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GET /api/1.1/patches/2229789/?format=api
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{
    "id": 2229789,
    "url": "http://patchwork.ozlabs.org/api/1.1/patches/2229789/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/gcc/patch/c7d60a5e-a869-4d04-adbc-119da9f5567c@redhat.com/",
    "project": {
        "id": 17,
        "url": "http://patchwork.ozlabs.org/api/1.1/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
    },
    "msgid": "<c7d60a5e-a869-4d04-adbc-119da9f5567c@redhat.com>",
    "date": "2026-04-28T18:10:49",
    "name": "[pushed,LRA] : Fix mode of subreg of const in the const pool",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "44ad98965a95d7933a8c8ae7a3af75a5dd1cc1ed",
    "submitter": {
        "id": 4455,
        "url": "http://patchwork.ozlabs.org/api/1.1/people/4455/?format=api",
        "name": "Vladimir Makarov",
        "email": "vmakarov@redhat.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/gcc/patch/c7d60a5e-a869-4d04-adbc-119da9f5567c@redhat.com/mbox/",
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            "url": "http://patchwork.ozlabs.org/api/1.1/series/501919/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/gcc/list/?series=501919",
            "date": "2026-04-28T18:10:49",
            "name": "[pushed,LRA] : Fix mode of subreg of const in the const pool",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/501919/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2229789/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2229789/checks/",
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        ],
        "Message-ID": "<c7d60a5e-a869-4d04-adbc-119da9f5567c@redhat.com>",
        "Date": "Tue, 28 Apr 2026 14:10:49 -0400",
        "MIME-Version": "1.0",
        "User-Agent": "Mozilla Thunderbird",
        "From": "Vladimir Makarov <vmakarov@redhat.com>",
        "Subject": "[pushed][LRA]: Fix mode of subreg of const in the const pool",
        "To": "\"gcc-patches@gcc.gnu.org\" <gcc-patches@gcc.gnu.org>",
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    },
    "content": "The patch fixes a bug described in the log message.\n\nThe patch was successfully bootstrapped and tested on x86_64, aarch64, \nand ppc64le.",
    "diff": "commit db0378b33004e099b88e455c5935863c4b52c80e\nAuthor: Vladimir N. Makarov <vmakarov@redhat.com>\nDate:   Tue Apr 28 08:51:13 2026 -0400\n\n    [LRA]: Fix mode of subreg of const in the const pool\n    \n    When LRA puts a constant which is part of subreg, it uses wrong mode for\n    subreg of the pool memory.  The patch fixes this.\n    \n    gcc/ChangeLog:\n    \n            * lra-constraints.cc (curr_insn_transform): When recreating subreg\n            of a const put in pool, use the original subreg mode.\n\ndiff --git a/gcc/lra-constraints.cc b/gcc/lra-constraints.cc\nindex 9a400c21b7e..d6056cf7acc 100644\n--- a/gcc/lra-constraints.cc\n+++ b/gcc/lra-constraints.cc\n@@ -4715,7 +4715,7 @@ curr_insn_transform (bool check_only_p)\n \tchar c;\n \trtx op = *curr_id->operand_loc[i];\n \trtx subreg = NULL_RTX;\n-\tmachine_mode mode = curr_operand_mode[i];\n+\tmachine_mode op_mode = curr_operand_mode[i], mode = op_mode;\n \n \tif (GET_CODE (op) == SUBREG)\n \t  {\n@@ -4733,7 +4733,7 @@ curr_insn_transform (bool check_only_p)\n \n \t    change_p = true;\n \t    if (subreg != NULL_RTX)\n-\t      tem = gen_rtx_SUBREG (mode, tem, SUBREG_BYTE (subreg));\n+\t      tem = gen_rtx_SUBREG (op_mode, tem, SUBREG_BYTE (subreg));\n \n \t    *curr_id->operand_loc[i] = tem;\n \t    lra_update_dup (curr_id, i);\n",
    "prefixes": [
        "pushed",
        "LRA"
    ]
}