+2020-11-25 Stefan Kanthak <stefan.kanthak@nexgo.de>
+
+ * libgcc2.c (absvSI2): Simplify/improve implementation by using
+ builtin_add_overflow.
+ (absvsi2, absvDI2): Likewise.
+
+2020-11-20 Maciej W. Rozycki <macro@linux-mips.org>
+
+ * unwind-dw2-fde-dip.c [__OpenBSD__ || __NetBSD__]
+ (USE_PT_GNU_EH_FRAME): Do not define if !TARGET_DL_ITERATE_PHDR.
+
+2020-11-18 Jozef Lawrynowicz <jozef.l@mittosystems.com>
+
+ * config/msp430/lib2hw_mul.S (mult64_hw): New.
+ (if MUL_32): Use mult64_hw for __muldi3.
+ (if MUL_F5): Use mult64_hw for __muldi3.
+ * config/msp430/lib2mul.c (__muldi3): New.
+ * config/msp430/t-msp430 (LIB2FUNCS_EXCLUDE): Define.
+
+2020-11-17 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/t-ppc64-fp (LIB2ADD): Delete.
+ (LIB2_SIDITI_CONV_FUNCS): Define.
+ * config/rs6000/ppc64-fp.c: Delete file.
+
+2020-11-15 Jozef Lawrynowicz <jozef.l@mittosystems.com>
+
+ * config/msp430/lib2hw_mul.S: Omit _hw* suffix from GCC names for
+ hwmult library functions.
+
+2020-11-10 Jeff Law <law@redhat.com>
+
+ * libgcc2.c: Fix whitespace issues in most recent change.
+
+2020-11-10 Stefan Kanthak <stefan.kanthak@nexgo.de>
+
+ * libgcc2.c (__addvSI3): Use overflow builtins.
+ (__addvsi3, __addvDI3 ,__subvSI3, __subvsi3): Likewise.
+ (__subvDI3 __mulvSI3, __mulvsi3, __negvSI2): Likewise.
+ (__negvsi2, __negvDI2): Likewise.
+ (__cmpdi2, __ucmpdi2): Adjust implementation to improve
+ generated code.
+ * libgcc2.h (__ucmpdi2): Adjust prototype.
+
+2020-11-03 Pat Bernardi <bernardi@adacore.com>
+ Olivier Hainque <hainque@adacore.com>
+
+ * config.host (aarch64-vxworks7*, tmake_file): Add
+ ${cpu_type}/t-lse and t-slibgcc-libgcc.
+
+2020-11-03 Martin Storsjö <martin@martin.st>
+
+ * unwind-seh.c (_Unwind_Backtrace): Set the ra and cfa pointers
+ before calling the callback.
+
+2020-10-30 Olivier Hainque <hainque@adacore.com>
+ Douglas Rupp <rupp@adacore.com>
+ Pat Bernardi <bernardi@adacore.com>
+
+ * config.host: Adjust the ix86/x86_64-wrs-vxworks filters
+ to apply to VxWorks 7 as well.
+
+2020-10-29 Olivier Hainque <hainque@adacore.com>
+
+ * config/gthr-vxworks-tls.c: Fix preprocessor logic
+ controlling the definition of VX_ENTER_TLS_DTOR and
+ VX_LEAVE_TLS_DTOR based on a version major check.
+
+2020-10-29 Olivier Hainque <hainque@adacore.com>
+
+ * config/gthr-vxworks-thread.c: Fix name of macro used
+ to condition the inclusion of an actual implementation.
+
+2020-10-27 Martin Liska <mliska@suse.cz>
+
+ PR gcov-profile/97461
+ * libgcov.h (gcov_counter_add): Use first static counters
+ as it should help to have malloc wrappers set up.
+
+2020-10-23 Rasmus Villemoes <rv@rasmusvillemoes.dk>
+
+ * config/gthr-vxworks-thread.c: #include gthr.h before
+ testing the guard defined there.
+ * config/gthr-vxworks-cond.c: Likewise.
+
+2020-10-21 Douglas Rupp <rupp@adacore.com>
+ Olivier Hainque <hainque@adacore.com>
+
+ * config.host (powerpc*-wrs-vxworks7*): New case.
+ * configure.ac: Handle powerpc*-*-vxworks7* as
+ powerpc*-*-linux* for ppc-fp_type.
+ * configure: Regenerate.
+
+2020-10-16 Rasmus Villemoes <rv@rasmusvillemoes.dk>
+
+ * config/gthr-vxworks.h: Condition the ___GTHREADS_CXX0X
+ section on VxWorks >= 6.
+ * config/gthr-vxworks-thread.c: Condition the entire
+ implementation on __GTHREAD_CXX0X.
+
+2020-10-16 Rasmus Villemoes <rv@rasmusvillemoes.dk>
+
+ * config/gthr-vxworks.h: Condition the __GTHREAD_HAS_COND
+ section on VxWorks >= 6.
+ * config/gthr-vxworks-cond.c: Condition the entire
+ implementation on __GTHREAD_HAS_COND.
+
+2020-10-16 Rasmus Villemoes <rv@rasmusvillemoes.dk>
+
+ * config/gthr-vxworks.c: #include <taskLib.h>.
+
+2020-10-16 Rasmus Villemoes <rv@rasmusvillemoes.dk>
+
+ * config/gthr-vxworks.h: Rewrite remaining occurrence
+ of _VXW_PRE_69 as _VXWORKS_PRE(6,9).
+
+2020-10-16 Rasmus Villemoes <rv@rasmusvillemoes.dk>
+ Olivier Hainque <hainque@adacore.com>
+
+ * config/gthr-vxworks-tls.c (VX_ENTER_TLS_DTOR): Nil
+ except on VxWorks 6.
+
+2020-10-16 Olivier Hainque <hainque@adacore.com>
+
+ * config/t-vxcrtstuff: Remove the -kernel/-rtp specialization.
+
+2020-10-14 Alexandre Oliva <oliva@adacore.com>
+
+ * config/gthr-vxworks-thread.c: Include stdlib.h.
+ (tls_delete_hook): Prototype it.
+ (__gthread_cond_signal): Return early if no waiters. Consume
+ signal in case the semaphore got full. Use semInfoGet instead
+ of kernel-mode-only semInfo.
+ (__gthread_cond_timedwait): Use semExchange. Always take the
+ mutex again before returning.
+ * config/gthr-vxworks-cond.c (__ghtread_cond_wait): Likewise.
+
+2020-10-14 Olivier Hainque <hainque@adacore.com>
+
+ * config/t-vxworks (LIBGCC2_INCLUDES): Append
+ $(MULTISUBDIR) to the -I path for fixed headers, as we
+ arrange to have different sets of such headers for different
+ multilibs when they are activated.
+ * config/t-vxworks7: Likewise.
+
+2020-10-14 Olivier Hainque <hainque@adacore.com>
+
+ * config/t-vxworks: Add include-fixed to include search
+ paths for libgcc on VxWorks.
+ * config/t-vxworks7: Likewise.
+
+2020-10-09 H.J. Lu <hjl.tools@gmail.com>
+
+ PR target/97148
+ * config/i386/shadow-stack-unwind.h: Include <x86gprintrin.h>
+ instead of <cetintrin.h>.
+
+2020-10-01 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/morestack.S,
+ * config/rs6000/tramp.S: Support __PCREL__ code.
+
+2020-10-01 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/t-linux: Document purpose of -mno-minimal-toc.
+
+2020-09-29 Maciej W. Rozycki <macro@wdc.com>
+
+ * config/riscv/t-elf (LIB2_DIVMOD_EXCEPTION_FLAGS): New
+ variable.
+
+2020-09-28 Richard Sandiford <richard.sandiford@arm.com>
+
+ * config/aarch64/libgcc-softfp.ver: New file.
+ * config/aarch64/t-softfp (SHLIB_MAPFILES): Add it.
+
+2020-09-27 Clement Chigot <clement.chigot@atos.net>
+
+ * config/rs6000/t-slibgcc-aix: Use $(AR) without -X32_64.
+
+2020-09-22 Sergei Trofimovich <siarheit@google.com>
+
+ PR gcov-profile/96913
+ * libgcov-driver.c (write_one_data): Avoid function pointer
+ comparison in TOP streaming decision.
+
+2020-09-17 Torbjörn SVENSSON <torbjorn.svensson@st.com>
+ Christophe Lyon <christophe.lyon@linaro.org>
+
+ * config/arm/fp16.c (__gnu_h2f_internal): Add 'static inline'
+ qualifier.
+ (__gnu_f2h_ieee, __gnu_h2f_ieee, __gnu_f2h_alternative)
+ (__gnu_h2f_alternative,__gnu_d2h_ieee, __gnu_d2h_alternative): Add
+ missing prototypes.
+
+2020-09-17 Wei Wentao <weiwt.fnst@cn.fujitsu.com>
+
+ * config/aarch64/aarch64-unwind.h (aarch64_demangle_return_addr): Fix
+ unused variable warning.
+
+2020-09-16 Jojo R <jiejie_rong@c-sky.com>
+
+ * config.host (C-SKY): Enable crtbegin/crtend.o of libgcc for elf target.
+
+2020-09-09 Tom de Vries <tdevries@suse.de>
+
+ * config/nvptx/atomic.c (__SYNC_SUBWORD_COMPARE_AND_SWAP): Fix
+ Wbuiltin-declaration-mismatch.
+
+2020-08-26 Jozef Lawrynowicz <jozef.l@mittosystems.com>
+
+ * config/msp430/slli.S (__gnu_mspabi_sllp): New.
+ * config/msp430/srai.S (__gnu_mspabi_srap): New.
+ * config/msp430/srli.S (__gnu_mspabi_srlp): New.
+
+2020-08-13 Kwok Cheung Yeung <kcy@codesourcery.com>
+
+ * config/nvptx/atomic.c: New.
+ * config/nvptx/t-nvptx (LIB2ADD): Add atomic.c.
+
+2020-08-03 Ian Lance Taylor <iant@golang.org>
+
+ * config/i386/morestack.S (BACKOFF) [x86_64]: Add 2048 bytes.
+
+2020-08-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/96402
+ * config/aarch64/lse.S (__aarch64_cas16_acq_rel): Use x2, x3 instead
+ of x(tmp0), x(tmp1) in STXP arguments.
+
+2020-07-31 Maciej W. Rozycki <macro@wdc.com>
+
+ * config/riscv/save-restore.S [__riscv_xlen == 64]
+ (__riscv_save_10, __riscv_save_8, __riscv_save_6, __riscv_save_4)
+ (__riscv_save_2): Replace negative immediates used for the final
+ stack pointer adjustment with positive ones, right-shifted by 4.
+
+2020-07-31 Martin Liska <mliska@suse.cz>
+
+ * libgcov-driver.c: Add __gcov_kvp_pool
+ and __gcov_kvp_pool_index variables.
+ * libgcov.h (allocate_gcov_kvp): New.
+ (gcov_topn_add_value): Use it.
+
+2020-07-24 Szabolcs Nagy <szabolcs.nagy@arm.com>
+
+ * config/aarch64/lse.S: Add PAC property note.
+
+2020-07-23 Martin Liska <mliska@suse.cz>
+
+ PR gcov-profile/96035
+ * libgcov-driver-system.c: Create gcov folders with 0777
+ so that it respects a system umask.
+
+2020-07-14 David Edelsohn <dje.gcc@gmail.com>
+
+ * config/rs6000/t-slibgcc-aix: Set BITS from compiler cpp macro.
+
+2020-07-13 Szabolcs Nagy <szabolcs.nagy@arm.com>
+
+ PR target/94891
+ * config/aarch64/aarch64-unwind.h (MD_POST_EXTRACT_ROOT_ADDR): Remove.
+ (MD_POST_FROB_EH_HANDLER_ADDR): Remove.
+ (MD_POST_EXTRACT_FRAME_ADDR): Rename to ...
+ (MD_DEMANGLE_RETURN_ADDR): This.
+ (aarch64_post_extract_frame_addr): Rename to ...
+ (aarch64_demangle_return_addr): This.
+ (aarch64_post_frob_eh_handler_addr): Remove.
+ * unwind-dw2.c (uw_update_context): Demangle return address.
+ (uw_frob_return_addr): Remove.
+
+2020-07-09 Szabolcs Nagy <szabolcs.nagy@arm.com>
+
+ PR target/96001
+ * config/aarch64/lse.S: Add BTI marking and related definitions,
+ and add BTI c to function entries.
+
+2020-07-09 Szabolcs Nagy <szabolcs.nagy@arm.com>
+
+ * config/aarch64/lse.S: Add stack note.
+
+2020-07-02 Martin Liska <mliska@suse.cz>
+
+ PR gcov-profile/95348
+ * libgcov-driver.c (merge_one_data): Merge only profiles
+ that are not of non-zero type.
+ (write_one_data): Write counters only if there's one non-zero
+ value.
+ * libgcov-util.c (tag_function): Change signature from unsigned
+ to int.
+ (tag_blocks): Likewise.
+ (tag_arcs): Likewise.
+ (tag_counters): Likewise.
+ (tag_summary): Likewise.
+ (tag_lines): Read only if COUNTERS is non-zero.
+ (read_gcda_file): Handle negative length for COUNTERS type.
+
+2020-06-25 Martin Liska <mliska@suse.cz>
+
+ * libgcov-driver.c (merge_summary): Remove function as its name
+ is misleading and doing something different.
+ (dump_one_gcov): Add ATTRIBUTE_UNUSED for 2 args. Take read summary
+ in gcov-tool.
+ * libgcov-util.c (curr_object_summary): Remove.
+ (read_gcda_file): Remove unused curr_object_summary.
+ (gcov_merge): Merge summaries.
+ * libgcov.h: Add summary argument for gcov_info struct.
+
+2020-06-24 H.J. Lu <hjl.tools@gmail.com>
+
+ PR target/95259
+ * config/i386/cpuinfo.c: Don't include "cpuinfo.h". Include
+ "common/config/i386/i386-cpuinfo.h" and
+ "common/config/i386/cpuinfo.h".
+ (__cpu_features2): Changed to array.
+ (get_amd_cpu): Removed.
+ (get_intel_cpu): Likewise.
+ (get_available_features): Likewise.
+ (__cpu_indicator_init): Call cpu_indicator_init.
+ * config/i386/cpuinfo.h: Removed.
+
+2020-06-23 David Edelsohn <dje.gcc@gmail.com>
+
+ * Makefile.in: Remove uses of empty.mk. Use -include.
+ * config/avr/t-avr: Use -include.
+ * empty.mk: Delete.
+
+2020-06-21 David Edelsohn <dje.gcc@gmail.com>
+
+ * config.host (extra_parts): Add crtcxa_64 and crtdbase_64.
+ * config/rs6000/t-aix-cxa: Explicitly compile 32 bit with -maix32
+ and 64 bit with -maix64.
+ * config/rs6000/t-slibgcc-aix: Remove extra @multilib_dir@ level.
+ Build and install AIX-style FAT libraries.
+
+2020-06-17 Samuel Thibault <samuel.thibault@gnu.org>
+
+ * config.host (md_unwind_header) <i[34567]86-*-gnu*>: Set to
+ 'i386/gnu-unwind.h'
+ * config/i386/gnu-unwind.h: New file.
+
+2020-06-17 Martin Liska <mliska@suse.cz>
+
+ * libgcov-util.c (read_gcda_finalize): Remove const operator.
+ (merge_wrapper): Add both counts and use them properly.
+ (topn_to_memory_representation): New function.
+ (gcov_merge): Covert on disk representation to in memory
+ representation.
+ * libgcov.h: Remove const operator.
+
+2020-06-15 Max Filippov <jcmvbkbc@gmail.com>
+
+ * configure: Regenerate.
+ * configure.ac: Use AC_COMPILE_IFELSE instead of manual
+ preprocessor invocation to check for __XTENSA_CALL0_ABI__.
+
+2020-06-09 Martin Liska <mliska@suse.cz>
+
+ PR gcov-profile/95494
+ * libgcov-driver.c (write_top_counters): Cast first to
+ intptr_t as sizeof(*) != sizeof(gcov_type).
+ * libgcov.h (gcov_counter_set_if_null): Remove.
+ (gcov_topn_add_value): Cast first to intptr_t and update
+ linked list directly.
+
+2020-06-09 Max Filippov <jcmvbkbc@gmail.com>
+
+ * config/xtensa/unwind-dw2-xtensa.c (uw_install_context): Merge
+ with uw_install_context_1.
+
+2020-06-04 Andreas Schwab <schwab@suse.de>
+
+ PR target/59230
+ PR libfortran/59227
+ * config/ia64/t-softfp-compat (softfp_file_list): Filter out
+ soft-fp/divtf3.c.
+ (LIB2ADD): Add config/ia64/divtf3.c.
+ * config/ia64/divtf3.c: New file.
+
+2020-06-03 Martin Liska <mliska@suse.cz>
+
+ PR gcov-profile/95480
+ * libgcov-profiler.c (GCOV_SUPPORTS_ATOMIC): Move to...
+ * libgcov.h (GCOV_SUPPORTS_ATOMIC): ...here.
+ (gcov_counter_add): Use GCOV_SUPPORTS_ATOMIC guard.
+ (gcov_counter_set_if_null): Likewise.
+
+2020-06-02 Jim Wilson <jimw@sifive.com>
+
+ * config/riscv/div.S (__divdi3): For negative arguments, change bgez
+ to bgtz.
+
+2020-06-02 Martin Liska <mliska@suse.cz>
+
+ * libgcov.h (gcov_topn_add_value): Use xcalloc instead
+ of xmalloc.
+
+2020-06-02 Martin Liska <mliska@suse.cz>
+
+ * libgcov-driver.c (prune_topn_counter): Remove.
+ (prune_counters): Likewise.
+ (merge_one_data): Special case TOP N counters
+ as they have variable length.
+ (write_top_counters): New.
+ (write_one_data): Special case TOP N.
+ (dump_one_gcov): Do not prune TOP N counters.
+ * libgcov-merge.c (merge_topn_values_set): Remove.
+ (__gcov_merge_topn): Use gcov_topn_add_value.
+ * libgcov-profiler.c (__gcov_topn_values_profiler_body):
+ Likewise here.
+ * libgcov.h (gcov_counter_add): New.
+ (gcov_counter_set_if_null): Likewise.
+ (gcov_topn_add_value): New.
+
+2020-06-01 Uroš Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sfp-exceptions.c (struct fenv):
+ Add __attribute__ ((gcc_struct)).
+
+2020-05-29 H.J. Lu <hjl.tools@gmail.com>
+
+ PR bootstrap/95413
+ * configure: Regenerated.
+
+2020-05-28 Dong JianQiang <dongjianqiang2@huawei.com>
+
+ PR gcov-profile/95332
+ * libgcov-util.c (read_gcda_file): Call gcov_magic.
+ * libgcov.h (gcov_magic): Disable GCC poison.
+
+2020-05-21 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/95212
+ * config/i386/cpuinfo.h (processor_features): Move
+ FEATURE_AVX512VP2INTERSECT after FEATURE_AVX512BF16.
+
+2020-05-20 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/91695
+ * config/i386/cpuinfo.c (get_available_features): Fix VPCLMULQDQ
+ check.
+
+2020-05-19 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/95212
+ PR target/95220
+ * config/i386/cpuinfo.c (get_available_features): Fix
+ FEATURE_GFNI check. Also check FEATURE_AVX512VP2INTERSECT.
+ * config/i386/cpuinfo.h (processor_features): Add
+ FEATURE_AVX512VP2INTERSECT.
+
+2020-05-15 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR bootstrap/95147
+ * configure: Regenerated.
+
+2020-05-14 H.J. Lu <hongjiu.lu@intel.com>
+
+ * configure: Regenerated.
+
+2020-05-09 Hans-Peter Nilsson <hp@axis.com>
+
+ * config.host: Remove support for crisv32-*-* and cris*-*-linux.
+ * config/cris/libgcc-glibc.ver, config/cris/t-linux: Remove.
+
+2020-05-06 Uroš Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sfp-exceptions.c (__math_force_eval): Remove.
+ (__math_force_eval_div): New define.
+ (__sfp_handle_exceptions): Use __math_force_eval_div to use
+ generic division to generate INVALID, DIVZERO and INEXACT
+ exceptions.
+
+2020-05-06 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ * config/aarch64/lse-init.c (init_have_lse_atomics): Use __getauxval
+ instead of getauxval.
+ (AT_HWCAP): Define.
+ (HWCAP_ATOMICS): Define.
+ Guard detection on __gnu_linux__.
+
+2020-05-05 Michael Meissner <meissner@linux.ibm.com>
+
+ * config.host: Delete changes meant for a private branch.
+ * config/rs6000/t-float128: Likewise.
+ * configure.ac: Likewise.
+ * configure: Likewise.
+
+2020-05-05 Martin Liska <mliska@suse.cz>
+
+ PR gcov-profile/93623
+ * Makefile.in: Remove __gcov_flush.
+ * gcov.h (__gcov_flush): Remove.
+ * libgcov-interface.c (__gcov_flush): Remove.
+ (init_mx): Use renamed mutex.
+ (__gcov_lock): Likewise.
+ (__gcov_unlock): Likewise.
+ (__gcov_fork): Likewise.
+ (__gcov_flush): Remove.
+
+2020-05-05 Martin Liska <mliska@suse.cz>
+
+ PR gcov-profile/93623
+ * libgcov-interface.c (__gcov_fork): Do not flush
+ and reset only in child process.
+ (__gcov_execl): Dump counters only and reset them
+ only if exec* fails.
+ (__gcov_execlp): Likewise.
+ (__gcov_execle): Likewise.
+ (__gcov_execv): Likewise.
+ (__gcov_execvp): Likewise.
+ (__gcov_execve): Likewise.
+
+2020-05-05 Martin Liska <mliska@suse.cz>
+
+ PR gcov-profile/93623
+ * Makefile.in: Add _gcov_lock_unlock to LIBGCOV_INTERFACE.
+ * libgcov-interface.c (ALIAS_void_fn): Remove.
+ (__gcov_lock): New.
+ (__gcov_unlock): New.
+ (__gcov_flush): Use __gcov_lock and __gcov_unlock.
+ (__gcov_reset): Likewise.
+ (__gcov_dump): Likewise.
+ * libgcov.h (__gcov_lock): New declaration.
+ (__gcov_unlock): Likewise.
+
+2020-05-01 Uroš Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sfp-exceptions.c (__math_force_eval): New define.
+ (__sfp_handle_exceptions): Use __math_force_eval to evaluate
+ generic division to generate INVALID and DIVZERO exceptions.
+
+2020-04-27 Sebastian Huber <sebastian.huber@embedded-brains.de>
+
+ * config/rs6000/crtresfpr.S: Use .machine ppc.
+ * config/rs6000/crtresxfpr.S: Likewise.
+ * config/rs6000/crtsavfpr.S: Likewise.
+
+2020-04-21 Szabolcs Nagy <szabolcs.nagy@arm.com>
+
+ PR target/94514
+ * config/aarch64/aarch64-unwind.h (aarch64_frob_update_context):
+ Update context->flags accroding to the frame state.
+
+2020-04-19 Uroš Bizjak <ubizjak@gmail.com>
+
+ * config/i386/sfp-exceptions.c (__sfp_handle_exceptions) [__SSE_MATH__]:
+ Remove unneeded assignments to volatile memory.
+
+2020-04-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/93053
+ * configure.ac (LIBGCC_CHECK_AS_LSE): Add HAVE_AS_LSE checking.
+ * config/aarch64/lse.S: Include auto-target.h, if HAVE_AS_LSE
+ is not defined, use just .arch armv8-a.
+ (B, M, N, OPN): Define.
+ (COMMENT): New .macro.
+ (CAS, CASP, SWP, LDOP): Use .inst directive if HAVE_AS_LSE is not
+ defined. Otherwise, move the operands right after the glue? and
+ comment out operands where the macros are used.
+ * configure: Regenerated.
+ * config.in: Regenerated.
+
+2020-04-07 Ian Lance Taylor <iant@golang.org>
+
+ PR libgcc/94513
+ * generic-morestack.c: Give up trying to use __mmap/__munmap, use
+ syscall instead.
+
+2020-04-04 Ian Lance Taylor <iant@golang.org>
+
+ * generic-morestack.c: Only use __mmap on glibc >= 2.26.
+
+2020-04-03 Ian Lance Taylor <iant@golang.org>
+
+ * generic-morestack.c: On GNU/Linux use __mmap/__munmap rather
+ than mmap/munmap, to avoid hooks.
+
+2020-04-03 Jim Johnston <jjohnst@us.ibm.com>
+
+ * config/s390/tpf-unwind.h (MIN_PATRANGE, MAX_PATRANGE)
+ (TPFRA_OFFSET): Macros removed.
+ (CP_CNF, cinfc_fast, CINFC_CMRESET, CINTFC_CMCENBKST)
+ (CINTFC_CMCENBKED, ICST_CRET, ICST_SRET, LOWCORE_PAGE3_ADDR)
+ (PG3_SKIPPING_OFFSET): New macros.
+ (__isPATrange): Use cinfc_fast for the check.
+ (__isSkipResetAddr): New function.
+ (s390_fallback_frame_state): Check for skip trace addresses. Use
+ either ICST_CRET or ICST_SRET to calculate return address
+ location.
+ (__tpf_eh_return): Handle skip trace addresses.
+
+2020-03-26 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/94220
+ * config/arm/lib1funcs.asm (COND): Use a single definition for
+ unified syntax.
+ (aeabi_uidivmod): Unified syntax when optimizing Thumb for size.
+ (aeabi_idivmod): Likewise.
+ (divsi3_skip_div0_test): Likewise.
+
+2020-03-17 Mihail Ionescu <mihail.ionescu@arm.com>
+
+ * config/arm/t-arm: Do not compile cmse_nonsecure_call.S for v8.1-m.
+
+2020-03-04 Andreas Krebbel <krebbel@linux.ibm.com>
+
+ * config.host: Include the new makefile fragment.
+ * config/s390/t-tpf: New file.
+
+2020-03-03 Richard Earnshaw <rearnsha@arm.com>
+
+ * config/arm/bpabi-v6m.S (aeabi_lcmp): Convert thumb1 code to unified
+ syntax.
+ (aeabi_ulcmp, aeabi_ldivmod, aeabi_uldivmod): Likewise.
+ (aeabi_frsub, aeabi_cfcmpeq, aeabi_fcmpeq): Likewise.
+ (aeabi_fcmp, aeabi_drsub, aeabi_cdrcmple): Likewise.
+ (aeabi_cdcmpeq, aeabi_dcmpeq, aeabi_dcmp): Likewise.
+ * config/arm/lib1funcs.S (Lend_fde): Convert thumb1 code to unified
+ syntax.
+ (divsi3, modsi3): Likewise.
+ (clzdi2, ctzsi2): Likewise.
+ * config/arm/libunwind.S (restore_core_regs): Convert thumb1 code to
+ unified syntax.
+ (UNWIND_WRAPPER): Likewise.
+
+2020-03-02 Martin Liska <mliska@suse.cz>
+
+ * libgcov-interface.c: Remove duplicate
+ declaration of __gcov_flush_mx.
+
+2020-02-18 Martin Liska <mliska@suse.cz>
+
+ PR ipa/92924
+ * libgcov-merge.c (merge_topn_values_set): Record
+ when a TOP N counter becomes invalid. When merging
+ remove a smallest value if the space is needed.
+
+2020-02-12 Sandra Loosemore <sandra@codesourcery.com>
+
+ PR libstdc++/79193
+ PR libstdc++/88999
+
+ * configure: Regenerated.
+
+2020-02-10 Jeff Law <law@redhat.com>
+
+ * config/frv/frvbegin.c: Use right flags for .ctors and .dtors
+ sections.
+ * config/frv/frvend.c: Similarly.
+
+2020-02-10 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR libgcc/85334
+ * config/i386/shadow-stack-unwind.h (_Unwind_Frames_Increment):
+ New.
+
+2020-02-10 Christophe Lyon <christophe.lyon@linaro.org>
+
+ PR target/93615
+ * unwind-arm-common.inc: Replace uses of gnu_Unwind_Find_got with
+ _Unwind_gnu_Find_got.
+ * unwind-pe.h: Likewise.
+
+2020-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/93615
+ * config/arm/unwind-arm.h (gnu_Unwind_Find_got): Rename to ...
+ (_Unwind_gnu_Find_got): ... this. Use __asm instead of asm. Remove
+ trailing :s in asm. Formatting fixes.
+ (_Unwind_decode_typeinfo_ptr): Adjust caller.
+
+2020-01-31 Sandra Loosemore <sandra@codesourcery.com>
+
+ nios2: Support for GOT-relative DW_EH_PE_datarel encoding.
+
+ * config.host [nios2-*-linux*] (tmake_file, tm_file): Adjust.
+ * config/nios2-elf-lib.h: New.
+ * unwind-dw2-fde-dip.c (_Unwind_IteratePhdrCallback): Use existing
+ code for finding GOT base for nios2.
+
+2020-01-27 Martin Liska <mliska@suse.cz>
+
+ PR gcov-profile/93403
+ * libgcov-profiler.c (__gcov_indirect_call_profiler_v4):
+ Call __gcov_indirect_call_profiler_body.
+ (__gcov_indirect_call_profiler_body): New.
+ (__gcov_indirect_call_profiler_v4_atomic): New.
+ * libgcov.h (__gcov_indirect_call_profiler_v4_atomic):
+ New declaration.
+
+2020-01-27 Claudiu Zissulescu <claziss@synopsys.com>
+
+ * config/arc/crti.S: Add RF16 object attribute.
+ * config/arc/crtn.S: Likewise.
+ * config/arc/crttls.S: Likewise.
+ * config/arc/lib1funcs.S: Likewise.
+ * config/arc/fp-hack.h (ARC_OPTFPE): Define.
+ * config/arc/lib2funcs.c: New file.
+ * config/arc/t-arc: Add lib2funcs to LIB2ADD.
+
+2020-01-24 Maciej W. Rozycki <macro@wdc.com>
+
+ * Makefile.in (configure_deps): Add `toolexeclibdir.m4'.
+ * configure.ac: Handle `--with-toolexeclibdir='.
+ * configure: Regenerate.
+
+2020-01-23 Dragan Mladjenovic <dmladjenovic@wavecomp.com>
+
+ * config/mips/gnustack.h: Check for TARGET_LIBC_GNUSTACK also.
+
+2020-01-23 Dragan Mladjenovic <dmladjenovic@wavecomp.com>
+
+ * config/mips/gnustack.h: New file.
+ * config/mips/crti.S: Include gnustack.h.
+ * config/mips/crtn.S: Likewise.
+ * config/mips/mips16.S: Likewise.
+ * config/mips/vr4120-div.S: Likewise.
+
+2020-01-23 Martin Liska <mliska@suse.cz>
+
+ * libgcov-driver.c (prune_topn_counter): Remove
+ check for -1 as we only prune run-time counters
+ that do not generate an invalid state.
+
+2020-01-22 Martin Liska <mliska@suse.cz>
+
+ PR tree-optimization/92924
+ * libgcov-profiler.c (__gcov_topn_values_profiler_body): First
+ try to find an existing value, then find an empty slot
+ if not found.
+
+2020-01-22 Martin Liska <mliska@suse.cz>
+
+ PR tree-optimization/92924
+ * libgcov-driver.c (prune_topn_counter): New.
+ (prune_counters): Likewise.
+ (dump_one_gcov): Prune a run-time counter.
+ * libgcov-profiler.c (__gcov_topn_values_profiler_body):
+ For a known value, add GCOV_TOPN_VALUES to value.
+ Otherwise, decrement all counters by one.
+
+2020-01-18 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/arit.c (DS): Apply attribute __fallthrough__.
+
+2020-01-18 John David Anglin <danglin@gcc.gnu.org>
+
+ PR libgcc/92988
+ * crtstuff.c (__do_global_dtors_aux): Only call __cxa_finalize if
+ DEFAULT_USE_CXA_ATEXIT is true.
+
+2020-01-16 Mihail-Calin Ionescu <mihail.ionescu@arm.com>
+ Thomas Preud'homme <thomas.preudhomme@arm.com>
+
+ * config/arm/t-arm: Check return value of gcc rather than lack of
+ output.
+
+2020-01-14 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/lib1funcs.S (skip): Simplify.
+
+2020-01-10 Kwok Cheung Yeung <kcy@codesourcery.com>
+
+ * config/gcn/atomic.c: Remove include of stdint.h.
+ (__sync_val_compare_and_swap_##SIZE): Replace uintptr_t with
+ __UINTPTR_TYPE__.
+
+2020-01-09 Kwok Cheung Yeung <kcy@codesourcery.com>
+
+ * config/gcn/atomic.c: New.
+ * config/gcn/t-amdgcn (LIB2ADD): Add atomic.c.
+
+2020-01-08 Georg-Johann Lay <avr@gjlay.de>
+
+ Implement 64-bit double functions.
+
+ PR target/92055
+ * config.host (tmake_file) [target=avr]: Add t-libf7,
+ t-libf7-math, t-libf7-math-symbols as specified by --with-libf7=.
+ * config/avr/t-avrlibc: Don't copy libgcc.a if there are modules
+ depending on sizeof (double) or sizeof (long double).
+ * config/avr/libf7: New folder.
+
+2020-01-05 Olivier Hainque <hainque@adacore.com>
+
+ * config/gthr-vxworks.h: Guard #include vxAtomicLib.h
+ by IN_LIBGCC2.
+
+2020-01-01 Jakub Jelinek <jakub@redhat.com>
+
+ Update copyright years.
+
2019-12-30 Olivier Hainque <hainque@adacore.com>
* config/gthr-vxworks.h: Use _vxworks-versions.h.
shared-object.mk, siditi-object.mk, static-object.mk: New files.
* configure: Generated.
\f
-Copyright (C) 2007-2019 Free Software Foundation, Inc.
+Copyright (C) 2007-2020 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
projects / gcc.git / blobdiff