extend.texi (Decimal Floating Types): Update identifier of draft TR and list of missing support.

	* doc/extend.texi (Decimal Floating Types): Update identifier of
	draft TR and list of missing support.

From-SVN: r144114

gcc/ChangeLog

+2009-02-11  Janis Johnson  <janis187@us.ibm.com>
+
+	* doc/extend.texi (Decimal Floating Types): Update identifier of
+	draft TR and list of missing support.
+
 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/39154

gcc/doc/extend.texi

@@ -930,7 +930,7 @@ is supported on x86_64 and ia64 targets.
 @cindex @code{DL} integer suffix
 
 As an extension, the GNU C compiler supports decimal floating types as
-defined in the N1176 draft of ISO/IEC WDTR24732.  Support for decimal
+defined in the N1312 draft of ISO/IEC WDTR24732.  Support for decimal
 floating types in GCC will evolve as the draft technical report changes.
 Calling conventions for any target might also change.  Not all targets
 support decimal floating types.
@@ -953,12 +953,21 @@ is incomplete:
 
 @itemize @bullet
 @item
-Translation time data type (TTDT) is not supported.
+Pragma @code{FLOAT_CONST_DECIMAL64} is not supported, nor is the @samp{d}
+suffix for literal constants of type @code{double}.
 
 @item
 When the value of a decimal floating type cannot be represented in the
 integer type to which it is being converted, the result is undefined
 rather than the result value specified by the draft technical report.
+
+@item
+GCC does not provide the C library functionality associated with
+@file{math.h}, @file{fenv.h}, @file{stdio.h}, @file{stdlib.h}, and
+@file{wchar.h}, which must come from a separate C library implementation.
+Because of this the GNU C compiler does not define macro
+@code{__STDC_DEC_FP__} to indicate that the implementation conforms to
+the technical report.
 @end itemize
 
 Types @code{_Decimal32}, @code{_Decimal64}, and @code{_Decimal128}