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([2602:47:d48c:8101:9d81:5b04:51d7:acae]) by smtp.gmail.com with ESMTPSA id bj5-20020a17090b088500b00212e5068e17sm1945119pjb.40.2023.01.06.23.51.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Jan 2023 23:51:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=Gx7T/PYZU254lwrsHZ56yxEYIpVsjroGfvIVha75a6k=; b=UmkiDg7DXoomDcFNQnMUGvRzUhzzXNXHXLI64m3aEIqbFsJAmhKciRvH5SHeQksfK1 Fs1bKbWLK75PXqtvDl7YEKJ5AH/zood1xFK2DBfAWVSdFOsxiw1T/JwtTneqWq5PLR6Z LPPBQmhvCp2hm8dc1rxB/odeuwq/VpJYOs6PX1ucDwWqZoy7/jKIGzdI0UU+G2Y/dZM9 LvuQuQhqqXG1U1oH+eJCNOVKJKYca3DBud6XwFP6vVkGfE16qIrWoJOdkBUSfvJqLcVG HfVw5duFvhjDfow5kIaEJTRw/LGveBRbagvkHHcGGrstW6zsNcwtIbRU18F2LPFQQff1 pPKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=Gx7T/PYZU254lwrsHZ56yxEYIpVsjroGfvIVha75a6k=; b=a55gZzL10JlhHeIQIftljQw1HM33FU7446u4bbZGncoInN+fI/+RPJ0Ty/A7Nj2R2w 3k5W0a3yllcy+ud5ZvT5ssH74OX2QcWa3rwiexSaUI7Q/Zziy8NHBXCV1uoqsvmFpAKH GbfIhvIC9wi2tnkfI4xa9edRB7kFXobzXzrUqcisMK8Nm96Tfm55cA+7Mh9b6xMHk4+A mcOmyFsMgFGWzRFN81uILdwL8ib/QmdvRJs2oaUa/bYWh/aAhcEPedtWO1JsaTgIWKnd wQUlnNZNYl1ew5FeP20LoTMv1KGdWUED1d6eYIwFbdH2aM1tqRfH5EKuvuHyYeNFC6o3 W3ew== X-Gm-Message-State: AFqh2kp32BlLNUquObjEg4eOKePMu86QU/lBMUWI/rjy8EGnkN3QrcCd w483kV0E4ncXU+kgGxuHxxMfGwd/qKI8G4K7 X-Google-Smtp-Source: AMrXdXvM3yfEoObgez9cJR0FjHRWhNbEI5uTFzK59+/IU8BFjHS7BgCIrrpInAqeL/LhsoQG918dLg== X-Received: by 2002:a17:90a:c68d:b0:219:184f:c736 with SMTP id n13-20020a17090ac68d00b00219184fc736mr71715764pjt.48.1673077899234; Fri, 06 Jan 2023 23:51:39 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Ilya Leoshkevich Subject: [PULL 21/27] tcg/s390x: Generalize movcond implementation Date: Fri, 6 Jan 2023 23:51:12 -0800 Message-Id: <20230107075118.1814503-22-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230107075118.1814503-1-richard.henderson@linaro.org> References: <20230107075118.1814503-1-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::1035; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1035.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: 1673078409695100003 Content-Type: text/plain; charset="utf-8" Generalize movcond to support pre-computed conditions, and the same set of arguments at all times. This will be assumed by a following patch, which needs to reuse tgen_movcond_int. Reviewed-by: Ilya Leoshkevich Signed-off-by: Richard Henderson --- tcg/s390x/tcg-target-con-set.h | 3 +- tcg/s390x/tcg-target.c.inc | 52 ++++++++++++++++++++++++++-------- 2 files changed, 41 insertions(+), 14 deletions(-) diff --git a/tcg/s390x/tcg-target-con-set.h b/tcg/s390x/tcg-target-con-set.h index b194ad7f03..8cf8ed4dff 100644 --- a/tcg/s390x/tcg-target-con-set.h +++ b/tcg/s390x/tcg-target-con-set.h @@ -33,8 +33,7 @@ C_O1_I2(r, rZ, r) C_O1_I2(v, v, r) C_O1_I2(v, v, v) C_O1_I3(v, v, v, v) -C_O1_I4(r, r, ri, r, 0) -C_O1_I4(r, r, ri, rI, 0) +C_O1_I4(r, r, ri, rI, r) C_O2_I2(o, m, 0, r) C_O2_I2(o, m, r, r) C_O2_I3(o, m, 0, 1, r) diff --git a/tcg/s390x/tcg-target.c.inc b/tcg/s390x/tcg-target.c.inc index a9e3b4a9b9..30c12052f0 100644 --- a/tcg/s390x/tcg-target.c.inc +++ b/tcg/s390x/tcg-target.c.inc @@ -1354,19 +1354,49 @@ static void tgen_setcond(TCGContext *s, TCGType typ= e, TCGCond cond, tcg_out_insn(s, RRFc, LOCGR, dest, TCG_TMP0, cc); } =20 +static void tgen_movcond_int(TCGContext *s, TCGType type, TCGReg dest, + TCGArg v3, int v3const, TCGReg v4, + int cc, int inv_cc) +{ + TCGReg src; + + if (v3const) { + if (dest =3D=3D v4) { + if (HAVE_FACILITY(LOAD_ON_COND2)) { + /* Emit: if (cc) dest =3D v3. */ + tcg_out_insn(s, RIEg, LOCGHI, dest, v3, cc); + return; + } + tcg_out_insn(s, RI, LGHI, TCG_TMP0, v3); + src =3D TCG_TMP0; + } else { + /* LGR+LOCGHI is larger than LGHI+LOCGR. */ + tcg_out_insn(s, RI, LGHI, dest, v3); + cc =3D inv_cc; + src =3D v4; + } + } else { + if (dest =3D=3D v4) { + src =3D v3; + } else { + tcg_out_mov(s, type, dest, v3); + cc =3D inv_cc; + src =3D v4; + } + } + + /* Emit: if (cc) dest =3D src. */ + tcg_out_insn(s, RRFc, LOCGR, dest, src, cc); +} + static void tgen_movcond(TCGContext *s, TCGType type, TCGCond c, TCGReg de= st, TCGReg c1, TCGArg c2, int c2const, - TCGArg v3, int v3const) + TCGArg v3, int v3const, TCGReg v4) { int cc, inv_cc; =20 cc =3D tgen_cmp2(s, type, c, c1, c2, c2const, false, &inv_cc); - - if (v3const) { - tcg_out_insn(s, RIEg, LOCGHI, dest, v3, cc); - } else { - tcg_out_insn(s, RRFc, LOCGR, dest, v3, cc); - } + tgen_movcond_int(s, type, dest, v3, v3const, v4, cc, inv_cc); } =20 static void tgen_clz(TCGContext *s, TCGReg dest, TCGReg a1, @@ -2225,7 +2255,7 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcod= e opc, break; case INDEX_op_movcond_i32: tgen_movcond(s, TCG_TYPE_I32, args[5], args[0], args[1], - args[2], const_args[2], args[3], const_args[3]); + args[2], const_args[2], args[3], const_args[3], args[= 4]); break; =20 case INDEX_op_qemu_ld_i32: @@ -2509,7 +2539,7 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcod= e opc, break; case INDEX_op_movcond_i64: tgen_movcond(s, TCG_TYPE_I64, args[5], args[0], args[1], - args[2], const_args[2], args[3], const_args[3]); + args[2], const_args[2], args[3], const_args[3], args[= 4]); break; =20 OP_32_64(deposit): @@ -3114,9 +3144,7 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpc= ode op) =20 case INDEX_op_movcond_i32: case INDEX_op_movcond_i64: - return (HAVE_FACILITY(LOAD_ON_COND2) - ? C_O1_I4(r, r, ri, rI, 0) - : C_O1_I4(r, r, ri, r, 0)); + return C_O1_I4(r, r, ri, rI, r); =20 case INDEX_op_div2_i32: case INDEX_op_div2_i64: --=20 2.34.1