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Thu, 02 Apr 2026 03:47:40 -0700 (PDT) X-Received: by 2002:a05:7301:6087:b0:2c5:b23e:48a6 with SMTP id 5a478bee46e88-2c9328abd2fmr3675927eec.23.1775126860093; Thu, 02 Apr 2026 03:47:40 -0700 (PDT) From: Matheus Tavares Bernardino To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, ale@rev.ng, anjo@rev.ng, brian.cain@oss.qualcomm.com, ltaylorsimpson@gmail.com, marco.liebel@oss.qualcomm.com, philmd@linaro.org, quic_mburton@quicinc.com, sid.manning@oss.qualcomm.com Subject: [PATCH v2 05/16] hexagon: print info on "-d in_asm" for disabled IEEE FP instructions Date: Thu, 2 Apr 2026 03:47:22 -0700 Message-Id: <3ff972307eb799dad24ec655759ee37aa788ca1f.1775122853.git.matheus.bernardino@oss.qualcomm.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Authority-Analysis: v=2.4 cv=RYydyltv c=1 sm=1 tr=0 ts=69ce494d cx=c_pps a=wEP8DlPgTf/vqF+yE6f9lg==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=uwSgyZDXI7pCxt1u4dUA:9 a=bBxd6f-gb0O0v-kibOvt:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDA5NyBTYWx0ZWRfXziCcT6Yp/wby AnuDEdEY/hqClOkgfl9tOK0uZnD1vKHemmahieIkgelO0qNCfkAcDRdT6mNkDb7BRdL7I5jBTwi fHVfK2QeHSGK9yFUm2jp8aG3jssNZT3GTKOQgS5lT/2KGKDxWJpo8VWIzYf8u1EIYgnEHt/apuG Cak+5v7Y+qPfQEe4KOzdyOxAF7MQXNIdDRJwbx4x15toijZ+uqOIxNfi7nDoYTSFJcoDKHsIc44 B7eSdZltpLejRnlKh0GRp04OPPirgkzsV6mxrAbADOa013snWmJSjgmeGPQRtTwiDtkonlTUg89 B7KdFyuCyhKPG8qytNSlcHjCVoKruXE6cptwLCHTbFq+xhaGXKLR4scYAaG12+B3oJ/0ta0irZs H6avN2jQyE+zzjnBHLRCnXd0HYZVhMZ6YdCIpvcoRvMZ9wBI5i/fTv/iDyQcc7kg51Q5xu7xq4f JZP/zz2Ua1rg2rVQjfA== X-Proofpoint-ORIG-GUID: eUY9D6Uts2z6iNn0V9jV14Lljx_xmFqd X-Proofpoint-GUID: eUY9D6Uts2z6iNn0V9jV14Lljx_xmFqd X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-02_01,2026-04-02_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 clxscore=1015 adultscore=0 bulkscore=0 spamscore=0 phishscore=0 impostorscore=0 lowpriorityscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020097 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=205.220.168.131; envelope-from=matheus.bernardino@oss.qualcomm.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -7 X-Spam_score: -0.8 X-Spam_bar: / X-Spam_report: (-0.8 / 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_LOW=-0.7, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, 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: qemu development 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 @qualcomm.com) X-ZM-MESSAGEID: 1775127002350154100 Content-Type: text/plain; charset="utf-8" When cpu->cfg.ieee_fp_extension is off, IEEE FP instructions don't get executed. Let's print that info on the "-d in_asm" output to help users. This will generate an output like the following: 0x00020e30: 0x1f82e1c0 { V0.sf =3D vadd(V1.sf,V2.sf) (disabled: no i= eee_fp) } Signed-off-by: Matheus Tavares Bernardino --- target/hexagon/cpu_bits.h | 3 ++- target/hexagon/printinsn.h | 2 +- disas/hexagon.c | 3 ++- target/hexagon/cpu.c | 2 ++ target/hexagon/decode.c | 4 ++-- target/hexagon/printinsn.c | 7 ++++++- 6 files changed, 15 insertions(+), 6 deletions(-) diff --git a/target/hexagon/cpu_bits.h b/target/hexagon/cpu_bits.h index 83d13de569..1f9e617d72 100644 --- a/target/hexagon/cpu_bits.h +++ b/target/hexagon/cpu_bits.h @@ -72,6 +72,7 @@ static inline bool is_packet_end(uint32_t endocing) return ((bits =3D=3D 0x3) || (bits =3D=3D 0x0)); } =20 -int disassemble_hexagon(uint32_t *words, int nwords, bfd_vma pc, GString *= buf); +int disassemble_hexagon(uint32_t *words, int nwords, bfd_vma pc, + GString *buf, const HexagonCPUConfig *cfg); =20 #endif diff --git a/target/hexagon/printinsn.h b/target/hexagon/printinsn.h index 2ecd1731d0..6a45ec571f 100644 --- a/target/hexagon/printinsn.h +++ b/target/hexagon/printinsn.h @@ -21,7 +21,7 @@ #include "insn.h" =20 void snprint_a_pkt_disas(GString *buf, Packet *pkt, uint32_t *words, - target_ulong pc); + target_ulong pc, const HexagonCPUConfig *cfg); void snprint_a_pkt_debug(GString *buf, Packet *pkt); =20 #endif diff --git a/disas/hexagon.c b/disas/hexagon.c index c1a4ffc5f6..e2d3804606 100644 --- a/disas/hexagon.c +++ b/disas/hexagon.c @@ -57,8 +57,9 @@ int print_insn_hexagon(bfd_vma memaddr, struct disassembl= e_info *info) return PACKET_WORDS_MAX * sizeof(uint32_t); } =20 + const HexagonCPUConfig *cfg =3D info->target_info; buf =3D g_string_sized_new(PACKET_BUFFER_LEN); - len =3D disassemble_hexagon(words, i, memaddr, buf); + len =3D disassemble_hexagon(words, i, memaddr, buf, cfg); (*info->fprintf_func)(info->stream, "%s", buf->str); g_string_free(buf, true); =20 diff --git a/target/hexagon/cpu.c b/target/hexagon/cpu.c index 5470d9c7ce..d7f4df5f96 100644 --- a/target/hexagon/cpu.c +++ b/target/hexagon/cpu.c @@ -307,6 +307,8 @@ static void hexagon_cpu_disas_set_info(const CPUState *= cs, { info->print_insn =3D print_insn_hexagon; info->endian =3D BFD_ENDIAN_LITTLE; + HexagonCPU *cpu =3D HEXAGON_CPU(cs); + info->target_info =3D &cpu->cfg; } =20 static void hexagon_cpu_realize(DeviceState *dev, Error **errp) diff --git a/target/hexagon/decode.c b/target/hexagon/decode.c index dbc9c630e8..d7ce8c8e1b 100644 --- a/target/hexagon/decode.c +++ b/target/hexagon/decode.c @@ -801,7 +801,7 @@ int decode_packet(DisasContext *ctx, int max_words, con= st uint32_t *words, =20 /* Used for "-d in_asm" logging */ int disassemble_hexagon(uint32_t *words, int nwords, bfd_vma pc, - GString *buf) + GString *buf, const HexagonCPUConfig *cfg) { DisasContext ctx; Packet pkt; @@ -810,7 +810,7 @@ int disassemble_hexagon(uint32_t *words, int nwords, bf= d_vma pc, ctx.pkt =3D &pkt; =20 if (decode_packet(&ctx, nwords, words, &pkt, true) > 0) { - snprint_a_pkt_disas(buf, &pkt, words, pc); + snprint_a_pkt_disas(buf, &pkt, words, pc, cfg); return pkt.encod_pkt_size_in_bytes; } else { g_string_assign(buf, ""); diff --git a/target/hexagon/printinsn.c b/target/hexagon/printinsn.c index 4865cdd133..85527f56e2 100644 --- a/target/hexagon/printinsn.c +++ b/target/hexagon/printinsn.c @@ -51,7 +51,7 @@ static void snprintinsn(GString *buf, Insn *insn) } =20 void snprint_a_pkt_disas(GString *buf, Packet *pkt, uint32_t *words, - target_ulong pc) + target_ulong pc, const HexagonCPUConfig *cfg) { bool has_endloop0 =3D false; bool has_endloop1 =3D false; @@ -85,6 +85,11 @@ void snprint_a_pkt_disas(GString *buf, Packet *pkt, uint= 32_t *words, g_string_append(buf, "\t"); snprintinsn(buf, &(pkt->insn[i])); =20 + if (!cfg->ieee_fp_extension && + GET_ATTRIB(pkt->insn[i].opcode, A_HVX_IEEE_FP)) { + g_string_append(buf, " (disabled: no ieee_fp)"); + } + if (i < pkt->num_insns - 1) { /* * Subinstructions are two instructions encoded --=20 2.37.2