If -Os, set MOVE_RATIO to 3, not 15

From-SVN: r19209

If -Os, set MOVE_RATIO to 3, not 15
From-SVN: r19209
996d9dac · Michael Meissner · Michael Meissner · ec8d6ddc · 996d9dac · 996d9dac
Commit 996d9dac authored Apr 14, 1998 by Michael Meissner Committed by Michael Meissner Apr 14, 1998
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gcc/ChangeLog
+4 -0

gcc/expr.c
+2 -3

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+Tue Apr 14 16:19:03 1998  Michael Meissner  <meissner@cygnus.com>
+
+	* expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
+
 Tue Apr 14 11:31:28 1998  Krister Walfridsson <cato@df.lth.se>

 	* i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.

--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -208,9 +208,8 @@ static char direct_store[NUM_MACHINE_MODES];
 #if defined (HAVE_movstrqi) || defined (HAVE_movstrhi) || defined (HAVE_movstrsi) || defined (HAVE_movstrdi) || defined (HAVE_movstrti)
 #define MOVE_RATIO 2
 #else
-/* A value of around 6 would minimize code size; infinity would minimize
-   execution time.  */
-#define MOVE_RATIO 15
+/* If we are optimizing for space (-Os), cut down the default move ratio */
+#define MOVE_RATIO (optimize_size ? 3 : 15)
 #endif
 #endif