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[PATCH v4 14/16] target/arm: Clear tail in gvec_fmul_idx_*, gvec_fmla_id


From: Richard Henderson
Subject: [PATCH v4 14/16] target/arm: Clear tail in gvec_fmul_idx_*, gvec_fmla_idx_*
Date: Wed, 13 May 2020 09:32:43 -0700

Must clear the tail for AdvSIMD when SVE is enabled.

Fixes: ca40a6e6e39
Cc: address@hidden
Reviewed-by: Peter Maydell <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
 target/arm/vec_helper.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/target/arm/vec_helper.c b/target/arm/vec_helper.c
index 6aa2ca0827..a483841add 100644
--- a/target/arm/vec_helper.c
+++ b/target/arm/vec_helper.c
@@ -747,6 +747,7 @@ void HELPER(NAME)(void *vd, void *vn, void *vm, void *stat, 
uint32_t desc) \
             d[i + j] = TYPE##_mul(n[i + j], mm, stat);                     \
         }                                                                  \
     }                                                                      \
+    clear_tail(d, oprsz, simd_maxsz(desc));                                \
 }
 
 DO_MUL_IDX(gvec_fmul_idx_h, float16, H2)
@@ -771,6 +772,7 @@ void HELPER(NAME)(void *vd, void *vn, void *vm, void *va,   
               \
                                      mm, a[i + j], 0, stat);               \
         }                                                                  \
     }                                                                      \
+    clear_tail(d, oprsz, simd_maxsz(desc));                                \
 }
 
 DO_FMLA_IDX(gvec_fmla_idx_h, float16, H2)
-- 
2.20.1




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