Browse Extensions

xthead-mempair

1.0.0.xsil package

by extensilica

T-Head XTheadMemPair paired-register load/store memory operations

No confirmed encoding conflictsShares encoding space with 11 extension(s)
Show encoding relation details

mojo-v INFO

  • SHARED_CUSTOM_SPACE: both declare custom-0; shared custom space (no per-vendor allocation in RISC-V). Not a conflict on its own — composing both needs opcode remapping or selective enable.

xthead-ba INFO

  • SHARED_CUSTOM_SPACE: both declare custom-0; shared custom space (no per-vendor allocation in RISC-V). Not a conflict on its own — composing both needs opcode remapping or selective enable.

xthead-bb INFO

  • SHARED_CUSTOM_SPACE: both declare custom-0; shared custom space (no per-vendor allocation in RISC-V). Not a conflict on its own — composing both needs opcode remapping or selective enable.

xthead-bs INFO

  • SHARED_CUSTOM_SPACE: both declare custom-0; shared custom space (no per-vendor allocation in RISC-V). Not a conflict on its own — composing both needs opcode remapping or selective enable.

xthead-condmov INFO

  • SHARED_CUSTOM_SPACE: both declare custom-0; shared custom space (no per-vendor allocation in RISC-V). Not a conflict on its own — composing both needs opcode remapping or selective enable.

xthead-fmemidx INFO

  • SHARED_CUSTOM_SPACE: both declare custom-0; shared custom space (no per-vendor allocation in RISC-V). Not a conflict on its own — composing both needs opcode remapping or selective enable.

xthead-fmv INFO

  • SHARED_CUSTOM_SPACE: both declare custom-0; shared custom space (no per-vendor allocation in RISC-V). Not a conflict on its own — composing both needs opcode remapping or selective enable.

xthead-int INFO

  • SHARED_CUSTOM_SPACE: both declare custom-0; shared custom space (no per-vendor allocation in RISC-V). Not a conflict on its own — composing both needs opcode remapping or selective enable.

xthead-mac INFO

  • SHARED_CUSTOM_SPACE: both declare custom-0; shared custom space (no per-vendor allocation in RISC-V). Not a conflict on its own — composing both needs opcode remapping or selective enable.

xthead-sync INFO

  • SHARED_CUSTOM_SPACE: both declare custom-0; shared custom space (no per-vendor allocation in RISC-V). Not a conflict on its own — composing both needs opcode remapping or selective enable.

xthead-vdot INFO

  • SHARED_CUSTOM_SPACE: both declare custom-0; shared custom space (no per-vendor allocation in RISC-V). Not a conflict on its own — composing both needs opcode remapping or selective enable.

This versioned archive records the Extension's encoding, dependencies, provenance, documentation, and any simulator, toolchain, RTL, test, or hardware support declared by its maintainer.

Package metadata

Metadata is published by the package maintainer. Inspect the archive, upstream sources, and checksums before depending on declared support.

Required ISA
RV64I_Xtheadmempair
Declared support
spike
Toolchain
riscv64-unknown-elf · v14.2.0 (external)
Capabilities
ISAToolchain: externalSim: SpikeTestsRepro: host-dependententrytestEntry
Resolution
host-dependent
Archive checksum
sha256:d4038eecd62796527012fab46fa8e919bd2ba4b33bae73f44c3211475ea12c85
Payload checksum
sha256:bcbd7e6bf6c5e99dc9f7248c044140570dd4c045e41a37aa5c3b01bf9ce79dca
Support metadata
{
  "spike": {
    "config": "sim/spike.yaml",
    "isa": "rv64gc_xtheadmempair",
    "mem": "256m",
    "priv": "msu",
    "status": "skeleton"
  }
}
Dependencies
{
  "tools": []
}

README

T-Head XTheadMemPair paired-register load/store memory operations

Version History

VersionPublishedStatus
1.0.0latest
xsil install [email protected]
May 14, 2026active

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07-1307-2007-2708-0308-1008-11

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1.0.0
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