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[83.57.175.68]) by smtp.gmail.com with ESMTPSA id s10sm20256521wrm.5.2021.02.14.10.00.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Feb 2021 10:00:59 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [RFC PATCH 21/42] target/mips/tx79: Introduce PPACW opcode (Parallel Pack to Word) Date: Sun, 14 Feb 2021 18:58:51 +0100 Message-Id: <20210214175912.732946-22-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210214175912.732946-1-f4bug@amsat.org> References: <20210214175912.732946-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::42d; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x42d.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: Fredrik Noring , Aleksandar Rikalo , Richard Henderson , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Thomas Huth , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Aurelien Jarno , "Maciej W. Rozycki" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Introduce the PPACW opcode (Parallel Pack to Word). Signed-off-by: Philippe Mathieu-Daudé --- target/mips/tx79.decode | 1 + target/mips/tx79_translate.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) diff --git a/target/mips/tx79.decode b/target/mips/tx79.decode index 63fbe9694bb..653910371d2 100644 --- a/target/mips/tx79.decode +++ b/target/mips/tx79.decode @@ -38,6 +38,7 @@ PCGTH 011100 ..... ..... ..... 00110 001000 @rs_rt_rd PSUBB 011100 ..... ..... ..... 01001 001000 @rs_rt_rd PCGTB 011100 ..... ..... ..... 01010 001000 @rs_rt_rd PEXTLW 011100 ..... ..... ..... 10010 001000 @rs_rt_rd +PPACW 011100 ..... ..... ..... 10011 001000 @rs_rt_rd PEXTLH 011100 ..... ..... ..... 10110 001000 @rs_rt_rd PEXTLB 011100 ..... ..... ..... 11010 001000 @rs_rt_rd diff --git a/target/mips/tx79_translate.c b/target/mips/tx79_translate.c index 04249b0c20a..ac75d95b82b 100644 --- a/target/mips/tx79_translate.c +++ b/target/mips/tx79_translate.c @@ -416,6 +416,36 @@ static bool trans_PCEQW(DisasContext *ctx, arg_rtype *a) * PEXTLW rd, rs, rt Parallel Extend Lower from Word */ +/* Parallel Pack to Word */ +static bool trans_PPACW(DisasContext *ctx, arg_rtype *a) +{ + TCGv_i64 a0, b0, t0; + + if (a->rd == 0) { + /* nop */ + return true; + } + + a0 = tcg_temp_new_i64(); + b0 = tcg_temp_new_i64(); + t0 = tcg_temp_new_i64(); + + gen_load_gpr(a0, a->rs); + gen_load_gpr(b0, a->rt); + + gen_load_gpr_hi(t0, a->rt); /* b1 */ + tcg_gen_deposit_i64(cpu_gpr[a->rd], b0, t0, 32, 32); + + gen_load_gpr_hi(t0, a->rs); /* a1 */ + tcg_gen_deposit_i64(cpu_gpr_hi[a->rd], a0, t0, 32, 32); + + tcg_temp_free(t0); + tcg_temp_free(b0); + tcg_temp_free(a0); + + return true; +} + static bool trans_PEXTLx(DisasContext *ctx, arg_rtype *a, unsigned wlen) { TCGv_i64 ax, bx; -- 2.26.2