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From: "munroesj at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/106755] New: Incorrect code gen for altivec intrinsics with
 constant inputs
Date: Fri, 26 Aug 2022 14:30:02 +0000
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X-Bugzilla-Version: 12.2.1
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106755

            Bug ID: 106755
           Summary: Incorrect code gen for altivec intrinsics with
                    constant inputs
           Product: gcc
           Version: 12.2.1
            Status: UNCONFIRMED
          Severity: blocker
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: munroesj at gcc dot gnu.org
  Target Milestone: ---

Created attachment 53514
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D53514&action=3Dedit
Reducted test case for vec_muludq() with make

Compiling the PVECLIB project V1.0.4-4 fails unit test (make check) when
compiled with GCC 12 on Fedora 36/37.

Two units test for:
Vector Multiply Unsigned Double Quadword. vec_muludq()
and
Vector Multiply-Add Unsigned Quadword. vec_madduq()

The tests that fail are passing local vector constants to in-lined instants=
 of
these functions.

Current status; the PVECLIB package is blocked for Fedora 37 because it will
not compile with the default GCC-12 compiler.=