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Document simd stuff in intrinsics.odin

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gingerBill
2022-05-25 23:40:59 +01:00
parent 7002c94a63
commit 12d19d21c4
2 changed files with 61 additions and 0 deletions
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54
core/intrinsics/intrinsics.odin
View File

@@ -186,6 +186,60 @@ type_hasher_proc :: proc($T: typeid) -> (hasher: proc "contextless" (data: rawpt
constant_utf16_cstring :: proc($literal: string) -> [^]u16 ---
// SIMD related
simd_add :: proc(a, b: #simd[N]T) -> #simd[N]T ---
simd_sub :: proc(a, b: #simd[N]T) -> #simd[N]T ---
simd_mul :: proc(a, b: #simd[N]T) -> #simd[N]T ---
simd_div :: proc(a, b: #simd[N]T) -> #simd[N]T ---
simd_rem :: proc(a, b: #simd[N]T) -> #simd[N]T ---
// Keeps Odin's Behaviour
// (x << y) if y <= mask else 0
simd_shl :: proc(a: #simd[N]T, b: #simd[N]Unsigned_Integer) -> #simd[N]T ---
simd_shr :: proc(a: #simd[N]T, b: #simd[N]Unsigned_Integer) -> #simd[N]T ---
// Similar to C's Behaviour
// x << (y & mask)
simd_shl_masked :: proc(a: #simd[N]T, b: #simd[N]Unsigned_Integer) -> #simd[N]T ---
simd_shr_masked :: proc(a: #simd[N]T, b: #simd[N]Unsigned_Integer) -> #simd[N]T ---
simd_and :: proc(a, b: #simd[N]T) -> #simd[N]T ---
simd_or :: proc(a, b: #simd[N]T) -> #simd[N]T ---
simd_xor :: proc(a, b: #simd[N]T) -> #simd[N]T ---
simd_neg :: proc(a: #simd[N]T) -> #simd[N]T ---
simd_abs :: proc(a: #simd[N]T) -> #simd[N]T ---
simd_min :: proc(a, b: #simd[N]T) -> #simd[N]T ---
simd_max :: proc(a, b: #simd[N]T) -> #simd[N]T ---
// Return an unsigned integer of the same size as the input type
// NOT A BOOLEAN
// element-wise:
// false => 0x00...00
// true => 0xff...ff
simd_eq :: proc(a, b: #simd[N]T) -> #simd[N]Integer ---
simd_ne :: proc(a, b: #simd[N]T) -> #simd[N]Integer ---
simd_lt :: proc(a, b: #simd[N]T) -> #simd[N]Integer ---
simd_le :: proc(a, b: #simd[N]T) -> #simd[N]Integer ---
simd_gt :: proc(a, b: #simd[N]T) -> #simd[N]Integer ---
simd_ge :: proc(a, b: #simd[N]T) -> #simd[N]Integer ---
simd_extract :: proc(a: #simd[N]T, idx: uint) -> T ---
simd_replace :: proc(a: #simd[N]T, idx: uint, elem: T) -> #simd[N]T ---
simd_reduce_add_ordered :: proc(a: #simd[N]T) -> T ---
simd_reduce_mul_ordered :: proc(a: #simd[N]T) -> T ---
simd_reduce_min :: proc(a: #simd[N]T) -> T ---
simd_reduce_max :: proc(a: #simd[N]T) -> T ---
simd_reduce_and :: proc(a: #simd[N]T) -> T ---
simd_reduce_or :: proc(a: #simd[N]T) -> T ---
simd_reduce_xor :: proc(a: #simd[N]T) -> T ---
simd_shuffle :: proc(a, b: #simd[N]T, indices: #simd[max 2*N]u32) -> #simd[len(indices)]T ---
simd_select :: proc(cond: #simd[N]any_boolean, true, false: #simd[N]T) -> #simd[N]T ---
// WASM targets only
wasm_memory_grow :: proc(index, delta: uintptr) -> int ---
wasm_memory_size :: proc(index: uintptr) -> int ---

7
core/simd/simd.odin
View File

@@ -61,7 +61,9 @@ le :: intrinsics.simd_le
gt :: intrinsics.simd_gt
ge :: intrinsics.simd_ge
// extract :: proc(a: #simd[N]T, idx: uint) -> T
extract :: intrinsics.simd_extract
// replace :: proc(a: #simd[N]T, idx: uint, elem: T) -> #simd[N]T
replace :: intrinsics.simd_replace
reduce_add_ordered :: intrinsics.simd_reduce_add_ordered
@@ -72,8 +74,13 @@ reduce_and :: intrinsics.simd_reduce_and
reduce_or :: intrinsics.simd_reduce_or
reduce_xor :: intrinsics.simd_reduce_xor
// swizzle :: proc(a: #simd[N]T, indices: ..int) -> #simd[len(indices)]T
swizzle :: builtin.swizzle
// shuffle :: proc(a, b: #simd[N]T, indices: #simd[max 2*N]u32) -> #simd[len(indices)]T
shuffle :: intrinsics.simd_shuffle
// select :: proc(cond: #simd[N]any_boolean, true, false: #simd[N]T) -> #simd[N]T
select :: intrinsics.simd_select
splat :: #force_inline proc "contextless" ($T: typeid/#simd[$LANES]$E, value: E) -> T {