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chfast / intx

Extended precision integer C++ library
Apache License 2.0
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Fix buggy __builtin_subcll in Xcode 14.3.1 on arm64 #294

Closed chfast closed 1 year ago

chfast commented 1 year ago

The C++ compiler from Xcode 14.3.1 miscompiles __builtin_subcll on arm64 / Apple M1 architectures. This change disables usage of the builtin in this compiler version.

Replaces #293. Fixes #292.