blocks|key|1717637|text|你试过这个吗？|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1717638|gcc+-S+-masm=intel+test.c|code-block|syntax|javascript|1717639|未经测试，但我在这个forum中找到了它，有人声称它对他们有效。|offset|length|1717640|我刚刚在mac上尝试了一下，但失败了，所以我查看了我的手册页：|1717641|+++-masm=dialect
+++++++Output+asm+instructions+using+selected+dialect.++Supported+choices
+++++++are+intel+or+att+(the+default+one).++Darwin+does+not+support+intel.|1717642|它可能在您的平台上工作。|1717643|对于Mac+OSX：|1717644|clang%2B%2B+-S+-mllvm+--x86-asm-syntax=intel+test.cpp|1717645|来源：https://stackoverflow.com/a/11957826/950427|1717646|entityMap|0|LINK|mutability|MUTABLE|url|http://bytes.com/forum/thread215327.html|1|https://stackoverflow.com/a/11957826/950427^0|0|0|A|5|0|0|0|0|0|0|0|3|17|1|0^^$0|@$1|2|3|4|5|6|7|16|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|17|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|18|8|@]|9|@$I|19|J|1A|1|1B]]|A|$]]|$1|K|3|L|5|6|7|1C|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|1D|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|1E|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1F|8|@]|9|@]|A|$]]|$1|S|3|T|5|D|7|1G|8|@]|9|@]|A|$E|F]]|$1|U|3|V|5|6|7|1H|8|@]|9|@$I|1I|J|1J|1|1K]]|A|$]]|$1|W|3|-4|5|6|7|1L|8|@]|9|@]|A|$]]]|X|$Y|$5|Z|10|11|A|$12|13]]|14|$5|Z|10|11|A|$12|15]]]]

Have you tried this?

<pre><code>gcc -S -masm=intel test.c
</code></pre>

Untested, but I found it in this <a href="http://bytes.com/forum/thread215327.html" rel="noreferrer">forum</a> where someone claimed it worked for them.

I just tried this on the mac and it failed, so I looked in my man page:

<pre><code> -masm=dialect
 Output asm instructions using selected dialect. Supported choices
 are intel or att (the default one). Darwin does not support intel.
</code></pre>

It may work on your platform.

For Mac OSX:

<pre><code>clang++ -S -mllvm --x86-asm-syntax=intel test.cpp
</code></pre>

Source: <a href="https://stackoverflow.com/a/11957826/950427">https://stackoverflow.com/a/11957826/950427</a>

blocks|key|1717724|text|这个|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1717725|gcc+-S+-masm=intel+test.c|code-block|syntax|javascript|1717726|对我很有用。但我可以说另一种方式，尽管这与竞选gcc无关。编译可执行文件或目标代码文件，然后使用objdump以英特尔asm语法反汇编目标代码，如下所示：|1717727|+objdump+-d+--disassembler-options=intel+a.out|1717728|这可能会有帮助。|1717729|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

The

<pre><code>gcc -S -masm=intel test.c
</code></pre>

Does work with me. But i can tell another way, although this has nothing to do with running gcc. 
Compile the executable or the object code file and then disassemble the object code in Intel asm syntax with objdump as below:

<pre><code> objdump -d --disassembler-options=intel a.out
</code></pre>

This might help.

blocks|key|1502615|text|我在CPP文件中有以下代码：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1502616|#include+<conio.h>
#include+<stdio.h>
#include+<windows.h>

int+a+=+0;
int+main(int+argc,+char+*argv[])+{
++++asm("mov+eax,+0xFF");
++++asm("mov+_a,+eax");
++++printf("Result+of+a+=+%25d\n",+a);
++++getch();
++++return+0;
+};|code-block|syntax|javascript|1502617|这是使用下面的GCC命令行运行的代码：|1502618|gcc.exe+File.cpp+-masm=intel+-mconsole+-o+File.exe|1502619|它将产生*.exe文件，在我的经验中它是有效的。|1502620|Notes:
immediate+operand+must+be+use+_variable+in+global+variabel,+not+local+variable.
example:+mov+_nLength,+eax+NOT+mov+$nLength,+eax+or+mov+nLength,+eax

A+number+in+hexadecimal+format+must+use+at&t+syntax,+cannot+use+intel+syntax.
example:+mov+eax,+0xFF+->+TRUE,+mov+eax,+0FFh+->+FALSE.|1502621|就这样。|1502622|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|W|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|X|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|Y|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

I have this code in CPP file:

<pre><code>#include &lt;conio.h&gt;
#include &lt;stdio.h&gt;
#include &lt;windows.h&gt;

int a = 0;
int main(int argc, char *argv[]) {
 asm("mov eax, 0xFF");
 asm("mov _a, eax");
 printf("Result of a = %d\n", a);
 getch();
 return 0;
 };
</code></pre>

That's code worked with this GCC command line:

<pre><code>gcc.exe File.cpp -masm=intel -mconsole -o File.exe
</code></pre>

It will result *.exe file, and it worked in my experience.

<pre><code>Notes:
immediate operand must be use _variable in global variabel, not local variable.
example: mov _nLength, eax NOT mov $nLength, eax or mov nLength, eax

A number in hexadecimal format must use at&amp;t syntax, cannot use intel syntax.
example: mov eax, 0xFF -&gt; TRUE, mov eax, 0FFh -&gt; FALSE.
</code></pre>

That's all.

The <code>gcc -S</code> option will generate assembly code in AT&amp;T syntax, is there a way to generate files in Intel syntax? Or is there a way to convert between the two?

How do you use gcc to generate assembly code in Intel syntax?

gcc -S选项将生成AT&T语法的汇编代码，有没有办法生成英特尔语法的文件？或者，有没有办法在两者之间进行转换？

问如何使用gcc生成英特尔语法中的汇编代码？
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