diff options
Diffstat (limited to 'gcc/doc/md.texi')
-rw-r--r-- | gcc/doc/md.texi | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi index 785675ca805..dc7663c5519 100644 --- a/gcc/doc/md.texi +++ b/gcc/doc/md.texi @@ -1257,7 +1257,9 @@ instruction is defined: @end smallexample @end ifset GCC can only handle one commutative pair in an asm; if you use more, -the compiler may fail. +the compiler may fail. Note that you need not use the modifier if +the two alternatives are strictly identical; this would only waste +time in the reload pass. @cindex @samp{#} in constraint @item # |