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2022-03-04Darwin: Fix a type mismatch warning for a non-GCC bootstrap compiler.Iain Sandoe1-1/+1
DECL_MD_FUNCTION_CODE() returns an int, on one particular compiler the code in darwin_fold_builtin() triggers a warning. Fixed thus. Signed-off-by: Iain Sandoe <iain@sandoe.co.uk> gcc/ChangeLog: * config/darwin.cc (darwin_fold_builtin): Make fcode an int to avoid a mismatch with DECL_MD_FUNCTION_CODE().
2022-03-04Darwin, libgcc: Fix build errors on powerpc-darwin8.Iain Sandoe2-3/+3
PowerPC Darwin8 is the last version to use an unwind frame fallback routine. This had been omitted from the new shared EH library, along with one more header dependency that only fires there. Signed-off-by: Iain Sandoe <iain@sandoe.co.uk> libgcc/ChangeLog: * config/rs6000/t-darwin-ehs: Add darwin-fallback.o. * config/t-darwin-ehs: Add dependency on unwind.h.
2022-03-04c++: Add testcase for already fixed PR [PR103443]Patrick Palka1-0/+20
Fixed by r12-7264. PR c++/103443 gcc/testsuite/ChangeLog: * g++.dg/cpp2a/consteval29.C: New test.
2022-03-04c++: New module mangling ABINathan Sidwell31-136/+153
This implements a new module mangling ABI as the original one has a few issues: a) it was not demangleable (oops) b) implemented a weak ownership model. This implements a strong ownership model, so that exported entities from named modules are mangled to include their module attachment. This gives more informative linker diagnostics and better module isolation. Weak ownership was hoped to allow backwards compatibility with non-modular code, but in practice was very brittle, and C++20 added new semantics for linkage declarations that cover the needed functionality. FAOD Clang is also moving to this ABI and documentation will be added to the Itanium ABI specification. gcc/cp/ * cp-tree.h (mangle_identifier): Replace with ... (mangle_module_component): ... this. * mangle.cc (dump_substitution_candidates): Adjust. (add_substitution): Likewise. (find_substitution): Likewise. (unmangled_name_p): Likewise. (mangle_module_substitution): Reimplement. (mangle_module_component): New. (write_module, maybe_write_module): Adjust. (write_name): Drop modules here. (write_unqualified): Do them here instead. (mangle_global_init): Adjust. * module.cc (module_state::mangle): Adjust. (mangle_module): Likewise. (get_originating_module): Adjust. gcc/testsuite/ * g++.dg/modules/fn-inline-1_b.C: Adjust. * g++.dg/modules/fn-inline-1_c.C: Adjust. * g++.dg/modules/imp-inline-1_a.C: Adjust. * g++.dg/modules/imp-inline-1_b.C: Adjust. * g++.dg/modules/init-2_a.C: Adjust. * g++.dg/modules/init-2_b.C: Adjust. * g++.dg/modules/init-2_c.C: Adjust. * g++.dg/modules/member-def-2_d.C: Adjust. * g++.dg/modules/mod-sym-1.C: Adjust. * g++.dg/modules/mod-sym-2.C: Adjust. * g++.dg/modules/mod-sym-3.C: Adjust. * g++.dg/modules/sym-subst-1.C: Adjust. * g++.dg/modules/sym-subst-2_b.C: Adjust. * g++.dg/modules/sym-subst-3_a.C: Adjust. * g++.dg/modules/sym-subst-3_b.C: Adjust. * g++.dg/modules/sym-subst-4.C: Adjust. * g++.dg/modules/sym-subst-5.C: Adjust. * g++.dg/modules/sym-subst-6.C: Adjust. * g++.dg/modules/tpl-spec-1_a.C: Adjust. * g++.dg/modules/tpl-spec-2_b.C: Adjust. * g++.dg/modules/tpl-spec-2_d.C: Adjust. * g++.dg/modules/tpl-spec-3_a.C: Adjust. * g++.dg/modules/virt-1_a.C: Adjust. * g++.dg/modules/virt-2_a.C: Adjust. * g++.dg/modules/virt-2_b.C: Adjust. * g++.dg/modules/virt-2_c.C: Adjust. * g++.dg/modules/vtt-1_a.C: Adjust. * g++.dg/modules/vtt-1_b.C: Adjust.
2022-03-04LRA, rs6000, Darwin: Revise lo_sum use for forced constants [PR104117].Iain Sandoe4-7/+45
Follow up discussion to the initial patch for this PR identified that it is preferable to avoid the LRA change, and arrange for the target to reject the hi and lo_sum selections when presented with an invalid address. We split the Darwin high/low selectors into two: 1. One that handles non-PIC addresses (kernel mode, mdynamic-no-pic). 2. One that handles PIC addresses and rejects SYMBOL_REFs unless they are suitably wrapped in the MACHOPIC_OFFSET unspec. The second case is handled by providing a new predicate (macho_pic_address) that checks the requirements. Signed-off-by: Iain Sandoe <iain@sandoe.co.uk> PR target/104117 gcc/ChangeLog: * config/rs6000/darwin.md (@machopic_high_<mode>): New. (@machopic_low_<mode>): New. * config/rs6000/predicates.md (macho_pic_address): New. * config/rs6000/rs6000.cc (rs6000_legitimize_address): Do not apply the TLS processing to Darwin. * lra-constraints.cc (process_address_1): Revert the changes in r12-7209.
2022-03-04rs6000: Allow -mlong-double-64 after -mabi={ibm,ieee}longdouble [PR104208, ↵Peter Bergner6-11/+33
PR87496] The glibc build is showing a build error due to extra "error" checking from my PR87496 fix. That checking was overeager, disallowing setting the long double size to 64-bits if the 128-bit long double ABI had already been specified. Now we only emit an error if we specify a 128-bit long double ABI if our long double size is not 128 bits. This also fixes an erroneous error when -mabi=ieeelongdouble is used and ISA 2.06 is not enabled, but the long double size has been changed to 64 bits. 2022-03-04 Peter Bergner <bergner@linux.ibm.com> gcc/ PR target/87496 PR target/104208 * config/rs6000/rs6000.cc (rs6000_option_override_internal): Make the ISA 2.06 requirement for -mabi=ieeelongdouble conditional on -mlong-double-128. Move the -mabi=ieeelongdouble and -mabi=ibmlongdouble error checking from here... * common/config/rs6000/rs6000-common.cc (rs6000_handle_option): ... to here. gcc/testsuite/ PR target/87496 PR target/104208 * gcc.target/powerpc/pr104208-1.c: New test. * gcc.target/powerpc/pr104208-2.c: Likewise. * gcc.target/powerpc/pr87496-2.c: Swap long double options to trigger the expected error. * gcc.target/powerpc/pr87496-3.c: Likewise.
2022-03-04Test 'libgomp.oacc-*/kernels-private-vars-*' with ↵Thomas Schwinge33-99/+361
'--param=openacc-kernels=decompose' [PR104784] Before recent commit 8935589b496f755e08cadf26d8ceddf0dd6e0968 "OMP lowering: Regimplify 'OMP_CLAUSE_MAP_DECL_MAKE_ADDRESSABLE' DECLs [PR100280, PR104132, PR104133]", 'libgomp.oacc-c' testing already worked fine, but 'libgomp.oacc-c++' testing ICEed. Via the commit mentioned, the C++ testing ICEs are now resolved, but the underlying issue remains to be looked into: PR104784 "OpenACC 'kernels' decomposition: C vs. C++ differences". PR middle-end/104784 libgomp/ * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-local-worker-1.c: Test with '--param=openacc-kernels=decompose'. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-local-worker-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-local-worker-3.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-local-worker-4.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-local-worker-5.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-gang-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-gang-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-gang-3.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-gang-4.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-gang-5.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-gang-6.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-vector-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-vector-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-worker-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-worker-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-worker-3.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-worker-4.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-worker-5.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-worker-6.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-worker-7.c: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-gang-1.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-gang-2.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-gang-3.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-gang-6.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-vector-1.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-vector-2.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-worker-1.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-worker-2.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-worker-3.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-worker-4.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-worker-5.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-worker-6.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-worker-7.f90: Likewise.
2022-03-04gimplify: Clear TREE_READONLY on automatic vars being stored into [PR104529]Jakub Jelinek2-0/+31
The following testcase regressed when SRA started punting on stores to TREE_READONLY vars. We document that: "In a VAR_DECL, PARM_DECL or FIELD_DECL, or any kind of ..._REF node, nonzero means it may not be the lhs of an assignment." so the SRA change looks desirable. On the other side, at least in this testcase the TREE_READONLY is set there intentionally from the PR85873 fix, because gimplify_init_constructor itself uses TREE_READONLY on the object to determine if it can perform promotion to static const or not. So, similarly to other spots in the gimplifier where we also clear TREE_READONLY when we emit IL that stores into the object, this does the same in gimplify_init_constructor, but in the way so that the TREE_READONLY test for the promotion to static const keeps working and doesn't change anything for notify_temp_creation mode, which doesn't emit any IL, just tests if it would need a temporary or not. This keeps PR85873 testcase working as before and fixes this regression. 2022-03-04 Jakub Jelinek <jakub@redhat.com> PR middle-end/104529 * gimplify.cc (gimplify_init_constructor): Clear TREE_READONLY on automatic objects which will be runtime initialized. * g++.dg/tree-ssa/pr104529.C: New test.
2022-03-04Test '-fopt-info-omp-all' in 'libgomp.oacc-*/kernels-private-vars-*'Thomas Schwinge33-514/+811
libgomp/ * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-local-worker-1.c: Test '-fopt-info-omp-all'. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-local-worker-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-local-worker-3.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-local-worker-4.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-local-worker-5.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-gang-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-gang-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-gang-3.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-gang-4.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-gang-5.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-gang-6.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-vector-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-vector-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-worker-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-worker-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-worker-3.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-worker-4.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-worker-5.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-worker-6.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-worker-7.c: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-gang-1.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-gang-2.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-gang-3.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-gang-6.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-vector-1.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-vector-2.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-worker-1.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-worker-2.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-worker-3.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-worker-4.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-worker-5.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-worker-6.f90: Likewise. * testsuite/libgomp.oacc-fortran/kernels-private-vars-loop-worker-7.f90: Likewise.
2022-03-04OMP lowering: Regimplify 'OMP_CLAUSE_MAP_DECL_MAKE_ADDRESSABLE' DECLs ↵Thomas Schwinge6-60/+95
[PR100280, PR104132, PR104133] ... by generalizing the existing 'gcc/omp-low.cc:task_shared_vars'. Fix-up for commit 9b32c1669aad5459dd053424f9967011348add83 "OpenACC 'kernels' decomposition: Mark variables used in synthesized data clauses as addressable [PR100280]". PR middle-end/100280 PR middle-end/104132 PR middle-end/104133 gcc/ * omp-low.cc (task_shared_vars): Rename to 'make_addressable_vars'. Adjust all users. (scan_sharing_clauses) <OMP_CLAUSE_MAP> Use it for 'OMP_CLAUSE_MAP_DECL_MAKE_ADDRESSABLE' DECLs, too. gcc/testsuite/ * c-c++-common/goacc/kernels-decompose-pr104061-1-3.c: Adjust. * c-c++-common/goacc/kernels-decompose-pr104061-1-4.c: Likewise. * c-c++-common/goacc/kernels-decompose-pr104132-1.c: Likewise. * c-c++-common/goacc/kernels-decompose-pr104133-1.c: Likewise. libgomp/ * testsuite/libgomp.oacc-c-c++-common/kernels-decompose-1.c: Extend.
2022-03-04OpenACC 'kernels' decomposition: Move 'TREE_ADDRESSABLE' setting into OMP ↵Thomas Schwinge15-16/+70
lowering [PR100280] ... in preparation for later changes. No functional change. Follow-up to commit 9b32c1669aad5459dd053424f9967011348add83 "OpenACC 'kernels' decomposition: Mark variables used in synthesized data clauses as addressable [PR100280]". PR middle-end/100280 gcc/ * tree.h (OMP_CLAUSE_MAP_DECL_MAKE_ADDRESSABLE): New. * tree-core.h: Document it. * omp-low.cc (scan_sharing_clauses) <OMP_CLAUSE_MAP>: Handle 'OMP_CLAUSE_MAP_DECL_MAKE_ADDRESSABLE'. * omp-oacc-kernels-decompose.cc (maybe_build_inner_data_region): Set 'OMP_CLAUSE_MAP_DECL_MAKE_ADDRESSABLE' instead of 'TREE_ADDRESSABLE'. gcc/testsuite/ * c-c++-common/goacc/classify-kernels-unparallelized.c: Adjust. * c-c++-common/goacc/classify-kernels.c: Likewise. * c-c++-common/goacc/kernels-decompose-2.c: Likewise. * c-c++-common/goacc/kernels-decompose-pr100280-1.c: Likewise. * c-c++-common/goacc/kernels-decompose-pr104061-1-2.c: Likewise. * c-c++-common/goacc/kernels-decompose-pr104061-1-3.c: Likewise. * c-c++-common/goacc/kernels-decompose-pr104061-1-4.c: Likewise. * c-c++-common/goacc/kernels-decompose-pr104132-1.c: Likewise. * c-c++-common/goacc/kernels-decompose-pr104133-1.c: Likewise. libgomp/ * testsuite/libgomp.oacc-c-c++-common/f-asyncwait-1.c: Adjust. * testsuite/libgomp.oacc-c-c++-common/kernels-decompose-1.c: Likewise.
2022-03-04Add diagnostic: "note: OpenACC 'kernels' decomposition: variable '[...]' ↵Thomas Schwinge12-1/+49
declared in block made addressable" [PR100280] Follow-up to commit 9b32c1669aad5459dd053424f9967011348add83 "OpenACC 'kernels' decomposition: Mark variables used in synthesized data clauses as addressable [PR100280]". PR middle-end/100280 gcc/ * omp-oacc-kernels-decompose.cc (maybe_build_inner_data_region): Add diagnostic: "note: OpenACC 'kernels' decomposition: variable '[...]' declared in block made addressable". gcc/testsuite/ * c-c++-common/goacc/classify-kernels-unparallelized.c: Add '--param=openacc-privatization=noisy'. * c-c++-common/goacc/classify-kernels.c: Likewise. * c-c++-common/goacc/kernels-decompose-2.c: Adjust. * c-c++-common/goacc/kernels-decompose-pr100280-1.c: Likewise. * c-c++-common/goacc/kernels-decompose-pr104061-1-2.c: Likewise. * c-c++-common/goacc/kernels-decompose-pr104061-1-3.c: Likewise. * c-c++-common/goacc/kernels-decompose-pr104061-1-4.c: Likewise. * c-c++-common/goacc/kernels-decompose-pr104132-1.c: Likewise. * c-c++-common/goacc/kernels-decompose-pr104133-1.c: Likewise. libgomp/ * testsuite/libgomp.oacc-c-c++-common/f-asyncwait-1.c: Adjust. * testsuite/libgomp.oacc-c-c++-common/kernels-decompose-1.c: Likewise.
2022-03-04Catch 'GIMPLE_DEBUG' misbehavior in OpenACC 'kernels' decomposition ↵Thomas Schwinge13-0/+427
[PR100400, PR103836, PR104061] Actually fixing it is a separate task, but it seems prudent to at least catch it, and document via a few test cases. gcc/ PR middle-end/100400 PR middle-end/103836 PR middle-end/104061 * omp-oacc-kernels-decompose.cc (decompose_kernels_region_body): Catch 'GIMPLE_DEBUG'. gcc/testsuite/ PR middle-end/100400 PR middle-end/103836 PR middle-end/104061 * c-c++-common/goacc/kernels-decompose-pr100400-1-1.c: New. * c-c++-common/goacc/kernels-decompose-pr100400-1-2.c: New. * c-c++-common/goacc/kernels-decompose-pr100400-1-3.c: New. * c-c++-common/goacc/kernels-decompose-pr100400-1-4.c: New. * c-c++-common/goacc/kernels-decompose-pr103836-1-1.c: New. * c-c++-common/goacc/kernels-decompose-pr103836-1-2.c: New. * c-c++-common/goacc/kernels-decompose-pr103836-1-3.c: New. * c-c++-common/goacc/kernels-decompose-pr103836-1-4.c: New. * c-c++-common/goacc/kernels-decompose-pr104061-1-1.c: New. * c-c++-common/goacc/kernels-decompose-pr104061-1-2.c: New. * c-c++-common/goacc/kernels-decompose-pr104061-1-3.c: New. * c-c++-common/goacc/kernels-decompose-pr104061-1-4.c: New.
2022-03-04Add 'c-c++-common/goacc/kernels-decompose-pr104133-1.c' [PR104133]Thomas Schwinge1-0/+40
..., currently XFAILed with 'dg-ice'. PR middle-end/104133 gcc/testsuite/ * c-c++-common/goacc/kernels-decompose-pr104133-1.c: New file.
2022-03-04Add 'c-c++-common/goacc/kernels-decompose-pr104132-1.c' [PR104132]Thomas Schwinge1-0/+38
..., currently XFAILed with 'dg-ice'. PR middle-end/104132 gcc/testsuite/ * c-c++-common/goacc/kernels-decompose-pr104132-1.c: New file.
2022-03-04Update 'c-c++-common/goacc/classify-*', 'gfortran.dg/goacc/classify-*'Thomas Schwinge16-22/+38
... to use 'dg-line', simplifying later changes. Also some minor miscellaneous diagnostics scanning maintenance. gcc/testsuite/ * c-c++-common/goacc/classify-kernels-parloops.c: Update. * c-c++-common/goacc/classify-kernels-unparallelized-parloops.c: Likewise. * c-c++-common/goacc/classify-kernels-unparallelized.c: Likewise. * c-c++-common/goacc/classify-kernels.c: Likewise. * c-c++-common/goacc/classify-parallel.c: Likewise. * c-c++-common/goacc/classify-routine-nohost.c: Likewise. * c-c++-common/goacc/classify-routine.c: Likewise. * c-c++-common/goacc/classify-serial.c: Likewise. * gfortran.dg/goacc/classify-kernels-parloops.f95: Likewise. * gfortran.dg/goacc/classify-kernels-unparallelized-parloops.f95: Likewise. * gfortran.dg/goacc/classify-kernels-unparallelized.f95: Likewise. * gfortran.dg/goacc/classify-kernels.f95: Likewise. * gfortran.dg/goacc/classify-parallel.f95: Likewise. * gfortran.dg/goacc/classify-routine-nohost.f95: Likewise. * gfortran.dg/goacc/classify-routine.f95: Likewise. * gfortran.dg/goacc/classify-serial.f95: Likewise.
2022-03-04libstdc++: Fix -Wunused-local-typedefs warning in <compare>Jonathan Wakely1-2/+2
libstdc++-v3/ChangeLog: * libsupc++/compare (strong_order::_S_fp_cmp): Move typedef inside #if condition.
2022-03-04tree: Fix up warn_deprecated_use [PR104627]Jakub Jelinek1-1/+4
The r12-7287-g1b71bc7c8b18bd1b change improved the -Wdeprecated warning for C++, but regressed it for C, in particular in gcc.dg/deprecated.c testcase we now report a type that actually isn't deprecated as deprecated instead of the one that is deprecated. The following change tries to find the middle ground between what we used to do before and what r12-7287 change does. If TYPE_STUB_DECL (node) is non-NULL (that is what happens with those C tests), then it will do what it used to do before (just smarter, there is no need to lookup_attribute when it is called again a few lines below this), if it is NULL, it will try TYPE_STUB_DECL (TYPE_MAIN_VARIANT (node)) - what the deprecated-16.C test needs. 2022-03-04 Jakub Jelinek <jakub@redhat.com> PR c/104627 * tree.cc (warn_deprecated_use): For types prefer to use node and only use TYPE_MAIN_VARIANT (node) if TYPE_STUB_DECL (node) is NULL.
2022-03-03x86: Always return pseudo register in ix86_gen_scratch_sse_rtxH.J. Lu30-50/+225
ix86_gen_scratch_sse_rtx returns XMM7/XMM15/XMM31 as a scratch vector register to prevent RTL optimizers from removing vector register. It introduces a conflict with explicit XMM7/XMM15/XMM31 usage and when it is called by RTL optimizers, it may introduce conflicting usages of XMM7/XMM15/XMM31. Change ix86_gen_scratch_sse_rtx to always return a pseudo register and xfail x86 tests which are optimized with a hard scratch register. gcc/ PR target/104704 * config/i386/i386.cc (ix86_gen_scratch_sse_rtx): Always return a pseudo register. gcc/testsuite/ PR target/104704 * gcc.target/i386/incoming-11.c: Xfail. * gcc.target/i386/pieces-memset-3.c: Likewise. * gcc.target/i386/pieces-memset-37.c: Likewise. * gcc.target/i386/pieces-memset-39.c: Likewise. * gcc.target/i386/pieces-memset-46.c: Likewise. * gcc.target/i386/pieces-memset-47.c: Likewise. * gcc.target/i386/pieces-memset-48.c: Likewise. * gcc.target/i386/pr90773-5.c: Likewise. * gcc.target/i386/pr90773-14.c: Likewise. * gcc.target/i386/pr90773-17.c: Likewise. * gcc.target/i386/pr100865-8a.c: Likewise. * gcc.target/i386/pr100865-8c.c: Likewise. * gcc.target/i386/pr100865-9c.c: Likewise. * gcc.target/i386/pieces-memset-21.c: Always expect vzeroupper. * gcc.target/i386/pr82941-1.c: Likewise. * gcc.target/i386/pr82942-1.c: Likewise. * gcc.target/i386/pr82990-1.c: Likewise. * gcc.target/i386/pr82990-3.c: Likewise. * gcc.target/i386/pr82990-5.c: Likewise. * gcc.target/i386/pr100865-11b.c: Expect vmovdqa instead of vmovdqa64. * gcc.target/i386/pr100865-12b.c: Likewise. * gcc.target/i386/pr100865-8b.c: Likewise. * gcc.target/i386/pr100865-9b.c: Likewise. * gcc.target/i386/pr104704-1.c: New test. * gcc.target/i386/pr104704-2.c: Likewise. * gcc.target/i386/pr104704-3.c: Likewise. * gcc.target/i386/pr104704-4.c: Likewise. * gcc.target/i386/pr104704-5.c: Likewise. * gcc.target/i386/pr104704-6.c: Likewise.
2022-03-04Daily bump.GCC Administrator5-1/+102
2022-03-03libstdc++: Use non-debug vector in constexpr test [PR104748]Jonathan Wakely1-5/+11
The std::__debug::vector isn't usable in constant expressions, so this test fails in debug mode. Until the debug vector is fixed we can just make the test use the non-debug one. libstdc++-v3/ChangeLog: PR libstdc++/104748 * testsuite/std/ranges/adaptors/all.cc: Use non-debug vector for constexpr test.
2022-03-03libstdc++: Fix test failure on AIXJonathan Wakely1-0/+2
This fixes a test failure due to a non-reserved name in an AIX system header (included via <pthread.h>). That name clashes with one of the names we check our own headers for, so skip checking that name on AIX. libstdc++-v3/ChangeLog: * testsuite/17_intro/names.cc (func): Undef on AIX.
2022-03-03libstdc++: Implement std::strong_order for floating-point types [PR96526]Jonathan Wakely2-4/+351
This removes a FIXME in <compare>, defining the total order for floating-point types. I originally opened PR96526 to request a new compiler built-in to implement this, but now that we have std::bit_cast it can be done entirely in the library. The implementation is based on the glibc definitions of totalorder, totalorderf, totalorderl etc. I think this works for all the types that satisfy std::floating_point today, and should also work for the types expected to be added by P1467 except for std::bfloat16_t. It also supports some additional types that don't currently satisfy std::floating_point, such as __float80, but we probably do want that to satisfy the concept for non-strict modes. libstdc++-v3/ChangeLog: PR libstdc++/96526 * libsupc++/compare (strong_order): Add missing support for floating-point types. * testsuite/18_support/comparisons/algorithms/strong_order_floats.cc: New test.
2022-03-03Call mark_dfs_back_edges before testing EDGE_DFS_BACK [PR104761].Martin Sebor3-1/+48
Resolves: PR middle-end/104761 - bogus -Wdangling-pointer with cleanup and infinite loop gcc/ChangeLog: PR middle-end/104761 * gimple-ssa-warn-access.cc (pass_waccess::execute): Call mark_dfs_back_edges. gcc/testsuite/ChangeLog: PR middle-end/104761 * g++.dg/warn/Wdangling-pointer-4.C: New test. * gcc.dg/Wdangling-pointer-4.c: New test.
2022-03-03configure: use linker plug-in by default for ld.moldMartin Liska2-4/+4
gcc/ChangeLog: * configure.ac: Use linker plug-in by default. * configure: Regenerate.
2022-03-03configure: enable plugin support for ld.moldMartin Liska2-0/+4
gcc/ChangeLog: * configure.ac: Now ld.mold support LTO plugin API, use it. * configure: Regenerate.
2022-03-03openmp, fortran: Check that the type of an event handle in a detach clause ↵Kwok Cheung Yeung3-13/+51
is suitable [PR104131] This rejects variables that are array types, array elements or derived type members when used as the event handle inside a detach clause (in accordance with the OpenMP specification). This would previously lead to an ICE. 2022-03-03 Kwok Cheung Yeung <kcy@codesourcery.com> gcc/fortran/ PR fortran/104131 * openmp.cc (gfc_match_omp_detach): Move check for type of event handle to... (resolve_omp_clauses) ...here. Also check that the event handle is not an array, or an array access or structure element access. gcc/testsuite/ PR fortran/104131 * gfortran.dg/gomp/pr104131.f90: New. * gfortran.dg/gomp/task-detach-1.f90: Update expected error message.
2022-03-03[nvptx] Build libraries with mptx=3.1Tom de Vries1-1/+1
In gcc-5 to gcc-11, the ptx isa version was 3.1. On trunk, the default is now 6.0, which is also what will be the value in the libraries. Consequently, there may be setups with an older driver that worked with gcc-11, but will become unsupported with gcc-12. Fix this by building the libraries with mptx=3.1. After this, setups with an older driver still won't work out of the box with gcc-12, because the default ptx isa version has changed, but should work after specifying mptx=3.1. gcc/ChangeLog: 2022-03-03 Tom de Vries <tdevries@suse.de> * config/nvptx/t-nvptx (MULTILIB_EXTRA_OPTS): Add mptx=3.1.
2022-03-03[nvptx] Build libraries with misa=sm_30Tom de Vries1-0/+2
In gcc-11, when specifying -misa=sm_30, an executable may still contain sm_35 code (due to libraries being built with the default -misa=sm_35), so it won't run on an sm_30 board. Fix this by building libraries with sm_30, as was the case in gcc-5 to gcc-10. gcc/ChangeLog: 2022-03-03 Tom de Vries <tdevries@suse.de> PR target/104758 * config/nvptx/t-nvptx (MULTILIB_EXTRA_OPTS): Add misa=sm_30.
2022-03-03[nvptx] Use --no-verify for sm_30Tom de Vries1-1/+1
In PR97348, we ran into the problem that recent CUDA dropped support for sm_30, which inhibited the build when building with CUDA bin in the path, because the nvptx-tools assembler uses CUDA's ptxas to do ptx verification. To fix this, in gcc-11 the default sm_xx was moved from sm_30 to sm_35. This however broke support for sm_30 boards: an executable build for sm_30 might contain sm_35 code from the libraries, which are build with the default sm_xx (PR104758). We want to fix this by going back to having the libraries build with sm_30, as was the case for gcc-5 to gcc-10. That however reintroduces the problem from PR97348. Deal with PR97348 in the simplest way possible: when calling the assembler for sm_30, specify --no-verify. This has the unfortunate effect that after fixing PR104758 by building libraries with sm_30, the libraries are no longer verified. This can be improved upon by: - adding a configure test in gcc that tests if CUDA supports sm_30, and if so disabling this patch - dealing with this in nvptx-tools somehow, either: - detect at ptxas execution time that it doesn't support sm_30, or - detect this at nvptx-tool configure time. gcc/ChangeLog: 2022-03-03 Tom de Vries <tdevries@suse.de> * config/nvptx/nvptx.h (ASM_SPEC): Add %{misa=sm_30:--no-verify}.
2022-03-03[nvptx] Add -mptx=_ in gcc.target/nvptx/smxx.cTom de Vries4-4/+4
With target board nvptx-none-run/-mptx=3.1 we run into: ... cc1: error: PTX version (-mptx) needs to be at least 4.2 to support \ selected -misa (sm_53)^M compiler exited with status 1 FAIL: gcc.target/nvptx/sm53.c (test for excess errors) ... Fix this by adding -mptx=_ in sm53.c and similar. Tested on nvptx. gcc/testsuite/ChangeLog: 2022-03-03 Tom de Vries <tdevries@suse.de> * gcc.target/nvptx/sm53.c: Add -mptx=_. * gcc.target/nvptx/sm70.c: Same. * gcc.target/nvptx/sm75.c: Same. * gcc.target/nvptx/sm80.c: Same.
2022-03-03openmp: Disable SSA form during gimplification on OMP_SIMD clauses and body ↵Jakub Jelinek3-2/+46
[PR104757] When offloading to nvptx is enabled, scan_omp_simd duplicates the simd region including its clauses and body using inliner's copy_gimple_seq_and_replace_locals. That works nicely for decls, remaps only those that are seen in the nested bind expr vars (i.e. local variables) and doesn't remap other vars. But for SSA_NAMEs it remaps them always, doesn't know if their def stmt is outside of the simd (then it better shouldn't be remapped) or inside of it (then it should) and without cfg/dominators that is pretty hard to figure out (well, we could walk the region twice, once note SSA_NAMEs defined by each stmt seen there and once do the remapping of only those visited SSA_NAMEs). This patch uses a simpler way, disables temporarily into_ssa for the clauses and body of each simd region; we already disable into_ssa e.g. in parallel/target/task etc. regions through push_gimplify_context () but for simd we don't push any gimplification context and appart from into_ssa I think we don't need it. 2022-03-03 Jakub Jelinek <jakub@redhat.com> PR middle-end/104757 * gimplify.cc (gimplify_omp_loop): Call gimplify_expr rather than gimplify_omp_for. (gimplify_expr) <case OMP_SIMD>: Temporarily disable gimplify_ctxp->into_ssa around call to gimplify_omp_for. * gfortran.dg/gomp/pr104757.f90: New test. * gcc.dg/gomp/pr104757.c: New test.
2022-03-03calls: When bypassing emit_push_insn for 0 sized arg, emit at least ↵Jakub Jelinek2-0/+22
anti_adjust_stack for alignment pad if needed [PR104558] The following testcase ICEs on x86_64 when asked to use the pre-GCC 8 ABI where zero sized arguments weren't ignored. In GCC 7 the emit_push_insn calls in store_one_arg were unconditional, it is true that they didn't actually push anything because it had zero size, but because arg->locate.alignment_pad is 8 in this case, emit_push_insn at the end performs if (alignment_pad && args_addr == 0) anti_adjust_stack (alignment_pad); and an assert larger on is upset if we don't do it. The following patch keeps the emit_push_insn conditional but calls the anti_adjust_stack when needed by hand for the zero sized arguments. For the new x86_64 ABI where zero sized arguments are ignored arg->locate.alignment_pad is 0 in this case, so nothing changes - we in that case really do ignore it. There is another emit_push_insn call earlier in store_one_arg, also made conditional on non-zero size by Marek in GCC 8, but that one is for arguments with non-BLKmode and the only way those can be zero size is if they are TYPE_EMPTY_P aka when they are completely ignored. But I believe arg->locate.alignment_pad should be 0 in that case, so IMHO there is no need to do anything in the second spot. 2022-03-03 Jakub Jelinek <jakub@redhat.com> PR middle-end/104558 * calls.cc (store_one_arg): When not calling emit_push_insn because size_rtx is const0_rtx, call at least anti_adjust_stack on arg->locate.alignment_pad if !argblock and the alignment might be non-zero. * gcc.dg/pr104558.c: New test.
2022-03-03Daily bump.GCC Administrator6-1/+143
2022-03-02Fortran: error recovery after invalid assumed type declarationHarald Anlauf2-3/+29
gcc/fortran/ChangeLog: PR fortran/104573 * resolve.cc (resolve_structure_cons): Avoid NULL pointer dereference when there is no valid component. gcc/testsuite/ChangeLog: PR fortran/104573 * gfortran.dg/assumed_type_14.f90: New test.
2022-03-02testsuite: Add -Wno-psabi to pr104505.cDavid Edelsohn1-0/+1
The testcase references a vector type that elicits a psabi warning. This patch adds the option to suppress the warning. * c-c++-common/pr104505.c: Add -Wno-psabi.
2022-03-02d: Merge upstream dmd 423f19b41, druntime 100a608c, phobos a1f8c4c07.Iain Buclaw21-136/+503
D Runtime changes: - Fix stdc.stdio bindings to not depend on druntime (PR104729). - Implement stdc.math for Solaris (PR104735). gcc/d/ChangeLog: * dmd/MERGE: Merge upstream dmd 423f19b41. libphobos/ChangeLog: * libdruntime/MERGE: Merge upstream druntime 100a608c. * src/MERGE: Merge upstream phobos a1f8c4c07.
2022-03-02Undo multi-word optional reloads correctlyAlexandre Oliva1-13/+24
Unlike e.g. remove_inheritance_pseudos, undo_optional_reloads didn't deal with subregs, so instead of removing multi-word moves, it replaced the reload pseudo with the original pseudo. Besides the redundant move, that retained the clobber of the dest, that starts a multi-word move. After the remap, the sequence that should have become a no-op move starts by clobbering the original pseudo and then moving its pieces onto themselves. The problem is the clobber: it makes earlier sets of the original pseudo to be regarded as dead: if the optional reload sequence was an output reload, the insn for which the output reload was attempted may be regarded as dead and deleted. I've arranged for undo_optional_reloads to accept SUBREGs and use get_regno, like remove_inheritance_pseudo, adjusted its insn-removal loop to tolerate iterating over a removed clobber, and added logic to catch any left-over reload clobbers that could trigger the problem. for gcc/ChangeLog * lra-constraints.cc (undo_optional_reloads): Recognize and drop insns of multi-word move sequences, tolerate removal iteration on an already-removed clobber, and refuse to substitute original pseudos into clobbers.
2022-03-02Don't emit switch-unreachable warnings for -ftrivial-auto-var-init (PR102276)Qing Zhao7-26/+259
At the same time, adding -Wtrivial-auto-var-init and update documentation. -Wtrivial-auto-var-init and update documentation. for the following testing case: 1 int g(int *); 2 int f1() 3 { 4 switch (0) { 5 int x; 6 default: 7 return g(&x); 8 } 9 } compiling with -O -ftrivial-auto-var-init causes spurious warning: warning: statement will never be executed [-Wswitch-unreachable] 5 | int x; | ^ This is due to the compiler-generated initialization at the point of the declaration. We could avoid the warning to exclude the following cases: when flag_auto_var_init > AUTO_INIT_UNINITIALIZED And 1) call to .DEFERRED_INIT 2) call to __builtin_clear_padding if the 2nd argument is present and non-zero 3) a gimple assign store right after the .DEFERRED_INIT call that has the LHS as RHS However, we still need to warn users about the incapability of the option -ftrivial-auto-var-init by adding a new warning option -Wtrivial-auto-var-init to report cases when it cannot initialize the auto variable. At the same time, update documentation for -ftrivial-auto-var-init to connect it with the new warning option -Wtrivial-auto-var-init, and add documentation for -Wtrivial-auto-var-init. gcc/ChangeLog: PR middle-end/102276 * common.opt (-Wtrivial-auto-var-init): New option. * doc/invoke.texi (-Wtrivial-auto-var-init): Document new option. (-ftrivial-auto-var-init): Update option; * gimplify.cc (emit_warn_switch_unreachable): New function. (warn_switch_unreachable_r): Rename to ... (warn_switch_unreachable_and_auto_init_r): This. (maybe_warn_switch_unreachable): Rename to ... (maybe_warn_switch_unreachable_and_auto_init): This. (gimplify_switch_expr): Update calls to renamed function. gcc/testsuite/ChangeLog: PR middle-end/102276 * gcc.dg/auto-init-pr102276-1.c: New test. * gcc.dg/auto-init-pr102276-2.c: New test. * gcc.dg/auto-init-pr102276-3.c: New test. * gcc.dg/auto-init-pr102276-4.c: New test.
2022-03-02rtl-optimization/104686 - speedup IRA allocno conflict testRichard Biener1-18/+57
In this PR allocnos_conflict_p takes 90% of the compile-time via the calls from update_conflict_hard_regno_costs. This is due to the high number of conflicts recorded in the dense bitvector representation. Fortunately we can take advantage of the bitvector representation here and turn the O(n) conflict test into an O(1) one, greatly speeding up the compile of the testcase from 39s to just 4s (93% IRA time to 26% IRA time). While for the testcase in question the first allocno is almost always the nice one the patch tries a more systematic approach to finding the allocno to iterate object conflicts over. That does reduce the actual number of compares for the testcase but it doesn't make a measurable difference wall-clock wise. That's not guaranteed though I think so I've kept this systematic way of choosing the cheapest allocno. 2022-03-02 Richard Biener <rguenther@suse.de> PR rtl-optimization/104686 * ira-color.cc (object_conflicts_with_allocno_p): New function using a bitvector test instead of iterating when possible. (allocnos_conflict_p): Choose the best allocno to iterate over object conflicts. (update_conflict_hard_regno_costs): Do allocnos_conflict_p test last.
2022-03-02vect: add vect_float to pr102819 testsTamar Christina9-0/+9
This adds a vect_float requirements to this tests to stop them from running on targets that don't support float vectorization. gcc/testsuite/ChangeLog: PR testsuite/104730 * gcc.dg/vect/complex/pr102819-1.c: Add vect_float. * gcc.dg/vect/complex/pr102819-2.c: Likewise. * gcc.dg/vect/complex/pr102819-3.c: Likewise. * gcc.dg/vect/complex/pr102819-4.c: Likewise. * gcc.dg/vect/complex/pr102819-5.c: Likewise. * gcc.dg/vect/complex/pr102819-6.c: Likewise. * gcc.dg/vect/complex/pr102819-7.c: Likewise. * gcc.dg/vect/complex/pr102819-8.c: Likewise. * gcc.dg/vect/complex/pr102819-9.c: Likewise.
2022-03-02testsuite: Fix up pr104637 testcase [PR104637]Jakub Jelinek1-3/+3
This testcase FAILs everywhere for 3 reasons: 1) the testcase can't work on ia32, where sizeof (long double) == 12 and as it is not a power of 2, we disallow creating vectors with such elements, -mx32 and -m64 are fine 2) the testcase emits a lot of -Wdiv-by-zero warnings, I've just added -Wno-div-by-zero to dg-options 3) my fault, when tweaking the testcase I've missed 33 initializers of a 32 element vector which didn't change anything on the ICE, but is still reported This patch fixes all of it, tested with RUNTESTFLAGS='--target_board=unix\{-m32,-m64\} i386.exp=pr104637.c' both without the LRA fix where it ICEs and with it where it passes everywhere. 2022-03-02 Jakub Jelinek <jakub@redhat.com> PR rtl-optimization/104637 * gcc.target/i386/pr104637.c: Don't run on ia32. Add -Wno-div-by-zero to dg-options. (foo): Remove extraneous initializer.
2022-03-02cfg: Dump goto_locus if -fdump-*-*-blocks-detailsJakub Jelinek1-0/+4
When debugging the PR104589 issue, I've run into a problem that goto_locus doesn't show up in the logs, so it wasn't clear if the bug hasn't been introduced far earlier just by divergence in goto_locus of some edge. 2022-03-02 Jakub Jelinek <jakub@redhat.com> * cfg.cc (dump_edge_info): Dump goto_locus if present.
2022-03-02cfgrtl: Fix up -g vs. -g0 code generation -flto differences in ↵Jakub Jelinek1-2/+2
fixup_reorder_chain [PR104589] This is similar to PR104237 and similarly to that, no testcase included for the testsuite, as we don't have a framework to compile/link with -g -flto and -g0 -flto and compare -fdump-final-insns= results from the lto1 compilations. With -flto, whether two location_t compare equal or not and just express the same location is a lottery. 2022-03-02 Jakub Jelinek <jakub@redhat.com> PR rtl-optimization/104589 * cfgrtl.cc (fixup_reorder_chain): Use loc_equal instead of direct INSN_LOCATION comparison with goto_locus.
2022-03-02testsuite: Add testcases for already fixed PR [PR100541]Jakub Jelinek2-0/+49
These testcases started failing with r12-630 and one of them got fixed with r12-4531 (aka PR102764 fix and r12-4616 further improved the fix) and the other went latent in r12-2591 (i.e. threader changes) and I believe was fixed for real by the PR102764 fix too. 2022-03-02 Jakub Jelinek <jakub@redhat.com> PR debug/100541 * g++.dg/opt/pr100541-1.C: New test. * g++.dg/opt/pr100541-2.C: New test.
2022-03-02strlen: Comment spelling fixesJakub Jelinek1-2/+2
This fixes some comment spelling bugs in tree-ssa-strlen.cc. 2022-03-02 Jakub Jelinek <jakub@redhat.com> * tree-ssa-strlen.cc (strlen_pass::handle_assign, strlen_pass::before_dom_children): Comment spelling fixes.
2022-03-02modref: Comment spelling fixesJakub Jelinek4-54/+54
This fixes some spelling mistakes in ipa-modref*. 2022-03-02 Jakub Jelinek <jakub@redhat.com> * ipa-modref-tree.cc (modref_access_node::contains, modref_access_node::closer_pair_p, modref_access_node::insert, modref_access_node::insert_kill): Comment spelling fixes. * ipa-modref.cc: Likewise. (modref_summary::finalize, ignore_nondeterminism_p, class modref_access_analysis, modref_access_analysis::set_side_effects, modref_access_analysis::set_nondeterministic, modref_access_analysis::record_global_memory_load, modref_access_analysis::propagate, modref_access_analysis::analyze, struct escape_point, class modref_lattice, modref_lattice::merge, modref_lattice::merge_deref, class modref_eaf_analysis, modref_eaf_analysis::merge_call_lhs_flags, modref_eaf_analysis::analyze_ssa_name, modref_eaf_analysis::propagate, modref_eaf_analysis::record_escape_points, remap_kills, update_escape_summary, remove_useless_summaries, ipa_merge_modref_summary_after_inlining, pass_ipa_modref::execute): Likewise. * ipa-modref.h (struct modref_summary, interposable_eaf_flags): Likewise. * ipa-modref-tree.h (enum modref_special_parms, struct modref_access_node): Likewise.
2022-03-02i386: Fix pr104551 testcase for solarisHongyu Wang1-2/+4
Use avx2-check mechanism to avoid illegal instrucion on non-avx2 target. gcc/testsuite/ChangeLog: PR target/104726 * gcc.target/i386/pr104551.c: Use avx2-check.h.
2022-03-02AVX512FP16: Fix vcvt[u]si2sh runtime tests for SolarisHongyu Wang4-4/+4
Use standard C type instead of __int64_t which doesn't work on Solaris. gcc/testsuite/ChangeLog: PR target/104724 * gcc.target/i386/avx512fp16-vcvtsi2sh-1b.c: Use long long instead of __int64_t. * gcc.target/i386/avx512fp16-vcvtsi2sh64-1b.c: Ditto. * gcc.target/i386/avx512fp16-vcvtusi2sh-1b.c: Ditto. * gcc.target/i386/avx512fp16-vcvtusi2sh64-1b.c: Ditto.
2022-03-02Daily bump.GCC Administrator7-1/+178
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