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| author | Richard Henderson | 2020-03-11 06:14:26 +0100 |
|---|---|---|
| committer | Richard Henderson | 2020-03-17 16:41:07 +0100 |
| commit | 312b426fea4d6dd322d7472c80010a8ba7a166d2 (patch) | |
| tree | 638325efa9778bcff81cf578f671bdc9690a6bc9 /accel | |
| parent | Merge remote-tracking branch 'remotes/kraxel/tags/usb-20200317-pull-request' ... (diff) | |
| download | qemu-312b426fea4d6dd322d7472c80010a8ba7a166d2.tar.gz qemu-312b426fea4d6dd322d7472c80010a8ba7a166d2.tar.xz qemu-312b426fea4d6dd322d7472c80010a8ba7a166d2.zip | |
tcg/i386: Bound shift count expanding sari_vec
A given RISU testcase for SVE can produce
tcg-op-vec.c:511: do_shifti: Assertion `i >= 0 && i < (8 << vece)' failed.
because expand_vec_sari gave a shift count of 32 to a MO_32
vector shift.
In 44f1441dbe1, we changed from direct expansion of vector opcodes
to re-use of the tcg expanders. So while the comment correctly notes
that the hw will handle such a shift count, we now have to take our
own sanity checks into account. Which is easy in this particular case.
Fixes: 44f1441dbe1
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'accel')
0 files changed, 0 insertions, 0 deletions