[PATCH] D38819: [libunwind] Add support for dwarf unwinding on windows on x86_64

[Martin Storsjö via Phabricator via cfe-commits]

mstorsjo added inline comments.


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Comment at: src/UnwindRegistersRestore.S:98
+  # skip fs
+  # skip gs
+  movq  56(%rcx), %rsp  # cut back rsp to new location
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compnerd wrote:
> Doesn't Win64 ABI require some of the MMX registers be saved/restored too?
Right, yes, xmm6-xmm15 should be backed up and restored. I'll try to amend this with such a change.


https://reviews.llvm.org/D38819