1 files changed, 87 insertions, 0 deletions
diff --git a/ports/sysdeps/alpha/div.S b/ports/sysdeps/alpha/div.S
new file mode 100644
index 0000000000..38aeb1472d
--- /dev/null
+++ b/ports/sysdeps/alpha/div.S
@@ -0,0 +1,87 @@
+/* Copyright (C) 1996, 1997, 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Richard Henderson <rth@tamu.edu>.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include "div_libc.h"
+
+#undef FRAME
+#ifdef __alpha_fix__
+#define FRAME 0
+#else
+#define FRAME 16
+#endif
+
+	.set noat
+
+	.align 4
+	.globl div
+	.ent div
+div:
+	.frame sp, FRAME, ra
+#if FRAME > 0
+	lda	sp, -FRAME(sp)
+#endif
+#ifdef PROF
+	.set	macro
+	ldgp	gp, 0(pv)
+	lda	AT, _mcount
+	jsr	AT, (AT), _mcount
+	.set	nomacro
+	.prologue 1
+#else
+	.prologue 0
+#endif
+
+	beq	$18, $divbyzero
+	excb
+	mf_fpcr	$f10
+
+	_ITOFT2	$17, $f0, 0, $18, $f1, 8
+
+	cvtqt	$f0, $f0
+	cvtqt	$f1, $f1
+	divt/c	$f0, $f1, $f0
+	cvttq/c	$f0, $f0
+	excb
+	mt_fpcr	$f10
+	_FTOIT	$f0, $0, 0
+
+	mull	$0, $18, $1
+	subl	$17, $1, $1
+
+	stl	$0, 0(a0)
+	stl	$1, 4(a0)
+	mov	a0, v0
+
+#if FRAME > 0
+	lda	sp, FRAME(sp)
+#endif
+	ret
+
+$divbyzero:
+	mov	a0, v0
+	lda	a0, GEN_INTDIV
+	call_pal PAL_gentrap
+	stl	zero, 0(v0)
+	stl	zero, 4(v0)
+
+#if FRAME > 0
+	lda	sp, FRAME(sp)
+#endif
+	ret
+
+	.end div