genemit.c (DONE): Rework so that it works in the true arm if an if-else conditional.

        * genemit.c (DONE): Rework so that it works in the true arm if
        an if-else conditional.
        (FAIL): Likewise.

From-SVN: r18906

gcc/ChangeLog

+Mon Mar 30 00:21:03 1998  Jeffrey A Law  (law@cygnus.com)
+
+	* genemit.c (DONE): Rework so that it works in the true arm if
+	an if-else conditional.
+	(FAIL): Likewise.
+
 Sun Mar 29 12:45:23 1998  Jeffrey A Law  (law@cygnus.com)
 
 	* rs6000.c: Do not include stdioh or ctype.h anymore.

gcc/genemit.c

@@ -749,8 +749,8 @@ from the machine description file `md'.  */\n\n");
   printf ("extern char *insn_operand_constraint[][MAX_RECOG_OPERANDS];\n\n");
   printf ("extern rtx recog_operand[];\n");
   printf ("#define operands emit_operand\n\n");
-  printf ("#define FAIL {end_sequence (); return _val;}\n");
-  printf ("#define DONE {_val = gen_sequence (); end_sequence (); return _val;}\n");
+  printf ("#define FAIL do {end_sequence (); return _val;} while (0)\n");
+  printf ("#define DONE do {_val = gen_sequence (); end_sequence (); return _val;} while (0)\n");
 
   /* Read the machine description.  */