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GCC Administrator 2020-12-17 00:16:37 +00:00
parent 0b76990a9d
commit eefe499fdf
14 changed files with 864 additions and 1 deletions
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15
c++tools/ChangeLog
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2020-12-16 Nathan Sidwell <nathan@acm.org>
* Makefile.in (INSTALL): Replace with ...
(INSTALL_PROGRAM): ... this.
(INSTALL_STRIP_PROGRAM): New.
(install-strip): New target.
(install): Use INSTALL_PROGRAM.
* configure.ac: Add INSTALL_PROGRAM.
* configure: Regenerated.
2020-12-16 Nathan Sidwell <nathan@acm.org>
* Makefile.in (install): Do not use -p, use mkinstalldirs.
(clean): Fix typo.
2020-12-15 Nathan Sidwell <nathan@acm.org>
* Makefile.in: New.

417
gcc/ChangeLog
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2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* fwprop.c: Rewrite to use the RTL SSA framework.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* configure.ac: Add rtl-ssa to the list of dependence directories.
* configure: Regenerate.
* Makefile.in (rtl-ssa-warn): New variable.
(OBJS): Add the rtl-ssa object files.
* emit-rtl.h (rtl_data::ssa): New field.
* rtl-ssa.h: New file.
* system.h: Include <functional> when INCLUDE_FUNCTIONAL is defined.
* rtl-ssa/access-utils.h: Likewise.
* rtl-ssa/accesses.h: New file.
* rtl-ssa/accesses.cc: Likewise.
* rtl-ssa/blocks.h: New file.
* rtl-ssa/blocks.cc: Likewise.
* rtl-ssa/change-utils.h: Likewise.
* rtl-ssa/changes.h: New file.
* rtl-ssa/changes.cc: Likewise.
* rtl-ssa/functions.h: New file.
* rtl-ssa/functions.cc: Likewise.
* rtl-ssa/insn-utils.h: Likewise.
* rtl-ssa/insns.h: New file.
* rtl-ssa/insns.cc: Likewise.
* rtl-ssa/internals.inl: Likewise.
* rtl-ssa/is-a.inl: Likewise.
* rtl-ssa/member-fns.inl: Likewise.
* rtl-ssa/movement.h: Likewise.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* doc/rtl.texi (RTL SSA): New node.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* rtl.h (simple_regno_set): Declare.
* rtlanal.c (simple_regno_set): New function.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* rtlanal.h: New file.
(MEM_REGNO): New constant.
(rtx_obj_flags): New namespace.
(rtx_obj_reference, rtx_properties): New classes.
(growing_rtx_properties, vec_rtx_properties_base): Likewise.
(vec_rtx_properties): New alias.
* rtlanal.c: Include it.
(rtx_properties::try_to_add_reg): New function.
(rtx_properties::try_to_add_dest): Likewise.
(rtx_properties::try_to_add_src): Likewise.
(rtx_properties::try_to_add_pattern): Likewise.
(rtx_properties::try_to_add_insn): Likewise.
(vec_rtx_properties_base::grow): Likewise.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* recog.h (insn_change_watermark): New class.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* recog.h (insn_propagation): New class.
* recog.c (insn_propagation::apply_to_mem_1): New function.
(insn_propagation::apply_to_rvalue_1): Likewise.
(insn_propagation::apply_to_lvalue_1): Likewise.
(insn_propagation::apply_to_pattern_1): Likewise.
(insn_propagation::apply_to_pattern): Likewise.
(insn_propagation::apply_to_rvalue): Likewise.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* recog.h (temporarily_undo_changes, redo_changes): Declare.
* recog.c (temporarily_undone_changes): New variable.
(validate_change_1, confirm_change_group): Check that it's zero.
(cancel_changes): Likewise.
(swap_change, temporarily_undo_changes): New functions.
(redo_changes): Likewise.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* recog.h (validate_change_xveclen): Declare.
* recog.c (change_t::old_len): New field.
(validate_change_1): Add a new_len parameter. Conditionally
replace the XVECLEN of an rtx, avoiding single-element PARALLELs.
(validate_change_xveclen): New function.
(cancel_changes): Undo changes made by validate_change_xveclen.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* rtl.h (simplify_context): New class.
(simplify_unary_operation, simplify_binary_operation): Use it.
(simplify_ternary_operation, simplify_relational_operation): Likewise.
(simplify_subreg, simplify_gen_unary, simplify_gen_binary): Likewise.
(simplify_gen_ternary, simplify_gen_relational): Likewise.
(simplify_gen_subreg, lowpart_subreg): Likewise.
* simplify-rtx.c (simplify_gen_binary): Turn into a member function
of simplify_context.
(simplify_gen_unary, simplify_gen_ternary, simplify_gen_relational)
(simplify_truncation, simplify_unary_operation): Likewise.
(simplify_unary_operation_1, simplify_byte_swapping_operation)
(simplify_associative_operation, simplify_logical_relational_operation)
(simplify_binary_operation, simplify_binary_operation_series)
(simplify_distributive_operation, simplify_plus_minus): Likewise.
(simplify_relational_operation, simplify_relational_operation_1)
(simplify_cond_clz_ctz, simplify_merge_mask): Likewise.
(simplify_ternary_operation, simplify_subreg, simplify_gen_subreg)
(lowpart_subreg): Likewise.
(simplify_binary_operation_1): Likewise. Test mem_depth when
deciding whether the ASHIFT or MULT form is canonical.
(simplify_merge_mask): Use simplify_context.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* rtl.h (register_asm_p): Declare.
* recog.c (verify_changes): Split out the test for whether
a hard register is a register asm to...
* rtlanal.c (register_asm_p): ...this new function.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* print-rtl.h (print_insn_with_notes): Declare.
* print-rtl.c (print_insn_with_notes): Make non-static
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* cfgrtl.h (update_cfg_for_uncondjump): Declare.
* combine.c (update_cfg_for_uncondjump): Move to...
* cfgrtl.c: ...here.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* vec.h (array_slice): New class.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* Makefile.in (OBJS): Add splay-tree-utils.o.
* system.h: Include <array> when INCLUDE_ARRAY is defined.
* selftest.h (splay_tree_cc_tests): Declare.
* selftest-run-tests.c (selftest::run_tests): Run splay_tree_cc_tests.
* splay-tree-utils.h: New file.
* splay-tree-utils.tcc: Likewise.
* splay-tree-utils.cc: Likewise.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* mux-utils.h: New file.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* obstack-utils.h: New file.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* iterator-utils.h (derived_iterator): New class.
(const_derived_container, wrapper_iterator): Likewise.
(list_iterator): Likewise.
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* hard-reg-set.h (global_reg_set): Declare.
* reginfo.c (global_reg_set): New variable.
(init_reg_sets_1, globalize_reg): Update it when globalizing
registers.
2020-12-16 Piotr Kubaj <pkubaj@FreeBSD.org>
* config.gcc (powerpc*le-*-freebsd*): Add.
* configure.ac (powerpc*le-*-freebsd*): Ditto.
* configure: Regenerate.
* config/rs6000/freebsd64.h (ASM_SPEC_COMMON): Use ENDIAN_SELECT.
(DEFAULT_ASM_ENDIAN): Add little endian support.
(LINK_OS_FREEBSD_SPEC64): Ditto.
2020-12-16 Takayuki 'January June' Suwa <jjsuwa_sys3175@yahoo.co.jp>
* config/xtensa/xtensa.c (xtensa_emit_move_sequence): Try to
replace 'l32r' with 'movi' + 'slli' when optimizing for size.
* config/xtensa/xtensa.md (movdi): Split loading DI mode constant
into register pair into two loads of SI mode constants.
2020-12-16 Tamar Christina <tamar.christina@arm.com>
* config/arm/arm_mve.h (__arm_vcmulq_rot90_f16):
(__arm_vcmulq_rot270_f16, _arm_vcmulq_rot180_f16, __arm_vcmulq_f16,
__arm_vcmulq_rot90_f32, __arm_vcmulq_rot270_f32,
__arm_vcmulq_rot180_f32, __arm_vcmulq_f32, __arm_vcmlaq_f16,
__arm_vcmlaq_rot180_f16, __arm_vcmlaq_rot270_f16,
__arm_vcmlaq_rot90_f16, __arm_vcmlaq_f32, __arm_vcmlaq_rot180_f32,
__arm_vcmlaq_rot270_f32, __arm_vcmlaq_rot90_f32): Update builtin calls.
* config/arm/arm_mve_builtins.def (vcmulq_f, vcmulq_rot90_f,
vcmulq_rot180_f, vcmulq_rot270_f, vcmlaq_f, vcmlaq_rot90_f,
vcmlaq_rot180_f, vcmlaq_rot270_f): Removed.
(vcmulq, vcmulq_rot90, vcmulq_rot180, vcmulq_rot270, vcmlaq,
vcmlaq_rot90, vcmlaq_rot180, vcmlaq_rot270): New.
* config/arm/iterators.md (mve_rot): Add UNSPEC_VCMLA, UNSPEC_VCMLA90,
UNSPEC_VCMLA180, UNSPEC_VCMLA270, UNSPEC_VCMUL, UNSPEC_VCMUL90,
UNSPEC_VCMUL180, UNSPEC_VCMUL270.
(VCMUL): New.
* config/arm/mve.md (mve_vcmulq_f<mode, mve_vcmulq_rot180_f<mode>,
mve_vcmulq_rot270_f<mode>, mve_vcmulq_rot90_f<mode>, mve_vcmlaq_f<mode>,
mve_vcmlaq_rot180_f<mode>, mve_vcmlaq_rot270_f<mode>,
mve_vcmlaq_rot90_f<mode>): Removed.
(mve_vcmlaq<mve_rot><mode>, mve_vcmulq<mve_rot><mode>,
mve_vcaddq<mve_rot><mode>, cadd<rot><mode>3, mve_vcaddq<mve_rot><mode>):
New.
* config/arm/unspecs.md (UNSPEC_VCMUL90, UNSPEC_VCMUL270, UNSPEC_VCMUL,
UNSPEC_VCMUL180): New.
(VCMULQ_F, VCMULQ_ROT180_F, VCMULQ_ROT270_F, VCMULQ_ROT90_F,
VCMLAQ_F, VCMLAQ_ROT180_F, VCMLAQ_ROT90_F, VCMLAQ_ROT270_F): Removed.
2020-12-16 Tamar Christina <tamar.christina@arm.com>
* config/arm/arm_mve.h (__arm_vcaddq_rot90_u8, __arm_vcaddq_rot270_u8,
__arm_vcaddq_rot90_s8, __arm_vcaddq_rot270_s8,
__arm_vcaddq_rot90_u16, __arm_vcaddq_rot270_u16,
__arm_vcaddq_rot90_s16, __arm_vcaddq_rot270_s16,
__arm_vcaddq_rot90_u32, __arm_vcaddq_rot270_u32,
__arm_vcaddq_rot90_s32, __arm_vcaddq_rot270_s32,
__arm_vcaddq_rot90_f16, __arm_vcaddq_rot270_f16,
__arm_vcaddq_rot90_f32, __arm_vcaddq_rot270_f32): Update builtin calls.
* config/arm/arm_mve_builtins.def (vcaddq_rot90_u, vcaddq_rot270_u,
vcaddq_rot90_s, vcaddq_rot270_s, vcaddq_rot90_f, vcaddq_rot270_f):
Removed.
(vcaddq_rot90, vcaddq_rot270): New.
* config/arm/constraints.md (Dz): Include MVE.
* config/arm/iterators.md (mve_rot): New.
(supf): Remove VCADDQ_ROT270_S, VCADDQ_ROT270_U, VCADDQ_ROT90_S,
VCADDQ_ROT90_U.
(VCADDQ_ROT270, VCADDQ_ROT90): Removed.
* config/arm/mve.md (mve_vcaddq_rot270_<supf><mode,
mve_vcaddq_rot90_<supf><mode>, mve_vcaddq_rot270_f<mode>,
mve_vcaddq_rot90_f<mode>): Removed.
(mve_vcaddq<mve_rot><mode>, mve_vcaddq<mve_rot><mode>): New.
* config/arm/unspecs.md (VCADDQ_ROT270_S, VCADDQ_ROT90_S,
VCADDQ_ROT270_U, VCADDQ_ROT90_U, VCADDQ_ROT270_F,
VCADDQ_ROT90_F): Removed.
* config/arm/vec-common.md (cadd<rot><mode>3): New.
2020-12-16 Tamar Christina <tamar.christina@arm.com>
* config/aarch64/aarch64-simd.md (cadd<rot><mode>3): New.
* config/aarch64/iterators.md (SVE2_INT_CADD_OP): New.
* config/aarch64/aarch64-sve.md (cadd<rot><mode>3): New.
* config/aarch64/aarch64-sve2.md (cadd<rot><mode>3): New.
2020-12-16 Pat Haugen <pthaugen@linux.ibm.com>
* config/rs6000/mma.md (*movxo, mma_<vvi4i4i8>, mma_<avvi4i4i8>,
mma_<vvi4i4i2>, mma_<avvi4i4i2>, mma_<vvi4i4>, mma_<avvi4i4>,
mma_<pvi4i2>, mma_<apvi4i2>, mma_<vvi4i4i4>, mma_<avvi4i4i4>):
Remove explicit setting of length attribute.
2020-12-16 Jakub Jelinek <jakub@redhat.com>
* varasm.c (default_elf_asm_named_section): Always force
section flags even for sections with SECTION_LINK_ORDER flag.
2020-12-16 H.J. Lu <hjl.tools@gmail.com>
PR target/98146
* defaults.h (SUPPORTS_SHF_GNU_RETAIN): New.
* varasm.c (get_section): Replace HAVE_GAS_SHF_GNU_RETAIN with
SUPPORTS_SHF_GNU_RETAIN.
(resolve_unique_section): Likewise.
(get_variable_section): Likewise.
(switch_to_section): Likewise.
2020-12-16 H.J. Lu <hjl.tools@gmail.com>
PR target/98146
* varasm.c (switch_to_section): Warn when a symbol without used
attribute and a symbol with used attribute are placed in the
section with the same name.
2020-12-16 H.J. Lu <hjl.tools@gmail.com>
PR target/98146
* output.h (switch_to_section): Add a tree argument, default to
nullptr.
* varasm.c (get_section): If the SECTION_RETAIN bit doesn't match,
return and switch to a new section later.
(assemble_start_function): Pass decl to switch_to_section.
(assemble_variable): Likewise.
(switch_to_section): If the SECTION_RETAIN bit doesn't match,
switch to a new section.
2020-12-16 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/96239
* gimple-ssa-store-merging.c (find_bswap_or_nop): Handle a vector
CONSTRUCTOR.
(bswap_replace): Likewise.
2020-12-16 Martin Liska <mliska@suse.cz>
* common.opt: Remove usage of Report.
* config/aarch64/aarch64.opt: Ditto.
* config/alpha/alpha.opt: Ditto.
* config/arc/arc.opt: Ditto.
* config/arm/arm.opt: Ditto.
* config/avr/avr.opt: Ditto.
* config/bfin/bfin.opt: Ditto.
* config/bpf/bpf.opt: Ditto.
* config/c6x/c6x.opt: Ditto.
* config/cr16/cr16.opt: Ditto.
* config/cris/cris.opt: Ditto.
* config/cris/elf.opt: Ditto.
* config/csky/csky.opt: Ditto.
* config/darwin.opt: Ditto.
* config/fr30/fr30.opt: Ditto.
* config/frv/frv.opt: Ditto.
* config/ft32/ft32.opt: Ditto.
* config/gcn/gcn.opt: Ditto.
* config/i386/cygming.opt: Ditto.
* config/i386/i386.opt: Ditto.
* config/ia64/ia64.opt: Ditto.
* config/ia64/ilp32.opt: Ditto.
* config/linux-android.opt: Ditto.
* config/linux.opt: Ditto.
* config/lm32/lm32.opt: Ditto.
* config/m32r/m32r.opt: Ditto.
* config/m68k/m68k.opt: Ditto.
* config/mcore/mcore.opt: Ditto.
* config/microblaze/microblaze.opt: Ditto.
* config/mips/mips.opt: Ditto.
* config/mmix/mmix.opt: Ditto.
* config/mn10300/mn10300.opt: Ditto.
* config/moxie/moxie.opt: Ditto.
* config/msp430/msp430.opt: Ditto.
* config/nds32/nds32.opt: Ditto.
* config/nios2/elf.opt: Ditto.
* config/nios2/nios2.opt: Ditto.
* config/nvptx/nvptx.opt: Ditto.
* config/pa/pa.opt: Ditto.
* config/pdp11/pdp11.opt: Ditto.
* config/pru/pru.opt: Ditto.
* config/riscv/riscv.opt: Ditto.
* config/rl78/rl78.opt: Ditto.
* config/rs6000/aix64.opt: Ditto.
* config/rs6000/linux64.opt: Ditto.
* config/rs6000/rs6000.opt: Ditto.
* config/rs6000/sysv4.opt: Ditto.
* config/rx/elf.opt: Ditto.
* config/rx/rx.opt: Ditto.
* config/s390/s390.opt: Ditto.
* config/s390/tpf.opt: Ditto.
* config/sh/sh.opt: Ditto.
* config/sol2.opt: Ditto.
* config/sparc/long-double-switch.opt: Ditto.
* config/sparc/sparc.opt: Ditto.
* config/tilegx/tilegx.opt: Ditto.
* config/tilepro/tilepro.opt: Ditto.
* config/v850/v850.opt: Ditto.
* config/visium/visium.opt: Ditto.
* config/vms/vms.opt: Ditto.
* config/vxworks.opt: Ditto.
* config/xtensa/xtensa.opt: Ditto.
2020-12-16 Martin Liska <mliska@suse.cz>
* doc/options.texi: Remove Report keyword.
* opt-functions.awk: Print error when Report keyword
is used.
* optc-gen.awk: Do not handle Report keyword.
* opts.h (struct cl_option): Remove cl_report bitfield flag.
2020-12-16 Martin Liska <mliska@suse.cz>
PR sanitizer/97868
* common.opt: Add new warning -Wtsan.
* doc/invoke.texi: Likewise.
* tsan.c (instrument_builtin_call): Warn users about unsupported
std::atomic_thread_fence.
2020-12-16 Martin Liska <mliska@suse.cz>
PR rtl-optimization/98271
PR rtl-optimization/98276
PR tree-optimization/98279
* opts-common.c (set_option): Do not allow overflow for integer
arguments.
2020-12-16 Eric Botcazou <ebotcazou@adacore.com>
PR tree-optimization/98272
* tree-switch-conversion.c (bit_test_cluster::emit): When finding
out whether the entry test can be merged in the bit test, do the
computation using the type of the index expression.
2020-12-16 Kewen Lin <linkw@linux.ibm.com>
* config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
paradoxical subreg instead of zero_extend for QI/HI promotion.
2020-12-16 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR target/66791
* config/arm/arm_neon.h: Replace calls to __builtin_vcgt* by
<, > operators in vclt and vcgt intrinsics respectively.
* config/arm/arm_neon_builtins.def: Remove entry for
vcgt and vcgtu.
2020-12-16 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR target/66791
* config/arm/arm_neon.h: Replace calls to __builtin_vneg* by - operator
in vneg intrinsics.
* config/arm/arm_neon_builtins.def: Remove entry for vneg.
2020-12-16 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR target/66791
* config/arm/arm_neon.h: Replace calls to __builtin_vcreate*
in vcreate intrinsics.
* config/arm/arm_neon_builtins.def: Remove entry for vcreate.
2020-12-15 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/96094

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gcc/DATESTAMP
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20201216
20201217

118
gcc/ada/ChangeLog
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@ -1,3 +1,121 @@
2020-12-16 Arnaud Charlet <charlet@adacore.com>
* ali.ads, ali.adb, bindo-writers.adb, lib-writ.adb (Scope):
Renamed to IS_Scope.
2020-12-16 Joffrey Huguet <huguet@adacore.com>
* libgnat/a-strfix.ads: Add postconditions and contract cases to
subprograms.
2020-12-16 Ed Schonberg <schonberg@adacore.com>
* sem_ch5.adb (Analyze_Iterator_Specification): If iterator
filter is present, preanalyze filter without expansion.
(Analyze_Loop_Parameter_Specification): When
loop_Parameter_Specification is rewritten as
Iterator_Specification, transfer Iterator_Filter if present.
2020-12-16 Doug Rupp <rupp@adacore.com>
* libgnat/s-objrea.ads (Object_Arch): Add ARM enum
* libgnat/s-objrea.adb (Initialize): Add EM_ARM case.
(Read_Address): Add ARM case to 32bit read.
* Makefile.rtl: Add trasym units to the runtime for armhf-linux.
2020-12-16 Dmitriy Anisimkov <anisimko@adacore.com>
* libgnat/g-expect.adb (Non_Blocking_Spawn): Deallocate elements
on Arg_List after calling Set_Up_Child_Communications.
2020-12-16 Piotr Trojanek <trojanek@adacore.com>
* par-ch3.adb (P_Modular_Type_Definition): Remove colon from
error message.
* sem_ch11.adb (Check_Duplication): Likewise.
* sem_ch3.adb (Derived_Type_Declaration): Likewise.
2020-12-16 Piotr Trojanek <trojanek@adacore.com>
* par-ch12.adb (P_Formal_Object_Declarations): Refine types to
Pos.
2020-12-16 Piotr Trojanek <trojanek@adacore.com>
* impunit.adb (Not_Impl_Defined_Unit): Fix typo in iteration
over Non_Imp_File_Names_12 array.
2020-12-16 Piotr Trojanek <trojanek@adacore.com>
* exp_ch9.adb, sem_warn.adb: Simplify membership test.
2020-12-16 Piotr Trojanek <trojanek@adacore.com>
* exp_ch6.adb, exp_util.adb, sem_ch4.adb, sem_disp.adb,
sem_elab.adb: Simplify membership test.
2020-12-16 Eric Botcazou <ebotcazou@adacore.com>
* libgnat/s-powtab.ads (Maxpow): Use explicit formula in comment.
2020-12-16 Philippe Gil <gil@adacore.com>
* libgnarl/s-tporft.adb (Register_Foreign_Thread): Set
Global_Task_Lock_Nesting before using allocator.
2020-12-16 Eric Botcazou <ebotcazou@adacore.com>
* libgnat/s-valrea.adb (Maxexp32): New constant array.
(Maxexp64): Likewise.
(Maxexp80): Likewise.
(Integer_to_Real): New local constants Maxexp and B.
When the exponent is too negative, do the divison in two steps.
2020-12-16 Piotr Trojanek <trojanek@adacore.com>
* doc/gnat_rm/implementation_defined_pragmas.rst
(Test_Case): Change integer to float literals.
* gnat_rm.texi: Regenerate.
2020-12-16 Piotr Trojanek <trojanek@adacore.com>
* sem_ch13.adb (Analyze_Aspect_Specifications): Add a codefix
for extra parentheses around aspect Annotate expression; reject
"(null record)" aggregate and extra parentheses around aspect
Test_Case expression.
* sem_prag.adb (Analyze_Pragma): Reject "null", "(null record)"
and extra parentheses around pragma Contract_Cases; likewise for
pragma Subprogram_Variant.
2020-12-16 Dmitriy Anisimkov <anisimko@adacore.com>
* adaint.h (__gnat_in_child_after_fork): New flag to express
child process side after fork call.
* adaint.c (__gnat_portable_spawn): Set flag
__gnat_in_child_after_fork.
* expect.c (__gnat_expect_fork): Set __gnat_in_child_after_fork
to one on child side.
* libgnat/memtrack.adb
(In_Child_After_Fork): Flag to disable memory tracking.
(Allow_Trace): New routine defining if memory should be tracked.
(Alloc, Realloc, Free): Use Allow_Trace in "if" condition
instead of First_Call.
2020-12-16 Yannick Moy <moy@adacore.com>
* libgnat/a-tifiio.adb: Mark body not in SPARK.
* libgnat/a-tifiio.ads: Mark spec in SPARK.
* libgnat/a-tifiio__128.adb: Mark body not in SPARK.
2020-12-16 Eric Botcazou <ebotcazou@adacore.com>
* libgnat/s-valuer.adb (Scan_Decimal_Digits): Tweak overflow test.
(Scan_Integral_Digits): Likewise.
2020-12-16 Pascal Obry <obry@adacore.com>
* s-oscons-tmplt.c: Add some OS constants.
2020-12-15 Pascal Obry <obry@adacore.com>
* libgnat/g-sercom__linux.adb (Set): Use cfsetospeed and

4
gcc/brig/ChangeLog
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@ -1,3 +1,7 @@
2020-12-16 Martin Liska <mliska@suse.cz>
* lang.opt: Remove usage of Report.
2020-11-20 Jakub Jelinek <jakub@redhat.com>
PR other/97911

4
gcc/c-family/ChangeLog
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@ -1,3 +1,7 @@
2020-12-16 Martin Liska <mliska@suse.cz>
* c.opt: Remove usage of Report.
2020-12-14 Martin Sebor <msebor@redhat.com>
PR middle-end/98166

11
gcc/c/ChangeLog
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@ -1,3 +1,14 @@
2020-12-16 Martin Uecker <muecker@gwdg.de>
PR c/98047
* c-typeck.c (build_modify_expr): Drop qualifiers.
2020-12-16 Martin Uecker <muecker@gwdg.de>
PR c/98260
* c-parser.c (c_parser_expression): Look into
nop expression when marking expressions as read.
2020-12-14 Martin Liska <mliska@suse.cz>
PR sanitizer/98204

29
gcc/cp/ChangeLog
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@ -1,3 +1,32 @@
2020-12-16 Nathan Sidwell <nathan@acm.org>
* mapper-resolver.cc: Remove early include of
sys/socket.h. Specify no CODY_NETWORKING instead.
* module.cc: Specify no CODY_NETWORKING.
2020-12-16 Nathan Sidwell <nathan@acm.org>
* parser.c (cp_parser_elaborated_type_specifier): Test
BOUND_TEMPLATE_TEMPLATE_PARM before checking for instantiation.
2020-12-16 Nathan Sidwell <nathan@acm.org>
* module.cc (dumper::push): Clangify offsetof use.
2020-12-16 Nathan Sidwell <nathan@acm.org>
* mapper-resolver.cc: #include sys/socket before system.h
due to poisoned bcopy use.
2020-12-16 Nathan Sidwell <nathan@acm.org>
* module.cc (loc_spans): Make spans a pointer, not inline.
Adjust all accesses.
2020-12-16 Nathan Sidwell <nathan@acm.org>
* mapper-client.cc: Include sys/socket.h before system.h.
2020-12-15 Patrick Palka <ppalka@redhat.com>
* pt.c (in_template_function): Inspect cfun->decl instead of

6
gcc/fortran/ChangeLog
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@ -1,3 +1,9 @@
2020-12-16 Harald Anlauf <anlauf@gmx.de>
PR fortran/98284
* resolve.c (check_data_variable): Reject DATA elements with the
ALLOCATABLE attribute.
2020-12-15 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/90207

4
gcc/lto/ChangeLog
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@ -1,3 +1,7 @@
2020-12-16 Martin Liska <mliska@suse.cz>
* lang.opt: Remove usage of Report.
2020-11-20 Jakub Jelinek <jakub@redhat.com>
PR other/97911

89
gcc/testsuite/ChangeLog
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@ -1,3 +1,92 @@
2020-12-17 Richard Sandiford <richard.sandiford@arm.com>
* gcc.dg/rtl/x86_64/test-return-const.c.before-fwprop.c: Don't
expect insn updates to be deferred.
* gcc.target/aarch64/sve/acle/asm/st4_s8.c: Expect the addition
to be folded into the address.
* gcc.target/aarch64/sve/acle/asm/st4_u8.c: Likewise.
2020-12-16 Martin Uecker <muecker@gwdg.de>
PR c/98047
* gcc.dg/qual-assign-7.c: New test.
2020-12-16 Martin Uecker <muecker@gwdg.de>
PR c/98260
* gcc.dg/unused-9.c: New test.
2020-12-16 David Edelsohn <dje.gcc@gmail.com>
PR target/98280
* gcc.target/powerpc/fold-vec-logical-ors-char.c: Adjust count.
* gcc.target/powerpc/fold-vec-logical-ors-int.c: Adjust count.
* gcc.target/powerpc/fold-vec-logical-ors-longlong.c: Adjust count.
* gcc.target/powerpc/fold-vec-logical-ors-short.c: Adjust count.
* gcc.target/powerpc/fold-vec-logical-other-char.c: Adjust count.
* gcc.target/powerpc/fold-vec-logical-other-int.c: Adjust count.
* gcc.target/powerpc/fold-vec-logical-other-longlong.c: Adjust count.
* gcc.target/powerpc/fold-vec-logical-other-short.c: Adjust count.
2020-12-16 Nathan Sidwell <nathan@acm.org>
* g++.dg/template/pr98297.C: New.
2020-12-16 Harald Anlauf <anlauf@gmx.de>
PR fortran/98284
* gfortran.dg/pr98284.f90: New test.
2020-12-16 H.J. Lu <hjl.tools@gmail.com>
PR target/98146
* lib/target-supports.exp
(check_effective_target_R_flag_in_section): Also check
HAVE_INITFINI_ARRAY_SUPPORT != 0.
2020-12-16 H.J. Lu <hjl.tools@gmail.com>
PR target/98146
* c-c++-common/attr-used-5.c: Updated.
* c-c++-common/attr-used-6.c: Likewise.
* c-c++-common/attr-used-7.c: Likewise.
* c-c++-common/attr-used-8.c: Likewise.
2020-12-16 H.J. Lu <hjl.tools@gmail.com>
PR target/98146
* c-c++-common/attr-used-5.c: New test.
* c-c++-common/attr-used-6.c: Likewise.
* c-c++-common/attr-used-7.c: Likewise.
* c-c++-common/attr-used-8.c: Likewise.
* c-c++-common/attr-used-9.c: Likewise.
2020-12-16 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/96239
* gcc.dg/pr96239.c: New test.
2020-12-16 Martin Liska <mliska@suse.cz>
PR sanitizer/97868
* gcc.dg/tsan/atomic-fence.c: New test.
2020-12-16 Martin Liska <mliska@suse.cz>
PR rtl-optimization/98271
PR rtl-optimization/98276
PR tree-optimization/98279
* gcc.dg/pr98271.c: New test.
2020-12-16 Eric Botcazou <ebotcazou@adacore.com>
* gcc.dg/pr98272.c: New test.
2020-12-16 Kewen Lin <linkw@linux.ibm.com>
* gcc.target/powerpc/pr96933-1.c: Adjusted to check no rlwinm.
* gcc.target/powerpc/pr96933-2.c: Likewise.
2020-12-15 Marek Polacek <polacek@redhat.com>
* g++.dg/cpp0x/constexpr-52830.C: Remove dg-ice.

27
libcody/ChangeLog
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@ -1,3 +1,30 @@
2020-12-16 Nathan Sidwell <nathan@acm.org>
* cody.hh: Allow user to set CODY_NETWORKING.
2020-12-16 Jakub Jelinek <jakub@redhat.com>
* configure.ac: Compute is_release.
(NMS_ENABLE_CHECKING): Simplify but not computing ac_assert_checking
and ac_valgrind_checking the code doesn't use.
* configure: Regenerated.
2020-12-16 Jonathan Wakely <jwakely@redhat.com>
* internal.hh: Define fallback macros for __has_builtin and
__has_include. Use __has_builtin for __builtin_FILE and
__builtin_LINE. Define alias for std::source_location.
2020-12-16 Nathan Sidwell <nathan@acm.org>
* configure.ac: Use libcpp's enable-checking code.
* configure: Rebuilt.
2020-12-16 Nathan Sidwell <nathan@acm.org>
* config.m4: Replace V+="..." with V="$V..."
* configure: Rebuilt.
2020-12-15 Marek Polacek <polacek@redhat.com>
* buffer.cc (MessageBuffer::Lex): Remove unused variable.

134
libstdc++-v3/ChangeLog
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@ -1,3 +1,137 @@
2020-12-16 Jonathan Wakely <jwakely@redhat.com>
* Makefile.in: Regenerate.
* config.h.in: Regenerate.
* config/abi/pre/gnu.ver: Make patterns less greedy.
* config/os/gnu-linux/ldbl-ieee128-extra.ver: New file with patterns
for IEEE128 long double symbols.
* configure: Regenerate.
* configure.ac: Enable alternative 128-bit long double format on
powerpc64*-*-linux*.
* doc/Makefile.in: Regenerate.
* fragment.am: Regenerate.
* include/Makefile.am: Set _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT.
* include/Makefile.in: Regenerate.
* include/bits/c++config: Define inline namespace for new long
double symbols. Don't define _GLIBCXX_USE_FLOAT128 when it's the
same type as long double.
* include/bits/locale_classes.h [_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT]
(locale::_Impl::_M_init_extra_ldbl128): Declare new member function.
* include/bits/locale_facets.h (_GLIBCXX_NUM_FACETS): Simplify by
only counting narrow character facets.
(_GLIBCXX_NUM_CXX11_FACETS): Likewise.
(_GLIBCXX_NUM_LBDL_ALT128_FACETS): New.
[_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT] (num_get::__do_get): Define
vtable placeholder for __ibm128 long double type.
[_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && __LONG_DOUBLE_IEEE128__]
(num_get::__do_get): Declare vtable placeholder for __ibm128 long
double type.
[_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && __LONG_DOUBLE_IEEE128__]
(num_put::__do_put): Likewise.
* include/bits/locale_facets.tcc
[_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && __LONG_DOUBLE_IEEE128__]
(num_get::__do_get, num_put::__do_put): Define.
* include/bits/locale_facets_nonio.h
[_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && __LONG_DOUBLE_IEEE128__]
(money_get::__do_get): Declare vtable placeholder for __ibm128 long
double type.
[_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && __LONG_DOUBLE_IEEE128__]
(money_put::__do_put): Likewise.
* include/bits/locale_facets_nonio.tcc
[_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && __LONG_DOUBLE_IEEE128__]
(money_get::__do_get, money_put::__do_put): Define.
* include/ext/numeric_traits.h [_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT]
(__numeric_traits<__ibm128>, __numeric_traits<__ieee128>): Define.
* libsupc++/Makefile.in: Regenerate.
* po/Makefile.in: Regenerate.
* python/Makefile.in: Regenerate.
* src/Makefile.am: Add compatibility-ldbl-alt128.cc and
compatibility-ldbl-alt128-cxx11.cc sources and recipes for objects.
* src/Makefile.in: Regenerate.
* src/c++11/Makefile.in: Regenerate.
* src/c++11/compatibility-ldbl-alt128-cxx11.cc: New file defining
symbols using the old 128-bit long double format, for the cxx11 ABI.
* src/c++11/compatibility-ldbl-alt128.cc: Likewise, for the
gcc4-compatible ABI.
* src/c++11/compatibility-ldbl-facets-aliases.h: New header for long
double compat aliases.
* src/c++11/cow-locale_init.cc: Add comment.
* src/c++11/cxx11-locale-inst.cc: Define C and C_is_char
unconditionally.
* src/c++11/cxx11-wlocale-inst.cc: Add sanity check. Include
locale-inst.cc directly, not via cxx11-locale-inst.cc.
* src/c++11/locale-inst-monetary.h: New header for monetary
category instantiations.
* src/c++11/locale-inst-numeric.h: New header for numeric category
instantiations.
* src/c++11/locale-inst.cc: Include new headers for monetary,
numeric, and long double definitions.
* src/c++11/wlocale-inst.cc: Remove long double compat aliases that
are defined in new header now.
* src/c++17/Makefile.am: Use -mabi=ibmlongdouble for
floating_from_chars.cc.
* src/c++17/Makefile.in: Regenerate.
* src/c++17/floating_from_chars.cc (from_chars_impl): Add
if-constexpr branch for __ieee128.
(from_chars): Overload for __ieee128.
* src/c++20/Makefile.in: Regenerate.
* src/c++98/Makefile.in: Regenerate.
* src/c++98/locale_init.cc (num_facets): Adjust calculation.
(locale::_Impl::_Impl(size_t)): Call _M_init_extra_ldbl128.
* src/c++98/localename.cc (num_facets): Adjust calculation.
(locale::_Impl::_Impl(const char*, size_t)): Call
_M_init_extra_ldbl128.
* src/filesystem/Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
* testsuite/util/testsuite_abi.cc: Add new symbol versions.
Allow new symbols to be added to GLIBCXX_IEEE128_3.4.29 and
CXXABI_IEEE128_1.3.13 too.
* testsuite/26_numerics/complex/abi_tag.cc: Add u9__ieee128 to
regex matching expected symbols.
2020-12-16 Jonathan Wakely <jwakely@redhat.com>
* include/std/utility: Use __has_builtin without checking if
it's defined.
2020-12-16 Jonathan Wakely <jwakely@redhat.com>
* include/bits/c++config: Warn if __STRICT_ANSI__ state is
inconsistent with __GLIBCXX_TYPE_INT_N_0.
2020-12-16 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/96083
* include/ext/throw_allocator.h: Use __has_builtin to check for
__builtin_sprintf support, and use std::sprtinf if necessary.
2020-12-16 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/98319
* include/experimental/random: Only define contents for C++14
and later.
* include/experimental/source_location: Likewise.
* include/experimental/utility: Likewise.
* testsuite/experimental/feat-lib-fund.cc: Include all LFTS
headers that are present. Allow test to run for all modes.
2020-12-16 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/46447
* testsuite/performance/29_atomics/atomic_flag.cc: New test.
2020-12-16 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/93151
* acinclude.m4 (GLIBCXX_CHECK_SYSTEM_ERROR): Remove.
* configure.ac: Regenerate.
* config/os/generic/error_constants.h: Test POSIX errno macros
directly, instead of corresponding _GLIBCXX_HAVE_EXXX macros.
* testsuite/19_diagnostics/headers/system_error/errc_std_c++0x.cc:
Likewise.
* testsuite/19_diagnostics/headers/system_error/93151.cc: New
test.
2020-12-15 Jonathan Wakely <jwakely@redhat.com>
Revert:

5
maintainer-scripts/ChangeLog
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@ -1,3 +1,8 @@
2020-12-16 Jakub Jelinek <jakub@redhat.com>
* update_version_git: Put BASEDIR into /sourceware/snapshot-tmp/gcc
if it exist.
2020-05-29 Martin Liska <mliska@suse.cz>
* bugzilla-close-candidate.py: Fix sorting of branches.