[fpc-devel] x86-64: MOVZX peephole optimisations

J. Gareth Moreton gareth at moreton-family.com
Fri Mar 8 14:44:46 CET 2019

 And apologies for my horrendous grammar in that last e-mail!  What I
meant to say is that an option could be that x86-64 can favour MOVZX, since
the oldest processors are guaranteed to have been first released no earlier
than the early 2000s, while i386 and i8086 can favour MOV + AND, unless
more conditional checks "if current_settings.cputype
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freepascal.org/pipermail/fpc-devel/attachments/20190308/43876d31/attachment.html>

More information about the fpc-devel mailing list