426	9.06k	TMS320C64X_OP_REGPAIR;
427	9.06k	tms320c64x->operands[tms320c64x->op_count].reg = reg;
428	9.06k	tms320c64x->op_count++;
429	9.06k	}
430	9.06k	}
431
432		static bool printAliasInstruction(MCInst MI, SStream O, MCRegisterInfo *MRI)
433	31.4k	{
434	31.4k	unsigned opcode = MCInst_getOpcode(MI);
435	31.4k	MCOperand *op;
436
437	31.4k	switch (opcode) {
438		/* ADD.Dx -i, x, y -> SUB.Dx x, i, y */
439	29	case TMS320C64x_ADD_d2_rir:
440		/* ADD.L -i, x, y -> SUB.L x, i, y */
441	303	case TMS320C64x_ADD_l1_irr:
442	656	case TMS320C64x_ADD_l1_ipp:
443		/* ADD.S -i, x, y -> SUB.S x, i, y */
444	899	case TMS320C64x_ADD_s1_irr:
445	899	if ((MCInst_getNumOperands(MI) == 3) &&
446	899	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
447	899	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
448	899	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
449	899	(MCOperand_getImm(MCInst_getOperand(MI, 2)) < 0)) {
450	400	MCInst_setOpcodePub(MI, TMS320C64X_INS_SUB);
451	400	op = MCInst_getOperand(MI, 2);
452	400	MCOperand_setImm(op, -MCOperand_getImm(op));
453
454	400	SStream_concat0(O, "SUB\t");
455	400	printOperand(MI, 1, O);
456	400	SStream_concat0(O, ", ");
457	400	printOperand(MI, 2, O);
458	400	SStream_concat0(O, ", ");
459	400	printOperand(MI, 0, O);
460
461	400	return true;
462	400	}
463	499	break;
464	31.4k	}
465	31.0k	switch (opcode) {
466		/* ADD.D 0, x, y -> MV.D x, y */
467	14	case TMS320C64x_ADD_d1_rir:
468		/* OR.D x, 0, y -> MV.D x, y */
469	285	case TMS320C64x_OR_d2_rir:
470		/* ADD.L 0, x, y -> MV.L x, y */
471	482	case TMS320C64x_ADD_l1_irr:
472	543	case TMS320C64x_ADD_l1_ipp:
473		/* OR.L 0, x, y -> MV.L x, y */
474	565	case TMS320C64x_OR_l1_irr:
475		/* ADD.S 0, x, y -> MV.S x, y */
476	781	case TMS320C64x_ADD_s1_irr:
477		/* OR.S 0, x, y -> MV.S x, y */
478	994	case TMS320C64x_OR_s1_irr:
479	994	if ((MCInst_getNumOperands(MI) == 3) &&
480	994	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
481	994	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
482	994	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
483	994	(MCOperand_getImm(MCInst_getOperand(MI, 2)) == 0)) {
484	233	MCInst_setOpcodePub(MI, TMS320C64X_INS_MV);
485	233	MI->size--;
486
487	233	SStream_concat0(O, "MV\t");
488	233	printOperand(MI, 1, O);
489	233	SStream_concat0(O, ", ");
490	233	printOperand(MI, 0, O);
491
492	233	return true;
493	233	}
494	761	break;
495	31.0k	}
496	30.8k	switch (opcode) {
497		/* XOR.D -1, x, y -> NOT.D x, y */
498	25	case TMS320C64x_XOR_d2_rir:
499		/* XOR.L -1, x, y -> NOT.L x, y */
500	270	case TMS320C64x_XOR_l1_irr:
501		/* XOR.S -1, x, y -> NOT.S x, y */
502	501	case TMS320C64x_XOR_s1_irr:
503	501	if ((MCInst_getNumOperands(MI) == 3) &&
504	501	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
505	501	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
506	501	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
507	501	(MCOperand_getImm(MCInst_getOperand(MI, 2)) == -1)) {
508	57	MCInst_setOpcodePub(MI, TMS320C64X_INS_NOT);
509	57	MI->size--;
510
511	57	SStream_concat0(O, "NOT\t");
512	57	printOperand(MI, 1, O);
513	57	SStream_concat0(O, ", ");
514	57	printOperand(MI, 0, O);
515
516	57	return true;
517	57	}
518	444	break;
519	30.8k	}
520	30.8k	switch (opcode) {
521		/* MVK.D 0, x -> ZERO.D x */
522	205	case TMS320C64x_MVK_d1_rr:
523		/* MVK.L 0, x -> ZERO.L x */
524	1.06k	case TMS320C64x_MVK_l2_ir:
525	1.06k	if ((MCInst_getNumOperands(MI) == 2) &&
526	1.06k	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
527	1.06k	MCOperand_isImm(MCInst_getOperand(MI, 1)) &&
528	1.06k	(MCOperand_getImm(MCInst_getOperand(MI, 1)) == 0)) {
529	153	MCInst_setOpcodePub(MI, TMS320C64X_INS_ZERO);
530	153	MI->size--;
531
532	153	SStream_concat0(O, "ZERO\t");
533	153	printOperand(MI, 0, O);
534
535	153	return true;
536	153	}
537	910	break;
538	30.8k	}
539	30.6k	switch (opcode) {
540		/* SUB.L x, x, y -> ZERO.L y */
541	96	case TMS320C64x_SUB_l1_rrp_x1:
542		/* SUB.S x, x, y -> ZERO.S y */
543	168	case TMS320C64x_SUB_s1_rrr:
544	168	if ((MCInst_getNumOperands(MI) == 3) &&
545	168	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
546	168	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
547	168	MCOperand_isReg(MCInst_getOperand(MI, 2)) &&
548	168	(MCOperand_getReg(MCInst_getOperand(MI, 1)) ==
549	168	MCOperand_getReg(MCInst_getOperand(MI, 2)))) {
550	53	MCInst_setOpcodePub(MI, TMS320C64X_INS_ZERO);
551	53	MI->size -= 2;
552
553	53	SStream_concat0(O, "ZERO\t");
554	53	printOperand(MI, 0, O);
555
556	53	return true;
557	53	}
558	115	break;
559	30.6k	}
560	30.6k	switch (opcode) {
561		/* SUB.L 0, x, y -> NEG.L x, y */
562	166	case TMS320C64x_SUB_l1_irr:
563	396	case TMS320C64x_SUB_l1_ipp:
564		/* SUB.S 0, x, y -> NEG.S x, y */
565	508	case TMS320C64x_SUB_s1_irr:
566	508	if ((MCInst_getNumOperands(MI) == 3) &&
567	508	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
568	508	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
569	508	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
570	508	(MCOperand_getImm(MCInst_getOperand(MI, 2)) == 0)) {
571	133	MCInst_setOpcodePub(MI, TMS320C64X_INS_NEG);
572	133	MI->size--;
573
574	133	SStream_concat0(O, "NEG\t");
575	133	printOperand(MI, 1, O);
576	133	SStream_concat0(O, ", ");
577	133	printOperand(MI, 0, O);
578
579	133	return true;
580	133	}
581	375	break;
582	30.6k	}
583	30.4k	switch (opcode) {
584		/* PACKLH2.L x, x, y -> SWAP2.L x, y */
585	80	case TMS320C64x_PACKLH2_l1_rrr_x2:
586		/* PACKLH2.S x, x, y -> SWAP2.S x, y */
587	304	case TMS320C64x_PACKLH2_s1_rrr:
588	304	if ((MCInst_getNumOperands(MI) == 3) &&
589	304	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
590	304	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
591	304	MCOperand_isReg(MCInst_getOperand(MI, 2)) &&
592	304	(MCOperand_getReg(MCInst_getOperand(MI, 1)) ==
593	304	MCOperand_getReg(MCInst_getOperand(MI, 2)))) {
594	54	MCInst_setOpcodePub(MI, TMS320C64X_INS_SWAP2);
595	54	MI->size--;
596
597	54	SStream_concat0(O, "SWAP2\t");
598	54	printOperand(MI, 1, O);
599	54	SStream_concat0(O, ", ");
600	54	printOperand(MI, 0, O);
601
602	54	return true;
603	54	}
604	250	break;
605	30.4k	}
606	30.4k	switch (opcode) {
607		/* NOP 16 -> IDLE */
608		/* NOP 1 -> NOP */
609	1.38k	case TMS320C64x_NOP_n:
610	1.38k	if ((MCInst_getNumOperands(MI) == 1) &&
611	1.38k	MCOperand_isImm(MCInst_getOperand(MI, 0)) &&
612	1.38k	(MCOperand_getReg(MCInst_getOperand(MI, 0)) == 16)) {
613	287	MCInst_setOpcodePub(MI, TMS320C64X_INS_IDLE);
614	287	MI->size--;
615
616	287	SStream_concat0(O, "IDLE");
617
618	287	return true;
619	287	}
620	1.10k	if ((MCInst_getNumOperands(MI) == 1) &&
621	1.10k	MCOperand_isImm(MCInst_getOperand(MI, 0)) &&
622	1.10k	(MCOperand_getReg(MCInst_getOperand(MI, 0)) == 1)) {
623	592	MI->size--;
624
625	592	SStream_concat0(O, "NOP");
626
627	592	return true;
628	592	}
629	509	break;
630	30.4k	}
631
632	29.5k	return false;
633	30.4k	}
634
635		void TMS320C64x_printInst(MCInst MI, SStream O, void *Info)
636	31.4k	{
637	31.4k	if (!printAliasInstruction(MI, O, Info))
638	29.5k	printInstruction(MI, O, Info);
639	31.4k	}
640
641		#endif