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Integer acceleration for basic arithmetic and comparison.

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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
2016-05-18 02:59:13 -07:00
parent 07dabff1ab
commit 7b9e6a873f
7 changed files with 249 additions and 1 deletions
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jerry-core/vm/opcodes-ecma-bitwise.c
+49
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@@ -43,6 +43,55 @@ do_number_bitwise_logic (number_bitwise_logic_op op, /**< number bitwise logic o
ecma_value_t left_value, /**< left value */
ecma_value_t right_value) /**< right value */
{
JERRY_STATIC_ASSERT (ECMA_DIRECT_TYPE_INTEGER_VALUE == 0,
ecma_direct_type_integer_value_must_be_zero_for_bitwise_logic);
JERRY_STATIC_ASSERT ((ECMA_DIRECT_TYPE_MASK | ECMA_VALUE_ERROR_FLAG) == ((1 << ECMA_DIRECT_SHIFT) - 1),
direct_type_mask_and_error_flag_must_fill_all_bits_before_the_value_starts);
JERRY_ASSERT (!ecma_is_value_error (left_value)
&& !ecma_is_value_error (right_value));
if (ecma_are_values_integer_numbers (left_value, right_value))
{
switch (op)
{
case NUMBER_BITWISE_LOGIC_AND:
{
return left_value & right_value;
}
case NUMBER_BITWISE_LOGIC_OR:
{
return left_value | right_value;
}
case NUMBER_BITWISE_LOGIC_XOR:
{
return (left_value ^ right_value) & (ecma_value_t) (~((1 << ECMA_DIRECT_SHIFT) - 1));
}
case NUMBER_BITWISE_SHIFT_LEFT:
{
ecma_integer_value_t left_integer = ecma_get_integer_from_value (left_value);
ecma_integer_value_t right_integer = ecma_get_integer_from_value (right_value);
return ecma_make_int32_value ((int32_t) (left_integer << (right_integer & 0x1f)));
}
case NUMBER_BITWISE_SHIFT_RIGHT:
{
ecma_integer_value_t left_integer = ecma_get_integer_from_value (left_value);
ecma_integer_value_t right_integer = ecma_get_integer_from_value (right_value);
return ecma_make_integer_value (left_integer >> (right_integer & 0x1f));
}
case NUMBER_BITWISE_SHIFT_URIGHT:
{
uint32_t left_uint32 = (uint32_t) ecma_get_integer_from_value (left_value);
ecma_integer_value_t right_integer = ecma_get_integer_from_value (right_value);
return ecma_make_uint32_value (left_uint32 >> (right_integer & 0x1f));
}
case NUMBER_BITWISE_NOT:
{
return (~right_value) & (ecma_value_t) (~((1 << ECMA_DIRECT_SHIFT) - 1));
}
}
}
ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);
ECMA_OP_TO_NUMBER_TRY_CATCH (num_left, left_value, ret_value);