From f391fa67112da31da7b6ce0011cecadbee29bedb Mon Sep 17 00:00:00 2001
From: Wenlong Zhang <zhangwenlong@loongson.cn>
Date: Tue, 13 Dec 2022 01:30:55 +0000
Subject: [PATCH] add loongarch support for qtwebkit

---
 CMakeLists.txt                       | 2 ++
 Source/JavaScriptCore/CMakeLists.txt | 1 +
 Source/WTF/wtf/Platform.h            | 7 ++++++-
 Source/WTF/wtf/dtoa/utils.h          | 2 +-
 4 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index db54eb4..0acb7ba 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -88,6 +88,8 @@ elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "s390")
     set(WTF_CPU_S390 1)
 elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "s390x")
     set(WTF_CPU_S390X 1)
+elseif (LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "loongarch64")
+    set(WTF_CPU_LOONGARCH64 1)
 else ()
     message(FATAL_ERROR "Unknown CPU '${LOWERCASE_CMAKE_SYSTEM_PROCESSOR}'")
 endif ()
diff --git a/Source/JavaScriptCore/CMakeLists.txt b/Source/JavaScriptCore/CMakeLists.txt
index afd76ca..4d6a72b 100644
--- a/Source/JavaScriptCore/CMakeLists.txt
+++ b/Source/JavaScriptCore/CMakeLists.txt
@@ -1288,6 +1288,7 @@ elseif (WTF_CPU_S390X)
 elseif (WTF_CPU_MIPS)
 elseif (WTF_CPU_SH4)
 elseif (WTF_CPU_X86)
+elseif (WTF_CPU_LOONGARCH64)
 elseif (WTF_CPU_X86_64)
     if (MSVC AND ENABLE_JIT)
         add_custom_command(
diff --git a/Source/WTF/wtf/Platform.h b/Source/WTF/wtf/Platform.h
index 5717f3e..76f4262 100644
--- a/Source/WTF/wtf/Platform.h
+++ b/Source/WTF/wtf/Platform.h
@@ -166,7 +166,11 @@
 #if defined(__SSE2__) || (defined(_M_IX86_FP) && _M_IX86_FP >= 2)
 #define WTF_CPU_X86_SSE2 1
 #endif
+#endif
 
+/* CPU(LOONGARCH64) - LOONGARCH64 */
+#if defined(__loongarch64)
+#define WTF_CPU_LOONGARCH64 1
 #endif
 
 /* CPU(X86_64) - AMD64 / Intel64 / x86_64 64-bit */
@@ -707,7 +711,8 @@
     || CPU(S390X) \
     || CPU(MIPS64) \
     || CPU(PPC64) \
-    || CPU(PPC64LE)
+    || CPU(PPC64LE) \
+    || CPU(LOONGARCH64)
 #define USE_JSVALUE64 1
 #else
 #define USE_JSVALUE32_64 1
diff --git a/Source/WTF/wtf/dtoa/utils.h b/Source/WTF/wtf/dtoa/utils.h
index 889642c..a90287d 100644
--- a/Source/WTF/wtf/dtoa/utils.h
+++ b/Source/WTF/wtf/dtoa/utils.h
@@ -49,7 +49,7 @@
 defined(__ARMEL__) || \
 defined(_MIPS_ARCH_MIPS32R2)
 #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
-#elif CPU(MIPS) || CPU(MIPS64) || CPU(PPC) || CPU(PPC64) || CPU(PPC64LE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(ALPHA) || CPU(ARM64) || CPU(HPPA)
+#elif CPU(MIPS) || CPU(MIPS64) || CPU(PPC) || CPU(PPC64) || CPU(PPC64LE) || CPU(SH4) || CPU(S390) || CPU(S390X) || CPU(IA64) || CPU(ALPHA) || CPU(ARM64) || CPU(HPPA) || CPU(LOONGARCH64)
 #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
 #elif defined(_M_IX86) || defined(__i386__)
 #if defined(_WIN32)
-- 
2.33.0