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freebsd/contrib/gcc/config/rs6000/darwin-asm.h
2007-05-19 01:19:51 +00:00

62 lines
2.5 KiB
C

/* Macro definitions to used to support 32/64-bit code in Darwin's
* assembly files.
*
* Copyright (C) 2004 Free Software Foundation, Inc.
*
* This file is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* In addition to the permissions in the GNU General Public License, the
* Free Software Foundation gives you unlimited permission to link the
* compiled version of this file with other programs, and to distribute
* those programs without any restriction coming from the use of this
* file. (The General Public License restrictions do apply in other
* respects; for example, they cover modification of the file, and
* distribution when not linked into another program.)
*
* This file 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* As a special exception, if you link this library with files
* compiled with GCC to produce an executable, this does not cause the
* resulting executable to be covered by the GNU General Public License.
* This exception does not however invalidate any other reasons why the
* executable file might be covered by the GNU General Public License.
*/
/* These are donated from /usr/include/architecture/ppc . */
#if defined(__ppc64__)
#define MODE_CHOICE(x, y) y
#else
#define MODE_CHOICE(x, y) x
#endif
#define cmpg MODE_CHOICE(cmpw, cmpd)
#define lg MODE_CHOICE(lwz, ld)
#define stg MODE_CHOICE(stw, std)
#define lgx MODE_CHOICE(lwzx, ldx)
#define stgx MODE_CHOICE(stwx, stdx)
#define lgu MODE_CHOICE(lwzu, ldu)
#define stgu MODE_CHOICE(stwu, stdu)
#define lgux MODE_CHOICE(lwzux, ldux)
#define stgux MODE_CHOICE(stwux, stdux)
#define lgwa MODE_CHOICE(lwz, lwa)
#define g_long MODE_CHOICE(long, quad) /* usage is ".g_long" */
#define GPR_BYTES MODE_CHOICE(4,8) /* size of a GPR in bytes */
#define LOG2_GPR_BYTES MODE_CHOICE(2,3) /* log2(GPR_BYTES) */
#define SAVED_LR_OFFSET MODE_CHOICE(8,16) /* position of saved
LR in frame */