diff --git a/Directory.Build.props b/Directory.Build.props
index 0b45be5eca24a..e9e6fc4e36234 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -31,6 +31,7 @@
     <TargetArchitecture Condition="'$(TargetArchitecture)' == '' and '$(_hostArch)' == 'arm'">arm</TargetArchitecture>
     <TargetArchitecture Condition="'$(TargetArchitecture)' == '' and '$(_hostArch)' == 'armel'">armel</TargetArchitecture>
     <TargetArchitecture Condition="'$(TargetArchitecture)' == '' and '$(_hostArch)' == 'arm64'">arm64</TargetArchitecture>
+    <TargetArchitecture Condition="'$(TargetArchitecture)' == '' and '$(_hostArch)' == 'loongarch64'">loongarch64</TargetArchitecture>
     <TargetArchitecture Condition="'$(TargetArchitecture)' == '' and '$(_hostArch)' == 's390x'">s390x</TargetArchitecture>
     <TargetArchitecture Condition="'$(TargetArchitecture)' == '' and '$(TargetOS)' == 'Browser'">wasm</TargetArchitecture>
     <TargetArchitecture Condition="'$(TargetArchitecture)' == '' and '$(TargetsMobile)' == 'true'">x64</TargetArchitecture>
diff --git a/eng/build.sh b/eng/build.sh
index f1ef5958fdbc9..ea8e3089e95f4 100755
--- a/eng/build.sh
+++ b/eng/build.sh
@@ -17,7 +17,7 @@ scriptroot="$( cd -P "$( dirname "$source" )" && pwd )"
 usage()
 {
   echo "Common settings:"
-  echo "  --arch (-a)                     Target platform: x86, x64, arm, armel, arm64, s390x or wasm."
+  echo "  --arch (-a)                     Target platform: x86, x64, arm, armel, arm64, loongarch64, s390x or wasm."
   echo "                                  [Default: Your machine's architecture.]"
   echo "  --binaryLog (-bl)               Output binary log."
   echo "  --cross                         Optional argument to signify cross compilation."
@@ -206,12 +206,12 @@ while [[ $# > 0 ]]; do
       fi
       passedArch="$(echo "$2" | tr "[:upper:]" "[:lower:]")"
       case "$passedArch" in
-        x64|x86|arm|armel|arm64|s390x|wasm)
+        x64|x86|arm|armel|arm64|loongarch64|s390x|wasm)
           arch=$passedArch
           ;;
         *)
           echo "Unsupported target architecture '$2'."
-          echo "The allowed values are x86, x64, arm, armel, arm64, s390x, and wasm."
+          echo "The allowed values are x86, x64, arm, armel, arm64, loongarch64, s390x, and wasm."
           exit 1
           ;;
       esac
diff --git a/eng/native/build-commons.sh b/eng/native/build-commons.sh
index 8f1a746752a34..373091b13a001 100755
--- a/eng/native/build-commons.sh
+++ b/eng/native/build-commons.sh
@@ -197,7 +197,7 @@ usage()
     echo ""
     echo "Common Options:"
     echo ""
-    echo "BuildArch can be: -arm, -armel, -arm64, -s390x, x64, x86, -wasm"
+    echo "BuildArch can be: -arm, -armel, -arm64, -loongarch64, -s390x, x64, x86, -wasm"
     echo "BuildType can be: -debug, -checked, -release"
     echo "-os: target OS (defaults to running OS)"
     echo "-bindir: output directory (defaults to $__ProjectRoot/artifacts)"
@@ -377,6 +377,10 @@ while :; do
             __BuildArch=x64
             ;;
 
+        loongarch64|-loongarch64)
+            __BuildArch=loongarch64
+            ;;
+
         s390x|-s390x)
             __BuildArch=s390x
             ;;
diff --git a/eng/native/configurecompiler.cmake b/eng/native/configurecompiler.cmake
index 5a20591cc025b..fad1ac58d39c8 100644
--- a/eng/native/configurecompiler.cmake
+++ b/eng/native/configurecompiler.cmake
@@ -216,6 +216,9 @@ elseif (CLR_CMAKE_HOST_ARCH_ARM)
 elseif (CLR_CMAKE_HOST_ARCH_ARM64)
   set(ARCH_HOST_NAME arm64)
   add_definitions(-DHOST_ARM64 -DHOST_64BIT)
+elseif (CLR_CMAKE_HOST_ARCH_LOONGARCH64)
+  set(ARCH_HOST_NAME loongarch64)
+  add_definitions(-DHOST_LOONGARCH64 -DHOST_64BIT)
 elseif (CLR_CMAKE_HOST_ARCH_S390X)
   set(ARCH_HOST_NAME s390x)
   add_definitions(-DHOST_S390X -DHOST_64BIT -DBIGENDIAN)
@@ -237,6 +240,8 @@ if (CLR_CMAKE_HOST_UNIX)
       message("Detected Linux ARM")
     elseif(CLR_CMAKE_HOST_UNIX_ARM64)
       message("Detected Linux ARM64")
+    elseif(CLR_CMAKE_HOST_UNIX_LOONGARCH64)
+      message("Detected Linux LOONGARCH64")
     elseif(CLR_CMAKE_HOST_UNIX_X86)
       message("Detected Linux i686")
     elseif(CLR_CMAKE_HOST_UNIX_S390X)
@@ -301,6 +306,11 @@ elseif (CLR_CMAKE_TARGET_ARCH_I386)
     set(ARCH_SOURCES_DIR i386)
     add_compile_definitions($<$<NOT:$<BOOL:$<TARGET_PROPERTY:IGNORE_DEFAULT_TARGET_ARCH>>>:TARGET_X86>)
     add_compile_definitions($<$<NOT:$<BOOL:$<TARGET_PROPERTY:IGNORE_DEFAULT_TARGET_ARCH>>>:TARGET_32BIT>)
+elseif (CLR_CMAKE_TARGET_ARCH_LOONGARCH64)
+    set(ARCH_TARGET_NAME loongarch64)
+    set(ARCH_SOURCES_DIR loongarch64)
+    add_compile_definitions($<$<NOT:$<BOOL:$<TARGET_PROPERTY:IGNORE_DEFAULT_TARGET_ARCH>>>:TARGET_LOONGARCH64>)
+    add_compile_definitions($<$<NOT:$<BOOL:$<TARGET_PROPERTY:IGNORE_DEFAULT_TARGET_ARCH>>>:TARGET_64BIT>)
 elseif (CLR_CMAKE_TARGET_ARCH_S390X)
     set(ARCH_TARGET_NAME s390x)
     set(ARCH_SOURCES_DIR s390x)
diff --git a/eng/native/configureplatform.cmake b/eng/native/configureplatform.cmake
index f5c8abe66991a..cdf33430b49f1 100644
--- a/eng/native/configureplatform.cmake
+++ b/eng/native/configureplatform.cmake
@@ -43,6 +43,8 @@ if(CLR_CMAKE_HOST_OS STREQUAL Linux)
             set(CLR_CMAKE_HOST_UNIX_ARM 1)
         elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL aarch64 OR CMAKE_SYSTEM_PROCESSOR STREQUAL arm64)
             set(CLR_CMAKE_HOST_UNIX_ARM64 1)
+        elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL loongarch64 OR CMAKE_SYSTEM_PROCESSOR STREQUAL loongarch64)
+            set(CLR_CMAKE_HOST_UNIX_LOONGARCH64 1)
         elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL i686 OR CMAKE_SYSTEM_PROCESSOR STREQUAL x86)
             set(CLR_CMAKE_HOST_UNIX_X86 1)
         elseif(CMAKE_SYSTEM_PROCESSOR STREQUAL s390x)
@@ -218,6 +220,9 @@ if(CLR_CMAKE_HOST_UNIX_ARM)
 elseif(CLR_CMAKE_HOST_UNIX_ARM64)
     set(CLR_CMAKE_HOST_ARCH_ARM64 1)
     set(CLR_CMAKE_HOST_ARCH "arm64")
+elseif(CLR_CMAKE_HOST_UNIX_LOONGARCH64)
+    set(CLR_CMAKE_HOST_ARCH_LOONGARCH64 1)
+    set(CLR_CMAKE_HOST_ARCH "loongarch64")
 elseif(CLR_CMAKE_HOST_UNIX_AMD64)
     set(CLR_CMAKE_HOST_ARCH_AMD64 1)
     set(CLR_CMAKE_HOST_ARCH "x64")
@@ -268,6 +273,8 @@ if (CLR_CMAKE_TARGET_ARCH STREQUAL x64)
     set(CLR_CMAKE_TARGET_ARCH_I386 1)
   elseif(CLR_CMAKE_TARGET_ARCH STREQUAL arm64)
     set(CLR_CMAKE_TARGET_ARCH_ARM64 1)
+  elseif(CLR_CMAKE_TARGET_ARCH STREQUAL loongarch64)
+    set(CLR_CMAKE_TARGET_ARCH_LOONGARCH64 1)
   elseif(CLR_CMAKE_TARGET_ARCH STREQUAL arm)
     set(CLR_CMAKE_TARGET_ARCH_ARM 1)
   elseif(CLR_CMAKE_TARGET_ARCH STREQUAL armel)
@@ -374,6 +381,8 @@ if(CLR_CMAKE_TARGET_UNIX)
         set(CLR_CMAKE_TARGET_UNIX_ARM 1)
     elseif(CLR_CMAKE_TARGET_ARCH STREQUAL arm64)
         set(CLR_CMAKE_TARGET_UNIX_ARM64 1)
+    elseif(CLR_CMAKE_TARGET_ARCH STREQUAL loongarch64)
+        set(CLR_CMAKE_TARGET_UNIX_LOONGARCH64 1)
     elseif(CLR_CMAKE_TARGET_ARCH STREQUAL x86)
         set(CLR_CMAKE_TARGET_UNIX_X86 1)
     elseif(CLR_CMAKE_TARGET_ARCH STREQUAL s390x)
diff --git a/eng/native/functions.cmake b/eng/native/functions.cmake
index 87b4d15734bf6..4e68a9be01e8c 100644
--- a/eng/native/functions.cmake
+++ b/eng/native/functions.cmake
@@ -4,7 +4,7 @@ function(clr_unknown_arch)
     elseif(CLR_CROSS_COMPONENTS_BUILD)
         message(FATAL_ERROR "Only AMD64, I386 host are supported for linux cross-architecture component. Found: ${CMAKE_SYSTEM_PROCESSOR}")
     else()
-        message(FATAL_ERROR "Only AMD64, ARM64 and ARM are supported. Found: ${CMAKE_SYSTEM_PROCESSOR}")
+        message(FATAL_ERROR "Only AMD64, ARM64, LOONGARCH64 and ARM are supported. Found: ${CMAKE_SYSTEM_PROCESSOR}")
     endif()
 endfunction()
 
@@ -94,6 +94,10 @@ function(find_unwind_libs UnwindLibs)
       find_library(UNWIND_ARCH NAMES unwind-aarch64)
     endif()
 
+    if(CLR_CMAKE_HOST_ARCH_LOONGARCH64)
+      find_library(UNWIND_ARCH NAMES unwind-loongarch64)
+    endif()
+
     if(CLR_CMAKE_HOST_ARCH_AMD64)
       find_library(UNWIND_ARCH NAMES unwind-x86_64)
     endif()
diff --git a/eng/native/init-os-and-arch.sh b/eng/native/init-os-and-arch.sh
index fc4078fa3a9aa..586534be1c8aa 100644
--- a/eng/native/init-os-and-arch.sh
+++ b/eng/native/init-os-and-arch.sh
@@ -37,6 +37,10 @@ case "$CPUName" in
         arch=arm64
         ;;
 
+    loongarch64)
+        arch=loongarch64
+        ;;
+
     amd64|x86_64)
         arch=x64
         ;;
diff --git a/eng/native/tryrun.cmake b/eng/native/tryrun.cmake
index 96199969da69c..e8a04c5698ad3 100644
--- a/eng/native/tryrun.cmake
+++ b/eng/native/tryrun.cmake
@@ -68,7 +68,7 @@ if(DARWIN)
   else()
     message(FATAL_ERROR "Arch is ${TARGET_ARCH_NAME}. Only arm64 or x64 is supported for OSX cross build!")
   endif()
-elseif(TARGET_ARCH_NAME MATCHES "^(armel|arm|arm64|s390x|x86)$" OR FREEBSD OR ILLUMOS)
+elseif(TARGET_ARCH_NAME MATCHES "^(armel|arm|arm64|loongarch64|s390x|x86)$" OR FREEBSD OR ILLUMOS)
   set_cache_value(FILE_OPS_CHECK_FERROR_OF_PREVIOUS_CALL_EXITCODE 1)
   set_cache_value(GETPWUID_R_SETS_ERRNO_EXITCODE 0)
   set_cache_value(HAS_POSIX_SEMAPHORES_EXITCODE 0)
@@ -146,9 +146,9 @@ elseif(TARGET_ARCH_NAME MATCHES "^(armel|arm|arm64|s390x|x86)$" OR FREEBSD OR IL
     set_cache_value(HAVE_FUNCTIONAL_PTHREAD_ROBUST_MUTEXES_EXITCODE 0)
   endif()
 else()
-  message(FATAL_ERROR "Arch is ${TARGET_ARCH_NAME}. Only armel, arm, arm64, s390x and x86 are supported!")
+  message(FATAL_ERROR "Arch is ${TARGET_ARCH_NAME}. Only armel, arm, arm64, loongarch64, s390x and x86 are supported!")
 endif()
 
-if(TARGET_ARCH_NAME STREQUAL "x86" OR TARGET_ARCH_NAME STREQUAL "s390x")
+if(TARGET_ARCH_NAME STREQUAL "x86" OR TARGET_ARCH_NAME STREQUAL "s390x" OR TARGET_ARCH_NAME STREQUAL "loongarch64")
   set_cache_value(HAVE_FUNCTIONAL_PTHREAD_ROBUST_MUTEXES_EXITCODE 0)
 endif()
diff --git a/eng/run-test.sh b/eng/run-test.sh
index 64474cc435af1..0475cff40cd83 100644
--- a/eng/run-test.sh
+++ b/eng/run-test.sh
@@ -31,7 +31,7 @@ usage()
     echo "                                      default: Debug"
     echo "    --os <os>                         OS to run (FreeBSD, Linux, NetBSD, illumos or Solaris)"
     echo "                                      default: detect current OS"
-    echo "    --arch <Architecture>             Architecture to run (x64, arm, armel, x86, arm64)"
+    echo "    --arch <Architecture>             Architecture to run (x64, arm, armel, x86, arm64, loongarch64)"
     echo "                                      default: detect current architecture"
     echo
     echo "Execution options:"
diff --git a/eng/targetingpacks.targets b/eng/targetingpacks.targets
index 9dd37bef8fa1c..4213c84e709d9 100644
--- a/eng/targetingpacks.targets
+++ b/eng/targetingpacks.targets
@@ -33,7 +33,7 @@
                              LatestRuntimeFrameworkVersion="$(ProductVersion)"
                              RuntimeFrameworkName="$(LocalFrameworkOverrideName)"
                              RuntimePackNamePatterns="$(LocalFrameworkOverrideName).Runtime.**RID**"
-                             RuntimePackRuntimeIdentifiers="linux-arm;linux-arm64;linux-musl-arm64;linux-musl-x64;linux-x64;osx-x64;rhel.6-x64;tizen.4.0.0-armel;tizen.5.0.0-armel;win-arm;win-arm64;win-x64;win-x86;linux-musl-arm;osx-arm64;maccatalyst-x64;maccatalyst-arm64"
+                             RuntimePackRuntimeIdentifiers="linux-arm;linux-arm64;linux-musl-arm64;linux-loongarch64;linux-musl-x64;linux-x64;osx-x64;rhel.6-x64;tizen.4.0.0-armel;tizen.5.0.0-armel;win-arm;win-arm64;win-x64;win-x86;linux-musl-arm;osx-arm64;maccatalyst-x64;maccatalyst-arm64"
                              TargetFramework="$(NetCoreAppCurrent)"
                              TargetingPackName="$(LocalFrameworkOverrideName).Ref"
                              TargetingPackVersion="$(ProductVersion)"
@@ -43,13 +43,13 @@
                       RuntimeFrameworkName="$(LocalFrameworkOverrideName)"
                       LatestRuntimeFrameworkVersion="$(ProductVersion)"
                       RuntimePackNamePatterns="$(LocalFrameworkOverrideName).Runtime.Mono.**RID**"
-                      RuntimePackRuntimeIdentifiers="linux-arm;linux-arm64;linux-musl-arm64;linux-musl-x64;linux-x64;osx-x64;rhel.6-x64;win-arm;win-arm64;win-x64;win-x86;linux-musl-arm;osx-arm64;maccatalyst-x64;maccatalyst-arm64;browser-wasm;ios-arm64;ios-arm;iossimulator-arm64;iossimulator-x64;iossimulator-x86;tvos-arm64;tvossimulator-arm64;tvossimulator-x64;android-arm64;android-arm;android-x64;android-x86"
+                      RuntimePackRuntimeIdentifiers="linux-arm;linux-arm64;linux-musl-arm64;linux-loongarch64;linux-musl-x64;linux-x64;osx-x64;rhel.6-x64;win-arm;win-arm64;win-x64;win-x86;linux-musl-arm;osx-arm64;maccatalyst-x64;maccatalyst-arm64;browser-wasm;ios-arm64;ios-arm;iossimulator-arm64;iossimulator-x64;iossimulator-x86;tvos-arm64;tvossimulator-arm64;tvossimulator-x64;android-arm64;android-arm;android-x64;android-x86"
                       RuntimePackLabels="Mono"
                       Condition="'@(KnownRuntimePack)' == '' or !@(KnownRuntimePack->AnyHaveMetadataValue('TargetFramework', '$(NetCoreAppCurrent)'))"/>
     <KnownAppHostPack Include="$(LocalFrameworkOverrideName)" 
                       AppHostPackNamePattern="$(LocalFrameworkOverrideName).Host.**RID**"
                       AppHostPackVersion="$([MSBuild]::ValueOrDefault('$(_AppHostBaselinePackVersion)', '$(ProductVersion)'))"
-                      AppHostRuntimeIdentifiers="linux-arm;linux-arm64;linux-musl-arm64;linux-musl-x64;linux-x64;osx-x64;rhel.6-x64;tizen.4.0.0-armel;tizen.5.0.0-armel;win-arm;win-arm64;win-x64;win-x86;linux-musl-arm;osx-arm64"
+                      AppHostRuntimeIdentifiers="linux-arm;linux-arm64;linux-musl-arm64;linux-loongarch64;linux-musl-x64;linux-x64;osx-x64;rhel.6-x64;tizen.4.0.0-armel;tizen.5.0.0-armel;win-arm;win-arm64;win-x64;win-x86;linux-musl-arm;osx-arm64"
                       TargetFramework="$(NetCoreAppCurrent)"
                       Condition="'@(KnownAppHostPack)' == '' or !@(KnownAppHostPack->AnyHaveMetadataValue('TargetFramework', '$(NetCoreAppCurrent)'))" />
     <KnownCrossgen2Pack Include="$(LocalFrameworkOverrideName).Crossgen2"
diff --git a/src/coreclr/build-runtime.sh b/src/coreclr/build-runtime.sh
index 0952992949282..8d42b92ce95c0 100755
--- a/src/coreclr/build-runtime.sh
+++ b/src/coreclr/build-runtime.sh
@@ -50,6 +50,8 @@ build_cross_architecture_components()
         __SkipCrossArchBuild=0
     elif [[ "$__BuildArch" == "arm64" && "$__CrossArch" == "x64" ]]; then
         __SkipCrossArchBuild=0
+    elif [[ "$__BuildArch" == "loongarch64" && "$__CrossArch" == "x64" ]]; then
+        __SkipCrossArchBuild=0
     else
         # not supported
         return
diff --git a/src/coreclr/clrdefinitions.cmake b/src/coreclr/clrdefinitions.cmake
index 50aab221c8032..d5fc9f5e1ee8e 100644
--- a/src/coreclr/clrdefinitions.cmake
+++ b/src/coreclr/clrdefinitions.cmake
@@ -191,12 +191,12 @@ if (CLR_CMAKE_TARGET_ARCH_AMD64)
   add_definitions(-DUNIX_AMD64_ABI_ITF)
 endif (CLR_CMAKE_TARGET_ARCH_AMD64)
 add_definitions(-DFEATURE_USE_ASM_GC_WRITE_BARRIERS)
-if(CLR_CMAKE_TARGET_ARCH_AMD64 OR CLR_CMAKE_TARGET_ARCH_ARM64)
+if(CLR_CMAKE_TARGET_ARCH_AMD64 OR CLR_CMAKE_TARGET_ARCH_ARM64 OR CLR_CMAKE_TARGET_ARCH_LOONGARCH64)
   add_definitions(-DFEATURE_USE_SOFTWARE_WRITE_WATCH_FOR_GC_HEAP)
-endif(CLR_CMAKE_TARGET_ARCH_AMD64 OR CLR_CMAKE_TARGET_ARCH_ARM64)
-if(CLR_CMAKE_TARGET_ARCH_AMD64 OR CLR_CMAKE_TARGET_ARCH_ARM64)
+endif(CLR_CMAKE_TARGET_ARCH_AMD64 OR CLR_CMAKE_TARGET_ARCH_ARM64 OR CLR_CMAKE_TARGET_ARCH_LOONGARCH64)
+if(CLR_CMAKE_TARGET_ARCH_AMD64 OR CLR_CMAKE_TARGET_ARCH_ARM64 OR CLR_CMAKE_TARGET_ARCH_LOONGARCH64)
   add_definitions(-DFEATURE_MANUALLY_MANAGED_CARD_BUNDLES)
-endif(CLR_CMAKE_TARGET_ARCH_AMD64 OR CLR_CMAKE_TARGET_ARCH_ARM64)
+endif(CLR_CMAKE_TARGET_ARCH_AMD64 OR CLR_CMAKE_TARGET_ARCH_ARM64 OR CLR_CMAKE_TARGET_ARCH_LOONGARCH64)
 
 if(NOT CLR_CMAKE_TARGET_UNIX)
     add_definitions(-DFEATURE_WIN32_REGISTRY)
@@ -240,6 +240,7 @@ function(set_target_definitions_to_custom_os_and_arch)
     elseif (TARGETDETAILS_ARCH STREQUAL "x86")
       target_compile_definitions(${TARGETDETAILS_TARGET} PRIVATE UNIX_X86_ABI)
     elseif (TARGETDETAILS_ARCH STREQUAL "arm64")
+    elseif (TARGETDETAILS_ARCH STREQUAL "loongarch64")
     endif()
     if ((TARGETDETAILS_ARCH STREQUAL "arm64") AND (TARGETDETAILS_OS STREQUAL "unix_osx"))
       target_compile_definitions(${TARGETDETAILS_TARGET} PRIVATE OSX_ARM64_ABI)
@@ -260,6 +261,10 @@ function(set_target_definitions_to_custom_os_and_arch)
     target_compile_definitions(${TARGETDETAILS_TARGET} PRIVATE TARGET_64BIT)
     target_compile_definitions(${TARGETDETAILS_TARGET} PRIVATE TARGET_ARM64)
     target_compile_definitions(${TARGETDETAILS_TARGET} PRIVATE FEATURE_MULTIREG_RETURN)
+  elseif(TARGETDETAILS_ARCH STREQUAL "loongarch64")
+    target_compile_definitions(${TARGETDETAILS_TARGET} PRIVATE TARGET_64BIT)
+    target_compile_definitions(${TARGETDETAILS_TARGET} PRIVATE TARGET_LOONGARCH64)
+    target_compile_definitions(${TARGETDETAILS_TARGET} PRIVATE FEATURE_MULTIREG_RETURN)
   elseif((TARGETDETAILS_ARCH STREQUAL "arm") OR (TARGETDETAILS_ARCH STREQUAL "armel"))
     target_compile_definitions(${TARGETDETAILS_TARGET} PRIVATE TARGET_ARM)
   endif()
diff --git a/src/coreclr/dlls/mscordac/CMakeLists.txt b/src/coreclr/dlls/mscordac/CMakeLists.txt
index 8d04b34e48aad..25c2532358774 100644
--- a/src/coreclr/dlls/mscordac/CMakeLists.txt
+++ b/src/coreclr/dlls/mscordac/CMakeLists.txt
@@ -47,7 +47,7 @@ else(CLR_CMAKE_HOST_WIN32)
 
         set(REDEFINES_FILE_SCRIPT ${CMAKE_SOURCE_DIR}/generateredefinesfile.sh)
 
-        if (CLR_CMAKE_HOST_ARCH_ARM OR CLR_CMAKE_HOST_ARCH_ARM64)
+        if (CLR_CMAKE_HOST_ARCH_ARM OR CLR_CMAKE_HOST_ARCH_ARM64 OR CLR_CMAKE_HOST_ARCH_LOONGARCH64)
             set(JUMP_INSTRUCTION b)
         else()
             set(JUMP_INSTRUCTION jmp)
diff --git a/src/coreclr/inc/switches.h b/src/coreclr/inc/switches.h
index 9e066527a8bde..65cda94ed9900 100644
--- a/src/coreclr/inc/switches.h
+++ b/src/coreclr/inc/switches.h
@@ -51,7 +51,7 @@
 #if defined(TARGET_X86) || defined(TARGET_ARM)
     #define USE_LAZY_PREFERRED_RANGE       0
 
-#elif defined(TARGET_AMD64) || defined(TARGET_ARM64) || defined(TARGET_S390X)
+#elif defined(TARGET_AMD64) || defined(TARGET_ARM64) || defined(TARGET_S390X) || defined(TARGET_LOONGARCH64)
 
 #if defined(HOST_UNIX)
     // In PAL we have a smechanism that reserves memory on start up that is