libcxx: use SIZEOF_LONG == 8 instead of LP64
For MFC, 64bit mips is excluded from the new mode of wait/wake, because
it uses 32bit __cxx_contention_t, as noted by jrtc27.
(cherry picked from commit 25b18d8935a5ee933d5465f5db41ad58c26590f9)
Description
Description
Details
Details
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kib Authored on Jan 24 2023, 10:03 AM - Parents
- rG17262e08af4e: libcxx: Implement atomic::wait/notify using _umtx_op(2) for 64bit arches
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