From 58d0916d58449129e3d151567b8f3b21e7c026bb Mon Sep 17 00:00:00 2001
From: Tanner Gooding <tagoo@outlook.com>
Date: Fri, 17 Jul 2026 07:38:33 -0700
Subject: [PATCH] Update outerloop convert tests for saturating float/double
 casts

The saturating float/double -> small integral cast changes from #128604
were not reflected in JIT/IL_Conformance/Convert/TestConvertFromIntegral
and JIT/Regression/CLR-x86-JIT/V1-M10/b05617, breaking outerloop.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
---
 .../JIT/IL_Conformance/Convert/TestConvertFromIntegral.cs     | 4 ++--
 src/tests/JIT/Regression/CLR-x86-JIT/V1-M10/b05617/b05617.il  | 2 +-
 .../JIT/Regression/CLR-x86-JIT/V1-M10/b05617/b05617.ilproj    | 2 ++
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/tests/JIT/IL_Conformance/Convert/TestConvertFromIntegral.cs b/src/tests/JIT/IL_Conformance/Convert/TestConvertFromIntegral.cs
index a2f58ff0c6d452..9fd5cbfd9a5d07 100644
--- a/src/tests/JIT/IL_Conformance/Convert/TestConvertFromIntegral.cs
+++ b/src/tests/JIT/IL_Conformance/Convert/TestConvertFromIntegral.cs
@@ -702,7 +702,7 @@ static void TestConvertFromFloatToI2()
             GenerateTest<float, short>(-1F, sourceOp, convNoOvf, DontExpectException, -1);
             GenerateTest<float, short>(short.MaxValue, sourceOp, convNoOvf, DontExpectException, short.MaxValue);
             GenerateTest<float, short>(short.MinValue, sourceOp, convNoOvf, DontExpectException, short.MinValue);
-            GenerateTest<float, short>(ushort.MaxValue, sourceOp, convNoOvf, DontExpectException, -1);
+            GenerateTest<float, short>(ushort.MaxValue, sourceOp, convNoOvf, DontExpectException, 0, UnspecifiedBehaviour); // Saturates to short.MaxValue on CoreCLR, truncates on Mono (https://github.com/dotnet/runtime/issues/100368)
             GenerateTest<float, short>(ushort.MinValue, sourceOp, convNoOvf, DontExpectException, byte.MinValue);
             GenerateTest<float, short>(long.MaxValue, sourceOp, convNoOvf, DontExpectException, 0, UnspecifiedBehaviour);
             GenerateTest<float, short>(long.MinValue, sourceOp, convNoOvf, DontExpectException, 0, UnspecifiedBehaviour);
@@ -977,7 +977,7 @@ static void TestConvertFromDoubleToI2()
             GenerateTest<double, short>(-1, sourceOp, convNoOvf, DontExpectException, -1);
             GenerateTest<double, short>(short.MaxValue, sourceOp, convNoOvf, DontExpectException, short.MaxValue);
             GenerateTest<double, short>(short.MinValue, sourceOp, convNoOvf, DontExpectException, short.MinValue);
-            GenerateTest<double, short>(ushort.MaxValue, sourceOp, convNoOvf, DontExpectException, -1);
+            GenerateTest<double, short>(ushort.MaxValue, sourceOp, convNoOvf, DontExpectException, 0, UnspecifiedBehaviour); // Saturates to short.MaxValue on CoreCLR, truncates on Mono (https://github.com/dotnet/runtime/issues/100368)
             GenerateTest<double, short>(ushort.MinValue, sourceOp, convNoOvf, DontExpectException, byte.MinValue);
             GenerateTest<double, short>(long.MaxValue, sourceOp, convNoOvf, DontExpectException, 0, UnspecifiedBehaviour);
             GenerateTest<double, short>(long.MinValue, sourceOp, convNoOvf, DontExpectException, 0, UnspecifiedBehaviour);
diff --git a/src/tests/JIT/Regression/CLR-x86-JIT/V1-M10/b05617/b05617.il b/src/tests/JIT/Regression/CLR-x86-JIT/V1-M10/b05617/b05617.il
index 193d3a90db79ad..8a4d3333ce6cf2 100644
--- a/src/tests/JIT/Regression/CLR-x86-JIT/V1-M10/b05617/b05617.il
+++ b/src/tests/JIT/Regression/CLR-x86-JIT/V1-M10/b05617/b05617.il
@@ -40,7 +40,7 @@ stloc.0
  sub
  sub
  or
-ldc.i8 4294967086
+ldc.i8 4294967043
 conv.u4
 sub
 
diff --git a/src/tests/JIT/Regression/CLR-x86-JIT/V1-M10/b05617/b05617.ilproj b/src/tests/JIT/Regression/CLR-x86-JIT/V1-M10/b05617/b05617.ilproj
index 7c7ed9f1abff72..8001c67d8a8727 100644
--- a/src/tests/JIT/Regression/CLR-x86-JIT/V1-M10/b05617/b05617.ilproj
+++ b/src/tests/JIT/Regression/CLR-x86-JIT/V1-M10/b05617/b05617.ilproj
@@ -1,6 +1,8 @@
 <Project Sdk="Microsoft.NET.Sdk.IL">
   <PropertyGroup>
     <CLRTestPriority>1</CLRTestPriority>
+    <!-- Saturating float->small casts on CoreCLR; Mono still truncates (https://github.com/dotnet/runtime/issues/100368) -->
+    <CLRTestTargetUnsupported Condition="'$(RuntimeFlavor)' == 'mono'">true</CLRTestTargetUnsupported>
   </PropertyGroup>
   <PropertyGroup>
     <DebugType>PdbOnly</DebugType>