From nobody Tue Feb 10 08:41:14 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1557793079; cv=none; d=zoho.com; s=zohoarc; b=FvfqEKogSGUj7NCXdhPo86FGvOrTa45BtRKbjoAcftvVswyf2Gb1ESHh6t+9j+X424Q/U92QhDwxZ0Yk8A1PcTj8lblW2oQbHEYC+z8nb4pr9rQjQkpMY+V7UT68Twoy5DiXkXXAmyBNYOvLcaH6jTHPqFha9UmccJElV9u9KRs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1557793079; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=aOq8R9O0JYe2vR4wE14TCH6+yK72ddx4w9niulf5glk=; b=bWQ5tU475MOgxX5nsS2Kjc6jf2KwXODoyTJTn3WY5bY+LopCUODtxxxAHyrWBp3Yxup3ZmBfbsVbyVQ8qD5+DMFiRhbtj2ze0z3i7xdyMwXk9/SXx6k0+g2e+J7xzb29cYlHIC0dWkGiV3yyqSAkVsIxV/vQaFgF4eq3maUWbBI= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (209.51.188.17 [209.51.188.17]) by mx.zohomail.com with SMTPS id 1557793079488716.576413021183; Mon, 13 May 2019 17:17:59 -0700 (PDT) Received: from localhost ([127.0.0.1]:36737 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hQL8j-00031P-BW for importer@patchew.org; Mon, 13 May 2019 20:17:53 -0400 Received: from eggs.gnu.org ([209.51.188.92]:51319) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hQKyF-0001fL-Kj for qemu-devel@nongnu.org; Mon, 13 May 2019 20:10:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hQKxc-0003nx-B3 for qemu-devel@nongnu.org; Mon, 13 May 2019 20:06:59 -0400 Received: from mail-pg1-x533.google.com ([2607:f8b0:4864:20::533]:43862) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hQKxX-0003fj-Tn for qemu-devel@nongnu.org; Mon, 13 May 2019 20:06:22 -0400 Received: by mail-pg1-x533.google.com with SMTP id t22so7591511pgi.10 for ; Mon, 13 May 2019 17:06:15 -0700 (PDT) Received: from localhost.localdomain (97-113-13-231.tukw.qwest.net. [97.113.13.231]) by smtp.gmail.com with ESMTPSA id u3sm238151pfn.29.2019.05.13.17.06.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 13 May 2019 17:06:13 -0700 (PDT) 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 :mime-version:content-transfer-encoding; bh=aOq8R9O0JYe2vR4wE14TCH6+yK72ddx4w9niulf5glk=; b=I+fJ42790lAr0n58eQiZSGrwV1sgcAdugkuWGyVDs0aP69M0OjoAh1k9DfWSf1pHVD AlixIUjm09Vt4hHEA65lwEjn19ElhQhOpJCNuBqjqaTk5v7ca9TIj7qWxC5EE0ErtwL5 fAJyikSmlmvlTAyMPk8/Txxa4NNqRoHNeY0KPzyikzZdjx9MeZpEBIuhCBNXca3GZOLv zH6jQFi7aD5lrAfVcfRJEXcuhZGEMR3oQoDMnMaOXOR4oletVoeOqlZBfCl+1IHyDElE t4UDoOJr/EHJTr/ASA/RbJ3sQ8ezRWaNKRvtrVx757vXi457EgzkcV9NVy1DTLz051NO jNyg== 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:mime-version:content-transfer-encoding; bh=aOq8R9O0JYe2vR4wE14TCH6+yK72ddx4w9niulf5glk=; b=JBP6lcfctY8vdv8VIqUZR+vAg71JqWDjzFJ4IXgWKh1D+ejDzw8soSHW7pZWds7kdl KGVvLoklvAJk/RDNh9+19duoKwGJDAxN0cHKBr+i++sLF54+9OMPsM6YAx3oEN4ukmUM +uVuIdWtwJtZG6Ufk9eCaLp1y7tgXJ4TaHFv3IS9yf+KQAZmrgi7qBDJo++i4awH5s8l PsTksSCQZ+yTeJ27tjOHhOsRSp3uLEPmdAikF8t3UZEL8bAToG37czL8sJh4oLikuz0d w0HoxFkBBQ6k9ZIrv+taUN8XVIbcMjJk6jpSrTqsOdj8isOuZRoljEQ2E6NNX6v1RF/c 2gtA== X-Gm-Message-State: APjAAAVMOwz7KU6nFOnuUtxaF2jnNtEcKPDt+USwVBSGCEkIOCZU/S9u 7E6lw0SiF+Hd0P8gA/Zjr+P2h6hGU78= X-Google-Smtp-Source: APXvYqz0XCcpbh47IH0dgtZExgDc0rXnM3CCnQ4LVRr5BYfsuliB2s5tXkd/lqw1NLR9z+ANkWIDBQ== X-Received: by 2002:a63:a18:: with SMTP id 24mr34122390pgk.332.1557792374254; Mon, 13 May 2019 17:06:14 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Mon, 13 May 2019 17:05:33 -0700 Message-Id: <20190514000540.4313-25-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190514000540.4313-1-richard.henderson@linaro.org> References: <20190514000540.4313-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::533 Subject: [Qemu-devel] [PULL 24/31] target/arm: Use tcg_gen_abs_i64 and tcg_gen_gvec_abs 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@linux.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Reviewed-by: Alex Benn=C3=A9e Signed-off-by: Richard Henderson --- target/arm/helper.h | 2 -- target/arm/neon_helper.c | 5 ----- target/arm/translate-a64.c | 41 +++++--------------------------------- target/arm/translate.c | 11 +++------- 4 files changed, 8 insertions(+), 51 deletions(-) diff --git a/target/arm/helper.h b/target/arm/helper.h index 50cb036378..132aa1682e 100644 --- a/target/arm/helper.h +++ b/target/arm/helper.h @@ -352,8 +352,6 @@ DEF_HELPER_2(neon_ceq_u8, i32, i32, i32) DEF_HELPER_2(neon_ceq_u16, i32, i32, i32) DEF_HELPER_2(neon_ceq_u32, i32, i32, i32) =20 -DEF_HELPER_1(neon_abs_s8, i32, i32) -DEF_HELPER_1(neon_abs_s16, i32, i32) DEF_HELPER_1(neon_clz_u8, i32, i32) DEF_HELPER_1(neon_clz_u16, i32, i32) DEF_HELPER_1(neon_cls_s8, i32, i32) diff --git a/target/arm/neon_helper.c b/target/arm/neon_helper.c index ed1c6fc41c..4259056723 100644 --- a/target/arm/neon_helper.c +++ b/target/arm/neon_helper.c @@ -1228,11 +1228,6 @@ NEON_VOP(ceq_u16, neon_u16, 2) NEON_VOP(ceq_u32, neon_u32, 1) #undef NEON_FN =20 -#define NEON_FN(dest, src, dummy) dest =3D (src < 0) ? -src : src -NEON_VOP1(abs_s8, neon_s8, 4) -NEON_VOP1(abs_s16, neon_s16, 2) -#undef NEON_FN - /* Count Leading Sign/Zero Bits. */ static inline int do_clz8(uint8_t x) { diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 9dcc5ff3a3..b7c5a928b4 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -9468,11 +9468,7 @@ static void handle_2misc_64(DisasContext *s, int opc= ode, bool u, if (u) { tcg_gen_neg_i64(tcg_rd, tcg_rn); } else { - TCGv_i64 tcg_zero =3D tcg_const_i64(0); - tcg_gen_neg_i64(tcg_rd, tcg_rn); - tcg_gen_movcond_i64(TCG_COND_GT, tcg_rd, tcg_rn, tcg_zero, - tcg_rn, tcg_rd); - tcg_temp_free_i64(tcg_zero); + tcg_gen_abs_i64(tcg_rd, tcg_rn); } break; case 0x2f: /* FABS */ @@ -12366,11 +12362,12 @@ static void disas_simd_two_reg_misc(DisasContext = *s, uint32_t insn) } break; case 0xb: - if (u) { /* NEG */ + if (u) { /* ABS, NEG */ gen_gvec_fn2(s, is_q, rd, rn, tcg_gen_gvec_neg, size); - return; + } else { + gen_gvec_fn2(s, is_q, rd, rn, tcg_gen_gvec_abs, size); } - break; + return; } =20 if (size =3D=3D 3) { @@ -12438,17 +12435,6 @@ static void disas_simd_two_reg_misc(DisasContext *= s, uint32_t insn) gen_helper_neon_qabs_s32(tcg_res, cpu_env, tcg_op); } break; - case 0xb: /* ABS, NEG */ - if (u) { - tcg_gen_neg_i32(tcg_res, tcg_op); - } else { - TCGv_i32 tcg_zero =3D tcg_const_i32(0); - tcg_gen_neg_i32(tcg_res, tcg_op); - tcg_gen_movcond_i32(TCG_COND_GT, tcg_res, tcg_op, - tcg_zero, tcg_op, tcg_res); - tcg_temp_free_i32(tcg_zero); - } - break; case 0x2f: /* FABS */ gen_helper_vfp_abss(tcg_res, tcg_op); break; @@ -12561,23 +12547,6 @@ static void disas_simd_two_reg_misc(DisasContext *= s, uint32_t insn) tcg_temp_free_i32(tcg_zero); break; } - case 0xb: /* ABS, NEG */ - if (u) { - TCGv_i32 tcg_zero =3D tcg_const_i32(0); - if (size) { - gen_helper_neon_sub_u16(tcg_res, tcg_zero, tcg= _op); - } else { - gen_helper_neon_sub_u8(tcg_res, tcg_zero, tcg_= op); - } - tcg_temp_free_i32(tcg_zero); - } else { - if (size) { - gen_helper_neon_abs_s16(tcg_res, tcg_op); - } else { - gen_helper_neon_abs_s8(tcg_res, tcg_op); - } - } - break; case 0x4: /* CLS, CLZ */ if (u) { if (size =3D=3D 0) { diff --git a/target/arm/translate.c b/target/arm/translate.c index b25781554f..dd053c80d6 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -8120,6 +8120,9 @@ static int disas_neon_data_insn(DisasContext *s, uint= 32_t insn) case NEON_2RM_VNEG: tcg_gen_gvec_neg(size, rd_ofs, rm_ofs, vec_size, vec_s= ize); break; + case NEON_2RM_VABS: + tcg_gen_gvec_abs(size, rd_ofs, rm_ofs, vec_size, vec_s= ize); + break; =20 default: elementwise: @@ -8225,14 +8228,6 @@ static int disas_neon_data_insn(DisasContext *s, uin= t32_t insn) } tcg_temp_free_i32(tmp2); break; - case NEON_2RM_VABS: - switch(size) { - case 0: gen_helper_neon_abs_s8(tmp, tmp); brea= k; - case 1: gen_helper_neon_abs_s16(tmp, tmp); bre= ak; - case 2: tcg_gen_abs_i32(tmp, tmp); break; - default: abort(); - } - break; case NEON_2RM_VCGT0_F: { TCGv_ptr fpstatus =3D get_fpstatus_ptr(1); --=20 2.17.1