gister
Synonym
Special
Role in the procedure call standard
r15 PC The Program Counter.
r14 LR The Link Register.
r13 SP The Stack Pointer.
r12 IP The Intra-Procedure-call scratch register.
r11 v8 Variable-register 8.
r10 v7 Variable-register 7.
v6
SB
TR
r9
Platform register.
The meaning of this register is defined by the platform standard.
r8 v5 Variable-register 5.
r7 v4 Variable register 4.
r6 v3 Variable register 3.
r5 v2 Variable register 2.
r4 v1 Variable register 1.
r3 a4 Argument / scratch register 4.
r2 a3 Argument / scratch register 3.
r1 a2 Argument / result / scratch register 2.
r0 a1 Argument / result / scratch registe