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authorCarlos O'Donell <carlos@systemhalted.org>2014-04-29 03:08:48 -0400
committerCarlos O'Donell <carlos@systemhalted.org>2014-04-29 04:20:39 -0400
commit5abebba403181de898bbea4ee1bcce5f088c663b (patch)
tree0c4a8eac85e1f2db87621b524bfcbdeb24c2c8f9 /sysdeps/hppa/hppa1.1/udiv_qrnnd.S
parent4e4a58f4ee45cea6f3083af8f12d3834bb999555 (diff)
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Relocate hppa from ports to libc.
Diffstat (limited to 'sysdeps/hppa/hppa1.1/udiv_qrnnd.S')
-rw-r--r--sysdeps/hppa/hppa1.1/udiv_qrnnd.S77
1 files changed, 77 insertions, 0 deletions
diff --git a/sysdeps/hppa/hppa1.1/udiv_qrnnd.S b/sysdeps/hppa/hppa1.1/udiv_qrnnd.S
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index 0000000000..6008a62945
--- /dev/null
+++ b/sysdeps/hppa/hppa1.1/udiv_qrnnd.S
@@ -0,0 +1,77 @@
+;! HP-PA  __udiv_qrnnd division support, used from longlong.h.
+;! This version runs fast on PA 7000 and later.
+
+;! Copyright (C) 1993-2014 Free Software Foundation, Inc.
+
+;! This file is part of the GNU MP Library.
+
+;! The GNU MP 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 MP 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 MP Library.  If not, see
+;! <http://www.gnu.org/licenses/>.
+
+
+;! INPUT PARAMETERS
+;! rem_ptr	gr26
+;! n1		gr25
+;! n0		gr24
+;! d		gr23
+
+	.text
+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(%r30)	;! n_hi
+	stws		%r24,-12(%r30)	;! n_lo
+	b,l		L$0,%r1
+	ldo		L$0000-L$0(%r1),%r1
+L$0:
+	fldds		-16(%r30),%fr5
+	stws		%r23,-12(%r30)
+	comib,<=	0,%r25,L$1
+	fcnvxf,dbl,dbl	%fr5,%fr5
+	fldds		0(%r1),%fr4
+	fadd,dbl	%fr4,%fr5,%fr5
+L$1:
+	fcpy,sgl	%fr0,%fr6L
+	fldws		-12(%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(%r30)
+	ldws		-12(%r30),%r21
+	ldws		-16(%r30),%r20
+	sub		%r24,%r21,%r22
+	subb		%r25,%r20,%r1
+	comib,=		0,%r1,L$2
+	ldo		-64(%r30),%r30
+
+	add		%r22,%r23,%r22
+	ldo		-1(%r28),%r28
+L$2:
+	bv		0(%r2)
+	stws		%r22,0(%r26)
+
+	.exit
+	.procend