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Support: use internal call_once on PPC64le

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Always use the internal `call_once` for PPC64le.  This is needed to
support the Swift toolchain on PPC64le.

Patch by Sarvesh Tamba!

llvm-svn: 354045
This commit is contained in:
Saleem Abdulrasool 2019-02-14 18:36:52 +00:00
parent e6ec8f30c9
commit 38ec336765
1 changed files with 3 additions and 0 deletions
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3
include/llvm/Support/Threading.h
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@ -32,6 +32,9 @@
// implementations like libstdc++ are known to have problems on NetBSD,
// OpenBSD and PowerPC.
#define LLVM_THREADING_USE_STD_CALL_ONCE 1
#elif defined(LLVM_ON_UNIX) && \
((defined(__ppc__) || defined(__PPC__)) && defined(__LITTLE_ENDIAN__))
#define LLVM_THREADING_USE_STD_CALL_ONCE 1
#else
#define LLVM_THREADING_USE_STD_CALL_ONCE 0
#endif