[Bug rtl-optimization/47464] [4.6 Regression] Many gomp failures

2011-01-26 Thread law at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47464 --- Comment #5 from Jeffrey A. Law 2011-01-26 22:45:07 UTC --- Author: law Date: Wed Jan 26 22:45:04 2011 New Revision: 169310 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169310 Log: PR rtl-optimization/47464 * df-problems.c (

[Bug rtl-optimization/47464] [4.6 Regression] Many gomp failures

2011-01-25 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47464 --- Comment #4 from Jeffrey A. Law 2011-01-26 05:59:56 UTC --- ifcvt thinks the memory reference in insn 69 is safe to move because it is marked as notrap That's obviously incorrect. The marking as notrap occurs due to a very interesting se

[Bug rtl-optimization/47464] [4.6 Regression] Many gomp failures

2011-01-25 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47464 --- Comment #3 from Jeffrey A. Law 2011-01-26 04:33:24 UTC --- Stranger and stranger. It looks like my patch may have exposed a latent bug in the post-reload ifcvt pass. It's moving some insns which clearly aren't safe to move. IF-CASE-1 foun

[Bug rtl-optimization/47464] [4.6 Regression] Many gomp failures

2011-01-25 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47464 --- Comment #2 from Jeffrey A. Law 2011-01-26 00:07:44 UTC --- We're miscompiling move_exit_barriers, though I don't yet know how my patch is the root cause. Jeff

[Bug rtl-optimization/47464] [4.6 Regression] Many gomp failures

2011-01-25 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47464 Jakub Jelinek changed: What|Removed |Added Keywords||wrong-code Priority|P2