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Tue, 26 Nov 2024 06:00:43 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aurelien Jarno , Aleksandar Rikalo , Richard Henderson , Jiaxun Yang Subject: [PATCH v3 06/16] target/mips: Decode LSA shift amount using decodetree function Date: Tue, 26 Nov 2024 14:59:52 +0100 Message-ID: <20241126140003.74871-7-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241126140003.74871-1-philmd@linaro.org> References: <20241126140003.74871-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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=2a00:1450:4864:20::435; envelope-from=philmd@linaro.org; helo=mail-wr1-x435.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=ham 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: 1732629844072019100 Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Message-Id: <20241112172022.88348-5-philmd@linaro.org> --- target/mips/tcg/msa.decode | 3 ++- target/mips/tcg/rel6.decode | 4 +++- target/mips/tcg/msa_translate.c | 4 ++-- target/mips/tcg/rel6_translate.c | 9 +++++++-- 4 files changed, 14 insertions(+), 6 deletions(-) diff --git a/target/mips/tcg/msa.decode b/target/mips/tcg/msa.decode index 4410e2a02e1..798e8c401ab 100644 --- a/target/mips/tcg/msa.decode +++ b/target/mips/tcg/msa.decode @@ -21,6 +21,7 @@ &msa_elm_df df wd ws n &msa_elm wd ws =20 +%lsa_sa 6:2 !function=3Dplus_1 %elm_df 16:6 !function=3Delm_df %elm_n 16:6 !function=3Delm_n %bit_df 16:7 !function=3Dbit_df @@ -29,7 +30,7 @@ %3r_df_h 21:1 !function=3Dplus_1 %3r_df_w 21:1 !function=3Dplus_2 =20 -@lsa ...... rs:5 rt:5 rd:5 ... sa:2 ...... &r +@lsa ...... rs:5 rt:5 rd:5 ... .. ...... &r sa=3D%lsa_sa @ldst ...... sa:s10 ws:5 wd:5 .... df:2 &msa_i @bz_v ...... ... .. wt:5 sa:s16 &msa_bz df=3D3 @bz ...... ... df:2 wt:5 sa:s16 &msa_bz diff --git a/target/mips/tcg/rel6.decode b/target/mips/tcg/rel6.decode index d6989cf56e8..a9031171b54 100644 --- a/target/mips/tcg/rel6.decode +++ b/target/mips/tcg/rel6.decode @@ -16,7 +16,9 @@ =20 &r rs rt rd sa =20 -@lsa ...... rs:5 rt:5 rd:5 ... sa:2 ...... &r +%lsa_sa 6:2 !function=3Dplus_1 + +@lsa ...... rs:5 rt:5 rd:5 ... .. ...... &r sa=3D%lsa_sa =20 LSA 000000 ..... ..... ..... 000 .. 000101 @lsa DLSA 000000 ..... ..... ..... 000 .. 010101 @lsa diff --git a/target/mips/tcg/msa_translate.c b/target/mips/tcg/msa_translat= e.c index 82b149922fa..75cf80a20ed 100644 --- a/target/mips/tcg/msa_translate.c +++ b/target/mips/tcg/msa_translate.c @@ -780,7 +780,7 @@ TRANS_DF_iv(ST, trans_msa_ldst, gen_helper_msa_st); =20 static bool trans_LSA(DisasContext *ctx, arg_r *a) { - return gen_lsa(ctx, a->rd, a->rt, a->rs, a->sa + 1); + return gen_lsa(ctx, a->rd, a->rt, a->rs, a->sa); } =20 static bool trans_DLSA(DisasContext *ctx, arg_r *a) @@ -788,5 +788,5 @@ static bool trans_DLSA(DisasContext *ctx, arg_r *a) if (TARGET_LONG_BITS !=3D 64) { return false; } - return gen_dlsa(ctx, a->rd, a->rt, a->rs, a->sa + 1); + return gen_dlsa(ctx, a->rd, a->rt, a->rs, a->sa); } diff --git a/target/mips/tcg/rel6_translate.c b/target/mips/tcg/rel6_transl= ate.c index 363bc864912..2522ecae2ba 100644 --- a/target/mips/tcg/rel6_translate.c +++ b/target/mips/tcg/rel6_translate.c @@ -11,6 +11,11 @@ #include "qemu/osdep.h" #include "translate.h" =20 +static inline int plus_1(DisasContext *ctx, int x) +{ + return x + 1; +} + /* Include the auto-generated decoders. */ #include "decode-rel6.c.inc" =20 @@ -23,7 +28,7 @@ bool trans_REMOVED(DisasContext *ctx, arg_REMOVED *a) =20 static bool trans_LSA(DisasContext *ctx, arg_r *a) { - return gen_lsa(ctx, a->rd, a->rt, a->rs, a->sa + 1); + return gen_lsa(ctx, a->rd, a->rt, a->rs, a->sa); } =20 static bool trans_DLSA(DisasContext *ctx, arg_r *a) @@ -31,5 +36,5 @@ static bool trans_DLSA(DisasContext *ctx, arg_r *a) if (TARGET_LONG_BITS !=3D 64) { return false; } - return gen_dlsa(ctx, a->rd, a->rt, a->rs, a->sa + 1); + return gen_dlsa(ctx, a->rd, a->rt, a->rs, a->sa); } --=20 2.45.2