+1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
+
+Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
+
+ * reload.c (find_reloads): When force const to memory, put result
+ in substed_operand not *recog_operand_loc.
+
+1998-12-02 Ulrich Drepper <drepper@cygnus.com>
+
+ * c-lex.c: Fix indentation from last patch.
+ Remove trailing whitespace.
+ * real.c: Likewise.
+
+Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (delete_block): Call set_last_insn after we have reset
+ NEXT_INSN (kept_tail).
+
+Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
+
+ * mips.md (trap_if): Use "$0" for the value zero.
+
+Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
+ Stephen L Moshier <moshier@world.std.com>
+ Richard Henderson <rth@cygnus.com>
+
+ * c-common.c (declare_function_name): Declare predefinied variable
+ `__func__'.
+
+ * c-decl.c (flag_isoc9x): Set to 1 by default.
+ (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
+ (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
+
+ * c-parse.in: Allow constructors in ISO C 9x.
+ Rewrite designator list handling.
+ Allow [*] parameters.
+ Don't warn about comma at end of enum definition for ISO C 9x.
+
+ * cccp.c (c9x): New variable.
+ (rest_extension): New variable.
+ (print_help): Document new -std= option.
+ (main): Recognize -std= option. Set c9x appropriately.
+ (create_definition): Recognize ISO C 9x vararg macros.
+
+ * gcc.c (default_compilers): Adjust specs for -std options.
+ (option_map): Add --std.
+ (display_help): Document -std.
+
+ * toplev.c (documented_lang_options): Add -std and remove
+ -flang-isoc9x.
+
+ * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
+ or REAL_VALUE_HTOF based on base of the constants.
+ * fold-const.c (real_hex_to_f): New function. Replacement function
+ for hex FP conversion if REAL_ARITHMETIC is not defined.
+ * real.c (asctoeg): Add handling of hex FP constants.
+ * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
+ real_hex_to_f.
+
+Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
+
+ * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
+ -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
+ expansion. Use hi/lo as destination register.
+ (div_trap): New.
+ (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
+ umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
+ Avoid as macro expansion. Use hi/lo as destination register.
+
+ * mips.h (MASK_CHECK_RANGE_DIV): New.
+ (MASK_NO_CHECK_ZERO_DIV): New.
+ (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
+ (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
+ return address for leaf functions out of r31 to support
+ builtin_return_address.
+
+Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
+ NEXT_INSN(x) to check insn x.
+
+Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (delete_block): Call set_last_insn if we end up deleting the
+ last insn in the rtl chain.
+
+ * reload1.c (reload): Do not set reload_completed or split insns
+ here. Instead...
+ * toplev.c (rest_of_compilation): Set reload_completed after
+ reload returns. Split insns after reload_cse has run.
+
+Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
+
+ * final.c (final_scan_insn): Abort if block_depth falls below 0.
+
+Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
+
+Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
+
+ * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
+ use of user-label_prefix.
+
+Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (emit_reload_insns): Clear spill_reg_store
+ when doing a new non-inherited reload from the same pseudo.
+
+ * local-alloc.c (function_invariant_p): New function.
+ (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
+ to decide if an equivalence should be recorded.
+ * reload1.c (num_eliminable_invariants): New static variable.
+ (reload): Set it. Use function_invariant_p instead of CONSTANT_P
+ to decide if an equivalence should be recorded.
+ Unshare PLUS.
+ (calculate_needs_all_insns): Skip insns that only set an equivalence.
+ Take num_eliminable_invariants into account when deciding
+ if register elimination should be done.
+ (reload_as_needed): Take num_eliminable_invariants into account
+ when deciding if register elimination should be done.
+ (eliminate_regs): Handle non-constant reg_equiv_constant.
+ * rtl.h (function_invariant_p): Declare.
+
+Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
+
+ * except.c (add_new_handler): Complain about additional handlers
+ after one that catches everything.
+
+Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
+
+ * configure.in (alpha*-*-netbsd): Fix typo.
+ * configure: Rebuilt.
+
+Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h: Include libiberty.h.
+
+ * c-aux-info.c: Remove prototypes for concat/concat3. Change
+ function `concat' from fixed parameters to variable parameters,
+ as is done in libiberty. All callers of concat/concat3
+ changed to use the new `concat' with variable args.
+
+ * cccp.c: Remove things made redundant by libiberty.h and/or
+ conform to libiberty standards.
+ * cexp.y: Likewise.
+ * collect2.c: Likewise.
+ * config/1750a/1750a.h: Likewise.
+ * cppalloc.c: Likewise.
+ * cppexp.c: Likewise.
+ * cppfiles.c: Likewise.
+ * cpphash.c: Likewise.
+ * cpplib.c: Likewise.
+ * dyn-string.c: Likewise.
+ * fix-header.c: Likewise.
+ * gcc.c: Likewise.
+ * gcov.c: Likewise.
+ * genattr.c: Likewise.
+ * genattrtab.c: Likewise.
+ * gencheck.c: Likewise.
+ * gencodes.c: Likewise.
+ * genconfig.c: Likewise.
+ * genemit.c: Likewise.
+ * genextract.c: Likewise.
+ * genflags.c: Likewise.
+ * gengenrtl.c: Likewise.
+ * genopinit.c: Likewise.
+ * genoutput.c: Likewise.
+ * genpeep.c: Likewise.
+ * genrecog.c: Likewise.
+ * getpwd.c: Likewise.
+ * halfpic.c: Likewise.
+ * hash.c: Likewise.
+ * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
+ in NEED_DECLARATION_* macros.
+
+ * mips-tfile.c: Remove things made redundant by libiberty.h and/or
+ conform to libiberty standards.
+ (fatal): Fix const-ification of variable `format' in
+ !ANSI_PROTOTYPES case.
+
+ * prefix.c: Remove things made redundant by libiberty.h and/or
+ conform to libiberty standards.
+
+ * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
+ conflicting with function `spaces' from libiberty.
+
+ * profile.c: Remove things made redundant by libiberty.h and/or
+ conform to libiberty standards.
+ * protoize.c: Likewise.
+ * rtl.h: Likewise.
+ * scan.h: Likewise.
+ * tlink.c: Likewise.
+ * toplev.c: Likewise.
+ * toplev.h: Likewise.
+ * tree.h: Likewise.
+
+Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
+
+Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * README.C4X: Updated URLs.
+ * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
+ (valid_parallel_operands_5): Remove unused variable.
+
+Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
+
+1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
+
+ * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
+ which can be configured.
+ (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
+ (Makefile): Pass actual LANGUAGES through the environment when
+ re-configuring.
+ (cstamp-h): Likewise.
+ (config.status): Likewise.
+
+ * configure.in (enable_languages): Add new configuration parameter
+ "--enable-languages=lang1,lang2,...".
+ (${srcdir}/*/config-lang.in): Change handling to configure only
+ those directories, that the user might have enabled; default to
+ "all" existing languages.
+ * configure: Regenerate.
+
+Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
+
+ * rtlanal.c (regs_set_between_p): New function.
+ * rtl.h (regs_set_between_p): Prototype it.
+ * jump.c (jump_optimize): Use it instead of modified_between_p
+ in the Sep 2 change.
+
+Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
+ Matthias Pfaller <leo@dachau.marco.de>
+
+ * invoke.texi (Option Summary, NS32K Options): add description
+ of NS32K specific options.
+
+ * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
+ fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
+ fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
+ negdf2, absdf2): Use l instead of f since the double class and
+ float class are no longer the same.
+ (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
+ divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
+ ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
+ use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
+ fixed.
+ (cmpsi, cmphi, cmpqi): use general_operand instead of
+ non_immediate_operand. Removes erroneous assumption that can't
+ compare constants.
+ (movsf, movsi, movhi, movqi,...): New register numbering scheme.
+ (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
+ constants.
+ (movstrsi, movstrsi1, movstrsi2): completely new block move
+ scheme.
+ (...): Patterns to exploit multiply-add instructions.
+ (udivmodsi4, udivmodsi_internal4, udivmodhi4,
+ udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
+ patterns to exploit extended divide insns.
+ (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
+ etc patterns.
+
+ * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
+ float return values as well as simple scalar floats.
+ (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
+ support new flag to denote 32381 fpu.
+ (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
+ (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
+ compling for 32381.
+ (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
+ REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
+ REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
+ L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
+ LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
+ REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
+ REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
+ REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
+ REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
+ fpu registers and special register classes for new 32381
+ instructions dotf and polyf.
+ (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
+ be tieable.
+ (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
+ INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
+ required.
+ (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
+ (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
+ (REGISTER_MOVE_COST): move code to register_move_cost function for
+ ease of coding and debugging.
+ (CLASS_LIKELY_SPILLED_P): Under new register scheme class
+ LONG_FLOAT_REGO is likely spilled but not caught by default
+ definition.
+ (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
+ instead of hard coded numbers in range check.
+ (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
+ (...): Add prototypes for functions in ns32k.c but disable because
+ of problems when ns32k.h is included in machine independant files.
+
+ * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
+ (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
+ hard_regno_mode_ok, secondary_reload_class,
+ print_operand, print_operand_address): new register scheme to
+ include 32381 fpu registers and special register classes for new
+ 32381 instructions dotf and polyf.
+ (gen_indexed_expr): Make static to keep namespace clean.
+ (check_reg): remove since never called.
+ (move_tail, expand_block_move): helper functions for "movstrsi"
+ block move insn.
+ (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
+ Increase cost of moves which go via memory.
+ * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
+ (CPP_PREDEFINES): nolonger predefine "unix".
+
+ * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
+ Remove erroneous %$. print_operand() can work out from the rtx is
+ an immediate prefix is required.
+
+ * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
+ VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
+ SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
+ convention.
+ (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
+ pic operands.
+
+ * ns32k.c (symbolic_reference_mentioned_p, print_operand):
+ Correct handling of pic operands.
+ (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
+ ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
+ -mrtd calling convention.
+
+Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
+
+ * gcc.c (option_map): Recognize --output-class-directory.
+
+Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.h (precondition_loop_p): Added new mode argument.
+ * unroll.c (precondition_loop_p): Likewise.
+ (approx_final_value): Function deleted and subsumed
+ into loop_iterations.
+ (loop_find_equiv_value): New function.
+ (loop_iterations): Use loop_find_equiv_value to find increments
+ too large to be immediate constants. Also use it to find terms
+ common to initial and final iteration values that can be removed.
+
+Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.h (struct loop_info): Define new structure.
+ (precondition_loop_p): Added prototype.
+ (unroll_loop): Added new argument loop_info to prototype.
+ (final_biv_value, final_giv_value): Added new argument n_iterations
+ to prototype.
+ * loop.c (strength_reduce): Declare new structure loop_iteration_info
+ and new pointer loop_info.
+ (loop_n_iterations): Replace global variable by element in
+ loop_info structure.
+ (check_final_value): New argument n_iterations.
+ (insert_bct): New argument loop_info.
+ (loop_unroll_factor): Replace global array by element in
+ loop_info structure.
+ (loop_optimize): Remove code to allocate and initialise
+ loop_unroll_factor_array.
+ * unroll.c (precondition_loop_p): No longer static since
+ used by branch on count optimization.
+ (precondition_loop_p, unroll_loop): New argument loop_info.
+ (final_biv_value, final_giv_value, find_splittable_regs): New
+ argument n_iterations.
+ (loop_iteration_var, loop_initial_value, loop_increment,
+ loop_final_value, loop_comparison_code, loop_unroll_factor):
+ Replaced global variables by loop_info structure.
+ (loop_unroll_factor): Replace global array by element in
+ loop_info structure.
+
+Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
+ when loop reversed.
+
+ * unroll.c (precondition_loop_p): Return loop_initial_value
+ for initial_value instead of loop_iteration_var.
+
+Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
+ (*b, *b_rev, *b_noov, *b_noov_rev, *db,
+ decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
+ to output the instruction sequences.
+ (rpts): Delete.
+ (rptb_top): Provide alternatives to use any register or memory
+ for loop counter.
+ (rptb_end): Emit use of operands rather than assigning them
+ explicitly to the RS and RE registers.
+
+Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
+ c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
+ c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
+ c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
+ c4x_merge_notes, c4x_parallel_process,
+ c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
+ c4x_combine_parallel): Delete.
+
+Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c: (c4x_override_options): For compatibility
+ with old target options clear flag_branch_on_count_reg if
+ -mno-rptb specified and set flag_argument_alias is -mno-aliases
+ specified.
+ (c4x_output_cbranch): Handle a sequence of insns rather than a
+ single insn.
+ (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
+ has not been allocated as the loop counter.
+ (c4x_address_conflict): Do not allow two volatile memory references.
+ (valid_parallel_operands_4, valid_parallel_operands_5,
+ valid_parallel_operands_6): Reject pattern if the register destination
+ of the first set is used as part of an address in the second set.
+
+Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
+ (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
+ is no longer enabled if PARALLEL_MPY_FLAG set.
+ (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
+ (REG_CLASS_CONTENTS): Add braces around initializers.
+ (HAVE_MULTIPLE_PACK): Define.
+ (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
+ REAL_VALUE_TO_DECIMAL.
+ (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
+ REAL_VALUE_TO_DECIMAL.
+ (ar0_reg_operand): Add prototype.
+ (ar0_mem_operand): Likewise.
+ (ar1_reg_operand): Likewise.
+ (ar1_mem_operand): Likewise.
+ (ar2_reg_operand): Likewise.
+ (ar2_mem_operand): Likewise.
+ (ar3_reg_operand): Likewise.
+ (ar3_mem_operand): Likewise.
+ (ar4_reg_operand): Likewise.
+ (ar4_mem_operand): Likewise.
+ (ar5_reg_operand): Likewise.
+ (ar5_mem_operand): Likewise.
+ (ar6_reg_operand): Likewise.
+ (ar6_mem_operand): Likewise.
+ (ar7_reg_operand): Likewise.
+ (ar7_mem_operand): Likewise.
+ (ir0_reg_operand): Likewise.
+ (ir0_mem_operand): Likewise.
+ (ir1_reg_operand): Likewise.
+ (ir1_mem_operand): Likewise.
+ (group1_reg_operand): Likewise.
+ (group1_mem_operand): Likewise.
+ (ir1_reg_operand): Likewise.
+ (arx_reg_operand): Likewise.
+ (not_rc_reg): Likewise.
+ (not_modify_reg): Likewise.
+ (c4x_group1_reg_operand): Remove prototype.
+ (c4x_group1_mem_operand): Likewise.
+ (c4x_arx_reg_operand): Likewise.
+
+Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
+
+ * emit-rtl.c (gen_lowpart_common): Remove earlier change.
+ * real.c (make_nan): Make SIGN arg actually specify the sign bit.
+
+Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
+ during reload.
+
+Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
+ unless FMOVD_WORKS is defined.
+
+Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * regclass.c (init_reg_sets): Move code that calculates tables
+ dependent on reg_class_contents from here...
+ (init_reg_sets_1): To here.
+
+Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
+
+ * cpplib.h: Delete struct import_file. Add ihash element to
+ struct cpp_buffer. Delete dont_repeat_files and
+ import_hash_table elements from cpp_reader; change
+ all_include_files to a hash table. Delete all foobar_include
+ / last_foobar_include elements from struct cpp_options; put
+ back four such: quote_include, bracket_include,
+ system_include, after_include. Redo struct file_name_list
+ completely. Add new structure type include_hash. Add
+ prototypes for merge_include_chains and include_hash. Change
+ prototypes for finclude, find_include_file, and
+ append_include_chain to match changes below.
+
+ * cppfiles.c (simplify_pathname, include_hash,
+ remap_filename, merge_include_chains): New functions.
+ (add_import, lookup_import, open_include_file): Removed.
+ (INO_T_EQ): Define this (copied from cccp.c).
+ (hack_vms_include_specification): Remove all calls and #if 0
+ out the definition. It was being called incorrectly and at
+ the wrong times. Until a VMSie can look at this, it's better
+ to not pretend to support it.
+ (append_include_chain): Change calling convention; now takes
+ only one directory at a time, and sets up the data structure
+ itself.
+ (redundant_include_p): Rewritten - this is now used for all
+ include redundancy, whether by #ifndef, #import, or #pragma
+ once. Looks up things in the include hash table.
+ (file_cleanup): Decrement pfile->system_include_depth here if
+ it's >0.
+ (find_include_file): Calling convention changed; now passes
+ around a struct include_hash instead of 3 separate parameters.
+ Guts ripped out and replaced with new include_hash mechanism.
+ (finclude): Calling convention changed as for
+ find_include_file. Error exits pulled out-of-line. Reformat.
+ (safe_read): Return a long, not an int.
+ (deps_output): Don't recurse.
+
+ * cpplib.c (is_system_include): Deleted.
+ (path_include): Fix up call to append_include_chain.
+ (do_include): Fix up calls to find_include_file and finclude.
+ Clean up dependency output a bit. Shorten obnoxiously lengthy
+ #import warning message. Don't decrement
+ pfile->system_include_depth here.
+ (do_pragma): Understand the include_hash structure. Reformat.
+ (do_endif): Correct handling of control macros. Understand
+ the include_hash.
+ (cpp_start_read): Fix up calls to finclude. Call
+ merge_include_chains.
+ (cpp_handle_option): Fix up calls to append_include_chain.
+ Understand the four partial include chains.
+ (cpp_finish): Add debugging code (#if 0-ed out) for the
+ include_hash.
+ (cpp_cleanup): Free the include_hash, not the import hash and
+ the all_include and dont_repeat lists which no longer exist.
+
+Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
+
+ * toplev.c (no_new_pseudos): Define.
+ (rest_of_compilation): Set no_new_pseudos as needed.
+ * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
+ if no_new_pseudos is set.
+ * rtl.h (no_new_pseudos): Declare it.
+ * reload1.c (reload): Update comments.
+ * md.texi: Corresponding changes.
+
+Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
+
+ * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
+ (choose_reload_regs): Rename it here as well. When computing it,
+ also merge in used hardregs.
+
+1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
+
+ * gcc.c: Split out Objective-C specs to...
+ * objc/lang-specs.h: here. (New file.) Make the specs cpplib
+ aware.
+
+ * c-lex.c (init_parse): Always initialize the filename global.
+ * objc/objc-act.c (lang_init): Always call check_newline at
+ beginning of file.
+
+Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
+
+ * reload1.c (reload): Remove unused variable.
+ (reload_reg_free_for_value_p): Add missing parameter definition.
+
+ * jump.c (jump_optimize): Remove unused variable.
+
+Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
+
+ * cse.c (fold_rtx): Make autoincrement addressing mode tests be
+ runtime selectable.
+ * expr.c (move_by_pieces): Similarly.
+ (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
+ * flow.c (find_auto_inc): Similarly.
+ (try_pre_increment): Similarly.
+ * loop.c (strength_reduce): Similarly.
+ * regclass.c (auto_inc_dec_reg_p): Similarly.
+ * regmove.c (try_auto_increment): Similarly.
+ (fixup_match_1): Similarly.
+ * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
+ (HAVE_PRE_DECREMENT): Similarly.
+ (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
+ * Corresponding changes to all target header files.
+ * tm.texi: Update docs for autoinc addressing modes.
+
+Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
+
+ * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
+ * configure: Rebuild.
+ * config/elfos.h: New file.
+ * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
+ config/m68k/t-m68kelf: New file.
+
+Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (HOST_AR): Define.
+ (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
+ (libcpp.a): Use the host tools explicitly.
+ (STAGESTUFF): Add libcpp.a.
+
+Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
+
+ * config/m32r/m32r.md (movstrsi_internal): Describe changes made
+ to source and destination registers.
+
+Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
+
+ * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
+ The strategy we now use is to pre allocate the top_elt along
+ with the EH context so that each thread has its own top_elt.
+ This is necessary as the dynmanic cleanup chain is used on the
+ top element of the stack and each thread MUST have its own.
+ (eh_context_static): Likewise.
+ (new_eh_context): Likewise.
+ (__sjthrow): Likewise.
+
+Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
+
+ * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
+ * i386.md (prologue_get_pc): Remove unused variable.
+
+Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
+
+ * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
+
+Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
+
+ * Makefile.in (OBJS): Add graph.o
+ (graph.o): New dependency list.
+ * flags.h: Declare dump_for_graph and define graph_dump_types type.
+ * print-rtl.c (dump_for_graph): Define new variable.
+ (print_rtx): Rewrite to allow use in graph dumping functions.
+ * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
+ finish_graph_dump_file.
+ Define graph_dump_format.
+ (compile_file): If graph dumping is enabled also clear these files.
+ Finish graph dump files.
+ (rest_of_compilation): Also dump graph information if enabled.
+ (main): Recognize -dv to enabled VCG based graph dumping.
+ * graph.c: New file. Graph dumping functions.
+
+Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
+
+ * configure.in: Look for <sys/stat.h>.
+ * system.h: Include it before substitute S_ISREG definitions.
+
+Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
+ * config/mips/iris6.h: Same.
+ * config/mips/mips.md: Same.
+ * config/mips/mips.c: Same; also add "-mabi=o64" option.
+ * config/mips/mips.h: Same; also define ABI_O64.
+
+Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in: Use AC_PREREQ(2.12.1).
+
+Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
+
+ * cccp.c (S_ISREG, S_ISDIR): Delete defines.
+ * cpplib.c, gcc.c: Likewise.
+ * system.h (S_ISREG, S_ISDIR): Define if not already defined.
+
+Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
+
+ * local-alloc.c (local_alloc): Use malloc not alloca for
+ reg_qty, reg_offset, ref_next_in_qty.
+
+Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * caller-save.c (insert_one_insn): Initialize the live_before and
+ live_after register sets.
+
+ Add SH4 support:
+
+ * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
+ (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
+ * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
+ (fp_reg_names, assembler_dialect): New variables.
+ (print_operand_address): Handle SUBREGs.
+ (print_operand): Added 'o' case.
+ Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
+ Name of FP registers depends on mode.
+ (expand_block_move): Emit different code for SH4 hardware.
+ (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
+ (from_compare): Likewise.
+ (add_constant): New argument last_value. Changed all callers.
+ (find_barrier): Don't try HImode load for FPUL_REG.
+ (machine_dependent_reorg): Likewise.
+ (sfunc_uses_reg): A CLOBBER cannot be the address register use.
+ (gen_far_branch): Emit a barrier after the new jump.
+ (barrier_align): Don't trust instruction lengths before
+ fixing up pcloads.
+ (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
+ Use auto-inc addressing for fp registers if doubles need to
+ be loaded in two steps.
+ Set sh_flag_remove_dead_before_cse.
+ (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
+ (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
+ (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
+ Support for FIRST_XD_REG .. LAST_XD_REG.
+ (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
+ (sh_expand_epilogue): Likewise.
+ (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
+ (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
+ (arith_reg_operand): FPUL_REG is OK for SH4.
+ (fp_arith_reg_operand, fp_extended_operand) New functions.
+ (tertiary_reload_operand, fpscr_operand): Likewise.
+ (commutative_float_operator, noncommutative_float_operator): Likewise.
+ (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
+ (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
+ (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
+ (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
+ * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
+ (CONDITIONAL_REGISTER_USAGE): Likewise.
+ (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
+ (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
+ (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
+ (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
+ (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
+ to -1 and sh_flag_remove_dead_before_cse to 1.
+ (ASSEMBLER_DIALECT): Define to assembler_dialect.
+ (assembler_dialect, fp_reg_names): Declare.
+ (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
+ Hide names of registers that are not accessible.
+ (CACHE_LOG): Take TARGET_CACHE32 into account.
+ (LOOP_ALIGN): Take TARGET_HARWARD into account.
+ (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
+ (FIRST_PSEUDO_REGISTER: Now 49.
+ (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
+ (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
+ (HARD_REGNO_MODE_OK): Update.
+ (enum reg_class): Add DF_REGS and FPSCR_REGS.
+ (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
+ (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
+ (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
+ (NPARM_REGS): Eight floating point parameter registers on SH4.
+ (BASE_RETURN_VALUE_REG): SH4 also passes double values
+ in floating point registers.
+ (GET_SH_ARG_CLASS) Likewise.
+ Complex float types are also returned in float registers.
+ (BASE_ARG_REG): Complex float types are also passes in float registers.
+ (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
+ (LIBCALL_VALUE): Remove trailing semicolon.
+ (ROUND_REG): Round when double precision value is passed in floating
+ point register(s).
+ (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
+ passed on the stack.
+ (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
+ (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
+ (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
+ (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
+ (MODE_DISP_OK_8): Not for SH4 DFmode.
+ (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
+ Allow indexed addressing for PSImode after reload.
+ (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
+ (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
+ Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
+ (DOUBLE_TYPE_SIZE): 64 for SH4.
+ (RTX_COSTS): Add PLUS case.
+ Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
+ (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
+ MAC_REGS, PR_REGS, DF_REGS.
+ (REGISTER_NAMES): Use fp_reg_names.
+ (enum processor_type): Add PROCESSOR_SH4.
+ (sh_flag_remove_dead_before_cse): Declare.
+ (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
+ (PREDICATE_CODES): Add binary_float_operator,
+ commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
+ fpscr_operand, noncommutative_float_operator.
+ (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
+ (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
+ * sh.md (attribute cpu): Add value sh4.
+ (attrbutes fmovd, issues): Define.
+ (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
+ (function units memory, int, mpy, fp): Make dependent on issue rate.
+ (function units issue, single_issue, load_si, load): Define.
+ (function units load_store, fdiv, gp_fpul): Define.
+ (attribute hit_stack): Provide proper default.
+ (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
+ (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
+ (udivsi3, divsi3): Emit special patterns for SH4 hardware,
+ (mulsi3_call): Now uses match_operand for function address.
+ (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
+ REG_RETVAL notes.
+ (push, pop, push_e, pop_e): Now define_expands.
+ (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
+ (movsi_ie): Added y/i alternative.
+ (ic_invalidate_line_i, movdf_i4): New insns.
+ (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
+ (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
+ (movdf): Add special code for SH4.
+ (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
+ (call_valuei, calli, call_value): Likewise.
+ (movsf): Emit no-op move.
+ (mov_nop, movsi_y): New insns.
+ (blt, sge): generalize to handle DFmode.
+ (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
+ (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
+ (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
+ (fpu_switch0, fpu_switch1, movpsi): New expanders.
+ (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
+ (toggle_sz): New insn.
+ (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
+ (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
+ (macsf3): Make use of fpscr visible. Disable for SH4.
+ (floatsisf2): Make use of fpscr visible.
+ (floatsisf2_i4): New insn.
+ (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
+ (ieee_ccmpeqsf_t): Likewise.
+ (fix_truncsfsi2): Emit different code for SH4.
+ (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
+ (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
+ (negsf2, sqrtsf2, abssf2): Now expanders.
+ (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
+ (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
+ (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
+ (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
+ (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
+ (fix_truncdfsi2_i4_2+1): New splitters.
+ (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
+ (extendsfdf2, truncdfsf2): New expanders.
+ (truncdfsf2_i4): New insn.
+ * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
+ (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
+ * float-sh.h: When testing for __SH3E__, also test for
+ __SH4_SINGLE_ONLY__ .
+ * va-sh.h (__va_freg): Define to float.
+ (__va_greg, __fa_freg, __gnuc_va_list, va_start):
+ Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
+ (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
+ (__PASS_AS_FLOAT): Use different definition for __SH4__ and
+ __SH4_SINGLE__.
+ (TARGET_SH4_P): Define.
+ (va_arg): Use it.
+
+ * sh.md (movdf_k, movsf_i): Tweak the condition so that
+ init_expr_once is satisfied about the existence of load / store insns.
+
+ * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
+ change m constraint in source operand to mr / mf .
+
+ * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
+
+ * (__VA_REEF): Define.
+ (__va_arg_sh1): Use it.
+
+ * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
+
+Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
+
+ * i386/dgux.c (struct option): Add new "description field".
+ * m88k/m88k.c (struct option): Likewise.
+
+Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
+
+ * regmove.c (regmove_profitable_p): Use return value of find_matches
+ properly.
+
+Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
+
+ * version.c: Bump for snapshot.
+
+Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
+
+ * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
+ without reload having been called earlier.
+
+ * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
+ addressing modes.
+ (v850_reorg): Similarly.
+
+ * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
+
+Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (move_movables): Start of libcall might be new loop start.
+
+Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
+
+Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
+
+ * function.c (nonlocal_goto_handler_slots): Renamed from
+ nonlocal_goto_handler_slot; now an EXPR_LIST chain.
+ (push_function_context_to): Adjust for this change.
+ (pop_function_context_from): Likewise.
+ (init_function_start): Likewise.
+ (expand_function_end): Likewise.
+ * function.h (struct function): Likewise.
+ * calls.c (expand_call): Likewise.
+ * explow.c (allocate_dynamic_stack_space): Likewise.
+ * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
+ * stmt.c (declare_nonlocal_label): Make a new handler slot for each
+ label.
+ (expand_goto): When doing a nonlocal goto, find corresponding handler
+ slot for it. Don't put the label address in the static chain register.
+ (expand_end_bindings): Break out nonlocal goto handling code into
+ three new functions.
+ (expand_nl_handler_label, expand_nl_goto_receiver,
+ expand_nl_goto_receivers): New static functions, broken out of
+ expand_end_bindings and adapted to create one handler per nonlocal
+ label.
+ * function.c (delete_handlers): Delete insn if it references any of
+ the nonlocal goto handler slots.
+ * i960.md (nonlocal_goto): Comment out code that modifies
+ static_chain_rtx.
+ * sparc.md (nonlocal_goto): Likewise.
+ (goto_handler_and_restore_v9): Comment out.
+ (goto_handler_and_restore_v9_sp64): Comment out.
+
+Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
+
+ * expr.c (STACK_BYTES): Delete unused macro.
+ * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
+ (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
+ (expand_call): Likewise.
+ (emit_library_call): Likewise.
+ (emit_library_call_value): Likewise.
+ * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
+ (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
+ * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
+ (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
+ (allocate_dynamic_stack_space): Likewise.
+ * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
+ (STACK_BOUNDARY): Update description to reflect the new situation.
+
Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
* reorg.c (relax_delay_slots): When optimizing for code size, if a
Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
- * Early auto_inc reloads don't conflict with outputs.
+ * reload1.c (reload_reg_free_for_value_p):
+ Early auto_inc reloads don't conflict with outputs.
Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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