[Bug middle-end/77546] [6 regression] C++ software renderer performance drop

2016-09-11 Thread tulipawn at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77546 --- Comment #5 from PeteVine --- ARMv7 for example is not affected, on the contrary, GCC6 posts a very small improvement (29.2 vs 29.0). Back on aarch64, however, GCC7 is able to get some of the lost performance back @ 37 avg. A clue?

[Bug middle-end/77546] [6 regression] C++ software renderer performance drop

2016-09-11 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77546 Andrew Pinski changed: What|Removed |Added Keywords||missed-optimization --- Comment #4 from

[Bug middle-end/77546] [6 regression] C++ software renderer performance drop

2016-09-10 Thread tulipawn at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77546 --- Comment #3 from PeteVine --- Created attachment 39602 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39602&action=edit Screen.cc preprocessed