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[97.126.112.211]) by smtp.gmail.com with ESMTPSA id p20-v6sm4577638pff.90.2018.06.26.21.33.58 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 26 Jun 2018 21:33:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=A9fH4Y/CsOq2xS27tz8HpWWa5Nt50JQqxNt4bJzisd0=; b=dT7Ss+eCFWTfxQ0PXtUUeme7cGsCttKYzHg2qYGTDQIvwhDWMn6v6sqUzrZ8sqUHE1 pOHlhDSl9RZVboz3EOBVNkNGaGvukBLrjH0ncS2YziYa3EzadFeLKSvURpmSXbjPASbn s2DipVRf5pLXBxOcvLa3MEbpdrk4ZXHjDFRqA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=A9fH4Y/CsOq2xS27tz8HpWWa5Nt50JQqxNt4bJzisd0=; b=ZgL30GHn51lO9fdMLB8O4gPIiVAU3lV7vyXzGwUVEI+5ctpUvv/ehDUTmDM7dUh91U LYEAgFR4DOJmGEzYK6YaQ9Obd40EU7lKEfCVDood1uxBtFzFZp7kwH07dB6mWCqcQvkC UHkysZ19hKElrmh549BLaTWazwh7/Ja64gJnZ9ZjwlabHbuVALSfXulurbe5wJHwSB/n MZGcXO5LOPc/DFCoPo09au08Ou4Lv6CdtrslStCDlESFky6+oHnjP1sJmISFxJxK4uK+ 61EalB5UEUQCXWeIlj6MNVHgqsi3HOxDxemW5UfLQInE253mTvPUfMqiedfy8dOD5yAy WibQ== X-Gm-Message-State: APt69E0T4Gv3iKV2iAiChVENMG2kAH6mThDzzHswxyi5bcjbr2bI7STT g3Iuy0ES9WXrMsh9Hr67otuGlUhJ+gk= X-Google-Smtp-Source: ADUXVKKsF6I+RE8p0Zb3wQAnUAM56/yAKGkYfG5LheQyf8CLxn7xZ0Cfpl+Y285aTEYH0KXoOLEJHw== X-Received: by 2002:a65:61d1:: with SMTP id j17-v6mr3820198pgv.447.1530074039342; Tue, 26 Jun 2018 21:33:59 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 26 Jun 2018 21:33:13 -0700 Message-Id: <20180627043328.11531-21-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180627043328.11531-1-richard.henderson@linaro.org> References: <20180627043328.11531-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c05::232 Subject: [Qemu-devel] [PATCH v6 20/35] target/arm: Implement SVE Floating Point Unary Operations - Unpredicated Group X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/helper.h | 8 +++++++ target/arm/translate-sve.c | 47 ++++++++++++++++++++++++++++++++++++++ target/arm/vec_helper.c | 20 ++++++++++++++++ target/arm/sve.decode | 5 ++++ 4 files changed, 80 insertions(+) diff --git a/target/arm/helper.h b/target/arm/helper.h index 56439ac1e4..ad9cb6c7d5 100644 --- a/target/arm/helper.h +++ b/target/arm/helper.h @@ -601,6 +601,14 @@ DEF_HELPER_FLAGS_5(gvec_fcmlas_idx, TCG_CALL_NO_RWG, DEF_HELPER_FLAGS_5(gvec_fcmlad, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) =20 +DEF_HELPER_FLAGS_4(gvec_frecpe_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i3= 2) +DEF_HELPER_FLAGS_4(gvec_frecpe_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i3= 2) +DEF_HELPER_FLAGS_4(gvec_frecpe_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i3= 2) + +DEF_HELPER_FLAGS_4(gvec_frsqrte_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i= 32) +DEF_HELPER_FLAGS_4(gvec_frsqrte_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i= 32) +DEF_HELPER_FLAGS_4(gvec_frsqrte_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i= 32) + DEF_HELPER_FLAGS_5(gvec_fadd_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr,= i32) DEF_HELPER_FLAGS_5(gvec_fadd_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr,= i32) DEF_HELPER_FLAGS_5(gvec_fadd_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr,= i32) diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index 3b009193a9..1dcc2d38c9 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -3507,6 +3507,53 @@ DO_VPZ(FMAXNMV, fmaxnmv) DO_VPZ(FMINV, fminv) DO_VPZ(FMAXV, fmaxv) =20 +/* + *** SVE Floating Point Unary Operations - Unpredicated Group + */ + +static void do_zz_fp(DisasContext *s, arg_rr_esz *a, gen_helper_gvec_2_ptr= *fn) +{ + unsigned vsz =3D vec_full_reg_size(s); + TCGv_ptr status =3D get_fpstatus_ptr(a->esz =3D=3D MO_16); + + tcg_gen_gvec_2_ptr(vec_full_reg_offset(s, a->rd), + vec_full_reg_offset(s, a->rn), + status, vsz, vsz, 0, fn); + tcg_temp_free_ptr(status); +} + +static bool trans_FRECPE(DisasContext *s, arg_rr_esz *a, uint32_t insn) +{ + static gen_helper_gvec_2_ptr * const fns[3] =3D { + gen_helper_gvec_frecpe_h, + gen_helper_gvec_frecpe_s, + gen_helper_gvec_frecpe_d, + }; + if (a->esz =3D=3D 0) { + return false; + } + if (sve_access_check(s)) { + do_zz_fp(s, a, fns[a->esz - 1]); + } + return true; +} + +static bool trans_FRSQRTE(DisasContext *s, arg_rr_esz *a, uint32_t insn) +{ + static gen_helper_gvec_2_ptr * const fns[3] =3D { + gen_helper_gvec_frsqrte_h, + gen_helper_gvec_frsqrte_s, + gen_helper_gvec_frsqrte_d, + }; + if (a->esz =3D=3D 0) { + return false; + } + if (sve_access_check(s)) { + do_zz_fp(s, a, fns[a->esz - 1]); + } + return true; +} + /* *** SVE Floating Point Accumulating Reduction Group */ diff --git a/target/arm/vec_helper.c b/target/arm/vec_helper.c index 97af75a61b..073e5c58e7 100644 --- a/target/arm/vec_helper.c +++ b/target/arm/vec_helper.c @@ -427,6 +427,26 @@ void HELPER(gvec_fcmlad)(void *vd, void *vn, void *vm, clear_tail(d, opr_sz, simd_maxsz(desc)); } =20 +#define DO_2OP(NAME, FUNC, TYPE) \ +void HELPER(NAME)(void *vd, void *vn, void *stat, uint32_t desc) \ +{ \ + intptr_t i, oprsz =3D simd_oprsz(desc); \ + TYPE *d =3D vd, *n =3D vn; \ + for (i =3D 0; i < oprsz / sizeof(TYPE); i++) { \ + d[i] =3D FUNC(n[i], stat); \ + } \ +} + +DO_2OP(gvec_frecpe_h, helper_recpe_f16, float16) +DO_2OP(gvec_frecpe_s, helper_recpe_f32, float32) +DO_2OP(gvec_frecpe_d, helper_recpe_f64, float64) + +DO_2OP(gvec_frsqrte_h, helper_rsqrte_f16, float16) +DO_2OP(gvec_frsqrte_s, helper_rsqrte_f32, float32) +DO_2OP(gvec_frsqrte_d, helper_rsqrte_f64, float64) + +#undef DO_2OP + /* Floating-point trigonometric starting value. * See the ARM ARM pseudocode function FPTrigSMul. */ diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 66b0fd0cc4..ca93bdb2b3 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -743,6 +743,11 @@ FMINNMV 01100101 .. 000 101 001 ... ..... ....= . @rd_pg_rn FMAXV 01100101 .. 000 110 001 ... ..... ..... @rd_pg_rn FMINV 01100101 .. 000 111 001 ... ..... ..... @rd_pg_rn =20 +## SVE Floating Point Unary Operations - Unpredicated Group + +FRECPE 01100101 .. 001 110 001100 ..... ..... @rd_rn +FRSQRTE 01100101 .. 001 111 001100 ..... ..... @rd_rn + ### SVE FP Accumulating Reduction Group =20 # SVE floating-point serial reduction (predicated) --=20 2.17.1