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bh=fS4QHngTj254VtqntLPVcQidXyVTgWogTo9uzaV/pVM=; b=Ete+61wb8HizrmmouMpefal6du+TKPgEimcJCuW/ULB29J42PhEE/6UqW7O0+JrNPkO3Cx Aw2ZJOMJJRWXiCG9c1RGBxoUI+gYwuCFT/lbGcnsGtJq6zS3DM3l2EEVDIw13htCVqyDnY PBRGdppIiUb05uwncdfV2Ji/ldt7huo= X-MC-Unique: BRDRSrUXNLiWIES5DIwMGg-1 From: David Hildenbrand To: qemu-devel@nongnu.org Subject: [PATCH v1 08/20] s390x/tcg: Implement 32/128 bit for VECTOR FP COMPARE (AND SIGNAL) SCALAR Date: Wed, 30 Sep 2020 16:55:11 +0200 Message-Id: <20200930145523.71087-9-david@redhat.com> In-Reply-To: <20200930145523.71087-1-david@redhat.com> References: <20200930145523.71087-1-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; 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charset="utf-8" Signed-off-by: David Hildenbrand --- target/s390x/helper.h | 4 +++ target/s390x/translate_vx.c.inc | 38 +++++++++++++++----- target/s390x/vec_fpu_helper.c | 64 +++++++++++++++++++-------------- 3 files changed, 72 insertions(+), 34 deletions(-) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index ab41555764..6bf4d3e7d0 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -252,8 +252,12 @@ DEF_HELPER_FLAGS_5(gvec_vfa32s, TCG_CALL_NO_WG, void, = ptr, cptr, cptr, env, i32) DEF_HELPER_FLAGS_5(gvec_vfa64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env,= i32) DEF_HELPER_FLAGS_5(gvec_vfa64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env= , i32) DEF_HELPER_FLAGS_5(gvec_vfa128, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env= , i32) +DEF_HELPER_4(gvec_wfc32, void, cptr, cptr, env, i32) +DEF_HELPER_4(gvec_wfk32, void, cptr, cptr, env, i32) DEF_HELPER_4(gvec_wfc64, void, cptr, cptr, env, i32) DEF_HELPER_4(gvec_wfk64, void, cptr, cptr, env, i32) +DEF_HELPER_4(gvec_wfc128, void, cptr, cptr, env, i32) +DEF_HELPER_4(gvec_wfk128, void, cptr, cptr, env, i32) DEF_HELPER_FLAGS_5(gvec_vfce64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env= , i32) DEF_HELPER_FLAGS_5(gvec_vfce64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, en= v, i32) DEF_HELPER_5(gvec_vfce64_cc, void, ptr, cptr, cptr, env, i32) diff --git a/target/s390x/translate_vx.c.inc b/target/s390x/translate_vx.c.= inc index 91d4e74a68..cc745784e5 100644 --- a/target/s390x/translate_vx.c.inc +++ b/target/s390x/translate_vx.c.inc @@ -2601,19 +2601,41 @@ static DisasJumpType op_wfc(DisasContext *s, DisasO= ps *o) { const uint8_t fpf =3D get_field(s, m3); const uint8_t m4 =3D get_field(s, m4); + gen_helper_gvec_2_ptr *fn =3D NULL; =20 - if (fpf !=3D FPF_LONG || m4) { + switch (fpf) { + case FPF_SHORT: + if (s390_has_feat(S390_FEAT_VECTOR_ENH)) { + fn =3D gen_helper_gvec_wfk32; + if (s->fields.op2 =3D=3D 0xcb) { + fn =3D gen_helper_gvec_wfc32; + } + } + break; + case FPF_LONG: + fn =3D gen_helper_gvec_wfk64; + if (s->fields.op2 =3D=3D 0xcb) { + fn =3D gen_helper_gvec_wfc64; + } + break; + case FPF_EXT: + if (s390_has_feat(S390_FEAT_VECTOR_ENH)) { + fn =3D gen_helper_gvec_wfk128; + if (s->fields.op2 =3D=3D 0xcb) { + fn =3D gen_helper_gvec_wfc128; + } + } + break; + default: + break; + }; + + if (!fn || m4) { gen_program_exception(s, PGM_SPECIFICATION); return DISAS_NORETURN; } =20 - if (s->fields.op2 =3D=3D 0xcb) { - gen_gvec_2_ptr(get_field(s, v1), get_field(s, v2), - cpu_env, 0, gen_helper_gvec_wfc64); - } else { - gen_gvec_2_ptr(get_field(s, v1), get_field(s, v2), - cpu_env, 0, gen_helper_gvec_wfk64); - } + gen_gvec_2_ptr(get_field(s, v1), get_field(s, v2), cpu_env, 0, fn); set_cc_static(s); return DISAS_NEXT; } diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c index 799e7f793e..1b78b6c088 100644 --- a/target/s390x/vec_fpu_helper.c +++ b/target/s390x/vec_fpu_helper.c @@ -183,37 +183,49 @@ void HELPER(gvec_vfa##BITS##s)(void *v1, const void *= v2, const void *v3, \ DEF_GVEC_FVA_S(32) DEF_GVEC_FVA_S(64) =20 -static int wfc64(const S390Vector *v1, const S390Vector *v2, - CPUS390XState *env, bool signal, uintptr_t retaddr) -{ - /* only the zero-indexed elements are compared */ - const float64 a =3D s390_vec_read_element64(v1, 0); - const float64 b =3D s390_vec_read_element64(v2, 0); - uint8_t vxc, vec_exc =3D 0; - int cmp; - - if (signal) { - cmp =3D float64_compare(a, b, &env->fpu_status); - } else { - cmp =3D float64_compare_quiet(a, b, &env->fpu_status); - } - vxc =3D check_ieee_exc(env, 0, false, &vec_exc); - handle_ieee_exc(env, vxc, vec_exc, retaddr); - - return float_comp_to_cc(env, cmp); +#define DEF_WFC(BITS) = \ +static int wfc##BITS(const S390Vector *v1, const S390Vector *v2, = \ + CPUS390XState *env, bool signal, uintptr_t retaddr) = \ +{ = \ + /* only the zero-indexed elements are compared */ = \ + const float##BITS a =3D s390_vec_read_float##BITS(v1, 0); = \ + const float##BITS b =3D s390_vec_read_float##BITS(v2, 0); = \ + uint8_t vxc, vec_exc =3D 0; = \ + int cmp; = \ + = \ + if (signal) { = \ + cmp =3D float##BITS##_compare(a, b, &env->fpu_status); = \ + } else { = \ + cmp =3D float##BITS##_compare_quiet(a, b, &env->fpu_status); = \ + } = \ + vxc =3D check_ieee_exc(env, 0, false, &vec_exc); = \ + handle_ieee_exc(env, vxc, vec_exc, retaddr); = \ + = \ + return float_comp_to_cc(env, cmp); = \ } +DEF_WFC(32) +DEF_WFC(64) +DEF_WFC(128) =20 -void HELPER(gvec_wfc64)(const void *v1, const void *v2, CPUS390XState *env, - uint32_t desc) -{ - env->cc_op =3D wfc64(v1, v2, env, false, GETPC()); +#define DEF_GVEC_WFC(BITS) = \ +void HELPER(gvec_wfc##BITS)(const void *v1, const void *v2, CPUS390XState = *env,\ + uint32_t desc) = \ +{ = \ + env->cc_op =3D wfc##BITS(v1, v2, env, false, GETPC()); = \ } +DEF_GVEC_WFC(32) +DEF_GVEC_WFC(64) +DEF_GVEC_WFC(128) =20 -void HELPER(gvec_wfk64)(const void *v1, const void *v2, CPUS390XState *env, - uint32_t desc) -{ - env->cc_op =3D wfc64(v1, v2, env, true, GETPC()); +#define DEF_GVEC_WFK(BITS) = \ +void HELPER(gvec_wfk##BITS)(const void *v1, const void *v2, CPUS390XState = *env,\ + uint32_t desc) = \ +{ = \ + env->cc_op =3D wfc##BITS(v1, v2, env, true, GETPC()); = \ } +DEF_GVEC_WFK(32) +DEF_GVEC_WFK(64) +DEF_GVEC_WFK(128) =20 typedef bool (*vfc64_fn)(float64 a, float64 b, float_status *status); static int vfc64(S390Vector *v1, const S390Vector *v2, const S390Vector *v= 3, --=20 2.26.2