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igzip: remove detect_repeated_char()

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This was replaced with detect_repeated_char_length(), but the
implementation of the old function was never removed.

Change-Id: I55485cec324dce01033b73f24474f1aca2a31bd3
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2018-03-12 13:12:05 -07:00 committed by Greg Tucker
parent f9a61187c5
commit 6e9f576bff
4 changed files with 1 additions and 85 deletions
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1
Makefile.nmake
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@ -130,7 +130,6 @@ objs = \
bin\igzip_update_histogram_01.obj \
bin\igzip_update_histogram_04.obj \
bin\rfc1951_lookup.obj \
bin\detect_repeated_char.obj \
bin\crc32_gzip_refl_by8.obj \
bin\adler32_sse.obj \
bin\adler32_avx2_4.obj \

2
igzip/Makefile.am
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@ -46,7 +46,7 @@ lsrc_x86_64 += igzip/igzip_body_01.asm \
igzip/igzip_icf_body_h1_gr_bt.asm \
igzip/igzip_icf_finish.asm \
igzip/rfc1951_lookup.asm \
igzip/crc32_gzip.asm igzip/detect_repeated_char.asm \
igzip/crc32_gzip.asm \
igzip/adler32_sse.asm \
igzip/adler32_avx2_4.asm \
igzip/igzip_multibinary.asm \

81
igzip/detect_repeated_char.asm
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@ -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

2
igzip/igzip.c
View File

@ -84,8 +84,6 @@ static void write_stream_header(struct isal_zstream *stream);
static int write_deflate_header_stateless(struct isal_zstream *stream);
static int write_deflate_header_unaligned_stateless(struct isal_zstream *stream);
unsigned int detect_repeated_char(uint8_t * buf, uint32_t size);
#define TYPE0_HDR_LEN 4
#define TYPE0_BLK_HDR_LEN 5
#define TYPE0_MAX_BLK_LEN 65535