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Author	SHA1	Message	Date
Qing Zhao	ace0ae0933	Change the name of array_at_struct_end_p to array_ref_flexible_size_p ... The name of the utility routine "array_at_struct_end_p" is misleading and should be changed to a new name that more accurately reflects its real meaning. The routine "array_at_struct_end_p" is used to check whether an array reference is to an array whose actual size might be larger than its upper bound implies, which includes 3 different cases: A. a ref to a flexible array member at the end of a structure; B. a ref to an array with a different type against the original decl; C. a ref to an array that was passed as a parameter; The old name only reflects the above case A, therefore very confusing when reading the corresponding gcc source code. In this patch, A new name "array_ref_flexible_size_p" is used to replace the old name. All the references to the routine "array_at_struct_end_p" was replaced with this new name, and the corresponding comments were updated to make them clean and consistent. gcc/ChangeLog: * gimple-array-bounds.cc (trailing_array): Replace array_at_struct_end_p with new name and update comments. * gimple-fold.cc (get_range_strlen_tree): Likewise. * gimple-ssa-warn-restrict.cc (builtin_memref::builtin_memref): Likewise. * graphite-sese-to-poly.cc (bounds_are_valid): Likewise. * tree-if-conv.cc (idx_within_array_bound): Likewise. * tree-object-size.cc (addr_object_size): Likewise. * tree-ssa-alias.cc (component_ref_to_zero_sized_trailing_array_p): Likewise. (stmt_kills_ref_p): Likewise. * tree-ssa-loop-niter.cc (idx_infer_loop_bounds): Likewise. * tree-ssa-strlen.cc (maybe_set_strlen_range): Likewise. * tree.cc (array_at_struct_end_p): Rename to ... (array_ref_flexible_size_p): ... this. (component_ref_size): Replace array_at_struct_end_p with new name. * tree.h (array_at_struct_end_p): Rename to ... (array_ref_flexible_size_p): ... this.	2022-11-09 15:48:04 +00:00
Martin Liska	0b3d926d79	docs: fix links pointing to gcc.gnu.org/install ... Use https://gcc.gnu.org/onlinedocs/install/ instead. ChangeLog: * configure.ac: Use new install URL. * configure: Regenerate. gcc/ChangeLog: * Makefile.in: Use new install URL. * doc/gcc/gcc-command-options/machine-dependent-options/avr-options.rst: Use intersphinx link. * doc/gcc/gcc-command-options/options-to-control-diagnostic-messages-formatting.rst: Use new URL. * doc/gccint/source-tree-structure-and-build-system.rst: Use intersphinx link. * doc/install/host-target-specific-installation-notes-for-gcc.rst: Likewise. * doc/install/installing-gcc.rst: Likewise.	2022-11-09 15:38:47 +01:00
Richard Biener	837be6c7cf	tree-optimization/84646 - remove premature thread path rejection ... This removes a premature rejection that's done later in a different way. PR tree-optimization/84646 * tree-ssa-threadbackward.cc (back_threader::maybe_register_path): Remove premature cycle rejection.	2022-11-09 14:51:00 +01:00
Martin Liska	3ed1b4ce7c	sphinx: add missing trailing newline ... All files are supposed to end with a newline, fix that. 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Martin Liska	a305ac87b4	docs: fix: WARNING: Parsing of expression failed. Using fallback parser. ... For the future, we can use https://sphinx-fortran.readthedocs.io/ for Fortran functions which can have optional arguments. However, it's an additional dependency. Simplify the function declration. gcc/fortran/ChangeLog: * doc/gfortran/intrinsic-procedures/aint.rst: Simplify function declaration. * doc/gfortran/intrinsic-procedures/int.rst: Likewise. * doc/gfortran/intrinsic-procedures/anint.rst: Likewise. * doc/gfortran/intrinsic-procedures/char.rst: Likewise. * doc/gfortran/intrinsic-procedures/real.rst: Likewise.	2022-11-09 13:56:33 +01:00
Martin Liska	9c3bc55799	sphinx: update diagnostics URLs ... gcc/ChangeLog: * opts.cc (get_option_html_page): Port to sphinx URLs. (get_option_url): Likewise. (test_get_option_html_page): Likewise.	2022-11-09 13:10:41 +01:00
Jakub Jelinek	d943927ff8	Fix up foperator_abs::op1_range [PR107569] ... foperator_abs::op1_range works except for the NaN handling, from: [frange] double [-Inf, 1.79769313486231570814527423731704356798070567525844996599e+308 (0x0.fffffffffffff8p+1024)] lhs it computes r [frange] double [-1.79769313486231570814527423731704356798070567525844996599e+308 (-0x0.fffffffffffff8p+1024), 1.79769313486231570814527423731704356798070567525844996599e+308 +(0x0.fffffffffffff8p+1024)] +-NAN which is correct except for the +-NAN part. For r before the final step it makes sure to add -NAN if there is +NAN in the lhs range, but the final r.union_ makes it unconditional +-NAN, because the frange ctor sets +-NAN. So, I think we need to clear it (or have some set variant which says not to set NAN). This patch fixes that, but isn't enough to fix the PR, something in the assumptions handling is still broken (and the PR has other parts). 2022-11-09 Jakub Jelinek <jakub@redhat.com> PR tree-optimization/107569 * range-op-float.cc (foperator_abs::op1_range): Clear NaNs from the negatives frange before unioning it into r.	2022-11-09 13:07:32 +01:00
Martin Liska	d05a423c1e	sphinx: update crontab with new script ... maintainer-scripts/ChangeLog: * crontab: Use new script for documentation of master branch.	2022-11-09 12:37:20 +01:00
Eric Botcazou	50ebb5e611	Add guality testcase for RTL alias analysis fix ... gcc/testsuite/ * gcc.dg/guality/param-6.c: New test.	2022-11-09 12:30:45 +01:00
Martin Liska	8d7a55b7f4	sphinx: simplify default in baseconf.py. ... ChangeLog: * doc/baseconf.py: Simplify BUGURL and VERSION_PACKAGE, provide a default. maintainer-scripts/ChangeLog: * update_web_docs_git.py: Simplify.	2022-11-09 11:52:13 +01:00
Jakub Jelinek	05119c3457	c++: Minimal handling of carries_dependency attribute ... A comment in D2552R1: "The only questionable (but still conforming) case we found was [[carries_dependency(some_argument)]] on GCC, where the emitted diagnostic said that the carries_dependency attribute is not supported, but did not specifically call out the syntax error in the argument clause." made me try the following patch, where we'll error at least for arguments to the attribute and for some uses of the attribute appertaining to something not mentioned in the standard warn with different diagnostics (or should that be an error?; clang++ does that, but I think we never do for any attribute, standard or not). The diagnostics on toplevel attribute declaration is still an attribute ignored warning and on empty statement different wording. The paper additionally mentions struct X { [[nodiscard]]; }; // no diagnostic on GCC and 2 cases of missing diagnostics on [[fallthrough]] (guess I should file a PR about those; one problem is that do { ... } while (0); there is replaced during genericization just by ... and another that [[fallthrough]] there is followed by a label, but not user/case/default label, but an artificial one created from while loop genericization. 2022-11-09 Jakub Jelinek <jakub@redhat.com> * tree.cc (handle_carries_dependency_attribute): New function. (std_attribute_table): Add carries_dependency attribute. * parser.cc (cp_parser_check_std_attribute): Add carries_dependency attribute. * g++.dg/cpp0x/attr-carries_dependency1.C: New test.	2022-11-09 11:39:22 +01:00
Jakub Jelinek	cecc039fbb	testsuite: Fix up pr107541.c test ... The test fails when long is 32-bit rather than 64-bit (say x86_64 with RUNTESTFLAGS='--target_board=unix\{-m32,-m64\} tree-ssa.exp=pr107541.c' ). I've tweaked it to use long long so it passes even on the 32-bit targets, and added an early out for weirdo targets because I think the test assumes the usual 1/2/4/8 bytes sizes for char/short/int/long long. 2022-11-09 Jakub Jelinek <jakub@redhat.com> PR tree-optimization/107541 * gcc.dg/tree-ssa/pr107541.c (c): Use long long type rather than long. (main): Punt if sizeof short isn't 2, or int 4, or long long 8.	2022-11-09 11:37:58 +01:00
Martin Liska	79f1313608	avr: sphinx: port gen-avr-mmcu to RST ... gcc/ChangeLog: * Makefile.in: Add vpath default for .rst files. * config/avr/avr-devices.cc: For port RST. * config/avr/avr-mcus.def: Update path. * config/avr/gen-avr-mmcu-texi.cc: Moved to... * config/avr/gen-avr-mmcu-rst.cc: ...here. * config/avr/t-avr: Update to rst. * doc/gcc/gcc-command-options/machine-dependent-options/avr-mmcu.rst: Re-generate.	2022-11-09 11:05:56 +01:00
Philipp Tomsich	e7c8f5005b	RISC-V: costs: handle BSWAP ... The BSWAP operation is not handled in rtx_costs. Add it. With Zbb, BSWAP for XLEN is a single instruction; for smaller modes, it will expand into two. gcc/ChangeLog: * config/riscv/riscv.cc (riscv_rtx_costs): Add BSWAP.	2022-11-09 10:31:48 +01:00
Xi Ruoyao	d699d32f47	LoongArch: fix signed overflow in loongarch_emit_int_compare ... Signed overflow is an undefined behavior, so we need to prevent it from happening, instead of "checking" the result. gcc/ChangeLog: * config/loongarch/loongarch.cc (loongarch_emit_int_compare): Avoid signed overflow.	2022-11-09 17:11:23 +08:00
Martin Liska	1f9c79367e	sphinx: fix building if sphinx-build is missing ... libgomp/ChangeLog: * Makefile.in: Build info pages conditionally. libitm/ChangeLog: * Makefile.in: Build info pages conditionally. libquadmath/ChangeLog: * Makefile.in: Build info pages conditionally.	2022-11-09 10:08:02 +01:00
Aldy Hernandez	4287e8168f	Implement op[12]_range operators for PLUS_EXPR and MINUS_EXPR. ... We can implement the op[12]_range entries for plus and minus in terms of each other. These are adapted from the integer versions. gcc/ChangeLog: * range-op-float.cc (foperator_plus::op1_range): New. (foperator_plus::op2_range): New. (foperator_minus::op1_range): New. (foperator_minus::op2_range): New.	2022-11-09 10:03:12 +01:00
Martin Liska	6373b1fdf7	sphinx: add update_web_docs_git.py script ... maintainer-scripts/ChangeLog: * update_web_docs_git.py: New file.	2022-11-09 09:33:17 +01:00
Martin Liska	e5821d3f62	sphinx: support installation if sphinx-build is missing ... gcc/ChangeLog: * Makefile.in: Support installation if sphinx-build is missing. gcc/ada/ChangeLog: * gcc-interface/Make-lang.in: Support installation if sphinx-build is missing. gcc/cp/ChangeLog: * Make-lang.in: Support installation if sphinx-build is missing. gcc/d/ChangeLog: * Make-lang.in: Support installation if sphinx-build is missing. gcc/fortran/ChangeLog: * Make-lang.in: Support installation if sphinx-build is missing. gcc/go/ChangeLog: * Make-lang.in: Support installation if sphinx-build is missing. Support installation if sphinx-build is missing. gcc/jit/ChangeLog: * Make-lang.in: Support installation if sphinx-build is missing.	2022-11-09 09:00:36 +01:00
Martin Liska	8857a1e350	sphinx: sync latest changes ... gcc/ChangeLog: * doc/gccint/target-macros/stack-layout-and-calling-conventions/passing-arguments-in-registers.rst: Port to RST. * doc/gccint/target-macros/storage-layout.rst: Likewise. * doc/gcc/gcc-command-options/machine-dependent-options/x86-options.rst: Sync with master. * doc/gcc/gcc-command-options/option-summary.rst: Likewise.	2022-11-09 09:00:36 +01:00
Martin Liska	66f55038a4	sphinx: do not use tm.rst.in with empty content ... gcc/ChangeLog: * doc/gccint/target-macros/defining-the-output-assembler-language/assembler-commands-for-exception-regions.rst: Do not include tm.rst.in. * doc/gccint/target-macros/defining-the-output-assembler-language/the-overall-framework-of-an-assembler-file.rst: Likewise. * doc/gccint/target-macros/run-time-target-specification.rst: Likewise.	2022-11-09 09:00:36 +01:00
Martin Liska	7231864243	sphinx: fix cross manual references ... gcc/ada/ChangeLog: * doc/gnat_rm/index.rst: Fix cross manual refs. gcc/ChangeLog: * doc/gcc/gcc-command-options/options-controlling-the-kind-of-output.rst: Fix cross manual refs. * doc/gcc/language-standards-supported-by-gcc/references-for-other-languages.rst: Likewise. gcc/jit/ChangeLog: * doc/internals/index.rst: Fix cross manual refs. * doc/topics/contexts.rst: Likewise.	2022-11-09 09:00:36 +01:00
Martin Liska	1f5a932e89	sphinx: add --with-sphinx-build ... gcc/ChangeLog: * Makefile.in: Support --with-sphinx-build. * configure.ac: * configure: Regenerate. gcc/ada/ChangeLog: * gcc-interface/Make-lang.in: Support --with-sphinx-build. gcc/d/ChangeLog: * Make-lang.in: Support --with-sphinx-build. gcc/fortran/ChangeLog: * Make-lang.in: Support --with-sphinx-build. gcc/go/ChangeLog: * Make-lang.in: Support --with-sphinx-build. gcc/jit/ChangeLog: * Make-lang.in: Support --with-sphinx-build. libgomp/ChangeLog: * Makefile.in: Support --with-sphinx-build. * configure.ac: Likewise.. * configure: Regenerate. libiberty/ChangeLog: * Makefile.in: Support --with-sphinx-build. * configure.ac: Likewise. * configure: Regenerate. libitm/ChangeLog: * Makefile.in: Support --with-sphinx-build. * configure.ac: Likewise. * configure: Regenerate. libquadmath/ChangeLog: * Makefile.in: Support --with-sphinx-build. * configure.ac: Likewise. * configure: Regenerate.	2022-11-09 09:00:36 +01:00
Martin Liska	c0eb1a3b7c	sphinx: use proper lexers for target macros ... gcc/ChangeLog: * target.def: Use proper lexers for target macros. * doc/gccint/target-macros/tm.rst.in: Re-generate.	2022-11-09 09:00:36 +01:00
Martin Liska	0a54351595	sphinx: ada: port to Sphinx ... gcc/ada/ChangeLog: * doc/gnat-style.rst: Moved to... * doc/gnat-style/index.rst: ...here. * doc/gnat_rm.rst: Moved to... * doc/gnat_rm/index.rst: ...here. * doc/gnat_ugn.rst: Moved to... * doc/gnat_ugn/index.rst: ...here. * doc/share/latex_elements.py: Moved to... * doc/share/ada_latex_elements.py: ...here. * gcc-interface/Make-lang.in: * doc/Makefile: Removed. * doc/share/conf.py: Removed. * doc/share/gnu_free_documentation_license.rst: Removed. * gnat-style.texi: Removed. * gnat_rm.texi: Removed. * gnat_ugn.texi: Removed. * doc/gnat-style/conf.py: New file. * doc/gnat-style/gnu_free_documentation_license.rst: New file. * doc/gnat_rm/conf.py: New file. * doc/gnat_rm/gnu_free_documentation_license.rst: New file. * doc/gnat_ugn/conf.py: New file. * doc/gnat_ugn/gnu_free_documentation_license.rst: New file. * doc/share/adabaseconf.py: New file. * doc/gnat_rm/security_hardening_features.rst: Add role. * doc/gnat_ugn/platform_specific_information.rst: Remove duplicate definition of |nbsp|.	2022-11-09 09:00:36 +01:00
Martin Liska	94246daa3e	sphinx: jit: port libgccjit to shared Sphinx ... gcc/jit/ChangeLog: * Make-lang.in: * docs/cp/index.rst: Moved to... * doc/cp/index.rst: ...here. * docs/cp/intro/index.rst: Moved to... * doc/cp/intro/index.rst: ...here. * docs/cp/intro/tutorial01.rst: Moved to... * doc/cp/intro/tutorial01.rst: ...here. * docs/cp/intro/tutorial02.rst: Moved to... * doc/cp/intro/tutorial02.rst: ...here. * docs/cp/intro/tutorial03.rst: Moved to... * doc/cp/intro/tutorial03.rst: ...here. * docs/cp/intro/tutorial04.rst: Moved to... * doc/cp/intro/tutorial04.rst: ...here. * docs/cp/topics/asm.rst: Moved to... * doc/cp/topics/asm.rst: ...here. * docs/cp/topics/compilation.rst: Moved to... * doc/cp/topics/compilation.rst: ...here. * docs/cp/topics/contexts.rst: Moved to... * doc/cp/topics/contexts.rst: ...here. * docs/cp/topics/expressions.rst: Moved to... * doc/cp/topics/expressions.rst: ...here. * docs/cp/topics/functions.rst: Moved to... * doc/cp/topics/functions.rst: ...here. * docs/cp/topics/index.rst: Moved to... * doc/cp/topics/index.rst: ...here. * docs/cp/topics/locations.rst: Moved to... * doc/cp/topics/locations.rst: ...here. * docs/cp/topics/objects.rst: Moved to... * doc/cp/topics/objects.rst: ...here. * docs/cp/topics/types.rst: Moved to... * doc/cp/topics/types.rst: ...here. * docs/examples/emit-alphabet.bf: Moved to... * doc/examples/emit-alphabet.bf: ...here. * docs/examples/tut01-hello-world.c: Moved to... * doc/examples/tut01-hello-world.c: ...here. * docs/examples/tut01-hello-world.cc: Moved to... * doc/examples/tut01-hello-world.cc: ...here. * docs/examples/tut02-square.c: Moved to... * doc/examples/tut02-square.c: ...here. * docs/examples/tut02-square.cc: Moved to... * doc/examples/tut02-square.cc: ...here. * docs/examples/tut03-sum-of-squares.c: Moved to... * doc/examples/tut03-sum-of-squares.c: ...here. * docs/examples/tut03-sum-of-squares.cc: Moved to... * doc/examples/tut03-sum-of-squares.cc: ...here. * docs/examples/tut04-toyvm/Makefile: Moved to... * doc/examples/tut04-toyvm/Makefile: ...here. * docs/examples/tut04-toyvm/factorial.toy: Moved to... * doc/examples/tut04-toyvm/factorial.toy: ...here. * docs/examples/tut04-toyvm/fibonacci.toy: Moved to... * doc/examples/tut04-toyvm/fibonacci.toy: ...here. * docs/examples/tut04-toyvm/toyvm.c: Moved to... * doc/examples/tut04-toyvm/toyvm.c: ...here. * docs/examples/tut04-toyvm/toyvm.cc: Moved to... * doc/examples/tut04-toyvm/toyvm.cc: ...here. * docs/examples/tut05-bf.c: Moved to... * doc/examples/tut05-bf.c: ...here. * docs/index.rst: Moved to... * doc/index.rst: ...here. * docs/internals/index.rst: Moved to... * doc/internals/index.rst: ...here. * docs/internals/test-hello-world.exe.log.txt: Moved to... * doc/internals/test-hello-world.exe.log.txt: ...here. * docs/_build/texinfo/libgccjit-figures/factorial.png: Moved to... * doc/intro/factorial.png: ...here. * docs/intro/index.rst: Moved to... * doc/intro/index.rst: ...here. * docs/_build/texinfo/libgccjit-figures/sum-of-squares.png: Moved to... * doc/intro/sum-of-squares.png: ...here. * docs/intro/tutorial01.rst: Moved to... * doc/intro/tutorial01.rst: ...here. * docs/intro/tutorial02.rst: Moved to... * doc/intro/tutorial02.rst: ...here. * docs/intro/tutorial03.rst: Moved to... * doc/intro/tutorial03.rst: ...here. * docs/intro/tutorial04.rst: Moved to... * doc/intro/tutorial04.rst: ...here. * docs/intro/tutorial05.rst: Moved to... * doc/intro/tutorial05.rst: ...here. * docs/topics/asm.rst: Moved to... * doc/topics/asm.rst: ...here. * docs/topics/compatibility.rst: Moved to... * doc/topics/compatibility.rst: ...here. * docs/topics/compilation.rst: Moved to... * doc/topics/compilation.rst: ...here. * docs/topics/contexts.rst: Moved to... * doc/topics/contexts.rst: ...here. * docs/topics/expressions.rst: Moved to... * doc/topics/expressions.rst: ...here. * docs/topics/function-pointers.rst: Moved to... * doc/topics/function-pointers.rst: ...here. * docs/topics/functions.rst: Moved to... * doc/topics/functions.rst: ...here. * docs/topics/index.rst: Moved to... * doc/topics/index.rst: ...here. * docs/topics/locations.rst: Moved to... * doc/topics/locations.rst: ...here. * docs/topics/objects.rst: Moved to... * doc/topics/objects.rst: ...here. * docs/topics/performance.rst: Moved to... * doc/topics/performance.rst: ...here. * docs/topics/types.rst: Moved to... * doc/topics/types.rst: ...here. * docs/Makefile: Removed. * docs/_build/texinfo/Makefile: Removed. * docs/_build/texinfo/libgccjit-figures/factorial1.png: Removed. * docs/_build/texinfo/libgccjit-figures/sum-of-squares1.png: Removed. * docs/_build/texinfo/libgccjit.texi: Removed. * docs/conf.py: Removed. * docs/intro/factorial.png: Removed. * docs/intro/sum-of-squares.png: Removed. * doc/conf.py: New file.	2022-11-09 09:00:36 +01:00
Martin Liska	54ca4eef58	sphinx: remove texinfo files ... gcc/d/ChangeLog: * gdc.texi: Removed. gcc/ChangeLog: * doc/analyzer.texi: Removed. * doc/avr-mmcu.texi: Removed. * doc/bugreport.texi: Removed. * doc/cfg.texi: Removed. * doc/collect2.texi: Removed. * doc/compat.texi: Removed. * doc/configfiles.texi: Removed. * doc/configterms.texi: Removed. * doc/contrib.texi: Removed. * doc/contribute.texi: Removed. * doc/cpp.texi: Removed. * doc/cppdiropts.texi: Removed. * doc/cppenv.texi: Removed. * doc/cppinternals.texi: Removed. * doc/cppopts.texi: Removed. * doc/cppwarnopts.texi: Removed. * doc/extend.texi: Removed. * doc/fragments.texi: Removed. * doc/frontends.texi: Removed. * doc/gcc.texi: Removed. * doc/gccint.texi: Removed. * doc/gcov-dump.texi: Removed. * doc/gcov-tool.texi: Removed. * doc/gcov.texi: Removed. * doc/generic.texi: Removed. * doc/gimple.texi: Removed. * doc/gnu.texi: Removed. * doc/gty.texi: Removed. * doc/headerdirs.texi: Removed. * doc/hostconfig.texi: Removed. * doc/implement-c.texi: Removed. * doc/implement-cxx.texi: Removed. * doc/include/fdl.texi: Removed. * doc/include/funding.texi: Removed. * doc/include/gcc-common.texi: Removed. * doc/include/gpl_v3.texi: Removed. * doc/install.texi: Removed. * doc/interface.texi: Removed. * doc/invoke.texi: Removed. * doc/languages.texi: Removed. * doc/libgcc.texi: Removed. * doc/loop.texi: Removed. * doc/lto-dump.texi: Removed. * doc/lto.texi: Removed. * doc/makefile.texi: Removed. * doc/match-and-simplify.texi: Removed. * doc/md.texi: Removed. * doc/objc.texi: Removed. * doc/optinfo.texi: Removed. * doc/options.texi: Removed. * doc/passes.texi: Removed. * doc/plugins.texi: Removed. * doc/poly-int.texi: Removed. * doc/portability.texi: Removed. * doc/rtl.texi: Removed. * doc/service.texi: Removed. * doc/sourcebuild.texi: Removed. * doc/standards.texi: Removed. * doc/tm.texi: Removed. * doc/tree-ssa.texi: Removed. * doc/trouble.texi: Removed. * doc/ux.texi: Removed. * doc/tm.texi.in: Removed. gcc/fortran/ChangeLog: * gfc-internals.texi: Removed. * gfortran.texi: Removed. * intrinsic.texi: Removed. * invoke.texi: Removed. gcc/go/ChangeLog: * gccgo.texi: Removed. libgomp/ChangeLog: * libgomp.texi: Removed. libiberty/ChangeLog: * at-file.texi: Removed. * copying-lib.texi: Removed. * functions.texi: Removed. * libiberty.texi: Removed. * obstacks.texi: Removed. libitm/ChangeLog: * libitm.texi: Removed. libquadmath/ChangeLog: * libquadmath.texi: Removed.	2022-11-09 09:00:35 +01:00
Martin Liska	564a805f9f	sphinx: add tm.rst.in ... gcc/ChangeLog: * doc/gccint/target-macros/tm.rst.in: New file.	2022-11-09 09:00:35 +01:00
Martin Liska	41a45cba00	sphinx: support Sphinx in build system ... config/ChangeLog: * acx.m4: Do not wrap REPORT_BUGS_TO. ChangeLog: * configure: Regenerate. * configure.ac: Support Sphinx based documentation. gcc/ChangeLog: * Makefile.in: Support Sphinx based documentation. * configure: Regenerate. * configure.ac: Support Sphinx based documentation. * genhooks.cc (struct s_hook): Emit tm.rst.in file. gcc/cp/ChangeLog: * Make-lang.in: Support Sphinx based documentation. gcc/d/ChangeLog: * Make-lang.in: Support Sphinx based documentation. gcc/fortran/ChangeLog: * Make-lang.in: Support Sphinx based documentation. gcc/go/ChangeLog: * Make-lang.in: Support Sphinx based documentation. libgomp/ChangeLog: * Makefile.in: Support Sphinx based documentation. libiberty/ChangeLog: * Makefile.in: Support Sphinx based documentation. libitm/ChangeLog: * Makefile.in: Support Sphinx based documentation. libquadmath/ChangeLog: * Makefile.in: Support Sphinx based documentation.	2022-11-09 09:00:35 +01:00
Martin Liska	8f2b513c28	sphinx: use tm.rst.in file in target macros ... gcc/ChangeLog: * doc/gccint/target-macros/adding-support-for-named-address-spaces.rst: Use tm.rst.in file. * doc/gccint/target-macros/addressing-modes.rst: Likewise. * doc/gccint/target-macros/adjusting-the-instruction-scheduler.rst: Likewise. * doc/gccint/target-macros/anchored-addresses.rst: Likewise. * doc/gccint/target-macros/c++-abi-parameters.rst: Likewise. * doc/gccint/target-macros/condition-code-status.rst: Likewise. * doc/gccint/target-macros/controlling-debugging-information-format.rst: Likewise. * doc/gccint/target-macros/controlling-the-compilation-driver-gcc.rst: Likewise. * doc/gccint/target-macros/d-abi-parameters.rst: Likewise. * doc/gccint/target-macros/defining-target-specific-uses-of-attribute.rst: Likewise. * doc/gccint/target-macros/defining-the-output-assembler-language/assembler-commands-for-exception-regions.rst: Likewise. * doc/gccint/target-macros/defining-the-output-assembler-language/macros-controlling-initialization-routines.rst: Likewise. * doc/gccint/target-macros/defining-the-output-assembler-language/output-and-generation-of-labels.rst: Likewise. * doc/gccint/target-macros/defining-the-output-assembler-language/output-of-assembler-instructions.rst: Likewise. * doc/gccint/target-macros/defining-the-output-assembler-language/output-of-data.rst: Likewise. * doc/gccint/target-macros/defining-the-output-assembler-language/output-of-dispatch-tables.rst: Likewise. * doc/gccint/target-macros/defining-the-output-assembler-language/the-overall-framework-of-an-assembler-file.rst: Likewise. * doc/gccint/target-macros/describing-relative-costs-of-operations.rst: Likewise. * doc/gccint/target-macros/dividing-the-output-into-sections-texts-data.rst: Likewise. * doc/gccint/target-macros/emulating-tls.rst: Likewise. * doc/gccint/target-macros/implementing-the-varargs-macros.rst: Likewise. * doc/gccint/target-macros/implicit-calls-to-library-routines.rst: Likewise. * doc/gccint/target-macros/layout-of-source-language-data-types.rst: Likewise. * doc/gccint/target-macros/miscellaneous-parameters.rst: Likewise. * doc/gccint/target-macros/mode-switching-instructions.rst: Likewise. * doc/gccint/target-macros/parameters-for-precompiled-header-validity-checking.rst: Likewise. * doc/gccint/target-macros/register-classes.rst: Likewise. * doc/gccint/target-macros/register-usage.rst: Likewise. * doc/gccint/target-macros/run-time-target-specification.rst: Likewise. * doc/gccint/target-macros/stack-layout-and-calling-conventions/basic-stack-layout.rst: Likewise. * doc/gccint/target-macros/stack-layout-and-calling-conventions/eliminating-frame-pointer-and-arg-pointer.rst: Likewise. * doc/gccint/target-macros/stack-layout-and-calling-conventions/function-entry-and-exit.rst: Likewise. * doc/gccint/target-macros/stack-layout-and-calling-conventions/generating-code-for-profiling.rst: Likewise. * doc/gccint/target-macros/stack-layout-and-calling-conventions/how-large-values-are-returned.rst: Likewise. * doc/gccint/target-macros/stack-layout-and-calling-conventions/how-scalar-function-values-are-returned.rst: Likewise. * doc/gccint/target-macros/stack-layout-and-calling-conventions/miscellaneous-register-hooks.rst: Likewise. * doc/gccint/target-macros/stack-layout-and-calling-conventions/passing-arguments-in-registers.rst: Likewise. * doc/gccint/target-macros/stack-layout-and-calling-conventions/passing-function-arguments-on-the-stack.rst: Likewise. * doc/gccint/target-macros/stack-layout-and-calling-conventions/permitting-tail-calls.rst: Likewise. * doc/gccint/target-macros/stack-layout-and-calling-conventions/registers-that-address-the-stack-frame.rst: Likewise. * doc/gccint/target-macros/stack-layout-and-calling-conventions/shrink-wrapping-separate-components.rst: Likewise. * doc/gccint/target-macros/stack-layout-and-calling-conventions/specifying-how-stack-checking-is-done.rst: Likewise. * doc/gccint/target-macros/stack-layout-and-calling-conventions/stack-smashing-protection.rst: Likewise. * doc/gccint/target-macros/storage-layout.rst: Likewise. * doc/gccint/target-macros/support-for-nested-functions.rst: Likewise.	2022-11-09 09:00:35 +01:00
Martin Liska	c8874c5e8a	sphinx: port .def files to RST ... gcc/c-family/ChangeLog: * c-target.def: Port to RST. gcc/ChangeLog: * common/common-target.def: Port to RST. * target.def: Port to RST. gcc/d/ChangeLog: * d-target.def: Port to RST.	2022-11-09 09:00:35 +01:00
Martin Liska	8dc319eb49	sphinx: update baseconf.py file ... ChangeLog: * doc/baseconf.py: Port to GCC sources.	2022-11-09 09:00:35 +01:00
Martin Liska	c63539ffe4	sphinx: copy files from texi2rst-generated repository ... ChangeLog: * doc/Makefile: New file. * doc/_static/custom.css: New file. * doc/baseconf.py: New file. * doc/bsd.rst: New file. * doc/contrib.rst: New file. * doc/contribute.rst: New file. * doc/cppdiropts.rst: New file. * doc/cppenv.rst: New file. * doc/cppopts.rst: New file. * doc/cppwarnopts.rst: New file. * doc/favicon.ico: New file. * doc/funding.rst: New file. * doc/gcc_sphinx.py: New file. * doc/gnu.rst: New file. * doc/gnu_free_documentation_license.rst: New file. * doc/gpl-3.0.rst: New file. * doc/indices-and-tables.rst: New file. * doc/lgpl-2.1.rst: New file. * doc/logo.pdf: New file. * doc/logo.svg: New file. * doc/md.rst: New file. * doc/requirements.txt: New file. gcc/d/ChangeLog: * doc/conf.py: New file. * doc/copyright.rst: New file. * doc/general-public-license-3.rst: New file. * doc/gnu-free-documentation-license.rst: New file. * doc/index.rst: New file. * doc/indices-and-tables.rst: New file. * doc/invoking-gdc.rst: New file. * doc/invoking-gdc/code-generation.rst: New file. * doc/invoking-gdc/developer-options.rst: New file. * doc/invoking-gdc/input-and-output-files.rst: New file. * doc/invoking-gdc/options-for-directory-search.rst: New file. * doc/invoking-gdc/options-for-linking.rst: New file. * doc/invoking-gdc/runtime-options.rst: New file. * doc/invoking-gdc/warnings.rst: New file. gcc/ChangeLog: * doc/cpp/character-sets.rst: New file. * doc/cpp/conditional-syntax.rst: New file. * doc/cpp/conditional-uses.rst: New file. * doc/cpp/conditionals.rst: New file. * doc/cpp/conf.py: New file. * doc/cpp/copyright.rst: New file. * doc/cpp/deleted-code.rst: New file. * doc/cpp/diagnostics.rst: New file. * doc/cpp/environment-variables.rst: New file. * doc/cpp/gnu-free-documentation-license.rst: New file. * doc/cpp/header-files.rst: New file. * doc/cpp/header-files/alternatives-to-wrapper-ifndef.rst: New file. * doc/cpp/header-files/computed-includes.rst: New file. * doc/cpp/header-files/include-operation.rst: New file. * doc/cpp/header-files/include-syntax.rst: New file. * doc/cpp/header-files/once-only-headers.rst: New file. * doc/cpp/header-files/search-path.rst: New file. * doc/cpp/header-files/system-headers.rst: New file. * doc/cpp/header-files/wrapper-headers.rst: New file. * doc/cpp/implementation-defined-behavior.rst: New file. * doc/cpp/implementation-details.rst: New file. * doc/cpp/implementation-limits.rst: New file. * doc/cpp/index.rst: New file. * doc/cpp/indices-and-tables.rst: New file. * doc/cpp/initial-processing.rst: New file. * doc/cpp/invocation.rst: New file. * doc/cpp/line-control.rst: New file. * doc/cpp/macros.rst: New file. * doc/cpp/macros/concatenation.rst: New file. * doc/cpp/macros/directives-within-macro-arguments.rst: New file. * doc/cpp/macros/function-like-macros.rst: New file. * doc/cpp/macros/macro-arguments.rst: New file. * doc/cpp/macros/macro-pitfalls.rst: New file. * doc/cpp/macros/object-like-macros.rst: New file. * doc/cpp/macros/predefined-macros.rst: New 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doc/gcc/c-implementation-defined-behavior/arrays-and-pointers.rst: New file. * doc/gcc/c-implementation-defined-behavior/characters.rst: New file. * doc/gcc/c-implementation-defined-behavior/declarators.rst: New file. * doc/gcc/c-implementation-defined-behavior/environment.rst: New file. * doc/gcc/c-implementation-defined-behavior/floating-point.rst: New file. * doc/gcc/c-implementation-defined-behavior/hints.rst: New file. * doc/gcc/c-implementation-defined-behavior/identifiers.rst: New file. * doc/gcc/c-implementation-defined-behavior/integers.rst: New file. * doc/gcc/c-implementation-defined-behavior/library-functions.rst: New file. * doc/gcc/c-implementation-defined-behavior/locale-specific-behavior.rst: New file. * doc/gcc/c-implementation-defined-behavior/preprocessing-directives.rst: New file. * doc/gcc/c-implementation-defined-behavior/qualifiers.rst: New file. * doc/gcc/c-implementation-defined-behavior/statements.rst: New file. * doc/gcc/c-implementation-defined-behavior/structures-unions-enumerations-and-bit-fields.rst: New file. * doc/gcc/c-implementation-defined-behavior/translation.rst: New file. * doc/gcc/conditionally-supported-behavior.rst: New file. * doc/gcc/conf.py: New file. * doc/gcc/contributing-to-gcc-development.rst: New file. * doc/gcc/contributors-to-gcc.rst: New file. * doc/gcc/copyright.rst: New file. * doc/gcc/exception-handling.rst: New file. * doc/gcc/extensions-to-the-c++-language.rst: New file. * doc/gcc/extensions-to-the-c++-language/backwards-compatibility.rst: New file. * doc/gcc/extensions-to-the-c++-language/c++-concepts.rst: New file. * doc/gcc/extensions-to-the-c++-language/c++-interface-and-implementation-pragmas.rst: New file. * doc/gcc/extensions-to-the-c++-language/c++-specific-variable-function-and-type-attributes.rst: New file. * doc/gcc/extensions-to-the-c++-language/deprecated-features.rst: New file. * doc/gcc/extensions-to-the-c++-language/extracting-the-function-pointer-from-a-bound-pointer-to-member-function.rst: New file. * doc/gcc/extensions-to-the-c++-language/function-multiversioning.rst: New file. * doc/gcc/extensions-to-the-c++-language/restricting-pointer-aliasing.rst: New file. * doc/gcc/extensions-to-the-c++-language/type-traits.rst: New file. * doc/gcc/extensions-to-the-c++-language/vague-linkage.rst: New file. * doc/gcc/extensions-to-the-c++-language/when-is-a-volatile-c++-object-accessed.rst: New file. * doc/gcc/extensions-to-the-c++-language/wheres-the-template.rst: New file. * doc/gcc/extensions-to-the-c-language-family.rst: New file. * doc/gcc/extensions-to-the-c-language-family/128-bit-integers.rst: New file. * doc/gcc/extensions-to-the-c-language-family/additional-floating-types.rst: New file. * doc/gcc/extensions-to-the-c-language-family/alternate-keywords.rst: New file. * doc/gcc/extensions-to-the-c-language-family/an-inline-function-is-as-fast-as-a-macro.rst: New file. * doc/gcc/extensions-to-the-c-language-family/arithmetic-on-void-and-function-pointers.rst: New file. * doc/gcc/extensions-to-the-c-language-family/arrays-of-length-zero.rst: New file. * doc/gcc/extensions-to-the-c-language-family/arrays-of-variable-length.rst: New file. * doc/gcc/extensions-to-the-c-language-family/attribute-syntax.rst: New file. * doc/gcc/extensions-to-the-c-language-family/binary-constants-using-the-0b-prefix.rst: New file. * doc/gcc/extensions-to-the-c-language-family/built-in-functions-for-memory-model-aware-atomic-operations.rst: New file. * doc/gcc/extensions-to-the-c-language-family/built-in-functions-to-perform-arithmetic-with-overflow-checking.rst: New file. * doc/gcc/extensions-to-the-c-language-family/c++-style-comments.rst: New file. * doc/gcc/extensions-to-the-c-language-family/case-ranges.rst: New file. * doc/gcc/extensions-to-the-c-language-family/cast-to-a-union-type.rst: New file. * doc/gcc/extensions-to-the-c-language-family/complex-numbers.rst: New file. * doc/gcc/extensions-to-the-c-language-family/compound-literals.rst: New file. * doc/gcc/extensions-to-the-c-language-family/conditionals-with-omitted-operands.rst: New file. * doc/gcc/extensions-to-the-c-language-family/constructing-function-calls.rst: New file. * doc/gcc/extensions-to-the-c-language-family/decimal-floating-types.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/aarch64-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/amd-gcn-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/arc-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/arm-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/avr-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/blackfin-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/bpf-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/c-sky-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/common-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/epiphany-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/h8-300-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/ia-64-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/m32c-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/m32r-d-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/m68k-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/mcore-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/mep-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/microblaze-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/microsoft-windows-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/mips-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/msp430-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/nds32-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/nios-ii-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/nvidia-ptx-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/powerpc-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/risc-v-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/rl78-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/rx-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/s-390-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/sh-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/symbian-os-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/v850-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/visium-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/x86-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/declaring-attributes-of-functions/xstormy16-function-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/designated-initializers.rst: New file. * doc/gcc/extensions-to-the-c-language-family/determining-the-alignment-of-functions-types-or-variables.rst: New file. * doc/gcc/extensions-to-the-c-language-family/dollar-signs-in-identifier-names.rst: New file. * doc/gcc/extensions-to-the-c-language-family/double-word-integers.rst: New file. * doc/gcc/extensions-to-the-c-language-family/enumerator-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/fixed-point-types.rst: New file. * doc/gcc/extensions-to-the-c-language-family/format-checks-specific-to-particular-target-machines.rst: New file. * doc/gcc/extensions-to-the-c-language-family/function-names-as-strings.rst: New file. * doc/gcc/extensions-to-the-c-language-family/getting-the-return-or-frame-address-of-a-function.rst: New file. * doc/gcc/extensions-to-the-c-language-family/half-precision-floating-point.rst: New file. * doc/gcc/extensions-to-the-c-language-family/hex-floats.rst: New file. * doc/gcc/extensions-to-the-c-language-family/how-to-use-inline-assembly-language-in-c-code.rst: New file. * doc/gcc/extensions-to-the-c-language-family/incomplete-enum-types.rst: New file. * doc/gcc/extensions-to-the-c-language-family/label-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/labels-as-values.rst: New file. * doc/gcc/extensions-to-the-c-language-family/legacy-sync-built-in-functions-for-atomic-memory-access.rst: New file. * doc/gcc/extensions-to-the-c-language-family/locally-declared-labels.rst: New file. * doc/gcc/extensions-to-the-c-language-family/macros-with-a-variable-number-of-arguments.rst: New file. * doc/gcc/extensions-to-the-c-language-family/mixed-declarations-labels-and-code.rst: New file. * doc/gcc/extensions-to-the-c-language-family/named-address-spaces.rst: New file. * doc/gcc/extensions-to-the-c-language-family/nested-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/non-constant-initializers.rst: New file. * doc/gcc/extensions-to-the-c-language-family/non-lvalue-arrays-may-have-subscripts.rst: New file. * doc/gcc/extensions-to-the-c-language-family/nonlocal-gotos.rst: New file. * doc/gcc/extensions-to-the-c-language-family/object-size-checking-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/other-built-in-functions-provided-by-gcc.rst: New file. * doc/gcc/extensions-to-the-c-language-family/pointer-arguments-in-variadic-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/pointers-to-arrays-with-qualifiers-work-as-expected.rst: New file. * doc/gcc/extensions-to-the-c-language-family/pragmas-accepted-by-gcc.rst: New file. * doc/gcc/extensions-to-the-c-language-family/prototypes-and-old-style-function-definitions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/referring-to-a-type-with-typeof.rst: New file. * doc/gcc/extensions-to-the-c-language-family/slightly-looser-rules-for-escaped-newlines.rst: New file. * doc/gcc/extensions-to-the-c-language-family/specifying-attributes-of-types.rst: New file. * doc/gcc/extensions-to-the-c-language-family/specifying-attributes-of-variables.rst: New file. * doc/gcc/extensions-to-the-c-language-family/statement-attributes.rst: New file. * doc/gcc/extensions-to-the-c-language-family/statements-and-declarations-in-expressions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/structures-with-no-members.rst: New file. * doc/gcc/extensions-to-the-c-language-family/support-for-offsetof.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/aarch64-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/alpha-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/altera-nios-ii-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/arc-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/arc-simd-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/arm-armv8-m-security-extensions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/arm-c-language-extensions-acle.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/arm-floating-point-status-and-control-intrinsics.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/arm-iwmmxt-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/avr-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/basic-powerpc-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/blackfin-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/bpf-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/fr-v-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/mips-dsp-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/mips-loongson-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/mips-paired-single-support.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/mips-simd-architecture-msa-support.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/msp430-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/nds32-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/other-mips-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/picochip-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/powerpc-altivec-vsx-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/powerpc-atomic-memory-operation-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/powerpc-hardware-transactional-memory-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/powerpc-matrix-multiply-assist-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/pru-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/risc-v-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/rx-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/s-390-system-z-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/sh-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/sparc-vis-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/ti-c6x-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/x86-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/x86-control-flow-protection-intrinsics.rst: New file. * doc/gcc/extensions-to-the-c-language-family/target-builtins/x86-transactional-memory-intrinsics.rst: New file. * doc/gcc/extensions-to-the-c-language-family/the-character-esc-in-constants.rst: New file. * doc/gcc/extensions-to-the-c-language-family/thread-local-storage.rst: New file. * doc/gcc/extensions-to-the-c-language-family/unnamed-structure-and-union-fields.rst: New file. * doc/gcc/extensions-to-the-c-language-family/using-vector-instructions-through-built-in-functions.rst: New file. * doc/gcc/extensions-to-the-c-language-family/when-is-a-volatile-object-accessed.rst: New file. * doc/gcc/extensions-to-the-c-language-family/x86-specific-memory-model-extensions-for-transactional-memory.rst: New file. * doc/gcc/funding.rst: New file. * doc/gcc/gcc-command-options.rst: New file. * doc/gcc/gcc-command-options/c++-modules.rst: New file. * doc/gcc/gcc-command-options/compiling-c++-programs.rst: New file. * doc/gcc/gcc-command-options/description.rst: New file. * doc/gcc/gcc-command-options/environment-variables-affecting-gcc.rst: New file. * doc/gcc/gcc-command-options/gcc-developer-options.rst: New file. * doc/gcc/gcc-command-options/machine-dependent-options.rst: New file. * doc/gcc/gcc-command-options/machine-dependent-options/aarch64-options.rst: New file. * 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doc/gcc/gcc-command-options/machine-dependent-options/vxworks-options.rst: New file. * doc/gcc/gcc-command-options/machine-dependent-options/x86-options.rst: New file. * doc/gcc/gcc-command-options/machine-dependent-options/x86-windows-options.rst: New file. * doc/gcc/gcc-command-options/machine-dependent-options/xstormy16-options.rst: New file. * doc/gcc/gcc-command-options/machine-dependent-options/xtensa-options.rst: New file. * doc/gcc/gcc-command-options/machine-dependent-options/zseries-options.rst: New file. * doc/gcc/gcc-command-options/option-summary.rst: New file. * doc/gcc/gcc-command-options/options-controlling-c++-dialect.rst: New file. * doc/gcc/gcc-command-options/options-controlling-c-dialect.rst: New file. * doc/gcc/gcc-command-options/options-controlling-objective-c-and-objective-c++-dialects.rst: New file. * doc/gcc/gcc-command-options/options-controlling-the-kind-of-output.rst: New file. * doc/gcc/gcc-command-options/options-controlling-the-preprocessor.rst: New 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doc/gccint/target-macros/defining-the-output-assembler-language/assembler-commands-for-exception-regions.rst: New file. * doc/gccint/target-macros/defining-the-output-assembler-language/how-initialization-functions-are-handled.rst: New file. * doc/gccint/target-macros/defining-the-output-assembler-language/macros-controlling-initialization-routines.rst: New file. * doc/gccint/target-macros/defining-the-output-assembler-language/output-and-generation-of-labels.rst: New file. * doc/gccint/target-macros/defining-the-output-assembler-language/output-of-assembler-instructions.rst: New file. * doc/gccint/target-macros/defining-the-output-assembler-language/output-of-data.rst: New file. * doc/gccint/target-macros/defining-the-output-assembler-language/output-of-dispatch-tables.rst: New file. * doc/gccint/target-macros/defining-the-output-assembler-language/output-of-uninitialized-variables.rst: New file. * 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doc/gccint/target-macros/run-time-target-specification.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/basic-stack-layout.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/caller-saves-register-allocation.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/eliminating-frame-pointer-and-arg-pointer.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/exception-handling-support.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/function-entry-and-exit.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/generating-code-for-profiling.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/how-large-values-are-returned.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/how-scalar-function-values-are-returned.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/miscellaneous-register-hooks.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/passing-arguments-in-registers.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/passing-function-arguments-on-the-stack.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/permitting-tail-calls.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/registers-that-address-the-stack-frame.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/shrink-wrapping-separate-components.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/specifying-how-stack-checking-is-done.rst: New file. * doc/gccint/target-macros/stack-layout-and-calling-conventions/stack-smashing-protection.rst: New file. * doc/gccint/target-macros/storage-layout.rst: New file. * doc/gccint/target-macros/support-for-nested-functions.rst: New file. * doc/gccint/target-macros/the-global-targetm-variable.rst: New file. * doc/gccint/target-makefile-fragments.rst: New file. * doc/gccint/testsuites.rst: New test. * doc/gccint/testsuites/ada-language-testsuites.rst: New test. * doc/gccint/testsuites/c-language-testsuites.rst: New test. * doc/gccint/testsuites/directives-used-within-dejagnu-tests.rst: New test. * doc/gccint/testsuites/directives-used-within-dejagnu-tests/commands-for-use-in-dg-final.rst: New test. * doc/gccint/testsuites/directives-used-within-dejagnu-tests/features-for-dg-add-options.rst: New test. * doc/gccint/testsuites/directives-used-within-dejagnu-tests/keywords-describing-target-attributes.rst: New test. * doc/gccint/testsuites/directives-used-within-dejagnu-tests/selecting-targets-to-which-a-test-applies.rst: New test. * 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doc/gccint/the-gcc-low-level-runtime-library/language-independent-routines-for-exception-handling.rst: New file. * doc/gccint/the-gcc-low-level-runtime-library/miscellaneous-runtime-library-routines.rst: New file. * doc/gccint/the-gcc-low-level-runtime-library/routines-for-decimal-floating-point-emulation.rst: New file. * doc/gccint/the-gcc-low-level-runtime-library/routines-for-fixed-point-fractional-emulation.rst: New file. * doc/gccint/the-gcc-low-level-runtime-library/routines-for-floating-point-emulation.rst: New file. * doc/gccint/the-gcc-low-level-runtime-library/routines-for-integer-arithmetic.rst: New file. * doc/gccint/the-language.rst: New file. * doc/gccint/user-experience-guidelines.rst: New file. * doc/install/binaries.rst: New file. * doc/install/building.rst: New file. * doc/install/building/building-a-cross-compiler.rst: New file. * doc/install/building/building-a-native-compiler.rst: New file. * doc/install/building/building-in-parallel.rst: New file. * doc/install/building/building-the-ada-compiler.rst: New file. * doc/install/building/building-the-d-compiler.rst: New file. * doc/install/building/building-with-profile-feedback.rst: New file. * doc/install/conf.py: New file. * doc/install/configuration.rst: New file. * doc/install/copyright.rst: New file. * doc/install/downloading-gcc.rst: New file. * doc/install/final-installation.rst: New file. * doc/install/gnu-free-documentation-license.rst: New file. * doc/install/host-target-specific-installation-notes-for-gcc.rst: New file. * doc/install/how-can-you-run-the-testsuite-on-selected-tests.rst: New test. * doc/install/how-to-interpret-test-results.rst: New file. * doc/install/index.rst: New file. * doc/install/indices-and-tables.rst: New file. * doc/install/installing-gcc.rst: New file. * doc/install/passing-options-and-running-multiple-testsuites.rst: New test. * doc/install/prerequisites.rst: New file. * doc/install/submitting-test-results.rst: New file. * doc/install/testing.rst: 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doc/gfortran/runtime/tmpdir.rst: New file. * doc/gfortran/standards.rst: New file. * doc/gfortran/type-and-enum-abi-documentation.rst: New file. gcc/go/ChangeLog: * doc/c-interoperability.rst: New file. * doc/c-type-interoperability.rst: New file. * doc/compiler-directives.rst: New file. * doc/conf.py: New file. * doc/copyright.rst: New file. * doc/function-names.rst: New file. * doc/general-public-license-3.rst: New file. * doc/gnu-free-documentation-license.rst: New file. * doc/import-and-export.rst: New file. * doc/index.rst: New file. * doc/indices-and-tables.rst: New file. * doc/introduction.rst: New file. * doc/invoking-gccgo.rst: New file. libgomp/ChangeLog: * doc/amd-radeon-gcn.rst: New file. * doc/conf.py: New file. * doc/copyright.rst: New file. * doc/cuda-streams-usage.rst: New file. * doc/enabling-openacc.rst: New file. * doc/enabling-openmp.rst: New file. * doc/first-invocation-nvidia-cublas-library-api.rst: New file. * doc/first-invocation-openacc-library-api.rst: New file. * doc/funding.rst: New file. * doc/general-public-license-3.rst: New file. * doc/gnu-free-documentation-license.rst: New file. * doc/implementation-status-and-implementation-defined-behavior.rst: New file. * doc/index.rst: New file. * doc/indices-and-tables.rst: New file. * doc/introduction.rst: New file. * doc/memory-allocation-with-libmemkind.rst: New file. * doc/nvptx.rst: New file. * doc/offload-target-specifics.rst: New file. * doc/openacc-environment-variables.rst: New file. * doc/openacc-environment-variables/accdevicenum.rst: New file. * doc/openacc-environment-variables/accdevicetype.rst: New file. * doc/openacc-environment-variables/accproflib.rst: New file. * doc/openacc-environment-variables/gccaccnotify.rst: New file. * doc/openacc-introduction.rst: New file. * doc/openacc-library-and-environment-variables.rst: New file. * doc/openacc-library-interoperability.rst: New file. * doc/openacc-profiling-interface.rst: New file. * doc/openacc-runtime-library-routines.rst: 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doc/openmp-runtime-library-routines/ompdestroynestlock.rst: New file. * doc/openmp-runtime-library-routines/ompfulfillevent.rst: New file. * doc/openmp-runtime-library-routines/ompgetactivelevel.rst: New file. * doc/openmp-runtime-library-routines/ompgetancestorthreadnum.rst: New file. * doc/openmp-runtime-library-routines/ompgetcancellation.rst: New file. * doc/openmp-runtime-library-routines/ompgetdefaultdevice.rst: New file. * doc/openmp-runtime-library-routines/ompgetdevicenum.rst: New file. * doc/openmp-runtime-library-routines/ompgetdynamic.rst: New file. * doc/openmp-runtime-library-routines/ompgetinitialdevice.rst: New file. * doc/openmp-runtime-library-routines/ompgetlevel.rst: New file. * doc/openmp-runtime-library-routines/ompgetmaxactivelevels.rst: New file. * doc/openmp-runtime-library-routines/ompgetmaxtaskpriority.rst: New file. * doc/openmp-runtime-library-routines/ompgetmaxteams.rst: New file. * doc/openmp-runtime-library-routines/ompgetmaxthreads.rst: New file. * 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doc/the-libgomp-abi/implementing-openaccs-parallel-construct.rst: New file. * doc/the-libgomp-abi/implementing-ordered-construct.rst: New file. * doc/the-libgomp-abi/implementing-parallel-construct.rst: New file. * doc/the-libgomp-abi/implementing-private-clause.rst: New file. * doc/the-libgomp-abi/implementing-reduction-clause.rst: New file. * doc/the-libgomp-abi/implementing-sections-construct.rst: New file. * doc/the-libgomp-abi/implementing-single-construct.rst: New file. * doc/the-libgomp-abi/implementing-threadprivate-construct.rst: New file. libiberty/ChangeLog: * doc/bsd.rst: New file. * doc/conf.py: New file. * doc/copyright.rst: New file. * doc/extensions.rst: New file. * doc/function-variable-and-macro-listing.rst: New file. * doc/index.rst: New file. * doc/indices-and-tables.rst: New file. * doc/introduction.rst: New file. * doc/lesser-general-public-license-2.1.rst: New file. * doc/overview.rst: New file. * doc/replacement-functions.rst: New file. * doc/supplemental-functions.rst: New file. * doc/using.rst: New file. libitm/ChangeLog: * doc/c-c++-language-constructs-for-tm.rst: New file. * doc/conf.py: New file. * doc/copyright.rst: New file. * doc/enabling-libitm.rst: New file. * doc/gnu-free-documentation-license.rst: New file. * doc/index.rst: New file. * doc/indices-and-tables.rst: New file. * doc/internals.rst: New file. * doc/locking-conventions.rst: New file. * doc/nesting-flat-vs-closed.rst: New file. * doc/the-libitm-abi.rst: New file. * doc/the-libitm-abi/function-list.rst: New file. * doc/the-libitm-abi/future-enhancements-to-the-abi.rst: New file. * doc/the-libitm-abi/library-design-principles.rst: New file. * doc/the-libitm-abi/memory-model.rst: New file. * doc/the-libitm-abi/non-objectives.rst: New file. * doc/the-libitm-abi/objectives.rst: New file. * doc/the-libitm-abi/sample-code.rst: New file. * doc/the-libitm-abi/types-and-macros-list.rst: New file. * doc/tm-methods-and-method-groups.rst: New file. libquadmath/ChangeLog: * doc/conf.py: New file. * doc/copyright.rst: New file. * doc/gnu-free-documentation-license.rst: New file. * doc/i-o-library-routines.rst: New file. * doc/index.rst: New file. * doc/indices-and-tables.rst: New file. * doc/introduction.rst: New file. * doc/math-library-routines.rst: New file. * doc/quadmathsnprintf.rst: New file. * doc/reporting-bugs.rst: New file. * doc/strtoflt128.rst: New file. * doc/typedef-and-constants.rst: New file.	2022-11-09 09:00:35 +01:00
Aldy Hernandez	38ec5e4bc8	[range-op-float] Implement MINUS_EXPR. ... Now that the generic parts of the binary operators have been abstracted, implementing MINUS_EXPR is a cinch. The op[12]_range entries will be submitted as a follow-up. gcc/ChangeLog: * range-op-float.cc (class foperator_minus): New. (floating_op_table::floating_op_table): Add MINUS_EXPR entry.	2022-11-09 07:58:05 +01:00
Aldy Hernandez	0ef5649e9b	[range-op-float] Abstract out binary operator code out of PLUS_EXPR entry. ... The PLUS_EXPR was always meant to be a template for further development, since most of the binary operators will share a similar structure. This patch abstracts out the common bits into the default definition for range_operator_float::fold_range() and provides an rv_fold() to be implemented by the individual entries wishing to use the generic folder. This is akin to what we do with fold_range() and wi_fold() in the integer version of range-ops. gcc/ChangeLog: * range-op-float.cc (range_operator_float::fold_range): Abstract out from foperator_plus. (range_operator_float::rv_fold): New. (foperator_plus::fold_range): Remove. (foperator_plus::rv_fold): New. (propagate_nans): Remove. * range-op.h (class range_operator_float): Add rv_fold.	2022-11-09 07:58:05 +01:00
Aldy Hernandez	68b0615be2	[range-op-float] Set NAN possibility for INF + (-INF) and vice versa. ... Some combinations of operations can yield a NAN even if no operands have the possiblity of a NAN. For example, [-INF] + [+INF] = NAN and vice versa. For [-INF,+INF] + [-INF,+INF], frange_arithmetic will not return a NAN, and since the operands have no possibility of a NAN, we will mistakenly assume the result cannot have a NAN. This fixes the oversight. gcc/ChangeLog: * range-op-float.cc (foperator_plus::fold_range): Set NAN for addition of different signed infinities. (range_op_float_tests): New test.	2022-11-09 07:56:35 +01:00
Marek Polacek	b305793b98	c++: Tweaks for -Wredundant-move [PR107363] ... Two things here: 1) when we're pointing out that std::move on a constant object is redundant, don't say "in return statement" when we aren't in a return statement; 2) suppress the warning when the std::move call was dependent, because removing the std::move may not be correct for a different instantiation of the original template. PR c++/107363 gcc/cp/ChangeLog: * semantics.cc (finish_call_expr): Suppress OPT_Wpessimizing_move. * typeck.cc (maybe_warn_pessimizing_move): Check warn_redundant_move and warning_suppressed_p. Adjust a message depending on return_p. (check_return_expr): Don't suppress OPT_Wpessimizing_move here. gcc/testsuite/ChangeLog: * g++.dg/cpp0x/Wredundant-move13.C: New test.	2022-11-08 21:34:55 -05:00
liuhongt	916bec9a05	Fix incorrect insn type to avoid ICE in memory attr auto-detection. ... Memory attribute auto detection will check operand 2 for type sselog, and check operand 1 for type sselog1. For below 2 insns, there's no operand 2. Change type to sselog1. gcc/ChangeLog: PR target/107540 * config/i386/sse.md (avx512f_movddup512<mask_name>): Change type from sselog to sselog1. (avx_movddup256<mask_name>): Ditto. gcc/testsuite/ChangeLog: * gcc.target/i386/pr107540.c: New test.	2022-11-09 09:12:52 +08:00
GCC Administrator	69023a9f95	Daily bump.	2022-11-09 00:19:55 +00:00
David Malcolm	9bbcee450d	analyzer: eliminate region_model::eval_condition_without_cm [PR101962] ... In r12-3094-ge82e0f149b0aba I added the assumption that POINTER_PLUS_EXPR of non-NULL is non-NULL (for PR analyzer/101962). Whilst working on another bug, I noticed that this only works when the LHS is known to be non-NULL via region_model::eval_condition_without_cm, but not when it's known through a constraint. This distinction predates the original commit of the analyzer in GCC 10, but I believe it became irrelevant in the GCC 11 rewrite of the region model code (r11-2694-g808f4dfeb3a95f). Hence this patch eliminates region_model::eval_condition_without_cm in favor of all users simply calling region_model::eval_condition. Doing so enables the "POINTER_PLUS_EXPR of non-NULL is non-NULL" assumption to also be made when the LHS is known through a constraint (e.g. a conditional). gcc/analyzer/ChangeLog: PR analyzer/101962 * region-model-impl-calls.cc: Update comment. * region-model.cc (region_model::check_symbolic_bounds): Fix layout of "void" return. Replace usage of eval_condition_without_cm with eval_condition. (region_model::eval_condition): Take over body of... (region_model::eval_condition_without_cm): ...this subroutine, dropping the latter. Eliminating this distinction avoids issues where constraints were not considered when recursing. (region_model::compare_initial_and_pointer): Update comment. (region_model::symbolic_greater_than): Replace usage of eval_condition_without_cm with eval_condition. * region-model.h (region_model::eval_condition_without_cm): Delete decl. gcc/testsuite/ChangeLog: PR analyzer/101962 * gcc.dg/analyzer/data-model-23.c (test_3): New test. Signed-off-by: David Malcolm <dmalcolm@redhat.com>	2022-11-08 17:49:07 -05:00
Jonathan Wakely	bbcb84bba0	libstdc++: Fix -Wsystem-headers warnings in tests ... libstdc++-v3/ChangeLog: * testsuite/18_support/new_nothrow.cc: Add missing noexcept to operator delete replacements. * testsuite/20_util/any/cons/92156.cc: Disable -Winit-list-lifetime warnings from instantiating invalid specialization of manager function. * testsuite/20_util/any/modifiers/92156.cc: Likewise. * testsuite/20_util/default_delete/void_neg.cc: Prune additional diagnostics. * testsuite/20_util/headers/memory/synopsis.cc: Add missing noexcept. * testsuite/20_util/shared_ptr/cons/void_neg.cc: Prune additional diagnostic. * testsuite/20_util/unique_ptr/creation/for_overwrite.cc: Add missing noexcept to operator delete replacements. * testsuite/21_strings/basic_string/cons/char/103919.cc: Likewise. * testsuite/23_containers/map/modifiers/emplace/92300.cc: Likewise. * testsuite/23_containers/map/modifiers/insert/92300.cc: Likewise. * testsuite/24_iterators/headers/iterator/range_access_c++11.cc: Add missing noexcept to synopsis declarations. * testsuite/24_iterators/headers/iterator/range_access_c++14.cc: Likewise. * testsuite/24_iterators/headers/iterator/range_access_c++17.cc: Likewise.	2022-11-08 17:35:15 +00:00
Jonathan Wakely	8f6d25f19b	libstdc++: Fix -Wsystem-headers warnings ... Fix some problems noticed with -Wsystem-headers. libstdc++-v3/ChangeLog: * include/bits/stl_tempbuf.h (_Temporary_buffer): Disable warnings about get_temporary_buffer being deprecated. * include/ext/functional (mem_fun1, mem_fun1_ref): Disable warnings about mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t and const_mem_fun1_ref_t being deprecated. * include/std/array (__array_traits<T, 0>): Remove artificial attributes which give warnings about being ignored. * include/std/spanstream (basic_spanbuf::setbuf): Add assertion and adjust to avoid narrowing warning. * libsupc++/exception_ptr.h [!__cpp_rtti && !__cpp_exceptions] (make_exception_ptr): Add missing inline specifier.	2022-11-08 17:35:15 +00:00
Jonathan Wakely	9d549401ae	libstdc++: Add always_inline to most allocator functions ... This reduces the abstraction penalty for allocator support in unoptimized code. Constructing and using allocators in containers calls many one-line (or completely empty) inline functions. Those can all be inlined to reduce code size and function call overhead for -O0. libstdc++-v3/ChangeLog: * include/bits/alloc_traits.h (allocator_traits): Add always_inline attribute to all member functions. (__do_alloc_on_copy, __alloc_on_copy, __do_alloc_on_move) (__alloc_on_move, __do_alloc_on_swap, __alloc_on_swap) (_Destroy(FwdIter, FwdIter, allocator<T>&)): : Add always_inline attribute. * include/bits/allocator.h (allocator): Add always_inline attribute to all member functions and equality operators. * include/bits/new_allocator.h (__new_allocator): Likewise. * include/ext/alloc_traits.h (__gnu_cxx::__alloc_traits): Likewise.	2022-11-08 17:35:15 +00:00
Charles-François Natali	3f1519eef5	libstdc++: basic_filebuf: don't flush more often than necessary [PR63746] ... `basic_filebuf::xsputn` would bypass the buffer when passed a chunk of size 1024 and above, seemingly as an optimisation. This can have a significant performance impact if the overhead of a `write` syscall is non-negligible, e.g. on a slow disk, on network filesystems, or simply during IO contention because instead of flushing every `BUFSIZ` (by default), we can flush every 1024 char. The impact is even greater with custom larger buffers, e.g. for network filesystems, because the code could issue `write` for example 1000X more often than necessary with respect to the buffer size. It also introduces a significant discontinuity in performance when writing chunks of size 1024 and above. Instead, it makes sense to only bypass the buffer if the amount of data to be written is larger than the buffer capacity. Signed-off-by: Charles-Francois Natali <cf.natali@gmail.com> libstdc++-v3/ChangeLog: PR libstdc++/63746 * include/bits/fstream.tcc (basic_filbuf::xsputn): Remove 1024-byte chunking that bypasses the buffer for large writes. * testsuite/27_io/basic_filebuf/sputn/char/63746.cc: New test.	2022-11-08 17:35:14 +00:00
Will Hawkins	c93baa93df	libstdc++: Refactor implementation of operator+ for std::string ... Until now operator+(char*, string) and operator+(string, char*) had different performance characteristics. The former required a single memory allocation and the latter required two. This patch makes the performance equal. After consultation with Jonathan, it seemed like a good idea to create a single function that performed one-allocation string concatenation that could be used by various different version of operator+. This patch adds such a function and calls it from the relevant implementations. Co-authored-by: Jonathan Wakely <jwakely@redhat.com> libstdc++-v3/ChangeLog: * include/bits/basic_string.h (__str_cat): Add common function that performs single-allocation string concatenation. (operator+): Use __str_cat. * include/bits/basic_string.tcc (operator+): Move to .h and define inline using __str_cat. Signed-off-by: Will Hawkins <whh8b@obs.cr>	2022-11-08 17:35:14 +00:00
David Faust	564b111846	bpf: Use enum for resolved overloaded builtins ... Change several places in the eBPF backend dealing with overloaded built-in functions to consistently use the enum bpf_builtins type, rather than variously using integer constants or booleans. The result is eaiser to read and extend. gcc/ * config/bpf/bpf.cc (struct core_walk_data): Add field `which'... (bpf_resolve_overloaded_builtin): ... set it here. Use values of enum bpf_builtins for error checks. (bpf_core_walk): Use values of enum bpf_builtins. (bpf_core_newdecl): Likewise. (bpf_expand_builtin): Likewise.	2022-11-08 08:37:04 -08:00
Aldy Hernandez	9d96a28699	[PR24021] Implement PLUS_EXPR range-op entry for floats. ... This is the range-op entry for floating point PLUS_EXPR. It's the most intricate range entry we have so far, because we need to keep track of rounding and target FP formats. This will be the last FP entry I commit, mostly to avoid disturbing the tree any further, and also because what we have so far is enough for a solid VRP. So far we track NANs and signs correctly. We also handle relationals (symbolics and numeric), both ordered and unordered, ABS_EXPR and NEGATE_EXPR which are used to fold __builtin_isinf, and __builtin_sign (__builtin_copysign is coming up). All in all, I think this provide more than enough for basic VRP on floats, as well as provide a basis to flesh out the rest if there's interest. My goal with this entry is to provide a template for additional binary operators, as they tend to follow a similar pattern: handle NANs, do the arithmetic while keeping track of rounding, and adjust for NAN. I may abstract the general parts as we do for irange's fold_range and wi_fold. PR tree-optimization/24021 gcc/ChangeLog: * range-op-float.cc (propagate_nans): New. (frange_nextafter): New. (frange_arithmetic): New. (class foperator_plus): New. (floating_op_table::floating_op_table): Add PLUS_EXPR entry. gcc/testsuite/ChangeLog: * gcc.dg/tree-ssa/vrp-float-plus.c: New test.	2022-11-08 16:53:41 +01:00
Aldy Hernandez	3e0ab430c0	Provide normalized and denormal format version of real_isdenormal. ... Implement a variant of real_isdenormal() to be used within real.cc where the argument is known to be in denormal format. Rewrite real_isdenormal() for use outside of real.cc where the argument is known to be normalized. gcc/ChangeLog: * real.cc (real_isdenormal): New. (encode_ieee_single): Call real_isdenormal. (encode_ieee_double): Same. (encode_ieee_extended): Same. (encode_ieee_quad): Same. (encode_ieee_half): Same. (encode_arm_bfloat_half): Same. * real.h (real_isdenormal): Add mode argument. Rewrite for normalized values. * value-range.cc (frange::flush_denormals_to_zero): Pass mode to real_isdenormal.	2022-11-08 16:53:40 +01:00
Richard Biener	7899582a05	tree-optimization/107389 - honor __builtin_assume_alignment at -O0 ... The following makes sure to set alignment information on the LHS of __builtin_assume_alignment calls even when not optimizing so uses as arguments to builtin functions like memcpy or __atomic_load_n can be reflected at RTL expansion time. PR tree-optimization/107389 * gimple-low.cc (lower_builtin_assume_aligned): New. (lower_stmt): Call it. * gcc.dg/pr107389.c: New testcase.	2022-11-08 16:38:39 +01:00
Aldy Hernandez	215355d302	CCP: handle division by a power of 2 as a right shift. ... We have some code in range-ops that sets better maybe nonzero bits for TRUNC_DIV_EXPR by a power of 2 than CCP does, by just shifting the mask. I'd like to offload this functionality into the CCP mask tracking code, which already does the right thing for right shifts. The testcase for this change is gcc.dg/tree-ssa/vrp123.c and gcc.dg/tree-ssa/pr107541.c. gcc/ChangeLog: * range-op.cc (operator_div::fold_range): Call update_known_bitmask. * tree-ssa-ccp.cc (bit_value_binop): Handle divisions by powers of 2 as a right shift.	2022-11-08 16:10:10 +01:00