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// Copyright 2021 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.
#ifndef V8_DEOPTIMIZER_TRANSLATION_OPCODE_H_
#define V8_DEOPTIMIZER_TRANSLATION_OPCODE_H_
#include "src/base/macros.h"
namespace v8 {
namespace internal {
// V(name, operand_count)
#define TRANSLATION_JS_FRAME_OPCODE_LIST(V) \
V(INTERPRETED_FRAME_WITH_RETURN, 5) \
V(INTERPRETED_FRAME_WITHOUT_RETURN, 3) \
V(JAVA_SCRIPT_BUILTIN_CONTINUATION_FRAME, 3) \
V(JAVA_SCRIPT_BUILTIN_CONTINUATION_WITH_CATCH_FRAME, 3)
#define TRANSLATION_FRAME_OPCODE_LIST(V) \
V(CONSTRUCT_CREATE_STUB_FRAME, 2) \
V(CONSTRUCT_INVOKE_STUB_FRAME, 1) \
V(BUILTIN_CONTINUATION_FRAME, 3) \
IF_WASM(V, JS_TO_WASM_BUILTIN_CONTINUATION_FRAME, 4) \
IF_WASM(V, WASM_INLINED_INTO_JS_FRAME, 3) \
IF_WASM(V, LIFTOFF_FRAME, 3) \
V(INLINED_EXTRA_ARGUMENTS, 2)
#define TRANSLATION_OPCODE_LIST(V) \
TRANSLATION_JS_FRAME_OPCODE_LIST(V) \
TRANSLATION_FRAME_OPCODE_LIST(V) \
V(ARGUMENTS_ELEMENTS, 1) \
V(ARGUMENTS_LENGTH, 0) \
V(REST_LENGTH, 0) \
V(BEGIN_WITHOUT_FEEDBACK, 3) \
V(BEGIN_WITH_FEEDBACK, 3) \
V(BOOL_REGISTER, 1) \
V(BOOL_STACK_SLOT, 1) \
V(CAPTURED_OBJECT, 1) \
V(DOUBLE_REGISTER, 1) \
V(DOUBLE_STACK_SLOT, 1) \
V(SIMD128_STACK_SLOT, 1) \
V(HOLEY_DOUBLE_REGISTER, 1) \
V(HOLEY_DOUBLE_STACK_SLOT, 1) \
V(SIMD128_REGISTER, 1) \
V(DUPLICATED_OBJECT, 1) \
V(FLOAT_REGISTER, 1) \
V(FLOAT_STACK_SLOT, 1) \
V(INT32_REGISTER, 1) \
V(INT32_STACK_SLOT, 1) \
V(INT64_REGISTER, 1) \
V(INT64_STACK_SLOT, 1) \
V(SIGNED_BIGINT64_REGISTER, 1) \
V(SIGNED_BIGINT64_STACK_SLOT, 1) \
V(UNSIGNED_BIGINT64_REGISTER, 1) \
V(UNSIGNED_BIGINT64_STACK_SLOT, 1) \
V(OPTIMIZED_OUT, 0) \
V(LITERAL, 1) \
V(REGISTER, 1) \
V(TAGGED_STACK_SLOT, 1) \
V(UINT32_REGISTER, 1) \
V(UINT32_STACK_SLOT, 1) \
V(UPDATE_FEEDBACK, 2) \
V(MATCH_PREVIOUS_TRANSLATION, 1)
enum class TranslationOpcode {
#define CASE(name, ...) name,
TRANSLATION_OPCODE_LIST(CASE)
#undef CASE
};
#define PLUS_ONE(...) +1
static constexpr int kNumTranslationOpcodes =
0 TRANSLATION_OPCODE_LIST(PLUS_ONE);
static constexpr int kNumTranslationJsFrameOpcodes =
0 TRANSLATION_JS_FRAME_OPCODE_LIST(PLUS_ONE);
static constexpr int kNumTranslationFrameOpcodes =
kNumTranslationJsFrameOpcodes TRANSLATION_FRAME_OPCODE_LIST(PLUS_ONE);
#undef PLUS_ONE
inline int TranslationOpcodeOperandCount(TranslationOpcode o) {
#define CASE(name, operand_count) operand_count,
static const int counts[] = {TRANSLATION_OPCODE_LIST(CASE)};
#undef CASE
return counts[static_cast<int>(o)];
}
constexpr int kMaxTranslationOperandCount = 5;
#define CASE(name, operand_count) \
static_assert(operand_count <= kMaxTranslationOperandCount);
TRANSLATION_OPCODE_LIST(CASE)
#undef CASE
inline bool TranslationOpcodeIsBegin(TranslationOpcode o) {
return o == TranslationOpcode::BEGIN_WITH_FEEDBACK ||
o == TranslationOpcode::BEGIN_WITHOUT_FEEDBACK;
}
inline bool IsTranslationFrameOpcode(TranslationOpcode o) {
static_assert(
0 == static_cast<int>(TranslationOpcode::INTERPRETED_FRAME_WITH_RETURN));
static_assert(kNumTranslationJsFrameOpcodes < kNumTranslationFrameOpcodes);
return static_cast<int>(o) < kNumTranslationFrameOpcodes;
}
inline bool IsTranslationJsFrameOpcode(TranslationOpcode o) {
static_assert(
kNumTranslationJsFrameOpcodes ==
static_cast<int>(TranslationOpcode::CONSTRUCT_CREATE_STUB_FRAME));
return static_cast<int>(o) < kNumTranslationJsFrameOpcodes;
}
inline bool IsTranslationInterpreterFrameOpcode(TranslationOpcode o) {
return o == TranslationOpcode::INTERPRETED_FRAME_WITH_RETURN ||
o == TranslationOpcode::INTERPRETED_FRAME_WITHOUT_RETURN;
}
inline std::ostream& operator<<(std::ostream& out, TranslationOpcode opcode) {
switch (opcode) {
#define CASE(name, _) \
case TranslationOpcode::name: \
out << #name; \
break;
TRANSLATION_OPCODE_LIST(CASE)
#undef CASE
default:
out << "BROKEN_OPCODE_" << static_cast<uint8_t>(opcode);
break;
}
return out;
}
#undef TRANSLATION_OPCODE_LIST
#undef TRANSLATION_FRAME_OPCODE_LIST
} // namespace internal
} // namespace v8
#endif // V8_DEOPTIMIZER_TRANSLATION_OPCODE_H_