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Subject: [Bug target/96506] ICE when using an MMA type as a function param
Date: Thu, 13 Aug 2020 18:43:04 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96506

--- Comment #2 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:0ad7e730c142ef6cd0ddc1491a89a7f330caa887

commit r11-2692-g0ad7e730c142ef6cd0ddc1491a89a7f330caa887
Author: Peter Bergner <bergner@linux.ibm.com>
Date:   Thu Aug 13 13:40:39 2020 -0500

    rs6000: ICE when using an MMA type as a function param or return value
[PR96506]

    PR96506 shows a problem where we ICE on illegal usage, namely using MMA
    types for function arguments and return values.  The solution is to flag
    these illegal usages as errors early, before we ICE.

    2020-08-13  Peter Bergner  <bergner@linux.ibm.com>

    gcc/
            PR target/96506
            * config/rs6000/rs6000-call.c (rs6000_promote_function_mode):
Disallow
            MMA types as return values.
            (rs6000_function_arg): Disallow MMA types as function arguments.

    gcc/testsuite/
            PR target/96506
            * gcc.target/powerpc/pr96506.c: New test.=