View Single Post
Old 04 February 2020, 16:51   #169
ross
Per aspera ad astra

ross's Avatar
 
Join Date: Mar 2017
Location: Crossing the Rubicon
Age: 49
Posts: 2,472
Quote:
Originally Posted by sparhawk View Post
Maybe there is a faster way to clear the upper word of a register?
If you know for sure that's a positive value, you can
ext.l dx
(4 cycles )

But usually I keep a register with the upper part zeroed out of the main loop and then move the data only for the lower part.
ross is offline  
 
Page generated in 0.04102 seconds with 11 queries