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[Bug gas/23192] aarch64: indexed fcmla doesn't support all registers


From: cvs-commit at gcc dot gnu.org
Subject: [Bug gas/23192] aarch64: indexed fcmla doesn't support all registers
Date: Thu, 12 Jul 2018 09:43:02 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=23192

--- Comment #5 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Tamar Christina
<address@hidden>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=45a28947f3fe5693560e9a1d6373807a9e82c04a

commit 45a28947f3fe5693560e9a1d6373807a9e82c04a
Author: Tamar Christina <address@hidden>
Date:   Thu Jul 12 10:28:46 2018 +0100

    Add remainder of Em16 restrictions for AArch64 gas.

    This adds the missing Em16 constraints the rest of the instructions
requiring them
    and also adds a testcase to test all the instructions so these are checked
from
    now on.

    The Em16 operand constrains the valid registers to the lower 16 registers
when used
    with a half precision qualifier.

    The list has been cross checked (by hand) through the Arm ARM version Ca.

    opcodes/

        PR binutils/23192
        * aarch64-tbl.h (sqdmlal, sqdmlal2, smlsl, smlsl2, sqdmlsl, sqdmlsl2,
        mul, smull, smull2, sqdmull, sqdmull2, sqdmulh, sqrdmulh, mla, umlal,
        umlal2, mls, umlsl, umlsl2, umull, umull2, sqdmlal, sqdmlsl, sqdmull,
        sqdmulh, sqrdmulh): Use Em16.

    gas/

        PR binutils/23192
        * testsuite/gas/aarch64/illegal-by-element.s: New.
        * testsuite/gas/aarch64/illegal-by-element.d: New.
        * testsuite/gas/aarch64/illegal-by-element.l: New.

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