Interviewing programmers: coding test example explained

Re:Interviewing programmers: coding test example explained by loup-vaillant on Thursday June 03, 2010 @05:04PM (#1402546)

Gasp! I thought it would be easy to just transfer the compare flag to a general purpose register. I suppose x86 doesn't have such an instruction?

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Re:Interviewing programmers: coding test example explained by Daniel_Newby on Thursday June 03, 2010 @06:00PM (#1402752)

I lied! A quick test shows that GCC uses the x86 SETE instruction (set register on condition equal). Cool.

However, code like this:

    if (x == 14) {
        y = 10;
    } else {
        y = 20;
    }

uses branches, although I think x86-64 has conditional load instructions.

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