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([172.58.27.160]) by smtp.gmail.com with ESMTPSA id ks23-20020ac86217000000b0042987f6874bsm2092281qtb.92.2024.01.10.14.44.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Jan 2024 14:44:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1704926692; x=1705531492; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=rCOb1ACImxEyjzPr7SpomivAS+ARwGZqu81A17yuvPw=; b=UM/cDNJiEpfgOuVsnNsDgYmJ5ffqf8VV23QtN0eyI7Q9k5MLlneuOJYFOIK5eQePlV nYvD6qCzdRObrOrJmNFKHJy58LgLyK+pChao6Xo329TZWbBVFVJQGN71iNcWupwcTguW NOhZnmYLI0Ru5qC5loSFwk0IaYFSMeW9LsnWlW8flV7JA3DAVzn2XDMuDd0fvT0T8UvJ knhGPTjpMgptRXmg7j0AGrIutb5BXYTLV4mcQMKeZ9e3O5FEjZoRgk7VntwQ/4RaNgHS E6t9TDfG70FtLpWz7Xb9L0Z6Ly+kPXMB+DRe2kDWzQxNWXZOmeZ6MbNs/Y3muzXQtPKc +iTQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704926692; x=1705531492; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=rCOb1ACImxEyjzPr7SpomivAS+ARwGZqu81A17yuvPw=; b=ttcSKeW2cvpAxAuqlAEbXAae2CUeXT01gVMGmkvDxdPUTvsKbBj/lbtTq+/dSAPXrN mQPz83qJ+CYaL7LQDdcS0lrgrqFCjZEqFqN/6JKEH/XYpr9JtxzPXzALalvL8LtWGo9X 0mgxlNguydRBN0/NrMYWGm3vNlhGQFXcQC4lGC8QGpIIlYkr69Si5/EFt/s2k1UKlOkH gT5QzNwPyaFW5uaszmGSukRafTGkknBi4Yphchma3ER60CSsjRnAYzmqiFUj9Iie4RO5 /2IvBkAL2hy3OR5R2IfQeZOHN3BzVSDSTcPcy2q/FgzYn4SfacSDiOTZg0dJrsArdWtM Aq6w== X-Gm-Message-State: AOJu0YwROVaxcfascXCZzwGHaVTK7nO636ytpK7a30VKs+MZ6uCIKg2L HglKUcvPbVCKXSSXvJmRDMZCHit3RE4+F/1ZKTqDOC7F8HmX5u1b X-Google-Smtp-Source: AGHT+IEk7fq1MVhUig0WRcqhlci/Egljzz1a0tZWIqxK+LxTfRbzVb6P0+7cM0qnT1hfonGnBJPncA== X-Received: by 2002:ac8:5941:0:b0:429:9341:ddf2 with SMTP id 1-20020ac85941000000b004299341ddf2mr1373680qtz.29.1704926692155; Wed, 10 Jan 2024 14:44:52 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: philmd@linaro.org, pbonzini@redhat.com Subject: [PATCH v3 04/38] tcg/optimize: Split out do_constant_folding_cond1 Date: Thu, 11 Jan 2024 09:43:34 +1100 Message-Id: <20240110224408.10444-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240110224408.10444-1-richard.henderson@linaro.org> References: <20240110224408.10444-1-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::830; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x830.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, T_SCC_BODY_TEXT_LINE=-0.01 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: 1704926733223100002 Handle modifications to the arguments and condition in a single place. Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson --- tcg/optimize.c | 57 ++++++++++++++++++++++++-------------------------- 1 file changed, 27 insertions(+), 30 deletions(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index 73019b9996..9c04dba099 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -796,6 +796,23 @@ static bool swap_commutative2(TCGArg *p1, TCGArg *p2) return false; } =20 +static int do_constant_folding_cond1(OptContext *ctx, TCGArg dest, + TCGArg *p1, TCGArg *p2, TCGArg *pcond) +{ + TCGCond cond; + bool swap; + int r; + + swap =3D swap_commutative(dest, p1, p2); + cond =3D *pcond; + if (swap) { + *pcond =3D cond =3D tcg_swap_cond(cond); + } + + r =3D do_constant_folding_cond(ctx->type, *p1, *p2, cond); + return r; +} + static void init_arguments(OptContext *ctx, TCGOp *op, int nb_args) { for (int i =3D 0; i < nb_args; i++) { @@ -1193,14 +1210,8 @@ static bool fold_andc(OptContext *ctx, TCGOp *op) =20 static bool fold_brcond(OptContext *ctx, TCGOp *op) { - TCGCond cond =3D op->args[2]; - int i; - - if (swap_commutative(NO_DEST, &op->args[0], &op->args[1])) { - op->args[2] =3D cond =3D tcg_swap_cond(cond); - } - - i =3D do_constant_folding_cond(ctx->type, op->args[0], op->args[1], co= nd); + int i =3D do_constant_folding_cond1(ctx, NO_DEST, &op->args[0], + &op->args[1], &op->args[2]); if (i =3D=3D 0) { tcg_op_remove(ctx->tcg, op); return true; @@ -1695,21 +1706,18 @@ static bool fold_mov(OptContext *ctx, TCGOp *op) =20 static bool fold_movcond(OptContext *ctx, TCGOp *op) { - TCGCond cond =3D op->args[5]; int i; =20 - if (swap_commutative(NO_DEST, &op->args[1], &op->args[2])) { - op->args[5] =3D cond =3D tcg_swap_cond(cond); - } /* * Canonicalize the "false" input reg to match the destination reg so * that the tcg backend can implement a "move if true" operation. */ if (swap_commutative(op->args[0], &op->args[4], &op->args[3])) { - op->args[5] =3D cond =3D tcg_invert_cond(cond); + op->args[5] =3D tcg_invert_cond(op->args[5]); } =20 - i =3D do_constant_folding_cond(ctx->type, op->args[1], op->args[2], co= nd); + i =3D do_constant_folding_cond1(ctx, NO_DEST, &op->args[1], + &op->args[2], &op->args[5]); if (i >=3D 0) { return tcg_opt_gen_mov(ctx, op, op->args[0], op->args[4 - i]); } @@ -1723,6 +1731,7 @@ static bool fold_movcond(OptContext *ctx, TCGOp *op) uint64_t tv =3D arg_info(op->args[3])->val; uint64_t fv =3D arg_info(op->args[4])->val; TCGOpcode opc, negopc =3D 0; + TCGCond cond =3D op->args[5]; =20 switch (ctx->type) { case TCG_TYPE_I32: @@ -1950,14 +1959,8 @@ static bool fold_remainder(OptContext *ctx, TCGOp *o= p) =20 static bool fold_setcond(OptContext *ctx, TCGOp *op) { - TCGCond cond =3D op->args[3]; - int i; - - if (swap_commutative(op->args[0], &op->args[1], &op->args[2])) { - op->args[3] =3D cond =3D tcg_swap_cond(cond); - } - - i =3D do_constant_folding_cond(ctx->type, op->args[1], op->args[2], co= nd); + int i =3D do_constant_folding_cond1(ctx, op->args[0], &op->args[1], + &op->args[2], &op->args[3]); if (i >=3D 0) { return tcg_opt_gen_movi(ctx, op, op->args[0], i); } @@ -1969,14 +1972,8 @@ static bool fold_setcond(OptContext *ctx, TCGOp *op) =20 static bool fold_negsetcond(OptContext *ctx, TCGOp *op) { - TCGCond cond =3D op->args[3]; - int i; - - if (swap_commutative(op->args[0], &op->args[1], &op->args[2])) { - op->args[3] =3D cond =3D tcg_swap_cond(cond); - } - - i =3D do_constant_folding_cond(ctx->type, op->args[1], op->args[2], co= nd); + int i =3D do_constant_folding_cond1(ctx, op->args[0], &op->args[1], + &op->args[2], &op->args[3]); if (i >=3D 0) { return tcg_opt_gen_movi(ctx, op, op->args[0], -i); } --=20 2.34.1