Delete ROUND JIT helpers that are no longer used (#105656)

jkotas · pull[bot] · commit f0e4c8fa7eaa · 2024-10-31T14:14:41.000Z
diff --git a/src/coreclr/inc/corinfo.h b/src/coreclr/inc/corinfo.h
@@ -348,8 +348,6 @@ enum CorInfoHelpFunc
     CORINFO_HELP_DBL2ULNG_OVF,
     CORINFO_HELP_FLTREM,
     CORINFO_HELP_DBLREM,
-    CORINFO_HELP_FLTROUND,              // unused, remove once MINIMUM_READYTORUN_MAJOR_VERSION > 9
-    CORINFO_HELP_DBLROUND,              // unused, remove once MINIMUM_READYTORUN_MAJOR_VERSION > 9
 
     /* Allocating a new object. Always use ICorClassInfo::getNewHelper() to decide
        which is the right helper to use to allocate an object of a given type. */
diff --git a/src/coreclr/inc/jiteeversionguid.h b/src/coreclr/inc/jiteeversionguid.h
@@ -43,11 +43,11 @@ typedef const GUID *LPCGUID;
 #define GUID_DEFINED
 #endif // !GUID_DEFINED
 
-constexpr GUID JITEEVersionIdentifier = { /* e770e8ad-50d5-4511-a435-a3ed3a847a47 */
-    0xe770e8ad,
-    0x50d5,
-    0x4511,
-    {0xa4, 0x35, 0xa3, 0xed, 0x3a, 0x84, 0x7a, 0x47}
+constexpr GUID JITEEVersionIdentifier = { /* 4f0e8e22-e2e9-4a80-b140-37bbb6e68bca */
+    0x4f0e8e22,
+    0xe2e9,
+    0x4a80,
+    {0xb1, 0x40, 0x37, 0xbb, 0xb6, 0xe6, 0x8b, 0xca}
   };
 
 //////////////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/coreclr/inc/jithelpers.h b/src/coreclr/inc/jithelpers.h
@@ -65,8 +65,6 @@
     DYNAMICJITHELPER(CORINFO_HELP_DBL2ULNG_OVF, NULL,               CORINFO_HELP_SIG_8_STACK)
     JITHELPER(CORINFO_HELP_FLTREM,              JIT_FltRem,         CORINFO_HELP_SIG_8_STACK)
     JITHELPER(CORINFO_HELP_DBLREM,              JIT_DblRem,         CORINFO_HELP_SIG_16_STACK)
-    DYNAMICJITHELPER(CORINFO_HELP_FLTROUND,     NULL,               CORINFO_HELP_SIG_8_STACK)
-    DYNAMICJITHELPER(CORINFO_HELP_DBLROUND,     NULL,               CORINFO_HELP_SIG_16_STACK)
 
     // Allocating a new object
     JITHELPER(CORINFO_HELP_NEWFAST,                     JIT_New,    CORINFO_HELP_SIG_REG_ONLY)
diff --git a/src/coreclr/inc/readytorun.h b/src/coreclr/inc/readytorun.h
@@ -408,9 +408,7 @@ enum ReadyToRunHelper
     READYTORUN_HELPER_DblRem                    = 0xE0,
     READYTORUN_HELPER_FltRem                    = 0xE1,
 
-    // These two helpers can be removed once MINIMUM_READYTORUN_MAJOR_VERSION is 10+
-    // alongside the CORINFO_HELP_FLTROUND/CORINFO_HELP_DBLROUND
-    // counterparts and all related code.
+    // Unused since READYTORUN_MAJOR_VERSION 10.0
     READYTORUN_HELPER_DblRound                  = 0xE2,
     READYTORUN_HELPER_FltRound                  = 0xE3,
 
diff --git a/src/coreclr/inc/readytorunhelpers.h b/src/coreclr/inc/readytorunhelpers.h
@@ -91,8 +91,6 @@ HELPER(READYTORUN_HELPER_Dbl2ULngOvf,               CORINFO_HELP_DBL2ULNG_OVF,
 
 HELPER(READYTORUN_HELPER_FltRem,                    CORINFO_HELP_FLTREM,                            )
 HELPER(READYTORUN_HELPER_DblRem,                    CORINFO_HELP_DBLREM,                            )
-HELPER(READYTORUN_HELPER_FltRound,                  CORINFO_HELP_FLTROUND,                          )
-HELPER(READYTORUN_HELPER_DblRound,                  CORINFO_HELP_DBLROUND,                          )
 
 #ifndef TARGET_X86
 HELPER(READYTORUN_HELPER_PersonalityRoutine,        CORINFO_HELP_EE_PERSONALITY_ROUTINE,            OPTIMIZEFORSIZE)
diff --git a/src/coreclr/jit/utils.cpp b/src/coreclr/jit/utils.cpp
@@ -1539,8 +1539,6 @@ void HelperCallProperties::init()
             case CORINFO_HELP_DBL2ULNG:
             case CORINFO_HELP_FLTREM:
             case CORINFO_HELP_DBLREM:
-            case CORINFO_HELP_FLTROUND:
-            case CORINFO_HELP_DBLROUND:
                 isPure  = true;
                 noThrow = true;
                 break;
diff --git a/src/coreclr/tools/Common/JitInterface/CorInfoHelpFunc.cs b/src/coreclr/tools/Common/JitInterface/CorInfoHelpFunc.cs
@@ -40,8 +40,6 @@ public enum CorInfoHelpFunc
         CORINFO_HELP_DBL2ULNG_OVF,
         CORINFO_HELP_FLTREM,
         CORINFO_HELP_DBLREM,
-        CORINFO_HELP_FLTROUND,
-        CORINFO_HELP_DBLROUND,
 
         /* Allocating a new object. Always use ICorClassInfo::getNewHelper() to decide
            which is the right helper to use to allocate an object of a given type. */
diff --git a/src/coreclr/tools/aot/ILCompiler.ReadyToRun/JitInterface/CorInfoImpl.ReadyToRun.cs b/src/coreclr/tools/aot/ILCompiler.ReadyToRun/JitInterface/CorInfoImpl.ReadyToRun.cs
@@ -1173,12 +1173,6 @@ private ISymbolNode GetHelperFtnUncached(CorInfoHelpFunc ftnNum)
                 case CorInfoHelpFunc.CORINFO_HELP_DBLREM:
                     id = ReadyToRunHelper.DblRem;
                     break;
-                case CorInfoHelpFunc.CORINFO_HELP_FLTROUND:
-                    id = ReadyToRunHelper.FltRound;
-                    break;
-                case CorInfoHelpFunc.CORINFO_HELP_DBLROUND:
-                    id = ReadyToRunHelper.DblRound;
-                    break;
 
                 case CorInfoHelpFunc.CORINFO_HELP_CHKCASTANY:
                     id = ReadyToRunHelper.CheckCastAny;
diff --git a/src/coreclr/tools/aot/ILCompiler.RyuJit/JitInterface/CorInfoImpl.RyuJit.cs b/src/coreclr/tools/aot/ILCompiler.RyuJit/JitInterface/CorInfoImpl.RyuJit.cs
@@ -706,12 +706,6 @@ private ISymbolNode GetHelperFtnUncached(CorInfoHelpFunc ftnNum)
                 case CorInfoHelpFunc.CORINFO_HELP_DBLREM:
                     id = ReadyToRunHelper.DblRem;
                     break;
-                case CorInfoHelpFunc.CORINFO_HELP_FLTROUND:
-                    id = ReadyToRunHelper.FltRound;
-                    break;
-                case CorInfoHelpFunc.CORINFO_HELP_DBLROUND:
-                    id = ReadyToRunHelper.DblRound;
-                    break;
 
                 case CorInfoHelpFunc.CORINFO_HELP_JIT_PINVOKE_BEGIN:
                     id = ReadyToRunHelper.PInvokeBegin;
diff --git a/src/coreclr/vm/corelib.h b/src/coreclr/vm/corelib.h
@@ -260,7 +260,6 @@ DEFINE_CLASS(INT128,               System,                 Int128)
 DEFINE_CLASS(UINT128,              System,                 UInt128)
 
 DEFINE_CLASS(MATH,                  System,                 Math)
-DEFINE_METHOD(MATH,                 ROUND,                  Round,                      SM_Dbl_RetDbl)
 #ifndef TARGET_64BIT
 DEFINE_METHOD(MATH,                 MULTIPLY_CHECKED_INT64, MultiplyChecked,            SM_Long_Long_RetLong)
 DEFINE_METHOD(MATH,                 MULTIPLY_CHECKED_UINT64, MultiplyChecked,           SM_ULong_ULong_RetULong)
@@ -270,9 +269,6 @@ DEFINE_METHOD(MATH,                 CONVERT_TO_UINT32_CHECKED, ConvertToUInt32Ch
 DEFINE_METHOD(MATH,                 CONVERT_TO_INT64_CHECKED, ConvertToInt64Checked,    NoSig)
 DEFINE_METHOD(MATH,                 CONVERT_TO_UINT64_CHECKED, ConvertToUInt64Checked,  NoSig)
 
-DEFINE_CLASS(MATHF,                 System,                 MathF)
-DEFINE_METHOD(MATHF,                ROUND,                  Round,                      SM_Flt_RetFlt)
-
 DEFINE_CLASS(DYNAMICMETHOD,         ReflectionEmit,         DynamicMethod)
 
 DEFINE_CLASS(DYNAMICRESOLVER,       ReflectionEmit,         DynamicResolver)
diff --git a/src/coreclr/vm/ecall.cpp b/src/coreclr/vm/ecall.cpp
@@ -186,14 +186,6 @@ void ECall::PopulateManagedHelpers()
     pMD = CoreLibBinder::GetMethod((BinderMethodID)(METHOD__MATH__CONVERT_TO_UINT64_CHECKED));
     pDest = pMD->GetMultiCallableAddrOfCode();
     SetJitHelperFunction(CORINFO_HELP_DBL2ULNG_OVF, pDest);
-
-    pMD = CoreLibBinder::GetMethod((BinderMethodID)(METHOD__MATH__ROUND));
-    pDest = pMD->GetMultiCallableAddrOfCode();
-    SetJitHelperFunction(CORINFO_HELP_DBLROUND, pDest);
-
-    pMD = CoreLibBinder::GetMethod((BinderMethodID)(METHOD__MATHF__ROUND));
-    pDest = pMD->GetMultiCallableAddrOfCode();
-    SetJitHelperFunction(CORINFO_HELP_FLTROUND, pDest);
 }
 
 static CrstStatic gFCallLock;
diff --git a/src/coreclr/vm/metasig.h b/src/coreclr/vm/metasig.h
@@ -256,8 +256,6 @@ DEFINE_METASIG(SM(PtrVoid_Obj_RetRefByte, P(v) j, r(b)))
 DEFINE_METASIG_T(SM(ICustomMarshaler_RefObj_PtrIntPtr_RetVoid, C(ICUSTOM_MARSHALER) r(j) P(I), v))
 DEFINE_METASIG_T(SM(IntPtr_RetICustomMarshaler, I, C(ICUSTOM_MARSHALER)))
 
-DEFINE_METASIG(SM(Flt_RetFlt, f, f))
-DEFINE_METASIG(SM(Dbl_RetDbl, d, d))
 DEFINE_METASIG(SM(RefDbl_Dbl_RetDbl, r(d) d, d))
 DEFINE_METASIG(SM(RefDbl_Dbl_Dbl_RetDbl, r(d) d d, d))
 DEFINE_METASIG(SM(Long_Long_RetLong, l l, l))
