PopCnt Problem with execution speed
Original Reporter info from Mantis: rd0x
-
Reporter name:
Original Reporter info from Mantis: rd0x
- Reporter name:
Description:
As reported in the forum, the PopCnt function execution varies a lot depending on code and seems FPC doesn't pick the fastest one even if the CPU supports POPCNT asm instruction
Additional information:
https://forum.lazarus.freepascal.org/index.php/topic,45840.0.html
Mantis conversion info:
- Mantis ID: 35762
- Version: 3.0.4