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Fri, 7 Jan 2022 15:57:44 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 210AE800473; Fri, 7 Jan 2022 15:57:44 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH 29/37] target/ppc: Implement xvtlsbb instruction Date: Fri, 7 Jan 2022 15:56:45 -0300 Message-Id: <20220107185653.1609775-30-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220107185653.1609775-1-matheus.ferst@eldorado.org.br> References: <20220107185653.1609775-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-OriginalArrivalTime: 07 Jan 2022 18:57:44.0482 (UTC) FILETIME=[74441020:01D803F8] X-Host-Lookup-Failed: Reverse DNS lookup failed for 201.28.113.2 (failed) 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=201.28.113.2; envelope-from=matheus.ferst@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: , Cc: danielhb413@gmail.com, richard.henderson@linaro.org, groug@kaod.org, Victor Colombo , clg@kaod.org, Matheus Ferst , david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1641585360569100001 From: Victor Colombo Signed-off-by: V=C3=ADctor Colombo Signed-off-by: Matheus Ferst --- target/ppc/insn32.decode | 7 ++++++ target/ppc/translate/vsx-impl.c.inc | 37 +++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index a09d42455b..ea575822e5 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -155,6 +155,9 @@ &XX2 xt xb uim:uint8_t @XX2 ...... ..... ... uim:2 ..... ......... .. &XX2 xt=3D= %xx_xt xb=3D%xx_xb =20 +&XX2_bf_xb bf xb +@XX2_bf_xb ...... bf:3 .. ..... ..... ......... . . &XX2_bf_xb= xb=3D%xx_xb + &XX3 xt xa xb @XX3 ...... ..... ..... ..... ........ ... &XX3 xt=3D= %xx_xt xa=3D%xx_xa xb=3D%xx_xb =20 @@ -604,6 +607,10 @@ XSMINJDP 111100 ..... ..... ..... 10011000 ... = @XX3 =20 XSCVQPDP 111111 ..... 10100 ..... 1101000100 . @X_tb_rc =20 +## VSX Vector Test Least-Significant Bit by Byte Instruction + +XVTLSBB 111100 ... -- 00010 ..... 111011011 . - @XX2_bf_xb + ### rfebb &XL_s s:uint8_t @XL_s ......-------------- s:1 .......... - &XL_s diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx= -impl.c.inc index 4be6803cdb..602fdfc632 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -1688,6 +1688,43 @@ static bool trans_LXVKQ(DisasContext *ctx, arg_X_uim= 5 *a) return true; } =20 +static bool trans_XVTLSBB(DisasContext *ctx, arg_XX2_bf_xb *a) +{ + TCGv_i64 xb, tmp, all_true, all_false, mask, zero; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VSX(ctx); + + xb =3D tcg_temp_new_i64(); + tmp =3D tcg_temp_new_i64(); + all_true =3D tcg_const_i64(0b1000); + all_false =3D tcg_const_i64(0b0010); + mask =3D tcg_constant_i64(dup_const(MO_8, 1)); + zero =3D tcg_constant_i64(0); + + for (int dw =3D 0; dw < 2; dw++) { + get_cpu_vsr(xb, a->xb, dw); + + tcg_gen_and_i64(tmp, mask, xb); + tcg_gen_movcond_i64(TCG_COND_EQ, all_true, tmp, + mask, all_true, zero); + + tcg_gen_andc_i64(tmp, mask, xb); + tcg_gen_movcond_i64(TCG_COND_EQ, all_false, tmp, + mask, all_false, zero); + } + + tcg_gen_or_i64(tmp, all_false, all_true); + tcg_gen_extrl_i64_i32(cpu_crf[a->bf], tmp); + + tcg_temp_free_i64(xb); + tcg_temp_free_i64(tmp); + tcg_temp_free_i64(all_true); + tcg_temp_free_i64(all_false); + + return true; +} + static void gen_xxsldwi(DisasContext *ctx) { TCGv_i64 xth, xtl; --=20 2.25.1