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| author | Mara Bos <m-ou.se@m-ou.se> | 2021-09-01 09:23:26 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-09-01 09:23:26 +0200 |
| commit | 494c563f3bd77501cad28732d9dac64d541ca84a (patch) | |
| tree | 9c69a4e4293ed61151ca960dda462b8e1a1f20ea /src/doc | |
| parent | 8fd53e30852fb0b241ed91e4effa549c88941778 (diff) | |
| parent | 5802f60355b8b9a1eaf0c0fc193de3b9c48853df (diff) | |
| download | rust-494c563f3bd77501cad28732d9dac64d541ca84a.tar.gz rust-494c563f3bd77501cad28732d9dac64d541ca84a.zip | |
Rollup merge of #88350 - programmerjake:add-ppc-cr-xer-clobbers, r=Amanieu
add support for clobbering xer, cr, and cr[0-7] for asm! on OpenPower/PowerPC Fixes #88315
Diffstat (limited to 'src/doc')
| -rw-r--r-- | src/doc/unstable-book/src/library-features/asm.md | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/doc/unstable-book/src/library-features/asm.md b/src/doc/unstable-book/src/library-features/asm.md index 4715388408f..a10928a7471 100644 --- a/src/doc/unstable-book/src/library-features/asm.md +++ b/src/doc/unstable-book/src/library-features/asm.md @@ -585,6 +585,8 @@ Here is the list of currently supported register classes: | PowerPC | `reg` | `r[0-31]` | `r` | | PowerPC | `reg_nonzero` | | `r[1-31]` | `b` | | PowerPC | `freg` | `f[0-31]` | `f` | +| PowerPC | `cr` | `cr[0-7]`, `cr` | Only clobbers | +| PowerPC | `xer` | `xer` | Only clobbers | | wasm32 | `local` | None\* | `r` | | BPF | `reg` | `r[0-10]` | `r` | | BPF | `wreg` | `w[0-10]` | `w` | @@ -638,6 +640,8 @@ Each register class has constraints on which value types they can be used with. | PowerPC | `reg` | None | `i8`, `i16`, `i32` | | PowerPC | `reg_nonzero` | None | `i8`, `i16`, `i32` | | PowerPC | `freg` | None | `f32`, `f64` | +| PowerPC | `cr` | N/A | Only clobbers | +| PowerPC | `xer` | N/A | Only clobbers | | wasm32 | `local` | None | `i8` `i16` `i32` `i64` `f32` `f64` | | BPF | `reg` | None | `i8` `i16` `i32` `i64` | | BPF | `wreg` | `alu32` | `i8` `i16` `i32` | |