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[PATCH 3/4] target/arm: Flush high bits of sve register after AdvSIMD ZI


From: Richard Henderson
Subject: [PATCH 3/4] target/arm: Flush high bits of sve register after AdvSIMD ZIP/UZP/TRN
Date: Fri, 14 Feb 2020 11:46:42 -0800

Writes to AdvSIMD registers flush the bits above 128.

Signed-off-by: Richard Henderson <address@hidden>
---
 target/arm/translate-a64.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 096a854aed..b83d09dbcd 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -7054,6 +7054,7 @@ static void disas_simd_zip_trn(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);
 }
 
 /*
-- 
2.20.1




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