1 /* Pentium __mpn_submul_1 -- Multiply a limb vector with a limb and subtract
2 the result from a second limb vector.
3 Copyright (C) 1992, 94, 96, 97, 98, 00, 2005 Free Software Foundation, Inc.
4 This file is part of the GNU MP Library.
6 The GNU MP Library is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or (at your
9 option) any later version.
11 The GNU MP Library is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14 License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with the GNU MP Library; see the file COPYING.LIB. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
19 MA 02111-1307, USA. */
22 #include "asm-syntax.h"
26 #define PARMS LINKAGE+16 /* space for 4 saved regs */
28 #define S1 RES+PTR_SIZE
29 #define SIZE S1+PTR_SIZE
38 ENTRY (BP_SYM (__mpn_submul_1))
42 cfi_adjust_cfa_offset (4)
44 cfi_adjust_cfa_offset (4)
46 cfi_adjust_cfa_offset (4)
48 cfi_adjust_cfa_offset (4)
50 movl RES(%esp), %res_ptr
51 cfi_rel_offset (res_ptr, 12)
52 movl S1(%esp), %s1_ptr
53 cfi_rel_offset (s1_ptr, 8)
54 movl SIZE(%esp), %size
55 movl S2LIMB(%esp), %s2_limb
56 cfi_rel_offset (s2_limb, 0)
57 #if __BOUNDED_POINTERS__
58 shll $2, %sizeP /* convert limbs to bytes */
59 CHECK_BOUNDS_BOTH_WIDE (%res_ptr, RES(%esp), %sizeP)
60 CHECK_BOUNDS_BOTH_WIDE (%s1_ptr, S1(%esp), %sizeP)
63 leal (%res_ptr,%size,4), %res_ptr
64 leal (%s1_ptr,%size,4), %s1_ptr
67 cfi_rel_offset (ebp, 4)
71 movl (%s1_ptr,%size,4), %eax
76 movl (%res_ptr,%size,4), %ebp
81 movl %ebp, (%res_ptr,%size,4)
90 cfi_adjust_cfa_offset (-4)
93 cfi_adjust_cfa_offset (-4)
96 cfi_adjust_cfa_offset (-4)
99 cfi_adjust_cfa_offset (-4)
100 cfi_restore (res_ptr)
105 END (BP_SYM (__mpn_submul_1))