[stubs] Implement fast TF Builtin for Object.create

src/compiler/code-assembler.h

Index: src/compiler/code-assembler.h
diff --git a/src/compiler/code-assembler.h b/src/compiler/code-assembler.h
index 6a654550b526a92c888a3f738b772715476e2990..6352dd7bbf1950b5ec7ad730add9ba7ac3e81f7a 100644
--- a/src/compiler/code-assembler.h
+++ b/src/compiler/code-assembler.h
@@ -58,6 +58,7 @@ class RawMachineLabel;
   V(Uint32LessThanOrEqual)                       \
   V(Uint32GreaterThanOrEqual)                    \
   V(UintPtrLessThan)                             \
+  V(UintPtrLessThanOrEqual)                      \
   V(UintPtrGreaterThan)                          \
   V(UintPtrGreaterThanOrEqual)                   \
   V(WordEqual)                                   \
@@ -286,6 +287,8 @@ class V8_EXPORT_PRIVATE CodeAssembler {
   Node* WordShr(Node* value, int shift);
   Node* Word32Shr(Node* value, int shift);
 
+  Node* IsWordAligned(Node* value);

[Jarin, 2016/10/19 07:24:16]

I think this should not be here, code-assembler is meant to be a lean assembler
without macro-operations.

Can't you move it to code-stub-assembler?

+
 // Unary
 #define DECLARE_CODE_ASSEMBLER_UNARY_OP(name) Node* name(Node* a);
   CODE_ASSEMBLER_UNARY_OP_LIST(DECLARE_CODE_ASSEMBLER_UNARY_OP)