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Wed, 11 Dec 2024 08:32:24 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell Subject: [PATCH v3 33/69] target/arm: Convert FJCVTZS to decodetree Date: Wed, 11 Dec 2024 10:30:00 -0600 Message-ID: <20241211163036.2297116-34-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241211163036.2297116-1-richard.henderson@linaro.org> References: <20241211163036.2297116-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::832; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x832.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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1733935465005116600 Content-Type: text/plain; charset="utf-8" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/tcg/translate-a64.c | 41 +++++++++++++++++----------------- target/arm/tcg/a64.decode | 2 ++ 2 files changed, 22 insertions(+), 21 deletions(-) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 67227e2676..d260b45ddb 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -8714,6 +8714,26 @@ TRANS(FCVTZU_g, do_fcvt_g, a, FPROUNDING_ZERO, false) TRANS(FCVTAS_g, do_fcvt_g, a, FPROUNDING_TIEAWAY, true) TRANS(FCVTAU_g, do_fcvt_g, a, FPROUNDING_TIEAWAY, false) =20 +static bool trans_FJCVTZS(DisasContext *s, arg_FJCVTZS *a) +{ + if (!dc_isar_feature(aa64_jscvt, s)) { + return false; + } + if (fp_access_check(s)) { + TCGv_i64 t =3D read_fp_dreg(s, a->rn); + TCGv_ptr fpstatus =3D fpstatus_ptr(FPST_FPCR); + + gen_helper_fjcvtzs(t, t, fpstatus); + + tcg_gen_ext32u_i64(cpu_reg(s, a->rd), t); + tcg_gen_extrh_i64_i32(cpu_ZF, t); + tcg_gen_movi_i32(cpu_CF, 0); + tcg_gen_movi_i32(cpu_NF, 0); + tcg_gen_movi_i32(cpu_VF, 0); + } + return true; +} + static void handle_fmov(DisasContext *s, int rd, int rn, int type, bool it= of) { /* FMOV: gpr to or from float, double, or top half of quad fp reg, @@ -8775,20 +8795,6 @@ static void handle_fmov(DisasContext *s, int rd, int= rn, int type, bool itof) } } =20 -static void handle_fjcvtzs(DisasContext *s, int rd, int rn) -{ - TCGv_i64 t =3D read_fp_dreg(s, rn); - TCGv_ptr fpstatus =3D fpstatus_ptr(FPST_FPCR); - - gen_helper_fjcvtzs(t, t, fpstatus); - - tcg_gen_ext32u_i64(cpu_reg(s, rd), t); - tcg_gen_extrh_i64_i32(cpu_ZF, t); - tcg_gen_movi_i32(cpu_CF, 0); - tcg_gen_movi_i32(cpu_NF, 0); - tcg_gen_movi_i32(cpu_VF, 0); -} - /* Floating point <-> integer conversions * 31 30 29 28 24 23 22 21 20 19 18 16 15 10 9 5 4= 0 * +----+---+---+-----------+------+---+-------+-----+-------------+----+-= ---+ @@ -8843,13 +8849,6 @@ static void disas_fp_int_conv(DisasContext *s, uint3= 2_t insn) break; =20 case 0b00111110: /* FJCVTZS */ - if (!dc_isar_feature(aa64_jscvt, s)) { - goto do_unallocated; - } else if (fp_access_check(s)) { - handle_fjcvtzs(s, rd, rn); - } - break; - default: do_unallocated: unallocated_encoding(s); diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index 5e170cec7a..cd10961618 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -1363,6 +1363,8 @@ FCVTZU_g . 0011110 .. 111001 000000 ..... ....= . @icvt FCVTAS_g . 0011110 .. 100100 000000 ..... ..... @icvt FCVTAU_g . 0011110 .. 100101 000000 ..... ..... @icvt =20 +FJCVTZS 0 0011110 01 111110 000000 ..... ..... @rr + # Floating-point data processing (1 source) =20 FMOV_s 00011110 .. 1 000000 10000 ..... ..... @rr_hsd --=20 2.43.0