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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/87560] ICE in curr_insn_transform, at
 lra-constraints.c:3892
Date: Fri, 13 Mar 2020 09:10:13 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D87560

--- Comment #12 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
commit r9-8370-gde8e3b71c8bec6dde60e6ee70c73d6895c67d782
Author: Bill Schmidt <wschmidt@linux.ibm.com>
Date:   Thu Mar 12 15:28:50 2020 -0500

    rs6000: Fix -mpower9-vector -mno-altivec ICE (PR87560)

    PR87560 reports an ICE when a test case is compiled with -mpower9-vector
    and -mno-altivec.  This patch terminates compilation with an error when
    this combination (and other unreasonable ones) are requested.

    Bootstrapped and tested on powerpc64le-unknown-linux-gnu with no
    regressions.  Reported error is now:

    f951: Error: '-mno-altivec' turns off '-mpower9-vector'

    2020-03-12  Bill Schmidt  <wschmidt@linux.ibm.com>

            Backport from master
            2020-03-02  Bill Schmidt  <wschmidt@linux.ibm.com>

            PR target/87560
            * rs6000-cpus.def (OTHER_ALTIVEC_MASKS): New #define.
            * rs6000.c (rs6000_disable_incompatible_switches): Add table en=
try
            for OPTION_MASK_ALTIVEC.=