https://bugs.llvm.org/show_bug.cgi?id=33920
Bug ID: 33920
Summary: Backport SVN r308950 to 5.0
Product: libraries
Version: 5.0
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Backend: AArch64
Assignee: unassignedb...@nondot.org
Reporter: mar...@martin.st
CC: llvm-bugs@lists.llvm.org
Please backport r308950 ([AArch64] Reserve a 16 byte aligned amount of fixed
stack for win64 varargs) to 5.0. This fixes an issue with the new win/arm64
calling convention.
The support for targeting win/arm64 itself is still immature, but the calling
convention handling in itself should be mature enough, and can be used by Wine
for clang >= 5.0 if this is backported.
This carries no regression risk as it only touches code in new codepaths that
aren't used before.
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