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bh=Pj7EyD1EM9z/nfQC5oLYK9UBvviEhn6Xd26vykHrx4M=; b=I23t9sl1eus2Lm6VwYcCKO8WA6OKCWEcvhCO03ze+hKHANjGxpblojiBQJUrXxM3gE5mY+ cJYpCnH8FJKV59rN2s8Ewa9djfCvRnMdiZ6ZHxUdJ7j3vaO36lybjvHv2547M55ES8JLxR iAfKzvl8WHXWP325IpNkIasNMmi/tzM= X-MC-Unique: yRvL_T0QMRW0cORSO72mLg-1 From: David Hildenbrand To: qemu-devel@nongnu.org Subject: [PATCH v4 22/26] s390x/tcg: Implement VECTOR FP NEGATIVE MULTIPLY AND (ADD|SUBTRACT) Date: Tue, 8 Jun 2021 11:23:33 +0200 Message-Id: <20210608092337.12221-23-david@redhat.com> In-Reply-To: <20210608092337.12221-1-david@redhat.com> References: <20210608092337.12221-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 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 | 6 +++++ target/s390x/insn-data.def | 4 ++++ target/s390x/translate_vx.c.inc | 39 +++++++++++++++++++++++++++++++-- target/s390x/vec_fpu_helper.c | 2 ++ 4 files changed, 49 insertions(+), 2 deletions(-) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 2366756063..913967ce4e 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -297,6 +297,12 @@ DEF_HELPER_FLAGS_6(gvec_vfma128, TCG_CALL_NO_WG, void,= ptr, cptr, cptr, cptr, en DEF_HELPER_FLAGS_6(gvec_vfms32, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cpt= r, env, i32) DEF_HELPER_FLAGS_6(gvec_vfms64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cpt= r, env, i32) DEF_HELPER_FLAGS_6(gvec_vfms128, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cp= tr, env, i32) +DEF_HELPER_FLAGS_6(gvec_vfnma32, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cp= tr, env, i32) +DEF_HELPER_FLAGS_6(gvec_vfnma64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cp= tr, env, i32) +DEF_HELPER_FLAGS_6(gvec_vfnma128, TCG_CALL_NO_WG, void, ptr, cptr, cptr, c= ptr, env, i32) +DEF_HELPER_FLAGS_6(gvec_vfnms32, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cp= tr, env, i32) +DEF_HELPER_FLAGS_6(gvec_vfnms64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cp= tr, env, i32) +DEF_HELPER_FLAGS_6(gvec_vfnms128, TCG_CALL_NO_WG, void, ptr, cptr, cptr, c= ptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vfsq32, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vfsq64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vfsq128, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 1a3ae7e7e7..19b02dffca 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1259,6 +1259,10 @@ F(0xe78f, VFMA, VRR_e, V, 0, 0, 0, 0, vfma, 0, IF_VEC) /* VECTOR FP MULTIPLY AND SUBTRACT */ F(0xe78e, VFMS, VRR_e, V, 0, 0, 0, 0, vfma, 0, IF_VEC) +/* VECTOR FP NEGATIVE MULTIPLY AND ADD */ + F(0xe79f, VFNMA, VRR_e, VE, 0, 0, 0, 0, vfma, 0, IF_VEC) +/* VECTOR FP NEGATIVE MULTIPLY AND SUBTRACT */ + F(0xe79e, VFNMS, VRR_e, VE, 0, 0, 0, 0, vfma, 0, IF_VEC) /* VECTOR FP PERFORM SIGN OPERATION */ F(0xe7cc, VFPSO, VRR_a, V, 0, 0, 0, 0, vfpso, 0, IF_VEC) /* VECTOR FP SQUARE ROOT */ diff --git a/target/s390x/translate_vx.c.inc b/target/s390x/translate_vx.c.= inc index 17d41b178f..200d83e783 100644 --- a/target/s390x/translate_vx.c.inc +++ b/target/s390x/translate_vx.c.inc @@ -2820,7 +2820,8 @@ static DisasJumpType op_vfma(DisasContext *s, DisasOp= s *o) const uint8_t fpf =3D get_field(s, m6); gen_helper_gvec_4_ptr *fn =3D NULL; =20 - if (s->fields.op2 =3D=3D 0x8f) { + switch (s->fields.op2) { + case 0x8f: switch (fpf) { case FPF_SHORT: if (s390_has_feat(S390_FEAT_VECTOR_ENH)) { @@ -2838,7 +2839,8 @@ static DisasJumpType op_vfma(DisasContext *s, DisasOp= s *o) default: break; } - } else { + break; + case 0x8e: switch (fpf) { case FPF_SHORT: if (s390_has_feat(S390_FEAT_VECTOR_ENH)) { @@ -2856,6 +2858,39 @@ static DisasJumpType op_vfma(DisasContext *s, DisasO= ps *o) default: break; } + break; + case 0x9f: + switch (fpf) { + case FPF_SHORT: + fn =3D gen_helper_gvec_vfnma32; + break; + case FPF_LONG: + fn =3D gen_helper_gvec_vfnma64; + break; + case FPF_EXT: + fn =3D gen_helper_gvec_vfnma128; + break; + default: + break; + } + break; + case 0x9e: + switch (fpf) { + case FPF_SHORT: + fn =3D gen_helper_gvec_vfnms32; + break; + case FPF_LONG: + fn =3D gen_helper_gvec_vfnms64; + break; + case FPF_EXT: + fn =3D gen_helper_gvec_vfnms128; + break; + default: + break; + } + break; + default: + g_assert_not_reached(); } =20 if (!fn || extract32(m5, 0, 3)) { diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c index 29ccc608dc..dc9bcc90a7 100644 --- a/target/s390x/vec_fpu_helper.c +++ b/target/s390x/vec_fpu_helper.c @@ -663,6 +663,8 @@ void HELPER(gvec_##NAME##BITS)(void *v1, const void *v2= , const void *v3, \ =20 DEF_GVEC_VFMA(vfma, 0) DEF_GVEC_VFMA(vfms, float_muladd_negate_c) +DEF_GVEC_VFMA(vfnma, float_muladd_negate_result) +DEF_GVEC_VFMA(vfnms, float_muladd_negate_c | float_muladd_negate_result) =20 void HELPER(gvec_vftci32)(void *v1, const void *v2, CPUS390XState *env, uint32_t desc) --=20 2.31.1