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Unified Diff: src/runtime/runtime-simd.cc

Issue 2692933002: Revert of Remove SIMD.js from V8. (Closed)
Patch Set: Created 3 years, 10 months ago
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Index: src/runtime/runtime-simd.cc
diff --git a/src/runtime/runtime-simd.cc b/src/runtime/runtime-simd.cc
new file mode 100644
index 0000000000000000000000000000000000000000..067e9d680d312f0c4cdfbeed4bd6b5c4980e118f
--- /dev/null
+++ b/src/runtime/runtime-simd.cc
@@ -0,0 +1,1016 @@
+// 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.
+ from = trunc(from);
+ 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_EQ(1, args.length());
+ return isolate->heap()->ToBoolean(args[0]->IsSimd128Value());
+}
+
+
+//-------------------------------------------------------------------
+
+// Utility macros.
+
+// TODO(gdeepti): Fix to use ToNumber conversion once polyfill is updated.
+#define CONVERT_SIMD_LANE_ARG_CHECKED(name, index, lanes) \
+ Handle<Object> name_object = args.at(index); \
+ if (!name_object->IsNumber()) { \
+ THROW_NEW_ERROR_RETURN_FAILURE( \
+ isolate, NewTypeError(MessageTemplate::kInvalidSimdIndex)); \
+ } \
+ double number = name_object->Number(); \
+ if (number < 0 || number >= lanes || !IsInt32Double(number)) { \
+ THROW_NEW_ERROR_RETURN_FAILURE( \
+ isolate, NewRangeError(MessageTemplate::kInvalidSimdIndex)); \
+ } \
+ uint32_t name = static_cast<uint32_t>(number);
+
+#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_EQ(1, args.length()); \
+ 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_EQ(2, args.length()); \
+ 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_EQ(2, args.length()); \
+ 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) \
+ Handle<Object> a; \
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, a, \
+ Object::ToNumber(args.at(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_EQ(2, args.length()); \
+ 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_EQ(3, args.length()); \
+ 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) \
+ Handle<Object> name_object = args.at(index); \
+ if (!name_object->IsNumber()) { \
+ THROW_NEW_ERROR_RETURN_FAILURE( \
+ isolate, NewTypeError(MessageTemplate::kInvalidSimdOperation)); \
+ } \
+ int32_t signed_shift = 0; \
+ 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_EQ(2, args.length()); \
+ CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 0); \
+ CONVERT_SHIFT_ARG_CHECKED(shift, 1); \
+ lane_type lanes[kLaneCount] = {0}; \
+ shift &= lane_bits - 1; \
+ 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_EQ(2, args.length()); \
+ CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 0); \
+ CONVERT_SHIFT_ARG_CHECKED(shift, 1); \
+ lane_type lanes[kLaneCount] = {0}; \
+ shift &= lane_bits - 1; \
+ 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_EQ(2, args.length()); \
+ CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 0); \
+ CONVERT_SHIFT_ARG_CHECKED(shift, 1); \
+ 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_EQ(1, args.length()); \
+ 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_EQ(1, args.length()); \
+ 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_EQ(3, args.length()); \
+ 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_EQ(1, args.length()); \
+ 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 || !CanCast<lane_type>(a_value)) { \
+ THROW_NEW_ERROR_RETURN_FAILURE( \
+ isolate, NewRangeError(MessageTemplate::kInvalidSimdLaneValue)); \
+ } \
+ 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_EQ(1, args.length()); \
+ 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)
+
+#define SIMD_COERCE_INDEX(name, i) \
+ Handle<Object> length_object, number_object; \
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, length_object, \
+ Object::ToLength(isolate, args.at(i))); \
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, number_object, \
+ Object::ToNumber(args.at(i))); \
+ if (number_object->Number() != length_object->Number()) { \
+ THROW_NEW_ERROR_RETURN_FAILURE( \
+ isolate, NewTypeError(MessageTemplate::kInvalidSimdIndex)); \
+ } \
+ int32_t name = number_object->Number();
+
+// Common Load and Store Functions
+
+#define SIMD_LOAD(type, lane_type, lane_count, count, result) \
+ static const int kLaneCount = lane_count; \
+ DCHECK_EQ(2, args.length()); \
+ CONVERT_SIMD_ARG_HANDLE_THROW(JSTypedArray, tarray, 0); \
+ SIMD_COERCE_INDEX(index, 1); \
+ size_t bpe = tarray->element_size(); \
+ uint32_t bytes = count * sizeof(lane_type); \
+ size_t byte_length = NumberToSize(tarray->byte_length()); \
+ if (index < 0 || index * bpe + bytes > byte_length) { \
+ THROW_NEW_ERROR_RETURN_FAILURE( \
+ isolate, NewRangeError(MessageTemplate::kInvalidSimdIndex)); \
+ } \
+ size_t tarray_offset = NumberToSize(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_EQ(3, args.length()); \
+ CONVERT_SIMD_ARG_HANDLE_THROW(JSTypedArray, tarray, 0); \
+ CONVERT_SIMD_ARG_HANDLE_THROW(type, a, 2); \
+ SIMD_COERCE_INDEX(index, 1); \
+ size_t bpe = tarray->element_size(); \
+ uint32_t bytes = count * sizeof(lane_type); \
+ size_t byte_length = NumberToSize(tarray->byte_length()); \
+ if (index < 0 || byte_length < index * bpe + bytes) { \
+ THROW_NEW_ERROR_RETURN_FAILURE( \
+ isolate, NewRangeError(MessageTemplate::kInvalidSimdIndex)); \
+ } \
+ size_t tarray_offset = NumberToSize(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
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