PR optimization/6162

	* md.texi: Document restriction on commutative operand
	specification.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@58705 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 42e7d51..5181e2e 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2002-10-31  Nathanael Nerode  <neroden@gcc.gnu.org>
+
+       PR optimization/6162
+       * doc/md.texi: Document restriction on commutative operand
+       specification.
+
 2002-10-31  Eric Christopher  <echristo@redhat.com>
 
         * explow.c (convert_memory_address): Use shallow_copy_rtx.

diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index 0dbeb2b..c4501ee 100644 (file)
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -1256,6 +1256,8 @@ instruction is defined:
   @dots{})
 @end smallexample
 @end ifset
+GCC can only handle one commutative pair in an asm; if you use more, 
+the compiler may fail.
 
 @cindex @samp{#} in constraint
 @item #