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From: "hiraditya at msn dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/107063] New: [X86_64 codegen] Using inc eax instead of inc dword ptr Date: Tue, 27 Sep 2022 23:30:07 +0000 [thread overview] Message-ID: <bug-107063-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107063 Bug ID: 107063 Summary: [X86_64 codegen] Using inc eax instead of inc dword ptr Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: hiraditya at msn dot com Target Milestone: --- int volatile gv = 0; void foo() { ++gv; } $ gcc -Os foo(): mov eax, DWORD PTR gv[rip] inc eax mov DWORD PTR gv[rip], eax ret gv: .zero 4 $ clang -Os foo(): # @foo() inc dword ptr [rip + gv] ret gv: .long 0 https://godbolt.org/z/vzq4jr5vj
next reply other threads:[~2022-09-27 23:30 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-09-27 23:30 hiraditya at msn dot com [this message] 2022-09-27 23:37 ` [Bug rtl-optimization/107063] " pinskia at gcc dot gnu.org
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