1 1999-12-06 Jakub Jelinek <jakub@redhat.com>
3 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
6 * longlong.h: Fix clobbers in SPARC asm statements.
8 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10 * fold-const.c (optimize_bit_field_compare): Only use one mode
11 for both RHS and LHS in non-constant case.
13 1999-12-06 Nathan Sidwell <nathan@acm.org>
15 * frame.c (start_fde_sort): Only allocate erratic array, if
16 linear one was allocated. Return allocated flag.
17 (fde_insert): Only insert, if there's a valid array.
18 (fde_end_sort): Split, sort and merge if linear and erratic
19 arrays exist, else just sort linear one.
20 (search_fdes): New function. Linear search through original fde
22 (frame_init): Permit multiple initializations. Cope with
24 (find_fde): Fallback on linear search, if failed to sort array.
25 (__deregister_frame_info): Only free sorted array, if we
28 1999-12-06 Jakub Jelinek <jakub@redhat.com>
30 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
32 1999-12-05 Jakub Jelinek <jakub@redhat.com>
34 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
36 1999-12-05 Mark Mitchell <mark@codesourcery.com>
38 * tree.h (special_function_p): Declare.
39 * calls.c (special_function_p): Make it global. Don't take `name'
40 as a parameter. Fix typo in 1999-11-28 change.
43 1999-12-04 Mark Mitchell <mark@codesourcery.com>
45 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
46 * tree.h (EXPR_WFL_FILENAME): Define in terms of
47 EXPR_WFL_FILENAME_NODE.
48 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
50 * print-tree.c (print_note): Print TREE_PRIVATE and
53 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
54 the original die cannot be found.
56 * varray.h (varray_head_tag): Add elements_used.
57 (VARRAY_PUSH): New macro.
58 (VARRAY_POP): Likewise.
59 (VARRAY_TOP): Likewise.
60 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
62 * varray.c (varray_init): Initialize elements_used.
63 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
64 (INTEGRATE_H): New variable.
65 (integrate.o): Depend on INTEGRATE_H.
68 * function.h (insert_block_after_note): Declare.
69 * function.c (insert_block_after_note): Split out from ...
70 (retrofit_block): ... here.
72 * stmt.c (expand_fixup): Fix typo in comment.
74 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
76 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
77 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
78 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
79 (regmove_optimize, fixup_match_1): Likewise.
81 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
83 * flow.c (flow_loops_dump): Add missing argument when calling
86 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
87 Greg McGary <gkm@gnu.org>
89 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
90 (init_attributes): Add A_NO_LIMIT_STACK.
91 (decl_attributes): Handle A_NO_LIMIT_STACK.
92 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
93 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
94 Handle stack bounds checking.
95 * flags.h (flag_stack_check): Use the word 'probe' rather than
96 'check', because the flag doesn't actually cause any checking to
98 * function.c (expand_function_start): Set
99 current_function_limit_stack.
100 * function.h (struct function): Add limit_stack.
101 (current_function_limit_stack): Define.
102 * invoke.texi (Code Gen Options): Document new options.
103 * rtl.h: Declare stack_limit_rtx.
104 * toplev.c (stack_limit_rtx): New variable.
105 (decode_f_option): Handle new options -fstack-limit-register=REG,
106 -fstack-limit-symbol=IDENT, -fno-stack-limit.
107 (main): Add stack_limit_rtx as GC root.
108 * tree.h (DECL_NO_LIMIT_STACK): New macro.
109 (struct tree_decl): New member no_limit_stack.
111 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
113 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
114 (conditional_trap+1): Get new mnemonic correct.
115 (conditional_trap+2): New pattern for DImode traps.
117 * config/m68k/m68k.c (output_function_prologue): Handle
119 * config/m68k/m68k.md (trap): New insn.
120 (conditional_trap): New insn.
121 * md.texi (Standard Names): Document `trap' and
123 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
124 so a cc0 setter doesn't get emitted at some random place in the
127 * config/i960/i960.md (trap): New insn.
128 (conditional_trap): New expander.
129 (conditional_trap+1, conditional_trap+2): New insns for signed
131 * config/i960/i960.c (i960_function_prologue): Use
132 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
134 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
135 Geoffrey Keating <geoffk@cygnus.com>
137 * flags.h (warn_padded, warn_packed): Add global var decls.
138 * toplev.c (warn_padded, warn_packed): Add global var defns.
139 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
140 * stor-layout.c (layout_record): Add local variable `type'
141 to hold often-used TREE_TYPE (field). Add local variable
142 `unpacked_align' to hold alignment that would be in force
143 if no `packed' attribute were present. Warn if `packed' attribute
144 is unnecessary, or even harmful. Warn when gcc inserts padding
145 to satisfy alignment requirements of members. Use NULL_TREE
146 when checking whether var_size is set.
147 * invoke.texi: Document new flags.
149 1999-12-03 Nathan Sidwell <nathan@acm.org>
151 * frame.c (fde_split): Reimplement to avoid variable sized array.
153 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
155 * combine.c (try_combine): Before fixing up LOG_LINKS for the
156 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
158 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
160 * invoke.texi: Document the mips option -mno-crt0
162 1999-12-02 Mike Karr <mkarr@mathworks.com>
164 * cccp.c (argdata): Added free_ptr member.
165 (macroexpand): Initialize free_ptr of each argument. When an
166 argument's buffers are freed, if the argument's free_ptr corresponds
167 to a buffer on the input stack, then return the free_ptr to that stack
168 frame, otherwise, free it.
169 (macarg): If an argument begins and ends on the same input stack level,
170 then transfer the free_ptr of that buffer to the argument in case
171 the stack is popped during the processing of a subsequent argument.
173 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
175 * loop.c (note_reg_stored): New function.
176 (struct note_reg_stored_arg): New structure.
177 (try_copy_prop): Change to be more conservative; only replace within
178 one extended basic block and stop replacing if a store to the
179 replacement reg is seen.
181 1999-12-02 Nick Clifton <nickc@cygnus.com>
183 * config/fp-bit.c: Initialise all fields of the NAN
186 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
189 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
191 * i386.md (extend?f?f2): Force the input into a register, not
194 1999-12-01 Jakub Jelinek <jakub@redhat.com>
196 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
198 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
199 alternative because setting up 64bit constant is usually costly,
200 especially when reload is in progress or completed.
201 (movdf_const_intreg_sp64): Likewise.
202 (movdf_const_intreg split): Fix building up constants when
203 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
205 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
207 * combine.c (if_then_else_cond): Use const_true_rtx instead of
208 const1_rtx for return values in EQ/NE comparison against (const_int 0)
211 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
212 (asm_file_start): Emit .am33 into assembly file when compiling for
214 (print_operand_address): Handle POST_INC addresses.
215 (can_use_return_insn, initial_offset): Check AM33 registers too.
216 (expand_prologue): Check & save AM33 registers too.
217 (expand_epilogue): Similarly.
218 (secondary_reload_class): Handle AM33 specific secondary reloads.
219 (output_tst): Emit efficient code for the AM33 too.
220 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
221 (TARGET_SWITCHES): Add -mam33 switch.
222 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
223 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
224 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
225 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
226 (enum reg_class, REG_CLASS_NAMES): Likewise.
227 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
228 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
229 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
230 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
231 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
232 (HAVE_POST_INCREMENT): Define.
233 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
234 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
235 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
236 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
237 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
238 (zero_extend to SI from QI/HI): Likewise.
239 (sign_extend to SI from QI/HI): Likewise.
240 (mulsidi3, umulsidi3): New patterns for the AM33.
241 (tstsi with zero extension from QI/HI): Add AM33 variants.
242 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
243 (return_internal_regs, store_movm): Handle new AM33 registers.
244 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
245 (LIBGCC, INSTALL_LIBGCC): Likewise.
246 * invoke.texi: Document new flags.
248 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
250 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
251 (addsi3_carry): Likewise.
252 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
253 (sbbsi3_carry): Likewise.
254 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
256 (test?i_1): Ensure that only one operand is memory.
257 (conditional move patterns): likewise.
258 (shift and rotate patterns): Rewrite to expander, add
259 "binary_operator_ok" to the condition.
261 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
262 * i386.h (procesor_costs): Add movzbl_load field.
263 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
264 non-Q registers, accept DImode registers anywhere.
266 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
267 * i386.c (*_cost): Set value for movxbl_load field.
269 * (addsi): New add to lea splitter.
271 (lea to add/shift peep2): New.
273 1999-12-01 Mark Salter <msalter@cygnus.com>
275 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
276 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
277 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
279 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
281 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
282 * i386.md (movsi_xor): New.
284 (movsi_1, movhi_1, movqi_1): Remove.
285 (movsi_2): Rename to movsi_1.
286 (movhi_2): Rename to movhi_1.
287 (movqi_2): Rename to movqi_1.
288 (movdi_1): Remove; remove splitter.
289 (movdi_2): Rename to movdi_1.
290 (divmodsi4 splitter): Do not emit clobbers for move patterns.
291 (long move peep2): Do not create QI or HI mode mov0s
292 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
294 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
297 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
298 (abs?f2_if): Likewise.
300 1999-11-30 Alex Samuel <samuel@codesourcery.com>
302 * ggc.h (ggc_test_and_set_mark): New macro.
303 (ggc_mark_rtx): Use ggc_test_and_set_mark.
304 (ggc_mark_tree): Likewise.
305 (ggc_mark_rtvec): Likewise.
306 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
308 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
310 * dwarf2out.c (scope_die_for): Only handle types. Only search for
312 (decl_scope_table): Just an array of trees now.
313 (push_decl_scope): Simplify.
314 (dwarf2out_init): Adjust.
315 (local_scope_p): New fn.
316 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
317 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
318 (gen_typedef_die): Likewise.
319 (gen_lexical_block_die): Don't call push/pop_decl_scope.
320 (gen_inlined_subroutine_die): Likewise.
321 (gen_abstract_function): Set current_function_decl temporarily.
322 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
323 Handle block extern declarations. Don't call push/pop_decl_scope.
324 (gen_decl_die): Fix logic for block externs.
326 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
328 * calls.c (special_function_p): Remove `realloc' and add `strdup'
329 to the list of functions which have attribute malloc by default.
331 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
333 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
334 integer constant does not match the traditional type, limit the
335 warnings to cases where the base of the type is ten.
337 * invoke.texi (-Wtraditional): Document it.
339 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
341 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
342 * rs6000.md: Only access a CONST_INT with INTVAL
344 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
346 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
347 (compute_nearerout): Likewise.
348 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
349 size_t to unsigned long for formatting.
351 1999-11-30 Jakub Jelinek <jakub@redhat.com>
353 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
354 Allow the user to override call-used/fixed state of %g2-5
355 registers from the command line (with the exception of %g4 for
357 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
358 there is a higher chance of having a leaf function.
359 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
360 for ARCH64 which has %ccr register.
361 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
363 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
364 insn accept into delay slot any insn which does not use %[ol]
365 registers. Accept some LO_SUM and shift left by 1 for the normal
367 (output_function_epilogue): Likewise.
368 (epilogue_renumber): Added argument which inhibits any renumbering
369 and just tests if the rtx does not use any %[ol] registers.
370 (output_return): Reflect above change.
372 1999-11-30 Jakub Jelinek <jakub@redhat.com>
374 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
375 aggregate passing for sizes <= 16 bytes.
377 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
379 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
380 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
381 * reload.c (find_dummy_reload): Likewise.
382 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
383 * reload1.c (reload_as_needed): Likewise.
384 * stupid.c (stupid_find_reg): Likewise.
385 * tm.texi (Obsolete Register Macros): Delete section.
386 * gmicro.h: Remove all traces of the two macros.
391 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
393 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
394 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
395 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
396 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
397 units for the sparclite86x chip.
398 (flush): Revert October 14th change; add SImode specifically.
399 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
400 * invoke.texi: Document it.
402 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
404 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
405 psimode_truncation_operand.
407 * config/mn10200/mn10200.c (psimode_truncation_operand): New
408 function. Return true if the operand is either a MEM valid
409 for a PSImode address or not a MEM at all.
411 * config/mn10200/mn10200.md (truncsipsi2): Use
412 psimode_truncation_operand.
414 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
416 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
417 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
418 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
419 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
420 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
421 (flow_loop_level_compute, low_loops_level_compute): Likewise.
422 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
423 * basic-block.h: Protect from multiple inclusion.
424 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
425 (struct loops, struct loop): Define structures.
426 * sbitmap.c (sbitmap_a_subset_b_p): New function.
427 * sbitmap.h: Protect from multiple inclusion.
428 (sbitmap_a_subset_b_p): Add prototype.
429 * Makefile.in (LOOP_H): New macro.
430 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
432 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
434 * cppinit.c (CAT): The argument list of this macro may not contain
437 1999-11-29 David S. Miller <davem@redhat.com>
439 Move quantity tables and register equivalence chains into
440 per-qty and per-register structure arrays respectively.
441 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
442 qty_const_insn, qty_comparison_code, qty_comparison_const,
443 qty_comparison_qty): Delete, replace with...
444 (qty_table): this structure table.
445 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
446 (reg_eqv_table): this structure table.
447 (make_new_qty): Add argument MODE. Caller updated.
448 Update to use qty_table and reg_eqv_table.
449 (make_regs_eqv, delete_reg_equiv, insert_regs,
450 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
451 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
452 cse_process_notes, cse_main, cse_basic_block): Likewise.
454 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
456 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
457 operation if C is negative.
458 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
459 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
460 law for some divisions if constant is negative and change other
461 divisions to the opposite rounding.
463 * expr.c (store_constructor_field): If bit position is not multiple
464 of alignment of TARGET's mode, use BLKmode.
466 * expr.c (expand_expr_unaligned): Add more code from full case
467 that is needed when OP0 is in a register.
469 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
471 * dwarfout.c (field_byte_offset): Size can be zero if there was
474 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
476 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
477 (associate_trees): Delete unused var TEM.
478 (extract_muldiv): Delete unused var CANCEL_P.
480 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
481 (target_isinf, target_isnan, target_negative): Add return types to
482 function definitions.
484 1999-11-29 Bruce Korb <autogen@linuxbox.com>
486 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
487 * fixinc/hackshell.tpl: ditto
488 * fixinc/fixtests.c(double_slash_test): more C++ header testing
489 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
491 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
493 * reload.c (push_reload): When looking for a register to put into
494 reg_rtx, make sure all hard regs in a multi-reg register are in the
495 right class and nonfixed.
497 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
498 pending_read_insns, pending_write_insns, pending_read_mems,
499 pending_write_mems, pending_list_length, last_pending_memory_flush,
500 last_function_call, sched_before_next_call): Move static variables
502 (bb_ prefixed versions): Replace with single array bb_deps.
503 (struct deps): New structure.
504 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
505 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
506 argument of type "struct deps *"; use that instead of global
507 variables. All callers changed.
508 (init_rgn_data_dependencies): Delete function.
509 (init_rtx_vector): Delete function.
510 (init_deps): New function.
512 (free_pending_lists): Simplify, we always use the bb_deps array even
513 if only one basic block.
514 (compute_block_backward_dependences): Likewise.
515 (schedule_region): Likewise.
517 (propagate_deps): New function, broken out of
518 compute_block_backward_dependences.
519 (compute_block_backward_dependences): Use it.
521 * alpha.md: Delete useless patterns that tried to work around
522 register elimination problems.
524 * unroll.c (loop_iterations): Don't abort if iteration variable
528 * reload1.c (reloads_conflict): Reverse test comparing operand
529 numbers when testing for conflict between output/outaddr reloads.
531 1999-11-29 David S. Miller <davem@redhat.com>
533 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
535 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
537 1999-11-28 Robert Lipe <robertl@cygnus.com>
539 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
540 table from .fini into .dtor.
542 1999-11-28 Anthony Green <green@cygnus.com>
544 * tree.h (struct tree_decl): Add malloc_flag.
545 (DECL_IS_MALLOC): Define.
546 * c-common.c (attrs): Add A_MALLOC attribute.
547 (init_attributes): Add this attribute to the table.
548 (decl_attributes): Handle malloc attribute.
549 * calls.c (special_function_p): Check for the malloc attribute.
550 * extend.texi (Function Attributes): Document malloc attribute.
552 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
554 * pa.md (reload shift-add patterns): Remove.
556 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
558 * reorg.c (dbr_schedule) Print more statistics. Corrected
559 problem when printing info when 3 delay slots are filled.
561 1999-11-28 Jakub Jelinek <jakub@redhat.com>
563 * combine.c (setup_incoming_promotions): Pass an outgoing
564 regno to FUNCTION_ARG_REGNO_P which it expects.
566 1999-11-28 Andreas Jaeger <aj@suse.de>
568 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
570 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
572 * cccp.c (do_include): Avoid initialization of automatic variable.
574 * integrate.c (mark_stores): Function definition made void, to match
575 previous declaration.
576 * regclass.c (dump_regclass): Ditto.
577 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
579 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
581 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
582 known to be multiple of divisor.
584 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
586 * combine.c (try_combine): Add code to try to merge a set of a
587 two-word pseudo to a constant with a setting of one of those words
590 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
591 (split_tree): Completely rework to make more general.
592 (make_range, fold): Call negate_expr.
593 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
594 (fold, associate): Call new split_tree and associate_trees.
595 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
597 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
599 * loop.c (try_copy_prop): Avoid GNU C extension.
601 1999-11-25 Mark Mitchell <mark@codesourcery.com>
603 * except.c (init_eh_for_function): Still zero eh_return_context,
604 eh_return_stack_adjust, and eh_return_handler.
606 * except.h (eh_status): Adjust documentation for x_protect_list.
607 (begin_protect_partials): New function.
608 * except.c (enqueue_eh_entry): Fix formatting.
609 (get_first_handler): Add consistency check.
610 (add_partial_entry): Adjust usage of protect_list.
611 (emit_cleanup_handler): Save and restore ehqueue.
612 (expand_start_all_catch): Add comment.
613 (begin_protect_partials): New function.
614 (end_protect_partials): Adjust usage of protect_list.
615 (init_eh_for_function): Use xcalloc.
617 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
619 * c-common.c (check_format_info): Don't call a variadic function
620 with a non-literal format string.
622 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
624 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
625 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
628 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
631 * collect2.c (collect_wait): Likewise.
633 * dbxout.c (dbxout_type): Likewise.
635 * gcc.c (do_spec_1): Likewise.
637 * genemit.c (gen_insn, gen_expand): Likewise.
639 * genrecog.c (write_switch, write_subroutine): Likewise.
641 * mips-tfile.c (catch_signal, botch): Likewise.
643 * print-rtl.c (print_rtx): Likewise.
645 * toplev.c (default_print_error_function, report_error_function,
646 _fatal_insn): Likewise.
648 1999-11-25 Mark Mitchell <mark@codesourcery.com>
650 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
652 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
654 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
655 operations when needed.
656 * i386.md (fop_?f_comm): New.
657 (fop_?f_1): Do not accept commutative operands.
659 1999-11-25 Andreas Jaeger <aj@suse.de>
661 * config/mips/mips.md (casesi_internal): Add missing brace.
663 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
665 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
666 (splice_child_die): Handle moving a child DIE from the declaration
667 DIE of a class to its specification.
668 (gen_struct_or_union_type_die): Use 'complete' consistently.
669 (gen_decl_die): Generate the virtual context DIE first.
670 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
672 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
674 * config/mips/mips.md (call_value_multiple_interanal1): New.
676 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
678 * dwarf2out.c (free_AT, free_die): New fns.
679 (remove_children): Call them.
680 (output_line_info): Disable removal of duplicate notes.
682 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
683 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
684 means pretend the type isn't defined.
685 Don't defer emitting types.
686 (gen_type_die_for_member): New fn.
687 (gen_decl_die): Call it.
688 (splice_child_die): New fn.
689 (gen_member_die): Call it rather than generate duplicate dies.
691 Defer emitting information for the abstract instance of an inline
692 until we either inline it or emit an out-of-line copy.
693 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
694 from output_inline_function if DECL_ABSTRACT is also set.
695 (block_ultimate_origin): Likewise.
696 (gen_abstract_function): New fn.
697 (gen_decl_die, gen_inlined_subroutine_die): Call it.
698 (gen_subprogram_die): An abstract instance is not a declaration
699 just because it doesn't match current_function_decl. Don't abort
700 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
701 has an abstract origin.
702 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
703 abstract instance here.
705 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
707 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
708 where we need to reload fpul from a system register.
710 1999-11-24 Andreas Jaeger <aj@suse.de>
712 * config/mips/linux.h (CPP_PREDEFINES): Added.
713 (LINK_SPEC): Remove -Y since this is only needed on sparc.
715 1999-11-24 Andreas Jaeger <aj@suse.de>
717 * config/mips/linux.h (TARGET_VERSION): Added.
718 (HANDLE_SYSV_PRAGMA): Added.
719 (DEFAULT_VTABLE_THUNKS): Added.
721 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
723 * local-alloc.c (qty): New structure and static variable.
724 (qty_phys_reg): Remove, all references changed to qty.
725 (qty_n_refs): Likewise.
726 (qty_min_class): Likewise.
727 (qty_birth): Likewise.
728 (qty_death): Likewise.
729 (qty_size): Likewise.
730 (qty_mode): Likewise.
731 (qty_n_calls_crossed): Likewise.
732 (qty_alternate_class): Likewise.
733 (qty_changes_size): Likewise.
734 (qty_first_reg): Likewise.
735 (alloc_qty): Rename variable QTY to QTYNO.
736 (finf_free_reg): Likewise.
737 (local_alloc): Allocate qty, do not allocate the removed variables.
739 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
741 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
742 when -membedded-pic is passed.
744 * config/mips/mips.md (casesi): Handle 64-bit case too.
745 (casesi_internal_di): New insn.
747 * config/mips/mips.c (embedded_pic_offset): Always make the
748 embedded-pic subtractions relative to the name of the current
749 function by use of the magic string "..CURRENT_FUNCTION".
750 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
752 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
754 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
755 of (const_int 0), when what we really care about is
756 whether it's a zero constant anyway.
757 (div_trap_mips16): Likewise.
759 1999-11-23 Mark Mitchell <mark@codesourcery.com>
761 * loop.c (loop_optimize): Always find_loop_tree_blocks and
762 unroll_block_trees when generating debuggable code.
764 * tree.h (unsave_expr_1): New function.
765 (lang_unsave): New variable.
766 (get_callee_fndecl): New function.
767 * tree.c (unsave_expr_now_r): New function.
768 (lang_unsave): Define.
769 (unsave_expr_1): Likewise.
770 (unsave_expr_now_r): Split out from unsave_expr_now.
771 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
772 call unsave_expr_now_r.
773 (get_callee_fndecl): Define.
775 * Makefile.in (gencheck): Don't depend on lang_tree_files.
776 (gencheck.o): Do depend on lang_tree_files.
778 * integrate.h (copy_decl_for_inlining): New declaration.
779 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
780 (copy_decl_for_inlining): New function.
781 (integrate_parm_decls): Use it.
782 (integrate_decl_tree): Likewise.
784 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
786 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
787 the second two from the first.
788 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
789 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
790 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
792 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
793 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
796 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
798 * pa.md (call_internal_symref, call_value_internal_symref): No mode
799 needed on the address operand.
800 * pa.c (call_operand_address): Check for the correct mode.
802 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
804 * loop.c: Include "basic-block.h".
805 (try_copy_prop, replace_loop_reg): New functions.
806 (load_mems): Detect registers that just hold copies of the hoisted
807 mem, and call try_copy_prop to eliminate them.
808 * Makefile.in (loop.o): Update dependencies.
810 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
812 * Makefile.in (gencheck.o): Depend on gencheck.h.
813 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
814 (insn-peep.o): Depend on except.h and function.h.
815 (insn-attrtab.o): Depend on RECOG_H.
816 (insn-output.o): Depend on toplev.h and flags.h.
817 (gengenrtl.o): Depend on real.h.
818 (gen-protos.o): Depend on cpplib.h and cpphash.h.
819 Unify all dependencies to be on RECOG_H rather than recog.h.
821 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
823 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
824 * configure.in: Try building a bi-arch 32/64-bit compiler on
825 sparc-*-solaris2.7 and higher.
826 * configure: Rebuild.
828 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
830 * config/freebsd.h: New, FreeBSD architecture independent file.
831 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
833 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
834 directly by i386/freebsd.h.
835 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
836 independent configuration file.
837 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
838 directly by i386/freebsd.h.
839 * configure: Rebuilt.
841 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
842 which is in the user's namespace.
843 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
844 `i386' which is not in our namespace.
846 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
848 * invoke.texi (ARM Options): Add in -mno-alignment-traps
850 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
852 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
853 (add_dwarf_attr, add_child_die): Just push onto the front.
854 (reverse_die_lists): New fn.
855 (add_sibling_attributes): Use it.
856 (push_decl_scope): Reorganize.
857 (add_name_and_src_coords_attributes): Don't set file and line for
859 (gen_subprogram_die): An artificial function doesn't need to match
861 (gen_compile_unit_die): Return the generated die. Only add
862 AT_comp_dir if the filename is relative.
863 (remove_AT): Simplify loop. Also free string values.
864 (output_die): A DIE ref can't be null.
865 (output_value_format, value_format): Take a dw_attr_ref.
866 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
867 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
868 AT_addr, AT_lbl): New fns.
872 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
874 * combine.c (combine_simplify_rtx): When handling a SUBREG,
875 take SUBREG_WORD into account.
876 (if_then_else_cond): Likewise.
878 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
880 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
881 clause from BSD license, pursuant with
883 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
885 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
887 * loop.c (load_mems): Reformat slightly.
888 * basic-block.h (regset_head): New typedef.
889 (INIT_REG_SET): New macro.
891 1999-11-22 Bruce Korb <autogen@linuxbox.com
893 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
894 (mips-dec-bsd*): non-functional code
895 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
897 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
898 added three replacement fixes
899 (no_double_slash): removed comments that are not (any longer) pertinent
900 (bad_lval): this fix currently runs against many files.
901 The comment seems to indicate that we should select for files
902 containing 'pragma extern_prefix'.
904 * fixinc/fixinc.x86-linux-gnu: deleted
905 * fixinc/inclhack.sh: regen
906 * fixinc/fixincl.x: regen
907 * fixinc/fixincl.sh: regen
909 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
911 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
912 its code is INSN and it has no notes.
914 1999-11-22 Andrew Haley <aph@cygnus.com>
916 * varasm.c (function_defined): Remove.
917 (make_function_rtl): Don't set function_defined.
918 (make_decl_rtl): Remove global register warning.
919 * regclass.c (no_global_reg_vars): New variable.
920 (globalize_reg): Warn if function has already been defined.
921 (regclass_init): Set no_global_reg_vars.
923 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
925 * regclass.c (reg_pref): New structure and static variable
928 (all uses of prefclass and altclass): Use reg_pref instead.
930 1999-11-21 Nick Clifton <nickc@cygnus.com>
932 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
934 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
935 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
936 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
938 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
940 * varasm.c (output_constructor): Solve problem with long long
941 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
943 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
945 * global.c (allocno): New structure and static variable.
946 (allocno_reg): Remove, all references replaced by allocno.
947 (allocno_size): Likewise.
948 (hard_reg_conflicts): Likewise.
949 (hard_reg_preferences): Likewise.
950 (hard_reg_copy_preferences): Likewise.
951 (hard_reg_full_preferences): Likewise.
952 (regs_someone_prefers): Likewise.
953 (allocno_calls_crossed): Likewise.
954 (allocno_n_refs): Likewise.
955 (allocno_live_length): Likewise.
956 (find_reg): Rename ALLOCNO to NUM.
958 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
960 (may_move_out_cost): New variable.
961 (init_reg_sets_1): Initialize may_move_out_cost.
962 (record_reg_classes): Use may_move_out_cost.
964 * regclass.c (dump_regclass): New function.
965 (regclass): New parameter DUMP, call DUMP_REGCLASS.
966 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
967 pass rtl_dump_file to regclass.
968 * rtl.h (regclass): Update prototype.
970 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
972 * i386.md (neg, not and abs patterns): Revmap to use
973 ix86_expand_unary_operator and ix86_unary_operator_ok.
974 (add?f and sub?f expanders): Force operand 1 to register.
975 * i386.c (ix86_expand_unary_operator): Rewrite.
976 (ix86_unary_operator_ok): Ensure that memory operands
978 (ix86_binary_operator_ok): Do not allow operand 1 to
979 come into memory and operand 0 not.
980 (ix86_expand_binary_operator): Ensure that
981 src1 is not non-matching memory.
983 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
984 to support integer registers and memory.
985 (abss?2_integer): Likewise.
987 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
988 (REG_CLASS_NAMES): Likewise.
989 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
991 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
992 (movsf): Likewise; unify 4th and 5th alternative.
994 (movdf_1): Likewise; rename to movdf_integer.
995 (pushxf): Likewise; rename to pushxf_integer; fix output template;
996 remove redundant splitter.
997 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
998 (movdf_nointeger): New.
999 (movxf_nointeger): New.
1000 (pushxf_nointeger): New.
1002 * i386.md (extend?f?f): Split to expander and pattern, refuse two
1003 memory operands in patterns.
1004 (fop*): Refuse two memory operands.
1006 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
1007 on !TARGET_USE_CLTD CPUs.
1009 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
1011 * extend.texi: Document C++ restricted pointers and references.
1013 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
1015 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
1016 (invalidate_skipped_set): Call it unconditionally.
1017 (cse_set_around_loop): Likewise.
1019 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1021 * rtl.texi (mem): Add documentation for alias-set argument
1024 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1026 * i386.h (struct_processor_costs): New fields int_load, int_store,
1027 fp_move, fp_load and fp_store
1028 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
1030 (MEMORY_MOVE_COST): New macro.
1031 * i386.c (386_cost): Define new fields.
1032 (i486_cost): Likewise.
1033 (pentium_cost): Likewise.
1034 (pentiumpro_cost): Likewise.
1035 (k6_cost): Likewise.
1037 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
1038 Geoffrey Keating <geoffk@cygnus.com>
1040 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
1042 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
1045 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
1046 (TARGET_STRICT_ALIGNMENT): New macro.
1047 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
1048 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
1049 * invoke.texi (M680x0 Options): Document -mstrict-align.
1051 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
1052 Richard Henderson <rth@cygnus.com>
1054 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
1055 (ix86_split_long_move): Declare.
1056 * i386.c (split_xf, ix86_split_movdi): Remove.
1057 (ix86_split_to_parts, ix86_split_long_move): New.
1058 * i386.md (dimode move splitters): Use ix86_split_long_move.
1059 (dfmode move splitters): Likewise.
1060 (xfmode move splitters): Likewise.
1061 (movsf_1): Allow F->r.
1062 (movdf_1, movxf_1): Allow F->ro.
1064 1999-11-17 Mark Mitchell <mark@codesourcery.com>
1066 * except.h (struct eh_entry): Add goto_entry_p.
1067 (eh_region_from_symbol): Remove prototype.
1068 * except.c (find_func_region_from_symbol): New function.
1069 (emit_cleanup_handler): Likewise.
1070 (eh_region_from_symbol): Make it static.
1071 (add_new_handler): Verify the argument.
1072 (find_func_region): Update comment.
1073 (expand_eh_region_end): Expand handlers here, rater than waiting
1074 until expand_leftover_cleanups or start_all_catch.
1075 (expand_leftover_cleanups): Don't expand here.
1076 (expand_start_all_catch): Or here.
1077 (expand_rethrow): Check the return value from find_func_region.
1078 * function.c (expand_function_end): Emit the catch_clauses.
1080 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
1082 * integrate.c (expand_inline_function): Add necessary check for NULL.
1084 1999-11-18 Nick Clifton <nickc@cygnus.com>
1086 * toplev.c (main): Correctly detect an unrecognised option.
1088 * cppinit.c (cpp_handle_option): Do not claim to have consumed
1089 a -f option if it has not been recognised.
1091 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
1093 * basic-block.h (update_life_extent): Remove trailing comma on
1094 enumeration type list.
1096 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1098 * varasm.c (output_constructor) Solved problem with long long
1099 bitfields. Corrected calculating this_time and shift. Also
1100 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
1102 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
1104 * flow.c (split_edge): Take looping structure into account when
1105 determining where to put the new block note.
1107 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
1109 * Makefile.in (ggc-none.o): Provide host specific version if
1112 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
1114 * cse.c (delete_trivially_dead_insns): Identify no-op insns
1115 containing subregs too.
1117 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1119 * invoke.texi: Add documentation for -muninit-const-in-rodata.
1120 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
1121 (TARGET_UNINIT_CONST_IN_RODATA): Define.
1122 (text_section): Add switches -munint-const-in-rodata and
1123 -mno-uninit-const-in-rodata.
1124 (ASM_OUTPUT_COMMON): Remove.
1125 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
1126 const objects should be placed in read-only data. Otherwise declare
1129 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
1131 * jump.c (jump_optimize_1): Revert last change.
1133 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
1135 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
1136 test if optimizing for size.
1138 1999-11-17 Mark Mitchell <mark@codesourcery.com>
1140 * Makefile.in (toplev.o): Depend on except.h.
1141 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
1143 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1145 * i386.md (divmodsi4): Rewrite to expander.
1146 (*divmodsi4_nocltd): New.
1147 (*divmodsi4_cltd): New.
1148 (divmodsi4 splitter): Handle the case when input comes in edx.
1149 (udivmodhi4): Do not use constraints in exander.
1150 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
1152 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
1154 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
1155 for the common case.
1157 1999-11-16 Jakub Jelinek <jakub@redhat.com>
1159 * explow.c (hard_function_value): Add outgoing argument.
1160 * expr.h (hard_function_value): Declare it.
1161 * calls.c (expand_call, emit_library_call_value): Update callers.
1162 * function.c (aggregate_value_p): Ditto.
1163 (diddle_return_value): Must look at the outgoing registers
1164 on archs with register windows.
1166 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
1168 * alpha.c (alpha_build_va_list): Use make_lang_type and
1169 initialize TYPE_NAME for the va_list record.
1171 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
1173 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
1175 * ggc.h (struct ggc_statistics): Rearrange elements for better
1176 packing on 64-bit hosts.
1177 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
1178 (compute_nearerout): Likewise.
1180 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
1182 * config/rs6000/rs6000.c (first_reg_to_save): Save
1183 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
1185 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
1187 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
1188 notion of nesting to find the DIE for a type or function.
1189 DIEs can go in limbo even if we got a context_die.
1190 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
1191 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
1193 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
1194 (gen_type_die): Writing out the context doesn't cause member class
1195 template instantiations to be written out as well.
1197 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
1199 * rs6000.h (ASM_OUTPUT_DEF): New.
1200 Based on proposed addition from David Edelsohn.
1202 1999-11-15 Robert Lipe <RobertLipe@usa.net>
1203 Bruce Korb <autogen@linuxbox.com>
1205 * fixinc/inclhack.def
1206 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
1207 (unixware7_byteorder_fix): added. Removes conflicts for new defs
1209 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
1210 (svr4_endian): enabled with SVR5
1211 (svr4_mkdev): simplified syntax and enabled with SVR5
1213 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
1215 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
1216 * configure: Rebuilt.
1217 * config/t-freebsd-thread: New file.
1219 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
1221 * i386.c (ix86_decompose_address): Verify the base is a REG
1222 before trying to examine its register number.
1224 * basic-block.h: Remove all #defines and prototypes related to
1226 (free_bb_mem, compute_preds_succs): Remove prototype.
1227 * rtl.h (free_bb_mem): Remove prototype.
1228 * flow.c (alloc_int_list_node); Remove function.
1229 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
1230 (compute_preds_succs, free_bb_mem): Likewise.
1231 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
1232 * toplev.c (rest_of_compilation): Likewise.
1233 * haifa-sched.c (build_control_flow): Use flow generated edge
1234 list to build the haifa specific edge list.
1235 (find_rgns): Use new CFG data structures instead of pred/succ lists.
1236 (schedule_insns): Do not build pred/succ lists anymore. Instead
1237 build the edge table.
1239 * basic-block.h (dump_bb_data): Remove declaration.
1240 * flow.c (dump_bb_data): Remove function.
1241 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
1242 (sbitmap_union_of_predsucc): Likewise.
1244 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
1245 argument. All callers changed.
1246 (delete_null_pointer_checks_1): No longer need to compute the
1249 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
1250 All callers changed.
1251 (pre_expr_reaches_here_p_work): Likewise.
1252 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
1253 * lcm.c (compute_laterin): Fix initialization of LATER.
1254 (compute_nearerout): Similarly for NEARER.
1256 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1258 * cse.c (set_nonvarying_address_components): Delete unused function.
1259 (refers_to_p): Likewise.
1261 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
1263 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
1266 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1268 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
1269 definition in do while (0).
1271 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
1273 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
1275 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
1277 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
1279 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
1281 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
1282 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
1283 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
1284 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
1286 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
1287 saved on the stack. Output more accurate stack frame statistics
1288 into assembler file.
1290 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
1292 * genextract.c (record_insn_name): New function.
1293 (get_insn_name): No longer a stub.
1294 (main): Call record_insn_name for each insn. After each label
1295 written, print the insn name in a comment.
1297 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1299 * output.h (const_section, init_section, fini_section): Add
1302 * alpha/elf.h (const_section): Delete declaration.
1304 * svr4.h (const_section): Likewise.
1306 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
1308 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
1309 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
1310 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
1312 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
1313 variable-sized array bounds.
1315 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
1317 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
1320 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1322 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
1323 addresses the same way GO_IF_LEGITIMATE_INDEX does.
1325 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1327 * cse.c (hash_arg_in_struct): Delete.
1328 (struct table_elt): Delete elt in_struct.
1329 (struct set): Delete elt src_in_struct.
1330 (merge_equiv_classes): Don't set either hash_arg_in_struct or
1331 the corresponding in_struct elts.
1332 (canon_hash): Likewise.
1333 (safe_hash): Likewise.
1334 (find_best_addr): Likewise.
1335 (record_jump_cond): Likewise.
1336 (cse_insn): Likewise.
1338 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
1340 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
1342 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
1345 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
1347 * function.c (diddle_return_value): Put back check that the DECL_RTL
1348 for the function is a register.
1350 * function.c (diddle_return_value): Use hard_function_value to
1351 get an rtx suitable for use in the USE/CLOBBER insn.
1353 * global.c (global_conflicts): Update comments.
1354 (record_conflicts): No need to record conflicts between pseudos here.
1356 1999-11-11 Bruce Korb <autogen@linuxbox.com>
1358 * fixinc/fixincl.c: Added verbose levels for status messages
1360 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1362 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
1363 operand as argument to expand_and or expand_binop.
1365 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
1367 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
1368 gcc_add_string_root.
1370 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
1372 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
1374 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
1376 * flow.c (compute_flow_dominators): Initially put all blocks on
1378 * lcm.c (compute_antinout_edge, compute_available): Similarly.
1379 * gcse.c (compute_cprop_avinout): Remove.
1380 (compute_cprop_data): Use compute_available.
1381 (delete_null_pointer_checks_1): Use compute_available.
1383 * basic-block.h (compute_available): Returns a void now.
1384 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
1385 to return a value anymore.
1386 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
1387 worklists. Fix boundary cases. Compute maximal solutions.
1388 (compute_laterin, compute_nearerout): Similarly.
1390 * dwarf2out.c (add_AT_location_description): Allow
1391 (mem (plus (pseudo) (...)) too.
1393 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
1395 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
1397 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
1398 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1400 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
1402 * gansidecl.h: Likewise.
1408 * toplev.h: Likewise.
1414 * varray.c: Likewise.
1416 * varray.h: Likewise.
1418 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
1420 * gcov.c (struct arcdata): Add hits and total, remove prob.
1421 (output_branch_counts): New.
1422 (process_args): Set output_branch_counts if -c.
1423 (calculate_branch_probs): Store hits and total instead of
1425 (output_data): Emit counts if output_branch_counts is true.
1426 * gcov.texi (Invoking Gcov): Document -c switch..
1428 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
1430 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
1431 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
1433 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
1435 * invoke.texi (C Dialect Options): Add missing builtins from
1437 * extend.texi (Other Builtins): Copy to this list.
1439 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1441 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
1442 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
1445 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
1447 * flow.c (compute_flow_dominators): No longer treat basic block 0
1448 or (n_basic_blocks - 1) specially. Clear the AUX field before
1449 starting computation of doms/pdoms. Fix initial state for pdoms.
1451 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1453 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
1454 match rtl.o's: added ggc.h and toplev.h
1455 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
1456 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
1457 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
1459 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
1461 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
1462 from HAVE_DOS_BASED_FILESYSTEM.
1463 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
1464 HAVE_DOS_BASED_FILESYSTEM.
1466 (split_directories): Only special-case DOS file names if
1467 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
1468 instead of explicit tests. Conditionalize on !VMS.
1469 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
1470 tests. Conditionalize on !VMS.
1471 (process_command): Only use make_relative_prefix if !VMS.
1472 (free_split_directories): Conditionalize on !VMS.
1473 (DIR_UP): Conditionalize on !VMS.
1475 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
1477 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
1479 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
1481 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
1484 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
1486 * invoke.texi (Environment Variables): Document relative path
1488 * gcc.c (DIR_UP): If not defined, define as "..".
1489 (standard_bindir_prefix): New static, holds target location to
1491 (split_directories): New function to split a filename into
1492 component directories.
1493 (free_split_directories): New function, release memory allocated
1494 by split_directories.
1495 (make_relative_prefix): New function, make a relative pathname if
1496 the compiler is not in the expected location.
1497 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
1498 can figure out an appropriate prefix from argv[0].
1499 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
1500 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
1501 STANDARD_BINDIR_PREFIX.
1503 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1505 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
1507 * config/c4x/c4x.h: Moved prototypes to c4x.h.
1508 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
1509 c4x_secondary_memory_needed) Delete.
1510 (fp_zero_operand): Add mode argument.
1512 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
1514 * reload1.c (reload_reg_free_for_value_p): Don't use a register
1515 that is in reload_reg_used.
1517 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
1519 * config/arm/arm-protos.h: New file: Prototypes for functions
1520 defined in arm.c and pe.c.
1521 * config/arm/arm.h: Fix compile time warnings.
1522 * config/arm/arm.c: Fix compile time warnings.
1523 * config/arm/pe.h: Fix compile time warnings.
1524 * config/arm/aout.h: Fix compile time warnings.
1526 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
1528 * config/m32r/m32r-protos.h: New file: Prototypes for functions
1531 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
1532 Add support for subtargets.
1533 Add prototypes for new predicates.
1534 Add scheduling macros.
1536 * config/m32r/m32r.c: Fix compile time warnings.
1537 (int8_operand): New predicate function.
1538 (reg_or_cmp_int16_operand): New predicate function.
1539 (extend_operand): New predicate function.
1540 (m32r_adjust_code): New scheduling function.
1541 (m32r_adjust_priorty): New scheduling function.
1542 (m32r_sched_init): New scheduling function.
1543 (m32r_sched_reorder): New scheduling function.
1544 (m32r_sched_variable_issue): New scheduling function.
1545 (direct_return): New codegen function.
1546 (m32r_not_same_reg): New rtl testsing function.
1548 * config/m32r/m32r.md: Fix compile time warnings.
1549 Add support for pre decrement and post increment memory
1554 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1556 * global.c (EXECUTE_IF_CONFLICT): Don't define.
1557 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
1558 (find_reg): Likewise.
1560 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
1562 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
1563 to avoid assembler errors.
1565 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
1567 * config/v850/v850-protos.h: New file: Prototypes for functions
1569 * config/v850/v850.h: Move prototypes to v850-protos.h
1570 * config/v850/v850.c: Move prototypes to v850-protos.h
1571 * config/v850/v850.md: Fix compile time warnings.
1573 * config/fr30/fr30-protos.h: New file: Prototypes for functions
1575 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
1576 * config/fr30/fr30.c: Fix compile time warnings.
1577 * config/fr30/fr30.md: Fix compile time warnings.
1579 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
1581 * tree.h (get_containing_scope): Declare it.
1582 * tree.c (get_containing_scope): New fucntion.
1583 (decl_function_context): Use it.
1584 * toplev.c (rest_of_compilation): Use get_containing_scope.
1586 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1588 * Makefile.in (rtl.o): Depend on toplev.h.
1590 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
1592 * cse.c (delete_trivially_dead_insns): Replace alloca with
1594 * except.c (update_rethrow_references): Likewise.
1595 (init_eh_nesting_info): Likewise.
1596 * function.c (identify_blocks): Likewise.
1597 * gcse.c (dump_hash_table): Likewise.
1598 * graph.c (print_rtl_graph_with_bb): Likewise.
1599 * loop.c (combine_movables): Likewise.
1600 (move_movables): Likewise.
1601 (count_loop_regs_set): Likewise.
1602 (strength_reduce): Likewise.
1603 * profile.c (compute_branch_probabilities): New function, split
1605 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
1606 * regclass.c (regclass): Likewise.
1607 * regmove.c (regmove_optimize): Likewise.
1608 * toplev.c (compile_file): Likewise.
1609 (main): Don't mess with the stack rlimit.
1611 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
1613 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
1614 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
1616 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
1618 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
1620 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
1622 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
1623 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
1626 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
1628 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
1630 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
1632 * gcse.c (post_dominators): Kill.
1633 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
1634 (compute_code_hoist_data): Use compute_flow_dominators. Do not
1635 pass in a pdom array since we do not need pdoms.
1636 * haifa-sched.c (schedule_insns): Similarly.
1637 * flow.c (compute_dominators): Remove dead function.
1638 (compute_flow_dominators): Do not compute doms or pdoms if the
1639 caller does not request them. Split up loop to build doms and
1640 pdoms. Use a worklist to compute doms and pdoms.
1641 * basic-block.h (compute_dominators): Remove prototype.
1643 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
1645 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
1646 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
1647 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
1648 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
1649 (cant_move, fed_by_spec_load, is_load_insn): Remove.
1650 (schedule_region): Remove unused variable.
1651 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
1653 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
1655 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
1656 (update_equiv_regs): Likewise.
1657 (block_alloc): Likewise.
1658 * reg-stack.c (reg_to_stack): Likewise.
1659 (convert_regs_2): Likewise.
1660 * reload1.c (reload_as_needed): Likewise.
1662 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
1664 * Makefile.in (dbxout.o): Depend on ggc.h.
1665 (dwarf2out.o): Likewise.
1666 (xcoffout.o): Likewise.
1667 * dbxout.c: Include ggc.h.
1668 (dbxout_init): Register lastfile as a root.
1669 * dwarf2out.c: Include ggc.h.
1670 (dwarf2out_line): Register lastfile as a root.
1671 * xcoffout.c: Include ggc.h.
1672 (xcoffout_source_line): Register xcoff_lastfile as a root.
1674 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
1676 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
1678 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
1680 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
1682 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1684 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1686 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
1687 (EXECUTE_IF_CONFLICT): Likewise.
1688 (ALLOCNO_LIVE_P): Avoid signed division.
1689 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
1690 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
1691 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
1693 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
1695 * haifa-sched.c (schedule_block): Don't crash if there's no
1696 next insn for an interblock movement.
1697 (add_branch_dependences): Don't allow clobber insns to move either.
1699 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
1701 * i386.c (split_xf): New.
1702 * i386-protos.h: Declare it.
1703 * i386.md (movxf_1): Add general regs alternatives.
1704 (movxf_1+1): New splitter for same.
1706 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
1708 * function.c (purge_addressof_1): Add missing return values.
1710 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
1712 * function.c (is_addressof): New function. Returns true if
1713 the given piece of RTL is an ADDRESSOF.
1714 (purge_addressof_1): Make boolean. Return false if the
1715 ADDRESSOFs could not be purged.
1716 (purge_addressof): If ADDRESSOFs could not be purged from the
1717 notes attached to an insn, remove the offending note(s),
1718 unless they are attached to a libcall.
1720 1999-11-05 Andreas Jaeger <aj@suse.de>
1722 * genoutput.c (null_operand =): Initialize all fields.
1724 * errors.h: Add extern to prototypes.
1726 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
1728 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
1729 * configure: Rebuilt.
1731 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1733 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
1734 (mirror_conflicts): New function.
1735 (global_alloc): Call it.
1736 (expand_preferences): Remove redundant CONFLICTP test.
1737 (find_reg, dump_conflicts): Likewise.
1738 (prune_preferences): Process conflicts one word at a time.
1740 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
1742 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
1743 instead of an explicit loop.
1745 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
1747 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
1748 if REG_RETVAL check succeeds, then put classp in src_elt.
1750 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
1752 * function.c (pad_to_arg_alignment): Only update argument_pad
1753 if the argument's alignment is greater than STACK_BOUNDARY.
1755 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
1757 * bitmap.h (BITMAP_XFREE): New.
1758 * flow.c (life_analysis): Use it.
1759 (life_analysis_1): Free blocks.
1761 * combine.c (undo_commit): New.
1762 (try_combine): Use it. Don't zap undobuf.undos.
1763 (combine_instructions): Don't zap undobuf.undos; free the
1766 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
1768 * stmt.c (cost_table_): New.
1769 (estimate_case_costs): Use it instead of xmalloc.
1771 * toplev.c (compile_file): Reuse dumpname memory instead
1774 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
1776 * reg-stack.c (convert_regs_1): Initialize target_stack->top
1777 after verifying an EH edge.
1779 * haifa-sched.c (init_rgn_data_dependences): Correctly
1780 size bb_pending_lists_length when zeroing.
1782 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
1784 * function.c (diddle_return_value): New.
1785 (expand_function_end): Use it.
1786 * stmt.c (expand_null_return): Likewise.
1787 (expand_value_return): Likewise.
1789 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
1791 * reload1.c (reload): Don't remove return value clobbers.
1793 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
1795 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
1797 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
1799 * cse.c (cse_main): Use xmalloc, not alloca.
1800 (cse_basic_block): Likewise.
1801 * local-alloc.c (local_alloc): Likewise.
1803 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
1804 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1806 * rtl.c: Include toplev.h.
1807 (fatal): Remove declaration.
1809 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
1811 * haifa-sched.c (schedule_block): Fix thinko.
1813 1999-11-03 James McKelvey <mckelvey@fafnir.com>
1815 * fixinc/fixincl.c(create_file): Allow for systems that do not have
1816 S_IR* defined values
1818 1999-11-03 Philippe De Muyter <phdm@macqel.be>
1820 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
1821 call `malloc' instead.
1823 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
1825 * flags.h (flag_renumber_insns): Declare.
1826 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
1828 * rtl.h (renumber_insns): Change prototype.
1829 * toplev.c (flag_renumber_insns): Define.
1830 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
1832 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
1834 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
1835 and fpsqrtd. Use them and create fdiv function unit to more
1836 accurately represent fpu sqrt pipeline semantics on UltraSparc.
1837 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
1839 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
1841 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
1843 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
1844 insn into ready list, do not use just a raw swap.
1846 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
1848 * rtl.h (renumber_insns): New function.
1849 (remove_unnecessary_notes): Likewise.
1850 * emit-rtl.c (renumber_insns): Define.
1851 (remove_unncessary_notes): Likewise.
1852 * toplev.c (rest_of_compilation): Remove dead code.
1853 Use renumber_insns and remove_unncessary_notes.
1855 * gcse.c (struct null_pointer_info): New type.
1856 (get_bitmap_width): New function.
1857 (current_block): Remove.
1858 (nonnull_local): Likewise.
1859 (nonnull_killed): Likewise.
1860 (invalidate_nonnull_info): Take a null_pointer_info as input.
1861 (delete_null_pointer_checks_1): New function.
1862 (delete_null_pointer_checks): Use it.
1864 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
1865 (split_edges): Likewise.
1866 (schedule_block): Likewise.
1867 (compute_block_backward_dependencies): Likewise.
1868 (schedule_region): Likewise.
1869 (schedule_insns): Likewise.
1871 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
1873 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
1874 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
1875 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
1876 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
1877 * jump.c (delete_unreferenced_labels): Don't delete if
1878 LABEL_ALTERNATE_NAME is set.
1879 * print-rtl.c (print_rtx): Dump alternate name.
1880 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
1881 * rtl.h (LABEL_ALTERNATE_NAME): Define.
1882 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
1883 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
1885 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1887 * fix-header.c (recognized_extern, recognized_function): Constify
1890 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
1891 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
1892 (compute_available): Remove unused variable `last'.
1893 (compute_nearerout): Remove unused variable `temp_bitmap'.
1894 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
1895 Remove unused variable `x'.
1897 * scan.h (recognized_function, recognized_extern): Constify a
1900 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
1902 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1904 * varasm.c (decode_rtx_const): Use XSTR to access the string
1907 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
1909 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
1911 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1913 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
1915 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
1917 * pa.c (ireg_operand): New function.
1918 * pa.h (PREDICATE_CODES): Handle ireg_operand.
1919 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
1920 Fix out of date comment.
1922 * pa.md (negdi2): Turn into expander + anonymous pattern.
1924 * reload.c (find_reloads): Fix typos in recent change.
1926 * dwarf2out.c: Do not include ctype.h.
1928 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1930 * regclass.c (record_reg_classes): Always use may_move_cost when
1931 seeing how operand fits with various register classes.
1933 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
1935 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
1936 * toplev.c: Revert Nov 1 13:22 change.
1938 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
1940 * config/pa/pa.md (height reduction patterns): Add checks for
1941 overlapping operands to avoid semantic-destroying splits for
1942 height reduction patterns.
1944 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1946 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
1947 have been an hyphen, fixed.
1948 * configure: Rebuilt.
1950 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
1952 * config/arm/tpe.h: Add prototypes for exported functions.
1953 * config/arm/pe.c: Fix compile time warnings.
1954 * config/arm/semi.h: Fix compile time warnings.
1955 * config/arm/arm.c: Fix compile time warnings.
1956 * config/arm/arm.h: Fix compile time warnings.
1957 * config/arm/arm.md: Fix compile time warnings.
1958 * config/arm/thumb.c: Fix compile time warnings.
1959 * config/arm/thumb.h: Fix compile time warnings.
1960 * config/arm/thumb.md: Fix compile time warnings.
1962 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
1964 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
1967 * unroll.c (unroll_loop): Remove LOOP notes when loop is
1968 completely unrolled.
1970 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1972 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
1974 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
1976 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
1977 * rtl.h (rtx_equal_p): Move prototype.
1978 * rtl.c (rtx_equal_function_value_matters): Move from
1980 (rtx_equal_p): Likewise.
1981 * rtlanal.c (rtx_equal_function_value_matters): Delete.
1982 (rtx_equal_p): Likewise.
1984 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
1986 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
1989 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
1991 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
1993 * pa.h (ADDR_VEC_ALIGN): Define.
1995 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
1996 notes when presented with "if (foo) break; end_of_loop" and
1997 the break sequence gets moved out of the loop.
1999 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
2000 Remove explicit zero initializations of entries within MAP.
2002 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
2004 * reg-stack.c (convert_regs_1): Handle EH edges specially.
2006 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
2008 * bitmap.h (BITMAP_XMALLOC): New macro.
2009 * flow.c (CLEAN_ALLOCA): Remove.
2010 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
2011 (life_analysis): Likewise.
2012 (update_life_info): Don't use CLEAN_ALLOCA.
2013 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
2014 (calculate_global_regs_live): Likewise.
2015 (print_rtl_with_bb): Likewise.
2016 (verify_flow_info): Likewise.
2017 * global.c (global_alloc): Likewise.
2018 (global_conflicts): Likewise.
2019 * integrate.c (save_for_inline_nocopy): Likewise.
2020 (expand_inline_function): Likewise.
2021 * jump.c (jump_optimize_1): Likewise.
2022 (duplicate_loop_exit_test): Likewise.
2023 (thread_jumps): Likewise.
2024 * loop.c (loop_optimize): Likewise.
2025 (combine_givs): Likewise.
2026 (recombine_givs): Likewise.
2027 * reorg.c (dbr_schedule): Likewise.
2028 * unroll.c (unroll_loop): Likewise.
2030 * combine.c (combine_instructions): Use xmalloc instead of alloca.
2032 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
2034 * toplev.c (rest_of_compilation): Don't optimize the CFG
2035 when rebuilding, just before dbr.
2037 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2039 * output.h (assemble_end_function, assemble_destructor,
2040 assemble_constructor, assemble_gc_entry, assemble_global,
2041 assemble_label, output_constant_pool) Constify a char*.
2043 * varasm.c (assemble_destructor, assemble_constructor,
2044 assemble_gc_entry, assemble_end_function, assemble_global,
2045 assemble_label, output_constant_pool): Likewise.
2047 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
2049 * config/arm/thumb.c (thumb_expand_prologue): Add comments
2050 explaining what is goin on in this function.
2052 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2054 * regclass.c (record_reg_classes): In matching case, recompute
2055 costs since the direction of movement is different.
2057 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
2059 * resource.c (mark_target_live_regs): For unconditional branches,
2060 the resources found at the branch target should be added to the
2061 resources found so far, not intersected.
2063 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
2065 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
2067 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
2068 (sys/mman.h): Include this file only if #HAVE_MMAP.
2069 (run_compiles): Initialize `esac_fmt' with one old KR string, not
2070 with automatically concatenated ANSI strings.
2072 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
2074 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
2075 (DIV_ROUND_UP): Robustify.
2076 (ggc_recalculate_in_use_p): New function.
2077 (release_pages): Don't inline it.
2078 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
2080 (ggc_pop_context): Use ggc_recalculate_in_use_p.
2081 (clear_marks): Always save in_use_p.
2082 (sweep_pages): Use ggc_recalculate_in_use_p.
2083 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
2084 Release pages before counting statistics.
2086 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
2088 * toplev.c (rest_of_compilation): Fix thinko in this change:
2090 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
2092 (rest_of_compilation): If inside an inlined external function,
2093 pretend we are just being declared.
2095 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
2097 * flow.c (calculate_global_regs_live): Fix thinko.
2099 * integrate.c (expand_inline_function): Fix bugs in previous
2100 change from Oct 28, 1999.
2102 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
2104 * stmt.c (expand_value_return): Fix typo in this change:
2106 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2107 (expand_value_return): Correctly convert VAL when promoting function
2108 return; support RETURN_REG being a PARALLEL.
2110 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
2112 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
2114 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2116 * hard-reg-set.h (reg_names): Constify a char*.
2118 * regclass.c (reg_names): Likewise.
2120 * regs.h (reg_names): Likewise
2122 * a29k/a29k.c (reg_names): Delete declaration.
2124 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
2126 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
2127 arc_output_function_epilogue): Likewise.
2129 * elxsi/elxsi.c (reg_names): Likewise.
2131 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
2133 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
2136 * m88k/m88k.c (output_function_profiler): Likewise.
2138 * sparc/sparc.c (sparc_flat_output_function_prologue,
2139 sparc_flat_output_function_epilogue): Likewise.
2141 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
2143 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
2144 warning from -Wuninitialized and put it under -W.
2145 * function.c (uninitialized_vars_warning): Warn only when the
2146 corresponding flag is set.
2148 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
2150 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
2151 is nonzero and the single set does not have an elt, then assign
2154 * simplify-rtx.c: New file.
2155 * Makefile.in (OBJS): Add simplify-rtx.o
2156 (simplify-rtx.o): Add dependencies.
2157 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
2158 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
2159 (cse_gen_binary, simplify_unary_operation): Delete.
2160 (simplify_binary_operation, simplify_plus_minus): Likewise.
2161 (check_fold_consts, simplify_relation_operation): Likewise.
2162 (simplify_ternary_operation): Likewise.
2163 (delete_trivially_dead_insns): Simplify the contents of the
2164 REG_EQUAL note before trying to substitute it into the source
2165 of the reg-reg copy at the end of a libcall sequence.
2167 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
2168 references/callers changed.
2170 * mn10200.c (mn10200_va_arg): Force the return value into a
2173 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
2175 * cccp.c (macroexpand): Avoid out of range accesses for omitted
2178 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
2180 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
2182 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
2184 * fold-const.c (fold): Fix thinko when optimizing comparisons
2187 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
2189 * gcc.texi (Passes): Update front-end files to their current
2192 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
2194 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
2195 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2196 (PREDICATE_CODES): Add addition_operation.
2197 * alpha-protos.h (addition_operation): Declare.
2198 (secondary_reload_class): Likewise.
2199 * alpha.c (addition_operation): New.
2200 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
2201 * alpha.md (adddi3): Turn into expander.
2202 (*lda, *adddi_2): New.
2203 (movsf, movdf patterns): Don't preference integer regs.
2204 (movsi, movdi patterns): Don't preference fp regs.
2206 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
2208 * genrecog.c (write_switch): Check for duplicate CODE cases.
2210 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
2212 * ggc-common.c: Update pre-function commentary.
2213 * ggc-page.c: Likewise.
2215 (poison_pages): Use memset directly.
2216 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
2217 (ggc_collect): Poison before sweeping.
2218 * ggc-simple.c: Update pre-function commentary.
2219 (ggc_alloc_obj): Poison non-zeroed memory.
2221 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
2223 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
2224 match format string, even on 64-bit hosts.
2225 * gcc-page.c (ggc_page_print_statistics): Likewise.
2227 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
2229 * config/i386/i386.c (ix86_cpu): Revert last patch.
2230 * config/i386/i386.h (ix86_cpu): Ditto.
2232 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
2234 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
2235 TYPE_SIZE, convert type of result to sizetype.
2237 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
2239 * flow.c (count_or_remove_death_notes): Equate NULL with the
2242 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
2243 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
2246 * i386.c (pic_label_no): Delete.
2247 (ix86_attr_length_default): Don't use single_set to peek
2250 * recog.c (peephole2_optimize): Allow recog_next_insn to index
2251 the first insn after bb->end.
2252 * i386.md (push mem peeps): Scratch is live after evaluation
2254 (cmp mem peep): Similarly.
2256 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
2258 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
2259 * function.c (pad_to_arg_alignment): Add missing braces.
2261 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2263 * alpha/alpha-protos.h (literal_section): Add prototype.
2264 (alpha_need_linkage, alpha_start_function,alpha_end_function):
2267 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
2269 (alpha_start_function, alpha_end_function, float_strings,
2270 alpha_need_linkage): Constify a char*
2272 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
2274 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
2276 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
2278 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
2280 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2282 * flow.c (debug_flow_info): Add prototype.
2284 * gcc.c (main): Likewise.
2286 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
2289 * reload1.c (failed_reload, set_reload_reg): Likewise.
2291 * mips-tfile.c (main): Likewise.
2292 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
2293 with ATTRIBUTE_NORETURN.
2295 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
2297 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
2298 DECL is not a memory ref.
2300 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
2302 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
2303 * config/i386/i386.c (ix86_cpu): Add extern attribute.
2305 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
2307 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
2308 * config/mips/elf64.h: ditto.
2310 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
2312 * expr.c (emit_push_insn): New argument alignment_pad.
2313 Update all callers. Adjust stack pointer based on alignment pad.
2314 * function.c (pad_to_arg_alignment): New argument alignment_pad.
2315 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
2316 (locate_and_pad_parm): New argument alignment_pad. Update all
2318 * expr.h (emit_push_insn): Update prototype.
2319 (locate_and_pad_parm): Update prototype.
2320 * calls.c (arg_data): Add new field alignment_pad.
2321 (initialize_argument_information): Initialize alignment_pad.
2323 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
2325 * except.c (free_eh_nesting_info): Free the info itself.
2326 * function.c (free_after_compilation): Don't free NULL.
2327 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
2328 (pre_edge_insert): Free inserted.
2329 * stmt.c (free_stmt_status): Don't free NULL.
2331 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
2333 * gcov.c (DIR_SEPARATOR): Provide default.
2334 (output_data): Add test for MS-DOS format absolute filename.
2335 (fancy_abort): Correct program name.
2336 (open_files): Open all files in binary mode.
2337 * libgcc2.c (__bb_exit_func): Likewise.
2339 * profile.c (init_branch_prob): Specify binary when opening files.
2341 * flags.h (flag_unwind_tables): New decl.
2342 * toplev.c (flag_unwind_table): New definition.
2343 (f_options): Add -funwind-tables.
2344 (decode_g_option): Clarify warning when unknown -g option is given.
2345 (rest_of_compilation): If inside an inlined external function,
2346 pretend we are just being declared.
2348 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
2349 (dwarf2out_frame_finish): Likewise.
2351 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
2353 * fold-const.c (merge_ranges): In not in0, but in1, handle
2354 upper bounds equal like subset case.
2356 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
2358 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
2359 passed in a register but moved to the stack.
2361 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
2363 * gcc.c (pass_exit_codes, greatest_status): New variables.
2364 (struct option_map): Add entry for "--pass-exit-codes".
2365 (execute): Update greatest_status if error.
2366 (display_help): Add documentation for -pass-exit-codes.
2367 (process_command): Handle -pass-exit-codes.
2368 (main): Look at pass_exit_codes and greatest_status on call to exit.
2370 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2372 * reload.c (find_reloads): Refine test for no input reload
2373 case to not includes reloads emitted after insn.
2375 * function.c (find_temp_slots_from_address): Handle sum involving
2376 a register that points to a temp slot.
2377 (update_temp_slot_address): Make recursive call if both old and
2378 new are PLUS with a common operand.
2379 * calls.c (expand_call): Mark temp slot for result as having
2382 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
2384 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
2385 component as well as "BINUTILS".
2387 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
2388 * integrate.c (copy_rtx_and_substitute): Likewise.
2389 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
2390 All callers changed.
2391 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
2393 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
2394 gdb extensions, write size of type; also be more consistent
2395 in using references when this is a subtype.
2397 * pa.md (extv, extzv, insv): Use define_expand to reject constant
2398 that is out of range.
2400 * loop.c (unknown_constant_address_altered): New variable.
2401 (prescan_loop): Initialize it.
2402 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
2403 (invariant_p, case MEM): Remove handling for volatile and readony;
2404 check new variable if readonly.
2405 (check_dbra_loop): Chdeck unknown_constant_address_altered.
2407 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
2408 (addr_affects_sp_p): Removed from note_mem_written and only
2409 define #ifdef AUTO_INC_DEC.
2411 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
2413 * regclass.c (record_reg_classes): Properly handle register move
2416 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
2417 Don't think valid if both operands are invalid.
2418 (struct constant_descriptor): New field RTL.
2419 (mark_const_hash_entry): Mark it.
2420 (record_constant{,_rtx}): Initialize it.
2421 (output_constant_def): Allocate RTL in permanent obstack and
2423 ({record,compare}_constant_1): Modes must match for
2424 CONSTRUCTOR of ARRAY_TYPE.
2426 * c-common.h (initializer_constant_valid_p): Delete decl from here.
2427 * output.h (initializer_constant_valid_p): Move decl to here.
2428 * c-common.c (initializer_constant_valid_p): Delete function from here.
2429 * varasm.c (initializer_constant_valid_p): Move function to here.
2431 * tree.h (STRIP_SIGN_NOPS): New macro.
2432 * fold-const.c (optimize_minmax_comparison): New function.
2433 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
2434 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
2435 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
2436 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
2437 widening conversions.
2438 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
2439 to look at size of mode, not precision of type; also add missing cases.
2440 (optimize_bit_field_compare, decode_field_reference): Don't try to
2441 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
2443 * dwarf2out.c (ctype.h): Include.
2444 (dwarf2out_set_demangle_name_func): New function.
2445 (size_of_line_info): Deleted.
2446 (output_line_info): Compute size of line info table from difference
2448 (base_type_die, add_name_attribute): Call demangle function, if any.
2449 (field_byte_offset): Use bits per word for variable length fields.
2450 (gen_array_type_die): Add array name.
2451 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
2452 (dwarf2out_add_library_unit_info): New function.
2454 * explow.c (set_stack_check_libfunc): New function.
2455 (stack_check_libfunc): New static variable.
2456 (probe_stack_range): Allow front-end to set up a libfunc to call.
2458 * combine.c (simplify_comparison): When making comparison in wider
2459 mode, check for having commuted an AND and a SUBREG.
2460 (contains_muldiv): New function.
2461 (try_combine): Call it when dividing a PARALLEL.
2462 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
2463 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
2465 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
2466 use one of the CLOBBERs instead.
2467 (if_then_else_cond): If comparing against zero, just return thing
2470 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
2471 Don't generate shifts and subtract if have conditional arithmetic.
2473 * rtl.h (delete_barrier): New declaration.
2474 * jump.c (jump_optimize): Set up to handle conditional call.
2475 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
2476 (delete_barrier): New function.
2478 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
2480 * recog.c (nonmemory_operand): Accept ADDRESSOF.
2482 * tree.c (build_type_attribute_variant): Push to obstack of
2483 ttype around type_hash_canon call.
2485 * expr.c (placeholder_list): Move decl to file scope.
2486 (expand_expr): Don't force access to volatile just because its
2488 If ignoring reference operations, just expand the operands.
2489 (expand_expr, case COMPONENT_REF): Propagate
2490 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
2491 Refine test for using bitfield operations vs pointer punning.
2492 (expand_expr, case CONVERT_EXPR): If converting to
2493 BLKmode UNION_TYPE from BLKmode, just return inner object.
2494 Use proper mode in store_field call.
2495 Properly set sizes of object to store and total size in store_field
2496 call for convert to union.
2497 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
2498 memory (like for ADDR_EXPR). Also, don't put constant in register if
2499 we'll want it in memory.
2500 (readonly_fields_p): New function.
2501 (expand_expr, case INDIRECT_REF): Call it if LHS.
2502 (expand_assignment): Handle a RESULT_DECL where
2503 DECL_RTL is a PARALLEL.
2504 (do_jump, case WITH_RECORD_EXPR): New case.
2505 (get_inner_reference): Always go inside a CONVERT_EXPR
2506 and NOP_EXPR if both modes are the same.
2507 (store_field): Use bitfield operations if size of bitsize is not same
2508 as size of RHS's type.
2509 Check for bitpos not a multiple of alignment in BLKmode case.
2510 Do block move in largest possible alignment.
2511 (store_constructor): Set BITSIZE to -1 for variable size and properly
2512 in case of array of BLKmode.
2513 (expand_expr_unaligned): New function.
2514 (do_compare_and_jump): Call it.
2516 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
2517 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
2518 does not include 'o'.
2520 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
2521 both SET_DEST and SET_SRC reference a virtual register.
2522 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
2524 * integrate.c (expand_inline_function): Handle case of setting
2525 virtual stack vars register (from built in setjmp); when parameter
2526 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
2527 (subst_constant): Add new parm, MEMONLY.
2528 (expand_inline_function, integrate_parm_decls): Pass new parm.
2529 (integrate_decl_tree): Likewise.
2530 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
2531 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
2532 (copy_rtx_and_substitute, case SET): Add explicit calls to
2533 copy_rtx_and_substitute for both sides.
2535 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
2537 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
2538 within INDEX_TYPE, instead of before.
2539 (fixup_gotos): Use f->target_rtl, not the next insn,
2540 since latter may be from a later fixup.
2541 (expand_value_return): Correctly convert VAL when promoting function
2542 return; support RETURN_REG being a PARALLEL.
2543 (expand_return): When checking for result in regs and having
2544 cleanup, consider PARALLEL in DECL_RTL as being in regs.
2546 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
2548 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
2549 last_nominal_fname): Mark const.
2550 (struct include_hash: name, nshort, control_macro): Mark
2552 (struct macrodef: symnam): Mark const.
2553 (struct if_stack: fname): Mark const.
2554 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
2555 (IStable): New character-syntax array which encompasses all
2556 the old is_foo arrays.
2557 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
2558 is_space): New macros for interrogating IStable.
2559 (check_macro_name): Kill last argument. All callers changed.
2561 * cppinit.c (initialize_char_syntax): Delete.
2562 (is_idchar, is_idstart, is_hor_space, is_space,
2563 trigraph_table): Delete.
2564 (IStable): New. Initialize with clever macros to avoid
2565 information duplication.
2566 (builtin_array): Table of builtins to get rid of explicit list
2567 in initialize_builtins.
2568 (initialize_builtins): Use builtins_array.
2569 (cpp_start_read): Call init_IStable, and set IStable['$'] if
2570 opts->dollars_in_ident.
2572 * cppexp.c: Change all refs to is_xyz[] arrays to use new
2574 (cpp_parse_expr): Avoid 'format string is not constant'
2575 warning. Use ISGRAPH to identify printable chars.
2576 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
2578 (read_and_prescan): Map trigraphs to chars with open-coded
2579 if-else-if-... sequence, not a lookup table.
2580 * cpphash.c: Change all refs to is_xyz[] arrays to use new
2582 * cpplib.c: Change all refs to is_xyz[] arrays to use new
2583 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
2584 (check_macro_name): Remove ability to report an invalid
2585 assertion name, which is never used.
2586 (do_line): Constify a couple of char *'s.
2587 * cppmain.c (main): Call cpp_cleanup before returning.
2589 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
2591 * ggc.h (struct ggc_statistics): New type.
2592 (ggc_get_size): New function.
2593 (ggc_print_statistics): Likewise.
2594 * ggc-common.c (ggc_stats): New variable.
2595 (ggc_mark_rtx_children): Keep statistics.
2596 (ggc_mark_tree_children): Likewise.
2597 (ggc_print_statistics): New function.
2598 * ggc-page.c (struct globals): Add bytes_mapped field.
2599 (alloc_anon): Update it.
2600 (release_pages): Likewise.
2601 (ggc_get_size): New function.
2602 (ggc_page_print_statistics): New function.
2603 * ggc-simple.c (ggc_get_size): New function.
2605 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
2607 * flow.c (propagate_block): When the last reference to a label
2608 before an ADDR_VEC is deleted because the reference is a dead
2609 store, delete the ADDR_VEC.
2611 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
2613 * resource.c (find_free_register): Don't use the frame pointer
2614 if frame_pointer_needed.
2616 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
2618 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
2619 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
2621 * config/i960/i960.c (i960_va_start): New locals base, num.
2622 Use INDIRECT_REF instead of ARRAY_REF on valist.
2623 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
2625 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
2627 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
2629 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
2631 * tree.def (PLACEHOLDER_EXPR): Update comments.
2633 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2635 * c-common.c (check_format_info): Avoid non-literal format string
2636 warnings when `first_arg_num' is zero.
2638 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2640 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
2642 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2644 * arm.md (casesi_insn): Add a clobber of the condition code
2647 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
2649 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
2650 used by both cc1 and cc1plus.
2652 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
2654 * config/arm/arm.c: Initialise arm_structure_size_boundary to
2655 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
2656 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
2657 to the value 32 if it has not already been defined.
2658 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
2659 Override definition in arm.h with a value of 8.
2661 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
2663 * c-pragma.c (push_alignment): Don't check the return value
2666 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
2668 * sparc.h (ADJUST_COST): Fix thinko.
2670 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
2672 * cccp.c (rescan): Fixed obp pointer handling around call to
2673 check_expand subroutine.
2675 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
2677 * gcse.c (delete_null_pointer_checks): Only record non-null info
2678 for pseudos when examining stores.
2680 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
2681 splitters for these patterns. Use "#" for output templates.
2682 (addsi3_carryin_shift): New pattern.
2684 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
2686 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
2687 of the function return register into a plain REG until
2688 after function inlining is done.
2690 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
2692 * jump.c (jump_optimize_1): If we did cross-jumping, and
2693 the data will matter, rebuild the CFG.
2694 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
2695 not optimizing. Don't run shorten_branches.
2696 * toplev.c (rest_of_compilation): Run shorten_branches after
2699 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
2701 * rtl.h (note_stores): Add additional paramter.
2702 * rtlanal.c (reg_set_p_1): Take additional paramter.
2703 (reg_set_last_1): Likewise.
2704 (reg_set_p): Adjust call to note_stores.
2705 (reg_set_last): Likewise.
2706 (note_stores): Pass data parameter to worker function.
2707 * alias.c (record_set): Take additional parameter.
2708 (init_alias_analysis): Pass it.
2709 * caller-save.c (mark_set_regs): Take additional parameter.
2710 (save_call_clobbered_regs): Pass NULL to note_stores.
2711 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
2713 (record_dead_and_set_regs_1): Likewise.
2714 (reg_dead_at_p_1): Likewise.
2715 (combine_instructions): Adjust calls to note_stores.
2716 (try_combine): Likewise.
2717 (record_dead_insn): Remove.
2718 (record_dead_and_set_regs): Adjust calls to note_stores.
2719 (reg_dead_at_p): Likewise.
2720 * cse.c (invalidate_skipped_set): Take additional parameter.
2721 (cse_check_loop_start): Likewise.
2722 (cse_check_loop_start_value): Remove.
2723 (cse_set_around_loop): Adjust calls to note_stores.
2724 * flow.c (notice_stack_pointer_modification): Take additional
2725 parameter. Remove duplicate declaration.
2726 (record_volatile_insns): Adjust calls to note_stores.
2727 * gcse.c (record_set_info): Take additional parameter.
2728 (record_last_set_info): Likewise.
2729 (invalidate_nonnull_info): Likewise.
2730 (record_set_insn): Remove.
2731 (compute_sets): Adjust calls to note_stores.
2732 (last_set_insn): Remove.
2733 (compute_hash_table): Adjust calls to note_stores.
2734 (insert_insn_end_bb): Likewise.
2735 (delete_null_pointer_checks): Likewise.
2736 * global.c (mark_reg_store): Take additional parameter.
2737 (mark_reg_clobber): Likewise.
2738 (reg_becomes_live): Likewise.
2739 (global_conflicts): Adjust calls to note_stores.
2740 (build_insn_chain): Likewise.
2741 * integrate.c (note_modified_parmregs): Take additional parameter.
2742 (mark_stores): Likewise. Make it static.
2743 (save_for_inline_nocopy): Adjust calls to note_stores.
2744 (try_constants): Likewise.
2745 * integrate.h (mark_stores): Remove declaration.
2746 * jump.c (mark_modified_reg): Take additional parameter.
2747 (thread_jumps): Adjust calls to note_stores.
2748 * local-alloc.c (validate_equiv_mem_from_store): Take additional
2750 (no_equiv): Likewise.
2751 (reg_is_set): Likewise.
2752 (validate_equiv_mem): Adjust calls to note_stores.
2753 (update_equiv_regs): Likewise.
2754 (block_alloc): Likewise.
2755 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
2756 (note_addr_stored): Take additional parameter.
2757 (note_set_pseudo_multiple_uses): Likewise.
2758 (record_initial): Likewise.
2759 (prescan_loop): Adjust calls to note_stores.
2760 (strength_reduce): Likewise.
2761 (check_dbra_loop): Likewise.
2762 * regmove.c (flags_set_1): Take additional paramter.
2763 (mark_flags_life_zones): Adjust calls to note_stores.
2764 * reload1.c (mark_not_eliminable): Take additional parameter.
2765 (forget_old_reloads_1): Likewise.
2766 (reload_cse_invalidate_rtx): Likewise.
2767 (reload_cse_check_clobber): Likewise.
2768 (reload_combine_note_store): Likewise.
2769 (move2add_note_store): Likewise.
2770 (reload): Adjust calls to note_stores.
2771 (reload_as_needed): Likewise.
2772 (emit_reload_insns): Likewise.
2773 (reload_cse_regs_1): Likewise.
2774 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
2775 (reload_combine): Adjust calls to note_stores.
2776 * resource.c (update_live_status): Take additional paramter.
2777 (mark_target_live_regs): Adjust calls to note_stores.
2778 * stupid.c (find_clobbered_regs): Take additional parameter.
2779 (stupid_life_analysis): Adjust calls to note_stores.
2781 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
2783 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
2786 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
2789 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
2790 of the variable arm_structure_size_boundary.
2792 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
2794 * alias.c (init_alias_analysis): Allocate reg_known_value and
2795 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
2797 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
2798 * cse.c (cse_main): Call end_alias_analysis.
2799 * haifa-sched.c (schedule_insns): Likewise.
2800 * local-alloc. (update_equiv_regs): Likewise.
2801 * reload1.c (reload_cse_regs): Likewise.
2803 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2805 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
2806 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
2807 mapping from MASK_FPU.
2809 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
2811 * sparc.md (call): Don't bound structure return size to 0xfff.
2813 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
2815 * resource.c (mark_target_live_regs): Check that the target
2816 insn wasn't created after compute_bb_for_insn.
2818 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
2820 * ggc-page.c (poison_pages): Don't be overzealous.
2822 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
2824 * alias.c: Update comments for ADDRESS.
2825 (nonlocal_reference_p): Look inside the ADDRESS to determine if
2826 it is a local memory reference.
2828 * c-typeck.c (build_function_call): Check that the built-in
2829 function is of class BUILT_IN_NORMAL before trying to recongize
2831 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
2832 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
2834 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
2836 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
2838 (pre_gcse): Likewise.
2839 (hoist_expr_reaches_here_p): Likewise.
2840 (hoist_code): Likewise.
2841 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
2843 (pre_expr_reaches_here_p_work): ... here.
2844 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
2846 (expr_reaches_here_p_work): ... here.
2848 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
2850 * resource.c (find_basic_block): Delete.
2851 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
2852 (init_resource_info): Call compute_bb_for_insn.
2854 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
2856 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
2857 with already adjacent blocks, but no fallthru.
2858 (merge_blocks_move_successor_nojumps): Simplify.
2859 (debug_flow_info): New.
2861 * toplev.c (rest_of_compilation): Open jump1 dump file before
2862 jump and close after, as opposed to just using dump_rtl.
2864 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2866 * reload.h (earlyclobber_operand_p): Declare.
2867 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
2868 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
2869 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
2870 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
2872 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
2873 Richard Henderson <rth@cygnus.com>
2875 * emit-rtl.c (emit_block_insn_before): New.
2876 (emit_block_insn_after): New.
2877 * basic-block.h: Declare them.
2879 * bitmap.h: Protect from multiple inclusion.
2881 * recog.c (scratch_operand): Handle VOIDmode correctly.
2883 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
2885 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
2886 * function.c (assign_parms): Likewise.
2887 * global.c (global_conflicts): Clarify STACK_REGS commentary.
2889 * reg-stack.c (max_uid): Remove.
2890 (blocks, block_begin, block_end, block_drops_in): Remove.
2891 (block_stack_in, block_out_reg_set, block_number): Remove.
2892 (struct block_info_def, BLOCK_INFO): New.
2893 (enum emit_where): New.
2894 (current_block): New.
2895 (BLOCK_NUM): Remove.
2896 (mark_regs_pat, record_label_references): Remove.
2897 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
2899 (goto_block_pat, print_blocks, dump_stack_info): Remove.
2900 (reg_to_stack): Simplified test for existance of fp code. Use
2901 flow.c code. Call shorten_branches after cross-jump opt.
2902 (check_asm_stack_operands): Renamed from record_asm_reg_life.
2903 Return false if the asm doesn't use stack regs. Don't do life
2904 analysis on the asm.
2905 (emit_pop_insn): Replace function pointer arg `when' with
2906 enum `where'. Update all callers.
2907 (change_stack): Likewise. Update basic block end.
2908 (emit_swap_insn): Use current_block->head to limit reverse search
2909 for start of block. Use emit_block_insn_after.
2910 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
2911 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
2912 structure assignment instead of bcopy.
2914 (convert_regs_entry, convert_regs_exit): New.
2915 (convert_regs_1, convert_regs_2): Split out from convert_regs.
2916 Work on basic blocks and the CFG.
2917 (convert_regs): Use them.
2919 * i386.c (output_fix_trunc): Remove code for DImode input operand
2920 not at top-of-stack.
2921 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
2923 (fix_truncdi_1): Allow any mode scratch.
2925 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
2927 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
2928 * linux.h, netbsd.h, vms.h: Not here.
2930 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
2932 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
2933 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
2934 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
2935 CONDITIONAL_REGISTER_USEAGE): Use them.
2936 * config/mips/mips.c (mips_move_1word,mips_move_2words,
2937 gen_conditional_branch,override_options) : Use them.
2938 * config/mips/mips.md : Use them.
2940 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
2942 * i386.md (zero_extendqihi2): Use SImode register name with andl.
2944 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
2946 * integrate.c (function_cannot_inline_p): Don't allow inlining
2949 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2951 * c-parse.in (cast_expr): Constify.
2953 * cccp.c (special_symbol): Likewise.
2955 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
2957 * dwarf2out.c (base_type_die): Likewise.
2959 * global.c (allocno_compare): Likewise.
2961 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
2963 * regclass.c (fix_register): Likewise.
2965 * rtl.h (fix_register): Likewise.
2967 * stupid.c (stupid_reg_compare): Likewise.
2969 * toplev.c (decode_f_option): Likewise.
2971 * tree.c (build_complex_type): Likewise.
2973 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
2975 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
2977 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2979 * reload.c (find_reloads): Compute mode and nregs fields of all
2981 * reload1.c (calculate_needs_all_insns): Simplify a bit.
2982 (calculate_needs): Use precomputed mode/nregs values.
2983 (allocate_reload_reg): Likewise.
2985 (failed_reload, set_reload_reg): ... new functions.
2986 (choose_reload_regs_init): New function, mostly broken out from...
2987 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
2988 Also lose one #if 0 block.
2990 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
2992 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
2995 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
2997 * tree.h (BLOCK_TYPE_TAGS): Remove.
2998 (BLOCK_END_NOTE): Likewise.
2999 (BLOCK_LIVE_RANGE_FLAG): Likewise.
3000 (BLOCK_LIVE_RANGE_START): Likewise.
3001 (BLOCK_LIVE_RANGE_END): Likewise.
3002 (tree_block): Remove live_range_flag, live_range_var_flag, and
3003 type_tags. Remove end_note, live_range_start, and live_range_end.
3004 (remember_end_note): Remove prototype.
3005 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
3006 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
3008 * ggc-common.c (ggc_mark_tree_children): Don't mark
3009 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
3010 * integrate.c (adjust_copied_decl_tree): Remove.
3011 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
3012 * stmt.c (last_block_end_note): Remove.
3013 (init_stmt): Don't add a GC root for it.
3014 (expand_fixup): Don't set it.
3015 (remember_end_note): Remove.
3016 (expand_end_bindings): Don't set last_block_end_note.
3018 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3020 * reload1.c (reload_reg_free_for_value_p): Show
3021 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
3024 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
3026 * expmed.c (extract_bit_field): Allow for the case of non-integer
3027 objects that are smaller than a word (like SFmode on a 64-bit
3030 * loop.c (basic_induction_var): A non-integer variable which is
3031 being set by a paradoxical subreg is probably not a biv.
3033 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3035 * prefix.c (translate_name) Check for empty prefix string.
3037 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
3039 * Makefile.in (CPP_CROSS_NAME): New variable.
3040 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
3042 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
3043 names of the files to be uninstalled.
3045 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
3047 * collect2.c (IS_DIR_SEPARATOR): Define.
3048 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
3050 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
3053 * haifa-sched.c (add_dependence): Update the true dependency
3054 cache the first time we add a true dependence to the LOG_LINKS chain.
3056 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
3058 * fold-const.c (fold): Fix comment.
3060 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3062 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
3063 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
3064 dbxout_start_new_source_file, dbxout_source_file,
3065 dbxout_source_line, dbxout_finish, dbxout_type_fields,
3066 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
3068 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
3069 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
3070 (dbxout_block): Initialize variable `blocknum'.
3072 * dbxout.h (dbxout_init, dbxout_finish,
3073 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
3074 dbxout_args, dbxout_source_line): Constify a char*.
3076 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
3077 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
3078 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
3079 low_pc_attribute, high_pc_attribute, body_begin_attribute,
3080 body_end_attribute, comp_dir_attribute, sf_names_attribute,
3081 src_info_attribute, mac_info_attribute, producer_attribute,
3082 lookup_filename, generate_macinfo_entry, fundamental_type_code,
3083 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
3084 dwarfout_undef): Constify a char*.
3085 (add_incomplete_type, retry_incomplete_types): Add prototypes.
3087 * dwarfout.h (dwarfout_define, dwarfout_undef,
3088 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
3090 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
3092 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
3093 (MULTILIB_ISA_DEFAULT): New.
3094 (MULTILIB_DEFAULTS): Use it.
3095 * config/mips/mips.c (): Remove the now unnecessary definition
3096 of MIPS_ISA_DEFAULT.
3097 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
3098 unnecessary definition.
3100 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
3102 * arm.md (pic_load_addr): Add constraints to operand 1.
3104 1999-10-25 Bruce Korb <autogen@linuxbox.com>
3106 * fixinc/genfixes: Provide a means for specifying -D options to
3109 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
3111 * arm.c (arm_override_options): Correct initialization of
3112 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
3113 arm_is_strong, and arm_is_6_or_7.
3115 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
3116 (note_set_pseudo_multiple_uses): New function.
3117 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
3118 if a pseudo set in the loop exit is used elsewhere.
3120 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
3122 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
3124 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
3126 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
3127 a single load-address pattern.
3129 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
3131 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
3132 depending on whether or not line-number notes are present.
3134 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3136 * cccp.c (progname, file_buf, default_include, include_file,
3137 macrodef, definition, hashval, wchar_type, user_label_prefix,
3138 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
3139 expand_to_temp_buffer, is_system_include, base_name,
3140 absolute_filename, read_name_map, open_include_file,
3141 record_control_macro, check_precompiled, check_preconditions,
3142 pcfinclude, pass_thru_directive, create_definition,
3143 check_macro_name, comp_def_part, collect_expansion,
3144 check_assertion, read_token_list, assertion_install,
3145 assertion_lookup, eval_if_expression, conditional_skip,
3146 validate_else, skip_quoted_string, quote_string, macarg1,
3147 error_from_errno, install, lookup, hashf, dump_defn_1,
3148 perror_with_name, pfatal_with_name, main, trigraph_pcp,
3149 check_white_space, rescan, handle_directive, monthnames,
3150 special_symbol, do_include, remap_include_file, write_output,
3151 arglist, do_assert, do_unassert, do_line, do_error, do_once,
3152 do_ident, do_sccs, do_xifdef, skip_if_group,
3153 output_line_directive, macroexpand, macarg, change_newlines,
3154 initialize_builtins, make_definition): Constify a char*.
3156 * pcp.h (stringdef): Likewise.
3158 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
3160 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
3163 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
3164 Richard Henderson <rth@cygnus.com>
3166 * alias.c: Include ggc.h.
3167 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
3168 (record_set): Verify enough room in reg_base_value.
3169 (init_alias_analysis): Allocate reg_base_value with xcalloc.
3170 Register it as a GC root.
3171 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
3172 * Makefile.in (alias.o): Depend on ggc.h.
3174 * unroll.c (unroll_loop): Verify the insn before a barrier
3175 is a JUMP_INSN before checking JUMP_LABEL.
3177 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3179 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
3180 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
3181 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
3182 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
3183 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
3184 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
3186 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3188 * output.h (ctors_section, dtors_section, bss_section): Prototype.
3190 * alpha/alpha-interix.h (text_section): Delete prototype.
3191 * alpha/elf.h (text_section): Likewise.
3192 * arm/linux-elf.h (text_section): Likewise.
3193 * arm/linux-telf.h (text_section): Likewise.
3194 * c4x/c4x.h (text_section): Likewise.
3195 * dsp16xx/dsp16xx.h (bss_section): Likewise.
3196 * elfos.h (text_section): Likewise.
3197 * i386/aix386ng.h (text_section): Likewise.
3198 * i386/i386-interix.h (text_section): Likewise.
3199 * i386/sco5.h (text_section): Likewise.
3200 * i386/svr3gas.h (text_section): Likewise.
3201 * nextstep.h (text_section): Likewise.
3202 * psos.h (text_section): Likewise.
3203 * ptx4.h (text_section): Likewise.
3204 * svr3.h (text_section): Likewise.
3205 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
3207 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3209 * final.c (peephole): Delete prototype.
3211 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
3212 (pre_insert_copies): Remove unused variable `bb'.
3214 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
3217 * output.h (peephole): Add prototype.
3219 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
3221 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
3224 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
3226 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
3227 for inlined declarations.
3229 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
3231 * arm.c (logical_binary_operator): New fucntion.
3232 * arm.h (logical_binary_operator): Declare it.
3233 (PREDICATE_CODES): Handle logical_binary_operator.
3234 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
3235 output constraints. Add appropriate splitters.
3236 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
3237 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
3238 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
3240 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3242 * genoutput.c (struct operand_data): New elt eliminable.
3243 (output_operand_data): Write it.
3244 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
3245 (compare_operands): Take it into account.
3246 * recog.h (struct insn_operand_data): New elt eliminable.
3247 * reload1.c (check_eliminable_occurrences, elimination_effects): New
3249 (old_asm_operands_vec, new_asm_operands_vec): Delete.
3250 (eliminate_regs): Move code that detects changes to elimination
3251 target regs into new function elimination_effects.
3252 Delete one #if 0 block.
3253 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
3254 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
3255 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
3256 Only call eliminate_regs for real operands of the insn, not for parts
3257 of its structure or parts matched by things like match_operator.
3258 Use elimination_effects and check_eliminable_occurrences. Use
3259 copy_insn to duplicate the pattern when not in the final pass.
3261 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
3263 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
3266 1999-10-22 Bruce Korb <autogen@linuxbox.com>
3268 * fixinc/README: document the "mach" machine matching test
3269 * fixinc/fixfixes.c: Implement the #else/#endif label fix
3270 * fixinc/fixtests.c: Implement the #else/#endif label test
3271 * fixinc/inclhack.def: utilize these tests and fixes
3272 * fixinc/inclhack.sh: regen
3273 * fixinc/fixincl.x: regen
3274 * fixinc/fixincl.sh: regen
3276 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
3278 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
3281 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
3283 * gcc.1: Document exit codes.
3285 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3287 * calls.c: Include tm_p.h later, so everything we need is defined.
3289 * function.c: Likewise.
3291 * except.c: Include tm_p.h.
3293 * sparc.c: Likewise.
3294 (dwarf2out_cfi_label): Don't prototype.
3295 (check_return_regs, epilogue_renumber,
3296 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
3297 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
3298 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
3299 ultra_schedule_insn): Add static prototype.
3300 (data_segment_operand, text_segment_operand): Call itself with the
3301 proper number of arguments.
3302 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
3304 * sparc.h: Move all declarations to sparc-protos.h.
3305 (SELECT_RTX_SECTION): Pass a missing MODE argument to
3308 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
3310 * config/svr4.h (text_section, ctors_section, dtors_section): Add
3312 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
3313 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
3314 ASM_OUTPUT_ASCII): Constify a char*.
3316 * sparc-protos.h: New file for sparc prototypes.
3318 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3320 * function.c (record_insns, contains): Always declare and define.
3321 (record_insns): Mark with ATTRIBUTE_UNUSED.
3323 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
3325 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
3326 to .section when outputting a .bss section to deal with multiple
3327 .bss input sections (as happens with -fdata-sections)
3328 Also output %progbits, not @progbits so the assembler doesn't treat as
3330 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
3332 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
3333 thumb parts even when building with non-thumb CPUs, by forcing
3336 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
3338 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
3339 (movdf_const_intreg_sp64): Similarly.
3341 * local-alloc.c (update_equiv_regs): Check the correct insn
3342 for pre-existing REG_EQUIV notes.
3344 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
3346 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
3347 block reached by a branch if we're not going to actually process
3350 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
3352 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
3353 a local extern function declaration.
3355 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
3357 * i386.c (ix86_expand_prologue): Properly wrap USE around
3358 reg for CALL_INSN_FUNCTION_USAGE.
3360 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
3362 * config/mips/mips.md (movdf_internal1a): Allow floating-point
3363 move between GP_REGs.
3365 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
3367 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
3368 the mode size when finding out if an offset is legal.
3370 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
3372 * basic-block.h (PROP_*): Move constants from ...
3374 (compute_bb_for_insn): Free the array before reallocating.
3375 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
3376 (allocate_reg_life_data): Reset all reg variables collected by
3378 (get_block_head_tail): Don't convert from bb to block.
3379 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
3380 (find_insn_reg_weight): Take block not bb.
3381 (schedule_block): Don't set block num for moved insns.
3382 (schedule_region): Don't update_life_info or find_insn_reg_weight.
3383 (schedule_insns): Do it here instead.
3384 * combine.c (combine_instructions): Invoke compute_bb_for_insn
3385 before update_life_info.
3386 * recog.c (split_all_insns, peephole2_optimize): Update for
3387 new arg to update_life_info.
3388 * rtlanal.c (remove_note): Cope with NULL note.
3389 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
3392 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
3394 * jump.c (jump_optimize_1): More accurately detect casesi insns.
3396 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
3397 block records so that merge_blocks_nomove will clean up correctly.
3398 (split_edge): Handle casesi insns.
3400 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
3402 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
3404 * pa.md (call, call_value): Do not emit a blockage after restoring
3407 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
3409 * c-typeck.c (c_expand_asm_operands): Fix typo.
3411 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3413 * arm.c (fpu_rhs_operand): Verify modes.
3414 (fpu_add_operand): Likewise.
3415 (di_operand): Likewise.
3416 (soft_df_operand): Likewise.
3418 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
3420 * arm.c (arm_return_in_memory): APCS rules state that the elements
3421 of a structure returned in a register must be 'integer-like'.
3423 1999-10-19 Bruce Korb <autogen@linuxbox.com>
3425 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
3426 in the source tree when the generated targets are out of date
3427 * fixinc/genfixes: Alter it to run individual fixes for make.
3428 * fixinc/README: rewrite
3429 * fixinc/inclhack.def: moved initial comments to README
3431 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
3433 * toplev.c (main): Do not generate an error message if an
3434 unrecognised command line switch is recognisable by another
3435 language. If extra_warnings are enabled, then generate a
3436 warning message instead.
3438 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
3440 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
3441 (insert_pack_attributes): Delete prototype.
3443 * c-pragma.c (default_alignment): New static variable.
3444 (push_alignment): Initialize to current effective alignment.
3445 (pop_alignment): Use to set new alignment.
3446 (insert_pack_attributes): Delete function.
3447 (handle_pragma_token): Set default_alignment as well each time
3448 a #pragma pack(<n>) is encountered.
3450 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
3452 * reg-stack.c (stack_result): Aggregates are not returned in
3455 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3457 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
3459 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
3461 * basic-block.h (set_block_num): Declare.
3462 * flow.c (update_life_info): Don't call compute_bb_for_insn
3463 or free_basic_block_vars.
3464 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
3465 (insn_orig_block): Remove.
3466 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
3467 (schedule_block): Keep BLOCK_NUM up-to-date.
3468 (schedule_insns): Use compute_bb_for_insn.
3469 * recog.c (split_all_insns): Likewise.
3470 (peephole2_optimize): Likewise.
3472 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
3474 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
3475 if the pic register is used.
3477 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3479 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
3480 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
3481 if that tests TREE_PERMANENT.
3483 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
3485 * cse.c (invalidate_for_call): Do not remove memory references from
3486 the table here. It's handled elsewhere.
3488 * haifa-sched.c (add_dependence): Protect references to the
3489 true dependency cache with #ifdef INSN_SCHEDULING.
3490 (remove_dependence): Similarly.
3492 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
3493 to the cfg code that this is a return instruction.
3494 * mn10300.md (return_internal): Similarly.
3496 * combine.c (get_last_value): If the last set of a register
3497 is after subst_low_cuid, then we can not use it to determine
3498 the register's last value.
3500 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
3502 * Makefile.in: Back out previous change.
3504 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
3506 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
3508 * haifa-sched.c (add_dependence): Only check/update the cache
3510 (remove_dependence): Likewise.
3511 (schedule_insns): Only create the true_dependency_cache if the
3512 average number of instructions in a basic block is very large.
3514 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
3516 * Makefile.in (ggc-common.o): Depend on genrtl.h.
3517 (ggc-simple.o): Likewise.
3518 (ggc-page.o): Likewise.
3520 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
3522 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
3523 Prototype for exported functions.
3524 (pre_lcm, pre_rev_lcm): Remove prototypes.
3525 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
3526 (compute_available): Move to lcm.c, and change parameter order.
3527 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
3528 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
3529 (gcse_main): No longer call compute_preds_succs. Rebuild the
3530 set table after reach pre pass.
3531 (pre_insert_map, pre_delete_map, edge_list): New.
3532 (alloc_pre_mem): Allocate edge vectors.
3533 (free_pre_mem): Delete edge vectors.
3534 (compute_pre_data): Call new edge based lcm routines.
3535 (process_insert_insn): New function.
3536 (insert_insn_end_bb): Use it.
3537 (pre_edge_insert): New function.
3538 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
3540 (pre_insert_copies): Revamp using new edge based lcm outputs.
3541 (pre_delete): Likewise.
3542 (one_pre_gcse_pass): Insert & remove fake edges to the exit
3544 (compute_code_hoist_vbeinout): New new edge based routines.
3545 * lcm.c: Remove all the old LCM functions. Replace with new ones
3546 that work with the new cfg datastructures and work with edges
3549 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3551 * reload.h (struct reload): Add new fields "mode" and "nregs".
3552 * reload1.c: Change all occurrences of reload_mode and reload_nregs
3553 to reference the "mode" and "nregs" field within struct reload.
3555 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
3557 * haifa-sched.c (true_dependency_cache): New.
3558 (add_dependence): Use the true dependency cache to avoid expensive
3559 walks down the LOG_LINKS dependency list. Add entries to the
3561 (remove_dependence): Remove entries from the true dependency cache
3563 (schedule_insns): Allocate and initialize and free the true
3566 * haifa-sched.c (schedule_insns): Do not remove inter-block
3567 dependencies anymore.
3569 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
3571 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
3572 * i386/t-winnt: Likewise.
3574 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
3576 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
3578 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
3580 * Makefile.in (LANGUAGES): Omit "proto".
3581 (clean): Remove stale comment about removing unprotoize.c.
3583 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3585 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
3586 using arithmetic on void pointers.
3588 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
3590 * haifa-sched.c (compute_block_forward_dependencies): Only check
3591 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
3593 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
3595 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
3596 (expr_equiv_p): Reject memories with different alias sets.
3598 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
3600 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
3601 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
3602 (f_options): Add "bounded-pointers" and "bounds-check" entries.
3603 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
3604 (lang_init): Set default for flag_bounds_check if still "unspecified".
3606 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3608 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
3610 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3612 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
3615 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3617 * config/c4x/c4x.md (*db_noclobber,
3618 *decrement_and_branch_until_zero_noclobber): New patterns and
3619 associated splitters.
3621 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3623 * config/c4x/c4x.md (parallel instruction patterns): Rework
3624 constraints to keep reload happy.
3626 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3628 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
3629 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
3630 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
3631 Add new patterns and associated post-reload splitters.
3633 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3635 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
3637 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3639 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
3641 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
3643 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3645 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
3648 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
3650 * pa.c (move_operand): Rely on memory_address_p to determine the
3651 validity of non-indexed memory addresses.
3652 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
3653 operand in DFmode and SFmode when generating PA2.0 code.
3655 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
3657 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
3659 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
3661 * mips.c (function_prologue): Fix argument types.
3662 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
3663 (casesi_internal): Write to the scratch register.
3665 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
3667 * cppexp.c (cpp_parse_escape): Make static. Change second arg
3669 (parse_charconst): Delete unnecessary cast when calling
3671 (cpplib.h): Kill prototype of cpp_parse_escape.
3673 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
3675 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
3676 * unroll.c (unroll_loop): Cast return value of alloca.
3677 * i370/i370.c: Include function.h and toplev.h.
3678 (i370_label_scan): Remove c++ commented abort.
3679 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
3680 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
3681 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
3682 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
3684 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
3686 * config/t-freebsd: Do not override USER_H.
3687 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
3689 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
3690 Mumit Khan <khan@xraylith.wisc.edu>
3692 * c-parse.in (component_decl): Support anonymous struct/union.
3694 * c-parse.y: Regenerate.
3695 * c-parse.c: Likewise.
3696 * objc/objc-parse.y: Likewise.
3697 * objc/objc-parse.c: Likewise.
3698 * c-decl.c (finish_struct): Don't sort the fields.
3699 (field_decl_cmp): Delete unused function.
3701 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
3703 * sparc.md (movsf_const_intreg): Revert last constraint change.
3704 (movdf_const_intreg_sp32): Likewise.
3706 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
3708 * cse.c: Include hashtab.h instead of splay-tree.h
3709 (struct cse_reg_info): No longer use variant union. Add new
3710 field "regno". All references changed to avoid union.
3711 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
3712 (free_cse_reg_info): Remove.
3713 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
3714 (get_cse_reg_info): Revamp to use expandable hash tables instead
3715 of splay trees. Initialize new fields in cse_reg_info structure.
3716 (new_basic_block): Similarly.
3718 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
3720 * genrecog.c (message_with_line): Prototype.
3721 (validate_pattern): Pass along the set for the dest, not a flag.
3722 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
3723 Check for PC/CC0 as sources.
3724 (nodes_identical): Check for children position match before
3725 allowing the combination.
3727 * rtl.c (read_rtx): Track line number across \\\n.
3729 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
3731 * mips.h (SPECIAL_MODE_PREDICATES): New.
3732 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
3733 (movdi+1, movsi+1): Add output reload constraint.
3734 (casesi_internal): Likewise. Fix commentary.
3735 (return_internal): Use pmode_register_operand.
3737 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
3739 * 1750a.md (movstrqi): Add missing output reload constraint.
3740 (call_value): Likewise.
3741 * a29k.md (cpxxx patterns): Add missing match_operator mode.
3742 (jmpfdec): Add missing inout reload constraint.
3743 * elxsi.md (addsi patterns): Add missing output reload constraint.
3744 (move from sp): Use @ alternates.
3745 (call_value): No constraint on output.
3746 * fr30.md (movsi_pop): Add missing output reload constraint.
3747 (movsf_constant_store): Likewise.
3748 (splits): Remove constraints.
3749 (subsi3): Add missing mode.
3750 * i370.md (cmpstrsi+1): Add missing output reload constraint.
3751 (call_value): Likewise.
3752 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
3753 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
3754 * m32r.md (movsicc_internal): Add output reload constraint.
3755 (movstrsi_internal): Add inout reload constraints.
3756 * m88k.h (reg_names): Don't declare.
3757 (SPECIAL_MODE_PREDICATES): New.
3758 * m88k.md (*): Use register_operand not reg_or_0_operand
3760 * mn10200.h (PREDICATE_CODES): New.
3761 * ns32k.md (ffs pattern): Add output reload constraint.
3762 * pdp11.md (sob pattern): Add inout reload constraint.
3763 * sh.md (splits): Remove constraints.
3764 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
3765 * v850.md (pattern_is_ok_for_epilogue): Likewise.
3766 * vax.md (jgequ pattern): Add inout reload constraint.
3768 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
3770 * configure.in (djgpp): Revert previous patch.
3771 * configure: Rebuit.
3772 * config/i386/djgpp.h: Revert previous patch.
3774 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
3776 * fixinc/inclhack.def: Restore patch lost during last merge of
3777 "no_bogosity" branch.
3778 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
3780 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
3782 * fixincludes: Add a HPUX 11 fix for inttypes.h.
3783 * fixinc/inclhack.def: Same.
3784 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
3786 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
3788 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
3789 as the base of a PLUS.
3791 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3793 * config/c4x/c4x.md: Define mode for remaining unspec operators.
3794 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
3796 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
3798 * pa.md (post_stw+1): Use pmode_register_operand.
3799 (dcacheflush, icacheflush): Likewise.
3801 * i386.md (movstricthi_1): Allow r/r.
3803 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
3805 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
3806 to (not (and (arg0) (arg1))). Similary for and.
3808 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
3809 falltrought to assocate code.
3810 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
3813 * combine.c (simplify_logical): Convert XOR to IOR if operands have
3814 no bits in common; remove XOR to ROTATE conversion.
3816 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3818 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
3820 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3822 * config/c4x/c4x.c (dst_operand): New.
3823 (PREDICATE_CODES): Update.
3824 * config/c4x/c4x.h (dst_operand): Declare it.
3825 * config/c4x/c4x.md: Define mode for each unspec usage.
3826 (move patterns): Use dst_operand predicate instead of src_operand.
3827 (movqi_update, movqf_update): Delete.
3829 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
3831 * recog.c (pmode_register_operand): New.
3832 * recog.h: Declare it.
3833 * genrecog.c (pred_codes): Likewise.
3834 (special_mode_pred_table): Likewise.
3835 (validate_pattern): Don't warn no mode for address_operand.
3837 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
3838 if the operand is not insn-like.
3840 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
3841 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
3843 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
3845 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
3847 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
3848 instead of general_operand in a SET_DEST. Use const_double_operand
3849 instead of an explicit test against CONST_DOUBLE.
3850 (movsf_const_lo): Add missing register mode.
3851 (goto_handler_and_restore): Add auxiliary test for Pmode.
3852 (flush): Adjust to use address_operand.
3853 (return_sf_no_fpu): Add missing output constraint.
3855 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
3857 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
3858 for call return value.
3859 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
3861 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
3863 * toplev.c (main): Only warn about options for other languages.
3864 * collect2.c (main): Pass -w to sub-gcc.
3866 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
3868 * flow.c (propagate_block): Add call-clobbered registers to
3871 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
3872 zapping mem_set_list.
3873 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
3874 (mark_set_1, mark_used_regs): Likewise.
3876 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
3878 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
3880 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3882 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
3883 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
3884 options. Also add a new item "C-only Warning Options" to the
3887 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
3889 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
3890 from multiple calls.
3892 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
3894 * i386.md (call value patterns): Move to the end of the file.
3895 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
3897 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
3899 * configure.in (djgpp configuration): Define extra_objects..
3900 * configure: Rebuilt.
3901 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
3902 (DTORS_SECTION_ASM_OP): Define.
3903 (INIT_SECTION_ASM_OP): Define.
3904 (FINI_SECTION_ASM_OP): Define.
3905 (DATA_SECTION_ASM_OP): Define.
3906 (TEXT_SECTION_ASM_OP): Define.
3907 (EH_FRAME_SECTION_ASM_OP): Define.
3908 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
3909 (STARTFILE_SPEC): Add crtbegin.o.
3910 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
3911 to here from LINK_COMMAND_SPEC.
3912 (DO_GLOBAL_CTORS_BODY): Define.
3913 (CRTSTUFF_USE_FINI_SECTION): Define
3914 (HAS_INIT_SECTION): Delete.
3916 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
3918 * Makefile.in (all.cross): Depend on xcpp$(exeext).
3920 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
3922 * pa.h (PREDICATE_CODES): New.
3924 * genrecog.c (validate_pattern): Condense the destination
3927 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
3929 * alpha.md (call-1): Supply missing mode for operator.
3930 (*): Add missing output reload constraints. Remove constraints
3933 * i386.h (SPECIAL_MODE_PREDICATES): New.
3934 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
3935 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
3936 (addsi_lea_3): Add missing mode for op 3.
3937 (prologue_set_got, prologue_get_pc): Add missing modes.
3938 (*) Add missing output reload constraints.
3940 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
3942 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
3943 check for member bit-size overflow and use var_size if it occurs.
3944 (layout_record): Use bitsize_int() to define the type size in bits.
3945 Likewise for computation and assignment to DECL_FIELD_BITPOS.
3946 (layout_decl): Likewise when assigning to DECL_SIZE.
3948 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
3950 * genrecog.c (validate_pattern): Typo last change. Verify
3951 that output operands have output reloads.
3953 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
3955 * genrecog.c (special_mode_pred_table): New.
3956 (NUM_SPECIAL_MODE_PREDS): New.
3957 (find_operand): New.
3958 (validate_pattern): New argument `insn'. Warn for assignment to
3959 any predicate accepting non-lvalues. Conditionaly warn for
3960 match_operand without a mode. Try much harder to match source
3961 and destination modes on a set.
3962 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
3964 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
3966 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
3968 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
3970 * combine.c (simplify_logical): Recognize xor pattern that encodes
3973 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3975 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
3978 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
3980 * ggc-page.c (MAP_FAILED): Provide default.
3982 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
3984 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
3985 * sparc.h (PREDICATE_CODES): Update.
3987 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
3989 * alpha.c (some_ni_operand): New.
3990 * alpha-protos.h: Declare it.
3991 * alpha.h (PREDICATE_CODES): Update.
3992 * alpha.md (sXaddq reload insns): Use some_ni_operand
3993 for SET_DEST instead of some_operand.
3995 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
3996 Jim Wilson <wilson@cygnus.com>
3998 * genrecog.c (maybe_both_true_2): Don't compare modes of
4000 (process_tree): Elide peephole2_insns. Invoke simplify_tests
4001 after find_afterward.
4002 (debug_decision_1): Dump next and afterward codes.
4004 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
4006 * rtl.c (dump_and_abort): Remove.
4007 (fatal_with_file_and_line): New.
4008 (fatal_expected_char): New.
4009 (read_rtx_lineno, read_rtx_filename): New.
4010 (read_skip_spaces): Track line number.
4011 (read_name): Use fatal_with_file_and_line.
4012 (read_rtx): Use fatal_expected_char. Track line number.
4013 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
4015 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
4016 if it isn't a CODE_LABEL.
4018 * genattr.c (main): Set read_rtx_filename.
4019 * genattrtab.c (main): Likewise.
4020 * gencodes.c (main): Likewise.
4021 * genconfig.c (main): Likewise.
4022 * genemit.c (main): Likewise.
4023 * genextract.c (main): Likewise.
4024 * genflags.c (main): Likewise.
4025 * genopinit.c (main): Likewise.
4026 * genoutput.c (main): Likewise.
4027 * genpeep.c (main): Likewise.
4029 * genrecog.c (decision_test.u.insn): Add `lineno'.
4030 (pattern_lineno, error_count): New variables.
4031 (message_with_line): New.
4032 (add_to_sequence): Break out checking code to ...
4033 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
4034 (merge_insn): Use message_with_line.
4035 (make_insn_sequence): Use validate_pattern. Record insn lineno.
4036 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
4038 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4040 * expr.c (store_constructor): Clear union if constructor is empty.
4042 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
4044 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
4045 Add !endian checks. Change %{...} to %(...).
4047 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
4049 * i386.md (*addsi3_cc): Renamed from addcsi3.
4050 (*addsi3_carry): Renamed from addxsi3.
4051 (*subsi3_cc): Renamed from subcsi3.
4052 (*subsi3_carry): Renamed from subxsi3.
4053 (*xorqi_cc_1): Renamed from xorcqi_1.
4054 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
4055 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
4057 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
4059 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
4060 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
4062 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
4064 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
4065 climb up the chain of insns.
4067 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
4069 * genrecog.c (write_subroutine): Careful for null trees.
4070 (process_tree): Don't elide empty functions.
4072 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
4074 * Makefile.in (genrtl.o): Depend on ggc.h.
4075 * configure.in (valloc): Probe for it.
4076 (with-gc): Use ggc-page if valloc present.
4077 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
4078 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
4079 (ggc_alloc_string): Moved from ggc-page.c.
4080 * ggc-none.c (ggc_alloc_obj): New.
4081 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
4082 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
4083 (struct globals): Likewise for dev_zero_fd.
4084 (init_ggc): Likewise for it's initialization.
4085 (ggc_allocated_p): Move careful dereference from ...
4086 (ggc_lookup_page_table): ... here. Delete.
4087 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
4088 (alloc_anon): Use valloc if no mmap.
4089 (release_pages): Use free if using valloc.
4090 (ggc_alloc_obj): Renamed from alloc_obj.
4091 (ggc_set_mark): Renamed from mark_obj.
4092 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
4093 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
4094 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
4095 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
4096 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
4097 (ggc_collect): Use fp printing instead of our own rounding.
4098 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
4099 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
4100 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
4101 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
4102 (struct ggc_string, struct ggc_any): Delete.
4103 (offsetof): Provide default definition.
4104 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
4106 (struct ggc_mem): New, from corpse of ggc_any.
4107 (struct ggc_status): Delete.
4108 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
4109 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
4110 (n_strings_collected, n_anys_collected): Delete.
4111 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
4112 (ggc_alloc_string, ggc_alloc): Delete.
4113 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
4114 (ggc_free_string, ggc_free_any): Delete.
4115 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
4116 (ggc_compare_addresses, ggc_mark_string): Delete.
4117 (ggc_mark_string_if_gcable, ggc_mark): Delete.
4118 (search_data): Delete.
4119 (struct globals): New.
4120 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
4121 (tree_insert, tree_lookup): New.
4122 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
4123 (clear_marks, sweep_objs): New.
4124 (ggc_collect): Gut. Use clear_marks, sweep_objs.
4125 (init_ggc): Set allocated_last_gc.
4126 (ggc_push_context): Gut. Use G.context.
4127 (ggc_pop_context): Likewise.
4128 (ggc_pop_context_1): New.
4129 (debug_ggc_tree): New.
4130 (debug_ggc_balance, tally_leaves): New.
4131 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
4132 (ggc_mark_string_if_gcable): Remove decl.
4133 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
4134 (ggc_mark_rtvec_children): New.
4135 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
4136 (ggc_mark_if_gcable): New decl.
4137 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
4138 (ggc_alloc_tree, ggc_alloc): Likewise.
4139 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
4140 (ggc_alloc_obj): New decl.
4141 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
4142 (ggc_alloc_tree, ggc_alloc): Likewise.
4143 (ggc_set_mark): New decl.
4144 * rtl.h (struct rtx_def): Remove gc_mark.
4145 (struct rtvec_def): Likewise.
4146 * tree.h (struct tree_common): Likewise.
4148 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
4150 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
4151 float_format and thread_file definitions.
4152 * configure: Rebuilt.
4154 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
4156 * extend.texi (Function Names): Document types of function names.
4158 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4160 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
4161 an earlyclobbered output conflict with RELOAD_INPUT reloads.
4163 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4165 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
4167 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4169 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
4171 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
4173 * collect2.c (main): Do prelimnary link on AIX if rflag.
4175 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4177 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
4178 __CTOR_LIST__ in opposite order, which is the correct order for sorted
4180 (__do_global_dtors): similarly for __DTOR_LIST__.
4182 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4183 Diego Novillo <dnovillo@cygnus.com>
4185 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
4188 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
4190 * fixincl/*: Merged "no_bogosity" branch
4191 * fixincl/fixlib.h: protect against doubly defining t_bool
4192 * fixincl/server.h: protect against doubly defining t_bool
4194 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
4196 * genoutput.c: Include toplev.h.
4198 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
4200 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4202 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
4203 * configure: Regenerate.
4205 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
4207 * gcse.c (delete_null_pointer_checks): Returns void.
4209 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4211 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
4212 * emit-rtl.c (copy_insn_1): Likewise.
4214 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
4216 * config/mips/mips.c (mips_build_va_list): Correct
4217 TREE_CHAIN setting when hard-float.
4218 (mips_va_start): Use corrected setting.
4219 (mips_va_arg): Likewise. Also pass a tree to build of
4220 POSTINCREMENT_EXPR rather than a naked 'int'.
4222 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
4224 * ggc.h (ggc_push_context): Fix comment.
4225 (ggc_pop_context): Likewise.
4226 (mark_string_if_gcable): Likewise.
4227 * ggc-common.c (ggc_mark_rtx_children): Use
4228 ggc_mark_string_if_gcable.
4229 * ggc-page.c (ggc_lookup_page_table): New function.
4230 (ggc_allocated_p): Likewise.
4231 (mark_obj): Fix formatting.
4232 (ggc_mark_string_if_gcable): New function.
4233 * ggc-simple.c (ggc_allocated_strings): New variable.
4234 (ggc_strings_used): Likewise.
4235 (ggc_compare_addresses): New function.
4236 (ggc_pop_context): Pop the `any' memory too.
4237 (ggc_mark_string_if_gcable): New function.
4238 (ggc_collect): Initialize and tear down ggc_allocated_strings.
4240 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
4242 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
4243 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
4244 * rs6000.c (expand_block_move): Match movstrsi_?reg register
4247 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
4249 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
4250 (sched_reg_live_length, sched_reg_basic_block): Delete.
4251 (current_block_num, bb_live_regs, old_live_regs): Delete.
4252 (dead_notes, struct sometimes): Delete.
4253 (sched_note_set, birthing_insn_p): Delete.
4254 (adjust_priority): Gut useless reg lifetime code.
4255 (create_reg_dead_note, attach_deaths): Delete.
4256 (attach_deaths_insn, new_sometimes_live): Delete.
4257 (finish_sometimes_live): Delete.
4258 (find_pre_sched_live, find_post_sched_live): Delete.
4259 (update_reg_usage): Delete.
4260 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
4261 (schedule_insns): Delete reg lifetime code.
4262 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
4263 (unlink_other_notes): Adjust REG_NOTE commentary.
4264 (reemit_notes): Use REG_SAVE_NOTE.
4265 (schedule_block): Likewise.
4266 (schedule_region): Allocate bitmap of blocks in region. Use
4267 count_or_remove_death_notes. Use update_life_info.
4269 * rtl.h (REG_SAVE_NOTE): New.
4270 * rtl.c (reg_note_name): Update.
4272 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
4274 * combine.c (refresh_blocks, need_refresh): New.
4275 (combine_instructions): Allocate refresh_blocks. Invoke
4276 update_life_info if needed.
4277 (distribute_notes): Mark refresh_blocks instead of installing
4279 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
4280 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
4282 * Makefile.in (recog.o): Depend on basic-block.h.
4284 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
4286 * genrecog.c (add_to_sequence): Thinko last change: delete
4287 shadowing allow_const_int variable.
4289 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4291 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
4292 __GNUC__ and __GNUC_MINOR__.
4294 * gansidecl.h: Likewise.
4300 * toplev.h: Likewise.
4306 * varray.c: Likewise.
4308 * varray.h: Likewise.
4310 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4312 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
4313 use one before a jump table.
4315 * rtl.def (ADDRESS): Change documentation to match reality.
4316 * md.texi: Don't document it.
4317 * gmicro.md (load address pattern): Use 'p' constraint, delete use
4320 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
4322 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
4324 * genrecog.c (add_to_sequence): Move allow_const_int test outside
4325 known predicate block; default allow_const_int true.
4326 (debug_decision_list): New.
4328 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
4330 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
4332 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
4334 * gcse.c (gcse_main): Avoid global optimizations if we have a
4335 large number of basic blocks and the ratio of edges to blocks
4337 (delete_null_pointer_checks): Likewise.
4339 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
4341 * c-common.c (check_format_info): Warn if format string isn't a
4344 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4346 * configure.in (arm*-*-*): Don't let autoconf remove brackets
4347 * configure: regenerate
4349 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
4351 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
4352 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
4353 (peepholes): Re-enable.
4355 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
4357 * Makefile.in (flow.o): Depend on TREE_H.
4358 * basic-block.h (REG_SET_EQUAL_P): New.
4361 (free_regset_vector): Remove declaration.
4362 (flow_delete_insn_chain): Declare.
4363 (enum update_life_extent): New.
4364 (update_life_info, count_or_remove_death_notes): Declare.
4365 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
4366 Verify register live at bb->global_live_at_start before adding USE.
4367 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
4368 (CLEAN_ALLOCA): New.
4370 (PROP_*): New flags.
4371 (find_basic_blocks_1): Use alloc_EXPR_LIST.
4372 (clear_edges): Zero n_edges.
4373 (make_edge): Increment n_edges.
4374 (split_edge): Don't allocate bb->local_set. Increment n_edges.
4375 (flow_delete_insn_chain): Export.
4376 (delete_block): Decrement n_edges.
4377 (merge_blocks_nomove): Likewise.
4378 (life_analysis): Give life_analysis_1 PROP flags.
4379 (verify_wide_reg_1, verify_wide_reg): New.
4380 (verify_local_live_at_start): New.
4381 (update_life_info): Rewrite to call into propogate_block.
4383 (mark_regs_live_at_end): After reload, if epilogue as rtl,
4384 always mark stack pointer. Conditionally mark PIC register.
4385 After reload, mark call-saved registers, return regsiters.
4386 (life_analysis_1): Accept PROP flags not remove_dead_code.
4387 Call mark_regs_live_at_end before zeroing regs_ever_live.
4388 Use calculate_global_regs_live. Copy global_live_at_end before
4389 calling final propagate_block. Zero reg_next_use on exit.
4390 (calculate_global_regs_live): New.
4391 (allocate_bb_life_data): Don't allocate bb->local_set.
4392 (init_regset_vector, free_regset_vector): Remove.
4393 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
4394 Test flags before every operation. Warn if prologue/epilogue insn
4395 would have been deleted.
4396 (mark_set_regs, mark_set_1): Accept and use FLAGS.
4397 Use alloc_EXPR_LIST.
4398 (mark_used_regs): Accept and use FLAGS, not FINAL.
4399 Remove special handling for RETURN.
4400 (try_pre_increment): Use alloc_EXPR_LIST.
4401 (dump_flow_info): Dump n_edges.
4402 (unlink_insn_chain, split_hard_reg_notes): Remove.
4403 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
4404 (find_insn_with_note, new_insn_dead_notes): Remove.
4405 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
4406 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
4407 (replace_insns): Remove.
4408 (count_or_remove_death_notes): New.
4409 (verify_flow_info): Abort on error after all checks.
4410 (remove_edge): Decrement n_edges.
4411 (remove_fake_edges): Tweek format.
4412 * haifa-sched.c (schedule_insns): Use split_all_insns.
4413 * output.h (update_life_info): Remove declaration.
4414 * recog.c (split_all_insns): From the corpse of split_block_insns,
4415 do the whole function block by block. Use update_life_info.
4416 (recog_last_allowed_insn): New.
4417 (recog_next_insn): Mind it.
4418 (peephole2_optimize): Set it. Walk backwards through blocks.
4419 Use update_life_info.
4420 * rtl.h (update_flow_info, replace_insns): Remove declarations.
4421 (split_all_insns): Declare.
4422 * toplev.c (rest_of_compilation): Thread prologue before flow2.
4423 Use split_all_insns.
4425 * i386.md (or -1 peep2s): Disable.
4427 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
4429 * config/mips/mips.md (movstrsi+[123]) : Combine these into
4430 a single pattern. Scrap the 'd' versions as unnecessary.
4432 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
4433 tablejump_mips162,tablejump_internal4): The operands to a
4434 label_ref must be VOIDmode.
4436 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4438 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
4440 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
4442 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
4444 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
4446 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
4447 cache every function if ggc_p.
4449 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4451 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
4452 instead of copy_rtx. Accept sequences that contain asm statements.
4453 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
4454 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
4455 orig_asm_operands_vector, copy_asm_operands_vector,
4456 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
4458 * rtl.h (copy_insn, copy_insn_1): Declare.
4460 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4462 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
4464 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
4465 arguments to `current_file_function_operand'.
4467 * genrecog.c: Include hard-reg-set.h and resource.h in the
4468 generated output file.
4470 * real.c: Include tm_p.h.
4472 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4474 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
4477 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
4479 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
4480 before the fctiwz insn.
4482 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4483 Mark Mitchell <mark@codesourcery.com>
4485 * tree.c (make_lang_type_fn): New funtion pointer.
4486 (make_lang_type): Call it.
4487 * tree.h (make_lang_type): Declare.
4488 (make_lang_type_fn): Likewise.
4489 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
4491 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
4493 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
4494 make sure that HIGH instructions are copied into BASE_REGS.
4496 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
4498 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
4500 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
4502 * c-decl.c (finish_struct): Use simpler method of
4503 removing elements of a singly-linked list.
4505 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
4507 * alpha.md (peephole2's): Comment out peephole2's that generate
4510 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
4512 * genrecog.c (add_to_sequence): Disable mode check for
4515 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4517 * ggc-simple.c (init_ggc): Set empty_string.
4519 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
4521 * configure.in: Detect mmap. Add --with-gc=foo to select
4522 garbage collector; default to page if mmap available.
4523 * Makefile.in (GGC): Substitute.
4525 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
4527 * c-decl.c (ggc_p): Enable.
4529 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4531 * flow.c (verify_flow_info): Make it extern & unconditionally define.
4533 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
4535 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
4536 string for little-endian-data.
4538 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
4540 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
4541 case somebody tries to compile --enable-checking code with gcc
4544 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
4546 * genrecog.c (add_to_sequence): Verify operand to label_ref is
4549 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
4551 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
4552 * jump.c (jump_optimize_1): Document why.
4554 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4556 * collect2.c (scan_prog_file, scan_libraries): Prototype function
4557 pointers and casts for `int_handler' and `quit_handler'.
4559 * flow.c (verify_flow_info, split_hard_reg_notes,
4560 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
4561 remove_edge, remove_fake_successors): Add static prototypes.
4562 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
4563 (mark_set_1): Initialize variable `regno'.
4564 (unlink_insn_chain): Likewise for variable `curr'.
4565 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
4567 * loop.c (strength_reduce): Initialize variable
4568 `unrolled_insn_copies'.
4569 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
4570 prototypes. Change these functions to take const PTR parameters
4571 to avoid prototype conflict when used as the comparson argument
4573 (check_dbra_loop): Initialize variable `comparison_val'.
4575 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
4576 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
4577 (find_valid_class): Initialize variable `best_class'.
4578 (find_reloads): Call memcpy, not bcopy.
4580 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
4581 (hard_reg_use_compare): Don't needlessly cast away const.
4582 (reload_reg_class_lower): Likewise.
4583 (choose_reload_regs): Initialize variable `regno'.
4585 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
4587 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
4589 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
4591 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
4592 ({,d}discard): Add forward declarations. Declare parameter as
4594 (main_without_main): Explicitly declare return type to be int.
4595 (memcpy): Properly declare.
4597 * libgcc2.c (toplevel): If inhibit_libc is defined and not
4598 building the trampoline support, declare malloc, free, and
4600 (__clear_cache): Mark arguments as potentially unused.
4602 * frame.c (toplevel): If inhibit_libc is defined, declare
4605 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
4607 * flow.c (make_edge): Accept an optional 2D bitmap in which
4608 to cache edge existence. Update all callers.
4609 (make_label_edge, make_eh_edge): Pass through the edge cache.
4610 (make_edges): Provide the cache.
4612 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4614 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
4616 (local_mbtowc): Change the type of variable `i' from int to size_t.
4618 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
4619 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
4621 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
4623 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
4624 after other includes that define the appropriate types. Include
4625 tm_p.h for getting user prototypes.
4626 * ggc-callbacks.c (toplevel): Ditto.
4627 * ggc-none.c (toplevel): Ditto.
4628 * gcc-page.c (toplevel): Ditto.
4629 * ggc-simple.c (toplevel): Ditto.
4631 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
4632 Jonathan Larmour <jlarmour@cygnus.co.uk>
4634 * config/mips/mips.c (mips_move_2words): Split doubles if
4635 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
4637 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
4639 * genrecog.c (struct decision_test): New.
4640 (struct decision): Remove test-related members, sort the rest by size.
4641 (IS_SPLIT): Simplify.
4642 (new_decision, new_decision_test): New.
4643 (add_to_sequence): Use them. No special handling for args of
4645 (maybe_both_true): Renamed from not_both_true; return sense changed.
4646 (maybe_both_true_1, maybe_both_true_2): New. Broken out
4647 of maybe_both_true and adjusted for decision_test.
4648 (position_merit): Remove.
4649 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
4650 (merge_accept_insn): New, broken out of merge_trees.
4651 (merge_trees): Use them. No special case for c_test; no node
4652 splitting; use test type instead of position_merit.
4653 (factor_tests): New.
4654 (simplify_tests): New.
4655 (break_out_subroutines): Don't write code now.
4656 (find_afterward): New.
4657 (write_afterward, write_switch, write_cond): New.
4658 (write_action, is_unconditional): New.
4659 (write_node): New. Use them.
4660 (write_tree_1): Rewrite. Use the new functions above.
4661 (write_tree): Remove afterward processing.
4662 (write_subroutine): Simplify function variant emission.
4663 (write_subroutines): New.
4664 (same_codes, clear_codes): Remove.
4665 (same_modes, clear_modes): Remove.
4666 (write_header): New, broken out of main.
4667 (make_insn_sequence): Use new_decision and new_decision_test.
4668 (process_tree): New, broken out of main.
4669 (main): Adjust for merge_trees interface change.
4670 Don't #define operands in the output file.
4671 (record_insn_name): New, broken out of make_insn_sequence.
4672 (debug_decision_2, debug_decision_1, debug_decision_0): New.
4673 (debug_decision): New.
4675 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
4677 * resource.c (find_free_register): Mark class_str argument const.
4678 * resource.h: Update prototype to match.
4680 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
4681 * i386.md: Give all anonymous insns names.
4683 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
4685 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
4688 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
4690 * toplev.c (dbr_sched_time): Unconditional.
4691 (peephole2_time): New.
4692 (compile_file): Add pass numbers to all of the dump file suffixes.
4693 Dump peephole2_time. Don't dump times for non-applicable passes.
4694 (rest_of_compilation): Add pass numbers to dump file suffixes.
4695 Conditionalize calls to the scheduler.
4696 * invoke.texi: Update.
4698 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
4700 * flow.c (make_edges): Fix insn iteration.
4701 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
4702 (find_basic_blocks_1): Fix spelling mistake.
4704 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
4706 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
4707 always have side-effects. Use memset not bzero.
4708 (make_node): Likewise.
4710 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
4712 * stmt.c (expand_anon_union_decl): When any of the elements of the
4713 union is addressable, so is the entire union.
4715 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
4717 * sbitmap.c (sbitmap_ones): Don't set too many bits.
4719 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
4720 * bitmap.c (bitmap_operation): Return true iff TO changed.
4721 (bitmap_equal_p): New.
4722 (bitmap_bit_p): Tidy arithmetic.
4723 (debug_bitmap_file): Likewise.
4725 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
4727 * toplev.c (rest_of_compilation): Turn on cse_not_expected
4728 before cse2 instead of after.
4730 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
4732 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
4735 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4737 * cppinit.c (is_idchar initializer): Loosen tests to accept
4740 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
4742 * mips.md: Define conditional move patterns for floating point
4743 operands and DI mode conditions.
4745 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
4747 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
4748 always have side-effects.
4750 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
4752 * mn10200.c (asm_file_start): Fix typo.
4754 * cppinit.c (is_idchar initializer): Tighten tests for when
4755 to put the table into initialized memory.
4757 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
4758 not an array of rtunion.
4759 * gcc-page.c (ggc_alloc_rtvec): Similarly.
4760 * gcc-simple (ggc_free_rtvec): Similarly.
4762 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
4765 * mbchar.h: Add missing #endif.
4767 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
4768 (FPBIT, DPBIT): Define.
4770 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4772 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
4774 * profile.c (instrument_arcs, output_gcov_string,
4775 tablejump_entry_p): Add static prototypes.
4776 (output_gcov_string): Constify a char*.
4778 * regmove.c (replacement_quality, fixup_match_2): Add static
4781 * resource.h (reg_dead_p): Add extern prototype.
4783 * rtl.c (trim_filename): Add static prototype.
4785 * scan-decls.c (skip_to_closing_brace): Likewise.
4787 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
4788 (expand_end_case): Initialize variable `range'.
4789 (emit_case_nodes): Remove unused prototype `rtx_fn'.
4791 * varasm.c (asm_emit_uninitialised): Add static prototype.
4792 (asm_emit_uninitialised, assemble_variable): Mark parameter with
4795 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4797 * cpplib.c (if_directive_nameo): Add static prototype.
4799 * cse.c (cse_insn): Remove unused variable `p'.
4801 * except.c (create_rethrow_ref, push_entry,
4802 receive_exception_label, new_eh_region_entry, find_func_region,
4803 clear_function_eh_region, process_nestinfo): Add static prototypes.
4804 (get_reg_for_handler): Hide definition.
4805 (process_nestinfo): Initialize variable `extra_handlers'.
4807 * expr.h (expand_builtin_longjmp): Add extern prototype.
4809 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
4811 * function.c (prepare_function_start): Likewise.
4812 (pop_function_context_from): Mark parameter `context' with
4814 (push_temp_slots_for_block, flush_addressof): Hide definition.
4816 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
4817 solve_program_flow_graph, calculate_branch_probs,
4818 function_summary, main, fancy_abort): Add prototypes.
4820 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
4821 (add_hash): Constify a char*.
4823 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
4824 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
4825 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
4827 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
4829 * lists.c (free_list, zap_lists): Likewise.
4831 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4833 * alias.c (nonlocal_reference_p): Add static prototype.
4835 * bitmap.c (bitmap_element_allocate): Prototype args in function
4838 * builtins.c (stabilize_va_list): Add static prototype.
4839 (expand_builtin_va_arg): Constify a char*.
4841 * c-lex.c (getch, put_back, extend_token_buffer_to,
4842 read_line_number, token_getch, token_put_back): Add static
4845 * c-parse.gperf (hash, is_reserved_word): Likewise.
4847 * cccp.c (is_dir_separator): Likewise.
4849 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4851 * graph.h: New file to prototype functions exported by graph.c.
4853 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
4855 * graph.c: Include graph.h.
4857 * toplev.c: Likewise. Remove redundant prototypes.
4859 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
4861 * invoke.texi: Removed duplicated description for -Q.
4863 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
4865 * extend.texi: Grammar fix in __extension__ text.
4867 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
4869 * md.texi (define_peephole2): New section.
4871 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
4873 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
4874 (mov $-1 to or peepholer): Enable for pentium when optimizing for
4877 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
4879 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
4881 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
4883 * i386.md (ffs expander): Emit Pentium friendly code for
4886 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
4888 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
4892 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4894 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
4896 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
4898 * config/m68k/m68k.c (use_return_insn): Return false if the pic
4901 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4903 * md.texi (No Constraints): Delete section.
4904 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
4905 * final.c (final_scan_insn): We always have register constraints.
4906 * genattrtab.c: Don't include "insn-config.h".
4907 (write_attr_case): We always have register constraints.
4908 * genconfig.c (register_constraint_flag): Delete.
4909 (walk_insn_part): Don't check whether we have register constraints.
4910 (main): Don't write out "#define REGISTER_CONSTRAINTS".
4911 * genoutput.c (have_constraints): Delete.
4912 (main): Don't set it.
4913 (output_operand_data): We always have constraints.
4914 (scan_operands): Likewise.
4915 (compare_operands): Likewise.
4916 * local-alloc.c (block_alloc): We always have constraints.
4917 (requires_inout): Always compile this function.
4918 * recog.c (extract_insn): We always have constraints.
4919 (constrain_operands, reg_fits_class_p): Always compile these
4921 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
4923 (struct insn_operand_data): Likewise.
4924 * regclass.c (regclass): We always have constraints.
4925 (record_reg_classes, copy_cost, record_address_regs,
4926 auto_inc_dec_reg_p): Always compile these functions.
4927 * regmove.c (regmove_optimize): We always have constraints.
4928 * reload.c (find_reloads): Likewise.
4929 * reload1.c (reload): Likewise.
4930 (reload_cse_simplify_operands): Likewise.
4931 * i860.c (output_delay_insn): Likewise.
4933 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
4935 * iris6.h (BUILD_VA_LIST_TYPE): Define.
4937 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4939 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
4940 for the va_list record.
4942 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
4944 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
4947 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
4949 * alias.c: Include insn-flags.h.
4950 * Makefile.in (alias.o): Update.
4952 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
4954 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
4955 to LTU and GEU. Handle more cases using sbb.
4957 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
4959 * i386.md (truncatexfdf splitters): Do not use subreg.
4960 (fop XFmode patterns): Fix mode in operand testing.
4962 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
4964 * jump.c (jump_optimize_1): Amend last change to test only the
4965 form of the operand, not the insn.
4967 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
4968 not register_operand to determine when B may need preloading.
4970 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
4972 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
4973 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
4974 (call-value patterns): Move to end of file.
4975 (*): Remove mode from label_ref in (pc) context.
4976 (movstrqi): Use memory not general_operand for BLKmode operands.
4977 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
4978 to register_operand operands.
4979 (peep2 patterns): Convert from commented-out peephole patterns.
4981 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4983 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
4984 to BUILT_IN_INIT_DWARF_REG_SIZES.
4985 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
4986 Renamed from BUILT_IN_DWARF_REG_SIZE; call
4987 expand_builtin_init_dwarf_reg_sizes.
4988 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
4989 with __builtin_init_dwarf_reg_size_table.
4990 * dwarf2out.c (struct reg_size_range): Delete.
4991 (expand_builtin_init_dwarf_reg_sizes): New function.
4992 (expand_builtin_dwarf_reg_size): Delete.
4993 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
4994 (expand_builtin_dwarf_reg_size): Don't declare.
4995 * libgcc2.c (dwarf_reg_size_table_initialized): New.
4996 (dwarf_reg_size_table): New.
4997 (init_reg_size_table): New function.
4998 (copy_reg): Use dwarf_reg_size_table.
4999 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
5002 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
5004 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
5005 Correctly build argument list to constructor and destructor functions.
5007 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
5009 * c-tree.h (warn_float_equal): Declare.
5010 * c-decl.c (warn_float_equal): Define.
5011 (c_decode_option): Recognize -W[no-]float-equal.
5012 * c-typeck.c (build_binary_op): Conditionally warn
5013 about equality tests of floating point types.
5014 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
5015 * invoke.texi: Add docs for -Wfloat-equal warning.
5017 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
5019 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
5020 generating RTL directly.
5021 * mips.h (INIT_TARGET_OPTABS): Likewise.
5022 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
5024 * expr.h (init_mov_optab): Delete declaration
5026 * h8300.c (WORD_REG_USED): Update to avoid useless register
5027 saves in interrupt functions and functions which never return.
5029 * cse.c (struct set): Delete inner_dest_loc field.
5030 (cse_insn): Remove assignments to inner_dest_loc field.
5032 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
5034 * ggc-page.c: Don't include <unistd.h> etc taken care of
5035 by "system.h". Include <sys/mman.h> afterward.
5037 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
5039 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
5042 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
5044 * xcoffout.c (xcoffout_declare_function): Add documentation.
5045 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
5046 TARGET_64BIT. Compare constant to -1, not bit pattern.
5047 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
5048 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
5051 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
5053 * dwarf2out.c (add_abstract_origin_attribute): Abort if
5055 (gen_inlined_enumeration_type_die): Do not abort if the type has
5056 not been writeen out.
5057 (gen_inlined_structure_type_die): Do not abort if the type has
5058 not been writeen out.
5059 (gen_inlined_union_type_die): Do not abort if the type has
5060 not been writeen out.
5061 (gen_tagged_type_instantiation_die): Do not abort if the type
5062 has not been written out.
5064 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5066 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
5068 * reg-stack.c (straighten_stack): Copy hard reg set with
5071 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
5073 * builtins.c (stabilize_va_list): Stabilize array type va_list
5074 to a pointer type, not the base record type.
5075 (expand_builtin_va_copy): Dereference the pointers explicitly;
5076 use the correct size for the copy.
5078 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
5079 (rs6000_va_arg): Likewise.
5081 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
5083 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
5085 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
5087 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
5089 (DECL_BUILT_IN_CLASS): Adjust accordingly.
5091 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
5093 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
5094 (init_ggc): Use it instead of a constant.
5095 (ggc_collect): Bound allocated_last_gc by it.
5097 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
5099 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
5102 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
5104 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
5105 (mips*-*-openbsd*): Let big endian configuration be a fragment.
5107 * config/mips/openbsd.h: New, OpenBSD little endian target.
5108 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
5109 * config/mips/xm-openbsd.h: New, OpenBSD host.
5111 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
5113 * config/m68k/m68k.c (output_function_prologue,
5114 output_function_epilogue): Use
5115 current_function_uses_pic_offset_table instead of regs_ever_live
5116 to decide whether to save/restore pic register.
5117 (legitimize_pic_address): Don't modify regs_ever_live any more.
5119 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
5121 * function.h (struct function): Add x_dont_save_pending_sizes_p.
5122 * stor-layout.c (variable_size): Don't add sizes to the pending
5123 sizes list if x_dont_save_pending_sizes_p is set.
5125 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
5127 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
5128 for symbolic_operand().
5129 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
5131 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5133 * combine.c (gen_rtx_combine): Add missing call to va_end().
5135 * final.c (asm_fprintf): Likewise.
5137 * genattrtab.c (attr_rtx): Likewise.
5139 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
5141 * cse.c: Update comments.
5142 (cse_insn): When converting a conditional/computed jump into
5143 an unconditional jump, always make sure a BARRIER immediately
5144 follows the converted jump. Do not delete unreachable code.
5145 (cse_basic_block): Do not delete unreachable code.
5146 * toplev.c (rest_of_compilation): Move call to
5147 delete_trivially_dead_insns after the conditional call to
5150 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5152 * collect2.c (make_temp_file): Don't prototype.
5154 * gcc.c (make_temp_file): Likewise.
5156 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
5158 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
5160 * varasm.c (asm_emit_uninitialised): New function: Generate
5161 the assembler statements necessary to declare an uninitialised
5163 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
5165 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
5166 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
5168 (assemble_variable): Use asm_emit_uninitialised to emit an
5169 uninitialised variable.
5171 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
5173 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
5174 constant on a 64 bit host. Patch supplied by Geoffrey Keating
5175 <geoffk@cygnus.com>.
5177 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5179 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
5180 * c-common.h (builtin_function): Don't declare.
5182 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
5184 (pushdecl): Likewise.
5185 (finish_decl): Likewise.
5186 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
5187 int. All callers changed.
5188 Set the builtin's DECL_BUILT_IN_CLASS.
5189 * tree.h (enum built_in_class): New.
5190 (enum built_in_function): Delete NOT_BUILT_IN.
5191 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
5193 (DECL_SET_FUNCTION_CODE): Likewise.
5194 (DECL_BUILT_IN_CLASS): New macro.
5195 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
5196 (struct tree_decl): Split builtin function code field into a
5198 (builtin_function): Declare.
5200 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
5202 * optabs.c (init_traps): Fix typo in last change.
5204 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
5206 * toplev.c (rest_of_decl_compilation): Update comment.
5208 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
5210 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
5211 in .sbss if appropriate.
5212 (EXTRA_SECTION_FUNCTIONS): Add sbss.
5213 (SBSS_SECTION_ASM_OP): New macro.
5214 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
5215 (EXTRA_SECTIONS): Add in_sbss.
5216 * config/mips/mips.h: Prototype sbss_section.
5218 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
5220 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
5223 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
5225 * optabs.c (init_traps): Register trap_rtx as a GC root.
5227 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5229 * config/mips/mips.c (function_arg_pass_by_reference): Define
5230 unconditionally, since it's called unconditionally.
5232 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
5234 * toplev.c (documented_lang_options): Add -fshort-wchar.
5235 * c-decl.c (c_decode_option): Likewise.
5236 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
5238 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
5239 * gcc.c (default_compilers): If -fshort-wchar,
5240 override __WCHAR_TYPE__.
5241 * tm.texi (C Dialect Options): Add -fshort-wchar.
5243 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
5244 symbol for a variable.
5246 * cpplib.h (CPP_PREPROCESSED): New macro.
5247 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
5248 we're seeing this input for a second time.
5250 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
5252 * emit-rtl.c (init_emit_once): Initialize modes first.
5254 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
5256 * config/i386/i386.c (pic_label_name): Change to char pointer.
5257 (global_offset_table): New variable.
5258 (load_pic_register): Fill global_offset_table if it hasn't
5259 already been done. Allocate pic_label_name dynamically.
5260 * ggc.h (empty_string): New variable.
5261 * ggc-simple.c (empty_string): Likewise.
5262 (init_ggc): Allocate empty_string and add as root.
5263 * stmt.c (digit_strings): New variable.
5264 (init_stmt): Add last_block_end_note as root. Allocate and
5265 initialize digit_strings.
5266 (expand_asm_operands): Use empty_string instead of string
5267 constant. Use digit_strings instead of string constants.
5268 * profile.c (init_arc_profiler): Allocate string with
5269 ggc_alloc_string instead of xmalloc.
5270 (output_func_start_profiler): Likewise.
5271 * c-typeck.c (digest_init): Check if init is error_mark_node.
5273 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
5274 Richard Henderson <rth@cygnus.com>
5276 * ggc-page.c: New file.
5277 * Makefile.in (ggc-page.o): New.
5279 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
5281 * invoke.texi: Document -fdelete-null-pointer-checks
5282 * toplev.c (flag_delete_null_pointer_checks): New.
5283 (f_options): Add entry for -fdelete-null-pointer-checks.
5284 (rest_of_compilation): Conditionalize null pointer check
5285 elimination on flag_delete_null_pointer_checks.
5286 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
5288 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
5290 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
5291 copyright notice and special exception to GPL.
5293 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5295 * abi64.h (mips_function_value): Add prototype arguments.
5297 * mips-protos.h: New file with mips prototypes.
5299 * mips.c: Include "tm_p.h".
5300 (mktemp, lookup_name): Add prototype arguments.
5301 (extern_list, string_constant, mips_fill_delay_slot,
5302 mips_output_external, mips_output_external_libcall,
5303 mips_output_filename, mips_declare_object, function_prologue,
5304 mips_expand_prologue, function_epilogue, mips16_constant,
5305 build_mips16_function_stub, mips_output_conditional_branch):
5307 (mips_va_start): Remove unused variable `u'.
5308 (mips_va_arg): Cast value to unsigned when comparing against one.
5310 (save_restore_insns, mips_expand_prologue): Add missing arg in
5311 call to `large_int'.
5313 * mips.h: Move prototypes to mips-protos.h.
5314 (data_section, memory_address_p, rdata_section,
5315 readonly_data_section, simple_epilogue_p, text_section): Delete
5316 prototypes delcared elsewhere.
5317 (mips_epilogue_delay_slots, print_options): Delete unused decls.
5319 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
5321 * mips.md: Delete extra args in call to `mips_move_2words'.
5323 * xm-iris6.h (alloca): Add prototype argument.
5325 * genpeep.c: Include "tm_p.h" in generated output file.
5327 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5329 * basic-block.h (find_edge_index): Change parameters.
5330 * flow.c (verify_edge_list): Pass basic_block parameters to
5331 find_edge_index instead of integers.
5333 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
5335 * combine.c (simplify_comparison): Use an unsigned shift to adjust
5338 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
5340 * gcc.1: Fix a formatting error.
5342 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5344 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
5345 i786, mn10200, mn10300, pdp11, v850.
5347 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
5349 * libgcc2.c (num_digits): Add prototype with
5350 __attribute__((const)).
5351 (__terminate): Add prototype.
5353 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
5355 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
5357 * alpha/alpha.c (print_operand): Fix type of `code'.
5358 (alpha_output_filename): Constify.
5359 * alpha/alpha.h: Move all function declarations ...
5360 * alpha/alpha-protos.h: ... here. New file.
5361 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
5362 (SECTION_FUNCTION_TEMPLATE): Likewise.
5364 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5366 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
5367 * expr.c (expand_expr): Likewise.
5368 (do_jump): Likewise.
5369 (do_store_flag): Pass ccp_store_flag to can_compare_p.
5370 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
5372 (enum can_compare_purpose): New.
5373 (can_compare_p): Adjust prototype.
5374 (prepare_cmp_insn, prepare_operand): Declare.
5375 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
5376 * optabs.c (cmp_available_p): Deleted.
5377 (expand_abs): Pass ccp_jump to can_compare_p.
5378 (can_compare_p): New arg PURPOSE. Check for combined optabs.
5379 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
5380 Call can_compare_p rather than cmp_available_p.
5381 (prepare_operand): No longer static.
5382 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
5383 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
5384 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
5385 sequence to use emit_cmp_and_jump_insns.
5386 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
5388 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
5390 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
5391 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
5392 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
5393 (plus (reg) (const_int 0))
5394 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
5396 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
5398 * rs6000.c (expand_block_move): DImode loads and stores require
5399 word-aligned displacements. Increment address registers with
5400 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
5402 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
5404 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
5405 is no name for the base type, rather than segfault. If we are
5406 writing out a complex integer type, use DW_ATE_lo_user.
5408 * expr.c (emit_move_insn_1): If we are copying a complex that fits
5409 in one word or less (complex char, complex short, or on 64 bit
5410 systems complex float) to/from a hard register, copy it through
5411 memory instead of dying in gen_{real,imag}part. If we have a
5412 short complex type, prevent inlining since it allocates stack
5415 * tree.c (build_complex_type): If we are writing dwarf2 output,
5416 generate a name for complex integer types.
5418 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5420 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
5421 * flow.c (remove_edge): Remove extra whitespace.
5422 (remove_fake_edges): Fix comment.
5423 (add_noreturn_fake_exit_edges): Use the correct name.
5425 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
5427 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
5428 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
5429 (clean): Depend on INTL_CLEAN.
5430 (maintainer-clean): Adjust.
5432 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5434 * configure.in (AC_PREREQ): Bump to 2.13.
5435 (AC_C_STRINGIZE): Call this instead of using a custom macro.
5437 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
5439 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
5441 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
5443 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
5444 (HAVE_STRINGIZE): Define.
5446 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
5448 * c-parse.in: save and restore warn_pointer_arith on __extension__
5449 along with pedantic.
5450 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
5451 Set the type of extension to itype rather than $<itype>1 kludge.
5452 * extend.texi (Alternate Keywords): Adjust documentation.
5453 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
5455 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
5457 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
5458 most assembler templates.
5460 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
5461 FP loads and stores.
5462 (following_call): Always return zero for the PA8000.
5463 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
5464 FP loads and stores.
5465 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
5467 * pa.h (BRANCH_COST): Define.
5469 * pa.md (return, return_internal): Use bve for PA2.0.
5471 * pa.md (fused multiply): Add variants which reduce height for the
5472 fused multiply, but which still generate 2 insns.
5473 (fnegabs): Similarly.
5475 * pa.md (subsi3): Turn into an expander. Create two anonymous
5476 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
5477 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
5479 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
5481 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
5483 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
5484 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
5486 * regclass.c (init_regs): Add "top_of_stack" as a garbage
5489 * flow.c (record_active_eh_regions): Terminate loop after finding
5490 the last insn in the last basic block.
5492 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5494 * config/c4x/c4x.md: Delete parallel instruction peepholes.
5496 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5498 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
5500 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5502 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
5503 splitting to not use output template.
5505 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5507 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
5508 * config/c4x/c4x.c (c4x_va_start): New function.
5510 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
5512 * genrecog.c (not_both_true): Handle correctly cases when called for
5513 tests with different positions in the insn.
5515 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5517 * machmode.h (HOST_PTR_PRINTF): Move from here ...
5519 * system.h (HOST_PTR_PRINTF): ... to here.
5521 * mips-tfile.c: Don't include machmode.h.
5523 * Makefile.in (MACHMODE_H): New variable. Update to use it.
5524 (mips-tfile.o): Don't depend on machmode.h.
5526 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5528 * haifa-sched.c (sched_analyze): Rename local variable `region' to
5529 avoid conflicts with typedef struct `region' at the top level scope.
5531 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
5533 * basic-block.h (basic_block): Add eh_beg, eh_end.
5534 * flow.c (entry_exit_blocks): Update.
5535 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
5537 (find_basic_blocks_1): Don't record eh_list at each bb. Use
5538 lists.c functions to allocate insn lists.
5539 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
5541 (make_eh_edge): ... here. New.
5542 (move_stray_eh_region_notes): New.
5543 (record_active_eh_regions): New.
5544 (delete_unreachable_blocks): Split out block merging ...
5545 (try_merge_blocks): ... here. New.
5546 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
5547 Dump debugging data.
5548 (merge_blocks_move_successor_nojumps): Likewise.
5549 (merge_blocks): Use eh_beg+eh_end to validate block movement.
5551 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5553 * extend.texi (Bound member functions): Document unbound pmf
5556 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5558 * flow.c (split_edge): Handle insertion on a fallthrough edge which
5559 has the EXIT_BLOCK as a dest.
5561 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5563 * flow.c (remove_edge): New function to remove an edge from the
5565 (remove_fake_successors): New function to remove fake successor edges.
5566 (remove_fake_edges): New function to remove all fake edges from the
5568 (add_fake_exit_edges): New function to add fake edges from all blocks
5569 with no successors to the exit block.
5570 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
5571 prototypes for new functions.
5573 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5575 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
5576 Use Pmode to determine whether to output .dword or .word.
5578 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
5580 * tree.c (built_in_filename): New variable.
5581 (BUILT_IN_FILENAME): New macro.
5582 (init_tree_codes): Allocate built_in_filename.
5583 (make_node): Use built_in_filename instead of string constant.
5585 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
5587 * configure.in: Add fr30 target.
5588 * configure: Regenerate.
5589 * config/fr30: New directory.
5590 * config/fr30/crti.asm: New file.
5591 * config/fr30/fr30.c: New file.
5592 * config/fr30/crtn.asm: New file.
5593 * config/fr30/fr30.h: New file.
5594 * config/fr30/fr30.md: New file.
5595 * config/fr30/lib1funcs.asm: New file.
5596 * config/fr30/t-fr30: New file.
5597 * config/fr30/xm-fr30.h: New file.
5599 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
5601 * flow.c (merge_blocks_move_successor_nojumps): Delete the
5602 BARRIER at the end of the successor, not the BARRIER before
5605 * pa.c (pa_add_gc_roots): Fix thinko in last change.
5607 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
5609 * stmt.c (any_pending_cleanups): Don't crash when
5610 current_function->stmt is unset.
5612 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5614 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
5615 other initializations that may use it for relative offsets.
5617 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5619 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
5620 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
5621 * config/i386/sol2dbg.h: Removed.
5622 * config/i386/sol2gas.h: New file, to enable gas work-around.
5623 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
5624 Don't use sol2dbg.h.
5625 * configure: Rebuilt.
5627 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
5629 * invoke.texi (-fthis-is-variable): Remove documentation.
5631 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
5633 * basic-block.h (compute_bb_for_insn): Declare.
5634 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
5635 to use; set size of basic_block_for_insn directly.
5636 (find_basic_blocks): Update.
5638 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5640 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
5642 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5644 * crtstuff.c (ON_EXIT): Delete empty macro definition.
5645 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
5647 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
5649 * c-decl.c (c_decode_option): Extend comment.
5651 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
5653 * toplev.c (progname): Make 'const char *'
5654 (flag_print_mem): Move out of main.
5655 (version_flag): Move out of main.
5656 (filename): Move out of main.
5657 (debug_args): Remove g prefix from options.
5658 (documented_lang_options): Remove cpplib specific options.
5659 (display_help): Add g prefix to debug options.
5660 (check_lang_option): Delete this function.
5661 (decode_d_option): New function: Decode -d... option.
5662 (decode_f_option): New function: Decode -f... option.
5663 (decode_W_option): New function: Decode -W... option.
5664 (decode_g_option): New function: Decode -g... option.
5665 (independent_decode_option): New function: Decode a language
5666 independent command line option.
5667 (main): Invoke lang_decode_option and then
5668 independent_decode_option on each command line option in
5671 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
5673 Revert this change. Gavin's patch to operand_equal_p is a better fix.
5674 * fold-const.c (fold_range_test): Do not try to fold the range
5675 test if the rhs or lhs has side effects.
5677 * basic-block.h (compute_flow_dominators): Declare.
5679 * gcse.c (alloc_code_hoist_mem): New function.
5680 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
5681 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
5682 (hoist_code, one_code_hoisting_pass): Likewise.
5683 (gcse_main): If optimizing for size, then hoist expressions
5684 computed in multiple dominated basic blocks.
5686 * gcse.c (invalid_nonnull_info): New function.
5687 (delete_null_pointer_checks): Likewise.
5688 * rtl.h (delete_null_pointer_checks): Declare.
5689 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
5691 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
5692 (merge-blocks_move_successor_nojumps): Likewise.
5693 (merge_blocks): Allow merging of some blocks, even if it requires
5694 physical movement of the blocks, but not if it requires new jumps.
5696 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
5697 Callers and prototype changed.
5698 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
5700 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5702 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
5703 -YP when both -p and -pg are present. From i386/sol2.h.
5705 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5707 * Makefile.in (distclean): Delete tm_p.h.
5708 * configure.in: Create a new file, "tm_p.h", from a list in
5709 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
5710 "i386/i386-protos.h".
5712 * alias.c: Include "tm_p.h".
5713 * c-typeck.c: Likewise.
5714 * calls.c: Likewise.
5716 * emit-rtl.c: Likewise.
5717 * explow.c: Likewise.
5718 * expmed.c: Likewise.
5720 * final.c: Likewise.
5722 * fold-const.c: Likewise.
5723 * function.c: Likewise.
5725 * global.c: Likewise.
5726 * haifa-sched.c: Likewise.
5727 * integrate.c: Likewise.
5729 * local-alloc.c: Likewise.
5731 * optabs.c: Likewise.
5732 * recog.c: Likewise.
5733 * reg-stack.c: Likewise.
5734 * regclass.c: Likewise.
5735 * regmove.c: Likewise.
5736 * reload.c: Likewise.
5737 * reload1.c: Likewise.
5738 * reorg.c: Likewise.
5739 * resource.c: Likewise.
5741 * stor-layout.c: Likewise.
5742 * toplev.c: Likewise.
5744 * unroll.c: Likewise.
5745 * genattrtab.c (main): Make generated file include "tm_p.h".
5746 * genemit.c (main): Likewise.
5747 * genoutput.c (main): Likewise.
5748 * genrecog.c (main): Likewise.
5750 * i386.h: Delete all prototypes.
5751 * i386.c: Include "tm_p.h".
5752 (ix86_attr_length_default): Call constant_call_address_operand
5753 with correct number of arguments.
5754 * i386-protos.h: New file.
5755 * i386.md (unnamed patterns): Call constant_call_address_operand
5756 with correct number of arguments.
5757 (exception_receiver): Call load_pic_register with correct number
5760 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
5762 * c-pragma.c (mark_align_stack): Dereference the void* properly.
5764 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
5766 * rtl.h (insns_safe_to_move_p): New function.
5767 * loop.c (find_and_verify_loops): Use it.
5768 * rtlanal.c (insns_safe_to_move_p): Define it.
5770 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
5772 * c-pragma.c: Include ggc.h.
5773 * Makefile.in (c-pragma.o): Update.
5775 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5777 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
5778 (LIB_SPEC): Likewise.
5779 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
5780 Reindent -YP/-p/-pg.
5781 Copied from config/sparc/sol2.h.
5783 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
5785 * c-pragma.c (mark_align_stack): New.
5787 * c-pragma.h (init_pragma): Declare it.
5788 * c-lex.c (init_parse): Call it.
5790 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5792 * configure.in: Pick up thread library on Solaris/x86 just
5793 like on Solaris/sparc.
5794 * configure: Rebuilt.
5796 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
5798 * rtl.h (global_rtx_index): New enum.
5799 (global_rtl): Change to array of rtx.
5800 (pc_rtx, cc0_rtx): Redefine accordingly.
5801 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
5802 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
5803 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
5804 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
5805 (const_int_rtx): Change to array of rtx.
5806 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
5808 * emit-rtl.c (global_rtl): Change to array of rtx.
5809 (const_int_rtx): Change to aray of rtx.
5810 (gen_rtx_CONST_INT): Redefine accordingly.
5811 (init_emit_once): Allocate and initialize global_rtl. Likewise
5812 for const_int_rtx. Add both as GC roots.
5813 * genattrtab.c (global_rtl): Update declaration.
5815 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
5817 * Makefile (USER_H): Add iso646.h back.
5819 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
5821 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
5822 zapping the LOG_LINKS of sched_before_next_call.
5824 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
5825 * pa.c (insn_refs_are_delayed): Renamed from
5826 insn_sets_and_refs_are_delayed.
5828 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
5830 * functiion.h (struct function): Add x_whole_function_mode_p.
5831 (retrofit_block): Declare.
5832 * function.c (retrofit_block): New function.
5833 (identify_blocks): Add assertions. Allow an incomplete set of
5834 block notes if we're still generating code for the function.
5835 * integrate.c: Include loop.h.
5836 (expand_inline_function): Call find_loop_tree_blocks to map block
5837 notes to blocks when in whole-function mode. Use retrofit_block
5838 to insert new BLOCKs for the inlined function, rather than
5840 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
5841 * Makefile.in (integrate.o): Depend on loop.h.
5843 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
5845 * tree.h (warn_about_unused_variables): Declare.
5846 * stmt.c (warn_about_unused_variables): New function, split out
5848 (expand_end_bindings): Here.
5850 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
5852 * stmt.c (preserve_subexpressions_p): Don't crash when
5853 current_function->stmt is unset.
5855 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
5857 * stmt.c (expand_start_bindings): Allow callers to pass a flag
5858 indicating that no NOTE_INSN_BLOCK_BEG note is required.
5859 (expand_start_target_temps): Use it.
5860 * except.c (expand_eh_region_start_for_decl): Likewise.
5861 * expr.c (expand_expr): Likewise.
5863 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
5865 * fold-const.c (operand_equal_p): Pay attention to side effects.
5867 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
5869 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
5870 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
5872 * tlink.c (scan_linker_output): Look for keywords before accepting
5873 a mangled name in quotes.
5875 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
5877 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
5878 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
5880 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
5882 * alpha.md: Revert Thu Nov 26 change that came in through the
5883 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
5884 Avoid earlyclobber when possible.
5886 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5888 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
5890 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
5891 Define HAVE_ON_EXIT.
5893 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5895 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
5896 CTYPE_CONV in all ctype macros.
5898 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
5901 * cexp.y (initialize_random_junk): Likewise.
5903 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
5905 * i370.c (handle_pragma): Likewise.
5907 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
5909 * v850.c (override_options): Likewise.
5911 * doprint.c (_doprnt): Likewise.
5913 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
5916 * fixinc/server.c (load_data): Likewise.
5918 * fold-const.c (real_hex_to_f): Likewise.
5920 * genattr.c (write_upcase, gen_attr): Likewise.
5922 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
5923 write_upcase): Likewise.
5925 * genemit.c (print_code): Likewise.
5927 * genopinit.c (gen_insn): Likewise.
5929 * genpeep.c (print_code): Likewise.
5931 * genrecog.c (print_code): Likewise.
5933 * optabs.c (init_libfuncs): Likewise.
5935 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
5937 * haifa-sched.c (sched_analyze): Keep the list of notes organized
5939 (reemit_notes): Likewise.
5941 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
5943 * ggc.h (ggc_root): Move to ggc-common.c.
5945 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
5946 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
5947 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
5948 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
5949 * ggc-common.c (ggc_root): Move from ggc.h.
5950 (roots): Declare, static.
5951 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
5952 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
5953 null or check/set mark bit.
5954 (ggc_mark_roots): New.
5955 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
5957 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
5959 * m32r.c: Include toplev.h.
5960 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
5961 (gen_compare): Rename swap_p to must_swap to match uses.
5962 Add default abort case.
5963 (m32r_output_function_epilogue): Remove unused variables.
5964 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
5965 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
5966 define to empty parameter list. Update all uses.
5967 (predicate decls): Use enum machine_mode not int.
5968 * m32r.md (movsi): Call abort, not fatal_insn.
5969 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
5971 1999-09-14 Andrew Haley <aph@cygnus.com>
5973 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
5974 use $0 instead of 0.
5976 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5978 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
5979 computation out of loop over hard regs.
5981 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
5983 * function.c (identify_blocks): Don't shadow a variable in an
5985 * integrate.c (integrate_decl_tree): Don't use pushlevel,
5986 pushdecl, or poplevel to build up the new BLOCK tree.
5987 (expand_inline_function): Likewise.
5988 (integrate_parm_decls): Likewise.
5990 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
5992 * c-typeck.c (qualify_type): Merge qualifiers from both types.
5994 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
5996 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
5997 * invoke.texi: Document this change.
5999 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
6001 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
6003 (mark_emit_status): Renamed from mark_emit_state.
6004 * except.c (mark_eh_status): Renamed from mark_eh_state.
6005 Check not null before marking.
6006 (free_eh_status): New.
6007 * expr.c (mark_expr_status, free_expr_status): New.
6008 * function.c (free_machine_status): New.
6009 (free_after_parsing): New.
6010 (free_after_compilation): Move bits to free_after_parsing; call
6011 free_eh_status, free_expr_status; zero the marked members of the
6013 (prepare_function_start): No can_garbage_collect.
6014 Call init_eh_for_function.
6015 (expand_dummy_function_end): Free up current_function state.
6016 (mark_function_status): Renamed from mark_function_state.
6017 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
6018 * function.h (struct function): No can_garbage_collect.
6019 (free_machine_status, free_after_parsing): Declare.
6020 (free_eh_status, free_expr_status): Declare.
6021 * ggc.h (mark_expr_status): Declare.
6022 * stmt.c (free_stmt_status): Free the struct.
6023 (mark_stmt_status): Renamed from mark_stmt_state.
6024 (init_stmt): Don't call init_eh.
6025 (init_stmt_for_function): Don't call init_eh_for_function.
6026 * toplev.c (compile_file): Call init_eh.
6027 (rest_of_compilation): Free basic block info before ggc_collect.
6028 Call free_after_parsing; conditionally call free_after_compilation.
6029 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
6030 Check not null before marking.
6031 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
6033 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
6035 * c-lex.c (yylex): Initialize warn.
6037 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
6039 * pa.c (emit_move_sequence): Properly set the mode of the scratch
6040 register when performing secondary reloads for the SAR register.
6042 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
6044 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
6045 (NOTE_BLOCK): New macro.
6046 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
6047 * function.h (identify_blocks): Change prototype.
6048 * function.c (identify_blocks): Simplify.
6049 (reorder_blocks): Likewise.
6050 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
6051 NOTE_INSN_BLOCK_{BEG,END}.
6052 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
6053 the list of saved notes if the note isn't a
6054 NOTE_INSN_BLOCK_{BEG,END}.
6055 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
6057 (reemit_notes): Adjust recreation of notes to reflect new saved
6059 * print-rtl.c (print_rtx): Print the address of the BLOCK when
6060 printing a block note.
6061 * stmt.c (block_vector): Remove.
6062 (find_loop_tree_blocks): Simplify.
6063 (unroll_block_trees): Likewise.
6064 * tree.h (reorder_block): Change prototype.
6066 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
6068 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
6069 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
6070 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
6071 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
6072 (atexit, exit): Simplify.
6073 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
6074 * config/lots: Remove defns of HAVE_ATEXIT.
6076 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
6078 * calls.c (precompute_arguments): Fix typo in comment.
6079 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
6082 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
6084 * dsp16xx.c (override_options): Fix typos in GC root registration.
6086 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
6088 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
6090 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
6091 (FUNCTION_PROFILER): Redefine appropriately for Linux.
6092 (CC1_SPEC): Likewise.
6094 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6096 * genattr.c (main): Add extern prototype. Call return, not exit.
6097 * genattrtab.c (main): Likewise.
6098 * gencheck.c (main): Likewise.
6099 * gencodes.c (main): Likewise.
6100 * genconfig.c (main): Likewise.
6101 * genemit.c (main): Likewise.
6102 * genextract.c (main): Likewise.
6103 * genflags.c (main): Likewise.
6104 * gengenrtl.c (main): Likewise.
6105 * genopinit.c (main): Likewise.
6106 * genoutput.c (main): Likewise.
6107 * genpeep.c (main): Likewise.
6108 * genrecog.c (main): Likewise.
6110 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
6111 * genattrtab.c (get_insn_name): Likewise.
6112 * gencodes.c (get_insn_name): Likewise.
6113 * genconfig.c (get_insn_name): Likewise.
6114 * genemit.c (get_insn_name): Likewise.
6115 * genextract.c (get_insn_name): Likewise.
6116 * genflags.c (get_insn_name): Likewise.
6117 * genopinit.c (get_insn_name): Likewise.
6118 * genpeep.c (get_insn_name): Likewise.
6120 * gencheck.c (usage): Add static prototype.
6121 * genextract.c (print_path): Constify a char*.
6122 * genopinit.c (optabs): Likewise.
6123 * genoutput.c (operand_data, data, output_predicate_decls,
6124 compare_operands): Likewise.
6125 * genrecog.c (write_tree): Add default case in switch.
6127 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6129 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
6131 * print-rtl.c (get_insn_name): Remove prototype.
6133 * toplev.h (progname): Declare const.
6135 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
6136 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
6137 dump_sched_info, dump_local_alloc, regset_release_memory,
6138 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
6139 error_with_file_and_line, error_with_decl, error_for_asm, error,
6140 fatal, warning_with_file_and_line, warning_with_decl, warning,
6141 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
6142 Remove redundant prototypes.
6144 (notice, check_lang_option, report_file_and_line, vnotice,
6145 mark_file_stack): Add static prototype.
6146 (set_fatal_function): Add prototype.
6147 (vnotice, report_file_and_line, set_fatal_function,
6148 check_lang_option): Constify a char*.
6149 (main): Prototype. Call return, not exit.
6151 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6153 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
6155 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
6157 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
6159 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
6161 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6163 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
6164 behave as if it's zero in all cases.
6165 (expand_function_start): Adjust call to assign_parms.
6166 * tree.h (assign_parms): Adjust prototype.
6167 * objc/objc-act.c (hack_method_prototype): Adjust call to
6170 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
6172 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
6173 arg_pointer_rtx fixed if the argument pointer register is
6175 (NONZERO_BASE_PLUS_P): Likewise.
6177 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
6179 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
6180 match_insn2 to match_insn.
6181 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
6183 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
6185 * Makefile.in (USER_H): Remove va-foo.h.
6187 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
6188 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
6189 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
6190 va-spur.h,va-v850.h}: Remove.
6192 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
6194 * sparc/sparc.md (eligible_for_return_delay): New attribute.
6195 (in_return_delay): Use it instead of match_insn.
6197 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6199 * config/alpha/va_list.h (va-alpha.h): Do not include.
6200 (__gnuc_va_list): Typedef as in varargs.h.
6202 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
6204 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
6205 DECL_LIVE_RANGE_RTL.
6207 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
6209 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
6210 not NOTE_BLOCK_NUMBER.
6211 (expand_eh_region_end): Likewise.
6212 (find_exception_handler_labels): Likewise.
6213 (scan_region): Likewise.
6214 (exception_optimize): Likewise.
6215 (update_rethrow_references): Likewise.
6216 (set_insn_eh_region): Likewise.
6217 * final.c (final_scan_insn): Likewise.
6218 * flow.c (make_edges): Likewise.
6219 * integrate.c (expand_inline_function): Likewise.
6220 * print-rtl.c (print_rtx): Likewise.
6222 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
6224 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
6225 terms of builtin functions and types.
6227 * mips.c (mips_build_va_list): New.
6228 (mips_va_start, mips_va_arg): New.
6229 * mips.h (BUILD_VA_LIST_TYPE): New.
6230 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
6232 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
6233 (sh_build_va_list, sh_va_start, sh_va_arg): New.
6234 * sh.h (BUILD_VA_LIST_TYPE): New.
6235 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
6237 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
6239 * recog.h (struct recog_data): Make dup_num, operand_address_p,
6240 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
6241 (struct insn_data): Likewise with n_operands, n_dups,
6242 n_alternatives, output_format.
6243 * regclass.c (scan_one_insn): Cast n_operands to int before
6244 arithmetic inside comparison.
6246 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
6248 * toplev.c (compile_function): Unconditionally emit nop.
6250 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6252 * haifa-sched.c (actual_hazard): Move declaration of variable
6253 `this_cost' into the scope where it is used.
6255 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6257 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
6258 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
6259 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
6261 * genrecog.c (make_insn_sequence): Call memset, not bzero.
6263 * jump.c (find_insert_position): Don't declare or define unless
6264 !HAVE_conditional_arithmetic.
6265 (returnjump_p_1, delete_prior_computation): Add static prototypes.
6267 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
6269 * recog.c (offsettable_address_p): Prototype function pointer.
6270 (preprocess_constraints): Call memset, not bzero.
6272 * tree.c (tree_node_kind_names): Constify a char*. Make static.
6273 (gcc_obstack_init): Don't declare.
6274 (fix_sizetype): Add static prototype.
6275 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
6276 (tree_cons): Call memset, not bzero.
6278 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
6279 definition in macro ASM_WEAKEN_LABEL.
6280 (mark_const_hash_entry): Add static prototype.
6282 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6284 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
6286 * unroll.c (find_common_reg_term, subtract_reg_term,
6287 loop_find_equiv_value): Add static prototypes.
6288 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
6289 (copy_loop_body): Remove unreachable break statement.
6291 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
6293 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
6295 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6297 Undo some changes from the gcc2 merge:
6298 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
6299 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
6303 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
6304 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6305 initialized float-int union if the value is a NaN.
6307 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
6309 * gthr-win32.h: New file.
6311 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
6312 shared as a valid attribute.
6313 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
6314 * extend.texi: Document `shared' variable attribute.
6316 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
6318 * configure.in: Handle --enable-threads on FreeBSD.
6319 * configure: Rebuit.
6321 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
6323 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
6325 * configure: Rebuilt.
6327 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
6328 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
6329 Rosimildo DaSilva <rdasilva@connecttel.com>
6331 * configure.in (m68k-*-rtemscoff*): Added.
6332 * configure.in (mips64orion-*-rtems*): Converted to ELF.
6333 * configure.in (sparc-*-rtemsaout*): Added as alias for old
6334 sparc-rtems configuration.
6335 * configure.in (sparc-*-rtemself*): Added.
6336 * configure.in (sparc-*-rtems*): Now ELF not a.out.
6337 * config/i386/rtems.h: Added comment.
6338 * config/sparc/rtemself.h: New file.
6340 * configure.in (m68k-rtemself): Added.
6341 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
6342 and DWARF_DEBUGGING_INFO.
6343 * config/m68k/crti.s: New file.
6344 * config/m68k/crtn.s: New file.
6345 * config/m68k/t-crtstuff: New file.
6346 * config/m68k/rtemself.h: New file.
6348 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
6349 global ctor/dtor and C++ exception handling.
6350 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
6351 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
6353 * config/i386/t-rtems-i386: New File.
6355 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
6357 * stmt.c (expand_end_case): Return right away if the case stack is
6360 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
6362 * Makefile.in (version.c): Remove rule incorrectly brought in from
6365 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
6367 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
6368 * msdos/top.sed: Take into account a prepended $(SHELL) to
6370 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
6372 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
6374 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6376 * regmove.c (fixup_match_1): Don't change an unchanging register.
6377 (stable_but_for_p): Renamed to:
6378 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
6379 Changed all callers.
6381 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
6383 * loop.c (strength_reduce): Don't call reg_used_between_p if the
6384 insn from BL2 is after the insn from BL.
6386 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
6388 * recog.h (INSN_OUTPUT_FORMAT_*): New.
6389 (struct insn_data): Merge `template' and `outfun' into `output'.
6390 Add `output_format'.
6391 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
6392 (struct data): Remove `outfun'; add `output_format'.
6393 (name_for_index): Remove declaration.
6394 (output_insn_data): Handle output formats.
6395 (process_template): Emit the bare array for @.
6396 (gen_expand, gen_split): Set output_format to NONE.
6397 * output.h (get_insn_template): Declare.
6398 * final.c (get_insn_template): New.
6399 (final_scan_insn): Use it.
6400 * toplev.c (compile_file): Likewise.
6402 * c4x/c4x.c (c4x_process_after_reload): Likewise.
6403 * i860/i860.c (output_delayed_branch): Likewise.
6404 (output_delay_insn): Likewise.
6406 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6408 * rtl.c (obstack_alloc_rtx): Removed.
6410 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
6412 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
6414 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
6416 * i386.c (call_insn_operand): Reject const_int.
6417 (expander_call_insn_operand): Use call_insn_operand.
6419 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6421 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
6423 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
6425 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
6426 Use DImode operation.
6428 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
6430 * gcc.c: Include sys/resource.h.
6431 (report_times): New flag.
6432 (execute): If report_times is set, calculate and report the
6433 CPU time consumed by each subprocess.
6435 (rus, prus): New globals.
6436 (option_map): Add --time.
6437 (display_help): Document -time.
6438 (process_command): Set report_times if -time is given.
6439 Turn off -pipe if -time is given.
6441 * invoke.texi: Document new option -time.
6443 * configure.in: Check for getrusage. Check if we have to
6444 prototype getrusage.
6445 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
6446 * configure: Regenerate.
6447 * config.in: Regenerate.
6449 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
6451 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
6454 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
6456 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
6457 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
6458 (nan): Return _thenan_sf or _thenan_df as appropriate.
6459 (L_thenan_sf): Define _thenan_sf.
6460 (L_thenan_df): Define _thenan_df.
6462 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
6463 (DPBIT_FUNCS): Add _thenan_df.
6465 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
6467 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
6470 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6472 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
6475 (lang_specific_driver): Don't take a function pointer parameter.
6476 All callers changed.
6478 * gcc.c: Include gcc.h.
6479 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
6480 lang_specific_extra_outfiles, fatal): Don't declare.
6481 (multilib_defaults_raw): Constify.
6482 (read_specs): Call memset, rather than bzero.
6483 (main): Call return, not exit.
6484 (lookup_compiler): Call memcpy, not bcopy.
6485 (fatal): Make extern.
6487 * cppspec.c: Include gcc.h.
6488 (lang_specific_driver): Initialize variable `quote'. Constify a
6489 char*. All calls to the function pointer parameter now
6490 explicitly call `fatal'.
6492 * gccspec.c (lang_specific_driver): Include gcc.h.
6494 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
6496 * arm.c (note_invalid_constants): Use recog_data.operand_type
6499 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6501 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
6504 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
6505 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
6506 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
6507 reload_secondary_in_reload, reload_secondary_out_reload,
6508 reload_secondary_in_icode, reload_secondary_out_icode,
6509 reload_reg_rtx, reload_when_needed): Delete declarations.
6510 (struct reload): New structure.
6511 (rld): Declare new array.
6512 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
6513 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
6514 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
6515 reload_secondary_in_reload, reload_secondary_out_reload,
6516 reload_secondary_in_icode, reload_secondary_out_icode,
6517 reload_reg_rtx, reload_when_needed): Delete definitions.
6519 (whole file): Replace uses of the deleted arrays with uses of rld.
6520 * reload1.c (whole file): Replace uses of the deleted arrays with
6522 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
6523 explicit loops, not with bcopy.
6525 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
6527 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
6528 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
6529 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
6530 insn_name): Delete and consolidate into new structures.
6531 (insn_operand_predicate_fn): New.
6532 (insn_output_fn): New.
6534 (struct insn_operand_data): New.
6535 (struct insn_data): New.
6537 (OUT_FCN): Update for insn_data change.
6538 * builtins.c (expand_builtin_strlen): Likewise.
6539 (expand_builtin_memcmp): Likewise.
6540 * combine.c (make_extraction, simplify_comparison): Likewise.
6541 * cse.c (canon_reg, cse_insn): Likewise.
6542 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
6543 * expmed.c (store_bit_field, extract_bit_field): Likewise.
6544 (emit_store_flag): Likewise.
6545 * expr.c (convert_move, emit_block_move): Likewise.
6546 (clear_storage, emit_push_insn, expand_increment): Likewise.
6547 (do_store_flag): Likewise.
6548 * expr.h (GEN_FCN): Likewise.
6549 (insn_gen_function): Die.
6550 * final.c (final_scan_insn): Update for insn_data change.
6551 (output_asm_name): Likewise.
6552 * function.c (fixup_var_refs_1): Likewise.
6553 * loop.c (check_dbra_loop): Likewise.
6554 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
6555 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
6556 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
6557 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
6558 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
6559 * regmove.c (gen_add3_insn): Likewise.
6560 * reload.c (push_secondary_reload, combine_reloads): Likewise.
6561 (find_reloads, find_reloads_address_1): Likewise.
6562 (debug_reload_to_stream): Likewise.
6563 * reload1.c (emit_reload_insns, gen_reload): Likewise.
6564 * stmt.c (expand_end_case): Likewise.
6565 * toplev.c (compile_file): Likewise.
6567 * c4x/c4x.c (c4x_process_after_reload): Likewise.
6568 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
6570 * print-rtl.c (insn_name_ptr): Remove declaration.
6571 (get_insn_name): Declare.
6572 (print_rtx): Use it.
6573 * genoutput.c (insn_name_ptr): Remove.
6574 (next_operand_number): New.
6575 (struct operand_data): New.
6576 (null_operand, odata, odata_end): New.
6577 (struct data): Use struct operand_data.
6578 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
6579 (get_insn_name): Renamed from name_for_index.
6580 (output_prologue): Define NO_MD_PROTOTYPES.
6581 (output_predicate_decls): Break out from output_epilogue.
6582 Iterate over the operands list.
6583 (output_operand_data): Break out from output_epilogue. Emit
6584 just the operands list.
6585 (output_insn_data): Break out from output_epilogue. Emit just
6587 (output_epilogue): Remove.
6588 (output_get_insn_name): New.
6589 (constraints, op_n_alternatives, predicates, address_p): Die.
6590 (modes, strict_low, seen): Die.
6591 (scan_operands): Take new param `d' instead of writing to
6592 seven global variables.
6593 (compare_operands): New.
6594 (place_operands): New.
6595 (validate_insn_alternatives): Update for struct data change.
6596 (gen_insn): Don't zero or copy 7 global arrays. Update for
6597 scan_operands; call place_operands.
6598 (gen_peephole, gen_expand, gen_split): Likewise.
6599 (main): Update for new output routines.
6601 * genattr.c (insn_name_ptr): Remove.
6602 (get_insn_name): New function.
6603 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
6604 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
6605 * genrecog.c: Likewise.
6607 * alpha.md (adddi3): Make `pattern' array static.
6609 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6611 * config/c4x/c4x.h (c4x_rpts_cycles_string,
6612 c4x_cpu_version_string): Constify char *.
6613 * config/c4x/c4x.c (c4x_rpts_cycles_string,
6614 c4x_cpu_version_string): Likewise.
6616 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
6618 * tree.c (save_tree_status): Revert 10 Sep change.
6619 (restore_tree_status): Likewise. Call obstack_free with NULL
6620 before freeing the obstack proper.
6622 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
6624 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
6626 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
6627 surrounding context.
6629 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
6631 * tree.c (type_hash_canon): Put all types in the hash-table, when
6634 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
6636 * recog.h (struct recog_data, recog_data): New.
6637 (recog_foo variables): Kill.
6638 * recog.c (recog_operand, recog_operand_loc): Kill.
6639 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
6640 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
6641 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
6642 (recog_data): Define.
6643 (extract_insn): Update all recog_foo references to use recog_data.
6644 (preprocess_constraints, constrain_operands): Likewise.
6645 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
6646 * genattrtab.c (main): Likewise.
6647 * genextract.c (main): Likewise.
6648 * genoutput.c: Likewise.
6649 * genrecog.c (write_subroutine, main): Likewise.
6650 * local-alloc.c (block_alloc): Likewise.
6651 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
6652 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
6653 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
6654 * reload.c (find_reloads, find_reloads_toplev): Likewise.
6655 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
6656 (reload_cse_simplify_operands): Likewise.
6658 * arc/arc.c (arc_final_prescan_insn): Likewise.
6659 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
6660 * h8300/h8300.c (notice_update_cc): Likewise.
6661 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
6662 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
6663 * mn10200/mn10200.c (notice_update_cc): Likewise.
6664 * mn10300/mn10300.c (notice_update_cc): Likewise.
6665 * romp/romp.c (update_cc): Likewise.
6666 * sparc/sparc.c (check_pic): Likewise.
6667 * v850/v850.c (notice_update_cc): Likewise.
6669 * genemit.c (main): Don't declare recog_operand.
6671 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
6673 * ggc.h (rtvec_def): Forward declare.
6674 (tree_node): Likewise.
6677 (ggc_set_mark_rtx): Add prototype.
6678 (ggc_set_mark_rtvec): Likewise.
6679 (ggc_set_mark_tree): Likewise.
6680 * ggc-simple.c (ggc_root): Don't define.
6681 (roots): Don't declare.
6682 (ggc_mark_rtx): Remove.
6683 (ggc_mark_rtvec): Likewise.
6684 (ggc_mark_tree): Likewise.
6685 (ggc_mark_varray): Likewise.
6686 (ggc_mark_tree_hash_table_entry): Likewise.
6687 (ggc_mark_tree_hash_table): Likewise.
6688 (ggc_set_mart_rtx): New function.
6689 (ggc_set_mark_rtvec): Likewise.
6690 (ggc_set_mark_tree): Likewise.
6691 (ggc_add_root): Remove.
6692 (ggc_add_rtx_root): Likewise.
6693 (ggc_remove_tree_root): Likewise.
6694 (ggc_add_string_root): Likewise.
6695 (ggc_add_tree_varray_root): Likewise.
6696 (ggc_add_tree_hash_table_root): Likewise.
6697 (ggc_del_root): Likewise.
6698 (ggc_mark_rtx_ptr): Likewise.
6699 (ggc_mark_tree_ptr): Likewise.
6700 (ggc_mark_string_ptr): Likewise.
6701 (ggc_mark_tree_varray_ptr): Likewise.
6702 (ggc_mark_tree_hash_table_ptr): Likewise.
6703 * ggc-common.c: New file.
6704 * Makefile.in (OBJS): Add ggc-common.o.
6705 (ggc-common.o): List dependencies.
6707 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
6709 * cppalloc.c (xstrdup): Use memcpy.
6710 * cpperror.c (cpp_print_containing_files): Don't use
6712 * cpplib.c (conditional_skip): Set temp->lineno.
6713 (do_endif): Make error message less obscure.
6714 (if_directive_name): New function.
6715 (cpp_get_token [case EOF]): Unwind the if stack and generate
6716 error messages for each unterminated conditional in this file.
6717 (parse_string): Do not behave differently if -traditional.
6719 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
6721 * builtins.c (expand_builtin_va_arg): Cope with an array-type
6722 va_list decomposing to pointer-type.
6723 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
6724 (rs6000_va_arg): Likewise.
6726 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
6728 * except.c (start_dynamic_handler): Compute size using
6729 STACK_SAVEAREA_MODE.
6731 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6733 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
6734 include directory headers. Don't define strrchr. Don't provide
6735 my_* replacement functions. Prefer PTR over `pointer_type'.
6736 Don't prototype system functions. Don't redefine getopt.
6738 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
6739 safe_read, safe_write, save_pointers, restore_pointers,
6740 is_id_char, in_system_include_dir, directory_specified_p,
6741 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
6742 find_corresponding_lparen, referenced_file_is_newer,
6743 save_def_or_dec, munge_compile_params, gen_aux_info_file,
6744 process_aux_info_file, identify_lineno, check_source,
6745 seek_to_line, forward_to_next_token_char, output_bytes,
6746 output_string, output_up_to, other_variable_style_function,
6747 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
6748 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
6749 find_static_definition, connect_defs_and_decs, add_local_decl,
6750 add_global_decls, needs_to_be_converted, visit_each_hash_node,
6751 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
6752 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
6753 scan_for_missed_items, edit_file, string_list_cons): Add static
6755 (standard_exec_prefix, target_machine, target_version,
6756 default_syscalls_dir, string_list, string_list_cons, find_file,
6757 do_cleaning): Constify a char*.
6758 (safe_read, safe_write): Use PTR, not a char*.
6759 (is_id_char): Take an int, not a char.
6760 (main): Add prototype. Call return, not exit.
6762 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
6764 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
6765 when comparing types.
6767 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
6769 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
6770 (strength_reduce): Release the varrays from the no-bivs early exit.
6772 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
6773 the loop over the registers.
6775 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
6777 (restore_tree_status): Check that instead when freeing the obstack.
6779 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
6781 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
6784 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6786 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
6787 operand size modifiers.
6789 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6791 * c-common.c (c_common_nodes_and_builtins): Don't build
6793 * c-common.h (enum c_tree_index and related accesor macros): Remove
6794 everything now declared in tree.h.
6795 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6796 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
6797 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
6798 (error_mark_node, void_type_node, char_type_node, integer_type_node,
6799 unsigned_type_node, ptr_type_node, va_list_type_node,
6800 integer_zero_node, null_pointer_node, integer_one_node): Delete.
6801 (init_decl_processing): Call build_common_tree_nodes and
6802 build_common_tree_nodes_2 instead of building their nodes here.
6803 Don't add roots for these nodes.
6804 * stor-layout.c (size_zero_node, size_one_node): Delete.
6805 (set_sizetype): Make a new node for bitsizetype each time.
6806 * tree.c (global_trees): New variable.
6807 (init_obstacks): Add a gc root for it.
6808 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6809 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
6810 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
6811 (build_common_tree_nodes): New function.
6812 (fix_sizetype): New function.
6813 (build_common_tree_nodes_2): New function.
6814 * tree.h (enum tree_index): New.
6815 (global_trees): Declare.
6816 Add accessor macros for all nodes now moved to global_trees.
6817 Delete their declarations.
6819 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
6821 * c-decl.c (finish_function): When processing a nested function,
6822 push and pop GC context around rest_of_compilation.
6824 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
6826 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
6827 Default ix86_arch to PROCESSOR_I386.
6828 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
6829 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
6830 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
6831 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
6832 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
6833 (EXTRA_SPECS): Remove deleted specs.
6835 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
6837 * function.c (assign_stack_local_1): Allocate from
6838 function->x_frame_offset, not frame_offset.
6840 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
6842 * ggc.h (lang_cleanup_tree): Remove.
6843 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
6844 * ggc-callbacks.c (lang_cleanup_tree): Remove.
6846 * c-decl.c (finish_struct): Use ggc_alloc to allocate
6847 TYPE_LANG_SPECIFIC when garbage collecting.
6848 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
6849 (lang_cleanup_tree): Remove.
6851 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
6853 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
6854 * crtstuff.c: Not here.
6855 * dwarf2out.c: Or here.
6856 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
6859 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
6861 * function.h (free_after_compilation): Remove decl parameter.
6862 (free_varasm_status0: Likewise.
6863 (free_emit_status): Likewise.
6864 (free_stmt_status): Likewise.
6865 (free_after_compilation): Likewise.
6866 (init_lang_status): New variable.
6867 (free_lang_status): Likewise.
6868 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
6869 * function.c (init_lang_status): New variable.
6870 (free_lang_status): Likewise.
6871 (push_function_context_to): Don't set function::decl here.
6872 (free_after_copmilation): Make decl parameter implicit. Call
6873 free_lang_status if defined.
6874 (prepare_function_start): Call init_lang_status if defined.
6875 (init_function_start): Set function::decl here.
6876 * profile.c (output_func_start_profiler): Don't call pushdecl
6877 until we've actually started the function.
6878 * stmt.c (free_stmt_status): Make decl parameter implicit.
6879 * toplev.c (rest_of_compilation): Don't pass decl to
6880 free_after_compilation.
6881 * varasm.c (free_varasm_status): Likewise.
6883 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6885 * except.c (call_get_eh_context): Add root when allocating static
6888 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
6890 * arm.c: Include "ggc.h".
6891 (arm_add_gc_roots): New function.
6892 (arm_override_options): Call it.
6893 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
6895 * arm.md (define_asm_attributes): Add a pool_range attribute.
6897 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
6899 * extend.texi (Volatiles): New node.
6901 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
6903 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
6904 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
6905 (struct ggc_any): Replace `mark' with `magic_mark'.
6906 (ggc_alloc_string): Use memcpy, not bcopy.
6907 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
6908 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
6909 (ggc_free_any): New.
6910 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
6911 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
6912 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
6913 Use IS_MARKED. Use ggc_free_any.
6915 1999-09-09 Scott Bambrough <scottb@netwinder.org>
6917 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
6919 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
6921 * toplev.c (main): Always init_ggc.
6923 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
6925 * except.c (find_all_handler_type_matches): Free the list if
6926 we found no matches.
6928 * combine.c (SUBST): Break out to a real function do_SUBST.
6929 (SUBST_INT): Likewise.
6930 * gcse.c (free_pre_mem): Free `temp_bitmap'.
6931 (pre_insert): Free `inserted'.
6932 * loop.c (basic_induction_var): Always set `location'.
6934 * function.c (expand_function_end): Add initial_trampoline as a root.
6935 * rtl.h (init_varasm_once): Declare.
6936 * toplev.c (compile_file): Call it.
6937 * ggc-simple.c (ggc_mark_string_ptr): New.
6938 (ggc_add_string_root): New.
6939 (ggc_collect): Disable collection avoidance temporarily.
6940 * ggc.h (ggc_add_string_root): Declare.
6941 * except.c (create_rethrow_ref): Use ggc_alloc_string.
6942 * optabs.c (init_libfuncs): Likewise.
6943 * varasm.c (named_section): Use ggc_alloc_string.
6944 (make_function_rtl): Likewise.
6945 (make_decl_rtl): Likewise.
6946 (assemble_static_space): Likewise.
6947 (assemble_trampoline_template): Likewise.
6948 (output_constant_def): Likewise.
6949 (force_const_mem): Likewise.
6950 (mark_const_hash_entry): New.
6951 (mark_pool_sym_hash_table): New.
6952 (mark_varasm_state): Use it.
6953 (init_varasm_once): New.
6955 * expr.h (init_one_libfunc): Declare.
6956 * optabs.c (init_one_libfunc): New.
6957 (init_optabs): Use it.
6958 * config/gofast.h: Likewise.
6959 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
6960 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
6962 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
6964 * Makefile.in (cppexp.o): Depend on cpphash.h.
6965 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
6967 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
6968 * cpplib.c (do_define): Generalise to handle poisoned definitions,
6969 redefining poisoned identifiers, etc.
6970 (do_undef): Don't allow poisoned identifiers to be undefined.
6971 (do_pragma): Add #pragma poison.
6972 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6974 * cccp.c: Add T_POISON node type.
6975 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
6977 (do_define): Generalise to handle poisoned definitions,
6978 redefining poisoned identifiers, etc.
6979 (do_undef): Don't allow poisoned identifiers to be undefined.
6980 (do_pragma): Add #pragma poison.
6981 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6983 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
6984 * c-pragma.h: Add ps_poison state. We now always have generic
6987 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
6989 * ggc.h (ggc_alloc): New function.
6990 (ggc_mark): Likewise.
6991 * ggc-simple.c (ggc_any): New structure.
6992 (ggc_status): Add anys.
6993 (n_anys_collected): New variable.
6994 (ggc_alloc): Define.
6995 (ggc_mark): Likewise.
6996 (ggc_collect): Collect the anys.
6998 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7000 * c-decl.c (mark_binding_level): Make static to match prototype.
7002 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
7004 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
7006 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
7008 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
7009 will use into account. Expand the max width to 5.
7012 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
7014 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
7017 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
7019 * alpha.md (call value patterns): Remove the result predicates.
7021 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
7023 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
7026 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7028 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
7029 changed from extern char *, to extern PTR. Also fix typo in
7030 NEED_DECLARATION_REALLOC test.
7032 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
7034 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7036 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
7037 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
7038 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
7039 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
7041 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
7043 * cccp.c (pcfinclude): Likewise.
7045 * global.c (allocno_compare): Likewise.
7047 * haifa-sched.c (rank_for_schedule): Likewise.
7049 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
7051 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
7053 * stupid.c (stupid_reg_compare): Likewise.
7055 * tree.c (_obstack_allocated_p): Likewise.
7057 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
7059 1999-09-08 Bruce Korb autogen@linuxbox.com
7061 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
7062 why "gperf -F" fails.
7063 * gcc/cp/Makefile.in: ditto
7064 * gcc/Makefile.in: ditto
7065 * gcc/java/Makefile.in: ditto
7067 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
7069 * lists.c: Include ggc.h.
7071 (init_EXPR_INSN_LIST_cache): Install it.
7073 * ggc-simple.c (init_ggc): Absorb the old init.
7074 (ggc_push_context): Use xcalloc.
7075 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
7076 (ggc_collect): Add [rvts] tags to the collection stats.
7078 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
7080 * cccp.c (main): Fix handling of -include and -imacros options.
7082 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
7084 * cpplib.c (cpp_push_buffer): Fix order of arguments.
7086 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
7088 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
7091 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
7093 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
7094 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
7095 and SET_DEST. Update comment.
7097 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7099 * config/c4x/c4x.c: Include ggc.h.
7100 (c4x_add_gc_roots): New function.
7101 (c4x_override_options): Call c4x_add_gc_roots.
7103 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
7105 * defaults.h (TARGET_ESC): Move ...
7106 * system.h: ... here, where Linas had it in the first place. Silly me.
7108 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
7110 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
7111 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
7112 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
7113 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
7114 * defaults.h (TARGET_ESC): Add default.
7116 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
7118 * configure.in: add i370-*-openedition, i370-*-mvs and
7119 i370-*-linux targets
7121 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
7123 * dsp16xxx.c: Include ggc.h
7124 (override_options): Mark GC roots.
7125 * mn10200.c: Include ggc.h.
7126 (asm_file_start): Mark GC roots.
7127 * tahoe.c: Include ggc.h.
7128 (extensible_operand): Mark GC roots.
7130 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
7132 * README: Add section discussing status of ELF ABI.
7133 * i370.c: Fix misc spelling mistakes.
7134 (i370_label_scan): Updated notes, exception handling.
7135 (i370_function_prolog): Simplify ELF stack handling.
7136 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
7137 (STACK_GROWS_DOWNWARD): ELF stack grows down.
7138 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
7139 * i370.md: (movdi): Add notes.
7140 (floatsidf2): Use stack not rtca for scratch float area.
7141 (iorsi3): Correct operand constraints.
7142 * x-oe: Restore TAROUTOPTS which are used by pax.
7144 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
7146 * rs6000.c: Include ggc.h.
7147 (rs6000_add_gc_roots): New function.
7148 (override_options): Call it.
7150 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
7152 * alpha.h (alpha_compare): New.
7153 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
7154 * alpha.c: Likewise for the definitions.
7155 (alpha_emit_conditional_branch): Update for alpha_compare.
7156 (alpha_emit_conditional_move): Likewise.
7157 * alpha.md (cmpdf, cmpdi): Likewise.
7158 (setcc patterns): Likewise. Zero alpha_compare after use.
7159 (sne): Optimize (x != 0) into (0U < x).
7161 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
7163 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
7164 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
7165 (INIT_EXPANDERS): Remove.
7166 * alpha.c: Include ggc.h.
7167 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
7168 (alpha_init_machine_status, alpha_mark_machine_status): New.
7169 (override_options): Install them.
7170 (struct machine_function): Moved to alpha.h.
7171 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
7172 (alpha_init_expanders): Remove.
7173 (alpha_return_addr): Adjust to use current_function->machine.
7174 (alpha_ra_ever_killed): Likewise.
7175 (alpha_expand_epilogue): Likewise.
7176 * alpha.md (eh_epilogue): Likewise.
7178 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
7179 Melissa O'Neill <oneill@cs.sfu.ca>
7180 Geoffrey Keating <geoffk@cygnus.com>
7182 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
7183 call-used registers (call-saved registers must still be contiguous
7184 and end with r31, of course).
7186 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
7188 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
7189 (self_promoting_type_p): Delete.
7190 (self_promoting_args_p): Move ...
7191 * c-common.c: ... here.
7192 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
7193 (simple_type_promotes_to): New.
7194 * builtins.c (lang_type_promotes_to): New.
7195 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
7196 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
7197 * c-common.h: ... here.
7198 (self_promoting_args_p, simple_type_promotes_to): Declare.
7199 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
7200 (grokdeclarator): Likewise.
7201 * tree.h (lang_type_promotes_to): Declare.
7203 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
7205 Add some machine-dependent GC roots.
7206 * sparc.c: Include ggc.h.
7207 (sparc_add_gc_roots): New function.
7208 (mark_ultrasparc_pipeline_state): Likewise.
7209 (override_options): Call sparc_add_gc_roots.
7210 * pa.c: Include ggc.h.
7211 (pa_add_gc_roots): New function.
7212 (mark_deferred_plabels): Likewise.
7213 (override_options): Call pa_add_gc_roots.
7214 * mips.c: Include ggc.h.
7215 (mips_add_gc_roots): New function.
7216 (override_options): Use it.
7218 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7220 * cpperror.c (cpp_file_line_for_message): Constify a char*.
7222 * cppexp.c (parse_number, parse_charconst, cpp_lex,
7223 cpp_parse_expr): Add static prototypes.
7224 (parse_charconst): Don't cast away const-ness.
7225 (token): Constify a char*.
7227 * cppfiles.c (file_name_list, include_hash, find_include_file,
7228 finclude, initialize_input_buffer): Constify a char*.
7229 (file_cleanup, find_position): Add static prototypes.
7231 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
7232 collect_expansion): Add static prototypes.
7233 (cpp_install, create_definition, monthnames): Constify a char*.
7235 * cpphash.h (cpp_install): Likewise.
7237 * cppinit.c (known_suffixes, default_include,
7238 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
7239 (base_name, dump_special_to_buffer, initialize_dependency_output):
7240 Add static prototypes.
7242 * cpplib.c (my_strerror): Constify a char*.
7243 (null_underflow, null_cleanup, skip_comment, copy_comment,
7244 copy_rest_of_line, handle_directive, pass_thru_directive,
7245 get_directive_token, read_line_number, cpp_print_file_and_line,
7246 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
7247 v_cpp_warning_with_line, detect_if_not_defined,
7248 consider_directive_while_skipping): Add static prototypes.
7249 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
7250 cpp_pedwarn_with_file_and_line): Constify a char*.
7252 * cpplib.h (cpp_options, include_hash, progname, definition,
7253 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
7254 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
7255 find_include_file, deps_output, include_hash): Constify a char*.
7257 * cppmain.c (progname): Constify.
7258 (main): Add prototype. Use return, not exit.
7260 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
7261 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
7262 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
7263 check_protection): Add static prototype.
7265 (progname, recognized_macrom, recognized_extern): Constify a char*.
7266 (main): Add prototype.
7268 * gen-protos.c (progname): Constify a char*.
7270 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
7272 * emit-rtl.c (free_emit_status): Take decl as a parameter.
7273 (init_emit_once): Add more GC roots.
7274 * except.c (mark_func_eh_entry): New function.
7275 (mark_eh_node): Mark false_label and rethrow_label.
7276 (init_eh): Add more GC roots.
7277 * function.c (free_after_compilation): Take decl as a paramter.
7278 Call free_stmt_status.
7279 (mark_function_state): Don't assume x_parm_reg_stack_loc is
7281 * function.h (free_after_compilation): Change prototype.
7282 (free_varasm_status): Likewise.
7283 (free_emit_status): Likewise.
7284 (free_stmt_status): New function.
7285 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
7286 Remove, replacing with ...
7287 (ggc_status): New structure.
7288 (ggc_chain): New variable.
7290 (ggc_push_context): New function.
7291 (ggc_pop_context): Likewise.
7292 (ggc_alloc_rtx): Adjust for use of ggc_chain.
7293 (ggc_alloc_rtvec): Likewise.
7294 (ggc_alloc_tree): Likewise.
7295 (ggc_alloc_string): Likewise.
7296 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
7297 (ggc_mark_tree): Give language-dependent code a chance to mark
7299 (ggc_mark_tree_varray): Handle empty arrays.
7300 (ggc_collect): Adjust for use of ggc_chain. Clear
7301 bytes_alloced_since_last_gc.
7302 * ggc.h (ggc_pop_context): New function.
7303 (ggc_push_context): Likewise.
7304 * print-tree.c (print_node): Don't print obstacks when GC'ing.
7305 * stmt.c (free_stmt_status): New function.
7306 (init_stmt_for_function): Clear last_expr_value.
7307 * toplev.c (rest_of_compilation): Always call free_after_compilation.
7308 Conditionalize call to ggc_collect.
7309 (main): Call init_ggc.
7310 * tree.c (push_obstacks): Do the push, even when GC'ing.
7311 (push_obstacks_nochange): Likewise.
7312 (pop_obstacks): Liekwise.
7313 * varasm.c (free_varasm_status): Take decl as a parameter.
7315 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
7317 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
7318 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
7319 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
7320 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
7322 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
7324 * pa/x-pa-mpeix: New file for the MPE port.
7326 * pa/quadlib.asm: New file for long double support.
7328 * configure.in: Add hppa1.0-*-mpeix for MPE port.
7329 * configure: Rebuilt.
7331 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
7333 * final.c (shorten_branches): Fix last change.
7335 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
7337 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
7339 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
7341 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
7344 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7346 * c-aux-info.c (concat): Don't define.
7348 * cccp.c (my_strerror): Likewise. All callers changed to use
7350 (do_include): Call xstrdup, not xmalloc/strcpy.
7351 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
7352 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
7354 * collect2.c (my_strsignal): Likewise. All callers changed to use
7356 (locatelib): Call xstrdup, not xmalloc/strcpy.
7358 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
7360 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
7362 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
7364 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
7366 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
7368 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
7370 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
7372 (find_all_handler_type_matches): Likewise. Don't check return
7374 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
7375 xmalloc, not malloc.
7376 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
7378 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
7379 (init_spec): Call xcalloc, not xmalloc/bzero.
7380 (set_spec): Call xstrdup, not save_string.
7381 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
7382 (find_a_file): Call xstrdup, not xmalloc/strcpy.
7383 (process_command): Call xstrdup, not save_string.
7384 (main): Call xcalloc, not xmalloc/bzero.
7386 * gcov.c (xmalloc): Don't define.
7387 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
7388 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
7389 (output_data): Call xcalloc, not xmalloc/bzero.
7391 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
7393 * mips-tdump.c (xmalloc): Don't define.
7394 (print_symbol): Call xmalloc, not malloc.
7395 (read_tfile): Call xcalloc, not calloc.
7397 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
7398 Don't define. All callers of xfree/my_strsignal changed to use
7399 free/strsignal instead.
7400 (allocate_cluster): Call xcalloc, not calloc.
7402 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
7403 Fix memory leak, free allocated memory.
7405 * prefix.c (translate_name): Call xstrdup, not save_string.
7406 (update_path): Likewise.
7408 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
7410 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
7411 Don't define. Callers of xfree/savestring2 changed to use
7412 free/concat instead.
7414 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
7415 (init_elim_table): Likewise.
7417 * resource.c (init_resource_info): Likewise.
7419 * stupid.c (stupid_life_analysis): Likewise.
7421 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
7422 (open_dump_file): Call concat, not xmalloc/strcpy/...
7423 (clean_dump_file): Likewise.
7424 (compile_file): Call xstrdup, not xmalloc/strcpy.
7426 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
7428 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
7429 * v850.c (v850_va_arg): New.
7431 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7433 * haifa-sched.c: Tidy comments.
7435 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7437 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
7438 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
7439 $(out_object_file)): Depend on ggc.h.
7440 * c-common.c: Include "ggc.h".
7441 (combine_strings): If doing GC, use ggc_alloc_string.
7442 * c-decl.c: Include "ggc.h".
7443 (ggc_p): Define with value 0.
7444 (mark_binding_level): New function.
7445 (init_decl_processing): Add GC roots.
7446 (mark_c_function_context): New function.
7447 (lang_mark_false_label_stack): New function.
7448 (lang_mark_tree): New function.
7449 (lang_cleanup_tree): New function.
7450 * c-lang.c: Include "ggc.h".
7451 (lang_init): Call c_parse_init.
7452 * c-lex.c: Include "ggc.h".
7453 (check_linenum): If doing GC, don't copy filenames to permanent
7455 * c-parse.in: Include "ggc.h".
7456 (c_parse_init): New function.
7457 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
7458 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
7460 * except.c (mark_eh_state): Mark more state.
7461 * function.c (mark_function_state): Likewise.
7462 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
7463 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
7464 * toplev.c (mark_file_stack): New function.
7465 (compile_file): If doing GC, use ggc_alloc_string on input filename.
7466 (main): Add root for input_file_stack.
7468 * i386.c: Include "ggc.h".
7469 (ix86_mark_machine_status): New function.
7470 (override_options): Set mark_machine_status.
7472 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7474 * tree.c (copy_node): Copy node contents also if doing GC.
7476 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
7478 * collect2.c (scan_libraries): Fix double-thinko :-).
7480 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
7482 * collect2.c (scan_libraries): Fix thinko.
7484 * cse.c (delete_trivially_dead_insns): Do not skip the last
7485 insn if it is a real insn.
7487 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
7489 * Makefile.in (ggc-simple.o): Depend on hash.h.
7490 * ggc.h (ggc_add_tree_hash_table_root): Declare.
7491 (ggc_mark_tree_varray): Likewise.
7492 (ggc_mark_tree_hash_table): Likewise.
7493 * ggc-simple.c: Include hash.h.
7494 (ggc_mark_tree_hash_table_ptr): New function.
7495 (ggc_mark_tree_hash_table_entry): Likewise.
7496 (ggc_mark_tree_hash_table): Likewise.
7497 (ggc_add_tree_hash_table_root): Likewise.
7498 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
7499 rtx, when defining fields.
7501 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7503 * profile.c (output_func_start_profiler): Remove apparently
7504 nonsensical call to start_sequence.
7506 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
7508 * clipper/clipper.c (clipper_va_start): Fix typos.
7510 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
7511 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
7512 (spur_va_arg): New stub.
7514 * configure.in: Comment out pyramid.
7516 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
7518 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
7519 don't conflict with the bits that win32, cygwin, and dgux
7522 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
7523 Bernd Schmidt <bernds@cygnus.co.uk>
7525 * integrate.c (function_cannot_inline_p): Do not inline
7526 functions with forced labels.
7528 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
7529 Bernd Schmidt <bernds@cygnus.co.uk>
7530 Mark Mitchell <mark@codesourcery.com>
7532 * Makefile.in (ggc-simple.o): Depend on varray.h.
7533 (rtl.o): Depend on ggc.h.
7534 (genattrtab.o): Depend on ggc.h.
7535 (print-tree.o): Likewise.
7536 (fold-const.o): Likewise.
7537 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
7538 (make_insn_raw): Don't cache insns when GC'ing.
7539 (emit_insn_before): Likewise.
7540 (emit_insn_after): Likewise.
7541 (emit_insn): Likewise.
7542 (start_sequence): Use xmalloc to allocate the sequence_stack.
7543 (end_sequence): Add free to free it.
7544 (gen_sequence): Don't cache insns when GC'ing.
7545 (clear_emit_caches): Don't use sequence_element_free_list.
7546 (init_emit): Use xcalloc, not xmalloc+bzero.
7547 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
7548 * function.c (pop_function_context_from): Use free to free the
7549 fixup_var_refs_queue.
7550 (put_reg_into_stack): Allocate it with xmalloc.
7551 * genattrtab.c: Include ggc.h.
7552 (operate_exp): Don't use obstack_free when GC'ing.
7553 (simplify_cond): Likewise.
7554 (simplify_text_exp): Likewise.
7555 (optimize_attrs): Likewise.
7556 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
7558 (gencode): Generate a #include for ggc.h.
7559 * ggc-callbacks.c (ggc_p): Define it to zero.
7560 * ggc-none.c (ggc_p): Likewise.
7561 * ggc-simple.c: Include varray.h.
7562 (ggc_mark_tree_varray): New function.
7563 (ggc_add_tree_varray_root): Likewise.
7564 (ggc_mark_tree_varray_ptr): Likewise.
7565 * ggc.h (ggc_p): Declare.
7566 (varray_head_tag): Likewise.
7567 (ggc_add_tree_varray_root): Declare.
7568 * print-tree.c (print_node): Don't check for TREE_PERMANENT
7569 inconsistencies when GC'ing.
7570 * rtl.c: Include ggc.h.
7571 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
7572 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
7573 (rtx_free): Don't call obstack_free when GC'ing.
7574 * toplev.c (rest_of_compilation): Call ggc_collect after every
7576 * tree.c (push_obstacks): Do nothing, if GC'ing.
7577 (pop_obstacks_nochange): Likewise.
7578 (pop_obstacks): Likewise.
7579 (make_node): Use ggc_alloc_tree when GC'ing.
7580 (copy_node): Likewise.
7581 (get_identifier): Use ggc_alloc_string when GC'ing.
7582 (build_string): Likewise.
7583 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
7584 (tree_cons): Likewise.
7586 (type_hash_canon): Don't call obstack_free when GC'ing.
7588 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
7590 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
7591 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
7593 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
7594 Bernd Schmidt <bernds@cygnus.co.uk>
7595 Mark Mitchell <mark@codesourcery.com>
7597 * Makefile.in (stor-layout.o): Depend on ggc.h.
7598 (expr.o): Depend on ggc.h.
7599 (profile.o): Depend on ggc.h.
7600 (stor-layout.o): Depend on ggc.h.
7601 * emit-rtl.c (init_emit_once): Add gc roots.
7602 * expr.c: Include ggc.h.
7603 (emit_block_move): Add gc roots.
7604 (clear_storage): Likewise.
7605 * expr.h (init_stor_layout_once): New function.
7606 * profile.c: Include ggc.h.
7607 (init_arc_profiler): profiler_label is a root.
7608 * scan.c (make_sstring_space): Trust xrealloc to function
7609 correctly with first parameter NULL.
7610 * stor-layout.c: Include ggc.h.
7611 (set_sizetype): Add gc root.
7612 (init_stor_layout_once): New function.
7613 * toplev.c (compile_file): Call it.
7615 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
7616 Bernd Schmidt <bernds@cygnus.co.uk>
7617 Mark Mitchell <mark@codesourcery.com>
7619 * Makefile.in (tree.o): Depend on ggc.h.
7620 (varasm.o): Likewise.
7621 (function.o): Likewise.
7623 (except.o): Likewise.
7624 (optabs.o): Likewise.
7625 (emit-rtl.o): Likewise.
7626 * emit-rtl.c: Include ggc.h.
7627 (sequence_element_free_list): Remove, and all references.
7628 (mark_sequence): New functions.
7629 (mark_emit_state): New function.
7630 * except.c: Include ggc.h.
7631 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
7632 (mark_tree_label_node): New functions.
7633 (mark_eh_state): New function.
7634 * function.c: Include ggc.h.
7635 (mark_temp_slot, mark_function_chain): New functions.
7636 (mark_function_state): New function.
7637 (init_function_once): New function.
7638 * function.h (init_function_once): New function.
7639 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
7640 * ggc.h (label_node): Declare.
7641 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
7642 (lang_mark_false_label_stack): New function.
7643 (mark_temp_slot): Remove declaration.
7644 (mark_function_chain): Likewise.
7645 (mark_eh_state): Adjust prototype.
7646 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
7648 * optabs.c: Include ggc.h.
7649 (mark_optab): New function.
7650 (init_optabs): Add gc roots.
7651 * stmt.c: Include ggc.h.
7652 (mark_cond_nesting, mark_loop_nesting): New functions.
7653 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
7654 (mark_stmt_state): New function.
7655 * toplev.c (compile_file): Call init_function_once.
7656 * tree.c: Include ggc.h.
7657 (type_hash): Move declaration earlier in file.
7658 (TYPE_HASH_SIZE, type_hash_table): Likewise.
7659 (init_obstacks): Add gc roots.
7660 (mark_type_hash): New function.
7661 * varasm.c: Include ggc.h.
7662 (mark_pool_constant): New function.
7663 (mark_varasm_state): New function.
7665 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7667 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
7669 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7671 * c-decl.c (struct language_function): Renamed from struct c_function.
7673 (c_function_chain): Delete.
7674 (push_c_function_context): New arg F. Don't warn about nested
7675 functions here. Fill LANGUAGE elt of F. Delete code to update
7676 c_function_chain. Don't call push_function_context.
7677 (pop_c_function_context): New arg F. Restore from there instead of
7678 from c_function_chain. Don't call pop_function_context. Clear out
7679 LANGUAGE field of F when done.
7680 * c-lang.c: Include "function.h"
7681 (lang_init): Initialize save_lang_status and restore_lang_status.
7682 * c-parse.in (nested_function, nested_function_notype): Warn about
7683 nested functions. Call push_function_context/pop_function_context
7684 instead of the _c_ variants.
7685 * c-tree.h (push_c_function_context, pop_c_function_context): Update
7687 * Makefile.in (c-lang.o): Update dependencies.
7689 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
7690 regno_pointer_flag, regno_pointer_align.
7691 (gen_reg_rtx): Use xrealloc to enlarge them.
7692 (free_emit_status): New function.
7693 * function.c (mark_machine_status, mark_lang_status): New variables.
7694 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
7695 in some bits from assign_stack_local. All callers changed to use new
7697 (assign_stack_local): Just call assign_stack_local_1.
7698 (free_after_compilation): New function.
7699 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
7700 (trampoline_address): Likewise.
7701 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
7702 (prepare_function_start): Explicitly clear some more variables.
7703 * function.h (struct function): New elt can_garbage_collect.
7704 (mark_machine_status, mark_lang_status): Declare variables.
7705 (free_after_compilation, free_emit_status, free_varasm_status,
7706 init_varasm_status): Declare functions.
7707 * toplev.c (rest_of_compilation): Call free_after_compilation when
7708 done with the current function.
7709 * varasm.c (free_varasm_status): New function.
7711 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
7713 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
7714 (EXPAND_BUILTIN_VA_ARG): Define.
7715 * sparc.c (sparc_va_start): New.
7716 (sparc_va_arg): New.
7718 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7720 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
7722 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7724 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
7726 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
7728 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
7730 (ggc-callbacks.o): New target.
7731 * ggc-callbacks.c: New file.
7733 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7735 * expr.h: Collapse individual optab and libfunc vars to arrays.
7736 (optab_index, libfunc_index): New enumerations.
7737 (optab_table, libfunc_table): New arrays.
7738 Add accessor macros for both.
7740 * optabs.c (optab_table, libfunc_table): New.
7741 Delete declarations for individual optab and libfunc vars.
7743 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
7745 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
7747 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
7749 * Makefile.in (GGC, GGC_LIB): New.
7750 (HOST_RTL): Include ggc-none.o.
7751 (ggc-simple.o): New target.
7752 (ggc-none.o): Likewise.
7753 * tree.h (tree_common): Add gc_mark.
7754 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
7755 (struct rtvec_def): Add gc_mark.
7756 * emit-rtl.c (global_rtl): Update static initializers to contain
7757 enough initializers.
7758 * ggc.h, ggc-none.c, ggc-simple.c: New files.
7759 * toplev.c (gc_time): New variable.
7760 (all_time): New variable.
7761 (compile_file): Print gc time.
7762 (print_time): Calculate percentage of the whole.
7764 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7766 Change obstack memory management and varasm constant pool handling so
7767 that nested functions are treated like any other functions.
7768 * function.c (init_machine_status): New variable.
7769 (push_function_context_to): Set contains_functions for the outer
7770 function. Don't call save_varasm_status.
7771 (pop_function_context_from): Don't call restore_varasm_status. Don't
7772 set current_function_contains_functions.
7773 (prepare_function_start): Call init_varasm_status rather than
7774 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
7776 * function.h (struct function) Add field varasm. Delete fields
7777 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
7778 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
7779 (init_machine_status): Declare.
7780 (save_varasm_status, restore_varasm_status): Delete declarations.
7781 (save_tree_status, restore_tree_status): Delete last argument.
7782 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
7783 code. All callers changed.
7784 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
7785 save_constants_in_decl_trees, restore_constants, save_constants,
7786 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
7788 (inlining): New variable.
7789 (reg_map, label_map, insn_map, orig_asm_operands_vector,
7790 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
7792 (save_for_inline_nocopy): Don't save constants.
7793 Don't set inl_emit field in current_function.
7794 (expand_inline_function): Use emit field, not inl_emit, of the inlined
7795 function. Set new variable inlining before
7796 calling copy_rtx_and_substitute.
7797 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
7798 constant pool references if inlining is nonzero.
7799 Delete ADDRESS and (most of the) CONST cases.
7800 (output_inline_function): Save and restore current_function/
7801 current_function_decl. Delete restore_constants code. Don't call
7802 init_const_rtx_hash_table.
7803 * output.h (init_const_rtx_hash_table): Don't declare.
7804 * rtl.h (struct function): Declare.
7805 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
7806 * toplev.c (rest_of_compilation): Don't treat nested functions or
7807 functions containing them specially. Delete all code to deal with
7808 save_for_inline_copying.
7809 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
7810 inline_obstacks): Delete variables.
7811 (save_tree_status): Lose arg CONTEXT. All callers changed.
7812 Simply allocate a new function_maybepermanent_obstack for the new
7813 function, delete all the special cases.
7814 Don't save inline_obstacks.
7815 (restore_tree_status): Lose arg CONTEXT. All callers changed.
7816 Delete special handling for function_maybepermanent_obstack; simply
7818 Don't restore inline_obstacks.
7819 (permanent_allocation): Delete code that frees inline_obstacks.
7820 (print_inline_obstack_statistics): Delete function.
7821 (dump_tree_statistics): Don't call it.
7822 * varasm.c (struct varasm_status): New.
7823 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
7824 last_pool, pool_offset, const_double_chain): Delete global
7825 variables, replace with accessor macros.
7826 (immed_double_const): Don't walk const_double_chain outside a
7827 function, but don't treat nested functions specially anymore.
7828 (immed_real_const_1): Likewise.
7829 (clear_const_double_mem): Don't treat nested functions specially.
7830 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
7831 (save_varasm_status, restore_varasm_status): Delete functions.
7832 (init_varasm_status): New function.
7833 (force_const_mem): Don't treat nested functions specially.
7834 (find_pool_constant): Accept new arg F, search for constants in
7835 that function's pool rather than the current one. All callers
7837 (get_pool_constant_for_function, get_pool_mode_for_function): New
7840 * i386.c (init_386_machine_status): New function, mostly from
7841 clear_386_stack_locals.
7842 (struct machine_functions): Rename element names to avoid name
7844 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
7845 macros, replacing global variables.
7846 (clear_386_stack_locals, save_386_machine_status,
7847 restore_386_machine_status): Delete functions.
7848 (override_options): Initialize init_machine_status.
7849 * i386.h (INIT_EXPANDERS): Delete macro.
7850 (save_386_machine_status, restore_386_machine_status,
7851 clear_386_stack_locals): Delete declarations.
7853 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7855 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
7856 (doloop_begin): Simplify pattern and use emit_jump_insn.
7857 (doloop_end): Simplify pattern, switch operand order,
7858 and use emit_jump_insn.
7860 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7862 * function.h (struct function): Add new element LANGUAGE.
7863 (save_lang_status): Declare new variable.
7864 (restore_lang_status): Likewise.
7865 * function.c (save_lang_status): Define.
7866 (restore_lang_status): Likewise.
7867 (push_function_context_to): Call language-specific save function.
7868 (pop_function_context_from): Call language-specific restore function.
7870 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
7872 * i386.md (movsf_1): Check REG_P before use of REGNO.
7873 (movdf_1): Likewise.
7874 (movxf_1): Likewise.
7875 (extendsfdf2): Likewise.
7876 (extendsfxf2): Likewise.
7877 (extenddfxf2): Likewise.
7879 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7881 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
7882 constants into memory.
7883 (c4x_shiftable_constant): New function.
7884 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
7885 (c4x_shiftable_constant): Declare.
7886 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
7887 ashlqi3_noclobber): Add new patterns and associated splitters.
7889 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
7891 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
7892 * dwarf2out.c (dwarf2out_frame_init): Likewise.
7893 * final.c (shorten_branches): Likewise.
7894 * global.c (global_alloc): Likewise.
7895 * haifa-sched.c (build_control_flow): Likewise.
7896 * stmt.c (check_for_full_enumeration_handling): Likewise.
7897 (estimate_case_costs): Likewise.
7899 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
7901 * rtl.h (RTL_CHECKC2): Fix typo in last change.
7903 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
7905 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
7906 (recompute_reg_usage): Likewise.
7907 * rtlanal.c (find_regno_fusage): Likewise.
7909 * rtl.c (rtl_check_failed_code1): New function.
7910 (rtl_check_failed_code2): New.
7911 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
7912 (RTL_CHECKC1, RTL_CHECKC2): New.
7913 (XC*): New accessor macros.
7914 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
7915 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
7916 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
7917 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
7918 (TRAP_*, RANGE_INFO_*): Likewise.
7920 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7922 * Makefile.in (tlink.o): Don't depend on toplev.h.
7924 * collect2.c (c_file, o_file, export_file, import_file, ldout,
7925 output_file, nm_file_name, ldd_file_name, strip_file_name,
7926 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
7927 add_prefix, prefix_from_env, prefix_from_string, do_wait,
7928 fork_execute, maybe_unlink, add_to_list,
7929 extract_init_priority, write_list, dump_list,
7930 dump_prefix_list, write_list_with_asm, write_c_file,
7931 write_c_file_stat, write_c_file_glob, scan_prog_file,
7932 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
7933 ignore_library, extract_string, notice, dump_file, target_machine,
7934 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
7935 read_file, print_load_command): Constify a char*.
7936 (fdopen, error, fatal, fatal_perror): Don't prototype.
7937 (my_strerror): Remove. All callers use xstrerror instead.
7938 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
7939 (main): Add prototype. Constify lots of char* ptrs. Change calls
7940 to xcalloc/strcpy/strcat/... to one call to concat.
7941 (main, scan_prog_file, scan_libraries): Use an intermediate
7942 `const char **' to build an argv array.
7943 (mapfile, libselect, libcompare, locatelib): Add prototypes.
7945 * collect2.h (collect_execute, collect_wait, dump_file,
7946 file_exists): Constify a char*.
7947 (ldout, c_file_name, temporary_obstack, permanent_obstack,
7948 temporary_firstobj, vflag, debug): Add extern declarations.
7949 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
7951 * tlink.c: Don't include toplev.h.
7952 (vflag, debug, ldout, c_file_name, temporary_obstack,
7953 permanent_obstack, temporary_firstobj): Don't declare.
7954 (tlink_execute, frob_extension, symbol_hash_lookup,
7955 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
7956 recompile_files, read_repo_files, demangle_new_symbols,
7957 scan_linker_output): Constify a char*.
7958 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
7959 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
7961 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
7963 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
7964 (relative) rather than jsr (absolute) subroutine call insns.
7965 * config/m68k/m68k-coff.h: Ditto.
7967 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
7969 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
7970 now rework these too.
7971 (arm_reorg): If an insn can't reach the end of the current pool,
7972 ensure that we emit that pool before the insn.
7974 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
7976 * tlink.c (scan_linker_output): Skip the initial underscore in
7977 a mangled name if appropriate.
7979 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7981 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
7982 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
7983 error_with_ivar, gen_declarator, create_builtin_decl,
7984 my_build_string, generate_descriptor_table, generate_ivars_list,
7985 generate_dispatch_table, check_protocols, TAG_GETCLASS,
7986 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
7987 dump_base_name, lang_decode_option, build_encode_expr,
7988 start_class, finish_class, encode_pointer, really_start_method,
7989 gen_declaration, dump_interface, handle_class_ref, handle_impent):
7991 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
7992 Add static prototypes.
7993 (build_objc_string_decl, build_selector_reference_decl,
7994 encode_bitfield, build_class_reference_decl): Remove unused
7995 parameter, all callers changed.
7996 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
7997 (objc_printable_name): Likewise. Change second parameter to type int.
7998 (init_objc): Use memcpy, not bcopy, to avoid casts.
8000 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
8002 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
8003 reg notes on a deleted insn.
8004 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
8006 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
8008 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
8010 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8012 * stmt.c (expand_asm_operands): Fix index into inout_mode when
8015 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
8017 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
8018 * tm.texi (MD_ASM_CLOBBERS): Document it.
8020 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
8022 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
8023 * except.c (expand_rethrow): Remove unused variable.
8024 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
8025 * flow.c (replace_insns): Likewise.
8026 (create_edge_list, verify_edge_list): Likewise.
8027 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
8029 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
8030 is special code to run.
8031 (main): Don't define operands to emit_operand.
8032 * genrecog.c (main): Don't emit an empty peephole2_insn function.
8034 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
8036 * alpha/alpha.h (normal_memory_operand): Declare.
8037 (reg_no_subreg_operand): Declare.
8038 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
8040 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
8042 * c-parse.in (compstmt_primary_start): New, broken out of first
8043 part of compstmt handling in primary.
8044 (primary): Use it. Add an error clause.
8045 (compstmt_nostart): Renamed from compstmt; remove all
8046 initial invocations of compstmt_start.
8049 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
8051 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
8054 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
8056 * combine.c (simplify_shift_const): Remove extra semicolon.
8057 * dwarf2out.c (remove_AT): Likewise.
8058 * expmed.c (expand_mult): Likewise.
8059 * gcov.c (create_program_flow_graph): Likewise.
8060 * reorg.c (mostly_true_jump): Likewise.
8062 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
8064 * fold-const.c (fold_range_test): Do not try to fold the range
8065 test if the rhs or lhs has side effects.
8067 * combine.c (simplify_rtx): Recognize another case of a synthesized
8070 * varasm.c (mark_constant_pool): When marking indirect references,
8071 only look at SYMBOL_REFs.
8073 * except.c (expand_fixup_region_end): Do not peek at
8074 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
8076 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
8078 * flags.h: New variables align_loops, align_loops_log,
8079 align_jumps, align_jumps_log, align_labels, align_labels_log,
8080 align_functions, align_functions_log.
8081 * toplev.c: Define them.
8082 (f_options): Handle -falign-* when they have no argument.
8083 (main): Add logic to set variables for -falign-functions,
8084 -falign-jumps, -falign-labels, -falign-loops.
8085 Make it -fsched-verbose=<n> and -finline-limit=<n>.
8086 (display_help): Change help to match options.
8087 * final.c (LABEL_ALIGN): Default to align_labels_log.
8088 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
8089 (LOOP_ALIGN): Default to align_loops_log.
8090 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
8091 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
8092 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
8093 * varasm.c (assemble_start_function): Handle align_functions.
8095 * config/sparc/sparc.h: Don't declare sparc_align_*.
8096 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
8097 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
8099 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
8101 * config/sparc/sparc.c: Delete sparc_align_loops,
8102 sparc_align_jumps, sparc_align_funcs and the corresponding string
8104 (sparc_override_options): Default align_functions on ultrasparc.
8105 Delete -malign-* handling.
8107 * config/mips/mips.c (override_options): On 64-bit targets,
8108 try to align code to 64-bit boundaries.
8109 (print_operand): New substitution, %~,
8110 which aligns labels to align_labels_log.
8111 * config/mips/mips.md (div_trap_normal): Use %~.
8112 (div_trap_mips16): Likewise.
8117 (ashldi3_internal): Likewise.
8118 (ashrdi3_internal): Likewise.
8119 (lshrdi3_internal): Likewise.
8120 (casesi_internal): Likewise.
8122 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
8124 Merge new ia32 backend from the branch!
8126 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
8127 See ChangeLog.P2 on new_ia32_branch for details.
8129 * rtl.h (stack_regs_mentioned_p): Delete prototype.
8130 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
8131 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
8132 * i386/gas.h (ASM_FILE_START): Define.
8133 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
8134 for name change of ix86_valid_decl_attribute_p.
8135 (i386_pe_valid_type_attribute_p): Similarly.
8137 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
8139 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
8140 to step through CC modes.
8142 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8144 * regmove.c (fixup_match_1): Don't move INSN in front of P if
8145 it would end up in the shadow of a live flags regsiter.
8147 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8149 * reload1.c: Fix many indentation problems.
8150 * reload.c: Likewise.
8152 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
8154 * alias.c (non_local_reference_p): Constify fmt.
8156 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
8158 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
8160 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
8162 * cse.c (delete_trivially_dead_insns): Do not delete stores to
8163 the internal_arg_pointer.
8165 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
8167 Merge peephole2 from new_ia32_branch:
8168 * Makefile.in (STAGESTUFF): Add *.peephole2.
8169 (mostlyclean): Likewise.
8170 (recog.o): Depend on resource.h.
8172 * final.c (peephole): Conditionalize decl on HAVE_peephole.
8173 (final_scan_insn): Likewise for the invocation of peephole.
8174 * genconfig.c (main): Look for peephole and peephole2 patterns.
8175 Emit HAVE_peephole* accordingly.
8176 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
8177 * flags.h (flag_peephole2): Declare.
8178 * toplev.c: New pass peephole2. New flag -fpeephole2.
8180 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
8181 * gencodes.c (main): Likewise.
8182 * genextract.c (main): Likewise.
8183 * genoutput.c (main): Likewise.
8184 * genemit.c (max_operand_1): Look for the max scratch operand.
8185 (gen_rtx_scratch): New.
8186 (gen_exp): Use it, and pass on new arg subroutine_type.
8187 (gen_expand): Take max scratch into account.
8188 (gen_split): Emit peephole2 functions.
8189 (output_peephole2_scratch): New.
8190 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
8191 * genrecog.c (routine_type): Add PEEPHOLE2.
8193 (make_insn_sequence): Match outer parallel for peep2. Discard
8194 top level scratches and dups.
8195 (add_to_sequence): New args insn_type and top. Update all callers.
8196 Handle toplevel peep2 matching insns.
8197 (write_subroutine): Handle peep2.
8198 (write_tree_1): Likewise.
8199 (write_tree): Likewise.
8201 (change_state): New arg afterward. Update all callers.
8202 Handle matching separate insns.
8203 * recog.c (recog_next_insn): New.
8204 (peephole2_optimize): New.
8205 * rtl.def (DEFINE_PEEPHOLE2): New.
8206 * resource.c (find_free_register): New argument last_insn. Use it
8207 to find a register available through the entire span.
8208 * resource.h (find_free_register): Update prototype.
8210 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
8212 * i386.c (output_strlen_unroll): Don't write xops[7]
8213 label if it wasn't set.
8215 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
8217 * cpplib.c (struct directive): Const-ify name pointer and
8218 function pointer prototype.
8219 (validate_else, do_define, do_line, do_include, do_undef,
8220 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
8221 do_elif, do_endif, do_sccs, do_assert, do_unassert,
8222 do_warning): Const-ify second arg.
8223 (directive_table): Mark const. Reorder entries by frequency
8224 of usage, record statistics.
8226 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
8228 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
8229 bounds- check RTL accesses if --enable-checking.
8230 (RTVEC_ELT): Bounds check if --enable-checking.
8231 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
8232 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
8233 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
8235 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
8236 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
8238 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
8239 (NOTE_SOURCE_FILE): Use X0STR.
8240 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
8241 MEM_ALIAS_SET): Use X0INT.
8242 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
8243 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
8245 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
8246 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
8247 (rtl_check_failed_bounds, rtl_check_failed_type1,
8248 rtl_check_failed_type2, rtvec_check_failed_bounds): New
8250 (fancy_abort): Fix comment.
8252 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
8253 (cse_insn): Decrement LABEL_NUSES for jump target before
8255 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
8256 * final.c (alter_subreg): Compute regno before changing x to
8257 REG; set REGNO(x) after changing it.
8258 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
8259 notes containing CONST_INTs.
8260 (delete_eh_regions): Use NOTE_EH_HANDLER.
8261 * function.c (put_reg_into_stack): Make reg a MEM before
8263 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
8265 (gen_mem_addressof): Make reg a MEM before initializing it.
8266 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
8268 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
8269 deleting an insn, not after.
8270 (block_alloc): Only look at PATTERN(insn) if we have to, and
8271 only if it's format class 'i'.
8272 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
8273 CONST_INT before using its INTVAL.
8274 * print-rtl.c (print_rtx): Use X0STR.
8275 * regmove.c (fixup_match_1): Don't look at PATTERN of
8276 non-class-'i' insn chain elements.
8277 * reload.c (loc_mentioned_in_p): Take address of
8278 in->fld[1].rtx directly.
8279 * reload1.c (reload): Change reg to a MEM before initializing
8281 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
8283 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
8285 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
8287 * config/mips/mips.c (machine_dependent_reorg): Force a
8288 barrier to output the local constant pool if a barrier hasn't
8289 been found at a natural point in the instruction stream.
8291 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8293 * c-parse.in (language_string): Constify.
8295 * dwarf2out.c (language_string): Remove declaration.
8297 * dwarfout.c (language_string): Likewise.
8299 * toplev.c (language_string, init_parse, finish_parse): Likewise.
8301 * tree.h (language_string, init_parse, finish_parse): Declare.
8303 * i386/sun386.h (language_string): Remove declaration.
8305 * mips.h (language_string): Likewise.
8307 * nextstep.h (language_string): Likewise.
8309 * nextstep21.h (language_string): Likewise.
8311 * rs6000.c (language_string): Likewise.
8313 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8315 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
8316 (getpwd.o): Remove target.
8318 * getpwd.c: Delete file. Its in libiberty now.
8320 * dbxout.c (getpwd): Don't prototype.
8321 * dwarf2out.c (getpwd): Likewise
8322 * dwarfout.c (getpwd): Likewise
8323 * final.c (getpwd): Likewise.
8324 * protoize.c (getpwd): Likewise.
8326 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8328 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
8330 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
8332 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
8335 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
8337 * fixinc/Makefile.in (subdir): New.
8338 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
8341 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
8343 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
8344 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
8347 * invoke.texi: Fix typo.
8349 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
8350 changed. Handle autoincrement addressing modes.
8352 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
8353 just like we would the virtual incoming args register when
8356 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
8358 * rs6000.h (ASM_FILE_START): Specify complete filename, including
8359 path, in .file directive.
8361 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
8363 * gcc.texi (External Bugs): Remove obsolete note about Perl on
8366 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
8368 * stdbool.h: Make the typedef name _Bool, with bool a #defined
8371 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8373 * tree.c (tree_code_name): Constify a char*.
8375 * tree.h (tree_code_name, decl_printable_name): Likewise.
8377 * function.h (struct function): Likewise.
8379 * toplev.c (decl_name, decl_printable_name): Likewise.
8381 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
8383 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
8384 (init_objc): Remove function pointer cast.
8386 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
8388 * pa.md (interspace_jump): New pattern.
8389 (builtin_longjmp): New expander.
8391 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
8393 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
8394 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
8395 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
8397 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
8399 * jump.c (delete_prior_computation): Also check calls
8400 to constant functions. Don't bother checking for a
8401 REG_UNUSED note before adding it.
8402 (delete_computation): Handle multi-word hard registers
8403 when synthesizing missing REG_DEAD notes for a register
8404 which is both set and used by an insn.
8406 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8408 * loop.c (this_loop_info): New variable.
8409 (loop_has_call, loop_has_volatile, loop_has_tablejump,
8410 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
8412 (prescan_loop, strength_reduce): New argument loop_info. All callers
8414 (scan_loop): New variable loop_info, initialise to address of
8416 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
8417 Delete variable loop_has_multiple_exit targets and replace with
8418 field in this_loop_info.
8419 (find_and_verify_loops): Rename this_loop to this_loop_num.
8420 (strength_reduce): Delete loop_iteration_info. Replace variable
8421 loop_info with function argument of same name.
8422 (insert_bct): Rework test for loop being completely unrolled.
8424 * loop.h (struct loop_info): New fields num, loops_enclosed,
8425 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
8426 has_indirect_jump, and cont. Redefine use of unroll_number.
8427 (loop_unroll_number): Delete.
8429 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
8431 (loop_iterations): Delete variable vtop and instead use
8432 loop_info->vtop computed in prescan_loop.
8434 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
8436 * fix-header.c (main): Do not pass a null pointer to strcmp.
8438 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
8440 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
8442 * configure: Rebuilt.
8444 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
8446 * jump.c (jump_optimize_1): Do not delete assignments to
8447 internal_arg_pointer.
8448 * cse.c (delete_trivially_dead_insns): Always consider a set of
8449 the internal_arg_pointer live.
8451 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
8453 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
8454 (update_life_info) [REG_WAS_0]: Search the original insns rather
8455 than the new insns for the note. Fix typos finding note_dest.
8456 If no dest found, discard the note rather than abort.
8457 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
8458 (replace_insns): Remove the old insn list after update_life_info
8461 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
8463 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
8465 (sched_analyze_1): Let add_dependence care for not adding dups.
8466 (sched_analyze_2): Likewise.
8467 (add_branch_dependences): Likewise.
8469 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
8471 * i386/winnt.c (export_list): New type.
8472 (exports_head): Rename to
8473 (export_head): this.
8474 (i386_pe_record_exported_symbol): Add is_data flag.
8475 (i386_pe_asm_file_end): Emit directive for exported variables.
8476 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
8478 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
8479 (ASM_DECLARE_OBJECT_NAME): Likewise.
8480 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8481 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
8483 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
8485 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
8487 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
8490 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
8492 * config/openbsd.h: Define SET_ASM_OP.
8493 * tm.texi: cross-reference SET_ASM_OP in the index.
8495 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
8497 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
8498 for a CONST_DOUBLE, at compile time. Initialize rtx_length
8499 and class_narrowest_mode at compile time. Kill init_rtl.
8500 Mark rtx_length, mode_class, mode_size, mode_unit_size,
8501 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
8502 rtx_format as const. Kill all references to EXTRA_CC_MODES or
8504 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
8506 * rtl.h: Declare rtx_length and rtx_format as const.
8507 * machmode.def: Define CC(). Use CC() to define CCmode. If
8508 EXTRA_CC_MODES is defined, expand it here.
8509 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
8510 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
8511 const. Kill all references to EXTRA_CC_MODES.
8513 * toplev.c: Don't prototype or call init_rtl.
8514 * optabs.c: Don't call init_mov_optab.
8515 * genemit.c: Don't generate init_mov_optab. Don't call
8517 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
8519 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
8520 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
8521 genrecog.c: Don't call init_rtl.
8523 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
8524 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
8525 definition of EXTRA_CC_MODES.
8527 * md.texi: Kill ref to EXTRA_CC_NAMES.
8528 * tm.texi: Document new way to define EXTRA_CC_MODES.
8530 * genrecog.c: Do not look up the name of a define_split.
8533 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
8535 * config/v850/v850.md: Fix typo introduced by previous delta.
8537 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8539 * gcc.c (fatal): Make definition static to match prototype.
8541 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8543 * combine.c (get_last_value): Don't look for earlier sets if the last
8544 known set is somewhere in between the insns being combined.
8546 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
8548 * configure.in: Don't use shell ! to negate exit codes
8549 * configure: Regenerate
8551 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
8553 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
8554 the fact that ALIGN is measured in bits, not bytes.
8556 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
8558 * errors.c: New file; defines functions error, warning, and
8559 fatal, variables have_error and progname.
8560 * errors.h: New file; prototypes and decls for stuff in errors.c.
8562 * Makefile: Add rules to build errors.o and
8563 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
8564 genopinit, genrecog, genextract, genpeep, genattr, and
8565 genoutput with errors.o. Add errors.h to deps of genconfig.o,
8566 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
8567 genpeep.o, genattr.o, and genoutput.o.
8569 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
8570 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
8571 define or prototype fatal. Set progname at beginning of main.
8572 * genoutput.c: Likewise, and don't define or prototype error
8575 * c-typeck.c (c_expand_start_case): Return immediately if exp
8577 * fold-const.c (operand_equal_p): Return immediately if arg1
8578 or arg0 are ERROR_MARKs.
8579 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
8580 fields of type ERROR_MARK when calculating if the record can
8583 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
8584 with much help from Jeffrey A Law and Richard Henderson
8586 * i386.md: In the 6 insns which call output_fix_trunc,
8587 earlyclobber operands[0].
8589 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
8591 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
8592 creating new registers.
8594 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
8596 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
8597 i386_reg_alloc_order, i386_regparm_string,
8598 i386_align_loops_string, i386_align_jumps_string,
8599 i386_align_funcs_string, i386_preferred_stack_boundary_string,
8600 and i386_branch_cost_string as type "const char *".
8601 * i386.c: Define all above strings as type "const char *".
8603 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
8605 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
8606 when emitting alignment padding. Emit padding byte of 0 instead of 4.
8608 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
8610 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
8611 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
8613 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
8615 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
8616 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
8617 (dwarf2out_line, dwarf2out_finish): Likewise.
8618 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
8620 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
8622 * tree.c (lang_unsave_expr_now) : Correct return type.
8623 * tree.h (lang_unsave_expr_now) : Same.
8625 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
8627 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
8628 instead of duplicating code.
8630 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8632 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
8634 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
8636 * tree.h: fancy_abort always takes three args.
8637 * resource.c: Move include of system.h before toplev.h.
8639 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
8641 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
8644 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
8646 * system.h: Don't redefine abort or trim_filename.
8647 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
8648 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
8649 whether or not __FUNCTION__ is available.
8650 * tree.h: Duplicate rtl.h's definition of abort, for files
8651 that don't include rtl.h. Delete all code to perform type
8652 checking with a compiler other than GCC.
8653 * varray.h: Delete all code to perform type checking with a
8654 compiler other than GCC. Make VARRAY_CHECK() always evaluate
8655 its arguments exactly once, using a statement expression.
8656 Adjust the VARRAY_<type> accessor macros to match.
8657 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
8658 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
8659 caller's location. Define fatal_insn and fatal_insn_not_found
8660 as macros that use _fatal_insn and _fatal_insn_not_found.
8661 (fancy_abort, trim_filename): Kill prototypes.
8663 * rtl.c (trim_filename): Move here from toplev.c.
8664 (fancy_abort): New function.
8665 (DIR_SEPARATOR): Provide default definition.
8666 * tree.c (tree_check_failed, tree_class_check_failed): Go
8667 through fancy_abort.
8668 (tree_check, tree_class_check, cst_or_constructor_check,
8669 expr_check): Delete.
8670 * varray.c (varray_check_failed): New function.
8671 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
8672 _fatal_insn and _fatal_insn_not_found. Go through
8674 (trim_filename, fancy_abort): Delete.
8676 * builtins.c (expand_builtin_args_info): Report ICE with abort.
8677 * except.c (start_catch_handler): Report ICE with error/abort
8679 * final.c (output_operand_lossage): Likewise.
8680 * flow.c (verify_flow_info): Likewise.
8682 * gcc.c: Prototype fatal.
8683 * gengenrtl.c: Undef abort after including rtl.h not system.h.
8684 * genattr.c, genattrtab.c, genemit.c, genextract.c,
8685 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
8686 Don't define fancy_abort.
8688 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
8690 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
8693 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
8695 * m88k.h (VERSION_INFO2): Kill.
8696 (VERSION_STRING): Kill.
8698 (VERSION_INFO1): Tidy.
8699 (TARGET_VERSION): Update.
8700 * m88k/dgux.h (VERSION_INFO2): Kill.
8701 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
8702 * m88k/luna.h (VERSION_INFO1): Tidy.
8703 * m88k/sysv4.h (VERSION_INFO1): Likewise.
8704 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
8705 (output_file_start): Adjust for death of VERSION_STRING.
8707 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
8709 * cpplib.c (detect_if_not_defined): New function.
8710 (do_if): Use it to detect potential once-only headers.
8712 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
8714 * c-common.c (combine_strings): Always set TREE_CONSTANT.
8716 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
8718 * combine.c (nonzero_bits) : Allow single-ly set registers to be
8719 anywere in the function only if they are pseudos and set before
8720 being used (not live at the start of the function).
8721 (num_sign_bit_copies) : Same.
8722 (get_last_value_validate) : Same.
8723 (get_last_value) : Same.
8725 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
8727 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
8728 where N and M are constant and N is an integer multiple of M.
8730 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8732 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
8733 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
8734 sbitmap_union_of_preds): Add prototypes.
8735 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
8736 the intersection of successors with the new flow graph structures.
8737 (sbitmap_intersection_of_preds): New function to compute the
8738 intersection of predecessors with the new flow graph structures.
8739 (sbitmap_union_of_succs): New function to compute the union of
8740 successors with the new flow graph structures.
8741 (sbitmap_union_of_preds): New function to compute the union of
8742 predecessors with the new flow graph structures.
8743 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
8744 (expr_reaches_here_p): Use edge and basic_block structures instead
8745 of s_preds and s_succs.
8746 (compute_cprop_avinout): Use new sbitmap routines.
8747 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
8748 of s_preds and s_succs.
8749 * flow.c (compute_flow_dominators): Compute dominators using
8750 edges and basic blocks instead of s_preds and s_succs.
8752 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8754 * lists.c (unused_insn_list, unused_expr_list): New file for
8755 maintaining various types of lists. New statics for maintaining a
8756 cache of available INSN_LIST and EXPR_LIST nodes.
8757 (free_list): Static function for freeing a list of INSN/EXPR nodes.
8758 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
8759 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
8760 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
8761 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
8762 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
8763 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
8764 (free_INSN_LIST_node): Free an individual INSN_LIST node.
8765 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
8766 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
8767 (remove_dependence, free_pending_lists): Use new global routines.
8768 (flush_pending_lists, sched_analyze_insn): Use new global routines.
8769 (sched_analyze, compute_block_backward_dependences): Use new routines.
8770 (sched_analyze_1, sched_analyze_2): Use new routines.
8771 (schedule_insns): Use new global routines.
8772 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
8774 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
8775 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
8777 * toplev.c (rest_of_compilation): Initialize node cache.
8778 * Makefile.in (OBJS): Add lists.o to list of object files.
8779 (lists.o): Add dependancies.
8781 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
8783 * config/v850/v850.md: Fix compile time warning messages.
8784 * config/v850/v850.c: Fix compile time warning messages.
8785 * config/v850/v850.h: Fix compile time warning messages.
8787 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8789 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
8790 Remove unused prototype for `init_lengths'.
8792 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8794 * calls.c (emit_call_1): Mark parameter `stack_size' with
8796 (expand_call): Initialize variable `insn'.
8797 (emit_library_call): Likewise for variable `high_to_save'.
8798 (emit_library_call_value): Likewise.
8799 (store_one_arg): Likewise for variables `lower_bound' and
8802 * combine.c (try_combine): Likewise for variables `i2_code_number'
8803 and `other_code_number'.
8804 (find_split_point): Likewise for variables `pos', `unsignedp' and
8806 (simplify_if_then_else): Likewise for variables `op' and `c1'.
8807 (simplify_and_const_int): Remove unused variable `width'.
8808 (merge_outer_ops): Likewise.
8810 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
8811 HOST_WIDE_INT' when comparing against one.
8812 (simplify_relational_operation): Likewise.
8813 (cse_insn): Initialize variables `src_eqv_volatile',
8814 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
8816 * final.c (init_final): Constify parameter `filename'.
8817 (final_start_function): Mark parameter `optimize' with
8819 (profile_function): Likewise for parameters `first' and `optimize'.
8820 (output_source_line): Likewise for parameter `file'.
8822 * integrate.c (subst_constants): Cast a value to `size_t' when
8823 comparing against one.
8824 (mark_stores): Initialize variable `mode'. Cast a value to
8825 `size_t' when comparing against one.
8827 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
8829 * loop.c (move_movables): Initialize variable `first'.
8830 (strength_reduce): Likewise for variable `increment'.
8831 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
8832 value to `size_t' when comparing against one.
8833 (load_mems): Initialize variable `end_label'.
8835 * output.h (init_final): Constify parameter.
8837 * reload.c (decompose): Initialize variable `base'.
8839 * reload1.c (reload): Likewise for variable `is_scalar'.
8840 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
8841 (choose_reload_regs): Initialize variable `mode'.
8842 (emit_reload_insns): Likewise for variable `store_insn'.
8843 (reload_cse_noop_set_p): Mark parameter `insn' with
8845 (reload_combine): Initialize variable `set'.
8847 * unroll.c (unroll_loop): Likewise for variable `local_label'.
8848 (copy_loop_body): Cast a value to `size_t' when comparing against
8851 * varasm.c (assemble_variable): Initialize variable `size_tree'.
8852 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
8853 (remove_from_pending_weak_list): Mark parameter `name' with
8856 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8858 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
8861 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
8863 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
8864 (ASM_DECLARE_FUNCTION_NAME): Define.
8865 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
8866 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
8867 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
8868 not already defined.
8870 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
8872 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
8873 of n_popped when call/call_value are not defined.
8875 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
8877 * tm.texi: GNU CC -> GCC conversion.
8878 (CC1_SPEC): Indicate it is used for all language front ends.
8880 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
8882 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
8883 NOTE_INSN_EH_REGION_END correctly.
8885 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
8886 Jeff Law <law@cygnus.com>
8888 * loop.c (strength_reduce): Automatically unroll loops if the
8889 unrolled loop size is smaller than the rolled loop size.
8891 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
8892 and delete comment that code should be rewritten.
8894 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
8896 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
8899 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
8901 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
8903 * fixinc/mkfixinc.sh: Don't fix uwin headers.
8904 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
8905 (LINK_SPEC): Add -u _main when building executables.
8906 (ASM_DECLARE_FUNCTION): Update from Cygwin.
8907 (ASM_FILE_END): Use the default for ix86-pe.
8908 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
8910 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
8912 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
8913 and ASM_CLOSE_PAREN are empty strings.
8915 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
8916 Geoffrey Keating <geoffk@cygnus.com>
8918 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
8919 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
8920 (unprotoize.o): Ditto.
8921 (test-protoize-simple): Don't define STD_PROTO_DIR.
8922 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
8923 changes to make 'test-protoize-simple' pass.
8924 (STD_PROTO_DIR): Remove define.
8925 (STANDARD_EXEC_PREFIX): Supply default define.
8926 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
8927 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
8928 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
8929 (GET_ENV_PATH_LIST): New macro.
8930 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
8931 (do_processing): Initialize default_syscalls_dir using new
8932 macros. Use it to initialize syscalls_absolute_filename.
8934 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
8936 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
8937 B into a register before emit_conditional_move.
8939 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
8941 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
8942 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
8943 multiplicand out of (+ (* a b) (* c d)).
8945 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
8946 Richard Henderson <rth@cygnus.com>
8948 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
8949 (new_insn_dead_notes): Likewise.
8950 (update_n_sets): Likewise.
8951 (update_flow_info): Move to flow.c, renamed to update_life_info;
8952 extend to handle multiple source insns.
8953 * flow.c: Include resource.h
8954 (unlink_insn_chain): New.
8955 (split_hard_reg_notes): New.
8956 (maybe_add_dead_note): New.
8957 (maybe_add_dead_note_use): New.
8958 (find_insn_with_note): New.
8959 (new_insn_dead_notes): New.
8960 (update_n_sets): New.
8961 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
8962 (maybe_remove_dead_notes): New.
8963 (update_life_info): New.
8964 (prepend_reg_notes): New.
8965 (replace_insns): New.
8966 * output.h (update_life_info): Declare.
8967 * recog.c (split_block_insns): Use update_life_info.
8968 * resource.c (find_free_register): Use reg_alloc_order, don't use
8969 fixed regs, make sure the mode is supported, don't use new regs.
8971 * rtl.h (replace_insns): Declare.
8973 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
8975 * expr.c (expand_expr): Cope with COND_EXPRs with one
8976 non-returning branch.
8978 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
8980 * expr.c (store_expr): Always pass down the target, even when not
8983 1999-08-24 Nick Clifton <nickc@cygnus.com>
8985 * configure.in: Define target_cpu_default for v850 targets.
8986 * configure: Regenerate
8988 * config/v850/v850.h (TARGET_CPU_generic): Define.
8989 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
8990 addresses are 4 byte aligned.
8992 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
8995 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8997 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
8998 (main): Add prototypes.
9000 * genattrtab.c (substitute_address, write_const_num_delay_slots,
9001 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
9002 (write_attr_get): Emit prototypes along with function definition.
9003 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
9004 (write_complex_function): Emit static prototype along with
9005 function definition.
9007 * genemit.c (gen_split): Emit prototypes along with function
9010 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
9011 Likewise for predicates and `insn_operand_predicate'.
9012 (process_template): Emit static prototype along with function
9015 * genrecog.c (make_insn_sequence): Constify a char*. Add
9016 prototypes for get_split_*().
9017 (write_subroutine): Emit prototypes along with function
9020 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9022 * gcse.c (find_avail_set): Follow chains of register-register copies.
9023 Use oprs_not_set_p to guarantee that the returned value can be
9025 (cprop_insn): Don't verify the return value of find_avail_set with
9028 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
9029 (cprop_cc0_jump): New function.
9030 (cprop_insn): Break out new function cprop_jump and use it.
9031 Also use cprop_cc0_jump for machines with CC0.
9032 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
9034 * tree.h (current_function_calls_setjmp,
9035 current_function_calls_longjmp): Delete declarations.
9036 * dsp16xx.c: Include "function.h".
9037 * elxsi.c: Likewise.
9038 * gmicro.c: Likewise.
9039 * h8300.c: Likewise.
9042 * mn10200.c: Likewise.
9043 * mn10300.c: Likewise.
9044 * ns32k.c: Likewise.
9048 * rtl.h (rtx_equal_function_value_matters): Declare.
9049 * toplev.c (rtx_equal_function_value_matters): Don't declare.
9051 * function.c: Likewise.
9052 * emit-rtl.c: Likewise.
9054 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
9056 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
9059 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9061 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
9064 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
9066 * cpp.texi: Add a node documenting macro varargs (copied
9069 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
9071 * cppspec.c: Put a null pointer at the end of the new argv.
9073 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
9075 * configure.in: Remove code to select/de-select the haifa
9076 scheduler. Every scheduled port gets haifa now.
9077 * configure: Rebuilt.
9078 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
9080 * Makefile.in: Corresponding changes.
9082 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9084 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
9085 All callers changed.
9086 (prepare_float_lib_cmp): Likewise.
9087 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
9088 * expr.h (emit_float_lib_cmp): Delete declaration.
9089 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
9090 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
9091 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
9093 (cmptf): Now conditional on TARGET_HARD_QUAD.
9095 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
9097 * resource.c (mark_target_live_regs): Use
9098 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
9100 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9102 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
9104 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
9106 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
9108 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9110 * rtl.h (rtx_format): Constify a char*.
9112 * rtl.c (rtx_format): Likewise.
9113 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
9114 (init_rtl): Use accessor macro, not `rtx_format'.
9116 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
9119 * caller-save.c (mark_referenced_regs): Likewise.
9121 * combine.c (subst, make_compound_operation, known_cond,
9122 gen_rtx_combine, update_table_tick, get_last_value_validate,
9123 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
9125 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
9126 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
9127 count_reg_usage): Likewise.
9129 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
9132 * final.c (leaf_renumber_regs_insn): Likewise.
9134 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
9135 dump_edge_info, count_reg_references): Likewise.
9137 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
9138 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
9141 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
9142 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
9143 add_label_notes): Likewise.
9145 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
9146 clear_struct_flag, count_sub_rtxs, count_alternatives,
9147 compares_alternatives_p, contained_in_p, walk_attr_value,
9148 write_expr_attr_cache): Likewise.
9150 * genconfig.c (walk_insn_part): Likewise.
9152 * genemit.c (max_operand_1, gen_exp): Likewise.
9154 * genextract.c (walk_rtx): Likewise.
9156 * genflags.c (num_operands): Likewise.
9158 * genoutput.c (scan_operands): Likewise.
9160 * genpeep.c (match_rtx): Likewise.
9162 * genrecog.c (add_to_sequence): Likewise.
9164 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
9167 * integrate.c (save_constants, copy_for_inline,
9168 copy_rtx_and_substitute, subst_constants, restore_constants):
9171 * jump.c (mark_jump_label, invert_exp, redirect_exp,
9172 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
9174 * local-alloc.c (contains_replace_regs, memref_referenced_p):
9177 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
9178 add_label_notes, replace_call_address, count_nonfixed_reads,
9179 invariant_p, find_single_use_in_loop, find_mem_givs,
9180 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
9183 * print-rtl.c (reg_names, print_rtx): Likewise.
9185 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
9187 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
9188 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
9189 print_blocks): Likewise.
9191 * regclass.c (fix_register, record_address_regs,
9192 reg_scan_mark_refs): Likewise.
9194 * regmove.c (stable_but_for_p): Likewise.
9196 * reload.c (loc_mentioned_in_p, operands_match_p,
9197 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
9198 copy_replacements, refers_to_regno_for_reload_p,
9199 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
9200 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
9203 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
9204 delete_address_reloads_1, count_occurrences,
9205 reload_cse_mem_conflict_p, reload_combine_note_use,
9206 add_auto_inc_notes): Likewise.
9208 * resource.c (mark_referenced_resources, mark_set_resources):
9211 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
9212 reg_mentioned_p, regs_set_between_p, modified_between_p,
9213 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
9214 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
9215 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
9216 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
9218 * sched.c (sched_analyze_2, attach_deaths): Likewise.
9220 * stupid.c (stupid_mark_refs): Likewise.
9222 * unroll.c (remap_split_bivs): Likewise.
9224 * varasm.c (mark_constants): Likewise.
9226 * a29k/a29k.c (uses_local_reg_p): Likewise.
9228 * alpha/alpha.c (summarize_insn): Likewise.
9230 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
9231 eliminate_lr2ip): Likewise.
9233 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
9235 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
9236 reg_mentioned_in_mem): Likewise.
9238 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
9239 symbolic_reference_mentioned_p): Likewise.
9241 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
9243 * sh/sh.c (regs_used, mark_use): Likewise.
9245 * vax/vax.c (vax_rtx_cost): Likewise.
9247 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9249 * machmode.h (mode_name): Constify a char*.
9251 * rtl.c (mode_name): Likewise.
9253 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
9255 * optabs.c (init_libfuncs): Constify a char*.
9257 * print-tree.c (mode_name): Remove redundant declaration.
9258 (print_node): Use accessor macro, not `mode_name'.
9260 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
9262 (new_spill_reg): Constify a char*.
9264 * tree.c (mode_name): Remove redundant declaration.
9266 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9268 * rtl.c (rtx_name): Constify a char*.
9270 * rtl.h (rtx_name, fix_sched_param): Likewise.
9272 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
9273 (mypr): Use accessor macro, not `rtx_name'.
9275 * genemit.c (print_code): Constify a char*.
9277 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
9279 * genpeep.c (print_code): Constify a char*.
9281 * genrecog.c (print_code): Likewise.
9283 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
9284 end_bb): Add static prototype.
9285 (draw_edge): Constify a char*.
9286 (end_bb): Remove unused parameter.
9288 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
9289 print_block_visualization): Constify a char*.
9291 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
9293 * c-common.c (c_get_alias_set): Update comment.
9295 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
9297 * linux.h (LIB_SPEC): Added.
9299 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9301 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
9303 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
9305 * tree.c (expr_check): Fix typo in last change.
9307 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
9309 * rtl.def (NOTE): Change format to "iuu0n".
9310 (ADDR_DIFF_VEC): Change format to "eEee0".
9311 (ADDRESSOF): Change format to "eit".
9313 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
9314 (RTVEC_ELT): Change to match.
9315 (XVECEXP): Use XVEC and RTVEC_ELT.
9316 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
9317 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
9318 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
9319 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
9320 TRAP_CONDITION, TRAP_CODE): Use XEXP.
9321 (INTVAL): Use XWINT.
9322 (ADDRESSOF_DECL): Use XTREE.
9323 (SET_ADDRESSOF_DECL): Delete.
9324 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
9325 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
9326 ifdefed out since 2.6 at least.
9327 (gen_rtvec_vv): Delete prototype.
9329 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
9331 (copy_most_rtx): Handle 't' format letter.
9332 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
9333 (gen_rtvec_vv): Delete function. All callers changed to use
9334 gen_rtvec_v instead.
9335 * print-rtl.c (print_rtx): Move special casing of NOTEs to
9336 the '0' format letter.
9338 * function.c (gen_mem_addressof): Don't use
9339 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
9341 * integrate.c (copy_rtx_and_substitute): Likewise.
9342 Copy 't' slots with XTREE.
9343 (subst_constants): Treat 't' slots like '[swi]' slots.
9344 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
9345 * jump.c (rtx_equal_for_thread_p): Likewise.
9346 * rtlanal.c (rtx_equal_p): Likewise.
9347 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
9348 only four arguments.
9349 * gengenrtl.c (type_from_format): Provide correct types for
9353 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
9354 If a recent gcc is in use (always in stage2 and beyond), use
9355 statement expressions, so we don't make a function call unless
9356 the check fails. Evaluate arguments exactly once.
9357 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
9358 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
9360 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
9361 they evaluate their arguments exactly once, irrespective of
9362 the compiler in use.
9364 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
9365 is used by the currently-enabled check macros. This is:
9366 (tree_check_failed, tree_class_check_failed): For gcc.
9367 (tree_check, tree_class_check, cst_or_constructor_check,
9368 expr_check): For other compilers.
9370 * gencheck.c: Do not define any *_CHECK1 macros.
9372 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
9373 Mark Mitchell <mark@codesourcery.com>
9375 * c-common.c (c_get_alias_set): Fix support for poitners and
9378 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
9380 * alias.c: Include tree.h.
9381 (nonlocal_reference_p, mark_constant_function): New functions.
9382 * flow.c (life_analysis): Call mark_constant_function.
9383 * rtl.h (mark_constant_function): Declare it.
9385 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
9387 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
9388 unrecognisable switches.
9390 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9392 * loop.c (recombine_givs): Set ix field after sorting.
9393 (recombine_givs): Remove bogus index / giv lockstep looping.
9395 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9397 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
9399 (emit_store_flag_force): Use do_compare_rtx_and_jump.
9400 (do_cmp_and_jump): Formatting fixes.
9401 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
9402 do_compare_rtx_and_jump instead of compare_from_rtx.
9403 (do_compare_rtx_and_jump): New function; mostly copied from
9405 (do_jump_for_compare): Delete.
9406 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
9408 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
9409 of compare/do_jump_for_compare pairs.
9410 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
9411 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
9412 compare_from_rtx/do_jump_for_compare pairs.
9413 (do_jump_by_parts_equality): Likewise.
9414 (do_jump_by_parts_equality_rtx): Likewise.
9415 * expr.h (do_compare_rtx_and_jump): Declare.
9416 * optabs.c (prepare_cmp_insn): New function, contains most of the code
9417 that used to be in emit_cmp_insn.
9418 (cmp_available_p): New function.
9419 (prepare_operand): New function.
9420 (emit_cmp_and_jump_insn_1): New function, contains some code that used
9421 to be in emit_cmp_insn.
9422 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
9423 parameters to be pointers; don't emit final compare but modify some of
9424 the values pointed to by the args so the caller can perform the
9426 (expand_binop): Call emit_store_flag_force with signed forms of
9428 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
9429 emit_jump_insn pair.
9430 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
9431 emit_cmp_and_jump_insn_1. Call emit_queue.
9432 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
9434 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
9435 jump sets cc0 before deleting it.
9436 * integrate.c (expand_inline_function): Likewise.
9437 * unroll.c (unroll_loop): Similar changes in several places.
9438 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
9441 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9443 * Makefile.in (insn-recog.o): Update dependencies.
9444 * genrecog.c (main): Make generated file include "function.h".
9446 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
9448 * cse.c (cse_insn): Call never_reached_warning when a jump is
9449 changed to be unconditional.
9450 * flags.h: Declare warn_notreached.
9451 * flow.c (delete_block): Call never_reached_warning when
9453 * jump.c (delete_barrier_successors): Call never_reached_warning
9454 when we delete everything after a BARRIER.
9455 (never_reached_warning): New function.
9456 * rtl.h: Declare never_reached_warning.
9457 * toplev.c (warn_notreached): New variable.
9458 (lang_independent_options): Set warn_notreached
9459 when -Wunreachable-code.
9460 (compile_file): We need line numbers for -Wunreachable-code.
9462 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
9464 * haifa-sched.c (insn_unit): Fix typo on out of range test.
9465 * sched.c (insn_unit): Likewise.
9467 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
9469 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
9471 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9473 * flow.c (create_edge_list): Use xmalloc, not malloc.
9475 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
9477 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
9478 C-style comments. Do not lose the character before double slash.
9480 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9482 * basic-block.h (struct edge_list): Stucture to maintain a vector
9484 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
9485 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
9486 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
9487 New function prototypes.
9488 * flow.c (create_edge_list): Function to create an edge list.
9489 (free_edge_list): Discards memory used by an edge list.
9490 (print_edge_list): Debug output showing an edge list.
9491 (verify_edge_list): Internal consistency check for an edge list.
9492 (find_edge_index): Function to find an edge index for a pred and succ.
9494 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
9496 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
9499 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
9501 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
9503 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9505 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
9507 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
9509 * toplev.c (rest_of_compilation): Allow machine dependent
9510 reorganisation pass to place information into the RTL dump
9511 file if it so wishes.
9513 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
9515 * explow.c (hard_function_value): Use VOIDmode instead of
9517 * stmt.c (expand_return): Likewise.
9518 * stor-layout.c (get_best_mode): Likewise.
9520 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
9521 emit call instead of emit_insn call.
9523 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
9525 * configure.in: Handle --disable/enable-win32-registry.
9526 * install.texi: Document --disable/enable-win32-registry.
9527 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
9528 (WIN32_REGISTRY_KEY): New macro.
9529 * prefix.c: Use to enable/disable win32-specific code.
9530 (lookup_key): Use versioned key.
9531 * configure: Regenerate.
9532 * config.in: Likewise.
9534 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
9536 * cpplib.c (read_line_number): New fn, split out of...
9539 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
9541 tree.c (lang_unsave_expr_now) : New.
9542 (unsave_expr_now): Call lang_unsave_expr_now.
9543 tree.h (lang_unsave_expr_now) : New.
9545 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
9547 * toplev.c (flag_new_exceptions): On by default.
9549 1999-08-13 Michael Meissner <meissner@cygnus.com>
9551 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
9553 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
9555 * dwarfout.c (fundamental_type_code): Return FT_boolean for
9556 INTEGER_TYPE with precision==1, it's __java_boolean.
9558 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9560 * global.c (prune_preferences): Move some invariants out of the
9563 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
9565 * configure.in (alpha*-dec-osf*): Add osf5.
9567 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
9569 * configure.in: Rework handling of ARM GNU/Linux slightly.
9570 (arm*-*-linux-gnuoldld): New target.
9571 * configure: Regenerate.
9572 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
9573 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
9574 * config/arm/linux-oldld.h: New file.
9575 * config/arm/linux-elf26.h: Don't include linux-elf.h.
9576 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
9578 * config/arm/linux-elf.h (ASM_SPEC): Define.
9579 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
9580 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
9581 for 26-bit APCS and old linker.
9582 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
9584 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
9585 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
9586 don't define `arm' or `arm_elf'.
9587 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
9588 MULTILIB_DIRNAMES): Define. Fix typo in comment.
9590 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
9592 * rtl.texi: Fix typo.
9594 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
9596 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
9598 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
9600 * extend.texi (C++ Signatures): Remove node.
9601 * invoke.texi: Remove discussion of -fhandle-signatures,
9602 signature, sigof, __signature__, and __sigof__.
9604 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
9606 * Makefile.in (JAVAGC): Removed.
9608 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
9610 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
9612 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
9614 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
9616 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
9618 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
9619 a register that is already known to be a pointer.
9621 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
9623 * fixinc/inclhack.tpl: Only install assert.h conditionally.
9624 * fixinc/inclhack.sh: Regenerated.
9625 * fixinc/fixincl.sh: Regenerated.
9627 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
9629 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
9630 Fix documentation of -ansi flag to describe its C++ behavior.
9631 Remove bogus reference to GCC 2.9.
9633 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
9635 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
9636 note if it is non-NULL.
9638 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9640 * except.h (eh_nesting_info): Add new structure defintion.
9641 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
9642 (reachable_handlers, update_rethrow_references): Add function
9644 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
9645 a rethrow symbol instead of an integer exception region number.
9646 * flow.c (Make_edges): Use new exception nesting routines to determine
9647 which handlers are reachable from a CALL or asynchronous insn.
9648 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
9650 (delete_eh_regions): Update rethrow labels, and don't delete
9651 regions which are the target of a rethrow.
9652 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
9653 avoid overloading the SYMBOL_REF_USED flag.
9654 (rethrow_symbol_map): Use new rethrow_ref field.
9655 (rethrow_used): Use new rethrow_ref field.
9656 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
9657 of an integer. Fix formatting.
9658 (output_exception_table_entry): Use new rethrow_ref field.
9659 (can_throw): Check for EH_REGION_NOTE before deciding
9660 whether a CALL can throw or not.
9661 (scan_region): Call rethrow_used() instead of accessing data structure.
9662 (update_rethrow_references): New function to make sure only regions
9663 which are still targets of a rethrow are flagged as such.
9664 (process_nestinfo): New static function to initialize a handler
9665 list for a specific region.
9666 (init_eh_nesting_info): New function to allocate and initialize
9667 the list of all EH handlers reachable from all regions.
9668 (reachable_handlers): New function to retrieve the list of handlers
9669 reachable from a specific region and insn.
9670 (free_eh_nesting_info): New function to dispose of a list of
9673 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9675 * flow.c (split_edge): Set JUMP_LABEL field.
9676 (commit_one_edge_insertion): Set head correctly for insert_before.
9677 When inserting insns, update insn block numbers if allocated.
9679 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9681 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
9682 retry_incomplete_types): Add static prototype.
9683 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
9684 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
9685 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
9686 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
9687 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
9690 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
9691 dwarf2out_start_source_file, dwarf2out_line): Likewise.
9693 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9695 * output.h (assemble_name): Constify a char*.
9697 * varasm.c (UNIQUE_SECTION, assemble_start_function,
9698 assemble_variable, assemble_name): Likewise.
9700 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
9702 * arm/pe.c (arm_pe_unique_section): Likewise.
9704 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
9706 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
9708 * i386/interix.c (i386_pe_unique_section): Likewise.
9710 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
9712 * i386/winnt.c (i386_pe_unique_section): Likewise.
9714 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
9716 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
9718 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
9720 * pa/pa.c (output_call): Likewise.
9722 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
9724 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
9726 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
9729 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
9732 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
9734 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
9735 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
9737 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
9739 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9741 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
9743 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9745 * tree.h (lang_identify): Constify a char*.
9746 (print_error_function): Add extern prototype. Constify a char*.
9748 * c-lang.c (lang_identify): Constify a char*.
9750 * objc/objc-act.c (lang_identify): Constify a char*.
9752 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9754 * genpeep.c (main): Make generated file include "function.h".
9755 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
9757 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9759 * Makefile.in: Update dependencies.
9760 * alias.c: Include "function.h"
9761 * c-decl.c: Likewise.
9762 * caller-save.c: Likewise.
9763 * calls.c: Likewise.
9764 * combine.c: Likewise.
9766 * explow.c: Likewise.
9767 * final.c: Likewise.
9768 * global.c: Likewise.
9769 * graph.c: Likewise.
9770 * local-alloc.c: Likewise.
9772 * optabs.c: Likewise.
9773 * profile.c: Likewise.
9774 * recog.c: Likewise.
9775 * regclass.c: Likewise.
9776 * regmove.c: Likewise.
9777 * reload.c: Likewise.
9778 * reorg.c: Likewise.
9779 * resource.c: Likewise.
9780 * sched.c: Likewise.
9781 * stupid.c: Likewise.
9782 * config/1750a/1750a.c: Likewise.
9783 * config/a29k/a29k.c: Likewise.
9784 * config/arc/arc.c: Likewise.
9785 * config/arm/arm.c: Likewise.
9786 * config/arm/thumb.c: Likewise.
9787 * config/c4x/c4x.c: Likewise.
9788 * config/clipper/clipper.c: Likewise.
9789 * config/convex/convex.c: Likewise.
9790 * config/fx80/fx80.c: Likewise.
9791 * config/i860/i860.c: Likewise.
9792 * config/m68k/m68k.c: Likewise.
9793 * config/m88k/m88k.c: Likewise.
9794 * config/mips/mips.c: Likewise.
9795 * config/pdp11/pdp11.c: Likewise.
9796 * config/pyr/pyr.c: Likewise.
9797 * config/romp/romp.c: Likewise.
9798 * config/sh/sh.c: Likewise.
9799 * config/tahoe/tahoe.c: Likewise.
9800 * config/vax/vax.c: Likewise.
9801 * config/we32k/we32k.c: Likewise.
9802 * config/sparc/sparc.c: Include "function.h".
9803 (mem_min_alignment): Test current_function rather than
9804 regno_pointer_align.
9805 * config/pa/pa.c: Likewise.
9806 (compute_frame_size): Delete declaration of
9807 current_function_outgoing_args_size.
9808 * config/arc/arc.h (current_function_varargs): Delete declaration.
9809 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
9811 * config/i370/i370.h (current_function_outgoing_args_size): Delete
9813 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
9814 current_function_uses_pic_offset_table.
9815 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
9816 of current_function_returns_pointer.
9817 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9818 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9819 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9820 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9821 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9822 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9823 * config/m88k/m88k.c: Include "function.h"
9824 (call_used_regs, current_function_pretend_args_size,
9825 current_function_outgoing_args_size, frame_pointer_needed): Delete
9827 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
9829 * config/mips/mips.h (current_function_calls_alloca): Delete
9831 * config/mn10200/mn10200.h (current_function_needs_context,
9832 rtx_equal_function_value_matters): Delete declarations.
9833 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
9834 flag_pic): Delete declarations.
9835 * config/pa/pa.h (current_function_pretend_args_size,
9836 current_function_decl): Delete declarations.
9837 * config/pa/som.h (current_function_varargs): Delete declaration.
9838 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
9840 * config/pyr/pyr.h (current_function_pretend_args_size,
9841 current_function_args_size, current_function_calls_alloca): Delete
9843 * config/sh/sh.h (current_function_varargs): Delete declaration.
9844 * config/sparc/sparc.h (current_function_outgoing_args_size,
9845 current_function_calls_alloca, current_function_decl): Delete
9847 * config/spur/spur.h (current_function_pretend_args_size,
9848 current_function_calls_alloca): Delete declarations.
9849 * config/v850/v850.c (current_function_outgoing_args_size): Delete
9851 * config/vax/vms.h (current_function_name): Delete declaration.
9852 * gcse.c: Include "function.h".
9853 (current_function_name, current_function_calls_setjmp): Delete
9855 * haifa-sched.c: Include "function.h".
9856 (forced_labels): Delete declaration.
9858 * reg-stack.c: Likewise.
9859 * reload1.c: Likewise.
9860 * genemit.c (main): Make generated file include function.h.
9861 * genoutput.c (output_prologue): Likewise.
9863 * builtins.c (saveregs_value, apply_args_value): Delete variables.
9864 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
9865 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
9866 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
9867 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
9868 macros for some of them.
9869 (emit_filename, emit_lineno): Delete declarations.
9870 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
9871 regno_pointer_* variables through current_function.
9872 (gen_inline_header_rtx): Delete function.
9873 (save_emit_status): Delete function.
9874 (set_new_last_label_num): New function.
9875 (clear_emit_caches): New function.
9876 (restore_emit_status): Just clear last_labelnum and call
9878 (get_last_insn_anywhere): Variable sequence_stack is now accessed
9879 through macro seq_stack.
9880 (add_insn_after): Likewise.
9881 (add_insn_before): Likewise.
9882 (remove_insn): Likewise.
9883 (pop_topmost_sequence): Likewise.
9884 (in_sequence_p): Likewise.
9885 (start_sequence_for_rtl_expr): Likewise.
9886 (start_sequence): Likewise, and likewise for
9887 sequence_rtl_expr/seq_rtl_expr.
9888 (push_topmost_sequence): Likewise.
9889 (end_sequence): Likewise.
9890 (init_virtual_regs): Now takes a "struct emit_status *" argument.
9891 All callers changed. Store into that pointer instead of globals.
9892 (init_emit): Allocate emit elt of current_function.
9893 Changes for sequence_rtl_expr/sequence_stack renaming.
9894 Call clear_emit_caches instead of doing it in-line.
9895 Access regno_pointer_* variables through current_function.
9896 (init_emit_once) Don't clear sequence_stack.
9898 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
9900 (arg_pointer_save_area): Delete declaration.
9901 (finish_expr_for_function): Renamed from init_queue; no longer static.
9902 (init_expr): Don't call init_queue.
9903 (save_expr_status, restore_expr_status): Delete functions.
9904 (expand_expr): Changes to reflect new layout of struct function.
9905 Don't access current_function_check_memory_usage when current_function
9907 * expr.h (forced_labels, save_expr_regs, saveregs_value,
9908 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
9909 current_function_outgoing_args_size, current_function_arg_offset_rtx,
9910 current_function_uses_const_pool, function_call_count,
9911 current_function_uses_pic_offset_table, nonlocal_labels,
9912 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
9913 current_function_check_memory_usage, nonlocal_goto_handler_slots,
9914 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
9916 (finish_expr_for_function): Declare.
9917 * flags.h (current_function_has_nonlocal_label,
9918 current_function_has_nonlocal_goto, current_function_is_thunk,
9919 current_function_has_computed_jump): Delete declarations.
9920 * flow.c (forced_labels): Delete declaration.
9921 * function.c (current_function_pops_args,
9922 current_function_returns_struct, current_function_returns_pcc_struct,
9923 current_function_needs_context, current_function_calls_setjmp,
9924 current_function_calls_longjmp, current_function_has_nonlocal_label,
9925 current_function_has_nonlocal_goto, current_function_is_thunk,
9926 current_function_has_computed_jump, current_function_calls_alloca,
9927 current_function_contains_functions, current_function_returns_pointer,
9928 current_function_epilogue_delay_list, current_function_args_size,
9929 current_function_pretend_args_size, current_function_arg_offset_rtx,
9930 current_function_outgoing_args_size, current_function_varargs,
9931 current_function_stdarg, current_function_args_info, cleanup_label,
9932 current_function_name, current_function_uses_const_pool,
9933 current_function_instrument_entry_exit, current_function_return_rtx,
9934 current_function_uses_pic_offset_table, nonlocal_labels,
9935 current_function_internal_arg_pointer, current_function_cannot_inline,
9936 current_function_check_memory_usage, function_call_count,
9937 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
9938 nonlocal_goto_stack_level, return_label, save_expr_regs,
9939 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
9940 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
9941 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
9942 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
9943 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
9945 (push_function_context_to): Don't save them. Don't call
9946 save_storage_status, save_emit_status or save_expr_status.
9947 (pop_function_context_from): Don't restore them. Don't call
9948 restore_storage_status or restore_expr_status.
9949 (get_func_frame_size): New function.
9950 (get_frame_size): Use it.
9951 (assign_outer_stack_local): Reflect some member name changes in struct
9953 (put_reg_into_stack): Likewise.
9954 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
9956 (fixup_var_refs): Likewise.
9957 (fix_lexical_addr): Likewise.
9958 (trampoline_address): Likewise.
9959 (prepare_function_start): Clear field inlinable of current_function.
9960 (init_function_for_compilation): New function.
9961 (expand_dummy_function_end): New function.
9962 (expand_function_end): Call finish_expr_for_function.
9963 * function.h (struct emit_status): New; fields moved here from struct
9964 function and from global variables. Add accessor macros for some of
9966 (struct expr_status): Likewise.
9967 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
9968 (struct function): Add fields expr and emit, inlinable, inl_emit,
9969 original_arg_vector, original_decl_initial, inl_last_parm_insn,
9970 inl_max_label_num. Add many comments.
9971 Add accessor macros for all elts of struct function that no longer
9972 have a global variable.
9973 (cleanup_label, return_label, frame_offset, tail_recursion_label,
9974 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
9975 stack_slot_list): Delete declarations.
9976 (get_func_frame_size): Declare.
9977 (save_expr_status, restore_expr_status, save_emit_status,
9978 save_storage_status, restore_storage_status): Delete declarations.
9979 (init_virtual_regs): Declare.
9980 * output.h (current_function_pops_args,
9981 current_function_returns_struct, current_function_returns_pcc_struct,
9982 current_function_needs_context, current_function_calls_setjmp,
9983 current_function_calls_longjmp, current_function_calls_alloca,
9984 current_function_has_nonlocal_label, current_function_varargs,
9985 current_function_has_computed_jump, current_function_returns_pointer,
9986 current_function_contains_functions, current_function_args_size,
9987 current_function_pretend_args_size, current_function_stdarg,
9988 current_function_outgoing_args_size, current_function_args_info,
9989 current_function_name, current_function_return_rtx,
9990 current_function_epilogue_delay_list,
9991 current_function_uses_const_pool, current_function_cannot_inline):
9992 Delete declarations.
9993 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
9994 regno_reg_rtx): Delete declaration.
9995 (REGNO_POINTER_FLAG): Delete macro.
9996 * stmt.c (expand_goto): Changes to reflect that some fields in struct
9997 function were renamed.
9998 * stor-layout.c (save_storage_status, restore_storage_status): Delete
10000 * toplev.c: Include "function.h".
10001 (current_function_decl): Delete declaration.
10002 (compile_file): Call init_dummy_function_start and
10003 expand_dummy_function_end around some initializations that need to
10005 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
10006 Call init_function_for_compilation.
10007 * unroll.c: Include "function.h"
10008 (unroll_loop): Access regno_pointer_* variables through
10011 * tree.h (struct tree_decl): Add elt f to saved_insns member.
10012 (DECL_SAVED_INSNS): use it.
10013 (expand_dummy_function_end): Declare.
10014 (init_function_for_compilation): Declare.
10015 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
10016 that it's no longer an INLINE_HEADER.
10017 (expand_call): Likewise.
10018 * integrate.c (finish_inline): Delete function.
10019 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
10020 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
10021 args. Don't generate an INLINE_HEADER rtx, just return the arg
10022 vector. All callers changed.
10023 (save_for_inline_copying): Create a duplicate struct emit_status to
10024 hold the emit state for compiling the current function. Use this and
10025 the other new fields in struct function that are for integration
10026 instead of an INLINE_HEADER.
10027 Use memcpy instead of bcopy.
10028 Store the current struct function in DECL_SAVED_INSNS of fndecl.
10029 (save_for_inline_nocopy): Similar changes, except no new emit_status
10031 (expand_inline_function): Get information from function structure,
10032 not from an inline header rtx.
10033 (output_inline_function): Lose code to extract the necessary
10034 information from an inline header; simply put back the function
10035 structure into current_function. Clear its inlinable elt.
10036 * rtl.def (INLINE_HEADER): Delete.
10037 * rtl.h: Delete all accessors for an INLINE_HEADER.
10038 (gen_inline_header_rtx): Delete declaration.
10039 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
10040 Delete declarations.
10041 (REGNO_POINTER_ALIGN): Delete.
10042 (clear_emit_caches): Declare.
10043 (set_new_last_label_num): Declare.
10045 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
10047 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
10049 * except.c (expand_eh_region_start_for_decl): Always start a new block.
10050 * stmt.c (is_eh_region): Make sure current_function is present, too.
10052 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
10054 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
10055 for 64bit PA targets.
10057 * pa.h (SELECT_SECTION): Define.
10058 * som.h (SELECT_SECTION): Delete.
10060 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10062 * alias.c (init_alias_analysis): Wrap call to
10063 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
10065 1999-08-07 Bruce Korb <autogen@linuxbox.com>
10067 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
10068 <sys/asm.h> contains an asm comment with an apostrophe
10069 * fixinc/inclhack.sh: regen
10070 * fixinc/fixincl.x: regen
10072 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
10074 * function.c (init_function_start): Clear prologue & epilogue.
10075 (prologue_epilogue_contains): New function.
10076 * alias.c (init_alias_analysis): Use it.
10077 * rtl.h (prologue_epilogue_contains): Declare it.
10079 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
10081 * jump.c (onlyjump_p): New function.
10082 * rtl.h: Declare it.
10083 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
10084 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
10086 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
10088 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
10089 to invert loops. Simplify block scanning.
10091 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10093 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
10094 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
10096 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
10098 * config/sparc/liteelf.h: New file to support sparclite-elf target
10099 * config/sparc/t-sp86x: New file to support sparc86x targets
10100 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
10101 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
10102 * configure.in: Support above target triplets
10103 * configure: Regenerated
10105 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
10107 * fixinc/server.c (server_setup): Do not prefix function used as
10108 parameter with `&'.
10110 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
10112 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
10113 Remove fp reg alternatives.
10115 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
10117 * Makefile.in (TAROUTOPTS): Kill.
10118 (install-headers-tar): Use "xpf" for tar headerfile extraction
10119 * i370/x-oe (TAROUTOPTS): Delete.
10120 * m68k/x-apollo68 (TAROUTOPTS): Delete.
10121 * m68k/x-hp320 (TAROUTOPTS): Delete.
10122 * m68k/x-hp320g (TAROUTOPTS): Delete.
10123 * gcc.texi: Update bug reporting text.
10125 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10127 * reg-stack.c (change_stack) Fixed problem with negative array index.
10129 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
10131 * extend.texi, install.texi: Fix spelling mistakes.
10133 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
10134 (s-attrtab); No longer try to use pre-made insn-attrtab file.
10135 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
10136 PREMADE_ATTRTAB_MD.
10137 * mips/t-ecoff: Likewise.
10138 * mips/t-elf: Likewise.
10139 * mips/t-mips: Likewise.
10140 * mips/t-osfrose: Likewise.
10141 * mips/t-r3900: Likewise.
10142 * mips/t-svr3: Likewise.
10143 * mips/t-svr4: Likewise.
10144 * mips/t-ultrix: Likewise.
10146 * gcc.texi: Document recommend means to provide software floating
10147 point libraries in libgcc.a
10149 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
10151 * c-lex.c (yylex): We can have a number with no digits.
10153 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
10155 * jump.c (delete_prior_computation): New function, broken
10156 out of delete_computation. Check for side effects with
10157 side_effects_p instead of FIND_REG_INC_NOTE. Handle
10158 multi-word hard registers.
10159 (delete_computation): Use it. Check for side effects with
10160 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
10161 missing REG_DEAD note for a register which is both set and
10164 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
10166 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
10167 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
10168 (ASM_FILE_START): Import _mcount with the right type.
10169 (ASM_DECLARE_FUNCTION_NAME): Define.
10170 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
10171 * pa.c (output_function_prologue): Always emit the function's label
10173 * pa.h (TEXT_SPACE_P): Define.
10174 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
10175 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
10176 * som.h (TEXT_SPACE_P): Delete.
10177 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
10178 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
10180 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
10182 * expr.c (emit_group_load): Allow src to be a CONCAT.
10184 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10186 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
10187 (___mulsi3): Use '!' comment character.
10189 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10191 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
10193 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
10195 * gcc.c: Update URLs and mail addresses.
10196 * gcc.texi: Likewise.
10198 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
10200 * rs6000.c (current_file_function_operand): Return zero for
10202 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
10204 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
10207 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
10209 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
10210 allocate space in the stack frame for the PIC register.
10212 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
10214 * m68k.md (xordi3, anddi3): These patterns are not available on
10217 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
10219 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
10220 (PUT_REAL): Likewise.
10222 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10224 * final.c (shorten_branches): Don't add an alignment for loops
10225 that have no label inside.
10227 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10229 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
10230 prototypes in macro HAVE_cmpstrsi.
10232 * cpplib.c (cpp_get_token): Remove unused label `op3'.
10234 * emit-rtl.c (operand_subword): Remove unused variable
10237 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
10239 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
10241 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
10243 * cpphash.c (macroexpand): Delete leading whitespace when arg
10244 is concatenated before.
10245 (unsafe_chars): Correct test for whether + and - can extend a
10248 * cppinit.c (cpp_start_read): Do dependencies for
10249 -include/-imacros files also.
10251 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
10252 tokenizing non-directive lines.
10253 (cpp_expand_to_buffer): Temporarily disable no-output mode.
10254 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
10257 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
10259 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
10261 * c-lex.c: Sync with C++ frontend.
10262 (linemode): New variable.
10263 (parse_float): imag, conversion_errno, and type are output only.
10264 (yylex): Adjust. Move initial '.' case into main switch.
10266 (handle_generic_pragma): Just deal with tokens.
10267 (readescape): Use ISXDIGIT and ISGRAPH.
10268 * c-parse.in: Add END_OF_LINE token.
10270 * c-lex.c (lang_init): Generalize.
10271 (nextchar): Remove. Replace uses with UNGETC.
10272 (skip_white_space): Handle linemode here. Optimize for cpplib.
10273 (skip_white_space_on_line): Remove.
10274 (extend_token_buffer_to): New fn.
10275 (extend_token_buffer): Use it.
10276 (read_line_number, check_newline): Just deal with tokens.
10277 (token_getch, token_put_back): New fns.
10278 (yylex): Use them. More cpplib optimizations. Simplify.
10280 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
10281 Jason Merrill <jason@yorick.cygnus.com>
10283 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
10284 (consume_string): Make this smart about USE_CPPLIB.
10285 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
10286 (yylex): Rewrite to be intelligent about USE_CPPLIB.
10287 Also, clean up cases where we redundantly set token_buffer[0].
10288 (read_line_number): New fn.
10289 (ignore_escape_flag): New variable.
10291 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
10293 * a29k/t-a29kbare: Fix some comments.
10294 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
10295 (FPBIT, DPBIT): Define.
10296 * a29k/t-vx29k: Likewise.
10297 * arc/t-arc: Likewise.
10298 * arm/t-arm-elf: Likewise.
10299 * arm/t-bare: Likewise.
10300 * arm/t-pe: Likewise.
10301 * arm/t-pe-thumb: Likewise.
10302 * arm/t-semi: Likewise.
10303 * arm/t-thumb: Likewise.
10304 * arm/t-thumb-elf: Likewise.
10305 * arm/t-thumb-linux: Likewise.
10306 * h8300/t-h8300: Likewise.
10307 * i960/t-i960: Likewise.
10308 * i960/t-vxworks960: Likewise.
10309 * m32r/t-m32r: Likewise.
10310 * mips/t-ecoff: Likewise.
10311 * mips/t-elf: Likewise.
10312 * mips/t-r3900: Likewise.
10313 * pa/t-pro: Likewise.
10314 * rs6000/t-aix43: Likewise.
10315 * rs6000/t-beos: Likewise.
10316 * rs6000/t-newas: Likewise.
10317 * rs6000/t-ppccomm: Likewise.
10318 * rs6000/t-rs6000: Likewise.
10319 * rs6000/t-winnt: Likewise.
10320 * rs6000/t-xnewas: Likewise.
10321 * rs6000/t-xrs6000: Likewise.
10322 * sh/t-sh: Likewise.
10323 * sparc/t-elf: Likewise.
10324 * sparc/t-sparcbare: Likewise.
10325 * sparc/t-sparclite: Likewise.
10326 * sparc/t-splet: Likewise.
10327 * v850/t-v850: Likewise.
10328 * mn10200/t-mn10200: Fix comments.
10329 * mn10300/t-mn10300: Likewise.
10331 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
10332 dummy operand. Allocate a new pseudo for the dummy operand.
10333 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
10335 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
10337 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
10339 * configure: Rebuilt.
10340 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
10342 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
10344 * recog.c (preproces_constraints): Zero recog_op_alt before
10345 processing the constraints.
10347 * arm.c (typedef minipool_node): Renamed from pool_node.
10348 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
10349 (add_minipool_constant): New function.
10350 (dump_minipool): New function.
10351 (find_barrier): Remove special case for getting the insn size of
10352 an insn that references the constant pool.
10353 (minipool_fixup): New structure.
10354 (push_minipool_barrier): New function.
10355 (push_minipool_fix): New function.
10356 (note_invalid_constants): New function.
10357 (add_pool_constant, dump_table, fixit, broken_move): Delete.
10358 (arm_reorg): Rewrite code to fix up the constant pool into a
10359 series of mini-pools embedded in the insn stream.
10360 (arm_output_epilogue): New function, made mainly from the body
10361 of output_func_epilogue.
10362 (output_func_epilogue): Move insn generation part of epilogue code
10363 to arm_output_epilogue.
10364 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
10365 * arm.md (pool_range): New attribute.
10366 (zero_extendqidi2): Add attribute pool_range.
10367 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
10368 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
10369 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
10370 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
10371 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
10372 (epilogue): New expand.
10373 (epilogue_insn): New insn. Call arm_output_epilogue.
10375 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
10376 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
10378 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
10380 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
10382 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
10384 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
10386 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
10388 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
10390 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
10392 * global.c: Fix comment.
10394 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
10396 * gcc.c (access_check): New static function.
10397 (find_a_file): Use it when searching a directory list.
10398 * collect2.c (find_a_file): Don't accept directories found when
10399 searching a directory list.
10401 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
10403 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
10404 function parameters with `&'.
10405 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
10407 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
10409 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
10410 or tidy_fallthru_edge if the last insn in the block is not
10411 an unconditional jump or a simple conditional jump.
10413 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10415 * Makefile.in (c-decl.o): Depends on defaults.h.
10417 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
10419 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
10421 (CLASS_MAX_NREGS): Likewise.
10423 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
10425 * cse.c (cse_insn): Fix dumb thinko in last change.
10427 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10429 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
10432 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
10434 * dwarf2out.c (add_location_or_const_value_attribute): Correct
10435 test for sizes of passed and declared parameter types.
10437 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10439 * fixincludes: Fix the return type of bsearch, char* -> void*.
10441 * fixinc/inclhack.def: Likewise.
10443 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
10445 * invoke.texi (-fdump-translation-unit): New option.
10447 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
10449 * expr.h (PROMOTE_PROTOTYPES): Move ...
10450 * defaults.h: ... to here.
10451 * c-decl.c: Include defaults.h instead of expr.h.
10452 * c-typeck.c: Include defaults.h.
10454 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
10456 * toplev.h (errorcount): Declare.
10457 (warningcount): Likewise.
10458 (sorrycount): Likewise.
10459 * c-lex.c (errorcount): Don't declare.
10460 * dwarf2out.c (errorcount): Don't declare.
10462 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
10464 * config/libgloss.h: Add a note discouraging use with ELF.
10465 * configure.in: Don't use libgloss.h for ELF targets.
10466 Always use_collect2 on a.out targets.
10468 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
10470 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
10471 (force_to_mode, case ASHIFTRT): Add shiftrt label.
10473 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10475 * loop.c (strength_reduce): When doing biv->giv conversion, update
10476 reg note of NEXT->insn.
10478 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10480 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
10482 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10484 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
10485 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
10486 Ensure expr.h is included.
10487 * c-typecheck.c (convert_arguments): Ditto.
10489 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
10491 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
10492 * config/convex/convex.h: Ditto.
10493 * config/dsp16xx/dsp16xx.h: Ditto.
10494 * config/fx80/fx80.h: Ditto.
10495 * config/gmicro/gmicro.h: Ditto.
10496 * config/i370/i370.h: Ditto.
10497 * config/i386/i386.h: Ditto.
10498 * config/m32r/m32r.h: Ditto.
10499 * config/m68k/m68k.h: Ditto.
10500 * config/m88k/m88k.h: Ditto.
10501 * config/mips/mips.h: Ditto.
10502 * config/pa/pa.h: Ditto.
10503 * config/pyr/pyr.h: Ditto.
10504 * config/tahoe/tahoe.h: Ditto.
10505 * config/we32k/we32k.h: Ditto.
10507 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
10508 based on arch size.
10510 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
10512 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
10515 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
10517 1999-08-02 Richard Henderson <rth@cygnus.com>
10519 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
10520 for the register spill block.
10521 (m32r_va_arg): New.
10522 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
10523 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
10525 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
10526 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
10527 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
10529 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10531 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
10532 MAX_WCHAR_TYPE defined in sparc.h.
10533 * config/sparc/linuxaout.h: Likewise.
10534 * config/sparc/linux64.h: Likewise.
10535 Also default to -mvis if CPU is UltraSPARC.
10537 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10539 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
10540 (RTX_OK_FOR_OLO10): Likewise.
10541 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
10542 %lo(), allow it in addresses...
10543 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
10544 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
10545 does not make sense.
10546 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
10547 (sparc_output_scratch_registers): New function.
10548 (output_function_prologue, sparc_flat_output_function_prologue): Use
10550 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
10552 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
10553 * configure.in: Add check for .register pseudo-op support in as and
10554 check for offsetable %lo().
10555 * acconfig.h: Add templates for the above checks.
10556 * configure: Regenerate.
10558 1999-08-02 Richard Henderson <rth@cygnus.com>
10560 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
10561 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
10562 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
10564 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10566 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
10569 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10571 * config/float-sparc.h: New file.
10572 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
10573 sparc-*-linux-gnu and sparc64-*-linux*.
10575 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10577 * rs6000.c (rs6000_va_list): Type is an array.
10578 (rs6000_va_start): Don't doubly adjust for varargs.
10579 (rs6000_va_arg): Evaluate long long GPR adjustment.
10581 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
10583 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
10584 -maix64 and -maix32.
10585 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
10586 LINK_SPEC): Change appropriately.
10587 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
10588 (u_short_cint_operand): Likewise.
10589 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
10591 * rs6000/t-aix43 (MULTILIB): Change to -m64.
10593 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
10595 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
10597 * rs6000/rs6000.c (num_insns_constant_wide): Correct
10598 for type promotion.
10599 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
10600 (non_add_cint_operand): Likewise.
10601 (logical_operand): Likewise.
10602 (non_logical_cint_operand): Likewise.
10603 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
10604 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
10605 (rs6000_select_rtx_section): Suppress warning.
10606 (small_data_operand): Suppress warning.
10607 (rs6000_got_register): Suppress warning.
10608 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
10609 type, so `J' is generally the wrong constraint for a SImode value;
10611 (andsi3_internal2): Likewise.
10612 (andsi3_internal3): Likewise.
10613 (iorsi3_internal1): Likewise.
10614 (xorsi3_internal1): Likewise.
10616 (movsf_softfloat): Likewise.
10617 (scc insns): Likewise.
10618 (movsi+2): Preserve sign bits of SImode constant.
10619 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
10620 (movdf+1): Sign-extend properly.
10621 (movdi_32+1): Sign-extend properly.
10622 (scc insns): Sign-extend properly.
10624 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
10627 1999-08-02 Richard Henderson <rth@cygnus.com>
10629 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
10630 -mcpu parsing code.
10631 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
10632 * alpha.md (all fp insns): Likewise.
10634 1999-08-02 Nick Clifton <nickc@cygnus.com>
10636 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
10639 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
10641 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
10642 pic_load_label generator directly.
10643 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
10644 No longer a named pattern.
10646 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
10648 * explow.c (force_reg): Call force_operand if X does not
10649 satisfy general_operand.
10651 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
10653 * fix-header.c (main): When testing for CONTINUED, use string
10654 equality, not pointer equality.
10656 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
10658 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
10660 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
10662 * cse.c (cse_insn): Fix loop which deletes insns after a jump
10663 that has become an unconditional jump.
10665 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
10666 (output_function_epilogue): Similarly.
10668 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10670 * tree.h (init_dummy_function_start): Declare.
10672 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10674 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
10675 last_expr_type, last_expr_value, block_start_count, block_stack,
10676 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
10677 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
10678 dynamically in stmt elt of struct function for each function.
10679 (struct nesting): Rename function_call_count elt to n_function_calls,
10680 target_temp_slot_level to block_target_temp_slot_level. All users
10682 (struct stmt_status): New structure definition.
10683 Add many accessor macros for stmt_status elements which previously
10684 were global variables.
10685 (init_stmt_for_function): Allocate stmt elt for current_function.
10686 Reflect that block_start_count was renamed to
10687 current_block_start_count.
10688 (save_stmt_status, restore_stmt_status): Delete functions.
10689 (preserve_subexpressions_p): Don't access loop_stack when outside
10691 (expand_start_bindings): Reflect that block_start_count was renamed to
10692 current_block_start_count.
10693 (expand_fixup): Likewise.
10694 (expand_decl): Don't access block_stack when outside a function.
10695 (expand_decl_cleanup): Likewise.
10696 (expand_dcc_cleanup): Likewise.
10697 (expand_dhc_cleanup): Likewise.
10698 (expand_anon_union_decl): Likewise.
10699 (set_file_and_line_for_stmt): New function.
10700 (in_control_zone_p): New function.
10702 * function.h (struct function): Add new elt stmt.
10703 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
10704 case_stack, nesting_stack, nesting_depth, block_start_count,
10705 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
10706 emit_lineno, goto_fixup_chain.
10707 (save_eh_status, restore_eh_status, save_stmt_status,
10708 restore_stmt_status): Delete declarations.
10709 * function.c (push_function_context_to): Don't call save_stmt_status.
10710 (pop_function_context_to): Don't call restore_stmt_status.
10711 * tree.h (in_control_zone_p): Declare.
10712 * rtl.h (set_file_and_line_for_stmt): Declare.
10714 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
10715 call set_file_and_line_for_stmt.
10717 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
10719 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
10720 Also update copyright.
10722 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10724 * c-pragma.c: Don't include "except.h".
10725 * emit-rtl.c: Likewise.
10726 * stor-layout.c: Likewise.
10727 * tree.c: Likewise.
10728 * varasm.c: Likewise.
10730 * flow.c: Include "function.h".
10731 * tree.h (init_dummy_function_start): Declare new function.
10733 * except.h (struct eh_status): New structure.
10734 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
10736 (eh_return_stub_label, ehstack, catchstack, ehqueue,
10737 catch_clauses, false_label_stack, caught_return_label_stack,
10738 protect_list, current_function_ehc): Add accessor macros for the
10739 corresponding fields in current_function->eh; delete declarations
10740 for all items that used to be declared here.
10741 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
10742 catch_clauses, false_label_stack, caught_return_label_stack,
10743 protect_list, current_function_ehc): Delete variables.
10744 (init_eh_for_function): Allocate current_function->eh.
10745 (save_eh_status, restore_eh_status): Delete functions.
10747 * function.h (struct function): Add fields next_global and eh.
10748 Delete all exception handling related fields.
10749 * function.c (current_function): New variable.
10750 (all_functions): New variable.
10751 (push_function_context_to): Don't allocate a struct function,
10752 use current_function instead. Call init_dummy_function_start when
10753 outside a function. Clear current_function before returning.
10754 (pop_function_context_from): Restore current_function.
10755 Don't free the restored struct function.
10756 (prepare_function_start): New function.
10757 (init_dummy_function_start): New function.
10758 (init_function_start): Break out some code into prepare_function_start
10761 * stmt.c (save_stmt_status): Don't call save_eh_status.
10762 (restore_stmt_status): Don't call restore_eh_status.
10764 * Makefile.in: Update dependencies.
10766 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
10768 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
10769 of depending on a magic constant value. Update comments.
10770 (hppa_expand_prologue): Similarly.
10772 * pa.md (reload_indi, reload_outdi): Allow any register for the
10773 original reload register.
10775 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
10777 * cccp.c (print_help): Change marcos to macros.
10779 1999-07-30 Richard Henderson <rth@cygnus.com>
10781 * c-typeck.c (initializer_constant_valid_p): Move ...
10782 * c-common.c (initializer_constant_valid_p): ... here. Use
10783 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
10784 of label addresses.
10785 * c-common.h (initializer_constant_valid_p): Declare.
10786 * c-tree.h (initializer_constant_valid_p): Remove.
10788 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
10790 * config/i386/sol2-c1.asm: Align the stack.
10791 * config/i386/sol2-gc1.asm: Likewise.
10793 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
10795 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
10796 -Asparclite for sparc86x.
10797 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
10799 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
10801 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
10803 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
10804 the user if using the non-default arch size in BI_ARCH configuration.
10805 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
10807 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
10808 Fix patterns so that they actually match.
10809 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
10810 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
10811 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
10813 (mulsidi3): Reflect this in the expand.
10814 (smulsi3_highpart): Only on TARGET_ARCH32.
10815 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
10816 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
10817 (umulsidi3): Reflect this in the expand.
10818 (umulsi3_highpart): Only on TARGET_ARCH32.
10819 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
10820 don't require g0 to be zero.
10821 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
10822 ({,u}divsi3): New expands.
10823 ({,u}divsi3_sp64): New patterns.
10824 (after lshrdi3_v8plus): Four new patterns to help combiner
10825 optimizing nested mixed mode shifts.
10827 * config/sparc/sparc.c (sparc_override_options): Use deprecated
10828 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
10829 speed things up. Don't use them by default on plain v9 in 64bit
10830 mode, according to what SPAMv9 sais.
10832 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
10833 top 32 bits of %[og][0-7] in signal handlers.
10834 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
10836 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
10838 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
10839 (ashlsi3): Corresponding changes.
10841 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
10843 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
10845 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
10847 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10849 * arm.h (Hint): Delete macro.
10850 Substitute HOST_WIDE_INT for Hint in some prototypes.
10851 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
10853 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
10855 * builtins.c (expand_builtin_setjmp): Use force_operand to
10856 make sure that the buffer address is in a suitable form to be
10857 passed to force_reg.
10859 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
10861 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
10864 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
10866 * pa.md (indirect_jump): Remove mode from match_operand. Verify
10867 proper mode in the condition string.
10868 (icacheflush, dcacheflush): Remove modes from match_operands.
10870 * pa.c (emit_move_sequence): Always convert scratch_reg to the
10871 proper mode before using it.
10873 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
10876 * pa.c (store_reg): Do not call add_high_const generator directly.
10877 (load_reg, set_reg_plus_d): Likewise.
10878 * pa.md (add_high_const): No longer a named pattern.
10880 * pa.c (legitimize_address): Consistently use Pmode rather than
10881 SImode. Do not call gen_pic2_highpart directly anymore.
10882 * pa.md (pic2_highpart): No longer a named pattern.
10883 (pic2_lo_sum): Similarly. Reformat to make more readable.
10885 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
10890 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10892 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
10894 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
10896 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
10897 and tag the spill mems.
10898 (hppa_va_start): New.
10899 (hppa_va_arg): New.
10900 * pa.h (EXPAND_BUILTIN_VA_START): New.
10901 (EXPAND_BUILTIN_VA_ARG): New.
10903 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
10905 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
10906 and tag the spill mems.
10907 (mn10300_va_start): New.
10908 (mn10300_va_arg): New.
10909 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
10910 (EXPAND_BUILTIN_VA_ARG): New.
10912 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
10914 * mn10200.c (mn10200_va_arg): New.
10915 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
10917 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
10919 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
10920 rather than play with TREE_INT_CST_LOW.
10922 1999-07-27 Philip Blundell <pb@nexus.co.uk>
10924 * config/arm/telf.h: Include dbxelf.h.
10925 (CPP_PREDEFINES): Only define if not already defined.
10926 (ASM_IDENTIFY_GCC): Likewise.
10927 (SUBTARGET_EXTRA_SECTIONS): Likewise.
10928 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
10929 * config/arm/thumb.h (LINK_SPEC): Only define if not already
10931 (DBX_DEBUGGING_INFO): Don't define.
10932 * config/arm/linux-telf.h: New file.
10933 * config/arm/linux-tgas.h: New file.
10934 * config/arm/t-thumb-linux: New file.
10935 * config/arm/uclinux-elf.h: New file.
10936 * config/arm/uclinux-telf.h: New file.
10937 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
10938 thumb-*-uclinux): New targets.
10939 * configure: Regenerate.
10941 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
10943 * pa.md (post_store, pre_load): New expanders.
10944 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
10945 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
10946 need to directly generate RTL for them.
10947 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
10950 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
10952 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
10953 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
10954 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
10955 (secndary_reload_class): Make TARGET_ELF conditional compile.
10956 (print_operand_address): Similar.
10957 (output_toc): Print all values as hex.
10958 (get_issue_rate): Rearrange and add RS64A and PPC630.
10959 * rs6000.h (processor_type): Add RS64A and PPC630.
10960 (PROCESSOR_POWERPC64): New.
10961 (PROMOTE_MODE): Use word_mode.
10962 (RTX_COSTS): Add RS64A and PPC630.
10963 * rs6000.md (scheduling information): Add lmul and ldiv
10964 representing 64-bit integer multiply and divide. Add rs64a and
10965 PPC630 information.
10966 (ashldi3): Add support for "rldic" instruction.
10967 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
10969 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
10971 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
10972 instead of V8 for sparclite86x in cpu_table.
10974 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10976 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
10977 output_file_directive.
10979 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
10981 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
10982 tree for op1, not the rtl.
10984 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
10986 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
10987 to m88k_va_start, leaving only the register spill.
10988 (m88k_build_va_list): New.
10989 (m88k_va_start): New.
10990 (m88k_va_arg): New.
10991 * m88k.h (BUILD_VA_LIST_TYPE): New.
10992 (EXPAND_BUILTIN_VA_START): New.
10993 (EXPAND_BUILTIN_VA_ARG): New.
10995 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
10997 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
10998 Rename from expand_builtin_saveregs.
10999 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
11001 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
11003 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
11004 for the register spill block.
11005 (i960_build_va_list): New.
11006 (i960_va_start): New.
11007 (i960_va_arg): New.
11008 * i960.h (BUILD_VA_LIST_TYPE): New.
11009 (EXPAND_BUILTIN_VA_START): New.
11010 (EXPAND_BUILTIN_VA_ARG): New.
11011 * i960.md (store_multiple): Use change_address on individul mems.
11013 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
11015 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
11017 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
11018 (expand_builtin_va_end): Evaluate arg for side effects.
11019 * c-common.c (c_common_nodes_and_builtins): Construct a
11020 va_list_arg_type_node to handle array decomposition to pointer.
11022 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
11024 * except.c (start_dynamic_cleanup): Use force_operand on the
11027 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
11029 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
11030 * c4x.c (c4x_va_arg): New.
11032 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
11034 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
11035 has manual_pop set.
11037 1999-07-26 Nathan Sidwell <nathan@acm.org>
11039 * eh-common.h (__eh_matcher): Prototype correctly.
11041 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
11043 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
11044 (TARGET_SINGLE_PIC_BASE): Likewise.
11045 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
11047 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
11048 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
11049 (TARGET_OPTIONS): Add -mpic-register=N.
11050 (OUTPUT_INT_ADDR_CONST): New macro.
11051 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
11052 LEGITIMATE_PIC_OPERAND_P): Likewise.
11053 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
11054 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
11055 output_addr_const directly.
11056 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
11058 (thumb_pic_register, thumb_pic_register_string): Declare.
11060 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
11062 (label_mentioned_p): New function: Imported from arm.c.
11063 (legitimize_pic_address): New function: Imported from arm.c.
11064 (is_pic):New function: Imported from arm.c.
11065 (thumb_finalize_pic):New function: Imported from arm.c.
11066 (add_constant): Cope with PIC constants.
11067 (fixit): Cope with PIC constants.
11068 (output_return): Do not treat the PIC register as live if
11069 TARGET_SINGLE_PIC_BASE is true.
11070 (thumb_function_prologue): Do not treat the PIC register as live if
11071 TARGET_SINGLE_PIC_BASE is true.
11072 (thumb_expand_prologue): Do not treat the PIC register as live if
11073 TARGET_SINGLE_PIC_BASE is true.
11074 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
11075 TARGET_SINGLE_PIC_BASE is true.
11076 (thumb_print_operand): Accept '|'.
11077 (thumb_override_options): Process PIC options.
11079 * config/arm/thumb.md (movsi): Support PIC.
11080 (call_insn): Change "i" constraint to "X".
11081 (call_value_insn): Likewise.
11082 (consttable_4, consttable_8, consttable_end): Set and clear
11083 "making_const_table" as appropriate.
11084 (pic_load_addr, pic_add_dot_plus_four): New insns.
11086 * invoke.texi (Thumb Options): Fix spelling. Document new
11087 options -msingle-pic-base and -mpic-register=.
11089 1999-07-26 Andrew Haley <aph@cygnus.com>
11091 * config/m32r/initfini.c (__init): Use a full word immediate for
11092 __fini: this allows it to be placed in any memory region.
11094 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
11095 -mmodel=medium. This is OK for all memory models.
11097 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
11099 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
11100 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
11102 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
11104 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
11107 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
11109 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
11111 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
11112 (BUILD_VA_LIST_TYPE): New.
11113 (EXPAND_BUILTIN_VA_START): New.
11114 (EXPAND_BUILTIN_VA_ARG): New.
11115 * i860.c (output_delayed_branch): Disable.
11116 (output_delay_insn): Likewise.
11117 (i860_saveregs): New.
11118 (i860_build_va_list): New.
11119 (i860_va_start): New.
11120 (i860_va_arg): New.
11121 * i860.md: Disable all peepholes using output_delayed_branch.
11122 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
11124 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
11126 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
11127 (BUILD_VA_LIST_TYPE): New.
11128 (EXPAND_BUILTIN_VA_START): New.
11129 (EXPAND_BUILTIN_VA_ARG): New.
11130 * clipper.c (clipper_builtin_saveregs): Only dump registers.
11131 Return the address of the save area.
11132 (clipper_build_va_list): New.
11133 (clipper_va_start): New.
11134 (clipper_va_arg): New.
11136 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
11138 * arc.h (EXPAND_BUILTIN_VA_START): New.
11139 (EXPAND_BUILTIN_VA_ARG): New.
11140 * arc.c (arc_setup_incoming_varargs): Set alias set of
11142 (arc_va_start): New.
11145 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
11147 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
11148 (BUILD_VA_LIST_TYPE): New.
11149 (EXPAND_BUILTIN_VA_START): New.
11150 (EXPAND_BUILTIN_VA_ARG): New.
11151 * alpha.c (alpha_builtin_saveregs): Delete.
11152 (alpha_build_va_list): New.
11153 (alpha_va_start): New.
11154 (alpha_va_arg): New.
11156 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
11158 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
11160 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
11161 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
11163 * gcc.texi: More changes related to list conversion.
11164 * invoke.texi: Likewise.
11166 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
11168 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
11169 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
11170 (expand_builtin_next_arg): Accept ARGLIST not EXP.
11171 (stabilize_va_list): New function.
11172 (std_expand_builtin_va_start): New function.
11173 (expand_builtin_va_start): New function.
11174 (get_varargs_alias_set): New function.
11175 (std_expand_builtin_va_arg): New function.
11176 (expand_builtin_va_arg): New function.
11177 (expand_builtin_va_end): New function.
11178 (expand_builtin_va_copy): New function.
11179 (expand_builtin): Call them.
11180 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
11181 __builtin_{varargs_start,stdarg_start,end,copy}.
11182 (build_va_arg): New function.
11183 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
11184 (build_va_arg): Declare.
11185 * c-decl.c (ptr_type_node, va_list_type_node): New.
11186 * c-parse.gperf (__builtin_va_arg): New.
11187 * c-parse.in (VA_ARG): New token.
11188 (unary_expr): Recognize it.
11189 * expr.c (expand_expr): Expand VA_ARG_EXPR.
11190 * expr.h (std_expand_builtin_va_start): Declare.
11191 (std_expand_builtin_va_arg): Declare.
11192 (expand_builtin_va_arg): Declare.
11193 (get_varargs_alias_set): Declare.
11194 * tree.def (VA_ARG_EXPR): New.
11195 * tree.h (BUILT_IN_VARARGS_START): New.
11196 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
11197 (ptr_type_node, va_list_type_node): Declare.
11198 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
11199 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
11200 * m88k.h, m88k.c: Likewise.
11201 * mn10300.h, mn10300.c: Likewise.
11202 * pa.h, pa.c: Likewise.
11203 * rs6000.h, rs6000.c: Likewise.
11204 * sh.h, sh.c: Likewise.
11205 * sparc.h, sparc.c: Likewise.
11207 * emit-rtl.c (operand_subword): Copy alias set.
11208 (change_address): Likewise.
11210 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
11212 * pa.c (compute_frame_size): Scan all the used callee saved registers,
11213 not just the first one.
11215 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
11217 * config/arm/arm.h (TARGET_SWITCHES): Add
11218 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
11219 (TARGET_OPTIONS): Add -mpic-register=.
11220 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
11221 (arm_pic_register_string): Declare.
11222 (NEED_PLT_GOT): Delete, replace with ...
11223 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
11224 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
11225 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
11226 * config/arm/arm.c (arm_override_options): Add new option
11228 (arm_pic_register_string): New variable.
11229 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
11230 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
11231 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
11232 (output_return_instruction): Likewise.
11233 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
11234 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
11235 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
11237 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
11238 mention of -msched-prolog. Document new options -msingle-pic-base
11239 and -mpic-register=.
11241 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
11243 * haifa-sched.c (reemit_notes): Tidy.
11244 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
11247 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
11249 * explow.c (trunc_int_for_mode): New function.
11250 (plus_constant_wide): Use it.
11251 * combine.c (simplify_and_const_int): Likewise.
11252 (merge_outer_ops): Likewise.
11253 (simplify_shift_const): Likewise.
11254 * cse.c (simplify_unary_operation): Likewise.
11255 (simplify_binary_operation): Likewise.
11256 * emit-rtl.c (operand_subword): Likewise.
11257 * rtl.h: Declare it.
11259 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11261 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
11262 (use NUM_REGS instead of NUM_INTS).
11264 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11266 * builtins.c: New file.
11267 * expr.c (saveregs_value, apply_args_value): Delete definition,
11268 moved into builtins.c.
11269 (string_constant): No longer static.
11270 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
11271 apply_args_size, apply_result_size, result_vector,
11272 expand_builtin_apply_args, expand_builtin_apply,
11273 expand_builtin_return): Delete functions, moved into builtins.c.
11274 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
11275 * expr.h (saveregs_value, apply_args_value): Declare variables.
11276 (expand_builtin, string_constant): Declare functions.
11277 * Makefile.in: Update to build builtin.o.
11279 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
11281 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
11282 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
11283 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
11284 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
11286 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
11289 1999-07-21 Michael Meissner <meissner@cygnus.com>
11291 * print-rtl.c (print_rtx): Print the names of the virtual
11294 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
11296 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
11297 introduced in previous delta.
11299 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11301 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
11302 to avoid name clash.
11304 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
11306 * c-lex.c (yylex) : Correct the test for overflow when lexing
11309 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
11311 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
11312 (adjust_priority): Always call ADJUST_PRIORITY.
11313 (schedule_insn): Only put insns into the ready at cost 0.
11314 (schedule_block): Remove redundant initial sort. Give clock_var
11315 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
11317 * tm.texi (MD_SCHED_REORDER): Update docs.
11319 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
11320 * sparc.c (ultra_reorder_called_this_block): Delete.
11321 (ultrasparc_sched_init): Don't set it.
11322 (ultrasparc_sched_reorder): Don't check it.
11324 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
11326 * rs6000.h (struct rs6000_args): Add sysv_gregno.
11327 * rs6000.c (init_cumulative_args): Init sysv_gregno.
11328 (function_arg_boundary): Align DFmode.
11329 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
11330 to get fp reg and stack overflow correct.
11331 (function_arg): Likewise.
11332 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
11333 (setup_incoming_varargs): Restructure for ABI_V4; use
11334 function_arg_advance to skip final named argument.
11335 (expand_builtin_saveregs): Properly unskip the last integer arg
11336 when doing varargs. Adjust overflow location calculation.
11338 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
11339 explicitly unsigned.
11340 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
11341 (__VA_GP_REGSAVE): Similarly.
11342 (__va_longlong_p): Delete.
11343 (__va_arg_type_violation): New declaration.
11344 (va_arg): Restructure. Flag promotion errors. Align double.
11345 TFmode passed by reference.
11347 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
11348 in the HOST_BITS_PER_WIDE_INT > 32 case.
11350 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
11352 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
11354 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
11356 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
11357 * toplev.c (documented_lang_options): Add -fpreprocessed.
11358 * cpplib.h (struct cpp_buffer): Add preprocessed.
11359 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
11360 (cpp_start_read): Don't expand macros or emit an initial #line
11361 directive if -fpreprocessed.
11363 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
11365 * cpplib.h (struct cpp_buffer): Added manual_pop for
11366 better C++ tokenization.
11367 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
11368 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
11369 * c-common.c (cpp_token): Make non-static.
11371 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11373 * c-common.h: New file.
11374 * c-common.c (permanent_obstack): Delete unused declaration.
11375 (c_global_trees): New array.
11376 (c_common_nodes_and_builtins): New function; split off common code
11377 from init_decl_processing in both c-decl.c and cp/decl.c.
11378 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
11379 c_global_trees and accessor macros defined in c-common.h.
11380 Include c-common.h.
11381 * c-decl.c: Delete definitions for tree nodes that were replaced by
11383 (init_decl_processing): Build void_list_node.
11384 Call c_common_nodes_and_builtins; delete code to generate the common
11386 * objc/objc-act.c (build_module_descriptor): Rename variable
11387 void_list_node to avoid clash with c-common.h.
11389 * Makefile.in: Update dependencies.
11390 * objc/Make-lang.in: Likewise.
11392 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
11394 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
11395 (UNIQUE_SECTION_P): Likewise.
11396 (UNIQUE_SECTION): Likewise.
11398 1999-07-19 Linas Vepstas <linas@linas.org>
11400 * config/i370/README: New file.
11401 * config/i370/linux.h: New file.
11402 * config/i370/mvs.h: New file.
11403 * config/i370/oe.h: New file.
11404 * config/i370/t-linux: New file.
11405 * config/i370/t-mvs: New file.
11406 * config/i370/t-oe: New file.
11407 * config/i370/x-oe: New file.
11408 * config/i370/xm-linux.h: New file.
11409 * config/i370/xm-mvs.h: New file.
11410 * config/i370/xm-oe.h: New file.
11412 * i370.c (label_node_t): Add first_ref_page, label_addr,
11413 label_first_ref, label_last_ref members.
11414 (mvs_need_base_reload): Renamed from mvs_label_emitted.
11415 (MAX_MVS_LABEL_SIZE): Define.
11416 (MAX_LONG_LABEL_SIZE): Define.
11417 (alias_node_t, alias_anchor, alias_number): New.
11418 (mvs_function_table): Reorder for EBCDIC.
11419 (ascebc, ebcasc): Unconditionally define.
11420 (i370_branch_dest, i370_branch_length): New functions.
11421 (i370_short_branch, i370_label_scan): New functions.
11422 (mvs_get_label): Renamed from mvs_add_label. Search for
11423 an existing label before creating a new one.
11424 (mvs_add_label): New function.
11425 (mvs_get_label_page): New function.
11426 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
11427 over the entire list.
11428 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
11429 (mvs_check_page) [TARGET_ELF_ABI]: New function.
11430 (mvs_add_alias, mvs_need_alias): New functions.
11431 (mvs_get_alias, mvs_check_alias): New functions.
11432 (handle_pragma): New function.
11433 (mvs_function_check): New function.
11434 (unsigned_jump_follows_p): Search harder.
11435 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
11436 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
11437 * i370.h (TARGET_VERSION): Delete.
11438 (CPP_SPEC, CPP_PREDEFINES): Delete.
11439 (mvs_label_emitted): Delete.
11440 (TARGET_EBCDIC): Delete.
11441 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
11442 (HANDLE_PRAGMA): Define.
11443 (HARD_REGNO_NREGS): Handle complex modes.
11444 (HARD_REGNO_MODE_OK): Likewise.
11445 (CLASS_MAX_NREGS): Likewise.
11446 (RET_REG): Likewise.
11447 (EXTRA_CONSTRAINT): Define.
11448 (RETURN_IN_MEMORY): True for DImode.
11449 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
11450 (FUNCTION_PROFILER): Delete.
11451 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
11452 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
11453 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
11454 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
11455 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
11456 (ASM_FILE_START): Add "RMODE ANY".
11457 (ASM_OUTPUT_EXTERNAL): Check for aliases.
11458 (ASM_GLOBALIZE_LABEL): Likewise.
11459 (ASM_OUTPUT_LABELREF): Likewise.
11460 (ASM_OUTPUT_COMMON): Likewise.
11461 (PRINT_OPERAND): Handle 'K', 'W', default.
11462 (PRINT_OPERAND_ADDRESS): New.
11463 (Lots of defines): Add support for TARGET_ELF_ABI.
11464 * i370.md (attr length): New. Define for all patterns.
11465 (*): Lots of tweeks to assembly output and constraints.
11467 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
11469 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
11470 Disable patterns performing SImode comparisons with SImode values
11471 if TARGET_POWERPC64 and instruction does not sign-extend or does
11472 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
11473 differ for signed quantities.
11474 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
11475 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
11476 (decrement_and_branch_on_count): Add 64-bit variant.
11478 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11480 * final.c (output_asm_insn): When searching for the matching string
11481 for a given dialect, don't run past the end of the list of
11482 alternatives if there are fewer alternatives in the template than
11485 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
11487 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
11488 Removed paragraph about compression of files and size limitation,
11489 duplicated in the FAQ. Use gcc-patches for posting patches.
11490 * gcc.c (main): Updated URL with bug reporting instructions to
11491 gcc.gnu.org. Removed e-mail address.
11492 * system.h (abort): Likewise.
11494 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11496 * Makefile.in (stmp-multilib-sub): Make the files extracted
11497 from $(LIBGCC1) writable.
11499 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
11501 * config/arm/aout.h: Reformat for improved readability.
11503 * config/arm/arm.h: Reformat for improved readability.
11504 Replace uses of fprintf with asm_fprintf where appropriate.
11505 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
11506 function declaration assembler actions.
11507 (NUM_INTS): New macro: Convert from bytes to words.
11508 (NUM_REGS): New macro: Compute number of registers required to
11509 hold a quanitity of tyep MODE.
11510 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
11512 (NUM_ARG_REGS): New macro: The number of argument registers
11514 (ARG_REGISTER): New macro: Compute the register number of the Nth
11516 (LAST_ARG_REGNUM): New macro: The number of the last argument
11518 (SP_REGNUM): New macro: Register number of the stack pointer.
11519 (FP_REGNUM): New macro: Register number of the frame pointer.
11520 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
11521 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
11522 CUMULATIVE_ARGS so that it counts registers not bytes.
11524 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
11526 Replace uses of fprintf with asm_fprintf where appropriate.
11527 (output_ascii_pseudo_op): Replace with version from thumb.c
11529 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
11531 * config/arm/elf.h (CPP_PREDEFINES): Replace with
11532 SUBTARGET_CPP_SPEC.
11533 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
11534 (ASM_FILE_START): Emit ASM_APP_OFF.
11536 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
11538 * pa.c (compute_frame_size): Round frame according to
11539 STACK_BOUNDARY rather than a hardwired value.
11541 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
11543 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
11545 * configure: Rebuilt.
11547 * configure.in (hppa*-*-linux*): New configuration.
11548 * configure: Rebuilt.
11549 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
11550 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
11551 * pa/pa-linux.h: New file.
11552 * pa/t-linux: New file.
11553 * pa/xm-linux.h: New file.
11555 * pa.c (hppa_legitimize_address): Change references from SImode to
11556 either Pmode or word_mode as appropriate.
11557 (emit_move_sequence, store_reg, load_reg): Likewise.
11558 (set_reg_plus_d, hppa_expand_prologue): Likewise.
11559 (output_mul_insn): Likewise.
11560 * pa.h (PROMOTE_MODE): Likewise.
11561 (INITIALZE_TRAMPOLINE): Likewise.
11562 (Pmode): Define to word_mode.
11564 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
11565 value of 4. Allocate 8 bytes for each FP register save.
11566 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
11568 (hppa_expand_prologue): Likewise.
11569 * pa.h (PROMOTE_MODE): Likewise.
11570 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
11571 (FUNCTION_ARG_BOUNDARY): Likewise.
11573 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
11575 * pa.c (out_of_line_prologue_epilogue): Delete.
11576 (override_options): Remove -mspace related code.
11577 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
11578 (compute_frame_size): Only allocate space for register that
11579 actually need to be saved.
11580 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
11581 (TARGET_SWITCHES): Remove -mspace, -mno-space
11582 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
11583 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
11584 * pa/ee.asm, pa/ee_fp.asm: Delete.
11586 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
11588 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
11589 directive in column zero.
11591 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
11593 * m68k.c (output_function_prologue): Fix computation of save mask
11594 when generating PIC code.
11596 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
11598 * tree.c (build_type_attribute_variant): Move current_obstack restore
11599 after build_qualified_type call.
11601 1999-07-15 Mark Mitchell <mark@codesourcery.com>
11603 * configure.in: Use t-iris6, even with GNU LD.
11604 * config/mips/iris6gld.h: Fix typo in linker spec.
11605 * config/mips/t-iris6gld: Remove.
11607 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
11609 * rs6000.md (insv, extzv): Remove SImode dependence in named
11610 patterns. Explicitly generate DImode RTL if PowerPC64 and
11612 (insvdi): Reverse start and size in instruction template.
11614 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
11616 * invoke.texi: Typo fixes.
11618 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
11620 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
11621 handle at this time instead of silently generating incorrect code.
11622 (gen_imagpart): Likewise.
11624 * reload.c (find_reloads): Emit a USE for a pseudo register without
11625 a hard register if we could not create an optional reload for the
11628 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11630 * c-typeck.c (output_init_element, process_init_element):
11631 When advancing constructor_unfilled_fields for a RECORD_TYPE,
11632 check for nameless bit fields.
11634 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
11636 * regclass.c (scan_one_insn): Notice subregs that change the
11637 size of their operand.
11638 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
11640 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
11642 * configure.in (alpha*-*-*): Include alpha/t-ieee.
11643 * configure: Rebuilt.
11644 * alpha/t-ieee: New file.
11646 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
11648 * rs6000.c (find_addr_reg): Do not select r0 as an address
11651 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
11653 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
11655 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
11657 * rs6000.md (movsf): Do not force easy FP constants into memory.
11659 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
11660 immed_double_const to ensure they are properly truncated then
11663 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11665 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
11666 always unless NO_DEBUG is used. Compile this code
11668 (replace_symbols_in_block): Compile it unconditionally.
11670 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
11672 * configure.in (i?86-*-elf*): New target.
11673 * configure: Rebuilt.
11674 * i386/i386elf.h, i386/t-i386elf: New files.
11676 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11678 * toplev.c (main): Don't complain about saying -gdwarf.
11679 (rest_of_compilation): Remove redundant code.
11681 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
11683 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
11685 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
11687 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
11688 "Li960R:", to avoid name clash.
11690 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11692 * loop.c (check_dbra_loop): When reversing a loop, delete all
11693 REG_EQUAL notes referencing the reversed biv except those which are
11694 for a giv based on it.
11696 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
11698 * version.c: Drop "gcc-" prefix from version #.
11700 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
11702 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
11703 the label if we're being verbose.
11705 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
11707 * m68k.c (output_function_prologue): Add pic register to mask
11708 if live and flag_pic.
11709 (output_function_epilogue): Likewise.
11711 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
11713 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
11714 directives in column zero.
11716 * pa/elf.h (ASM_FILE_START): Define.
11717 * pa/som.h (ASM_FILE_START): Include .level directives.
11718 * pa/hpux10.h (ASM_FILE_START): Delete.
11719 * pa/hpux11.h (ASM_FILE_START): Delete.
11721 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
11723 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11725 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
11726 when reload_out equals reload_in.
11728 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
11730 * invoke.texi (Spec Files): New node: Describe the contents of
11733 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
11735 * invoke.texi (DEC Alpha Options): Put @end table at
11736 beginning of line, to avoid confusing texi2html.
11738 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
11740 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
11741 introduced in previous delta.
11743 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11745 * reload1.c (gen_reload): When synthesizing a 3 operand add
11746 sequence, improve test for when to reload OP1 into the reload
11747 register instead of OP0.
11749 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
11751 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
11753 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
11755 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
11758 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
11760 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
11761 (va_dcl): Use __builtin_va_alist_t.
11763 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
11765 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
11766 on the permanent_obstack.
11767 * dwarfout.c (output_type): Likewise.
11769 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
11771 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11772 Merged from c-typeck.c and cp/typeck.c.
11773 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11774 Merged into c-common.
11776 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
11778 * c-lex.c (errorcount): Declare it.
11779 (finish_parse): Update errorcount when using CPPLIB.
11781 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
11783 * fixinc/inclhack.def(end_else_label): Double the backslash so
11784 sed gets a chance to see it.
11785 * fixinc/inclhack.sh: regen
11786 * fixinc/fixincl.x: regen
11788 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
11790 Add framework to support armv5 architecture when it becomes
11793 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
11794 (arm_arch5): New variable.
11795 (all_architectures): Add armv5 line.
11796 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
11797 -march=armv5 is specified on the command line.
11798 (arm_arch5): Export this variable.
11799 * invoke.texi: Document new string accepted by -march= switch for
11802 * config/arm/arm.h: Replace use of constant 12 as a register
11803 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
11804 * config/arm/arm.c: Replace use of constant 12 as a register
11805 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
11807 * config/arm/elf.h: Tidy up.
11808 * config/arm/coff.h: Tidy up.
11810 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
11812 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
11813 * gcc/config/mips/t-iris6gld: New file.
11814 * gcc/config/mips/iris6gld.h: Likewise.
11816 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
11818 * c-decl.c (widest_integer_literal_type_node,
11819 widest_unsigned_literal_type) : New.
11820 (init_decl_processing): Handle/use the two new types.
11821 * c-common.c (type_for_size,type_for_mode) : Same.
11822 * c-lex.c (yylex) : Same.
11823 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11825 * c-tree.h (widest_integer_literal_type_node,
11826 widest_unsigned_literal_type) : New.
11828 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
11830 * dwarfout.c (field_byte_offset): Correctly compute the object's
11831 byte offset for the first bit of a field which crosses an alignment
11832 boundary on a !BYTES_BIG_ENDIAN target.
11834 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
11836 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
11839 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
11840 Jeff Law <law@cygnus.com>
11842 * ginclude/varargs.h (va_dcl): Use word_mode for type of
11845 * except.c: Include intl.h.
11846 (expand_eh_return): Set current_function_cannot_inline.
11847 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
11848 * function.h (struct function): Add eh_return_stub_label.
11849 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
11850 * Makefile.in (except.o): Depend on intl.h.
11852 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
11854 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
11855 same as offsettable in cases 1 and 2.
11857 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
11859 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
11860 (extlh, extwh): Likewise.
11862 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
11864 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
11866 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
11868 * configure.in: Add arm-pe and thumb-pe targets.
11869 * configure: Regenerate.
11871 * thumb.c (arm_naked_function_p): New function: Determines if
11872 a function is naked (has no gcc generated prologue/epilogue).
11873 (is_called_in_ARM_mode): Return true if the func has the
11874 interfacearm attribute.
11875 (output_return): Do not generate a return for naked functions.
11876 (thumb_function_prologue): Do not generate a prologue for
11878 (thumb_expand_prologue): Do not generate a prologue for naked
11880 (thumb_expand_epilogue): Do not generate an epilogue for naked
11882 (arm_valid_machine_decl_attribute): New function, copied from
11883 arm.c: Permit naked and interfacearm attributes.
11885 * config/arm/pe.c: New file: Support code for arm-pe target.
11886 * config/arm/pe.h: New file: Header file for arm-pe target.
11887 * config/arm/tpe.h: New file: Header file for thumb-pe target.
11888 * config/arm/t-thumb-pe: New file: Makefile fragment for
11891 1999-07-01 Mark Kettenis <kettenis@gnu.org>
11893 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
11894 -fPIC or -fpic is specified.
11896 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
11898 * expr.c (emit_block_move): Use copy_to_mode_reg for
11899 !TARGET_MEM_FUNCTIONS case too.
11901 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
11903 * configure: Rebuilt.
11904 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
11905 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
11906 definitions made redundant by dbxelf.h inclusion. Delete
11907 lots of definitions related to assembly output that are
11908 specific to the SOM object format.
11909 * pa.c (output_function_prologue): Do not emit the function's
11911 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
11912 * pa-pro.h: Deleted.
11913 * som.h: New file with SOM specific definitions.
11914 * elf.h: New file with ELF specific definitions.
11916 * elfos.h (const_section): Output a tab before assembler directives.
11917 (ctors_section, dtors_section): Likewise.
11918 (ASM_OUTPUT_SECTION_NAME): Likewise.
11920 * pa/pa1.h: Delete unused file.
11922 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
11924 * configure.in (hppa*-hp-hpux11*): New configuration.
11925 * configure: Rebuilt.
11926 * pa/pa-hpux11.h: New file.
11927 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
11930 * mips.md (leasi, leadi): New patterns.
11932 * expr.c (emit_block_move): Properly handle case where one of the
11933 block move arguments has a queued increment or decrement.
11934 (clear_storage): Similarly. Fix formatting goof.
11936 1999-06-28 "David O'Brien" <obrien@NUXI.com>
11938 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
11939 semicolon from the BSD VA_LIST replacement expression.
11941 * fixinc/inclhack.sh: regen
11942 * fixinc/fixincl.x: regen
11944 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
11945 now use the fixincl program.
11947 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
11949 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
11950 case. Also make the PIC register call_used.
11952 * m68k.h (FINALIZE_PIC): Delete.
11953 * m68k.c (finalize_pic): Delete.
11955 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
11957 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
11960 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
11962 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
11964 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
11966 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
11968 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
11970 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
11972 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
11974 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
11976 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
11978 * rs6000.c (output_toc): Always use hex values for floating-point
11979 constants. Store single-precision values in upper-half of TOC
11980 entry in 64-bit mode.
11981 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
11982 to final constraints.
11983 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
11984 (fctiwz): Improve accuracy of RTL for pattern.
11986 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
11988 * expr.c (expand_expr): Allow RTL_EXPR's through the
11989 MAX_INTEGER_COMPUTATION_MODE checks.
11991 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
11993 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
11994 such that MASK_SUPPORT_ARCH is not negative.
11996 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
11998 * loop.c (verify_dominator): Properly handle ADDR_VEC and
11999 ADDR_DIFF_VEC insns that appear inside loops.
12001 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
12002 Jeff Law <law@cygnus.com>
12004 * rs6000.md (movdf_hardfloat32): Revert previous patch.
12005 Handle LO_SUM the same as offsettable in cases 1 and 2.
12006 * rs6000.c (find_addr_reg): Revert previous patch.
12008 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
12010 * system.h (strstr): New external function declaration.
12011 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
12012 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
12013 * config.in, configure: Rebuilt.
12015 1999-06-24 Tom Tromey <tromey@cygnus.com>
12017 * gcc.c (main): Read user-specified specs files after computing
12018 additional startfile_prefixes.
12020 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
12022 Revert these two patches:
12024 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12025 * loop.c (strength_reduce): When doing biv->giv conversion, update
12026 reg note of NEXT->insn.
12028 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12029 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
12031 (recombine_givs): Set ix field after sorting.
12033 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12035 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
12036 for the parts of an UNSPEC / UNSPEC_VOLATILE.
12038 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
12040 *fixinc/inclhack.def: Add fix development commentary
12041 (read_ret_type): reactivate and add selection clause
12042 (zzz_*): tweak output file name to match what is used in hackshell.tpl
12043 *fixinc/{fixincl.x|inclhack.sh}: regen
12045 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
12047 * expr.c (expand_expr): STRIP_NOPS before checking against
12048 MAX_INTEGER_COMPUTATION_MODE
12049 (check_max_integer_computation_mode): Likewise.
12051 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
12053 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
12055 1999-06-22 Jim Wilson <wilson@cygnus.com>
12057 * expr.c (store_expr): When target is a promoted subreg, return a
12058 promoted subreg as a result.
12060 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
12062 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
12064 (dwarf2out_define): Mark unused parameters appropriately.
12065 (gen_unspecified_parameters_die): Ditto.
12066 (gen_subprogram_die): Fix signed/unsigned warnings.
12067 (gen_variable_die): Ditto.
12069 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
12071 * fixinc/inclhack.def(end_else_label): combined else_label
12072 and endif_label and fixed the sed expression.
12073 *fixinc/{fixincl.x|inclhack.sh}: regen
12075 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
12077 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
12078 'x' when handling non-offsettable addresses
12080 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
12082 * final.c (shorten_branches): Don't try to split an insn that has
12085 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
12087 * config/mips/mips.c (symbolic_expression_p): New function.
12088 (mips_select_rtx_section): Put symbolic expressions in the
12089 data section, not the read-only data section.
12091 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
12093 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
12095 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
12097 * collect2.c (main): Log frame table count.
12098 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
12099 (scan_prog_file) [COFF]: Handle frame tables.
12101 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
12102 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
12103 * alpha/elf.h: Undef them again.
12104 * alpha/vms.h: Remove their definitions.
12106 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12108 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
12109 remove the clobber of r0 and change the REG_UNUSED note to
12112 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
12114 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
12115 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
12116 fits in HOST_WIDE_INT and one uses union to access a long constant
12119 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
12121 * sparc.c (sparc_override_options): Don't allow profiling for
12122 code models other than medlow.
12123 (sparc_function_profiler): New function from old FUNCTION_PROFILER
12124 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
12125 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
12126 (sparc_block_profiler): Likewise.
12127 (sparc_function_block_profiler_exit): Likewise.
12128 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
12129 (FUNCTION_BLOCK_PROFILER): Likewise.
12130 (BLOCK_PROFILER): Likewise.
12131 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
12132 (MCOUNT_FUNCTION): New.
12133 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
12134 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
12135 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
12136 (MCOUNT_FUNCTION): New.
12137 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
12138 (BLOCK_PROFILER): Delete.
12139 (MCOUNT_FUNCTION): New.
12141 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
12143 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
12145 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12147 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12150 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12153 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12156 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12159 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
12161 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
12164 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
12166 * i386/djgpp.h (LIB_SPEC): New.
12167 (STARTFILE_SPEC): New.
12169 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
12171 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
12173 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
12176 * system.h (WSTOPSIG): New macro.
12178 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
12180 * c-pragma.c (push_alignment): Don't ignore alignments greater than
12182 (insert_pack_attributes): Take into account member natural
12185 * i386/winnt.c (exports_head): New static variable.
12186 (i386_pe_record_exported_symbol): New function.
12187 (i386_pe_asm_file_end): Use.
12188 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
12189 symbols to be emitted at end of assembly.
12190 (ASM_DECLARE_OBJECT_NAME): Likewise.
12191 (ASM_DECLARE_FUNCTION_NAME): Likewise.
12193 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
12196 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
12198 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
12201 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
12203 * haifa-sched.c (sched_analyze_1): Use free_list instead of
12204 zapping reg_last_uses directly.
12205 (sched_analyze_2, sched_analyze_insn): Likewise.
12206 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
12208 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
12210 * rs6000.md (movdf_hardfloat32): Use worst case insn length
12211 attributes for cases 1 and 2.
12213 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
12215 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
12218 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
12220 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
12222 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
12224 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
12225 PIC_OFFSET_TABLE_REGNUM for general alloaction.
12226 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
12227 must be stacked if it is used for PIC accesses.
12228 * arm.c (use_return_insn): Handle PIC register specially.
12229 (output_return_instruction): Likewise.
12230 (output_func_{prologue,epilogue}): Likewise.
12231 (output_expand_prologue): Likewise.
12233 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
12234 (*strsi_predec): Renamed from *strqi_predec.
12235 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
12236 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
12238 * arm.c (arm_override_options): Remove warning about PIC code
12239 not being supported.
12241 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
12243 * rs6000.c (find_addr_reg): New function.
12244 * rs6000.h (find_addr_reg): Declare.
12245 (offsettable_addr_operand): Delete.
12246 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
12247 from and stores to GPRs.
12249 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
12251 * alpha.c (alpha_expand_block_move): Use get_insns rather than
12252 gen_sequence as argument to emit_no_conflict_block.
12254 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12256 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
12257 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
12258 *fixinc/fixincl.x: regen
12259 *fixinc/inclhack.sh: regen
12261 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
12263 * added support for -mpcrel (PC relative addressing for m68k)
12264 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
12265 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
12266 * m68k.c (print_operand_address): Handle 32-bit PIC case.
12267 (comments for general_src_operand): Add some explanation
12268 about EXTRA_CONSTRAINTS.
12269 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
12270 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
12271 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
12272 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
12273 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
12274 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
12275 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
12276 if not already set.
12277 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
12278 * m68k.h (TARGET_PCREL): New target flag.
12279 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
12280 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
12281 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
12282 contains a SYMBOL_REF. Relax this constraint during reload, since
12283 we want to use the predicates, not reload's built-in concept of a
12284 valid memory address, to control what insns need reloading.
12285 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
12286 operands (essentially 'g', 'm', and 's' under normal circumstances).
12287 * m68k.c (print_operand): Cause printing of pc-relative addresses
12288 to include pc register.
12289 (print_operand_address): Ditto.
12290 (general_src_operand): Accept operands that are not only
12291 general_operands, but are also valid when used as a pc-relative
12293 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
12294 (memory_src_operand): Similar, for memory_operands.
12295 (pcrel_address): New predicate to accept the special case of a
12296 pc-relative address.
12297 * m68k.md (many patterns): Rewrite common SImode, HImode, and
12298 QImode insns to accept *_src_operand instead of *_operand where
12299 pc-relative operands can fit. For example, a pc-relative operand
12300 can be used as a memory source operand for addsi3, but not as a
12301 memory destination.
12302 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
12304 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
12306 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
12307 .thumb_set pseudo op to mark aliases of thumb functions.
12309 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
12311 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
12312 preference to ASM_OUTPUT_DEF, if it is defined.
12314 * tm.texi: Document new, optional target macro
12315 ASM_OUTPUT_DEF_FROM_DECLS.
12317 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12319 * fixincludes: ISCNTL patch
12320 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
12321 (dgux_int_varargs): new for DG/UX
12322 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
12324 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
12326 * invoke.texi (ia32 options): Fix typo.
12328 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12330 * loop.c (strength_reduce): When doing biv->giv conversion, update
12331 reg note of NEXT->insn.
12333 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
12335 * loop.c (move_movables): Note issues with replacing REGs with
12337 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
12339 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
12341 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
12343 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
12344 the reference to `mcount' was not correct for the ELF on FreeBSD.
12346 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12348 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
12351 (recombine_givs): Set ix field after sorting.
12353 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
12355 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
12356 to safe to extract a subword out of a REG.
12358 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12360 * sh.md (mulsi3): Don't add a no-op move at the end.
12362 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12364 * cse.c (cse_insn): Don't put hard register source into tables for
12365 the last insn of a libcall.
12367 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12369 * loop.c (strength_reduce): Insert sets of derived givs at every
12370 biv increment, even if it's the only one.
12372 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12374 * dwarfout.c (add_incomplete_type): New fn.
12375 (output_type): Call it.
12376 (retry_incomplete_types): New fn.
12377 (dwarfout_finish): Call it.
12379 From Eric Raskin <ehr@listworks.com>:
12380 (output_type): Output types for bases.
12382 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12384 * mips.c (mips_output_conditional_branch): Add `break'
12385 between `default' label and `close braces'.
12387 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
12389 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
12390 specifications and make it realistic.
12391 (LIB_SPEC): Likewise.
12393 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
12395 * config/mips/mips.c (mips_secondary_reload_class): Check for
12396 (PLUS (SP) (REG)) and return appropriate register class.
12397 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
12398 Handle (PLUS (SP) (REG)).
12399 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
12400 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
12401 of emit_insn for tablejump.
12403 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
12405 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
12406 asm_fprintf format string by itself.
12407 (output_function_profiler): Likewise.
12409 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
12411 * combine.c (simplify_logical, case AND): Only call
12412 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
12413 or the constant is positive.
12415 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
12417 * configure.in: Fix typo in rs6000-ibm-aix4 case.
12418 * configure: Regenerate.
12420 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
12422 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
12423 require a sub-version #.
12424 * configure: Rebuilt.
12426 1999-06-14 Robert Lipe (robertlipe@usa.net)
12428 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
12430 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
12432 * c-typeck.c (process_init_element): Detect excess elements in
12433 char array initializer.
12435 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
12437 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
12439 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12441 * invoke.texi (Option Summary): Add -fpermissive flag.
12443 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
12445 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
12446 that require PIC code sequences.
12448 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
12450 * configure.in: Add new target: thumb-elf.
12451 * configure: Regenerate.
12452 * config/arm/t-thumb-elf: New file: Makefile fragment for
12454 * config/arm/telf.h: New file: Header file for thumb-elf
12457 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
12459 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
12460 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
12461 initializers is some circumstances.
12463 * fixinc/inclhack.def (endif_label): Add additional selector for
12464 more bogus stuff after #endif statements.
12465 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
12467 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
12469 * i386/cygwin.h (SET_ASM_OP): Define.
12471 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
12473 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
12475 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12477 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
12480 * sh.md (ic_invalidate_line_i): Remove second alternative.
12482 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12484 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
12485 test for the presence of valid prototypes. Delete bypass expr.
12486 (ioctl_fix_ctrl): Correct the selection expression.
12487 (no_double_slash): Correct quoting rules
12488 *fixinc/fixincl.x: regen
12489 *fixinc/inclhack.sh: regen
12491 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
12493 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
12495 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12497 * rs6000.md (movsi_got_internal_mem): Delete.
12498 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
12499 (GOT_TOC_REGNUM): Delete.
12500 (PIC_OFFSET_TABLE_REGNUM): Define.
12501 (FINALIZE_PIC): Disable.
12502 * rs6000.c (rs6000_got_register): New code for fixed pic register.
12503 (rs6000_replace_regno): Delete.
12504 (rs6000_finalize_pic): Likewise.
12505 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
12507 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12509 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
12510 is a note; use <= for the compare; advance P while it is
12513 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
12515 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
12516 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
12518 * varasm.c (remove_from_pending_weak_list): Verify t->name
12519 is non-NULL before passing it to strcmp.
12521 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12523 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
12524 the typed arguments are not part of a comment
12525 (ioctl_fix_ctrl): Added a purpose comment
12526 *fixinc/fixincl.x: regenerate
12527 *fixinc/inclhack.sh: regenerate
12529 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12531 * invoke.texi: Add C4x invocation docs.
12533 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12535 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
12537 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
12539 (c4x_legitimize_reload_address): New function.
12540 * config/c4x/c4x.md: Update docs.
12542 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
12544 * fixincludes: Avoid removing '.'.
12545 * fixinc/fixinc.svr4: Likewise.
12546 * fixinc/fixinc.winnt: Likewise.
12547 * fixinc/inclhack.tpl: Likewise.
12548 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
12550 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12552 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
12554 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
12556 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
12558 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
12561 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
12563 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
12564 * configure: Regenerate.
12566 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
12568 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
12571 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
12573 * fixinc/inclhack.def (avoid_bool): Also catch
12574 "typedef [unsigned] int bool".
12575 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
12577 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
12578 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
12579 * configure: Rebuilt.
12581 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
12583 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
12584 such that we can override its definitions if necessary.
12585 (CPP_SPEC): New define. Support processor specific predefines via
12587 (CC1_SPEC): New define. Support processor specific compiler
12588 options via %(cc1_cpu).
12589 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
12592 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12594 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
12595 between sed's -e flag, and the open-quote following it.
12596 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
12598 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
12599 Jeffrey A Law (law@cygnus.com)
12601 * varasm.c (assemble_start_function): Remove the function
12602 from the pending weak decls list when we define a function.
12603 (assemble_variable): Similarly for variables.
12604 (weak_finish): Ignore items on the list with a NULL name.
12605 (remove_from_ending_weak_list); New function to "remove" an item
12606 from the pending weak declarations list.
12608 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12610 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
12612 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
12614 * c-lex.c (GETC): Redefine to call getch.
12615 (UNGETC): Redefine to call put_back.
12616 (putback_buffer): New structure type.
12617 (putback): New static structure.
12618 (getch): New function.
12619 (put_back): New function.
12620 (yylex): Replace unused bytes from bad multibyte character.
12622 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
12624 * cpplib.c (do_define): Cast `alloca' return value.
12625 (do_include, do_undef, do_pragma): Likewise.
12626 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
12628 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
12629 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
12631 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
12633 * sparc.md (abstf2): This should be an expand.
12634 (split after abstf2_notv9): Fix mode.
12635 (abstf2_hq_v9): New pattern.
12636 (abstf2_v9): Only use when no hard quad.
12637 (absdf2_v9): Fix if target is not the same as source.
12638 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
12639 Add correct output constraints.
12641 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
12643 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
12644 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
12646 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
12648 * mips.h (mips_output_conditional_branch): New function.
12649 (mips_adjust_insn_length): Likewise.
12650 (ASSEMBLER_SCRATCH_REGNUM): New macro.
12651 (ADJUST_INSN_LENGTH): Likewise.
12652 * mips.c (print_operand): Add `F' and `W' for floating-point
12653 comparison opcodes.
12654 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
12656 (mips_adjust_insn_length): New function.
12657 (mips_output_conditional_branch): New function.
12658 * mips.md (length): Adjust attribute definition to handle
12659 conditional branches. Change lengths to bytes, rather than
12660 instructions throughout. Remove length attribute from
12661 instructions whose length is four bytes, and rely on the default
12663 (dslot): Fix typo in comment.
12664 Reword conditional branch patterns to use
12665 mips_output_conditional_branch.
12667 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12669 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
12670 (LIB_SPEC): Likewise.
12671 Link with -lprof1_r for -g/-pg.
12673 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12675 * loop.c (check_dbra_loop): Fix change of Jan 19.
12677 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
12679 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
12680 (STARTFILE_SPEC): Define, override the svr4.h version.
12681 (ENDFILE_SPEC): Likewise.
12683 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
12685 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
12686 * fixinc/fixincl.x: Regenerated.
12687 * fixinc/inclhack.sh: Regenerated.
12689 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12691 * sh.c (barrier_align): Don't return early for normal branch/barrier
12692 when optimizing for SH2.
12694 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
12696 * i386/udk.h (LINK_SPEC): Correct linker search path for
12699 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12701 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
12702 (braf_label_ref_operand): Delete.
12703 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
12704 * sh.md (casesi_jump_2): Operand1 is now the inside of a
12705 label_ref, and has no predicate.
12706 The patten has a predicate to guard against invalid substitutions.
12707 (dummy_jump): Delete.
12708 (casesi): Update use of casesi_jump_2.
12710 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12712 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
12713 *fixinc/fixincl.x: regenerate
12714 *fixinc/inclhack.sh: regenerate
12716 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
12718 * dwarf2out.c (add_incomplete_type): New fn.
12719 (gen_struct_or_union_type_die): Call it.
12720 (retry_incomplete_types): New fn.
12721 (dwarf2out_finish): Call it.
12723 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
12725 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
12726 current block starts with a CODE_LABEL and ends with a CALL and
12727 we can not find all the argument setup instructions for the CALL.
12729 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
12731 Revert this change:
12732 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
12733 something is a candidate for optimize_bit_field_compare.
12735 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12737 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
12739 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
12741 * alpha.c (override_options): Thinko in last patch.
12743 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
12744 (LIB_SPEC): Recognize -pthread.
12746 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
12748 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
12749 definition in config/arm/coff.h
12750 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
12752 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12754 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
12755 fixes that need "file=xxx\n" prepended before invocation
12756 (start_fixer - new): starting the fixer process is complex enough
12757 to warrent its own routine. It prepends the "file=xxx\n" stuff.
12758 (process): uses the new routine; omit usage of putenv()
12759 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
12760 * fixinc/fixincl.x: regenerate
12762 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
12764 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
12765 and version #s (1.1 -> 2.96) as needed.
12766 * README.g77: Kill way out of date file in the toplevel directory.
12768 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
12770 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
12771 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
12772 * configure: Rebuilt.
12773 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
12774 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
12775 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
12776 (SWITCH_TAKES_ARG): Likewise.
12777 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
12778 * config/t-freebsd: Moved from config/i386/ so it can used for all
12781 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
12783 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
12785 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
12787 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
12788 * configure: Rebuilt.
12790 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
12792 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
12793 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
12794 * rs6000/rs6000.c (rs6000_file_start): Use putc.
12795 (rs6000_output_load_toc_table): Same.
12796 (output_prolog, output_mi_thunk): Same.
12797 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
12798 (ASM_GLOBALIZE_LABEL): Use putc.
12800 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
12802 * alpha.md (reload_*_help): New patterns and splitters.
12803 (reload_*): Use them.
12804 (mov[qh]i): Likewise.
12806 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
12808 * cccp.c (handle_directive): Handle backslash-newlines in quoted
12811 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
12813 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
12815 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
12817 * flow.c (mark_regs_live_at_end, insn_dead_p,
12818 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
12819 and HARD_FRAME_POINTER_REGNUM special treatment if reload
12820 hasn't run or the frame pointer is needed.
12821 * haifa-sched.c (attach_deaths): Likewise.
12822 * sched.c (attach_deaths): Likewise.
12824 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
12826 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
12827 calculate_can_reach_end returns nonzero.
12829 * configure.in (native gas tests): Search for an assembler in the
12830 same manner that the installed compiler will.
12831 * configure: Rebuilt.
12832 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
12834 * alias.c (find_base_term): Improve handling of addresses
12835 constructed from binary operations.
12837 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
12839 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
12841 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
12843 * function.h (cleanup_label, frame_offset): Declare.
12844 (tail_recursion_label, tail_recursion_reentry): Likewise.
12845 (arg_pointer_save_area, rtl_expr_chain): Likewise.
12846 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
12847 (tail_recursion_label, tail_recursion_reentry): Likewise.
12848 (arg_pointer_save_area, rtl_expr_chain): Likewise.
12850 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
12852 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
12854 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
12855 (MAX_OFILE_ALIGNMENT): Define.
12857 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
12859 * fixincl.c: Replace local include scheme with #includes of
12860 gansidecl.h and system.h.
12861 * procopen.c: Likewise.
12862 * server.c: Likewise.
12864 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
12866 * i386/t-dgux (EXTRA_PARTS): Add crti.o
12867 (crti.o): Add build rule and dependencies.
12868 * fixinc/fixinc.dgux: Use modified _int_varargs.h
12870 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12872 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
12873 (LIB_LINUX_SPEC): Likewise.
12874 (LIB_LINUX_SPEC): Add support for -pthread
12875 (CPP_OS_LINUX_SPEC): Likewise.
12876 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
12879 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
12881 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
12883 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
12884 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
12885 for IEEE math and CC_FCOMI.
12886 (put_jump_code): No IEEE if CC_FCOMI is set.
12888 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12890 * fold-const.c (fold_truthop): Make the field reference unsigned
12891 when converting a single bit compare.
12893 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12895 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
12897 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
12899 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
12900 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
12903 * reload.c (push_reload): Do not call remove_address_replacements
12904 when presented with identical optional reloads.
12906 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
12908 * alpha.h (MASK_FIX, TARGET_FIX): New.
12909 (MASK_*): Reorganize constants.
12910 (CPP_AM_FIX_SPEC): New.
12911 (TARGET_SWITCHES): Add FIX.
12912 (EXTRA_SPECS): Likewise.
12913 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
12914 (SECONDARY_MEMORY_NEEDED): Likewise.
12915 (REGISTER_MOVE_COST): Likewise.
12916 * alpha.c (override_options): Add FIX support. Always use
12917 ALPHA_TP_PROG for ev6.
12918 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
12919 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
12920 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
12922 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
12924 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
12925 something is a candidate for optimize_bit_field_compare.
12927 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
12929 * gcc.texi (Passes): Document branch-shortening.
12930 * invoke.texi (Debugging Options): Document the fact that `-dp'
12931 outputs length information for instructions.
12933 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
12935 * flow.c: Revert previous delta.
12937 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
12939 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
12940 FRAME_POINTER_REGNUM.
12941 (mark_set_1): Ditto.
12942 (mark_used_regs): Ditto.
12944 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
12946 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
12947 (GOT_PCREL): New macro. Define to 1 if not already defined.
12948 * arm/elf.h (GOT_PCREL): Define to 0.
12949 * arm.c (arm_finalize_pic): Take into account the setting of
12952 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
12954 * output.h (STRIP_NAME_ENCODING): Provide default definition.
12955 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
12957 * flow.c (mark_set_1): Do not record BLKmode stores as dead
12958 store elimination candidates.
12960 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
12962 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
12965 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
12967 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
12968 Add use of x-aix41-gld.
12970 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
12972 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
12973 (ASM_OUTPUT_DESTRUCTOR): Define.
12975 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
12977 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
12978 last CODE_LABEL in a loop if we have previously passed a jump
12979 to the top of the loop.
12981 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
12983 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
12984 applying Philip's patch.
12986 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
12988 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
12991 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
12993 * loop.c (strength_reduce): Grow reg_single_usage as needed.
12995 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
12997 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
12998 Also remove a useless comment.
13000 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13002 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
13004 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
13006 * collect2.c (main): Only generate import or export file and add
13007 to link arguments if non-empty. Use xmalloc not alloca.
13008 (write_{export,import}_file): Delete.
13009 (write_aix_file): New function.
13010 (locatelib): Use xmalloc not malloc.
13011 (GCC_OK_SYMBOL): Do not check type if aix64.
13013 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
13015 Based on patch by Scott Bambrough and Pat Beirne:
13016 * config/arm/arm.c (making_const_table): New variable.
13017 * config/arm/arm.h (making_const_table): Declare.
13018 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
13020 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
13021 Keep track of when we are building the constant table.
13023 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
13025 * config/arm/arm.c (arm_override_options): Fix erroneous warning
13028 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
13030 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
13033 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
13035 * tm.texi (FUNCTION_ARG): Correct description of a stack element
13038 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
13040 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
13042 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13044 * rs6000.c (output_mi_thunk): Enable full support again.
13046 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13048 * sh.h (BRANCH_COST): Define.
13050 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
13052 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
13054 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
13056 * function.c (assign_stack_local): Align stack slot propertly.
13057 (assign_outer_stack_local): Likewise.
13059 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
13061 * expr.h (lang_expand_constant): Declare.
13062 * toplev.c (lang_expand_constant): Define it.
13063 * varasm.c (output_constant): Use it.
13065 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13067 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
13068 Change function definitions to K&R style.
13070 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13072 * fixinc/fixincl.c: We must not ignore SIGCLD now.
13074 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
13076 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
13077 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
13078 (several places): omit static initialization
13079 (process): use single fd, since only the read fd is used
13080 * fixinc/gnu-regex.c: define 'const' away, if not supported
13081 * fixinc/procopen.c(several places): omit static initialization
13082 * fixinc/server.c: define 'volitile' away, if not supported
13084 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13086 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
13087 asm_fprintf and %L to generate the label name.
13088 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
13089 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
13091 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
13093 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
13094 insn for a conditional jump can not be found.
13096 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
13098 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
13099 on variables in specific sections other than .sbss and .sdata.
13101 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
13103 * stmt.c (expand_return): Call start_cleanup_deferral and
13104 end_cleanup_deferral around conditional code.
13106 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13108 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
13109 filename lists. Utilizes new "krstr" AutoGen function.
13110 * fixinc/fixincl.x: Rebuilt.
13112 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
13114 * i386.c (output_float_compare): Avoid GNU-C extensions.
13116 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
13118 * version.c: Bump to distinguish mainline tree from the
13121 See ChangeLog.1 for earlier changes.