Mypal/js/src/wasm/WasmBinaryIterator.cpp

499 lines
14 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sts=4 et sw=4 tw=99:
*
* Copyright 2015 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "wasm/WasmBinaryIterator.h"
using namespace js;
using namespace js::jit;
using namespace js::wasm;
#ifdef DEBUG
OpKind
wasm::Classify(Op op)
{
switch (op) {
case Op::Block:
return OpKind::Block;
case Op::Loop:
return OpKind::Loop;
case Op::Unreachable:
return OpKind::Unreachable;
case Op::Drop:
return OpKind::Drop;
case Op::I32Const:
return OpKind::I32;
case Op::I64Const:
return OpKind::I64;
case Op::F32Const:
return OpKind::F32;
case Op::F64Const:
return OpKind::F64;
case Op::I8x16Const:
return OpKind::I8x16;
case Op::I16x8Const:
return OpKind::I16x8;
case Op::I32x4Const:
return OpKind::I32x4;
case Op::B8x16Const:
return OpKind::B8x16;
case Op::B16x8Const:
return OpKind::B16x8;
case Op::B32x4Const:
return OpKind::B32x4;
case Op::F32x4Const:
return OpKind::F32x4;
case Op::Br:
return OpKind::Br;
case Op::BrIf:
return OpKind::BrIf;
case Op::BrTable:
return OpKind::BrTable;
case Op::Nop:
return OpKind::Nop;
case Op::I32Clz:
case Op::I32Ctz:
case Op::I32Popcnt:
case Op::I64Clz:
case Op::I64Ctz:
case Op::I64Popcnt:
case Op::F32Abs:
case Op::F32Neg:
case Op::F32Ceil:
case Op::F32Floor:
case Op::F32Trunc:
case Op::F32Nearest:
case Op::F32Sqrt:
case Op::F64Abs:
case Op::F64Neg:
case Op::F64Ceil:
case Op::F64Floor:
case Op::F64Trunc:
case Op::F64Nearest:
case Op::F64Sqrt:
case Op::I32BitNot:
case Op::I32Abs:
case Op::F64Sin:
case Op::F64Cos:
case Op::F64Tan:
case Op::F64Asin:
case Op::F64Acos:
case Op::F64Atan:
case Op::F64Exp:
case Op::F64Log:
case Op::I32Neg:
case Op::I8x16neg:
case Op::I8x16not:
case Op::I16x8neg:
case Op::I16x8not:
case Op::I32x4neg:
case Op::I32x4not:
case Op::F32x4neg:
case Op::F32x4sqrt:
case Op::F32x4abs:
case Op::F32x4reciprocalApproximation:
case Op::F32x4reciprocalSqrtApproximation:
case Op::B8x16not:
case Op::B16x8not:
case Op::B32x4not:
return OpKind::Unary;
case Op::I32Add:
case Op::I32Sub:
case Op::I32Mul:
case Op::I32DivS:
case Op::I32DivU:
case Op::I32RemS:
case Op::I32RemU:
case Op::I32And:
case Op::I32Or:
case Op::I32Xor:
case Op::I32Shl:
case Op::I32ShrS:
case Op::I32ShrU:
case Op::I32Rotl:
case Op::I32Rotr:
case Op::I64Add:
case Op::I64Sub:
case Op::I64Mul:
case Op::I64DivS:
case Op::I64DivU:
case Op::I64RemS:
case Op::I64RemU:
case Op::I64And:
case Op::I64Or:
case Op::I64Xor:
case Op::I64Shl:
case Op::I64ShrS:
case Op::I64ShrU:
case Op::I64Rotl:
case Op::I64Rotr:
case Op::F32Add:
case Op::F32Sub:
case Op::F32Mul:
case Op::F32Div:
case Op::F32Min:
case Op::F32Max:
case Op::F32CopySign:
case Op::F64Add:
case Op::F64Sub:
case Op::F64Mul:
case Op::F64Div:
case Op::F64Min:
case Op::F64Max:
case Op::F64CopySign:
case Op::I32Min:
case Op::I32Max:
case Op::F64Mod:
case Op::F64Pow:
case Op::F64Atan2:
case Op::I8x16add:
case Op::I8x16sub:
case Op::I8x16mul:
case Op::I8x16addSaturate:
case Op::I8x16subSaturate:
case Op::I8x16addSaturateU:
case Op::I8x16subSaturateU:
case Op::I8x16and:
case Op::I8x16or:
case Op::I8x16xor:
case Op::I16x8add:
case Op::I16x8sub:
case Op::I16x8mul:
case Op::I16x8addSaturate:
case Op::I16x8subSaturate:
case Op::I16x8addSaturateU:
case Op::I16x8subSaturateU:
case Op::I16x8and:
case Op::I16x8or:
case Op::I16x8xor:
case Op::I32x4add:
case Op::I32x4sub:
case Op::I32x4mul:
case Op::I32x4and:
case Op::I32x4or:
case Op::I32x4xor:
case Op::F32x4add:
case Op::F32x4sub:
case Op::F32x4mul:
case Op::F32x4div:
case Op::F32x4min:
case Op::F32x4max:
case Op::F32x4minNum:
case Op::F32x4maxNum:
case Op::B8x16and:
case Op::B8x16or:
case Op::B8x16xor:
case Op::B16x8and:
case Op::B16x8or:
case Op::B16x8xor:
case Op::B32x4and:
case Op::B32x4or:
case Op::B32x4xor:
return OpKind::Binary;
case Op::I32Eq:
case Op::I32Ne:
case Op::I32LtS:
case Op::I32LtU:
case Op::I32LeS:
case Op::I32LeU:
case Op::I32GtS:
case Op::I32GtU:
case Op::I32GeS:
case Op::I32GeU:
case Op::I64Eq:
case Op::I64Ne:
case Op::I64LtS:
case Op::I64LtU:
case Op::I64LeS:
case Op::I64LeU:
case Op::I64GtS:
case Op::I64GtU:
case Op::I64GeS:
case Op::I64GeU:
case Op::F32Eq:
case Op::F32Ne:
case Op::F32Lt:
case Op::F32Le:
case Op::F32Gt:
case Op::F32Ge:
case Op::F64Eq:
case Op::F64Ne:
case Op::F64Lt:
case Op::F64Le:
case Op::F64Gt:
case Op::F64Ge:
return OpKind::Comparison;
case Op::I32Eqz:
case Op::I32WrapI64:
case Op::I32TruncSF32:
case Op::I32TruncUF32:
case Op::I32ReinterpretF32:
case Op::I32TruncSF64:
case Op::I32TruncUF64:
case Op::I64ExtendSI32:
case Op::I64ExtendUI32:
case Op::I64TruncSF32:
case Op::I64TruncUF32:
case Op::I64TruncSF64:
case Op::I64TruncUF64:
case Op::I64ReinterpretF64:
case Op::I64Eqz:
case Op::F32ConvertSI32:
case Op::F32ConvertUI32:
case Op::F32ReinterpretI32:
case Op::F32ConvertSI64:
case Op::F32ConvertUI64:
case Op::F32DemoteF64:
case Op::F64ConvertSI32:
case Op::F64ConvertUI32:
case Op::F64ConvertSI64:
case Op::F64ConvertUI64:
case Op::F64ReinterpretI64:
case Op::F64PromoteF32:
case Op::I32x4fromFloat32x4:
case Op::I32x4fromFloat32x4U:
case Op::F32x4fromInt32x4:
case Op::F32x4fromUint32x4:
case Op::I32x4fromFloat32x4Bits:
case Op::I32x4fromInt8x16Bits:
case Op::I32x4fromInt16x8Bits:
case Op::I16x8fromInt8x16Bits:
case Op::I16x8fromInt32x4Bits:
case Op::I16x8fromFloat32x4Bits:
case Op::I8x16fromInt16x8Bits:
case Op::I8x16fromInt32x4Bits:
case Op::I8x16fromFloat32x4Bits:
case Op::F32x4fromInt8x16Bits:
case Op::F32x4fromInt16x8Bits:
case Op::F32x4fromInt32x4Bits:
return OpKind::Conversion;
case Op::I32Load8S:
case Op::I32Load8U:
case Op::I32Load16S:
case Op::I32Load16U:
case Op::I64Load8S:
case Op::I64Load8U:
case Op::I64Load16S:
case Op::I64Load16U:
case Op::I64Load32S:
case Op::I64Load32U:
case Op::I32Load:
case Op::I64Load:
case Op::F32Load:
case Op::F64Load:
case Op::I8x16load:
case Op::I16x8load:
case Op::I32x4load:
case Op::I32x4load1:
case Op::I32x4load2:
case Op::I32x4load3:
case Op::F32x4load:
case Op::F32x4load1:
case Op::F32x4load2:
case Op::F32x4load3:
return OpKind::Load;
case Op::I32Store8:
case Op::I32Store16:
case Op::I64Store8:
case Op::I64Store16:
case Op::I64Store32:
case Op::I32Store:
case Op::I64Store:
case Op::F32Store:
case Op::F64Store:
return OpKind::Store;
case Op::I32TeeStore8:
case Op::I32TeeStore16:
case Op::I64TeeStore8:
case Op::I64TeeStore16:
case Op::I64TeeStore32:
case Op::I32TeeStore:
case Op::I64TeeStore:
case Op::F32TeeStore:
case Op::F64TeeStore:
case Op::F32TeeStoreF64:
case Op::F64TeeStoreF32:
case Op::I8x16store:
case Op::I16x8store:
case Op::I32x4store:
case Op::I32x4store1:
case Op::I32x4store2:
case Op::I32x4store3:
case Op::F32x4store:
case Op::F32x4store1:
case Op::F32x4store2:
case Op::F32x4store3:
return OpKind::TeeStore;
case Op::Select:
return OpKind::Select;
case Op::GetLocal:
return OpKind::GetLocal;
case Op::SetLocal:
return OpKind::SetLocal;
case Op::TeeLocal:
return OpKind::TeeLocal;
case Op::GetGlobal:
return OpKind::GetGlobal;
case Op::SetGlobal:
return OpKind::SetGlobal;
case Op::TeeGlobal:
return OpKind::TeeGlobal;
case Op::Call:
return OpKind::Call;
case Op::CallIndirect:
return OpKind::CallIndirect;
case Op::OldCallIndirect:
return OpKind::OldCallIndirect;
case Op::Return:
case Op::Limit:
// Accept Limit, for use in decoding the end of a function after the body.
return OpKind::Return;
case Op::If:
return OpKind::If;
case Op::Else:
return OpKind::Else;
case Op::End:
return OpKind::End;
case Op::I32AtomicsLoad:
return OpKind::AtomicLoad;
case Op::I32AtomicsStore:
return OpKind::AtomicStore;
case Op::I32AtomicsBinOp:
return OpKind::AtomicBinOp;
case Op::I32AtomicsCompareExchange:
return OpKind::AtomicCompareExchange;
case Op::I32AtomicsExchange:
return OpKind::AtomicExchange;
case Op::I8x16extractLane:
case Op::I8x16extractLaneU:
case Op::I16x8extractLane:
case Op::I16x8extractLaneU:
case Op::I32x4extractLane:
case Op::F32x4extractLane:
case Op::B8x16extractLane:
case Op::B16x8extractLane:
case Op::B32x4extractLane:
return OpKind::ExtractLane;
case Op::I8x16replaceLane:
case Op::I16x8replaceLane:
case Op::I32x4replaceLane:
case Op::F32x4replaceLane:
case Op::B8x16replaceLane:
case Op::B16x8replaceLane:
case Op::B32x4replaceLane:
return OpKind::ReplaceLane;
case Op::I8x16swizzle:
case Op::I16x8swizzle:
case Op::I32x4swizzle:
case Op::F32x4swizzle:
return OpKind::Swizzle;
case Op::I8x16shuffle:
case Op::I16x8shuffle:
case Op::I32x4shuffle:
case Op::F32x4shuffle:
return OpKind::Shuffle;
case Op::I16x8check:
case Op::I16x8splat:
case Op::I32x4check:
case Op::I32x4splat:
case Op::I8x16check:
case Op::I8x16splat:
case Op::F32x4check:
case Op::F32x4splat:
case Op::B16x8check:
case Op::B16x8splat:
case Op::B32x4check:
case Op::B32x4splat:
case Op::B8x16check:
case Op::B8x16splat:
return OpKind::Splat;
case Op::I8x16select:
case Op::I16x8select:
case Op::I32x4select:
case Op::F32x4select:
return OpKind::SimdSelect;
case Op::I8x16Constructor:
case Op::I16x8Constructor:
case Op::I32x4Constructor:
case Op::F32x4Constructor:
case Op::B8x16Constructor:
case Op::B16x8Constructor:
case Op::B32x4Constructor:
return OpKind::SimdCtor;
case Op::B8x16allTrue:
case Op::B8x16anyTrue:
case Op::B16x8allTrue:
case Op::B16x8anyTrue:
case Op::B32x4allTrue:
case Op::B32x4anyTrue:
return OpKind::SimdBooleanReduction;
case Op::I8x16shiftLeftByScalar:
case Op::I8x16shiftRightByScalar:
case Op::I8x16shiftRightByScalarU:
case Op::I16x8shiftLeftByScalar:
case Op::I16x8shiftRightByScalar:
case Op::I16x8shiftRightByScalarU:
case Op::I32x4shiftLeftByScalar:
case Op::I32x4shiftRightByScalar:
case Op::I32x4shiftRightByScalarU:
return OpKind::SimdShiftByScalar;
case Op::I8x16equal:
case Op::I8x16notEqual:
case Op::I8x16greaterThan:
case Op::I8x16greaterThanOrEqual:
case Op::I8x16lessThan:
case Op::I8x16lessThanOrEqual:
case Op::I8x16greaterThanU:
case Op::I8x16greaterThanOrEqualU:
case Op::I8x16lessThanU:
case Op::I8x16lessThanOrEqualU:
case Op::I16x8equal:
case Op::I16x8notEqual:
case Op::I16x8greaterThan:
case Op::I16x8greaterThanOrEqual:
case Op::I16x8lessThan:
case Op::I16x8lessThanOrEqual:
case Op::I16x8greaterThanU:
case Op::I16x8greaterThanOrEqualU:
case Op::I16x8lessThanU:
case Op::I16x8lessThanOrEqualU:
case Op::I32x4equal:
case Op::I32x4notEqual:
case Op::I32x4greaterThan:
case Op::I32x4greaterThanOrEqual:
case Op::I32x4lessThan:
case Op::I32x4lessThanOrEqual:
case Op::I32x4greaterThanU:
case Op::I32x4greaterThanOrEqualU:
case Op::I32x4lessThanU:
case Op::I32x4lessThanOrEqualU:
case Op::F32x4equal:
case Op::F32x4notEqual:
case Op::F32x4greaterThan:
case Op::F32x4greaterThanOrEqual:
case Op::F32x4lessThan:
case Op::F32x4lessThanOrEqual:
return OpKind::SimdComparison;
case Op::CurrentMemory:
return OpKind::CurrentMemory;
case Op::GrowMemory:
return OpKind::GrowMemory;
}
MOZ_MAKE_COMPILER_ASSUME_IS_UNREACHABLE("unimplemented opcode");
}
#endif