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Unified Diff: gcc/gmp/mpz/divis_ui.c

Issue 3050029: [gcc] GCC 4.5.0=>4.5.1 (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/nacl-toolchain.git
Patch Set: Created 10 years, 5 months ago
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Index: gcc/gmp/mpz/divis_ui.c
diff --git a/gcc/gmp/mpz/divis_ui.c b/gcc/gmp/mpz/divis_ui.c
deleted file mode 100644
index ead0ddd23b44c063a065f8635b7ba7a77881d62a..0000000000000000000000000000000000000000
--- a/gcc/gmp/mpz/divis_ui.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/* mpz_divisible_ui_p -- mpz by ulong divisibility test.
-
-Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
-
-This file is part of the GNU MP Library.
-
-The GNU MP Library is free software; you can redistribute it and/or modify
-it under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation; either version 3 of the License, or (at your
-option) any later version.
-
-The GNU MP Library is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
-License for more details.
-
-You should have received a copy of the GNU Lesser General Public License
-along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
-
-#include "gmp.h"
-#include "gmp-impl.h"
-#include "longlong.h"
-
-
-int
-mpz_divisible_ui_p (mpz_srcptr a, unsigned long d)
-{
- mp_size_t asize;
- mp_ptr ap;
- unsigned twos;
-
- asize = SIZ(a);
- if (UNLIKELY (d == 0))
- return (asize == 0);
-
- if (asize == 0) /* 0 divisible by any d */
- return 1;
-
- /* For nails don't try to be clever if d is bigger than a limb, just fake
- up an mpz_t and go to the main mpz_divisible_p. */
- if (d > GMP_NUMB_MAX)
- {
- mp_limb_t dlimbs[2];
- mpz_t dz;
- ALLOC(dz) = 2;
- PTR(dz) = dlimbs;
- mpz_set_ui (dz, d);
- return mpz_divisible_p (a, dz);
- }
-
- ap = PTR(a);
- asize = ABS(asize); /* ignore sign of a */
-
- if (BELOW_THRESHOLD (asize, MODEXACT_1_ODD_THRESHOLD))
- return mpn_mod_1 (ap, asize, (mp_limb_t) d) == 0;
-
- if (! (d & 1))
- {
- /* Strip low zero bits to get odd d required by modexact. If d==e*2^n
- and a is divisible by 2^n and by e, then it's divisible by d. */
-
- if ((ap[0] & LOW_ZEROS_MASK (d)) != 0)
- return 0;
-
- count_trailing_zeros (twos, (mp_limb_t) d);
- d >>= twos;
- }
-
- return mpn_modexact_1_odd (ap, asize, (mp_limb_t) d) == 0;
-}
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