diff --git a/extern/hipew/include/hipew.h b/extern/hipew/include/hipew.h
index e87daaec213..963c5092f0b 100644
--- a/extern/hipew/include/hipew.h
+++ b/extern/hipew/include/hipew.h
@@ -87,7 +87,7 @@ typedef uint32_t hipuint32_t;
 typedef uint64_t hipuint64_t;
 #endif
 
-#if defined(__x86_64) || defined(AMD64) || defined(_M_AMD64) || defined (__aarch64__) || defined(_M_ARM64) || defined(__ppc64__) || defined(__PPC64__)
+#if defined(__x86_64) || defined(AMD64) || defined(_M_AMD64) || defined (__aarch64__) || defined(_M_ARM64) || defined(__ppc64__) || defined(__PPC64__) || defined(__LP64__)
 typedef unsigned long long hipDeviceptr_t;
 #else
 typedef unsigned int hipDeviceptr_t;
diff --git a/source/blender/blenlib/BLI_build_config.h b/source/blender/blenlib/BLI_build_config.h
index dff2096ffd2..bbbb75edf33 100644
--- a/source/blender/blenlib/BLI_build_config.h
+++ b/source/blender/blenlib/BLI_build_config.h
@@ -357,6 +357,11 @@
 #  else
 #    define ARCH_CPU_BIG_ENDIAN 1
 #  endif
+#elif defined(__loongarch_lp64)
+#  define ARCH_CPU_LOONG_FAMILY 1
+#  define ARCH_CPU_LOONG64 1
+#  define ARCH_CPU_64_BITS 1
+#  define ARCH_CPU_LITTLE_ENDIAN 1
 #else
 #  error Please add support for your architecture in BLI_build_config.h
 #endif
@@ -399,6 +404,9 @@
 #if !defined(ARCH_CPU_RISCV_FAMILY)
 #  define ARCH_CPU_RISCV_FAMILY 0
 #endif
+#if !defined(ARCH_CPU_LOONG_FAMILY)
+#  define ARCH_CPU_LOONG_FAMILY 0
+#endif
 
 #if !defined(ARCH_CPU_ARM64)
 #  define ARCH_CPU_ARM64 0
@@ -442,5 +450,8 @@
 #if !defined(ARCH_CPU_RISCV128)
 #  define ARCH_CPU_RISCV128 0
 #endif
+#if !defined(ARCH_CPU_LOONG64)
+#  define ARCH_CPU_LOONG64 0
+#endif
 
 /** \} */