diff --git a/compiler-rt/cmake/crt-config-ix.cmake b/compiler-rt/cmake/crt-config-ix.cmake
--- a/compiler-rt/cmake/crt-config-ix.cmake
+++ b/compiler-rt/cmake/crt-config-ix.cmake
@@ -24,6 +24,8 @@
 set(X86 i386)
 set(X86_64 x86_64)
 set(LOONGARCH64 loongarch64)
+set(MIPS32 mips mipsel)
+set(MIPS64 mips64 mips64el)
 set(PPC32 powerpc powerpcspe)
 set(PPC64 powerpc64 powerpc64le)
 set(RISCV32 riscv32)
@@ -31,7 +33,8 @@
 set(VE ve)
 
 set(ALL_CRT_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64} ${PPC32}
-    ${PPC64} ${RISCV32} ${RISCV64} ${VE} ${HEXAGON} ${LOONGARCH64})
+    ${PPC64} ${RISCV32} ${RISCV64} ${VE} ${HEXAGON} ${LOONGARCH64}
+    ${MIPS32} ${MIPS64} ${SPARC} ${SPARCV9})
 
 include(CompilerRTUtils)
 
diff --git a/compiler-rt/lib/crt/crtbegin.c b/compiler-rt/lib/crt/crtbegin.c
--- a/compiler-rt/lib/crt/crtbegin.c
+++ b/compiler-rt/lib/crt/crtbegin.c
@@ -69,6 +69,10 @@
 __asm__(".pushsection .init,\"ax\",@progbits\n\t"
         "call __do_init\n\t"
         ".popsection");
+#elif defined(__mips__)
+__asm__(".pushsection .fini,\"ax\",@progbits\n\t"
+        "jal " __USER_LABEL_PREFIX__ "__do_fini\n\t"
+        ".popsection");
 #else
 #error "crtbegin without .init_fini array unimplemented for this architecture"
 #endif // CRT_HAS_INITFINI_ARRAY