From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, qemu-stable@nongnu.org
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 [thread overview]
Message-ID: <20200513163245.17915-15-richard.henderson@linaro.org> (raw)
In-Reply-To: <20200513163245.17915-1-richard.henderson@linaro.org>
Must clear the tail for AdvSIMD when SVE is enabled.
Fixes: ca40a6e6e39
Cc: qemu-stable@nongnu.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
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
next prev parent reply other threads:[~2020-05-13 16:38 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-13 16:32 [PATCH v4 00/16] target/arm: partial vector cleanup Richard Henderson
2020-05-13 16:32 ` [PATCH v4 01/16] target/arm: Create gen_gvec_[us]sra Richard Henderson
2020-05-13 16:32 ` [PATCH v4 02/16] target/arm: Create gen_gvec_{u,s}{rshr,rsra} Richard Henderson
2020-05-13 16:32 ` [PATCH v4 03/16] target/arm: Create gen_gvec_{sri,sli} Richard Henderson
2020-05-13 16:32 ` [PATCH v4 04/16] target/arm: Remove unnecessary range check for VSHL Richard Henderson
2020-05-13 16:32 ` [PATCH v4 05/16] target/arm: Tidy handle_vec_simd_shri Richard Henderson
2020-05-13 16:32 ` [PATCH v4 06/16] target/arm: Create gen_gvec_{ceq,clt,cle,cgt,cge}0 Richard Henderson
2020-05-13 16:32 ` [PATCH v4 07/16] target/arm: Create gen_gvec_{mla,mls} Richard Henderson
2020-05-13 16:32 ` [PATCH v4 08/16] target/arm: Swap argument order for VSHL during decode Richard Henderson
2020-05-13 16:32 ` [PATCH v4 09/16] target/arm: Create gen_gvec_{cmtst,ushl,sshl} Richard Henderson
2020-05-13 16:32 ` [PATCH v4 10/16] target/arm: Create gen_gvec_{uqadd, sqadd, uqsub, sqsub} Richard Henderson
2020-05-13 16:32 ` [PATCH v4 11/16] target/arm: Remove fp_status from helper_{recpe, rsqrte}_u32 Richard Henderson
2020-05-13 16:32 ` [PATCH v4 12/16] target/arm: Create gen_gvec_{qrdmla,qrdmls} Richard Henderson
2020-05-13 16:32 ` [PATCH v4 13/16] target/arm: Pass pointer to qc to qrdmla/qrdmls Richard Henderson
2020-05-13 16:32 ` Richard Henderson [this message]
2020-05-13 16:32 ` [PATCH v4 15/16] target/arm: Vectorize SABD/UABD Richard Henderson
2020-05-13 16:32 ` [PATCH v4 16/16] target/arm: Vectorize SABA/UABA Richard Henderson
2020-05-14 10:27 ` [PATCH v4 00/16] target/arm: partial vector cleanup Peter Maydell
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