added assembler stuff for hppa

mpi/hppa1.1/udiv-qrnnd.S

@@ -0,0 +1,88 @@
+/* HP-PA  __udiv_qrnnd division support, used from longlong.h.
+ *	  This version runs fast on PA 7000 and later.
+ *
+ *	Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+ *	Copyright (c) 1997 by Werner Koch (dd9jn)
+ *
+ * This file is part of G10.
+ *
+ * G10 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 of the License, or
+ * (at your option) any later version.
+ *
+ * G10 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; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ *
+ * Note: This code is heavily based on the GNU MP Library.
+ *	 Actually it's the same code with only minor changes in the
+ *	 way the data is stored; this is to support the abstraction
+ *	 of an optional secure memory allocation which may be used
+ *	 to avoid revealing of sensitive data due to paging etc.
+ *	 The GNU MP Library itself is published under the LGPL;
+ *	 however I decided to publish this code under the plain GPL.
+ */
+
+
+
+/* INPUT PARAMETERS
+ *   rem_ptr	   gr26
+ *   n1 	   gr25
+ *   n0 	   gr24
+ *   d		   gr23
+ */
+
+	.code
+L$0000	.word		0x43f00000
+	.word		0x0
+	.export 	__udiv_qrnnd
+__udiv_qrnnd
+	.proc
+	.callinfo	frame=64,no_calls
+	.entry
+	ldo		64(%r30),%r30
+
+	stws		%r25,-16(0,%r30)	; n_hi
+	stws		%r24,-12(0,%r30)	; n_lo
+	ldil		L'L$0000,%r19
+	ldo		R'L$0000(%r19),%r19
+	fldds		-16(0,%r30),%fr5
+	stws		%r23,-12(0,%r30)
+	comib,<=	0,%r25,L$1
+	fcnvxf,dbl,dbl	%fr5,%fr5
+	fldds		0(0,%r19),%fr4
+	fadd,dbl	%fr4,%fr5,%fr5
+L$1
+	fcpy,sgl	%fr0,%fr6L
+	fldws		-12(0,%r30),%fr6R
+	fcnvxf,dbl,dbl	%fr6,%fr4
+
+	fdiv,dbl	%fr5,%fr4,%fr5
+
+	fcnvfx,dbl,dbl	%fr5,%fr4
+	fstws		%fr4R,-16(%r30)
+	xmpyu		%fr4R,%fr6R,%fr6
+	ldws		-16(%r30),%r28
+	fstds		%fr6,-16(0,%r30)
+	ldws		-12(0,%r30),%r21
+	ldws		-16(0,%r30),%r20
+	sub		%r24,%r21,%r22
+	subb		%r25,%r20,%r19
+	comib,= 	0,%r19,L$2
+	ldo		-64(%r30),%r30
+
+	add		%r22,%r23,%r22
+	ldo		-1(%r28),%r28
+L$2	bv		0(%r2)
+	stws		%r22,0(0,%r26)
+
+	.exit
+	.procend
+
+