diff --git a/src/dawn/common/Assert.cpp b/src/dawn/common/Assert.cpp
index ecc92dfc83..1793bacca8 100644
--- a/src/dawn/common/Assert.cpp
+++ b/src/dawn/common/Assert.cpp
@@ -27,6 +27,8 @@ void BreakPoint() {
     __asm__ __volatile__("bkpt 0");
 #elif DAWN_PLATFORM_IS(ARM64)
     __asm__ __volatile__("brk 0");
+#elif DAWN_PLATFORM_IS(LOONGARCH)
+    __asm__ __volatile__("break");
 #elif DAWN_PLATFORM_IS(RISCV)
     __asm__ __volatile__("ebreak");
 #elif DAWN_PLATFORM_IS(MIPS)
diff --git a/src/dawn/common/Platform.h b/src/dawn/common/Platform.h
index 39d5eb4102..e49fc4ff1e 100644
--- a/src/dawn/common/Platform.h
+++ b/src/dawn/common/Platform.h
@@ -84,6 +84,9 @@
 //  - ARM
 //    - ARM32
 //    - ARM64
+//  - LOONGARCH
+//    - LOONGARCH32
+//    - LOONGARCH64
 //  - RISCV
 //    - RISCV32
 //    - RISCV64
@@ -108,6 +111,14 @@
 #define DAWN_PLATFORM_IS_ARM 1
 #define DAWN_PLATFORM_IS_ARM64 1
 
+#elif defined(__loongarch__)
+#define DAWN_PLATFORM_IS_LOONGARCH 1
+#if _LOONGARCH_SIM == _ABILP32
+#define DAWN_PLATFORM_IS_LOONGARCH32 1
+#else
+#define DAWN_PLATFORM_IS_LOONGARCH64 1
+#endif
+
 #elif defined(__riscv)
 #define DAWN_PLATFORM_IS_RISCV 1
 #if __riscv_xlen == 32
@@ -144,13 +155,14 @@
 //  - 32_BIT
 #if defined(DAWN_PLATFORM_IS_X86_64) || defined(DAWN_PLATFORM_IS_ARM64) ||   \
     defined(DAWN_PLATFORM_IS_RISCV64) || defined(DAWN_PLATFORM_IS_MIPS64) || \
-    defined(DAWN_PLATFORM_IS_S390X) || defined(DAWN_PLATFORM_IS_PPC64)
+    defined(DAWN_PLATFORM_IS_S390X) || defined(DAWN_PLATFORM_IS_PPC64) ||    \
+    defined(DAWN_PLATFORM_IS_LOONGARCH64)
 #define DAWN_PLATFORM_IS_64_BIT 1
 static_assert(sizeof(sizeof(char)) == 8, "Expect sizeof(size_t) == 8");
 #elif defined(DAWN_PLATFORM_IS_I386) || defined(DAWN_PLATFORM_IS_ARM32) ||   \
     defined(DAWN_PLATFORM_IS_RISCV32) || defined(DAWN_PLATFORM_IS_MIPS32) || \
     defined(DAWN_PLATFORM_IS_S390) || defined(DAWN_PLATFORM_IS_PPC32) ||     \
-    defined(DAWN_PLATFORM_IS_EMSCRIPTEN)
+    defined(DAWN_PLATFORM_IS_EMSCRIPTEN) || defined(DAWN_PLATFORM_IS_LOONGARCH32)
 #define DAWN_PLATFORM_IS_32_BIT 1
 static_assert(sizeof(sizeof(char)) == 4, "Expect sizeof(size_t) == 4");
 #else
@@ -216,6 +228,16 @@ static_assert(sizeof(sizeof(char)) == 4, "Expect sizeof(size_t) == 4");
 #define DAWN_PLATFORM_IS_ARM64 0
 #endif
 
+#if !defined(DAWN_PLATFORM_IS_LOONGARCH)
+#define DAWN_PLATFORM_IS_LOONGARCH 0
+#endif
+#if !defined(DAWN_PLATFORM_IS_LOONGARCH32)
+#define DAWN_PLATFORM_IS_LOONGARCH32 0
+#endif
+#if !defined(DAWN_PLATFORM_IS_LOONGARCH64)
+#define DAWN_PLATFORM_IS_LOONGARCH64 0
+#endif
+
 #if !defined(DAWN_PLATFORM_IS_RISCV)
 #define DAWN_PLATFORM_IS_RISCV 0
 #endif