Blame sysdeps/hppa/hppa1.1/udiv_qrnnd.S

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;! HP-PA  __udiv_qrnnd division support, used from longlong.h.
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;! This version runs fast on PA 7000 and later.
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;! Copyright (C) 1993-2018 Free Software Foundation, Inc.
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;! This file is part of the GNU MP Library.
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;! The GNU MP Library is free software; you can redistribute it and/or modify
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;! it under the terms of the GNU Lesser General Public License as published by
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;! the Free Software Foundation; either version 2.1 of the License, or (at your
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;! option) any later version.
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;! The GNU MP Library is distributed in the hope that it will be useful, but
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;! WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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;! or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
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;! License for more details.
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;! You should have received a copy of the GNU Lesser General Public License
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;! along with the GNU MP Library.  If not, see
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;! <http://www.gnu.org/licenses/>.
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;! INPUT PARAMETERS
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;! rem_ptr	gr26
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;! n1		gr25
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;! n0		gr24
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;! d		gr23
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	.text
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L$0000:
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	.word		0x43f00000
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	.word		0x0
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	.export		__udiv_qrnnd
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__udiv_qrnnd:
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	.proc
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	.callinfo	frame=64,no_calls
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	.entry
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	ldo		64(%r30),%r30
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	stws		%r25,-16(%r30)	;! n_hi
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	stws		%r24,-12(%r30)	;! n_lo
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	b,l		L$0,%r1
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	ldo		L$0000-L$0(%r1),%r1
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L$0:
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	fldds		-16(%r30),%fr5
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	stws		%r23,-12(%r30)
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	comib,<=	0,%r25,L$1
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	fcnvxf,dbl,dbl	%fr5,%fr5
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	fldds		0(%r1),%fr4
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	fadd,dbl	%fr4,%fr5,%fr5
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L$1:
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	fcpy,sgl	%fr0,%fr6L
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	fldws		-12(%r30),%fr6R
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	fcnvxf,dbl,dbl	%fr6,%fr4
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	fdiv,dbl	%fr5,%fr4,%fr5
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	fcnvfx,dbl,dbl	%fr5,%fr4
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	fstws		%fr4R,-16(%r30)
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	xmpyu		%fr4R,%fr6R,%fr6
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	ldws		-16(%r30),%r28
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	fstds		%fr6,-16(%r30)
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	ldws		-12(%r30),%r21
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	ldws		-16(%r30),%r20
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	sub		%r24,%r21,%r22
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	subb		%r25,%r20,%r1
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	comib,=		0,%r1,L$2
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	ldo		-64(%r30),%r30
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	add		%r22,%r23,%r22
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	ldo		-1(%r28),%r28
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L$2:
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	bv		0(%r2)
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	stws		%r22,0(%r26)
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	.exit
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	.procend