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Diffstat (limited to 'mpi/m68k/mc68020/mpih-mul2.S')
-rw-r--r-- | mpi/m68k/mc68020/mpih-mul2.S | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/mpi/m68k/mc68020/mpih-mul2.S b/mpi/m68k/mc68020/mpih-mul2.S deleted file mode 100644 index 7c492ffb2..000000000 --- a/mpi/m68k/mc68020/mpih-mul2.S +++ /dev/null @@ -1,96 +0,0 @@ -/* mc68020 __mpn_addmul_1 -- Multiply a limb vector with a limb and add - * the result to a second limb vector. - * - * Copyright (C) 1992, 1994, 1996, 1998, - * 2001 Free Software Foundation, Inc. - * - * This file is part of GnuPG. - * - * GnuPG is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * GnuPG is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - * - * Note: This code is heavily based on the GNU MP Library. - * Actually it's the same code with only minor changes in the - * way the data is stored; this is to support the abstraction - * of an optional secure memory allocation which may be used - * to avoid revealing of sensitive data due to paging etc. - * The GNU MP Library itself is published under the LGPL; - * however I decided to publish this code under the plain GPL. - */ - - -#include "sysdep.h" -#include "asm-syntax.h" - -/******************* - * mpi_limb_t - * mpihelp_addmul_1( mpi_ptr_t res_ptr, (sp + 4) - * mpi_ptr_t s1_ptr, (sp + 8) - * mpi_size_t s1_size, (sp + 12) - * mpi_limb_t s2_limb) (sp + 16) - */ - - - TEXT - ALIGN - GLOBL C_SYMBOL_NAME(mpihelp_addmul_1) - -C_SYMBOL_NAME(mpihelp_addmul_1:) -PROLOG(mpihelp_addmul_1) - -#define res_ptr a0 -#define s1_ptr a1 -#define s1_size d2 -#define s2_limb d4 - -/* Save used registers on the stack. */ - moveml R(d2)-R(d5),MEM_PREDEC(sp) - -/* Copy the arguments to registers. Better use movem? */ - movel MEM_DISP(sp,20),R(res_ptr) - movel MEM_DISP(sp,24),R(s1_ptr) - movel MEM_DISP(sp,28),R(s1_size) - movel MEM_DISP(sp,32),R(s2_limb) - - eorw #1,R(s1_size) - clrl R(d1) - clrl R(d5) - lsrl #1,R(s1_size) - bcc L(L1) - subql #1,R(s1_size) - subl R(d0),R(d0) /* (d0,cy) <= (0,0) */ - -L(Loop:) - movel MEM_POSTINC(s1_ptr),R(d3) - mulul R(s2_limb),R(d1):R(d3) - addxl R(d0),R(d3) - addxl R(d5),R(d1) - addl R(d3),MEM_POSTINC(res_ptr) -L(L1:) movel MEM_POSTINC(s1_ptr),R(d3) - mulul R(s2_limb),R(d0):R(d3) - addxl R(d1),R(d3) - addxl R(d5),R(d0) - addl R(d3),MEM_POSTINC(res_ptr) - - dbf R(s1_size),L(Loop) - addxl R(d5),R(d0) - subl #0x10000,R(s1_size) - bcc L(Loop) - -/* Restore used registers from stack frame. */ - moveml MEM_POSTINC(sp),R(d2)-R(d5) - - rts -EPILOG(mpihelp_addmul_1) - |