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simd.bit_not; simd.copysign

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gingerBill
2022-05-26 13:49:27 +01:00
parent 66b5a35ec3
commit 59e9df2609
1 changed files with 15 additions and 1 deletions
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16
core/simd/simd.odin
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@@ -27,7 +27,7 @@ add :: intrinsics.simd_add
sub :: intrinsics.simd_sub
mul :: intrinsics.simd_mul
div :: intrinsics.simd_div
rem :: intrinsics.simd_rem
rem :: intrinsics.simd_rem // integers only
// Keeps Odin's Behaviour
// (x << y) if y <= mask else 0
@@ -96,6 +96,8 @@ floor :: intrinsics.simd_floor
trunc :: intrinsics.simd_trunc
nearest :: intrinsics.simd_nearest
to_bits :: intrinsics.simd_to_bits
reverse :: intrinsics.simd_reverse
rotate_left :: intrinsics.simd_rotate_left
@@ -123,3 +125,15 @@ from_slice :: proc($T: typeid/#simd[$LANES]$E, slice: []E) -> T {
}
return transmute(T)array
}
bit_not :: #force_inline proc "contextless" (v: $T/#simd[$LANES]$E) -> T where intrinsics.type_is_integer(E) {
ones := splat(type_of(v), ~E(0))
return xor(v, ones)
}
copysign :: #force_inline proc "contextless" (v, sign: $T/#simd[$LANES]$E) -> T where intrinsics.type_is_float(E) {
neg_zero := to_bits(splat(T, E(-0.0)))
sign_bit := and(to_bits(sign), neg_zero)
magnitude := and(to_bits(v), bit_not(neg_zero))
return transmute(T)or(sign_bit, magnitude)
}