[radeon-alex:amd-staging-dkms-4.18 1311/1379] ERROR: "__umoddi3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!

[kbuild test robot]

tree:   git://people.freedesktop.org/~agd5f/linux.git amd-staging-dkms-4.18
head:   937a0a9df97d4c1c7cecf6faa2f501d175bc3c2a
commit: 04ba02775992499651c3dcf684f6fd235092dd0b [1311/1379] Revert "drm/amdgpu: add amdgpu_vm_entries_mask v2"
config: i386-randconfig-i0-201841 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        git checkout 04ba02775992499651c3dcf684f6fd235092dd0b
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

>> ERROR: "__umoddi3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!

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