* doc/extend.texi (Decimal Floating Types): Update identifier of

	draft TR and list of missing support.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@144114 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8f65c785480ee232307fbac687615147305e865d..5ad6a550c21cd6d8b80fbc65d971a8711d514d3d 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+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

diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index 436a0693675b41197082da4462050fffba356de5..2a4aa56a2cfdd11c97015a6cdea31f24cd771049 100644 (file)
--- a/gcc/doc/extend.texi
+++ b/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}