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Optimize object literal byte-code - store property names as literal arguments, instead passing them through register variables.

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JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
This commit is contained in:
Ruben Ayrapetyan
2015-11-01 19:22:59 +03:00
parent 1fe2817457
commit 911163e787
4 changed files with 41 additions and 55 deletions
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jerry-core/vm/opcodes.cpp
+8 -13
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@@ -1028,8 +1028,7 @@ opfunc_obj_decl (vm_instr_t instr, /**< instruction */
|| type == OPCODE_META_TYPE_VARG_PROP_GETTER
|| type == OPCODE_META_TYPE_VARG_PROP_SETTER);
const vm_idx_t prop_name_var_idx = next_opcode.data.meta.data_1;
JERRY_ASSERT (vm_is_reg_variable (prop_name_var_idx));
const vm_idx_t prop_name_idx = next_opcode.data.meta.data_1;
const vm_idx_t value_for_prop_desc_var_idx = next_opcode.data.meta.data_2;
@@ -1038,18 +1037,15 @@ opfunc_obj_decl (vm_instr_t instr, /**< instruction */
value_for_prop_desc_var_idx,
false),
ret_value);
ECMA_TRY_CATCH (prop_name_value,
get_variable_value (frame_ctx_p,
prop_name_var_idx,
false),
ret_value);
ECMA_TRY_CATCH (prop_name_str_value,
ecma_op_to_string (prop_name_value),
ret_value);
lit_cpointer_t prop_name_lit_cp = serializer_get_literal_cp_by_uid (prop_name_idx,
frame_ctx_p->bytecode_header_p,
frame_ctx_p->pos);
JERRY_ASSERT (prop_name_lit_cp.packed_value != MEM_CP_NULL);
ecma_string_t *prop_name_string_p = ecma_new_ecma_string_from_lit_cp (prop_name_lit_cp);
bool is_throw_syntax_error = false;
ecma_string_t *prop_name_string_p = ecma_get_string_from_value (prop_name_str_value);
ecma_property_t *previous_p = ecma_op_object_get_own_property (obj_p, prop_name_string_p);
const bool is_previous_undefined = (previous_p == NULL);
@@ -1117,8 +1113,7 @@ opfunc_obj_decl (vm_instr_t instr, /**< instruction */
JERRY_ASSERT (ecma_is_completion_value_normal_true (define_prop_completion)
|| ecma_is_completion_value_normal_false (define_prop_completion));
ECMA_FINALIZE (prop_name_str_value);
ECMA_FINALIZE (prop_name_value);
ecma_deref_ecma_string (prop_name_string_p);
ECMA_FINALIZE (value_for_prop_desc);