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Annotation of OpenXM_contrib/gmp/mpn/x86/pentium/aorsmul_1.asm, Revision 1.1.1.1

1.1       maekawa     1: dnl  Intel Pentium mpn_addmul_1 -- mpn by limb multiplication.
                      2: dnl
                      3: dnl  P5: 14.0 cycles/limb
                      4:
                      5:
                      6: dnl  Copyright (C) 1992, 1994, 1996, 1999, 2000 Free Software Foundation,
                      7: dnl  Inc.
                      8: dnl
                      9: dnl  This file is part of the GNU MP Library.
                     10: dnl
                     11: dnl  The GNU MP Library is free software; you can redistribute it and/or
                     12: dnl  modify it under the terms of the GNU Lesser General Public License as
                     13: dnl  published by the Free Software Foundation; either version 2.1 of the
                     14: dnl  License, or (at your option) any later version.
                     15: dnl
                     16: dnl  The GNU MP Library is distributed in the hope that it will be useful,
                     17: dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
                     18: dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
                     19: dnl  Lesser General Public License for more details.
                     20: dnl
                     21: dnl  You should have received a copy of the GNU Lesser General Public
                     22: dnl  License along with the GNU MP Library; see the file COPYING.LIB.  If
                     23: dnl  not, write to the Free Software Foundation, Inc., 59 Temple Place -
                     24: dnl  Suite 330, Boston, MA 02111-1307, USA. */
                     25:
                     26:
                     27: include(`../config.m4')
                     28:
                     29:
                     30: ifdef(`OPERATION_addmul_1', `
                     31:       define(M4_inst,        addl)
                     32:       define(M4_function_1,  mpn_addmul_1)
                     33:
                     34: ',`ifdef(`OPERATION_submul_1', `
                     35:       define(M4_inst,        subl)
                     36:       define(M4_function_1,  mpn_submul_1)
                     37:
                     38: ',`m4_error(`Need OPERATION_addmul_1 or OPERATION_submul_1
                     39: ')')')
                     40:
                     41: MULFUNC_PROLOGUE(mpn_addmul_1 mpn_submul_1)
                     42:
                     43:
                     44: C mp_limb_t M4_function_1 (mp_ptr dst, mp_srcptr src, mp_size_t size,
                     45: C                          mp_limb_t mult);
                     46:
                     47: defframe(PARAM_MULTIPLIER,16)
                     48: defframe(PARAM_SIZE,      12)
                     49: defframe(PARAM_SRC,       8)
                     50: defframe(PARAM_DST,       4)
                     51:
                     52:        .text
                     53:        ALIGN(8)
                     54:
                     55: PROLOGUE(M4_function_1)
                     56:
                     57:        pushl   %edi
                     58:        pushl   %esi
                     59:        pushl   %ebx
                     60:        pushl   %ebp
                     61: deflit(`FRAME',16)
                     62:
                     63:        movl    PARAM_DST, %edi
                     64:        movl    PARAM_SRC, %esi
                     65:        movl    PARAM_SIZE, %ecx
                     66:        movl    PARAM_MULTIPLIER, %ebp
                     67:
                     68:        leal    (%edi,%ecx,4), %edi
                     69:        leal    (%esi,%ecx,4), %esi
                     70:        negl    %ecx
                     71:        xorl    %ebx, %ebx
                     72:        ALIGN(8)
                     73:
                     74: L(oop):        adcl    $0, %ebx
                     75:        movl    (%esi,%ecx,4), %eax
                     76:
                     77:        mull    %ebp
                     78:
                     79:        addl    %ebx, %eax
                     80:        movl    (%edi,%ecx,4), %ebx
                     81:
                     82:        adcl    $0, %edx
                     83:        M4_inst %eax, %ebx
                     84:
                     85:        movl    %ebx, (%edi,%ecx,4)
                     86:        incl    %ecx
                     87:
                     88:        movl    %edx, %ebx
                     89:        jnz     L(oop)
                     90:
                     91:        adcl    $0, %ebx
                     92:        movl    %ebx, %eax
                     93:        popl    %ebp
                     94:        popl    %ebx
                     95:        popl    %esi
                     96:        popl    %edi
                     97:        ret
                     98:
                     99: EPILOGUE()