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Add more fast jit fixed virtual regs (#1409)

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Add fast jit fixed virtual register import_func_ptrs_reg and func_type_indexes_reg
for the preparation of further optimizations.
This commit is contained in:
Wenyong Huang
2022-08-24 14:05:51 +08:00
committed by GitHub
parent f5283399ec
commit 08eeeb748c
5 changed files with 99 additions and 0 deletions
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50
core/iwasm/interpreter/wasm_runtime.c
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@ -1262,6 +1262,47 @@ check_linked_symbol(WASMModuleInstance *module_inst, char *error_buf,
return true;
}
#if WASM_ENABLE_FAST_JIT != 0
static uint32
get_smallest_type_idx(WASMModule *module, WASMType *func_type)
{
uint32 i;
for (i = 0; i < module->type_count; i++) {
if (func_type == module->types[i])
return i;
}
bh_assert(0);
return -1;
}
static bool
init_func_type_indexes(WASMModuleInstance *module_inst, char *error_buf,
uint32 error_buf_size)
{
uint32 i;
uint64 total_size = (uint64)sizeof(uint32) * module_inst->function_count;
/* Allocate memory */
if (!(module_inst->func_type_indexes =
runtime_malloc(total_size, error_buf, error_buf_size))) {
return false;
}
for (i = 0; i < module_inst->function_count; i++) {
WASMFunctionInstance *func_inst = module_inst->functions + i;
WASMType *func_type = func_inst->is_import_func
? func_inst->u.func_import->func_type
: func_inst->u.func->func_type;
module_inst->func_type_indexes[i] =
get_smallest_type_idx(module_inst->module, func_type);
}
return true;
}
#endif
/**
* Instantiate module
*/
@ -1384,6 +1425,10 @@ wasm_instantiate(WASMModule *module, bool is_sub_inst, uint32 stack_size,
&& !(module_inst->export_globals = export_globals_instantiate(
module, module_inst, module_inst->export_glob_count,
error_buf, error_buf_size)))
#endif
#if WASM_ENABLE_FAST_JIT != 0
|| (module_inst->function_count > 0
&& !init_func_type_indexes(module_inst, error_buf, error_buf_size))
#endif
) {
goto fail;
@ -1712,6 +1757,11 @@ wasm_deinstantiate(WASMModuleInstance *module_inst, bool is_sub_inst)
if (!module_inst)
return;
#if WASM_ENABLE_FAST_JIT != 0
if (module_inst->func_type_indexes)
wasm_runtime_free(module_inst->func_type_indexes);
#endif
#if WASM_ENABLE_MULTI_MODULE != 0
sub_module_deinstantiate(module_inst);
#endif