diff --git a/compiler/utils/x86/assembler_x86.cc b/compiler/utils/x86/assembler_x86.cc
index 90170ce..5773459 100644
--- a/compiler/utils/x86/assembler_x86.cc
+++ b/compiler/utils/x86/assembler_x86.cc
@@ -146,6 +146,12 @@
   EmitLabel(lbl, dst.length_ + 5);
 }
 
+void X86Assembler::bswapl(Register dst) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x0F);
+  EmitUint8(0xC8 + dst);
+}
+
 void X86Assembler::movzxb(Register dst, ByteRegister src) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0x0F);
@@ -725,6 +731,32 @@
 }
 
 
+void X86Assembler::andps(XmmRegister dst, XmmRegister src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x0F);
+  EmitUint8(0x54);
+  EmitXmmRegisterOperand(dst, src);
+}
+
+
+void X86Assembler::andpd(XmmRegister dst, XmmRegister src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x66);
+  EmitUint8(0x0F);
+  EmitUint8(0x54);
+  EmitXmmRegisterOperand(dst, src);
+}
+
+
+void X86Assembler::orpd(XmmRegister dst, XmmRegister src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x66);
+  EmitUint8(0x0F);
+  EmitUint8(0x56);
+  EmitXmmRegisterOperand(dst, src);
+}
+
+
 void X86Assembler::xorps(XmmRegister dst, const Address& src) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0x0F);
@@ -733,6 +765,14 @@
 }
 
 
+void X86Assembler::orps(XmmRegister dst, XmmRegister src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x0F);
+  EmitUint8(0x56);
+  EmitXmmRegisterOperand(dst, src);
+}
+
+
 void X86Assembler::xorps(XmmRegister dst, XmmRegister src) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0x0F);
@@ -741,6 +781,14 @@
 }
 
 
+void X86Assembler::andps(XmmRegister dst, const Address& src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x0F);
+  EmitUint8(0x54);
+  EmitOperand(dst, src);
+}
+
+
 void X86Assembler::andpd(XmmRegister dst, const Address& src) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0x66);
@@ -1090,6 +1138,13 @@
 }
 
 
+void X86Assembler::subl(const Address& address, Register reg) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x29);
+  EmitOperand(reg, address);
+}
+
+
 void X86Assembler::cdq() {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0x99);
@@ -1175,6 +1230,13 @@
 }
 
 
+void X86Assembler::sbbl(const Address& address, Register src) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x19);
+  EmitOperand(src, address);
+}
+
+
 void X86Assembler::incl(Register reg) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0x40 + reg);