Re: [linux-next:master 5904/8679] <instantiation>:7:11: error: expected an immediate

[Thomas Bogendoerfer <tsbogend@alpha.franken.de>]

On Thu, May 08, 2025 at 05:43:08PM +0100, Nathan Chancellor wrote:
> On Wed, May 07, 2025 at 01:49:02PM +0800, kernel test robot wrote:
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> > head:   0a00723f4c2d0b273edd0737f236f103164a08eb
> > commit: 56651128e2fbad80f632f388d6bf1f39c928267a [5904/8679] MIPS: Fix idle VS timer enqueue
> > config: mips-gpr_defconfig (https://download.01.org/0day-ci/archive/20250507/202505071331.Z0N2eSkr-lkp@intel.com/config)
> > compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250507/202505071331.Z0N2eSkr-lkp@intel.com/reproduce)
> > 
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <lkp@intel.com>
> > | Closes: https://lore.kernel.org/oe-kbuild-all/202505071331.Z0N2eSkr-lkp@intel.com/
> > 
> > All errors (new ones prefixed by >>):
> > 
> > >> <instantiation>:7:11: error: expected an immediate
> >     ori $26, r4k_wait_idle_size - 2
> >              ^
> >    <instantiation>:10:13: error: expected an immediate
> >     addiu $26, r4k_wait_exit - r4k_wait_insn + 2
> >                ^
> >    <instantiation>:10:29: error: expected an immediate
> >     addiu $26, r4k_wait_exit - r4k_wait_insn + 2
> >                                ^
> > >> <instantiation>:7:11: error: expected an immediate
> >     ori $26, r4k_wait_idle_size - 2
> >              ^
> >    <instantiation>:10:13: error: expected an immediate
> >     addiu $26, r4k_wait_exit - r4k_wait_insn + 2
> >                ^
> >    <instantiation>:10:29: error: expected an immediate
> >     addiu $26, r4k_wait_exit - r4k_wait_insn + 2
> >                                ^
> 
> I do not see this with tip of tree LLVM. It seems this was only recently
> supported in the integrated assembler:
> 
> https://github.com/llvm/llvm-project/commit/b65e0947cade9bd39036a7700b54c1df4ec00756

cool

> If it is not easy to work around, we can probably just leave it broken
> and tell anybody who notices to upgrade their compiler.

I wrapped my head around it today, but no idea how to solve it...

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]