| // Copyright 2015 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. |
| |
| #include "src/runtime/runtime-utils.h" |
| |
| #include "src/arguments.h" |
| #include "src/base/macros.h" |
| #include "src/conversions.h" |
| #include "src/factory.h" |
| #include "src/objects-inl.h" |
| |
| // Implement Single Instruction Multiple Data (SIMD) operations as defined in |
| // the SIMD.js draft spec: |
| // http://littledan.github.io/simd.html |
| |
| namespace v8 { |
| namespace internal { |
| |
| namespace { |
| |
| // Functions to convert Numbers to SIMD component types. |
| |
| template <typename T, typename F> |
| static bool CanCast(F from) { |
| // A float can't represent 2^31 - 1 or 2^32 - 1 exactly, so promote the limits |
| // to double. Otherwise, the limit is truncated and numbers like 2^31 or 2^32 |
| // get through, causing any static_cast to be undefined. |
| return from >= static_cast<double>(std::numeric_limits<T>::min()) && |
| from <= static_cast<double>(std::numeric_limits<T>::max()); |
| } |
| |
| |
| // Explicitly specialize for conversions to float, which always succeed. |
| template <> |
| bool CanCast<float>(int32_t from) { |
| return true; |
| } |
| |
| |
| template <> |
| bool CanCast<float>(uint32_t from) { |
| return true; |
| } |
| |
| |
| template <typename T> |
| static T ConvertNumber(double number); |
| |
| |
| template <> |
| float ConvertNumber<float>(double number) { |
| return DoubleToFloat32(number); |
| } |
| |
| |
| template <> |
| int32_t ConvertNumber<int32_t>(double number) { |
| return DoubleToInt32(number); |
| } |
| |
| |
| template <> |
| uint32_t ConvertNumber<uint32_t>(double number) { |
| return DoubleToUint32(number); |
| } |
| |
| |
| template <> |
| int16_t ConvertNumber<int16_t>(double number) { |
| return static_cast<int16_t>(DoubleToInt32(number)); |
| } |
| |
| |
| template <> |
| uint16_t ConvertNumber<uint16_t>(double number) { |
| return static_cast<uint16_t>(DoubleToUint32(number)); |
| } |
| |
| |
| template <> |
| int8_t ConvertNumber<int8_t>(double number) { |
| return static_cast<int8_t>(DoubleToInt32(number)); |
| } |
| |
| |
| template <> |
| uint8_t ConvertNumber<uint8_t>(double number) { |
| return static_cast<uint8_t>(DoubleToUint32(number)); |
| } |
| |
| |
| // TODO(bbudge): Make this consistent with SIMD instruction results. |
| inline float RecipApprox(float a) { return 1.0f / a; } |
| |
| |
| // TODO(bbudge): Make this consistent with SIMD instruction results. |
| inline float RecipSqrtApprox(float a) { return 1.0f / std::sqrt(a); } |
| |
| |
| // Saturating addition for int16_t and int8_t. |
| template <typename T> |
| inline T AddSaturate(T a, T b) { |
| const T max = std::numeric_limits<T>::max(); |
| const T min = std::numeric_limits<T>::min(); |
| int32_t result = a + b; |
| if (result > max) return max; |
| if (result < min) return min; |
| return result; |
| } |
| |
| |
| // Saturating subtraction for int16_t and int8_t. |
| template <typename T> |
| inline T SubSaturate(T a, T b) { |
| const T max = std::numeric_limits<T>::max(); |
| const T min = std::numeric_limits<T>::min(); |
| int32_t result = a - b; |
| if (result > max) return max; |
| if (result < min) return min; |
| return result; |
| } |
| |
| |
| inline float Min(float a, float b) { |
| if (a < b) return a; |
| if (a > b) return b; |
| if (a == b) return std::signbit(a) ? a : b; |
| return std::numeric_limits<float>::quiet_NaN(); |
| } |
| |
| |
| inline float Max(float a, float b) { |
| if (a > b) return a; |
| if (a < b) return b; |
| if (a == b) return std::signbit(b) ? a : b; |
| return std::numeric_limits<float>::quiet_NaN(); |
| } |
| |
| |
| inline float MinNumber(float a, float b) { |
| if (std::isnan(a)) return b; |
| if (std::isnan(b)) return a; |
| return Min(a, b); |
| } |
| |
| |
| inline float MaxNumber(float a, float b) { |
| if (std::isnan(a)) return b; |
| if (std::isnan(b)) return a; |
| return Max(a, b); |
| } |
| |
| } // namespace |
| |
| //------------------------------------------------------------------- |
| |
| // SIMD helper functions. |
| |
| RUNTIME_FUNCTION(Runtime_IsSimdValue) { |
| HandleScope scope(isolate); |
| DCHECK(args.length() == 1); |
| return isolate->heap()->ToBoolean(args[0]->IsSimd128Value()); |
| } |
| |
| |
| //------------------------------------------------------------------- |
| |
| // Utility macros. |
| |
| #define CONVERT_SIMD_LANE_ARG_CHECKED(name, index, lanes) \ |
| CONVERT_INT32_ARG_CHECKED(name, index); \ |
| RUNTIME_ASSERT(name >= 0 && name < lanes); |
| |
| #define CONVERT_SIMD_ARG_HANDLE_THROW(Type, name, index) \ |
| Handle<Type> name; \ |
| if (args[index]->Is##Type()) { \ |
| name = args.at<Type>(index); \ |
| } else { \ |
| THROW_NEW_ERROR_RETURN_FAILURE( \ |
| isolate, NewTypeError(MessageTemplate::kInvalidSimdOperation)); \ |
| } |
| |
| #define SIMD_UNARY_OP(type, lane_type, lane_count, op, result) \ |
| static const int kLaneCount = lane_count; \ |
| DCHECK(args.length() == 1); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 0); \ |
| lane_type lanes[kLaneCount]; \ |
| for (int i = 0; i < kLaneCount; i++) { \ |
| lanes[i] = op(a->get_lane(i)); \ |
| } \ |
| Handle<type> result = isolate->factory()->New##type(lanes); |
| |
| #define SIMD_BINARY_OP(type, lane_type, lane_count, op, result) \ |
| static const int kLaneCount = lane_count; \ |
| DCHECK(args.length() == 2); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 0); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, b, 1); \ |
| lane_type lanes[kLaneCount]; \ |
| for (int i = 0; i < kLaneCount; i++) { \ |
| lanes[i] = op(a->get_lane(i), b->get_lane(i)); \ |
| } \ |
| Handle<type> result = isolate->factory()->New##type(lanes); |
| |
| #define SIMD_RELATIONAL_OP(type, bool_type, lane_count, a, b, op, result) \ |
| static const int kLaneCount = lane_count; \ |
| DCHECK(args.length() == 2); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 0); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, b, 1); \ |
| bool lanes[kLaneCount]; \ |
| for (int i = 0; i < kLaneCount; i++) { \ |
| lanes[i] = a->get_lane(i) op b->get_lane(i); \ |
| } \ |
| Handle<bool_type> result = isolate->factory()->New##bool_type(lanes); |
| |
| //------------------------------------------------------------------- |
| |
| // Common functions. |
| |
| #define GET_NUMERIC_ARG(lane_type, name, index) \ |
| CONVERT_NUMBER_ARG_HANDLE_CHECKED(a, index); \ |
| name = ConvertNumber<lane_type>(a->Number()); |
| |
| #define GET_BOOLEAN_ARG(lane_type, name, index) \ |
| name = args[index]->BooleanValue(); |
| |
| #define SIMD_ALL_TYPES(FUNCTION) \ |
| FUNCTION(Float32x4, float, 4, NewNumber, GET_NUMERIC_ARG) \ |
| FUNCTION(Int32x4, int32_t, 4, NewNumber, GET_NUMERIC_ARG) \ |
| FUNCTION(Uint32x4, uint32_t, 4, NewNumber, GET_NUMERIC_ARG) \ |
| FUNCTION(Bool32x4, bool, 4, ToBoolean, GET_BOOLEAN_ARG) \ |
| FUNCTION(Int16x8, int16_t, 8, NewNumber, GET_NUMERIC_ARG) \ |
| FUNCTION(Uint16x8, uint16_t, 8, NewNumber, GET_NUMERIC_ARG) \ |
| FUNCTION(Bool16x8, bool, 8, ToBoolean, GET_BOOLEAN_ARG) \ |
| FUNCTION(Int8x16, int8_t, 16, NewNumber, GET_NUMERIC_ARG) \ |
| FUNCTION(Uint8x16, uint8_t, 16, NewNumber, GET_NUMERIC_ARG) \ |
| FUNCTION(Bool8x16, bool, 16, ToBoolean, GET_BOOLEAN_ARG) |
| |
| #define SIMD_CREATE_FUNCTION(type, lane_type, lane_count, extract, replace) \ |
| RUNTIME_FUNCTION(Runtime_Create##type) { \ |
| static const int kLaneCount = lane_count; \ |
| HandleScope scope(isolate); \ |
| DCHECK(args.length() == kLaneCount); \ |
| lane_type lanes[kLaneCount]; \ |
| for (int i = 0; i < kLaneCount; i++) { \ |
| replace(lane_type, lanes[i], i) \ |
| } \ |
| return *isolate->factory()->New##type(lanes); \ |
| } |
| |
| #define SIMD_EXTRACT_FUNCTION(type, lane_type, lane_count, extract, replace) \ |
| RUNTIME_FUNCTION(Runtime_##type##ExtractLane) { \ |
| HandleScope scope(isolate); \ |
| DCHECK(args.length() == 2); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 0); \ |
| CONVERT_SIMD_LANE_ARG_CHECKED(lane, 1, lane_count); \ |
| return *isolate->factory()->extract(a->get_lane(lane)); \ |
| } |
| |
| #define SIMD_REPLACE_FUNCTION(type, lane_type, lane_count, extract, replace) \ |
| RUNTIME_FUNCTION(Runtime_##type##ReplaceLane) { \ |
| static const int kLaneCount = lane_count; \ |
| HandleScope scope(isolate); \ |
| DCHECK(args.length() == 3); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, simd, 0); \ |
| CONVERT_SIMD_LANE_ARG_CHECKED(lane, 1, kLaneCount); \ |
| lane_type lanes[kLaneCount]; \ |
| for (int i = 0; i < kLaneCount; i++) { \ |
| lanes[i] = simd->get_lane(i); \ |
| } \ |
| replace(lane_type, lanes[lane], 2); \ |
| Handle<type> result = isolate->factory()->New##type(lanes); \ |
| return *result; \ |
| } |
| |
| #define SIMD_CHECK_FUNCTION(type, lane_type, lane_count, extract, replace) \ |
| RUNTIME_FUNCTION(Runtime_##type##Check) { \ |
| HandleScope scope(isolate); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 0); \ |
| return *a; \ |
| } |
| |
| #define SIMD_SWIZZLE_FUNCTION(type, lane_type, lane_count, extract, replace) \ |
| RUNTIME_FUNCTION(Runtime_##type##Swizzle) { \ |
| static const int kLaneCount = lane_count; \ |
| HandleScope scope(isolate); \ |
| DCHECK(args.length() == 1 + kLaneCount); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 0); \ |
| lane_type lanes[kLaneCount]; \ |
| for (int i = 0; i < kLaneCount; i++) { \ |
| CONVERT_SIMD_LANE_ARG_CHECKED(index, i + 1, kLaneCount); \ |
| lanes[i] = a->get_lane(index); \ |
| } \ |
| Handle<type> result = isolate->factory()->New##type(lanes); \ |
| return *result; \ |
| } |
| |
| #define SIMD_SHUFFLE_FUNCTION(type, lane_type, lane_count, extract, replace) \ |
| RUNTIME_FUNCTION(Runtime_##type##Shuffle) { \ |
| static const int kLaneCount = lane_count; \ |
| HandleScope scope(isolate); \ |
| DCHECK(args.length() == 2 + kLaneCount); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 0); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, b, 1); \ |
| lane_type lanes[kLaneCount]; \ |
| for (int i = 0; i < kLaneCount; i++) { \ |
| CONVERT_SIMD_LANE_ARG_CHECKED(index, i + 2, kLaneCount * 2); \ |
| lanes[i] = index < kLaneCount ? a->get_lane(index) \ |
| : b->get_lane(index - kLaneCount); \ |
| } \ |
| Handle<type> result = isolate->factory()->New##type(lanes); \ |
| return *result; \ |
| } |
| |
| SIMD_ALL_TYPES(SIMD_CREATE_FUNCTION) |
| SIMD_ALL_TYPES(SIMD_EXTRACT_FUNCTION) |
| SIMD_ALL_TYPES(SIMD_REPLACE_FUNCTION) |
| SIMD_ALL_TYPES(SIMD_CHECK_FUNCTION) |
| SIMD_ALL_TYPES(SIMD_SWIZZLE_FUNCTION) |
| SIMD_ALL_TYPES(SIMD_SHUFFLE_FUNCTION) |
| |
| //------------------------------------------------------------------- |
| |
| // Float-only functions. |
| |
| #define SIMD_ABS_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Abs) { \ |
| HandleScope scope(isolate); \ |
| SIMD_UNARY_OP(type, lane_type, lane_count, std::abs, result); \ |
| return *result; \ |
| } |
| |
| #define SIMD_SQRT_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Sqrt) { \ |
| HandleScope scope(isolate); \ |
| SIMD_UNARY_OP(type, lane_type, lane_count, std::sqrt, result); \ |
| return *result; \ |
| } |
| |
| #define SIMD_RECIP_APPROX_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##RecipApprox) { \ |
| HandleScope scope(isolate); \ |
| SIMD_UNARY_OP(type, lane_type, lane_count, RecipApprox, result); \ |
| return *result; \ |
| } |
| |
| #define SIMD_RECIP_SQRT_APPROX_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##RecipSqrtApprox) { \ |
| HandleScope scope(isolate); \ |
| SIMD_UNARY_OP(type, lane_type, lane_count, RecipSqrtApprox, result); \ |
| return *result; \ |
| } |
| |
| #define BINARY_DIV(a, b) (a) / (b) |
| #define SIMD_DIV_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Div) { \ |
| HandleScope scope(isolate); \ |
| SIMD_BINARY_OP(type, lane_type, lane_count, BINARY_DIV, result); \ |
| return *result; \ |
| } |
| |
| #define SIMD_MINNUM_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##MinNum) { \ |
| HandleScope scope(isolate); \ |
| SIMD_BINARY_OP(type, lane_type, lane_count, MinNumber, result); \ |
| return *result; \ |
| } |
| |
| #define SIMD_MAXNUM_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##MaxNum) { \ |
| HandleScope scope(isolate); \ |
| SIMD_BINARY_OP(type, lane_type, lane_count, MaxNumber, result); \ |
| return *result; \ |
| } |
| |
| SIMD_ABS_FUNCTION(Float32x4, float, 4) |
| SIMD_SQRT_FUNCTION(Float32x4, float, 4) |
| SIMD_RECIP_APPROX_FUNCTION(Float32x4, float, 4) |
| SIMD_RECIP_SQRT_APPROX_FUNCTION(Float32x4, float, 4) |
| SIMD_DIV_FUNCTION(Float32x4, float, 4) |
| SIMD_MINNUM_FUNCTION(Float32x4, float, 4) |
| SIMD_MAXNUM_FUNCTION(Float32x4, float, 4) |
| |
| //------------------------------------------------------------------- |
| |
| // Int-only functions. |
| |
| #define SIMD_INT_TYPES(FUNCTION) \ |
| FUNCTION(Int32x4, int32_t, 32, 4) \ |
| FUNCTION(Int16x8, int16_t, 16, 8) \ |
| FUNCTION(Int8x16, int8_t, 8, 16) |
| |
| #define SIMD_UINT_TYPES(FUNCTION) \ |
| FUNCTION(Uint32x4, uint32_t, 32, 4) \ |
| FUNCTION(Uint16x8, uint16_t, 16, 8) \ |
| FUNCTION(Uint8x16, uint8_t, 8, 16) |
| |
| #define CONVERT_SHIFT_ARG_CHECKED(name, index) \ |
| RUNTIME_ASSERT(args[index]->IsNumber()); \ |
| int32_t signed_shift = 0; \ |
| RUNTIME_ASSERT(args[index]->ToInt32(&signed_shift)); \ |
| uint32_t name = bit_cast<uint32_t>(signed_shift); |
| |
| #define SIMD_LSL_FUNCTION(type, lane_type, lane_bits, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##ShiftLeftByScalar) { \ |
| static const int kLaneCount = lane_count; \ |
| HandleScope scope(isolate); \ |
| DCHECK(args.length() == 2); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 0); \ |
| CONVERT_SHIFT_ARG_CHECKED(shift, 1); \ |
| lane_type lanes[kLaneCount] = {0}; \ |
| if (shift < lane_bits) { \ |
| for (int i = 0; i < kLaneCount; i++) { \ |
| lanes[i] = a->get_lane(i) << shift; \ |
| } \ |
| } \ |
| Handle<type> result = isolate->factory()->New##type(lanes); \ |
| return *result; \ |
| } |
| |
| #define SIMD_LSR_FUNCTION(type, lane_type, lane_bits, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##ShiftRightByScalar) { \ |
| static const int kLaneCount = lane_count; \ |
| HandleScope scope(isolate); \ |
| DCHECK(args.length() == 2); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 0); \ |
| CONVERT_SHIFT_ARG_CHECKED(shift, 1); \ |
| lane_type lanes[kLaneCount] = {0}; \ |
| if (shift < lane_bits) { \ |
| for (int i = 0; i < kLaneCount; i++) { \ |
| lanes[i] = static_cast<lane_type>( \ |
| bit_cast<lane_type>(a->get_lane(i)) >> shift); \ |
| } \ |
| } \ |
| Handle<type> result = isolate->factory()->New##type(lanes); \ |
| return *result; \ |
| } |
| |
| #define SIMD_ASR_FUNCTION(type, lane_type, lane_bits, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##ShiftRightByScalar) { \ |
| static const int kLaneCount = lane_count; \ |
| HandleScope scope(isolate); \ |
| DCHECK(args.length() == 2); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 0); \ |
| CONVERT_SHIFT_ARG_CHECKED(shift, 1); \ |
| if (shift >= lane_bits) shift = lane_bits - 1; \ |
| lane_type lanes[kLaneCount]; \ |
| for (int i = 0; i < kLaneCount; i++) { \ |
| int64_t shifted = static_cast<int64_t>(a->get_lane(i)) >> shift; \ |
| lanes[i] = static_cast<lane_type>(shifted); \ |
| } \ |
| Handle<type> result = isolate->factory()->New##type(lanes); \ |
| return *result; \ |
| } |
| |
| SIMD_INT_TYPES(SIMD_LSL_FUNCTION) |
| SIMD_UINT_TYPES(SIMD_LSL_FUNCTION) |
| SIMD_INT_TYPES(SIMD_ASR_FUNCTION) |
| SIMD_UINT_TYPES(SIMD_LSR_FUNCTION) |
| |
| //------------------------------------------------------------------- |
| |
| // Bool-only functions. |
| |
| #define SIMD_BOOL_TYPES(FUNCTION) \ |
| FUNCTION(Bool32x4, 4) \ |
| FUNCTION(Bool16x8, 8) \ |
| FUNCTION(Bool8x16, 16) |
| |
| #define SIMD_ANY_FUNCTION(type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##AnyTrue) { \ |
| HandleScope scope(isolate); \ |
| DCHECK(args.length() == 1); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 0); \ |
| bool result = false; \ |
| for (int i = 0; i < lane_count; i++) { \ |
| if (a->get_lane(i)) { \ |
| result = true; \ |
| break; \ |
| } \ |
| } \ |
| return isolate->heap()->ToBoolean(result); \ |
| } |
| |
| #define SIMD_ALL_FUNCTION(type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##AllTrue) { \ |
| HandleScope scope(isolate); \ |
| DCHECK(args.length() == 1); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 0); \ |
| bool result = true; \ |
| for (int i = 0; i < lane_count; i++) { \ |
| if (!a->get_lane(i)) { \ |
| result = false; \ |
| break; \ |
| } \ |
| } \ |
| return isolate->heap()->ToBoolean(result); \ |
| } |
| |
| SIMD_BOOL_TYPES(SIMD_ANY_FUNCTION) |
| SIMD_BOOL_TYPES(SIMD_ALL_FUNCTION) |
| |
| //------------------------------------------------------------------- |
| |
| // Small Int-only functions. |
| |
| #define SIMD_SMALL_INT_TYPES(FUNCTION) \ |
| FUNCTION(Int16x8, int16_t, 8) \ |
| FUNCTION(Uint16x8, uint16_t, 8) \ |
| FUNCTION(Int8x16, int8_t, 16) \ |
| FUNCTION(Uint8x16, uint8_t, 16) |
| |
| #define SIMD_ADD_SATURATE_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##AddSaturate) { \ |
| HandleScope scope(isolate); \ |
| SIMD_BINARY_OP(type, lane_type, lane_count, AddSaturate, result); \ |
| return *result; \ |
| } |
| |
| #define BINARY_SUB(a, b) (a) - (b) |
| #define SIMD_SUB_SATURATE_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##SubSaturate) { \ |
| HandleScope scope(isolate); \ |
| SIMD_BINARY_OP(type, lane_type, lane_count, SubSaturate, result); \ |
| return *result; \ |
| } |
| |
| SIMD_SMALL_INT_TYPES(SIMD_ADD_SATURATE_FUNCTION) |
| SIMD_SMALL_INT_TYPES(SIMD_SUB_SATURATE_FUNCTION) |
| |
| //------------------------------------------------------------------- |
| |
| // Numeric functions. |
| |
| #define SIMD_NUMERIC_TYPES(FUNCTION) \ |
| FUNCTION(Float32x4, float, 4) \ |
| FUNCTION(Int32x4, int32_t, 4) \ |
| FUNCTION(Uint32x4, uint32_t, 4) \ |
| FUNCTION(Int16x8, int16_t, 8) \ |
| FUNCTION(Uint16x8, uint16_t, 8) \ |
| FUNCTION(Int8x16, int8_t, 16) \ |
| FUNCTION(Uint8x16, uint8_t, 16) |
| |
| #define BINARY_ADD(a, b) (a) + (b) |
| #define SIMD_ADD_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Add) { \ |
| HandleScope scope(isolate); \ |
| SIMD_BINARY_OP(type, lane_type, lane_count, BINARY_ADD, result); \ |
| return *result; \ |
| } |
| |
| #define BINARY_SUB(a, b) (a) - (b) |
| #define SIMD_SUB_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Sub) { \ |
| HandleScope scope(isolate); \ |
| SIMD_BINARY_OP(type, lane_type, lane_count, BINARY_SUB, result); \ |
| return *result; \ |
| } |
| |
| #define BINARY_MUL(a, b) (a) * (b) |
| #define SIMD_MUL_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Mul) { \ |
| HandleScope scope(isolate); \ |
| SIMD_BINARY_OP(type, lane_type, lane_count, BINARY_MUL, result); \ |
| return *result; \ |
| } |
| |
| #define SIMD_MIN_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Min) { \ |
| HandleScope scope(isolate); \ |
| SIMD_BINARY_OP(type, lane_type, lane_count, Min, result); \ |
| return *result; \ |
| } |
| |
| #define SIMD_MAX_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Max) { \ |
| HandleScope scope(isolate); \ |
| SIMD_BINARY_OP(type, lane_type, lane_count, Max, result); \ |
| return *result; \ |
| } |
| |
| SIMD_NUMERIC_TYPES(SIMD_ADD_FUNCTION) |
| SIMD_NUMERIC_TYPES(SIMD_SUB_FUNCTION) |
| SIMD_NUMERIC_TYPES(SIMD_MUL_FUNCTION) |
| SIMD_NUMERIC_TYPES(SIMD_MIN_FUNCTION) |
| SIMD_NUMERIC_TYPES(SIMD_MAX_FUNCTION) |
| |
| //------------------------------------------------------------------- |
| |
| // Relational functions. |
| |
| #define SIMD_RELATIONAL_TYPES(FUNCTION) \ |
| FUNCTION(Float32x4, Bool32x4, 4) \ |
| FUNCTION(Int32x4, Bool32x4, 4) \ |
| FUNCTION(Uint32x4, Bool32x4, 4) \ |
| FUNCTION(Int16x8, Bool16x8, 8) \ |
| FUNCTION(Uint16x8, Bool16x8, 8) \ |
| FUNCTION(Int8x16, Bool8x16, 16) \ |
| FUNCTION(Uint8x16, Bool8x16, 16) |
| |
| #define SIMD_EQUALITY_TYPES(FUNCTION) \ |
| SIMD_RELATIONAL_TYPES(FUNCTION) \ |
| FUNCTION(Bool32x4, Bool32x4, 4) \ |
| FUNCTION(Bool16x8, Bool16x8, 8) \ |
| FUNCTION(Bool8x16, Bool8x16, 16) |
| |
| #define SIMD_EQUAL_FUNCTION(type, bool_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Equal) { \ |
| HandleScope scope(isolate); \ |
| SIMD_RELATIONAL_OP(type, bool_type, lane_count, a, b, ==, result); \ |
| return *result; \ |
| } |
| |
| #define SIMD_NOT_EQUAL_FUNCTION(type, bool_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##NotEqual) { \ |
| HandleScope scope(isolate); \ |
| SIMD_RELATIONAL_OP(type, bool_type, lane_count, a, b, !=, result); \ |
| return *result; \ |
| } |
| |
| SIMD_EQUALITY_TYPES(SIMD_EQUAL_FUNCTION) |
| SIMD_EQUALITY_TYPES(SIMD_NOT_EQUAL_FUNCTION) |
| |
| #define SIMD_LESS_THAN_FUNCTION(type, bool_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##LessThan) { \ |
| HandleScope scope(isolate); \ |
| SIMD_RELATIONAL_OP(type, bool_type, lane_count, a, b, <, result); \ |
| return *result; \ |
| } |
| |
| #define SIMD_LESS_THAN_OR_EQUAL_FUNCTION(type, bool_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##LessThanOrEqual) { \ |
| HandleScope scope(isolate); \ |
| SIMD_RELATIONAL_OP(type, bool_type, lane_count, a, b, <=, result); \ |
| return *result; \ |
| } |
| |
| #define SIMD_GREATER_THAN_FUNCTION(type, bool_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##GreaterThan) { \ |
| HandleScope scope(isolate); \ |
| SIMD_RELATIONAL_OP(type, bool_type, lane_count, a, b, >, result); \ |
| return *result; \ |
| } |
| |
| #define SIMD_GREATER_THAN_OR_EQUAL_FUNCTION(type, bool_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##GreaterThanOrEqual) { \ |
| HandleScope scope(isolate); \ |
| SIMD_RELATIONAL_OP(type, bool_type, lane_count, a, b, >=, result); \ |
| return *result; \ |
| } |
| |
| SIMD_RELATIONAL_TYPES(SIMD_LESS_THAN_FUNCTION) |
| SIMD_RELATIONAL_TYPES(SIMD_LESS_THAN_OR_EQUAL_FUNCTION) |
| SIMD_RELATIONAL_TYPES(SIMD_GREATER_THAN_FUNCTION) |
| SIMD_RELATIONAL_TYPES(SIMD_GREATER_THAN_OR_EQUAL_FUNCTION) |
| |
| //------------------------------------------------------------------- |
| |
| // Logical functions. |
| |
| #define SIMD_LOGICAL_TYPES(FUNCTION) \ |
| FUNCTION(Int32x4, int32_t, 4, _INT) \ |
| FUNCTION(Uint32x4, uint32_t, 4, _INT) \ |
| FUNCTION(Int16x8, int16_t, 8, _INT) \ |
| FUNCTION(Uint16x8, uint16_t, 8, _INT) \ |
| FUNCTION(Int8x16, int8_t, 16, _INT) \ |
| FUNCTION(Uint8x16, uint8_t, 16, _INT) \ |
| FUNCTION(Bool32x4, bool, 4, _BOOL) \ |
| FUNCTION(Bool16x8, bool, 8, _BOOL) \ |
| FUNCTION(Bool8x16, bool, 16, _BOOL) |
| |
| #define BINARY_AND_INT(a, b) (a) & (b) |
| #define BINARY_AND_BOOL(a, b) (a) && (b) |
| #define SIMD_AND_FUNCTION(type, lane_type, lane_count, op) \ |
| RUNTIME_FUNCTION(Runtime_##type##And) { \ |
| HandleScope scope(isolate); \ |
| SIMD_BINARY_OP(type, lane_type, lane_count, BINARY_AND##op, result); \ |
| return *result; \ |
| } |
| |
| #define BINARY_OR_INT(a, b) (a) | (b) |
| #define BINARY_OR_BOOL(a, b) (a) || (b) |
| #define SIMD_OR_FUNCTION(type, lane_type, lane_count, op) \ |
| RUNTIME_FUNCTION(Runtime_##type##Or) { \ |
| HandleScope scope(isolate); \ |
| SIMD_BINARY_OP(type, lane_type, lane_count, BINARY_OR##op, result); \ |
| return *result; \ |
| } |
| |
| #define BINARY_XOR_INT(a, b) (a) ^ (b) |
| #define BINARY_XOR_BOOL(a, b) (a) != (b) |
| #define SIMD_XOR_FUNCTION(type, lane_type, lane_count, op) \ |
| RUNTIME_FUNCTION(Runtime_##type##Xor) { \ |
| HandleScope scope(isolate); \ |
| SIMD_BINARY_OP(type, lane_type, lane_count, BINARY_XOR##op, result); \ |
| return *result; \ |
| } |
| |
| #define UNARY_NOT_INT ~ |
| #define UNARY_NOT_BOOL ! |
| #define SIMD_NOT_FUNCTION(type, lane_type, lane_count, op) \ |
| RUNTIME_FUNCTION(Runtime_##type##Not) { \ |
| HandleScope scope(isolate); \ |
| SIMD_UNARY_OP(type, lane_type, lane_count, UNARY_NOT##op, result); \ |
| return *result; \ |
| } |
| |
| SIMD_LOGICAL_TYPES(SIMD_AND_FUNCTION) |
| SIMD_LOGICAL_TYPES(SIMD_OR_FUNCTION) |
| SIMD_LOGICAL_TYPES(SIMD_XOR_FUNCTION) |
| SIMD_LOGICAL_TYPES(SIMD_NOT_FUNCTION) |
| |
| //------------------------------------------------------------------- |
| |
| // Select functions. |
| |
| #define SIMD_SELECT_TYPES(FUNCTION) \ |
| FUNCTION(Float32x4, float, Bool32x4, 4) \ |
| FUNCTION(Int32x4, int32_t, Bool32x4, 4) \ |
| FUNCTION(Uint32x4, uint32_t, Bool32x4, 4) \ |
| FUNCTION(Int16x8, int16_t, Bool16x8, 8) \ |
| FUNCTION(Uint16x8, uint16_t, Bool16x8, 8) \ |
| FUNCTION(Int8x16, int8_t, Bool8x16, 16) \ |
| FUNCTION(Uint8x16, uint8_t, Bool8x16, 16) |
| |
| #define SIMD_SELECT_FUNCTION(type, lane_type, bool_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Select) { \ |
| static const int kLaneCount = lane_count; \ |
| HandleScope scope(isolate); \ |
| DCHECK(args.length() == 3); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(bool_type, mask, 0); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 1); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, b, 2); \ |
| lane_type lanes[kLaneCount]; \ |
| for (int i = 0; i < kLaneCount; i++) { \ |
| lanes[i] = mask->get_lane(i) ? a->get_lane(i) : b->get_lane(i); \ |
| } \ |
| Handle<type> result = isolate->factory()->New##type(lanes); \ |
| return *result; \ |
| } |
| |
| SIMD_SELECT_TYPES(SIMD_SELECT_FUNCTION) |
| |
| //------------------------------------------------------------------- |
| |
| // Signed / unsigned functions. |
| |
| #define SIMD_SIGNED_TYPES(FUNCTION) \ |
| FUNCTION(Float32x4, float, 4) \ |
| FUNCTION(Int32x4, int32_t, 4) \ |
| FUNCTION(Int16x8, int16_t, 8) \ |
| FUNCTION(Int8x16, int8_t, 16) |
| |
| #define SIMD_NEG_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Neg) { \ |
| HandleScope scope(isolate); \ |
| SIMD_UNARY_OP(type, lane_type, lane_count, -, result); \ |
| return *result; \ |
| } |
| |
| SIMD_SIGNED_TYPES(SIMD_NEG_FUNCTION) |
| |
| //------------------------------------------------------------------- |
| |
| // Casting functions. |
| |
| #define SIMD_FROM_TYPES(FUNCTION) \ |
| FUNCTION(Float32x4, float, 4, Int32x4, int32_t) \ |
| FUNCTION(Float32x4, float, 4, Uint32x4, uint32_t) \ |
| FUNCTION(Int32x4, int32_t, 4, Float32x4, float) \ |
| FUNCTION(Int32x4, int32_t, 4, Uint32x4, uint32_t) \ |
| FUNCTION(Uint32x4, uint32_t, 4, Float32x4, float) \ |
| FUNCTION(Uint32x4, uint32_t, 4, Int32x4, int32_t) \ |
| FUNCTION(Int16x8, int16_t, 8, Uint16x8, uint16_t) \ |
| FUNCTION(Uint16x8, uint16_t, 8, Int16x8, int16_t) \ |
| FUNCTION(Int8x16, int8_t, 16, Uint8x16, uint8_t) \ |
| FUNCTION(Uint8x16, uint8_t, 16, Int8x16, int8_t) |
| |
| #define SIMD_FROM_FUNCTION(type, lane_type, lane_count, from_type, from_ctype) \ |
| RUNTIME_FUNCTION(Runtime_##type##From##from_type) { \ |
| static const int kLaneCount = lane_count; \ |
| HandleScope scope(isolate); \ |
| DCHECK(args.length() == 1); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(from_type, a, 0); \ |
| lane_type lanes[kLaneCount]; \ |
| for (int i = 0; i < kLaneCount; i++) { \ |
| from_ctype a_value = a->get_lane(i); \ |
| if (a_value != a_value) a_value = 0; \ |
| RUNTIME_ASSERT(CanCast<lane_type>(a_value)); \ |
| lanes[i] = static_cast<lane_type>(a_value); \ |
| } \ |
| Handle<type> result = isolate->factory()->New##type(lanes); \ |
| return *result; \ |
| } |
| |
| SIMD_FROM_TYPES(SIMD_FROM_FUNCTION) |
| |
| #define SIMD_FROM_BITS_TYPES(FUNCTION) \ |
| FUNCTION(Float32x4, float, 4, Int32x4) \ |
| FUNCTION(Float32x4, float, 4, Uint32x4) \ |
| FUNCTION(Float32x4, float, 4, Int16x8) \ |
| FUNCTION(Float32x4, float, 4, Uint16x8) \ |
| FUNCTION(Float32x4, float, 4, Int8x16) \ |
| FUNCTION(Float32x4, float, 4, Uint8x16) \ |
| FUNCTION(Int32x4, int32_t, 4, Float32x4) \ |
| FUNCTION(Int32x4, int32_t, 4, Uint32x4) \ |
| FUNCTION(Int32x4, int32_t, 4, Int16x8) \ |
| FUNCTION(Int32x4, int32_t, 4, Uint16x8) \ |
| FUNCTION(Int32x4, int32_t, 4, Int8x16) \ |
| FUNCTION(Int32x4, int32_t, 4, Uint8x16) \ |
| FUNCTION(Uint32x4, uint32_t, 4, Float32x4) \ |
| FUNCTION(Uint32x4, uint32_t, 4, Int32x4) \ |
| FUNCTION(Uint32x4, uint32_t, 4, Int16x8) \ |
| FUNCTION(Uint32x4, uint32_t, 4, Uint16x8) \ |
| FUNCTION(Uint32x4, uint32_t, 4, Int8x16) \ |
| FUNCTION(Uint32x4, uint32_t, 4, Uint8x16) \ |
| FUNCTION(Int16x8, int16_t, 8, Float32x4) \ |
| FUNCTION(Int16x8, int16_t, 8, Int32x4) \ |
| FUNCTION(Int16x8, int16_t, 8, Uint32x4) \ |
| FUNCTION(Int16x8, int16_t, 8, Uint16x8) \ |
| FUNCTION(Int16x8, int16_t, 8, Int8x16) \ |
| FUNCTION(Int16x8, int16_t, 8, Uint8x16) \ |
| FUNCTION(Uint16x8, uint16_t, 8, Float32x4) \ |
| FUNCTION(Uint16x8, uint16_t, 8, Int32x4) \ |
| FUNCTION(Uint16x8, uint16_t, 8, Uint32x4) \ |
| FUNCTION(Uint16x8, uint16_t, 8, Int16x8) \ |
| FUNCTION(Uint16x8, uint16_t, 8, Int8x16) \ |
| FUNCTION(Uint16x8, uint16_t, 8, Uint8x16) \ |
| FUNCTION(Int8x16, int8_t, 16, Float32x4) \ |
| FUNCTION(Int8x16, int8_t, 16, Int32x4) \ |
| FUNCTION(Int8x16, int8_t, 16, Uint32x4) \ |
| FUNCTION(Int8x16, int8_t, 16, Int16x8) \ |
| FUNCTION(Int8x16, int8_t, 16, Uint16x8) \ |
| FUNCTION(Int8x16, int8_t, 16, Uint8x16) \ |
| FUNCTION(Uint8x16, uint8_t, 16, Float32x4) \ |
| FUNCTION(Uint8x16, uint8_t, 16, Int32x4) \ |
| FUNCTION(Uint8x16, uint8_t, 16, Uint32x4) \ |
| FUNCTION(Uint8x16, uint8_t, 16, Int16x8) \ |
| FUNCTION(Uint8x16, uint8_t, 16, Uint16x8) \ |
| FUNCTION(Uint8x16, uint8_t, 16, Int8x16) |
| |
| #define SIMD_FROM_BITS_FUNCTION(type, lane_type, lane_count, from_type) \ |
| RUNTIME_FUNCTION(Runtime_##type##From##from_type##Bits) { \ |
| static const int kLaneCount = lane_count; \ |
| HandleScope scope(isolate); \ |
| DCHECK(args.length() == 1); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(from_type, a, 0); \ |
| lane_type lanes[kLaneCount]; \ |
| a->CopyBits(lanes); \ |
| Handle<type> result = isolate->factory()->New##type(lanes); \ |
| return *result; \ |
| } |
| |
| SIMD_FROM_BITS_TYPES(SIMD_FROM_BITS_FUNCTION) |
| |
| |
| //------------------------------------------------------------------- |
| |
| // Load and Store functions. |
| |
| #define SIMD_LOADN_STOREN_TYPES(FUNCTION) \ |
| FUNCTION(Float32x4, float, 4) \ |
| FUNCTION(Int32x4, int32_t, 4) \ |
| FUNCTION(Uint32x4, uint32_t, 4) |
| |
| |
| // Common Load and Store Functions |
| |
| #define SIMD_LOAD(type, lane_type, lane_count, count, result) \ |
| static const int kLaneCount = lane_count; \ |
| DCHECK(args.length() == 2); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(JSTypedArray, tarray, 0); \ |
| CONVERT_INT32_ARG_CHECKED(index, 1) \ |
| size_t bpe = tarray->element_size(); \ |
| uint32_t bytes = count * sizeof(lane_type); \ |
| size_t byte_length = NumberToSize(isolate, tarray->byte_length()); \ |
| RUNTIME_ASSERT(index >= 0 && index * bpe + bytes <= byte_length); \ |
| size_t tarray_offset = NumberToSize(isolate, tarray->byte_offset()); \ |
| uint8_t* tarray_base = \ |
| static_cast<uint8_t*>(tarray->GetBuffer()->backing_store()) + \ |
| tarray_offset; \ |
| lane_type lanes[kLaneCount] = {0}; \ |
| memcpy(lanes, tarray_base + index * bpe, bytes); \ |
| Handle<type> result = isolate->factory()->New##type(lanes); |
| |
| |
| #define SIMD_STORE(type, lane_type, lane_count, count, a) \ |
| static const int kLaneCount = lane_count; \ |
| DCHECK(args.length() == 3); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(JSTypedArray, tarray, 0); \ |
| CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 2); \ |
| CONVERT_INT32_ARG_CHECKED(index, 1) \ |
| size_t bpe = tarray->element_size(); \ |
| uint32_t bytes = count * sizeof(lane_type); \ |
| size_t byte_length = NumberToSize(isolate, tarray->byte_length()); \ |
| RUNTIME_ASSERT(index >= 0 && index * bpe + bytes <= byte_length); \ |
| size_t tarray_offset = NumberToSize(isolate, tarray->byte_offset()); \ |
| uint8_t* tarray_base = \ |
| static_cast<uint8_t*>(tarray->GetBuffer()->backing_store()) + \ |
| tarray_offset; \ |
| lane_type lanes[kLaneCount]; \ |
| for (int i = 0; i < kLaneCount; i++) { \ |
| lanes[i] = a->get_lane(i); \ |
| } \ |
| memcpy(tarray_base + index * bpe, lanes, bytes); |
| |
| |
| #define SIMD_LOAD_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Load) { \ |
| HandleScope scope(isolate); \ |
| SIMD_LOAD(type, lane_type, lane_count, lane_count, result); \ |
| return *result; \ |
| } |
| |
| |
| #define SIMD_LOAD1_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Load1) { \ |
| HandleScope scope(isolate); \ |
| SIMD_LOAD(type, lane_type, lane_count, 1, result); \ |
| return *result; \ |
| } |
| |
| |
| #define SIMD_LOAD2_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Load2) { \ |
| HandleScope scope(isolate); \ |
| SIMD_LOAD(type, lane_type, lane_count, 2, result); \ |
| return *result; \ |
| } |
| |
| |
| #define SIMD_LOAD3_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Load3) { \ |
| HandleScope scope(isolate); \ |
| SIMD_LOAD(type, lane_type, lane_count, 3, result); \ |
| return *result; \ |
| } |
| |
| |
| #define SIMD_STORE_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Store) { \ |
| HandleScope scope(isolate); \ |
| SIMD_STORE(type, lane_type, lane_count, lane_count, a); \ |
| return *a; \ |
| } |
| |
| |
| #define SIMD_STORE1_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Store1) { \ |
| HandleScope scope(isolate); \ |
| SIMD_STORE(type, lane_type, lane_count, 1, a); \ |
| return *a; \ |
| } |
| |
| |
| #define SIMD_STORE2_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Store2) { \ |
| HandleScope scope(isolate); \ |
| SIMD_STORE(type, lane_type, lane_count, 2, a); \ |
| return *a; \ |
| } |
| |
| |
| #define SIMD_STORE3_FUNCTION(type, lane_type, lane_count) \ |
| RUNTIME_FUNCTION(Runtime_##type##Store3) { \ |
| HandleScope scope(isolate); \ |
| SIMD_STORE(type, lane_type, lane_count, 3, a); \ |
| return *a; \ |
| } |
| |
| |
| SIMD_NUMERIC_TYPES(SIMD_LOAD_FUNCTION) |
| SIMD_LOADN_STOREN_TYPES(SIMD_LOAD1_FUNCTION) |
| SIMD_LOADN_STOREN_TYPES(SIMD_LOAD2_FUNCTION) |
| SIMD_LOADN_STOREN_TYPES(SIMD_LOAD3_FUNCTION) |
| SIMD_NUMERIC_TYPES(SIMD_STORE_FUNCTION) |
| SIMD_LOADN_STOREN_TYPES(SIMD_STORE1_FUNCTION) |
| SIMD_LOADN_STOREN_TYPES(SIMD_STORE2_FUNCTION) |
| SIMD_LOADN_STOREN_TYPES(SIMD_STORE3_FUNCTION) |
| |
| //------------------------------------------------------------------- |
| |
| } // namespace internal |
| } // namespace v8 |