4 ms·
Say you have a register whose range is -9..+9. (5-1)+5 doesn't trap but (5+5)-1 does.
by prodigal_erik 10y ago
Say you have a register whose range is -9..+9. (5-1)+5 doesn't trap but (5+5)-1 does.
- kazinator 10y agoI understand how to make an example of this; the question is why should (5-1)+5 trap, just because (5+5)-1 does.