unroll.c: Removed.

	* unroll.c: Removed.
	* loop.h: Removed.
	* Makefile.in (LOOP_H, unroll.o): Removed.
	(toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
	dependency.
	* alias.c (init_alias_analysis): Remove flag_old_unroll_loops
	reference.
	* cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
	* common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
	* loop.c: Do not include loop.h.
	(LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
	REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
	struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
	REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
	struct loop_regs, struct loop_movables, struct loop_info): Moved
	from loop.h.
	(back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
	reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
	find_common_reg_term, loop_iterations, final_giv_value): Moved
	from unroll.c.
	(uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
	loop_dump_stream, for_each_insn_in_loop, express_from,
	extend_value_for_giv, loop_iv_add_mult_emit_before,
	loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
	loop_insn_first_p, get_condition_for_loop,
	loop_insn_emit_before, loop_insn_hoist,
	loop_insn_sink): Made static.
	(loop_invariant_p): Made static.  Removed flag_old_unroll_loops
	reference.
	(strength_reduce): Do not call unroller.
	(record_giv): Do not initialize unrolled field.
	(prescan_loop): Do not set loop_info->preconditioned.
	* passes.c: Do not include loop.h.
	(rest_of_handle_loop_optimize): Do not call unroller.
	* predict.c: Do not include loop.h.
	* rtl.h (NOTE_PRECONDITIONED): Removed.
	* stmt.c: Do not include loop.h.
	* toplev.c: Do not include loop.h.
	(process_options): Do not handle flag_old_unroll_loops.

	* doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
	Documentation removed.
	* doc/passes.texi (unroll.c, loop.h): Documentation removed.

From-SVN: r87485

1 files changed, 3 insertions, 9 deletions

diff --git a/gcc/passes.c b/gcc/passes.c
index 9b4e783..986151b 100644
--- a/gcc/passes.c
+++ b/gcc/passes.c
@@ -60,7 +60,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "intl.h"
 #include "ggc.h"
 #include "graph.h"
-#include "loop.h"
 #include "regs.h"
 #include "timevar.h"
 #include "diagnostic.h"
@@ -1130,7 +1129,7 @@ rest_of_handle_gcse (void)
 static void
 rest_of_handle_loop_optimize (void)
 {
-  int do_unroll, do_prefetch;
+  int do_prefetch;
 
   timevar_push (TV_LOOP);
   delete_dead_jumptables ();
@@ -1140,10 +1139,6 @@ rest_of_handle_loop_optimize (void)
   /* CFG is no longer maintained up-to-date.  */
   free_bb_for_insn ();
 
-  if (flag_unroll_loops)
-    do_unroll = LOOP_AUTO_UNROLL;	/* Having two unrollers is useless.  */
-  else
-    do_unroll = flag_old_unroll_loops ? LOOP_UNROLL : LOOP_AUTO_UNROLL;
   do_prefetch = flag_prefetch_loop_arrays ? LOOP_PREFETCH : 0;
 
   if (flag_rerun_loop_opt)
@@ -1151,8 +1146,7 @@ rest_of_handle_loop_optimize (void)
       cleanup_barriers ();
 
       /* We only want to perform unrolling once.  */
-      loop_optimize (get_insns (), dump_file, do_unroll);
-      do_unroll = 0;
+      loop_optimize (get_insns (), dump_file, 0);
 
       /* The first call to loop_optimize makes some instructions
 	 trivially dead.  We delete those instructions now in the
@@ -1165,7 +1159,7 @@ rest_of_handle_loop_optimize (void)
       reg_scan (get_insns (), max_reg_num (), 1);
     }
   cleanup_barriers ();
-  loop_optimize (get_insns (), dump_file, do_unroll | do_prefetch);
+  loop_optimize (get_insns (), dump_file, do_prefetch);
 
   /* Loop can create trivially dead instructions.  */
   delete_trivially_dead_insns (get_insns (), max_reg_num ());