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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id n10sm18891677wre.95.2021.06.07.09.58.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 09:58:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6Rsk/f9XH2z8c09SGzGh+1Fe4wrjJ7bWOiZfaWKb1t0=; b=Lnw5acNAA77FaJwe5vk//7apexfmOLXlGLi7qnQCczuNAqzR/HIjVtldo9oNJ3UZEM USDx/2FCkPZp2all0U4IGLLVlu4NaOpemLTINk9tjR14OyRzauVNgJbSgIveSGFbRBEl ZAxnvdqm+ugV97Kx+Um65h4Bc7Psu3bVVyw18Me+Fzet4i8AaPiken6+7yb+kynx2rvP Zbgb1Z5728xVMIPsrML/UFQgC2iSlmtJ8qNGUTxPdDD7pbb7Utw0wSHRMF6vzxVsTp8v p9+X/WmwPu/J40CgpvIMAhamlKOua7BXCyK6SSKpYVWoJgi5IGzw5i2CFFL2zhMsmZqC vUYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=6Rsk/f9XH2z8c09SGzGh+1Fe4wrjJ7bWOiZfaWKb1t0=; b=RWj9SoJ3q6eStdy+VY3HOvzrc0P/AfGnuV1C2s+Z6EtVLvHItK/5ntrwsig/d/uOG0 BL9sTG/nptFeCEHQyhyjfK/xp0iB4B+F3nqYv6ONidYD4oSgY6qdBIyH2j0Ya6gHE/fp NzjmeE5GN10g1ltVenIRAK6CZmR/D3FQK5NHVa1W5+RV0weIAG0e3fJuYaLzQ8DYmCpD wZQwqL1IJq5bo2Rqozzznvy5exBfbGn+U98V4ciGUp4Qvm5U4FZfLJCbM466wFTixPCi zml6VJFo1epmq8P7msFdO78pu33o9DRSxsIwHP5/AXbxOE3iJ4yoJBe4Ai8J8Wn/gu0/ MI3w== X-Gm-Message-State: AOAM530ZCjN5n23GHzDmTEPF+vsrn8YhXa7gmS1pish3KfMY3qnmuXn+ 7W5iULkJb4LGnahbFh3fVV4+6Q== X-Google-Smtp-Source: ABdhPJwkUBeFcBkdzZKbeq2ZLN5lGEHyiFhDNQCuWd4fq0iaPhUZxnnLfXAk92a61eCDn9ayes9cmw== X-Received: by 2002:a5d:484b:: with SMTP id n11mr11450912wrs.34.1623085116923; Mon, 07 Jun 2021 09:58:36 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 16/55] target/arm: Implement MVE VREV16, VREV32, VREV64 Date: Mon, 7 Jun 2021 17:57:42 +0100 Message-Id: <20210607165821.9892-17-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210607165821.9892-1-peter.maydell@linaro.org> References: <20210607165821.9892-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::432; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x432.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Implement the MVE instructions VREV16, VREV32 and VREV64. Signed-off-by: Peter Maydell --- target/arm/helper-mve.h | 7 +++++++ target/arm/mve.decode | 4 ++++ target/arm/mve_helper.c | 13 +++++++++++++ target/arm/translate-mve.c | 33 +++++++++++++++++++++++++++++++++ 4 files changed, 57 insertions(+) diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h index bdd6675ea14..4c89387587d 100644 --- a/target/arm/helper-mve.h +++ b/target/arm/helper-mve.h @@ -40,3 +40,10 @@ DEF_HELPER_FLAGS_3(mve_vclsw, TCG_CALL_NO_WG, void, env,= ptr, ptr) DEF_HELPER_FLAGS_3(mve_vclzb, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vclzh, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vclzw, TCG_CALL_NO_WG, void, env, ptr, ptr) + +DEF_HELPER_FLAGS_3(mve_vrev16b, TCG_CALL_NO_WG, void, env, ptr, ptr) +DEF_HELPER_FLAGS_3(mve_vrev32b, TCG_CALL_NO_WG, void, env, ptr, ptr) +DEF_HELPER_FLAGS_3(mve_vrev32h, TCG_CALL_NO_WG, void, env, ptr, ptr) +DEF_HELPER_FLAGS_3(mve_vrev64b, TCG_CALL_NO_WG, void, env, ptr, ptr) +DEF_HELPER_FLAGS_3(mve_vrev64h, TCG_CALL_NO_WG, void, env, ptr, ptr) +DEF_HELPER_FLAGS_3(mve_vrev64w, TCG_CALL_NO_WG, void, env, ptr, ptr) diff --git a/target/arm/mve.decode b/target/arm/mve.decode index adceef91597..16ee511a5cb 100644 --- a/target/arm/mve.decode +++ b/target/arm/mve.decode @@ -70,3 +70,7 @@ VLDR_VSTR 1110110 1 a:1 . w:1 . .... ... 111110 ..= ..... @vldr_vstr \ =20 VCLS 1111 1111 1 . 11 .. 00 ... 0 0100 01 . 0 ... 0 @1op VCLZ 1111 1111 1 . 11 .. 00 ... 0 0100 11 . 0 ... 0 @1op + +VREV16 1111 1111 1 . 11 .. 00 ... 0 0001 01 . 0 ... 0 @1op +VREV32 1111 1111 1 . 11 .. 00 ... 0 0000 11 . 0 ... 0 @1op +VREV64 1111 1111 1 . 11 .. 00 ... 0 0000 01 . 0 ... 0 @1op diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c index 071c9070593..055606b905f 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -223,6 +223,12 @@ static uint32_t mask_to_bytemask4(uint16_t mask) return masks[mask & 0xf]; } =20 +static uint64_t mask_to_bytemask8(uint16_t mask) +{ + return mask_to_bytemask4(mask) | + ((uint64_t)mask_to_bytemask4(mask >> 4) << 32); +} + #define DO_1OP(OP, ESIZE, TYPE, H, FN) \ void HELPER(mve_##OP)(CPUARMState *env, void *vd, void *vm) \ { \ @@ -251,3 +257,10 @@ DO_1OP(vclsw, 4, int32_t, H4, clrsb32) DO_1OP(vclzb, 1, uint8_t, H1, DO_CLZ_B) DO_1OP(vclzh, 2, uint16_t, H2, DO_CLZ_H) DO_1OP(vclzw, 4, uint32_t, H4, clz32) + +DO_1OP(vrev16b, 2, uint16_t, H2, bswap16) +DO_1OP(vrev32b, 4, uint32_t, H4, bswap32) +DO_1OP(vrev32h, 4, uint32_t, H4, hswap32) +DO_1OP(vrev64b, 8, uint64_t, , bswap64) +DO_1OP(vrev64h, 8, uint64_t, , hswap64) +DO_1OP(vrev64w, 8, uint64_t, , wswap64) diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index 3c6897548a2..6f3d4796072 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -211,3 +211,36 @@ static bool do_1op(DisasContext *s, arg_1op *a, MVEGen= OneOpFn fn) =20 DO_1OP(VCLZ, vclz) DO_1OP(VCLS, vcls) + +static bool trans_VREV16(DisasContext *s, arg_1op *a) +{ + MVEGenOneOpFn *fns[] =3D { + gen_helper_mve_vrev16b, + NULL, + NULL, + NULL, + }; + return do_1op(s, a, fns[a->size]); +} + +static bool trans_VREV32(DisasContext *s, arg_1op *a) +{ + MVEGenOneOpFn *fns[] =3D { + gen_helper_mve_vrev32b, + gen_helper_mve_vrev32h, + NULL, + NULL, + }; + return do_1op(s, a, fns[a->size]); +} + +static bool trans_VREV64(DisasContext *s, arg_1op *a) +{ + MVEGenOneOpFn *fns[] =3D { + gen_helper_mve_vrev64b, + gen_helper_mve_vrev64h, + gen_helper_mve_vrev64w, + NULL, + }; + return do_1op(s, a, fns[a->size]); +} --=20 2.20.1