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Performance optimizations

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* inline some hot function
 * add 'ecma_copy_value_if_not_object' similer to 'ecma_value_free_if_not_object'
 * remove unnecessary helpers
 * improve 'do_number_bitwise_logic'

JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com
This commit is contained in:
László Langó
2016-03-17 11:08:53 +01:00
parent 94f887919e
commit 2027caeda5
30 changed files with 202 additions and 242 deletions
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jerry-core/vm/opcodes-ecma-bitwise.c
+11 -11
View File
@@ -49,47 +49,47 @@ do_number_bitwise_logic (number_bitwise_logic_op op, /**< number bitwise logic o
ECMA_OP_TO_NUMBER_TRY_CATCH (num_right, right_value, ret_value);
ecma_number_t *res_p = ecma_alloc_number ();
int32_t left_int32 = ecma_number_to_int32 (num_left);
uint32_t left_uint32 = ecma_number_to_uint32 (num_left);
uint32_t right_uint32 = ecma_number_to_uint32 (num_right);
switch (op)
{
case NUMBER_BITWISE_LOGIC_AND:
{
*res_p = ecma_int32_to_number ((int32_t) (left_uint32 & right_uint32));
uint32_t left_uint32 = ecma_number_to_uint32 (num_left);
*res_p = (ecma_number_t) ((int32_t) (left_uint32 & right_uint32));
break;
}
case NUMBER_BITWISE_LOGIC_OR:
{
*res_p = ecma_int32_to_number ((int32_t) (left_uint32 | right_uint32));
uint32_t left_uint32 = ecma_number_to_uint32 (num_left);
*res_p = (ecma_number_t) ((int32_t) (left_uint32 | right_uint32));
break;
}
case NUMBER_BITWISE_LOGIC_XOR:
{
*res_p = ecma_int32_to_number ((int32_t) (left_uint32 ^ right_uint32));
uint32_t left_uint32 = ecma_number_to_uint32 (num_left);
*res_p = (ecma_number_t) ((int32_t) (left_uint32 ^ right_uint32));
break;
}
case NUMBER_BITWISE_SHIFT_LEFT:
{
*res_p = ecma_int32_to_number (left_int32 << (right_uint32 & 0x1F));
*res_p = (ecma_number_t) (ecma_number_to_int32 (num_left) << (right_uint32 & 0x1F));
break;
}
case NUMBER_BITWISE_SHIFT_RIGHT:
{
*res_p = ecma_int32_to_number (left_int32 >> (right_uint32 & 0x1F));
*res_p = (ecma_number_t) (ecma_number_to_int32 (num_left) >> (right_uint32 & 0x1F));
break;
}
case NUMBER_BITWISE_SHIFT_URIGHT:
{
*res_p = ecma_uint32_to_number (left_uint32 >> (right_uint32 & 0x1F));
uint32_t left_uint32 = ecma_number_to_uint32 (num_left);
*res_p = (ecma_number_t) (left_uint32 >> (right_uint32 & 0x1F));
break;
}
case NUMBER_BITWISE_NOT:
{
*res_p = ecma_int32_to_number ((int32_t) ~right_uint32);
*res_p = (ecma_number_t) ((int32_t) ~right_uint32);
break;
}
}
jerry-core/vm/vm.c
+16 -16
View File
@@ -224,7 +224,7 @@ vm_run_eval (ecma_compiled_code_t *bytecode_data_p, /**< byte-code data */
/* ECMA-262 v5, 10.4.2 */
if (is_direct)
{
this_binding = ecma_copy_value (vm_top_context_p->this_binding, true);
this_binding = ecma_copy_value (vm_top_context_p->this_binding);
lex_env_p = vm_top_context_p->lex_env_p;
ecma_ref_object (vm_top_context_p->lex_env_p);
}
@@ -477,7 +477,7 @@ enum
if ((literal_index) < register_end) \
{ \
/* Note: There should be no specialization for arguments. */ \
(target_value) = ecma_copy_value (frame_ctx_p->registers_p[literal_index], true); \
(target_value) = ecma_copy_value (frame_ctx_p->registers_p[literal_index]); \
target_free_op; \
} \
else \
@@ -836,7 +836,7 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
case VM_OC_GET_DATA_GET_ID (VM_OC_GET_THIS_LITERAL):
{
right_value = left_value;
left_value = ecma_copy_value (frame_ctx_p->this_binding, true);
left_value = ecma_copy_value (frame_ctx_p->this_binding);
free_flags = (uint8_t) ((free_flags << 1) | VM_FREE_LEFT_VALUE);
break;
}
@@ -947,7 +947,7 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
}
case VM_OC_PUSH_THIS:
{
result = ecma_copy_value (frame_ctx_p->this_binding, true);
result = ecma_copy_value (frame_ctx_p->this_binding);
break;
}
case VM_OC_PUSH_NUMBER:
@@ -1130,7 +1130,7 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
{
*stack_top_p++ = ecma_make_simple_value (ECMA_SIMPLE_VALUE_REGISTER_REF);
*stack_top_p++ = literal_index;
result = ecma_copy_value (frame_ctx_p->registers_p[literal_index], true);
result = ecma_copy_value (frame_ctx_p->registers_p[literal_index]);
}
else
{
@@ -1185,8 +1185,8 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
{
JERRY_ASSERT (opcode == CBC_PUSH_PROP_LITERAL_LITERAL_REFERENCE
|| opcode == CBC_PUSH_PROP_THIS_LITERAL_REFERENCE);
*stack_top_p++ = ecma_copy_value (left_value, true);
*stack_top_p++ = ecma_copy_value (right_value, true);
*stack_top_p++ = ecma_copy_value (left_value);
*stack_top_p++ = ecma_copy_value (right_value);
}
/* FALLTHRU */
}
@@ -1253,7 +1253,7 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
JERRY_ASSERT (opcode == CBC_POST_INCR_IDENT_PUSH_RESULT
|| opcode == CBC_POST_DECR_IDENT_PUSH_RESULT);
*stack_top_p++ = ecma_copy_value (result, true);
*stack_top_p++ = ecma_copy_value (result);
}
else
{
@@ -1266,14 +1266,14 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
stack_top_p++;
stack_top_p[-1] = stack_top_p[-2];
stack_top_p[-2] = stack_top_p[-3];
stack_top_p[-3] = ecma_copy_value (result, true);
stack_top_p[-3] = ecma_copy_value (result);
}
opcode_data &= (uint32_t)~VM_OC_PUT_STACK;
}
else if (opcode_data & VM_OC_PUT_BLOCK)
{
ecma_free_value (block_result);
block_result = ecma_copy_value (result, true);
block_result = ecma_copy_value (result);
opcode_data &= (uint32_t) ~VM_OC_PUT_BLOCK;
}
}
@@ -1297,7 +1297,7 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
case VM_OC_ASSIGN_PROP_THIS:
{
result = stack_top_p[-1];
stack_top_p[-1] = ecma_copy_value (frame_ctx_p->this_binding, true);
stack_top_p[-1] = ecma_copy_value (frame_ctx_p->this_binding);
*stack_top_p++ = left_value;
free_flags = 0;
break;
@@ -1542,7 +1542,7 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
if (literal_index < register_end)
{
left_value = ecma_copy_value (frame_ctx_p->registers_p[literal_index], true);
left_value = ecma_copy_value (frame_ctx_p->registers_p[literal_index]);
free_flags = VM_FREE_LEFT_VALUE;
}
else
@@ -2110,7 +2110,7 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
if (opcode_data & (VM_OC_PUT_STACK | VM_OC_PUT_BLOCK))
{
result = ecma_copy_value (result, true);
result = ecma_copy_value (result);
}
}
else
@@ -2154,7 +2154,7 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
if (opcode_data & (VM_OC_PUT_STACK | VM_OC_PUT_BLOCK))
{
result = ecma_copy_value (result, true);
result = ecma_copy_value (result);
}
}
else
@@ -2372,7 +2372,7 @@ vm_execute (vm_frame_ctx_t *frame_ctx_p, /**< frame context */
ecma_collection_iterator_next (&arguments_iterator);
value = *arguments_iterator.current_value_p;
frame_ctx_p->registers_p[i] = ecma_copy_value (value, true);
frame_ctx_p->registers_p[i] = ecma_copy_value (value);
}
}
else
@@ -2387,7 +2387,7 @@ vm_execute (vm_frame_ctx_t *frame_ctx_p, /**< frame context */
for (uint32_t i = 0; i < arg_list_len; i++)
{
frame_ctx_p->registers_p[i] = ecma_copy_value (src_p[i], true);
frame_ctx_p->registers_p[i] = ecma_copy_value (src_p[i]);
}
}