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--- a/src/lib/Iex/IexMathFpu.cpp
+++ b/src/lib/Iex/IexMathFpu.cpp
@@ -251,14 +251,14 @@
inline void
restoreControlRegs (const ucontext_t & ucon, bool clearExceptions)
{
-# if defined(__GLIBC__) && defined(__i386__)
+# if defined(__linux__) && 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__)
+# if defined(__linux__) && defined(__i386__)
setMxcsr (kfp->magic == 0 ? kfp->mxcsr : 0, clearExceptions);
#else
setMxcsr (kfp->mxcsr, clearExceptions);
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