gengenrtl.c: Remove creation of unused macro.

[Neil Booth]

Ok?

Neil.

	* gengenrtl.c (gencode): Don't define obstack_alloc_rtx.

============================================================
Index: gcc/gengenrtl.c
*** gcc/gengenrtl.c	11 Jul 2002 10:32:54 -0000	1.57
--- gcc/gengenrtl.c	21 Jul 2002 18:58:15 -0000
*************** gencode ()
*** 337,346 ****
    puts ("#include \"rtl.h\"");
    puts ("#include \"ggc.h\"\n");
    puts ("extern struct obstack *rtl_obstack;\n");
-   puts ("#define obstack_alloc_rtx(n)					\\");
-   puts ("    ((rtx) obstack_alloc (rtl_obstack,				\\");
-   puts ("			  sizeof (struct rtx_def)		\\");
-   puts ("			  + ((n) - 1) * sizeof (rtunion)))\n");
  
    for (fmt = formats; *fmt != 0; fmt++)
      gendef (*fmt);
--- 337,342 ----