s390.h (CONDITIONAL_REGISTER_USAGE): Move body...

2004-05-03  Eric Christopher  <echristo@redhat.com>

	* config/s390/s390.h (CONDITIONAL_REGISTER_USAGE): Move body...
	* config/s390/s390.c (s390_conditional_register_usage): ...here.
	* config/s390/s390-protos.h: Prototype.

From-SVN: r81465

gcc/ChangeLog

+2004-05-03  Eric Christopher  <echristo@redhat.com>
+
+	* config/s390/s390.h (CONDITIONAL_REGISTER_USAGE): Move body...
+	* config/s390/s390.c (s390_conditional_register_usage): ...here.
+	* config/s390/s390-protos.h: Prototype.
+
 2004-05-03  Joe Buck <jbuck@welsh-buck.org>
 
 	* cppfiles.c (pchf_adder): Eliminate use of |= in d->have_once_only

gcc/config/s390/s390-protos.h

@@ -28,6 +28,7 @@ extern void s390_load_got (int);
 extern void s390_emit_prologue (void);
 extern void s390_emit_epilogue (bool);
 extern void s390_function_profiler (FILE *, int);
+extern void s390_conditional_register_usage (void);
 
 #ifdef RTX_CODE
 extern int s390_extra_constraint_str (rtx, int, const char *);

gcc/config/s390/s390.h

@@ -351,32 +351,7 @@ if (INTEGRAL_MODE_P (MODE) &&	        	    	\
   1, 1, 1, 1, 					\
   1, 1, 1 }
 
-#define CONDITIONAL_REGISTER_USAGE				\
-do								\
-  {								\
-    int i;							\
-								\
-    if (flag_pic)						\
-      {								\
-	fixed_regs[PIC_OFFSET_TABLE_REGNUM] = 1;		\
-	call_used_regs[PIC_OFFSET_TABLE_REGNUM] = 1;		\
-      }								\
-    if (TARGET_CPU_ZARCH)					\
-      {								\
-	fixed_regs[RETURN_REGNUM] = 0;				\
-	call_used_regs[RETURN_REGNUM] = 0;			\
-      }								\
-    if (TARGET_64BIT)						\
-      {								\
-        for (i = 24; i < 32; i++)				\
-	    call_used_regs[i] = call_really_used_regs[i] = 0;	\
-      }								\
-    else							\
-      {								\
-        for (i = 18; i < 20; i++)				\
-	    call_used_regs[i] = call_really_used_regs[i] = 0;	\
-      }								\
- } while (0)
+#define CONDITIONAL_REGISTER_USAGE s390_conditional_register_usage ()
 
 /* Preferred register allocation order.  */
 #define REG_ALLOC_ORDER                                         \