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2017 May 10
2
FENV_ACCESS and floating point LibFunc calls
Hi all,
Background
I've been working on adding the necessary support to LLVM for clang to be able to support the STDC FENV_ACCESS pragma, which basically allows users to modify rounding mode at runtime and depend on the value of floating-point status flags or to unmask floating point exceptions without unexpected side effects. I've committed an initial patch (r293226) that adds