From patchwork Thu May 14 14:21:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 11548963 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AD7621391 for ; Thu, 14 May 2020 14:46:55 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 83A8420727 for ; Thu, 14 May 2020 14:46:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="Y17d7k8m" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 83A8420727 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:57778 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jZF8Q-0006yu-Lo for patchwork-qemu-devel@patchwork.kernel.org; Thu, 14 May 2020 10:46:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39718) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jZEkr-0003yY-Bn for qemu-devel@nongnu.org; Thu, 14 May 2020 10:22:33 -0400 Received: from mail-wm1-x32b.google.com ([2a00:1450:4864:20::32b]:38512) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jZEkq-00060v-60 for qemu-devel@nongnu.org; Thu, 14 May 2020 10:22:32 -0400 Received: by mail-wm1-x32b.google.com with SMTP id g12so32909131wmh.3 for ; Thu, 14 May 2020 07:22:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=FRhwFSZ1TECSB4lFWuDOjzFOexVaiixs5eYkbmksPNk=; b=Y17d7k8megR0tLCHzFYIP/w2DYwWQhQpZI2UTebYvDguCxxdZIRmNFI2uUS6VfdHOZ rPcVyk4BU0XB4lN0iWpMtawNmm8pyHE/2ngLgsJ06nyp5k0VC/ZSGuBnLAVg1xETd3no kV0W0vQZSMfVtYYGQl6S7dfDTszbAHmSmStOzAFIg83oQHq249cuOo0e6gQ1hH7ZL9qM kbyOD4y85VKT8wJGPhva6BtWwz1rwQ0vH7q+pMsKV153f0GdKWbbrrqxTBbK07q4EZyd IICQay8rnktIzFFhUgmBCZkdrRXKqV64yA3sLFd5TllU2+xfc275ANUrBnBB5fVCb/KP gGsg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=FRhwFSZ1TECSB4lFWuDOjzFOexVaiixs5eYkbmksPNk=; b=RxV3TnQubGnXZkX1g7EpG/+eNc0iIcoqGl9qKTid076KGQf0ETsxdYV/umDGzrrp6e GrRotR/A7lWJIwaqEZ6ebwPHw8L6yOMqQjQF1Cnv2Fl+O0CO3eTYYNAK0HeUfsvixQhR DAyWj5qg7+OiXnsqC3BLnrC+8x0eyLnpTqkywW8yJWtROygrF2ApePZwzJQNRGcZRkGz Hp0j1U/zpAiWcmAqKDHjuBXDhqrU/GCEiGn9+Oc9L2Qk9s682uNjXTxsax9UspUOjKY7 7Mh1vtjNb50/aq08ZXXJodS7+80gbokR4kaa1YH5wq448FEjCiQnMkG8drwG/Jpr9DPo TwPQ== X-Gm-Message-State: AGi0PuYHtyfU2y2QnuxOEqCggEdbHFHuVYVxDHgSUmwo7wQQAnfmufdE JqNbpVjmErZ5wEx1l0K29NFuEIPFv1lKfQ== X-Google-Smtp-Source: APiQypIxS9dJYSSTIH+iP9sc4GSX3PjP7LrD0MP08UcsMdwVz3feDgBap6dBnaUWBnpg3iYywi7/nw== X-Received: by 2002:a1c:9ac3:: with SMTP id c186mr18378199wme.150.1589466150437; Thu, 14 May 2020 07:22:30 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id 88sm4077443wrq.77.2020.05.14.07.22.29 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 May 2020 07:22:29 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 39/45] target/arm: Convert Neon VADD, VSUB, VABD 3-reg-same insns to decodetree Date: Thu, 14 May 2020 15:21:32 +0100 Message-Id: <20200514142138.20875-40-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200514142138.20875-1-peter.maydell@linaro.org> References: <20200514142138.20875-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32b; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32b.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Convert the Neon VADD, VSUB, VABD 3-reg-same insns to decodetree. We already have gvec helpers for addition and subtraction, but must add one for fabd. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20200512163904.10918-12-peter.maydell@linaro.org --- target/arm/helper.h | 3 ++- target/arm/neon-dp.decode | 8 ++++++++ target/arm/neon_helper.c | 7 ------- target/arm/translate-neon.inc.c | 28 ++++++++++++++++++++++++++++ target/arm/translate.c | 10 +++------- target/arm/vec_helper.c | 7 +++++++ 6 files changed, 48 insertions(+), 15 deletions(-) diff --git a/target/arm/helper.h b/target/arm/helper.h index 1857f4ee46a..6e9629c87b0 100644 --- a/target/arm/helper.h +++ b/target/arm/helper.h @@ -396,7 +396,6 @@ DEF_HELPER_FLAGS_2(neon_qneg_s16, TCG_CALL_NO_RWG, i32, env, i32) DEF_HELPER_FLAGS_2(neon_qneg_s32, TCG_CALL_NO_RWG, i32, env, i32) DEF_HELPER_FLAGS_2(neon_qneg_s64, TCG_CALL_NO_RWG, i64, env, i64) -DEF_HELPER_3(neon_abd_f32, i32, i32, i32, ptr) DEF_HELPER_3(neon_ceq_f32, i32, i32, i32, ptr) DEF_HELPER_3(neon_cge_f32, i32, i32, i32, ptr) DEF_HELPER_3(neon_cgt_f32, i32, i32, i32, ptr) @@ -595,6 +594,8 @@ DEF_HELPER_FLAGS_5(gvec_fmul_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(gvec_fmul_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(gvec_fmul_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_5(gvec_fabd_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) + DEF_HELPER_FLAGS_5(gvec_ftsmul_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(gvec_ftsmul_s, TCG_CALL_NO_RWG, diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode index fd32837fb17..0dd02f3b720 100644 --- a/target/arm/neon-dp.decode +++ b/target/arm/neon-dp.decode @@ -45,6 +45,10 @@ @3same_q0 .... ... . . . size:2 .... .... .... . 0 . . .... \ &3same vm=%vm_dp vn=%vn_dp vd=%vd_dp q=0 +# For FP insns the high bit of 'size' is used as part of opcode decode +@3same_fp .... ... . . . . size:1 .... .... .... . q:1 . . .... \ + &3same vm=%vm_dp vn=%vn_dp vd=%vd_dp + VHADD_S_3s 1111 001 0 0 . .. .... .... 0000 . . . 0 .... @3same VHADD_U_3s 1111 001 1 0 . .. .... .... 0000 . . . 0 .... @3same VQADD_S_3s 1111 001 0 0 . .. .... .... 0000 . . . 1 .... @3same @@ -169,3 +173,7 @@ SHA256SU1_3s 1111 001 1 0 . 10 .... .... 1100 . 1 . 0 .... \ vm=%vm_dp vn=%vn_dp vd=%vd_dp VQRDMLSH_3s 1111 001 1 0 . .. .... .... 1100 ... 1 .... @3same + +VADD_fp_3s 1111 001 0 0 . 0 . .... .... 1101 ... 0 .... @3same_fp +VSUB_fp_3s 1111 001 0 0 . 1 . .... .... 1101 ... 0 .... @3same_fp +VABD_fp_3s 1111 001 1 0 . 1 . .... .... 1101 ... 0 .... @3same_fp diff --git a/target/arm/neon_helper.c b/target/arm/neon_helper.c index 2ef75e04c83..b637265691a 100644 --- a/target/arm/neon_helper.c +++ b/target/arm/neon_helper.c @@ -1825,13 +1825,6 @@ uint64_t HELPER(neon_qneg_s64)(CPUARMState *env, uint64_t x) } /* NEON Float helpers. */ -uint32_t HELPER(neon_abd_f32)(uint32_t a, uint32_t b, void *fpstp) -{ - float_status *fpst = fpstp; - float32 f0 = make_float32(a); - float32 f1 = make_float32(b); - return float32_val(float32_abs(float32_sub(f0, f1, fpst))); -} /* Floating point comparisons produce an integer result. * Note that EQ doesn't signal InvalidOp for QNaNs but GE and GT do. diff --git a/target/arm/translate-neon.inc.c b/target/arm/translate-neon.inc.c index f52302f42b1..540720f5e0d 100644 --- a/target/arm/translate-neon.inc.c +++ b/target/arm/translate-neon.inc.c @@ -1021,3 +1021,31 @@ DO_3SAME_PAIR(VPADD, padd_u) DO_3SAME_VQDMULH(VQDMULH, qdmulh) DO_3SAME_VQDMULH(VQRDMULH, qrdmulh) + +/* + * For all the functions using this macro, size == 1 means fp16, + * which is an architecture extension we don't implement yet. + */ +#define DO_3S_FP_GVEC(INSN,FUNC) \ + static void gen_##INSN##_3s(unsigned vece, uint32_t rd_ofs, \ + uint32_t rn_ofs, uint32_t rm_ofs, \ + uint32_t oprsz, uint32_t maxsz) \ + { \ + TCGv_ptr fpst = get_fpstatus_ptr(1); \ + tcg_gen_gvec_3_ptr(rd_ofs, rn_ofs, rm_ofs, fpst, \ + oprsz, maxsz, 0, FUNC); \ + tcg_temp_free_ptr(fpst); \ + } \ + static bool trans_##INSN##_fp_3s(DisasContext *s, arg_3same *a) \ + { \ + if (a->size != 0) { \ + /* TODO fp16 support */ \ + return false; \ + } \ + return do_3same(s, a, gen_##INSN##_3s); \ + } + + +DO_3S_FP_GVEC(VADD, gen_helper_gvec_fadd_s) +DO_3S_FP_GVEC(VSUB, gen_helper_gvec_fsub_s) +DO_3S_FP_GVEC(VABD, gen_helper_gvec_fabd_s) diff --git a/target/arm/translate.c b/target/arm/translate.c index 561cb67286d..8a94856cd28 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -5445,6 +5445,9 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) switch (op) { case NEON_3R_FLOAT_ARITH: pairwise = (u && size < 2); /* if VPADD (float) */ + if (!pairwise) { + return 1; /* handled by decodetree */ + } break; case NEON_3R_FLOAT_MINMAX: pairwise = u; /* if VPMIN/VPMAX (float) */ @@ -5501,16 +5504,9 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) { TCGv_ptr fpstatus = get_fpstatus_ptr(1); switch ((u << 2) | size) { - case 0: /* VADD */ case 4: /* VPADD */ gen_helper_vfp_adds(tmp, tmp, tmp2, fpstatus); break; - case 2: /* VSUB */ - gen_helper_vfp_subs(tmp, tmp, tmp2, fpstatus); - break; - case 6: /* VABD */ - gen_helper_neon_abd_f32(tmp, tmp, tmp2, fpstatus); - break; default: abort(); } diff --git a/target/arm/vec_helper.c b/target/arm/vec_helper.c index fa33df859e5..50a499299fd 100644 --- a/target/arm/vec_helper.c +++ b/target/arm/vec_helper.c @@ -691,6 +691,11 @@ static float64 float64_ftsmul(float64 op1, uint64_t op2, float_status *stat) return result; } +static float32 float32_abd(float32 op1, float32 op2, float_status *stat) +{ + return float32_abs(float32_sub(op1, op2, stat)); +} + #define DO_3OP(NAME, FUNC, TYPE) \ void HELPER(NAME)(void *vd, void *vn, void *vm, void *stat, uint32_t desc) \ { \ @@ -718,6 +723,8 @@ DO_3OP(gvec_ftsmul_h, float16_ftsmul, float16) DO_3OP(gvec_ftsmul_s, float32_ftsmul, float32) DO_3OP(gvec_ftsmul_d, float64_ftsmul, float64) +DO_3OP(gvec_fabd_s, float32_abd, float32) + #ifdef TARGET_AARCH64 DO_3OP(gvec_recps_h, helper_recpsf_f16, float16)