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1.1 ! ohara 1: dnl IA-64 mpn_copyi -- copy limb vector, incrementing.
! 2:
! 3: dnl Copyright 2001, 2002 Free Software Foundation, Inc.
! 4:
! 5: dnl This file is part of the GNU MP Library.
! 6:
! 7: dnl The GNU MP Library is free software; you can redistribute it and/or modify
! 8: dnl it under the terms of the GNU Lesser General Public License as published
! 9: dnl by the Free Software Foundation; either version 2.1 of the License, or (at
! 10: dnl your option) any later version.
! 11:
! 12: dnl The GNU MP Library is distributed in the hope that it will be useful, but
! 13: dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 14: dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
! 15: dnl License for more details.
! 16:
! 17: dnl You should have received a copy of the GNU Lesser General Public License
! 18: dnl along with the GNU MP Library; see the file COPYING.LIB. If not, write to
! 19: dnl the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
! 20: dnl MA 02111-1307, USA.
! 21:
! 22: include(`../config.m4')
! 23:
! 24: C INPUT PARAMETERS
! 25: C rp = r32
! 26: C sp = r33
! 27: C n = r34
! 28:
! 29: ASM_START()
! 30: PROLOGUE(mpn_copyi)
! 31: .prologue
! 32: .save ar.lc, r2
! 33: mov r2 = ar.lc
! 34: .body
! 35: ifdef(`HAVE_ABI_32',
! 36: ` addp4 r32 = 0, r32
! 37: addp4 r33 = 0, r33
! 38: sxt4 r34 = r34
! 39: ;;
! 40: ')
! 41: and r14 = 3, r34
! 42: cmp.ge p14, p15 = 3, r34
! 43: add r34 = -4, r34
! 44: ;;
! 45: cmp.eq p8, p9 = 1, r14
! 46: cmp.eq p10, p11 = 2, r14
! 47: cmp.eq p12, p13 = 3, r14
! 48: ;;
! 49: (p8) br.dptk .Lb01
! 50: (p10) br.dptk .Lb10
! 51: (p12) br.dptk .Lb11
! 52:
! 53: .Lb00: C n = 4, 8, 12, ...
! 54: (p14) br.dptk .Ls00
! 55: ;;
! 56: ld8 r16 = [r33], 8
! 57: shr r15 = r34, 2
! 58: ;;
! 59: ld8 r17 = [r33], 8
! 60: mov ar.lc = r15
! 61: ;;
! 62: ld8 r18 = [r33], 8
! 63: ;;
! 64: ld8 r19 = [r33], 8
! 65: br.cloop.dptk .Loop
! 66: ;;
! 67: br.sptk .Lend
! 68: ;;
! 69:
! 70: .Lb01: C n = 1, 5, 9, 13, ...
! 71: ld8 r19 = [r33], 8
! 72: shr r15 = r34, 2
! 73: (p14) br.dptk .Ls01
! 74: ;;
! 75: ld8 r16 = [r33], 8
! 76: mov ar.lc = r15
! 77: ;;
! 78: ld8 r17 = [r33], 8
! 79: ;;
! 80: ld8 r18 = [r33], 8
! 81: br.sptk .Li01
! 82: ;;
! 83:
! 84: .Lb10: C n = 2,6, 10, 14, ...
! 85: ld8 r18 = [r33], 8
! 86: shr r15 = r34, 2
! 87: ;;
! 88: ld8 r19 = [r33], 8
! 89: mov ar.lc = r15
! 90: (p14) br.dptk .Ls10
! 91: ;;
! 92: ld8 r16 = [r33], 8
! 93: ;;
! 94: ld8 r17 = [r33], 8
! 95: br.sptk .Li10
! 96: ;;
! 97:
! 98: .Lb11: C n = 3, 7, 11, 15, ...
! 99: ld8 r17 = [r33], 8
! 100: shr r15 = r34, 2
! 101: ;;
! 102: ld8 r18 = [r33], 8
! 103: mov ar.lc = r15
! 104: ;;
! 105: ld8 r19 = [r33], 8
! 106: (p14) br.dptk .Ls11
! 107: ;;
! 108: ld8 r16 = [r33], 8
! 109: br.sptk .Li11
! 110: ;;
! 111:
! 112: .Loop:
! 113: .Li00:
! 114: { .mmb; st8 [r32] = r16, 8
! 115: ld8 r16 = [r33], 8
! 116: ;;
! 117: }
! 118: .Li11:
! 119: { .mmb; st8 [r32] = r17, 8
! 120: ld8 r17 = [r33], 8
! 121: ;;
! 122: }
! 123: .Li10:
! 124: { .mmb; st8 [r32] = r18, 8
! 125: ld8 r18 = [r33], 8
! 126: ;;
! 127: }
! 128: .Li01:
! 129: { .mmb; st8 [r32] = r19, 8
! 130: ld8 r19 = [r33], 8
! 131: br.cloop.dptk .Loop
! 132: ;;
! 133: }
! 134: .Lend: st8 [r32] = r16, 8
! 135: ;;
! 136: .Ls11: st8 [r32] = r17, 8
! 137: ;;
! 138: .Ls10: st8 [r32] = r18, 8
! 139: ;;
! 140: .Ls01: st8 [r32] = r19, 8
! 141: .Ls00:
! 142: mov ar.lc = r2
! 143: br.ret.sptk.many rp
! 144: EPILOGUE(mpn_copyi)
! 145: ASM_END()