8a7b0fad53
Currently `f32 % f32` will generate a link error on 32-bit MSVC because LLVM will lower the operation to a call to the nonexistent function `fmodf`. Work around in this in the backend by lowering to a call to `fmod` instead with necessary extension/truncation between floats/doubles. Closes #27859
28 lines
912 B
Rust
28 lines
912 B
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#[inline(never)]
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fn foo(a: f32, b: f32) -> f32 {
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a % b
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}
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#[inline(never)]
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fn bar(a: f32, b: f32) -> f32 {
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((a as f64) % (b as f64)) as f32
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}
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fn main() {
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let unknown_float = std::env::args().len();
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println!("{}", foo(4.0, unknown_float as f32));
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println!("{}", foo(5.0, (unknown_float as f32) + 1.0));
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println!("{}", bar(6.0, (unknown_float as f32) + 2.0));
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println!("{}", bar(7.0, (unknown_float as f32) + 3.0));
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}
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