hamdist.asm revision 1.1
1 1.1 mrg dnl SPARC v9 mpn_hamdist for T3/T4. 2 1.1 mrg 3 1.1 mrg dnl Contributed to the GNU project by David Miller. 4 1.1 mrg 5 1.1 mrg dnl Copyright 2013 Free Software Foundation, Inc. 6 1.1 mrg 7 1.1 mrg dnl This file is part of the GNU MP Library. 8 1.1 mrg dnl 9 1.1 mrg dnl The GNU MP Library is free software; you can redistribute it and/or modify 10 1.1 mrg dnl it under the terms of either: 11 1.1 mrg dnl 12 1.1 mrg dnl * the GNU Lesser General Public License as published by the Free 13 1.1 mrg dnl Software Foundation; either version 3 of the License, or (at your 14 1.1 mrg dnl option) any later version. 15 1.1 mrg dnl 16 1.1 mrg dnl or 17 1.1 mrg dnl 18 1.1 mrg dnl * the GNU General Public License as published by the Free Software 19 1.1 mrg dnl Foundation; either version 2 of the License, or (at your option) any 20 1.1 mrg dnl later version. 21 1.1 mrg dnl 22 1.1 mrg dnl or both in parallel, as here. 23 1.1 mrg dnl 24 1.1 mrg dnl The GNU MP Library is distributed in the hope that it will be useful, but 25 1.1 mrg dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 26 1.1 mrg dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 27 1.1 mrg dnl for more details. 28 1.1 mrg dnl 29 1.1 mrg dnl You should have received copies of the GNU General Public License and the 30 1.1 mrg dnl GNU Lesser General Public License along with the GNU MP Library. If not, 31 1.1 mrg dnl see https://www.gnu.org/licenses/. 32 1.1 mrg 33 1.1 mrg include(`../config.m4') 34 1.1 mrg 35 1.1 mrg C cycles/limb 36 1.1 mrg C UltraSPARC T3: 18 37 1.1 mrg C UltraSPARC T4: 3.5 38 1.1 mrg 39 1.1 mrg C INPUT PARAMETERS 40 1.1 mrg define(`up', `%o0') 41 1.1 mrg define(`vp', `%o1') 42 1.1 mrg define(`n', `%o2') 43 1.1 mrg define(`pcnt', `%o5') 44 1.1 mrg 45 1.1 mrg ASM_START() 46 1.1 mrg REGISTER(%g2,#scratch) 47 1.1 mrg REGISTER(%g3,#scratch) 48 1.1 mrg PROLOGUE(mpn_hamdist) 49 1.1 mrg subcc n, 1, n 50 1.1 mrg be L(final_one) 51 1.1 mrg clr pcnt 52 1.1 mrg L(top): 53 1.1 mrg ldx [up + 0], %g1 54 1.1 mrg ldx [vp + 0], %g2 55 1.1 mrg ldx [up + 8], %o4 56 1.1 mrg ldx [vp + 8], %g3 57 1.1 mrg sub n, 2, n 58 1.1 mrg xor %g1, %g2, %g1 59 1.1 mrg add up, 16, up 60 1.1 mrg popc %g1, %g2 61 1.1 mrg add vp, 16, vp 62 1.1 mrg xor %o4, %g3, %o4 63 1.1 mrg add pcnt, %g2, pcnt 64 1.1 mrg popc %o4, %g3 65 1.1 mrg brgz n, L(top) 66 1.1 mrg add pcnt, %g3, pcnt 67 1.1 mrg brlz,pt n, L(done) 68 1.1 mrg nop 69 1.1 mrg L(final_one): 70 1.1 mrg ldx [up + 0], %g1 71 1.1 mrg ldx [vp + 0], %g2 72 1.1 mrg xor %g1,%g2, %g1 73 1.1 mrg popc %g1, %g2 74 1.1 mrg add pcnt, %g2, pcnt 75 1.1 mrg L(done): 76 1.1 mrg retl 77 1.1 mrg mov pcnt, %o0 78 1.1 mrg EPILOGUE() 79
Indexes created Sun Mar 01 05:31:48 UTC 2026