+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.