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Optimize bit operation in vm.c (#4591)

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JerryScript-DCO-1.0-Signed-off-by: Yonggang Luo luoyonggang@gmail.com
This commit is contained in:
Yonggang Luo
2021-02-16 12:17:21 +00:00
committed by GitHub
parent a2f22cf888
commit 3afb007123
1 changed files with 4 additions and 4 deletions
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jerry-core/vm/vm.c
+4 -4
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@@ -3314,7 +3314,7 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
if (ecma_is_value_integer_number (left_value)) if (ecma_is_value_integer_number (left_value))
{ {
*stack_top_p++ = (~left_value) & (ecma_value_t) (~ECMA_DIRECT_TYPE_MASK); *stack_top_p++ = (~ECMA_DIRECT_TYPE_MASK) ^ left_value;
goto free_left_value; goto free_left_value;
} }
@@ -3490,8 +3490,8 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
&& left_integer <= ECMA_INTEGER_MULTIPLY_MAX && left_integer <= ECMA_INTEGER_MULTIPLY_MAX
&& -ECMA_INTEGER_MULTIPLY_MAX <= right_integer && -ECMA_INTEGER_MULTIPLY_MAX <= right_integer
&& right_integer <= ECMA_INTEGER_MULTIPLY_MAX && right_integer <= ECMA_INTEGER_MULTIPLY_MAX
&& left_value != 0 && left_integer != 0
&& right_value != 0) && right_integer != 0)
{ {
*stack_top_p++ = ecma_integer_multiply (left_integer, right_integer); *stack_top_p++ = ecma_integer_multiply (left_integer, right_integer);
continue; continue;
@@ -3674,7 +3674,7 @@ vm_loop (vm_frame_ctx_t *frame_ctx_p) /**< frame context */
if (ecma_are_values_integer_numbers (left_value, right_value)) if (ecma_are_values_integer_numbers (left_value, right_value))
{ {
*stack_top_p++ = (left_value ^ right_value) & (ecma_value_t) (~ECMA_DIRECT_TYPE_MASK); *stack_top_p++ = left_value ^ right_value;
continue; continue;
} }