mirror of git://gcc.gnu.org/git/gcc.git
182 lines
5.5 KiB
C
182 lines
5.5 KiB
C
/* Include file for internal GNU MP types and definitions.
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Copyright (C) 1991, 1993, 1994, 1995, 1996, 2011 Free Software Foundation, Inc.
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This file is part of the GNU MP Library.
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The GNU MP Library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version.
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The GNU MP Library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with the GNU MP Library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA. */
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#include <stdlib.h>
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#include "quadmath-imp.h"
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#undef alloca
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#define alloca __builtin_alloca
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#define ABS(x) (x >= 0 ? x : -x)
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#ifndef MIN
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#define MIN(l,o) ((l) < (o) ? (l) : (o))
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#endif
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#ifndef MAX
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#define MAX(h,i) ((h) > (i) ? (h) : (i))
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#endif
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#define BITS_PER_MP_LIMB (__SIZEOF_LONG__ * __CHAR_BIT__)
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#define BYTES_PER_MP_LIMB (BITS_PER_MP_LIMB / __CHAR_BIT__)
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typedef unsigned long int mp_limb_t;
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typedef long int mp_limb_signed_t;
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typedef mp_limb_t * mp_ptr;
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typedef const mp_limb_t * mp_srcptr;
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typedef long int mp_size_t;
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typedef long int mp_exp_t;
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/* Define stuff for longlong.h. */
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typedef unsigned int UQItype __attribute__ ((mode (QI)));
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typedef int SItype __attribute__ ((mode (SI)));
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typedef unsigned int USItype __attribute__ ((mode (SI)));
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typedef int DItype __attribute__ ((mode (DI)));
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typedef unsigned int UDItype __attribute__ ((mode (DI)));
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typedef mp_limb_t UWtype;
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typedef unsigned int UHWtype;
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#define W_TYPE_SIZE BITS_PER_MP_LIMB
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#ifdef HAVE_HIDDEN_VISIBILITY
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#define attribute_hidden __attribute__((__visibility__ ("hidden")))
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#else
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#define attribute_hidden
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#endif
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#include "longlong.h"
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/* Copy NLIMBS *limbs* from SRC to DST. */
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#define MPN_COPY_INCR(DST, SRC, NLIMBS) \
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do { \
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mp_size_t __i; \
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for (__i = 0; __i < (NLIMBS); __i++) \
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(DST)[__i] = (SRC)[__i]; \
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} while (0)
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#define MPN_COPY_DECR(DST, SRC, NLIMBS) \
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do { \
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mp_size_t __i; \
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for (__i = (NLIMBS) - 1; __i >= 0; __i--) \
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(DST)[__i] = (SRC)[__i]; \
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} while (0)
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#define MPN_COPY MPN_COPY_INCR
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/* Zero NLIMBS *limbs* AT DST. */
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#define MPN_ZERO(DST, NLIMBS) \
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do { \
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mp_size_t __i; \
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for (__i = 0; __i < (NLIMBS); __i++) \
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(DST)[__i] = 0; \
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} while (0)
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#define MPN_MUL_N_RECURSE(prodp, up, vp, size, tspace) \
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do { \
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if ((size) < KARATSUBA_THRESHOLD) \
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impn_mul_n_basecase (prodp, up, vp, size); \
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else \
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impn_mul_n (prodp, up, vp, size, tspace); \
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} while (0);
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#define __MPN(x) __quadmath_mpn_##x
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/* Internal mpn calls */
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#define impn_mul_n_basecase __MPN(impn_mul_n_basecase)
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#define impn_mul_n __MPN(impn_mul_n)
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/* Prototypes for internal mpn calls. */
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void impn_mul_n_basecase (mp_ptr prodp, mp_srcptr up, mp_srcptr vp,
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mp_size_t size) attribute_hidden;
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void impn_mul_n (mp_ptr prodp, mp_srcptr up, mp_srcptr vp, mp_size_t size,
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mp_ptr tspace) attribute_hidden;
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#define mpn_add_n __MPN(add_n)
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#define mpn_addmul_1 __MPN(addmul_1)
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#define mpn_cmp __MPN(cmp)
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#define mpn_divrem __MPN(divrem)
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#define mpn_lshift __MPN(lshift)
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#define mpn_mul __MPN(mul)
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#define mpn_mul_1 __MPN(mul_1)
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#define mpn_rshift __MPN(rshift)
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#define mpn_sub_n __MPN(sub_n)
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#define mpn_submul_1 __MPN(submul_1)
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mp_limb_t mpn_add_n (mp_ptr, mp_srcptr, mp_srcptr, mp_size_t)
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attribute_hidden;
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mp_limb_t mpn_addmul_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t)
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attribute_hidden;
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int mpn_cmp (mp_srcptr, mp_srcptr, mp_size_t) attribute_hidden;
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mp_limb_t mpn_divrem (mp_ptr, mp_size_t, mp_ptr, mp_size_t, mp_srcptr,
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mp_size_t) attribute_hidden;
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mp_limb_t mpn_lshift (mp_ptr, mp_srcptr, mp_size_t, unsigned int)
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attribute_hidden;
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mp_limb_t mpn_mul (mp_ptr, mp_srcptr, mp_size_t, mp_srcptr, mp_size_t)
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attribute_hidden;
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mp_limb_t mpn_mul_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t)
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attribute_hidden;
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mp_limb_t mpn_rshift (mp_ptr, mp_srcptr, mp_size_t, unsigned int)
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attribute_hidden;
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mp_limb_t mpn_sub_n (mp_ptr, mp_srcptr, mp_srcptr, mp_size_t)
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attribute_hidden;
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mp_limb_t mpn_submul_1 (mp_ptr, mp_srcptr, mp_size_t, mp_limb_t)
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attribute_hidden;
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#define mpn_extract_flt128 __MPN(extract_flt128)
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mp_size_t mpn_extract_flt128 (mp_ptr res_ptr, mp_size_t size, int *expt,
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int *is_neg, __float128 value) attribute_hidden;
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#define mpn_construct_float128 __MPN(construct_float128)
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__float128 mpn_construct_float128 (mp_srcptr frac_ptr, int expt, int sign)
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attribute_hidden;
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#define mpn_divmod(qp,np,nsize,dp,dsize) mpn_divrem (qp,0,np,nsize,dp,dsize)
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static inline mp_limb_t
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mpn_add_1 (register mp_ptr res_ptr,
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register mp_srcptr s1_ptr,
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register mp_size_t s1_size,
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register mp_limb_t s2_limb)
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{
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register mp_limb_t x;
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x = *s1_ptr++;
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s2_limb = x + s2_limb;
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*res_ptr++ = s2_limb;
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if (s2_limb < x)
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{
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while (--s1_size != 0)
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{
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x = *s1_ptr++ + 1;
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*res_ptr++ = x;
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if (x != 0)
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goto fin;
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}
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return 1;
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}
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fin:
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if (res_ptr != s1_ptr)
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{
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mp_size_t i;
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for (i = 0; i < s1_size - 1; i++)
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res_ptr[i] = s1_ptr[i];
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}
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return 0;
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}
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