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Implement some float intrinsics

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This commit is contained in:
bjorn3 2019-06-25 20:18:10 +02:00
parent 159c6585fe
commit 4e1d219f06
2 changed files with 76 additions and 0 deletions
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9
example/std_example.rs
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@ -20,6 +20,15 @@ fn main() {
// Make sure ByValPair values with differently sized components are correctly passed
map(None::<(u8, Box<Instruction>)>);
println!("{}", 2.3f32.exp());
println!("{}", 2.3f32.exp2());
println!("{}", 2.3f32.abs());
println!("{}", 2.3f32.sqrt());
println!("{}", 2.3f32.floor());
println!("{}", 2.3f32.ceil());
println!("{}", 2.3f32.min(1.0));
println!("{}", 2.3f32.max(1.0));
}
#[derive(PartialEq)]

67
src/intrinsics.rs
View File

@ -586,6 +586,73 @@ pub fn codegen_intrinsic_call<'a, 'tcx: 'a>(
_ if intrinsic.starts_with("atomic_umin"), <T> (v ptr, v src) {
atomic_minmax!(fx, IntCC::UnsignedLessThan, <T> (ptr, src) -> ret);
};
expf32, (c flt) {
let res = fx.easy_call("expf", &[flt], fx.tcx.types.f32);
ret.write_cvalue(fx, res);
};
expf64, (c flt) {
let res = fx.easy_call("exp", &[flt], fx.tcx.types.f64);
ret.write_cvalue(fx, res);
};
exp2f32, (c flt) {
let res = fx.easy_call("exp2f", &[flt], fx.tcx.types.f32);
ret.write_cvalue(fx, res);
};
exp2f64, (c flt) {
let res = fx.easy_call("exp2", &[flt], fx.tcx.types.f64);
ret.write_cvalue(fx, res);
};
fabsf32, (c flt) {
let res = fx.easy_call("fabsf", &[flt], fx.tcx.types.f32);
ret.write_cvalue(fx, res);
};
fabsf64, (c flt) {
let res = fx.easy_call("fabs", &[flt], fx.tcx.types.f64);
ret.write_cvalue(fx, res);
};
sqrtf32, (c flt) {
let res = fx.easy_call("sqrtf", &[flt], fx.tcx.types.f32);
ret.write_cvalue(fx, res);
};
sqrtf64, (c flt) {
let res = fx.easy_call("sqrt", &[flt], fx.tcx.types.f64);
ret.write_cvalue(fx, res);
};
floorf32, (c flt) {
let res = fx.easy_call("floorf", &[flt], fx.tcx.types.f32);
ret.write_cvalue(fx, res);
};
floorf64, (c flt) {
let res = fx.easy_call("floor", &[flt], fx.tcx.types.f64);
ret.write_cvalue(fx, res);
};
ceilf32, (c flt) {
let res = fx.easy_call("ceilf", &[flt], fx.tcx.types.f32);
ret.write_cvalue(fx, res);
};
ceilf64, (c flt) {
let res = fx.easy_call("ceil", &[flt], fx.tcx.types.f64);
ret.write_cvalue(fx, res);
};
minnumf32, (c a, c b) {
let res = fx.easy_call("fminf", &[a, b], fx.tcx.types.f32);
ret.write_cvalue(fx, res);
};
minnumf64, (c a, c b) {
let res = fx.easy_call("fmin", &[a, b], fx.tcx.types.f64);
ret.write_cvalue(fx, res);
};
maxnumf32, (c a, c b) {
let res = fx.easy_call("fmaxf", &[a, b], fx.tcx.types.f32);
ret.write_cvalue(fx, res);
};
maxnumf64, (c a, c b) {
let res = fx.easy_call("fmax", &[a, b], fx.tcx.types.f64);
ret.write_cvalue(fx, res);
};
}
if let Some((_, dest)) = destination {