Add the emitp function for X64 assembler

R=danno@chromium.org

Review URL: https://codereview.chromium.org/19752004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15861 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/x64/assembler-x64-inl.h

@@ -51,6 +51,16 @@ void Assembler::emitl(uint32_t x) {
 }
 
 
+void Assembler::emitp(void* x, RelocInfo::Mode rmode) {
+  uintptr_t value = reinterpret_cast<uintptr_t>(x);
+  Memory::uintptr_at(pc_) = value;
+  if (!RelocInfo::IsNone(rmode)) {
+    RecordRelocInfo(rmode, value);
+  }
+  pc_ += sizeof(uintptr_t);
+}
+
+
 void Assembler::emitq(uint64_t x, RelocInfo::Mode rmode) {
   Memory::uint64_at(pc_) = x;
   if (!RelocInfo::IsNone(rmode)) {

src/x64/assembler-x64.cc

@@ -1377,7 +1377,7 @@ void Assembler::load_rax(void* value, RelocInfo::Mode mode) {
   EnsureSpace ensure_space(this);
   emit(0x48);  // REX.W
   emit(0xA1);
-  emitq(reinterpret_cast<uintptr_t>(value), mode);
+  emitp(value, mode);
 }
 
 
@@ -1529,7 +1529,7 @@ void Assembler::movq(Register dst, void* value, RelocInfo::Mode rmode) {
   EnsureSpace ensure_space(this);
   emit_rex_64(dst);
   emit(0xB8 | dst.low_bits());
-  emitq(reinterpret_cast<uintptr_t>(value), rmode);
+  emitp(value, rmode);
 }
 
 
@@ -1606,7 +1606,7 @@ void Assembler::movq(Register dst, Handle<Object> value, RelocInfo::Mode mode) {
     ASSERT(!HEAP->InNewSpace(*value));
     emit_rex_64(dst);
     emit(0xB8 | dst.low_bits());
-    emitq(reinterpret_cast<uintptr_t>(value.location()), mode);
+    emitp(value.location(), mode);
   }
 }
 
@@ -1998,7 +1998,7 @@ void Assembler::store_rax(void* dst, RelocInfo::Mode mode) {
   EnsureSpace ensure_space(this);
   emit(0x48);  // REX.W
   emit(0xA3);
-  emitq(reinterpret_cast<uintptr_t>(dst), mode);
+  emitp(dst, mode);
 }
 
 

src/x64/assembler-x64.h

@@ -1444,6 +1444,7 @@ class Assembler : public AssemblerBase {
 
   void emit(byte x) { *pc_++ = x; }
   inline void emitl(uint32_t x);
+  inline void emitp(void* x, RelocInfo::Mode rmode);
   inline void emitq(uint64_t x, RelocInfo::Mode rmode);
   inline void emitw(uint16_t x);
   inline void emit_code_target(Handle<Code> target,