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[Bug gas/31606] [2.43 Regression] "shld %rsi,%rdx,%rax" no longer works


From: cvs-commit at gcc dot gnu.org
Subject: [Bug gas/31606] [2.43 Regression] "shld %rsi,%rdx,%rax" no longer works
Date: Sat, 06 Apr 2024 12:07:49 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=31606

--- Comment #3 from Sourceware Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by H.J. Lu <hjl@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=cca46dea4d09fc9d9896e952242b3e8f5baa506a

commit cca46dea4d09fc9d9896e952242b3e8f5baa506a
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Sat Apr 6 05:02:56 2024 -0700

    Revert "x86: Restore APX shift-double instructions with omitted shift
count"

    This reverts commit c2d698fe03a6092d58a07de96068b87836daced0.

    GCC 14 has been changed to use explicit shift count in shift-double
    instructions by the commit:

    06a7e7514af x86: Use explicit shift count in double-precision shifts

    gas/

            PR gas/31606
            * testsuite/gas/i386/x86-64-apx-ndd-wig.d: Updated.
            * testsuite/gas/i386/x86-64-apx-ndd.d: Likewise.
            * testsuite/gas/i386/x86-64-apx-ndd.s: Remove tests for APX
            shift-double instructions with omitted shift count.

    opcodes/

            PR gas/31606
            * i386-opc.tbl: Remove APX shift-double instructions with
            omitted shift count.
            * i386-tbl.h: Regenerated.

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