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Remove of 'this_binding' opcode.

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- introduce 'const' register type;
 - adding constant register for reading ThisBinding value of active interpreter context.

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
This commit is contained in:
Ruben Ayrapetyan
2015-10-06 11:52:14 +03:00
parent f2c3e59bbe
commit 1e2dfc73f5
9 changed files with 10 additions and 47 deletions
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jerry-core/parser/js/opcodes-dumper.cpp
+1 -9
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@@ -1182,18 +1182,10 @@ rewrite_function_end ()
STACK_DROP (function_ends, 1);
}
void
dump_this (jsp_operand_t op)
{
dump_single_address (VM_OP_THIS_BINDING, op);
}
jsp_operand_t
dump_this_res (void)
{
const jsp_operand_t res = tmp_operand ();
dump_this (res);
return res;
return jsp_operand_t::make_reg_operand (VM_REG_SPECIAL_THIS_BINDING);
}
void
jerry-core/parser/js/opcodes-dumper.h
-1
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@@ -348,7 +348,6 @@ void dump_prop_setter (jsp_operand_t, jsp_operand_t, jsp_operand_t);
void dump_function_end_for_rewrite (void);
void rewrite_function_end ();
void dump_this (jsp_operand_t);
jsp_operand_t dump_this_res (void);
void dump_post_increment (jsp_operand_t, jsp_operand_t);
jerry-core/parser/js/scopes-tree.cpp
-2
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@@ -350,7 +350,6 @@ generate_instr (linked_list instr_list, /**< instruction list */
case VM_OP_FUNC_DECL_N:
case VM_OP_ARRAY_DECL:
case VM_OP_OBJ_DECL:
case VM_OP_THIS_BINDING:
case VM_OP_WITH:
case VM_OP_FOR_IN:
case VM_OP_THROW_VALUE:
@@ -492,7 +491,6 @@ count_new_literals_in_instr (op_meta *om_p) /**< instruction */
case VM_OP_FUNC_DECL_N:
case VM_OP_ARRAY_DECL:
case VM_OP_OBJ_DECL:
case VM_OP_THIS_BINDING:
case VM_OP_WITH:
case VM_OP_THROW_VALUE:
case VM_OP_IS_TRUE_JMP_UP: