A64: Todos - peek/poke and branch generator

src/a64/macro-assembler-a64.h

Index: src/a64/macro-assembler-a64.h
diff --git a/src/a64/macro-assembler-a64.h b/src/a64/macro-assembler-a64.h
index c139137107b648fb8ec5935b6ba6510118cdcffd..375390f119caca80d442151899b5db45baef4196 100644
--- a/src/a64/macro-assembler-a64.h
+++ b/src/a64/macro-assembler-a64.h
@@ -531,13 +531,13 @@ class MacroAssembler : public Assembler {
   //
   // If the current stack pointer (according to StackPointer()) is csp, then
   // csp must be aligned to 16 bytes.
-  void Poke(const Register& src, const Operand& offset);
+  void Poke(const CPURegister& src, const Operand& offset);
 
   // Peek at a value on the stack, and put it in 'dst'. The offset is in bytes.
   //
   // If the current stack pointer (according to StackPointer()) is csp, then
   // csp must be aligned to 16 bytes.
-  void Peek(const Register& dst, const Operand& offset);
+  void Peek(const CPURegister& dst, const Operand& offset);
 
   // Claim or drop stack space without actually accessing memory.
   //