* tune/powerpc.asm, tune/powerpc64.asm: New files.

1 files changed, 44 insertions, 0 deletions

diff --git a/tune/powerpc64.asm b/tune/powerpc64.asm
new file mode 100644
index 000000000..4aea1cd66
--- /dev/null
+++ b/tune/powerpc64.asm
@@ -0,0 +1,44 @@
+dnl  PowerPC mftb_function -- read time base registers, 64-bit integer.
+
+dnl  Copyright 2002 Free Software Foundation, Inc.
+dnl
+dnl  This file is part of the GNU MP Library.
+dnl
+dnl  The GNU MP Library is free software; you can redistribute it and/or
+dnl  modify it under the terms of the GNU Lesser General Public License as
+dnl  published by the Free Software Foundationn; either version 2.1 of the
+dnl  License, or (at your option) any later version.
+dnl
+dnl  The GNU MP Library is distributed in the hope that it will be useful,
+dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+dnl  Lesser General Public License for more details.
+dnl
+dnl  You should have received a copy of the GNU Lesser General Public
+dnl  License along with the GNU MP Library; see the file COPYING.LIB.  If
+dnl  not, write to the Free Software Foundation, Inc., 59 Temple Place -
+dnl  Suite 330, Boston, MA 02111-1307, USA.
+
+include(`../config.m4')
+
+
+C void mftb_function (unsigned a[2]);
+C
+
+ASM_START()
+PROLOGUE(mftb_function)
+
+	C r3	a
+
+L(again):
+	mftbu	r4
+	mftb	r5
+	mftbu	r6
+	cmpd	cr0, r4, r6
+	bne	L(again)
+
+	std	r5, 0(r3)
+	std	r4, 8(r3)
+	blr
+
+EPILOGUE()