re PR target/53040 (nested functions may trash floating point registers)

	PR target/53040
	* config/rs6000/rs6000.c (rs6000_savres_strategy): When using
	static chain, set REST_INLINE_FPRS too.

From-SVN: r186616

gcc/ChangeLog

+2012-04-20  Alan Modra  <amodra@gmail.com>
+
+	PR target/53040
+	* config/rs6000/rs6000.c (rs6000_savres_strategy): When using
+	static chain, set REST_INLINE_FPRS too.
+
 2012-04-20  Thomas Schwinge  <thomas@codesourcery.com>
 
 	* tree-dump.c (dequeue_and_dump) <BIT_FIELD_REF>: Dump the three child

gcc/config/rs6000/rs6000.c

@@ -17457,8 +17457,9 @@ rs6000_savres_strategy (rs6000_stack_t *info,
      static chain is rarely used anyway.  FPRs are saved w.r.t the stack
      pointer on Darwin.  */
   if (using_static_chain_p)
-    strategy |= (DEFAULT_ABI == ABI_DARWIN ? 0 : SAVE_INLINE_FPRS)
-		| SAVE_INLINE_GPRS;
+    strategy |= ((DEFAULT_ABI == ABI_DARWIN
+		  ? 0 : SAVE_INLINE_FPRS | REST_INLINE_FPRS)
+		 | SAVE_INLINE_GPRS);
 
   /* If we are going to use store multiple, then don't even bother
      with the out-of-line routines, since the store-multiple