* regset.h (fixed_reg_set_regset): Declare.

        * dse.c: Include regset.h .
        (struct insn_info): Add member fixed_regs_live.
        (note_add_store_info): New typedef.
        (note_add_store): New function.
        (emit_inc_dec_insn_before): Expect arg to be of type insn_info_t .
        Use gen_add3_insn / gen_move_insn.
        Check new insn for unwanted clobbers before emitting it.
        (check_for_inc_dec): Rename to...
        (check_for_inc_dec_1:) ... this.  Return bool.  Take insn_info
        parameter.  Changed all callers in file.
        (check_for_inc_dec, copy_fixed_regs): New functions.
        (scan_insn): Set fixed_regs_live field of insn_info.
        * rtl.h (check_for_inc_dec): Update prototype.
        * postreload.c (reload_cse_simplify): Take new signature of
        check_ind_dec into account.
        * reginfo.c (fixed_reg_set_regset): New variable.
        (init_reg_sets_1): Initialize it.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@181046 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 4 insertions, 1 deletions

diff --git a/gcc/regset.h b/gcc/regset.h
index 75082a06322..af807b03597 100644
--- a/gcc/regset.h
+++ b/gcc/regset.h
@@ -1,6 +1,6 @@
 /* Define regsets.
    Copyright (C) 1987, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-   2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+   2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -115,6 +115,9 @@ typedef bitmap_iterator reg_set_iterator;
 
 extern regset regs_invalidated_by_call_regset;
 
+/* Same information as FIXED_REG_SET but in regset form.  */
+extern regset fixed_reg_set_regset;
+
 /* An obstack for regsets.  */
 extern bitmap_obstack reg_obstack;