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([91.209.212.80]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-53f93377eefsm1026343e87.67.2024.12.10.08.19.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Dec 2024 08:19:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1733847583; x=1734452383; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=0WKSI6cr1CPrTsqeI72Zls4iEeURwQEM5mywoVvBUjA=; b=IcUSA1X9kFiKDWEDAhcIW5992AlaV9VxpsTxJn+UCKO8JhPGRp0gNiD19AqDl2hp14 u0/5AWB8BgUZkhnGwvX9iBOIpu7Df3WEPPATvlY2sEKMqRm7iU3fVRfFYDrzVjED9y38 57vydJCIkFPzrXMca9HbM8Fkbk0CG9iGOSlfK95FQIpo0VvEOSFGfDGgh1kfxxeyhSm4 naiZd0CC7POeZjjIneEixwZKTHU5uDiQl6mWkgB+fSkNk8VA7JQ5T1M20VbUElezuRzk AzZ5OX2j6SHH5YDz0g43xjdzcSBDMjJj/TxHMhy4SwKUyigl2NwR92rn5aCJ0ovVssrY g6qA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733847583; x=1734452383; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0WKSI6cr1CPrTsqeI72Zls4iEeURwQEM5mywoVvBUjA=; b=dit+Ioe+CeIYmqO3fFZvOtZ9CMA1aIxrGJDlBgawNMClrEsTlwvhcPJHiinYpct15P TsDvAxkPtLLTosygDubNXBuh2JetVxGF9XgidiJ36jdAiGruHH0ebMXXSkBlY8PnQZl2 dBru2Ii13Z0i1tnxhvXMBE89SfhvY83rq3vOzOxfoff7FtKY8qrgh94OlIpdkXyFLw4e 9FPjEUcmQwLvj0K6Qsju1txtiRi3X00iOcMqrTXjVYXYyo/OzslFfkh7QrSueemMiWrN 1zwyffsjr4Wjhi3ztl7DTC+468KDrwiK6MlU/OpBRHxsoan22RSQRdcB0ZZ4IjVGUWZc qTiw== X-Gm-Message-State: AOJu0YzqiKqpH9LCr5tDECIPznzRz34VF6u9KUQsmDcy/mDbtSErrmmT a6MJ8e9Oe2KJZ/ny1BvKu80+sVS5K6fb9uN3BPWymdDE2KzcaDYpXMRKYxGlbIIH7aWtXciYgiA qOJV7NUbd X-Gm-Gg: ASbGncvvrpjQVtLocwJdtTgVdQOwVbvt2fDhhr9FG76VozKKrvXOUVDaJMbNL3r1HiP txjV/iDcHCM713k3EvcyZf6Ru6xyQEemAKfeYjtRxI0U+Bi6NjB3SN0SPamn9tgqN2EwVnzJAec OGxH2EcuZNE6zwp+uR1jcYoaNeIq8TdCiCRDZmwuPwvwuRKAI7VkI72WiLHwZKgG3eUwF6EDMZO xo178zvixkVUKpvDVbCcyalY68r87+IeVKNHGGKsSzljN9ybY7eDGEy2lE= X-Google-Smtp-Source: AGHT+IHgsNYH7Vz0hjZHVlTdXHTmWpPB72u5Wy8HcJdpNg4Bw99AlU1LZh9D2rEPsswa31bmP1NhZw== X-Received: by 2002:a05:6512:2207:b0:53e:3a8a:79b3 with SMTP id 2adb3069b0e04-53e3a8a79bbmr3976421e87.21.1733847583090; Tue, 10 Dec 2024 08:19:43 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell Subject: [PATCH v2 30/69] target/arm: Convert FRINT{32, 64}[ZX] (scalar) to decodetree Date: Tue, 10 Dec 2024 10:16:54 -0600 Message-ID: <20241210161733.1830573-31-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241210161733.1830573-1-richard.henderson@linaro.org> References: <20241210161733.1830573-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::12e; envelope-from=richard.henderson@linaro.org; helo=mail-lf1-x12e.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 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1733847626675116600 Content-Type: text/plain; charset="utf-8" Remove handle_fp_1src_single and handle_fp_1src_double as these were the last insns decoded by those functions. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/tcg/translate-a64.c | 146 ++++----------------------------- target/arm/tcg/a64.decode | 5 ++ 2 files changed, 22 insertions(+), 129 deletions(-) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index ef0379d17f..5a48a2ef2d 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -8425,112 +8425,23 @@ static const FPScalar1 f_scalar_bfcvt =3D { }; TRANS_FEAT(BFCVT_s, aa64_bf16, do_fp1_scalar, a, &f_scalar_bfcvt, -1) =20 -/* Floating-point data-processing (1 source) - single precision */ -static void handle_fp_1src_single(DisasContext *s, int opcode, int rd, int= rn) -{ - void (*gen_fpst)(TCGv_i32, TCGv_i32, TCGv_ptr); - TCGv_i32 tcg_op, tcg_res; - TCGv_ptr fpst; - int rmode =3D -1; +static const FPScalar1 f_scalar_frint32 =3D { + NULL, + gen_helper_frint32_s, + gen_helper_frint32_d, +}; +TRANS_FEAT(FRINT32Z_s, aa64_frint, do_fp1_scalar, a, + &f_scalar_frint32, FPROUNDING_ZERO) +TRANS_FEAT(FRINT32X_s, aa64_frint, do_fp1_scalar, a, &f_scalar_frint32, -1) =20 - tcg_op =3D read_fp_sreg(s, rn); - tcg_res =3D tcg_temp_new_i32(); - - switch (opcode) { - case 0x10: /* FRINT32Z */ - rmode =3D FPROUNDING_ZERO; - gen_fpst =3D gen_helper_frint32_s; - break; - case 0x11: /* FRINT32X */ - gen_fpst =3D gen_helper_frint32_s; - break; - case 0x12: /* FRINT64Z */ - rmode =3D FPROUNDING_ZERO; - gen_fpst =3D gen_helper_frint64_s; - break; - case 0x13: /* FRINT64X */ - gen_fpst =3D gen_helper_frint64_s; - break; - default: - case 0x0: /* FMOV */ - case 0x1: /* FABS */ - case 0x2: /* FNEG */ - case 0x3: /* FSQRT */ - case 0x6: /* BFCVT */ - case 0x8: /* FRINTN */ - case 0x9: /* FRINTP */ - case 0xa: /* FRINTM */ - case 0xb: /* FRINTZ */ - case 0xc: /* FRINTA */ - case 0xe: /* FRINTX */ - case 0xf: /* FRINTI */ - g_assert_not_reached(); - } - - fpst =3D fpstatus_ptr(FPST_FPCR); - if (rmode >=3D 0) { - TCGv_i32 tcg_rmode =3D gen_set_rmode(rmode, fpst); - gen_fpst(tcg_res, tcg_op, fpst); - gen_restore_rmode(tcg_rmode, fpst); - } else { - gen_fpst(tcg_res, tcg_op, fpst); - } - - write_fp_sreg(s, rd, tcg_res); -} - -/* Floating-point data-processing (1 source) - double precision */ -static void handle_fp_1src_double(DisasContext *s, int opcode, int rd, int= rn) -{ - void (*gen_fpst)(TCGv_i64, TCGv_i64, TCGv_ptr); - TCGv_i64 tcg_op, tcg_res; - TCGv_ptr fpst; - int rmode =3D -1; - - tcg_op =3D read_fp_dreg(s, rn); - tcg_res =3D tcg_temp_new_i64(); - - switch (opcode) { - case 0x10: /* FRINT32Z */ - rmode =3D FPROUNDING_ZERO; - gen_fpst =3D gen_helper_frint32_d; - break; - case 0x11: /* FRINT32X */ - gen_fpst =3D gen_helper_frint32_d; - break; - case 0x12: /* FRINT64Z */ - rmode =3D FPROUNDING_ZERO; - gen_fpst =3D gen_helper_frint64_d; - break; - case 0x13: /* FRINT64X */ - gen_fpst =3D gen_helper_frint64_d; - break; - default: - case 0x0: /* FMOV */ - case 0x1: /* FABS */ - case 0x2: /* FNEG */ - case 0x3: /* FSQRT */ - case 0x8: /* FRINTN */ - case 0x9: /* FRINTP */ - case 0xa: /* FRINTM */ - case 0xb: /* FRINTZ */ - case 0xc: /* FRINTA */ - case 0xe: /* FRINTX */ - case 0xf: /* FRINTI */ - g_assert_not_reached(); - } - - fpst =3D fpstatus_ptr(FPST_FPCR); - if (rmode >=3D 0) { - TCGv_i32 tcg_rmode =3D gen_set_rmode(rmode, fpst); - gen_fpst(tcg_res, tcg_op, fpst); - gen_restore_rmode(tcg_rmode, fpst); - } else { - gen_fpst(tcg_res, tcg_op, fpst); - } - - write_fp_dreg(s, rd, tcg_res); -} +static const FPScalar1 f_scalar_frint64 =3D { + NULL, + gen_helper_frint64_s, + gen_helper_frint64_d, +}; +TRANS_FEAT(FRINT64Z_s, aa64_frint, do_fp1_scalar, a, + &f_scalar_frint64, FPROUNDING_ZERO) +TRANS_FEAT(FRINT64X_s, aa64_frint, do_fp1_scalar, a, &f_scalar_frint64, -1) =20 static void handle_fp_fcvt(DisasContext *s, int opcode, int rd, int rn, int dtype, int ntype) @@ -8631,30 +8542,6 @@ static void disas_fp_1src(DisasContext *s, uint32_t = insn) break; } =20 - case 0x10 ... 0x13: /* FRINT{32,64}{X,Z} */ - if (type > 1 || !dc_isar_feature(aa64_frint, s)) { - goto do_unallocated; - } - /* 32-to-32 and 64-to-64 ops */ - switch (type) { - case 0: - if (!fp_access_check(s)) { - return; - } - handle_fp_1src_single(s, opcode, rd, rn); - break; - case 1: - if (!fp_access_check(s)) { - return; - } - handle_fp_1src_double(s, opcode, rd, rn); - break; - case 3: - default: - goto do_unallocated; - } - break; - default: do_unallocated: case 0x0: /* FMOV */ @@ -8669,6 +8556,7 @@ static void disas_fp_1src(DisasContext *s, uint32_t i= nsn) case 0xc: /* FRINTA */ case 0xe: /* FRINTX */ case 0xf: /* FRINTI */ + case 0x10 ... 0x13: /* FRINT{32,64}{X,Z} */ unallocated_encoding(s); break; } diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index 4a48fcff1d..4f7b3ee3d9 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -1340,6 +1340,11 @@ FRINTI_s 00011110 .. 1 001111 10000 ..... ...= .. @rr_hsd =20 BFCVT_s 00011110 01 1 000110 10000 ..... ..... @rr_s =20 +FRINT32Z_s 00011110 0. 1 010000 10000 ..... ..... @rr_sd +FRINT32X_s 00011110 0. 1 010001 10000 ..... ..... @rr_sd +FRINT64Z_s 00011110 0. 1 010010 10000 ..... ..... @rr_sd +FRINT64X_s 00011110 0. 1 010011 10000 ..... ..... @rr_sd + # Floating-point Immediate =20 FMOVI_s 0001 1110 .. 1 imm:8 100 00000 rd:5 esz=3D%esz_hsd --=20 2.43.0