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vsimple.c
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/**
Copyright (C) powturbo 2013-2018
GPL v2 License
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- homepage : https://sites.google.com/site/powturbo/
- github : https://github.com/powturbo
- twitter : https://twitter.com/powturbo
- email : powturbo [_AT_] gmail [_DOT_] com
**/
// "Integer Compression" variable simple
#ifndef USIZE
#ifdef __SSE2__
#include <emmintrin.h>
#endif
#pragma warning( disable : 4005)
#pragma warning( disable : 4090)
#pragma warning( disable : 4068)
#include "conf.h"
#include "vsimple.h"
#ifndef SV_LIM32
#define USE_RLE
// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
#define SV_LIM8 unsigned char s_lim8[] = { 0, 28, 28, 28, 28, 36, 36, 36, 36, 0 };
#define SV_ITM8 unsigned s_itm8[] = { 0, 28, 14, 9, 7, 7, 6, 5, 4, -1 }
#define SV_LIM16 unsigned char s_lim16[] = { 0, 28, 28, 28, 28, 36, 36, 36, 36, 36, 60, 60, 60, 60, 60, 60, 60, 0 };
#define SV_ITM16 unsigned s_itm16[] = { 0, 28, 14, 9, 7, 7, 6, 5, 4, 4, 6, 5, 5, 4, 4, 4, 3, -1 }
#define SV_LIM32 unsigned char s_lim32[] = { 0, 28, 28, 28, 28, 36, 36, 36, 36, 36, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 0 };
#define SV_ITM32 unsigned s_itm32[] = { 0, 28, 14, 9, 7, 7, 6, 5, 4, 4, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, -1 }
#define SV_LIM64 unsigned char s_lim64[] = { 0, 28, 28, 28, 28, 36, 36, 36, 36, 36, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60,\
60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 64, 64, 64, 64, 64, 64, 64, 64, 0 };
#define SV_ITM64 unsigned s_itm64[] = { 0, 28, 14, 9, 7, 7, 6, 5, 4, 4, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1,\
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -1 }
static SV_LIM8;
static SV_ITM8;
static SV_LIM16;
static SV_ITM16;
static SV_LIM32;
static SV_ITM32;
static SV_ITM64;
static SV_LIM64;
#define EFE(__x,__i,__start) ((__x[__i] - __start)-(__i)*EF_INC)
#endif
#define VSENC vsenc
#define VSDEC vsdec
#define USIZE 8
#include "vsimple.c"
#undef USIZE
#define USIZE 16
#include "vsimple.c"
#undef USIZE
#define USIZE 32
#include "vsimple.c"
#undef USIZE
#define USIZE 64
#include "vsimple.c"
#undef USIZE
#else
#include <stdio.h>
#include <stdlib.h>
#include "conf.h"
#include "vint.h"
#define uint_t TEMPLATE3(uint, USIZE, _t)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunsequenced"
unsigned char *TEMPLATE2(VSENC, USIZE)(uint_t *__restrict in, size_t n, unsigned char *__restrict op) {
unsigned xm,m,r,x;
uint_t *e = in+n,*ip,*sp;
for(ip = in; ip < e; ) { __builtin_prefetch(ip+64, 0);
sp = ip;
#ifdef USE_RLE
if(ip+4 < e && *ip == *(ip+1)) {
uint_t *q = ip+1;
while(q+1 < e && *(q+1) == *ip) q++;
r = q - ip;
if(r*TEMPLATE2(bsr, USIZE)(*ip) > 16 || (!*ip && r>4)) {
m = (*ip)?(USIZE<=32?33:65):0;
goto a;
}
} else
#endif
r = 0;
for(m = x = TEMPLATE2(bsr, USIZE)(*ip);(r+1)*(xm = x > m?x:m) <= TEMPLATE2(s_lim, USIZE)[xm] && ip+r<e;) m = xm, x = TEMPLATE2(bsr, USIZE)(ip[++r]);
while(r < TEMPLATE2(s_itm, USIZE)[m]) m++;
a:; //printf("%d,", m);
switch(m) {
case 0: ip += r;
if(--r >= 0xf) {
*op++ = 0xf0;
if(n <= 0x100)
*op++ = r;
else
vbxput32(op, r);
} else *op++ = r<<4;
break;
case 1:
ctou32(op) = 1 |
(unsigned)ip[ 0] << 4 |
(unsigned)ip[ 1] << 5 |
(unsigned)ip[ 2] << 6 |
(unsigned)ip[ 3] << 7 |
(unsigned)ip[ 4] << 8 |
(unsigned)ip[ 5] << 9 |
(unsigned)ip[ 6] << 10 |
(unsigned)ip[ 7] << 11 |
(unsigned)ip[ 8] << 12 |
(unsigned)ip[ 9] << 13 |
(unsigned)ip[10] << 14 |
(unsigned)ip[11] << 15 |
(unsigned)ip[12] << 16 |
(unsigned)ip[13] << 17 |
(unsigned)ip[14] << 18 |
(unsigned)ip[15] << 19 |
(unsigned)ip[16] << 20 |
(unsigned)ip[17] << 21 |
(unsigned)ip[18] << 22 |
(unsigned)ip[19] << 23 |
(unsigned)ip[20] << 24 |
(unsigned)ip[21] << 25 |
(unsigned)ip[22] << 26 |
(unsigned)ip[23] << 27 |
(unsigned)ip[24] << 28 |
(unsigned)ip[25] << 29 |
(unsigned)ip[26] << 30 |
(unsigned)ip[27] << 31; ip += 28; op += 4;
break;
case 2:
ctou32(op) = 2 |
(unsigned)ip[ 0] << 4 |
(unsigned)ip[ 1] << 6 |
(unsigned)ip[ 2] << 8 |
(unsigned)ip[ 3] << 10 |
(unsigned)ip[ 4] << 12 |
(unsigned)ip[ 5] << 14 |
(unsigned)ip[ 6] << 16 |
(unsigned)ip[ 7] << 18 |
(unsigned)ip[ 8] << 20 |
(unsigned)ip[ 9] << 22 |
(unsigned)ip[10] << 24 |
(unsigned)ip[11] << 26 |
(unsigned)ip[12] << 28 |
(unsigned)ip[13] << 30; ip += 14; op += 4;
break;
case 3:
ctou32(op) = 3 |
(unsigned)ip[ 0] << 4 |
(unsigned)ip[ 1] << 7 |
(unsigned)ip[ 2] << 10 |
(unsigned)ip[ 3] << 13 |
(unsigned)ip[ 4] << 16 |
(unsigned)ip[ 5] << 19 |
(unsigned)ip[ 6] << 22 |
(unsigned)ip[ 7] << 25 |
(unsigned)ip[ 8] << 28; ip += 9; op += 4;
break;
case 4:
ctou64(op) = 4 |
(unsigned)ip[ 0] << 4 |
(unsigned)ip[ 1] << 8 |
(unsigned)ip[ 2] << 12 |
(unsigned)ip[ 3] << 16 |
(unsigned)ip[ 4] << 20 |
(unsigned)ip[ 5] << 24 |
(unsigned)ip[ 6] << 28; ip += 7; op += 4;
break;
case 5:
ctou64(op) = 5 |
(unsigned)ip[ 0] << 4 |
(unsigned)ip[ 1] << 9 |
(unsigned)ip[ 2] << 14 |
(unsigned)ip[ 3] << 19 |
(unsigned)ip[ 4] << 24 |
(uint64_t)ip[ 5] << 29 |
(uint64_t)ip[ 6] << 34; ip += 7; op += 5;
break;
case 6:
ctou64(op) = 6 |
(unsigned)ip[ 0] << 4 |
(unsigned)ip[ 1] << 10 |
(unsigned)ip[ 2] << 16 |
(unsigned)ip[ 3] << 22 |
(uint64_t)ip[ 4] << 28 |
(uint64_t)ip[ 5] << 34; ip += 6; op += 5;
break;
case 7:
ctou64(op) = 7 |
(unsigned)ip[ 0] << 5 |
(unsigned)ip[ 1] << 12 |
(unsigned)ip[ 2] << 19 |
(uint64_t)ip[ 3] << 26 |
(uint64_t)ip[ 4] << 33; ip += 5; op += 5;
break;
case 8:
case 9:
ctou64(op) = 9 |
(unsigned)ip[ 0] << 4 |
(unsigned)ip[ 1] << 13 |
(unsigned)ip[ 2] << 22 |
(uint64_t)ip[ 3] << 31; ip += 4; op += 5;
break;
case 10:
ctou64(op) = 10 |
(unsigned)ip[ 0] << 4 |
(unsigned)ip[ 1] << 14 |
(uint64_t)ip[ 2] << 24 |
(uint64_t)ip[ 3] << 34 |
(uint64_t)ip[ 4] << 44 |
(uint64_t)ip[ 5] << 54; ip += 6; op += 8;
break;
case 11:
case 12:
ctou64(op) = 12 |
(unsigned)ip[ 0] << 4 |
(unsigned)ip[ 1] << 16 |
(uint64_t)ip[ 2] << 28 |
(uint64_t)ip[ 3] << 40 |
(uint64_t)ip[ 4] << 52; ip += 5; op += 8;
break;
case 13:
case 14:
case 15:
ctou64(op) = 15 |
(unsigned)ip[ 0] << 4 |
(uint64_t)ip[ 1] << 19 |
(uint64_t)ip[ 2] << 34 |
(uint64_t)ip[ 3] << 49; ip += 4; op += 8;
break;
case 16:
case 17:
case 18:
case 19:
case 20:
ctou64(op) = 11 |
(unsigned)ip[ 0] << 4 |
(uint64_t)ip[ 1] << 24 |
(uint64_t)ip[ 2] << 44; ip += 3; op += 8;
break;
case 21:
case 22:
case 23:
case 24:
case 25:
case 26:
case 27:
case 28:
case 29:
case 30:
ctou64(op) = 13 |
(uint64_t)ip[ 0] << 4 |
(uint64_t)ip[ 1] << 34; ip += 2; op += 8;
break;
case 31:
case 32:
#if USIZE == 64
case 33: case 34: case 35: case 36:
#endif
ctou64(op) = 14 |
(uint64_t)ip[ 0] << 4; ip++; op += 5;
break;
#if USIZE == 64
default: xm = (m+7)/8;
*op++ = 0x17 | (xm-1) << 5;
ctou64(op) = (uint64_t)ip[ 0]; ip++; op += xm;
break;
#endif
#ifdef USE_RLE
case USIZE<=32?33:65: ip += r;
if(--r >= 0xf) {
*op++ = 0xf0|8;
if(n <= 0x100)
*op++ = r;
else
vbxput32(op, r);
} else *op++ = r<<4|8;
TEMPLATE2(vbxput, USIZE)(op, ip[0]);
break;
#endif
}
}
return op;
}
#pragma clang diagnostic pop
#define OP(__x) op[__x] // *op++ //
#define OPI(__x) op+=__x// //
unsigned char *TEMPLATE2(VSDEC, USIZE)(unsigned char *__restrict ip, size_t n, uint_t *__restrict op) {
uint_t *op_ = op+n;
while(op < op_) {
uint64_t w = *(uint64_t *)ip; __builtin_prefetch(ip+64, 0);
switch(w & 0xf) {
case 0: {
uint_t *q = op;
unsigned r = (w>>4)&0xf;
#ifdef __SSE2__
__m128i zv = _mm_setzero_si128();
#endif
ip++;
if(unlikely(r == 0xf)) {
if(n <= 0x100)
r = (w>>8)&0xff, ip++;
else { vbxget32(ip, r); }
}
op += r+1;
while(q < op) {
#ifdef __SSE2__
_mm_storeu_si128((__m128i *)q,zv); q = (uint_t *)((unsigned char *)q+16);
_mm_storeu_si128((__m128i *)q,zv); q = (uint_t *)((unsigned char *)q+16);
#else
q[0]=q[1]=q[2]=q[3]=q[4]=q[5]=q[6]=q[7]=0; q+=8;
#endif
} //while(r-->=0) *op++=0;
} break;
case 1:
OP( 0) = (w >> 4) & 1;
OP( 1) = (w >> 5) & 1;
OP( 2) = (w >> 6) & 1;
OP( 3) = (w >> 7) & 1;
OP( 4) = (w >> 8) & 1;
OP( 5) = (w >> 9) & 1;
OP( 6) = (w >> 10) & 1;
OP( 7) = (w >> 11) & 1;
OP( 8) = (w >> 12) & 1;
OP( 9) = (w >> 13) & 1;
OP(10) = (w >> 14) & 1;
OP(11) = (w >> 15) & 1;
OP(12) = (w >> 16) & 1;
OP(13) = (w >> 17) & 1;
OP(14) = (w >> 18) & 1;
OP(15) = (w >> 19) & 1;
OP(16) = (w >> 20) & 1;
OP(17) = (w >> 21) & 1;
OP(18) = (w >> 22) & 1;
OP(19) = (w >> 23) & 1;
OP(20) = (w >> 24) & 1;
OP(21) = (w >> 25) & 1;
OP(22) = (w >> 26) & 1;
OP(23) = (w >> 27) & 1;
OP(24) = (w >> 28) & 1;
OP(25) = (w >> 29) & 1;
OP(26) = (w >> 30) & 1;
OP(27) = (w >> 31) & 1; OPI( 28); ip+=4;
break;
case 2:
OP( 0) = (w >> 4) & 3;
OP( 1) = (w >> 6) & 3;
OP( 2) = (w >> 8) & 3;
OP( 3) = (w >> 10) & 3;
OP( 4) = (w >> 12) & 3;
OP( 5) = (w >> 14) & 3;
OP( 6) = (w >> 16) & 3;
OP( 7) = (w >> 18) & 3;
OP( 8) = (w >> 20) & 3;
OP( 9) = (w >> 22) & 3;
OP(10) = (w >> 24) & 3;
OP(11) = (w >> 26) & 3;
OP(12) = (w >> 28) & 3;
OP(13) = (w >> 30) & 3; OPI( 14); ip+=4;
break;
case 3:
OP( 0) = (w >> 4) & 7;
OP( 1) = (w >> 7) & 7;
OP( 2) = (w >> 10) & 7;
OP( 3) = (w >> 13) & 7;
OP( 4) = (w >> 16) & 7;
OP( 5) = (w >> 19) & 7;
OP( 6) = (w >> 22) & 7;
OP( 7) = (w >> 25) & 7;
OP( 8) = (w >> 28) & 7; OPI( 9); ip+=4;
break;
case 4:
OP( 0) = (w >> 4) & 0xf;
OP( 1) = (w >> 8) & 0xf;
OP( 2) = (w >> 12) & 0xf;
OP( 3) = (w >> 16) & 0xf;
OP( 4) = (w >> 20) & 0xf;
OP( 5) = (w >> 24) & 0xf;
OP( 6) = (w >> 28) & 0xf; OPI( 7); ip+=4;
break;
case 5:
OP( 0) = (w >> 4) & 0x1f;
OP( 1) = (w >> 9) & 0x1f;
OP( 2) = (w >> 14) & 0x1f;
OP( 3) = (w >> 19) & 0x1f;
OP( 4) = (w >> 24) & 0x1f;
OP( 5) = (w >> 29) & 0x1f;
OP( 6) = (w >> 34) & 0x1f; OPI( 7); ip+=5;
break;
case 6:
OP(0) = (w >> 4) & 0x3f;
OP(1) = (w >> 10) & 0x3f;
OP(2) = (w >> 16) & 0x3f;
OP(3) = (w >> 22) & 0x3f;
OP(4) = (w >> 28) & 0x3f;
OP(5) = (w >> 34) & 0x3f; OPI( 6); ip+=5;
break;
case 7:
#if USIZE == 64
if(unlikely((w>>4) & 1)) {
unsigned b = ((*ip++) >> 5)+1;
*op = *(unsigned long long *)ip;
if(unlikely(b!=8))
*op &= (1ull<<(b*8))-1; op++; ip += b;
break;
}
#endif
OP(0) = (w >> 5) & 0x7f;
OP(1) = (w >> 12) & 0x7f;
OP(2) = (w >> 19) & 0x7f;
OP(3) = (w >> 26) & 0x7f;
OP(4) = (w >> 33) & 0x7f; OPI( 5); ip+=5;
break;
#ifdef USE_RLE
case 8: {
uint_t *q=op,u;
int r = (w>>4)&0xf;
ip++;
if(unlikely(r == 0xf)) {
if(n <= 0x100)
r = (w>>8)&0xff, ip++;
else { vbxget32(ip, r); }
}
op += r+1; TEMPLATE2(vbxget, USIZE)(ip,u);
#if defined(__SSE2__) && USIZE == 32
{ __m128i v = _mm_set1_epi32(u);
while(q < op) {
_mm_storeu_si128((__m128i *)q,v); q += 4;
_mm_storeu_si128((__m128i *)q,v); q += 4;
}
}
#else
while(q < op) {
q[0]=q[1]=q[2]=q[3]=q[4]=q[5]=q[6]=q[7]=u; q+=8;
} //while(r-->=0) *op++=u;
#endif
} break;
#endif
case 9:
OP(0) = (w >> 4) & 0x1ff;
OP(1) = (w >> 13) & 0x1ff;
OP(2) = (w >> 22) & 0x1ff;
OP(3) = (w >> 31) & 0x1ff; OPI( 4); ip+=5;
break;
case 10:
OP(0) = (w >> 4) & 0x3ff;
OP(1) = (w >> 14) & 0x3ff;
OP(2) = (w >> 24) & 0x3ff;
OP(3) = (w >> 34) & 0x3ff;
OP(4) = (w >> 44) & 0x3ff;
OP(5) = (w >> 54) & 0x3ff; OPI( 6); ip+=8;
break;
case 12:
OP(0) = (w >> 4) & 0xfffu;
OP(1) = (w >> 16) & 0xfffu;
OP(2) = (w >> 28) & 0xfffu;
OP(3) = (w >> 40) & 0xfffu;
OP(4) = (w >> 52) & 0xfffu; OPI( 5); ip+=8;
break;
case 15:
OP(0) = (w >> 4) & 0x7fffu;
OP(1) = (w >> 19) & 0x7fffu;
OP(2) = (w >> 34) & 0x7fffu;
OP(3) = (w >> 49) & 0x7fffu; OPI( 4); ip+=8;
break;
case 11:
OP(0) = (w >> 4) & 0xfffffu; // 20
OP(1) = (w >> 24) & 0xfffffu;
OP(2) = (w >> 44) & 0xfffffu; OPI( 3); ip+=8;
break;
case 13:
OP(0) = (w >> 4) & 0x3fffffffu;
OP(1) = (w >> 34) & 0x3fffffffu; OPI( 2); ip+=8;
break;
case 14:
#if USIZE <= 32
OP(0) = (w >> 4) & 0xfffffffffull; OPI( 1); ip+=5;
#else
OP(0) = (w >> 4) & 0xfffffffffull; OPI( 1); ip+=5;
#endif
break;
}
}
return ip;
}
#endif