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| author | 许杰友 Jieyou Xu (Joe) <39484203+jieyouxu@users.noreply.github.com> | 2024-11-30 12:57:32 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-11-30 12:57:32 +0800 |
| commit | 1aa01927d3b8eeec06db1cd72e23b08983aa3104 (patch) | |
| tree | a0bfe91315b9e8d7d0ce9cb8ce2613b76b18aad2 /src/doc | |
| parent | 76f3ff605962d7046bc1537597ceed5e12325f54 (diff) | |
| parent | df8feb5067f99e20059c7ee8021d9ba5273bfe68 (diff) | |
Rollup merge of #131551 - taiki-e:ppc-asm-vreg-inout, r=Amanieu
Support input/output in vector registers of PowerPC inline assembly This extends currently clobber-only vector registers (`vreg`) support to allow passing `#[repr(simd)]` types as input/output. | Architecture | Register class | Target feature | Allowed types | | ------------ | -------------- | -------------- | -------------- | | PowerPC | `vreg` | `altivec` | `i8x16`, `i16x8`, `i32x4`, `f32x4` | | PowerPC | `vreg` | `vsx` | `f32`, `f64`, `i64x2`, `f64x2` | In addition to floats and `core::simd` types listed above, `core::arch` types and custom `#[repr(simd)]` types of the same size and type are also allowed. All allowed types and relevant target features are currently unstable. r? `@Amanieu` `@rustbot` label +O-PowerPC +A-inline-assembly
Diffstat (limited to 'src/doc')
| -rw-r--r-- | src/doc/unstable-book/src/language-features/asm-experimental-arch.md | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/doc/unstable-book/src/language-features/asm-experimental-arch.md b/src/doc/unstable-book/src/language-features/asm-experimental-arch.md index 12a73f0508b..c2f4170d7d2 100644 --- a/src/doc/unstable-book/src/language-features/asm-experimental-arch.md +++ b/src/doc/unstable-book/src/language-features/asm-experimental-arch.md @@ -34,7 +34,7 @@ This feature tracks `asm!` and `global_asm!` support for the following architect | PowerPC | `reg` | `r0`, `r[3-12]`, `r[14-28]` | `r` | | PowerPC | `reg_nonzero` | `r[3-12]`, `r[14-28]` | `b` | | PowerPC | `freg` | `f[0-31]` | `f` | -| PowerPC | `vreg` | `v[0-31]` | Only clobbers | +| PowerPC | `vreg` | `v[0-31]` | `v` | | PowerPC | `cr` | `cr[0-7]`, `cr` | Only clobbers | | PowerPC | `xer` | `xer` | Only clobbers | | wasm32 | `local` | None\* | `r` | @@ -75,7 +75,8 @@ This feature tracks `asm!` and `global_asm!` support for the following architect | PowerPC | `reg` | None | `i8`, `i16`, `i32`, `i64` (powerpc64 only) | | PowerPC | `reg_nonzero` | None | `i8`, `i16`, `i32`, `i64` (powerpc64 only) | | PowerPC | `freg` | None | `f32`, `f64` | -| PowerPC | `vreg` | N/A | Only clobbers | +| PowerPC | `vreg` | `altivec` | `i8x16`, `i16x8`, `i32x4`, `f32x4` | +| PowerPC | `vreg` | `vsx` | `f32`, `f64`, `i64x2`, `f64x2` | | PowerPC | `cr` | N/A | Only clobbers | | PowerPC | `xer` | N/A | Only clobbers | | wasm32 | `local` | None | `i8` `i16` `i32` `i64` `f32` `f64` | @@ -181,6 +182,7 @@ This feature tracks `asm!` and `global_asm!` support for the following architect | PowerPC | `reg` | None | `0` | None | | PowerPC | `reg_nonzero` | None | `3` | None | | PowerPC | `freg` | None | `0` | None | +| PowerPC | `vreg` | None | `0` | None | | SPARC | `reg` | None | `%o0` | None | | CSKY | `reg` | None | `r0` | None | | CSKY | `freg` | None | `f0` | None | |