Fuzz multiple targets in cranelift-icache (#5482)
Fuzz additional targets in the cranelift-icache target. The list of targets fuzzed is controlled by the targets enabled in fuzz/Cargo.toml. This PR also reworks how instruction disabling is done in function generator, moving the deny-list to a function to make the decision at runtime instead of compile time.
This commit is contained in:
Trevor Elliott
@@ -17,6 +17,7 @@ use cranelift::prelude::{
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};
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use std::collections::HashMap;
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use std::ops::RangeInclusive;
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use target_lexicon::{Architecture, Triple};
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/// Generates a Vec with `len` elements comprised of `options`
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fn arbitrary_vec<T: Clone>(
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@@ -144,10 +145,15 @@ fn insert_cmp(
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let rhs = builder.use_var(rhs);
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let res = if opcode == Opcode::Fcmp {
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let cc = *fgen.u.choose(FloatCC::all())?;
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// Some FloatCC's are not implemented on AArch64, see:
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// https://github.com/bytecodealliance/wasmtime/issues/4850
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let float_cc = if cfg!(target_arch = "aarch64") {
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&[
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// We filter out condition codes that aren't supported by the target at
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// this point after randomly choosing one, instead of randomly choosing a
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// supported one, to avoid invalidating the corpus when these get implemented.
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if matches!(fgen.target_triple.architecture, Architecture::Aarch64(_))
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&& ![
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FloatCC::Ordered,
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FloatCC::Unordered,
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FloatCC::Equal,
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@@ -157,11 +163,11 @@ fn insert_cmp(
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FloatCC::GreaterThan,
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FloatCC::GreaterThanOrEqual,
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]
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} else {
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FloatCC::all()
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.contains(&cc)
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{
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return Err(arbitrary::Error::IncorrectFormat.into());
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};
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let cc = *fgen.u.choose(float_cc)?;
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builder.ins().fcmp(cc, lhs, rhs)
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} else {
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let cc = *fgen.u.choose(IntCC::all())?;
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@@ -251,14 +257,222 @@ type OpcodeInserter = fn(
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&'static [Type],
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) -> Result<()>;
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// TODO: Derive this from the `cranelift-meta` generator.
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#[rustfmt::skip]
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const OPCODE_SIGNATURES: &'static [(
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/// Returns true if we believe this `OpcodeSignature` should compile correctly
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/// for the given target triple. We currently have a range of known issues
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/// with specific lowerings on specific backends, and we don't want to get
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/// fuzz bug reports for those. Over time our goal is to eliminate all of these
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/// exceptions.
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fn valid_for_target(triple: &Triple, op: Opcode, args: &[Type], rets: &[Type]) -> bool {
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macro_rules! exceptions {
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( $(($($cases:pat),*)),* $(,)?) => {
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match (op, args, rets) {
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$( ($($cases,)* ..) => false, )*
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_ => true,
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}
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}
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}
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match triple.architecture {
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Architecture::X86_64 => {
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exceptions!(
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(Opcode::IaddCout, &[I8, I8]),
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(Opcode::IaddCout, &[I16, I16]),
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(Opcode::IaddCout, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/5468
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(Opcode::Smulhi, &[I8, I8]),
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// https://github.com/bytecodealliance/wasmtime/issues/5468
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(Opcode::Umulhi, &[I8, I8]),
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// https://github.com/bytecodealliance/wasmtime/issues/4756
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(Opcode::Udiv, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4770
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(Opcode::Sdiv, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/5474
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(Opcode::Urem, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/5470
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(Opcode::Srem, &[I8, I8]),
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// https://github.com/bytecodealliance/wasmtime/issues/5474
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(Opcode::Srem, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/5466
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(Opcode::Iabs),
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// https://github.com/bytecodealliance/wasmtime/issues/3370
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(Opcode::Smin, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/3370
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(Opcode::Umin, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/3370
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(Opcode::Smax, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/3370
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(Opcode::Umax, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4870
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(Opcode::Band, &[F32, F32]),
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(Opcode::Band, &[F64, F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/4870
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(Opcode::Bor, &[F32, F32]),
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(Opcode::Bor, &[F64, F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/4870
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(Opcode::Bxor, &[F32, F32]),
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(Opcode::Bxor, &[F64, F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/4870
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(Opcode::Bnot, &[F32, F32]),
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(Opcode::Bnot, &[F64, F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/5041
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(Opcode::BandNot, &[I8, I8]),
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(Opcode::BandNot, &[I16, I16]),
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(Opcode::BandNot, &[I32, I32]),
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(Opcode::BandNot, &[I64, I64]),
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(Opcode::BandNot, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4870
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(Opcode::BandNot, &[F32, F32]),
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(Opcode::BandNot, &[F64, F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/5041
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(Opcode::BorNot, &[I8, I8]),
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(Opcode::BorNot, &[I16, I16]),
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(Opcode::BorNot, &[I32, I32]),
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(Opcode::BorNot, &[I64, I64]),
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(Opcode::BorNot, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4870
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(Opcode::BorNot, &[F32, F32]),
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(Opcode::BorNot, &[F64, F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/5041
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(Opcode::BxorNot, &[I8, I8]),
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(Opcode::BxorNot, &[I16, I16]),
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(Opcode::BxorNot, &[I32, I32]),
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(Opcode::BxorNot, &[I64, I64]),
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(Opcode::BxorNot, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4870
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(Opcode::BxorNot, &[F32, F32]),
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(Opcode::BxorNot, &[F64, F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/5107
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(Opcode::Cls, &[I8], &[I8]),
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(Opcode::Cls, &[I16], &[I16]),
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(Opcode::Cls, &[I32], &[I32]),
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(Opcode::Cls, &[I64], &[I64]),
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(Opcode::Cls, &[I128], &[I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/5197
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(Opcode::Bitselect, &[I8, I8, I8]),
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(Opcode::Bitselect, &[I16, I16, I16]),
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(Opcode::Bitselect, &[I32, I32, I32]),
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(Opcode::Bitselect, &[I64, I64, I64]),
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(Opcode::Bitselect, &[I128, I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4897
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// https://github.com/bytecodealliance/wasmtime/issues/4899
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(Opcode::FcvtToUint, &[F32], &[I8]),
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(Opcode::FcvtToUint, &[F32], &[I16]),
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(Opcode::FcvtToUint, &[F32], &[I128]),
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(Opcode::FcvtToUint, &[F64], &[I8]),
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(Opcode::FcvtToUint, &[F64], &[I16]),
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(Opcode::FcvtToUint, &[F64], &[I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4897
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// https://github.com/bytecodealliance/wasmtime/issues/4899
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(Opcode::FcvtToUintSat, &[F32], &[I8]),
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(Opcode::FcvtToUintSat, &[F32], &[I16]),
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(Opcode::FcvtToUintSat, &[F32], &[I128]),
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(Opcode::FcvtToUintSat, &[F64], &[I8]),
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(Opcode::FcvtToUintSat, &[F64], &[I16]),
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(Opcode::FcvtToUintSat, &[F64], &[I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4897
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// https://github.com/bytecodealliance/wasmtime/issues/4899
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(Opcode::FcvtToSint, &[F32], &[I8]),
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(Opcode::FcvtToSint, &[F32], &[I16]),
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(Opcode::FcvtToSint, &[F32], &[I128]),
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(Opcode::FcvtToSint, &[F64], &[I8]),
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(Opcode::FcvtToSint, &[F64], &[I16]),
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(Opcode::FcvtToSint, &[F64], &[I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4897
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// https://github.com/bytecodealliance/wasmtime/issues/4899
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(Opcode::FcvtToSintSat, &[F32], &[I8]),
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(Opcode::FcvtToSintSat, &[F32], &[I16]),
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(Opcode::FcvtToSintSat, &[F32], &[I128]),
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(Opcode::FcvtToSintSat, &[F64], &[I8]),
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(Opcode::FcvtToSintSat, &[F64], &[I16]),
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(Opcode::FcvtToSintSat, &[F64], &[I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4900
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(Opcode::FcvtFromUint, &[I128], &[F32]),
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(Opcode::FcvtFromUint, &[I128], &[F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/4900
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(Opcode::FcvtFromSint, &[I128], &[F32]),
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(Opcode::FcvtFromSint, &[I128], &[F64]),
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)
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}
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Architecture::Aarch64(_) => {
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exceptions!(
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(Opcode::IaddCout, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4864
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(Opcode::Udiv, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4864
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(Opcode::Sdiv, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/5472
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(Opcode::Urem, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/5472
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(Opcode::Srem, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/5467
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(Opcode::Iabs, &[I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4313
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(Opcode::Smin, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4313
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(Opcode::Umin, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4313
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(Opcode::Smax, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4313
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(Opcode::Umax, &[I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4870
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(Opcode::Band, &[F32, F32]),
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(Opcode::Band, &[F64, F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/4870
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(Opcode::Bor, &[F32, F32]),
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(Opcode::Bor, &[F64, F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/4870
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(Opcode::Bxor, &[F32, F32]),
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(Opcode::Bxor, &[F64, F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/4870
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(Opcode::Bnot, &[F32, F32]),
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(Opcode::Bnot, &[F64, F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/4870
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(Opcode::BandNot, &[F32, F32]),
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(Opcode::BandNot, &[F64, F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/4870
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(Opcode::BorNot, &[F32, F32]),
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(Opcode::BorNot, &[F64, F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/4870
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(Opcode::BxorNot, &[F32, F32]),
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(Opcode::BxorNot, &[F64, F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/5198
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(Opcode::Bitselect, &[I128, I128, I128]),
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// https://github.com/bytecodealliance/wasmtime/issues/4934
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(Opcode::FcvtToUint, &[F32]),
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(Opcode::FcvtToUint, &[F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/4934
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(Opcode::FcvtToUintSat, &[F32]),
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(Opcode::FcvtToUintSat, &[F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/4934
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(Opcode::FcvtToSint, &[F32]),
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(Opcode::FcvtToSint, &[F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/4934
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(Opcode::FcvtToSintSat, &[F32]),
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(Opcode::FcvtToSintSat, &[F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/4933
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(Opcode::FcvtFromUint, &[I128], &[F32]),
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(Opcode::FcvtFromUint, &[I128], &[F64]),
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// https://github.com/bytecodealliance/wasmtime/issues/4933
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(Opcode::FcvtFromSint, &[I128], &[F32]),
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(Opcode::FcvtFromSint, &[I128], &[F64]),
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)
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}
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_ => true,
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}
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}
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type OpcodeSignature = (
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Opcode,
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&'static [Type], // Args
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&'static [Type], // Rets
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OpcodeInserter,
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)] = &[
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);
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// TODO: Derive this from the `cranelift-meta` generator.
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#[rustfmt::skip]
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const OPCODE_SIGNATURES: &[OpcodeSignature] = &[
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(Opcode::Nop, &[], &[], insert_opcode),
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// Iadd
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(Opcode::Iadd, &[I8, I8], &[I8], insert_opcode),
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@@ -267,14 +481,10 @@ const OPCODE_SIGNATURES: &'static [(
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(Opcode::Iadd, &[I64, I64], &[I64], insert_opcode),
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(Opcode::Iadd, &[I128, I128], &[I128], insert_opcode),
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// IaddCout
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// IaddCout not implemented in x64
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#[cfg(not(target_arch = "x86_64"))]
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(Opcode::IaddCout, &[I8, I8], &[I8, I8], insert_opcode),
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#[cfg(not(target_arch = "x86_64"))]
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(Opcode::IaddCout, &[I16, I16], &[I16, I8], insert_opcode),
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(Opcode::IaddCout, &[I32, I32], &[I32, I8], insert_opcode),
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(Opcode::IaddCout, &[I64, I64], &[I64, I8], insert_opcode),
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#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
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(Opcode::IaddCout, &[I128, I128], &[I128, I8], insert_opcode),
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// Isub
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(Opcode::Isub, &[I8, I8], &[I8], insert_opcode),
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@@ -289,15 +499,11 @@ const OPCODE_SIGNATURES: &'static [(
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(Opcode::Imul, &[I64, I64], &[I64], insert_opcode),
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(Opcode::Imul, &[I128, I128], &[I128], insert_opcode),
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// Smulhi
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// Not implemented on x64: https://github.com/bytecodealliance/wasmtime/issues/5468
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#[cfg(not(target_arch = "x86_64"))]
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(Opcode::Smulhi, &[I8, I8], &[I8], insert_opcode),
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(Opcode::Smulhi, &[I16, I16], &[I16], insert_opcode),
|
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(Opcode::Smulhi, &[I32, I32], &[I32], insert_opcode),
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(Opcode::Smulhi, &[I64, I64], &[I64], insert_opcode),
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// Umulhi
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// Not implemented on x64: https://github.com/bytecodealliance/wasmtime/issues/5468
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#[cfg(not(target_arch = "x86_64"))]
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(Opcode::Umulhi, &[I8, I8], &[I8], insert_opcode),
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(Opcode::Umulhi, &[I16, I16], &[I16], insert_opcode),
|
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(Opcode::Umulhi, &[I32, I32], &[I32], insert_opcode),
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@@ -307,42 +513,24 @@ const OPCODE_SIGNATURES: &'static [(
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(Opcode::Udiv, &[I16, I16], &[I16], insert_opcode),
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(Opcode::Udiv, &[I32, I32], &[I32], insert_opcode),
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(Opcode::Udiv, &[I64, I64], &[I64], insert_opcode),
|
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// udiv.i128 not implemented in some backends:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/4756
|
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// aarch64: https://github.com/bytecodealliance/wasmtime/issues/4864
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
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(Opcode::Udiv, &[I128, I128], &[I128], insert_opcode),
|
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// Sdiv
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(Opcode::Sdiv, &[I8, I8], &[I8], insert_opcode),
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(Opcode::Sdiv, &[I16, I16], &[I16], insert_opcode),
|
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(Opcode::Sdiv, &[I32, I32], &[I32], insert_opcode),
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||||
(Opcode::Sdiv, &[I64, I64], &[I64], insert_opcode),
|
||||
// sdiv.i128 not implemented in some backends:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/4770
|
||||
// aarch64: https://github.com/bytecodealliance/wasmtime/issues/4864
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Sdiv, &[I128, I128], &[I128], insert_opcode),
|
||||
// Urem
|
||||
(Opcode::Urem, &[I8, I8], &[I8], insert_opcode),
|
||||
(Opcode::Urem, &[I16, I16], &[I16], insert_opcode),
|
||||
(Opcode::Urem, &[I32, I32], &[I32], insert_opcode),
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||||
(Opcode::Urem, &[I64, I64], &[I64], insert_opcode),
|
||||
// urem.i128 not implemented in some backends:
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||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/5474
|
||||
// aarch64: https://github.com/bytecodealliance/wasmtime/issues/5472
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Urem, &[I128, I128], &[I128], insert_opcode),
|
||||
// Srem
|
||||
// Issues on x64: https://github.com/bytecodealliance/wasmtime/issues/5470
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::Srem, &[I8, I8], &[I8], insert_opcode),
|
||||
(Opcode::Srem, &[I16, I16], &[I16], insert_opcode),
|
||||
(Opcode::Srem, &[I32, I32], &[I32], insert_opcode),
|
||||
(Opcode::Srem, &[I64, I64], &[I64], insert_opcode),
|
||||
// srem.i128 not implemented in some backends:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/5474
|
||||
// aarch64: https://github.com/bytecodealliance/wasmtime/issues/5472
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Srem, &[I128, I128], &[I128], insert_opcode),
|
||||
// Ineg
|
||||
(Opcode::Ineg, &[I8, I8], &[I8], insert_opcode),
|
||||
@@ -351,58 +539,34 @@ const OPCODE_SIGNATURES: &'static [(
|
||||
(Opcode::Ineg, &[I64, I64], &[I64], insert_opcode),
|
||||
(Opcode::Ineg, &[I128, I128], &[I128], insert_opcode),
|
||||
// Iabs
|
||||
// Some variants missing:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/5466
|
||||
// aarch64: https://github.com/bytecodealliance/wasmtime/issues/5467
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::Iabs, &[I8], &[I8], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::Iabs, &[I16], &[I16], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::Iabs, &[I32], &[I32], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::Iabs, &[I64], &[I64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Iabs, &[I128], &[I128], insert_opcode),
|
||||
// Smin
|
||||
// smin.i128 is not implemented in some backends:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/3370
|
||||
// aarch64: https://github.com/bytecodealliance/wasmtime/issues/4313
|
||||
(Opcode::Smin, &[I8, I8], &[I8], insert_opcode),
|
||||
(Opcode::Smin, &[I16, I16], &[I16], insert_opcode),
|
||||
(Opcode::Smin, &[I32, I32], &[I32], insert_opcode),
|
||||
(Opcode::Smin, &[I64, I64], &[I64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Smin, &[I128, I128], &[I128], insert_opcode),
|
||||
// Umin
|
||||
// umin.i128 is not implemented in some backends:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/3370
|
||||
// aarch64: https://github.com/bytecodealliance/wasmtime/issues/4313
|
||||
(Opcode::Umin, &[I8, I8], &[I8], insert_opcode),
|
||||
(Opcode::Umin, &[I16, I16], &[I16], insert_opcode),
|
||||
(Opcode::Umin, &[I32, I32], &[I32], insert_opcode),
|
||||
(Opcode::Umin, &[I64, I64], &[I64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Umin, &[I128, I128], &[I128], insert_opcode),
|
||||
// Smax
|
||||
// smax.i128 is not implemented in some backends:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/3370
|
||||
// aarch64: https://github.com/bytecodealliance/wasmtime/issues/4313
|
||||
(Opcode::Smax, &[I8, I8], &[I8], insert_opcode),
|
||||
(Opcode::Smax, &[I16, I16], &[I16], insert_opcode),
|
||||
(Opcode::Smax, &[I32, I32], &[I32], insert_opcode),
|
||||
(Opcode::Smax, &[I64, I64], &[I64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Smax, &[I128, I128], &[I128], insert_opcode),
|
||||
// Umax
|
||||
// umax.i128 is not implemented in some backends:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/3370
|
||||
// aarch64: https://github.com/bytecodealliance/wasmtime/issues/4313
|
||||
(Opcode::Umax, &[I8, I8], &[I8], insert_opcode),
|
||||
(Opcode::Umax, &[I16, I16], &[I16], insert_opcode),
|
||||
(Opcode::Umax, &[I32, I32], &[I32], insert_opcode),
|
||||
(Opcode::Umax, &[I64, I64], &[I64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Umax, &[I128, I128], &[I128], insert_opcode),
|
||||
// Rotr
|
||||
(Opcode::Rotr, &[I8, I8], &[I8], insert_opcode),
|
||||
@@ -577,11 +741,7 @@ const OPCODE_SIGNATURES: &'static [(
|
||||
(Opcode::Band, &[I32, I32], &[I32], insert_opcode),
|
||||
(Opcode::Band, &[I64, I64], &[I64], insert_opcode),
|
||||
(Opcode::Band, &[I128, I128], &[I128], insert_opcode),
|
||||
// Float bitops are currently not supported:
|
||||
// See: https://github.com/bytecodealliance/wasmtime/issues/4870
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Band, &[F32, F32], &[F32], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Band, &[F64, F64], &[F64], insert_opcode),
|
||||
// Bor
|
||||
(Opcode::Bor, &[I8, I8], &[I8], insert_opcode),
|
||||
@@ -589,11 +749,7 @@ const OPCODE_SIGNATURES: &'static [(
|
||||
(Opcode::Bor, &[I32, I32], &[I32], insert_opcode),
|
||||
(Opcode::Bor, &[I64, I64], &[I64], insert_opcode),
|
||||
(Opcode::Bor, &[I128, I128], &[I128], insert_opcode),
|
||||
// Float bitops are currently not supported:
|
||||
// See: https://github.com/bytecodealliance/wasmtime/issues/4870
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Bor, &[F32, F32], &[F32], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Bor, &[F64, F64], &[F64], insert_opcode),
|
||||
// Bxor
|
||||
(Opcode::Bxor, &[I8, I8], &[I8], insert_opcode),
|
||||
@@ -601,11 +757,7 @@ const OPCODE_SIGNATURES: &'static [(
|
||||
(Opcode::Bxor, &[I32, I32], &[I32], insert_opcode),
|
||||
(Opcode::Bxor, &[I64, I64], &[I64], insert_opcode),
|
||||
(Opcode::Bxor, &[I128, I128], &[I128], insert_opcode),
|
||||
// Float bitops are currently not supported:
|
||||
// See: https://github.com/bytecodealliance/wasmtime/issues/4870
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Bxor, &[F32, F32], &[F32], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Bxor, &[F64, F64], &[F64], insert_opcode),
|
||||
// Bnot
|
||||
(Opcode::Bnot, &[I8, I8], &[I8], insert_opcode),
|
||||
@@ -613,65 +765,31 @@ const OPCODE_SIGNATURES: &'static [(
|
||||
(Opcode::Bnot, &[I32, I32], &[I32], insert_opcode),
|
||||
(Opcode::Bnot, &[I64, I64], &[I64], insert_opcode),
|
||||
(Opcode::Bnot, &[I128, I128], &[I128], insert_opcode),
|
||||
// Float bitops are currently not supported:
|
||||
// See: https://github.com/bytecodealliance/wasmtime/issues/4870
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Bnot, &[F32, F32], &[F32], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Bnot, &[F64, F64], &[F64], insert_opcode),
|
||||
// BandNot
|
||||
// Some Integer ops not supported on x86: https://github.com/bytecodealliance/wasmtime/issues/5041
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::BandNot, &[I8, I8], &[I8], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::BandNot, &[I16, I16], &[I16], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::BandNot, &[I32, I32], &[I32], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::BandNot, &[I64, I64], &[I64], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::BandNot, &[I128, I128], &[I128], insert_opcode),
|
||||
// Float bitops are currently not supported:
|
||||
// See: https://github.com/bytecodealliance/wasmtime/issues/4870
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::BandNot, &[F32, F32], &[F32], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::BandNot, &[F64, F64], &[F64], insert_opcode),
|
||||
// BorNot
|
||||
// Some Integer ops not supported on x86: https://github.com/bytecodealliance/wasmtime/issues/5041
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::BorNot, &[I8, I8], &[I8], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::BorNot, &[I16, I16], &[I16], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::BorNot, &[I32, I32], &[I32], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::BorNot, &[I64, I64], &[I64], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::BorNot, &[I128, I128], &[I128], insert_opcode),
|
||||
// Float bitops are currently not supported:
|
||||
// See: https://github.com/bytecodealliance/wasmtime/issues/4870
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::BorNot, &[F32, F32], &[F32], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::BorNot, &[F64, F64], &[F64], insert_opcode),
|
||||
// BxorNot
|
||||
// Some Integer ops not supported on x86: https://github.com/bytecodealliance/wasmtime/issues/5041
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::BxorNot, &[I8, I8], &[I8], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::BxorNot, &[I16, I16], &[I16], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::BxorNot, &[I32, I32], &[I32], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::BxorNot, &[I64, I64], &[I64], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::BxorNot, &[I128, I128], &[I128], insert_opcode),
|
||||
// Float bitops are currently not supported:
|
||||
// See: https://github.com/bytecodealliance/wasmtime/issues/4870
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::BxorNot, &[F32, F32], &[F32], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::BxorNot, &[F64, F64], &[F64], insert_opcode),
|
||||
// Bitrev
|
||||
(Opcode::Bitrev, &[I8], &[I8], insert_opcode),
|
||||
@@ -686,17 +804,10 @@ const OPCODE_SIGNATURES: &'static [(
|
||||
(Opcode::Clz, &[I64], &[I64], insert_opcode),
|
||||
(Opcode::Clz, &[I128], &[I128], insert_opcode),
|
||||
// Cls
|
||||
// cls not implemented in some backends:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/5107
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::Cls, &[I8], &[I8], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::Cls, &[I16], &[I16], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::Cls, &[I32], &[I32], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::Cls, &[I64], &[I64], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::Cls, &[I128], &[I128], insert_opcode),
|
||||
// Ctz
|
||||
(Opcode::Ctz, &[I8], &[I8], insert_opcode),
|
||||
@@ -742,18 +853,10 @@ const OPCODE_SIGNATURES: &'static [(
|
||||
(Opcode::Bswap, &[I64], &[I64], insert_opcode),
|
||||
(Opcode::Bswap, &[I128], &[I128], insert_opcode),
|
||||
// Bitselect
|
||||
// TODO: Some ops disabled:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/5197
|
||||
// AArch64: https://github.com/bytecodealliance/wasmtime/issues/5198
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::Bitselect, &[I8, I8, I8], &[I8], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::Bitselect, &[I16, I16, I16], &[I16], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::Bitselect, &[I32, I32, I32], &[I32], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::Bitselect, &[I64, I64, I64], &[I64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::Bitselect, &[I128, I128, I128], &[I128], insert_opcode),
|
||||
// Select
|
||||
(Opcode::Select, &[I8, I8, I8], &[I8], insert_opcode),
|
||||
@@ -863,120 +966,70 @@ const OPCODE_SIGNATURES: &'static [(
|
||||
// Fdemote
|
||||
(Opcode::Fdemote, &[F64], &[F32], insert_opcode),
|
||||
// FcvtToUint
|
||||
// TODO: Some ops disabled:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/4897
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/4899
|
||||
// aarch64: https://github.com/bytecodealliance/wasmtime/issues/4934
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToUint, &[F32], &[I8], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToUint, &[F32], &[I16], insert_opcode),
|
||||
(Opcode::FcvtToUint, &[F32], &[I32], insert_opcode),
|
||||
(Opcode::FcvtToUint, &[F32], &[I64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::FcvtToUint, &[F32], &[I128], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToUint, &[F64], &[I8], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToUint, &[F64], &[I16], insert_opcode),
|
||||
(Opcode::FcvtToUint, &[F64], &[I32], insert_opcode),
|
||||
(Opcode::FcvtToUint, &[F64], &[I64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::FcvtToUint, &[F64], &[I128], insert_opcode),
|
||||
// FcvtToUintSat
|
||||
// TODO: Some ops disabled:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/4897
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/4899
|
||||
// aarch64: https://github.com/bytecodealliance/wasmtime/issues/4934
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToUintSat, &[F32], &[I8], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToUintSat, &[F32], &[I16], insert_opcode),
|
||||
(Opcode::FcvtToUintSat, &[F32], &[I32], insert_opcode),
|
||||
(Opcode::FcvtToUintSat, &[F32], &[I64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::FcvtToUintSat, &[F32], &[I128], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToUintSat, &[F64], &[I8], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToUintSat, &[F64], &[I16], insert_opcode),
|
||||
(Opcode::FcvtToUintSat, &[F64], &[I32], insert_opcode),
|
||||
(Opcode::FcvtToUintSat, &[F64], &[I64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::FcvtToUintSat, &[F64], &[I128], insert_opcode),
|
||||
// FcvtToSint
|
||||
// TODO: Some ops disabled:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/4897
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/4899
|
||||
// aarch64: https://github.com/bytecodealliance/wasmtime/issues/4934
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToSint, &[F32], &[I8], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToSint, &[F32], &[I16], insert_opcode),
|
||||
(Opcode::FcvtToSint, &[F32], &[I32], insert_opcode),
|
||||
(Opcode::FcvtToSint, &[F32], &[I64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::FcvtToSint, &[F32], &[I128], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToSint, &[F64], &[I8], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToSint, &[F64], &[I16], insert_opcode),
|
||||
(Opcode::FcvtToSint, &[F64], &[I32], insert_opcode),
|
||||
(Opcode::FcvtToSint, &[F64], &[I64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::FcvtToSint, &[F64], &[I128], insert_opcode),
|
||||
// FcvtToSintSat
|
||||
// TODO: Some ops disabled:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/4897
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/4899
|
||||
// aarch64: https://github.com/bytecodealliance/wasmtime/issues/4934
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToSintSat, &[F32], &[I8], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToSintSat, &[F32], &[I16], insert_opcode),
|
||||
(Opcode::FcvtToSintSat, &[F32], &[I32], insert_opcode),
|
||||
(Opcode::FcvtToSintSat, &[F32], &[I64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::FcvtToSintSat, &[F32], &[I128], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToSintSat, &[F64], &[I8], insert_opcode),
|
||||
#[cfg(not(target_arch = "x86_64"))]
|
||||
(Opcode::FcvtToSintSat, &[F64], &[I16], insert_opcode),
|
||||
(Opcode::FcvtToSintSat, &[F64], &[I32], insert_opcode),
|
||||
(Opcode::FcvtToSintSat, &[F64], &[I64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::FcvtToSintSat, &[F64], &[I128], insert_opcode),
|
||||
// FcvtFromUint
|
||||
// TODO: Some ops disabled:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/4900
|
||||
// aarch64: https://github.com/bytecodealliance/wasmtime/issues/4933
|
||||
(Opcode::FcvtFromUint, &[I8], &[F32], insert_opcode),
|
||||
(Opcode::FcvtFromUint, &[I16], &[F32], insert_opcode),
|
||||
(Opcode::FcvtFromUint, &[I32], &[F32], insert_opcode),
|
||||
(Opcode::FcvtFromUint, &[I64], &[F32], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::FcvtFromUint, &[I128], &[F32], insert_opcode),
|
||||
(Opcode::FcvtFromUint, &[I8], &[F64], insert_opcode),
|
||||
(Opcode::FcvtFromUint, &[I16], &[F64], insert_opcode),
|
||||
(Opcode::FcvtFromUint, &[I32], &[F64], insert_opcode),
|
||||
(Opcode::FcvtFromUint, &[I64], &[F64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::FcvtFromUint, &[I128], &[F64], insert_opcode),
|
||||
// FcvtFromSint
|
||||
// TODO: Some ops disabled:
|
||||
// x64: https://github.com/bytecodealliance/wasmtime/issues/4900
|
||||
// aarch64: https://github.com/bytecodealliance/wasmtime/issues/4933
|
||||
(Opcode::FcvtFromSint, &[I8], &[F32], insert_opcode),
|
||||
(Opcode::FcvtFromSint, &[I16], &[F32], insert_opcode),
|
||||
(Opcode::FcvtFromSint, &[I32], &[F32], insert_opcode),
|
||||
(Opcode::FcvtFromSint, &[I64], &[F32], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::FcvtFromSint, &[I128], &[F32], insert_opcode),
|
||||
(Opcode::FcvtFromSint, &[I8], &[F64], insert_opcode),
|
||||
(Opcode::FcvtFromSint, &[I16], &[F64], insert_opcode),
|
||||
(Opcode::FcvtFromSint, &[I32], &[F64], insert_opcode),
|
||||
(Opcode::FcvtFromSint, &[I64], &[F64], insert_opcode),
|
||||
#[cfg(not(any(target_arch = "x86_64", target_arch = "aarch64")))]
|
||||
(Opcode::FcvtFromSint, &[I128], &[F64], insert_opcode),
|
||||
// Fcmp
|
||||
(Opcode::Fcmp, &[F32, F32], &[I8], insert_cmp),
|
||||
@@ -1075,6 +1128,7 @@ where
|
||||
u: &'r mut Unstructured<'data>,
|
||||
config: &'r Config,
|
||||
resources: Resources,
|
||||
target_triple: Triple,
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone)]
|
||||
@@ -1137,11 +1191,12 @@ impl<'r, 'data> FunctionGenerator<'r, 'data>
|
||||
where
|
||||
'data: 'r,
|
||||
{
|
||||
pub fn new(u: &'r mut Unstructured<'data>, config: &'r Config) -> Self {
|
||||
pub fn new(u: &'r mut Unstructured<'data>, config: &'r Config, target_triple: Triple) -> Self {
|
||||
Self {
|
||||
u,
|
||||
config,
|
||||
resources: Resources::default(),
|
||||
target_triple,
|
||||
}
|
||||
}
|
||||
|
||||
@@ -1396,6 +1451,14 @@ where
|
||||
fn generate_instructions(&mut self, builder: &mut FunctionBuilder) -> Result<()> {
|
||||
for _ in 0..self.param(&self.config.instructions_per_block)? {
|
||||
let (op, args, rets, inserter) = *self.u.choose(OPCODE_SIGNATURES)?;
|
||||
|
||||
// We filter out instructions that aren't supported by the target at this point instead
|
||||
// of building a single vector of valid instructions at the beginning of function
|
||||
// generation, to avoid invalidating the corpus when instructions are enabled/disabled.
|
||||
if !valid_for_target(&self.target_triple, op, args, rets) {
|
||||
return Err(arbitrary::Error::IncorrectFormat.into());
|
||||
}
|
||||
|
||||
inserter(self, builder, op, args, rets)?;
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user