/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: 2025-10-14 06:42

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	40.3k	{
28	40.3k	SStream ss;
29	40.3k	const char op_str_ptr, p2;
30	40.3k	char tmp[8] = { 0 };
31	40.3k	unsigned int unit = 0;
32	40.3k	int i;
33	40.3k	cs_tms320c64x *tms320c64x;
34
35	40.3k	if (mci->csh->detail_opt) {
36	40.3k	tms320c64x = &mci->flat_insn->detail->tms320c64x;
37
38	40.3k	for (i = 0; i < insn->detail->groups_count; i++) {
39	40.3k	switch (insn->detail->groups[i]) {
40	12.6k	case TMS320C64X_GRP_FUNIT_D:
41	12.6k	unit = TMS320C64X_FUNIT_D;
42	12.6k	break;
43	8.14k	case TMS320C64X_GRP_FUNIT_L:
44	8.14k	unit = TMS320C64X_FUNIT_L;
45	8.14k	break;
46	2.19k	case TMS320C64X_GRP_FUNIT_M:
47	2.19k	unit = TMS320C64X_FUNIT_M;
48	2.19k	break;
49	16.7k	case TMS320C64X_GRP_FUNIT_S:
50	16.7k	unit = TMS320C64X_FUNIT_S;
51	16.7k	break;
52	643	case TMS320C64X_GRP_FUNIT_NO:
53	643	unit = TMS320C64X_FUNIT_NO;
54	643	break;
55	40.3k	}
56	40.3k	if (unit != 0)
57	40.3k	break;
58	40.3k	}
59	40.3k	tms320c64x->funit.unit = unit;
60
61	40.3k	SStream_Init(&ss);
62	40.3k	if (tms320c64x->condition.reg != TMS320C64X_REG_INVALID)
63	26.4k	SStream_concat(
64	26.4k	&ss, "[%c%s]\|",
65	26.4k	(tms320c64x->condition.zero == 1) ? '!' : '\|',
66	26.4k	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	40.3k	op_str_ptr = strchr(SStream_rbuf(insn_asm), '\t');
72
73	40.3k	if ((op_str_ptr != NULL) &&
74	39.7k	(((p2 = strchr(op_str_ptr, '[')) != NULL) \|\|
75	30.4k	((p2 = strchr(op_str_ptr, '(')) != NULL))) {
76	42.5k	while ((p2 > op_str_ptr) &&
77	42.5k	((p2 != 'a') && (p2 != 'b')))
78	32.6k	p2--;
79	9.87k	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	9.87k	if (*p2 == 'a')
85	4.98k	strncpy(tmp, "1T", sizeof(tmp));
86	4.89k	else
87	4.89k	strncpy(tmp, "2T", sizeof(tmp));
88	30.5k	} else {
89	30.5k	tmp[0] = '\0';
90	30.5k	}
91	40.3k	SStream mnem_post = { 0 };
92	40.3k	SStream_Init(&mnem_post);
93	40.3k	switch (tms320c64x->funit.unit) {
94	12.6k	case TMS320C64X_FUNIT_D:
95	12.6k	SStream_concat(&mnem_post, ".D%s%u", tmp,
96	12.6k	tms320c64x->funit.side);
97	12.6k	break;
98	8.14k	case TMS320C64X_FUNIT_L:
99	8.14k	SStream_concat(&mnem_post, ".L%s%u", tmp,
100	8.14k	tms320c64x->funit.side);
101	8.14k	break;
102	2.19k	case TMS320C64X_FUNIT_M:
103	2.19k	SStream_concat(&mnem_post, ".M%s%u", tmp,
104	2.19k	tms320c64x->funit.side);
105	2.19k	break;
106	16.7k	case TMS320C64X_FUNIT_S:
107	16.7k	SStream_concat(&mnem_post, ".S%s%u", tmp,
108	16.7k	tms320c64x->funit.side);
109	16.7k	break;
110	40.3k	}
111	40.3k	if (tms320c64x->funit.crosspath > 0)
112	11.0k	SStream_concat0(&mnem_post, "X");
113
114	40.3k	if (op_str_ptr != NULL) {
115		// There is an op_str
116	39.7k	SStream_concat1(&mnem_post, '\t');
117	39.7k	SStream_replc_str(insn_asm, '\t',
118	39.7k	SStream_rbuf(&mnem_post));
119	39.7k	}
120
121	40.3k	if (tms320c64x->parallel != 0)
122	20.3k	SStream_concat0(insn_asm, "\t\|\|");
123	40.3k	SStream_concat0(&ss, SStream_rbuf(insn_asm));
124	40.3k	SStream_Flush(insn_asm, NULL);
125	40.3k	SStream_concat0(insn_asm, SStream_rbuf(&ss));
126	40.3k	}
127	40.3k	}
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	74.5k	{
137	74.5k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
138	74.5k	unsigned reg;
139
140	74.5k	if (MCOperand_isReg(Op)) {
141	54.5k	reg = MCOperand_getReg(Op);
142	54.5k	if ((MCInst_getOpcode(MI) == TMS320C64x_MVC_s1_rr) &&
143	3.93k	(OpNo == 1)) {
144	1.96k	switch (reg) {
145	1.23k	case TMS320C64X_REG_EFR:
146	1.23k	SStream_concat0(O, "EFR");
147	1.23k	break;
148	552	case TMS320C64X_REG_IFR:
149	552	SStream_concat0(O, "IFR");
150	552	break;
151	176	default:
152	176	SStream_concat0(O, getRegisterName(reg));
153	176	break;
154	1.96k	}
155	52.6k	} else {
156	52.6k	SStream_concat0(O, getRegisterName(reg));
157	52.6k	}
158
159	54.5k	if (MI->csh->detail_opt) {
160	54.5k	MI->flat_insn->detail->tms320c64x
161	54.5k	.operands[MI->flat_insn->detail->tms320c64x
162	54.5k	.op_count]
163	54.5k	.type = TMS320C64X_OP_REG;
164	54.5k	MI->flat_insn->detail->tms320c64x
165	54.5k	.operands[MI->flat_insn->detail->tms320c64x
166	54.5k	.op_count]
167	54.5k	.reg = reg;
168	54.5k	MI->flat_insn->detail->tms320c64x.op_count++;
169	54.5k	}
170	54.5k	} else if (MCOperand_isImm(Op)) {
171	19.9k	int64_t Imm = MCOperand_getImm(Op);
172
173	19.9k	if (Imm >= 0) {
174	16.6k	if (Imm > HEX_THRESHOLD)
175	9.53k	SStream_concat(O, "0x%" PRIx64, Imm);
176	7.15k	else
177	7.15k	SStream_concat(O, "%" PRIu64, Imm);
178	16.6k	} else {
179	3.27k	if (Imm < -HEX_THRESHOLD)
180	2.60k	SStream_concat(O, "-0x%" PRIx64, -Imm);
181	668	else
182	668	SStream_concat(O, "-%" PRIu64, -Imm);
183	3.27k	}
184
185	19.9k	if (MI->csh->detail_opt) {
186	19.9k	MI->flat_insn->detail->tms320c64x
187	19.9k	.operands[MI->flat_insn->detail->tms320c64x
188	19.9k	.op_count]
189	19.9k	.type = TMS320C64X_OP_IMM;
190	19.9k	MI->flat_insn->detail->tms320c64x
191	19.9k	.operands[MI->flat_insn->detail->tms320c64x
192	19.9k	.op_count]
193	19.9k	.imm = Imm;
194	19.9k	MI->flat_insn->detail->tms320c64x.op_count++;
195	19.9k	}
196	19.9k	}
197	74.5k	}
198
199		static void printMemOperand(MCInst MI, unsigned OpNo, SStream O)
200	4.98k	{
201	4.98k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
202	4.98k	int64_t Val = MCOperand_getImm(Op);
203	4.98k	unsigned scaled, base, offset, mode, unit;
204	4.98k	cs_tms320c64x *tms320c64x;
205	4.98k	char st, nd;
206
207	4.98k	scaled = (Val >> 19) & 1;
208	4.98k	base = (Val >> 12) & 0x7f;
209	4.98k	offset = (Val >> 5) & 0x7f;
210	4.98k	mode = (Val >> 1) & 0xf;
211	4.98k	unit = Val & 1;
212
213	4.98k	if (scaled) {
214	4.47k	st = '[';
215	4.47k	nd = ']';
216	4.47k	} else {
217	509	st = '(';
218	509	nd = ')';
219	509	}
220
221	4.98k	switch (mode) {
222	478	case 0:
223	478	SStream_concat(O, "*-%s%c%u%c", getRegisterName(base), st,
224	478	offset, nd);
225	478	break;
226	482	case 1:
227	482	SStream_concat(O, "*+%s%c%u%c", getRegisterName(base), st,
228	482	offset, nd);
229	482	break;
230	111	case 4:
231	111	SStream_concat(O, "*-%s%c%s%c", getRegisterName(base), st,
232	111	getRegisterName(offset), nd);
233	111	break;
234	218	case 5:
235	218	SStream_concat(O, "*+%s%c%s%c", getRegisterName(base), st,
236	218	getRegisterName(offset), nd);
237	218	break;
238	462	case 8:
239	462	SStream_concat(O, "*--%s%c%u%c", getRegisterName(base), st,
240	462	offset, nd);
241	462	break;
242	370	case 9:
243	370	SStream_concat(O, "*++%s%c%u%c", getRegisterName(base), st,
244	370	offset, nd);
245	370	break;
246	554	case 10:
247	554	SStream_concat(O, "*%s--%c%u%c", getRegisterName(base), st,
248	554	offset, nd);
249	554	break;
250	1.14k	case 11:
251	1.14k	SStream_concat(O, "*%s++%c%u%c", getRegisterName(base), st,
252	1.14k	offset, nd);
253	1.14k	break;
254	172	case 12:
255	172	SStream_concat(O, "*--%s%c%s%c", getRegisterName(base), st,
256	172	getRegisterName(offset), nd);
257	172	break;
258	485	case 13:
259	485	SStream_concat(O, "*++%s%c%s%c", getRegisterName(base), st,
260	485	getRegisterName(offset), nd);
261	485	break;
262	262	case 14:
263	262	SStream_concat(O, "*%s--%c%s%c", getRegisterName(base), st,
264	262	getRegisterName(offset), nd);
265	262	break;
266	248	case 15:
267	248	SStream_concat(O, "*%s++%c%s%c", getRegisterName(base), st,
268	248	getRegisterName(offset), nd);
269	248	break;
270	4.98k	}
271
272	4.98k	if (MI->csh->detail_opt) {
273	4.98k	tms320c64x = &MI->flat_insn->detail->tms320c64x;
274
275	4.98k	tms320c64x->operands[tms320c64x->op_count].type =
276	4.98k	TMS320C64X_OP_MEM;
277	4.98k	tms320c64x->operands[tms320c64x->op_count].mem.base = base;
278	4.98k	tms320c64x->operands[tms320c64x->op_count].mem.disp = offset;
279	4.98k	tms320c64x->operands[tms320c64x->op_count].mem.unit = unit + 1;
280	4.98k	tms320c64x->operands[tms320c64x->op_count].mem.scaled = scaled;
281	4.98k	switch (mode) {
282	478	case 0:
283	478	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
284	478	TMS320C64X_MEM_DISP_CONSTANT;
285	478	tms320c64x->operands[tms320c64x->op_count]
286	478	.mem.direction = TMS320C64X_MEM_DIR_BW;
287	478	tms320c64x->operands[tms320c64x->op_count].mem.modify =
288	478	TMS320C64X_MEM_MOD_NO;
289	478	break;
290	482	case 1:
291	482	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
292	482	TMS320C64X_MEM_DISP_CONSTANT;
293	482	tms320c64x->operands[tms320c64x->op_count]
294	482	.mem.direction = TMS320C64X_MEM_DIR_FW;
295	482	tms320c64x->operands[tms320c64x->op_count].mem.modify =
296	482	TMS320C64X_MEM_MOD_NO;
297	482	break;
298	111	case 4:
299	111	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
300	111	TMS320C64X_MEM_DISP_REGISTER;
301	111	tms320c64x->operands[tms320c64x->op_count]
302	111	.mem.direction = TMS320C64X_MEM_DIR_BW;
303	111	tms320c64x->operands[tms320c64x->op_count].mem.modify =
304	111	TMS320C64X_MEM_MOD_NO;
305	111	break;
306	218	case 5:
307	218	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
308	218	TMS320C64X_MEM_DISP_REGISTER;
309	218	tms320c64x->operands[tms320c64x->op_count]
310	218	.mem.direction = TMS320C64X_MEM_DIR_FW;
311	218	tms320c64x->operands[tms320c64x->op_count].mem.modify =
312	218	TMS320C64X_MEM_MOD_NO;
313	218	break;
314	462	case 8:
315	462	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
316	462	TMS320C64X_MEM_DISP_CONSTANT;
317	462	tms320c64x->operands[tms320c64x->op_count]
318	462	.mem.direction = TMS320C64X_MEM_DIR_BW;
319	462	tms320c64x->operands[tms320c64x->op_count].mem.modify =
320	462	TMS320C64X_MEM_MOD_PRE;
321	462	break;
322	370	case 9:
323	370	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
324	370	TMS320C64X_MEM_DISP_CONSTANT;
325	370	tms320c64x->operands[tms320c64x->op_count]
326	370	.mem.direction = TMS320C64X_MEM_DIR_FW;
327	370	tms320c64x->operands[tms320c64x->op_count].mem.modify =
328	370	TMS320C64X_MEM_MOD_PRE;
329	370	break;
330	554	case 10:
331	554	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
332	554	TMS320C64X_MEM_DISP_CONSTANT;
333	554	tms320c64x->operands[tms320c64x->op_count]
334	554	.mem.direction = TMS320C64X_MEM_DIR_BW;
335	554	tms320c64x->operands[tms320c64x->op_count].mem.modify =
336	554	TMS320C64X_MEM_MOD_POST;
337	554	break;
338	1.14k	case 11:
339	1.14k	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
340	1.14k	TMS320C64X_MEM_DISP_CONSTANT;
341	1.14k	tms320c64x->operands[tms320c64x->op_count]
342	1.14k	.mem.direction = TMS320C64X_MEM_DIR_FW;
343	1.14k	tms320c64x->operands[tms320c64x->op_count].mem.modify =
344	1.14k	TMS320C64X_MEM_MOD_POST;
345	1.14k	break;
346	172	case 12:
347	172	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
348	172	TMS320C64X_MEM_DISP_REGISTER;
349	172	tms320c64x->operands[tms320c64x->op_count]
350	172	.mem.direction = TMS320C64X_MEM_DIR_BW;
351	172	tms320c64x->operands[tms320c64x->op_count].mem.modify =
352	172	TMS320C64X_MEM_MOD_PRE;
353	172	break;
354	485	case 13:
355	485	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
356	485	TMS320C64X_MEM_DISP_REGISTER;
357	485	tms320c64x->operands[tms320c64x->op_count]
358	485	.mem.direction = TMS320C64X_MEM_DIR_FW;
359	485	tms320c64x->operands[tms320c64x->op_count].mem.modify =
360	485	TMS320C64X_MEM_MOD_PRE;
361	485	break;
362	262	case 14:
363	262	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
364	262	TMS320C64X_MEM_DISP_REGISTER;
365	262	tms320c64x->operands[tms320c64x->op_count]
366	262	.mem.direction = TMS320C64X_MEM_DIR_BW;
367	262	tms320c64x->operands[tms320c64x->op_count].mem.modify =
368	262	TMS320C64X_MEM_MOD_POST;
369	262	break;
370	248	case 15:
371	248	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
372	248	TMS320C64X_MEM_DISP_REGISTER;
373	248	tms320c64x->operands[tms320c64x->op_count]
374	248	.mem.direction = TMS320C64X_MEM_DIR_FW;
375	248	tms320c64x->operands[tms320c64x->op_count].mem.modify =
376	248	TMS320C64X_MEM_MOD_POST;
377	248	break;
378	4.98k	}
379	4.98k	tms320c64x->op_count++;
380	4.98k	}
381	4.98k	}
382
383		static void printMemOperand2(MCInst MI, unsigned OpNo, SStream O)
384	4.89k	{
385	4.89k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
386	4.89k	int64_t Val = MCOperand_getImm(Op);
387	4.89k	uint16_t offset;
388	4.89k	unsigned basereg;
389	4.89k	cs_tms320c64x *tms320c64x;
390
391	4.89k	basereg = Val & 0x7f;
392	4.89k	offset = (Val >> 7) & 0x7fff;
393	4.89k	SStream_concat(O, "*+%s[0x%x]", getRegisterName(basereg), offset);
394
395	4.89k	if (MI->csh->detail_opt) {
396	4.89k	tms320c64x = &MI->flat_insn->detail->tms320c64x;
397
398	4.89k	tms320c64x->operands[tms320c64x->op_count].type =
399	4.89k	TMS320C64X_OP_MEM;
400	4.89k	tms320c64x->operands[tms320c64x->op_count].mem.base = basereg;
401	4.89k	tms320c64x->operands[tms320c64x->op_count].mem.unit = 2;
402	4.89k	tms320c64x->operands[tms320c64x->op_count].mem.disp = offset;
403	4.89k	tms320c64x->operands[tms320c64x->op_count].mem.disptype =
404	4.89k	TMS320C64X_MEM_DISP_CONSTANT;
405	4.89k	tms320c64x->operands[tms320c64x->op_count].mem.direction =
406	4.89k	TMS320C64X_MEM_DIR_FW;
407	4.89k	tms320c64x->operands[tms320c64x->op_count].mem.modify =
408	4.89k	TMS320C64X_MEM_MOD_NO;
409	4.89k	tms320c64x->op_count++;
410	4.89k	}
411	4.89k	}
412
413		static void printRegPair(MCInst MI, unsigned OpNo, SStream O)
414	11.5k	{
415	11.5k	MCOperand *Op = MCInst_getOperand(MI, OpNo);
416	11.5k	unsigned reg = MCOperand_getReg(Op);
417	11.5k	cs_tms320c64x *tms320c64x;
418
419	11.5k	SStream_concat(O, "%s:%s", getRegisterName(reg + 1),
420	11.5k	getRegisterName(reg));
421
422	11.5k	if (MI->csh->detail_opt) {
423	11.5k	tms320c64x = &MI->flat_insn->detail->tms320c64x;
424
425	11.5k	tms320c64x->operands[tms320c64x->op_count].type =
426	11.5k	TMS320C64X_OP_REGPAIR;
427	11.5k	tms320c64x->operands[tms320c64x->op_count].reg = reg;
428	11.5k	tms320c64x->op_count++;
429	11.5k	}
430	11.5k	}
431
432		static bool printAliasInstruction(MCInst MI, SStream O, MCRegisterInfo *MRI)
433	40.3k	{
434	40.3k	unsigned opcode = MCInst_getOpcode(MI);
435	40.3k	MCOperand *op;
436
437	40.3k	switch (opcode) {
438		/* ADD.Dx -i, x, y -> SUB.Dx x, i, y */
439	211	case TMS320C64x_ADD_d2_rir:
440		/* ADD.L -i, x, y -> SUB.L x, i, y */
441	465	case TMS320C64x_ADD_l1_irr:
442	979	case TMS320C64x_ADD_l1_ipp:
443		/* ADD.S -i, x, y -> SUB.S x, i, y */
444	1.51k	case TMS320C64x_ADD_s1_irr:
445	1.51k	if ((MCInst_getNumOperands(MI) == 3) &&
446	1.51k	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
447	1.51k	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
448	1.51k	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
449	1.51k	(MCOperand_getImm(MCInst_getOperand(MI, 2)) < 0)) {
450	625	MCInst_setOpcodePub(MI, TMS320C64X_INS_SUB);
451	625	op = MCInst_getOperand(MI, 2);
452	625	MCOperand_setImm(op, -MCOperand_getImm(op));
453
454	625	SStream_concat0(O, "SUB\t");
455	625	printOperand(MI, 1, O);
456	625	SStream_concat0(O, ", ");
457	625	printOperand(MI, 2, O);
458	625	SStream_concat0(O, ", ");
459	625	printOperand(MI, 0, O);
460
461	625	return true;
462	625	}
463	889	break;
464	40.3k	}
465	39.7k	switch (opcode) {
466		/* ADD.D 0, x, y -> MV.D x, y */
467	25	case TMS320C64x_ADD_d1_rir:
468		/* OR.D x, 0, y -> MV.D x, y */
469	256	case TMS320C64x_OR_d2_rir:
470		/* ADD.L 0, x, y -> MV.L x, y */
471	480	case TMS320C64x_ADD_l1_irr:
472	583	case TMS320C64x_ADD_l1_ipp:
473		/* OR.L 0, x, y -> MV.L x, y */
474	806	case TMS320C64x_OR_l1_irr:
475		/* ADD.S 0, x, y -> MV.S x, y */
476	1.28k	case TMS320C64x_ADD_s1_irr:
477		/* OR.S 0, x, y -> MV.S x, y */
478	1.56k	case TMS320C64x_OR_s1_irr:
479	1.56k	if ((MCInst_getNumOperands(MI) == 3) &&
480	1.56k	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
481	1.56k	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
482	1.56k	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
483	1.56k	(MCOperand_getImm(MCInst_getOperand(MI, 2)) == 0)) {
484	328	MCInst_setOpcodePub(MI, TMS320C64X_INS_MV);
485	328	MI->size--;
486
487	328	SStream_concat0(O, "MV\t");
488	328	printOperand(MI, 1, O);
489	328	SStream_concat0(O, ", ");
490	328	printOperand(MI, 0, O);
491
492	328	return true;
493	328	}
494	1.23k	break;
495	39.7k	}
496	39.4k	switch (opcode) {
497		/* XOR.D -1, x, y -> NOT.D x, y */
498	134	case TMS320C64x_XOR_d2_rir:
499		/* XOR.L -1, x, y -> NOT.L x, y */
500	377	case TMS320C64x_XOR_l1_irr:
501		/* XOR.S -1, x, y -> NOT.S x, y */
502	645	case TMS320C64x_XOR_s1_irr:
503	645	if ((MCInst_getNumOperands(MI) == 3) &&
504	645	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
505	645	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
506	645	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
507	645	(MCOperand_getImm(MCInst_getOperand(MI, 2)) == -1)) {
508	72	MCInst_setOpcodePub(MI, TMS320C64X_INS_NOT);
509	72	MI->size--;
510
511	72	SStream_concat0(O, "NOT\t");
512	72	printOperand(MI, 1, O);
513	72	SStream_concat0(O, ", ");
514	72	printOperand(MI, 0, O);
515
516	72	return true;
517	72	}
518	573	break;
519	39.4k	}
520	39.3k	switch (opcode) {
521		/* MVK.D 0, x -> ZERO.D x */
522	359	case TMS320C64x_MVK_d1_rr:
523		/* MVK.L 0, x -> ZERO.L x */
524	1.13k	case TMS320C64x_MVK_l2_ir:
525	1.13k	if ((MCInst_getNumOperands(MI) == 2) &&
526	1.13k	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
527	1.13k	MCOperand_isImm(MCInst_getOperand(MI, 1)) &&
528	1.13k	(MCOperand_getImm(MCInst_getOperand(MI, 1)) == 0)) {
529	364	MCInst_setOpcodePub(MI, TMS320C64X_INS_ZERO);
530	364	MI->size--;
531
532	364	SStream_concat0(O, "ZERO\t");
533	364	printOperand(MI, 0, O);
534
535	364	return true;
536	364	}
537	771	break;
538	39.3k	}
539	39.0k	switch (opcode) {
540		/* SUB.L x, x, y -> ZERO.L y */
541	143	case TMS320C64x_SUB_l1_rrp_x1:
542		/* SUB.S x, x, y -> ZERO.S y */
543	258	case TMS320C64x_SUB_s1_rrr:
544	258	if ((MCInst_getNumOperands(MI) == 3) &&
545	258	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
546	258	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
547	258	MCOperand_isReg(MCInst_getOperand(MI, 2)) &&
548	258	(MCOperand_getReg(MCInst_getOperand(MI, 1)) ==
549	258	MCOperand_getReg(MCInst_getOperand(MI, 2)))) {
550	76	MCInst_setOpcodePub(MI, TMS320C64X_INS_ZERO);
551	76	MI->size -= 2;
552
553	76	SStream_concat0(O, "ZERO\t");
554	76	printOperand(MI, 0, O);
555
556	76	return true;
557	76	}
558	182	break;
559	39.0k	}
560	38.9k	switch (opcode) {
561		/* SUB.L 0, x, y -> NEG.L x, y */
562	125	case TMS320C64x_SUB_l1_irr:
563	557	case TMS320C64x_SUB_l1_ipp:
564		/* SUB.S 0, x, y -> NEG.S x, y */
565	636	case TMS320C64x_SUB_s1_irr:
566	636	if ((MCInst_getNumOperands(MI) == 3) &&
567	636	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
568	636	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
569	636	MCOperand_isImm(MCInst_getOperand(MI, 2)) &&
570	636	(MCOperand_getImm(MCInst_getOperand(MI, 2)) == 0)) {
571	110	MCInst_setOpcodePub(MI, TMS320C64X_INS_NEG);
572	110	MI->size--;
573
574	110	SStream_concat0(O, "NEG\t");
575	110	printOperand(MI, 1, O);
576	110	SStream_concat0(O, ", ");
577	110	printOperand(MI, 0, O);
578
579	110	return true;
580	110	}
581	526	break;
582	38.9k	}
583	38.8k	switch (opcode) {
584		/* PACKLH2.L x, x, y -> SWAP2.L x, y */
585	121	case TMS320C64x_PACKLH2_l1_rrr_x2:
586		/* PACKLH2.S x, x, y -> SWAP2.S x, y */
587	250	case TMS320C64x_PACKLH2_s1_rrr:
588	250	if ((MCInst_getNumOperands(MI) == 3) &&
589	250	MCOperand_isReg(MCInst_getOperand(MI, 0)) &&
590	250	MCOperand_isReg(MCInst_getOperand(MI, 1)) &&
591	250	MCOperand_isReg(MCInst_getOperand(MI, 2)) &&
592	250	(MCOperand_getReg(MCInst_getOperand(MI, 1)) ==
593	250	MCOperand_getReg(MCInst_getOperand(MI, 2)))) {
594	38	MCInst_setOpcodePub(MI, TMS320C64X_INS_SWAP2);
595	38	MI->size--;
596
597	38	SStream_concat0(O, "SWAP2\t");
598	38	printOperand(MI, 1, O);
599	38	SStream_concat0(O, ", ");
600	38	printOperand(MI, 0, O);
601
602	38	return true;
603	38	}
604	212	break;
605	38.8k	}
606	38.7k	switch (opcode) {
607		/* NOP 16 -> IDLE */
608		/* NOP 1 -> NOP */
609	643	case TMS320C64x_NOP_n:
610	643	if ((MCInst_getNumOperands(MI) == 1) &&
611	643	MCOperand_isImm(MCInst_getOperand(MI, 0)) &&
612	643	(MCOperand_getReg(MCInst_getOperand(MI, 0)) == 16)) {
613	126	MCInst_setOpcodePub(MI, TMS320C64X_INS_IDLE);
614	126	MI->size--;
615
616	126	SStream_concat0(O, "IDLE");
617
618	126	return true;
619	126	}
620	517	if ((MCInst_getNumOperands(MI) == 1) &&
621	517	MCOperand_isImm(MCInst_getOperand(MI, 0)) &&
622	517	(MCOperand_getReg(MCInst_getOperand(MI, 0)) == 1)) {
623	489	MI->size--;
624
625	489	SStream_concat0(O, "NOP");
626
627	489	return true;
628	489	}
629	28	break;
630	38.7k	}
631
632	38.1k	return false;
633	38.7k	}
634
635		void TMS320C64x_printInst(MCInst MI, SStream O, void *Info)
636	40.3k	{
637	40.3k	if (!printAliasInstruction(MI, O, Info))
638	38.1k	printInstruction(MI, O, Info);
639	40.3k	}
640
641		#endif