diff --git a/lib/compiler_rt/clear_cache.zig b/lib/compiler_rt/clear_cache.zig index 5e5f20292849..0ec36c5eb9f5 100644 --- a/lib/compiler_rt/clear_cache.zig +++ b/lib/compiler_rt/clear_cache.zig @@ -28,6 +28,10 @@ fn clear_cache(start: usize, end: usize) callconv(.C) void { .aarch64, .aarch64_be => true, else => false, }; + const loongarch64 = switch (arch) { + .loongarch64 => true, + else => false, + }; const mips = switch (arch) { .mips, .mipsel, .mips64, .mips64el => true, else => false, @@ -159,6 +163,12 @@ fn clear_cache(start: usize, end: usize) callconv(.C) void { // On Darwin, sys_icache_invalidate() provides this functionality sys_icache_invalidate(start, end - start); exportIt(); + } else if (os == .linux and loongarch64) { + // See: https://github.com/llvm/llvm-project/blob/cf54cae26b65fc3201eff7200ffb9b0c9e8f9a13/compiler-rt/lib/builtins/clear_cache.c#L94-L95 + asm volatile ( + \\ ibar 0 + ); + exportIt(); } }