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Move divider intrinsics to the new intrinsics macro

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This commit is contained in:
Derek Hageman 2022-02-01 20:56:39 -07:00
parent a70eb89799
commit ce681b4f10
1 changed files with 9 additions and 63 deletions
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72
rp2040-hal/src/sio.rs
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@ -286,71 +286,17 @@ impl HwDivider {
} }
} }
macro_rules! divider_intrinsics { intrinsics! {
() => (); #[aeabi = __aeabi_uidiv]
extern "C" fn __udivsi3(n: u32, d: u32) -> u32 {
(
#[arm_aeabi_alias = $alias:ident]
pub extern $abi:tt fn $name:ident( $($argname:ident: $ty:ty),* ) -> $ret:ty {
$($body:tt)*
}
$($rest:tt)*
) => (
extern $abi fn $name( $($argname: $ty),* ) -> $ret {
$($body)*
}
mod $name {
#[no_mangle]
pub extern $abi fn $name( $($argname: $ty),* ) -> $ret {
super::$name($($argname),*)
}
}
mod $alias {
#[no_mangle]
pub extern $abi fn $alias( $($argname: $ty),* ) -> $ret {
super::$name($($argname),*)
}
}
divider_intrinsics!($($rest)*);
);
(
pub extern $abi:tt fn $name:ident( $($argname:ident: $ty:ty),* ) -> $ret:ty {
$($body:tt)*
}
$($rest:tt)*
) => (
extern $abi fn $name( $($argname: $ty),* ) -> $ret {
$($body)*
}
mod $name {
#[no_mangle]
pub extern $abi fn $name( $($argname: $ty),* ) -> $ret {
super::$name($($argname),*)
}
}
divider_intrinsics!($($rest)*);
);
}
divider_intrinsics! {
#[arm_aeabi_alias = __aeabi_uidiv]
pub extern "C" fn __udivsi3(n: u32, d: u32) -> u32 {
divider_unsigned(n, d).quotient divider_unsigned(n, d).quotient
} }
pub extern "C" fn __umodsi3(n: u32, d: u32) -> u32 { extern "C" fn __umodsi3(n: u32, d: u32) -> u32 {
divider_unsigned(n, d).remainder divider_unsigned(n, d).remainder
} }
pub extern "C" fn __udivmodsi4(n: u32, d: u32, rem: Option<&mut u32>) -> u32 { extern "C" fn __udivmodsi4(n: u32, d: u32, rem: Option<&mut u32>) -> u32 {
let quo_rem = divider_unsigned(n, d); let quo_rem = divider_unsigned(n, d);
if let Some(rem) = rem { if let Some(rem) = rem {
*rem = quo_rem.remainder; *rem = quo_rem.remainder;
@ -358,16 +304,16 @@ divider_intrinsics! {
quo_rem.quotient quo_rem.quotient
} }
#[arm_aeabi_alias = __aeabi_idiv] #[aeabi = __aeabi_idiv]
pub extern "C" fn __divsi3(n: i32, d: i32) -> i32 { extern "C" fn __divsi3(n: i32, d: i32) -> i32 {
divider_signed(n, d).quotient divider_signed(n, d).quotient
} }
pub extern "C" fn __modsi3(n: i32, d: i32) -> i32 { extern "C" fn __modsi3(n: i32, d: i32) -> i32 {
divider_signed(n, d).remainder divider_signed(n, d).remainder
} }
pub extern "C" fn __divmodsi4(n: i32, d: i32, rem: &mut i32) -> i32 { extern "C" fn __divmodsi4(n: i32, d: i32, rem: &mut i32) -> i32 {
let quo_rem = divider_signed(n, d); let quo_rem = divider_signed(n, d);
*rem = quo_rem.remainder; *rem = quo_rem.remainder;
quo_rem.quotient quo_rem.quotient