function.c (purge_single_hard_subreg_set): Only check REGNO if the subreg was a hard register.

2001-04-10  Andrew MacLeod  <amacleod@redhat.com>

	* function.c (purge_single_hard_subreg_set): Only check REGNO if
	the subreg was a hard register. Pseudos are left as subregs.

From-SVN: r41217

gcc/ChangeLog

+2001-04-10  Andrew MacLeod  <amacleod@redhat.com>
+
+	* function.c (purge_single_hard_subreg_set): Only check REGNO if 
+	the subreg was a hard register. Pseudos are left as subregs.
+
 2001-04-29  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 
 	* Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.

gcc/function.c

@@ -3456,7 +3456,7 @@ purge_single_hard_subreg_set (pattern)
     }
 
 		  
-  if (REGNO (reg) < FIRST_PSEUDO_REGISTER)
+  if (GET_CODE (reg) == REG && REGNO (reg) < FIRST_PSEUDO_REGISTER)
     {
       reg = gen_rtx_REG (mode, REGNO (reg) + offset);
       SET_DEST (pattern) = reg;