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Remove the quad_precision_float feature gate

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The f128 type has very little support in the compiler and the feature is
basically unusable today. Supporting half-baked features in the compiler can be
detrimental to the long-term development of the compiler, and hence this feature
is being removed.
This commit is contained in:
Alex Crichton
2014-06-24 16:34:46 -07:00
parent 719ffc2484
commit 3d308fe65b
21 changed files with 4 additions and 74 deletions
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9
src/libsyntax/parse/lexer/mod.rs
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@@ -639,16 +639,9 @@ impl<'a> StringReader<'a> {
/* FIXME (#2252): if this is out of range for either a
32-bit or 64-bit float, it won't be noticed till the
back-end. */
} else if c == '1' && n == '2' && self.nextnextch().unwrap_or('\x00') == '8' {
self.bump();
self.bump();
self.bump();
let last_bpos = self.last_pos;
self.check_float_base(start_bpos, last_bpos, base);
return token::LIT_FLOAT(str_to_ident(num_str.as_slice()), ast::TyF128);
}
let last_bpos = self.last_pos;
self.err_span_(start_bpos, last_bpos, "expected `f32`, `f64` or `f128` suffix");
self.err_span_(start_bpos, last_bpos, "expected `f32` or `f64` suffix");
}
if is_float {
let last_bpos = self.last_pos;