68 lines
1.8 KiB
NASM
68 lines
1.8 KiB
NASM
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dnl Alpha mpn_sqr_diagonal.
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dnl Copyright 2001, 2002 Free Software Foundation, Inc.
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dnl This file is part of the GNU MP Library.
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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 the GNU Lesser General Public License as published
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dnl by the Free Software Foundation; either version 2.1 of the License, or (at
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dnl your option) any later version.
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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 Lesser General Public
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dnl License for more details.
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dnl You should have received a copy of the GNU Lesser General Public License
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dnl along with the GNU MP Library; see the file COPYING.LIB. If not, write
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dnl to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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dnl Boston, MA 02110-1301, USA.
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include(`../config.m4')
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C cycles/limb
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C EV4: 42
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C EV5: 18
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C EV6: 4
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C INPUT PARAMETERS
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C rp r16
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C up r17
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C n r18
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ASM_START()
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PROLOGUE(mpn_sqr_diagonal)
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ldq r2,0(r17) C r2 = s1_limb
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lda r18,-2(r18) C size -= 2
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mulq r2,r2,r3 C r3 = prod_low
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umulh r2,r2,r4 C r4 = prod_high
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blt r18,$Lend1 C jump if size was == 1
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ldq r2,8(r17) C r2 = s1_limb
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beq r18,$Lend2 C jump if size was == 2
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ALIGN(8)
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$Loop: stq r3,0(r16)
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mulq r2,r2,r3 C r3 = prod_low
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lda r18,-1(r18) C size--
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stq r4,8(r16)
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umulh r2,r2,r4 C r4 = cy_limb
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ldq r2,16(r17) C r2 = s1_limb
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lda r17,8(r17) C s1_ptr++
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lda r16,16(r16) C res_ptr++
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bne r18,$Loop
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$Lend2: stq r3,0(r16)
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mulq r2,r2,r3 C r3 = prod_low
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stq r4,8(r16)
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umulh r2,r2,r4 C r4 = cy_limb
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stq r3,16(r16)
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stq r4,24(r16)
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ret r31,(r26),1
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$Lend1: stq r3,0(r16)
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stq r4,8(r16)
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ret r31,(r26),1
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EPILOGUE(mpn_sqr_diagonal)
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ASM_END()
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