Skip to content

JIT: Assertion failed 'isContainable || supportsRegOptional' during 'Generate code' #105467

@jakobbotsch

Description

@jakobbotsch
// Generated by Fuzzlyn v1.7 on 2024-07-25 11:29:20
// Run on X64 Windows
// Seed: 17281006834984098297-vectort,vector128,vector256,x86aes,x86avx,x86avx2,x86bmi1,x86bmi1x64,x86bmi2,x86bmi2x64,x86fma,x86lzcnt,x86lzcntx64,x86pclmulqdq,x86popcnt,x86popcntx64,x86sse,x86ssex64,x86sse2,x86sse2x64,x86sse3,x86sse41,x86sse41x64,x86sse42,x86sse42x64,x86ssse3,x86x86base
// Reduced from 159.4 KiB to 0.4 KiB in 00:00:57
// Hits JIT assert in Release:
// Assertion failed 'isContainable || supportsRegOptional' in 'Program:Main(Fuzzlyn.ExecutionServer.IRuntime)' during 'Generate code' (IL size 47; hash 0xade6b36b; FullOpts)
//
//     File: C:\dev\dotnet\runtime4\src\coreclr\jit\hwintrinsiccodegenxarch.cpp Line: 61
//
using System;
using System.Runtime.CompilerServices;
using System.Numerics;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.X86;

public class Program
{
    public static Vector128<float>[] s_6;
    public static void Main()
    {
        var vr3 = s_6[0];
        var vr4 = Vector128.Create<float>(0);
        s_6[0] = Sse41.Insert(vr3, vr4, 254);
    }
}

Metadata

Metadata

Assignees

Labels

Priority:2Work that is important, but not critical for the releasearea-CodeGen-coreclrCLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMIin-prThere is an active PR which will close this issue when it is merged

Type

No type

Projects

No projects

Milestone

Relationships

None yet

Development

No branches or pull requests

Issue actions