[Bug tree-optimization/69702] [4.9/5/6 Regression] excessive stack usage with -fprofile-arcs, LIM store motion lacks a register pressure aware cost model

2016-02-08 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69702 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Status|UNCONFIRMED

[Bug tree-optimization/69702] [4.9/5/6 Regression] excessive stack usage with -fprofile-arcs, LIM store motion lacks a register pressure aware cost model

2016-02-10 Thread arnd at linaro dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69702 --- Comment #2 from Arnd Bergmann --- Thanks, I have now added -fno-tree-loop-im to the kernel gcov cflags, so files we profile will be built with that. I can confirm that it fixes all stack size warnings that show up with -fprofile-arcs, I found

[Bug tree-optimization/69702] [4.9/5/6 Regression] excessive stack usage with -fprofile-arcs, LIM store motion lacks a register pressure aware cost model

2016-02-10 Thread rguenther at suse dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69702 --- Comment #3 from rguenther at suse dot de --- On Wed, 10 Feb 2016, arnd at linaro dot org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69702 > > --- Comment #2 from Arnd Bergmann --- > Thanks, I have now added -fno-tree-loop-im to