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Doc: Add the LoongArch stabilized target features #1707

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Doc: Add the LoongArch stabilized target features #1707

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27 changes: 27 additions & 0 deletions src/attributes/codegen.md
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Original file line number Diff line number Diff line change
Expand Up @@ -280,6 +280,33 @@ 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