[Bug tree-optimization/64910] tree reassociation results in poor code

2017-09-05 Thread law at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64910 --- Comment #6 from Jeffrey A. Law --- Author: law Date: Wed Sep 6 05:20:25 2017 New Revision: 251751 URL: https://gcc.gnu.org/viewcvs?rev=251751&root=gcc&view=rev Log: PR tree-optimization/64910 * tree-ssa-reassoc.c (reassociat

[Bug tree-optimization/64910] tree reassociation results in poor code

2017-09-05 Thread ro at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64910 Rainer Orth changed: What|Removed |Added CC||ro at gcc dot gnu.org --- Comment #5 from

[Bug tree-optimization/64910] tree reassociation results in poor code

2017-09-04 Thread law at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64910 --- Comment #3 from Jeffrey A. Law --- Author: law Date: Mon Sep 4 14:00:29 2017 New Revision: 251659 URL: https://gcc.gnu.org/viewcvs?rev=251659&root=gcc&view=rev Log: 2017-09-03 Jeff Law PR tree-optimization/64910 * tree-s

[Bug tree-optimization/64910] tree reassociation results in poor code

2017-09-04 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64910 Jeffrey A. Law changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/64910] tree reassociation results in poor code

2016-10-02 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64910 Andrew Pinski changed: What|Removed |Added Keywords||missed-optimization Severity|n

[Bug tree-optimization/64910] tree reassociation results in poor code

2015-12-20 Thread law at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64910 --- Comment #2 from Jeffrey A. Law --- Author: law Date: Mon Dec 21 04:49:02 2015 New Revision: 231871 URL: https://gcc.gnu.org/viewcvs?rev=231871&root=gcc&view=rev Log: PR tree-optimization/64910 * config/i386/i386.md (testqi_ex

[Bug tree-optimization/64910] tree reassociation results in poor code

2015-02-02 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64910 --- Comment #1 from Jeffrey A. Law --- Here's the hack that I was playing with which shows the better code sequence: diff --git a/gcc/tree-ssa-reassoc.c b/gcc/tree-ssa-reassoc.c index 995..4515a4d 100644 --- a/gcc/tree-ssa-reassoc.c +++ b/gcc