File riscv.patch of Package webkit2gtk3

Index: webkitgtk-2.48.1/Source/JavaScriptCore/assembler/MacroAssemblerRISCV64.cpp
===================================================================
--- webkitgtk-2.48.1.orig/Source/JavaScriptCore/assembler/MacroAssemblerRISCV64.cpp
+++ webkitgtk-2.48.1/Source/JavaScriptCore/assembler/MacroAssemblerRISCV64.cpp
@@ -267,7 +267,6 @@ static_assert(!(RA_RESTORATION_SIZE & 0x
 asm(
     ".text" "\n"
     ".globl " SYMBOL_STRING(ctiMasmProbeTrampoline) "\n"
-    ".attribute arch, \"rv64gc\"" "\n"
     HIDE_SYMBOL(ctiMasmProbeTrampoline) "\n"
     SYMBOL_STRING(ctiMasmProbeTrampoline) ":" "\n"
 
Index: webkitgtk-2.48.1/Source/JavaScriptCore/assembler/MacroAssemblerRISCV64.h
===================================================================
--- webkitgtk-2.48.1.orig/Source/JavaScriptCore/assembler/MacroAssemblerRISCV64.h
+++ webkitgtk-2.48.1/Source/JavaScriptCore/assembler/MacroAssemblerRISCV64.h
@@ -171,6 +171,14 @@ public:
     static constexpr RegisterID framePointerRegister = RISCV64Registers::fp;
     static constexpr RegisterID linkRegister = RISCV64Registers::ra;
 
+    void add8(TrustedImm32 imm, Address address)
+    {
+        auto temp = temps<Data>();
+        load8(address, temp.data());
+        add32(imm, temp.data());
+        store8(temp.data(), address);
+    }
+
     void add32(RegisterID src, RegisterID dest)
     {
         add32(src, dest, dest);
Index: webkitgtk-2.48.1/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp
===================================================================
--- webkitgtk-2.48.1.orig/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp
+++ webkitgtk-2.48.1/Source/JavaScriptCore/llint/LowLevelInterpreter.cpp
@@ -564,15 +564,6 @@ WTF_ALLOW_UNSAFE_BUFFER_USAGE_END
     ".thumb\n"                                   \
     ".thumb_func " THUMB_FUNC_PARAM(label) "\n"  \
     SYMBOL_STRING(label) ":\n"
-#elif CPU(RISCV64)
-#define OFFLINE_ASM_GLOBAL_LABEL_IMPL(label, ALT_ENTRY, ALIGNMENT, VISIBILITY) \
-    OFFLINE_ASM_TEXT_SECTION                    \
-    ALIGNMENT                                   \
-    ALT_ENTRY(label)                            \
-    ".globl " SYMBOL_STRING(label) "\n"         \
-    ".attribute arch, \"rv64gc\"" "\n"          \
-    VISIBILITY(label) "\n"                      \
-    SYMBOL_STRING(label) ":\n"
 #else
 #define OFFLINE_ASM_GLOBAL_LABEL_IMPL(label, ALT_ENTRY, ALIGNMENT, VISIBILITY) \
     OFFLINE_ASM_TEXT_SECTION                    \
Index: webkitgtk-2.48.1/Source/JavaScriptCore/llint/WebAssembly.asm
===================================================================
--- webkitgtk-2.48.1.orig/Source/JavaScriptCore/llint/WebAssembly.asm
+++ webkitgtk-2.48.1/Source/JavaScriptCore/llint/WebAssembly.asm
@@ -875,7 +875,9 @@ end
 if ARMv7
     branchIfWasmException(_wasm_throw_from_slow_path_trampoline)
 else
-    btpnz r1, _wasm_throw_from_slow_path_trampoline
+    btpz r1, .nothrow2
+    jmp _wasm_throw_from_slow_path_trampoline
+.nothrow2:
 end
 
     # Clean up and return
Index: webkitgtk-2.48.1/Source/WTF/wtf/PlatformEnable.h
===================================================================
--- webkitgtk-2.48.1.orig/Source/WTF/wtf/PlatformEnable.h
+++ webkitgtk-2.48.1/Source/WTF/wtf/PlatformEnable.h
@@ -644,7 +644,7 @@
 #endif
 #endif
 
-#if CPU(RISCV64)
+#if CPU(RISCV64) && 0
 #undef ENABLE_WEBASSEMBLY
 #define ENABLE_WEBASSEMBLY 1
 #undef ENABLE_WEBASSEMBLY_OMGJIT