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([91.209.212.80]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-53f93377eefsm1026343e87.67.2024.12.10.08.19.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Dec 2024 08:19:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1733847576; x=1734452376; 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=EG5ap3L6H0uS67mUIBk4bFPwmGZ4OMrw9+6SqLKnO3s=; b=DPszq0Z4IBwKv3Hdd2O2RRHZ1N7R+0Tg9IVEOnrshTegpLBLo6NOHgzlO2ymS/hyeI JI+yv5BhU6xlzPjJ2J5PV900psyqrs8mcyfNlTG3SiYUoWwhBf22NEgUYo2u7zHeVGjw 8pTncjKq755bgtsHTk4nS0WKoF4eljVsio7G1OOz1xeFRFFU9RK2ZmtqYfLVjzftv0y9 0OIEQhUogL8+cJxqXJHkc2dGznqv+NK/S0DKm2TvBo2bpMPCoA0yg9dTHSCh8p5d+UVf JigqKup0gwY3PMs7SUTGzDDcf8NvjCcXgO+c37B1omZhy9Uy/cRl5paTuk3MuSLvsXoy f13w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733847576; x=1734452376; 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=EG5ap3L6H0uS67mUIBk4bFPwmGZ4OMrw9+6SqLKnO3s=; b=rfR/sjm/Xf5rjRvCLP9FN/1kK1PLzWCH4hw8UOcV6sojUhbuXQ6fAvaajGb7dENI/E y84uke5tEnBtTOkoPMUzimWkfX7ZJCrV3AHrlTOwfj1OyDOBHa2xygsLoDlX2V2KWmd8 15WVhGeFA0UJ4BdotJvh2v9Q4UE9Hg0Tuk836qa9GNx3ROHaKVU+e/Eo6cK2oK2GbubZ kfyZvlvPoUz+DrEsRAHHb+N/4v/5gU4Ye5mH9d8ARkwLEAIPS+HJWUN3cM99V/D18DCr qn+e07z00jtRO/iUhDx6xdm1hfdLrg0QNJYvz3T8aZRYlEcB24GroV3EA+I82mwHhqkV VLpw== X-Gm-Message-State: AOJu0YyDahCO8vlmy21FYzw2qAr+Mz2BqB/SEyNeqIiwm8cKh7ZI7zgX beErQdqzFVIdKLy1Q7t3X3pTJM9zBmjD/0d2mbCYpP82WKZkK9ZedipnIEgb9je+nyAZSoaWVvh o55wdcq/V X-Gm-Gg: ASbGncvZtZITWAy7KyGwXj4JiWmWtHD3obFPVdhxphGwW9taKpqikY/LTj9EBmh+98r s1Ndtrkh4fupgtrFCO5E/mIn6ac8e1FkbTM2pdEbCyYfiQxHW2PlYlTSoo0X2NeV6scyoMwUK/Q NNeIcuJOlj2w9rBJRc0rWYsYBEgCGXmCQw9Jm/eCkt8rd42EizIG/ouyFNGIowI4HOjf1k+TpQ4 065WlJPLm6EkXNiLNL6guKeyLJcidPvl5ZoqkJwdpF38cCxlDSDh7Z0V+w= X-Google-Smtp-Source: AGHT+IFiuDtK5oSrF00ziVwXF5EHACiLqL0ur5DBMbPLJhiqViGgVx+dsGVzeHOgNKZEDcIO8LMImQ== X-Received: by 2002:a05:6512:308b:b0:53d:f2e8:b37f with SMTP id 2adb3069b0e04-540251d4b7dmr1354003e87.6.1733847576008; Tue, 10 Dec 2024 08:19:36 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell Subject: [PATCH v2 28/69] target/arm: Convert FRINT[NPMSAXI] (scalar) to decodetree Date: Tue, 10 Dec 2024 10:16:52 -0600 Message-ID: <20241210161733.1830573-29-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::22c; envelope-from=richard.henderson@linaro.org; helo=mail-lj1-x22c.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=unavailable 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: pass (identity @linaro.org) X-ZM-MESSAGEID: 1733847624620116600 Content-Type: text/plain; charset="utf-8" Remove handle_fp_1src_half as these were the last insns decoded by that function. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/tcg/translate-a64.c | 117 +++++++++++---------------------- target/arm/tcg/a64.decode | 8 +++ 2 files changed, 46 insertions(+), 79 deletions(-) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index f32cc2f0af..45321cdca7 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -8401,46 +8401,24 @@ static const FPScalar1 f_scalar_fsqrt =3D { }; TRANS(FSQRT_s, do_fp1_scalar, a, &f_scalar_fsqrt, -1) =20 -/* Floating-point data-processing (1 source) - half precision */ -static void handle_fp_1src_half(DisasContext *s, int opcode, int rd, int r= n) -{ - TCGv_ptr fpst =3D NULL; - TCGv_i32 tcg_op =3D read_fp_hreg(s, rn); - TCGv_i32 tcg_res =3D tcg_temp_new_i32(); +static const FPScalar1 f_scalar_frint =3D { + gen_helper_advsimd_rinth, + gen_helper_rints, + gen_helper_rintd, +}; +TRANS(FRINTN_s, do_fp1_scalar, a, &f_scalar_frint, FPROUNDING_TIEEVEN) +TRANS(FRINTP_s, do_fp1_scalar, a, &f_scalar_frint, FPROUNDING_POSINF) +TRANS(FRINTM_s, do_fp1_scalar, a, &f_scalar_frint, FPROUNDING_NEGINF) +TRANS(FRINTZ_s, do_fp1_scalar, a, &f_scalar_frint, FPROUNDING_ZERO) +TRANS(FRINTA_s, do_fp1_scalar, a, &f_scalar_frint, FPROUNDING_TIEAWAY) +TRANS(FRINTI_s, do_fp1_scalar, a, &f_scalar_frint, -1) =20 - switch (opcode) { - case 0x8: /* FRINTN */ - case 0x9: /* FRINTP */ - case 0xa: /* FRINTM */ - case 0xb: /* FRINTZ */ - case 0xc: /* FRINTA */ - { - TCGv_i32 tcg_rmode; - - fpst =3D fpstatus_ptr(FPST_FPCR_F16); - tcg_rmode =3D gen_set_rmode(opcode & 7, fpst); - gen_helper_advsimd_rinth(tcg_res, tcg_op, fpst); - gen_restore_rmode(tcg_rmode, fpst); - break; - } - case 0xe: /* FRINTX */ - fpst =3D fpstatus_ptr(FPST_FPCR_F16); - gen_helper_advsimd_rinth_exact(tcg_res, tcg_op, fpst); - break; - case 0xf: /* FRINTI */ - fpst =3D fpstatus_ptr(FPST_FPCR_F16); - gen_helper_advsimd_rinth(tcg_res, tcg_op, fpst); - break; - default: - case 0x0: /* FMOV */ - case 0x1: /* FABS */ - case 0x2: /* FNEG */ - case 0x3: /* FSQRT */ - g_assert_not_reached(); - } - - write_fp_sreg(s, rd, tcg_res); -} +static const FPScalar1 f_scalar_frintx =3D { + gen_helper_advsimd_rinth_exact, + gen_helper_rints_exact, + gen_helper_rintd_exact, +}; +TRANS(FRINTX_s, do_fp1_scalar, a, &f_scalar_frintx, -1) =20 /* Floating-point data-processing (1 source) - single precision */ static void handle_fp_1src_single(DisasContext *s, int opcode, int rd, int= rn) @@ -8457,20 +8435,6 @@ static void handle_fp_1src_single(DisasContext *s, i= nt opcode, int rd, int rn) case 0x6: /* BFCVT */ gen_fpst =3D gen_helper_bfcvt; break; - case 0x8: /* FRINTN */ - case 0x9: /* FRINTP */ - case 0xa: /* FRINTM */ - case 0xb: /* FRINTZ */ - case 0xc: /* FRINTA */ - rmode =3D opcode & 7; - gen_fpst =3D gen_helper_rints; - break; - case 0xe: /* FRINTX */ - gen_fpst =3D gen_helper_rints_exact; - break; - case 0xf: /* FRINTI */ - gen_fpst =3D gen_helper_rints; - break; case 0x10: /* FRINT32Z */ rmode =3D FPROUNDING_ZERO; gen_fpst =3D gen_helper_frint32_s; @@ -8490,6 +8454,13 @@ static void handle_fp_1src_single(DisasContext *s, i= nt opcode, int rd, int rn) 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(); } =20 @@ -8517,20 +8488,6 @@ static void handle_fp_1src_double(DisasContext *s, i= nt opcode, int rd, int rn) tcg_res =3D tcg_temp_new_i64(); =20 switch (opcode) { - case 0x8: /* FRINTN */ - case 0x9: /* FRINTP */ - case 0xa: /* FRINTM */ - case 0xb: /* FRINTZ */ - case 0xc: /* FRINTA */ - rmode =3D opcode & 7; - gen_fpst =3D gen_helper_rintd; - break; - case 0xe: /* FRINTX */ - gen_fpst =3D gen_helper_rintd_exact; - break; - case 0xf: /* FRINTI */ - gen_fpst =3D gen_helper_rintd; - break; case 0x10: /* FRINT32Z */ rmode =3D FPROUNDING_ZERO; gen_fpst =3D gen_helper_frint32_d; @@ -8550,6 +8507,13 @@ static void handle_fp_1src_double(DisasContext *s, i= nt opcode, int rd, int rn) 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(); } =20 @@ -8668,9 +8632,6 @@ static void disas_fp_1src(DisasContext *s, uint32_t i= nsn) if (type > 1 || !dc_isar_feature(aa64_frint, s)) { goto do_unallocated; } - /* fall through */ - case 0x8 ... 0xc: - case 0xe ... 0xf: /* 32-to-32 and 64-to-64 ops */ switch (type) { case 0: @@ -8686,15 +8647,6 @@ static void disas_fp_1src(DisasContext *s, uint32_t = insn) handle_fp_1src_double(s, opcode, rd, rn); break; case 3: - if (!dc_isar_feature(aa64_fp16, s)) { - goto do_unallocated; - } - - if (!fp_access_check(s)) { - return; - } - handle_fp_1src_half(s, opcode, rd, rn); - break; default: goto do_unallocated; } @@ -8722,6 +8674,13 @@ static void disas_fp_1src(DisasContext *s, uint32_t = insn) 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 */ unallocated_encoding(s); break; } diff --git a/target/arm/tcg/a64.decode b/target/arm/tcg/a64.decode index 3b1e8e0776..9d2f099c9c 100644 --- a/target/arm/tcg/a64.decode +++ b/target/arm/tcg/a64.decode @@ -1329,6 +1329,14 @@ FABS_s 00011110 .. 1 000001 10000 ..... ...= .. @rr_hsd FNEG_s 00011110 .. 1 000010 10000 ..... ..... @rr_hsd FSQRT_s 00011110 .. 1 000011 10000 ..... ..... @rr_hsd =20 +FRINTN_s 00011110 .. 1 001000 10000 ..... ..... @rr_hsd +FRINTP_s 00011110 .. 1 001001 10000 ..... ..... @rr_hsd +FRINTM_s 00011110 .. 1 001010 10000 ..... ..... @rr_hsd +FRINTZ_s 00011110 .. 1 001011 10000 ..... ..... @rr_hsd +FRINTA_s 00011110 .. 1 001100 10000 ..... ..... @rr_hsd +FRINTX_s 00011110 .. 1 001110 10000 ..... ..... @rr_hsd +FRINTI_s 00011110 .. 1 001111 10000 ..... ..... @rr_hsd + # Floating-point Immediate =20 FMOVI_s 0001 1110 .. 1 imm:8 100 00000 rd:5 esz=3D%esz_hsd --=20 2.43.0