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IexMathFpu.cpp: Fix build on non-glibc (e.g. musl libc). #798

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Jul 30, 2020
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IexMathFpu.cpp: Fix build on non-glibc (e.g. musl libc). #798

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8 changes: 8 additions & 0 deletions IlmBase/IexMath/IexMathFpu.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -281,10 +281,18 @@ restoreControlRegs (const ucontext_t & ucon, bool clearExceptions)
inline void
restoreControlRegs (const ucontext_t & ucon, bool clearExceptions)
{
#if defined(__GLIBC__) || defined(__i386__)
setCw ((ucon.uc_mcontext.fpregs->cw & cwRestoreMask) | cwRestoreVal);
#else
setCw ((ucon.uc_mcontext.fpregs->cwd & cwRestoreMask) | cwRestoreVal);
#endif

_fpstate * kfp = reinterpret_cast<_fpstate *> (ucon.uc_mcontext.fpregs);
#if defined(__GLIBC__) || defined(__i386__)
setMxcsr (kfp->magic == 0 ? kfp->mxcsr : 0, clearExceptions);
#else
setMxcsr (kfp->mxcsr, clearExceptions);
#endif
}

#endif
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