问为啥我这汇编代码报错too many memory references for 'mov'裂开%%？

#;CodeBlocks环境：

.intel_syntax

.data

msg: .asciz "Hello,GNU Assembler!\n"

.text

.global _main

_main:

push ebp

mov ebp,esp

push offset msg

call _printf

mov eax,0

leave

ret

.end