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-rw-r--r--erts/emulator/beam/big.h28
1 files changed, 20 insertions, 8 deletions
diff --git a/erts/emulator/beam/big.h b/erts/emulator/beam/big.h
index b8e38d482c..25466cd3c2 100644
--- a/erts/emulator/beam/big.h
+++ b/erts/emulator/beam/big.h
@@ -1,19 +1,19 @@
/*
* %CopyrightBegin%
- *
- * Copyright Ericsson AB 1996-2009. All Rights Reserved.
- *
+ *
+ * Copyright Ericsson AB 1996-2010. All Rights Reserved.
+ *
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
- *
+ *
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
- *
+ *
* %CopyrightEnd%
*/
@@ -34,7 +34,7 @@
typedef Uint ErtsDigit;
-#if (SIZEOF_VOID_P == 4) && defined(SIZEOF_LONG_LONG) && (SIZEOF_LONG_LONG == 8)
+#if ((SIZEOF_VOID_P == 4) || HALFWORD_HEAP) && defined(SIZEOF_LONG_LONG) && (SIZEOF_LONG_LONG == 8)
/* Assume 32-bit machine with long long support */
typedef Uint64 ErtsDoubleDigit;
typedef Uint16 ErtsHalfDigit;
@@ -58,7 +58,7 @@ typedef Uint32 ErtsHalfDigit;
typedef Uint dsize_t; /* Vector size type */
-#define D_EXP (SIZEOF_VOID_P*8)
+#define D_EXP (ERTS_SIZEOF_ETERM*8)
#define D_MASK ((ErtsDigit)(-1)) /* D_BASE-1 */
/* macros for bignum objects */
@@ -88,7 +88,13 @@ typedef Uint dsize_t; /* Vector size type */
#define BIG_UINT_HEAP_SIZE (1 + 1) /* always, since sizeof(Uint) <= sizeof(Eterm) */
-#ifdef ARCH_32
+#if HALFWORD_HEAP
+#define BIG_UWORD_HEAP_SIZE(UW) (((UW) >> (sizeof(Uint) * 8)) ? 3 : 2)
+#else
+#define BIG_UWORD_HEAP_SIZE(UW) BIG_UINT_HEAP_SIZE
+#endif
+
+#if defined(ARCH_32) || HALFWORD_HEAP
#define ERTS_UINT64_BIG_HEAP_SIZE__(X) \
((X) >= (((Uint64) 1) << 32) ? (1 + 2) : (1 + 1))
@@ -136,6 +142,7 @@ int big_ucomp (Eterm, Eterm);
int big_to_double(Eterm x, double* resp);
Eterm small_to_big(Sint, Eterm*);
Eterm uint_to_big(Uint, Eterm*);
+Eterm uword_to_big(UWord, Eterm*);
Eterm erts_make_integer(Uint, Process *);
dsize_t big_bytes(Eterm);
@@ -143,7 +150,12 @@ Eterm bytes_to_big(byte*, dsize_t, int, Eterm*);
byte* big_to_bytes(Eterm, byte*);
int term_to_Uint(Eterm, Uint*);
+int term_to_UWord(Eterm, UWord*);
int term_to_Sint(Eterm, Sint*);
+#if HAVE_INT64
+int term_to_Uint64(Eterm, Uint64*);
+int term_to_Sint64(Eterm, Sint64*);
+#endif
Uint32 big_to_uint32(Eterm b);
int term_equals_2pow32(Eterm);