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[50.233.235.3]) by smtp.gmail.com with ESMTPSA id p2sm45518687pfp.125.2019.01.28.07.59.11 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 28 Jan 2019 07:59:11 -0800 (PST) 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; bh=po3fGKZcEsraXkqBMSX5FPnIKtuOJRDnAJ2/AeZX7VI=; b=CjassVpiSvAdhz+HmuArDM2Ss1pfNvazmr2x0K+2arepsS0fG9/dE9FRCJymAn8+ZP 1MtLwisO68oULAdE5vz84aakOoVqTp4gNGx1FmJuLLic4CF3jM6QHNELJXob/pLch3BH hL903L7NcknKEnAloaVikYfkHqeAYHH8kRZS4= 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; bh=po3fGKZcEsraXkqBMSX5FPnIKtuOJRDnAJ2/AeZX7VI=; b=b+Ec9xchRbcK4jdkPCfBFeZDhpVCelFSukNC8WlJzwTkC6n6ubLgxsnfxJlJI8wswy yVVn1O1bydSDPsgNLwlW1eEtenqlPNKNLXu8eVZ+TnU+rwXdAQodH2dYrvR/8/H1rbB0 kCshqtBLD26Qpn/kLVH1Cn/qDZx+j2gj/6XZarRZPXfazmUt81ZkFet+gV/9wavmsi+I /kaPBDMtznI0HH2FKAhp59wtl0MLUxWXdkiROHXCOyO1OuVjiTm2uoQSCaPQa7PaCSGf OIjJzQ9C4c0jGVd/AfqZjGOdIeDQUCyjThaetF8WlEI3cwQQYWOi4HIzcgevOdcOvP0x imbw== X-Gm-Message-State: AJcUukfOsn46sMybR+L+O2MsJvA2nDZLAu2Eu4xVZGoYokUS7C3EU26P zioHf8JjMtupVQX6phxVs0Ny8NUUHao= X-Google-Smtp-Source: ALg8bN6SxNToc3Qw0Yj8wA5O0XcMKDjqHztAgXGdLkYbAJuXKkNChM9RjTweOMyHRWtgJt5KQ7QuDw== X-Received: by 2002:a17:902:8607:: with SMTP id f7mr21746826plo.123.1548691152396; Mon, 28 Jan 2019 07:59:12 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Mon, 28 Jan 2019 07:58:45 -0800 Message-Id: <20190128155907.20607-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20190128155907.20607-1-richard.henderson@linaro.org> References: <20190128155907.20607-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::62d Subject: [Qemu-devel] [PULL 01/23] tcg: Add logical simplifications during gvec expand X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" We handle many of these during integer expansion, and the rest of them during integer optimization. Reviewed-by: David Gibson Signed-off-by: Richard Henderson --- tcg/tcg-op-gvec.c | 35 ++++++++++++++++++++++++++++++----- 1 file changed, 30 insertions(+), 5 deletions(-) diff --git a/tcg/tcg-op-gvec.c b/tcg/tcg-op-gvec.c index 61c25f5784..ec231b78fb 100644 --- a/tcg/tcg-op-gvec.c +++ b/tcg/tcg-op-gvec.c @@ -1840,7 +1840,12 @@ void tcg_gen_gvec_and(unsigned vece, uint32_t dofs, = uint32_t aofs, .opc =3D INDEX_op_and_vec, .prefer_i64 =3D TCG_TARGET_REG_BITS =3D=3D 64, }; - tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + + if (aofs =3D=3D bofs) { + tcg_gen_gvec_mov(vece, dofs, aofs, oprsz, maxsz); + } else { + tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + } } =20 void tcg_gen_gvec_or(unsigned vece, uint32_t dofs, uint32_t aofs, @@ -1853,7 +1858,12 @@ void tcg_gen_gvec_or(unsigned vece, uint32_t dofs, u= int32_t aofs, .opc =3D INDEX_op_or_vec, .prefer_i64 =3D TCG_TARGET_REG_BITS =3D=3D 64, }; - tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + + if (aofs =3D=3D bofs) { + tcg_gen_gvec_mov(vece, dofs, aofs, oprsz, maxsz); + } else { + tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + } } =20 void tcg_gen_gvec_xor(unsigned vece, uint32_t dofs, uint32_t aofs, @@ -1866,7 +1876,12 @@ void tcg_gen_gvec_xor(unsigned vece, uint32_t dofs, = uint32_t aofs, .opc =3D INDEX_op_xor_vec, .prefer_i64 =3D TCG_TARGET_REG_BITS =3D=3D 64, }; - tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + + if (aofs =3D=3D bofs) { + tcg_gen_gvec_dup8i(dofs, oprsz, maxsz, 0); + } else { + tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + } } =20 void tcg_gen_gvec_andc(unsigned vece, uint32_t dofs, uint32_t aofs, @@ -1879,7 +1894,12 @@ void tcg_gen_gvec_andc(unsigned vece, uint32_t dofs,= uint32_t aofs, .opc =3D INDEX_op_andc_vec, .prefer_i64 =3D TCG_TARGET_REG_BITS =3D=3D 64, }; - tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + + if (aofs =3D=3D bofs) { + tcg_gen_gvec_dup8i(dofs, oprsz, maxsz, 0); + } else { + tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + } } =20 void tcg_gen_gvec_orc(unsigned vece, uint32_t dofs, uint32_t aofs, @@ -1892,7 +1912,12 @@ void tcg_gen_gvec_orc(unsigned vece, uint32_t dofs, = uint32_t aofs, .opc =3D INDEX_op_orc_vec, .prefer_i64 =3D TCG_TARGET_REG_BITS =3D=3D 64, }; - tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + + if (aofs =3D=3D bofs) { + tcg_gen_gvec_dup8i(dofs, oprsz, maxsz, -1); + } else { + tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + } } =20 static const GVecGen2s gop_ands =3D { --=20 2.17.2