[types] Use unified integral representation bits.

src/types.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_TYPES_H_
 #define V8_TYPES_H_
 
 #include "src/conversions.h"
 #include "src/handles.h"
 #include "src/objects.h"
@@ skipping 149 matching lines @@
 
 #define MASK_BITSET_TYPE_LIST(V) \
   V(Representation, 0xfff00000u) \
   V(Semantic,       0x000ffffeu)
 
 #define REPRESENTATION(k) ((k) & BitsetType::kRepresentation)
 #define SEMANTIC(k)       ((k) & BitsetType::kSemantic)
 
 #define REPRESENTATION_BITSET_TYPE_LIST(V)    \
   V(None,               0)                    \
-  V(UntaggedBit,        1u << 20 | kSemantic) \
-  V(UntaggedSigned8,    1u << 21 | kSemantic) \
-  V(UntaggedSigned16,   1u << 22 | kSemantic) \
-  V(UntaggedSigned32,   1u << 23 | kSemantic) \
-  V(UntaggedUnsigned8,  1u << 24 | kSemantic) \
-  V(UntaggedUnsigned16, 1u << 25 | kSemantic) \
-  V(UntaggedUnsigned32, 1u << 26 | kSemantic) \
+  V(UntaggedBit,        1u << 23 | kSemantic) \
+  V(UntaggedIntegral8,  1u << 24 | kSemantic) \
+  V(UntaggedIntegral16, 1u << 25 | kSemantic) \
+  V(UntaggedIntegral32, 1u << 26 | kSemantic) \
   V(UntaggedFloat32,    1u << 27 | kSemantic) \
   V(UntaggedFloat64,    1u << 28 | kSemantic) \
   V(UntaggedPointer,    1u << 29 | kSemantic) \
   V(TaggedSigned,       1u << 30 | kSemantic) \
   V(TaggedPointer,      1u << 31 | kSemantic) \
   \
-  V(UntaggedSigned,     kUntaggedSigned8 | kUntaggedSigned16 |              \
-                        kUntaggedSigned32)                                  \
-  V(UntaggedUnsigned,   kUntaggedUnsigned8 | kUntaggedUnsigned16 |          \
-                        kUntaggedUnsigned32)                                \
-  V(UntaggedIntegral8,  kUntaggedSigned8 | kUntaggedUnsigned8)              \
-  V(UntaggedIntegral16, kUntaggedSigned16 | kUntaggedUnsigned16)            \
-  V(UntaggedIntegral32, kUntaggedSigned32 | kUntaggedUnsigned32)            \
-  V(UntaggedIntegral,   kUntaggedBit | kUntaggedSigned | kUntaggedUnsigned) \
-  V(UntaggedFloat,      kUntaggedFloat32 | kUntaggedFloat64)                \
-  V(UntaggedNumber,     kUntaggedIntegral | kUntaggedFloat)                 \
-  V(Untagged,           kUntaggedNumber | kUntaggedPointer)                 \
+  V(UntaggedIntegral,   kUntaggedBit | kUntaggedIntegral8 |        \
+                        kUntaggedIntegral16 | kUntaggedIntegral32) \
+  V(UntaggedFloat,      kUntaggedFloat32 | kUntaggedFloat64)       \
+  V(UntaggedNumber,     kUntaggedIntegral | kUntaggedFloat)        \
+  V(Untagged,           kUntaggedNumber | kUntaggedPointer)        \
   V(Tagged,             kTaggedSigned | kTaggedPointer)
 
 #define INTERNAL_BITSET_TYPE_LIST(V)                                      \
   V(OtherUnsigned31, 1u << 1 | REPRESENTATION(kTagged | kUntaggedNumber)) \
   V(OtherUnsigned32, 1u << 2 | REPRESENTATION(kTagged | kUntaggedNumber)) \
   V(OtherSigned32,   1u << 3 | REPRESENTATION(kTagged | kUntaggedNumber)) \
   V(OtherNumber,     1u << 4 | REPRESENTATION(kTagged | kUntaggedNumber))
 
 #define SEMANTIC_BITSET_TYPE_LIST(V) \
   V(Negative31,          1u << 5  | REPRESENTATION(kTagged | kUntaggedNumber)) \
@@ skipping 979 matching lines @@
     return that.lower->Is(this->lower) && this->upper->Is(that.upper);
   }
 };
 
 typedef BoundsImpl<ZoneTypeConfig> Bounds;
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TYPES_H_