projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 8f5ca04b RM |
1 | /* Pentium __mpn_addmul_1 -- Multiply a limb vector with a limb and add |
| 2 | the result to a second limb vector. | |
| 1ad9da69 | 3 | Copyright (C) 1992, 94, 96, 97, 98, 00, 2005 Free Software Foundation, Inc. |
| 5929563f | 4 | This file is part of the GNU MP Library. |
| 8f5ca04b | 5 | |
| 5929563f | 6 | The GNU MP Library is free software; you can redistribute it and/or modify |
| 6d84f89a AJ |
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 | |
| 5929563f | 9 | option) any later version. |
| 8f5ca04b | 10 | |
| 5929563f UD |
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 | |
| 6d84f89a | 13 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
| 5929563f | 14 | License for more details. |
| 8f5ca04b | 15 | |
| 6d84f89a | 16 | You should have received a copy of the GNU Lesser General Public License |
| 5929563f UD |
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. */ | |
| 8f5ca04b | 20 | |
| 8f5ca04b RM |
21 | #include "sysdep.h" |
| 22 | #include "asm-syntax.h" | |
| 2fc08826 | 23 | #include "bp-sym.h" |
| 43c81906 GM |
24 | #include "bp-asm.h" |
| 25 | ||
| 26 | #define PARMS LINKAGE+16 /* space for 4 saved regs */ | |
| 27 | #define RES PARMS | |
| 28 | #define S1 RES+PTR_SIZE | |
| 29 | #define SIZE S1+PTR_SIZE | |
| 30 | #define S2LIMB SIZE+4 | |
| 8f5ca04b RM |
31 | |
| 32 | #define res_ptr edi | |
| 33 | #define s1_ptr esi | |
| 6b628d36 | 34 | #define size ecx |
| f9e7bbce | 35 | #define s2_limb ebx |
| 8f5ca04b | 36 | |
| ae828bc6 | 37 | .text |
| 2fc08826 | 38 | ENTRY (BP_SYM (__mpn_addmul_1)) |
| 43c81906 GM |
39 | ENTER |
| 40 | ||
| fee732e5 | 41 | pushl %res_ptr |
| 1ad9da69 | 42 | cfi_adjust_cfa_offset (4) |
| fee732e5 | 43 | pushl %s1_ptr |
| 1ad9da69 | 44 | cfi_adjust_cfa_offset (4) |
| 43c81906 | 45 | pushl %ebp |
| 1ad9da69 | 46 | cfi_adjust_cfa_offset (4) |
| fee732e5 | 47 | pushl %s2_limb |
| 1ad9da69 | 48 | cfi_adjust_cfa_offset (4) |
| 43c81906 GM |
49 | |
| 50 | movl RES(%esp), %res_ptr | |
| 1ad9da69 | 51 | cfi_rel_offset (res_ptr, 12) |
| 43c81906 | 52 | movl S1(%esp), %s1_ptr |
| 1ad9da69 | 53 | cfi_rel_offset (s1_ptr, 8) |
| 43c81906 GM |
54 | movl SIZE(%esp), %size |
| 55 | movl S2LIMB(%esp), %s2_limb | |
| 1ad9da69 | 56 | cfi_rel_offset (s2_limb, 0) |
| 2fc08826 GM |
57 | #if __BOUNDED_POINTERS__ |
| 58 | shll $2, %size /* convert limbs to bytes */ | |
| 59 | CHECK_BOUNDS_BOTH_WIDE (%res_ptr, RES(%esp), %size) | |
| 60 | CHECK_BOUNDS_BOTH_WIDE (%s1_ptr, S1(%esp), %size) | |
| 2fc08826 GM |
61 | shrl $2, %size |
| 62 | #endif | |
| 43c81906 GM |
63 | leal (%res_ptr,%size,4), %res_ptr |
| 64 | leal (%s1_ptr,%size,4), %s1_ptr | |
| 65 | negl %size | |
| f9e7bbce | 66 | xorl %ebp, %ebp |
| 1ad9da69 | 67 | cfi_rel_offset (ebp, 4) |
| 8f5ca04b | 68 | ALIGN (3) |
| 6b628d36 | 69 | |
| f9e7bbce | 70 | L(oop): adcl $0, %ebp |
| 43c81906 GM |
71 | movl (%s1_ptr,%size,4), %eax |
| 72 | ||
| 73 | mull %s2_limb | |
| 8f5ca04b | 74 | |
| f9e7bbce GM |
75 | addl %ebp, %eax |
| 76 | movl (%res_ptr,%size,4), %ebp | |
| 8f5ca04b | 77 | |
| 43c81906 | 78 | adcl $0, %edx |
| f9e7bbce | 79 | addl %eax, %ebp |
| 8f5ca04b | 80 | |
| f9e7bbce | 81 | movl %ebp, (%res_ptr,%size,4) |
| 43c81906 | 82 | incl %size |
| 8f5ca04b | 83 | |
| f9e7bbce | 84 | movl %edx, %ebp |
| 43c81906 | 85 | jnz L(oop) |
| 8f5ca04b | 86 | |
| f9e7bbce GM |
87 | adcl $0, %ebp |
| 88 | movl %ebp, %eax | |
| fee732e5 | 89 | popl %s2_limb |
| 1ad9da69 | 90 | cfi_adjust_cfa_offset (-4) |
| fee732e5 | 91 | cfi_restore (s2_limb) |
| f9e7bbce | 92 | popl %ebp |
| 1ad9da69 UD |
93 | cfi_adjust_cfa_offset (-4) |
| 94 | cfi_restore (ebp) | |
| fee732e5 | 95 | popl %s1_ptr |
| 1ad9da69 | 96 | cfi_adjust_cfa_offset (-4) |
| fee732e5 UD |
97 | cfi_restore (s1_ptr) |
| 98 | popl %res_ptr | |
| 1ad9da69 | 99 | cfi_adjust_cfa_offset (-4) |
| fee732e5 | 100 | cfi_restore (res_ptr) |
| 8f5ca04b | 101 | |
| 43c81906 | 102 | LEAVE |
| 8f5ca04b | 103 | ret |
| ae828bc6 | 104 | #undef size |
| 2fc08826 | 105 | END (BP_SYM (__mpn_addmul_1)) |