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Wed, 15 Dec 2021 11:59:05 -0500 Received: from mxplan5.mail.ovh.net (unknown [10.108.16.62]) by mo548.mail-out.ovh.net (Postfix) with ESMTPS id BECFF20394; Wed, 15 Dec 2021 16:58:56 +0000 (UTC) Received: from kaod.org (37.59.142.95) by DAG4EX1.mxp5.local (172.16.2.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.17; Wed, 15 Dec 2021 17:58:56 +0100 Authentication-Results: garm.ovh; auth=pass (GARM-95G00156ea0447-4060-4968-b866-3cf0ed18c6a6, DB2000250E14A505ED1736C7348301D5E40ED0AA) smtp.auth=clg@kaod.org X-OVh-ClientIp: 90.76.172.47 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: , Subject: [PULL 007/102] target/ppc: Implement Vector Extract Mask Date: Wed, 15 Dec 2021 17:57:12 +0100 Message-ID: <20211215165847.321042-8-clg@kaod.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211215165847.321042-1-clg@kaod.org> References: <20211215165847.321042-1-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Originating-IP: [37.59.142.95] X-ClientProxiedBy: DAG8EX2.mxp5.local (172.16.2.72) To DAG4EX1.mxp5.local (172.16.2.31) X-Ovh-Tracer-GUID: 935f9b84-c75a-403f-a470-7b120074b43f X-Ovh-Tracer-Id: 2220274618433637158 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedvuddrledvgdeljecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhvffufffkofgjfhggtgfgihesthekredtredtjeenucfhrhhomhepveorughrihgtucfnvgcuifhorghtvghruceotghlgheskhgrohgurdhorhhgqeenucggtffrrghtthgvrhhnpeehheefgeejiedtffefteejudevjeeufeeugfdtfeeuleeuteevleeihffhgfdtleenucfkpheptddrtddrtddrtddpfeejrdehledrudegvddrleehnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmohguvgepshhmthhpohhuthdphhgvlhhopehmgihplhgrnhehrdhmrghilhdrohhvhhdrnhgvthdpihhnvghtpedtrddtrddtrddtpdhmrghilhhfrhhomheptghlgheskhgrohgurdhorhhgpdhrtghpthhtoheptghlgheskhgrohgurdhorhhg 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=188.165.49.213; envelope-from=clg@kaod.org; helo=5.mo548.mail-out.ovh.net X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, 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: , Cc: Peter Maydell , Richard Henderson , Matheus Ferst , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1639588745031100001 From: Matheus Ferst Implement the following PowerISA v3.1 instructions: vextractbm: Vector Extract Byte Mask vextracthm: Vector Extract Halfword Mask vextractwm: Vector Extract Word Mask vextractdm: Vector Extract Doubleword Mask vextractqm: Vector Extract Quadword Mask Signed-off-by: Matheus Ferst Reviewed-by: Richard Henderson Message-Id: <20211203194229.746275-3-matheus.ferst@eldorado.org.br> Signed-off-by: C=C3=A9dric Le Goater --- target/ppc/insn32.decode | 6 +++ target/ppc/translate/vmx-impl.c.inc | 82 +++++++++++++++++++++++++++++ 2 files changed, 88 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 9a28f1d266bb..639ac22bf055 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -419,6 +419,12 @@ VEXPANDWM 000100 ..... 00010 ..... 11001000010 = @VX_tb VEXPANDDM 000100 ..... 00011 ..... 11001000010 @VX_tb VEXPANDQM 000100 ..... 00100 ..... 11001000010 @VX_tb =20 +VEXTRACTBM 000100 ..... 01000 ..... 11001000010 @VX_tb +VEXTRACTHM 000100 ..... 01001 ..... 11001000010 @VX_tb +VEXTRACTWM 000100 ..... 01010 ..... 11001000010 @VX_tb +VEXTRACTDM 000100 ..... 01011 ..... 11001000010 @VX_tb +VEXTRACTQM 000100 ..... 01100 ..... 11001000010 @VX_tb + # VSX Load/Store Instructions =20 LXV 111101 ..... ..... ............ . 001 @DQ_TSX diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx= -impl.c.inc index ebb048432369..96c97bf6e74c 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -1525,6 +1525,88 @@ static bool trans_VEXPANDQM(DisasContext *ctx, arg_V= X_tb *a) return true; } =20 +static bool do_vextractm(DisasContext *ctx, arg_VX_tb *a, unsigned vece) +{ + const uint64_t elem_width =3D 8 << vece, elem_count_half =3D 8 >> vece, + mask =3D dup_const(vece, 1 << (elem_width - 1)); + uint64_t i, j; + TCGv_i64 lo, hi, t0, t1; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VECTOR(ctx); + + hi =3D tcg_temp_new_i64(); + lo =3D tcg_temp_new_i64(); + t0 =3D tcg_temp_new_i64(); + t1 =3D tcg_temp_new_i64(); + + get_avr64(lo, a->vrb, false); + get_avr64(hi, a->vrb, true); + + tcg_gen_andi_i64(lo, lo, mask); + tcg_gen_andi_i64(hi, hi, mask); + + /* + * Gather the most significant bit of each element in the highest elem= ent + * element. E.g. for bytes: + * aXXXXXXXbXXXXXXXcXXXXXXXdXXXXXXXeXXXXXXXfXXXXXXXgXXXXXXXhXXXXXXX + * & dup(1 << (elem_width - 1)) + * a0000000b0000000c0000000d0000000e0000000f0000000g0000000h0000000 + * << 32 - 4 + * 0000e0000000f0000000g0000000h00000000000000000000000000000000000 + * | + * a000e000b000f000c000g000d000h000e0000000f0000000g0000000h0000000 + * << 16 - 2 + * 00c000g000d000h000e0000000f0000000g0000000h000000000000000000000 + * | + * a0c0e0g0b0d0f0h0c0e0g000d0f0h000e0g00000f0h00000g0000000h0000000 + * << 8 - 1 + * 0b0d0f0h0c0e0g000d0f0h000e0g00000f0h00000g0000000h00000000000000 + * | + * abcdefghbcdefgh0cdefgh00defgh000efgh0000fgh00000gh000000h0000000 + */ + for (i =3D elem_count_half / 2, j =3D 32; i > 0; i >>=3D 1, j >>=3D 1)= { + tcg_gen_shli_i64(t0, hi, j - i); + tcg_gen_shli_i64(t1, lo, j - i); + tcg_gen_or_i64(hi, hi, t0); + tcg_gen_or_i64(lo, lo, t1); + } + + tcg_gen_shri_i64(hi, hi, 64 - elem_count_half); + tcg_gen_extract2_i64(lo, lo, hi, 64 - elem_count_half); + tcg_gen_trunc_i64_tl(cpu_gpr[a->vrt], lo); + + tcg_temp_free_i64(hi); + tcg_temp_free_i64(lo); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + + return true; +} + +TRANS(VEXTRACTBM, do_vextractm, MO_8) +TRANS(VEXTRACTHM, do_vextractm, MO_16) +TRANS(VEXTRACTWM, do_vextractm, MO_32) +TRANS(VEXTRACTDM, do_vextractm, MO_64) + +static bool trans_VEXTRACTQM(DisasContext *ctx, arg_VX_tb *a) +{ + TCGv_i64 tmp; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VECTOR(ctx); + + tmp =3D tcg_temp_new_i64(); + + get_avr64(tmp, a->vrb, true); + tcg_gen_shri_i64(tmp, tmp, 63); + tcg_gen_trunc_i64_tl(cpu_gpr[a->vrt], tmp); + + tcg_temp_free_i64(tmp); + + return true; +} + #define GEN_VAFORM_PAIRED(name0, name1, opc2) \ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \ { \ --=20 2.31.1