On Mon, Mar 8, 2010 at 11:09 PM, Alexey Salmin <alexey.salmin@xxxxxxxxx> wrote: >> optimizations added. Before filing a bug or investigating further, I >> wanted to ask the list: is my interpretation of the -O switch >> incorrect? Is it more than just the sum of those individual >> optimizations? > > http://gcc.gnu.org/ml/gcc-help/2009-10/msg00128.html > Also, the post with the full explanation is here, further down in the thread: http://gcc.gnu.org/ml/gcc-help/2009-10/msg00134.html