* doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.

From-SVN: r156595

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dd7b0b68a724c573c2b7d8c21c872197c0c8d31c..889e326d3241e9be03fbfe5101c91fac0fa140a9 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2010-02-08  Joern Rennecke  <joern.rennecke@embecosm.com>
+
+       * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
+
 2010-02-07  Adam Nemet  <adambnmet@gmail.com>
 
        * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment

diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
index e69b0e16b755069d7bc44720573c72978f77e17c..aae27c5f049acb7381200832edb1e6b2a7b9bf53 100644 (file)
--- a/gcc/doc/tm.texi
+++ b/gcc/doc/tm.texi
@@ -1424,6 +1424,11 @@ of shift instructions expanded to libgcc calls.  If not defined
 targets.
 @end deftypefn
 
+@deftypefn {Target Hook} {enum machine_mode} TARGET_UNWIND_WORD_MODE (void)
+Return machine mode to be used for @code{_Unwind_Word} type.
+The default is to use @code{word_mode}.
+@end deftypefn
+
 @defmac ROUND_TOWARDS_ZERO
 If defined, this macro should be true if the prevailing rounding
 mode is towards zero.