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GET /api/patches/2194967/?format=api
{ "id": 2194967, "url": "http://patchwork.ozlabs.org/api/patches/2194967/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/D1AB2DDF-E79F-431E-BAC8-F12D593164D3@nvidia.com/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/projects/17/?format=api", "name": "GNU Compiler Collection", "link_name": "gcc", "list_id": "gcc-patches.gcc.gnu.org", "list_email": "gcc-patches@gcc.gnu.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<D1AB2DDF-E79F-431E-BAC8-F12D593164D3@nvidia.com>", "list_archive_url": null, "date": "2026-02-10T10:08:28", "name": "aarch64: Fix ICE in JSON tuning schema with dispatch scheduling and update schema for SVE costs", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "12befe15e79bef2e1840aded5f6348e6aa08195f", "submitter": { "id": 89747, "url": "http://patchwork.ozlabs.org/api/people/89747/?format=api", "name": "Soumya AR", "email": "soumyaa@nvidia.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/D1AB2DDF-E79F-431E-BAC8-F12D593164D3@nvidia.com/mbox/", "series": [ { "id": 491641, "url": "http://patchwork.ozlabs.org/api/series/491641/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=491641", "date": "2026-02-10T10:08:28", "name": "aarch64: Fix ICE in JSON tuning schema with dispatch scheduling and update schema for SVE costs", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/491641/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2194967/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2194967/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "gcc-patches@gcc.gnu.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=Nvidia.com header.i=@Nvidia.com header.a=rsa-sha256\n header.s=selector2 header.b=WBJKzsx4;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; 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charset=\"us-ascii\"", "Content-ID": "<26648702296EBB4682E93F82CB0B6FFD@namprd12.prod.outlook.com>", "Content-Transfer-Encoding": "quoted-printable", "MIME-Version": "1.0", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-AuthAs": "Internal", "X-MS-Exchange-CrossTenant-AuthSource": "SA1PR12MB9546.namprd12.prod.outlook.com", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 79238dce-fbf0-4ca7-dee7-08de688c5631", "X-MS-Exchange-CrossTenant-originalarrivaltime": "10 Feb 2026 10:08:28.3773 (UTC)", "X-MS-Exchange-CrossTenant-fromentityheader": "Hosted", "X-MS-Exchange-CrossTenant-id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-mailboxtype": "HOSTED", "X-MS-Exchange-CrossTenant-userprincipalname": "\n cMSg+1T8zUXA47KwDL7NfB2LHErsUiSvYlbI/Q80n8w+OZPp30VYcDNDQveiikxlc5NYUvMhYwAcCmMpB/2kFQ==", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "PH7PR12MB9150", "X-BeenThere": "gcc-patches@gcc.gnu.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>", "List-Archive": "<https://gcc.gnu.org/pipermail/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-request@gcc.gnu.org?subject=help>", "List-Subscribe": "<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "This patch fixes the following bugs:\n\n1) For SVE vector costs [sve_vec_cost], the JSON schema did not list the\ninherited members from the base structure, only the SVE specific ones. Updated\nthe schema to include all the members and regenerated the printing/parsing\nroutines.\n\n2) If someone uses -fdump-tuning-model with mcpu=olympus, it will have the flag\nfor dispatch scheduling enabled. Then, if someone uses that dump against any\n-mcpu other than olympus for tuning, it will ICE as we enable dispatch scheduling\nbut don't provide the data. Updated this to clear the flag if\ndispatch_constraints is NULL.\n\nSigned-off-by: Soumya AR <soumyaa@nvidia.com>\n\ngcc/ChangeLog:\n\n\t* config/aarch64/aarch64-json-schema.h: Include inherited members for\n\tSVE vector costs.\n\t* config/aarch64/aarch64-json-tunings-parser-generated.inc\n\t(parse_vec_costs_sve): Regenerate.\n\t* config/aarch64/aarch64-json-tunings-parser.cc\n\t(aarch64_load_tuning_params_from_json_string): Clear dispatch scheduling\n\tflag if dispatch_constraints is NULL.\n\t* config/aarch64/aarch64-json-tunings-printer-generated.inc\n\t(serialize_vec_costs_sve): Regenerate.\n---\n gcc/config/aarch64/aarch64-json-schema.h | 20 +++++++++++++++++++\n .../aarch64-json-tunings-parser-generated.inc | 20 +++++++++++++++++++\n .../aarch64/aarch64-json-tunings-parser.cc | 14 +++++++++++++\n ...aarch64-json-tunings-printer-generated.inc | 20 +++++++++++++++++++\n 4 files changed, 74 insertions(+)", "diff": "diff --git a/gcc/config/aarch64/aarch64-json-schema.h b/gcc/config/aarch64/aarch64-json-schema.h\nindex 32fb39300fe..9b6c5478d15 100644\n--- a/gcc/config/aarch64/aarch64-json-schema.h\n+++ b/gcc/config/aarch64/aarch64-json-schema.h\n@@ -176,6 +176,26 @@ static const char *schema_json = R\"json(\n \t\"store_cost\": \"int\"\n },\n \"sve\": {\n+\t\"int_stmt_cost\": \"int\",\n+\t\"fp_stmt_cost\": \"int\",\n+\t\"ld2_st2_permute_cost\": \"int\",\n+\t\"ld3_st3_permute_cost\": \"int\",\n+\t\"ld4_st4_permute_cost\": \"int\",\n+\t\"permute_cost\": \"int\",\n+\t\"reduc_i8_cost\": \"int\",\n+\t\"reduc_i16_cost\": \"int\",\n+\t\"reduc_i32_cost\": \"int\",\n+\t\"reduc_i64_cost\": \"int\",\n+\t\"reduc_f16_cost\": \"int\",\n+\t\"reduc_f32_cost\": \"int\",\n+\t\"reduc_f64_cost\": \"int\",\n+\t\"store_elt_extra_cost\": \"int\",\n+\t\"vec_to_scalar_cost\": \"int\",\n+\t\"scalar_to_vec_cost\": \"int\",\n+\t\"align_load_cost\": \"int\",\n+\t\"unalign_load_cost\": \"int\",\n+\t\"unalign_store_cost\": \"int\",\n+\t\"store_cost\": \"int\",\n \t\"clast_cost\": \"int\",\n \t\"fadda_f16_cost\": \"int\",\n \t\"fadda_f32_cost\": \"int\",\ndiff --git a/gcc/config/aarch64/aarch64-json-tunings-parser-generated.inc b/gcc/config/aarch64/aarch64-json-tunings-parser-generated.inc\nindex 882d8f79975..7943dea6ece 100644\n--- a/gcc/config/aarch64/aarch64-json-tunings-parser-generated.inc\n+++ b/gcc/config/aarch64/aarch64-json-tunings-parser-generated.inc\n@@ -175,6 +175,26 @@ template <typename T>\n static void\n parse_vec_costs_sve (const json::object *jo, T &sve)\n {\n+ PARSE_INTEGER_FIELD (jo, \"int_stmt_cost\", sve.int_stmt_cost);\n+ PARSE_INTEGER_FIELD (jo, \"fp_stmt_cost\", sve.fp_stmt_cost);\n+ PARSE_INTEGER_FIELD (jo, \"ld2_st2_permute_cost\", sve.ld2_st2_permute_cost);\n+ PARSE_INTEGER_FIELD (jo, \"ld3_st3_permute_cost\", sve.ld3_st3_permute_cost);\n+ PARSE_INTEGER_FIELD (jo, \"ld4_st4_permute_cost\", sve.ld4_st4_permute_cost);\n+ PARSE_INTEGER_FIELD (jo, \"permute_cost\", sve.permute_cost);\n+ PARSE_INTEGER_FIELD (jo, \"reduc_i8_cost\", sve.reduc_i8_cost);\n+ PARSE_INTEGER_FIELD (jo, \"reduc_i16_cost\", sve.reduc_i16_cost);\n+ PARSE_INTEGER_FIELD (jo, \"reduc_i32_cost\", sve.reduc_i32_cost);\n+ PARSE_INTEGER_FIELD (jo, \"reduc_i64_cost\", sve.reduc_i64_cost);\n+ PARSE_INTEGER_FIELD (jo, \"reduc_f16_cost\", sve.reduc_f16_cost);\n+ PARSE_INTEGER_FIELD (jo, \"reduc_f32_cost\", sve.reduc_f32_cost);\n+ PARSE_INTEGER_FIELD (jo, \"reduc_f64_cost\", sve.reduc_f64_cost);\n+ PARSE_INTEGER_FIELD (jo, \"store_elt_extra_cost\", sve.store_elt_extra_cost);\n+ PARSE_INTEGER_FIELD (jo, \"vec_to_scalar_cost\", sve.vec_to_scalar_cost);\n+ PARSE_INTEGER_FIELD (jo, \"scalar_to_vec_cost\", sve.scalar_to_vec_cost);\n+ PARSE_INTEGER_FIELD (jo, \"align_load_cost\", sve.align_load_cost);\n+ PARSE_INTEGER_FIELD (jo, \"unalign_load_cost\", sve.unalign_load_cost);\n+ PARSE_INTEGER_FIELD (jo, \"unalign_store_cost\", sve.unalign_store_cost);\n+ PARSE_INTEGER_FIELD (jo, \"store_cost\", sve.store_cost);\n PARSE_INTEGER_FIELD (jo, \"clast_cost\", sve.clast_cost);\n PARSE_INTEGER_FIELD (jo, \"fadda_f16_cost\", sve.fadda_f16_cost);\n PARSE_INTEGER_FIELD (jo, \"fadda_f32_cost\", sve.fadda_f32_cost);\ndiff --git a/gcc/config/aarch64/aarch64-json-tunings-parser.cc b/gcc/config/aarch64/aarch64-json-tunings-parser.cc\nindex 59c745e347e..9b7bdf535c9 100644\n--- a/gcc/config/aarch64/aarch64-json-tunings-parser.cc\n+++ b/gcc/config/aarch64/aarch64-json-tunings-parser.cc\n@@ -496,6 +496,20 @@ aarch64_load_tuning_params_from_json_string (const char *json_string,\n }\n \n parse_tunings (jo, *tune);\n+\n+ /* dispatch_constraints are not represented in JSON tunings. If the JSON\n+ sets DISPATCH_SCHED in extra_tuning_flags but the base model does not\n+ provide dispatch_constraints, clear the flag to avoid an assertion\n+ failure later. */\n+ if ((tune->extra_tuning_flags & AARCH64_EXTRA_TUNE_DISPATCH_SCHED)\n+ && tune->dispatch_constraints == nullptr)\n+ {\n+ warning (0, \"JSON tuning enables dispatch scheduling but \"\n+\t \"%<dispatch_constraints%> is not available; \"\n+\t \"disabling dispatch scheduling\");\n+ tune->extra_tuning_flags &= ~AARCH64_EXTRA_TUNE_DISPATCH_SCHED;\n+ }\n+\n return;\n }\n \ndiff --git a/gcc/config/aarch64/aarch64-json-tunings-printer-generated.inc b/gcc/config/aarch64/aarch64-json-tunings-printer-generated.inc\nindex 498be96ff33..e619a39749d 100644\n--- a/gcc/config/aarch64/aarch64-json-tunings-printer-generated.inc\n+++ b/gcc/config/aarch64/aarch64-json-tunings-printer-generated.inc\n@@ -209,6 +209,26 @@ serialize_vec_costs_sve (const T &sve)\n {\n auto sve_obj = std::make_unique<json::object> ();\n \n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"int_stmt_cost\", sve.int_stmt_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"fp_stmt_cost\", sve.fp_stmt_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"ld2_st2_permute_cost\", sve.ld2_st2_permute_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"ld3_st3_permute_cost\", sve.ld3_st3_permute_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"ld4_st4_permute_cost\", sve.ld4_st4_permute_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"permute_cost\", sve.permute_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"reduc_i8_cost\", sve.reduc_i8_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"reduc_i16_cost\", sve.reduc_i16_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"reduc_i32_cost\", sve.reduc_i32_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"reduc_i64_cost\", sve.reduc_i64_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"reduc_f16_cost\", sve.reduc_f16_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"reduc_f32_cost\", sve.reduc_f32_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"reduc_f64_cost\", sve.reduc_f64_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"store_elt_extra_cost\", sve.store_elt_extra_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"vec_to_scalar_cost\", sve.vec_to_scalar_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"scalar_to_vec_cost\", sve.scalar_to_vec_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"align_load_cost\", sve.align_load_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"unalign_load_cost\", sve.unalign_load_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"unalign_store_cost\", sve.unalign_store_cost);\n+ SERIALIZE_INTEGER_FIELD (sve_obj, \"store_cost\", sve.store_cost);\n SERIALIZE_INTEGER_FIELD (sve_obj, \"clast_cost\", sve.clast_cost);\n SERIALIZE_INTEGER_FIELD (sve_obj, \"fadda_f16_cost\", sve.fadda_f16_cost);\n SERIALIZE_INTEGER_FIELD (sve_obj, \"fadda_f32_cost\", sve.fadda_f32_cost);\n", "prefixes": [] }