Type Alias Register 

pub type Register = EReg<u64>;

A register type used by contracts

Aliased Type

pub enum Register {
    Zero = 0,
    Ra = 1,
    Sp = 2,
    Gp = 3,
    Tp = 4,
    T0 = 5,
    T1 = 6,
    T2 = 7,
    S0 = 8,
    S1 = 9,
    A0 = 10,
    A1 = 11,
    A2 = 12,
    A3 = 13,
    A4 = 14,
    A5 = 15,
}

Variants

Zero = 0

Always zero: x0

Ra = 1

Return address: x1

Sp = 2

Stack pointer: x2

Gp = 3

Global pointer: x3

Tp = 4

Thread pointer: x4

T0 = 5

Temporary/alternate return address: x5

T1 = 6

Temporary: x6

T2 = 7

Temporary: x7

S0 = 8

Saved register/frame pointer: x8

S1 = 9

Saved register: x9

A0 = 10

Function argument/return value: x10

A1 = 11

Function argument/return value: x11

A2 = 12

Function argument: x12

A3 = 13

Function argument: x13

A4 = 14

Function argument: x14

A5 = 15

Function argument: x15