i386.c (reg_mentioned_in_mem): Don't abort when falling through default case in switch.

	* config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
	falling through default case in switch.
	(i386_aligned_p): Likewise.

From-SVN: r17860

gcc/ChangeLog

+1998-02-11  Mark Mitchell  <mmitchell@usa.net>
+
+	* config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
+	falling through default case in switch.
+	(i386_aligned_p): Likewise.
+
 Wed Feb 11 12:59:56 1998  Lee Iverson  <leei@Canada.AI.SRI.COM>
 
 	* mips/mips.h (mips_abi_string): Correct typo in comment.

gcc/config/i386/i386.c

@@ -495,7 +495,7 @@ i386_aligned_p (op)
       return i386_aligned_reg_p (REGNO (op));
     
     default:
-      abort ();
+      break;
     }
 
   return 0;
@@ -4828,7 +4828,7 @@ reg_mentioned_in_mem (reg, rtl)
     case SUBREG:
       return 0;
     default:
-      abort ();
+      break;
     }
 
   if (code == MEM && reg_mentioned_p (reg, rtl))