Thumb2 Backend: 32-bit instruction encoding helper methods

src/arm/assembler-arm-inl.h

Index: src/arm/assembler-arm-inl.h
diff --git a/src/arm/assembler-arm-inl.h b/src/arm/assembler-arm-inl.h
index 72e4ffaf8b6f0aa796d9de248171be437b0229d8..6511be25142adb12aa1afec1529ef83da8469112 100644
--- a/src/arm/assembler-arm-inl.h
+++ b/src/arm/assembler-arm-inl.h
@@ -395,6 +395,13 @@ void Assembler::emit16(Instr16 x, bool check_buffer) {
 }
 
 
+void Assembler::emit32(Instr x) {
+  // emit top, then bottom 2 bytes
+  emit16((x>>16) & 0xffff);
+  emit16(x & 0xffff, false);
+}
+
+
 Address Assembler::target_pointer_address_at(Address pc) {
   Address target_pc = pc;
   Instr instr = Memory::int32_at(target_pc);