Patchwork [08/28] mn10300: Define the A and D constraints.

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Submitter Richard Henderson
Date Jan. 11, 2011, 7:21 p.m.
Message ID <4D2CADAE.6060808@redhat.com>
Download mbox | patch
Permalink /patch/78423/
State New
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Comments

Richard Henderson - Jan. 11, 2011, 7:21 p.m.
On 01/11/2011 10:12 AM, Jeff Law wrote:
> Oh, I mis-read what A had been used for.  I think documenting in the
> release notes is all we really need to do for this.

Ok?


r~
Gerald Pfeifer - Jan. 11, 2011, 8:50 p.m.
On Tue, 11 Jan 2011, Richard Henderson wrote:
>> Oh, I mis-read what A had been used for.  I think documenting in the
>> release notes is all we really need to do for this.
> Ok?

I cannot vouch for technical correctness, but text and markup look
good to me and it's easy to understand.

Gerald
Jeff Law - Jan. 12, 2011, 12:21 a.m.
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On 01/11/11 12:21, Richard Henderson wrote:
> On 01/11/2011 10:12 AM, Jeff Law wrote:
>> Oh, I mis-read what A had been used for.  I think documenting in the
>> release notes is all we really need to do for this.
> 
> Ok?
yes.
jeff
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Patch

Index: changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.6/changes.html,v
retrieving revision 1.85
diff -u -r1.85 changes.html
--- changes.html	9 Jan 2011 14:12:15 -0000	1.85
+++ changes.html	11 Jan 2011 19:19:13 -0000
@@ -597,6 +597,21 @@ 
     </li>
   </ul>
 
+<h3 id="mn10300">MN10300 / AM33</h3>
+  <ul>
+    <li>The inline assembly register constraint <code>"A"</code> has
+        been renamed <code>"c"</code>.  This constraint is used to
+        select a floating-point register that can be used as the
+        destination of a multiply-accumulate instruction.
+    </li>
+    <li>New inline assembly register constraints <code>"A"</code> and
+        <code>"D"</code> have been added.  These constraint letters
+        resolve to all general registers when compiling for AM33, and
+        resolve to address registers only or data registers only when
+        compiling for MN10300.
+    </li>
+  </ul>
+
 <h3 id="picochip">picochip</h3>
 
 <h3>PowerPC64</h3>