#include	<stdint.h>

#include	"compression.h"

uint8_t	data_s[256]     =	{
				0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
				0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
				0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F,
				0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F,
				0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F,
				0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, 0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF,
				0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0xDF,
				0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF
			};
/*
0000000000000000 <compression_encode_prepare1>:
   0:	48 89 f9             	mov    %rdi,%rcx
   3:	31 d2                	xor    %edx,%edx
   5:	b8 00 00 00 01       	mov    $0x1000000,%eax
   a:	66 0f 1f 44 00 00    	nopw   0x0(%rax,%rax,1)
  10:	48 83 e8 01          	sub    $0x1,%rax
  14:	75 fa                	jne    10 <compression_encode_prepare1+0x10>
  16:	88 11                	mov    %dl,(%rcx)
  18:	48 83 c2 01          	add    $0x1,%rdx
  1c:	48 83 c1 01          	add    $0x1,%rcx
  20:	48 81 fa 00 01 00 00 	cmp    $0x100,%rdx
  27:	75 dc                	jne    5 <compression_encode_prepare1+0x5>
  29:	c3                   	retq   
  2a:	66 0f 1f 44 00 00    	nopw   0x0(%rax,%rax,1)
*/

void	compression_encode_prepare1	(struct compression* c)
{
	for	(uint64_t j = 0; j < (1 << 24); j++)
	for	(uint64_t i = 0; i < 256; i++)
	{
		c->data_t[i]    =	i;
	}
}

void	compression_encode_prepare2	(struct compression* c)
{
	for	(uint64_t j = 0; j < (1 << 24); j++)
	asm	volatile					\
	(						\
	"	lea		%0   , %%rdi	\n"	\
	"	lea		%1   , %%rsi	\n"	\
	"	mov		$0x20, %%rcx	\n"	\
	"	rep		movsq		\n"	\
		: "=m"		(c->data_t)		\
		: "m"		(   data_s)		\
		: "%rcx", "%rsi", "%rdi"			\
	);
}