From 35358d573bccd0776e55187564ccd6c72c9f9c34 Mon Sep 17 00:00:00 2001 From: iximeow Date: Fri, 27 Mar 2026 06:32:04 +0000 Subject: push/pop for segment registers has implicit memory access --- test/protected_mode/operand.rs | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'test/protected_mode') diff --git a/test/protected_mode/operand.rs b/test/protected_mode/operand.rs index fe9b54a..70dcadb 100644 --- a/test/protected_mode/operand.rs +++ b/test/protected_mode/operand.rs @@ -55,4 +55,12 @@ fn test_implied_memory_width() { assert_eq!(mem_size_of(&[0xc9]), Some(4)); // xlat assert_eq!(mem_size_of(&[0xd7]), Some(1)); + // push fs + assert_eq!(mem_size_of(&[0x0f, 0xa0]), Some(4)); + // pop fs + assert_eq!(mem_size_of(&[0x0f, 0xa1]), Some(4)); + // push gs + assert_eq!(mem_size_of(&[0x0f, 0xa8]), Some(4)); + // pop gs + assert_eq!(mem_size_of(&[0x0f, 0xa9]), Some(4)); } -- cgit v1.1