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Subject: [Bug target/104775] [9/10 Regression] Failure to assemble on s390x
 with -fsanitize=undefined
Date: Wed, 11 May 2022 06:25:34 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104775

--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Jakub Jelinek
<jakub@gcc.gnu.org>:

https://gcc.gnu.org/g:e763af00a24765a395762a2c1ccf9c55fa2fad47

commit r9-10137-ge763af00a24765a395762a2c1ccf9c55fa2fad47
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Mon Mar 7 11:14:04 2022 +0100

    s390: Fix up *cmp_and_trap_unsigned_int<mode> constraints [PR104775]

    The following testcase fails to assemble due to clgte %r6,0(%r1,%r10)
    insn not being accepted by assembler.
    My rough understanding is that in the RSY-b insn format the spot
    in other formats used for index registers is used instead for M3 what
    kind of comparison it is, so this patch follows what other similar
    instructions use for constraint (i.e. one without index register).

    2022-03-07  Jakub Jelinek  <jakub@redhat.com>

            PR target/104775
            * config/s390/s390.md (*cmp_and_trap_unsigned_int<mode>): Use
            S constraint instead of T in the last alternative.

            * gcc.target/s390/pr104775.c: New test.

    (cherry picked from commit 2472dcaa8cb9e02e902f83d419c3ee7e0f3d9041)=