+2001-05-01 Zack Weinberg <zackw@stanford.edu>
+
+ * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
+ Remove references to deleted files.
+ (*-*-openbsd): No need to override xmake_file.
+ (*-*-sysv4): Treat like *-*-sysv.
+
+ * configure.in: Probe for ldopen in various places, and set up
+ collect2 to be linked with them if found.
+ Don't dink with Windows registry stuff unless $host_os is a
+ Win32 os name. Check to see if we need -ladvapi32.
+ * configure: Regenerate.
+
+ * Makefile: Get rid of CLIB and HOST_CLIB.
+ Substitute in COLLECT2_LIBS and link collect2 against its contents.
+ * build-make: Get rid of HOST_CLIB.
+
+ * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
+ config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
+ config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
+ config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
+ config/rs6000/x-rs6000: Delete.
+
+ * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
+ Don't set CLIB.
+
+ 24 x-host fragments remain, 0 x-cpu, 3 top level.
+
+2001-05-01 Zack Weinberg <zackw@stanford.edu>
+
+ * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
+ * configure: Regenerate.
+
+2001-05-01 Angela Marie Thomas <angela@cygnus.com>
+
+ * Makefile.in (install-headers): Remove redundant dependency.
+
+2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
+
+ * c-tree.texi (USING_STMT): Document.
+
+2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
+ * c-common.c: Likewise.
+ * c-decl.c: Likewise.
+ * combine.c: Likewise.
+ * rs6000.c: Likewise.
+ * except.c: Likewise.
+ * explow.c: Likewise.
+ * expr.c: Likewise.
+ * fold-const.c: Likewise.
+ * function.c: Likewise.
+ * gcc.c: Likewise.
+ * gcse.c: Likewise.
+ * integrate.c: Likewise.
+ * loop.c: Likewise.
+ * objc/objc-act.c: Likewise.
+ * recog.c: Likewise.
+ * reg-stack.c: Likewise.
+ * reload.c: Likewise.
+ * reload1.c: Likewise.
+ * simplify-rtx.c: Likewise.
+ * stmt.c: Likewise.
+ * varasm.c: Likewise.
+
+2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.def: New file.
+ * diagnostic.h (diagnostic_t): New enum.
+ * Makefile.in (diagnostic.o): Depend on diagnostic.def
+
+2001-04-30 Zack Weinberg <zackw@stanford.edu>
+
+ * tsystem.h: Test only POSIX for availability of string.h
+ and time.h.
+ * config.gcc (all systems): If USG appeared in xm_defines,
+ change it to POSIX. If both USG and POSIX appeared, just
+ delete USG. Remove unnecessary quotes around xm_defines
+ settings.
+ (m68k-crds-unos*): Don't #define unos - tested nowhere.
+ (m68k-apple-aux*): Don't #define AUX - tested nowhere.
+ (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
+ powerpc-*-linux*): No need to set xm_defines - handled by
+ global settings for *-*-linux*.
+
+2001-04-30 Zack Weinberg <zackw@stanford.edu>
+
+ * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
+ Always include gstab.h, not system stab.h. Don't provide
+ default definitions of N_CATCH or N_OPT. Always use the
+ gstab.h variant of STAB_CODE_TYPE.
+ * final.c: Don't include stab.h/gstab.h at all, or provide
+ defaults for N_SLINE and N_SOL.
+
+ * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
+ N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
+ available.
+ * sdbout.c: Always include gsyms.h instead of system syms.h.
+
+ * configure.in: No need to check for stab.h.
+ * configure, config.in: Regenerate.
+ * Makefile.in (final.o): Don't depend on gstab.h.
+
+2001-04-30 Mark Mitchell <mark@codesourcery.com>
+ Richard Henderson <rth@redhat.com>
+
+ * extend.texi: Improve documentation of volatile asms.
+
+2001-04-30 Mark Mitchell <mark@codesourcery.com>
+
+ * c-tree.texi: Fix thinko.
+ * gcc.texi: Likewise.
+
+2001-04-30 Richard Henderson <rth@redhat.com>
+
+ * c-common.c (c_promoting_integer_type_p): New function, from the
+ corpse of old macro. Properly promote too-small enumerations and
+ booleans. Adjust all callers.
+ * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
+ (c_promoting_integer_type_p): Declare.
+ * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
+ * c-typeck.c: Likewise.
+ (default_conversion): Remove now redundant boolean check.
+
+2001-04-30 Jan Hubicka <jh@suse.cz>
+ Richard Henderson <rth@redhat.com>
+
+ * regmove.c (try_apply_stack_adjustment): Remove now redundant
+ sanity checks.
+ (combine_stack_adjustments_for_block): Don't combine stack
+ allocation followed by deallocations. Handle grow-up stacks.
+
+2001-04-30 Mark Mitchell <mark@codesourcery.com>
+
+ * fdl.texi: New file.
+ * c-tree.texi: Use the GFDL.
+ * gcc.texi: Likewise.
+
+2001-04-30 Stan Shebs <shebs@apple.com>
+
+ * invoke.texi: Add a section documenting Objective-C options.
+
+2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
+
+ * emit-rtl.c (try_split): Copy EH notes to sequence.
+
+2001-04-30 Mark Mitchell <mark@codesourcery.com>
+
+ * regmove.c (record_stack_memrefs): Catch all references to the
+ stack pointer.
+
+2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
+
+ * Makefile.in(stmp-fixinc): quote shell assignment values
+
+2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
+
+ * gcc.c: Likewise.
+
+ * prefix.c: Likewise.
+
+2001-04-28 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c (handle_class_ref): Rewrite to flush target
+ specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
+ * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
+ * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
+
+ * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
+ (NEXT_OBJC_RUNTIME): Define.
+
+Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
+ * simplify-rtx.c (simplify_gen_relational): Likewise.
+
+ * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
+
+ * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
+ * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
+
+ * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
+ registers in SSE case; fix handling of the immediates.
+ (negsf2_ifs, abssf2_ifs): Tweak constraints; require
+ operands to be in regsiters before reload.
+ (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
+ (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
+ (abstf,absxf,negtf,negxf splitters): Compute
+ properly the regnum for x86_64.
+ (avsdf2_if_rex64): New.
+
+Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
+ and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
+ into the constant pool.
+ * jump.c (jump_optimize_1): Remove barrier successors after all
+ the LABEL_NUSES counds have been computed.
+ (delete_barrier_successors): When deleting a tablejump insn, also
+ delete the jump table it uses.
+ * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
+ label into memory.
+
+2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
+
+ * pa.c (FRP): Remove erroneous white space in macro definition.
+
+2001-04-28 Andreas Jaeger <aj@suse.de>
+
+ * invoke.texi: Use XX-bit instead of XXbit or XX bit where
+ appropriate.
+ * extend.texi: Likewise.
+ * tm.texi: Likewise.
+
+2001-04-28 Andreas Jaeger <aj@suse.de>
+
+ * md.texi: Use XX-bit instead of XXbit or XX bit where
+ appropriate.
+
+2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
+
+ * gcc.c (process_command): Allow -l lib in addition to -llib
+ for POSIX compliance. This fixes PR c/2347.
+
+ * invoke.texi: Update section on Link Options accordingly.
+
+2001-04-27 Zack Weinberg <zackw@stanford.edu>
+
+ * function.c (purge_addressof_1): Remove the duplicate
+ if (code == SET) block. Fold the two if (code == ADDRESSOF)
+ blocks together.
+
+2001-04-28 Jason Merrill <jason_merrill@redhat.com>
+
+ * except.c (expand_eh_region_start): Don't start a new block.
+ (expand_eh_region_end): Don't end a block.
+ * stmt.c (expand_end_bindings): Don't end EH blocks.
+ (expand_decl_cleanup): Starting an EH region won't change the block.
+ (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
+ (is_eh_region): Lose.
+ * tree.h: Adjust.
+
+2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
+
+ * collect2.c (main): Add `-L' case to remove duplicate entries.
+ (is_in_args): New function to check for a duplicate argument.
+ * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
+ * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
+ * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
+ Define to be nonzero.
+
+2001-04-27 Andreas Jaeger <aj@suse.de>
+ Richard Henderson <rth@redhat.com>
+
+ * md.texi (Machine Constraints): Document additional i386
+ constraints and fix description of "A".
+
+Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
+
+ * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
+
+2001-04-27 Jason Merrill <jason_merrill@redhat.com>
+
+ * except.c (get_exception_filter): word_mode, not Pmode.
+
+2001-04-26 Geoffrey Keating <geoffk@redhat.com>
+
+ * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
+ common to other movsf patterns. Move up so that in future
+ people who change the other patterns will change it too.
+ (movsf_lo_sum): Allow even for soft-float; add appropriate
+ constraints.
+ (movsf_high): Likewise.
+ (movsf_high+1): Allow even for soft-float.
+
+ * function.c (expand_function_end): Always clobber the
+ return registers, even if there is no return label.
+
+Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
+
+Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
+ (pushqi2_rex64, pushhi2_rex64): Add.
+
+2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
+
+ * except.c (expand_eh_region_end_cleanup): Force pending stack
+ adjust before emitting label that branches around cleanup code.
+
+2001-04-26 H.J. Lu (hjl@gnu.org)
+
+ * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
+
+ * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
+ define.
+ * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
+ (ASM_OUTPUT_SECTION_NAME): Likewise.
+ (ASM_WEAKEN_LABEL): Likewise.
+ (UNIQUE_SECTION): Likewise.
+ (ASM_OUTPUT_CONSTRUCTOR): Likewise.
+ (ASM_OUTPUT_DESTRUCTOR): Likewise.
+ * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
+ (ASM_OUTPUT_SECTION_NAME): Likewise.
+ (ASM_WEAKEN_LABEL): Likewise.
+ (UNIQUE_SECTION): Likewise.
+ (ASM_OUTPUT_CONSTRUCTOR): Likewise.
+ (ASM_OUTPUT_DESTRUCTOR): Likewise.
+ * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
+ * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
+ (ASM_FILE_START): Likewise.
+ (ASM_OUTPUT_SOURCE_LINE): Likewise.
+ (ASM_DECLARE_OBJECT_NAME): Likewise.
+ (ASM_FILE_END): Likewise.
+ (ASM_DECLARE_FUNCTION_NAME): Likewise.
+ (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
+ (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ (ASM_OUTPUT_CASE_LABEL): Likewise.
+ (ASM_OUTPUT_SKIP): Likewise.
+ (ASM_OUTPUT_ASCII): Likewise.
+ (ASM_OUTPUT_IDENT): Likewise.
+ (READONLY_DATA_SECTION): Likewise.
+ (EXTRA_SECTIONS): Likewise.
+ (EXTRA_SECTION_FUNCTIONS): Likewise.
+ (SELECT_RTX_SECTION): Likewise.
+ (SELECT_SECTION): Likewise.
+
+ * config/mips/linux.h (INVOKE__main): Undefine.
+ (CTOR_LIST_BEGIN): Likewise.
+ (CTOR_LIST_END): Likewise.
+ (DTOR_LIST_BEGIN): Likewise.
+ (DTOR_LIST_END): Likewise.
+ (SET_ASM_OP): Defined it to ".dummy".
+ (ASM_OUTPUT_DEF): Defined.
+ (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
+
+2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
+ assembler supports .p2align.
+
+2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
+
+ * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
+
+2001-04-26 Jakub Jelinek <jakub@redhat.com>
+
+ * integrate.c (expand_inline_function): Check for error_mark_node
+ in actual argument.
+
+2001-04-26 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
+ -m386 and -m486.
+
+2001-04-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.in (configargs.h): Define thread_model.
+ * configure: Rebuilt.
+ * gcc.c (main): Print it with -v.
+
+2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi: Document -Wmissing-braces, -dumpspecs,
+ -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
+ * gcc.1: Regenerate.
+
+2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
+ is_redundant_typedef): Use static inline instead of inline static.
+
+Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
+ this directory is always searched.
+
+2001-04-25 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
+ of registers to restore along non eh_return path.
+
+2001-04-25 Jakub Jelinek <jakub@redhat.com>
+
+ * c-format.c (check_format_info_recurse): Handle
+ PLUS_EXPR for format string.
+
+2001-04-25 Jakub Jelinek <jakub@redhat.com>
+
+ * config/ia64/ia64.h (CC1_SPEC): Define.
+ * config/ia64/linux.h (CC1_SPEC): Define.
+
+Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * emit-rtl.c (constant_subword): Also do sign extension in
+ BITS_PER_WORD == 16 case.
+
+2001-04-25 Jason Merrill <jason_merrill@redhat.com>
+
+ * loop.c (try_swap_copy_prop): Go back to checking insn.
+
+2001-04-25 Jakub Jelinek <jakub@redhat.com>
+
+ * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
+ if check_mode is non-zero.
+
+2001-04-25 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
+ out and comparison sequence has been detected, put result into
+ proper temporary pseudo.
+
+2001-04-24 Zack Weinberg <zackw@stanford.edu>
+
+ * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
+ * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
+ * libgcc2.c: Remove __dummy and __builtin_saveregs.
+ * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
+ * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
+ for future reference.
+
+2001-04-24 Jason Merrill <jason_merrill@redhat.com>
+
+ * except.c (reachable_handlers): Step out one level from a RESX.
+
+ * except.c (struct eh_region): Rename 'last' to 'resume'.
+ (mark_eh_region, duplicate_eh_region_1): Adjust.
+ (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
+ (build_post_landing_pads): Likewise.
+ (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
+ (expand_eh_region_end_must_not_throw): Likewise.
+ (connect_post_landing_pads): Thread (only) regions with non-deleted
+ resume insns.
+
+ * except.c (expand_eh_region_end_cleanup): Save the EH return data
+ registers around the cleanup.
+ (get_exception_filter): New fn.
+ (finish_eh_generation): Use it.
+
+2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
+
+ * c-semantics.c (add_scope_stmt): Don't call
+ current_scope_stmt_stack multiple times.
+
+2001-04-24 Zack Weinberg <zackw@stanford.edu>
+ Nathan Sidwell <nathan@codesourcery.com>
+
+ Lazy __FUNCTION__ generation.
+ * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
+ RID_C99_FUNCTION_NAME): New _RIDs.
+ (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
+ (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
+ CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
+ global tree slots.
+ (function_id_node, pretty_function_id_node, func_id_node): Remove.
+ (c99_function_name_decl_node, function_name_decl_node,
+ pretty_function_name_decl_node, saved_function_name_decls):
+ Declare.
+ (struct language_function): Remove x_function_name_declared_p.
+ (make_fname_decl): Remove a parameter.
+ (declare_function_names): Remove prototype.
+ (start_fname_decls, finish_fname_decls): Prototype.
+ (fname_as_string): Likewise.
+ (fname_string, fname_decl): Likewise.
+ * c-common.c (make_fname_decl): Adjust.
+ (struct fname_var_t): New struct.
+ (fname_vars): New static array.
+ (declare_function_name): Remove.
+ (start_fname_decls, finish_fname_decls): New functions.
+ (fname_as_string): New function from remnants of
+ declare_function_name.
+ (fname_string, fname_decl): New functions.
+
+ * c-decl.c (c_function_name_declared_p): Remove.
+ (init_decl_processing): Don't generate __FUNCTION__ et al ids,
+ don't call declare_function_name. Call start_fname_decls.
+ (c_make_fname_decl): Adjust parameters. Generate the name. Don't
+ clobber the line number. Call finish_decl.
+ (start_function): Call start_fname_decls.
+ (finish_function): Call finish_fname_decls.
+ Remove c_function_name_declared_p.
+ (push_c_function_context): Don't push c_function_name_declared_p.
+ (pop_c_function_context): Don't pop c_function_name_declared_p.
+ (c_begin_compound_stmt): Don't check c_function_name_declared_p.
+ * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
+ (program): Call finish_fname_decls for C.
+ (primary): Add VAR_FUNC_NAME.
+ (reswords): Add slots for __FUNCTION__ et al.
+ (rid_to_yy): Add mappings for __FUNCTION__ et al.
+ (yylexname): If it's a STRING_FUNC_NAME generate the function name
+ now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
+ * c-semantics.c (prune_unused_decls): Remove.
+ (finish_stmt_tree): Don't call prune_unused_decls.
+ (genrtl_decl_stmt): Don't prune unused decls here.
+
+2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
+ constant pool, use the pool's SYMBOL_REF instead.
+
+ * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
+ v850e.
+
+2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
+ passing nested NOP_EXPRs to fold.
+
+Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
+
+2001-04-22 Mark Mitchell <mark@codesourcery.com>
+
+ * loop.c (loop_delete_insns): Add prototype.
+
+2001-04-23 Phil Edwards <pme@sources.redhat.com>
+
+ * configure.in: Remove ENABLE_STD_NAMESPACE.
+ * config.in: Regenerated.
+ * configure: Regenerated.
+
+2001-04-22 Stan Shebs <shebs@apple.com>
+
+ * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
+ into xm_defines.
+ * config/rs6000/xm-darwin.h: Remove file.
+
+2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
+ (write_c_file_stat): Likewise.
+
+ * dbxout.c (dbxout_init): Likewise.
+
+ * profile.c (output_func_start_profiler): Likewise.
+
+2001-04-22 Philipp Thomas <pthomas@suse.de>
+
+ * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
+ require it instead of the CVS version.
+ * cpperror.c (v_message): Put a blank before the macro
+ body to not confuse exgettext.
+
+2001-04-21 Mark Mitchell <mark@codesourcery.com>
+
+ * flow.c (proagate_one_insn): Remove useless assignment.
+ * jump.c (delete_insn): Tidy.
+ * loop.c (try_copy_prop): When deleting an instruction with a
+ REG_RETVAL note, delete the entire libcall sequence.
+ (loop_delete_insns): New function.
+ * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
+ we're not substituting into them yet.
+
+2001-04-21 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
+
+ * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
+ Fix a comment typo.
+ * config/i960/i960.c (signed_arith_operand): Likewise.
+
+ * calls.c (expand_call): Fix a comment typo.
+
+2001-04-20 Zack Weinberg <zackw@stanford.edu>
+
+ * configure.in: Probe for times, clock, struct tms, and clock_t.
+ * configure, config.in: Regenerate.
+ * timevar.c: Replace ifdef forest in get_time with (relatively)
+ straightforward series of checks based on autoconf's probes.
+
+Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
+
+ * config/pa/som.h (NM_FLAGS): Define.
+
+2001-04-20 Bernd Schmidt <bernds@redhat.com>
+
+ * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
+ function.
+ * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
+ * ia64.c (nop_cycles_until): New function.
+ (prev_cycle, prev_first, last_issued): New static variables.
+ (ia64_sched_reorder): Additional arg for clock.
+ On final scheduling pass, emit extra NOPs as needed.
+ Set prev_first and prev_cycle.
+ (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
+ (ia64_variable_issue): Set last_issued.
+
+2001-04-20 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/i386/i386.c (ix86_expand_int_movcc,
+ ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
+
+2001-04-20 Geoff Keating <geoffk@redhat.com>
+
+ * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
+ ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
+ ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
+ ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
+ ctrdi_internal6): In the short-branch case, this insn is only 4
+ bytes long. Reported by Reza Yazdani <reza@apple.com>.
+
+2001-04-20 Jakub Jelinek <jakub@redhat.com>
+
+ * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
+ "=u" is used together with "st" resp. "st(1)" clobber.
+
+2001-04-20 Jakub Jelinek <jakub@redhat.com>
+
+ * gcse.c (gcse_main): Fix comment typo.
+ (delete_null_pointer_check): Likewise.
+ (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
+ * cse.c (cse_insn): Likewise.
+ * function.c (fixup_var_refs_insns_with_hash): The sequence is
+ toplevel.
+
+2001-04-19 Zack Weinberg <zackw@stanford.edu>
+
+ * toplev.c: Excise all code for the undocumented -dm option.
+ (float_signal): Call signal just once, unconditionally.
+
+2001-04-19 Geoff Keating <geoffk@redhat.com>
+
+ * fold-const.c (fold): Use first_rtl_op rather than
+ TREE_CODE_LENGTH when looping over parameters of a tree.
+ Correct strange grouping in test for evaluated SAVE_EXPR.
+
+Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
+
+ * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
+ * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
+
+ * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
+ name at 32 total characters.
+ (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
+ functions in named sections -- data items can still go into unique
+ sections, but they have normal names (ie $LIT$ and $DATA$).
+
+ * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
+ INIT_PRIORITY.
+
+2001-04-19 DJ Delorie <dj@redhat.com>
+
+ * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
+ to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
+ * config/i386/cygwin.h: Likewise.
+ * config/i386/mingw32.h: Likewise.
+ * config/vax/vms.h: Likewise.
+ * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
+
+ * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
+ to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
+ * config/i386/xm-cygwin.h: Likewise.
+ * config/i386/xm-djgpp.h: Likewise.
+ * config/i386/xm-mingw32.h: Likewise.
+ * config/vax/xm-vms.h: Likewise.
+
+ * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
+ instead of OBJECT_SUFFIX.
+ * collect2.c (find_a_file): Look for files matching the extension
+ HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
+ * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
+ TARGET_EXECUTABLE_SUFFIX.
+ (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
+ (make_relative_prefix): Likewise.
+ (convert_filename): Use TARGET_ suffixes throughout. Remove
+ NO_AUTO_EXE_SUFFIX.
+ (process_command): Likewise.
+ (do_spec_1): Likewise.
+ * java/lang.c (init_parse): Likewise.
+
+ * gcc.texi : Document four new options matching the pattern
+ (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
+ for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
+ documentation for NO_AUTO_EXE_SUFFIX.
+
+2001-04-19 Mark Mitchell <mark@codesourcery.com>
+
+ * toplev.h (struct lang_hooks): Allow decode_option to indicate
+ that language-independent processing should not be done.
+ * toplev.c (main): Adjust accordingly.
+
+ * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
+ * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
+
+ * mips.md (reload_outputdi): Require that operand0 be a
+ general_operand.
+
+2001-04-19 Jakub Jelinek <jakub@redhat.com>
+
+ * invoke.texi (-Wshadow): Clarify.
+
+2001-04-18 Mark Mitchell <mark@codesourcery.com>
+
+ * loop.c (load_mems): Examine all the instructions in the loop
+ before concluding that all jumps branch to the first instruction
+ after the loop.
+
+Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
+
+2001-04-18 Jakub Jelinek <jakub@redhat.com>
+
+ * cpp.texi (-Wwhite-space): Remove.
+ (-Wall): -Wall does not imply -Wwhite-space.
+
+2001-04-17 Zack Weinberg <zackw@stanford.edu>
+
+ * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
+ use it instead of blindly generating a .stabs.
+ * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
+ in the right place.
+ * xcoffout.c: Don't bother defining default for N_CATCH.
+ (UNKNOWN_STAB): Use internal_error.
+ (stab_to_sclass): Remove now-unnecessary aborts.
+ Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
+
+Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
+
+ * jump.c (mark_all_labels): Canonicalize the tail recursion
+ label attached to CALL_PLACEHOLDER insns.
+
+2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * output.h (dump_flow_info, free_basic_block_vars,
+ which_alternative): Delete redundant prototypes.
+
+ * rtl.h (bss_section): Likewise.
+
+2001-04-17 Loren J. Rittle <ljrittle@acm.org>
+
+ * dbxout.c (N_OPT): Define if not available from <stab.h>
+
+2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
+ libraries and native K&R compilers.
+
+2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-typeck.c (convert_arguments): Don't check for width changes
+ with -Wtraditional.
+
+ * invoke.texi (-Wtraditional): Update documentation.
+
2001-04-16 Zack Weinberg <zackw@stanford.edu>
* toplev.c (output_lang_identify): Delete.
* pa.md (reload_outdi): Operand 0 must be a non hard register.
- * pa.c (secondary_reload_class): SAR<->FP copies require a
+ * pa.c (secondary_reload_class): SAR<->FP copies require a
secondary register.
* install.texi (mips-mips-bsd): Update list of functions
2001-04-13 Alan Modra <alan@linuxcare.com.au>
- * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
- fp mode addresses.
+ * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
+ fp mode addresses.
2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
gen_move_insn): Delete redundant declarations.
+2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
+ (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
+ MAKEINFO and MAKEINFOFLAGS too.
+ (stage4_build): Correctly order -B flags.
+
2001-04-13 Alan Modra <amodra@one.net.au>
* pa.c (hppa_init_pic_save): Set rtx_unchanging for
eliminate_constant_term, expand_complex_abs, find_single_use,
make_tree, init_expr_once, init_optabs, supports_one_only):
Likewise.
-
+
* tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
expand_assignment, store_expr, emit_line_note_after,
emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
-
+
* toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
* sparc-protos.h: Delete redundant prototypes.
2001-04-10 Andrew MacLeod <amacleod@redhat.com>
- * function.c (purge_single_hard_subreg_set): Only check REGNO if
+ * function.c (purge_single_hard_subreg_set): Only check REGNO if
the subreg was a hard register. Pseudos are left as subregs.
-2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
(LIB2ADD_ST): New macro, pass it to mklibgcc.
* mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
- (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
+ (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
* config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
2001-04-09 Bo Thorsen <bo@suse.co.uk>
2001-04-09 Andrew MacLeod <amacleod@redhat.com>
- * output.h (set_block_num): Missed it earlier, remove deprecated
+ * output.h (set_block_num): Missed it earlier, remove deprecated
prototype.
2001-04-09 Andrew MacLeod <amacleod@redhat.com>
(oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
(handle_rd_kill_set): Change bb parameter from int to basic_block.
(compute_kill_rd): Pass basic_blocks instead of ints as parameters.
- (expr_killed_p): Change bb parameter from int to basic_block, pass
+ (expr_killed_p): Change bb parameter from int to basic_block, pass
basic_blocks instead of ints as parameters.
(compute_ae_kill): Pass basic_blocks instead of ints as parameters.
- (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
+ (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
from int to basic_block, pass basic_blocks instead of ints as parms.
- (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
+ (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
parameter from int to basic_block, pass basic_blocks instead of ints.
(process_insert_insn): Pass basic_blocks instead of ints as parameters.
- (insert_insn_end_bb): Change bb parameter from int to basic_block,
+ (insert_insn_end_bb): Change bb parameter from int to basic_block,
pass basic_blocks instead of ints.
- (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
+ (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
basic_blocks instead of ints as parameters.
(pre_delete): Pass basic_blocks instead of ints as parameters.
- (hoist_expr_reaches_here_p): Change bb parameter from int to
+ (hoist_expr_reaches_here_p): Change bb parameter from int to
basic_block, pass basic_blocks instead of ints.
(hoist_code): Pass basic_blocks instead of ints as parameters.
- (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
+ (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
Change bb parameter from int to basic_block.
(build_store_vectors): Pass basic_blocks instead of ints as parameters.
- (insert_insn_start_bb): Change bb parameter from int to basic_block,
+ (insert_insn_start_bb): Change bb parameter from int to basic_block,
pass basic_blocks instead of ints.
(insert_store): Pass basic_blocks instead of ints as parameters.
- (replace_store_insn, delete_store): Change bb parameter from int to
+ (replace_store_insn, delete_store): Change bb parameter from int to
basic_block, pass basic_blocks instead of ints.
(store_motion): Pass basic_blocks instead of ints as parameters.
* flow.c (set_block_num): Remove obsolete function.
(set_block_for_new_insns): Set BB for single or multiple insns.
* gcse.c (handle_avail_expr): Use set_block_for_new_insns.
- (process_insn_end_bb): Use set_block_for_new_insns or
+ (process_insn_end_bb): Use set_block_for_new_insns or
set_block_for_insn instead of set_block_num.
(pre_insert_copy_insn): Use set_block_for_new_insns.
(update_ld_motion_stores): Use set_block_for_new_insns.
* flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
* gcse.c (struct ls_expr): Add load/store expressions structure.
(modify_mem_list, canon_modify_mem_list): New variable.
- (gcse_main): Initialize & finalize alias analysis. Use enhanced
+ (gcse_main): Initialize & finalize alias analysis. Use enhanced
load motion and store motion if requested.
(alloc_gcse_mem): Allocate space for modify_mem_list array.
(free_gcse_mem): Free the modify_mem_list array.
(oprs_unchanged_p): Use load_killed_in_block_p.
(gcse_mems_conflict_p, gcse_mem_operand): New variables.
- (mems_conflict_for_gcse_p): New function. Don't kill loads
+ (mems_conflict_for_gcse_p): New function. Don't kill loads
with stores to themselves if its in the load/store expression list.
(load_killed_in_block_p): New function.
(canon_list_insert): New Function.
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