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[189.204.200.163]) by smtp.gmail.com with ESMTPSA id s5sm8500553qkg.88.2021.05.16.05.34.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 16 May 2021 05:34:53 -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=WtVnyNXfkFjXiL/rrreOZ74P1ptL2lcGNEOLA4QHWTg=; b=wCT2pHv9FB0oj7kMK0bLL4dntBFUoPoRMFxTwjAruDmGtmOqONqOJ/mGA4+lVBZE7N 3/TQiBQhSgJBvVjAXaigHgD5bDv6f0YzaVwtGzBY4WKJWp9oejGfQo1OXevqI3qoXrrm emxKX7U6RGVjRN02H4qmt0BpMuVWV1AhIr08gheDTWU7Rd/qJg8CvNyVHc2FjKa4pu3e tcOjO/n3gWkbTKowHJZ3CsZZFLLd+3OZj6tOh3L6BWEZetr3326skB1oqhKDRt1t/TZK c5YXf+o9Xf6A55URrgxMjbSSf/m8a25baaYLQRS1ARaNk+o+9Yzq5EwRIHMUk+UDKOAi q1Lw== 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=WtVnyNXfkFjXiL/rrreOZ74P1ptL2lcGNEOLA4QHWTg=; b=BK758dkJxZY/EQ20c4QoDo3bdfjOEzH5Msxw3KIn88dDn3ce60rqdym8ovPvHSB7K7 9d33K3pSslTmU63IgNoEkr+vtfC/2j1n10mrmCwM81FPFbibSUuP2+Nrr60JHt0kcsLu PaxrEOtmrB0WgipFTHhQ6/3JNwCPqG922tiUUiLqvFynnUHy+2Cwp6CV3W1ncVvYoW6C xR6g3ga+8bZHwuaUzWpTrZTVsTgD8WoDGF74OiM2XzMwowRoEDwxPSp2V838wM9B42gI W7ljvkGUBoNNPSQz0bHa7byCk++i/zSwSJDdY0EmnqGZfuqynAImWB4zz0viMdR+mEv+ sE1A== X-Gm-Message-State: AOAM532bHix1VRybibIaR6ZywB2wfNWIQnyf7tykkKAxVtFjw01LEWil jfxH4KFyw2JzV2WD6WNih15Vok5t7anutFIfEoE= X-Google-Smtp-Source: ABdhPJwb43TxZz8X5FZ10gB6HCf5Lo8Ax2GCjzOzMdFfefp9EZswP8I1aSrziXKpdQDenxC734p4Ng== X-Received: by 2002:a05:620a:167a:: with SMTP id d26mr20707395qko.293.1621168493708; Sun, 16 May 2021 05:34:53 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 25/46] softfloat: Rearrange FloatParts64 Date: Sun, 16 May 2021 07:34:10 -0500 Message-Id: <20210516123431.718318-26-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210516123431.718318-1-richard.henderson@linaro.org> References: <20210516123431.718318-1-richard.henderson@linaro.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=2607:f8b0:4864:20::72a; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x72a.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=unavailable 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: peter.maydell@linaro.org, =?UTF-8?q?Alex=20Benn=C3=A9e?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Shuffle the fraction to the end, otherwise sort by size. Add frac_hi and frac_lo members to alias frac. Reviewed-by: Alex Benn=C3=A9e Signed-off-by: Richard Henderson --- fpu/softfloat.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/fpu/softfloat.c b/fpu/softfloat.c index 2123453d40..ee609540aa 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -511,10 +511,20 @@ static inline __attribute__((unused)) bool is_qnan(Fl= oatClass c) */ =20 typedef struct { - uint64_t frac; - int32_t exp; FloatClass cls; bool sign; + int32_t exp; + union { + /* Routines that know the structure may reference the singular nam= e. */ + uint64_t frac; + /* + * Routines expanded with multiple structures reference "hi" and "= lo" + * depending on the operation. In FloatParts64, "hi" and "lo" are + * both the same word and aliased here. + */ + uint64_t frac_hi; + uint64_t frac_lo; + }; } FloatParts64; =20 #define DECOMPOSED_BINARY_POINT 63 --=20 2.25.1