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[176.184.47.225]) by smtp.gmail.com with ESMTPSA id y18-20020adffa52000000b00313f031876esm535652wrr.43.2023.07.10.15.29.20 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 10 Jul 2023 15:29:20 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Siarhei Volkau , Huacai Chen , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Jiaxun Yang Subject: [PULL 35/44] target/mips/mxu: Add S32SFL instruction Date: Tue, 11 Jul 2023 00:26:02 +0200 Message-Id: <20230710222611.50978-36-philmd@linaro.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230710222611.50978-1-philmd@linaro.org> References: <20230710222611.50978-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32c; envelope-from=philmd@linaro.org; helo=mail-wm1-x32c.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, T_SCC_BODY_TEXT_LINE=-0.01 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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org From: Siarhei Volkau The instruction shuffles 8 bytes in two registers by one of 4 predefined patterns. Signed-off-by: Siarhei Volkau Message-Id: <20230608104222.1520143-33-lis8215@gmail.com> Signed-off-by: Philippe Mathieu-Daudé --- target/mips/tcg/mxu_translate.c | 81 +++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) diff --git a/target/mips/tcg/mxu_translate.c b/target/mips/tcg/mxu_translate.c index 84c52c55d6..c60404f739 100644 --- a/target/mips/tcg/mxu_translate.c +++ b/target/mips/tcg/mxu_translate.c @@ -407,6 +407,7 @@ enum { OPC_MXU__POOL21 = 0x3A, OPC_MXU_Q16SCOP = 0x3B, OPC_MXU_Q8MADL = 0x3C, + OPC_MXU_S32SFL = 0x3D, }; @@ -3961,6 +3962,83 @@ static void gen_mxu_q16scop(DisasContext *ctx) gen_store_mxu_gpr(t4, XRd); } +/* + * S32SFL XRa, XRd, XRb, XRc + * Shuffle bytes according to one of four patterns. + */ +static void gen_mxu_s32sfl(DisasContext *ctx) +{ + uint32_t XRd, XRc, XRb, XRa, ptn2; + + XRd = extract32(ctx->opcode, 18, 4); + XRc = extract32(ctx->opcode, 14, 4); + XRb = extract32(ctx->opcode, 10, 4); + XRa = extract32(ctx->opcode, 6, 4); + ptn2 = extract32(ctx->opcode, 24, 2); + + TCGv t0 = tcg_temp_new(); + TCGv t1 = tcg_temp_new(); + TCGv t2 = tcg_temp_new(); + TCGv t3 = tcg_temp_new(); + + gen_load_mxu_gpr(t0, XRb); + gen_load_mxu_gpr(t1, XRc); + + switch (ptn2) { + case 0: + tcg_gen_andi_tl(t2, t0, 0xff000000); + tcg_gen_andi_tl(t3, t1, 0x000000ff); + tcg_gen_deposit_tl(t3, t3, t0, 8, 8); + tcg_gen_shri_tl(t0, t0, 8); + tcg_gen_shri_tl(t1, t1, 8); + tcg_gen_deposit_tl(t3, t3, t0, 24, 8); + tcg_gen_deposit_tl(t3, t3, t1, 16, 8); + tcg_gen_shri_tl(t0, t0, 8); + tcg_gen_shri_tl(t1, t1, 8); + tcg_gen_deposit_tl(t2, t2, t0, 8, 8); + tcg_gen_deposit_tl(t2, t2, t1, 0, 8); + tcg_gen_shri_tl(t1, t1, 8); + tcg_gen_deposit_tl(t2, t2, t1, 16, 8); + break; + case 1: + tcg_gen_andi_tl(t2, t0, 0xff000000); + tcg_gen_andi_tl(t3, t1, 0x000000ff); + tcg_gen_deposit_tl(t3, t3, t0, 16, 8); + tcg_gen_shri_tl(t0, t0, 8); + tcg_gen_shri_tl(t1, t1, 8); + tcg_gen_deposit_tl(t2, t2, t0, 16, 8); + tcg_gen_deposit_tl(t2, t2, t1, 0, 8); + tcg_gen_shri_tl(t0, t0, 8); + tcg_gen_shri_tl(t1, t1, 8); + tcg_gen_deposit_tl(t3, t3, t0, 24, 8); + tcg_gen_deposit_tl(t3, t3, t1, 8, 8); + tcg_gen_shri_tl(t1, t1, 8); + tcg_gen_deposit_tl(t2, t2, t1, 8, 8); + break; + case 2: + tcg_gen_andi_tl(t2, t0, 0xff00ff00); + tcg_gen_andi_tl(t3, t1, 0x00ff00ff); + tcg_gen_deposit_tl(t3, t3, t0, 8, 8); + tcg_gen_shri_tl(t0, t0, 16); + tcg_gen_shri_tl(t1, t1, 8); + tcg_gen_deposit_tl(t2, t2, t1, 0, 8); + tcg_gen_deposit_tl(t3, t3, t0, 24, 8); + tcg_gen_shri_tl(t1, t1, 16); + tcg_gen_deposit_tl(t2, t2, t1, 16, 8); + break; + case 3: + tcg_gen_andi_tl(t2, t0, 0xffff0000); + tcg_gen_andi_tl(t3, t1, 0x0000ffff); + tcg_gen_shri_tl(t1, t1, 16); + tcg_gen_deposit_tl(t2, t2, t1, 0, 16); + tcg_gen_deposit_tl(t3, t3, t0, 16, 16); + break; + } + + gen_store_mxu_gpr(t2, XRa); + gen_store_mxu_gpr(t3, XRd); +} + /* * MXU instruction category: align * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -4959,6 +5037,9 @@ bool decode_ase_mxu(DisasContext *ctx, uint32_t insn) case OPC_MXU_Q8MADL: gen_mxu_q8madl(ctx); break; + case OPC_MXU_S32SFL: + gen_mxu_s32sfl(ctx); + break; default: return false; }