[Bug target/72853] gcc/testsuite/gcc.c-torture/execute/20021120-1.c generates incorrect stxssp op with -mcpu=power9

[meissner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72853

--- Comment #2 from Michael Meissner <meissner at gcc dot gnu.org> ---
Created attachment 39090
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39090&action=edit
Proposed patch to fix the problem

Alan mixed up the stxsspx and stxssp alternatives.  I haven't yet done the
bootstrap and make check on this patch.