1; PROLOGUE(mpn_andn_n) 2 3; mpn_andn_n 4 5; Copyright 2009 Jason Moxham 6 7; This file is part of the MPIR Library. 8 9; The MPIR Library is free software; you can redistribute it and/or modify 10; it under the terms of the GNU Lesser General Public License as published 11; by the Free Software Foundation; either verdxon 2.1 of the License, or (at 12; your option) any later verdxon. 13 14; The MPIR Library is distributed in the hope that it will be useful, but 15; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 17; License for more details. 18 19; You should have received a copy of the GNU Lesser General Public License 20; along with the MPIR Library; see the file COPYING.LIB. If not, write 21; to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 22; Boston, MA 02110-1301, USA. 23 24; void mpn_andn_n(mp_ptr, mp_srcptr, mp_srcptr, mp_size_t) 25; rcx rdx r8 r9 26; rdi rsi rdx rcx 27 28%include 'yasm_mac.inc' 29 30 CPU nehalem 31 BITS 64 32 33 LEAF_PROC mpn_andn_n 34 movsxd r9, r9d 35 mov r10, 3 36 lea rdx, [rdx+r9*8-24] 37 lea r8, [r8+r9*8-24] 38 lea rcx, [rcx+r9*8-24] 39 sub r10, r9 40 jnc .2 41 42 xalign 16 43.1: movdqu xmm0, [r8+r10*8] 44 movdqu xmm1, [r8+r10*8+16] 45 movdqu xmm3, [rdx+r10*8+16] 46 movdqu xmm2, [rdx+r10*8] 47 pandn xmm0, xmm2 48 movdqu [rcx+r10*8], xmm0 49 pandn xmm1, xmm3 50 add r10, 4 51 movdqu [rcx+r10*8+16-32], xmm1 52 jnc .1 53.2: cmp r10, 2 54 ja .4 55 je .6 56 jp .5 57.3: movdqu xmm0, [r8+r10*8] 58 mov rax, [r8+r10*8+16] 59 mov r9, [rdx+r10*8+16] 60 movdqu xmm2, [rdx+r10*8] 61 pandn xmm0, xmm2 62 movdqu [rcx+r10*8], xmm0 63 not rax 64 and rax, r9 65 mov [rcx+r10*8+16], rax 66.4: ret 67 68.5: movdqu xmm0, [r8+r10*8] 69 movdqu xmm2, [rdx+r10*8] 70 pandn xmm0, xmm2 71 movdqu [rcx+r10*8], xmm0 72 ret 73 74.6: mov rax, [r8+r10*8] 75 mov r9, [rdx+r10*8] 76 not rax 77 and rax, r9 78 mov [rcx+r10*8], rax 79 ret 80 81 end 82