100 lines
3.0 KiB
Rust
100 lines
3.0 KiB
Rust
//! This module contains the LLVM intrinsics bindings that provide the functionality for this
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//! crate.
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//!
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//! The LLVM assembly language is documented here: <https://llvm.org/docs/LangRef.html>
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/// These intrinsics aren't linked directly from LLVM and are mostly undocumented, however they are
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/// simply lowered to the matching LLVM instructions by the compiler. The associated instruction
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/// is documented alongside each intrinsic.
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extern "platform-intrinsic" {
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/// add/fadd
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pub(crate) fn simd_add<T>(x: T, y: T) -> T;
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/// sub/fsub
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pub(crate) fn simd_sub<T>(x: T, y: T) -> T;
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/// mul/fmul
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pub(crate) fn simd_mul<T>(x: T, y: T) -> T;
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/// udiv/sdiv/fdiv
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pub(crate) fn simd_div<T>(x: T, y: T) -> T;
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/// urem/srem/frem
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pub(crate) fn simd_rem<T>(x: T, y: T) -> T;
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/// shl
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pub(crate) fn simd_shl<T>(x: T, y: T) -> T;
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/// lshr/ashr
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pub(crate) fn simd_shr<T>(x: T, y: T) -> T;
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/// and
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pub(crate) fn simd_and<T>(x: T, y: T) -> T;
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/// or
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pub(crate) fn simd_or<T>(x: T, y: T) -> T;
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/// xor
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pub(crate) fn simd_xor<T>(x: T, y: T) -> T;
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/// fptoui/fptosi/uitofp/sitofp
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pub(crate) fn simd_cast<T, U>(x: T) -> U;
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/// neg/fneg
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pub(crate) fn simd_neg<T>(x: T) -> T;
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/// fabs
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pub(crate) fn simd_fabs<T>(x: T) -> T;
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pub(crate) fn simd_eq<T, U>(x: T, y: T) -> U;
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pub(crate) fn simd_ne<T, U>(x: T, y: T) -> U;
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pub(crate) fn simd_lt<T, U>(x: T, y: T) -> U;
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pub(crate) fn simd_le<T, U>(x: T, y: T) -> U;
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pub(crate) fn simd_gt<T, U>(x: T, y: T) -> U;
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pub(crate) fn simd_ge<T, U>(x: T, y: T) -> U;
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// shufflevector
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pub(crate) fn simd_shuffle2<T, U>(x: T, y: T, idx: [u32; 2]) -> U;
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pub(crate) fn simd_shuffle4<T, U>(x: T, y: T, idx: [u32; 4]) -> U;
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pub(crate) fn simd_shuffle8<T, U>(x: T, y: T, idx: [u32; 8]) -> U;
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pub(crate) fn simd_shuffle16<T, U>(x: T, y: T, idx: [u32; 16]) -> U;
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pub(crate) fn simd_shuffle32<T, U>(x: T, y: T, idx: [u32; 32]) -> U;
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// {s,u}add.sat
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pub(crate) fn simd_saturating_add<T>(x: T, y: T) -> T;
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// {s,u}sub.sat
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pub(crate) fn simd_saturating_sub<T>(x: T, y: T) -> T;
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// reductions
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pub(crate) fn simd_reduce_add_ordered<T, U>(x: T, y: U) -> U;
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pub(crate) fn simd_reduce_mul_ordered<T, U>(x: T, y: U) -> U;
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pub(crate) fn simd_reduce_all<T>(x: T) -> bool;
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pub(crate) fn simd_reduce_any<T>(x: T) -> bool;
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pub(crate) fn simd_reduce_max<T, U>(x: T) -> U;
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pub(crate) fn simd_reduce_min<T, U>(x: T) -> U;
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pub(crate) fn simd_reduce_and<T, U>(x: T) -> U;
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pub(crate) fn simd_reduce_or<T, U>(x: T) -> U;
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pub(crate) fn simd_reduce_xor<T, U>(x: T) -> U;
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}
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#[cfg(feature = "std")]
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mod std {
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extern "platform-intrinsic" {
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// ceil
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pub(crate) fn simd_ceil<T>(x: T) -> T;
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// floor
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pub(crate) fn simd_floor<T>(x: T) -> T;
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// round
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pub(crate) fn simd_round<T>(x: T) -> T;
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// trunc
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pub(crate) fn simd_trunc<T>(x: T) -> T;
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}
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}
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#[cfg(feature = "std")]
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pub(crate) use crate::intrinsics::std::*;
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