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[83.57.175.68]) by smtp.gmail.com with ESMTPSA id h18sm5547186wmm.30.2021.02.14.10.01.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Feb 2021 10:01:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=KD7zKDAIpqYvoyadZCB9BrYro5MBJJgbdXFdh49s7K8=; b=nDBax0z5FE+J5ZLC30dbZRhed3FoCQCMk9KsIXuVBKjChLwOC3OSMnZ3L2Sc6bAPvX KXzQblzF74HrfuhQI5HV1mVJAYRSuXiyr5lq7j3IKY6VDoi/zZ8ZZO0yqOL0f6ZrdwFh XyHHOl3gr7WS84hK4D653x3RID+AGbD9LWDPDOkWDVdQAHgmeu+P3NAGGD/Iqmxku81i uXtYbxXFKMPYfZzjEsbQDF+QnfMs/IOAvfpZo2SYeQkNv/uhj9E/IcYcYme22GsBpGMw qE0YpxvkzPZ/bUtb5FRy/NdRBzPYGsfuXNzWg+55z1xrwWoqCTV9rVmuTDMxNawW5Fpc eweg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=KD7zKDAIpqYvoyadZCB9BrYro5MBJJgbdXFdh49s7K8=; b=qGNvoTjiIohK4s7bt0ex9d/r/1Ybb8VyHLon9oKqIDs8kML9twmpwby+OycCntPts+ k4/E//HLL4Sh3DPYgNja79RcAs9XY27acN4N4kgljgETF7Qa7bi4PZs1Vlc5aowLN6Lo 5BKdn5ZPEI6+lCe3oagjDERcwGxvR0EiDFEcCDLTnKpTFcOHUVcaJgqu3Y8SSMi3kFAF DREheqkR/4wFSt/rM/Fsc9Vs4ylNtcnJ8NCrvg+Iq2pXIQSFhRq4wytgSvmOJehZ/d2O RyTr3/FLa5vkHDGcp3JupVvkbWF6TSPMI6h5tDef7Vg7buh8UMPF70DcnUcyc4ommmQy XhKA== X-Gm-Message-State: AOAM532NoHkcj8GvGkDMTRWFkAUSp8mgfJvVJd+YTgNbbH9oMlD9RfpZ roKsDfVmTfmhA64//xe1isonA+E4jbc= X-Google-Smtp-Source: ABdhPJziBj2/aCy0Amue9gd77ctdSUk+C6W+IPZk85GDiRmOKy7sKALjPdj6zyFirFJbTXa9hd+c2w== X-Received: by 2002:a7b:c76e:: with SMTP id x14mr10654327wmk.17.1613325665258; Sun, 14 Feb 2021 10:01:05 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [RFC PATCH 22/42] target/mips/tx79: Introduce PINTEH (Parallel Interleave Even Halfword) Date: Sun, 14 Feb 2021 18:58:52 +0100 Message-Id: <20210214175912.732946-23-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210214175912.732946-1-f4bug@amsat.org> References: <20210214175912.732946-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::32a; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wm1-x32a.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: Fredrik Noring , Aleksandar Rikalo , Richard Henderson , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Thomas Huth , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Aurelien Jarno , "Maciej W. Rozycki" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Introduce the PINTEH opcode (Parallel Interleave Even Halfword). Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- target/mips/tx79.decode | 1 + target/mips/tx79_translate.c | 45 ++++++++++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+) diff --git a/target/mips/tx79.decode b/target/mips/tx79.decode index 653910371d2..fbd2be569ad 100644 --- a/target/mips/tx79.decode +++ b/target/mips/tx79.decode @@ -57,6 +57,7 @@ PXOR 011100 ..... ..... ..... 10011 001001 @= rs_rt_rd =20 # MMI3 =20 +PINTEH 011100 ..... ..... ..... 01010 101001 @rs_rt_rd PCPYUD 011100 ..... ..... ..... 01110 101001 @rs_rt_rd POR 011100 ..... ..... ..... 10010 101001 @rs_rt_rd PNOR 011100 ..... ..... ..... 10011 101001 @rs_rt_rd diff --git a/target/mips/tx79_translate.c b/target/mips/tx79_translate.c index ac75d95b82b..47d84c465a2 100644 --- a/target/mips/tx79_translate.c +++ b/target/mips/tx79_translate.c @@ -638,3 +638,48 @@ static bool trans_PCPYUD(DisasContext *s, arg_rtype *a) =20 return true; } + +/* Parallel Interleave Even Halfword */ +static bool trans_PINTEH(DisasContext *ctx, arg_rtype *a) +{ + TCGv_i64 ax, bx; + + if (a->rd =3D=3D 0) { + /* nop */ + return true; + } + + if (unlikely(a->rs =3D=3D 0 && a->rt =3D=3D 0)) { + tcg_gen_movi_i64(cpu_gpr[a->rd], 0); + tcg_gen_movi_i64(cpu_gpr_hi[a->rd], 0); + return true; + } + + ax =3D tcg_temp_new_i64(); + bx =3D tcg_temp_new_i64(); + + /* Lower halve */ + gen_load_gpr(ax, a->rs); + gen_load_gpr(bx, a->rt); + if (a->rd !=3D a->rt) { + tcg_gen_mov_i64(cpu_gpr[a->rd], bx); + } + tcg_gen_deposit_i64(cpu_gpr[a->rd], cpu_gpr[a->rd], ax, 16, 16); + tcg_gen_shri_i64(ax, ax, 32); + tcg_gen_deposit_i64(cpu_gpr[a->rd], cpu_gpr[a->rd], ax, 48, 16); + + /* Upper halve */ + gen_load_gpr_hi(ax, a->rs); + gen_load_gpr_hi(bx, a->rt); + if (a->rd !=3D a->rt) { + tcg_gen_mov_i64(cpu_gpr_hi[a->rd], bx); + } + tcg_gen_deposit_i64(cpu_gpr_hi[a->rd], cpu_gpr_hi[a->rd], ax, 16, 16); + tcg_gen_shri_i64(ax, ax, 32); + tcg_gen_deposit_i64(cpu_gpr_hi[a->rd], cpu_gpr_hi[a->rd], ax, 48, 16); + + tcg_temp_free(bx); + tcg_temp_free(ax); + + return true; +} --=20 2.26.2