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js/src/builtin/SIMD.h@129ffea94266 (annotated)

js/src/builtin/SIMD.h

Sat, 03 Jan 2015 20:18:00 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Sat, 03 Jan 2015 20:18:00 +0100

branch

TOR_BUG_3246

changeset 7

129ffea94266

permissions

-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0	1	/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0	2	* vim: set ts=8 sts=4 et sw=4 tw=99:
michael@0	3	* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	5	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	#ifndef builtin_SIMD_h
michael@0	8	#define builtin_SIMD_h
michael@0	9
michael@0	10	#include "jsapi.h"
michael@0	11	#include "jsobj.h"
michael@0	12	#include "builtin/TypedObject.h"
michael@0	13	#include "vm/GlobalObject.h"
michael@0	14
michael@0	15	/*
michael@0	16	* JS SIMD functions.
michael@0	17	* Spec matching polyfill:
michael@0	18	* https://github.com/johnmccutchan/ecmascript_simd/blob/master/src/ecmascript_simd.js
michael@0	19	*/
michael@0	20
michael@0	21	#define FLOAT32X4_NULLARY_FUNCTION_LIST(V) \
michael@0	22	V(zero, (FuncZero<Float32x4>), 0, 0, Zero)
michael@0	23
michael@0	24	#define FLOAT32X4_UNARY_FUNCTION_LIST(V) \
michael@0	25	V(abs, (Func<Float32x4, Abs<float, Float32x4>, Float32x4>), 1, 0, Abs) \
michael@0	26	V(bitsToInt32x4, (FuncConvertBits<Float32x4, Int32x4>), 1, 0, BitsToInt32x4) \
michael@0	27	V(neg, (Func<Float32x4, Neg<float, Float32x4>, Float32x4>), 1, 0, Neg) \
michael@0	28	V(reciprocal, (Func<Float32x4, Rec<float, Float32x4>, Float32x4>), 1, 0, Reciprocal) \
michael@0	29	V(reciprocalSqrt, (Func<Float32x4, RecSqrt<float, Float32x4>, Float32x4>), 1, 0, ReciprocalSqrt) \
michael@0	30	V(splat, (FuncSplat<Float32x4>), 1, 0, Splat) \
michael@0	31	V(sqrt, (Func<Float32x4, Sqrt<float, Float32x4>, Float32x4>), 1, 0, Sqrt) \
michael@0	32	V(toInt32x4, (FuncConvert<Float32x4, Int32x4>), 1, 0, ToInt32x4)
michael@0	33
michael@0	34	#define FLOAT32X4_BINARY_FUNCTION_LIST(V) \
michael@0	35	V(add, (Func<Float32x4, Add<float, Float32x4>, Float32x4>), 2, 0, Add) \
michael@0	36	V(div, (Func<Float32x4, Div<float, Float32x4>, Float32x4>), 2, 0, Div) \
michael@0	37	V(equal, (Func<Float32x4, Equal<float, Int32x4>, Int32x4>), 2, 0, Equal) \
michael@0	38	V(greaterThan, (Func<Float32x4, GreaterThan<float, Int32x4>, Int32x4>), 2, 0, GreaterThan) \
michael@0	39	V(greaterThanOrEqual, (Func<Float32x4, GreaterThanOrEqual<float, Int32x4>, Int32x4>), 2, 0, GreaterThanOrEqual) \
michael@0	40	V(lessThan, (Func<Float32x4, LessThan<float, Int32x4>, Int32x4>), 2, 0, LessThan) \
michael@0	41	V(lessThanOrEqual, (Func<Float32x4, LessThanOrEqual<float, Int32x4>, Int32x4>), 2, 0, LessThanOrEqual) \
michael@0	42	V(max, (Func<Float32x4, Maximum<float, Float32x4>, Float32x4>), 2, 0, Max) \
michael@0	43	V(min, (Func<Float32x4, Minimum<float, Float32x4>, Float32x4>), 2, 0, Min) \
michael@0	44	V(mul, (Func<Float32x4, Mul<float, Float32x4>, Float32x4>), 2, 0, Mul) \
michael@0	45	V(notEqual, (Func<Float32x4, NotEqual<float, Int32x4>, Int32x4>), 2, 0, NotEqual) \
michael@0	46	V(shuffle, (FuncShuffle<Float32x4, Shuffle<float, Float32x4>, Float32x4>), 2, 0, Shuffle) \
michael@0	47	V(scale, (FuncWith<Float32x4, Scale<float, Float32x4>, Float32x4>), 2, 0, Scale) \
michael@0	48	V(sub, (Func<Float32x4, Sub<float, Float32x4>, Float32x4>), 2, 0, Sub) \
michael@0	49	V(withX, (FuncWith<Float32x4, WithX<float, Float32x4>, Float32x4>), 2, 0, WithX) \
michael@0	50	V(withY, (FuncWith<Float32x4, WithY<float, Float32x4>, Float32x4>), 2, 0, WithY) \
michael@0	51	V(withZ, (FuncWith<Float32x4, WithZ<float, Float32x4>, Float32x4>), 2, 0, WithZ) \
michael@0	52	V(withW, (FuncWith<Float32x4, WithW<float, Float32x4>, Float32x4>), 2, 0, WithW)
michael@0	53
michael@0	54	#define FLOAT32X4_TERNARY_FUNCTION_LIST(V) \
michael@0	55	V(clamp, Float32x4Clamp, 3, 0, Clamp) \
michael@0	56	V(shuffleMix, (FuncShuffle<Float32x4, Shuffle<float, Float32x4>, Float32x4>), 3, 0, ShuffleMix)
michael@0	57
michael@0	58	#define FLOAT32X4_FUNCTION_LIST(V) \
michael@0	59	FLOAT32X4_NULLARY_FUNCTION_LIST(V) \
michael@0	60	FLOAT32X4_UNARY_FUNCTION_LIST(V) \
michael@0	61	FLOAT32X4_BINARY_FUNCTION_LIST(V) \
michael@0	62	FLOAT32X4_TERNARY_FUNCTION_LIST(V)
michael@0	63
michael@0	64	#define INT32X4_NULLARY_FUNCTION_LIST(V) \
michael@0	65	V(zero, (FuncZero<Int32x4>), 0, 0, Zero)
michael@0	66
michael@0	67	#define INT32X4_UNARY_FUNCTION_LIST(V) \
michael@0	68	V(bitsToFloat32x4, (FuncConvertBits<Int32x4, Float32x4>), 1, 0, BitsToFloat32x4) \
michael@0	69	V(neg, (Func<Int32x4, Neg<int32_t, Int32x4>, Int32x4>), 1, 0, Neg) \
michael@0	70	V(not, (Func<Int32x4, Not<int32_t, Int32x4>, Int32x4>), 1, 0, Not) \
michael@0	71	V(splat, (FuncSplat<Int32x4>), 0, 0, Splat) \
michael@0	72	V(toFloat32x4, (FuncConvert<Int32x4, Float32x4>), 1, 0, ToFloat32x4)
michael@0	73
michael@0	74	#define INT32X4_BINARY_FUNCTION_LIST(V) \
michael@0	75	V(add, (Func<Int32x4, Add<int32_t, Int32x4>, Int32x4>), 2, 0, Add) \
michael@0	76	V(and, (Func<Int32x4, And<int32_t, Int32x4>, Int32x4>), 2, 0, And) \
michael@0	77	V(mul, (Func<Int32x4, Mul<int32_t, Int32x4>, Int32x4>), 2, 0, Mul) \
michael@0	78	V(or, (Func<Int32x4, Or<int32_t, Int32x4>, Int32x4>), 2, 0, Or) \
michael@0	79	V(sub, (Func<Int32x4, Sub<int32_t, Int32x4>, Int32x4>), 2, 0, Sub) \
michael@0	80	V(shuffle, (FuncShuffle<Int32x4, Shuffle<int32_t, Int32x4>, Int32x4>), 2, 0, Shuffle) \
michael@0	81	V(withFlagX, (FuncWith<Int32x4, WithFlagX<int32_t, Int32x4>, Int32x4>), 2, 0, WithFlagX) \
michael@0	82	V(withFlagY, (FuncWith<Int32x4, WithFlagY<int32_t, Int32x4>, Int32x4>), 2, 0, WithFlagY) \
michael@0	83	V(withFlagZ, (FuncWith<Int32x4, WithFlagZ<int32_t, Int32x4>, Int32x4>), 2, 0, WithFlagZ) \
michael@0	84	V(withFlagW, (FuncWith<Int32x4, WithFlagW<int32_t, Int32x4>, Int32x4>), 2, 0, WithFlagW) \
michael@0	85	V(withX, (FuncWith<Int32x4, WithX<int32_t, Int32x4>, Int32x4>), 2, 0, WithX) \
michael@0	86	V(withY, (FuncWith<Int32x4, WithY<int32_t, Int32x4>, Int32x4>), 2, 0, WithY) \
michael@0	87	V(withZ, (FuncWith<Int32x4, WithZ<int32_t, Int32x4>, Int32x4>), 2, 0, WithZ) \
michael@0	88	V(withW, (FuncWith<Int32x4, WithW<int32_t, Int32x4>, Int32x4>), 2, 0, WithW) \
michael@0	89	V(xor, (Func<Int32x4, Xor<int32_t, Int32x4>, Int32x4>), 2, 0, Xor)
michael@0	90
michael@0	91	#define INT32X4_TERNARY_FUNCTION_LIST(V) \
michael@0	92	V(select, Int32x4Select, 3, 0, Select) \
michael@0	93	V(shuffleMix, (FuncShuffle<Int32x4, Shuffle<int32_t, Int32x4>, Int32x4>), 3, 0, ShuffleMix)
michael@0	94
michael@0	95	#define INT32X4_QUARTERNARY_FUNCTION_LIST(V) \
michael@0	96	V(bool, Int32x4Bool, 4, 0, Bool)
michael@0	97
michael@0	98	#define INT32X4_FUNCTION_LIST(V) \
michael@0	99	INT32X4_NULLARY_FUNCTION_LIST(V) \
michael@0	100	INT32X4_UNARY_FUNCTION_LIST(V) \
michael@0	101	INT32X4_BINARY_FUNCTION_LIST(V) \
michael@0	102	INT32X4_TERNARY_FUNCTION_LIST(V) \
michael@0	103	INT32X4_QUARTERNARY_FUNCTION_LIST(V)
michael@0	104
michael@0	105	namespace js {
michael@0	106
michael@0	107	class SIMDObject : public JSObject
michael@0	108	{
michael@0	109	public:
michael@0	110	static const Class class_;
michael@0	111	static JSObject* initClass(JSContext *cx, Handle<GlobalObject *> global);
michael@0	112	static bool toString(JSContext *cx, unsigned int argc, jsval *vp);
michael@0	113	};
michael@0	114
michael@0	115	// These classes exist for use with templates below.
michael@0	116
michael@0	117	struct Float32x4 {
michael@0	118	typedef float Elem;
michael@0	119	static const int32_t lanes = 4;
michael@0	120	static const X4TypeDescr::Type type = X4TypeDescr::TYPE_FLOAT32;
michael@0	121
michael@0	122	static TypeDescr &GetTypeDescr(GlobalObject &global) {
michael@0	123	return global.float32x4TypeDescr().as<TypeDescr>();
michael@0	124	}
michael@0	125	static Elem toType(Elem a) {
michael@0	126	return a;
michael@0	127	}
michael@0	128	static bool toType(JSContext *cx, JS::HandleValue v, Elem *out) {
michael@0	129	*out = v.toNumber();
michael@0	130	return true;
michael@0	131	}
michael@0	132	static void setReturn(CallArgs &args, Elem value) {
michael@0	133	args.rval().setDouble(JS::CanonicalizeNaN(value));
michael@0	134	}
michael@0	135	};
michael@0	136
michael@0	137	struct Int32x4 {
michael@0	138	typedef int32_t Elem;
michael@0	139	static const int32_t lanes = 4;
michael@0	140	static const X4TypeDescr::Type type = X4TypeDescr::TYPE_INT32;
michael@0	141
michael@0	142	static TypeDescr &GetTypeDescr(GlobalObject &global) {
michael@0	143	return global.int32x4TypeDescr().as<TypeDescr>();
michael@0	144	}
michael@0	145	static Elem toType(Elem a) {
michael@0	146	return ToInt32(a);
michael@0	147	}
michael@0	148	static bool toType(JSContext *cx, JS::HandleValue v, Elem *out) {
michael@0	149	return ToInt32(cx, v, out);
michael@0	150	}
michael@0	151	static void setReturn(CallArgs &args, Elem value) {
michael@0	152	args.rval().setInt32(value);
michael@0	153	}
michael@0	154	};
michael@0	155
michael@0	156	template<typename V>
michael@0	157	JSObject *Create(JSContext *cx, typename V::Elem *data);
michael@0	158
michael@0	159	#define DECLARE_SIMD_FLOAT32X4_FUNCTION(Name, Func, Operands, Flags, MIRId) \
michael@0	160	extern bool \
michael@0	161	simd_float32x4_##Name(JSContext *cx, unsigned argc, Value *vp);
michael@0	162	FLOAT32X4_FUNCTION_LIST(DECLARE_SIMD_FLOAT32X4_FUNCTION)
michael@0	163	#undef DECLARE_SIMD_FLOAT32X4_FUNCTION
michael@0	164
michael@0	165	#define DECLARE_SIMD_INT32x4_FUNCTION(Name, Func, Operands, Flags, MIRId) \
michael@0	166	extern bool \
michael@0	167	simd_int32x4_##Name(JSContext *cx, unsigned argc, Value *vp);
michael@0	168	INT32X4_FUNCTION_LIST(DECLARE_SIMD_INT32x4_FUNCTION)
michael@0	169	#undef DECLARE_SIMD_INT32x4_FUNCTION
michael@0	170
michael@0	171	} /* namespace js */
michael@0	172
michael@0	173	JSObject *
michael@0	174	js_InitSIMDClass(JSContext *cx, js::HandleObject obj);
michael@0	175
michael@0	176	#endif /* builtin_SIMD_h */