C++ (Cpp) orc_x86_emit_mov_memoffset_reg Examples

Example #1

File: orcx86.c Project: danshapero/orc

void
orc_x86_assemble_copy (OrcCompiler *compiler)
{
  OrcInstruction *insn;
  int shift = 0;

  insn = compiler->program->insns + 0;

  if (strcmp (insn->opcode->name, "copyw") == 0) {
    shift = 1;
  } else if (strcmp (insn->opcode->name, "copyl") == 0) {
    shift = 2;
  }

  compiler->used_regs[X86_EDI] = TRUE;
  compiler->used_regs[X86_ESI] = TRUE;

  orc_x86_emit_prologue (compiler);

  orc_x86_emit_mov_memoffset_reg (compiler, 4,
      (int)ORC_STRUCT_OFFSET(OrcExecutor,arrays[insn->dest_args[0]]),
      compiler->exec_reg, X86_EDI);
  orc_x86_emit_mov_memoffset_reg (compiler, 4,
      (int)ORC_STRUCT_OFFSET(OrcExecutor,arrays[insn->src_args[0]]),
      compiler->exec_reg, X86_ESI);
  orc_x86_emit_mov_memoffset_reg (compiler, 4,
      (int)ORC_STRUCT_OFFSET(OrcExecutor,n), compiler->exec_reg,
      compiler->gp_tmpreg);

  orc_x86_emit_sar_imm_reg (compiler, 4, 2 - shift, compiler->gp_tmpreg);
  orc_x86_emit_rep_movs (compiler, 4);
  if (shift == 0) {
    orc_x86_emit_mov_memoffset_reg (compiler, 4,
        (int)ORC_STRUCT_OFFSET(OrcExecutor,n), compiler->exec_reg,
        compiler->gp_tmpreg);
    orc_x86_emit_and_imm_reg (compiler, 4, 3, compiler->gp_tmpreg);
    orc_x86_emit_rep_movs (compiler, 1);
  }
  if (shift == 1) {
    orc_x86_emit_mov_memoffset_reg (compiler, 4,
        (int)ORC_STRUCT_OFFSET(OrcExecutor,n), compiler->exec_reg,
        compiler->gp_tmpreg);
    orc_x86_emit_and_imm_reg (compiler, 4, 1, compiler->gp_tmpreg);
    orc_x86_emit_rep_movs (compiler, 2);
  }

  orc_x86_emit_epilogue (compiler);

  orc_x86_do_fixups (compiler);
}

Example #2

File: orcsse.c Project: Distrotech/orc

void
orc_sse_set_mxcsr (OrcCompiler *compiler)
{
  orc_x86_emit_cpuinsn_load_memoffset (compiler, ORC_X86_stmxcsr, 4, 0,
      (int)ORC_STRUCT_OFFSET(OrcExecutor,params[ORC_VAR_A4]),
      compiler->exec_reg, 0);

  orc_x86_emit_mov_memoffset_reg (compiler, 4,
      (int)ORC_STRUCT_OFFSET(OrcExecutor,params[ORC_VAR_A4]),
      compiler->exec_reg, compiler->gp_tmpreg);

  orc_x86_emit_mov_reg_memoffset (compiler, 4, compiler->gp_tmpreg,
      (int)ORC_STRUCT_OFFSET(OrcExecutor,params[ORC_VAR_C1]),
      compiler->exec_reg);

  orc_x86_emit_cpuinsn_imm_reg (compiler, ORC_X86_or_imm32_rm, 4,
      0x8040, compiler->gp_tmpreg);

  orc_x86_emit_mov_reg_memoffset (compiler, 4, compiler->gp_tmpreg,
      (int)ORC_STRUCT_OFFSET(OrcExecutor,params[ORC_VAR_A4]),
      compiler->exec_reg);

  orc_x86_emit_cpuinsn_load_memoffset (compiler, ORC_X86_ldmxcsr, 4, 0,
      (int)ORC_STRUCT_OFFSET(OrcExecutor,params[ORC_VAR_A4]),
      compiler->exec_reg, 0);
}

Example #3

File: orcx86.c Project: danshapero/orc

void
orc_x86_emit_prologue (OrcCompiler *compiler)
{
  orc_compiler_append_code(compiler,".global %s\n", compiler->program->name);
  orc_compiler_append_code(compiler,".p2align 4\n");
  orc_compiler_append_code(compiler,"%s:\n", compiler->program->name);
  if (compiler->is_64bit) {
    int i;
    for(i=0;i<16;i++){
      if (compiler->used_regs[ORC_GP_REG_BASE+i] &&
          compiler->save_regs[ORC_GP_REG_BASE+i]) {
        orc_x86_emit_push (compiler, 8, ORC_GP_REG_BASE+i);
      }
    }
  } else {
    orc_x86_emit_push (compiler, 4, X86_EBP);
    if (compiler->use_frame_pointer) {
      orc_x86_emit_mov_reg_reg (compiler, 4, X86_ESP, X86_EBP);
    }
    orc_x86_emit_mov_memoffset_reg (compiler, 4, 8, X86_ESP, compiler->exec_reg);
    if (compiler->used_regs[X86_EDI]) {
      orc_x86_emit_push (compiler, 4, X86_EDI);
    }
    if (compiler->used_regs[X86_ESI]) {
      orc_x86_emit_push (compiler, 4, X86_ESI);
    }
    if (compiler->used_regs[X86_EBX]) {
      orc_x86_emit_push (compiler, 4, X86_EBX);
    }
  }

#if 0
  orc_x86_emit_rdtsc(compiler);
  orc_x86_emit_mov_reg_memoffset (compiler, 4, X86_EAX,
      ORC_STRUCT_OFFSET(OrcExecutor,params[ORC_VAR_A3]), compiler->exec_reg);
#endif
}