[Bug rtl-optimization/38518] Excessive compile time with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38518 --- Comment #15 from David Binderman --- (In reply to David Binderman from comment #12) > With recent gcc: > > no -O flag: 2 seconds > > -O2: 24 seconds > > -O3: 247 seconds Those numbers for a version of trunk gcc with lots of checking. Wit

[Bug rtl-optimization/38518] Excessive compile time with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38518 Richard Biener changed: What|Removed |Added CC||law at gcc dot gnu.org --- Comment #14

[Bug rtl-optimization/38518] Excessive compile time with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38518 --- Comment #13 from Richard Biener --- Also look at gcc.opensuse.org/ in the c++bench "random" part. At -O2 it shows df live&initialized regs: 12.12 (31%) usr backwards jump threading: 6.44 (17%) usr the backwards jump threading thing

[Bug rtl-optimization/38518] Excessive compile time with -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38518 --- Comment #12 from David Binderman --- With recent gcc: no -O flag: 2 seconds -O2: 24 seconds -O3: 247 seconds I'll have a look at -ftime-report.

[Bug rtl-optimization/38518] Excessive compile time with -O3

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38518 Richard Biener changed: What|Removed |Added Keywords||ra Status|ASSIGNED

[Bug rtl-optimization/38518] Excessive compile time with -O3

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38518 --- Comment #10 from Richard Biener --- Author: rguenth Date: Fri Jan 17 10:47:59 2014 New Revision: 206702 URL: http://gcc.gnu.org/viewcvs?rev=206702&root=gcc&view=rev Log: 2014-01-17 Richard Biener PR rtl-optimization/38518 * df.h (

[Bug rtl-optimization/38518] Excessive compile time with -O3

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38518 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned a

[Bug rtl-optimization/38518] Excessive compile time with -O3

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38518 --- Comment #8 from Richard Biener --- (In reply to Richard Biener from comment #7) > Fixing this DF issue get's us down to > > loop invariant motion : 0.14 ( 0%) usr 0.01 ( 1%) sys 0.14 ( 0%) > wall 148 kB ( 0%) ggc > loop unswitch

[Bug rtl-optimization/38518] Excessive compile time with -O3

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38518 --- Comment #7 from Richard Biener --- Fixing this DF issue get's us down to loop invariant motion : 0.14 ( 0%) usr 0.01 ( 1%) sys 0.14 ( 0%) wall 148 kB ( 0%) ggc loop unswitching: 15.44 (30%) usr 0.02 ( 3%) sys 15.48 (

[Bug rtl-optimization/38518] Excessive compile time with -O3

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38518 Richard Biener changed: What|Removed |Added CC||stevenb.gcc at gmail dot com --- Comment