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Subject: [Bug target/104775] [9/10/11/12 Regression] Failure to assemble on
 s390x with -fsanitize=undefined
Date: Mon, 07 Mar 2022 10:15:15 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104775

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jakub Jelinek <jakub@gcc.gnu.org>:

https://gcc.gnu.org/g:2472dcaa8cb9e02e902f83d419c3ee7e0f3d9041

commit r12-7513-g2472dcaa8cb9e02e902f83d419c3ee7e0f3d9041
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.=