genattrtab.c: Make generated file use system.h, instead of including stdio.h, etc directly.

        * genattrtab.c: Make generated file use system.h, instead of
        including stdio.h, etc directly.
        * genextract.c, genopinit.c, genoutput.c: Likewise.
        * genpeep.c, genrecog.c: Likewise
        * genoutput.c (process_template): Mark operands in the generated
        function as potentially unused if compiling with GNU CC.

From-SVN: r18941

gcc/ChangeLog

 Wed Apr  1 22:26:22 1998  Jeffrey A Law  (law@cygnus.com)
 
+	* genattrtab.c: Make generated file use system.h, instead of
+	including stdio.h, etc directly.
+	* genextract.c, genopinit.c, genoutput.c: Likewise.
+	* genpeep.c, genrecog.c: Likewise
+
+	* genoutput.c (process_template): Mark operands in the generated
+	function as potentially unused if compiling with GNU CC.
+
 	* i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
 
 	* pa.md (reload peepholes): Remove unused variable "mode".

gcc/genattrtab.c

@@ -5953,7 +5953,7 @@ from the machine description file `md'.  */\n\n");
     expand_units ();
 
   printf ("#include \"config.h\"\n");
-  printf ("#include <stdio.h>\n");
+  printf ("#include \"system.h\"\n");
   printf ("#include \"rtl.h\"\n");
   printf ("#include \"insn-config.h\"\n");
   printf ("#include \"recog.h\"\n");

gcc/genemit.c

@@ -737,7 +737,7 @@ main (argc, argv)
 from the machine description file `md'.  */\n\n");
 
   printf ("#include \"config.h\"\n");
-  printf ("#include <stdio.h>\n");
+  printf ("#include \"system.h\"\n");
   printf ("#include \"rtl.h\"\n");
   printf ("#include \"expr.h\"\n");
   printf ("#include \"real.h\"\n");

gcc/genextract.c

@@ -437,7 +437,7 @@ main (argc, argv)
 from the machine description file `md'.  */\n\n");
 
   printf ("#include \"config.h\"\n");
-  printf ("#include <stdio.h>\n");
+  printf ("#include \"system.h\"\n");
   printf ("#include \"rtl.h\"\n\n");
 
   /* This variable exists only so it can be the "location"

gcc/genopinit.c

@@ -347,7 +347,7 @@ main (argc, argv)
 from the machine description file `md'.  */\n\n");
 
   printf ("#include \"config.h\"\n");
-  printf ("#include <stdio.h>\n");
+  printf ("#include \"system.h\"\n");
   printf ("#include \"rtl.h\"\n");
   printf ("#include \"flags.h\"\n");
   printf ("#include \"insn-flags.h\"\n");

gcc/genoutput.c

@@ -177,7 +177,7 @@ output_prologue ()
 from the machine description file `md'.  */\n\n");
 
   printf ("#include \"config.h\"\n");
-  printf ("#include <stdio.h>\n");
+  printf ("#include \"system.h\"\n");
   printf ("#include \"flags.h\"\n");
   printf ("#include \"rtl.h\"\n");
   printf ("#include \"regs.h\"\n");
@@ -562,8 +562,13 @@ process_template (d, template)
 
   printf ("\nstatic char *\n");
   printf ("output_%d (operands, insn)\n", d->code_number);
+  printf ("#ifdef __GNUC__\n");
+  printf ("     rtx *operands __attribute__ ((unused));\n");
+  printf ("     rtx insn __attribute__ ((unused));\n");
+  printf ("#else\n");
   printf ("     rtx *operands;\n");
   printf ("     rtx insn;\n");
+  printf ("#endif\n");
   printf ("{\n");
 
   /* If the assembler code template starts with a @ it is a newline-separated

gcc/genpeep.c

@@ -450,7 +450,7 @@ main (argc, argv)
 from the machine description file `md'.  */\n\n");
 
   printf ("#include \"config.h\"\n");
-  printf ("#include <stdio.h>\n");
+  printf ("#include \"system.h\"\n");
   printf ("#include \"rtl.h\"\n");
   printf ("#include \"regs.h\"\n");
   printf ("#include \"output.h\"\n");

gcc/genrecog.c

@@ -1716,7 +1716,7 @@ main (argc, argv)
 from the machine description file `md'.  */\n\n");
 
   printf ("#include \"config.h\"\n");
-  printf ("#include <stdio.h>\n");
+  printf ("#include \"system.h\"\n");
   printf ("#include \"rtl.h\"\n");
   printf ("#include \"insn-config.h\"\n");
   printf ("#include \"recog.h\"\n");