[Bug target/94710] [8/9 Regression] Assembler messages: Error: operand out of range (4 is not between 0 and 3) (xxsldwi 0,32,33,4)

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94710

--- Comment #13 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Segher Boessenkool
<segher@gcc.gnu.org>:

https://gcc.gnu.org/g:336b4100940a9db7825b96d450a21040ae11b7b9

commit r9-8915-g336b4100940a9db7825b96d450a21040ae11b7b9
Author: Segher Boessenkool <segher@kernel.crashing.org>
Date:   Fri Apr 24 13:33:14 2020 +0000

    rs6000: Properly handle LE index munging in vec_shr (PR94710)

    The PR shows the compiler crashing with -mvsx -mlittle -O0.  This turns
    out to be caused by a failure to make of the higher bits in an index
    endian conversion.

    2020-04-24  Segher Boessenkool  <segher@kernel.crashing.org>

            PR target/94710
            * config/rs6000/vector.md (vec_shr_<mode> for VEC_L): Correct
little
            endian byteshift_val calculation.

    (cherry picked from commit 9c725245beed2f056b67f5dc218fef6cb869c5f2)