+1999-12-07 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
+ suitable for holding OFmode values so that gcc works with complex
+ quad long doubles.
+ (hard_64bit_mode_classes): Likewise.
+
+ * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
+ so that it is actually matched.
+ (sethi_di_medlow): Likewise.
+
+ * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
+ as legitimate constant if -mvis.
+ * config/sparc/sparc.md (movtf): Likewise.
+ (clear_sf): Use const_double_operand.
+ (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
+
+ * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
+ * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
+ * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
+ routines, _Qp_* cannot be handled like that now.
+ (INIT_TARGET_OPTABS): Likewise.
+ * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
+ (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
+ sparc_emit_float_lib_cmp if ARCH64 and soft float.
+ (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
+ floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
+ divtf3, sqrttf3): New expanders.
+ (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
+ floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
+ addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
+ non-_hq patterns.
+
+ * configure.in (sparc64-*-linux*): Use posix threads if enabled.
+ * configure: Rebuilt.
+ * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
+ -mcpu is given and we're doing 64bit compiles.
+
+Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
+
+ * loop.h (struct induction): Add multi_insn_incr.
+ * loop.c (basic_induction_var): New multi_insn_incr argument.
+ Set it if we search back through previous insns for the biv.
+ (record_biv): New multi_insn_incr argument; fill in struct induction.
+ (strength_reduce): Discard an iv with multiple bivs, any of
+ which require multiple insns to increment.
+
+1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
+
+ * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
+ documentation.
+
+1999-12-06 David S. Miller <davem@redhat.com>
+
+ * combine.c (check_promoted_subreg): Do not conditionalize this upon
+ PROMOTE_FUNCTION_RETURN.
+
+Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
+
+ * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
+ and handle REG_UNUSED note on insn.
+
+ * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
+ inner_mask instead of mask.
+
+1999-12-06 Brendan Kehoe <brendan@cygnus.com>
+
+ * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
+ zero if there was an error.
+
+1999-12-06 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (return_losum_di): Fix typo in asm
+ output string.
+
+ * longlong.h: Fix clobbers in SPARC asm statements.
+
+ * config/sparc/sparc.c (input_operand): Allow HImode and QImode
+ valid sethi operations when TARGET_ARCH64.
+
+ * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
+ always use move_by_pieces to avoid infinite recursion.
+ (restore_fixed_argument_area): Likewise.
+
+ * combine.c (check_promoted_subreg, record_promoted_value): New
+ functions.
+ (combine_instructions): Use them to retain nonzero and sign bit
+ information after SUBREGs are eliminated by optimizations in
+ this pass if PROMOTE_FUNCTION_RETURN.
+
+ * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
+ .register declaration. Don't use variables with __ prefixes.
+
+Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * fold-const.c (optimize_bit_field_compare): Only use one mode
+ for both RHS and LHS in non-constant case.
+
+1999-12-06 Nathan Sidwell <nathan@acm.org>
+
+ * frame.c (start_fde_sort): Only allocate erratic array, if
+ linear one was allocated. Return allocated flag.
+ (fde_insert): Only insert, if there's a valid array.
+ (fde_end_sort): Split, sort and merge if linear and erratic
+ arrays exist, else just sort linear one.
+ (search_fdes): New function. Linear search through original fde
+ structure.
+ (frame_init): Permit multiple initializations. Cope with
+ memory shortages.
+ (find_fde): Fallback on linear search, if failed to sort array.
+ (__deregister_frame_info): Only free sorted array, if we
+ allocated it.
+
+1999-12-06 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
+
+1999-12-05 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
+
+1999-12-05 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (special_function_p): Declare.
+ * calls.c (special_function_p): Make it global. Don't take `name'
+ as a parameter. Fix typo in 1999-11-28 change.
+ (expand_cal): Adjust.
+
+1999-12-04 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
+ * tree.h (EXPR_WFL_FILENAME): Define in terms of
+ EXPR_WFL_FILENAME_NODE.
+ (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
+ the TREE_CHAIN.
+ * print-tree.c (print_note): Print TREE_PRIVATE and
+ TREE_PROTECTED.
+
+ * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
+ the original die cannot be found.
+
+ * varray.h (varray_head_tag): Add elements_used.
+ (VARRAY_PUSH): New macro.
+ (VARRAY_POP): Likewise.
+ (VARRAY_TOP): Likewise.
+ Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
+ types.
+ * varray.c (varray_init): Initialize elements_used.
+ * Makefile.in (BASIC_BLOCK_H): Add varray.h.
+ (INTEGRATE_H): New variable.
+ (integrate.o): Depend on INTEGRATE_H.
+ (unroll.o): Likewise.
+
+ * function.h (insert_block_after_note): Declare.
+ * function.c (insert_block_after_note): Split out from ...
+ (retrofit_block): ... here.
+
+ * stmt.c (expand_fixup): Fix typo in comment.
+
+Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
+ (optimize_reg_copy_1): Remove REG_N_REFS updating code.
+ (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
+ (regmove_optimize, fixup_match_1): Likewise.
+
+1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * flow.c (flow_loops_dump): Add missing argument when calling
+ flow_loop_nested_p.
+
+1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
+ Greg McGary <gkm@gnu.org>
+
+ * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
+ (init_attributes): Add A_NO_LIMIT_STACK.
+ (decl_attributes): Handle A_NO_LIMIT_STACK.
+ * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
+ * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
+ Handle stack bounds checking.
+ * flags.h (flag_stack_check): Use the word 'probe' rather than
+ 'check', because the flag doesn't actually cause any checking to
+ be done.
+ * function.c (expand_function_start): Set
+ current_function_limit_stack.
+ * function.h (struct function): Add limit_stack.
+ (current_function_limit_stack): Define.
+ * invoke.texi (Code Gen Options): Document new options.
+ * rtl.h: Declare stack_limit_rtx.
+ * toplev.c (stack_limit_rtx): New variable.
+ (decode_f_option): Handle new options -fstack-limit-register=REG,
+ -fstack-limit-symbol=IDENT, -fno-stack-limit.
+ (main): Add stack_limit_rtx as GC root.
+ * tree.h (DECL_NO_LIMIT_STACK): New macro.
+ (struct tree_decl): New member no_limit_stack.
+
+ * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
+ stack_limit_rtx.
+ * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
+ (conditional_trap+1): Get new mnemonic correct.
+ (conditional_trap+2): New pattern for DImode traps.
+
+ * config/m68k/m68k.c (output_function_prologue): Handle
+ stack_limit_rtx.
+ * config/m68k/m68k.md (trap): New insn.
+ (conditional_trap): New insn.
+ * md.texi (Standard Names): Document `trap' and
+ `conditional_trap'.
+ * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
+ so a cc0 setter doesn't get emitted at some random place in the
+ function.
+
+ * config/i960/i960.md (trap): New insn.
+ (conditional_trap): New expander.
+ (conditional_trap+1, conditional_trap+2): New insns for signed
+ and unsigned cases.
+ * config/i960/i960.c (i960_function_prologue): Use
+ STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
+
+Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
+ Geoffrey Keating <geoffk@cygnus.com>
+
+ * flags.h (warn_padded, warn_packed): Add global var decls.
+ * toplev.c (warn_padded, warn_packed): Add global var defns.
+ (W_options): Add warnings `-Wpacked' and `-Wpadded'.
+ * stor-layout.c (layout_record): Add local variable `type'
+ to hold often-used TREE_TYPE (field). Add local variable
+ `unpacked_align' to hold alignment that would be in force
+ if no `packed' attribute were present. Warn if `packed' attribute
+ is unnecessary, or even harmful. Warn when gcc inserts padding
+ to satisfy alignment requirements of members. Use NULL_TREE
+ when checking whether var_size is set.
+ * invoke.texi: Document new flags.
+
+1999-12-03 Nathan Sidwell <nathan@acm.org>
+
+ * frame.c (fde_split): Reimplement to avoid variable sized array.
+
+Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * combine.c (try_combine): Before fixing up LOG_LINKS for the
+ i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
+
+1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
+
+ * invoke.texi: Document the mips option -mno-crt0
+
+1999-12-02 Mike Karr <mkarr@mathworks.com>
+
+ * cccp.c (argdata): Added free_ptr member.
+ (macroexpand): Initialize free_ptr of each argument. When an
+ argument's buffers are freed, if the argument's free_ptr corresponds
+ to a buffer on the input stack, then return the free_ptr to that stack
+ frame, otherwise, free it.
+ (macarg): If an argument begins and ends on the same input stack level,
+ then transfer the free_ptr of that buffer to the argument in case
+ the stack is popped during the processing of a subsequent argument.
+
+1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * loop.c (note_reg_stored): New function.
+ (struct note_reg_stored_arg): New structure.
+ (try_copy_prop): Change to be more conservative; only replace within
+ one extended basic block and stop replacing if a store to the
+ replacement reg is seen.
+
+1999-12-02 Nick Clifton <nickc@cygnus.com>
+
+ * config/fp-bit.c: Initialise all fields of the NAN
+ constants.
+
+ * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
+ to HANDLE_PRAGMA.
+
+Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (extend?f?f2): Force the input into a register, not
+ the output.
+
+1999-12-01 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
+ regclass' sake.
+ (movdf_const_intreg_sp32): Likewise. Prefer the memory load
+ alternative because setting up 64bit constant is usually costly,
+ especially when reload is in progress or completed.
+ (movdf_const_intreg_sp64): Likewise.
+ (movdf_const_intreg split): Fix building up constants when
+ HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
+
+Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
+
+ * combine.c (if_then_else_cond): Use const_true_rtx instead of
+ const1_rtx for return values in EQ/NE comparison against (const_int 0)
+ case.
+
+ * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
+ (asm_file_start): Emit .am33 into assembly file when compiling for
+ the AM33.
+ (print_operand_address): Handle POST_INC addresses.
+ (can_use_return_insn, initial_offset): Check AM33 registers too.
+ (expand_prologue): Check & save AM33 registers too.
+ (expand_epilogue): Similarly.
+ (secondary_reload_class): Handle AM33 specific secondary reloads.
+ (output_tst): Emit efficient code for the AM33 too.
+ * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
+ (TARGET_SWITCHES): Add -mam33 switch.
+ (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
+ (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
+ (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
+ (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
+ (enum reg_class, REG_CLASS_NAMES): Likewise.
+ (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
+ (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
+ (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
+ (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
+ (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
+ (HAVE_POST_INCREMENT): Define.
+ (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
+ (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
+ * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
+ (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
+ (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
+ (zero_extend to SI from QI/HI): Likewise.
+ (sign_extend to SI from QI/HI): Likewise.
+ (mulsidi3, umulsidi3): New patterns for the AM33.
+ (tstsi with zero extension from QI/HI): Add AM33 variants.
+ (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
+ (return_internal_regs, store_movm): Handle new AM33 registers.
+ * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
+ (LIBGCC, INSTALL_LIBGCC): Likewise.
+ * invoke.texi: Document new flags.
+
+Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
+ (addsi3_carry): Likewise.
+ (sbbsi3_cc): Add "binary_operator_ok" to the condition.
+ (sbbsi3_carry): Likewise.
+ (mulsi3): Rewrite to expander, ensure that only one operand is memory.
+ (mulhi3): Likewise.
+ (test?i_1): Ensure that only one operand is memory.
+ (conditional move patterns): likewise.
+ (shift and rotate patterns): Rewrite to expander, add
+ "binary_operator_ok" to the condition.
+
+ * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
+ * i386.h (procesor_costs): Add movzbl_load field.
+ (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
+ non-Q registers, accept DImode registers anywhere.
+ (Q_CLASS_P): New.
+ (MEMORY_MOVE_COST): Calculate QImode moves correctly.
+ * i386.c (*_cost): Set value for movxbl_load field.
+
+ * (addsi): New add to lea splitter.
+ (ashlsi): Likewise.
+ (lea to add/shift peep2): New.
+
+1999-12-01 Mark Salter <msalter@cygnus.com>
+
+ * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
+ * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
+ * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
+
+Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
+
+ * i386.c (ix86_expand_move): Never add clobbers to move patterns.
+ * i386.md (movsi_xor): New.
+ (movsi_or): New.
+ (movsi_1, movhi_1, movqi_1): Remove.
+ (movsi_2): Rename to movsi_1.
+ (movhi_2): Rename to movhi_1.
+ (movqi_2): Rename to movqi_1.
+ (movdi_1): Remove; remove splitter.
+ (movdi_2): Rename to movdi_1.
+ (divmodsi4 splitter): Do not emit clobbers for move patterns.
+ (long move peep2): Do not create QI or HI mode mov0s
+ (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
+
+ * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
+ rewrite splitters.
+
+ * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
+ (abs?f2_if): Likewise.
+
+1999-11-30 Alex Samuel <samuel@codesourcery.com>
+
+ * ggc.h (ggc_test_and_set_mark): New macro.
+ (ggc_mark_rtx): Use ggc_test_and_set_mark.
+ (ggc_mark_tree): Likewise.
+ (ggc_mark_rtvec): Likewise.
+ * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
+
+1999-11-30 Jason Merrill <jason@casey.cygnus.com>
+
+ * dwarf2out.c (scope_die_for): Only handle types. Only search for
+ containing types.
+ (decl_scope_table): Just an array of trees now.
+ (push_decl_scope): Simplify.
+ (dwarf2out_init): Adjust.
+ (local_scope_p): New fn.
+ (gen_inlined_enumeration_type_die): Don't call scope_die_for.
+ (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
+ (gen_typedef_die): Likewise.
+ (gen_lexical_block_die): Don't call push/pop_decl_scope.
+ (gen_inlined_subroutine_die): Likewise.
+ (gen_abstract_function): Set current_function_decl temporarily.
+ (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
+ Handle block extern declarations. Don't call push/pop_decl_scope.
+ (gen_decl_die): Fix logic for block externs.
+
+1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * calls.c (special_function_p): Remove `realloc' and add `strdup'
+ to the list of functions which have attribute malloc by default.
+
+1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
+ integer constant does not match the traditional type, limit the
+ warnings to cases where the base of the type is ten.
+
+ * invoke.texi (-Wtraditional): Document it.
+
+Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
+ * rs6000.md: Only access a CONST_INT with INTVAL
+
+Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
+
+ * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
+ (compute_nearerout): Likewise.
+ * ggc-page.c (ggc_page_print_statistics): Explicitly cast
+ size_t to unsigned long for formatting.
+
+1999-11-30 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
+ Allow the user to override call-used/fixed state of %g2-5
+ registers from the command line (with the exception of %g4 for
+ embedded model).
+ (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
+ there is a higher chance of having a leaf function.
+ (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
+ for ARCH64 which has %ccr register.
+ * config/sparc/sparc.md (return_losum_si, return_losum_di): New
+ patterns.
+ * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
+ insn accept into delay slot any insn which does not use %[ol]
+ registers. Accept some LO_SUM and shift left by 1 for the normal
+ restore case.
+ (output_function_epilogue): Likewise.
+ (epilogue_renumber): Added argument which inhibits any renumbering
+ and just tests if the rtx does not use any %[ol] registers.
+ (output_return): Reflect above change.
+
+1999-11-30 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
+ aggregate passing for sizes <= 16 bytes.
+
+1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
+ * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
+ * reload.c (find_dummy_reload): Likewise.
+ (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
+ * reload1.c (reload_as_needed): Likewise.
+ * stupid.c (stupid_find_reg): Likewise.
+ * tm.texi (Obsolete Register Macros): Delete section.
+ * gmicro.h: Remove all traces of the two macros.
+ * i386.h: Likewise.
+ * m88k.h: Likewise.
+ * mips.h: Likewise.
+
+1999-11-30 Brendan Kehoe <brendan@cygnus.com>
+
+ * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
+ (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
+ (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
+ * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
+ units for the sparclite86x chip.
+ (flush): Revert October 14th change; add SImode specifically.
+ (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
+ * invoke.texi: Document it.
+
+Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
+
+ * config/mn10200/mn10200.h (PREDICATE_CODES): Add
+ psimode_truncation_operand.
+
+ * config/mn10200/mn10200.c (psimode_truncation_operand): New
+ function. Return true if the operand is either a MEM valid
+ for a PSImode address or not a MEM at all.
+
+ * config/mn10200/mn10200.md (truncsipsi2): Use
+ psimode_truncation_operand.
+
+1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
+ (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
+ (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
+ (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
+ (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
+ (flow_loop_level_compute, low_loops_level_compute): Likewise.
+ (flow_loops_find, flow_loop_outside_edge_p): Likewise.
+ * basic-block.h: Protect from multiple inclusion.
+ (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
+ (struct loops, struct loop): Define structures.
+ * sbitmap.c (sbitmap_a_subset_b_p): New function.
+ * sbitmap.h: Protect from multiple inclusion.
+ (sbitmap_a_subset_b_p): Add prototype.
+ * Makefile.in (LOOP_H): New macro.
+ (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
+
+Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
+
+ * cppinit.c (CAT): The argument list of this macro may not contain
+ spaces !
+
+1999-11-29 David S. Miller <davem@redhat.com>
+
+ Move quantity tables and register equivalence chains into
+ per-qty and per-register structure arrays respectively.
+ * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
+ qty_const_insn, qty_comparison_code, qty_comparison_const,
+ qty_comparison_qty): Delete, replace with...
+ (qty_table): this structure table.
+ (reg_next_eqv, reg_prev_eqv): Delete, replace with...
+ (reg_eqv_table): this structure table.
+ (make_new_qty): Add argument MODE. Caller updated.
+ Update to use qty_table and reg_eqv_table.
+ (make_regs_eqv, delete_reg_equiv, insert_regs,
+ insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
+ fold_rtx, equiv_constant, record_jump_cond, cse_insn,
+ cse_process_notes, cse_main, cse_basic_block): Likewise.
+
+Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
+ operation if C is negative.
+ (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
+ (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
+ law for some divisions if constant is negative and change other
+ divisions to the opposite rounding.
+
+ * expr.c (store_constructor_field): If bit position is not multiple
+ of alignment of TARGET's mode, use BLKmode.
+
+ * expr.c (expand_expr_unaligned): Add more code from full case
+ that is needed when OP0 is in a register.
+
+Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * dwarfout.c (field_byte_offset): Size can be zero if there was
+ an error.
+
+1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
+ (associate_trees): Delete unused var TEM.
+ (extract_muldiv): Delete unused var CANCEL_P.
+
+ * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
+ (target_isinf, target_isnan, target_negative): Add return types to
+ function definitions.
+
+1999-11-29 Bruce Korb <autogen@linuxbox.com>
+
+ * fixinc/fixincl.c(process): don't skip GLIBC files any more.
+ * fixinc/hackshell.tpl: ditto
+ * fixinc/fixtests.c(double_slash_test): more C++ header testing
+ * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
+
+1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * reload.c (push_reload): When looking for a register to put into
+ reg_rtx, make sure all hard regs in a multi-reg register are in the
+ right class and nonfixed.
+
+ * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
+ pending_read_insns, pending_write_insns, pending_read_mems,
+ pending_write_mems, pending_list_length, last_pending_memory_flush,
+ last_function_call, sched_before_next_call): Move static variables
+ into a structure.
+ (bb_ prefixed versions): Replace with single array bb_deps.
+ (struct deps): New structure.
+ (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
+ sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
+ argument of type "struct deps *"; use that instead of global
+ variables. All callers changed.
+ (init_rgn_data_dependencies): Delete function.
+ (init_rtx_vector): Delete function.
+ (init_deps): New function.
+
+ (free_pending_lists): Simplify, we always use the bb_deps array even
+ if only one basic block.
+ (compute_block_backward_dependences): Likewise.
+ (schedule_region): Likewise.
+
+ (propagate_deps): New function, broken out of
+ compute_block_backward_dependences.
+ (compute_block_backward_dependences): Use it.
+
+ * alpha.md: Delete useless patterns that tried to work around
+ register elimination problems.
+
+ * unroll.c (loop_iterations): Don't abort if iteration variable
+ was made by loop.
+
+ From Joern Rennecke:
+ * reload1.c (reloads_conflict): Reverse test comparing operand
+ numbers when testing for conflict between output/outaddr reloads.
+
+1999-11-29 David S. Miller <davem@redhat.com>
+
+ * config/sparc/sparc.c (init_cumulative_args): Fix type of third
+ arg.
+ * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
+
+1999-11-28 Robert Lipe <robertl@cygnus.com>
+
+ * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
+ table from .fini into .dtor.
+
+1999-11-28 Anthony Green <green@cygnus.com>
+
+ * tree.h (struct tree_decl): Add malloc_flag.
+ (DECL_IS_MALLOC): Define.
+ * c-common.c (attrs): Add A_MALLOC attribute.
+ (init_attributes): Add this attribute to the table.
+ (decl_attributes): Handle malloc attribute.
+ * calls.c (special_function_p): Check for the malloc attribute.
+ * extend.texi (Function Attributes): Document malloc attribute.
+
+Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (reload shift-add patterns): Remove.
+
+1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * reorg.c (dbr_schedule) Print more statistics. Corrected
+ problem when printing info when 3 delay slots are filled.
+
+1999-11-28 Jakub Jelinek <jakub@redhat.com>
+
+ * combine.c (setup_incoming_promotions): Pass an outgoing
+ regno to FUNCTION_ARG_REGNO_P which it expects.
+
+1999-11-28 Andreas Jaeger <aj@suse.de>
+
+ * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
+
+Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
+
+ * cccp.c (do_include): Avoid initialization of automatic variable.
+
+ * integrate.c (mark_stores): Function definition made void, to match
+ previous declaration.
+ * regclass.c (dump_regclass): Ditto.
+ * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
+
+Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
+ known to be multiple of divisor.
+
+ * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
+
+ * combine.c (try_combine): Add code to try to merge a set of a
+ two-word pseudo to a constant with a setting of one of those words
+ to a constant.
+
+ * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
+ (split_tree): Completely rework to make more general.
+ (make_range, fold): Call negate_expr.
+ (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
+ (fold, associate): Call new split_tree and associate_trees.
+ (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
+
+1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
+
+ * loop.c (try_copy_prop): Avoid GNU C extension.
+
1999-11-25 Mark Mitchell <mark@codesourcery.com>
- * except.c (init_eh_for_function): But still zero
- eh_return_context, eh_return_stack_adjust, and eh_return_handler.
+ * except.c (init_eh_for_function): Still zero eh_return_context,
+ eh_return_stack_adjust, and eh_return_handler.
* except.h (eh_status): Adjust documentation for x_protect_list.
(begin_protect_partials): New function.
directly by i386/freebsd.h.
* configure: Rebuilt.
- * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
+ * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
which is in the user's namespace.
- * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
- `i386' which is not in our namespace.
+ * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
+ `i386' which is not in our namespace.
Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
1999-11-22 Andrew Haley <aph@cygnus.com>
- * varasm.c (function_defined): Remove.
- (make_function_rtl): Don't set function_defined.
- (make_decl_rtl): Remove global register warning.
- * regclass.c (no_global_reg_vars): New variable.
- (globalize_reg): Warn if function has already been defined.
- (regclass_init): Set no_global_reg_vars.
+ * varasm.c (function_defined): Remove.
+ (make_function_rtl): Don't set function_defined.
+ (make_decl_rtl): Remove global register warning.
+ * regclass.c (no_global_reg_vars): New variable.
+ (globalize_reg): Warn if function has already been defined.
+ (regclass_init): Set no_global_reg_vars.
Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
- * i386.h (struct_processor_costs): New fileds int_load, int_store,
+ * i386.h (struct_processor_costs): New fields int_load, int_store,
fp_move, fp_load and fp_store
(REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
fp->int moves
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