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PATCH: Mention -mtune=intel in gcc-4.9/changes.html

Message ID CAMe9rOrk=kzhXyo_nRXYGFfcbu534EciX87u-8TA_brcioOAmg@mail.gmail.com
State New
Headers show

Commit Message

H.J. Lu Dec. 6, 2013, 5:40 p.m. UTC 
Hi,

This patch mentions  -mtune=intel in gcc-4.9/changes.html.
OK to install?

Thanks.

Comments

Gerald Pfeifer Dec. 6, 2013, 6:04 p.m. UTC | #1 
On Fri, 6 Dec 2013, H.J. Lu wrote:
> This patch mentions  -mtune=intel in gcc-4.9/changes.html.
> OK to install?

Okay.  (I guess we can ignore Itanium.)

Gerald
Jeff Law Dec. 6, 2013, 6:10 p.m. UTC | #2 
On 12/06/13 11:04, Gerald Pfeifer wrote:
> On Fri, 6 Dec 2013, H.J. Lu wrote:
>> This patch mentions  -mtune=intel in gcc-4.9/changes.html.
>> OK to install?
>
> Okay.  (I guess we can ignore Itanium.)
Seems like the best thing to do for sanity's sake.

jeff
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Patch

Index: gcc-4.9/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.9/changes.html,v
retrieving revision 1.45
diff -u -p -r1.45 changes.html
--- gcc-4.9/changes.html    5 Dec 2013 16:07:28 -0000    1.45
+++ gcc-4.9/changes.html    6 Dec 2013 17:38:57 -0000
@@ -399,6 +399,10 @@  auto incr = [](auto x) { return x++; };
       Intel Pentium-M, and Pentium4 based CPUs is no longer
considered important
       for generic.
     </li>
+    <li><code>-mtune=intel</code> can now be used to generate code running
+      well on the most current Intel processors, which are Haswell
+      and Silvermont for GCC 4.9.
+    </li>
     <li>Better inlining of <code>memcpy</code> and <code>memset</code>
     that is aware of value ranges and produces shorter alignment prologues.