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[2403:580a:f89b:0:e01b:92e5:d779:1bc0]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1ff58f57001sm95858825ad.91.2024.08.06.21.08.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Aug 2024 21:08:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1723003735; x=1723608535; darn=nongnu.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=ZTSrcFCetK79+4KzFc9T0JvzztNS6tf659Ej5rsMwn0=; b=kIcGzAwt14GbFzXfTWk/GPGYj7U+wCGv2rFrj0xKfebOE1dwQPnmVQhEUJdI3AnimX w9URRF3WYBDCIzMvN78y++BFR/utZYWZu5iN5ShUj+qUBrUCVwQyiXWjKi8xoHVtwQnr gegBYqhizAT7QHkDLdEi4L0ogagspnGwOFv+UkSbUdR3utGWPnPxifXDoMp0ExpNjLBo arEJEXkFf7IbSbek+A/lNT7+x3ka6oG9eboXvEmiSPMFrS6x3WXMf6+0pckvIruG1g92 S9ydq8BD4YObA6HQkaC0WBBSk8goZkJ6do31fFNYrASU/cP2+zZ9ZHpVa1kX3JWAJBQ3 mdew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723003735; x=1723608535; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=ZTSrcFCetK79+4KzFc9T0JvzztNS6tf659Ej5rsMwn0=; b=Grf6MORdsDP+Yp7rK2rFne+KBAzdeT7WvbwDfnJBENFMljcd86riAAUV74frLX+HgD 04YebSwAl1Dc5YVLI8RwU0WUK9gECpMXTgQZ69SJfgjmI3RN4ij9in0NkfQcEUaALLRs PqC6XkqFagPVljzng3y88oIuP9kgZNw19Hbt5Pls84Vm9MwJZIPf/gYrHU4BFprPIwI/ hdj6rKmpMZAFed+fI0HrAJWiWof+eY8NOWnnDPgkg5qxTGfGHDAc6paLSc4kX+j//PiY nxjkJ3JUxFY4jAVA70/nEciUCaj6mL3WVs/SPiKvi3T/+Sq1q/tccc2Q58FW7+HSFh/0 vQCg== X-Gm-Message-State: AOJu0YzcCjgDzrNcmWERwothfNeUby1/yFFIXXppPZ9hUmkB32HFWv/V ckat/x5Oe7NWBK4nNelCo7HlFmUWnNks0ndtgpeIoCzmbN0s5OyByIpt/TTrQDxWNQIIZFDEE6i wic0= X-Google-Smtp-Source: AGHT+IEnePo0DIVp9T2s7Pbgonh0wwJHVlVK7MdFT93+QFuDfvUVsSVbqvKQ3P1QBOFcC2AQVAcNfw== X-Received: by 2002:a17:902:f690:b0:1ff:5135:131f with SMTP id d9443c01a7336-20085543263mr16288365ad.25.1723003735245; Tue, 06 Aug 2024 21:08:55 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org Subject: [PATCH for-9.1] tcg/ppc: Sync tcg_out_test and constraints Date: Wed, 7 Aug 2024 14:08:43 +1000 Message-ID: <20240807040843.7882-1-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 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::629; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x629.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: 1723003797724116600 Content-Type: text/plain; charset="utf-8" Ensure the code structure is the same for matching constraints and emitting code, lest we allow constants that cannot be trivially tested. Cc: qemu-stable@nongnu.org Fixes: ad788aebbab ("tcg/ppc: Support TCG_COND_TST{EQ,NE}") Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2487 Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- tcg/ppc/tcg-target.c.inc | 21 ++++++++++----------- 1 file changed, 10 insertions(+), 11 deletions(-) diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc index 7f3829beeb..3553a47ba9 100644 --- a/tcg/ppc/tcg-target.c.inc +++ b/tcg/ppc/tcg-target.c.inc @@ -325,9 +325,11 @@ static bool tcg_target_const_match(int64_t sval, int c= t, if ((uval & ~0xffff) =3D=3D 0 || (uval & ~0xffff0000ull) =3D= =3D 0) { return 1; } - if (TCG_TARGET_REG_BITS =3D=3D 32 || type =3D=3D TCG_TYPE_I32 - ? mask_operand(uval, &mb, &me) - : mask64_operand(uval << clz64(uval), &mb, &me)) { + if (uval =3D=3D (uint32_t)uval && mask_operand(uval, &mb, &me)= ) { + return 1; + } + if (TCG_TARGET_REG_BITS =3D=3D 64 && + mask64_operand(uval << clz64(uval), &mb, &me)) { return 1; } return 0; @@ -1749,8 +1751,6 @@ static void tcg_out_test(TCGContext *s, TCGReg dest, = TCGReg arg1, TCGArg arg2, =20 if (type =3D=3D TCG_TYPE_I32) { arg2 =3D (uint32_t)arg2; - } else if (arg2 =3D=3D (uint32_t)arg2) { - type =3D TCG_TYPE_I32; } =20 if ((arg2 & ~0xffff) =3D=3D 0) { @@ -1761,12 +1761,11 @@ static void tcg_out_test(TCGContext *s, TCGReg dest= , TCGReg arg1, TCGArg arg2, tcg_out32(s, ANDIS | SAI(arg1, dest, arg2 >> 16)); return; } - if (TCG_TARGET_REG_BITS =3D=3D 32 || type =3D=3D TCG_TYPE_I32) { - if (mask_operand(arg2, &mb, &me)) { - tcg_out_rlw_rc(s, RLWINM, dest, arg1, 0, mb, me, rc); - return; - } - } else { + if (arg2 =3D=3D (uint32_t)arg2 && mask_operand(arg2, &mb, &me)) { + tcg_out_rlw_rc(s, RLWINM, dest, arg1, 0, mb, me, rc); + return; + } + if (TCG_TARGET_REG_BITS =3D=3D 64) { int sh =3D clz64(arg2); if (mask64_operand(arg2 << sh, &mb, &me)) { tcg_out_rld_rc(s, RLDICR, dest, arg1, sh, me, rc); --=20 2.43.0