https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61607
--- Comment #11 from Yvan Roux yroux at gcc dot gnu.org ---
Author: yroux
Date: Thu Mar 5 14:28:05 2015
New Revision: 221216
URL: https://gcc.gnu.org/viewcvs?rev=221216root=gccview=rev
Log:
gcc/
2015-03-05 Yvan Roux yvan.r...@linaro.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61607
Jeffrey A. Law law at redhat dot com changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61607
Jeffrey A. Law law at redhat dot com changed:
What|Removed |Added
CC||law at redhat dot
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61607
--- Comment #8 from Jeffrey A. Law law at redhat dot com ---
FWIW, I vaguely recall experimenting with following the SSA_NAME_VALUE chains
in the past and having problems with cycles. IIRC we can get cycles from
things like recording
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61607
--- Comment #9 from Jeffrey A. Law law at redhat dot com ---
So, the length of the SSA_NAME_VALUE chains is pretty much as expected. The
overwhelming majority of the time there is nothing in the SSA_NAME_VALUE chain
or a single entry. Then
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61607
--- Comment #4 from Richard Biener rguenth at gcc dot gnu.org ---
Author: rguenth
Date: Thu Jun 26 07:44:10 2014
New Revision: 212011
URL: https://gcc.gnu.org/viewcvs?rev=212011root=gccview=rev
Log:
2014-06-26 Richard Biener rguent...@suse.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61607
--- Comment #5 from Richard Biener rguenth at gcc dot gnu.org ---
Author: rguenth
Date: Thu Jun 26 11:29:34 2014
New Revision: 212026
URL: https://gcc.gnu.org/viewcvs?rev=212026root=gccview=rev
Log:
2014-06-26 Richard Biener rguent...@suse.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61607
--- Comment #6 from Richard Biener rguenth at gcc dot gnu.org ---
The bogus loop cancelling is fixed as well as the equivalence recording. Still
DOM does
Registering jump thread: (3, 4) incoming edge; (4, 5) joiner; (5, 6)
normal;
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61607
--- Comment #1 from Richard Biener rguenth at gcc dot gnu.org ---
Optimizing block #5
1 COND 1 = i_1 ge_expr R_6(D)
1 COND 0 = i_1 lt_expr R_6(D)
LKUP STMT inter0p_13 = PHI inter0p_2
inter0p_13 = PHI inter0p_2(4)
2 STMT inter0p_13 =
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61607
--- Comment #2 from Richard Biener rguenth at gcc dot gnu.org ---
With the propagation limitation removed we get
Registering jump thread: (2, 4) incoming edge; (4, 5) joiner; (5, 7)
normal;
Cancelling jump thread: (2, 4) incoming edge;
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61607
--- Comment #3 from Richard Biener rguenth at gcc dot gnu.org ---
Like with
Index: gcc/tree-ssa-threadupdate.c
===
--- gcc/tree-ssa-threadupdate.c (revision 211969)
+++
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