Index
GCSPUSHM
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.
This is an alias of SYS. This means:
- The encodings in this description are named to match the encodings of SYS.
- The description of SYS gives the operational pseudocode, any CONSTRAINED UNPREDICTABLE behavior, and any operational information for this instruction.
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.