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[174.21.67.243]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7490a49ebd0sm5073744b3a.55.2025.06.21.16.50.52 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 21 Jun 2025 16:50:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1750549852; x=1751154652; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=K/KRFheEnFJgkLqHH8Ou/wv5NETcBB8J6PUtxw1iYZg=; b=JH6+Z9jnqs4qb+1HSlQI+6Qd1CtLYqNbSQgfh/abC/OuyUw6tlbe1wbBDK7+5ULFm3 bE0bMH67DIzsbBbEsbG1moq1M9BTMwKGKfv067mpIC5z024cWjXHm4+DaEQxLulQYD3S JXgFgoHvtChZS6ByUCU34pwQau/BMBrrj99Uq4dU0WJuaLyH+xcxmP0F70izZA9nhNPu NAHh7vo6PMi7wQdpg00zXihNi1Je2ccBNIDRACGcwllM5yjlDZlbZ+r2r0n5DpKzaHlD g988fp75iE98Dv5w6OLhgUGUhZjEvm+HE4foYhl4bpGWn2eYPNfXxiPoA65OWnQGEhdT 52cQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750549852; x=1751154652; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=K/KRFheEnFJgkLqHH8Ou/wv5NETcBB8J6PUtxw1iYZg=; b=CO8ONEqgxbGyhdUZV6cm2FQcGn9RnaZE1R5kKudTrHhlwzmiVnEJGVVT0S2TVrE4BU ptixevPoksAjojYloZy8QLIt9pAQYqNfJv6KTyClR7e5kFsPFawx4+VgNkyptV45PLMV gH/Slosi0LW/PgDW3dn3DG5rwgVkxvTx68fwlCrqp1AJ8sCjQ8tJC9/4Bv45bsQC4Y/p EXhq/itEb32WBi7Y/wbbzTWkK5prBttbOqbTPrJP+LW/0WYAlMgV5ikZPBmuKrk1Iqo4 LCz7ieTlAar+v6Fo4hE9XM5x58GsjD/oRz0AX3b6HaWPW+QgZBSajVtxABhYYUILUm5L Ye8A== X-Gm-Message-State: AOJu0YzeGMFQsRcl7Hd+VBFhLZZ4/ykjsUHrGJNVkoXOg9tW4sEvhXXO avi3aprw/tEk0VXbf0A/LBQZpJVoqJrPcCJHq/4vBZkK24jPJ/7sMyQ8E8uwUX7Dr8Y0KmKeWeq wPxiC X-Gm-Gg: ASbGncti4IgcVYIRx5iEt/mhml4XYV5NFQTWM28LByiSUw9/kNN0MN/2B/YhhIuHjOz /3iSrbUC01uNPPA10R96X8s3tzWcoWO1hwmnKFonSa6ITS6ezLw9NEIG7CQH+OV1j06tCtafJmQ SnHdUJZNHZNFsQkRE7650zAbumRPPR4ufqjk8Ptd0CFKfuZDTV1wZFrkctKxpJ/y9+g8IGz2502 hGSpGkzxhsVaIR8qZIXzPROHqO1JtUtwxvJ3pvKnLrvQJmrTTl+5hwAreuMsa8Mbv96c8NU3+e5 LA2W/yvyjzMcF2KHGTIDnEQ6FiPhCFeZr4RHXVa2F2XpT3hWMc8RmsNONl/WuRUZ6m51FWdQqDX +goAV3jOG/hNZSwsc3gLF X-Google-Smtp-Source: AGHT+IE035fEgDyS/dGyYx5Ms7eU7eZfxcAfsoZkw9au/DB2vnag7M3rdQ1C3p6UAvnucwXr3AO5mw== X-Received: by 2002:a05:6a20:729b:b0:21d:a9d:ba3b with SMTP id adf61e73a8af0-22026fe7577mr12213274637.39.1750549852518; Sat, 21 Jun 2025 16:50:52 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 021/101] target/arm: Split get_tile_rowcol argument tile_index Date: Sat, 21 Jun 2025 16:49:17 -0700 Message-ID: <20250621235037.74091-22-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250621235037.74091-1-richard.henderson@linaro.org> References: <20250621235037.74091-1-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=2607:f8b0:4864:20::52f; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52f.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: pass (identity @linaro.org) X-ZM-MESSAGEID: 1750549978117116600 Content-Type: text/plain; charset="utf-8" Decode tile number and index offset beforehand and separately. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/tcg/translate-sme.c | 17 +++++-------- target/arm/tcg/sme.decode | 46 +++++++++++++++++++++++----------- 2 files changed, 38 insertions(+), 25 deletions(-) diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c index 13314c5cd7..bd6095ffb6 100644 --- a/target/arm/tcg/translate-sme.c +++ b/target/arm/tcg/translate-sme.c @@ -41,15 +41,10 @@ static bool sme2_zt0_enabled_check(DisasContext *s) return true; } =20 -/* - * Resolve tile.size[index] to a host pointer, where tile and index - * are always decoded together, dependent on the element size. - */ +/* Resolve tile.size[rs+imm] to a host pointer. */ static TCGv_ptr get_tile_rowcol(DisasContext *s, int esz, int rs, - int tile_index, bool vertical) + int tile, int imm, bool vertical) { - int tile =3D tile_index >> (4 - esz); - int index =3D esz =3D=3D MO_128 ? 0 : extract32(tile_index, 0, 4 - esz= ); int pos, len, offset; TCGv_i32 tmp; TCGv_ptr addr; @@ -57,7 +52,7 @@ static TCGv_ptr get_tile_rowcol(DisasContext *s, int esz,= int rs, /* Compute the final index, which is Rs+imm. */ tmp =3D tcg_temp_new_i32(); tcg_gen_trunc_tl_i32(tmp, cpu_reg(s, rs)); - tcg_gen_addi_i32(tmp, tmp, index); + tcg_gen_addi_i32(tmp, tmp, imm); =20 /* Prepare a power-of-two modulo via extraction of @len bits. */ len =3D ctz32(streaming_vec_reg_size(s)) - esz; @@ -185,7 +180,7 @@ static bool trans_MOVA(DisasContext *s, arg_MOVA *a) return true; } =20 - t_za =3D get_tile_rowcol(s, a->esz, a->rs, a->za_imm, a->v); + t_za =3D get_tile_rowcol(s, a->esz, a->rs, a->za, a->off, a->v); t_zr =3D vec_full_reg_ptr(s, a->zr); t_pg =3D pred_full_reg_ptr(s, a->pg); =20 @@ -264,7 +259,7 @@ static bool trans_LDST1(DisasContext *s, arg_LDST1 *a) return true; } =20 - t_za =3D get_tile_rowcol(s, a->esz, a->rs, a->za_imm, a->v); + t_za =3D get_tile_rowcol(s, a->esz, a->rs, a->za, a->off, a->v); t_pg =3D pred_full_reg_ptr(s, a->pg); addr =3D tcg_temp_new_i64(); =20 @@ -295,7 +290,7 @@ static bool do_ldst_r(DisasContext *s, arg_ldstr *a, Ge= nLdStR *fn) } =20 /* ZA[n] equates to ZA0H.B[n]. */ - base =3D get_tile_rowcol(s, MO_8, a->rv, imm, false); + base =3D get_tile_rowcol(s, MO_8, a->rv, 0, imm, false); =20 fn(s, base, 0, svl, a->rn, imm * svl); return true; diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode index 83ca6a9104..efe369e079 100644 --- a/target/arm/tcg/sme.decode +++ b/target/arm/tcg/sme.decode @@ -27,17 +27,29 @@ ZERO_zt0 11000000 01 001 00000000000 00000001 ### SME Move into/from Array =20 %mova_rs 13:2 !function=3Dplus_12 -&mova esz rs pg zr za_imm v:bool to_vec:bool +&mova esz rs pg zr za off v:bool to_vec:bool =20 -MOVA 11000000 esz:2 00000 0 v:1 .. pg:3 zr:5 0 za_imm:4 \ - &mova to_vec=3D0 rs=3D%mova_rs -MOVA 11000000 11 00000 1 v:1 .. pg:3 zr:5 0 za_imm:4 \ - &mova to_vec=3D0 rs=3D%mova_rs esz=3D4 +MOVA 11000000 00 00000 0 v:1 .. pg:3 zr:5 0 off:4 \ + &mova to_vec=3D0 rs=3D%mova_rs esz=3D0 za=3D0 +MOVA 11000000 01 00000 0 v:1 .. pg:3 zr:5 0 za:1 off:3 \ + &mova to_vec=3D0 rs=3D%mova_rs esz=3D1 +MOVA 11000000 10 00000 0 v:1 .. pg:3 zr:5 0 za:2 off:2 \ + &mova to_vec=3D0 rs=3D%mova_rs esz=3D2 +MOVA 11000000 11 00000 0 v:1 .. pg:3 zr:5 0 za:3 off:1 \ + &mova to_vec=3D0 rs=3D%mova_rs esz=3D3 +MOVA 11000000 11 00000 1 v:1 .. pg:3 zr:5 0 za:4 \ + &mova to_vec=3D0 rs=3D%mova_rs esz=3D4 off=3D0 =20 -MOVA 11000000 esz:2 00001 0 v:1 .. pg:3 0 za_imm:4 zr:5 \ - &mova to_vec=3D1 rs=3D%mova_rs -MOVA 11000000 11 00001 1 v:1 .. pg:3 0 za_imm:4 zr:5 \ - &mova to_vec=3D1 rs=3D%mova_rs esz=3D4 +MOVA 11000000 00 00001 0 v:1 .. pg:3 0 off:4 zr:5 \ + &mova to_vec=3D1 rs=3D%mova_rs esz=3D0 za=3D0 +MOVA 11000000 01 00001 0 v:1 .. pg:3 0 za:1 off:3 zr:5 \ + &mova to_vec=3D1 rs=3D%mova_rs esz=3D1 +MOVA 11000000 10 00001 0 v:1 .. pg:3 0 za:2 off:2 zr:5 \ + &mova to_vec=3D1 rs=3D%mova_rs esz=3D2 +MOVA 11000000 11 00001 0 v:1 .. pg:3 0 za:3 off:1 zr:5 \ + &mova to_vec=3D1 rs=3D%mova_rs esz=3D3 +MOVA 11000000 11 00001 1 v:1 .. pg:3 0 za:4 zr:5 \ + &mova to_vec=3D1 rs=3D%mova_rs esz=3D4 off=3D0 =20 ### SME Move into/from ZT0 =20 @@ -46,12 +58,18 @@ MOVT_ztr 1100 0000 0100 1110 0 off:3 00 11111 rt= :5 =20 ### SME Memory =20 -&ldst esz rs pg rn rm za_imm v:bool st:bool +&ldst esz rs pg rn rm za off v:bool st:bool =20 -LDST1 1110000 0 esz:2 st:1 rm:5 v:1 .. pg:3 rn:5 0 za_imm:4 \ - &ldst rs=3D%mova_rs -LDST1 1110000 111 st:1 rm:5 v:1 .. pg:3 rn:5 0 za_imm:4 \ - &ldst esz=3D4 rs=3D%mova_rs +LDST1 1110000 0 00 st:1 rm:5 v:1 .. pg:3 rn:5 0 off:4 \ + &ldst rs=3D%mova_rs esz=3D0 za=3D0 +LDST1 1110000 0 01 st:1 rm:5 v:1 .. pg:3 rn:5 0 za:1 off:3 \ + &ldst rs=3D%mova_rs esz=3D1 +LDST1 1110000 0 10 st:1 rm:5 v:1 .. pg:3 rn:5 0 za:2 off:2 \ + &ldst rs=3D%mova_rs esz=3D2 +LDST1 1110000 0 11 st:1 rm:5 v:1 .. pg:3 rn:5 0 za:3 off:1 \ + &ldst rs=3D%mova_rs esz=3D3 +LDST1 1110000 1 11 st:1 rm:5 v:1 .. pg:3 rn:5 0 za:4 \ + &ldst rs=3D%mova_rs esz=3D4 off=3D0 =20 &ldstr rv rn imm @ldstr ....... ... . ...... .. ... rn:5 . imm:4 \ --=20 2.43.0