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// Copyright 2018 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_WASM_BASELINE_LIFTOFF_COMPILER_H_ #define V8_WASM_BASELINE_LIFTOFF_COMPILER_H_ #include "src/wasm/function-compiler.h" namespace v8 { namespace internal { class AccountingAllocator; class Counters; namespace wasm { struct CompilationEnv; struct FunctionBody; struct WasmFeatures; // Note: If this list changes, also the histogram "V8.LiftoffBailoutReasons" // on the chromium side needs to be updated. // Deprecating entries is always fine. Repurposing works if you don't care about // temporary mix-ups. Increasing the number of reasons {kNumBailoutReasons} is // more tricky, and might require introducing a new (updated) histogram. enum LiftoffBailoutReason : int8_t { // Nothing actually failed. kSuccess = 0, // Compilation failed, but not because of Liftoff. kDecodeError = 1, // Liftoff is not implemented on that architecture. kUnsupportedArchitecture = 2, // More complex code would be needed because a CPU feature is not present. kMissingCPUFeature = 3, // Liftoff does not implement a complex (and rare) instruction. kComplexOperation = 4, // Unimplemented proposals: kSimd = 5, kAnyRef = 6, kExceptionHandling = 7, kMultiValue = 8, kTailCall = 9, kAtomics = 10, kBulkMemory = 11, kNonTrappingFloatToInt = 12, // A little gap, for forward compatibility. // Any other reason (use rarely; introduce new reasons if this spikes). kOtherReason = 20, // Marker: kNumBailoutReasons }; WasmCompilationResult ExecuteLiftoffCompilation( AccountingAllocator*, CompilationEnv*, const FunctionBody&, int func_index, Counters*, WasmFeatures* detected_features); } // namespace wasm } // namespace internal } // namespace v8 #endif // V8_WASM_BASELINE_LIFTOFF_COMPILER_H_