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Tue, 15 Dec 2020 18:02:16 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC v2 04/15] target/riscv: rvb: logic-with-negate Date: Wed, 16 Dec 2020 10:01:29 +0800 Message-Id: <20201216020150.3157-5-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201216020150.3157-1-frank.chang@sifive.com> References: <20201216020150.3157-1-frank.chang@sifive.com> 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::42a; envelope-from=frank.chang@sifive.com; helo=mail-pf1-x42a.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: Sagar Karandikar , Frank Chang , Bastian Koppelmann , Alistair Francis , Palmer Dabbelt , Kito Cheng Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Kito Cheng Signed-off-by: Kito Cheng Signed-off-by: Frank Chang --- target/riscv/insn32.decode | 4 ++++ target/riscv/insn_trans/trans_rvb.c.inc | 18 ++++++++++++++++++ target/riscv/translate.c | 21 +++++++++++++++++++++ 3 files changed, 43 insertions(+) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index ac4d8395a45..85421dccb99 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -598,3 +598,7 @@ vsetvl 1000000 ..... ..... 111 ..... 1010111 = @r clz 011000 000000 ..... 001 ..... 0010011 @r2 ctz 011000 000001 ..... 001 ..... 0010011 @r2 pcnt 011000 000010 ..... 001 ..... 0010011 @r2 + +andn 0100000 .......... 111 ..... 0110011 @r +orn 0100000 .......... 110 ..... 0110011 @r +xnor 0100000 .......... 100 ..... 0110011 @r diff --git a/target/riscv/insn_trans/trans_rvb.c.inc b/target/riscv/insn_tr= ans/trans_rvb.c.inc index f5930f2ad53..6016ceefd64 100644 --- a/target/riscv/insn_trans/trans_rvb.c.inc +++ b/target/riscv/insn_trans/trans_rvb.c.inc @@ -35,6 +35,24 @@ static bool trans_pcnt(DisasContext *ctx, arg_pcnt *a) return gen_unary(ctx, a, &tcg_gen_ctpop_tl); } =20 +static bool trans_andn(DisasContext *ctx, arg_andn *a) +{ + REQUIRE_EXT(ctx, RVB); + return gen_arith(ctx, a, &gen_andn); +} + +static bool trans_orn(DisasContext *ctx, arg_orn *a) +{ + REQUIRE_EXT(ctx, RVB); + return gen_arith(ctx, a, &gen_orn); +} + +static bool trans_xnor(DisasContext *ctx, arg_xnor *a) +{ + REQUIRE_EXT(ctx, RVB); + return gen_arith(ctx, a, &gen_xnor); +} + /* RV64-only instructions */ #ifdef TARGET_RISCV64 =20 diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 4c9eb86e630..fb0b2fd0728 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -711,6 +711,27 @@ static bool gen_arith_div_uw(DisasContext *ctx, arg_r = *a, =20 #endif =20 +static void gen_andn(TCGv ret, TCGv arg1, TCGv arg2) +{ + TCGv t =3D tcg_temp_new(); + tcg_gen_andc_tl(ret, arg1, arg2); + tcg_temp_free(t); +} + +static void gen_orn(TCGv ret, TCGv arg1, TCGv arg2) +{ + TCGv t =3D tcg_temp_new(); + tcg_gen_orc_tl(ret, arg1, arg2); + tcg_temp_free(t); +} + +static void gen_xnor(TCGv ret, TCGv arg1, TCGv arg2) +{ + TCGv t =3D tcg_temp_new(); + tcg_gen_eqv_tl(ret, arg1, arg2); + tcg_temp_free(t); +} + #ifdef TARGET_RISCV64 =20 static void gen_ctzw(TCGv ret, TCGv arg1) --=20 2.17.1