Use the FMod FCall address directly

Author: jkotas

src/coreclr/inc/jithelpers.h

@@ -63,8 +63,8 @@
     JITHELPER(CORINFO_HELP_DBL2UINT_OVF,        JIT_Dbl2UIntOvf,    CORINFO_HELP_SIG_8_STACK)
     JITHELPER(CORINFO_HELP_DBL2ULNG,            JIT_Dbl2ULng,       CORINFO_HELP_SIG_8_STACK)
     JITHELPER(CORINFO_HELP_DBL2ULNG_OVF,        JIT_Dbl2ULngOvf,    CORINFO_HELP_SIG_8_STACK)
-    DYNAMICJITHELPER(CORINFO_HELP_FLTREM,       NULL,               CORINFO_HELP_SIG_8_STACK)
-    DYNAMICJITHELPER(CORINFO_HELP_DBLREM,       NULL,               CORINFO_HELP_SIG_16_STACK)
+    JITHELPER(CORINFO_HELP_FLTREM,              COMSingle::FMod,    CORINFO_HELP_SIG_8_STACK)
+    JITHELPER(CORINFO_HELP_DBLREM,              COMDouble::FMod,    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)
 

src/coreclr/vm/corelib.h

@@ -264,11 +264,9 @@ DEFINE_CLASS(UINT128,              System,                 UInt128)
 
 DEFINE_CLASS(MATH,                  System,                 Math)
 DEFINE_METHOD(MATH,                 ROUND,                  Round,                      SM_Dbl_RetDbl)
-DEFINE_METHOD(MATH,                 FMOD,                   FMod,                       NoSig)
 
 DEFINE_CLASS(MATHF,                 System,                 MathF)
 DEFINE_METHOD(MATHF,                ROUND,                  Round,                      SM_Flt_RetFlt)
-DEFINE_METHOD(MATHF,                FMOD,                   FMod,                       NoSig)
 
 DEFINE_CLASS(DYNAMICMETHOD,         ReflectionEmit,         DynamicMethod)
 

src/coreclr/vm/ecall.cpp

@@ -157,14 +157,6 @@ void ECall::PopulateManagedHelpers()
     pDest = pMD->GetMultiCallableAddrOfCode();
     SetJitHelperFunction(CORINFO_HELP_MEMCPY, pDest);
 
-    pMD = CoreLibBinder::GetMethod((BinderMethodID)(METHOD__MATH__FMOD));
-    pDest = pMD->GetMultiCallableAddrOfCode();
-    SetJitHelperFunction(CORINFO_HELP_DBLREM, pDest);
-
-    pMD = CoreLibBinder::GetMethod((BinderMethodID)(METHOD__MATHF__FMOD));
-    pDest = pMD->GetMultiCallableAddrOfCode();
-    SetJitHelperFunction(CORINFO_HELP_FLTREM, pDest);
-
     pMD = CoreLibBinder::GetMethod((BinderMethodID)(METHOD__MATH__ROUND));
     pDest = pMD->GetMultiCallableAddrOfCode();
     SetJitHelperFunction(CORINFO_HELP_DBLROUND, pDest);

src/coreclr/vm/jithelpers.cpp

@@ -58,6 +58,9 @@
 
 #include "exinfo.h"
 
+#include "floatsingle.h"
+#include "floatdouble.h"
+
 //========================================================================
 //
 // This file contains implementation of all JIT helpers. The helpers are