/* Pentium __mpn_addmul_1 -- Multiply a limb vector with a limb and add the result to a second limb vector. Copyright (C) 1992, 94, 96, 97, 98, 00 Free Software Foundation, Inc. This file is part of the GNU MP Library. The GNU MP Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The GNU MP Library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU MP Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "sysdep.h" #include "asm-syntax.h" #include "bp-asm.h" #define PARMS LINKAGE+16 /* space for 4 saved regs */ #define RES PARMS #define S1 RES+PTR_SIZE #define SIZE S1+PTR_SIZE #define S2LIMB SIZE+4 #define res_ptr edi #define s1_ptr esi #define size ecx #define s2_limb ebp .text ENTRY(__mpn_addmul_1) ENTER pushl %edi pushl %esi pushl %ebx pushl %ebp movl RES(%esp), %res_ptr movl S1(%esp), %s1_ptr movl SIZE(%esp), %size movl S2LIMB(%esp), %s2_limb leal (%res_ptr,%size,4), %res_ptr leal (%s1_ptr,%size,4), %s1_ptr negl %size xorl %ebx, %ebx ALIGN (3) L(oop): adcl $0, %ebx movl (%s1_ptr,%size,4), %eax mull %s2_limb addl %ebx, %eax movl (%res_ptr,%size,4), %ebx adcl $0, %edx addl %eax, %ebx movl %ebx, (%res_ptr,%size,4) incl %size movl %edx, %ebx jnz L(oop) adcl $0, %ebx movl %ebx, %eax popl %ebp popl %ebx popl %esi popl %edi LEAVE ret #undef size END(__mpn_addmul_1)