[Bug rtl-optimization/50190] New: linkpk bench of polyhedron fails during validation with gcc trunk when it is compiled with -Ofast on amd64.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50190 Bug #: 50190 Summary: linkpk bench of polyhedron fails during validation with gcc trunk when it is compiled with -Ofast on amd64. Classification: Unclassified Product: g

[Bug rtl-optimization/50904] New: Induct benchmark of polyhedron slows down when -fno-protect-parens is enabled by -Ofast.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50904 Bug #: 50904 Summary: Induct benchmark of polyhedron slows down when -fno-protect-parens is enabled by -Ofast. Classification: Unclassified Product: gcc Version: 4.7.0

[Bug rtl-optimization/50904] Induct benchmark of polyhedron slows down when -fno-protect-parens is enabled by -Ofast.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50904 --- Comment #7 from Venkataramanan Kumar 2011-11-02 05:50:44 UTC --- (In reply to comment #6) > > I don't see why RTL invariant motion should move the one variant but not > > the other. Of course this also shows that we should, after loop unrolli

[Bug rtl-optimization/50904] [4.7 regression] pessimization when -fno-protect-parens is enabled by -Ofast

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50904 --- Comment #13 from Venkataramanan Kumar 2011-11-09 10:22:39 UTC --- (In reply to comment #12) > Created attachment 25764 [details] > Tentative fix (3) > Final version. Can someone try it on his favorite Fortran benchmark? Ok I will check and l

[Bug rtl-optimization/50904] [4.7 regression] pessimization when -fno-protect-parens is enabled by -Ofast

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50904 --- Comment #14 from Venkataramanan Kumar 2011-11-11 22:58:01 UTC --- I ran polyhedron benchmarks with -march=bdver1 and -Ofast. Induct run time was brought down to 53.45 sec from 70.93 sec. Other benchmarks are not affected much. I am planning t

[Bug tree-optimization/50904] [4.7 regression] pessimization when -fno-protect-parens is enabled by -Ofast

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50904 --- Comment #16 from Venkataramanan Kumar 2011-11-19 04:25:27 UTC --- (In reply to comment #13) > (In reply to comment #12) > > Created attachment 25764 [details] > > Tentative fix (3) > > Final version. Can someone try it on his favorite Fortran

[Bug gcov-profile/51361] New: [4.7 Regression] 471.omnetpp of SPEC2006 fails to build with -fprofile-generate

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51361 Bug #: 51361 Summary: [4.7 Regression] 471.omnetpp of SPEC2006 fails to build with -fprofile-generate Classification: Unclassified Product: gcc Version: 4.7.0 Status:

[Bug tree-optimization/50904] [4.7 regression] pessimization when -fno-protect-parens is enabled by -Ofast

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50904 --- Comment #49 from Venkataramanan Kumar 2011-12-06 09:59:39 UTC --- I am planning to test the patch on polyhedron benchmarks. Then I test it on CPU2006 SPEC.

[Bug tree-optimization/50904] [4.7 regression] pessimization when -fno-protect-parens is enabled by -Ofast

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50904 --- Comment #50 from Venkataramanan Kumar 2011-12-07 13:18:57 UTC --- In the machine I used Induct run time improves from 68.9 seconds to 55.94 seconds for -Ofast. I will update on other benchmarks and SPEC2006 once I complete testing.

[Bug gcov-profile/51361] [4.7 Regression] 471.omnetpp of SPEC2006 fails to build with -fprofile-generate

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51361 --- Comment #5 from Venkataramanan Kumar 2011-12-11 16:58:21 UTC --- The defect does not occur now. I checked in revision 182206.