18 июл. 2012 г. · Compiling with an optimisation level of -O3 in g++ is somehow 'dangerous', and should be avoided in general unless proven to be necessary.

19 окт. 2012 г. · -Og enables optimizations that do not interfere with debugging. It should be the optimization level of choice for the standard edit-compile- ...

23 сент. 2018 г. · Modern versions of GCC have the -fverbose-asm option that dumps the optimisation options enabled in a comment in the assembly file.

4 мар. 2019 г. · drop-down-menu; scroll; colors; hive; parallel-processing; tfs; scipy; count; syntax; ms-word; twitter-bootstrap-3; google-analytics; ssis

23 апр. 2011 г. · The gcc option -O enables different levels of optimization. Use -O0 to disable them and use -S to output assembly. -O3 is the highest level of optimization.

25 февр. 2020 г. · -O0 is special, and implies spill/reload between every statement for consistent debugging: Why does clang produce inefficient asm with -O0 ...

13 апр. 2016 г. · I'd recommend compiling new code with -std=gnu11 , or -std=c11 if needed. (Or these days, a more recent version like -std=gnu23 ).

26 янв. 2010 г. · The code flow analysis that the optimiser performs allows it to detect potential problems that normal (and faster) compilation cannot detect.

8 дек. 2013 г. · I'm trying to get together a bunch of executables that have different optimizations run on them. My only question is, should gcc commands with - ...

24 янв. 2013 г. · GCC also features a large amount of other optimisation flags which aren't enabled by any "-O" options. They are listed as "experimental options ...