Group the load/store and msr/mrs instructions together in swtch.S and other places. This may be useful for efficiency.
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| sys/arm64/arm64/swtch.S | ||
|---|---|---|
| 100–101 | Is there a reason you changed this to ldr, ldp and not keep it as ldp, ldr? | |
| sys/arm64/arm64/swtch.S | ||
|---|---|---|
| 100–101 | This is mostly stylistic. ldr, ldp and ldp, ldr should be equally fine in practice. | |
| sys/arm64/arm64/swtch.S | ||
|---|---|---|
| 100–101 | Ok, it looks like there is a penalty on some CPUs for non-64bit aligned ldp, however as these are all 64bit aligned it should be ok. | |