Red Hat Bugzilla – Bug 463796
[LTC 6.0 FEAT] 201183:System z optimizations for gcc 2007
Last modified: 2013-03-07 21:04:40 EST
Emily J. Ratliff <email@example.com> - 2008-09-24 13:50 EDT
1. Feature Overview:
Feature Id: 
a. Name of Feature: System z optimizations for gcc 2007
b. Feature Description
Exploit new Optimization Capabilities of gcc in the Current Development Version
2. Feature Details:
Arch Specificity: Purely Arch Specific Code
Affects Toolchain: Yes
Delivery Mechanism: Direct from community
Request Type: Toolchain - Enhancement from IBM
d. Upstream Acceptance: Accepted
Sponsor Priority 1
f. Severity: High
IBM Confidential: no
Code Contribution: IBM code
g. Component Version Target: gcc 4.3
3. Business Case
This patch provides the customers improved performance throughout the whole system by optimizing gcc
with improved algorithms
4. Primary contact at Red Hat:
5. Primary contacts at Partner:
Project Management Contact:
Hans-Georg Markgraf, firstname.lastname@example.org, Boeblingen 49-7031-16-3978
Gonzalo Muelas Serrano, email@example.com
Thomas Schwarz, firstname.lastname@example.org
This isn't very clear - what in gcc is being improved, does it require (for example) new flags passed on the commandline, and is this in the current gcc-4.3 release?
(In reply to comment #4)
> This isn't very clear - what in gcc is being improved, does it require (for
> example) new flags passed on the commandline, and is this in the current
> gcc-4.3 release?
This is the currency work done for GCC to support System z and it is everything upstream.
OK, then - setting to MODIFIED.
The feature requested has already been accepted into the upstream code base
planned for the next major release of Red Hat Enterprise Linux.
When the next milestone release of Red Hat Enterprise Linux 6 is available,
please verify that the feature requested is present and functioning as
Fixed in 'gcc-4.4.1-22.el6', included in compose 'RHEL6.0-20091028.0'.
Moving to ON_QA.
------- Comment From email@example.com 2010-06-16 03:43 EDT-------
This feature is verified on R6 snapshots
Set feature to "verified" Thx
Red Hat Enterprise Linux Beta 2 is now available and should resolve
the problem described in this bug report. This report is therefore being closed
with a resolution of CURRENTRELEASE. You may reopen this bug report if the
solution does not work for you.