X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2Fdouble-int.h;h=65d25ef04cbec5d6bad95625c8114620c8eb21cd;hp=e82c37ee6d28e67dfdaccfc0a70eefaf71df0409;hb=8a34e80eea6c9025304dc67ac3b8bce9ede56774;hpb=1f1872fdb0abb413ab6da9fd4f6adce363673c02

diff --git a/gcc/double-int.h b/gcc/double-int.h
index e82c37ee6d2..65d25ef04cb 100644
--- a/gcc/double-int.h
+++ b/gcc/double-int.h
@@ -1,18 +1,18 @@
 /* Operations with long integers.
-   Copyright (C) 2006, 2007 Free Software Foundation, Inc.
-   
+   Copyright (C) 2006, 2007, 2008, 2010 Free Software Foundation, Inc.
+
 This file is part of GCC.
-   
+
 GCC is free software; you can redistribute it and/or modify it
 under the terms of the GNU General Public License as published by the
 Free Software Foundation; either version 3, or (at your option) any
 later version.
-   
+
 GCC is distributed in the hope that it will be useful, but WITHOUT
 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 for more details.
-   
+
 You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING3.  If not see
 <http://www.gnu.org/licenses/>.  */
@@ -20,7 +20,9 @@ along with GCC; see the file COPYING3.  If not see
 #ifndef DOUBLE_INT_H
 #define DOUBLE_INT_H
 
+#ifndef GENERATOR_FILE
 #include <gmp.h>
+#endif
 #include "coretypes.h"
 
 /* A large integer is currently represented as a pair of HOST_WIDE_INTs.
@@ -55,14 +57,10 @@ typedef struct
   HOST_WIDE_INT high;
 } double_int;
 
-union tree_node;
+#define HOST_BITS_PER_DOUBLE_INT (2 * HOST_BITS_PER_WIDE_INT)
 
 /* Constructors and conversions.  */
 
-union tree_node *double_int_to_tree (union tree_node *, double_int);
-bool double_int_fits_to_tree_p (const union tree_node *, double_int);
-double_int tree_to_double_int (const union tree_node *);
-
 /* Constructs double_int from integer CST.  The bits over the precision of
    HOST_WIDE_INT are filled with the sign bit.  */
 
@@ -70,7 +68,7 @@ static inline double_int
 shwi_to_double_int (HOST_WIDE_INT cst)
 {
   double_int r;
-  
+
   r.low = (unsigned HOST_WIDE_INT) cst;
   r.high = cst < 0 ? -1 : 0;
 
@@ -92,7 +90,7 @@ static inline double_int
 uhwi_to_double_int (unsigned HOST_WIDE_INT cst)
 {
   double_int r;
-  
+
   r.low = cst;
   r.high = 0;
 
@@ -125,7 +123,30 @@ double_int double_int_umod (double_int, double_int, unsigned);
 double_int double_int_divmod (double_int, double_int, bool, unsigned, double_int *);
 double_int double_int_sdivmod (double_int, double_int, unsigned, double_int *);
 double_int double_int_udivmod (double_int, double_int, unsigned, double_int *);
-bool double_int_negative_p (double_int);
+double_int double_int_setbit (double_int, unsigned);
+
+/* Logical operations.  */
+static inline double_int
+double_int_not (double_int a)
+{
+  a.low = ~a.low;
+  a.high = ~ a.high;
+  return a;
+}
+
+/* Shift operations.  */
+double_int double_int_lshift (double_int, HOST_WIDE_INT, unsigned int, bool);
+double_int double_int_rshift (double_int, HOST_WIDE_INT, unsigned int, bool);
+
+/* Returns true if CST is negative.  Of course, CST is considered to
+   be signed.  */
+
+static inline bool
+double_int_negative_p (double_int cst)
+{
+  return cst.high < 0;
+}
+
 int double_int_cmp (double_int, double_int, bool);
 int double_int_scmp (double_int, double_int);
 int double_int_ucmp (double_int, double_int);
@@ -176,10 +197,52 @@ double_int_equal_p (double_int cst1, double_int cst2)
   return cst1.low == cst2.low && cst1.high == cst2.high;
 }
 
+
+/* Legacy interface with decomposed high/low parts.  */
+
+extern tree force_fit_type_double (tree, unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+				   int, bool);
+extern int fit_double_type (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+			    unsigned HOST_WIDE_INT *, HOST_WIDE_INT *,
+			    const_tree);
+extern int add_double_with_sign (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+				 unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+				 unsigned HOST_WIDE_INT *, HOST_WIDE_INT *,
+				 bool);
+#define add_double(l1,h1,l2,h2,lv,hv) \
+  add_double_with_sign (l1, h1, l2, h2, lv, hv, false)
+extern int neg_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+		       unsigned HOST_WIDE_INT *, HOST_WIDE_INT *);
+extern int mul_double_with_sign (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+				 unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+				 unsigned HOST_WIDE_INT *, HOST_WIDE_INT *,
+				 bool);
+#define mul_double(l1,h1,l2,h2,lv,hv) \
+  mul_double_with_sign (l1, h1, l2, h2, lv, hv, false)
+extern void lshift_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+			   HOST_WIDE_INT, unsigned int,
+			   unsigned HOST_WIDE_INT *, HOST_WIDE_INT *, bool);
+extern void rshift_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+			   HOST_WIDE_INT, unsigned int,
+			   unsigned HOST_WIDE_INT *, HOST_WIDE_INT *, bool);
+extern void lrotate_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+			    HOST_WIDE_INT, unsigned int,
+			    unsigned HOST_WIDE_INT *, HOST_WIDE_INT *);
+extern void rrotate_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+			    HOST_WIDE_INT, unsigned int,
+			    unsigned HOST_WIDE_INT *, HOST_WIDE_INT *);
+extern int div_and_round_double (unsigned, int, unsigned HOST_WIDE_INT,
+				 HOST_WIDE_INT, unsigned HOST_WIDE_INT,
+				 HOST_WIDE_INT, unsigned HOST_WIDE_INT *,
+				 HOST_WIDE_INT *, unsigned HOST_WIDE_INT *,
+				 HOST_WIDE_INT *);
+
+
+#ifndef GENERATOR_FILE
 /* Conversion to and from GMP integer representations.  */
 
 void mpz_set_double_int (mpz_t, double_int, bool);
 double_int mpz_get_double_int (const_tree, mpz_t, bool);
-
+#endif
 
 #endif /* DOUBLE_INT_H */