1 /* i80386 __mpn_submul_1 -- Multiply a limb vector with a limb and subtract
2 the result from a second limb vector.
3 Copyright (C) 1992,1994,1997,1998,2000,2005 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)
49 cfi_rel_offset (edi, 12)
50 cfi_rel_offset (esi, 8)
51 cfi_rel_offset (ebp, 4)
52 cfi_rel_offset (ebx, 0)
54 movl RES(%esp), %res_ptr
55 movl S1(%esp), %s1_ptr
56 movl SIZE(%esp), %sizeP
57 movl S2LIMB(%esp), %s2_limb
58 #if __BOUNDED_POINTERS__
59 shll $2, %sizeP /* convert limbs to bytes */
60 CHECK_BOUNDS_BOTH_WIDE (%res_ptr, RES(%esp), %sizeP)
61 CHECK_BOUNDS_BOTH_WIDE (%s1_ptr, S1(%esp), %sizeP)
64 leal (%res_ptr,%sizeP,4), %res_ptr
65 leal (%s1_ptr,%sizeP,4), %s1_ptr
70 movl (%s1_ptr,%sizeP,4), %eax
74 subl %eax, (%res_ptr,%sizeP,4)
83 cfi_adjust_cfa_offset (-4)
86 cfi_adjust_cfa_offset (-4)
89 cfi_adjust_cfa_offset (-4)
92 cfi_adjust_cfa_offset (-4)
97 END (BP_SYM (__mpn_submul_1))