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compiler-builtins-zynq
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Include `ldexp*` intrinsics on the wasm target 

Looks like LLVM optimizes programs like:

    fn foo(a: u8) -> f32 {
        2.0f32.powf(a as f32)
    }

to actually invoking `ldexpf`, so let's be sure to include bindings so
there's not undefined symbols.
This commit is contained in:
Alex Crichton 2019-05-02 12:40:39 -07:00
parent 045de6e516
commit 4012b9c4f5
2 changed files with 3 additions and 1 deletions
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2
libm

@ -1 +1 @@
Subproject commit 3559e703795d33e84a91da2a35f2f3baac47e872
Subproject commit 0ae442888c7af72c0a335edd43dbbd74c751f119

2
src/math.rs
View File

@ -71,6 +71,8 @@ no_mangle! {
fn sinhf(n: f32) -> f32;
fn tanf(n: f32) -> f32;
fn tanhf(n: f32) -> f32;
fn ldexp(f: f64, n: i32) -> f64;
fn ldexpf(f: f32, n: i32) -> f32;
}
#[cfg(all(target_vendor = "fortanix", target_env = "sgx"))]