From: Michael Meissner <meissner@cygnus.com>
Date: Tue, 14 Apr 1998 13:20:50 +0000 (+0000)
Subject: If -Os, set MOVE_RATIO to 3, not 15
X-Git-Tag: prereleases/egcs-1.1-prerelease~1711
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=996d9dacc4ff00d5f8ff1cfbad6f9d4fc5005b99;p=thirdparty%2Fgcc.git

If -Os, set MOVE_RATIO to 3, not 15

From-SVN: r19209
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1c650545ec00..c1fa5eef9288 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+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.
diff --git a/gcc/expr.c b/gcc/expr.c
index c126520a0874..8dfcefb0d43a 100644
--- 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