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| author | Joseph Burt <caseorum@gmail.com> | 2024-01-21 21:14:39 +0000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-01-23 13:32:10 +1000 |
| commit | 9f6523e8e4689cafdbed7c10b7cf7c775b5a607b (patch) | |
| tree | 14952b251f2af1ddf37a838904727544417369bd | |
| parent | 0ea731db5a0edb5b1b9038e1c0059053e20ce5d3 (diff) | |
| download | qemu-9f6523e8e4689cafdbed7c10b7cf7c775b5a607b.zip qemu-9f6523e8e4689cafdbed7c10b7cf7c775b5a607b.tar.gz qemu-9f6523e8e4689cafdbed7c10b7cf7c775b5a607b.tar.bz2 | |
tcg/arm: Fix SIGILL in tcg_out_qemu_st_direct
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: 1df6d611bdc2 ("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>
| -rw-r--r-- | tcg/arm/tcg-target.c.inc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc index fc78566..a9aa8aa 100644 --- a/tcg/arm/tcg-target.c.inc +++ b/tcg/arm/tcg-target.c.inc @@ -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); |