{"id":2226319,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2226319/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhubwh7m90.gcc.gcc-TEST.pinskia.33.1.9@forge-stage.sourceware.org/","project":{"id":17,"url":"http://patchwork.ozlabs.org/api/1.2/projects/17/?format=json","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":"","list_archive_url":null,"date":"2026-04-22T10:49:18","name":"[v1,09/15] gimple: Canonical order for invariants","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"c9375b4a900c020a8d512a03044274e56e10bb0e","submitter":{"id":93219,"url":"http://patchwork.ozlabs.org/api/1.2/people/93219/?format=json","name":"Andrew Pinski via Sourceware Forge","email":"forge-bot+pinskia@forge-stage.sourceware.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/bmm.hhubwh7m90.gcc.gcc-TEST.pinskia.33.1.9@forge-stage.sourceware.org/mbox/","series":[{"id":500990,"url":"http://patchwork.ozlabs.org/api/1.2/series/500990/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=500990","date":"2026-04-22T10:49:12","name":"copy-prop-arg","version":1,"mbox":"http://patchwork.ozlabs.org/series/500990/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2226319/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2226319/checks/","tags":{},"related":[],"headers":{"Return-Path":"","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 spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=38.145.34.32; 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server2.sourceware.org","From":"Andrew Pinski via Sourceware Forge\n ","Date":"Wed, 22 Apr 2026 10:49:18 +0000","Subject":"[PATCH v1 09/15] gimple: Canonical order for invariants","To":"gcc-patches mailing list ","Message-ID":"\n ","X-Mailer":"batrachomyomachia","X-Pull-Request-Organization":"gcc","X-Pull-Request-Repository":"gcc-TEST","X-Pull-Request":"https://forge.sourceware.org/gcc/gcc-TEST/pulls/33","References":"\n ","In-Reply-To":"\n ","X-Patch-URL":"\n https://forge.sourceware.org/pinskia/gcc-TEST/commit/0c39013865d552d3958d5af1c6d717dbc571e475","X-BeenThere":"gcc-patches@gcc.gnu.org","X-Mailman-Version":"2.1.30","Precedence":"list","List-Id":"Gcc-patches mailing list ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Reply-To":"gcc-patches mailing list ,\n pinskia@gcc.gnu.org","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"},"content":"From: Andrew Pinski \n\nSo unlike constants, address invariants are currently put first if\nused with a SSA NAME.\nIt would be better if address invariants are consistent with constants\nand this patch changes that.\n\nBootstrapped and tested on x86_64.\n\ngcc/ChangeLog:\n\n\t* fold-const.cc (tree_swap_operands_p): Place invariants in the first operand\n\tif not used with constants.\n\nSigned-off-by: Andrew Pinski \n---\n gcc/fold-const.cc | 6 ++++++\n 1 file changed, 6 insertions(+)","diff":"diff --git a/gcc/fold-const.cc b/gcc/fold-const.cc\nindex f9f7f4d2f917..443206f85184 100644\n--- a/gcc/fold-const.cc\n+++ b/gcc/fold-const.cc\n@@ -7239,6 +7239,12 @@ tree_swap_operands_p (const_tree arg0, const_tree arg1)\n if (TREE_CONSTANT (arg0))\n return true;\n \n+ /* Put invariant address in arg1. */\n+ if (is_gimple_invariant_address (arg1))\n+ return false;\n+ if (is_gimple_invariant_address (arg0))\n+ return true;\n+\n /* It is preferable to swap two SSA_NAME to ensure a canonical form\n for commutative and comparison operators. Ensuring a canonical\n form allows the optimizers to find additional redundancies without\n","prefixes":["v1","09/15"]}