--- webkitgtk-2.28.4.orig/Source/WTF/wtf/dtoa/utils.h	2020-02-04 10:24:07.000000000 +0000
+++ webkitgtk-2.28.4/Source/WTF/wtf/dtoa/utils.h	2021-01-20 05:38:56.527343750 +0000
@@ -86,7 +86,7 @@ int main(int argc, char** argv) {
     defined(__powerpc__) || defined(__ppc__) || defined(__ppc64__) || \
     defined(_POWER) || defined(_ARCH_PPC) || defined(_ARCH_PPC64) || \
     defined(__sparc__) || defined(__sparc) || defined(__s390__) || \
-    defined(__SH4__) || defined(__alpha__) || \
+    defined(__SH4__) || defined(__alpha__) || defined(__loongarch64) || defined(__sw_64__) || \
     defined(_MIPS_ARCH_MIPS32R2) || \
     defined(__AARCH64EL__) || defined(__aarch64__) || defined(__AARCH64EB__) || \
     defined(__riscv) || \