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[122.116.72.36]) by smtp.gmail.com with ESMTPSA id js6sm35877977pjb.0.2021.05.05.09.07.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 May 2021 09:07:06 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v6 11/17] target/riscv: rvb: rotate (left/right) Date: Thu, 6 May 2021 00:06:12 +0800 Message-Id: <20210505160620.15723-12-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210505160620.15723-1-frank.chang@sifive.com> References: <20210505160620.15723-1-frank.chang@sifive.com> Received-SPF: pass client-ip=2607:f8b0:4864:20::62c; envelope-from=frank.chang@sifive.com; helo=mail-pl1-x62c.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: Frank Chang , Bin Meng , Richard Henderson , Alistair Francis , Palmer Dabbelt , Kito Cheng Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Kito Cheng Signed-off-by: Kito Cheng Signed-off-by: Frank Chang Reviewed-by: Richard Henderson --- target/riscv/insn32.decode | 6 ++++ target/riscv/insn_trans/trans_rvb.c.inc | 39 +++++++++++++++++++++++++ target/riscv/translate.c | 36 +++++++++++++++++++++++ 3 files changed, 81 insertions(+) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 6bc9bbae9e0..71a9a182c01 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -682,6 +682,8 @@ binv 0110100 .......... 001 ..... 0110011 @r bext 0100100 .......... 101 ..... 0110011 @r slo 0010000 .......... 001 ..... 0110011 @r sro 0010000 .......... 101 ..... 0110011 @r +ror 0110000 .......... 101 ..... 0110011 @r +rol 0110000 .......... 001 ..... 0110011 @r bseti 00101. ........... 001 ..... 0010011 @sh bclri 01001. ........... 001 ..... 0010011 @sh @@ -689,6 +691,7 @@ binvi 01101. ........... 001 ..... 0010011 @sh bexti 01001. ........... 101 ..... 0010011 @sh sloi 00100. ........... 001 ..... 0010011 @sh sroi 00100. ........... 101 ..... 0010011 @sh +rori 01100. ........... 101 ..... 0010011 @sh # *** RV64B Standard Extension (in addition to RV32B) *** clzw 0110000 00000 ..... 001 ..... 0011011 @r2 @@ -703,9 +706,12 @@ binvw 0110100 .......... 001 ..... 0111011 @r bextw 0100100 .......... 101 ..... 0111011 @r slow 0010000 .......... 001 ..... 0111011 @r srow 0010000 .......... 101 ..... 0111011 @r +rorw 0110000 .......... 101 ..... 0111011 @r +rolw 0110000 .......... 001 ..... 0111011 @r bsetiw 0010100 .......... 001 ..... 0011011 @sh5 bclriw 0100100 .......... 001 ..... 0011011 @sh5 binviw 0110100 .......... 001 ..... 0011011 @sh5 sloiw 0010000 .......... 001 ..... 0011011 @sh5 sroiw 0010000 .......... 101 ..... 0011011 @sh5 +roriw 0110000 .......... 101 ..... 0011011 @sh5 diff --git a/target/riscv/insn_trans/trans_rvb.c.inc b/target/riscv/insn_trans/trans_rvb.c.inc index 28640322c43..429738db155 100644 --- a/target/riscv/insn_trans/trans_rvb.c.inc +++ b/target/riscv/insn_trans/trans_rvb.c.inc @@ -179,6 +179,24 @@ static bool trans_sroi(DisasContext *ctx, arg_sroi *a) return gen_shifti(ctx, a, gen_sro); } +static bool trans_ror(DisasContext *ctx, arg_ror *a) +{ + REQUIRE_EXT(ctx, RVB); + return gen_shift(ctx, a, tcg_gen_rotr_tl); +} + +static bool trans_rori(DisasContext *ctx, arg_rori *a) +{ + REQUIRE_EXT(ctx, RVB); + return gen_shifti(ctx, a, tcg_gen_rotr_tl); +} + +static bool trans_rol(DisasContext *ctx, arg_rol *a) +{ + REQUIRE_EXT(ctx, RVB); + return gen_shift(ctx, a, tcg_gen_rotl_tl); +} + static bool trans_clzw(DisasContext *ctx, arg_clzw *a) { REQUIRE_64BIT(ctx); @@ -290,3 +308,24 @@ static bool trans_sroiw(DisasContext *ctx, arg_sroiw *a) REQUIRE_EXT(ctx, RVB); return gen_shiftiw(ctx, a, gen_sro); } + +static bool trans_rorw(DisasContext *ctx, arg_rorw *a) +{ + REQUIRE_64BIT(ctx); + REQUIRE_EXT(ctx, RVB); + return gen_shiftw(ctx, a, gen_rorw); +} + +static bool trans_roriw(DisasContext *ctx, arg_roriw *a) +{ + REQUIRE_64BIT(ctx); + REQUIRE_EXT(ctx, RVB); + return gen_shiftiw(ctx, a, gen_rorw); +} + +static bool trans_rolw(DisasContext *ctx, arg_rolw *a) +{ + REQUIRE_64BIT(ctx); + REQUIRE_EXT(ctx, RVB); + return gen_shiftw(ctx, a, gen_rolw); +} diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 088cf9f7678..c09b93f1b8a 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -663,6 +663,42 @@ static void gen_packuw(TCGv ret, TCGv arg1, TCGv arg2) tcg_temp_free(t); } +static void gen_rorw(TCGv ret, TCGv arg1, TCGv arg2) +{ + TCGv_i32 t1 = tcg_temp_new_i32(); + TCGv_i32 t2 = tcg_temp_new_i32(); + + /* truncate to 32-bits */ + tcg_gen_trunc_tl_i32(t1, arg1); + tcg_gen_trunc_tl_i32(t2, arg2); + + tcg_gen_rotr_i32(t1, t1, t2); + + /* sign-extend 64-bits */ + tcg_gen_ext_i32_tl(ret, t1); + + tcg_temp_free_i32(t1); + tcg_temp_free_i32(t2); +} + +static void gen_rolw(TCGv ret, TCGv arg1, TCGv arg2) +{ + TCGv_i32 t1 = tcg_temp_new_i32(); + TCGv_i32 t2 = tcg_temp_new_i32(); + + /* truncate to 32-bits */ + tcg_gen_trunc_tl_i32(t1, arg1); + tcg_gen_trunc_tl_i32(t2, arg2); + + tcg_gen_rotl_i32(t1, t1, t2); + + /* sign-extend 64-bits */ + tcg_gen_ext_i32_tl(ret, t1); + + tcg_temp_free_i32(t1); + tcg_temp_free_i32(t2); +} + static bool gen_arith(DisasContext *ctx, arg_r *a, void(*func)(TCGv, TCGv, TCGv)) { -- 2.17.1