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[AArch64] Remove crypto extension from default for cortex-a53, cortex-a57

Message ID alpine.LSU.2.11.1411250235180.13258@tuna.site
State New
Headers show

Commit Message

Gerald Pfeifer Nov. 25, 2014, 1:36 a.m. UTC 
On Tuesday 2014-11-18 09:38, Kyrill Tkachov wrote:
> Here's what I propose.

+     <li> The cryptographic extensions to the ARMv8-A architecture are no
+       longer enabled by default when specifying the
+       <code>-mcpu=cortex-a53</code>, <code>-mcpu=cortex-a57</code> or
+       <code>-mcpu=cortex-a57.cortex-a53</code> options.  To enable these
+       extensions add the <code>+crypto</code> extension to your given
+       <code>-mcpu</code> or <code>-march</code> options' value.

"option's"?

Or better "to the value of your...option(s)"?

The description talks about -mcpu and mentions -march only once.
Isn't this a bit confusing?

Gerald
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Patch

Index: htdocs/gcc-5/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-5/changes.html,v
retrieving revision 1.23
diff -U 3 -r1.23 changes.html
--- htdocs/gcc-5/changes.html	14 Nov 2014 10:49:51 -0000	1.23
+++ htdocs/gcc-5/changes.html	17 Nov 2014 17:46:41 -0000
@@ -257,6 +257,13 @@ 
        Alternatively it can be enabled by default by configuring GCC with the
        <code>--enable-fix-cortex-a53-835769</code> option.
      </li>
+     <li> The cryptographic extensions to the ARMv8-A architecture are no
+       longer enabled by default when specifying the
+       <code>-mcpu=cortex-a53</code>, <code>-mcpu=cortex-a57</code> or
+       <code>-mcpu=cortex-a57.cortex-a53</code> options.  To enable these
+       extensions add the <code>+crypto</code> extension to your given
+       <code>-mcpu</code> or <code>-march</code> options' value.
+     </li>
 
    </ul>