[Bug target/80706] [7/8 Regression] peephole2 uses uninitialized stack variables on i686

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80706

Uroš Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
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             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |ubizjak at gmail dot com

--- Comment #12 from Uroš Bizjak <ubizjak at gmail dot com> ---
Created attachment 41339
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41339&action=edit
Patch to prevent unwanted peephole2 matching

Instead of using generic SSE move patterns, attached patch implements and uses
loaddi_via_sse and storedi_via_sse specialized patterns.

This effectively prevents unwanted peephole2 matching.