sqr_diagonal.asm
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上传日期:2022-08-06
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- dnl PowerPC-64 mpn_sqr_diagonal.
- dnl Copyright 2001, 2002, 2003, 2005, 2006 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 POWER3/PPC630: 18
- C POWER4/PPC970: 8
- C INPUT PARAMETERS
- C rp r3
- C up r4
- C n r5
- ASM_START()
- PROLOGUE(mpn_sqr_diagonal)
- ifdef(`HAVE_ABI_mode32',
- ` rldicl r5, r5, 0, 32') C zero extend n
- mtctr r5
- ld r0, 0(r4)
- bdz L(end)
- ALIGN(16)
- L(top): mulld r5, r0, r0
- mulhdu r6, r0, r0
- ld r0, 8(r4)
- addi r4, r4, 8
- std r5, 0(r3)
- std r6, 8(r3)
- addi r3, r3, 16
- bdnz L(top)
- L(end): mulld r5, r0, r0
- mulhdu r6, r0, r0
- std r5, 0(r3)
- std r6, 8(r3)
- blr
- EPILOGUE()