Hi Tamar,
On 16/01/18 10:04, Tamar Christina wrote:
Hi All,
This patch updates the GCC 8 release notes for ARM and AArch64.
Ok for cvs?
Thanks,
Tamar
--
<snip>
+ </li>
+ <li>
+ New Armv8.4-A FP16 Floating Point Multiplication Variant instructions have
been added. These instructions are
+ mandatory in Armv8.4-A but available as an optional extension to Armv8.2-A
and Armv8.3-A. The new extension
+ can be used by specifying the <code>+fp16fml</code> architectural
extension on Armv8.2-A and Armv8.3-A. On Armv8.4-A
+ the instructions can be enabled by specifying <code>+fp16</code>.
+ </li>
+ <li>
+ Support has been added for the following processors
+ (GCC identifiers in parentheses):
+ <ul>
+ <li>Arm Cortex-A75 (<code>cortex-a75</code>).</li>
+ <li>Arm Cortex-A55 (<code>cortex-a55</code>).</li>
+ <li>Arm Cortex-A55/Cortex-A75 DynamIQ big.LITTLE
(<code>cortex-a75.cortex-a55</code>).</li>
+ <li>Arm Cortex-R52 for Armv8-R (<code>cortex-r52</code>).</li>
+ </ul>
+ The GCC identifiers can be used
+ as arguments to the <code>-mcpu</code> or <code>-mtune</code> options,
+ for example: <code>-mcpu=cortex-a75</code> or
+ <code>-mtune=xgene1</code> or as arguments to the equivalent target
xgene1 was added a few releases ago, better to use one of the new additions
from the above list.
For example -mtune=cortex-r52.
With that nit the arm changes look ok to me.
Thanks for compiling this!
Kyrill
