Daily bump.

[pf3gnuchains/gcc-fork.git] / gcc / regs.h

diff --git a/gcc/regs.h b/gcc/regs.h
index 88fe9af..328b839 100644 (file)
--- a/gcc/regs.h
+++ b/gcc/regs.h
@@ -1,6 +1,6 @@
 /* Define per-register tables for data flow info and register allocation.
    Copyright (C) 1987, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2003, 2004, 2005, 2006, 2007, 2008 Free Software
+   1999, 2000, 2003, 2004, 2005, 2006, 2007, 2008, 2010 Free Software
    Foundation, Inc.
 
 This file is part of GCC.
@@ -44,7 +44,7 @@ extern int max_regno;
    regstat_init_n_sets_and_refs from the current values of
    DF_REG_DEF_COUNT and DF_REG_USE_COUNT.  REG_N_REFS and REG_N_SETS
    should only be used if a pass need to change these values in some
-   magical way or or the pass needs to have accurate values for these
+   magical way or the pass needs to have accurate values for these
    and is not using incremental df scanning.
 
    At the end of a pass that uses REG_N_REFS and REG_N_SETS, a call
@@ -397,4 +397,48 @@ overlaps_hard_reg_set_p (const HARD_REG_SET regs, enum machine_mode mode,
   return false;
 }
 
+/* Like add_to_hard_reg_set, but use a REGNO/NREGS range instead of
+   REGNO and MODE.  */
+
+static inline void
+add_range_to_hard_reg_set (HARD_REG_SET *regs, unsigned int regno,
+                          int nregs)
+{
+  while (nregs-- > 0)
+    SET_HARD_REG_BIT (*regs, regno + nregs);
+}
+
+/* Likewise, but remove the registers.  */
+
+static inline void
+remove_range_from_hard_reg_set (HARD_REG_SET *regs, unsigned int regno,
+                               int nregs)
+{
+  while (nregs-- > 0)
+    CLEAR_HARD_REG_BIT (*regs, regno + nregs);
+}
+
+/* Like overlaps_hard_reg_set_p, but use a REGNO/NREGS range instead of
+   REGNO and MODE.  */
+static inline bool
+range_overlaps_hard_reg_set_p (const HARD_REG_SET set, unsigned regno,
+                              int nregs)
+{
+  while (nregs-- > 0)
+    if (TEST_HARD_REG_BIT (set, regno + nregs))
+      return true;
+  return false;
+}
+
+/* Like in_hard_reg_set_p, but use a REGNO/NREGS range instead of
+   REGNO and MODE.  */
+static inline bool
+range_in_hard_reg_set_p (const HARD_REG_SET set, unsigned regno, int nregs)
+{
+  while (nregs-- > 0)
+    if (!TEST_HARD_REG_BIT (set, regno + nregs))
+      return false;
+  return true;
+}
+
 #endif /* GCC_REGS_H */