[Bug c++/101555] Compile slowdown in tree PRE

2021-07-21 Thread wsnyder at wsnyder dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101555 --- Comment #1 from Wilson Snyder --- Created attachment 51187 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51187=edit Examples and runtimes

[Bug c++/101555] New: Compile slowdown in tree PRE

2021-07-21 Thread wsnyder at wsnyder dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101555 Bug ID: 101555 Summary: Compile slowdown in tree PRE Product: gcc Version: 9.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug middle-end/99579] gmon.out not created with -O0 but otherwise is

2021-03-13 Thread wsnyder at wsnyder dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99579 Wilson Snyder changed: What|Removed |Added Status|RESOLVED|CLOSED --- Comment #3 from Wilson

[Bug middle-end/99579] gmon.out not created with -O0 but otherwise is

2021-03-13 Thread wsnyder at wsnyder dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99579 --- Comment #2 from Wilson Snyder --- So glibc where to report this then?

[Bug c++/99579] New: gmon.out not created with -O0 but otherwise is

2021-03-13 Thread wsnyder at wsnyder dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99579 Bug ID: 99579 Summary: gmon.out not created with -O0 but otherwise is Product: gcc Version: 9.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug tree-optimization/97623] [9/10/11 Regression] Extremely slow O2 compile (>>O(n^2))

2020-11-06 Thread wsnyder at wsnyder dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97623 --- Comment #12 from Wilson Snyder --- Created attachment 49515 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49515=edit Larger testcase Attached is the larger testcase. time g++ -O2 -c -o Vtb_top__3_ii.o Vtb_top__3_ii.cpp user

[Bug tree-optimization/97623] [9/10/11 Regression] Extremely slow O2 compile (>>O(n^2))

2020-11-05 Thread wsnyder at wsnyder dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97623 --- Comment #10 from Wilson Snyder --- Running -O2 -fno-code-hoisting -ftime-report and I deleted the 0%/0%/0% lines: Time variable usr sys wall GGC phase parsing

[Bug tree-optimization/97623] [9/10/11 Regression] Extremely slow O2 compile (>>O(n^2))

2020-10-30 Thread wsnyder at wsnyder dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97623 --- Comment #7 from Wilson Snyder --- Thanks for the quick service. I can't easily try GCC trunk, but: -O2 compile 98.61s runtime 25.76s -O2 -fno-code-hoisting compile 40.13s runtime 26.40s (+2.5%) -Os compile 4.25s runtime

[Bug c++/97623] Extremely slow O2 compile (>>O(n^2))

2020-10-28 Thread wsnyder at wsnyder dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97623 --- Comment #1 from Wilson Snyder --- P.S. Note gcc -v and related information are comments at top of the attachment.

[Bug c++/97623] New: Extremely slow O2 compile (>>O(n^2))

2020-10-28 Thread wsnyder at wsnyder dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97623 Bug ID: 97623 Summary: Extremely slow O2 compile (>>O(n^2)) Product: gcc Version: 9.3.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++