HL.QPUSH

assembly

[
  "hl.qpush SrcL, SrcR, ->RegDst",
  "hl.qpush.h SrcL, SrcR, ->RegDst",
  "hl.qpush.e SrcL, SrcR, ->RegDst",
  "hl.qpush.r SrcL, SrcR, ->RegDst",
  "hl.qpush.he SrcL, SrcR, ->RegDst",
  "hl.qpush.hr SrcL, SrcR, ->RegDst",
  "hl.qpush.er SrcL, SrcR, ->RegDst",
  "hl.qpush.her SrcL, SrcR, ->RegDst"
]

block

[]

catalog_indices

[
  68
]

catalog_records

[
  {
    "asm": "hl.qpush[.{h,e,r,he,hr,er,her}] SrcL, SrcR, ->RegDst",
    "constraints": [],
    "encoding": [
      {
        "index": 0,
        "mask": "0xf000707fffff",
        "match": "0x0000107d000e",
        "width_bits": 48
      }
    ],
    "encoding_kind": "HL48",
    "fields": [
      {
        "name": "RegDst",
        "pieces": [
          {
            "instruction_lsb": 23,
            "value_lsb": 0,
            "width": 5
          }
        ],
        "signedness": "encoding-defined",
        "width": 5
      },
      {
        "name": "SrcL",
        "pieces": [
          {
            "instruction_lsb": 31,
            "value_lsb": 0,
            "width": 5
          }
        ],
        "signedness": "encoding-defined",
        "width": 5
      },
      {
        "name": "SrcR",
        "pieces": [
          {
            "instruction_lsb": 36,
            "value_lsb": 0,
            "width": 5
          }
        ],
        "signedness": "encoding-defined",
        "width": 5
      },
      {
        "name": "e",
        "pieces": [
          {
            "instruction_lsb": 41,
            "value_lsb": 0,
            "width": 1
          }
        ],
        "signedness": "encoding-defined",
        "width": 1
      },
      {
        "name": "h",
        "pieces": [
          {
            "instruction_lsb": 43,
            "value_lsb": 0,
            "width": 1
          }
        ],
        "signedness": "encoding-defined",
        "width": 1
      },
      {
        "name": "r",
        "pieces": [
          {
            "instruction_lsb": 42,
            "value_lsb": 0,
            "width": 1
          }
        ],
        "signedness": "encoding-defined",
        "width": 1
      }
    ],
    "form_id": "hl_qpush_48_3eab8e05d61a",
    "length_bits": 48,
    "mnemonic": "HL.QPUSH",
    "semantic_family": "CMD",
    "semantic_group": "General",
    "semantic_handler": "ExecuteQueuePush",
    "semantic_summary": "Atomically pushes one 64-bit entry at the tail or head of a General Queue Management queue.",
    "status": "accepted"
  }
]

classification

[
  "lifecycle"
]

contract

{
  "block_composition": [
    "none"
  ],
  "canonical_assembly": [
    "hl.qpush SrcL, SrcR, ->RegDst",
    "hl.qpush.h SrcL, SrcR, ->RegDst",
    "hl.qpush.e SrcL, SrcR, ->RegDst",
    "hl.qpush.r SrcL, SrcR, ->RegDst",
    "hl.qpush.he SrcL, SrcR, ->RegDst",
    "hl.qpush.hr SrcL, SrcR, ->RegDst",
    "hl.qpush.er SrcL, SrcR, ->RegDst",
    "hl.qpush.her SrcL, SrcR, ->RegDst"
  ],
  "defaults": [
    "The bare form appends at the tail, publishes no event, and has release semantics.",
    "h=0 selects tail insertion, e=0 suppresses notification, and r=0 selects release ordering."
  ],
  "encoding_class": "standalone-encoded",
  "examples": [
    "hl.qpush a0, a1, ->a2",
    "hl.qpush.he t#1, u#1, ->t#2",
    "hl.qpush.r sp, zero, ->u#1"
  ],
  "exceptions": [
    "Selector failures raise Fault_IllegalInstruction before source reads, queue observation, events, destination writes, or TPC advance.",
    "Full, suspended, missing, and corrupt queues report status in RegDst and do not trap."
  ],
  "field_contracts": {},
  "field_zero_meanings": {
    "SrcL": "Encoded zero names R0; reads produce zero and writes are discarded.",
    "SrcR": "Encoded zero names R0; reads produce zero and writes are discarded.",
    "RegDst": "Encoded zero names R0; reads produce zero and writes are discarded.",
    "h": "Zero appends at the queue tail.",
    "e": "Zero suppresses event notification.",
    "r": "Zero selects release ordering."
  },
  "legality": [
    "Reg5 values 0..23 select absolute R0..R23 and 24..31 select the block-relative T#1..T#4 or U#1..U#4 entries; unavailable relative sources and invalid relative destinations reject before queue state changes.",
    "All eight h/e/r flag combinations are assigned; the event suffix is e and b is not an alias."
  ],
  "memory_effects": [
    "No direct memory access. A non-relaxed successful push releases memory operations ordered before it to an acquiring pop that observes the entry."
  ],
  "operands": [
    {
      "field": "SrcL",
      "role": "Reg5 source of the queue address"
    },
    {
      "field": "SrcR",
      "role": "Reg5 source of the 64-bit entry"
    },
    {
      "field": "RegDst",
      "role": "Reg5 destination for the operation result"
    },
    {
      "field": "h",
      "role": "head-insertion selector"
    },
    {
      "field": "e",
      "role": "success-event selector"
    },
    {
      "field": "r",
      "role": "relaxed-ordering selector"
    }
  ],
  "ordering": [
    "Queue validation precedes insertion. A successful insertion precedes optional event notification and result publication.",
    "r=0 establishes the release edge; r=1 is relaxed and records no release edge."
  ],
  "standalone_opcode": true,
  "state_effects": [
    "h=0 appends one entry at the tail; h=1 inserts one entry at the head. The queue update, optional event, and destination result are atomic.",
    "Result bits [9:0] hold post-push remaining capacity and [63:62] hold status; unused bits are zero. Status 0 is success, 1 is full or suspended, 2 is missing or corrupt, and 3 is reserved.",
    "Only a successful push with e=1 broadcasts an event."
  ]
}

depends_on

[
  "PTO-BLOCK-MODEL-SCHEMA-PROFILE-ENCODING"
]

id

PTO-BLOCK-HL-QPUSH

mnemonic

HL.QPUSH

summary

Atomically pushes one 64-bit entry at the tail or head of a General Queue Management queue.

surface

block

{
  "classification": [
    "lifecycle"
  ],
  "documentation": "docs/block/lifecycle/HL.QPUSH.md",
  "id": "PTO-BLOCK-HL-QPUSH",
  "instruction_contract": {
    "artifact": "spec/evidence/instruction-contract-closure.json",
    "mnemonic": "HL.QPUSH",
    "ndf_clause": "PTO-INST-BLOCK-HL-QPUSH"
  },
  "mnemonic": "HL.QPUSH",
  "readiness_subjects": [
    "ADR-0032",
    "ADR-0052",
    "ADR-0059",
    "ADR-0084"
  ],
  "semantic_tests": [
    "PTO-AVS-BLOCK-HL-QPUSH-ORDER-001",
    "PTO-AVS-BLOCK-HL-QPUSH-STATUS-001"
  ],
  "source": "asl/block/lifecycle/HL.QPUSH.asl",
  "surface": "block",
  "tests": [
    "PTO-AVS-BLOCK-HL-QPUSH-DECODE-001",
    "PTO-AVS-BLOCK-HL-QPUSH-ORDER-001",
    "PTO-AVS-BLOCK-HL-QPUSH-STATUS-001"
  ]
}