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Ensure that we add the broadcast and mask flags prior to computing the instruction size (#105757)

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This commit is contained in:
Tanner Gooding 2024-07-31 13:55:37 -07:00 • committed by GitHub
parent 40618ffad6
commit baa8df86a3
Signed by: github
GPG key ID: B5690EEEBB952194
3 changed files with 59 additions and 6 deletions
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9
src/coreclr/jit/emitxarch.cpp
View file

@ -7464,6 +7464,9 @@ void emitter::emitIns_R_C(
else
#endif // TARGET_X86
{
SetEvexBroadcastIfNeeded(id, instOptions);
SetEvexEmbMaskIfNeeded(id, instOptions);
sz = emitInsSizeCV(id, insCodeRM(ins));
}
@ -7478,9 +7481,6 @@ void emitter::emitIns_R_C(
}
}
SetEvexBroadcastIfNeeded(id, instOptions);
SetEvexEmbMaskIfNeeded(id, instOptions);
id->idCodeSize(sz);
id->idAddr()->iiaFieldHnd = fldHnd;
@ -9296,7 +9296,6 @@ void emitter::emitIns_R_S(instruction ins, emitAttr attr, regNumber ireg, int va
}
instrDesc* id = emitNewInstr(attr);
UNATIVE_OFFSET sz;
id->idIns(ins);
id->idInsFmt(fmt);
id->idReg1(ireg);
@ -9305,7 +9304,7 @@ void emitter::emitIns_R_S(instruction ins, emitAttr attr, regNumber ireg, int va
SetEvexBroadcastIfNeeded(id, instOptions);
SetEvexEmbMaskIfNeeded(id, instOptions);
sz = emitInsSizeSV(id, insCodeRM(ins), varx, offs);
UNATIVE_OFFSET sz = emitInsSizeSV(id, insCodeRM(ins), varx, offs);
id->idCodeSize(sz);
#ifdef DEBUG
id->idDebugOnlyInfo()->idVarRefOffs = emitVarRefOffs;

46
src/tests/JIT/Regression/JitBlue/Runtime_105693/Runtime_105693.cs Normal file
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@ -0,0 +1,46 @@
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Runtime.CompilerServices;
using System.Numerics;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.X86;
using Xunit;
// Generated by Fuzzlyn v2.2 on 2024-07-29 22:32:33
// Run on X64 Linux
// Seed: 1257362736509498015-vectort,vector128,vector256,x86aes,x86avx,x86avx2,x86avx512bw,x86avx512bwvl,x86avx512cd,x86avx512cdvl,x86avx512dq,x86avx512dqvl,x86avx512f,x86avx512fvl,x86avx512fx64,x86bmi1,x86bmi1x64,x86bmi2,x86bmi2x64,x86fma,x86lzcnt,x86lzcntx64,x86pclmulqdq,x86popcnt,x86popcntx64,x86sse,x86ssex64,x86sse2,x86sse2x64,x86sse3,x86sse41,x86sse41x64,x86sse42,x86sse42x64,x86ssse3,x86x86base
// Reduced from 29.1 KiB to 0.6 KiB in 00:00:26
// Hits JIT assert in Release:
// Assertion failed 'estimatedSize >= actualSize' in 'Program:Main(Fuzzlyn.ExecutionServer.IRuntime)' during 'Emit code' (IL size 59; hash 0xade6b36b; FullOpts)
//
// File: /__w/1/s/src/coreclr/jit/emit.cpp Line: 4361
//
public class Runtime_105693
{
public static int s_2;
[Fact]
public static void TestEntryPoint()
{
if (Avx2.IsSupported)
{
var vr5 = Vector128.Create<int>(1);
var vr6 = Avx2.BroadcastScalarToVector256(vr5);
var vr7 = Avx2.Abs(vr6);
var vr8 = Vector256.CreateScalar(1U);
if (Avx.TestZ(vr7, vr8))
{
var vr9 = Vector128.CreateScalar(1f);
s_2 = Sse.ConvertToInt32(vr9);
}
else
{
s_2 = 1;
}
Assert.Equal(1, s_2);
}
}
}

8
src/tests/JIT/Regression/JitBlue/Runtime_105693/Runtime_105693.csproj Normal file
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@ -0,0 +1,8 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<Optimize>True</Optimize>
</PropertyGroup>
<ItemGroup>
<Compile Include="$(MSBuildProjectName).cs" />
</ItemGroup>
</Project>