(MEMORY_MOVE_COST): Make processor-dependent.

From-SVN: r7577

(MEMORY_MOVE_COST): Make processor-dependent.
From-SVN: r7577
ab4a5fc9 · Richard Kenner · bfbc6416 · ab4a5fc9
Commit ab4a5fc9 authored Jun 28, 1994 by Richard Kenner
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gcc/config/rs6000/rs6000.h
+5 -1

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--- 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.