[Bug target/114801] [14 Regression] arm: ICE in find_cached_value, at rtx-vector-builder.cc:100 with MVE intrinsics

[clyon at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114801

Christophe Lyon <clyon at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2024-04-22
             Status|UNCONFIRMED                 |ASSIGNED

--- Comment #1 from Christophe Lyon <clyon at gcc dot gnu.org> ---
The problem in function_expander::add_input_operand (arm-mve-builtins.cc) is
that x = gen_lowpart (mode, x); does not work when x is a constant.

Replacing 0xcccc with a variable in the testcase makes it compile OK.