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[78.62.135.63]) by smtp.gmail.com with ESMTPSA id w7-20020ac24427000000b004f3945751b2sm142632lfl.43.2023.06.08.03.42.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jun 2023 03:42:52 -0700 (PDT) From: Siarhei Volkau To: qemu-devel@nongnu.org Cc: Aleksandar Rikalo , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aurelien Jarno , Stefan Markovic , Aleksandar Markovic , Jiaxun Yang , Siarhei Volkau Subject: [PATCH 26/33] target/mips: Add emulation of MXU Q16SLL Q16SLR Q16SAR instructions Date: Thu, 8 Jun 2023 13:42:15 +0300 Message-Id: <20230608104222.1520143-27-lis8215@gmail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230608104222.1520143-1-lis8215@gmail.com> References: <20230608104222.1520143-1-lis8215@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::134; envelope-from=lis8215@gmail.com; helo=mail-lf1-x134.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, 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-Mailman-Approved-At: Thu, 08 Jun 2023 09:17:53 -0400 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org These instructions are same data shift in various directions, thus one generation function is implemented for all three. Signed-off-by: Siarhei Volkau --- target/mips/tcg/mxu_translate.c | 78 +++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/target/mips/tcg/mxu_translate.c b/target/mips/tcg/mxu_translate.c index 93644d74e2..418c02eb8e 100644 --- a/target/mips/tcg/mxu_translate.c +++ b/target/mips/tcg/mxu_translate.c @@ -400,6 +400,9 @@ enum { OPC_MXU_D32SLR = 0x31, OPC_MXU_D32SARL = 0x32, OPC_MXU_D32SAR = 0x33, + OPC_MXU_Q16SLL = 0x34, + OPC_MXU_Q16SLR = 0x35, + OPC_MXU_Q16SAR = 0x37, OPC_MXU__POOL19 = 0x38, }; @@ -1791,6 +1794,72 @@ static void gen_mxu_d32sarl(DisasContext *ctx, bool sarw) } } +/* + * Q16SLL XRa, XRd, XRb, XRc, SFT4 + * Quad 16-bit shift left from XRb and XRc to SFT4 + * bits (0..15). Store to XRa and XRd respectively. + * Q16SLR XRa, XRd, XRb, XRc, SFT4 + * Quad 16-bit shift logic right from XRb and XRc + * to SFT4 bits (0..15). Store to XRa and XRd respectively. + * Q16SAR XRa, XRd, XRb, XRc, SFT4 + * Quad 16-bit shift arithmetic right from XRb and XRc + * to SFT4 bits (0..15). Store to XRa and XRd respectively. + */ +static void gen_mxu_q16sxx(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(); + TCGv t2 = tcg_temp_new(); + TCGv t3 = tcg_temp_new(); + + gen_load_mxu_gpr(t0, XRb); + gen_load_mxu_gpr(t2, XRc); + + if (arithmetic) { + tcg_gen_sextract_tl(t1, t0, 16, 16); + tcg_gen_sextract_tl(t0, t0, 0, 16); + tcg_gen_sextract_tl(t3, t2, 16, 16); + tcg_gen_sextract_tl(t2, t2, 0, 16); + } else { + tcg_gen_extract_tl(t1, t0, 16, 16); + tcg_gen_extract_tl(t0, t0, 0, 16); + tcg_gen_extract_tl(t3, t2, 16, 16); + tcg_gen_extract_tl(t2, t2, 0, 16); + } + + if (right) { + if (arithmetic) { + tcg_gen_sari_tl(t0, t0, sft4); + tcg_gen_sari_tl(t1, t1, sft4); + tcg_gen_sari_tl(t2, t2, sft4); + tcg_gen_sari_tl(t3, t3, sft4); + } else { + tcg_gen_shri_tl(t0, t0, sft4); + tcg_gen_shri_tl(t1, t1, sft4); + tcg_gen_shri_tl(t2, t2, sft4); + tcg_gen_shri_tl(t3, t3, sft4); + } + } else { + tcg_gen_shli_tl(t0, t0, sft4); + tcg_gen_shli_tl(t1, t1, sft4); + tcg_gen_shli_tl(t2, t2, sft4); + tcg_gen_shli_tl(t3, t3, sft4); + } + tcg_gen_deposit_tl(t0, t0, t1, 16, 16); + tcg_gen_deposit_tl(t2, t2, t3, 16, 16); + + gen_store_mxu_gpr(t0, XRa); + gen_store_mxu_gpr(t2, XRd); +} + /* * MXU instruction category max/min/avg * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -4330,6 +4399,15 @@ bool decode_ase_mxu(DisasContext *ctx, uint32_t insn) case OPC_MXU_D32SAR: gen_mxu_d32sxx(ctx, true, true); break; + case OPC_MXU_Q16SLL: + gen_mxu_q16sxx(ctx, false, false); + break; + case OPC_MXU_Q16SLR: + gen_mxu_q16sxx(ctx, true, false); + break; + case OPC_MXU_Q16SAR: + gen_mxu_q16sxx(ctx, true, true); + break; case OPC_MXU__POOL19: decode_opc_mxu__pool19(ctx); break; -- 2.40.0