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authorAnatoly Sokolov <aesok@post.ru>2011-03-19 20:33:45 +0300
committerAnatoly Sokolov <aesok@gcc.gnu.org>2011-03-19 20:33:45 +0300
commitf773c2bd761b15c79456aae0390b854ab5a7a1cd (patch)
tree65a46d02e15ddf767df696b9661692c68608064a /gcc/df-problems.c
parent458653cc067362d84835bc39bd849dcdb4c13127 (diff)
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cfgcleanup.c (mark_effect): Use bitmap_set_range/bitmap_clear_range instead of loop.
* cfgcleanup.c (mark_effect): Use bitmap_set_range/bitmap_clear_range instead of loop. Use HARD_REGISTER_NUM_P predicate. * haifa-sched.c (setup_ref_regs): Ditto. * caller-save.c (add_used_regs_1): Ditto. * dse.c (look_for_hardregs): Ditto. * df-problems.c (df_simulate_one_insn_forwards): Ditto. * sched-rgn.c (check_live_1): Ditto. From-SVN: r171183
Diffstat (limited to 'gcc/df-problems.c')
-rw-r--r--gcc/df-problems.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/gcc/df-problems.c b/gcc/df-problems.c
index 729cad5..0f398ba 100644
--- a/gcc/df-problems.c
+++ b/gcc/df-problems.c
@@ -1,6 +1,6 @@
/* Standard problems for dataflow support routines.
Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
- 2008, 2009, 2010 Free Software Foundation, Inc.
+ 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
Originally contributed by Michael P. Hayes
(m.hayes@elec.canterbury.ac.nz, mhayes@redhat.com)
Major rewrite contributed by Danny Berlin (dberlin@dberlin.org)
@@ -3774,12 +3774,9 @@ df_simulate_one_insn_forwards (basic_block bb, rtx insn, bitmap live)
{
rtx reg = XEXP (link, 0);
int regno = REGNO (reg);
- if (regno < FIRST_PSEUDO_REGISTER)
- {
- int n = hard_regno_nregs[regno][GET_MODE (reg)];
- while (--n >= 0)
- bitmap_clear_bit (live, regno + n);
- }
+ if (HARD_REGISTER_NUM_P (regno))
+ bitmap_clear_range (live, regno,
+ hard_regno_nregs[regno][GET_MODE (reg)]);
else
bitmap_clear_bit (live, regno);
}