Test for mov [mem], sreg

tests/nasm/mov_sreg.asm

@@ -0,0 +1,21 @@
+global _start
+
+section .data
+    align 16
+mydword:
+    dd  0
+
+%include "header.inc"
+
+    ; 32-bit register move should set higher bits to zero
+    mov eax, -1
+    mov eax, ss
+    and eax, 0xffff0000
+
+    ; 32-bit memory move should preserver higher bits
+    mov dword [mydword], 0xdeadbeef
+    mov [mydword], ss
+    mov ebx, [mydword]
+    and ebx, 0xffff0000
+
+%include "footer.inc"