Signed-off-by: Gleb Natapov <[email protected]>
diff --git a/x86/realmode.c b/x86/realmode.c
index f5426e0..91c93a9 100644
--- a/x86/realmode.c
+++ b/x86/realmode.c
@@ -1358,12 +1358,19 @@ static void test_movzx_movsx(void)
{
MK_INSN(movsx, "movsx %al, %ebx");
MK_INSN(movzx, "movzx %al, %ebx");
+ MK_INSN(movzsah, "movsx %ah, %ebx");
+ MK_INSN(movzxah, "movzx %ah, %ebx");
inregs.eax = 0x1234569c;
+ inregs.esp = 0xffff;
exec_in_big_real_mode(&insn_movsx);
report("movsx", R_BX, outregs.ebx == (signed char)inregs.eax);
exec_in_big_real_mode(&insn_movzx);
report("movzx", R_BX, outregs.ebx == (unsigned char)inregs.eax);
+ exec_in_big_real_mode(&insn_movzsah);
+ report("movsx ah", R_BX, outregs.ebx == (signed char)(inregs.eax>>8));
+ exec_in_big_real_mode(&insn_movzxah);
+ report("movzx ah", R_BX, outregs.ebx == (unsigned char)(inregs.eax >> 8));
}
static void test_bswap(void)
--
Gleb.
--
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