x86 Darwin returns structs of size 1, 2, 4, and 8 in registers (#876)

diff --git a/src/x86/ffi.c b/src/x86/ffi.c
index 8b53f73e7cd476303dc71ab54d0c11e13602d592..6862533f282a296ad7283430b4a99117df98512f 100644 (file)
--- a/src/x86/ffi.c
+++ b/src/x86/ffi.c
@@ -118,7 +118,7 @@ ffi_prep_cif_machdep(ffi_cif *cif)
       break;
     case FFI_TYPE_STRUCT:
       {
-#ifdef X86_WIN32
+#if defined(X86_WIN32) || defined(X86_DARWIN)
         size_t size = cif->rtype->size;
         if (size == 1)
           flags = X86_RET_STRUCT_1B;