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[97.113.7.119]) by smtp.gmail.com with ESMTPSA id v12sm2850146pjk.13.2019.08.08.13.26.23 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 08 Aug 2019 13:26:24 -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=RskjHA12b+UCLX2htP8k3zX7fIXUBDlXhLLJAVERdC0=; b=AI5BNglKzJ2nl0bwk9cg0D/RBrxrCsZPjYtJwwhMbI6xLE29xO9oKjooujma6sBJDH x2TUbnqhBThgU9jAt4HatoRJLmXHeXgo5yIkfDaPdIm1Vsq7X7zMIunrC2IIgbBR93Fr wOilkONR8MFHcXpVSAGnr4kaG2RBJbv+DQMQeh79a66RbhJZG5UrT0LX//EMqTqlXAwD fbkfNYZd8LKN5OlCz1UJzA8gX+uF0PyEG06FvnJJRaLm25VVk73Y70SR0bYd6LjBTr2k nu9JHSO92ppTRl3J5IT74hgWQR1bcMKiX5V+FP/7jwhtSD3BEsAZ3i9l7uQa8KL1FQ8B SKbQ== 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=RskjHA12b+UCLX2htP8k3zX7fIXUBDlXhLLJAVERdC0=; b=GvrjGOMiwmXHfs+6dHXhZjJGT0er3Dw1vzLYR/hVGffPfOf0jqNMjWoNMbvU/OHunI clDnmD8ULjylD7BbmuKCl0AEbxjllx34JusHG8iIsqsh998vilVjV1Bm1kclCcM3ExBK lbAN3prS3T1SoXjopHr+S22GTqTlV4kpu+1IxOL8VwoBCDpcREbKqX7zDkdzaqOgi/8b de3qFZRnht+2XFV1PiAUoT0BYlItmacQWrLY/DDwAqoqS8YeFgf2OD5ruOkkWMkT57GO SqjFubg/5scBmBS3zZ1OYg+DQpbljSJOeoBueyH+1l+HseLGdPp+8aLMFFtXrWON+Wy3 4Vpw== X-Gm-Message-State: APjAAAV6/bXTzeE6S7SHjYaoauf5eSTLjZP342i5T6edmUx8WK99HNi5 xsGLDHQ/IaDYZ925PYjRWmY93GXUTQA= X-Google-Smtp-Source: APXvYqx3IbAmTAUljRT3n2vxLgD+LJf7v1V+KLJeb9XaYVru7wLRBwWXMuzN9B5pdU089+acRCaAJg== X-Received: by 2002:a17:90a:9bc5:: with SMTP id b5mr5853080pjw.109.1565295985125; Thu, 08 Aug 2019 13:26:25 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Thu, 8 Aug 2019 13:26:14 -0700 Message-Id: <20190808202616.13782-6-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::543 Subject: [Qemu-devel] [PATCH 5/7] target/arm: Use tcg_gen_rotri_i32 for gen_swap_half 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" Rotate is the more compact and obvious way to swap 16-bit elements of a 32-bit word. Signed-off-by: Richard Henderson --- target/arm/translate.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index b40f163bab..ddc54e77e4 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -459,11 +459,7 @@ static TCGv_i64 gen_muls_i64_i32(TCGv_i32 a, TCGv_i32 = b) /* Swap low and high halfwords. */ static void gen_swap_half(TCGv_i32 var) { - TCGv_i32 tmp =3D tcg_temp_new_i32(); - tcg_gen_shri_i32(tmp, var, 16); - tcg_gen_shli_i32(var, var, 16); - tcg_gen_or_i32(var, var, tmp); - tcg_temp_free_i32(tmp); + tcg_gen_rotri_i32(var, var, 16); } =20 /* Dual 16-bit add. Result placed in t0 and t1 is marked as dead. --=20 2.17.1