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[174.21.6.47]) by smtp.gmail.com with ESMTPSA id q67sm20460313pfi.164.2018.01.25.20.58.16 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 25 Jan 2018 20:58:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=6biGdgdwuSel/3sanWaEoMjM3L1JXykWfnw0KyHFJiw=; b=LmrZROtRABNx+eETq5wP7eF6h7kQHUWD/nHLzXD8ld4pZt4oy06WFp5Wp70I5WIfeV s1hARw+P20WmkA6qFK9m6xoNoVy3+PHkwp4VFy2MxqyQLS2fYC2Hv7aKM1W58Wy94f5+ 4TTHPqKfF0hf4bTRCXuJyyAwbTxGWAlyEwJNw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=6biGdgdwuSel/3sanWaEoMjM3L1JXykWfnw0KyHFJiw=; b=C9H9H4R9XnfYur62IslWNKywhe/S6+/rLe4HLBprIWKbwBFeoiZeQjqHMltOw9y8GO dZWncYRu0yRNeIPPcQRt7k0DIs2l8qShXUuhhx5OiTk/AbaFHphu0K56MN3339Tu3agG K2CkiFRUHdNrDCiBRN/on16GicVxzyqDJvGKUSMhUoSUipfgnmyiHwjyH9M9EoQzYlGA Vu7eLZrk99UugT5CAuqUtLMaWuCQOlec7jvJfdqPVOnUC6dCxqyHPyPooccrwH/+BTKY jcJk6RiMVZbnGyWQXKSomot6UJOCCCXh2HZBFrPk3yZwWhtFEjsT2RiB3PcmYt4qkj+Z 2KBA== X-Gm-Message-State: AKwxytdk004/WSC28XwEkkL73REQH+hirND1KoghZZtmMWJh9wS/S4oo oeC0WudLaOI3I9J9oFIJyEDmUa8wJfo= X-Google-Smtp-Source: AH8x226zJpoF/05MgmONnaB+ZTL+t/w2LB7oD3hrFV0zzDFXglsHmGpM7LPw9+4KwFX9ErZEmVMuWg== X-Received: by 10.99.173.65 with SMTP id y1mr14642143pgo.160.1516942697638; Thu, 25 Jan 2018 20:58:17 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Thu, 25 Jan 2018 20:57:36 -0800 Message-Id: <20180126045742.5487-15-richard.henderson@linaro.org> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180126045742.5487-1-richard.henderson@linaro.org> References: <20180126045742.5487-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c05::242 Subject: [Qemu-devel] [PATCH v11 14/20] target/arm: Use vector infrastructure for aa64 dup/movi X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e --- target/arm/translate-a64.c | 81 +++++++++++++++++++-----------------------= ---- 1 file changed, 33 insertions(+), 48 deletions(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 11310f1a7a..48088dbb29 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -5890,10 +5890,7 @@ static void handle_simd_dupe(DisasContext *s, int is= _q, int rd, int rn, int imm5) { int size =3D ctz32(imm5); - int esize =3D 8 << size; - int elements =3D (is_q ? 128 : 64) / esize; - int index, i; - TCGv_i64 tmp; + int index =3D imm5 >> (size + 1); =20 if (size > 3 || (size =3D=3D 3 && !is_q)) { unallocated_encoding(s); @@ -5904,20 +5901,9 @@ static void handle_simd_dupe(DisasContext *s, int is= _q, int rd, int rn, return; } =20 - index =3D imm5 >> (size + 1); - - tmp =3D tcg_temp_new_i64(); - read_vec_element(s, tmp, rn, index, size); - - for (i =3D 0; i < elements; i++) { - write_vec_element(s, tmp, rd, i, size); - } - - if (!is_q) { - clear_vec_high(s, rd); - } - - tcg_temp_free_i64(tmp); + tcg_gen_gvec_dup_mem(size, vec_full_reg_offset(s, rd), + vec_reg_offset(s, rn, index, size), + is_q ? 16 : 8, vec_full_reg_size(s)); } =20 /* DUP (element, scalar) @@ -5966,9 +5952,7 @@ static void handle_simd_dupg(DisasContext *s, int is_= q, int rd, int rn, int imm5) { int size =3D ctz32(imm5); - int esize =3D 8 << size; - int elements =3D (is_q ? 128 : 64)/esize; - int i =3D 0; + uint32_t dofs, oprsz, maxsz; =20 if (size > 3 || ((size =3D=3D 3) && !is_q)) { unallocated_encoding(s); @@ -5979,12 +5963,11 @@ static void handle_simd_dupg(DisasContext *s, int i= s_q, int rd, int rn, return; } =20 - for (i =3D 0; i < elements; i++) { - write_vec_element(s, cpu_reg(s, rn), rd, i, size); - } - if (!is_q) { - clear_vec_high(s, rd); - } + dofs =3D vec_full_reg_offset(s, rd); + oprsz =3D is_q ? 16 : 8; + maxsz =3D vec_full_reg_size(s); + + tcg_gen_gvec_dup_i64(size, dofs, oprsz, maxsz, cpu_reg(s, rn)); } =20 /* INS (Element) @@ -6175,7 +6158,6 @@ static void disas_simd_mod_imm(DisasContext *s, uint3= 2_t insn) bool is_neg =3D extract32(insn, 29, 1); bool is_q =3D extract32(insn, 30, 1); uint64_t imm =3D 0; - TCGv_i64 tcg_rd, tcg_imm; int i; =20 if (o2 !=3D 0 || ((cmode =3D=3D 0xf) && is_neg && !is_q)) { @@ -6257,32 +6239,35 @@ static void disas_simd_mod_imm(DisasContext *s, uin= t32_t insn) imm =3D ~imm; } =20 - tcg_imm =3D tcg_const_i64(imm); - tcg_rd =3D new_tmp_a64(s); + if (!((cmode & 0x9) =3D=3D 0x1 || (cmode & 0xd) =3D=3D 0x9)) { + /* MOVI or MVNI, with MVNI negation handled above. */ + tcg_gen_gvec_dup64i(vec_full_reg_offset(s, rd), is_q ? 16 : 8, + vec_full_reg_size(s), imm); + } else { + TCGv_i64 tcg_imm =3D tcg_const_i64(imm); + TCGv_i64 tcg_rd =3D new_tmp_a64(s); =20 - for (i =3D 0; i < 2; i++) { - int foffs =3D i ? fp_reg_hi_offset(s, rd) : fp_reg_offset(s, rd, M= O_64); + for (i =3D 0; i < 2; i++) { + int foffs =3D vec_reg_offset(s, rd, i, MO_64); =20 - if (i =3D=3D 1 && !is_q) { - /* non-quad ops clear high half of vector */ - tcg_gen_movi_i64(tcg_rd, 0); - } else if ((cmode & 0x9) =3D=3D 0x1 || (cmode & 0xd) =3D=3D 0x9) { - tcg_gen_ld_i64(tcg_rd, cpu_env, foffs); - if (is_neg) { - /* AND (BIC) */ - tcg_gen_and_i64(tcg_rd, tcg_rd, tcg_imm); + if (i =3D=3D 1 && !is_q) { + /* non-quad ops clear high half of vector */ + tcg_gen_movi_i64(tcg_rd, 0); } else { - /* ORR */ - tcg_gen_or_i64(tcg_rd, tcg_rd, tcg_imm); + tcg_gen_ld_i64(tcg_rd, cpu_env, foffs); + if (is_neg) { + /* AND (BIC) */ + tcg_gen_and_i64(tcg_rd, tcg_rd, tcg_imm); + } else { + /* ORR */ + tcg_gen_or_i64(tcg_rd, tcg_rd, tcg_imm); + } } - } else { - /* MOVI */ - tcg_gen_mov_i64(tcg_rd, tcg_imm); + tcg_gen_st_i64(tcg_rd, cpu_env, foffs); } - tcg_gen_st_i64(tcg_rd, cpu_env, foffs); - } =20 - tcg_temp_free_i64(tcg_imm); + tcg_temp_free_i64(tcg_imm); + } } =20 /* AdvSIMD scalar copy --=20 2.14.3