GPC and G77

Mon, 13 Jan 1997 17:16:22 +0100 (MET)

Hello!

If trying to build the gpc-2.0 with the gcc-2.7.2.1 with the GNU Fortran
enabled, will not run. There are some problems with the file toplev.c. Here is
a simple diff, which worked at mine.

--------cut--------------
diff -rcp2N gcc-2.7.2.1/toplev.c gcc-2.7.2.1.f.1/toplev.c
*** gpc-2.0/toplev.c		Fri Oct 20 17:56:35 1995
--- gpc-2.0.f.1/toplev.c	Mon Nov 11 15:02:33 1996
*************** int flag_unroll_loops;
*** 388,391 ****
--- 388,405 ----
  int flag_unroll_all_loops;
  
+ /* Nonzero forces all invariant computations in loops to be moved
+    outside the loop. */
+ 
+ int flag_move_all_movables = 0;
+ 
+ /* Nonzero forces all general induction variables in loops to be
+    strength reduced. */
+ 
+ int flag_reduce_all_givs = 0;
+ 
+ /* Nonzero gets another run of loop_optimize performed. */
+ 
+ int flag_rerun_loop_opt = 0;
+ 
  /* Nonzero for -fwritable-strings:
     store string constants in data segment and don't uniquize them.  */
*************** struct { char *string; int *variable; in
*** 542,545 ****
--- 556,562 ----
    {"unroll·loops", &flag_unroll_loops, 1},
    {"unroll-all·loops", &flag_unroll_all_loops, 1},
+   {"move-all-movables", &flag_move_all_movables, 1},
+   {"reduce-all-givs", &flag_reduce_all_givs, 1},
+   {"rerun-loop-opt", &flag_rerun_loop_opt, 1},
    {"writable-strings", &flag_writable_strings, 1},
    {"peephole", &flag_no_peephole, 0},
*************** rest_of_compilation (decl)
*** 2894,2897 ****
--- 2911,2916 ----
  	       {
  		 loop_optimize (insns, loop_dump_file);
+ 		 if (flag_rerun_loop_opt)
+ 		 	loop_optimize (insns, loop_dump_file);
  	       });
      }
--------------cut-------------

It's from the patch which came with GNU Fortran.

Bye, Nils
 
-- 
Nils Bokermann      
Johanneswerkstr. 90        Phone: +49 521 891279
33613 Bielefeld            FAX:   +49 521 550116
Germany			   "Wir wollen die Natur nicht erhalten --
			   Wir wollen nur ihre Dynamik nicht st"oren."
_______________________________________________________________________________

Nils Bokermann (nilsb@reality.owl.de)