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target/s390x: Fix translator_fake_ld length

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The ilen value extracted from ex_value is the length of the
EXECUTE instruction itself, and so is the increment to the pc.
However, the length of the synthetic insn is located in the
opcode like all other instructions.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-04-03 07:39:31 -10:00
parent 4c6163eaf2
commit 171ce93981
1 changed files with 2 additions and 2 deletions
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4
target/s390x/tcg/translate.c
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@ -6200,11 +6200,11 @@ static const DisasInsn *extract_insn(CPUS390XState *env, DisasContext *s)
/* Extract the values saved by EXECUTE. */
insn = s->ex_value & 0xffffffffffff0000ull;
ilen = s->ex_value & 0xf;
op = insn >> 56;
/* Register insn bytes with translator so plugins work. */
be_insn = cpu_to_be64(insn);
translator_fake_ld(&s->base, &be_insn, ilen);
op = insn >> 56;
translator_fake_ld(&s->base, &be_insn, get_ilen(op));
} else {
insn = ld_code2(env, s, pc);
op = (insn >> 8) & 0xff;