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Tue, 15 Dec 2020 18:04:37 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC v2 13/15] target/riscv: rvb: address calculation Date: Wed, 16 Dec 2020 10:01:38 +0800 Message-Id: <20201216020150.3157-14-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::1029; envelope-from=frank.chang@sifive.com; helo=mail-pj1-x1029.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 Reviewed-by: Richard Henderson --- target/riscv/insn32-64.decode | 3 +++ target/riscv/insn32.decode | 3 +++ target/riscv/insn_trans/trans_rvb.c.inc | 23 ++++++++++++++++++ target/riscv/translate.c | 32 +++++++++++++++++++++++++ 4 files changed, 61 insertions(+) diff --git a/target/riscv/insn32-64.decode b/target/riscv/insn32-64.decode index 46f469700b5..1059cab5aa4 100644 --- a/target/riscv/insn32-64.decode +++ b/target/riscv/insn32-64.decode @@ -104,6 +104,9 @@ rorw 0110000 .......... 101 ..... 0111011 @r rolw 0110000 .......... 001 ..... 0111011 @r grevw 0110100 .......... 101 ..... 0111011 @r gorcw 0010100 .......... 101 ..... 0111011 @r +sh1addu_w 0010000 .......... 010 ..... 0111011 @r +sh2addu_w 0010000 .......... 100 ..... 0111011 @r +sh3addu_w 0010000 .......... 110 ..... 0111011 @r =20 sbsetiw 0010100 .......... 001 ..... 0011011 @sh5 sbclriw 0100100 .......... 001 ..... 0011011 @sh5 diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 98d2ee0ab56..67c8bc5485b 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -621,6 +621,9 @@ ror 0110000 .......... 101 ..... 0110011 @r rol 0110000 .......... 001 ..... 0110011 @r grev 0110100 .......... 101 ..... 0110011 @r gorc 0010100 .......... 101 ..... 0110011 @r +sh1add 0010000 .......... 010 ..... 0110011 @r +sh2add 0010000 .......... 100 ..... 0110011 @r +sh3add 0010000 .......... 110 ..... 0110011 @r =20 sbseti 00101. ........... 001 ..... 0010011 @sh sbclri 01001. ........... 001 ..... 0010011 @sh diff --git a/target/riscv/insn_trans/trans_rvb.c.inc b/target/riscv/insn_tr= ans/trans_rvb.c.inc index c35fe84444c..07fe662b005 100644 --- a/target/riscv/insn_trans/trans_rvb.c.inc +++ b/target/riscv/insn_trans/trans_rvb.c.inc @@ -253,6 +253,17 @@ static bool trans_gorci(DisasContext *ctx, arg_gorci *= a) return gen_shifti(ctx, a, &gen_helper_gorc); } =20 +#define GEN_TRANS_SHADD(SHAMT) = \ +static bool trans_sh##SHAMT##add(DisasContext *ctx, arg_sh##SHAMT##add *a)= \ +{ = \ + REQUIRE_EXT(ctx, RVB); = \ + return gen_arith(ctx, a, &gen_sh##SHAMT##add); = \ +} + +GEN_TRANS_SHADD(1) +GEN_TRANS_SHADD(2) +GEN_TRANS_SHADD(3) + /* RV64-only instructions */ #ifdef TARGET_RISCV64 =20 @@ -418,4 +429,16 @@ static bool trans_gorciw(DisasContext *ctx, arg_gorciw= *a) return gen_shiftiw(ctx, a, &gen_gorcw); } =20 +#define GEN_TRANS_SHADDU_W(SHAMT) \ +static bool trans_sh##SHAMT##addu_w(DisasContext *ctx, \ + arg_sh##SHAMT##addu_w *a) \ +{ \ + REQUIRE_EXT(ctx, RVB); \ + return gen_arith(ctx, a, &gen_sh##SHAMT##addu_w); \ +} + +GEN_TRANS_SHADDU_W(1) +GEN_TRANS_SHADDU_W(2) +GEN_TRANS_SHADDU_W(3) + #endif diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 021daf10875..f9385bbcd4f 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -837,6 +837,21 @@ static bool gen_grevi(DisasContext *ctx, arg_grevi *a) return true; } =20 +#define GEN_SHADD(SHAMT) \ +static void gen_sh##SHAMT##add(TCGv ret, TCGv arg1, TCGv arg2) \ +{ \ + TCGv t =3D tcg_temp_new(); \ + \ + tcg_gen_shli_tl(t, arg1, SHAMT); \ + tcg_gen_add_tl(ret, t, arg2); \ + \ + tcg_temp_free(t); \ +} + +GEN_SHADD(1) +GEN_SHADD(2) +GEN_SHADD(3) + #ifdef TARGET_RISCV64 =20 static void gen_ctzw(TCGv ret, TCGv arg1) @@ -923,6 +938,23 @@ static void gen_gorcw(TCGv ret, TCGv arg1, TCGv arg2) gen_helper_gorc(ret, arg1, arg2); } =20 +#define GEN_SHADDU_W(SHAMT) \ +static void gen_sh##SHAMT##addu_w(TCGv ret, TCGv arg1, TCGv arg2) \ +{ \ + TCGv t =3D tcg_temp_new(); \ + \ + tcg_gen_ext32u_tl(t, arg1); \ + \ + tcg_gen_shli_tl(t, t, SHAMT); \ + tcg_gen_add_tl(ret, t, arg2); \ + \ + tcg_temp_free(t); \ +} + +GEN_SHADDU_W(1) +GEN_SHADDU_W(2) +GEN_SHADDU_W(3) + #endif =20 static bool gen_arith(DisasContext *ctx, arg_r *a, --=20 2.17.1