Code alignment? I mean, the different instructions change the alignment of the rest of the code. - 64 bit register 0: 48 c7 c1 01 00 00 00 mov rcx,

Code alignment? I mean, the different instructions change the alignment of the rest of the code. - 64 bit register 0: 48 c7 c1 01 00 00 00 mov rcx,0x1 - 32 bit register 0: b9 01 00 00 00 mov ecx,0x1 It should be easy to test by adding a couple of NOPs to the fast version: 0: b9 01 00 00 00 mov ecx,0x1 5: 90 nop 6: 90 nop and see if it regresses again. I don't have an Alder Lake to test on.