[superh-gnu-discuss] Problem with SuperH inline assembly

[Paul Mundt]

On Wed, May 27, 2009 at 10:04:16PM +0200, N. Coesel wrote:
> I'm evaluating the SuperH package and I ran into a problem when using
> inline assembly.
> 
> I'm trying to compile the attached test.c (a small dummy program to
> reproduce the problem) but I get the an unknown opcode error on the inline
> assembly. I tried changing the isa and architecture but this has no effect.
> 
> C:\software\H8 gcc>sh-linux-gnu-gcc -Wa,-ahld -m2 test.c >test.lst
> C:\DOCUME~1\nctnico\LOCALS~1\Temp\ccohSo3P.s: Assembler messages:
> C:\DOCUME~1\nctnico\LOCALS~1\Temp\ccohSo3P.s:14: Error: unknown opcode
> C:\DOCUME~1\nctnico\LOCALS~1\Temp\ccohSo3P.s:17: Error: unknown opcode
> 
> I also attached the assembler listing. I also have some assembler files
> which have been assembled using an older version of as. These won't
> assemble either. The .h8300s directive as described in the manual is also
> not recognized. I guess the assembler is not complete.
> 
You are attempting to use H8300 assembly on SuperH, of course this will
not work, they are completely different architectures. Try your test case
with an H8 toolchain.