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Re: [PULL 09/11] target/i386: Fix BEXTR instruction
From: |
Michael Tokarev |
Subject: |
Re: [PULL 09/11] target/i386: Fix BEXTR instruction |
Date: |
Fri, 10 Feb 2023 13:23:14 +0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 |
08.02.2023 20:19, Paolo Bonzini wrote:
From: Richard Henderson <richard.henderson@linaro.org>
There were two problems here: not limiting the input to operand bits,
and not correctly handling large extraction length.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1372
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230114230542.3116013-3-richard.henderson@linaro.org>
Cc: qemu-stable@nongnu.org
Fixes: 1d0b926150e5 ("target/i386: move scalar 0F 38 and 0F 3A instruction to new
decoder", 2022-10-18)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
FWIW, for -stable, previous patch is needed too
(08/11 tests/tcg/i386: Introduce and use reg_t consistently)
or else changes for tests/tcg/i386/test-i386-bmi2.c don't apply.
/mjt