diff --git a/libass/meson.build b/libass/meson.build
index 9eda958..cf057b9 100644
--- a/libass/meson.build
+++ b/libass/meson.build
@@ -92,6 +92,28 @@ if enable_asm
 
     if asm_is_nasm
         libass_src += asm_sources
+    elif asm_is_clang
+        clang = find_program('clang')
+        foreach asm_source : asm_sources
+            asm_output = fs.stem(asm_source.full_path()) + '.obj'
+            libass_src += custom_target(
+                asm_output,
+                input: asm_source,
+                output: asm_output,
+                depends: config_h,
+                command: [
+                    clang,
+                ] + asm_clang_args + [
+                    '-I' + meson.project_build_root(),
+                    '-I' + meson.current_source_dir(),
+                ] + asm_args + [
+                    '-c',
+                    '@INPUT@',
+                    '-o',
+                    '@OUTPUT@',
+                ],
+            )
+        endforeach
     else
         asm_lib = static_library(
             'ass_asm',
diff --git a/meson.build b/meson.build
index 91a0435..5b4c568 100644
--- a/meson.build
+++ b/meson.build
@@ -246,7 +246,9 @@ endif
 enable_asm = false
 # used in libass/meson.build
 asm_is_nasm = false
+asm_is_clang = false
 asm_args = []
+asm_clang_args = []
 
 # ASM architecture variables
 asm_option = get_option('asm')
@@ -322,6 +324,10 @@ if not asm_option.disabled()
         conf.set('ARCH_AARCH64', 1)
         if host_system == 'darwin'
             asm_args += '-DPREFIX'
+        elif host_system == 'windows' and cc.get_argument_syntax() == 'msvc' and cc.get_id() != 'clang-cl'
+            # MSVC cannot compile GNU-style AArch64 .S sources.
+            asm_is_clang = true
+            asm_clang_args += '--target=arm64-pc-windows-msvc'
         endif
     else
         warning(