diff options
Diffstat (limited to 'erts/emulator/beam/big.h')
-rw-r--r-- | erts/emulator/beam/big.h | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/erts/emulator/beam/big.h b/erts/emulator/beam/big.h index 4e4611de16..94f9bce10e 100644 --- a/erts/emulator/beam/big.h +++ b/erts/emulator/beam/big.h @@ -3,16 +3,17 @@ * * Copyright Ericsson AB 1996-2014. 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/. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at * - * 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. + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. * * %CopyrightEnd% */ @@ -34,7 +35,7 @@ typedef Uint ErtsDigit; -#if ((SIZEOF_VOID_P == 4) || HALFWORD_HEAP) && defined(SIZEOF_LONG_LONG) && (SIZEOF_LONG_LONG == 8) +#if (SIZEOF_VOID_P == 4) && defined(SIZEOF_LONG_LONG) && (SIZEOF_LONG_LONG == 8) /* Assume 32-bit machine with long long support */ typedef Uint64 ErtsDoubleDigit; typedef Uint16 ErtsHalfDigit; @@ -85,16 +86,13 @@ typedef Uint dsize_t; /* Vector size type */ /* The heap size needed for a bignum */ #define BIG_NEED_SIZE(x) ((x) + 1) +#define BIG_NEED_FOR_BITS(bits) BIG_NEED_SIZE(((bits)-1)/D_EXP + 1) #define BIG_UINT_HEAP_SIZE (1 + 1) /* always, since sizeof(Uint) <= sizeof(Eterm) */ -#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 +#if defined(ARCH_32) #define ERTS_UINT64_BIG_HEAP_SIZE__(X) \ ((X) >= (((Uint64) 1) << 32) ? (1 + 2) : (1 + 1)) @@ -176,4 +174,3 @@ Eterm erts_sint64_to_big(Sint64, Eterm **); Eterm erts_chars_to_integer(Process *, char*, Uint, const int); #endif - |