[cxx-abi-dev] IEEE 754r half-precision fp mangling?

[scott douglass]

On Wed, 2008-06-11 at 15:57, Mark Mitchell wrote:
> scott douglass wrote:
> 
> > If 'Df', 'De' and 'Dr' are already (nearly?) in use, I think 'Dh' is the
> > more reasonable choice.  Unless there are objections, we'll start using
> > that.  Or do you think the DFP types are going to switch to 'u<letter>'?
> 
> No, let's just go with Dh; that seems simplest given where we are. 
> Scott, would you be so kind as to send in changes to the HTML document 
> to make that "official"?

No problem.  Here's a diff.  If I knew what the DFP sizes were, I'd put
them in as well.

--- /tmp/abi-orig.html	2008-06-11 16:13:17.000000000 +0100
+++ /tmp/abi.html	2008-06-11 16:22:57.000000000 +0100
@@ -4239,6 +4239,10 @@
 		 ::= e	# long double, __float80
 		 ::= g	# __float128
 		 ::= z	# ellipsis
+		 ::= De	# IEEE 754r decimal floating point (size?)
+		 ::= Df	# IEEE 754r decimal floating point (size?)
+		 ::= Dh	# IEEE 754r half-precision floating point (16 bits)
+		 ::= Dr	# IEEE 754r decimal floating point (size?)
 		 ::= u <source-name>	# vendor extended type
 
 </pre></font></code>
@@ -4969,6 +4973,11 @@
 is simply a identifying number.</p>
 
 <p>
+<font color=blue>[080614]</font>
+Add manglings for IEEE 754r decimal and half-precision floating point
types.
+</p>
+
+<p>
 <font color=blue>[071207]</font>
 Add mangling for rvalue references.
 </p>


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