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[Bug binutils/24700] objdump fails to reject invalid vbroadcasti32x8/vbr


From: cvs-commit at gcc dot gnu.org
Subject: [Bug binutils/24700] objdump fails to reject invalid vbroadcasti32x8/vbroadcasti64x4 encodings.
Date: Wed, 19 Jun 2019 17:02:56 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=24700

--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by H.J. Lu <address@hidden>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=f0a6222e30215d4b8ecb8124fe5ad4c3f321f8c4

commit f0a6222e30215d4b8ecb8124fe5ad4c3f321f8c4
Author: H.J. Lu <address@hidden>
Date:   Wed Jun 19 10:01:27 2019 -0700

    i386: Check vector length for EVEX broadcast instructions

    Since not all vector lengths are supported by EVEX broadcast instructions,
    decode them only with supported vector lengths.

    gas/

        PR binutils/24700
        * testsuite/gas/i386/disassem.s: Add test for vbroadcasti32x8
        with invalid vector length.
        * testsuite/gas/i386/x86-64-disassem.s: Likewise.
        * testsuite/gas/i386/disassem.d: Updated.
        * testsuite/gas/i386/x86-64-disassem.d: Likewise.

    opcodes/

        PR binutils/24700
        * i386-dis-evex.h (evex_table): Update EVEX_W_0F3819_P_2,
        EVEX_W_0F381A_P_2, EVEX_W_0F381B_P_2, EVEX_W_0F385A_P_2 and
        EVEX_W_0F385B_P_2.
        (evex_len_table): Add EVEX_LEN_0F3819_P_2_W_0,
        EVEX_LEN_0F3819_P_2_W_1, EVEX_LEN_0F381A_P_2_W_0,
        EVEX_LEN_0F381A_P_2_W_1, EVEX_LEN_0F381B_P_2_W_0,
        EVEX_LEN_0F381B_P_2_W_1, EVEX_LEN_0F385A_P_2_W_0,
        EVEX_LEN_0F385A_P_2_W_1, EVEX_LEN_0F385B_P_2_W_0 and
        EVEX_LEN_0F385B_P_2_W_1.
        * i386-dis.c (EVEX_LEN_0F3819_P_2_W_0): New enum.
        (EVEX_LEN_0F3819_P_2_W_1): Likewise.
        (EVEX_LEN_0F381A_P_2_W_0): Likewise.
        (EVEX_LEN_0F381A_P_2_W_1): Likewise.
        (EVEX_LEN_0F381B_P_2_W_0): Likewise.
        (EVEX_LEN_0F381B_P_2_W_1): Likewise.
        (EVEX_LEN_0F385A_P_2_W_0): Likewise.
        (EVEX_LEN_0F385A_P_2_W_1): Likewise.
        (EVEX_LEN_0F385B_P_2_W_0): Likewise.
        (EVEX_LEN_0F385B_P_2_W_1): Likewise.

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