| commit | f05fa6e0cfdc61f29bac94b157a56e048d10efd1 | [log] [tgz] |
|---|---|---|
| author | antangelo <contact@antangelo.com> | Sun Jun 23 17:18:35 2024 -0400 |
| committer | GitHub <noreply@github.com> | Sun Jun 23 17:18:35 2024 -0400 |
| tree | 9e29a3dc274bfdbecba87cf4fe7b7de2a393660f | |
| parent | b7048681675c2e953688837e9c1db4ec810d1166 [diff] |
[AArch64] Fix argument passing in reserved registers for preserve_nonecc (#96259) These registers include: - X19, used by LLVM as the base pointer - X15 on Windows, where it is used for stack allocation. It can still be used on Linux/Darwin. - Adjust FrameLowering scratch register code to not assume X9 is available if the calling convention is preserve_nonecc. The code will then pick an unused register as scratch, and allow X9 to continue being used for argument passing.
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