diff options
Diffstat (limited to 'chromium/v8/src/objects/elements-kind.h')
| -rw-r--r-- | chromium/v8/src/objects/elements-kind.h | 58 |
1 files changed, 55 insertions, 3 deletions
diff --git a/chromium/v8/src/objects/elements-kind.h b/chromium/v8/src/objects/elements-kind.h index ec3ca3402d1..b19e21136f3 100644 --- a/chromium/v8/src/objects/elements-kind.h +++ b/chromium/v8/src/objects/elements-kind.h @@ -28,6 +28,36 @@ namespace internal { V(BigUint64, biguint64, BIGUINT64, uint64_t) \ V(BigInt64, bigint64, BIGINT64, int64_t) +#define RAB_GSAB_TYPED_ARRAYS(V) \ + V(RabGsabUint8, rab_gsab_uint8, RAB_GSAB_UINT8, uint8_t) \ + V(RabGsabInt8, rab_gsab_int8, RAB_GSAB_INT8, int8_t) \ + V(RabGsabUint16, rab_gsab_uint16, RAB_GSAB_UINT16, uint16_t) \ + V(RabGsabInt16, rab_gsab_int16, RAB_GSAB_INT16, int16_t) \ + V(RabGsabUint32, rab_gsab_uint32, RAB_GSAB_UINT32, uint32_t) \ + V(RabGsabInt32, rab_gsab_int32, RAB_GSAB_INT32, int32_t) \ + V(RabGsabFloat32, rab_gsab_float32, RAB_GSAB_FLOAT32, float) \ + V(RabGsabFloat64, rab_gsab_float64, RAB_GSAB_FLOAT64, double) \ + V(RabGsabUint8Clamped, rab_gsab_uint8_clamped, RAB_GSAB_UINT8_CLAMPED, \ + uint8_t) \ + V(RabGsabBigUint64, rab_gsab_biguint64, RAB_GSAB_BIGUINT64, uint64_t) \ + V(RabGsabBigInt64, rab_gsab_bigint64, RAB_GSAB_BIGINT64, int64_t) + +// The TypedArrays backed by RAB / GSAB are called Uint8Array, Uint16Array etc, +// and not RabGsabUint8Array, RabGsabUint16Array etc. This macro is used for +// generating code which refers to the TypedArray type. +#define RAB_GSAB_TYPED_ARRAYS_WITH_TYPED_ARRAY_TYPE(V) \ + V(Uint8, rab_gsab_uint8, RAB_GSAB_UINT8, uint8_t) \ + V(Int8, rab_gsab_int8, RAB_GSAB_INT8, int8_t) \ + V(Uint16, rab_gsab_uint16, RAB_GSAB_UINT16, uint16_t) \ + V(Int16, rab_gsab_int16, RAB_GSAB_INT16, int16_t) \ + V(Uint32, rab_gsab_uint32, RAB_GSAB_UINT32, uint32_t) \ + V(Int32, rab_gsab_int32, RAB_GSAB_INT32, int32_t) \ + V(Float32, rab_gsab_float32, RAB_GSAB_FLOAT32, float) \ + V(Float64, rab_gsab_float64, RAB_GSAB_FLOAT64, double) \ + V(Uint8Clamped, rab_gsab_uint8_clamped, RAB_GSAB_UINT8_CLAMPED, uint8_t) \ + V(BigUint64, rab_gsab_biguint64, RAB_GSAB_BIGUINT64, uint64_t) \ + V(BigInt64, rab_gsab_bigint64, RAB_GSAB_BIGINT64, int64_t) + enum ElementsKind : uint8_t { // The "fast" kind for elements that only contain SMI values. Must be first // to make it possible to efficiently check maps for this kind. @@ -71,6 +101,7 @@ enum ElementsKind : uint8_t { // Fixed typed arrays. #define TYPED_ARRAY_ELEMENTS_KIND(Type, type, TYPE, ctype) TYPE##_ELEMENTS, TYPED_ARRAYS(TYPED_ARRAY_ELEMENTS_KIND) + RAB_GSAB_TYPED_ARRAYS(TYPED_ARRAY_ELEMENTS_KIND) #undef TYPED_ARRAY_ELEMENTS_KIND // Sentinel ElementsKind for objects with no elements. @@ -78,11 +109,13 @@ enum ElementsKind : uint8_t { // Derived constants from ElementsKind. FIRST_ELEMENTS_KIND = PACKED_SMI_ELEMENTS, - LAST_ELEMENTS_KIND = BIGINT64_ELEMENTS, + LAST_ELEMENTS_KIND = RAB_GSAB_BIGINT64_ELEMENTS, FIRST_FAST_ELEMENTS_KIND = PACKED_SMI_ELEMENTS, LAST_FAST_ELEMENTS_KIND = HOLEY_DOUBLE_ELEMENTS, FIRST_FIXED_TYPED_ARRAY_ELEMENTS_KIND = UINT8_ELEMENTS, LAST_FIXED_TYPED_ARRAY_ELEMENTS_KIND = BIGINT64_ELEMENTS, + FIRST_RAB_GSAB_FIXED_TYPED_ARRAY_ELEMENTS_KIND = RAB_GSAB_UINT8_ELEMENTS, + LAST_RAB_GSAB_FIXED_TYPED_ARRAY_ELEMENTS_KIND = RAB_GSAB_BIGINT64_ELEMENTS, TERMINAL_FAST_ELEMENTS_KIND = HOLEY_ELEMENTS, FIRST_ANY_NONEXTENSIBLE_ELEMENTS_KIND = PACKED_NONEXTENSIBLE_ELEMENTS, LAST_ANY_NONEXTENSIBLE_ELEMENTS_KIND = HOLEY_FROZEN_ELEMENTS, @@ -103,7 +136,7 @@ constexpr int kFastElementsKindCount = constexpr int kFastElementsKindPackedToHoley = HOLEY_SMI_ELEMENTS - PACKED_SMI_ELEMENTS; -constexpr int kElementsKindBits = 5; +constexpr int kElementsKindBits = 6; STATIC_ASSERT((1 << kElementsKindBits) > LAST_ELEMENTS_KIND); STATIC_ASSERT((1 << (kElementsKindBits - 1)) <= LAST_ELEMENTS_KIND); @@ -150,8 +183,20 @@ inline bool IsTypedArrayElementsKind(ElementsKind kind) { LAST_FIXED_TYPED_ARRAY_ELEMENTS_KIND); } +inline bool IsRabGsabTypedArrayElementsKind(ElementsKind kind) { + return base::IsInRange(kind, FIRST_RAB_GSAB_FIXED_TYPED_ARRAY_ELEMENTS_KIND, + LAST_RAB_GSAB_FIXED_TYPED_ARRAY_ELEMENTS_KIND); +} + +inline bool IsTypedArrayOrRabGsabTypedArrayElementsKind(ElementsKind kind) { + return base::IsInRange(kind, FIRST_FIXED_TYPED_ARRAY_ELEMENTS_KIND, + LAST_RAB_GSAB_FIXED_TYPED_ARRAY_ELEMENTS_KIND); +} + inline bool IsTerminalElementsKind(ElementsKind kind) { - return kind == TERMINAL_FAST_ELEMENTS_KIND || IsTypedArrayElementsKind(kind); + return kind == TERMINAL_FAST_ELEMENTS_KIND || + IsTypedArrayElementsKind(kind) || + IsRabGsabTypedArrayElementsKind(kind); } inline bool IsFastElementsKind(ElementsKind kind) { @@ -281,6 +326,13 @@ inline ElementsKind GetHoleyElementsKind(ElementsKind packed_kind) { return packed_kind; } +inline ElementsKind GetCorrespondingRabGsabElementsKind( + ElementsKind typed_array_kind) { + DCHECK(IsTypedArrayElementsKind(typed_array_kind)); + return ElementsKind(typed_array_kind - FIRST_FIXED_TYPED_ARRAY_ELEMENTS_KIND + + FIRST_RAB_GSAB_FIXED_TYPED_ARRAY_ELEMENTS_KIND); +} + inline bool UnionElementsKindUptoPackedness(ElementsKind* a_out, ElementsKind b) { // Assert that the union of two ElementKinds can be computed via std::max. |