qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [PATCH v6 38/82] target/arm: Implement SVE2 ADDHNB, ADDHNT


From: Richard Henderson
Subject: Re: [PATCH v6 38/82] target/arm: Implement SVE2 ADDHNB, ADDHNT
Date: Wed, 12 May 2021 11:17:25 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1

On 5/12/21 10:23 AM, Peter Maydell wrote:
On Fri, 30 Apr 2021 at 22:00, Richard Henderson
<richard.henderson@linaro.org> wrote:

From: Stephen Long <steplong@quicinc.com>

Signed-off-by: Stephen Long <steplong@quicinc.com>
Message-Id: <20200417162231.10374-2-steplong@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index 572d41a26c..2dead1f056 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -2112,6 +2112,42 @@ DO_SHRNT(sve2_uqrshrnt_d, uint64_t, uint32_t,     , 
H1_4, DO_UQRSHRN_D)
  #undef DO_SHRNB
  #undef DO_SHRNT

+#define DO_BINOPNB(NAME, TYPEW, TYPEN, SHIFT, OP)                           \
+void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc)              \
+{                                                                           \
+    intptr_t i, opr_sz = simd_oprsz(desc);                                  \
+    for (i = 0; i < opr_sz; i += sizeof(TYPEW)) {                           \
+        TYPEW nn = *(TYPEW *)(vn + i);                                      \
+        TYPEW mm = *(TYPEW *)(vm + i);                                      \
+        *(TYPEW *)(vd + i) = (TYPEN)OP(nn, mm, SHIFT);                      \
+    }                                                                       \
+}

Doesn't this need H macros like the 'T' version ?

No, all memory ops are the same TYPEW column.


r~



reply via email to

[Prev in Thread] Current Thread [Next in Thread]