From 96a45535c32b2f22650347c5152dd0e791e8582d Mon Sep 17 00:00:00 2001
From: Michael Hayes <mhayes@redhat.com>
Date: Sun, 7 Jan 2001 10:38:29 +0000
Subject: hard-reg-set.h: Add multiple include guard.

	* hard-reg-set.h: Add multiple include guard.
	* basic-block.h (struct loop): Add `sink' field.
	* loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
	(emit_iv_add_mult): Delete.
	(loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
	(loop_iv_add_mult_emit_before, loop_insn_sink): Define.
	(unroll_loop): Remove end_insert_before argument.
	* loop.c (loop_givs_rescan): Remove end_insert_before argument.
	(maybe_eliminate_biv_1): Likewise.
	(emit_iv_add_mult): Delete.
	(gen_add_mult, loop_regs_update): New.
	(loop_insn_emit_after, loop_insn_emit_before): New.
	(loop_insn_sink, loop_insn_sink_or_swim): New.
	(emit_iv_add_mult): Delete.
	(scan_loop): Set loop->sink.
	(loop_givs_reduce): Use loop_insn_sink and its ilk.
	(loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
	(maybe_eliminate_biv_1): Likewise.
	(maybe_eliminate_biv_1): Add basic block argument.
	* unroll.c (unroll_loop): Remove end_insert_before argument.
	(find_splittable_regs): Likewise.
	(find_splittable_regs): Use loop_insn_sink and its ilk.
	(find_splittable_givs, final_biv_value, final_giv_value): Likewise.

From-SVN: r38766
---
 gcc/basic-block.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'gcc/basic-block.h')

diff --git a/gcc/basic-block.h b/gcc/basic-block.h
index a34dbb8..f86ff3c 100644
--- a/gcc/basic-block.h
+++ b/gcc/basic-block.h
@@ -365,6 +365,9 @@ struct loop
   /* Place in the loop where control enters.  */
   rtx scan_start;
 
+  /* The position where to sink insns out of the loop.  */
+  rtx sink;
+
   /* List of all LABEL_REFs which refer to code labels outside the
      loop.  Used by routines that need to know all loop exits, such as
      final_biv_value and final_giv_value.
-- 
cgit v1.1