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2019-05-22fortran/89100: Default widths with -fdec-format-defaultsJanne Blomqvist6-14/+160
gcc/fortran ChangeLog: 2019-05-22 Jeff Law <law@redhat.com> Mark Eggleston <mark.eggleston@codethink.com> PR fortran/89100 * gfortran.texi: Add Default widths for F, G and I format descriptors to Extensions section. * invoke.texi: Add -fdec-format-defaults * io.c (check_format): Use default widths for i, f and g when flag_dec_format_defaults is enabled. * lang.opt: Add new option. * options.c (set_dec_flags): Add SET_BITFLAG for flag_dec_format_defaults. gcc/testsuite ChangeLog: 2019-05-22 Mark Eggleston <mark.eggleston@codethink.com> PR fortran/89100 * gfortran.dg/fmt_f_default_field_width_1.f90: New test. * gfortran.dg/fmt_f_default_field_width_2.f90: New test. * gfortran.dg/fmt_f_default_field_width_3.f90: New test. * gfortran.dg/fmt_g_default_field_width_1.f90: New test. * gfortran.dg/fmt_g_default_field_width_2.f90: New test. * gfortran.dg/fmt_g_default_field_width_3.f90: New test. * gfortran.dg/fmt_i_default_field_width_1.f90: New test. * gfortran.dg/fmt_i_default_field_width_2.f90: New test. * gfortran.dg/fmt_i_default_field_width_3.f90: New test. libgfortran ChangeLog: 2019-05-22 Jeff Law <law@redhat.com> PR fortran/89100 * io/format.c (parse_format_list): set default width when the IOPARM_DT_DEC_EXT flag is set for i, f and g. * io/io.h: add default_width_for_integer, default_width_for_float and default_precision_for_float. * io/write.c (write_boz): extra parameter giving length of data corresponding to the type's kind. (write_b): pass data length as extra parameter in calls to write_boz. (write_o): pass data length as extra parameter in calls to write_boz. (write_z): pass data length as extra parameter in calls to write_boz. (size_from_kind): also set size is default width is set. * io/write_float.def (build_float_string): new paramter inserted before result parameter. If default width use values passed instead of the values in fnode. (FORMAT_FLOAT): macro modified to check for default width and calls to build_float_string to pass in default width. (get_float_string): set width and precision to defaults when needed. From-SVN: r271511
2019-05-19libfortran/90038 Reap dead children when wait=.false.Janne Blomqvist5-3/+49
When using posix_spawn or fork to launch a child process, the parent needs to wait for the child, otherwise the dead child is left as a zombie process. For this purpose one can install a signal handler for SIGCHLD. 2019-05-19 Janne Blomqvist <jb@gcc.gnu.org> PR libfortran/90038 * intrinsics/execute_command_line (sigchld_handler): New function. (execute_command_line): Install handler for SIGCHLD. * configure.ac: Check for presence of sigaction and waitpid. * config.h.in: Regenerated. * configure: Regenerated. Regtested on x86_64-pc-linux-gnu. From-SVN: r271384
2019-05-17libfortran/90038: Use posix_spawn instead of forkJanne Blomqvist6-13/+52
fork() semantics can be problematic. Most unix style OS'es have posix_spawn which can be used to replace fork + exec in many cases. For more information see e.g. https://www.microsoft.com/en-us/research/uploads/prod/2019/04/fork-hotos19.pdf This replaces the one use of fork in libgfortran with posix_spawn. 2019-05-17 Janne Blomqvist <jb@gcc.gnu.org> PR libfortran/90038 * configure.ac (AC_CHECK_FUNCS_ONCE): Check for posix_spawn. * intrinsics/execute_command_line (execute_command_line): Use posix_spawn. * Makefile.in: Regenerated. * config.h.in: Regenerated. * configure: Regenerated. Regtested on x86_64-pc-linux-gnu. From-SVN: r271340
2019-05-17re PR fortran/54613 ([F08] Add FINDLOC plus support MAXLOC/MINLOC with ↵Jakub Jelinek2-0/+898
KIND=/BACK=) PR fortran/54613 * gfortran.map (GFORTRAN_9.2): Export _gfortran_{,m,s}findloc{0,1}_r10. * Makefile.am (i_findloc0_c): Add $(srcdir)/generated/findloc0_r10.c. (i_findloc1_c): Add $(srcdir)/generated/findloc1_r10.c. * Makefile.in: Regenerated. * generated/findloc0_r10.c: Generated. * generated/findloc1_r10.c: Generated. From-SVN: r271336
2019-05-17re PR fortran/54613 ([F08] Add FINDLOC plus support MAXLOC/MINLOC with ↵Jakub Jelinek4-2/+38
KIND=/BACK=) PR fortran/54613 * gfortran.map (GFORTRAN_9.2): Export _gfortran_{,m,s}findloc{0,1}_r10. * Makefile.am (i_findloc0_c): Add $(srcdir)/generated/findloc0_r10.c. (i_findloc1_c): Add $(srcdir)/generated/findloc1_r10.c. * Makefile.in: Regenerated. * generated/findloc0_r10.c: Generated. * generated/findloc1_r10.c: Generated. From-SVN: r271335
2019-05-17re PR fortran/54613 ([F08] Add FINDLOC plus support MAXLOC/MINLOC with ↵Jakub Jelinek2-0/+12
KIND=/BACK=) PR fortran/54613 * gfortran.map (GFORTRAN_9.2): New symbol version, export _gfortran_{,m,s}findloc0_i2 in it. From-SVN: r271334
2019-05-15Allow opening file on multiple unitsJanne Blomqvist2-1/+8
As of Fortran 2018 it's allowed to open the same file on multiple units. libgfortran/ChangeLog: 2019-05-15 Janne Blomqvist <jb@gcc.gnu.org> PR fortran/90461 * io/open.c (new_unit): Don't check if the file is already open for F2018. testsuite/ChangeLog: 2019-05-15 Janne Blomqvist <jb@gcc.gnu.org> PR fortran/90461 * gfortran.dg/open_errors_2.f90: Add -std=f2008, adjust line number. * gfortran.dg/open_errors_3.f90: New test. From-SVN: r271260
2019-05-02Makefile.am (gfor_cdir): Remove $(MULTISUBDIR).Jakub Jelinek3-2/+7
* Makefile.am (gfor_cdir): Remove $(MULTISUBDIR). * Makefile.in: Regenerated. From-SVN: r270793
2019-04-14re PR fortran/89843 (CFI_section delivers incorrect result descriptor)Paul Thomas2-30/+61
2019-04-14 Paul Thomas <pault@gcc.gnu.org> PR fortran/89843 * trans-decl.c (gfc_get_symbol_decl): Assumed shape and assumed rank dummies of bind C procs require deferred initialization. (convert_CFI_desc): New procedure to convert incoming CFI descriptors to gfc types and back again. (gfc_trans_deferred_vars): Call it. * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Null the CFI descriptor pointer. Free the descriptor in all cases. PR fortran/89846 * expr.c (is_CFI_desc): New function. (is_subref_array): Tidy up by referencing the symbol directly. * gfortran.h : Prototype for is_CFI_desc. * trans_array.c (get_CFI_desc): New function. (gfc_get_array_span, gfc_conv_scalarized_array_ref, gfc_conv_array_ref): Use it. * trans.c (get_array_span): Extract the span from descriptors that are indirect references. PR fortran/90022 * trans-decl.c (gfc_get_symbol_decl): Make sure that the se expression is a pointer type before converting it to the symbol backend_decl type. * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Eliminate temporary creation for intent(in). 2019-04-14 Paul Thomas <pault@gcc.gnu.org> PR fortran/89843 * gfortran.dg/ISO_Fortran_binding_4.f90: Modify the value of x in ctg. Test the conversion of the descriptor types in the main program. * gfortran.dg/ISO_Fortran_binding_10.f90: New test. * gfortran.dg/ISO_Fortran_binding_10.c: Called by it. PR fortran/89846 * gfortran.dg/ISO_Fortran_binding_11.f90: New test. * gfortran.dg/ISO_Fortran_binding_11.c: Called by it. PR fortran/90022 * gfortran.dg/ISO_Fortran_binding_1.c: Correct the indexing for the computation of 'ans'. Also, change the expected results for CFI_is_contiguous to comply with standard. * gfortran.dg/ISO_Fortran_binding_1.f90: Correct the expected results for CFI_is_contiguous to comply with standard. * gfortran.dg/ISO_Fortran_binding_9.f90: New test. * gfortran.dg/ISO_Fortran_binding_9.c: Called by it. 2019-04-14 Paul Thomas <pault@gcc.gnu.org> PR fortran/89843 * runtime/ISO_Fortran_binding.c (cfi_desc_to_gfc_desc): Only return immediately if the source pointer is null. Bring forward the extraction of the gfc type. Extract the kind so that the element size can be correctly computed for sections and components of derived type arrays. Remove the free of the CFI descriptor since this is now done in trans-expr.c. (gfc_desc_to_cfi_desc): Only allocate the CFI descriptor if it is not null. (CFI_section): Normalise the difference between the upper and lower bounds by the stride to correctly calculate the extents of the section. PR fortran/89846 * runtime/ISO_Fortran_binding.c (cfi_desc_to_gfc_desc): Use the stride measure for the gfc span if it is not a multiple of the element length. Otherwise use the element length. PR fortran/90022 * runtime/ISO_Fortran_binding.c (CFI_is_contiguous) : Return 1 for true and 0 otherwise to comply with the standard. Correct the contiguity check for rank 3 and greater by using the stride measure of the lower dimension rather than the element length. From-SVN: r270353
2019-03-25re PR libfortran/79540 (FAIL: gfortran.dg/fmt_fw_d.f90 -O0 execution test)John David Anglin2-2/+9
PR libgfortran/79540 * io/write_float.def (build_float_string): Don't copy digits when ndigits is negative. From-SVN: r269911
2019-03-05re PR libfortran/89593 (warning "passing argument 3 of ↵Jakub Jelinek2-2/+10
‘_gfortran_caf_{get,send}_by_ref’ from incompatible pointer type" when building libgfortran) PR libgfortran/89593 * caf/single.c (_gfortran_caf_sendget_by_ref): Cast &temp to gfc_descriptor_t * to avoid warning. From-SVN: r269405
2019-02-26transfer.c (transfer_array_inner): Do not cast charlen to index_type.Uros Bizjak2-2/+6
* io/transfer.c (transfer_array_inner): Do not cast charlen to index_type. From-SVN: r269224
2019-02-25re PR libfortran/89274 (Inconsistent list directed output of INTEGER(16))Dominique d'Humieres2-0/+9
2019-02-25 Dominique d'Humieres <dominiq@gcc.gnu.org> PR libfortran/89274 * gfortran.dg/list_directed_large.f90: New test. 2019-02-25 Dominique d'Humieres <dominiq@gcc.gnu.org> PR libfortran/89274 * io/write.c (write_integer): Add width for INTEGER(16). From-SVN: r269187
2019-02-23re PR fortran/89385 (Incorrect members of C descriptor for an allocatable ↵Paul Thomas2-6/+21
object) 2019-02-23 Paul Thomas <pault@gcc.gnu.org> PR fortran/89385 PR fortran/89366 * decl.c (gfc_verify_c_interop_param): Restriction on string length being one is lifted for F2018. * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): For scalar characters with intent in, make a temporary and copy the result of the expression evaluation into it. (gfc_conv_procedure_call): Set a flag for character formal args having a character length that is not unity. If the procedure is bind C, call gfc_conv_gfc_desc_to_cfi_desc in this case. Also, extend bind C calls to unconditionally convert both pointers and allocatable expressions. 2019-02-23 Paul Thomas <pault@gcc.gnu.org> PR fortran/89385 * gfortran.dg/ISO_Fortran_binding_1.f90 : Correct test for previously incorrect lbound for allocatable expressions. Also correct stop values to avoid repetition. * gfortran.dg/ISO_Fortran_binding_5.f90 : New test * gfortran.dg/ISO_Fortran_binding_5.c : Support previous test. PR fortran/89366 * gfortran.dg/ISO_Fortran_binding_6.f90 : New test * gfortran.dg/ISO_Fortran_binding_6.c : Support previous test. * gfortran.dg/pr32599.f03 : Set standard to F2008. 2019-02-23 Paul Thomas <pault@gcc.gnu.org> PR fortran/89385 PR fortran/89366 * runtime/ISO_Fortran_binding.c (cfi_desc_to_gfc_desc) : In the interchange between character and derived, the character type was being set incorrectly. (gfc_desc_to_cfi_desc) : Eliminate the interchange of types in this function. Do not add the kind and length information to the type field of structures. Lbounds were incorrectly being set to zero for allocatable and pointer descriptors. Should have been non-pointer, non-allocatables that received this treatment. From-SVN: r269156
2019-01-31* libgfortran/ChangeLog: Better commit message for my last commit.Uros Bizjak1-4/+7
From-SVN: r268433
2019-01-30re PR fortran/88678 (Many gfortran.dg/ieee/ieee_X.f90 test cases fail ↵Uros Bizjak2-35/+7
starting with r267465) PR fortran/88678 * config/fpu-glibc.h (support_fpu_trap): Do not try to enable exceptions to determine if exception is supported. From-SVN: r268402
2019-01-30re PR fortran/88678 (Many gfortran.dg/ieee/ieee_X.f90 test cases fail ↵Uros Bizjak2-12/+27
starting with r267465) PR fortran/88678 * config/fpu-glibc.h (set_fpu_trap_exceptions): Clear stalled exception flags before changing trap mode. Optimize to call feenableexcept and fedisableexcept only once. From-SVN: r268392
2019-01-28libgfortran: Use proper gthr.h APISebastian Huber2-1/+5
libgfortran/ * io/async.c (init_adv_cond): Use __GTHREAD_COND_INIT_FUNCTION(). From-SVN: r268331
2019-01-27re PR libfortran/89020 (close(status='DELETE') does not remove file)Jerry DeLisle2-4/+8
2019-01-27 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR libfortran/89020 * io/close.c (st_close): Simplify text of error message to not presume a specific cause of failure to remove file. From-SVN: r268319
2019-01-27re PR libfortran/89020 (close(status='DELETE') does not remove file)Jerry DeLisle2-1/+6
2019-01-26 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR libfortran/89020 * io/close.c (st_close): Fix typo. From-SVN: r268309
2019-01-26Fix bug number referenced in previous commit.Jerry DeLisle1-1/+1
From-SVN: r268302
2019-01-26re PR libfortran/89020 (close(status='DELETE') does not remove file)Jerry DeLisle2-2/+15
2019-01-26 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR libfortran/88020 * io/close.c (st_close): Generate error if calls to 'remove' return an error. From-SVN: r268301
2019-01-17GCN libgfortran.Andrew Stubbs3-4/+14
This patch contains the GCN port of libgfortran. We use the minimal configuration created for NVPTX. That's all that's required, besides the target-independent bug fixes posted already. 2019-01-17 Andrew Stubbs <ams@codesourcery.com> Kwok Cheung Yeung <kcy@codesourcery.com> Julian Brown <julian@codesourcery.com> Tom de Vries <tom@codesourcery.com> libgfortran/ * configure.ac: Use minimal mode for amdgcn. * configure: Regenerate. Co-Authored-By: Julian Brown <julian@codesourcery.com> Co-Authored-By: Kwok Cheung Yeung <kcy@codesourcery.com> Co-Authored-By: Tom de Vries <tom@codesourcery.com> From-SVN: r268020
2019-01-14re PR libfortran/88776 (Namelist read from stdin: loss of data)Jerry DeLisle2-4/+18
2019-01-13 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR libfortran/88776 * io/open.c (newunit): Free format buffer if the unit specified is for stdin, stdout, or stderr. * gfortran.dg/namelist_96.f90: New test. From-SVN: r267910
2019-01-12re PR libfortran/88776 (Namelist read from stdin: loss of data)Jerry DeLisle2-5/+7
2019-01-12 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR libfortran/88776 * io/list_read.c (namelist_read): Use nml_err_ret path on read error not based on stdin_unit. From-SVN: r267898
2019-01-12gfortran.texi: Add description in sections on TS 29113 and further ↵Paul Thomas7-67/+1187
interoperability with C. 2019-01-12 Paul Thomas <pault@gcc.gnu.org> * gfortran.texi : Add description in sections on TS 29113 and further interoperability with C. * trans-array.c (gfc_conv_descriptor_attribute): New function. (gfc_get_dataptr_offset): Remove static function attribute. * trans-array.h : Add prototypes for above functions. * trans-decl.c : Add declarations for the library functions cfi_desc_to_gfc_desc and gfc_desc_to_cfi_desc. * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): New function. (gfc_conv_procedure_call): Call it for scalar and array actual arguments, when the formal arguments are bind_c with assumed shape or assumed rank. * trans.h : External declarations for gfor_fndecl_cfi_to_gfc and gfor_fndecl_gfc_to_cfi. 2019-01-12 Paul Thomas <pault@gcc.gnu.org> * gfortran.dg/ISO_Fortran_binding_1.f90 : New test. * gfortran.dg/ISO_Fortran_binding_1.c : Auxilliary file for test. * gfortran.dg/ISO_Fortran_binding_2.f90 : New test. * gfortran.dg/ISO_Fortran_binding_2.c : Auxilliary file for test. * gfortran.dg/bind_c_array_params_2.f90 : Change search string for dump tree scan. 2019-01-12 Paul Thomas <pault@gcc.gnu.org> * ISO_Fortran_binding.h : New file. * Makefile.am : Include ISO_Fortran_binding.c in the list of files to compile. * Makefile.in : Regenerated. * gfortran.map : Add _gfortran_cfi_desc_to_gfc_desc, _gfortran_gfc_desc_to_cfi_desc and the CFI API functions. * runtime/ISO_Fortran_binding.c : New file containing the new functions added to the map. From-SVN: r267881
2019-01-12re PR libfortran/88807 (misleading indentation warnings building libgfortran)Jakub Jelinek29-590/+622
PR libfortran/88807 * m4/minloc0.m4: Reindent to avoid -Wmisleading-indentation warnings. * generated/minloc0_4_i1.c: Regenerated. * generated/minloc0_4_i2.c: Regenerated. * generated/minloc0_4_i4.c: Regenerated. * generated/minloc0_4_i8.c: Regenerated. * generated/minloc0_4_i16.c: Regenerated. * generated/minloc0_4_r4.c: Regenerated. * generated/minloc0_4_r8.c: Regenerated. * generated/minloc0_4_r10.c: Regenerated. * generated/minloc0_4_r16.c: Regenerated. * generated/minloc0_8_i1.c: Regenerated. * generated/minloc0_8_i2.c: Regenerated. * generated/minloc0_8_i4.c: Regenerated. * generated/minloc0_8_i8.c: Regenerated. * generated/minloc0_8_i16.c: Regenerated. * generated/minloc0_8_r4.c: Regenerated. * generated/minloc0_8_r8.c: Regenerated. * generated/minloc0_8_r10.c: Regenerated. * generated/minloc0_8_r16.c: Regenerated. * generated/minloc0_16_i1.c: Regenerated. * generated/minloc0_16_i2.c: Regenerated. * generated/minloc0_16_i4.c: Regenerated. * generated/minloc0_16_i8.c: Regenerated. * generated/minloc0_16_i16.c: Regenerated. * generated/minloc0_16_r4.c: Regenerated. * generated/minloc0_16_r8.c: Regenerated. * generated/minloc0_16_r10.c: Regenerated. * generated/minloc0_16_r16.c: Regenerated. From-SVN: r267875
2019-01-09PR other/16615 [1/5]Sandra Loosemore3-9/+16
2019-01-09 Sandra Loosemore <sandra@codesourcery.com> PR other/16615 [1/5] contrib/ * mklog: Mechanically replace "can not" with "cannot". gcc/ * Makefile.in: Mechanically replace "can not" with "cannot". * alias.c: Likewise. * builtins.c: Likewise. * calls.c: Likewise. * cgraph.c: Likewise. * cgraph.h: Likewise. * cgraphclones.c: Likewise. * cgraphunit.c: Likewise. * combine-stack-adj.c: Likewise. * combine.c: Likewise. * common/config/i386/i386-common.c: Likewise. * config/aarch64/aarch64.c: Likewise. * config/alpha/sync.md: Likewise. * config/arc/arc.c: Likewise. * config/arc/predicates.md: Likewise. * config/arm/arm-c.c: Likewise. * config/arm/arm.c: Likewise. * config/arm/arm.h: Likewise. * config/arm/arm.md: Likewise. * config/arm/cortex-r4f.md: Likewise. * config/csky/csky.c: Likewise. * config/csky/csky.h: Likewise. * config/darwin-f.c: Likewise. * config/epiphany/epiphany.md: Likewise. * config/i386/i386.c: Likewise. * config/i386/sol2.h: Likewise. * config/m68k/m68k.c: Likewise. * config/mcore/mcore.h: Likewise. * config/microblaze/microblaze.md: Likewise. * config/mips/20kc.md: Likewise. * config/mips/sb1.md: Likewise. * config/nds32/nds32.c: Likewise. * config/nds32/predicates.md: Likewise. * config/pa/pa.c: Likewise. * config/rs6000/e300c2c3.md: Likewise. * config/rs6000/rs6000.c: Likewise. * config/s390/s390.h: Likewise. * config/sh/sh.c: Likewise. * config/sh/sh.md: Likewise. * config/spu/vmx2spu.h: Likewise. * cprop.c: Likewise. * dbxout.c: Likewise. * df-scan.c: Likewise. * doc/cfg.texi: Likewise. * doc/extend.texi: Likewise. * doc/fragments.texi: Likewise. * doc/gty.texi: Likewise. * doc/invoke.texi: Likewise. * doc/lto.texi: Likewise. * doc/md.texi: Likewise. * doc/objc.texi: Likewise. * doc/rtl.texi: Likewise. * doc/tm.texi: Likewise. * dse.c: Likewise. * emit-rtl.c: Likewise. * emit-rtl.h: Likewise. * except.c: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * fold-const.c: Likewise. * genautomata.c: Likewise. * gimple-fold.c: Likewise. * hard-reg-set.h: Likewise. * ifcvt.c: Likewise. * ipa-comdats.c: Likewise. * ipa-cp.c: Likewise. * ipa-devirt.c: Likewise. * ipa-fnsummary.c: Likewise. * ipa-icf.c: Likewise. * ipa-inline-transform.c: Likewise. * ipa-inline.c: Likewise. * ipa-polymorphic-call.c: Likewise. * ipa-profile.c: Likewise. * ipa-prop.c: Likewise. * ipa-pure-const.c: Likewise. * ipa-reference.c: Likewise. * ipa-split.c: Likewise. * ipa-visibility.c: Likewise. * ipa.c: Likewise. * ira-build.c: Likewise. * ira-color.c: Likewise. * ira-conflicts.c: Likewise. * ira-costs.c: Likewise. * ira-int.h: Likewise. * ira-lives.c: Likewise. * ira.c: Likewise. * ira.h: Likewise. * loop-invariant.c: Likewise. * loop-unroll.c: Likewise. * lower-subreg.c: Likewise. * lra-assigns.c: Likewise. * lra-constraints.c: Likewise. * lra-eliminations.c: Likewise. * lra-lives.c: Likewise. * lra-remat.c: Likewise. * lra-spills.c: Likewise. * lra.c: Likewise. * lto-cgraph.c: Likewise. * lto-streamer-out.c: Likewise. * postreload-gcse.c: Likewise. * predict.c: Likewise. * profile-count.h: Likewise. * profile.c: Likewise. * recog.c: Likewise. * ree.c: Likewise. * reload.c: Likewise. * reload1.c: Likewise. * reorg.c: Likewise. * resource.c: Likewise. * rtl.def: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. * sched-deps.c: Likewise. * sched-ebb.c: Likewise. * sched-rgn.c: Likewise. * sel-sched-ir.c: Likewise. * sel-sched.c: Likewise. * shrink-wrap.c: Likewise. * simplify-rtx.c: Likewise. * symtab.c: Likewise. * target.def: Likewise. * toplev.c: Likewise. * tree-call-cdce.c: Likewise. * tree-cfg.c: Likewise. * tree-complex.c: Likewise. * tree-core.h: Likewise. * tree-eh.c: Likewise. * tree-inline.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-nrv.c: Likewise. * tree-profile.c: Likewise. * tree-sra.c: Likewise. * tree-ssa-alias.c: Likewise. * tree-ssa-dce.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-ssa-forwprop.c: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-ssa-loop-ivcanon.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-ssa-phionlycprop.c: Likewise. * tree-ssa-phiopt.c: Likewise. * tree-ssa-propagate.c: Likewise. * tree-ssa-threadedge.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa-uninit.c: Likewise. * tree-ssanames.c: Likewise. * tree-streamer-out.c: Likewise. * tree.c: Likewise. * tree.h: Likewise. * vr-values.c: Likewise. gcc/ada/ * exp_ch9.adb: Mechanically replace "can not" with "cannot". * libgnat/s-regpat.ads: Likewise. * par-ch4.adb: Likewise. * set_targ.adb: Likewise. * types.ads: Likewise. gcc/cp/ * cp-tree.h: Mechanically replace "can not" with "cannot". * parser.c: Likewise. * pt.c: Likewise. gcc/fortran/ * class.c: Mechanically replace "can not" with "cannot". * decl.c: Likewise. * expr.c: Likewise. * gfc-internals.texi: Likewise. * intrinsic.texi: Likewise. * invoke.texi: Likewise. * io.c: Likewise. * match.c: Likewise. * parse.c: Likewise. * primary.c: Likewise. * resolve.c: Likewise. * symbol.c: Likewise. * trans-array.c: Likewise. * trans-decl.c: Likewise. * trans-intrinsic.c: Likewise. * trans-stmt.c: Likewise. gcc/go/ * go-backend.c: Mechanically replace "can not" with "cannot". * go-gcc.cc: Likewise. gcc/lto/ * lto-partition.c: Mechanically replace "can not" with "cannot". * lto-symtab.c: Likewise. * lto.c: Likewise. gcc/objc/ * objc-act.c: Mechanically replace "can not" with "cannot". libbacktrace/ * backtrace.h: Mechanically replace "can not" with "cannot". libgcc/ * config/c6x/libunwind.S: Mechanically replace "can not" with "cannot". * config/tilepro/atomic.h: Likewise. * config/vxlib-tls.c: Likewise. * generic-morestack-thread.c: Likewise. * generic-morestack.c: Likewise. * mkmap-symver.awk: Likewise. libgfortran/ * caf/single.c: Mechanically replace "can not" with "cannot". * io/unit.c: Likewise. libobjc/ * class.c: Mechanically replace "can not" with "cannot". * objc/runtime.h: Likewise. * sendmsg.c: Likewise. liboffloadmic/ * include/coi/common/COIResult_common.h: Mechanically replace "can not" with "cannot". * include/coi/source/COIBuffer_source.h: Likewise. libstdc++-v3/ * include/ext/bitmap_allocator.h: Mechanically replace "can not" with "cannot". From-SVN: r267783
2019-01-07re PR fortran/45424 ([F08] Add IS_CONTIGUOUS intrinsic)Thomas Koenig6-1/+77
2019-01-07 Thomas Koenig <tkoenig@gcc.gnu.org> Harald Anlauf <anlauf@gmx.de> Tobias Burnus <burnus@gcc.gnu.org> PR fortran/45424 * check.c (gfc_check_is_contiguous): New function. * expr.c (gfc_is_not_contiguous): New function. * gfortran.h (gfc_isym_id): Add GFC_ISYM_IS_CONTIGUOUS. Add prototype for gfc_is_not_contiguous. * intrinsic.c (do_ts29113_check): Add GFC_ISYM_IS_CONTIGUOUS. (add_function): Add is_contiguous. * intrinsic.h: Add prototypes for gfc_check_is_contiguous, gfc_simplify_is_contiguous and gfc_resolve_is_contiguous. * intrinsic.texi: Add IS_CONTIGUOUS. * iresolve.c (gfc_resolve_is_contiguous): New function. * simplify.c (gfc_simplify_is_contiguous): New function. * trans-decl.c (gfor_fncecl_is_contiguous0): New variable. (gfc_build_intrinsic_function_decl): Add it. * trans-intrinsic.c (gfc_conv_intrinsic_is_contiguous): New function. (gfc_conv_intrinsic_function): Handle GFC_ISYM_IS_CONTIGUOUS. 2019-01-07 Thomas Koenig <tkoenig@gcc.gnu.org> Harald Anlauf <anlauf@gmx.de> Tobias Burnus <burnus@gcc.gnu.org> PR fortran/45424 * Makefile.am: Add intrinsics/is_contiguous.c. * Makefile.in: Regenerated. * gfortran.map: Add _gfortran_is_contiguous0. * intrinsics/is_contiguous.c: New file. * libgfortran.h: Add prototype for is_contiguous0. 2019-01-07 Thomas Koenig <tkoenig@gcc.gnu.org> Harald Anlauf <anlauf@gmx.de> Tobias Burnus <burnus@gcc.gnu.org> * gfortran.dg/is_contiguous_1.f90: New test. * gfortran.dg/is_contiguous_2.f90: New test. * gfortran.dg/is_contiguous_3.f90: New test. Co-Authored-By: Harald Anlauf <anlauf@gmx.de> Co-Authored-By: Tobias Burnus <burnus@gcc.gnu.org> From-SVN: r267657
2019-01-07Make GFORTRAN_9 symbol node depend on GFORTRAN_8.Janne Blomqvist2-1/+6
At some point when the GFORTRAN_9 node was added it was forgotten to make it depend on GFORTRAN_8. This patch fixes this. Committed as obvious. 2019-01-07 Janne Blomqvist <jb@gcc.gnu.org> * gfortran.map (GFORTRAN_9): Make GFORTRAN_9 node depend on GFORTRAN_8. From-SVN: r267621
2019-01-04PR c/88546 - Copy attribute unusable for weakrefsMartin Sebor1-1/+1
gcc/c-family/ChangeLog: PR c/88546 * c-attribs.c (handle_copy_attribute): Avoid copying attribute leaf. Handle C++ empty throw specification and C11 _Noreturn. (has_attribute): Also handle C11 _Noreturn. gcc/ChangeLog: PR c/88546 * attribs.c (decls_mismatched_attributes): Avoid warning for attribute leaf. gcc/testsuite/ChangeLog: PR c/88546 * g++.dg/ext/attr-copy.C: New test. * gcc.dg/attr-copy-4.c: Disable macro expansion tracking. * gcc.dg/attr-copy-6.c: New test. * gcc.dg/attr-copy-7.c: New test. From-SVN: r267591
2019-01-01Update copyright years.Jakub Jelinek771-3052/+3061
From-SVN: r267494
2018-12-31re PR fortran/82995 (Segmentation fault passing optional argument to ↵Thomas Koenig237-321/+2408
intrinsic sum function) 2018-12-31 Thomas Koenig <tkoenig@gcc.gnu.org> PR fortran/82995 * trans-expr.c (gfc_conv_procedure_call): Pass NULL pointer for missing optional dummy arguments for library routines. * trans-intinsic.c (conv_mask_condition): New function. (gfc_conv_intrinsic_arith): Detect and handle optional mask. (gfc_conv_intrinsic_minmaxloc): Likewise. (gfc_conv_intrinsic_findloc): Likewise. (gfc_conv_intrinsic_minmaxval): Likewise. (gfc_inline_intrinsic_function_p): Do not inline for rank > 1 if an optional mask is present. 2018-12-31 Thomas Koenig <tkoenig@gcc.gnu.org> PR fortran/82995 * m4/ifindloc0.m4: Handle case of absend optional argument, passed as a NULL pointer. Correct allocation of retarray->base_addr. * m4/ifindloc1.m4: Likewise. * m4/ifindloc2.m4: Handle case of absend optional argument, passed as a NULL pointer. * m4/iforeach-s.m4: Likewise. * m4/iforeach-s2.m4: Likewise. * m4/iforeach.m4: Likewise. * m4/ifunction-s.m4: Likewise. * m4/ifunction-s2.m4: Likewise. * m4/ifunction.m4: Likewise. * generated/findloc0_c16.c: Regenerated. * generated/findloc0_c4.c: Regenerated. * generated/findloc0_c8.c: Regenerated. * generated/findloc0_i1.c: Regenerated. * generated/findloc0_i16.c: Regenerated. * generated/findloc0_i2.c: Regenerated. * generated/findloc0_i4.c: Regenerated. * generated/findloc0_i8.c: Regenerated. * generated/findloc0_r16.c: Regenerated. * generated/findloc0_r4.c: Regenerated. * generated/findloc0_r8.c: Regenerated. * generated/findloc0_s1.c: Regenerated. * generated/findloc0_s4.c: Regenerated. * generated/findloc1_c16.c: Regenerated. * generated/findloc1_c4.c: Regenerated. * generated/findloc1_c8.c: Regenerated. * generated/findloc1_i1.c: Regenerated. * generated/findloc1_i16.c: Regenerated. * generated/findloc1_i2.c: Regenerated. * generated/findloc1_i4.c: Regenerated. * generated/findloc1_i8.c: Regenerated. * generated/findloc1_r16.c: Regenerated. * generated/findloc1_r4.c: Regenerated. * generated/findloc1_r8.c: Regenerated. * generated/findloc1_s1.c: Regenerated. * generated/findloc1_s4.c: Regenerated. * generated/findloc2_s1.c: Regenerated. * generated/findloc2_s4.c: Regenerated. * generated/iall_i1.c: Regenerated. * generated/iall_i16.c: Regenerated. * generated/iall_i2.c: Regenerated. * generated/iall_i4.c: Regenerated. * generated/iall_i8.c: Regenerated. * generated/iany_i1.c: Regenerated. * generated/iany_i16.c: Regenerated. * generated/iany_i2.c: Regenerated. * generated/iany_i4.c: Regenerated. * generated/iany_i8.c: Regenerated. * generated/iparity_i1.c: Regenerated. * generated/iparity_i16.c: Regenerated. * generated/iparity_i2.c: Regenerated. * generated/iparity_i4.c: Regenerated. * generated/iparity_i8.c: Regenerated. * generated/maxloc0_16_i1.c: Regenerated. * generated/maxloc0_16_i16.c: Regenerated. * generated/maxloc0_16_i2.c: Regenerated. * generated/maxloc0_16_i4.c: Regenerated. * generated/maxloc0_16_i8.c: Regenerated. * generated/maxloc0_16_r10.c: Regenerated. * generated/maxloc0_16_r16.c: Regenerated. * generated/maxloc0_16_r4.c: Regenerated. * generated/maxloc0_16_r8.c: Regenerated. * generated/maxloc0_16_s1.c: Regenerated. * generated/maxloc0_16_s4.c: Regenerated. * generated/maxloc0_4_i1.c: Regenerated. * generated/maxloc0_4_i16.c: Regenerated. * generated/maxloc0_4_i2.c: Regenerated. * generated/maxloc0_4_i4.c: Regenerated. * generated/maxloc0_4_i8.c: Regenerated. * generated/maxloc0_4_r10.c: Regenerated. * generated/maxloc0_4_r16.c: Regenerated. * generated/maxloc0_4_r4.c: Regenerated. * generated/maxloc0_4_r8.c: Regenerated. * generated/maxloc0_4_s1.c: Regenerated. * generated/maxloc0_4_s4.c: Regenerated. * generated/maxloc0_8_i1.c: Regenerated. * generated/maxloc0_8_i16.c: Regenerated. * generated/maxloc0_8_i2.c: Regenerated. * generated/maxloc0_8_i4.c: Regenerated. * generated/maxloc0_8_i8.c: Regenerated. * generated/maxloc0_8_r10.c: Regenerated. * generated/maxloc0_8_r16.c: Regenerated. * generated/maxloc0_8_r4.c: Regenerated. * generated/maxloc0_8_r8.c: Regenerated. * generated/maxloc0_8_s1.c: Regenerated. * generated/maxloc0_8_s4.c: Regenerated. * generated/maxloc1_16_i1.c: Regenerated. * generated/maxloc1_16_i16.c: Regenerated. * generated/maxloc1_16_i2.c: Regenerated. * generated/maxloc1_16_i4.c: Regenerated. * generated/maxloc1_16_i8.c: Regenerated. * generated/maxloc1_16_r10.c: Regenerated. * generated/maxloc1_16_r16.c: Regenerated. * generated/maxloc1_16_r4.c: Regenerated. * generated/maxloc1_16_r8.c: Regenerated. * generated/maxloc1_16_s1.c: Regenerated. * generated/maxloc1_16_s4.c: Regenerated. * generated/maxloc1_4_i1.c: Regenerated. * generated/maxloc1_4_i16.c: Regenerated. * generated/maxloc1_4_i2.c: Regenerated. * generated/maxloc1_4_i4.c: Regenerated. * generated/maxloc1_4_i8.c: Regenerated. * generated/maxloc1_4_r10.c: Regenerated. * generated/maxloc1_4_r16.c: Regenerated. * generated/maxloc1_4_r4.c: Regenerated. * generated/maxloc1_4_r8.c: Regenerated. * generated/maxloc1_4_s1.c: Regenerated. * generated/maxloc1_4_s4.c: Regenerated. * generated/maxloc1_8_i1.c: Regenerated. * generated/maxloc1_8_i16.c: Regenerated. * generated/maxloc1_8_i2.c: Regenerated. * generated/maxloc1_8_i4.c: Regenerated. * generated/maxloc1_8_i8.c: Regenerated. * generated/maxloc1_8_r10.c: Regenerated. * generated/maxloc1_8_r16.c: Regenerated. * generated/maxloc1_8_r4.c: Regenerated. * generated/maxloc1_8_r8.c: Regenerated. * generated/maxloc1_8_s1.c: Regenerated. * generated/maxloc1_8_s4.c: Regenerated. * generated/maxval0_s1.c: Regenerated. * generated/maxval0_s4.c: Regenerated. * generated/maxval1_s1.c: Regenerated. * generated/maxval1_s4.c: Regenerated. * generated/maxval_i1.c: Regenerated. * generated/maxval_i16.c: Regenerated. * generated/maxval_i2.c: Regenerated. * generated/maxval_i4.c: Regenerated. * generated/maxval_i8.c: Regenerated. * generated/maxval_r10.c: Regenerated. * generated/maxval_r16.c: Regenerated. * generated/maxval_r4.c: Regenerated. * generated/maxval_r8.c: Regenerated. * generated/minloc0_16_i1.c: Regenerated. * generated/minloc0_16_i16.c: Regenerated. * generated/minloc0_16_i2.c: Regenerated. * generated/minloc0_16_i4.c: Regenerated. * generated/minloc0_16_i8.c: Regenerated. * generated/minloc0_16_r10.c: Regenerated. * generated/minloc0_16_r16.c: Regenerated. * generated/minloc0_16_r4.c: Regenerated. * generated/minloc0_16_r8.c: Regenerated. * generated/minloc0_16_s1.c: Regenerated. * generated/minloc0_16_s4.c: Regenerated. * generated/minloc0_4_i1.c: Regenerated. * generated/minloc0_4_i16.c: Regenerated. * generated/minloc0_4_i2.c: Regenerated. * generated/minloc0_4_i4.c: Regenerated. * generated/minloc0_4_i8.c: Regenerated. * generated/minloc0_4_r10.c: Regenerated. * generated/minloc0_4_r16.c: Regenerated. * generated/minloc0_4_r4.c: Regenerated. * generated/minloc0_4_r8.c: Regenerated. * generated/minloc0_4_s1.c: Regenerated. * generated/minloc0_4_s4.c: Regenerated. * generated/minloc0_8_i1.c: Regenerated. * generated/minloc0_8_i16.c: Regenerated. * generated/minloc0_8_i2.c: Regenerated. * generated/minloc0_8_i4.c: Regenerated. * generated/minloc0_8_i8.c: Regenerated. * generated/minloc0_8_r10.c: Regenerated. * generated/minloc0_8_r16.c: Regenerated. * generated/minloc0_8_r4.c: Regenerated. * generated/minloc0_8_r8.c: Regenerated. * generated/minloc0_8_s1.c: Regenerated. * generated/minloc0_8_s4.c: Regenerated. * generated/minloc1_16_i1.c: Regenerated. * generated/minloc1_16_i16.c: Regenerated. * generated/minloc1_16_i2.c: Regenerated. * generated/minloc1_16_i4.c: Regenerated. * generated/minloc1_16_i8.c: Regenerated. * generated/minloc1_16_r10.c: Regenerated. * generated/minloc1_16_r16.c: Regenerated. * generated/minloc1_16_r4.c: Regenerated. * generated/minloc1_16_r8.c: Regenerated. * generated/minloc1_16_s1.c: Regenerated. * generated/minloc1_16_s4.c: Regenerated. * generated/minloc1_4_i1.c: Regenerated. * generated/minloc1_4_i16.c: Regenerated. * generated/minloc1_4_i2.c: Regenerated. * generated/minloc1_4_i4.c: Regenerated. * generated/minloc1_4_i8.c: Regenerated. * generated/minloc1_4_r10.c: Regenerated. * generated/minloc1_4_r16.c: Regenerated. * generated/minloc1_4_r4.c: Regenerated. * generated/minloc1_4_r8.c: Regenerated. * generated/minloc1_4_s1.c: Regenerated. * generated/minloc1_4_s4.c: Regenerated. * generated/minloc1_8_i1.c: Regenerated. * generated/minloc1_8_i16.c: Regenerated. * generated/minloc1_8_i2.c: Regenerated. * generated/minloc1_8_i4.c: Regenerated. * generated/minloc1_8_i8.c: Regenerated. * generated/minloc1_8_r10.c: Regenerated. * generated/minloc1_8_r16.c: Regenerated. * generated/minloc1_8_r4.c: Regenerated. * generated/minloc1_8_r8.c: Regenerated. * generated/minloc1_8_s1.c: Regenerated. * generated/minloc1_8_s4.c: Regenerated. * generated/minval0_s1.c: Regenerated. * generated/minval0_s4.c: Regenerated. * generated/minval1_s1.c: Regenerated. * generated/minval1_s4.c: Regenerated. * generated/minval_i1.c: Regenerated. * generated/minval_i16.c: Regenerated. * generated/minval_i2.c: Regenerated. * generated/minval_i4.c: Regenerated. * generated/minval_i8.c: Regenerated. * generated/minval_r10.c: Regenerated. * generated/minval_r16.c: Regenerated. * generated/minval_r4.c: Regenerated. * generated/minval_r8.c: Regenerated. * generated/product_c10.c: Regenerated. * generated/product_c16.c: Regenerated. * generated/product_c4.c: Regenerated. * generated/product_c8.c: Regenerated. * generated/product_i1.c: Regenerated. * generated/product_i16.c: Regenerated. * generated/product_i2.c: Regenerated. * generated/product_i4.c: Regenerated. * generated/product_i8.c: Regenerated. * generated/product_r10.c: Regenerated. * generated/product_r16.c: Regenerated. * generated/product_r4.c: Regenerated. * generated/product_r8.c: Regenerated. * generated/sum_c10.c: Regenerated. * generated/sum_c16.c: Regenerated. * generated/sum_c4.c: Regenerated. * generated/sum_c8.c: Regenerated. * generated/sum_i1.c: Regenerated. * generated/sum_i16.c: Regenerated. * generated/sum_i2.c: Regenerated. * generated/sum_i4.c: Regenerated. * generated/sum_i8.c: Regenerated. * generated/sum_r10.c: Regenerated. * generated/sum_r16.c: Regenerated. * generated/sum_r4.c: Regenerated. * generated/sum_r8.c: Regenerated. 2018-12-31 Thomas Koenig <tkoenig@gcc.gnu.org> PR fortran/82995 * gfortran.dg/optional_absent_4.f90: New test. * gfortran.dg/optional_absent_5.f90: New test. From-SVN: r267487
2018-12-29expr.c (external_spec_function): Add ieee_support_subnormal to list of IEEE ↵Steven G. Kargl5-2/+30
inquiry functions. 2018-12-29 Steven G. Kargl <kargl@gcc.gnu.org> * expr.c (external_spec_function): Add ieee_support_subnormal to list of IEEE inquiry functions. 2018-12-29 Steven G. Kargl <kargl@gcc.gnu.org> * gfortran.map: Expose subnormal functions in dynamic library. * ieee/ieee_arithmetic.F90: Add support for IEEE_SUBNORMAL, IEEE_POSITIVE_SUBNORMAL, and IEEE_NEGATIVE_SUBNORMAL. * ieee/ieee_helper.c: Ditto. * ieee/ieee_features.F90: Add IEEE_SUBNORMAL. 2018-12-29 Steven G. Kargl <kargl@gcc.gnu.org> * gfortran.dg/ieee/ieee_11.F90: New test. From-SVN: r267468
2018-12-29re PR fortran/88342 (Possible bug with IEEE_POSITIVE_INF and ↵Steven G. Kargl2-1/+123
-ffpe-trap=overflow) 2018-12-29 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/88342 * ieee/ieee_arithmetic.F90: Prevent exceptions in IEEE_VALUE if -ffpe-trap=invalid or -ffpe-trap=overflow is used. 2018-12-29 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/88342 * gfortran.dg/ieee/ieee_10.f90: New test. From-SVN: r267465
2018-12-28re PR libfortran/81984 (NULL string pointer dereferencing forces undefined ↵Steven G. Kargl2-0/+13
behaviour in libgfortran) 2018-12-28 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/81984 * intrinsics/string_intrinsics_inc.c: Placate the sanitizer. From-SVN: r267452
2018-12-21re PR fortran/69121 (IEEE_SCALB is not generic)Steven G. Kargl2-11/+149
2018-12-21 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/69121 * ieee/ieee_arithmetic.F90: Provide missing interfaces for IEEE_SCALB. 2018-12-21 Steven G. Kargl <kargl@gcc.gnu.org> PR fortran/69121 * gfortran.dg/ieee/ieee_9.f90: New test. From-SVN: r267343
2018-12-20ieee_arithmetic.F90: Re-organize file to eliminate #ifdef ...Steven G. Kargl2-152/+77
2018-12-20 Steven G. Kargl <kargl@gcc.gnu.org> * libgfortran/ieee/ieee_arithmetic.F90: Re-organize file to eliminate #ifdef ... #endif. No functional change. From-SVN: r267312
2018-12-09re PR libfortran/88411 (Random crashes for ASYNCHRONOUS writes (bad locking?))Thomas Koenig2-12/+19
2018-12-09 Thomas Koenig <tkoenig@gcc.gnu.org> PR fortran/88411 * io/transfer.c (dta_transfer_init): Do not treat as an asynchronous statement unless the statement has ASYNCHRONOUS="YES". (st_write_done): Likewise. (st_read_done): Do not perform async_wait for synchronous I/O on an async unit. (st_read_done): Likewise. 2018-12-09 Thomas Koenig <tkoenig@gcc.gnu.org> PR fortran/88411 * testsuite/libgomp.fortran/async_io_8.f90: New test. From-SVN: r266929
2018-12-02Use atomic load/store to access static backtrace state pointerJanne Blomqvist2-6/+17
As the static backtrace state pointer can be accessed from multiple threads, use atomics to access it. Regtested on x86_64-pc-linux-gnu. libgfortran/ChangeLog: 2018-12-02 Janne Blomqvist <jb@gcc.gnu.org> PR libfortran/88137 * runtime/backtrace.c (show_backtrace): Use atomic load/store to access the static lbstate pointer. From-SVN: r266724
2018-11-30Initialize backtrace state onceJanne Blomqvist2-4/+14
From backtrace.h for backtrace_create_state: Calling this function allocates resources that can not be freed. There is no backtrace_free_state function. The state is used to cache information that is expensive to recompute. Programs are expected to call this function at most once and to save the return value for all later calls to backtrace functions. So instead of calling backtrace_create_state every time we wish to show a backtrace, do it once and store the result in a static variable. libbacktrace allows multiple threads to access the state, so no need to use TLS. Regtested on x86_64-pc-linux-gnu. libgfortran/ChangeLog: 2018-11-30 Janne Blomqvist <jb@gcc.gnu.org> PR libfortran/88137 * runtime/backtrace.c (show_backtrace): Make lbstate a static variable, initialize once. From-SVN: r266677
2018-11-23Make recursion_check work for multiple threadsJanne Blomqvist2-7/+45
With multiple threads, using an unprotected static variable to check whether recursion has occured isn't valid, as one thread might have modified the variable, thus causing another thread to incorrectly conclude that recursion has occured. This patch avoids this problem by using a thread-specific variable for the recursion check. Regtested on x86_64-pc-linux-gnu. libgfortran/ChangeLog: 2018-11-23 Janne Blomqvist <jb@gcc.gnu.org> * runtime/error.c (MAGIC): Remove. (recursion_key): New variable. (recursion_check): Use thread-specific variable for recursion check if threads are active. (constructor_recursion_check): New function. (destructor_recursion_check): New funcion. From-SVN: r266419
2018-11-22Replace sync builtins with atomic builtinsJanne Blomqvist7-41/+78
The old __sync builtins have been deprecated for a long time now in favor of the __atomic builtins following the C++11/C11 memory model. This patch converts libgfortran to use the modern __atomic builtins. At the same time I weakened the consistency to relaxed for incrementing and decrementing the counter, and acquire-release when decrementing to check whether the counter is 0 and the unit can be freed. This is similar to e.g. std::shared_ptr in C++. Regtested on x86_64-pc-linux-gnu. libgfortran/ChangeLog: 2018-11-22 Janne Blomqvist <jb@gcc.gnu.org> * acinclude.m4 (LIBGFOR_CHECK_ATOMIC_FETCH_ADD): Rename and test presence of atomic builtins instead of sync builtins. * configure.ac (LIBGFOR_CHECK_ATOMIC_FETCH_ADD): Call new test. * io/io.h (inc_waiting_locked): Use __atomic_fetch_add. (predec_waiting_locked): Use __atomic_add_fetch. (dec_waiting_unlocked): Use __atomic_fetch_add. * config.h.in: Regenerated. * configure: Regenerated. * Makefile.in: Regenerated. From-SVN: r266367
2018-11-09re PR fortran/78351 (comma not terminating READ of formatted input field - ↵Jerry DeLisle2-1/+6
ok in 4.1.7, not 4.4.7- maybe related to 25419?) 2018-11-09 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR libfortran/78351 * io/transfer.c (read_sf_internal): Delete leftover debug code. From-SVN: r265979
2018-11-09re PR fortran/78351 (comma not terminating READ of formatted input field - ↵Jerry DeLisle2-23/+78
ok in 4.1.7, not 4.4.7- maybe related to 25419?) 2018-11-08 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR libfortran/78351 * io/transfer.c (read_sf_internal): Add support for early comma termination of internal unit formatted reads. * gfortran.dg/read_legacy_comma.f90: New test. From-SVN: r265946
2018-10-31Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856).Joseph Myers7-4013/+4498
This patch updates GCC to use autoconf 2.69 and automake 1.15.1. (That's not the latest automake version, but it's the one used by binutils-gdb, with which consistency is desirable, and in any case seems a useful incremental update that should make a future update to 1.16.1 easier.) The changes are generally similar to the binutils-gdb ones, and are copied from there where shared files and directories are involved (there are some further changes to such shared directories, however, which I'd expect to apply to binutils-gdb once this patch is in GCC). Largely, obsolete AC_PREREQ calls are removed, while many AC_LANG_SOURCE calls are added to avoid warnings from aclocal and autoconf. Multilib support is no longer included in core automake, meaning that multilib.am needs copying from automake's contrib directory into the GCC source tree. Autoconf 2.69 has Go support, so local copies of that support are removed. I hope the D support will soon be submitted to upstream autoconf so the local copy of that can be removed in a future update. Changes to how automake generates runtest calls mean quotes are removed from RUNTEST definitions in five lib*/testsuite/Makefile.am files (libatomic, libgomp, libitm, libphobos, libvtv; some others have RUNTEST definitions without quotes, which are still OK); libgo and libphobos also get -Wno-override added to AM_INIT_AUTOMAKE so those overrides of RUNTEST do not generate automake warnings. Note that the regeneration did not include regeneration of fixincludes/config.h.in (attempting such regeneration resulted in all the USED_FOR_TARGET conditionals disappearing; and I don't see anything in the fixincludes/ directory that would result in such conditionals being generated, unlike in the gcc/ directory). Also note that libvtv/testsuite/other-tests/Makefile.in was not regenerated; that directory is not listed as a subdirectory for which Makefile.in gets regenerated by calling "automake" in libvtv/, so I'm not sure how it's meant to be regenerated. While I mostly fixed warnings should running aclocal / automake / autoconf, there were various such warnings from automake in the libgfortran, libgo, libgomp, liboffloadmic, libsanitizer, libphobos directories that I did not fix, preferring to leave those to the relevant subsystem maintainers. Specifically, most of those warnings were of the following form (example from libgfortran): Makefile.am:48: warning: source file 'caf/single.c' is in a subdirectory, Makefile.am:48: but option 'subdir-objects' is disabled automake: warning: possible forward-incompatibility. automake: At least a source file is in a subdirectory, but the 'subdir-objects' automake: automake option hasn't been enabled. For now, the corresponding output automake: object file(s) will be placed in the top-level directory. However, automake: this behaviour will change in future Automake versions: they will automake: unconditionally cause object files to be placed in the same subdirectory automake: of the corresponding sources. automake: You are advised to start using 'subdir-objects' option throughout your automake: project, to avoid future incompatibilities. I think it's best for the relevant maintainers to add subdir-objects and do any other associated Makefile.am changes needed. In some cases the paths in the warnings involved ../; I don't know if that adds any extra complications to the use of subdir-objects. I've tested this with native, cross and Canadian cross builds. The risk of any OS-specific issues should I hope be rather lower than if a libtool upgrade were included (we *should* do such an upgrade at some point, but it's more complicated - it involves identifying all our local libtool changes to see if any aren't included in the upstream version we update to, and reverting an upstream libtool patch that's inappropriate for use in GCC); I think it would be better to get this update into GCC so that people can test in different configurations and we can fix any issues found, rather than to try to get more and more testing done before it goes in. top level: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * multilib.am: New file. From automake. Merge from binutils-gdb: 2018-06-19 Simon Marchi <simon.marchi@ericsson.com> * libtool.m4: Use AC_LANG_SOURCE. * configure.ac: Remove AC_PREREQ, use AC_LANG_SOURCE. * ar-lib: New file. * test-driver: New file. * configure: Re-generate. config: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * math.m4, tls.m4: Use AC_LANG_SOURCE. Merge from binutils-gdb: 2018-06-19 Simon Marchi <simon.marchi@ericsson.com> * override.m4 (_GCC_AUTOCONF_VERSION): Bump from 2.64 to 2.69. fixincludes: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * configure.ac: Remove AC_PREREQ. * aclocal.m4, configure: Regenerate. gcc: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE. Use single line for second argument of AC_DEFINE_UNQUOTED. * doc/install.texi (Tools/packages necessary for modifying GCC): Update to autoconf 2.69 and automake 1.15.1. * aclocal.m4, config.in, configure: Regenerate. gnattools: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * configure.ac: Remove AC_PREREQ. * configure: Regenerate. gotools: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * config/go.m4: Remove file. * Makefile.am (ACLOCAL_AMFLAGS): Do not use -I ./config. * configure.ac: Remove AC_PREREQ. Do not include config/go.m4. * Makefile.in, aclocal.m4, configure: Regenerate. intl: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 Merge from binutils-gdb: 2018-06-19 Simon Marchi <simon.marchi@ericsson.com> * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS, remove AC_PREREQ. * configure: Re-generate. * config.h.in: Re-generate. * aclocal.m4: Re-generate. libada: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * configure.ac: Remove AC_PREREQ. * configure: Regenerate. libatomic: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * Makefile.am: Include multilib.am. * acinclude.m4: Use AC_LANG_SOURCE. * configure.ac: Remove AC_PREREQ. * testsuite/Makefile.am (RUNTEST): Remove quotes. * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in: Regenerate. libbacktrace: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * Makefile.am: Include multilib.am. * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE. * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate. libcc1: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * configure.ac: Remove AC_PREREQ. * Makefile.in, aclocal.m4, configure: Regenerate. libcpp: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE. * aclocal.m4, config.in, configure: Regenerate. libdecnumber: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 Merge from binutils-gdb: 2018-06-19 Simon Marchi <simon.marchi@ericsson.com> * configure.ac: Remove AC_PREREQ. * configure: Re-generate. * aclocal.m4. libffi: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * Makefile.am: Include multilib.am. (AUTOMAKE_OPTIONS): Add info-in-builddir. (CLEANFILES): Remove doc/libffi.info. * configure.ac: Remove AC_PREREQ. * Makefile.in, aclocal.m4, configure, fficonfig.h.in, include/Makefile.in, man/Makefile.in, testsuite/Makefile.in: Regenerate. libgcc: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE. * configure: Regenerate. libgfortran: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * Makefile.am: Include multilib.am. * configure.ac: Remove AC_PREREQ. * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate. libgo [logically part of this change but omitted from the commit]: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * Makefile.am: Include multilib.am. * config/go.m4: Remove file. * config/libtool.m4: Use AC_LANG_SOURCE. * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE. Use -Wno-override in AM_INIT_AUTOMAKE call. * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in: Regenerate. libgomp: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * Makefile.am: Include multilib.am (AUTOMAKE_OPTIONS): Add info-in-builddir. (CLEANFILES): Remove libgomp.info. * configure.ac: Remove AC_PREREQ. * testsuite/Makefile.am (RUNTEST): Remove quotes. * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in: Regenerate. libhsail-rt: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * configure.ac: Remove AC_PREREQ. * Makefile.in, aclocal.m4, configure: Regenerate. libiberty: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 Merge from binutils-gdb: 2018-06-19 Simon Marchi <simon.marchi@ericsson.com> * configure.ac: Remove AC_PREREQ. * configure: Re-generate. * config.in: Re-generate. libitm: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * Makefile.am: Include multilib.am. (AUTOMAKE_OPTIONS): Add info-in-builddir. (CLEANFILES): Remove libitm.info. * configure.ac: Remove AC_PREREQ. * testsuite/Makefile.am (RUNTEST): Remove quotes. * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in: Regenerate. libobjc: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * configure.ac: Remove AC_PREREQ. * aclocal.m4, config.h.in, configure: Regenerate. liboffloadmic: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * Makefile.am: Include multilib.am. * configure.ac: Remove AC_PREREQ. * plugin/Makefile.am: Include multilib.am. * plugin/configure.ac: Remove AC_PREREQ. * Makefile.in, aclocal.m4, configure, plugin/Makefile.in, plugin/aclocal.m4, plugin/configure: Regenerate. libphobos: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * Makefile.am: Include multilib.am. * configure.ac: Remove AC_PREREQ. Use -Wno-override in AM_INIT_AUTOMAKE call. * m4/autoconf.m4: Add extra argument to AC_LANG_DEFINE call. * m4/druntime/os.m4: Use AC_LANG_SOURCE. * testsuite/Makefile.am (RUNTEST): Remove quotes. * Makefile.in, aclocal.m4, configure, libdruntime/Makefile.in, src/Makefile.in, testsuite/Makefile.in: Regenerate. libquadmath: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * Makefile.am: Include multilib.am. (AUTOMAKE_OPTIONS): Remove 1.8. Add info-in-builddir. (all-local): Define outside conditional code. (CLEANFILES): Remove libquadmath.info. * configure.ac: Remove AC_PREREQ. * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate. libsanitizer: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * Makefile.am: Include multilib.am. * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE. * Makefile.in, aclocal.m4, asan/Makefile.in, configure, interception/Makefile.in, libbacktrace/Makefile.in, lsan/Makefile.in, sanitizer_common/Makefile.in, tsan/Makefile.in, ubsan/Makefile.in: Regenerate. libssp: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * Makefile.am: Include multilib.am. (AUTOMAKE_OPTIONS): Remove 1.9.5. * configure.ac: Remove AC_PREREQ. Quote argument to AC_RUN_IFELSE. * Makefile.in, aclocal.m4, configure: Regenerate. libstdc++-v3: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * Makefile.am: Include multilib.am. * configure.ac: Remove AC_PREREQ. * Makefile.in, aclocal.m4, configure, doc/Makefile.in, include/Makefile.in, libsupc++/Makefile.in, po/Makefile.in, python/Makefile.in, src/Makefile.in, src/c++11/Makefile.in, src/c++17/Makefile.in, src/c++98/Makefile.in, src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate. libvtv: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * Makefile.am: Include multilib.am. * configure.ac: Remove AC_PREREQ. * testsuite/Makefile.am (RUNTEST): Remove quotes. * Makefile.in, aclocal.m4, configure, testsuite/Makefile.in: Regenerate. lto-plugin: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE. * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate. zlib: 2018-10-31 Joseph Myers <joseph@codesourcery.com> PR bootstrap/82856 * Makefile.am: Include multilib.am. Merge from binutils-gdb: 2018-06-19 Simon Marchi <simon.marchi@ericsson.com> * configure.ac: Modernize AC_INIT call, remove AC_PREREQ. * Makefile.am (AUTOMAKE_OPTIONS): Remove 1.8, cygnus, add foreign. * Makefile.in: Re-generate. * aclocal.m4: Re-generate. * configure: Re-generate. From-SVN: r265695
2018-10-28re PR fortran/54613 ([F08] Add FINDLOC plus support MAXLOC/MINLOC with ↵Thomas Koenig86-415/+14139
KIND=/BACK=) 2017-10-28 Thomas Koenig <tkoenig@gcc.gnu.org> PR fortran/54613 * gfortran.h (gfc_isym_id): Add GFC_ISYM_FINDLOC. (gfc_check_f): Add f6fl field. (gfc_simplify_f): Add f6 field. (gfc_resolve_f): Likewise. (gfc_type_letter): Add optional logical_equas_int flag. * check.c (intrinsic_type_check): New function. (gfc_check_findloc): New function. * intrinsics.c (gfc_type_letter): If logical_equals_int is set, act accordingly. (add_sym_5ml): Reformat comment. (add_sym_6fl): New function. (add_functions): Add findloc. (check_arglist): Add sixth argument, handle it. (resolve_intrinsic): Likewise. (check_specific): Handle findloc. * intrinsic.h (gfc_check_findloc): Add prototype. (gfc_simplify_findloc): Likewise. (gfc_resolve_findloc): Likewise. (MAX_INTRINSIC_ARGS): Adjust. * iresolve.c (gfc_resolve_findloc): New function. * simplify.c (gfc_simplify_minmaxloc): Make static. (simplify_findloc_to_scalar): New function. (simplify_findloc_nodim): New function. (simplify_findloc_to_array): New function. (gfc_simplify_findloc): New function. (gfc_conv_intrinsic_findloc): New function. (gfc_conv_intrinsic_function): Handle GFC_ISYM_FINDLOC. (gfc_is_intrinsic_libcall): Likewise. 2017-10-28 Thomas Koenig <tkoenig@gcc.gnu.org> PR fortran/54613 * Makefile.am: Add files for findloc. * Makefile.in: Regenerated. * libgfortran.h (gfc_array_index_type): Add. (gfc_array_s1): Add using GFC_UINTEGER_1. (gfc_array_s4): Likewise. Replace unnecessary comment. (HAVE_GFC_UINTEGER_1): Define. (HAVE_GFC_UINTEGER_4): Define. * m4/findloc0.m4: New file. * m4/findloc0s.m4: New file. * m4/findloc1.m4: New file. * m4/findloc1s.m4: New file. * m4/findloc2s.m4: New file. * m4/ifindloc0.m4: New file. * m4/ifindloc1.m4: New file. * m4/ifindloc2.m4: New file. * m4/iparm.m4: Use unsigned integer for characters. * generated/findloc0_c16.c: New file. * generated/findloc0_c4.c: New file. * generated/findloc0_c8.c: New file. * generated/findloc0_i1.c: New file. * generated/findloc0_i16.c: New file. * generated/findloc0_i2.c: New file. * generated/findloc0_i4.c: New file. * generated/findloc0_i8.c: New file. * generated/findloc0_r16.c: New file. * generated/findloc0_r4.c: New file. * generated/findloc0_r8.c: New file. * generated/findloc0_s1.c: New file. * generated/findloc0_s4.c: New file. * generated/findloc1_c16.c: New file. * generated/findloc1_c4.c: New file. * generated/findloc1_c8.c: New file. * generated/findloc1_i1.c: New file. * generated/findloc1_i16.c: New file. * generated/findloc1_i2.c: New file. * generated/findloc1_i4.c: New file. * generated/findloc1_i8.c: New file. * generated/findloc1_r16.c: New file. * generated/findloc1_r4.c: New file. * generated/findloc1_r8.c: New file. * generated/findloc1_s1.c: New file. * generated/findloc1_s4.c: New file. * generated/findloc2_s1.c: New file. * generated/findloc2_s4.c: New file. * generated/maxloc0_16_s1.c: Regenerated. * generated/maxloc0_16_s4.c: Regenerated. * generated/maxloc0_4_s1.c: Regenerated. * generated/maxloc0_4_s4.c: Regenerated. * generated/maxloc0_8_s1.c: Regenerated. * generated/maxloc0_8_s4.c: Regenerated. * generated/maxloc1_16_s1.c: Regenerated. * generated/maxloc1_16_s4.c: Regenerated. * generated/maxloc1_4_s1.c: Regenerated. * generated/maxloc1_4_s4.c: Regenerated. * generated/maxloc1_8_s1.c: Regenerated. * generated/maxloc1_8_s4.c: Regenerated. * generated/maxloc2_16_s1.c: Regenerated. * generated/maxloc2_16_s4.c: Regenerated. * generated/maxloc2_4_s1.c: Regenerated. * generated/maxloc2_4_s4.c: Regenerated. * generated/maxloc2_8_s1.c: Regenerated. * generated/maxloc2_8_s4.c: Regenerated. * generated/maxval0_s1.c: Regenerated. * generated/maxval0_s4.c: Regenerated. * generated/maxval1_s1.c: Regenerated. * generated/maxval1_s4.c: Regenerated. * generated/minloc0_16_s1.c: Regenerated. * generated/minloc0_16_s4.c: Regenerated. * generated/minloc0_4_s1.c: Regenerated. * generated/minloc0_4_s4.c: Regenerated. * generated/minloc0_8_s1.c: Regenerated. * generated/minloc0_8_s4.c: Regenerated. * generated/minloc1_16_s1.c: Regenerated. * generated/minloc1_16_s4.c: Regenerated. * generated/minloc1_4_s1.c: Regenerated. * generated/minloc1_4_s4.c: Regenerated. * generated/minloc1_8_s1.c: Regenerated. * generated/minloc1_8_s4.c: Regenerated. * generated/minloc2_16_s1.c: Regenerated. * generated/minloc2_16_s4.c: Regenerated. * generated/minloc2_4_s1.c: Regenerated. * generated/minloc2_4_s4.c: Regenerated. * generated/minloc2_8_s1.c: Regenerated. * generated/minloc2_8_s4.c: Regenerated. * generated/minval0_s1.c: Regenerated. * generated/minval0_s4.c: Regenerated. * generated/minval1_s1.c: Regenerated. * generated/minval1_s4.c: Regenerated. 2017-10-28 Thomas Koenig <tkoenig@gcc.gnu.org> PR fortran/54613 * gfortran.dg/findloc_1.f90: New test. * gfortran.dg/findloc_2.f90: New test. * gfortran.dg/findloc_3.f90: New test. * gfortran.dg/findloc_4.f90: New test. * gfortran.dg/findloc_5.f90: New test. * gfortran.dg/findloc_6.f90: New test. From-SVN: r265570
2018-10-06Use gfc_charlen_type instead of int for string lenghtsJanne Blomqvist3-17/+38
This patch cleans up a few places where I noticed the code was still using int instead gfc_charlen_type for string lengths. Regtested on x86_64-pc-linux-gnu, committed as obvious. libgfortran/ChangeLog: 2018-10-06 Janne Blomqvist <jb@gcc.gnu.org> * io/unix.c (compare_file_filename): Use gfc_charlen_type instead of int for string length. (inquire_sequential): Likewise. (inquire_direct): Likewise. (inquire_formatted): Likewise. (inquire_unformatted): Likewise. (inquire_access): Likewise. (inquire_read): Likewise. (inquire_write): Likewise. (inquire_readwrite): Likewise. * io/unix.h (compare_file_filename): Likewise. (inquire_sequential): Likewise. (inquire_direct): Likewise. (inquire_formatted): Likewise. (inquire_unformatted): Likewise. (inquire_read): Likewise. (inquire_write): Likewise. (inquire_readwrite): Likewise. From-SVN: r264901
2018-10-02* io/close.c [!HAVE_UNLINK_OPEN_FILE]: Include <string.h>.Gerald Pfeifer2-0/+7
From-SVN: r264800
2018-09-21Use vectored writes when reporting errors and warnings.Janne Blomqvist9-85/+279
When producing error and warning messages, libgfortran writes a message by using many system calls. By using vectored writes (the POSIX writev function) when available and feasible to use without major surgery, we reduce the chance that output gets intermingled with other output to stderr. In practice, this is done by introducing a new function estr_writev in addition to the existing estr_write. In order to use this, the old st_vprintf is removed, replaced by direct calls of vsnprintf, allowing more message batching. Regtested on x86_64-pc-linux-gnu. libgfortran/ChangeLog: 2018-09-21 Janne Blomqvist <jb@gcc.gnu.org> * config.h.in: Regenerated. * configure: Regenerated. * configure.ac: Check for writev and sys/uio.h. * libgfortran.h: Include sys/uio.h. (st_vprintf): Remove prototype. (struct iovec): Define if not available. (estr_writev): New prototype. * runtime/backtrace.c (error_callback): Use estr_writev. * runtime/error.c (ST_VPRINTF_SIZE): Remove. (estr_writev): New function. (st_vprintf): Remove. (gf_vsnprintf): New function. (ST_ERRBUF_SIZE): New macro. (st_printf): Use vsnprintf. (os_error): Use estr_writev. (runtime_error): Use vsnprintf and estr_writev. (runtime_error_at): Likewise. (runtime_warning_at): Likewise. (internal_error): Use estr_writev. (generate_error_common): Likewise. (generate_warning): Likewise. (notify_std): Likewise. * runtime/pause.c (pause_string): Likewise. * runtime/stop.c (report_exception): Likewise. (stop_string): Likewise. (error_stop_string): Likewise. From-SVN: r264487
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