GCSPUSHM

Guarded Control Stack push

This instruction decrements the current Guarded Control Stack pointer register by the size of a Guarded control procedure return record and stores an entry to the Guarded Control Stack.

Encoding: System

Variants: FEAT_GCS (ARMv9.4)

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
1	1	0	1	0	1	0	1	0	0	0	0	1	0	1	1	0	1	1	1	0	1	1	1	0	0	0
										L			op1			CRn				CRm				op2			Rt

GCSPUSHM <Xt>

Equivalent to: SYS #3, C7, C7, #0, <Xt>

Explanations

<Xt>: Is the 64-bit name of the general-purpose source register, encoded in the "Rt" field.