From patchwork Wed Dec 21 22:41:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taylor Simpson X-Patchwork-Id: 13079281 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 9DB4EC41535 for ; Wed, 21 Dec 2022 23:00:25 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p87mO-0007yQ-1T; Wed, 21 Dec 2022 17:41:40 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p87mL-0007sL-0D for qemu-devel@nongnu.org; Wed, 21 Dec 2022 17:41:37 -0500 Received: from mx0b-0031df01.pphosted.com ([205.220.180.131]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p87mI-0000kK-PU for qemu-devel@nongnu.org; Wed, 21 Dec 2022 17:41:36 -0500 Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 2BLMau4j006754; Wed, 21 Dec 2022 22:41:31 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=qcppdkim1; bh=oVJFKsp59cwVp6y3vI3ISc2HPHZR9ucnLhs9QSRVrN0=; b=QIjskhKrtdDLqkXntOXSZWmeJacm1pzo/7pRYmE54QX8h2EvfoItN3wRACleptdNvmaf 9iJhGQG/UOmzJQbz34+1LMTGjjNu1us3PZ0YmiXu23IO49JDjC2KM16Ds4l9tp6sanTy y/JdAB6rRR8Y5T3CBPE5vfPU9eKqngxBggHObZkKzEenJCyIJCYm53InqVxZAHYh/svM HuPuLDb8A3kFAYpdpfbJlCwipV4duSUmOACb77fx4WlVu7Y9iMIOb6PQ0oyPQc31pYzV Yrrpv5evFOE8FmxoNhscgrHQsF5vrmNYPSa9zZm6m7qstscXlCGgjyCVmfDfFO4/964z KQ== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3mm2brs67v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 21 Dec 2022 22:41:31 +0000 Received: from pps.filterd (NALASPPMTA03.qualcomm.com [127.0.0.1]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 2BLMfUTN012262; Wed, 21 Dec 2022 22:41:30 GMT Received: from pps.reinject (localhost [127.0.0.1]) by NALASPPMTA03.qualcomm.com (PPS) with ESMTPS id 3mh6ukkyw6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 21 Dec 2022 22:41:30 +0000 Received: from NALASPPMTA03.qualcomm.com (NALASPPMTA03.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 2BLMfTYw012241; Wed, 21 Dec 2022 22:41:29 GMT Received: from hu-devc-lv-u18-c.qualcomm.com (hu-tsimpson-lv.qualcomm.com [10.47.235.220]) by NALASPPMTA03.qualcomm.com (PPS) with ESMTP id 2BLMfTvf012141; Wed, 21 Dec 2022 22:41:29 +0000 Received: by hu-devc-lv-u18-c.qualcomm.com (Postfix, from userid 47164) id 083DE5000A8; Wed, 21 Dec 2022 14:41:29 -0800 (PST) From: Taylor Simpson To: qemu-devel@nongnu.org Cc: tsimpson@quicinc.com, richard.henderson@linaro.org, philmd@linaro.org, ale@rev.ng, anjo@rev.ng, bcain@quicinc.com, quic_mathbern@quicinc.com Subject: [PATCH 1/4] Hexagon (target/hexagon) Add overrides for jumpr31 instructions Date: Wed, 21 Dec 2022 14:41:24 -0800 Message-Id: <20221221224127.20916-2-tsimpson@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221221224127.20916-1-tsimpson@quicinc.com> References: <20221221224127.20916-1-tsimpson@quicinc.com> MIME-Version: 1.0 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: Zz7_2fVae4IQiEt_3FFzoMSuQQeuMGFt X-Proofpoint-GUID: Zz7_2fVae4IQiEt_3FFzoMSuQQeuMGFt X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-12-21_12,2022-12-21_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=600 adultscore=0 priorityscore=1501 clxscore=1015 mlxscore=0 lowpriorityscore=0 malwarescore=0 spamscore=0 suspectscore=0 phishscore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2212210192 Received-SPF: pass client-ip=205.220.180.131; envelope-from=tsimpson@qualcomm.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add overrides for SL2_jumpr31 Unconditional SL2_jumpr31_t Predicated true (old value) SL2_jumpr31_f Predicated false (old value) SL2_jumpr31_tnew Predicated true (new value) SL2_jumpr31_fnew Predicated false (new value) Signed-off-by: Taylor Simpson --- target/hexagon/gen_tcg.h | 13 +++++++++++++ target/hexagon/genptr.c | 8 ++++++++ 2 files changed, 21 insertions(+) diff --git a/target/hexagon/gen_tcg.h b/target/hexagon/gen_tcg.h index 19697b42a5..3ee530f5d9 100644 --- a/target/hexagon/gen_tcg.h +++ b/target/hexagon/gen_tcg.h @@ -1015,6 +1015,19 @@ #define fGEN_TCG_S2_asl_r_r_sat(SHORTCODE) \ gen_asl_r_r_sat(RdV, RsV, RtV) +#define fGEN_TCG_SL2_jumpr31(SHORTCODE) \ + gen_jumpr(ctx, hex_gpr[HEX_REG_LR]) + +#define fGEN_TCG_SL2_jumpr31_t(SHORTCODE) \ + gen_cond_jumpr31(ctx, TCG_COND_EQ, hex_pred[0]) +#define fGEN_TCG_SL2_jumpr31_f(SHORTCODE) \ + gen_cond_jumpr31(ctx, TCG_COND_NE, hex_pred[0]) + +#define fGEN_TCG_SL2_jumpr31_tnew(SHORTCODE) \ + gen_cond_jumpr31(ctx, TCG_COND_EQ, hex_new_pred_value[0]) +#define fGEN_TCG_SL2_jumpr31_fnew(SHORTCODE) \ + gen_cond_jumpr31(ctx, TCG_COND_NE, hex_new_pred_value[0]) + /* Floating point */ #define fGEN_TCG_F2_conv_sf2df(SHORTCODE) \ gen_helper_conv_sf2df(RddV, cpu_env, RsV) diff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c index 6cf2e0ed43..ee67cb0069 100644 --- a/target/hexagon/genptr.c +++ b/target/hexagon/genptr.c @@ -553,6 +553,14 @@ static void gen_cond_jumpr(DisasContext *ctx, TCGv dst_pc, gen_write_new_pc_addr(ctx, dst_pc, cond, pred); } +static void gen_cond_jumpr31(DisasContext *ctx, TCGCond cond, TCGv pred) +{ + TCGv LSB = tcg_temp_new(); + tcg_gen_andi_tl(LSB, pred, 1); + gen_cond_jumpr(ctx, hex_gpr[HEX_REG_LR], cond, LSB); + tcg_temp_free(LSB); +} + static void gen_cond_jump(DisasContext *ctx, TCGCond cond, TCGv pred, int pc_off) { From patchwork Wed Dec 21 22:41:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taylor Simpson X-Patchwork-Id: 13079278 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 8C8F0C10F1B for ; Wed, 21 Dec 2022 22:59:38 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p87mO-0007zv-Q9; Wed, 21 Dec 2022 17:41:40 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p87mL-0007sU-5Q for qemu-devel@nongnu.org; Wed, 21 Dec 2022 17:41:37 -0500 Received: from mx0b-0031df01.pphosted.com ([205.220.180.131]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p87mI-0000kL-Pg for qemu-devel@nongnu.org; Wed, 21 Dec 2022 17:41:36 -0500 Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 2BLMfVIZ018180; Wed, 21 Dec 2022 22:41:31 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=qcppdkim1; bh=c2buYTN3Ml36yDslMl7tX5zhBn2YGjjC8lpusQNObUE=; b=V1PPtE1dp/dAXbtY8lxoMPiOwLZBZsLxz9f3a3vcSPJzK1kEs5sWvYd/VZhJSPQgnG7I eHEI14XC7todyaDjc9KpPRjC3FOteJgn0axcgbABuwM4mJy8Sc6nFgb90cmcF21omLqO +Kf3CvVTIUDg4YWPpDOLj4P8/0UYx/sjvMEKI6t3bb2HrUaYF9gnJnxC0UDag8l++8n3 SeyjzDCJkCbqp2hiJBAEvbycm3zlP1oUHq/0wk+K9ayHSHTkQ/iplIaCr713tUn/AyME XxH5nUoYoCRXTtR9co3CQh8UL3Bv7Vuk1WKB6l6WvIz7HA18edU7elJjuSjMwzclkWLE Xg== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3mm2brs67u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 21 Dec 2022 22:41:31 +0000 Received: from pps.filterd (NALASPPMTA04.qualcomm.com [127.0.0.1]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 2BLMfUmF025811; Wed, 21 Dec 2022 22:41:30 GMT Received: from pps.reinject (localhost [127.0.0.1]) by NALASPPMTA04.qualcomm.com (PPS) with ESMTPS id 3mh6um3yaj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 21 Dec 2022 22:41:30 +0000 Received: from NALASPPMTA04.qualcomm.com (NALASPPMTA04.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 2BLMfTEw025806; Wed, 21 Dec 2022 22:41:29 GMT Received: from hu-devc-lv-u18-c.qualcomm.com (hu-tsimpson-lv.qualcomm.com [10.47.235.220]) by NALASPPMTA04.qualcomm.com (PPS) with ESMTP id 2BLMfTjM025693; Wed, 21 Dec 2022 22:41:29 +0000 Received: by hu-devc-lv-u18-c.qualcomm.com (Postfix, from userid 47164) id 0B43F5000AE; Wed, 21 Dec 2022 14:41:29 -0800 (PST) From: Taylor Simpson To: qemu-devel@nongnu.org Cc: tsimpson@quicinc.com, richard.henderson@linaro.org, philmd@linaro.org, ale@rev.ng, anjo@rev.ng, bcain@quicinc.com, quic_mathbern@quicinc.com Subject: [PATCH 2/4] Hexagon (target/hexagon) Add overrides for callr Date: Wed, 21 Dec 2022 14:41:25 -0800 Message-Id: <20221221224127.20916-3-tsimpson@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221221224127.20916-1-tsimpson@quicinc.com> References: <20221221224127.20916-1-tsimpson@quicinc.com> MIME-Version: 1.0 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: Gg7TxknuV0FcxZLW5pORW0WUQlsfXFF0 X-Proofpoint-GUID: Gg7TxknuV0FcxZLW5pORW0WUQlsfXFF0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-12-21_12,2022-12-21_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=593 adultscore=0 priorityscore=1501 clxscore=1015 mlxscore=0 lowpriorityscore=0 malwarescore=0 spamscore=0 suspectscore=0 phishscore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2212210192 Received-SPF: pass client-ip=205.220.180.131; envelope-from=tsimpson@qualcomm.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add overrides for J2_callr J2_callrt J2_callrf Signed-off-by: Taylor Simpson --- target/hexagon/gen_tcg.h | 6 ++++++ target/hexagon/macros.h | 10 ---------- target/hexagon/genptr.c | 20 ++++++++++++++++++++ 3 files changed, 26 insertions(+), 10 deletions(-) diff --git a/target/hexagon/gen_tcg.h b/target/hexagon/gen_tcg.h index 3ee530f5d9..231654e6c1 100644 --- a/target/hexagon/gen_tcg.h +++ b/target/hexagon/gen_tcg.h @@ -614,11 +614,17 @@ #define fGEN_TCG_J2_call(SHORTCODE) \ gen_call(ctx, riV) +#define fGEN_TCG_J2_callr(SHORTCODE) \ + gen_callr(ctx, RsV) #define fGEN_TCG_J2_callt(SHORTCODE) \ gen_cond_call(ctx, PuV, TCG_COND_EQ, riV) #define fGEN_TCG_J2_callf(SHORTCODE) \ gen_cond_call(ctx, PuV, TCG_COND_NE, riV) +#define fGEN_TCG_J2_callrt(SHORTCODE) \ + gen_cond_callr(ctx, TCG_COND_EQ, PuV, RsV) +#define fGEN_TCG_J2_callrf(SHORTCODE) \ + gen_cond_callr(ctx, TCG_COND_NE, PuV, RsV) #define fGEN_TCG_J2_endloop0(SHORTCODE) \ gen_endloop0(ctx) diff --git a/target/hexagon/macros.h b/target/hexagon/macros.h index cd64bb8eec..f6cc0e950c 100644 --- a/target/hexagon/macros.h +++ b/target/hexagon/macros.h @@ -421,16 +421,6 @@ static inline TCGv gen_read_ireg(TCGv result, TCGv val, int shift) #define fBRANCH(LOC, TYPE) fWRITE_NPC(LOC) #define fJUMPR(REGNO, TARGET, TYPE) fBRANCH(TARGET, COF_TYPE_JUMPR) #define fHINTJR(TARGET) { /* Not modelled in qemu */} -#define fCALL(A) \ - do { \ - fWRITE_LR(fREAD_NPC()); \ - fBRANCH(A, COF_TYPE_CALL); \ - } while (0) -#define fCALLR(A) \ - do { \ - fWRITE_LR(fREAD_NPC()); \ - fBRANCH(A, COF_TYPE_CALLR); \ - } while (0) #define fWRITE_LOOP_REGS0(START, COUNT) \ do { \ WRITE_RREG(HEX_REG_LC0, COUNT); \ diff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c index ee67cb0069..9e31f3418b 100644 --- a/target/hexagon/genptr.c +++ b/target/hexagon/genptr.c @@ -670,6 +670,14 @@ static void gen_call(DisasContext *ctx, int pc_off) gen_write_new_pc_pcrel(ctx, pc_off, TCG_COND_ALWAYS, NULL); } +static void gen_callr(DisasContext *ctx, TCGv new_pc) +{ + TCGv next_PC = + tcg_constant_tl(ctx->pkt->pc + ctx->pkt->encod_pkt_size_in_bytes); + gen_log_reg_write(HEX_REG_LR, next_PC); + gen_write_new_pc_addr(ctx, new_pc, TCG_COND_ALWAYS, NULL); +} + static void gen_cond_call(DisasContext *ctx, TCGv pred, TCGCond cond, int pc_off) { @@ -686,6 +694,18 @@ static void gen_cond_call(DisasContext *ctx, TCGv pred, gen_set_label(skip); } +static void gen_cond_callr(DisasContext *ctx, + TCGCond cond, TCGv pred, TCGv new_pc) +{ + TCGv lsb = tcg_temp_new(); + TCGLabel *skip = gen_new_label(); + tcg_gen_andi_tl(lsb, pred, 1); + tcg_gen_brcondi_tl(cond, lsb, 0, skip); + tcg_temp_free(lsb); + gen_callr(ctx, new_pc); + gen_set_label(skip); +} + static void gen_endloop0(DisasContext *ctx) { TCGv lpcfg = tcg_temp_local_new(); From patchwork Wed Dec 21 22:41:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taylor Simpson X-Patchwork-Id: 13079250 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 949B8C4332F for ; Wed, 21 Dec 2022 22:55:00 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p87mO-0007yi-AT; Wed, 21 Dec 2022 17:41:40 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p87mL-0007sX-5T for qemu-devel@nongnu.org; Wed, 21 Dec 2022 17:41:37 -0500 Received: from mx0b-0031df01.pphosted.com ([205.220.180.131]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p87mI-0000kN-On for qemu-devel@nongnu.org; Wed, 21 Dec 2022 17:41:36 -0500 Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 2BLMJ1A0024434; Wed, 21 Dec 2022 22:41:31 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=qcppdkim1; bh=05YqAL/3RGNpThfg2LqJUcXYylCgETUi8ge7DyFH2N4=; b=ArRdMqo/9tG+9b6ql/jXjktyjiIa7JPcbowPe5E1M3mx/vCniSW9+8qHBkMSlTGIcMxH ZxMMcFjsDXeRiL/w70RLUkAxHRvfN/+GTDYXdBi7HsWL/3h5XTWtEccns9C50kAeuyxc rHDPU0fCTrAWnTQalgOcu/AlEkKu81r19f1PJYLtD0G48qJY/jj5i/H5jKz07lffDhQT mdtXl2F58V/J43ujF9yOnuflmzdNyHCRe57tBUQFCmih5NTr3ZJ2yn2Pb0MyRF8r6W+6 7/cId3NsBr3QJXOUDxXziYxsl9wS4IPLT71Es5E1XA5xY9yjPHoxR8LxQRkhTMkBv4nW vA== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3mk90t4crm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 21 Dec 2022 22:41:31 +0000 Received: from pps.filterd (NALASPPMTA03.qualcomm.com [127.0.0.1]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 2BLMfUMI012260; Wed, 21 Dec 2022 22:41:30 GMT Received: from pps.reinject (localhost [127.0.0.1]) by NALASPPMTA03.qualcomm.com (PPS) with ESMTPS id 3mh6ukkyw5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 21 Dec 2022 22:41:30 +0000 Received: from NALASPPMTA03.qualcomm.com (NALASPPMTA03.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 2BLMfT6e012242; Wed, 21 Dec 2022 22:41:29 GMT Received: from hu-devc-lv-u18-c.qualcomm.com (hu-tsimpson-lv.qualcomm.com [10.47.235.220]) by NALASPPMTA03.qualcomm.com (PPS) with ESMTP id 2BLMfTL4012157; Wed, 21 Dec 2022 22:41:29 +0000 Received: by hu-devc-lv-u18-c.qualcomm.com (Postfix, from userid 47164) id 0E4105000AF; Wed, 21 Dec 2022 14:41:29 -0800 (PST) From: Taylor Simpson To: qemu-devel@nongnu.org Cc: tsimpson@quicinc.com, richard.henderson@linaro.org, philmd@linaro.org, ale@rev.ng, anjo@rev.ng, bcain@quicinc.com, quic_mathbern@quicinc.com Subject: [PATCH 3/4] Hexagon (target/hexagon) Add overrides for endloop1/endloop01 Date: Wed, 21 Dec 2022 14:41:26 -0800 Message-Id: <20221221224127.20916-4-tsimpson@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221221224127.20916-1-tsimpson@quicinc.com> References: <20221221224127.20916-1-tsimpson@quicinc.com> MIME-Version: 1.0 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: vDkOlX7rDxVS5WYTWhyFZD8muNGnJoq- X-Proofpoint-ORIG-GUID: vDkOlX7rDxVS5WYTWhyFZD8muNGnJoq- X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-12-21_12,2022-12-21_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 spamscore=0 impostorscore=0 mlxscore=0 phishscore=0 mlxlogscore=665 suspectscore=0 priorityscore=1501 lowpriorityscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2212210192 Received-SPF: pass client-ip=205.220.180.131; envelope-from=tsimpson@qualcomm.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Signed-off-by: Taylor Simpson --- target/hexagon/gen_tcg.h | 4 ++ target/hexagon/genptr.c | 79 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 83 insertions(+) diff --git a/target/hexagon/gen_tcg.h b/target/hexagon/gen_tcg.h index 231654e6c1..1ac23b75a0 100644 --- a/target/hexagon/gen_tcg.h +++ b/target/hexagon/gen_tcg.h @@ -628,6 +628,10 @@ #define fGEN_TCG_J2_endloop0(SHORTCODE) \ gen_endloop0(ctx) +#define fGEN_TCG_J2_endloop1(SHORTCODE) \ + gen_endloop1(ctx) +#define fGEN_TCG_J2_endloop01(SHORTCODE) \ + gen_endloop01(ctx) /* * Compound compare and jump instructions diff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c index 9e31f3418b..0eef2a2068 100644 --- a/target/hexagon/genptr.c +++ b/target/hexagon/genptr.c @@ -763,6 +763,85 @@ static void gen_endloop0(DisasContext *ctx) tcg_temp_free(lpcfg); } +static void gen_endloop1(DisasContext *ctx) +{ + /* + * if (hex_gpr[HEX_REG_LC1] > 1) { + * PC = hex_gpr[HEX_REG_SA1]; + * hex_new_value[HEX_REG_LC1] = hex_gpr[HEX_REG_LC1] - 1; + * } + */ + TCGLabel *label = gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_LEU, hex_gpr[HEX_REG_LC1], 1, label); + { + gen_jumpr(ctx, hex_gpr[HEX_REG_SA1]); + tcg_gen_subi_tl(hex_new_value[HEX_REG_LC1], hex_gpr[HEX_REG_LC1], 1); + } + gen_set_label(label); +} + +static void gen_endloop01(DisasContext *ctx) +{ + TCGv lpcfg = tcg_temp_local_new(); + + GET_USR_FIELD(USR_LPCFG, lpcfg); + + /* + * if (lpcfg == 1) { + * hex_new_pred_value[3] = 0xff; + * hex_pred_written |= 1 << 3; + * } + */ + TCGLabel *label1 = gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_NE, lpcfg, 1, label1); + { + tcg_gen_movi_tl(hex_new_pred_value[3], 0xff); + tcg_gen_ori_tl(hex_pred_written, hex_pred_written, 1 << 3); + } + gen_set_label(label1); + + /* + * if (lpcfg) { + * SET_USR_FIELD(USR_LPCFG, lpcfg - 1); + * } + */ + TCGLabel *label2 = gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_EQ, lpcfg, 0, label2); + { + tcg_gen_subi_tl(lpcfg, lpcfg, 1); + SET_USR_FIELD(USR_LPCFG, lpcfg); + } + gen_set_label(label2); + + /* + * if (hex_gpr[HEX_REG_LC0] > 1) { + * PC = hex_gpr[HEX_REG_SA0]; + * hex_new_value[HEX_REG_LC0] = hex_gpr[HEX_REG_LC0] - 1; + * } else { + * if (hex_gpr[HEX_REG_LC1] > 1) { + * hex_next_pc = hex_gpr[HEX_REG_SA1]; + * hex_new_value[HEX_REG_LC1] = hex_gpr[HEX_REG_LC1] - 1; + * } + * } + */ + TCGLabel *label3 = gen_new_label(); + TCGLabel *done = gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_LEU, hex_gpr[HEX_REG_LC0], 1, label3); + { + gen_jumpr(ctx, hex_gpr[HEX_REG_SA0]); + tcg_gen_subi_tl(hex_new_value[HEX_REG_LC0], hex_gpr[HEX_REG_LC0], 1); + tcg_gen_br(done); + } + gen_set_label(label3); + tcg_gen_brcondi_tl(TCG_COND_LEU, hex_gpr[HEX_REG_LC1], 1, done); + { + gen_jumpr(ctx, hex_gpr[HEX_REG_SA1]); + tcg_gen_subi_tl(hex_new_value[HEX_REG_LC1], hex_gpr[HEX_REG_LC1], 1); + } + gen_set_label(done); + tcg_temp_free(lpcfg); +} + static void gen_cmp_jumpnv(DisasContext *ctx, TCGCond cond, TCGv val, TCGv src, int pc_off) { From patchwork Wed Dec 21 22:41:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Taylor Simpson X-Patchwork-Id: 13079268 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 59718C4332F for ; Wed, 21 Dec 2022 22:56:34 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1p87mO-0007yS-1v; Wed, 21 Dec 2022 17:41:40 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p87mL-0007sO-0m for qemu-devel@nongnu.org; Wed, 21 Dec 2022 17:41:37 -0500 Received: from mx0b-0031df01.pphosted.com ([205.220.180.131]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1p87mI-0000kM-Pi for qemu-devel@nongnu.org; Wed, 21 Dec 2022 17:41:36 -0500 Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 2BLMRDR1016133; Wed, 21 Dec 2022 22:41:31 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=qcppdkim1; bh=bJ89UgkOBFgPAiR4mlY+EauBzQ88vRJ3V6Sb/FHkqss=; b=kBJRbltKVnfsXIcByZmLfBXFzR5aX7IeilI24+FzcZ7/qJp3D2Xv+tIpYuberscuTS5N YTyGSvK2FWzQGVZaUUYsMaoN91Cp2GBdms7Z9olK4ZSxrhalLZfnrejvZvwZVVdkU/3R PRz1pKlceWSBBxSVV+6ALJ8O1koKInMhDAk4ojo4/WCY8WwGl99cJveiPRi0HKz2+Yj0 gscARf5KgOHOXpAK/F79IeX/JaMicItdOYKCKi8MoM4yGaKmJs8L3URaQioTFKk9dOke fK27TWFexz2jb4BKfGagNf4IUJIP2RAMVcJhCDlnfyWTKEHSdYLG301BGs3wvq+xyV+T 8g== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3mm0wfhcm4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 21 Dec 2022 22:41:31 +0000 Received: from pps.filterd (NALASPPMTA03.qualcomm.com [127.0.0.1]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 2BLMfUuc012264; Wed, 21 Dec 2022 22:41:30 GMT Received: from pps.reinject (localhost [127.0.0.1]) by NALASPPMTA03.qualcomm.com (PPS) with ESMTPS id 3mh6ukkyw7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 21 Dec 2022 22:41:30 +0000 Received: from NALASPPMTA03.qualcomm.com (NALASPPMTA03.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 2BLMfTaE012243; Wed, 21 Dec 2022 22:41:29 GMT Received: from hu-devc-lv-u18-c.qualcomm.com (hu-tsimpson-lv.qualcomm.com [10.47.235.220]) by NALASPPMTA03.qualcomm.com (PPS) with ESMTP id 2BLMfTue012161; Wed, 21 Dec 2022 22:41:29 +0000 Received: by hu-devc-lv-u18-c.qualcomm.com (Postfix, from userid 47164) id 117B65000B0; Wed, 21 Dec 2022 14:41:29 -0800 (PST) From: Taylor Simpson To: qemu-devel@nongnu.org Cc: tsimpson@quicinc.com, richard.henderson@linaro.org, philmd@linaro.org, ale@rev.ng, anjo@rev.ng, bcain@quicinc.com, quic_mathbern@quicinc.com Subject: [PATCH 4/4] Hexagon (target/hexagon) Add overrides for dealloc-return instructions Date: Wed, 21 Dec 2022 14:41:27 -0800 Message-Id: <20221221224127.20916-5-tsimpson@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20221221224127.20916-1-tsimpson@quicinc.com> References: <20221221224127.20916-1-tsimpson@quicinc.com> MIME-Version: 1.0 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: K17cWySvFTBHvvq7XgP7vRgp4U4Lo9NF X-Proofpoint-GUID: K17cWySvFTBHvvq7XgP7vRgp4U4Lo9NF X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-12-21_12,2022-12-21_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=2 mlxlogscore=168 clxscore=1015 spamscore=2 suspectscore=0 phishscore=0 malwarescore=0 impostorscore=0 priorityscore=1501 mlxscore=2 bulkscore=0 adultscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2212210192 Received-SPF: pass client-ip=205.220.180.131; envelope-from=tsimpson@qualcomm.com; helo=mx0b-0031df01.pphosted.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org These instructions perform a deallocframe+return (jumpr r31) Add overrides for L4_return SL2_return L4_return_t L4_return_f L4_return_tnew_pt L4_return_fnew_pt L4_return_tnew_pnt L4_return_fnew_pnt SL2_return_t SL2_return_f SL2_return_tnew SL2_return_fnew This patch eliminates the last helper that uses write_new_pc, so we remove it from op_helper.c Signed-off-by: Taylor Simpson --- target/hexagon/gen_tcg.h | 54 ++++++++++++++++++++++++ target/hexagon/genptr.c | 86 ++++++++++++++++++++++++++++++++++++++ target/hexagon/op_helper.c | 24 ----------- 3 files changed, 140 insertions(+), 24 deletions(-) diff --git a/target/hexagon/gen_tcg.h b/target/hexagon/gen_tcg.h index 1ac23b75a0..b54036655a 100644 --- a/target/hexagon/gen_tcg.h +++ b/target/hexagon/gen_tcg.h @@ -508,6 +508,60 @@ #define fGEN_TCG_S2_storerinew_pcr(SHORTCODE) \ fGEN_TCG_STORE_pcr(2, fSTORE(1, 4, EA, NtN)) +/* + * dealloc_return + * Assembler mapped to + * r31:30 = dealloc_return(r30):raw + */ +#define fGEN_TCG_L4_return(SHORTCODE) \ + gen_return(ctx, RddV, RsV) + +/* + * sub-instruction version (no RddV, so handle it manually) + */ +#define fGEN_TCG_SL2_return(SHORTCODE) \ + do { \ + TCGv_i64 RddV = tcg_temp_new_i64(); \ + gen_return(ctx, RddV, hex_gpr[HEX_REG_FP]); \ + gen_log_reg_write_pair(HEX_REG_FP, RddV); \ + tcg_temp_free_i64(RddV); \ + } while (0) + +/* + * Conditional returns follow this naming convention + * _t predicate true + * _f predicate false + * _tnew_pt predicate.new true predict taken + * _fnew_pt predicate.new false predict taken + * _tnew_pnt predicate.new true predict not taken + * _fnew_pnt predicate.new false predict not taken + * Predictions are not modelled in QEMU + * + * Example: + * if (p1) r31:30 = dealloc_return(r30):raw + */ +#define fGEN_TCG_L4_return_t(SHORTCODE) \ + gen_cond_return(ctx, RddV, RsV, PvV, TCG_COND_EQ); +#define fGEN_TCG_L4_return_f(SHORTCODE) \ + gen_cond_return(ctx, RddV, RsV, PvV, TCG_COND_NE) +#define fGEN_TCG_L4_return_tnew_pt(SHORTCODE) \ + gen_cond_return(ctx, RddV, RsV, PvN, TCG_COND_EQ) +#define fGEN_TCG_L4_return_fnew_pt(SHORTCODE) \ + gen_cond_return(ctx, RddV, RsV, PvN, TCG_COND_NE) +#define fGEN_TCG_L4_return_tnew_pnt(SHORTCODE) \ + gen_cond_return(ctx, RddV, RsV, PvN, TCG_COND_EQ) +#define fGEN_TCG_L4_return_fnew_pnt(SHORTCODE) \ + gen_cond_return(ctx, RddV, RsV, PvN, TCG_COND_NE) + +#define fGEN_TCG_SL2_return_t(SHORTCODE) \ + gen_cond_return_subinsn(ctx, TCG_COND_EQ, hex_pred[0]) +#define fGEN_TCG_SL2_return_f(SHORTCODE) \ + gen_cond_return_subinsn(ctx, TCG_COND_NE, hex_pred[0]) +#define fGEN_TCG_SL2_return_tnew(SHORTCODE) \ + gen_cond_return_subinsn(ctx, TCG_COND_EQ, hex_new_pred_value[0]) +#define fGEN_TCG_SL2_return_fnew(SHORTCODE) \ + gen_cond_return_subinsn(ctx, TCG_COND_NE, hex_new_pred_value[0]) + /* * Mathematical operations with more than one definition require * special handling diff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c index 0eef2a2068..1544d181f1 100644 --- a/target/hexagon/genptr.c +++ b/target/hexagon/genptr.c @@ -706,6 +706,92 @@ static void gen_cond_callr(DisasContext *ctx, gen_set_label(skip); } +/* frame ^= (int64_t)FRAMEKEY << 32 */ +static void gen_frame_unscramble(TCGv_i64 frame) +{ + TCGv_i64 framekey = tcg_temp_new_i64(); + tcg_gen_extu_i32_i64(framekey, hex_gpr[HEX_REG_FRAMEKEY]); + tcg_gen_shli_i64(framekey, framekey, 32); + tcg_gen_xor_i64(frame, frame, framekey); + tcg_temp_free_i64(framekey); +} + +static void gen_load_frame(DisasContext *ctx, TCGv_i64 frame, TCGv EA) +{ + Insn *insn = ctx->insn; /* Needed for CHECK_NOSHUF */ + CHECK_NOSHUF(EA, 8); + tcg_gen_qemu_ld64(frame, EA, ctx->mem_idx); +} + +static void gen_return_base(DisasContext *ctx, TCGv_i64 dst, TCGv src, + TCGv r29) +{ + /* + * frame = *src + * dst = frame_unscramble(frame) + * SP = src + 8 + * PC = dst.w[1] + */ + TCGv_i64 frame = tcg_temp_new_i64(); + TCGv r31 = tcg_temp_new(); + + gen_load_frame(ctx, frame, src); + gen_frame_unscramble(frame); + tcg_gen_mov_i64(dst, frame); + tcg_gen_addi_tl(r29, src, 8); + tcg_gen_extrh_i64_i32(r31, dst); + gen_jumpr(ctx, r31); + + tcg_temp_free_i64(frame); + tcg_temp_free(r31); +} + +static void gen_return(DisasContext *ctx, TCGv_i64 dst, TCGv src) +{ + TCGv r29 = tcg_temp_new(); + gen_return_base(ctx, dst, src, r29); + gen_log_reg_write(HEX_REG_SP, r29); + tcg_temp_free(r29); +} + +/* if (pred) dst = dealloc_return(src):raw */ +static void gen_cond_return(DisasContext *ctx, TCGv_i64 dst, TCGv src, + TCGv pred, TCGCond cond) +{ + TCGv LSB = tcg_temp_new(); + TCGv mask = tcg_temp_new(); + TCGv r29 = tcg_temp_local_new(); + TCGLabel *skip = gen_new_label(); + tcg_gen_andi_tl(LSB, pred, 1); + + /* Initialize the results in case the predicate is false */ + tcg_gen_movi_i64(dst, 0); + tcg_gen_movi_tl(r29, 0); + + /* Set the bit in hex_slot_cancelled if the predicate is flase */ + tcg_gen_movi_tl(mask, 1 << ctx->insn->slot); + tcg_gen_or_tl(mask, hex_slot_cancelled, mask); + tcg_gen_movcond_tl(cond, hex_slot_cancelled, LSB, tcg_constant_tl(0), + mask, hex_slot_cancelled); + tcg_temp_free(mask); + + tcg_gen_brcondi_tl(cond, LSB, 0, skip); + tcg_temp_free(LSB); + gen_return_base(ctx, dst, src, r29); + gen_set_label(skip); + gen_log_predicated_reg_write(HEX_REG_SP, r29, ctx->insn->slot); + tcg_temp_free(r29); +} + +/* sub-instruction version (no RddV, so handle it manually) */ +static void gen_cond_return_subinsn(DisasContext *ctx, TCGCond cond, TCGv pred) +{ + TCGv_i64 RddV = tcg_temp_local_new_i64(); + gen_cond_return(ctx, RddV, hex_gpr[HEX_REG_FP], pred, cond); + gen_log_predicated_reg_write_pair(HEX_REG_FP, RddV, ctx->insn->slot); + tcg_temp_free_i64(RddV); +} + static void gen_endloop0(DisasContext *ctx) { TCGv lpcfg = tcg_temp_local_new(); diff --git a/target/hexagon/op_helper.c b/target/hexagon/op_helper.c index 35449ef524..9aa0f963fa 100644 --- a/target/hexagon/op_helper.c +++ b/target/hexagon/op_helper.c @@ -105,30 +105,6 @@ void log_store64(CPUHexagonState *env, target_ulong addr, env->mem_log_stores[slot].data64 = val; } -void write_new_pc(CPUHexagonState *env, bool pkt_has_multi_cof, - target_ulong addr) -{ - HEX_DEBUG_LOG("write_new_pc(0x" TARGET_FMT_lx ")\n", addr); - - if (pkt_has_multi_cof) { - /* - * If more than one branch is taken in a packet, only the first one - * is actually done. - */ - if (env->branch_taken) { - HEX_DEBUG_LOG("INFO: multiple branches taken in same packet, " - "ignoring the second one\n"); - } else { - fCHECK_PCALIGN(addr); - env->gpr[HEX_REG_PC] = addr; - env->branch_taken = 1; - } - } else { - fCHECK_PCALIGN(addr); - env->gpr[HEX_REG_PC] = addr; - } -} - /* Handy place to set a breakpoint */ void HELPER(debug_start_packet)(CPUHexagonState *env) {