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Refine interpreter to improve performance (#162)

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wenyongh 2020-02-10 15:42:37 +08:00 committed by GitHub
parent 256ecdfdf9
commit b5cbc02e90
1 changed files with 11 additions and 8 deletions
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19
core/iwasm/interpreter/wasm_interp.c
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@ -802,11 +802,12 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
WASMInterpFrame *prev_frame) WASMInterpFrame *prev_frame)
{ {
WASMMemoryInstance *memory = module->default_memory; WASMMemoryInstance *memory = module->default_memory;
uint32 memory_data_size = memory uint32 memory_data_size = memory ? (module->module->possible_memory_grow
? memory->num_bytes_per_page * memory->cur_page_count : 0; ? DEFAULT_NUM_BYTES_PER_PAGE * memory->cur_page_count
: memory->num_bytes_per_page * memory->cur_page_count)
: 0;
uint32 heap_base_offset = memory ? (uint32)memory->heap_base_offset : 0; uint32 heap_base_offset = memory ? (uint32)memory->heap_base_offset : 0;
uint32 heap_data_size = memory uint32 heap_data_size = memory ? (uint32)(memory->heap_data_end - memory->heap_data) : 0;
? (uint32)(memory->heap_data_end - memory->heap_data) : 0;
WASMTableInstance *table = module->default_table; WASMTableInstance *table = module->default_table;
WASMGlobalInstance *globals = module->globals; WASMGlobalInstance *globals = module->globals;
uint8 *global_data = memory ? memory->global_data : NULL; uint8 *global_data = memory ? memory->global_data : NULL;
@ -862,7 +863,7 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
HANDLE_OP (WASM_OP_BLOCK): HANDLE_OP (WASM_OP_BLOCK):
block_ret_type = *frame_ip++; block_ret_type = *frame_ip++;
cache_index = ((uintptr_t)frame_ip) % block_addr_cache_size; cache_index = ((uintptr_t)frame_ip) & (uintptr_t)(block_addr_cache_size - 1);
if (block_addr_cache[cache_index].frame_ip == frame_ip) { if (block_addr_cache[cache_index].frame_ip == frame_ip) {
end_addr = block_addr_cache[cache_index].end_addr; end_addr = block_addr_cache[cache_index].end_addr;
} }
@ -885,7 +886,7 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
HANDLE_OP (WASM_OP_LOOP): HANDLE_OP (WASM_OP_LOOP):
block_ret_type = *frame_ip++; block_ret_type = *frame_ip++;
cache_index = ((uintptr_t)frame_ip) % block_addr_cache_size; cache_index = ((uintptr_t)frame_ip) & (uintptr_t)(block_addr_cache_size - 1);
if (block_addr_cache[cache_index].frame_ip == frame_ip) { if (block_addr_cache[cache_index].frame_ip == frame_ip) {
end_addr = block_addr_cache[cache_index].end_addr; end_addr = block_addr_cache[cache_index].end_addr;
} }
@ -908,7 +909,7 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
HANDLE_OP (WASM_OP_IF): HANDLE_OP (WASM_OP_IF):
block_ret_type = *frame_ip++; block_ret_type = *frame_ip++;
cache_index = ((uintptr_t)frame_ip) % block_addr_cache_size; cache_index = ((uintptr_t)frame_ip) & (uintptr_t)(block_addr_cache_size - 1);
if (block_addr_cache[cache_index].frame_ip == frame_ip) { if (block_addr_cache[cache_index].frame_ip == frame_ip) {
else_addr = block_addr_cache[cache_index].else_addr; else_addr = block_addr_cache[cache_index].else_addr;
end_addr = block_addr_cache[cache_index].end_addr; end_addr = block_addr_cache[cache_index].end_addr;
@ -1542,7 +1543,9 @@ wasm_interp_call_func_bytecode(WASMModuleInstance *module,
PUSH_I32(prev_page_count); PUSH_I32(prev_page_count);
/* update the memory instance ptr */ /* update the memory instance ptr */
memory = module->default_memory; memory = module->default_memory;
memory_data_size = memory->num_bytes_per_page * memory->cur_page_count; memory_data_size = module->module->possible_memory_grow
? DEFAULT_NUM_BYTES_PER_PAGE * memory->cur_page_count
: memory->num_bytes_per_page * memory->cur_page_count;
global_data = memory->global_data; global_data = memory->global_data;
} }