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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
use ckb_vm::{
instructions::{extract_opcode, insts},
Instruction,
};
pub const BYTES_PER_CYCLE: u64 = 4;
pub fn transferred_byte_cycles(bytes: u64) -> u64 {
(bytes + BYTES_PER_CYCLE - 1) / BYTES_PER_CYCLE
}
pub fn instruction_cycles(i: Instruction) -> u64 {
match extract_opcode(i) {
insts::OP_JALR => 3,
insts::OP_LD => 2,
insts::OP_LW => 3,
insts::OP_LH => 3,
insts::OP_LB => 3,
insts::OP_LWU => 3,
insts::OP_LHU => 3,
insts::OP_LBU => 3,
insts::OP_SB => 3,
insts::OP_SH => 3,
insts::OP_SW => 3,
insts::OP_SD => 2,
insts::OP_BEQ => 3,
insts::OP_BGE => 3,
insts::OP_BGEU => 3,
insts::OP_BLT => 3,
insts::OP_BLTU => 3,
insts::OP_BNE => 3,
insts::OP_EBREAK => 500,
insts::OP_ECALL => 500,
insts::OP_JAL => 3,
insts::OP_MUL => 5,
insts::OP_MULW => 5,
insts::OP_MULH => 5,
insts::OP_MULHU => 5,
insts::OP_MULHSU => 5,
insts::OP_DIV => 32,
insts::OP_DIVW => 32,
insts::OP_DIVU => 32,
insts::OP_DIVUW => 32,
insts::OP_REM => 32,
insts::OP_REMW => 32,
insts::OP_REMU => 32,
insts::OP_REMUW => 32,
insts::OP_WIDE_MUL => 5,
insts::OP_WIDE_MULU => 5,
insts::OP_WIDE_MULSU => 5,
insts::OP_WIDE_DIV => 32,
insts::OP_WIDE_DIVU => 32,
insts::OP_FAR_JUMP_REL => 3,
insts::OP_FAR_JUMP_ABS => 3,
_ => 1,
}
}