News for hackers. Stuff that matters.

A comment on The Performance Cost of Integer Overflow Checking. Parent comment

Re:The Performance Cost of Integer Overflow Checking by thesz on Thursday December 18, 2014 @03:55PM (#8769563)
x86 has special into command to trap on overflow. Thus I don't know what he is talking about.

http://www.electronics.dit.ie/staff/tscarff/8086_instruction...

You can do without carry and overflow flags in long arithmetic just fine.

[ Parent | on HN ]
Re:The Performance Cost of Integer Overflow Checking by dezgeg on Thursday December 18, 2014 @04:20PM (#8769678)
INTO is not supported in 64-bit mode.
[ Parent | on HN ]