2003-07-08  James E Wilson  <wilson@tuliptree.org>

	* loop.c (loop_iv_add_mult_emit_before): Call loop_regs_update before
	loop_insn_emit_before.
	(loop_iv_add_mult_sink, loop_iv_add_mult_hoist): Likewise.
	
Index: loop.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/loop.c,v
retrieving revision 1.462
diff -p -r1.462 loop.c
*** loop.c	6 Jul 2003 09:56:04 -0000	1.462
--- loop.c	9 Jul 2003 01:21:25 -0000
*************** loop_iv_add_mult_emit_before (const stru
*** 7737,7747 ****
    update_reg_last_use (b, before_insn);
    update_reg_last_use (m, before_insn);
  
-   loop_insn_emit_before (loop, before_bb, before_insn, seq);
- 
    /* It is possible that the expansion created lots of new registers.
!      Iterate over the sequence we just created and record them all.  */
    loop_regs_update (loop, seq);
  }
  
  
--- 7737,7748 ----
    update_reg_last_use (b, before_insn);
    update_reg_last_use (m, before_insn);
  
    /* It is possible that the expansion created lots of new registers.
!      Iterate over the sequence we just created and record them all.  We
!      must do this before inserting the sequence.  */
    loop_regs_update (loop, seq);
+ 
+   loop_insn_emit_before (loop, before_bb, before_insn, seq);
  }
  
  
*************** loop_iv_add_mult_sink (const struct loop
*** 7764,7774 ****
    update_reg_last_use (b, loop->sink);
    update_reg_last_use (m, loop->sink);
  
-   loop_insn_sink (loop, seq);
- 
    /* It is possible that the expansion created lots of new registers.
!      Iterate over the sequence we just created and record them all.  */
    loop_regs_update (loop, seq);
  }
  
  
--- 7765,7776 ----
    update_reg_last_use (b, loop->sink);
    update_reg_last_use (m, loop->sink);
  
    /* It is possible that the expansion created lots of new registers.
!      Iterate over the sequence we just created and record them all.  We
!      must do this before inserting the sequence.  */
    loop_regs_update (loop, seq);
+ 
+   loop_insn_sink (loop, seq);
  }
  
  
*************** loop_iv_add_mult_hoist (const struct loo
*** 7784,7794 ****
    /* Use copy_rtx to prevent unexpected sharing of these rtx.  */
    seq = gen_add_mult (copy_rtx (b), copy_rtx (m), copy_rtx (a), reg);
  
-   loop_insn_hoist (loop, seq);
- 
    /* It is possible that the expansion created lots of new registers.
!      Iterate over the sequence we just created and record them all.  */
    loop_regs_update (loop, seq);
  }
  
  
--- 7786,7797 ----
    /* Use copy_rtx to prevent unexpected sharing of these rtx.  */
    seq = gen_add_mult (copy_rtx (b), copy_rtx (m), copy_rtx (a), reg);
  
    /* It is possible that the expansion created lots of new registers.
!      Iterate over the sequence we just created and record them all.  We
!      must do this before inserting the sequence.  */
    loop_regs_update (loop, seq);
+ 
+   loop_insn_hoist (loop, seq);
  }