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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/114415] [13 Regression] wrong code with -Oz -fno-dce -fno-forward-propagate -flive-range-shrinkage -fweb since r13-1826 Date: Thu, 09 May 2024 16:42:34 +0000 [thread overview] Message-ID: <bug-114415-4-KlCSMh7BCO@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-114415-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114415 --- Comment #12 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-13 branch has been updated by Vladimir Makarov <vmakarov@gcc.gnu.org>: https://gcc.gnu.org/g:e30211cb0b3a2b88959e9bc40626a17461de52de commit r13-8740-ge30211cb0b3a2b88959e9bc40626a17461de52de Author: Vladimir N. Makarov <vmakarov@redhat.com> Date: Thu Apr 4 16:04:04 2024 -0400 [PR114415][scheduler]: Fixing wrong code generation For the test case, the insn scheduler (working for live range shrinkage) moves insns modifying stack memory before an insn reserving the stack memory. Comments in the patch contains more details about the problem and its solution. gcc/ChangeLog: PR rtl-optimization/114415 * sched-deps.cc (add_insn_mem_dependence): Add memory check for mem argument. (sched_analyze_1): Treat stack pointer modification as memory read. (sched_analyze_2, sched_analyze_insn): Add memory guard for processing pending_read_mems. * sched-int.h (deps_desc): Add comment to pending_read_mems. gcc/testsuite/ChangeLog: PR rtl-optimization/114415 * gcc.target/i386/pr114415.c: New test.
next prev parent reply other threads:[~2024-05-09 16:42 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-03-21 12:52 [Bug target/114415] New: wrong code with -Oz -fno-dce -fno-forward-propagate -flive-range-shrinkage -fweb zsojka at seznam dot cz 2024-03-25 14:43 ` [Bug target/114415] [13/14 Regression] wrong code with -Oz -fno-dce -fno-forward-propagate -flive-range-shrinkage -fweb since r13-1826 jakub at gcc dot gnu.org 2024-03-25 16:59 ` jakub at gcc dot gnu.org 2024-03-25 17:15 ` jakub at gcc dot gnu.org 2024-03-29 23:49 ` law at gcc dot gnu.org 2024-04-03 16:28 ` vmakarov at gcc dot gnu.org 2024-04-04 11:32 ` vmakarov at gcc dot gnu.org 2024-04-04 20:07 ` [Bug rtl-optimization/114415] " cvs-commit at gcc dot gnu.org 2024-04-05 4:10 ` [Bug rtl-optimization/114415] [13 " law at gcc dot gnu.org 2024-04-06 12:01 ` ebotcazou at gcc dot gnu.org 2024-04-06 17:35 ` law at gcc dot gnu.org 2024-05-08 12:28 ` rguenth at gcc dot gnu.org 2024-05-09 10:04 ` jakub at gcc dot gnu.org 2024-05-09 15:40 ` vmakarov at gcc dot gnu.org 2024-05-09 16:42 ` cvs-commit at gcc dot gnu.org [this message] 2024-05-09 19:06 ` jakub at gcc dot gnu.org
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