 Chromium Code Reviews
 Chromium Code Reviews Issue 1230343003:
  V8: Add SIMD functions.  (Closed) 
  Base URL: https://chromium.googlesource.com/v8/v8.git@master
    
  
    Issue 1230343003:
  V8: Add SIMD functions.  (Closed) 
  Base URL: https://chromium.googlesource.com/v8/v8.git@master| Index: src/runtime/runtime-simd.cc | 
| diff --git a/src/runtime/runtime-simd.cc b/src/runtime/runtime-simd.cc | 
| index ffb29c0586c2754e20c7874e1423357725b8a291..e64d0ea97f8a6689378461692686766c537176e6 100644 | 
| --- a/src/runtime/runtime-simd.cc | 
| +++ b/src/runtime/runtime-simd.cc | 
| @@ -13,85 +13,6 @@ | 
| // the SIMD.js draft spec: | 
| // http://littledan.github.io/simd.html | 
| -#define CONVERT_SIMD_LANE_ARG_CHECKED(name, index, lanes) \ | 
| - CONVERT_INT32_ARG_CHECKED(name, index); \ | 
| - RUNTIME_ASSERT(name >= 0 && name < lanes); | 
| - | 
| -#define SIMD_CREATE_NUMERIC_FUNCTION(type, lane_type, lane_count) \ | 
| - 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++) { \ | 
| - CONVERT_NUMBER_ARG_HANDLE_CHECKED(number, i); \ | 
| - lanes[i] = ConvertNumber<lane_type>(number->Number()); \ | 
| - } \ | 
| - return *isolate->factory()->New##type(lanes); \ | 
| - } | 
| - | 
| -#define SIMD_CREATE_BOOLEAN_FUNCTION(type, lane_count) \ | 
| - RUNTIME_FUNCTION(Runtime_Create##type) { \ | 
| - static const int kLaneCount = lane_count; \ | 
| - HandleScope scope(isolate); \ | 
| - DCHECK(args.length() == kLaneCount); \ | 
| - bool lanes[kLaneCount]; \ | 
| - for (int i = 0; i < kLaneCount; i++) { \ | 
| - lanes[i] = args[i]->BooleanValue(); \ | 
| - } \ | 
| - return *isolate->factory()->New##type(lanes); \ | 
| - } | 
| - | 
| -#define SIMD_CHECK_FUNCTION(type) \ | 
| - RUNTIME_FUNCTION(Runtime_##type##Check) { \ | 
| - HandleScope scope(isolate); \ | 
| - CONVERT_ARG_HANDLE_CHECKED(type, a, 0); \ | 
| - return *a; \ | 
| - } | 
| - | 
| -#define SIMD_EXTRACT_LANE_FUNCTION(type, lanes, extract_fn) \ | 
| - RUNTIME_FUNCTION(Runtime_##type##ExtractLane) { \ | 
| - HandleScope scope(isolate); \ | 
| - DCHECK(args.length() == 2); \ | 
| - CONVERT_ARG_HANDLE_CHECKED(type, a, 0); \ | 
| - CONVERT_SIMD_LANE_ARG_CHECKED(lane, 1, lanes); \ | 
| - return *isolate->factory()->extract_fn(a->get_lane(lane)); \ | 
| - } | 
| - | 
| -#define SIMD_REPLACE_NUMERIC_LANE_FUNCTION(type, lane_type, lane_count) \ | 
| - RUNTIME_FUNCTION(Runtime_##type##ReplaceLane) { \ | 
| - static const int kLaneCount = lane_count; \ | 
| - HandleScope scope(isolate); \ | 
| - DCHECK(args.length() == 3); \ | 
| - CONVERT_ARG_HANDLE_CHECKED(type, simd, 0); \ | 
| - CONVERT_SIMD_LANE_ARG_CHECKED(lane, 1, kLaneCount); \ | 
| - CONVERT_NUMBER_ARG_HANDLE_CHECKED(number, 2); \ | 
| - lane_type lanes[kLaneCount]; \ | 
| - for (int i = 0; i < kLaneCount; i++) { \ | 
| - lanes[i] = simd->get_lane(i); \ | 
| - } \ | 
| - lanes[lane] = ConvertNumber<lane_type>(number->Number()); \ | 
| - Handle<type> result = isolate->factory()->New##type(lanes); \ | 
| - return *result; \ | 
| - } | 
| - | 
| -#define SIMD_REPLACE_BOOLEAN_LANE_FUNCTION(type, lane_count) \ | 
| - RUNTIME_FUNCTION(Runtime_##type##ReplaceLane) { \ | 
| - static const int kLaneCount = lane_count; \ | 
| - HandleScope scope(isolate); \ | 
| - DCHECK(args.length() == 3); \ | 
| - CONVERT_ARG_HANDLE_CHECKED(type, simd, 0); \ | 
| - CONVERT_SIMD_LANE_ARG_CHECKED(lane, 1, kLaneCount); \ | 
| - bool lanes[kLaneCount]; \ | 
| - for (int i = 0; i < kLaneCount; i++) { \ | 
| - lanes[i] = simd->get_lane(i); \ | 
| - } \ | 
| - lanes[lane] = args[2]->BooleanValue(); \ | 
| - Handle<type> result = isolate->factory()->New##type(lanes); \ | 
| - return *result; \ | 
| - } | 
| - | 
| - | 
| namespace v8 { | 
| namespace internal { | 
| @@ -134,8 +55,80 @@ bool Equals(Float32x4* a, Float32x4* b) { | 
| return true; | 
| } | 
| + | 
| +inline float RecipApprox(float a) { return 1.0f / a; } | 
| + | 
| + | 
| +inline float RecipSqrtApprox(float a) { return 1.0f / std::sqrt(a); } | 
| 
Dan Ehrenberg
2015/08/06 00:12:25
We may have to revisit these at some point, to cre
 
bbudge
2015/08/06 14:07:32
I'll add a TODO.
 | 
| + | 
| + | 
| +// 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); | 
| +} | 
| + | 
| + | 
| +inline bool CanCast(int32_t a) { return true; } | 
| + | 
| + | 
| +inline bool CanCast(float a) { | 
| + return a > std::numeric_limits<int32_t>::min() && | 
| + a < std::numeric_limits<int32_t>::max(); | 
| +} | 
| + | 
| } // namespace | 
| +//------------------------------------------------------------------- | 
| + | 
| +// SIMD helper functions. | 
| RUNTIME_FUNCTION(Runtime_IsSimdObject) { | 
| HandleScope scope(isolate); | 
| @@ -212,32 +205,615 @@ RUNTIME_FUNCTION(Runtime_SimdSameValueZero) { | 
| } | 
| -SIMD_CREATE_NUMERIC_FUNCTION(Float32x4, float, 4) | 
| -SIMD_CREATE_NUMERIC_FUNCTION(Int32x4, int32_t, 4) | 
| -SIMD_CREATE_BOOLEAN_FUNCTION(Bool32x4, 4) | 
| -SIMD_CREATE_NUMERIC_FUNCTION(Int16x8, int16_t, 8) | 
| -SIMD_CREATE_BOOLEAN_FUNCTION(Bool16x8, 8) | 
| -SIMD_CREATE_NUMERIC_FUNCTION(Int8x16, int8_t, 16) | 
| -SIMD_CREATE_BOOLEAN_FUNCTION(Bool8x16, 16) | 
| +//------------------------------------------------------------------- | 
| + | 
| +// Utility macros. | 
| + | 
| +#define CONVERT_SIMD_LANE_ARG_CHECKED(name, index, lanes) \ | 
| + CONVERT_INT32_ARG_CHECKED(name, index); \ | 
| + RUNTIME_ASSERT(name >= 0 && name < lanes); | 
| + | 
| +#define SIMD_UNARY_OP(type, lane_type, lane_count, op, result) \ | 
| + static const int kLaneCount = lane_count; \ | 
| + DCHECK(args.length() == 1); \ | 
| + CONVERT_ARG_HANDLE_CHECKED(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_ARG_HANDLE_CHECKED(type, a, 0); \ | 
| + CONVERT_ARG_HANDLE_CHECKED(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_ARG_HANDLE_CHECKED(type, a, 0); \ | 
| + CONVERT_ARG_HANDLE_CHECKED(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(Bool32x4, bool, 4, ToBoolean, GET_BOOLEAN_ARG) \ | 
| + FUNCTION(Int16x8, int16_t, 8, NewNumber, GET_NUMERIC_ARG) \ | 
| + FUNCTION(Bool16x8, bool, 8, ToBoolean, GET_BOOLEAN_ARG) \ | 
| + FUNCTION(Int8x16, int8_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_ARG_HANDLE_CHECKED(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_ARG_HANDLE_CHECKED(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_ARG_HANDLE_CHECKED(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_ARG_HANDLE_CHECKED(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_ARG_HANDLE_CHECKED(type, a, 0); \ | 
| + CONVERT_ARG_HANDLE_CHECKED(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, 0xffffffff, 4) \ | 
| + FUNCTION(Int16x8, int16_t, 0xffff, 8) \ | 
| + FUNCTION(Int8x16, int8_t, 0xff, 16) | 
| + | 
| +#define SIMD_SHIFT_LEFT_FUNCTION(type, lane_type, mask, lane_count) \ | 
| + RUNTIME_FUNCTION(Runtime_##type##ShiftLeftByScalar) { \ | 
| + static const int kLaneCount = lane_count; \ | 
| + HandleScope scope(isolate); \ | 
| + DCHECK(args.length() == 2); \ | 
| + CONVERT_ARG_HANDLE_CHECKED(type, a, 0); \ | 
| + CONVERT_INT32_ARG_CHECKED(shift, 1); \ | 
| + shift = shift & 0x3f; \ | 
| 
Dan Ehrenberg
2015/08/06 00:12:25
Looks like you're implementing wrap-around behavio
 
bbudge
2015/08/06 14:07:32
Done.
 | 
| + 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; \ | 
| + } | 
| + | 
| +#define SIMD_SHIFT_RIGHT_LOGICAL_FUNCTION(type, lane_type, mask, lane_count) \ | 
| + RUNTIME_FUNCTION(Runtime_##type##ShiftRightLogicalByScalar) { \ | 
| + static const int kLaneCount = lane_count; \ | 
| + HandleScope scope(isolate); \ | 
| + DCHECK(args.length() == 2); \ | 
| + CONVERT_ARG_HANDLE_CHECKED(type, a, 0); \ | 
| + CONVERT_INT32_ARG_CHECKED(shift, 1); \ | 
| + shift = shift & 0x3f; \ | 
| + lane_type lanes[kLaneCount]; \ | 
| + for (int i = 0; i < kLaneCount; i++) { \ | 
| + int64_t shifted = \ | 
| + (static_cast<int64_t>(a->get_lane(i)) & mask) >> shift; \ | 
| + lanes[i] = static_cast<lane_type>(shifted); \ | 
| + } \ | 
| + Handle<type> result = isolate->factory()->New##type(lanes); \ | 
| + return *result; \ | 
| + } | 
| + | 
| +#define SIMD_SHIFT_RIGHT_ARITHMETIC_FUNCTION(type, lane_type, mask, \ | 
| + lane_count) \ | 
| + RUNTIME_FUNCTION(Runtime_##type##ShiftRightArithmeticByScalar) { \ | 
| + static const int kLaneCount = lane_count; \ | 
| + HandleScope scope(isolate); \ | 
| + DCHECK(args.length() == 2); \ | 
| + CONVERT_ARG_HANDLE_CHECKED(type, a, 0); \ | 
| + CONVERT_INT32_ARG_CHECKED(shift, 1); \ | 
| + shift = shift & 0x3f; \ | 
| + 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_SHIFT_LEFT_FUNCTION) | 
| +SIMD_INT_TYPES(SIMD_SHIFT_RIGHT_LOGICAL_FUNCTION) | 
| +SIMD_INT_TYPES(SIMD_SHIFT_RIGHT_ARITHMETIC_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_ARG_HANDLE_CHECKED(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_ARG_HANDLE_CHECKED(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(Int8x16, int8_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(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; \ | 
| + } | 
| + | 
| +#define BINARY_ADD(a, b) (a) + (b) | 
| 
Dan Ehrenberg
2015/08/06 00:12:25
We'll have to revisit ops like this for proper den
 | 
| +#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_NEG_FUNCTION) | 
| +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(Int16x8, Bool16x8, 8) \ | 
| + FUNCTION(Int8x16, 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_CHECK_FUNCTION(Float32x4) | 
| -SIMD_CHECK_FUNCTION(Int32x4) | 
| -SIMD_CHECK_FUNCTION(Bool32x4) | 
| -SIMD_CHECK_FUNCTION(Int16x8) | 
| -SIMD_CHECK_FUNCTION(Bool16x8) | 
| -SIMD_CHECK_FUNCTION(Int8x16) | 
| -SIMD_CHECK_FUNCTION(Bool8x16) | 
| +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; \ | 
| + } | 
| -SIMD_EXTRACT_LANE_FUNCTION(Float32x4, 4, NewNumber) | 
| -SIMD_EXTRACT_LANE_FUNCTION(Int32x4, 4, NewNumber) | 
| -SIMD_EXTRACT_LANE_FUNCTION(Bool32x4, 4, ToBoolean) | 
| -SIMD_EXTRACT_LANE_FUNCTION(Int16x8, 8, NewNumber) | 
| -SIMD_EXTRACT_LANE_FUNCTION(Bool16x8, 8, ToBoolean) | 
| -SIMD_EXTRACT_LANE_FUNCTION(Int8x16, 16, NewNumber) | 
| -SIMD_EXTRACT_LANE_FUNCTION(Bool8x16, 16, ToBoolean) | 
| +#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(Int16x8, int16_t, 8, _INT) \ | 
| + FUNCTION(Int8x16, int8_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(Int16x8, int16_t, Bool16x8, 8) \ | 
| + FUNCTION(Int8x16, int8_t, Bool8x16, 16) \ | 
| + FUNCTION(Bool32x4, bool, Bool32x4, 4) \ | 
| + FUNCTION(Bool16x8, bool, Bool16x8, 8) \ | 
| + FUNCTION(Bool8x16, bool, 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_ARG_HANDLE_CHECKED(bool_type, mask, 0); \ | 
| + CONVERT_ARG_HANDLE_CHECKED(type, a, 1); \ | 
| + CONVERT_ARG_HANDLE_CHECKED(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) | 
| + | 
| +//------------------------------------------------------------------- | 
| + | 
| +// Casting functions. | 
| + | 
| +#define SIMD_FROM_TYPES(FUNCTION) \ | 
| + FUNCTION(Float32x4, float, 4, Int32x4, int32_t) \ | 
| + FUNCTION(Int32x4, int32_t, 4, Float32x4, float) | 
| + | 
| +#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_ARG_HANDLE_CHECKED(from_type, a, 0); \ | 
| + lane_type lanes[kLaneCount]; \ | 
| + for (int i = 0; i < kLaneCount; i++) { \ | 
| + from_ctype a_value = a->get_lane(i); \ | 
| + RUNTIME_ASSERT(CanCast(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, Int16x8) \ | 
| + FUNCTION(Float32x4, float, 4, Int8x16) \ | 
| + FUNCTION(Int32x4, int32_t, 4, Float32x4) \ | 
| + FUNCTION(Int32x4, int32_t, 4, Int16x8) \ | 
| + FUNCTION(Int32x4, int32_t, 4, Int8x16) \ | 
| + FUNCTION(Int16x8, int16_t, 8, Float32x4) \ | 
| + FUNCTION(Int16x8, int16_t, 8, Int32x4) \ | 
| + FUNCTION(Int16x8, int16_t, 8, Int8x16) \ | 
| + FUNCTION(Int8x16, int8_t, 16, Float32x4) \ | 
| + FUNCTION(Int8x16, int8_t, 16, Int32x4) \ | 
| + FUNCTION(Int8x16, int8_t, 16, Int16x8) | 
| + | 
| +#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_ARG_HANDLE_CHECKED(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) | 
| + | 
| +//------------------------------------------------------------------- | 
| + | 
| +// Unsigned extract functions. | 
| +// TODO(bbudge): remove when spec changes to include unsigned int types. | 
| RUNTIME_FUNCTION(Runtime_Int16x8UnsignedExtractLane) { | 
| HandleScope scope(isolate); | 
| @@ -255,14 +831,5 @@ RUNTIME_FUNCTION(Runtime_Int8x16UnsignedExtractLane) { | 
| CONVERT_SIMD_LANE_ARG_CHECKED(lane, 1, 16); | 
| return *isolate->factory()->NewNumber(bit_cast<uint8_t>(a->get_lane(lane))); | 
| } | 
| - | 
| - | 
| -SIMD_REPLACE_NUMERIC_LANE_FUNCTION(Float32x4, float, 4) | 
| -SIMD_REPLACE_NUMERIC_LANE_FUNCTION(Int32x4, int32_t, 4) | 
| -SIMD_REPLACE_BOOLEAN_LANE_FUNCTION(Bool32x4, 4) | 
| -SIMD_REPLACE_NUMERIC_LANE_FUNCTION(Int16x8, int16_t, 8) | 
| -SIMD_REPLACE_BOOLEAN_LANE_FUNCTION(Bool16x8, 8) | 
| -SIMD_REPLACE_NUMERIC_LANE_FUNCTION(Int8x16, int8_t, 16) | 
| -SIMD_REPLACE_BOOLEAN_LANE_FUNCTION(Bool8x16, 16) | 
| } // namespace internal | 
| } // namespace v8 |