[LLVMdev] Feature request for include llvm-mc in llvm.org/builds

[Reid Kleckner]

Ah, so clang only understands the spelling mingw32, not mingw.  That'll
give you COFF.  :)


On Mon, Oct 21, 2013 at 11:23 AM, Reid Kleckner <rnk at google.com> wrote:

> I can confirm I get the same behavior, and that's a real bug.  If you use
> --target=i686-pc-win32, you get COFF, and that should be a good workaround
> for now.  There must be a conditional somewhere that isn't handling mingw
> correctly.
>
>
> On Sat, Oct 19, 2013 at 7:58 AM, 罗勇刚(Yonggang Luo) <luoyonggang at gmail.com>wrote:
>
>> 2013/10/19 Rafael Espíndola <rafael.espindola at gmail.com>:
>> > On 19 October 2013 06:01, 罗勇刚(Yonggang Luo) <luoyonggang at gmail.com>
>> wrote:
>> >> I found that access llvm-mc from clang driver is impossible, and I
>> >> want to use llvm-mc to compile assembly files, how to do that?
>> >
>> > Try "clang -integrated-as -c test.s"
>>
>> Thank you very much, I use the following command compiled successfully:
>> clang  -integrated-as -c -v --target=i686-pc-mingw sqrt.s
>>
>>
>> The output format is file format ELF32-i386, i wanna to know
>> is there a way to output COFF format along with target=i686-pc-mingw.
>> because I want to compile to following asm file for both linux/gcc and
>> windows/visual C++.
>>
>> .global sqrt
>> .type sqrt, at function
>> sqrt: fldl 4(%esp)
>> fsqrt
>> fstsw %ax
>> sub $12,%esp
>> fld %st(0)
>> fstpt (%esp)
>> mov (%esp),%ecx
>> and $0x7ff,%ecx
>> cmp $0x400,%ecx
>> jnz 1f
>> and $0x200,%eax
>> sub $0x100,%eax
>> sub %eax,(%esp)
>> fstp %st(0)
>> fldt (%esp)
>> 1: add $12,%esp
>> fstpl 4(%esp)
>> fldl 4(%esp)
>> ret
>>
>> >
>> > Cheers,
>> > Rafael
>>
>>
>>
>> --
>>          此致
>> 礼
>> 罗勇刚
>> Yours
>>     sincerely,
>> Yonggang Luo
>>
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>>
>
>
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