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Bitwise clear bits using immediate (unpredicated).
Bitwise clear bits using immediate with each 64-bit element of the source vector, and destructively place the results in the corresponding elements of the source vector. The immediate is a 64-bit value consisting of a single run of ones or zeros repeating every 2, 4, 8, 16, 32 or 64 bits. This instruction is unpredicated.
This is a pseudo-instruction of AND (immediate). This means:
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 |
0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | imm13 | Zdn |
<Zdn> | Is the name of the source and destination scalable vector register, encoded in the "Zdn" field. |
<T> |
Is the size specifier,
encoded in
imm13<12>:imm13<5:0>:
|
<const> | Is a 64, 32, 16 or 8-bit bitmask consisting of replicated 2, 4, 8, 16, 32 or 64 bit fields, each field containing a rotated run of non-zero bits, encoded in the "imm13" field. |
The description of AND (immediate) gives the operational pseudocode for this instruction.
If PSTATE.DIT is 1:
This instruction might be immediately preceded in program order by a MOVPRFX instruction.instruction Thethat conforms to all of the following requirements, otherwise the behavior of either or both instructions is MOVPRFXunpredictable instruction must conform to all of the following requirements, otherwise the behavior of the:
Internal version only: isa v31.05bv31.04, AdvSIMD v29.02, pseudocode v2019-12_rc3_1v2019-09_rc2_1, sve v2019-12_rc3v2019-09_rc3
; Build timestamp: 2019-12-13T112019-09-27T17:0228
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