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From: "tschwinge at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/112363] New: GCN: 'FAIL:
 gcc.dg/vect/vect-cond-reduc-in-order-2-signed-zero.c execution test'
Date: Fri, 03 Nov 2023 07:52:10 +0000
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X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: testsuite-fail
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112363

            Bug ID: 112363
           Summary: GCN: 'FAIL:
                    gcc.dg/vect/vect-cond-reduc-in-order-2-signed-zero.c
                    execution test'
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Keywords: testsuite-fail
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: tschwinge at gcc dot gnu.org
                CC: ams at gcc dot gnu.org, jules at gcc dot gnu.org
  Target Milestone: ---
            Target: GCN

For GCN target (tested '-march=3Dgfx90a'), the
'gcc.dg/vect/vect-cond-reduc-in-order-2-signed-zero.c' recently added with
PR111401 commit r14-5076-g01c18f58d37865d5f3bbe93e666183b54ec608c7 "ifcvt/v=
ect:
Emit COND_OP for conditional scalar reduction" FAILs its execution test:

    '[...]/build-gcc/gcc/gcn-run'
'./vect-cond-reduc-in-order-2-signed-zero.exe'; echo XYZ$?ZYX
    GCN Kernel Aborted
    Kernel aborted
    XYZ134ZYX
    OK>=20
    Elapsed time: 199 ms
    FAIL: gcc.dg/vect/vect-cond-reduc-in-order-2-signed-zero.c execution te=
st

As that commit and test case does mention "signed zero", maybe that's where=
 the
problem lies?=