emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.

        * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
        * cpplib.h: Protect from multiple inclusions.
        * cpplib.c: Fix minor formatting problems.

From-SVN: r22937

gcc/ChangeLog

+Thu Oct  8 21:59:47 1998  Dave Brolley  <brolley@cygnus.com>
+
+	* emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
+
 Thu Oct  8 22:03:45 1998  David Edelsohn  <edelsohn@mhpcc.edu>
 
 	* rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
@@ -9,6 +13,9 @@ Thu Oct  8 17:00:18 1998  Richard Henderson  <rth@cygnus.com>
 
 Thu Oct  8 17:15:04 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* cpplib.h: Protect from multiple inclusions.
+	* cpplib.c: Fix minor formatting problems.
+
 	* i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
 
 	* jump.c (jump_optimize): Revert accidental patch.

gcc/cpplib.c

@@ -6511,7 +6511,7 @@ cpp_handle_option (pfile, argc, argv)
     case 't':
       if (!strcmp (argv[i], "-traditional")) {
 	opts->traditional = 1;
-        opts->cplusplus_comments = 0;
+	opts->cplusplus_comments = 0;
       } else if (!strcmp (argv[i], "-trigraphs")) {
 	if (!opts->chill)
 	  opts->no_trigraphs = 0;
@@ -6816,7 +6816,7 @@ cpp_handle_option (pfile, argc, argv)
 	opts->out_fname = "";
 	break;
       }	/* else fall through into error */
-      
+
     default:
       return i;
     }

gcc/cpplib.h

@@ -19,6 +19,8 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  In other words, you are welcome to use, share and improve this program.
  You are forbidden to forbid anyone else to use, share and improve
  what you give them.   Help stamp out software-hoarding!  */
+#ifndef __GCC_CPPLIB__
+#define __GCC_CPPLIB__
 
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -686,3 +688,5 @@ extern void cpp_print_containing_files PROTO ((cpp_reader *));
 #ifdef __cplusplus
 }
 #endif
+#endif /* __GCC_CPPLIB__ */
+

gcc/emit-rtl.c

@@ -3565,6 +3565,14 @@ init_emit_once (line_numbers)
 #ifdef PIC_OFFSET_TABLE_REGNUM
   pic_offset_table_rtx = gen_rtx_REG (Pmode, PIC_OFFSET_TABLE_REGNUM);
 #endif
+
+#ifdef INIT_EXPANDERS
+  /* This is to initialize save_machine_status and restore_machine_status before
+     the first call to push_function_context_to.  This is needed by the Chill
+     front end which calls push_function_context_to before the first cal to
+     init_function_start.  */
+  INIT_EXPANDERS;
+#endif
 }
 
 /* Query and clear/ restore no_line_numbers.  This is used by the