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x64: clean up <code>br_if(op(a, b))</code> codegen

craneliftIssues related to the Cranelift code generatorIssues related to the Cranelift code generator

cranelift:area:x64Issues related to x64 codegenIssues related to x64 codegen

cranelift:goal:optimize-speedFocus area: the speed of the code produced by Cranelift.Focus area: the speed of the code produced by Cranelift.

Status: Open.

#11125 In bytecodealliance/wasmtime;

· fitzgen opened on Jun 24, 2025

cranelift: stack-switching support

craneliftIssues related to the Cranelift code generatorIssues related to the Cranelift code generator

cranelift:area:x64Issues related to x64 codegenIssues related to x64 codegen

wasmtime:apiRelated to the API of the `wasmtime` crate itselfRelated to the API of the `wasmtime` crate itself

Status: Open (in progress).

bytecodealliance/wasmtimenumber 11003

#11003 In bytecodealliance/wasmtime;

· posborne opened on Jun 10, 2025

x64 Assembler: Refactor <code>Location</code> to distinguish name/kind

cranelift:area:x64Issues related to x64 codegenIssues related to x64 codegen

Status: Open.

#10922 In bytecodealliance/wasmtime;

· alexcrichton opened on Jun 4, 2025

x64: refactor the representation of <code>*Mem</code> and <code>*MemImm</code>

craneliftIssues related to the Cranelift code generatorIssues related to the Cranelift code generator

cranelift:area:x64Issues related to x64 codegenIssues related to x64 codegen

Status: Open (in progress).

bytecodealliance/wasmtimenumber 10775

#10775 In bytecodealliance/wasmtime;

· abrown opened on May 14, 2025

Support for stack switching proposal

craneliftIssues related to the Cranelift code generatorIssues related to the Cranelift code generator

cranelift:area:x64Issues related to x64 codegenIssues related to x64 codegen

fuzzingIssues related to our fuzzing infrastructureIssues related to our fuzzing infrastructure

wasmtime:apiRelated to the API of the `wasmtime` crate itselfRelated to the API of the `wasmtime` crate itself

wasmtime:c-apiIssues pertaining to the C API.Issues pertaining to the C API.

wasmtime:configIssues related to the configuration of WasmtimeIssues related to the configuration of Wasmtime

wasmtime:ref-typesIssues related to reference types and GC in WasmtimeIssues related to reference types and GC in Wasmtime

Status: Draft (not ready).

bytecodealliance/wasmtimenumber 10177

#10177 In bytecodealliance/wasmtime;

· frank-emrich opened on Feb 3, 2025

refactor: remove <code>OnceLock</code>

craneliftIssues related to the Cranelift code generatorIssues related to the Cranelift code generator

cranelift:area:aarch64Issues related to AArch64 backend.Issues related to AArch64 backend.

cranelift:area:machinstIssues related to instruction selection and the new MachInst backend.Issues related to instruction selection and the new MachInst backend.

cranelift:area:x64Issues related to x64 codegenIssues related to x64 codegen

Status: Draft (not ready).

bytecodealliance/wasmtimenumber 9992

#9992 In bytecodealliance/wasmtime;

· JonasKruckenberg opened on Jan 13, 2025

fix: <code>no_std</code> fix use without <code>unwind</code>

craneliftIssues related to the Cranelift code generatorIssues related to the Cranelift code generator

cranelift:area:machinstIssues related to instruction selection and the new MachInst backend.Issues related to instruction selection and the new MachInst backend.

cranelift:area:x64Issues related to x64 codegenIssues related to x64 codegen

Status: Open (in progress).

bytecodealliance/wasmtimenumber 9977

#9977 In bytecodealliance/wasmtime;

· JonasKruckenberg opened on Jan 10, 2025

wasmtime: Check stack limits only on exit from wasm

craneliftIssues related to the Cranelift code generatorIssues related to the Cranelift code generator

cranelift:area:aarch64Issues related to AArch64 backend.Issues related to AArch64 backend.

cranelift:area:x64Issues related to x64 codegenIssues related to x64 codegen

pulleyIssues related to the Pulley interpreterIssues related to the Pulley interpreter

wasmtime:apiRelated to the API of the `wasmtime` crate itselfRelated to the API of the `wasmtime` crate itself

Status: Open (in progress).

bytecodealliance/wasmtimenumber 9093

#9093 In bytecodealliance/wasmtime;

· jameysharp opened on Aug 8, 2024

WIP: cranelift: omit function prologue and epilogue on x64 if possible

craneliftIssues related to the Cranelift code generatorIssues related to the Cranelift code generator

cranelift:area:x64Issues related to x64 codegenIssues related to x64 codegen

Status: Draft (not ready).

bytecodealliance/wasmtimenumber 8516

#8516 In bytecodealliance/wasmtime;

· tertsdiepraam opened on May 1, 2024

refactor(cranelift-codegen): remove <code>OnceLock</code>

craneliftIssues related to the Cranelift code generatorIssues related to the Cranelift code generator

cranelift:area:aarch64Issues related to AArch64 backend.Issues related to AArch64 backend.

cranelift:area:machinstIssues related to instruction selection and the new MachInst backend.Issues related to instruction selection and the new MachInst backend.

cranelift:area:x64Issues related to x64 codegenIssues related to x64 codegen

Status: Open (in progress).

bytecodealliance/wasmtimenumber 8489

#8489 In bytecodealliance/wasmtime;

· JonasKruckenberg opened on Apr 26, 2024

cranelift/x64: Narrow <code>test</code> immediate operands

craneliftIssues related to the Cranelift code generatorIssues related to the Cranelift code generator

cranelift:area:x64Issues related to x64 codegenIssues related to x64 codegen

Status: Open (in progress).

bytecodealliance/wasmtimenumber 8421

#8421 In bytecodealliance/wasmtime;

· jameysharp opened on Apr 20, 2024

Cranelift: shrink ABIArgSlot

craneliftIssues related to the Cranelift code generatorIssues related to the Cranelift code generator

cranelift:area:aarch64Issues related to AArch64 backend.Issues related to AArch64 backend.

cranelift:area:machinstIssues related to instruction selection and the new MachInst backend.Issues related to instruction selection and the new MachInst backend.

cranelift:area:x64Issues related to x64 codegenIssues related to x64 codegen

Status: Draft (not ready).

bytecodealliance/wasmtimenumber 8163

#8163 In bytecodealliance/wasmtime;

· jameysharp opened on Mar 18, 2024