From 34917b834143c180562fec66a53d1180251a4b7d Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Mon, 15 Apr 2019 18:22:14 +0200 Subject: Initial commit. --- readwrite.asm | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 readwrite.asm (limited to 'readwrite.asm') diff --git a/readwrite.asm b/readwrite.asm new file mode 100644 index 0000000..b498f63 --- /dev/null +++ b/readwrite.asm @@ -0,0 +1,67 @@ +; +; Copyright 2019 Anton Khirnov +; +; This program is free software: you can redistribute it and/or modify +; it under the terms of the GNU General Public License as published by +; the Free Software Foundation, either version 3 of the License, or +; (at your option) any later version. +; +; This program 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 General Public License for more details. +; +; You should have received a copy of the GNU General Public License +; along with this program. If not, see . +; + +%include "config.asm" +%include "x86inc.asm" + +SECTION .rodata align=64 + +const1: times 8 dq 1.0 + +SECTION .text + +INIT_YMM avx +cglobal mem_write, 2, 2, 1, dst, dstlen + add dstq, dstlenq + neg dstlenq + + mova m0, [const1] + +.loop: + mova [dstq + dstlenq + mmsize * 0], m0 + mova [dstq + dstlenq + mmsize * 1], m0 + mova [dstq + dstlenq + mmsize * 2], m0 + mova [dstq + dstlenq + mmsize * 3], m0 + mova [dstq + dstlenq + mmsize * 4], m0 + mova [dstq + dstlenq + mmsize * 5], m0 + mova [dstq + dstlenq + mmsize * 6], m0 + mova [dstq + dstlenq + mmsize * 7], m0 + + add dstlenq, mmsize * 8 + js .loop + + RET + +INIT_YMM avx +cglobal mem_read, 2, 2, 1, src, srclen + add srcq, srclenq + neg srclenq + +.loop: + mova m0, [srcq + srclenq] + mova m0, [srcq + srclenq + mmsize] + mova m0, [srcq + srclenq + mmsize * 2] + mova m0, [srcq + srclenq + mmsize * 3] + mova m0, [srcq + srclenq + mmsize * 4] + mova m0, [srcq + srclenq + mmsize * 5] + mova m0, [srcq + srclenq + mmsize * 6] + mova m0, [srcq + srclenq + mmsize * 7] + + add srclenq, mmsize * 8 + js .loop + + RET -- cgit v1.2.3