[Bug target/58400] gcc for h8300 internal compiler error: insn does not satisfy its constraints at fs/ext4/mballoc.c: In function 'mb_free_blocks':

[amylaar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58400

Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |amylaar at gcc dot gnu.org

--- Comment #8 from Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org> ---
Created attachment 32285
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32285&action=edit
patch made as an example how to debug gcc

here is a patch - not regtested.
you might also consider to put the three non-constriant uses of
[satisfies_constraint_]"U" in predicates.md into a different
constraint /vpredicate.
And delete the unused fix_bit_operand,