68 lines
3.0 KiB
C
68 lines
3.0 KiB
C
/**************************************************************************/
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/* */
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/* OCaml */
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/* */
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/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
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/* */
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/* Copyright 2002 Institut National de Recherche en Informatique et */
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/* en Automatique. */
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/* */
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/* All rights reserved. This file is distributed under the terms of */
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/* the GNU Lesser General Public License version 2.1, with the */
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/* special exception on linking described in the file LICENSE. */
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/* */
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/**************************************************************************/
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/* Wrapper macros around native 64-bit integer arithmetic,
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so that it has the same interface as the software emulation
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provided in int64_emul.h */
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#ifndef CAML_INT64_NATIVE_H
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#define CAML_INT64_NATIVE_H
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#ifdef CAML_INTERNALS
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#define I64_literal(hi,lo) ((int64_t)(hi) << 32 | (lo))
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#define I64_split(x,hi,lo) (hi = (uint32_t)((x)>>32), lo = (uint32_t)(x))
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#define I64_compare(x,y) (((x) > (y)) - ((x) < (y)))
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#define I64_ult(x,y) ((uint64_t)(x) < (uint64_t)(y))
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#define I64_neg(x) (-(x))
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#define I64_add(x,y) ((x) + (y))
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#define I64_sub(x,y) ((x) - (y))
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#define I64_mul(x,y) ((x) * (y))
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#define I64_is_zero(x) ((x) == 0)
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#define I64_is_negative(x) ((x) < 0)
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#define I64_is_min_int(x) ((x) == ((int64_t)1 << 63))
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#define I64_is_minus_one(x) ((x) == -1)
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#define I64_div(x,y) ((x) / (y))
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#define I64_mod(x,y) ((x) % (y))
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#define I64_udivmod(x,y,quo,rem) \
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(*(rem) = (uint64_t)(x) % (uint64_t)(y), \
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*(quo) = (uint64_t)(x) / (uint64_t)(y))
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#define I64_and(x,y) ((x) & (y))
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#define I64_or(x,y) ((x) | (y))
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#define I64_xor(x,y) ((x) ^ (y))
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#define I64_lsl(x,y) ((x) << (y))
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#define I64_asr(x,y) ((x) >> (y))
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#define I64_lsr(x,y) ((uint64_t)(x) >> (y))
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#define I64_to_intnat(x) ((intnat) (x))
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#define I64_of_intnat(x) ((intnat) (x))
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#define I64_to_int32(x) ((int32_t) (x))
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#define I64_of_int32(x) ((int64_t) (x))
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#define I64_to_double(x) ((double)(x))
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#define I64_of_double(x) ((int64_t)(x))
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#define I64_bswap(x) ((((x) & 0x00000000000000FFULL) << 56) | \
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(((x) & 0x000000000000FF00ULL) << 40) | \
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(((x) & 0x0000000000FF0000ULL) << 24) | \
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(((x) & 0x00000000FF000000ULL) << 8) | \
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(((x) & 0x000000FF00000000ULL) >> 8) | \
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(((x) & 0x0000FF0000000000ULL) >> 24) | \
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(((x) & 0x00FF000000000000ULL) >> 40) | \
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(((x) & 0xFF00000000000000ULL) >> 56))
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#endif /* CAML_INTERNALS */
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#endif /* CAML_INT64_NATIVE_H */
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