1 1999-12-06 Jakub Jelinek <jakub@redhat.com>
3 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
6 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8 * fold-const.c (optimize_bit_field_compare): Only use one mode
9 for both RHS and LHS in non-constant case.
11 1999-12-06 Nathan Sidwell <nathan@acm.org>
13 * frame.c (start_fde_sort): Only allocate erratic array, if
14 linear one was allocated. Return allocated flag.
15 (fde_insert): Only insert, if there's a valid array.
16 (fde_end_sort): Split, sort and merge if linear and erratic
17 arrays exist, else just sort linear one.
18 (search_fdes): New function. Linear search through original fde
20 (frame_init): Permit multiple initializations. Cope with
22 (find_fde): Fallback on linear search, if failed to sort array.
23 (__deregister_frame_info): Only free sorted array, if we
26 1999-12-06 Jakub Jelinek <jakub@redhat.com>
28 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
30 1999-12-05 Jakub Jelinek <jakub@redhat.com>
32 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
34 1999-12-05 Mark Mitchell <mark@codesourcery.com>
36 * tree.h (special_function_p): Declare.
37 * calls.c (special_function_p): Make it global. Don't take `name'
38 as a parameter. Fix typo in 1999-11-28 change.
41 1999-12-04 Mark Mitchell <mark@codesourcery.com>
43 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
44 * tree.h (EXPR_WFL_FILENAME): Define in terms of
45 EXPR_WFL_FILENAME_NODE.
46 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
48 * print-tree.c (print_note): Print TREE_PRIVATE and
51 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
52 the original die cannot be found.
54 * varray.h (varray_head_tag): Add elements_used.
55 (VARRAY_PUSH): New macro.
56 (VARRAY_POP): Likewise.
57 (VARRAY_TOP): Likewise.
58 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
60 * varray.c (varray_init): Initialize elements_used.
61 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
62 (INTEGRATE_H): New variable.
63 (integrate.o): Depend on INTEGRATE_H.
66 * function.h (insert_block_after_note): Declare.
67 * function.c (insert_block_after_note): Split out from ...
68 (retrofit_block): ... here.
70 * stmt.c (expand_fixup): Fix typo in comment.
72 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
74 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
75 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
76 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
77 (regmove_optimize, fixup_match_1): Likewise.
79 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
81 * flow.c (flow_loops_dump): Add missing argument when calling
84 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
85 Greg McGary <gkm@gnu.org>
87 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
88 (init_attributes): Add A_NO_LIMIT_STACK.
89 (decl_attributes): Handle A_NO_LIMIT_STACK.
90 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
91 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
92 Handle stack bounds checking.
93 * flags.h (flag_stack_check): Use the word 'probe' rather than
94 'check', because the flag doesn't actually cause any checking to
96 * function.c (expand_function_start): Set
97 current_function_limit_stack.
98 * function.h (struct function): Add limit_stack.
99 (current_function_limit_stack): Define.
100 * invoke.texi (Code Gen Options): Document new options.
101 * rtl.h: Declare stack_limit_rtx.
102 * toplev.c (stack_limit_rtx): New variable.
103 (decode_f_option): Handle new options -fstack-limit-register=REG,
104 -fstack-limit-symbol=IDENT, -fno-stack-limit.
105 (main): Add stack_limit_rtx as GC root.
106 * tree.h (DECL_NO_LIMIT_STACK): New macro.
107 (struct tree_decl): New member no_limit_stack.
109 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
111 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
112 (conditional_trap+1): Get new mnemonic correct.
113 (conditional_trap+2): New pattern for DImode traps.
115 * config/m68k/m68k.c (output_function_prologue): Handle
117 * config/m68k/m68k.md (trap): New insn.
118 (conditional_trap): New insn.
119 * md.texi (Standard Names): Document `trap' and
121 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
122 so a cc0 setter doesn't get emitted at some random place in the
125 * config/i960/i960.md (trap): New insn.
126 (conditional_trap): New expander.
127 (conditional_trap+1, conditional_trap+2): New insns for signed
129 * config/i960/i960.c (i960_function_prologue): Use
130 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
132 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
133 Geoffrey Keating <geoffk@cygnus.com>
135 * flags.h (warn_padded, warn_packed): Add global var decls.
136 * toplev.c (warn_padded, warn_packed): Add global var defns.
137 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
138 * stor-layout.c (layout_record): Add local variable `type'
139 to hold often-used TREE_TYPE (field). Add local variable
140 `unpacked_align' to hold alignment that would be in force
141 if no `packed' attribute were present. Warn if `packed' attribute
142 is unnecessary, or even harmful. Warn when gcc inserts padding
143 to satisfy alignment requirements of members. Use NULL_TREE
144 when checking whether var_size is set.
145 * invoke.texi: Document new flags.
147 1999-12-03 Nathan Sidwell <nathan@acm.org>
149 * frame.c (fde_split): Reimplement to avoid variable sized array.
151 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
153 * combine.c (try_combine): Before fixing up LOG_LINKS for the
154 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
156 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
158 * invoke.texi: Document the mips option -mno-crt0
160 1999-12-02 Mike Karr <mkarr@mathworks.com>
162 * cccp.c (argdata): Added free_ptr member.
163 (macroexpand): Initialize free_ptr of each argument. When an
164 argument's buffers are freed, if the argument's free_ptr corresponds
165 to a buffer on the input stack, then return the free_ptr to that stack
166 frame, otherwise, free it.
167 (macarg): If an argument begins and ends on the same input stack level,
168 then transfer the free_ptr of that buffer to the argument in case
169 the stack is popped during the processing of a subsequent argument.
171 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
173 * loop.c (note_reg_stored): New function.
174 (struct note_reg_stored_arg): New structure.
175 (try_copy_prop): Change to be more conservative; only replace within
176 one extended basic block and stop replacing if a store to the
177 replacement reg is seen.
179 1999-12-02 Nick Clifton <nickc@cygnus.com>
181 * config/fp-bit.c: Initialise all fields of the NAN
184 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
187 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
189 * i386.md (extend?f?f2): Force the input into a register, not
192 1999-12-01 Jakub Jelinek <jakub@redhat.com>
194 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
196 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
197 alternative because setting up 64bit constant is usually costly,
198 especially when reload is in progress or completed.
199 (movdf_const_intreg_sp64): Likewise.
200 (movdf_const_intreg split): Fix building up constants when
201 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
203 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
205 * combine.c (if_then_else_cond): Use const_true_rtx instead of
206 const1_rtx for return values in EQ/NE comparison against (const_int 0)
209 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
210 (asm_file_start): Emit .am33 into assembly file when compiling for
212 (print_operand_address): Handle POST_INC addresses.
213 (can_use_return_insn, initial_offset): Check AM33 registers too.
214 (expand_prologue): Check & save AM33 registers too.
215 (expand_epilogue): Similarly.
216 (secondary_reload_class): Handle AM33 specific secondary reloads.
217 (output_tst): Emit efficient code for the AM33 too.
218 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
219 (TARGET_SWITCHES): Add -mam33 switch.
220 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
221 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
222 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
223 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
224 (enum reg_class, REG_CLASS_NAMES): Likewise.
225 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
226 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
227 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
228 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
229 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
230 (HAVE_POST_INCREMENT): Define.
231 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
232 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
233 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
234 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
235 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
236 (zero_extend to SI from QI/HI): Likewise.
237 (sign_extend to SI from QI/HI): Likewise.
238 (mulsidi3, umulsidi3): New patterns for the AM33.
239 (tstsi with zero extension from QI/HI): Add AM33 variants.
240 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
241 (return_internal_regs, store_movm): Handle new AM33 registers.
242 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
243 (LIBGCC, INSTALL_LIBGCC): Likewise.
244 * invoke.texi: Document new flags.
246 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
248 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
249 (addsi3_carry): Likewise.
250 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
251 (sbbsi3_carry): Likewise.
252 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
254 (test?i_1): Ensure that only one operand is memory.
255 (conditional move patterns): likewise.
256 (shift and rotate patterns): Rewrite to expander, add
257 "binary_operator_ok" to the condition.
259 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
260 * i386.h (procesor_costs): Add movzbl_load field.
261 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
262 non-Q registers, accept DImode registers anywhere.
264 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
265 * i386.c (*_cost): Set value for movxbl_load field.
267 * (addsi): New add to lea splitter.
269 (lea to add/shift peep2): New.
271 1999-12-01 Mark Salter <msalter@cygnus.com>
273 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
274 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
275 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
277 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
279 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
280 * i386.md (movsi_xor): New.
282 (movsi_1, movhi_1, movqi_1): Remove.
283 (movsi_2): Rename to movsi_1.
284 (movhi_2): Rename to movhi_1.
285 (movqi_2): Rename to movqi_1.
286 (movdi_1): Remove; remove splitter.
287 (movdi_2): Rename to movdi_1.
288 (divmodsi4 splitter): Do not emit clobbers for move patterns.
289 (long move peep2): Do not create QI or HI mode mov0s
290 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
292 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
295 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
296 (abs?f2_if): Likewise.
298 1999-11-30 Alex Samuel <samuel@codesourcery.com>
300 * ggc.h (ggc_test_and_set_mark): New macro.
301 (ggc_mark_rtx): Use ggc_test_and_set_mark.
302 (ggc_mark_tree): Likewise.
303 (ggc_mark_rtvec): Likewise.
304 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
306 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
308 * dwarf2out.c (scope_die_for): Only handle types. Only search for
310 (decl_scope_table): Just an array of trees now.
311 (push_decl_scope): Simplify.
312 (dwarf2out_init): Adjust.
313 (local_scope_p): New fn.
314 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
315 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
316 (gen_typedef_die): Likewise.
317 (gen_lexical_block_die): Don't call push/pop_decl_scope.
318 (gen_inlined_subroutine_die): Likewise.
319 (gen_abstract_function): Set current_function_decl temporarily.
320 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
321 Handle block extern declarations. Don't call push/pop_decl_scope.
322 (gen_decl_die): Fix logic for block externs.
324 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
326 * calls.c (special_function_p): Remove `realloc' and add `strdup'
327 to the list of functions which have attribute malloc by default.
329 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
331 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
332 integer constant does not match the traditional type, limit the
333 warnings to cases where the base of the type is ten.
335 * invoke.texi (-Wtraditional): Document it.
337 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
339 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
340 * rs6000.md: Only access a CONST_INT with INTVAL
342 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
344 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
345 (compute_nearerout): Likewise.
346 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
347 size_t to unsigned long for formatting.
349 1999-11-30 Jakub Jelinek <jakub@redhat.com>
351 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
352 Allow the user to override call-used/fixed state of %g2-5
353 registers from the command line (with the exception of %g4 for
355 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
356 there is a higher chance of having a leaf function.
357 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
358 for ARCH64 which has %ccr register.
359 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
361 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
362 insn accept into delay slot any insn which does not use %[ol]
363 registers. Accept some LO_SUM and shift left by 1 for the normal
365 (output_function_epilogue): Likewise.
366 (epilogue_renumber): Added argument which inhibits any renumbering
367 and just tests if the rtx does not use any %[ol] registers.
368 (output_return): Reflect above change.
370 1999-11-30 Jakub Jelinek <jakub@redhat.com>
372 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
373 aggregate passing for sizes <= 16 bytes.
375 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
377 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
378 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
379 * reload.c (find_dummy_reload): Likewise.
380 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
381 * reload1.c (reload_as_needed): Likewise.
382 * stupid.c (stupid_find_reg): Likewise.
383 * tm.texi (Obsolete Register Macros): Delete section.
384 * gmicro.h: Remove all traces of the two macros.
389 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
391 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
392 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
393 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
394 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
395 units for the sparclite86x chip.
396 (flush): Revert October 14th change; add SImode specifically.
397 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
398 * invoke.texi: Document it.
400 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
402 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
403 psimode_truncation_operand.
405 * config/mn10200/mn10200.c (psimode_truncation_operand): New
406 function. Return true if the operand is either a MEM valid
407 for a PSImode address or not a MEM at all.
409 * config/mn10200/mn10200.md (truncsipsi2): Use
410 psimode_truncation_operand.
412 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
414 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
415 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
416 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
417 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
418 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
419 (flow_loop_level_compute, low_loops_level_compute): Likewise.
420 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
421 * basic-block.h: Protect from multiple inclusion.
422 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
423 (struct loops, struct loop): Define structures.
424 * sbitmap.c (sbitmap_a_subset_b_p): New function.
425 * sbitmap.h: Protect from multiple inclusion.
426 (sbitmap_a_subset_b_p): Add prototype.
427 * Makefile.in (LOOP_H): New macro.
428 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
430 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
432 * cppinit.c (CAT): The argument list of this macro may not contain
435 1999-11-29 David S. Miller <davem@redhat.com>
437 Move quantity tables and register equivalence chains into
438 per-qty and per-register structure arrays respectively.
439 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
440 qty_const_insn, qty_comparison_code, qty_comparison_const,
441 qty_comparison_qty): Delete, replace with...
442 (qty_table): this structure table.
443 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
444 (reg_eqv_table): this structure table.
445 (make_new_qty): Add argument MODE. Caller updated.
446 Update to use qty_table and reg_eqv_table.
447 (make_regs_eqv, delete_reg_equiv, insert_regs,
448 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
449 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
450 cse_process_notes, cse_main, cse_basic_block): Likewise.
452 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
454 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
455 operation if C is negative.
456 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
457 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
458 law for some divisions if constant is negative and change other
459 divisions to the opposite rounding.
461 * expr.c (store_constructor_field): If bit position is not multiple
462 of alignment of TARGET's mode, use BLKmode.
464 * expr.c (expand_expr_unaligned): Add more code from full case
465 that is needed when OP0 is in a register.
467 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
469 * dwarfout.c (field_byte_offset): Size can be zero if there was
472 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
474 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
475 (associate_trees): Delete unused var TEM.
476 (extract_muldiv): Delete unused var CANCEL_P.
478 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
479 (target_isinf, target_isnan, target_negative): Add return types to
480 function definitions.
482 1999-11-29 Bruce Korb <autogen@linuxbox.com>
484 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
485 * fixinc/hackshell.tpl: ditto
486 * fixinc/fixtests.c(double_slash_test): more C++ header testing
487 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
489 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
491 * reload.c (push_reload): When looking for a register to put into
492 reg_rtx, make sure all hard regs in a multi-reg register are in the
493 right class and nonfixed.
495 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
496 pending_read_insns, pending_write_insns, pending_read_mems,
497 pending_write_mems, pending_list_length, last_pending_memory_flush,
498 last_function_call, sched_before_next_call): Move static variables
500 (bb_ prefixed versions): Replace with single array bb_deps.
501 (struct deps): New structure.
502 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
503 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
504 argument of type "struct deps *"; use that instead of global
505 variables. All callers changed.
506 (init_rgn_data_dependencies): Delete function.
507 (init_rtx_vector): Delete function.
508 (init_deps): New function.
510 (free_pending_lists): Simplify, we always use the bb_deps array even
511 if only one basic block.
512 (compute_block_backward_dependences): Likewise.
513 (schedule_region): Likewise.
515 (propagate_deps): New function, broken out of
516 compute_block_backward_dependences.
517 (compute_block_backward_dependences): Use it.
519 * alpha.md: Delete useless patterns that tried to work around
520 register elimination problems.
522 * unroll.c (loop_iterations): Don't abort if iteration variable
526 * reload1.c (reloads_conflict): Reverse test comparing operand
527 numbers when testing for conflict between output/outaddr reloads.
529 1999-11-29 David S. Miller <davem@redhat.com>
531 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
533 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
535 1999-11-28 Robert Lipe <robertl@cygnus.com>
537 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
538 table from .fini into .dtor.
540 1999-11-28 Anthony Green <green@cygnus.com>
542 * tree.h (struct tree_decl): Add malloc_flag.
543 (DECL_IS_MALLOC): Define.
544 * c-common.c (attrs): Add A_MALLOC attribute.
545 (init_attributes): Add this attribute to the table.
546 (decl_attributes): Handle malloc attribute.
547 * calls.c (special_function_p): Check for the malloc attribute.
548 * extend.texi (Function Attributes): Document malloc attribute.
550 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
552 * pa.md (reload shift-add patterns): Remove.
554 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
556 * reorg.c (dbr_schedule) Print more statistics. Corrected
557 problem when printing info when 3 delay slots are filled.
559 1999-11-28 Jakub Jelinek <jakub@redhat.com>
561 * combine.c (setup_incoming_promotions): Pass an outgoing
562 regno to FUNCTION_ARG_REGNO_P which it expects.
564 1999-11-28 Andreas Jaeger <aj@suse.de>
566 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
568 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
570 * cccp.c (do_include): Avoid initialization of automatic variable.
572 * integrate.c (mark_stores): Function definition made void, to match
573 previous declaration.
574 * regclass.c (dump_regclass): Ditto.
575 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
577 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
579 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
580 known to be multiple of divisor.
582 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
584 * combine.c (try_combine): Add code to try to merge a set of a
585 two-word pseudo to a constant with a setting of one of those words
588 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
589 (split_tree): Completely rework to make more general.
590 (make_range, fold): Call negate_expr.
591 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
592 (fold, associate): Call new split_tree and associate_trees.
593 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
595 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
597 * loop.c (try_copy_prop): Avoid GNU C extension.
599 1999-11-25 Mark Mitchell <mark@codesourcery.com>
601 * except.c (init_eh_for_function): Still zero eh_return_context,
602 eh_return_stack_adjust, and eh_return_handler.
604 * except.h (eh_status): Adjust documentation for x_protect_list.
605 (begin_protect_partials): New function.
606 * except.c (enqueue_eh_entry): Fix formatting.
607 (get_first_handler): Add consistency check.
608 (add_partial_entry): Adjust usage of protect_list.
609 (emit_cleanup_handler): Save and restore ehqueue.
610 (expand_start_all_catch): Add comment.
611 (begin_protect_partials): New function.
612 (end_protect_partials): Adjust usage of protect_list.
613 (init_eh_for_function): Use xcalloc.
615 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
617 * c-common.c (check_format_info): Don't call a variadic function
618 with a non-literal format string.
620 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
622 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
623 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
626 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
629 * collect2.c (collect_wait): Likewise.
631 * dbxout.c (dbxout_type): Likewise.
633 * gcc.c (do_spec_1): Likewise.
635 * genemit.c (gen_insn, gen_expand): Likewise.
637 * genrecog.c (write_switch, write_subroutine): Likewise.
639 * mips-tfile.c (catch_signal, botch): Likewise.
641 * print-rtl.c (print_rtx): Likewise.
643 * toplev.c (default_print_error_function, report_error_function,
644 _fatal_insn): Likewise.
646 1999-11-25 Mark Mitchell <mark@codesourcery.com>
648 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
650 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
652 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
653 operations when needed.
654 * i386.md (fop_?f_comm): New.
655 (fop_?f_1): Do not accept commutative operands.
657 1999-11-25 Andreas Jaeger <aj@suse.de>
659 * config/mips/mips.md (casesi_internal): Add missing brace.
661 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
663 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
664 (splice_child_die): Handle moving a child DIE from the declaration
665 DIE of a class to its specification.
666 (gen_struct_or_union_type_die): Use 'complete' consistently.
667 (gen_decl_die): Generate the virtual context DIE first.
668 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
670 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
672 * config/mips/mips.md (call_value_multiple_interanal1): New.
674 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
676 * dwarf2out.c (free_AT, free_die): New fns.
677 (remove_children): Call them.
678 (output_line_info): Disable removal of duplicate notes.
680 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
681 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
682 means pretend the type isn't defined.
683 Don't defer emitting types.
684 (gen_type_die_for_member): New fn.
685 (gen_decl_die): Call it.
686 (splice_child_die): New fn.
687 (gen_member_die): Call it rather than generate duplicate dies.
689 Defer emitting information for the abstract instance of an inline
690 until we either inline it or emit an out-of-line copy.
691 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
692 from output_inline_function if DECL_ABSTRACT is also set.
693 (block_ultimate_origin): Likewise.
694 (gen_abstract_function): New fn.
695 (gen_decl_die, gen_inlined_subroutine_die): Call it.
696 (gen_subprogram_die): An abstract instance is not a declaration
697 just because it doesn't match current_function_decl. Don't abort
698 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
699 has an abstract origin.
700 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
701 abstract instance here.
703 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
705 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
706 where we need to reload fpul from a system register.
708 1999-11-24 Andreas Jaeger <aj@suse.de>
710 * config/mips/linux.h (CPP_PREDEFINES): Added.
711 (LINK_SPEC): Remove -Y since this is only needed on sparc.
713 1999-11-24 Andreas Jaeger <aj@suse.de>
715 * config/mips/linux.h (TARGET_VERSION): Added.
716 (HANDLE_SYSV_PRAGMA): Added.
717 (DEFAULT_VTABLE_THUNKS): Added.
719 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
721 * local-alloc.c (qty): New structure and static variable.
722 (qty_phys_reg): Remove, all references changed to qty.
723 (qty_n_refs): Likewise.
724 (qty_min_class): Likewise.
725 (qty_birth): Likewise.
726 (qty_death): Likewise.
727 (qty_size): Likewise.
728 (qty_mode): Likewise.
729 (qty_n_calls_crossed): Likewise.
730 (qty_alternate_class): Likewise.
731 (qty_changes_size): Likewise.
732 (qty_first_reg): Likewise.
733 (alloc_qty): Rename variable QTY to QTYNO.
734 (finf_free_reg): Likewise.
735 (local_alloc): Allocate qty, do not allocate the removed variables.
737 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
739 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
740 when -membedded-pic is passed.
742 * config/mips/mips.md (casesi): Handle 64-bit case too.
743 (casesi_internal_di): New insn.
745 * config/mips/mips.c (embedded_pic_offset): Always make the
746 embedded-pic subtractions relative to the name of the current
747 function by use of the magic string "..CURRENT_FUNCTION".
748 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
750 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
752 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
753 of (const_int 0), when what we really care about is
754 whether it's a zero constant anyway.
755 (div_trap_mips16): Likewise.
757 1999-11-23 Mark Mitchell <mark@codesourcery.com>
759 * loop.c (loop_optimize): Always find_loop_tree_blocks and
760 unroll_block_trees when generating debuggable code.
762 * tree.h (unsave_expr_1): New function.
763 (lang_unsave): New variable.
764 (get_callee_fndecl): New function.
765 * tree.c (unsave_expr_now_r): New function.
766 (lang_unsave): Define.
767 (unsave_expr_1): Likewise.
768 (unsave_expr_now_r): Split out from unsave_expr_now.
769 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
770 call unsave_expr_now_r.
771 (get_callee_fndecl): Define.
773 * Makefile.in (gencheck): Don't depend on lang_tree_files.
774 (gencheck.o): Do depend on lang_tree_files.
776 * integrate.h (copy_decl_for_inlining): New declaration.
777 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
778 (copy_decl_for_inlining): New function.
779 (integrate_parm_decls): Use it.
780 (integrate_decl_tree): Likewise.
782 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
784 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
785 the second two from the first.
786 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
787 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
788 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
790 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
791 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
794 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
796 * pa.md (call_internal_symref, call_value_internal_symref): No mode
797 needed on the address operand.
798 * pa.c (call_operand_address): Check for the correct mode.
800 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
802 * loop.c: Include "basic-block.h".
803 (try_copy_prop, replace_loop_reg): New functions.
804 (load_mems): Detect registers that just hold copies of the hoisted
805 mem, and call try_copy_prop to eliminate them.
806 * Makefile.in (loop.o): Update dependencies.
808 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
810 * Makefile.in (gencheck.o): Depend on gencheck.h.
811 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
812 (insn-peep.o): Depend on except.h and function.h.
813 (insn-attrtab.o): Depend on RECOG_H.
814 (insn-output.o): Depend on toplev.h and flags.h.
815 (gengenrtl.o): Depend on real.h.
816 (gen-protos.o): Depend on cpplib.h and cpphash.h.
817 Unify all dependencies to be on RECOG_H rather than recog.h.
819 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
821 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
822 * configure.in: Try building a bi-arch 32/64-bit compiler on
823 sparc-*-solaris2.7 and higher.
824 * configure: Rebuild.
826 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
828 * config/freebsd.h: New, FreeBSD architecture independent file.
829 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
831 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
832 directly by i386/freebsd.h.
833 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
834 independent configuration file.
835 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
836 directly by i386/freebsd.h.
837 * configure: Rebuilt.
839 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
840 which is in the user's namespace.
841 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
842 `i386' which is not in our namespace.
844 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
846 * invoke.texi (ARM Options): Add in -mno-alignment-traps
848 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
850 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
851 (add_dwarf_attr, add_child_die): Just push onto the front.
852 (reverse_die_lists): New fn.
853 (add_sibling_attributes): Use it.
854 (push_decl_scope): Reorganize.
855 (add_name_and_src_coords_attributes): Don't set file and line for
857 (gen_subprogram_die): An artificial function doesn't need to match
859 (gen_compile_unit_die): Return the generated die. Only add
860 AT_comp_dir if the filename is relative.
861 (remove_AT): Simplify loop. Also free string values.
862 (output_die): A DIE ref can't be null.
863 (output_value_format, value_format): Take a dw_attr_ref.
864 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
865 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
866 AT_addr, AT_lbl): New fns.
870 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
872 * combine.c (combine_simplify_rtx): When handling a SUBREG,
873 take SUBREG_WORD into account.
874 (if_then_else_cond): Likewise.
876 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
878 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
879 clause from BSD license, pursuant with
881 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
883 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
885 * loop.c (load_mems): Reformat slightly.
886 * basic-block.h (regset_head): New typedef.
887 (INIT_REG_SET): New macro.
889 1999-11-22 Bruce Korb <autogen@linuxbox.com
891 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
892 (mips-dec-bsd*): non-functional code
893 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
895 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
896 added three replacement fixes
897 (no_double_slash): removed comments that are not (any longer) pertinent
898 (bad_lval): this fix currently runs against many files.
899 The comment seems to indicate that we should select for files
900 containing 'pragma extern_prefix'.
902 * fixinc/fixinc.x86-linux-gnu: deleted
903 * fixinc/inclhack.sh: regen
904 * fixinc/fixincl.x: regen
905 * fixinc/fixincl.sh: regen
907 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
909 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
910 its code is INSN and it has no notes.
912 1999-11-22 Andrew Haley <aph@cygnus.com>
914 * varasm.c (function_defined): Remove.
915 (make_function_rtl): Don't set function_defined.
916 (make_decl_rtl): Remove global register warning.
917 * regclass.c (no_global_reg_vars): New variable.
918 (globalize_reg): Warn if function has already been defined.
919 (regclass_init): Set no_global_reg_vars.
921 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
923 * regclass.c (reg_pref): New structure and static variable
926 (all uses of prefclass and altclass): Use reg_pref instead.
928 1999-11-21 Nick Clifton <nickc@cygnus.com>
930 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
932 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
933 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
934 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
936 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
938 * varasm.c (output_constructor): Solve problem with long long
939 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
941 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
943 * global.c (allocno): New structure and static variable.
944 (allocno_reg): Remove, all references replaced by allocno.
945 (allocno_size): Likewise.
946 (hard_reg_conflicts): Likewise.
947 (hard_reg_preferences): Likewise.
948 (hard_reg_copy_preferences): Likewise.
949 (hard_reg_full_preferences): Likewise.
950 (regs_someone_prefers): Likewise.
951 (allocno_calls_crossed): Likewise.
952 (allocno_n_refs): Likewise.
953 (allocno_live_length): Likewise.
954 (find_reg): Rename ALLOCNO to NUM.
956 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
958 (may_move_out_cost): New variable.
959 (init_reg_sets_1): Initialize may_move_out_cost.
960 (record_reg_classes): Use may_move_out_cost.
962 * regclass.c (dump_regclass): New function.
963 (regclass): New parameter DUMP, call DUMP_REGCLASS.
964 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
965 pass rtl_dump_file to regclass.
966 * rtl.h (regclass): Update prototype.
968 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
970 * i386.md (neg, not and abs patterns): Revmap to use
971 ix86_expand_unary_operator and ix86_unary_operator_ok.
972 (add?f and sub?f expanders): Force operand 1 to register.
973 * i386.c (ix86_expand_unary_operator): Rewrite.
974 (ix86_unary_operator_ok): Ensure that memory operands
976 (ix86_binary_operator_ok): Do not allow operand 1 to
977 come into memory and operand 0 not.
978 (ix86_expand_binary_operator): Ensure that
979 src1 is not non-matching memory.
981 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
982 to support integer registers and memory.
983 (abss?2_integer): Likewise.
985 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
986 (REG_CLASS_NAMES): Likewise.
987 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
989 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
990 (movsf): Likewise; unify 4th and 5th alternative.
992 (movdf_1): Likewise; rename to movdf_integer.
993 (pushxf): Likewise; rename to pushxf_integer; fix output template;
994 remove redundant splitter.
995 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
996 (movdf_nointeger): New.
997 (movxf_nointeger): New.
998 (pushxf_nointeger): New.
1000 * i386.md (extend?f?f): Split to expander and pattern, refuse two
1001 memory operands in patterns.
1002 (fop*): Refuse two memory operands.
1004 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
1005 on !TARGET_USE_CLTD CPUs.
1007 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
1009 * extend.texi: Document C++ restricted pointers and references.
1011 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
1013 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
1014 (invalidate_skipped_set): Call it unconditionally.
1015 (cse_set_around_loop): Likewise.
1017 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1019 * rtl.texi (mem): Add documentation for alias-set argument
1022 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1024 * i386.h (struct_processor_costs): New fields int_load, int_store,
1025 fp_move, fp_load and fp_store
1026 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
1028 (MEMORY_MOVE_COST): New macro.
1029 * i386.c (386_cost): Define new fields.
1030 (i486_cost): Likewise.
1031 (pentium_cost): Likewise.
1032 (pentiumpro_cost): Likewise.
1033 (k6_cost): Likewise.
1035 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
1036 Geoffrey Keating <geoffk@cygnus.com>
1038 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
1040 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
1043 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
1044 (TARGET_STRICT_ALIGNMENT): New macro.
1045 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
1046 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
1047 * invoke.texi (M680x0 Options): Document -mstrict-align.
1049 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
1050 Richard Henderson <rth@cygnus.com>
1052 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
1053 (ix86_split_long_move): Declare.
1054 * i386.c (split_xf, ix86_split_movdi): Remove.
1055 (ix86_split_to_parts, ix86_split_long_move): New.
1056 * i386.md (dimode move splitters): Use ix86_split_long_move.
1057 (dfmode move splitters): Likewise.
1058 (xfmode move splitters): Likewise.
1059 (movsf_1): Allow F->r.
1060 (movdf_1, movxf_1): Allow F->ro.
1062 1999-11-17 Mark Mitchell <mark@codesourcery.com>
1064 * except.h (struct eh_entry): Add goto_entry_p.
1065 (eh_region_from_symbol): Remove prototype.
1066 * except.c (find_func_region_from_symbol): New function.
1067 (emit_cleanup_handler): Likewise.
1068 (eh_region_from_symbol): Make it static.
1069 (add_new_handler): Verify the argument.
1070 (find_func_region): Update comment.
1071 (expand_eh_region_end): Expand handlers here, rater than waiting
1072 until expand_leftover_cleanups or start_all_catch.
1073 (expand_leftover_cleanups): Don't expand here.
1074 (expand_start_all_catch): Or here.
1075 (expand_rethrow): Check the return value from find_func_region.
1076 * function.c (expand_function_end): Emit the catch_clauses.
1078 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
1080 * integrate.c (expand_inline_function): Add necessary check for NULL.
1082 1999-11-18 Nick Clifton <nickc@cygnus.com>
1084 * toplev.c (main): Correctly detect an unrecognised option.
1086 * cppinit.c (cpp_handle_option): Do not claim to have consumed
1087 a -f option if it has not been recognised.
1089 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
1091 * basic-block.h (update_life_extent): Remove trailing comma on
1092 enumeration type list.
1094 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1096 * varasm.c (output_constructor) Solved problem with long long
1097 bitfields. Corrected calculating this_time and shift. Also
1098 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
1100 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
1102 * flow.c (split_edge): Take looping structure into account when
1103 determining where to put the new block note.
1105 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
1107 * Makefile.in (ggc-none.o): Provide host specific version if
1110 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
1112 * cse.c (delete_trivially_dead_insns): Identify no-op insns
1113 containing subregs too.
1115 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1117 * invoke.texi: Add documentation for -muninit-const-in-rodata.
1118 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
1119 (TARGET_UNINIT_CONST_IN_RODATA): Define.
1120 (text_section): Add switches -munint-const-in-rodata and
1121 -mno-uninit-const-in-rodata.
1122 (ASM_OUTPUT_COMMON): Remove.
1123 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
1124 const objects should be placed in read-only data. Otherwise declare
1127 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
1129 * jump.c (jump_optimize_1): Revert last change.
1131 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
1133 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
1134 test if optimizing for size.
1136 1999-11-17 Mark Mitchell <mark@codesourcery.com>
1138 * Makefile.in (toplev.o): Depend on except.h.
1139 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
1141 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1143 * i386.md (divmodsi4): Rewrite to expander.
1144 (*divmodsi4_nocltd): New.
1145 (*divmodsi4_cltd): New.
1146 (divmodsi4 splitter): Handle the case when input comes in edx.
1147 (udivmodhi4): Do not use constraints in exander.
1148 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
1150 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
1152 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
1153 for the common case.
1155 1999-11-16 Jakub Jelinek <jakub@redhat.com>
1157 * explow.c (hard_function_value): Add outgoing argument.
1158 * expr.h (hard_function_value): Declare it.
1159 * calls.c (expand_call, emit_library_call_value): Update callers.
1160 * function.c (aggregate_value_p): Ditto.
1161 (diddle_return_value): Must look at the outgoing registers
1162 on archs with register windows.
1164 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
1166 * alpha.c (alpha_build_va_list): Use make_lang_type and
1167 initialize TYPE_NAME for the va_list record.
1169 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
1171 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
1173 * ggc.h (struct ggc_statistics): Rearrange elements for better
1174 packing on 64-bit hosts.
1175 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
1176 (compute_nearerout): Likewise.
1178 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
1180 * config/rs6000/rs6000.c (first_reg_to_save): Save
1181 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
1183 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
1185 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
1186 notion of nesting to find the DIE for a type or function.
1187 DIEs can go in limbo even if we got a context_die.
1188 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
1189 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
1191 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
1192 (gen_type_die): Writing out the context doesn't cause member class
1193 template instantiations to be written out as well.
1195 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
1197 * rs6000.h (ASM_OUTPUT_DEF): New.
1198 Based on proposed addition from David Edelsohn.
1200 1999-11-15 Robert Lipe <RobertLipe@usa.net>
1201 Bruce Korb <autogen@linuxbox.com>
1203 * fixinc/inclhack.def
1204 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
1205 (unixware7_byteorder_fix): added. Removes conflicts for new defs
1207 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
1208 (svr4_endian): enabled with SVR5
1209 (svr4_mkdev): simplified syntax and enabled with SVR5
1211 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
1213 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
1214 * configure: Rebuilt.
1215 * config/t-freebsd-thread: New file.
1217 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
1219 * i386.c (ix86_decompose_address): Verify the base is a REG
1220 before trying to examine its register number.
1222 * basic-block.h: Remove all #defines and prototypes related to
1224 (free_bb_mem, compute_preds_succs): Remove prototype.
1225 * rtl.h (free_bb_mem): Remove prototype.
1226 * flow.c (alloc_int_list_node); Remove function.
1227 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
1228 (compute_preds_succs, free_bb_mem): Likewise.
1229 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
1230 * toplev.c (rest_of_compilation): Likewise.
1231 * haifa-sched.c (build_control_flow): Use flow generated edge
1232 list to build the haifa specific edge list.
1233 (find_rgns): Use new CFG data structures instead of pred/succ lists.
1234 (schedule_insns): Do not build pred/succ lists anymore. Instead
1235 build the edge table.
1237 * basic-block.h (dump_bb_data): Remove declaration.
1238 * flow.c (dump_bb_data): Remove function.
1239 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
1240 (sbitmap_union_of_predsucc): Likewise.
1242 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
1243 argument. All callers changed.
1244 (delete_null_pointer_checks_1): No longer need to compute the
1247 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
1248 All callers changed.
1249 (pre_expr_reaches_here_p_work): Likewise.
1250 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
1251 * lcm.c (compute_laterin): Fix initialization of LATER.
1252 (compute_nearerout): Similarly for NEARER.
1254 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1256 * cse.c (set_nonvarying_address_components): Delete unused function.
1257 (refers_to_p): Likewise.
1259 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
1261 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
1264 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1266 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
1267 definition in do while (0).
1269 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
1271 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
1273 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
1275 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
1277 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
1279 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
1280 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
1281 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
1282 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
1284 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
1285 saved on the stack. Output more accurate stack frame statistics
1286 into assembler file.
1288 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
1290 * genextract.c (record_insn_name): New function.
1291 (get_insn_name): No longer a stub.
1292 (main): Call record_insn_name for each insn. After each label
1293 written, print the insn name in a comment.
1295 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1297 * output.h (const_section, init_section, fini_section): Add
1300 * alpha/elf.h (const_section): Delete declaration.
1302 * svr4.h (const_section): Likewise.
1304 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
1306 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
1307 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
1308 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
1310 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
1311 variable-sized array bounds.
1313 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
1315 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
1318 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1320 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
1321 addresses the same way GO_IF_LEGITIMATE_INDEX does.
1323 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1325 * cse.c (hash_arg_in_struct): Delete.
1326 (struct table_elt): Delete elt in_struct.
1327 (struct set): Delete elt src_in_struct.
1328 (merge_equiv_classes): Don't set either hash_arg_in_struct or
1329 the corresponding in_struct elts.
1330 (canon_hash): Likewise.
1331 (safe_hash): Likewise.
1332 (find_best_addr): Likewise.
1333 (record_jump_cond): Likewise.
1334 (cse_insn): Likewise.
1336 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
1338 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
1340 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
1343 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
1345 * function.c (diddle_return_value): Put back check that the DECL_RTL
1346 for the function is a register.
1348 * function.c (diddle_return_value): Use hard_function_value to
1349 get an rtx suitable for use in the USE/CLOBBER insn.
1351 * global.c (global_conflicts): Update comments.
1352 (record_conflicts): No need to record conflicts between pseudos here.
1354 1999-11-11 Bruce Korb <autogen@linuxbox.com>
1356 * fixinc/fixincl.c: Added verbose levels for status messages
1358 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1360 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
1361 operand as argument to expand_and or expand_binop.
1363 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
1365 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
1366 gcc_add_string_root.
1368 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
1370 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
1372 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
1374 * flow.c (compute_flow_dominators): Initially put all blocks on
1376 * lcm.c (compute_antinout_edge, compute_available): Similarly.
1377 * gcse.c (compute_cprop_avinout): Remove.
1378 (compute_cprop_data): Use compute_available.
1379 (delete_null_pointer_checks_1): Use compute_available.
1381 * basic-block.h (compute_available): Returns a void now.
1382 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
1383 to return a value anymore.
1384 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
1385 worklists. Fix boundary cases. Compute maximal solutions.
1386 (compute_laterin, compute_nearerout): Similarly.
1388 * dwarf2out.c (add_AT_location_description): Allow
1389 (mem (plus (pseudo) (...)) too.
1391 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
1393 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
1395 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
1396 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1398 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
1400 * gansidecl.h: Likewise.
1406 * toplev.h: Likewise.
1412 * varray.c: Likewise.
1414 * varray.h: Likewise.
1416 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
1418 * gcov.c (struct arcdata): Add hits and total, remove prob.
1419 (output_branch_counts): New.
1420 (process_args): Set output_branch_counts if -c.
1421 (calculate_branch_probs): Store hits and total instead of
1423 (output_data): Emit counts if output_branch_counts is true.
1424 * gcov.texi (Invoking Gcov): Document -c switch..
1426 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
1428 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
1429 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
1431 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
1433 * invoke.texi (C Dialect Options): Add missing builtins from
1435 * extend.texi (Other Builtins): Copy to this list.
1437 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1439 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
1440 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
1443 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
1445 * flow.c (compute_flow_dominators): No longer treat basic block 0
1446 or (n_basic_blocks - 1) specially. Clear the AUX field before
1447 starting computation of doms/pdoms. Fix initial state for pdoms.
1449 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1451 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
1452 match rtl.o's: added ggc.h and toplev.h
1453 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
1454 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
1455 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
1457 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
1459 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
1460 from HAVE_DOS_BASED_FILESYSTEM.
1461 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
1462 HAVE_DOS_BASED_FILESYSTEM.
1464 (split_directories): Only special-case DOS file names if
1465 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
1466 instead of explicit tests. Conditionalize on !VMS.
1467 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
1468 tests. Conditionalize on !VMS.
1469 (process_command): Only use make_relative_prefix if !VMS.
1470 (free_split_directories): Conditionalize on !VMS.
1471 (DIR_UP): Conditionalize on !VMS.
1473 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
1475 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
1477 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
1479 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
1482 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
1484 * invoke.texi (Environment Variables): Document relative path
1486 * gcc.c (DIR_UP): If not defined, define as "..".
1487 (standard_bindir_prefix): New static, holds target location to
1489 (split_directories): New function to split a filename into
1490 component directories.
1491 (free_split_directories): New function, release memory allocated
1492 by split_directories.
1493 (make_relative_prefix): New function, make a relative pathname if
1494 the compiler is not in the expected location.
1495 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
1496 can figure out an appropriate prefix from argv[0].
1497 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
1498 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
1499 STANDARD_BINDIR_PREFIX.
1501 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1503 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
1505 * config/c4x/c4x.h: Moved prototypes to c4x.h.
1506 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
1507 c4x_secondary_memory_needed) Delete.
1508 (fp_zero_operand): Add mode argument.
1510 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
1512 * reload1.c (reload_reg_free_for_value_p): Don't use a register
1513 that is in reload_reg_used.
1515 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
1517 * config/arm/arm-protos.h: New file: Prototypes for functions
1518 defined in arm.c and pe.c.
1519 * config/arm/arm.h: Fix compile time warnings.
1520 * config/arm/arm.c: Fix compile time warnings.
1521 * config/arm/pe.h: Fix compile time warnings.
1522 * config/arm/aout.h: Fix compile time warnings.
1524 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
1526 * config/m32r/m32r-protos.h: New file: Prototypes for functions
1529 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
1530 Add support for subtargets.
1531 Add prototypes for new predicates.
1532 Add scheduling macros.
1534 * config/m32r/m32r.c: Fix compile time warnings.
1535 (int8_operand): New predicate function.
1536 (reg_or_cmp_int16_operand): New predicate function.
1537 (extend_operand): New predicate function.
1538 (m32r_adjust_code): New scheduling function.
1539 (m32r_adjust_priorty): New scheduling function.
1540 (m32r_sched_init): New scheduling function.
1541 (m32r_sched_reorder): New scheduling function.
1542 (m32r_sched_variable_issue): New scheduling function.
1543 (direct_return): New codegen function.
1544 (m32r_not_same_reg): New rtl testsing function.
1546 * config/m32r/m32r.md: Fix compile time warnings.
1547 Add support for pre decrement and post increment memory
1552 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1554 * global.c (EXECUTE_IF_CONFLICT): Don't define.
1555 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
1556 (find_reg): Likewise.
1558 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
1560 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
1561 to avoid assembler errors.
1563 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
1565 * config/v850/v850-protos.h: New file: Prototypes for functions
1567 * config/v850/v850.h: Move prototypes to v850-protos.h
1568 * config/v850/v850.c: Move prototypes to v850-protos.h
1569 * config/v850/v850.md: Fix compile time warnings.
1571 * config/fr30/fr30-protos.h: New file: Prototypes for functions
1573 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
1574 * config/fr30/fr30.c: Fix compile time warnings.
1575 * config/fr30/fr30.md: Fix compile time warnings.
1577 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
1579 * tree.h (get_containing_scope): Declare it.
1580 * tree.c (get_containing_scope): New fucntion.
1581 (decl_function_context): Use it.
1582 * toplev.c (rest_of_compilation): Use get_containing_scope.
1584 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1586 * Makefile.in (rtl.o): Depend on toplev.h.
1588 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
1590 * cse.c (delete_trivially_dead_insns): Replace alloca with
1592 * except.c (update_rethrow_references): Likewise.
1593 (init_eh_nesting_info): Likewise.
1594 * function.c (identify_blocks): Likewise.
1595 * gcse.c (dump_hash_table): Likewise.
1596 * graph.c (print_rtl_graph_with_bb): Likewise.
1597 * loop.c (combine_movables): Likewise.
1598 (move_movables): Likewise.
1599 (count_loop_regs_set): Likewise.
1600 (strength_reduce): Likewise.
1601 * profile.c (compute_branch_probabilities): New function, split
1603 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
1604 * regclass.c (regclass): Likewise.
1605 * regmove.c (regmove_optimize): Likewise.
1606 * toplev.c (compile_file): Likewise.
1607 (main): Don't mess with the stack rlimit.
1609 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
1611 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
1612 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
1614 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
1616 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
1618 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
1620 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
1621 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
1624 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
1626 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
1628 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
1630 * gcse.c (post_dominators): Kill.
1631 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
1632 (compute_code_hoist_data): Use compute_flow_dominators. Do not
1633 pass in a pdom array since we do not need pdoms.
1634 * haifa-sched.c (schedule_insns): Similarly.
1635 * flow.c (compute_dominators): Remove dead function.
1636 (compute_flow_dominators): Do not compute doms or pdoms if the
1637 caller does not request them. Split up loop to build doms and
1638 pdoms. Use a worklist to compute doms and pdoms.
1639 * basic-block.h (compute_dominators): Remove prototype.
1641 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
1643 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
1644 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
1645 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
1646 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
1647 (cant_move, fed_by_spec_load, is_load_insn): Remove.
1648 (schedule_region): Remove unused variable.
1649 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
1651 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
1653 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
1654 (update_equiv_regs): Likewise.
1655 (block_alloc): Likewise.
1656 * reg-stack.c (reg_to_stack): Likewise.
1657 (convert_regs_2): Likewise.
1658 * reload1.c (reload_as_needed): Likewise.
1660 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
1662 * Makefile.in (dbxout.o): Depend on ggc.h.
1663 (dwarf2out.o): Likewise.
1664 (xcoffout.o): Likewise.
1665 * dbxout.c: Include ggc.h.
1666 (dbxout_init): Register lastfile as a root.
1667 * dwarf2out.c: Include ggc.h.
1668 (dwarf2out_line): Register lastfile as a root.
1669 * xcoffout.c: Include ggc.h.
1670 (xcoffout_source_line): Register xcoff_lastfile as a root.
1672 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
1674 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
1676 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
1678 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
1680 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1682 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1684 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
1685 (EXECUTE_IF_CONFLICT): Likewise.
1686 (ALLOCNO_LIVE_P): Avoid signed division.
1687 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
1688 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
1689 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
1691 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
1693 * haifa-sched.c (schedule_block): Don't crash if there's no
1694 next insn for an interblock movement.
1695 (add_branch_dependences): Don't allow clobber insns to move either.
1697 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
1699 * i386.c (split_xf): New.
1700 * i386-protos.h: Declare it.
1701 * i386.md (movxf_1): Add general regs alternatives.
1702 (movxf_1+1): New splitter for same.
1704 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
1706 * function.c (purge_addressof_1): Add missing return values.
1708 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
1710 * function.c (is_addressof): New function. Returns true if
1711 the given piece of RTL is an ADDRESSOF.
1712 (purge_addressof_1): Make boolean. Return false if the
1713 ADDRESSOFs could not be purged.
1714 (purge_addressof): If ADDRESSOFs could not be purged from the
1715 notes attached to an insn, remove the offending note(s),
1716 unless they are attached to a libcall.
1718 1999-11-05 Andreas Jaeger <aj@suse.de>
1720 * genoutput.c (null_operand =): Initialize all fields.
1722 * errors.h: Add extern to prototypes.
1724 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
1726 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
1727 * configure: Rebuilt.
1729 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1731 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
1732 (mirror_conflicts): New function.
1733 (global_alloc): Call it.
1734 (expand_preferences): Remove redundant CONFLICTP test.
1735 (find_reg, dump_conflicts): Likewise.
1736 (prune_preferences): Process conflicts one word at a time.
1738 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
1740 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
1741 instead of an explicit loop.
1743 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
1745 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
1746 if REG_RETVAL check succeeds, then put classp in src_elt.
1748 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
1750 * function.c (pad_to_arg_alignment): Only update argument_pad
1751 if the argument's alignment is greater than STACK_BOUNDARY.
1753 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
1755 * bitmap.h (BITMAP_XFREE): New.
1756 * flow.c (life_analysis): Use it.
1757 (life_analysis_1): Free blocks.
1759 * combine.c (undo_commit): New.
1760 (try_combine): Use it. Don't zap undobuf.undos.
1761 (combine_instructions): Don't zap undobuf.undos; free the
1764 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
1766 * stmt.c (cost_table_): New.
1767 (estimate_case_costs): Use it instead of xmalloc.
1769 * toplev.c (compile_file): Reuse dumpname memory instead
1772 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
1774 * reg-stack.c (convert_regs_1): Initialize target_stack->top
1775 after verifying an EH edge.
1777 * haifa-sched.c (init_rgn_data_dependences): Correctly
1778 size bb_pending_lists_length when zeroing.
1780 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
1782 * function.c (diddle_return_value): New.
1783 (expand_function_end): Use it.
1784 * stmt.c (expand_null_return): Likewise.
1785 (expand_value_return): Likewise.
1787 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
1789 * reload1.c (reload): Don't remove return value clobbers.
1791 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
1793 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
1795 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
1797 * cse.c (cse_main): Use xmalloc, not alloca.
1798 (cse_basic_block): Likewise.
1799 * local-alloc.c (local_alloc): Likewise.
1801 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
1802 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1804 * rtl.c: Include toplev.h.
1805 (fatal): Remove declaration.
1807 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
1809 * haifa-sched.c (schedule_block): Fix thinko.
1811 1999-11-03 James McKelvey <mckelvey@fafnir.com>
1813 * fixinc/fixincl.c(create_file): Allow for systems that do not have
1814 S_IR* defined values
1816 1999-11-03 Philippe De Muyter <phdm@macqel.be>
1818 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
1819 call `malloc' instead.
1821 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
1823 * flags.h (flag_renumber_insns): Declare.
1824 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
1826 * rtl.h (renumber_insns): Change prototype.
1827 * toplev.c (flag_renumber_insns): Define.
1828 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
1830 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
1832 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
1833 and fpsqrtd. Use them and create fdiv function unit to more
1834 accurately represent fpu sqrt pipeline semantics on UltraSparc.
1835 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
1837 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
1839 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
1841 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
1842 insn into ready list, do not use just a raw swap.
1844 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
1846 * rtl.h (renumber_insns): New function.
1847 (remove_unnecessary_notes): Likewise.
1848 * emit-rtl.c (renumber_insns): Define.
1849 (remove_unncessary_notes): Likewise.
1850 * toplev.c (rest_of_compilation): Remove dead code.
1851 Use renumber_insns and remove_unncessary_notes.
1853 * gcse.c (struct null_pointer_info): New type.
1854 (get_bitmap_width): New function.
1855 (current_block): Remove.
1856 (nonnull_local): Likewise.
1857 (nonnull_killed): Likewise.
1858 (invalidate_nonnull_info): Take a null_pointer_info as input.
1859 (delete_null_pointer_checks_1): New function.
1860 (delete_null_pointer_checks): Use it.
1862 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
1863 (split_edges): Likewise.
1864 (schedule_block): Likewise.
1865 (compute_block_backward_dependencies): Likewise.
1866 (schedule_region): Likewise.
1867 (schedule_insns): Likewise.
1869 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
1871 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
1872 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
1873 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
1874 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
1875 * jump.c (delete_unreferenced_labels): Don't delete if
1876 LABEL_ALTERNATE_NAME is set.
1877 * print-rtl.c (print_rtx): Dump alternate name.
1878 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
1879 * rtl.h (LABEL_ALTERNATE_NAME): Define.
1880 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
1881 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
1883 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1885 * fix-header.c (recognized_extern, recognized_function): Constify
1888 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
1889 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
1890 (compute_available): Remove unused variable `last'.
1891 (compute_nearerout): Remove unused variable `temp_bitmap'.
1892 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
1893 Remove unused variable `x'.
1895 * scan.h (recognized_function, recognized_extern): Constify a
1898 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
1900 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1902 * varasm.c (decode_rtx_const): Use XSTR to access the string
1905 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
1907 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
1909 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1911 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
1913 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
1915 * pa.c (ireg_operand): New function.
1916 * pa.h (PREDICATE_CODES): Handle ireg_operand.
1917 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
1918 Fix out of date comment.
1920 * pa.md (negdi2): Turn into expander + anonymous pattern.
1922 * reload.c (find_reloads): Fix typos in recent change.
1924 * dwarf2out.c: Do not include ctype.h.
1926 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1928 * regclass.c (record_reg_classes): Always use may_move_cost when
1929 seeing how operand fits with various register classes.
1931 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
1933 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
1934 * toplev.c: Revert Nov 1 13:22 change.
1936 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
1938 * config/pa/pa.md (height reduction patterns): Add checks for
1939 overlapping operands to avoid semantic-destroying splits for
1940 height reduction patterns.
1942 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1944 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
1945 have been an hyphen, fixed.
1946 * configure: Rebuilt.
1948 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
1950 * config/arm/tpe.h: Add prototypes for exported functions.
1951 * config/arm/pe.c: Fix compile time warnings.
1952 * config/arm/semi.h: Fix compile time warnings.
1953 * config/arm/arm.c: Fix compile time warnings.
1954 * config/arm/arm.h: Fix compile time warnings.
1955 * config/arm/arm.md: Fix compile time warnings.
1956 * config/arm/thumb.c: Fix compile time warnings.
1957 * config/arm/thumb.h: Fix compile time warnings.
1958 * config/arm/thumb.md: Fix compile time warnings.
1960 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
1962 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
1965 * unroll.c (unroll_loop): Remove LOOP notes when loop is
1966 completely unrolled.
1968 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1970 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
1972 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
1974 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
1975 * rtl.h (rtx_equal_p): Move prototype.
1976 * rtl.c (rtx_equal_function_value_matters): Move from
1978 (rtx_equal_p): Likewise.
1979 * rtlanal.c (rtx_equal_function_value_matters): Delete.
1980 (rtx_equal_p): Likewise.
1982 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
1984 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
1987 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
1989 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
1991 * pa.h (ADDR_VEC_ALIGN): Define.
1993 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
1994 notes when presented with "if (foo) break; end_of_loop" and
1995 the break sequence gets moved out of the loop.
1997 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
1998 Remove explicit zero initializations of entries within MAP.
2000 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
2002 * reg-stack.c (convert_regs_1): Handle EH edges specially.
2004 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
2006 * bitmap.h (BITMAP_XMALLOC): New macro.
2007 * flow.c (CLEAN_ALLOCA): Remove.
2008 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
2009 (life_analysis): Likewise.
2010 (update_life_info): Don't use CLEAN_ALLOCA.
2011 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
2012 (calculate_global_regs_live): Likewise.
2013 (print_rtl_with_bb): Likewise.
2014 (verify_flow_info): Likewise.
2015 * global.c (global_alloc): Likewise.
2016 (global_conflicts): Likewise.
2017 * integrate.c (save_for_inline_nocopy): Likewise.
2018 (expand_inline_function): Likewise.
2019 * jump.c (jump_optimize_1): Likewise.
2020 (duplicate_loop_exit_test): Likewise.
2021 (thread_jumps): Likewise.
2022 * loop.c (loop_optimize): Likewise.
2023 (combine_givs): Likewise.
2024 (recombine_givs): Likewise.
2025 * reorg.c (dbr_schedule): Likewise.
2026 * unroll.c (unroll_loop): Likewise.
2028 * combine.c (combine_instructions): Use xmalloc instead of alloca.
2030 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
2032 * toplev.c (rest_of_compilation): Don't optimize the CFG
2033 when rebuilding, just before dbr.
2035 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2037 * output.h (assemble_end_function, assemble_destructor,
2038 assemble_constructor, assemble_gc_entry, assemble_global,
2039 assemble_label, output_constant_pool) Constify a char*.
2041 * varasm.c (assemble_destructor, assemble_constructor,
2042 assemble_gc_entry, assemble_end_function, assemble_global,
2043 assemble_label, output_constant_pool): Likewise.
2045 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
2047 * config/arm/thumb.c (thumb_expand_prologue): Add comments
2048 explaining what is goin on in this function.
2050 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2052 * regclass.c (record_reg_classes): In matching case, recompute
2053 costs since the direction of movement is different.
2055 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
2057 * resource.c (mark_target_live_regs): For unconditional branches,
2058 the resources found at the branch target should be added to the
2059 resources found so far, not intersected.
2061 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
2063 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
2065 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
2066 (sys/mman.h): Include this file only if #HAVE_MMAP.
2067 (run_compiles): Initialize `esac_fmt' with one old KR string, not
2068 with automatically concatenated ANSI strings.
2070 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
2072 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
2073 (DIV_ROUND_UP): Robustify.
2074 (ggc_recalculate_in_use_p): New function.
2075 (release_pages): Don't inline it.
2076 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
2078 (ggc_pop_context): Use ggc_recalculate_in_use_p.
2079 (clear_marks): Always save in_use_p.
2080 (sweep_pages): Use ggc_recalculate_in_use_p.
2081 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
2082 Release pages before counting statistics.
2084 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
2086 * toplev.c (rest_of_compilation): Fix thinko in this change:
2088 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
2090 (rest_of_compilation): If inside an inlined external function,
2091 pretend we are just being declared.
2093 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
2095 * flow.c (calculate_global_regs_live): Fix thinko.
2097 * integrate.c (expand_inline_function): Fix bugs in previous
2098 change from Oct 28, 1999.
2100 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
2102 * stmt.c (expand_value_return): Fix typo in this change:
2104 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2105 (expand_value_return): Correctly convert VAL when promoting function
2106 return; support RETURN_REG being a PARALLEL.
2108 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
2110 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
2112 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2114 * hard-reg-set.h (reg_names): Constify a char*.
2116 * regclass.c (reg_names): Likewise.
2118 * regs.h (reg_names): Likewise
2120 * a29k/a29k.c (reg_names): Delete declaration.
2122 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
2124 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
2125 arc_output_function_epilogue): Likewise.
2127 * elxsi/elxsi.c (reg_names): Likewise.
2129 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
2131 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
2134 * m88k/m88k.c (output_function_profiler): Likewise.
2136 * sparc/sparc.c (sparc_flat_output_function_prologue,
2137 sparc_flat_output_function_epilogue): Likewise.
2139 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
2141 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
2142 warning from -Wuninitialized and put it under -W.
2143 * function.c (uninitialized_vars_warning): Warn only when the
2144 corresponding flag is set.
2146 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
2148 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
2149 is nonzero and the single set does not have an elt, then assign
2152 * simplify-rtx.c: New file.
2153 * Makefile.in (OBJS): Add simplify-rtx.o
2154 (simplify-rtx.o): Add dependencies.
2155 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
2156 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
2157 (cse_gen_binary, simplify_unary_operation): Delete.
2158 (simplify_binary_operation, simplify_plus_minus): Likewise.
2159 (check_fold_consts, simplify_relation_operation): Likewise.
2160 (simplify_ternary_operation): Likewise.
2161 (delete_trivially_dead_insns): Simplify the contents of the
2162 REG_EQUAL note before trying to substitute it into the source
2163 of the reg-reg copy at the end of a libcall sequence.
2165 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
2166 references/callers changed.
2168 * mn10200.c (mn10200_va_arg): Force the return value into a
2171 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
2173 * cccp.c (macroexpand): Avoid out of range accesses for omitted
2176 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
2178 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
2180 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
2182 * fold-const.c (fold): Fix thinko when optimizing comparisons
2185 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
2187 * gcc.texi (Passes): Update front-end files to their current
2190 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
2192 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
2193 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2194 (PREDICATE_CODES): Add addition_operation.
2195 * alpha-protos.h (addition_operation): Declare.
2196 (secondary_reload_class): Likewise.
2197 * alpha.c (addition_operation): New.
2198 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
2199 * alpha.md (adddi3): Turn into expander.
2200 (*lda, *adddi_2): New.
2201 (movsf, movdf patterns): Don't preference integer regs.
2202 (movsi, movdi patterns): Don't preference fp regs.
2204 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
2206 * genrecog.c (write_switch): Check for duplicate CODE cases.
2208 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
2210 * ggc-common.c: Update pre-function commentary.
2211 * ggc-page.c: Likewise.
2213 (poison_pages): Use memset directly.
2214 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
2215 (ggc_collect): Poison before sweeping.
2216 * ggc-simple.c: Update pre-function commentary.
2217 (ggc_alloc_obj): Poison non-zeroed memory.
2219 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
2221 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
2222 match format string, even on 64-bit hosts.
2223 * gcc-page.c (ggc_page_print_statistics): Likewise.
2225 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
2227 * config/i386/i386.c (ix86_cpu): Revert last patch.
2228 * config/i386/i386.h (ix86_cpu): Ditto.
2230 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
2232 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
2233 TYPE_SIZE, convert type of result to sizetype.
2235 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
2237 * flow.c (count_or_remove_death_notes): Equate NULL with the
2240 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
2241 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
2244 * i386.c (pic_label_no): Delete.
2245 (ix86_attr_length_default): Don't use single_set to peek
2248 * recog.c (peephole2_optimize): Allow recog_next_insn to index
2249 the first insn after bb->end.
2250 * i386.md (push mem peeps): Scratch is live after evaluation
2252 (cmp mem peep): Similarly.
2254 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
2256 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
2257 * function.c (pad_to_arg_alignment): Add missing braces.
2259 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2261 * alpha/alpha-protos.h (literal_section): Add prototype.
2262 (alpha_need_linkage, alpha_start_function,alpha_end_function):
2265 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
2267 (alpha_start_function, alpha_end_function, float_strings,
2268 alpha_need_linkage): Constify a char*
2270 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
2272 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
2274 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
2276 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
2278 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2280 * flow.c (debug_flow_info): Add prototype.
2282 * gcc.c (main): Likewise.
2284 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
2287 * reload1.c (failed_reload, set_reload_reg): Likewise.
2289 * mips-tfile.c (main): Likewise.
2290 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
2291 with ATTRIBUTE_NORETURN.
2293 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
2295 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
2296 DECL is not a memory ref.
2298 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
2300 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
2301 * config/i386/i386.c (ix86_cpu): Add extern attribute.
2303 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
2305 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
2306 * config/mips/elf64.h: ditto.
2308 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
2310 * expr.c (emit_push_insn): New argument alignment_pad.
2311 Update all callers. Adjust stack pointer based on alignment pad.
2312 * function.c (pad_to_arg_alignment): New argument alignment_pad.
2313 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
2314 (locate_and_pad_parm): New argument alignment_pad. Update all
2316 * expr.h (emit_push_insn): Update prototype.
2317 (locate_and_pad_parm): Update prototype.
2318 * calls.c (arg_data): Add new field alignment_pad.
2319 (initialize_argument_information): Initialize alignment_pad.
2321 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
2323 * except.c (free_eh_nesting_info): Free the info itself.
2324 * function.c (free_after_compilation): Don't free NULL.
2325 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
2326 (pre_edge_insert): Free inserted.
2327 * stmt.c (free_stmt_status): Don't free NULL.
2329 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
2331 * gcov.c (DIR_SEPARATOR): Provide default.
2332 (output_data): Add test for MS-DOS format absolute filename.
2333 (fancy_abort): Correct program name.
2334 (open_files): Open all files in binary mode.
2335 * libgcc2.c (__bb_exit_func): Likewise.
2337 * profile.c (init_branch_prob): Specify binary when opening files.
2339 * flags.h (flag_unwind_tables): New decl.
2340 * toplev.c (flag_unwind_table): New definition.
2341 (f_options): Add -funwind-tables.
2342 (decode_g_option): Clarify warning when unknown -g option is given.
2343 (rest_of_compilation): If inside an inlined external function,
2344 pretend we are just being declared.
2346 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
2347 (dwarf2out_frame_finish): Likewise.
2349 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
2351 * fold-const.c (merge_ranges): In not in0, but in1, handle
2352 upper bounds equal like subset case.
2354 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
2356 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
2357 passed in a register but moved to the stack.
2359 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
2361 * gcc.c (pass_exit_codes, greatest_status): New variables.
2362 (struct option_map): Add entry for "--pass-exit-codes".
2363 (execute): Update greatest_status if error.
2364 (display_help): Add documentation for -pass-exit-codes.
2365 (process_command): Handle -pass-exit-codes.
2366 (main): Look at pass_exit_codes and greatest_status on call to exit.
2368 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2370 * reload.c (find_reloads): Refine test for no input reload
2371 case to not includes reloads emitted after insn.
2373 * function.c (find_temp_slots_from_address): Handle sum involving
2374 a register that points to a temp slot.
2375 (update_temp_slot_address): Make recursive call if both old and
2376 new are PLUS with a common operand.
2377 * calls.c (expand_call): Mark temp slot for result as having
2380 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
2382 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
2383 component as well as "BINUTILS".
2385 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
2386 * integrate.c (copy_rtx_and_substitute): Likewise.
2387 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
2388 All callers changed.
2389 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
2391 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
2392 gdb extensions, write size of type; also be more consistent
2393 in using references when this is a subtype.
2395 * pa.md (extv, extzv, insv): Use define_expand to reject constant
2396 that is out of range.
2398 * loop.c (unknown_constant_address_altered): New variable.
2399 (prescan_loop): Initialize it.
2400 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
2401 (invariant_p, case MEM): Remove handling for volatile and readony;
2402 check new variable if readonly.
2403 (check_dbra_loop): Chdeck unknown_constant_address_altered.
2405 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
2406 (addr_affects_sp_p): Removed from note_mem_written and only
2407 define #ifdef AUTO_INC_DEC.
2409 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
2411 * regclass.c (record_reg_classes): Properly handle register move
2414 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
2415 Don't think valid if both operands are invalid.
2416 (struct constant_descriptor): New field RTL.
2417 (mark_const_hash_entry): Mark it.
2418 (record_constant{,_rtx}): Initialize it.
2419 (output_constant_def): Allocate RTL in permanent obstack and
2421 ({record,compare}_constant_1): Modes must match for
2422 CONSTRUCTOR of ARRAY_TYPE.
2424 * c-common.h (initializer_constant_valid_p): Delete decl from here.
2425 * output.h (initializer_constant_valid_p): Move decl to here.
2426 * c-common.c (initializer_constant_valid_p): Delete function from here.
2427 * varasm.c (initializer_constant_valid_p): Move function to here.
2429 * tree.h (STRIP_SIGN_NOPS): New macro.
2430 * fold-const.c (optimize_minmax_comparison): New function.
2431 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
2432 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
2433 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
2434 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
2435 widening conversions.
2436 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
2437 to look at size of mode, not precision of type; also add missing cases.
2438 (optimize_bit_field_compare, decode_field_reference): Don't try to
2439 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
2441 * dwarf2out.c (ctype.h): Include.
2442 (dwarf2out_set_demangle_name_func): New function.
2443 (size_of_line_info): Deleted.
2444 (output_line_info): Compute size of line info table from difference
2446 (base_type_die, add_name_attribute): Call demangle function, if any.
2447 (field_byte_offset): Use bits per word for variable length fields.
2448 (gen_array_type_die): Add array name.
2449 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
2450 (dwarf2out_add_library_unit_info): New function.
2452 * explow.c (set_stack_check_libfunc): New function.
2453 (stack_check_libfunc): New static variable.
2454 (probe_stack_range): Allow front-end to set up a libfunc to call.
2456 * combine.c (simplify_comparison): When making comparison in wider
2457 mode, check for having commuted an AND and a SUBREG.
2458 (contains_muldiv): New function.
2459 (try_combine): Call it when dividing a PARALLEL.
2460 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
2461 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
2463 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
2464 use one of the CLOBBERs instead.
2465 (if_then_else_cond): If comparing against zero, just return thing
2468 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
2469 Don't generate shifts and subtract if have conditional arithmetic.
2471 * rtl.h (delete_barrier): New declaration.
2472 * jump.c (jump_optimize): Set up to handle conditional call.
2473 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
2474 (delete_barrier): New function.
2476 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
2478 * recog.c (nonmemory_operand): Accept ADDRESSOF.
2480 * tree.c (build_type_attribute_variant): Push to obstack of
2481 ttype around type_hash_canon call.
2483 * expr.c (placeholder_list): Move decl to file scope.
2484 (expand_expr): Don't force access to volatile just because its
2486 If ignoring reference operations, just expand the operands.
2487 (expand_expr, case COMPONENT_REF): Propagate
2488 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
2489 Refine test for using bitfield operations vs pointer punning.
2490 (expand_expr, case CONVERT_EXPR): If converting to
2491 BLKmode UNION_TYPE from BLKmode, just return inner object.
2492 Use proper mode in store_field call.
2493 Properly set sizes of object to store and total size in store_field
2494 call for convert to union.
2495 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
2496 memory (like for ADDR_EXPR). Also, don't put constant in register if
2497 we'll want it in memory.
2498 (readonly_fields_p): New function.
2499 (expand_expr, case INDIRECT_REF): Call it if LHS.
2500 (expand_assignment): Handle a RESULT_DECL where
2501 DECL_RTL is a PARALLEL.
2502 (do_jump, case WITH_RECORD_EXPR): New case.
2503 (get_inner_reference): Always go inside a CONVERT_EXPR
2504 and NOP_EXPR if both modes are the same.
2505 (store_field): Use bitfield operations if size of bitsize is not same
2506 as size of RHS's type.
2507 Check for bitpos not a multiple of alignment in BLKmode case.
2508 Do block move in largest possible alignment.
2509 (store_constructor): Set BITSIZE to -1 for variable size and properly
2510 in case of array of BLKmode.
2511 (expand_expr_unaligned): New function.
2512 (do_compare_and_jump): Call it.
2514 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
2515 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
2516 does not include 'o'.
2518 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
2519 both SET_DEST and SET_SRC reference a virtual register.
2520 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
2522 * integrate.c (expand_inline_function): Handle case of setting
2523 virtual stack vars register (from built in setjmp); when parameter
2524 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
2525 (subst_constant): Add new parm, MEMONLY.
2526 (expand_inline_function, integrate_parm_decls): Pass new parm.
2527 (integrate_decl_tree): Likewise.
2528 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
2529 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
2530 (copy_rtx_and_substitute, case SET): Add explicit calls to
2531 copy_rtx_and_substitute for both sides.
2533 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
2535 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
2536 within INDEX_TYPE, instead of before.
2537 (fixup_gotos): Use f->target_rtl, not the next insn,
2538 since latter may be from a later fixup.
2539 (expand_value_return): Correctly convert VAL when promoting function
2540 return; support RETURN_REG being a PARALLEL.
2541 (expand_return): When checking for result in regs and having
2542 cleanup, consider PARALLEL in DECL_RTL as being in regs.
2544 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
2546 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
2547 last_nominal_fname): Mark const.
2548 (struct include_hash: name, nshort, control_macro): Mark
2550 (struct macrodef: symnam): Mark const.
2551 (struct if_stack: fname): Mark const.
2552 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
2553 (IStable): New character-syntax array which encompasses all
2554 the old is_foo arrays.
2555 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
2556 is_space): New macros for interrogating IStable.
2557 (check_macro_name): Kill last argument. All callers changed.
2559 * cppinit.c (initialize_char_syntax): Delete.
2560 (is_idchar, is_idstart, is_hor_space, is_space,
2561 trigraph_table): Delete.
2562 (IStable): New. Initialize with clever macros to avoid
2563 information duplication.
2564 (builtin_array): Table of builtins to get rid of explicit list
2565 in initialize_builtins.
2566 (initialize_builtins): Use builtins_array.
2567 (cpp_start_read): Call init_IStable, and set IStable['$'] if
2568 opts->dollars_in_ident.
2570 * cppexp.c: Change all refs to is_xyz[] arrays to use new
2572 (cpp_parse_expr): Avoid 'format string is not constant'
2573 warning. Use ISGRAPH to identify printable chars.
2574 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
2576 (read_and_prescan): Map trigraphs to chars with open-coded
2577 if-else-if-... sequence, not a lookup table.
2578 * cpphash.c: Change all refs to is_xyz[] arrays to use new
2580 * cpplib.c: Change all refs to is_xyz[] arrays to use new
2581 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
2582 (check_macro_name): Remove ability to report an invalid
2583 assertion name, which is never used.
2584 (do_line): Constify a couple of char *'s.
2585 * cppmain.c (main): Call cpp_cleanup before returning.
2587 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
2589 * ggc.h (struct ggc_statistics): New type.
2590 (ggc_get_size): New function.
2591 (ggc_print_statistics): Likewise.
2592 * ggc-common.c (ggc_stats): New variable.
2593 (ggc_mark_rtx_children): Keep statistics.
2594 (ggc_mark_tree_children): Likewise.
2595 (ggc_print_statistics): New function.
2596 * ggc-page.c (struct globals): Add bytes_mapped field.
2597 (alloc_anon): Update it.
2598 (release_pages): Likewise.
2599 (ggc_get_size): New function.
2600 (ggc_page_print_statistics): New function.
2601 * ggc-simple.c (ggc_get_size): New function.
2603 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
2605 * flow.c (propagate_block): When the last reference to a label
2606 before an ADDR_VEC is deleted because the reference is a dead
2607 store, delete the ADDR_VEC.
2609 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
2611 * resource.c (find_free_register): Don't use the frame pointer
2612 if frame_pointer_needed.
2614 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
2616 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
2617 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
2619 * config/i960/i960.c (i960_va_start): New locals base, num.
2620 Use INDIRECT_REF instead of ARRAY_REF on valist.
2621 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
2623 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
2625 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
2627 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
2629 * tree.def (PLACEHOLDER_EXPR): Update comments.
2631 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2633 * c-common.c (check_format_info): Avoid non-literal format string
2634 warnings when `first_arg_num' is zero.
2636 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2638 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
2640 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2642 * arm.md (casesi_insn): Add a clobber of the condition code
2645 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
2647 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
2648 used by both cc1 and cc1plus.
2650 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
2652 * config/arm/arm.c: Initialise arm_structure_size_boundary to
2653 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
2654 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
2655 to the value 32 if it has not already been defined.
2656 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
2657 Override definition in arm.h with a value of 8.
2659 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
2661 * c-pragma.c (push_alignment): Don't check the return value
2664 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
2666 * sparc.h (ADJUST_COST): Fix thinko.
2668 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
2670 * cccp.c (rescan): Fixed obp pointer handling around call to
2671 check_expand subroutine.
2673 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
2675 * gcse.c (delete_null_pointer_checks): Only record non-null info
2676 for pseudos when examining stores.
2678 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
2679 splitters for these patterns. Use "#" for output templates.
2680 (addsi3_carryin_shift): New pattern.
2682 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
2684 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
2685 of the function return register into a plain REG until
2686 after function inlining is done.
2688 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
2690 * jump.c (jump_optimize_1): If we did cross-jumping, and
2691 the data will matter, rebuild the CFG.
2692 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
2693 not optimizing. Don't run shorten_branches.
2694 * toplev.c (rest_of_compilation): Run shorten_branches after
2697 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
2699 * rtl.h (note_stores): Add additional paramter.
2700 * rtlanal.c (reg_set_p_1): Take additional paramter.
2701 (reg_set_last_1): Likewise.
2702 (reg_set_p): Adjust call to note_stores.
2703 (reg_set_last): Likewise.
2704 (note_stores): Pass data parameter to worker function.
2705 * alias.c (record_set): Take additional parameter.
2706 (init_alias_analysis): Pass it.
2707 * caller-save.c (mark_set_regs): Take additional parameter.
2708 (save_call_clobbered_regs): Pass NULL to note_stores.
2709 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
2711 (record_dead_and_set_regs_1): Likewise.
2712 (reg_dead_at_p_1): Likewise.
2713 (combine_instructions): Adjust calls to note_stores.
2714 (try_combine): Likewise.
2715 (record_dead_insn): Remove.
2716 (record_dead_and_set_regs): Adjust calls to note_stores.
2717 (reg_dead_at_p): Likewise.
2718 * cse.c (invalidate_skipped_set): Take additional parameter.
2719 (cse_check_loop_start): Likewise.
2720 (cse_check_loop_start_value): Remove.
2721 (cse_set_around_loop): Adjust calls to note_stores.
2722 * flow.c (notice_stack_pointer_modification): Take additional
2723 parameter. Remove duplicate declaration.
2724 (record_volatile_insns): Adjust calls to note_stores.
2725 * gcse.c (record_set_info): Take additional parameter.
2726 (record_last_set_info): Likewise.
2727 (invalidate_nonnull_info): Likewise.
2728 (record_set_insn): Remove.
2729 (compute_sets): Adjust calls to note_stores.
2730 (last_set_insn): Remove.
2731 (compute_hash_table): Adjust calls to note_stores.
2732 (insert_insn_end_bb): Likewise.
2733 (delete_null_pointer_checks): Likewise.
2734 * global.c (mark_reg_store): Take additional parameter.
2735 (mark_reg_clobber): Likewise.
2736 (reg_becomes_live): Likewise.
2737 (global_conflicts): Adjust calls to note_stores.
2738 (build_insn_chain): Likewise.
2739 * integrate.c (note_modified_parmregs): Take additional parameter.
2740 (mark_stores): Likewise. Make it static.
2741 (save_for_inline_nocopy): Adjust calls to note_stores.
2742 (try_constants): Likewise.
2743 * integrate.h (mark_stores): Remove declaration.
2744 * jump.c (mark_modified_reg): Take additional parameter.
2745 (thread_jumps): Adjust calls to note_stores.
2746 * local-alloc.c (validate_equiv_mem_from_store): Take additional
2748 (no_equiv): Likewise.
2749 (reg_is_set): Likewise.
2750 (validate_equiv_mem): Adjust calls to note_stores.
2751 (update_equiv_regs): Likewise.
2752 (block_alloc): Likewise.
2753 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
2754 (note_addr_stored): Take additional parameter.
2755 (note_set_pseudo_multiple_uses): Likewise.
2756 (record_initial): Likewise.
2757 (prescan_loop): Adjust calls to note_stores.
2758 (strength_reduce): Likewise.
2759 (check_dbra_loop): Likewise.
2760 * regmove.c (flags_set_1): Take additional paramter.
2761 (mark_flags_life_zones): Adjust calls to note_stores.
2762 * reload1.c (mark_not_eliminable): Take additional parameter.
2763 (forget_old_reloads_1): Likewise.
2764 (reload_cse_invalidate_rtx): Likewise.
2765 (reload_cse_check_clobber): Likewise.
2766 (reload_combine_note_store): Likewise.
2767 (move2add_note_store): Likewise.
2768 (reload): Adjust calls to note_stores.
2769 (reload_as_needed): Likewise.
2770 (emit_reload_insns): Likewise.
2771 (reload_cse_regs_1): Likewise.
2772 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
2773 (reload_combine): Adjust calls to note_stores.
2774 * resource.c (update_live_status): Take additional paramter.
2775 (mark_target_live_regs): Adjust calls to note_stores.
2776 * stupid.c (find_clobbered_regs): Take additional parameter.
2777 (stupid_life_analysis): Adjust calls to note_stores.
2779 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
2781 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
2784 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
2787 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
2788 of the variable arm_structure_size_boundary.
2790 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
2792 * alias.c (init_alias_analysis): Allocate reg_known_value and
2793 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
2795 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
2796 * cse.c (cse_main): Call end_alias_analysis.
2797 * haifa-sched.c (schedule_insns): Likewise.
2798 * local-alloc. (update_equiv_regs): Likewise.
2799 * reload1.c (reload_cse_regs): Likewise.
2801 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2803 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
2804 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
2805 mapping from MASK_FPU.
2807 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
2809 * sparc.md (call): Don't bound structure return size to 0xfff.
2811 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
2813 * resource.c (mark_target_live_regs): Check that the target
2814 insn wasn't created after compute_bb_for_insn.
2816 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
2818 * ggc-page.c (poison_pages): Don't be overzealous.
2820 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
2822 * alias.c: Update comments for ADDRESS.
2823 (nonlocal_reference_p): Look inside the ADDRESS to determine if
2824 it is a local memory reference.
2826 * c-typeck.c (build_function_call): Check that the built-in
2827 function is of class BUILT_IN_NORMAL before trying to recongize
2829 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
2830 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
2832 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
2834 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
2836 (pre_gcse): Likewise.
2837 (hoist_expr_reaches_here_p): Likewise.
2838 (hoist_code): Likewise.
2839 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
2841 (pre_expr_reaches_here_p_work): ... here.
2842 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
2844 (expr_reaches_here_p_work): ... here.
2846 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
2848 * resource.c (find_basic_block): Delete.
2849 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
2850 (init_resource_info): Call compute_bb_for_insn.
2852 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
2854 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
2855 with already adjacent blocks, but no fallthru.
2856 (merge_blocks_move_successor_nojumps): Simplify.
2857 (debug_flow_info): New.
2859 * toplev.c (rest_of_compilation): Open jump1 dump file before
2860 jump and close after, as opposed to just using dump_rtl.
2862 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2864 * reload.h (earlyclobber_operand_p): Declare.
2865 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
2866 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
2867 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
2868 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
2870 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
2871 Richard Henderson <rth@cygnus.com>
2873 * emit-rtl.c (emit_block_insn_before): New.
2874 (emit_block_insn_after): New.
2875 * basic-block.h: Declare them.
2877 * bitmap.h: Protect from multiple inclusion.
2879 * recog.c (scratch_operand): Handle VOIDmode correctly.
2881 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
2883 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
2884 * function.c (assign_parms): Likewise.
2885 * global.c (global_conflicts): Clarify STACK_REGS commentary.
2887 * reg-stack.c (max_uid): Remove.
2888 (blocks, block_begin, block_end, block_drops_in): Remove.
2889 (block_stack_in, block_out_reg_set, block_number): Remove.
2890 (struct block_info_def, BLOCK_INFO): New.
2891 (enum emit_where): New.
2892 (current_block): New.
2893 (BLOCK_NUM): Remove.
2894 (mark_regs_pat, record_label_references): Remove.
2895 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
2897 (goto_block_pat, print_blocks, dump_stack_info): Remove.
2898 (reg_to_stack): Simplified test for existance of fp code. Use
2899 flow.c code. Call shorten_branches after cross-jump opt.
2900 (check_asm_stack_operands): Renamed from record_asm_reg_life.
2901 Return false if the asm doesn't use stack regs. Don't do life
2902 analysis on the asm.
2903 (emit_pop_insn): Replace function pointer arg `when' with
2904 enum `where'. Update all callers.
2905 (change_stack): Likewise. Update basic block end.
2906 (emit_swap_insn): Use current_block->head to limit reverse search
2907 for start of block. Use emit_block_insn_after.
2908 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
2909 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
2910 structure assignment instead of bcopy.
2912 (convert_regs_entry, convert_regs_exit): New.
2913 (convert_regs_1, convert_regs_2): Split out from convert_regs.
2914 Work on basic blocks and the CFG.
2915 (convert_regs): Use them.
2917 * i386.c (output_fix_trunc): Remove code for DImode input operand
2918 not at top-of-stack.
2919 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
2921 (fix_truncdi_1): Allow any mode scratch.
2923 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
2925 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
2926 * linux.h, netbsd.h, vms.h: Not here.
2928 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
2930 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
2931 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
2932 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
2933 CONDITIONAL_REGISTER_USEAGE): Use them.
2934 * config/mips/mips.c (mips_move_1word,mips_move_2words,
2935 gen_conditional_branch,override_options) : Use them.
2936 * config/mips/mips.md : Use them.
2938 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
2940 * i386.md (zero_extendqihi2): Use SImode register name with andl.
2942 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
2944 * integrate.c (function_cannot_inline_p): Don't allow inlining
2947 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2949 * c-parse.in (cast_expr): Constify.
2951 * cccp.c (special_symbol): Likewise.
2953 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
2955 * dwarf2out.c (base_type_die): Likewise.
2957 * global.c (allocno_compare): Likewise.
2959 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
2961 * regclass.c (fix_register): Likewise.
2963 * rtl.h (fix_register): Likewise.
2965 * stupid.c (stupid_reg_compare): Likewise.
2967 * toplev.c (decode_f_option): Likewise.
2969 * tree.c (build_complex_type): Likewise.
2971 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
2973 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
2975 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2977 * reload.c (find_reloads): Compute mode and nregs fields of all
2979 * reload1.c (calculate_needs_all_insns): Simplify a bit.
2980 (calculate_needs): Use precomputed mode/nregs values.
2981 (allocate_reload_reg): Likewise.
2983 (failed_reload, set_reload_reg): ... new functions.
2984 (choose_reload_regs_init): New function, mostly broken out from...
2985 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
2986 Also lose one #if 0 block.
2988 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
2990 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
2993 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
2995 * tree.h (BLOCK_TYPE_TAGS): Remove.
2996 (BLOCK_END_NOTE): Likewise.
2997 (BLOCK_LIVE_RANGE_FLAG): Likewise.
2998 (BLOCK_LIVE_RANGE_START): Likewise.
2999 (BLOCK_LIVE_RANGE_END): Likewise.
3000 (tree_block): Remove live_range_flag, live_range_var_flag, and
3001 type_tags. Remove end_note, live_range_start, and live_range_end.
3002 (remember_end_note): Remove prototype.
3003 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
3004 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
3006 * ggc-common.c (ggc_mark_tree_children): Don't mark
3007 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
3008 * integrate.c (adjust_copied_decl_tree): Remove.
3009 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
3010 * stmt.c (last_block_end_note): Remove.
3011 (init_stmt): Don't add a GC root for it.
3012 (expand_fixup): Don't set it.
3013 (remember_end_note): Remove.
3014 (expand_end_bindings): Don't set last_block_end_note.
3016 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3018 * reload1.c (reload_reg_free_for_value_p): Show
3019 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
3022 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
3024 * expmed.c (extract_bit_field): Allow for the case of non-integer
3025 objects that are smaller than a word (like SFmode on a 64-bit
3028 * loop.c (basic_induction_var): A non-integer variable which is
3029 being set by a paradoxical subreg is probably not a biv.
3031 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3033 * prefix.c (translate_name) Check for empty prefix string.
3035 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
3037 * Makefile.in (CPP_CROSS_NAME): New variable.
3038 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
3040 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
3041 names of the files to be uninstalled.
3043 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
3045 * collect2.c (IS_DIR_SEPARATOR): Define.
3046 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
3048 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
3051 * haifa-sched.c (add_dependence): Update the true dependency
3052 cache the first time we add a true dependence to the LOG_LINKS chain.
3054 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
3056 * fold-const.c (fold): Fix comment.
3058 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3060 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
3061 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
3062 dbxout_start_new_source_file, dbxout_source_file,
3063 dbxout_source_line, dbxout_finish, dbxout_type_fields,
3064 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
3066 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
3067 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
3068 (dbxout_block): Initialize variable `blocknum'.
3070 * dbxout.h (dbxout_init, dbxout_finish,
3071 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
3072 dbxout_args, dbxout_source_line): Constify a char*.
3074 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
3075 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
3076 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
3077 low_pc_attribute, high_pc_attribute, body_begin_attribute,
3078 body_end_attribute, comp_dir_attribute, sf_names_attribute,
3079 src_info_attribute, mac_info_attribute, producer_attribute,
3080 lookup_filename, generate_macinfo_entry, fundamental_type_code,
3081 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
3082 dwarfout_undef): Constify a char*.
3083 (add_incomplete_type, retry_incomplete_types): Add prototypes.
3085 * dwarfout.h (dwarfout_define, dwarfout_undef,
3086 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
3088 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
3090 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
3091 (MULTILIB_ISA_DEFAULT): New.
3092 (MULTILIB_DEFAULTS): Use it.
3093 * config/mips/mips.c (): Remove the now unnecessary definition
3094 of MIPS_ISA_DEFAULT.
3095 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
3096 unnecessary definition.
3098 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
3100 * arm.md (pic_load_addr): Add constraints to operand 1.
3102 1999-10-25 Bruce Korb <autogen@linuxbox.com>
3104 * fixinc/genfixes: Provide a means for specifying -D options to
3107 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
3109 * arm.c (arm_override_options): Correct initialization of
3110 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
3111 arm_is_strong, and arm_is_6_or_7.
3113 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
3114 (note_set_pseudo_multiple_uses): New function.
3115 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
3116 if a pseudo set in the loop exit is used elsewhere.
3118 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
3120 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
3122 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
3124 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
3125 a single load-address pattern.
3127 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
3129 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
3130 depending on whether or not line-number notes are present.
3132 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3134 * cccp.c (progname, file_buf, default_include, include_file,
3135 macrodef, definition, hashval, wchar_type, user_label_prefix,
3136 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
3137 expand_to_temp_buffer, is_system_include, base_name,
3138 absolute_filename, read_name_map, open_include_file,
3139 record_control_macro, check_precompiled, check_preconditions,
3140 pcfinclude, pass_thru_directive, create_definition,
3141 check_macro_name, comp_def_part, collect_expansion,
3142 check_assertion, read_token_list, assertion_install,
3143 assertion_lookup, eval_if_expression, conditional_skip,
3144 validate_else, skip_quoted_string, quote_string, macarg1,
3145 error_from_errno, install, lookup, hashf, dump_defn_1,
3146 perror_with_name, pfatal_with_name, main, trigraph_pcp,
3147 check_white_space, rescan, handle_directive, monthnames,
3148 special_symbol, do_include, remap_include_file, write_output,
3149 arglist, do_assert, do_unassert, do_line, do_error, do_once,
3150 do_ident, do_sccs, do_xifdef, skip_if_group,
3151 output_line_directive, macroexpand, macarg, change_newlines,
3152 initialize_builtins, make_definition): Constify a char*.
3154 * pcp.h (stringdef): Likewise.
3156 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
3158 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
3161 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
3162 Richard Henderson <rth@cygnus.com>
3164 * alias.c: Include ggc.h.
3165 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
3166 (record_set): Verify enough room in reg_base_value.
3167 (init_alias_analysis): Allocate reg_base_value with xcalloc.
3168 Register it as a GC root.
3169 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
3170 * Makefile.in (alias.o): Depend on ggc.h.
3172 * unroll.c (unroll_loop): Verify the insn before a barrier
3173 is a JUMP_INSN before checking JUMP_LABEL.
3175 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3177 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
3178 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
3179 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
3180 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
3181 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
3182 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
3184 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3186 * output.h (ctors_section, dtors_section, bss_section): Prototype.
3188 * alpha/alpha-interix.h (text_section): Delete prototype.
3189 * alpha/elf.h (text_section): Likewise.
3190 * arm/linux-elf.h (text_section): Likewise.
3191 * arm/linux-telf.h (text_section): Likewise.
3192 * c4x/c4x.h (text_section): Likewise.
3193 * dsp16xx/dsp16xx.h (bss_section): Likewise.
3194 * elfos.h (text_section): Likewise.
3195 * i386/aix386ng.h (text_section): Likewise.
3196 * i386/i386-interix.h (text_section): Likewise.
3197 * i386/sco5.h (text_section): Likewise.
3198 * i386/svr3gas.h (text_section): Likewise.
3199 * nextstep.h (text_section): Likewise.
3200 * psos.h (text_section): Likewise.
3201 * ptx4.h (text_section): Likewise.
3202 * svr3.h (text_section): Likewise.
3203 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
3205 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3207 * final.c (peephole): Delete prototype.
3209 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
3210 (pre_insert_copies): Remove unused variable `bb'.
3212 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
3215 * output.h (peephole): Add prototype.
3217 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
3219 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
3222 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
3224 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
3225 for inlined declarations.
3227 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
3229 * arm.c (logical_binary_operator): New fucntion.
3230 * arm.h (logical_binary_operator): Declare it.
3231 (PREDICATE_CODES): Handle logical_binary_operator.
3232 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
3233 output constraints. Add appropriate splitters.
3234 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
3235 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
3236 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
3238 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3240 * genoutput.c (struct operand_data): New elt eliminable.
3241 (output_operand_data): Write it.
3242 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
3243 (compare_operands): Take it into account.
3244 * recog.h (struct insn_operand_data): New elt eliminable.
3245 * reload1.c (check_eliminable_occurrences, elimination_effects): New
3247 (old_asm_operands_vec, new_asm_operands_vec): Delete.
3248 (eliminate_regs): Move code that detects changes to elimination
3249 target regs into new function elimination_effects.
3250 Delete one #if 0 block.
3251 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
3252 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
3253 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
3254 Only call eliminate_regs for real operands of the insn, not for parts
3255 of its structure or parts matched by things like match_operator.
3256 Use elimination_effects and check_eliminable_occurrences. Use
3257 copy_insn to duplicate the pattern when not in the final pass.
3259 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
3261 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
3264 1999-10-22 Bruce Korb <autogen@linuxbox.com>
3266 * fixinc/README: document the "mach" machine matching test
3267 * fixinc/fixfixes.c: Implement the #else/#endif label fix
3268 * fixinc/fixtests.c: Implement the #else/#endif label test
3269 * fixinc/inclhack.def: utilize these tests and fixes
3270 * fixinc/inclhack.sh: regen
3271 * fixinc/fixincl.x: regen
3272 * fixinc/fixincl.sh: regen
3274 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
3276 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
3279 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
3281 * gcc.1: Document exit codes.
3283 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3285 * calls.c: Include tm_p.h later, so everything we need is defined.
3287 * function.c: Likewise.
3289 * except.c: Include tm_p.h.
3291 * sparc.c: Likewise.
3292 (dwarf2out_cfi_label): Don't prototype.
3293 (check_return_regs, epilogue_renumber,
3294 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
3295 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
3296 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
3297 ultra_schedule_insn): Add static prototype.
3298 (data_segment_operand, text_segment_operand): Call itself with the
3299 proper number of arguments.
3300 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
3302 * sparc.h: Move all declarations to sparc-protos.h.
3303 (SELECT_RTX_SECTION): Pass a missing MODE argument to
3306 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
3308 * config/svr4.h (text_section, ctors_section, dtors_section): Add
3310 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
3311 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
3312 ASM_OUTPUT_ASCII): Constify a char*.
3314 * sparc-protos.h: New file for sparc prototypes.
3316 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3318 * function.c (record_insns, contains): Always declare and define.
3319 (record_insns): Mark with ATTRIBUTE_UNUSED.
3321 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
3323 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
3324 to .section when outputting a .bss section to deal with multiple
3325 .bss input sections (as happens with -fdata-sections)
3326 Also output %progbits, not @progbits so the assembler doesn't treat as
3328 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
3330 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
3331 thumb parts even when building with non-thumb CPUs, by forcing
3334 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
3336 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
3337 (movdf_const_intreg_sp64): Similarly.
3339 * local-alloc.c (update_equiv_regs): Check the correct insn
3340 for pre-existing REG_EQUIV notes.
3342 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
3344 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
3345 block reached by a branch if we're not going to actually process
3348 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
3350 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
3351 a local extern function declaration.
3353 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
3355 * i386.c (ix86_expand_prologue): Properly wrap USE around
3356 reg for CALL_INSN_FUNCTION_USAGE.
3358 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
3360 * config/mips/mips.md (movdf_internal1a): Allow floating-point
3361 move between GP_REGs.
3363 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
3365 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
3366 the mode size when finding out if an offset is legal.
3368 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
3370 * basic-block.h (PROP_*): Move constants from ...
3372 (compute_bb_for_insn): Free the array before reallocating.
3373 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
3374 (allocate_reg_life_data): Reset all reg variables collected by
3376 (get_block_head_tail): Don't convert from bb to block.
3377 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
3378 (find_insn_reg_weight): Take block not bb.
3379 (schedule_block): Don't set block num for moved insns.
3380 (schedule_region): Don't update_life_info or find_insn_reg_weight.
3381 (schedule_insns): Do it here instead.
3382 * combine.c (combine_instructions): Invoke compute_bb_for_insn
3383 before update_life_info.
3384 * recog.c (split_all_insns, peephole2_optimize): Update for
3385 new arg to update_life_info.
3386 * rtlanal.c (remove_note): Cope with NULL note.
3387 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
3390 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
3392 * jump.c (jump_optimize_1): More accurately detect casesi insns.
3394 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
3395 block records so that merge_blocks_nomove will clean up correctly.
3396 (split_edge): Handle casesi insns.
3398 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
3400 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
3402 * pa.md (call, call_value): Do not emit a blockage after restoring
3405 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
3407 * c-typeck.c (c_expand_asm_operands): Fix typo.
3409 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3411 * arm.c (fpu_rhs_operand): Verify modes.
3412 (fpu_add_operand): Likewise.
3413 (di_operand): Likewise.
3414 (soft_df_operand): Likewise.
3416 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
3418 * arm.c (arm_return_in_memory): APCS rules state that the elements
3419 of a structure returned in a register must be 'integer-like'.
3421 1999-10-19 Bruce Korb <autogen@linuxbox.com>
3423 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
3424 in the source tree when the generated targets are out of date
3425 * fixinc/genfixes: Alter it to run individual fixes for make.
3426 * fixinc/README: rewrite
3427 * fixinc/inclhack.def: moved initial comments to README
3429 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
3431 * toplev.c (main): Do not generate an error message if an
3432 unrecognised command line switch is recognisable by another
3433 language. If extra_warnings are enabled, then generate a
3434 warning message instead.
3436 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
3438 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
3439 (insert_pack_attributes): Delete prototype.
3441 * c-pragma.c (default_alignment): New static variable.
3442 (push_alignment): Initialize to current effective alignment.
3443 (pop_alignment): Use to set new alignment.
3444 (insert_pack_attributes): Delete function.
3445 (handle_pragma_token): Set default_alignment as well each time
3446 a #pragma pack(<n>) is encountered.
3448 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
3450 * reg-stack.c (stack_result): Aggregates are not returned in
3453 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3455 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
3457 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
3459 * basic-block.h (set_block_num): Declare.
3460 * flow.c (update_life_info): Don't call compute_bb_for_insn
3461 or free_basic_block_vars.
3462 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
3463 (insn_orig_block): Remove.
3464 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
3465 (schedule_block): Keep BLOCK_NUM up-to-date.
3466 (schedule_insns): Use compute_bb_for_insn.
3467 * recog.c (split_all_insns): Likewise.
3468 (peephole2_optimize): Likewise.
3470 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
3472 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
3473 if the pic register is used.
3475 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3477 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
3478 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
3479 if that tests TREE_PERMANENT.
3481 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
3483 * cse.c (invalidate_for_call): Do not remove memory references from
3484 the table here. It's handled elsewhere.
3486 * haifa-sched.c (add_dependence): Protect references to the
3487 true dependency cache with #ifdef INSN_SCHEDULING.
3488 (remove_dependence): Similarly.
3490 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
3491 to the cfg code that this is a return instruction.
3492 * mn10300.md (return_internal): Similarly.
3494 * combine.c (get_last_value): If the last set of a register
3495 is after subst_low_cuid, then we can not use it to determine
3496 the register's last value.
3498 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
3500 * Makefile.in: Back out previous change.
3502 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
3504 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
3506 * haifa-sched.c (add_dependence): Only check/update the cache
3508 (remove_dependence): Likewise.
3509 (schedule_insns): Only create the true_dependency_cache if the
3510 average number of instructions in a basic block is very large.
3512 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
3514 * Makefile.in (ggc-common.o): Depend on genrtl.h.
3515 (ggc-simple.o): Likewise.
3516 (ggc-page.o): Likewise.
3518 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
3520 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
3521 Prototype for exported functions.
3522 (pre_lcm, pre_rev_lcm): Remove prototypes.
3523 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
3524 (compute_available): Move to lcm.c, and change parameter order.
3525 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
3526 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
3527 (gcse_main): No longer call compute_preds_succs. Rebuild the
3528 set table after reach pre pass.
3529 (pre_insert_map, pre_delete_map, edge_list): New.
3530 (alloc_pre_mem): Allocate edge vectors.
3531 (free_pre_mem): Delete edge vectors.
3532 (compute_pre_data): Call new edge based lcm routines.
3533 (process_insert_insn): New function.
3534 (insert_insn_end_bb): Use it.
3535 (pre_edge_insert): New function.
3536 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
3538 (pre_insert_copies): Revamp using new edge based lcm outputs.
3539 (pre_delete): Likewise.
3540 (one_pre_gcse_pass): Insert & remove fake edges to the exit
3542 (compute_code_hoist_vbeinout): New new edge based routines.
3543 * lcm.c: Remove all the old LCM functions. Replace with new ones
3544 that work with the new cfg datastructures and work with edges
3547 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3549 * reload.h (struct reload): Add new fields "mode" and "nregs".
3550 * reload1.c: Change all occurrences of reload_mode and reload_nregs
3551 to reference the "mode" and "nregs" field within struct reload.
3553 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
3555 * haifa-sched.c (true_dependency_cache): New.
3556 (add_dependence): Use the true dependency cache to avoid expensive
3557 walks down the LOG_LINKS dependency list. Add entries to the
3559 (remove_dependence): Remove entries from the true dependency cache
3561 (schedule_insns): Allocate and initialize and free the true
3564 * haifa-sched.c (schedule_insns): Do not remove inter-block
3565 dependencies anymore.
3567 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
3569 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
3570 * i386/t-winnt: Likewise.
3572 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
3574 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
3576 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
3578 * Makefile.in (LANGUAGES): Omit "proto".
3579 (clean): Remove stale comment about removing unprotoize.c.
3581 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3583 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
3584 using arithmetic on void pointers.
3586 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
3588 * haifa-sched.c (compute_block_forward_dependencies): Only check
3589 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
3591 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
3593 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
3594 (expr_equiv_p): Reject memories with different alias sets.
3596 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
3598 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
3599 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
3600 (f_options): Add "bounded-pointers" and "bounds-check" entries.
3601 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
3602 (lang_init): Set default for flag_bounds_check if still "unspecified".
3604 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3606 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
3608 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3610 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
3613 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3615 * config/c4x/c4x.md (*db_noclobber,
3616 *decrement_and_branch_until_zero_noclobber): New patterns and
3617 associated splitters.
3619 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3621 * config/c4x/c4x.md (parallel instruction patterns): Rework
3622 constraints to keep reload happy.
3624 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3626 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
3627 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
3628 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
3629 Add new patterns and associated post-reload splitters.
3631 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3633 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
3635 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3637 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
3639 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
3641 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3643 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
3646 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
3648 * pa.c (move_operand): Rely on memory_address_p to determine the
3649 validity of non-indexed memory addresses.
3650 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
3651 operand in DFmode and SFmode when generating PA2.0 code.
3653 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
3655 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
3657 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
3659 * mips.c (function_prologue): Fix argument types.
3660 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
3661 (casesi_internal): Write to the scratch register.
3663 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
3665 * cppexp.c (cpp_parse_escape): Make static. Change second arg
3667 (parse_charconst): Delete unnecessary cast when calling
3669 (cpplib.h): Kill prototype of cpp_parse_escape.
3671 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
3673 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
3674 * unroll.c (unroll_loop): Cast return value of alloca.
3675 * i370/i370.c: Include function.h and toplev.h.
3676 (i370_label_scan): Remove c++ commented abort.
3677 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
3678 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
3679 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
3680 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
3682 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
3684 * config/t-freebsd: Do not override USER_H.
3685 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
3687 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
3688 Mumit Khan <khan@xraylith.wisc.edu>
3690 * c-parse.in (component_decl): Support anonymous struct/union.
3692 * c-parse.y: Regenerate.
3693 * c-parse.c: Likewise.
3694 * objc/objc-parse.y: Likewise.
3695 * objc/objc-parse.c: Likewise.
3696 * c-decl.c (finish_struct): Don't sort the fields.
3697 (field_decl_cmp): Delete unused function.
3699 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
3701 * sparc.md (movsf_const_intreg): Revert last constraint change.
3702 (movdf_const_intreg_sp32): Likewise.
3704 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
3706 * cse.c: Include hashtab.h instead of splay-tree.h
3707 (struct cse_reg_info): No longer use variant union. Add new
3708 field "regno". All references changed to avoid union.
3709 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
3710 (free_cse_reg_info): Remove.
3711 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
3712 (get_cse_reg_info): Revamp to use expandable hash tables instead
3713 of splay trees. Initialize new fields in cse_reg_info structure.
3714 (new_basic_block): Similarly.
3716 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
3718 * genrecog.c (message_with_line): Prototype.
3719 (validate_pattern): Pass along the set for the dest, not a flag.
3720 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
3721 Check for PC/CC0 as sources.
3722 (nodes_identical): Check for children position match before
3723 allowing the combination.
3725 * rtl.c (read_rtx): Track line number across \\\n.
3727 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
3729 * mips.h (SPECIAL_MODE_PREDICATES): New.
3730 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
3731 (movdi+1, movsi+1): Add output reload constraint.
3732 (casesi_internal): Likewise. Fix commentary.
3733 (return_internal): Use pmode_register_operand.
3735 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
3737 * 1750a.md (movstrqi): Add missing output reload constraint.
3738 (call_value): Likewise.
3739 * a29k.md (cpxxx patterns): Add missing match_operator mode.
3740 (jmpfdec): Add missing inout reload constraint.
3741 * elxsi.md (addsi patterns): Add missing output reload constraint.
3742 (move from sp): Use @ alternates.
3743 (call_value): No constraint on output.
3744 * fr30.md (movsi_pop): Add missing output reload constraint.
3745 (movsf_constant_store): Likewise.
3746 (splits): Remove constraints.
3747 (subsi3): Add missing mode.
3748 * i370.md (cmpstrsi+1): Add missing output reload constraint.
3749 (call_value): Likewise.
3750 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
3751 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
3752 * m32r.md (movsicc_internal): Add output reload constraint.
3753 (movstrsi_internal): Add inout reload constraints.
3754 * m88k.h (reg_names): Don't declare.
3755 (SPECIAL_MODE_PREDICATES): New.
3756 * m88k.md (*): Use register_operand not reg_or_0_operand
3758 * mn10200.h (PREDICATE_CODES): New.
3759 * ns32k.md (ffs pattern): Add output reload constraint.
3760 * pdp11.md (sob pattern): Add inout reload constraint.
3761 * sh.md (splits): Remove constraints.
3762 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
3763 * v850.md (pattern_is_ok_for_epilogue): Likewise.
3764 * vax.md (jgequ pattern): Add inout reload constraint.
3766 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
3768 * configure.in (djgpp): Revert previous patch.
3769 * configure: Rebuit.
3770 * config/i386/djgpp.h: Revert previous patch.
3772 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
3774 * fixinc/inclhack.def: Restore patch lost during last merge of
3775 "no_bogosity" branch.
3776 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
3778 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
3780 * fixincludes: Add a HPUX 11 fix for inttypes.h.
3781 * fixinc/inclhack.def: Same.
3782 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
3784 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
3786 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
3787 as the base of a PLUS.
3789 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3791 * config/c4x/c4x.md: Define mode for remaining unspec operators.
3792 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
3794 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
3796 * pa.md (post_stw+1): Use pmode_register_operand.
3797 (dcacheflush, icacheflush): Likewise.
3799 * i386.md (movstricthi_1): Allow r/r.
3801 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
3803 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
3804 to (not (and (arg0) (arg1))). Similary for and.
3806 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
3807 falltrought to assocate code.
3808 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
3811 * combine.c (simplify_logical): Convert XOR to IOR if operands have
3812 no bits in common; remove XOR to ROTATE conversion.
3814 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3816 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
3818 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3820 * config/c4x/c4x.c (dst_operand): New.
3821 (PREDICATE_CODES): Update.
3822 * config/c4x/c4x.h (dst_operand): Declare it.
3823 * config/c4x/c4x.md: Define mode for each unspec usage.
3824 (move patterns): Use dst_operand predicate instead of src_operand.
3825 (movqi_update, movqf_update): Delete.
3827 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
3829 * recog.c (pmode_register_operand): New.
3830 * recog.h: Declare it.
3831 * genrecog.c (pred_codes): Likewise.
3832 (special_mode_pred_table): Likewise.
3833 (validate_pattern): Don't warn no mode for address_operand.
3835 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
3836 if the operand is not insn-like.
3838 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
3839 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
3841 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
3843 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
3845 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
3846 instead of general_operand in a SET_DEST. Use const_double_operand
3847 instead of an explicit test against CONST_DOUBLE.
3848 (movsf_const_lo): Add missing register mode.
3849 (goto_handler_and_restore): Add auxiliary test for Pmode.
3850 (flush): Adjust to use address_operand.
3851 (return_sf_no_fpu): Add missing output constraint.
3853 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
3855 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
3856 for call return value.
3857 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
3859 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
3861 * toplev.c (main): Only warn about options for other languages.
3862 * collect2.c (main): Pass -w to sub-gcc.
3864 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
3866 * flow.c (propagate_block): Add call-clobbered registers to
3869 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
3870 zapping mem_set_list.
3871 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
3872 (mark_set_1, mark_used_regs): Likewise.
3874 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
3876 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
3878 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3880 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
3881 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
3882 options. Also add a new item "C-only Warning Options" to the
3885 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
3887 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
3888 from multiple calls.
3890 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
3892 * i386.md (call value patterns): Move to the end of the file.
3893 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
3895 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
3897 * configure.in (djgpp configuration): Define extra_objects..
3898 * configure: Rebuilt.
3899 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
3900 (DTORS_SECTION_ASM_OP): Define.
3901 (INIT_SECTION_ASM_OP): Define.
3902 (FINI_SECTION_ASM_OP): Define.
3903 (DATA_SECTION_ASM_OP): Define.
3904 (TEXT_SECTION_ASM_OP): Define.
3905 (EH_FRAME_SECTION_ASM_OP): Define.
3906 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
3907 (STARTFILE_SPEC): Add crtbegin.o.
3908 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
3909 to here from LINK_COMMAND_SPEC.
3910 (DO_GLOBAL_CTORS_BODY): Define.
3911 (CRTSTUFF_USE_FINI_SECTION): Define
3912 (HAS_INIT_SECTION): Delete.
3914 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
3916 * Makefile.in (all.cross): Depend on xcpp$(exeext).
3918 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
3920 * pa.h (PREDICATE_CODES): New.
3922 * genrecog.c (validate_pattern): Condense the destination
3925 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
3927 * alpha.md (call-1): Supply missing mode for operator.
3928 (*): Add missing output reload constraints. Remove constraints
3931 * i386.h (SPECIAL_MODE_PREDICATES): New.
3932 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
3933 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
3934 (addsi_lea_3): Add missing mode for op 3.
3935 (prologue_set_got, prologue_get_pc): Add missing modes.
3936 (*) Add missing output reload constraints.
3938 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
3940 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
3941 check for member bit-size overflow and use var_size if it occurs.
3942 (layout_record): Use bitsize_int() to define the type size in bits.
3943 Likewise for computation and assignment to DECL_FIELD_BITPOS.
3944 (layout_decl): Likewise when assigning to DECL_SIZE.
3946 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
3948 * genrecog.c (validate_pattern): Typo last change. Verify
3949 that output operands have output reloads.
3951 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
3953 * genrecog.c (special_mode_pred_table): New.
3954 (NUM_SPECIAL_MODE_PREDS): New.
3955 (find_operand): New.
3956 (validate_pattern): New argument `insn'. Warn for assignment to
3957 any predicate accepting non-lvalues. Conditionaly warn for
3958 match_operand without a mode. Try much harder to match source
3959 and destination modes on a set.
3960 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
3962 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
3964 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
3966 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
3968 * combine.c (simplify_logical): Recognize xor pattern that encodes
3971 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3973 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
3976 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
3978 * ggc-page.c (MAP_FAILED): Provide default.
3980 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
3982 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
3983 * sparc.h (PREDICATE_CODES): Update.
3985 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
3987 * alpha.c (some_ni_operand): New.
3988 * alpha-protos.h: Declare it.
3989 * alpha.h (PREDICATE_CODES): Update.
3990 * alpha.md (sXaddq reload insns): Use some_ni_operand
3991 for SET_DEST instead of some_operand.
3993 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
3994 Jim Wilson <wilson@cygnus.com>
3996 * genrecog.c (maybe_both_true_2): Don't compare modes of
3998 (process_tree): Elide peephole2_insns. Invoke simplify_tests
3999 after find_afterward.
4000 (debug_decision_1): Dump next and afterward codes.
4002 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
4004 * rtl.c (dump_and_abort): Remove.
4005 (fatal_with_file_and_line): New.
4006 (fatal_expected_char): New.
4007 (read_rtx_lineno, read_rtx_filename): New.
4008 (read_skip_spaces): Track line number.
4009 (read_name): Use fatal_with_file_and_line.
4010 (read_rtx): Use fatal_expected_char. Track line number.
4011 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
4013 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
4014 if it isn't a CODE_LABEL.
4016 * genattr.c (main): Set read_rtx_filename.
4017 * genattrtab.c (main): Likewise.
4018 * gencodes.c (main): Likewise.
4019 * genconfig.c (main): Likewise.
4020 * genemit.c (main): Likewise.
4021 * genextract.c (main): Likewise.
4022 * genflags.c (main): Likewise.
4023 * genopinit.c (main): Likewise.
4024 * genoutput.c (main): Likewise.
4025 * genpeep.c (main): Likewise.
4027 * genrecog.c (decision_test.u.insn): Add `lineno'.
4028 (pattern_lineno, error_count): New variables.
4029 (message_with_line): New.
4030 (add_to_sequence): Break out checking code to ...
4031 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
4032 (merge_insn): Use message_with_line.
4033 (make_insn_sequence): Use validate_pattern. Record insn lineno.
4034 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
4036 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4038 * expr.c (store_constructor): Clear union if constructor is empty.
4040 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
4042 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
4043 Add !endian checks. Change %{...} to %(...).
4045 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
4047 * i386.md (*addsi3_cc): Renamed from addcsi3.
4048 (*addsi3_carry): Renamed from addxsi3.
4049 (*subsi3_cc): Renamed from subcsi3.
4050 (*subsi3_carry): Renamed from subxsi3.
4051 (*xorqi_cc_1): Renamed from xorcqi_1.
4052 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
4053 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
4055 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
4057 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
4058 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
4060 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
4062 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
4063 climb up the chain of insns.
4065 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
4067 * genrecog.c (write_subroutine): Careful for null trees.
4068 (process_tree): Don't elide empty functions.
4070 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
4072 * Makefile.in (genrtl.o): Depend on ggc.h.
4073 * configure.in (valloc): Probe for it.
4074 (with-gc): Use ggc-page if valloc present.
4075 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
4076 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
4077 (ggc_alloc_string): Moved from ggc-page.c.
4078 * ggc-none.c (ggc_alloc_obj): New.
4079 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
4080 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
4081 (struct globals): Likewise for dev_zero_fd.
4082 (init_ggc): Likewise for it's initialization.
4083 (ggc_allocated_p): Move careful dereference from ...
4084 (ggc_lookup_page_table): ... here. Delete.
4085 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
4086 (alloc_anon): Use valloc if no mmap.
4087 (release_pages): Use free if using valloc.
4088 (ggc_alloc_obj): Renamed from alloc_obj.
4089 (ggc_set_mark): Renamed from mark_obj.
4090 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
4091 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
4092 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
4093 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
4094 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
4095 (ggc_collect): Use fp printing instead of our own rounding.
4096 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
4097 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
4098 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
4099 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
4100 (struct ggc_string, struct ggc_any): Delete.
4101 (offsetof): Provide default definition.
4102 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
4104 (struct ggc_mem): New, from corpse of ggc_any.
4105 (struct ggc_status): Delete.
4106 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
4107 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
4108 (n_strings_collected, n_anys_collected): Delete.
4109 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
4110 (ggc_alloc_string, ggc_alloc): Delete.
4111 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
4112 (ggc_free_string, ggc_free_any): Delete.
4113 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
4114 (ggc_compare_addresses, ggc_mark_string): Delete.
4115 (ggc_mark_string_if_gcable, ggc_mark): Delete.
4116 (search_data): Delete.
4117 (struct globals): New.
4118 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
4119 (tree_insert, tree_lookup): New.
4120 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
4121 (clear_marks, sweep_objs): New.
4122 (ggc_collect): Gut. Use clear_marks, sweep_objs.
4123 (init_ggc): Set allocated_last_gc.
4124 (ggc_push_context): Gut. Use G.context.
4125 (ggc_pop_context): Likewise.
4126 (ggc_pop_context_1): New.
4127 (debug_ggc_tree): New.
4128 (debug_ggc_balance, tally_leaves): New.
4129 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
4130 (ggc_mark_string_if_gcable): Remove decl.
4131 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
4132 (ggc_mark_rtvec_children): New.
4133 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
4134 (ggc_mark_if_gcable): New decl.
4135 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
4136 (ggc_alloc_tree, ggc_alloc): Likewise.
4137 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
4138 (ggc_alloc_obj): New decl.
4139 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
4140 (ggc_alloc_tree, ggc_alloc): Likewise.
4141 (ggc_set_mark): New decl.
4142 * rtl.h (struct rtx_def): Remove gc_mark.
4143 (struct rtvec_def): Likewise.
4144 * tree.h (struct tree_common): Likewise.
4146 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
4148 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
4149 float_format and thread_file definitions.
4150 * configure: Rebuilt.
4152 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
4154 * extend.texi (Function Names): Document types of function names.
4156 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4158 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
4159 an earlyclobbered output conflict with RELOAD_INPUT reloads.
4161 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4163 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
4165 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4167 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
4169 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
4171 * collect2.c (main): Do prelimnary link on AIX if rflag.
4173 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4175 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
4176 __CTOR_LIST__ in opposite order, which is the correct order for sorted
4178 (__do_global_dtors): similarly for __DTOR_LIST__.
4180 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4181 Diego Novillo <dnovillo@cygnus.com>
4183 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
4186 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
4188 * fixincl/*: Merged "no_bogosity" branch
4189 * fixincl/fixlib.h: protect against doubly defining t_bool
4190 * fixincl/server.h: protect against doubly defining t_bool
4192 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
4194 * genoutput.c: Include toplev.h.
4196 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
4198 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4200 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
4201 * configure: Regenerate.
4203 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
4205 * gcse.c (delete_null_pointer_checks): Returns void.
4207 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4209 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
4210 * emit-rtl.c (copy_insn_1): Likewise.
4212 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
4214 * config/mips/mips.c (mips_build_va_list): Correct
4215 TREE_CHAIN setting when hard-float.
4216 (mips_va_start): Use corrected setting.
4217 (mips_va_arg): Likewise. Also pass a tree to build of
4218 POSTINCREMENT_EXPR rather than a naked 'int'.
4220 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
4222 * ggc.h (ggc_push_context): Fix comment.
4223 (ggc_pop_context): Likewise.
4224 (mark_string_if_gcable): Likewise.
4225 * ggc-common.c (ggc_mark_rtx_children): Use
4226 ggc_mark_string_if_gcable.
4227 * ggc-page.c (ggc_lookup_page_table): New function.
4228 (ggc_allocated_p): Likewise.
4229 (mark_obj): Fix formatting.
4230 (ggc_mark_string_if_gcable): New function.
4231 * ggc-simple.c (ggc_allocated_strings): New variable.
4232 (ggc_strings_used): Likewise.
4233 (ggc_compare_addresses): New function.
4234 (ggc_pop_context): Pop the `any' memory too.
4235 (ggc_mark_string_if_gcable): New function.
4236 (ggc_collect): Initialize and tear down ggc_allocated_strings.
4238 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
4240 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
4241 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
4242 * rs6000.c (expand_block_move): Match movstrsi_?reg register
4245 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
4247 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
4248 (sched_reg_live_length, sched_reg_basic_block): Delete.
4249 (current_block_num, bb_live_regs, old_live_regs): Delete.
4250 (dead_notes, struct sometimes): Delete.
4251 (sched_note_set, birthing_insn_p): Delete.
4252 (adjust_priority): Gut useless reg lifetime code.
4253 (create_reg_dead_note, attach_deaths): Delete.
4254 (attach_deaths_insn, new_sometimes_live): Delete.
4255 (finish_sometimes_live): Delete.
4256 (find_pre_sched_live, find_post_sched_live): Delete.
4257 (update_reg_usage): Delete.
4258 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
4259 (schedule_insns): Delete reg lifetime code.
4260 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
4261 (unlink_other_notes): Adjust REG_NOTE commentary.
4262 (reemit_notes): Use REG_SAVE_NOTE.
4263 (schedule_block): Likewise.
4264 (schedule_region): Allocate bitmap of blocks in region. Use
4265 count_or_remove_death_notes. Use update_life_info.
4267 * rtl.h (REG_SAVE_NOTE): New.
4268 * rtl.c (reg_note_name): Update.
4270 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
4272 * combine.c (refresh_blocks, need_refresh): New.
4273 (combine_instructions): Allocate refresh_blocks. Invoke
4274 update_life_info if needed.
4275 (distribute_notes): Mark refresh_blocks instead of installing
4277 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
4278 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
4280 * Makefile.in (recog.o): Depend on basic-block.h.
4282 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
4284 * genrecog.c (add_to_sequence): Thinko last change: delete
4285 shadowing allow_const_int variable.
4287 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4289 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
4290 __GNUC__ and __GNUC_MINOR__.
4292 * gansidecl.h: Likewise.
4298 * toplev.h: Likewise.
4304 * varray.c: Likewise.
4306 * varray.h: Likewise.
4308 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4310 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
4311 use one before a jump table.
4313 * rtl.def (ADDRESS): Change documentation to match reality.
4314 * md.texi: Don't document it.
4315 * gmicro.md (load address pattern): Use 'p' constraint, delete use
4318 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
4320 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
4322 * genrecog.c (add_to_sequence): Move allow_const_int test outside
4323 known predicate block; default allow_const_int true.
4324 (debug_decision_list): New.
4326 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
4328 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
4330 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
4332 * gcse.c (gcse_main): Avoid global optimizations if we have a
4333 large number of basic blocks and the ratio of edges to blocks
4335 (delete_null_pointer_checks): Likewise.
4337 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
4339 * c-common.c (check_format_info): Warn if format string isn't a
4342 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4344 * configure.in (arm*-*-*): Don't let autoconf remove brackets
4345 * configure: regenerate
4347 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
4349 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
4350 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
4351 (peepholes): Re-enable.
4353 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
4355 * Makefile.in (flow.o): Depend on TREE_H.
4356 * basic-block.h (REG_SET_EQUAL_P): New.
4359 (free_regset_vector): Remove declaration.
4360 (flow_delete_insn_chain): Declare.
4361 (enum update_life_extent): New.
4362 (update_life_info, count_or_remove_death_notes): Declare.
4363 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
4364 Verify register live at bb->global_live_at_start before adding USE.
4365 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
4366 (CLEAN_ALLOCA): New.
4368 (PROP_*): New flags.
4369 (find_basic_blocks_1): Use alloc_EXPR_LIST.
4370 (clear_edges): Zero n_edges.
4371 (make_edge): Increment n_edges.
4372 (split_edge): Don't allocate bb->local_set. Increment n_edges.
4373 (flow_delete_insn_chain): Export.
4374 (delete_block): Decrement n_edges.
4375 (merge_blocks_nomove): Likewise.
4376 (life_analysis): Give life_analysis_1 PROP flags.
4377 (verify_wide_reg_1, verify_wide_reg): New.
4378 (verify_local_live_at_start): New.
4379 (update_life_info): Rewrite to call into propogate_block.
4381 (mark_regs_live_at_end): After reload, if epilogue as rtl,
4382 always mark stack pointer. Conditionally mark PIC register.
4383 After reload, mark call-saved registers, return regsiters.
4384 (life_analysis_1): Accept PROP flags not remove_dead_code.
4385 Call mark_regs_live_at_end before zeroing regs_ever_live.
4386 Use calculate_global_regs_live. Copy global_live_at_end before
4387 calling final propagate_block. Zero reg_next_use on exit.
4388 (calculate_global_regs_live): New.
4389 (allocate_bb_life_data): Don't allocate bb->local_set.
4390 (init_regset_vector, free_regset_vector): Remove.
4391 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
4392 Test flags before every operation. Warn if prologue/epilogue insn
4393 would have been deleted.
4394 (mark_set_regs, mark_set_1): Accept and use FLAGS.
4395 Use alloc_EXPR_LIST.
4396 (mark_used_regs): Accept and use FLAGS, not FINAL.
4397 Remove special handling for RETURN.
4398 (try_pre_increment): Use alloc_EXPR_LIST.
4399 (dump_flow_info): Dump n_edges.
4400 (unlink_insn_chain, split_hard_reg_notes): Remove.
4401 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
4402 (find_insn_with_note, new_insn_dead_notes): Remove.
4403 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
4404 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
4405 (replace_insns): Remove.
4406 (count_or_remove_death_notes): New.
4407 (verify_flow_info): Abort on error after all checks.
4408 (remove_edge): Decrement n_edges.
4409 (remove_fake_edges): Tweek format.
4410 * haifa-sched.c (schedule_insns): Use split_all_insns.
4411 * output.h (update_life_info): Remove declaration.
4412 * recog.c (split_all_insns): From the corpse of split_block_insns,
4413 do the whole function block by block. Use update_life_info.
4414 (recog_last_allowed_insn): New.
4415 (recog_next_insn): Mind it.
4416 (peephole2_optimize): Set it. Walk backwards through blocks.
4417 Use update_life_info.
4418 * rtl.h (update_flow_info, replace_insns): Remove declarations.
4419 (split_all_insns): Declare.
4420 * toplev.c (rest_of_compilation): Thread prologue before flow2.
4421 Use split_all_insns.
4423 * i386.md (or -1 peep2s): Disable.
4425 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
4427 * config/mips/mips.md (movstrsi+[123]) : Combine these into
4428 a single pattern. Scrap the 'd' versions as unnecessary.
4430 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
4431 tablejump_mips162,tablejump_internal4): The operands to a
4432 label_ref must be VOIDmode.
4434 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4436 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
4438 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
4440 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
4442 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
4444 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
4445 cache every function if ggc_p.
4447 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4449 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
4450 instead of copy_rtx. Accept sequences that contain asm statements.
4451 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
4452 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
4453 orig_asm_operands_vector, copy_asm_operands_vector,
4454 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
4456 * rtl.h (copy_insn, copy_insn_1): Declare.
4458 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4460 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
4462 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
4463 arguments to `current_file_function_operand'.
4465 * genrecog.c: Include hard-reg-set.h and resource.h in the
4466 generated output file.
4468 * real.c: Include tm_p.h.
4470 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4472 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
4475 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
4477 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
4478 before the fctiwz insn.
4480 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4481 Mark Mitchell <mark@codesourcery.com>
4483 * tree.c (make_lang_type_fn): New funtion pointer.
4484 (make_lang_type): Call it.
4485 * tree.h (make_lang_type): Declare.
4486 (make_lang_type_fn): Likewise.
4487 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
4489 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
4491 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
4492 make sure that HIGH instructions are copied into BASE_REGS.
4494 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
4496 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
4498 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
4500 * c-decl.c (finish_struct): Use simpler method of
4501 removing elements of a singly-linked list.
4503 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
4505 * alpha.md (peephole2's): Comment out peephole2's that generate
4508 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
4510 * genrecog.c (add_to_sequence): Disable mode check for
4513 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4515 * ggc-simple.c (init_ggc): Set empty_string.
4517 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
4519 * configure.in: Detect mmap. Add --with-gc=foo to select
4520 garbage collector; default to page if mmap available.
4521 * Makefile.in (GGC): Substitute.
4523 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
4525 * c-decl.c (ggc_p): Enable.
4527 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4529 * flow.c (verify_flow_info): Make it extern & unconditionally define.
4531 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
4533 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
4534 string for little-endian-data.
4536 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
4538 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
4539 case somebody tries to compile --enable-checking code with gcc
4542 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
4544 * genrecog.c (add_to_sequence): Verify operand to label_ref is
4547 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
4549 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
4550 * jump.c (jump_optimize_1): Document why.
4552 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4554 * collect2.c (scan_prog_file, scan_libraries): Prototype function
4555 pointers and casts for `int_handler' and `quit_handler'.
4557 * flow.c (verify_flow_info, split_hard_reg_notes,
4558 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
4559 remove_edge, remove_fake_successors): Add static prototypes.
4560 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
4561 (mark_set_1): Initialize variable `regno'.
4562 (unlink_insn_chain): Likewise for variable `curr'.
4563 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
4565 * loop.c (strength_reduce): Initialize variable
4566 `unrolled_insn_copies'.
4567 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
4568 prototypes. Change these functions to take const PTR parameters
4569 to avoid prototype conflict when used as the comparson argument
4571 (check_dbra_loop): Initialize variable `comparison_val'.
4573 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
4574 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
4575 (find_valid_class): Initialize variable `best_class'.
4576 (find_reloads): Call memcpy, not bcopy.
4578 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
4579 (hard_reg_use_compare): Don't needlessly cast away const.
4580 (reload_reg_class_lower): Likewise.
4581 (choose_reload_regs): Initialize variable `regno'.
4583 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
4585 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
4587 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
4589 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
4590 ({,d}discard): Add forward declarations. Declare parameter as
4592 (main_without_main): Explicitly declare return type to be int.
4593 (memcpy): Properly declare.
4595 * libgcc2.c (toplevel): If inhibit_libc is defined and not
4596 building the trampoline support, declare malloc, free, and
4598 (__clear_cache): Mark arguments as potentially unused.
4600 * frame.c (toplevel): If inhibit_libc is defined, declare
4603 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
4605 * flow.c (make_edge): Accept an optional 2D bitmap in which
4606 to cache edge existence. Update all callers.
4607 (make_label_edge, make_eh_edge): Pass through the edge cache.
4608 (make_edges): Provide the cache.
4610 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4612 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
4614 (local_mbtowc): Change the type of variable `i' from int to size_t.
4616 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
4617 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
4619 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
4621 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
4622 after other includes that define the appropriate types. Include
4623 tm_p.h for getting user prototypes.
4624 * ggc-callbacks.c (toplevel): Ditto.
4625 * ggc-none.c (toplevel): Ditto.
4626 * gcc-page.c (toplevel): Ditto.
4627 * ggc-simple.c (toplevel): Ditto.
4629 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
4630 Jonathan Larmour <jlarmour@cygnus.co.uk>
4632 * config/mips/mips.c (mips_move_2words): Split doubles if
4633 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
4635 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
4637 * genrecog.c (struct decision_test): New.
4638 (struct decision): Remove test-related members, sort the rest by size.
4639 (IS_SPLIT): Simplify.
4640 (new_decision, new_decision_test): New.
4641 (add_to_sequence): Use them. No special handling for args of
4643 (maybe_both_true): Renamed from not_both_true; return sense changed.
4644 (maybe_both_true_1, maybe_both_true_2): New. Broken out
4645 of maybe_both_true and adjusted for decision_test.
4646 (position_merit): Remove.
4647 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
4648 (merge_accept_insn): New, broken out of merge_trees.
4649 (merge_trees): Use them. No special case for c_test; no node
4650 splitting; use test type instead of position_merit.
4651 (factor_tests): New.
4652 (simplify_tests): New.
4653 (break_out_subroutines): Don't write code now.
4654 (find_afterward): New.
4655 (write_afterward, write_switch, write_cond): New.
4656 (write_action, is_unconditional): New.
4657 (write_node): New. Use them.
4658 (write_tree_1): Rewrite. Use the new functions above.
4659 (write_tree): Remove afterward processing.
4660 (write_subroutine): Simplify function variant emission.
4661 (write_subroutines): New.
4662 (same_codes, clear_codes): Remove.
4663 (same_modes, clear_modes): Remove.
4664 (write_header): New, broken out of main.
4665 (make_insn_sequence): Use new_decision and new_decision_test.
4666 (process_tree): New, broken out of main.
4667 (main): Adjust for merge_trees interface change.
4668 Don't #define operands in the output file.
4669 (record_insn_name): New, broken out of make_insn_sequence.
4670 (debug_decision_2, debug_decision_1, debug_decision_0): New.
4671 (debug_decision): New.
4673 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
4675 * resource.c (find_free_register): Mark class_str argument const.
4676 * resource.h: Update prototype to match.
4678 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
4679 * i386.md: Give all anonymous insns names.
4681 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
4683 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
4686 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
4688 * toplev.c (dbr_sched_time): Unconditional.
4689 (peephole2_time): New.
4690 (compile_file): Add pass numbers to all of the dump file suffixes.
4691 Dump peephole2_time. Don't dump times for non-applicable passes.
4692 (rest_of_compilation): Add pass numbers to dump file suffixes.
4693 Conditionalize calls to the scheduler.
4694 * invoke.texi: Update.
4696 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
4698 * flow.c (make_edges): Fix insn iteration.
4699 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
4700 (find_basic_blocks_1): Fix spelling mistake.
4702 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
4704 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
4705 always have side-effects. Use memset not bzero.
4706 (make_node): Likewise.
4708 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
4710 * stmt.c (expand_anon_union_decl): When any of the elements of the
4711 union is addressable, so is the entire union.
4713 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
4715 * sbitmap.c (sbitmap_ones): Don't set too many bits.
4717 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
4718 * bitmap.c (bitmap_operation): Return true iff TO changed.
4719 (bitmap_equal_p): New.
4720 (bitmap_bit_p): Tidy arithmetic.
4721 (debug_bitmap_file): Likewise.
4723 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
4725 * toplev.c (rest_of_compilation): Turn on cse_not_expected
4726 before cse2 instead of after.
4728 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
4730 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
4733 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4735 * cppinit.c (is_idchar initializer): Loosen tests to accept
4738 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
4740 * mips.md: Define conditional move patterns for floating point
4741 operands and DI mode conditions.
4743 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
4745 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
4746 always have side-effects.
4748 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
4750 * mn10200.c (asm_file_start): Fix typo.
4752 * cppinit.c (is_idchar initializer): Tighten tests for when
4753 to put the table into initialized memory.
4755 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
4756 not an array of rtunion.
4757 * gcc-page.c (ggc_alloc_rtvec): Similarly.
4758 * gcc-simple (ggc_free_rtvec): Similarly.
4760 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
4763 * mbchar.h: Add missing #endif.
4765 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
4766 (FPBIT, DPBIT): Define.
4768 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4770 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
4772 * profile.c (instrument_arcs, output_gcov_string,
4773 tablejump_entry_p): Add static prototypes.
4774 (output_gcov_string): Constify a char*.
4776 * regmove.c (replacement_quality, fixup_match_2): Add static
4779 * resource.h (reg_dead_p): Add extern prototype.
4781 * rtl.c (trim_filename): Add static prototype.
4783 * scan-decls.c (skip_to_closing_brace): Likewise.
4785 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
4786 (expand_end_case): Initialize variable `range'.
4787 (emit_case_nodes): Remove unused prototype `rtx_fn'.
4789 * varasm.c (asm_emit_uninitialised): Add static prototype.
4790 (asm_emit_uninitialised, assemble_variable): Mark parameter with
4793 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4795 * cpplib.c (if_directive_nameo): Add static prototype.
4797 * cse.c (cse_insn): Remove unused variable `p'.
4799 * except.c (create_rethrow_ref, push_entry,
4800 receive_exception_label, new_eh_region_entry, find_func_region,
4801 clear_function_eh_region, process_nestinfo): Add static prototypes.
4802 (get_reg_for_handler): Hide definition.
4803 (process_nestinfo): Initialize variable `extra_handlers'.
4805 * expr.h (expand_builtin_longjmp): Add extern prototype.
4807 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
4809 * function.c (prepare_function_start): Likewise.
4810 (pop_function_context_from): Mark parameter `context' with
4812 (push_temp_slots_for_block, flush_addressof): Hide definition.
4814 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
4815 solve_program_flow_graph, calculate_branch_probs,
4816 function_summary, main, fancy_abort): Add prototypes.
4818 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
4819 (add_hash): Constify a char*.
4821 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
4822 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
4823 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
4825 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
4827 * lists.c (free_list, zap_lists): Likewise.
4829 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4831 * alias.c (nonlocal_reference_p): Add static prototype.
4833 * bitmap.c (bitmap_element_allocate): Prototype args in function
4836 * builtins.c (stabilize_va_list): Add static prototype.
4837 (expand_builtin_va_arg): Constify a char*.
4839 * c-lex.c (getch, put_back, extend_token_buffer_to,
4840 read_line_number, token_getch, token_put_back): Add static
4843 * c-parse.gperf (hash, is_reserved_word): Likewise.
4845 * cccp.c (is_dir_separator): Likewise.
4847 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4849 * graph.h: New file to prototype functions exported by graph.c.
4851 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
4853 * graph.c: Include graph.h.
4855 * toplev.c: Likewise. Remove redundant prototypes.
4857 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
4859 * invoke.texi: Removed duplicated description for -Q.
4861 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
4863 * extend.texi: Grammar fix in __extension__ text.
4865 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
4867 * md.texi (define_peephole2): New section.
4869 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
4871 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
4872 (mov $-1 to or peepholer): Enable for pentium when optimizing for
4875 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
4877 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
4879 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
4881 * i386.md (ffs expander): Emit Pentium friendly code for
4884 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
4886 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
4890 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4892 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
4894 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
4896 * config/m68k/m68k.c (use_return_insn): Return false if the pic
4899 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4901 * md.texi (No Constraints): Delete section.
4902 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
4903 * final.c (final_scan_insn): We always have register constraints.
4904 * genattrtab.c: Don't include "insn-config.h".
4905 (write_attr_case): We always have register constraints.
4906 * genconfig.c (register_constraint_flag): Delete.
4907 (walk_insn_part): Don't check whether we have register constraints.
4908 (main): Don't write out "#define REGISTER_CONSTRAINTS".
4909 * genoutput.c (have_constraints): Delete.
4910 (main): Don't set it.
4911 (output_operand_data): We always have constraints.
4912 (scan_operands): Likewise.
4913 (compare_operands): Likewise.
4914 * local-alloc.c (block_alloc): We always have constraints.
4915 (requires_inout): Always compile this function.
4916 * recog.c (extract_insn): We always have constraints.
4917 (constrain_operands, reg_fits_class_p): Always compile these
4919 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
4921 (struct insn_operand_data): Likewise.
4922 * regclass.c (regclass): We always have constraints.
4923 (record_reg_classes, copy_cost, record_address_regs,
4924 auto_inc_dec_reg_p): Always compile these functions.
4925 * regmove.c (regmove_optimize): We always have constraints.
4926 * reload.c (find_reloads): Likewise.
4927 * reload1.c (reload): Likewise.
4928 (reload_cse_simplify_operands): Likewise.
4929 * i860.c (output_delay_insn): Likewise.
4931 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
4933 * iris6.h (BUILD_VA_LIST_TYPE): Define.
4935 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4937 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
4938 for the va_list record.
4940 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
4942 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
4945 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
4947 * alias.c: Include insn-flags.h.
4948 * Makefile.in (alias.o): Update.
4950 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
4952 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
4953 to LTU and GEU. Handle more cases using sbb.
4955 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
4957 * i386.md (truncatexfdf splitters): Do not use subreg.
4958 (fop XFmode patterns): Fix mode in operand testing.
4960 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
4962 * jump.c (jump_optimize_1): Amend last change to test only the
4963 form of the operand, not the insn.
4965 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
4966 not register_operand to determine when B may need preloading.
4968 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
4970 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
4971 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
4972 (call-value patterns): Move to end of file.
4973 (*): Remove mode from label_ref in (pc) context.
4974 (movstrqi): Use memory not general_operand for BLKmode operands.
4975 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
4976 to register_operand operands.
4977 (peep2 patterns): Convert from commented-out peephole patterns.
4979 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4981 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
4982 to BUILT_IN_INIT_DWARF_REG_SIZES.
4983 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
4984 Renamed from BUILT_IN_DWARF_REG_SIZE; call
4985 expand_builtin_init_dwarf_reg_sizes.
4986 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
4987 with __builtin_init_dwarf_reg_size_table.
4988 * dwarf2out.c (struct reg_size_range): Delete.
4989 (expand_builtin_init_dwarf_reg_sizes): New function.
4990 (expand_builtin_dwarf_reg_size): Delete.
4991 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
4992 (expand_builtin_dwarf_reg_size): Don't declare.
4993 * libgcc2.c (dwarf_reg_size_table_initialized): New.
4994 (dwarf_reg_size_table): New.
4995 (init_reg_size_table): New function.
4996 (copy_reg): Use dwarf_reg_size_table.
4997 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
5000 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
5002 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
5003 Correctly build argument list to constructor and destructor functions.
5005 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
5007 * c-tree.h (warn_float_equal): Declare.
5008 * c-decl.c (warn_float_equal): Define.
5009 (c_decode_option): Recognize -W[no-]float-equal.
5010 * c-typeck.c (build_binary_op): Conditionally warn
5011 about equality tests of floating point types.
5012 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
5013 * invoke.texi: Add docs for -Wfloat-equal warning.
5015 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
5017 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
5018 generating RTL directly.
5019 * mips.h (INIT_TARGET_OPTABS): Likewise.
5020 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
5022 * expr.h (init_mov_optab): Delete declaration
5024 * h8300.c (WORD_REG_USED): Update to avoid useless register
5025 saves in interrupt functions and functions which never return.
5027 * cse.c (struct set): Delete inner_dest_loc field.
5028 (cse_insn): Remove assignments to inner_dest_loc field.
5030 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
5032 * ggc-page.c: Don't include <unistd.h> etc taken care of
5033 by "system.h". Include <sys/mman.h> afterward.
5035 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
5037 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
5040 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
5042 * xcoffout.c (xcoffout_declare_function): Add documentation.
5043 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
5044 TARGET_64BIT. Compare constant to -1, not bit pattern.
5045 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
5046 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
5049 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
5051 * dwarf2out.c (add_abstract_origin_attribute): Abort if
5053 (gen_inlined_enumeration_type_die): Do not abort if the type has
5054 not been writeen out.
5055 (gen_inlined_structure_type_die): Do not abort if the type has
5056 not been writeen out.
5057 (gen_inlined_union_type_die): Do not abort if the type has
5058 not been writeen out.
5059 (gen_tagged_type_instantiation_die): Do not abort if the type
5060 has not been written out.
5062 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5064 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
5066 * reg-stack.c (straighten_stack): Copy hard reg set with
5069 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
5071 * builtins.c (stabilize_va_list): Stabilize array type va_list
5072 to a pointer type, not the base record type.
5073 (expand_builtin_va_copy): Dereference the pointers explicitly;
5074 use the correct size for the copy.
5076 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
5077 (rs6000_va_arg): Likewise.
5079 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
5081 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
5083 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
5085 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
5087 (DECL_BUILT_IN_CLASS): Adjust accordingly.
5089 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
5091 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
5092 (init_ggc): Use it instead of a constant.
5093 (ggc_collect): Bound allocated_last_gc by it.
5095 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
5097 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
5100 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
5102 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
5103 (mips*-*-openbsd*): Let big endian configuration be a fragment.
5105 * config/mips/openbsd.h: New, OpenBSD little endian target.
5106 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
5107 * config/mips/xm-openbsd.h: New, OpenBSD host.
5109 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
5111 * config/m68k/m68k.c (output_function_prologue,
5112 output_function_epilogue): Use
5113 current_function_uses_pic_offset_table instead of regs_ever_live
5114 to decide whether to save/restore pic register.
5115 (legitimize_pic_address): Don't modify regs_ever_live any more.
5117 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
5119 * function.h (struct function): Add x_dont_save_pending_sizes_p.
5120 * stor-layout.c (variable_size): Don't add sizes to the pending
5121 sizes list if x_dont_save_pending_sizes_p is set.
5123 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
5125 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
5126 for symbolic_operand().
5127 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
5129 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5131 * combine.c (gen_rtx_combine): Add missing call to va_end().
5133 * final.c (asm_fprintf): Likewise.
5135 * genattrtab.c (attr_rtx): Likewise.
5137 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
5139 * cse.c: Update comments.
5140 (cse_insn): When converting a conditional/computed jump into
5141 an unconditional jump, always make sure a BARRIER immediately
5142 follows the converted jump. Do not delete unreachable code.
5143 (cse_basic_block): Do not delete unreachable code.
5144 * toplev.c (rest_of_compilation): Move call to
5145 delete_trivially_dead_insns after the conditional call to
5148 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5150 * collect2.c (make_temp_file): Don't prototype.
5152 * gcc.c (make_temp_file): Likewise.
5154 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
5156 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
5158 * varasm.c (asm_emit_uninitialised): New function: Generate
5159 the assembler statements necessary to declare an uninitialised
5161 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
5163 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
5164 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
5166 (assemble_variable): Use asm_emit_uninitialised to emit an
5167 uninitialised variable.
5169 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
5171 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
5172 constant on a 64 bit host. Patch supplied by Geoffrey Keating
5173 <geoffk@cygnus.com>.
5175 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5177 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
5178 * c-common.h (builtin_function): Don't declare.
5180 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
5182 (pushdecl): Likewise.
5183 (finish_decl): Likewise.
5184 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
5185 int. All callers changed.
5186 Set the builtin's DECL_BUILT_IN_CLASS.
5187 * tree.h (enum built_in_class): New.
5188 (enum built_in_function): Delete NOT_BUILT_IN.
5189 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
5191 (DECL_SET_FUNCTION_CODE): Likewise.
5192 (DECL_BUILT_IN_CLASS): New macro.
5193 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
5194 (struct tree_decl): Split builtin function code field into a
5196 (builtin_function): Declare.
5198 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
5200 * optabs.c (init_traps): Fix typo in last change.
5202 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
5204 * toplev.c (rest_of_decl_compilation): Update comment.
5206 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
5208 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
5209 in .sbss if appropriate.
5210 (EXTRA_SECTION_FUNCTIONS): Add sbss.
5211 (SBSS_SECTION_ASM_OP): New macro.
5212 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
5213 (EXTRA_SECTIONS): Add in_sbss.
5214 * config/mips/mips.h: Prototype sbss_section.
5216 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
5218 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
5221 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
5223 * optabs.c (init_traps): Register trap_rtx as a GC root.
5225 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5227 * config/mips/mips.c (function_arg_pass_by_reference): Define
5228 unconditionally, since it's called unconditionally.
5230 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
5232 * toplev.c (documented_lang_options): Add -fshort-wchar.
5233 * c-decl.c (c_decode_option): Likewise.
5234 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
5236 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
5237 * gcc.c (default_compilers): If -fshort-wchar,
5238 override __WCHAR_TYPE__.
5239 * tm.texi (C Dialect Options): Add -fshort-wchar.
5241 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
5242 symbol for a variable.
5244 * cpplib.h (CPP_PREPROCESSED): New macro.
5245 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
5246 we're seeing this input for a second time.
5248 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
5250 * emit-rtl.c (init_emit_once): Initialize modes first.
5252 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
5254 * config/i386/i386.c (pic_label_name): Change to char pointer.
5255 (global_offset_table): New variable.
5256 (load_pic_register): Fill global_offset_table if it hasn't
5257 already been done. Allocate pic_label_name dynamically.
5258 * ggc.h (empty_string): New variable.
5259 * ggc-simple.c (empty_string): Likewise.
5260 (init_ggc): Allocate empty_string and add as root.
5261 * stmt.c (digit_strings): New variable.
5262 (init_stmt): Add last_block_end_note as root. Allocate and
5263 initialize digit_strings.
5264 (expand_asm_operands): Use empty_string instead of string
5265 constant. Use digit_strings instead of string constants.
5266 * profile.c (init_arc_profiler): Allocate string with
5267 ggc_alloc_string instead of xmalloc.
5268 (output_func_start_profiler): Likewise.
5269 * c-typeck.c (digest_init): Check if init is error_mark_node.
5271 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
5272 Richard Henderson <rth@cygnus.com>
5274 * ggc-page.c: New file.
5275 * Makefile.in (ggc-page.o): New.
5277 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
5279 * invoke.texi: Document -fdelete-null-pointer-checks
5280 * toplev.c (flag_delete_null_pointer_checks): New.
5281 (f_options): Add entry for -fdelete-null-pointer-checks.
5282 (rest_of_compilation): Conditionalize null pointer check
5283 elimination on flag_delete_null_pointer_checks.
5284 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
5286 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
5288 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
5289 copyright notice and special exception to GPL.
5291 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5293 * abi64.h (mips_function_value): Add prototype arguments.
5295 * mips-protos.h: New file with mips prototypes.
5297 * mips.c: Include "tm_p.h".
5298 (mktemp, lookup_name): Add prototype arguments.
5299 (extern_list, string_constant, mips_fill_delay_slot,
5300 mips_output_external, mips_output_external_libcall,
5301 mips_output_filename, mips_declare_object, function_prologue,
5302 mips_expand_prologue, function_epilogue, mips16_constant,
5303 build_mips16_function_stub, mips_output_conditional_branch):
5305 (mips_va_start): Remove unused variable `u'.
5306 (mips_va_arg): Cast value to unsigned when comparing against one.
5308 (save_restore_insns, mips_expand_prologue): Add missing arg in
5309 call to `large_int'.
5311 * mips.h: Move prototypes to mips-protos.h.
5312 (data_section, memory_address_p, rdata_section,
5313 readonly_data_section, simple_epilogue_p, text_section): Delete
5314 prototypes delcared elsewhere.
5315 (mips_epilogue_delay_slots, print_options): Delete unused decls.
5317 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
5319 * mips.md: Delete extra args in call to `mips_move_2words'.
5321 * xm-iris6.h (alloca): Add prototype argument.
5323 * genpeep.c: Include "tm_p.h" in generated output file.
5325 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5327 * basic-block.h (find_edge_index): Change parameters.
5328 * flow.c (verify_edge_list): Pass basic_block parameters to
5329 find_edge_index instead of integers.
5331 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
5333 * combine.c (simplify_comparison): Use an unsigned shift to adjust
5336 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
5338 * gcc.1: Fix a formatting error.
5340 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5342 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
5343 i786, mn10200, mn10300, pdp11, v850.
5345 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
5347 * libgcc2.c (num_digits): Add prototype with
5348 __attribute__((const)).
5349 (__terminate): Add prototype.
5351 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
5353 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
5355 * alpha/alpha.c (print_operand): Fix type of `code'.
5356 (alpha_output_filename): Constify.
5357 * alpha/alpha.h: Move all function declarations ...
5358 * alpha/alpha-protos.h: ... here. New file.
5359 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
5360 (SECTION_FUNCTION_TEMPLATE): Likewise.
5362 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5364 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
5365 * expr.c (expand_expr): Likewise.
5366 (do_jump): Likewise.
5367 (do_store_flag): Pass ccp_store_flag to can_compare_p.
5368 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
5370 (enum can_compare_purpose): New.
5371 (can_compare_p): Adjust prototype.
5372 (prepare_cmp_insn, prepare_operand): Declare.
5373 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
5374 * optabs.c (cmp_available_p): Deleted.
5375 (expand_abs): Pass ccp_jump to can_compare_p.
5376 (can_compare_p): New arg PURPOSE. Check for combined optabs.
5377 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
5378 Call can_compare_p rather than cmp_available_p.
5379 (prepare_operand): No longer static.
5380 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
5381 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
5382 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
5383 sequence to use emit_cmp_and_jump_insns.
5384 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
5386 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
5388 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
5389 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
5390 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
5391 (plus (reg) (const_int 0))
5392 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
5394 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
5396 * rs6000.c (expand_block_move): DImode loads and stores require
5397 word-aligned displacements. Increment address registers with
5398 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
5400 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
5402 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
5403 is no name for the base type, rather than segfault. If we are
5404 writing out a complex integer type, use DW_ATE_lo_user.
5406 * expr.c (emit_move_insn_1): If we are copying a complex that fits
5407 in one word or less (complex char, complex short, or on 64 bit
5408 systems complex float) to/from a hard register, copy it through
5409 memory instead of dying in gen_{real,imag}part. If we have a
5410 short complex type, prevent inlining since it allocates stack
5413 * tree.c (build_complex_type): If we are writing dwarf2 output,
5414 generate a name for complex integer types.
5416 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5418 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
5419 * flow.c (remove_edge): Remove extra whitespace.
5420 (remove_fake_edges): Fix comment.
5421 (add_noreturn_fake_exit_edges): Use the correct name.
5423 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
5425 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
5426 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
5427 (clean): Depend on INTL_CLEAN.
5428 (maintainer-clean): Adjust.
5430 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5432 * configure.in (AC_PREREQ): Bump to 2.13.
5433 (AC_C_STRINGIZE): Call this instead of using a custom macro.
5435 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
5437 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
5439 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
5441 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
5442 (HAVE_STRINGIZE): Define.
5444 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
5446 * c-parse.in: save and restore warn_pointer_arith on __extension__
5447 along with pedantic.
5448 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
5449 Set the type of extension to itype rather than $<itype>1 kludge.
5450 * extend.texi (Alternate Keywords): Adjust documentation.
5451 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
5453 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
5455 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
5456 most assembler templates.
5458 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
5459 FP loads and stores.
5460 (following_call): Always return zero for the PA8000.
5461 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
5462 FP loads and stores.
5463 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
5465 * pa.h (BRANCH_COST): Define.
5467 * pa.md (return, return_internal): Use bve for PA2.0.
5469 * pa.md (fused multiply): Add variants which reduce height for the
5470 fused multiply, but which still generate 2 insns.
5471 (fnegabs): Similarly.
5473 * pa.md (subsi3): Turn into an expander. Create two anonymous
5474 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
5475 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
5477 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
5479 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
5481 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
5482 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
5484 * regclass.c (init_regs): Add "top_of_stack" as a garbage
5487 * flow.c (record_active_eh_regions): Terminate loop after finding
5488 the last insn in the last basic block.
5490 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5492 * config/c4x/c4x.md: Delete parallel instruction peepholes.
5494 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5496 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
5498 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5500 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
5501 splitting to not use output template.
5503 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5505 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
5506 * config/c4x/c4x.c (c4x_va_start): New function.
5508 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
5510 * genrecog.c (not_both_true): Handle correctly cases when called for
5511 tests with different positions in the insn.
5513 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5515 * machmode.h (HOST_PTR_PRINTF): Move from here ...
5517 * system.h (HOST_PTR_PRINTF): ... to here.
5519 * mips-tfile.c: Don't include machmode.h.
5521 * Makefile.in (MACHMODE_H): New variable. Update to use it.
5522 (mips-tfile.o): Don't depend on machmode.h.
5524 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5526 * haifa-sched.c (sched_analyze): Rename local variable `region' to
5527 avoid conflicts with typedef struct `region' at the top level scope.
5529 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
5531 * basic-block.h (basic_block): Add eh_beg, eh_end.
5532 * flow.c (entry_exit_blocks): Update.
5533 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
5535 (find_basic_blocks_1): Don't record eh_list at each bb. Use
5536 lists.c functions to allocate insn lists.
5537 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
5539 (make_eh_edge): ... here. New.
5540 (move_stray_eh_region_notes): New.
5541 (record_active_eh_regions): New.
5542 (delete_unreachable_blocks): Split out block merging ...
5543 (try_merge_blocks): ... here. New.
5544 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
5545 Dump debugging data.
5546 (merge_blocks_move_successor_nojumps): Likewise.
5547 (merge_blocks): Use eh_beg+eh_end to validate block movement.
5549 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5551 * extend.texi (Bound member functions): Document unbound pmf
5554 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5556 * flow.c (split_edge): Handle insertion on a fallthrough edge which
5557 has the EXIT_BLOCK as a dest.
5559 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5561 * flow.c (remove_edge): New function to remove an edge from the
5563 (remove_fake_successors): New function to remove fake successor edges.
5564 (remove_fake_edges): New function to remove all fake edges from the
5566 (add_fake_exit_edges): New function to add fake edges from all blocks
5567 with no successors to the exit block.
5568 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
5569 prototypes for new functions.
5571 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5573 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
5574 Use Pmode to determine whether to output .dword or .word.
5576 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
5578 * tree.c (built_in_filename): New variable.
5579 (BUILT_IN_FILENAME): New macro.
5580 (init_tree_codes): Allocate built_in_filename.
5581 (make_node): Use built_in_filename instead of string constant.
5583 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
5585 * configure.in: Add fr30 target.
5586 * configure: Regenerate.
5587 * config/fr30: New directory.
5588 * config/fr30/crti.asm: New file.
5589 * config/fr30/fr30.c: New file.
5590 * config/fr30/crtn.asm: New file.
5591 * config/fr30/fr30.h: New file.
5592 * config/fr30/fr30.md: New file.
5593 * config/fr30/lib1funcs.asm: New file.
5594 * config/fr30/t-fr30: New file.
5595 * config/fr30/xm-fr30.h: New file.
5597 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
5599 * flow.c (merge_blocks_move_successor_nojumps): Delete the
5600 BARRIER at the end of the successor, not the BARRIER before
5603 * pa.c (pa_add_gc_roots): Fix thinko in last change.
5605 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
5607 * stmt.c (any_pending_cleanups): Don't crash when
5608 current_function->stmt is unset.
5610 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5612 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
5613 other initializations that may use it for relative offsets.
5615 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5617 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
5618 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
5619 * config/i386/sol2dbg.h: Removed.
5620 * config/i386/sol2gas.h: New file, to enable gas work-around.
5621 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
5622 Don't use sol2dbg.h.
5623 * configure: Rebuilt.
5625 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
5627 * invoke.texi (-fthis-is-variable): Remove documentation.
5629 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
5631 * basic-block.h (compute_bb_for_insn): Declare.
5632 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
5633 to use; set size of basic_block_for_insn directly.
5634 (find_basic_blocks): Update.
5636 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5638 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
5640 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5642 * crtstuff.c (ON_EXIT): Delete empty macro definition.
5643 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
5645 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
5647 * c-decl.c (c_decode_option): Extend comment.
5649 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
5651 * toplev.c (progname): Make 'const char *'
5652 (flag_print_mem): Move out of main.
5653 (version_flag): Move out of main.
5654 (filename): Move out of main.
5655 (debug_args): Remove g prefix from options.
5656 (documented_lang_options): Remove cpplib specific options.
5657 (display_help): Add g prefix to debug options.
5658 (check_lang_option): Delete this function.
5659 (decode_d_option): New function: Decode -d... option.
5660 (decode_f_option): New function: Decode -f... option.
5661 (decode_W_option): New function: Decode -W... option.
5662 (decode_g_option): New function: Decode -g... option.
5663 (independent_decode_option): New function: Decode a language
5664 independent command line option.
5665 (main): Invoke lang_decode_option and then
5666 independent_decode_option on each command line option in
5669 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
5671 Revert this change. Gavin's patch to operand_equal_p is a better fix.
5672 * fold-const.c (fold_range_test): Do not try to fold the range
5673 test if the rhs or lhs has side effects.
5675 * basic-block.h (compute_flow_dominators): Declare.
5677 * gcse.c (alloc_code_hoist_mem): New function.
5678 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
5679 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
5680 (hoist_code, one_code_hoisting_pass): Likewise.
5681 (gcse_main): If optimizing for size, then hoist expressions
5682 computed in multiple dominated basic blocks.
5684 * gcse.c (invalid_nonnull_info): New function.
5685 (delete_null_pointer_checks): Likewise.
5686 * rtl.h (delete_null_pointer_checks): Declare.
5687 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
5689 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
5690 (merge-blocks_move_successor_nojumps): Likewise.
5691 (merge_blocks): Allow merging of some blocks, even if it requires
5692 physical movement of the blocks, but not if it requires new jumps.
5694 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
5695 Callers and prototype changed.
5696 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
5698 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5700 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
5701 -YP when both -p and -pg are present. From i386/sol2.h.
5703 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5705 * Makefile.in (distclean): Delete tm_p.h.
5706 * configure.in: Create a new file, "tm_p.h", from a list in
5707 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
5708 "i386/i386-protos.h".
5710 * alias.c: Include "tm_p.h".
5711 * c-typeck.c: Likewise.
5712 * calls.c: Likewise.
5714 * emit-rtl.c: Likewise.
5715 * explow.c: Likewise.
5716 * expmed.c: Likewise.
5718 * final.c: Likewise.
5720 * fold-const.c: Likewise.
5721 * function.c: Likewise.
5723 * global.c: Likewise.
5724 * haifa-sched.c: Likewise.
5725 * integrate.c: Likewise.
5727 * local-alloc.c: Likewise.
5729 * optabs.c: Likewise.
5730 * recog.c: Likewise.
5731 * reg-stack.c: Likewise.
5732 * regclass.c: Likewise.
5733 * regmove.c: Likewise.
5734 * reload.c: Likewise.
5735 * reload1.c: Likewise.
5736 * reorg.c: Likewise.
5737 * resource.c: Likewise.
5739 * stor-layout.c: Likewise.
5740 * toplev.c: Likewise.
5742 * unroll.c: Likewise.
5743 * genattrtab.c (main): Make generated file include "tm_p.h".
5744 * genemit.c (main): Likewise.
5745 * genoutput.c (main): Likewise.
5746 * genrecog.c (main): Likewise.
5748 * i386.h: Delete all prototypes.
5749 * i386.c: Include "tm_p.h".
5750 (ix86_attr_length_default): Call constant_call_address_operand
5751 with correct number of arguments.
5752 * i386-protos.h: New file.
5753 * i386.md (unnamed patterns): Call constant_call_address_operand
5754 with correct number of arguments.
5755 (exception_receiver): Call load_pic_register with correct number
5758 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
5760 * c-pragma.c (mark_align_stack): Dereference the void* properly.
5762 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
5764 * rtl.h (insns_safe_to_move_p): New function.
5765 * loop.c (find_and_verify_loops): Use it.
5766 * rtlanal.c (insns_safe_to_move_p): Define it.
5768 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
5770 * c-pragma.c: Include ggc.h.
5771 * Makefile.in (c-pragma.o): Update.
5773 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5775 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
5776 (LIB_SPEC): Likewise.
5777 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
5778 Reindent -YP/-p/-pg.
5779 Copied from config/sparc/sol2.h.
5781 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
5783 * c-pragma.c (mark_align_stack): New.
5785 * c-pragma.h (init_pragma): Declare it.
5786 * c-lex.c (init_parse): Call it.
5788 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5790 * configure.in: Pick up thread library on Solaris/x86 just
5791 like on Solaris/sparc.
5792 * configure: Rebuilt.
5794 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
5796 * rtl.h (global_rtx_index): New enum.
5797 (global_rtl): Change to array of rtx.
5798 (pc_rtx, cc0_rtx): Redefine accordingly.
5799 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
5800 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
5801 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
5802 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
5803 (const_int_rtx): Change to array of rtx.
5804 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
5806 * emit-rtl.c (global_rtl): Change to array of rtx.
5807 (const_int_rtx): Change to aray of rtx.
5808 (gen_rtx_CONST_INT): Redefine accordingly.
5809 (init_emit_once): Allocate and initialize global_rtl. Likewise
5810 for const_int_rtx. Add both as GC roots.
5811 * genattrtab.c (global_rtl): Update declaration.
5813 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
5815 * Makefile (USER_H): Add iso646.h back.
5817 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
5819 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
5820 zapping the LOG_LINKS of sched_before_next_call.
5822 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
5823 * pa.c (insn_refs_are_delayed): Renamed from
5824 insn_sets_and_refs_are_delayed.
5826 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
5828 * functiion.h (struct function): Add x_whole_function_mode_p.
5829 (retrofit_block): Declare.
5830 * function.c (retrofit_block): New function.
5831 (identify_blocks): Add assertions. Allow an incomplete set of
5832 block notes if we're still generating code for the function.
5833 * integrate.c: Include loop.h.
5834 (expand_inline_function): Call find_loop_tree_blocks to map block
5835 notes to blocks when in whole-function mode. Use retrofit_block
5836 to insert new BLOCKs for the inlined function, rather than
5838 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
5839 * Makefile.in (integrate.o): Depend on loop.h.
5841 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
5843 * tree.h (warn_about_unused_variables): Declare.
5844 * stmt.c (warn_about_unused_variables): New function, split out
5846 (expand_end_bindings): Here.
5848 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
5850 * stmt.c (preserve_subexpressions_p): Don't crash when
5851 current_function->stmt is unset.
5853 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
5855 * stmt.c (expand_start_bindings): Allow callers to pass a flag
5856 indicating that no NOTE_INSN_BLOCK_BEG note is required.
5857 (expand_start_target_temps): Use it.
5858 * except.c (expand_eh_region_start_for_decl): Likewise.
5859 * expr.c (expand_expr): Likewise.
5861 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
5863 * fold-const.c (operand_equal_p): Pay attention to side effects.
5865 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
5867 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
5868 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
5870 * tlink.c (scan_linker_output): Look for keywords before accepting
5871 a mangled name in quotes.
5873 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
5875 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
5876 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
5878 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
5880 * alpha.md: Revert Thu Nov 26 change that came in through the
5881 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
5882 Avoid earlyclobber when possible.
5884 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5886 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
5888 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
5889 Define HAVE_ON_EXIT.
5891 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5893 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
5894 CTYPE_CONV in all ctype macros.
5896 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
5899 * cexp.y (initialize_random_junk): Likewise.
5901 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
5903 * i370.c (handle_pragma): Likewise.
5905 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
5907 * v850.c (override_options): Likewise.
5909 * doprint.c (_doprnt): Likewise.
5911 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
5914 * fixinc/server.c (load_data): Likewise.
5916 * fold-const.c (real_hex_to_f): Likewise.
5918 * genattr.c (write_upcase, gen_attr): Likewise.
5920 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
5921 write_upcase): Likewise.
5923 * genemit.c (print_code): Likewise.
5925 * genopinit.c (gen_insn): Likewise.
5927 * genpeep.c (print_code): Likewise.
5929 * genrecog.c (print_code): Likewise.
5931 * optabs.c (init_libfuncs): Likewise.
5933 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
5935 * haifa-sched.c (sched_analyze): Keep the list of notes organized
5937 (reemit_notes): Likewise.
5939 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
5941 * ggc.h (ggc_root): Move to ggc-common.c.
5943 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
5944 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
5945 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
5946 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
5947 * ggc-common.c (ggc_root): Move from ggc.h.
5948 (roots): Declare, static.
5949 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
5950 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
5951 null or check/set mark bit.
5952 (ggc_mark_roots): New.
5953 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
5955 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
5957 * m32r.c: Include toplev.h.
5958 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
5959 (gen_compare): Rename swap_p to must_swap to match uses.
5960 Add default abort case.
5961 (m32r_output_function_epilogue): Remove unused variables.
5962 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
5963 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
5964 define to empty parameter list. Update all uses.
5965 (predicate decls): Use enum machine_mode not int.
5966 * m32r.md (movsi): Call abort, not fatal_insn.
5967 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
5969 1999-09-14 Andrew Haley <aph@cygnus.com>
5971 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
5972 use $0 instead of 0.
5974 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5976 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
5977 computation out of loop over hard regs.
5979 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
5981 * function.c (identify_blocks): Don't shadow a variable in an
5983 * integrate.c (integrate_decl_tree): Don't use pushlevel,
5984 pushdecl, or poplevel to build up the new BLOCK tree.
5985 (expand_inline_function): Likewise.
5986 (integrate_parm_decls): Likewise.
5988 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
5990 * c-typeck.c (qualify_type): Merge qualifiers from both types.
5992 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
5994 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
5995 * invoke.texi: Document this change.
5997 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
5999 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
6001 (mark_emit_status): Renamed from mark_emit_state.
6002 * except.c (mark_eh_status): Renamed from mark_eh_state.
6003 Check not null before marking.
6004 (free_eh_status): New.
6005 * expr.c (mark_expr_status, free_expr_status): New.
6006 * function.c (free_machine_status): New.
6007 (free_after_parsing): New.
6008 (free_after_compilation): Move bits to free_after_parsing; call
6009 free_eh_status, free_expr_status; zero the marked members of the
6011 (prepare_function_start): No can_garbage_collect.
6012 Call init_eh_for_function.
6013 (expand_dummy_function_end): Free up current_function state.
6014 (mark_function_status): Renamed from mark_function_state.
6015 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
6016 * function.h (struct function): No can_garbage_collect.
6017 (free_machine_status, free_after_parsing): Declare.
6018 (free_eh_status, free_expr_status): Declare.
6019 * ggc.h (mark_expr_status): Declare.
6020 * stmt.c (free_stmt_status): Free the struct.
6021 (mark_stmt_status): Renamed from mark_stmt_state.
6022 (init_stmt): Don't call init_eh.
6023 (init_stmt_for_function): Don't call init_eh_for_function.
6024 * toplev.c (compile_file): Call init_eh.
6025 (rest_of_compilation): Free basic block info before ggc_collect.
6026 Call free_after_parsing; conditionally call free_after_compilation.
6027 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
6028 Check not null before marking.
6029 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
6031 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
6033 * c-lex.c (yylex): Initialize warn.
6035 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
6037 * pa.c (emit_move_sequence): Properly set the mode of the scratch
6038 register when performing secondary reloads for the SAR register.
6040 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
6042 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
6043 (NOTE_BLOCK): New macro.
6044 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
6045 * function.h (identify_blocks): Change prototype.
6046 * function.c (identify_blocks): Simplify.
6047 (reorder_blocks): Likewise.
6048 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
6049 NOTE_INSN_BLOCK_{BEG,END}.
6050 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
6051 the list of saved notes if the note isn't a
6052 NOTE_INSN_BLOCK_{BEG,END}.
6053 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
6055 (reemit_notes): Adjust recreation of notes to reflect new saved
6057 * print-rtl.c (print_rtx): Print the address of the BLOCK when
6058 printing a block note.
6059 * stmt.c (block_vector): Remove.
6060 (find_loop_tree_blocks): Simplify.
6061 (unroll_block_trees): Likewise.
6062 * tree.h (reorder_block): Change prototype.
6064 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
6066 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
6067 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
6068 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
6069 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
6070 (atexit, exit): Simplify.
6071 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
6072 * config/lots: Remove defns of HAVE_ATEXIT.
6074 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
6076 * calls.c (precompute_arguments): Fix typo in comment.
6077 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
6080 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
6082 * dsp16xx.c (override_options): Fix typos in GC root registration.
6084 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
6086 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
6088 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
6089 (FUNCTION_PROFILER): Redefine appropriately for Linux.
6090 (CC1_SPEC): Likewise.
6092 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6094 * genattr.c (main): Add extern prototype. Call return, not exit.
6095 * genattrtab.c (main): Likewise.
6096 * gencheck.c (main): Likewise.
6097 * gencodes.c (main): Likewise.
6098 * genconfig.c (main): Likewise.
6099 * genemit.c (main): Likewise.
6100 * genextract.c (main): Likewise.
6101 * genflags.c (main): Likewise.
6102 * gengenrtl.c (main): Likewise.
6103 * genopinit.c (main): Likewise.
6104 * genoutput.c (main): Likewise.
6105 * genpeep.c (main): Likewise.
6106 * genrecog.c (main): Likewise.
6108 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
6109 * genattrtab.c (get_insn_name): Likewise.
6110 * gencodes.c (get_insn_name): Likewise.
6111 * genconfig.c (get_insn_name): Likewise.
6112 * genemit.c (get_insn_name): Likewise.
6113 * genextract.c (get_insn_name): Likewise.
6114 * genflags.c (get_insn_name): Likewise.
6115 * genopinit.c (get_insn_name): Likewise.
6116 * genpeep.c (get_insn_name): Likewise.
6118 * gencheck.c (usage): Add static prototype.
6119 * genextract.c (print_path): Constify a char*.
6120 * genopinit.c (optabs): Likewise.
6121 * genoutput.c (operand_data, data, output_predicate_decls,
6122 compare_operands): Likewise.
6123 * genrecog.c (write_tree): Add default case in switch.
6125 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6127 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
6129 * print-rtl.c (get_insn_name): Remove prototype.
6131 * toplev.h (progname): Declare const.
6133 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
6134 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
6135 dump_sched_info, dump_local_alloc, regset_release_memory,
6136 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
6137 error_with_file_and_line, error_with_decl, error_for_asm, error,
6138 fatal, warning_with_file_and_line, warning_with_decl, warning,
6139 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
6140 Remove redundant prototypes.
6142 (notice, check_lang_option, report_file_and_line, vnotice,
6143 mark_file_stack): Add static prototype.
6144 (set_fatal_function): Add prototype.
6145 (vnotice, report_file_and_line, set_fatal_function,
6146 check_lang_option): Constify a char*.
6147 (main): Prototype. Call return, not exit.
6149 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6151 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
6153 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
6155 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
6157 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
6159 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6161 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
6162 behave as if it's zero in all cases.
6163 (expand_function_start): Adjust call to assign_parms.
6164 * tree.h (assign_parms): Adjust prototype.
6165 * objc/objc-act.c (hack_method_prototype): Adjust call to
6168 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
6170 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
6171 arg_pointer_rtx fixed if the argument pointer register is
6173 (NONZERO_BASE_PLUS_P): Likewise.
6175 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
6177 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
6178 match_insn2 to match_insn.
6179 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
6181 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
6183 * Makefile.in (USER_H): Remove va-foo.h.
6185 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
6186 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
6187 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
6188 va-spur.h,va-v850.h}: Remove.
6190 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
6192 * sparc/sparc.md (eligible_for_return_delay): New attribute.
6193 (in_return_delay): Use it instead of match_insn.
6195 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6197 * config/alpha/va_list.h (va-alpha.h): Do not include.
6198 (__gnuc_va_list): Typedef as in varargs.h.
6200 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
6202 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
6203 DECL_LIVE_RANGE_RTL.
6205 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
6207 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
6208 not NOTE_BLOCK_NUMBER.
6209 (expand_eh_region_end): Likewise.
6210 (find_exception_handler_labels): Likewise.
6211 (scan_region): Likewise.
6212 (exception_optimize): Likewise.
6213 (update_rethrow_references): Likewise.
6214 (set_insn_eh_region): Likewise.
6215 * final.c (final_scan_insn): Likewise.
6216 * flow.c (make_edges): Likewise.
6217 * integrate.c (expand_inline_function): Likewise.
6218 * print-rtl.c (print_rtx): Likewise.
6220 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
6222 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
6223 terms of builtin functions and types.
6225 * mips.c (mips_build_va_list): New.
6226 (mips_va_start, mips_va_arg): New.
6227 * mips.h (BUILD_VA_LIST_TYPE): New.
6228 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
6230 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
6231 (sh_build_va_list, sh_va_start, sh_va_arg): New.
6232 * sh.h (BUILD_VA_LIST_TYPE): New.
6233 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
6235 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
6237 * recog.h (struct recog_data): Make dup_num, operand_address_p,
6238 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
6239 (struct insn_data): Likewise with n_operands, n_dups,
6240 n_alternatives, output_format.
6241 * regclass.c (scan_one_insn): Cast n_operands to int before
6242 arithmetic inside comparison.
6244 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
6246 * toplev.c (compile_function): Unconditionally emit nop.
6248 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6250 * haifa-sched.c (actual_hazard): Move declaration of variable
6251 `this_cost' into the scope where it is used.
6253 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6255 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
6256 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
6257 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
6259 * genrecog.c (make_insn_sequence): Call memset, not bzero.
6261 * jump.c (find_insert_position): Don't declare or define unless
6262 !HAVE_conditional_arithmetic.
6263 (returnjump_p_1, delete_prior_computation): Add static prototypes.
6265 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
6267 * recog.c (offsettable_address_p): Prototype function pointer.
6268 (preprocess_constraints): Call memset, not bzero.
6270 * tree.c (tree_node_kind_names): Constify a char*. Make static.
6271 (gcc_obstack_init): Don't declare.
6272 (fix_sizetype): Add static prototype.
6273 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
6274 (tree_cons): Call memset, not bzero.
6276 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
6277 definition in macro ASM_WEAKEN_LABEL.
6278 (mark_const_hash_entry): Add static prototype.
6280 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6282 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
6284 * unroll.c (find_common_reg_term, subtract_reg_term,
6285 loop_find_equiv_value): Add static prototypes.
6286 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
6287 (copy_loop_body): Remove unreachable break statement.
6289 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
6291 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
6293 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6295 Undo some changes from the gcc2 merge:
6296 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
6297 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
6301 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
6302 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6303 initialized float-int union if the value is a NaN.
6305 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
6307 * gthr-win32.h: New file.
6309 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
6310 shared as a valid attribute.
6311 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
6312 * extend.texi: Document `shared' variable attribute.
6314 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
6316 * configure.in: Handle --enable-threads on FreeBSD.
6317 * configure: Rebuit.
6319 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
6321 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
6323 * configure: Rebuilt.
6325 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
6326 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
6327 Rosimildo DaSilva <rdasilva@connecttel.com>
6329 * configure.in (m68k-*-rtemscoff*): Added.
6330 * configure.in (mips64orion-*-rtems*): Converted to ELF.
6331 * configure.in (sparc-*-rtemsaout*): Added as alias for old
6332 sparc-rtems configuration.
6333 * configure.in (sparc-*-rtemself*): Added.
6334 * configure.in (sparc-*-rtems*): Now ELF not a.out.
6335 * config/i386/rtems.h: Added comment.
6336 * config/sparc/rtemself.h: New file.
6338 * configure.in (m68k-rtemself): Added.
6339 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
6340 and DWARF_DEBUGGING_INFO.
6341 * config/m68k/crti.s: New file.
6342 * config/m68k/crtn.s: New file.
6343 * config/m68k/t-crtstuff: New file.
6344 * config/m68k/rtemself.h: New file.
6346 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
6347 global ctor/dtor and C++ exception handling.
6348 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
6349 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
6351 * config/i386/t-rtems-i386: New File.
6353 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
6355 * stmt.c (expand_end_case): Return right away if the case stack is
6358 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
6360 * Makefile.in (version.c): Remove rule incorrectly brought in from
6363 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
6365 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
6366 * msdos/top.sed: Take into account a prepended $(SHELL) to
6368 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
6370 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
6372 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6374 * regmove.c (fixup_match_1): Don't change an unchanging register.
6375 (stable_but_for_p): Renamed to:
6376 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
6377 Changed all callers.
6379 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
6381 * loop.c (strength_reduce): Don't call reg_used_between_p if the
6382 insn from BL2 is after the insn from BL.
6384 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
6386 * recog.h (INSN_OUTPUT_FORMAT_*): New.
6387 (struct insn_data): Merge `template' and `outfun' into `output'.
6388 Add `output_format'.
6389 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
6390 (struct data): Remove `outfun'; add `output_format'.
6391 (name_for_index): Remove declaration.
6392 (output_insn_data): Handle output formats.
6393 (process_template): Emit the bare array for @.
6394 (gen_expand, gen_split): Set output_format to NONE.
6395 * output.h (get_insn_template): Declare.
6396 * final.c (get_insn_template): New.
6397 (final_scan_insn): Use it.
6398 * toplev.c (compile_file): Likewise.
6400 * c4x/c4x.c (c4x_process_after_reload): Likewise.
6401 * i860/i860.c (output_delayed_branch): Likewise.
6402 (output_delay_insn): Likewise.
6404 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6406 * rtl.c (obstack_alloc_rtx): Removed.
6408 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
6410 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
6412 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
6414 * i386.c (call_insn_operand): Reject const_int.
6415 (expander_call_insn_operand): Use call_insn_operand.
6417 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6419 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
6421 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
6423 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
6424 Use DImode operation.
6426 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
6428 * gcc.c: Include sys/resource.h.
6429 (report_times): New flag.
6430 (execute): If report_times is set, calculate and report the
6431 CPU time consumed by each subprocess.
6433 (rus, prus): New globals.
6434 (option_map): Add --time.
6435 (display_help): Document -time.
6436 (process_command): Set report_times if -time is given.
6437 Turn off -pipe if -time is given.
6439 * invoke.texi: Document new option -time.
6441 * configure.in: Check for getrusage. Check if we have to
6442 prototype getrusage.
6443 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
6444 * configure: Regenerate.
6445 * config.in: Regenerate.
6447 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
6449 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
6452 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
6454 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
6455 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
6456 (nan): Return _thenan_sf or _thenan_df as appropriate.
6457 (L_thenan_sf): Define _thenan_sf.
6458 (L_thenan_df): Define _thenan_df.
6460 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
6461 (DPBIT_FUNCS): Add _thenan_df.
6463 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
6465 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
6468 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6470 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
6473 (lang_specific_driver): Don't take a function pointer parameter.
6474 All callers changed.
6476 * gcc.c: Include gcc.h.
6477 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
6478 lang_specific_extra_outfiles, fatal): Don't declare.
6479 (multilib_defaults_raw): Constify.
6480 (read_specs): Call memset, rather than bzero.
6481 (main): Call return, not exit.
6482 (lookup_compiler): Call memcpy, not bcopy.
6483 (fatal): Make extern.
6485 * cppspec.c: Include gcc.h.
6486 (lang_specific_driver): Initialize variable `quote'. Constify a
6487 char*. All calls to the function pointer parameter now
6488 explicitly call `fatal'.
6490 * gccspec.c (lang_specific_driver): Include gcc.h.
6492 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
6494 * arm.c (note_invalid_constants): Use recog_data.operand_type
6497 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6499 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
6502 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
6503 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
6504 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
6505 reload_secondary_in_reload, reload_secondary_out_reload,
6506 reload_secondary_in_icode, reload_secondary_out_icode,
6507 reload_reg_rtx, reload_when_needed): Delete declarations.
6508 (struct reload): New structure.
6509 (rld): Declare new array.
6510 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
6511 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
6512 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
6513 reload_secondary_in_reload, reload_secondary_out_reload,
6514 reload_secondary_in_icode, reload_secondary_out_icode,
6515 reload_reg_rtx, reload_when_needed): Delete definitions.
6517 (whole file): Replace uses of the deleted arrays with uses of rld.
6518 * reload1.c (whole file): Replace uses of the deleted arrays with
6520 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
6521 explicit loops, not with bcopy.
6523 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
6525 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
6526 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
6527 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
6528 insn_name): Delete and consolidate into new structures.
6529 (insn_operand_predicate_fn): New.
6530 (insn_output_fn): New.
6532 (struct insn_operand_data): New.
6533 (struct insn_data): New.
6535 (OUT_FCN): Update for insn_data change.
6536 * builtins.c (expand_builtin_strlen): Likewise.
6537 (expand_builtin_memcmp): Likewise.
6538 * combine.c (make_extraction, simplify_comparison): Likewise.
6539 * cse.c (canon_reg, cse_insn): Likewise.
6540 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
6541 * expmed.c (store_bit_field, extract_bit_field): Likewise.
6542 (emit_store_flag): Likewise.
6543 * expr.c (convert_move, emit_block_move): Likewise.
6544 (clear_storage, emit_push_insn, expand_increment): Likewise.
6545 (do_store_flag): Likewise.
6546 * expr.h (GEN_FCN): Likewise.
6547 (insn_gen_function): Die.
6548 * final.c (final_scan_insn): Update for insn_data change.
6549 (output_asm_name): Likewise.
6550 * function.c (fixup_var_refs_1): Likewise.
6551 * loop.c (check_dbra_loop): Likewise.
6552 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
6553 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
6554 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
6555 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
6556 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
6557 * regmove.c (gen_add3_insn): Likewise.
6558 * reload.c (push_secondary_reload, combine_reloads): Likewise.
6559 (find_reloads, find_reloads_address_1): Likewise.
6560 (debug_reload_to_stream): Likewise.
6561 * reload1.c (emit_reload_insns, gen_reload): Likewise.
6562 * stmt.c (expand_end_case): Likewise.
6563 * toplev.c (compile_file): Likewise.
6565 * c4x/c4x.c (c4x_process_after_reload): Likewise.
6566 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
6568 * print-rtl.c (insn_name_ptr): Remove declaration.
6569 (get_insn_name): Declare.
6570 (print_rtx): Use it.
6571 * genoutput.c (insn_name_ptr): Remove.
6572 (next_operand_number): New.
6573 (struct operand_data): New.
6574 (null_operand, odata, odata_end): New.
6575 (struct data): Use struct operand_data.
6576 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
6577 (get_insn_name): Renamed from name_for_index.
6578 (output_prologue): Define NO_MD_PROTOTYPES.
6579 (output_predicate_decls): Break out from output_epilogue.
6580 Iterate over the operands list.
6581 (output_operand_data): Break out from output_epilogue. Emit
6582 just the operands list.
6583 (output_insn_data): Break out from output_epilogue. Emit just
6585 (output_epilogue): Remove.
6586 (output_get_insn_name): New.
6587 (constraints, op_n_alternatives, predicates, address_p): Die.
6588 (modes, strict_low, seen): Die.
6589 (scan_operands): Take new param `d' instead of writing to
6590 seven global variables.
6591 (compare_operands): New.
6592 (place_operands): New.
6593 (validate_insn_alternatives): Update for struct data change.
6594 (gen_insn): Don't zero or copy 7 global arrays. Update for
6595 scan_operands; call place_operands.
6596 (gen_peephole, gen_expand, gen_split): Likewise.
6597 (main): Update for new output routines.
6599 * genattr.c (insn_name_ptr): Remove.
6600 (get_insn_name): New function.
6601 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
6602 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
6603 * genrecog.c: Likewise.
6605 * alpha.md (adddi3): Make `pattern' array static.
6607 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6609 * config/c4x/c4x.h (c4x_rpts_cycles_string,
6610 c4x_cpu_version_string): Constify char *.
6611 * config/c4x/c4x.c (c4x_rpts_cycles_string,
6612 c4x_cpu_version_string): Likewise.
6614 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
6616 * tree.c (save_tree_status): Revert 10 Sep change.
6617 (restore_tree_status): Likewise. Call obstack_free with NULL
6618 before freeing the obstack proper.
6620 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
6622 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
6624 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
6625 surrounding context.
6627 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
6629 * tree.c (type_hash_canon): Put all types in the hash-table, when
6632 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
6634 * recog.h (struct recog_data, recog_data): New.
6635 (recog_foo variables): Kill.
6636 * recog.c (recog_operand, recog_operand_loc): Kill.
6637 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
6638 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
6639 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
6640 (recog_data): Define.
6641 (extract_insn): Update all recog_foo references to use recog_data.
6642 (preprocess_constraints, constrain_operands): Likewise.
6643 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
6644 * genattrtab.c (main): Likewise.
6645 * genextract.c (main): Likewise.
6646 * genoutput.c: Likewise.
6647 * genrecog.c (write_subroutine, main): Likewise.
6648 * local-alloc.c (block_alloc): Likewise.
6649 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
6650 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
6651 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
6652 * reload.c (find_reloads, find_reloads_toplev): Likewise.
6653 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
6654 (reload_cse_simplify_operands): Likewise.
6656 * arc/arc.c (arc_final_prescan_insn): Likewise.
6657 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
6658 * h8300/h8300.c (notice_update_cc): Likewise.
6659 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
6660 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
6661 * mn10200/mn10200.c (notice_update_cc): Likewise.
6662 * mn10300/mn10300.c (notice_update_cc): Likewise.
6663 * romp/romp.c (update_cc): Likewise.
6664 * sparc/sparc.c (check_pic): Likewise.
6665 * v850/v850.c (notice_update_cc): Likewise.
6667 * genemit.c (main): Don't declare recog_operand.
6669 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
6671 * ggc.h (rtvec_def): Forward declare.
6672 (tree_node): Likewise.
6675 (ggc_set_mark_rtx): Add prototype.
6676 (ggc_set_mark_rtvec): Likewise.
6677 (ggc_set_mark_tree): Likewise.
6678 * ggc-simple.c (ggc_root): Don't define.
6679 (roots): Don't declare.
6680 (ggc_mark_rtx): Remove.
6681 (ggc_mark_rtvec): Likewise.
6682 (ggc_mark_tree): Likewise.
6683 (ggc_mark_varray): Likewise.
6684 (ggc_mark_tree_hash_table_entry): Likewise.
6685 (ggc_mark_tree_hash_table): Likewise.
6686 (ggc_set_mart_rtx): New function.
6687 (ggc_set_mark_rtvec): Likewise.
6688 (ggc_set_mark_tree): Likewise.
6689 (ggc_add_root): Remove.
6690 (ggc_add_rtx_root): Likewise.
6691 (ggc_remove_tree_root): Likewise.
6692 (ggc_add_string_root): Likewise.
6693 (ggc_add_tree_varray_root): Likewise.
6694 (ggc_add_tree_hash_table_root): Likewise.
6695 (ggc_del_root): Likewise.
6696 (ggc_mark_rtx_ptr): Likewise.
6697 (ggc_mark_tree_ptr): Likewise.
6698 (ggc_mark_string_ptr): Likewise.
6699 (ggc_mark_tree_varray_ptr): Likewise.
6700 (ggc_mark_tree_hash_table_ptr): Likewise.
6701 * ggc-common.c: New file.
6702 * Makefile.in (OBJS): Add ggc-common.o.
6703 (ggc-common.o): List dependencies.
6705 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
6707 * cppalloc.c (xstrdup): Use memcpy.
6708 * cpperror.c (cpp_print_containing_files): Don't use
6710 * cpplib.c (conditional_skip): Set temp->lineno.
6711 (do_endif): Make error message less obscure.
6712 (if_directive_name): New function.
6713 (cpp_get_token [case EOF]): Unwind the if stack and generate
6714 error messages for each unterminated conditional in this file.
6715 (parse_string): Do not behave differently if -traditional.
6717 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
6719 * builtins.c (expand_builtin_va_arg): Cope with an array-type
6720 va_list decomposing to pointer-type.
6721 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
6722 (rs6000_va_arg): Likewise.
6724 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
6726 * except.c (start_dynamic_handler): Compute size using
6727 STACK_SAVEAREA_MODE.
6729 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6731 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
6732 include directory headers. Don't define strrchr. Don't provide
6733 my_* replacement functions. Prefer PTR over `pointer_type'.
6734 Don't prototype system functions. Don't redefine getopt.
6736 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
6737 safe_read, safe_write, save_pointers, restore_pointers,
6738 is_id_char, in_system_include_dir, directory_specified_p,
6739 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
6740 find_corresponding_lparen, referenced_file_is_newer,
6741 save_def_or_dec, munge_compile_params, gen_aux_info_file,
6742 process_aux_info_file, identify_lineno, check_source,
6743 seek_to_line, forward_to_next_token_char, output_bytes,
6744 output_string, output_up_to, other_variable_style_function,
6745 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
6746 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
6747 find_static_definition, connect_defs_and_decs, add_local_decl,
6748 add_global_decls, needs_to_be_converted, visit_each_hash_node,
6749 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
6750 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
6751 scan_for_missed_items, edit_file, string_list_cons): Add static
6753 (standard_exec_prefix, target_machine, target_version,
6754 default_syscalls_dir, string_list, string_list_cons, find_file,
6755 do_cleaning): Constify a char*.
6756 (safe_read, safe_write): Use PTR, not a char*.
6757 (is_id_char): Take an int, not a char.
6758 (main): Add prototype. Call return, not exit.
6760 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
6762 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
6763 when comparing types.
6765 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
6767 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
6768 (strength_reduce): Release the varrays from the no-bivs early exit.
6770 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
6771 the loop over the registers.
6773 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
6775 (restore_tree_status): Check that instead when freeing the obstack.
6777 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
6779 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
6782 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6784 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
6785 operand size modifiers.
6787 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6789 * c-common.c (c_common_nodes_and_builtins): Don't build
6791 * c-common.h (enum c_tree_index and related accesor macros): Remove
6792 everything now declared in tree.h.
6793 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6794 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
6795 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
6796 (error_mark_node, void_type_node, char_type_node, integer_type_node,
6797 unsigned_type_node, ptr_type_node, va_list_type_node,
6798 integer_zero_node, null_pointer_node, integer_one_node): Delete.
6799 (init_decl_processing): Call build_common_tree_nodes and
6800 build_common_tree_nodes_2 instead of building their nodes here.
6801 Don't add roots for these nodes.
6802 * stor-layout.c (size_zero_node, size_one_node): Delete.
6803 (set_sizetype): Make a new node for bitsizetype each time.
6804 * tree.c (global_trees): New variable.
6805 (init_obstacks): Add a gc root for it.
6806 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6807 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
6808 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
6809 (build_common_tree_nodes): New function.
6810 (fix_sizetype): New function.
6811 (build_common_tree_nodes_2): New function.
6812 * tree.h (enum tree_index): New.
6813 (global_trees): Declare.
6814 Add accessor macros for all nodes now moved to global_trees.
6815 Delete their declarations.
6817 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
6819 * c-decl.c (finish_function): When processing a nested function,
6820 push and pop GC context around rest_of_compilation.
6822 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
6824 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
6825 Default ix86_arch to PROCESSOR_I386.
6826 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
6827 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
6828 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
6829 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
6830 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
6831 (EXTRA_SPECS): Remove deleted specs.
6833 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
6835 * function.c (assign_stack_local_1): Allocate from
6836 function->x_frame_offset, not frame_offset.
6838 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
6840 * ggc.h (lang_cleanup_tree): Remove.
6841 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
6842 * ggc-callbacks.c (lang_cleanup_tree): Remove.
6844 * c-decl.c (finish_struct): Use ggc_alloc to allocate
6845 TYPE_LANG_SPECIFIC when garbage collecting.
6846 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
6847 (lang_cleanup_tree): Remove.
6849 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
6851 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
6852 * crtstuff.c: Not here.
6853 * dwarf2out.c: Or here.
6854 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
6857 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
6859 * function.h (free_after_compilation): Remove decl parameter.
6860 (free_varasm_status0: Likewise.
6861 (free_emit_status): Likewise.
6862 (free_stmt_status): Likewise.
6863 (free_after_compilation): Likewise.
6864 (init_lang_status): New variable.
6865 (free_lang_status): Likewise.
6866 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
6867 * function.c (init_lang_status): New variable.
6868 (free_lang_status): Likewise.
6869 (push_function_context_to): Don't set function::decl here.
6870 (free_after_copmilation): Make decl parameter implicit. Call
6871 free_lang_status if defined.
6872 (prepare_function_start): Call init_lang_status if defined.
6873 (init_function_start): Set function::decl here.
6874 * profile.c (output_func_start_profiler): Don't call pushdecl
6875 until we've actually started the function.
6876 * stmt.c (free_stmt_status): Make decl parameter implicit.
6877 * toplev.c (rest_of_compilation): Don't pass decl to
6878 free_after_compilation.
6879 * varasm.c (free_varasm_status): Likewise.
6881 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6883 * except.c (call_get_eh_context): Add root when allocating static
6886 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
6888 * arm.c: Include "ggc.h".
6889 (arm_add_gc_roots): New function.
6890 (arm_override_options): Call it.
6891 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
6893 * arm.md (define_asm_attributes): Add a pool_range attribute.
6895 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
6897 * extend.texi (Volatiles): New node.
6899 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
6901 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
6902 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
6903 (struct ggc_any): Replace `mark' with `magic_mark'.
6904 (ggc_alloc_string): Use memcpy, not bcopy.
6905 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
6906 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
6907 (ggc_free_any): New.
6908 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
6909 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
6910 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
6911 Use IS_MARKED. Use ggc_free_any.
6913 1999-09-09 Scott Bambrough <scottb@netwinder.org>
6915 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
6917 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
6919 * toplev.c (main): Always init_ggc.
6921 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
6923 * except.c (find_all_handler_type_matches): Free the list if
6924 we found no matches.
6926 * combine.c (SUBST): Break out to a real function do_SUBST.
6927 (SUBST_INT): Likewise.
6928 * gcse.c (free_pre_mem): Free `temp_bitmap'.
6929 (pre_insert): Free `inserted'.
6930 * loop.c (basic_induction_var): Always set `location'.
6932 * function.c (expand_function_end): Add initial_trampoline as a root.
6933 * rtl.h (init_varasm_once): Declare.
6934 * toplev.c (compile_file): Call it.
6935 * ggc-simple.c (ggc_mark_string_ptr): New.
6936 (ggc_add_string_root): New.
6937 (ggc_collect): Disable collection avoidance temporarily.
6938 * ggc.h (ggc_add_string_root): Declare.
6939 * except.c (create_rethrow_ref): Use ggc_alloc_string.
6940 * optabs.c (init_libfuncs): Likewise.
6941 * varasm.c (named_section): Use ggc_alloc_string.
6942 (make_function_rtl): Likewise.
6943 (make_decl_rtl): Likewise.
6944 (assemble_static_space): Likewise.
6945 (assemble_trampoline_template): Likewise.
6946 (output_constant_def): Likewise.
6947 (force_const_mem): Likewise.
6948 (mark_const_hash_entry): New.
6949 (mark_pool_sym_hash_table): New.
6950 (mark_varasm_state): Use it.
6951 (init_varasm_once): New.
6953 * expr.h (init_one_libfunc): Declare.
6954 * optabs.c (init_one_libfunc): New.
6955 (init_optabs): Use it.
6956 * config/gofast.h: Likewise.
6957 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
6958 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
6960 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
6962 * Makefile.in (cppexp.o): Depend on cpphash.h.
6963 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
6965 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
6966 * cpplib.c (do_define): Generalise to handle poisoned definitions,
6967 redefining poisoned identifiers, etc.
6968 (do_undef): Don't allow poisoned identifiers to be undefined.
6969 (do_pragma): Add #pragma poison.
6970 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6972 * cccp.c: Add T_POISON node type.
6973 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
6975 (do_define): Generalise to handle poisoned definitions,
6976 redefining poisoned identifiers, etc.
6977 (do_undef): Don't allow poisoned identifiers to be undefined.
6978 (do_pragma): Add #pragma poison.
6979 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6981 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
6982 * c-pragma.h: Add ps_poison state. We now always have generic
6985 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
6987 * ggc.h (ggc_alloc): New function.
6988 (ggc_mark): Likewise.
6989 * ggc-simple.c (ggc_any): New structure.
6990 (ggc_status): Add anys.
6991 (n_anys_collected): New variable.
6992 (ggc_alloc): Define.
6993 (ggc_mark): Likewise.
6994 (ggc_collect): Collect the anys.
6996 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6998 * c-decl.c (mark_binding_level): Make static to match prototype.
7000 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
7002 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
7004 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
7006 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
7007 will use into account. Expand the max width to 5.
7010 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
7012 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
7015 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
7017 * alpha.md (call value patterns): Remove the result predicates.
7019 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
7021 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
7024 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7026 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
7027 changed from extern char *, to extern PTR. Also fix typo in
7028 NEED_DECLARATION_REALLOC test.
7030 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
7032 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7034 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
7035 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
7036 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
7037 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
7039 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
7041 * cccp.c (pcfinclude): Likewise.
7043 * global.c (allocno_compare): Likewise.
7045 * haifa-sched.c (rank_for_schedule): Likewise.
7047 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
7049 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
7051 * stupid.c (stupid_reg_compare): Likewise.
7053 * tree.c (_obstack_allocated_p): Likewise.
7055 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
7057 1999-09-08 Bruce Korb autogen@linuxbox.com
7059 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
7060 why "gperf -F" fails.
7061 * gcc/cp/Makefile.in: ditto
7062 * gcc/Makefile.in: ditto
7063 * gcc/java/Makefile.in: ditto
7065 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
7067 * lists.c: Include ggc.h.
7069 (init_EXPR_INSN_LIST_cache): Install it.
7071 * ggc-simple.c (init_ggc): Absorb the old init.
7072 (ggc_push_context): Use xcalloc.
7073 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
7074 (ggc_collect): Add [rvts] tags to the collection stats.
7076 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
7078 * cccp.c (main): Fix handling of -include and -imacros options.
7080 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
7082 * cpplib.c (cpp_push_buffer): Fix order of arguments.
7084 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
7086 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
7089 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
7091 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
7092 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
7093 and SET_DEST. Update comment.
7095 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7097 * config/c4x/c4x.c: Include ggc.h.
7098 (c4x_add_gc_roots): New function.
7099 (c4x_override_options): Call c4x_add_gc_roots.
7101 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
7103 * defaults.h (TARGET_ESC): Move ...
7104 * system.h: ... here, where Linas had it in the first place. Silly me.
7106 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
7108 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
7109 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
7110 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
7111 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
7112 * defaults.h (TARGET_ESC): Add default.
7114 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
7116 * configure.in: add i370-*-openedition, i370-*-mvs and
7117 i370-*-linux targets
7119 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
7121 * dsp16xxx.c: Include ggc.h
7122 (override_options): Mark GC roots.
7123 * mn10200.c: Include ggc.h.
7124 (asm_file_start): Mark GC roots.
7125 * tahoe.c: Include ggc.h.
7126 (extensible_operand): Mark GC roots.
7128 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
7130 * README: Add section discussing status of ELF ABI.
7131 * i370.c: Fix misc spelling mistakes.
7132 (i370_label_scan): Updated notes, exception handling.
7133 (i370_function_prolog): Simplify ELF stack handling.
7134 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
7135 (STACK_GROWS_DOWNWARD): ELF stack grows down.
7136 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
7137 * i370.md: (movdi): Add notes.
7138 (floatsidf2): Use stack not rtca for scratch float area.
7139 (iorsi3): Correct operand constraints.
7140 * x-oe: Restore TAROUTOPTS which are used by pax.
7142 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
7144 * rs6000.c: Include ggc.h.
7145 (rs6000_add_gc_roots): New function.
7146 (override_options): Call it.
7148 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
7150 * alpha.h (alpha_compare): New.
7151 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
7152 * alpha.c: Likewise for the definitions.
7153 (alpha_emit_conditional_branch): Update for alpha_compare.
7154 (alpha_emit_conditional_move): Likewise.
7155 * alpha.md (cmpdf, cmpdi): Likewise.
7156 (setcc patterns): Likewise. Zero alpha_compare after use.
7157 (sne): Optimize (x != 0) into (0U < x).
7159 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
7161 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
7162 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
7163 (INIT_EXPANDERS): Remove.
7164 * alpha.c: Include ggc.h.
7165 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
7166 (alpha_init_machine_status, alpha_mark_machine_status): New.
7167 (override_options): Install them.
7168 (struct machine_function): Moved to alpha.h.
7169 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
7170 (alpha_init_expanders): Remove.
7171 (alpha_return_addr): Adjust to use current_function->machine.
7172 (alpha_ra_ever_killed): Likewise.
7173 (alpha_expand_epilogue): Likewise.
7174 * alpha.md (eh_epilogue): Likewise.
7176 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
7177 Melissa O'Neill <oneill@cs.sfu.ca>
7178 Geoffrey Keating <geoffk@cygnus.com>
7180 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
7181 call-used registers (call-saved registers must still be contiguous
7182 and end with r31, of course).
7184 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
7186 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
7187 (self_promoting_type_p): Delete.
7188 (self_promoting_args_p): Move ...
7189 * c-common.c: ... here.
7190 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
7191 (simple_type_promotes_to): New.
7192 * builtins.c (lang_type_promotes_to): New.
7193 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
7194 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
7195 * c-common.h: ... here.
7196 (self_promoting_args_p, simple_type_promotes_to): Declare.
7197 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
7198 (grokdeclarator): Likewise.
7199 * tree.h (lang_type_promotes_to): Declare.
7201 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
7203 Add some machine-dependent GC roots.
7204 * sparc.c: Include ggc.h.
7205 (sparc_add_gc_roots): New function.
7206 (mark_ultrasparc_pipeline_state): Likewise.
7207 (override_options): Call sparc_add_gc_roots.
7208 * pa.c: Include ggc.h.
7209 (pa_add_gc_roots): New function.
7210 (mark_deferred_plabels): Likewise.
7211 (override_options): Call pa_add_gc_roots.
7212 * mips.c: Include ggc.h.
7213 (mips_add_gc_roots): New function.
7214 (override_options): Use it.
7216 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7218 * cpperror.c (cpp_file_line_for_message): Constify a char*.
7220 * cppexp.c (parse_number, parse_charconst, cpp_lex,
7221 cpp_parse_expr): Add static prototypes.
7222 (parse_charconst): Don't cast away const-ness.
7223 (token): Constify a char*.
7225 * cppfiles.c (file_name_list, include_hash, find_include_file,
7226 finclude, initialize_input_buffer): Constify a char*.
7227 (file_cleanup, find_position): Add static prototypes.
7229 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
7230 collect_expansion): Add static prototypes.
7231 (cpp_install, create_definition, monthnames): Constify a char*.
7233 * cpphash.h (cpp_install): Likewise.
7235 * cppinit.c (known_suffixes, default_include,
7236 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
7237 (base_name, dump_special_to_buffer, initialize_dependency_output):
7238 Add static prototypes.
7240 * cpplib.c (my_strerror): Constify a char*.
7241 (null_underflow, null_cleanup, skip_comment, copy_comment,
7242 copy_rest_of_line, handle_directive, pass_thru_directive,
7243 get_directive_token, read_line_number, cpp_print_file_and_line,
7244 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
7245 v_cpp_warning_with_line, detect_if_not_defined,
7246 consider_directive_while_skipping): Add static prototypes.
7247 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
7248 cpp_pedwarn_with_file_and_line): Constify a char*.
7250 * cpplib.h (cpp_options, include_hash, progname, definition,
7251 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
7252 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
7253 find_include_file, deps_output, include_hash): Constify a char*.
7255 * cppmain.c (progname): Constify.
7256 (main): Add prototype. Use return, not exit.
7258 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
7259 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
7260 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
7261 check_protection): Add static prototype.
7263 (progname, recognized_macrom, recognized_extern): Constify a char*.
7264 (main): Add prototype.
7266 * gen-protos.c (progname): Constify a char*.
7268 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
7270 * emit-rtl.c (free_emit_status): Take decl as a parameter.
7271 (init_emit_once): Add more GC roots.
7272 * except.c (mark_func_eh_entry): New function.
7273 (mark_eh_node): Mark false_label and rethrow_label.
7274 (init_eh): Add more GC roots.
7275 * function.c (free_after_compilation): Take decl as a paramter.
7276 Call free_stmt_status.
7277 (mark_function_state): Don't assume x_parm_reg_stack_loc is
7279 * function.h (free_after_compilation): Change prototype.
7280 (free_varasm_status): Likewise.
7281 (free_emit_status): Likewise.
7282 (free_stmt_status): New function.
7283 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
7284 Remove, replacing with ...
7285 (ggc_status): New structure.
7286 (ggc_chain): New variable.
7288 (ggc_push_context): New function.
7289 (ggc_pop_context): Likewise.
7290 (ggc_alloc_rtx): Adjust for use of ggc_chain.
7291 (ggc_alloc_rtvec): Likewise.
7292 (ggc_alloc_tree): Likewise.
7293 (ggc_alloc_string): Likewise.
7294 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
7295 (ggc_mark_tree): Give language-dependent code a chance to mark
7297 (ggc_mark_tree_varray): Handle empty arrays.
7298 (ggc_collect): Adjust for use of ggc_chain. Clear
7299 bytes_alloced_since_last_gc.
7300 * ggc.h (ggc_pop_context): New function.
7301 (ggc_push_context): Likewise.
7302 * print-tree.c (print_node): Don't print obstacks when GC'ing.
7303 * stmt.c (free_stmt_status): New function.
7304 (init_stmt_for_function): Clear last_expr_value.
7305 * toplev.c (rest_of_compilation): Always call free_after_compilation.
7306 Conditionalize call to ggc_collect.
7307 (main): Call init_ggc.
7308 * tree.c (push_obstacks): Do the push, even when GC'ing.
7309 (push_obstacks_nochange): Likewise.
7310 (pop_obstacks): Liekwise.
7311 * varasm.c (free_varasm_status): Take decl as a parameter.
7313 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
7315 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
7316 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
7317 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
7318 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
7320 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
7322 * pa/x-pa-mpeix: New file for the MPE port.
7324 * pa/quadlib.asm: New file for long double support.
7326 * configure.in: Add hppa1.0-*-mpeix for MPE port.
7327 * configure: Rebuilt.
7329 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
7331 * final.c (shorten_branches): Fix last change.
7333 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
7335 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
7337 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
7339 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
7342 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7344 * c-aux-info.c (concat): Don't define.
7346 * cccp.c (my_strerror): Likewise. All callers changed to use
7348 (do_include): Call xstrdup, not xmalloc/strcpy.
7349 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
7350 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
7352 * collect2.c (my_strsignal): Likewise. All callers changed to use
7354 (locatelib): Call xstrdup, not xmalloc/strcpy.
7356 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
7358 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
7360 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
7362 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
7364 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
7366 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
7368 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
7370 (find_all_handler_type_matches): Likewise. Don't check return
7372 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
7373 xmalloc, not malloc.
7374 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
7376 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
7377 (init_spec): Call xcalloc, not xmalloc/bzero.
7378 (set_spec): Call xstrdup, not save_string.
7379 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
7380 (find_a_file): Call xstrdup, not xmalloc/strcpy.
7381 (process_command): Call xstrdup, not save_string.
7382 (main): Call xcalloc, not xmalloc/bzero.
7384 * gcov.c (xmalloc): Don't define.
7385 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
7386 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
7387 (output_data): Call xcalloc, not xmalloc/bzero.
7389 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
7391 * mips-tdump.c (xmalloc): Don't define.
7392 (print_symbol): Call xmalloc, not malloc.
7393 (read_tfile): Call xcalloc, not calloc.
7395 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
7396 Don't define. All callers of xfree/my_strsignal changed to use
7397 free/strsignal instead.
7398 (allocate_cluster): Call xcalloc, not calloc.
7400 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
7401 Fix memory leak, free allocated memory.
7403 * prefix.c (translate_name): Call xstrdup, not save_string.
7404 (update_path): Likewise.
7406 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
7408 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
7409 Don't define. Callers of xfree/savestring2 changed to use
7410 free/concat instead.
7412 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
7413 (init_elim_table): Likewise.
7415 * resource.c (init_resource_info): Likewise.
7417 * stupid.c (stupid_life_analysis): Likewise.
7419 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
7420 (open_dump_file): Call concat, not xmalloc/strcpy/...
7421 (clean_dump_file): Likewise.
7422 (compile_file): Call xstrdup, not xmalloc/strcpy.
7424 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
7426 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
7427 * v850.c (v850_va_arg): New.
7429 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7431 * haifa-sched.c: Tidy comments.
7433 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7435 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
7436 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
7437 $(out_object_file)): Depend on ggc.h.
7438 * c-common.c: Include "ggc.h".
7439 (combine_strings): If doing GC, use ggc_alloc_string.
7440 * c-decl.c: Include "ggc.h".
7441 (ggc_p): Define with value 0.
7442 (mark_binding_level): New function.
7443 (init_decl_processing): Add GC roots.
7444 (mark_c_function_context): New function.
7445 (lang_mark_false_label_stack): New function.
7446 (lang_mark_tree): New function.
7447 (lang_cleanup_tree): New function.
7448 * c-lang.c: Include "ggc.h".
7449 (lang_init): Call c_parse_init.
7450 * c-lex.c: Include "ggc.h".
7451 (check_linenum): If doing GC, don't copy filenames to permanent
7453 * c-parse.in: Include "ggc.h".
7454 (c_parse_init): New function.
7455 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
7456 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
7458 * except.c (mark_eh_state): Mark more state.
7459 * function.c (mark_function_state): Likewise.
7460 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
7461 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
7462 * toplev.c (mark_file_stack): New function.
7463 (compile_file): If doing GC, use ggc_alloc_string on input filename.
7464 (main): Add root for input_file_stack.
7466 * i386.c: Include "ggc.h".
7467 (ix86_mark_machine_status): New function.
7468 (override_options): Set mark_machine_status.
7470 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7472 * tree.c (copy_node): Copy node contents also if doing GC.
7474 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
7476 * collect2.c (scan_libraries): Fix double-thinko :-).
7478 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
7480 * collect2.c (scan_libraries): Fix thinko.
7482 * cse.c (delete_trivially_dead_insns): Do not skip the last
7483 insn if it is a real insn.
7485 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
7487 * Makefile.in (ggc-simple.o): Depend on hash.h.
7488 * ggc.h (ggc_add_tree_hash_table_root): Declare.
7489 (ggc_mark_tree_varray): Likewise.
7490 (ggc_mark_tree_hash_table): Likewise.
7491 * ggc-simple.c: Include hash.h.
7492 (ggc_mark_tree_hash_table_ptr): New function.
7493 (ggc_mark_tree_hash_table_entry): Likewise.
7494 (ggc_mark_tree_hash_table): Likewise.
7495 (ggc_add_tree_hash_table_root): Likewise.
7496 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
7497 rtx, when defining fields.
7499 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7501 * profile.c (output_func_start_profiler): Remove apparently
7502 nonsensical call to start_sequence.
7504 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
7506 * clipper/clipper.c (clipper_va_start): Fix typos.
7508 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
7509 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
7510 (spur_va_arg): New stub.
7512 * configure.in: Comment out pyramid.
7514 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
7516 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
7517 don't conflict with the bits that win32, cygwin, and dgux
7520 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
7521 Bernd Schmidt <bernds@cygnus.co.uk>
7523 * integrate.c (function_cannot_inline_p): Do not inline
7524 functions with forced labels.
7526 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
7527 Bernd Schmidt <bernds@cygnus.co.uk>
7528 Mark Mitchell <mark@codesourcery.com>
7530 * Makefile.in (ggc-simple.o): Depend on varray.h.
7531 (rtl.o): Depend on ggc.h.
7532 (genattrtab.o): Depend on ggc.h.
7533 (print-tree.o): Likewise.
7534 (fold-const.o): Likewise.
7535 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
7536 (make_insn_raw): Don't cache insns when GC'ing.
7537 (emit_insn_before): Likewise.
7538 (emit_insn_after): Likewise.
7539 (emit_insn): Likewise.
7540 (start_sequence): Use xmalloc to allocate the sequence_stack.
7541 (end_sequence): Add free to free it.
7542 (gen_sequence): Don't cache insns when GC'ing.
7543 (clear_emit_caches): Don't use sequence_element_free_list.
7544 (init_emit): Use xcalloc, not xmalloc+bzero.
7545 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
7546 * function.c (pop_function_context_from): Use free to free the
7547 fixup_var_refs_queue.
7548 (put_reg_into_stack): Allocate it with xmalloc.
7549 * genattrtab.c: Include ggc.h.
7550 (operate_exp): Don't use obstack_free when GC'ing.
7551 (simplify_cond): Likewise.
7552 (simplify_text_exp): Likewise.
7553 (optimize_attrs): Likewise.
7554 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
7556 (gencode): Generate a #include for ggc.h.
7557 * ggc-callbacks.c (ggc_p): Define it to zero.
7558 * ggc-none.c (ggc_p): Likewise.
7559 * ggc-simple.c: Include varray.h.
7560 (ggc_mark_tree_varray): New function.
7561 (ggc_add_tree_varray_root): Likewise.
7562 (ggc_mark_tree_varray_ptr): Likewise.
7563 * ggc.h (ggc_p): Declare.
7564 (varray_head_tag): Likewise.
7565 (ggc_add_tree_varray_root): Declare.
7566 * print-tree.c (print_node): Don't check for TREE_PERMANENT
7567 inconsistencies when GC'ing.
7568 * rtl.c: Include ggc.h.
7569 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
7570 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
7571 (rtx_free): Don't call obstack_free when GC'ing.
7572 * toplev.c (rest_of_compilation): Call ggc_collect after every
7574 * tree.c (push_obstacks): Do nothing, if GC'ing.
7575 (pop_obstacks_nochange): Likewise.
7576 (pop_obstacks): Likewise.
7577 (make_node): Use ggc_alloc_tree when GC'ing.
7578 (copy_node): Likewise.
7579 (get_identifier): Use ggc_alloc_string when GC'ing.
7580 (build_string): Likewise.
7581 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
7582 (tree_cons): Likewise.
7584 (type_hash_canon): Don't call obstack_free when GC'ing.
7586 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
7588 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
7589 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
7591 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
7592 Bernd Schmidt <bernds@cygnus.co.uk>
7593 Mark Mitchell <mark@codesourcery.com>
7595 * Makefile.in (stor-layout.o): Depend on ggc.h.
7596 (expr.o): Depend on ggc.h.
7597 (profile.o): Depend on ggc.h.
7598 (stor-layout.o): Depend on ggc.h.
7599 * emit-rtl.c (init_emit_once): Add gc roots.
7600 * expr.c: Include ggc.h.
7601 (emit_block_move): Add gc roots.
7602 (clear_storage): Likewise.
7603 * expr.h (init_stor_layout_once): New function.
7604 * profile.c: Include ggc.h.
7605 (init_arc_profiler): profiler_label is a root.
7606 * scan.c (make_sstring_space): Trust xrealloc to function
7607 correctly with first parameter NULL.
7608 * stor-layout.c: Include ggc.h.
7609 (set_sizetype): Add gc root.
7610 (init_stor_layout_once): New function.
7611 * toplev.c (compile_file): Call it.
7613 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
7614 Bernd Schmidt <bernds@cygnus.co.uk>
7615 Mark Mitchell <mark@codesourcery.com>
7617 * Makefile.in (tree.o): Depend on ggc.h.
7618 (varasm.o): Likewise.
7619 (function.o): Likewise.
7621 (except.o): Likewise.
7622 (optabs.o): Likewise.
7623 (emit-rtl.o): Likewise.
7624 * emit-rtl.c: Include ggc.h.
7625 (sequence_element_free_list): Remove, and all references.
7626 (mark_sequence): New functions.
7627 (mark_emit_state): New function.
7628 * except.c: Include ggc.h.
7629 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
7630 (mark_tree_label_node): New functions.
7631 (mark_eh_state): New function.
7632 * function.c: Include ggc.h.
7633 (mark_temp_slot, mark_function_chain): New functions.
7634 (mark_function_state): New function.
7635 (init_function_once): New function.
7636 * function.h (init_function_once): New function.
7637 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
7638 * ggc.h (label_node): Declare.
7639 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
7640 (lang_mark_false_label_stack): New function.
7641 (mark_temp_slot): Remove declaration.
7642 (mark_function_chain): Likewise.
7643 (mark_eh_state): Adjust prototype.
7644 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
7646 * optabs.c: Include ggc.h.
7647 (mark_optab): New function.
7648 (init_optabs): Add gc roots.
7649 * stmt.c: Include ggc.h.
7650 (mark_cond_nesting, mark_loop_nesting): New functions.
7651 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
7652 (mark_stmt_state): New function.
7653 * toplev.c (compile_file): Call init_function_once.
7654 * tree.c: Include ggc.h.
7655 (type_hash): Move declaration earlier in file.
7656 (TYPE_HASH_SIZE, type_hash_table): Likewise.
7657 (init_obstacks): Add gc roots.
7658 (mark_type_hash): New function.
7659 * varasm.c: Include ggc.h.
7660 (mark_pool_constant): New function.
7661 (mark_varasm_state): New function.
7663 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7665 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
7667 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7669 * c-decl.c (struct language_function): Renamed from struct c_function.
7671 (c_function_chain): Delete.
7672 (push_c_function_context): New arg F. Don't warn about nested
7673 functions here. Fill LANGUAGE elt of F. Delete code to update
7674 c_function_chain. Don't call push_function_context.
7675 (pop_c_function_context): New arg F. Restore from there instead of
7676 from c_function_chain. Don't call pop_function_context. Clear out
7677 LANGUAGE field of F when done.
7678 * c-lang.c: Include "function.h"
7679 (lang_init): Initialize save_lang_status and restore_lang_status.
7680 * c-parse.in (nested_function, nested_function_notype): Warn about
7681 nested functions. Call push_function_context/pop_function_context
7682 instead of the _c_ variants.
7683 * c-tree.h (push_c_function_context, pop_c_function_context): Update
7685 * Makefile.in (c-lang.o): Update dependencies.
7687 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
7688 regno_pointer_flag, regno_pointer_align.
7689 (gen_reg_rtx): Use xrealloc to enlarge them.
7690 (free_emit_status): New function.
7691 * function.c (mark_machine_status, mark_lang_status): New variables.
7692 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
7693 in some bits from assign_stack_local. All callers changed to use new
7695 (assign_stack_local): Just call assign_stack_local_1.
7696 (free_after_compilation): New function.
7697 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
7698 (trampoline_address): Likewise.
7699 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
7700 (prepare_function_start): Explicitly clear some more variables.
7701 * function.h (struct function): New elt can_garbage_collect.
7702 (mark_machine_status, mark_lang_status): Declare variables.
7703 (free_after_compilation, free_emit_status, free_varasm_status,
7704 init_varasm_status): Declare functions.
7705 * toplev.c (rest_of_compilation): Call free_after_compilation when
7706 done with the current function.
7707 * varasm.c (free_varasm_status): New function.
7709 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
7711 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
7712 (EXPAND_BUILTIN_VA_ARG): Define.
7713 * sparc.c (sparc_va_start): New.
7714 (sparc_va_arg): New.
7716 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7718 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
7720 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7722 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
7724 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
7726 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
7728 (ggc-callbacks.o): New target.
7729 * ggc-callbacks.c: New file.
7731 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7733 * expr.h: Collapse individual optab and libfunc vars to arrays.
7734 (optab_index, libfunc_index): New enumerations.
7735 (optab_table, libfunc_table): New arrays.
7736 Add accessor macros for both.
7738 * optabs.c (optab_table, libfunc_table): New.
7739 Delete declarations for individual optab and libfunc vars.
7741 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
7743 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
7745 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
7747 * Makefile.in (GGC, GGC_LIB): New.
7748 (HOST_RTL): Include ggc-none.o.
7749 (ggc-simple.o): New target.
7750 (ggc-none.o): Likewise.
7751 * tree.h (tree_common): Add gc_mark.
7752 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
7753 (struct rtvec_def): Add gc_mark.
7754 * emit-rtl.c (global_rtl): Update static initializers to contain
7755 enough initializers.
7756 * ggc.h, ggc-none.c, ggc-simple.c: New files.
7757 * toplev.c (gc_time): New variable.
7758 (all_time): New variable.
7759 (compile_file): Print gc time.
7760 (print_time): Calculate percentage of the whole.
7762 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7764 Change obstack memory management and varasm constant pool handling so
7765 that nested functions are treated like any other functions.
7766 * function.c (init_machine_status): New variable.
7767 (push_function_context_to): Set contains_functions for the outer
7768 function. Don't call save_varasm_status.
7769 (pop_function_context_from): Don't call restore_varasm_status. Don't
7770 set current_function_contains_functions.
7771 (prepare_function_start): Call init_varasm_status rather than
7772 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
7774 * function.h (struct function) Add field varasm. Delete fields
7775 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
7776 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
7777 (init_machine_status): Declare.
7778 (save_varasm_status, restore_varasm_status): Delete declarations.
7779 (save_tree_status, restore_tree_status): Delete last argument.
7780 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
7781 code. All callers changed.
7782 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
7783 save_constants_in_decl_trees, restore_constants, save_constants,
7784 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
7786 (inlining): New variable.
7787 (reg_map, label_map, insn_map, orig_asm_operands_vector,
7788 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
7790 (save_for_inline_nocopy): Don't save constants.
7791 Don't set inl_emit field in current_function.
7792 (expand_inline_function): Use emit field, not inl_emit, of the inlined
7793 function. Set new variable inlining before
7794 calling copy_rtx_and_substitute.
7795 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
7796 constant pool references if inlining is nonzero.
7797 Delete ADDRESS and (most of the) CONST cases.
7798 (output_inline_function): Save and restore current_function/
7799 current_function_decl. Delete restore_constants code. Don't call
7800 init_const_rtx_hash_table.
7801 * output.h (init_const_rtx_hash_table): Don't declare.
7802 * rtl.h (struct function): Declare.
7803 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
7804 * toplev.c (rest_of_compilation): Don't treat nested functions or
7805 functions containing them specially. Delete all code to deal with
7806 save_for_inline_copying.
7807 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
7808 inline_obstacks): Delete variables.
7809 (save_tree_status): Lose arg CONTEXT. All callers changed.
7810 Simply allocate a new function_maybepermanent_obstack for the new
7811 function, delete all the special cases.
7812 Don't save inline_obstacks.
7813 (restore_tree_status): Lose arg CONTEXT. All callers changed.
7814 Delete special handling for function_maybepermanent_obstack; simply
7816 Don't restore inline_obstacks.
7817 (permanent_allocation): Delete code that frees inline_obstacks.
7818 (print_inline_obstack_statistics): Delete function.
7819 (dump_tree_statistics): Don't call it.
7820 * varasm.c (struct varasm_status): New.
7821 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
7822 last_pool, pool_offset, const_double_chain): Delete global
7823 variables, replace with accessor macros.
7824 (immed_double_const): Don't walk const_double_chain outside a
7825 function, but don't treat nested functions specially anymore.
7826 (immed_real_const_1): Likewise.
7827 (clear_const_double_mem): Don't treat nested functions specially.
7828 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
7829 (save_varasm_status, restore_varasm_status): Delete functions.
7830 (init_varasm_status): New function.
7831 (force_const_mem): Don't treat nested functions specially.
7832 (find_pool_constant): Accept new arg F, search for constants in
7833 that function's pool rather than the current one. All callers
7835 (get_pool_constant_for_function, get_pool_mode_for_function): New
7838 * i386.c (init_386_machine_status): New function, mostly from
7839 clear_386_stack_locals.
7840 (struct machine_functions): Rename element names to avoid name
7842 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
7843 macros, replacing global variables.
7844 (clear_386_stack_locals, save_386_machine_status,
7845 restore_386_machine_status): Delete functions.
7846 (override_options): Initialize init_machine_status.
7847 * i386.h (INIT_EXPANDERS): Delete macro.
7848 (save_386_machine_status, restore_386_machine_status,
7849 clear_386_stack_locals): Delete declarations.
7851 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7853 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
7854 (doloop_begin): Simplify pattern and use emit_jump_insn.
7855 (doloop_end): Simplify pattern, switch operand order,
7856 and use emit_jump_insn.
7858 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7860 * function.h (struct function): Add new element LANGUAGE.
7861 (save_lang_status): Declare new variable.
7862 (restore_lang_status): Likewise.
7863 * function.c (save_lang_status): Define.
7864 (restore_lang_status): Likewise.
7865 (push_function_context_to): Call language-specific save function.
7866 (pop_function_context_from): Call language-specific restore function.
7868 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
7870 * i386.md (movsf_1): Check REG_P before use of REGNO.
7871 (movdf_1): Likewise.
7872 (movxf_1): Likewise.
7873 (extendsfdf2): Likewise.
7874 (extendsfxf2): Likewise.
7875 (extenddfxf2): Likewise.
7877 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7879 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
7880 constants into memory.
7881 (c4x_shiftable_constant): New function.
7882 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
7883 (c4x_shiftable_constant): Declare.
7884 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
7885 ashlqi3_noclobber): Add new patterns and associated splitters.
7887 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
7889 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
7890 * dwarf2out.c (dwarf2out_frame_init): Likewise.
7891 * final.c (shorten_branches): Likewise.
7892 * global.c (global_alloc): Likewise.
7893 * haifa-sched.c (build_control_flow): Likewise.
7894 * stmt.c (check_for_full_enumeration_handling): Likewise.
7895 (estimate_case_costs): Likewise.
7897 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
7899 * rtl.h (RTL_CHECKC2): Fix typo in last change.
7901 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
7903 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
7904 (recompute_reg_usage): Likewise.
7905 * rtlanal.c (find_regno_fusage): Likewise.
7907 * rtl.c (rtl_check_failed_code1): New function.
7908 (rtl_check_failed_code2): New.
7909 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
7910 (RTL_CHECKC1, RTL_CHECKC2): New.
7911 (XC*): New accessor macros.
7912 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
7913 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
7914 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
7915 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
7916 (TRAP_*, RANGE_INFO_*): Likewise.
7918 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7920 * Makefile.in (tlink.o): Don't depend on toplev.h.
7922 * collect2.c (c_file, o_file, export_file, import_file, ldout,
7923 output_file, nm_file_name, ldd_file_name, strip_file_name,
7924 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
7925 add_prefix, prefix_from_env, prefix_from_string, do_wait,
7926 fork_execute, maybe_unlink, add_to_list,
7927 extract_init_priority, write_list, dump_list,
7928 dump_prefix_list, write_list_with_asm, write_c_file,
7929 write_c_file_stat, write_c_file_glob, scan_prog_file,
7930 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
7931 ignore_library, extract_string, notice, dump_file, target_machine,
7932 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
7933 read_file, print_load_command): Constify a char*.
7934 (fdopen, error, fatal, fatal_perror): Don't prototype.
7935 (my_strerror): Remove. All callers use xstrerror instead.
7936 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
7937 (main): Add prototype. Constify lots of char* ptrs. Change calls
7938 to xcalloc/strcpy/strcat/... to one call to concat.
7939 (main, scan_prog_file, scan_libraries): Use an intermediate
7940 `const char **' to build an argv array.
7941 (mapfile, libselect, libcompare, locatelib): Add prototypes.
7943 * collect2.h (collect_execute, collect_wait, dump_file,
7944 file_exists): Constify a char*.
7945 (ldout, c_file_name, temporary_obstack, permanent_obstack,
7946 temporary_firstobj, vflag, debug): Add extern declarations.
7947 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
7949 * tlink.c: Don't include toplev.h.
7950 (vflag, debug, ldout, c_file_name, temporary_obstack,
7951 permanent_obstack, temporary_firstobj): Don't declare.
7952 (tlink_execute, frob_extension, symbol_hash_lookup,
7953 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
7954 recompile_files, read_repo_files, demangle_new_symbols,
7955 scan_linker_output): Constify a char*.
7956 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
7957 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
7959 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
7961 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
7962 (relative) rather than jsr (absolute) subroutine call insns.
7963 * config/m68k/m68k-coff.h: Ditto.
7965 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
7967 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
7968 now rework these too.
7969 (arm_reorg): If an insn can't reach the end of the current pool,
7970 ensure that we emit that pool before the insn.
7972 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
7974 * tlink.c (scan_linker_output): Skip the initial underscore in
7975 a mangled name if appropriate.
7977 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7979 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
7980 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
7981 error_with_ivar, gen_declarator, create_builtin_decl,
7982 my_build_string, generate_descriptor_table, generate_ivars_list,
7983 generate_dispatch_table, check_protocols, TAG_GETCLASS,
7984 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
7985 dump_base_name, lang_decode_option, build_encode_expr,
7986 start_class, finish_class, encode_pointer, really_start_method,
7987 gen_declaration, dump_interface, handle_class_ref, handle_impent):
7989 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
7990 Add static prototypes.
7991 (build_objc_string_decl, build_selector_reference_decl,
7992 encode_bitfield, build_class_reference_decl): Remove unused
7993 parameter, all callers changed.
7994 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
7995 (objc_printable_name): Likewise. Change second parameter to type int.
7996 (init_objc): Use memcpy, not bcopy, to avoid casts.
7998 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
8000 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
8001 reg notes on a deleted insn.
8002 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
8004 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
8006 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
8008 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8010 * stmt.c (expand_asm_operands): Fix index into inout_mode when
8013 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
8015 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
8016 * tm.texi (MD_ASM_CLOBBERS): Document it.
8018 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
8020 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
8021 * except.c (expand_rethrow): Remove unused variable.
8022 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
8023 * flow.c (replace_insns): Likewise.
8024 (create_edge_list, verify_edge_list): Likewise.
8025 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
8027 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
8028 is special code to run.
8029 (main): Don't define operands to emit_operand.
8030 * genrecog.c (main): Don't emit an empty peephole2_insn function.
8032 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
8034 * alpha/alpha.h (normal_memory_operand): Declare.
8035 (reg_no_subreg_operand): Declare.
8036 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
8038 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
8040 * c-parse.in (compstmt_primary_start): New, broken out of first
8041 part of compstmt handling in primary.
8042 (primary): Use it. Add an error clause.
8043 (compstmt_nostart): Renamed from compstmt; remove all
8044 initial invocations of compstmt_start.
8047 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
8049 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
8052 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
8054 * combine.c (simplify_shift_const): Remove extra semicolon.
8055 * dwarf2out.c (remove_AT): Likewise.
8056 * expmed.c (expand_mult): Likewise.
8057 * gcov.c (create_program_flow_graph): Likewise.
8058 * reorg.c (mostly_true_jump): Likewise.
8060 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
8062 * fold-const.c (fold_range_test): Do not try to fold the range
8063 test if the rhs or lhs has side effects.
8065 * combine.c (simplify_rtx): Recognize another case of a synthesized
8068 * varasm.c (mark_constant_pool): When marking indirect references,
8069 only look at SYMBOL_REFs.
8071 * except.c (expand_fixup_region_end): Do not peek at
8072 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
8074 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
8076 * flags.h: New variables align_loops, align_loops_log,
8077 align_jumps, align_jumps_log, align_labels, align_labels_log,
8078 align_functions, align_functions_log.
8079 * toplev.c: Define them.
8080 (f_options): Handle -falign-* when they have no argument.
8081 (main): Add logic to set variables for -falign-functions,
8082 -falign-jumps, -falign-labels, -falign-loops.
8083 Make it -fsched-verbose=<n> and -finline-limit=<n>.
8084 (display_help): Change help to match options.
8085 * final.c (LABEL_ALIGN): Default to align_labels_log.
8086 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
8087 (LOOP_ALIGN): Default to align_loops_log.
8088 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
8089 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
8090 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
8091 * varasm.c (assemble_start_function): Handle align_functions.
8093 * config/sparc/sparc.h: Don't declare sparc_align_*.
8094 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
8095 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
8097 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
8099 * config/sparc/sparc.c: Delete sparc_align_loops,
8100 sparc_align_jumps, sparc_align_funcs and the corresponding string
8102 (sparc_override_options): Default align_functions on ultrasparc.
8103 Delete -malign-* handling.
8105 * config/mips/mips.c (override_options): On 64-bit targets,
8106 try to align code to 64-bit boundaries.
8107 (print_operand): New substitution, %~,
8108 which aligns labels to align_labels_log.
8109 * config/mips/mips.md (div_trap_normal): Use %~.
8110 (div_trap_mips16): Likewise.
8115 (ashldi3_internal): Likewise.
8116 (ashrdi3_internal): Likewise.
8117 (lshrdi3_internal): Likewise.
8118 (casesi_internal): Likewise.
8120 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
8122 Merge new ia32 backend from the branch!
8124 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
8125 See ChangeLog.P2 on new_ia32_branch for details.
8127 * rtl.h (stack_regs_mentioned_p): Delete prototype.
8128 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
8129 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
8130 * i386/gas.h (ASM_FILE_START): Define.
8131 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
8132 for name change of ix86_valid_decl_attribute_p.
8133 (i386_pe_valid_type_attribute_p): Similarly.
8135 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
8137 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
8138 to step through CC modes.
8140 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8142 * regmove.c (fixup_match_1): Don't move INSN in front of P if
8143 it would end up in the shadow of a live flags regsiter.
8145 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8147 * reload1.c: Fix many indentation problems.
8148 * reload.c: Likewise.
8150 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
8152 * alias.c (non_local_reference_p): Constify fmt.
8154 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
8156 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
8158 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
8160 * cse.c (delete_trivially_dead_insns): Do not delete stores to
8161 the internal_arg_pointer.
8163 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
8165 Merge peephole2 from new_ia32_branch:
8166 * Makefile.in (STAGESTUFF): Add *.peephole2.
8167 (mostlyclean): Likewise.
8168 (recog.o): Depend on resource.h.
8170 * final.c (peephole): Conditionalize decl on HAVE_peephole.
8171 (final_scan_insn): Likewise for the invocation of peephole.
8172 * genconfig.c (main): Look for peephole and peephole2 patterns.
8173 Emit HAVE_peephole* accordingly.
8174 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
8175 * flags.h (flag_peephole2): Declare.
8176 * toplev.c: New pass peephole2. New flag -fpeephole2.
8178 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
8179 * gencodes.c (main): Likewise.
8180 * genextract.c (main): Likewise.
8181 * genoutput.c (main): Likewise.
8182 * genemit.c (max_operand_1): Look for the max scratch operand.
8183 (gen_rtx_scratch): New.
8184 (gen_exp): Use it, and pass on new arg subroutine_type.
8185 (gen_expand): Take max scratch into account.
8186 (gen_split): Emit peephole2 functions.
8187 (output_peephole2_scratch): New.
8188 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
8189 * genrecog.c (routine_type): Add PEEPHOLE2.
8191 (make_insn_sequence): Match outer parallel for peep2. Discard
8192 top level scratches and dups.
8193 (add_to_sequence): New args insn_type and top. Update all callers.
8194 Handle toplevel peep2 matching insns.
8195 (write_subroutine): Handle peep2.
8196 (write_tree_1): Likewise.
8197 (write_tree): Likewise.
8199 (change_state): New arg afterward. Update all callers.
8200 Handle matching separate insns.
8201 * recog.c (recog_next_insn): New.
8202 (peephole2_optimize): New.
8203 * rtl.def (DEFINE_PEEPHOLE2): New.
8204 * resource.c (find_free_register): New argument last_insn. Use it
8205 to find a register available through the entire span.
8206 * resource.h (find_free_register): Update prototype.
8208 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
8210 * i386.c (output_strlen_unroll): Don't write xops[7]
8211 label if it wasn't set.
8213 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
8215 * cpplib.c (struct directive): Const-ify name pointer and
8216 function pointer prototype.
8217 (validate_else, do_define, do_line, do_include, do_undef,
8218 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
8219 do_elif, do_endif, do_sccs, do_assert, do_unassert,
8220 do_warning): Const-ify second arg.
8221 (directive_table): Mark const. Reorder entries by frequency
8222 of usage, record statistics.
8224 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
8226 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
8227 bounds- check RTL accesses if --enable-checking.
8228 (RTVEC_ELT): Bounds check if --enable-checking.
8229 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
8230 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
8231 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
8233 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
8234 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
8236 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
8237 (NOTE_SOURCE_FILE): Use X0STR.
8238 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
8239 MEM_ALIAS_SET): Use X0INT.
8240 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
8241 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
8243 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
8244 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
8245 (rtl_check_failed_bounds, rtl_check_failed_type1,
8246 rtl_check_failed_type2, rtvec_check_failed_bounds): New
8248 (fancy_abort): Fix comment.
8250 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
8251 (cse_insn): Decrement LABEL_NUSES for jump target before
8253 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
8254 * final.c (alter_subreg): Compute regno before changing x to
8255 REG; set REGNO(x) after changing it.
8256 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
8257 notes containing CONST_INTs.
8258 (delete_eh_regions): Use NOTE_EH_HANDLER.
8259 * function.c (put_reg_into_stack): Make reg a MEM before
8261 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
8263 (gen_mem_addressof): Make reg a MEM before initializing it.
8264 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
8266 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
8267 deleting an insn, not after.
8268 (block_alloc): Only look at PATTERN(insn) if we have to, and
8269 only if it's format class 'i'.
8270 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
8271 CONST_INT before using its INTVAL.
8272 * print-rtl.c (print_rtx): Use X0STR.
8273 * regmove.c (fixup_match_1): Don't look at PATTERN of
8274 non-class-'i' insn chain elements.
8275 * reload.c (loc_mentioned_in_p): Take address of
8276 in->fld[1].rtx directly.
8277 * reload1.c (reload): Change reg to a MEM before initializing
8279 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
8281 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
8283 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
8285 * config/mips/mips.c (machine_dependent_reorg): Force a
8286 barrier to output the local constant pool if a barrier hasn't
8287 been found at a natural point in the instruction stream.
8289 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8291 * c-parse.in (language_string): Constify.
8293 * dwarf2out.c (language_string): Remove declaration.
8295 * dwarfout.c (language_string): Likewise.
8297 * toplev.c (language_string, init_parse, finish_parse): Likewise.
8299 * tree.h (language_string, init_parse, finish_parse): Declare.
8301 * i386/sun386.h (language_string): Remove declaration.
8303 * mips.h (language_string): Likewise.
8305 * nextstep.h (language_string): Likewise.
8307 * nextstep21.h (language_string): Likewise.
8309 * rs6000.c (language_string): Likewise.
8311 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8313 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
8314 (getpwd.o): Remove target.
8316 * getpwd.c: Delete file. Its in libiberty now.
8318 * dbxout.c (getpwd): Don't prototype.
8319 * dwarf2out.c (getpwd): Likewise
8320 * dwarfout.c (getpwd): Likewise
8321 * final.c (getpwd): Likewise.
8322 * protoize.c (getpwd): Likewise.
8324 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8326 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
8328 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
8330 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
8333 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
8335 * fixinc/Makefile.in (subdir): New.
8336 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
8339 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
8341 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
8342 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
8345 * invoke.texi: Fix typo.
8347 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
8348 changed. Handle autoincrement addressing modes.
8350 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
8351 just like we would the virtual incoming args register when
8354 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
8356 * rs6000.h (ASM_FILE_START): Specify complete filename, including
8357 path, in .file directive.
8359 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
8361 * gcc.texi (External Bugs): Remove obsolete note about Perl on
8364 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
8366 * stdbool.h: Make the typedef name _Bool, with bool a #defined
8369 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8371 * tree.c (tree_code_name): Constify a char*.
8373 * tree.h (tree_code_name, decl_printable_name): Likewise.
8375 * function.h (struct function): Likewise.
8377 * toplev.c (decl_name, decl_printable_name): Likewise.
8379 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
8381 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
8382 (init_objc): Remove function pointer cast.
8384 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
8386 * pa.md (interspace_jump): New pattern.
8387 (builtin_longjmp): New expander.
8389 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
8391 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
8392 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
8393 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
8395 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
8397 * jump.c (delete_prior_computation): Also check calls
8398 to constant functions. Don't bother checking for a
8399 REG_UNUSED note before adding it.
8400 (delete_computation): Handle multi-word hard registers
8401 when synthesizing missing REG_DEAD notes for a register
8402 which is both set and used by an insn.
8404 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8406 * loop.c (this_loop_info): New variable.
8407 (loop_has_call, loop_has_volatile, loop_has_tablejump,
8408 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
8410 (prescan_loop, strength_reduce): New argument loop_info. All callers
8412 (scan_loop): New variable loop_info, initialise to address of
8414 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
8415 Delete variable loop_has_multiple_exit targets and replace with
8416 field in this_loop_info.
8417 (find_and_verify_loops): Rename this_loop to this_loop_num.
8418 (strength_reduce): Delete loop_iteration_info. Replace variable
8419 loop_info with function argument of same name.
8420 (insert_bct): Rework test for loop being completely unrolled.
8422 * loop.h (struct loop_info): New fields num, loops_enclosed,
8423 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
8424 has_indirect_jump, and cont. Redefine use of unroll_number.
8425 (loop_unroll_number): Delete.
8427 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
8429 (loop_iterations): Delete variable vtop and instead use
8430 loop_info->vtop computed in prescan_loop.
8432 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
8434 * fix-header.c (main): Do not pass a null pointer to strcmp.
8436 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
8438 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
8440 * configure: Rebuilt.
8442 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
8444 * jump.c (jump_optimize_1): Do not delete assignments to
8445 internal_arg_pointer.
8446 * cse.c (delete_trivially_dead_insns): Always consider a set of
8447 the internal_arg_pointer live.
8449 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
8451 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
8452 (update_life_info) [REG_WAS_0]: Search the original insns rather
8453 than the new insns for the note. Fix typos finding note_dest.
8454 If no dest found, discard the note rather than abort.
8455 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
8456 (replace_insns): Remove the old insn list after update_life_info
8459 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
8461 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
8463 (sched_analyze_1): Let add_dependence care for not adding dups.
8464 (sched_analyze_2): Likewise.
8465 (add_branch_dependences): Likewise.
8467 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
8469 * i386/winnt.c (export_list): New type.
8470 (exports_head): Rename to
8471 (export_head): this.
8472 (i386_pe_record_exported_symbol): Add is_data flag.
8473 (i386_pe_asm_file_end): Emit directive for exported variables.
8474 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
8476 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
8477 (ASM_DECLARE_OBJECT_NAME): Likewise.
8478 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8479 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
8481 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
8483 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
8485 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
8488 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
8490 * config/openbsd.h: Define SET_ASM_OP.
8491 * tm.texi: cross-reference SET_ASM_OP in the index.
8493 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
8495 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
8496 for a CONST_DOUBLE, at compile time. Initialize rtx_length
8497 and class_narrowest_mode at compile time. Kill init_rtl.
8498 Mark rtx_length, mode_class, mode_size, mode_unit_size,
8499 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
8500 rtx_format as const. Kill all references to EXTRA_CC_MODES or
8502 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
8504 * rtl.h: Declare rtx_length and rtx_format as const.
8505 * machmode.def: Define CC(). Use CC() to define CCmode. If
8506 EXTRA_CC_MODES is defined, expand it here.
8507 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
8508 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
8509 const. Kill all references to EXTRA_CC_MODES.
8511 * toplev.c: Don't prototype or call init_rtl.
8512 * optabs.c: Don't call init_mov_optab.
8513 * genemit.c: Don't generate init_mov_optab. Don't call
8515 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
8517 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
8518 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
8519 genrecog.c: Don't call init_rtl.
8521 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
8522 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
8523 definition of EXTRA_CC_MODES.
8525 * md.texi: Kill ref to EXTRA_CC_NAMES.
8526 * tm.texi: Document new way to define EXTRA_CC_MODES.
8528 * genrecog.c: Do not look up the name of a define_split.
8531 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
8533 * config/v850/v850.md: Fix typo introduced by previous delta.
8535 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8537 * gcc.c (fatal): Make definition static to match prototype.
8539 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8541 * combine.c (get_last_value): Don't look for earlier sets if the last
8542 known set is somewhere in between the insns being combined.
8544 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
8546 * configure.in: Don't use shell ! to negate exit codes
8547 * configure: Regenerate
8549 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
8551 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
8552 the fact that ALIGN is measured in bits, not bytes.
8554 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
8556 * errors.c: New file; defines functions error, warning, and
8557 fatal, variables have_error and progname.
8558 * errors.h: New file; prototypes and decls for stuff in errors.c.
8560 * Makefile: Add rules to build errors.o and
8561 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
8562 genopinit, genrecog, genextract, genpeep, genattr, and
8563 genoutput with errors.o. Add errors.h to deps of genconfig.o,
8564 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
8565 genpeep.o, genattr.o, and genoutput.o.
8567 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
8568 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
8569 define or prototype fatal. Set progname at beginning of main.
8570 * genoutput.c: Likewise, and don't define or prototype error
8573 * c-typeck.c (c_expand_start_case): Return immediately if exp
8575 * fold-const.c (operand_equal_p): Return immediately if arg1
8576 or arg0 are ERROR_MARKs.
8577 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
8578 fields of type ERROR_MARK when calculating if the record can
8581 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
8582 with much help from Jeffrey A Law and Richard Henderson
8584 * i386.md: In the 6 insns which call output_fix_trunc,
8585 earlyclobber operands[0].
8587 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
8589 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
8590 creating new registers.
8592 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
8594 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
8595 i386_reg_alloc_order, i386_regparm_string,
8596 i386_align_loops_string, i386_align_jumps_string,
8597 i386_align_funcs_string, i386_preferred_stack_boundary_string,
8598 and i386_branch_cost_string as type "const char *".
8599 * i386.c: Define all above strings as type "const char *".
8601 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
8603 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
8604 when emitting alignment padding. Emit padding byte of 0 instead of 4.
8606 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
8608 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
8609 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
8611 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
8613 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
8614 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
8615 (dwarf2out_line, dwarf2out_finish): Likewise.
8616 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
8618 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
8620 * tree.c (lang_unsave_expr_now) : Correct return type.
8621 * tree.h (lang_unsave_expr_now) : Same.
8623 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
8625 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
8626 instead of duplicating code.
8628 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8630 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
8632 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
8634 * tree.h: fancy_abort always takes three args.
8635 * resource.c: Move include of system.h before toplev.h.
8637 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
8639 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
8642 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
8644 * system.h: Don't redefine abort or trim_filename.
8645 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
8646 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
8647 whether or not __FUNCTION__ is available.
8648 * tree.h: Duplicate rtl.h's definition of abort, for files
8649 that don't include rtl.h. Delete all code to perform type
8650 checking with a compiler other than GCC.
8651 * varray.h: Delete all code to perform type checking with a
8652 compiler other than GCC. Make VARRAY_CHECK() always evaluate
8653 its arguments exactly once, using a statement expression.
8654 Adjust the VARRAY_<type> accessor macros to match.
8655 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
8656 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
8657 caller's location. Define fatal_insn and fatal_insn_not_found
8658 as macros that use _fatal_insn and _fatal_insn_not_found.
8659 (fancy_abort, trim_filename): Kill prototypes.
8661 * rtl.c (trim_filename): Move here from toplev.c.
8662 (fancy_abort): New function.
8663 (DIR_SEPARATOR): Provide default definition.
8664 * tree.c (tree_check_failed, tree_class_check_failed): Go
8665 through fancy_abort.
8666 (tree_check, tree_class_check, cst_or_constructor_check,
8667 expr_check): Delete.
8668 * varray.c (varray_check_failed): New function.
8669 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
8670 _fatal_insn and _fatal_insn_not_found. Go through
8672 (trim_filename, fancy_abort): Delete.
8674 * builtins.c (expand_builtin_args_info): Report ICE with abort.
8675 * except.c (start_catch_handler): Report ICE with error/abort
8677 * final.c (output_operand_lossage): Likewise.
8678 * flow.c (verify_flow_info): Likewise.
8680 * gcc.c: Prototype fatal.
8681 * gengenrtl.c: Undef abort after including rtl.h not system.h.
8682 * genattr.c, genattrtab.c, genemit.c, genextract.c,
8683 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
8684 Don't define fancy_abort.
8686 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
8688 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
8691 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
8693 * m88k.h (VERSION_INFO2): Kill.
8694 (VERSION_STRING): Kill.
8696 (VERSION_INFO1): Tidy.
8697 (TARGET_VERSION): Update.
8698 * m88k/dgux.h (VERSION_INFO2): Kill.
8699 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
8700 * m88k/luna.h (VERSION_INFO1): Tidy.
8701 * m88k/sysv4.h (VERSION_INFO1): Likewise.
8702 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
8703 (output_file_start): Adjust for death of VERSION_STRING.
8705 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
8707 * cpplib.c (detect_if_not_defined): New function.
8708 (do_if): Use it to detect potential once-only headers.
8710 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
8712 * c-common.c (combine_strings): Always set TREE_CONSTANT.
8714 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
8716 * combine.c (nonzero_bits) : Allow single-ly set registers to be
8717 anywere in the function only if they are pseudos and set before
8718 being used (not live at the start of the function).
8719 (num_sign_bit_copies) : Same.
8720 (get_last_value_validate) : Same.
8721 (get_last_value) : Same.
8723 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
8725 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
8726 where N and M are constant and N is an integer multiple of M.
8728 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8730 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
8731 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
8732 sbitmap_union_of_preds): Add prototypes.
8733 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
8734 the intersection of successors with the new flow graph structures.
8735 (sbitmap_intersection_of_preds): New function to compute the
8736 intersection of predecessors with the new flow graph structures.
8737 (sbitmap_union_of_succs): New function to compute the union of
8738 successors with the new flow graph structures.
8739 (sbitmap_union_of_preds): New function to compute the union of
8740 predecessors with the new flow graph structures.
8741 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
8742 (expr_reaches_here_p): Use edge and basic_block structures instead
8743 of s_preds and s_succs.
8744 (compute_cprop_avinout): Use new sbitmap routines.
8745 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
8746 of s_preds and s_succs.
8747 * flow.c (compute_flow_dominators): Compute dominators using
8748 edges and basic blocks instead of s_preds and s_succs.
8750 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8752 * lists.c (unused_insn_list, unused_expr_list): New file for
8753 maintaining various types of lists. New statics for maintaining a
8754 cache of available INSN_LIST and EXPR_LIST nodes.
8755 (free_list): Static function for freeing a list of INSN/EXPR nodes.
8756 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
8757 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
8758 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
8759 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
8760 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
8761 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
8762 (free_INSN_LIST_node): Free an individual INSN_LIST node.
8763 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
8764 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
8765 (remove_dependence, free_pending_lists): Use new global routines.
8766 (flush_pending_lists, sched_analyze_insn): Use new global routines.
8767 (sched_analyze, compute_block_backward_dependences): Use new routines.
8768 (sched_analyze_1, sched_analyze_2): Use new routines.
8769 (schedule_insns): Use new global routines.
8770 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
8772 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
8773 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
8775 * toplev.c (rest_of_compilation): Initialize node cache.
8776 * Makefile.in (OBJS): Add lists.o to list of object files.
8777 (lists.o): Add dependancies.
8779 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
8781 * config/v850/v850.md: Fix compile time warning messages.
8782 * config/v850/v850.c: Fix compile time warning messages.
8783 * config/v850/v850.h: Fix compile time warning messages.
8785 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8787 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
8788 Remove unused prototype for `init_lengths'.
8790 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8792 * calls.c (emit_call_1): Mark parameter `stack_size' with
8794 (expand_call): Initialize variable `insn'.
8795 (emit_library_call): Likewise for variable `high_to_save'.
8796 (emit_library_call_value): Likewise.
8797 (store_one_arg): Likewise for variables `lower_bound' and
8800 * combine.c (try_combine): Likewise for variables `i2_code_number'
8801 and `other_code_number'.
8802 (find_split_point): Likewise for variables `pos', `unsignedp' and
8804 (simplify_if_then_else): Likewise for variables `op' and `c1'.
8805 (simplify_and_const_int): Remove unused variable `width'.
8806 (merge_outer_ops): Likewise.
8808 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
8809 HOST_WIDE_INT' when comparing against one.
8810 (simplify_relational_operation): Likewise.
8811 (cse_insn): Initialize variables `src_eqv_volatile',
8812 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
8814 * final.c (init_final): Constify parameter `filename'.
8815 (final_start_function): Mark parameter `optimize' with
8817 (profile_function): Likewise for parameters `first' and `optimize'.
8818 (output_source_line): Likewise for parameter `file'.
8820 * integrate.c (subst_constants): Cast a value to `size_t' when
8821 comparing against one.
8822 (mark_stores): Initialize variable `mode'. Cast a value to
8823 `size_t' when comparing against one.
8825 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
8827 * loop.c (move_movables): Initialize variable `first'.
8828 (strength_reduce): Likewise for variable `increment'.
8829 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
8830 value to `size_t' when comparing against one.
8831 (load_mems): Initialize variable `end_label'.
8833 * output.h (init_final): Constify parameter.
8835 * reload.c (decompose): Initialize variable `base'.
8837 * reload1.c (reload): Likewise for variable `is_scalar'.
8838 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
8839 (choose_reload_regs): Initialize variable `mode'.
8840 (emit_reload_insns): Likewise for variable `store_insn'.
8841 (reload_cse_noop_set_p): Mark parameter `insn' with
8843 (reload_combine): Initialize variable `set'.
8845 * unroll.c (unroll_loop): Likewise for variable `local_label'.
8846 (copy_loop_body): Cast a value to `size_t' when comparing against
8849 * varasm.c (assemble_variable): Initialize variable `size_tree'.
8850 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
8851 (remove_from_pending_weak_list): Mark parameter `name' with
8854 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8856 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
8859 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
8861 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
8862 (ASM_DECLARE_FUNCTION_NAME): Define.
8863 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
8864 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
8865 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
8866 not already defined.
8868 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
8870 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
8871 of n_popped when call/call_value are not defined.
8873 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
8875 * tm.texi: GNU CC -> GCC conversion.
8876 (CC1_SPEC): Indicate it is used for all language front ends.
8878 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
8880 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
8881 NOTE_INSN_EH_REGION_END correctly.
8883 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
8884 Jeff Law <law@cygnus.com>
8886 * loop.c (strength_reduce): Automatically unroll loops if the
8887 unrolled loop size is smaller than the rolled loop size.
8889 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
8890 and delete comment that code should be rewritten.
8892 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
8894 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
8897 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
8899 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
8901 * fixinc/mkfixinc.sh: Don't fix uwin headers.
8902 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
8903 (LINK_SPEC): Add -u _main when building executables.
8904 (ASM_DECLARE_FUNCTION): Update from Cygwin.
8905 (ASM_FILE_END): Use the default for ix86-pe.
8906 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
8908 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
8910 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
8911 and ASM_CLOSE_PAREN are empty strings.
8913 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
8914 Geoffrey Keating <geoffk@cygnus.com>
8916 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
8917 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
8918 (unprotoize.o): Ditto.
8919 (test-protoize-simple): Don't define STD_PROTO_DIR.
8920 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
8921 changes to make 'test-protoize-simple' pass.
8922 (STD_PROTO_DIR): Remove define.
8923 (STANDARD_EXEC_PREFIX): Supply default define.
8924 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
8925 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
8926 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
8927 (GET_ENV_PATH_LIST): New macro.
8928 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
8929 (do_processing): Initialize default_syscalls_dir using new
8930 macros. Use it to initialize syscalls_absolute_filename.
8932 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
8934 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
8935 B into a register before emit_conditional_move.
8937 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
8939 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
8940 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
8941 multiplicand out of (+ (* a b) (* c d)).
8943 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
8944 Richard Henderson <rth@cygnus.com>
8946 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
8947 (new_insn_dead_notes): Likewise.
8948 (update_n_sets): Likewise.
8949 (update_flow_info): Move to flow.c, renamed to update_life_info;
8950 extend to handle multiple source insns.
8951 * flow.c: Include resource.h
8952 (unlink_insn_chain): New.
8953 (split_hard_reg_notes): New.
8954 (maybe_add_dead_note): New.
8955 (maybe_add_dead_note_use): New.
8956 (find_insn_with_note): New.
8957 (new_insn_dead_notes): New.
8958 (update_n_sets): New.
8959 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
8960 (maybe_remove_dead_notes): New.
8961 (update_life_info): New.
8962 (prepend_reg_notes): New.
8963 (replace_insns): New.
8964 * output.h (update_life_info): Declare.
8965 * recog.c (split_block_insns): Use update_life_info.
8966 * resource.c (find_free_register): Use reg_alloc_order, don't use
8967 fixed regs, make sure the mode is supported, don't use new regs.
8969 * rtl.h (replace_insns): Declare.
8971 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
8973 * expr.c (expand_expr): Cope with COND_EXPRs with one
8974 non-returning branch.
8976 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
8978 * expr.c (store_expr): Always pass down the target, even when not
8981 1999-08-24 Nick Clifton <nickc@cygnus.com>
8983 * configure.in: Define target_cpu_default for v850 targets.
8984 * configure: Regenerate
8986 * config/v850/v850.h (TARGET_CPU_generic): Define.
8987 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
8988 addresses are 4 byte aligned.
8990 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
8993 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8995 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
8996 (main): Add prototypes.
8998 * genattrtab.c (substitute_address, write_const_num_delay_slots,
8999 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
9000 (write_attr_get): Emit prototypes along with function definition.
9001 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
9002 (write_complex_function): Emit static prototype along with
9003 function definition.
9005 * genemit.c (gen_split): Emit prototypes along with function
9008 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
9009 Likewise for predicates and `insn_operand_predicate'.
9010 (process_template): Emit static prototype along with function
9013 * genrecog.c (make_insn_sequence): Constify a char*. Add
9014 prototypes for get_split_*().
9015 (write_subroutine): Emit prototypes along with function
9018 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9020 * gcse.c (find_avail_set): Follow chains of register-register copies.
9021 Use oprs_not_set_p to guarantee that the returned value can be
9023 (cprop_insn): Don't verify the return value of find_avail_set with
9026 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
9027 (cprop_cc0_jump): New function.
9028 (cprop_insn): Break out new function cprop_jump and use it.
9029 Also use cprop_cc0_jump for machines with CC0.
9030 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
9032 * tree.h (current_function_calls_setjmp,
9033 current_function_calls_longjmp): Delete declarations.
9034 * dsp16xx.c: Include "function.h".
9035 * elxsi.c: Likewise.
9036 * gmicro.c: Likewise.
9037 * h8300.c: Likewise.
9040 * mn10200.c: Likewise.
9041 * mn10300.c: Likewise.
9042 * ns32k.c: Likewise.
9046 * rtl.h (rtx_equal_function_value_matters): Declare.
9047 * toplev.c (rtx_equal_function_value_matters): Don't declare.
9049 * function.c: Likewise.
9050 * emit-rtl.c: Likewise.
9052 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
9054 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
9057 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9059 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
9062 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
9064 * cpp.texi: Add a node documenting macro varargs (copied
9067 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
9069 * cppspec.c: Put a null pointer at the end of the new argv.
9071 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
9073 * configure.in: Remove code to select/de-select the haifa
9074 scheduler. Every scheduled port gets haifa now.
9075 * configure: Rebuilt.
9076 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
9078 * Makefile.in: Corresponding changes.
9080 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9082 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
9083 All callers changed.
9084 (prepare_float_lib_cmp): Likewise.
9085 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
9086 * expr.h (emit_float_lib_cmp): Delete declaration.
9087 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
9088 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
9089 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
9091 (cmptf): Now conditional on TARGET_HARD_QUAD.
9093 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
9095 * resource.c (mark_target_live_regs): Use
9096 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
9098 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9100 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
9102 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
9104 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
9106 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9108 * rtl.h (rtx_format): Constify a char*.
9110 * rtl.c (rtx_format): Likewise.
9111 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
9112 (init_rtl): Use accessor macro, not `rtx_format'.
9114 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
9117 * caller-save.c (mark_referenced_regs): Likewise.
9119 * combine.c (subst, make_compound_operation, known_cond,
9120 gen_rtx_combine, update_table_tick, get_last_value_validate,
9121 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
9123 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
9124 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
9125 count_reg_usage): Likewise.
9127 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
9130 * final.c (leaf_renumber_regs_insn): Likewise.
9132 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
9133 dump_edge_info, count_reg_references): Likewise.
9135 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
9136 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
9139 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
9140 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
9141 add_label_notes): Likewise.
9143 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
9144 clear_struct_flag, count_sub_rtxs, count_alternatives,
9145 compares_alternatives_p, contained_in_p, walk_attr_value,
9146 write_expr_attr_cache): Likewise.
9148 * genconfig.c (walk_insn_part): Likewise.
9150 * genemit.c (max_operand_1, gen_exp): Likewise.
9152 * genextract.c (walk_rtx): Likewise.
9154 * genflags.c (num_operands): Likewise.
9156 * genoutput.c (scan_operands): Likewise.
9158 * genpeep.c (match_rtx): Likewise.
9160 * genrecog.c (add_to_sequence): Likewise.
9162 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
9165 * integrate.c (save_constants, copy_for_inline,
9166 copy_rtx_and_substitute, subst_constants, restore_constants):
9169 * jump.c (mark_jump_label, invert_exp, redirect_exp,
9170 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
9172 * local-alloc.c (contains_replace_regs, memref_referenced_p):
9175 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
9176 add_label_notes, replace_call_address, count_nonfixed_reads,
9177 invariant_p, find_single_use_in_loop, find_mem_givs,
9178 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
9181 * print-rtl.c (reg_names, print_rtx): Likewise.
9183 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
9185 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
9186 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
9187 print_blocks): Likewise.
9189 * regclass.c (fix_register, record_address_regs,
9190 reg_scan_mark_refs): Likewise.
9192 * regmove.c (stable_but_for_p): Likewise.
9194 * reload.c (loc_mentioned_in_p, operands_match_p,
9195 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
9196 copy_replacements, refers_to_regno_for_reload_p,
9197 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
9198 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
9201 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
9202 delete_address_reloads_1, count_occurrences,
9203 reload_cse_mem_conflict_p, reload_combine_note_use,
9204 add_auto_inc_notes): Likewise.
9206 * resource.c (mark_referenced_resources, mark_set_resources):
9209 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
9210 reg_mentioned_p, regs_set_between_p, modified_between_p,
9211 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
9212 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
9213 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
9214 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
9216 * sched.c (sched_analyze_2, attach_deaths): Likewise.
9218 * stupid.c (stupid_mark_refs): Likewise.
9220 * unroll.c (remap_split_bivs): Likewise.
9222 * varasm.c (mark_constants): Likewise.
9224 * a29k/a29k.c (uses_local_reg_p): Likewise.
9226 * alpha/alpha.c (summarize_insn): Likewise.
9228 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
9229 eliminate_lr2ip): Likewise.
9231 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
9233 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
9234 reg_mentioned_in_mem): Likewise.
9236 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
9237 symbolic_reference_mentioned_p): Likewise.
9239 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
9241 * sh/sh.c (regs_used, mark_use): Likewise.
9243 * vax/vax.c (vax_rtx_cost): Likewise.
9245 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9247 * machmode.h (mode_name): Constify a char*.
9249 * rtl.c (mode_name): Likewise.
9251 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
9253 * optabs.c (init_libfuncs): Constify a char*.
9255 * print-tree.c (mode_name): Remove redundant declaration.
9256 (print_node): Use accessor macro, not `mode_name'.
9258 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
9260 (new_spill_reg): Constify a char*.
9262 * tree.c (mode_name): Remove redundant declaration.
9264 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9266 * rtl.c (rtx_name): Constify a char*.
9268 * rtl.h (rtx_name, fix_sched_param): Likewise.
9270 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
9271 (mypr): Use accessor macro, not `rtx_name'.
9273 * genemit.c (print_code): Constify a char*.
9275 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
9277 * genpeep.c (print_code): Constify a char*.
9279 * genrecog.c (print_code): Likewise.
9281 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
9282 end_bb): Add static prototype.
9283 (draw_edge): Constify a char*.
9284 (end_bb): Remove unused parameter.
9286 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
9287 print_block_visualization): Constify a char*.
9289 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
9291 * c-common.c (c_get_alias_set): Update comment.
9293 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
9295 * linux.h (LIB_SPEC): Added.
9297 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9299 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
9301 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
9303 * tree.c (expr_check): Fix typo in last change.
9305 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
9307 * rtl.def (NOTE): Change format to "iuu0n".
9308 (ADDR_DIFF_VEC): Change format to "eEee0".
9309 (ADDRESSOF): Change format to "eit".
9311 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
9312 (RTVEC_ELT): Change to match.
9313 (XVECEXP): Use XVEC and RTVEC_ELT.
9314 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
9315 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
9316 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
9317 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
9318 TRAP_CONDITION, TRAP_CODE): Use XEXP.
9319 (INTVAL): Use XWINT.
9320 (ADDRESSOF_DECL): Use XTREE.
9321 (SET_ADDRESSOF_DECL): Delete.
9322 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
9323 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
9324 ifdefed out since 2.6 at least.
9325 (gen_rtvec_vv): Delete prototype.
9327 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
9329 (copy_most_rtx): Handle 't' format letter.
9330 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
9331 (gen_rtvec_vv): Delete function. All callers changed to use
9332 gen_rtvec_v instead.
9333 * print-rtl.c (print_rtx): Move special casing of NOTEs to
9334 the '0' format letter.
9336 * function.c (gen_mem_addressof): Don't use
9337 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
9339 * integrate.c (copy_rtx_and_substitute): Likewise.
9340 Copy 't' slots with XTREE.
9341 (subst_constants): Treat 't' slots like '[swi]' slots.
9342 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
9343 * jump.c (rtx_equal_for_thread_p): Likewise.
9344 * rtlanal.c (rtx_equal_p): Likewise.
9345 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
9346 only four arguments.
9347 * gengenrtl.c (type_from_format): Provide correct types for
9351 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
9352 If a recent gcc is in use (always in stage2 and beyond), use
9353 statement expressions, so we don't make a function call unless
9354 the check fails. Evaluate arguments exactly once.
9355 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
9356 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
9358 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
9359 they evaluate their arguments exactly once, irrespective of
9360 the compiler in use.
9362 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
9363 is used by the currently-enabled check macros. This is:
9364 (tree_check_failed, tree_class_check_failed): For gcc.
9365 (tree_check, tree_class_check, cst_or_constructor_check,
9366 expr_check): For other compilers.
9368 * gencheck.c: Do not define any *_CHECK1 macros.
9370 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
9371 Mark Mitchell <mark@codesourcery.com>
9373 * c-common.c (c_get_alias_set): Fix support for poitners and
9376 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
9378 * alias.c: Include tree.h.
9379 (nonlocal_reference_p, mark_constant_function): New functions.
9380 * flow.c (life_analysis): Call mark_constant_function.
9381 * rtl.h (mark_constant_function): Declare it.
9383 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
9385 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
9386 unrecognisable switches.
9388 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9390 * loop.c (recombine_givs): Set ix field after sorting.
9391 (recombine_givs): Remove bogus index / giv lockstep looping.
9393 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9395 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
9397 (emit_store_flag_force): Use do_compare_rtx_and_jump.
9398 (do_cmp_and_jump): Formatting fixes.
9399 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
9400 do_compare_rtx_and_jump instead of compare_from_rtx.
9401 (do_compare_rtx_and_jump): New function; mostly copied from
9403 (do_jump_for_compare): Delete.
9404 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
9406 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
9407 of compare/do_jump_for_compare pairs.
9408 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
9409 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
9410 compare_from_rtx/do_jump_for_compare pairs.
9411 (do_jump_by_parts_equality): Likewise.
9412 (do_jump_by_parts_equality_rtx): Likewise.
9413 * expr.h (do_compare_rtx_and_jump): Declare.
9414 * optabs.c (prepare_cmp_insn): New function, contains most of the code
9415 that used to be in emit_cmp_insn.
9416 (cmp_available_p): New function.
9417 (prepare_operand): New function.
9418 (emit_cmp_and_jump_insn_1): New function, contains some code that used
9419 to be in emit_cmp_insn.
9420 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
9421 parameters to be pointers; don't emit final compare but modify some of
9422 the values pointed to by the args so the caller can perform the
9424 (expand_binop): Call emit_store_flag_force with signed forms of
9426 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
9427 emit_jump_insn pair.
9428 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
9429 emit_cmp_and_jump_insn_1. Call emit_queue.
9430 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
9432 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
9433 jump sets cc0 before deleting it.
9434 * integrate.c (expand_inline_function): Likewise.
9435 * unroll.c (unroll_loop): Similar changes in several places.
9436 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
9439 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9441 * Makefile.in (insn-recog.o): Update dependencies.
9442 * genrecog.c (main): Make generated file include "function.h".
9444 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
9446 * cse.c (cse_insn): Call never_reached_warning when a jump is
9447 changed to be unconditional.
9448 * flags.h: Declare warn_notreached.
9449 * flow.c (delete_block): Call never_reached_warning when
9451 * jump.c (delete_barrier_successors): Call never_reached_warning
9452 when we delete everything after a BARRIER.
9453 (never_reached_warning): New function.
9454 * rtl.h: Declare never_reached_warning.
9455 * toplev.c (warn_notreached): New variable.
9456 (lang_independent_options): Set warn_notreached
9457 when -Wunreachable-code.
9458 (compile_file): We need line numbers for -Wunreachable-code.
9460 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
9462 * haifa-sched.c (insn_unit): Fix typo on out of range test.
9463 * sched.c (insn_unit): Likewise.
9465 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
9467 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
9469 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9471 * flow.c (create_edge_list): Use xmalloc, not malloc.
9473 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
9475 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
9476 C-style comments. Do not lose the character before double slash.
9478 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9480 * basic-block.h (struct edge_list): Stucture to maintain a vector
9482 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
9483 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
9484 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
9485 New function prototypes.
9486 * flow.c (create_edge_list): Function to create an edge list.
9487 (free_edge_list): Discards memory used by an edge list.
9488 (print_edge_list): Debug output showing an edge list.
9489 (verify_edge_list): Internal consistency check for an edge list.
9490 (find_edge_index): Function to find an edge index for a pred and succ.
9492 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
9494 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
9497 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
9499 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
9501 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9503 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
9505 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
9507 * toplev.c (rest_of_compilation): Allow machine dependent
9508 reorganisation pass to place information into the RTL dump
9509 file if it so wishes.
9511 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
9513 * explow.c (hard_function_value): Use VOIDmode instead of
9515 * stmt.c (expand_return): Likewise.
9516 * stor-layout.c (get_best_mode): Likewise.
9518 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
9519 emit call instead of emit_insn call.
9521 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
9523 * configure.in: Handle --disable/enable-win32-registry.
9524 * install.texi: Document --disable/enable-win32-registry.
9525 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
9526 (WIN32_REGISTRY_KEY): New macro.
9527 * prefix.c: Use to enable/disable win32-specific code.
9528 (lookup_key): Use versioned key.
9529 * configure: Regenerate.
9530 * config.in: Likewise.
9532 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
9534 * cpplib.c (read_line_number): New fn, split out of...
9537 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
9539 tree.c (lang_unsave_expr_now) : New.
9540 (unsave_expr_now): Call lang_unsave_expr_now.
9541 tree.h (lang_unsave_expr_now) : New.
9543 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
9545 * toplev.c (flag_new_exceptions): On by default.
9547 1999-08-13 Michael Meissner <meissner@cygnus.com>
9549 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
9551 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
9553 * dwarfout.c (fundamental_type_code): Return FT_boolean for
9554 INTEGER_TYPE with precision==1, it's __java_boolean.
9556 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9558 * global.c (prune_preferences): Move some invariants out of the
9561 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
9563 * configure.in (alpha*-dec-osf*): Add osf5.
9565 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
9567 * configure.in: Rework handling of ARM GNU/Linux slightly.
9568 (arm*-*-linux-gnuoldld): New target.
9569 * configure: Regenerate.
9570 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
9571 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
9572 * config/arm/linux-oldld.h: New file.
9573 * config/arm/linux-elf26.h: Don't include linux-elf.h.
9574 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
9576 * config/arm/linux-elf.h (ASM_SPEC): Define.
9577 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
9578 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
9579 for 26-bit APCS and old linker.
9580 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
9582 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
9583 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
9584 don't define `arm' or `arm_elf'.
9585 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
9586 MULTILIB_DIRNAMES): Define. Fix typo in comment.
9588 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
9590 * rtl.texi: Fix typo.
9592 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
9594 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
9596 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
9598 * extend.texi (C++ Signatures): Remove node.
9599 * invoke.texi: Remove discussion of -fhandle-signatures,
9600 signature, sigof, __signature__, and __sigof__.
9602 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
9604 * Makefile.in (JAVAGC): Removed.
9606 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
9608 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
9610 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
9612 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
9614 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
9616 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
9617 a register that is already known to be a pointer.
9619 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
9621 * fixinc/inclhack.tpl: Only install assert.h conditionally.
9622 * fixinc/inclhack.sh: Regenerated.
9623 * fixinc/fixincl.sh: Regenerated.
9625 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
9627 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
9628 Fix documentation of -ansi flag to describe its C++ behavior.
9629 Remove bogus reference to GCC 2.9.
9631 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
9633 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
9634 note if it is non-NULL.
9636 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9638 * except.h (eh_nesting_info): Add new structure defintion.
9639 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
9640 (reachable_handlers, update_rethrow_references): Add function
9642 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
9643 a rethrow symbol instead of an integer exception region number.
9644 * flow.c (Make_edges): Use new exception nesting routines to determine
9645 which handlers are reachable from a CALL or asynchronous insn.
9646 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
9648 (delete_eh_regions): Update rethrow labels, and don't delete
9649 regions which are the target of a rethrow.
9650 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
9651 avoid overloading the SYMBOL_REF_USED flag.
9652 (rethrow_symbol_map): Use new rethrow_ref field.
9653 (rethrow_used): Use new rethrow_ref field.
9654 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
9655 of an integer. Fix formatting.
9656 (output_exception_table_entry): Use new rethrow_ref field.
9657 (can_throw): Check for EH_REGION_NOTE before deciding
9658 whether a CALL can throw or not.
9659 (scan_region): Call rethrow_used() instead of accessing data structure.
9660 (update_rethrow_references): New function to make sure only regions
9661 which are still targets of a rethrow are flagged as such.
9662 (process_nestinfo): New static function to initialize a handler
9663 list for a specific region.
9664 (init_eh_nesting_info): New function to allocate and initialize
9665 the list of all EH handlers reachable from all regions.
9666 (reachable_handlers): New function to retrieve the list of handlers
9667 reachable from a specific region and insn.
9668 (free_eh_nesting_info): New function to dispose of a list of
9671 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9673 * flow.c (split_edge): Set JUMP_LABEL field.
9674 (commit_one_edge_insertion): Set head correctly for insert_before.
9675 When inserting insns, update insn block numbers if allocated.
9677 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9679 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
9680 retry_incomplete_types): Add static prototype.
9681 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
9682 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
9683 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
9684 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
9685 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
9688 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
9689 dwarf2out_start_source_file, dwarf2out_line): Likewise.
9691 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9693 * output.h (assemble_name): Constify a char*.
9695 * varasm.c (UNIQUE_SECTION, assemble_start_function,
9696 assemble_variable, assemble_name): Likewise.
9698 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
9700 * arm/pe.c (arm_pe_unique_section): Likewise.
9702 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
9704 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
9706 * i386/interix.c (i386_pe_unique_section): Likewise.
9708 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
9710 * i386/winnt.c (i386_pe_unique_section): Likewise.
9712 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
9714 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
9716 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
9718 * pa/pa.c (output_call): Likewise.
9720 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
9722 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
9724 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
9727 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
9730 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
9732 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
9733 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
9735 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
9737 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9739 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
9741 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9743 * tree.h (lang_identify): Constify a char*.
9744 (print_error_function): Add extern prototype. Constify a char*.
9746 * c-lang.c (lang_identify): Constify a char*.
9748 * objc/objc-act.c (lang_identify): Constify a char*.
9750 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9752 * genpeep.c (main): Make generated file include "function.h".
9753 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
9755 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9757 * Makefile.in: Update dependencies.
9758 * alias.c: Include "function.h"
9759 * c-decl.c: Likewise.
9760 * caller-save.c: Likewise.
9761 * calls.c: Likewise.
9762 * combine.c: Likewise.
9764 * explow.c: Likewise.
9765 * final.c: Likewise.
9766 * global.c: Likewise.
9767 * graph.c: Likewise.
9768 * local-alloc.c: Likewise.
9770 * optabs.c: Likewise.
9771 * profile.c: Likewise.
9772 * recog.c: Likewise.
9773 * regclass.c: Likewise.
9774 * regmove.c: Likewise.
9775 * reload.c: Likewise.
9776 * reorg.c: Likewise.
9777 * resource.c: Likewise.
9778 * sched.c: Likewise.
9779 * stupid.c: Likewise.
9780 * config/1750a/1750a.c: Likewise.
9781 * config/a29k/a29k.c: Likewise.
9782 * config/arc/arc.c: Likewise.
9783 * config/arm/arm.c: Likewise.
9784 * config/arm/thumb.c: Likewise.
9785 * config/c4x/c4x.c: Likewise.
9786 * config/clipper/clipper.c: Likewise.
9787 * config/convex/convex.c: Likewise.
9788 * config/fx80/fx80.c: Likewise.
9789 * config/i860/i860.c: Likewise.
9790 * config/m68k/m68k.c: Likewise.
9791 * config/m88k/m88k.c: Likewise.
9792 * config/mips/mips.c: Likewise.
9793 * config/pdp11/pdp11.c: Likewise.
9794 * config/pyr/pyr.c: Likewise.
9795 * config/romp/romp.c: Likewise.
9796 * config/sh/sh.c: Likewise.
9797 * config/tahoe/tahoe.c: Likewise.
9798 * config/vax/vax.c: Likewise.
9799 * config/we32k/we32k.c: Likewise.
9800 * config/sparc/sparc.c: Include "function.h".
9801 (mem_min_alignment): Test current_function rather than
9802 regno_pointer_align.
9803 * config/pa/pa.c: Likewise.
9804 (compute_frame_size): Delete declaration of
9805 current_function_outgoing_args_size.
9806 * config/arc/arc.h (current_function_varargs): Delete declaration.
9807 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
9809 * config/i370/i370.h (current_function_outgoing_args_size): Delete
9811 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
9812 current_function_uses_pic_offset_table.
9813 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
9814 of current_function_returns_pointer.
9815 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9816 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9817 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9818 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9819 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9820 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9821 * config/m88k/m88k.c: Include "function.h"
9822 (call_used_regs, current_function_pretend_args_size,
9823 current_function_outgoing_args_size, frame_pointer_needed): Delete
9825 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
9827 * config/mips/mips.h (current_function_calls_alloca): Delete
9829 * config/mn10200/mn10200.h (current_function_needs_context,
9830 rtx_equal_function_value_matters): Delete declarations.
9831 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
9832 flag_pic): Delete declarations.
9833 * config/pa/pa.h (current_function_pretend_args_size,
9834 current_function_decl): Delete declarations.
9835 * config/pa/som.h (current_function_varargs): Delete declaration.
9836 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
9838 * config/pyr/pyr.h (current_function_pretend_args_size,
9839 current_function_args_size, current_function_calls_alloca): Delete
9841 * config/sh/sh.h (current_function_varargs): Delete declaration.
9842 * config/sparc/sparc.h (current_function_outgoing_args_size,
9843 current_function_calls_alloca, current_function_decl): Delete
9845 * config/spur/spur.h (current_function_pretend_args_size,
9846 current_function_calls_alloca): Delete declarations.
9847 * config/v850/v850.c (current_function_outgoing_args_size): Delete
9849 * config/vax/vms.h (current_function_name): Delete declaration.
9850 * gcse.c: Include "function.h".
9851 (current_function_name, current_function_calls_setjmp): Delete
9853 * haifa-sched.c: Include "function.h".
9854 (forced_labels): Delete declaration.
9856 * reg-stack.c: Likewise.
9857 * reload1.c: Likewise.
9858 * genemit.c (main): Make generated file include function.h.
9859 * genoutput.c (output_prologue): Likewise.
9861 * builtins.c (saveregs_value, apply_args_value): Delete variables.
9862 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
9863 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
9864 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
9865 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
9866 macros for some of them.
9867 (emit_filename, emit_lineno): Delete declarations.
9868 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
9869 regno_pointer_* variables through current_function.
9870 (gen_inline_header_rtx): Delete function.
9871 (save_emit_status): Delete function.
9872 (set_new_last_label_num): New function.
9873 (clear_emit_caches): New function.
9874 (restore_emit_status): Just clear last_labelnum and call
9876 (get_last_insn_anywhere): Variable sequence_stack is now accessed
9877 through macro seq_stack.
9878 (add_insn_after): Likewise.
9879 (add_insn_before): Likewise.
9880 (remove_insn): Likewise.
9881 (pop_topmost_sequence): Likewise.
9882 (in_sequence_p): Likewise.
9883 (start_sequence_for_rtl_expr): Likewise.
9884 (start_sequence): Likewise, and likewise for
9885 sequence_rtl_expr/seq_rtl_expr.
9886 (push_topmost_sequence): Likewise.
9887 (end_sequence): Likewise.
9888 (init_virtual_regs): Now takes a "struct emit_status *" argument.
9889 All callers changed. Store into that pointer instead of globals.
9890 (init_emit): Allocate emit elt of current_function.
9891 Changes for sequence_rtl_expr/sequence_stack renaming.
9892 Call clear_emit_caches instead of doing it in-line.
9893 Access regno_pointer_* variables through current_function.
9894 (init_emit_once) Don't clear sequence_stack.
9896 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
9898 (arg_pointer_save_area): Delete declaration.
9899 (finish_expr_for_function): Renamed from init_queue; no longer static.
9900 (init_expr): Don't call init_queue.
9901 (save_expr_status, restore_expr_status): Delete functions.
9902 (expand_expr): Changes to reflect new layout of struct function.
9903 Don't access current_function_check_memory_usage when current_function
9905 * expr.h (forced_labels, save_expr_regs, saveregs_value,
9906 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
9907 current_function_outgoing_args_size, current_function_arg_offset_rtx,
9908 current_function_uses_const_pool, function_call_count,
9909 current_function_uses_pic_offset_table, nonlocal_labels,
9910 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
9911 current_function_check_memory_usage, nonlocal_goto_handler_slots,
9912 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
9914 (finish_expr_for_function): Declare.
9915 * flags.h (current_function_has_nonlocal_label,
9916 current_function_has_nonlocal_goto, current_function_is_thunk,
9917 current_function_has_computed_jump): Delete declarations.
9918 * flow.c (forced_labels): Delete declaration.
9919 * function.c (current_function_pops_args,
9920 current_function_returns_struct, current_function_returns_pcc_struct,
9921 current_function_needs_context, current_function_calls_setjmp,
9922 current_function_calls_longjmp, current_function_has_nonlocal_label,
9923 current_function_has_nonlocal_goto, current_function_is_thunk,
9924 current_function_has_computed_jump, current_function_calls_alloca,
9925 current_function_contains_functions, current_function_returns_pointer,
9926 current_function_epilogue_delay_list, current_function_args_size,
9927 current_function_pretend_args_size, current_function_arg_offset_rtx,
9928 current_function_outgoing_args_size, current_function_varargs,
9929 current_function_stdarg, current_function_args_info, cleanup_label,
9930 current_function_name, current_function_uses_const_pool,
9931 current_function_instrument_entry_exit, current_function_return_rtx,
9932 current_function_uses_pic_offset_table, nonlocal_labels,
9933 current_function_internal_arg_pointer, current_function_cannot_inline,
9934 current_function_check_memory_usage, function_call_count,
9935 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
9936 nonlocal_goto_stack_level, return_label, save_expr_regs,
9937 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
9938 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
9939 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
9940 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
9941 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
9943 (push_function_context_to): Don't save them. Don't call
9944 save_storage_status, save_emit_status or save_expr_status.
9945 (pop_function_context_from): Don't restore them. Don't call
9946 restore_storage_status or restore_expr_status.
9947 (get_func_frame_size): New function.
9948 (get_frame_size): Use it.
9949 (assign_outer_stack_local): Reflect some member name changes in struct
9951 (put_reg_into_stack): Likewise.
9952 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
9954 (fixup_var_refs): Likewise.
9955 (fix_lexical_addr): Likewise.
9956 (trampoline_address): Likewise.
9957 (prepare_function_start): Clear field inlinable of current_function.
9958 (init_function_for_compilation): New function.
9959 (expand_dummy_function_end): New function.
9960 (expand_function_end): Call finish_expr_for_function.
9961 * function.h (struct emit_status): New; fields moved here from struct
9962 function and from global variables. Add accessor macros for some of
9964 (struct expr_status): Likewise.
9965 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
9966 (struct function): Add fields expr and emit, inlinable, inl_emit,
9967 original_arg_vector, original_decl_initial, inl_last_parm_insn,
9968 inl_max_label_num. Add many comments.
9969 Add accessor macros for all elts of struct function that no longer
9970 have a global variable.
9971 (cleanup_label, return_label, frame_offset, tail_recursion_label,
9972 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
9973 stack_slot_list): Delete declarations.
9974 (get_func_frame_size): Declare.
9975 (save_expr_status, restore_expr_status, save_emit_status,
9976 save_storage_status, restore_storage_status): Delete declarations.
9977 (init_virtual_regs): Declare.
9978 * output.h (current_function_pops_args,
9979 current_function_returns_struct, current_function_returns_pcc_struct,
9980 current_function_needs_context, current_function_calls_setjmp,
9981 current_function_calls_longjmp, current_function_calls_alloca,
9982 current_function_has_nonlocal_label, current_function_varargs,
9983 current_function_has_computed_jump, current_function_returns_pointer,
9984 current_function_contains_functions, current_function_args_size,
9985 current_function_pretend_args_size, current_function_stdarg,
9986 current_function_outgoing_args_size, current_function_args_info,
9987 current_function_name, current_function_return_rtx,
9988 current_function_epilogue_delay_list,
9989 current_function_uses_const_pool, current_function_cannot_inline):
9990 Delete declarations.
9991 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
9992 regno_reg_rtx): Delete declaration.
9993 (REGNO_POINTER_FLAG): Delete macro.
9994 * stmt.c (expand_goto): Changes to reflect that some fields in struct
9995 function were renamed.
9996 * stor-layout.c (save_storage_status, restore_storage_status): Delete
9998 * toplev.c: Include "function.h".
9999 (current_function_decl): Delete declaration.
10000 (compile_file): Call init_dummy_function_start and
10001 expand_dummy_function_end around some initializations that need to
10003 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
10004 Call init_function_for_compilation.
10005 * unroll.c: Include "function.h"
10006 (unroll_loop): Access regno_pointer_* variables through
10009 * tree.h (struct tree_decl): Add elt f to saved_insns member.
10010 (DECL_SAVED_INSNS): use it.
10011 (expand_dummy_function_end): Declare.
10012 (init_function_for_compilation): Declare.
10013 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
10014 that it's no longer an INLINE_HEADER.
10015 (expand_call): Likewise.
10016 * integrate.c (finish_inline): Delete function.
10017 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
10018 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
10019 args. Don't generate an INLINE_HEADER rtx, just return the arg
10020 vector. All callers changed.
10021 (save_for_inline_copying): Create a duplicate struct emit_status to
10022 hold the emit state for compiling the current function. Use this and
10023 the other new fields in struct function that are for integration
10024 instead of an INLINE_HEADER.
10025 Use memcpy instead of bcopy.
10026 Store the current struct function in DECL_SAVED_INSNS of fndecl.
10027 (save_for_inline_nocopy): Similar changes, except no new emit_status
10029 (expand_inline_function): Get information from function structure,
10030 not from an inline header rtx.
10031 (output_inline_function): Lose code to extract the necessary
10032 information from an inline header; simply put back the function
10033 structure into current_function. Clear its inlinable elt.
10034 * rtl.def (INLINE_HEADER): Delete.
10035 * rtl.h: Delete all accessors for an INLINE_HEADER.
10036 (gen_inline_header_rtx): Delete declaration.
10037 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
10038 Delete declarations.
10039 (REGNO_POINTER_ALIGN): Delete.
10040 (clear_emit_caches): Declare.
10041 (set_new_last_label_num): Declare.
10043 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
10045 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
10047 * except.c (expand_eh_region_start_for_decl): Always start a new block.
10048 * stmt.c (is_eh_region): Make sure current_function is present, too.
10050 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
10052 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
10053 for 64bit PA targets.
10055 * pa.h (SELECT_SECTION): Define.
10056 * som.h (SELECT_SECTION): Delete.
10058 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10060 * alias.c (init_alias_analysis): Wrap call to
10061 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
10063 1999-08-07 Bruce Korb <autogen@linuxbox.com>
10065 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
10066 <sys/asm.h> contains an asm comment with an apostrophe
10067 * fixinc/inclhack.sh: regen
10068 * fixinc/fixincl.x: regen
10070 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
10072 * function.c (init_function_start): Clear prologue & epilogue.
10073 (prologue_epilogue_contains): New function.
10074 * alias.c (init_alias_analysis): Use it.
10075 * rtl.h (prologue_epilogue_contains): Declare it.
10077 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
10079 * jump.c (onlyjump_p): New function.
10080 * rtl.h: Declare it.
10081 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
10082 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
10084 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
10086 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
10087 to invert loops. Simplify block scanning.
10089 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10091 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
10092 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
10094 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
10096 * config/sparc/liteelf.h: New file to support sparclite-elf target
10097 * config/sparc/t-sp86x: New file to support sparc86x targets
10098 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
10099 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
10100 * configure.in: Support above target triplets
10101 * configure: Regenerated
10103 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
10105 * fixinc/server.c (server_setup): Do not prefix function used as
10106 parameter with `&'.
10108 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
10110 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
10111 Remove fp reg alternatives.
10113 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
10115 * Makefile.in (TAROUTOPTS): Kill.
10116 (install-headers-tar): Use "xpf" for tar headerfile extraction
10117 * i370/x-oe (TAROUTOPTS): Delete.
10118 * m68k/x-apollo68 (TAROUTOPTS): Delete.
10119 * m68k/x-hp320 (TAROUTOPTS): Delete.
10120 * m68k/x-hp320g (TAROUTOPTS): Delete.
10121 * gcc.texi: Update bug reporting text.
10123 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10125 * reg-stack.c (change_stack) Fixed problem with negative array index.
10127 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
10129 * extend.texi, install.texi: Fix spelling mistakes.
10131 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
10132 (s-attrtab); No longer try to use pre-made insn-attrtab file.
10133 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
10134 PREMADE_ATTRTAB_MD.
10135 * mips/t-ecoff: Likewise.
10136 * mips/t-elf: Likewise.
10137 * mips/t-mips: Likewise.
10138 * mips/t-osfrose: Likewise.
10139 * mips/t-r3900: Likewise.
10140 * mips/t-svr3: Likewise.
10141 * mips/t-svr4: Likewise.
10142 * mips/t-ultrix: Likewise.
10144 * gcc.texi: Document recommend means to provide software floating
10145 point libraries in libgcc.a
10147 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
10149 * c-lex.c (yylex): We can have a number with no digits.
10151 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
10153 * jump.c (delete_prior_computation): New function, broken
10154 out of delete_computation. Check for side effects with
10155 side_effects_p instead of FIND_REG_INC_NOTE. Handle
10156 multi-word hard registers.
10157 (delete_computation): Use it. Check for side effects with
10158 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
10159 missing REG_DEAD note for a register which is both set and
10162 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
10164 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
10165 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
10166 (ASM_FILE_START): Import _mcount with the right type.
10167 (ASM_DECLARE_FUNCTION_NAME): Define.
10168 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
10169 * pa.c (output_function_prologue): Always emit the function's label
10171 * pa.h (TEXT_SPACE_P): Define.
10172 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
10173 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
10174 * som.h (TEXT_SPACE_P): Delete.
10175 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
10176 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
10178 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
10180 * expr.c (emit_group_load): Allow src to be a CONCAT.
10182 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10184 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
10185 (___mulsi3): Use '!' comment character.
10187 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10189 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
10191 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
10193 * gcc.c: Update URLs and mail addresses.
10194 * gcc.texi: Likewise.
10196 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
10198 * rs6000.c (current_file_function_operand): Return zero for
10200 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
10202 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
10205 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
10207 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
10208 allocate space in the stack frame for the PIC register.
10210 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
10212 * m68k.md (xordi3, anddi3): These patterns are not available on
10215 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
10217 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
10218 (PUT_REAL): Likewise.
10220 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10222 * final.c (shorten_branches): Don't add an alignment for loops
10223 that have no label inside.
10225 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10227 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
10228 prototypes in macro HAVE_cmpstrsi.
10230 * cpplib.c (cpp_get_token): Remove unused label `op3'.
10232 * emit-rtl.c (operand_subword): Remove unused variable
10235 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
10237 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
10239 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
10241 * cpphash.c (macroexpand): Delete leading whitespace when arg
10242 is concatenated before.
10243 (unsafe_chars): Correct test for whether + and - can extend a
10246 * cppinit.c (cpp_start_read): Do dependencies for
10247 -include/-imacros files also.
10249 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
10250 tokenizing non-directive lines.
10251 (cpp_expand_to_buffer): Temporarily disable no-output mode.
10252 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
10255 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
10257 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
10259 * c-lex.c: Sync with C++ frontend.
10260 (linemode): New variable.
10261 (parse_float): imag, conversion_errno, and type are output only.
10262 (yylex): Adjust. Move initial '.' case into main switch.
10264 (handle_generic_pragma): Just deal with tokens.
10265 (readescape): Use ISXDIGIT and ISGRAPH.
10266 * c-parse.in: Add END_OF_LINE token.
10268 * c-lex.c (lang_init): Generalize.
10269 (nextchar): Remove. Replace uses with UNGETC.
10270 (skip_white_space): Handle linemode here. Optimize for cpplib.
10271 (skip_white_space_on_line): Remove.
10272 (extend_token_buffer_to): New fn.
10273 (extend_token_buffer): Use it.
10274 (read_line_number, check_newline): Just deal with tokens.
10275 (token_getch, token_put_back): New fns.
10276 (yylex): Use them. More cpplib optimizations. Simplify.
10278 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
10279 Jason Merrill <jason@yorick.cygnus.com>
10281 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
10282 (consume_string): Make this smart about USE_CPPLIB.
10283 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
10284 (yylex): Rewrite to be intelligent about USE_CPPLIB.
10285 Also, clean up cases where we redundantly set token_buffer[0].
10286 (read_line_number): New fn.
10287 (ignore_escape_flag): New variable.
10289 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
10291 * a29k/t-a29kbare: Fix some comments.
10292 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
10293 (FPBIT, DPBIT): Define.
10294 * a29k/t-vx29k: Likewise.
10295 * arc/t-arc: Likewise.
10296 * arm/t-arm-elf: Likewise.
10297 * arm/t-bare: Likewise.
10298 * arm/t-pe: Likewise.
10299 * arm/t-pe-thumb: Likewise.
10300 * arm/t-semi: Likewise.
10301 * arm/t-thumb: Likewise.
10302 * arm/t-thumb-elf: Likewise.
10303 * arm/t-thumb-linux: Likewise.
10304 * h8300/t-h8300: Likewise.
10305 * i960/t-i960: Likewise.
10306 * i960/t-vxworks960: Likewise.
10307 * m32r/t-m32r: Likewise.
10308 * mips/t-ecoff: Likewise.
10309 * mips/t-elf: Likewise.
10310 * mips/t-r3900: Likewise.
10311 * pa/t-pro: Likewise.
10312 * rs6000/t-aix43: Likewise.
10313 * rs6000/t-beos: Likewise.
10314 * rs6000/t-newas: Likewise.
10315 * rs6000/t-ppccomm: Likewise.
10316 * rs6000/t-rs6000: Likewise.
10317 * rs6000/t-winnt: Likewise.
10318 * rs6000/t-xnewas: Likewise.
10319 * rs6000/t-xrs6000: Likewise.
10320 * sh/t-sh: Likewise.
10321 * sparc/t-elf: Likewise.
10322 * sparc/t-sparcbare: Likewise.
10323 * sparc/t-sparclite: Likewise.
10324 * sparc/t-splet: Likewise.
10325 * v850/t-v850: Likewise.
10326 * mn10200/t-mn10200: Fix comments.
10327 * mn10300/t-mn10300: Likewise.
10329 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
10330 dummy operand. Allocate a new pseudo for the dummy operand.
10331 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
10333 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
10335 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
10337 * configure: Rebuilt.
10338 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
10340 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
10342 * recog.c (preproces_constraints): Zero recog_op_alt before
10343 processing the constraints.
10345 * arm.c (typedef minipool_node): Renamed from pool_node.
10346 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
10347 (add_minipool_constant): New function.
10348 (dump_minipool): New function.
10349 (find_barrier): Remove special case for getting the insn size of
10350 an insn that references the constant pool.
10351 (minipool_fixup): New structure.
10352 (push_minipool_barrier): New function.
10353 (push_minipool_fix): New function.
10354 (note_invalid_constants): New function.
10355 (add_pool_constant, dump_table, fixit, broken_move): Delete.
10356 (arm_reorg): Rewrite code to fix up the constant pool into a
10357 series of mini-pools embedded in the insn stream.
10358 (arm_output_epilogue): New function, made mainly from the body
10359 of output_func_epilogue.
10360 (output_func_epilogue): Move insn generation part of epilogue code
10361 to arm_output_epilogue.
10362 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
10363 * arm.md (pool_range): New attribute.
10364 (zero_extendqidi2): Add attribute pool_range.
10365 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
10366 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
10367 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
10368 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
10369 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
10370 (epilogue): New expand.
10371 (epilogue_insn): New insn. Call arm_output_epilogue.
10373 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
10374 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
10376 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
10378 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
10380 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
10382 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
10384 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
10386 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
10388 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
10390 * global.c: Fix comment.
10392 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
10394 * gcc.c (access_check): New static function.
10395 (find_a_file): Use it when searching a directory list.
10396 * collect2.c (find_a_file): Don't accept directories found when
10397 searching a directory list.
10399 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
10401 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
10402 function parameters with `&'.
10403 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
10405 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
10407 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
10408 or tidy_fallthru_edge if the last insn in the block is not
10409 an unconditional jump or a simple conditional jump.
10411 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10413 * Makefile.in (c-decl.o): Depends on defaults.h.
10415 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
10417 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
10419 (CLASS_MAX_NREGS): Likewise.
10421 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
10423 * cse.c (cse_insn): Fix dumb thinko in last change.
10425 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10427 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
10430 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
10432 * dwarf2out.c (add_location_or_const_value_attribute): Correct
10433 test for sizes of passed and declared parameter types.
10435 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10437 * fixincludes: Fix the return type of bsearch, char* -> void*.
10439 * fixinc/inclhack.def: Likewise.
10441 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
10443 * invoke.texi (-fdump-translation-unit): New option.
10445 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
10447 * expr.h (PROMOTE_PROTOTYPES): Move ...
10448 * defaults.h: ... to here.
10449 * c-decl.c: Include defaults.h instead of expr.h.
10450 * c-typeck.c: Include defaults.h.
10452 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
10454 * toplev.h (errorcount): Declare.
10455 (warningcount): Likewise.
10456 (sorrycount): Likewise.
10457 * c-lex.c (errorcount): Don't declare.
10458 * dwarf2out.c (errorcount): Don't declare.
10460 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
10462 * config/libgloss.h: Add a note discouraging use with ELF.
10463 * configure.in: Don't use libgloss.h for ELF targets.
10464 Always use_collect2 on a.out targets.
10466 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
10468 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
10469 (force_to_mode, case ASHIFTRT): Add shiftrt label.
10471 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10473 * loop.c (strength_reduce): When doing biv->giv conversion, update
10474 reg note of NEXT->insn.
10476 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10478 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
10480 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10482 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
10483 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
10484 Ensure expr.h is included.
10485 * c-typecheck.c (convert_arguments): Ditto.
10487 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
10489 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
10490 * config/convex/convex.h: Ditto.
10491 * config/dsp16xx/dsp16xx.h: Ditto.
10492 * config/fx80/fx80.h: Ditto.
10493 * config/gmicro/gmicro.h: Ditto.
10494 * config/i370/i370.h: Ditto.
10495 * config/i386/i386.h: Ditto.
10496 * config/m32r/m32r.h: Ditto.
10497 * config/m68k/m68k.h: Ditto.
10498 * config/m88k/m88k.h: Ditto.
10499 * config/mips/mips.h: Ditto.
10500 * config/pa/pa.h: Ditto.
10501 * config/pyr/pyr.h: Ditto.
10502 * config/tahoe/tahoe.h: Ditto.
10503 * config/we32k/we32k.h: Ditto.
10505 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
10506 based on arch size.
10508 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
10510 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
10513 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
10515 1999-08-02 Richard Henderson <rth@cygnus.com>
10517 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
10518 for the register spill block.
10519 (m32r_va_arg): New.
10520 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
10521 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
10523 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
10524 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
10525 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
10527 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10529 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
10530 MAX_WCHAR_TYPE defined in sparc.h.
10531 * config/sparc/linuxaout.h: Likewise.
10532 * config/sparc/linux64.h: Likewise.
10533 Also default to -mvis if CPU is UltraSPARC.
10535 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10537 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
10538 (RTX_OK_FOR_OLO10): Likewise.
10539 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
10540 %lo(), allow it in addresses...
10541 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
10542 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
10543 does not make sense.
10544 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
10545 (sparc_output_scratch_registers): New function.
10546 (output_function_prologue, sparc_flat_output_function_prologue): Use
10548 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
10550 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
10551 * configure.in: Add check for .register pseudo-op support in as and
10552 check for offsetable %lo().
10553 * acconfig.h: Add templates for the above checks.
10554 * configure: Regenerate.
10556 1999-08-02 Richard Henderson <rth@cygnus.com>
10558 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
10559 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
10560 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
10562 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10564 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
10567 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10569 * config/float-sparc.h: New file.
10570 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
10571 sparc-*-linux-gnu and sparc64-*-linux*.
10573 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10575 * rs6000.c (rs6000_va_list): Type is an array.
10576 (rs6000_va_start): Don't doubly adjust for varargs.
10577 (rs6000_va_arg): Evaluate long long GPR adjustment.
10579 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
10581 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
10582 -maix64 and -maix32.
10583 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
10584 LINK_SPEC): Change appropriately.
10585 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
10586 (u_short_cint_operand): Likewise.
10587 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
10589 * rs6000/t-aix43 (MULTILIB): Change to -m64.
10591 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
10593 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
10595 * rs6000/rs6000.c (num_insns_constant_wide): Correct
10596 for type promotion.
10597 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
10598 (non_add_cint_operand): Likewise.
10599 (logical_operand): Likewise.
10600 (non_logical_cint_operand): Likewise.
10601 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
10602 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
10603 (rs6000_select_rtx_section): Suppress warning.
10604 (small_data_operand): Suppress warning.
10605 (rs6000_got_register): Suppress warning.
10606 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
10607 type, so `J' is generally the wrong constraint for a SImode value;
10609 (andsi3_internal2): Likewise.
10610 (andsi3_internal3): Likewise.
10611 (iorsi3_internal1): Likewise.
10612 (xorsi3_internal1): Likewise.
10614 (movsf_softfloat): Likewise.
10615 (scc insns): Likewise.
10616 (movsi+2): Preserve sign bits of SImode constant.
10617 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
10618 (movdf+1): Sign-extend properly.
10619 (movdi_32+1): Sign-extend properly.
10620 (scc insns): Sign-extend properly.
10622 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
10625 1999-08-02 Richard Henderson <rth@cygnus.com>
10627 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
10628 -mcpu parsing code.
10629 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
10630 * alpha.md (all fp insns): Likewise.
10632 1999-08-02 Nick Clifton <nickc@cygnus.com>
10634 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
10637 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
10639 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
10640 pic_load_label generator directly.
10641 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
10642 No longer a named pattern.
10644 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
10646 * explow.c (force_reg): Call force_operand if X does not
10647 satisfy general_operand.
10649 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
10651 * fix-header.c (main): When testing for CONTINUED, use string
10652 equality, not pointer equality.
10654 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
10656 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
10658 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
10660 * cse.c (cse_insn): Fix loop which deletes insns after a jump
10661 that has become an unconditional jump.
10663 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
10664 (output_function_epilogue): Similarly.
10666 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10668 * tree.h (init_dummy_function_start): Declare.
10670 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10672 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
10673 last_expr_type, last_expr_value, block_start_count, block_stack,
10674 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
10675 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
10676 dynamically in stmt elt of struct function for each function.
10677 (struct nesting): Rename function_call_count elt to n_function_calls,
10678 target_temp_slot_level to block_target_temp_slot_level. All users
10680 (struct stmt_status): New structure definition.
10681 Add many accessor macros for stmt_status elements which previously
10682 were global variables.
10683 (init_stmt_for_function): Allocate stmt elt for current_function.
10684 Reflect that block_start_count was renamed to
10685 current_block_start_count.
10686 (save_stmt_status, restore_stmt_status): Delete functions.
10687 (preserve_subexpressions_p): Don't access loop_stack when outside
10689 (expand_start_bindings): Reflect that block_start_count was renamed to
10690 current_block_start_count.
10691 (expand_fixup): Likewise.
10692 (expand_decl): Don't access block_stack when outside a function.
10693 (expand_decl_cleanup): Likewise.
10694 (expand_dcc_cleanup): Likewise.
10695 (expand_dhc_cleanup): Likewise.
10696 (expand_anon_union_decl): Likewise.
10697 (set_file_and_line_for_stmt): New function.
10698 (in_control_zone_p): New function.
10700 * function.h (struct function): Add new elt stmt.
10701 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
10702 case_stack, nesting_stack, nesting_depth, block_start_count,
10703 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
10704 emit_lineno, goto_fixup_chain.
10705 (save_eh_status, restore_eh_status, save_stmt_status,
10706 restore_stmt_status): Delete declarations.
10707 * function.c (push_function_context_to): Don't call save_stmt_status.
10708 (pop_function_context_to): Don't call restore_stmt_status.
10709 * tree.h (in_control_zone_p): Declare.
10710 * rtl.h (set_file_and_line_for_stmt): Declare.
10712 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
10713 call set_file_and_line_for_stmt.
10715 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
10717 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
10718 Also update copyright.
10720 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10722 * c-pragma.c: Don't include "except.h".
10723 * emit-rtl.c: Likewise.
10724 * stor-layout.c: Likewise.
10725 * tree.c: Likewise.
10726 * varasm.c: Likewise.
10728 * flow.c: Include "function.h".
10729 * tree.h (init_dummy_function_start): Declare new function.
10731 * except.h (struct eh_status): New structure.
10732 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
10734 (eh_return_stub_label, ehstack, catchstack, ehqueue,
10735 catch_clauses, false_label_stack, caught_return_label_stack,
10736 protect_list, current_function_ehc): Add accessor macros for the
10737 corresponding fields in current_function->eh; delete declarations
10738 for all items that used to be declared here.
10739 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
10740 catch_clauses, false_label_stack, caught_return_label_stack,
10741 protect_list, current_function_ehc): Delete variables.
10742 (init_eh_for_function): Allocate current_function->eh.
10743 (save_eh_status, restore_eh_status): Delete functions.
10745 * function.h (struct function): Add fields next_global and eh.
10746 Delete all exception handling related fields.
10747 * function.c (current_function): New variable.
10748 (all_functions): New variable.
10749 (push_function_context_to): Don't allocate a struct function,
10750 use current_function instead. Call init_dummy_function_start when
10751 outside a function. Clear current_function before returning.
10752 (pop_function_context_from): Restore current_function.
10753 Don't free the restored struct function.
10754 (prepare_function_start): New function.
10755 (init_dummy_function_start): New function.
10756 (init_function_start): Break out some code into prepare_function_start
10759 * stmt.c (save_stmt_status): Don't call save_eh_status.
10760 (restore_stmt_status): Don't call restore_eh_status.
10762 * Makefile.in: Update dependencies.
10764 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
10766 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
10767 of depending on a magic constant value. Update comments.
10768 (hppa_expand_prologue): Similarly.
10770 * pa.md (reload_indi, reload_outdi): Allow any register for the
10771 original reload register.
10773 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
10775 * cccp.c (print_help): Change marcos to macros.
10777 1999-07-30 Richard Henderson <rth@cygnus.com>
10779 * c-typeck.c (initializer_constant_valid_p): Move ...
10780 * c-common.c (initializer_constant_valid_p): ... here. Use
10781 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
10782 of label addresses.
10783 * c-common.h (initializer_constant_valid_p): Declare.
10784 * c-tree.h (initializer_constant_valid_p): Remove.
10786 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
10788 * config/i386/sol2-c1.asm: Align the stack.
10789 * config/i386/sol2-gc1.asm: Likewise.
10791 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
10793 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
10794 -Asparclite for sparc86x.
10795 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
10797 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
10799 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
10801 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
10802 the user if using the non-default arch size in BI_ARCH configuration.
10803 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
10805 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
10806 Fix patterns so that they actually match.
10807 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
10808 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
10809 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
10811 (mulsidi3): Reflect this in the expand.
10812 (smulsi3_highpart): Only on TARGET_ARCH32.
10813 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
10814 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
10815 (umulsidi3): Reflect this in the expand.
10816 (umulsi3_highpart): Only on TARGET_ARCH32.
10817 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
10818 don't require g0 to be zero.
10819 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
10820 ({,u}divsi3): New expands.
10821 ({,u}divsi3_sp64): New patterns.
10822 (after lshrdi3_v8plus): Four new patterns to help combiner
10823 optimizing nested mixed mode shifts.
10825 * config/sparc/sparc.c (sparc_override_options): Use deprecated
10826 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
10827 speed things up. Don't use them by default on plain v9 in 64bit
10828 mode, according to what SPAMv9 sais.
10830 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
10831 top 32 bits of %[og][0-7] in signal handlers.
10832 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
10834 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
10836 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
10837 (ashlsi3): Corresponding changes.
10839 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
10841 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
10843 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
10845 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10847 * arm.h (Hint): Delete macro.
10848 Substitute HOST_WIDE_INT for Hint in some prototypes.
10849 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
10851 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
10853 * builtins.c (expand_builtin_setjmp): Use force_operand to
10854 make sure that the buffer address is in a suitable form to be
10855 passed to force_reg.
10857 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
10859 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
10862 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
10864 * pa.md (indirect_jump): Remove mode from match_operand. Verify
10865 proper mode in the condition string.
10866 (icacheflush, dcacheflush): Remove modes from match_operands.
10868 * pa.c (emit_move_sequence): Always convert scratch_reg to the
10869 proper mode before using it.
10871 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
10874 * pa.c (store_reg): Do not call add_high_const generator directly.
10875 (load_reg, set_reg_plus_d): Likewise.
10876 * pa.md (add_high_const): No longer a named pattern.
10878 * pa.c (legitimize_address): Consistently use Pmode rather than
10879 SImode. Do not call gen_pic2_highpart directly anymore.
10880 * pa.md (pic2_highpart): No longer a named pattern.
10881 (pic2_lo_sum): Similarly. Reformat to make more readable.
10883 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
10888 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10890 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
10892 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
10894 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
10895 and tag the spill mems.
10896 (hppa_va_start): New.
10897 (hppa_va_arg): New.
10898 * pa.h (EXPAND_BUILTIN_VA_START): New.
10899 (EXPAND_BUILTIN_VA_ARG): New.
10901 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
10903 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
10904 and tag the spill mems.
10905 (mn10300_va_start): New.
10906 (mn10300_va_arg): New.
10907 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
10908 (EXPAND_BUILTIN_VA_ARG): New.
10910 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
10912 * mn10200.c (mn10200_va_arg): New.
10913 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
10915 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
10917 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
10918 rather than play with TREE_INT_CST_LOW.
10920 1999-07-27 Philip Blundell <pb@nexus.co.uk>
10922 * config/arm/telf.h: Include dbxelf.h.
10923 (CPP_PREDEFINES): Only define if not already defined.
10924 (ASM_IDENTIFY_GCC): Likewise.
10925 (SUBTARGET_EXTRA_SECTIONS): Likewise.
10926 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
10927 * config/arm/thumb.h (LINK_SPEC): Only define if not already
10929 (DBX_DEBUGGING_INFO): Don't define.
10930 * config/arm/linux-telf.h: New file.
10931 * config/arm/linux-tgas.h: New file.
10932 * config/arm/t-thumb-linux: New file.
10933 * config/arm/uclinux-elf.h: New file.
10934 * config/arm/uclinux-telf.h: New file.
10935 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
10936 thumb-*-uclinux): New targets.
10937 * configure: Regenerate.
10939 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
10941 * pa.md (post_store, pre_load): New expanders.
10942 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
10943 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
10944 need to directly generate RTL for them.
10945 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
10948 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
10950 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
10951 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
10952 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
10953 (secndary_reload_class): Make TARGET_ELF conditional compile.
10954 (print_operand_address): Similar.
10955 (output_toc): Print all values as hex.
10956 (get_issue_rate): Rearrange and add RS64A and PPC630.
10957 * rs6000.h (processor_type): Add RS64A and PPC630.
10958 (PROCESSOR_POWERPC64): New.
10959 (PROMOTE_MODE): Use word_mode.
10960 (RTX_COSTS): Add RS64A and PPC630.
10961 * rs6000.md (scheduling information): Add lmul and ldiv
10962 representing 64-bit integer multiply and divide. Add rs64a and
10963 PPC630 information.
10964 (ashldi3): Add support for "rldic" instruction.
10965 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
10967 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
10969 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
10970 instead of V8 for sparclite86x in cpu_table.
10972 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10974 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
10975 output_file_directive.
10977 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
10979 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
10980 tree for op1, not the rtl.
10982 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
10984 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
10985 to m88k_va_start, leaving only the register spill.
10986 (m88k_build_va_list): New.
10987 (m88k_va_start): New.
10988 (m88k_va_arg): New.
10989 * m88k.h (BUILD_VA_LIST_TYPE): New.
10990 (EXPAND_BUILTIN_VA_START): New.
10991 (EXPAND_BUILTIN_VA_ARG): New.
10993 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
10995 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
10996 Rename from expand_builtin_saveregs.
10997 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
10999 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
11001 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
11002 for the register spill block.
11003 (i960_build_va_list): New.
11004 (i960_va_start): New.
11005 (i960_va_arg): New.
11006 * i960.h (BUILD_VA_LIST_TYPE): New.
11007 (EXPAND_BUILTIN_VA_START): New.
11008 (EXPAND_BUILTIN_VA_ARG): New.
11009 * i960.md (store_multiple): Use change_address on individul mems.
11011 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
11013 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
11015 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
11016 (expand_builtin_va_end): Evaluate arg for side effects.
11017 * c-common.c (c_common_nodes_and_builtins): Construct a
11018 va_list_arg_type_node to handle array decomposition to pointer.
11020 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
11022 * except.c (start_dynamic_cleanup): Use force_operand on the
11025 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
11027 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
11028 * c4x.c (c4x_va_arg): New.
11030 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
11032 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
11033 has manual_pop set.
11035 1999-07-26 Nathan Sidwell <nathan@acm.org>
11037 * eh-common.h (__eh_matcher): Prototype correctly.
11039 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
11041 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
11042 (TARGET_SINGLE_PIC_BASE): Likewise.
11043 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
11045 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
11046 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
11047 (TARGET_OPTIONS): Add -mpic-register=N.
11048 (OUTPUT_INT_ADDR_CONST): New macro.
11049 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
11050 LEGITIMATE_PIC_OPERAND_P): Likewise.
11051 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
11052 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
11053 output_addr_const directly.
11054 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
11056 (thumb_pic_register, thumb_pic_register_string): Declare.
11058 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
11060 (label_mentioned_p): New function: Imported from arm.c.
11061 (legitimize_pic_address): New function: Imported from arm.c.
11062 (is_pic):New function: Imported from arm.c.
11063 (thumb_finalize_pic):New function: Imported from arm.c.
11064 (add_constant): Cope with PIC constants.
11065 (fixit): Cope with PIC constants.
11066 (output_return): Do not treat the PIC register as live if
11067 TARGET_SINGLE_PIC_BASE is true.
11068 (thumb_function_prologue): Do not treat the PIC register as live if
11069 TARGET_SINGLE_PIC_BASE is true.
11070 (thumb_expand_prologue): Do not treat the PIC register as live if
11071 TARGET_SINGLE_PIC_BASE is true.
11072 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
11073 TARGET_SINGLE_PIC_BASE is true.
11074 (thumb_print_operand): Accept '|'.
11075 (thumb_override_options): Process PIC options.
11077 * config/arm/thumb.md (movsi): Support PIC.
11078 (call_insn): Change "i" constraint to "X".
11079 (call_value_insn): Likewise.
11080 (consttable_4, consttable_8, consttable_end): Set and clear
11081 "making_const_table" as appropriate.
11082 (pic_load_addr, pic_add_dot_plus_four): New insns.
11084 * invoke.texi (Thumb Options): Fix spelling. Document new
11085 options -msingle-pic-base and -mpic-register=.
11087 1999-07-26 Andrew Haley <aph@cygnus.com>
11089 * config/m32r/initfini.c (__init): Use a full word immediate for
11090 __fini: this allows it to be placed in any memory region.
11092 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
11093 -mmodel=medium. This is OK for all memory models.
11095 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
11097 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
11098 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
11100 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
11102 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
11105 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
11107 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
11109 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
11110 (BUILD_VA_LIST_TYPE): New.
11111 (EXPAND_BUILTIN_VA_START): New.
11112 (EXPAND_BUILTIN_VA_ARG): New.
11113 * i860.c (output_delayed_branch): Disable.
11114 (output_delay_insn): Likewise.
11115 (i860_saveregs): New.
11116 (i860_build_va_list): New.
11117 (i860_va_start): New.
11118 (i860_va_arg): New.
11119 * i860.md: Disable all peepholes using output_delayed_branch.
11120 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
11122 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
11124 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
11125 (BUILD_VA_LIST_TYPE): New.
11126 (EXPAND_BUILTIN_VA_START): New.
11127 (EXPAND_BUILTIN_VA_ARG): New.
11128 * clipper.c (clipper_builtin_saveregs): Only dump registers.
11129 Return the address of the save area.
11130 (clipper_build_va_list): New.
11131 (clipper_va_start): New.
11132 (clipper_va_arg): New.
11134 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
11136 * arc.h (EXPAND_BUILTIN_VA_START): New.
11137 (EXPAND_BUILTIN_VA_ARG): New.
11138 * arc.c (arc_setup_incoming_varargs): Set alias set of
11140 (arc_va_start): New.
11143 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
11145 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
11146 (BUILD_VA_LIST_TYPE): New.
11147 (EXPAND_BUILTIN_VA_START): New.
11148 (EXPAND_BUILTIN_VA_ARG): New.
11149 * alpha.c (alpha_builtin_saveregs): Delete.
11150 (alpha_build_va_list): New.
11151 (alpha_va_start): New.
11152 (alpha_va_arg): New.
11154 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
11156 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
11158 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
11159 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
11161 * gcc.texi: More changes related to list conversion.
11162 * invoke.texi: Likewise.
11164 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
11166 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
11167 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
11168 (expand_builtin_next_arg): Accept ARGLIST not EXP.
11169 (stabilize_va_list): New function.
11170 (std_expand_builtin_va_start): New function.
11171 (expand_builtin_va_start): New function.
11172 (get_varargs_alias_set): New function.
11173 (std_expand_builtin_va_arg): New function.
11174 (expand_builtin_va_arg): New function.
11175 (expand_builtin_va_end): New function.
11176 (expand_builtin_va_copy): New function.
11177 (expand_builtin): Call them.
11178 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
11179 __builtin_{varargs_start,stdarg_start,end,copy}.
11180 (build_va_arg): New function.
11181 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
11182 (build_va_arg): Declare.
11183 * c-decl.c (ptr_type_node, va_list_type_node): New.
11184 * c-parse.gperf (__builtin_va_arg): New.
11185 * c-parse.in (VA_ARG): New token.
11186 (unary_expr): Recognize it.
11187 * expr.c (expand_expr): Expand VA_ARG_EXPR.
11188 * expr.h (std_expand_builtin_va_start): Declare.
11189 (std_expand_builtin_va_arg): Declare.
11190 (expand_builtin_va_arg): Declare.
11191 (get_varargs_alias_set): Declare.
11192 * tree.def (VA_ARG_EXPR): New.
11193 * tree.h (BUILT_IN_VARARGS_START): New.
11194 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
11195 (ptr_type_node, va_list_type_node): Declare.
11196 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
11197 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
11198 * m88k.h, m88k.c: Likewise.
11199 * mn10300.h, mn10300.c: Likewise.
11200 * pa.h, pa.c: Likewise.
11201 * rs6000.h, rs6000.c: Likewise.
11202 * sh.h, sh.c: Likewise.
11203 * sparc.h, sparc.c: Likewise.
11205 * emit-rtl.c (operand_subword): Copy alias set.
11206 (change_address): Likewise.
11208 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
11210 * pa.c (compute_frame_size): Scan all the used callee saved registers,
11211 not just the first one.
11213 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
11215 * config/arm/arm.h (TARGET_SWITCHES): Add
11216 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
11217 (TARGET_OPTIONS): Add -mpic-register=.
11218 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
11219 (arm_pic_register_string): Declare.
11220 (NEED_PLT_GOT): Delete, replace with ...
11221 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
11222 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
11223 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
11224 * config/arm/arm.c (arm_override_options): Add new option
11226 (arm_pic_register_string): New variable.
11227 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
11228 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
11229 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
11230 (output_return_instruction): Likewise.
11231 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
11232 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
11233 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
11235 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
11236 mention of -msched-prolog. Document new options -msingle-pic-base
11237 and -mpic-register=.
11239 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
11241 * haifa-sched.c (reemit_notes): Tidy.
11242 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
11245 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
11247 * explow.c (trunc_int_for_mode): New function.
11248 (plus_constant_wide): Use it.
11249 * combine.c (simplify_and_const_int): Likewise.
11250 (merge_outer_ops): Likewise.
11251 (simplify_shift_const): Likewise.
11252 * cse.c (simplify_unary_operation): Likewise.
11253 (simplify_binary_operation): Likewise.
11254 * emit-rtl.c (operand_subword): Likewise.
11255 * rtl.h: Declare it.
11257 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11259 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
11260 (use NUM_REGS instead of NUM_INTS).
11262 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11264 * builtins.c: New file.
11265 * expr.c (saveregs_value, apply_args_value): Delete definition,
11266 moved into builtins.c.
11267 (string_constant): No longer static.
11268 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
11269 apply_args_size, apply_result_size, result_vector,
11270 expand_builtin_apply_args, expand_builtin_apply,
11271 expand_builtin_return): Delete functions, moved into builtins.c.
11272 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
11273 * expr.h (saveregs_value, apply_args_value): Declare variables.
11274 (expand_builtin, string_constant): Declare functions.
11275 * Makefile.in: Update to build builtin.o.
11277 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
11279 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
11280 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
11281 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
11282 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
11284 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
11287 1999-07-21 Michael Meissner <meissner@cygnus.com>
11289 * print-rtl.c (print_rtx): Print the names of the virtual
11292 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
11294 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
11295 introduced in previous delta.
11297 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11299 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
11300 to avoid name clash.
11302 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
11304 * c-lex.c (yylex) : Correct the test for overflow when lexing
11307 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
11309 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
11310 (adjust_priority): Always call ADJUST_PRIORITY.
11311 (schedule_insn): Only put insns into the ready at cost 0.
11312 (schedule_block): Remove redundant initial sort. Give clock_var
11313 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
11315 * tm.texi (MD_SCHED_REORDER): Update docs.
11317 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
11318 * sparc.c (ultra_reorder_called_this_block): Delete.
11319 (ultrasparc_sched_init): Don't set it.
11320 (ultrasparc_sched_reorder): Don't check it.
11322 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
11324 * rs6000.h (struct rs6000_args): Add sysv_gregno.
11325 * rs6000.c (init_cumulative_args): Init sysv_gregno.
11326 (function_arg_boundary): Align DFmode.
11327 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
11328 to get fp reg and stack overflow correct.
11329 (function_arg): Likewise.
11330 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
11331 (setup_incoming_varargs): Restructure for ABI_V4; use
11332 function_arg_advance to skip final named argument.
11333 (expand_builtin_saveregs): Properly unskip the last integer arg
11334 when doing varargs. Adjust overflow location calculation.
11336 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
11337 explicitly unsigned.
11338 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
11339 (__VA_GP_REGSAVE): Similarly.
11340 (__va_longlong_p): Delete.
11341 (__va_arg_type_violation): New declaration.
11342 (va_arg): Restructure. Flag promotion errors. Align double.
11343 TFmode passed by reference.
11345 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
11346 in the HOST_BITS_PER_WIDE_INT > 32 case.
11348 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
11350 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
11352 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
11354 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
11355 * toplev.c (documented_lang_options): Add -fpreprocessed.
11356 * cpplib.h (struct cpp_buffer): Add preprocessed.
11357 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
11358 (cpp_start_read): Don't expand macros or emit an initial #line
11359 directive if -fpreprocessed.
11361 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
11363 * cpplib.h (struct cpp_buffer): Added manual_pop for
11364 better C++ tokenization.
11365 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
11366 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
11367 * c-common.c (cpp_token): Make non-static.
11369 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11371 * c-common.h: New file.
11372 * c-common.c (permanent_obstack): Delete unused declaration.
11373 (c_global_trees): New array.
11374 (c_common_nodes_and_builtins): New function; split off common code
11375 from init_decl_processing in both c-decl.c and cp/decl.c.
11376 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
11377 c_global_trees and accessor macros defined in c-common.h.
11378 Include c-common.h.
11379 * c-decl.c: Delete definitions for tree nodes that were replaced by
11381 (init_decl_processing): Build void_list_node.
11382 Call c_common_nodes_and_builtins; delete code to generate the common
11384 * objc/objc-act.c (build_module_descriptor): Rename variable
11385 void_list_node to avoid clash with c-common.h.
11387 * Makefile.in: Update dependencies.
11388 * objc/Make-lang.in: Likewise.
11390 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
11392 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
11393 (UNIQUE_SECTION_P): Likewise.
11394 (UNIQUE_SECTION): Likewise.
11396 1999-07-19 Linas Vepstas <linas@linas.org>
11398 * config/i370/README: New file.
11399 * config/i370/linux.h: New file.
11400 * config/i370/mvs.h: New file.
11401 * config/i370/oe.h: New file.
11402 * config/i370/t-linux: New file.
11403 * config/i370/t-mvs: New file.
11404 * config/i370/t-oe: New file.
11405 * config/i370/x-oe: New file.
11406 * config/i370/xm-linux.h: New file.
11407 * config/i370/xm-mvs.h: New file.
11408 * config/i370/xm-oe.h: New file.
11410 * i370.c (label_node_t): Add first_ref_page, label_addr,
11411 label_first_ref, label_last_ref members.
11412 (mvs_need_base_reload): Renamed from mvs_label_emitted.
11413 (MAX_MVS_LABEL_SIZE): Define.
11414 (MAX_LONG_LABEL_SIZE): Define.
11415 (alias_node_t, alias_anchor, alias_number): New.
11416 (mvs_function_table): Reorder for EBCDIC.
11417 (ascebc, ebcasc): Unconditionally define.
11418 (i370_branch_dest, i370_branch_length): New functions.
11419 (i370_short_branch, i370_label_scan): New functions.
11420 (mvs_get_label): Renamed from mvs_add_label. Search for
11421 an existing label before creating a new one.
11422 (mvs_add_label): New function.
11423 (mvs_get_label_page): New function.
11424 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
11425 over the entire list.
11426 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
11427 (mvs_check_page) [TARGET_ELF_ABI]: New function.
11428 (mvs_add_alias, mvs_need_alias): New functions.
11429 (mvs_get_alias, mvs_check_alias): New functions.
11430 (handle_pragma): New function.
11431 (mvs_function_check): New function.
11432 (unsigned_jump_follows_p): Search harder.
11433 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
11434 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
11435 * i370.h (TARGET_VERSION): Delete.
11436 (CPP_SPEC, CPP_PREDEFINES): Delete.
11437 (mvs_label_emitted): Delete.
11438 (TARGET_EBCDIC): Delete.
11439 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
11440 (HANDLE_PRAGMA): Define.
11441 (HARD_REGNO_NREGS): Handle complex modes.
11442 (HARD_REGNO_MODE_OK): Likewise.
11443 (CLASS_MAX_NREGS): Likewise.
11444 (RET_REG): Likewise.
11445 (EXTRA_CONSTRAINT): Define.
11446 (RETURN_IN_MEMORY): True for DImode.
11447 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
11448 (FUNCTION_PROFILER): Delete.
11449 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
11450 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
11451 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
11452 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
11453 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
11454 (ASM_FILE_START): Add "RMODE ANY".
11455 (ASM_OUTPUT_EXTERNAL): Check for aliases.
11456 (ASM_GLOBALIZE_LABEL): Likewise.
11457 (ASM_OUTPUT_LABELREF): Likewise.
11458 (ASM_OUTPUT_COMMON): Likewise.
11459 (PRINT_OPERAND): Handle 'K', 'W', default.
11460 (PRINT_OPERAND_ADDRESS): New.
11461 (Lots of defines): Add support for TARGET_ELF_ABI.
11462 * i370.md (attr length): New. Define for all patterns.
11463 (*): Lots of tweeks to assembly output and constraints.
11465 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
11467 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
11468 Disable patterns performing SImode comparisons with SImode values
11469 if TARGET_POWERPC64 and instruction does not sign-extend or does
11470 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
11471 differ for signed quantities.
11472 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
11473 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
11474 (decrement_and_branch_on_count): Add 64-bit variant.
11476 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11478 * final.c (output_asm_insn): When searching for the matching string
11479 for a given dialect, don't run past the end of the list of
11480 alternatives if there are fewer alternatives in the template than
11483 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
11485 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
11486 Removed paragraph about compression of files and size limitation,
11487 duplicated in the FAQ. Use gcc-patches for posting patches.
11488 * gcc.c (main): Updated URL with bug reporting instructions to
11489 gcc.gnu.org. Removed e-mail address.
11490 * system.h (abort): Likewise.
11492 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11494 * Makefile.in (stmp-multilib-sub): Make the files extracted
11495 from $(LIBGCC1) writable.
11497 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
11499 * config/arm/aout.h: Reformat for improved readability.
11501 * config/arm/arm.h: Reformat for improved readability.
11502 Replace uses of fprintf with asm_fprintf where appropriate.
11503 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
11504 function declaration assembler actions.
11505 (NUM_INTS): New macro: Convert from bytes to words.
11506 (NUM_REGS): New macro: Compute number of registers required to
11507 hold a quanitity of tyep MODE.
11508 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
11510 (NUM_ARG_REGS): New macro: The number of argument registers
11512 (ARG_REGISTER): New macro: Compute the register number of the Nth
11514 (LAST_ARG_REGNUM): New macro: The number of the last argument
11516 (SP_REGNUM): New macro: Register number of the stack pointer.
11517 (FP_REGNUM): New macro: Register number of the frame pointer.
11518 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
11519 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
11520 CUMULATIVE_ARGS so that it counts registers not bytes.
11522 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
11524 Replace uses of fprintf with asm_fprintf where appropriate.
11525 (output_ascii_pseudo_op): Replace with version from thumb.c
11527 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
11529 * config/arm/elf.h (CPP_PREDEFINES): Replace with
11530 SUBTARGET_CPP_SPEC.
11531 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
11532 (ASM_FILE_START): Emit ASM_APP_OFF.
11534 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
11536 * pa.c (compute_frame_size): Round frame according to
11537 STACK_BOUNDARY rather than a hardwired value.
11539 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
11541 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
11543 * configure: Rebuilt.
11545 * configure.in (hppa*-*-linux*): New configuration.
11546 * configure: Rebuilt.
11547 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
11548 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
11549 * pa/pa-linux.h: New file.
11550 * pa/t-linux: New file.
11551 * pa/xm-linux.h: New file.
11553 * pa.c (hppa_legitimize_address): Change references from SImode to
11554 either Pmode or word_mode as appropriate.
11555 (emit_move_sequence, store_reg, load_reg): Likewise.
11556 (set_reg_plus_d, hppa_expand_prologue): Likewise.
11557 (output_mul_insn): Likewise.
11558 * pa.h (PROMOTE_MODE): Likewise.
11559 (INITIALZE_TRAMPOLINE): Likewise.
11560 (Pmode): Define to word_mode.
11562 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
11563 value of 4. Allocate 8 bytes for each FP register save.
11564 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
11566 (hppa_expand_prologue): Likewise.
11567 * pa.h (PROMOTE_MODE): Likewise.
11568 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
11569 (FUNCTION_ARG_BOUNDARY): Likewise.
11571 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
11573 * pa.c (out_of_line_prologue_epilogue): Delete.
11574 (override_options): Remove -mspace related code.
11575 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
11576 (compute_frame_size): Only allocate space for register that
11577 actually need to be saved.
11578 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
11579 (TARGET_SWITCHES): Remove -mspace, -mno-space
11580 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
11581 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
11582 * pa/ee.asm, pa/ee_fp.asm: Delete.
11584 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
11586 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
11587 directive in column zero.
11589 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
11591 * m68k.c (output_function_prologue): Fix computation of save mask
11592 when generating PIC code.
11594 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
11596 * tree.c (build_type_attribute_variant): Move current_obstack restore
11597 after build_qualified_type call.
11599 1999-07-15 Mark Mitchell <mark@codesourcery.com>
11601 * configure.in: Use t-iris6, even with GNU LD.
11602 * config/mips/iris6gld.h: Fix typo in linker spec.
11603 * config/mips/t-iris6gld: Remove.
11605 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
11607 * rs6000.md (insv, extzv): Remove SImode dependence in named
11608 patterns. Explicitly generate DImode RTL if PowerPC64 and
11610 (insvdi): Reverse start and size in instruction template.
11612 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
11614 * invoke.texi: Typo fixes.
11616 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
11618 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
11619 handle at this time instead of silently generating incorrect code.
11620 (gen_imagpart): Likewise.
11622 * reload.c (find_reloads): Emit a USE for a pseudo register without
11623 a hard register if we could not create an optional reload for the
11626 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11628 * c-typeck.c (output_init_element, process_init_element):
11629 When advancing constructor_unfilled_fields for a RECORD_TYPE,
11630 check for nameless bit fields.
11632 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
11634 * regclass.c (scan_one_insn): Notice subregs that change the
11635 size of their operand.
11636 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
11638 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
11640 * configure.in (alpha*-*-*): Include alpha/t-ieee.
11641 * configure: Rebuilt.
11642 * alpha/t-ieee: New file.
11644 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
11646 * rs6000.c (find_addr_reg): Do not select r0 as an address
11649 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
11651 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
11653 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
11655 * rs6000.md (movsf): Do not force easy FP constants into memory.
11657 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
11658 immed_double_const to ensure they are properly truncated then
11661 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11663 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
11664 always unless NO_DEBUG is used. Compile this code
11666 (replace_symbols_in_block): Compile it unconditionally.
11668 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
11670 * configure.in (i?86-*-elf*): New target.
11671 * configure: Rebuilt.
11672 * i386/i386elf.h, i386/t-i386elf: New files.
11674 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11676 * toplev.c (main): Don't complain about saying -gdwarf.
11677 (rest_of_compilation): Remove redundant code.
11679 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
11681 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
11683 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
11685 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
11686 "Li960R:", to avoid name clash.
11688 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11690 * loop.c (check_dbra_loop): When reversing a loop, delete all
11691 REG_EQUAL notes referencing the reversed biv except those which are
11692 for a giv based on it.
11694 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
11696 * version.c: Drop "gcc-" prefix from version #.
11698 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
11700 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
11701 the label if we're being verbose.
11703 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
11705 * m68k.c (output_function_prologue): Add pic register to mask
11706 if live and flag_pic.
11707 (output_function_epilogue): Likewise.
11709 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
11711 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
11712 directives in column zero.
11714 * pa/elf.h (ASM_FILE_START): Define.
11715 * pa/som.h (ASM_FILE_START): Include .level directives.
11716 * pa/hpux10.h (ASM_FILE_START): Delete.
11717 * pa/hpux11.h (ASM_FILE_START): Delete.
11719 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
11721 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11723 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
11724 when reload_out equals reload_in.
11726 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
11728 * invoke.texi (Spec Files): New node: Describe the contents of
11731 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
11733 * invoke.texi (DEC Alpha Options): Put @end table at
11734 beginning of line, to avoid confusing texi2html.
11736 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
11738 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
11739 introduced in previous delta.
11741 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11743 * reload1.c (gen_reload): When synthesizing a 3 operand add
11744 sequence, improve test for when to reload OP1 into the reload
11745 register instead of OP0.
11747 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
11749 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
11751 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
11753 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
11756 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
11758 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
11759 (va_dcl): Use __builtin_va_alist_t.
11761 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
11763 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
11764 on the permanent_obstack.
11765 * dwarfout.c (output_type): Likewise.
11767 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
11769 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11770 Merged from c-typeck.c and cp/typeck.c.
11771 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11772 Merged into c-common.
11774 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
11776 * c-lex.c (errorcount): Declare it.
11777 (finish_parse): Update errorcount when using CPPLIB.
11779 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
11781 * fixinc/inclhack.def(end_else_label): Double the backslash so
11782 sed gets a chance to see it.
11783 * fixinc/inclhack.sh: regen
11784 * fixinc/fixincl.x: regen
11786 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
11788 Add framework to support armv5 architecture when it becomes
11791 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
11792 (arm_arch5): New variable.
11793 (all_architectures): Add armv5 line.
11794 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
11795 -march=armv5 is specified on the command line.
11796 (arm_arch5): Export this variable.
11797 * invoke.texi: Document new string accepted by -march= switch for
11800 * config/arm/arm.h: Replace use of constant 12 as a register
11801 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
11802 * config/arm/arm.c: Replace use of constant 12 as a register
11803 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
11805 * config/arm/elf.h: Tidy up.
11806 * config/arm/coff.h: Tidy up.
11808 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
11810 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
11811 * gcc/config/mips/t-iris6gld: New file.
11812 * gcc/config/mips/iris6gld.h: Likewise.
11814 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
11816 * c-decl.c (widest_integer_literal_type_node,
11817 widest_unsigned_literal_type) : New.
11818 (init_decl_processing): Handle/use the two new types.
11819 * c-common.c (type_for_size,type_for_mode) : Same.
11820 * c-lex.c (yylex) : Same.
11821 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11823 * c-tree.h (widest_integer_literal_type_node,
11824 widest_unsigned_literal_type) : New.
11826 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
11828 * dwarfout.c (field_byte_offset): Correctly compute the object's
11829 byte offset for the first bit of a field which crosses an alignment
11830 boundary on a !BYTES_BIG_ENDIAN target.
11832 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
11834 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
11837 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
11838 Jeff Law <law@cygnus.com>
11840 * ginclude/varargs.h (va_dcl): Use word_mode for type of
11843 * except.c: Include intl.h.
11844 (expand_eh_return): Set current_function_cannot_inline.
11845 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
11846 * function.h (struct function): Add eh_return_stub_label.
11847 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
11848 * Makefile.in (except.o): Depend on intl.h.
11850 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
11852 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
11853 same as offsettable in cases 1 and 2.
11855 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
11857 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
11858 (extlh, extwh): Likewise.
11860 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
11862 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
11864 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
11866 * configure.in: Add arm-pe and thumb-pe targets.
11867 * configure: Regenerate.
11869 * thumb.c (arm_naked_function_p): New function: Determines if
11870 a function is naked (has no gcc generated prologue/epilogue).
11871 (is_called_in_ARM_mode): Return true if the func has the
11872 interfacearm attribute.
11873 (output_return): Do not generate a return for naked functions.
11874 (thumb_function_prologue): Do not generate a prologue for
11876 (thumb_expand_prologue): Do not generate a prologue for naked
11878 (thumb_expand_epilogue): Do not generate an epilogue for naked
11880 (arm_valid_machine_decl_attribute): New function, copied from
11881 arm.c: Permit naked and interfacearm attributes.
11883 * config/arm/pe.c: New file: Support code for arm-pe target.
11884 * config/arm/pe.h: New file: Header file for arm-pe target.
11885 * config/arm/tpe.h: New file: Header file for thumb-pe target.
11886 * config/arm/t-thumb-pe: New file: Makefile fragment for
11889 1999-07-01 Mark Kettenis <kettenis@gnu.org>
11891 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
11892 -fPIC or -fpic is specified.
11894 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
11896 * expr.c (emit_block_move): Use copy_to_mode_reg for
11897 !TARGET_MEM_FUNCTIONS case too.
11899 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
11901 * configure: Rebuilt.
11902 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
11903 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
11904 definitions made redundant by dbxelf.h inclusion. Delete
11905 lots of definitions related to assembly output that are
11906 specific to the SOM object format.
11907 * pa.c (output_function_prologue): Do not emit the function's
11909 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
11910 * pa-pro.h: Deleted.
11911 * som.h: New file with SOM specific definitions.
11912 * elf.h: New file with ELF specific definitions.
11914 * elfos.h (const_section): Output a tab before assembler directives.
11915 (ctors_section, dtors_section): Likewise.
11916 (ASM_OUTPUT_SECTION_NAME): Likewise.
11918 * pa/pa1.h: Delete unused file.
11920 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
11922 * configure.in (hppa*-hp-hpux11*): New configuration.
11923 * configure: Rebuilt.
11924 * pa/pa-hpux11.h: New file.
11925 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
11928 * mips.md (leasi, leadi): New patterns.
11930 * expr.c (emit_block_move): Properly handle case where one of the
11931 block move arguments has a queued increment or decrement.
11932 (clear_storage): Similarly. Fix formatting goof.
11934 1999-06-28 "David O'Brien" <obrien@NUXI.com>
11936 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
11937 semicolon from the BSD VA_LIST replacement expression.
11939 * fixinc/inclhack.sh: regen
11940 * fixinc/fixincl.x: regen
11942 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
11943 now use the fixincl program.
11945 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
11947 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
11948 case. Also make the PIC register call_used.
11950 * m68k.h (FINALIZE_PIC): Delete.
11951 * m68k.c (finalize_pic): Delete.
11953 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
11955 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
11958 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
11960 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
11962 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
11964 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
11966 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
11968 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
11970 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
11972 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
11974 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
11976 * rs6000.c (output_toc): Always use hex values for floating-point
11977 constants. Store single-precision values in upper-half of TOC
11978 entry in 64-bit mode.
11979 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
11980 to final constraints.
11981 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
11982 (fctiwz): Improve accuracy of RTL for pattern.
11984 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
11986 * expr.c (expand_expr): Allow RTL_EXPR's through the
11987 MAX_INTEGER_COMPUTATION_MODE checks.
11989 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
11991 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
11992 such that MASK_SUPPORT_ARCH is not negative.
11994 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
11996 * loop.c (verify_dominator): Properly handle ADDR_VEC and
11997 ADDR_DIFF_VEC insns that appear inside loops.
11999 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
12000 Jeff Law <law@cygnus.com>
12002 * rs6000.md (movdf_hardfloat32): Revert previous patch.
12003 Handle LO_SUM the same as offsettable in cases 1 and 2.
12004 * rs6000.c (find_addr_reg): Revert previous patch.
12006 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
12008 * system.h (strstr): New external function declaration.
12009 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
12010 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
12011 * config.in, configure: Rebuilt.
12013 1999-06-24 Tom Tromey <tromey@cygnus.com>
12015 * gcc.c (main): Read user-specified specs files after computing
12016 additional startfile_prefixes.
12018 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
12020 Revert these two patches:
12022 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12023 * loop.c (strength_reduce): When doing biv->giv conversion, update
12024 reg note of NEXT->insn.
12026 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12027 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
12029 (recombine_givs): Set ix field after sorting.
12031 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12033 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
12034 for the parts of an UNSPEC / UNSPEC_VOLATILE.
12036 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
12038 *fixinc/inclhack.def: Add fix development commentary
12039 (read_ret_type): reactivate and add selection clause
12040 (zzz_*): tweak output file name to match what is used in hackshell.tpl
12041 *fixinc/{fixincl.x|inclhack.sh}: regen
12043 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
12045 * expr.c (expand_expr): STRIP_NOPS before checking against
12046 MAX_INTEGER_COMPUTATION_MODE
12047 (check_max_integer_computation_mode): Likewise.
12049 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
12051 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
12053 1999-06-22 Jim Wilson <wilson@cygnus.com>
12055 * expr.c (store_expr): When target is a promoted subreg, return a
12056 promoted subreg as a result.
12058 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
12060 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
12062 (dwarf2out_define): Mark unused parameters appropriately.
12063 (gen_unspecified_parameters_die): Ditto.
12064 (gen_subprogram_die): Fix signed/unsigned warnings.
12065 (gen_variable_die): Ditto.
12067 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
12069 * fixinc/inclhack.def(end_else_label): combined else_label
12070 and endif_label and fixed the sed expression.
12071 *fixinc/{fixincl.x|inclhack.sh}: regen
12073 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
12075 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
12076 'x' when handling non-offsettable addresses
12078 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
12080 * final.c (shorten_branches): Don't try to split an insn that has
12083 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
12085 * config/mips/mips.c (symbolic_expression_p): New function.
12086 (mips_select_rtx_section): Put symbolic expressions in the
12087 data section, not the read-only data section.
12089 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
12091 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
12093 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
12095 * collect2.c (main): Log frame table count.
12096 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
12097 (scan_prog_file) [COFF]: Handle frame tables.
12099 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
12100 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
12101 * alpha/elf.h: Undef them again.
12102 * alpha/vms.h: Remove their definitions.
12104 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12106 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
12107 remove the clobber of r0 and change the REG_UNUSED note to
12110 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
12112 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
12113 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
12114 fits in HOST_WIDE_INT and one uses union to access a long constant
12117 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
12119 * sparc.c (sparc_override_options): Don't allow profiling for
12120 code models other than medlow.
12121 (sparc_function_profiler): New function from old FUNCTION_PROFILER
12122 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
12123 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
12124 (sparc_block_profiler): Likewise.
12125 (sparc_function_block_profiler_exit): Likewise.
12126 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
12127 (FUNCTION_BLOCK_PROFILER): Likewise.
12128 (BLOCK_PROFILER): Likewise.
12129 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
12130 (MCOUNT_FUNCTION): New.
12131 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
12132 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
12133 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
12134 (MCOUNT_FUNCTION): New.
12135 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
12136 (BLOCK_PROFILER): Delete.
12137 (MCOUNT_FUNCTION): New.
12139 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
12141 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
12143 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12145 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12148 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12151 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12154 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12157 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
12159 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
12162 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
12164 * i386/djgpp.h (LIB_SPEC): New.
12165 (STARTFILE_SPEC): New.
12167 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
12169 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
12171 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
12174 * system.h (WSTOPSIG): New macro.
12176 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
12178 * c-pragma.c (push_alignment): Don't ignore alignments greater than
12180 (insert_pack_attributes): Take into account member natural
12183 * i386/winnt.c (exports_head): New static variable.
12184 (i386_pe_record_exported_symbol): New function.
12185 (i386_pe_asm_file_end): Use.
12186 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
12187 symbols to be emitted at end of assembly.
12188 (ASM_DECLARE_OBJECT_NAME): Likewise.
12189 (ASM_DECLARE_FUNCTION_NAME): Likewise.
12191 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
12194 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
12196 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
12199 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
12201 * haifa-sched.c (sched_analyze_1): Use free_list instead of
12202 zapping reg_last_uses directly.
12203 (sched_analyze_2, sched_analyze_insn): Likewise.
12204 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
12206 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
12208 * rs6000.md (movdf_hardfloat32): Use worst case insn length
12209 attributes for cases 1 and 2.
12211 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
12213 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
12216 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
12218 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
12220 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
12222 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
12223 PIC_OFFSET_TABLE_REGNUM for general alloaction.
12224 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
12225 must be stacked if it is used for PIC accesses.
12226 * arm.c (use_return_insn): Handle PIC register specially.
12227 (output_return_instruction): Likewise.
12228 (output_func_{prologue,epilogue}): Likewise.
12229 (output_expand_prologue): Likewise.
12231 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
12232 (*strsi_predec): Renamed from *strqi_predec.
12233 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
12234 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
12236 * arm.c (arm_override_options): Remove warning about PIC code
12237 not being supported.
12239 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
12241 * rs6000.c (find_addr_reg): New function.
12242 * rs6000.h (find_addr_reg): Declare.
12243 (offsettable_addr_operand): Delete.
12244 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
12245 from and stores to GPRs.
12247 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
12249 * alpha.c (alpha_expand_block_move): Use get_insns rather than
12250 gen_sequence as argument to emit_no_conflict_block.
12252 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12254 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
12255 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
12256 *fixinc/fixincl.x: regen
12257 *fixinc/inclhack.sh: regen
12259 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
12261 * added support for -mpcrel (PC relative addressing for m68k)
12262 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
12263 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
12264 * m68k.c (print_operand_address): Handle 32-bit PIC case.
12265 (comments for general_src_operand): Add some explanation
12266 about EXTRA_CONSTRAINTS.
12267 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
12268 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
12269 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
12270 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
12271 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
12272 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
12273 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
12274 if not already set.
12275 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
12276 * m68k.h (TARGET_PCREL): New target flag.
12277 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
12278 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
12279 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
12280 contains a SYMBOL_REF. Relax this constraint during reload, since
12281 we want to use the predicates, not reload's built-in concept of a
12282 valid memory address, to control what insns need reloading.
12283 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
12284 operands (essentially 'g', 'm', and 's' under normal circumstances).
12285 * m68k.c (print_operand): Cause printing of pc-relative addresses
12286 to include pc register.
12287 (print_operand_address): Ditto.
12288 (general_src_operand): Accept operands that are not only
12289 general_operands, but are also valid when used as a pc-relative
12291 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
12292 (memory_src_operand): Similar, for memory_operands.
12293 (pcrel_address): New predicate to accept the special case of a
12294 pc-relative address.
12295 * m68k.md (many patterns): Rewrite common SImode, HImode, and
12296 QImode insns to accept *_src_operand instead of *_operand where
12297 pc-relative operands can fit. For example, a pc-relative operand
12298 can be used as a memory source operand for addsi3, but not as a
12299 memory destination.
12300 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
12302 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
12304 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
12305 .thumb_set pseudo op to mark aliases of thumb functions.
12307 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
12309 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
12310 preference to ASM_OUTPUT_DEF, if it is defined.
12312 * tm.texi: Document new, optional target macro
12313 ASM_OUTPUT_DEF_FROM_DECLS.
12315 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12317 * fixincludes: ISCNTL patch
12318 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
12319 (dgux_int_varargs): new for DG/UX
12320 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
12322 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
12324 * invoke.texi (ia32 options): Fix typo.
12326 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12328 * loop.c (strength_reduce): When doing biv->giv conversion, update
12329 reg note of NEXT->insn.
12331 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
12333 * loop.c (move_movables): Note issues with replacing REGs with
12335 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
12337 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
12339 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
12341 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
12342 the reference to `mcount' was not correct for the ELF on FreeBSD.
12344 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12346 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
12349 (recombine_givs): Set ix field after sorting.
12351 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
12353 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
12354 to safe to extract a subword out of a REG.
12356 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12358 * sh.md (mulsi3): Don't add a no-op move at the end.
12360 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12362 * cse.c (cse_insn): Don't put hard register source into tables for
12363 the last insn of a libcall.
12365 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12367 * loop.c (strength_reduce): Insert sets of derived givs at every
12368 biv increment, even if it's the only one.
12370 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12372 * dwarfout.c (add_incomplete_type): New fn.
12373 (output_type): Call it.
12374 (retry_incomplete_types): New fn.
12375 (dwarfout_finish): Call it.
12377 From Eric Raskin <ehr@listworks.com>:
12378 (output_type): Output types for bases.
12380 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12382 * mips.c (mips_output_conditional_branch): Add `break'
12383 between `default' label and `close braces'.
12385 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
12387 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
12388 specifications and make it realistic.
12389 (LIB_SPEC): Likewise.
12391 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
12393 * config/mips/mips.c (mips_secondary_reload_class): Check for
12394 (PLUS (SP) (REG)) and return appropriate register class.
12395 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
12396 Handle (PLUS (SP) (REG)).
12397 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
12398 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
12399 of emit_insn for tablejump.
12401 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
12403 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
12404 asm_fprintf format string by itself.
12405 (output_function_profiler): Likewise.
12407 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
12409 * combine.c (simplify_logical, case AND): Only call
12410 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
12411 or the constant is positive.
12413 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
12415 * configure.in: Fix typo in rs6000-ibm-aix4 case.
12416 * configure: Regenerate.
12418 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
12420 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
12421 require a sub-version #.
12422 * configure: Rebuilt.
12424 1999-06-14 Robert Lipe (robertlipe@usa.net)
12426 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
12428 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
12430 * c-typeck.c (process_init_element): Detect excess elements in
12431 char array initializer.
12433 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
12435 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
12437 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12439 * invoke.texi (Option Summary): Add -fpermissive flag.
12441 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
12443 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
12444 that require PIC code sequences.
12446 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
12448 * configure.in: Add new target: thumb-elf.
12449 * configure: Regenerate.
12450 * config/arm/t-thumb-elf: New file: Makefile fragment for
12452 * config/arm/telf.h: New file: Header file for thumb-elf
12455 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
12457 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
12458 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
12459 initializers is some circumstances.
12461 * fixinc/inclhack.def (endif_label): Add additional selector for
12462 more bogus stuff after #endif statements.
12463 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
12465 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
12467 * i386/cygwin.h (SET_ASM_OP): Define.
12469 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
12471 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
12473 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12475 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
12478 * sh.md (ic_invalidate_line_i): Remove second alternative.
12480 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12482 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
12483 test for the presence of valid prototypes. Delete bypass expr.
12484 (ioctl_fix_ctrl): Correct the selection expression.
12485 (no_double_slash): Correct quoting rules
12486 *fixinc/fixincl.x: regen
12487 *fixinc/inclhack.sh: regen
12489 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
12491 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
12493 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12495 * rs6000.md (movsi_got_internal_mem): Delete.
12496 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
12497 (GOT_TOC_REGNUM): Delete.
12498 (PIC_OFFSET_TABLE_REGNUM): Define.
12499 (FINALIZE_PIC): Disable.
12500 * rs6000.c (rs6000_got_register): New code for fixed pic register.
12501 (rs6000_replace_regno): Delete.
12502 (rs6000_finalize_pic): Likewise.
12503 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
12505 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12507 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
12508 is a note; use <= for the compare; advance P while it is
12511 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
12513 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
12514 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
12516 * varasm.c (remove_from_pending_weak_list): Verify t->name
12517 is non-NULL before passing it to strcmp.
12519 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12521 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
12522 the typed arguments are not part of a comment
12523 (ioctl_fix_ctrl): Added a purpose comment
12524 *fixinc/fixincl.x: regenerate
12525 *fixinc/inclhack.sh: regenerate
12527 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12529 * invoke.texi: Add C4x invocation docs.
12531 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12533 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
12535 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
12537 (c4x_legitimize_reload_address): New function.
12538 * config/c4x/c4x.md: Update docs.
12540 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
12542 * fixincludes: Avoid removing '.'.
12543 * fixinc/fixinc.svr4: Likewise.
12544 * fixinc/fixinc.winnt: Likewise.
12545 * fixinc/inclhack.tpl: Likewise.
12546 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
12548 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12550 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
12552 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
12554 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
12556 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
12559 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
12561 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
12562 * configure: Regenerate.
12564 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
12566 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
12569 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
12571 * fixinc/inclhack.def (avoid_bool): Also catch
12572 "typedef [unsigned] int bool".
12573 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
12575 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
12576 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
12577 * configure: Rebuilt.
12579 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
12581 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
12582 such that we can override its definitions if necessary.
12583 (CPP_SPEC): New define. Support processor specific predefines via
12585 (CC1_SPEC): New define. Support processor specific compiler
12586 options via %(cc1_cpu).
12587 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
12590 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12592 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
12593 between sed's -e flag, and the open-quote following it.
12594 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
12596 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
12597 Jeffrey A Law (law@cygnus.com)
12599 * varasm.c (assemble_start_function): Remove the function
12600 from the pending weak decls list when we define a function.
12601 (assemble_variable): Similarly for variables.
12602 (weak_finish): Ignore items on the list with a NULL name.
12603 (remove_from_ending_weak_list); New function to "remove" an item
12604 from the pending weak declarations list.
12606 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12608 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
12610 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
12612 * c-lex.c (GETC): Redefine to call getch.
12613 (UNGETC): Redefine to call put_back.
12614 (putback_buffer): New structure type.
12615 (putback): New static structure.
12616 (getch): New function.
12617 (put_back): New function.
12618 (yylex): Replace unused bytes from bad multibyte character.
12620 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
12622 * cpplib.c (do_define): Cast `alloca' return value.
12623 (do_include, do_undef, do_pragma): Likewise.
12624 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
12626 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
12627 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
12629 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
12631 * sparc.md (abstf2): This should be an expand.
12632 (split after abstf2_notv9): Fix mode.
12633 (abstf2_hq_v9): New pattern.
12634 (abstf2_v9): Only use when no hard quad.
12635 (absdf2_v9): Fix if target is not the same as source.
12636 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
12637 Add correct output constraints.
12639 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
12641 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
12642 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
12644 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
12646 * mips.h (mips_output_conditional_branch): New function.
12647 (mips_adjust_insn_length): Likewise.
12648 (ASSEMBLER_SCRATCH_REGNUM): New macro.
12649 (ADJUST_INSN_LENGTH): Likewise.
12650 * mips.c (print_operand): Add `F' and `W' for floating-point
12651 comparison opcodes.
12652 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
12654 (mips_adjust_insn_length): New function.
12655 (mips_output_conditional_branch): New function.
12656 * mips.md (length): Adjust attribute definition to handle
12657 conditional branches. Change lengths to bytes, rather than
12658 instructions throughout. Remove length attribute from
12659 instructions whose length is four bytes, and rely on the default
12661 (dslot): Fix typo in comment.
12662 Reword conditional branch patterns to use
12663 mips_output_conditional_branch.
12665 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12667 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
12668 (LIB_SPEC): Likewise.
12669 Link with -lprof1_r for -g/-pg.
12671 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12673 * loop.c (check_dbra_loop): Fix change of Jan 19.
12675 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
12677 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
12678 (STARTFILE_SPEC): Define, override the svr4.h version.
12679 (ENDFILE_SPEC): Likewise.
12681 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
12683 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
12684 * fixinc/fixincl.x: Regenerated.
12685 * fixinc/inclhack.sh: Regenerated.
12687 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12689 * sh.c (barrier_align): Don't return early for normal branch/barrier
12690 when optimizing for SH2.
12692 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
12694 * i386/udk.h (LINK_SPEC): Correct linker search path for
12697 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12699 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
12700 (braf_label_ref_operand): Delete.
12701 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
12702 * sh.md (casesi_jump_2): Operand1 is now the inside of a
12703 label_ref, and has no predicate.
12704 The patten has a predicate to guard against invalid substitutions.
12705 (dummy_jump): Delete.
12706 (casesi): Update use of casesi_jump_2.
12708 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12710 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
12711 *fixinc/fixincl.x: regenerate
12712 *fixinc/inclhack.sh: regenerate
12714 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
12716 * dwarf2out.c (add_incomplete_type): New fn.
12717 (gen_struct_or_union_type_die): Call it.
12718 (retry_incomplete_types): New fn.
12719 (dwarf2out_finish): Call it.
12721 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
12723 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
12724 current block starts with a CODE_LABEL and ends with a CALL and
12725 we can not find all the argument setup instructions for the CALL.
12727 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
12729 Revert this change:
12730 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
12731 something is a candidate for optimize_bit_field_compare.
12733 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12735 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
12737 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
12739 * alpha.c (override_options): Thinko in last patch.
12741 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
12742 (LIB_SPEC): Recognize -pthread.
12744 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
12746 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
12747 definition in config/arm/coff.h
12748 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
12750 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12752 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
12753 fixes that need "file=xxx\n" prepended before invocation
12754 (start_fixer - new): starting the fixer process is complex enough
12755 to warrent its own routine. It prepends the "file=xxx\n" stuff.
12756 (process): uses the new routine; omit usage of putenv()
12757 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
12758 * fixinc/fixincl.x: regenerate
12760 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
12762 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
12763 and version #s (1.1 -> 2.96) as needed.
12764 * README.g77: Kill way out of date file in the toplevel directory.
12766 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
12768 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
12769 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
12770 * configure: Rebuilt.
12771 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
12772 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
12773 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
12774 (SWITCH_TAKES_ARG): Likewise.
12775 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
12776 * config/t-freebsd: Moved from config/i386/ so it can used for all
12779 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
12781 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
12783 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
12785 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
12786 * configure: Rebuilt.
12788 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
12790 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
12791 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
12792 * rs6000/rs6000.c (rs6000_file_start): Use putc.
12793 (rs6000_output_load_toc_table): Same.
12794 (output_prolog, output_mi_thunk): Same.
12795 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
12796 (ASM_GLOBALIZE_LABEL): Use putc.
12798 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
12800 * alpha.md (reload_*_help): New patterns and splitters.
12801 (reload_*): Use them.
12802 (mov[qh]i): Likewise.
12804 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
12806 * cccp.c (handle_directive): Handle backslash-newlines in quoted
12809 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
12811 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
12813 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
12815 * flow.c (mark_regs_live_at_end, insn_dead_p,
12816 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
12817 and HARD_FRAME_POINTER_REGNUM special treatment if reload
12818 hasn't run or the frame pointer is needed.
12819 * haifa-sched.c (attach_deaths): Likewise.
12820 * sched.c (attach_deaths): Likewise.
12822 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
12824 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
12825 calculate_can_reach_end returns nonzero.
12827 * configure.in (native gas tests): Search for an assembler in the
12828 same manner that the installed compiler will.
12829 * configure: Rebuilt.
12830 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
12832 * alias.c (find_base_term): Improve handling of addresses
12833 constructed from binary operations.
12835 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
12837 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
12839 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
12841 * function.h (cleanup_label, frame_offset): Declare.
12842 (tail_recursion_label, tail_recursion_reentry): Likewise.
12843 (arg_pointer_save_area, rtl_expr_chain): Likewise.
12844 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
12845 (tail_recursion_label, tail_recursion_reentry): Likewise.
12846 (arg_pointer_save_area, rtl_expr_chain): Likewise.
12848 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
12850 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
12852 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
12853 (MAX_OFILE_ALIGNMENT): Define.
12855 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
12857 * fixincl.c: Replace local include scheme with #includes of
12858 gansidecl.h and system.h.
12859 * procopen.c: Likewise.
12860 * server.c: Likewise.
12862 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
12864 * i386/t-dgux (EXTRA_PARTS): Add crti.o
12865 (crti.o): Add build rule and dependencies.
12866 * fixinc/fixinc.dgux: Use modified _int_varargs.h
12868 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12870 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
12871 (LIB_LINUX_SPEC): Likewise.
12872 (LIB_LINUX_SPEC): Add support for -pthread
12873 (CPP_OS_LINUX_SPEC): Likewise.
12874 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
12877 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
12879 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
12881 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
12882 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
12883 for IEEE math and CC_FCOMI.
12884 (put_jump_code): No IEEE if CC_FCOMI is set.
12886 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12888 * fold-const.c (fold_truthop): Make the field reference unsigned
12889 when converting a single bit compare.
12891 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12893 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
12895 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
12897 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
12898 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
12901 * reload.c (push_reload): Do not call remove_address_replacements
12902 when presented with identical optional reloads.
12904 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
12906 * alpha.h (MASK_FIX, TARGET_FIX): New.
12907 (MASK_*): Reorganize constants.
12908 (CPP_AM_FIX_SPEC): New.
12909 (TARGET_SWITCHES): Add FIX.
12910 (EXTRA_SPECS): Likewise.
12911 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
12912 (SECONDARY_MEMORY_NEEDED): Likewise.
12913 (REGISTER_MOVE_COST): Likewise.
12914 * alpha.c (override_options): Add FIX support. Always use
12915 ALPHA_TP_PROG for ev6.
12916 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
12917 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
12918 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
12920 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
12922 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
12923 something is a candidate for optimize_bit_field_compare.
12925 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
12927 * gcc.texi (Passes): Document branch-shortening.
12928 * invoke.texi (Debugging Options): Document the fact that `-dp'
12929 outputs length information for instructions.
12931 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
12933 * flow.c: Revert previous delta.
12935 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
12937 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
12938 FRAME_POINTER_REGNUM.
12939 (mark_set_1): Ditto.
12940 (mark_used_regs): Ditto.
12942 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
12944 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
12945 (GOT_PCREL): New macro. Define to 1 if not already defined.
12946 * arm/elf.h (GOT_PCREL): Define to 0.
12947 * arm.c (arm_finalize_pic): Take into account the setting of
12950 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
12952 * output.h (STRIP_NAME_ENCODING): Provide default definition.
12953 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
12955 * flow.c (mark_set_1): Do not record BLKmode stores as dead
12956 store elimination candidates.
12958 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
12960 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
12963 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
12965 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
12966 Add use of x-aix41-gld.
12968 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
12970 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
12971 (ASM_OUTPUT_DESTRUCTOR): Define.
12973 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
12975 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
12976 last CODE_LABEL in a loop if we have previously passed a jump
12977 to the top of the loop.
12979 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
12981 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
12982 applying Philip's patch.
12984 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
12986 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
12989 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
12991 * loop.c (strength_reduce): Grow reg_single_usage as needed.
12993 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
12995 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
12996 Also remove a useless comment.
12998 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13000 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
13002 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
13004 * collect2.c (main): Only generate import or export file and add
13005 to link arguments if non-empty. Use xmalloc not alloca.
13006 (write_{export,import}_file): Delete.
13007 (write_aix_file): New function.
13008 (locatelib): Use xmalloc not malloc.
13009 (GCC_OK_SYMBOL): Do not check type if aix64.
13011 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
13013 Based on patch by Scott Bambrough and Pat Beirne:
13014 * config/arm/arm.c (making_const_table): New variable.
13015 * config/arm/arm.h (making_const_table): Declare.
13016 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
13018 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
13019 Keep track of when we are building the constant table.
13021 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
13023 * config/arm/arm.c (arm_override_options): Fix erroneous warning
13026 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
13028 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
13031 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
13033 * tm.texi (FUNCTION_ARG): Correct description of a stack element
13036 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
13038 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
13040 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13042 * rs6000.c (output_mi_thunk): Enable full support again.
13044 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13046 * sh.h (BRANCH_COST): Define.
13048 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
13050 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
13052 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
13054 * function.c (assign_stack_local): Align stack slot propertly.
13055 (assign_outer_stack_local): Likewise.
13057 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
13059 * expr.h (lang_expand_constant): Declare.
13060 * toplev.c (lang_expand_constant): Define it.
13061 * varasm.c (output_constant): Use it.
13063 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13065 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
13066 Change function definitions to K&R style.
13068 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13070 * fixinc/fixincl.c: We must not ignore SIGCLD now.
13072 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
13074 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
13075 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
13076 (several places): omit static initialization
13077 (process): use single fd, since only the read fd is used
13078 * fixinc/gnu-regex.c: define 'const' away, if not supported
13079 * fixinc/procopen.c(several places): omit static initialization
13080 * fixinc/server.c: define 'volitile' away, if not supported
13082 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13084 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
13085 asm_fprintf and %L to generate the label name.
13086 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
13087 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
13089 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
13091 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
13092 insn for a conditional jump can not be found.
13094 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
13096 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
13097 on variables in specific sections other than .sbss and .sdata.
13099 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
13101 * stmt.c (expand_return): Call start_cleanup_deferral and
13102 end_cleanup_deferral around conditional code.
13104 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13106 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
13107 filename lists. Utilizes new "krstr" AutoGen function.
13108 * fixinc/fixincl.x: Rebuilt.
13110 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
13112 * i386.c (output_float_compare): Avoid GNU-C extensions.
13114 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
13116 * version.c: Bump to distinguish mainline tree from the
13119 See ChangeLog.1 for earlier changes.