Introduce leap, movzxbp, movzxwp, repmovsp and xchgp for x64 port

test/cctest/test-macro-assembler-x64.cc

Index: test/cctest/test-macro-assembler-x64.cc
diff --git a/test/cctest/test-macro-assembler-x64.cc b/test/cctest/test-macro-assembler-x64.cc
index e26576037f10aeefd115b08a7f0234061c64d19b..ee23a0bf4a051e1bef149d764c908a8ff6d06903 100644
--- a/test/cctest/test-macro-assembler-x64.cc
+++ b/test/cctest/test-macro-assembler-x64.cc
@@ -2343,9 +2343,9 @@ TEST(OperandOffset) {
   // r15 = rsp[3]
   // rbx = rsp[5]
   // r13 = rsp[7]
-  __ lea(r14, Operand(rsp, 3 * kPointerSize));
-  __ lea(r13, Operand(rbp, -3 * kPointerSize));
-  __ lea(rbx, Operand(rbp, -5 * kPointerSize));
+  __ leaq(r14, Operand(rsp, 3 * kPointerSize));
+  __ leaq(r13, Operand(rbp, -3 * kPointerSize));
+  __ leaq(rbx, Operand(rbp, -5 * kPointerSize));
   __ movl(rcx, Immediate(2));
   __ Move(r8, reinterpret_cast<Address>(&data[128]), RelocInfo::NONE64);
   __ movl(rax, Immediate(1));
@@ -2643,7 +2643,7 @@ TEST(OperandOffset) {
 
   __ movl(rax, Immediate(0));
   __ bind(&exit);
-  __ lea(rsp, Operand(rbp, kPointerSize));
+  __ leaq(rsp, Operand(rbp, kPointerSize));
   __ popq(rbp);
   __ popq(rbx);
   __ popq(r14);