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[97.113.7.119]) by smtp.gmail.com with ESMTPSA id v12sm2850146pjk.13.2019.08.08.13.26.20 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 08 Aug 2019 13:26:20 -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; bh=h5Yd6DdTtsmby24hx/qMc8uUeIQaxSevj10drk1jtIY=; b=li+g5mWavems3tksgkMZq3hJ9EOkVKYmGHT+B/KsA1qEQ6FcVD/xNWJpaH/BKO7q/V 4ze8IUbDi4v+DBlMLcNBT0I6s1P1F0DPMSGVKYujQaj+2spoJ8yApsRUfwTNtdFOisnW N+o5T8oXhAN9j2xKJ+2cz1Um3LlNkyWxkRrmeM4Smlx2iC2x/PKoGxUhXRV1Hi6lCS2J otjdKO8jyxQZjaYkPNwJqRCAFr6VRWn74uFVSHrE9v+8SeGwMQ3Mcwn1zNSRPTOLFGMR i+aVWsTAt9WlGVYsNuoKNVGeXACrhZcKUSvIFunRUR99CLl6UMag9uBcCg4x8lApj3Yf F1cQ== 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=h5Yd6DdTtsmby24hx/qMc8uUeIQaxSevj10drk1jtIY=; b=GyWUMlE023zautPAiTLN3d+e22EypFaEiZQrN1QrjtRcHjTo0rE43O49/IEgccO8hb lR9TG0+sUcmmYy0ptyktUC6ZNP41C43jz2ROjlRGOlO0k72aBAjFrzLOuUN+Tf3wiI91 jqGn+JH7jgGpezW5Tj1anRbHUPnu+GeeUpjW4VZltoG35WPBkGSSoNPIjidOtSPvodqi nNK1Q3JaoHt4fztk69eqkV3MB6XuBkUvzxGNZVK2zS0FDncVlivP8v5D/XtgZ86Ptvp9 2p1N0LeOohPNtLGeWrqS0CsHU4Qo3gVUwSJZ1bLzccmTI+4wqX7lXLwI66IVlA9Fsb8i RMHQ== X-Gm-Message-State: APjAAAXIpYwIkaPI345abLcw/iObTf96hJAYVSzP5ddCzZJQV+uMzN5q c1b7E184RpUAYqQyNKdaSvOsivD8oa4= X-Google-Smtp-Source: APXvYqx0Te5xyAo4s/HA/bKsAxaN+WGhZmXvollxyn7Rr9UzhUyJ6DA9XARQKmuCe+qlJS1Zl8+b5g== X-Received: by 2002:a62:cd45:: with SMTP id o66mr17681624pfg.112.1565295981490; Thu, 08 Aug 2019 13:26:21 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Thu, 8 Aug 2019 13:26:11 -0700 Message-Id: <20190808202616.13782-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190808202616.13782-1-richard.henderson@linaro.org> References: <20190808202616.13782-1-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::442 Subject: [Qemu-devel] [PATCH 2/7] target/arm: Use tcg_gen_deposit_i32 for PKHBT, PKHTB 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: peter.maydell@linaro.org, qemu-arm@nongnu.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" Use deposit as the composit operation to merge the bits from the two inputs. Signed-off-by: Richard Henderson --- target/arm/translate.c | 26 ++++++++++---------------- 1 file changed, 10 insertions(+), 16 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index 43e005d191..94170af134 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -8769,19 +8769,16 @@ static void disas_arm_insn(DisasContext *s, unsigne= d int insn) shift =3D (insn >> 7) & 0x1f; if (insn & (1 << 6)) { /* pkhtb */ - if (shift =3D=3D 0) + if (shift =3D=3D 0) { shift =3D 31; + } tcg_gen_sari_i32(tmp2, tmp2, shift); - tcg_gen_andi_i32(tmp, tmp, 0xffff0000); - tcg_gen_ext16u_i32(tmp2, tmp2); + tcg_gen_deposit_i32(tmp, tmp, tmp2, 0, 16); } else { /* pkhbt */ - if (shift) - tcg_gen_shli_i32(tmp2, tmp2, shift); - tcg_gen_ext16u_i32(tmp, tmp); - tcg_gen_andi_i32(tmp2, tmp2, 0xffff0000); + tcg_gen_shli_i32(tmp2, tmp2, shift); + tcg_gen_deposit_i32(tmp, tmp2, tmp, 0, 16); } - tcg_gen_or_i32(tmp, tmp, tmp2); tcg_temp_free_i32(tmp2); store_reg(s, rd, tmp); } else if ((insn & 0x00200020) =3D=3D 0x00200000) { @@ -9817,19 +9814,16 @@ static void disas_thumb2_insn(DisasContext *s, uint= 32_t insn) shift =3D ((insn >> 10) & 0x1c) | ((insn >> 6) & 0x3); if (insn & (1 << 5)) { /* pkhtb */ - if (shift =3D=3D 0) + if (shift =3D=3D 0) { shift =3D 31; + } tcg_gen_sari_i32(tmp2, tmp2, shift); - tcg_gen_andi_i32(tmp, tmp, 0xffff0000); - tcg_gen_ext16u_i32(tmp2, tmp2); + tcg_gen_deposit_i32(tmp, tmp, tmp2, 0, 16); } else { /* pkhbt */ - if (shift) - tcg_gen_shli_i32(tmp2, tmp2, shift); - tcg_gen_ext16u_i32(tmp, tmp); - tcg_gen_andi_i32(tmp2, tmp2, 0xffff0000); + tcg_gen_shli_i32(tmp2, tmp2, shift); + tcg_gen_deposit_i32(tmp, tmp2, tmp, 0, 16); } - tcg_gen_or_i32(tmp, tmp, tmp2); tcg_temp_free_i32(tmp2); store_reg(s, rd, tmp); } else { --=20 2.17.1