Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 65 insertions, 0 deletions

diff --git a/src/isa-l/igzip/lz0a_const.asm b/src/isa-l/igzip/lz0a_const.asm
new file mode 100644
index 000000000..deb6d232e
--- /dev/null
+++ b/src/isa-l/igzip/lz0a_const.asm
@@ -0,0 +1,65 @@
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;  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 "options.asm"
+
+%assign K      1024
+%assign D      IGZIP_HIST_SIZE        ;; Amount of history
+%assign LA     18 * 16      ;; Max look-ahead, rounded up to 32 byte boundary
+%assign BSIZE  2*IGZIP_HIST_SIZE + LA     ;; Nominal buffer size
+
+;; Constants for stateless compression
+%define LAST_BYTES_COUNT	3 ;; Bytes to prevent reading out of array bounds
+%define LA_STATELESS	258	;; No round up since no data is copied to a buffer
+
+%assign IGZIP_LVL0_HASH_SIZE  (8 * K)
+%assign IGZIP_HASH8K_HASH_SIZE  (8 * K)
+%assign IGZIP_HASH_HIST_HASH_SIZE IGZIP_HIST_SIZE
+%assign IGZIP_HASH_MAP_HASH_SIZE  IGZIP_HIST_SIZE
+
+%xdefine LVL0_HASH_MASK  (IGZIP_LVL0_HASH_SIZE - 1)
+%xdefine HASH8K_HASH_MASK  (IGZIP_HASH8K_HASH_SIZE - 1)
+%xdefine HASH_HIST_HASH_MASK  (IGZIP_HASH_HIST_HASH_SIZE - 1)
+%xdefine HASH_MAP_HASH_MASK  (IGZIP_HASH_MAP_HASH_SIZE - 1)
+
+%assign MIN_DEF_MATCH 3 	; Minimum length of a match in deflate
+%assign SHORTEST_MATCH  4
+
+%assign SLOP 8
+
+%define ICF_CODE_BYTES 4
+%define LIT_LEN_BIT_COUNT 10
+%define DIST_LIT_BIT_COUNT 9
+
+%define LIT_LEN_MASK ((1 << LIT_LEN_BIT_COUNT) - 1)
+%define LIT_DIST_MASK ((1 << DIST_LIT_BIT_COUNT) - 1)
+
+%define DIST_OFFSET	LIT_LEN_BIT_COUNT
+%define EXTRA_BITS_OFFSET	(DIST_OFFSET + DIST_LIT_BIT_COUNT)
+%define LIT (0x1E << DIST_OFFSET)