[cfe-dev] clang sparc backend

[James Y Knight via cfe-dev]

The sparc integrated assembler does generally work, you can enable with
-fintegrated-as. IIRC, it was disabled by default because there's some edge
cases it didn't handle, but I don't remember the details.

On Fri, May 1, 2020 at 5:32 AM David Chisnall via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

> Hi,
>
> It sounds as if the sparc back end is not using the integrated assembler
> and so it will call out to the default assembler for your toolchain.
> Because you have not specified a -B option, the default search path will
> be /usr/bin, where it is finding an assembler.  This assembler,
> unfortunately, cannot handle SPARC assembly (it sounds as if it's an
> x86-64 build of gas).
>
> If you want to assemble the output from clang, you will need to install
> a SPARC assembler (and, for it to be useful, also install a SPARC
> linker) and specify -B {path/to/tools} in the flags that you pass to clang.
>
> David
>
> On 01/05/2020 07:40, suyash singh via cfe-dev wrote:
> > does clang support sparc backend?
> > I tried " clang -target sparc " to compile a simple c program on
> > ubuntu(x86_64), clang detects sparc as a valid target but does not work
> > with it.
> >
> > /usr/bin/as: unrecognized option '-Av8'
> > clang-11: error: assembler command failed with exit code 1
> >
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