用vc2008开发64位程序，懂的请进

G-Spider

20# gxqcn VC不可以,Intel c++可以,试了一下.

1. #include <stdio.h>
2. int main()
3. {
4. _int64 a;
5. _asm
6. {
7. mov rax,0x7fff7fff7fff7fff;
8. mov qword ptr a,rax
9. }
10. printf("%I64x\n",a);
12. return 0;
13. }

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执行情况:

1. Intel Parallel Studio 2011
2. Copyright (C) 1985-2010 Intel Corporation. All rights reserved.
3. Intel Parallel Composer 2011 (package 063)
4. Setting environment for using Microsoft Visual Studio 2005 x64 cross tools.
6. Intel(R) C++ Compiler XE for applications running on Intel(R) 64, Version 12.0.0
7. .063 Build 20100721
8. Copyright (C) 1985-2010 Intel Corporation. All rights reserved.
10. icc64.c
11. Microsoft (R) Incremental Linker Version 8.00.50727.42
12. Copyright (C) Microsoft Corporation. All rights reserved.
14. -out:icc64.exe
15. icc64.obj
16. 请按任意键继续. . .
17. 7fff7fff7fff7fff
18. 请按任意键继续. . .

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静态片段:

1. ; int __cdecl main(int argc, const char **argv, const char **envp)
2. main proc near
4. var_18= qword ptr -18h
5. var_10= dword ptr -10h
7. sub rsp, 38h
8. mov ecx, 3
9. call __intel_new_proc_init
10. stmxcsr [rsp+38h+var_10]
11. or [rsp+38h+var_10], 8040h
12. ldmxcsr [rsp+38h+var_10]
13. mov rax, 7FFF7FFF7FFF7FFFh
14. mov [rsp+38h+var_18], rax
15. lea rcx, aI64x ; "%I64x\n"
16. mov rdx, [rsp+38h+var_18]
17. call printf
18. xor eax, eax
19. add rsp, 38h
20. retn
21. main endp

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G-Spider

12# liangbch Mixing x86 with x64 code