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Auto merge of #885 - Aaron1011:fix/f-round, r=RalfJung

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Add misssing 'roundf32' and 'roundf64' intrinsics
This commit is contained in:
bors
2019-08-04 20:12:02 +00:00
parent bc82f83298 4c11c6b737
commit 96adbf65bc
2 changed files with 7 additions and 2 deletions
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src/shims/intrinsics.rs
+4 -2
View File
@@ -225,7 +225,7 @@ fn call_intrinsic(
}
"sinf32" | "fabsf32" | "cosf32" | "sqrtf32" | "expf32" | "exp2f32" | "logf32" |
"log10f32" | "log2f32" | "floorf32" | "ceilf32" | "truncf32" => {
"log10f32" | "log2f32" | "floorf32" | "ceilf32" | "truncf32" | "roundf32" => {
// FIXME: Using host floats.
let f = f32::from_bits(this.read_scalar(args[0])?.to_u32()?);
let f = match intrinsic_name.get() {
@@ -241,13 +241,14 @@ fn call_intrinsic(
"floorf32" => f.floor(),
"ceilf32" => f.ceil(),
"truncf32" => f.trunc(),
"roundf32" => f.round(),
_ => bug!(),
};
this.write_scalar(Scalar::from_u32(f.to_bits()), dest)?;
}
"sinf64" | "fabsf64" | "cosf64" | "sqrtf64" | "expf64" | "exp2f64" | "logf64" |
"log10f64" | "log2f64" | "floorf64" | "ceilf64" | "truncf64" => {
"log10f64" | "log2f64" | "floorf64" | "ceilf64" | "truncf64" | "roundf64" => {
// FIXME: Using host floats.
let f = f64::from_bits(this.read_scalar(args[0])?.to_u64()?);
let f = match intrinsic_name.get() {
@@ -263,6 +264,7 @@ fn call_intrinsic(
"floorf64" => f.floor(),
"ceilf64" => f.ceil(),
"truncf64" => f.trunc(),
"roundf64" => f.round(),
_ => bug!(),
};
this.write_scalar(Scalar::from_u64(f.to_bits()), dest)?;
tests/run-pass/intrinsics-math.rs
+3
View File
@@ -85,6 +85,9 @@ pub fn main() {
assert_approx_eq!(1.0f32.tan(), 1.557408f32);
assert_approx_eq!(1.0f64.tan(), 1.557408f64);
assert_eq!(3.3_f32.round(), 3.0);
assert_eq!(3.3_f64.round(), 3.0);
extern {
fn ldexp(x: f64, n: i32) -> f64;
}