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GET /api/1.2/patches/2224737/?format=api
{ "id": 2224737, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2224737/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/6ca95d56-a962-d2ab-f9d3-87ed9b160d9b@e124511.cambridge.arm.com/", "project": { "id": 17, "url": "http://patchwork.ozlabs.org/api/1.2/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": "<6ca95d56-a962-d2ab-f9d3-87ed9b160d9b@e124511.cambridge.arm.com>", "list_archive_url": null, "date": "2026-04-18T00:31:48", "name": "[7/7] Output mode switching transitions to dump file", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "29eb9bc999e02d46c43896738007dcbbb2193412", "submitter": { "id": 90594, "url": "http://patchwork.ozlabs.org/api/1.2/people/90594/?format=api", "name": "Alice Carlotti", "email": "alice.carlotti@arm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/6ca95d56-a962-d2ab-f9d3-87ed9b160d9b@e124511.cambridge.arm.com/mbox/", "series": [ { "id": 500413, "url": "http://patchwork.ozlabs.org/api/1.2/series/500413/?format=api", "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=500413", "date": "2026-04-18T00:27:05", "name": "aarch64: SME ZA/ZT0 fixes", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/500413/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2224737/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2224737/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 (1024-bit key;\n unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256\n header.s=selector1 header.b=ioBqNFqR;\n\tdkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com\n header.a=rsa-sha256 header.s=selector1 header.b=ioBqNFqR;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=38.145.34.32; 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Ip=[4.158.2.129];\n Helo=[outbound-uk1.az.dlp.m.darktrace.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n AMS1EPF0000004E.eurprd04.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "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": "gcc/ChangeLog:\n\n\t* mode-switching.cc (optimize_mode_switching): Add dump output.", "diff": "diff --git a/gcc/mode-switching.cc b/gcc/mode-switching.cc\nindex d5bbecf747a47162e261d00a12dbd0ecead2ecd2..60f0e9d986eaef88294a3fe0c584bb4be8c757aa 100644\n--- a/gcc/mode-switching.cc\n+++ b/gcc/mode-switching.cc\n@@ -1109,6 +1109,9 @@ optimize_mode_switching (void)\n bitmap_clear (jumping_blocks);\n for (j = n_entities - 1; j >= 0; j--)\n {\n+ if (dump_file)\n+\tfprintf (dump_file, \"Mode switching transitions for entity %d:\\n\", j);\n+\n int no_mode = num_modes[entity_map[j]];\n struct bb_info *info = bb_info[j];\n \n@@ -1213,6 +1216,11 @@ optimize_mode_switching (void)\n \t\t\t\t\t cur_mode, ptr->regs_live);\n \t\t mode_set = end_sequence ();\n \n+\t\t if (dump_file)\n+\t\t fprintf(dump_file,\n+\t\t\t \"Transition %d --> %d at instruction %d.\\n\",\n+\t\t\t cur_mode, ptr->mode, INSN_UID (ptr->insn_ptr));\n+\n \t\t /* Insert MODE_SET only if it is nonempty. */\n \t\t if (mode_set != NULL_RTX)\n \t\t {\n", "prefixes": [ "7/7" ] }