re PR inline-asm/6162 (i386 asm reloader ice in reload_cse_simplify_operands)
authorNathanael Nerode <neroden@gcc.gnu.org>
Fri, 1 Nov 2002 07:05:57 +0000 (07:05 +0000)
committerNathanael Nerode <neroden@gcc.gnu.org>
Fri, 1 Nov 2002 07:05:57 +0000 (07:05 +0000)
PR optimization/6162
* md.texi: Document restriction on commutative operand
specification.

From-SVN: r58705

gcc/ChangeLog
gcc/doc/md.texi

index 42e7d5105928208bea63eeafbc4ab78b6454aa69..5181e2eb2ce06e24cac3a628c5b04bcf864db596 100644 (file)
@@ -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.
index 0dbeb2b120c40e0a0277848092bd849c6b702290..c4501ee889580fb23eb176038b278191ea790ddd 100644 (file)
@@ -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 #