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Merge pull request #227 from paoloteti/softfloat

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Fix __aeabi_fcmple and add test cases
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Alex Crichton 2018-02-04 08:25:47 -06:00 committed by GitHub
commit 2d8f137801
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2 changed files with 93 additions and 1 deletions
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2
src/float/cmp.rs
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@ -174,7 +174,7 @@ intrinsics! {
#[cfg(target_arch = "arm")]
intrinsics! {
pub extern "aapcs" fn __aeabi_fcmple(a: f32, b: f32) -> i32 {
(__lesf2(a, b) < 0) as i32
(__lesf2(a, b) <= 0) as i32
}
pub extern "aapcs" fn __aeabi_fcmpge(a: f32, b: f32) -> i32 {

92
testcrate/build.rs
View File

@ -121,6 +121,98 @@ fn main() {
},
"compiler_builtins::float::cmp::__lesf2(a, b)");
if target_arch_arm {
gen(|(a, b): (MyF32, MyF32)| {
if a.0.is_nan() || b.0.is_nan() {
return None;
}
let c = (a.0 <= b.0) as i32;
Some(c)
},
"compiler_builtins::float::cmp::__aeabi_fcmple(a, b)");
gen(|(a, b): (MyF32, MyF32)| {
if a.0.is_nan() || b.0.is_nan() {
return None;
}
let c = (a.0 >= b.0) as i32;
Some(c)
},
"compiler_builtins::float::cmp::__aeabi_fcmpge(a, b)");
gen(|(a, b): (MyF32, MyF32)| {
if a.0.is_nan() || b.0.is_nan() {
return None;
}
let c = (a.0 == b.0) as i32;
Some(c)
},
"compiler_builtins::float::cmp::__aeabi_fcmpeq(a, b)");
gen(|(a, b): (MyF32, MyF32)| {
if a.0.is_nan() || b.0.is_nan() {
return None;
}
let c = (a.0 < b.0) as i32;
Some(c)
},
"compiler_builtins::float::cmp::__aeabi_fcmplt(a, b)");
gen(|(a, b): (MyF32, MyF32)| {
if a.0.is_nan() || b.0.is_nan() {
return None;
}
let c = (a.0 > b.0) as i32;
Some(c)
},
"compiler_builtins::float::cmp::__aeabi_fcmpgt(a, b)");
gen(|(a, b): (MyF64, MyF64)| {
if a.0.is_nan() || b.0.is_nan() {
return None;
}
let c = (a.0 <= b.0) as i32;
Some(c)
},
"compiler_builtins::float::cmp::__aeabi_dcmple(a, b)");
gen(|(a, b): (MyF64, MyF64)| {
if a.0.is_nan() || b.0.is_nan() {
return None;
}
let c = (a.0 >= b.0) as i32;
Some(c)
},
"compiler_builtins::float::cmp::__aeabi_dcmpge(a, b)");
gen(|(a, b): (MyF64, MyF64)| {
if a.0.is_nan() || b.0.is_nan() {
return None;
}
let c = (a.0 == b.0) as i32;
Some(c)
},
"compiler_builtins::float::cmp::__aeabi_dcmpeq(a, b)");
gen(|(a, b): (MyF64, MyF64)| {
if a.0.is_nan() || b.0.is_nan() {
return None;
}
let c = (a.0 < b.0) as i32;
Some(c)
},
"compiler_builtins::float::cmp::__aeabi_dcmplt(a, b)");
gen(|(a, b): (MyF64, MyF64)| {
if a.0.is_nan() || b.0.is_nan() {
return None;
}
let c = (a.0 > b.0) as i32;
Some(c)
},
"compiler_builtins::float::cmp::__aeabi_dcmpgt(a, b)");
}
// float/conv.rs
gen(|a: MyF64| i64(a.0).ok(),
"compiler_builtins::float::conv::__fixdfdi(a)");