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Implement Multi-tier JIT (#1774)

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Implement 2-level Multi-tier JIT engine: tier-up from Fast JIT to LLVM JIT to
get quick cold startup by Fast JIT and better performance by gradually
switching to LLVM JIT when the LLVM JIT functions are compiled by the
backend threads.

Refer to:
https://github.com/bytecodealliance/wasm-micro-runtime/issues/1302
This commit is contained in:
Wenyong Huang
2022-12-19 11:24:46 +08:00
parent 7db49db777
commit e8ce4c542e
21 changed files with 2180 additions and 338 deletions
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21
core/iwasm/fast-jit/jit_compiler.h
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@ -18,6 +18,9 @@ typedef struct JitGlobals {
/* Compiler pass sequence, the last element must be 0 */
const uint8 *passes;
char *return_to_interp_from_jitted;
#if WASM_ENABLE_LAZY_JIT != 0
char *compile_fast_jit_and_then_call;
#endif
} JitGlobals;
/**
@ -87,8 +90,24 @@ jit_compiler_compile(WASMModule *module, uint32 func_idx);
bool
jit_compiler_compile_all(WASMModule *module);
bool
jit_compiler_is_compiled(const WASMModule *module, uint32 func_idx);
#if WASM_ENABLE_LAZY_JIT != 0 && WASM_ENABLE_JIT != 0
bool
jit_compiler_set_call_to_llvm_jit(WASMModule *module, uint32 func_idx);
bool
jit_compiler_set_call_to_fast_jit(WASMModule *module, uint32 func_idx);
void
jit_compiler_set_llvm_jit_func_ptr(WASMModule *module, uint32 func_idx,
void *func_ptr);
#endif
int
jit_interp_switch_to_jitted(void *self, JitInterpSwitchInfo *info, void *pc);
jit_interp_switch_to_jitted(void *self, JitInterpSwitchInfo *info,
uint32 func_idx, void *pc);
/*
* Pass declarations: