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6da65479fc
Following are a series of cleanups to the frange code in preparation for a much more invasive patch rewriting the NAN and sign tracking bits. Please be patient, as I'm trying to break everything up into small chunks instead of dropping a mondo patch removing the NAN and sign tristate handling. No functional changes. Regstrapped on x86-64 Linux, plus I ran selftests for -ffinite-math-only. gcc/ChangeLog: * value-query.cc (range_query::get_tree_range): Remove check for overflow. * value-range-pretty-print.cc (vrange_printer::visit): Move read of type until after undefined_p is checked. * value-range.cc (frange::set): Remove asserts for REAL_CST. (frange::contains_p): Tidy up. (range_tests_nan): Add comment. * value-range.h (frange::type): Check for undefined_p. (frange::set_undefined): Remove set of endpoints.
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