GCSPUSHM -- A64

Guarded Control Stack Push 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.

System
(FEAT_GCS)

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	Rt
										L			op1			CRn				CRm				op2

GCSPUSHM <Xt>
is equivalent to

SYS #3, C7, C7, #0, <Xt>

and is always the preferred disassembly.

Assembler Symbols

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

Operation

The description of SYS gives the operational pseudocode for this instruction.

Internal version only: aarchmrs v2023-12_rel, pseudocode v2023-12_rel, sve v2023-12_rel ; Build timestamp: 2023-12-15T16:46

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	Rt
										L			op1			CRn				CRm				op2

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	Rt
										L			op1			CRn				CRm				op2

GCSPUSHM

System(FEAT_GCS)

GCSPUSHM <Xt> is equivalent to SYS #3, C7, C7, #0, <Xt> and is always the preferred disassembly.

Assembler Symbols

Operation

System
(FEAT_GCS)

GCSPUSHM <Xt>
is equivalent to

SYS #3, C7, C7, #0, <Xt>

and is always the preferred disassembly.

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	Rt
										L			op1			CRn				CRm				op2