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TomAwezome 2022-10-15 23:39:31 -04:00
parent 7ac0ce5285
commit 0119d4cb15
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/*
public _intern IC_BT Bool Bt( U8 *bit_field, I64 bit); //Bit test.
public _intern IC_BTR Bool Btr( U8 *bit_field, I64 bit); //Bit test and reset to zero.
public _intern IC_BTS Bool Bts( U8 *bit_field, I64 bit); //Bit test and set to one.
*/
/*
$FG$$BG$$FG,11$
Bool BruteBt(U8 *bit_field, I64 bit)
{
U8 *chunk = bit_field + (bit / 8);
return *chunk & (1 << (bit % 8));
}
Reg/Offset Symbol$FG$
R10 bit_field
RDI bit
RSI chunk
FFFFFFFFF8 Stack Size
$FG,11$ &Function+Offset Machine Code Instruction Operands$FG$$HL,1$
$LK,"&BruteBt+0x0000",A="FL:C:/Home/TEST.ZC,8"$
&BruteBt+0x0000 0x55 PUSH U64 RBP
&BruteBt+0x0001 0x488BEC MOV U64 RBP, U64 RSP
&BruteBt+0x0004 0x4883EC08 SUB U64 RSP, I8 0x08
&BruteBt+0x0008 0x56 PUSH U64 RSI
&BruteBt+0x0009 0x57 PUSH U64 RDI
&BruteBt+0x000A 0x4952 PUSH U64 R10
&BruteBt+0x000C 0x488B7D18 MOV U64 RDI, U64 0x18[RBP]
&BruteBt+0x0010 0x4C8B5510 MOV U64 R10, U64 0x10[RBP]
$LK,"&BruteBt+0x0014",A="FL:C:/Home/TEST.ZC,10"$
&BruteBt+0x0014 0x488BC7 MOV U64 RAX, U64 RDI
&BruteBt+0x0017 0x48C1F803 SAR U64 RAX, U8 0x03
&BruteBt+0x001B 0x488BF0 MOV U64 RSI, U64 RAX
&BruteBt+0x001E 0x4903F2 ADD U64 RSI, U64 R10
$LK,"&BruteBt+0x0021",A="FL:C:/Home/TEST.ZC,12"$
&BruteBt+0x0021 0x33C9 XOR U64 RCX, U64 RCX
&BruteBt+0x0023 0xB108 MOV U8 CL, I8 0x08
&BruteBt+0x0025 0x488BC7 MOV U64 RAX, U64 RDI
&BruteBt+0x0028 0x4899 CQO
&BruteBt+0x002A 0x48F7F9 IDIV U64 RCX
&BruteBt+0x002D 0x488BC2 MOV U64 RAX, U64 RDX
&BruteBt+0x0030 0x488BC8 MOV U64 RCX, U64 RAX
&BruteBt+0x0033 0x33C0 XOR U64 RAX, U64 RAX
&BruteBt+0x0035 0xB001 MOV U8 AL, I8 0x01
&BruteBt+0x0037 0x48D3E0 SHL U64 RAX, U8 CL
&BruteBt+0x003A 0x480FB60E MOVZX U64 RCX, U8 [RSI]
&BruteBt+0x003E 0x4823C1 AND U64 RAX, U64 RCX
$LK,"&BruteBt+0x0041",A="FL:C:/Home/TEST.ZC,14"$
&BruteBt+0x0041 0x495A POP U64 R10
&BruteBt+0x0043 0x5F POP U64 RDI
&BruteBt+0x0044 0x5E POP U64 RSI
&BruteBt+0x0045 0xC9 LEAVE
&BruteBt+0x0046 0xC21000 RET1 I16 0x0010
Code Size:0049
*/
Bool BruteBt(U8 *bit_field, I64 bit)
{
U8 *chunk = bit_field + (bit / 8);
U64 chunk_bit = 1 << (bit % 8);
return (*chunk & chunk_bit) >> (bit % 8);
}
Bool BruteBtr(U8 *bit_field, I64 bit)
{
U8 *chunk = bit_field + (bit / 8);
U64 chunk_bit = 1 << (bit % 8);
Bool result = (*chunk & chunk_bit) >> (bit % 8);
*chunk &= ~(chunk_bit);
return result;
}
Bool BruteBts(U8 *bit_field, I64 bit)
{
U8 *chunk = bit_field + (bit / 8);
U64 chunk_bit = 1 << (bit % 8);
Bool result = (*chunk & chunk_bit) >> (bit % 8);
*chunk |= chunk_bit;
return result;
}
U64 numba = 0x982734AABD;
U0 Test1()
{
I64 i = 10*8;
"\n\n\n";
while (i--)
{
if (Bt(&numba, i))
"%d, ", i;
}
"\n\n\n";
}
U0 Test2()
{
I64 i = 10*8;
"\n\n\n";
while (i--)
{
if (BruteBt(&numba, i))
"%d, ", i;
}
"\n\n\n";
}