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GET /api/1.2/patches/2221482/?format=api
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{
    "id": 2221482,
    "url": "http://patchwork.ozlabs.org/api/1.2/patches/2221482/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/20260409133712.64E894BA2E19@sourceware.org/",
    "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,
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        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20260409133712.64E894BA2E19@sourceware.org>",
    "list_archive_url": null,
    "date": "2026-04-09T13:36:44",
    "name": "[1/2] SLP pattern TLC",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "af11b71d2ef40ac198141f021921b4845722fbca",
    "submitter": {
        "id": 4338,
        "url": "http://patchwork.ozlabs.org/api/1.2/people/4338/?format=api",
        "name": "Richard Biener",
        "email": "rguenther@suse.de"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/20260409133712.64E894BA2E19@sourceware.org/mbox/",
    "series": [
        {
            "id": 499304,
            "url": "http://patchwork.ozlabs.org/api/1.2/series/499304/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=499304",
            "date": "2026-04-09T13:36:44",
            "name": "[1/2] SLP pattern TLC",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/499304/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2221482/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2221482/checks/",
    "tags": {},
    "related": [],
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        ],
        "Date": "Thu, 9 Apr 2026 15:36:44 +0200 (CEST)",
        "From": "Richard Biener <rguenther@suse.de>",
        "To": "gcc-patches@gcc.gnu.org",
        "Subject": "[PATCH 1/2] SLP pattern TLC",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=US-ASCII",
        "X-Spamd-Result": "default: False [-1.80 / 50.00]; BAYES_HAM(-3.00)[100.00%];\n MISSING_MID(2.50)[]; NEURAL_HAM_LONG(-1.00)[-0.998];\n NEURAL_HAM_SHORT(-0.20)[-0.984]; MIME_GOOD(-0.10)[text/plain];\n TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_ONE(0.00)[1];\n MISSING_XM_UA(0.00)[]; FROM_EQ_ENVFROM(0.00)[];\n TO_DN_NONE(0.00)[]; ARC_NA(0.00)[]; RCVD_COUNT_ZERO(0.00)[0];\n FUZZY_RATELIMITED(0.00)[rspamd.com];\n DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519];\n MIME_TRACE(0.00)[0:+]; FROM_HAS_DN(0.00)[]",
        "X-BeenThere": "gcc-patches@gcc.gnu.org",
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        "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>",
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        "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org",
        "Message-Id": "<20260409133712.64E894BA2E19@sourceware.org>"
    },
    "content": "The following removes setting of STMT_VINFO_REDUC_DEF on pattern\nstmts - those are only ever checked on original scalar stmts now.\nBut for that to work we have to make the related stmt of the new\nSLP pattern stmts the original stmt of a possible pattern.\n\nThe only valid SLP_TREE_CODE are VEC_PERM_EXPR and ERROR_MARK,\ndo not set it to CALL_EXPR.\n\nBootstrapped on x86_64-unknown-linux-gnu, testing in progress.\n\nQueued for stage1.\n\n\t* tree-vect-slp-patterns.cc (complex_pattern::build):\n\tAdd pattern for the original stmt, do not set\n\tSTMT_VINFO_REDUC_DEF.\n\t(addsub_pattern::build): Likewise.\n---\n gcc/tree-vect-slp-patterns.cc | 15 ++++++---------\n 1 file changed, 6 insertions(+), 9 deletions(-)",
    "diff": "diff --git a/gcc/tree-vect-slp-patterns.cc b/gcc/tree-vect-slp-patterns.cc\nindex 0976258a36d..ab4a42d1964 100644\n--- a/gcc/tree-vect-slp-patterns.cc\n+++ b/gcc/tree-vect-slp-patterns.cc\n@@ -549,8 +549,6 @@ complex_pattern::build (vec_info *vinfo)\n     {\n       /* Calculate the location of the statement in NODE to replace.  */\n       stmt_info = SLP_TREE_REPRESENTATIVE (node);\n-      stmt_vec_info reduc_def\n-\t= STMT_VINFO_REDUC_DEF (vect_orig_stmt (stmt_info));\n       gimple* old_stmt = STMT_VINFO_STMT (stmt_info);\n       tree lhs_old_stmt = gimple_get_lhs (old_stmt);\n       tree type = TREE_TYPE (lhs_old_stmt);\n@@ -572,13 +570,12 @@ complex_pattern::build (vec_info *vinfo)\n \t the nodes as such we need to manually update them.  Any changes will be\n \t undone if SLP is cancelled.  */\n       call_stmt_info\n-\t= vinfo->add_pattern_stmt (call_stmt, stmt_info);\n+\t= vinfo->add_pattern_stmt (call_stmt, vect_orig_stmt (stmt_info));\n \n       /* Make sure to mark the representative statement pure_slp and\n \t relevant and transfer reduction info. */\n       STMT_VINFO_RELEVANT (call_stmt_info) = vect_used_in_scope;\n       STMT_SLP_TYPE (call_stmt_info) = pure_slp;\n-      STMT_VINFO_REDUC_DEF (call_stmt_info) = reduc_def;\n \n       gimple_set_bb (call_stmt, gimple_bb (stmt_info->stmt));\n       STMT_VINFO_VECTYPE (call_stmt_info) = SLP_TREE_VECTYPE (node);\n@@ -589,7 +586,7 @@ complex_pattern::build (vec_info *vinfo)\n \t is created.  */\n       SLP_TREE_REPRESENTATIVE (node) = call_stmt_info;\n       SLP_TREE_LANE_PERMUTATION (node).release ();\n-      SLP_TREE_CODE (node) = CALL_EXPR;\n+      SLP_TREE_CODE (node) = ERROR_MARK;\n     }\n }\n \n@@ -1622,13 +1619,13 @@ addsub_pattern::build (vec_info *vinfo)\n \t\t\t     (TREE_TYPE (gimple_assign_lhs (rep->stmt))));\n \tgimple_call_set_nothrow (call, true);\n \tgimple_set_bb (call, gimple_bb (rep->stmt));\n-\tstmt_vec_info new_rep = vinfo->add_pattern_stmt (call, rep);\n+\tstmt_vec_info new_rep\n+\t  = vinfo->add_pattern_stmt (call, vect_orig_stmt (rep));\n \tSLP_TREE_REPRESENTATIVE (node) = new_rep;\n \tSTMT_VINFO_RELEVANT (new_rep) = vect_used_in_scope;\n \tSTMT_SLP_TYPE (new_rep) = pure_slp;\n \tSTMT_VINFO_VECTYPE (new_rep) = SLP_TREE_VECTYPE (node);\n \tSTMT_VINFO_SLP_VECT_ONLY_PATTERN (new_rep) = true;\n-\tSTMT_VINFO_REDUC_DEF (new_rep) = STMT_VINFO_REDUC_DEF (vect_orig_stmt (rep));\n \tSLP_TREE_CODE (node) = ERROR_MARK;\n \tSLP_TREE_LANE_PERMUTATION (node).release ();\n \n@@ -1688,13 +1685,13 @@ addsub_pattern::build (vec_info *vinfo)\n \t\t\t     (TREE_TYPE (gimple_get_lhs (srep->stmt))));\n \tgimple_call_set_nothrow (call, true);\n \tgimple_set_bb (call, gimple_bb (srep->stmt));\n-\tstmt_vec_info new_rep = vinfo->add_pattern_stmt (call, srep);\n+\tstmt_vec_info new_rep\n+\t  = vinfo->add_pattern_stmt (call, vect_orig_stmt (srep));\n \tSLP_TREE_REPRESENTATIVE (node) = new_rep;\n \tSTMT_VINFO_RELEVANT (new_rep) = vect_used_in_scope;\n \tSTMT_SLP_TYPE (new_rep) = pure_slp;\n \tSTMT_VINFO_VECTYPE (new_rep) = SLP_TREE_VECTYPE (node);\n \tSTMT_VINFO_SLP_VECT_ONLY_PATTERN (new_rep) = true;\n-\tSTMT_VINFO_REDUC_DEF (new_rep) = STMT_VINFO_REDUC_DEF (vect_orig_stmt (srep));\n \tSLP_TREE_CODE (node) = ERROR_MARK;\n \tSLP_TREE_LANE_PERMUTATION (node).release ();\n \n",
    "prefixes": [
        "1/2"
    ]
}