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[176.184.47.225]) by smtp.gmail.com with ESMTPSA id cr13-20020a05600004ed00b003143ba62cf4sm524681wrb.86.2023.07.10.15.28.43 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 10 Jul 2023 15:28:44 -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 28/44] target/mips/mxu: Add D32SLL D32SLR D32SAR instructions Date: Tue, 11 Jul 2023 00:25:55 +0200 Message-Id: <20230710222611.50978-29-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::32e; envelope-from=philmd@linaro.org; helo=mail-wm1-x32e.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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Siarhei Volkau These instructions are same data shift in various directions, thus one generation function is implemented for all three. Signed-off-by: Siarhei Volkau Message-Id: <20230608104222.1520143-26-lis8215@gmail.com> Signed-off-by: Philippe Mathieu-Daudé --- target/mips/tcg/mxu_translate.c | 55 +++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/target/mips/tcg/mxu_translate.c b/target/mips/tcg/mxu_translate.c index 36fb4232cd..79263e97c3 100644 --- a/target/mips/tcg/mxu_translate.c +++ b/target/mips/tcg/mxu_translate.c @@ -394,7 +394,10 @@ enum { OPC_MXU_S16SDI = 0x2D, OPC_MXU_S32M2I = 0x2E, OPC_MXU_S32I2M = 0x2F, + OPC_MXU_D32SLL = 0x30, + OPC_MXU_D32SLR = 0x31, OPC_MXU_D32SARL = 0x32, + OPC_MXU_D32SAR = 0x33, OPC_MXU__POOL19 = 0x38, }; @@ -1701,6 +1704,49 @@ static void gen_mxu_S32XOR(DisasContext *ctx) * Q16SLLV Q16SLRV Q16SARV */ +/* + * D32SLL XRa, XRd, XRb, XRc, SFT4 + * Dual 32-bit shift left from XRb and XRc to SFT4 + * bits (0..15). Store to XRa and XRd respectively. + * D32SLR XRa, XRd, XRb, XRc, SFT4 + * Dual 32-bit shift logic right from XRb and XRc + * to SFT4 bits (0..15). Store to XRa and XRd respectively. + * D32SAR XRa, XRd, XRb, XRc, SFT4 + * Dual 32-bit shift arithmetic right from XRb and XRc + * to SFT4 bits (0..15). Store to XRa and XRd respectively. + */ +static void gen_mxu_d32sxx(DisasContext *ctx, bool right, bool arithmetic) +{ + uint32_t XRa, XRb, XRc, XRd, sft4; + + XRa = extract32(ctx->opcode, 6, 4); + XRb = extract32(ctx->opcode, 10, 4); + XRc = extract32(ctx->opcode, 14, 4); + XRd = extract32(ctx->opcode, 18, 4); + sft4 = extract32(ctx->opcode, 22, 4); + + TCGv t0 = tcg_temp_new(); + TCGv t1 = tcg_temp_new(); + + gen_load_mxu_gpr(t0, XRb); + gen_load_mxu_gpr(t1, XRc); + + if (right) { + if (arithmetic) { + tcg_gen_sari_tl(t0, t0, sft4); + tcg_gen_sari_tl(t1, t1, sft4); + } else { + tcg_gen_shri_tl(t0, t0, sft4); + tcg_gen_shri_tl(t1, t1, sft4); + } + } else { + tcg_gen_shli_tl(t0, t0, sft4); + tcg_gen_shli_tl(t1, t1, sft4); + } + gen_store_mxu_gpr(t0, XRa); + gen_store_mxu_gpr(t1, XRd); +} + /* * D32SARL XRa, XRb, XRc, SFT4 * Dual shift arithmetic right 32-bit integers in XRb and XRc @@ -4270,9 +4316,18 @@ bool decode_ase_mxu(DisasContext *ctx, uint32_t insn) case OPC_MXU_S16SDI: gen_mxu_s16std(ctx, true); break; + case OPC_MXU_D32SLL: + gen_mxu_d32sxx(ctx, false, false); + break; + case OPC_MXU_D32SLR: + gen_mxu_d32sxx(ctx, true, false); + break; case OPC_MXU_D32SARL: gen_mxu_d32sarl(ctx, false); break; + case OPC_MXU_D32SAR: + gen_mxu_d32sxx(ctx, true, true); + break; case OPC_MXU__POOL19: decode_opc_mxu__pool19(ctx); break;