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target/i386: Fix decode of cr8

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A recent cleanup did not recognize that there are two ways
to encode cr8: one via the LOCK and the other via REX.

Fixes: 7eff2e7c
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/380
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210602035511.96834-1-richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Richard Henderson 2021-06-01 20:55:11 -07:00 committed by Paolo Bonzini
parent 1b627f389f
commit e18a6ec8c4
1 changed files with 1 additions and 0 deletions
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target/i386/tcg/translate.c
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@ -8091,6 +8091,7 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
case 2: case 2:
case 3: case 3:
case 4: case 4:
case 8:
break; break;
default: default:
goto unknown_op; goto unknown_op;