ARM: add backend support for the ABI used in WatchOS

Description

ARM: add backend support for the ABI used in WatchOS

At the LLVM level this ABI is essentially a minimal modification of AAPCS to
support 16-byte alignment for vector types and the stack.

Details

Committed
tnorthoverOct 28 2015, 3:46 PM
Parents
rL251569: ARM: support .watchos_version_min and .tvos_version_min.
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