Integer overflow checking

[Walter Bright via Digitalmars-d]

On 4/13/2016 8:00 PM, deadalnix wrote:
> Also, just checked, on sandy bridge, the LEA has 3clock latency (but start
> earlier in the pipeline) and the add 1, so it is not as bad as it looks (it is
> still bad).

The size is larger, too (not so cache friendly). Integer arithmetic is sort of 
the bread and butter of computer programs, how much slowdown will people accept?