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[PATCH v3 14/16] target/arm: Clear tail in gvec_fmul_idx_*, gvec_fmla_id
From: |
Richard Henderson |
Subject: |
[PATCH v3 14/16] target/arm: Clear tail in gvec_fmul_idx_*, gvec_fmla_idx_* |
Date: |
Fri, 8 May 2020 08:21:58 -0700 |
Must clear the tail for AdvSIMD when SVE is enabled.
Fixes: ca40a6e6e39
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
- [PATCH v3 04/16] target/arm: Remove unnecessary range check for VSHL, (continued)
- [PATCH v3 04/16] target/arm: Remove unnecessary range check for VSHL, Richard Henderson, 2020/05/08
- [PATCH v3 05/16] target/arm: Tidy handle_vec_simd_shri, Richard Henderson, 2020/05/08
- [PATCH v3 08/16] target/arm: Swap argument order for VSHL during decode, Richard Henderson, 2020/05/08
- [PATCH v3 07/16] target/arm: Create gen_gvec_{mla,mls}, Richard Henderson, 2020/05/08
- [PATCH v3 13/16] target/arm: Pass pointer to qc to qrdmla/qrdmls, Richard Henderson, 2020/05/08
- [PATCH v3 14/16] target/arm: Clear tail in gvec_fmul_idx_*, gvec_fmla_idx_*,
Richard Henderson <=
- [PATCH v3 15/16] target/arm: Vectorize SABD/UABD, Richard Henderson, 2020/05/08
- [PATCH v3 10/16] target/arm: Create gen_gvec_{uqadd, sqadd, uqsub, sqsub}, Richard Henderson, 2020/05/08
- [PATCH v3 06/16] target/arm: Create gen_gvec_{ceq,clt,cle,cgt,cge}0, Richard Henderson, 2020/05/08
- [PATCH v3 09/16] target/arm: Create gen_gvec_{cmtst,ushl,sshl}, Richard Henderson, 2020/05/08
- [PATCH v3 11/16] target/arm: Remove fp_status from helper_{recpe, rsqrte}_u32, Richard Henderson, 2020/05/08