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([2602:ae:154a:9f01:bf7f:79a0:a976:bdaf]) by smtp.gmail.com with ESMTPSA id c2-20020a170902aa4200b001991e4e0bdcsm43797plr.233.2023.03.09.12.09.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Mar 2023 12:09:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1678392599; 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=1KeE8/x+gbRZ4wtBXKBEex8o90m+5WViCdselB5pOEg=; b=xWMpGfPupYXG5KzoIlS64FN/FKiuBRC67q64as2BQAyXfjAUYhx1j5F7Hnxfv+UeNr Mb0gWNBeNBXxjkKiWXgTMbNuXgwD7zERaOv5DVO06bt9stJ9suNt+0H7IIyH5n2ZMWPm i4NxYiKZ4742WlZj0WD412zHRmgxHpc44esCnvMJbRofGT3/h7Ao8d6J7nZdq9D2M9Ug 7JAq/78XG46N0fHRxExfo6X/ScHFybq7coLx5I1NWpTwyKdbAl3l+RSMQ2mnYABWu9KX RA16rgXJvLgKfMnLNhk6CjTusZy7BDbzSrtRU3SQ/MPDhhcG9qpIOII215E8AHkJpoSw ElcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678392599; 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=1KeE8/x+gbRZ4wtBXKBEex8o90m+5WViCdselB5pOEg=; b=Ygjl+4u2oT4ctfaYTZzrCxcDjJmLXELKvxF2i3vmWS5RDBPadnND3jzS4CxoyDMdS4 w4FQqynI/SjjinOrdG8ipEMvND45W2IRjXzM3gVVuEd7cmKFkI3881sc9RyA+yi9MYw+ 1hfUiIdFOGC+hAY8OyCa9vu1n5ECV9FA9rGn9tO/iRE3waI4wkUSoC2JB5RTR/kFkFxA +KYL1/zfluA4YkCYbLDOcySkrLwAETQ4tEXfqcNHWvM7+5fpghnmvpHkhqf7dPEJFDcM km9yNYsLowj9aFClM5wd7njRHhRcsTRh8tn3ODtPO6pk8kYGjrin0NAMziY+Nl95Cv6m Nb9A== X-Gm-Message-State: AO0yUKUSy+y9x9fdiF3DJMEtbEi1zKjkVmh73VyH9/LhLuL4Vtzd+pMX CbA9iPbAiYDqJ6YlphxLcZpI88Xe69kTwSPhPtc= X-Google-Smtp-Source: AK7set/kEyCtdVhJ85i/pANFT5WyciyIstx7yeIxGdvGXBv3E26zIi1kK9HJHo6Q9Uc6SX3/R+28Ow== X-Received: by 2002:a17:902:ea03:b0:19e:2869:7793 with SMTP id s3-20020a170902ea0300b0019e28697793mr25795286plg.16.1678392598833; Thu, 09 Mar 2023 12:09:58 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PULL v2 76/91] target/arm: Avoid tcg_const_ptr in disas_simd_zip_trn Date: Thu, 9 Mar 2023 12:05:35 -0800 Message-Id: <20230309200550.3878088-77-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230309200550.3878088-1-richard.henderson@linaro.org> References: <20230309200550.3878088-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::62b; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62b.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: 1678393368525100003 It is easy enough to use mov instead of or-with-zero and relying on the optimizer to fold away the or. Use an array for the output, rather than separate tcg_res{l,h} variables. Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson --- target/arm/tcg/translate-a64.c | 41 +++++++++++++++++----------------- 1 file changed, 21 insertions(+), 20 deletions(-) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index 989c958de6..2ad7c48901 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -7442,10 +7442,10 @@ static void disas_simd_zip_trn(DisasContext *s, uin= t32_t insn) bool part =3D extract32(insn, 14, 1); bool is_q =3D extract32(insn, 30, 1); int esize =3D 8 << size; - int i, ofs; + int i; int datasize =3D is_q ? 128 : 64; int elements =3D datasize / esize; - TCGv_i64 tcg_res, tcg_resl, tcg_resh; + TCGv_i64 tcg_res[2], tcg_ele; =20 if (opcode =3D=3D 0 || (size =3D=3D 3 && !is_q)) { unallocated_encoding(s); @@ -7456,37 +7456,39 @@ static void disas_simd_zip_trn(DisasContext *s, uin= t32_t insn) return; } =20 - tcg_resl =3D tcg_const_i64(0); - tcg_resh =3D is_q ? tcg_const_i64(0) : NULL; - tcg_res =3D tcg_temp_new_i64(); + tcg_res[0] =3D tcg_temp_new_i64(); + tcg_res[1] =3D is_q ? tcg_temp_new_i64() : NULL; + tcg_ele =3D tcg_temp_new_i64(); =20 for (i =3D 0; i < elements; i++) { + int o, w; + switch (opcode) { case 1: /* UZP1/2 */ { int midpoint =3D elements / 2; if (i < midpoint) { - read_vec_element(s, tcg_res, rn, 2 * i + part, size); + read_vec_element(s, tcg_ele, rn, 2 * i + part, size); } else { - read_vec_element(s, tcg_res, rm, + read_vec_element(s, tcg_ele, rm, 2 * (i - midpoint) + part, size); } break; } case 2: /* TRN1/2 */ if (i & 1) { - read_vec_element(s, tcg_res, rm, (i & ~1) + part, size); + read_vec_element(s, tcg_ele, rm, (i & ~1) + part, size); } else { - read_vec_element(s, tcg_res, rn, (i & ~1) + part, size); + read_vec_element(s, tcg_ele, rn, (i & ~1) + part, size); } break; case 3: /* ZIP1/2 */ { int base =3D part * elements / 2; if (i & 1) { - read_vec_element(s, tcg_res, rm, base + (i >> 1), size); + read_vec_element(s, tcg_ele, rm, base + (i >> 1), size); } else { - read_vec_element(s, tcg_res, rn, base + (i >> 1), size); + read_vec_element(s, tcg_ele, rn, base + (i >> 1), size); } break; } @@ -7494,19 +7496,18 @@ static void disas_simd_zip_trn(DisasContext *s, uin= t32_t insn) g_assert_not_reached(); } =20 - ofs =3D i * esize; - if (ofs < 64) { - tcg_gen_shli_i64(tcg_res, tcg_res, ofs); - tcg_gen_or_i64(tcg_resl, tcg_resl, tcg_res); + w =3D (i * esize) / 64; + o =3D (i * esize) % 64; + if (o =3D=3D 0) { + tcg_gen_mov_i64(tcg_res[w], tcg_ele); } else { - tcg_gen_shli_i64(tcg_res, tcg_res, ofs - 64); - tcg_gen_or_i64(tcg_resh, tcg_resh, tcg_res); + tcg_gen_shli_i64(tcg_ele, tcg_ele, o); + tcg_gen_or_i64(tcg_res[w], tcg_res[w], tcg_ele); } } =20 - write_vec_element(s, tcg_resl, rd, 0, MO_64); - if (is_q) { - write_vec_element(s, tcg_resh, rd, 1, MO_64); + for (i =3D 0; i <=3D is_q; ++i) { + write_vec_element(s, tcg_res[i], rd, i, MO_64); } clear_vec_high(s, is_q, rd); } --=20 2.34.1