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Reduce with stack consumption by 1. (#2430)

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JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2018-07-18 15:52:00 +02:00
committed by Robert Sipka
parent 5f4a220a65
commit 9513f3792d
3 changed files with 21 additions and 14 deletions
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jerry-core/vm/vm.c
+3 -5
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@@ -2314,14 +2314,12 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
object_p = ecma_get_object_from_value (result);
with_env_p = ecma_create_object_lex_env (frame_ctx_p->lex_env_p, object_p);
ecma_deref_object (object_p);
VM_PLUS_EQUAL_U16 (frame_ctx_p->context_depth, PARSER_WITH_CONTEXT_STACK_ALLOCATION);
stack_top_p += PARSER_WITH_CONTEXT_STACK_ALLOCATION;
stack_top_p[-1] = VM_CREATE_CONTEXT (VM_CONTEXT_WITH, branch_offset);
stack_top_p[-2] = ecma_make_object_value (frame_ctx_p->lex_env_p);
frame_ctx_p->lex_env_p = with_env_p;
continue;
@@ -2468,8 +2466,9 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
if (VM_GET_CONTEXT_TYPE (stack_top_p[-1]) == VM_CONTEXT_CATCH)
{
ecma_deref_object (frame_ctx_p->lex_env_p);
frame_ctx_p->lex_env_p = ecma_get_object_from_value (stack_top_p[-2]);
ecma_object_t *lex_env_p = frame_ctx_p->lex_env_p;
frame_ctx_p->lex_env_p = ecma_get_lex_env_outer_reference (lex_env_p);
ecma_deref_object (lex_env_p);
}
stack_top_p[-1] = (ecma_value_t) VM_CREATE_CONTEXT (VM_CONTEXT_FINALLY_JUMP, branch_offset);
@@ -2903,7 +2902,6 @@ error:
ecma_string_t *catch_name_p = ecma_get_string_from_value (literal_start_p[literal_index]);
ecma_op_create_mutable_binding (catch_env_p, catch_name_p, false);
stack_top_p[-2 - 1] = ecma_make_object_value (frame_ctx_p->lex_env_p);
frame_ctx_p->lex_env_p = catch_env_p;
}
else