Blame mpn/sparc64/ultrasparct1/addmul_1.asm
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dnl SPARC v9 mpn_addmul_1 for T1/T2.
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dnl Copyright 2010 Free Software Foundation, Inc.
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dnl This file is part of the GNU MP Library.
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dnl
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dnl The GNU MP Library is free software; you can redistribute it and/or modify
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dnl it under the terms of either:
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dnl
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dnl * the GNU Lesser General Public License as published by the Free
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dnl Software Foundation; either version 3 of the License, or (at your
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dnl option) any later version.
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dnl
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dnl or
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dnl
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dnl * the GNU General Public License as published by the Free Software
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dnl Foundation; either version 2 of the License, or (at your option) any
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dnl later version.
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dnl
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dnl or both in parallel, as here.
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dnl
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dnl The GNU MP Library is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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dnl for more details.
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dnl
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dnl You should have received copies of the GNU General Public License and the
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dnl GNU Lesser General Public License along with the GNU MP Library. If not,
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dnl see https://www.gnu.org/licenses/.
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include(`../config.m4')
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C cycles/limb
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C UltraSPARC T1: 74
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C UltraSPARC T2: ?
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C INPUT PARAMETERS
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define(`rp', `%i0')
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define(`up', `%i1')
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define(`n', `%i2')
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define(`v0', `%i3')
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ASM_START()
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REGISTER(%g2,#scratch)
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REGISTER(%g3,#scratch)
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PROLOGUE(mpn_addmul_1)
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save %sp, -176, %sp
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mov 1, %o2
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mov %i0, %g2
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srlx %i3, 32, %o4
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sllx %o2, 32, %o2
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srl %i3, 0, %i3
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mov 0, %g3
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mov 0, %i0
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L(top): ldx [%i1+%g3], %g1
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srl %g1, 0, %g4
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mulx %g4, %i3, %o5
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srlx %g1, 32, %g1
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mulx %g1, %i3, %g5
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mulx %g4, %o4, %g4
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mulx %g1, %o4, %g1
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srlx %o5, 32, %o1
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add %g5, %o1, %o1
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addcc %o1, %g4, %g4
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srl %o5, 0, %o0
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ldx [%g2+%g3], %o5
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sllx %g4, 32, %o1
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add %g1, %o2, %l1
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movlu %xcc, %l1, %g1
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add %o1, %o0, %l0
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addcc %l0, %i0, %g5
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srlx %g4, 32, %i0
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add %i0, 1, %g4
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movlu %xcc, %g4, %i0
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addcc %o5, %g5, %g5
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stx %g5, [%g2+%g3]
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add %i0, 1, %g4
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movlu %xcc, %g4, %i0
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add %i2, -1, %i2
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add %i0, %g1, %i0
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brnz,pt %i2, L(top)
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add %g3, 8, %g3
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return %i7+8
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nop
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EPILOGUE()
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