* expr.c: Corrected comment about what MOVE_RATIO does.

[pf3gnuchains/gcc-fork.git] / gcc / config / clipper / clipper.h

diff --git a/gcc/config/clipper/clipper.h b/gcc/config/clipper/clipper.h
index 407caa2..8ce8c47 100644 (file)
--- a/gcc/config/clipper/clipper.h
+++ b/gcc/config/clipper/clipper.h
@@ -815,8 +815,10 @@ do                                                                       \
    in one reasonably fast instruction.  */
 #define MOVE_MAX 4
 
-/* MOVE_RATIO is the number of move instructions that is better than a
-   block move.  Make this large on clipper, since the block move is very
+/* If a memory-to-memory move would take MOVE_RATIO or more simple
+   move-instruction pairs, we will do a movstr or libcall instead.
+
+   Make this large on clipper, since the block move is very
    inefficient with small blocks, and the hard register needs of the
    block move require much reload work. */