assembler-ia32.cc.svn-base

Google浏览器V8内核代码

void Assembler::pop(const Operand& dst) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x8F);
  emit_operand(eax, dst);
}


void Assembler::mov_b(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x8A);
  emit_operand(dst, src);
}


void Assembler::mov_b(const Operand& dst, int8_t imm8) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0xC6);
  emit_operand(eax, dst);
  EMIT(imm8);
}


void Assembler::mov_b(const Operand& dst, Register src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x88);
  emit_operand(src, dst);
}


void Assembler::mov_w(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x66);
  EMIT(0x8B);
  emit_operand(dst, src);
}


void Assembler::mov_w(const Operand& dst, Register src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x66);
  EMIT(0x89);
  emit_operand(src, dst);
}


void Assembler::mov(Register dst, int32_t imm32) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0xB8 | dst.code());
  emit(imm32);
}


void Assembler::mov(Register dst, Handle<Object> handle) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0xB8 | dst.code());
  emit(handle);
}


void Assembler::mov(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x8B);
  emit_operand(dst, src);
}


void Assembler::mov(const Operand& dst, const Immediate& x) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0xC7);
  emit_operand(eax, dst);
  emit(x);
}


void Assembler::mov(const Operand& dst, Handle<Object> handle) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0xC7);
  emit_operand(eax, dst);
  emit(handle);
}


void Assembler::mov(const Operand& dst, Register src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x89);
  emit_operand(src, dst);
}


void Assembler::movsx_b(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x0F);
  EMIT(0xBE);
  emit_operand(dst, src);
}


void Assembler::movsx_w(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x0F);
  EMIT(0xBF);
  emit_operand(dst, src);
}


void Assembler::movzx_b(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x0F);
  EMIT(0xB6);
  emit_operand(dst, src);
}


void Assembler::movzx_w(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x0F);
  EMIT(0xB7);
  emit_operand(dst, src);
}


void Assembler::cmov(Condition cc, Register dst, int32_t imm32) {
  ASSERT(CpuFeatures::IsEnabled(CpuFeatures::CMOV));
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  UNIMPLEMENTED();
  USE(cc);
  USE(dst);
  USE(imm32);
}


void Assembler::cmov(Condition cc, Register dst, Handle<Object> handle) {
  ASSERT(CpuFeatures::IsEnabled(CpuFeatures::CMOV));
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  UNIMPLEMENTED();
  USE(cc);
  USE(dst);
  USE(handle);
}


void Assembler::cmov(Condition cc, Register dst, const Operand& src) {
  ASSERT(CpuFeatures::IsEnabled(CpuFeatures::CMOV));
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  UNIMPLEMENTED();
  USE(cc);
  USE(dst);
  USE(src);
}


void Assembler::adc(Register dst, int32_t imm32) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  emit_arith(2, Operand(dst), Immediate(imm32));
}


void Assembler::adc(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x13);
  emit_operand(dst, src);
}


void Assembler::add(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x03);
  emit_operand(dst, src);
}


void Assembler::add(const Operand& dst, const Immediate& x) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  emit_arith(0, dst, x);
}


void Assembler::and_(Register dst, int32_t imm32) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  emit_arith(4, Operand(dst), Immediate(imm32));
}


void Assembler::and_(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x23);
  emit_operand(dst, src);
}


void Assembler::and_(const Operand& dst, const Immediate& x) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  emit_arith(4, dst, x);
}


void Assembler::and_(const Operand& dst, Register src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x21);
  emit_operand(dst, src);
}


void Assembler::cmp(Register reg, int32_t imm32) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  emit_arith(7, Operand(reg), Immediate(imm32));
}


void Assembler::cmp(Register reg, Handle<Object> handle) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  emit_arith(7, Operand(reg), Immediate(handle));
}


void Assembler::cmp(Register reg, const Operand& op) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x3B);
  emit_operand(reg, op);
}


void Assembler::cmp(const Operand& op, const Immediate& imm) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  emit_arith(7, op, imm);
}


void Assembler::dec_b(Register dst) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0xFE);
  EMIT(0xC8 | dst.code());
}


void Assembler::dec(Register dst) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x48 | dst.code());
}


void Assembler::dec(const Operand& dst) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0xFF);
  emit_operand(ecx, dst);
}


void Assembler::cdq() {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x99);
}


void Assembler::idiv(Register src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0xF7);
  EMIT(0xF8 | src.code());
}


void Assembler::imul(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x0F);
  EMIT(0xAF);
  emit_operand(dst, src);
}


void Assembler::imul(Register dst, Register src, int32_t imm32) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  if (is_int8(imm32)) {
    EMIT(0x6B);
    EMIT(0xC0 | dst.code() << 3 | src.code());
    EMIT(imm32);
  } else {
    EMIT(0x69);
    EMIT(0xC0 | dst.code() << 3 | src.code());
    emit(imm32);
  }
}


void Assembler::inc(Register dst) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x40 | dst.code());
}


void Assembler::inc(const Operand& dst) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0xFF);
  emit_operand(eax, dst);
}


void Assembler::lea(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x8D);
  emit_operand(dst, src);
}


void Assembler::mul(Register src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0xF7);
  EMIT(0xE0 | src.code());
}


void Assembler::neg(Register dst) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0xF7);
  EMIT(0xD8 | dst.code());
}


void Assembler::not_(Register dst) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0xF7);
  EMIT(0xD0 | dst.code());
}


void Assembler::or_(Register dst, int32_t imm32) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  emit_arith(1, Operand(dst), Immediate(imm32));
}


void Assembler::or_(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x0B);
  emit_operand(dst, src);
}


void Assembler::or_(const Operand& dst, const Immediate& x) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  emit_arith(1, dst, x);
}


void Assembler::or_(const Operand& dst, Register src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x09);
  emit_operand(dst, src);
}


void Assembler::rcl(Register dst, uint8_t imm8) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  ASSERT(is_uint5(imm8));  // illegal shift count
  if (imm8 == 1) {
    EMIT(0xD1);
    EMIT(0xD0 | dst.code());
  } else {
    EMIT(0xC1);
    EMIT(0xD0 | dst.code());
    EMIT(imm8);
  }
}


void Assembler::sar(Register dst, uint8_t imm8) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  ASSERT(is_uint5(imm8));  // illegal shift count
  if (imm8 == 1) {
    EMIT(0xD1);
    EMIT(0xF8 | dst.code());
  } else {
    EMIT(0xC1);
    EMIT(0xF8 | dst.code());
    EMIT(imm8);
  }
}


void Assembler::sar(Register dst) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0xD3);
  EMIT(0xF8 | dst.code());
}


void Assembler::sbb(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x1B);
  emit_operand(dst, src);
}


void Assembler::shld(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x0F);
  EMIT(0xA5);
  emit_operand(dst, src);
}


void Assembler::shl(Register dst, uint8_t imm8) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  ASSERT(is_uint5(imm8));  // illegal shift count
  if (imm8 == 1) {
    EMIT(0xD1);
    EMIT(0xE0 | dst.code());
  } else {
    EMIT(0xC1);
    EMIT(0xE0 | dst.code());
    EMIT(imm8);
  }
}


void Assembler::shl(Register dst) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0xD3);
  EMIT(0xE0 | dst.code());
}


void Assembler::shrd(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x0F);
  EMIT(0xAD);
  emit_operand(dst, src);
}


void Assembler::shr(Register dst, uint8_t imm8) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  ASSERT(is_uint5(imm8));  // illegal shift count
  EMIT(0xC1);
  EMIT(0xE8 | dst.code());
  EMIT(imm8);
}


void Assembler::shr(Register dst) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0xD3);
  EMIT(0xE8 | dst.code());
}


void Assembler::sub(const Operand& dst, const Immediate& x) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  emit_arith(5, dst, x);
}


void Assembler::sub(Register dst, const Operand& src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x2B);
  emit_operand(dst, src);
}


void Assembler::sub(const Operand& dst, Register src) {
  EnsureSpace ensure_space(this);
  last_pc_ = pc_;
  EMIT(0x29);
  emit_operand(dst, src);