Skip to content

Add trunc and interleaved loading in neon and fallback #17

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
LaurenzV merged 4 commits into from
Jun 30, 2025
Merged

Add trunc and interleaved loading in neon and fallback #17

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
ca38c87
Add more operators
LaurenzV Jun 25, 2025
7dd0ee5
Regenerate
LaurenzV Jun 25, 2025
8cf86b2
Remove wrapping_sub
LaurenzV Jun 30, 2025
ee7c347
Reformat
LaurenzV Jun 30, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
269 changes: 212 additions & 57 deletions fearless_simd/src/generated/fallback.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@ trait FloatExt {
fn floor(self) -> f32;
fn fract(self) -> f32;
fn sqrt(self) -> f32;
fn trunc(self) -> f32;
}
#[cfg(all(feature = "libm", not(feature = "std")))]
impl FloatExt for f32 {
Expand All @@ -25,7 +26,11 @@ impl FloatExt for f32 {
}
#[inline(always)]
fn fract(self) -> f32 {
self - libm::truncf(self)
self - self.trunc()
}
#[inline(always)]
fn trunc(self) -> f32 {
libm::truncf(self)
}
}
/// The SIMD token for the "fallback" level.
Expand Down Expand Up @@ -272,6 +277,16 @@ impl Simd for Fallback {
.simd_into(self)
}
#[inline(always)]
fn trunc_f32x4(self, a: f32x4<Self>) -> f32x4<Self> {
[
f32::trunc(a[0usize]),
f32::trunc(a[1usize]),
f32::trunc(a[2usize]),
f32::trunc(a[3usize]),
]
.simd_into(self)
}
#[inline(always)]
fn select_f32x4(self, a: mask32x4<Self>, b: f32x4<Self>, c: f32x4<Self>) -> f32x4<Self> {
[
if a[0usize] != 0 { b[0usize] } else { c[0usize] },
Expand Down Expand Up @@ -349,22 +364,22 @@ impl Simd for Fallback {
#[inline(always)]
fn sub_i8x16(self, a: i8x16<Self>, b: i8x16<Self>) -> i8x16<Self> {
[
i8::sub(a[0usize], &b[0usize]),
i8::sub(a[1usize], &b[1usize]),
i8::sub(a[2usize], &b[2usize]),
i8::sub(a[3usize], &b[3usize]),
i8::sub(a[4usize], &b[4usize]),
i8::sub(a[5usize], &b[5usize]),
i8::sub(a[6usize], &b[6usize]),
i8::sub(a[7usize], &b[7usize]),
i8::sub(a[8usize], &b[8usize]),
i8::sub(a[9usize], &b[9usize]),
i8::sub(a[10usize], &b[10usize]),
i8::sub(a[11usize], &b[11usize]),
i8::sub(a[12usize], &b[12usize]),
i8::sub(a[13usize], &b[13usize]),
i8::sub(a[14usize], &b[14usize]),
i8::sub(a[15usize], &b[15usize]),
i8::wrapping_sub(a[0usize], b[0usize]),
i8::wrapping_sub(a[1usize], b[1usize]),
i8::wrapping_sub(a[2usize], b[2usize]),
i8::wrapping_sub(a[3usize], b[3usize]),
i8::wrapping_sub(a[4usize], b[4usize]),
i8::wrapping_sub(a[5usize], b[5usize]),
i8::wrapping_sub(a[6usize], b[6usize]),
i8::wrapping_sub(a[7usize], b[7usize]),
i8::wrapping_sub(a[8usize], b[8usize]),
i8::wrapping_sub(a[9usize], b[9usize]),
i8::wrapping_sub(a[10usize], b[10usize]),
i8::wrapping_sub(a[11usize], b[11usize]),
i8::wrapping_sub(a[12usize], b[12usize]),
i8::wrapping_sub(a[13usize], b[13usize]),
i8::wrapping_sub(a[14usize], b[14usize]),
i8::wrapping_sub(a[15usize], b[15usize]),
]
.simd_into(self)
}
Expand Down Expand Up @@ -760,22 +775,22 @@ impl Simd for Fallback {
#[inline(always)]
fn sub_u8x16(self, a: u8x16<Self>, b: u8x16<Self>) -> u8x16<Self> {
[
u8::sub(a[0usize], &b[0usize]),
u8::sub(a[1usize], &b[1usize]),
u8::sub(a[2usize], &b[2usize]),
u8::sub(a[3usize], &b[3usize]),
u8::sub(a[4usize], &b[4usize]),
u8::sub(a[5usize], &b[5usize]),
u8::sub(a[6usize], &b[6usize]),
u8::sub(a[7usize], &b[7usize]),
u8::sub(a[8usize], &b[8usize]),
u8::sub(a[9usize], &b[9usize]),
u8::sub(a[10usize], &b[10usize]),
u8::sub(a[11usize], &b[11usize]),
u8::sub(a[12usize], &b[12usize]),
u8::sub(a[13usize], &b[13usize]),
u8::sub(a[14usize], &b[14usize]),
u8::sub(a[15usize], &b[15usize]),
u8::wrapping_sub(a[0usize], b[0usize]),
u8::wrapping_sub(a[1usize], b[1usize]),
u8::wrapping_sub(a[2usize], b[2usize]),
u8::wrapping_sub(a[3usize], b[3usize]),
u8::wrapping_sub(a[4usize], b[4usize]),
u8::wrapping_sub(a[5usize], b[5usize]),
u8::wrapping_sub(a[6usize], b[6usize]),
u8::wrapping_sub(a[7usize], b[7usize]),
u8::wrapping_sub(a[8usize], b[8usize]),
u8::wrapping_sub(a[9usize], b[9usize]),
u8::wrapping_sub(a[10usize], b[10usize]),
u8::wrapping_sub(a[11usize], b[11usize]),
u8::wrapping_sub(a[12usize], b[12usize]),
u8::wrapping_sub(a[13usize], b[13usize]),
u8::wrapping_sub(a[14usize], b[14usize]),
u8::wrapping_sub(a[15usize], b[15usize]),
]
.simd_into(self)
}
Expand Down Expand Up @@ -1342,14 +1357,14 @@ impl Simd for Fallback {
#[inline(always)]
fn sub_i16x8(self, a: i16x8<Self>, b: i16x8<Self>) -> i16x8<Self> {
[
i16::sub(a[0usize], &b[0usize]),
i16::sub(a[1usize], &b[1usize]),
i16::sub(a[2usize], &b[2usize]),
i16::sub(a[3usize], &b[3usize]),
i16::sub(a[4usize], &b[4usize]),
i16::sub(a[5usize], &b[5usize]),
i16::sub(a[6usize], &b[6usize]),
i16::sub(a[7usize], &b[7usize]),
i16::wrapping_sub(a[0usize], b[0usize]),
i16::wrapping_sub(a[1usize], b[1usize]),
i16::wrapping_sub(a[2usize], b[2usize]),
i16::wrapping_sub(a[3usize], b[3usize]),
i16::wrapping_sub(a[4usize], b[4usize]),
i16::wrapping_sub(a[5usize], b[5usize]),
i16::wrapping_sub(a[6usize], b[6usize]),
i16::wrapping_sub(a[7usize], b[7usize]),
]
.simd_into(self)
}
Expand Down Expand Up @@ -1598,14 +1613,14 @@ impl Simd for Fallback {
#[inline(always)]
fn sub_u16x8(self, a: u16x8<Self>, b: u16x8<Self>) -> u16x8<Self> {
[
u16::sub(a[0usize], &b[0usize]),
u16::sub(a[1usize], &b[1usize]),
u16::sub(a[2usize], &b[2usize]),
u16::sub(a[3usize], &b[3usize]),
u16::sub(a[4usize], &b[4usize]),
u16::sub(a[5usize], &b[5usize]),
u16::sub(a[6usize], &b[6usize]),
u16::sub(a[7usize], &b[7usize]),
u16::wrapping_sub(a[0usize], b[0usize]),
u16::wrapping_sub(a[1usize], b[1usize]),
u16::wrapping_sub(a[2usize], b[2usize]),
u16::wrapping_sub(a[3usize], b[3usize]),
u16::wrapping_sub(a[4usize], b[4usize]),
u16::wrapping_sub(a[5usize], b[5usize]),
u16::wrapping_sub(a[6usize], b[6usize]),
u16::wrapping_sub(a[7usize], b[7usize]),
]
.simd_into(self)
}
Expand Down Expand Up @@ -1946,10 +1961,10 @@ impl Simd for Fallback {
#[inline(always)]
fn sub_i32x4(self, a: i32x4<Self>, b: i32x4<Self>) -> i32x4<Self> {
[
i32::sub(a[0usize], &b[0usize]),
i32::sub(a[1usize], &b[1usize]),
i32::sub(a[2usize], &b[2usize]),
i32::sub(a[3usize], &b[3usize]),
i32::wrapping_sub(a[0usize], b[0usize]),
i32::wrapping_sub(a[1usize], b[1usize]),
i32::wrapping_sub(a[2usize], b[2usize]),
i32::wrapping_sub(a[3usize], b[3usize]),
]
.simd_into(self)
}
Expand Down Expand Up @@ -2132,10 +2147,10 @@ impl Simd for Fallback {
#[inline(always)]
fn sub_u32x4(self, a: u32x4<Self>, b: u32x4<Self>) -> u32x4<Self> {
[
u32::sub(a[0usize], &b[0usize]),
u32::sub(a[1usize], &b[1usize]),
u32::sub(a[2usize], &b[2usize]),
u32::sub(a[3usize], &b[3usize]),
u32::wrapping_sub(a[0usize], b[0usize]),
u32::wrapping_sub(a[1usize], b[1usize]),
u32::wrapping_sub(a[2usize], b[2usize]),
u32::wrapping_sub(a[3usize], b[3usize]),
]
.simd_into(self)
}
Expand Down Expand Up @@ -2514,6 +2529,11 @@ impl Simd for Fallback {
self.combine_f32x4(self.fract_f32x4(a0), self.fract_f32x4(a1))
}
#[inline(always)]
fn trunc_f32x8(self, a: f32x8<Self>) -> f32x8<Self> {
let (a0, a1) = self.split_f32x8(a);
self.combine_f32x4(self.trunc_f32x4(a0), self.trunc_f32x4(a1))
}
#[inline(always)]
fn select_f32x8(self, a: mask32x8<Self>, b: f32x8<Self>, c: f32x8<Self>) -> f32x8<Self> {
let (a0, a1) = self.split_mask32x8(a);
let (b0, b1) = self.split_f32x8(b);
Expand Down Expand Up @@ -3693,6 +3713,11 @@ impl Simd for Fallback {
self.combine_f32x8(self.fract_f32x8(a0), self.fract_f32x8(a1))
}
#[inline(always)]
fn trunc_f32x16(self, a: f32x16<Self>) -> f32x16<Self> {
let (a0, a1) = self.split_f32x16(a);
self.combine_f32x8(self.trunc_f32x8(a0), self.trunc_f32x8(a1))
}
#[inline(always)]
fn select_f32x16(self, a: mask32x16<Self>, b: f32x16<Self>, c: f32x16<Self>) -> f32x16<Self> {
let (a0, a1) = self.split_mask32x16(a);
let (b0, b1) = self.split_f32x16(b);
Expand Down Expand Up @@ -3958,6 +3983,76 @@ impl Simd for Fallback {
(b0.simd_into(self), b1.simd_into(self))
}
#[inline(always)]
fn load_interleaved_128_u8x64(self, src: &[u8; 64usize]) -> u8x64<Self> {
[
src[0usize],
src[16usize],
src[32usize],
src[48usize],
src[1usize],
src[17usize],
src[33usize],
src[49usize],
src[2usize],
src[18usize],
src[34usize],
src[50usize],
src[3usize],
src[19usize],
src[35usize],
src[51usize],
src[4usize],
src[20usize],
src[36usize],
src[52usize],
src[5usize],
src[21usize],
src[37usize],
src[53usize],
src[6usize],
src[22usize],
src[38usize],
src[54usize],
src[7usize],
src[23usize],
src[39usize],
src[55usize],
src[8usize],
src[24usize],
src[40usize],
src[56usize],
src[9usize],
src[25usize],
src[41usize],
src[57usize],
src[10usize],
src[26usize],
src[42usize],
src[58usize],
src[11usize],
src[27usize],
src[43usize],
src[59usize],
src[12usize],
src[28usize],
src[44usize],
src[60usize],
src[13usize],
src[29usize],
src[45usize],
src[61usize],
src[14usize],
src[30usize],
src[46usize],
src[62usize],
src[15usize],
src[31usize],
src[47usize],
src[63usize],
]
.simd_into(self)
}
#[inline(always)]
fn splat_mask8x64(self, a: i8) -> mask8x64<Self> {
let half = self.splat_mask8x32(a);
self.combine_mask8x32(half, half)
Expand Down Expand Up @@ -4269,6 +4364,44 @@ impl Simd for Fallback {
(b0.simd_into(self), b1.simd_into(self))
}
#[inline(always)]
fn load_interleaved_128_u16x32(self, src: &[u16; 32usize]) -> u16x32<Self> {
[
src[0usize],
src[8usize],
src[16usize],
src[24usize],
src[1usize],
src[9usize],
src[17usize],
src[25usize],
src[2usize],
src[10usize],
src[18usize],
src[26usize],
src[3usize],
src[11usize],
src[19usize],
src[27usize],
src[4usize],
src[12usize],
src[20usize],
src[28usize],
src[5usize],
src[13usize],
src[21usize],
src[29usize],
src[6usize],
src[14usize],
src[22usize],
src[30usize],
src[7usize],
src[15usize],
src[23usize],
src[31usize],
]
.simd_into(self)
}
#[inline(always)]
fn narrow_u16x32(self, a: u16x32<Self>) -> u8x32<Self> {
let (a0, a1) = self.split_u16x32(a);
self.combine_u8x16(self.narrow_u16x16(a0), self.narrow_u16x16(a1))
Expand Down Expand Up @@ -4587,6 +4720,28 @@ impl Simd for Fallback {
(b0.simd_into(self), b1.simd_into(self))
}
#[inline(always)]
fn load_interleaved_128_u32x16(self, src: &[u32; 16usize]) -> u32x16<Self> {
[
src[0usize],
src[4usize],
src[8usize],
src[12usize],
src[1usize],
src[5usize],
src[9usize],
src[13usize],
src[2usize],
src[6usize],
src[10usize],
src[14usize],
src[3usize],
src[7usize],
src[11usize],
src[15usize],
]
.simd_into(self)
}
#[inline(always)]
fn reinterpret_u8_u32x16(self, a: u32x16<Self>) -> u8x64<Self> {
let (a0, a1) = self.split_u32x16(a);
self.combine_u8x32(self.reinterpret_u8_u32x8(a0), self.reinterpret_u8_u32x8(a1))
Expand Down
Loading