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Bug 993034: SIMD - Define shallow wrappers macro that call templated functions instead of macro functions; r=nmatsakis

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This commit is contained in:
Benjamin Bouvier 2014-04-16 16:21:26 +02:00
parent 5cef02e0c1
commit 21bedb360f
1 changed files with 75 additions and 58 deletions
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133
js/src/builtin/SIMD.cpp
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@ -35,68 +35,85 @@ extern const JSFunctionSpec Int32x4Methods[];
///////////////////////////////////////////////////////////////////////////
// X4
#define LANE_ACCESSOR(Type32x4, lane) \
bool Type32x4##Lane##lane(JSContext *cx, unsigned argc, Value *vp) { \
static const char *laneNames[] = {"lane 0", "lane 1", "lane 2", "lane3"}; \
CallArgs args = CallArgsFromVp(argc, vp); \
if(!args.thisv().isObject() || !args.thisv().toObject().is<TypedObject>()) { \
JS_ReportErrorNumber(cx, js_GetErrorMessage, nullptr, JSMSG_INCOMPATIBLE_PROTO, \
X4TypeDescr::class_.name, laneNames[lane], \
InformalValueTypeName(args.thisv())); \
return false; \
} \
TypedObject &typedObj = args.thisv().toObject().as<TypedObject>(); \
TypeDescr &descr = typedObj.typeDescr(); \
if (descr.kind() != TypeDescr::X4 || \
descr.as<X4TypeDescr>().type() != Type32x4::type) \
{ \
JS_ReportErrorNumber(cx, js_GetErrorMessage, nullptr, JSMSG_INCOMPATIBLE_PROTO, \
X4TypeDescr::class_.name, laneNames[lane], \
InformalValueTypeName(args.thisv())); \
return false; \
} \
Type32x4::Elem *data = reinterpret_cast<Type32x4::Elem *>(typedObj.typedMem()); \
Type32x4::setReturn(args, data[lane]); \
return true; \
static const char *laneNames[] = {"lane 0", "lane 1", "lane 2", "lane3"};
template<typename Type32x4, int lane>
static bool GetX4Lane(JSContext *cx, unsigned argc, Value *vp) {
typedef typename Type32x4::Elem Elem;
CallArgs args = CallArgsFromVp(argc, vp);
if(!args.thisv().isObject() || !args.thisv().toObject().is<TypedObject>()) {
JS_ReportErrorNumber(cx, js_GetErrorMessage, nullptr, JSMSG_INCOMPATIBLE_PROTO,
X4TypeDescr::class_.name, laneNames[lane],
InformalValueTypeName(args.thisv()));
return false;
}
LANE_ACCESSOR(Float32x4, 0);
LANE_ACCESSOR(Float32x4, 1);
LANE_ACCESSOR(Float32x4, 2);
LANE_ACCESSOR(Float32x4, 3);
LANE_ACCESSOR(Int32x4, 0);
LANE_ACCESSOR(Int32x4, 1);
LANE_ACCESSOR(Int32x4, 2);
LANE_ACCESSOR(Int32x4, 3);
TypedObject &typedObj = args.thisv().toObject().as<TypedObject>();
TypeDescr &descr = typedObj.typeDescr();
if (descr.kind() != TypeDescr::X4 || descr.as<X4TypeDescr>().type() != Type32x4::type) {
JS_ReportErrorNumber(cx, js_GetErrorMessage, nullptr, JSMSG_INCOMPATIBLE_PROTO,
X4TypeDescr::class_.name, laneNames[lane],
InformalValueTypeName(args.thisv()));
return false;
}
Elem *data = reinterpret_cast<Elem *>(typedObj.typedMem());
Type32x4::setReturn(args, data[lane]);
return true;
}
#define LANE_ACCESSOR(type, lane) \
static bool type##Lane##lane(JSContext *cx, unsigned argc, Value *vp) { \
return GetX4Lane<type, lane>(cx, argc, vp);\
}
#define FOUR_LANES_ACCESSOR(type) \
LANE_ACCESSOR(type, 0); \
LANE_ACCESSOR(type, 1); \
LANE_ACCESSOR(type, 2); \
LANE_ACCESSOR(type, 3);
FOUR_LANES_ACCESSOR(Int32x4);
FOUR_LANES_ACCESSOR(Float32x4);
#undef FOUR_LANES_ACCESSOR
#undef LANE_ACCESSOR
#define SIGN_MASK(Type32x4) \
bool Type32x4##SignMask(JSContext *cx, unsigned argc, Value *vp) { \
CallArgs args = CallArgsFromVp(argc, vp); \
if(!args.thisv().isObject() || !args.thisv().toObject().is<TypedObject>()) { \
JS_ReportErrorNumber(cx, js_GetErrorMessage, nullptr, JSMSG_INCOMPATIBLE_PROTO, \
X4TypeDescr::class_.name, "signMask", \
InformalValueTypeName(args.thisv())); \
return false; \
} \
TypedObject &typedObj = args.thisv().toObject().as<TypedObject>(); \
TypeDescr &descr = typedObj.typeDescr(); \
if (descr.kind() != TypeDescr::X4 || \
descr.as<X4TypeDescr>().type() != Type32x4::type) \
{ \
JS_ReportErrorNumber(cx, js_GetErrorMessage, nullptr, JSMSG_INCOMPATIBLE_PROTO, \
X4TypeDescr::class_.name, "signMask", \
InformalValueTypeName(args.thisv())); \
return false; \
} \
Type32x4::Elem *data = reinterpret_cast<Type32x4::Elem *>(typedObj.typedMem()); \
int32_t mx = data[0] < 0.0 ? 1 : 0; \
int32_t my = data[1] < 0.0 ? 1 : 0; \
int32_t mz = data[2] < 0.0 ? 1 : 0; \
int32_t mw = data[3] < 0.0 ? 1 : 0; \
int32_t result = mx | my << 1 | mz << 2 | mw << 3; \
args.rval().setInt32(result); \
return true; \
template<typename Type32x4>
static bool SignMask(JSContext *cx, unsigned argc, Value *vp) {
typedef typename Type32x4::Elem Elem;
CallArgs args = CallArgsFromVp(argc, vp);
if(!args.thisv().isObject() || !args.thisv().toObject().is<TypedObject>()) {
JS_ReportErrorNumber(cx, js_GetErrorMessage, nullptr, JSMSG_INCOMPATIBLE_PROTO,
X4TypeDescr::class_.name, "signMask",
InformalValueTypeName(args.thisv()));
return false;
}
TypedObject &typedObj = args.thisv().toObject().as<TypedObject>();
TypeDescr &descr = typedObj.typeDescr();
if (descr.kind() != TypeDescr::X4 || descr.as<X4TypeDescr>().type() != Type32x4::type) {
JS_ReportErrorNumber(cx, js_GetErrorMessage, nullptr, JSMSG_INCOMPATIBLE_PROTO,
X4TypeDescr::class_.name, "signMask",
InformalValueTypeName(args.thisv()));
return false;
}
Elem *data = reinterpret_cast<Elem *>(typedObj.typedMem());
int32_t mx = data[0] < 0.0 ? 1 : 0;
int32_t my = data[1] < 0.0 ? 1 : 0;
int32_t mz = data[2] < 0.0 ? 1 : 0;
int32_t mw = data[3] < 0.0 ? 1 : 0;
int32_t result = mx | my << 1 | mz << 2 | mw << 3;
args.rval().setInt32(result);
return true;
}
#define SIGN_MASK(type) \
static bool type##SignMask(JSContext *cx, unsigned argc, Value *vp) { \
return SignMask<Int32x4>(cx, argc, vp); \
}
SIGN_MASK(Float32x4);
SIGN_MASK(Int32x4);
#undef SIGN_MASK