aports/community/qt6-qtwebengine/qt6-6.9.0.loongarch64.diff

diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/cmake/QtToolchainHelpers.cmake b/cmake/QtToolchainHelpers.cmake
--- a/cmake/QtToolchainHelpers.cmake	2025-06-05 09:35:26.023000000 +0800
+++ b/cmake/QtToolchainHelpers.cmake	2025-06-05 09:43:01.504586590 +0800
@@ -55,6 +55,8 @@
         set(${result} "mips64el" PARENT_SCOPE)
     elseif(arch STREQUAL "riscv64")
         set(${result} "riscv64" PARENT_SCOPE)
+    elseif(arch STREQUAL "loongarch64")
+        set(${result} "loong64" PARENT_SCOPE)
     else()
         message(FATAL_ERROR "Unknown architecture: ${arch}")
     endif()
@@ -75,6 +77,8 @@
             set(${result} "mipsel" PARENT_SCOPE)
         elseif(hostArch STREQUAL "riscv64")
             set(${result} "riscv32" PARENT_SCOPE)
+        elseif(arch STREQUAL "loongarch64")
+            set(${result} "loong64" PARENT_SCOPE)
         elseif(hostArch IN_LIST list32)
             set(${result} "${hostArch}" PARENT_SCOPE)
         else()
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/chromium/base/process/launch.h b/src/3rdparty/chromium/base/process/launch.h
--- a/src/3rdparty/chromium/base/process/launch.h	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/chromium/base/process/launch.h	2000-01-01 00:00:00.000000000 +0800
@@ -51,7 +51,7 @@ namespace base {
 // defined as a constant.
 
 // These constants are borrowed from glibc’s (arch)/bits/pthread_stack_min.h.
-#if defined(ARCH_CPU_ARM64)
+#if defined(ARCH_CPU_ARM64) || defined(ARCH_CPU_LOONGARCH64)
 #define PTHREAD_STACK_MIN_CONST \
   (__builtin_constant_p(PTHREAD_STACK_MIN) ? PTHREAD_STACK_MIN : 131072)
 #else
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/chromium/build/toolchain/gcc_toolchain.gni b/src/3rdparty/chromium/build/toolchain/gcc_toolchain.gni
--- a/src/3rdparty/chromium/build/toolchain/gcc_toolchain.gni	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/chromium/build/toolchain/gcc_toolchain.gni	2000-01-01 00:00:00.000000000 +0800
@@ -351,6 +351,12 @@ template("single_gcc_toolchain") {
       extra_ldflags = ""
     }
 
+    if (current_cpu == "loong64") {
+      extra_cflags += " -mcmodel=medium"
+      extra_cxxflags += " -mcmodel=medium"
+      extra_ldflags += " -mno-relax"
+    }
+
     if (system_headers_in_deps) {
       md = "-MD"
     } else {
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/chromium/components/metrics/debug/metrics_internals_utils.cc b/src/3rdparty/chromium/components/metrics/debug/metrics_internals_utils.cc
--- a/src/3rdparty/chromium/components/metrics/debug/metrics_internals_utils.cc	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/chromium/components/metrics/debug/metrics_internals_utils.cc	2000-01-01 00:00:00.000000000 +0800
@@ -69,6 +69,8 @@ std::string CpuArchitectureToString(
       return "arm32";
     case variations::Study::TRANSLATED_X86_64:
       return "translated_x86_64";
+    case variations::Study::LOONGARCH64:
+      return "loongarch64";
   }
   NOTREACHED_IN_MIGRATION();
 }
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/chromium/components/variations/proto/study.proto b/src/3rdparty/chromium/components/variations/proto/study.proto
--- a/src/3rdparty/chromium/components/variations/proto/study.proto	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/chromium/components/variations/proto/study.proto	2000-01-01 00:00:00.000000000 +0800
@@ -262,6 +262,8 @@ message Study {
     // A Mac-only value, indicating an x86-64 binary running on an arm64 host
     // via "Rosetta 2" binary translation.
     TRANSLATED_X86_64 = 4;
+
+    LOONGARCH64 = 5;
   }
 
   // Enum to pass as optional bool.
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/chromium/components/variations/service/variations_field_trial_creator_base.cc b/src/3rdparty/chromium/components/variations/service/variations_field_trial_creator_base.cc
--- a/src/3rdparty/chromium/components/variations/service/variations_field_trial_creator_base.cc	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/chromium/components/variations/service/variations_field_trial_creator_base.cc	2000-01-01 00:00:00.000000000 +0800
@@ -106,6 +106,9 @@ Study::CpuArchitecture GetCurrentCpuArch
   if (process_arch == "ARM") {
     return Study::ARM32;
   }
+  if (process_arch == "LOONGARCH_64") {
+    return Study::LOONGARCH64;
+  }
   if (process_arch == "x86") {
     return Study::X86_32;
   }
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/chromium/skia/BUILD.gn b/src/3rdparty/chromium/skia/BUILD.gn
--- a/src/3rdparty/chromium/skia/BUILD.gn	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/chromium/skia/BUILD.gn	2000-01-01 00:00:00.000000000 +0800
@@ -169,7 +169,7 @@ config("skia_config") {
   if (current_cpu == "loong64") {
     cflags = [
       "-mlsx",
-      "-flax-vector-conversions=all",
+      "-flax-vector-conversions",
     ]
   }
 }
@@ -759,7 +759,7 @@ if (current_cpu == "loong64") {
     sources = skia_opts.lasx_sources
     cflags = [
       "-mlasx",
-      "-flax-vector-conversions=all",
+      "-flax-vector-conversions",
     ]
     visibility = [ ":skia_opts" ]
   }
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/chromium/third_party/blink/renderer/platform/BUILD.gn b/src/3rdparty/chromium/third_party/blink/renderer/platform/BUILD.gn
--- a/src/3rdparty/chromium/third_party/blink/renderer/platform/BUILD.gn	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/chromium/third_party/blink/renderer/platform/BUILD.gn	2000-01-01 00:00:00.000000000 +0800
@@ -1645,7 +1645,7 @@ jumbo_component("platform") {
   if (current_cpu == "loong64") {
     cflags = [
       "-mlsx",
-      "-flax-vector-conversions=all",
+      "-flax-vector-conversions",
     ]
   }
 
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/chromium/third_party/blink/renderer/platform/graphics/cpu/loongarch64/webgl_image_conversion_lsx.h b/src/3rdparty/chromium/third_party/blink/renderer/platform/graphics/cpu/loongarch64/webgl_image_conversion_lsx.h
--- a/src/3rdparty/chromium/third_party/blink/renderer/platform/graphics/cpu/loongarch64/webgl_image_conversion_lsx.h	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/chromium/third_party/blink/renderer/platform/graphics/cpu/loongarch64/webgl_image_conversion_lsx.h	2000-01-01 00:00:00.000000000 +0800
@@ -91,19 +91,19 @@ ALWAYS_INLINE void PackOneRowOfRGBA8Litt
   v4f32 mask_falpha = __lsx_vffint_s_w(mask_lalpha);
   v16u8 ra_index = {0,19, 4,23, 8,27, 12,31};
   for (unsigned i = 0; i < pixels_per_row_trunc; i += 4) {
-    v16u8 bgra = *((__m128i*)(source));
+    __m128i bgra = *((__m128i*)(source));
     //if A !=0, A=0; else A=0xFF
-    v4f32 alpha_factor = __lsx_vseq_b(bgra, mask_zero);
+    __m128i alpha_factor = __lsx_vseq_b(bgra, mask_zero);
     //if A!=0, A=A; else A=0xFF
     alpha_factor = __lsx_vor_v(bgra, alpha_factor);
     alpha_factor = __lsx_vsrli_w(alpha_factor, 24);
-    alpha_factor = __lsx_vffint_s_w(alpha_factor);
-    alpha_factor = __lsx_vfdiv_s(mask_falpha, alpha_factor);
+    alpha_factor = (__m128i) __lsx_vffint_s_w(alpha_factor);
+    alpha_factor = (__m128i) __lsx_vfdiv_s((__m128) mask_falpha, (__m128) alpha_factor);
 
-    v16u8 component_r = __lsx_vand_v(bgra, mask_lalpha);
-    component_r = __lsx_vffint_s_w(component_r);
-    component_r = __lsx_vfmul_s(component_r, alpha_factor);
-    component_r = __lsx_vftintrz_w_s(component_r);
+    __m128i component_r = __lsx_vand_v(bgra, mask_lalpha);
+    component_r = (__m128i) __lsx_vffint_s_w(component_r);
+    component_r = (__m128i) __lsx_vfmul_s((__m128) component_r, (__m128) alpha_factor);
+    component_r = __lsx_vftintrz_w_s((__m128) component_r);
 
     v2u64 ra = __lsx_vshuf_b(bgra, component_r, ra_index);
     __lsx_vstelm_d(ra, destination, 0, 0);
@@ -138,19 +138,19 @@ ALWAYS_INLINE void PackOneRowOfRGBA8Litt
   v4u32 mask_lalpha = __lsx_vreplgr2vr_w(0x0ff);
   v4f32 mask_falpha = __lsx_vffint_s_w(mask_lalpha);
   for (unsigned i = 0; i < pixels_per_row_trunc; i += 4) {
-    v16u8 bgra = *((__m128i*)(source));
+    __m128i bgra = *((__m128i*)(source));
     //if A !=0, A=0; else A=0xFF
-    v4f32 alpha_factor = __lsx_vseq_b(bgra, mask_zero);
+    __m128i alpha_factor = __lsx_vseq_b(bgra, mask_zero);
     //if A!=0, A=A; else A=0xFF
     alpha_factor = __lsx_vor_v(bgra, alpha_factor);
     alpha_factor = __lsx_vsrli_w(alpha_factor, 24);
-    alpha_factor = __lsx_vffint_s_w(alpha_factor);
-    alpha_factor = __lsx_vfdiv_s(mask_falpha, alpha_factor);
+    alpha_factor = (__m128i) __lsx_vffint_s_w(alpha_factor);
+    alpha_factor = (__m128i) __lsx_vfdiv_s((__m128) mask_falpha, (__m128) alpha_factor);
 
-    v16u8 component_r = __lsx_vand_v(bgra, mask_lalpha);
-    component_r = __lsx_vffint_s_w(component_r);
-    component_r = __lsx_vfmul_s(component_r, alpha_factor);
-    component_r = __lsx_vftintrz_w_s(component_r);
+    __m128i component_r = __lsx_vand_v(bgra, mask_lalpha);
+    component_r = (__m128i) __lsx_vffint_s_w(component_r);
+    component_r = (__m128i) __lsx_vfmul_s((__m128) component_r, (__m128) alpha_factor);
+    component_r = __lsx_vftintrz_w_s((__m128) component_r);
 
     component_r = __lsx_vpickev_b(component_r, component_r);
     component_r = __lsx_vpickev_b(component_r, component_r);
@@ -172,41 +172,41 @@ ALWAYS_INLINE void PackOneRowOfRGBA8Litt
   v4f32 mask_falpha = __lsx_vffint_s_w(mask_lalpha);
   v16u8 rgba_index = {0,1,2,19, 4,5,6,23, 8,9,10,27, 12,13,14,31};
   for (unsigned i = 0; i < pixels_per_row_trunc; i += 4) {
-    v16u8 bgra = *((__m128i*)(source));
+    __m128i bgra = *((__m128i*)(source));
     //if A !=0, A=0; else A=0xFF
-    v4f32 alpha_factor = __lsx_vseq_b(bgra, mask_zero);
+    __m128i alpha_factor = __lsx_vseq_b(bgra, mask_zero);
     //if A!=0, A=A; else A=0xFF
     alpha_factor = __lsx_vor_v(bgra, alpha_factor);
     alpha_factor = __lsx_vsrli_w(alpha_factor, 24);
-    alpha_factor = __lsx_vffint_s_w(alpha_factor);
-    alpha_factor = __lsx_vfdiv_s(mask_falpha, alpha_factor);
+    alpha_factor = (__m128i) __lsx_vffint_s_w(alpha_factor);
+    alpha_factor = (__m128i) __lsx_vfdiv_s((__m128) mask_falpha, (__m128) alpha_factor);
 
     v16u8 bgra_01 = __lsx_vilvl_b(mask_zero, bgra);
     v16u8 bgra_23 = __lsx_vilvh_b(mask_zero, bgra);
-    v16u8 bgra_0 = __lsx_vilvl_b(mask_zero, bgra_01);
-    v16u8 bgra_1 = __lsx_vilvh_b(mask_zero, bgra_01);
-    v16u8 bgra_2 = __lsx_vilvl_b(mask_zero, bgra_23);
-    v16u8 bgra_3 = __lsx_vilvh_b(mask_zero, bgra_23);
-
-    bgra_0 = __lsx_vffint_s_w(bgra_0);
-    bgra_1 = __lsx_vffint_s_w(bgra_1);
-    bgra_2 = __lsx_vffint_s_w(bgra_2);
-    bgra_3 = __lsx_vffint_s_w(bgra_3);
-
-    v4f32 alpha_factor_0 = __lsx_vreplvei_w(alpha_factor, 0);
-    v4f32 alpha_factor_1 = __lsx_vreplvei_w(alpha_factor, 1);
-    v4f32 alpha_factor_2 = __lsx_vreplvei_w(alpha_factor, 2);
-    v4f32 alpha_factor_3 = __lsx_vreplvei_w(alpha_factor, 3);
-
-    bgra_0 = __lsx_vfmul_s(alpha_factor_0, bgra_0);
-    bgra_1 = __lsx_vfmul_s(alpha_factor_1, bgra_1);
-    bgra_2 = __lsx_vfmul_s(alpha_factor_2, bgra_2);
-    bgra_3 = __lsx_vfmul_s(alpha_factor_3, bgra_3);
-
-    bgra_0 = __lsx_vftintrz_w_s(bgra_0);
-    bgra_1 = __lsx_vftintrz_w_s(bgra_1);
-    bgra_2 = __lsx_vftintrz_w_s(bgra_2);
-    bgra_3 = __lsx_vftintrz_w_s(bgra_3);
+    __m128i bgra_0 = __lsx_vilvl_b(mask_zero, bgra_01);
+    __m128i bgra_1 = __lsx_vilvh_b(mask_zero, bgra_01);
+    __m128i bgra_2 = __lsx_vilvl_b(mask_zero, bgra_23);
+    __m128i bgra_3 = __lsx_vilvh_b(mask_zero, bgra_23);
+
+    bgra_0 = (__m128i) __lsx_vffint_s_w(bgra_0);
+    bgra_1 = (__m128i) __lsx_vffint_s_w(bgra_1);
+    bgra_2 = (__m128i) __lsx_vffint_s_w(bgra_2);
+    bgra_3 = (__m128i) __lsx_vffint_s_w(bgra_3);
+
+    __m128i alpha_factor_0 = __lsx_vreplvei_w(alpha_factor, 0);
+    __m128i alpha_factor_1 = __lsx_vreplvei_w(alpha_factor, 1);
+    __m128i alpha_factor_2 = __lsx_vreplvei_w(alpha_factor, 2);
+    __m128i alpha_factor_3 = __lsx_vreplvei_w(alpha_factor, 3);
+
+    bgra_0 = (__m128i) __lsx_vfmul_s((__m128) alpha_factor_0, (__m128) bgra_0);
+    bgra_1 = (__m128i) __lsx_vfmul_s((__m128) alpha_factor_1, (__m128) bgra_1);
+    bgra_2 = (__m128i) __lsx_vfmul_s((__m128) alpha_factor_2, (__m128) bgra_2);
+    bgra_3 = (__m128i) __lsx_vfmul_s((__m128) alpha_factor_3, (__m128) bgra_3);
+
+    bgra_0 = __lsx_vftintrz_w_s((__m128) bgra_0);
+    bgra_1 = __lsx_vftintrz_w_s((__m128) bgra_1);
+    bgra_2 = __lsx_vftintrz_w_s((__m128) bgra_2);
+    bgra_3 = __lsx_vftintrz_w_s((__m128) bgra_3);
 
     bgra_01 = __lsx_vpickev_b(bgra_1, bgra_0);
     bgra_23 = __lsx_vpickev_b(bgra_3, bgra_2);
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/chromium/third_party/boringssl/src/include/openssl/target.h b/src/3rdparty/chromium/third_party/boringssl/src/include/openssl/target.h
--- a/src/3rdparty/chromium/third_party/boringssl/src/include/openssl/target.h	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/chromium/third_party/boringssl/src/include/openssl/target.h	2000-01-01 00:00:00.000000000 +0800
@@ -45,6 +45,8 @@
 #define OPENSSL_RISCV64
 #elif defined(__riscv) && __SIZEOF_POINTER__ == 4
 #define OPENSSL_32_BIT
+#elif defined(__loongarch__) && __SIZEOF_POINTER__ == 8
+#define OPENSSL_64_BIT
 #elif defined(__pnacl__)
 #define OPENSSL_32_BIT
 #define OPENSSL_PNACL
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/chromium/third_party/skia/gn/core.gni b/src/3rdparty/chromium/third_party/skia/gn/core.gni
--- a/src/3rdparty/chromium/third_party/skia/gn/core.gni	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/chromium/third_party/skia/gn/core.gni	2000-01-01 00:00:00.000000000 +0800
@@ -272,7 +272,7 @@ skia_core_sources = [
   "$_src/core/SkBitmapProcState.h",
   "$_src/core/SkBitmapProcState_matrixProcs.cpp",
   "$_src/core/SkBitmapProcState_opts.cpp",
-  "$_src/core/SkBitmapProcState_opts_lasx.cpp",
+  # "$_src/core/SkBitmapProcState_opts_lasx.cpp",
   "$_src/core/SkBitmapProcState_opts_ssse3.cpp",
   "$_src/core/SkBlendMode.cpp",
   "$_src/core/SkBlendModeBlender.cpp",
@@ -287,7 +287,7 @@ skia_core_sources = [
   "$_src/core/SkBlitRow_D32.cpp",
   "$_src/core/SkBlitRow_opts.cpp",
   "$_src/core/SkBlitRow_opts_hsw.cpp",
-  "$_src/core/SkBlitRow_opts_lasx.cpp",
+  # "$_src/core/SkBlitRow_opts_lasx.cpp",
   "$_src/core/SkBlitter.cpp",
   "$_src/core/SkBlitter.h",
   "$_src/core/SkBlitter_A8.cpp",
@@ -569,7 +569,7 @@ skia_core_sources = [
   "$_src/core/SkSwizzlePriv.h",
   "$_src/core/SkSwizzler_opts.cpp",
   "$_src/core/SkSwizzler_opts_hsw.cpp",
-  "$_src/core/SkSwizzler_opts_lasx.cpp",
+  # "$_src/core/SkSwizzler_opts_lasx.cpp",
   "$_src/core/SkSwizzler_opts_ssse3.cpp",
   "$_src/core/SkTDynamicHash.h",
   "$_src/core/SkTHash.h",
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/chromium/third_party/skia/include/private/base/SkFeatures.h b/src/3rdparty/chromium/third_party/skia/include/private/base/SkFeatures.h
--- a/src/3rdparty/chromium/third_party/skia/include/private/base/SkFeatures.h	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/chromium/third_party/skia/include/private/base/SkFeatures.h	2000-01-01 00:00:00.000000000 +0800
@@ -121,9 +121,9 @@
 #endif
 
 #ifndef SK_CPU_LSX_LEVEL
-    #if defined(__loongarch_asx)
+    #if defined(__loongarch_asx) && 0
         #define SK_CPU_LSX_LEVEL    SK_CPU_LSX_LEVEL_LASX
-    #elif defined(__loongarch_sx)
+    #elif defined(__loongarch_sx) && 0
         #define SK_CPU_LSX_LEVEL    SK_CPU_LSX_LEVEL_LSX
     #endif
 #endif
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/chromium/third_party/skia/src/core/SkBitmapProcState_opts.cpp b/src/3rdparty/chromium/third_party/skia/src/core/SkBitmapProcState_opts.cpp
--- a/src/3rdparty/chromium/third_party/skia/src/core/SkBitmapProcState_opts.cpp	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/chromium/third_party/skia/src/core/SkBitmapProcState_opts.cpp	2000-01-01 00:00:00.000000000 +0800
@@ -22,7 +22,6 @@ namespace SkOpts {
     DEFINE_DEFAULT(S32_alpha_D32_filter_DXDY);
 
     void Init_BitmapProcState_ssse3();
-    void Init_BitmapProcState_lasx();
 
     static bool init() {
     #if defined(SK_ENABLE_OPTIMIZE_SIZE)
@@ -31,10 +30,6 @@ namespace SkOpts {
         #if SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_SSSE3
             if (SkCpu::Supports(SkCpu::SSSE3)) { Init_BitmapProcState_ssse3(); }
         #endif
-    #elif defined(SK_CPU_LOONGARCH)
-        #if SK_CPU_LSX_LEVEL < SK_CPU_LSX_LEVEL_LASX
-            if (SkCpu::Supports(SkCpu::LOONGARCH_ASX)) { Init_BitmapProcState_lasx(); }
-        #endif
     #endif
       return true;
     }
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/chromium/third_party/skia/src/core/SkBlitRow_opts.cpp b/src/3rdparty/chromium/third_party/skia/src/core/SkBlitRow_opts.cpp
--- a/src/3rdparty/chromium/third_party/skia/src/core/SkBlitRow_opts.cpp	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/chromium/third_party/skia/src/core/SkBlitRow_opts.cpp	2000-01-01 00:00:00.000000000 +0800
@@ -22,7 +22,6 @@ namespace SkOpts {
     DEFINE_DEFAULT(blit_row_s32a_opaque);
 
     void Init_BlitRow_hsw();
-    void Init_BlitRow_lasx();
 
     static bool init() {
     #if defined(SK_ENABLE_OPTIMIZE_SIZE)
@@ -31,10 +30,6 @@ namespace SkOpts {
         #if SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_AVX2
             if (SkCpu::Supports(SkCpu::HSW)) { Init_BlitRow_hsw(); }
         #endif
-    #elif defined(SK_CPU_LOONGARCH)
-        #if SK_CPU_LSX_LEVEL < SK_CPU_LSX_LEVEL_LASX
-            if (SkCpu::Supports(SkCpu::LOONGARCH_ASX)) { Init_BlitRow_lasx(); }
-        #endif
     #endif
       return true;
     }
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/chromium/third_party/skia/src/core/SkSwizzler_opts.cpp b/src/3rdparty/chromium/third_party/skia/src/core/SkSwizzler_opts.cpp
--- a/src/3rdparty/chromium/third_party/skia/src/core/SkSwizzler_opts.cpp	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/chromium/third_party/skia/src/core/SkSwizzler_opts.cpp	2000-01-01 00:00:00.000000000 +0800
@@ -33,7 +33,6 @@ namespace SkOpts {
 
     void Init_Swizzler_ssse3();
     void Init_Swizzler_hsw();
-    void Init_Swizzler_lasx();
 
     static bool init() {
     #if defined(SK_ENABLE_OPTIMIZE_SIZE)
@@ -46,10 +45,6 @@ namespace SkOpts {
         #if SK_CPU_SSE_LEVEL < SK_CPU_SSE_LEVEL_AVX2
             if (SkCpu::Supports(SkCpu::HSW)) { Init_Swizzler_hsw(); }
         #endif
-    #elif defined(SK_CPU_LOONGARCH)
-        #if SK_CPU_LSX_LEVEL < SK_CPU_LSX_LEVEL_LASX
-            if (SkCpu::Supports(SkCpu::LOONGARCH_ASX)) { Init_Swizzler_lasx(); }
-        #endif
     #endif
       return true;
     }
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/chromium/third_party/swiftshader/third_party/llvm-10.0/BUILD.gn b/src/3rdparty/chromium/third_party/swiftshader/third_party/llvm-10.0/BUILD.gn
--- a/src/3rdparty/chromium/third_party/swiftshader/third_party/llvm-10.0/BUILD.gn	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/chromium/third_party/swiftshader/third_party/llvm-10.0/BUILD.gn	2000-01-01 00:00:00.000000000 +0800
@@ -156,6 +156,8 @@ swiftshader_llvm_source_set("swiftshader
     deps += [ ":swiftshader_llvm_ppc" ]
   } else if (current_cpu == "riscv64") {
     deps += [ ":swiftshader_llvm_riscv64" ]
+  } else if (current_cpu == "loong64") {
+    # swiftshader unused in qt6-webengine
   } else if (current_cpu == "x86" || current_cpu == "x64") {
     deps += [ ":swiftshader_llvm_x86" ]
   } else {
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/3rdparty/gn/src/util/sys_info.cc b/src/3rdparty/gn/src/util/sys_info.cc
--- a/src/3rdparty/gn/src/util/sys_info.cc	2000-01-01 00:00:00.000000000 +0800
+++ b/src/3rdparty/gn/src/util/sys_info.cc	2000-01-01 00:00:00.000000000 +0800
@@ -73,6 +73,8 @@ std::string OperatingSystemArchitecture(
     arch = "x86_64";
   } else if (arch == "amd64") {
     arch = "x86_64";
+  } else if (arch == "loongarch64") {
+    arch = "loongarch64";
   } else if (os == "AIX" || os == "OS400") {
     arch = "ppc64";
   } else if (std::string(info.sysname) == "OS/390") {
diff '--color=auto' -p -X ../chromium-loongarch64/qt6-webengine/exclude -N -u -r a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
--- a/src/core/CMakeLists.txt	2000-01-01 00:00:00.000000000 +0800
+++ b/src/core/CMakeLists.txt	2000-01-01 00:00:00.000000000 +0800
@@ -608,6 +608,7 @@ target_include_directories(WebEngineCore
     ${buildDir}/$<CONFIG>/${arch}/gen/third_party/perfetto/build_config
     ${buildDir}/$<CONFIG>/${arch}/gen/base/allocator/partition_allocator/src
 )
+target_link_options(WebEngineCore PRIVATE -mno-relax)
 
 set(stamps QtWebEngineCore.stamp)
 if(QT_FEATURE_webengine_v8_context_snapshot)