Merge "Optimize suspend checks in optimizing compiler."

2 files changed, 10 insertions, 0 deletions

diff --git a/compiler/utils/x86/assembler_x86.cc b/compiler/utils/x86/assembler_x86.cc
index 2c9bc28923..f888d46dd1 100644
--- a/compiler/utils/x86/assembler_x86.cc
+++ b/compiler/utils/x86/assembler_x86.cc
@@ -746,6 +746,7 @@ void X86Assembler::xchgl(Register dst, Register src) {
   EmitRegisterOperand(dst, src);
 }
 
+
 void X86Assembler::xchgl(Register reg, const Address& address) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0x87);
@@ -753,6 +754,13 @@ void X86Assembler::xchgl(Register reg, const Address& address) {
 }
 
 
+void X86Assembler::cmpw(const Address& address, const Immediate& imm) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0x66);
+  EmitComplex(7, address, imm);
+}
+
+
 void X86Assembler::cmpl(Register reg, const Immediate& imm) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitComplex(7, Operand(reg), imm);
diff --git a/compiler/utils/x86/assembler_x86.h b/compiler/utils/x86/assembler_x86.h
index 5c4e34fc8b..ec983d9a50 100644
--- a/compiler/utils/x86/assembler_x86.h
+++ b/compiler/utils/x86/assembler_x86.h
@@ -337,6 +337,8 @@ class X86Assembler FINAL : public Assembler {
   void xchgl(Register dst, Register src);
   void xchgl(Register reg, const Address& address);
 
+  void cmpw(const Address& address, const Immediate& imm);
+
   void cmpl(Register reg, const Immediate& imm);
   void cmpl(Register reg0, Register reg1);
   void cmpl(Register reg, const Address& address);