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Fri, 30 Apr 2021 13:29:52 -0700 (PDT) Received: from localhost.localdomain ([71.212.144.24]) by smtp.gmail.com with ESMTPSA id q23sm3788781pgt.42.2021.04.30.13.29.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Apr 2021 13:29:52 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v6 67/82] target/arm: Implement SVE2 FCVTXNT, FCVTX Date: Fri, 30 Apr 2021 13:25:55 -0700 Message-Id: <20210430202610.1136687-68-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210430202610.1136687-1-richard.henderson@linaro.org> References: <20210430202610.1136687-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::62b; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62b.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: qemu-arm@nongnu.org, Stephen Long Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Stephen Long Signed-off-by: Stephen Long Message-Id: <20200428174332.17162-4-steplong@quicinc.com> [rth: Use do_frint_mode, which avoids a specific runtime helper.] Signed-off-by: Richard Henderson --- target/arm/sve.decode | 2 ++ target/arm/translate-sve.c | 49 ++++++++++++++++++++++++++++++-------- 2 files changed, 41 insertions(+), 10 deletions(-) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index fb998f5f34..46153d6a84 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -1533,6 +1533,8 @@ SM4EKEY 01000101 00 1 ..... 11110 0 ..... ..... @rd_rn_rm_e0 RAX1 01000101 00 1 ..... 11110 1 ..... ..... @rd_rn_rm_e0 ### SVE2 floating-point convert precision odd elements +FCVTXNT_ds 01100100 00 0010 10 101 ... ..... ..... @rd_pg_rn_e0 +FCVTX_ds 01100101 00 0010 10 101 ... ..... ..... @rd_pg_rn_e0 FCVTNT_sh 01100100 10 0010 00 101 ... ..... ..... @rd_pg_rn_e0 FCVTLT_hs 01100100 10 0010 01 101 ... ..... ..... @rd_pg_rn_e0 FCVTNT_ds 01100100 11 0010 10 101 ... ..... ..... @rd_pg_rn_e0 diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index f5bf122204..87e5c8ac63 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -4715,11 +4715,9 @@ static bool trans_FRINTX(DisasContext *s, arg_rpr_esz *a) return do_zpz_ptr(s, a->rd, a->rn, a->pg, a->esz == MO_16, fns[a->esz - 1]); } -static bool do_frint_mode(DisasContext *s, arg_rpr_esz *a, int mode) +static bool do_frint_mode(DisasContext *s, arg_rpr_esz *a, + int mode, gen_helper_gvec_3_ptr *fn) { - if (a->esz == 0) { - return false; - } if (sve_access_check(s)) { unsigned vsz = vec_full_reg_size(s); TCGv_i32 tmode = tcg_const_i32(mode); @@ -4730,7 +4728,7 @@ static bool do_frint_mode(DisasContext *s, arg_rpr_esz *a, int mode) tcg_gen_gvec_3_ptr(vec_full_reg_offset(s, a->rd), vec_full_reg_offset(s, a->rn), pred_full_reg_offset(s, a->pg), - status, vsz, vsz, 0, frint_fns[a->esz - 1]); + status, vsz, vsz, 0, fn); gen_helper_set_rmode(tmode, tmode, status); tcg_temp_free_i32(tmode); @@ -4741,27 +4739,42 @@ static bool do_frint_mode(DisasContext *s, arg_rpr_esz *a, int mode) static bool trans_FRINTN(DisasContext *s, arg_rpr_esz *a) { - return do_frint_mode(s, a, float_round_nearest_even); + if (a->esz == 0) { + return false; + } + return do_frint_mode(s, a, float_round_nearest_even, frint_fns[a->esz - 1]); } static bool trans_FRINTP(DisasContext *s, arg_rpr_esz *a) { - return do_frint_mode(s, a, float_round_up); + if (a->esz == 0) { + return false; + } + return do_frint_mode(s, a, float_round_up, frint_fns[a->esz - 1]); } static bool trans_FRINTM(DisasContext *s, arg_rpr_esz *a) { - return do_frint_mode(s, a, float_round_down); + if (a->esz == 0) { + return false; + } + return do_frint_mode(s, a, float_round_down, frint_fns[a->esz - 1]); } static bool trans_FRINTZ(DisasContext *s, arg_rpr_esz *a) { - return do_frint_mode(s, a, float_round_to_zero); + if (a->esz == 0) { + return false; + } + return do_frint_mode(s, a, float_round_to_zero, frint_fns[a->esz - 1]); } static bool trans_FRINTA(DisasContext *s, arg_rpr_esz *a) { - return do_frint_mode(s, a, float_round_ties_away); + if (a->esz == 0) { + return false; + } + return do_frint_mode(s, a, float_round_ties_away, frint_fns[a->esz - 1]); } static bool trans_FRECPX(DisasContext *s, arg_rpr_esz *a) @@ -8202,3 +8215,19 @@ static bool trans_FCVTLT_sd(DisasContext *s, arg_rpr_esz *a) } return do_zpz_ptr(s, a->rd, a->rn, a->pg, false, gen_helper_sve2_fcvtlt_sd); } + +static bool trans_FCVTX_ds(DisasContext *s, arg_rpr_esz *a) +{ + if (!dc_isar_feature(aa64_sve2, s)) { + return false; + } + return do_frint_mode(s, a, float_round_to_odd, gen_helper_sve_fcvt_ds); +} + +static bool trans_FCVTXNT_ds(DisasContext *s, arg_rpr_esz *a) +{ + if (!dc_isar_feature(aa64_sve2, s)) { + return false; + } + return do_frint_mode(s, a, float_round_to_odd, gen_helper_sve2_fcvtnt_ds); +} -- 2.25.1