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Yuta Saito fa0f7522c4 coroutine/arm64: Skip saving/restoring x30 twice and use `autiasp` We don't need to save/restore x30 twice, and we can just use `ret`, which uses x30 as return address register instead of explicit `ret <reg>` instruction. This also allows us to use `autiasp` instead of `autia1716` and we can skip setting SP/LR to x16/x17. Also the size of register save area is shrunk by 16 bytes due to the removal of extra x30 save/restore.	2023-12-22 11:30:00 +09:00
..
Context.h	coroutine/arm64: Skip saving/restoring x30 twice and use `autiasp`	2023-12-22 11:30:00 +09:00
Context.S	coroutine/arm64: Skip saving/restoring x30 twice and use `autiasp`	2023-12-22 11:30:00 +09:00

Yuta Saito fa0f7522c4 coroutine/arm64: Skip saving/restoring x30 twice and use autiasp

We don't need to save/restore x30 twice, and we can just use `ret`,
which uses x30 as return address register instead of explicit `ret <reg>`
instruction. This also allows us to use `autiasp` instead of `autia1716`
and we can skip setting SP/LR to x16/x17.

Also the size of register save area is shrunk by 16 bytes due to the
removal of extra x30 save/restore.

2023-12-22 11:30:00 +09:00

Context.h coroutine/arm64: Skip saving/restoring x30 twice and use autiasp 2023-12-22 11:30:00 +09:00

Context.S coroutine/arm64: Skip saving/restoring x30 twice and use autiasp 2023-12-22 11:30:00 +09:00