src/cpu/x86/vm/assembler_x86.cpp

*** 1227,1237 ****
    InstructionMark im(this);
    assert(!dst.base_needs_rex() && !dst.index_needs_rex(), "no extended registers");
    emit_byte(0x66);
    emit_byte(0x81);
    emit_operand(rdi, dst, 2);
!   emit_word(imm16);
  }
  
  // The 32-bit cmpxchg compares the value at adr with the contents of rax,
  // and stores reg into adr if so; otherwise, the value at adr is loaded into rax,.
  // The ZF is set if the compared values were equal, and cleared otherwise.
--- 1227,1237 ----
    InstructionMark im(this);
    assert(!dst.base_needs_rex() && !dst.index_needs_rex(), "no extended registers");
    emit_byte(0x66);
    emit_byte(0x81);
    emit_operand(rdi, dst, 2);
!   emit_int16(imm16);
  }
  
  // The 32-bit cmpxchg compares the value at adr with the contents of rax,
  // and stores reg into adr if so; otherwise, the value at adr is loaded into rax,.
  // The ZF is set if the compared values were equal, and cleared otherwise.
*** 1877,1887 ****
  
    emit_byte(0x66); // switch to 16-bit mode
    prefix(dst);
    emit_byte(0xC7);
    emit_operand(rax, dst, 2);
!   emit_word(imm16);
  }
  
  void Assembler::movw(Register dst, Address src) {
    InstructionMark im(this);
    emit_byte(0x66);
--- 1877,1887 ----
  
    emit_byte(0x66); // switch to 16-bit mode
    prefix(dst);
    emit_byte(0xC7);
    emit_operand(rax, dst, 2);
!   emit_int16(imm16);
  }
  
  void Assembler::movw(Register dst, Address src) {
    InstructionMark im(this);
    emit_byte(0x66);
*** 2569,2579 ****
  void Assembler::ret(int imm16) {
    if (imm16 == 0) {
      emit_byte(0xC3);
    } else {
      emit_byte(0xC2);
!     emit_word(imm16);
    }
  }
  
  void Assembler::sahf() {
  #ifdef _LP64
--- 2569,2579 ----
  void Assembler::ret(int imm16) {
    if (imm16 == 0) {
      emit_byte(0xC3);
    } else {
      emit_byte(0xC2);
!     emit_int16(imm16);
    }
  }
  
  void Assembler::sahf() {
  #ifdef _LP64