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tcg/arm: Fix SIGILL in tcg_out_qemu_st_direct

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When tcg_out_qemu_st_{index,direct} were merged, the direct case for
MO_64 was omitted, causing qemu_st_i64 to be encoded as 0xffffffff due
to underflow when adding h.base and h.index.

Fixes: 1df6d611bd ("tcg/arm: Introduce HostAddress")
Signed-off-by: Joseph Burt <caseorum@gmail.com>
Message-Id: <20240121211439.100829-1-caseorum@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Joseph Burt 2024-01-21 21:14:39 +00:00 • committed by Richard Henderson
parent 0ea731db5a
commit 9f6523e8e4
1 changed files with 3 additions and 0 deletions
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3
tcg/arm/tcg-target.c.inc
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@ -1662,6 +1662,9 @@ static void tcg_out_qemu_st_direct(TCGContext *s, MemOp opc, TCGReg datalo,
} else {
tcg_out_strd_r(s, h.cond, datalo, h.base, h.index);
}
} else if (h.index < 0) {
tcg_out_st32_12(s, h.cond, datalo, h.base, 0);
tcg_out_st32_12(s, h.cond, datahi, h.base, 4);
} else if (h.index_scratch) {
tcg_out_st32_rwb(s, h.cond, datalo, h.index, h.base);
tcg_out_st32_12(s, h.cond, datahi, h.index, 4);