diff options
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/intrinsics.rs | 60 | ||||
| -rw-r--r-- | src/libstd/io/extensions.rs | 14 | ||||
| -rw-r--r-- | src/libstd/mem.rs | 96 | ||||
| -rw-r--r-- | src/libstd/num/i16.rs | 6 | ||||
| -rw-r--r-- | src/libstd/num/i32.rs | 6 | ||||
| -rw-r--r-- | src/libstd/num/i64.rs | 6 | ||||
| -rw-r--r-- | src/libstd/num/i8.rs | 6 |
7 files changed, 109 insertions, 85 deletions
diff --git a/src/libstd/intrinsics.rs b/src/libstd/intrinsics.rs index 896ebcd6fb5..175c7fe57b3 100644 --- a/src/libstd/intrinsics.rs +++ b/src/libstd/intrinsics.rs @@ -394,26 +394,50 @@ extern "rust-intrinsic" { pub fn roundf32(x: f32) -> f32; pub fn roundf64(x: f64) -> f64; +} +#[cfg(not(stage0))] +extern "rust-intrinsic" { + pub fn ctpop8(x: u8) -> u8; + pub fn ctpop16(x: u16) -> u16; + pub fn ctpop32(x: u32) -> u32; + pub fn ctpop64(x: u64) -> u64; + + pub fn ctlz8(x: u8) -> u8; + pub fn ctlz16(x: u16) -> u16; + pub fn ctlz32(x: u32) -> u32; + pub fn ctlz64(x: u64) -> u64; + + pub fn cttz8(x: u8) -> u8; + pub fn cttz16(x: u16) -> u16; + pub fn cttz32(x: u32) -> u32; + pub fn cttz64(x: u64) -> u64; + + pub fn bswap16(x: u16) -> u16; + pub fn bswap32(x: u32) -> u32; + pub fn bswap64(x: u64) -> u64; +} - pub fn ctpop8(x: i8) -> i8; - pub fn ctpop16(x: i16) -> i16; - pub fn ctpop32(x: i32) -> i32; - pub fn ctpop64(x: i64) -> i64; - - pub fn ctlz8(x: i8) -> i8; - pub fn ctlz16(x: i16) -> i16; - pub fn ctlz32(x: i32) -> i32; - pub fn ctlz64(x: i64) -> i64; - - pub fn cttz8(x: i8) -> i8; - pub fn cttz16(x: i16) -> i16; - pub fn cttz32(x: i32) -> i32; - pub fn cttz64(x: i64) -> i64; - - pub fn bswap16(x: i16) -> i16; - pub fn bswap32(x: i32) -> i32; - pub fn bswap64(x: i64) -> i64; +// NOTE: remove this after a snap, and merge the extern block above +macro_rules! stage0_hack { + ($( $u_ty:ty, $i_ty:ty => $($name:ident),*);*) => { + $( + $( + #[cfg(stage0)] + pub unsafe fn $name(x: $u_ty) -> $u_ty { + extern "rust-intrinsic" { fn $name(x: $i_ty) -> $i_ty; } + $name(x as $i_ty) as $u_ty + } + )*)* + } +} +stage0_hack! { + u8, i8 => ctpop8, ctlz8, cttz8; + u16, i16 => ctpop16, ctlz16, cttz16, bswap16; + u32, i32 => ctpop32, ctlz32, cttz32, bswap32; + u64, i64 => ctpop64, ctlz64, cttz64, bswap64 +} +extern "rust-intrinsic" { pub fn i8_add_with_overflow(x: i8, y: i8) -> (i8, bool); pub fn i16_add_with_overflow(x: i16, y: i16) -> (i16, bool); pub fn i32_add_with_overflow(x: i32, y: i32) -> (i32, bool); diff --git a/src/libstd/io/extensions.rs b/src/libstd/io/extensions.rs index b2202a13057..d8022b1e26c 100644 --- a/src/libstd/io/extensions.rs +++ b/src/libstd/io/extensions.rs @@ -83,9 +83,9 @@ pub fn u64_to_le_bytes<T>(n: u64, size: uint, f: |v: &[u8]| -> T) -> T { assert!(size <= 8u); match size { 1u => f(&[n as u8]), - 2u => f(unsafe { transmute::<i16, [u8, ..2]>(to_le16(n as i16)) }), - 4u => f(unsafe { transmute::<i32, [u8, ..4]>(to_le32(n as i32)) }), - 8u => f(unsafe { transmute::<i64, [u8, ..8]>(to_le64(n as i64)) }), + 2u => f(unsafe { transmute::<_, [u8, ..2]>(to_le16(n as u16)) }), + 4u => f(unsafe { transmute::<_, [u8, ..4]>(to_le32(n as u32)) }), + 8u => f(unsafe { transmute::<_, [u8, ..8]>(to_le64(n)) }), _ => { let mut bytes = vec!(); @@ -123,9 +123,9 @@ pub fn u64_to_be_bytes<T>(n: u64, size: uint, f: |v: &[u8]| -> T) -> T { assert!(size <= 8u); match size { 1u => f(&[n as u8]), - 2u => f(unsafe { transmute::<i16, [u8, ..2]>(to_be16(n as i16)) }), - 4u => f(unsafe { transmute::<i32, [u8, ..4]>(to_be32(n as i32)) }), - 8u => f(unsafe { transmute::<i64, [u8, ..8]>(to_be64(n as i64)) }), + 2u => f(unsafe { transmute::<_, [u8, ..2]>(to_be16(n as u16)) }), + 4u => f(unsafe { transmute::<_, [u8, ..4]>(to_be32(n as u32)) }), + 8u => f(unsafe { transmute::<_, [u8, ..8]>(to_be64(n)) }), _ => { let mut bytes = vec!(); let mut i = size; @@ -166,7 +166,7 @@ pub fn u64_from_be_bytes(data: &[u8], start: uint, size: uint) -> u64 { let ptr = data.as_ptr().offset(start as int); let out = buf.as_mut_ptr(); copy_nonoverlapping_memory(out.offset((8 - size) as int), ptr, size); - from_be64(*(out as *i64)) as u64 + from_be64(*(out as *u64)) } } diff --git a/src/libstd/mem.rs b/src/libstd/mem.rs index deefb3fe2ed..282cfe51782 100644 --- a/src/libstd/mem.rs +++ b/src/libstd/mem.rs @@ -99,128 +99,128 @@ pub unsafe fn move_val_init<T>(dst: &mut T, src: T) { intrinsics::move_val_init(dst, src) } -/// Convert an i16 to little endian from the target's endianness. +/// Convert an u16 to little endian from the target's endianness. /// /// On little endian, this is a no-op. On big endian, the bytes are swapped. -#[cfg(target_endian = "little")] #[inline] pub fn to_le16(x: i16) -> i16 { x } +#[cfg(target_endian = "little")] #[inline] pub fn to_le16(x: u16) -> u16 { x } -/// Convert an i16 to little endian from the target's endianness. +/// Convert an u16 to little endian from the target's endianness. /// /// On little endian, this is a no-op. On big endian, the bytes are swapped. -#[cfg(target_endian = "big")] #[inline] pub fn to_le16(x: i16) -> i16 { unsafe { bswap16(x) } } +#[cfg(target_endian = "big")] #[inline] pub fn to_le16(x: u16) -> u16 { unsafe { bswap16(x) } } -/// Convert an i32 to little endian from the target's endianness. +/// Convert an u32 to little endian from the target's endianness. /// /// On little endian, this is a no-op. On big endian, the bytes are swapped. -#[cfg(target_endian = "little")] #[inline] pub fn to_le32(x: i32) -> i32 { x } +#[cfg(target_endian = "little")] #[inline] pub fn to_le32(x: u32) -> u32 { x } -/// Convert an i32 to little endian from the target's endianness. +/// Convert an u32 to little endian from the target's endianness. /// /// On little endian, this is a no-op. On big endian, the bytes are swapped. -#[cfg(target_endian = "big")] #[inline] pub fn to_le32(x: i32) -> i32 { unsafe { bswap32(x) } } +#[cfg(target_endian = "big")] #[inline] pub fn to_le32(x: u32) -> u32 { unsafe { bswap32(x) } } -/// Convert an i64 to little endian from the target's endianness. +/// Convert an u64 to little endian from the target's endianness. /// /// On little endian, this is a no-op. On big endian, the bytes are swapped. -#[cfg(target_endian = "little")] #[inline] pub fn to_le64(x: i64) -> i64 { x } +#[cfg(target_endian = "little")] #[inline] pub fn to_le64(x: u64) -> u64 { x } -/// Convert an i64 to little endian from the target's endianness. +/// Convert an u64 to little endian from the target's endianness. /// /// On little endian, this is a no-op. On big endian, the bytes are swapped. -#[cfg(target_endian = "big")] #[inline] pub fn to_le64(x: i64) -> i64 { unsafe { bswap64(x) } } +#[cfg(target_endian = "big")] #[inline] pub fn to_le64(x: u64) -> u64 { unsafe { bswap64(x) } } -/// Convert an i16 to big endian from the target's endianness. +/// Convert an u16 to big endian from the target's endianness. /// /// On big endian, this is a no-op. On little endian, the bytes are swapped. -#[cfg(target_endian = "little")] #[inline] pub fn to_be16(x: i16) -> i16 { unsafe { bswap16(x) } } +#[cfg(target_endian = "little")] #[inline] pub fn to_be16(x: u16) -> u16 { unsafe { bswap16(x) } } -/// Convert an i16 to big endian from the target's endianness. +/// Convert an u16 to big endian from the target's endianness. /// /// On big endian, this is a no-op. On little endian, the bytes are swapped. -#[cfg(target_endian = "big")] #[inline] pub fn to_be16(x: i16) -> i16 { x } +#[cfg(target_endian = "big")] #[inline] pub fn to_be16(x: u16) -> u16 { x } -/// Convert an i32 to big endian from the target's endianness. +/// Convert an u32 to big endian from the target's endianness. /// /// On big endian, this is a no-op. On little endian, the bytes are swapped. -#[cfg(target_endian = "little")] #[inline] pub fn to_be32(x: i32) -> i32 { unsafe { bswap32(x) } } +#[cfg(target_endian = "little")] #[inline] pub fn to_be32(x: u32) -> u32 { unsafe { bswap32(x) } } -/// Convert an i32 to big endian from the target's endianness. +/// Convert an u32 to big endian from the target's endianness. /// /// On big endian, this is a no-op. On little endian, the bytes are swapped. -#[cfg(target_endian = "big")] #[inline] pub fn to_be32(x: i32) -> i32 { x } +#[cfg(target_endian = "big")] #[inline] pub fn to_be32(x: u32) -> u32 { x } -/// Convert an i64 to big endian from the target's endianness. +/// Convert an u64 to big endian from the target's endianness. /// /// On big endian, this is a no-op. On little endian, the bytes are swapped. -#[cfg(target_endian = "little")] #[inline] pub fn to_be64(x: i64) -> i64 { unsafe { bswap64(x) } } +#[cfg(target_endian = "little")] #[inline] pub fn to_be64(x: u64) -> u64 { unsafe { bswap64(x) } } -/// Convert an i64 to big endian from the target's endianness. +/// Convert an u64 to big endian from the target's endianness. /// /// On big endian, this is a no-op. On little endian, the bytes are swapped. -#[cfg(target_endian = "big")] #[inline] pub fn to_be64(x: i64) -> i64 { x } +#[cfg(target_endian = "big")] #[inline] pub fn to_be64(x: u64) -> u64 { x } -/// Convert an i16 from little endian to the target's endianness. +/// Convert an u16 from little endian to the target's endianness. /// /// On little endian, this is a no-op. On big endian, the bytes are swapped. -#[cfg(target_endian = "little")] #[inline] pub fn from_le16(x: i16) -> i16 { x } +#[cfg(target_endian = "little")] #[inline] pub fn from_le16(x: u16) -> u16 { x } -/// Convert an i16 from little endian to the target's endianness. +/// Convert an u16 from little endian to the target's endianness. /// /// On little endian, this is a no-op. On big endian, the bytes are swapped. -#[cfg(target_endian = "big")] #[inline] pub fn from_le16(x: i16) -> i16 { unsafe { bswap16(x) } } +#[cfg(target_endian = "big")] #[inline] pub fn from_le16(x: u16) -> u16 { unsafe { bswap16(x) } } -/// Convert an i32 from little endian to the target's endianness. +/// Convert an u32 from little endian to the target's endianness. /// /// On little endian, this is a no-op. On big endian, the bytes are swapped. -#[cfg(target_endian = "little")] #[inline] pub fn from_le32(x: i32) -> i32 { x } +#[cfg(target_endian = "little")] #[inline] pub fn from_le32(x: u32) -> u32 { x } -/// Convert an i32 from little endian to the target's endianness. +/// Convert an u32 from little endian to the target's endianness. /// /// On little endian, this is a no-op. On big endian, the bytes are swapped. -#[cfg(target_endian = "big")] #[inline] pub fn from_le32(x: i32) -> i32 { unsafe { bswap32(x) } } +#[cfg(target_endian = "big")] #[inline] pub fn from_le32(x: u32) -> u32 { unsafe { bswap32(x) } } -/// Convert an i64 from little endian to the target's endianness. +/// Convert an u64 from little endian to the target's endianness. /// /// On little endian, this is a no-op. On big endian, the bytes are swapped. -#[cfg(target_endian = "little")] #[inline] pub fn from_le64(x: i64) -> i64 { x } +#[cfg(target_endian = "little")] #[inline] pub fn from_le64(x: u64) -> u64 { x } -/// Convert an i64 from little endian to the target's endianness. +/// Convert an u64 from little endian to the target's endianness. /// /// On little endian, this is a no-op. On big endian, the bytes are swapped. -#[cfg(target_endian = "big")] #[inline] pub fn from_le64(x: i64) -> i64 { unsafe { bswap64(x) } } +#[cfg(target_endian = "big")] #[inline] pub fn from_le64(x: u64) -> u64 { unsafe { bswap64(x) } } -/// Convert an i16 from big endian to the target's endianness. +/// Convert an u16 from big endian to the target's endianness. /// /// On big endian, this is a no-op. On little endian, the bytes are swapped. -#[cfg(target_endian = "little")] #[inline] pub fn from_be16(x: i16) -> i16 { unsafe { bswap16(x) } } +#[cfg(target_endian = "little")] #[inline] pub fn from_be16(x: u16) -> u16 { unsafe { bswap16(x) } } -/// Convert an i16 from big endian to the target's endianness. +/// Convert an u16 from big endian to the target's endianness. /// /// On big endian, this is a no-op. On little endian, the bytes are swapped. -#[cfg(target_endian = "big")] #[inline] pub fn from_be16(x: i16) -> i16 { x } +#[cfg(target_endian = "big")] #[inline] pub fn from_be16(x: u16) -> u16 { x } -/// Convert an i32 from big endian to the target's endianness. +/// Convert an u32 from big endian to the target's endianness. /// /// On big endian, this is a no-op. On little endian, the bytes are swapped. -#[cfg(target_endian = "little")] #[inline] pub fn from_be32(x: i32) -> i32 { unsafe { bswap32(x) } } +#[cfg(target_endian = "little")] #[inline] pub fn from_be32(x: u32) -> u32 { unsafe { bswap32(x) } } -/// Convert an i32 from big endian to the target's endianness. +/// Convert an u32 from big endian to the target's endianness. /// /// On big endian, this is a no-op. On little endian, the bytes are swapped. -#[cfg(target_endian = "big")] #[inline] pub fn from_be32(x: i32) -> i32 { x } +#[cfg(target_endian = "big")] #[inline] pub fn from_be32(x: u32) -> u32 { x } -/// Convert an i64 from big endian to the target's endianness. +/// Convert an u64 from big endian to the target's endianness. /// /// On big endian, this is a no-op. On little endian, the bytes are swapped. -#[cfg(target_endian = "little")] #[inline] pub fn from_be64(x: i64) -> i64 { unsafe { bswap64(x) } } +#[cfg(target_endian = "little")] #[inline] pub fn from_be64(x: u64) -> u64 { unsafe { bswap64(x) } } -/// Convert an i64 from big endian to the target's endianness. +/// Convert an u64 from big endian to the target's endianness. /// /// On big endian, this is a no-op. On little endian, the bytes are swapped. -#[cfg(target_endian = "big")] #[inline] pub fn from_be64(x: i64) -> i64 { x } +#[cfg(target_endian = "big")] #[inline] pub fn from_be64(x: u64) -> u64 { x } /** diff --git a/src/libstd/num/i16.rs b/src/libstd/num/i16.rs index 42710a8b459..79827421f92 100644 --- a/src/libstd/num/i16.rs +++ b/src/libstd/num/i16.rs @@ -28,17 +28,17 @@ int_module!(i16, 16) impl Bitwise for i16 { /// Returns the number of ones in the binary representation of the number. #[inline] - fn count_ones(&self) -> i16 { unsafe { intrinsics::ctpop16(*self) } } + fn count_ones(&self) -> i16 { unsafe { intrinsics::ctpop16(*self as u16) as i16 } } /// Returns the number of leading zeros in the in the binary representation /// of the number. #[inline] - fn leading_zeros(&self) -> i16 { unsafe { intrinsics::ctlz16(*self) } } + fn leading_zeros(&self) -> i16 { unsafe { intrinsics::ctlz16(*self as u16) as i16 } } /// Returns the number of trailing zeros in the in the binary representation /// of the number. #[inline] - fn trailing_zeros(&self) -> i16 { unsafe { intrinsics::cttz16(*self) } } + fn trailing_zeros(&self) -> i16 { unsafe { intrinsics::cttz16(*self as u16) as i16 } } } impl CheckedAdd for i16 { diff --git a/src/libstd/num/i32.rs b/src/libstd/num/i32.rs index 69d4b0639f7..97f03299b87 100644 --- a/src/libstd/num/i32.rs +++ b/src/libstd/num/i32.rs @@ -28,17 +28,17 @@ int_module!(i32, 32) impl Bitwise for i32 { /// Returns the number of ones in the binary representation of the number. #[inline] - fn count_ones(&self) -> i32 { unsafe { intrinsics::ctpop32(*self) } } + fn count_ones(&self) -> i32 { unsafe { intrinsics::ctpop32(*self as u32) as i32 } } /// Returns the number of leading zeros in the in the binary representation /// of the number. #[inline] - fn leading_zeros(&self) -> i32 { unsafe { intrinsics::ctlz32(*self) } } + fn leading_zeros(&self) -> i32 { unsafe { intrinsics::ctlz32(*self as u32) as i32 } } /// Returns the number of trailing zeros in the in the binary representation /// of the number. #[inline] - fn trailing_zeros(&self) -> i32 { unsafe { intrinsics::cttz32(*self) } } + fn trailing_zeros(&self) -> i32 { unsafe { intrinsics::cttz32(*self as u32) as i32 } } } impl CheckedAdd for i32 { diff --git a/src/libstd/num/i64.rs b/src/libstd/num/i64.rs index 1f7066c25db..00823aa22c2 100644 --- a/src/libstd/num/i64.rs +++ b/src/libstd/num/i64.rs @@ -30,16 +30,16 @@ int_module!(i64, 64) impl Bitwise for i64 { /// Returns the number of ones in the binary representation of the number. #[inline] - fn count_ones(&self) -> i64 { unsafe { intrinsics::ctpop64(*self) } } + fn count_ones(&self) -> i64 { unsafe { intrinsics::ctpop64(*self as u64) as i64 } } /// Returns the number of leading zeros in the in the binary representation /// of the number. #[inline] - fn leading_zeros(&self) -> i64 { unsafe { intrinsics::ctlz64(*self) } } + fn leading_zeros(&self) -> i64 { unsafe { intrinsics::ctlz64(*self as u64) as i64 } } /// Counts the number of trailing zeros. #[inline] - fn trailing_zeros(&self) -> i64 { unsafe { intrinsics::cttz64(*self) } } + fn trailing_zeros(&self) -> i64 { unsafe { intrinsics::cttz64(*self as u64) as i64 } } } impl CheckedAdd for i64 { diff --git a/src/libstd/num/i8.rs b/src/libstd/num/i8.rs index 061ffddf231..2d349fa7f4f 100644 --- a/src/libstd/num/i8.rs +++ b/src/libstd/num/i8.rs @@ -28,17 +28,17 @@ int_module!(i8, 8) impl Bitwise for i8 { /// Returns the number of ones in the binary representation of the number. #[inline] - fn count_ones(&self) -> i8 { unsafe { intrinsics::ctpop8(*self) } } + fn count_ones(&self) -> i8 { unsafe { intrinsics::ctpop8(*self as u8) as i8 } } /// Returns the number of leading zeros in the in the binary representation /// of the number. #[inline] - fn leading_zeros(&self) -> i8 { unsafe { intrinsics::ctlz8(*self) } } + fn leading_zeros(&self) -> i8 { unsafe { intrinsics::ctlz8(*self as u8) as i8 } } /// Returns the number of trailing zeros in the in the binary representation /// of the number. #[inline] - fn trailing_zeros(&self) -> i8 { unsafe { intrinsics::cttz8(*self) } } + fn trailing_zeros(&self) -> i8 { unsafe { intrinsics::cttz8(*self as u8) as i8 } } } impl CheckedAdd for i8 { |
