M-Labs
/
compiler-builtins-zynq
8
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

modify to fit into standard rustfmt output

master
Lokathor 2018-12-20 17:53:10 -07:00
parent 3080360beb
commit a74490a75b
1 changed files with 49 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

94
src/arm.rs
View File

@ -235,59 +235,63 @@ pub unsafe extern "aapcs" fn __aeabi_memclr8(dest: *mut u8, n: usize) {
} }
#[no_mangle] #[no_mangle]
#[cfg(any(target_pointer_width = "16", target_pointer_width = "32", target_pointer_width = "64"))] #[cfg(any(
target_pointer_width = "16",
target_pointer_width = "32",
target_pointer_width = "64"
))]
pub extern "C" fn __clzsi2(mut x: usize) -> usize { pub extern "C" fn __clzsi2(mut x: usize) -> usize {
// TODO: const this? Requires const if // TODO: const this? Requires const if
let mut y: usize; let mut y: usize;
let mut n: usize = { let mut n: usize = {
#[cfg(target_pointer_width = "64")]
{
64
}
#[cfg(target_pointer_width = "32")]
{
32
}
#[cfg(target_pointer_width = "16")]
{
16
}
};
#[cfg(target_pointer_width = "64")] #[cfg(target_pointer_width = "64")]
{ {
64 y = x >> 32;
if y != 0 {
n -= 32;
x = y;
}
} }
#[cfg(target_pointer_width = "32")] #[cfg(any(target_pointer_width = "32", target_pointer_width = "64"))]
{ {
32 y = x >> 16;
if y != 0 {
n -= 16;
x = y;
}
} }
#[cfg(target_pointer_width = "16")] y = x >> 8;
{
16
}
};
#[cfg(target_pointer_width = "64")]
{
y = x >> 32;
if y != 0 { if y != 0 {
n -= 32; n -= 8;
x = y; x = y;
} }
} y = x >> 4;
#[cfg(any(target_pointer_width = "32", target_pointer_width = "64"))]
{
y = x >> 16;
if y != 0 { if y != 0 {
n -= 16; n -= 4;
x = y; x = y;
}
y = x >> 2;
if y != 0 {
n -= 2;
x = y;
}
y = x >> 1;
if y != 0 {
n - 2
} else {
n - x
} }
}
y = x >> 8;
if y != 0 {
n -= 8;
x = y;
}
y = x >> 4;
if y != 0 {
n -= 4;
x = y;
}
y = x >> 2;
if y != 0 {
n -= 2;
x = y;
}
y = x >> 1;
if y != 0 {
n - 2
} else {
n - x
}
} }