Add optimized ICs for new CanvasArray types. This is a follow-on CL to...

src/x64/assembler-x64.cc

Index: src/x64/assembler-x64.cc
===================================================================
--- src/x64/assembler-x64.cc	(revision 3112)
+++ src/x64/assembler-x64.cc	(working copy)
@@ -574,11 +574,11 @@
     emit(src.value_);
   } else if (dst.is(rax)) {
     emit(0x05 | (subcode << 3));
-    emitl(src.value_);
+    emitw(src.value_);
   } else {
     emit(0x81);
     emit_modrm(subcode, dst);
-    emitl(src.value_);
+    emitw(src.value_);
   }
 }
 
@@ -597,7 +597,7 @@
   } else {
     emit(0x81);
     emit_operand(subcode, dst);
-    emitl(src.value_);
+    emitw(src.value_);
   }
 }
 
@@ -2229,6 +2229,14 @@
 }
 
 
+void Assembler::fucomi(int i) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0xDB);
+  emit(0xE8 + i);
+}
+
+
 void Assembler::fucomip() {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;