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Subject: [Bug target/99813] [11 Regression] SVE: Invalid assembly at -O3
 (multiplier out of range in incb instruction)
Date: Wed, 31 Mar 2021 08:48:09 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99813

--- Comment #7 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:c001c194a2f73fb32461b597e91a35f9bbcf4414

commit r11-7924-gc001c194a2f73fb32461b597e91a35f9bbcf4414
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Wed Mar 31 10:46:01 2021 +0200

    aarch64: Fix up *add<mode>3_poly_1 [PR99813]

    As mentioned in the PR, Uai constraint stands for
    aarch64_sve_scalar_inc_dec_immediate
    while Uav for
    aarch64_sve_addvl_addpl_immediate.
    Both *add<mode>3_aarch64 and *add<mode>3_poly_1 patterns use
      * return aarch64_output_sve_scalar_inc_dec (operands[2]);
      * return aarch64_output_sve_addvl_addpl (operands[2]);
    in that order, but the former with Uai,Uav order, while the
    latter with Uav,Uai instead.  This patch swaps the constraints
    so that they match the output.

    Co-authored-by: Richard Sandiford <richard.sandiford@arm.com>

    2021-03-31  Jakub Jelinek  <jakub@redhat.com>
                Richard Sandiford  <richard.sandiford@arm.com>

            PR target/99813
            * config/aarch64/aarch64.md (*add<mode>3_poly_1): Swap Uai and =
Uav
            constraints on operands[2] and similarly 0 and rk constraints
            on operands[1] corresponding to that.

            * g++.target/aarch64/sve/pr99813.C: New test.=