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igzip: Separate defines for LVL1 and LVL0 hash tables

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Change-Id: I19bdec8d2d0c74083bc1695763c9630516995885
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
This commit is contained in:
Roy Oursler
2017-11-28 17:10:46 -07:00
parent 9203f96c2a
commit 06cd70481c
6 changed files with 34 additions and 29 deletions
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1
igzip/huff_codes.h
View File

@@ -77,6 +77,7 @@
#define INVALID_HUFFCODE 1
#define LVL0_HASH_MASK (IGZIP_LVL0_HASH_SIZE - 1)
#define LVL1_HASH_MASK (IGZIP_LVL1_HASH_SIZE - 1)
#define LVL2_HASH_MASK (IGZIP_LVL2_HASH_SIZE - 1)
#define SHORTEST_MATCH 4

8
igzip/igzip_icf_base.c
View File

@@ -68,7 +68,7 @@ void isal_deflate_icf_body_lvl1_base(struct isal_zstream *stream)
}
literal = *(uint32_t *) next_in;
hash = compute_hash(literal) & LVL0_HASH_MASK;
hash = compute_hash(literal) & LVL1_HASH_MASK;
dist = (next_in - file_start - last_seen[hash]) & 0xFFFF;
last_seen[hash] = (uint64_t) (next_in - file_start);
@@ -89,7 +89,7 @@ void isal_deflate_icf_body_lvl1_base(struct isal_zstream *stream)
for (; next_hash < end; next_hash++) {
literal = *(uint32_t *) next_hash;
hash = compute_hash(literal) & LVL0_HASH_MASK;
hash = compute_hash(literal) & LVL1_HASH_MASK;
last_seen[hash] = (uint64_t) (next_hash - file_start);
}
@@ -160,7 +160,7 @@ void isal_deflate_icf_finish_lvl1_base(struct isal_zstream *stream)
}
literal = *(uint32_t *) next_in;
hash = compute_hash(literal) & LVL0_HASH_MASK;
hash = compute_hash(literal) & LVL1_HASH_MASK;
dist = (next_in - file_start - last_seen[hash]) & 0xFFFF;
last_seen[hash] = (uint64_t) (next_in - file_start);
@@ -178,7 +178,7 @@ void isal_deflate_icf_finish_lvl1_base(struct isal_zstream *stream)
for (; next_hash < end - 3; next_hash++) {
literal = *(uint32_t *) next_hash;
hash = compute_hash(literal) & LVL0_HASH_MASK;
hash = compute_hash(literal) & LVL1_HASH_MASK;
last_seen[hash] = (uint64_t) (next_hash - file_start);
}

31
igzip/igzip_icf_body_h1_gr_bt.asm
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@@ -190,8 +190,8 @@ MARK __body_compute_hash_ %+ ARCH
shr tmp3, 8
compute_hash hash2, tmp3
and hash, LVL0_HASH_MASK
and hash2, LVL0_HASH_MASK
and hash, LVL1_HASH_MASK
and hash2, LVL1_HASH_MASK
cmp byte [stream + _internal_state_has_hist], IGZIP_NO_HIST
je write_first_byte
@@ -220,7 +220,7 @@ loop2:
mov tmp2, curr_data
shr curr_data, 16
compute_hash hash, curr_data
and hash %+ d, LVL0_HASH_MASK
and hash %+ d, LVL1_HASH_MASK
mov dist2 %+ w, f_i %+ w
dec dist2
@@ -233,7 +233,7 @@ loop2:
shr tmp2, 24
compute_hash hash2, tmp2
and hash2 %+ d, LVL0_HASH_MASK
and hash2 %+ d, LVL1_HASH_MASK
and dist2 %+ d, (D-1)
neg dist2
@@ -286,7 +286,7 @@ len_dist_lit_huffman:
shr curr_data, 24
compute_hash hash3, curr_data
and hash3, LVL0_HASH_MASK
and hash3, LVL1_HASH_MASK
mov curr_data, tmp1
shr tmp1, 8
@@ -318,9 +318,9 @@ len_dist_lit_huffman:
and dist_code2, 0x1F
inc word [stream + _internal_state_hist_dist + HIST_ELEM_SIZE*dist_code2]
; hash = compute_hash(state->file_start + f_i) & LVL0_HASH_MASK;
and hash %+ d, LVL0_HASH_MASK
and hash2 %+ d, LVL0_HASH_MASK
; hash = compute_hash(state->file_start + f_i) & LVL1_HASH_MASK;
and hash %+ d, LVL1_HASH_MASK
and hash2 %+ d, LVL1_HASH_MASK
; continue
cmp f_i, file_length
@@ -371,9 +371,9 @@ len_dist_huffman:
and dist_code, 0x1F
inc word [stream + _internal_state_hist_dist + HIST_ELEM_SIZE*dist_code]
; hash = compute_hash(state->file_start + f_i) & LVL0_HASH_MASK;
and hash %+ d, LVL0_HASH_MASK
and hash2 %+ d, LVL0_HASH_MASK
; hash = compute_hash(state->file_start + f_i) & LVL1_HASH_MASK;
and hash %+ d, LVL1_HASH_MASK
and hash2 %+ d, LVL1_HASH_MASK
; continue
cmp f_i, file_length
@@ -501,14 +501,9 @@ write_first_byte:
MOVDQU xdata, [file_start + f_i + 1]
add f_i, 1
mov curr_data, [file_start + f_i]
and hash %+ d, LVL0_HASH_MASK
and hash2 %+ d, LVL0_HASH_MASK
and hash %+ d, LVL1_HASH_MASK
and hash2 %+ d, LVL1_HASH_MASK
cmp f_i, file_length
jl loop2
jmp input_end
section .data
align 16
mask: dd LVL0_HASH_MASK, LVL0_HASH_MASK, LVL0_HASH_MASK, LVL0_HASH_MASK
const_D: dq D

14
igzip/igzip_icf_finish.asm
View File

@@ -129,7 +129,7 @@ isal_deflate_icf_finish_lvl1_01:
ja end_loop_2
compute_hash hash, curr_data
and hash %+ d, LVL0_HASH_MASK
and hash %+ d, LVL1_HASH_MASK
mov [stream + _internal_state_head + 2 * hash], f_i %+ w
mov byte [stream + _internal_state_has_hist], IGZIP_HIST
jmp encode_literal
@@ -141,10 +141,10 @@ loop2:
cmp m_out_buf, [rsp + m_out_end]
ja end_loop_2
; hash = compute_hash(state->file_start + f_i) & LVL0_HASH_MASK;
; hash = compute_hash(state->file_start + f_i) & LVL1_HASH_MASK;
mov curr_data %+ d, [file_start + f_i]
compute_hash hash, curr_data
and hash %+ d, LVL0_HASH_MASK
and hash %+ d, LVL1_HASH_MASK
; f_index = state->head[hash];
movzx f_index %+ d, word [stream + _internal_state_head + 2 * hash]
@@ -203,19 +203,19 @@ loop2:
; only update hash twice
; hash = compute_hash(state->file_start + k) & LVL0_HASH_MASK;
; hash = compute_hash(state->file_start + k) & LVL1_HASH_MASK;
mov tmp6 %+ d, dword [file_start + tmp3]
compute_hash hash, tmp6
and hash %+ d, LVL0_HASH_MASK
and hash %+ d, LVL1_HASH_MASK
; state->head[hash] = k;
mov [stream + _internal_state_head + 2 * hash], tmp3 %+ w
add tmp3, 1
; hash = compute_hash(state->file_start + k) & LVL0_HASH_MASK;
; hash = compute_hash(state->file_start + k) & LVL1_HASH_MASK;
mov tmp6 %+ d, dword [file_start + tmp3]
compute_hash hash, tmp6
and hash %+ d, LVL0_HASH_MASK
and hash %+ d, LVL1_HASH_MASK
; state->head[hash] = k;
mov [stream + _internal_state_head + 2 * hash], tmp3 %+ w

5
igzip/lz0a_const.asm
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@@ -42,11 +42,16 @@
%assign IGZIP_LVL0_HASH_SIZE (8 * K)
%endif
%ifndef IGZIP_LVL1_HASH_SIZE
%assign IGZIP_LVL1_HASH_SIZE (8 * K)
%endif
%ifndef IGZIP_LVL2_HASH_SIZE
%assign IGZIP_LVL2_HASH_SIZE IGZIP_HIST_SIZE
%endif
%assign LVL0_HASH_MASK (IGZIP_LVL0_HASH_SIZE - 1)
%assign LVL1_HASH_MASK (IGZIP_LVL1_HASH_SIZE - 1)
%assign LVL2_HASH_MASK (IGZIP_LVL2_HASH_SIZE - 1)
%assign MIN_DEF_MATCH 3 ; Minimum length of a match in deflate

4
include/igzip_lib.h
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@@ -119,6 +119,10 @@ extern "C" {
#define IGZIP_LVL0_HASH_SIZE (8 * IGZIP_K)
#endif
#ifndef IGZIP_LVL1_HASH_SIZE
#define IGZIP_LVL1_HASH_SIZE (8 * IGZIP_K)
#endif
#ifndef IGZIP_LVL2_HASH_SIZE
#define IGZIP_LVL2_HASH_SIZE IGZIP_HIST_SIZE
#endif