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1.1 ! maekawa 1: dnl SPARC v9 32-bit mpn_mul_1 -- Multiply a limb vector with a limb and
! 2: dnl store the result in a second limb vector.
! 3:
! 4: dnl Copyright (C) 1998, 2000 Free Software Foundation, Inc.
! 5:
! 6: dnl This file is part of the GNU MP Library.
! 7:
! 8: dnl The GNU MP Library is free software; you can redistribute it and/or modify
! 9: dnl it under the terms of the GNU Lesser General Public License as published
! 10: dnl by the Free Software Foundation; either version 2.1 of the License, or (at
! 11: dnl your option) any later version.
! 12:
! 13: dnl The GNU MP Library is distributed in the hope that it will be useful, but
! 14: dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
! 15: dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
! 16: dnl License for more details.
! 17:
! 18: dnl You should have received a copy of the GNU Lesser General Public License
! 19: dnl along with the GNU MP Library; see the file COPYING.LIB. If not, write to
! 20: dnl the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
! 21: dnl MA 02111-1307, USA.
! 22:
! 23:
! 24: include(`../config.m4')
! 25:
! 26: C INPUT PARAMETERS
! 27: C res_ptr i0
! 28: C s1_ptr i1
! 29: C size i2
! 30: C s2_limb i3
! 31:
! 32: ASM_START()
! 33:
! 34: TEXT
! 35: ALIGN(4)
! 36: L(noll):
! 37: .word 0
! 38:
! 39: PROLOGUE(mpn_mul_1)
! 40: save %sp,-256,%sp
! 41:
! 42: ifdef(`PIC',
! 43: `L(pc): rd %pc,%o7
! 44: ld [%o7+L(noll)-L(pc)],%f10',
! 45: ` sethi %hi(L(noll)),%g1
! 46: ld [%g1+%lo(L(noll))],%f10')
! 47:
! 48: sethi %hi(0xffff0000),%o0
! 49: andn %i3,%o0,%o0
! 50: st %o0,[%fp-16]
! 51: ld [%fp-16],%f11
! 52: fxtod %f10,%f6
! 53:
! 54: srl %i3,16,%o0
! 55: st %o0,[%fp-16]
! 56: ld [%fp-16],%f11
! 57: fxtod %f10,%f8
! 58:
! 59: mov 0,%g3 C cy = 0
! 60:
! 61: ld [%i1],%f11
! 62: subcc %i2,1,%i2
! 63: be,pn %icc,L(end1)
! 64: add %i1,4,%i1 C s1_ptr++
! 65:
! 66: fxtod %f10,%f2
! 67: ld [%i1],%f11
! 68: add %i1,4,%i1 C s1_ptr++
! 69: fmuld %f2,%f8,%f16
! 70: fmuld %f2,%f6,%f4
! 71: fdtox %f16,%f14
! 72: std %f14,[%fp-24]
! 73: fdtox %f4,%f12
! 74: subcc %i2,1,%i2
! 75: be,pn %icc,L(end2)
! 76: std %f12,[%fp-16]
! 77:
! 78: fxtod %f10,%f2
! 79: ld [%i1],%f11
! 80: add %i1,4,%i1 C s1_ptr++
! 81: fmuld %f2,%f8,%f16
! 82: fmuld %f2,%f6,%f4
! 83: fdtox %f16,%f14
! 84: std %f14,[%fp-40]
! 85: fdtox %f4,%f12
! 86: subcc %i2,1,%i2
! 87: be,pn %icc,L(end3)
! 88: std %f12,[%fp-32]
! 89:
! 90: fxtod %f10,%f2
! 91: ld [%i1],%f11
! 92: add %i1,4,%i1 C s1_ptr++
! 93: ldx [%fp-24],%g2 C p16
! 94: fmuld %f2,%f8,%f16
! 95: ldx [%fp-16],%g1 C p0
! 96: fmuld %f2,%f6,%f4
! 97: sllx %g2,16,%g2 C align p16
! 98: fdtox %f16,%f14
! 99: add %g2,%g1,%g1 C add p16 to p0 (ADD1)
! 100: std %f14,[%fp-24]
! 101: fdtox %f4,%f12
! 102: add %i0,4,%i0 C res_ptr++
! 103: subcc %i2,1,%i2
! 104: be,pn %icc,L(end4)
! 105: std %f12,[%fp-16]
! 106:
! 107: b,a L(loopm)
! 108:
! 109: .align 16
! 110: C BEGIN LOOP
! 111: L(loop):
! 112: fxtod %f10,%f2
! 113: ld [%i1],%f11
! 114: add %i1,4,%i1 C s1_ptr++
! 115: add %g3,%g1,%g4 C p += cy
! 116: srlx %g4,32,%g3
! 117: ldx [%fp-24],%g2 C p16
! 118: fmuld %f2,%f8,%f16
! 119: ldx [%fp-16],%g1 C p0
! 120: fmuld %f2,%f6,%f4
! 121: sllx %g2,16,%g2 C align p16
! 122: st %g4,[%i0-4]
! 123: fdtox %f16,%f14
! 124: add %g2,%g1,%g1 C add p16 to p0 (ADD1)
! 125: std %f14,[%fp-24]
! 126: fdtox %f4,%f12
! 127: std %f12,[%fp-16]
! 128: subcc %i2,1,%i2
! 129: be,pn %icc,L(loope)
! 130: add %i0,4,%i0 C res_ptr++
! 131: L(loopm):
! 132: fxtod %f10,%f2
! 133: ld [%i1],%f11
! 134: add %i1,4,%i1 C s1_ptr++
! 135: add %g3,%g1,%g4 C p += cy
! 136: srlx %g4,32,%g3
! 137: ldx [%fp-40],%g2 C p16
! 138: fmuld %f2,%f8,%f16
! 139: ldx [%fp-32],%g1 C p0
! 140: fmuld %f2,%f6,%f4
! 141: sllx %g2,16,%g2 C align p16
! 142: st %g4,[%i0-4]
! 143: fdtox %f16,%f14
! 144: add %g2,%g1,%g1 C add p16 to p0 (ADD1)
! 145: std %f14,[%fp-40]
! 146: fdtox %f4,%f12
! 147: std %f12,[%fp-32]
! 148: subcc %i2,1,%i2
! 149: bne,pt %icc,L(loop)
! 150: add %i0,4,%i0 C res_ptr++
! 151: C END LOOP
! 152:
! 153: fxtod %f10,%f2
! 154: add %g3,%g1,%g4 C p += cy
! 155: srlx %g4,32,%g3
! 156: ldx [%fp-24],%g2 C p16
! 157: fmuld %f2,%f8,%f16
! 158: ldx [%fp-16],%g1 C p0
! 159: fmuld %f2,%f6,%f4
! 160: sllx %g2,16,%g2 C align p16
! 161: st %g4,[%i0-4]
! 162: b,a L(xxx)
! 163: L(loope):
! 164: L(end4):
! 165: fxtod %f10,%f2
! 166: add %g3,%g1,%g4 C p += cy
! 167: srlx %g4,32,%g3
! 168: ldx [%fp-40],%g2 C p16
! 169: fmuld %f2,%f8,%f16
! 170: ldx [%fp-32],%g1 C p0
! 171: fmuld %f2,%f6,%f4
! 172: sllx %g2,16,%g2 C align p16
! 173: st %g4,[%i0-4]
! 174: fdtox %f16,%f14
! 175: add %g2,%g1,%g1 C add p16 to p0 (ADD1)
! 176: std %f14,[%fp-40]
! 177: fdtox %f4,%f12
! 178: std %f12,[%fp-32]
! 179: add %i0,4,%i0 C res_ptr++
! 180:
! 181: add %g3,%g1,%g4 C p += cy
! 182: srlx %g4,32,%g3
! 183: ldx [%fp-24],%g2 C p16
! 184: ldx [%fp-16],%g1 C p0
! 185: sllx %g2,16,%g2 C align p16
! 186: st %g4,[%i0-4]
! 187: b,a L(yyy)
! 188:
! 189: L(end3):
! 190: fxtod %f10,%f2
! 191: ldx [%fp-24],%g2 C p16
! 192: fmuld %f2,%f8,%f16
! 193: ldx [%fp-16],%g1 C p0
! 194: fmuld %f2,%f6,%f4
! 195: sllx %g2,16,%g2 C align p16
! 196: L(xxx): fdtox %f16,%f14
! 197: add %g2,%g1,%g1 C add p16 to p0 (ADD1)
! 198: std %f14,[%fp-24]
! 199: fdtox %f4,%f12
! 200: std %f12,[%fp-16]
! 201: add %i0,4,%i0 C res_ptr++
! 202:
! 203: add %g3,%g1,%g4 C p += cy
! 204: srlx %g4,32,%g3
! 205: ldx [%fp-40],%g2 C p16
! 206: ldx [%fp-32],%g1 C p0
! 207: sllx %g2,16,%g2 C align p16
! 208: st %g4,[%i0-4]
! 209: add %g2,%g1,%g1 C add p16 to p0 (ADD1)
! 210: add %i0,4,%i0 C res_ptr++
! 211:
! 212: add %g3,%g1,%g4 C p += cy
! 213: srlx %g4,32,%g3
! 214: ldx [%fp-24],%g2 C p16
! 215: ldx [%fp-16],%g1 C p0
! 216: sllx %g2,16,%g2 C align p16
! 217: st %g4,[%i0-4]
! 218: add %g2,%g1,%g1 C add p16 to p0 (ADD1)
! 219: add %i0,4,%i0 C res_ptr++
! 220: b,a L(ret)
! 221:
! 222: L(end2):
! 223: fxtod %f10,%f2
! 224: fmuld %f2,%f8,%f16
! 225: fmuld %f2,%f6,%f4
! 226: fdtox %f16,%f14
! 227: std %f14,[%fp-40]
! 228: fdtox %f4,%f12
! 229: std %f12,[%fp-32]
! 230: ldx [%fp-24],%g2 C p16
! 231: ldx [%fp-16],%g1 C p0
! 232: sllx %g2,16,%g2 C align p16
! 233: L(yyy): add %g2,%g1,%g1 C add p16 to p0 (ADD1)
! 234: add %i0,4,%i0 C res_ptr++
! 235:
! 236: add %g3,%g1,%g4 C p += cy
! 237: srlx %g4,32,%g3
! 238: ldx [%fp-40],%g2 C p16
! 239: ldx [%fp-32],%g1 C p0
! 240: sllx %g2,16,%g2 C align p16
! 241: st %g4,[%i0-4]
! 242: add %g2,%g1,%g1 C add p16 to p0 (ADD1)
! 243: add %i0,4,%i0 C res_ptr++
! 244: b,a L(ret)
! 245:
! 246: L(end1):
! 247: fxtod %f10,%f2
! 248: fmuld %f2,%f8,%f16
! 249: fmuld %f2,%f6,%f4
! 250: fdtox %f16,%f14
! 251: std %f14,[%fp-24]
! 252: fdtox %f4,%f12
! 253: std %f12,[%fp-16]
! 254:
! 255: ldx [%fp-24],%g2 C p16
! 256: ldx [%fp-16],%g1 C p0
! 257: sllx %g2,16,%g2 C align p16
! 258: add %g2,%g1,%g1 C add p16 to p0 (ADD1)
! 259: add %i0,4,%i0 C res_ptr++
! 260:
! 261: L(ret): add %g3,%g1,%g4 C p += cy
! 262: srlx %g4,32,%g3
! 263: st %g4,[%i0-4]
! 264:
! 265: ret
! 266: restore %g0,%g3,%o0 C sideeffect: put cy in retreg
! 267: EPILOGUE(mpn_mul_1)