[PATCH] D135652: [AArch64] Add preserve_all calling convention.

[Eli Friedman via Phabricator via llvm-commits]

efriedma added inline comments.


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Comment at: clang/include/clang/Basic/AttrDocs.td:5176
+  X16-X18. Furthermore it also preserves all SIMD - floating point registers
+  (V0-V31).
+
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Please clarify which bits are actually getting preserved.  It looks like it's the low 64 bits of each vector register?


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  https://reviews.llvm.org/D135652/new/

https://reviews.llvm.org/D135652