target/arm: Flush high bits of sve register after AdvSIMD TBL/TBX

Writes to AdvSIMD registers flush the bits above 128.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200214194643.23317-3-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 620a429..096a854 100644 (file)
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -6964,6 +6964,7 @@ static void disas_simd_tb(DisasContext *s, uint32_t insn)
     tcg_temp_free_i64(tcg_resl);
     write_vec_element(s, tcg_resh, rd, 1, MO_64);
     tcg_temp_free_i64(tcg_resh);
+    clear_vec_high(s, true, rd);
 }
 
 /* ZIP/UZP/TRN