YourWishes/jerryscript
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Optimize conditional jumps.

Browse Source 
The ecma_op_to_boolean return value is changed to bool for faster
evaluation, and no need to swap operandos of relational compare.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2016-05-30 05:56:22 -07:00
parent 08c312bc55
commit f24be95f89
12 changed files with 149 additions and 193 deletions
Download Patch File Download Diff File Expand all files Collapse all files
jerry-core/ecma/operations/ecma-comparison.c
+2 -5
View File
@@ -334,15 +334,12 @@ ecma_op_abstract_relational_compare (ecma_value_t x, /**< first operand */
{
ecma_value_t ret_value = ecma_make_simple_value (ECMA_SIMPLE_VALUE_EMPTY);
ecma_value_t first_converted_value = left_first ? x : y;
ecma_value_t second_converted_value = left_first ? y : x;
// 1., 2.
ECMA_TRY_CATCH (prim_first_converted_value,
ecma_op_to_primitive (first_converted_value, ECMA_PREFERRED_TYPE_NUMBER),
ecma_op_to_primitive (x, ECMA_PREFERRED_TYPE_NUMBER),
ret_value);
ECMA_TRY_CATCH (prim_second_converted_value,
ecma_op_to_primitive (second_converted_value, ECMA_PREFERRED_TYPE_NUMBER),
ecma_op_to_primitive (y, ECMA_PREFERRED_TYPE_NUMBER),
ret_value);
const ecma_value_t px = left_first ? prim_first_converted_value : prim_second_converted_value;