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+/* 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 */