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Document RISC-V d and f extensions #2355

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Document RISC-V d, e, and f extensions
ehuss May 24, 2026
8ab3b40
take away e, and the cfg-only restriction
RalfJung Sep 12, 2026
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4 changes: 4 additions & 0 deletions src/attributes/codegen.md
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Expand Up @@ -568,6 +568,8 @@ Feature | Implicitly Enables | Description
`a` | `zaamo`, `zalrsc` | [A][rv-a] --- Atomic instructions
`b` | `zba`, `zbc`, `zbs` | [B][rv-b] --- Bit Manipulation instructions
`c` | `zca` | [C][rv-c] --- Compressed instructions
`d` | `f` | [D][rv-d] --- Double-Precision Floating-Point
`f` | `zicsr` | [F][rv-f] --- Single-Precision Floating-Point
`m` | | [M][rv-m] --- Integer Multiplication and Division instructions
`za64rs` | `za128rs` | [Za64rs][rv-za64rs] --- Platform Behavior: Naturally aligned Reservation sets with ≦ 64 Bytes
`za128rs` | | [Za128rs][rv-za128rs] --- Platform Behavior: Naturally aligned Reservation sets with ≦ 128 Bytes
Expand Down Expand Up @@ -620,6 +622,8 @@ Feature | Implicitly Enables | Description
[rv-a]: https://github.com/riscv/riscv-isa-manual/blob/20250508/src/a-st-ext.adoc
[rv-b]: https://github.com/riscv/riscv-isa-manual/blob/20250508/src/b-st-ext.adoc
[rv-c]: https://github.com/riscv/riscv-isa-manual/blob/20250508/src/c-st-ext.adoc
[rv-d]: https://github.com/riscv/riscv-isa-manual/blob/20250508/src/d-st-ext.adoc
[rv-f]: https://github.com/riscv/riscv-isa-manual/blob/20250508/src/f-st-ext.adoc
[rv-m]: https://github.com/riscv/riscv-isa-manual/blob/20250508/src/m-st-ext.adoc
[rv-za64rs]: https://github.com/riscv/riscv-profiles/blob/rva23-rvb23-ratified/src/rva23-profile.adoc
[rv-za128rs]: https://github.com/riscv/riscv-profiles/blob/v1.0/profiles.adoc
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