Skip to content

Doc: Add the LoongArch stabilized target features #1707

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 12, 2025
+26 −0
Merged

Doc: Add the LoongArch stabilized target features #1707

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
26 changes: 26 additions & 0 deletions src/attributes/codegen.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -309,6 +309,32 @@ Feature | Implicitly Enables | Feature Name
`tme` | | FEAT_TME --- Transactional Memory Extension
`vh` | | FEAT_VHE --- Virtualization Host Extensions

r[attributes.codegen.target_feature.loongarch]
#### `loongarch`

On this platform the usage of `#[target_feature]` functions follows the
[above restrictions][attributes.codegen.target_feature.safety-restrictions].

Feature | Implicitly Enables | Description
------------|---------------------|-------------------
`f` | | [F][la-f] --- Single-precision float-point instructions
`d` | `f` | [D][la-d] --- Double-precision float-point instructions
`frecipe` | | [FRECIPE][la-frecipe] --- Reciprocal approximation instructions
`lasx` | `lsx` | [LASX][la-lasx] --- 256-bit vector instructions
`lbt` | | [LBT][la-lbt] --- Binary translation instructions
`lsx` | `d` | [LSX][la-lsx] --- 128-bit vector instructions
`lvz` | | [LVZ][la-lvz] --- Virtualization instructions

<!-- Keep links near each table to make it easier to move and update. -->

[la-f]: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#cpucfg-fp_sp
[la-d]: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#cpucfg-fp_dp
[la-frecipe]: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#cpucfg-frecipe
[la-lasx]: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#cpucfg-lasx
[la-lbt]: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#cpucfg-lbt_x86
[la-lsx]: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#cpucfg-lsx
[la-lvz]: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html#cpucfg-lvz

r[attributes.codegen.target_feature.riscv]
#### `riscv32` or `riscv64`

Expand Down