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From: "stlim0727 at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/110323] New: Code for explicit instantiation of template method of template class Date: Tue, 20 Jun 2023 15:57:22 +0000 [thread overview] Message-ID: <bug-110323-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110323 Bug ID: 110323 Summary: Code for explicit instantiation of template method of template class Product: gcc Version: 11.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: stlim0727 at gmail dot com Target Milestone: --- Code for explicit instantiation of a template method of a class is not generated with following code: $ cat > test.cpp #include <type_traits> constexpr int VAL = 1; struct foo { template <int B> void bar(typename std::conditional<B==VAL, int, float>::type arg) { } }; template void foo::bar<1>(int arg); Code is not generated for g++11 and above versions: $ g++12 -S -o- -c test.cpp .file "test.cpp" .text .section .rodata .align 4 .type _ZL3VAL, @object .size _ZL3VAL, 4 _ZL3VAL: .long 1 .ident "GCC: (GNU) 12.1.1 20220628 (Red Hat 12.1.1-3)" .section .note.GNU-stack,"",@progbits However, the code is generated if I replace "B==VAL" with "B==1" or if I use g++10 and below versions: $ g++8 -S -o- -c test.cpp .file "test.cpp" .text .section .rodata .align 4 .type _ZL3VAL, @object .size _ZL3VAL, 4 _ZL3VAL: .long 1 .section .text._ZN3foo3barILi1EEEvNSt11conditionalIXeqT_L_ZL3VALEEifE4typeE,"axG",@progbits,_ZN3foo3barILi1EEEvNSt11conditionalIXeqT_L_ZL3VALEEifE4typeE,comdat .align 2 .weak _ZN3foo3barILi1EEEvNSt11conditionalIXeqT_L_ZL3VALEEifE4typeE .type _ZN3foo3barILi1EEEvNSt11conditionalIXeqT_L_ZL3VALEEifE4typeE, @function _ZN3foo3barILi1EEEvNSt11conditionalIXeqT_L_ZL3VALEEifE4typeE: .LFB9: .cfi_startproc pushq %rbp .cfi_def_cfa_offset 16 .cfi_offset 6, -16 movq %rsp, %rbp .cfi_def_cfa_register 6 movq %rdi, -8(%rbp) movl %esi, -12(%rbp) nop popq %rbp .cfi_def_cfa 7, 8 ret .cfi_endproc .LFE9: .size _ZN3foo3barILi1EEEvNSt11conditionalIXeqT_L_ZL3VALEEifE4typeE, .-_ZN3foo3barILi1EEEvNSt11conditionalIXeqT_L_ZL3VALEEifE4typeE .ident "GCC: (GNU) 8.5.0 20210514 (Red Hat 8.5.0-18)" .section .note.GNU-stack,"",@progbits
next reply other threads:[~2023-06-20 15:57 UTC|newest] Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-06-20 15:57 stlim0727 at gmail dot com [this message] 2023-06-20 16:12 ` [Bug c++/110323] [11/12/13/14 Regression] Code for explicit instantiation of template method of template class not generated pinskia at gcc dot gnu.org 2024-03-05 20:47 ` mpolacek at gcc dot gnu.org 2024-03-05 20:49 ` mpolacek at gcc dot gnu.org 2024-03-05 21:39 ` mpolacek at gcc dot gnu.org 2024-03-05 22:56 ` mpolacek at gcc dot gnu.org 2024-03-06 14:53 ` mpolacek at gcc dot gnu.org 2024-03-07 15:23 ` mpolacek at gcc dot gnu.org 2024-03-08 17:25 ` ppalka at gcc dot gnu.org 2024-03-08 17:43 ` mpolacek at gcc dot gnu.org 2024-03-08 17:47 ` mpolacek at gcc dot gnu.org 2024-03-21 17:54 ` cvs-commit at gcc dot gnu.org 2024-03-21 17:55 ` [Bug c++/110323] [11/12/13 " mpolacek at gcc dot gnu.org
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