1 1999-12-04 Mark Mitchell <mark@codesourcery.com>
3 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
4 * tree.h (EXPR_WFL_FILENAME): Define in terms of
5 EXPR_WFL_FILENAME_NODE.
6 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
8 * print-tree.c (print_note): Print TREE_PRIVATE and
11 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
12 the original die cannot be found.
14 * varray.h (varray_head_tag): Add elements_used.
15 (VARRAY_PUSH): New macro.
16 (VARRAY_POP): Likewise.
17 (VARRAY_TOP): Likewise.
18 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
20 * varray.c (varray_init): Initialize elements_used.
21 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
22 (INTEGRATE_H): New variable.
23 (integrate.o): Depend on INTEGRATE_H.
26 * function.h (insert_block_after_note): Declare.
27 * function.c (insert_block_after_note): Split out from ...
28 (retrofit_block): ... here.
30 * stmt.c (expand_fixup): Fix typo in comment.
32 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
34 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
35 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
36 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
37 (regmove_optimize, fixup_match_1): Likewise.
39 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
41 * flow.c (flow_loops_dump): Add missing argument when calling
44 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
45 Greg McGary <gkm@gnu.org>
47 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
48 (init_attributes): Add A_NO_LIMIT_STACK.
49 (decl_attributes): Handle A_NO_LIMIT_STACK.
50 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
51 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
52 Handle stack bounds checking.
53 * flags.h (flag_stack_check): Use the word 'probe' rather than
54 'check', because the flag doesn't actually cause any checking to
56 * function.c (expand_function_start): Set
57 current_function_limit_stack.
58 * function.h (struct function): Add limit_stack.
59 (current_function_limit_stack): Define.
60 * invoke.texi (Code Gen Options): Document new options.
61 * rtl.h: Declare stack_limit_rtx.
62 * toplev.c (stack_limit_rtx): New variable.
63 (decode_f_option): Handle new options -fstack-limit-register=REG,
64 -fstack-limit-symbol=IDENT, -fno-stack-limit.
65 (main): Add stack_limit_rtx as GC root.
66 * tree.h (DECL_NO_LIMIT_STACK): New macro.
67 (struct tree_decl): New member no_limit_stack.
69 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
71 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
72 (conditional_trap+1): Get new mnemonic correct.
73 (conditional_trap+2): New pattern for DImode traps.
75 * config/m68k/m68k.c (output_function_prologue): Handle
77 * config/m68k/m68k.md (trap): New insn.
78 (conditional_trap): New insn.
79 * md.texi (Standard Names): Document `trap' and
81 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
82 so a cc0 setter doesn't get emitted at some random place in the
85 * config/i960/i960.md (trap): New insn.
86 (conditional_trap): New expander.
87 (conditional_trap+1, conditional_trap+2): New insns for signed
89 * config/i960/i960.c (i960_function_prologue): Use
90 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
92 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
93 Geoffrey Keating <geoffk@cygnus.com>
95 * flags.h (warn_padded, warn_packed): Add global var decls.
96 * toplev.c (warn_padded, warn_packed): Add global var defns.
97 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
98 * stor-layout.c (layout_record): Add local variable `type'
99 to hold often-used TREE_TYPE (field). Add local variable
100 `unpacked_align' to hold alignment that would be in force
101 if no `packed' attribute were present. Warn if `packed' attribute
102 is unnecessary, or even harmful. Warn when gcc inserts padding
103 to satisfy alignment requirements of members. Use NULL_TREE
104 when checking whether var_size is set.
105 * invoke.texi: Document new flags.
107 1999-12-03 Nathan Sidwell <nathan@acm.org>
109 * frame.c (fde_split): Reimplement to avoid variable sized array.
111 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
113 * combine.c (try_combine): Before fixing up LOG_LINKS for the
114 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
116 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
118 * invoke.texi: Document the mips option -mno-crt0
120 1999-12-02 Mike Karr <mkarr@mathworks.com>
122 * cccp.c (argdata): Added free_ptr member.
123 (macroexpand): Initialize free_ptr of each argument. When an
124 argument's buffers are freed, if the argument's free_ptr corresponds
125 to a buffer on the input stack, then return the free_ptr to that stack
126 frame, otherwise, free it.
127 (macarg): If an argument begins and ends on the same input stack level,
128 then transfer the free_ptr of that buffer to the argument in case
129 the stack is popped during the processing of a subsequent argument.
131 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
133 * loop.c (note_reg_stored): New function.
134 (struct note_reg_stored_arg): New structure.
135 (try_copy_prop): Change to be more conservative; only replace within
136 one extended basic block and stop replacing if a store to the
137 replacement reg is seen.
139 1999-12-02 Nick Clifton <nickc@cygnus.com>
141 * config/fp-bit.c: Initialise all fields of the NAN
144 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
147 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
149 * i386.md (extend?f?f2): Force the input into a register, not
152 1999-12-01 Jakub Jelinek <jakub@redhat.com>
154 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
156 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
157 alternative because setting up 64bit constant is usually costly,
158 especially when reload is in progress or completed.
159 (movdf_const_intreg_sp64): Likewise.
160 (movdf_const_intreg split): Fix building up constants when
161 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
163 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
165 * combine.c (if_then_else_cond): Use const_true_rtx instead of
166 const1_rtx for return values in EQ/NE comparison against (const_int 0)
169 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
170 (asm_file_start): Emit .am33 into assembly file when compiling for
172 (print_operand_address): Handle POST_INC addresses.
173 (can_use_return_insn, initial_offset): Check AM33 registers too.
174 (expand_prologue): Check & save AM33 registers too.
175 (expand_epilogue): Similarly.
176 (secondary_reload_class): Handle AM33 specific secondary reloads.
177 (output_tst): Emit efficient code for the AM33 too.
178 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
179 (TARGET_SWITCHES): Add -mam33 switch.
180 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
181 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
182 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
183 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
184 (enum reg_class, REG_CLASS_NAMES): Likewise.
185 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
186 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
187 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
188 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
189 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
190 (HAVE_POST_INCREMENT): Define.
191 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
192 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
193 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
194 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
195 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
196 (zero_extend to SI from QI/HI): Likewise.
197 (sign_extend to SI from QI/HI): Likewise.
198 (mulsidi3, umulsidi3): New patterns for the AM33.
199 (tstsi with zero extension from QI/HI): Add AM33 variants.
200 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
201 (return_internal_regs, store_movm): Handle new AM33 registers.
202 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
203 (LIBGCC, INSTALL_LIBGCC): Likewise.
204 * invoke.texi: Document new flags.
206 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
208 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
209 (addsi3_carry): Likewise.
210 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
211 (sbbsi3_carry): Likewise.
212 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
214 (test?i_1): Ensure that only one operand is memory.
215 (conditional move patterns): likewise.
216 (shift and rotate patterns): Rewrite to expander, add
217 "binary_operator_ok" to the condition.
219 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
220 * i386.h (procesor_costs): Add movzbl_load field.
221 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
222 non-Q registers, accept DImode registers anywhere.
224 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
225 * i386.c (*_cost): Set value for movxbl_load field.
227 * (addsi): New add to lea splitter.
229 (lea to add/shift peep2): New.
231 1999-12-01 Mark Salter <msalter@cygnus.com>
233 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
234 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
235 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
237 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
239 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
240 * i386.md (movsi_xor): New.
242 (movsi_1, movhi_1, movqi_1): Remove.
243 (movsi_2): Rename to movsi_1.
244 (movhi_2): Rename to movhi_1.
245 (movqi_2): Rename to movqi_1.
246 (movdi_1): Remove; remove splitter.
247 (movdi_2): Rename to movdi_1.
248 (divmodsi4 splitter): Do not emit clobbers for move patterns.
249 (long move peep2): Do not create QI or HI mode mov0s
250 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
252 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
255 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
256 (abs?f2_if): Likewise.
258 1999-11-30 Alex Samuel <samuel@codesourcery.com>
260 * ggc.h (ggc_test_and_set_mark): New macro.
261 (ggc_mark_rtx): Use ggc_test_and_set_mark.
262 (ggc_mark_tree): Likewise.
263 (ggc_mark_rtvec): Likewise.
264 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
266 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
268 * dwarf2out.c (scope_die_for): Only handle types. Only search for
270 (decl_scope_table): Just an array of trees now.
271 (push_decl_scope): Simplify.
272 (dwarf2out_init): Adjust.
273 (local_scope_p): New fn.
274 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
275 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
276 (gen_typedef_die): Likewise.
277 (gen_lexical_block_die): Don't call push/pop_decl_scope.
278 (gen_inlined_subroutine_die): Likewise.
279 (gen_abstract_function): Set current_function_decl temporarily.
280 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
281 Handle block extern declarations. Don't call push/pop_decl_scope.
282 (gen_decl_die): Fix logic for block externs.
284 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
286 * calls.c (special_function_p): Remove `realloc' and add `strdup'
287 to the list of functions which have attribute malloc by default.
289 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
291 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
292 integer constant does not match the traditional type, limit the
293 warnings to cases where the base of the type is ten.
295 * invoke.texi (-Wtraditional): Document it.
297 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
299 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
300 * rs6000.md: Only access a CONST_INT with INTVAL
302 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
304 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
305 (compute_nearerout): Likewise.
306 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
307 size_t to unsigned long for formatting.
309 1999-11-30 Jakub Jelinek <jakub@redhat.com>
311 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
312 Allow the user to override call-used/fixed state of %g2-5
313 registers from the command line (with the exception of %g4 for
315 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
316 there is a higher chance of having a leaf function.
317 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
318 for ARCH64 which has %ccr register.
319 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
321 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
322 insn accept into delay slot any insn which does not use %[ol]
323 registers. Accept some LO_SUM and shift left by 1 for the normal
325 (output_function_epilogue): Likewise.
326 (epilogue_renumber): Added argument which inhibits any renumbering
327 and just tests if the rtx does not use any %[ol] registers.
328 (output_return): Reflect above change.
330 1999-11-30 Jakub Jelinek <jakub@redhat.com>
332 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
333 aggregate passing for sizes <= 16 bytes.
335 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
337 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
338 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
339 * reload.c (find_dummy_reload): Likewise.
340 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
341 * reload1.c (reload_as_needed): Likewise.
342 * stupid.c (stupid_find_reg): Likewise.
343 * tm.texi (Obsolete Register Macros): Delete section.
344 * gmicro.h: Remove all traces of the two macros.
349 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
351 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
352 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
353 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
354 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
355 units for the sparclite86x chip.
356 (flush): Revert October 14th change; add SImode specifically.
357 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
358 * invoke.texi: Document it.
360 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
362 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
363 psimode_truncation_operand.
365 * config/mn10200/mn10200.c (psimode_truncation_operand): New
366 function. Return true if the operand is either a MEM valid
367 for a PSImode address or not a MEM at all.
369 * config/mn10200/mn10200.md (truncsipsi2): Use
370 psimode_truncation_operand.
372 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
374 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
375 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
376 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
377 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
378 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
379 (flow_loop_level_compute, low_loops_level_compute): Likewise.
380 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
381 * basic-block.h: Protect from multiple inclusion.
382 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
383 (struct loops, struct loop): Define structures.
384 * sbitmap.c (sbitmap_a_subset_b_p): New function.
385 * sbitmap.h: Protect from multiple inclusion.
386 (sbitmap_a_subset_b_p): Add prototype.
387 * Makefile.in (LOOP_H): New macro.
388 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
390 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
392 * cppinit.c (CAT): The argument list of this macro may not contain
395 1999-11-29 David S. Miller <davem@redhat.com>
397 Move quantity tables and register equivalence chains into
398 per-qty and per-register structure arrays respectively.
399 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
400 qty_const_insn, qty_comparison_code, qty_comparison_const,
401 qty_comparison_qty): Delete, replace with...
402 (qty_table): this structure table.
403 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
404 (reg_eqv_table): this structure table.
405 (make_new_qty): Add argument MODE. Caller updated.
406 Update to use qty_table and reg_eqv_table.
407 (make_regs_eqv, delete_reg_equiv, insert_regs,
408 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
409 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
410 cse_process_notes, cse_main, cse_basic_block): Likewise.
412 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
414 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
415 operation if C is negative.
416 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
417 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
418 law for some divisions if constant is negative and change other
419 divisions to the opposite rounding.
421 * expr.c (store_constructor_field): If bit position is not multiple
422 of alignment of TARGET's mode, use BLKmode.
424 * expr.c (expand_expr_unaligned): Add more code from full case
425 that is needed when OP0 is in a register.
427 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
429 * dwarfout.c (field_byte_offset): Size can be zero if there was
432 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
434 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
435 (associate_trees): Delete unused var TEM.
436 (extract_muldiv): Delete unused var CANCEL_P.
438 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
439 (target_isinf, target_isnan, target_negative): Add return types to
440 function definitions.
442 1999-11-29 Bruce Korb <autogen@linuxbox.com>
444 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
445 * fixinc/hackshell.tpl: ditto
446 * fixinc/fixtests.c(double_slash_test): more C++ header testing
447 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
449 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
451 * reload.c (push_reload): When looking for a register to put into
452 reg_rtx, make sure all hard regs in a multi-reg register are in the
453 right class and nonfixed.
455 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
456 pending_read_insns, pending_write_insns, pending_read_mems,
457 pending_write_mems, pending_list_length, last_pending_memory_flush,
458 last_function_call, sched_before_next_call): Move static variables
460 (bb_ prefixed versions): Replace with single array bb_deps.
461 (struct deps): New structure.
462 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
463 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
464 argument of type "struct deps *"; use that instead of global
465 variables. All callers changed.
466 (init_rgn_data_dependencies): Delete function.
467 (init_rtx_vector): Delete function.
468 (init_deps): New function.
470 (free_pending_lists): Simplify, we always use the bb_deps array even
471 if only one basic block.
472 (compute_block_backward_dependences): Likewise.
473 (schedule_region): Likewise.
475 (propagate_deps): New function, broken out of
476 compute_block_backward_dependences.
477 (compute_block_backward_dependences): Use it.
479 * alpha.md: Delete useless patterns that tried to work around
480 register elimination problems.
482 * unroll.c (loop_iterations): Don't abort if iteration variable
486 * reload1.c (reloads_conflict): Reverse test comparing operand
487 numbers when testing for conflict between output/outaddr reloads.
489 1999-11-29 David S. Miller <davem@redhat.com>
491 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
493 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
495 1999-11-28 Robert Lipe <robertl@cygnus.com>
497 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
498 table from .fini into .dtor.
500 1999-11-28 Anthony Green <green@cygnus.com>
502 * tree.h (struct tree_decl): Add malloc_flag.
503 (DECL_IS_MALLOC): Define.
504 * c-common.c (attrs): Add A_MALLOC attribute.
505 (init_attributes): Add this attribute to the table.
506 (decl_attributes): Handle malloc attribute.
507 * calls.c (special_function_p): Check for the malloc attribute.
508 * extend.texi (Function Attributes): Document malloc attribute.
510 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
512 * pa.md (reload shift-add patterns): Remove.
514 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
516 * reorg.c (dbr_schedule) Print more statistics. Corrected
517 problem when printing info when 3 delay slots are filled.
519 1999-11-28 Jakub Jelinek <jakub@redhat.com>
521 * combine.c (setup_incoming_promotions): Pass an outgoing
522 regno to FUNCTION_ARG_REGNO_P which it expects.
524 1999-11-28 Andreas Jaeger <aj@suse.de>
526 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
528 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
530 * cccp.c (do_include): Avoid initialization of automatic variable.
532 * integrate.c (mark_stores): Function definition made void, to match
533 previous declaration.
534 * regclass.c (dump_regclass): Ditto.
535 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
537 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
539 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
540 known to be multiple of divisor.
542 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
544 * combine.c (try_combine): Add code to try to merge a set of a
545 two-word pseudo to a constant with a setting of one of those words
548 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
549 (split_tree): Completely rework to make more general.
550 (make_range, fold): Call negate_expr.
551 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
552 (fold, associate): Call new split_tree and associate_trees.
553 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
555 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
557 * loop.c (try_copy_prop): Avoid GNU C extension.
559 1999-11-25 Mark Mitchell <mark@codesourcery.com>
561 * except.c (init_eh_for_function): Still zero eh_return_context,
562 eh_return_stack_adjust, and eh_return_handler.
564 * except.h (eh_status): Adjust documentation for x_protect_list.
565 (begin_protect_partials): New function.
566 * except.c (enqueue_eh_entry): Fix formatting.
567 (get_first_handler): Add consistency check.
568 (add_partial_entry): Adjust usage of protect_list.
569 (emit_cleanup_handler): Save and restore ehqueue.
570 (expand_start_all_catch): Add comment.
571 (begin_protect_partials): New function.
572 (end_protect_partials): Adjust usage of protect_list.
573 (init_eh_for_function): Use xcalloc.
575 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
577 * c-common.c (check_format_info): Don't call a variadic function
578 with a non-literal format string.
580 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
582 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
583 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
586 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
589 * collect2.c (collect_wait): Likewise.
591 * dbxout.c (dbxout_type): Likewise.
593 * gcc.c (do_spec_1): Likewise.
595 * genemit.c (gen_insn, gen_expand): Likewise.
597 * genrecog.c (write_switch, write_subroutine): Likewise.
599 * mips-tfile.c (catch_signal, botch): Likewise.
601 * print-rtl.c (print_rtx): Likewise.
603 * toplev.c (default_print_error_function, report_error_function,
604 _fatal_insn): Likewise.
606 1999-11-25 Mark Mitchell <mark@codesourcery.com>
608 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
610 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
612 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
613 operations when needed.
614 * i386.md (fop_?f_comm): New.
615 (fop_?f_1): Do not accept commutative operands.
617 1999-11-25 Andreas Jaeger <aj@suse.de>
619 * config/mips/mips.md (casesi_internal): Add missing brace.
621 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
623 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
624 (splice_child_die): Handle moving a child DIE from the declaration
625 DIE of a class to its specification.
626 (gen_struct_or_union_type_die): Use 'complete' consistently.
627 (gen_decl_die): Generate the virtual context DIE first.
628 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
630 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
632 * config/mips/mips.md (call_value_multiple_interanal1): New.
634 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
636 * dwarf2out.c (free_AT, free_die): New fns.
637 (remove_children): Call them.
638 (output_line_info): Disable removal of duplicate notes.
640 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
641 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
642 means pretend the type isn't defined.
643 Don't defer emitting types.
644 (gen_type_die_for_member): New fn.
645 (gen_decl_die): Call it.
646 (splice_child_die): New fn.
647 (gen_member_die): Call it rather than generate duplicate dies.
649 Defer emitting information for the abstract instance of an inline
650 until we either inline it or emit an out-of-line copy.
651 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
652 from output_inline_function if DECL_ABSTRACT is also set.
653 (block_ultimate_origin): Likewise.
654 (gen_abstract_function): New fn.
655 (gen_decl_die, gen_inlined_subroutine_die): Call it.
656 (gen_subprogram_die): An abstract instance is not a declaration
657 just because it doesn't match current_function_decl. Don't abort
658 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
659 has an abstract origin.
660 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
661 abstract instance here.
663 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
665 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
666 where we need to reload fpul from a system register.
668 1999-11-24 Andreas Jaeger <aj@suse.de>
670 * config/mips/linux.h (CPP_PREDEFINES): Added.
671 (LINK_SPEC): Remove -Y since this is only needed on sparc.
673 1999-11-24 Andreas Jaeger <aj@suse.de>
675 * config/mips/linux.h (TARGET_VERSION): Added.
676 (HANDLE_SYSV_PRAGMA): Added.
677 (DEFAULT_VTABLE_THUNKS): Added.
679 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
681 * local-alloc.c (qty): New structure and static variable.
682 (qty_phys_reg): Remove, all references changed to qty.
683 (qty_n_refs): Likewise.
684 (qty_min_class): Likewise.
685 (qty_birth): Likewise.
686 (qty_death): Likewise.
687 (qty_size): Likewise.
688 (qty_mode): Likewise.
689 (qty_n_calls_crossed): Likewise.
690 (qty_alternate_class): Likewise.
691 (qty_changes_size): Likewise.
692 (qty_first_reg): Likewise.
693 (alloc_qty): Rename variable QTY to QTYNO.
694 (finf_free_reg): Likewise.
695 (local_alloc): Allocate qty, do not allocate the removed variables.
697 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
699 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
700 when -membedded-pic is passed.
702 * config/mips/mips.md (casesi): Handle 64-bit case too.
703 (casesi_internal_di): New insn.
705 * config/mips/mips.c (embedded_pic_offset): Always make the
706 embedded-pic subtractions relative to the name of the current
707 function by use of the magic string "..CURRENT_FUNCTION".
708 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
710 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
712 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
713 of (const_int 0), when what we really care about is
714 whether it's a zero constant anyway.
715 (div_trap_mips16): Likewise.
717 1999-11-23 Mark Mitchell <mark@codesourcery.com>
719 * loop.c (loop_optimize): Always find_loop_tree_blocks and
720 unroll_block_trees when generating debuggable code.
722 * tree.h (unsave_expr_1): New function.
723 (lang_unsave): New variable.
724 (get_callee_fndecl): New function.
725 * tree.c (unsave_expr_now_r): New function.
726 (lang_unsave): Define.
727 (unsave_expr_1): Likewise.
728 (unsave_expr_now_r): Split out from unsave_expr_now.
729 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
730 call unsave_expr_now_r.
731 (get_callee_fndecl): Define.
733 * Makefile.in (gencheck): Don't depend on lang_tree_files.
734 (gencheck.o): Do depend on lang_tree_files.
736 * integrate.h (copy_decl_for_inlining): New declaration.
737 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
738 (copy_decl_for_inlining): New function.
739 (integrate_parm_decls): Use it.
740 (integrate_decl_tree): Likewise.
742 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
744 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
745 the second two from the first.
746 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
747 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
748 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
750 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
751 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
754 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
756 * pa.md (call_internal_symref, call_value_internal_symref): No mode
757 needed on the address operand.
758 * pa.c (call_operand_address): Check for the correct mode.
760 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
762 * loop.c: Include "basic-block.h".
763 (try_copy_prop, replace_loop_reg): New functions.
764 (load_mems): Detect registers that just hold copies of the hoisted
765 mem, and call try_copy_prop to eliminate them.
766 * Makefile.in (loop.o): Update dependencies.
768 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
770 * Makefile.in (gencheck.o): Depend on gencheck.h.
771 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
772 (insn-peep.o): Depend on except.h and function.h.
773 (insn-attrtab.o): Depend on RECOG_H.
774 (insn-output.o): Depend on toplev.h and flags.h.
775 (gengenrtl.o): Depend on real.h.
776 (gen-protos.o): Depend on cpplib.h and cpphash.h.
777 Unify all dependencies to be on RECOG_H rather than recog.h.
779 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
781 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
782 * configure.in: Try building a bi-arch 32/64-bit compiler on
783 sparc-*-solaris2.7 and higher.
784 * configure: Rebuild.
786 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
788 * config/freebsd.h: New, FreeBSD architecture independent file.
789 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
791 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
792 directly by i386/freebsd.h.
793 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
794 independent configuration file.
795 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
796 directly by i386/freebsd.h.
797 * configure: Rebuilt.
799 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
800 which is in the user's namespace.
801 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
802 `i386' which is not in our namespace.
804 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
806 * invoke.texi (ARM Options): Add in -mno-alignment-traps
808 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
810 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
811 (add_dwarf_attr, add_child_die): Just push onto the front.
812 (reverse_die_lists): New fn.
813 (add_sibling_attributes): Use it.
814 (push_decl_scope): Reorganize.
815 (add_name_and_src_coords_attributes): Don't set file and line for
817 (gen_subprogram_die): An artificial function doesn't need to match
819 (gen_compile_unit_die): Return the generated die. Only add
820 AT_comp_dir if the filename is relative.
821 (remove_AT): Simplify loop. Also free string values.
822 (output_die): A DIE ref can't be null.
823 (output_value_format, value_format): Take a dw_attr_ref.
824 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
825 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
826 AT_addr, AT_lbl): New fns.
830 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
832 * combine.c (combine_simplify_rtx): When handling a SUBREG,
833 take SUBREG_WORD into account.
834 (if_then_else_cond): Likewise.
836 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
838 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
839 clause from BSD license, pursuant with
841 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
843 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
845 * loop.c (load_mems): Reformat slightly.
846 * basic-block.h (regset_head): New typedef.
847 (INIT_REG_SET): New macro.
849 1999-11-22 Bruce Korb <autogen@linuxbox.com
851 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
852 (mips-dec-bsd*): non-functional code
853 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
855 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
856 added three replacement fixes
857 (no_double_slash): removed comments that are not (any longer) pertinent
858 (bad_lval): this fix currently runs against many files.
859 The comment seems to indicate that we should select for files
860 containing 'pragma extern_prefix'.
862 * fixinc/fixinc.x86-linux-gnu: deleted
863 * fixinc/inclhack.sh: regen
864 * fixinc/fixincl.x: regen
865 * fixinc/fixincl.sh: regen
867 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
869 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
870 its code is INSN and it has no notes.
872 1999-11-22 Andrew Haley <aph@cygnus.com>
874 * varasm.c (function_defined): Remove.
875 (make_function_rtl): Don't set function_defined.
876 (make_decl_rtl): Remove global register warning.
877 * regclass.c (no_global_reg_vars): New variable.
878 (globalize_reg): Warn if function has already been defined.
879 (regclass_init): Set no_global_reg_vars.
881 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
883 * regclass.c (reg_pref): New structure and static variable
886 (all uses of prefclass and altclass): Use reg_pref instead.
888 1999-11-21 Nick Clifton <nickc@cygnus.com>
890 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
892 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
893 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
894 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
896 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
898 * varasm.c (output_constructor): Solve problem with long long
899 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
901 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
903 * global.c (allocno): New structure and static variable.
904 (allocno_reg): Remove, all references replaced by allocno.
905 (allocno_size): Likewise.
906 (hard_reg_conflicts): Likewise.
907 (hard_reg_preferences): Likewise.
908 (hard_reg_copy_preferences): Likewise.
909 (hard_reg_full_preferences): Likewise.
910 (regs_someone_prefers): Likewise.
911 (allocno_calls_crossed): Likewise.
912 (allocno_n_refs): Likewise.
913 (allocno_live_length): Likewise.
914 (find_reg): Rename ALLOCNO to NUM.
916 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
918 (may_move_out_cost): New variable.
919 (init_reg_sets_1): Initialize may_move_out_cost.
920 (record_reg_classes): Use may_move_out_cost.
922 * regclass.c (dump_regclass): New function.
923 (regclass): New parameter DUMP, call DUMP_REGCLASS.
924 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
925 pass rtl_dump_file to regclass.
926 * rtl.h (regclass): Update prototype.
928 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
930 * i386.md (neg, not and abs patterns): Revmap to use
931 ix86_expand_unary_operator and ix86_unary_operator_ok.
932 (add?f and sub?f expanders): Force operand 1 to register.
933 * i386.c (ix86_expand_unary_operator): Rewrite.
934 (ix86_unary_operator_ok): Ensure that memory operands
936 (ix86_binary_operator_ok): Do not allow operand 1 to
937 come into memory and operand 0 not.
938 (ix86_expand_binary_operator): Ensure that
939 src1 is not non-matching memory.
941 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
942 to support integer registers and memory.
943 (abss?2_integer): Likewise.
945 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
946 (REG_CLASS_NAMES): Likewise.
947 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
949 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
950 (movsf): Likewise; unify 4th and 5th alternative.
952 (movdf_1): Likewise; rename to movdf_integer.
953 (pushxf): Likewise; rename to pushxf_integer; fix output template;
954 remove redundant splitter.
955 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
956 (movdf_nointeger): New.
957 (movxf_nointeger): New.
958 (pushxf_nointeger): New.
960 * i386.md (extend?f?f): Split to expander and pattern, refuse two
961 memory operands in patterns.
962 (fop*): Refuse two memory operands.
964 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
965 on !TARGET_USE_CLTD CPUs.
967 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
969 * extend.texi: Document C++ restricted pointers and references.
971 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
973 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
974 (invalidate_skipped_set): Call it unconditionally.
975 (cse_set_around_loop): Likewise.
977 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
979 * rtl.texi (mem): Add documentation for alias-set argument
982 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
984 * i386.h (struct_processor_costs): New fields int_load, int_store,
985 fp_move, fp_load and fp_store
986 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
988 (MEMORY_MOVE_COST): New macro.
989 * i386.c (386_cost): Define new fields.
990 (i486_cost): Likewise.
991 (pentium_cost): Likewise.
992 (pentiumpro_cost): Likewise.
995 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
996 Geoffrey Keating <geoffk@cygnus.com>
998 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
1000 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
1003 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
1004 (TARGET_STRICT_ALIGNMENT): New macro.
1005 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
1006 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
1007 * invoke.texi (M680x0 Options): Document -mstrict-align.
1009 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
1010 Richard Henderson <rth@cygnus.com>
1012 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
1013 (ix86_split_long_move): Declare.
1014 * i386.c (split_xf, ix86_split_movdi): Remove.
1015 (ix86_split_to_parts, ix86_split_long_move): New.
1016 * i386.md (dimode move splitters): Use ix86_split_long_move.
1017 (dfmode move splitters): Likewise.
1018 (xfmode move splitters): Likewise.
1019 (movsf_1): Allow F->r.
1020 (movdf_1, movxf_1): Allow F->ro.
1022 1999-11-17 Mark Mitchell <mark@codesourcery.com>
1024 * except.h (struct eh_entry): Add goto_entry_p.
1025 (eh_region_from_symbol): Remove prototype.
1026 * except.c (find_func_region_from_symbol): New function.
1027 (emit_cleanup_handler): Likewise.
1028 (eh_region_from_symbol): Make it static.
1029 (add_new_handler): Verify the argument.
1030 (find_func_region): Update comment.
1031 (expand_eh_region_end): Expand handlers here, rater than waiting
1032 until expand_leftover_cleanups or start_all_catch.
1033 (expand_leftover_cleanups): Don't expand here.
1034 (expand_start_all_catch): Or here.
1035 (expand_rethrow): Check the return value from find_func_region.
1036 * function.c (expand_function_end): Emit the catch_clauses.
1038 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
1040 * integrate.c (expand_inline_function): Add necessary check for NULL.
1042 1999-11-18 Nick Clifton <nickc@cygnus.com>
1044 * toplev.c (main): Correctly detect an unrecognised option.
1046 * cppinit.c (cpp_handle_option): Do not claim to have consumed
1047 a -f option if it has not been recognised.
1049 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
1051 * basic-block.h (update_life_extent): Remove trailing comma on
1052 enumeration type list.
1054 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1056 * varasm.c (output_constructor) Solved problem with long long
1057 bitfields. Corrected calculating this_time and shift. Also
1058 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
1060 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
1062 * flow.c (split_edge): Take looping structure into account when
1063 determining where to put the new block note.
1065 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
1067 * Makefile.in (ggc-none.o): Provide host specific version if
1070 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
1072 * cse.c (delete_trivially_dead_insns): Identify no-op insns
1073 containing subregs too.
1075 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1077 * invoke.texi: Add documentation for -muninit-const-in-rodata.
1078 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
1079 (TARGET_UNINIT_CONST_IN_RODATA): Define.
1080 (text_section): Add switches -munint-const-in-rodata and
1081 -mno-uninit-const-in-rodata.
1082 (ASM_OUTPUT_COMMON): Remove.
1083 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
1084 const objects should be placed in read-only data. Otherwise declare
1087 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
1089 * jump.c (jump_optimize_1): Revert last change.
1091 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
1093 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
1094 test if optimizing for size.
1096 1999-11-17 Mark Mitchell <mark@codesourcery.com>
1098 * Makefile.in (toplev.o): Depend on except.h.
1099 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
1101 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1103 * i386.md (divmodsi4): Rewrite to expander.
1104 (*divmodsi4_nocltd): New.
1105 (*divmodsi4_cltd): New.
1106 (divmodsi4 splitter): Handle the case when input comes in edx.
1107 (udivmodhi4): Do not use constraints in exander.
1108 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
1110 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
1112 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
1113 for the common case.
1115 1999-11-16 Jakub Jelinek <jakub@redhat.com>
1117 * explow.c (hard_function_value): Add outgoing argument.
1118 * expr.h (hard_function_value): Declare it.
1119 * calls.c (expand_call, emit_library_call_value): Update callers.
1120 * function.c (aggregate_value_p): Ditto.
1121 (diddle_return_value): Must look at the outgoing registers
1122 on archs with register windows.
1124 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
1126 * alpha.c (alpha_build_va_list): Use make_lang_type and
1127 initialize TYPE_NAME for the va_list record.
1129 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
1131 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
1133 * ggc.h (struct ggc_statistics): Rearrange elements for better
1134 packing on 64-bit hosts.
1135 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
1136 (compute_nearerout): Likewise.
1138 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
1140 * config/rs6000/rs6000.c (first_reg_to_save): Save
1141 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
1143 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
1145 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
1146 notion of nesting to find the DIE for a type or function.
1147 DIEs can go in limbo even if we got a context_die.
1148 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
1149 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
1151 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
1152 (gen_type_die): Writing out the context doesn't cause member class
1153 template instantiations to be written out as well.
1155 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
1157 * rs6000.h (ASM_OUTPUT_DEF): New.
1158 Based on proposed addition from David Edelsohn.
1160 1999-11-15 Robert Lipe <RobertLipe@usa.net>
1161 Bruce Korb <autogen@linuxbox.com>
1163 * fixinc/inclhack.def
1164 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
1165 (unixware7_byteorder_fix): added. Removes conflicts for new defs
1167 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
1168 (svr4_endian): enabled with SVR5
1169 (svr4_mkdev): simplified syntax and enabled with SVR5
1171 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
1173 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
1174 * configure: Rebuilt.
1175 * config/t-freebsd-thread: New file.
1177 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
1179 * i386.c (ix86_decompose_address): Verify the base is a REG
1180 before trying to examine its register number.
1182 * basic-block.h: Remove all #defines and prototypes related to
1184 (free_bb_mem, compute_preds_succs): Remove prototype.
1185 * rtl.h (free_bb_mem): Remove prototype.
1186 * flow.c (alloc_int_list_node); Remove function.
1187 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
1188 (compute_preds_succs, free_bb_mem): Likewise.
1189 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
1190 * toplev.c (rest_of_compilation): Likewise.
1191 * haifa-sched.c (build_control_flow): Use flow generated edge
1192 list to build the haifa specific edge list.
1193 (find_rgns): Use new CFG data structures instead of pred/succ lists.
1194 (schedule_insns): Do not build pred/succ lists anymore. Instead
1195 build the edge table.
1197 * basic-block.h (dump_bb_data): Remove declaration.
1198 * flow.c (dump_bb_data): Remove function.
1199 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
1200 (sbitmap_union_of_predsucc): Likewise.
1202 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
1203 argument. All callers changed.
1204 (delete_null_pointer_checks_1): No longer need to compute the
1207 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
1208 All callers changed.
1209 (pre_expr_reaches_here_p_work): Likewise.
1210 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
1211 * lcm.c (compute_laterin): Fix initialization of LATER.
1212 (compute_nearerout): Similarly for NEARER.
1214 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1216 * cse.c (set_nonvarying_address_components): Delete unused function.
1217 (refers_to_p): Likewise.
1219 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
1221 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
1224 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1226 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
1227 definition in do while (0).
1229 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
1231 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
1233 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
1235 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
1237 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
1239 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
1240 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
1241 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
1242 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
1244 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
1245 saved on the stack. Output more accurate stack frame statistics
1246 into assembler file.
1248 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
1250 * genextract.c (record_insn_name): New function.
1251 (get_insn_name): No longer a stub.
1252 (main): Call record_insn_name for each insn. After each label
1253 written, print the insn name in a comment.
1255 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1257 * output.h (const_section, init_section, fini_section): Add
1260 * alpha/elf.h (const_section): Delete declaration.
1262 * svr4.h (const_section): Likewise.
1264 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
1266 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
1267 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
1268 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
1270 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
1271 variable-sized array bounds.
1273 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
1275 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
1278 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1280 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
1281 addresses the same way GO_IF_LEGITIMATE_INDEX does.
1283 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1285 * cse.c (hash_arg_in_struct): Delete.
1286 (struct table_elt): Delete elt in_struct.
1287 (struct set): Delete elt src_in_struct.
1288 (merge_equiv_classes): Don't set either hash_arg_in_struct or
1289 the corresponding in_struct elts.
1290 (canon_hash): Likewise.
1291 (safe_hash): Likewise.
1292 (find_best_addr): Likewise.
1293 (record_jump_cond): Likewise.
1294 (cse_insn): Likewise.
1296 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
1298 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
1300 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
1303 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
1305 * function.c (diddle_return_value): Put back check that the DECL_RTL
1306 for the function is a register.
1308 * function.c (diddle_return_value): Use hard_function_value to
1309 get an rtx suitable for use in the USE/CLOBBER insn.
1311 * global.c (global_conflicts): Update comments.
1312 (record_conflicts): No need to record conflicts between pseudos here.
1314 1999-11-11 Bruce Korb <autogen@linuxbox.com>
1316 * fixinc/fixincl.c: Added verbose levels for status messages
1318 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1320 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
1321 operand as argument to expand_and or expand_binop.
1323 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
1325 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
1326 gcc_add_string_root.
1328 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
1330 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
1332 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
1334 * flow.c (compute_flow_dominators): Initially put all blocks on
1336 * lcm.c (compute_antinout_edge, compute_available): Similarly.
1337 * gcse.c (compute_cprop_avinout): Remove.
1338 (compute_cprop_data): Use compute_available.
1339 (delete_null_pointer_checks_1): Use compute_available.
1341 * basic-block.h (compute_available): Returns a void now.
1342 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
1343 to return a value anymore.
1344 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
1345 worklists. Fix boundary cases. Compute maximal solutions.
1346 (compute_laterin, compute_nearerout): Similarly.
1348 * dwarf2out.c (add_AT_location_description): Allow
1349 (mem (plus (pseudo) (...)) too.
1351 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
1353 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
1355 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
1356 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1358 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
1360 * gansidecl.h: Likewise.
1366 * toplev.h: Likewise.
1372 * varray.c: Likewise.
1374 * varray.h: Likewise.
1376 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
1378 * gcov.c (struct arcdata): Add hits and total, remove prob.
1379 (output_branch_counts): New.
1380 (process_args): Set output_branch_counts if -c.
1381 (calculate_branch_probs): Store hits and total instead of
1383 (output_data): Emit counts if output_branch_counts is true.
1384 * gcov.texi (Invoking Gcov): Document -c switch..
1386 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
1388 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
1389 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
1391 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
1393 * invoke.texi (C Dialect Options): Add missing builtins from
1395 * extend.texi (Other Builtins): Copy to this list.
1397 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1399 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
1400 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
1403 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
1405 * flow.c (compute_flow_dominators): No longer treat basic block 0
1406 or (n_basic_blocks - 1) specially. Clear the AUX field before
1407 starting computation of doms/pdoms. Fix initial state for pdoms.
1409 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1411 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
1412 match rtl.o's: added ggc.h and toplev.h
1413 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
1414 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
1415 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
1417 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
1419 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
1420 from HAVE_DOS_BASED_FILESYSTEM.
1421 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
1422 HAVE_DOS_BASED_FILESYSTEM.
1424 (split_directories): Only special-case DOS file names if
1425 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
1426 instead of explicit tests. Conditionalize on !VMS.
1427 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
1428 tests. Conditionalize on !VMS.
1429 (process_command): Only use make_relative_prefix if !VMS.
1430 (free_split_directories): Conditionalize on !VMS.
1431 (DIR_UP): Conditionalize on !VMS.
1433 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
1435 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
1437 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
1439 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
1442 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
1444 * invoke.texi (Environment Variables): Document relative path
1446 * gcc.c (DIR_UP): If not defined, define as "..".
1447 (standard_bindir_prefix): New static, holds target location to
1449 (split_directories): New function to split a filename into
1450 component directories.
1451 (free_split_directories): New function, release memory allocated
1452 by split_directories.
1453 (make_relative_prefix): New function, make a relative pathname if
1454 the compiler is not in the expected location.
1455 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
1456 can figure out an appropriate prefix from argv[0].
1457 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
1458 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
1459 STANDARD_BINDIR_PREFIX.
1461 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1463 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
1465 * config/c4x/c4x.h: Moved prototypes to c4x.h.
1466 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
1467 c4x_secondary_memory_needed) Delete.
1468 (fp_zero_operand): Add mode argument.
1470 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
1472 * reload1.c (reload_reg_free_for_value_p): Don't use a register
1473 that is in reload_reg_used.
1475 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
1477 * config/arm/arm-protos.h: New file: Prototypes for functions
1478 defined in arm.c and pe.c.
1479 * config/arm/arm.h: Fix compile time warnings.
1480 * config/arm/arm.c: Fix compile time warnings.
1481 * config/arm/pe.h: Fix compile time warnings.
1482 * config/arm/aout.h: Fix compile time warnings.
1484 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
1486 * config/m32r/m32r-protos.h: New file: Prototypes for functions
1489 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
1490 Add support for subtargets.
1491 Add prototypes for new predicates.
1492 Add scheduling macros.
1494 * config/m32r/m32r.c: Fix compile time warnings.
1495 (int8_operand): New predicate function.
1496 (reg_or_cmp_int16_operand): New predicate function.
1497 (extend_operand): New predicate function.
1498 (m32r_adjust_code): New scheduling function.
1499 (m32r_adjust_priorty): New scheduling function.
1500 (m32r_sched_init): New scheduling function.
1501 (m32r_sched_reorder): New scheduling function.
1502 (m32r_sched_variable_issue): New scheduling function.
1503 (direct_return): New codegen function.
1504 (m32r_not_same_reg): New rtl testsing function.
1506 * config/m32r/m32r.md: Fix compile time warnings.
1507 Add support for pre decrement and post increment memory
1512 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1514 * global.c (EXECUTE_IF_CONFLICT): Don't define.
1515 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
1516 (find_reg): Likewise.
1518 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
1520 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
1521 to avoid assembler errors.
1523 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
1525 * config/v850/v850-protos.h: New file: Prototypes for functions
1527 * config/v850/v850.h: Move prototypes to v850-protos.h
1528 * config/v850/v850.c: Move prototypes to v850-protos.h
1529 * config/v850/v850.md: Fix compile time warnings.
1531 * config/fr30/fr30-protos.h: New file: Prototypes for functions
1533 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
1534 * config/fr30/fr30.c: Fix compile time warnings.
1535 * config/fr30/fr30.md: Fix compile time warnings.
1537 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
1539 * tree.h (get_containing_scope): Declare it.
1540 * tree.c (get_containing_scope): New fucntion.
1541 (decl_function_context): Use it.
1542 * toplev.c (rest_of_compilation): Use get_containing_scope.
1544 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1546 * Makefile.in (rtl.o): Depend on toplev.h.
1548 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
1550 * cse.c (delete_trivially_dead_insns): Replace alloca with
1552 * except.c (update_rethrow_references): Likewise.
1553 (init_eh_nesting_info): Likewise.
1554 * function.c (identify_blocks): Likewise.
1555 * gcse.c (dump_hash_table): Likewise.
1556 * graph.c (print_rtl_graph_with_bb): Likewise.
1557 * loop.c (combine_movables): Likewise.
1558 (move_movables): Likewise.
1559 (count_loop_regs_set): Likewise.
1560 (strength_reduce): Likewise.
1561 * profile.c (compute_branch_probabilities): New function, split
1563 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
1564 * regclass.c (regclass): Likewise.
1565 * regmove.c (regmove_optimize): Likewise.
1566 * toplev.c (compile_file): Likewise.
1567 (main): Don't mess with the stack rlimit.
1569 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
1571 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
1572 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
1574 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
1576 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
1578 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
1580 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
1581 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
1584 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
1586 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
1588 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
1590 * gcse.c (post_dominators): Kill.
1591 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
1592 (compute_code_hoist_data): Use compute_flow_dominators. Do not
1593 pass in a pdom array since we do not need pdoms.
1594 * haifa-sched.c (schedule_insns): Similarly.
1595 * flow.c (compute_dominators): Remove dead function.
1596 (compute_flow_dominators): Do not compute doms or pdoms if the
1597 caller does not request them. Split up loop to build doms and
1598 pdoms. Use a worklist to compute doms and pdoms.
1599 * basic-block.h (compute_dominators): Remove prototype.
1601 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
1603 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
1604 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
1605 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
1606 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
1607 (cant_move, fed_by_spec_load, is_load_insn): Remove.
1608 (schedule_region): Remove unused variable.
1609 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
1611 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
1613 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
1614 (update_equiv_regs): Likewise.
1615 (block_alloc): Likewise.
1616 * reg-stack.c (reg_to_stack): Likewise.
1617 (convert_regs_2): Likewise.
1618 * reload1.c (reload_as_needed): Likewise.
1620 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
1622 * Makefile.in (dbxout.o): Depend on ggc.h.
1623 (dwarf2out.o): Likewise.
1624 (xcoffout.o): Likewise.
1625 * dbxout.c: Include ggc.h.
1626 (dbxout_init): Register lastfile as a root.
1627 * dwarf2out.c: Include ggc.h.
1628 (dwarf2out_line): Register lastfile as a root.
1629 * xcoffout.c: Include ggc.h.
1630 (xcoffout_source_line): Register xcoff_lastfile as a root.
1632 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
1634 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
1636 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
1638 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
1640 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1642 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1644 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
1645 (EXECUTE_IF_CONFLICT): Likewise.
1646 (ALLOCNO_LIVE_P): Avoid signed division.
1647 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
1648 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
1649 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
1651 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
1653 * haifa-sched.c (schedule_block): Don't crash if there's no
1654 next insn for an interblock movement.
1655 (add_branch_dependences): Don't allow clobber insns to move either.
1657 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
1659 * i386.c (split_xf): New.
1660 * i386-protos.h: Declare it.
1661 * i386.md (movxf_1): Add general regs alternatives.
1662 (movxf_1+1): New splitter for same.
1664 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
1666 * function.c (purge_addressof_1): Add missing return values.
1668 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
1670 * function.c (is_addressof): New function. Returns true if
1671 the given piece of RTL is an ADDRESSOF.
1672 (purge_addressof_1): Make boolean. Return false if the
1673 ADDRESSOFs could not be purged.
1674 (purge_addressof): If ADDRESSOFs could not be purged from the
1675 notes attached to an insn, remove the offending note(s),
1676 unless they are attached to a libcall.
1678 1999-11-05 Andreas Jaeger <aj@suse.de>
1680 * genoutput.c (null_operand =): Initialize all fields.
1682 * errors.h: Add extern to prototypes.
1684 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
1686 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
1687 * configure: Rebuilt.
1689 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1691 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
1692 (mirror_conflicts): New function.
1693 (global_alloc): Call it.
1694 (expand_preferences): Remove redundant CONFLICTP test.
1695 (find_reg, dump_conflicts): Likewise.
1696 (prune_preferences): Process conflicts one word at a time.
1698 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
1700 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
1701 instead of an explicit loop.
1703 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
1705 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
1706 if REG_RETVAL check succeeds, then put classp in src_elt.
1708 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
1710 * function.c (pad_to_arg_alignment): Only update argument_pad
1711 if the argument's alignment is greater than STACK_BOUNDARY.
1713 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
1715 * bitmap.h (BITMAP_XFREE): New.
1716 * flow.c (life_analysis): Use it.
1717 (life_analysis_1): Free blocks.
1719 * combine.c (undo_commit): New.
1720 (try_combine): Use it. Don't zap undobuf.undos.
1721 (combine_instructions): Don't zap undobuf.undos; free the
1724 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
1726 * stmt.c (cost_table_): New.
1727 (estimate_case_costs): Use it instead of xmalloc.
1729 * toplev.c (compile_file): Reuse dumpname memory instead
1732 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
1734 * reg-stack.c (convert_regs_1): Initialize target_stack->top
1735 after verifying an EH edge.
1737 * haifa-sched.c (init_rgn_data_dependences): Correctly
1738 size bb_pending_lists_length when zeroing.
1740 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
1742 * function.c (diddle_return_value): New.
1743 (expand_function_end): Use it.
1744 * stmt.c (expand_null_return): Likewise.
1745 (expand_value_return): Likewise.
1747 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
1749 * reload1.c (reload): Don't remove return value clobbers.
1751 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
1753 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
1755 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
1757 * cse.c (cse_main): Use xmalloc, not alloca.
1758 (cse_basic_block): Likewise.
1759 * local-alloc.c (local_alloc): Likewise.
1761 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
1762 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1764 * rtl.c: Include toplev.h.
1765 (fatal): Remove declaration.
1767 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
1769 * haifa-sched.c (schedule_block): Fix thinko.
1771 1999-11-03 James McKelvey <mckelvey@fafnir.com>
1773 * fixinc/fixincl.c(create_file): Allow for systems that do not have
1774 S_IR* defined values
1776 1999-11-03 Philippe De Muyter <phdm@macqel.be>
1778 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
1779 call `malloc' instead.
1781 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
1783 * flags.h (flag_renumber_insns): Declare.
1784 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
1786 * rtl.h (renumber_insns): Change prototype.
1787 * toplev.c (flag_renumber_insns): Define.
1788 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
1790 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
1792 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
1793 and fpsqrtd. Use them and create fdiv function unit to more
1794 accurately represent fpu sqrt pipeline semantics on UltraSparc.
1795 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
1797 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
1799 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
1801 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
1802 insn into ready list, do not use just a raw swap.
1804 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
1806 * rtl.h (renumber_insns): New function.
1807 (remove_unnecessary_notes): Likewise.
1808 * emit-rtl.c (renumber_insns): Define.
1809 (remove_unncessary_notes): Likewise.
1810 * toplev.c (rest_of_compilation): Remove dead code.
1811 Use renumber_insns and remove_unncessary_notes.
1813 * gcse.c (struct null_pointer_info): New type.
1814 (get_bitmap_width): New function.
1815 (current_block): Remove.
1816 (nonnull_local): Likewise.
1817 (nonnull_killed): Likewise.
1818 (invalidate_nonnull_info): Take a null_pointer_info as input.
1819 (delete_null_pointer_checks_1): New function.
1820 (delete_null_pointer_checks): Use it.
1822 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
1823 (split_edges): Likewise.
1824 (schedule_block): Likewise.
1825 (compute_block_backward_dependencies): Likewise.
1826 (schedule_region): Likewise.
1827 (schedule_insns): Likewise.
1829 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
1831 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
1832 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
1833 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
1834 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
1835 * jump.c (delete_unreferenced_labels): Don't delete if
1836 LABEL_ALTERNATE_NAME is set.
1837 * print-rtl.c (print_rtx): Dump alternate name.
1838 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
1839 * rtl.h (LABEL_ALTERNATE_NAME): Define.
1840 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
1841 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
1843 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1845 * fix-header.c (recognized_extern, recognized_function): Constify
1848 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
1849 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
1850 (compute_available): Remove unused variable `last'.
1851 (compute_nearerout): Remove unused variable `temp_bitmap'.
1852 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
1853 Remove unused variable `x'.
1855 * scan.h (recognized_function, recognized_extern): Constify a
1858 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
1860 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1862 * varasm.c (decode_rtx_const): Use XSTR to access the string
1865 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
1867 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
1869 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1871 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
1873 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
1875 * pa.c (ireg_operand): New function.
1876 * pa.h (PREDICATE_CODES): Handle ireg_operand.
1877 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
1878 Fix out of date comment.
1880 * pa.md (negdi2): Turn into expander + anonymous pattern.
1882 * reload.c (find_reloads): Fix typos in recent change.
1884 * dwarf2out.c: Do not include ctype.h.
1886 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1888 * regclass.c (record_reg_classes): Always use may_move_cost when
1889 seeing how operand fits with various register classes.
1891 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
1893 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
1894 * toplev.c: Revert Nov 1 13:22 change.
1896 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
1898 * config/pa/pa.md (height reduction patterns): Add checks for
1899 overlapping operands to avoid semantic-destroying splits for
1900 height reduction patterns.
1902 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1904 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
1905 have been an hyphen, fixed.
1906 * configure: Rebuilt.
1908 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
1910 * config/arm/tpe.h: Add prototypes for exported functions.
1911 * config/arm/pe.c: Fix compile time warnings.
1912 * config/arm/semi.h: Fix compile time warnings.
1913 * config/arm/arm.c: Fix compile time warnings.
1914 * config/arm/arm.h: Fix compile time warnings.
1915 * config/arm/arm.md: Fix compile time warnings.
1916 * config/arm/thumb.c: Fix compile time warnings.
1917 * config/arm/thumb.h: Fix compile time warnings.
1918 * config/arm/thumb.md: Fix compile time warnings.
1920 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
1922 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
1925 * unroll.c (unroll_loop): Remove LOOP notes when loop is
1926 completely unrolled.
1928 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1930 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
1932 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
1934 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
1935 * rtl.h (rtx_equal_p): Move prototype.
1936 * rtl.c (rtx_equal_function_value_matters): Move from
1938 (rtx_equal_p): Likewise.
1939 * rtlanal.c (rtx_equal_function_value_matters): Delete.
1940 (rtx_equal_p): Likewise.
1942 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
1944 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
1947 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
1949 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
1951 * pa.h (ADDR_VEC_ALIGN): Define.
1953 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
1954 notes when presented with "if (foo) break; end_of_loop" and
1955 the break sequence gets moved out of the loop.
1957 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
1958 Remove explicit zero initializations of entries within MAP.
1960 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
1962 * reg-stack.c (convert_regs_1): Handle EH edges specially.
1964 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
1966 * bitmap.h (BITMAP_XMALLOC): New macro.
1967 * flow.c (CLEAN_ALLOCA): Remove.
1968 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
1969 (life_analysis): Likewise.
1970 (update_life_info): Don't use CLEAN_ALLOCA.
1971 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
1972 (calculate_global_regs_live): Likewise.
1973 (print_rtl_with_bb): Likewise.
1974 (verify_flow_info): Likewise.
1975 * global.c (global_alloc): Likewise.
1976 (global_conflicts): Likewise.
1977 * integrate.c (save_for_inline_nocopy): Likewise.
1978 (expand_inline_function): Likewise.
1979 * jump.c (jump_optimize_1): Likewise.
1980 (duplicate_loop_exit_test): Likewise.
1981 (thread_jumps): Likewise.
1982 * loop.c (loop_optimize): Likewise.
1983 (combine_givs): Likewise.
1984 (recombine_givs): Likewise.
1985 * reorg.c (dbr_schedule): Likewise.
1986 * unroll.c (unroll_loop): Likewise.
1988 * combine.c (combine_instructions): Use xmalloc instead of alloca.
1990 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
1992 * toplev.c (rest_of_compilation): Don't optimize the CFG
1993 when rebuilding, just before dbr.
1995 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1997 * output.h (assemble_end_function, assemble_destructor,
1998 assemble_constructor, assemble_gc_entry, assemble_global,
1999 assemble_label, output_constant_pool) Constify a char*.
2001 * varasm.c (assemble_destructor, assemble_constructor,
2002 assemble_gc_entry, assemble_end_function, assemble_global,
2003 assemble_label, output_constant_pool): Likewise.
2005 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
2007 * config/arm/thumb.c (thumb_expand_prologue): Add comments
2008 explaining what is goin on in this function.
2010 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2012 * regclass.c (record_reg_classes): In matching case, recompute
2013 costs since the direction of movement is different.
2015 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
2017 * resource.c (mark_target_live_regs): For unconditional branches,
2018 the resources found at the branch target should be added to the
2019 resources found so far, not intersected.
2021 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
2023 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
2025 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
2026 (sys/mman.h): Include this file only if #HAVE_MMAP.
2027 (run_compiles): Initialize `esac_fmt' with one old KR string, not
2028 with automatically concatenated ANSI strings.
2030 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
2032 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
2033 (DIV_ROUND_UP): Robustify.
2034 (ggc_recalculate_in_use_p): New function.
2035 (release_pages): Don't inline it.
2036 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
2038 (ggc_pop_context): Use ggc_recalculate_in_use_p.
2039 (clear_marks): Always save in_use_p.
2040 (sweep_pages): Use ggc_recalculate_in_use_p.
2041 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
2042 Release pages before counting statistics.
2044 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
2046 * toplev.c (rest_of_compilation): Fix thinko in this change:
2048 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
2050 (rest_of_compilation): If inside an inlined external function,
2051 pretend we are just being declared.
2053 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
2055 * flow.c (calculate_global_regs_live): Fix thinko.
2057 * integrate.c (expand_inline_function): Fix bugs in previous
2058 change from Oct 28, 1999.
2060 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
2062 * stmt.c (expand_value_return): Fix typo in this change:
2064 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2065 (expand_value_return): Correctly convert VAL when promoting function
2066 return; support RETURN_REG being a PARALLEL.
2068 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
2070 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
2072 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2074 * hard-reg-set.h (reg_names): Constify a char*.
2076 * regclass.c (reg_names): Likewise.
2078 * regs.h (reg_names): Likewise
2080 * a29k/a29k.c (reg_names): Delete declaration.
2082 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
2084 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
2085 arc_output_function_epilogue): Likewise.
2087 * elxsi/elxsi.c (reg_names): Likewise.
2089 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
2091 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
2094 * m88k/m88k.c (output_function_profiler): Likewise.
2096 * sparc/sparc.c (sparc_flat_output_function_prologue,
2097 sparc_flat_output_function_epilogue): Likewise.
2099 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
2101 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
2102 warning from -Wuninitialized and put it under -W.
2103 * function.c (uninitialized_vars_warning): Warn only when the
2104 corresponding flag is set.
2106 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
2108 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
2109 is nonzero and the single set does not have an elt, then assign
2112 * simplify-rtx.c: New file.
2113 * Makefile.in (OBJS): Add simplify-rtx.o
2114 (simplify-rtx.o): Add dependencies.
2115 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
2116 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
2117 (cse_gen_binary, simplify_unary_operation): Delete.
2118 (simplify_binary_operation, simplify_plus_minus): Likewise.
2119 (check_fold_consts, simplify_relation_operation): Likewise.
2120 (simplify_ternary_operation): Likewise.
2121 (delete_trivially_dead_insns): Simplify the contents of the
2122 REG_EQUAL note before trying to substitute it into the source
2123 of the reg-reg copy at the end of a libcall sequence.
2125 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
2126 references/callers changed.
2128 * mn10200.c (mn10200_va_arg): Force the return value into a
2131 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
2133 * cccp.c (macroexpand): Avoid out of range accesses for omitted
2136 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
2138 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
2140 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
2142 * fold-const.c (fold): Fix thinko when optimizing comparisons
2145 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
2147 * gcc.texi (Passes): Update front-end files to their current
2150 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
2152 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
2153 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2154 (PREDICATE_CODES): Add addition_operation.
2155 * alpha-protos.h (addition_operation): Declare.
2156 (secondary_reload_class): Likewise.
2157 * alpha.c (addition_operation): New.
2158 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
2159 * alpha.md (adddi3): Turn into expander.
2160 (*lda, *adddi_2): New.
2161 (movsf, movdf patterns): Don't preference integer regs.
2162 (movsi, movdi patterns): Don't preference fp regs.
2164 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
2166 * genrecog.c (write_switch): Check for duplicate CODE cases.
2168 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
2170 * ggc-common.c: Update pre-function commentary.
2171 * ggc-page.c: Likewise.
2173 (poison_pages): Use memset directly.
2174 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
2175 (ggc_collect): Poison before sweeping.
2176 * ggc-simple.c: Update pre-function commentary.
2177 (ggc_alloc_obj): Poison non-zeroed memory.
2179 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
2181 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
2182 match format string, even on 64-bit hosts.
2183 * gcc-page.c (ggc_page_print_statistics): Likewise.
2185 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
2187 * config/i386/i386.c (ix86_cpu): Revert last patch.
2188 * config/i386/i386.h (ix86_cpu): Ditto.
2190 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
2192 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
2193 TYPE_SIZE, convert type of result to sizetype.
2195 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
2197 * flow.c (count_or_remove_death_notes): Equate NULL with the
2200 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
2201 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
2204 * i386.c (pic_label_no): Delete.
2205 (ix86_attr_length_default): Don't use single_set to peek
2208 * recog.c (peephole2_optimize): Allow recog_next_insn to index
2209 the first insn after bb->end.
2210 * i386.md (push mem peeps): Scratch is live after evaluation
2212 (cmp mem peep): Similarly.
2214 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
2216 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
2217 * function.c (pad_to_arg_alignment): Add missing braces.
2219 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2221 * alpha/alpha-protos.h (literal_section): Add prototype.
2222 (alpha_need_linkage, alpha_start_function,alpha_end_function):
2225 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
2227 (alpha_start_function, alpha_end_function, float_strings,
2228 alpha_need_linkage): Constify a char*
2230 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
2232 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
2234 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
2236 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
2238 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2240 * flow.c (debug_flow_info): Add prototype.
2242 * gcc.c (main): Likewise.
2244 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
2247 * reload1.c (failed_reload, set_reload_reg): Likewise.
2249 * mips-tfile.c (main): Likewise.
2250 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
2251 with ATTRIBUTE_NORETURN.
2253 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
2255 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
2256 DECL is not a memory ref.
2258 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
2260 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
2261 * config/i386/i386.c (ix86_cpu): Add extern attribute.
2263 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
2265 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
2266 * config/mips/elf64.h: ditto.
2268 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
2270 * expr.c (emit_push_insn): New argument alignment_pad.
2271 Update all callers. Adjust stack pointer based on alignment pad.
2272 * function.c (pad_to_arg_alignment): New argument alignment_pad.
2273 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
2274 (locate_and_pad_parm): New argument alignment_pad. Update all
2276 * expr.h (emit_push_insn): Update prototype.
2277 (locate_and_pad_parm): Update prototype.
2278 * calls.c (arg_data): Add new field alignment_pad.
2279 (initialize_argument_information): Initialize alignment_pad.
2281 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
2283 * except.c (free_eh_nesting_info): Free the info itself.
2284 * function.c (free_after_compilation): Don't free NULL.
2285 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
2286 (pre_edge_insert): Free inserted.
2287 * stmt.c (free_stmt_status): Don't free NULL.
2289 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
2291 * gcov.c (DIR_SEPARATOR): Provide default.
2292 (output_data): Add test for MS-DOS format absolute filename.
2293 (fancy_abort): Correct program name.
2294 (open_files): Open all files in binary mode.
2295 * libgcc2.c (__bb_exit_func): Likewise.
2297 * profile.c (init_branch_prob): Specify binary when opening files.
2299 * flags.h (flag_unwind_tables): New decl.
2300 * toplev.c (flag_unwind_table): New definition.
2301 (f_options): Add -funwind-tables.
2302 (decode_g_option): Clarify warning when unknown -g option is given.
2303 (rest_of_compilation): If inside an inlined external function,
2304 pretend we are just being declared.
2306 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
2307 (dwarf2out_frame_finish): Likewise.
2309 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
2311 * fold-const.c (merge_ranges): In not in0, but in1, handle
2312 upper bounds equal like subset case.
2314 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
2316 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
2317 passed in a register but moved to the stack.
2319 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
2321 * gcc.c (pass_exit_codes, greatest_status): New variables.
2322 (struct option_map): Add entry for "--pass-exit-codes".
2323 (execute): Update greatest_status if error.
2324 (display_help): Add documentation for -pass-exit-codes.
2325 (process_command): Handle -pass-exit-codes.
2326 (main): Look at pass_exit_codes and greatest_status on call to exit.
2328 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2330 * reload.c (find_reloads): Refine test for no input reload
2331 case to not includes reloads emitted after insn.
2333 * function.c (find_temp_slots_from_address): Handle sum involving
2334 a register that points to a temp slot.
2335 (update_temp_slot_address): Make recursive call if both old and
2336 new are PLUS with a common operand.
2337 * calls.c (expand_call): Mark temp slot for result as having
2340 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
2342 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
2343 component as well as "BINUTILS".
2345 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
2346 * integrate.c (copy_rtx_and_substitute): Likewise.
2347 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
2348 All callers changed.
2349 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
2351 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
2352 gdb extensions, write size of type; also be more consistent
2353 in using references when this is a subtype.
2355 * pa.md (extv, extzv, insv): Use define_expand to reject constant
2356 that is out of range.
2358 * loop.c (unknown_constant_address_altered): New variable.
2359 (prescan_loop): Initialize it.
2360 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
2361 (invariant_p, case MEM): Remove handling for volatile and readony;
2362 check new variable if readonly.
2363 (check_dbra_loop): Chdeck unknown_constant_address_altered.
2365 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
2366 (addr_affects_sp_p): Removed from note_mem_written and only
2367 define #ifdef AUTO_INC_DEC.
2369 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
2371 * regclass.c (record_reg_classes): Properly handle register move
2374 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
2375 Don't think valid if both operands are invalid.
2376 (struct constant_descriptor): New field RTL.
2377 (mark_const_hash_entry): Mark it.
2378 (record_constant{,_rtx}): Initialize it.
2379 (output_constant_def): Allocate RTL in permanent obstack and
2381 ({record,compare}_constant_1): Modes must match for
2382 CONSTRUCTOR of ARRAY_TYPE.
2384 * c-common.h (initializer_constant_valid_p): Delete decl from here.
2385 * output.h (initializer_constant_valid_p): Move decl to here.
2386 * c-common.c (initializer_constant_valid_p): Delete function from here.
2387 * varasm.c (initializer_constant_valid_p): Move function to here.
2389 * tree.h (STRIP_SIGN_NOPS): New macro.
2390 * fold-const.c (optimize_minmax_comparison): New function.
2391 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
2392 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
2393 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
2394 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
2395 widening conversions.
2396 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
2397 to look at size of mode, not precision of type; also add missing cases.
2398 (optimize_bit_field_compare, decode_field_reference): Don't try to
2399 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
2401 * dwarf2out.c (ctype.h): Include.
2402 (dwarf2out_set_demangle_name_func): New function.
2403 (size_of_line_info): Deleted.
2404 (output_line_info): Compute size of line info table from difference
2406 (base_type_die, add_name_attribute): Call demangle function, if any.
2407 (field_byte_offset): Use bits per word for variable length fields.
2408 (gen_array_type_die): Add array name.
2409 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
2410 (dwarf2out_add_library_unit_info): New function.
2412 * explow.c (set_stack_check_libfunc): New function.
2413 (stack_check_libfunc): New static variable.
2414 (probe_stack_range): Allow front-end to set up a libfunc to call.
2416 * combine.c (simplify_comparison): When making comparison in wider
2417 mode, check for having commuted an AND and a SUBREG.
2418 (contains_muldiv): New function.
2419 (try_combine): Call it when dividing a PARALLEL.
2420 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
2421 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
2423 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
2424 use one of the CLOBBERs instead.
2425 (if_then_else_cond): If comparing against zero, just return thing
2428 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
2429 Don't generate shifts and subtract if have conditional arithmetic.
2431 * rtl.h (delete_barrier): New declaration.
2432 * jump.c (jump_optimize): Set up to handle conditional call.
2433 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
2434 (delete_barrier): New function.
2436 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
2438 * recog.c (nonmemory_operand): Accept ADDRESSOF.
2440 * tree.c (build_type_attribute_variant): Push to obstack of
2441 ttype around type_hash_canon call.
2443 * expr.c (placeholder_list): Move decl to file scope.
2444 (expand_expr): Don't force access to volatile just because its
2446 If ignoring reference operations, just expand the operands.
2447 (expand_expr, case COMPONENT_REF): Propagate
2448 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
2449 Refine test for using bitfield operations vs pointer punning.
2450 (expand_expr, case CONVERT_EXPR): If converting to
2451 BLKmode UNION_TYPE from BLKmode, just return inner object.
2452 Use proper mode in store_field call.
2453 Properly set sizes of object to store and total size in store_field
2454 call for convert to union.
2455 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
2456 memory (like for ADDR_EXPR). Also, don't put constant in register if
2457 we'll want it in memory.
2458 (readonly_fields_p): New function.
2459 (expand_expr, case INDIRECT_REF): Call it if LHS.
2460 (expand_assignment): Handle a RESULT_DECL where
2461 DECL_RTL is a PARALLEL.
2462 (do_jump, case WITH_RECORD_EXPR): New case.
2463 (get_inner_reference): Always go inside a CONVERT_EXPR
2464 and NOP_EXPR if both modes are the same.
2465 (store_field): Use bitfield operations if size of bitsize is not same
2466 as size of RHS's type.
2467 Check for bitpos not a multiple of alignment in BLKmode case.
2468 Do block move in largest possible alignment.
2469 (store_constructor): Set BITSIZE to -1 for variable size and properly
2470 in case of array of BLKmode.
2471 (expand_expr_unaligned): New function.
2472 (do_compare_and_jump): Call it.
2474 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
2475 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
2476 does not include 'o'.
2478 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
2479 both SET_DEST and SET_SRC reference a virtual register.
2480 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
2482 * integrate.c (expand_inline_function): Handle case of setting
2483 virtual stack vars register (from built in setjmp); when parameter
2484 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
2485 (subst_constant): Add new parm, MEMONLY.
2486 (expand_inline_function, integrate_parm_decls): Pass new parm.
2487 (integrate_decl_tree): Likewise.
2488 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
2489 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
2490 (copy_rtx_and_substitute, case SET): Add explicit calls to
2491 copy_rtx_and_substitute for both sides.
2493 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
2495 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
2496 within INDEX_TYPE, instead of before.
2497 (fixup_gotos): Use f->target_rtl, not the next insn,
2498 since latter may be from a later fixup.
2499 (expand_value_return): Correctly convert VAL when promoting function
2500 return; support RETURN_REG being a PARALLEL.
2501 (expand_return): When checking for result in regs and having
2502 cleanup, consider PARALLEL in DECL_RTL as being in regs.
2504 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
2506 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
2507 last_nominal_fname): Mark const.
2508 (struct include_hash: name, nshort, control_macro): Mark
2510 (struct macrodef: symnam): Mark const.
2511 (struct if_stack: fname): Mark const.
2512 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
2513 (IStable): New character-syntax array which encompasses all
2514 the old is_foo arrays.
2515 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
2516 is_space): New macros for interrogating IStable.
2517 (check_macro_name): Kill last argument. All callers changed.
2519 * cppinit.c (initialize_char_syntax): Delete.
2520 (is_idchar, is_idstart, is_hor_space, is_space,
2521 trigraph_table): Delete.
2522 (IStable): New. Initialize with clever macros to avoid
2523 information duplication.
2524 (builtin_array): Table of builtins to get rid of explicit list
2525 in initialize_builtins.
2526 (initialize_builtins): Use builtins_array.
2527 (cpp_start_read): Call init_IStable, and set IStable['$'] if
2528 opts->dollars_in_ident.
2530 * cppexp.c: Change all refs to is_xyz[] arrays to use new
2532 (cpp_parse_expr): Avoid 'format string is not constant'
2533 warning. Use ISGRAPH to identify printable chars.
2534 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
2536 (read_and_prescan): Map trigraphs to chars with open-coded
2537 if-else-if-... sequence, not a lookup table.
2538 * cpphash.c: Change all refs to is_xyz[] arrays to use new
2540 * cpplib.c: Change all refs to is_xyz[] arrays to use new
2541 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
2542 (check_macro_name): Remove ability to report an invalid
2543 assertion name, which is never used.
2544 (do_line): Constify a couple of char *'s.
2545 * cppmain.c (main): Call cpp_cleanup before returning.
2547 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
2549 * ggc.h (struct ggc_statistics): New type.
2550 (ggc_get_size): New function.
2551 (ggc_print_statistics): Likewise.
2552 * ggc-common.c (ggc_stats): New variable.
2553 (ggc_mark_rtx_children): Keep statistics.
2554 (ggc_mark_tree_children): Likewise.
2555 (ggc_print_statistics): New function.
2556 * ggc-page.c (struct globals): Add bytes_mapped field.
2557 (alloc_anon): Update it.
2558 (release_pages): Likewise.
2559 (ggc_get_size): New function.
2560 (ggc_page_print_statistics): New function.
2561 * ggc-simple.c (ggc_get_size): New function.
2563 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
2565 * flow.c (propagate_block): When the last reference to a label
2566 before an ADDR_VEC is deleted because the reference is a dead
2567 store, delete the ADDR_VEC.
2569 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
2571 * resource.c (find_free_register): Don't use the frame pointer
2572 if frame_pointer_needed.
2574 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
2576 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
2577 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
2579 * config/i960/i960.c (i960_va_start): New locals base, num.
2580 Use INDIRECT_REF instead of ARRAY_REF on valist.
2581 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
2583 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
2585 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
2587 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
2589 * tree.def (PLACEHOLDER_EXPR): Update comments.
2591 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2593 * c-common.c (check_format_info): Avoid non-literal format string
2594 warnings when `first_arg_num' is zero.
2596 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2598 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
2600 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2602 * arm.md (casesi_insn): Add a clobber of the condition code
2605 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
2607 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
2608 used by both cc1 and cc1plus.
2610 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
2612 * config/arm/arm.c: Initialise arm_structure_size_boundary to
2613 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
2614 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
2615 to the value 32 if it has not already been defined.
2616 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
2617 Override definition in arm.h with a value of 8.
2619 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
2621 * c-pragma.c (push_alignment): Don't check the return value
2624 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
2626 * sparc.h (ADJUST_COST): Fix thinko.
2628 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
2630 * cccp.c (rescan): Fixed obp pointer handling around call to
2631 check_expand subroutine.
2633 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
2635 * gcse.c (delete_null_pointer_checks): Only record non-null info
2636 for pseudos when examining stores.
2638 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
2639 splitters for these patterns. Use "#" for output templates.
2640 (addsi3_carryin_shift): New pattern.
2642 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
2644 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
2645 of the function return register into a plain REG until
2646 after function inlining is done.
2648 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
2650 * jump.c (jump_optimize_1): If we did cross-jumping, and
2651 the data will matter, rebuild the CFG.
2652 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
2653 not optimizing. Don't run shorten_branches.
2654 * toplev.c (rest_of_compilation): Run shorten_branches after
2657 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
2659 * rtl.h (note_stores): Add additional paramter.
2660 * rtlanal.c (reg_set_p_1): Take additional paramter.
2661 (reg_set_last_1): Likewise.
2662 (reg_set_p): Adjust call to note_stores.
2663 (reg_set_last): Likewise.
2664 (note_stores): Pass data parameter to worker function.
2665 * alias.c (record_set): Take additional parameter.
2666 (init_alias_analysis): Pass it.
2667 * caller-save.c (mark_set_regs): Take additional parameter.
2668 (save_call_clobbered_regs): Pass NULL to note_stores.
2669 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
2671 (record_dead_and_set_regs_1): Likewise.
2672 (reg_dead_at_p_1): Likewise.
2673 (combine_instructions): Adjust calls to note_stores.
2674 (try_combine): Likewise.
2675 (record_dead_insn): Remove.
2676 (record_dead_and_set_regs): Adjust calls to note_stores.
2677 (reg_dead_at_p): Likewise.
2678 * cse.c (invalidate_skipped_set): Take additional parameter.
2679 (cse_check_loop_start): Likewise.
2680 (cse_check_loop_start_value): Remove.
2681 (cse_set_around_loop): Adjust calls to note_stores.
2682 * flow.c (notice_stack_pointer_modification): Take additional
2683 parameter. Remove duplicate declaration.
2684 (record_volatile_insns): Adjust calls to note_stores.
2685 * gcse.c (record_set_info): Take additional parameter.
2686 (record_last_set_info): Likewise.
2687 (invalidate_nonnull_info): Likewise.
2688 (record_set_insn): Remove.
2689 (compute_sets): Adjust calls to note_stores.
2690 (last_set_insn): Remove.
2691 (compute_hash_table): Adjust calls to note_stores.
2692 (insert_insn_end_bb): Likewise.
2693 (delete_null_pointer_checks): Likewise.
2694 * global.c (mark_reg_store): Take additional parameter.
2695 (mark_reg_clobber): Likewise.
2696 (reg_becomes_live): Likewise.
2697 (global_conflicts): Adjust calls to note_stores.
2698 (build_insn_chain): Likewise.
2699 * integrate.c (note_modified_parmregs): Take additional parameter.
2700 (mark_stores): Likewise. Make it static.
2701 (save_for_inline_nocopy): Adjust calls to note_stores.
2702 (try_constants): Likewise.
2703 * integrate.h (mark_stores): Remove declaration.
2704 * jump.c (mark_modified_reg): Take additional parameter.
2705 (thread_jumps): Adjust calls to note_stores.
2706 * local-alloc.c (validate_equiv_mem_from_store): Take additional
2708 (no_equiv): Likewise.
2709 (reg_is_set): Likewise.
2710 (validate_equiv_mem): Adjust calls to note_stores.
2711 (update_equiv_regs): Likewise.
2712 (block_alloc): Likewise.
2713 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
2714 (note_addr_stored): Take additional parameter.
2715 (note_set_pseudo_multiple_uses): Likewise.
2716 (record_initial): Likewise.
2717 (prescan_loop): Adjust calls to note_stores.
2718 (strength_reduce): Likewise.
2719 (check_dbra_loop): Likewise.
2720 * regmove.c (flags_set_1): Take additional paramter.
2721 (mark_flags_life_zones): Adjust calls to note_stores.
2722 * reload1.c (mark_not_eliminable): Take additional parameter.
2723 (forget_old_reloads_1): Likewise.
2724 (reload_cse_invalidate_rtx): Likewise.
2725 (reload_cse_check_clobber): Likewise.
2726 (reload_combine_note_store): Likewise.
2727 (move2add_note_store): Likewise.
2728 (reload): Adjust calls to note_stores.
2729 (reload_as_needed): Likewise.
2730 (emit_reload_insns): Likewise.
2731 (reload_cse_regs_1): Likewise.
2732 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
2733 (reload_combine): Adjust calls to note_stores.
2734 * resource.c (update_live_status): Take additional paramter.
2735 (mark_target_live_regs): Adjust calls to note_stores.
2736 * stupid.c (find_clobbered_regs): Take additional parameter.
2737 (stupid_life_analysis): Adjust calls to note_stores.
2739 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
2741 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
2744 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
2747 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
2748 of the variable arm_structure_size_boundary.
2750 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
2752 * alias.c (init_alias_analysis): Allocate reg_known_value and
2753 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
2755 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
2756 * cse.c (cse_main): Call end_alias_analysis.
2757 * haifa-sched.c (schedule_insns): Likewise.
2758 * local-alloc. (update_equiv_regs): Likewise.
2759 * reload1.c (reload_cse_regs): Likewise.
2761 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2763 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
2764 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
2765 mapping from MASK_FPU.
2767 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
2769 * sparc.md (call): Don't bound structure return size to 0xfff.
2771 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
2773 * resource.c (mark_target_live_regs): Check that the target
2774 insn wasn't created after compute_bb_for_insn.
2776 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
2778 * ggc-page.c (poison_pages): Don't be overzealous.
2780 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
2782 * alias.c: Update comments for ADDRESS.
2783 (nonlocal_reference_p): Look inside the ADDRESS to determine if
2784 it is a local memory reference.
2786 * c-typeck.c (build_function_call): Check that the built-in
2787 function is of class BUILT_IN_NORMAL before trying to recongize
2789 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
2790 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
2792 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
2794 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
2796 (pre_gcse): Likewise.
2797 (hoist_expr_reaches_here_p): Likewise.
2798 (hoist_code): Likewise.
2799 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
2801 (pre_expr_reaches_here_p_work): ... here.
2802 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
2804 (expr_reaches_here_p_work): ... here.
2806 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
2808 * resource.c (find_basic_block): Delete.
2809 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
2810 (init_resource_info): Call compute_bb_for_insn.
2812 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
2814 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
2815 with already adjacent blocks, but no fallthru.
2816 (merge_blocks_move_successor_nojumps): Simplify.
2817 (debug_flow_info): New.
2819 * toplev.c (rest_of_compilation): Open jump1 dump file before
2820 jump and close after, as opposed to just using dump_rtl.
2822 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2824 * reload.h (earlyclobber_operand_p): Declare.
2825 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
2826 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
2827 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
2828 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
2830 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
2831 Richard Henderson <rth@cygnus.com>
2833 * emit-rtl.c (emit_block_insn_before): New.
2834 (emit_block_insn_after): New.
2835 * basic-block.h: Declare them.
2837 * bitmap.h: Protect from multiple inclusion.
2839 * recog.c (scratch_operand): Handle VOIDmode correctly.
2841 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
2843 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
2844 * function.c (assign_parms): Likewise.
2845 * global.c (global_conflicts): Clarify STACK_REGS commentary.
2847 * reg-stack.c (max_uid): Remove.
2848 (blocks, block_begin, block_end, block_drops_in): Remove.
2849 (block_stack_in, block_out_reg_set, block_number): Remove.
2850 (struct block_info_def, BLOCK_INFO): New.
2851 (enum emit_where): New.
2852 (current_block): New.
2853 (BLOCK_NUM): Remove.
2854 (mark_regs_pat, record_label_references): Remove.
2855 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
2857 (goto_block_pat, print_blocks, dump_stack_info): Remove.
2858 (reg_to_stack): Simplified test for existance of fp code. Use
2859 flow.c code. Call shorten_branches after cross-jump opt.
2860 (check_asm_stack_operands): Renamed from record_asm_reg_life.
2861 Return false if the asm doesn't use stack regs. Don't do life
2862 analysis on the asm.
2863 (emit_pop_insn): Replace function pointer arg `when' with
2864 enum `where'. Update all callers.
2865 (change_stack): Likewise. Update basic block end.
2866 (emit_swap_insn): Use current_block->head to limit reverse search
2867 for start of block. Use emit_block_insn_after.
2868 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
2869 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
2870 structure assignment instead of bcopy.
2872 (convert_regs_entry, convert_regs_exit): New.
2873 (convert_regs_1, convert_regs_2): Split out from convert_regs.
2874 Work on basic blocks and the CFG.
2875 (convert_regs): Use them.
2877 * i386.c (output_fix_trunc): Remove code for DImode input operand
2878 not at top-of-stack.
2879 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
2881 (fix_truncdi_1): Allow any mode scratch.
2883 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
2885 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
2886 * linux.h, netbsd.h, vms.h: Not here.
2888 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
2890 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
2891 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
2892 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
2893 CONDITIONAL_REGISTER_USEAGE): Use them.
2894 * config/mips/mips.c (mips_move_1word,mips_move_2words,
2895 gen_conditional_branch,override_options) : Use them.
2896 * config/mips/mips.md : Use them.
2898 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
2900 * i386.md (zero_extendqihi2): Use SImode register name with andl.
2902 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
2904 * integrate.c (function_cannot_inline_p): Don't allow inlining
2907 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2909 * c-parse.in (cast_expr): Constify.
2911 * cccp.c (special_symbol): Likewise.
2913 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
2915 * dwarf2out.c (base_type_die): Likewise.
2917 * global.c (allocno_compare): Likewise.
2919 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
2921 * regclass.c (fix_register): Likewise.
2923 * rtl.h (fix_register): Likewise.
2925 * stupid.c (stupid_reg_compare): Likewise.
2927 * toplev.c (decode_f_option): Likewise.
2929 * tree.c (build_complex_type): Likewise.
2931 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
2933 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
2935 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2937 * reload.c (find_reloads): Compute mode and nregs fields of all
2939 * reload1.c (calculate_needs_all_insns): Simplify a bit.
2940 (calculate_needs): Use precomputed mode/nregs values.
2941 (allocate_reload_reg): Likewise.
2943 (failed_reload, set_reload_reg): ... new functions.
2944 (choose_reload_regs_init): New function, mostly broken out from...
2945 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
2946 Also lose one #if 0 block.
2948 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
2950 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
2953 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
2955 * tree.h (BLOCK_TYPE_TAGS): Remove.
2956 (BLOCK_END_NOTE): Likewise.
2957 (BLOCK_LIVE_RANGE_FLAG): Likewise.
2958 (BLOCK_LIVE_RANGE_START): Likewise.
2959 (BLOCK_LIVE_RANGE_END): Likewise.
2960 (tree_block): Remove live_range_flag, live_range_var_flag, and
2961 type_tags. Remove end_note, live_range_start, and live_range_end.
2962 (remember_end_note): Remove prototype.
2963 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
2964 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
2966 * ggc-common.c (ggc_mark_tree_children): Don't mark
2967 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
2968 * integrate.c (adjust_copied_decl_tree): Remove.
2969 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
2970 * stmt.c (last_block_end_note): Remove.
2971 (init_stmt): Don't add a GC root for it.
2972 (expand_fixup): Don't set it.
2973 (remember_end_note): Remove.
2974 (expand_end_bindings): Don't set last_block_end_note.
2976 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2978 * reload1.c (reload_reg_free_for_value_p): Show
2979 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
2982 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
2984 * expmed.c (extract_bit_field): Allow for the case of non-integer
2985 objects that are smaller than a word (like SFmode on a 64-bit
2988 * loop.c (basic_induction_var): A non-integer variable which is
2989 being set by a paradoxical subreg is probably not a biv.
2991 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2993 * prefix.c (translate_name) Check for empty prefix string.
2995 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
2997 * Makefile.in (CPP_CROSS_NAME): New variable.
2998 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
3000 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
3001 names of the files to be uninstalled.
3003 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
3005 * collect2.c (IS_DIR_SEPARATOR): Define.
3006 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
3008 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
3011 * haifa-sched.c (add_dependence): Update the true dependency
3012 cache the first time we add a true dependence to the LOG_LINKS chain.
3014 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
3016 * fold-const.c (fold): Fix comment.
3018 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3020 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
3021 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
3022 dbxout_start_new_source_file, dbxout_source_file,
3023 dbxout_source_line, dbxout_finish, dbxout_type_fields,
3024 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
3026 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
3027 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
3028 (dbxout_block): Initialize variable `blocknum'.
3030 * dbxout.h (dbxout_init, dbxout_finish,
3031 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
3032 dbxout_args, dbxout_source_line): Constify a char*.
3034 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
3035 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
3036 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
3037 low_pc_attribute, high_pc_attribute, body_begin_attribute,
3038 body_end_attribute, comp_dir_attribute, sf_names_attribute,
3039 src_info_attribute, mac_info_attribute, producer_attribute,
3040 lookup_filename, generate_macinfo_entry, fundamental_type_code,
3041 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
3042 dwarfout_undef): Constify a char*.
3043 (add_incomplete_type, retry_incomplete_types): Add prototypes.
3045 * dwarfout.h (dwarfout_define, dwarfout_undef,
3046 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
3048 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
3050 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
3051 (MULTILIB_ISA_DEFAULT): New.
3052 (MULTILIB_DEFAULTS): Use it.
3053 * config/mips/mips.c (): Remove the now unnecessary definition
3054 of MIPS_ISA_DEFAULT.
3055 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
3056 unnecessary definition.
3058 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
3060 * arm.md (pic_load_addr): Add constraints to operand 1.
3062 1999-10-25 Bruce Korb <autogen@linuxbox.com>
3064 * fixinc/genfixes: Provide a means for specifying -D options to
3067 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
3069 * arm.c (arm_override_options): Correct initialization of
3070 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
3071 arm_is_strong, and arm_is_6_or_7.
3073 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
3074 (note_set_pseudo_multiple_uses): New function.
3075 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
3076 if a pseudo set in the loop exit is used elsewhere.
3078 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
3080 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
3082 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
3084 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
3085 a single load-address pattern.
3087 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
3089 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
3090 depending on whether or not line-number notes are present.
3092 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3094 * cccp.c (progname, file_buf, default_include, include_file,
3095 macrodef, definition, hashval, wchar_type, user_label_prefix,
3096 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
3097 expand_to_temp_buffer, is_system_include, base_name,
3098 absolute_filename, read_name_map, open_include_file,
3099 record_control_macro, check_precompiled, check_preconditions,
3100 pcfinclude, pass_thru_directive, create_definition,
3101 check_macro_name, comp_def_part, collect_expansion,
3102 check_assertion, read_token_list, assertion_install,
3103 assertion_lookup, eval_if_expression, conditional_skip,
3104 validate_else, skip_quoted_string, quote_string, macarg1,
3105 error_from_errno, install, lookup, hashf, dump_defn_1,
3106 perror_with_name, pfatal_with_name, main, trigraph_pcp,
3107 check_white_space, rescan, handle_directive, monthnames,
3108 special_symbol, do_include, remap_include_file, write_output,
3109 arglist, do_assert, do_unassert, do_line, do_error, do_once,
3110 do_ident, do_sccs, do_xifdef, skip_if_group,
3111 output_line_directive, macroexpand, macarg, change_newlines,
3112 initialize_builtins, make_definition): Constify a char*.
3114 * pcp.h (stringdef): Likewise.
3116 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
3118 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
3121 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
3122 Richard Henderson <rth@cygnus.com>
3124 * alias.c: Include ggc.h.
3125 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
3126 (record_set): Verify enough room in reg_base_value.
3127 (init_alias_analysis): Allocate reg_base_value with xcalloc.
3128 Register it as a GC root.
3129 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
3130 * Makefile.in (alias.o): Depend on ggc.h.
3132 * unroll.c (unroll_loop): Verify the insn before a barrier
3133 is a JUMP_INSN before checking JUMP_LABEL.
3135 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3137 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
3138 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
3139 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
3140 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
3141 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
3142 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
3144 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3146 * output.h (ctors_section, dtors_section, bss_section): Prototype.
3148 * alpha/alpha-interix.h (text_section): Delete prototype.
3149 * alpha/elf.h (text_section): Likewise.
3150 * arm/linux-elf.h (text_section): Likewise.
3151 * arm/linux-telf.h (text_section): Likewise.
3152 * c4x/c4x.h (text_section): Likewise.
3153 * dsp16xx/dsp16xx.h (bss_section): Likewise.
3154 * elfos.h (text_section): Likewise.
3155 * i386/aix386ng.h (text_section): Likewise.
3156 * i386/i386-interix.h (text_section): Likewise.
3157 * i386/sco5.h (text_section): Likewise.
3158 * i386/svr3gas.h (text_section): Likewise.
3159 * nextstep.h (text_section): Likewise.
3160 * psos.h (text_section): Likewise.
3161 * ptx4.h (text_section): Likewise.
3162 * svr3.h (text_section): Likewise.
3163 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
3165 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3167 * final.c (peephole): Delete prototype.
3169 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
3170 (pre_insert_copies): Remove unused variable `bb'.
3172 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
3175 * output.h (peephole): Add prototype.
3177 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
3179 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
3182 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
3184 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
3185 for inlined declarations.
3187 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
3189 * arm.c (logical_binary_operator): New fucntion.
3190 * arm.h (logical_binary_operator): Declare it.
3191 (PREDICATE_CODES): Handle logical_binary_operator.
3192 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
3193 output constraints. Add appropriate splitters.
3194 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
3195 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
3196 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
3198 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3200 * genoutput.c (struct operand_data): New elt eliminable.
3201 (output_operand_data): Write it.
3202 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
3203 (compare_operands): Take it into account.
3204 * recog.h (struct insn_operand_data): New elt eliminable.
3205 * reload1.c (check_eliminable_occurrences, elimination_effects): New
3207 (old_asm_operands_vec, new_asm_operands_vec): Delete.
3208 (eliminate_regs): Move code that detects changes to elimination
3209 target regs into new function elimination_effects.
3210 Delete one #if 0 block.
3211 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
3212 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
3213 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
3214 Only call eliminate_regs for real operands of the insn, not for parts
3215 of its structure or parts matched by things like match_operator.
3216 Use elimination_effects and check_eliminable_occurrences. Use
3217 copy_insn to duplicate the pattern when not in the final pass.
3219 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
3221 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
3224 1999-10-22 Bruce Korb <autogen@linuxbox.com>
3226 * fixinc/README: document the "mach" machine matching test
3227 * fixinc/fixfixes.c: Implement the #else/#endif label fix
3228 * fixinc/fixtests.c: Implement the #else/#endif label test
3229 * fixinc/inclhack.def: utilize these tests and fixes
3230 * fixinc/inclhack.sh: regen
3231 * fixinc/fixincl.x: regen
3232 * fixinc/fixincl.sh: regen
3234 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
3236 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
3239 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
3241 * gcc.1: Document exit codes.
3243 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3245 * calls.c: Include tm_p.h later, so everything we need is defined.
3247 * function.c: Likewise.
3249 * except.c: Include tm_p.h.
3251 * sparc.c: Likewise.
3252 (dwarf2out_cfi_label): Don't prototype.
3253 (check_return_regs, epilogue_renumber,
3254 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
3255 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
3256 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
3257 ultra_schedule_insn): Add static prototype.
3258 (data_segment_operand, text_segment_operand): Call itself with the
3259 proper number of arguments.
3260 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
3262 * sparc.h: Move all declarations to sparc-protos.h.
3263 (SELECT_RTX_SECTION): Pass a missing MODE argument to
3266 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
3268 * config/svr4.h (text_section, ctors_section, dtors_section): Add
3270 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
3271 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
3272 ASM_OUTPUT_ASCII): Constify a char*.
3274 * sparc-protos.h: New file for sparc prototypes.
3276 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3278 * function.c (record_insns, contains): Always declare and define.
3279 (record_insns): Mark with ATTRIBUTE_UNUSED.
3281 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
3283 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
3284 to .section when outputting a .bss section to deal with multiple
3285 .bss input sections (as happens with -fdata-sections)
3286 Also output %progbits, not @progbits so the assembler doesn't treat as
3288 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
3290 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
3291 thumb parts even when building with non-thumb CPUs, by forcing
3294 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
3296 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
3297 (movdf_const_intreg_sp64): Similarly.
3299 * local-alloc.c (update_equiv_regs): Check the correct insn
3300 for pre-existing REG_EQUIV notes.
3302 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
3304 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
3305 block reached by a branch if we're not going to actually process
3308 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
3310 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
3311 a local extern function declaration.
3313 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
3315 * i386.c (ix86_expand_prologue): Properly wrap USE around
3316 reg for CALL_INSN_FUNCTION_USAGE.
3318 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
3320 * config/mips/mips.md (movdf_internal1a): Allow floating-point
3321 move between GP_REGs.
3323 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
3325 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
3326 the mode size when finding out if an offset is legal.
3328 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
3330 * basic-block.h (PROP_*): Move constants from ...
3332 (compute_bb_for_insn): Free the array before reallocating.
3333 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
3334 (allocate_reg_life_data): Reset all reg variables collected by
3336 (get_block_head_tail): Don't convert from bb to block.
3337 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
3338 (find_insn_reg_weight): Take block not bb.
3339 (schedule_block): Don't set block num for moved insns.
3340 (schedule_region): Don't update_life_info or find_insn_reg_weight.
3341 (schedule_insns): Do it here instead.
3342 * combine.c (combine_instructions): Invoke compute_bb_for_insn
3343 before update_life_info.
3344 * recog.c (split_all_insns, peephole2_optimize): Update for
3345 new arg to update_life_info.
3346 * rtlanal.c (remove_note): Cope with NULL note.
3347 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
3350 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
3352 * jump.c (jump_optimize_1): More accurately detect casesi insns.
3354 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
3355 block records so that merge_blocks_nomove will clean up correctly.
3356 (split_edge): Handle casesi insns.
3358 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
3360 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
3362 * pa.md (call, call_value): Do not emit a blockage after restoring
3365 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
3367 * c-typeck.c (c_expand_asm_operands): Fix typo.
3369 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3371 * arm.c (fpu_rhs_operand): Verify modes.
3372 (fpu_add_operand): Likewise.
3373 (di_operand): Likewise.
3374 (soft_df_operand): Likewise.
3376 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
3378 * arm.c (arm_return_in_memory): APCS rules state that the elements
3379 of a structure returned in a register must be 'integer-like'.
3381 1999-10-19 Bruce Korb <autogen@linuxbox.com>
3383 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
3384 in the source tree when the generated targets are out of date
3385 * fixinc/genfixes: Alter it to run individual fixes for make.
3386 * fixinc/README: rewrite
3387 * fixinc/inclhack.def: moved initial comments to README
3389 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
3391 * toplev.c (main): Do not generate an error message if an
3392 unrecognised command line switch is recognisable by another
3393 language. If extra_warnings are enabled, then generate a
3394 warning message instead.
3396 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
3398 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
3399 (insert_pack_attributes): Delete prototype.
3401 * c-pragma.c (default_alignment): New static variable.
3402 (push_alignment): Initialize to current effective alignment.
3403 (pop_alignment): Use to set new alignment.
3404 (insert_pack_attributes): Delete function.
3405 (handle_pragma_token): Set default_alignment as well each time
3406 a #pragma pack(<n>) is encountered.
3408 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
3410 * reg-stack.c (stack_result): Aggregates are not returned in
3413 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3415 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
3417 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
3419 * basic-block.h (set_block_num): Declare.
3420 * flow.c (update_life_info): Don't call compute_bb_for_insn
3421 or free_basic_block_vars.
3422 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
3423 (insn_orig_block): Remove.
3424 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
3425 (schedule_block): Keep BLOCK_NUM up-to-date.
3426 (schedule_insns): Use compute_bb_for_insn.
3427 * recog.c (split_all_insns): Likewise.
3428 (peephole2_optimize): Likewise.
3430 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
3432 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
3433 if the pic register is used.
3435 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3437 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
3438 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
3439 if that tests TREE_PERMANENT.
3441 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
3443 * cse.c (invalidate_for_call): Do not remove memory references from
3444 the table here. It's handled elsewhere.
3446 * haifa-sched.c (add_dependence): Protect references to the
3447 true dependency cache with #ifdef INSN_SCHEDULING.
3448 (remove_dependence): Similarly.
3450 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
3451 to the cfg code that this is a return instruction.
3452 * mn10300.md (return_internal): Similarly.
3454 * combine.c (get_last_value): If the last set of a register
3455 is after subst_low_cuid, then we can not use it to determine
3456 the register's last value.
3458 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
3460 * Makefile.in: Back out previous change.
3462 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
3464 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
3466 * haifa-sched.c (add_dependence): Only check/update the cache
3468 (remove_dependence): Likewise.
3469 (schedule_insns): Only create the true_dependency_cache if the
3470 average number of instructions in a basic block is very large.
3472 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
3474 * Makefile.in (ggc-common.o): Depend on genrtl.h.
3475 (ggc-simple.o): Likewise.
3476 (ggc-page.o): Likewise.
3478 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
3480 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
3481 Prototype for exported functions.
3482 (pre_lcm, pre_rev_lcm): Remove prototypes.
3483 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
3484 (compute_available): Move to lcm.c, and change parameter order.
3485 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
3486 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
3487 (gcse_main): No longer call compute_preds_succs. Rebuild the
3488 set table after reach pre pass.
3489 (pre_insert_map, pre_delete_map, edge_list): New.
3490 (alloc_pre_mem): Allocate edge vectors.
3491 (free_pre_mem): Delete edge vectors.
3492 (compute_pre_data): Call new edge based lcm routines.
3493 (process_insert_insn): New function.
3494 (insert_insn_end_bb): Use it.
3495 (pre_edge_insert): New function.
3496 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
3498 (pre_insert_copies): Revamp using new edge based lcm outputs.
3499 (pre_delete): Likewise.
3500 (one_pre_gcse_pass): Insert & remove fake edges to the exit
3502 (compute_code_hoist_vbeinout): New new edge based routines.
3503 * lcm.c: Remove all the old LCM functions. Replace with new ones
3504 that work with the new cfg datastructures and work with edges
3507 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3509 * reload.h (struct reload): Add new fields "mode" and "nregs".
3510 * reload1.c: Change all occurrences of reload_mode and reload_nregs
3511 to reference the "mode" and "nregs" field within struct reload.
3513 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
3515 * haifa-sched.c (true_dependency_cache): New.
3516 (add_dependence): Use the true dependency cache to avoid expensive
3517 walks down the LOG_LINKS dependency list. Add entries to the
3519 (remove_dependence): Remove entries from the true dependency cache
3521 (schedule_insns): Allocate and initialize and free the true
3524 * haifa-sched.c (schedule_insns): Do not remove inter-block
3525 dependencies anymore.
3527 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
3529 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
3530 * i386/t-winnt: Likewise.
3532 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
3534 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
3536 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
3538 * Makefile.in (LANGUAGES): Omit "proto".
3539 (clean): Remove stale comment about removing unprotoize.c.
3541 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3543 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
3544 using arithmetic on void pointers.
3546 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
3548 * haifa-sched.c (compute_block_forward_dependencies): Only check
3549 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
3551 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
3553 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
3554 (expr_equiv_p): Reject memories with different alias sets.
3556 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
3558 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
3559 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
3560 (f_options): Add "bounded-pointers" and "bounds-check" entries.
3561 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
3562 (lang_init): Set default for flag_bounds_check if still "unspecified".
3564 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3566 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
3568 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3570 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
3573 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3575 * config/c4x/c4x.md (*db_noclobber,
3576 *decrement_and_branch_until_zero_noclobber): New patterns and
3577 associated splitters.
3579 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3581 * config/c4x/c4x.md (parallel instruction patterns): Rework
3582 constraints to keep reload happy.
3584 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3586 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
3587 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
3588 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
3589 Add new patterns and associated post-reload splitters.
3591 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3593 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
3595 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3597 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
3599 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
3601 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3603 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
3606 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
3608 * pa.c (move_operand): Rely on memory_address_p to determine the
3609 validity of non-indexed memory addresses.
3610 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
3611 operand in DFmode and SFmode when generating PA2.0 code.
3613 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
3615 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
3617 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
3619 * mips.c (function_prologue): Fix argument types.
3620 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
3621 (casesi_internal): Write to the scratch register.
3623 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
3625 * cppexp.c (cpp_parse_escape): Make static. Change second arg
3627 (parse_charconst): Delete unnecessary cast when calling
3629 (cpplib.h): Kill prototype of cpp_parse_escape.
3631 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
3633 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
3634 * unroll.c (unroll_loop): Cast return value of alloca.
3635 * i370/i370.c: Include function.h and toplev.h.
3636 (i370_label_scan): Remove c++ commented abort.
3637 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
3638 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
3639 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
3640 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
3642 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
3644 * config/t-freebsd: Do not override USER_H.
3645 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
3647 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
3648 Mumit Khan <khan@xraylith.wisc.edu>
3650 * c-parse.in (component_decl): Support anonymous struct/union.
3652 * c-parse.y: Regenerate.
3653 * c-parse.c: Likewise.
3654 * objc/objc-parse.y: Likewise.
3655 * objc/objc-parse.c: Likewise.
3656 * c-decl.c (finish_struct): Don't sort the fields.
3657 (field_decl_cmp): Delete unused function.
3659 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
3661 * sparc.md (movsf_const_intreg): Revert last constraint change.
3662 (movdf_const_intreg_sp32): Likewise.
3664 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
3666 * cse.c: Include hashtab.h instead of splay-tree.h
3667 (struct cse_reg_info): No longer use variant union. Add new
3668 field "regno". All references changed to avoid union.
3669 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
3670 (free_cse_reg_info): Remove.
3671 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
3672 (get_cse_reg_info): Revamp to use expandable hash tables instead
3673 of splay trees. Initialize new fields in cse_reg_info structure.
3674 (new_basic_block): Similarly.
3676 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
3678 * genrecog.c (message_with_line): Prototype.
3679 (validate_pattern): Pass along the set for the dest, not a flag.
3680 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
3681 Check for PC/CC0 as sources.
3682 (nodes_identical): Check for children position match before
3683 allowing the combination.
3685 * rtl.c (read_rtx): Track line number across \\\n.
3687 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
3689 * mips.h (SPECIAL_MODE_PREDICATES): New.
3690 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
3691 (movdi+1, movsi+1): Add output reload constraint.
3692 (casesi_internal): Likewise. Fix commentary.
3693 (return_internal): Use pmode_register_operand.
3695 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
3697 * 1750a.md (movstrqi): Add missing output reload constraint.
3698 (call_value): Likewise.
3699 * a29k.md (cpxxx patterns): Add missing match_operator mode.
3700 (jmpfdec): Add missing inout reload constraint.
3701 * elxsi.md (addsi patterns): Add missing output reload constraint.
3702 (move from sp): Use @ alternates.
3703 (call_value): No constraint on output.
3704 * fr30.md (movsi_pop): Add missing output reload constraint.
3705 (movsf_constant_store): Likewise.
3706 (splits): Remove constraints.
3707 (subsi3): Add missing mode.
3708 * i370.md (cmpstrsi+1): Add missing output reload constraint.
3709 (call_value): Likewise.
3710 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
3711 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
3712 * m32r.md (movsicc_internal): Add output reload constraint.
3713 (movstrsi_internal): Add inout reload constraints.
3714 * m88k.h (reg_names): Don't declare.
3715 (SPECIAL_MODE_PREDICATES): New.
3716 * m88k.md (*): Use register_operand not reg_or_0_operand
3718 * mn10200.h (PREDICATE_CODES): New.
3719 * ns32k.md (ffs pattern): Add output reload constraint.
3720 * pdp11.md (sob pattern): Add inout reload constraint.
3721 * sh.md (splits): Remove constraints.
3722 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
3723 * v850.md (pattern_is_ok_for_epilogue): Likewise.
3724 * vax.md (jgequ pattern): Add inout reload constraint.
3726 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
3728 * configure.in (djgpp): Revert previous patch.
3729 * configure: Rebuit.
3730 * config/i386/djgpp.h: Revert previous patch.
3732 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
3734 * fixinc/inclhack.def: Restore patch lost during last merge of
3735 "no_bogosity" branch.
3736 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
3738 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
3740 * fixincludes: Add a HPUX 11 fix for inttypes.h.
3741 * fixinc/inclhack.def: Same.
3742 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
3744 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
3746 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
3747 as the base of a PLUS.
3749 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3751 * config/c4x/c4x.md: Define mode for remaining unspec operators.
3752 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
3754 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
3756 * pa.md (post_stw+1): Use pmode_register_operand.
3757 (dcacheflush, icacheflush): Likewise.
3759 * i386.md (movstricthi_1): Allow r/r.
3761 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
3763 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
3764 to (not (and (arg0) (arg1))). Similary for and.
3766 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
3767 falltrought to assocate code.
3768 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
3771 * combine.c (simplify_logical): Convert XOR to IOR if operands have
3772 no bits in common; remove XOR to ROTATE conversion.
3774 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3776 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
3778 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3780 * config/c4x/c4x.c (dst_operand): New.
3781 (PREDICATE_CODES): Update.
3782 * config/c4x/c4x.h (dst_operand): Declare it.
3783 * config/c4x/c4x.md: Define mode for each unspec usage.
3784 (move patterns): Use dst_operand predicate instead of src_operand.
3785 (movqi_update, movqf_update): Delete.
3787 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
3789 * recog.c (pmode_register_operand): New.
3790 * recog.h: Declare it.
3791 * genrecog.c (pred_codes): Likewise.
3792 (special_mode_pred_table): Likewise.
3793 (validate_pattern): Don't warn no mode for address_operand.
3795 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
3796 if the operand is not insn-like.
3798 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
3799 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
3801 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
3803 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
3805 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
3806 instead of general_operand in a SET_DEST. Use const_double_operand
3807 instead of an explicit test against CONST_DOUBLE.
3808 (movsf_const_lo): Add missing register mode.
3809 (goto_handler_and_restore): Add auxiliary test for Pmode.
3810 (flush): Adjust to use address_operand.
3811 (return_sf_no_fpu): Add missing output constraint.
3813 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
3815 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
3816 for call return value.
3817 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
3819 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
3821 * toplev.c (main): Only warn about options for other languages.
3822 * collect2.c (main): Pass -w to sub-gcc.
3824 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
3826 * flow.c (propagate_block): Add call-clobbered registers to
3829 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
3830 zapping mem_set_list.
3831 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
3832 (mark_set_1, mark_used_regs): Likewise.
3834 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
3836 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
3838 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3840 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
3841 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
3842 options. Also add a new item "C-only Warning Options" to the
3845 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
3847 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
3848 from multiple calls.
3850 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
3852 * i386.md (call value patterns): Move to the end of the file.
3853 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
3855 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
3857 * configure.in (djgpp configuration): Define extra_objects..
3858 * configure: Rebuilt.
3859 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
3860 (DTORS_SECTION_ASM_OP): Define.
3861 (INIT_SECTION_ASM_OP): Define.
3862 (FINI_SECTION_ASM_OP): Define.
3863 (DATA_SECTION_ASM_OP): Define.
3864 (TEXT_SECTION_ASM_OP): Define.
3865 (EH_FRAME_SECTION_ASM_OP): Define.
3866 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
3867 (STARTFILE_SPEC): Add crtbegin.o.
3868 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
3869 to here from LINK_COMMAND_SPEC.
3870 (DO_GLOBAL_CTORS_BODY): Define.
3871 (CRTSTUFF_USE_FINI_SECTION): Define
3872 (HAS_INIT_SECTION): Delete.
3874 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
3876 * Makefile.in (all.cross): Depend on xcpp$(exeext).
3878 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
3880 * pa.h (PREDICATE_CODES): New.
3882 * genrecog.c (validate_pattern): Condense the destination
3885 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
3887 * alpha.md (call-1): Supply missing mode for operator.
3888 (*): Add missing output reload constraints. Remove constraints
3891 * i386.h (SPECIAL_MODE_PREDICATES): New.
3892 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
3893 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
3894 (addsi_lea_3): Add missing mode for op 3.
3895 (prologue_set_got, prologue_get_pc): Add missing modes.
3896 (*) Add missing output reload constraints.
3898 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
3900 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
3901 check for member bit-size overflow and use var_size if it occurs.
3902 (layout_record): Use bitsize_int() to define the type size in bits.
3903 Likewise for computation and assignment to DECL_FIELD_BITPOS.
3904 (layout_decl): Likewise when assigning to DECL_SIZE.
3906 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
3908 * genrecog.c (validate_pattern): Typo last change. Verify
3909 that output operands have output reloads.
3911 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
3913 * genrecog.c (special_mode_pred_table): New.
3914 (NUM_SPECIAL_MODE_PREDS): New.
3915 (find_operand): New.
3916 (validate_pattern): New argument `insn'. Warn for assignment to
3917 any predicate accepting non-lvalues. Conditionaly warn for
3918 match_operand without a mode. Try much harder to match source
3919 and destination modes on a set.
3920 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
3922 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
3924 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
3926 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
3928 * combine.c (simplify_logical): Recognize xor pattern that encodes
3931 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3933 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
3936 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
3938 * ggc-page.c (MAP_FAILED): Provide default.
3940 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
3942 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
3943 * sparc.h (PREDICATE_CODES): Update.
3945 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
3947 * alpha.c (some_ni_operand): New.
3948 * alpha-protos.h: Declare it.
3949 * alpha.h (PREDICATE_CODES): Update.
3950 * alpha.md (sXaddq reload insns): Use some_ni_operand
3951 for SET_DEST instead of some_operand.
3953 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
3954 Jim Wilson <wilson@cygnus.com>
3956 * genrecog.c (maybe_both_true_2): Don't compare modes of
3958 (process_tree): Elide peephole2_insns. Invoke simplify_tests
3959 after find_afterward.
3960 (debug_decision_1): Dump next and afterward codes.
3962 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
3964 * rtl.c (dump_and_abort): Remove.
3965 (fatal_with_file_and_line): New.
3966 (fatal_expected_char): New.
3967 (read_rtx_lineno, read_rtx_filename): New.
3968 (read_skip_spaces): Track line number.
3969 (read_name): Use fatal_with_file_and_line.
3970 (read_rtx): Use fatal_expected_char. Track line number.
3971 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
3973 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
3974 if it isn't a CODE_LABEL.
3976 * genattr.c (main): Set read_rtx_filename.
3977 * genattrtab.c (main): Likewise.
3978 * gencodes.c (main): Likewise.
3979 * genconfig.c (main): Likewise.
3980 * genemit.c (main): Likewise.
3981 * genextract.c (main): Likewise.
3982 * genflags.c (main): Likewise.
3983 * genopinit.c (main): Likewise.
3984 * genoutput.c (main): Likewise.
3985 * genpeep.c (main): Likewise.
3987 * genrecog.c (decision_test.u.insn): Add `lineno'.
3988 (pattern_lineno, error_count): New variables.
3989 (message_with_line): New.
3990 (add_to_sequence): Break out checking code to ...
3991 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
3992 (merge_insn): Use message_with_line.
3993 (make_insn_sequence): Use validate_pattern. Record insn lineno.
3994 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
3996 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3998 * expr.c (store_constructor): Clear union if constructor is empty.
4000 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
4002 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
4003 Add !endian checks. Change %{...} to %(...).
4005 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
4007 * i386.md (*addsi3_cc): Renamed from addcsi3.
4008 (*addsi3_carry): Renamed from addxsi3.
4009 (*subsi3_cc): Renamed from subcsi3.
4010 (*subsi3_carry): Renamed from subxsi3.
4011 (*xorqi_cc_1): Renamed from xorcqi_1.
4012 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
4013 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
4015 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
4017 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
4018 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
4020 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
4022 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
4023 climb up the chain of insns.
4025 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
4027 * genrecog.c (write_subroutine): Careful for null trees.
4028 (process_tree): Don't elide empty functions.
4030 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
4032 * Makefile.in (genrtl.o): Depend on ggc.h.
4033 * configure.in (valloc): Probe for it.
4034 (with-gc): Use ggc-page if valloc present.
4035 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
4036 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
4037 (ggc_alloc_string): Moved from ggc-page.c.
4038 * ggc-none.c (ggc_alloc_obj): New.
4039 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
4040 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
4041 (struct globals): Likewise for dev_zero_fd.
4042 (init_ggc): Likewise for it's initialization.
4043 (ggc_allocated_p): Move careful dereference from ...
4044 (ggc_lookup_page_table): ... here. Delete.
4045 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
4046 (alloc_anon): Use valloc if no mmap.
4047 (release_pages): Use free if using valloc.
4048 (ggc_alloc_obj): Renamed from alloc_obj.
4049 (ggc_set_mark): Renamed from mark_obj.
4050 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
4051 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
4052 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
4053 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
4054 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
4055 (ggc_collect): Use fp printing instead of our own rounding.
4056 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
4057 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
4058 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
4059 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
4060 (struct ggc_string, struct ggc_any): Delete.
4061 (offsetof): Provide default definition.
4062 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
4064 (struct ggc_mem): New, from corpse of ggc_any.
4065 (struct ggc_status): Delete.
4066 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
4067 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
4068 (n_strings_collected, n_anys_collected): Delete.
4069 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
4070 (ggc_alloc_string, ggc_alloc): Delete.
4071 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
4072 (ggc_free_string, ggc_free_any): Delete.
4073 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
4074 (ggc_compare_addresses, ggc_mark_string): Delete.
4075 (ggc_mark_string_if_gcable, ggc_mark): Delete.
4076 (search_data): Delete.
4077 (struct globals): New.
4078 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
4079 (tree_insert, tree_lookup): New.
4080 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
4081 (clear_marks, sweep_objs): New.
4082 (ggc_collect): Gut. Use clear_marks, sweep_objs.
4083 (init_ggc): Set allocated_last_gc.
4084 (ggc_push_context): Gut. Use G.context.
4085 (ggc_pop_context): Likewise.
4086 (ggc_pop_context_1): New.
4087 (debug_ggc_tree): New.
4088 (debug_ggc_balance, tally_leaves): New.
4089 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
4090 (ggc_mark_string_if_gcable): Remove decl.
4091 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
4092 (ggc_mark_rtvec_children): New.
4093 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
4094 (ggc_mark_if_gcable): New decl.
4095 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
4096 (ggc_alloc_tree, ggc_alloc): Likewise.
4097 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
4098 (ggc_alloc_obj): New decl.
4099 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
4100 (ggc_alloc_tree, ggc_alloc): Likewise.
4101 (ggc_set_mark): New decl.
4102 * rtl.h (struct rtx_def): Remove gc_mark.
4103 (struct rtvec_def): Likewise.
4104 * tree.h (struct tree_common): Likewise.
4106 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
4108 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
4109 float_format and thread_file definitions.
4110 * configure: Rebuilt.
4112 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
4114 * extend.texi (Function Names): Document types of function names.
4116 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4118 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
4119 an earlyclobbered output conflict with RELOAD_INPUT reloads.
4121 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4123 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
4125 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4127 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
4129 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
4131 * collect2.c (main): Do prelimnary link on AIX if rflag.
4133 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4135 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
4136 __CTOR_LIST__ in opposite order, which is the correct order for sorted
4138 (__do_global_dtors): similarly for __DTOR_LIST__.
4140 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4141 Diego Novillo <dnovillo@cygnus.com>
4143 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
4146 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
4148 * fixincl/*: Merged "no_bogosity" branch
4149 * fixincl/fixlib.h: protect against doubly defining t_bool
4150 * fixincl/server.h: protect against doubly defining t_bool
4152 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
4154 * genoutput.c: Include toplev.h.
4156 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
4158 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4160 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
4161 * configure: Regenerate.
4163 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
4165 * gcse.c (delete_null_pointer_checks): Returns void.
4167 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4169 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
4170 * emit-rtl.c (copy_insn_1): Likewise.
4172 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
4174 * config/mips/mips.c (mips_build_va_list): Correct
4175 TREE_CHAIN setting when hard-float.
4176 (mips_va_start): Use corrected setting.
4177 (mips_va_arg): Likewise. Also pass a tree to build of
4178 POSTINCREMENT_EXPR rather than a naked 'int'.
4180 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
4182 * ggc.h (ggc_push_context): Fix comment.
4183 (ggc_pop_context): Likewise.
4184 (mark_string_if_gcable): Likewise.
4185 * ggc-common.c (ggc_mark_rtx_children): Use
4186 ggc_mark_string_if_gcable.
4187 * ggc-page.c (ggc_lookup_page_table): New function.
4188 (ggc_allocated_p): Likewise.
4189 (mark_obj): Fix formatting.
4190 (ggc_mark_string_if_gcable): New function.
4191 * ggc-simple.c (ggc_allocated_strings): New variable.
4192 (ggc_strings_used): Likewise.
4193 (ggc_compare_addresses): New function.
4194 (ggc_pop_context): Pop the `any' memory too.
4195 (ggc_mark_string_if_gcable): New function.
4196 (ggc_collect): Initialize and tear down ggc_allocated_strings.
4198 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
4200 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
4201 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
4202 * rs6000.c (expand_block_move): Match movstrsi_?reg register
4205 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
4207 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
4208 (sched_reg_live_length, sched_reg_basic_block): Delete.
4209 (current_block_num, bb_live_regs, old_live_regs): Delete.
4210 (dead_notes, struct sometimes): Delete.
4211 (sched_note_set, birthing_insn_p): Delete.
4212 (adjust_priority): Gut useless reg lifetime code.
4213 (create_reg_dead_note, attach_deaths): Delete.
4214 (attach_deaths_insn, new_sometimes_live): Delete.
4215 (finish_sometimes_live): Delete.
4216 (find_pre_sched_live, find_post_sched_live): Delete.
4217 (update_reg_usage): Delete.
4218 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
4219 (schedule_insns): Delete reg lifetime code.
4220 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
4221 (unlink_other_notes): Adjust REG_NOTE commentary.
4222 (reemit_notes): Use REG_SAVE_NOTE.
4223 (schedule_block): Likewise.
4224 (schedule_region): Allocate bitmap of blocks in region. Use
4225 count_or_remove_death_notes. Use update_life_info.
4227 * rtl.h (REG_SAVE_NOTE): New.
4228 * rtl.c (reg_note_name): Update.
4230 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
4232 * combine.c (refresh_blocks, need_refresh): New.
4233 (combine_instructions): Allocate refresh_blocks. Invoke
4234 update_life_info if needed.
4235 (distribute_notes): Mark refresh_blocks instead of installing
4237 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
4238 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
4240 * Makefile.in (recog.o): Depend on basic-block.h.
4242 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
4244 * genrecog.c (add_to_sequence): Thinko last change: delete
4245 shadowing allow_const_int variable.
4247 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4249 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
4250 __GNUC__ and __GNUC_MINOR__.
4252 * gansidecl.h: Likewise.
4258 * toplev.h: Likewise.
4264 * varray.c: Likewise.
4266 * varray.h: Likewise.
4268 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4270 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
4271 use one before a jump table.
4273 * rtl.def (ADDRESS): Change documentation to match reality.
4274 * md.texi: Don't document it.
4275 * gmicro.md (load address pattern): Use 'p' constraint, delete use
4278 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
4280 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
4282 * genrecog.c (add_to_sequence): Move allow_const_int test outside
4283 known predicate block; default allow_const_int true.
4284 (debug_decision_list): New.
4286 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
4288 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
4290 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
4292 * gcse.c (gcse_main): Avoid global optimizations if we have a
4293 large number of basic blocks and the ratio of edges to blocks
4295 (delete_null_pointer_checks): Likewise.
4297 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
4299 * c-common.c (check_format_info): Warn if format string isn't a
4302 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4304 * configure.in (arm*-*-*): Don't let autoconf remove brackets
4305 * configure: regenerate
4307 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
4309 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
4310 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
4311 (peepholes): Re-enable.
4313 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
4315 * Makefile.in (flow.o): Depend on TREE_H.
4316 * basic-block.h (REG_SET_EQUAL_P): New.
4319 (free_regset_vector): Remove declaration.
4320 (flow_delete_insn_chain): Declare.
4321 (enum update_life_extent): New.
4322 (update_life_info, count_or_remove_death_notes): Declare.
4323 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
4324 Verify register live at bb->global_live_at_start before adding USE.
4325 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
4326 (CLEAN_ALLOCA): New.
4328 (PROP_*): New flags.
4329 (find_basic_blocks_1): Use alloc_EXPR_LIST.
4330 (clear_edges): Zero n_edges.
4331 (make_edge): Increment n_edges.
4332 (split_edge): Don't allocate bb->local_set. Increment n_edges.
4333 (flow_delete_insn_chain): Export.
4334 (delete_block): Decrement n_edges.
4335 (merge_blocks_nomove): Likewise.
4336 (life_analysis): Give life_analysis_1 PROP flags.
4337 (verify_wide_reg_1, verify_wide_reg): New.
4338 (verify_local_live_at_start): New.
4339 (update_life_info): Rewrite to call into propogate_block.
4341 (mark_regs_live_at_end): After reload, if epilogue as rtl,
4342 always mark stack pointer. Conditionally mark PIC register.
4343 After reload, mark call-saved registers, return regsiters.
4344 (life_analysis_1): Accept PROP flags not remove_dead_code.
4345 Call mark_regs_live_at_end before zeroing regs_ever_live.
4346 Use calculate_global_regs_live. Copy global_live_at_end before
4347 calling final propagate_block. Zero reg_next_use on exit.
4348 (calculate_global_regs_live): New.
4349 (allocate_bb_life_data): Don't allocate bb->local_set.
4350 (init_regset_vector, free_regset_vector): Remove.
4351 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
4352 Test flags before every operation. Warn if prologue/epilogue insn
4353 would have been deleted.
4354 (mark_set_regs, mark_set_1): Accept and use FLAGS.
4355 Use alloc_EXPR_LIST.
4356 (mark_used_regs): Accept and use FLAGS, not FINAL.
4357 Remove special handling for RETURN.
4358 (try_pre_increment): Use alloc_EXPR_LIST.
4359 (dump_flow_info): Dump n_edges.
4360 (unlink_insn_chain, split_hard_reg_notes): Remove.
4361 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
4362 (find_insn_with_note, new_insn_dead_notes): Remove.
4363 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
4364 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
4365 (replace_insns): Remove.
4366 (count_or_remove_death_notes): New.
4367 (verify_flow_info): Abort on error after all checks.
4368 (remove_edge): Decrement n_edges.
4369 (remove_fake_edges): Tweek format.
4370 * haifa-sched.c (schedule_insns): Use split_all_insns.
4371 * output.h (update_life_info): Remove declaration.
4372 * recog.c (split_all_insns): From the corpse of split_block_insns,
4373 do the whole function block by block. Use update_life_info.
4374 (recog_last_allowed_insn): New.
4375 (recog_next_insn): Mind it.
4376 (peephole2_optimize): Set it. Walk backwards through blocks.
4377 Use update_life_info.
4378 * rtl.h (update_flow_info, replace_insns): Remove declarations.
4379 (split_all_insns): Declare.
4380 * toplev.c (rest_of_compilation): Thread prologue before flow2.
4381 Use split_all_insns.
4383 * i386.md (or -1 peep2s): Disable.
4385 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
4387 * config/mips/mips.md (movstrsi+[123]) : Combine these into
4388 a single pattern. Scrap the 'd' versions as unnecessary.
4390 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
4391 tablejump_mips162,tablejump_internal4): The operands to a
4392 label_ref must be VOIDmode.
4394 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4396 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
4398 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
4400 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
4402 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
4404 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
4405 cache every function if ggc_p.
4407 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4409 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
4410 instead of copy_rtx. Accept sequences that contain asm statements.
4411 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
4412 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
4413 orig_asm_operands_vector, copy_asm_operands_vector,
4414 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
4416 * rtl.h (copy_insn, copy_insn_1): Declare.
4418 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4420 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
4422 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
4423 arguments to `current_file_function_operand'.
4425 * genrecog.c: Include hard-reg-set.h and resource.h in the
4426 generated output file.
4428 * real.c: Include tm_p.h.
4430 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4432 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
4435 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
4437 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
4438 before the fctiwz insn.
4440 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4441 Mark Mitchell <mark@codesourcery.com>
4443 * tree.c (make_lang_type_fn): New funtion pointer.
4444 (make_lang_type): Call it.
4445 * tree.h (make_lang_type): Declare.
4446 (make_lang_type_fn): Likewise.
4447 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
4449 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
4451 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
4452 make sure that HIGH instructions are copied into BASE_REGS.
4454 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
4456 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
4458 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
4460 * c-decl.c (finish_struct): Use simpler method of
4461 removing elements of a singly-linked list.
4463 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
4465 * alpha.md (peephole2's): Comment out peephole2's that generate
4468 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
4470 * genrecog.c (add_to_sequence): Disable mode check for
4473 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4475 * ggc-simple.c (init_ggc): Set empty_string.
4477 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
4479 * configure.in: Detect mmap. Add --with-gc=foo to select
4480 garbage collector; default to page if mmap available.
4481 * Makefile.in (GGC): Substitute.
4483 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
4485 * c-decl.c (ggc_p): Enable.
4487 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4489 * flow.c (verify_flow_info): Make it extern & unconditionally define.
4491 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
4493 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
4494 string for little-endian-data.
4496 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
4498 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
4499 case somebody tries to compile --enable-checking code with gcc
4502 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
4504 * genrecog.c (add_to_sequence): Verify operand to label_ref is
4507 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
4509 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
4510 * jump.c (jump_optimize_1): Document why.
4512 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4514 * collect2.c (scan_prog_file, scan_libraries): Prototype function
4515 pointers and casts for `int_handler' and `quit_handler'.
4517 * flow.c (verify_flow_info, split_hard_reg_notes,
4518 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
4519 remove_edge, remove_fake_successors): Add static prototypes.
4520 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
4521 (mark_set_1): Initialize variable `regno'.
4522 (unlink_insn_chain): Likewise for variable `curr'.
4523 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
4525 * loop.c (strength_reduce): Initialize variable
4526 `unrolled_insn_copies'.
4527 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
4528 prototypes. Change these functions to take const PTR parameters
4529 to avoid prototype conflict when used as the comparson argument
4531 (check_dbra_loop): Initialize variable `comparison_val'.
4533 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
4534 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
4535 (find_valid_class): Initialize variable `best_class'.
4536 (find_reloads): Call memcpy, not bcopy.
4538 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
4539 (hard_reg_use_compare): Don't needlessly cast away const.
4540 (reload_reg_class_lower): Likewise.
4541 (choose_reload_regs): Initialize variable `regno'.
4543 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
4545 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
4547 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
4549 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
4550 ({,d}discard): Add forward declarations. Declare parameter as
4552 (main_without_main): Explicitly declare return type to be int.
4553 (memcpy): Properly declare.
4555 * libgcc2.c (toplevel): If inhibit_libc is defined and not
4556 building the trampoline support, declare malloc, free, and
4558 (__clear_cache): Mark arguments as potentially unused.
4560 * frame.c (toplevel): If inhibit_libc is defined, declare
4563 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
4565 * flow.c (make_edge): Accept an optional 2D bitmap in which
4566 to cache edge existence. Update all callers.
4567 (make_label_edge, make_eh_edge): Pass through the edge cache.
4568 (make_edges): Provide the cache.
4570 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4572 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
4574 (local_mbtowc): Change the type of variable `i' from int to size_t.
4576 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
4577 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
4579 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
4581 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
4582 after other includes that define the appropriate types. Include
4583 tm_p.h for getting user prototypes.
4584 * ggc-callbacks.c (toplevel): Ditto.
4585 * ggc-none.c (toplevel): Ditto.
4586 * gcc-page.c (toplevel): Ditto.
4587 * ggc-simple.c (toplevel): Ditto.
4589 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
4590 Jonathan Larmour <jlarmour@cygnus.co.uk>
4592 * config/mips/mips.c (mips_move_2words): Split doubles if
4593 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
4595 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
4597 * genrecog.c (struct decision_test): New.
4598 (struct decision): Remove test-related members, sort the rest by size.
4599 (IS_SPLIT): Simplify.
4600 (new_decision, new_decision_test): New.
4601 (add_to_sequence): Use them. No special handling for args of
4603 (maybe_both_true): Renamed from not_both_true; return sense changed.
4604 (maybe_both_true_1, maybe_both_true_2): New. Broken out
4605 of maybe_both_true and adjusted for decision_test.
4606 (position_merit): Remove.
4607 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
4608 (merge_accept_insn): New, broken out of merge_trees.
4609 (merge_trees): Use them. No special case for c_test; no node
4610 splitting; use test type instead of position_merit.
4611 (factor_tests): New.
4612 (simplify_tests): New.
4613 (break_out_subroutines): Don't write code now.
4614 (find_afterward): New.
4615 (write_afterward, write_switch, write_cond): New.
4616 (write_action, is_unconditional): New.
4617 (write_node): New. Use them.
4618 (write_tree_1): Rewrite. Use the new functions above.
4619 (write_tree): Remove afterward processing.
4620 (write_subroutine): Simplify function variant emission.
4621 (write_subroutines): New.
4622 (same_codes, clear_codes): Remove.
4623 (same_modes, clear_modes): Remove.
4624 (write_header): New, broken out of main.
4625 (make_insn_sequence): Use new_decision and new_decision_test.
4626 (process_tree): New, broken out of main.
4627 (main): Adjust for merge_trees interface change.
4628 Don't #define operands in the output file.
4629 (record_insn_name): New, broken out of make_insn_sequence.
4630 (debug_decision_2, debug_decision_1, debug_decision_0): New.
4631 (debug_decision): New.
4633 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
4635 * resource.c (find_free_register): Mark class_str argument const.
4636 * resource.h: Update prototype to match.
4638 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
4639 * i386.md: Give all anonymous insns names.
4641 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
4643 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
4646 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
4648 * toplev.c (dbr_sched_time): Unconditional.
4649 (peephole2_time): New.
4650 (compile_file): Add pass numbers to all of the dump file suffixes.
4651 Dump peephole2_time. Don't dump times for non-applicable passes.
4652 (rest_of_compilation): Add pass numbers to dump file suffixes.
4653 Conditionalize calls to the scheduler.
4654 * invoke.texi: Update.
4656 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
4658 * flow.c (make_edges): Fix insn iteration.
4659 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
4660 (find_basic_blocks_1): Fix spelling mistake.
4662 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
4664 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
4665 always have side-effects. Use memset not bzero.
4666 (make_node): Likewise.
4668 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
4670 * stmt.c (expand_anon_union_decl): When any of the elements of the
4671 union is addressable, so is the entire union.
4673 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
4675 * sbitmap.c (sbitmap_ones): Don't set too many bits.
4677 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
4678 * bitmap.c (bitmap_operation): Return true iff TO changed.
4679 (bitmap_equal_p): New.
4680 (bitmap_bit_p): Tidy arithmetic.
4681 (debug_bitmap_file): Likewise.
4683 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
4685 * toplev.c (rest_of_compilation): Turn on cse_not_expected
4686 before cse2 instead of after.
4688 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
4690 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
4693 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4695 * cppinit.c (is_idchar initializer): Loosen tests to accept
4698 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
4700 * mips.md: Define conditional move patterns for floating point
4701 operands and DI mode conditions.
4703 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
4705 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
4706 always have side-effects.
4708 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
4710 * mn10200.c (asm_file_start): Fix typo.
4712 * cppinit.c (is_idchar initializer): Tighten tests for when
4713 to put the table into initialized memory.
4715 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
4716 not an array of rtunion.
4717 * gcc-page.c (ggc_alloc_rtvec): Similarly.
4718 * gcc-simple (ggc_free_rtvec): Similarly.
4720 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
4723 * mbchar.h: Add missing #endif.
4725 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
4726 (FPBIT, DPBIT): Define.
4728 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4730 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
4732 * profile.c (instrument_arcs, output_gcov_string,
4733 tablejump_entry_p): Add static prototypes.
4734 (output_gcov_string): Constify a char*.
4736 * regmove.c (replacement_quality, fixup_match_2): Add static
4739 * resource.h (reg_dead_p): Add extern prototype.
4741 * rtl.c (trim_filename): Add static prototype.
4743 * scan-decls.c (skip_to_closing_brace): Likewise.
4745 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
4746 (expand_end_case): Initialize variable `range'.
4747 (emit_case_nodes): Remove unused prototype `rtx_fn'.
4749 * varasm.c (asm_emit_uninitialised): Add static prototype.
4750 (asm_emit_uninitialised, assemble_variable): Mark parameter with
4753 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4755 * cpplib.c (if_directive_nameo): Add static prototype.
4757 * cse.c (cse_insn): Remove unused variable `p'.
4759 * except.c (create_rethrow_ref, push_entry,
4760 receive_exception_label, new_eh_region_entry, find_func_region,
4761 clear_function_eh_region, process_nestinfo): Add static prototypes.
4762 (get_reg_for_handler): Hide definition.
4763 (process_nestinfo): Initialize variable `extra_handlers'.
4765 * expr.h (expand_builtin_longjmp): Add extern prototype.
4767 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
4769 * function.c (prepare_function_start): Likewise.
4770 (pop_function_context_from): Mark parameter `context' with
4772 (push_temp_slots_for_block, flush_addressof): Hide definition.
4774 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
4775 solve_program_flow_graph, calculate_branch_probs,
4776 function_summary, main, fancy_abort): Add prototypes.
4778 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
4779 (add_hash): Constify a char*.
4781 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
4782 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
4783 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
4785 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
4787 * lists.c (free_list, zap_lists): Likewise.
4789 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4791 * alias.c (nonlocal_reference_p): Add static prototype.
4793 * bitmap.c (bitmap_element_allocate): Prototype args in function
4796 * builtins.c (stabilize_va_list): Add static prototype.
4797 (expand_builtin_va_arg): Constify a char*.
4799 * c-lex.c (getch, put_back, extend_token_buffer_to,
4800 read_line_number, token_getch, token_put_back): Add static
4803 * c-parse.gperf (hash, is_reserved_word): Likewise.
4805 * cccp.c (is_dir_separator): Likewise.
4807 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4809 * graph.h: New file to prototype functions exported by graph.c.
4811 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
4813 * graph.c: Include graph.h.
4815 * toplev.c: Likewise. Remove redundant prototypes.
4817 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
4819 * invoke.texi: Removed duplicated description for -Q.
4821 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
4823 * extend.texi: Grammar fix in __extension__ text.
4825 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
4827 * md.texi (define_peephole2): New section.
4829 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
4831 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
4832 (mov $-1 to or peepholer): Enable for pentium when optimizing for
4835 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
4837 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
4839 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
4841 * i386.md (ffs expander): Emit Pentium friendly code for
4844 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
4846 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
4850 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4852 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
4854 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
4856 * config/m68k/m68k.c (use_return_insn): Return false if the pic
4859 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4861 * md.texi (No Constraints): Delete section.
4862 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
4863 * final.c (final_scan_insn): We always have register constraints.
4864 * genattrtab.c: Don't include "insn-config.h".
4865 (write_attr_case): We always have register constraints.
4866 * genconfig.c (register_constraint_flag): Delete.
4867 (walk_insn_part): Don't check whether we have register constraints.
4868 (main): Don't write out "#define REGISTER_CONSTRAINTS".
4869 * genoutput.c (have_constraints): Delete.
4870 (main): Don't set it.
4871 (output_operand_data): We always have constraints.
4872 (scan_operands): Likewise.
4873 (compare_operands): Likewise.
4874 * local-alloc.c (block_alloc): We always have constraints.
4875 (requires_inout): Always compile this function.
4876 * recog.c (extract_insn): We always have constraints.
4877 (constrain_operands, reg_fits_class_p): Always compile these
4879 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
4881 (struct insn_operand_data): Likewise.
4882 * regclass.c (regclass): We always have constraints.
4883 (record_reg_classes, copy_cost, record_address_regs,
4884 auto_inc_dec_reg_p): Always compile these functions.
4885 * regmove.c (regmove_optimize): We always have constraints.
4886 * reload.c (find_reloads): Likewise.
4887 * reload1.c (reload): Likewise.
4888 (reload_cse_simplify_operands): Likewise.
4889 * i860.c (output_delay_insn): Likewise.
4891 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
4893 * iris6.h (BUILD_VA_LIST_TYPE): Define.
4895 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4897 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
4898 for the va_list record.
4900 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
4902 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
4905 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
4907 * alias.c: Include insn-flags.h.
4908 * Makefile.in (alias.o): Update.
4910 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
4912 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
4913 to LTU and GEU. Handle more cases using sbb.
4915 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
4917 * i386.md (truncatexfdf splitters): Do not use subreg.
4918 (fop XFmode patterns): Fix mode in operand testing.
4920 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
4922 * jump.c (jump_optimize_1): Amend last change to test only the
4923 form of the operand, not the insn.
4925 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
4926 not register_operand to determine when B may need preloading.
4928 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
4930 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
4931 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
4932 (call-value patterns): Move to end of file.
4933 (*): Remove mode from label_ref in (pc) context.
4934 (movstrqi): Use memory not general_operand for BLKmode operands.
4935 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
4936 to register_operand operands.
4937 (peep2 patterns): Convert from commented-out peephole patterns.
4939 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4941 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
4942 to BUILT_IN_INIT_DWARF_REG_SIZES.
4943 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
4944 Renamed from BUILT_IN_DWARF_REG_SIZE; call
4945 expand_builtin_init_dwarf_reg_sizes.
4946 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
4947 with __builtin_init_dwarf_reg_size_table.
4948 * dwarf2out.c (struct reg_size_range): Delete.
4949 (expand_builtin_init_dwarf_reg_sizes): New function.
4950 (expand_builtin_dwarf_reg_size): Delete.
4951 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
4952 (expand_builtin_dwarf_reg_size): Don't declare.
4953 * libgcc2.c (dwarf_reg_size_table_initialized): New.
4954 (dwarf_reg_size_table): New.
4955 (init_reg_size_table): New function.
4956 (copy_reg): Use dwarf_reg_size_table.
4957 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
4960 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
4962 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
4963 Correctly build argument list to constructor and destructor functions.
4965 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
4967 * c-tree.h (warn_float_equal): Declare.
4968 * c-decl.c (warn_float_equal): Define.
4969 (c_decode_option): Recognize -W[no-]float-equal.
4970 * c-typeck.c (build_binary_op): Conditionally warn
4971 about equality tests of floating point types.
4972 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
4973 * invoke.texi: Add docs for -Wfloat-equal warning.
4975 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
4977 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
4978 generating RTL directly.
4979 * mips.h (INIT_TARGET_OPTABS): Likewise.
4980 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
4982 * expr.h (init_mov_optab): Delete declaration
4984 * h8300.c (WORD_REG_USED): Update to avoid useless register
4985 saves in interrupt functions and functions which never return.
4987 * cse.c (struct set): Delete inner_dest_loc field.
4988 (cse_insn): Remove assignments to inner_dest_loc field.
4990 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
4992 * ggc-page.c: Don't include <unistd.h> etc taken care of
4993 by "system.h". Include <sys/mman.h> afterward.
4995 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
4997 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
5000 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
5002 * xcoffout.c (xcoffout_declare_function): Add documentation.
5003 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
5004 TARGET_64BIT. Compare constant to -1, not bit pattern.
5005 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
5006 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
5009 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
5011 * dwarf2out.c (add_abstract_origin_attribute): Abort if
5013 (gen_inlined_enumeration_type_die): Do not abort if the type has
5014 not been writeen out.
5015 (gen_inlined_structure_type_die): Do not abort if the type has
5016 not been writeen out.
5017 (gen_inlined_union_type_die): Do not abort if the type has
5018 not been writeen out.
5019 (gen_tagged_type_instantiation_die): Do not abort if the type
5020 has not been written out.
5022 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5024 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
5026 * reg-stack.c (straighten_stack): Copy hard reg set with
5029 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
5031 * builtins.c (stabilize_va_list): Stabilize array type va_list
5032 to a pointer type, not the base record type.
5033 (expand_builtin_va_copy): Dereference the pointers explicitly;
5034 use the correct size for the copy.
5036 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
5037 (rs6000_va_arg): Likewise.
5039 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
5041 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
5043 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
5045 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
5047 (DECL_BUILT_IN_CLASS): Adjust accordingly.
5049 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
5051 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
5052 (init_ggc): Use it instead of a constant.
5053 (ggc_collect): Bound allocated_last_gc by it.
5055 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
5057 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
5060 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
5062 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
5063 (mips*-*-openbsd*): Let big endian configuration be a fragment.
5065 * config/mips/openbsd.h: New, OpenBSD little endian target.
5066 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
5067 * config/mips/xm-openbsd.h: New, OpenBSD host.
5069 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
5071 * config/m68k/m68k.c (output_function_prologue,
5072 output_function_epilogue): Use
5073 current_function_uses_pic_offset_table instead of regs_ever_live
5074 to decide whether to save/restore pic register.
5075 (legitimize_pic_address): Don't modify regs_ever_live any more.
5077 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
5079 * function.h (struct function): Add x_dont_save_pending_sizes_p.
5080 * stor-layout.c (variable_size): Don't add sizes to the pending
5081 sizes list if x_dont_save_pending_sizes_p is set.
5083 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
5085 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
5086 for symbolic_operand().
5087 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
5089 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5091 * combine.c (gen_rtx_combine): Add missing call to va_end().
5093 * final.c (asm_fprintf): Likewise.
5095 * genattrtab.c (attr_rtx): Likewise.
5097 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
5099 * cse.c: Update comments.
5100 (cse_insn): When converting a conditional/computed jump into
5101 an unconditional jump, always make sure a BARRIER immediately
5102 follows the converted jump. Do not delete unreachable code.
5103 (cse_basic_block): Do not delete unreachable code.
5104 * toplev.c (rest_of_compilation): Move call to
5105 delete_trivially_dead_insns after the conditional call to
5108 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5110 * collect2.c (make_temp_file): Don't prototype.
5112 * gcc.c (make_temp_file): Likewise.
5114 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
5116 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
5118 * varasm.c (asm_emit_uninitialised): New function: Generate
5119 the assembler statements necessary to declare an uninitialised
5121 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
5123 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
5124 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
5126 (assemble_variable): Use asm_emit_uninitialised to emit an
5127 uninitialised variable.
5129 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
5131 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
5132 constant on a 64 bit host. Patch supplied by Geoffrey Keating
5133 <geoffk@cygnus.com>.
5135 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5137 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
5138 * c-common.h (builtin_function): Don't declare.
5140 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
5142 (pushdecl): Likewise.
5143 (finish_decl): Likewise.
5144 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
5145 int. All callers changed.
5146 Set the builtin's DECL_BUILT_IN_CLASS.
5147 * tree.h (enum built_in_class): New.
5148 (enum built_in_function): Delete NOT_BUILT_IN.
5149 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
5151 (DECL_SET_FUNCTION_CODE): Likewise.
5152 (DECL_BUILT_IN_CLASS): New macro.
5153 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
5154 (struct tree_decl): Split builtin function code field into a
5156 (builtin_function): Declare.
5158 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
5160 * optabs.c (init_traps): Fix typo in last change.
5162 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
5164 * toplev.c (rest_of_decl_compilation): Update comment.
5166 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
5168 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
5169 in .sbss if appropriate.
5170 (EXTRA_SECTION_FUNCTIONS): Add sbss.
5171 (SBSS_SECTION_ASM_OP): New macro.
5172 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
5173 (EXTRA_SECTIONS): Add in_sbss.
5174 * config/mips/mips.h: Prototype sbss_section.
5176 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
5178 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
5181 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
5183 * optabs.c (init_traps): Register trap_rtx as a GC root.
5185 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5187 * config/mips/mips.c (function_arg_pass_by_reference): Define
5188 unconditionally, since it's called unconditionally.
5190 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
5192 * toplev.c (documented_lang_options): Add -fshort-wchar.
5193 * c-decl.c (c_decode_option): Likewise.
5194 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
5196 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
5197 * gcc.c (default_compilers): If -fshort-wchar,
5198 override __WCHAR_TYPE__.
5199 * tm.texi (C Dialect Options): Add -fshort-wchar.
5201 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
5202 symbol for a variable.
5204 * cpplib.h (CPP_PREPROCESSED): New macro.
5205 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
5206 we're seeing this input for a second time.
5208 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
5210 * emit-rtl.c (init_emit_once): Initialize modes first.
5212 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
5214 * config/i386/i386.c (pic_label_name): Change to char pointer.
5215 (global_offset_table): New variable.
5216 (load_pic_register): Fill global_offset_table if it hasn't
5217 already been done. Allocate pic_label_name dynamically.
5218 * ggc.h (empty_string): New variable.
5219 * ggc-simple.c (empty_string): Likewise.
5220 (init_ggc): Allocate empty_string and add as root.
5221 * stmt.c (digit_strings): New variable.
5222 (init_stmt): Add last_block_end_note as root. Allocate and
5223 initialize digit_strings.
5224 (expand_asm_operands): Use empty_string instead of string
5225 constant. Use digit_strings instead of string constants.
5226 * profile.c (init_arc_profiler): Allocate string with
5227 ggc_alloc_string instead of xmalloc.
5228 (output_func_start_profiler): Likewise.
5229 * c-typeck.c (digest_init): Check if init is error_mark_node.
5231 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
5232 Richard Henderson <rth@cygnus.com>
5234 * ggc-page.c: New file.
5235 * Makefile.in (ggc-page.o): New.
5237 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
5239 * invoke.texi: Document -fdelete-null-pointer-checks
5240 * toplev.c (flag_delete_null_pointer_checks): New.
5241 (f_options): Add entry for -fdelete-null-pointer-checks.
5242 (rest_of_compilation): Conditionalize null pointer check
5243 elimination on flag_delete_null_pointer_checks.
5244 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
5246 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
5248 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
5249 copyright notice and special exception to GPL.
5251 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5253 * abi64.h (mips_function_value): Add prototype arguments.
5255 * mips-protos.h: New file with mips prototypes.
5257 * mips.c: Include "tm_p.h".
5258 (mktemp, lookup_name): Add prototype arguments.
5259 (extern_list, string_constant, mips_fill_delay_slot,
5260 mips_output_external, mips_output_external_libcall,
5261 mips_output_filename, mips_declare_object, function_prologue,
5262 mips_expand_prologue, function_epilogue, mips16_constant,
5263 build_mips16_function_stub, mips_output_conditional_branch):
5265 (mips_va_start): Remove unused variable `u'.
5266 (mips_va_arg): Cast value to unsigned when comparing against one.
5268 (save_restore_insns, mips_expand_prologue): Add missing arg in
5269 call to `large_int'.
5271 * mips.h: Move prototypes to mips-protos.h.
5272 (data_section, memory_address_p, rdata_section,
5273 readonly_data_section, simple_epilogue_p, text_section): Delete
5274 prototypes delcared elsewhere.
5275 (mips_epilogue_delay_slots, print_options): Delete unused decls.
5277 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
5279 * mips.md: Delete extra args in call to `mips_move_2words'.
5281 * xm-iris6.h (alloca): Add prototype argument.
5283 * genpeep.c: Include "tm_p.h" in generated output file.
5285 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5287 * basic-block.h (find_edge_index): Change parameters.
5288 * flow.c (verify_edge_list): Pass basic_block parameters to
5289 find_edge_index instead of integers.
5291 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
5293 * combine.c (simplify_comparison): Use an unsigned shift to adjust
5296 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
5298 * gcc.1: Fix a formatting error.
5300 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5302 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
5303 i786, mn10200, mn10300, pdp11, v850.
5305 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
5307 * libgcc2.c (num_digits): Add prototype with
5308 __attribute__((const)).
5309 (__terminate): Add prototype.
5311 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
5313 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
5315 * alpha/alpha.c (print_operand): Fix type of `code'.
5316 (alpha_output_filename): Constify.
5317 * alpha/alpha.h: Move all function declarations ...
5318 * alpha/alpha-protos.h: ... here. New file.
5319 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
5320 (SECTION_FUNCTION_TEMPLATE): Likewise.
5322 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5324 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
5325 * expr.c (expand_expr): Likewise.
5326 (do_jump): Likewise.
5327 (do_store_flag): Pass ccp_store_flag to can_compare_p.
5328 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
5330 (enum can_compare_purpose): New.
5331 (can_compare_p): Adjust prototype.
5332 (prepare_cmp_insn, prepare_operand): Declare.
5333 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
5334 * optabs.c (cmp_available_p): Deleted.
5335 (expand_abs): Pass ccp_jump to can_compare_p.
5336 (can_compare_p): New arg PURPOSE. Check for combined optabs.
5337 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
5338 Call can_compare_p rather than cmp_available_p.
5339 (prepare_operand): No longer static.
5340 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
5341 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
5342 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
5343 sequence to use emit_cmp_and_jump_insns.
5344 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
5346 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
5348 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
5349 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
5350 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
5351 (plus (reg) (const_int 0))
5352 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
5354 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
5356 * rs6000.c (expand_block_move): DImode loads and stores require
5357 word-aligned displacements. Increment address registers with
5358 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
5360 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
5362 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
5363 is no name for the base type, rather than segfault. If we are
5364 writing out a complex integer type, use DW_ATE_lo_user.
5366 * expr.c (emit_move_insn_1): If we are copying a complex that fits
5367 in one word or less (complex char, complex short, or on 64 bit
5368 systems complex float) to/from a hard register, copy it through
5369 memory instead of dying in gen_{real,imag}part. If we have a
5370 short complex type, prevent inlining since it allocates stack
5373 * tree.c (build_complex_type): If we are writing dwarf2 output,
5374 generate a name for complex integer types.
5376 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5378 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
5379 * flow.c (remove_edge): Remove extra whitespace.
5380 (remove_fake_edges): Fix comment.
5381 (add_noreturn_fake_exit_edges): Use the correct name.
5383 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
5385 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
5386 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
5387 (clean): Depend on INTL_CLEAN.
5388 (maintainer-clean): Adjust.
5390 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5392 * configure.in (AC_PREREQ): Bump to 2.13.
5393 (AC_C_STRINGIZE): Call this instead of using a custom macro.
5395 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
5397 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
5399 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
5401 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
5402 (HAVE_STRINGIZE): Define.
5404 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
5406 * c-parse.in: save and restore warn_pointer_arith on __extension__
5407 along with pedantic.
5408 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
5409 Set the type of extension to itype rather than $<itype>1 kludge.
5410 * extend.texi (Alternate Keywords): Adjust documentation.
5411 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
5413 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
5415 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
5416 most assembler templates.
5418 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
5419 FP loads and stores.
5420 (following_call): Always return zero for the PA8000.
5421 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
5422 FP loads and stores.
5423 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
5425 * pa.h (BRANCH_COST): Define.
5427 * pa.md (return, return_internal): Use bve for PA2.0.
5429 * pa.md (fused multiply): Add variants which reduce height for the
5430 fused multiply, but which still generate 2 insns.
5431 (fnegabs): Similarly.
5433 * pa.md (subsi3): Turn into an expander. Create two anonymous
5434 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
5435 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
5437 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
5439 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
5441 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
5442 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
5444 * regclass.c (init_regs): Add "top_of_stack" as a garbage
5447 * flow.c (record_active_eh_regions): Terminate loop after finding
5448 the last insn in the last basic block.
5450 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5452 * config/c4x/c4x.md: Delete parallel instruction peepholes.
5454 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5456 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
5458 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5460 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
5461 splitting to not use output template.
5463 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5465 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
5466 * config/c4x/c4x.c (c4x_va_start): New function.
5468 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
5470 * genrecog.c (not_both_true): Handle correctly cases when called for
5471 tests with different positions in the insn.
5473 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5475 * machmode.h (HOST_PTR_PRINTF): Move from here ...
5477 * system.h (HOST_PTR_PRINTF): ... to here.
5479 * mips-tfile.c: Don't include machmode.h.
5481 * Makefile.in (MACHMODE_H): New variable. Update to use it.
5482 (mips-tfile.o): Don't depend on machmode.h.
5484 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5486 * haifa-sched.c (sched_analyze): Rename local variable `region' to
5487 avoid conflicts with typedef struct `region' at the top level scope.
5489 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
5491 * basic-block.h (basic_block): Add eh_beg, eh_end.
5492 * flow.c (entry_exit_blocks): Update.
5493 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
5495 (find_basic_blocks_1): Don't record eh_list at each bb. Use
5496 lists.c functions to allocate insn lists.
5497 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
5499 (make_eh_edge): ... here. New.
5500 (move_stray_eh_region_notes): New.
5501 (record_active_eh_regions): New.
5502 (delete_unreachable_blocks): Split out block merging ...
5503 (try_merge_blocks): ... here. New.
5504 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
5505 Dump debugging data.
5506 (merge_blocks_move_successor_nojumps): Likewise.
5507 (merge_blocks): Use eh_beg+eh_end to validate block movement.
5509 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5511 * extend.texi (Bound member functions): Document unbound pmf
5514 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5516 * flow.c (split_edge): Handle insertion on a fallthrough edge which
5517 has the EXIT_BLOCK as a dest.
5519 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5521 * flow.c (remove_edge): New function to remove an edge from the
5523 (remove_fake_successors): New function to remove fake successor edges.
5524 (remove_fake_edges): New function to remove all fake edges from the
5526 (add_fake_exit_edges): New function to add fake edges from all blocks
5527 with no successors to the exit block.
5528 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
5529 prototypes for new functions.
5531 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5533 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
5534 Use Pmode to determine whether to output .dword or .word.
5536 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
5538 * tree.c (built_in_filename): New variable.
5539 (BUILT_IN_FILENAME): New macro.
5540 (init_tree_codes): Allocate built_in_filename.
5541 (make_node): Use built_in_filename instead of string constant.
5543 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
5545 * configure.in: Add fr30 target.
5546 * configure: Regenerate.
5547 * config/fr30: New directory.
5548 * config/fr30/crti.asm: New file.
5549 * config/fr30/fr30.c: New file.
5550 * config/fr30/crtn.asm: New file.
5551 * config/fr30/fr30.h: New file.
5552 * config/fr30/fr30.md: New file.
5553 * config/fr30/lib1funcs.asm: New file.
5554 * config/fr30/t-fr30: New file.
5555 * config/fr30/xm-fr30.h: New file.
5557 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
5559 * flow.c (merge_blocks_move_successor_nojumps): Delete the
5560 BARRIER at the end of the successor, not the BARRIER before
5563 * pa.c (pa_add_gc_roots): Fix thinko in last change.
5565 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
5567 * stmt.c (any_pending_cleanups): Don't crash when
5568 current_function->stmt is unset.
5570 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5572 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
5573 other initializations that may use it for relative offsets.
5575 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5577 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
5578 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
5579 * config/i386/sol2dbg.h: Removed.
5580 * config/i386/sol2gas.h: New file, to enable gas work-around.
5581 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
5582 Don't use sol2dbg.h.
5583 * configure: Rebuilt.
5585 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
5587 * invoke.texi (-fthis-is-variable): Remove documentation.
5589 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
5591 * basic-block.h (compute_bb_for_insn): Declare.
5592 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
5593 to use; set size of basic_block_for_insn directly.
5594 (find_basic_blocks): Update.
5596 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5598 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
5600 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5602 * crtstuff.c (ON_EXIT): Delete empty macro definition.
5603 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
5605 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
5607 * c-decl.c (c_decode_option): Extend comment.
5609 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
5611 * toplev.c (progname): Make 'const char *'
5612 (flag_print_mem): Move out of main.
5613 (version_flag): Move out of main.
5614 (filename): Move out of main.
5615 (debug_args): Remove g prefix from options.
5616 (documented_lang_options): Remove cpplib specific options.
5617 (display_help): Add g prefix to debug options.
5618 (check_lang_option): Delete this function.
5619 (decode_d_option): New function: Decode -d... option.
5620 (decode_f_option): New function: Decode -f... option.
5621 (decode_W_option): New function: Decode -W... option.
5622 (decode_g_option): New function: Decode -g... option.
5623 (independent_decode_option): New function: Decode a language
5624 independent command line option.
5625 (main): Invoke lang_decode_option and then
5626 independent_decode_option on each command line option in
5629 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
5631 Revert this change. Gavin's patch to operand_equal_p is a better fix.
5632 * fold-const.c (fold_range_test): Do not try to fold the range
5633 test if the rhs or lhs has side effects.
5635 * basic-block.h (compute_flow_dominators): Declare.
5637 * gcse.c (alloc_code_hoist_mem): New function.
5638 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
5639 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
5640 (hoist_code, one_code_hoisting_pass): Likewise.
5641 (gcse_main): If optimizing for size, then hoist expressions
5642 computed in multiple dominated basic blocks.
5644 * gcse.c (invalid_nonnull_info): New function.
5645 (delete_null_pointer_checks): Likewise.
5646 * rtl.h (delete_null_pointer_checks): Declare.
5647 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
5649 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
5650 (merge-blocks_move_successor_nojumps): Likewise.
5651 (merge_blocks): Allow merging of some blocks, even if it requires
5652 physical movement of the blocks, but not if it requires new jumps.
5654 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
5655 Callers and prototype changed.
5656 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
5658 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5660 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
5661 -YP when both -p and -pg are present. From i386/sol2.h.
5663 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5665 * Makefile.in (distclean): Delete tm_p.h.
5666 * configure.in: Create a new file, "tm_p.h", from a list in
5667 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
5668 "i386/i386-protos.h".
5670 * alias.c: Include "tm_p.h".
5671 * c-typeck.c: Likewise.
5672 * calls.c: Likewise.
5674 * emit-rtl.c: Likewise.
5675 * explow.c: Likewise.
5676 * expmed.c: Likewise.
5678 * final.c: Likewise.
5680 * fold-const.c: Likewise.
5681 * function.c: Likewise.
5683 * global.c: Likewise.
5684 * haifa-sched.c: Likewise.
5685 * integrate.c: Likewise.
5687 * local-alloc.c: Likewise.
5689 * optabs.c: Likewise.
5690 * recog.c: Likewise.
5691 * reg-stack.c: Likewise.
5692 * regclass.c: Likewise.
5693 * regmove.c: Likewise.
5694 * reload.c: Likewise.
5695 * reload1.c: Likewise.
5696 * reorg.c: Likewise.
5697 * resource.c: Likewise.
5699 * stor-layout.c: Likewise.
5700 * toplev.c: Likewise.
5702 * unroll.c: Likewise.
5703 * genattrtab.c (main): Make generated file include "tm_p.h".
5704 * genemit.c (main): Likewise.
5705 * genoutput.c (main): Likewise.
5706 * genrecog.c (main): Likewise.
5708 * i386.h: Delete all prototypes.
5709 * i386.c: Include "tm_p.h".
5710 (ix86_attr_length_default): Call constant_call_address_operand
5711 with correct number of arguments.
5712 * i386-protos.h: New file.
5713 * i386.md (unnamed patterns): Call constant_call_address_operand
5714 with correct number of arguments.
5715 (exception_receiver): Call load_pic_register with correct number
5718 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
5720 * c-pragma.c (mark_align_stack): Dereference the void* properly.
5722 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
5724 * rtl.h (insns_safe_to_move_p): New function.
5725 * loop.c (find_and_verify_loops): Use it.
5726 * rtlanal.c (insns_safe_to_move_p): Define it.
5728 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
5730 * c-pragma.c: Include ggc.h.
5731 * Makefile.in (c-pragma.o): Update.
5733 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5735 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
5736 (LIB_SPEC): Likewise.
5737 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
5738 Reindent -YP/-p/-pg.
5739 Copied from config/sparc/sol2.h.
5741 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
5743 * c-pragma.c (mark_align_stack): New.
5745 * c-pragma.h (init_pragma): Declare it.
5746 * c-lex.c (init_parse): Call it.
5748 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5750 * configure.in: Pick up thread library on Solaris/x86 just
5751 like on Solaris/sparc.
5752 * configure: Rebuilt.
5754 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
5756 * rtl.h (global_rtx_index): New enum.
5757 (global_rtl): Change to array of rtx.
5758 (pc_rtx, cc0_rtx): Redefine accordingly.
5759 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
5760 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
5761 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
5762 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
5763 (const_int_rtx): Change to array of rtx.
5764 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
5766 * emit-rtl.c (global_rtl): Change to array of rtx.
5767 (const_int_rtx): Change to aray of rtx.
5768 (gen_rtx_CONST_INT): Redefine accordingly.
5769 (init_emit_once): Allocate and initialize global_rtl. Likewise
5770 for const_int_rtx. Add both as GC roots.
5771 * genattrtab.c (global_rtl): Update declaration.
5773 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
5775 * Makefile (USER_H): Add iso646.h back.
5777 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
5779 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
5780 zapping the LOG_LINKS of sched_before_next_call.
5782 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
5783 * pa.c (insn_refs_are_delayed): Renamed from
5784 insn_sets_and_refs_are_delayed.
5786 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
5788 * functiion.h (struct function): Add x_whole_function_mode_p.
5789 (retrofit_block): Declare.
5790 * function.c (retrofit_block): New function.
5791 (identify_blocks): Add assertions. Allow an incomplete set of
5792 block notes if we're still generating code for the function.
5793 * integrate.c: Include loop.h.
5794 (expand_inline_function): Call find_loop_tree_blocks to map block
5795 notes to blocks when in whole-function mode. Use retrofit_block
5796 to insert new BLOCKs for the inlined function, rather than
5798 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
5799 * Makefile.in (integrate.o): Depend on loop.h.
5801 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
5803 * tree.h (warn_about_unused_variables): Declare.
5804 * stmt.c (warn_about_unused_variables): New function, split out
5806 (expand_end_bindings): Here.
5808 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
5810 * stmt.c (preserve_subexpressions_p): Don't crash when
5811 current_function->stmt is unset.
5813 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
5815 * stmt.c (expand_start_bindings): Allow callers to pass a flag
5816 indicating that no NOTE_INSN_BLOCK_BEG note is required.
5817 (expand_start_target_temps): Use it.
5818 * except.c (expand_eh_region_start_for_decl): Likewise.
5819 * expr.c (expand_expr): Likewise.
5821 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
5823 * fold-const.c (operand_equal_p): Pay attention to side effects.
5825 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
5827 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
5828 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
5830 * tlink.c (scan_linker_output): Look for keywords before accepting
5831 a mangled name in quotes.
5833 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
5835 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
5836 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
5838 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
5840 * alpha.md: Revert Thu Nov 26 change that came in through the
5841 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
5842 Avoid earlyclobber when possible.
5844 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5846 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
5848 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
5849 Define HAVE_ON_EXIT.
5851 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5853 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
5854 CTYPE_CONV in all ctype macros.
5856 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
5859 * cexp.y (initialize_random_junk): Likewise.
5861 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
5863 * i370.c (handle_pragma): Likewise.
5865 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
5867 * v850.c (override_options): Likewise.
5869 * doprint.c (_doprnt): Likewise.
5871 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
5874 * fixinc/server.c (load_data): Likewise.
5876 * fold-const.c (real_hex_to_f): Likewise.
5878 * genattr.c (write_upcase, gen_attr): Likewise.
5880 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
5881 write_upcase): Likewise.
5883 * genemit.c (print_code): Likewise.
5885 * genopinit.c (gen_insn): Likewise.
5887 * genpeep.c (print_code): Likewise.
5889 * genrecog.c (print_code): Likewise.
5891 * optabs.c (init_libfuncs): Likewise.
5893 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
5895 * haifa-sched.c (sched_analyze): Keep the list of notes organized
5897 (reemit_notes): Likewise.
5899 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
5901 * ggc.h (ggc_root): Move to ggc-common.c.
5903 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
5904 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
5905 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
5906 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
5907 * ggc-common.c (ggc_root): Move from ggc.h.
5908 (roots): Declare, static.
5909 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
5910 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
5911 null or check/set mark bit.
5912 (ggc_mark_roots): New.
5913 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
5915 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
5917 * m32r.c: Include toplev.h.
5918 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
5919 (gen_compare): Rename swap_p to must_swap to match uses.
5920 Add default abort case.
5921 (m32r_output_function_epilogue): Remove unused variables.
5922 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
5923 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
5924 define to empty parameter list. Update all uses.
5925 (predicate decls): Use enum machine_mode not int.
5926 * m32r.md (movsi): Call abort, not fatal_insn.
5927 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
5929 1999-09-14 Andrew Haley <aph@cygnus.com>
5931 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
5932 use $0 instead of 0.
5934 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5936 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
5937 computation out of loop over hard regs.
5939 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
5941 * function.c (identify_blocks): Don't shadow a variable in an
5943 * integrate.c (integrate_decl_tree): Don't use pushlevel,
5944 pushdecl, or poplevel to build up the new BLOCK tree.
5945 (expand_inline_function): Likewise.
5946 (integrate_parm_decls): Likewise.
5948 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
5950 * c-typeck.c (qualify_type): Merge qualifiers from both types.
5952 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
5954 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
5955 * invoke.texi: Document this change.
5957 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
5959 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
5961 (mark_emit_status): Renamed from mark_emit_state.
5962 * except.c (mark_eh_status): Renamed from mark_eh_state.
5963 Check not null before marking.
5964 (free_eh_status): New.
5965 * expr.c (mark_expr_status, free_expr_status): New.
5966 * function.c (free_machine_status): New.
5967 (free_after_parsing): New.
5968 (free_after_compilation): Move bits to free_after_parsing; call
5969 free_eh_status, free_expr_status; zero the marked members of the
5971 (prepare_function_start): No can_garbage_collect.
5972 Call init_eh_for_function.
5973 (expand_dummy_function_end): Free up current_function state.
5974 (mark_function_status): Renamed from mark_function_state.
5975 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
5976 * function.h (struct function): No can_garbage_collect.
5977 (free_machine_status, free_after_parsing): Declare.
5978 (free_eh_status, free_expr_status): Declare.
5979 * ggc.h (mark_expr_status): Declare.
5980 * stmt.c (free_stmt_status): Free the struct.
5981 (mark_stmt_status): Renamed from mark_stmt_state.
5982 (init_stmt): Don't call init_eh.
5983 (init_stmt_for_function): Don't call init_eh_for_function.
5984 * toplev.c (compile_file): Call init_eh.
5985 (rest_of_compilation): Free basic block info before ggc_collect.
5986 Call free_after_parsing; conditionally call free_after_compilation.
5987 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
5988 Check not null before marking.
5989 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
5991 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
5993 * c-lex.c (yylex): Initialize warn.
5995 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
5997 * pa.c (emit_move_sequence): Properly set the mode of the scratch
5998 register when performing secondary reloads for the SAR register.
6000 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
6002 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
6003 (NOTE_BLOCK): New macro.
6004 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
6005 * function.h (identify_blocks): Change prototype.
6006 * function.c (identify_blocks): Simplify.
6007 (reorder_blocks): Likewise.
6008 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
6009 NOTE_INSN_BLOCK_{BEG,END}.
6010 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
6011 the list of saved notes if the note isn't a
6012 NOTE_INSN_BLOCK_{BEG,END}.
6013 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
6015 (reemit_notes): Adjust recreation of notes to reflect new saved
6017 * print-rtl.c (print_rtx): Print the address of the BLOCK when
6018 printing a block note.
6019 * stmt.c (block_vector): Remove.
6020 (find_loop_tree_blocks): Simplify.
6021 (unroll_block_trees): Likewise.
6022 * tree.h (reorder_block): Change prototype.
6024 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
6026 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
6027 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
6028 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
6029 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
6030 (atexit, exit): Simplify.
6031 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
6032 * config/lots: Remove defns of HAVE_ATEXIT.
6034 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
6036 * calls.c (precompute_arguments): Fix typo in comment.
6037 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
6040 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
6042 * dsp16xx.c (override_options): Fix typos in GC root registration.
6044 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
6046 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
6048 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
6049 (FUNCTION_PROFILER): Redefine appropriately for Linux.
6050 (CC1_SPEC): Likewise.
6052 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6054 * genattr.c (main): Add extern prototype. Call return, not exit.
6055 * genattrtab.c (main): Likewise.
6056 * gencheck.c (main): Likewise.
6057 * gencodes.c (main): Likewise.
6058 * genconfig.c (main): Likewise.
6059 * genemit.c (main): Likewise.
6060 * genextract.c (main): Likewise.
6061 * genflags.c (main): Likewise.
6062 * gengenrtl.c (main): Likewise.
6063 * genopinit.c (main): Likewise.
6064 * genoutput.c (main): Likewise.
6065 * genpeep.c (main): Likewise.
6066 * genrecog.c (main): Likewise.
6068 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
6069 * genattrtab.c (get_insn_name): Likewise.
6070 * gencodes.c (get_insn_name): Likewise.
6071 * genconfig.c (get_insn_name): Likewise.
6072 * genemit.c (get_insn_name): Likewise.
6073 * genextract.c (get_insn_name): Likewise.
6074 * genflags.c (get_insn_name): Likewise.
6075 * genopinit.c (get_insn_name): Likewise.
6076 * genpeep.c (get_insn_name): Likewise.
6078 * gencheck.c (usage): Add static prototype.
6079 * genextract.c (print_path): Constify a char*.
6080 * genopinit.c (optabs): Likewise.
6081 * genoutput.c (operand_data, data, output_predicate_decls,
6082 compare_operands): Likewise.
6083 * genrecog.c (write_tree): Add default case in switch.
6085 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6087 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
6089 * print-rtl.c (get_insn_name): Remove prototype.
6091 * toplev.h (progname): Declare const.
6093 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
6094 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
6095 dump_sched_info, dump_local_alloc, regset_release_memory,
6096 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
6097 error_with_file_and_line, error_with_decl, error_for_asm, error,
6098 fatal, warning_with_file_and_line, warning_with_decl, warning,
6099 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
6100 Remove redundant prototypes.
6102 (notice, check_lang_option, report_file_and_line, vnotice,
6103 mark_file_stack): Add static prototype.
6104 (set_fatal_function): Add prototype.
6105 (vnotice, report_file_and_line, set_fatal_function,
6106 check_lang_option): Constify a char*.
6107 (main): Prototype. Call return, not exit.
6109 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6111 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
6113 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
6115 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
6117 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
6119 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6121 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
6122 behave as if it's zero in all cases.
6123 (expand_function_start): Adjust call to assign_parms.
6124 * tree.h (assign_parms): Adjust prototype.
6125 * objc/objc-act.c (hack_method_prototype): Adjust call to
6128 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
6130 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
6131 arg_pointer_rtx fixed if the argument pointer register is
6133 (NONZERO_BASE_PLUS_P): Likewise.
6135 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
6137 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
6138 match_insn2 to match_insn.
6139 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
6141 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
6143 * Makefile.in (USER_H): Remove va-foo.h.
6145 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
6146 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
6147 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
6148 va-spur.h,va-v850.h}: Remove.
6150 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
6152 * sparc/sparc.md (eligible_for_return_delay): New attribute.
6153 (in_return_delay): Use it instead of match_insn.
6155 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6157 * config/alpha/va_list.h (va-alpha.h): Do not include.
6158 (__gnuc_va_list): Typedef as in varargs.h.
6160 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
6162 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
6163 DECL_LIVE_RANGE_RTL.
6165 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
6167 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
6168 not NOTE_BLOCK_NUMBER.
6169 (expand_eh_region_end): Likewise.
6170 (find_exception_handler_labels): Likewise.
6171 (scan_region): Likewise.
6172 (exception_optimize): Likewise.
6173 (update_rethrow_references): Likewise.
6174 (set_insn_eh_region): Likewise.
6175 * final.c (final_scan_insn): Likewise.
6176 * flow.c (make_edges): Likewise.
6177 * integrate.c (expand_inline_function): Likewise.
6178 * print-rtl.c (print_rtx): Likewise.
6180 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
6182 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
6183 terms of builtin functions and types.
6185 * mips.c (mips_build_va_list): New.
6186 (mips_va_start, mips_va_arg): New.
6187 * mips.h (BUILD_VA_LIST_TYPE): New.
6188 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
6190 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
6191 (sh_build_va_list, sh_va_start, sh_va_arg): New.
6192 * sh.h (BUILD_VA_LIST_TYPE): New.
6193 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
6195 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
6197 * recog.h (struct recog_data): Make dup_num, operand_address_p,
6198 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
6199 (struct insn_data): Likewise with n_operands, n_dups,
6200 n_alternatives, output_format.
6201 * regclass.c (scan_one_insn): Cast n_operands to int before
6202 arithmetic inside comparison.
6204 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
6206 * toplev.c (compile_function): Unconditionally emit nop.
6208 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6210 * haifa-sched.c (actual_hazard): Move declaration of variable
6211 `this_cost' into the scope where it is used.
6213 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6215 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
6216 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
6217 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
6219 * genrecog.c (make_insn_sequence): Call memset, not bzero.
6221 * jump.c (find_insert_position): Don't declare or define unless
6222 !HAVE_conditional_arithmetic.
6223 (returnjump_p_1, delete_prior_computation): Add static prototypes.
6225 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
6227 * recog.c (offsettable_address_p): Prototype function pointer.
6228 (preprocess_constraints): Call memset, not bzero.
6230 * tree.c (tree_node_kind_names): Constify a char*. Make static.
6231 (gcc_obstack_init): Don't declare.
6232 (fix_sizetype): Add static prototype.
6233 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
6234 (tree_cons): Call memset, not bzero.
6236 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
6237 definition in macro ASM_WEAKEN_LABEL.
6238 (mark_const_hash_entry): Add static prototype.
6240 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6242 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
6244 * unroll.c (find_common_reg_term, subtract_reg_term,
6245 loop_find_equiv_value): Add static prototypes.
6246 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
6247 (copy_loop_body): Remove unreachable break statement.
6249 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
6251 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
6253 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6255 Undo some changes from the gcc2 merge:
6256 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
6257 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
6261 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
6262 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6263 initialized float-int union if the value is a NaN.
6265 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
6267 * gthr-win32.h: New file.
6269 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
6270 shared as a valid attribute.
6271 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
6272 * extend.texi: Document `shared' variable attribute.
6274 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
6276 * configure.in: Handle --enable-threads on FreeBSD.
6277 * configure: Rebuit.
6279 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
6281 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
6283 * configure: Rebuilt.
6285 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
6286 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
6287 Rosimildo DaSilva <rdasilva@connecttel.com>
6289 * configure.in (m68k-*-rtemscoff*): Added.
6290 * configure.in (mips64orion-*-rtems*): Converted to ELF.
6291 * configure.in (sparc-*-rtemsaout*): Added as alias for old
6292 sparc-rtems configuration.
6293 * configure.in (sparc-*-rtemself*): Added.
6294 * configure.in (sparc-*-rtems*): Now ELF not a.out.
6295 * config/i386/rtems.h: Added comment.
6296 * config/sparc/rtemself.h: New file.
6298 * configure.in (m68k-rtemself): Added.
6299 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
6300 and DWARF_DEBUGGING_INFO.
6301 * config/m68k/crti.s: New file.
6302 * config/m68k/crtn.s: New file.
6303 * config/m68k/t-crtstuff: New file.
6304 * config/m68k/rtemself.h: New file.
6306 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
6307 global ctor/dtor and C++ exception handling.
6308 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
6309 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
6311 * config/i386/t-rtems-i386: New File.
6313 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
6315 * stmt.c (expand_end_case): Return right away if the case stack is
6318 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
6320 * Makefile.in (version.c): Remove rule incorrectly brought in from
6323 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
6325 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
6326 * msdos/top.sed: Take into account a prepended $(SHELL) to
6328 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
6330 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
6332 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6334 * regmove.c (fixup_match_1): Don't change an unchanging register.
6335 (stable_but_for_p): Renamed to:
6336 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
6337 Changed all callers.
6339 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
6341 * loop.c (strength_reduce): Don't call reg_used_between_p if the
6342 insn from BL2 is after the insn from BL.
6344 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
6346 * recog.h (INSN_OUTPUT_FORMAT_*): New.
6347 (struct insn_data): Merge `template' and `outfun' into `output'.
6348 Add `output_format'.
6349 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
6350 (struct data): Remove `outfun'; add `output_format'.
6351 (name_for_index): Remove declaration.
6352 (output_insn_data): Handle output formats.
6353 (process_template): Emit the bare array for @.
6354 (gen_expand, gen_split): Set output_format to NONE.
6355 * output.h (get_insn_template): Declare.
6356 * final.c (get_insn_template): New.
6357 (final_scan_insn): Use it.
6358 * toplev.c (compile_file): Likewise.
6360 * c4x/c4x.c (c4x_process_after_reload): Likewise.
6361 * i860/i860.c (output_delayed_branch): Likewise.
6362 (output_delay_insn): Likewise.
6364 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6366 * rtl.c (obstack_alloc_rtx): Removed.
6368 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
6370 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
6372 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
6374 * i386.c (call_insn_operand): Reject const_int.
6375 (expander_call_insn_operand): Use call_insn_operand.
6377 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6379 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
6381 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
6383 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
6384 Use DImode operation.
6386 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
6388 * gcc.c: Include sys/resource.h.
6389 (report_times): New flag.
6390 (execute): If report_times is set, calculate and report the
6391 CPU time consumed by each subprocess.
6393 (rus, prus): New globals.
6394 (option_map): Add --time.
6395 (display_help): Document -time.
6396 (process_command): Set report_times if -time is given.
6397 Turn off -pipe if -time is given.
6399 * invoke.texi: Document new option -time.
6401 * configure.in: Check for getrusage. Check if we have to
6402 prototype getrusage.
6403 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
6404 * configure: Regenerate.
6405 * config.in: Regenerate.
6407 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
6409 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
6412 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
6414 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
6415 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
6416 (nan): Return _thenan_sf or _thenan_df as appropriate.
6417 (L_thenan_sf): Define _thenan_sf.
6418 (L_thenan_df): Define _thenan_df.
6420 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
6421 (DPBIT_FUNCS): Add _thenan_df.
6423 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
6425 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
6428 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6430 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
6433 (lang_specific_driver): Don't take a function pointer parameter.
6434 All callers changed.
6436 * gcc.c: Include gcc.h.
6437 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
6438 lang_specific_extra_outfiles, fatal): Don't declare.
6439 (multilib_defaults_raw): Constify.
6440 (read_specs): Call memset, rather than bzero.
6441 (main): Call return, not exit.
6442 (lookup_compiler): Call memcpy, not bcopy.
6443 (fatal): Make extern.
6445 * cppspec.c: Include gcc.h.
6446 (lang_specific_driver): Initialize variable `quote'. Constify a
6447 char*. All calls to the function pointer parameter now
6448 explicitly call `fatal'.
6450 * gccspec.c (lang_specific_driver): Include gcc.h.
6452 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
6454 * arm.c (note_invalid_constants): Use recog_data.operand_type
6457 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6459 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
6462 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
6463 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
6464 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
6465 reload_secondary_in_reload, reload_secondary_out_reload,
6466 reload_secondary_in_icode, reload_secondary_out_icode,
6467 reload_reg_rtx, reload_when_needed): Delete declarations.
6468 (struct reload): New structure.
6469 (rld): Declare new array.
6470 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
6471 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
6472 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
6473 reload_secondary_in_reload, reload_secondary_out_reload,
6474 reload_secondary_in_icode, reload_secondary_out_icode,
6475 reload_reg_rtx, reload_when_needed): Delete definitions.
6477 (whole file): Replace uses of the deleted arrays with uses of rld.
6478 * reload1.c (whole file): Replace uses of the deleted arrays with
6480 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
6481 explicit loops, not with bcopy.
6483 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
6485 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
6486 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
6487 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
6488 insn_name): Delete and consolidate into new structures.
6489 (insn_operand_predicate_fn): New.
6490 (insn_output_fn): New.
6492 (struct insn_operand_data): New.
6493 (struct insn_data): New.
6495 (OUT_FCN): Update for insn_data change.
6496 * builtins.c (expand_builtin_strlen): Likewise.
6497 (expand_builtin_memcmp): Likewise.
6498 * combine.c (make_extraction, simplify_comparison): Likewise.
6499 * cse.c (canon_reg, cse_insn): Likewise.
6500 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
6501 * expmed.c (store_bit_field, extract_bit_field): Likewise.
6502 (emit_store_flag): Likewise.
6503 * expr.c (convert_move, emit_block_move): Likewise.
6504 (clear_storage, emit_push_insn, expand_increment): Likewise.
6505 (do_store_flag): Likewise.
6506 * expr.h (GEN_FCN): Likewise.
6507 (insn_gen_function): Die.
6508 * final.c (final_scan_insn): Update for insn_data change.
6509 (output_asm_name): Likewise.
6510 * function.c (fixup_var_refs_1): Likewise.
6511 * loop.c (check_dbra_loop): Likewise.
6512 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
6513 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
6514 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
6515 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
6516 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
6517 * regmove.c (gen_add3_insn): Likewise.
6518 * reload.c (push_secondary_reload, combine_reloads): Likewise.
6519 (find_reloads, find_reloads_address_1): Likewise.
6520 (debug_reload_to_stream): Likewise.
6521 * reload1.c (emit_reload_insns, gen_reload): Likewise.
6522 * stmt.c (expand_end_case): Likewise.
6523 * toplev.c (compile_file): Likewise.
6525 * c4x/c4x.c (c4x_process_after_reload): Likewise.
6526 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
6528 * print-rtl.c (insn_name_ptr): Remove declaration.
6529 (get_insn_name): Declare.
6530 (print_rtx): Use it.
6531 * genoutput.c (insn_name_ptr): Remove.
6532 (next_operand_number): New.
6533 (struct operand_data): New.
6534 (null_operand, odata, odata_end): New.
6535 (struct data): Use struct operand_data.
6536 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
6537 (get_insn_name): Renamed from name_for_index.
6538 (output_prologue): Define NO_MD_PROTOTYPES.
6539 (output_predicate_decls): Break out from output_epilogue.
6540 Iterate over the operands list.
6541 (output_operand_data): Break out from output_epilogue. Emit
6542 just the operands list.
6543 (output_insn_data): Break out from output_epilogue. Emit just
6545 (output_epilogue): Remove.
6546 (output_get_insn_name): New.
6547 (constraints, op_n_alternatives, predicates, address_p): Die.
6548 (modes, strict_low, seen): Die.
6549 (scan_operands): Take new param `d' instead of writing to
6550 seven global variables.
6551 (compare_operands): New.
6552 (place_operands): New.
6553 (validate_insn_alternatives): Update for struct data change.
6554 (gen_insn): Don't zero or copy 7 global arrays. Update for
6555 scan_operands; call place_operands.
6556 (gen_peephole, gen_expand, gen_split): Likewise.
6557 (main): Update for new output routines.
6559 * genattr.c (insn_name_ptr): Remove.
6560 (get_insn_name): New function.
6561 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
6562 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
6563 * genrecog.c: Likewise.
6565 * alpha.md (adddi3): Make `pattern' array static.
6567 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6569 * config/c4x/c4x.h (c4x_rpts_cycles_string,
6570 c4x_cpu_version_string): Constify char *.
6571 * config/c4x/c4x.c (c4x_rpts_cycles_string,
6572 c4x_cpu_version_string): Likewise.
6574 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
6576 * tree.c (save_tree_status): Revert 10 Sep change.
6577 (restore_tree_status): Likewise. Call obstack_free with NULL
6578 before freeing the obstack proper.
6580 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
6582 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
6584 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
6585 surrounding context.
6587 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
6589 * tree.c (type_hash_canon): Put all types in the hash-table, when
6592 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
6594 * recog.h (struct recog_data, recog_data): New.
6595 (recog_foo variables): Kill.
6596 * recog.c (recog_operand, recog_operand_loc): Kill.
6597 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
6598 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
6599 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
6600 (recog_data): Define.
6601 (extract_insn): Update all recog_foo references to use recog_data.
6602 (preprocess_constraints, constrain_operands): Likewise.
6603 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
6604 * genattrtab.c (main): Likewise.
6605 * genextract.c (main): Likewise.
6606 * genoutput.c: Likewise.
6607 * genrecog.c (write_subroutine, main): Likewise.
6608 * local-alloc.c (block_alloc): Likewise.
6609 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
6610 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
6611 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
6612 * reload.c (find_reloads, find_reloads_toplev): Likewise.
6613 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
6614 (reload_cse_simplify_operands): Likewise.
6616 * arc/arc.c (arc_final_prescan_insn): Likewise.
6617 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
6618 * h8300/h8300.c (notice_update_cc): Likewise.
6619 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
6620 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
6621 * mn10200/mn10200.c (notice_update_cc): Likewise.
6622 * mn10300/mn10300.c (notice_update_cc): Likewise.
6623 * romp/romp.c (update_cc): Likewise.
6624 * sparc/sparc.c (check_pic): Likewise.
6625 * v850/v850.c (notice_update_cc): Likewise.
6627 * genemit.c (main): Don't declare recog_operand.
6629 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
6631 * ggc.h (rtvec_def): Forward declare.
6632 (tree_node): Likewise.
6635 (ggc_set_mark_rtx): Add prototype.
6636 (ggc_set_mark_rtvec): Likewise.
6637 (ggc_set_mark_tree): Likewise.
6638 * ggc-simple.c (ggc_root): Don't define.
6639 (roots): Don't declare.
6640 (ggc_mark_rtx): Remove.
6641 (ggc_mark_rtvec): Likewise.
6642 (ggc_mark_tree): Likewise.
6643 (ggc_mark_varray): Likewise.
6644 (ggc_mark_tree_hash_table_entry): Likewise.
6645 (ggc_mark_tree_hash_table): Likewise.
6646 (ggc_set_mart_rtx): New function.
6647 (ggc_set_mark_rtvec): Likewise.
6648 (ggc_set_mark_tree): Likewise.
6649 (ggc_add_root): Remove.
6650 (ggc_add_rtx_root): Likewise.
6651 (ggc_remove_tree_root): Likewise.
6652 (ggc_add_string_root): Likewise.
6653 (ggc_add_tree_varray_root): Likewise.
6654 (ggc_add_tree_hash_table_root): Likewise.
6655 (ggc_del_root): Likewise.
6656 (ggc_mark_rtx_ptr): Likewise.
6657 (ggc_mark_tree_ptr): Likewise.
6658 (ggc_mark_string_ptr): Likewise.
6659 (ggc_mark_tree_varray_ptr): Likewise.
6660 (ggc_mark_tree_hash_table_ptr): Likewise.
6661 * ggc-common.c: New file.
6662 * Makefile.in (OBJS): Add ggc-common.o.
6663 (ggc-common.o): List dependencies.
6665 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
6667 * cppalloc.c (xstrdup): Use memcpy.
6668 * cpperror.c (cpp_print_containing_files): Don't use
6670 * cpplib.c (conditional_skip): Set temp->lineno.
6671 (do_endif): Make error message less obscure.
6672 (if_directive_name): New function.
6673 (cpp_get_token [case EOF]): Unwind the if stack and generate
6674 error messages for each unterminated conditional in this file.
6675 (parse_string): Do not behave differently if -traditional.
6677 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
6679 * builtins.c (expand_builtin_va_arg): Cope with an array-type
6680 va_list decomposing to pointer-type.
6681 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
6682 (rs6000_va_arg): Likewise.
6684 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
6686 * except.c (start_dynamic_handler): Compute size using
6687 STACK_SAVEAREA_MODE.
6689 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6691 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
6692 include directory headers. Don't define strrchr. Don't provide
6693 my_* replacement functions. Prefer PTR over `pointer_type'.
6694 Don't prototype system functions. Don't redefine getopt.
6696 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
6697 safe_read, safe_write, save_pointers, restore_pointers,
6698 is_id_char, in_system_include_dir, directory_specified_p,
6699 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
6700 find_corresponding_lparen, referenced_file_is_newer,
6701 save_def_or_dec, munge_compile_params, gen_aux_info_file,
6702 process_aux_info_file, identify_lineno, check_source,
6703 seek_to_line, forward_to_next_token_char, output_bytes,
6704 output_string, output_up_to, other_variable_style_function,
6705 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
6706 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
6707 find_static_definition, connect_defs_and_decs, add_local_decl,
6708 add_global_decls, needs_to_be_converted, visit_each_hash_node,
6709 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
6710 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
6711 scan_for_missed_items, edit_file, string_list_cons): Add static
6713 (standard_exec_prefix, target_machine, target_version,
6714 default_syscalls_dir, string_list, string_list_cons, find_file,
6715 do_cleaning): Constify a char*.
6716 (safe_read, safe_write): Use PTR, not a char*.
6717 (is_id_char): Take an int, not a char.
6718 (main): Add prototype. Call return, not exit.
6720 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
6722 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
6723 when comparing types.
6725 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
6727 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
6728 (strength_reduce): Release the varrays from the no-bivs early exit.
6730 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
6731 the loop over the registers.
6733 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
6735 (restore_tree_status): Check that instead when freeing the obstack.
6737 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
6739 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
6742 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6744 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
6745 operand size modifiers.
6747 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6749 * c-common.c (c_common_nodes_and_builtins): Don't build
6751 * c-common.h (enum c_tree_index and related accesor macros): Remove
6752 everything now declared in tree.h.
6753 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6754 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
6755 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
6756 (error_mark_node, void_type_node, char_type_node, integer_type_node,
6757 unsigned_type_node, ptr_type_node, va_list_type_node,
6758 integer_zero_node, null_pointer_node, integer_one_node): Delete.
6759 (init_decl_processing): Call build_common_tree_nodes and
6760 build_common_tree_nodes_2 instead of building their nodes here.
6761 Don't add roots for these nodes.
6762 * stor-layout.c (size_zero_node, size_one_node): Delete.
6763 (set_sizetype): Make a new node for bitsizetype each time.
6764 * tree.c (global_trees): New variable.
6765 (init_obstacks): Add a gc root for it.
6766 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6767 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
6768 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
6769 (build_common_tree_nodes): New function.
6770 (fix_sizetype): New function.
6771 (build_common_tree_nodes_2): New function.
6772 * tree.h (enum tree_index): New.
6773 (global_trees): Declare.
6774 Add accessor macros for all nodes now moved to global_trees.
6775 Delete their declarations.
6777 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
6779 * c-decl.c (finish_function): When processing a nested function,
6780 push and pop GC context around rest_of_compilation.
6782 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
6784 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
6785 Default ix86_arch to PROCESSOR_I386.
6786 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
6787 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
6788 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
6789 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
6790 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
6791 (EXTRA_SPECS): Remove deleted specs.
6793 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
6795 * function.c (assign_stack_local_1): Allocate from
6796 function->x_frame_offset, not frame_offset.
6798 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
6800 * ggc.h (lang_cleanup_tree): Remove.
6801 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
6802 * ggc-callbacks.c (lang_cleanup_tree): Remove.
6804 * c-decl.c (finish_struct): Use ggc_alloc to allocate
6805 TYPE_LANG_SPECIFIC when garbage collecting.
6806 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
6807 (lang_cleanup_tree): Remove.
6809 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
6811 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
6812 * crtstuff.c: Not here.
6813 * dwarf2out.c: Or here.
6814 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
6817 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
6819 * function.h (free_after_compilation): Remove decl parameter.
6820 (free_varasm_status0: Likewise.
6821 (free_emit_status): Likewise.
6822 (free_stmt_status): Likewise.
6823 (free_after_compilation): Likewise.
6824 (init_lang_status): New variable.
6825 (free_lang_status): Likewise.
6826 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
6827 * function.c (init_lang_status): New variable.
6828 (free_lang_status): Likewise.
6829 (push_function_context_to): Don't set function::decl here.
6830 (free_after_copmilation): Make decl parameter implicit. Call
6831 free_lang_status if defined.
6832 (prepare_function_start): Call init_lang_status if defined.
6833 (init_function_start): Set function::decl here.
6834 * profile.c (output_func_start_profiler): Don't call pushdecl
6835 until we've actually started the function.
6836 * stmt.c (free_stmt_status): Make decl parameter implicit.
6837 * toplev.c (rest_of_compilation): Don't pass decl to
6838 free_after_compilation.
6839 * varasm.c (free_varasm_status): Likewise.
6841 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6843 * except.c (call_get_eh_context): Add root when allocating static
6846 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
6848 * arm.c: Include "ggc.h".
6849 (arm_add_gc_roots): New function.
6850 (arm_override_options): Call it.
6851 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
6853 * arm.md (define_asm_attributes): Add a pool_range attribute.
6855 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
6857 * extend.texi (Volatiles): New node.
6859 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
6861 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
6862 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
6863 (struct ggc_any): Replace `mark' with `magic_mark'.
6864 (ggc_alloc_string): Use memcpy, not bcopy.
6865 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
6866 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
6867 (ggc_free_any): New.
6868 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
6869 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
6870 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
6871 Use IS_MARKED. Use ggc_free_any.
6873 1999-09-09 Scott Bambrough <scottb@netwinder.org>
6875 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
6877 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
6879 * toplev.c (main): Always init_ggc.
6881 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
6883 * except.c (find_all_handler_type_matches): Free the list if
6884 we found no matches.
6886 * combine.c (SUBST): Break out to a real function do_SUBST.
6887 (SUBST_INT): Likewise.
6888 * gcse.c (free_pre_mem): Free `temp_bitmap'.
6889 (pre_insert): Free `inserted'.
6890 * loop.c (basic_induction_var): Always set `location'.
6892 * function.c (expand_function_end): Add initial_trampoline as a root.
6893 * rtl.h (init_varasm_once): Declare.
6894 * toplev.c (compile_file): Call it.
6895 * ggc-simple.c (ggc_mark_string_ptr): New.
6896 (ggc_add_string_root): New.
6897 (ggc_collect): Disable collection avoidance temporarily.
6898 * ggc.h (ggc_add_string_root): Declare.
6899 * except.c (create_rethrow_ref): Use ggc_alloc_string.
6900 * optabs.c (init_libfuncs): Likewise.
6901 * varasm.c (named_section): Use ggc_alloc_string.
6902 (make_function_rtl): Likewise.
6903 (make_decl_rtl): Likewise.
6904 (assemble_static_space): Likewise.
6905 (assemble_trampoline_template): Likewise.
6906 (output_constant_def): Likewise.
6907 (force_const_mem): Likewise.
6908 (mark_const_hash_entry): New.
6909 (mark_pool_sym_hash_table): New.
6910 (mark_varasm_state): Use it.
6911 (init_varasm_once): New.
6913 * expr.h (init_one_libfunc): Declare.
6914 * optabs.c (init_one_libfunc): New.
6915 (init_optabs): Use it.
6916 * config/gofast.h: Likewise.
6917 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
6918 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
6920 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
6922 * Makefile.in (cppexp.o): Depend on cpphash.h.
6923 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
6925 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
6926 * cpplib.c (do_define): Generalise to handle poisoned definitions,
6927 redefining poisoned identifiers, etc.
6928 (do_undef): Don't allow poisoned identifiers to be undefined.
6929 (do_pragma): Add #pragma poison.
6930 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6932 * cccp.c: Add T_POISON node type.
6933 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
6935 (do_define): Generalise to handle poisoned definitions,
6936 redefining poisoned identifiers, etc.
6937 (do_undef): Don't allow poisoned identifiers to be undefined.
6938 (do_pragma): Add #pragma poison.
6939 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6941 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
6942 * c-pragma.h: Add ps_poison state. We now always have generic
6945 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
6947 * ggc.h (ggc_alloc): New function.
6948 (ggc_mark): Likewise.
6949 * ggc-simple.c (ggc_any): New structure.
6950 (ggc_status): Add anys.
6951 (n_anys_collected): New variable.
6952 (ggc_alloc): Define.
6953 (ggc_mark): Likewise.
6954 (ggc_collect): Collect the anys.
6956 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6958 * c-decl.c (mark_binding_level): Make static to match prototype.
6960 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
6962 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
6964 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
6966 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
6967 will use into account. Expand the max width to 5.
6970 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
6972 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
6975 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
6977 * alpha.md (call value patterns): Remove the result predicates.
6979 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
6981 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
6984 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6986 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
6987 changed from extern char *, to extern PTR. Also fix typo in
6988 NEED_DECLARATION_REALLOC test.
6990 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
6992 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6994 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
6995 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
6996 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
6997 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
6999 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
7001 * cccp.c (pcfinclude): Likewise.
7003 * global.c (allocno_compare): Likewise.
7005 * haifa-sched.c (rank_for_schedule): Likewise.
7007 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
7009 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
7011 * stupid.c (stupid_reg_compare): Likewise.
7013 * tree.c (_obstack_allocated_p): Likewise.
7015 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
7017 1999-09-08 Bruce Korb autogen@linuxbox.com
7019 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
7020 why "gperf -F" fails.
7021 * gcc/cp/Makefile.in: ditto
7022 * gcc/Makefile.in: ditto
7023 * gcc/java/Makefile.in: ditto
7025 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
7027 * lists.c: Include ggc.h.
7029 (init_EXPR_INSN_LIST_cache): Install it.
7031 * ggc-simple.c (init_ggc): Absorb the old init.
7032 (ggc_push_context): Use xcalloc.
7033 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
7034 (ggc_collect): Add [rvts] tags to the collection stats.
7036 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
7038 * cccp.c (main): Fix handling of -include and -imacros options.
7040 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
7042 * cpplib.c (cpp_push_buffer): Fix order of arguments.
7044 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
7046 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
7049 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
7051 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
7052 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
7053 and SET_DEST. Update comment.
7055 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7057 * config/c4x/c4x.c: Include ggc.h.
7058 (c4x_add_gc_roots): New function.
7059 (c4x_override_options): Call c4x_add_gc_roots.
7061 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
7063 * defaults.h (TARGET_ESC): Move ...
7064 * system.h: ... here, where Linas had it in the first place. Silly me.
7066 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
7068 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
7069 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
7070 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
7071 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
7072 * defaults.h (TARGET_ESC): Add default.
7074 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
7076 * configure.in: add i370-*-openedition, i370-*-mvs and
7077 i370-*-linux targets
7079 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
7081 * dsp16xxx.c: Include ggc.h
7082 (override_options): Mark GC roots.
7083 * mn10200.c: Include ggc.h.
7084 (asm_file_start): Mark GC roots.
7085 * tahoe.c: Include ggc.h.
7086 (extensible_operand): Mark GC roots.
7088 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
7090 * README: Add section discussing status of ELF ABI.
7091 * i370.c: Fix misc spelling mistakes.
7092 (i370_label_scan): Updated notes, exception handling.
7093 (i370_function_prolog): Simplify ELF stack handling.
7094 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
7095 (STACK_GROWS_DOWNWARD): ELF stack grows down.
7096 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
7097 * i370.md: (movdi): Add notes.
7098 (floatsidf2): Use stack not rtca for scratch float area.
7099 (iorsi3): Correct operand constraints.
7100 * x-oe: Restore TAROUTOPTS which are used by pax.
7102 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
7104 * rs6000.c: Include ggc.h.
7105 (rs6000_add_gc_roots): New function.
7106 (override_options): Call it.
7108 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
7110 * alpha.h (alpha_compare): New.
7111 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
7112 * alpha.c: Likewise for the definitions.
7113 (alpha_emit_conditional_branch): Update for alpha_compare.
7114 (alpha_emit_conditional_move): Likewise.
7115 * alpha.md (cmpdf, cmpdi): Likewise.
7116 (setcc patterns): Likewise. Zero alpha_compare after use.
7117 (sne): Optimize (x != 0) into (0U < x).
7119 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
7121 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
7122 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
7123 (INIT_EXPANDERS): Remove.
7124 * alpha.c: Include ggc.h.
7125 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
7126 (alpha_init_machine_status, alpha_mark_machine_status): New.
7127 (override_options): Install them.
7128 (struct machine_function): Moved to alpha.h.
7129 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
7130 (alpha_init_expanders): Remove.
7131 (alpha_return_addr): Adjust to use current_function->machine.
7132 (alpha_ra_ever_killed): Likewise.
7133 (alpha_expand_epilogue): Likewise.
7134 * alpha.md (eh_epilogue): Likewise.
7136 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
7137 Melissa O'Neill <oneill@cs.sfu.ca>
7138 Geoffrey Keating <geoffk@cygnus.com>
7140 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
7141 call-used registers (call-saved registers must still be contiguous
7142 and end with r31, of course).
7144 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
7146 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
7147 (self_promoting_type_p): Delete.
7148 (self_promoting_args_p): Move ...
7149 * c-common.c: ... here.
7150 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
7151 (simple_type_promotes_to): New.
7152 * builtins.c (lang_type_promotes_to): New.
7153 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
7154 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
7155 * c-common.h: ... here.
7156 (self_promoting_args_p, simple_type_promotes_to): Declare.
7157 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
7158 (grokdeclarator): Likewise.
7159 * tree.h (lang_type_promotes_to): Declare.
7161 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
7163 Add some machine-dependent GC roots.
7164 * sparc.c: Include ggc.h.
7165 (sparc_add_gc_roots): New function.
7166 (mark_ultrasparc_pipeline_state): Likewise.
7167 (override_options): Call sparc_add_gc_roots.
7168 * pa.c: Include ggc.h.
7169 (pa_add_gc_roots): New function.
7170 (mark_deferred_plabels): Likewise.
7171 (override_options): Call pa_add_gc_roots.
7172 * mips.c: Include ggc.h.
7173 (mips_add_gc_roots): New function.
7174 (override_options): Use it.
7176 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7178 * cpperror.c (cpp_file_line_for_message): Constify a char*.
7180 * cppexp.c (parse_number, parse_charconst, cpp_lex,
7181 cpp_parse_expr): Add static prototypes.
7182 (parse_charconst): Don't cast away const-ness.
7183 (token): Constify a char*.
7185 * cppfiles.c (file_name_list, include_hash, find_include_file,
7186 finclude, initialize_input_buffer): Constify a char*.
7187 (file_cleanup, find_position): Add static prototypes.
7189 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
7190 collect_expansion): Add static prototypes.
7191 (cpp_install, create_definition, monthnames): Constify a char*.
7193 * cpphash.h (cpp_install): Likewise.
7195 * cppinit.c (known_suffixes, default_include,
7196 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
7197 (base_name, dump_special_to_buffer, initialize_dependency_output):
7198 Add static prototypes.
7200 * cpplib.c (my_strerror): Constify a char*.
7201 (null_underflow, null_cleanup, skip_comment, copy_comment,
7202 copy_rest_of_line, handle_directive, pass_thru_directive,
7203 get_directive_token, read_line_number, cpp_print_file_and_line,
7204 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
7205 v_cpp_warning_with_line, detect_if_not_defined,
7206 consider_directive_while_skipping): Add static prototypes.
7207 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
7208 cpp_pedwarn_with_file_and_line): Constify a char*.
7210 * cpplib.h (cpp_options, include_hash, progname, definition,
7211 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
7212 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
7213 find_include_file, deps_output, include_hash): Constify a char*.
7215 * cppmain.c (progname): Constify.
7216 (main): Add prototype. Use return, not exit.
7218 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
7219 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
7220 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
7221 check_protection): Add static prototype.
7223 (progname, recognized_macrom, recognized_extern): Constify a char*.
7224 (main): Add prototype.
7226 * gen-protos.c (progname): Constify a char*.
7228 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
7230 * emit-rtl.c (free_emit_status): Take decl as a parameter.
7231 (init_emit_once): Add more GC roots.
7232 * except.c (mark_func_eh_entry): New function.
7233 (mark_eh_node): Mark false_label and rethrow_label.
7234 (init_eh): Add more GC roots.
7235 * function.c (free_after_compilation): Take decl as a paramter.
7236 Call free_stmt_status.
7237 (mark_function_state): Don't assume x_parm_reg_stack_loc is
7239 * function.h (free_after_compilation): Change prototype.
7240 (free_varasm_status): Likewise.
7241 (free_emit_status): Likewise.
7242 (free_stmt_status): New function.
7243 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
7244 Remove, replacing with ...
7245 (ggc_status): New structure.
7246 (ggc_chain): New variable.
7248 (ggc_push_context): New function.
7249 (ggc_pop_context): Likewise.
7250 (ggc_alloc_rtx): Adjust for use of ggc_chain.
7251 (ggc_alloc_rtvec): Likewise.
7252 (ggc_alloc_tree): Likewise.
7253 (ggc_alloc_string): Likewise.
7254 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
7255 (ggc_mark_tree): Give language-dependent code a chance to mark
7257 (ggc_mark_tree_varray): Handle empty arrays.
7258 (ggc_collect): Adjust for use of ggc_chain. Clear
7259 bytes_alloced_since_last_gc.
7260 * ggc.h (ggc_pop_context): New function.
7261 (ggc_push_context): Likewise.
7262 * print-tree.c (print_node): Don't print obstacks when GC'ing.
7263 * stmt.c (free_stmt_status): New function.
7264 (init_stmt_for_function): Clear last_expr_value.
7265 * toplev.c (rest_of_compilation): Always call free_after_compilation.
7266 Conditionalize call to ggc_collect.
7267 (main): Call init_ggc.
7268 * tree.c (push_obstacks): Do the push, even when GC'ing.
7269 (push_obstacks_nochange): Likewise.
7270 (pop_obstacks): Liekwise.
7271 * varasm.c (free_varasm_status): Take decl as a parameter.
7273 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
7275 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
7276 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
7277 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
7278 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
7280 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
7282 * pa/x-pa-mpeix: New file for the MPE port.
7284 * pa/quadlib.asm: New file for long double support.
7286 * configure.in: Add hppa1.0-*-mpeix for MPE port.
7287 * configure: Rebuilt.
7289 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
7291 * final.c (shorten_branches): Fix last change.
7293 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
7295 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
7297 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
7299 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
7302 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7304 * c-aux-info.c (concat): Don't define.
7306 * cccp.c (my_strerror): Likewise. All callers changed to use
7308 (do_include): Call xstrdup, not xmalloc/strcpy.
7309 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
7310 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
7312 * collect2.c (my_strsignal): Likewise. All callers changed to use
7314 (locatelib): Call xstrdup, not xmalloc/strcpy.
7316 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
7318 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
7320 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
7322 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
7324 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
7326 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
7328 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
7330 (find_all_handler_type_matches): Likewise. Don't check return
7332 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
7333 xmalloc, not malloc.
7334 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
7336 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
7337 (init_spec): Call xcalloc, not xmalloc/bzero.
7338 (set_spec): Call xstrdup, not save_string.
7339 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
7340 (find_a_file): Call xstrdup, not xmalloc/strcpy.
7341 (process_command): Call xstrdup, not save_string.
7342 (main): Call xcalloc, not xmalloc/bzero.
7344 * gcov.c (xmalloc): Don't define.
7345 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
7346 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
7347 (output_data): Call xcalloc, not xmalloc/bzero.
7349 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
7351 * mips-tdump.c (xmalloc): Don't define.
7352 (print_symbol): Call xmalloc, not malloc.
7353 (read_tfile): Call xcalloc, not calloc.
7355 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
7356 Don't define. All callers of xfree/my_strsignal changed to use
7357 free/strsignal instead.
7358 (allocate_cluster): Call xcalloc, not calloc.
7360 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
7361 Fix memory leak, free allocated memory.
7363 * prefix.c (translate_name): Call xstrdup, not save_string.
7364 (update_path): Likewise.
7366 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
7368 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
7369 Don't define. Callers of xfree/savestring2 changed to use
7370 free/concat instead.
7372 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
7373 (init_elim_table): Likewise.
7375 * resource.c (init_resource_info): Likewise.
7377 * stupid.c (stupid_life_analysis): Likewise.
7379 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
7380 (open_dump_file): Call concat, not xmalloc/strcpy/...
7381 (clean_dump_file): Likewise.
7382 (compile_file): Call xstrdup, not xmalloc/strcpy.
7384 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
7386 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
7387 * v850.c (v850_va_arg): New.
7389 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7391 * haifa-sched.c: Tidy comments.
7393 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7395 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
7396 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
7397 $(out_object_file)): Depend on ggc.h.
7398 * c-common.c: Include "ggc.h".
7399 (combine_strings): If doing GC, use ggc_alloc_string.
7400 * c-decl.c: Include "ggc.h".
7401 (ggc_p): Define with value 0.
7402 (mark_binding_level): New function.
7403 (init_decl_processing): Add GC roots.
7404 (mark_c_function_context): New function.
7405 (lang_mark_false_label_stack): New function.
7406 (lang_mark_tree): New function.
7407 (lang_cleanup_tree): New function.
7408 * c-lang.c: Include "ggc.h".
7409 (lang_init): Call c_parse_init.
7410 * c-lex.c: Include "ggc.h".
7411 (check_linenum): If doing GC, don't copy filenames to permanent
7413 * c-parse.in: Include "ggc.h".
7414 (c_parse_init): New function.
7415 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
7416 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
7418 * except.c (mark_eh_state): Mark more state.
7419 * function.c (mark_function_state): Likewise.
7420 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
7421 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
7422 * toplev.c (mark_file_stack): New function.
7423 (compile_file): If doing GC, use ggc_alloc_string on input filename.
7424 (main): Add root for input_file_stack.
7426 * i386.c: Include "ggc.h".
7427 (ix86_mark_machine_status): New function.
7428 (override_options): Set mark_machine_status.
7430 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7432 * tree.c (copy_node): Copy node contents also if doing GC.
7434 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
7436 * collect2.c (scan_libraries): Fix double-thinko :-).
7438 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
7440 * collect2.c (scan_libraries): Fix thinko.
7442 * cse.c (delete_trivially_dead_insns): Do not skip the last
7443 insn if it is a real insn.
7445 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
7447 * Makefile.in (ggc-simple.o): Depend on hash.h.
7448 * ggc.h (ggc_add_tree_hash_table_root): Declare.
7449 (ggc_mark_tree_varray): Likewise.
7450 (ggc_mark_tree_hash_table): Likewise.
7451 * ggc-simple.c: Include hash.h.
7452 (ggc_mark_tree_hash_table_ptr): New function.
7453 (ggc_mark_tree_hash_table_entry): Likewise.
7454 (ggc_mark_tree_hash_table): Likewise.
7455 (ggc_add_tree_hash_table_root): Likewise.
7456 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
7457 rtx, when defining fields.
7459 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7461 * profile.c (output_func_start_profiler): Remove apparently
7462 nonsensical call to start_sequence.
7464 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
7466 * clipper/clipper.c (clipper_va_start): Fix typos.
7468 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
7469 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
7470 (spur_va_arg): New stub.
7472 * configure.in: Comment out pyramid.
7474 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
7476 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
7477 don't conflict with the bits that win32, cygwin, and dgux
7480 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
7481 Bernd Schmidt <bernds@cygnus.co.uk>
7483 * integrate.c (function_cannot_inline_p): Do not inline
7484 functions with forced labels.
7486 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
7487 Bernd Schmidt <bernds@cygnus.co.uk>
7488 Mark Mitchell <mark@codesourcery.com>
7490 * Makefile.in (ggc-simple.o): Depend on varray.h.
7491 (rtl.o): Depend on ggc.h.
7492 (genattrtab.o): Depend on ggc.h.
7493 (print-tree.o): Likewise.
7494 (fold-const.o): Likewise.
7495 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
7496 (make_insn_raw): Don't cache insns when GC'ing.
7497 (emit_insn_before): Likewise.
7498 (emit_insn_after): Likewise.
7499 (emit_insn): Likewise.
7500 (start_sequence): Use xmalloc to allocate the sequence_stack.
7501 (end_sequence): Add free to free it.
7502 (gen_sequence): Don't cache insns when GC'ing.
7503 (clear_emit_caches): Don't use sequence_element_free_list.
7504 (init_emit): Use xcalloc, not xmalloc+bzero.
7505 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
7506 * function.c (pop_function_context_from): Use free to free the
7507 fixup_var_refs_queue.
7508 (put_reg_into_stack): Allocate it with xmalloc.
7509 * genattrtab.c: Include ggc.h.
7510 (operate_exp): Don't use obstack_free when GC'ing.
7511 (simplify_cond): Likewise.
7512 (simplify_text_exp): Likewise.
7513 (optimize_attrs): Likewise.
7514 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
7516 (gencode): Generate a #include for ggc.h.
7517 * ggc-callbacks.c (ggc_p): Define it to zero.
7518 * ggc-none.c (ggc_p): Likewise.
7519 * ggc-simple.c: Include varray.h.
7520 (ggc_mark_tree_varray): New function.
7521 (ggc_add_tree_varray_root): Likewise.
7522 (ggc_mark_tree_varray_ptr): Likewise.
7523 * ggc.h (ggc_p): Declare.
7524 (varray_head_tag): Likewise.
7525 (ggc_add_tree_varray_root): Declare.
7526 * print-tree.c (print_node): Don't check for TREE_PERMANENT
7527 inconsistencies when GC'ing.
7528 * rtl.c: Include ggc.h.
7529 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
7530 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
7531 (rtx_free): Don't call obstack_free when GC'ing.
7532 * toplev.c (rest_of_compilation): Call ggc_collect after every
7534 * tree.c (push_obstacks): Do nothing, if GC'ing.
7535 (pop_obstacks_nochange): Likewise.
7536 (pop_obstacks): Likewise.
7537 (make_node): Use ggc_alloc_tree when GC'ing.
7538 (copy_node): Likewise.
7539 (get_identifier): Use ggc_alloc_string when GC'ing.
7540 (build_string): Likewise.
7541 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
7542 (tree_cons): Likewise.
7544 (type_hash_canon): Don't call obstack_free when GC'ing.
7546 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
7548 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
7549 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
7551 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
7552 Bernd Schmidt <bernds@cygnus.co.uk>
7553 Mark Mitchell <mark@codesourcery.com>
7555 * Makefile.in (stor-layout.o): Depend on ggc.h.
7556 (expr.o): Depend on ggc.h.
7557 (profile.o): Depend on ggc.h.
7558 (stor-layout.o): Depend on ggc.h.
7559 * emit-rtl.c (init_emit_once): Add gc roots.
7560 * expr.c: Include ggc.h.
7561 (emit_block_move): Add gc roots.
7562 (clear_storage): Likewise.
7563 * expr.h (init_stor_layout_once): New function.
7564 * profile.c: Include ggc.h.
7565 (init_arc_profiler): profiler_label is a root.
7566 * scan.c (make_sstring_space): Trust xrealloc to function
7567 correctly with first parameter NULL.
7568 * stor-layout.c: Include ggc.h.
7569 (set_sizetype): Add gc root.
7570 (init_stor_layout_once): New function.
7571 * toplev.c (compile_file): Call it.
7573 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
7574 Bernd Schmidt <bernds@cygnus.co.uk>
7575 Mark Mitchell <mark@codesourcery.com>
7577 * Makefile.in (tree.o): Depend on ggc.h.
7578 (varasm.o): Likewise.
7579 (function.o): Likewise.
7581 (except.o): Likewise.
7582 (optabs.o): Likewise.
7583 (emit-rtl.o): Likewise.
7584 * emit-rtl.c: Include ggc.h.
7585 (sequence_element_free_list): Remove, and all references.
7586 (mark_sequence): New functions.
7587 (mark_emit_state): New function.
7588 * except.c: Include ggc.h.
7589 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
7590 (mark_tree_label_node): New functions.
7591 (mark_eh_state): New function.
7592 * function.c: Include ggc.h.
7593 (mark_temp_slot, mark_function_chain): New functions.
7594 (mark_function_state): New function.
7595 (init_function_once): New function.
7596 * function.h (init_function_once): New function.
7597 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
7598 * ggc.h (label_node): Declare.
7599 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
7600 (lang_mark_false_label_stack): New function.
7601 (mark_temp_slot): Remove declaration.
7602 (mark_function_chain): Likewise.
7603 (mark_eh_state): Adjust prototype.
7604 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
7606 * optabs.c: Include ggc.h.
7607 (mark_optab): New function.
7608 (init_optabs): Add gc roots.
7609 * stmt.c: Include ggc.h.
7610 (mark_cond_nesting, mark_loop_nesting): New functions.
7611 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
7612 (mark_stmt_state): New function.
7613 * toplev.c (compile_file): Call init_function_once.
7614 * tree.c: Include ggc.h.
7615 (type_hash): Move declaration earlier in file.
7616 (TYPE_HASH_SIZE, type_hash_table): Likewise.
7617 (init_obstacks): Add gc roots.
7618 (mark_type_hash): New function.
7619 * varasm.c: Include ggc.h.
7620 (mark_pool_constant): New function.
7621 (mark_varasm_state): New function.
7623 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7625 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
7627 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7629 * c-decl.c (struct language_function): Renamed from struct c_function.
7631 (c_function_chain): Delete.
7632 (push_c_function_context): New arg F. Don't warn about nested
7633 functions here. Fill LANGUAGE elt of F. Delete code to update
7634 c_function_chain. Don't call push_function_context.
7635 (pop_c_function_context): New arg F. Restore from there instead of
7636 from c_function_chain. Don't call pop_function_context. Clear out
7637 LANGUAGE field of F when done.
7638 * c-lang.c: Include "function.h"
7639 (lang_init): Initialize save_lang_status and restore_lang_status.
7640 * c-parse.in (nested_function, nested_function_notype): Warn about
7641 nested functions. Call push_function_context/pop_function_context
7642 instead of the _c_ variants.
7643 * c-tree.h (push_c_function_context, pop_c_function_context): Update
7645 * Makefile.in (c-lang.o): Update dependencies.
7647 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
7648 regno_pointer_flag, regno_pointer_align.
7649 (gen_reg_rtx): Use xrealloc to enlarge them.
7650 (free_emit_status): New function.
7651 * function.c (mark_machine_status, mark_lang_status): New variables.
7652 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
7653 in some bits from assign_stack_local. All callers changed to use new
7655 (assign_stack_local): Just call assign_stack_local_1.
7656 (free_after_compilation): New function.
7657 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
7658 (trampoline_address): Likewise.
7659 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
7660 (prepare_function_start): Explicitly clear some more variables.
7661 * function.h (struct function): New elt can_garbage_collect.
7662 (mark_machine_status, mark_lang_status): Declare variables.
7663 (free_after_compilation, free_emit_status, free_varasm_status,
7664 init_varasm_status): Declare functions.
7665 * toplev.c (rest_of_compilation): Call free_after_compilation when
7666 done with the current function.
7667 * varasm.c (free_varasm_status): New function.
7669 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
7671 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
7672 (EXPAND_BUILTIN_VA_ARG): Define.
7673 * sparc.c (sparc_va_start): New.
7674 (sparc_va_arg): New.
7676 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7678 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
7680 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7682 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
7684 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
7686 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
7688 (ggc-callbacks.o): New target.
7689 * ggc-callbacks.c: New file.
7691 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7693 * expr.h: Collapse individual optab and libfunc vars to arrays.
7694 (optab_index, libfunc_index): New enumerations.
7695 (optab_table, libfunc_table): New arrays.
7696 Add accessor macros for both.
7698 * optabs.c (optab_table, libfunc_table): New.
7699 Delete declarations for individual optab and libfunc vars.
7701 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
7703 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
7705 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
7707 * Makefile.in (GGC, GGC_LIB): New.
7708 (HOST_RTL): Include ggc-none.o.
7709 (ggc-simple.o): New target.
7710 (ggc-none.o): Likewise.
7711 * tree.h (tree_common): Add gc_mark.
7712 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
7713 (struct rtvec_def): Add gc_mark.
7714 * emit-rtl.c (global_rtl): Update static initializers to contain
7715 enough initializers.
7716 * ggc.h, ggc-none.c, ggc-simple.c: New files.
7717 * toplev.c (gc_time): New variable.
7718 (all_time): New variable.
7719 (compile_file): Print gc time.
7720 (print_time): Calculate percentage of the whole.
7722 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7724 Change obstack memory management and varasm constant pool handling so
7725 that nested functions are treated like any other functions.
7726 * function.c (init_machine_status): New variable.
7727 (push_function_context_to): Set contains_functions for the outer
7728 function. Don't call save_varasm_status.
7729 (pop_function_context_from): Don't call restore_varasm_status. Don't
7730 set current_function_contains_functions.
7731 (prepare_function_start): Call init_varasm_status rather than
7732 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
7734 * function.h (struct function) Add field varasm. Delete fields
7735 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
7736 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
7737 (init_machine_status): Declare.
7738 (save_varasm_status, restore_varasm_status): Delete declarations.
7739 (save_tree_status, restore_tree_status): Delete last argument.
7740 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
7741 code. All callers changed.
7742 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
7743 save_constants_in_decl_trees, restore_constants, save_constants,
7744 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
7746 (inlining): New variable.
7747 (reg_map, label_map, insn_map, orig_asm_operands_vector,
7748 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
7750 (save_for_inline_nocopy): Don't save constants.
7751 Don't set inl_emit field in current_function.
7752 (expand_inline_function): Use emit field, not inl_emit, of the inlined
7753 function. Set new variable inlining before
7754 calling copy_rtx_and_substitute.
7755 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
7756 constant pool references if inlining is nonzero.
7757 Delete ADDRESS and (most of the) CONST cases.
7758 (output_inline_function): Save and restore current_function/
7759 current_function_decl. Delete restore_constants code. Don't call
7760 init_const_rtx_hash_table.
7761 * output.h (init_const_rtx_hash_table): Don't declare.
7762 * rtl.h (struct function): Declare.
7763 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
7764 * toplev.c (rest_of_compilation): Don't treat nested functions or
7765 functions containing them specially. Delete all code to deal with
7766 save_for_inline_copying.
7767 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
7768 inline_obstacks): Delete variables.
7769 (save_tree_status): Lose arg CONTEXT. All callers changed.
7770 Simply allocate a new function_maybepermanent_obstack for the new
7771 function, delete all the special cases.
7772 Don't save inline_obstacks.
7773 (restore_tree_status): Lose arg CONTEXT. All callers changed.
7774 Delete special handling for function_maybepermanent_obstack; simply
7776 Don't restore inline_obstacks.
7777 (permanent_allocation): Delete code that frees inline_obstacks.
7778 (print_inline_obstack_statistics): Delete function.
7779 (dump_tree_statistics): Don't call it.
7780 * varasm.c (struct varasm_status): New.
7781 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
7782 last_pool, pool_offset, const_double_chain): Delete global
7783 variables, replace with accessor macros.
7784 (immed_double_const): Don't walk const_double_chain outside a
7785 function, but don't treat nested functions specially anymore.
7786 (immed_real_const_1): Likewise.
7787 (clear_const_double_mem): Don't treat nested functions specially.
7788 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
7789 (save_varasm_status, restore_varasm_status): Delete functions.
7790 (init_varasm_status): New function.
7791 (force_const_mem): Don't treat nested functions specially.
7792 (find_pool_constant): Accept new arg F, search for constants in
7793 that function's pool rather than the current one. All callers
7795 (get_pool_constant_for_function, get_pool_mode_for_function): New
7798 * i386.c (init_386_machine_status): New function, mostly from
7799 clear_386_stack_locals.
7800 (struct machine_functions): Rename element names to avoid name
7802 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
7803 macros, replacing global variables.
7804 (clear_386_stack_locals, save_386_machine_status,
7805 restore_386_machine_status): Delete functions.
7806 (override_options): Initialize init_machine_status.
7807 * i386.h (INIT_EXPANDERS): Delete macro.
7808 (save_386_machine_status, restore_386_machine_status,
7809 clear_386_stack_locals): Delete declarations.
7811 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7813 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
7814 (doloop_begin): Simplify pattern and use emit_jump_insn.
7815 (doloop_end): Simplify pattern, switch operand order,
7816 and use emit_jump_insn.
7818 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7820 * function.h (struct function): Add new element LANGUAGE.
7821 (save_lang_status): Declare new variable.
7822 (restore_lang_status): Likewise.
7823 * function.c (save_lang_status): Define.
7824 (restore_lang_status): Likewise.
7825 (push_function_context_to): Call language-specific save function.
7826 (pop_function_context_from): Call language-specific restore function.
7828 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
7830 * i386.md (movsf_1): Check REG_P before use of REGNO.
7831 (movdf_1): Likewise.
7832 (movxf_1): Likewise.
7833 (extendsfdf2): Likewise.
7834 (extendsfxf2): Likewise.
7835 (extenddfxf2): Likewise.
7837 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7839 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
7840 constants into memory.
7841 (c4x_shiftable_constant): New function.
7842 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
7843 (c4x_shiftable_constant): Declare.
7844 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
7845 ashlqi3_noclobber): Add new patterns and associated splitters.
7847 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
7849 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
7850 * dwarf2out.c (dwarf2out_frame_init): Likewise.
7851 * final.c (shorten_branches): Likewise.
7852 * global.c (global_alloc): Likewise.
7853 * haifa-sched.c (build_control_flow): Likewise.
7854 * stmt.c (check_for_full_enumeration_handling): Likewise.
7855 (estimate_case_costs): Likewise.
7857 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
7859 * rtl.h (RTL_CHECKC2): Fix typo in last change.
7861 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
7863 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
7864 (recompute_reg_usage): Likewise.
7865 * rtlanal.c (find_regno_fusage): Likewise.
7867 * rtl.c (rtl_check_failed_code1): New function.
7868 (rtl_check_failed_code2): New.
7869 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
7870 (RTL_CHECKC1, RTL_CHECKC2): New.
7871 (XC*): New accessor macros.
7872 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
7873 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
7874 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
7875 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
7876 (TRAP_*, RANGE_INFO_*): Likewise.
7878 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7880 * Makefile.in (tlink.o): Don't depend on toplev.h.
7882 * collect2.c (c_file, o_file, export_file, import_file, ldout,
7883 output_file, nm_file_name, ldd_file_name, strip_file_name,
7884 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
7885 add_prefix, prefix_from_env, prefix_from_string, do_wait,
7886 fork_execute, maybe_unlink, add_to_list,
7887 extract_init_priority, write_list, dump_list,
7888 dump_prefix_list, write_list_with_asm, write_c_file,
7889 write_c_file_stat, write_c_file_glob, scan_prog_file,
7890 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
7891 ignore_library, extract_string, notice, dump_file, target_machine,
7892 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
7893 read_file, print_load_command): Constify a char*.
7894 (fdopen, error, fatal, fatal_perror): Don't prototype.
7895 (my_strerror): Remove. All callers use xstrerror instead.
7896 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
7897 (main): Add prototype. Constify lots of char* ptrs. Change calls
7898 to xcalloc/strcpy/strcat/... to one call to concat.
7899 (main, scan_prog_file, scan_libraries): Use an intermediate
7900 `const char **' to build an argv array.
7901 (mapfile, libselect, libcompare, locatelib): Add prototypes.
7903 * collect2.h (collect_execute, collect_wait, dump_file,
7904 file_exists): Constify a char*.
7905 (ldout, c_file_name, temporary_obstack, permanent_obstack,
7906 temporary_firstobj, vflag, debug): Add extern declarations.
7907 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
7909 * tlink.c: Don't include toplev.h.
7910 (vflag, debug, ldout, c_file_name, temporary_obstack,
7911 permanent_obstack, temporary_firstobj): Don't declare.
7912 (tlink_execute, frob_extension, symbol_hash_lookup,
7913 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
7914 recompile_files, read_repo_files, demangle_new_symbols,
7915 scan_linker_output): Constify a char*.
7916 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
7917 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
7919 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
7921 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
7922 (relative) rather than jsr (absolute) subroutine call insns.
7923 * config/m68k/m68k-coff.h: Ditto.
7925 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
7927 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
7928 now rework these too.
7929 (arm_reorg): If an insn can't reach the end of the current pool,
7930 ensure that we emit that pool before the insn.
7932 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
7934 * tlink.c (scan_linker_output): Skip the initial underscore in
7935 a mangled name if appropriate.
7937 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7939 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
7940 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
7941 error_with_ivar, gen_declarator, create_builtin_decl,
7942 my_build_string, generate_descriptor_table, generate_ivars_list,
7943 generate_dispatch_table, check_protocols, TAG_GETCLASS,
7944 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
7945 dump_base_name, lang_decode_option, build_encode_expr,
7946 start_class, finish_class, encode_pointer, really_start_method,
7947 gen_declaration, dump_interface, handle_class_ref, handle_impent):
7949 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
7950 Add static prototypes.
7951 (build_objc_string_decl, build_selector_reference_decl,
7952 encode_bitfield, build_class_reference_decl): Remove unused
7953 parameter, all callers changed.
7954 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
7955 (objc_printable_name): Likewise. Change second parameter to type int.
7956 (init_objc): Use memcpy, not bcopy, to avoid casts.
7958 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
7960 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
7961 reg notes on a deleted insn.
7962 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
7964 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
7966 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
7968 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7970 * stmt.c (expand_asm_operands): Fix index into inout_mode when
7973 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
7975 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
7976 * tm.texi (MD_ASM_CLOBBERS): Document it.
7978 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
7980 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
7981 * except.c (expand_rethrow): Remove unused variable.
7982 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
7983 * flow.c (replace_insns): Likewise.
7984 (create_edge_list, verify_edge_list): Likewise.
7985 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
7987 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
7988 is special code to run.
7989 (main): Don't define operands to emit_operand.
7990 * genrecog.c (main): Don't emit an empty peephole2_insn function.
7992 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
7994 * alpha/alpha.h (normal_memory_operand): Declare.
7995 (reg_no_subreg_operand): Declare.
7996 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
7998 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
8000 * c-parse.in (compstmt_primary_start): New, broken out of first
8001 part of compstmt handling in primary.
8002 (primary): Use it. Add an error clause.
8003 (compstmt_nostart): Renamed from compstmt; remove all
8004 initial invocations of compstmt_start.
8007 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
8009 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
8012 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
8014 * combine.c (simplify_shift_const): Remove extra semicolon.
8015 * dwarf2out.c (remove_AT): Likewise.
8016 * expmed.c (expand_mult): Likewise.
8017 * gcov.c (create_program_flow_graph): Likewise.
8018 * reorg.c (mostly_true_jump): Likewise.
8020 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
8022 * fold-const.c (fold_range_test): Do not try to fold the range
8023 test if the rhs or lhs has side effects.
8025 * combine.c (simplify_rtx): Recognize another case of a synthesized
8028 * varasm.c (mark_constant_pool): When marking indirect references,
8029 only look at SYMBOL_REFs.
8031 * except.c (expand_fixup_region_end): Do not peek at
8032 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
8034 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
8036 * flags.h: New variables align_loops, align_loops_log,
8037 align_jumps, align_jumps_log, align_labels, align_labels_log,
8038 align_functions, align_functions_log.
8039 * toplev.c: Define them.
8040 (f_options): Handle -falign-* when they have no argument.
8041 (main): Add logic to set variables for -falign-functions,
8042 -falign-jumps, -falign-labels, -falign-loops.
8043 Make it -fsched-verbose=<n> and -finline-limit=<n>.
8044 (display_help): Change help to match options.
8045 * final.c (LABEL_ALIGN): Default to align_labels_log.
8046 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
8047 (LOOP_ALIGN): Default to align_loops_log.
8048 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
8049 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
8050 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
8051 * varasm.c (assemble_start_function): Handle align_functions.
8053 * config/sparc/sparc.h: Don't declare sparc_align_*.
8054 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
8055 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
8057 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
8059 * config/sparc/sparc.c: Delete sparc_align_loops,
8060 sparc_align_jumps, sparc_align_funcs and the corresponding string
8062 (sparc_override_options): Default align_functions on ultrasparc.
8063 Delete -malign-* handling.
8065 * config/mips/mips.c (override_options): On 64-bit targets,
8066 try to align code to 64-bit boundaries.
8067 (print_operand): New substitution, %~,
8068 which aligns labels to align_labels_log.
8069 * config/mips/mips.md (div_trap_normal): Use %~.
8070 (div_trap_mips16): Likewise.
8075 (ashldi3_internal): Likewise.
8076 (ashrdi3_internal): Likewise.
8077 (lshrdi3_internal): Likewise.
8078 (casesi_internal): Likewise.
8080 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
8082 Merge new ia32 backend from the branch!
8084 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
8085 See ChangeLog.P2 on new_ia32_branch for details.
8087 * rtl.h (stack_regs_mentioned_p): Delete prototype.
8088 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
8089 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
8090 * i386/gas.h (ASM_FILE_START): Define.
8091 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
8092 for name change of ix86_valid_decl_attribute_p.
8093 (i386_pe_valid_type_attribute_p): Similarly.
8095 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
8097 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
8098 to step through CC modes.
8100 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8102 * regmove.c (fixup_match_1): Don't move INSN in front of P if
8103 it would end up in the shadow of a live flags regsiter.
8105 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8107 * reload1.c: Fix many indentation problems.
8108 * reload.c: Likewise.
8110 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
8112 * alias.c (non_local_reference_p): Constify fmt.
8114 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
8116 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
8118 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
8120 * cse.c (delete_trivially_dead_insns): Do not delete stores to
8121 the internal_arg_pointer.
8123 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
8125 Merge peephole2 from new_ia32_branch:
8126 * Makefile.in (STAGESTUFF): Add *.peephole2.
8127 (mostlyclean): Likewise.
8128 (recog.o): Depend on resource.h.
8130 * final.c (peephole): Conditionalize decl on HAVE_peephole.
8131 (final_scan_insn): Likewise for the invocation of peephole.
8132 * genconfig.c (main): Look for peephole and peephole2 patterns.
8133 Emit HAVE_peephole* accordingly.
8134 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
8135 * flags.h (flag_peephole2): Declare.
8136 * toplev.c: New pass peephole2. New flag -fpeephole2.
8138 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
8139 * gencodes.c (main): Likewise.
8140 * genextract.c (main): Likewise.
8141 * genoutput.c (main): Likewise.
8142 * genemit.c (max_operand_1): Look for the max scratch operand.
8143 (gen_rtx_scratch): New.
8144 (gen_exp): Use it, and pass on new arg subroutine_type.
8145 (gen_expand): Take max scratch into account.
8146 (gen_split): Emit peephole2 functions.
8147 (output_peephole2_scratch): New.
8148 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
8149 * genrecog.c (routine_type): Add PEEPHOLE2.
8151 (make_insn_sequence): Match outer parallel for peep2. Discard
8152 top level scratches and dups.
8153 (add_to_sequence): New args insn_type and top. Update all callers.
8154 Handle toplevel peep2 matching insns.
8155 (write_subroutine): Handle peep2.
8156 (write_tree_1): Likewise.
8157 (write_tree): Likewise.
8159 (change_state): New arg afterward. Update all callers.
8160 Handle matching separate insns.
8161 * recog.c (recog_next_insn): New.
8162 (peephole2_optimize): New.
8163 * rtl.def (DEFINE_PEEPHOLE2): New.
8164 * resource.c (find_free_register): New argument last_insn. Use it
8165 to find a register available through the entire span.
8166 * resource.h (find_free_register): Update prototype.
8168 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
8170 * i386.c (output_strlen_unroll): Don't write xops[7]
8171 label if it wasn't set.
8173 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
8175 * cpplib.c (struct directive): Const-ify name pointer and
8176 function pointer prototype.
8177 (validate_else, do_define, do_line, do_include, do_undef,
8178 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
8179 do_elif, do_endif, do_sccs, do_assert, do_unassert,
8180 do_warning): Const-ify second arg.
8181 (directive_table): Mark const. Reorder entries by frequency
8182 of usage, record statistics.
8184 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
8186 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
8187 bounds- check RTL accesses if --enable-checking.
8188 (RTVEC_ELT): Bounds check if --enable-checking.
8189 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
8190 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
8191 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
8193 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
8194 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
8196 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
8197 (NOTE_SOURCE_FILE): Use X0STR.
8198 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
8199 MEM_ALIAS_SET): Use X0INT.
8200 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
8201 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
8203 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
8204 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
8205 (rtl_check_failed_bounds, rtl_check_failed_type1,
8206 rtl_check_failed_type2, rtvec_check_failed_bounds): New
8208 (fancy_abort): Fix comment.
8210 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
8211 (cse_insn): Decrement LABEL_NUSES for jump target before
8213 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
8214 * final.c (alter_subreg): Compute regno before changing x to
8215 REG; set REGNO(x) after changing it.
8216 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
8217 notes containing CONST_INTs.
8218 (delete_eh_regions): Use NOTE_EH_HANDLER.
8219 * function.c (put_reg_into_stack): Make reg a MEM before
8221 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
8223 (gen_mem_addressof): Make reg a MEM before initializing it.
8224 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
8226 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
8227 deleting an insn, not after.
8228 (block_alloc): Only look at PATTERN(insn) if we have to, and
8229 only if it's format class 'i'.
8230 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
8231 CONST_INT before using its INTVAL.
8232 * print-rtl.c (print_rtx): Use X0STR.
8233 * regmove.c (fixup_match_1): Don't look at PATTERN of
8234 non-class-'i' insn chain elements.
8235 * reload.c (loc_mentioned_in_p): Take address of
8236 in->fld[1].rtx directly.
8237 * reload1.c (reload): Change reg to a MEM before initializing
8239 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
8241 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
8243 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
8245 * config/mips/mips.c (machine_dependent_reorg): Force a
8246 barrier to output the local constant pool if a barrier hasn't
8247 been found at a natural point in the instruction stream.
8249 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8251 * c-parse.in (language_string): Constify.
8253 * dwarf2out.c (language_string): Remove declaration.
8255 * dwarfout.c (language_string): Likewise.
8257 * toplev.c (language_string, init_parse, finish_parse): Likewise.
8259 * tree.h (language_string, init_parse, finish_parse): Declare.
8261 * i386/sun386.h (language_string): Remove declaration.
8263 * mips.h (language_string): Likewise.
8265 * nextstep.h (language_string): Likewise.
8267 * nextstep21.h (language_string): Likewise.
8269 * rs6000.c (language_string): Likewise.
8271 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8273 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
8274 (getpwd.o): Remove target.
8276 * getpwd.c: Delete file. Its in libiberty now.
8278 * dbxout.c (getpwd): Don't prototype.
8279 * dwarf2out.c (getpwd): Likewise
8280 * dwarfout.c (getpwd): Likewise
8281 * final.c (getpwd): Likewise.
8282 * protoize.c (getpwd): Likewise.
8284 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8286 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
8288 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
8290 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
8293 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
8295 * fixinc/Makefile.in (subdir): New.
8296 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
8299 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
8301 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
8302 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
8305 * invoke.texi: Fix typo.
8307 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
8308 changed. Handle autoincrement addressing modes.
8310 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
8311 just like we would the virtual incoming args register when
8314 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
8316 * rs6000.h (ASM_FILE_START): Specify complete filename, including
8317 path, in .file directive.
8319 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
8321 * gcc.texi (External Bugs): Remove obsolete note about Perl on
8324 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
8326 * stdbool.h: Make the typedef name _Bool, with bool a #defined
8329 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8331 * tree.c (tree_code_name): Constify a char*.
8333 * tree.h (tree_code_name, decl_printable_name): Likewise.
8335 * function.h (struct function): Likewise.
8337 * toplev.c (decl_name, decl_printable_name): Likewise.
8339 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
8341 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
8342 (init_objc): Remove function pointer cast.
8344 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
8346 * pa.md (interspace_jump): New pattern.
8347 (builtin_longjmp): New expander.
8349 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
8351 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
8352 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
8353 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
8355 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
8357 * jump.c (delete_prior_computation): Also check calls
8358 to constant functions. Don't bother checking for a
8359 REG_UNUSED note before adding it.
8360 (delete_computation): Handle multi-word hard registers
8361 when synthesizing missing REG_DEAD notes for a register
8362 which is both set and used by an insn.
8364 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8366 * loop.c (this_loop_info): New variable.
8367 (loop_has_call, loop_has_volatile, loop_has_tablejump,
8368 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
8370 (prescan_loop, strength_reduce): New argument loop_info. All callers
8372 (scan_loop): New variable loop_info, initialise to address of
8374 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
8375 Delete variable loop_has_multiple_exit targets and replace with
8376 field in this_loop_info.
8377 (find_and_verify_loops): Rename this_loop to this_loop_num.
8378 (strength_reduce): Delete loop_iteration_info. Replace variable
8379 loop_info with function argument of same name.
8380 (insert_bct): Rework test for loop being completely unrolled.
8382 * loop.h (struct loop_info): New fields num, loops_enclosed,
8383 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
8384 has_indirect_jump, and cont. Redefine use of unroll_number.
8385 (loop_unroll_number): Delete.
8387 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
8389 (loop_iterations): Delete variable vtop and instead use
8390 loop_info->vtop computed in prescan_loop.
8392 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
8394 * fix-header.c (main): Do not pass a null pointer to strcmp.
8396 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
8398 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
8400 * configure: Rebuilt.
8402 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
8404 * jump.c (jump_optimize_1): Do not delete assignments to
8405 internal_arg_pointer.
8406 * cse.c (delete_trivially_dead_insns): Always consider a set of
8407 the internal_arg_pointer live.
8409 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
8411 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
8412 (update_life_info) [REG_WAS_0]: Search the original insns rather
8413 than the new insns for the note. Fix typos finding note_dest.
8414 If no dest found, discard the note rather than abort.
8415 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
8416 (replace_insns): Remove the old insn list after update_life_info
8419 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
8421 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
8423 (sched_analyze_1): Let add_dependence care for not adding dups.
8424 (sched_analyze_2): Likewise.
8425 (add_branch_dependences): Likewise.
8427 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
8429 * i386/winnt.c (export_list): New type.
8430 (exports_head): Rename to
8431 (export_head): this.
8432 (i386_pe_record_exported_symbol): Add is_data flag.
8433 (i386_pe_asm_file_end): Emit directive for exported variables.
8434 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
8436 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
8437 (ASM_DECLARE_OBJECT_NAME): Likewise.
8438 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8439 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
8441 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
8443 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
8445 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
8448 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
8450 * config/openbsd.h: Define SET_ASM_OP.
8451 * tm.texi: cross-reference SET_ASM_OP in the index.
8453 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
8455 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
8456 for a CONST_DOUBLE, at compile time. Initialize rtx_length
8457 and class_narrowest_mode at compile time. Kill init_rtl.
8458 Mark rtx_length, mode_class, mode_size, mode_unit_size,
8459 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
8460 rtx_format as const. Kill all references to EXTRA_CC_MODES or
8462 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
8464 * rtl.h: Declare rtx_length and rtx_format as const.
8465 * machmode.def: Define CC(). Use CC() to define CCmode. If
8466 EXTRA_CC_MODES is defined, expand it here.
8467 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
8468 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
8469 const. Kill all references to EXTRA_CC_MODES.
8471 * toplev.c: Don't prototype or call init_rtl.
8472 * optabs.c: Don't call init_mov_optab.
8473 * genemit.c: Don't generate init_mov_optab. Don't call
8475 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
8477 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
8478 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
8479 genrecog.c: Don't call init_rtl.
8481 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
8482 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
8483 definition of EXTRA_CC_MODES.
8485 * md.texi: Kill ref to EXTRA_CC_NAMES.
8486 * tm.texi: Document new way to define EXTRA_CC_MODES.
8488 * genrecog.c: Do not look up the name of a define_split.
8491 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
8493 * config/v850/v850.md: Fix typo introduced by previous delta.
8495 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8497 * gcc.c (fatal): Make definition static to match prototype.
8499 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8501 * combine.c (get_last_value): Don't look for earlier sets if the last
8502 known set is somewhere in between the insns being combined.
8504 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
8506 * configure.in: Don't use shell ! to negate exit codes
8507 * configure: Regenerate
8509 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
8511 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
8512 the fact that ALIGN is measured in bits, not bytes.
8514 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
8516 * errors.c: New file; defines functions error, warning, and
8517 fatal, variables have_error and progname.
8518 * errors.h: New file; prototypes and decls for stuff in errors.c.
8520 * Makefile: Add rules to build errors.o and
8521 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
8522 genopinit, genrecog, genextract, genpeep, genattr, and
8523 genoutput with errors.o. Add errors.h to deps of genconfig.o,
8524 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
8525 genpeep.o, genattr.o, and genoutput.o.
8527 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
8528 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
8529 define or prototype fatal. Set progname at beginning of main.
8530 * genoutput.c: Likewise, and don't define or prototype error
8533 * c-typeck.c (c_expand_start_case): Return immediately if exp
8535 * fold-const.c (operand_equal_p): Return immediately if arg1
8536 or arg0 are ERROR_MARKs.
8537 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
8538 fields of type ERROR_MARK when calculating if the record can
8541 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
8542 with much help from Jeffrey A Law and Richard Henderson
8544 * i386.md: In the 6 insns which call output_fix_trunc,
8545 earlyclobber operands[0].
8547 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
8549 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
8550 creating new registers.
8552 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
8554 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
8555 i386_reg_alloc_order, i386_regparm_string,
8556 i386_align_loops_string, i386_align_jumps_string,
8557 i386_align_funcs_string, i386_preferred_stack_boundary_string,
8558 and i386_branch_cost_string as type "const char *".
8559 * i386.c: Define all above strings as type "const char *".
8561 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
8563 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
8564 when emitting alignment padding. Emit padding byte of 0 instead of 4.
8566 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
8568 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
8569 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
8571 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
8573 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
8574 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
8575 (dwarf2out_line, dwarf2out_finish): Likewise.
8576 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
8578 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
8580 * tree.c (lang_unsave_expr_now) : Correct return type.
8581 * tree.h (lang_unsave_expr_now) : Same.
8583 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
8585 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
8586 instead of duplicating code.
8588 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8590 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
8592 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
8594 * tree.h: fancy_abort always takes three args.
8595 * resource.c: Move include of system.h before toplev.h.
8597 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
8599 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
8602 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
8604 * system.h: Don't redefine abort or trim_filename.
8605 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
8606 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
8607 whether or not __FUNCTION__ is available.
8608 * tree.h: Duplicate rtl.h's definition of abort, for files
8609 that don't include rtl.h. Delete all code to perform type
8610 checking with a compiler other than GCC.
8611 * varray.h: Delete all code to perform type checking with a
8612 compiler other than GCC. Make VARRAY_CHECK() always evaluate
8613 its arguments exactly once, using a statement expression.
8614 Adjust the VARRAY_<type> accessor macros to match.
8615 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
8616 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
8617 caller's location. Define fatal_insn and fatal_insn_not_found
8618 as macros that use _fatal_insn and _fatal_insn_not_found.
8619 (fancy_abort, trim_filename): Kill prototypes.
8621 * rtl.c (trim_filename): Move here from toplev.c.
8622 (fancy_abort): New function.
8623 (DIR_SEPARATOR): Provide default definition.
8624 * tree.c (tree_check_failed, tree_class_check_failed): Go
8625 through fancy_abort.
8626 (tree_check, tree_class_check, cst_or_constructor_check,
8627 expr_check): Delete.
8628 * varray.c (varray_check_failed): New function.
8629 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
8630 _fatal_insn and _fatal_insn_not_found. Go through
8632 (trim_filename, fancy_abort): Delete.
8634 * builtins.c (expand_builtin_args_info): Report ICE with abort.
8635 * except.c (start_catch_handler): Report ICE with error/abort
8637 * final.c (output_operand_lossage): Likewise.
8638 * flow.c (verify_flow_info): Likewise.
8640 * gcc.c: Prototype fatal.
8641 * gengenrtl.c: Undef abort after including rtl.h not system.h.
8642 * genattr.c, genattrtab.c, genemit.c, genextract.c,
8643 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
8644 Don't define fancy_abort.
8646 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
8648 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
8651 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
8653 * m88k.h (VERSION_INFO2): Kill.
8654 (VERSION_STRING): Kill.
8656 (VERSION_INFO1): Tidy.
8657 (TARGET_VERSION): Update.
8658 * m88k/dgux.h (VERSION_INFO2): Kill.
8659 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
8660 * m88k/luna.h (VERSION_INFO1): Tidy.
8661 * m88k/sysv4.h (VERSION_INFO1): Likewise.
8662 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
8663 (output_file_start): Adjust for death of VERSION_STRING.
8665 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
8667 * cpplib.c (detect_if_not_defined): New function.
8668 (do_if): Use it to detect potential once-only headers.
8670 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
8672 * c-common.c (combine_strings): Always set TREE_CONSTANT.
8674 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
8676 * combine.c (nonzero_bits) : Allow single-ly set registers to be
8677 anywere in the function only if they are pseudos and set before
8678 being used (not live at the start of the function).
8679 (num_sign_bit_copies) : Same.
8680 (get_last_value_validate) : Same.
8681 (get_last_value) : Same.
8683 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
8685 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
8686 where N and M are constant and N is an integer multiple of M.
8688 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8690 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
8691 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
8692 sbitmap_union_of_preds): Add prototypes.
8693 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
8694 the intersection of successors with the new flow graph structures.
8695 (sbitmap_intersection_of_preds): New function to compute the
8696 intersection of predecessors with the new flow graph structures.
8697 (sbitmap_union_of_succs): New function to compute the union of
8698 successors with the new flow graph structures.
8699 (sbitmap_union_of_preds): New function to compute the union of
8700 predecessors with the new flow graph structures.
8701 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
8702 (expr_reaches_here_p): Use edge and basic_block structures instead
8703 of s_preds and s_succs.
8704 (compute_cprop_avinout): Use new sbitmap routines.
8705 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
8706 of s_preds and s_succs.
8707 * flow.c (compute_flow_dominators): Compute dominators using
8708 edges and basic blocks instead of s_preds and s_succs.
8710 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8712 * lists.c (unused_insn_list, unused_expr_list): New file for
8713 maintaining various types of lists. New statics for maintaining a
8714 cache of available INSN_LIST and EXPR_LIST nodes.
8715 (free_list): Static function for freeing a list of INSN/EXPR nodes.
8716 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
8717 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
8718 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
8719 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
8720 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
8721 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
8722 (free_INSN_LIST_node): Free an individual INSN_LIST node.
8723 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
8724 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
8725 (remove_dependence, free_pending_lists): Use new global routines.
8726 (flush_pending_lists, sched_analyze_insn): Use new global routines.
8727 (sched_analyze, compute_block_backward_dependences): Use new routines.
8728 (sched_analyze_1, sched_analyze_2): Use new routines.
8729 (schedule_insns): Use new global routines.
8730 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
8732 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
8733 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
8735 * toplev.c (rest_of_compilation): Initialize node cache.
8736 * Makefile.in (OBJS): Add lists.o to list of object files.
8737 (lists.o): Add dependancies.
8739 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
8741 * config/v850/v850.md: Fix compile time warning messages.
8742 * config/v850/v850.c: Fix compile time warning messages.
8743 * config/v850/v850.h: Fix compile time warning messages.
8745 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8747 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
8748 Remove unused prototype for `init_lengths'.
8750 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8752 * calls.c (emit_call_1): Mark parameter `stack_size' with
8754 (expand_call): Initialize variable `insn'.
8755 (emit_library_call): Likewise for variable `high_to_save'.
8756 (emit_library_call_value): Likewise.
8757 (store_one_arg): Likewise for variables `lower_bound' and
8760 * combine.c (try_combine): Likewise for variables `i2_code_number'
8761 and `other_code_number'.
8762 (find_split_point): Likewise for variables `pos', `unsignedp' and
8764 (simplify_if_then_else): Likewise for variables `op' and `c1'.
8765 (simplify_and_const_int): Remove unused variable `width'.
8766 (merge_outer_ops): Likewise.
8768 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
8769 HOST_WIDE_INT' when comparing against one.
8770 (simplify_relational_operation): Likewise.
8771 (cse_insn): Initialize variables `src_eqv_volatile',
8772 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
8774 * final.c (init_final): Constify parameter `filename'.
8775 (final_start_function): Mark parameter `optimize' with
8777 (profile_function): Likewise for parameters `first' and `optimize'.
8778 (output_source_line): Likewise for parameter `file'.
8780 * integrate.c (subst_constants): Cast a value to `size_t' when
8781 comparing against one.
8782 (mark_stores): Initialize variable `mode'. Cast a value to
8783 `size_t' when comparing against one.
8785 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
8787 * loop.c (move_movables): Initialize variable `first'.
8788 (strength_reduce): Likewise for variable `increment'.
8789 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
8790 value to `size_t' when comparing against one.
8791 (load_mems): Initialize variable `end_label'.
8793 * output.h (init_final): Constify parameter.
8795 * reload.c (decompose): Initialize variable `base'.
8797 * reload1.c (reload): Likewise for variable `is_scalar'.
8798 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
8799 (choose_reload_regs): Initialize variable `mode'.
8800 (emit_reload_insns): Likewise for variable `store_insn'.
8801 (reload_cse_noop_set_p): Mark parameter `insn' with
8803 (reload_combine): Initialize variable `set'.
8805 * unroll.c (unroll_loop): Likewise for variable `local_label'.
8806 (copy_loop_body): Cast a value to `size_t' when comparing against
8809 * varasm.c (assemble_variable): Initialize variable `size_tree'.
8810 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
8811 (remove_from_pending_weak_list): Mark parameter `name' with
8814 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8816 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
8819 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
8821 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
8822 (ASM_DECLARE_FUNCTION_NAME): Define.
8823 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
8824 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
8825 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
8826 not already defined.
8828 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
8830 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
8831 of n_popped when call/call_value are not defined.
8833 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
8835 * tm.texi: GNU CC -> GCC conversion.
8836 (CC1_SPEC): Indicate it is used for all language front ends.
8838 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
8840 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
8841 NOTE_INSN_EH_REGION_END correctly.
8843 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
8844 Jeff Law <law@cygnus.com>
8846 * loop.c (strength_reduce): Automatically unroll loops if the
8847 unrolled loop size is smaller than the rolled loop size.
8849 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
8850 and delete comment that code should be rewritten.
8852 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
8854 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
8857 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
8859 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
8861 * fixinc/mkfixinc.sh: Don't fix uwin headers.
8862 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
8863 (LINK_SPEC): Add -u _main when building executables.
8864 (ASM_DECLARE_FUNCTION): Update from Cygwin.
8865 (ASM_FILE_END): Use the default for ix86-pe.
8866 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
8868 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
8870 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
8871 and ASM_CLOSE_PAREN are empty strings.
8873 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
8874 Geoffrey Keating <geoffk@cygnus.com>
8876 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
8877 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
8878 (unprotoize.o): Ditto.
8879 (test-protoize-simple): Don't define STD_PROTO_DIR.
8880 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
8881 changes to make 'test-protoize-simple' pass.
8882 (STD_PROTO_DIR): Remove define.
8883 (STANDARD_EXEC_PREFIX): Supply default define.
8884 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
8885 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
8886 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
8887 (GET_ENV_PATH_LIST): New macro.
8888 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
8889 (do_processing): Initialize default_syscalls_dir using new
8890 macros. Use it to initialize syscalls_absolute_filename.
8892 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
8894 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
8895 B into a register before emit_conditional_move.
8897 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
8899 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
8900 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
8901 multiplicand out of (+ (* a b) (* c d)).
8903 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
8904 Richard Henderson <rth@cygnus.com>
8906 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
8907 (new_insn_dead_notes): Likewise.
8908 (update_n_sets): Likewise.
8909 (update_flow_info): Move to flow.c, renamed to update_life_info;
8910 extend to handle multiple source insns.
8911 * flow.c: Include resource.h
8912 (unlink_insn_chain): New.
8913 (split_hard_reg_notes): New.
8914 (maybe_add_dead_note): New.
8915 (maybe_add_dead_note_use): New.
8916 (find_insn_with_note): New.
8917 (new_insn_dead_notes): New.
8918 (update_n_sets): New.
8919 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
8920 (maybe_remove_dead_notes): New.
8921 (update_life_info): New.
8922 (prepend_reg_notes): New.
8923 (replace_insns): New.
8924 * output.h (update_life_info): Declare.
8925 * recog.c (split_block_insns): Use update_life_info.
8926 * resource.c (find_free_register): Use reg_alloc_order, don't use
8927 fixed regs, make sure the mode is supported, don't use new regs.
8929 * rtl.h (replace_insns): Declare.
8931 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
8933 * expr.c (expand_expr): Cope with COND_EXPRs with one
8934 non-returning branch.
8936 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
8938 * expr.c (store_expr): Always pass down the target, even when not
8941 1999-08-24 Nick Clifton <nickc@cygnus.com>
8943 * configure.in: Define target_cpu_default for v850 targets.
8944 * configure: Regenerate
8946 * config/v850/v850.h (TARGET_CPU_generic): Define.
8947 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
8948 addresses are 4 byte aligned.
8950 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
8953 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8955 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
8956 (main): Add prototypes.
8958 * genattrtab.c (substitute_address, write_const_num_delay_slots,
8959 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
8960 (write_attr_get): Emit prototypes along with function definition.
8961 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
8962 (write_complex_function): Emit static prototype along with
8963 function definition.
8965 * genemit.c (gen_split): Emit prototypes along with function
8968 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
8969 Likewise for predicates and `insn_operand_predicate'.
8970 (process_template): Emit static prototype along with function
8973 * genrecog.c (make_insn_sequence): Constify a char*. Add
8974 prototypes for get_split_*().
8975 (write_subroutine): Emit prototypes along with function
8978 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8980 * gcse.c (find_avail_set): Follow chains of register-register copies.
8981 Use oprs_not_set_p to guarantee that the returned value can be
8983 (cprop_insn): Don't verify the return value of find_avail_set with
8986 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
8987 (cprop_cc0_jump): New function.
8988 (cprop_insn): Break out new function cprop_jump and use it.
8989 Also use cprop_cc0_jump for machines with CC0.
8990 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
8992 * tree.h (current_function_calls_setjmp,
8993 current_function_calls_longjmp): Delete declarations.
8994 * dsp16xx.c: Include "function.h".
8995 * elxsi.c: Likewise.
8996 * gmicro.c: Likewise.
8997 * h8300.c: Likewise.
9000 * mn10200.c: Likewise.
9001 * mn10300.c: Likewise.
9002 * ns32k.c: Likewise.
9006 * rtl.h (rtx_equal_function_value_matters): Declare.
9007 * toplev.c (rtx_equal_function_value_matters): Don't declare.
9009 * function.c: Likewise.
9010 * emit-rtl.c: Likewise.
9012 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
9014 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
9017 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9019 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
9022 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
9024 * cpp.texi: Add a node documenting macro varargs (copied
9027 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
9029 * cppspec.c: Put a null pointer at the end of the new argv.
9031 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
9033 * configure.in: Remove code to select/de-select the haifa
9034 scheduler. Every scheduled port gets haifa now.
9035 * configure: Rebuilt.
9036 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
9038 * Makefile.in: Corresponding changes.
9040 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9042 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
9043 All callers changed.
9044 (prepare_float_lib_cmp): Likewise.
9045 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
9046 * expr.h (emit_float_lib_cmp): Delete declaration.
9047 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
9048 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
9049 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
9051 (cmptf): Now conditional on TARGET_HARD_QUAD.
9053 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
9055 * resource.c (mark_target_live_regs): Use
9056 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
9058 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9060 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
9062 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
9064 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
9066 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9068 * rtl.h (rtx_format): Constify a char*.
9070 * rtl.c (rtx_format): Likewise.
9071 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
9072 (init_rtl): Use accessor macro, not `rtx_format'.
9074 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
9077 * caller-save.c (mark_referenced_regs): Likewise.
9079 * combine.c (subst, make_compound_operation, known_cond,
9080 gen_rtx_combine, update_table_tick, get_last_value_validate,
9081 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
9083 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
9084 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
9085 count_reg_usage): Likewise.
9087 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
9090 * final.c (leaf_renumber_regs_insn): Likewise.
9092 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
9093 dump_edge_info, count_reg_references): Likewise.
9095 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
9096 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
9099 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
9100 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
9101 add_label_notes): Likewise.
9103 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
9104 clear_struct_flag, count_sub_rtxs, count_alternatives,
9105 compares_alternatives_p, contained_in_p, walk_attr_value,
9106 write_expr_attr_cache): Likewise.
9108 * genconfig.c (walk_insn_part): Likewise.
9110 * genemit.c (max_operand_1, gen_exp): Likewise.
9112 * genextract.c (walk_rtx): Likewise.
9114 * genflags.c (num_operands): Likewise.
9116 * genoutput.c (scan_operands): Likewise.
9118 * genpeep.c (match_rtx): Likewise.
9120 * genrecog.c (add_to_sequence): Likewise.
9122 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
9125 * integrate.c (save_constants, copy_for_inline,
9126 copy_rtx_and_substitute, subst_constants, restore_constants):
9129 * jump.c (mark_jump_label, invert_exp, redirect_exp,
9130 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
9132 * local-alloc.c (contains_replace_regs, memref_referenced_p):
9135 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
9136 add_label_notes, replace_call_address, count_nonfixed_reads,
9137 invariant_p, find_single_use_in_loop, find_mem_givs,
9138 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
9141 * print-rtl.c (reg_names, print_rtx): Likewise.
9143 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
9145 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
9146 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
9147 print_blocks): Likewise.
9149 * regclass.c (fix_register, record_address_regs,
9150 reg_scan_mark_refs): Likewise.
9152 * regmove.c (stable_but_for_p): Likewise.
9154 * reload.c (loc_mentioned_in_p, operands_match_p,
9155 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
9156 copy_replacements, refers_to_regno_for_reload_p,
9157 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
9158 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
9161 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
9162 delete_address_reloads_1, count_occurrences,
9163 reload_cse_mem_conflict_p, reload_combine_note_use,
9164 add_auto_inc_notes): Likewise.
9166 * resource.c (mark_referenced_resources, mark_set_resources):
9169 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
9170 reg_mentioned_p, regs_set_between_p, modified_between_p,
9171 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
9172 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
9173 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
9174 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
9176 * sched.c (sched_analyze_2, attach_deaths): Likewise.
9178 * stupid.c (stupid_mark_refs): Likewise.
9180 * unroll.c (remap_split_bivs): Likewise.
9182 * varasm.c (mark_constants): Likewise.
9184 * a29k/a29k.c (uses_local_reg_p): Likewise.
9186 * alpha/alpha.c (summarize_insn): Likewise.
9188 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
9189 eliminate_lr2ip): Likewise.
9191 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
9193 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
9194 reg_mentioned_in_mem): Likewise.
9196 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
9197 symbolic_reference_mentioned_p): Likewise.
9199 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
9201 * sh/sh.c (regs_used, mark_use): Likewise.
9203 * vax/vax.c (vax_rtx_cost): Likewise.
9205 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9207 * machmode.h (mode_name): Constify a char*.
9209 * rtl.c (mode_name): Likewise.
9211 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
9213 * optabs.c (init_libfuncs): Constify a char*.
9215 * print-tree.c (mode_name): Remove redundant declaration.
9216 (print_node): Use accessor macro, not `mode_name'.
9218 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
9220 (new_spill_reg): Constify a char*.
9222 * tree.c (mode_name): Remove redundant declaration.
9224 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9226 * rtl.c (rtx_name): Constify a char*.
9228 * rtl.h (rtx_name, fix_sched_param): Likewise.
9230 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
9231 (mypr): Use accessor macro, not `rtx_name'.
9233 * genemit.c (print_code): Constify a char*.
9235 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
9237 * genpeep.c (print_code): Constify a char*.
9239 * genrecog.c (print_code): Likewise.
9241 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
9242 end_bb): Add static prototype.
9243 (draw_edge): Constify a char*.
9244 (end_bb): Remove unused parameter.
9246 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
9247 print_block_visualization): Constify a char*.
9249 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
9251 * c-common.c (c_get_alias_set): Update comment.
9253 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
9255 * linux.h (LIB_SPEC): Added.
9257 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9259 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
9261 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
9263 * tree.c (expr_check): Fix typo in last change.
9265 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
9267 * rtl.def (NOTE): Change format to "iuu0n".
9268 (ADDR_DIFF_VEC): Change format to "eEee0".
9269 (ADDRESSOF): Change format to "eit".
9271 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
9272 (RTVEC_ELT): Change to match.
9273 (XVECEXP): Use XVEC and RTVEC_ELT.
9274 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
9275 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
9276 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
9277 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
9278 TRAP_CONDITION, TRAP_CODE): Use XEXP.
9279 (INTVAL): Use XWINT.
9280 (ADDRESSOF_DECL): Use XTREE.
9281 (SET_ADDRESSOF_DECL): Delete.
9282 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
9283 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
9284 ifdefed out since 2.6 at least.
9285 (gen_rtvec_vv): Delete prototype.
9287 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
9289 (copy_most_rtx): Handle 't' format letter.
9290 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
9291 (gen_rtvec_vv): Delete function. All callers changed to use
9292 gen_rtvec_v instead.
9293 * print-rtl.c (print_rtx): Move special casing of NOTEs to
9294 the '0' format letter.
9296 * function.c (gen_mem_addressof): Don't use
9297 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
9299 * integrate.c (copy_rtx_and_substitute): Likewise.
9300 Copy 't' slots with XTREE.
9301 (subst_constants): Treat 't' slots like '[swi]' slots.
9302 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
9303 * jump.c (rtx_equal_for_thread_p): Likewise.
9304 * rtlanal.c (rtx_equal_p): Likewise.
9305 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
9306 only four arguments.
9307 * gengenrtl.c (type_from_format): Provide correct types for
9311 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
9312 If a recent gcc is in use (always in stage2 and beyond), use
9313 statement expressions, so we don't make a function call unless
9314 the check fails. Evaluate arguments exactly once.
9315 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
9316 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
9318 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
9319 they evaluate their arguments exactly once, irrespective of
9320 the compiler in use.
9322 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
9323 is used by the currently-enabled check macros. This is:
9324 (tree_check_failed, tree_class_check_failed): For gcc.
9325 (tree_check, tree_class_check, cst_or_constructor_check,
9326 expr_check): For other compilers.
9328 * gencheck.c: Do not define any *_CHECK1 macros.
9330 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
9331 Mark Mitchell <mark@codesourcery.com>
9333 * c-common.c (c_get_alias_set): Fix support for poitners and
9336 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
9338 * alias.c: Include tree.h.
9339 (nonlocal_reference_p, mark_constant_function): New functions.
9340 * flow.c (life_analysis): Call mark_constant_function.
9341 * rtl.h (mark_constant_function): Declare it.
9343 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
9345 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
9346 unrecognisable switches.
9348 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9350 * loop.c (recombine_givs): Set ix field after sorting.
9351 (recombine_givs): Remove bogus index / giv lockstep looping.
9353 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9355 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
9357 (emit_store_flag_force): Use do_compare_rtx_and_jump.
9358 (do_cmp_and_jump): Formatting fixes.
9359 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
9360 do_compare_rtx_and_jump instead of compare_from_rtx.
9361 (do_compare_rtx_and_jump): New function; mostly copied from
9363 (do_jump_for_compare): Delete.
9364 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
9366 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
9367 of compare/do_jump_for_compare pairs.
9368 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
9369 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
9370 compare_from_rtx/do_jump_for_compare pairs.
9371 (do_jump_by_parts_equality): Likewise.
9372 (do_jump_by_parts_equality_rtx): Likewise.
9373 * expr.h (do_compare_rtx_and_jump): Declare.
9374 * optabs.c (prepare_cmp_insn): New function, contains most of the code
9375 that used to be in emit_cmp_insn.
9376 (cmp_available_p): New function.
9377 (prepare_operand): New function.
9378 (emit_cmp_and_jump_insn_1): New function, contains some code that used
9379 to be in emit_cmp_insn.
9380 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
9381 parameters to be pointers; don't emit final compare but modify some of
9382 the values pointed to by the args so the caller can perform the
9384 (expand_binop): Call emit_store_flag_force with signed forms of
9386 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
9387 emit_jump_insn pair.
9388 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
9389 emit_cmp_and_jump_insn_1. Call emit_queue.
9390 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
9392 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
9393 jump sets cc0 before deleting it.
9394 * integrate.c (expand_inline_function): Likewise.
9395 * unroll.c (unroll_loop): Similar changes in several places.
9396 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
9399 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9401 * Makefile.in (insn-recog.o): Update dependencies.
9402 * genrecog.c (main): Make generated file include "function.h".
9404 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
9406 * cse.c (cse_insn): Call never_reached_warning when a jump is
9407 changed to be unconditional.
9408 * flags.h: Declare warn_notreached.
9409 * flow.c (delete_block): Call never_reached_warning when
9411 * jump.c (delete_barrier_successors): Call never_reached_warning
9412 when we delete everything after a BARRIER.
9413 (never_reached_warning): New function.
9414 * rtl.h: Declare never_reached_warning.
9415 * toplev.c (warn_notreached): New variable.
9416 (lang_independent_options): Set warn_notreached
9417 when -Wunreachable-code.
9418 (compile_file): We need line numbers for -Wunreachable-code.
9420 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
9422 * haifa-sched.c (insn_unit): Fix typo on out of range test.
9423 * sched.c (insn_unit): Likewise.
9425 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
9427 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
9429 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9431 * flow.c (create_edge_list): Use xmalloc, not malloc.
9433 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
9435 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
9436 C-style comments. Do not lose the character before double slash.
9438 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9440 * basic-block.h (struct edge_list): Stucture to maintain a vector
9442 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
9443 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
9444 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
9445 New function prototypes.
9446 * flow.c (create_edge_list): Function to create an edge list.
9447 (free_edge_list): Discards memory used by an edge list.
9448 (print_edge_list): Debug output showing an edge list.
9449 (verify_edge_list): Internal consistency check for an edge list.
9450 (find_edge_index): Function to find an edge index for a pred and succ.
9452 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
9454 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
9457 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
9459 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
9461 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9463 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
9465 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
9467 * toplev.c (rest_of_compilation): Allow machine dependent
9468 reorganisation pass to place information into the RTL dump
9469 file if it so wishes.
9471 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
9473 * explow.c (hard_function_value): Use VOIDmode instead of
9475 * stmt.c (expand_return): Likewise.
9476 * stor-layout.c (get_best_mode): Likewise.
9478 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
9479 emit call instead of emit_insn call.
9481 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
9483 * configure.in: Handle --disable/enable-win32-registry.
9484 * install.texi: Document --disable/enable-win32-registry.
9485 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
9486 (WIN32_REGISTRY_KEY): New macro.
9487 * prefix.c: Use to enable/disable win32-specific code.
9488 (lookup_key): Use versioned key.
9489 * configure: Regenerate.
9490 * config.in: Likewise.
9492 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
9494 * cpplib.c (read_line_number): New fn, split out of...
9497 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
9499 tree.c (lang_unsave_expr_now) : New.
9500 (unsave_expr_now): Call lang_unsave_expr_now.
9501 tree.h (lang_unsave_expr_now) : New.
9503 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
9505 * toplev.c (flag_new_exceptions): On by default.
9507 1999-08-13 Michael Meissner <meissner@cygnus.com>
9509 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
9511 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
9513 * dwarfout.c (fundamental_type_code): Return FT_boolean for
9514 INTEGER_TYPE with precision==1, it's __java_boolean.
9516 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9518 * global.c (prune_preferences): Move some invariants out of the
9521 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
9523 * configure.in (alpha*-dec-osf*): Add osf5.
9525 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
9527 * configure.in: Rework handling of ARM GNU/Linux slightly.
9528 (arm*-*-linux-gnuoldld): New target.
9529 * configure: Regenerate.
9530 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
9531 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
9532 * config/arm/linux-oldld.h: New file.
9533 * config/arm/linux-elf26.h: Don't include linux-elf.h.
9534 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
9536 * config/arm/linux-elf.h (ASM_SPEC): Define.
9537 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
9538 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
9539 for 26-bit APCS and old linker.
9540 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
9542 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
9543 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
9544 don't define `arm' or `arm_elf'.
9545 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
9546 MULTILIB_DIRNAMES): Define. Fix typo in comment.
9548 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
9550 * rtl.texi: Fix typo.
9552 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
9554 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
9556 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
9558 * extend.texi (C++ Signatures): Remove node.
9559 * invoke.texi: Remove discussion of -fhandle-signatures,
9560 signature, sigof, __signature__, and __sigof__.
9562 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
9564 * Makefile.in (JAVAGC): Removed.
9566 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
9568 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
9570 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
9572 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
9574 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
9576 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
9577 a register that is already known to be a pointer.
9579 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
9581 * fixinc/inclhack.tpl: Only install assert.h conditionally.
9582 * fixinc/inclhack.sh: Regenerated.
9583 * fixinc/fixincl.sh: Regenerated.
9585 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
9587 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
9588 Fix documentation of -ansi flag to describe its C++ behavior.
9589 Remove bogus reference to GCC 2.9.
9591 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
9593 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
9594 note if it is non-NULL.
9596 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9598 * except.h (eh_nesting_info): Add new structure defintion.
9599 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
9600 (reachable_handlers, update_rethrow_references): Add function
9602 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
9603 a rethrow symbol instead of an integer exception region number.
9604 * flow.c (Make_edges): Use new exception nesting routines to determine
9605 which handlers are reachable from a CALL or asynchronous insn.
9606 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
9608 (delete_eh_regions): Update rethrow labels, and don't delete
9609 regions which are the target of a rethrow.
9610 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
9611 avoid overloading the SYMBOL_REF_USED flag.
9612 (rethrow_symbol_map): Use new rethrow_ref field.
9613 (rethrow_used): Use new rethrow_ref field.
9614 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
9615 of an integer. Fix formatting.
9616 (output_exception_table_entry): Use new rethrow_ref field.
9617 (can_throw): Check for EH_REGION_NOTE before deciding
9618 whether a CALL can throw or not.
9619 (scan_region): Call rethrow_used() instead of accessing data structure.
9620 (update_rethrow_references): New function to make sure only regions
9621 which are still targets of a rethrow are flagged as such.
9622 (process_nestinfo): New static function to initialize a handler
9623 list for a specific region.
9624 (init_eh_nesting_info): New function to allocate and initialize
9625 the list of all EH handlers reachable from all regions.
9626 (reachable_handlers): New function to retrieve the list of handlers
9627 reachable from a specific region and insn.
9628 (free_eh_nesting_info): New function to dispose of a list of
9631 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9633 * flow.c (split_edge): Set JUMP_LABEL field.
9634 (commit_one_edge_insertion): Set head correctly for insert_before.
9635 When inserting insns, update insn block numbers if allocated.
9637 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9639 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
9640 retry_incomplete_types): Add static prototype.
9641 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
9642 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
9643 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
9644 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
9645 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
9648 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
9649 dwarf2out_start_source_file, dwarf2out_line): Likewise.
9651 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9653 * output.h (assemble_name): Constify a char*.
9655 * varasm.c (UNIQUE_SECTION, assemble_start_function,
9656 assemble_variable, assemble_name): Likewise.
9658 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
9660 * arm/pe.c (arm_pe_unique_section): Likewise.
9662 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
9664 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
9666 * i386/interix.c (i386_pe_unique_section): Likewise.
9668 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
9670 * i386/winnt.c (i386_pe_unique_section): Likewise.
9672 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
9674 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
9676 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
9678 * pa/pa.c (output_call): Likewise.
9680 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
9682 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
9684 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
9687 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
9690 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
9692 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
9693 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
9695 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
9697 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9699 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
9701 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9703 * tree.h (lang_identify): Constify a char*.
9704 (print_error_function): Add extern prototype. Constify a char*.
9706 * c-lang.c (lang_identify): Constify a char*.
9708 * objc/objc-act.c (lang_identify): Constify a char*.
9710 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9712 * genpeep.c (main): Make generated file include "function.h".
9713 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
9715 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9717 * Makefile.in: Update dependencies.
9718 * alias.c: Include "function.h"
9719 * c-decl.c: Likewise.
9720 * caller-save.c: Likewise.
9721 * calls.c: Likewise.
9722 * combine.c: Likewise.
9724 * explow.c: Likewise.
9725 * final.c: Likewise.
9726 * global.c: Likewise.
9727 * graph.c: Likewise.
9728 * local-alloc.c: Likewise.
9730 * optabs.c: Likewise.
9731 * profile.c: Likewise.
9732 * recog.c: Likewise.
9733 * regclass.c: Likewise.
9734 * regmove.c: Likewise.
9735 * reload.c: Likewise.
9736 * reorg.c: Likewise.
9737 * resource.c: Likewise.
9738 * sched.c: Likewise.
9739 * stupid.c: Likewise.
9740 * config/1750a/1750a.c: Likewise.
9741 * config/a29k/a29k.c: Likewise.
9742 * config/arc/arc.c: Likewise.
9743 * config/arm/arm.c: Likewise.
9744 * config/arm/thumb.c: Likewise.
9745 * config/c4x/c4x.c: Likewise.
9746 * config/clipper/clipper.c: Likewise.
9747 * config/convex/convex.c: Likewise.
9748 * config/fx80/fx80.c: Likewise.
9749 * config/i860/i860.c: Likewise.
9750 * config/m68k/m68k.c: Likewise.
9751 * config/m88k/m88k.c: Likewise.
9752 * config/mips/mips.c: Likewise.
9753 * config/pdp11/pdp11.c: Likewise.
9754 * config/pyr/pyr.c: Likewise.
9755 * config/romp/romp.c: Likewise.
9756 * config/sh/sh.c: Likewise.
9757 * config/tahoe/tahoe.c: Likewise.
9758 * config/vax/vax.c: Likewise.
9759 * config/we32k/we32k.c: Likewise.
9760 * config/sparc/sparc.c: Include "function.h".
9761 (mem_min_alignment): Test current_function rather than
9762 regno_pointer_align.
9763 * config/pa/pa.c: Likewise.
9764 (compute_frame_size): Delete declaration of
9765 current_function_outgoing_args_size.
9766 * config/arc/arc.h (current_function_varargs): Delete declaration.
9767 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
9769 * config/i370/i370.h (current_function_outgoing_args_size): Delete
9771 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
9772 current_function_uses_pic_offset_table.
9773 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
9774 of current_function_returns_pointer.
9775 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9776 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9777 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9778 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9779 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9780 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9781 * config/m88k/m88k.c: Include "function.h"
9782 (call_used_regs, current_function_pretend_args_size,
9783 current_function_outgoing_args_size, frame_pointer_needed): Delete
9785 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
9787 * config/mips/mips.h (current_function_calls_alloca): Delete
9789 * config/mn10200/mn10200.h (current_function_needs_context,
9790 rtx_equal_function_value_matters): Delete declarations.
9791 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
9792 flag_pic): Delete declarations.
9793 * config/pa/pa.h (current_function_pretend_args_size,
9794 current_function_decl): Delete declarations.
9795 * config/pa/som.h (current_function_varargs): Delete declaration.
9796 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
9798 * config/pyr/pyr.h (current_function_pretend_args_size,
9799 current_function_args_size, current_function_calls_alloca): Delete
9801 * config/sh/sh.h (current_function_varargs): Delete declaration.
9802 * config/sparc/sparc.h (current_function_outgoing_args_size,
9803 current_function_calls_alloca, current_function_decl): Delete
9805 * config/spur/spur.h (current_function_pretend_args_size,
9806 current_function_calls_alloca): Delete declarations.
9807 * config/v850/v850.c (current_function_outgoing_args_size): Delete
9809 * config/vax/vms.h (current_function_name): Delete declaration.
9810 * gcse.c: Include "function.h".
9811 (current_function_name, current_function_calls_setjmp): Delete
9813 * haifa-sched.c: Include "function.h".
9814 (forced_labels): Delete declaration.
9816 * reg-stack.c: Likewise.
9817 * reload1.c: Likewise.
9818 * genemit.c (main): Make generated file include function.h.
9819 * genoutput.c (output_prologue): Likewise.
9821 * builtins.c (saveregs_value, apply_args_value): Delete variables.
9822 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
9823 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
9824 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
9825 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
9826 macros for some of them.
9827 (emit_filename, emit_lineno): Delete declarations.
9828 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
9829 regno_pointer_* variables through current_function.
9830 (gen_inline_header_rtx): Delete function.
9831 (save_emit_status): Delete function.
9832 (set_new_last_label_num): New function.
9833 (clear_emit_caches): New function.
9834 (restore_emit_status): Just clear last_labelnum and call
9836 (get_last_insn_anywhere): Variable sequence_stack is now accessed
9837 through macro seq_stack.
9838 (add_insn_after): Likewise.
9839 (add_insn_before): Likewise.
9840 (remove_insn): Likewise.
9841 (pop_topmost_sequence): Likewise.
9842 (in_sequence_p): Likewise.
9843 (start_sequence_for_rtl_expr): Likewise.
9844 (start_sequence): Likewise, and likewise for
9845 sequence_rtl_expr/seq_rtl_expr.
9846 (push_topmost_sequence): Likewise.
9847 (end_sequence): Likewise.
9848 (init_virtual_regs): Now takes a "struct emit_status *" argument.
9849 All callers changed. Store into that pointer instead of globals.
9850 (init_emit): Allocate emit elt of current_function.
9851 Changes for sequence_rtl_expr/sequence_stack renaming.
9852 Call clear_emit_caches instead of doing it in-line.
9853 Access regno_pointer_* variables through current_function.
9854 (init_emit_once) Don't clear sequence_stack.
9856 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
9858 (arg_pointer_save_area): Delete declaration.
9859 (finish_expr_for_function): Renamed from init_queue; no longer static.
9860 (init_expr): Don't call init_queue.
9861 (save_expr_status, restore_expr_status): Delete functions.
9862 (expand_expr): Changes to reflect new layout of struct function.
9863 Don't access current_function_check_memory_usage when current_function
9865 * expr.h (forced_labels, save_expr_regs, saveregs_value,
9866 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
9867 current_function_outgoing_args_size, current_function_arg_offset_rtx,
9868 current_function_uses_const_pool, function_call_count,
9869 current_function_uses_pic_offset_table, nonlocal_labels,
9870 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
9871 current_function_check_memory_usage, nonlocal_goto_handler_slots,
9872 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
9874 (finish_expr_for_function): Declare.
9875 * flags.h (current_function_has_nonlocal_label,
9876 current_function_has_nonlocal_goto, current_function_is_thunk,
9877 current_function_has_computed_jump): Delete declarations.
9878 * flow.c (forced_labels): Delete declaration.
9879 * function.c (current_function_pops_args,
9880 current_function_returns_struct, current_function_returns_pcc_struct,
9881 current_function_needs_context, current_function_calls_setjmp,
9882 current_function_calls_longjmp, current_function_has_nonlocal_label,
9883 current_function_has_nonlocal_goto, current_function_is_thunk,
9884 current_function_has_computed_jump, current_function_calls_alloca,
9885 current_function_contains_functions, current_function_returns_pointer,
9886 current_function_epilogue_delay_list, current_function_args_size,
9887 current_function_pretend_args_size, current_function_arg_offset_rtx,
9888 current_function_outgoing_args_size, current_function_varargs,
9889 current_function_stdarg, current_function_args_info, cleanup_label,
9890 current_function_name, current_function_uses_const_pool,
9891 current_function_instrument_entry_exit, current_function_return_rtx,
9892 current_function_uses_pic_offset_table, nonlocal_labels,
9893 current_function_internal_arg_pointer, current_function_cannot_inline,
9894 current_function_check_memory_usage, function_call_count,
9895 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
9896 nonlocal_goto_stack_level, return_label, save_expr_regs,
9897 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
9898 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
9899 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
9900 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
9901 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
9903 (push_function_context_to): Don't save them. Don't call
9904 save_storage_status, save_emit_status or save_expr_status.
9905 (pop_function_context_from): Don't restore them. Don't call
9906 restore_storage_status or restore_expr_status.
9907 (get_func_frame_size): New function.
9908 (get_frame_size): Use it.
9909 (assign_outer_stack_local): Reflect some member name changes in struct
9911 (put_reg_into_stack): Likewise.
9912 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
9914 (fixup_var_refs): Likewise.
9915 (fix_lexical_addr): Likewise.
9916 (trampoline_address): Likewise.
9917 (prepare_function_start): Clear field inlinable of current_function.
9918 (init_function_for_compilation): New function.
9919 (expand_dummy_function_end): New function.
9920 (expand_function_end): Call finish_expr_for_function.
9921 * function.h (struct emit_status): New; fields moved here from struct
9922 function and from global variables. Add accessor macros for some of
9924 (struct expr_status): Likewise.
9925 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
9926 (struct function): Add fields expr and emit, inlinable, inl_emit,
9927 original_arg_vector, original_decl_initial, inl_last_parm_insn,
9928 inl_max_label_num. Add many comments.
9929 Add accessor macros for all elts of struct function that no longer
9930 have a global variable.
9931 (cleanup_label, return_label, frame_offset, tail_recursion_label,
9932 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
9933 stack_slot_list): Delete declarations.
9934 (get_func_frame_size): Declare.
9935 (save_expr_status, restore_expr_status, save_emit_status,
9936 save_storage_status, restore_storage_status): Delete declarations.
9937 (init_virtual_regs): Declare.
9938 * output.h (current_function_pops_args,
9939 current_function_returns_struct, current_function_returns_pcc_struct,
9940 current_function_needs_context, current_function_calls_setjmp,
9941 current_function_calls_longjmp, current_function_calls_alloca,
9942 current_function_has_nonlocal_label, current_function_varargs,
9943 current_function_has_computed_jump, current_function_returns_pointer,
9944 current_function_contains_functions, current_function_args_size,
9945 current_function_pretend_args_size, current_function_stdarg,
9946 current_function_outgoing_args_size, current_function_args_info,
9947 current_function_name, current_function_return_rtx,
9948 current_function_epilogue_delay_list,
9949 current_function_uses_const_pool, current_function_cannot_inline):
9950 Delete declarations.
9951 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
9952 regno_reg_rtx): Delete declaration.
9953 (REGNO_POINTER_FLAG): Delete macro.
9954 * stmt.c (expand_goto): Changes to reflect that some fields in struct
9955 function were renamed.
9956 * stor-layout.c (save_storage_status, restore_storage_status): Delete
9958 * toplev.c: Include "function.h".
9959 (current_function_decl): Delete declaration.
9960 (compile_file): Call init_dummy_function_start and
9961 expand_dummy_function_end around some initializations that need to
9963 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
9964 Call init_function_for_compilation.
9965 * unroll.c: Include "function.h"
9966 (unroll_loop): Access regno_pointer_* variables through
9969 * tree.h (struct tree_decl): Add elt f to saved_insns member.
9970 (DECL_SAVED_INSNS): use it.
9971 (expand_dummy_function_end): Declare.
9972 (init_function_for_compilation): Declare.
9973 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
9974 that it's no longer an INLINE_HEADER.
9975 (expand_call): Likewise.
9976 * integrate.c (finish_inline): Delete function.
9977 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
9978 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
9979 args. Don't generate an INLINE_HEADER rtx, just return the arg
9980 vector. All callers changed.
9981 (save_for_inline_copying): Create a duplicate struct emit_status to
9982 hold the emit state for compiling the current function. Use this and
9983 the other new fields in struct function that are for integration
9984 instead of an INLINE_HEADER.
9985 Use memcpy instead of bcopy.
9986 Store the current struct function in DECL_SAVED_INSNS of fndecl.
9987 (save_for_inline_nocopy): Similar changes, except no new emit_status
9989 (expand_inline_function): Get information from function structure,
9990 not from an inline header rtx.
9991 (output_inline_function): Lose code to extract the necessary
9992 information from an inline header; simply put back the function
9993 structure into current_function. Clear its inlinable elt.
9994 * rtl.def (INLINE_HEADER): Delete.
9995 * rtl.h: Delete all accessors for an INLINE_HEADER.
9996 (gen_inline_header_rtx): Delete declaration.
9997 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
9998 Delete declarations.
9999 (REGNO_POINTER_ALIGN): Delete.
10000 (clear_emit_caches): Declare.
10001 (set_new_last_label_num): Declare.
10003 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
10005 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
10007 * except.c (expand_eh_region_start_for_decl): Always start a new block.
10008 * stmt.c (is_eh_region): Make sure current_function is present, too.
10010 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
10012 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
10013 for 64bit PA targets.
10015 * pa.h (SELECT_SECTION): Define.
10016 * som.h (SELECT_SECTION): Delete.
10018 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10020 * alias.c (init_alias_analysis): Wrap call to
10021 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
10023 1999-08-07 Bruce Korb <autogen@linuxbox.com>
10025 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
10026 <sys/asm.h> contains an asm comment with an apostrophe
10027 * fixinc/inclhack.sh: regen
10028 * fixinc/fixincl.x: regen
10030 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
10032 * function.c (init_function_start): Clear prologue & epilogue.
10033 (prologue_epilogue_contains): New function.
10034 * alias.c (init_alias_analysis): Use it.
10035 * rtl.h (prologue_epilogue_contains): Declare it.
10037 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
10039 * jump.c (onlyjump_p): New function.
10040 * rtl.h: Declare it.
10041 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
10042 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
10044 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
10046 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
10047 to invert loops. Simplify block scanning.
10049 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10051 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
10052 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
10054 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
10056 * config/sparc/liteelf.h: New file to support sparclite-elf target
10057 * config/sparc/t-sp86x: New file to support sparc86x targets
10058 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
10059 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
10060 * configure.in: Support above target triplets
10061 * configure: Regenerated
10063 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
10065 * fixinc/server.c (server_setup): Do not prefix function used as
10066 parameter with `&'.
10068 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
10070 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
10071 Remove fp reg alternatives.
10073 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
10075 * Makefile.in (TAROUTOPTS): Kill.
10076 (install-headers-tar): Use "xpf" for tar headerfile extraction
10077 * i370/x-oe (TAROUTOPTS): Delete.
10078 * m68k/x-apollo68 (TAROUTOPTS): Delete.
10079 * m68k/x-hp320 (TAROUTOPTS): Delete.
10080 * m68k/x-hp320g (TAROUTOPTS): Delete.
10081 * gcc.texi: Update bug reporting text.
10083 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10085 * reg-stack.c (change_stack) Fixed problem with negative array index.
10087 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
10089 * extend.texi, install.texi: Fix spelling mistakes.
10091 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
10092 (s-attrtab); No longer try to use pre-made insn-attrtab file.
10093 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
10094 PREMADE_ATTRTAB_MD.
10095 * mips/t-ecoff: Likewise.
10096 * mips/t-elf: Likewise.
10097 * mips/t-mips: Likewise.
10098 * mips/t-osfrose: Likewise.
10099 * mips/t-r3900: Likewise.
10100 * mips/t-svr3: Likewise.
10101 * mips/t-svr4: Likewise.
10102 * mips/t-ultrix: Likewise.
10104 * gcc.texi: Document recommend means to provide software floating
10105 point libraries in libgcc.a
10107 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
10109 * c-lex.c (yylex): We can have a number with no digits.
10111 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
10113 * jump.c (delete_prior_computation): New function, broken
10114 out of delete_computation. Check for side effects with
10115 side_effects_p instead of FIND_REG_INC_NOTE. Handle
10116 multi-word hard registers.
10117 (delete_computation): Use it. Check for side effects with
10118 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
10119 missing REG_DEAD note for a register which is both set and
10122 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
10124 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
10125 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
10126 (ASM_FILE_START): Import _mcount with the right type.
10127 (ASM_DECLARE_FUNCTION_NAME): Define.
10128 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
10129 * pa.c (output_function_prologue): Always emit the function's label
10131 * pa.h (TEXT_SPACE_P): Define.
10132 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
10133 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
10134 * som.h (TEXT_SPACE_P): Delete.
10135 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
10136 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
10138 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
10140 * expr.c (emit_group_load): Allow src to be a CONCAT.
10142 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10144 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
10145 (___mulsi3): Use '!' comment character.
10147 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10149 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
10151 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
10153 * gcc.c: Update URLs and mail addresses.
10154 * gcc.texi: Likewise.
10156 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
10158 * rs6000.c (current_file_function_operand): Return zero for
10160 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
10162 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
10165 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
10167 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
10168 allocate space in the stack frame for the PIC register.
10170 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
10172 * m68k.md (xordi3, anddi3): These patterns are not available on
10175 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
10177 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
10178 (PUT_REAL): Likewise.
10180 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10182 * final.c (shorten_branches): Don't add an alignment for loops
10183 that have no label inside.
10185 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10187 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
10188 prototypes in macro HAVE_cmpstrsi.
10190 * cpplib.c (cpp_get_token): Remove unused label `op3'.
10192 * emit-rtl.c (operand_subword): Remove unused variable
10195 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
10197 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
10199 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
10201 * cpphash.c (macroexpand): Delete leading whitespace when arg
10202 is concatenated before.
10203 (unsafe_chars): Correct test for whether + and - can extend a
10206 * cppinit.c (cpp_start_read): Do dependencies for
10207 -include/-imacros files also.
10209 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
10210 tokenizing non-directive lines.
10211 (cpp_expand_to_buffer): Temporarily disable no-output mode.
10212 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
10215 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
10217 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
10219 * c-lex.c: Sync with C++ frontend.
10220 (linemode): New variable.
10221 (parse_float): imag, conversion_errno, and type are output only.
10222 (yylex): Adjust. Move initial '.' case into main switch.
10224 (handle_generic_pragma): Just deal with tokens.
10225 (readescape): Use ISXDIGIT and ISGRAPH.
10226 * c-parse.in: Add END_OF_LINE token.
10228 * c-lex.c (lang_init): Generalize.
10229 (nextchar): Remove. Replace uses with UNGETC.
10230 (skip_white_space): Handle linemode here. Optimize for cpplib.
10231 (skip_white_space_on_line): Remove.
10232 (extend_token_buffer_to): New fn.
10233 (extend_token_buffer): Use it.
10234 (read_line_number, check_newline): Just deal with tokens.
10235 (token_getch, token_put_back): New fns.
10236 (yylex): Use them. More cpplib optimizations. Simplify.
10238 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
10239 Jason Merrill <jason@yorick.cygnus.com>
10241 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
10242 (consume_string): Make this smart about USE_CPPLIB.
10243 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
10244 (yylex): Rewrite to be intelligent about USE_CPPLIB.
10245 Also, clean up cases where we redundantly set token_buffer[0].
10246 (read_line_number): New fn.
10247 (ignore_escape_flag): New variable.
10249 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
10251 * a29k/t-a29kbare: Fix some comments.
10252 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
10253 (FPBIT, DPBIT): Define.
10254 * a29k/t-vx29k: Likewise.
10255 * arc/t-arc: Likewise.
10256 * arm/t-arm-elf: Likewise.
10257 * arm/t-bare: Likewise.
10258 * arm/t-pe: Likewise.
10259 * arm/t-pe-thumb: Likewise.
10260 * arm/t-semi: Likewise.
10261 * arm/t-thumb: Likewise.
10262 * arm/t-thumb-elf: Likewise.
10263 * arm/t-thumb-linux: Likewise.
10264 * h8300/t-h8300: Likewise.
10265 * i960/t-i960: Likewise.
10266 * i960/t-vxworks960: Likewise.
10267 * m32r/t-m32r: Likewise.
10268 * mips/t-ecoff: Likewise.
10269 * mips/t-elf: Likewise.
10270 * mips/t-r3900: Likewise.
10271 * pa/t-pro: Likewise.
10272 * rs6000/t-aix43: Likewise.
10273 * rs6000/t-beos: Likewise.
10274 * rs6000/t-newas: Likewise.
10275 * rs6000/t-ppccomm: Likewise.
10276 * rs6000/t-rs6000: Likewise.
10277 * rs6000/t-winnt: Likewise.
10278 * rs6000/t-xnewas: Likewise.
10279 * rs6000/t-xrs6000: Likewise.
10280 * sh/t-sh: Likewise.
10281 * sparc/t-elf: Likewise.
10282 * sparc/t-sparcbare: Likewise.
10283 * sparc/t-sparclite: Likewise.
10284 * sparc/t-splet: Likewise.
10285 * v850/t-v850: Likewise.
10286 * mn10200/t-mn10200: Fix comments.
10287 * mn10300/t-mn10300: Likewise.
10289 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
10290 dummy operand. Allocate a new pseudo for the dummy operand.
10291 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
10293 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
10295 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
10297 * configure: Rebuilt.
10298 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
10300 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
10302 * recog.c (preproces_constraints): Zero recog_op_alt before
10303 processing the constraints.
10305 * arm.c (typedef minipool_node): Renamed from pool_node.
10306 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
10307 (add_minipool_constant): New function.
10308 (dump_minipool): New function.
10309 (find_barrier): Remove special case for getting the insn size of
10310 an insn that references the constant pool.
10311 (minipool_fixup): New structure.
10312 (push_minipool_barrier): New function.
10313 (push_minipool_fix): New function.
10314 (note_invalid_constants): New function.
10315 (add_pool_constant, dump_table, fixit, broken_move): Delete.
10316 (arm_reorg): Rewrite code to fix up the constant pool into a
10317 series of mini-pools embedded in the insn stream.
10318 (arm_output_epilogue): New function, made mainly from the body
10319 of output_func_epilogue.
10320 (output_func_epilogue): Move insn generation part of epilogue code
10321 to arm_output_epilogue.
10322 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
10323 * arm.md (pool_range): New attribute.
10324 (zero_extendqidi2): Add attribute pool_range.
10325 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
10326 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
10327 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
10328 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
10329 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
10330 (epilogue): New expand.
10331 (epilogue_insn): New insn. Call arm_output_epilogue.
10333 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
10334 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
10336 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
10338 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
10340 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
10342 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
10344 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
10346 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
10348 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
10350 * global.c: Fix comment.
10352 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
10354 * gcc.c (access_check): New static function.
10355 (find_a_file): Use it when searching a directory list.
10356 * collect2.c (find_a_file): Don't accept directories found when
10357 searching a directory list.
10359 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
10361 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
10362 function parameters with `&'.
10363 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
10365 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
10367 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
10368 or tidy_fallthru_edge if the last insn in the block is not
10369 an unconditional jump or a simple conditional jump.
10371 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10373 * Makefile.in (c-decl.o): Depends on defaults.h.
10375 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
10377 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
10379 (CLASS_MAX_NREGS): Likewise.
10381 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
10383 * cse.c (cse_insn): Fix dumb thinko in last change.
10385 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10387 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
10390 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
10392 * dwarf2out.c (add_location_or_const_value_attribute): Correct
10393 test for sizes of passed and declared parameter types.
10395 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10397 * fixincludes: Fix the return type of bsearch, char* -> void*.
10399 * fixinc/inclhack.def: Likewise.
10401 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
10403 * invoke.texi (-fdump-translation-unit): New option.
10405 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
10407 * expr.h (PROMOTE_PROTOTYPES): Move ...
10408 * defaults.h: ... to here.
10409 * c-decl.c: Include defaults.h instead of expr.h.
10410 * c-typeck.c: Include defaults.h.
10412 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
10414 * toplev.h (errorcount): Declare.
10415 (warningcount): Likewise.
10416 (sorrycount): Likewise.
10417 * c-lex.c (errorcount): Don't declare.
10418 * dwarf2out.c (errorcount): Don't declare.
10420 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
10422 * config/libgloss.h: Add a note discouraging use with ELF.
10423 * configure.in: Don't use libgloss.h for ELF targets.
10424 Always use_collect2 on a.out targets.
10426 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
10428 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
10429 (force_to_mode, case ASHIFTRT): Add shiftrt label.
10431 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10433 * loop.c (strength_reduce): When doing biv->giv conversion, update
10434 reg note of NEXT->insn.
10436 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10438 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
10440 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10442 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
10443 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
10444 Ensure expr.h is included.
10445 * c-typecheck.c (convert_arguments): Ditto.
10447 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
10449 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
10450 * config/convex/convex.h: Ditto.
10451 * config/dsp16xx/dsp16xx.h: Ditto.
10452 * config/fx80/fx80.h: Ditto.
10453 * config/gmicro/gmicro.h: Ditto.
10454 * config/i370/i370.h: Ditto.
10455 * config/i386/i386.h: Ditto.
10456 * config/m32r/m32r.h: Ditto.
10457 * config/m68k/m68k.h: Ditto.
10458 * config/m88k/m88k.h: Ditto.
10459 * config/mips/mips.h: Ditto.
10460 * config/pa/pa.h: Ditto.
10461 * config/pyr/pyr.h: Ditto.
10462 * config/tahoe/tahoe.h: Ditto.
10463 * config/we32k/we32k.h: Ditto.
10465 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
10466 based on arch size.
10468 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
10470 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
10473 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
10475 1999-08-02 Richard Henderson <rth@cygnus.com>
10477 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
10478 for the register spill block.
10479 (m32r_va_arg): New.
10480 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
10481 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
10483 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
10484 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
10485 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
10487 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10489 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
10490 MAX_WCHAR_TYPE defined in sparc.h.
10491 * config/sparc/linuxaout.h: Likewise.
10492 * config/sparc/linux64.h: Likewise.
10493 Also default to -mvis if CPU is UltraSPARC.
10495 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10497 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
10498 (RTX_OK_FOR_OLO10): Likewise.
10499 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
10500 %lo(), allow it in addresses...
10501 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
10502 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
10503 does not make sense.
10504 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
10505 (sparc_output_scratch_registers): New function.
10506 (output_function_prologue, sparc_flat_output_function_prologue): Use
10508 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
10510 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
10511 * configure.in: Add check for .register pseudo-op support in as and
10512 check for offsetable %lo().
10513 * acconfig.h: Add templates for the above checks.
10514 * configure: Regenerate.
10516 1999-08-02 Richard Henderson <rth@cygnus.com>
10518 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
10519 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
10520 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
10522 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10524 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
10527 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10529 * config/float-sparc.h: New file.
10530 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
10531 sparc-*-linux-gnu and sparc64-*-linux*.
10533 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10535 * rs6000.c (rs6000_va_list): Type is an array.
10536 (rs6000_va_start): Don't doubly adjust for varargs.
10537 (rs6000_va_arg): Evaluate long long GPR adjustment.
10539 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
10541 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
10542 -maix64 and -maix32.
10543 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
10544 LINK_SPEC): Change appropriately.
10545 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
10546 (u_short_cint_operand): Likewise.
10547 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
10549 * rs6000/t-aix43 (MULTILIB): Change to -m64.
10551 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
10553 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
10555 * rs6000/rs6000.c (num_insns_constant_wide): Correct
10556 for type promotion.
10557 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
10558 (non_add_cint_operand): Likewise.
10559 (logical_operand): Likewise.
10560 (non_logical_cint_operand): Likewise.
10561 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
10562 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
10563 (rs6000_select_rtx_section): Suppress warning.
10564 (small_data_operand): Suppress warning.
10565 (rs6000_got_register): Suppress warning.
10566 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
10567 type, so `J' is generally the wrong constraint for a SImode value;
10569 (andsi3_internal2): Likewise.
10570 (andsi3_internal3): Likewise.
10571 (iorsi3_internal1): Likewise.
10572 (xorsi3_internal1): Likewise.
10574 (movsf_softfloat): Likewise.
10575 (scc insns): Likewise.
10576 (movsi+2): Preserve sign bits of SImode constant.
10577 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
10578 (movdf+1): Sign-extend properly.
10579 (movdi_32+1): Sign-extend properly.
10580 (scc insns): Sign-extend properly.
10582 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
10585 1999-08-02 Richard Henderson <rth@cygnus.com>
10587 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
10588 -mcpu parsing code.
10589 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
10590 * alpha.md (all fp insns): Likewise.
10592 1999-08-02 Nick Clifton <nickc@cygnus.com>
10594 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
10597 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
10599 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
10600 pic_load_label generator directly.
10601 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
10602 No longer a named pattern.
10604 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
10606 * explow.c (force_reg): Call force_operand if X does not
10607 satisfy general_operand.
10609 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
10611 * fix-header.c (main): When testing for CONTINUED, use string
10612 equality, not pointer equality.
10614 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
10616 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
10618 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
10620 * cse.c (cse_insn): Fix loop which deletes insns after a jump
10621 that has become an unconditional jump.
10623 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
10624 (output_function_epilogue): Similarly.
10626 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10628 * tree.h (init_dummy_function_start): Declare.
10630 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10632 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
10633 last_expr_type, last_expr_value, block_start_count, block_stack,
10634 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
10635 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
10636 dynamically in stmt elt of struct function for each function.
10637 (struct nesting): Rename function_call_count elt to n_function_calls,
10638 target_temp_slot_level to block_target_temp_slot_level. All users
10640 (struct stmt_status): New structure definition.
10641 Add many accessor macros for stmt_status elements which previously
10642 were global variables.
10643 (init_stmt_for_function): Allocate stmt elt for current_function.
10644 Reflect that block_start_count was renamed to
10645 current_block_start_count.
10646 (save_stmt_status, restore_stmt_status): Delete functions.
10647 (preserve_subexpressions_p): Don't access loop_stack when outside
10649 (expand_start_bindings): Reflect that block_start_count was renamed to
10650 current_block_start_count.
10651 (expand_fixup): Likewise.
10652 (expand_decl): Don't access block_stack when outside a function.
10653 (expand_decl_cleanup): Likewise.
10654 (expand_dcc_cleanup): Likewise.
10655 (expand_dhc_cleanup): Likewise.
10656 (expand_anon_union_decl): Likewise.
10657 (set_file_and_line_for_stmt): New function.
10658 (in_control_zone_p): New function.
10660 * function.h (struct function): Add new elt stmt.
10661 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
10662 case_stack, nesting_stack, nesting_depth, block_start_count,
10663 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
10664 emit_lineno, goto_fixup_chain.
10665 (save_eh_status, restore_eh_status, save_stmt_status,
10666 restore_stmt_status): Delete declarations.
10667 * function.c (push_function_context_to): Don't call save_stmt_status.
10668 (pop_function_context_to): Don't call restore_stmt_status.
10669 * tree.h (in_control_zone_p): Declare.
10670 * rtl.h (set_file_and_line_for_stmt): Declare.
10672 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
10673 call set_file_and_line_for_stmt.
10675 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
10677 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
10678 Also update copyright.
10680 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10682 * c-pragma.c: Don't include "except.h".
10683 * emit-rtl.c: Likewise.
10684 * stor-layout.c: Likewise.
10685 * tree.c: Likewise.
10686 * varasm.c: Likewise.
10688 * flow.c: Include "function.h".
10689 * tree.h (init_dummy_function_start): Declare new function.
10691 * except.h (struct eh_status): New structure.
10692 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
10694 (eh_return_stub_label, ehstack, catchstack, ehqueue,
10695 catch_clauses, false_label_stack, caught_return_label_stack,
10696 protect_list, current_function_ehc): Add accessor macros for the
10697 corresponding fields in current_function->eh; delete declarations
10698 for all items that used to be declared here.
10699 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
10700 catch_clauses, false_label_stack, caught_return_label_stack,
10701 protect_list, current_function_ehc): Delete variables.
10702 (init_eh_for_function): Allocate current_function->eh.
10703 (save_eh_status, restore_eh_status): Delete functions.
10705 * function.h (struct function): Add fields next_global and eh.
10706 Delete all exception handling related fields.
10707 * function.c (current_function): New variable.
10708 (all_functions): New variable.
10709 (push_function_context_to): Don't allocate a struct function,
10710 use current_function instead. Call init_dummy_function_start when
10711 outside a function. Clear current_function before returning.
10712 (pop_function_context_from): Restore current_function.
10713 Don't free the restored struct function.
10714 (prepare_function_start): New function.
10715 (init_dummy_function_start): New function.
10716 (init_function_start): Break out some code into prepare_function_start
10719 * stmt.c (save_stmt_status): Don't call save_eh_status.
10720 (restore_stmt_status): Don't call restore_eh_status.
10722 * Makefile.in: Update dependencies.
10724 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
10726 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
10727 of depending on a magic constant value. Update comments.
10728 (hppa_expand_prologue): Similarly.
10730 * pa.md (reload_indi, reload_outdi): Allow any register for the
10731 original reload register.
10733 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
10735 * cccp.c (print_help): Change marcos to macros.
10737 1999-07-30 Richard Henderson <rth@cygnus.com>
10739 * c-typeck.c (initializer_constant_valid_p): Move ...
10740 * c-common.c (initializer_constant_valid_p): ... here. Use
10741 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
10742 of label addresses.
10743 * c-common.h (initializer_constant_valid_p): Declare.
10744 * c-tree.h (initializer_constant_valid_p): Remove.
10746 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
10748 * config/i386/sol2-c1.asm: Align the stack.
10749 * config/i386/sol2-gc1.asm: Likewise.
10751 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
10753 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
10754 -Asparclite for sparc86x.
10755 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
10757 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
10759 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
10761 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
10762 the user if using the non-default arch size in BI_ARCH configuration.
10763 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
10765 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
10766 Fix patterns so that they actually match.
10767 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
10768 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
10769 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
10771 (mulsidi3): Reflect this in the expand.
10772 (smulsi3_highpart): Only on TARGET_ARCH32.
10773 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
10774 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
10775 (umulsidi3): Reflect this in the expand.
10776 (umulsi3_highpart): Only on TARGET_ARCH32.
10777 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
10778 don't require g0 to be zero.
10779 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
10780 ({,u}divsi3): New expands.
10781 ({,u}divsi3_sp64): New patterns.
10782 (after lshrdi3_v8plus): Four new patterns to help combiner
10783 optimizing nested mixed mode shifts.
10785 * config/sparc/sparc.c (sparc_override_options): Use deprecated
10786 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
10787 speed things up. Don't use them by default on plain v9 in 64bit
10788 mode, according to what SPAMv9 sais.
10790 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
10791 top 32 bits of %[og][0-7] in signal handlers.
10792 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
10794 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
10796 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
10797 (ashlsi3): Corresponding changes.
10799 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
10801 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
10803 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
10805 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10807 * arm.h (Hint): Delete macro.
10808 Substitute HOST_WIDE_INT for Hint in some prototypes.
10809 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
10811 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
10813 * builtins.c (expand_builtin_setjmp): Use force_operand to
10814 make sure that the buffer address is in a suitable form to be
10815 passed to force_reg.
10817 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
10819 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
10822 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
10824 * pa.md (indirect_jump): Remove mode from match_operand. Verify
10825 proper mode in the condition string.
10826 (icacheflush, dcacheflush): Remove modes from match_operands.
10828 * pa.c (emit_move_sequence): Always convert scratch_reg to the
10829 proper mode before using it.
10831 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
10834 * pa.c (store_reg): Do not call add_high_const generator directly.
10835 (load_reg, set_reg_plus_d): Likewise.
10836 * pa.md (add_high_const): No longer a named pattern.
10838 * pa.c (legitimize_address): Consistently use Pmode rather than
10839 SImode. Do not call gen_pic2_highpart directly anymore.
10840 * pa.md (pic2_highpart): No longer a named pattern.
10841 (pic2_lo_sum): Similarly. Reformat to make more readable.
10843 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
10848 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10850 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
10852 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
10854 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
10855 and tag the spill mems.
10856 (hppa_va_start): New.
10857 (hppa_va_arg): New.
10858 * pa.h (EXPAND_BUILTIN_VA_START): New.
10859 (EXPAND_BUILTIN_VA_ARG): New.
10861 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
10863 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
10864 and tag the spill mems.
10865 (mn10300_va_start): New.
10866 (mn10300_va_arg): New.
10867 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
10868 (EXPAND_BUILTIN_VA_ARG): New.
10870 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
10872 * mn10200.c (mn10200_va_arg): New.
10873 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
10875 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
10877 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
10878 rather than play with TREE_INT_CST_LOW.
10880 1999-07-27 Philip Blundell <pb@nexus.co.uk>
10882 * config/arm/telf.h: Include dbxelf.h.
10883 (CPP_PREDEFINES): Only define if not already defined.
10884 (ASM_IDENTIFY_GCC): Likewise.
10885 (SUBTARGET_EXTRA_SECTIONS): Likewise.
10886 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
10887 * config/arm/thumb.h (LINK_SPEC): Only define if not already
10889 (DBX_DEBUGGING_INFO): Don't define.
10890 * config/arm/linux-telf.h: New file.
10891 * config/arm/linux-tgas.h: New file.
10892 * config/arm/t-thumb-linux: New file.
10893 * config/arm/uclinux-elf.h: New file.
10894 * config/arm/uclinux-telf.h: New file.
10895 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
10896 thumb-*-uclinux): New targets.
10897 * configure: Regenerate.
10899 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
10901 * pa.md (post_store, pre_load): New expanders.
10902 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
10903 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
10904 need to directly generate RTL for them.
10905 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
10908 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
10910 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
10911 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
10912 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
10913 (secndary_reload_class): Make TARGET_ELF conditional compile.
10914 (print_operand_address): Similar.
10915 (output_toc): Print all values as hex.
10916 (get_issue_rate): Rearrange and add RS64A and PPC630.
10917 * rs6000.h (processor_type): Add RS64A and PPC630.
10918 (PROCESSOR_POWERPC64): New.
10919 (PROMOTE_MODE): Use word_mode.
10920 (RTX_COSTS): Add RS64A and PPC630.
10921 * rs6000.md (scheduling information): Add lmul and ldiv
10922 representing 64-bit integer multiply and divide. Add rs64a and
10923 PPC630 information.
10924 (ashldi3): Add support for "rldic" instruction.
10925 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
10927 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
10929 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
10930 instead of V8 for sparclite86x in cpu_table.
10932 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10934 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
10935 output_file_directive.
10937 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
10939 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
10940 tree for op1, not the rtl.
10942 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
10944 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
10945 to m88k_va_start, leaving only the register spill.
10946 (m88k_build_va_list): New.
10947 (m88k_va_start): New.
10948 (m88k_va_arg): New.
10949 * m88k.h (BUILD_VA_LIST_TYPE): New.
10950 (EXPAND_BUILTIN_VA_START): New.
10951 (EXPAND_BUILTIN_VA_ARG): New.
10953 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
10955 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
10956 Rename from expand_builtin_saveregs.
10957 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
10959 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
10961 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
10962 for the register spill block.
10963 (i960_build_va_list): New.
10964 (i960_va_start): New.
10965 (i960_va_arg): New.
10966 * i960.h (BUILD_VA_LIST_TYPE): New.
10967 (EXPAND_BUILTIN_VA_START): New.
10968 (EXPAND_BUILTIN_VA_ARG): New.
10969 * i960.md (store_multiple): Use change_address on individul mems.
10971 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
10973 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
10975 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
10976 (expand_builtin_va_end): Evaluate arg for side effects.
10977 * c-common.c (c_common_nodes_and_builtins): Construct a
10978 va_list_arg_type_node to handle array decomposition to pointer.
10980 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
10982 * except.c (start_dynamic_cleanup): Use force_operand on the
10985 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
10987 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
10988 * c4x.c (c4x_va_arg): New.
10990 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
10992 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
10993 has manual_pop set.
10995 1999-07-26 Nathan Sidwell <nathan@acm.org>
10997 * eh-common.h (__eh_matcher): Prototype correctly.
10999 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
11001 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
11002 (TARGET_SINGLE_PIC_BASE): Likewise.
11003 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
11005 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
11006 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
11007 (TARGET_OPTIONS): Add -mpic-register=N.
11008 (OUTPUT_INT_ADDR_CONST): New macro.
11009 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
11010 LEGITIMATE_PIC_OPERAND_P): Likewise.
11011 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
11012 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
11013 output_addr_const directly.
11014 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
11016 (thumb_pic_register, thumb_pic_register_string): Declare.
11018 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
11020 (label_mentioned_p): New function: Imported from arm.c.
11021 (legitimize_pic_address): New function: Imported from arm.c.
11022 (is_pic):New function: Imported from arm.c.
11023 (thumb_finalize_pic):New function: Imported from arm.c.
11024 (add_constant): Cope with PIC constants.
11025 (fixit): Cope with PIC constants.
11026 (output_return): Do not treat the PIC register as live if
11027 TARGET_SINGLE_PIC_BASE is true.
11028 (thumb_function_prologue): Do not treat the PIC register as live if
11029 TARGET_SINGLE_PIC_BASE is true.
11030 (thumb_expand_prologue): Do not treat the PIC register as live if
11031 TARGET_SINGLE_PIC_BASE is true.
11032 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
11033 TARGET_SINGLE_PIC_BASE is true.
11034 (thumb_print_operand): Accept '|'.
11035 (thumb_override_options): Process PIC options.
11037 * config/arm/thumb.md (movsi): Support PIC.
11038 (call_insn): Change "i" constraint to "X".
11039 (call_value_insn): Likewise.
11040 (consttable_4, consttable_8, consttable_end): Set and clear
11041 "making_const_table" as appropriate.
11042 (pic_load_addr, pic_add_dot_plus_four): New insns.
11044 * invoke.texi (Thumb Options): Fix spelling. Document new
11045 options -msingle-pic-base and -mpic-register=.
11047 1999-07-26 Andrew Haley <aph@cygnus.com>
11049 * config/m32r/initfini.c (__init): Use a full word immediate for
11050 __fini: this allows it to be placed in any memory region.
11052 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
11053 -mmodel=medium. This is OK for all memory models.
11055 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
11057 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
11058 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
11060 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
11062 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
11065 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
11067 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
11069 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
11070 (BUILD_VA_LIST_TYPE): New.
11071 (EXPAND_BUILTIN_VA_START): New.
11072 (EXPAND_BUILTIN_VA_ARG): New.
11073 * i860.c (output_delayed_branch): Disable.
11074 (output_delay_insn): Likewise.
11075 (i860_saveregs): New.
11076 (i860_build_va_list): New.
11077 (i860_va_start): New.
11078 (i860_va_arg): New.
11079 * i860.md: Disable all peepholes using output_delayed_branch.
11080 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
11082 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
11084 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
11085 (BUILD_VA_LIST_TYPE): New.
11086 (EXPAND_BUILTIN_VA_START): New.
11087 (EXPAND_BUILTIN_VA_ARG): New.
11088 * clipper.c (clipper_builtin_saveregs): Only dump registers.
11089 Return the address of the save area.
11090 (clipper_build_va_list): New.
11091 (clipper_va_start): New.
11092 (clipper_va_arg): New.
11094 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
11096 * arc.h (EXPAND_BUILTIN_VA_START): New.
11097 (EXPAND_BUILTIN_VA_ARG): New.
11098 * arc.c (arc_setup_incoming_varargs): Set alias set of
11100 (arc_va_start): New.
11103 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
11105 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
11106 (BUILD_VA_LIST_TYPE): New.
11107 (EXPAND_BUILTIN_VA_START): New.
11108 (EXPAND_BUILTIN_VA_ARG): New.
11109 * alpha.c (alpha_builtin_saveregs): Delete.
11110 (alpha_build_va_list): New.
11111 (alpha_va_start): New.
11112 (alpha_va_arg): New.
11114 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
11116 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
11118 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
11119 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
11121 * gcc.texi: More changes related to list conversion.
11122 * invoke.texi: Likewise.
11124 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
11126 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
11127 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
11128 (expand_builtin_next_arg): Accept ARGLIST not EXP.
11129 (stabilize_va_list): New function.
11130 (std_expand_builtin_va_start): New function.
11131 (expand_builtin_va_start): New function.
11132 (get_varargs_alias_set): New function.
11133 (std_expand_builtin_va_arg): New function.
11134 (expand_builtin_va_arg): New function.
11135 (expand_builtin_va_end): New function.
11136 (expand_builtin_va_copy): New function.
11137 (expand_builtin): Call them.
11138 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
11139 __builtin_{varargs_start,stdarg_start,end,copy}.
11140 (build_va_arg): New function.
11141 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
11142 (build_va_arg): Declare.
11143 * c-decl.c (ptr_type_node, va_list_type_node): New.
11144 * c-parse.gperf (__builtin_va_arg): New.
11145 * c-parse.in (VA_ARG): New token.
11146 (unary_expr): Recognize it.
11147 * expr.c (expand_expr): Expand VA_ARG_EXPR.
11148 * expr.h (std_expand_builtin_va_start): Declare.
11149 (std_expand_builtin_va_arg): Declare.
11150 (expand_builtin_va_arg): Declare.
11151 (get_varargs_alias_set): Declare.
11152 * tree.def (VA_ARG_EXPR): New.
11153 * tree.h (BUILT_IN_VARARGS_START): New.
11154 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
11155 (ptr_type_node, va_list_type_node): Declare.
11156 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
11157 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
11158 * m88k.h, m88k.c: Likewise.
11159 * mn10300.h, mn10300.c: Likewise.
11160 * pa.h, pa.c: Likewise.
11161 * rs6000.h, rs6000.c: Likewise.
11162 * sh.h, sh.c: Likewise.
11163 * sparc.h, sparc.c: Likewise.
11165 * emit-rtl.c (operand_subword): Copy alias set.
11166 (change_address): Likewise.
11168 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
11170 * pa.c (compute_frame_size): Scan all the used callee saved registers,
11171 not just the first one.
11173 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
11175 * config/arm/arm.h (TARGET_SWITCHES): Add
11176 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
11177 (TARGET_OPTIONS): Add -mpic-register=.
11178 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
11179 (arm_pic_register_string): Declare.
11180 (NEED_PLT_GOT): Delete, replace with ...
11181 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
11182 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
11183 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
11184 * config/arm/arm.c (arm_override_options): Add new option
11186 (arm_pic_register_string): New variable.
11187 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
11188 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
11189 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
11190 (output_return_instruction): Likewise.
11191 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
11192 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
11193 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
11195 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
11196 mention of -msched-prolog. Document new options -msingle-pic-base
11197 and -mpic-register=.
11199 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
11201 * haifa-sched.c (reemit_notes): Tidy.
11202 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
11205 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
11207 * explow.c (trunc_int_for_mode): New function.
11208 (plus_constant_wide): Use it.
11209 * combine.c (simplify_and_const_int): Likewise.
11210 (merge_outer_ops): Likewise.
11211 (simplify_shift_const): Likewise.
11212 * cse.c (simplify_unary_operation): Likewise.
11213 (simplify_binary_operation): Likewise.
11214 * emit-rtl.c (operand_subword): Likewise.
11215 * rtl.h: Declare it.
11217 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11219 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
11220 (use NUM_REGS instead of NUM_INTS).
11222 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11224 * builtins.c: New file.
11225 * expr.c (saveregs_value, apply_args_value): Delete definition,
11226 moved into builtins.c.
11227 (string_constant): No longer static.
11228 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
11229 apply_args_size, apply_result_size, result_vector,
11230 expand_builtin_apply_args, expand_builtin_apply,
11231 expand_builtin_return): Delete functions, moved into builtins.c.
11232 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
11233 * expr.h (saveregs_value, apply_args_value): Declare variables.
11234 (expand_builtin, string_constant): Declare functions.
11235 * Makefile.in: Update to build builtin.o.
11237 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
11239 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
11240 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
11241 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
11242 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
11244 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
11247 1999-07-21 Michael Meissner <meissner@cygnus.com>
11249 * print-rtl.c (print_rtx): Print the names of the virtual
11252 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
11254 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
11255 introduced in previous delta.
11257 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11259 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
11260 to avoid name clash.
11262 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
11264 * c-lex.c (yylex) : Correct the test for overflow when lexing
11267 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
11269 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
11270 (adjust_priority): Always call ADJUST_PRIORITY.
11271 (schedule_insn): Only put insns into the ready at cost 0.
11272 (schedule_block): Remove redundant initial sort. Give clock_var
11273 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
11275 * tm.texi (MD_SCHED_REORDER): Update docs.
11277 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
11278 * sparc.c (ultra_reorder_called_this_block): Delete.
11279 (ultrasparc_sched_init): Don't set it.
11280 (ultrasparc_sched_reorder): Don't check it.
11282 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
11284 * rs6000.h (struct rs6000_args): Add sysv_gregno.
11285 * rs6000.c (init_cumulative_args): Init sysv_gregno.
11286 (function_arg_boundary): Align DFmode.
11287 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
11288 to get fp reg and stack overflow correct.
11289 (function_arg): Likewise.
11290 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
11291 (setup_incoming_varargs): Restructure for ABI_V4; use
11292 function_arg_advance to skip final named argument.
11293 (expand_builtin_saveregs): Properly unskip the last integer arg
11294 when doing varargs. Adjust overflow location calculation.
11296 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
11297 explicitly unsigned.
11298 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
11299 (__VA_GP_REGSAVE): Similarly.
11300 (__va_longlong_p): Delete.
11301 (__va_arg_type_violation): New declaration.
11302 (va_arg): Restructure. Flag promotion errors. Align double.
11303 TFmode passed by reference.
11305 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
11306 in the HOST_BITS_PER_WIDE_INT > 32 case.
11308 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
11310 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
11312 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
11314 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
11315 * toplev.c (documented_lang_options): Add -fpreprocessed.
11316 * cpplib.h (struct cpp_buffer): Add preprocessed.
11317 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
11318 (cpp_start_read): Don't expand macros or emit an initial #line
11319 directive if -fpreprocessed.
11321 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
11323 * cpplib.h (struct cpp_buffer): Added manual_pop for
11324 better C++ tokenization.
11325 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
11326 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
11327 * c-common.c (cpp_token): Make non-static.
11329 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11331 * c-common.h: New file.
11332 * c-common.c (permanent_obstack): Delete unused declaration.
11333 (c_global_trees): New array.
11334 (c_common_nodes_and_builtins): New function; split off common code
11335 from init_decl_processing in both c-decl.c and cp/decl.c.
11336 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
11337 c_global_trees and accessor macros defined in c-common.h.
11338 Include c-common.h.
11339 * c-decl.c: Delete definitions for tree nodes that were replaced by
11341 (init_decl_processing): Build void_list_node.
11342 Call c_common_nodes_and_builtins; delete code to generate the common
11344 * objc/objc-act.c (build_module_descriptor): Rename variable
11345 void_list_node to avoid clash with c-common.h.
11347 * Makefile.in: Update dependencies.
11348 * objc/Make-lang.in: Likewise.
11350 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
11352 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
11353 (UNIQUE_SECTION_P): Likewise.
11354 (UNIQUE_SECTION): Likewise.
11356 1999-07-19 Linas Vepstas <linas@linas.org>
11358 * config/i370/README: New file.
11359 * config/i370/linux.h: New file.
11360 * config/i370/mvs.h: New file.
11361 * config/i370/oe.h: New file.
11362 * config/i370/t-linux: New file.
11363 * config/i370/t-mvs: New file.
11364 * config/i370/t-oe: New file.
11365 * config/i370/x-oe: New file.
11366 * config/i370/xm-linux.h: New file.
11367 * config/i370/xm-mvs.h: New file.
11368 * config/i370/xm-oe.h: New file.
11370 * i370.c (label_node_t): Add first_ref_page, label_addr,
11371 label_first_ref, label_last_ref members.
11372 (mvs_need_base_reload): Renamed from mvs_label_emitted.
11373 (MAX_MVS_LABEL_SIZE): Define.
11374 (MAX_LONG_LABEL_SIZE): Define.
11375 (alias_node_t, alias_anchor, alias_number): New.
11376 (mvs_function_table): Reorder for EBCDIC.
11377 (ascebc, ebcasc): Unconditionally define.
11378 (i370_branch_dest, i370_branch_length): New functions.
11379 (i370_short_branch, i370_label_scan): New functions.
11380 (mvs_get_label): Renamed from mvs_add_label. Search for
11381 an existing label before creating a new one.
11382 (mvs_add_label): New function.
11383 (mvs_get_label_page): New function.
11384 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
11385 over the entire list.
11386 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
11387 (mvs_check_page) [TARGET_ELF_ABI]: New function.
11388 (mvs_add_alias, mvs_need_alias): New functions.
11389 (mvs_get_alias, mvs_check_alias): New functions.
11390 (handle_pragma): New function.
11391 (mvs_function_check): New function.
11392 (unsigned_jump_follows_p): Search harder.
11393 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
11394 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
11395 * i370.h (TARGET_VERSION): Delete.
11396 (CPP_SPEC, CPP_PREDEFINES): Delete.
11397 (mvs_label_emitted): Delete.
11398 (TARGET_EBCDIC): Delete.
11399 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
11400 (HANDLE_PRAGMA): Define.
11401 (HARD_REGNO_NREGS): Handle complex modes.
11402 (HARD_REGNO_MODE_OK): Likewise.
11403 (CLASS_MAX_NREGS): Likewise.
11404 (RET_REG): Likewise.
11405 (EXTRA_CONSTRAINT): Define.
11406 (RETURN_IN_MEMORY): True for DImode.
11407 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
11408 (FUNCTION_PROFILER): Delete.
11409 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
11410 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
11411 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
11412 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
11413 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
11414 (ASM_FILE_START): Add "RMODE ANY".
11415 (ASM_OUTPUT_EXTERNAL): Check for aliases.
11416 (ASM_GLOBALIZE_LABEL): Likewise.
11417 (ASM_OUTPUT_LABELREF): Likewise.
11418 (ASM_OUTPUT_COMMON): Likewise.
11419 (PRINT_OPERAND): Handle 'K', 'W', default.
11420 (PRINT_OPERAND_ADDRESS): New.
11421 (Lots of defines): Add support for TARGET_ELF_ABI.
11422 * i370.md (attr length): New. Define for all patterns.
11423 (*): Lots of tweeks to assembly output and constraints.
11425 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
11427 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
11428 Disable patterns performing SImode comparisons with SImode values
11429 if TARGET_POWERPC64 and instruction does not sign-extend or does
11430 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
11431 differ for signed quantities.
11432 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
11433 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
11434 (decrement_and_branch_on_count): Add 64-bit variant.
11436 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11438 * final.c (output_asm_insn): When searching for the matching string
11439 for a given dialect, don't run past the end of the list of
11440 alternatives if there are fewer alternatives in the template than
11443 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
11445 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
11446 Removed paragraph about compression of files and size limitation,
11447 duplicated in the FAQ. Use gcc-patches for posting patches.
11448 * gcc.c (main): Updated URL with bug reporting instructions to
11449 gcc.gnu.org. Removed e-mail address.
11450 * system.h (abort): Likewise.
11452 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11454 * Makefile.in (stmp-multilib-sub): Make the files extracted
11455 from $(LIBGCC1) writable.
11457 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
11459 * config/arm/aout.h: Reformat for improved readability.
11461 * config/arm/arm.h: Reformat for improved readability.
11462 Replace uses of fprintf with asm_fprintf where appropriate.
11463 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
11464 function declaration assembler actions.
11465 (NUM_INTS): New macro: Convert from bytes to words.
11466 (NUM_REGS): New macro: Compute number of registers required to
11467 hold a quanitity of tyep MODE.
11468 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
11470 (NUM_ARG_REGS): New macro: The number of argument registers
11472 (ARG_REGISTER): New macro: Compute the register number of the Nth
11474 (LAST_ARG_REGNUM): New macro: The number of the last argument
11476 (SP_REGNUM): New macro: Register number of the stack pointer.
11477 (FP_REGNUM): New macro: Register number of the frame pointer.
11478 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
11479 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
11480 CUMULATIVE_ARGS so that it counts registers not bytes.
11482 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
11484 Replace uses of fprintf with asm_fprintf where appropriate.
11485 (output_ascii_pseudo_op): Replace with version from thumb.c
11487 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
11489 * config/arm/elf.h (CPP_PREDEFINES): Replace with
11490 SUBTARGET_CPP_SPEC.
11491 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
11492 (ASM_FILE_START): Emit ASM_APP_OFF.
11494 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
11496 * pa.c (compute_frame_size): Round frame according to
11497 STACK_BOUNDARY rather than a hardwired value.
11499 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
11501 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
11503 * configure: Rebuilt.
11505 * configure.in (hppa*-*-linux*): New configuration.
11506 * configure: Rebuilt.
11507 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
11508 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
11509 * pa/pa-linux.h: New file.
11510 * pa/t-linux: New file.
11511 * pa/xm-linux.h: New file.
11513 * pa.c (hppa_legitimize_address): Change references from SImode to
11514 either Pmode or word_mode as appropriate.
11515 (emit_move_sequence, store_reg, load_reg): Likewise.
11516 (set_reg_plus_d, hppa_expand_prologue): Likewise.
11517 (output_mul_insn): Likewise.
11518 * pa.h (PROMOTE_MODE): Likewise.
11519 (INITIALZE_TRAMPOLINE): Likewise.
11520 (Pmode): Define to word_mode.
11522 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
11523 value of 4. Allocate 8 bytes for each FP register save.
11524 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
11526 (hppa_expand_prologue): Likewise.
11527 * pa.h (PROMOTE_MODE): Likewise.
11528 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
11529 (FUNCTION_ARG_BOUNDARY): Likewise.
11531 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
11533 * pa.c (out_of_line_prologue_epilogue): Delete.
11534 (override_options): Remove -mspace related code.
11535 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
11536 (compute_frame_size): Only allocate space for register that
11537 actually need to be saved.
11538 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
11539 (TARGET_SWITCHES): Remove -mspace, -mno-space
11540 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
11541 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
11542 * pa/ee.asm, pa/ee_fp.asm: Delete.
11544 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
11546 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
11547 directive in column zero.
11549 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
11551 * m68k.c (output_function_prologue): Fix computation of save mask
11552 when generating PIC code.
11554 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
11556 * tree.c (build_type_attribute_variant): Move current_obstack restore
11557 after build_qualified_type call.
11559 1999-07-15 Mark Mitchell <mark@codesourcery.com>
11561 * configure.in: Use t-iris6, even with GNU LD.
11562 * config/mips/iris6gld.h: Fix typo in linker spec.
11563 * config/mips/t-iris6gld: Remove.
11565 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
11567 * rs6000.md (insv, extzv): Remove SImode dependence in named
11568 patterns. Explicitly generate DImode RTL if PowerPC64 and
11570 (insvdi): Reverse start and size in instruction template.
11572 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
11574 * invoke.texi: Typo fixes.
11576 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
11578 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
11579 handle at this time instead of silently generating incorrect code.
11580 (gen_imagpart): Likewise.
11582 * reload.c (find_reloads): Emit a USE for a pseudo register without
11583 a hard register if we could not create an optional reload for the
11586 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11588 * c-typeck.c (output_init_element, process_init_element):
11589 When advancing constructor_unfilled_fields for a RECORD_TYPE,
11590 check for nameless bit fields.
11592 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
11594 * regclass.c (scan_one_insn): Notice subregs that change the
11595 size of their operand.
11596 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
11598 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
11600 * configure.in (alpha*-*-*): Include alpha/t-ieee.
11601 * configure: Rebuilt.
11602 * alpha/t-ieee: New file.
11604 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
11606 * rs6000.c (find_addr_reg): Do not select r0 as an address
11609 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
11611 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
11613 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
11615 * rs6000.md (movsf): Do not force easy FP constants into memory.
11617 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
11618 immed_double_const to ensure they are properly truncated then
11621 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11623 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
11624 always unless NO_DEBUG is used. Compile this code
11626 (replace_symbols_in_block): Compile it unconditionally.
11628 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
11630 * configure.in (i?86-*-elf*): New target.
11631 * configure: Rebuilt.
11632 * i386/i386elf.h, i386/t-i386elf: New files.
11634 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11636 * toplev.c (main): Don't complain about saying -gdwarf.
11637 (rest_of_compilation): Remove redundant code.
11639 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
11641 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
11643 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
11645 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
11646 "Li960R:", to avoid name clash.
11648 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11650 * loop.c (check_dbra_loop): When reversing a loop, delete all
11651 REG_EQUAL notes referencing the reversed biv except those which are
11652 for a giv based on it.
11654 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
11656 * version.c: Drop "gcc-" prefix from version #.
11658 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
11660 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
11661 the label if we're being verbose.
11663 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
11665 * m68k.c (output_function_prologue): Add pic register to mask
11666 if live and flag_pic.
11667 (output_function_epilogue): Likewise.
11669 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
11671 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
11672 directives in column zero.
11674 * pa/elf.h (ASM_FILE_START): Define.
11675 * pa/som.h (ASM_FILE_START): Include .level directives.
11676 * pa/hpux10.h (ASM_FILE_START): Delete.
11677 * pa/hpux11.h (ASM_FILE_START): Delete.
11679 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
11681 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11683 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
11684 when reload_out equals reload_in.
11686 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
11688 * invoke.texi (Spec Files): New node: Describe the contents of
11691 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
11693 * invoke.texi (DEC Alpha Options): Put @end table at
11694 beginning of line, to avoid confusing texi2html.
11696 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
11698 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
11699 introduced in previous delta.
11701 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11703 * reload1.c (gen_reload): When synthesizing a 3 operand add
11704 sequence, improve test for when to reload OP1 into the reload
11705 register instead of OP0.
11707 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
11709 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
11711 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
11713 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
11716 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
11718 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
11719 (va_dcl): Use __builtin_va_alist_t.
11721 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
11723 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
11724 on the permanent_obstack.
11725 * dwarfout.c (output_type): Likewise.
11727 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
11729 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11730 Merged from c-typeck.c and cp/typeck.c.
11731 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11732 Merged into c-common.
11734 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
11736 * c-lex.c (errorcount): Declare it.
11737 (finish_parse): Update errorcount when using CPPLIB.
11739 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
11741 * fixinc/inclhack.def(end_else_label): Double the backslash so
11742 sed gets a chance to see it.
11743 * fixinc/inclhack.sh: regen
11744 * fixinc/fixincl.x: regen
11746 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
11748 Add framework to support armv5 architecture when it becomes
11751 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
11752 (arm_arch5): New variable.
11753 (all_architectures): Add armv5 line.
11754 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
11755 -march=armv5 is specified on the command line.
11756 (arm_arch5): Export this variable.
11757 * invoke.texi: Document new string accepted by -march= switch for
11760 * config/arm/arm.h: Replace use of constant 12 as a register
11761 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
11762 * config/arm/arm.c: Replace use of constant 12 as a register
11763 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
11765 * config/arm/elf.h: Tidy up.
11766 * config/arm/coff.h: Tidy up.
11768 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
11770 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
11771 * gcc/config/mips/t-iris6gld: New file.
11772 * gcc/config/mips/iris6gld.h: Likewise.
11774 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
11776 * c-decl.c (widest_integer_literal_type_node,
11777 widest_unsigned_literal_type) : New.
11778 (init_decl_processing): Handle/use the two new types.
11779 * c-common.c (type_for_size,type_for_mode) : Same.
11780 * c-lex.c (yylex) : Same.
11781 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11783 * c-tree.h (widest_integer_literal_type_node,
11784 widest_unsigned_literal_type) : New.
11786 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
11788 * dwarfout.c (field_byte_offset): Correctly compute the object's
11789 byte offset for the first bit of a field which crosses an alignment
11790 boundary on a !BYTES_BIG_ENDIAN target.
11792 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
11794 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
11797 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
11798 Jeff Law <law@cygnus.com>
11800 * ginclude/varargs.h (va_dcl): Use word_mode for type of
11803 * except.c: Include intl.h.
11804 (expand_eh_return): Set current_function_cannot_inline.
11805 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
11806 * function.h (struct function): Add eh_return_stub_label.
11807 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
11808 * Makefile.in (except.o): Depend on intl.h.
11810 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
11812 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
11813 same as offsettable in cases 1 and 2.
11815 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
11817 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
11818 (extlh, extwh): Likewise.
11820 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
11822 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
11824 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
11826 * configure.in: Add arm-pe and thumb-pe targets.
11827 * configure: Regenerate.
11829 * thumb.c (arm_naked_function_p): New function: Determines if
11830 a function is naked (has no gcc generated prologue/epilogue).
11831 (is_called_in_ARM_mode): Return true if the func has the
11832 interfacearm attribute.
11833 (output_return): Do not generate a return for naked functions.
11834 (thumb_function_prologue): Do not generate a prologue for
11836 (thumb_expand_prologue): Do not generate a prologue for naked
11838 (thumb_expand_epilogue): Do not generate an epilogue for naked
11840 (arm_valid_machine_decl_attribute): New function, copied from
11841 arm.c: Permit naked and interfacearm attributes.
11843 * config/arm/pe.c: New file: Support code for arm-pe target.
11844 * config/arm/pe.h: New file: Header file for arm-pe target.
11845 * config/arm/tpe.h: New file: Header file for thumb-pe target.
11846 * config/arm/t-thumb-pe: New file: Makefile fragment for
11849 1999-07-01 Mark Kettenis <kettenis@gnu.org>
11851 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
11852 -fPIC or -fpic is specified.
11854 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
11856 * expr.c (emit_block_move): Use copy_to_mode_reg for
11857 !TARGET_MEM_FUNCTIONS case too.
11859 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
11861 * configure: Rebuilt.
11862 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
11863 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
11864 definitions made redundant by dbxelf.h inclusion. Delete
11865 lots of definitions related to assembly output that are
11866 specific to the SOM object format.
11867 * pa.c (output_function_prologue): Do not emit the function's
11869 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
11870 * pa-pro.h: Deleted.
11871 * som.h: New file with SOM specific definitions.
11872 * elf.h: New file with ELF specific definitions.
11874 * elfos.h (const_section): Output a tab before assembler directives.
11875 (ctors_section, dtors_section): Likewise.
11876 (ASM_OUTPUT_SECTION_NAME): Likewise.
11878 * pa/pa1.h: Delete unused file.
11880 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
11882 * configure.in (hppa*-hp-hpux11*): New configuration.
11883 * configure: Rebuilt.
11884 * pa/pa-hpux11.h: New file.
11885 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
11888 * mips.md (leasi, leadi): New patterns.
11890 * expr.c (emit_block_move): Properly handle case where one of the
11891 block move arguments has a queued increment or decrement.
11892 (clear_storage): Similarly. Fix formatting goof.
11894 1999-06-28 "David O'Brien" <obrien@NUXI.com>
11896 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
11897 semicolon from the BSD VA_LIST replacement expression.
11899 * fixinc/inclhack.sh: regen
11900 * fixinc/fixincl.x: regen
11902 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
11903 now use the fixincl program.
11905 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
11907 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
11908 case. Also make the PIC register call_used.
11910 * m68k.h (FINALIZE_PIC): Delete.
11911 * m68k.c (finalize_pic): Delete.
11913 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
11915 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
11918 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
11920 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
11922 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
11924 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
11926 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
11928 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
11930 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
11932 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
11934 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
11936 * rs6000.c (output_toc): Always use hex values for floating-point
11937 constants. Store single-precision values in upper-half of TOC
11938 entry in 64-bit mode.
11939 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
11940 to final constraints.
11941 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
11942 (fctiwz): Improve accuracy of RTL for pattern.
11944 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
11946 * expr.c (expand_expr): Allow RTL_EXPR's through the
11947 MAX_INTEGER_COMPUTATION_MODE checks.
11949 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
11951 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
11952 such that MASK_SUPPORT_ARCH is not negative.
11954 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
11956 * loop.c (verify_dominator): Properly handle ADDR_VEC and
11957 ADDR_DIFF_VEC insns that appear inside loops.
11959 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
11960 Jeff Law <law@cygnus.com>
11962 * rs6000.md (movdf_hardfloat32): Revert previous patch.
11963 Handle LO_SUM the same as offsettable in cases 1 and 2.
11964 * rs6000.c (find_addr_reg): Revert previous patch.
11966 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
11968 * system.h (strstr): New external function declaration.
11969 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
11970 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
11971 * config.in, configure: Rebuilt.
11973 1999-06-24 Tom Tromey <tromey@cygnus.com>
11975 * gcc.c (main): Read user-specified specs files after computing
11976 additional startfile_prefixes.
11978 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
11980 Revert these two patches:
11982 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11983 * loop.c (strength_reduce): When doing biv->giv conversion, update
11984 reg note of NEXT->insn.
11986 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11987 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11989 (recombine_givs): Set ix field after sorting.
11991 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11993 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
11994 for the parts of an UNSPEC / UNSPEC_VOLATILE.
11996 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
11998 *fixinc/inclhack.def: Add fix development commentary
11999 (read_ret_type): reactivate and add selection clause
12000 (zzz_*): tweak output file name to match what is used in hackshell.tpl
12001 *fixinc/{fixincl.x|inclhack.sh}: regen
12003 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
12005 * expr.c (expand_expr): STRIP_NOPS before checking against
12006 MAX_INTEGER_COMPUTATION_MODE
12007 (check_max_integer_computation_mode): Likewise.
12009 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
12011 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
12013 1999-06-22 Jim Wilson <wilson@cygnus.com>
12015 * expr.c (store_expr): When target is a promoted subreg, return a
12016 promoted subreg as a result.
12018 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
12020 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
12022 (dwarf2out_define): Mark unused parameters appropriately.
12023 (gen_unspecified_parameters_die): Ditto.
12024 (gen_subprogram_die): Fix signed/unsigned warnings.
12025 (gen_variable_die): Ditto.
12027 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
12029 * fixinc/inclhack.def(end_else_label): combined else_label
12030 and endif_label and fixed the sed expression.
12031 *fixinc/{fixincl.x|inclhack.sh}: regen
12033 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
12035 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
12036 'x' when handling non-offsettable addresses
12038 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
12040 * final.c (shorten_branches): Don't try to split an insn that has
12043 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
12045 * config/mips/mips.c (symbolic_expression_p): New function.
12046 (mips_select_rtx_section): Put symbolic expressions in the
12047 data section, not the read-only data section.
12049 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
12051 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
12053 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
12055 * collect2.c (main): Log frame table count.
12056 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
12057 (scan_prog_file) [COFF]: Handle frame tables.
12059 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
12060 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
12061 * alpha/elf.h: Undef them again.
12062 * alpha/vms.h: Remove their definitions.
12064 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12066 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
12067 remove the clobber of r0 and change the REG_UNUSED note to
12070 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
12072 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
12073 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
12074 fits in HOST_WIDE_INT and one uses union to access a long constant
12077 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
12079 * sparc.c (sparc_override_options): Don't allow profiling for
12080 code models other than medlow.
12081 (sparc_function_profiler): New function from old FUNCTION_PROFILER
12082 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
12083 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
12084 (sparc_block_profiler): Likewise.
12085 (sparc_function_block_profiler_exit): Likewise.
12086 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
12087 (FUNCTION_BLOCK_PROFILER): Likewise.
12088 (BLOCK_PROFILER): Likewise.
12089 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
12090 (MCOUNT_FUNCTION): New.
12091 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
12092 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
12093 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
12094 (MCOUNT_FUNCTION): New.
12095 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
12096 (BLOCK_PROFILER): Delete.
12097 (MCOUNT_FUNCTION): New.
12099 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
12101 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
12103 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12105 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12108 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12111 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12114 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12117 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
12119 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
12122 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
12124 * i386/djgpp.h (LIB_SPEC): New.
12125 (STARTFILE_SPEC): New.
12127 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
12129 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
12131 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
12134 * system.h (WSTOPSIG): New macro.
12136 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
12138 * c-pragma.c (push_alignment): Don't ignore alignments greater than
12140 (insert_pack_attributes): Take into account member natural
12143 * i386/winnt.c (exports_head): New static variable.
12144 (i386_pe_record_exported_symbol): New function.
12145 (i386_pe_asm_file_end): Use.
12146 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
12147 symbols to be emitted at end of assembly.
12148 (ASM_DECLARE_OBJECT_NAME): Likewise.
12149 (ASM_DECLARE_FUNCTION_NAME): Likewise.
12151 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
12154 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
12156 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
12159 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
12161 * haifa-sched.c (sched_analyze_1): Use free_list instead of
12162 zapping reg_last_uses directly.
12163 (sched_analyze_2, sched_analyze_insn): Likewise.
12164 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
12166 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
12168 * rs6000.md (movdf_hardfloat32): Use worst case insn length
12169 attributes for cases 1 and 2.
12171 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
12173 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
12176 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
12178 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
12180 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
12182 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
12183 PIC_OFFSET_TABLE_REGNUM for general alloaction.
12184 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
12185 must be stacked if it is used for PIC accesses.
12186 * arm.c (use_return_insn): Handle PIC register specially.
12187 (output_return_instruction): Likewise.
12188 (output_func_{prologue,epilogue}): Likewise.
12189 (output_expand_prologue): Likewise.
12191 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
12192 (*strsi_predec): Renamed from *strqi_predec.
12193 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
12194 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
12196 * arm.c (arm_override_options): Remove warning about PIC code
12197 not being supported.
12199 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
12201 * rs6000.c (find_addr_reg): New function.
12202 * rs6000.h (find_addr_reg): Declare.
12203 (offsettable_addr_operand): Delete.
12204 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
12205 from and stores to GPRs.
12207 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
12209 * alpha.c (alpha_expand_block_move): Use get_insns rather than
12210 gen_sequence as argument to emit_no_conflict_block.
12212 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12214 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
12215 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
12216 *fixinc/fixincl.x: regen
12217 *fixinc/inclhack.sh: regen
12219 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
12221 * added support for -mpcrel (PC relative addressing for m68k)
12222 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
12223 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
12224 * m68k.c (print_operand_address): Handle 32-bit PIC case.
12225 (comments for general_src_operand): Add some explanation
12226 about EXTRA_CONSTRAINTS.
12227 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
12228 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
12229 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
12230 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
12231 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
12232 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
12233 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
12234 if not already set.
12235 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
12236 * m68k.h (TARGET_PCREL): New target flag.
12237 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
12238 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
12239 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
12240 contains a SYMBOL_REF. Relax this constraint during reload, since
12241 we want to use the predicates, not reload's built-in concept of a
12242 valid memory address, to control what insns need reloading.
12243 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
12244 operands (essentially 'g', 'm', and 's' under normal circumstances).
12245 * m68k.c (print_operand): Cause printing of pc-relative addresses
12246 to include pc register.
12247 (print_operand_address): Ditto.
12248 (general_src_operand): Accept operands that are not only
12249 general_operands, but are also valid when used as a pc-relative
12251 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
12252 (memory_src_operand): Similar, for memory_operands.
12253 (pcrel_address): New predicate to accept the special case of a
12254 pc-relative address.
12255 * m68k.md (many patterns): Rewrite common SImode, HImode, and
12256 QImode insns to accept *_src_operand instead of *_operand where
12257 pc-relative operands can fit. For example, a pc-relative operand
12258 can be used as a memory source operand for addsi3, but not as a
12259 memory destination.
12260 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
12262 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
12264 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
12265 .thumb_set pseudo op to mark aliases of thumb functions.
12267 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
12269 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
12270 preference to ASM_OUTPUT_DEF, if it is defined.
12272 * tm.texi: Document new, optional target macro
12273 ASM_OUTPUT_DEF_FROM_DECLS.
12275 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12277 * fixincludes: ISCNTL patch
12278 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
12279 (dgux_int_varargs): new for DG/UX
12280 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
12282 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
12284 * invoke.texi (ia32 options): Fix typo.
12286 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12288 * loop.c (strength_reduce): When doing biv->giv conversion, update
12289 reg note of NEXT->insn.
12291 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
12293 * loop.c (move_movables): Note issues with replacing REGs with
12295 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
12297 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
12299 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
12301 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
12302 the reference to `mcount' was not correct for the ELF on FreeBSD.
12304 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12306 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
12309 (recombine_givs): Set ix field after sorting.
12311 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
12313 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
12314 to safe to extract a subword out of a REG.
12316 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12318 * sh.md (mulsi3): Don't add a no-op move at the end.
12320 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12322 * cse.c (cse_insn): Don't put hard register source into tables for
12323 the last insn of a libcall.
12325 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12327 * loop.c (strength_reduce): Insert sets of derived givs at every
12328 biv increment, even if it's the only one.
12330 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12332 * dwarfout.c (add_incomplete_type): New fn.
12333 (output_type): Call it.
12334 (retry_incomplete_types): New fn.
12335 (dwarfout_finish): Call it.
12337 From Eric Raskin <ehr@listworks.com>:
12338 (output_type): Output types for bases.
12340 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12342 * mips.c (mips_output_conditional_branch): Add `break'
12343 between `default' label and `close braces'.
12345 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
12347 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
12348 specifications and make it realistic.
12349 (LIB_SPEC): Likewise.
12351 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
12353 * config/mips/mips.c (mips_secondary_reload_class): Check for
12354 (PLUS (SP) (REG)) and return appropriate register class.
12355 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
12356 Handle (PLUS (SP) (REG)).
12357 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
12358 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
12359 of emit_insn for tablejump.
12361 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
12363 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
12364 asm_fprintf format string by itself.
12365 (output_function_profiler): Likewise.
12367 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
12369 * combine.c (simplify_logical, case AND): Only call
12370 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
12371 or the constant is positive.
12373 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
12375 * configure.in: Fix typo in rs6000-ibm-aix4 case.
12376 * configure: Regenerate.
12378 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
12380 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
12381 require a sub-version #.
12382 * configure: Rebuilt.
12384 1999-06-14 Robert Lipe (robertlipe@usa.net)
12386 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
12388 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
12390 * c-typeck.c (process_init_element): Detect excess elements in
12391 char array initializer.
12393 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
12395 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
12397 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12399 * invoke.texi (Option Summary): Add -fpermissive flag.
12401 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
12403 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
12404 that require PIC code sequences.
12406 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
12408 * configure.in: Add new target: thumb-elf.
12409 * configure: Regenerate.
12410 * config/arm/t-thumb-elf: New file: Makefile fragment for
12412 * config/arm/telf.h: New file: Header file for thumb-elf
12415 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
12417 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
12418 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
12419 initializers is some circumstances.
12421 * fixinc/inclhack.def (endif_label): Add additional selector for
12422 more bogus stuff after #endif statements.
12423 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
12425 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
12427 * i386/cygwin.h (SET_ASM_OP): Define.
12429 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
12431 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
12433 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12435 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
12438 * sh.md (ic_invalidate_line_i): Remove second alternative.
12440 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12442 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
12443 test for the presence of valid prototypes. Delete bypass expr.
12444 (ioctl_fix_ctrl): Correct the selection expression.
12445 (no_double_slash): Correct quoting rules
12446 *fixinc/fixincl.x: regen
12447 *fixinc/inclhack.sh: regen
12449 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
12451 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
12453 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12455 * rs6000.md (movsi_got_internal_mem): Delete.
12456 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
12457 (GOT_TOC_REGNUM): Delete.
12458 (PIC_OFFSET_TABLE_REGNUM): Define.
12459 (FINALIZE_PIC): Disable.
12460 * rs6000.c (rs6000_got_register): New code for fixed pic register.
12461 (rs6000_replace_regno): Delete.
12462 (rs6000_finalize_pic): Likewise.
12463 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
12465 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12467 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
12468 is a note; use <= for the compare; advance P while it is
12471 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
12473 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
12474 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
12476 * varasm.c (remove_from_pending_weak_list): Verify t->name
12477 is non-NULL before passing it to strcmp.
12479 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12481 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
12482 the typed arguments are not part of a comment
12483 (ioctl_fix_ctrl): Added a purpose comment
12484 *fixinc/fixincl.x: regenerate
12485 *fixinc/inclhack.sh: regenerate
12487 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12489 * invoke.texi: Add C4x invocation docs.
12491 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12493 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
12495 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
12497 (c4x_legitimize_reload_address): New function.
12498 * config/c4x/c4x.md: Update docs.
12500 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
12502 * fixincludes: Avoid removing '.'.
12503 * fixinc/fixinc.svr4: Likewise.
12504 * fixinc/fixinc.winnt: Likewise.
12505 * fixinc/inclhack.tpl: Likewise.
12506 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
12508 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12510 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
12512 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
12514 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
12516 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
12519 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
12521 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
12522 * configure: Regenerate.
12524 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
12526 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
12529 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
12531 * fixinc/inclhack.def (avoid_bool): Also catch
12532 "typedef [unsigned] int bool".
12533 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
12535 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
12536 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
12537 * configure: Rebuilt.
12539 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
12541 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
12542 such that we can override its definitions if necessary.
12543 (CPP_SPEC): New define. Support processor specific predefines via
12545 (CC1_SPEC): New define. Support processor specific compiler
12546 options via %(cc1_cpu).
12547 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
12550 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12552 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
12553 between sed's -e flag, and the open-quote following it.
12554 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
12556 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
12557 Jeffrey A Law (law@cygnus.com)
12559 * varasm.c (assemble_start_function): Remove the function
12560 from the pending weak decls list when we define a function.
12561 (assemble_variable): Similarly for variables.
12562 (weak_finish): Ignore items on the list with a NULL name.
12563 (remove_from_ending_weak_list); New function to "remove" an item
12564 from the pending weak declarations list.
12566 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12568 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
12570 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
12572 * c-lex.c (GETC): Redefine to call getch.
12573 (UNGETC): Redefine to call put_back.
12574 (putback_buffer): New structure type.
12575 (putback): New static structure.
12576 (getch): New function.
12577 (put_back): New function.
12578 (yylex): Replace unused bytes from bad multibyte character.
12580 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
12582 * cpplib.c (do_define): Cast `alloca' return value.
12583 (do_include, do_undef, do_pragma): Likewise.
12584 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
12586 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
12587 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
12589 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
12591 * sparc.md (abstf2): This should be an expand.
12592 (split after abstf2_notv9): Fix mode.
12593 (abstf2_hq_v9): New pattern.
12594 (abstf2_v9): Only use when no hard quad.
12595 (absdf2_v9): Fix if target is not the same as source.
12596 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
12597 Add correct output constraints.
12599 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
12601 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
12602 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
12604 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
12606 * mips.h (mips_output_conditional_branch): New function.
12607 (mips_adjust_insn_length): Likewise.
12608 (ASSEMBLER_SCRATCH_REGNUM): New macro.
12609 (ADJUST_INSN_LENGTH): Likewise.
12610 * mips.c (print_operand): Add `F' and `W' for floating-point
12611 comparison opcodes.
12612 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
12614 (mips_adjust_insn_length): New function.
12615 (mips_output_conditional_branch): New function.
12616 * mips.md (length): Adjust attribute definition to handle
12617 conditional branches. Change lengths to bytes, rather than
12618 instructions throughout. Remove length attribute from
12619 instructions whose length is four bytes, and rely on the default
12621 (dslot): Fix typo in comment.
12622 Reword conditional branch patterns to use
12623 mips_output_conditional_branch.
12625 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12627 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
12628 (LIB_SPEC): Likewise.
12629 Link with -lprof1_r for -g/-pg.
12631 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12633 * loop.c (check_dbra_loop): Fix change of Jan 19.
12635 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
12637 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
12638 (STARTFILE_SPEC): Define, override the svr4.h version.
12639 (ENDFILE_SPEC): Likewise.
12641 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
12643 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
12644 * fixinc/fixincl.x: Regenerated.
12645 * fixinc/inclhack.sh: Regenerated.
12647 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12649 * sh.c (barrier_align): Don't return early for normal branch/barrier
12650 when optimizing for SH2.
12652 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
12654 * i386/udk.h (LINK_SPEC): Correct linker search path for
12657 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12659 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
12660 (braf_label_ref_operand): Delete.
12661 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
12662 * sh.md (casesi_jump_2): Operand1 is now the inside of a
12663 label_ref, and has no predicate.
12664 The patten has a predicate to guard against invalid substitutions.
12665 (dummy_jump): Delete.
12666 (casesi): Update use of casesi_jump_2.
12668 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12670 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
12671 *fixinc/fixincl.x: regenerate
12672 *fixinc/inclhack.sh: regenerate
12674 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
12676 * dwarf2out.c (add_incomplete_type): New fn.
12677 (gen_struct_or_union_type_die): Call it.
12678 (retry_incomplete_types): New fn.
12679 (dwarf2out_finish): Call it.
12681 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
12683 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
12684 current block starts with a CODE_LABEL and ends with a CALL and
12685 we can not find all the argument setup instructions for the CALL.
12687 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
12689 Revert this change:
12690 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
12691 something is a candidate for optimize_bit_field_compare.
12693 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12695 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
12697 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
12699 * alpha.c (override_options): Thinko in last patch.
12701 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
12702 (LIB_SPEC): Recognize -pthread.
12704 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
12706 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
12707 definition in config/arm/coff.h
12708 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
12710 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12712 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
12713 fixes that need "file=xxx\n" prepended before invocation
12714 (start_fixer - new): starting the fixer process is complex enough
12715 to warrent its own routine. It prepends the "file=xxx\n" stuff.
12716 (process): uses the new routine; omit usage of putenv()
12717 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
12718 * fixinc/fixincl.x: regenerate
12720 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
12722 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
12723 and version #s (1.1 -> 2.96) as needed.
12724 * README.g77: Kill way out of date file in the toplevel directory.
12726 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
12728 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
12729 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
12730 * configure: Rebuilt.
12731 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
12732 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
12733 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
12734 (SWITCH_TAKES_ARG): Likewise.
12735 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
12736 * config/t-freebsd: Moved from config/i386/ so it can used for all
12739 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
12741 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
12743 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
12745 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
12746 * configure: Rebuilt.
12748 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
12750 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
12751 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
12752 * rs6000/rs6000.c (rs6000_file_start): Use putc.
12753 (rs6000_output_load_toc_table): Same.
12754 (output_prolog, output_mi_thunk): Same.
12755 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
12756 (ASM_GLOBALIZE_LABEL): Use putc.
12758 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
12760 * alpha.md (reload_*_help): New patterns and splitters.
12761 (reload_*): Use them.
12762 (mov[qh]i): Likewise.
12764 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
12766 * cccp.c (handle_directive): Handle backslash-newlines in quoted
12769 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
12771 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
12773 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
12775 * flow.c (mark_regs_live_at_end, insn_dead_p,
12776 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
12777 and HARD_FRAME_POINTER_REGNUM special treatment if reload
12778 hasn't run or the frame pointer is needed.
12779 * haifa-sched.c (attach_deaths): Likewise.
12780 * sched.c (attach_deaths): Likewise.
12782 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
12784 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
12785 calculate_can_reach_end returns nonzero.
12787 * configure.in (native gas tests): Search for an assembler in the
12788 same manner that the installed compiler will.
12789 * configure: Rebuilt.
12790 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
12792 * alias.c (find_base_term): Improve handling of addresses
12793 constructed from binary operations.
12795 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
12797 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
12799 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
12801 * function.h (cleanup_label, frame_offset): Declare.
12802 (tail_recursion_label, tail_recursion_reentry): Likewise.
12803 (arg_pointer_save_area, rtl_expr_chain): Likewise.
12804 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
12805 (tail_recursion_label, tail_recursion_reentry): Likewise.
12806 (arg_pointer_save_area, rtl_expr_chain): Likewise.
12808 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
12810 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
12812 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
12813 (MAX_OFILE_ALIGNMENT): Define.
12815 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
12817 * fixincl.c: Replace local include scheme with #includes of
12818 gansidecl.h and system.h.
12819 * procopen.c: Likewise.
12820 * server.c: Likewise.
12822 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
12824 * i386/t-dgux (EXTRA_PARTS): Add crti.o
12825 (crti.o): Add build rule and dependencies.
12826 * fixinc/fixinc.dgux: Use modified _int_varargs.h
12828 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12830 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
12831 (LIB_LINUX_SPEC): Likewise.
12832 (LIB_LINUX_SPEC): Add support for -pthread
12833 (CPP_OS_LINUX_SPEC): Likewise.
12834 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
12837 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
12839 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
12841 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
12842 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
12843 for IEEE math and CC_FCOMI.
12844 (put_jump_code): No IEEE if CC_FCOMI is set.
12846 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12848 * fold-const.c (fold_truthop): Make the field reference unsigned
12849 when converting a single bit compare.
12851 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12853 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
12855 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
12857 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
12858 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
12861 * reload.c (push_reload): Do not call remove_address_replacements
12862 when presented with identical optional reloads.
12864 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
12866 * alpha.h (MASK_FIX, TARGET_FIX): New.
12867 (MASK_*): Reorganize constants.
12868 (CPP_AM_FIX_SPEC): New.
12869 (TARGET_SWITCHES): Add FIX.
12870 (EXTRA_SPECS): Likewise.
12871 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
12872 (SECONDARY_MEMORY_NEEDED): Likewise.
12873 (REGISTER_MOVE_COST): Likewise.
12874 * alpha.c (override_options): Add FIX support. Always use
12875 ALPHA_TP_PROG for ev6.
12876 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
12877 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
12878 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
12880 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
12882 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
12883 something is a candidate for optimize_bit_field_compare.
12885 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
12887 * gcc.texi (Passes): Document branch-shortening.
12888 * invoke.texi (Debugging Options): Document the fact that `-dp'
12889 outputs length information for instructions.
12891 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
12893 * flow.c: Revert previous delta.
12895 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
12897 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
12898 FRAME_POINTER_REGNUM.
12899 (mark_set_1): Ditto.
12900 (mark_used_regs): Ditto.
12902 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
12904 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
12905 (GOT_PCREL): New macro. Define to 1 if not already defined.
12906 * arm/elf.h (GOT_PCREL): Define to 0.
12907 * arm.c (arm_finalize_pic): Take into account the setting of
12910 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
12912 * output.h (STRIP_NAME_ENCODING): Provide default definition.
12913 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
12915 * flow.c (mark_set_1): Do not record BLKmode stores as dead
12916 store elimination candidates.
12918 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
12920 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
12923 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
12925 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
12926 Add use of x-aix41-gld.
12928 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
12930 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
12931 (ASM_OUTPUT_DESTRUCTOR): Define.
12933 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
12935 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
12936 last CODE_LABEL in a loop if we have previously passed a jump
12937 to the top of the loop.
12939 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
12941 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
12942 applying Philip's patch.
12944 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
12946 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
12949 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
12951 * loop.c (strength_reduce): Grow reg_single_usage as needed.
12953 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
12955 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
12956 Also remove a useless comment.
12958 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12960 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
12962 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
12964 * collect2.c (main): Only generate import or export file and add
12965 to link arguments if non-empty. Use xmalloc not alloca.
12966 (write_{export,import}_file): Delete.
12967 (write_aix_file): New function.
12968 (locatelib): Use xmalloc not malloc.
12969 (GCC_OK_SYMBOL): Do not check type if aix64.
12971 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
12973 Based on patch by Scott Bambrough and Pat Beirne:
12974 * config/arm/arm.c (making_const_table): New variable.
12975 * config/arm/arm.h (making_const_table): Declare.
12976 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
12978 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
12979 Keep track of when we are building the constant table.
12981 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
12983 * config/arm/arm.c (arm_override_options): Fix erroneous warning
12986 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
12988 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
12991 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
12993 * tm.texi (FUNCTION_ARG): Correct description of a stack element
12996 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
12998 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
13000 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13002 * rs6000.c (output_mi_thunk): Enable full support again.
13004 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13006 * sh.h (BRANCH_COST): Define.
13008 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
13010 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
13012 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
13014 * function.c (assign_stack_local): Align stack slot propertly.
13015 (assign_outer_stack_local): Likewise.
13017 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
13019 * expr.h (lang_expand_constant): Declare.
13020 * toplev.c (lang_expand_constant): Define it.
13021 * varasm.c (output_constant): Use it.
13023 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13025 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
13026 Change function definitions to K&R style.
13028 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13030 * fixinc/fixincl.c: We must not ignore SIGCLD now.
13032 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
13034 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
13035 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
13036 (several places): omit static initialization
13037 (process): use single fd, since only the read fd is used
13038 * fixinc/gnu-regex.c: define 'const' away, if not supported
13039 * fixinc/procopen.c(several places): omit static initialization
13040 * fixinc/server.c: define 'volitile' away, if not supported
13042 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13044 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
13045 asm_fprintf and %L to generate the label name.
13046 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
13047 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
13049 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
13051 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
13052 insn for a conditional jump can not be found.
13054 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
13056 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
13057 on variables in specific sections other than .sbss and .sdata.
13059 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
13061 * stmt.c (expand_return): Call start_cleanup_deferral and
13062 end_cleanup_deferral around conditional code.
13064 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13066 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
13067 filename lists. Utilizes new "krstr" AutoGen function.
13068 * fixinc/fixincl.x: Rebuilt.
13070 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
13072 * i386.c (output_float_compare): Avoid GNU-C extensions.
13074 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
13076 * version.c: Bump to distinguish mainline tree from the
13079 See ChangeLog.1 for earlier changes.