https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
Jeffrey A. Law changed:
What|Removed |Added
Status|REOPENED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
--- Comment #18 from Jeffrey A. Law ---
Author: law
Date: Fri Aug 28 16:23:12 2015
New Revision: 227307
URL: https://gcc.gnu.org/viewcvs?rev=227307&root=gcc&view=rev
Log:
[PATCH][lto/66752] Fix missed FSM jump thread
PR lto/66752
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
--- Comment #17 from Jeffrey A. Law ---
The fix for the ppc64 bootstrap regression looks good. I'm just having a bear
of a time producing a reasonable test for the regression suite.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
--- Comment #16 from Jeffrey A. Law ---
Just a status update. This patch causes the stage1 compiler to mis-compile
tree-ssa-live, which in turn causes the stage2 compiler to incorrectly issue an
error when building the stage3 compiler on ppc64.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
--- Comment #15 from Jeffrey A. Law ---
Causes bootstrap failure on ppc64 that I haven't had time to dig into.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
Richard Biener changed:
What|Removed |Added
Status|RESOLVED|REOPENED
Resolution|FIXED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
Igor Zamyatin changed:
What|Removed |Added
CC||izamyatin at gmail dot com
--- Comment #
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
--- Comment #12 from Jeffrey A. Law ---
Author: law
Date: Sat Jul 25 05:45:42 2015
New Revision: 226206
URL: https://gcc.gnu.org/viewcvs?rev=226206&root=gcc&view=rev
Log:
Revert:
PR lto/66752
* tree-ssa-threadedge.c (simplify_con
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
--- Comment #11 from Richard Biener ---
Confirmed by our testers.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
Jeffrey A. Law changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
--- Comment #9 from Jeffrey A. Law ---
Author: law
Date: Thu Jul 23 20:42:15 2015
New Revision: 226125
URL: https://gcc.gnu.org/viewcvs?rev=226125&root=gcc&view=rev
Log:
PR lto/66752
* tree-ssa-threadedge.c (simplify_conrol_stmt_
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
--- Comment #8 from Jeffrey A. Law ---
After tracking down a couple bugs in the FSM support, I'm about ready to check
in a patch that should address the missed jump threads.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
Jeffrey A. Law changed:
What|Removed |Added
CC||law at redhat dot com
--- Comment #7 fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
Richard Biener changed:
What|Removed |Added
Keywords||missed-optimization
Status|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
--- Comment #5 from Andrew Pinski ---
Looks like bug 13876.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
--- Comment #4 from Yuri Rumyantsev ---
Created attachment 35947
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35947&action=edit
test-case to reproduce
compile with -Ofast -m32 -march=slm and notice redundant test
.L30:
testl %e
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
Yuri Rumyantsev changed:
What|Removed |Added
CC||ysrumyan at gmail dot com
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
Stupachenko Evgeny changed:
What|Removed |Added
CC||rth at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66752
Richard Biener changed:
What|Removed |Added
Target||i?86-*-*
CC|
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