Conditionals

Conditional instructions evaluate a comparison between two operands and store a boolean result (0 or 1) into a destination register. They are typically used as inputs to JS.

Comparison instructions

Mnemonic	Op1	Op2	Op3	Operation
`TG`	Reg	Reg/Imm	Reg/Imm	`OP1 = OP2 > OP3` (signed)
`TGE`	Reg	Reg/Imm	Reg/Imm	`OP1 = OP2 >= OP3` (signed)
`TE`	Reg	Reg/Imm	Reg/Imm	`OP1 = OP2 == OP3`
`TNE`	Reg	Reg/Imm	Reg/Imm	`OP1 = OP2 != OP3`
`TL`	Reg	Reg/Imm	Reg/Imm	`OP1 = OP2 < OP3` (signed)
`TLE`	Reg	Reg/Imm	Reg/Imm	`OP1 = OP2 <= OP3` (signed)
`TUG`	Reg	Reg/Imm	Reg/Imm	`OP1 = OP2 > OP3` (unsigned)
`TUGE`	Reg	Reg/Imm	Reg/Imm	`OP1 = OP2 >= OP3` (unsigned)
`TUL`	Reg	Reg/Imm	Reg/Imm	`OP1 = OP2 < OP3` (unsigned)
`TULE`	Reg	Reg/Imm	Reg/Imm	`OP1 = OP2 <= OP3` (unsigned)

IFS - If-Select

Evaluates the second operand as a condition. If true, assigns the third operand to the destination; otherwise assigns zero.

Instruction	Operand 1	Operand 2	Operand 3	Operation
`IFS`	`Reg`	`Reg/Imm`	`Reg/Imm`	`OP1 = OP2 ? OP3 : 0`

// result = (rax == rbx) ? 0xFF : 0
auto cond = block->tmp(1);
block->te(cond, X86_REG_RAX, X86_REG_RBX);
block->ifs(X86_REG_RCX, cond, 0xFF);