DUP (indexed) can duplicate 128-bit elements, so using esz
unconditionally can assert in tcg_gen_gvec_dup_imm.
Fixes: 8711e71f9cbb
Reported-by: Laurent Desnogues <laurent.desnog...@gmail.com>
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
target/arm/translate-sve.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index c8649283be..83614e9e70 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -2044,7 +2044,11 @@ static bool trans_DUP_x(DisasContext *s, arg_DUP_x *a)
unsigned nofs = vec_reg_offset(s, a->rn, index, esz);
tcg_gen_gvec_dup_mem(esz, dofs, nofs, vsz, vsz);
} else {
- tcg_gen_gvec_dup_imm(esz, dofs, vsz, vsz, 0);
+ /*
+ * While dup_mem handles 128-bit elements, dup_imm does not.
+ * Thankfully element size doesn't matter for splatting zero.
+ */
+ tcg_gen_gvec_dup_imm(MO_64, dofs, vsz, vsz, 0);
}
}
return true;
--
2.20.1
