gcc/config/darwin-64.c

   1 /* Functions shipped in the ppc64 and x86_64 version of libgcc_s.1.dylib
   2    in older Mac OS X versions, preserved for backwards compatibility.
   3    Copyright (C) 2006  Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 2, or (at your option) any later
  10 version.
  11
  12 In addition to the permissions in the GNU General Public License, the
  13 Free Software Foundation gives you unlimited permission to link the
  14 compiled version of this file into combinations with other programs,
  15 and to distribute those combinations without any restriction coming
  16 from the use of this file.  (The General Public License restrictions
  17 do apply in other respects; for example, they cover modification of
  18 the file, and distribution when not linked into a combine
  19 executable.)
  20
  21 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  22 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  23 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  24 for more details.
  25
  26 You should have received a copy of the GNU General Public License
  27 along with GCC; see the file COPYING.  If not, write to the Free
  28 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
  29 02110-1301, USA.  */
  30
  31 #if defined (__ppc64__) || defined (__x86_64__)
  32 /* Many of these functions have probably never been used by anyone
  33    anywhere on these targets, but it's hard to prove this, so they're defined
  34    here.  None are actually necessary, as demonstrated below by defining
  35    each function using the operation it implements.  */
  36
  37 typedef long DI;
  38 typedef unsigned long uDI;
  39 typedef int SI;
  40 typedef unsigned int uSI;
  41 typedef int word_type __attribute__ ((mode (__word__)));
  42
  43 DI __ashldi3 (DI x, word_type c);
  44 DI __ashrdi3 (DI x, word_type c);
  45 int __clzsi2 (uSI x);
  46 word_type __cmpdi2 (DI x, DI y);
  47 int __ctzsi2 (uSI x);
  48 DI __divdi3 (DI x, DI y);
  49 uDI __lshrdi3 (uDI x, word_type c);
  50 DI __moddi3 (DI x, DI y);
  51 DI __muldi3 (DI x, DI y);
  52 DI __negdi2 (DI x);
  53 int __paritysi2 (uSI x);
  54 int __popcountsi2 (uSI x);
  55 word_type __ucmpdi2 (uDI x, uDI y);
  56 uDI __udivdi3 (uDI x, uDI y);
  57 uDI __udivmoddi4 (uDI x, uDI y, uDI *r);
  58 uDI __umoddi3 (uDI x, uDI y);
  59
  60 DI __ashldi3 (DI x, word_type c) { return x << c; }
  61 DI __ashrdi3 (DI x, word_type c) { return x >> c; }
  62 int __clzsi2 (uSI x) { return __builtin_clz (x); }
  63 word_type __cmpdi2 (DI x, DI y) { return x < y ? 0 : x == y ? 1 : 2; }
  64 int __ctzsi2 (uSI x) { return __builtin_ctz (x); }
  65 DI __divdi3 (DI x, DI y) { return x / y; }
  66 uDI __lshrdi3 (uDI x, word_type c) { return x >> c; }
  67 DI __moddi3 (DI x, DI y) { return x % y; }
  68 DI __muldi3 (DI x, DI y) { return x * y; }
  69 DI __negdi2 (DI x) { return -x; }
  70 int __paritysi2 (uSI x) { return __builtin_parity (x); }
  71 int __popcountsi2 (uSI x) { return __builtin_popcount (x); }
  72 word_type __ucmpdi2 (uDI x, uDI y) { return x < y ? 0 : x == y ? 1 : 2; }
  73 uDI __udivdi3 (uDI x, uDI y) { return x / y; }
  74 uDI __udivmoddi4 (uDI x, uDI y, uDI *r) { *r = x % y; return x / y; }
  75 uDI __umoddi3 (uDI x, uDI y) { return x % y; }
  76
  77 #endif /* __ppc64__ || __x86_64__ */