[Bug middle-end/70434] [5/6 Regression] adding an extraneous cast to vector type results in inferior code

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70434

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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  Attachment #38128|0                           |1
        is obsolete|                            |

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 38129
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38129&action=edit
alternate patch

Patch always using the ARRAY_REF <VIEW_CONVERT_EXPR <..>> path and adding the
folding back to BIT_FIELD_REFs.  This folding happens already during
gimplification where we fold most assigns.