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adding bignum support for 64-bit machines

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using gcc 128-bit register extensions to hold the result of
multpliying two 64-bit integers.
This commit is contained in:
Alex Shinn 2009-11-01 18:53:32 +09:00
parent 91efc04852
commit 445f8e9fa4
1 changed files with 7 additions and 0 deletions
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7
include/chibi/bignum.h
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@ -5,8 +5,15 @@
#ifndef SEXP_BIGNUM_H #ifndef SEXP_BIGNUM_H
#define SEXP_BIGNUM_H #define SEXP_BIGNUM_H
#if (SEXP_64_BIT)
typedef unsigned int uint128_t __attribute__((mode(TI)));
typedef int sint128_t __attribute__((mode(TI)));
typedef uint128_t sexp_luint_t;
typedef sint128_t sexp_lsint_t;
#else
typedef unsigned long long sexp_luint_t; typedef unsigned long long sexp_luint_t;
typedef long long sexp_lsint_t; typedef long long sexp_lsint_t;
#endif
sexp_sint_t sexp_bignum_compare (sexp a, sexp b); sexp_sint_t sexp_bignum_compare (sexp a, sexp b);
sexp sexp_compare (sexp ctx, sexp a, sexp b); sexp sexp_compare (sexp ctx, sexp a, sexp b);