tm.texi (FUNCTION_ARG): Document that the last call is special.

	* doc/tm.texi (FUNCTION_ARG): Document that the last call
	is special.

From-SVN: r43681

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0e45f90e1cb0d106c3f1efe416f51e8e56377953..8149242ae5e0c8eed99534d23f29fab2a26ce3d8 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2001-07-01  Geoffrey Keating  <geoffk@redhat.com>
+
+       * doc/tm.texi (FUNCTION_ARG): Document that the last call
+       is special.
+
 2001-07-01  Nathan Sidwell  <nathan@codesourcery.com>
 
        * tlink.c (recompile_files): Remove COMPILER_PATH and

diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
index 236b98dcf3c05a920d91bf26b5716da9d22827b1..89cd1429269c3000880d33075a9b17ac1a37d5f6 100644 (file)
--- a/gcc/doc/tm.texi
+++ b/gcc/doc/tm.texi
@@ -3215,6 +3215,10 @@ As a special exception the first @code{expr_list} in the @code{parallel}
 RTX may have a first operand of zero.  This indicates that the entire
 argument is also stored on the stack.
 
+The last time this macro is called, it is called with @code{MODE ==
+VOIDmode}, and its result is passed to the @code{call} or @code{call_value}
+pattern as operands 2 and 3 respectively.
+
 @cindex @file{stdarg.h} and register arguments
 The usual way to make the ISO library @file{stdarg.h} work on a machine
 where some arguments are usually passed in registers, is to cause