zlib 1.2.0.5

This commit is contained in:
Mark Adler
2011-09-09 23:22:37 -07:00
parent 086e982175
commit 4b5a43a219
152 changed files with 14540 additions and 12588 deletions

View File

@@ -3,11 +3,11 @@
*
* inffast.c -- fast decoding
* Copyright (C) 1995-2003 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
* For conditions of distribution and use, see copyright notice in zlib.h
*
* Copyright (C) 2003 Chris Anderson <christop@charm.net>
* Please use the copyright conditions above.
*
*
* This version (Jan-23-2003) of inflate_fast was coded and tested under
* GNU/Linux on a pentium 3, using the gcc-3.2 compiler distribution. On that
* machine, I found that gzip style archives decompressed about 20% faster than
@@ -61,7 +61,7 @@
*/
#if ! defined( GAS_COFF ) && ! defined( GAS_ELF )
#if defined( __CYGWIN__ )
#if defined( WIN32 ) || defined( __CYGWIN__ )
#define GAS_COFF /* windows object format */
#else
#define GAS_ELF
@@ -151,14 +151,14 @@
*/
#define mode_state 0 /* state->mode */
#define wsize_state 32 /* state->wsize */
#define write_state 36 /* state->write */
#define window_state 40 /* state->window */
#define hold_state 44 /* state->hold */
#define bits_state 48 /* state->bits */
#define lencode_state 64 /* state->lencode */
#define distcode_state 68 /* state->distcode */
#define lenbits_state 72 /* state->lenbits */
#define distbits_state 76 /* state->distbits */
#define write_state 40 /* state->write */
#define window_state 44 /* state->window */
#define hold_state 48 /* state->hold */
#define bits_state 52 /* state->bits */
#define lencode_state 68 /* state->lencode */
#define distcode_state 72 /* state->distcode */
#define lenbits_state 76 /* state->lenbits */
#define distbits_state 80 /* state->distbits */
/*
* inflate_fast's activation record
@@ -387,7 +387,7 @@ inflate_fast:
* bios may load a cpuid instruction and
* cpuid may be disabled on Cyrix 5-6x86 */
popf
pushf
pushf
popl %edx /* copy new eflags to edx */
xorl %eax, %edx /* test if ID bit is flipped */
jz .L_dont_use_mmx /* not flipped if zero */
@@ -420,7 +420,7 @@ inflate_fast:
popl %eax
jmp .L_check_mmx
#endif
/*** Non-MMX code ***/
@@ -443,7 +443,7 @@ inflate_fast:
.L_do_loop:
/* regs: %esi = in, %ebp = hold, %bl = bits, %edi = out
*
* do {
* do {
* if (bits < 15) {
* hold |= *((unsigned short *)in)++ << bits;
* bits += 16
@@ -900,7 +900,7 @@ inflate_fast:
#define dmask_mm %mm5
#define tmp_mm %mm6
movd lmask(%esp), lmask_mm
movd lmask(%esp), lmask_mm
movq lmask_mm, lmask2_mm
movd dmask(%esp), dmask_mm
movq dmask_mm, dmask2_mm
@@ -1056,7 +1056,7 @@ inflate_fast:
jmp .L_while_test_mmx
.align 16,0x90
.L_test_for_second_level_length_mmx:
.L_test_for_second_level_length_mmx:
testb $64, %al
jnz .L_test_for_end_of_block /* if ((op & 64) != 0) */