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[RISCV][docs] Update url for SpacemiT xsmtvdot #170598

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zqb-all merged 1 commit into from
Dec 5, 2025
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[RISCV][docs] Update url for SpacemiT xsmtvdot #170598

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2 changes: 1 addition & 1 deletion llvm/docs/RISCVUsage.rst
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Expand Up @@ -551,7 +551,7 @@ The current vendor extensions supported are:
LLVM implements `version 5.0.0 of the Andes Vector Dot Product Extension specification <https://github.com/andestech/andes-v5-isa/releases/download/ast-v5_4_0-release/AndeStar_V5_ISA_Spec_UM165-v1.5.08-20250317.pdf>`__ by Andes Technology. All instructions are prefixed with `nds.` as described in the specification.

``XSMTVDot``
SpacemiT defines `Intrinsic Matrix Extension (IME) specification <https://github.com/space-mit/riscv-ime-extension-spec/releases/tag/v0429>`__.
SpacemiT defines `Integrated Matrix Extension (IME) specification <https://github.com/spacemit-com/riscv-ime-extension-spec/releases/tag/v1.0>`__.
LLVM implement the hardware-adapted subset for SpacemiT X60, defined in the `feature document <https://developer.spacemit.com/documentation?token=BWbGwbx7liGW21kq9lucSA6Vnpb#2.1>`__ by SpacemiT. All instructions are prefixed with `smt.` as described in the implementation guide. Note that this implemented subset is `version 1.0.0 of the SpacemiT Vector Dot Product Extension specification`, which is strictly a subset of the full IME specification to reflect the capabilities of SpacemiT X60 hardware correctly.

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