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Support count_ones etc with #simd

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This commit is contained in:
gingerBill
2022-05-26 17:48:51 +01:00
parent 7092273a8f
commit 20e7b5c88a
4 changed files with 26 additions and 12 deletions
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core/intrinsics/intrinsics.odin
+4 -4
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@@ -22,10 +22,10 @@ alloca :: proc(size, align: int) -> [^]u8 ---
cpu_relax :: proc() ---
read_cycle_counter :: proc() -> i64 ---
count_ones :: proc(x: $T) -> T where type_is_integer(T) ---
count_zeros :: proc(x: $T) -> T where type_is_integer(T) ---
count_trailing_zeros :: proc(x: $T) -> T where type_is_integer(T) ---
count_leading_zeros :: proc(x: $T) -> T where type_is_integer(T) ---
count_ones :: proc(x: $T) -> T where type_is_integer(T) || type_is_simd_vector(T) ---
count_zeros :: proc(x: $T) -> T where type_is_integer(T) || type_is_simd_vector(T) ---
count_trailing_zeros :: proc(x: $T) -> T where type_is_integer(T) || type_is_simd_vector(T) ---
count_leading_zeros :: proc(x: $T) -> T where type_is_integer(T) || type_is_simd_vector(T) ---
reverse_bits :: proc(x: $T) -> T where type_is_integer(T) ---
byte_swap :: proc(x: $T) -> T where type_is_integer(T) || type_is_float(T) ---
core/simd/simd.odin
+10 -5
View File
@@ -104,6 +104,11 @@ reverse :: intrinsics.simd_reverse
rotate_left :: intrinsics.simd_rotate_left
rotate_right :: intrinsics.simd_rotate_right
count_ones :: intrinsics.count_ones
count_zeros :: intrinsics.count_zeros
count_trailing_zeros :: intrinsics.count_trailing_zeros
count_leading_zeros :: intrinsics.count_leading_zeros
to_array_ptr :: #force_inline proc "contextless" (v: ^#simd[$LANES]$E) -> ^[LANES]E {
return (^[LANES]E)(v)
}
@@ -129,16 +134,16 @@ bit_not :: #force_inline proc "contextless" (v: $T/#simd[$LANES]$E) -> T where i
copysign :: #force_inline proc "contextless" (v, sign: $T/#simd[$LANES]$E) -> T where intrinsics.type_is_float(E) {
neg_zero := to_bits(T(-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)
sign_bit := to_bits(sign) & neg_zero
magnitude := to_bits(v) &~ neg_zero
return transmute(T)(sign_bit|magnitude)
}
signum :: #force_inline proc "contextless" (v: $T/#simd[$LANES]$E) -> T where intrinsics.type_is_float(E) {
is_nan := ne(v, v)
is_nan := lanes_ne(v, v)
return select(is_nan, v, copysign(T(1), v))
}
recip :: #force_inline proc "contextless" (v: $T/#simd[$LANES]$E) -> T where intrinsics.type_is_float(E) {
return div(T(1), v)
return T(1) / v
}