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[83.57.168.62]) by smtp.gmail.com with ESMTPSA id m15sm464521wmq.0.2021.10.27.11.08.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Oct 2021 11:08:42 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v2 15/32] target/mips: Convert MSA FILL opcode to decodetree Date: Wed, 27 Oct 2021 20:07:13 +0200 Message-Id: <20211027180730.1551932-16-f4bug@amsat.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211027180730.1551932-1-f4bug@amsat.org> References: <20211027180730.1551932-1-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::32c; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wm1-x32c.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=0.25, 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: Aleksandar Rikalo , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aurelien Jarno Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Convert the FILL opcode (Vector Fill from GPR) to decodetree. Reviewed-by: Jiaxun Yang Signed-off-by: Philippe Mathieu-Daudé --- v2: - check TARGET_LONG_BITS != 64 before check_msa_access() - !check_msa_access returns true - Use tcg_constant_i32() --- target/mips/tcg/msa.decode | 2 ++ target/mips/tcg/msa_translate.c | 32 ++++++++++++++++++++------------ 2 files changed, 22 insertions(+), 12 deletions(-) diff --git a/target/mips/tcg/msa.decode b/target/mips/tcg/msa.decode index 395a2cbafeb..030ffa9321b 100644 --- a/target/mips/tcg/msa.decode +++ b/target/mips/tcg/msa.decode @@ -28,6 +28,7 @@ @ldst ...... sa:s10 ws:5 wd:5 .... df:2 &msa_ldst @bz_v ...... ... .. wt:5 sa:16 &msa_bz df=3 @bz ...... ... df:2 wt:5 sa:16 &msa_bz +@2r ...... ........ df:2 ws:5 wd:5 ...... &msa_r wt=0 @2rf ...... ......... df:1 ws:5 wd:5 ...... &msa_r wt=0 @u5 ...... ... df:2 sa:5 ws:5 wd:5 ...... &msa_i5 @s5 ...... ... df:2 sa:s5 ws:5 wd:5 ...... &msa_i5 @@ -83,6 +84,7 @@ BNZ 010001 111 .. ..... ................ @bz SRARI 011110 010 ....... ..... ..... 001010 @bit SRLRI 011110 011 ....... ..... ..... 001010 @bit + FILL 011110 11000000 .. ..... ..... 011110 @2r FCLASS 011110 110010000 . ..... ..... 011110 @2rf FTRUNC_S 011110 110010001 . ..... ..... 011110 @2rf FTRUNC_U 011110 110010010 . ..... ..... 011110 @2rf diff --git a/target/mips/tcg/msa_translate.c b/target/mips/tcg/msa_translate.c index a61ba9a4db8..004eb0b7700 100644 --- a/target/mips/tcg/msa_translate.c +++ b/target/mips/tcg/msa_translate.c @@ -56,7 +56,6 @@ enum { OPC_MSA_2R = (0x18 << 21) | OPC_MSA_VEC, /* 2R instruction df(bits 17..16) = _b, _h, _w, _d */ - OPC_FILL_df = (0x00 << 18) | OPC_MSA_2R, OPC_PCNT_df = (0x01 << 18) | OPC_MSA_2R, OPC_NLOC_df = (0x02 << 18) | OPC_MSA_2R, OPC_NLZC_df = (0x03 << 18) | OPC_MSA_2R, @@ -1843,17 +1842,6 @@ static void gen_msa_2r(DisasContext *ctx) TCGv_i32 tws = tcg_const_i32(ws); switch (MASK_MSA_2R(ctx->opcode)) { - case OPC_FILL_df: -#if !defined(TARGET_MIPS64) - /* Double format valid only for MIPS64 */ - if (df == DF_DOUBLE) { - gen_reserved_instruction(ctx); - break; - } -#endif - gen_helper_msa_fill_df(cpu_env, tcg_constant_i32(df), - twd, tws); /* trs */ - break; case OPC_NLOC_df: switch (df) { case DF_BYTE: @@ -1912,6 +1900,26 @@ static void gen_msa_2r(DisasContext *ctx) tcg_temp_free_i32(tws); } +static bool trans_FILL(DisasContext *ctx, arg_msa_r *a) +{ + if (TARGET_LONG_BITS != 64 && a->df == DF_DOUBLE) { + /* Double format valid only for MIPS64 */ + gen_reserved_instruction(ctx); + return true; + } + + if (!check_msa_enabled(ctx)) { + return true; + } + + gen_helper_msa_fill_df(cpu_env, + tcg_constant_i32(a->df), + tcg_constant_i32(a->wd), + tcg_constant_i32(a->ws)); + + return true; +} + static bool trans_msa_2rf(DisasContext *ctx, arg_msa_r *a, gen_helper_piii *gen_msa_2rf) { -- 2.31.1