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Subject: [Bug target/101849] MMA built-in dies with a verify_gimple failed
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Date: Thu, 19 Aug 2021 22:34:42 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101849

--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Peter Bergner <bergner@gcc.gnu.org>:

https://gcc.gnu.org/g:b0963c4379becafaebd8e52b0b42698ff151c293

commit r12-3034-gb0963c4379becafaebd8e52b0b42698ff151c293
Author: Peter Bergner <bergner@linux.ibm.com>
Date:   Thu Aug 19 17:33:29 2021 -0500

    rs6000: Fix ICE expanding lxvp and stxvp gimple built-ins [PR101849]

    PR101849 shows we ICE on a test case when we pass a non __vector_pair *
    pointer to the __builtin_vsx_lxvp and __builtin_vsx_stxvp built-ins
    that is cast to __vector_pair *.  The problem is that when we expand
    the built-in, the cast has already been removed from gimple and we are
    only given the base pointer.  The solution used here (which fixes the I=
CE)
    is to catch this case and convert the pointer to a __vector_pair * poin=
ter
    when expanding the built-in.

    2021-08-19  Peter Bergner  <bergner@linux.ibm.com>

    gcc/
            PR target/101849
            * config/rs6000/rs6000-call.c (rs6000_gimple_fold_mma_builtin):
Cast
            pointer to __vector_pair *.

    gcc/testsuite/
            PR target/101849
            * gcc.target/powerpc/pr101849.c: New test.=