diff --git a/asm_ppc64.s b/asm_ppc64.s
new file mode 100644
index 0000000..6291d30
--- /dev/null
+++ b/asm_ppc64.s
@@ -0,0 +1,7 @@
+#include "textflag.h"
+#include "go_asm.h"
+
+TEXT ·GetG(SB), NOSPLIT, $0-8
+    MOVD    g, R8
+    MOVD    R8, ret+0(FP)
+    RET
diff --git a/asm_s390x.s b/asm_s390x.s
new file mode 100644
index 0000000..6291d30
--- /dev/null
+++ b/asm_s390x.s
@@ -0,0 +1,7 @@
+#include "textflag.h"
+#include "go_asm.h"
+
+TEXT ·GetG(SB), NOSPLIT, $0-8
+    MOVD    g, R8
+    MOVD    R8, ret+0(FP)
+    RET