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GET /api/patches/2219556/?format=api
{ "id": 2219556, "url": "http://patchwork.ozlabs.org/api/patches/2219556/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/20260403111758.3755791-1-michiel@synopsys.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": "<20260403111758.3755791-1-michiel@synopsys.com>", "list_archive_url": null, "date": "2026-04-03T11:17:58", "name": "RISC-V: Omit ghost from the pipeline-checker output", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "cb9a95f5d86a3d9cad470b9e36f5f85a13b11dcc", "submitter": { "id": 93030, "url": "http://patchwork.ozlabs.org/api/people/93030/?format=api", "name": "Michiel Derhaeg", "email": "Michiel.Derhaeg@synopsys.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/20260403111758.3755791-1-michiel@synopsys.com/mbox/", "series": [ { "id": 498618, "url": "http://patchwork.ozlabs.org/api/series/498618/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=498618", "date": "2026-04-03T11:17:58", "name": "RISC-V: Omit ghost from the pipeline-checker output", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498618/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2219556/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2219556/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": [ 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h=From:To:Cc:Subject:Date:From;\n b=hP+8HWkqxNZLosERs5cp05rVrg1bCLw+HsYk22qTEgnu4c+0FATmNuiuCL7ByXtqs\n 9nVL1V/4Fa1s8PVqI/+yjEofgiXxY3SxhOuLrEj4YPAtpaqv5E134tN1cc1PcOtOKD\n jQQTXhl+K7mCLNoF3ZxRVyU6m23kybIFvboGS5R0hy9lVzySEHMLShl0XRCvsz6gwS\n pdUGElqZqSFWJi5gqV5Gxf2QlrLYCG2xDCKtQ4kYunjVaNk5Tsps1AIzLpBrYYcQSx\n HJYdrrPqY0sqeaEE0HdY1nsbqShTit8kjqui2qd/jerg4Pp+SVjbvwCUf+6PmjkeUp\n 7Xozn/5I+ccWw==" ], "X-SNPS-Relay": "synopsys.com", "From": "Michiel Derhaeg <Michiel.Derhaeg@synopsys.com>", "To": "kito.cheng@sifive.com", "Cc": "gcc-patches@gcc.gnu.org, Michiel Derhaeg <Michiel.Derhaeg@synopsys.com>", "Subject": "[PATCH] RISC-V: Omit ghost from the pipeline-checker output", "Date": "Fri, 3 Apr 2026 04:17:58 -0700", "Message-Id": "<20260403111758.3755791-1-michiel@synopsys.com>", "X-Mailer": "git-send-email 2.37.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Proofpoint-GUID": "3Nc0owQRGeFMQJL7g0jrR12cAVyq2OLp", "X-Proofpoint-ORIG-GUID": "3Nc0owQRGeFMQJL7g0jrR12cAVyq2OLp", 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engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-03_03,2026-04-03_01,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_active_cloned_notspam\n policy=outbound_active_cloned score=0 clxscore=1011 malwarescore=0\n priorityscore=1501 suspectscore=0 spamscore=0 lowpriorityscore=0 adultscore=0\n bulkscore=0 impostorscore=0 phishscore=0 classifier=typeunknown authscore=0\n authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1\n engine=8.22.0-2603050001 definitions=main-2604030100", "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": "I noticed some pipelines erroneously provide reservations for ghost.\nLikely because the pipeline-checker will report it as missing.\n\nThis patch filters out all default reservations (only ghost now) from\nriscv.md.\n\ngcc/ChangeLog:\n\n * config/riscv/pipeline-checker: Filter tuneless insn types.\n\nSigned-off-by: Michiel Derhaeg <michiel@synopsys.com>\n---\n gcc/config/riscv/pipeline-checker | 21 +++++++++++++++++----\n 1 file changed, 17 insertions(+), 4 deletions(-)", "diff": "diff --git a/gcc/config/riscv/pipeline-checker b/gcc/config/riscv/pipeline-checker\nindex c5694b84ca8..0236d3d6496 100755\n--- a/gcc/config/riscv/pipeline-checker\n+++ b/gcc/config/riscv/pipeline-checker\n@@ -23,7 +23,7 @@ import re\n import sys\n import argparse\n from pathlib import Path\n-from typing import List\n+from typing import Any, List\n import pprint\n \n def remove_line_comments(text: str) -> str:\n@@ -141,15 +141,24 @@ def get_consumed_type(entry: List[str]) -> set:\n return parsing_str_set(entry[2])\n return set()\n \n-def check_pipemodel(md_file_path: str):\n+def has_tune_attr(entry: Any) -> bool:\n+ # Check if an expression tree contains (eq_attr \"tune\" ...).\n+ if isinstance(entry, list):\n+ if len(entry) >= 2 and entry[0] == 'eq_attr' and entry[1] == 'tune':\n+ return True\n+ return any(has_tune_attr(elem) for elem in entry)\n+ return False\n+\n+def check_pipemodel(md_file_path: str, tuneless_only: bool = False) -> set[str]:\n # Load the RISCV MD file and check for pipemodel\n ast = parse_md_file(Path(md_file_path))\n \n consumed_type = set()\n \n for entry in ast:\n- entry_type = entry[0]\n- if entry_type not in [\"define_insn_reservation\"]:\n+ if entry[0] != \"define_insn_reservation\":\n+ continue\n+ if tuneless_only and has_tune_attr(entry[3]):\n continue\n consumed_type |= get_consumed_type(entry[3])\n return consumed_type\n@@ -173,11 +182,15 @@ def main():\n else:\n base_md_path = Path(args.base_md)\n avaliable_types = get_avaliable_types(str(base_md_path))\n+ tuneless_types = check_pipemodel(str(base_md_path), tuneless_only=True)\n consumed_type = check_pipemodel(args.pipeline_model)\n \n if args.verbose:\n print(\"Available types:\\n\", avaliable_types)\n print(\"Consumed types:\\n\", consumed_type)\n+ print(\"Tune-independent types:\\n\", tuneless_types)\n+\n+ avaliable_types -= tuneless_types\n \n if not avaliable_types.issubset(consumed_type):\n print(\"Error: Some types are not consumed by the pipemodel\")\n", "prefixes": [] }