libgcc/config/rs6000/darwin-asm.h

   1 /*  Macro definitions to used to support 32/64-bit code in Darwin's
   2  *  assembly files.
   3  *
   4  *   Copyright (C) 2004-2018 Free Software Foundation, Inc.
   5  *
   6  * This file is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 3, or (at your option) any
   9  * later version.
  10  *
  11  * This file is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * Under Section 7 of GPL version 3, you are granted additional
  17  * permissions described in the GCC Runtime Library Exception, version
  18  * 3.1, as published by the Free Software Foundation.
  19  *
  20  * You should have received a copy of the GNU General Public License and
  21  * a copy of the GCC Runtime Library Exception along with this program;
  22  * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23  * <http://www.gnu.org/licenses/>.
  24  */
  25
  26 /* These are donated from /usr/include/architecture/ppc . */
  27
  28 #if defined(__ppc64__)
  29 #define MODE_CHOICE(x, y) y
  30 #else
  31 #define MODE_CHOICE(x, y) x
  32 #endif
  33
  34 #define cmpg    MODE_CHOICE(cmpw, cmpd)
  35 #define lg      MODE_CHOICE(lwz, ld)
  36 #define stg     MODE_CHOICE(stw, std)
  37 #define lgx     MODE_CHOICE(lwzx, ldx)
  38 #define stgx    MODE_CHOICE(stwx, stdx)
  39 #define lgu     MODE_CHOICE(lwzu, ldu)
  40 #define stgu    MODE_CHOICE(stwu, stdu)
  41 #define lgux    MODE_CHOICE(lwzux, ldux)
  42 #define stgux   MODE_CHOICE(stwux, stdux)
  43 #define lgwa    MODE_CHOICE(lwz, lwa)
  44
  45 #define g_long  MODE_CHOICE(long, quad)         /* usage is ".g_long" */
  46
  47 #define GPR_BYTES       MODE_CHOICE(4,8)        /* size of a GPR in bytes */
  48 #define LOG2_GPR_BYTES  MODE_CHOICE(2,3)        /* log2(GPR_BYTES) */
  49
  50 #define SAVED_LR_OFFSET MODE_CHOICE(8,16)       /* position of saved
  51                                                    LR in frame */