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GCC Administrator 2023-12-16 00:17:35 +00:00
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gcc/ChangeLog
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2023-12-15 Mary Bennett <mary.bennett@embecosm.com>
* config/riscv/constraints.md: CVP2 -> CV_alu_pow2.
* config/riscv/corev.md: Likewise.
2023-12-15 Mary Bennett <mary.bennett@embecosm.com>
* common/config/riscv/riscv-common.cc: Add XCVelw.
* config/riscv/corev.def: Likewise.
* config/riscv/corev.md: Likewise.
* config/riscv/riscv-builtins.cc (AVAIL): Likewise.
* config/riscv/riscv-ftypes.def: Likewise.
* config/riscv/riscv.opt: Likewise.
* doc/extend.texi: Add XCVelw builtin documentation.
* doc/sourcebuild.texi: Likewise.
2023-12-15 Jeff Law <jlaw@ventanamicro.com>
PR target/110201
* config/riscv/constraints.md (D03, DsA): Remove unused constraints.
* config/riscv/predicates.md (const_0_3_operand): New predicate.
(const_0_10_operand): Likewise.
* config/riscv/crypto.md (riscv_aes32dsi): Use new predicate. Drop
unnecessary constraint.
(riscv_aes32dsmi, riscv_aes64im, riscv_aes32esi): Likewise.
(riscv_aes32esmi, *riscv_<sm4_op>_si): Likewise.
(riscv_<sm4_op>_di_extend, riscv_<sm4_op>_si): Likewise.
2023-12-15 Alex Coplan <alex.coplan@arm.com>
* config.gcc: Add aarch64-ldp-fusion.o to extra_objs for aarch64.
* config/aarch64/aarch64-passes.def: Add copies of pass_ldp_fusion
before and after RA.
* config/aarch64/aarch64-protos.h (make_pass_ldp_fusion): Declare.
* config/aarch64/aarch64.opt (-mearly-ldp-fusion): New.
(-mlate-ldp-fusion): New.
(--param=aarch64-ldp-alias-check-limit): New.
(--param=aarch64-ldp-writeback): New.
* config/aarch64/t-aarch64: Add rule for aarch64-ldp-fusion.o.
* config/aarch64/aarch64-ldp-fusion.cc: New file.
* doc/invoke.texi (AArch64 Options): Document new
-m{early,late}-ldp-fusion options.
2023-12-15 Alex Coplan <alex.coplan@arm.com>
* config/aarch64/aarch64-ldpstp.md: Abstract ldp/stp
representation from peepholes, allowing use of new form.
* config/aarch64/aarch64-modes.def (V2x4QImode): Define.
* config/aarch64/aarch64-protos.h
(aarch64_finish_ldpstp_peephole): Declare.
(aarch64_swap_ldrstr_operands): Delete declaration.
(aarch64_gen_load_pair): Adjust parameters.
(aarch64_gen_store_pair): Likewise.
* config/aarch64/aarch64-simd.md (load_pair<DREG:mode><DREG2:mode>):
Delete.
(vec_store_pair<DREG:mode><DREG2:mode>): Delete.
(load_pair<VQ:mode><VQ2:mode>): Delete.
(vec_store_pair<VQ:mode><VQ2:mode>): Delete.
* config/aarch64/aarch64.cc (aarch64_pair_mode_for_mode): New.
(aarch64_gen_store_pair): Adjust to use new unspec form of stp.
Drop second mem from parameters.
(aarch64_gen_load_pair): Likewise.
(aarch64_pair_mem_from_base): New.
(aarch64_save_callee_saves): Emit REG_CFA_OFFSET notes for
frame-related saves. Adjust call to aarch64_gen_store_pair
(aarch64_restore_callee_saves): Adjust calls to
aarch64_gen_load_pair to account for change in interface.
(aarch64_process_components): Likewise.
(aarch64_classify_address): Handle 32-byte pair mems in
LDP_STP_N case.
(aarch64_print_operand): Likewise.
(aarch64_copy_one_block_and_progress_pointers): Adjust calls to
account for change in aarch64_gen_{load,store}_pair interface.
(aarch64_set_one_block_and_progress_pointer): Likewise.
(aarch64_finish_ldpstp_peephole): New.
(aarch64_gen_adjusted_ldpstp): Adjust to use generation helper.
* config/aarch64/aarch64.md (ldpstp): New attribute.
(load_pair_sw_<SX:mode><SX2:mode>): Delete.
(load_pair_dw_<DX:mode><DX2:mode>): Delete.
(load_pair_dw_<TX:mode><TX2:mode>): Delete.
(*load_pair_<ldst_sz>): New.
(*load_pair_16): New.
(store_pair_sw_<SX:mode><SX2:mode>): Delete.
(store_pair_dw_<DX:mode><DX2:mode>): Delete.
(store_pair_dw_<TX:mode><TX2:mode>): Delete.
(*store_pair_<ldst_sz>): New.
(*store_pair_16): New.
(*load_pair_extendsidi2_aarch64): Adjust to use new form.
(*zero_extendsidi2_aarch64): Likewise.
* config/aarch64/iterators.md (VPAIR): New.
* config/aarch64/predicates.md (aarch64_mem_pair_operand): Change to
a special predicate derived from aarch64_mem_pair_operator.
2023-12-15 Alex Coplan <alex.coplan@arm.com>
* config/aarch64/aarch64-protos.h (aarch64_ldpstp_operand_mode_p): Declare.
* config/aarch64/aarch64.cc (aarch64_gen_storewb_pair): Build RTL
directly instead of invoking named pattern.
(aarch64_gen_loadwb_pair): Likewise.
(aarch64_ldpstp_operand_mode_p): New.
* config/aarch64/aarch64.md (loadwb_pair<GPI:mode>_<P:mode>): Replace with
...
(*loadwb_post_pair_<ldst_sz>): ... this. Generalize as described
in cover letter.
(loadwb_pair<GPF:mode>_<P:mode>): Delete (superseded by the
above).
(*loadwb_post_pair_16): New.
(*loadwb_pre_pair_<ldst_sz>): New.
(loadwb_pair<TX:mode>_<P:mode>): Delete.
(*loadwb_pre_pair_16): New.
(storewb_pair<GPI:mode>_<P:mode>): Replace with ...
(*storewb_pre_pair_<ldst_sz>): ... this. Generalize as
described in cover letter.
(*storewb_pre_pair_16): New.
(storewb_pair<GPF:mode>_<P:mode>): Delete.
(*storewb_post_pair_<ldst_sz>): New.
(storewb_pair<TX:mode>_<P:mode>): Delete.
(*storewb_post_pair_16): New.
* config/aarch64/predicates.md (aarch64_mem_pair_operator): New.
(pmode_plus_operator): New.
(aarch64_ldp_reg_operand): New.
(aarch64_stp_reg_operand): New.
2023-12-15 Alex Coplan <alex.coplan@arm.com>
* config/aarch64/aarch64.cc (aarch64_print_address_internal): Handle SVE
modes when printing ldp/stp addresses.
2023-12-15 Alex Coplan <alex.coplan@arm.com>
* config/aarch64/aarch64-protos.h (aarch64_const_zero_rtx_p): New.
* config/aarch64/aarch64.cc (aarch64_const_zero_rtx_p): New.
Use it ...
(aarch64_print_operand): ... here. Recognize CONST0_RTXes in
modes other than VOIDmode.
2023-12-15 Xiao Zeng <zengxiao@eswincomputing.com>
* common/config/riscv/riscv-common.cc:
(riscv_implied_info): Add zvfbfmin item.
(riscv_ext_version_table): Ditto.
(riscv_ext_flag_table): Ditto.
* config/riscv/riscv.opt:
(MASK_ZVFBFMIN): New macro.
(MASK_VECTOR_ELEN_BF_16): Ditto.
(TARGET_ZVFBFMIN): Ditto.
2023-12-15 Wilco Dijkstra <wilco.dijkstra@arm.com>
* config/aarch64/aarch64.opt (aarch64_mops_memmove_size_threshold):
Change default.
* config/aarch64/aarch64.md (cpymemdi): Add a parameter.
(movmemdi): Call aarch64_expand_cpymem.
* config/aarch64/aarch64.cc (aarch64_copy_one_block): Rename function,
simplify, support storing generated loads/stores.
(aarch64_expand_cpymem): Support expansion of memmove.
* config/aarch64/aarch64-protos.h (aarch64_expand_cpymem): Add bool arg.
2023-12-15 Juzhe-Zhong <juzhe.zhong@rivai.ai>
* config/riscv/riscv-v.cc (shuffle_merge_patterns): Fix bug.
2023-12-15 Jakub Jelinek <jakub@redhat.com>
* target.h (struct bitint_info): Add abi_limb_mode member, adjust
comment.
* target.def (bitint_type_info): Mention abi_limb_mode instead of
limb_mode.
* varasm.cc (output_constant): Use abi_limb_mode rather than
limb_mode.
* stor-layout.cc (finish_bitfield_representative): Likewise. Assert
that if precision is smaller or equal to abi_limb_mode precision or
if info.big_endian is different from WORDS_BIG_ENDIAN, info.limb_mode
must be the same as info.abi_limb_mode.
(layout_type): Use abi_limb_mode rather than limb_mode.
* gimple-fold.cc (clear_padding_bitint_needs_padding_p): Likewise.
(clear_padding_type): Likewise.
* config/i386/i386.cc (ix86_bitint_type_info): Also set
info->abi_limb_mode.
* doc/tm.texi: Regenerated.
2023-12-15 Julian Brown <julian@codesourcery.com>
* gimplify.cc (extract_base_bit_offset): Add VARIABLE_OFFSET parameter.
(omp_get_attachment, omp_group_last, omp_group_base,
omp_directive_maps_explicitly): Add GOMP_MAP_STRUCT_UNORD support.
(omp_accumulate_sibling_list): Update calls to extract_base_bit_offset.
Support GOMP_MAP_STRUCT_UNORD.
(omp_build_struct_sibling_lists, gimplify_scan_omp_clauses,
gimplify_adjust_omp_clauses, gimplify_omp_target_update): Add
GOMP_MAP_STRUCT_UNORD support.
* omp-low.cc (lower_omp_target): Add GOMP_MAP_STRUCT_UNORD support.
* tree-pretty-print.cc (dump_omp_clause): Likewise.
2023-12-15 Alex Coplan <alex.coplan@arm.com>
PR target/112906
* config/aarch64/aarch64-sve.md (@aarch64_vec_duplicate_vq<mode>_le):
Use force_reload_address to reload addresses that aren't suitable for
ld1rq in the pre-RA splitter.
2023-12-15 Alex Coplan <alex.coplan@arm.com>
PR target/112906
* emit-rtl.cc (address_reload_context::emit_autoinc): New.
(force_reload_address): New.
* emit-rtl.h (struct address_reload_context): Declare.
(force_reload_address): Declare.
* lra-constraints.cc (class lra_autoinc_reload_context): New.
(emit_inc): Drop IN parameter, invoke
code moved to emit-rtl.cc:address_reload_context::emit_autoinc.
(curr_insn_transform): Drop redundant IN parameter in call to
emit_inc.
* recog.h (class recog_data_saver): New.
2023-12-15 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/113024
* match.pd (two conversions in a row): Simplify scalar integer
sign-extension followed by truncation.
2023-12-15 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/113003
* gimple-lower-bitint.cc (arith_overflow_arg_kind): New function.
(gimple_lower_bitint): Use it to catch .{ADD,SUB,MUL}_OVERFLOW
calls with large/huge INTEGER_CST arguments.
2023-12-15 Gerald Pfeifer <gerald@pfeifer.com>
* doc/install.texi (Specific) <nvptx-*-none>: Update nvptx-tools
Github link.
2023-12-15 Hongyu Wang <hongyu.wang@intel.com>
PR target/112824
* config/i386/i386-options.cc (ix86_option_override_internal):
Sync ix86_move_max/ix86_store_max with prefer_vector_width when
it is explicitly set.
2023-12-15 Haochen Jiang <haochen.jiang@intel.com>
* config/i386/driver-i386.cc (host_detect_local_cpu): Do not
set Grand Ridge depending on RAO-INT.
* config/i386/i386.h: Remove PTA_RAOINT from PTA_GRANDRIDGE.
* doc/invoke.texi: Adjust documentation.
2023-12-15 Juzhe-Zhong <juzhe.zhong@rivai.ai>
PR target/112387
* config/riscv/riscv.cc: Adapt generic cost model same ARM SVE.
2023-12-15 Juzhe-Zhong <juzhe.zhong@rivai.ai>
PR target/111153
* tree-vect-loop.cc (vect_estimate_min_profitable_iters):
Remove address cost for select_vl/decrement IV.
2023-12-14 Andrew Pinski <quic_apinski@quicinc.com>
PR middle-end/111260

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gcc/DATESTAMP
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20231215
20231216

14
gcc/cp/ChangeLog
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2023-12-15 Patrick Palka <ppalka@redhat.com>
PR c++/70435
PR c++/88061
* pt.cc (tsubst_function_decl): Propagate DECL_SECTION_NAME
via set_decl_section_name.
(tsubst_decl) <case VAR_DECL>: Likewise.
2023-12-15 Patrick Palka <ppalka@redhat.com>
PR c++/109715
* mangle.cc (get_abi_tags): Strip TEMPLATE_DECL before looking
up the abi_tag attribute.
2023-12-14 Marek Polacek <polacek@redhat.com>
PR c++/112482

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gcc/fortran/ChangeLog
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2023-12-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/112783
* intrinsic.texi: Fix where no COMPLEX allowed.
* invoke.texi: Clarify -fdev-math.
2023-12-14 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/112873

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gcc/m2/ChangeLog
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2023-12-15 Gaius Mulley <gaiusmod2@gmail.com>
PR modula2/112946
* gm2-compiler/M2Check.mod (checkConstMeta): New procedure
function.
(checkConstEquivalence): New procedure function.
(doCheckPair): Add call to checkConstEquivalence.
* gm2-compiler/M2GenGCC.mod (ResolveConstantExpressions): Call
FoldBecomes with reduced parameters.
(FoldBecomes): Re-write.
(TryDeclareConst): New procedure.
(RemoveQuads): New procedure.
(DeclaredOperandsBecomes): New procedure function.
(TypeCheckBecomes): New procedure function.
(PerformFoldBecomes): New procedure.
* gm2-compiler/M2Range.mod (FoldAssignment): Call
AssignmentTypeCompatible to check des expr compatibility.
* gm2-compiler/M2SymInit.mod (CheckReadBeforeInitQuad): Remove
parameter lst.
(FilterCheckReadBeforeInitQuad): Remove parameter lst.
(CheckReadBeforeInitFirstBasicBlock): Remove parameter lst.
Call FilterCheckReadBeforeInitQuad without lst.
2023-12-13 Gaius Mulley <gaiusmod2@gmail.com>
PR modula2/112921

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gcc/testsuite/ChangeLog
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2023-12-15 Mary Bennett <mary.bennett@embecosm.com>
* gcc.target/riscv/cv-elw-elw-compile-1.c: Create test for cv.elw.
* lib/target-supports.exp: Add proc for the XCVelw extension.
2023-12-15 Patrick O'Neill <patrick@rivosinc.com>
* gcc.target/riscv/rvv/autovec/partial/pr112773.c: Add
-fno-vect-cost-model.
2023-12-15 Jeff Law <jlaw@ventanamicro.com>
PR target/110201
* gcc.target/riscv/zknd32.c: Verify diagnostics are issued for
invalid builtin arguments.
* gcc.target/riscv/zknd64.c: Likewise.
* gcc.target/riscv/zkne32.c: Likewise.
* gcc.target/riscv/zkne64.c: Likewise.
* gcc.target/riscv/zksed32.c: Likewise.
* gcc.target/riscv/zksed64.c: Likewise.
* gcc.target/riscv/zknd32-2.c: New test
* gcc.target/riscv/zknd64-2.c: Likewise.
* gcc.target/riscv/zkne32-2.c: Likewise.
* gcc.target/riscv/zkne64-2.c: Likewise.
* gcc.target/riscv/zksed32-2.c: Likewise.
* gcc.target/riscv/zksed64-2.c: Likewise.
Co-authored-by: Liao Shihua <shihua@iscas.ac.cn>
2023-12-15 Alex Coplan <alex.coplan@arm.com>
* g++.target/aarch64/pr103147-10.C: Add -fno-schedule-insns{,2}
to dg-options.
* gcc.target/aarch64/pr103147-10.c: Likewise.
2023-12-15 Alex Coplan <alex.coplan@arm.com>
* gcc.target/aarch64/sve/pcs/stack_clash_1_128.c: Allow ldp/stp saves
of SVE registers.
* gcc.target/aarch64/sve/pcs/struct_3_128.c: Likewise.
2023-12-15 Alex Coplan <alex.coplan@arm.com>
* gcc.target/aarch64/auto-init-padding-1.c: Add -O to options,
adjust test to work with optimizations enabled.
* gcc.target/aarch64/auto-init-padding-2.c: Add -O to options.
* gcc.target/aarch64/auto-init-padding-3.c: Add -O to options,
adjust test to work with optimizations enabled.
* gcc.target/aarch64/auto-init-padding-4.c: Likewise.
* gcc.target/aarch64/auto-init-padding-9.c: Likewise.
2023-12-15 Xiao Zeng <zengxiao@eswincomputing.com>
* gcc.target/riscv/arch-31.c: New test.
* gcc.target/riscv/arch-32.c: New test.
* gcc.target/riscv/predef-32.c: New test.
* gcc.target/riscv/predef-33.c: New test.
2023-12-15 Gaius Mulley <gaiusmod2@gmail.com>
PR modula2/112946
* gm2/iso/fail/badassignment.mod: New test.
* gm2/iso/fail/badexpression.mod: New test.
* gm2/iso/fail/badexpression2.mod: New test.
2023-12-15 Patrick Palka <ppalka@redhat.com>
PR c++/70435
PR c++/88061
* g++.dg/ext/attr-section1.C: New test.
* g++.dg/ext/attr-section1a.C: New test.
* g++.dg/ext/attr-section2.C: New test.
* g++.dg/ext/attr-section2a.C: New test.
* g++.dg/ext/attr-section2b.C: New test.
2023-12-15 Patrick Palka <ppalka@redhat.com>
PR c++/109715
* g++.dg/abi/abi-tag25.C: New test.
* g++.dg/abi/abi-tag25a.C: New test.
2023-12-15 Andre Vieira <andre.simoesdiasvieira@arm.com>
* gcc.dg/gomp/pr87887-1.c: Fixed test.
* gcc.dg/gomp/pr89246-1.c: Likewise.
* gcc.dg/gomp/simd-clones-2.c: Likewise.
2023-12-15 Wilco Dijkstra <wilco.dijkstra@arm.com>
* gcc.target/aarch64/memmove.c: Add new test.
* gcc.target/aarch64/memmove2.c: Likewise.
2023-12-15 Juzhe-Zhong <juzhe.zhong@rivai.ai>
* gcc.target/riscv/rvv/autovec/bug-1.c: New test.
2023-12-15 Alex Coplan <alex.coplan@arm.com>
PR target/112906
* gcc.target/aarch64/sve/acle/general/pr112906.c: New test.
2023-12-15 Thomas Schwinge <thomas@codesourcery.com>
* gcc.dg/pr110279-2.c: Don't '#include <stdio.h>'. Remove
'__attribute_noinline__'.
2023-12-15 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/113024
* gcc.dg/tree-ssa/pr113024.c: New test.
2023-12-15 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/113003
* gcc.dg/bitint-54.c: New test.
2023-12-15 Juzhe-Zhong <juzhe.zhong@rivai.ai>
* gcc.target/riscv/rvv/autovec/partial/slp-1.c: Remove xfail of M2.
* gcc.target/riscv/rvv/autovec/partial/slp-16.c: Ditto.
* gcc.target/riscv/rvv/autovec/partial/slp-3.c: Ditto.
* gcc.target/riscv/rvv/autovec/partial/slp-5.c: Ditto.
2023-12-15 Hongyu Wang <hongyu.wang@intel.com>
* gcc.target/i386/pr112943.c: Require dfp.
2023-12-15 Hongyu Wang <hongyu.wang@intel.com>
PR target/112824
* gcc.target/i386/pieces-memset-45.c: Remove
-mprefer-vector-width=256.
* g++.target/i386/pr112824-1.C: New test.
2023-12-15 Juzhe-Zhong <juzhe.zhong@rivai.ai>
* gcc.target/riscv/rvv/vsetvl/pr112988-1.c: Adapt test.
2023-12-15 Juzhe-Zhong <juzhe.zhong@rivai.ai>
PR target/112387
* gcc.dg/vect/costmodel/riscv/rvv/pr112387.c: Moved to...
* gcc.dg/vect/costmodel/riscv/rvv/pr112387-1.c: ...here.
* gcc.dg/vect/costmodel/riscv/rvv/pr112387-2.c: New test.
2023-12-15 Juzhe-Zhong <juzhe.zhong@rivai.ai>
PR target/111153
* gcc.dg/vect/costmodel/riscv/rvv/pr111153.c: Moved to...
* gcc.dg/vect/costmodel/riscv/rvv/pr11153-2.c: ...here.
* gcc.dg/vect/costmodel/riscv/rvv/pr111153-1.c: New test.
2023-12-14 David Malcolm <dmalcolm@redhat.com>
PR analyzer/96395

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include/ChangeLog
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2023-12-15 Julian Brown <julian@codesourcery.com>
* gomp-constants.h (gomp_map_kind): Add GOMP_MAP_STRUCT_UNORD.
2023-12-10 Tom Tromey <tom@tromey.com>
* dwarf2.def (DW_IDX_GNU_internal, DW_IDX_GNU_external): Comment.

6
libatomic/ChangeLog
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2023-12-15 Wilco Dijkstra <wilco.dijkstra@arm.com>
* config/linux/aarch64/atomic_16.S: Implement lock-free ARMv8.0 atomics.
(libat_exchange_16): Merge RELEASE and ACQ_REL/SEQ_CST cases.
* config/linux/aarch64/host-config.h: Use atomic_16.S for baseline v8.0.
2023-11-10 Wilco Dijkstra <wilco.dijkstra@arm.com>
* config/linux/aarch64/host-config.h (ifunc1): Use CPUID in ifunc

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libgomp/ChangeLog
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2023-12-15 Andre Vieira <andre.simoesdiasvieira@arm.com>
* testsuite/libgomp.c/declare-variant-1.c: Fixed test.
* testsuite/libgomp.fortran/declare-simd-1.f90: Likewise.
2023-12-15 Thomas Schwinge <thomas@codesourcery.com>
* testsuite/libgomp.fortran/map-subarray-5.f90: Restrict
'dg-output's to 'target offload_device_nonshared_as'.
2023-12-15 Julian Brown <julian@codesourcery.com>
* oacc-mem.c (find_group_last, goacc_enter_data_internal,
goacc_exit_data_internal, GOACC_enter_exit_data): Add
GOMP_MAP_STRUCT_UNORD support.
* target.c (gomp_map_vars_internal): Add GOMP_MAP_STRUCT_UNORD support.
Detect incorrect use of variable indexing of arrays of structs.
(GOMP_target_enter_exit_data, gomp_target_task_fn): Add
GOMP_MAP_STRUCT_UNORD support.
* testsuite/libgomp.c-c++-common/map-arrayofstruct-1.c: New test.
* testsuite/libgomp.c-c++-common/map-arrayofstruct-2.c: New test.
* testsuite/libgomp.c-c++-common/map-arrayofstruct-3.c: New test.
* testsuite/libgomp.fortran/map-subarray-5.f90: New test.
2023-12-13 Julian Brown <julian@codesourcery.com>
* testsuite/libgomp.fortran/map-subarray.f90: New test.

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libstdc++-v3/ChangeLog
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2023-12-15 Jonathan Wakely <jwakely@redhat.com>
* src/c++23/print.cc (__write_to_terminal) [_WIN32]: If handle
does not refer to the console then just write to it using normal
file I/O.
* testsuite/27_io/print/2.cc (as_printed_to_terminal): Print
error message on failure.
(test_utf16_transcoding): Adjust for as_printed_to_terminal
modifying its argument.
2023-12-15 Jonathan Wakely <jwakely@redhat.com>
* include/std/ostream (vprint_unicode) [_WIN32]: Use RAII guard.
(vprint_unicode) [!_WIN32]: Just call vprint_nonunicode.
* include/std/print (vprint_unicode) [!_WIN32]: Likewise.
2023-12-15 Jonathan Wakely <jwakely@redhat.com>
* include/std/ostream (vprint_nonunicode, vprint_unicode): Do
not insert padding.
* testsuite/27_io/basic_ostream/print/1.cc: Adjust expected
behaviour.
2023-12-14 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/107760