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Merged
folkertdev merged 3 commits into from
May 7, 2026
+373 −265
Merged

Some more changes in stdarch-gen-arm #2105

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ec40556
gen-arm: change defn of `vabdl_high_u{8,16,32}`
davidtwco Apr 20, 2026
b203d65
gen-arm: write `vtbl{1,2,3,4}` in terms of `vqtbl`
davidtwco Apr 29, 2026
8f84a30
gen-arm: write `vtbx{1,2,3,4}` in terms of `vqtbx`
davidtwco Apr 30, 2026
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153 changes: 79 additions & 74 deletions crates/core_arch/src/aarch64/neon/generated.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -268,19 +268,6 @@ pub fn vabdl_high_s8(a: int8x16_t, b: int8x16_t) -> int16x8_t {
}
}
#[doc = "Unsigned Absolute difference Long"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vabdl_high_u8)"]
#[inline]
#[target_feature(enable = "neon")]
#[stable(feature = "neon_intrinsics", since = "1.59.0")]
#[cfg_attr(all(test, target_endian = "little"), assert_instr(uabdl2))]
pub fn vabdl_high_u8(a: uint8x16_t, b: uint8x16_t) -> uint16x8_t {
unsafe {
let c: uint8x8_t = simd_shuffle!(a, a, [8, 9, 10, 11, 12, 13, 14, 15]);
let d: uint8x8_t = simd_shuffle!(b, b, [8, 9, 10, 11, 12, 13, 14, 15]);
simd_cast(vabd_u8(c, d))
}
}
#[doc = "Unsigned Absolute difference Long"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vabdl_high_u16)"]
#[inline]
#[target_feature(enable = "neon")]
Expand All @@ -306,6 +293,19 @@ pub fn vabdl_high_u32(a: uint32x4_t, b: uint32x4_t) -> uint64x2_t {
simd_cast(vabd_u32(c, d))
}
}
#[doc = "Unsigned Absolute difference Long"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vabdl_high_u8)"]
#[inline]
#[target_feature(enable = "neon")]
#[stable(feature = "neon_intrinsics", since = "1.59.0")]
#[cfg_attr(all(test, target_endian = "little"), assert_instr(uabdl2))]
pub fn vabdl_high_u8(a: uint8x16_t, b: uint8x16_t) -> uint16x8_t {
unsafe {
let c: uint8x8_t = simd_shuffle!(a, a, [8, 9, 10, 11, 12, 13, 14, 15]);
let d: uint8x8_t = simd_shuffle!(b, b, [8, 9, 10, 11, 12, 13, 14, 15]);
simd_cast(vabd_u8(c, d))
}
}
#[doc = "Floating-point absolute value"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vabs_f64)"]
#[inline]
Expand Down Expand Up @@ -25952,7 +25952,7 @@ pub fn vtbl1_p8(a: poly8x8_t, b: uint8x8_t) -> poly8x8_t {
#[cfg_attr(test, assert_instr(tbl))]
#[stable(feature = "neon_intrinsics", since = "1.59.0")]
pub fn vtbl2_s8(a: int8x8x2_t, b: int8x8_t) -> int8x8_t {
unsafe { vqtbl1(transmute(vcombine_s8(a.0, a.1)), transmute(b)) }
vqtbl1_s8(vcombine_s8(a.0, a.1), vreinterpret_u8_s8(b))
}
#[doc = "Table look-up"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vtbl2_u8)"]
Expand All @@ -25961,7 +25961,7 @@ pub fn vtbl2_s8(a: int8x8x2_t, b: int8x8_t) -> int8x8_t {
#[cfg_attr(test, assert_instr(tbl))]
#[stable(feature = "neon_intrinsics", since = "1.59.0")]
pub fn vtbl2_u8(a: uint8x8x2_t, b: uint8x8_t) -> uint8x8_t {
unsafe { transmute(vqtbl1(transmute(vcombine_u8(a.0, a.1)), b)) }
vqtbl1_u8(vcombine_u8(a.0, a.1), b)
}
#[doc = "Table look-up"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vtbl2_p8)"]
Expand All @@ -25970,7 +25970,7 @@ pub fn vtbl2_u8(a: uint8x8x2_t, b: uint8x8_t) -> uint8x8_t {
#[cfg_attr(test, assert_instr(tbl))]
#[stable(feature = "neon_intrinsics", since = "1.59.0")]
pub fn vtbl2_p8(a: poly8x8x2_t, b: uint8x8_t) -> poly8x8_t {
unsafe { transmute(vqtbl1(transmute(vcombine_p8(a.0, a.1)), b)) }
vqtbl1_p8(vcombine_p8(a.0, a.1), b)
}
#[doc = "Table look-up"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vtbl3_s8)"]
Expand All @@ -25983,7 +25983,7 @@ pub fn vtbl3_s8(a: int8x8x3_t, b: int8x8_t) -> int8x8_t {
vcombine_s8(a.0, a.1),
vcombine_s8(a.2, unsafe { crate::mem::zeroed() }),
);
unsafe { transmute(vqtbl2(transmute(x.0), transmute(x.1), transmute(b))) }
vqtbl2_s8(x, vreinterpret_u8_s8(b))
}
#[doc = "Table look-up"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vtbl3_u8)"]
Expand All @@ -25996,7 +25996,7 @@ pub fn vtbl3_u8(a: uint8x8x3_t, b: uint8x8_t) -> uint8x8_t {
vcombine_u8(a.0, a.1),
vcombine_u8(a.2, unsafe { crate::mem::zeroed() }),
);
unsafe { transmute(vqtbl2(transmute(x.0), transmute(x.1), b)) }
vqtbl2_u8(x, b)
}
#[doc = "Table look-up"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vtbl3_p8)"]
Expand All @@ -26009,7 +26009,7 @@ pub fn vtbl3_p8(a: poly8x8x3_t, b: uint8x8_t) -> poly8x8_t {
vcombine_p8(a.0, a.1),
vcombine_p8(a.2, unsafe { crate::mem::zeroed() }),
);
unsafe { transmute(vqtbl2(transmute(x.0), transmute(x.1), b)) }
vqtbl2_p8(x, b)
}
#[doc = "Table look-up"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vtbl4_s8)"]
Expand All @@ -26019,7 +26019,7 @@ pub fn vtbl3_p8(a: poly8x8x3_t, b: uint8x8_t) -> poly8x8_t {
#[stable(feature = "neon_intrinsics", since = "1.59.0")]
pub fn vtbl4_s8(a: int8x8x4_t, b: int8x8_t) -> int8x8_t {
let x = int8x16x2_t(vcombine_s8(a.0, a.1), vcombine_s8(a.2, a.3));
unsafe { transmute(vqtbl2(transmute(x.0), transmute(x.1), transmute(b))) }
vqtbl2_s8(x, vreinterpret_u8_s8(b))
}
#[doc = "Table look-up"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vtbl4_u8)"]
Expand All @@ -26029,7 +26029,7 @@ pub fn vtbl4_s8(a: int8x8x4_t, b: int8x8_t) -> int8x8_t {
#[stable(feature = "neon_intrinsics", since = "1.59.0")]
pub fn vtbl4_u8(a: uint8x8x4_t, b: uint8x8_t) -> uint8x8_t {
let x = uint8x16x2_t(vcombine_u8(a.0, a.1), vcombine_u8(a.2, a.3));
unsafe { transmute(vqtbl2(transmute(x.0), transmute(x.1), b)) }
vqtbl2_u8(x, b)
}
#[doc = "Table look-up"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vtbl4_p8)"]
Expand All @@ -26039,7 +26039,7 @@ pub fn vtbl4_u8(a: uint8x8x4_t, b: uint8x8_t) -> uint8x8_t {
#[stable(feature = "neon_intrinsics", since = "1.59.0")]
pub fn vtbl4_p8(a: poly8x8x4_t, b: uint8x8_t) -> poly8x8_t {
let x = poly8x16x2_t(vcombine_p8(a.0, a.1), vcombine_p8(a.2, a.3));
unsafe { transmute(vqtbl2(transmute(x.0), transmute(x.1), b)) }
vqtbl2_p8(x, b)
}
#[doc = "Extended table look-up"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vtbx1_s8)"]
Expand All @@ -26051,11 +26051,11 @@ pub fn vtbx1_s8(a: int8x8_t, b: int8x8_t, c: int8x8_t) -> int8x8_t {
unsafe {
simd_select(
simd_lt::<int8x8_t, int8x8_t>(c, transmute(i8x8::splat(8))),
transmute(vqtbx1(
transmute(a),
transmute(vcombine_s8(b, crate::mem::zeroed())),
transmute(c),
)),
vqtbx1_s8(
a,
vcombine_s8(b, crate::mem::zeroed()),
vreinterpret_u8_s8(c),
),
a,
)
}
Expand All @@ -26070,11 +26070,7 @@ pub fn vtbx1_u8(a: uint8x8_t, b: uint8x8_t, c: uint8x8_t) -> uint8x8_t {
unsafe {
simd_select(
simd_lt::<uint8x8_t, int8x8_t>(c, transmute(u8x8::splat(8))),
transmute(vqtbx1(
transmute(a),
transmute(vcombine_u8(b, crate::mem::zeroed())),
c,
)),
vqtbx1_u8(a, vcombine_u8(b, crate::mem::zeroed()), c),
a,
)
}
Expand All @@ -26089,11 +26085,7 @@ pub fn vtbx1_p8(a: poly8x8_t, b: poly8x8_t, c: uint8x8_t) -> poly8x8_t {
unsafe {
simd_select(
simd_lt::<uint8x8_t, int8x8_t>(c, transmute(u8x8::splat(8))),
transmute(vqtbx1(
transmute(a),
transmute(vcombine_p8(b, crate::mem::zeroed())),
c,
)),
vqtbx1_p8(a, vcombine_p8(b, crate::mem::zeroed()), c),
a,
)
}
Expand All @@ -26105,7 +26097,13 @@ pub fn vtbx1_p8(a: poly8x8_t, b: poly8x8_t, c: uint8x8_t) -> poly8x8_t {
#[cfg_attr(test, assert_instr(tbx))]
#[stable(feature = "neon_intrinsics", since = "1.59.0")]
pub fn vtbx2_s8(a: int8x8_t, b: int8x8x2_t, c: int8x8_t) -> int8x8_t {
unsafe { vqtbx1(transmute(a), transmute(vcombine_s8(b.0, b.1)), transmute(c)) }
unsafe {
simd_select(
simd_lt::<int8x8_t, int8x8_t>(c, transmute(i8x8::splat(16))),
vqtbx1_s8(a, vcombine_s8(b.0, b.1), vreinterpret_u8_s8(c)),
a,
)
}
}
#[doc = "Extended table look-up"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vtbx2_u8)"]
Expand All @@ -26114,7 +26112,13 @@ pub fn vtbx2_s8(a: int8x8_t, b: int8x8x2_t, c: int8x8_t) -> int8x8_t {
#[cfg_attr(test, assert_instr(tbx))]
#[stable(feature = "neon_intrinsics", since = "1.59.0")]
pub fn vtbx2_u8(a: uint8x8_t, b: uint8x8x2_t, c: uint8x8_t) -> uint8x8_t {
unsafe { transmute(vqtbx1(transmute(a), transmute(vcombine_u8(b.0, b.1)), c)) }
unsafe {
simd_select(
simd_lt::<uint8x8_t, int8x8_t>(c, transmute(u8x8::splat(16))),
vqtbx1_u8(a, vcombine_u8(b.0, b.1), c),
a,
)
}
}
#[doc = "Extended table look-up"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vtbx2_p8)"]
Expand All @@ -26123,7 +26127,13 @@ pub fn vtbx2_u8(a: uint8x8_t, b: uint8x8x2_t, c: uint8x8_t) -> uint8x8_t {
#[cfg_attr(test, assert_instr(tbx))]
#[stable(feature = "neon_intrinsics", since = "1.59.0")]
pub fn vtbx2_p8(a: poly8x8_t, b: poly8x8x2_t, c: uint8x8_t) -> poly8x8_t {
unsafe { transmute(vqtbx1(transmute(a), transmute(vcombine_p8(b.0, b.1)), c)) }
unsafe {
simd_select(
simd_lt::<uint8x8_t, int8x8_t>(c, transmute(u8x8::splat(16))),
vqtbx1_p8(a, vcombine_p8(b.0, b.1), c),
a,
)
}
}
#[doc = "Extended table look-up"]
#[doc = "[Arm's documentation](https://developer.arm.com/architectures/instruction-sets/intrinsics/vtbx3_s8)"]
Expand All @@ -26137,16 +26147,11 @@ pub fn vtbx3_s8(a: int8x8_t, b: int8x8x3_t, c: int8x8_t) -> int8x8_t {
vcombine_s8(b.2, unsafe { crate::mem::zeroed() }),
);
unsafe {
transmute(simd_select(
simd_lt::<int8x8_t, int8x8_t>(transmute(c), transmute(i8x8::splat(24))),
transmute(vqtbx2(
transmute(a),
transmute(x.0),
transmute(x.1),
transmute(c),
)),
simd_select(
simd_lt::<int8x8_t, int8x8_t>(c, transmute(i8x8::splat(24))),
vqtbx2_s8(a, x, vreinterpret_u8_s8(c)),
a,
))
)
}
}
#[doc = "Extended table look-up"]
Expand All @@ -26161,11 +26166,11 @@ pub fn vtbx3_u8(a: uint8x8_t, b: uint8x8x3_t, c: uint8x8_t) -> uint8x8_t {
vcombine_u8(b.2, unsafe { crate::mem::zeroed() }),
);
unsafe {
transmute(simd_select(
simd_lt::<uint8x8_t, int8x8_t>(transmute(c), transmute(u8x8::splat(24))),
transmute(vqtbx2(transmute(a), transmute(x.0), transmute(x.1), c)),
simd_select(
simd_lt::<uint8x8_t, int8x8_t>(c, transmute(u8x8::splat(24))),
vqtbx2_u8(a, x, c),
a,
))
)
}
}
#[doc = "Extended table look-up"]
Expand All @@ -26180,11 +26185,11 @@ pub fn vtbx3_p8(a: poly8x8_t, b: poly8x8x3_t, c: uint8x8_t) -> poly8x8_t {
vcombine_p8(b.2, unsafe { crate::mem::zeroed() }),
);
unsafe {
transmute(simd_select(
simd_lt::<poly8x8_t, int8x8_t>(transmute(c), transmute(u8x8::splat(24))),
transmute(vqtbx2(transmute(a), transmute(x.0), transmute(x.1), c)),
simd_select(
simd_lt::<uint8x8_t, int8x8_t>(c, transmute(u8x8::splat(24))),
vqtbx2_p8(a, x, c),
a,
))
)
}
}
#[doc = "Extended table look-up"]
Expand All @@ -26194,12 +26199,12 @@ pub fn vtbx3_p8(a: poly8x8_t, b: poly8x8x3_t, c: uint8x8_t) -> poly8x8_t {
#[cfg_attr(test, assert_instr(tbx))]
#[stable(feature = "neon_intrinsics", since = "1.59.0")]
pub fn vtbx4_s8(a: int8x8_t, b: int8x8x4_t, c: int8x8_t) -> int8x8_t {
let x = int8x16x2_t(vcombine_s8(b.0, b.1), vcombine_s8(b.2, b.3));
unsafe {
vqtbx2(
transmute(a),
transmute(vcombine_s8(b.0, b.1)),
transmute(vcombine_s8(b.2, b.3)),
transmute(c),
simd_select(
simd_lt::<int8x8_t, int8x8_t>(c, transmute(i8x8::splat(32))),
vqtbx2_s8(a, x, vreinterpret_u8_s8(c)),
a,
)
}
}
Expand All @@ -26210,13 +26215,13 @@ pub fn vtbx4_s8(a: int8x8_t, b: int8x8x4_t, c: int8x8_t) -> int8x8_t {
#[cfg_attr(test, assert_instr(tbx))]
#[stable(feature = "neon_intrinsics", since = "1.59.0")]
pub fn vtbx4_u8(a: uint8x8_t, b: uint8x8x4_t, c: uint8x8_t) -> uint8x8_t {
let x = uint8x16x2_t(vcombine_u8(b.0, b.1), vcombine_u8(b.2, b.3));
unsafe {
transmute(vqtbx2(
transmute(a),
transmute(vcombine_u8(b.0, b.1)),
transmute(vcombine_u8(b.2, b.3)),
c,
))
simd_select(
simd_lt::<uint8x8_t, int8x8_t>(c, transmute(u8x8::splat(32))),
vqtbx2_u8(a, x, c),
a,
)
}
}
#[doc = "Extended table look-up"]
Expand All @@ -26226,13 +26231,13 @@ pub fn vtbx4_u8(a: uint8x8_t, b: uint8x8x4_t, c: uint8x8_t) -> uint8x8_t {
#[cfg_attr(test, assert_instr(tbx))]
#[stable(feature = "neon_intrinsics", since = "1.59.0")]
pub fn vtbx4_p8(a: poly8x8_t, b: poly8x8x4_t, c: uint8x8_t) -> poly8x8_t {
let x = poly8x16x2_t(vcombine_p8(b.0, b.1), vcombine_p8(b.2, b.3));
unsafe {
transmute(vqtbx2(
transmute(a),
transmute(vcombine_p8(b.0, b.1)),
transmute(vcombine_p8(b.2, b.3)),
c,
))
simd_select(
simd_lt::<uint8x8_t, int8x8_t>(c, transmute(u8x8::splat(32))),
vqtbx2_p8(a, x, c),
a,
)
}
}
#[doc = "Transpose vectors"]
Expand Down
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