AdvSIMD instructions are supposed to zero bits beyond 128. Affects SSHLL, USHLL, SSHLL2, USHLL2.
Cc: [email protected] Signed-off-by: Richard Henderson <[email protected]> --- target/arm/tcg/translate-a64.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index fd90752dee..d0ad6c90bc 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -10471,6 +10471,7 @@ static void handle_vec_simd_wshli(DisasContext *s, bool is_q, bool is_u, tcg_gen_shli_i64(tcg_rd, tcg_rd, shift); write_vec_element(s, tcg_rd, rd, i, size + 1); } + clear_vec_high(s, true, rd); } /* SHRN/RSHRN - Shift right with narrowing (and potential rounding) */ -- 2.43.0
