diff options
Diffstat (limited to 'mpi/pentium4/sse2/mpih-mul1.S')
-rw-r--r-- | mpi/pentium4/sse2/mpih-mul1.S | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/mpi/pentium4/sse2/mpih-mul1.S b/mpi/pentium4/sse2/mpih-mul1.S deleted file mode 100644 index a0c98fb4..00000000 --- a/mpi/pentium4/sse2/mpih-mul1.S +++ /dev/null @@ -1,96 +0,0 @@ -/* Intel Pentium-4 mpn_mul_1 -- Multiply a limb vector with a limb and store - * the result in a second limb vector. - * - * Copyright 2001, 2002, 2003, 2005 Free Software Foundation, Inc. - * - * This file is part of Libgcrypt. - * - * Libgcrypt 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. - * - * Libgcrypt 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 this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - * - * Note: This code is heavily based on the GNU MP Library. - * Actually it's the same code with only minor changes in the - * way the data is stored; this is to support the abstraction - * of an optional secure memory allocation which may be used - * to avoid revealing of sensitive data due to paging etc. - */ - - -#include "sysdep.h" -#include "asm-syntax.h" - - -/******************* - * mpi_limb_t - * _gcry_mpih_mul_1( mpi_ptr_t res_ptr, (sp + 4) - * mpi_ptr_t s1_ptr, (sp + 8) - * mpi_size_t s1_size, (sp + 12) - * mpi_limb_t s2_limb) (sp + 16) - * - * src != dst src == dst - * P6 model 9 (Banias) ?.? - * P6 model 13 (Dothan) 4.75 4.75 - * P4 model 0 (Willamette) 4.0 6.0 - * P4 model 1 (?) 4.0 6.0 - * P4 model 2 (Northwood) 4.0 6.0 - * P4 model 3 (Prescott) ?.? ?.? - * P4 model 4 (Nocona) ?.? ?.? - * Unfortunately when src==dst the write-combining described in - * pentium4/README takes us up to 6 c/l. - * - */ - - TEXT - ALIGN (3) - GLOBL C_SYMBOL_NAME(_gcry_mpih_mul_1) -C_SYMBOL_NAME(_gcry_mpih_mul_1:); - - pxor %mm0, %mm0 - -.Lstart_1c: - movl 8(%esp), %eax - movd 16(%esp), %mm7 - movl 4(%esp), %edx - movl 12(%esp), %ecx - -.Ltop: - -/* - C eax src, incrementing - C ebx - C ecx counter, size iterations - C edx dst, incrementing - C - C mm0 carry limb - C mm7 multiplier -*/ - - movd (%eax), %mm1 - addl $4, %eax - pmuludq %mm7, %mm1 - - paddq %mm1, %mm0 - movd %mm0, (%edx) - addl $4, %edx - - psrlq $32, %mm0 - - subl $1, %ecx - jnz .Ltop - - - movd %mm0, %eax - emms - ret - |