From: Richard Kenner <kenner@gcc.gnu.org>
Date: Tue, 28 Jun 1994 09:33:48 +0000 (-0400)
Subject: (MEMORY_MOVE_COST): Make processor-dependent.
X-Git-Tag: misc/cutover-egcs-0~6366
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ab4a5fc941f08f7db76538aba22f91bc15fe7a17;p=thirdparty%2Fgcc.git

(MEMORY_MOVE_COST): Make processor-dependent.

From-SVN: r7577
---

diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index 947bc193f785..5b15aa9042b6 100644
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -485,7 +485,11 @@ extern char *rs6000_cpu_string;
 
    On the RS/6000, bump this up a bit.  */
 
-#define MEMORY_MOVE_COST(MODE)  6
+#define MEMORY_MOVE_COST(MODE)		\
+  ((GET_MODE_CLASS (MODE) == MODE_FLOAT	\
+    && (rs6000_cpu == PROCESSOR_RIOS1 || rs6000_cpu == PROCESSOR_PPC601) \
+    ? 3 : 2) \
+   + 4)
 
 /* Specify the cost of a branch insn; roughly the number of extra insns that
    should be added to avoid a branch.