[Bug middle-end/94703] Small-sized memcpy leading to unnecessary register spillage unless done through a dummy union

[ro at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94703

Rainer Orth <ro at gcc dot gnu.org> changed:

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

--- Comment #7 from Rainer Orth <ro at gcc dot gnu.org> ---
Created attachment 48483
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48483&action=edit
32-bit sparc-sun-solaris2.11 pr94703.c.021t.ssa

The new testcase FAILs on sparc-sun-solaris2.11 (both 32 and 64-bit):

+FAIL: gcc.dg/tree-ssa/pr94703.c scan-tree-dump ssa "No longer having address
taken: r"