Blame mpn/sparc32/ultrasparct1/submul_1.asm
|
Packit |
5c3484 |
dnl SPARC T1 32-bit mpn_submul_1.
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
dnl Contributed to the GNU project by David Miller.
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
dnl Copyright 2010, 2013 Free Software Foundation, Inc.
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
dnl This file is part of the GNU MP Library.
|
|
Packit |
5c3484 |
dnl
|
|
Packit |
5c3484 |
dnl The GNU MP Library is free software; you can redistribute it and/or modify
|
|
Packit |
5c3484 |
dnl it under the terms of either:
|
|
Packit |
5c3484 |
dnl
|
|
Packit |
5c3484 |
dnl * the GNU Lesser General Public License as published by the Free
|
|
Packit |
5c3484 |
dnl Software Foundation; either version 3 of the License, or (at your
|
|
Packit |
5c3484 |
dnl option) any later version.
|
|
Packit |
5c3484 |
dnl
|
|
Packit |
5c3484 |
dnl or
|
|
Packit |
5c3484 |
dnl
|
|
Packit |
5c3484 |
dnl * the GNU General Public License as published by the Free Software
|
|
Packit |
5c3484 |
dnl Foundation; either version 2 of the License, or (at your option) any
|
|
Packit |
5c3484 |
dnl later version.
|
|
Packit |
5c3484 |
dnl
|
|
Packit |
5c3484 |
dnl or both in parallel, as here.
|
|
Packit |
5c3484 |
dnl
|
|
Packit |
5c3484 |
dnl The GNU MP Library is distributed in the hope that it will be useful, but
|
|
Packit |
5c3484 |
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
|
Packit |
5c3484 |
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
Packit |
5c3484 |
dnl for more details.
|
|
Packit |
5c3484 |
dnl
|
|
Packit |
5c3484 |
dnl You should have received copies of the GNU General Public License and the
|
|
Packit |
5c3484 |
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
|
|
Packit |
5c3484 |
dnl see https://www.gnu.org/licenses/.
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
include(`../config.m4')
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
C cycles/limb
|
|
Packit |
5c3484 |
C UltraSPARC T1: 24
|
|
Packit |
5c3484 |
C UltraSPARC T2: 19
|
|
Packit |
5c3484 |
C UltraSPARC T3: 19
|
|
Packit |
5c3484 |
C UltraSPARC T4: 5
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
C INPUT PARAMETERS
|
|
Packit |
5c3484 |
define(`rp', `%i0')
|
|
Packit |
5c3484 |
define(`up', `%i1')
|
|
Packit |
5c3484 |
define(`n', `%i2')
|
|
Packit |
5c3484 |
define(`v0', `%i3')
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
ASM_START()
|
|
Packit |
5c3484 |
PROLOGUE(mpn_submul_1)
|
|
Packit |
5c3484 |
save %sp, -96, %sp
|
|
Packit |
5c3484 |
srl n, 0, %o4
|
|
Packit |
5c3484 |
srl v0, 0, %g1
|
|
Packit |
5c3484 |
subcc %o4, 1, %o4
|
|
Packit |
5c3484 |
be L(final_one)
|
|
Packit |
5c3484 |
subcc %g0, 0, %o5
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
L(top): lduw [up+0], %l0
|
|
Packit |
5c3484 |
lduw [rp+0], %l2
|
|
Packit |
5c3484 |
lduw [up+4], %l1
|
|
Packit |
5c3484 |
lduw [rp+4], %l3
|
|
Packit |
5c3484 |
mulx %l0, %g1, %g3
|
|
Packit |
5c3484 |
add up, 8, up
|
|
Packit |
5c3484 |
mulx %l1, %g1, %o3
|
|
Packit |
5c3484 |
sub %o4, 2, %o4
|
|
Packit |
5c3484 |
add rp, 8, rp
|
|
Packit |
5c3484 |
addx %o5, %g3, %g3
|
|
Packit |
5c3484 |
srlx %g3, 32, %o5
|
|
Packit |
5c3484 |
subcc %l2, %g3, %g3
|
|
Packit |
5c3484 |
stw %g3, [rp-8]
|
|
Packit |
5c3484 |
addx %o5, %o3, %o3
|
|
Packit |
5c3484 |
srlx %o3, 32, %o5
|
|
Packit |
5c3484 |
subcc %l3, %o3, %o3
|
|
Packit |
5c3484 |
brgz %o4, L(top)
|
|
Packit |
5c3484 |
stw %o3, [rp-4]
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
brlz,pt %o4, L(done)
|
|
Packit |
5c3484 |
nop
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
L(final_one):
|
|
Packit |
5c3484 |
lduw [up+0], %l0
|
|
Packit |
5c3484 |
lduw [rp+0], %l2
|
|
Packit |
5c3484 |
mulx %l0, %g1, %g3
|
|
Packit |
5c3484 |
addx %o5, %g3, %g3
|
|
Packit |
5c3484 |
srlx %g3, 32, %o5
|
|
Packit |
5c3484 |
subcc %l2, %g3, %g3
|
|
Packit |
5c3484 |
stw %g3, [rp+0]
|
|
Packit |
5c3484 |
|
|
Packit |
5c3484 |
L(done):
|
|
Packit |
5c3484 |
addx %o5, 0, %o5
|
|
Packit |
5c3484 |
ret
|
|
Packit |
5c3484 |
restore %o5, 0, %o0
|
|
Packit |
5c3484 |
EPILOGUE()
|