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Merge base resolve + get/put operations for lexical environments to increase performance (#2798)

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JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-03-21 09:45:56 +01:00
committed by Zoltan Herczeg
parent 4123f35a3b
commit 7b23ecc272
3 changed files with 142 additions and 87 deletions
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jerry-core/vm/vm.c
+12 -23
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@@ -851,9 +851,7 @@ vm_init_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
vm_var_decl (frame_ctx_p, name_p);
ecma_object_t *ref_base_lex_env_p = ecma_op_resolve_reference_base (frame_ctx_p->lex_env_p, name_p);
ecma_value_t put_value_result = ecma_op_put_value_lex_env_base (ref_base_lex_env_p,
ecma_value_t put_value_result = ecma_op_put_value_lex_env_base (frame_ctx_p->lex_env_p,
name_p,
is_strict,
lit_value);
@@ -1679,12 +1677,10 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
ecma_string_t *name_p = ecma_get_string_from_value (literal_start_p[literal_index]);
ecma_object_t *ref_base_lex_env_p;
ref_base_lex_env_p = ecma_op_resolve_reference_base (frame_ctx_p->lex_env_p,
name_p);
result = ecma_op_get_value_lex_env_base (ref_base_lex_env_p,
name_p,
is_strict);
result = ecma_op_get_value_lex_env_base (frame_ctx_p->lex_env_p,
&ref_base_lex_env_p,
name_p);
if (ECMA_IS_VALUE_ERROR (result))
{
@@ -2152,22 +2148,18 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
{
ecma_string_t *name_p = ecma_get_string_from_value (literal_start_p[literal_index]);
ecma_object_t *ref_base_lex_env_p = ecma_op_resolve_reference_base (frame_ctx_p->lex_env_p,
name_p);
ecma_object_t *ref_base_lex_env_p;
result = ecma_op_get_value_lex_env_base (frame_ctx_p->lex_env_p,
&ref_base_lex_env_p,
name_p);
if (ref_base_lex_env_p == NULL)
{
ecma_free_value (JERRY_CONTEXT (error_value));
result = ECMA_VALUE_UNDEFINED;
}
else
{
result = ecma_op_get_value_lex_env_base (ref_base_lex_env_p,
name_p,
is_strict);
}
if (ECMA_IS_VALUE_ERROR (result))
else if (ECMA_IS_VALUE_ERROR (result))
{
goto error;
}
@@ -3179,10 +3171,7 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
{
ecma_string_t *var_name_str_p = ecma_get_string_from_value (literal_start_p[literal_index]);
ecma_object_t *ref_base_lex_env_p = ecma_op_resolve_reference_base (frame_ctx_p->lex_env_p,
var_name_str_p);
ecma_value_t put_value_result = ecma_op_put_value_lex_env_base (ref_base_lex_env_p,
ecma_value_t put_value_result = ecma_op_put_value_lex_env_base (frame_ctx_p->lex_env_p,
var_name_str_p,
is_strict,
result);