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[122.150.204.179]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-24905da4784sm39551685ad.90.2025.08.29.20.39.37 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Aug 2025 20:39:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1756525179; x=1757129979; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=3DXiy/ZudcrpQh5ssHAmre0hommvxs3Ew0pZrojp600=; b=CeS7UVc9rzGRgWT9mqUyFpyyW4d3OuSwVdgmrtB2eDGsXD2pCDsUPY3teAhEG0iWvc dSTLQihM+TVubfoRtPwt2zQcBCem+LMEZW7I/EOzp8TklbpU7iXGA1jMdLXgx2Glu6u6 aoqddOO7ATJe5Y3Lp2YufvpoRTJjB7YCYRZ8kxNJhjz9OmZ/IhJARJe82gQ2J9JNHB4D 30VHo+qIl4XebxHh1peCQVvCCUSvsoMo1tec7HA7/h+CIiqI7kpu+69Xc7O/3Vd3SLC5 SapFmHEZBmBWc2xE8IycpM8OQliE6WiTiFZuFoI3Y8qboTl5+FJPbk8Vm1qV+jDKiPm2 jWvg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756525179; x=1757129979; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=3DXiy/ZudcrpQh5ssHAmre0hommvxs3Ew0pZrojp600=; b=tLvhnj9Eo8rtJDPSddWTi6x5Ulsf1VH1r9PYv2Ofr5A58PwRrgjRsZ9Ws4vB9bX0H8 xawudPYJiiwEUdSwbElwtsDnlDCPB0REV620dL2bbrGWq1RxCQRYZS2xAdXY9jUhQatM 1xQzYB03q5hwV+7teY8OiyUHvN9yphdXom3U1nHcN+ErdetTH3WI1vyf39LC0VfrJKFh 42p6nJEIg9qnXHUiUy4v6xKReIXoamDwqWhXlYYLbPRFPlW4QtbmG9aDxdmbp0FsZqYx 49hf509uDymk7JEhCDeLPpileOIBKyCyrTDHfzHzhBTQSLZ/ok+1rE0yJlwUk6ugmKp7 zuJg== X-Gm-Message-State: AOJu0YzbhfDXApChpnvOtmOdyy1/ODSJBzTDiGaQRGsIVXOH88M2oJvt g3khd9AGuKoVeMMr55OwR+QDW/OpljuJcBYDWv57CdUMRzniuuHjtdnnG4K+UETCy9ivLTR6gPk 5ephlznE= X-Gm-Gg: ASbGncu3Ei7KvUJL0hBoLZ6KyAryym3/j9Rxu5ecK4cbAUVzeoXbRjrnxJENDhujREA SyRT/Dbfs3P0wV4ZcyLYG7yg72zl0O415pI7eNOAuKoX+Ty6LdudJVrH5Kk3ebR61gTY6A7s6ms bAmX9Ry+pS5m0y2nbUnK8/IB2xo/z2uOSBAdbfyin/81kzFd7S1oWmobKfnivHr71FNuou2Cxmy giEyyi7hxmLB4MLQWmtFpDC+OdbQ0ygKRyG+pjjIuaMTJldzIDddQE7vKoClMOZX4BGjRyPuHhx ijTyxaDhD0A0BVNsKcHWibDMo8ChvFThgyqLpY/dNIB+qPsaunarZqGbXfcQitbILZKU49mBX9f Z6HIbfycGH3qBai+GQeJWKuzAS1NEStm0zQogS1GK8SQ8dMW+NECFYwd3mebPr1LOYbDGFhajcQ == X-Google-Smtp-Source: AGHT+IE9DwG3+7AyIh3/PPBM91hPP9Y1SX+5DhQyi2NP7MMSJh1izl/JFi3gs6jRFcMoil9z5Wqy3g== X-Received: by 2002:a17:902:e94c:b0:235:f143:9b16 with SMTP id d9443c01a7336-24944b3d668mr10553825ad.41.1756525178885; Fri, 29 Aug 2025 20:39:38 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 3/5] tcg/i386: Use canonical operand ordering in expand_vec_sari Date: Sat, 30 Aug 2025 13:39:24 +1000 Message-ID: <20250830033926.372955-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250830033926.372955-1-richard.henderson@linaro.org> References: <20250830033926.372955-1-richard.henderson@linaro.org> MIME-Version: 1.0 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::536; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x536.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=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1756570226850124100 Content-Type: text/plain; charset="utf-8" The optimizer prefers to have constants as the second operand, so expand LT x,0 instead of GT 0,x. This will not affect the generated code at all. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- tcg/i386/tcg-target.c.inc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc index 4cd5d4276c..8260c35edd 100644 --- a/tcg/i386/tcg-target.c.inc +++ b/tcg/i386/tcg-target.c.inc @@ -4399,8 +4399,8 @@ static void expand_vec_sari(TCGType type, unsigned ve= ce, /* Otherwise we will need to use a compare vs 0 to produce * the sign-extend, shift and merge. */ - tcg_gen_cmp_vec(TCG_COND_GT, MO_64, t1, - tcg_constant_vec(type, MO_64, 0), v1); + tcg_gen_cmp_vec(TCG_COND_LT, MO_64, t1, v1, + tcg_constant_vec(type, MO_64, 0)); tcg_gen_shri_vec(MO_64, v0, v1, imm); tcg_gen_shli_vec(MO_64, t1, t1, 64 - imm); tcg_gen_or_vec(MO_64, v0, v0, t1); --=20 2.43.0