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[114.34.229.221]) by smtp.gmail.com with ESMTPSA id c125sm22301879pfa.119.2020.07.22.02.22.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Jul 2020 02:22:17 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC v2 67/76] target/riscv: rvv-0.9: remove integer extract instruction Date: Wed, 22 Jul 2020 17:16:30 +0800 Message-Id: <20200722091641.8834-68-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200722091641.8834-1-frank.chang@sifive.com> References: <20200722091641.8834-1-frank.chang@sifive.com> Received-SPF: pass client-ip=2607:f8b0:4864:20::1036; envelope-from=frank.chang@sifive.com; helo=mail-pj1-x1036.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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, URIBL_BLOCKED=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 , Richard Henderson , Alistair Francis , Palmer Dabbelt , LIU Zhiwei Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Frank Chang Signed-off-by: Frank Chang --- target/riscv/insn32.decode | 1 - target/riscv/insn_trans/trans_rvv.inc.c | 23 ----------------------- 2 files changed, 24 deletions(-) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 47337abe52..bc0e44b8ab 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -590,7 +590,6 @@ viota_m 010100 . ..... 10000 010 ..... 1010111 @r2_vm vid_v 010100 . 00000 10001 010 ..... 1010111 @r1_vm vmv_x_s 010000 1 ..... 00000 010 ..... 1010111 @r2rd vmv_s_x 010000 1 00000 ..... 110 ..... 1010111 @r2 -vext_x_v 001100 1 ..... ..... 010 ..... 1010111 @r vfmv_f_s 010000 1 ..... 00000 001 ..... 1010111 @r2rd vfmv_s_f 010000 1 00000 ..... 101 ..... 1010111 @r2 vslideup_vx 001110 . ..... ..... 100 ..... 1010111 @r_vm diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_trans/trans_rvv.inc.c index ea55428293..6249f9af5b 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -3206,8 +3206,6 @@ static bool trans_vid_v(DisasContext *s, arg_vid_v *a) *** Vector Permutation Instructions */ -/* Integer Extract Instruction */ - static void load_element(TCGv_i64 dest, TCGv_ptr base, int ofs, int sew, bool sign) { @@ -3309,27 +3307,6 @@ static void vec_element_loadi(DisasContext *s, TCGv_i64 dest, load_element(dest, cpu_env, endian_ofs(s, vreg, idx), s->sew, sign); } -static bool trans_vext_x_v(DisasContext *s, arg_r *a) -{ - TCGv_i64 tmp = tcg_temp_new_i64(); - TCGv dest = tcg_temp_new(); - - if (a->rs1 == 0) { - /* Special case vmv.x.s rd, vs2. */ - vec_element_loadi(s, tmp, a->rs2, 0); - } else { - /* This instruction ignores LMUL and vector register groups */ - int vlmax = s->vlen >> (3 + s->sew); - vec_element_loadx(s, tmp, a->rs2, cpu_gpr[a->rs1], vlmax); - } - tcg_gen_trunc_i64_tl(dest, tmp); - gen_set_gpr(a->rd, dest); - - tcg_temp_free(dest); - tcg_temp_free_i64(tmp); - return true; -} - /* Integer Scalar Move Instruction */ static void store_element(TCGv_i64 val, TCGv_ptr base, -- 2.17.1