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Add supported asm types for LoongArch32

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This commit is contained in:
WANG Rui
2025-06-09 22:29:59 +08:00
parent 7c10378e1f
commit de8a91b51c
2 changed files with 11 additions and 4 deletions
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10
compiler/rustc_target/src/asm/loongarch.rs
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@@ -34,11 +34,13 @@ impl LoongArchInlineAsmRegClass {
pub fn supported_types(
self,
_arch: InlineAsmArch,
arch: InlineAsmArch,
) -> &'static [(InlineAsmType, Option<Symbol>)] {
match self {
Self::reg => types! { _: I8, I16, I32, I64, F32, F64; },
Self::freg => types! { f: F32; d: F64; },
match (self, arch) {
(Self::reg, InlineAsmArch::LoongArch64) => types! { _: I8, I16, I32, I64, F32, F64; },
(Self::reg, InlineAsmArch::LoongArch32) => types! { _: I8, I16, I32, F32; },
(Self::freg, _) => types! { f: F32; d: F64; },
_ => unreachable!("unsupported register class"),
}
}
}

5
src/doc/unstable-book/src/language-features/asm-experimental-arch.md
View File

@@ -19,6 +19,7 @@ This feature tracks `asm!` and `global_asm!` support for the following architect
- M68k
- CSKY
- SPARC
- LoongArch32
## Register classes
@@ -53,6 +54,8 @@ This feature tracks `asm!` and `global_asm!` support for the following architect
| CSKY | `freg` | `f[0-31]` | `f` |
| SPARC | `reg` | `r[2-29]` | `r` |
| SPARC | `yreg` | `y` | Only clobbers |
| LoongArch32 | `reg` | `$r1`, `$r[4-20]`, `$r[23,30]` | `r` |
| LoongArch32 | `freg` | `$f[0-31]` | `f` |
> **Notes**:
> - NVPTX doesn't have a fixed register set, so named registers are not supported.
@@ -91,6 +94,8 @@ This feature tracks `asm!` and `global_asm!` support for the following architect
| CSKY | `freg` | None | `f32`, |
| SPARC | `reg` | None | `i8`, `i16`, `i32`, `i64` (SPARC64 only) |
| SPARC | `yreg` | N/A | Only clobbers |
| LoongArch32 | `reg` | None | `i8`, `i16`, `i32`, `f32` |
| LoongArch32 | `freg` | None | `f32`, `f64` |
## Register aliases