I can really recommend gcc.godbolt.org if you want to see what
compilers does with stuff, actually.

On Sun, Sep 14, 2014 at 4:13 PM, Per Hedbor <p...@hedbor.org> wrote:
> Also, somewhat related the "speeds up short path" you just commited
> actually most likely does not. :)
>
> Check the generated code, it's surprisingly similar for both before and after.
>
> http://goo.gl/XIPWyu
>
> The inner loop is the same length, the only difference is the
> registers used, and the overall function size differs by 2
> instructions, one of which is in the error handling that is rather
> unlikely to be triggered.
>
> Again, the C compiler is good at obvious optimizations, so most of the
> time I go for the most easily readable verision of the code.
>
> This change is otherwise fine, I guess, but the commit message is misleading.
              • ... Stephen R. van den Berg
              • ... Stephen R. van den Berg
              • ... Stephen R. van den Berg
              • ... Per Hedbor
              • ... Stephen R. van den Berg
              • ... Per Hedbor
              • ... Stephen R. van den Berg
              • ... Stephen R. van den Berg
              • ... Per Hedbor
              • ... Per Hedbor
              • ... Per Hedbor
              • ... Arne Goedeke
              • ... Stephen R. van den Berg
      • ... Chris Angelico
        • ... Stephen R. van den Berg
          • ... Chris Angelico
    • ... Marcus Comstedt (ACROSS) (Hail Ilpalazzo!) @ Pike (-) developers forum
      • ... Martin Nilsson (Opera Mini - AFK!) @ Pike (-) developers forum
  • lfu... Per Hedbor () @ Pike (-) developers forum

Reply via email to