/* 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 Lesser General Public License as published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser 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-sym.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 ebx .text ENTRY (BP_SYM (__mpn_addmul_1)) ENTER pushl %edi pushl %esi pushl %ebp pushl %ebx movl RES(%esp), %res_ptr movl S1(%esp), %s1_ptr movl SIZE(%esp), %size movl S2LIMB(%esp), %s2_limb #if __BOUNDED_POINTERS__ shll $2, %size /* convert limbs to bytes */ CHECK_BOUNDS_BOTH_WIDE (%res_ptr, RES(%esp), %size) CHECK_BOUNDS_BOTH_WIDE (%s1_ptr, S1(%esp), %size) shrl $2, %size #endif leal (%res_ptr,%size,4), %res_ptr leal (%s1_ptr,%size,4), %s1_ptr negl %size xorl %ebp, %ebp ALIGN (3) L(oop): adcl $0, %ebp movl (%s1_ptr,%size,4), %eax mull %s2_limb addl %ebp, %eax movl (%res_ptr,%size,4), %ebp adcl $0, %edx addl %eax, %ebp movl %ebp, (%res_ptr,%size,4) incl %size movl %edx, %ebp jnz L(oop) adcl $0, %ebp movl %ebp, %eax popl %ebx popl %ebp popl %esi popl %edi LEAVE ret #undef size END (BP_SYM (__mpn_addmul_1))