Import ceph 15.2.8

[ceph.git] / ceph / src / isa-l / igzip / detect_repeated_char.asm

diff --git a/ceph/src/isa-l/igzip/detect_repeated_char.asm b/ceph/src/isa-l/igzip/detect_repeated_char.asm
deleted file mode 100644 (file)
index 2f6c07a..0000000
--- a/ceph/src/isa-l/igzip/detect_repeated_char.asm
+++ /dev/null
@@ -1,81 +0,0 @@
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;  Copyright(c) 2011-2016 Intel Corporation All rights reserved.
-;
-;  Redistribution and use in source and binary forms, with or without
-;  modification, are permitted provided that the following conditions
-;  are met:
-;    * Redistributions of source code must retain the above copyright
-;      notice, this list of conditions and the following disclaimer.
-;    * Redistributions in binary form must reproduce the above copyright
-;      notice, this list of conditions and the following disclaimer in
-;      the documentation and/or other materials provided with the
-;      distribution.
-;    * Neither the name of Intel Corporation nor the names of its
-;      contributors may be used to endorse or promote products derived
-;      from this software without specific prior written permission.
-;
-;  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-;  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-;  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-;  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-;  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-;  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-;  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-;  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-;  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-;  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-;  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-
-%include "reg_sizes.asm"
-
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;;
-;; detect_repeated_char buf, size
-%ifidn __OUTPUT_FORMAT__, elf64
- %define buf           rdi
- %define size          rsi
-%elifidn __OUTPUT_FORMAT__, win64
- %define buf           rcx
- %define size          rdx
-%endif ; output formats
-
-%define tmp           r10
-
-global detect_repeated_char
-detect_repeated_char:
-
-;; replicate the 1st byte to 8 bytes
-       xor     tmp, tmp
-       xor     rax, rax
-
-       mov     al, [buf]
-       mov     ah, al
-       mov     tmp %+ w, ax
-       shl     tmp, 16
-       or      eax, tmp %+ d
-       mov     tmp %+ d, eax
-       shl     tmp, 32
-       or      rax, tmp
-
-;; detect the 8K input
-       lea     tmp, [buf + size]
-_loop:
-       cmp     rax, [buf]
-       jne     _fail
-       add     buf, 8
-       cmp     buf, tmp
-       jb      _loop
-       shr     rax, 56
-       jmp     _end
-
-_fail:
-       mov     rax, -1
-
-_end:
-       ret
-
-%undef buf
-%undef size
-%undef tmp