4 ms·I do doubt that even for a for(;;), a jmp (x86) is use instead of a conditional jump like jz.by FredBrach 14y agoI do doubt that even for a for(;;), a jmp (x86) is use instead of a conditional jump like jz.dbaupp 14y agoCompilers are smart! For common things like this, they will easily optimise away any conditional jumps.tsahyt 14y agoIt is, you can easily check that yourself. for(;;) compiles to exactly one jmp in GCC (tested with gcc 4.7.0)