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* Daily bump.GCC Administrator2021-03-031-0/+6
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* Update Copyright in ChangeLog filesJakub Jelinek2021-01-041-1/+1
| | | | | Do this separately from all other Copyright updates, as ChangeLog files can be modified only separately.
* Daily bump.GCC Administrator2020-12-151-0/+8
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* libcpp, libdecnumber: configure and substitute ARDavid Edelsohn2020-05-231-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | AIX supports "FAT" libraries containing 32 bit and 64 bit objects (similar to Darwin), but commands for manipulating libraries do not default to accept both 32 bit and 64 bit object files. While updating the AIX configuration to support building and running GCC as a 64 bit application, I have encountered some build libraries that hard code AR=ar instead of testing the environment. This patch adds AR_CHECK_TOOL(AR, ar) to configure.ac for the two libraries and updates Makefile.in to accept the substitution. 2020-05-23 David Edelsohn <dje.gcc@gmail.com> libcpp/ChangeLog: * Makefile.in (AR): Substitute @AR@. * configure.ac (CHECK_PROG AR): New. * configure: Regenerate. libdecnumber/ChangeLog: * Makefile.in (AR): Substitute @AR@. * configure.ac (CHECK_PROG AR): New. * configure: Regenerate.
* preprocessor: Replace some flags with a single enumNathan Sidwell2020-05-201-0/+12
| | | | | | | | | | | | | | | | _cpp_find_file has 3 bool arguments, at most one of which is ever set. Ripe for replacing with a 4-state enum. Also, this is C++, so 'typedef struct Foo Foo' is unnecessary. * internal.h (typedef _cpp_file): Delete, unnecessary in C++. (enum _cpp_find_file_kind): New. (_cpp_find_file): Use it, not 3 bools. * files.c (_cpp_find_file): Use _cpp_find_file_kind enum, not bools. (cpp_make_system_header): Break overly long line. (_cpp_stack_include, _cpp_fake_include) (_cpp_do_file_change, _cpp_compare_file_date, _cpp_has_header): Adjust. * init.c (cpp_read_main): Adjust _cpp_find_file call.
* preprocessor: Random cleanupsNathan Sidwell2020-05-191-0/+8
| | | | | | | | | | | | | | | This fixes a bunch of poorly formatted decls, marks some getters as PURE, deletes some C-relevant bool hackery, and finally uses a passed-in location rather than deducing a closely-related but not necessarily the same location. * include/cpplib.h (cpp_get_otions, cpp_get_callbacks) (cpp_get_deps): Mark as PURE. * include/line-map.h (get_combined_adhoc_loc) (get_location_from_adhoc_loc, get_pure_location): Reformat decls. * internal.h (struct lexer_state): Clarify comment. * system.h: Remove now-unneeded bool hackery. * files.c (_cpp_find_file): Store LOC not highest_location.
* preprocessor: Reimplement raw string lexing [pr95149]Nathan Sidwell2020-05-191-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | pr95149 is a false positive static analysis checker. But it encouranged me to fix raw string lexing, which does contain a complicated macro and pointers to local variables. The reimplementation does away with that macro. Part of the complication is we need to undo some of the fresh line processing -- trigraph notes and escaped line continuations. But the undone characters need to go through the raw string processing, as they can legitimately be part of the prefix marker. however, in this reformulation we only process one line marker at a time[*], so there's a limited number of undone characters. We can arrange the buffering to make sure we don't split such an append sequence, and then simply take the characters from the append buffer. The prefix scanner had a switch statement, which I discovered was not optimized as well as an if of a bunch of explicit comparisons (pr 95208 filed). Finally I adjusted the failure mode. When we get a bad prefix, we lex up until the next '"', thus often swallowing the whole raw string. Previously we'd bail and then the lexer would usually generate stupid tokens, particularly when meeting the ending '"'. libcpp/ * lex.c (struct lit_accum): New. (bufring_append): Replace by lit_accum::append. (lex_raw_string): Reimplement, using fragments of the old version. (lex_string): Adjust lex_raw_string call. gcc/testsuite/ * c-c++-common/raw-string-14.c: Adjust errors. * c-c++-common/raw-string-16.c: Likewise. * c-c++-common/raw-string-5.c: Likewise.
* preprocessor: Fix ICE with EOF in macro args [pr95182]Nathan Sidwell2020-05-191-0/+7
| | | | | | | | | | | | | | This was another latent case of us losing an EOF token, but succeeding anyway. Since my patch to make us pay more attention to EOFs it came to light. We also need to keep the EOF if we fall off the end of the main file. Forced includes look like regular nested includes at this point. PR preprocessor/95182 libcpp/ * macro.c (collect_args): Preserve EOFif we fell out of the main file. (cpp_get_token_1): Reformat a couple of short lines.
* x86: Default CET run-time support to autoH.J. Lu2020-05-141-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CET has been added since GCC 8. This patch defaults CET run-time support to auto. It enables CET run-time support if asssembler supports CET instructions and multi-byte NOPs are enabled via SSE2. config/ * cet.m4 (GCC_CET_FLAGS): Change default to auto. gcc/ * configure: Regenerated. libatomic/ * configure: Regenerated. libbacktrace/ * configure: Regenerated. libcc1/ * configure: Regenerated. libcpp/ * configure: Regenerated. libdecnumber/ * configure: Regenerated. libgcc/ * configure: Regenerated. libgfortran/ * configure: Regenerated. libgomp/ * configure: Regenerated. libitm/ * configure: Regenerated. libobjc/ * configure: Regenerated. libquadmath/ * configure: Regenerated. libsanitizer/ * configure: Regenerated. libssp/ * configure: Regenerated. libstdc++-v3/ * configure: Regenerated. libvtv/ * configure: Regenerated. zlib/ * configure: Regenerated.
* c++: Replace "C++2a" with "C++20".Jason Merrill2020-05-131-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | C++20 isn't final quite yet, but all that remains is formalities, so let's go ahead and change all the references. I think for the next C++ standard we can just call it C++23 rather than C++2b, since the committee has been consistent about time-based releases rather than feature-based. gcc/c-family/ChangeLog 2020-05-13 Jason Merrill <jason@redhat.com> * c.opt (std=c++20): Make c++2a the alias. (std=gnu++20): Likewise. * c-common.h (cxx_dialect): Change cxx2a to cxx20. * c-opts.c: Adjust. * c-cppbuiltin.c: Adjust. * c-ubsan.c: Adjust. * c-warn.c: Adjust. gcc/cp/ChangeLog 2020-05-13 Jason Merrill <jason@redhat.com> * call.c, class.c, constexpr.c, constraint.cc, decl.c, init.c, lambda.c, lex.c, method.c, name-lookup.c, parser.c, pt.c, tree.c, typeck2.c: Change cxx2a to cxx20. libcpp/ChangeLog 2020-05-13 Jason Merrill <jason@redhat.com> * include/cpplib.h (enum c_lang): Change CXX2A to CXX20. * init.c, lex.c: Adjust.
* preprocessor: EOF location is at end of file [PR95013]Nathan Sidwell2020-05-121-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | My recent C++ parser change to pay attention to EOF location uncovered a separate bug. The preprocesor's EOF logic would set the EOF location to be the beginning of the last line of text in the file -- not the 'line' after that, which contains no characters. Mostly. This fixes things so that when we attempt to read the last line of the main file, we don't pop the buffer until the tokenizer has a chance to create an EOF token with the correct location information. It is then responsible for popping the buffer. As it happens, raw string literal tokenizing contained a bug -- it would increment the line number prematurely, because it cached buffer->cur in a local variable, but checked buffer->cur before updating it to figure out if it was at end of file. We fix up that too. The EOF token intentionally doesn't have a column number -- it's not a position on a line, it's a non-existant line. The testsuite churn is just correcting the EOF location diagnostics. libcpp/ PR preprocessor/95013 * lex.c (lex_raw_string): Process line notes before incrementing. Correct incrementing condition. Adjust for new _cpp_get_fresh_line EOF behaviour. (_cpp_get_fresh_line): Do not pop buffer at EOF, increment line instead. (_cpp_lex_direct): Adjust for new _cpp_get_fresh_line behaviour. (cpp_directive_only_process): Assert we got a fresh line. * traditional.c (_cpp_read_logical_line_trad): Adjust for new _cpp_get_fresh_line behaviour. gcc/testsuite/ * c-c++-common/goacc/pr79428-1.c: Adjust EOF diagnostic location. * c-c++-common/gomp/pr79428-2.c: Likewise. * g++.dg/cpp0x/decltype63.C: Likewise. * g++.dg/cpp0x/gen-attrs-64.C: Likewise. * g++.dg/cpp0x/pr68726.C: Likewise. * g++.dg/cpp0x/pr78341.C: Likewise. * g++.dg/cpp1y/pr65202.C: Likewise. * g++.dg/cpp1y/pr65340.C: Likewise. * g++.dg/cpp1y/pr68578.C: Likewise. * g++.dg/cpp1z/class-deduction44.C: Likewise. * g++.dg/diagnostic/unclosed-extern-c.C: Likewise. * g++.dg/diagnostic/unclosed-function.C: Likewise. * g++.dg/diagnostic/unclosed-namespace.C: Likewise. * g++.dg/diagnostic/unclosed-struct.C: Likewise. * g++.dg/ext/pr84598.C: Likewise. * g++.dg/other/switch4.C: Likewise. * g++.dg/parse/attr4.C: Likewise. * g++.dg/parse/cond4.C: Likewise. * g++.dg/parse/crash10.C: Likewise. * g++.dg/parse/crash18.C: Likewise. * g++.dg/parse/crash27.C: Likewise. * g++.dg/parse/crash34.C: Likewise. * g++.dg/parse/crash35.C: Likewise. * g++.dg/parse/crash52.C: Likewise. * g++.dg/parse/crash59.C: Likewise. * g++.dg/parse/crash61.C: Likewise. * g++.dg/parse/crash67.C: Likewise. * g++.dg/parse/error14.C: Likewise. * g++.dg/parse/error56.C: Likewise. * g++.dg/parse/invalid1.C: Likewise. * g++.dg/parse/parameter-declaration-1.C: Likewise. * g++.dg/parse/parser-pr28152-2.C: Likewise. * g++.dg/parse/parser-pr28152.C: Likewise. * g++.dg/parse/pr68722.C: Likewise. * g++.dg/pr46852.C: Likewise. * g++.dg/pr46868.C: Likewise. * g++.dg/template/crash115.C: Likewise. * g++.dg/template/crash43.C: Likewise. * g++.dg/template/crash90.C: Likewise. * g++.dg/template/error-recovery1.C: Likewise. * g++.dg/template/error57.C: Likewise. * g++.old-deja/g++.other/crash31.C: Likewise. * gcc.dg/empty-source-2.c: Likewise. * gcc.dg/empty-source-3.c: Likewise. * gcc.dg/noncompile/pr30552-3.c: Likewise. * gcc.dg/noncompile/pr35447-1.c: Likewise. * gcc.dg/pr20245-1.c: Likewise. * gcc.dg/pr28419.c: Likewise. * gcc.dg/rtl/truncated-rtl-file.c: Likewise. * gcc.dg/unclosed-init.c: Likewise. * obj-c++.dg/property/property-neg-6.mm: Likewise. * obj-c++.dg/syntax-error-10.mm: Likewise. * obj-c++.dg/syntax-error-8.mm: Likewise. * obj-c++.dg/syntax-error-9.mm: Likewise.
* libcpp: Enable Intel CET on Intel CET enabled host for jitH.J. Lu2020-05-121-0/+10
| | | | | | | | | | | | | | | Since on Intel CET enabled host, dlopen in Intel CET enabled applications fails on shared libraries which aren't Intel CET enabled, compile with -fcf-protection on Intel CET enabled host when jit is enabled to enable Intel CET on libgccjit. * Makefile.in (CET_HOST_FLAGS): New. (COMPILER): Add $(CET_HOST_FLAGS). * configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and AC_SUBST(CET_HOST_FLAGS). Clear CET_HOST_FLAGS if jit isn't enabled. * aclocal.m4: Regenerated. * configure: Likewise.
* preprocessor: Reimplement directives only processing, support raw literals.Nathan Sidwell2020-05-081-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The existing directives-only code (a) punched a hole through the libcpp interface and (b) didn't support raw string literals. This reimplements this preprocessing mode. I added a proper callback interface, and adjusted c-ppoutput to use it. Sadly I cannot get rid of the libcpp/internal.h include for unrelated reasons. The new scanner is in lex.x, and works doing some backwards scanning when it finds a charater of interest. This reduces the number of cases one has to deal with in forward scanning. It may have different failure mode than forward scanning on bad tokenization. Finally, Moved some cpp tests from the c-specific dg.gcc/cpp directory to the c-c++-common/cpp shared directory, libcpp/ * directives-only.c: Delete. * Makefile.in (libcpp_a_OBJS, libcpp_a_SOURCES): Remove it. * include/cpplib.h (enum CPP_DO_task): New enum. (cpp_directive_only_preprocess): Declare. * internal.h (_cpp_dir_only_callbacks): Delete. (_cpp_preprocess_dir_only): Delete. * lex.c (do_peek_backslask, do_peek_next, do_peek_prev): New. (cpp_directives_only_process): New implementation. gcc/c-family/ Reimplement directives only processing. * c-ppoutput.c (token_streamer): Ne. (directives_only_cb): New. Swallow ... (print_lines_directives_only): ... this. (scan_translation_unit_directives_only): Reimplment using the published interface. gcc/testsuite/ * gcc.dg/cpp/counter-[23].c: Move to c-c+_-common/cpp. * gcc.dg/cpp/dir-only-*: Likewise. * c-c++-common/cpp/dir-only-[78].c: New.
* c++: Partially implement P1042R1: __VA_OPT__ wording clarifications [PR92319]Jakub Jelinek2020-02-141-0/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I've noticed we claim in cxx-status.html that we implement P1042R1, but it seems we don't implement any of the changes from there. The following patch implements just the change that __VA_OPT__ determines whether to expand to nothing or the enclosed tokens no longer based on whether there were any tokens passed to __VA_ARGS__, but whether __VA_ARGS__ expands to any tokens (from testing apparently it has to be non-CPP_PADDING tokens). I'm afraid I'm completely lost about the padding preservation/removal changes that are also in the paper, so haven't touched that part. 2020-02-14 Jakub Jelinek <jakub@redhat.com> Partially implement P1042R1: __VA_OPT__ wording clarifications PR preprocessor/92319 * macro.c (expand_arg): Move declarations before vaopt_state definition. (class vaopt_state): Move enum update_type definition earlier. Remove m_allowed member, add m_arg and m_update members. (vaopt_state::vaopt_state): Change last argument from bool any_args to macro_arg *arg, initialize m_arg and m_update instead of m_allowed. (vaopt_state::update): When bumping m_state from 1 to 2 and m_update is ERROR, determine if __VA_ARGS__ expansion has any non-CPP_PADDING tokens and set m_update to INCLUDE if it has any, DROP otherwise. Return m_update instead of m_allowed ? INCLUDE : DROP in m_state >= 2. (replace_args, create_iso_definition): Adjust last argument to vaopt_state ctor. * c-c++-common/cpp/va-opt-4.c: New test.
* Remove trailing comma to avoid pedantic warning in C++ 98 mode: comma at end ↵Martin Sebor2020-02-051-0/+5
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