mpn/ia64/mul_2.asm

dnl  IA-64 mpn_mul_2 -- Multiply a n-limb number with a 2-limb number and store
dnl  store the result to a (n+1)-limb number.

dnl  Contributed to the GNU project by Torbjorn Granlund.

dnl  Copyright 2004, 2011 Free Software Foundation, Inc.

dnl  This file is part of the GNU MP Library.

dnl  The GNU MP Library is free software; you can redistribute it and/or modify
dnl  it under the terms of the GNU Lesser General Public License as published
dnl  by the Free Software Foundation; either version 3 of the License, or (at
dnl  your option) any later version.

dnl  The GNU MP Library is distributed in the hope that it will be useful, but
dnl  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
dnl  License for more details.

dnl  You should have received a copy of the GNU Lesser General Public License
dnl  along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.

include(`../config.m4')

C         cycles/limb
C Itanium:    ?
C Itanium 2:  1.5

C TODO
C  * Clean up variable names, and try to decrease the number of distinct
C    registers used.
C  * Clean up feed-in code to not require zeroing several registers.
C  * Make sure we don't depend on uninitialized predicate registers.
C  * Could perhaps save a few cycles by using 1 c/l carry propagation in
C    wind-down code.
C  * Ultimately rewrite.  The problem with this code is that it first uses a
C    loaded u value in one xma pair, then leaves it live over several unrelated
C    xma pairs, before it uses it again.  It should actually be quite possible
C    to just swap some aligned xma pairs around.  But we should then schedule
C    u loads further from the first use.

C INPUT PARAMETERS
define(`rp',`r32')
define(`up',`r33')
define(`n',`r34')
define(`vp',`r35')

define(`srp',`r3')

define(`v0',`f6')
define(`v1',`f7')

define(`s0',`r14')
define(`acc0',`r15')

define(`pr0_0',`r16') define(`pr0_1',`r17')
define(`pr0_2',`r18') define(`pr0_3',`r19')

define(`pr1_0',`r20') define(`pr1_1',`r21')
define(`pr1_2',`r22') define(`pr1_3',`r23')

define(`acc1_0',`r24') define(`acc1_1',`r25')
define(`acc1_2',`r26') define(`acc1_3',`r27')

dnl define(`',`r28')
dnl define(`',`r29')
dnl define(`',`r30')
dnl define(`',`r31')

define(`fp0b_0',`f8') define(`fp0b_1',`f9')
define(`fp0b_2',`f10') define(`fp0b_3',`f11')

define(`fp1a_0',`f12') define(`fp1a_1',`f13')
define(`fp1a_2',`f14') define(`fp1a_3',`f15')

define(`fp1b_0',`f32') define(`fp1b_1',`f33')
define(`fp1b_2',`f34') define(`fp1b_3',`f35')

define(`fp2a_0',`f36') define(`fp2a_1',`f37')
define(`fp2a_2',`f38') define(`fp2a_3',`f39')

define(`u_0',`f44') define(`u_1',`f45')
define(`u_2',`f46') define(`u_3',`f47')

define(`ux',`f49')
define(`uy',`f51')

ASM_START()
PROLOGUE(mpn_mul_2)
	.prologue
	.save	ar.lc, r2
	.body

ifdef(`HAVE_ABI_32',`
.mmi;		addp4	rp = 0, rp		C			M I
		addp4	up = 0, up		C			M I
		addp4	vp = 0, vp		C			M I
.mmi;		nop	1
		nop	1
		zxt4	n = n			C			I
	;;')

.mmi;		ldf8	ux = [up], 8		C			M
		ldf8	v0 = [vp], 8		C			M
		mov	r2 = ar.lc		C			I0
.mmi;		nop	1			C			M
		and	r14 = 3, n		C			M I
		add	n = -2, n		C			M I
	;;
.mmi;		ldf8	uy = [up], 8		C			M
		ldf8	v1 = [vp]		C			M
		shr.u	n = n, 2		C			I
.mmi;		nop	1			C			M
		cmp.eq	p10, p0 = 1, r14	C			M I
		cmp.eq	p11, p0 = 2, r14	C			M I
	;;
.mmi;		nop	1			C			M
		cmp.eq	p12, p0 = 3, r14	C			M I
		mov	ar.lc = n		C			I0
.bbb;	(p10)	br.dptk	L(b01)			C			B
	(p11)	br.dptk	L(b10)			C			B
	(p12)	br.dptk	L(b11)			C			B
	;;

	ALIGN(32)
L(b00):		ldf8	u_1 = [up], 8
		mov	acc1_2 = 0
		mov	pr1_2 = 0
		mov	pr0_3 = 0
		cmp.ne	p8, p9 = r0, r0
	;;
		xma.l	fp0b_3 = ux, v0, f0
		cmp.ne	p12, p13 = r0, r0
		ldf8	u_2 = [up], 8
		xma.hu	fp1a_3 = ux, v0, f0
		br.cloop.dptk	L(gt4)

		xma.l	fp0b_0 = uy, v0, f0
		xma.hu	fp1a_0 = uy, v0, f0
	;;
		getfsig	acc0 = fp0b_3
		xma.l	fp1b_3 = ux, v1, fp1a_3
		xma.hu	fp2a_3 = ux, v1, fp1a_3
	;;
		xma.l	fp0b_1 = u_1, v0, f0
		xma.hu	fp1a_1 = u_1, v0, f0
	;;
		getfsig	pr0_0 = fp0b_0
		xma.l	fp1b_0 = uy, v1, fp1a_0
		xma.hu	fp2a_0 = uy, v1, fp1a_0
	;;
		getfsig	pr1_3 = fp1b_3
		getfsig	acc1_3 = fp2a_3
		xma.l	fp0b_2 = u_2, v0, f0
		xma.hu	fp1a_2 = u_2, v0, f0
		br	L(cj4)

L(gt4):		xma.l	fp0b_0 = uy, v0, f0
		xma.hu	fp1a_0 = uy, v0, f0
	;;
		getfsig	acc0 = fp0b_3
		xma.l	fp1b_3 = ux, v1, fp1a_3
		ldf8	u_3 = [up], 8
		xma.hu	fp2a_3 = ux, v1, fp1a_3
	;;
		xma.l	fp0b_1 = u_1, v0, f0
		xma.hu	fp1a_1 = u_1, v0, f0
	;;
		getfsig	pr0_0 = fp0b_0
		xma.l	fp1b_0 = uy, v1, fp1a_0
		xma.hu	fp2a_0 = uy, v1, fp1a_0
	;;
		ldf8	u_0 = [up], 8
		getfsig	pr1_3 = fp1b_3
		xma.l	fp0b_2 = u_2, v0, f0
	;;
		getfsig	acc1_3 = fp2a_3
		xma.hu	fp1a_2 = u_2, v0, f0
		br	L(00)


	ALIGN(32)
L(b01):		ldf8	u_0 = [up], 8		C M
		mov	acc1_1 = 0		C M I
		mov	pr1_1 = 0		C M I
		mov	pr0_2 = 0		C M I
		cmp.ne	p6, p7 = r0, r0		C M I
	;;
		xma.l	fp0b_2 = ux, v0, f0	C F
		cmp.ne	p10, p11 = r0, r0	C M I
		ldf8	u_1 = [up], 8		C M
		xma.hu	fp1a_2 = ux, v0, f0	C F
	;;
		xma.l	fp0b_3 = uy, v0, f0	C F
		xma.hu	fp1a_3 = uy, v0, f0	C F
	;;
		getfsig	acc0 = fp0b_2		C M
		xma.l	fp1b_2 = ux, v1,fp1a_2	C F
		ldf8	u_2 = [up], 8		C M
		xma.hu	fp2a_2 = ux, v1,fp1a_2	C F
		br.cloop.dptk	L(gt5)

		xma.l	fp0b_0 = u_0, v0, f0	C F
		xma.hu	fp1a_0 = u_0, v0, f0	C F
	;;
		getfsig	pr0_3 = fp0b_3		C M
		xma.l	fp1b_3 = uy, v1,fp1a_3	C F
		xma.hu	fp2a_3 = uy, v1,fp1a_3	C F
	;;
		getfsig	pr1_2 = fp1b_2		C M
		getfsig	acc1_2 = fp2a_2		C M
		xma.l	fp0b_1 = u_1, v0, f0	C F
		xma.hu	fp1a_1 = u_1, v0, f0	C F
		br	L(cj5)

L(gt5):		xma.l	fp0b_0 = u_0, v0, f0
		xma.hu	fp1a_0 = u_0, v0, f0
	;;
		getfsig	pr0_3 = fp0b_3
		xma.l	fp1b_3 = uy, v1, fp1a_3
		xma.hu	fp2a_3 = uy, v1, fp1a_3
	;;
		ldf8	u_3 = [up], 8
		getfsig	pr1_2 = fp1b_2
		xma.l	fp0b_1 = u_1, v0, f0
	;;
		getfsig	acc1_2 = fp2a_2
		xma.hu	fp1a_1 = u_1, v0, f0
		br	L(01)


	ALIGN(32)
L(b10):		br.cloop.dptk	L(gt2)
		xma.l	fp0b_1 = ux, v0, f0
		xma.hu	fp1a_1 = ux, v0, f0
	;;
		xma.l	fp0b_2 = uy, v0, f0
		xma.hu	fp1a_2 = uy, v0, f0
	;;
		stf8	[rp] = fp0b_1, 8
		xma.l	fp1b_1 = ux, v1, fp1a_1
		xma.hu	fp2a_1 = ux, v1, fp1a_1
	;;
		getfsig	acc0 = fp0b_2
		xma.l	fp1b_2 = uy, v1, fp1a_2
		xma.hu	fp2a_2 = uy, v1, fp1a_2
	;;
		getfsig	pr1_1 = fp1b_1
		getfsig	acc1_1 = fp2a_1
		mov	ar.lc = r2
		getfsig	pr1_2 = fp1b_2
		getfsig	r8 = fp2a_2
	;;
		add	s0 = pr1_1, acc0
	;;
		st8	[rp] = s0, 8
		cmp.ltu	p8, p9 = s0, pr1_1
		sub	r31 = -1, acc1_1
	;;
		.pred.rel "mutex", p8, p9
	(p8)	add	acc0 = pr1_2, acc1_1, 1
	(p9)	add	acc0 = pr1_2, acc1_1
	(p8)	cmp.leu	p10, p0 = r31, pr1_2
	(p9)	cmp.ltu	p10, p0 = r31, pr1_2
	;;
		st8	[rp] = acc0, 8
	(p10)	add	r8 = 1, r8
		br.ret.sptk.many b0

L(gt2):		ldf8	u_3 = [up], 8
		mov	acc1_0 = 0
		mov	pr1_0 = 0
	;;
		mov	pr0_1 = 0
		xma.l	fp0b_1 = ux, v0, f0
		ldf8	u_0 = [up], 8
		xma.hu	fp1a_1 = ux, v0, f0
	;;
		xma.l	fp0b_2 = uy, v0, f0
		xma.hu	fp1a_2 = uy, v0, f0
	;;
		getfsig	acc0 = fp0b_1
		xma.l	fp1b_1 = ux, v1, fp1a_1
		xma.hu	fp2a_1 = ux, v1, fp1a_1
	;;
		ldf8	u_1 = [up], 8
		xma.l	fp0b_3 = u_3, v0, f0
		xma.hu	fp1a_3 = u_3, v0, f0
	;;
		getfsig	pr0_2 = fp0b_2
		xma.l	fp1b_2 = uy, v1, fp1a_2
		xma.hu	fp2a_2 = uy, v1, fp1a_2
	;;
		ldf8	u_2 = [up], 8
		getfsig	pr1_1 = fp1b_1
	;;
.mfi;		getfsig	acc1_1 = fp2a_1
		xma.l	fp0b_0 = u_0, v0, f0
		cmp.ne	p8, p9 = r0, r0
.mfb;		cmp.ne	p12, p13 = r0, r0
		xma.hu	fp1a_0 = u_0, v0, f0
		br	L(10)


	ALIGN(32)
L(b11):		mov	acc1_3 = 0
		mov	pr1_3 = 0
		mov	pr0_0 = 0
		ldf8	u_2 = [up], 8
		cmp.ne	p6, p7 = r0, r0
		br.cloop.dptk	L(gt3)
	;;
		xma.l	fp0b_0 = ux, v0, f0
		xma.hu	fp1a_0 = ux, v0, f0
	;;
		cmp.ne	p10, p11 = r0, r0
		xma.l	fp0b_1 = uy, v0, f0
		xma.hu	fp1a_1 = uy, v0, f0
	;;
		getfsig	acc0 = fp0b_0
		xma.l	fp1b_0 = ux, v1, fp1a_0
		xma.hu	fp2a_0 = ux, v1, fp1a_0
	;;
		xma.l	fp0b_2 = u_2, v0, f0
		xma.hu	fp1a_2 = u_2, v0, f0
	;;
		getfsig	pr0_1 = fp0b_1
		xma.l	fp1b_1 = uy, v1, fp1a_1
		xma.hu	fp2a_1 = uy, v1, fp1a_1
	;;
		getfsig	pr1_0 = fp1b_0
		getfsig	acc1_0 = fp2a_0
		br	L(cj3)

L(gt3):		xma.l	fp0b_0 = ux, v0, f0
		cmp.ne	p10, p11 = r0, r0
		ldf8	u_3 = [up], 8
		xma.hu	fp1a_0 = ux, v0, f0
	;;
		xma.l	fp0b_1 = uy, v0, f0
		xma.hu	fp1a_1 = uy, v0, f0
	;;
		getfsig	acc0 = fp0b_0
		xma.l	fp1b_0 = ux, v1, fp1a_0
		ldf8	u_0 = [up], 8
		xma.hu	fp2a_0 = ux, v1, fp1a_0
	;;
		xma.l	fp0b_2 = u_2, v0, f0
		xma.hu	fp1a_2 = u_2, v0, f0
	;;
		getfsig	pr0_1 = fp0b_1
		xma.l	fp1b_1 = uy, v1, fp1a_1
		xma.hu	fp2a_1 = uy, v1, fp1a_1
	;;
		ldf8	u_1 = [up], 8
		getfsig	pr1_0 = fp1b_0
	;;
		getfsig	acc1_0 = fp2a_0
		xma.l	fp0b_3 = u_3, v0, f0
		xma.hu	fp1a_3 = u_3, v0, f0
		br	L(11)


C *** MAIN LOOP START ***
	ALIGN(32)
L(top):						C 00
		.pred.rel "mutex", p8, p9
		.pred.rel "mutex", p12, p13
		ldf8	u_3 = [up], 8
		getfsig	pr1_2 = fp1b_2
	(p8)	cmp.leu	p6, p7 = acc0, pr0_1
	(p9)	cmp.ltu	p6, p7 = acc0, pr0_1
	(p12)	cmp.leu	p10, p11 = s0, pr1_0
	(p13)	cmp.ltu	p10, p11 = s0, pr1_0
	;;					C 01
		.pred.rel "mutex", p6, p7
		getfsig	acc1_2 = fp2a_2
		st8	[rp] = s0, 8
		xma.l	fp0b_1 = u_1, v0, f0
	(p6)	add	acc0 = pr0_2, acc1_0, 1
	(p7)	add	acc0 = pr0_2, acc1_0
		xma.hu	fp1a_1 = u_1, v0, f0
	;;					C 02
L(01):
		.pred.rel "mutex", p10, p11
		getfsig	pr0_0 = fp0b_0
		xma.l	fp1b_0 = u_0, v1, fp1a_0
	(p10)	add	s0 = pr1_1, acc0, 1
	(p11)	add	s0 = pr1_1, acc0
		xma.hu	fp2a_0 = u_0, v1, fp1a_0
		nop	1
	;;					C 03
		.pred.rel "mutex", p6, p7
		.pred.rel "mutex", p10, p11
		ldf8	u_0 = [up], 8
		getfsig	pr1_3 = fp1b_3
	(p6)	cmp.leu	p8, p9 = acc0, pr0_2
	(p7)	cmp.ltu	p8, p9 = acc0, pr0_2
	(p10)	cmp.leu	p12, p13 = s0, pr1_1
	(p11)	cmp.ltu	p12, p13 = s0, pr1_1
	;;					C 04
		.pred.rel "mutex", p8, p9
		getfsig	acc1_3 = fp2a_3
		st8	[rp] = s0, 8
		xma.l	fp0b_2 = u_2, v0, f0
	(p8)	add	acc0 = pr0_3, acc1_1, 1
	(p9)	add	acc0 = pr0_3, acc1_1
		xma.hu	fp1a_2 = u_2, v0, f0
	;;					C 05
L(00):
		.pred.rel "mutex", p12, p13
		getfsig	pr0_1 = fp0b_1
		xma.l	fp1b_1 = u_1, v1, fp1a_1
	(p12)	add	s0 = pr1_2, acc0, 1
	(p13)	add	s0 = pr1_2, acc0
		xma.hu	fp2a_1 = u_1, v1, fp1a_1
		nop	1
	;;					C 06
		.pred.rel "mutex", p8, p9
		.pred.rel "mutex", p12, p13
		ldf8	u_1 = [up], 8
		getfsig	pr1_0 = fp1b_0
	(p8)	cmp.leu	p6, p7 = acc0, pr0_3
	(p9)	cmp.ltu	p6, p7 = acc0, pr0_3
	(p12)	cmp.leu	p10, p11 = s0, pr1_2
	(p13)	cmp.ltu	p10, p11 = s0, pr1_2
	;;					C 07
		.pred.rel "mutex", p6, p7
		getfsig	acc1_0 = fp2a_0
		st8	[rp] = s0, 8
		xma.l	fp0b_3 = u_3, v0, f0
	(p6)	add	acc0 = pr0_0, acc1_2, 1
	(p7)	add	acc0 = pr0_0, acc1_2
		xma.hu	fp1a_3 = u_3, v0, f0
	;;					C 08
L(11):
		.pred.rel "mutex", p10, p11
		getfsig	pr0_2 = fp0b_2
		xma.l	fp1b_2 = u_2, v1, fp1a_2
	(p10)	add	s0 = pr1_3, acc0, 1
	(p11)	add	s0 = pr1_3, acc0
		xma.hu	fp2a_2 = u_2, v1, fp1a_2
		nop	1
	;;					C 09
		.pred.rel "mutex", p6, p7
		.pred.rel "mutex", p10, p11
		ldf8	u_2 = [up], 8
		getfsig	pr1_1 = fp1b_1
	(p6)	cmp.leu	p8, p9 = acc0, pr0_0
	(p7)	cmp.ltu	p8, p9 = acc0, pr0_0
	(p10)	cmp.leu	p12, p13 = s0, pr1_3
	(p11)	cmp.ltu	p12, p13 = s0, pr1_3
	;;					C 10
		.pred.rel "mutex", p8, p9
		getfsig	acc1_1 = fp2a_1
		st8	[rp] = s0, 8
		xma.l	fp0b_0 = u_0, v0, f0
	(p8)	add	acc0 = pr0_1, acc1_3, 1
	(p9)	add	acc0 = pr0_1, acc1_3
		xma.hu	fp1a_0 = u_0, v0, f0
	;;					C 11
L(10):
		.pred.rel "mutex", p12, p13
		getfsig	pr0_3 = fp0b_3
		xma.l	fp1b_3 = u_3, v1, fp1a_3
	(p12)	add	s0 = pr1_0, acc0, 1
	(p13)	add	s0 = pr1_0, acc0
		xma.hu	fp2a_3 = u_3, v1, fp1a_3
		br.cloop.dptk	L(top)
	;;
C *** MAIN LOOP END ***

		.pred.rel "mutex", p8, p9
		.pred.rel "mutex", p12, p13
.mmi;		getfsig	pr1_2 = fp1b_2
		st8	[rp] = s0, 8
	(p8)	cmp.leu	p6, p7 = acc0, pr0_1
.mmi;	(p9)	cmp.ltu	p6, p7 = acc0, pr0_1
	(p12)	cmp.leu	p10, p11 = s0, pr1_0
	(p13)	cmp.ltu	p10, p11 = s0, pr1_0
	;;
		.pred.rel "mutex", p6, p7
.mfi;		getfsig	acc1_2 = fp2a_2
		xma.l	fp0b_1 = u_1, v0, f0
		nop	1
.mmf;	(p6)	add	acc0 = pr0_2, acc1_0, 1
	(p7)	add	acc0 = pr0_2, acc1_0
		xma.hu	fp1a_1 = u_1, v0, f0
	;;
L(cj5):
		.pred.rel "mutex", p10, p11
.mfi;		getfsig	pr0_0 = fp0b_0
		xma.l	fp1b_0 = u_0, v1, fp1a_0
	(p10)	add	s0 = pr1_1, acc0, 1
.mfi;	(p11)	add	s0 = pr1_1, acc0
		xma.hu	fp2a_0 = u_0, v1, fp1a_0
		nop	1
	;;
		.pred.rel "mutex", p6, p7
		.pred.rel "mutex", p10, p11
.mmi;		getfsig	pr1_3 = fp1b_3
		st8	[rp] = s0, 8
	(p6)	cmp.leu	p8, p9 = acc0, pr0_2
.mmi;	(p7)	cmp.ltu	p8, p9 = acc0, pr0_2
	(p10)	cmp.leu	p12, p13 = s0, pr1_1
	(p11)	cmp.ltu	p12, p13 = s0, pr1_1
	;;
		.pred.rel "mutex", p8, p9
.mfi;		getfsig	acc1_3 = fp2a_3
		xma.l	fp0b_2 = u_2, v0, f0
		nop	1
.mmf;	(p8)	add	acc0 = pr0_3, acc1_1, 1
	(p9)	add	acc0 = pr0_3, acc1_1
		xma.hu	fp1a_2 = u_2, v0, f0
	;;
L(cj4):
		.pred.rel "mutex", p12, p13
.mfi;		getfsig	pr0_1 = fp0b_1
		xma.l	fp1b_1 = u_1, v1, fp1a_1
	(p12)	add	s0 = pr1_2, acc0, 1
.mfi;	(p13)	add	s0 = pr1_2, acc0
		xma.hu	fp2a_1 = u_1, v1, fp1a_1
		nop	1
	;;
		.pred.rel "mutex", p8, p9
		.pred.rel "mutex", p12, p13
.mmi;		getfsig	pr1_0 = fp1b_0
		st8	[rp] = s0, 8
	(p8)	cmp.leu	p6, p7 = acc0, pr0_3
.mmi;	(p9)	cmp.ltu	p6, p7 = acc0, pr0_3
	(p12)	cmp.leu	p10, p11 = s0, pr1_2
	(p13)	cmp.ltu	p10, p11 = s0, pr1_2
	;;
		.pred.rel "mutex", p6, p7
.mmi;		getfsig	acc1_0 = fp2a_0
	(p6)	add	acc0 = pr0_0, acc1_2, 1
	(p7)	add	acc0 = pr0_0, acc1_2
	;;
L(cj3):
		.pred.rel "mutex", p10, p11
.mfi;		getfsig	pr0_2 = fp0b_2
		xma.l	fp1b_2 = u_2, v1, fp1a_2
	(p10)	add	s0 = pr1_3, acc0, 1
.mfi;	(p11)	add	s0 = pr1_3, acc0
		xma.hu	fp2a_2 = u_2, v1, fp1a_2
		nop	1
	;;
		.pred.rel "mutex", p6, p7
		.pred.rel "mutex", p10, p11
.mmi;		getfsig	pr1_1 = fp1b_1
		st8	[rp] = s0, 8
	(p6)	cmp.leu	p8, p9 = acc0, pr0_0
.mmi;	(p7)	cmp.ltu	p8, p9 = acc0, pr0_0
	(p10)	cmp.leu	p12, p13 = s0, pr1_3
	(p11)	cmp.ltu	p12, p13 = s0, pr1_3
	;;
		.pred.rel "mutex", p8, p9
.mmi;		getfsig	acc1_1 = fp2a_1
	(p8)	add	acc0 = pr0_1, acc1_3, 1
	(p9)	add	acc0 = pr0_1, acc1_3
	;;
		.pred.rel "mutex", p12, p13
.mmi;	(p12)	add	s0 = pr1_0, acc0, 1
	(p13)	add	s0 = pr1_0, acc0
		nop	1
	;;
		.pred.rel "mutex", p8, p9
		.pred.rel "mutex", p12, p13
.mmi;		getfsig	pr1_2 = fp1b_2
		st8	[rp] = s0, 8
	(p8)	cmp.leu	p6, p7 = acc0, pr0_1
.mmi;	(p9)	cmp.ltu	p6, p7 = acc0, pr0_1
	(p12)	cmp.leu	p10, p11 = s0, pr1_0
	(p13)	cmp.ltu	p10, p11 = s0, pr1_0
	;;
		.pred.rel "mutex", p6, p7
.mmi;		getfsig	r8 = fp2a_2
	(p6)	add	acc0 = pr0_2, acc1_0, 1
	(p7)	add	acc0 = pr0_2, acc1_0
	;;
		.pred.rel "mutex", p10, p11
.mmi;	(p10)	add	s0 = pr1_1, acc0, 1
	(p11)	add	s0 = pr1_1, acc0
	(p6)	cmp.leu	p8, p9 = acc0, pr0_2
	;;
		.pred.rel "mutex", p10, p11
.mmi;	(p7)	cmp.ltu	p8, p9 = acc0, pr0_2
	(p10)	cmp.leu	p12, p13 = s0, pr1_1
	(p11)	cmp.ltu	p12, p13 = s0, pr1_1
	;;
		.pred.rel "mutex", p8, p9
.mmi;		st8	[rp] = s0, 8
	(p8)	add	acc0 = pr1_2, acc1_1, 1
	(p9)	add	acc0 = pr1_2, acc1_1
	;;
		.pred.rel "mutex", p8, p9
.mmi;	(p8)	cmp.leu	p10, p11 = acc0, pr1_2
	(p9)	cmp.ltu	p10, p11 = acc0, pr1_2
	(p12)	add	acc0 = 1, acc0
	;;
.mmi;		st8	[rp] = acc0, 8
	(p12)	cmpeqor	p10, p0 = 0, acc0
		nop	1
	;;
.mib;	(p10)	add	r8 = 1, r8
		mov	ar.lc = r2
		br.ret.sptk.many b0
EPILOGUE()
ASM_END()