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bh=cBh/A9K6OXS9yOcxVodh5dmxu/rI9zI9VQhbYXYyfOk=; b=XfO3lL+8LargPC+gOhoeDrvoHkRmNrZ9EpXXu50ZEqPYf/xWi+9CrsoCiYUqVw6hHHZ+nM D+e+YgnhiztB3LwcqvpQVkGPrGHssDFkkQfGZ6u5qcYXSj40TkJg58jYCZBHjNTMDPRuaX rqveDUvMcNMcZNUB69SQlhGUmtCjqfQ= X-MC-Unique: V0q3pVYmPpyXE64k1GB6ew-1 From: David Hildenbrand To: qemu-devel@nongnu.org Subject: [PATCH v3 11/26] s390x/tcg: Implement VECTOR BIT PERMUTE Date: Mon, 7 Jun 2021 13:03:23 +0200 Message-Id: <20210607110338.31058-12-david@redhat.com> In-Reply-To: <20210607110338.31058-1-david@redhat.com> References: <20210607110338.31058-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=david@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com 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=170.10.133.124; envelope-from=david@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.2, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , David Hildenbrand , Cornelia Huck , Richard Henderson , Laurent Vivier , Halil Pasic , Christian Borntraeger , qemu-s390x@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/helper.h | 1 + target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.c.inc | 8 ++++++++ target/s390x/vec_helper.c | 22 ++++++++++++++++++++++ 4 files changed, 33 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 0cfb82ee8a..e99c9643eb 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -126,6 +126,7 @@ DEF_HELPER_FLAGS_1(stck, TCG_CALL_NO_RWG_SE, i64, env) DEF_HELPER_FLAGS_3(probe_write_access, TCG_CALL_NO_WG, void, env, i64, i64) =20 /* =3D=3D=3D Vector Support Instructions =3D=3D=3D */ +DEF_HELPER_FLAGS_4(gvec_vbperm, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i3= 2) DEF_HELPER_FLAGS_4(vll, TCG_CALL_NO_WG, void, env, ptr, i64, i64) DEF_HELPER_FLAGS_4(gvec_vpk16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) DEF_HELPER_FLAGS_4(gvec_vpk32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 35a0086a85..1634a6bc5a 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -989,6 +989,8 @@ =20 /* =3D=3D=3D Vector Support Instructions =3D=3D=3D */ =20 +/* VECTOR BIT PERMUTE */ + E(0xe785, VBPERM, VRR_c, VE, 0, 0, 0, 0, vbperm, 0, 0, IF_VEC) /* VECTOR GATHER ELEMENT */ E(0xe713, VGEF, VRV, V, la2, 0, 0, 0, vge, 0, ES_32, IF_VEC) E(0xe712, VGEG, VRV, V, la2, 0, 0, 0, vge, 0, ES_64, IF_VEC) diff --git a/target/s390x/translate_vx.c.inc b/target/s390x/translate_vx.c.= inc index 91e2967c49..96283d4ddb 100644 --- a/target/s390x/translate_vx.c.inc +++ b/target/s390x/translate_vx.c.inc @@ -327,6 +327,14 @@ static void gen_addi2_i64(TCGv_i64 dl, TCGv_i64 dh, TC= Gv_i64 al, TCGv_i64 ah, tcg_temp_free_i64(bh); } =20 +static DisasJumpType op_vbperm(DisasContext *s, DisasOps *o) +{ + gen_gvec_3_ool(get_field(s, v1), get_field(s, v2), get_field(s, v3), 0, + gen_helper_gvec_vbperm); + + return DISAS_NEXT; +} + static DisasJumpType op_vge(DisasContext *s, DisasOps *o) { const uint8_t es =3D s->insn->data; diff --git a/target/s390x/vec_helper.c b/target/s390x/vec_helper.c index 986e7cc825..599bab06bd 100644 --- a/target/s390x/vec_helper.c +++ b/target/s390x/vec_helper.c @@ -19,6 +19,28 @@ #include "exec/cpu_ldst.h" #include "exec/exec-all.h" =20 +void HELPER(gvec_vbperm)(void *v1, const void *v2, const void *v3, + uint32_t desc) +{ + S390Vector tmp =3D {}; + uint16_t result =3D 0; + int i; + + for (i =3D 0; i < 16; i++) { + const uint8_t bit_nr =3D s390_vec_read_element8(v3, i); + uint16_t bit; + + if (bit_nr >=3D 128) { + continue; + } + bit =3D (s390_vec_read_element8(v2, bit_nr / 8) + >> (7 - (bit_nr % 8))) & 1; + result |=3D (bit << (15 - i)); + } + s390_vec_write_element16(&tmp, 3, result); + *(S390Vector *)v1 =3D tmp; +} + void HELPER(vll)(CPUS390XState *env, void *v1, uint64_t addr, uint64_t byt= es) { if (likely(bytes >=3D 16)) { --=20 2.31.1