1 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3 * flow.c (flow_loops_dump): Add missing argument when calling
6 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
7 Greg McGary <gkm@gnu.org>
9 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
10 (init_attributes): Add A_NO_LIMIT_STACK.
11 (decl_attributes): Handle A_NO_LIMIT_STACK.
12 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
14 Handle stack bounds checking.
15 * flags.h (flag_stack_check): Use the word 'probe' rather than
16 'check', because the flag doesn't actually cause any checking to
18 * function.c (expand_function_start): Set
19 current_function_limit_stack.
20 * function.h (struct function): Add limit_stack.
21 (current_function_limit_stack): Define.
22 * invoke.texi (Code Gen Options): Document new options.
23 * rtl.h: Declare stack_limit_rtx.
24 * toplev.c (stack_limit_rtx): New variable.
25 (decode_f_option): Handle new options -fstack-limit-register=REG,
26 -fstack-limit-symbol=IDENT, -fno-stack-limit.
27 (main): Add stack_limit_rtx as GC root.
28 * tree.h (DECL_NO_LIMIT_STACK): New macro.
29 (struct tree_decl): New member no_limit_stack.
31 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
33 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
34 (conditional_trap+1): Get new mnemonic correct.
35 (conditional_trap+2): New pattern for DImode traps.
37 * config/m68k/m68k.c (output_function_prologue): Handle
39 * config/m68k/m68k.md (trap): New insn.
40 (conditional_trap): New insn.
41 * md.texi (Standard Names): Document `trap' and
43 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
44 so a cc0 setter doesn't get emitted at some random place in the
47 * config/i960/i960.md (trap): New insn.
48 (conditional_trap): New expander.
49 (conditional_trap+1, conditional_trap+2): New insns for signed
51 * config/i960/i960.c (i960_function_prologue): Use
52 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
54 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
55 Geoffrey Keating <geoffk@cygnus.com>
57 * flags.h (warn_padded, warn_packed): Add global var decls.
58 * toplev.c (warn_padded, warn_packed): Add global var defns.
59 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
60 * stor-layout.c (layout_record): Add local variable `type'
61 to hold often-used TREE_TYPE (field). Add local variable
62 `unpacked_align' to hold alignment that would be in force
63 if no `packed' attribute were present. Warn if `packed' attribute
64 is unnecessary, or even harmful. Warn when gcc inserts padding
65 to satisfy alignment requirements of members. Use NULL_TREE
66 when checking whether var_size is set.
67 * invoke.texi: Document new flags.
69 1999-12-03 Nathan Sidwell <nathan@acm.org>
71 * frame.c (fde_split): Reimplement to avoid variable sized array.
73 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
75 * combine.c (try_combine): Before fixing up LOG_LINKS for the
76 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
78 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
80 * invoke.texi: Document the mips option -mno-crt0
82 1999-12-02 Mike Karr <mkarr@mathworks.com>
84 * cccp.c (argdata): Added free_ptr member.
85 (macroexpand): Initialize free_ptr of each argument. When an
86 argument's buffers are freed, if the argument's free_ptr corresponds
87 to a buffer on the input stack, then return the free_ptr to that stack
88 frame, otherwise, free it.
89 (macarg): If an argument begins and ends on the same input stack level,
90 then transfer the free_ptr of that buffer to the argument in case
91 the stack is popped during the processing of a subsequent argument.
93 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
95 * loop.c (note_reg_stored): New function.
96 (struct note_reg_stored_arg): New structure.
97 (try_copy_prop): Change to be more conservative; only replace within
98 one extended basic block and stop replacing if a store to the
99 replacement reg is seen.
101 1999-12-02 Nick Clifton <nickc@cygnus.com>
103 * config/fp-bit.c: Initialise all fields of the NAN
106 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
109 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
111 * i386.md (extend?f?f2): Force the input into a register, not
114 1999-12-01 Jakub Jelinek <jakub@redhat.com>
116 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
118 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
119 alternative because setting up 64bit constant is usually costly,
120 especially when reload is in progress or completed.
121 (movdf_const_intreg_sp64): Likewise.
122 (movdf_const_intreg split): Fix building up constants when
123 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
125 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
127 * combine.c (if_then_else_cond): Use const_true_rtx instead of
128 const1_rtx for return values in EQ/NE comparison against (const_int 0)
131 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
132 (asm_file_start): Emit .am33 into assembly file when compiling for
134 (print_operand_address): Handle POST_INC addresses.
135 (can_use_return_insn, initial_offset): Check AM33 registers too.
136 (expand_prologue): Check & save AM33 registers too.
137 (expand_epilogue): Similarly.
138 (secondary_reload_class): Handle AM33 specific secondary reloads.
139 (output_tst): Emit efficient code for the AM33 too.
140 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
141 (TARGET_SWITCHES): Add -mam33 switch.
142 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
143 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
144 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
145 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
146 (enum reg_class, REG_CLASS_NAMES): Likewise.
147 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
148 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
149 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
150 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
151 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
152 (HAVE_POST_INCREMENT): Define.
153 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
154 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
155 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
156 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
157 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
158 (zero_extend to SI from QI/HI): Likewise.
159 (sign_extend to SI from QI/HI): Likewise.
160 (mulsidi3, umulsidi3): New patterns for the AM33.
161 (tstsi with zero extension from QI/HI): Add AM33 variants.
162 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
163 (return_internal_regs, store_movm): Handle new AM33 registers.
164 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
165 (LIBGCC, INSTALL_LIBGCC): Likewise.
166 * invoke.texi: Document new flags.
168 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
170 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
171 (addsi3_carry): Likewise.
172 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
173 (sbbsi3_carry): Likewise.
174 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
176 (test?i_1): Ensure that only one operand is memory.
177 (conditional move patterns): likewise.
178 (shift and rotate patterns): Rewrite to expander, add
179 "binary_operator_ok" to the condition.
181 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
182 * i386.h (procesor_costs): Add movzbl_load field.
183 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
184 non-Q registers, accept DImode registers anywhere.
186 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
187 * i386.c (*_cost): Set value for movxbl_load field.
189 * (addsi): New add to lea splitter.
191 (lea to add/shift peep2): New.
193 1999-12-01 Mark Salter <msalter@cygnus.com>
195 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
196 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
197 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
199 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
201 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
202 * i386.md (movsi_xor): New.
204 (movsi_1, movhi_1, movqi_1): Remove.
205 (movsi_2): Rename to movsi_1.
206 (movhi_2): Rename to movhi_1.
207 (movqi_2): Rename to movqi_1.
208 (movdi_1): Remove; remove splitter.
209 (movdi_2): Rename to movdi_1.
210 (divmodsi4 splitter): Do not emit clobbers for move patterns.
211 (long move peep2): Do not create QI or HI mode mov0s
212 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
214 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
217 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
218 (abs?f2_if): Likewise.
220 1999-11-30 Alex Samuel <samuel@codesourcery.com>
222 * ggc.h (ggc_test_and_set_mark): New macro.
223 (ggc_mark_rtx): Use ggc_test_and_set_mark.
224 (ggc_mark_tree): Likewise.
225 (ggc_mark_rtvec): Likewise.
226 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
228 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
230 * dwarf2out.c (scope_die_for): Only handle types. Only search for
232 (decl_scope_table): Just an array of trees now.
233 (push_decl_scope): Simplify.
234 (dwarf2out_init): Adjust.
235 (local_scope_p): New fn.
236 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
237 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
238 (gen_typedef_die): Likewise.
239 (gen_lexical_block_die): Don't call push/pop_decl_scope.
240 (gen_inlined_subroutine_die): Likewise.
241 (gen_abstract_function): Set current_function_decl temporarily.
242 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
243 Handle block extern declarations. Don't call push/pop_decl_scope.
244 (gen_decl_die): Fix logic for block externs.
246 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
248 * calls.c (special_function_p): Remove `realloc' and add `strdup'
249 to the list of functions which have attribute malloc by default.
251 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
253 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
254 integer constant does not match the traditional type, limit the
255 warnings to cases where the base of the type is ten.
257 * invoke.texi (-Wtraditional): Document it.
259 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
261 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
262 * rs6000.md: Only access a CONST_INT with INTVAL
264 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
266 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
267 (compute_nearerout): Likewise.
268 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
269 size_t to unsigned long for formatting.
271 1999-11-30 Jakub Jelinek <jakub@redhat.com>
273 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
274 Allow the user to override call-used/fixed state of %g2-5
275 registers from the command line (with the exception of %g4 for
277 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
278 there is a higher chance of having a leaf function.
279 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
280 for ARCH64 which has %ccr register.
281 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
283 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
284 insn accept into delay slot any insn which does not use %[ol]
285 registers. Accept some LO_SUM and shift left by 1 for the normal
287 (output_function_epilogue): Likewise.
288 (epilogue_renumber): Added argument which inhibits any renumbering
289 and just tests if the rtx does not use any %[ol] registers.
290 (output_return): Reflect above change.
292 1999-11-30 Jakub Jelinek <jakub@redhat.com>
294 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
295 aggregate passing for sizes <= 16 bytes.
297 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
299 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
300 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
301 * reload.c (find_dummy_reload): Likewise.
302 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
303 * reload1.c (reload_as_needed): Likewise.
304 * stupid.c (stupid_find_reg): Likewise.
305 * tm.texi (Obsolete Register Macros): Delete section.
306 * gmicro.h: Remove all traces of the two macros.
311 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
313 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
314 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
315 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
316 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
317 units for the sparclite86x chip.
318 (flush): Revert October 14th change; add SImode specifically.
319 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
320 * invoke.texi: Document it.
322 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
324 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
325 psimode_truncation_operand.
327 * config/mn10200/mn10200.c (psimode_truncation_operand): New
328 function. Return true if the operand is either a MEM valid
329 for a PSImode address or not a MEM at all.
331 * config/mn10200/mn10200.md (truncsipsi2): Use
332 psimode_truncation_operand.
334 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
336 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
337 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
338 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
339 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
340 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
341 (flow_loop_level_compute, low_loops_level_compute): Likewise.
342 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
343 * basic-block.h: Protect from multiple inclusion.
344 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
345 (struct loops, struct loop): Define structures.
346 * sbitmap.c (sbitmap_a_subset_b_p): New function.
347 * sbitmap.h: Protect from multiple inclusion.
348 (sbitmap_a_subset_b_p): Add prototype.
349 * Makefile.in (LOOP_H): New macro.
350 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
352 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
354 * cppinit.c (CAT): The argument list of this macro may not contain
357 1999-11-29 David S. Miller <davem@redhat.com>
359 Move quantity tables and register equivalence chains into
360 per-qty and per-register structure arrays respectively.
361 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
362 qty_const_insn, qty_comparison_code, qty_comparison_const,
363 qty_comparison_qty): Delete, replace with...
364 (qty_table): this structure table.
365 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
366 (reg_eqv_table): this structure table.
367 (make_new_qty): Add argument MODE. Caller updated.
368 Update to use qty_table and reg_eqv_table.
369 (make_regs_eqv, delete_reg_equiv, insert_regs,
370 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
371 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
372 cse_process_notes, cse_main, cse_basic_block): Likewise.
374 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
376 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
377 operation if C is negative.
378 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
379 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
380 law for some divisions if constant is negative and change other
381 divisions to the opposite rounding.
383 * expr.c (store_constructor_field): If bit position is not multiple
384 of alignment of TARGET's mode, use BLKmode.
386 * expr.c (expand_expr_unaligned): Add more code from full case
387 that is needed when OP0 is in a register.
389 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
391 * dwarfout.c (field_byte_offset): Size can be zero if there was
394 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
396 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
397 (associate_trees): Delete unused var TEM.
398 (extract_muldiv): Delete unused var CANCEL_P.
400 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
401 (target_isinf, target_isnan, target_negative): Add return types to
402 function definitions.
404 1999-11-29 Bruce Korb <autogen@linuxbox.com>
406 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
407 * fixinc/hackshell.tpl: ditto
408 * fixinc/fixtests.c(double_slash_test): more C++ header testing
409 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
411 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
413 * reload.c (push_reload): When looking for a register to put into
414 reg_rtx, make sure all hard regs in a multi-reg register are in the
415 right class and nonfixed.
417 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
418 pending_read_insns, pending_write_insns, pending_read_mems,
419 pending_write_mems, pending_list_length, last_pending_memory_flush,
420 last_function_call, sched_before_next_call): Move static variables
422 (bb_ prefixed versions): Replace with single array bb_deps.
423 (struct deps): New structure.
424 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
425 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
426 argument of type "struct deps *"; use that instead of global
427 variables. All callers changed.
428 (init_rgn_data_dependencies): Delete function.
429 (init_rtx_vector): Delete function.
430 (init_deps): New function.
432 (free_pending_lists): Simplify, we always use the bb_deps array even
433 if only one basic block.
434 (compute_block_backward_dependences): Likewise.
435 (schedule_region): Likewise.
437 (propagate_deps): New function, broken out of
438 compute_block_backward_dependences.
439 (compute_block_backward_dependences): Use it.
441 * alpha.md: Delete useless patterns that tried to work around
442 register elimination problems.
444 * unroll.c (loop_iterations): Don't abort if iteration variable
448 * reload1.c (reloads_conflict): Reverse test comparing operand
449 numbers when testing for conflict between output/outaddr reloads.
451 1999-11-29 David S. Miller <davem@redhat.com>
453 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
455 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
457 1999-11-28 Robert Lipe <robertl@cygnus.com>
459 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
460 table from .fini into .dtor.
462 1999-11-28 Anthony Green <green@cygnus.com>
464 * tree.h (struct tree_decl): Add malloc_flag.
465 (DECL_IS_MALLOC): Define.
466 * c-common.c (attrs): Add A_MALLOC attribute.
467 (init_attributes): Add this attribute to the table.
468 (decl_attributes): Handle malloc attribute.
469 * calls.c (special_function_p): Check for the malloc attribute.
470 * extend.texi (Function Attributes): Document malloc attribute.
472 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
474 * pa.md (reload shift-add patterns): Remove.
476 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
478 * reorg.c (dbr_schedule) Print more statistics. Corrected
479 problem when printing info when 3 delay slots are filled.
481 1999-11-28 Jakub Jelinek <jakub@redhat.com>
483 * combine.c (setup_incoming_promotions): Pass an outgoing
484 regno to FUNCTION_ARG_REGNO_P which it expects.
486 1999-11-28 Andreas Jaeger <aj@suse.de>
488 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
490 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
492 * cccp.c (do_include): Avoid initialization of automatic variable.
494 * integrate.c (mark_stores): Function definition made void, to match
495 previous declaration.
496 * regclass.c (dump_regclass): Ditto.
497 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
499 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
501 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
502 known to be multiple of divisor.
504 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
506 * combine.c (try_combine): Add code to try to merge a set of a
507 two-word pseudo to a constant with a setting of one of those words
510 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
511 (split_tree): Completely rework to make more general.
512 (make_range, fold): Call negate_expr.
513 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
514 (fold, associate): Call new split_tree and associate_trees.
515 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
517 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
519 * loop.c (try_copy_prop): Avoid GNU C extension.
521 1999-11-25 Mark Mitchell <mark@codesourcery.com>
523 * except.c (init_eh_for_function): Still zero eh_return_context,
524 eh_return_stack_adjust, and eh_return_handler.
526 * except.h (eh_status): Adjust documentation for x_protect_list.
527 (begin_protect_partials): New function.
528 * except.c (enqueue_eh_entry): Fix formatting.
529 (get_first_handler): Add consistency check.
530 (add_partial_entry): Adjust usage of protect_list.
531 (emit_cleanup_handler): Save and restore ehqueue.
532 (expand_start_all_catch): Add comment.
533 (begin_protect_partials): New function.
534 (end_protect_partials): Adjust usage of protect_list.
535 (init_eh_for_function): Use xcalloc.
537 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
539 * c-common.c (check_format_info): Don't call a variadic function
540 with a non-literal format string.
542 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
544 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
545 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
548 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
551 * collect2.c (collect_wait): Likewise.
553 * dbxout.c (dbxout_type): Likewise.
555 * gcc.c (do_spec_1): Likewise.
557 * genemit.c (gen_insn, gen_expand): Likewise.
559 * genrecog.c (write_switch, write_subroutine): Likewise.
561 * mips-tfile.c (catch_signal, botch): Likewise.
563 * print-rtl.c (print_rtx): Likewise.
565 * toplev.c (default_print_error_function, report_error_function,
566 _fatal_insn): Likewise.
568 1999-11-25 Mark Mitchell <mark@codesourcery.com>
570 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
572 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
574 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
575 operations when needed.
576 * i386.md (fop_?f_comm): New.
577 (fop_?f_1): Do not accept commutative operands.
579 1999-11-25 Andreas Jaeger <aj@suse.de>
581 * config/mips/mips.md (casesi_internal): Add missing brace.
583 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
585 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
586 (splice_child_die): Handle moving a child DIE from the declaration
587 DIE of a class to its specification.
588 (gen_struct_or_union_type_die): Use 'complete' consistently.
589 (gen_decl_die): Generate the virtual context DIE first.
590 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
592 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
594 * config/mips/mips.md (call_value_multiple_interanal1): New.
596 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
598 * dwarf2out.c (free_AT, free_die): New fns.
599 (remove_children): Call them.
600 (output_line_info): Disable removal of duplicate notes.
602 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
603 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
604 means pretend the type isn't defined.
605 Don't defer emitting types.
606 (gen_type_die_for_member): New fn.
607 (gen_decl_die): Call it.
608 (splice_child_die): New fn.
609 (gen_member_die): Call it rather than generate duplicate dies.
611 Defer emitting information for the abstract instance of an inline
612 until we either inline it or emit an out-of-line copy.
613 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
614 from output_inline_function if DECL_ABSTRACT is also set.
615 (block_ultimate_origin): Likewise.
616 (gen_abstract_function): New fn.
617 (gen_decl_die, gen_inlined_subroutine_die): Call it.
618 (gen_subprogram_die): An abstract instance is not a declaration
619 just because it doesn't match current_function_decl. Don't abort
620 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
621 has an abstract origin.
622 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
623 abstract instance here.
625 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
627 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
628 where we need to reload fpul from a system register.
630 1999-11-24 Andreas Jaeger <aj@suse.de>
632 * config/mips/linux.h (CPP_PREDEFINES): Added.
633 (LINK_SPEC): Remove -Y since this is only needed on sparc.
635 1999-11-24 Andreas Jaeger <aj@suse.de>
637 * config/mips/linux.h (TARGET_VERSION): Added.
638 (HANDLE_SYSV_PRAGMA): Added.
639 (DEFAULT_VTABLE_THUNKS): Added.
641 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
643 * local-alloc.c (qty): New structure and static variable.
644 (qty_phys_reg): Remove, all references changed to qty.
645 (qty_n_refs): Likewise.
646 (qty_min_class): Likewise.
647 (qty_birth): Likewise.
648 (qty_death): Likewise.
649 (qty_size): Likewise.
650 (qty_mode): Likewise.
651 (qty_n_calls_crossed): Likewise.
652 (qty_alternate_class): Likewise.
653 (qty_changes_size): Likewise.
654 (qty_first_reg): Likewise.
655 (alloc_qty): Rename variable QTY to QTYNO.
656 (finf_free_reg): Likewise.
657 (local_alloc): Allocate qty, do not allocate the removed variables.
659 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
661 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
662 when -membedded-pic is passed.
664 * config/mips/mips.md (casesi): Handle 64-bit case too.
665 (casesi_internal_di): New insn.
667 * config/mips/mips.c (embedded_pic_offset): Always make the
668 embedded-pic subtractions relative to the name of the current
669 function by use of the magic string "..CURRENT_FUNCTION".
670 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
672 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
674 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
675 of (const_int 0), when what we really care about is
676 whether it's a zero constant anyway.
677 (div_trap_mips16): Likewise.
679 1999-11-23 Mark Mitchell <mark@codesourcery.com>
681 * loop.c (loop_optimize): Always find_loop_tree_blocks and
682 unroll_block_trees when generating debuggable code.
684 * tree.h (unsave_expr_1): New function.
685 (lang_unsave): New variable.
686 (get_callee_fndecl): New function.
687 * tree.c (unsave_expr_now_r): New function.
688 (lang_unsave): Define.
689 (unsave_expr_1): Likewise.
690 (unsave_expr_now_r): Split out from unsave_expr_now.
691 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
692 call unsave_expr_now_r.
693 (get_callee_fndecl): Define.
695 * Makefile.in (gencheck): Don't depend on lang_tree_files.
696 (gencheck.o): Do depend on lang_tree_files.
698 * integrate.h (copy_decl_for_inlining): New declaration.
699 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
700 (copy_decl_for_inlining): New function.
701 (integrate_parm_decls): Use it.
702 (integrate_decl_tree): Likewise.
704 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
706 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
707 the second two from the first.
708 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
709 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
710 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
712 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
713 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
716 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
718 * pa.md (call_internal_symref, call_value_internal_symref): No mode
719 needed on the address operand.
720 * pa.c (call_operand_address): Check for the correct mode.
722 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
724 * loop.c: Include "basic-block.h".
725 (try_copy_prop, replace_loop_reg): New functions.
726 (load_mems): Detect registers that just hold copies of the hoisted
727 mem, and call try_copy_prop to eliminate them.
728 * Makefile.in (loop.o): Update dependencies.
730 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
732 * Makefile.in (gencheck.o): Depend on gencheck.h.
733 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
734 (insn-peep.o): Depend on except.h and function.h.
735 (insn-attrtab.o): Depend on RECOG_H.
736 (insn-output.o): Depend on toplev.h and flags.h.
737 (gengenrtl.o): Depend on real.h.
738 (gen-protos.o): Depend on cpplib.h and cpphash.h.
739 Unify all dependencies to be on RECOG_H rather than recog.h.
741 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
743 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
744 * configure.in: Try building a bi-arch 32/64-bit compiler on
745 sparc-*-solaris2.7 and higher.
746 * configure: Rebuild.
748 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
750 * config/freebsd.h: New, FreeBSD architecture independent file.
751 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
753 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
754 directly by i386/freebsd.h.
755 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
756 independent configuration file.
757 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
758 directly by i386/freebsd.h.
759 * configure: Rebuilt.
761 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
762 which is in the user's namespace.
763 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
764 `i386' which is not in our namespace.
766 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
768 * invoke.texi (ARM Options): Add in -mno-alignment-traps
770 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
772 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
773 (add_dwarf_attr, add_child_die): Just push onto the front.
774 (reverse_die_lists): New fn.
775 (add_sibling_attributes): Use it.
776 (push_decl_scope): Reorganize.
777 (add_name_and_src_coords_attributes): Don't set file and line for
779 (gen_subprogram_die): An artificial function doesn't need to match
781 (gen_compile_unit_die): Return the generated die. Only add
782 AT_comp_dir if the filename is relative.
783 (remove_AT): Simplify loop. Also free string values.
784 (output_die): A DIE ref can't be null.
785 (output_value_format, value_format): Take a dw_attr_ref.
786 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
787 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
788 AT_addr, AT_lbl): New fns.
792 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
794 * combine.c (combine_simplify_rtx): When handling a SUBREG,
795 take SUBREG_WORD into account.
796 (if_then_else_cond): Likewise.
798 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
800 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
801 clause from BSD license, pursuant with
803 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
805 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
807 * loop.c (load_mems): Reformat slightly.
808 * basic-block.h (regset_head): New typedef.
809 (INIT_REG_SET): New macro.
811 1999-11-22 Bruce Korb <autogen@linuxbox.com
813 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
814 (mips-dec-bsd*): non-functional code
815 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
817 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
818 added three replacement fixes
819 (no_double_slash): removed comments that are not (any longer) pertinent
820 (bad_lval): this fix currently runs against many files.
821 The comment seems to indicate that we should select for files
822 containing 'pragma extern_prefix'.
824 * fixinc/fixinc.x86-linux-gnu: deleted
825 * fixinc/inclhack.sh: regen
826 * fixinc/fixincl.x: regen
827 * fixinc/fixincl.sh: regen
829 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
831 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
832 its code is INSN and it has no notes.
834 1999-11-22 Andrew Haley <aph@cygnus.com>
836 * varasm.c (function_defined): Remove.
837 (make_function_rtl): Don't set function_defined.
838 (make_decl_rtl): Remove global register warning.
839 * regclass.c (no_global_reg_vars): New variable.
840 (globalize_reg): Warn if function has already been defined.
841 (regclass_init): Set no_global_reg_vars.
843 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
845 * regclass.c (reg_pref): New structure and static variable
848 (all uses of prefclass and altclass): Use reg_pref instead.
850 1999-11-21 Nick Clifton <nickc@cygnus.com>
852 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
854 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
855 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
856 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
858 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
860 * varasm.c (output_constructor): Solve problem with long long
861 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
863 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
865 * global.c (allocno): New structure and static variable.
866 (allocno_reg): Remove, all references replaced by allocno.
867 (allocno_size): Likewise.
868 (hard_reg_conflicts): Likewise.
869 (hard_reg_preferences): Likewise.
870 (hard_reg_copy_preferences): Likewise.
871 (hard_reg_full_preferences): Likewise.
872 (regs_someone_prefers): Likewise.
873 (allocno_calls_crossed): Likewise.
874 (allocno_n_refs): Likewise.
875 (allocno_live_length): Likewise.
876 (find_reg): Rename ALLOCNO to NUM.
878 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
880 (may_move_out_cost): New variable.
881 (init_reg_sets_1): Initialize may_move_out_cost.
882 (record_reg_classes): Use may_move_out_cost.
884 * regclass.c (dump_regclass): New function.
885 (regclass): New parameter DUMP, call DUMP_REGCLASS.
886 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
887 pass rtl_dump_file to regclass.
888 * rtl.h (regclass): Update prototype.
890 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
892 * i386.md (neg, not and abs patterns): Revmap to use
893 ix86_expand_unary_operator and ix86_unary_operator_ok.
894 (add?f and sub?f expanders): Force operand 1 to register.
895 * i386.c (ix86_expand_unary_operator): Rewrite.
896 (ix86_unary_operator_ok): Ensure that memory operands
898 (ix86_binary_operator_ok): Do not allow operand 1 to
899 come into memory and operand 0 not.
900 (ix86_expand_binary_operator): Ensure that
901 src1 is not non-matching memory.
903 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
904 to support integer registers and memory.
905 (abss?2_integer): Likewise.
907 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
908 (REG_CLASS_NAMES): Likewise.
909 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
911 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
912 (movsf): Likewise; unify 4th and 5th alternative.
914 (movdf_1): Likewise; rename to movdf_integer.
915 (pushxf): Likewise; rename to pushxf_integer; fix output template;
916 remove redundant splitter.
917 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
918 (movdf_nointeger): New.
919 (movxf_nointeger): New.
920 (pushxf_nointeger): New.
922 * i386.md (extend?f?f): Split to expander and pattern, refuse two
923 memory operands in patterns.
924 (fop*): Refuse two memory operands.
926 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
927 on !TARGET_USE_CLTD CPUs.
929 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
931 * extend.texi: Document C++ restricted pointers and references.
933 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
935 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
936 (invalidate_skipped_set): Call it unconditionally.
937 (cse_set_around_loop): Likewise.
939 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
941 * rtl.texi (mem): Add documentation for alias-set argument
944 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
946 * i386.h (struct_processor_costs): New fields int_load, int_store,
947 fp_move, fp_load and fp_store
948 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
950 (MEMORY_MOVE_COST): New macro.
951 * i386.c (386_cost): Define new fields.
952 (i486_cost): Likewise.
953 (pentium_cost): Likewise.
954 (pentiumpro_cost): Likewise.
957 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
958 Geoffrey Keating <geoffk@cygnus.com>
960 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
962 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
965 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
966 (TARGET_STRICT_ALIGNMENT): New macro.
967 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
968 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
969 * invoke.texi (M680x0 Options): Document -mstrict-align.
971 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
972 Richard Henderson <rth@cygnus.com>
974 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
975 (ix86_split_long_move): Declare.
976 * i386.c (split_xf, ix86_split_movdi): Remove.
977 (ix86_split_to_parts, ix86_split_long_move): New.
978 * i386.md (dimode move splitters): Use ix86_split_long_move.
979 (dfmode move splitters): Likewise.
980 (xfmode move splitters): Likewise.
981 (movsf_1): Allow F->r.
982 (movdf_1, movxf_1): Allow F->ro.
984 1999-11-17 Mark Mitchell <mark@codesourcery.com>
986 * except.h (struct eh_entry): Add goto_entry_p.
987 (eh_region_from_symbol): Remove prototype.
988 * except.c (find_func_region_from_symbol): New function.
989 (emit_cleanup_handler): Likewise.
990 (eh_region_from_symbol): Make it static.
991 (add_new_handler): Verify the argument.
992 (find_func_region): Update comment.
993 (expand_eh_region_end): Expand handlers here, rater than waiting
994 until expand_leftover_cleanups or start_all_catch.
995 (expand_leftover_cleanups): Don't expand here.
996 (expand_start_all_catch): Or here.
997 (expand_rethrow): Check the return value from find_func_region.
998 * function.c (expand_function_end): Emit the catch_clauses.
1000 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
1002 * integrate.c (expand_inline_function): Add necessary check for NULL.
1004 1999-11-18 Nick Clifton <nickc@cygnus.com>
1006 * toplev.c (main): Correctly detect an unrecognised option.
1008 * cppinit.c (cpp_handle_option): Do not claim to have consumed
1009 a -f option if it has not been recognised.
1011 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
1013 * basic-block.h (update_life_extent): Remove trailing comma on
1014 enumeration type list.
1016 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1018 * varasm.c (output_constructor) Solved problem with long long
1019 bitfields. Corrected calculating this_time and shift. Also
1020 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
1022 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
1024 * flow.c (split_edge): Take looping structure into account when
1025 determining where to put the new block note.
1027 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
1029 * Makefile.in (ggc-none.o): Provide host specific version if
1032 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
1034 * cse.c (delete_trivially_dead_insns): Identify no-op insns
1035 containing subregs too.
1037 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1039 * invoke.texi: Add documentation for -muninit-const-in-rodata.
1040 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
1041 (TARGET_UNINIT_CONST_IN_RODATA): Define.
1042 (text_section): Add switches -munint-const-in-rodata and
1043 -mno-uninit-const-in-rodata.
1044 (ASM_OUTPUT_COMMON): Remove.
1045 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
1046 const objects should be placed in read-only data. Otherwise declare
1049 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
1051 * jump.c (jump_optimize_1): Revert last change.
1053 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
1055 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
1056 test if optimizing for size.
1058 1999-11-17 Mark Mitchell <mark@codesourcery.com>
1060 * Makefile.in (toplev.o): Depend on except.h.
1061 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
1063 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1065 * i386.md (divmodsi4): Rewrite to expander.
1066 (*divmodsi4_nocltd): New.
1067 (*divmodsi4_cltd): New.
1068 (divmodsi4 splitter): Handle the case when input comes in edx.
1069 (udivmodhi4): Do not use constraints in exander.
1070 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
1072 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
1074 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
1075 for the common case.
1077 1999-11-16 Jakub Jelinek <jakub@redhat.com>
1079 * explow.c (hard_function_value): Add outgoing argument.
1080 * expr.h (hard_function_value): Declare it.
1081 * calls.c (expand_call, emit_library_call_value): Update callers.
1082 * function.c (aggregate_value_p): Ditto.
1083 (diddle_return_value): Must look at the outgoing registers
1084 on archs with register windows.
1086 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
1088 * alpha.c (alpha_build_va_list): Use make_lang_type and
1089 initialize TYPE_NAME for the va_list record.
1091 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
1093 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
1095 * ggc.h (struct ggc_statistics): Rearrange elements for better
1096 packing on 64-bit hosts.
1097 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
1098 (compute_nearerout): Likewise.
1100 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
1102 * config/rs6000/rs6000.c (first_reg_to_save): Save
1103 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
1105 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
1107 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
1108 notion of nesting to find the DIE for a type or function.
1109 DIEs can go in limbo even if we got a context_die.
1110 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
1111 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
1113 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
1114 (gen_type_die): Writing out the context doesn't cause member class
1115 template instantiations to be written out as well.
1117 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
1119 * rs6000.h (ASM_OUTPUT_DEF): New.
1120 Based on proposed addition from David Edelsohn.
1122 1999-11-15 Robert Lipe <RobertLipe@usa.net>
1123 Bruce Korb <autogen@linuxbox.com>
1125 * fixinc/inclhack.def
1126 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
1127 (unixware7_byteorder_fix): added. Removes conflicts for new defs
1129 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
1130 (svr4_endian): enabled with SVR5
1131 (svr4_mkdev): simplified syntax and enabled with SVR5
1133 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
1135 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
1136 * configure: Rebuilt.
1137 * config/t-freebsd-thread: New file.
1139 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
1141 * i386.c (ix86_decompose_address): Verify the base is a REG
1142 before trying to examine its register number.
1144 * basic-block.h: Remove all #defines and prototypes related to
1146 (free_bb_mem, compute_preds_succs): Remove prototype.
1147 * rtl.h (free_bb_mem): Remove prototype.
1148 * flow.c (alloc_int_list_node); Remove function.
1149 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
1150 (compute_preds_succs, free_bb_mem): Likewise.
1151 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
1152 * toplev.c (rest_of_compilation): Likewise.
1153 * haifa-sched.c (build_control_flow): Use flow generated edge
1154 list to build the haifa specific edge list.
1155 (find_rgns): Use new CFG data structures instead of pred/succ lists.
1156 (schedule_insns): Do not build pred/succ lists anymore. Instead
1157 build the edge table.
1159 * basic-block.h (dump_bb_data): Remove declaration.
1160 * flow.c (dump_bb_data): Remove function.
1161 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
1162 (sbitmap_union_of_predsucc): Likewise.
1164 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
1165 argument. All callers changed.
1166 (delete_null_pointer_checks_1): No longer need to compute the
1169 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
1170 All callers changed.
1171 (pre_expr_reaches_here_p_work): Likewise.
1172 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
1173 * lcm.c (compute_laterin): Fix initialization of LATER.
1174 (compute_nearerout): Similarly for NEARER.
1176 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1178 * cse.c (set_nonvarying_address_components): Delete unused function.
1179 (refers_to_p): Likewise.
1181 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
1183 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
1186 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1188 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
1189 definition in do while (0).
1191 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
1193 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
1195 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
1197 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
1199 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
1201 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
1202 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
1203 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
1204 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
1206 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
1207 saved on the stack. Output more accurate stack frame statistics
1208 into assembler file.
1210 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
1212 * genextract.c (record_insn_name): New function.
1213 (get_insn_name): No longer a stub.
1214 (main): Call record_insn_name for each insn. After each label
1215 written, print the insn name in a comment.
1217 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1219 * output.h (const_section, init_section, fini_section): Add
1222 * alpha/elf.h (const_section): Delete declaration.
1224 * svr4.h (const_section): Likewise.
1226 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
1228 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
1229 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
1230 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
1232 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
1233 variable-sized array bounds.
1235 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
1237 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
1240 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1242 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
1243 addresses the same way GO_IF_LEGITIMATE_INDEX does.
1245 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1247 * cse.c (hash_arg_in_struct): Delete.
1248 (struct table_elt): Delete elt in_struct.
1249 (struct set): Delete elt src_in_struct.
1250 (merge_equiv_classes): Don't set either hash_arg_in_struct or
1251 the corresponding in_struct elts.
1252 (canon_hash): Likewise.
1253 (safe_hash): Likewise.
1254 (find_best_addr): Likewise.
1255 (record_jump_cond): Likewise.
1256 (cse_insn): Likewise.
1258 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
1260 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
1262 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
1265 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
1267 * function.c (diddle_return_value): Put back check that the DECL_RTL
1268 for the function is a register.
1270 * function.c (diddle_return_value): Use hard_function_value to
1271 get an rtx suitable for use in the USE/CLOBBER insn.
1273 * global.c (global_conflicts): Update comments.
1274 (record_conflicts): No need to record conflicts between pseudos here.
1276 1999-11-11 Bruce Korb <autogen@linuxbox.com>
1278 * fixinc/fixincl.c: Added verbose levels for status messages
1280 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1282 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
1283 operand as argument to expand_and or expand_binop.
1285 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
1287 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
1288 gcc_add_string_root.
1290 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
1292 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
1294 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
1296 * flow.c (compute_flow_dominators): Initially put all blocks on
1298 * lcm.c (compute_antinout_edge, compute_available): Similarly.
1299 * gcse.c (compute_cprop_avinout): Remove.
1300 (compute_cprop_data): Use compute_available.
1301 (delete_null_pointer_checks_1): Use compute_available.
1303 * basic-block.h (compute_available): Returns a void now.
1304 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
1305 to return a value anymore.
1306 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
1307 worklists. Fix boundary cases. Compute maximal solutions.
1308 (compute_laterin, compute_nearerout): Similarly.
1310 * dwarf2out.c (add_AT_location_description): Allow
1311 (mem (plus (pseudo) (...)) too.
1313 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
1315 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
1317 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
1318 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1320 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
1322 * gansidecl.h: Likewise.
1328 * toplev.h: Likewise.
1334 * varray.c: Likewise.
1336 * varray.h: Likewise.
1338 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
1340 * gcov.c (struct arcdata): Add hits and total, remove prob.
1341 (output_branch_counts): New.
1342 (process_args): Set output_branch_counts if -c.
1343 (calculate_branch_probs): Store hits and total instead of
1345 (output_data): Emit counts if output_branch_counts is true.
1346 * gcov.texi (Invoking Gcov): Document -c switch..
1348 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
1350 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
1351 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
1353 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
1355 * invoke.texi (C Dialect Options): Add missing builtins from
1357 * extend.texi (Other Builtins): Copy to this list.
1359 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1361 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
1362 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
1365 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
1367 * flow.c (compute_flow_dominators): No longer treat basic block 0
1368 or (n_basic_blocks - 1) specially. Clear the AUX field before
1369 starting computation of doms/pdoms. Fix initial state for pdoms.
1371 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1373 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
1374 match rtl.o's: added ggc.h and toplev.h
1375 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
1376 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
1377 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
1379 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
1381 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
1382 from HAVE_DOS_BASED_FILESYSTEM.
1383 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
1384 HAVE_DOS_BASED_FILESYSTEM.
1386 (split_directories): Only special-case DOS file names if
1387 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
1388 instead of explicit tests. Conditionalize on !VMS.
1389 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
1390 tests. Conditionalize on !VMS.
1391 (process_command): Only use make_relative_prefix if !VMS.
1392 (free_split_directories): Conditionalize on !VMS.
1393 (DIR_UP): Conditionalize on !VMS.
1395 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
1397 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
1399 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
1401 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
1404 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
1406 * invoke.texi (Environment Variables): Document relative path
1408 * gcc.c (DIR_UP): If not defined, define as "..".
1409 (standard_bindir_prefix): New static, holds target location to
1411 (split_directories): New function to split a filename into
1412 component directories.
1413 (free_split_directories): New function, release memory allocated
1414 by split_directories.
1415 (make_relative_prefix): New function, make a relative pathname if
1416 the compiler is not in the expected location.
1417 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
1418 can figure out an appropriate prefix from argv[0].
1419 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
1420 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
1421 STANDARD_BINDIR_PREFIX.
1423 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1425 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
1427 * config/c4x/c4x.h: Moved prototypes to c4x.h.
1428 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
1429 c4x_secondary_memory_needed) Delete.
1430 (fp_zero_operand): Add mode argument.
1432 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
1434 * reload1.c (reload_reg_free_for_value_p): Don't use a register
1435 that is in reload_reg_used.
1437 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
1439 * config/arm/arm-protos.h: New file: Prototypes for functions
1440 defined in arm.c and pe.c.
1441 * config/arm/arm.h: Fix compile time warnings.
1442 * config/arm/arm.c: Fix compile time warnings.
1443 * config/arm/pe.h: Fix compile time warnings.
1444 * config/arm/aout.h: Fix compile time warnings.
1446 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
1448 * config/m32r/m32r-protos.h: New file: Prototypes for functions
1451 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
1452 Add support for subtargets.
1453 Add prototypes for new predicates.
1454 Add scheduling macros.
1456 * config/m32r/m32r.c: Fix compile time warnings.
1457 (int8_operand): New predicate function.
1458 (reg_or_cmp_int16_operand): New predicate function.
1459 (extend_operand): New predicate function.
1460 (m32r_adjust_code): New scheduling function.
1461 (m32r_adjust_priorty): New scheduling function.
1462 (m32r_sched_init): New scheduling function.
1463 (m32r_sched_reorder): New scheduling function.
1464 (m32r_sched_variable_issue): New scheduling function.
1465 (direct_return): New codegen function.
1466 (m32r_not_same_reg): New rtl testsing function.
1468 * config/m32r/m32r.md: Fix compile time warnings.
1469 Add support for pre decrement and post increment memory
1474 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1476 * global.c (EXECUTE_IF_CONFLICT): Don't define.
1477 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
1478 (find_reg): Likewise.
1480 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
1482 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
1483 to avoid assembler errors.
1485 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
1487 * config/v850/v850-protos.h: New file: Prototypes for functions
1489 * config/v850/v850.h: Move prototypes to v850-protos.h
1490 * config/v850/v850.c: Move prototypes to v850-protos.h
1491 * config/v850/v850.md: Fix compile time warnings.
1493 * config/fr30/fr30-protos.h: New file: Prototypes for functions
1495 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
1496 * config/fr30/fr30.c: Fix compile time warnings.
1497 * config/fr30/fr30.md: Fix compile time warnings.
1499 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
1501 * tree.h (get_containing_scope): Declare it.
1502 * tree.c (get_containing_scope): New fucntion.
1503 (decl_function_context): Use it.
1504 * toplev.c (rest_of_compilation): Use get_containing_scope.
1506 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1508 * Makefile.in (rtl.o): Depend on toplev.h.
1510 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
1512 * cse.c (delete_trivially_dead_insns): Replace alloca with
1514 * except.c (update_rethrow_references): Likewise.
1515 (init_eh_nesting_info): Likewise.
1516 * function.c (identify_blocks): Likewise.
1517 * gcse.c (dump_hash_table): Likewise.
1518 * graph.c (print_rtl_graph_with_bb): Likewise.
1519 * loop.c (combine_movables): Likewise.
1520 (move_movables): Likewise.
1521 (count_loop_regs_set): Likewise.
1522 (strength_reduce): Likewise.
1523 * profile.c (compute_branch_probabilities): New function, split
1525 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
1526 * regclass.c (regclass): Likewise.
1527 * regmove.c (regmove_optimize): Likewise.
1528 * toplev.c (compile_file): Likewise.
1529 (main): Don't mess with the stack rlimit.
1531 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
1533 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
1534 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
1536 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
1538 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
1540 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
1542 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
1543 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
1546 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
1548 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
1550 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
1552 * gcse.c (post_dominators): Kill.
1553 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
1554 (compute_code_hoist_data): Use compute_flow_dominators. Do not
1555 pass in a pdom array since we do not need pdoms.
1556 * haifa-sched.c (schedule_insns): Similarly.
1557 * flow.c (compute_dominators): Remove dead function.
1558 (compute_flow_dominators): Do not compute doms or pdoms if the
1559 caller does not request them. Split up loop to build doms and
1560 pdoms. Use a worklist to compute doms and pdoms.
1561 * basic-block.h (compute_dominators): Remove prototype.
1563 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
1565 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
1566 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
1567 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
1568 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
1569 (cant_move, fed_by_spec_load, is_load_insn): Remove.
1570 (schedule_region): Remove unused variable.
1571 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
1573 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
1575 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
1576 (update_equiv_regs): Likewise.
1577 (block_alloc): Likewise.
1578 * reg-stack.c (reg_to_stack): Likewise.
1579 (convert_regs_2): Likewise.
1580 * reload1.c (reload_as_needed): Likewise.
1582 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
1584 * Makefile.in (dbxout.o): Depend on ggc.h.
1585 (dwarf2out.o): Likewise.
1586 (xcoffout.o): Likewise.
1587 * dbxout.c: Include ggc.h.
1588 (dbxout_init): Register lastfile as a root.
1589 * dwarf2out.c: Include ggc.h.
1590 (dwarf2out_line): Register lastfile as a root.
1591 * xcoffout.c: Include ggc.h.
1592 (xcoffout_source_line): Register xcoff_lastfile as a root.
1594 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
1596 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
1598 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
1600 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
1602 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1604 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1606 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
1607 (EXECUTE_IF_CONFLICT): Likewise.
1608 (ALLOCNO_LIVE_P): Avoid signed division.
1609 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
1610 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
1611 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
1613 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
1615 * haifa-sched.c (schedule_block): Don't crash if there's no
1616 next insn for an interblock movement.
1617 (add_branch_dependences): Don't allow clobber insns to move either.
1619 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
1621 * i386.c (split_xf): New.
1622 * i386-protos.h: Declare it.
1623 * i386.md (movxf_1): Add general regs alternatives.
1624 (movxf_1+1): New splitter for same.
1626 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
1628 * function.c (purge_addressof_1): Add missing return values.
1630 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
1632 * function.c (is_addressof): New function. Returns true if
1633 the given piece of RTL is an ADDRESSOF.
1634 (purge_addressof_1): Make boolean. Return false if the
1635 ADDRESSOFs could not be purged.
1636 (purge_addressof): If ADDRESSOFs could not be purged from the
1637 notes attached to an insn, remove the offending note(s),
1638 unless they are attached to a libcall.
1640 1999-11-05 Andreas Jaeger <aj@suse.de>
1642 * genoutput.c (null_operand =): Initialize all fields.
1644 * errors.h: Add extern to prototypes.
1646 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
1648 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
1649 * configure: Rebuilt.
1651 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1653 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
1654 (mirror_conflicts): New function.
1655 (global_alloc): Call it.
1656 (expand_preferences): Remove redundant CONFLICTP test.
1657 (find_reg, dump_conflicts): Likewise.
1658 (prune_preferences): Process conflicts one word at a time.
1660 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
1662 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
1663 instead of an explicit loop.
1665 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
1667 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
1668 if REG_RETVAL check succeeds, then put classp in src_elt.
1670 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
1672 * function.c (pad_to_arg_alignment): Only update argument_pad
1673 if the argument's alignment is greater than STACK_BOUNDARY.
1675 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
1677 * bitmap.h (BITMAP_XFREE): New.
1678 * flow.c (life_analysis): Use it.
1679 (life_analysis_1): Free blocks.
1681 * combine.c (undo_commit): New.
1682 (try_combine): Use it. Don't zap undobuf.undos.
1683 (combine_instructions): Don't zap undobuf.undos; free the
1686 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
1688 * stmt.c (cost_table_): New.
1689 (estimate_case_costs): Use it instead of xmalloc.
1691 * toplev.c (compile_file): Reuse dumpname memory instead
1694 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
1696 * reg-stack.c (convert_regs_1): Initialize target_stack->top
1697 after verifying an EH edge.
1699 * haifa-sched.c (init_rgn_data_dependences): Correctly
1700 size bb_pending_lists_length when zeroing.
1702 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
1704 * function.c (diddle_return_value): New.
1705 (expand_function_end): Use it.
1706 * stmt.c (expand_null_return): Likewise.
1707 (expand_value_return): Likewise.
1709 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
1711 * reload1.c (reload): Don't remove return value clobbers.
1713 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
1715 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
1717 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
1719 * cse.c (cse_main): Use xmalloc, not alloca.
1720 (cse_basic_block): Likewise.
1721 * local-alloc.c (local_alloc): Likewise.
1723 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
1724 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1726 * rtl.c: Include toplev.h.
1727 (fatal): Remove declaration.
1729 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
1731 * haifa-sched.c (schedule_block): Fix thinko.
1733 1999-11-03 James McKelvey <mckelvey@fafnir.com>
1735 * fixinc/fixincl.c(create_file): Allow for systems that do not have
1736 S_IR* defined values
1738 1999-11-03 Philippe De Muyter <phdm@macqel.be>
1740 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
1741 call `malloc' instead.
1743 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
1745 * flags.h (flag_renumber_insns): Declare.
1746 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
1748 * rtl.h (renumber_insns): Change prototype.
1749 * toplev.c (flag_renumber_insns): Define.
1750 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
1752 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
1754 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
1755 and fpsqrtd. Use them and create fdiv function unit to more
1756 accurately represent fpu sqrt pipeline semantics on UltraSparc.
1757 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
1759 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
1761 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
1763 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
1764 insn into ready list, do not use just a raw swap.
1766 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
1768 * rtl.h (renumber_insns): New function.
1769 (remove_unnecessary_notes): Likewise.
1770 * emit-rtl.c (renumber_insns): Define.
1771 (remove_unncessary_notes): Likewise.
1772 * toplev.c (rest_of_compilation): Remove dead code.
1773 Use renumber_insns and remove_unncessary_notes.
1775 * gcse.c (struct null_pointer_info): New type.
1776 (get_bitmap_width): New function.
1777 (current_block): Remove.
1778 (nonnull_local): Likewise.
1779 (nonnull_killed): Likewise.
1780 (invalidate_nonnull_info): Take a null_pointer_info as input.
1781 (delete_null_pointer_checks_1): New function.
1782 (delete_null_pointer_checks): Use it.
1784 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
1785 (split_edges): Likewise.
1786 (schedule_block): Likewise.
1787 (compute_block_backward_dependencies): Likewise.
1788 (schedule_region): Likewise.
1789 (schedule_insns): Likewise.
1791 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
1793 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
1794 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
1795 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
1796 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
1797 * jump.c (delete_unreferenced_labels): Don't delete if
1798 LABEL_ALTERNATE_NAME is set.
1799 * print-rtl.c (print_rtx): Dump alternate name.
1800 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
1801 * rtl.h (LABEL_ALTERNATE_NAME): Define.
1802 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
1803 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
1805 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1807 * fix-header.c (recognized_extern, recognized_function): Constify
1810 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
1811 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
1812 (compute_available): Remove unused variable `last'.
1813 (compute_nearerout): Remove unused variable `temp_bitmap'.
1814 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
1815 Remove unused variable `x'.
1817 * scan.h (recognized_function, recognized_extern): Constify a
1820 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
1822 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1824 * varasm.c (decode_rtx_const): Use XSTR to access the string
1827 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
1829 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
1831 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1833 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
1835 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
1837 * pa.c (ireg_operand): New function.
1838 * pa.h (PREDICATE_CODES): Handle ireg_operand.
1839 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
1840 Fix out of date comment.
1842 * pa.md (negdi2): Turn into expander + anonymous pattern.
1844 * reload.c (find_reloads): Fix typos in recent change.
1846 * dwarf2out.c: Do not include ctype.h.
1848 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1850 * regclass.c (record_reg_classes): Always use may_move_cost when
1851 seeing how operand fits with various register classes.
1853 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
1855 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
1856 * toplev.c: Revert Nov 1 13:22 change.
1858 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
1860 * config/pa/pa.md (height reduction patterns): Add checks for
1861 overlapping operands to avoid semantic-destroying splits for
1862 height reduction patterns.
1864 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1866 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
1867 have been an hyphen, fixed.
1868 * configure: Rebuilt.
1870 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
1872 * config/arm/tpe.h: Add prototypes for exported functions.
1873 * config/arm/pe.c: Fix compile time warnings.
1874 * config/arm/semi.h: Fix compile time warnings.
1875 * config/arm/arm.c: Fix compile time warnings.
1876 * config/arm/arm.h: Fix compile time warnings.
1877 * config/arm/arm.md: Fix compile time warnings.
1878 * config/arm/thumb.c: Fix compile time warnings.
1879 * config/arm/thumb.h: Fix compile time warnings.
1880 * config/arm/thumb.md: Fix compile time warnings.
1882 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
1884 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
1887 * unroll.c (unroll_loop): Remove LOOP notes when loop is
1888 completely unrolled.
1890 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1892 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
1894 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
1896 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
1897 * rtl.h (rtx_equal_p): Move prototype.
1898 * rtl.c (rtx_equal_function_value_matters): Move from
1900 (rtx_equal_p): Likewise.
1901 * rtlanal.c (rtx_equal_function_value_matters): Delete.
1902 (rtx_equal_p): Likewise.
1904 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
1906 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
1909 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
1911 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
1913 * pa.h (ADDR_VEC_ALIGN): Define.
1915 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
1916 notes when presented with "if (foo) break; end_of_loop" and
1917 the break sequence gets moved out of the loop.
1919 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
1920 Remove explicit zero initializations of entries within MAP.
1922 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
1924 * reg-stack.c (convert_regs_1): Handle EH edges specially.
1926 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
1928 * bitmap.h (BITMAP_XMALLOC): New macro.
1929 * flow.c (CLEAN_ALLOCA): Remove.
1930 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
1931 (life_analysis): Likewise.
1932 (update_life_info): Don't use CLEAN_ALLOCA.
1933 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
1934 (calculate_global_regs_live): Likewise.
1935 (print_rtl_with_bb): Likewise.
1936 (verify_flow_info): Likewise.
1937 * global.c (global_alloc): Likewise.
1938 (global_conflicts): Likewise.
1939 * integrate.c (save_for_inline_nocopy): Likewise.
1940 (expand_inline_function): Likewise.
1941 * jump.c (jump_optimize_1): Likewise.
1942 (duplicate_loop_exit_test): Likewise.
1943 (thread_jumps): Likewise.
1944 * loop.c (loop_optimize): Likewise.
1945 (combine_givs): Likewise.
1946 (recombine_givs): Likewise.
1947 * reorg.c (dbr_schedule): Likewise.
1948 * unroll.c (unroll_loop): Likewise.
1950 * combine.c (combine_instructions): Use xmalloc instead of alloca.
1952 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
1954 * toplev.c (rest_of_compilation): Don't optimize the CFG
1955 when rebuilding, just before dbr.
1957 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1959 * output.h (assemble_end_function, assemble_destructor,
1960 assemble_constructor, assemble_gc_entry, assemble_global,
1961 assemble_label, output_constant_pool) Constify a char*.
1963 * varasm.c (assemble_destructor, assemble_constructor,
1964 assemble_gc_entry, assemble_end_function, assemble_global,
1965 assemble_label, output_constant_pool): Likewise.
1967 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
1969 * config/arm/thumb.c (thumb_expand_prologue): Add comments
1970 explaining what is goin on in this function.
1972 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1974 * regclass.c (record_reg_classes): In matching case, recompute
1975 costs since the direction of movement is different.
1977 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1979 * resource.c (mark_target_live_regs): For unconditional branches,
1980 the resources found at the branch target should be added to the
1981 resources found so far, not intersected.
1983 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
1985 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
1987 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
1988 (sys/mman.h): Include this file only if #HAVE_MMAP.
1989 (run_compiles): Initialize `esac_fmt' with one old KR string, not
1990 with automatically concatenated ANSI strings.
1992 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
1994 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
1995 (DIV_ROUND_UP): Robustify.
1996 (ggc_recalculate_in_use_p): New function.
1997 (release_pages): Don't inline it.
1998 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
2000 (ggc_pop_context): Use ggc_recalculate_in_use_p.
2001 (clear_marks): Always save in_use_p.
2002 (sweep_pages): Use ggc_recalculate_in_use_p.
2003 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
2004 Release pages before counting statistics.
2006 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
2008 * toplev.c (rest_of_compilation): Fix thinko in this change:
2010 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
2012 (rest_of_compilation): If inside an inlined external function,
2013 pretend we are just being declared.
2015 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
2017 * flow.c (calculate_global_regs_live): Fix thinko.
2019 * integrate.c (expand_inline_function): Fix bugs in previous
2020 change from Oct 28, 1999.
2022 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
2024 * stmt.c (expand_value_return): Fix typo in this change:
2026 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2027 (expand_value_return): Correctly convert VAL when promoting function
2028 return; support RETURN_REG being a PARALLEL.
2030 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
2032 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
2034 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2036 * hard-reg-set.h (reg_names): Constify a char*.
2038 * regclass.c (reg_names): Likewise.
2040 * regs.h (reg_names): Likewise
2042 * a29k/a29k.c (reg_names): Delete declaration.
2044 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
2046 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
2047 arc_output_function_epilogue): Likewise.
2049 * elxsi/elxsi.c (reg_names): Likewise.
2051 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
2053 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
2056 * m88k/m88k.c (output_function_profiler): Likewise.
2058 * sparc/sparc.c (sparc_flat_output_function_prologue,
2059 sparc_flat_output_function_epilogue): Likewise.
2061 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
2063 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
2064 warning from -Wuninitialized and put it under -W.
2065 * function.c (uninitialized_vars_warning): Warn only when the
2066 corresponding flag is set.
2068 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
2070 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
2071 is nonzero and the single set does not have an elt, then assign
2074 * simplify-rtx.c: New file.
2075 * Makefile.in (OBJS): Add simplify-rtx.o
2076 (simplify-rtx.o): Add dependencies.
2077 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
2078 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
2079 (cse_gen_binary, simplify_unary_operation): Delete.
2080 (simplify_binary_operation, simplify_plus_minus): Likewise.
2081 (check_fold_consts, simplify_relation_operation): Likewise.
2082 (simplify_ternary_operation): Likewise.
2083 (delete_trivially_dead_insns): Simplify the contents of the
2084 REG_EQUAL note before trying to substitute it into the source
2085 of the reg-reg copy at the end of a libcall sequence.
2087 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
2088 references/callers changed.
2090 * mn10200.c (mn10200_va_arg): Force the return value into a
2093 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
2095 * cccp.c (macroexpand): Avoid out of range accesses for omitted
2098 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
2100 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
2102 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
2104 * fold-const.c (fold): Fix thinko when optimizing comparisons
2107 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
2109 * gcc.texi (Passes): Update front-end files to their current
2112 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
2114 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
2115 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
2116 (PREDICATE_CODES): Add addition_operation.
2117 * alpha-protos.h (addition_operation): Declare.
2118 (secondary_reload_class): Likewise.
2119 * alpha.c (addition_operation): New.
2120 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
2121 * alpha.md (adddi3): Turn into expander.
2122 (*lda, *adddi_2): New.
2123 (movsf, movdf patterns): Don't preference integer regs.
2124 (movsi, movdi patterns): Don't preference fp regs.
2126 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
2128 * genrecog.c (write_switch): Check for duplicate CODE cases.
2130 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
2132 * ggc-common.c: Update pre-function commentary.
2133 * ggc-page.c: Likewise.
2135 (poison_pages): Use memset directly.
2136 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
2137 (ggc_collect): Poison before sweeping.
2138 * ggc-simple.c: Update pre-function commentary.
2139 (ggc_alloc_obj): Poison non-zeroed memory.
2141 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
2143 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
2144 match format string, even on 64-bit hosts.
2145 * gcc-page.c (ggc_page_print_statistics): Likewise.
2147 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
2149 * config/i386/i386.c (ix86_cpu): Revert last patch.
2150 * config/i386/i386.h (ix86_cpu): Ditto.
2152 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
2154 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
2155 TYPE_SIZE, convert type of result to sizetype.
2157 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
2159 * flow.c (count_or_remove_death_notes): Equate NULL with the
2162 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
2163 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
2166 * i386.c (pic_label_no): Delete.
2167 (ix86_attr_length_default): Don't use single_set to peek
2170 * recog.c (peephole2_optimize): Allow recog_next_insn to index
2171 the first insn after bb->end.
2172 * i386.md (push mem peeps): Scratch is live after evaluation
2174 (cmp mem peep): Similarly.
2176 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
2178 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
2179 * function.c (pad_to_arg_alignment): Add missing braces.
2181 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2183 * alpha/alpha-protos.h (literal_section): Add prototype.
2184 (alpha_need_linkage, alpha_start_function,alpha_end_function):
2187 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
2189 (alpha_start_function, alpha_end_function, float_strings,
2190 alpha_need_linkage): Constify a char*
2192 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
2194 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
2196 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
2198 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
2200 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2202 * flow.c (debug_flow_info): Add prototype.
2204 * gcc.c (main): Likewise.
2206 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
2209 * reload1.c (failed_reload, set_reload_reg): Likewise.
2211 * mips-tfile.c (main): Likewise.
2212 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
2213 with ATTRIBUTE_NORETURN.
2215 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
2217 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
2218 DECL is not a memory ref.
2220 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
2222 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
2223 * config/i386/i386.c (ix86_cpu): Add extern attribute.
2225 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
2227 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
2228 * config/mips/elf64.h: ditto.
2230 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
2232 * expr.c (emit_push_insn): New argument alignment_pad.
2233 Update all callers. Adjust stack pointer based on alignment pad.
2234 * function.c (pad_to_arg_alignment): New argument alignment_pad.
2235 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
2236 (locate_and_pad_parm): New argument alignment_pad. Update all
2238 * expr.h (emit_push_insn): Update prototype.
2239 (locate_and_pad_parm): Update prototype.
2240 * calls.c (arg_data): Add new field alignment_pad.
2241 (initialize_argument_information): Initialize alignment_pad.
2243 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
2245 * except.c (free_eh_nesting_info): Free the info itself.
2246 * function.c (free_after_compilation): Don't free NULL.
2247 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
2248 (pre_edge_insert): Free inserted.
2249 * stmt.c (free_stmt_status): Don't free NULL.
2251 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
2253 * gcov.c (DIR_SEPARATOR): Provide default.
2254 (output_data): Add test for MS-DOS format absolute filename.
2255 (fancy_abort): Correct program name.
2256 (open_files): Open all files in binary mode.
2257 * libgcc2.c (__bb_exit_func): Likewise.
2259 * profile.c (init_branch_prob): Specify binary when opening files.
2261 * flags.h (flag_unwind_tables): New decl.
2262 * toplev.c (flag_unwind_table): New definition.
2263 (f_options): Add -funwind-tables.
2264 (decode_g_option): Clarify warning when unknown -g option is given.
2265 (rest_of_compilation): If inside an inlined external function,
2266 pretend we are just being declared.
2268 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
2269 (dwarf2out_frame_finish): Likewise.
2271 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
2273 * fold-const.c (merge_ranges): In not in0, but in1, handle
2274 upper bounds equal like subset case.
2276 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
2278 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
2279 passed in a register but moved to the stack.
2281 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
2283 * gcc.c (pass_exit_codes, greatest_status): New variables.
2284 (struct option_map): Add entry for "--pass-exit-codes".
2285 (execute): Update greatest_status if error.
2286 (display_help): Add documentation for -pass-exit-codes.
2287 (process_command): Handle -pass-exit-codes.
2288 (main): Look at pass_exit_codes and greatest_status on call to exit.
2290 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2292 * reload.c (find_reloads): Refine test for no input reload
2293 case to not includes reloads emitted after insn.
2295 * function.c (find_temp_slots_from_address): Handle sum involving
2296 a register that points to a temp slot.
2297 (update_temp_slot_address): Make recursive call if both old and
2298 new are PLUS with a common operand.
2299 * calls.c (expand_call): Mark temp slot for result as having
2302 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
2304 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
2305 component as well as "BINUTILS".
2307 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
2308 * integrate.c (copy_rtx_and_substitute): Likewise.
2309 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
2310 All callers changed.
2311 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
2313 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
2314 gdb extensions, write size of type; also be more consistent
2315 in using references when this is a subtype.
2317 * pa.md (extv, extzv, insv): Use define_expand to reject constant
2318 that is out of range.
2320 * loop.c (unknown_constant_address_altered): New variable.
2321 (prescan_loop): Initialize it.
2322 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
2323 (invariant_p, case MEM): Remove handling for volatile and readony;
2324 check new variable if readonly.
2325 (check_dbra_loop): Chdeck unknown_constant_address_altered.
2327 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
2328 (addr_affects_sp_p): Removed from note_mem_written and only
2329 define #ifdef AUTO_INC_DEC.
2331 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
2333 * regclass.c (record_reg_classes): Properly handle register move
2336 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
2337 Don't think valid if both operands are invalid.
2338 (struct constant_descriptor): New field RTL.
2339 (mark_const_hash_entry): Mark it.
2340 (record_constant{,_rtx}): Initialize it.
2341 (output_constant_def): Allocate RTL in permanent obstack and
2343 ({record,compare}_constant_1): Modes must match for
2344 CONSTRUCTOR of ARRAY_TYPE.
2346 * c-common.h (initializer_constant_valid_p): Delete decl from here.
2347 * output.h (initializer_constant_valid_p): Move decl to here.
2348 * c-common.c (initializer_constant_valid_p): Delete function from here.
2349 * varasm.c (initializer_constant_valid_p): Move function to here.
2351 * tree.h (STRIP_SIGN_NOPS): New macro.
2352 * fold-const.c (optimize_minmax_comparison): New function.
2353 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
2354 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
2355 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
2356 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
2357 widening conversions.
2358 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
2359 to look at size of mode, not precision of type; also add missing cases.
2360 (optimize_bit_field_compare, decode_field_reference): Don't try to
2361 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
2363 * dwarf2out.c (ctype.h): Include.
2364 (dwarf2out_set_demangle_name_func): New function.
2365 (size_of_line_info): Deleted.
2366 (output_line_info): Compute size of line info table from difference
2368 (base_type_die, add_name_attribute): Call demangle function, if any.
2369 (field_byte_offset): Use bits per word for variable length fields.
2370 (gen_array_type_die): Add array name.
2371 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
2372 (dwarf2out_add_library_unit_info): New function.
2374 * explow.c (set_stack_check_libfunc): New function.
2375 (stack_check_libfunc): New static variable.
2376 (probe_stack_range): Allow front-end to set up a libfunc to call.
2378 * combine.c (simplify_comparison): When making comparison in wider
2379 mode, check for having commuted an AND and a SUBREG.
2380 (contains_muldiv): New function.
2381 (try_combine): Call it when dividing a PARALLEL.
2382 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
2383 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
2385 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
2386 use one of the CLOBBERs instead.
2387 (if_then_else_cond): If comparing against zero, just return thing
2390 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
2391 Don't generate shifts and subtract if have conditional arithmetic.
2393 * rtl.h (delete_barrier): New declaration.
2394 * jump.c (jump_optimize): Set up to handle conditional call.
2395 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
2396 (delete_barrier): New function.
2398 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
2400 * recog.c (nonmemory_operand): Accept ADDRESSOF.
2402 * tree.c (build_type_attribute_variant): Push to obstack of
2403 ttype around type_hash_canon call.
2405 * expr.c (placeholder_list): Move decl to file scope.
2406 (expand_expr): Don't force access to volatile just because its
2408 If ignoring reference operations, just expand the operands.
2409 (expand_expr, case COMPONENT_REF): Propagate
2410 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
2411 Refine test for using bitfield operations vs pointer punning.
2412 (expand_expr, case CONVERT_EXPR): If converting to
2413 BLKmode UNION_TYPE from BLKmode, just return inner object.
2414 Use proper mode in store_field call.
2415 Properly set sizes of object to store and total size in store_field
2416 call for convert to union.
2417 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
2418 memory (like for ADDR_EXPR). Also, don't put constant in register if
2419 we'll want it in memory.
2420 (readonly_fields_p): New function.
2421 (expand_expr, case INDIRECT_REF): Call it if LHS.
2422 (expand_assignment): Handle a RESULT_DECL where
2423 DECL_RTL is a PARALLEL.
2424 (do_jump, case WITH_RECORD_EXPR): New case.
2425 (get_inner_reference): Always go inside a CONVERT_EXPR
2426 and NOP_EXPR if both modes are the same.
2427 (store_field): Use bitfield operations if size of bitsize is not same
2428 as size of RHS's type.
2429 Check for bitpos not a multiple of alignment in BLKmode case.
2430 Do block move in largest possible alignment.
2431 (store_constructor): Set BITSIZE to -1 for variable size and properly
2432 in case of array of BLKmode.
2433 (expand_expr_unaligned): New function.
2434 (do_compare_and_jump): Call it.
2436 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
2437 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
2438 does not include 'o'.
2440 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
2441 both SET_DEST and SET_SRC reference a virtual register.
2442 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
2444 * integrate.c (expand_inline_function): Handle case of setting
2445 virtual stack vars register (from built in setjmp); when parameter
2446 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
2447 (subst_constant): Add new parm, MEMONLY.
2448 (expand_inline_function, integrate_parm_decls): Pass new parm.
2449 (integrate_decl_tree): Likewise.
2450 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
2451 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
2452 (copy_rtx_and_substitute, case SET): Add explicit calls to
2453 copy_rtx_and_substitute for both sides.
2455 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
2457 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
2458 within INDEX_TYPE, instead of before.
2459 (fixup_gotos): Use f->target_rtl, not the next insn,
2460 since latter may be from a later fixup.
2461 (expand_value_return): Correctly convert VAL when promoting function
2462 return; support RETURN_REG being a PARALLEL.
2463 (expand_return): When checking for result in regs and having
2464 cleanup, consider PARALLEL in DECL_RTL as being in regs.
2466 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
2468 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
2469 last_nominal_fname): Mark const.
2470 (struct include_hash: name, nshort, control_macro): Mark
2472 (struct macrodef: symnam): Mark const.
2473 (struct if_stack: fname): Mark const.
2474 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
2475 (IStable): New character-syntax array which encompasses all
2476 the old is_foo arrays.
2477 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
2478 is_space): New macros for interrogating IStable.
2479 (check_macro_name): Kill last argument. All callers changed.
2481 * cppinit.c (initialize_char_syntax): Delete.
2482 (is_idchar, is_idstart, is_hor_space, is_space,
2483 trigraph_table): Delete.
2484 (IStable): New. Initialize with clever macros to avoid
2485 information duplication.
2486 (builtin_array): Table of builtins to get rid of explicit list
2487 in initialize_builtins.
2488 (initialize_builtins): Use builtins_array.
2489 (cpp_start_read): Call init_IStable, and set IStable['$'] if
2490 opts->dollars_in_ident.
2492 * cppexp.c: Change all refs to is_xyz[] arrays to use new
2494 (cpp_parse_expr): Avoid 'format string is not constant'
2495 warning. Use ISGRAPH to identify printable chars.
2496 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
2498 (read_and_prescan): Map trigraphs to chars with open-coded
2499 if-else-if-... sequence, not a lookup table.
2500 * cpphash.c: Change all refs to is_xyz[] arrays to use new
2502 * cpplib.c: Change all refs to is_xyz[] arrays to use new
2503 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
2504 (check_macro_name): Remove ability to report an invalid
2505 assertion name, which is never used.
2506 (do_line): Constify a couple of char *'s.
2507 * cppmain.c (main): Call cpp_cleanup before returning.
2509 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
2511 * ggc.h (struct ggc_statistics): New type.
2512 (ggc_get_size): New function.
2513 (ggc_print_statistics): Likewise.
2514 * ggc-common.c (ggc_stats): New variable.
2515 (ggc_mark_rtx_children): Keep statistics.
2516 (ggc_mark_tree_children): Likewise.
2517 (ggc_print_statistics): New function.
2518 * ggc-page.c (struct globals): Add bytes_mapped field.
2519 (alloc_anon): Update it.
2520 (release_pages): Likewise.
2521 (ggc_get_size): New function.
2522 (ggc_page_print_statistics): New function.
2523 * ggc-simple.c (ggc_get_size): New function.
2525 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
2527 * flow.c (propagate_block): When the last reference to a label
2528 before an ADDR_VEC is deleted because the reference is a dead
2529 store, delete the ADDR_VEC.
2531 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
2533 * resource.c (find_free_register): Don't use the frame pointer
2534 if frame_pointer_needed.
2536 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
2538 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
2539 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
2541 * config/i960/i960.c (i960_va_start): New locals base, num.
2542 Use INDIRECT_REF instead of ARRAY_REF on valist.
2543 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
2545 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
2547 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
2549 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
2551 * tree.def (PLACEHOLDER_EXPR): Update comments.
2553 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2555 * c-common.c (check_format_info): Avoid non-literal format string
2556 warnings when `first_arg_num' is zero.
2558 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2560 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
2562 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2564 * arm.md (casesi_insn): Add a clobber of the condition code
2567 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
2569 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
2570 used by both cc1 and cc1plus.
2572 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
2574 * config/arm/arm.c: Initialise arm_structure_size_boundary to
2575 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
2576 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
2577 to the value 32 if it has not already been defined.
2578 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
2579 Override definition in arm.h with a value of 8.
2581 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
2583 * c-pragma.c (push_alignment): Don't check the return value
2586 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
2588 * sparc.h (ADJUST_COST): Fix thinko.
2590 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
2592 * cccp.c (rescan): Fixed obp pointer handling around call to
2593 check_expand subroutine.
2595 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
2597 * gcse.c (delete_null_pointer_checks): Only record non-null info
2598 for pseudos when examining stores.
2600 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
2601 splitters for these patterns. Use "#" for output templates.
2602 (addsi3_carryin_shift): New pattern.
2604 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
2606 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
2607 of the function return register into a plain REG until
2608 after function inlining is done.
2610 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
2612 * jump.c (jump_optimize_1): If we did cross-jumping, and
2613 the data will matter, rebuild the CFG.
2614 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
2615 not optimizing. Don't run shorten_branches.
2616 * toplev.c (rest_of_compilation): Run shorten_branches after
2619 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
2621 * rtl.h (note_stores): Add additional paramter.
2622 * rtlanal.c (reg_set_p_1): Take additional paramter.
2623 (reg_set_last_1): Likewise.
2624 (reg_set_p): Adjust call to note_stores.
2625 (reg_set_last): Likewise.
2626 (note_stores): Pass data parameter to worker function.
2627 * alias.c (record_set): Take additional parameter.
2628 (init_alias_analysis): Pass it.
2629 * caller-save.c (mark_set_regs): Take additional parameter.
2630 (save_call_clobbered_regs): Pass NULL to note_stores.
2631 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
2633 (record_dead_and_set_regs_1): Likewise.
2634 (reg_dead_at_p_1): Likewise.
2635 (combine_instructions): Adjust calls to note_stores.
2636 (try_combine): Likewise.
2637 (record_dead_insn): Remove.
2638 (record_dead_and_set_regs): Adjust calls to note_stores.
2639 (reg_dead_at_p): Likewise.
2640 * cse.c (invalidate_skipped_set): Take additional parameter.
2641 (cse_check_loop_start): Likewise.
2642 (cse_check_loop_start_value): Remove.
2643 (cse_set_around_loop): Adjust calls to note_stores.
2644 * flow.c (notice_stack_pointer_modification): Take additional
2645 parameter. Remove duplicate declaration.
2646 (record_volatile_insns): Adjust calls to note_stores.
2647 * gcse.c (record_set_info): Take additional parameter.
2648 (record_last_set_info): Likewise.
2649 (invalidate_nonnull_info): Likewise.
2650 (record_set_insn): Remove.
2651 (compute_sets): Adjust calls to note_stores.
2652 (last_set_insn): Remove.
2653 (compute_hash_table): Adjust calls to note_stores.
2654 (insert_insn_end_bb): Likewise.
2655 (delete_null_pointer_checks): Likewise.
2656 * global.c (mark_reg_store): Take additional parameter.
2657 (mark_reg_clobber): Likewise.
2658 (reg_becomes_live): Likewise.
2659 (global_conflicts): Adjust calls to note_stores.
2660 (build_insn_chain): Likewise.
2661 * integrate.c (note_modified_parmregs): Take additional parameter.
2662 (mark_stores): Likewise. Make it static.
2663 (save_for_inline_nocopy): Adjust calls to note_stores.
2664 (try_constants): Likewise.
2665 * integrate.h (mark_stores): Remove declaration.
2666 * jump.c (mark_modified_reg): Take additional parameter.
2667 (thread_jumps): Adjust calls to note_stores.
2668 * local-alloc.c (validate_equiv_mem_from_store): Take additional
2670 (no_equiv): Likewise.
2671 (reg_is_set): Likewise.
2672 (validate_equiv_mem): Adjust calls to note_stores.
2673 (update_equiv_regs): Likewise.
2674 (block_alloc): Likewise.
2675 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
2676 (note_addr_stored): Take additional parameter.
2677 (note_set_pseudo_multiple_uses): Likewise.
2678 (record_initial): Likewise.
2679 (prescan_loop): Adjust calls to note_stores.
2680 (strength_reduce): Likewise.
2681 (check_dbra_loop): Likewise.
2682 * regmove.c (flags_set_1): Take additional paramter.
2683 (mark_flags_life_zones): Adjust calls to note_stores.
2684 * reload1.c (mark_not_eliminable): Take additional parameter.
2685 (forget_old_reloads_1): Likewise.
2686 (reload_cse_invalidate_rtx): Likewise.
2687 (reload_cse_check_clobber): Likewise.
2688 (reload_combine_note_store): Likewise.
2689 (move2add_note_store): Likewise.
2690 (reload): Adjust calls to note_stores.
2691 (reload_as_needed): Likewise.
2692 (emit_reload_insns): Likewise.
2693 (reload_cse_regs_1): Likewise.
2694 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
2695 (reload_combine): Adjust calls to note_stores.
2696 * resource.c (update_live_status): Take additional paramter.
2697 (mark_target_live_regs): Adjust calls to note_stores.
2698 * stupid.c (find_clobbered_regs): Take additional parameter.
2699 (stupid_life_analysis): Adjust calls to note_stores.
2701 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
2703 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
2706 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
2709 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
2710 of the variable arm_structure_size_boundary.
2712 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
2714 * alias.c (init_alias_analysis): Allocate reg_known_value and
2715 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
2717 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
2718 * cse.c (cse_main): Call end_alias_analysis.
2719 * haifa-sched.c (schedule_insns): Likewise.
2720 * local-alloc. (update_equiv_regs): Likewise.
2721 * reload1.c (reload_cse_regs): Likewise.
2723 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2725 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
2726 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
2727 mapping from MASK_FPU.
2729 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
2731 * sparc.md (call): Don't bound structure return size to 0xfff.
2733 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
2735 * resource.c (mark_target_live_regs): Check that the target
2736 insn wasn't created after compute_bb_for_insn.
2738 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
2740 * ggc-page.c (poison_pages): Don't be overzealous.
2742 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
2744 * alias.c: Update comments for ADDRESS.
2745 (nonlocal_reference_p): Look inside the ADDRESS to determine if
2746 it is a local memory reference.
2748 * c-typeck.c (build_function_call): Check that the built-in
2749 function is of class BUILT_IN_NORMAL before trying to recongize
2751 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
2752 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
2754 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
2756 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
2758 (pre_gcse): Likewise.
2759 (hoist_expr_reaches_here_p): Likewise.
2760 (hoist_code): Likewise.
2761 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
2763 (pre_expr_reaches_here_p_work): ... here.
2764 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
2766 (expr_reaches_here_p_work): ... here.
2768 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
2770 * resource.c (find_basic_block): Delete.
2771 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
2772 (init_resource_info): Call compute_bb_for_insn.
2774 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
2776 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
2777 with already adjacent blocks, but no fallthru.
2778 (merge_blocks_move_successor_nojumps): Simplify.
2779 (debug_flow_info): New.
2781 * toplev.c (rest_of_compilation): Open jump1 dump file before
2782 jump and close after, as opposed to just using dump_rtl.
2784 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2786 * reload.h (earlyclobber_operand_p): Declare.
2787 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
2788 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
2789 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
2790 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
2792 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
2793 Richard Henderson <rth@cygnus.com>
2795 * emit-rtl.c (emit_block_insn_before): New.
2796 (emit_block_insn_after): New.
2797 * basic-block.h: Declare them.
2799 * bitmap.h: Protect from multiple inclusion.
2801 * recog.c (scratch_operand): Handle VOIDmode correctly.
2803 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
2805 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
2806 * function.c (assign_parms): Likewise.
2807 * global.c (global_conflicts): Clarify STACK_REGS commentary.
2809 * reg-stack.c (max_uid): Remove.
2810 (blocks, block_begin, block_end, block_drops_in): Remove.
2811 (block_stack_in, block_out_reg_set, block_number): Remove.
2812 (struct block_info_def, BLOCK_INFO): New.
2813 (enum emit_where): New.
2814 (current_block): New.
2815 (BLOCK_NUM): Remove.
2816 (mark_regs_pat, record_label_references): Remove.
2817 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
2819 (goto_block_pat, print_blocks, dump_stack_info): Remove.
2820 (reg_to_stack): Simplified test for existance of fp code. Use
2821 flow.c code. Call shorten_branches after cross-jump opt.
2822 (check_asm_stack_operands): Renamed from record_asm_reg_life.
2823 Return false if the asm doesn't use stack regs. Don't do life
2824 analysis on the asm.
2825 (emit_pop_insn): Replace function pointer arg `when' with
2826 enum `where'. Update all callers.
2827 (change_stack): Likewise. Update basic block end.
2828 (emit_swap_insn): Use current_block->head to limit reverse search
2829 for start of block. Use emit_block_insn_after.
2830 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
2831 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
2832 structure assignment instead of bcopy.
2834 (convert_regs_entry, convert_regs_exit): New.
2835 (convert_regs_1, convert_regs_2): Split out from convert_regs.
2836 Work on basic blocks and the CFG.
2837 (convert_regs): Use them.
2839 * i386.c (output_fix_trunc): Remove code for DImode input operand
2840 not at top-of-stack.
2841 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
2843 (fix_truncdi_1): Allow any mode scratch.
2845 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
2847 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
2848 * linux.h, netbsd.h, vms.h: Not here.
2850 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
2852 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
2853 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
2854 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
2855 CONDITIONAL_REGISTER_USEAGE): Use them.
2856 * config/mips/mips.c (mips_move_1word,mips_move_2words,
2857 gen_conditional_branch,override_options) : Use them.
2858 * config/mips/mips.md : Use them.
2860 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
2862 * i386.md (zero_extendqihi2): Use SImode register name with andl.
2864 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
2866 * integrate.c (function_cannot_inline_p): Don't allow inlining
2869 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2871 * c-parse.in (cast_expr): Constify.
2873 * cccp.c (special_symbol): Likewise.
2875 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
2877 * dwarf2out.c (base_type_die): Likewise.
2879 * global.c (allocno_compare): Likewise.
2881 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
2883 * regclass.c (fix_register): Likewise.
2885 * rtl.h (fix_register): Likewise.
2887 * stupid.c (stupid_reg_compare): Likewise.
2889 * toplev.c (decode_f_option): Likewise.
2891 * tree.c (build_complex_type): Likewise.
2893 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
2895 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
2897 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2899 * reload.c (find_reloads): Compute mode and nregs fields of all
2901 * reload1.c (calculate_needs_all_insns): Simplify a bit.
2902 (calculate_needs): Use precomputed mode/nregs values.
2903 (allocate_reload_reg): Likewise.
2905 (failed_reload, set_reload_reg): ... new functions.
2906 (choose_reload_regs_init): New function, mostly broken out from...
2907 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
2908 Also lose one #if 0 block.
2910 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
2912 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
2915 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
2917 * tree.h (BLOCK_TYPE_TAGS): Remove.
2918 (BLOCK_END_NOTE): Likewise.
2919 (BLOCK_LIVE_RANGE_FLAG): Likewise.
2920 (BLOCK_LIVE_RANGE_START): Likewise.
2921 (BLOCK_LIVE_RANGE_END): Likewise.
2922 (tree_block): Remove live_range_flag, live_range_var_flag, and
2923 type_tags. Remove end_note, live_range_start, and live_range_end.
2924 (remember_end_note): Remove prototype.
2925 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
2926 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
2928 * ggc-common.c (ggc_mark_tree_children): Don't mark
2929 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
2930 * integrate.c (adjust_copied_decl_tree): Remove.
2931 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
2932 * stmt.c (last_block_end_note): Remove.
2933 (init_stmt): Don't add a GC root for it.
2934 (expand_fixup): Don't set it.
2935 (remember_end_note): Remove.
2936 (expand_end_bindings): Don't set last_block_end_note.
2938 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2940 * reload1.c (reload_reg_free_for_value_p): Show
2941 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
2944 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
2946 * expmed.c (extract_bit_field): Allow for the case of non-integer
2947 objects that are smaller than a word (like SFmode on a 64-bit
2950 * loop.c (basic_induction_var): A non-integer variable which is
2951 being set by a paradoxical subreg is probably not a biv.
2953 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2955 * prefix.c (translate_name) Check for empty prefix string.
2957 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
2959 * Makefile.in (CPP_CROSS_NAME): New variable.
2960 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
2962 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
2963 names of the files to be uninstalled.
2965 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
2967 * collect2.c (IS_DIR_SEPARATOR): Define.
2968 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
2970 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
2973 * haifa-sched.c (add_dependence): Update the true dependency
2974 cache the first time we add a true dependence to the LOG_LINKS chain.
2976 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
2978 * fold-const.c (fold): Fix comment.
2980 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2982 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
2983 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
2984 dbxout_start_new_source_file, dbxout_source_file,
2985 dbxout_source_line, dbxout_finish, dbxout_type_fields,
2986 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
2988 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
2989 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
2990 (dbxout_block): Initialize variable `blocknum'.
2992 * dbxout.h (dbxout_init, dbxout_finish,
2993 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
2994 dbxout_args, dbxout_source_line): Constify a char*.
2996 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
2997 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
2998 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
2999 low_pc_attribute, high_pc_attribute, body_begin_attribute,
3000 body_end_attribute, comp_dir_attribute, sf_names_attribute,
3001 src_info_attribute, mac_info_attribute, producer_attribute,
3002 lookup_filename, generate_macinfo_entry, fundamental_type_code,
3003 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
3004 dwarfout_undef): Constify a char*.
3005 (add_incomplete_type, retry_incomplete_types): Add prototypes.
3007 * dwarfout.h (dwarfout_define, dwarfout_undef,
3008 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
3010 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
3012 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
3013 (MULTILIB_ISA_DEFAULT): New.
3014 (MULTILIB_DEFAULTS): Use it.
3015 * config/mips/mips.c (): Remove the now unnecessary definition
3016 of MIPS_ISA_DEFAULT.
3017 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
3018 unnecessary definition.
3020 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
3022 * arm.md (pic_load_addr): Add constraints to operand 1.
3024 1999-10-25 Bruce Korb <autogen@linuxbox.com>
3026 * fixinc/genfixes: Provide a means for specifying -D options to
3029 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
3031 * arm.c (arm_override_options): Correct initialization of
3032 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
3033 arm_is_strong, and arm_is_6_or_7.
3035 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
3036 (note_set_pseudo_multiple_uses): New function.
3037 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
3038 if a pseudo set in the loop exit is used elsewhere.
3040 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
3042 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
3044 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
3046 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
3047 a single load-address pattern.
3049 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
3051 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
3052 depending on whether or not line-number notes are present.
3054 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3056 * cccp.c (progname, file_buf, default_include, include_file,
3057 macrodef, definition, hashval, wchar_type, user_label_prefix,
3058 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
3059 expand_to_temp_buffer, is_system_include, base_name,
3060 absolute_filename, read_name_map, open_include_file,
3061 record_control_macro, check_precompiled, check_preconditions,
3062 pcfinclude, pass_thru_directive, create_definition,
3063 check_macro_name, comp_def_part, collect_expansion,
3064 check_assertion, read_token_list, assertion_install,
3065 assertion_lookup, eval_if_expression, conditional_skip,
3066 validate_else, skip_quoted_string, quote_string, macarg1,
3067 error_from_errno, install, lookup, hashf, dump_defn_1,
3068 perror_with_name, pfatal_with_name, main, trigraph_pcp,
3069 check_white_space, rescan, handle_directive, monthnames,
3070 special_symbol, do_include, remap_include_file, write_output,
3071 arglist, do_assert, do_unassert, do_line, do_error, do_once,
3072 do_ident, do_sccs, do_xifdef, skip_if_group,
3073 output_line_directive, macroexpand, macarg, change_newlines,
3074 initialize_builtins, make_definition): Constify a char*.
3076 * pcp.h (stringdef): Likewise.
3078 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
3080 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
3083 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
3084 Richard Henderson <rth@cygnus.com>
3086 * alias.c: Include ggc.h.
3087 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
3088 (record_set): Verify enough room in reg_base_value.
3089 (init_alias_analysis): Allocate reg_base_value with xcalloc.
3090 Register it as a GC root.
3091 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
3092 * Makefile.in (alias.o): Depend on ggc.h.
3094 * unroll.c (unroll_loop): Verify the insn before a barrier
3095 is a JUMP_INSN before checking JUMP_LABEL.
3097 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3099 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
3100 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
3101 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
3102 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
3103 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
3104 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
3106 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3108 * output.h (ctors_section, dtors_section, bss_section): Prototype.
3110 * alpha/alpha-interix.h (text_section): Delete prototype.
3111 * alpha/elf.h (text_section): Likewise.
3112 * arm/linux-elf.h (text_section): Likewise.
3113 * arm/linux-telf.h (text_section): Likewise.
3114 * c4x/c4x.h (text_section): Likewise.
3115 * dsp16xx/dsp16xx.h (bss_section): Likewise.
3116 * elfos.h (text_section): Likewise.
3117 * i386/aix386ng.h (text_section): Likewise.
3118 * i386/i386-interix.h (text_section): Likewise.
3119 * i386/sco5.h (text_section): Likewise.
3120 * i386/svr3gas.h (text_section): Likewise.
3121 * nextstep.h (text_section): Likewise.
3122 * psos.h (text_section): Likewise.
3123 * ptx4.h (text_section): Likewise.
3124 * svr3.h (text_section): Likewise.
3125 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
3127 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3129 * final.c (peephole): Delete prototype.
3131 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
3132 (pre_insert_copies): Remove unused variable `bb'.
3134 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
3137 * output.h (peephole): Add prototype.
3139 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
3141 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
3144 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
3146 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
3147 for inlined declarations.
3149 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
3151 * arm.c (logical_binary_operator): New fucntion.
3152 * arm.h (logical_binary_operator): Declare it.
3153 (PREDICATE_CODES): Handle logical_binary_operator.
3154 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
3155 output constraints. Add appropriate splitters.
3156 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
3157 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
3158 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
3160 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3162 * genoutput.c (struct operand_data): New elt eliminable.
3163 (output_operand_data): Write it.
3164 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
3165 (compare_operands): Take it into account.
3166 * recog.h (struct insn_operand_data): New elt eliminable.
3167 * reload1.c (check_eliminable_occurrences, elimination_effects): New
3169 (old_asm_operands_vec, new_asm_operands_vec): Delete.
3170 (eliminate_regs): Move code that detects changes to elimination
3171 target regs into new function elimination_effects.
3172 Delete one #if 0 block.
3173 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
3174 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
3175 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
3176 Only call eliminate_regs for real operands of the insn, not for parts
3177 of its structure or parts matched by things like match_operator.
3178 Use elimination_effects and check_eliminable_occurrences. Use
3179 copy_insn to duplicate the pattern when not in the final pass.
3181 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
3183 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
3186 1999-10-22 Bruce Korb <autogen@linuxbox.com>
3188 * fixinc/README: document the "mach" machine matching test
3189 * fixinc/fixfixes.c: Implement the #else/#endif label fix
3190 * fixinc/fixtests.c: Implement the #else/#endif label test
3191 * fixinc/inclhack.def: utilize these tests and fixes
3192 * fixinc/inclhack.sh: regen
3193 * fixinc/fixincl.x: regen
3194 * fixinc/fixincl.sh: regen
3196 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
3198 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
3201 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
3203 * gcc.1: Document exit codes.
3205 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3207 * calls.c: Include tm_p.h later, so everything we need is defined.
3209 * function.c: Likewise.
3211 * except.c: Include tm_p.h.
3213 * sparc.c: Likewise.
3214 (dwarf2out_cfi_label): Don't prototype.
3215 (check_return_regs, epilogue_renumber,
3216 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
3217 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
3218 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
3219 ultra_schedule_insn): Add static prototype.
3220 (data_segment_operand, text_segment_operand): Call itself with the
3221 proper number of arguments.
3222 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
3224 * sparc.h: Move all declarations to sparc-protos.h.
3225 (SELECT_RTX_SECTION): Pass a missing MODE argument to
3228 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
3230 * config/svr4.h (text_section, ctors_section, dtors_section): Add
3232 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
3233 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
3234 ASM_OUTPUT_ASCII): Constify a char*.
3236 * sparc-protos.h: New file for sparc prototypes.
3238 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3240 * function.c (record_insns, contains): Always declare and define.
3241 (record_insns): Mark with ATTRIBUTE_UNUSED.
3243 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
3245 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
3246 to .section when outputting a .bss section to deal with multiple
3247 .bss input sections (as happens with -fdata-sections)
3248 Also output %progbits, not @progbits so the assembler doesn't treat as
3250 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
3252 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
3253 thumb parts even when building with non-thumb CPUs, by forcing
3256 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
3258 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
3259 (movdf_const_intreg_sp64): Similarly.
3261 * local-alloc.c (update_equiv_regs): Check the correct insn
3262 for pre-existing REG_EQUIV notes.
3264 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
3266 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
3267 block reached by a branch if we're not going to actually process
3270 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
3272 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
3273 a local extern function declaration.
3275 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
3277 * i386.c (ix86_expand_prologue): Properly wrap USE around
3278 reg for CALL_INSN_FUNCTION_USAGE.
3280 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
3282 * config/mips/mips.md (movdf_internal1a): Allow floating-point
3283 move between GP_REGs.
3285 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
3287 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
3288 the mode size when finding out if an offset is legal.
3290 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
3292 * basic-block.h (PROP_*): Move constants from ...
3294 (compute_bb_for_insn): Free the array before reallocating.
3295 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
3296 (allocate_reg_life_data): Reset all reg variables collected by
3298 (get_block_head_tail): Don't convert from bb to block.
3299 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
3300 (find_insn_reg_weight): Take block not bb.
3301 (schedule_block): Don't set block num for moved insns.
3302 (schedule_region): Don't update_life_info or find_insn_reg_weight.
3303 (schedule_insns): Do it here instead.
3304 * combine.c (combine_instructions): Invoke compute_bb_for_insn
3305 before update_life_info.
3306 * recog.c (split_all_insns, peephole2_optimize): Update for
3307 new arg to update_life_info.
3308 * rtlanal.c (remove_note): Cope with NULL note.
3309 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
3312 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
3314 * jump.c (jump_optimize_1): More accurately detect casesi insns.
3316 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
3317 block records so that merge_blocks_nomove will clean up correctly.
3318 (split_edge): Handle casesi insns.
3320 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
3322 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
3324 * pa.md (call, call_value): Do not emit a blockage after restoring
3327 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
3329 * c-typeck.c (c_expand_asm_operands): Fix typo.
3331 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3333 * arm.c (fpu_rhs_operand): Verify modes.
3334 (fpu_add_operand): Likewise.
3335 (di_operand): Likewise.
3336 (soft_df_operand): Likewise.
3338 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
3340 * arm.c (arm_return_in_memory): APCS rules state that the elements
3341 of a structure returned in a register must be 'integer-like'.
3343 1999-10-19 Bruce Korb <autogen@linuxbox.com>
3345 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
3346 in the source tree when the generated targets are out of date
3347 * fixinc/genfixes: Alter it to run individual fixes for make.
3348 * fixinc/README: rewrite
3349 * fixinc/inclhack.def: moved initial comments to README
3351 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
3353 * toplev.c (main): Do not generate an error message if an
3354 unrecognised command line switch is recognisable by another
3355 language. If extra_warnings are enabled, then generate a
3356 warning message instead.
3358 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
3360 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
3361 (insert_pack_attributes): Delete prototype.
3363 * c-pragma.c (default_alignment): New static variable.
3364 (push_alignment): Initialize to current effective alignment.
3365 (pop_alignment): Use to set new alignment.
3366 (insert_pack_attributes): Delete function.
3367 (handle_pragma_token): Set default_alignment as well each time
3368 a #pragma pack(<n>) is encountered.
3370 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
3372 * reg-stack.c (stack_result): Aggregates are not returned in
3375 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
3377 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
3379 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
3381 * basic-block.h (set_block_num): Declare.
3382 * flow.c (update_life_info): Don't call compute_bb_for_insn
3383 or free_basic_block_vars.
3384 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
3385 (insn_orig_block): Remove.
3386 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
3387 (schedule_block): Keep BLOCK_NUM up-to-date.
3388 (schedule_insns): Use compute_bb_for_insn.
3389 * recog.c (split_all_insns): Likewise.
3390 (peephole2_optimize): Likewise.
3392 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
3394 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
3395 if the pic register is used.
3397 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3399 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
3400 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
3401 if that tests TREE_PERMANENT.
3403 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
3405 * cse.c (invalidate_for_call): Do not remove memory references from
3406 the table here. It's handled elsewhere.
3408 * haifa-sched.c (add_dependence): Protect references to the
3409 true dependency cache with #ifdef INSN_SCHEDULING.
3410 (remove_dependence): Similarly.
3412 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
3413 to the cfg code that this is a return instruction.
3414 * mn10300.md (return_internal): Similarly.
3416 * combine.c (get_last_value): If the last set of a register
3417 is after subst_low_cuid, then we can not use it to determine
3418 the register's last value.
3420 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
3422 * Makefile.in: Back out previous change.
3424 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
3426 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
3428 * haifa-sched.c (add_dependence): Only check/update the cache
3430 (remove_dependence): Likewise.
3431 (schedule_insns): Only create the true_dependency_cache if the
3432 average number of instructions in a basic block is very large.
3434 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
3436 * Makefile.in (ggc-common.o): Depend on genrtl.h.
3437 (ggc-simple.o): Likewise.
3438 (ggc-page.o): Likewise.
3440 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
3442 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
3443 Prototype for exported functions.
3444 (pre_lcm, pre_rev_lcm): Remove prototypes.
3445 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
3446 (compute_available): Move to lcm.c, and change parameter order.
3447 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
3448 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
3449 (gcse_main): No longer call compute_preds_succs. Rebuild the
3450 set table after reach pre pass.
3451 (pre_insert_map, pre_delete_map, edge_list): New.
3452 (alloc_pre_mem): Allocate edge vectors.
3453 (free_pre_mem): Delete edge vectors.
3454 (compute_pre_data): Call new edge based lcm routines.
3455 (process_insert_insn): New function.
3456 (insert_insn_end_bb): Use it.
3457 (pre_edge_insert): New function.
3458 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
3460 (pre_insert_copies): Revamp using new edge based lcm outputs.
3461 (pre_delete): Likewise.
3462 (one_pre_gcse_pass): Insert & remove fake edges to the exit
3464 (compute_code_hoist_vbeinout): New new edge based routines.
3465 * lcm.c: Remove all the old LCM functions. Replace with new ones
3466 that work with the new cfg datastructures and work with edges
3469 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3471 * reload.h (struct reload): Add new fields "mode" and "nregs".
3472 * reload1.c: Change all occurrences of reload_mode and reload_nregs
3473 to reference the "mode" and "nregs" field within struct reload.
3475 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
3477 * haifa-sched.c (true_dependency_cache): New.
3478 (add_dependence): Use the true dependency cache to avoid expensive
3479 walks down the LOG_LINKS dependency list. Add entries to the
3481 (remove_dependence): Remove entries from the true dependency cache
3483 (schedule_insns): Allocate and initialize and free the true
3486 * haifa-sched.c (schedule_insns): Do not remove inter-block
3487 dependencies anymore.
3489 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
3491 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
3492 * i386/t-winnt: Likewise.
3494 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
3496 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
3498 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
3500 * Makefile.in (LANGUAGES): Omit "proto".
3501 (clean): Remove stale comment about removing unprotoize.c.
3503 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3505 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
3506 using arithmetic on void pointers.
3508 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
3510 * haifa-sched.c (compute_block_forward_dependencies): Only check
3511 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
3513 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
3515 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
3516 (expr_equiv_p): Reject memories with different alias sets.
3518 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
3520 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
3521 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
3522 (f_options): Add "bounded-pointers" and "bounds-check" entries.
3523 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
3524 (lang_init): Set default for flag_bounds_check if still "unspecified".
3526 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3528 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
3530 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3532 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
3535 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3537 * config/c4x/c4x.md (*db_noclobber,
3538 *decrement_and_branch_until_zero_noclobber): New patterns and
3539 associated splitters.
3541 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3543 * config/c4x/c4x.md (parallel instruction patterns): Rework
3544 constraints to keep reload happy.
3546 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3548 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
3549 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
3550 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
3551 Add new patterns and associated post-reload splitters.
3553 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3555 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
3557 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3559 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
3561 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
3563 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3565 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
3568 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
3570 * pa.c (move_operand): Rely on memory_address_p to determine the
3571 validity of non-indexed memory addresses.
3572 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
3573 operand in DFmode and SFmode when generating PA2.0 code.
3575 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
3577 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
3579 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
3581 * mips.c (function_prologue): Fix argument types.
3582 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
3583 (casesi_internal): Write to the scratch register.
3585 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
3587 * cppexp.c (cpp_parse_escape): Make static. Change second arg
3589 (parse_charconst): Delete unnecessary cast when calling
3591 (cpplib.h): Kill prototype of cpp_parse_escape.
3593 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
3595 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
3596 * unroll.c (unroll_loop): Cast return value of alloca.
3597 * i370/i370.c: Include function.h and toplev.h.
3598 (i370_label_scan): Remove c++ commented abort.
3599 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
3600 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
3601 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
3602 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
3604 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
3606 * config/t-freebsd: Do not override USER_H.
3607 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
3609 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
3610 Mumit Khan <khan@xraylith.wisc.edu>
3612 * c-parse.in (component_decl): Support anonymous struct/union.
3614 * c-parse.y: Regenerate.
3615 * c-parse.c: Likewise.
3616 * objc/objc-parse.y: Likewise.
3617 * objc/objc-parse.c: Likewise.
3618 * c-decl.c (finish_struct): Don't sort the fields.
3619 (field_decl_cmp): Delete unused function.
3621 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
3623 * sparc.md (movsf_const_intreg): Revert last constraint change.
3624 (movdf_const_intreg_sp32): Likewise.
3626 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
3628 * cse.c: Include hashtab.h instead of splay-tree.h
3629 (struct cse_reg_info): No longer use variant union. Add new
3630 field "regno". All references changed to avoid union.
3631 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
3632 (free_cse_reg_info): Remove.
3633 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
3634 (get_cse_reg_info): Revamp to use expandable hash tables instead
3635 of splay trees. Initialize new fields in cse_reg_info structure.
3636 (new_basic_block): Similarly.
3638 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
3640 * genrecog.c (message_with_line): Prototype.
3641 (validate_pattern): Pass along the set for the dest, not a flag.
3642 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
3643 Check for PC/CC0 as sources.
3644 (nodes_identical): Check for children position match before
3645 allowing the combination.
3647 * rtl.c (read_rtx): Track line number across \\\n.
3649 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
3651 * mips.h (SPECIAL_MODE_PREDICATES): New.
3652 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
3653 (movdi+1, movsi+1): Add output reload constraint.
3654 (casesi_internal): Likewise. Fix commentary.
3655 (return_internal): Use pmode_register_operand.
3657 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
3659 * 1750a.md (movstrqi): Add missing output reload constraint.
3660 (call_value): Likewise.
3661 * a29k.md (cpxxx patterns): Add missing match_operator mode.
3662 (jmpfdec): Add missing inout reload constraint.
3663 * elxsi.md (addsi patterns): Add missing output reload constraint.
3664 (move from sp): Use @ alternates.
3665 (call_value): No constraint on output.
3666 * fr30.md (movsi_pop): Add missing output reload constraint.
3667 (movsf_constant_store): Likewise.
3668 (splits): Remove constraints.
3669 (subsi3): Add missing mode.
3670 * i370.md (cmpstrsi+1): Add missing output reload constraint.
3671 (call_value): Likewise.
3672 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
3673 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
3674 * m32r.md (movsicc_internal): Add output reload constraint.
3675 (movstrsi_internal): Add inout reload constraints.
3676 * m88k.h (reg_names): Don't declare.
3677 (SPECIAL_MODE_PREDICATES): New.
3678 * m88k.md (*): Use register_operand not reg_or_0_operand
3680 * mn10200.h (PREDICATE_CODES): New.
3681 * ns32k.md (ffs pattern): Add output reload constraint.
3682 * pdp11.md (sob pattern): Add inout reload constraint.
3683 * sh.md (splits): Remove constraints.
3684 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
3685 * v850.md (pattern_is_ok_for_epilogue): Likewise.
3686 * vax.md (jgequ pattern): Add inout reload constraint.
3688 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
3690 * configure.in (djgpp): Revert previous patch.
3691 * configure: Rebuit.
3692 * config/i386/djgpp.h: Revert previous patch.
3694 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
3696 * fixinc/inclhack.def: Restore patch lost during last merge of
3697 "no_bogosity" branch.
3698 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
3700 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
3702 * fixincludes: Add a HPUX 11 fix for inttypes.h.
3703 * fixinc/inclhack.def: Same.
3704 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
3706 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
3708 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
3709 as the base of a PLUS.
3711 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3713 * config/c4x/c4x.md: Define mode for remaining unspec operators.
3714 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
3716 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
3718 * pa.md (post_stw+1): Use pmode_register_operand.
3719 (dcacheflush, icacheflush): Likewise.
3721 * i386.md (movstricthi_1): Allow r/r.
3723 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
3725 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
3726 to (not (and (arg0) (arg1))). Similary for and.
3728 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
3729 falltrought to assocate code.
3730 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
3733 * combine.c (simplify_logical): Convert XOR to IOR if operands have
3734 no bits in common; remove XOR to ROTATE conversion.
3736 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3738 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
3740 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3742 * config/c4x/c4x.c (dst_operand): New.
3743 (PREDICATE_CODES): Update.
3744 * config/c4x/c4x.h (dst_operand): Declare it.
3745 * config/c4x/c4x.md: Define mode for each unspec usage.
3746 (move patterns): Use dst_operand predicate instead of src_operand.
3747 (movqi_update, movqf_update): Delete.
3749 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
3751 * recog.c (pmode_register_operand): New.
3752 * recog.h: Declare it.
3753 * genrecog.c (pred_codes): Likewise.
3754 (special_mode_pred_table): Likewise.
3755 (validate_pattern): Don't warn no mode for address_operand.
3757 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
3758 if the operand is not insn-like.
3760 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
3761 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
3763 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
3765 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
3767 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
3768 instead of general_operand in a SET_DEST. Use const_double_operand
3769 instead of an explicit test against CONST_DOUBLE.
3770 (movsf_const_lo): Add missing register mode.
3771 (goto_handler_and_restore): Add auxiliary test for Pmode.
3772 (flush): Adjust to use address_operand.
3773 (return_sf_no_fpu): Add missing output constraint.
3775 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
3777 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
3778 for call return value.
3779 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
3781 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
3783 * toplev.c (main): Only warn about options for other languages.
3784 * collect2.c (main): Pass -w to sub-gcc.
3786 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
3788 * flow.c (propagate_block): Add call-clobbered registers to
3791 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
3792 zapping mem_set_list.
3793 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
3794 (mark_set_1, mark_used_regs): Likewise.
3796 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
3798 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
3800 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3802 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
3803 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
3804 options. Also add a new item "C-only Warning Options" to the
3807 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
3809 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
3810 from multiple calls.
3812 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
3814 * i386.md (call value patterns): Move to the end of the file.
3815 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
3817 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
3819 * configure.in (djgpp configuration): Define extra_objects..
3820 * configure: Rebuilt.
3821 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
3822 (DTORS_SECTION_ASM_OP): Define.
3823 (INIT_SECTION_ASM_OP): Define.
3824 (FINI_SECTION_ASM_OP): Define.
3825 (DATA_SECTION_ASM_OP): Define.
3826 (TEXT_SECTION_ASM_OP): Define.
3827 (EH_FRAME_SECTION_ASM_OP): Define.
3828 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
3829 (STARTFILE_SPEC): Add crtbegin.o.
3830 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
3831 to here from LINK_COMMAND_SPEC.
3832 (DO_GLOBAL_CTORS_BODY): Define.
3833 (CRTSTUFF_USE_FINI_SECTION): Define
3834 (HAS_INIT_SECTION): Delete.
3836 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
3838 * Makefile.in (all.cross): Depend on xcpp$(exeext).
3840 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
3842 * pa.h (PREDICATE_CODES): New.
3844 * genrecog.c (validate_pattern): Condense the destination
3847 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
3849 * alpha.md (call-1): Supply missing mode for operator.
3850 (*): Add missing output reload constraints. Remove constraints
3853 * i386.h (SPECIAL_MODE_PREDICATES): New.
3854 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
3855 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
3856 (addsi_lea_3): Add missing mode for op 3.
3857 (prologue_set_got, prologue_get_pc): Add missing modes.
3858 (*) Add missing output reload constraints.
3860 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
3862 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
3863 check for member bit-size overflow and use var_size if it occurs.
3864 (layout_record): Use bitsize_int() to define the type size in bits.
3865 Likewise for computation and assignment to DECL_FIELD_BITPOS.
3866 (layout_decl): Likewise when assigning to DECL_SIZE.
3868 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
3870 * genrecog.c (validate_pattern): Typo last change. Verify
3871 that output operands have output reloads.
3873 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
3875 * genrecog.c (special_mode_pred_table): New.
3876 (NUM_SPECIAL_MODE_PREDS): New.
3877 (find_operand): New.
3878 (validate_pattern): New argument `insn'. Warn for assignment to
3879 any predicate accepting non-lvalues. Conditionaly warn for
3880 match_operand without a mode. Try much harder to match source
3881 and destination modes on a set.
3882 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
3884 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
3886 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
3888 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
3890 * combine.c (simplify_logical): Recognize xor pattern that encodes
3893 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3895 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
3898 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
3900 * ggc-page.c (MAP_FAILED): Provide default.
3902 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
3904 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
3905 * sparc.h (PREDICATE_CODES): Update.
3907 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
3909 * alpha.c (some_ni_operand): New.
3910 * alpha-protos.h: Declare it.
3911 * alpha.h (PREDICATE_CODES): Update.
3912 * alpha.md (sXaddq reload insns): Use some_ni_operand
3913 for SET_DEST instead of some_operand.
3915 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
3916 Jim Wilson <wilson@cygnus.com>
3918 * genrecog.c (maybe_both_true_2): Don't compare modes of
3920 (process_tree): Elide peephole2_insns. Invoke simplify_tests
3921 after find_afterward.
3922 (debug_decision_1): Dump next and afterward codes.
3924 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
3926 * rtl.c (dump_and_abort): Remove.
3927 (fatal_with_file_and_line): New.
3928 (fatal_expected_char): New.
3929 (read_rtx_lineno, read_rtx_filename): New.
3930 (read_skip_spaces): Track line number.
3931 (read_name): Use fatal_with_file_and_line.
3932 (read_rtx): Use fatal_expected_char. Track line number.
3933 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
3935 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
3936 if it isn't a CODE_LABEL.
3938 * genattr.c (main): Set read_rtx_filename.
3939 * genattrtab.c (main): Likewise.
3940 * gencodes.c (main): Likewise.
3941 * genconfig.c (main): Likewise.
3942 * genemit.c (main): Likewise.
3943 * genextract.c (main): Likewise.
3944 * genflags.c (main): Likewise.
3945 * genopinit.c (main): Likewise.
3946 * genoutput.c (main): Likewise.
3947 * genpeep.c (main): Likewise.
3949 * genrecog.c (decision_test.u.insn): Add `lineno'.
3950 (pattern_lineno, error_count): New variables.
3951 (message_with_line): New.
3952 (add_to_sequence): Break out checking code to ...
3953 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
3954 (merge_insn): Use message_with_line.
3955 (make_insn_sequence): Use validate_pattern. Record insn lineno.
3956 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
3958 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3960 * expr.c (store_constructor): Clear union if constructor is empty.
3962 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
3964 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
3965 Add !endian checks. Change %{...} to %(...).
3967 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
3969 * i386.md (*addsi3_cc): Renamed from addcsi3.
3970 (*addsi3_carry): Renamed from addxsi3.
3971 (*subsi3_cc): Renamed from subcsi3.
3972 (*subsi3_carry): Renamed from subxsi3.
3973 (*xorqi_cc_1): Renamed from xorcqi_1.
3974 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
3975 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
3977 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
3979 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
3980 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
3982 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
3984 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
3985 climb up the chain of insns.
3987 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
3989 * genrecog.c (write_subroutine): Careful for null trees.
3990 (process_tree): Don't elide empty functions.
3992 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
3994 * Makefile.in (genrtl.o): Depend on ggc.h.
3995 * configure.in (valloc): Probe for it.
3996 (with-gc): Use ggc-page if valloc present.
3997 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
3998 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
3999 (ggc_alloc_string): Moved from ggc-page.c.
4000 * ggc-none.c (ggc_alloc_obj): New.
4001 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
4002 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
4003 (struct globals): Likewise for dev_zero_fd.
4004 (init_ggc): Likewise for it's initialization.
4005 (ggc_allocated_p): Move careful dereference from ...
4006 (ggc_lookup_page_table): ... here. Delete.
4007 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
4008 (alloc_anon): Use valloc if no mmap.
4009 (release_pages): Use free if using valloc.
4010 (ggc_alloc_obj): Renamed from alloc_obj.
4011 (ggc_set_mark): Renamed from mark_obj.
4012 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
4013 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
4014 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
4015 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
4016 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
4017 (ggc_collect): Use fp printing instead of our own rounding.
4018 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
4019 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
4020 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
4021 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
4022 (struct ggc_string, struct ggc_any): Delete.
4023 (offsetof): Provide default definition.
4024 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
4026 (struct ggc_mem): New, from corpse of ggc_any.
4027 (struct ggc_status): Delete.
4028 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
4029 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
4030 (n_strings_collected, n_anys_collected): Delete.
4031 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
4032 (ggc_alloc_string, ggc_alloc): Delete.
4033 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
4034 (ggc_free_string, ggc_free_any): Delete.
4035 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
4036 (ggc_compare_addresses, ggc_mark_string): Delete.
4037 (ggc_mark_string_if_gcable, ggc_mark): Delete.
4038 (search_data): Delete.
4039 (struct globals): New.
4040 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
4041 (tree_insert, tree_lookup): New.
4042 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
4043 (clear_marks, sweep_objs): New.
4044 (ggc_collect): Gut. Use clear_marks, sweep_objs.
4045 (init_ggc): Set allocated_last_gc.
4046 (ggc_push_context): Gut. Use G.context.
4047 (ggc_pop_context): Likewise.
4048 (ggc_pop_context_1): New.
4049 (debug_ggc_tree): New.
4050 (debug_ggc_balance, tally_leaves): New.
4051 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
4052 (ggc_mark_string_if_gcable): Remove decl.
4053 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
4054 (ggc_mark_rtvec_children): New.
4055 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
4056 (ggc_mark_if_gcable): New decl.
4057 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
4058 (ggc_alloc_tree, ggc_alloc): Likewise.
4059 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
4060 (ggc_alloc_obj): New decl.
4061 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
4062 (ggc_alloc_tree, ggc_alloc): Likewise.
4063 (ggc_set_mark): New decl.
4064 * rtl.h (struct rtx_def): Remove gc_mark.
4065 (struct rtvec_def): Likewise.
4066 * tree.h (struct tree_common): Likewise.
4068 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
4070 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
4071 float_format and thread_file definitions.
4072 * configure: Rebuilt.
4074 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
4076 * extend.texi (Function Names): Document types of function names.
4078 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4080 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
4081 an earlyclobbered output conflict with RELOAD_INPUT reloads.
4083 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4085 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
4087 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4089 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
4091 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
4093 * collect2.c (main): Do prelimnary link on AIX if rflag.
4095 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4097 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
4098 __CTOR_LIST__ in opposite order, which is the correct order for sorted
4100 (__do_global_dtors): similarly for __DTOR_LIST__.
4102 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4103 Diego Novillo <dnovillo@cygnus.com>
4105 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
4108 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
4110 * fixincl/*: Merged "no_bogosity" branch
4111 * fixincl/fixlib.h: protect against doubly defining t_bool
4112 * fixincl/server.h: protect against doubly defining t_bool
4114 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
4116 * genoutput.c: Include toplev.h.
4118 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
4120 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
4122 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
4123 * configure: Regenerate.
4125 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
4127 * gcse.c (delete_null_pointer_checks): Returns void.
4129 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4131 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
4132 * emit-rtl.c (copy_insn_1): Likewise.
4134 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
4136 * config/mips/mips.c (mips_build_va_list): Correct
4137 TREE_CHAIN setting when hard-float.
4138 (mips_va_start): Use corrected setting.
4139 (mips_va_arg): Likewise. Also pass a tree to build of
4140 POSTINCREMENT_EXPR rather than a naked 'int'.
4142 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
4144 * ggc.h (ggc_push_context): Fix comment.
4145 (ggc_pop_context): Likewise.
4146 (mark_string_if_gcable): Likewise.
4147 * ggc-common.c (ggc_mark_rtx_children): Use
4148 ggc_mark_string_if_gcable.
4149 * ggc-page.c (ggc_lookup_page_table): New function.
4150 (ggc_allocated_p): Likewise.
4151 (mark_obj): Fix formatting.
4152 (ggc_mark_string_if_gcable): New function.
4153 * ggc-simple.c (ggc_allocated_strings): New variable.
4154 (ggc_strings_used): Likewise.
4155 (ggc_compare_addresses): New function.
4156 (ggc_pop_context): Pop the `any' memory too.
4157 (ggc_mark_string_if_gcable): New function.
4158 (ggc_collect): Initialize and tear down ggc_allocated_strings.
4160 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
4162 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
4163 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
4164 * rs6000.c (expand_block_move): Match movstrsi_?reg register
4167 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
4169 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
4170 (sched_reg_live_length, sched_reg_basic_block): Delete.
4171 (current_block_num, bb_live_regs, old_live_regs): Delete.
4172 (dead_notes, struct sometimes): Delete.
4173 (sched_note_set, birthing_insn_p): Delete.
4174 (adjust_priority): Gut useless reg lifetime code.
4175 (create_reg_dead_note, attach_deaths): Delete.
4176 (attach_deaths_insn, new_sometimes_live): Delete.
4177 (finish_sometimes_live): Delete.
4178 (find_pre_sched_live, find_post_sched_live): Delete.
4179 (update_reg_usage): Delete.
4180 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
4181 (schedule_insns): Delete reg lifetime code.
4182 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
4183 (unlink_other_notes): Adjust REG_NOTE commentary.
4184 (reemit_notes): Use REG_SAVE_NOTE.
4185 (schedule_block): Likewise.
4186 (schedule_region): Allocate bitmap of blocks in region. Use
4187 count_or_remove_death_notes. Use update_life_info.
4189 * rtl.h (REG_SAVE_NOTE): New.
4190 * rtl.c (reg_note_name): Update.
4192 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
4194 * combine.c (refresh_blocks, need_refresh): New.
4195 (combine_instructions): Allocate refresh_blocks. Invoke
4196 update_life_info if needed.
4197 (distribute_notes): Mark refresh_blocks instead of installing
4199 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
4200 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
4202 * Makefile.in (recog.o): Depend on basic-block.h.
4204 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
4206 * genrecog.c (add_to_sequence): Thinko last change: delete
4207 shadowing allow_const_int variable.
4209 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4211 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
4212 __GNUC__ and __GNUC_MINOR__.
4214 * gansidecl.h: Likewise.
4220 * toplev.h: Likewise.
4226 * varray.c: Likewise.
4228 * varray.h: Likewise.
4230 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4232 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
4233 use one before a jump table.
4235 * rtl.def (ADDRESS): Change documentation to match reality.
4236 * md.texi: Don't document it.
4237 * gmicro.md (load address pattern): Use 'p' constraint, delete use
4240 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
4242 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
4244 * genrecog.c (add_to_sequence): Move allow_const_int test outside
4245 known predicate block; default allow_const_int true.
4246 (debug_decision_list): New.
4248 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
4250 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
4252 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
4254 * gcse.c (gcse_main): Avoid global optimizations if we have a
4255 large number of basic blocks and the ratio of edges to blocks
4257 (delete_null_pointer_checks): Likewise.
4259 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
4261 * c-common.c (check_format_info): Warn if format string isn't a
4264 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4266 * configure.in (arm*-*-*): Don't let autoconf remove brackets
4267 * configure: regenerate
4269 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
4271 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
4272 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
4273 (peepholes): Re-enable.
4275 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
4277 * Makefile.in (flow.o): Depend on TREE_H.
4278 * basic-block.h (REG_SET_EQUAL_P): New.
4281 (free_regset_vector): Remove declaration.
4282 (flow_delete_insn_chain): Declare.
4283 (enum update_life_extent): New.
4284 (update_life_info, count_or_remove_death_notes): Declare.
4285 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
4286 Verify register live at bb->global_live_at_start before adding USE.
4287 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
4288 (CLEAN_ALLOCA): New.
4290 (PROP_*): New flags.
4291 (find_basic_blocks_1): Use alloc_EXPR_LIST.
4292 (clear_edges): Zero n_edges.
4293 (make_edge): Increment n_edges.
4294 (split_edge): Don't allocate bb->local_set. Increment n_edges.
4295 (flow_delete_insn_chain): Export.
4296 (delete_block): Decrement n_edges.
4297 (merge_blocks_nomove): Likewise.
4298 (life_analysis): Give life_analysis_1 PROP flags.
4299 (verify_wide_reg_1, verify_wide_reg): New.
4300 (verify_local_live_at_start): New.
4301 (update_life_info): Rewrite to call into propogate_block.
4303 (mark_regs_live_at_end): After reload, if epilogue as rtl,
4304 always mark stack pointer. Conditionally mark PIC register.
4305 After reload, mark call-saved registers, return regsiters.
4306 (life_analysis_1): Accept PROP flags not remove_dead_code.
4307 Call mark_regs_live_at_end before zeroing regs_ever_live.
4308 Use calculate_global_regs_live. Copy global_live_at_end before
4309 calling final propagate_block. Zero reg_next_use on exit.
4310 (calculate_global_regs_live): New.
4311 (allocate_bb_life_data): Don't allocate bb->local_set.
4312 (init_regset_vector, free_regset_vector): Remove.
4313 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
4314 Test flags before every operation. Warn if prologue/epilogue insn
4315 would have been deleted.
4316 (mark_set_regs, mark_set_1): Accept and use FLAGS.
4317 Use alloc_EXPR_LIST.
4318 (mark_used_regs): Accept and use FLAGS, not FINAL.
4319 Remove special handling for RETURN.
4320 (try_pre_increment): Use alloc_EXPR_LIST.
4321 (dump_flow_info): Dump n_edges.
4322 (unlink_insn_chain, split_hard_reg_notes): Remove.
4323 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
4324 (find_insn_with_note, new_insn_dead_notes): Remove.
4325 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
4326 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
4327 (replace_insns): Remove.
4328 (count_or_remove_death_notes): New.
4329 (verify_flow_info): Abort on error after all checks.
4330 (remove_edge): Decrement n_edges.
4331 (remove_fake_edges): Tweek format.
4332 * haifa-sched.c (schedule_insns): Use split_all_insns.
4333 * output.h (update_life_info): Remove declaration.
4334 * recog.c (split_all_insns): From the corpse of split_block_insns,
4335 do the whole function block by block. Use update_life_info.
4336 (recog_last_allowed_insn): New.
4337 (recog_next_insn): Mind it.
4338 (peephole2_optimize): Set it. Walk backwards through blocks.
4339 Use update_life_info.
4340 * rtl.h (update_flow_info, replace_insns): Remove declarations.
4341 (split_all_insns): Declare.
4342 * toplev.c (rest_of_compilation): Thread prologue before flow2.
4343 Use split_all_insns.
4345 * i386.md (or -1 peep2s): Disable.
4347 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
4349 * config/mips/mips.md (movstrsi+[123]) : Combine these into
4350 a single pattern. Scrap the 'd' versions as unnecessary.
4352 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
4353 tablejump_mips162,tablejump_internal4): The operands to a
4354 label_ref must be VOIDmode.
4356 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4358 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
4360 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
4362 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
4364 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
4366 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
4367 cache every function if ggc_p.
4369 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4371 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
4372 instead of copy_rtx. Accept sequences that contain asm statements.
4373 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
4374 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
4375 orig_asm_operands_vector, copy_asm_operands_vector,
4376 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
4378 * rtl.h (copy_insn, copy_insn_1): Declare.
4380 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4382 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
4384 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
4385 arguments to `current_file_function_operand'.
4387 * genrecog.c: Include hard-reg-set.h and resource.h in the
4388 generated output file.
4390 * real.c: Include tm_p.h.
4392 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4394 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
4397 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
4399 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
4400 before the fctiwz insn.
4402 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4403 Mark Mitchell <mark@codesourcery.com>
4405 * tree.c (make_lang_type_fn): New funtion pointer.
4406 (make_lang_type): Call it.
4407 * tree.h (make_lang_type): Declare.
4408 (make_lang_type_fn): Likewise.
4409 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
4411 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
4413 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
4414 make sure that HIGH instructions are copied into BASE_REGS.
4416 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
4418 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
4420 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
4422 * c-decl.c (finish_struct): Use simpler method of
4423 removing elements of a singly-linked list.
4425 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
4427 * alpha.md (peephole2's): Comment out peephole2's that generate
4430 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
4432 * genrecog.c (add_to_sequence): Disable mode check for
4435 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4437 * ggc-simple.c (init_ggc): Set empty_string.
4439 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
4441 * configure.in: Detect mmap. Add --with-gc=foo to select
4442 garbage collector; default to page if mmap available.
4443 * Makefile.in (GGC): Substitute.
4445 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
4447 * c-decl.c (ggc_p): Enable.
4449 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4451 * flow.c (verify_flow_info): Make it extern & unconditionally define.
4453 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
4455 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
4456 string for little-endian-data.
4458 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
4460 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
4461 case somebody tries to compile --enable-checking code with gcc
4464 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
4466 * genrecog.c (add_to_sequence): Verify operand to label_ref is
4469 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
4471 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
4472 * jump.c (jump_optimize_1): Document why.
4474 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4476 * collect2.c (scan_prog_file, scan_libraries): Prototype function
4477 pointers and casts for `int_handler' and `quit_handler'.
4479 * flow.c (verify_flow_info, split_hard_reg_notes,
4480 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
4481 remove_edge, remove_fake_successors): Add static prototypes.
4482 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
4483 (mark_set_1): Initialize variable `regno'.
4484 (unlink_insn_chain): Likewise for variable `curr'.
4485 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
4487 * loop.c (strength_reduce): Initialize variable
4488 `unrolled_insn_copies'.
4489 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
4490 prototypes. Change these functions to take const PTR parameters
4491 to avoid prototype conflict when used as the comparson argument
4493 (check_dbra_loop): Initialize variable `comparison_val'.
4495 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
4496 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
4497 (find_valid_class): Initialize variable `best_class'.
4498 (find_reloads): Call memcpy, not bcopy.
4500 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
4501 (hard_reg_use_compare): Don't needlessly cast away const.
4502 (reload_reg_class_lower): Likewise.
4503 (choose_reload_regs): Initialize variable `regno'.
4505 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
4507 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
4509 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
4511 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
4512 ({,d}discard): Add forward declarations. Declare parameter as
4514 (main_without_main): Explicitly declare return type to be int.
4515 (memcpy): Properly declare.
4517 * libgcc2.c (toplevel): If inhibit_libc is defined and not
4518 building the trampoline support, declare malloc, free, and
4520 (__clear_cache): Mark arguments as potentially unused.
4522 * frame.c (toplevel): If inhibit_libc is defined, declare
4525 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
4527 * flow.c (make_edge): Accept an optional 2D bitmap in which
4528 to cache edge existence. Update all callers.
4529 (make_label_edge, make_eh_edge): Pass through the edge cache.
4530 (make_edges): Provide the cache.
4532 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4534 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
4536 (local_mbtowc): Change the type of variable `i' from int to size_t.
4538 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
4539 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
4541 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
4543 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
4544 after other includes that define the appropriate types. Include
4545 tm_p.h for getting user prototypes.
4546 * ggc-callbacks.c (toplevel): Ditto.
4547 * ggc-none.c (toplevel): Ditto.
4548 * gcc-page.c (toplevel): Ditto.
4549 * ggc-simple.c (toplevel): Ditto.
4551 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
4552 Jonathan Larmour <jlarmour@cygnus.co.uk>
4554 * config/mips/mips.c (mips_move_2words): Split doubles if
4555 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
4557 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
4559 * genrecog.c (struct decision_test): New.
4560 (struct decision): Remove test-related members, sort the rest by size.
4561 (IS_SPLIT): Simplify.
4562 (new_decision, new_decision_test): New.
4563 (add_to_sequence): Use them. No special handling for args of
4565 (maybe_both_true): Renamed from not_both_true; return sense changed.
4566 (maybe_both_true_1, maybe_both_true_2): New. Broken out
4567 of maybe_both_true and adjusted for decision_test.
4568 (position_merit): Remove.
4569 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
4570 (merge_accept_insn): New, broken out of merge_trees.
4571 (merge_trees): Use them. No special case for c_test; no node
4572 splitting; use test type instead of position_merit.
4573 (factor_tests): New.
4574 (simplify_tests): New.
4575 (break_out_subroutines): Don't write code now.
4576 (find_afterward): New.
4577 (write_afterward, write_switch, write_cond): New.
4578 (write_action, is_unconditional): New.
4579 (write_node): New. Use them.
4580 (write_tree_1): Rewrite. Use the new functions above.
4581 (write_tree): Remove afterward processing.
4582 (write_subroutine): Simplify function variant emission.
4583 (write_subroutines): New.
4584 (same_codes, clear_codes): Remove.
4585 (same_modes, clear_modes): Remove.
4586 (write_header): New, broken out of main.
4587 (make_insn_sequence): Use new_decision and new_decision_test.
4588 (process_tree): New, broken out of main.
4589 (main): Adjust for merge_trees interface change.
4590 Don't #define operands in the output file.
4591 (record_insn_name): New, broken out of make_insn_sequence.
4592 (debug_decision_2, debug_decision_1, debug_decision_0): New.
4593 (debug_decision): New.
4595 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
4597 * resource.c (find_free_register): Mark class_str argument const.
4598 * resource.h: Update prototype to match.
4600 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
4601 * i386.md: Give all anonymous insns names.
4603 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
4605 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
4608 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
4610 * toplev.c (dbr_sched_time): Unconditional.
4611 (peephole2_time): New.
4612 (compile_file): Add pass numbers to all of the dump file suffixes.
4613 Dump peephole2_time. Don't dump times for non-applicable passes.
4614 (rest_of_compilation): Add pass numbers to dump file suffixes.
4615 Conditionalize calls to the scheduler.
4616 * invoke.texi: Update.
4618 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
4620 * flow.c (make_edges): Fix insn iteration.
4621 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
4622 (find_basic_blocks_1): Fix spelling mistake.
4624 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
4626 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
4627 always have side-effects. Use memset not bzero.
4628 (make_node): Likewise.
4630 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
4632 * stmt.c (expand_anon_union_decl): When any of the elements of the
4633 union is addressable, so is the entire union.
4635 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
4637 * sbitmap.c (sbitmap_ones): Don't set too many bits.
4639 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
4640 * bitmap.c (bitmap_operation): Return true iff TO changed.
4641 (bitmap_equal_p): New.
4642 (bitmap_bit_p): Tidy arithmetic.
4643 (debug_bitmap_file): Likewise.
4645 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
4647 * toplev.c (rest_of_compilation): Turn on cse_not_expected
4648 before cse2 instead of after.
4650 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
4652 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
4655 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4657 * cppinit.c (is_idchar initializer): Loosen tests to accept
4660 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
4662 * mips.md: Define conditional move patterns for floating point
4663 operands and DI mode conditions.
4665 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
4667 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
4668 always have side-effects.
4670 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
4672 * mn10200.c (asm_file_start): Fix typo.
4674 * cppinit.c (is_idchar initializer): Tighten tests for when
4675 to put the table into initialized memory.
4677 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
4678 not an array of rtunion.
4679 * gcc-page.c (ggc_alloc_rtvec): Similarly.
4680 * gcc-simple (ggc_free_rtvec): Similarly.
4682 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
4685 * mbchar.h: Add missing #endif.
4687 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
4688 (FPBIT, DPBIT): Define.
4690 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4692 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
4694 * profile.c (instrument_arcs, output_gcov_string,
4695 tablejump_entry_p): Add static prototypes.
4696 (output_gcov_string): Constify a char*.
4698 * regmove.c (replacement_quality, fixup_match_2): Add static
4701 * resource.h (reg_dead_p): Add extern prototype.
4703 * rtl.c (trim_filename): Add static prototype.
4705 * scan-decls.c (skip_to_closing_brace): Likewise.
4707 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
4708 (expand_end_case): Initialize variable `range'.
4709 (emit_case_nodes): Remove unused prototype `rtx_fn'.
4711 * varasm.c (asm_emit_uninitialised): Add static prototype.
4712 (asm_emit_uninitialised, assemble_variable): Mark parameter with
4715 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4717 * cpplib.c (if_directive_nameo): Add static prototype.
4719 * cse.c (cse_insn): Remove unused variable `p'.
4721 * except.c (create_rethrow_ref, push_entry,
4722 receive_exception_label, new_eh_region_entry, find_func_region,
4723 clear_function_eh_region, process_nestinfo): Add static prototypes.
4724 (get_reg_for_handler): Hide definition.
4725 (process_nestinfo): Initialize variable `extra_handlers'.
4727 * expr.h (expand_builtin_longjmp): Add extern prototype.
4729 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
4731 * function.c (prepare_function_start): Likewise.
4732 (pop_function_context_from): Mark parameter `context' with
4734 (push_temp_slots_for_block, flush_addressof): Hide definition.
4736 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
4737 solve_program_flow_graph, calculate_branch_probs,
4738 function_summary, main, fancy_abort): Add prototypes.
4740 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
4741 (add_hash): Constify a char*.
4743 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
4744 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
4745 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
4747 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
4749 * lists.c (free_list, zap_lists): Likewise.
4751 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4753 * alias.c (nonlocal_reference_p): Add static prototype.
4755 * bitmap.c (bitmap_element_allocate): Prototype args in function
4758 * builtins.c (stabilize_va_list): Add static prototype.
4759 (expand_builtin_va_arg): Constify a char*.
4761 * c-lex.c (getch, put_back, extend_token_buffer_to,
4762 read_line_number, token_getch, token_put_back): Add static
4765 * c-parse.gperf (hash, is_reserved_word): Likewise.
4767 * cccp.c (is_dir_separator): Likewise.
4769 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4771 * graph.h: New file to prototype functions exported by graph.c.
4773 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
4775 * graph.c: Include graph.h.
4777 * toplev.c: Likewise. Remove redundant prototypes.
4779 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
4781 * invoke.texi: Removed duplicated description for -Q.
4783 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
4785 * extend.texi: Grammar fix in __extension__ text.
4787 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
4789 * md.texi (define_peephole2): New section.
4791 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
4793 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
4794 (mov $-1 to or peepholer): Enable for pentium when optimizing for
4797 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
4799 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
4801 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
4803 * i386.md (ffs expander): Emit Pentium friendly code for
4806 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
4808 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
4812 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4814 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
4816 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
4818 * config/m68k/m68k.c (use_return_insn): Return false if the pic
4821 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4823 * md.texi (No Constraints): Delete section.
4824 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
4825 * final.c (final_scan_insn): We always have register constraints.
4826 * genattrtab.c: Don't include "insn-config.h".
4827 (write_attr_case): We always have register constraints.
4828 * genconfig.c (register_constraint_flag): Delete.
4829 (walk_insn_part): Don't check whether we have register constraints.
4830 (main): Don't write out "#define REGISTER_CONSTRAINTS".
4831 * genoutput.c (have_constraints): Delete.
4832 (main): Don't set it.
4833 (output_operand_data): We always have constraints.
4834 (scan_operands): Likewise.
4835 (compare_operands): Likewise.
4836 * local-alloc.c (block_alloc): We always have constraints.
4837 (requires_inout): Always compile this function.
4838 * recog.c (extract_insn): We always have constraints.
4839 (constrain_operands, reg_fits_class_p): Always compile these
4841 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
4843 (struct insn_operand_data): Likewise.
4844 * regclass.c (regclass): We always have constraints.
4845 (record_reg_classes, copy_cost, record_address_regs,
4846 auto_inc_dec_reg_p): Always compile these functions.
4847 * regmove.c (regmove_optimize): We always have constraints.
4848 * reload.c (find_reloads): Likewise.
4849 * reload1.c (reload): Likewise.
4850 (reload_cse_simplify_operands): Likewise.
4851 * i860.c (output_delay_insn): Likewise.
4853 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
4855 * iris6.h (BUILD_VA_LIST_TYPE): Define.
4857 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4859 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
4860 for the va_list record.
4862 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
4864 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
4867 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
4869 * alias.c: Include insn-flags.h.
4870 * Makefile.in (alias.o): Update.
4872 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
4874 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
4875 to LTU and GEU. Handle more cases using sbb.
4877 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
4879 * i386.md (truncatexfdf splitters): Do not use subreg.
4880 (fop XFmode patterns): Fix mode in operand testing.
4882 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
4884 * jump.c (jump_optimize_1): Amend last change to test only the
4885 form of the operand, not the insn.
4887 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
4888 not register_operand to determine when B may need preloading.
4890 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
4892 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
4893 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
4894 (call-value patterns): Move to end of file.
4895 (*): Remove mode from label_ref in (pc) context.
4896 (movstrqi): Use memory not general_operand for BLKmode operands.
4897 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
4898 to register_operand operands.
4899 (peep2 patterns): Convert from commented-out peephole patterns.
4901 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4903 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
4904 to BUILT_IN_INIT_DWARF_REG_SIZES.
4905 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
4906 Renamed from BUILT_IN_DWARF_REG_SIZE; call
4907 expand_builtin_init_dwarf_reg_sizes.
4908 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
4909 with __builtin_init_dwarf_reg_size_table.
4910 * dwarf2out.c (struct reg_size_range): Delete.
4911 (expand_builtin_init_dwarf_reg_sizes): New function.
4912 (expand_builtin_dwarf_reg_size): Delete.
4913 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
4914 (expand_builtin_dwarf_reg_size): Don't declare.
4915 * libgcc2.c (dwarf_reg_size_table_initialized): New.
4916 (dwarf_reg_size_table): New.
4917 (init_reg_size_table): New function.
4918 (copy_reg): Use dwarf_reg_size_table.
4919 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
4922 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
4924 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
4925 Correctly build argument list to constructor and destructor functions.
4927 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
4929 * c-tree.h (warn_float_equal): Declare.
4930 * c-decl.c (warn_float_equal): Define.
4931 (c_decode_option): Recognize -W[no-]float-equal.
4932 * c-typeck.c (build_binary_op): Conditionally warn
4933 about equality tests of floating point types.
4934 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
4935 * invoke.texi: Add docs for -Wfloat-equal warning.
4937 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
4939 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
4940 generating RTL directly.
4941 * mips.h (INIT_TARGET_OPTABS): Likewise.
4942 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
4944 * expr.h (init_mov_optab): Delete declaration
4946 * h8300.c (WORD_REG_USED): Update to avoid useless register
4947 saves in interrupt functions and functions which never return.
4949 * cse.c (struct set): Delete inner_dest_loc field.
4950 (cse_insn): Remove assignments to inner_dest_loc field.
4952 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
4954 * ggc-page.c: Don't include <unistd.h> etc taken care of
4955 by "system.h". Include <sys/mman.h> afterward.
4957 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
4959 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
4962 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
4964 * xcoffout.c (xcoffout_declare_function): Add documentation.
4965 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
4966 TARGET_64BIT. Compare constant to -1, not bit pattern.
4967 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
4968 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
4971 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
4973 * dwarf2out.c (add_abstract_origin_attribute): Abort if
4975 (gen_inlined_enumeration_type_die): Do not abort if the type has
4976 not been writeen out.
4977 (gen_inlined_structure_type_die): Do not abort if the type has
4978 not been writeen out.
4979 (gen_inlined_union_type_die): Do not abort if the type has
4980 not been writeen out.
4981 (gen_tagged_type_instantiation_die): Do not abort if the type
4982 has not been written out.
4984 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4986 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
4988 * reg-stack.c (straighten_stack): Copy hard reg set with
4991 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
4993 * builtins.c (stabilize_va_list): Stabilize array type va_list
4994 to a pointer type, not the base record type.
4995 (expand_builtin_va_copy): Dereference the pointers explicitly;
4996 use the correct size for the copy.
4998 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
4999 (rs6000_va_arg): Likewise.
5001 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
5003 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
5005 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
5007 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
5009 (DECL_BUILT_IN_CLASS): Adjust accordingly.
5011 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
5013 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
5014 (init_ggc): Use it instead of a constant.
5015 (ggc_collect): Bound allocated_last_gc by it.
5017 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
5019 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
5022 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
5024 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
5025 (mips*-*-openbsd*): Let big endian configuration be a fragment.
5027 * config/mips/openbsd.h: New, OpenBSD little endian target.
5028 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
5029 * config/mips/xm-openbsd.h: New, OpenBSD host.
5031 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
5033 * config/m68k/m68k.c (output_function_prologue,
5034 output_function_epilogue): Use
5035 current_function_uses_pic_offset_table instead of regs_ever_live
5036 to decide whether to save/restore pic register.
5037 (legitimize_pic_address): Don't modify regs_ever_live any more.
5039 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
5041 * function.h (struct function): Add x_dont_save_pending_sizes_p.
5042 * stor-layout.c (variable_size): Don't add sizes to the pending
5043 sizes list if x_dont_save_pending_sizes_p is set.
5045 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
5047 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
5048 for symbolic_operand().
5049 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
5051 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5053 * combine.c (gen_rtx_combine): Add missing call to va_end().
5055 * final.c (asm_fprintf): Likewise.
5057 * genattrtab.c (attr_rtx): Likewise.
5059 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
5061 * cse.c: Update comments.
5062 (cse_insn): When converting a conditional/computed jump into
5063 an unconditional jump, always make sure a BARRIER immediately
5064 follows the converted jump. Do not delete unreachable code.
5065 (cse_basic_block): Do not delete unreachable code.
5066 * toplev.c (rest_of_compilation): Move call to
5067 delete_trivially_dead_insns after the conditional call to
5070 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5072 * collect2.c (make_temp_file): Don't prototype.
5074 * gcc.c (make_temp_file): Likewise.
5076 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
5078 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
5080 * varasm.c (asm_emit_uninitialised): New function: Generate
5081 the assembler statements necessary to declare an uninitialised
5083 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
5085 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
5086 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
5088 (assemble_variable): Use asm_emit_uninitialised to emit an
5089 uninitialised variable.
5091 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
5093 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
5094 constant on a 64 bit host. Patch supplied by Geoffrey Keating
5095 <geoffk@cygnus.com>.
5097 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5099 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
5100 * c-common.h (builtin_function): Don't declare.
5102 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
5104 (pushdecl): Likewise.
5105 (finish_decl): Likewise.
5106 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
5107 int. All callers changed.
5108 Set the builtin's DECL_BUILT_IN_CLASS.
5109 * tree.h (enum built_in_class): New.
5110 (enum built_in_function): Delete NOT_BUILT_IN.
5111 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
5113 (DECL_SET_FUNCTION_CODE): Likewise.
5114 (DECL_BUILT_IN_CLASS): New macro.
5115 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
5116 (struct tree_decl): Split builtin function code field into a
5118 (builtin_function): Declare.
5120 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
5122 * optabs.c (init_traps): Fix typo in last change.
5124 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
5126 * toplev.c (rest_of_decl_compilation): Update comment.
5128 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
5130 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
5131 in .sbss if appropriate.
5132 (EXTRA_SECTION_FUNCTIONS): Add sbss.
5133 (SBSS_SECTION_ASM_OP): New macro.
5134 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
5135 (EXTRA_SECTIONS): Add in_sbss.
5136 * config/mips/mips.h: Prototype sbss_section.
5138 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
5140 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
5143 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
5145 * optabs.c (init_traps): Register trap_rtx as a GC root.
5147 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5149 * config/mips/mips.c (function_arg_pass_by_reference): Define
5150 unconditionally, since it's called unconditionally.
5152 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
5154 * toplev.c (documented_lang_options): Add -fshort-wchar.
5155 * c-decl.c (c_decode_option): Likewise.
5156 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
5158 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
5159 * gcc.c (default_compilers): If -fshort-wchar,
5160 override __WCHAR_TYPE__.
5161 * tm.texi (C Dialect Options): Add -fshort-wchar.
5163 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
5164 symbol for a variable.
5166 * cpplib.h (CPP_PREPROCESSED): New macro.
5167 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
5168 we're seeing this input for a second time.
5170 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
5172 * emit-rtl.c (init_emit_once): Initialize modes first.
5174 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
5176 * config/i386/i386.c (pic_label_name): Change to char pointer.
5177 (global_offset_table): New variable.
5178 (load_pic_register): Fill global_offset_table if it hasn't
5179 already been done. Allocate pic_label_name dynamically.
5180 * ggc.h (empty_string): New variable.
5181 * ggc-simple.c (empty_string): Likewise.
5182 (init_ggc): Allocate empty_string and add as root.
5183 * stmt.c (digit_strings): New variable.
5184 (init_stmt): Add last_block_end_note as root. Allocate and
5185 initialize digit_strings.
5186 (expand_asm_operands): Use empty_string instead of string
5187 constant. Use digit_strings instead of string constants.
5188 * profile.c (init_arc_profiler): Allocate string with
5189 ggc_alloc_string instead of xmalloc.
5190 (output_func_start_profiler): Likewise.
5191 * c-typeck.c (digest_init): Check if init is error_mark_node.
5193 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
5194 Richard Henderson <rth@cygnus.com>
5196 * ggc-page.c: New file.
5197 * Makefile.in (ggc-page.o): New.
5199 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
5201 * invoke.texi: Document -fdelete-null-pointer-checks
5202 * toplev.c (flag_delete_null_pointer_checks): New.
5203 (f_options): Add entry for -fdelete-null-pointer-checks.
5204 (rest_of_compilation): Conditionalize null pointer check
5205 elimination on flag_delete_null_pointer_checks.
5206 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
5208 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
5210 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
5211 copyright notice and special exception to GPL.
5213 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5215 * abi64.h (mips_function_value): Add prototype arguments.
5217 * mips-protos.h: New file with mips prototypes.
5219 * mips.c: Include "tm_p.h".
5220 (mktemp, lookup_name): Add prototype arguments.
5221 (extern_list, string_constant, mips_fill_delay_slot,
5222 mips_output_external, mips_output_external_libcall,
5223 mips_output_filename, mips_declare_object, function_prologue,
5224 mips_expand_prologue, function_epilogue, mips16_constant,
5225 build_mips16_function_stub, mips_output_conditional_branch):
5227 (mips_va_start): Remove unused variable `u'.
5228 (mips_va_arg): Cast value to unsigned when comparing against one.
5230 (save_restore_insns, mips_expand_prologue): Add missing arg in
5231 call to `large_int'.
5233 * mips.h: Move prototypes to mips-protos.h.
5234 (data_section, memory_address_p, rdata_section,
5235 readonly_data_section, simple_epilogue_p, text_section): Delete
5236 prototypes delcared elsewhere.
5237 (mips_epilogue_delay_slots, print_options): Delete unused decls.
5239 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
5241 * mips.md: Delete extra args in call to `mips_move_2words'.
5243 * xm-iris6.h (alloca): Add prototype argument.
5245 * genpeep.c: Include "tm_p.h" in generated output file.
5247 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5249 * basic-block.h (find_edge_index): Change parameters.
5250 * flow.c (verify_edge_list): Pass basic_block parameters to
5251 find_edge_index instead of integers.
5253 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
5255 * combine.c (simplify_comparison): Use an unsigned shift to adjust
5258 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
5260 * gcc.1: Fix a formatting error.
5262 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5264 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
5265 i786, mn10200, mn10300, pdp11, v850.
5267 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
5269 * libgcc2.c (num_digits): Add prototype with
5270 __attribute__((const)).
5271 (__terminate): Add prototype.
5273 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
5275 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
5277 * alpha/alpha.c (print_operand): Fix type of `code'.
5278 (alpha_output_filename): Constify.
5279 * alpha/alpha.h: Move all function declarations ...
5280 * alpha/alpha-protos.h: ... here. New file.
5281 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
5282 (SECTION_FUNCTION_TEMPLATE): Likewise.
5284 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5286 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
5287 * expr.c (expand_expr): Likewise.
5288 (do_jump): Likewise.
5289 (do_store_flag): Pass ccp_store_flag to can_compare_p.
5290 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
5292 (enum can_compare_purpose): New.
5293 (can_compare_p): Adjust prototype.
5294 (prepare_cmp_insn, prepare_operand): Declare.
5295 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
5296 * optabs.c (cmp_available_p): Deleted.
5297 (expand_abs): Pass ccp_jump to can_compare_p.
5298 (can_compare_p): New arg PURPOSE. Check for combined optabs.
5299 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
5300 Call can_compare_p rather than cmp_available_p.
5301 (prepare_operand): No longer static.
5302 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
5303 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
5304 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
5305 sequence to use emit_cmp_and_jump_insns.
5306 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
5308 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
5310 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
5311 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
5312 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
5313 (plus (reg) (const_int 0))
5314 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
5316 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
5318 * rs6000.c (expand_block_move): DImode loads and stores require
5319 word-aligned displacements. Increment address registers with
5320 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
5322 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
5324 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
5325 is no name for the base type, rather than segfault. If we are
5326 writing out a complex integer type, use DW_ATE_lo_user.
5328 * expr.c (emit_move_insn_1): If we are copying a complex that fits
5329 in one word or less (complex char, complex short, or on 64 bit
5330 systems complex float) to/from a hard register, copy it through
5331 memory instead of dying in gen_{real,imag}part. If we have a
5332 short complex type, prevent inlining since it allocates stack
5335 * tree.c (build_complex_type): If we are writing dwarf2 output,
5336 generate a name for complex integer types.
5338 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5340 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
5341 * flow.c (remove_edge): Remove extra whitespace.
5342 (remove_fake_edges): Fix comment.
5343 (add_noreturn_fake_exit_edges): Use the correct name.
5345 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
5347 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
5348 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
5349 (clean): Depend on INTL_CLEAN.
5350 (maintainer-clean): Adjust.
5352 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5354 * configure.in (AC_PREREQ): Bump to 2.13.
5355 (AC_C_STRINGIZE): Call this instead of using a custom macro.
5357 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
5359 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
5361 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
5363 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
5364 (HAVE_STRINGIZE): Define.
5366 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
5368 * c-parse.in: save and restore warn_pointer_arith on __extension__
5369 along with pedantic.
5370 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
5371 Set the type of extension to itype rather than $<itype>1 kludge.
5372 * extend.texi (Alternate Keywords): Adjust documentation.
5373 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
5375 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
5377 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
5378 most assembler templates.
5380 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
5381 FP loads and stores.
5382 (following_call): Always return zero for the PA8000.
5383 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
5384 FP loads and stores.
5385 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
5387 * pa.h (BRANCH_COST): Define.
5389 * pa.md (return, return_internal): Use bve for PA2.0.
5391 * pa.md (fused multiply): Add variants which reduce height for the
5392 fused multiply, but which still generate 2 insns.
5393 (fnegabs): Similarly.
5395 * pa.md (subsi3): Turn into an expander. Create two anonymous
5396 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
5397 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
5399 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
5401 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
5403 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
5404 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
5406 * regclass.c (init_regs): Add "top_of_stack" as a garbage
5409 * flow.c (record_active_eh_regions): Terminate loop after finding
5410 the last insn in the last basic block.
5412 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5414 * config/c4x/c4x.md: Delete parallel instruction peepholes.
5416 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5418 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
5420 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5422 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
5423 splitting to not use output template.
5425 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5427 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
5428 * config/c4x/c4x.c (c4x_va_start): New function.
5430 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
5432 * genrecog.c (not_both_true): Handle correctly cases when called for
5433 tests with different positions in the insn.
5435 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5437 * machmode.h (HOST_PTR_PRINTF): Move from here ...
5439 * system.h (HOST_PTR_PRINTF): ... to here.
5441 * mips-tfile.c: Don't include machmode.h.
5443 * Makefile.in (MACHMODE_H): New variable. Update to use it.
5444 (mips-tfile.o): Don't depend on machmode.h.
5446 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5448 * haifa-sched.c (sched_analyze): Rename local variable `region' to
5449 avoid conflicts with typedef struct `region' at the top level scope.
5451 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
5453 * basic-block.h (basic_block): Add eh_beg, eh_end.
5454 * flow.c (entry_exit_blocks): Update.
5455 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
5457 (find_basic_blocks_1): Don't record eh_list at each bb. Use
5458 lists.c functions to allocate insn lists.
5459 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
5461 (make_eh_edge): ... here. New.
5462 (move_stray_eh_region_notes): New.
5463 (record_active_eh_regions): New.
5464 (delete_unreachable_blocks): Split out block merging ...
5465 (try_merge_blocks): ... here. New.
5466 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
5467 Dump debugging data.
5468 (merge_blocks_move_successor_nojumps): Likewise.
5469 (merge_blocks): Use eh_beg+eh_end to validate block movement.
5471 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5473 * extend.texi (Bound member functions): Document unbound pmf
5476 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5478 * flow.c (split_edge): Handle insertion on a fallthrough edge which
5479 has the EXIT_BLOCK as a dest.
5481 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5483 * flow.c (remove_edge): New function to remove an edge from the
5485 (remove_fake_successors): New function to remove fake successor edges.
5486 (remove_fake_edges): New function to remove all fake edges from the
5488 (add_fake_exit_edges): New function to add fake edges from all blocks
5489 with no successors to the exit block.
5490 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
5491 prototypes for new functions.
5493 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
5495 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
5496 Use Pmode to determine whether to output .dword or .word.
5498 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
5500 * tree.c (built_in_filename): New variable.
5501 (BUILT_IN_FILENAME): New macro.
5502 (init_tree_codes): Allocate built_in_filename.
5503 (make_node): Use built_in_filename instead of string constant.
5505 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
5507 * configure.in: Add fr30 target.
5508 * configure: Regenerate.
5509 * config/fr30: New directory.
5510 * config/fr30/crti.asm: New file.
5511 * config/fr30/fr30.c: New file.
5512 * config/fr30/crtn.asm: New file.
5513 * config/fr30/fr30.h: New file.
5514 * config/fr30/fr30.md: New file.
5515 * config/fr30/lib1funcs.asm: New file.
5516 * config/fr30/t-fr30: New file.
5517 * config/fr30/xm-fr30.h: New file.
5519 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
5521 * flow.c (merge_blocks_move_successor_nojumps): Delete the
5522 BARRIER at the end of the successor, not the BARRIER before
5525 * pa.c (pa_add_gc_roots): Fix thinko in last change.
5527 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
5529 * stmt.c (any_pending_cleanups): Don't crash when
5530 current_function->stmt is unset.
5532 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5534 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
5535 other initializations that may use it for relative offsets.
5537 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5539 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
5540 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
5541 * config/i386/sol2dbg.h: Removed.
5542 * config/i386/sol2gas.h: New file, to enable gas work-around.
5543 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
5544 Don't use sol2dbg.h.
5545 * configure: Rebuilt.
5547 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
5549 * invoke.texi (-fthis-is-variable): Remove documentation.
5551 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
5553 * basic-block.h (compute_bb_for_insn): Declare.
5554 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
5555 to use; set size of basic_block_for_insn directly.
5556 (find_basic_blocks): Update.
5558 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5560 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
5562 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5564 * crtstuff.c (ON_EXIT): Delete empty macro definition.
5565 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
5567 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
5569 * c-decl.c (c_decode_option): Extend comment.
5571 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
5573 * toplev.c (progname): Make 'const char *'
5574 (flag_print_mem): Move out of main.
5575 (version_flag): Move out of main.
5576 (filename): Move out of main.
5577 (debug_args): Remove g prefix from options.
5578 (documented_lang_options): Remove cpplib specific options.
5579 (display_help): Add g prefix to debug options.
5580 (check_lang_option): Delete this function.
5581 (decode_d_option): New function: Decode -d... option.
5582 (decode_f_option): New function: Decode -f... option.
5583 (decode_W_option): New function: Decode -W... option.
5584 (decode_g_option): New function: Decode -g... option.
5585 (independent_decode_option): New function: Decode a language
5586 independent command line option.
5587 (main): Invoke lang_decode_option and then
5588 independent_decode_option on each command line option in
5591 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
5593 Revert this change. Gavin's patch to operand_equal_p is a better fix.
5594 * fold-const.c (fold_range_test): Do not try to fold the range
5595 test if the rhs or lhs has side effects.
5597 * basic-block.h (compute_flow_dominators): Declare.
5599 * gcse.c (alloc_code_hoist_mem): New function.
5600 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
5601 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
5602 (hoist_code, one_code_hoisting_pass): Likewise.
5603 (gcse_main): If optimizing for size, then hoist expressions
5604 computed in multiple dominated basic blocks.
5606 * gcse.c (invalid_nonnull_info): New function.
5607 (delete_null_pointer_checks): Likewise.
5608 * rtl.h (delete_null_pointer_checks): Declare.
5609 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
5611 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
5612 (merge-blocks_move_successor_nojumps): Likewise.
5613 (merge_blocks): Allow merging of some blocks, even if it requires
5614 physical movement of the blocks, but not if it requires new jumps.
5616 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
5617 Callers and prototype changed.
5618 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
5620 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5622 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
5623 -YP when both -p and -pg are present. From i386/sol2.h.
5625 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5627 * Makefile.in (distclean): Delete tm_p.h.
5628 * configure.in: Create a new file, "tm_p.h", from a list in
5629 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
5630 "i386/i386-protos.h".
5632 * alias.c: Include "tm_p.h".
5633 * c-typeck.c: Likewise.
5634 * calls.c: Likewise.
5636 * emit-rtl.c: Likewise.
5637 * explow.c: Likewise.
5638 * expmed.c: Likewise.
5640 * final.c: Likewise.
5642 * fold-const.c: Likewise.
5643 * function.c: Likewise.
5645 * global.c: Likewise.
5646 * haifa-sched.c: Likewise.
5647 * integrate.c: Likewise.
5649 * local-alloc.c: Likewise.
5651 * optabs.c: Likewise.
5652 * recog.c: Likewise.
5653 * reg-stack.c: Likewise.
5654 * regclass.c: Likewise.
5655 * regmove.c: Likewise.
5656 * reload.c: Likewise.
5657 * reload1.c: Likewise.
5658 * reorg.c: Likewise.
5659 * resource.c: Likewise.
5661 * stor-layout.c: Likewise.
5662 * toplev.c: Likewise.
5664 * unroll.c: Likewise.
5665 * genattrtab.c (main): Make generated file include "tm_p.h".
5666 * genemit.c (main): Likewise.
5667 * genoutput.c (main): Likewise.
5668 * genrecog.c (main): Likewise.
5670 * i386.h: Delete all prototypes.
5671 * i386.c: Include "tm_p.h".
5672 (ix86_attr_length_default): Call constant_call_address_operand
5673 with correct number of arguments.
5674 * i386-protos.h: New file.
5675 * i386.md (unnamed patterns): Call constant_call_address_operand
5676 with correct number of arguments.
5677 (exception_receiver): Call load_pic_register with correct number
5680 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
5682 * c-pragma.c (mark_align_stack): Dereference the void* properly.
5684 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
5686 * rtl.h (insns_safe_to_move_p): New function.
5687 * loop.c (find_and_verify_loops): Use it.
5688 * rtlanal.c (insns_safe_to_move_p): Define it.
5690 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
5692 * c-pragma.c: Include ggc.h.
5693 * Makefile.in (c-pragma.o): Update.
5695 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5697 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
5698 (LIB_SPEC): Likewise.
5699 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
5700 Reindent -YP/-p/-pg.
5701 Copied from config/sparc/sol2.h.
5703 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
5705 * c-pragma.c (mark_align_stack): New.
5707 * c-pragma.h (init_pragma): Declare it.
5708 * c-lex.c (init_parse): Call it.
5710 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5712 * configure.in: Pick up thread library on Solaris/x86 just
5713 like on Solaris/sparc.
5714 * configure: Rebuilt.
5716 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
5718 * rtl.h (global_rtx_index): New enum.
5719 (global_rtl): Change to array of rtx.
5720 (pc_rtx, cc0_rtx): Redefine accordingly.
5721 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
5722 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
5723 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
5724 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
5725 (const_int_rtx): Change to array of rtx.
5726 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
5728 * emit-rtl.c (global_rtl): Change to array of rtx.
5729 (const_int_rtx): Change to aray of rtx.
5730 (gen_rtx_CONST_INT): Redefine accordingly.
5731 (init_emit_once): Allocate and initialize global_rtl. Likewise
5732 for const_int_rtx. Add both as GC roots.
5733 * genattrtab.c (global_rtl): Update declaration.
5735 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
5737 * Makefile (USER_H): Add iso646.h back.
5739 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
5741 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
5742 zapping the LOG_LINKS of sched_before_next_call.
5744 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
5745 * pa.c (insn_refs_are_delayed): Renamed from
5746 insn_sets_and_refs_are_delayed.
5748 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
5750 * functiion.h (struct function): Add x_whole_function_mode_p.
5751 (retrofit_block): Declare.
5752 * function.c (retrofit_block): New function.
5753 (identify_blocks): Add assertions. Allow an incomplete set of
5754 block notes if we're still generating code for the function.
5755 * integrate.c: Include loop.h.
5756 (expand_inline_function): Call find_loop_tree_blocks to map block
5757 notes to blocks when in whole-function mode. Use retrofit_block
5758 to insert new BLOCKs for the inlined function, rather than
5760 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
5761 * Makefile.in (integrate.o): Depend on loop.h.
5763 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
5765 * tree.h (warn_about_unused_variables): Declare.
5766 * stmt.c (warn_about_unused_variables): New function, split out
5768 (expand_end_bindings): Here.
5770 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
5772 * stmt.c (preserve_subexpressions_p): Don't crash when
5773 current_function->stmt is unset.
5775 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
5777 * stmt.c (expand_start_bindings): Allow callers to pass a flag
5778 indicating that no NOTE_INSN_BLOCK_BEG note is required.
5779 (expand_start_target_temps): Use it.
5780 * except.c (expand_eh_region_start_for_decl): Likewise.
5781 * expr.c (expand_expr): Likewise.
5783 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
5785 * fold-const.c (operand_equal_p): Pay attention to side effects.
5787 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
5789 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
5790 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
5792 * tlink.c (scan_linker_output): Look for keywords before accepting
5793 a mangled name in quotes.
5795 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
5797 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
5798 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
5800 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
5802 * alpha.md: Revert Thu Nov 26 change that came in through the
5803 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
5804 Avoid earlyclobber when possible.
5806 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5808 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
5810 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
5811 Define HAVE_ON_EXIT.
5813 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5815 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
5816 CTYPE_CONV in all ctype macros.
5818 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
5821 * cexp.y (initialize_random_junk): Likewise.
5823 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
5825 * i370.c (handle_pragma): Likewise.
5827 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
5829 * v850.c (override_options): Likewise.
5831 * doprint.c (_doprnt): Likewise.
5833 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
5836 * fixinc/server.c (load_data): Likewise.
5838 * fold-const.c (real_hex_to_f): Likewise.
5840 * genattr.c (write_upcase, gen_attr): Likewise.
5842 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
5843 write_upcase): Likewise.
5845 * genemit.c (print_code): Likewise.
5847 * genopinit.c (gen_insn): Likewise.
5849 * genpeep.c (print_code): Likewise.
5851 * genrecog.c (print_code): Likewise.
5853 * optabs.c (init_libfuncs): Likewise.
5855 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
5857 * haifa-sched.c (sched_analyze): Keep the list of notes organized
5859 (reemit_notes): Likewise.
5861 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
5863 * ggc.h (ggc_root): Move to ggc-common.c.
5865 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
5866 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
5867 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
5868 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
5869 * ggc-common.c (ggc_root): Move from ggc.h.
5870 (roots): Declare, static.
5871 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
5872 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
5873 null or check/set mark bit.
5874 (ggc_mark_roots): New.
5875 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
5877 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
5879 * m32r.c: Include toplev.h.
5880 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
5881 (gen_compare): Rename swap_p to must_swap to match uses.
5882 Add default abort case.
5883 (m32r_output_function_epilogue): Remove unused variables.
5884 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
5885 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
5886 define to empty parameter list. Update all uses.
5887 (predicate decls): Use enum machine_mode not int.
5888 * m32r.md (movsi): Call abort, not fatal_insn.
5889 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
5891 1999-09-14 Andrew Haley <aph@cygnus.com>
5893 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
5894 use $0 instead of 0.
5896 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5898 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
5899 computation out of loop over hard regs.
5901 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
5903 * function.c (identify_blocks): Don't shadow a variable in an
5905 * integrate.c (integrate_decl_tree): Don't use pushlevel,
5906 pushdecl, or poplevel to build up the new BLOCK tree.
5907 (expand_inline_function): Likewise.
5908 (integrate_parm_decls): Likewise.
5910 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
5912 * c-typeck.c (qualify_type): Merge qualifiers from both types.
5914 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
5916 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
5917 * invoke.texi: Document this change.
5919 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
5921 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
5923 (mark_emit_status): Renamed from mark_emit_state.
5924 * except.c (mark_eh_status): Renamed from mark_eh_state.
5925 Check not null before marking.
5926 (free_eh_status): New.
5927 * expr.c (mark_expr_status, free_expr_status): New.
5928 * function.c (free_machine_status): New.
5929 (free_after_parsing): New.
5930 (free_after_compilation): Move bits to free_after_parsing; call
5931 free_eh_status, free_expr_status; zero the marked members of the
5933 (prepare_function_start): No can_garbage_collect.
5934 Call init_eh_for_function.
5935 (expand_dummy_function_end): Free up current_function state.
5936 (mark_function_status): Renamed from mark_function_state.
5937 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
5938 * function.h (struct function): No can_garbage_collect.
5939 (free_machine_status, free_after_parsing): Declare.
5940 (free_eh_status, free_expr_status): Declare.
5941 * ggc.h (mark_expr_status): Declare.
5942 * stmt.c (free_stmt_status): Free the struct.
5943 (mark_stmt_status): Renamed from mark_stmt_state.
5944 (init_stmt): Don't call init_eh.
5945 (init_stmt_for_function): Don't call init_eh_for_function.
5946 * toplev.c (compile_file): Call init_eh.
5947 (rest_of_compilation): Free basic block info before ggc_collect.
5948 Call free_after_parsing; conditionally call free_after_compilation.
5949 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
5950 Check not null before marking.
5951 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
5953 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
5955 * c-lex.c (yylex): Initialize warn.
5957 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
5959 * pa.c (emit_move_sequence): Properly set the mode of the scratch
5960 register when performing secondary reloads for the SAR register.
5962 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
5964 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
5965 (NOTE_BLOCK): New macro.
5966 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
5967 * function.h (identify_blocks): Change prototype.
5968 * function.c (identify_blocks): Simplify.
5969 (reorder_blocks): Likewise.
5970 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
5971 NOTE_INSN_BLOCK_{BEG,END}.
5972 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
5973 the list of saved notes if the note isn't a
5974 NOTE_INSN_BLOCK_{BEG,END}.
5975 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
5977 (reemit_notes): Adjust recreation of notes to reflect new saved
5979 * print-rtl.c (print_rtx): Print the address of the BLOCK when
5980 printing a block note.
5981 * stmt.c (block_vector): Remove.
5982 (find_loop_tree_blocks): Simplify.
5983 (unroll_block_trees): Likewise.
5984 * tree.h (reorder_block): Change prototype.
5986 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
5988 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
5989 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
5990 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
5991 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
5992 (atexit, exit): Simplify.
5993 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
5994 * config/lots: Remove defns of HAVE_ATEXIT.
5996 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
5998 * calls.c (precompute_arguments): Fix typo in comment.
5999 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
6002 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
6004 * dsp16xx.c (override_options): Fix typos in GC root registration.
6006 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
6008 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
6010 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
6011 (FUNCTION_PROFILER): Redefine appropriately for Linux.
6012 (CC1_SPEC): Likewise.
6014 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6016 * genattr.c (main): Add extern prototype. Call return, not exit.
6017 * genattrtab.c (main): Likewise.
6018 * gencheck.c (main): Likewise.
6019 * gencodes.c (main): Likewise.
6020 * genconfig.c (main): Likewise.
6021 * genemit.c (main): Likewise.
6022 * genextract.c (main): Likewise.
6023 * genflags.c (main): Likewise.
6024 * gengenrtl.c (main): Likewise.
6025 * genopinit.c (main): Likewise.
6026 * genoutput.c (main): Likewise.
6027 * genpeep.c (main): Likewise.
6028 * genrecog.c (main): Likewise.
6030 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
6031 * genattrtab.c (get_insn_name): Likewise.
6032 * gencodes.c (get_insn_name): Likewise.
6033 * genconfig.c (get_insn_name): Likewise.
6034 * genemit.c (get_insn_name): Likewise.
6035 * genextract.c (get_insn_name): Likewise.
6036 * genflags.c (get_insn_name): Likewise.
6037 * genopinit.c (get_insn_name): Likewise.
6038 * genpeep.c (get_insn_name): Likewise.
6040 * gencheck.c (usage): Add static prototype.
6041 * genextract.c (print_path): Constify a char*.
6042 * genopinit.c (optabs): Likewise.
6043 * genoutput.c (operand_data, data, output_predicate_decls,
6044 compare_operands): Likewise.
6045 * genrecog.c (write_tree): Add default case in switch.
6047 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6049 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
6051 * print-rtl.c (get_insn_name): Remove prototype.
6053 * toplev.h (progname): Declare const.
6055 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
6056 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
6057 dump_sched_info, dump_local_alloc, regset_release_memory,
6058 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
6059 error_with_file_and_line, error_with_decl, error_for_asm, error,
6060 fatal, warning_with_file_and_line, warning_with_decl, warning,
6061 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
6062 Remove redundant prototypes.
6064 (notice, check_lang_option, report_file_and_line, vnotice,
6065 mark_file_stack): Add static prototype.
6066 (set_fatal_function): Add prototype.
6067 (vnotice, report_file_and_line, set_fatal_function,
6068 check_lang_option): Constify a char*.
6069 (main): Prototype. Call return, not exit.
6071 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6073 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
6075 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
6077 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
6079 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
6081 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6083 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
6084 behave as if it's zero in all cases.
6085 (expand_function_start): Adjust call to assign_parms.
6086 * tree.h (assign_parms): Adjust prototype.
6087 * objc/objc-act.c (hack_method_prototype): Adjust call to
6090 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
6092 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
6093 arg_pointer_rtx fixed if the argument pointer register is
6095 (NONZERO_BASE_PLUS_P): Likewise.
6097 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
6099 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
6100 match_insn2 to match_insn.
6101 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
6103 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
6105 * Makefile.in (USER_H): Remove va-foo.h.
6107 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
6108 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
6109 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
6110 va-spur.h,va-v850.h}: Remove.
6112 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
6114 * sparc/sparc.md (eligible_for_return_delay): New attribute.
6115 (in_return_delay): Use it instead of match_insn.
6117 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6119 * config/alpha/va_list.h (va-alpha.h): Do not include.
6120 (__gnuc_va_list): Typedef as in varargs.h.
6122 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
6124 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
6125 DECL_LIVE_RANGE_RTL.
6127 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
6129 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
6130 not NOTE_BLOCK_NUMBER.
6131 (expand_eh_region_end): Likewise.
6132 (find_exception_handler_labels): Likewise.
6133 (scan_region): Likewise.
6134 (exception_optimize): Likewise.
6135 (update_rethrow_references): Likewise.
6136 (set_insn_eh_region): Likewise.
6137 * final.c (final_scan_insn): Likewise.
6138 * flow.c (make_edges): Likewise.
6139 * integrate.c (expand_inline_function): Likewise.
6140 * print-rtl.c (print_rtx): Likewise.
6142 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
6144 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
6145 terms of builtin functions and types.
6147 * mips.c (mips_build_va_list): New.
6148 (mips_va_start, mips_va_arg): New.
6149 * mips.h (BUILD_VA_LIST_TYPE): New.
6150 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
6152 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
6153 (sh_build_va_list, sh_va_start, sh_va_arg): New.
6154 * sh.h (BUILD_VA_LIST_TYPE): New.
6155 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
6157 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
6159 * recog.h (struct recog_data): Make dup_num, operand_address_p,
6160 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
6161 (struct insn_data): Likewise with n_operands, n_dups,
6162 n_alternatives, output_format.
6163 * regclass.c (scan_one_insn): Cast n_operands to int before
6164 arithmetic inside comparison.
6166 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
6168 * toplev.c (compile_function): Unconditionally emit nop.
6170 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6172 * haifa-sched.c (actual_hazard): Move declaration of variable
6173 `this_cost' into the scope where it is used.
6175 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6177 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
6178 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
6179 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
6181 * genrecog.c (make_insn_sequence): Call memset, not bzero.
6183 * jump.c (find_insert_position): Don't declare or define unless
6184 !HAVE_conditional_arithmetic.
6185 (returnjump_p_1, delete_prior_computation): Add static prototypes.
6187 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
6189 * recog.c (offsettable_address_p): Prototype function pointer.
6190 (preprocess_constraints): Call memset, not bzero.
6192 * tree.c (tree_node_kind_names): Constify a char*. Make static.
6193 (gcc_obstack_init): Don't declare.
6194 (fix_sizetype): Add static prototype.
6195 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
6196 (tree_cons): Call memset, not bzero.
6198 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
6199 definition in macro ASM_WEAKEN_LABEL.
6200 (mark_const_hash_entry): Add static prototype.
6202 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6204 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
6206 * unroll.c (find_common_reg_term, subtract_reg_term,
6207 loop_find_equiv_value): Add static prototypes.
6208 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
6209 (copy_loop_body): Remove unreachable break statement.
6211 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
6213 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
6215 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6217 Undo some changes from the gcc2 merge:
6218 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
6219 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
6223 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
6224 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6225 initialized float-int union if the value is a NaN.
6227 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
6229 * gthr-win32.h: New file.
6231 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
6232 shared as a valid attribute.
6233 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
6234 * extend.texi: Document `shared' variable attribute.
6236 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
6238 * configure.in: Handle --enable-threads on FreeBSD.
6239 * configure: Rebuit.
6241 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
6243 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
6245 * configure: Rebuilt.
6247 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
6248 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
6249 Rosimildo DaSilva <rdasilva@connecttel.com>
6251 * configure.in (m68k-*-rtemscoff*): Added.
6252 * configure.in (mips64orion-*-rtems*): Converted to ELF.
6253 * configure.in (sparc-*-rtemsaout*): Added as alias for old
6254 sparc-rtems configuration.
6255 * configure.in (sparc-*-rtemself*): Added.
6256 * configure.in (sparc-*-rtems*): Now ELF not a.out.
6257 * config/i386/rtems.h: Added comment.
6258 * config/sparc/rtemself.h: New file.
6260 * configure.in (m68k-rtemself): Added.
6261 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
6262 and DWARF_DEBUGGING_INFO.
6263 * config/m68k/crti.s: New file.
6264 * config/m68k/crtn.s: New file.
6265 * config/m68k/t-crtstuff: New file.
6266 * config/m68k/rtemself.h: New file.
6268 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
6269 global ctor/dtor and C++ exception handling.
6270 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
6271 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
6273 * config/i386/t-rtems-i386: New File.
6275 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
6277 * stmt.c (expand_end_case): Return right away if the case stack is
6280 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
6282 * Makefile.in (version.c): Remove rule incorrectly brought in from
6285 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
6287 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
6288 * msdos/top.sed: Take into account a prepended $(SHELL) to
6290 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
6292 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
6294 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6296 * regmove.c (fixup_match_1): Don't change an unchanging register.
6297 (stable_but_for_p): Renamed to:
6298 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
6299 Changed all callers.
6301 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
6303 * loop.c (strength_reduce): Don't call reg_used_between_p if the
6304 insn from BL2 is after the insn from BL.
6306 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
6308 * recog.h (INSN_OUTPUT_FORMAT_*): New.
6309 (struct insn_data): Merge `template' and `outfun' into `output'.
6310 Add `output_format'.
6311 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
6312 (struct data): Remove `outfun'; add `output_format'.
6313 (name_for_index): Remove declaration.
6314 (output_insn_data): Handle output formats.
6315 (process_template): Emit the bare array for @.
6316 (gen_expand, gen_split): Set output_format to NONE.
6317 * output.h (get_insn_template): Declare.
6318 * final.c (get_insn_template): New.
6319 (final_scan_insn): Use it.
6320 * toplev.c (compile_file): Likewise.
6322 * c4x/c4x.c (c4x_process_after_reload): Likewise.
6323 * i860/i860.c (output_delayed_branch): Likewise.
6324 (output_delay_insn): Likewise.
6326 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6328 * rtl.c (obstack_alloc_rtx): Removed.
6330 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
6332 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
6334 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
6336 * i386.c (call_insn_operand): Reject const_int.
6337 (expander_call_insn_operand): Use call_insn_operand.
6339 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6341 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
6343 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
6345 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
6346 Use DImode operation.
6348 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
6350 * gcc.c: Include sys/resource.h.
6351 (report_times): New flag.
6352 (execute): If report_times is set, calculate and report the
6353 CPU time consumed by each subprocess.
6355 (rus, prus): New globals.
6356 (option_map): Add --time.
6357 (display_help): Document -time.
6358 (process_command): Set report_times if -time is given.
6359 Turn off -pipe if -time is given.
6361 * invoke.texi: Document new option -time.
6363 * configure.in: Check for getrusage. Check if we have to
6364 prototype getrusage.
6365 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
6366 * configure: Regenerate.
6367 * config.in: Regenerate.
6369 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
6371 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
6374 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
6376 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
6377 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
6378 (nan): Return _thenan_sf or _thenan_df as appropriate.
6379 (L_thenan_sf): Define _thenan_sf.
6380 (L_thenan_df): Define _thenan_df.
6382 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
6383 (DPBIT_FUNCS): Add _thenan_df.
6385 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
6387 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
6390 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6392 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
6395 (lang_specific_driver): Don't take a function pointer parameter.
6396 All callers changed.
6398 * gcc.c: Include gcc.h.
6399 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
6400 lang_specific_extra_outfiles, fatal): Don't declare.
6401 (multilib_defaults_raw): Constify.
6402 (read_specs): Call memset, rather than bzero.
6403 (main): Call return, not exit.
6404 (lookup_compiler): Call memcpy, not bcopy.
6405 (fatal): Make extern.
6407 * cppspec.c: Include gcc.h.
6408 (lang_specific_driver): Initialize variable `quote'. Constify a
6409 char*. All calls to the function pointer parameter now
6410 explicitly call `fatal'.
6412 * gccspec.c (lang_specific_driver): Include gcc.h.
6414 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
6416 * arm.c (note_invalid_constants): Use recog_data.operand_type
6419 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6421 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
6424 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
6425 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
6426 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
6427 reload_secondary_in_reload, reload_secondary_out_reload,
6428 reload_secondary_in_icode, reload_secondary_out_icode,
6429 reload_reg_rtx, reload_when_needed): Delete declarations.
6430 (struct reload): New structure.
6431 (rld): Declare new array.
6432 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
6433 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
6434 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
6435 reload_secondary_in_reload, reload_secondary_out_reload,
6436 reload_secondary_in_icode, reload_secondary_out_icode,
6437 reload_reg_rtx, reload_when_needed): Delete definitions.
6439 (whole file): Replace uses of the deleted arrays with uses of rld.
6440 * reload1.c (whole file): Replace uses of the deleted arrays with
6442 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
6443 explicit loops, not with bcopy.
6445 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
6447 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
6448 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
6449 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
6450 insn_name): Delete and consolidate into new structures.
6451 (insn_operand_predicate_fn): New.
6452 (insn_output_fn): New.
6454 (struct insn_operand_data): New.
6455 (struct insn_data): New.
6457 (OUT_FCN): Update for insn_data change.
6458 * builtins.c (expand_builtin_strlen): Likewise.
6459 (expand_builtin_memcmp): Likewise.
6460 * combine.c (make_extraction, simplify_comparison): Likewise.
6461 * cse.c (canon_reg, cse_insn): Likewise.
6462 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
6463 * expmed.c (store_bit_field, extract_bit_field): Likewise.
6464 (emit_store_flag): Likewise.
6465 * expr.c (convert_move, emit_block_move): Likewise.
6466 (clear_storage, emit_push_insn, expand_increment): Likewise.
6467 (do_store_flag): Likewise.
6468 * expr.h (GEN_FCN): Likewise.
6469 (insn_gen_function): Die.
6470 * final.c (final_scan_insn): Update for insn_data change.
6471 (output_asm_name): Likewise.
6472 * function.c (fixup_var_refs_1): Likewise.
6473 * loop.c (check_dbra_loop): Likewise.
6474 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
6475 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
6476 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
6477 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
6478 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
6479 * regmove.c (gen_add3_insn): Likewise.
6480 * reload.c (push_secondary_reload, combine_reloads): Likewise.
6481 (find_reloads, find_reloads_address_1): Likewise.
6482 (debug_reload_to_stream): Likewise.
6483 * reload1.c (emit_reload_insns, gen_reload): Likewise.
6484 * stmt.c (expand_end_case): Likewise.
6485 * toplev.c (compile_file): Likewise.
6487 * c4x/c4x.c (c4x_process_after_reload): Likewise.
6488 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
6490 * print-rtl.c (insn_name_ptr): Remove declaration.
6491 (get_insn_name): Declare.
6492 (print_rtx): Use it.
6493 * genoutput.c (insn_name_ptr): Remove.
6494 (next_operand_number): New.
6495 (struct operand_data): New.
6496 (null_operand, odata, odata_end): New.
6497 (struct data): Use struct operand_data.
6498 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
6499 (get_insn_name): Renamed from name_for_index.
6500 (output_prologue): Define NO_MD_PROTOTYPES.
6501 (output_predicate_decls): Break out from output_epilogue.
6502 Iterate over the operands list.
6503 (output_operand_data): Break out from output_epilogue. Emit
6504 just the operands list.
6505 (output_insn_data): Break out from output_epilogue. Emit just
6507 (output_epilogue): Remove.
6508 (output_get_insn_name): New.
6509 (constraints, op_n_alternatives, predicates, address_p): Die.
6510 (modes, strict_low, seen): Die.
6511 (scan_operands): Take new param `d' instead of writing to
6512 seven global variables.
6513 (compare_operands): New.
6514 (place_operands): New.
6515 (validate_insn_alternatives): Update for struct data change.
6516 (gen_insn): Don't zero or copy 7 global arrays. Update for
6517 scan_operands; call place_operands.
6518 (gen_peephole, gen_expand, gen_split): Likewise.
6519 (main): Update for new output routines.
6521 * genattr.c (insn_name_ptr): Remove.
6522 (get_insn_name): New function.
6523 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
6524 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
6525 * genrecog.c: Likewise.
6527 * alpha.md (adddi3): Make `pattern' array static.
6529 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6531 * config/c4x/c4x.h (c4x_rpts_cycles_string,
6532 c4x_cpu_version_string): Constify char *.
6533 * config/c4x/c4x.c (c4x_rpts_cycles_string,
6534 c4x_cpu_version_string): Likewise.
6536 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
6538 * tree.c (save_tree_status): Revert 10 Sep change.
6539 (restore_tree_status): Likewise. Call obstack_free with NULL
6540 before freeing the obstack proper.
6542 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
6544 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
6546 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
6547 surrounding context.
6549 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
6551 * tree.c (type_hash_canon): Put all types in the hash-table, when
6554 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
6556 * recog.h (struct recog_data, recog_data): New.
6557 (recog_foo variables): Kill.
6558 * recog.c (recog_operand, recog_operand_loc): Kill.
6559 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
6560 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
6561 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
6562 (recog_data): Define.
6563 (extract_insn): Update all recog_foo references to use recog_data.
6564 (preprocess_constraints, constrain_operands): Likewise.
6565 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
6566 * genattrtab.c (main): Likewise.
6567 * genextract.c (main): Likewise.
6568 * genoutput.c: Likewise.
6569 * genrecog.c (write_subroutine, main): Likewise.
6570 * local-alloc.c (block_alloc): Likewise.
6571 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
6572 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
6573 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
6574 * reload.c (find_reloads, find_reloads_toplev): Likewise.
6575 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
6576 (reload_cse_simplify_operands): Likewise.
6578 * arc/arc.c (arc_final_prescan_insn): Likewise.
6579 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
6580 * h8300/h8300.c (notice_update_cc): Likewise.
6581 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
6582 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
6583 * mn10200/mn10200.c (notice_update_cc): Likewise.
6584 * mn10300/mn10300.c (notice_update_cc): Likewise.
6585 * romp/romp.c (update_cc): Likewise.
6586 * sparc/sparc.c (check_pic): Likewise.
6587 * v850/v850.c (notice_update_cc): Likewise.
6589 * genemit.c (main): Don't declare recog_operand.
6591 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
6593 * ggc.h (rtvec_def): Forward declare.
6594 (tree_node): Likewise.
6597 (ggc_set_mark_rtx): Add prototype.
6598 (ggc_set_mark_rtvec): Likewise.
6599 (ggc_set_mark_tree): Likewise.
6600 * ggc-simple.c (ggc_root): Don't define.
6601 (roots): Don't declare.
6602 (ggc_mark_rtx): Remove.
6603 (ggc_mark_rtvec): Likewise.
6604 (ggc_mark_tree): Likewise.
6605 (ggc_mark_varray): Likewise.
6606 (ggc_mark_tree_hash_table_entry): Likewise.
6607 (ggc_mark_tree_hash_table): Likewise.
6608 (ggc_set_mart_rtx): New function.
6609 (ggc_set_mark_rtvec): Likewise.
6610 (ggc_set_mark_tree): Likewise.
6611 (ggc_add_root): Remove.
6612 (ggc_add_rtx_root): Likewise.
6613 (ggc_remove_tree_root): Likewise.
6614 (ggc_add_string_root): Likewise.
6615 (ggc_add_tree_varray_root): Likewise.
6616 (ggc_add_tree_hash_table_root): Likewise.
6617 (ggc_del_root): Likewise.
6618 (ggc_mark_rtx_ptr): Likewise.
6619 (ggc_mark_tree_ptr): Likewise.
6620 (ggc_mark_string_ptr): Likewise.
6621 (ggc_mark_tree_varray_ptr): Likewise.
6622 (ggc_mark_tree_hash_table_ptr): Likewise.
6623 * ggc-common.c: New file.
6624 * Makefile.in (OBJS): Add ggc-common.o.
6625 (ggc-common.o): List dependencies.
6627 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
6629 * cppalloc.c (xstrdup): Use memcpy.
6630 * cpperror.c (cpp_print_containing_files): Don't use
6632 * cpplib.c (conditional_skip): Set temp->lineno.
6633 (do_endif): Make error message less obscure.
6634 (if_directive_name): New function.
6635 (cpp_get_token [case EOF]): Unwind the if stack and generate
6636 error messages for each unterminated conditional in this file.
6637 (parse_string): Do not behave differently if -traditional.
6639 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
6641 * builtins.c (expand_builtin_va_arg): Cope with an array-type
6642 va_list decomposing to pointer-type.
6643 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
6644 (rs6000_va_arg): Likewise.
6646 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
6648 * except.c (start_dynamic_handler): Compute size using
6649 STACK_SAVEAREA_MODE.
6651 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6653 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
6654 include directory headers. Don't define strrchr. Don't provide
6655 my_* replacement functions. Prefer PTR over `pointer_type'.
6656 Don't prototype system functions. Don't redefine getopt.
6658 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
6659 safe_read, safe_write, save_pointers, restore_pointers,
6660 is_id_char, in_system_include_dir, directory_specified_p,
6661 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
6662 find_corresponding_lparen, referenced_file_is_newer,
6663 save_def_or_dec, munge_compile_params, gen_aux_info_file,
6664 process_aux_info_file, identify_lineno, check_source,
6665 seek_to_line, forward_to_next_token_char, output_bytes,
6666 output_string, output_up_to, other_variable_style_function,
6667 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
6668 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
6669 find_static_definition, connect_defs_and_decs, add_local_decl,
6670 add_global_decls, needs_to_be_converted, visit_each_hash_node,
6671 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
6672 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
6673 scan_for_missed_items, edit_file, string_list_cons): Add static
6675 (standard_exec_prefix, target_machine, target_version,
6676 default_syscalls_dir, string_list, string_list_cons, find_file,
6677 do_cleaning): Constify a char*.
6678 (safe_read, safe_write): Use PTR, not a char*.
6679 (is_id_char): Take an int, not a char.
6680 (main): Add prototype. Call return, not exit.
6682 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
6684 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
6685 when comparing types.
6687 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
6689 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
6690 (strength_reduce): Release the varrays from the no-bivs early exit.
6692 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
6693 the loop over the registers.
6695 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
6697 (restore_tree_status): Check that instead when freeing the obstack.
6699 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
6701 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
6704 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6706 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
6707 operand size modifiers.
6709 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6711 * c-common.c (c_common_nodes_and_builtins): Don't build
6713 * c-common.h (enum c_tree_index and related accesor macros): Remove
6714 everything now declared in tree.h.
6715 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6716 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
6717 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
6718 (error_mark_node, void_type_node, char_type_node, integer_type_node,
6719 unsigned_type_node, ptr_type_node, va_list_type_node,
6720 integer_zero_node, null_pointer_node, integer_one_node): Delete.
6721 (init_decl_processing): Call build_common_tree_nodes and
6722 build_common_tree_nodes_2 instead of building their nodes here.
6723 Don't add roots for these nodes.
6724 * stor-layout.c (size_zero_node, size_one_node): Delete.
6725 (set_sizetype): Make a new node for bitsizetype each time.
6726 * tree.c (global_trees): New variable.
6727 (init_obstacks): Add a gc root for it.
6728 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6729 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
6730 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
6731 (build_common_tree_nodes): New function.
6732 (fix_sizetype): New function.
6733 (build_common_tree_nodes_2): New function.
6734 * tree.h (enum tree_index): New.
6735 (global_trees): Declare.
6736 Add accessor macros for all nodes now moved to global_trees.
6737 Delete their declarations.
6739 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
6741 * c-decl.c (finish_function): When processing a nested function,
6742 push and pop GC context around rest_of_compilation.
6744 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
6746 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
6747 Default ix86_arch to PROCESSOR_I386.
6748 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
6749 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
6750 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
6751 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
6752 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
6753 (EXTRA_SPECS): Remove deleted specs.
6755 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
6757 * function.c (assign_stack_local_1): Allocate from
6758 function->x_frame_offset, not frame_offset.
6760 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
6762 * ggc.h (lang_cleanup_tree): Remove.
6763 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
6764 * ggc-callbacks.c (lang_cleanup_tree): Remove.
6766 * c-decl.c (finish_struct): Use ggc_alloc to allocate
6767 TYPE_LANG_SPECIFIC when garbage collecting.
6768 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
6769 (lang_cleanup_tree): Remove.
6771 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
6773 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
6774 * crtstuff.c: Not here.
6775 * dwarf2out.c: Or here.
6776 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
6779 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
6781 * function.h (free_after_compilation): Remove decl parameter.
6782 (free_varasm_status0: Likewise.
6783 (free_emit_status): Likewise.
6784 (free_stmt_status): Likewise.
6785 (free_after_compilation): Likewise.
6786 (init_lang_status): New variable.
6787 (free_lang_status): Likewise.
6788 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
6789 * function.c (init_lang_status): New variable.
6790 (free_lang_status): Likewise.
6791 (push_function_context_to): Don't set function::decl here.
6792 (free_after_copmilation): Make decl parameter implicit. Call
6793 free_lang_status if defined.
6794 (prepare_function_start): Call init_lang_status if defined.
6795 (init_function_start): Set function::decl here.
6796 * profile.c (output_func_start_profiler): Don't call pushdecl
6797 until we've actually started the function.
6798 * stmt.c (free_stmt_status): Make decl parameter implicit.
6799 * toplev.c (rest_of_compilation): Don't pass decl to
6800 free_after_compilation.
6801 * varasm.c (free_varasm_status): Likewise.
6803 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6805 * except.c (call_get_eh_context): Add root when allocating static
6808 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
6810 * arm.c: Include "ggc.h".
6811 (arm_add_gc_roots): New function.
6812 (arm_override_options): Call it.
6813 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
6815 * arm.md (define_asm_attributes): Add a pool_range attribute.
6817 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
6819 * extend.texi (Volatiles): New node.
6821 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
6823 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
6824 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
6825 (struct ggc_any): Replace `mark' with `magic_mark'.
6826 (ggc_alloc_string): Use memcpy, not bcopy.
6827 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
6828 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
6829 (ggc_free_any): New.
6830 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
6831 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
6832 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
6833 Use IS_MARKED. Use ggc_free_any.
6835 1999-09-09 Scott Bambrough <scottb@netwinder.org>
6837 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
6839 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
6841 * toplev.c (main): Always init_ggc.
6843 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
6845 * except.c (find_all_handler_type_matches): Free the list if
6846 we found no matches.
6848 * combine.c (SUBST): Break out to a real function do_SUBST.
6849 (SUBST_INT): Likewise.
6850 * gcse.c (free_pre_mem): Free `temp_bitmap'.
6851 (pre_insert): Free `inserted'.
6852 * loop.c (basic_induction_var): Always set `location'.
6854 * function.c (expand_function_end): Add initial_trampoline as a root.
6855 * rtl.h (init_varasm_once): Declare.
6856 * toplev.c (compile_file): Call it.
6857 * ggc-simple.c (ggc_mark_string_ptr): New.
6858 (ggc_add_string_root): New.
6859 (ggc_collect): Disable collection avoidance temporarily.
6860 * ggc.h (ggc_add_string_root): Declare.
6861 * except.c (create_rethrow_ref): Use ggc_alloc_string.
6862 * optabs.c (init_libfuncs): Likewise.
6863 * varasm.c (named_section): Use ggc_alloc_string.
6864 (make_function_rtl): Likewise.
6865 (make_decl_rtl): Likewise.
6866 (assemble_static_space): Likewise.
6867 (assemble_trampoline_template): Likewise.
6868 (output_constant_def): Likewise.
6869 (force_const_mem): Likewise.
6870 (mark_const_hash_entry): New.
6871 (mark_pool_sym_hash_table): New.
6872 (mark_varasm_state): Use it.
6873 (init_varasm_once): New.
6875 * expr.h (init_one_libfunc): Declare.
6876 * optabs.c (init_one_libfunc): New.
6877 (init_optabs): Use it.
6878 * config/gofast.h: Likewise.
6879 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
6880 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
6882 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
6884 * Makefile.in (cppexp.o): Depend on cpphash.h.
6885 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
6887 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
6888 * cpplib.c (do_define): Generalise to handle poisoned definitions,
6889 redefining poisoned identifiers, etc.
6890 (do_undef): Don't allow poisoned identifiers to be undefined.
6891 (do_pragma): Add #pragma poison.
6892 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6894 * cccp.c: Add T_POISON node type.
6895 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
6897 (do_define): Generalise to handle poisoned definitions,
6898 redefining poisoned identifiers, etc.
6899 (do_undef): Don't allow poisoned identifiers to be undefined.
6900 (do_pragma): Add #pragma poison.
6901 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6903 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
6904 * c-pragma.h: Add ps_poison state. We now always have generic
6907 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
6909 * ggc.h (ggc_alloc): New function.
6910 (ggc_mark): Likewise.
6911 * ggc-simple.c (ggc_any): New structure.
6912 (ggc_status): Add anys.
6913 (n_anys_collected): New variable.
6914 (ggc_alloc): Define.
6915 (ggc_mark): Likewise.
6916 (ggc_collect): Collect the anys.
6918 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6920 * c-decl.c (mark_binding_level): Make static to match prototype.
6922 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
6924 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
6926 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
6928 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
6929 will use into account. Expand the max width to 5.
6932 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
6934 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
6937 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
6939 * alpha.md (call value patterns): Remove the result predicates.
6941 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
6943 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
6946 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6948 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
6949 changed from extern char *, to extern PTR. Also fix typo in
6950 NEED_DECLARATION_REALLOC test.
6952 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
6954 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6956 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
6957 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
6958 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
6959 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
6961 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
6963 * cccp.c (pcfinclude): Likewise.
6965 * global.c (allocno_compare): Likewise.
6967 * haifa-sched.c (rank_for_schedule): Likewise.
6969 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
6971 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
6973 * stupid.c (stupid_reg_compare): Likewise.
6975 * tree.c (_obstack_allocated_p): Likewise.
6977 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
6979 1999-09-08 Bruce Korb autogen@linuxbox.com
6981 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
6982 why "gperf -F" fails.
6983 * gcc/cp/Makefile.in: ditto
6984 * gcc/Makefile.in: ditto
6985 * gcc/java/Makefile.in: ditto
6987 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
6989 * lists.c: Include ggc.h.
6991 (init_EXPR_INSN_LIST_cache): Install it.
6993 * ggc-simple.c (init_ggc): Absorb the old init.
6994 (ggc_push_context): Use xcalloc.
6995 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
6996 (ggc_collect): Add [rvts] tags to the collection stats.
6998 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
7000 * cccp.c (main): Fix handling of -include and -imacros options.
7002 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
7004 * cpplib.c (cpp_push_buffer): Fix order of arguments.
7006 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
7008 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
7011 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
7013 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
7014 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
7015 and SET_DEST. Update comment.
7017 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7019 * config/c4x/c4x.c: Include ggc.h.
7020 (c4x_add_gc_roots): New function.
7021 (c4x_override_options): Call c4x_add_gc_roots.
7023 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
7025 * defaults.h (TARGET_ESC): Move ...
7026 * system.h: ... here, where Linas had it in the first place. Silly me.
7028 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
7030 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
7031 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
7032 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
7033 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
7034 * defaults.h (TARGET_ESC): Add default.
7036 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
7038 * configure.in: add i370-*-openedition, i370-*-mvs and
7039 i370-*-linux targets
7041 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
7043 * dsp16xxx.c: Include ggc.h
7044 (override_options): Mark GC roots.
7045 * mn10200.c: Include ggc.h.
7046 (asm_file_start): Mark GC roots.
7047 * tahoe.c: Include ggc.h.
7048 (extensible_operand): Mark GC roots.
7050 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
7052 * README: Add section discussing status of ELF ABI.
7053 * i370.c: Fix misc spelling mistakes.
7054 (i370_label_scan): Updated notes, exception handling.
7055 (i370_function_prolog): Simplify ELF stack handling.
7056 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
7057 (STACK_GROWS_DOWNWARD): ELF stack grows down.
7058 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
7059 * i370.md: (movdi): Add notes.
7060 (floatsidf2): Use stack not rtca for scratch float area.
7061 (iorsi3): Correct operand constraints.
7062 * x-oe: Restore TAROUTOPTS which are used by pax.
7064 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
7066 * rs6000.c: Include ggc.h.
7067 (rs6000_add_gc_roots): New function.
7068 (override_options): Call it.
7070 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
7072 * alpha.h (alpha_compare): New.
7073 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
7074 * alpha.c: Likewise for the definitions.
7075 (alpha_emit_conditional_branch): Update for alpha_compare.
7076 (alpha_emit_conditional_move): Likewise.
7077 * alpha.md (cmpdf, cmpdi): Likewise.
7078 (setcc patterns): Likewise. Zero alpha_compare after use.
7079 (sne): Optimize (x != 0) into (0U < x).
7081 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
7083 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
7084 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
7085 (INIT_EXPANDERS): Remove.
7086 * alpha.c: Include ggc.h.
7087 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
7088 (alpha_init_machine_status, alpha_mark_machine_status): New.
7089 (override_options): Install them.
7090 (struct machine_function): Moved to alpha.h.
7091 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
7092 (alpha_init_expanders): Remove.
7093 (alpha_return_addr): Adjust to use current_function->machine.
7094 (alpha_ra_ever_killed): Likewise.
7095 (alpha_expand_epilogue): Likewise.
7096 * alpha.md (eh_epilogue): Likewise.
7098 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
7099 Melissa O'Neill <oneill@cs.sfu.ca>
7100 Geoffrey Keating <geoffk@cygnus.com>
7102 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
7103 call-used registers (call-saved registers must still be contiguous
7104 and end with r31, of course).
7106 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
7108 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
7109 (self_promoting_type_p): Delete.
7110 (self_promoting_args_p): Move ...
7111 * c-common.c: ... here.
7112 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
7113 (simple_type_promotes_to): New.
7114 * builtins.c (lang_type_promotes_to): New.
7115 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
7116 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
7117 * c-common.h: ... here.
7118 (self_promoting_args_p, simple_type_promotes_to): Declare.
7119 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
7120 (grokdeclarator): Likewise.
7121 * tree.h (lang_type_promotes_to): Declare.
7123 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
7125 Add some machine-dependent GC roots.
7126 * sparc.c: Include ggc.h.
7127 (sparc_add_gc_roots): New function.
7128 (mark_ultrasparc_pipeline_state): Likewise.
7129 (override_options): Call sparc_add_gc_roots.
7130 * pa.c: Include ggc.h.
7131 (pa_add_gc_roots): New function.
7132 (mark_deferred_plabels): Likewise.
7133 (override_options): Call pa_add_gc_roots.
7134 * mips.c: Include ggc.h.
7135 (mips_add_gc_roots): New function.
7136 (override_options): Use it.
7138 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7140 * cpperror.c (cpp_file_line_for_message): Constify a char*.
7142 * cppexp.c (parse_number, parse_charconst, cpp_lex,
7143 cpp_parse_expr): Add static prototypes.
7144 (parse_charconst): Don't cast away const-ness.
7145 (token): Constify a char*.
7147 * cppfiles.c (file_name_list, include_hash, find_include_file,
7148 finclude, initialize_input_buffer): Constify a char*.
7149 (file_cleanup, find_position): Add static prototypes.
7151 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
7152 collect_expansion): Add static prototypes.
7153 (cpp_install, create_definition, monthnames): Constify a char*.
7155 * cpphash.h (cpp_install): Likewise.
7157 * cppinit.c (known_suffixes, default_include,
7158 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
7159 (base_name, dump_special_to_buffer, initialize_dependency_output):
7160 Add static prototypes.
7162 * cpplib.c (my_strerror): Constify a char*.
7163 (null_underflow, null_cleanup, skip_comment, copy_comment,
7164 copy_rest_of_line, handle_directive, pass_thru_directive,
7165 get_directive_token, read_line_number, cpp_print_file_and_line,
7166 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
7167 v_cpp_warning_with_line, detect_if_not_defined,
7168 consider_directive_while_skipping): Add static prototypes.
7169 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
7170 cpp_pedwarn_with_file_and_line): Constify a char*.
7172 * cpplib.h (cpp_options, include_hash, progname, definition,
7173 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
7174 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
7175 find_include_file, deps_output, include_hash): Constify a char*.
7177 * cppmain.c (progname): Constify.
7178 (main): Add prototype. Use return, not exit.
7180 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
7181 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
7182 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
7183 check_protection): Add static prototype.
7185 (progname, recognized_macrom, recognized_extern): Constify a char*.
7186 (main): Add prototype.
7188 * gen-protos.c (progname): Constify a char*.
7190 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
7192 * emit-rtl.c (free_emit_status): Take decl as a parameter.
7193 (init_emit_once): Add more GC roots.
7194 * except.c (mark_func_eh_entry): New function.
7195 (mark_eh_node): Mark false_label and rethrow_label.
7196 (init_eh): Add more GC roots.
7197 * function.c (free_after_compilation): Take decl as a paramter.
7198 Call free_stmt_status.
7199 (mark_function_state): Don't assume x_parm_reg_stack_loc is
7201 * function.h (free_after_compilation): Change prototype.
7202 (free_varasm_status): Likewise.
7203 (free_emit_status): Likewise.
7204 (free_stmt_status): New function.
7205 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
7206 Remove, replacing with ...
7207 (ggc_status): New structure.
7208 (ggc_chain): New variable.
7210 (ggc_push_context): New function.
7211 (ggc_pop_context): Likewise.
7212 (ggc_alloc_rtx): Adjust for use of ggc_chain.
7213 (ggc_alloc_rtvec): Likewise.
7214 (ggc_alloc_tree): Likewise.
7215 (ggc_alloc_string): Likewise.
7216 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
7217 (ggc_mark_tree): Give language-dependent code a chance to mark
7219 (ggc_mark_tree_varray): Handle empty arrays.
7220 (ggc_collect): Adjust for use of ggc_chain. Clear
7221 bytes_alloced_since_last_gc.
7222 * ggc.h (ggc_pop_context): New function.
7223 (ggc_push_context): Likewise.
7224 * print-tree.c (print_node): Don't print obstacks when GC'ing.
7225 * stmt.c (free_stmt_status): New function.
7226 (init_stmt_for_function): Clear last_expr_value.
7227 * toplev.c (rest_of_compilation): Always call free_after_compilation.
7228 Conditionalize call to ggc_collect.
7229 (main): Call init_ggc.
7230 * tree.c (push_obstacks): Do the push, even when GC'ing.
7231 (push_obstacks_nochange): Likewise.
7232 (pop_obstacks): Liekwise.
7233 * varasm.c (free_varasm_status): Take decl as a parameter.
7235 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
7237 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
7238 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
7239 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
7240 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
7242 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
7244 * pa/x-pa-mpeix: New file for the MPE port.
7246 * pa/quadlib.asm: New file for long double support.
7248 * configure.in: Add hppa1.0-*-mpeix for MPE port.
7249 * configure: Rebuilt.
7251 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
7253 * final.c (shorten_branches): Fix last change.
7255 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
7257 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
7259 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
7261 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
7264 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7266 * c-aux-info.c (concat): Don't define.
7268 * cccp.c (my_strerror): Likewise. All callers changed to use
7270 (do_include): Call xstrdup, not xmalloc/strcpy.
7271 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
7272 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
7274 * collect2.c (my_strsignal): Likewise. All callers changed to use
7276 (locatelib): Call xstrdup, not xmalloc/strcpy.
7278 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
7280 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
7282 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
7284 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
7286 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
7288 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
7290 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
7292 (find_all_handler_type_matches): Likewise. Don't check return
7294 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
7295 xmalloc, not malloc.
7296 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
7298 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
7299 (init_spec): Call xcalloc, not xmalloc/bzero.
7300 (set_spec): Call xstrdup, not save_string.
7301 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
7302 (find_a_file): Call xstrdup, not xmalloc/strcpy.
7303 (process_command): Call xstrdup, not save_string.
7304 (main): Call xcalloc, not xmalloc/bzero.
7306 * gcov.c (xmalloc): Don't define.
7307 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
7308 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
7309 (output_data): Call xcalloc, not xmalloc/bzero.
7311 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
7313 * mips-tdump.c (xmalloc): Don't define.
7314 (print_symbol): Call xmalloc, not malloc.
7315 (read_tfile): Call xcalloc, not calloc.
7317 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
7318 Don't define. All callers of xfree/my_strsignal changed to use
7319 free/strsignal instead.
7320 (allocate_cluster): Call xcalloc, not calloc.
7322 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
7323 Fix memory leak, free allocated memory.
7325 * prefix.c (translate_name): Call xstrdup, not save_string.
7326 (update_path): Likewise.
7328 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
7330 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
7331 Don't define. Callers of xfree/savestring2 changed to use
7332 free/concat instead.
7334 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
7335 (init_elim_table): Likewise.
7337 * resource.c (init_resource_info): Likewise.
7339 * stupid.c (stupid_life_analysis): Likewise.
7341 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
7342 (open_dump_file): Call concat, not xmalloc/strcpy/...
7343 (clean_dump_file): Likewise.
7344 (compile_file): Call xstrdup, not xmalloc/strcpy.
7346 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
7348 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
7349 * v850.c (v850_va_arg): New.
7351 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7353 * haifa-sched.c: Tidy comments.
7355 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7357 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
7358 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
7359 $(out_object_file)): Depend on ggc.h.
7360 * c-common.c: Include "ggc.h".
7361 (combine_strings): If doing GC, use ggc_alloc_string.
7362 * c-decl.c: Include "ggc.h".
7363 (ggc_p): Define with value 0.
7364 (mark_binding_level): New function.
7365 (init_decl_processing): Add GC roots.
7366 (mark_c_function_context): New function.
7367 (lang_mark_false_label_stack): New function.
7368 (lang_mark_tree): New function.
7369 (lang_cleanup_tree): New function.
7370 * c-lang.c: Include "ggc.h".
7371 (lang_init): Call c_parse_init.
7372 * c-lex.c: Include "ggc.h".
7373 (check_linenum): If doing GC, don't copy filenames to permanent
7375 * c-parse.in: Include "ggc.h".
7376 (c_parse_init): New function.
7377 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
7378 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
7380 * except.c (mark_eh_state): Mark more state.
7381 * function.c (mark_function_state): Likewise.
7382 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
7383 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
7384 * toplev.c (mark_file_stack): New function.
7385 (compile_file): If doing GC, use ggc_alloc_string on input filename.
7386 (main): Add root for input_file_stack.
7388 * i386.c: Include "ggc.h".
7389 (ix86_mark_machine_status): New function.
7390 (override_options): Set mark_machine_status.
7392 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7394 * tree.c (copy_node): Copy node contents also if doing GC.
7396 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
7398 * collect2.c (scan_libraries): Fix double-thinko :-).
7400 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
7402 * collect2.c (scan_libraries): Fix thinko.
7404 * cse.c (delete_trivially_dead_insns): Do not skip the last
7405 insn if it is a real insn.
7407 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
7409 * Makefile.in (ggc-simple.o): Depend on hash.h.
7410 * ggc.h (ggc_add_tree_hash_table_root): Declare.
7411 (ggc_mark_tree_varray): Likewise.
7412 (ggc_mark_tree_hash_table): Likewise.
7413 * ggc-simple.c: Include hash.h.
7414 (ggc_mark_tree_hash_table_ptr): New function.
7415 (ggc_mark_tree_hash_table_entry): Likewise.
7416 (ggc_mark_tree_hash_table): Likewise.
7417 (ggc_add_tree_hash_table_root): Likewise.
7418 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
7419 rtx, when defining fields.
7421 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7423 * profile.c (output_func_start_profiler): Remove apparently
7424 nonsensical call to start_sequence.
7426 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
7428 * clipper/clipper.c (clipper_va_start): Fix typos.
7430 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
7431 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
7432 (spur_va_arg): New stub.
7434 * configure.in: Comment out pyramid.
7436 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
7438 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
7439 don't conflict with the bits that win32, cygwin, and dgux
7442 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
7443 Bernd Schmidt <bernds@cygnus.co.uk>
7445 * integrate.c (function_cannot_inline_p): Do not inline
7446 functions with forced labels.
7448 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
7449 Bernd Schmidt <bernds@cygnus.co.uk>
7450 Mark Mitchell <mark@codesourcery.com>
7452 * Makefile.in (ggc-simple.o): Depend on varray.h.
7453 (rtl.o): Depend on ggc.h.
7454 (genattrtab.o): Depend on ggc.h.
7455 (print-tree.o): Likewise.
7456 (fold-const.o): Likewise.
7457 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
7458 (make_insn_raw): Don't cache insns when GC'ing.
7459 (emit_insn_before): Likewise.
7460 (emit_insn_after): Likewise.
7461 (emit_insn): Likewise.
7462 (start_sequence): Use xmalloc to allocate the sequence_stack.
7463 (end_sequence): Add free to free it.
7464 (gen_sequence): Don't cache insns when GC'ing.
7465 (clear_emit_caches): Don't use sequence_element_free_list.
7466 (init_emit): Use xcalloc, not xmalloc+bzero.
7467 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
7468 * function.c (pop_function_context_from): Use free to free the
7469 fixup_var_refs_queue.
7470 (put_reg_into_stack): Allocate it with xmalloc.
7471 * genattrtab.c: Include ggc.h.
7472 (operate_exp): Don't use obstack_free when GC'ing.
7473 (simplify_cond): Likewise.
7474 (simplify_text_exp): Likewise.
7475 (optimize_attrs): Likewise.
7476 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
7478 (gencode): Generate a #include for ggc.h.
7479 * ggc-callbacks.c (ggc_p): Define it to zero.
7480 * ggc-none.c (ggc_p): Likewise.
7481 * ggc-simple.c: Include varray.h.
7482 (ggc_mark_tree_varray): New function.
7483 (ggc_add_tree_varray_root): Likewise.
7484 (ggc_mark_tree_varray_ptr): Likewise.
7485 * ggc.h (ggc_p): Declare.
7486 (varray_head_tag): Likewise.
7487 (ggc_add_tree_varray_root): Declare.
7488 * print-tree.c (print_node): Don't check for TREE_PERMANENT
7489 inconsistencies when GC'ing.
7490 * rtl.c: Include ggc.h.
7491 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
7492 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
7493 (rtx_free): Don't call obstack_free when GC'ing.
7494 * toplev.c (rest_of_compilation): Call ggc_collect after every
7496 * tree.c (push_obstacks): Do nothing, if GC'ing.
7497 (pop_obstacks_nochange): Likewise.
7498 (pop_obstacks): Likewise.
7499 (make_node): Use ggc_alloc_tree when GC'ing.
7500 (copy_node): Likewise.
7501 (get_identifier): Use ggc_alloc_string when GC'ing.
7502 (build_string): Likewise.
7503 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
7504 (tree_cons): Likewise.
7506 (type_hash_canon): Don't call obstack_free when GC'ing.
7508 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
7510 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
7511 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
7513 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
7514 Bernd Schmidt <bernds@cygnus.co.uk>
7515 Mark Mitchell <mark@codesourcery.com>
7517 * Makefile.in (stor-layout.o): Depend on ggc.h.
7518 (expr.o): Depend on ggc.h.
7519 (profile.o): Depend on ggc.h.
7520 (stor-layout.o): Depend on ggc.h.
7521 * emit-rtl.c (init_emit_once): Add gc roots.
7522 * expr.c: Include ggc.h.
7523 (emit_block_move): Add gc roots.
7524 (clear_storage): Likewise.
7525 * expr.h (init_stor_layout_once): New function.
7526 * profile.c: Include ggc.h.
7527 (init_arc_profiler): profiler_label is a root.
7528 * scan.c (make_sstring_space): Trust xrealloc to function
7529 correctly with first parameter NULL.
7530 * stor-layout.c: Include ggc.h.
7531 (set_sizetype): Add gc root.
7532 (init_stor_layout_once): New function.
7533 * toplev.c (compile_file): Call it.
7535 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
7536 Bernd Schmidt <bernds@cygnus.co.uk>
7537 Mark Mitchell <mark@codesourcery.com>
7539 * Makefile.in (tree.o): Depend on ggc.h.
7540 (varasm.o): Likewise.
7541 (function.o): Likewise.
7543 (except.o): Likewise.
7544 (optabs.o): Likewise.
7545 (emit-rtl.o): Likewise.
7546 * emit-rtl.c: Include ggc.h.
7547 (sequence_element_free_list): Remove, and all references.
7548 (mark_sequence): New functions.
7549 (mark_emit_state): New function.
7550 * except.c: Include ggc.h.
7551 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
7552 (mark_tree_label_node): New functions.
7553 (mark_eh_state): New function.
7554 * function.c: Include ggc.h.
7555 (mark_temp_slot, mark_function_chain): New functions.
7556 (mark_function_state): New function.
7557 (init_function_once): New function.
7558 * function.h (init_function_once): New function.
7559 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
7560 * ggc.h (label_node): Declare.
7561 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
7562 (lang_mark_false_label_stack): New function.
7563 (mark_temp_slot): Remove declaration.
7564 (mark_function_chain): Likewise.
7565 (mark_eh_state): Adjust prototype.
7566 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
7568 * optabs.c: Include ggc.h.
7569 (mark_optab): New function.
7570 (init_optabs): Add gc roots.
7571 * stmt.c: Include ggc.h.
7572 (mark_cond_nesting, mark_loop_nesting): New functions.
7573 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
7574 (mark_stmt_state): New function.
7575 * toplev.c (compile_file): Call init_function_once.
7576 * tree.c: Include ggc.h.
7577 (type_hash): Move declaration earlier in file.
7578 (TYPE_HASH_SIZE, type_hash_table): Likewise.
7579 (init_obstacks): Add gc roots.
7580 (mark_type_hash): New function.
7581 * varasm.c: Include ggc.h.
7582 (mark_pool_constant): New function.
7583 (mark_varasm_state): New function.
7585 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7587 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
7589 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7591 * c-decl.c (struct language_function): Renamed from struct c_function.
7593 (c_function_chain): Delete.
7594 (push_c_function_context): New arg F. Don't warn about nested
7595 functions here. Fill LANGUAGE elt of F. Delete code to update
7596 c_function_chain. Don't call push_function_context.
7597 (pop_c_function_context): New arg F. Restore from there instead of
7598 from c_function_chain. Don't call pop_function_context. Clear out
7599 LANGUAGE field of F when done.
7600 * c-lang.c: Include "function.h"
7601 (lang_init): Initialize save_lang_status and restore_lang_status.
7602 * c-parse.in (nested_function, nested_function_notype): Warn about
7603 nested functions. Call push_function_context/pop_function_context
7604 instead of the _c_ variants.
7605 * c-tree.h (push_c_function_context, pop_c_function_context): Update
7607 * Makefile.in (c-lang.o): Update dependencies.
7609 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
7610 regno_pointer_flag, regno_pointer_align.
7611 (gen_reg_rtx): Use xrealloc to enlarge them.
7612 (free_emit_status): New function.
7613 * function.c (mark_machine_status, mark_lang_status): New variables.
7614 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
7615 in some bits from assign_stack_local. All callers changed to use new
7617 (assign_stack_local): Just call assign_stack_local_1.
7618 (free_after_compilation): New function.
7619 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
7620 (trampoline_address): Likewise.
7621 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
7622 (prepare_function_start): Explicitly clear some more variables.
7623 * function.h (struct function): New elt can_garbage_collect.
7624 (mark_machine_status, mark_lang_status): Declare variables.
7625 (free_after_compilation, free_emit_status, free_varasm_status,
7626 init_varasm_status): Declare functions.
7627 * toplev.c (rest_of_compilation): Call free_after_compilation when
7628 done with the current function.
7629 * varasm.c (free_varasm_status): New function.
7631 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
7633 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
7634 (EXPAND_BUILTIN_VA_ARG): Define.
7635 * sparc.c (sparc_va_start): New.
7636 (sparc_va_arg): New.
7638 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7640 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
7642 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7644 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
7646 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
7648 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
7650 (ggc-callbacks.o): New target.
7651 * ggc-callbacks.c: New file.
7653 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7655 * expr.h: Collapse individual optab and libfunc vars to arrays.
7656 (optab_index, libfunc_index): New enumerations.
7657 (optab_table, libfunc_table): New arrays.
7658 Add accessor macros for both.
7660 * optabs.c (optab_table, libfunc_table): New.
7661 Delete declarations for individual optab and libfunc vars.
7663 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
7665 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
7667 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
7669 * Makefile.in (GGC, GGC_LIB): New.
7670 (HOST_RTL): Include ggc-none.o.
7671 (ggc-simple.o): New target.
7672 (ggc-none.o): Likewise.
7673 * tree.h (tree_common): Add gc_mark.
7674 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
7675 (struct rtvec_def): Add gc_mark.
7676 * emit-rtl.c (global_rtl): Update static initializers to contain
7677 enough initializers.
7678 * ggc.h, ggc-none.c, ggc-simple.c: New files.
7679 * toplev.c (gc_time): New variable.
7680 (all_time): New variable.
7681 (compile_file): Print gc time.
7682 (print_time): Calculate percentage of the whole.
7684 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7686 Change obstack memory management and varasm constant pool handling so
7687 that nested functions are treated like any other functions.
7688 * function.c (init_machine_status): New variable.
7689 (push_function_context_to): Set contains_functions for the outer
7690 function. Don't call save_varasm_status.
7691 (pop_function_context_from): Don't call restore_varasm_status. Don't
7692 set current_function_contains_functions.
7693 (prepare_function_start): Call init_varasm_status rather than
7694 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
7696 * function.h (struct function) Add field varasm. Delete fields
7697 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
7698 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
7699 (init_machine_status): Declare.
7700 (save_varasm_status, restore_varasm_status): Delete declarations.
7701 (save_tree_status, restore_tree_status): Delete last argument.
7702 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
7703 code. All callers changed.
7704 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
7705 save_constants_in_decl_trees, restore_constants, save_constants,
7706 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
7708 (inlining): New variable.
7709 (reg_map, label_map, insn_map, orig_asm_operands_vector,
7710 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
7712 (save_for_inline_nocopy): Don't save constants.
7713 Don't set inl_emit field in current_function.
7714 (expand_inline_function): Use emit field, not inl_emit, of the inlined
7715 function. Set new variable inlining before
7716 calling copy_rtx_and_substitute.
7717 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
7718 constant pool references if inlining is nonzero.
7719 Delete ADDRESS and (most of the) CONST cases.
7720 (output_inline_function): Save and restore current_function/
7721 current_function_decl. Delete restore_constants code. Don't call
7722 init_const_rtx_hash_table.
7723 * output.h (init_const_rtx_hash_table): Don't declare.
7724 * rtl.h (struct function): Declare.
7725 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
7726 * toplev.c (rest_of_compilation): Don't treat nested functions or
7727 functions containing them specially. Delete all code to deal with
7728 save_for_inline_copying.
7729 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
7730 inline_obstacks): Delete variables.
7731 (save_tree_status): Lose arg CONTEXT. All callers changed.
7732 Simply allocate a new function_maybepermanent_obstack for the new
7733 function, delete all the special cases.
7734 Don't save inline_obstacks.
7735 (restore_tree_status): Lose arg CONTEXT. All callers changed.
7736 Delete special handling for function_maybepermanent_obstack; simply
7738 Don't restore inline_obstacks.
7739 (permanent_allocation): Delete code that frees inline_obstacks.
7740 (print_inline_obstack_statistics): Delete function.
7741 (dump_tree_statistics): Don't call it.
7742 * varasm.c (struct varasm_status): New.
7743 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
7744 last_pool, pool_offset, const_double_chain): Delete global
7745 variables, replace with accessor macros.
7746 (immed_double_const): Don't walk const_double_chain outside a
7747 function, but don't treat nested functions specially anymore.
7748 (immed_real_const_1): Likewise.
7749 (clear_const_double_mem): Don't treat nested functions specially.
7750 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
7751 (save_varasm_status, restore_varasm_status): Delete functions.
7752 (init_varasm_status): New function.
7753 (force_const_mem): Don't treat nested functions specially.
7754 (find_pool_constant): Accept new arg F, search for constants in
7755 that function's pool rather than the current one. All callers
7757 (get_pool_constant_for_function, get_pool_mode_for_function): New
7760 * i386.c (init_386_machine_status): New function, mostly from
7761 clear_386_stack_locals.
7762 (struct machine_functions): Rename element names to avoid name
7764 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
7765 macros, replacing global variables.
7766 (clear_386_stack_locals, save_386_machine_status,
7767 restore_386_machine_status): Delete functions.
7768 (override_options): Initialize init_machine_status.
7769 * i386.h (INIT_EXPANDERS): Delete macro.
7770 (save_386_machine_status, restore_386_machine_status,
7771 clear_386_stack_locals): Delete declarations.
7773 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7775 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
7776 (doloop_begin): Simplify pattern and use emit_jump_insn.
7777 (doloop_end): Simplify pattern, switch operand order,
7778 and use emit_jump_insn.
7780 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7782 * function.h (struct function): Add new element LANGUAGE.
7783 (save_lang_status): Declare new variable.
7784 (restore_lang_status): Likewise.
7785 * function.c (save_lang_status): Define.
7786 (restore_lang_status): Likewise.
7787 (push_function_context_to): Call language-specific save function.
7788 (pop_function_context_from): Call language-specific restore function.
7790 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
7792 * i386.md (movsf_1): Check REG_P before use of REGNO.
7793 (movdf_1): Likewise.
7794 (movxf_1): Likewise.
7795 (extendsfdf2): Likewise.
7796 (extendsfxf2): Likewise.
7797 (extenddfxf2): Likewise.
7799 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7801 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
7802 constants into memory.
7803 (c4x_shiftable_constant): New function.
7804 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
7805 (c4x_shiftable_constant): Declare.
7806 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
7807 ashlqi3_noclobber): Add new patterns and associated splitters.
7809 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
7811 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
7812 * dwarf2out.c (dwarf2out_frame_init): Likewise.
7813 * final.c (shorten_branches): Likewise.
7814 * global.c (global_alloc): Likewise.
7815 * haifa-sched.c (build_control_flow): Likewise.
7816 * stmt.c (check_for_full_enumeration_handling): Likewise.
7817 (estimate_case_costs): Likewise.
7819 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
7821 * rtl.h (RTL_CHECKC2): Fix typo in last change.
7823 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
7825 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
7826 (recompute_reg_usage): Likewise.
7827 * rtlanal.c (find_regno_fusage): Likewise.
7829 * rtl.c (rtl_check_failed_code1): New function.
7830 (rtl_check_failed_code2): New.
7831 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
7832 (RTL_CHECKC1, RTL_CHECKC2): New.
7833 (XC*): New accessor macros.
7834 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
7835 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
7836 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
7837 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
7838 (TRAP_*, RANGE_INFO_*): Likewise.
7840 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7842 * Makefile.in (tlink.o): Don't depend on toplev.h.
7844 * collect2.c (c_file, o_file, export_file, import_file, ldout,
7845 output_file, nm_file_name, ldd_file_name, strip_file_name,
7846 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
7847 add_prefix, prefix_from_env, prefix_from_string, do_wait,
7848 fork_execute, maybe_unlink, add_to_list,
7849 extract_init_priority, write_list, dump_list,
7850 dump_prefix_list, write_list_with_asm, write_c_file,
7851 write_c_file_stat, write_c_file_glob, scan_prog_file,
7852 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
7853 ignore_library, extract_string, notice, dump_file, target_machine,
7854 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
7855 read_file, print_load_command): Constify a char*.
7856 (fdopen, error, fatal, fatal_perror): Don't prototype.
7857 (my_strerror): Remove. All callers use xstrerror instead.
7858 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
7859 (main): Add prototype. Constify lots of char* ptrs. Change calls
7860 to xcalloc/strcpy/strcat/... to one call to concat.
7861 (main, scan_prog_file, scan_libraries): Use an intermediate
7862 `const char **' to build an argv array.
7863 (mapfile, libselect, libcompare, locatelib): Add prototypes.
7865 * collect2.h (collect_execute, collect_wait, dump_file,
7866 file_exists): Constify a char*.
7867 (ldout, c_file_name, temporary_obstack, permanent_obstack,
7868 temporary_firstobj, vflag, debug): Add extern declarations.
7869 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
7871 * tlink.c: Don't include toplev.h.
7872 (vflag, debug, ldout, c_file_name, temporary_obstack,
7873 permanent_obstack, temporary_firstobj): Don't declare.
7874 (tlink_execute, frob_extension, symbol_hash_lookup,
7875 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
7876 recompile_files, read_repo_files, demangle_new_symbols,
7877 scan_linker_output): Constify a char*.
7878 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
7879 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
7881 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
7883 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
7884 (relative) rather than jsr (absolute) subroutine call insns.
7885 * config/m68k/m68k-coff.h: Ditto.
7887 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
7889 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
7890 now rework these too.
7891 (arm_reorg): If an insn can't reach the end of the current pool,
7892 ensure that we emit that pool before the insn.
7894 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
7896 * tlink.c (scan_linker_output): Skip the initial underscore in
7897 a mangled name if appropriate.
7899 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7901 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
7902 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
7903 error_with_ivar, gen_declarator, create_builtin_decl,
7904 my_build_string, generate_descriptor_table, generate_ivars_list,
7905 generate_dispatch_table, check_protocols, TAG_GETCLASS,
7906 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
7907 dump_base_name, lang_decode_option, build_encode_expr,
7908 start_class, finish_class, encode_pointer, really_start_method,
7909 gen_declaration, dump_interface, handle_class_ref, handle_impent):
7911 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
7912 Add static prototypes.
7913 (build_objc_string_decl, build_selector_reference_decl,
7914 encode_bitfield, build_class_reference_decl): Remove unused
7915 parameter, all callers changed.
7916 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
7917 (objc_printable_name): Likewise. Change second parameter to type int.
7918 (init_objc): Use memcpy, not bcopy, to avoid casts.
7920 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
7922 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
7923 reg notes on a deleted insn.
7924 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
7926 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
7928 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
7930 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7932 * stmt.c (expand_asm_operands): Fix index into inout_mode when
7935 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
7937 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
7938 * tm.texi (MD_ASM_CLOBBERS): Document it.
7940 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
7942 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
7943 * except.c (expand_rethrow): Remove unused variable.
7944 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
7945 * flow.c (replace_insns): Likewise.
7946 (create_edge_list, verify_edge_list): Likewise.
7947 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
7949 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
7950 is special code to run.
7951 (main): Don't define operands to emit_operand.
7952 * genrecog.c (main): Don't emit an empty peephole2_insn function.
7954 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
7956 * alpha/alpha.h (normal_memory_operand): Declare.
7957 (reg_no_subreg_operand): Declare.
7958 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
7960 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
7962 * c-parse.in (compstmt_primary_start): New, broken out of first
7963 part of compstmt handling in primary.
7964 (primary): Use it. Add an error clause.
7965 (compstmt_nostart): Renamed from compstmt; remove all
7966 initial invocations of compstmt_start.
7969 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
7971 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
7974 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
7976 * combine.c (simplify_shift_const): Remove extra semicolon.
7977 * dwarf2out.c (remove_AT): Likewise.
7978 * expmed.c (expand_mult): Likewise.
7979 * gcov.c (create_program_flow_graph): Likewise.
7980 * reorg.c (mostly_true_jump): Likewise.
7982 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
7984 * fold-const.c (fold_range_test): Do not try to fold the range
7985 test if the rhs or lhs has side effects.
7987 * combine.c (simplify_rtx): Recognize another case of a synthesized
7990 * varasm.c (mark_constant_pool): When marking indirect references,
7991 only look at SYMBOL_REFs.
7993 * except.c (expand_fixup_region_end): Do not peek at
7994 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
7996 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
7998 * flags.h: New variables align_loops, align_loops_log,
7999 align_jumps, align_jumps_log, align_labels, align_labels_log,
8000 align_functions, align_functions_log.
8001 * toplev.c: Define them.
8002 (f_options): Handle -falign-* when they have no argument.
8003 (main): Add logic to set variables for -falign-functions,
8004 -falign-jumps, -falign-labels, -falign-loops.
8005 Make it -fsched-verbose=<n> and -finline-limit=<n>.
8006 (display_help): Change help to match options.
8007 * final.c (LABEL_ALIGN): Default to align_labels_log.
8008 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
8009 (LOOP_ALIGN): Default to align_loops_log.
8010 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
8011 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
8012 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
8013 * varasm.c (assemble_start_function): Handle align_functions.
8015 * config/sparc/sparc.h: Don't declare sparc_align_*.
8016 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
8017 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
8019 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
8021 * config/sparc/sparc.c: Delete sparc_align_loops,
8022 sparc_align_jumps, sparc_align_funcs and the corresponding string
8024 (sparc_override_options): Default align_functions on ultrasparc.
8025 Delete -malign-* handling.
8027 * config/mips/mips.c (override_options): On 64-bit targets,
8028 try to align code to 64-bit boundaries.
8029 (print_operand): New substitution, %~,
8030 which aligns labels to align_labels_log.
8031 * config/mips/mips.md (div_trap_normal): Use %~.
8032 (div_trap_mips16): Likewise.
8037 (ashldi3_internal): Likewise.
8038 (ashrdi3_internal): Likewise.
8039 (lshrdi3_internal): Likewise.
8040 (casesi_internal): Likewise.
8042 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
8044 Merge new ia32 backend from the branch!
8046 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
8047 See ChangeLog.P2 on new_ia32_branch for details.
8049 * rtl.h (stack_regs_mentioned_p): Delete prototype.
8050 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
8051 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
8052 * i386/gas.h (ASM_FILE_START): Define.
8053 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
8054 for name change of ix86_valid_decl_attribute_p.
8055 (i386_pe_valid_type_attribute_p): Similarly.
8057 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
8059 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
8060 to step through CC modes.
8062 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8064 * regmove.c (fixup_match_1): Don't move INSN in front of P if
8065 it would end up in the shadow of a live flags regsiter.
8067 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8069 * reload1.c: Fix many indentation problems.
8070 * reload.c: Likewise.
8072 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
8074 * alias.c (non_local_reference_p): Constify fmt.
8076 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
8078 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
8080 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
8082 * cse.c (delete_trivially_dead_insns): Do not delete stores to
8083 the internal_arg_pointer.
8085 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
8087 Merge peephole2 from new_ia32_branch:
8088 * Makefile.in (STAGESTUFF): Add *.peephole2.
8089 (mostlyclean): Likewise.
8090 (recog.o): Depend on resource.h.
8092 * final.c (peephole): Conditionalize decl on HAVE_peephole.
8093 (final_scan_insn): Likewise for the invocation of peephole.
8094 * genconfig.c (main): Look for peephole and peephole2 patterns.
8095 Emit HAVE_peephole* accordingly.
8096 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
8097 * flags.h (flag_peephole2): Declare.
8098 * toplev.c: New pass peephole2. New flag -fpeephole2.
8100 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
8101 * gencodes.c (main): Likewise.
8102 * genextract.c (main): Likewise.
8103 * genoutput.c (main): Likewise.
8104 * genemit.c (max_operand_1): Look for the max scratch operand.
8105 (gen_rtx_scratch): New.
8106 (gen_exp): Use it, and pass on new arg subroutine_type.
8107 (gen_expand): Take max scratch into account.
8108 (gen_split): Emit peephole2 functions.
8109 (output_peephole2_scratch): New.
8110 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
8111 * genrecog.c (routine_type): Add PEEPHOLE2.
8113 (make_insn_sequence): Match outer parallel for peep2. Discard
8114 top level scratches and dups.
8115 (add_to_sequence): New args insn_type and top. Update all callers.
8116 Handle toplevel peep2 matching insns.
8117 (write_subroutine): Handle peep2.
8118 (write_tree_1): Likewise.
8119 (write_tree): Likewise.
8121 (change_state): New arg afterward. Update all callers.
8122 Handle matching separate insns.
8123 * recog.c (recog_next_insn): New.
8124 (peephole2_optimize): New.
8125 * rtl.def (DEFINE_PEEPHOLE2): New.
8126 * resource.c (find_free_register): New argument last_insn. Use it
8127 to find a register available through the entire span.
8128 * resource.h (find_free_register): Update prototype.
8130 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
8132 * i386.c (output_strlen_unroll): Don't write xops[7]
8133 label if it wasn't set.
8135 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
8137 * cpplib.c (struct directive): Const-ify name pointer and
8138 function pointer prototype.
8139 (validate_else, do_define, do_line, do_include, do_undef,
8140 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
8141 do_elif, do_endif, do_sccs, do_assert, do_unassert,
8142 do_warning): Const-ify second arg.
8143 (directive_table): Mark const. Reorder entries by frequency
8144 of usage, record statistics.
8146 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
8148 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
8149 bounds- check RTL accesses if --enable-checking.
8150 (RTVEC_ELT): Bounds check if --enable-checking.
8151 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
8152 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
8153 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
8155 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
8156 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
8158 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
8159 (NOTE_SOURCE_FILE): Use X0STR.
8160 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
8161 MEM_ALIAS_SET): Use X0INT.
8162 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
8163 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
8165 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
8166 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
8167 (rtl_check_failed_bounds, rtl_check_failed_type1,
8168 rtl_check_failed_type2, rtvec_check_failed_bounds): New
8170 (fancy_abort): Fix comment.
8172 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
8173 (cse_insn): Decrement LABEL_NUSES for jump target before
8175 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
8176 * final.c (alter_subreg): Compute regno before changing x to
8177 REG; set REGNO(x) after changing it.
8178 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
8179 notes containing CONST_INTs.
8180 (delete_eh_regions): Use NOTE_EH_HANDLER.
8181 * function.c (put_reg_into_stack): Make reg a MEM before
8183 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
8185 (gen_mem_addressof): Make reg a MEM before initializing it.
8186 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
8188 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
8189 deleting an insn, not after.
8190 (block_alloc): Only look at PATTERN(insn) if we have to, and
8191 only if it's format class 'i'.
8192 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
8193 CONST_INT before using its INTVAL.
8194 * print-rtl.c (print_rtx): Use X0STR.
8195 * regmove.c (fixup_match_1): Don't look at PATTERN of
8196 non-class-'i' insn chain elements.
8197 * reload.c (loc_mentioned_in_p): Take address of
8198 in->fld[1].rtx directly.
8199 * reload1.c (reload): Change reg to a MEM before initializing
8201 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
8203 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
8205 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
8207 * config/mips/mips.c (machine_dependent_reorg): Force a
8208 barrier to output the local constant pool if a barrier hasn't
8209 been found at a natural point in the instruction stream.
8211 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8213 * c-parse.in (language_string): Constify.
8215 * dwarf2out.c (language_string): Remove declaration.
8217 * dwarfout.c (language_string): Likewise.
8219 * toplev.c (language_string, init_parse, finish_parse): Likewise.
8221 * tree.h (language_string, init_parse, finish_parse): Declare.
8223 * i386/sun386.h (language_string): Remove declaration.
8225 * mips.h (language_string): Likewise.
8227 * nextstep.h (language_string): Likewise.
8229 * nextstep21.h (language_string): Likewise.
8231 * rs6000.c (language_string): Likewise.
8233 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8235 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
8236 (getpwd.o): Remove target.
8238 * getpwd.c: Delete file. Its in libiberty now.
8240 * dbxout.c (getpwd): Don't prototype.
8241 * dwarf2out.c (getpwd): Likewise
8242 * dwarfout.c (getpwd): Likewise
8243 * final.c (getpwd): Likewise.
8244 * protoize.c (getpwd): Likewise.
8246 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8248 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
8250 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
8252 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
8255 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
8257 * fixinc/Makefile.in (subdir): New.
8258 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
8261 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
8263 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
8264 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
8267 * invoke.texi: Fix typo.
8269 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
8270 changed. Handle autoincrement addressing modes.
8272 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
8273 just like we would the virtual incoming args register when
8276 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
8278 * rs6000.h (ASM_FILE_START): Specify complete filename, including
8279 path, in .file directive.
8281 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
8283 * gcc.texi (External Bugs): Remove obsolete note about Perl on
8286 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
8288 * stdbool.h: Make the typedef name _Bool, with bool a #defined
8291 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8293 * tree.c (tree_code_name): Constify a char*.
8295 * tree.h (tree_code_name, decl_printable_name): Likewise.
8297 * function.h (struct function): Likewise.
8299 * toplev.c (decl_name, decl_printable_name): Likewise.
8301 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
8303 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
8304 (init_objc): Remove function pointer cast.
8306 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
8308 * pa.md (interspace_jump): New pattern.
8309 (builtin_longjmp): New expander.
8311 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
8313 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
8314 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
8315 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
8317 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
8319 * jump.c (delete_prior_computation): Also check calls
8320 to constant functions. Don't bother checking for a
8321 REG_UNUSED note before adding it.
8322 (delete_computation): Handle multi-word hard registers
8323 when synthesizing missing REG_DEAD notes for a register
8324 which is both set and used by an insn.
8326 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8328 * loop.c (this_loop_info): New variable.
8329 (loop_has_call, loop_has_volatile, loop_has_tablejump,
8330 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
8332 (prescan_loop, strength_reduce): New argument loop_info. All callers
8334 (scan_loop): New variable loop_info, initialise to address of
8336 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
8337 Delete variable loop_has_multiple_exit targets and replace with
8338 field in this_loop_info.
8339 (find_and_verify_loops): Rename this_loop to this_loop_num.
8340 (strength_reduce): Delete loop_iteration_info. Replace variable
8341 loop_info with function argument of same name.
8342 (insert_bct): Rework test for loop being completely unrolled.
8344 * loop.h (struct loop_info): New fields num, loops_enclosed,
8345 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
8346 has_indirect_jump, and cont. Redefine use of unroll_number.
8347 (loop_unroll_number): Delete.
8349 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
8351 (loop_iterations): Delete variable vtop and instead use
8352 loop_info->vtop computed in prescan_loop.
8354 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
8356 * fix-header.c (main): Do not pass a null pointer to strcmp.
8358 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
8360 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
8362 * configure: Rebuilt.
8364 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
8366 * jump.c (jump_optimize_1): Do not delete assignments to
8367 internal_arg_pointer.
8368 * cse.c (delete_trivially_dead_insns): Always consider a set of
8369 the internal_arg_pointer live.
8371 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
8373 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
8374 (update_life_info) [REG_WAS_0]: Search the original insns rather
8375 than the new insns for the note. Fix typos finding note_dest.
8376 If no dest found, discard the note rather than abort.
8377 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
8378 (replace_insns): Remove the old insn list after update_life_info
8381 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
8383 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
8385 (sched_analyze_1): Let add_dependence care for not adding dups.
8386 (sched_analyze_2): Likewise.
8387 (add_branch_dependences): Likewise.
8389 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
8391 * i386/winnt.c (export_list): New type.
8392 (exports_head): Rename to
8393 (export_head): this.
8394 (i386_pe_record_exported_symbol): Add is_data flag.
8395 (i386_pe_asm_file_end): Emit directive for exported variables.
8396 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
8398 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
8399 (ASM_DECLARE_OBJECT_NAME): Likewise.
8400 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8401 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
8403 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
8405 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
8407 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
8410 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
8412 * config/openbsd.h: Define SET_ASM_OP.
8413 * tm.texi: cross-reference SET_ASM_OP in the index.
8415 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
8417 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
8418 for a CONST_DOUBLE, at compile time. Initialize rtx_length
8419 and class_narrowest_mode at compile time. Kill init_rtl.
8420 Mark rtx_length, mode_class, mode_size, mode_unit_size,
8421 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
8422 rtx_format as const. Kill all references to EXTRA_CC_MODES or
8424 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
8426 * rtl.h: Declare rtx_length and rtx_format as const.
8427 * machmode.def: Define CC(). Use CC() to define CCmode. If
8428 EXTRA_CC_MODES is defined, expand it here.
8429 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
8430 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
8431 const. Kill all references to EXTRA_CC_MODES.
8433 * toplev.c: Don't prototype or call init_rtl.
8434 * optabs.c: Don't call init_mov_optab.
8435 * genemit.c: Don't generate init_mov_optab. Don't call
8437 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
8439 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
8440 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
8441 genrecog.c: Don't call init_rtl.
8443 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
8444 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
8445 definition of EXTRA_CC_MODES.
8447 * md.texi: Kill ref to EXTRA_CC_NAMES.
8448 * tm.texi: Document new way to define EXTRA_CC_MODES.
8450 * genrecog.c: Do not look up the name of a define_split.
8453 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
8455 * config/v850/v850.md: Fix typo introduced by previous delta.
8457 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8459 * gcc.c (fatal): Make definition static to match prototype.
8461 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8463 * combine.c (get_last_value): Don't look for earlier sets if the last
8464 known set is somewhere in between the insns being combined.
8466 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
8468 * configure.in: Don't use shell ! to negate exit codes
8469 * configure: Regenerate
8471 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
8473 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
8474 the fact that ALIGN is measured in bits, not bytes.
8476 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
8478 * errors.c: New file; defines functions error, warning, and
8479 fatal, variables have_error and progname.
8480 * errors.h: New file; prototypes and decls for stuff in errors.c.
8482 * Makefile: Add rules to build errors.o and
8483 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
8484 genopinit, genrecog, genextract, genpeep, genattr, and
8485 genoutput with errors.o. Add errors.h to deps of genconfig.o,
8486 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
8487 genpeep.o, genattr.o, and genoutput.o.
8489 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
8490 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
8491 define or prototype fatal. Set progname at beginning of main.
8492 * genoutput.c: Likewise, and don't define or prototype error
8495 * c-typeck.c (c_expand_start_case): Return immediately if exp
8497 * fold-const.c (operand_equal_p): Return immediately if arg1
8498 or arg0 are ERROR_MARKs.
8499 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
8500 fields of type ERROR_MARK when calculating if the record can
8503 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
8504 with much help from Jeffrey A Law and Richard Henderson
8506 * i386.md: In the 6 insns which call output_fix_trunc,
8507 earlyclobber operands[0].
8509 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
8511 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
8512 creating new registers.
8514 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
8516 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
8517 i386_reg_alloc_order, i386_regparm_string,
8518 i386_align_loops_string, i386_align_jumps_string,
8519 i386_align_funcs_string, i386_preferred_stack_boundary_string,
8520 and i386_branch_cost_string as type "const char *".
8521 * i386.c: Define all above strings as type "const char *".
8523 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
8525 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
8526 when emitting alignment padding. Emit padding byte of 0 instead of 4.
8528 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
8530 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
8531 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
8533 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
8535 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
8536 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
8537 (dwarf2out_line, dwarf2out_finish): Likewise.
8538 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
8540 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
8542 * tree.c (lang_unsave_expr_now) : Correct return type.
8543 * tree.h (lang_unsave_expr_now) : Same.
8545 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
8547 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
8548 instead of duplicating code.
8550 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8552 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
8554 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
8556 * tree.h: fancy_abort always takes three args.
8557 * resource.c: Move include of system.h before toplev.h.
8559 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
8561 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
8564 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
8566 * system.h: Don't redefine abort or trim_filename.
8567 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
8568 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
8569 whether or not __FUNCTION__ is available.
8570 * tree.h: Duplicate rtl.h's definition of abort, for files
8571 that don't include rtl.h. Delete all code to perform type
8572 checking with a compiler other than GCC.
8573 * varray.h: Delete all code to perform type checking with a
8574 compiler other than GCC. Make VARRAY_CHECK() always evaluate
8575 its arguments exactly once, using a statement expression.
8576 Adjust the VARRAY_<type> accessor macros to match.
8577 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
8578 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
8579 caller's location. Define fatal_insn and fatal_insn_not_found
8580 as macros that use _fatal_insn and _fatal_insn_not_found.
8581 (fancy_abort, trim_filename): Kill prototypes.
8583 * rtl.c (trim_filename): Move here from toplev.c.
8584 (fancy_abort): New function.
8585 (DIR_SEPARATOR): Provide default definition.
8586 * tree.c (tree_check_failed, tree_class_check_failed): Go
8587 through fancy_abort.
8588 (tree_check, tree_class_check, cst_or_constructor_check,
8589 expr_check): Delete.
8590 * varray.c (varray_check_failed): New function.
8591 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
8592 _fatal_insn and _fatal_insn_not_found. Go through
8594 (trim_filename, fancy_abort): Delete.
8596 * builtins.c (expand_builtin_args_info): Report ICE with abort.
8597 * except.c (start_catch_handler): Report ICE with error/abort
8599 * final.c (output_operand_lossage): Likewise.
8600 * flow.c (verify_flow_info): Likewise.
8602 * gcc.c: Prototype fatal.
8603 * gengenrtl.c: Undef abort after including rtl.h not system.h.
8604 * genattr.c, genattrtab.c, genemit.c, genextract.c,
8605 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
8606 Don't define fancy_abort.
8608 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
8610 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
8613 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
8615 * m88k.h (VERSION_INFO2): Kill.
8616 (VERSION_STRING): Kill.
8618 (VERSION_INFO1): Tidy.
8619 (TARGET_VERSION): Update.
8620 * m88k/dgux.h (VERSION_INFO2): Kill.
8621 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
8622 * m88k/luna.h (VERSION_INFO1): Tidy.
8623 * m88k/sysv4.h (VERSION_INFO1): Likewise.
8624 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
8625 (output_file_start): Adjust for death of VERSION_STRING.
8627 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
8629 * cpplib.c (detect_if_not_defined): New function.
8630 (do_if): Use it to detect potential once-only headers.
8632 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
8634 * c-common.c (combine_strings): Always set TREE_CONSTANT.
8636 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
8638 * combine.c (nonzero_bits) : Allow single-ly set registers to be
8639 anywere in the function only if they are pseudos and set before
8640 being used (not live at the start of the function).
8641 (num_sign_bit_copies) : Same.
8642 (get_last_value_validate) : Same.
8643 (get_last_value) : Same.
8645 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
8647 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
8648 where N and M are constant and N is an integer multiple of M.
8650 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8652 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
8653 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
8654 sbitmap_union_of_preds): Add prototypes.
8655 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
8656 the intersection of successors with the new flow graph structures.
8657 (sbitmap_intersection_of_preds): New function to compute the
8658 intersection of predecessors with the new flow graph structures.
8659 (sbitmap_union_of_succs): New function to compute the union of
8660 successors with the new flow graph structures.
8661 (sbitmap_union_of_preds): New function to compute the union of
8662 predecessors with the new flow graph structures.
8663 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
8664 (expr_reaches_here_p): Use edge and basic_block structures instead
8665 of s_preds and s_succs.
8666 (compute_cprop_avinout): Use new sbitmap routines.
8667 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
8668 of s_preds and s_succs.
8669 * flow.c (compute_flow_dominators): Compute dominators using
8670 edges and basic blocks instead of s_preds and s_succs.
8672 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8674 * lists.c (unused_insn_list, unused_expr_list): New file for
8675 maintaining various types of lists. New statics for maintaining a
8676 cache of available INSN_LIST and EXPR_LIST nodes.
8677 (free_list): Static function for freeing a list of INSN/EXPR nodes.
8678 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
8679 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
8680 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
8681 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
8682 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
8683 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
8684 (free_INSN_LIST_node): Free an individual INSN_LIST node.
8685 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
8686 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
8687 (remove_dependence, free_pending_lists): Use new global routines.
8688 (flush_pending_lists, sched_analyze_insn): Use new global routines.
8689 (sched_analyze, compute_block_backward_dependences): Use new routines.
8690 (sched_analyze_1, sched_analyze_2): Use new routines.
8691 (schedule_insns): Use new global routines.
8692 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
8694 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
8695 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
8697 * toplev.c (rest_of_compilation): Initialize node cache.
8698 * Makefile.in (OBJS): Add lists.o to list of object files.
8699 (lists.o): Add dependancies.
8701 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
8703 * config/v850/v850.md: Fix compile time warning messages.
8704 * config/v850/v850.c: Fix compile time warning messages.
8705 * config/v850/v850.h: Fix compile time warning messages.
8707 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8709 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
8710 Remove unused prototype for `init_lengths'.
8712 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8714 * calls.c (emit_call_1): Mark parameter `stack_size' with
8716 (expand_call): Initialize variable `insn'.
8717 (emit_library_call): Likewise for variable `high_to_save'.
8718 (emit_library_call_value): Likewise.
8719 (store_one_arg): Likewise for variables `lower_bound' and
8722 * combine.c (try_combine): Likewise for variables `i2_code_number'
8723 and `other_code_number'.
8724 (find_split_point): Likewise for variables `pos', `unsignedp' and
8726 (simplify_if_then_else): Likewise for variables `op' and `c1'.
8727 (simplify_and_const_int): Remove unused variable `width'.
8728 (merge_outer_ops): Likewise.
8730 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
8731 HOST_WIDE_INT' when comparing against one.
8732 (simplify_relational_operation): Likewise.
8733 (cse_insn): Initialize variables `src_eqv_volatile',
8734 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
8736 * final.c (init_final): Constify parameter `filename'.
8737 (final_start_function): Mark parameter `optimize' with
8739 (profile_function): Likewise for parameters `first' and `optimize'.
8740 (output_source_line): Likewise for parameter `file'.
8742 * integrate.c (subst_constants): Cast a value to `size_t' when
8743 comparing against one.
8744 (mark_stores): Initialize variable `mode'. Cast a value to
8745 `size_t' when comparing against one.
8747 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
8749 * loop.c (move_movables): Initialize variable `first'.
8750 (strength_reduce): Likewise for variable `increment'.
8751 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
8752 value to `size_t' when comparing against one.
8753 (load_mems): Initialize variable `end_label'.
8755 * output.h (init_final): Constify parameter.
8757 * reload.c (decompose): Initialize variable `base'.
8759 * reload1.c (reload): Likewise for variable `is_scalar'.
8760 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
8761 (choose_reload_regs): Initialize variable `mode'.
8762 (emit_reload_insns): Likewise for variable `store_insn'.
8763 (reload_cse_noop_set_p): Mark parameter `insn' with
8765 (reload_combine): Initialize variable `set'.
8767 * unroll.c (unroll_loop): Likewise for variable `local_label'.
8768 (copy_loop_body): Cast a value to `size_t' when comparing against
8771 * varasm.c (assemble_variable): Initialize variable `size_tree'.
8772 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
8773 (remove_from_pending_weak_list): Mark parameter `name' with
8776 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8778 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
8781 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
8783 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
8784 (ASM_DECLARE_FUNCTION_NAME): Define.
8785 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
8786 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
8787 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
8788 not already defined.
8790 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
8792 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
8793 of n_popped when call/call_value are not defined.
8795 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
8797 * tm.texi: GNU CC -> GCC conversion.
8798 (CC1_SPEC): Indicate it is used for all language front ends.
8800 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
8802 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
8803 NOTE_INSN_EH_REGION_END correctly.
8805 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
8806 Jeff Law <law@cygnus.com>
8808 * loop.c (strength_reduce): Automatically unroll loops if the
8809 unrolled loop size is smaller than the rolled loop size.
8811 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
8812 and delete comment that code should be rewritten.
8814 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
8816 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
8819 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
8821 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
8823 * fixinc/mkfixinc.sh: Don't fix uwin headers.
8824 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
8825 (LINK_SPEC): Add -u _main when building executables.
8826 (ASM_DECLARE_FUNCTION): Update from Cygwin.
8827 (ASM_FILE_END): Use the default for ix86-pe.
8828 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
8830 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
8832 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
8833 and ASM_CLOSE_PAREN are empty strings.
8835 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
8836 Geoffrey Keating <geoffk@cygnus.com>
8838 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
8839 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
8840 (unprotoize.o): Ditto.
8841 (test-protoize-simple): Don't define STD_PROTO_DIR.
8842 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
8843 changes to make 'test-protoize-simple' pass.
8844 (STD_PROTO_DIR): Remove define.
8845 (STANDARD_EXEC_PREFIX): Supply default define.
8846 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
8847 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
8848 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
8849 (GET_ENV_PATH_LIST): New macro.
8850 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
8851 (do_processing): Initialize default_syscalls_dir using new
8852 macros. Use it to initialize syscalls_absolute_filename.
8854 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
8856 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
8857 B into a register before emit_conditional_move.
8859 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
8861 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
8862 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
8863 multiplicand out of (+ (* a b) (* c d)).
8865 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
8866 Richard Henderson <rth@cygnus.com>
8868 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
8869 (new_insn_dead_notes): Likewise.
8870 (update_n_sets): Likewise.
8871 (update_flow_info): Move to flow.c, renamed to update_life_info;
8872 extend to handle multiple source insns.
8873 * flow.c: Include resource.h
8874 (unlink_insn_chain): New.
8875 (split_hard_reg_notes): New.
8876 (maybe_add_dead_note): New.
8877 (maybe_add_dead_note_use): New.
8878 (find_insn_with_note): New.
8879 (new_insn_dead_notes): New.
8880 (update_n_sets): New.
8881 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
8882 (maybe_remove_dead_notes): New.
8883 (update_life_info): New.
8884 (prepend_reg_notes): New.
8885 (replace_insns): New.
8886 * output.h (update_life_info): Declare.
8887 * recog.c (split_block_insns): Use update_life_info.
8888 * resource.c (find_free_register): Use reg_alloc_order, don't use
8889 fixed regs, make sure the mode is supported, don't use new regs.
8891 * rtl.h (replace_insns): Declare.
8893 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
8895 * expr.c (expand_expr): Cope with COND_EXPRs with one
8896 non-returning branch.
8898 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
8900 * expr.c (store_expr): Always pass down the target, even when not
8903 1999-08-24 Nick Clifton <nickc@cygnus.com>
8905 * configure.in: Define target_cpu_default for v850 targets.
8906 * configure: Regenerate
8908 * config/v850/v850.h (TARGET_CPU_generic): Define.
8909 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
8910 addresses are 4 byte aligned.
8912 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
8915 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8917 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
8918 (main): Add prototypes.
8920 * genattrtab.c (substitute_address, write_const_num_delay_slots,
8921 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
8922 (write_attr_get): Emit prototypes along with function definition.
8923 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
8924 (write_complex_function): Emit static prototype along with
8925 function definition.
8927 * genemit.c (gen_split): Emit prototypes along with function
8930 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
8931 Likewise for predicates and `insn_operand_predicate'.
8932 (process_template): Emit static prototype along with function
8935 * genrecog.c (make_insn_sequence): Constify a char*. Add
8936 prototypes for get_split_*().
8937 (write_subroutine): Emit prototypes along with function
8940 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8942 * gcse.c (find_avail_set): Follow chains of register-register copies.
8943 Use oprs_not_set_p to guarantee that the returned value can be
8945 (cprop_insn): Don't verify the return value of find_avail_set with
8948 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
8949 (cprop_cc0_jump): New function.
8950 (cprop_insn): Break out new function cprop_jump and use it.
8951 Also use cprop_cc0_jump for machines with CC0.
8952 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
8954 * tree.h (current_function_calls_setjmp,
8955 current_function_calls_longjmp): Delete declarations.
8956 * dsp16xx.c: Include "function.h".
8957 * elxsi.c: Likewise.
8958 * gmicro.c: Likewise.
8959 * h8300.c: Likewise.
8962 * mn10200.c: Likewise.
8963 * mn10300.c: Likewise.
8964 * ns32k.c: Likewise.
8968 * rtl.h (rtx_equal_function_value_matters): Declare.
8969 * toplev.c (rtx_equal_function_value_matters): Don't declare.
8971 * function.c: Likewise.
8972 * emit-rtl.c: Likewise.
8974 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
8976 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
8979 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8981 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
8984 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
8986 * cpp.texi: Add a node documenting macro varargs (copied
8989 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
8991 * cppspec.c: Put a null pointer at the end of the new argv.
8993 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
8995 * configure.in: Remove code to select/de-select the haifa
8996 scheduler. Every scheduled port gets haifa now.
8997 * configure: Rebuilt.
8998 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
9000 * Makefile.in: Corresponding changes.
9002 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9004 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
9005 All callers changed.
9006 (prepare_float_lib_cmp): Likewise.
9007 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
9008 * expr.h (emit_float_lib_cmp): Delete declaration.
9009 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
9010 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
9011 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
9013 (cmptf): Now conditional on TARGET_HARD_QUAD.
9015 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
9017 * resource.c (mark_target_live_regs): Use
9018 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
9020 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9022 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
9024 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
9026 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
9028 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9030 * rtl.h (rtx_format): Constify a char*.
9032 * rtl.c (rtx_format): Likewise.
9033 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
9034 (init_rtl): Use accessor macro, not `rtx_format'.
9036 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
9039 * caller-save.c (mark_referenced_regs): Likewise.
9041 * combine.c (subst, make_compound_operation, known_cond,
9042 gen_rtx_combine, update_table_tick, get_last_value_validate,
9043 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
9045 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
9046 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
9047 count_reg_usage): Likewise.
9049 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
9052 * final.c (leaf_renumber_regs_insn): Likewise.
9054 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
9055 dump_edge_info, count_reg_references): Likewise.
9057 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
9058 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
9061 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
9062 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
9063 add_label_notes): Likewise.
9065 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
9066 clear_struct_flag, count_sub_rtxs, count_alternatives,
9067 compares_alternatives_p, contained_in_p, walk_attr_value,
9068 write_expr_attr_cache): Likewise.
9070 * genconfig.c (walk_insn_part): Likewise.
9072 * genemit.c (max_operand_1, gen_exp): Likewise.
9074 * genextract.c (walk_rtx): Likewise.
9076 * genflags.c (num_operands): Likewise.
9078 * genoutput.c (scan_operands): Likewise.
9080 * genpeep.c (match_rtx): Likewise.
9082 * genrecog.c (add_to_sequence): Likewise.
9084 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
9087 * integrate.c (save_constants, copy_for_inline,
9088 copy_rtx_and_substitute, subst_constants, restore_constants):
9091 * jump.c (mark_jump_label, invert_exp, redirect_exp,
9092 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
9094 * local-alloc.c (contains_replace_regs, memref_referenced_p):
9097 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
9098 add_label_notes, replace_call_address, count_nonfixed_reads,
9099 invariant_p, find_single_use_in_loop, find_mem_givs,
9100 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
9103 * print-rtl.c (reg_names, print_rtx): Likewise.
9105 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
9107 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
9108 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
9109 print_blocks): Likewise.
9111 * regclass.c (fix_register, record_address_regs,
9112 reg_scan_mark_refs): Likewise.
9114 * regmove.c (stable_but_for_p): Likewise.
9116 * reload.c (loc_mentioned_in_p, operands_match_p,
9117 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
9118 copy_replacements, refers_to_regno_for_reload_p,
9119 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
9120 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
9123 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
9124 delete_address_reloads_1, count_occurrences,
9125 reload_cse_mem_conflict_p, reload_combine_note_use,
9126 add_auto_inc_notes): Likewise.
9128 * resource.c (mark_referenced_resources, mark_set_resources):
9131 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
9132 reg_mentioned_p, regs_set_between_p, modified_between_p,
9133 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
9134 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
9135 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
9136 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
9138 * sched.c (sched_analyze_2, attach_deaths): Likewise.
9140 * stupid.c (stupid_mark_refs): Likewise.
9142 * unroll.c (remap_split_bivs): Likewise.
9144 * varasm.c (mark_constants): Likewise.
9146 * a29k/a29k.c (uses_local_reg_p): Likewise.
9148 * alpha/alpha.c (summarize_insn): Likewise.
9150 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
9151 eliminate_lr2ip): Likewise.
9153 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
9155 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
9156 reg_mentioned_in_mem): Likewise.
9158 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
9159 symbolic_reference_mentioned_p): Likewise.
9161 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
9163 * sh/sh.c (regs_used, mark_use): Likewise.
9165 * vax/vax.c (vax_rtx_cost): Likewise.
9167 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9169 * machmode.h (mode_name): Constify a char*.
9171 * rtl.c (mode_name): Likewise.
9173 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
9175 * optabs.c (init_libfuncs): Constify a char*.
9177 * print-tree.c (mode_name): Remove redundant declaration.
9178 (print_node): Use accessor macro, not `mode_name'.
9180 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
9182 (new_spill_reg): Constify a char*.
9184 * tree.c (mode_name): Remove redundant declaration.
9186 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9188 * rtl.c (rtx_name): Constify a char*.
9190 * rtl.h (rtx_name, fix_sched_param): Likewise.
9192 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
9193 (mypr): Use accessor macro, not `rtx_name'.
9195 * genemit.c (print_code): Constify a char*.
9197 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
9199 * genpeep.c (print_code): Constify a char*.
9201 * genrecog.c (print_code): Likewise.
9203 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
9204 end_bb): Add static prototype.
9205 (draw_edge): Constify a char*.
9206 (end_bb): Remove unused parameter.
9208 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
9209 print_block_visualization): Constify a char*.
9211 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
9213 * c-common.c (c_get_alias_set): Update comment.
9215 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
9217 * linux.h (LIB_SPEC): Added.
9219 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9221 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
9223 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
9225 * tree.c (expr_check): Fix typo in last change.
9227 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
9229 * rtl.def (NOTE): Change format to "iuu0n".
9230 (ADDR_DIFF_VEC): Change format to "eEee0".
9231 (ADDRESSOF): Change format to "eit".
9233 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
9234 (RTVEC_ELT): Change to match.
9235 (XVECEXP): Use XVEC and RTVEC_ELT.
9236 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
9237 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
9238 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
9239 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
9240 TRAP_CONDITION, TRAP_CODE): Use XEXP.
9241 (INTVAL): Use XWINT.
9242 (ADDRESSOF_DECL): Use XTREE.
9243 (SET_ADDRESSOF_DECL): Delete.
9244 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
9245 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
9246 ifdefed out since 2.6 at least.
9247 (gen_rtvec_vv): Delete prototype.
9249 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
9251 (copy_most_rtx): Handle 't' format letter.
9252 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
9253 (gen_rtvec_vv): Delete function. All callers changed to use
9254 gen_rtvec_v instead.
9255 * print-rtl.c (print_rtx): Move special casing of NOTEs to
9256 the '0' format letter.
9258 * function.c (gen_mem_addressof): Don't use
9259 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
9261 * integrate.c (copy_rtx_and_substitute): Likewise.
9262 Copy 't' slots with XTREE.
9263 (subst_constants): Treat 't' slots like '[swi]' slots.
9264 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
9265 * jump.c (rtx_equal_for_thread_p): Likewise.
9266 * rtlanal.c (rtx_equal_p): Likewise.
9267 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
9268 only four arguments.
9269 * gengenrtl.c (type_from_format): Provide correct types for
9273 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
9274 If a recent gcc is in use (always in stage2 and beyond), use
9275 statement expressions, so we don't make a function call unless
9276 the check fails. Evaluate arguments exactly once.
9277 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
9278 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
9280 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
9281 they evaluate their arguments exactly once, irrespective of
9282 the compiler in use.
9284 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
9285 is used by the currently-enabled check macros. This is:
9286 (tree_check_failed, tree_class_check_failed): For gcc.
9287 (tree_check, tree_class_check, cst_or_constructor_check,
9288 expr_check): For other compilers.
9290 * gencheck.c: Do not define any *_CHECK1 macros.
9292 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
9293 Mark Mitchell <mark@codesourcery.com>
9295 * c-common.c (c_get_alias_set): Fix support for poitners and
9298 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
9300 * alias.c: Include tree.h.
9301 (nonlocal_reference_p, mark_constant_function): New functions.
9302 * flow.c (life_analysis): Call mark_constant_function.
9303 * rtl.h (mark_constant_function): Declare it.
9305 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
9307 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
9308 unrecognisable switches.
9310 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9312 * loop.c (recombine_givs): Set ix field after sorting.
9313 (recombine_givs): Remove bogus index / giv lockstep looping.
9315 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9317 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
9319 (emit_store_flag_force): Use do_compare_rtx_and_jump.
9320 (do_cmp_and_jump): Formatting fixes.
9321 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
9322 do_compare_rtx_and_jump instead of compare_from_rtx.
9323 (do_compare_rtx_and_jump): New function; mostly copied from
9325 (do_jump_for_compare): Delete.
9326 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
9328 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
9329 of compare/do_jump_for_compare pairs.
9330 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
9331 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
9332 compare_from_rtx/do_jump_for_compare pairs.
9333 (do_jump_by_parts_equality): Likewise.
9334 (do_jump_by_parts_equality_rtx): Likewise.
9335 * expr.h (do_compare_rtx_and_jump): Declare.
9336 * optabs.c (prepare_cmp_insn): New function, contains most of the code
9337 that used to be in emit_cmp_insn.
9338 (cmp_available_p): New function.
9339 (prepare_operand): New function.
9340 (emit_cmp_and_jump_insn_1): New function, contains some code that used
9341 to be in emit_cmp_insn.
9342 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
9343 parameters to be pointers; don't emit final compare but modify some of
9344 the values pointed to by the args so the caller can perform the
9346 (expand_binop): Call emit_store_flag_force with signed forms of
9348 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
9349 emit_jump_insn pair.
9350 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
9351 emit_cmp_and_jump_insn_1. Call emit_queue.
9352 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
9354 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
9355 jump sets cc0 before deleting it.
9356 * integrate.c (expand_inline_function): Likewise.
9357 * unroll.c (unroll_loop): Similar changes in several places.
9358 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
9361 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9363 * Makefile.in (insn-recog.o): Update dependencies.
9364 * genrecog.c (main): Make generated file include "function.h".
9366 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
9368 * cse.c (cse_insn): Call never_reached_warning when a jump is
9369 changed to be unconditional.
9370 * flags.h: Declare warn_notreached.
9371 * flow.c (delete_block): Call never_reached_warning when
9373 * jump.c (delete_barrier_successors): Call never_reached_warning
9374 when we delete everything after a BARRIER.
9375 (never_reached_warning): New function.
9376 * rtl.h: Declare never_reached_warning.
9377 * toplev.c (warn_notreached): New variable.
9378 (lang_independent_options): Set warn_notreached
9379 when -Wunreachable-code.
9380 (compile_file): We need line numbers for -Wunreachable-code.
9382 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
9384 * haifa-sched.c (insn_unit): Fix typo on out of range test.
9385 * sched.c (insn_unit): Likewise.
9387 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
9389 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
9391 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9393 * flow.c (create_edge_list): Use xmalloc, not malloc.
9395 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
9397 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
9398 C-style comments. Do not lose the character before double slash.
9400 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9402 * basic-block.h (struct edge_list): Stucture to maintain a vector
9404 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
9405 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
9406 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
9407 New function prototypes.
9408 * flow.c (create_edge_list): Function to create an edge list.
9409 (free_edge_list): Discards memory used by an edge list.
9410 (print_edge_list): Debug output showing an edge list.
9411 (verify_edge_list): Internal consistency check for an edge list.
9412 (find_edge_index): Function to find an edge index for a pred and succ.
9414 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
9416 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
9419 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
9421 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
9423 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9425 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
9427 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
9429 * toplev.c (rest_of_compilation): Allow machine dependent
9430 reorganisation pass to place information into the RTL dump
9431 file if it so wishes.
9433 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
9435 * explow.c (hard_function_value): Use VOIDmode instead of
9437 * stmt.c (expand_return): Likewise.
9438 * stor-layout.c (get_best_mode): Likewise.
9440 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
9441 emit call instead of emit_insn call.
9443 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
9445 * configure.in: Handle --disable/enable-win32-registry.
9446 * install.texi: Document --disable/enable-win32-registry.
9447 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
9448 (WIN32_REGISTRY_KEY): New macro.
9449 * prefix.c: Use to enable/disable win32-specific code.
9450 (lookup_key): Use versioned key.
9451 * configure: Regenerate.
9452 * config.in: Likewise.
9454 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
9456 * cpplib.c (read_line_number): New fn, split out of...
9459 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
9461 tree.c (lang_unsave_expr_now) : New.
9462 (unsave_expr_now): Call lang_unsave_expr_now.
9463 tree.h (lang_unsave_expr_now) : New.
9465 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
9467 * toplev.c (flag_new_exceptions): On by default.
9469 1999-08-13 Michael Meissner <meissner@cygnus.com>
9471 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
9473 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
9475 * dwarfout.c (fundamental_type_code): Return FT_boolean for
9476 INTEGER_TYPE with precision==1, it's __java_boolean.
9478 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9480 * global.c (prune_preferences): Move some invariants out of the
9483 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
9485 * configure.in (alpha*-dec-osf*): Add osf5.
9487 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
9489 * configure.in: Rework handling of ARM GNU/Linux slightly.
9490 (arm*-*-linux-gnuoldld): New target.
9491 * configure: Regenerate.
9492 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
9493 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
9494 * config/arm/linux-oldld.h: New file.
9495 * config/arm/linux-elf26.h: Don't include linux-elf.h.
9496 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
9498 * config/arm/linux-elf.h (ASM_SPEC): Define.
9499 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
9500 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
9501 for 26-bit APCS and old linker.
9502 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
9504 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
9505 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
9506 don't define `arm' or `arm_elf'.
9507 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
9508 MULTILIB_DIRNAMES): Define. Fix typo in comment.
9510 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
9512 * rtl.texi: Fix typo.
9514 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
9516 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
9518 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
9520 * extend.texi (C++ Signatures): Remove node.
9521 * invoke.texi: Remove discussion of -fhandle-signatures,
9522 signature, sigof, __signature__, and __sigof__.
9524 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
9526 * Makefile.in (JAVAGC): Removed.
9528 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
9530 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
9532 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
9534 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
9536 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
9538 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
9539 a register that is already known to be a pointer.
9541 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
9543 * fixinc/inclhack.tpl: Only install assert.h conditionally.
9544 * fixinc/inclhack.sh: Regenerated.
9545 * fixinc/fixincl.sh: Regenerated.
9547 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
9549 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
9550 Fix documentation of -ansi flag to describe its C++ behavior.
9551 Remove bogus reference to GCC 2.9.
9553 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
9555 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
9556 note if it is non-NULL.
9558 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9560 * except.h (eh_nesting_info): Add new structure defintion.
9561 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
9562 (reachable_handlers, update_rethrow_references): Add function
9564 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
9565 a rethrow symbol instead of an integer exception region number.
9566 * flow.c (Make_edges): Use new exception nesting routines to determine
9567 which handlers are reachable from a CALL or asynchronous insn.
9568 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
9570 (delete_eh_regions): Update rethrow labels, and don't delete
9571 regions which are the target of a rethrow.
9572 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
9573 avoid overloading the SYMBOL_REF_USED flag.
9574 (rethrow_symbol_map): Use new rethrow_ref field.
9575 (rethrow_used): Use new rethrow_ref field.
9576 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
9577 of an integer. Fix formatting.
9578 (output_exception_table_entry): Use new rethrow_ref field.
9579 (can_throw): Check for EH_REGION_NOTE before deciding
9580 whether a CALL can throw or not.
9581 (scan_region): Call rethrow_used() instead of accessing data structure.
9582 (update_rethrow_references): New function to make sure only regions
9583 which are still targets of a rethrow are flagged as such.
9584 (process_nestinfo): New static function to initialize a handler
9585 list for a specific region.
9586 (init_eh_nesting_info): New function to allocate and initialize
9587 the list of all EH handlers reachable from all regions.
9588 (reachable_handlers): New function to retrieve the list of handlers
9589 reachable from a specific region and insn.
9590 (free_eh_nesting_info): New function to dispose of a list of
9593 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9595 * flow.c (split_edge): Set JUMP_LABEL field.
9596 (commit_one_edge_insertion): Set head correctly for insert_before.
9597 When inserting insns, update insn block numbers if allocated.
9599 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9601 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
9602 retry_incomplete_types): Add static prototype.
9603 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
9604 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
9605 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
9606 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
9607 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
9610 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
9611 dwarf2out_start_source_file, dwarf2out_line): Likewise.
9613 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9615 * output.h (assemble_name): Constify a char*.
9617 * varasm.c (UNIQUE_SECTION, assemble_start_function,
9618 assemble_variable, assemble_name): Likewise.
9620 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
9622 * arm/pe.c (arm_pe_unique_section): Likewise.
9624 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
9626 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
9628 * i386/interix.c (i386_pe_unique_section): Likewise.
9630 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
9632 * i386/winnt.c (i386_pe_unique_section): Likewise.
9634 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
9636 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
9638 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
9640 * pa/pa.c (output_call): Likewise.
9642 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
9644 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
9646 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
9649 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
9652 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
9654 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
9655 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
9657 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
9659 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9661 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
9663 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9665 * tree.h (lang_identify): Constify a char*.
9666 (print_error_function): Add extern prototype. Constify a char*.
9668 * c-lang.c (lang_identify): Constify a char*.
9670 * objc/objc-act.c (lang_identify): Constify a char*.
9672 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9674 * genpeep.c (main): Make generated file include "function.h".
9675 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
9677 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9679 * Makefile.in: Update dependencies.
9680 * alias.c: Include "function.h"
9681 * c-decl.c: Likewise.
9682 * caller-save.c: Likewise.
9683 * calls.c: Likewise.
9684 * combine.c: Likewise.
9686 * explow.c: Likewise.
9687 * final.c: Likewise.
9688 * global.c: Likewise.
9689 * graph.c: Likewise.
9690 * local-alloc.c: Likewise.
9692 * optabs.c: Likewise.
9693 * profile.c: Likewise.
9694 * recog.c: Likewise.
9695 * regclass.c: Likewise.
9696 * regmove.c: Likewise.
9697 * reload.c: Likewise.
9698 * reorg.c: Likewise.
9699 * resource.c: Likewise.
9700 * sched.c: Likewise.
9701 * stupid.c: Likewise.
9702 * config/1750a/1750a.c: Likewise.
9703 * config/a29k/a29k.c: Likewise.
9704 * config/arc/arc.c: Likewise.
9705 * config/arm/arm.c: Likewise.
9706 * config/arm/thumb.c: Likewise.
9707 * config/c4x/c4x.c: Likewise.
9708 * config/clipper/clipper.c: Likewise.
9709 * config/convex/convex.c: Likewise.
9710 * config/fx80/fx80.c: Likewise.
9711 * config/i860/i860.c: Likewise.
9712 * config/m68k/m68k.c: Likewise.
9713 * config/m88k/m88k.c: Likewise.
9714 * config/mips/mips.c: Likewise.
9715 * config/pdp11/pdp11.c: Likewise.
9716 * config/pyr/pyr.c: Likewise.
9717 * config/romp/romp.c: Likewise.
9718 * config/sh/sh.c: Likewise.
9719 * config/tahoe/tahoe.c: Likewise.
9720 * config/vax/vax.c: Likewise.
9721 * config/we32k/we32k.c: Likewise.
9722 * config/sparc/sparc.c: Include "function.h".
9723 (mem_min_alignment): Test current_function rather than
9724 regno_pointer_align.
9725 * config/pa/pa.c: Likewise.
9726 (compute_frame_size): Delete declaration of
9727 current_function_outgoing_args_size.
9728 * config/arc/arc.h (current_function_varargs): Delete declaration.
9729 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
9731 * config/i370/i370.h (current_function_outgoing_args_size): Delete
9733 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
9734 current_function_uses_pic_offset_table.
9735 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
9736 of current_function_returns_pointer.
9737 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9738 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9739 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9740 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9741 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9742 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
9743 * config/m88k/m88k.c: Include "function.h"
9744 (call_used_regs, current_function_pretend_args_size,
9745 current_function_outgoing_args_size, frame_pointer_needed): Delete
9747 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
9749 * config/mips/mips.h (current_function_calls_alloca): Delete
9751 * config/mn10200/mn10200.h (current_function_needs_context,
9752 rtx_equal_function_value_matters): Delete declarations.
9753 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
9754 flag_pic): Delete declarations.
9755 * config/pa/pa.h (current_function_pretend_args_size,
9756 current_function_decl): Delete declarations.
9757 * config/pa/som.h (current_function_varargs): Delete declaration.
9758 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
9760 * config/pyr/pyr.h (current_function_pretend_args_size,
9761 current_function_args_size, current_function_calls_alloca): Delete
9763 * config/sh/sh.h (current_function_varargs): Delete declaration.
9764 * config/sparc/sparc.h (current_function_outgoing_args_size,
9765 current_function_calls_alloca, current_function_decl): Delete
9767 * config/spur/spur.h (current_function_pretend_args_size,
9768 current_function_calls_alloca): Delete declarations.
9769 * config/v850/v850.c (current_function_outgoing_args_size): Delete
9771 * config/vax/vms.h (current_function_name): Delete declaration.
9772 * gcse.c: Include "function.h".
9773 (current_function_name, current_function_calls_setjmp): Delete
9775 * haifa-sched.c: Include "function.h".
9776 (forced_labels): Delete declaration.
9778 * reg-stack.c: Likewise.
9779 * reload1.c: Likewise.
9780 * genemit.c (main): Make generated file include function.h.
9781 * genoutput.c (output_prologue): Likewise.
9783 * builtins.c (saveregs_value, apply_args_value): Delete variables.
9784 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
9785 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
9786 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
9787 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
9788 macros for some of them.
9789 (emit_filename, emit_lineno): Delete declarations.
9790 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
9791 regno_pointer_* variables through current_function.
9792 (gen_inline_header_rtx): Delete function.
9793 (save_emit_status): Delete function.
9794 (set_new_last_label_num): New function.
9795 (clear_emit_caches): New function.
9796 (restore_emit_status): Just clear last_labelnum and call
9798 (get_last_insn_anywhere): Variable sequence_stack is now accessed
9799 through macro seq_stack.
9800 (add_insn_after): Likewise.
9801 (add_insn_before): Likewise.
9802 (remove_insn): Likewise.
9803 (pop_topmost_sequence): Likewise.
9804 (in_sequence_p): Likewise.
9805 (start_sequence_for_rtl_expr): Likewise.
9806 (start_sequence): Likewise, and likewise for
9807 sequence_rtl_expr/seq_rtl_expr.
9808 (push_topmost_sequence): Likewise.
9809 (end_sequence): Likewise.
9810 (init_virtual_regs): Now takes a "struct emit_status *" argument.
9811 All callers changed. Store into that pointer instead of globals.
9812 (init_emit): Allocate emit elt of current_function.
9813 Changes for sequence_rtl_expr/sequence_stack renaming.
9814 Call clear_emit_caches instead of doing it in-line.
9815 Access regno_pointer_* variables through current_function.
9816 (init_emit_once) Don't clear sequence_stack.
9818 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
9820 (arg_pointer_save_area): Delete declaration.
9821 (finish_expr_for_function): Renamed from init_queue; no longer static.
9822 (init_expr): Don't call init_queue.
9823 (save_expr_status, restore_expr_status): Delete functions.
9824 (expand_expr): Changes to reflect new layout of struct function.
9825 Don't access current_function_check_memory_usage when current_function
9827 * expr.h (forced_labels, save_expr_regs, saveregs_value,
9828 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
9829 current_function_outgoing_args_size, current_function_arg_offset_rtx,
9830 current_function_uses_const_pool, function_call_count,
9831 current_function_uses_pic_offset_table, nonlocal_labels,
9832 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
9833 current_function_check_memory_usage, nonlocal_goto_handler_slots,
9834 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
9836 (finish_expr_for_function): Declare.
9837 * flags.h (current_function_has_nonlocal_label,
9838 current_function_has_nonlocal_goto, current_function_is_thunk,
9839 current_function_has_computed_jump): Delete declarations.
9840 * flow.c (forced_labels): Delete declaration.
9841 * function.c (current_function_pops_args,
9842 current_function_returns_struct, current_function_returns_pcc_struct,
9843 current_function_needs_context, current_function_calls_setjmp,
9844 current_function_calls_longjmp, current_function_has_nonlocal_label,
9845 current_function_has_nonlocal_goto, current_function_is_thunk,
9846 current_function_has_computed_jump, current_function_calls_alloca,
9847 current_function_contains_functions, current_function_returns_pointer,
9848 current_function_epilogue_delay_list, current_function_args_size,
9849 current_function_pretend_args_size, current_function_arg_offset_rtx,
9850 current_function_outgoing_args_size, current_function_varargs,
9851 current_function_stdarg, current_function_args_info, cleanup_label,
9852 current_function_name, current_function_uses_const_pool,
9853 current_function_instrument_entry_exit, current_function_return_rtx,
9854 current_function_uses_pic_offset_table, nonlocal_labels,
9855 current_function_internal_arg_pointer, current_function_cannot_inline,
9856 current_function_check_memory_usage, function_call_count,
9857 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
9858 nonlocal_goto_stack_level, return_label, save_expr_regs,
9859 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
9860 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
9861 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
9862 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
9863 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
9865 (push_function_context_to): Don't save them. Don't call
9866 save_storage_status, save_emit_status or save_expr_status.
9867 (pop_function_context_from): Don't restore them. Don't call
9868 restore_storage_status or restore_expr_status.
9869 (get_func_frame_size): New function.
9870 (get_frame_size): Use it.
9871 (assign_outer_stack_local): Reflect some member name changes in struct
9873 (put_reg_into_stack): Likewise.
9874 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
9876 (fixup_var_refs): Likewise.
9877 (fix_lexical_addr): Likewise.
9878 (trampoline_address): Likewise.
9879 (prepare_function_start): Clear field inlinable of current_function.
9880 (init_function_for_compilation): New function.
9881 (expand_dummy_function_end): New function.
9882 (expand_function_end): Call finish_expr_for_function.
9883 * function.h (struct emit_status): New; fields moved here from struct
9884 function and from global variables. Add accessor macros for some of
9886 (struct expr_status): Likewise.
9887 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
9888 (struct function): Add fields expr and emit, inlinable, inl_emit,
9889 original_arg_vector, original_decl_initial, inl_last_parm_insn,
9890 inl_max_label_num. Add many comments.
9891 Add accessor macros for all elts of struct function that no longer
9892 have a global variable.
9893 (cleanup_label, return_label, frame_offset, tail_recursion_label,
9894 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
9895 stack_slot_list): Delete declarations.
9896 (get_func_frame_size): Declare.
9897 (save_expr_status, restore_expr_status, save_emit_status,
9898 save_storage_status, restore_storage_status): Delete declarations.
9899 (init_virtual_regs): Declare.
9900 * output.h (current_function_pops_args,
9901 current_function_returns_struct, current_function_returns_pcc_struct,
9902 current_function_needs_context, current_function_calls_setjmp,
9903 current_function_calls_longjmp, current_function_calls_alloca,
9904 current_function_has_nonlocal_label, current_function_varargs,
9905 current_function_has_computed_jump, current_function_returns_pointer,
9906 current_function_contains_functions, current_function_args_size,
9907 current_function_pretend_args_size, current_function_stdarg,
9908 current_function_outgoing_args_size, current_function_args_info,
9909 current_function_name, current_function_return_rtx,
9910 current_function_epilogue_delay_list,
9911 current_function_uses_const_pool, current_function_cannot_inline):
9912 Delete declarations.
9913 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
9914 regno_reg_rtx): Delete declaration.
9915 (REGNO_POINTER_FLAG): Delete macro.
9916 * stmt.c (expand_goto): Changes to reflect that some fields in struct
9917 function were renamed.
9918 * stor-layout.c (save_storage_status, restore_storage_status): Delete
9920 * toplev.c: Include "function.h".
9921 (current_function_decl): Delete declaration.
9922 (compile_file): Call init_dummy_function_start and
9923 expand_dummy_function_end around some initializations that need to
9925 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
9926 Call init_function_for_compilation.
9927 * unroll.c: Include "function.h"
9928 (unroll_loop): Access regno_pointer_* variables through
9931 * tree.h (struct tree_decl): Add elt f to saved_insns member.
9932 (DECL_SAVED_INSNS): use it.
9933 (expand_dummy_function_end): Declare.
9934 (init_function_for_compilation): Declare.
9935 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
9936 that it's no longer an INLINE_HEADER.
9937 (expand_call): Likewise.
9938 * integrate.c (finish_inline): Delete function.
9939 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
9940 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
9941 args. Don't generate an INLINE_HEADER rtx, just return the arg
9942 vector. All callers changed.
9943 (save_for_inline_copying): Create a duplicate struct emit_status to
9944 hold the emit state for compiling the current function. Use this and
9945 the other new fields in struct function that are for integration
9946 instead of an INLINE_HEADER.
9947 Use memcpy instead of bcopy.
9948 Store the current struct function in DECL_SAVED_INSNS of fndecl.
9949 (save_for_inline_nocopy): Similar changes, except no new emit_status
9951 (expand_inline_function): Get information from function structure,
9952 not from an inline header rtx.
9953 (output_inline_function): Lose code to extract the necessary
9954 information from an inline header; simply put back the function
9955 structure into current_function. Clear its inlinable elt.
9956 * rtl.def (INLINE_HEADER): Delete.
9957 * rtl.h: Delete all accessors for an INLINE_HEADER.
9958 (gen_inline_header_rtx): Delete declaration.
9959 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
9960 Delete declarations.
9961 (REGNO_POINTER_ALIGN): Delete.
9962 (clear_emit_caches): Declare.
9963 (set_new_last_label_num): Declare.
9965 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
9967 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
9969 * except.c (expand_eh_region_start_for_decl): Always start a new block.
9970 * stmt.c (is_eh_region): Make sure current_function is present, too.
9972 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
9974 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
9975 for 64bit PA targets.
9977 * pa.h (SELECT_SECTION): Define.
9978 * som.h (SELECT_SECTION): Delete.
9980 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9982 * alias.c (init_alias_analysis): Wrap call to
9983 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
9985 1999-08-07 Bruce Korb <autogen@linuxbox.com>
9987 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
9988 <sys/asm.h> contains an asm comment with an apostrophe
9989 * fixinc/inclhack.sh: regen
9990 * fixinc/fixincl.x: regen
9992 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
9994 * function.c (init_function_start): Clear prologue & epilogue.
9995 (prologue_epilogue_contains): New function.
9996 * alias.c (init_alias_analysis): Use it.
9997 * rtl.h (prologue_epilogue_contains): Declare it.
9999 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
10001 * jump.c (onlyjump_p): New function.
10002 * rtl.h: Declare it.
10003 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
10004 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
10006 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
10008 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
10009 to invert loops. Simplify block scanning.
10011 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10013 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
10014 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
10016 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
10018 * config/sparc/liteelf.h: New file to support sparclite-elf target
10019 * config/sparc/t-sp86x: New file to support sparc86x targets
10020 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
10021 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
10022 * configure.in: Support above target triplets
10023 * configure: Regenerated
10025 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
10027 * fixinc/server.c (server_setup): Do not prefix function used as
10028 parameter with `&'.
10030 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
10032 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
10033 Remove fp reg alternatives.
10035 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
10037 * Makefile.in (TAROUTOPTS): Kill.
10038 (install-headers-tar): Use "xpf" for tar headerfile extraction
10039 * i370/x-oe (TAROUTOPTS): Delete.
10040 * m68k/x-apollo68 (TAROUTOPTS): Delete.
10041 * m68k/x-hp320 (TAROUTOPTS): Delete.
10042 * m68k/x-hp320g (TAROUTOPTS): Delete.
10043 * gcc.texi: Update bug reporting text.
10045 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10047 * reg-stack.c (change_stack) Fixed problem with negative array index.
10049 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
10051 * extend.texi, install.texi: Fix spelling mistakes.
10053 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
10054 (s-attrtab); No longer try to use pre-made insn-attrtab file.
10055 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
10056 PREMADE_ATTRTAB_MD.
10057 * mips/t-ecoff: Likewise.
10058 * mips/t-elf: Likewise.
10059 * mips/t-mips: Likewise.
10060 * mips/t-osfrose: Likewise.
10061 * mips/t-r3900: Likewise.
10062 * mips/t-svr3: Likewise.
10063 * mips/t-svr4: Likewise.
10064 * mips/t-ultrix: Likewise.
10066 * gcc.texi: Document recommend means to provide software floating
10067 point libraries in libgcc.a
10069 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
10071 * c-lex.c (yylex): We can have a number with no digits.
10073 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
10075 * jump.c (delete_prior_computation): New function, broken
10076 out of delete_computation. Check for side effects with
10077 side_effects_p instead of FIND_REG_INC_NOTE. Handle
10078 multi-word hard registers.
10079 (delete_computation): Use it. Check for side effects with
10080 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
10081 missing REG_DEAD note for a register which is both set and
10084 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
10086 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
10087 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
10088 (ASM_FILE_START): Import _mcount with the right type.
10089 (ASM_DECLARE_FUNCTION_NAME): Define.
10090 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
10091 * pa.c (output_function_prologue): Always emit the function's label
10093 * pa.h (TEXT_SPACE_P): Define.
10094 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
10095 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
10096 * som.h (TEXT_SPACE_P): Delete.
10097 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
10098 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
10100 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
10102 * expr.c (emit_group_load): Allow src to be a CONCAT.
10104 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10106 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
10107 (___mulsi3): Use '!' comment character.
10109 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10111 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
10113 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
10115 * gcc.c: Update URLs and mail addresses.
10116 * gcc.texi: Likewise.
10118 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
10120 * rs6000.c (current_file_function_operand): Return zero for
10122 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
10124 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
10127 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
10129 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
10130 allocate space in the stack frame for the PIC register.
10132 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
10134 * m68k.md (xordi3, anddi3): These patterns are not available on
10137 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
10139 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
10140 (PUT_REAL): Likewise.
10142 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10144 * final.c (shorten_branches): Don't add an alignment for loops
10145 that have no label inside.
10147 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10149 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
10150 prototypes in macro HAVE_cmpstrsi.
10152 * cpplib.c (cpp_get_token): Remove unused label `op3'.
10154 * emit-rtl.c (operand_subword): Remove unused variable
10157 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
10159 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
10161 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
10163 * cpphash.c (macroexpand): Delete leading whitespace when arg
10164 is concatenated before.
10165 (unsafe_chars): Correct test for whether + and - can extend a
10168 * cppinit.c (cpp_start_read): Do dependencies for
10169 -include/-imacros files also.
10171 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
10172 tokenizing non-directive lines.
10173 (cpp_expand_to_buffer): Temporarily disable no-output mode.
10174 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
10177 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
10179 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
10181 * c-lex.c: Sync with C++ frontend.
10182 (linemode): New variable.
10183 (parse_float): imag, conversion_errno, and type are output only.
10184 (yylex): Adjust. Move initial '.' case into main switch.
10186 (handle_generic_pragma): Just deal with tokens.
10187 (readescape): Use ISXDIGIT and ISGRAPH.
10188 * c-parse.in: Add END_OF_LINE token.
10190 * c-lex.c (lang_init): Generalize.
10191 (nextchar): Remove. Replace uses with UNGETC.
10192 (skip_white_space): Handle linemode here. Optimize for cpplib.
10193 (skip_white_space_on_line): Remove.
10194 (extend_token_buffer_to): New fn.
10195 (extend_token_buffer): Use it.
10196 (read_line_number, check_newline): Just deal with tokens.
10197 (token_getch, token_put_back): New fns.
10198 (yylex): Use them. More cpplib optimizations. Simplify.
10200 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
10201 Jason Merrill <jason@yorick.cygnus.com>
10203 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
10204 (consume_string): Make this smart about USE_CPPLIB.
10205 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
10206 (yylex): Rewrite to be intelligent about USE_CPPLIB.
10207 Also, clean up cases where we redundantly set token_buffer[0].
10208 (read_line_number): New fn.
10209 (ignore_escape_flag): New variable.
10211 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
10213 * a29k/t-a29kbare: Fix some comments.
10214 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
10215 (FPBIT, DPBIT): Define.
10216 * a29k/t-vx29k: Likewise.
10217 * arc/t-arc: Likewise.
10218 * arm/t-arm-elf: Likewise.
10219 * arm/t-bare: Likewise.
10220 * arm/t-pe: Likewise.
10221 * arm/t-pe-thumb: Likewise.
10222 * arm/t-semi: Likewise.
10223 * arm/t-thumb: Likewise.
10224 * arm/t-thumb-elf: Likewise.
10225 * arm/t-thumb-linux: Likewise.
10226 * h8300/t-h8300: Likewise.
10227 * i960/t-i960: Likewise.
10228 * i960/t-vxworks960: Likewise.
10229 * m32r/t-m32r: Likewise.
10230 * mips/t-ecoff: Likewise.
10231 * mips/t-elf: Likewise.
10232 * mips/t-r3900: Likewise.
10233 * pa/t-pro: Likewise.
10234 * rs6000/t-aix43: Likewise.
10235 * rs6000/t-beos: Likewise.
10236 * rs6000/t-newas: Likewise.
10237 * rs6000/t-ppccomm: Likewise.
10238 * rs6000/t-rs6000: Likewise.
10239 * rs6000/t-winnt: Likewise.
10240 * rs6000/t-xnewas: Likewise.
10241 * rs6000/t-xrs6000: Likewise.
10242 * sh/t-sh: Likewise.
10243 * sparc/t-elf: Likewise.
10244 * sparc/t-sparcbare: Likewise.
10245 * sparc/t-sparclite: Likewise.
10246 * sparc/t-splet: Likewise.
10247 * v850/t-v850: Likewise.
10248 * mn10200/t-mn10200: Fix comments.
10249 * mn10300/t-mn10300: Likewise.
10251 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
10252 dummy operand. Allocate a new pseudo for the dummy operand.
10253 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
10255 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
10257 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
10259 * configure: Rebuilt.
10260 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
10262 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
10264 * recog.c (preproces_constraints): Zero recog_op_alt before
10265 processing the constraints.
10267 * arm.c (typedef minipool_node): Renamed from pool_node.
10268 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
10269 (add_minipool_constant): New function.
10270 (dump_minipool): New function.
10271 (find_barrier): Remove special case for getting the insn size of
10272 an insn that references the constant pool.
10273 (minipool_fixup): New structure.
10274 (push_minipool_barrier): New function.
10275 (push_minipool_fix): New function.
10276 (note_invalid_constants): New function.
10277 (add_pool_constant, dump_table, fixit, broken_move): Delete.
10278 (arm_reorg): Rewrite code to fix up the constant pool into a
10279 series of mini-pools embedded in the insn stream.
10280 (arm_output_epilogue): New function, made mainly from the body
10281 of output_func_epilogue.
10282 (output_func_epilogue): Move insn generation part of epilogue code
10283 to arm_output_epilogue.
10284 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
10285 * arm.md (pool_range): New attribute.
10286 (zero_extendqidi2): Add attribute pool_range.
10287 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
10288 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
10289 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
10290 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
10291 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
10292 (epilogue): New expand.
10293 (epilogue_insn): New insn. Call arm_output_epilogue.
10295 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
10296 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
10298 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
10300 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
10302 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
10304 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
10306 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
10308 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
10310 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
10312 * global.c: Fix comment.
10314 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
10316 * gcc.c (access_check): New static function.
10317 (find_a_file): Use it when searching a directory list.
10318 * collect2.c (find_a_file): Don't accept directories found when
10319 searching a directory list.
10321 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
10323 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
10324 function parameters with `&'.
10325 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
10327 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
10329 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
10330 or tidy_fallthru_edge if the last insn in the block is not
10331 an unconditional jump or a simple conditional jump.
10333 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10335 * Makefile.in (c-decl.o): Depends on defaults.h.
10337 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
10339 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
10341 (CLASS_MAX_NREGS): Likewise.
10343 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
10345 * cse.c (cse_insn): Fix dumb thinko in last change.
10347 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10349 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
10352 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
10354 * dwarf2out.c (add_location_or_const_value_attribute): Correct
10355 test for sizes of passed and declared parameter types.
10357 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10359 * fixincludes: Fix the return type of bsearch, char* -> void*.
10361 * fixinc/inclhack.def: Likewise.
10363 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
10365 * invoke.texi (-fdump-translation-unit): New option.
10367 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
10369 * expr.h (PROMOTE_PROTOTYPES): Move ...
10370 * defaults.h: ... to here.
10371 * c-decl.c: Include defaults.h instead of expr.h.
10372 * c-typeck.c: Include defaults.h.
10374 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
10376 * toplev.h (errorcount): Declare.
10377 (warningcount): Likewise.
10378 (sorrycount): Likewise.
10379 * c-lex.c (errorcount): Don't declare.
10380 * dwarf2out.c (errorcount): Don't declare.
10382 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
10384 * config/libgloss.h: Add a note discouraging use with ELF.
10385 * configure.in: Don't use libgloss.h for ELF targets.
10386 Always use_collect2 on a.out targets.
10388 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
10390 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
10391 (force_to_mode, case ASHIFTRT): Add shiftrt label.
10393 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10395 * loop.c (strength_reduce): When doing biv->giv conversion, update
10396 reg note of NEXT->insn.
10398 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10400 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
10402 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10404 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
10405 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
10406 Ensure expr.h is included.
10407 * c-typecheck.c (convert_arguments): Ditto.
10409 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
10411 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
10412 * config/convex/convex.h: Ditto.
10413 * config/dsp16xx/dsp16xx.h: Ditto.
10414 * config/fx80/fx80.h: Ditto.
10415 * config/gmicro/gmicro.h: Ditto.
10416 * config/i370/i370.h: Ditto.
10417 * config/i386/i386.h: Ditto.
10418 * config/m32r/m32r.h: Ditto.
10419 * config/m68k/m68k.h: Ditto.
10420 * config/m88k/m88k.h: Ditto.
10421 * config/mips/mips.h: Ditto.
10422 * config/pa/pa.h: Ditto.
10423 * config/pyr/pyr.h: Ditto.
10424 * config/tahoe/tahoe.h: Ditto.
10425 * config/we32k/we32k.h: Ditto.
10427 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
10428 based on arch size.
10430 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
10432 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
10435 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
10437 1999-08-02 Richard Henderson <rth@cygnus.com>
10439 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
10440 for the register spill block.
10441 (m32r_va_arg): New.
10442 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
10443 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
10445 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
10446 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
10447 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
10449 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10451 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
10452 MAX_WCHAR_TYPE defined in sparc.h.
10453 * config/sparc/linuxaout.h: Likewise.
10454 * config/sparc/linux64.h: Likewise.
10455 Also default to -mvis if CPU is UltraSPARC.
10457 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10459 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
10460 (RTX_OK_FOR_OLO10): Likewise.
10461 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
10462 %lo(), allow it in addresses...
10463 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
10464 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
10465 does not make sense.
10466 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
10467 (sparc_output_scratch_registers): New function.
10468 (output_function_prologue, sparc_flat_output_function_prologue): Use
10470 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
10472 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
10473 * configure.in: Add check for .register pseudo-op support in as and
10474 check for offsetable %lo().
10475 * acconfig.h: Add templates for the above checks.
10476 * configure: Regenerate.
10478 1999-08-02 Richard Henderson <rth@cygnus.com>
10480 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
10481 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
10482 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
10484 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10486 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
10489 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
10491 * config/float-sparc.h: New file.
10492 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
10493 sparc-*-linux-gnu and sparc64-*-linux*.
10495 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10497 * rs6000.c (rs6000_va_list): Type is an array.
10498 (rs6000_va_start): Don't doubly adjust for varargs.
10499 (rs6000_va_arg): Evaluate long long GPR adjustment.
10501 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
10503 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
10504 -maix64 and -maix32.
10505 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
10506 LINK_SPEC): Change appropriately.
10507 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
10508 (u_short_cint_operand): Likewise.
10509 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
10511 * rs6000/t-aix43 (MULTILIB): Change to -m64.
10513 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
10515 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
10517 * rs6000/rs6000.c (num_insns_constant_wide): Correct
10518 for type promotion.
10519 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
10520 (non_add_cint_operand): Likewise.
10521 (logical_operand): Likewise.
10522 (non_logical_cint_operand): Likewise.
10523 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
10524 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
10525 (rs6000_select_rtx_section): Suppress warning.
10526 (small_data_operand): Suppress warning.
10527 (rs6000_got_register): Suppress warning.
10528 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
10529 type, so `J' is generally the wrong constraint for a SImode value;
10531 (andsi3_internal2): Likewise.
10532 (andsi3_internal3): Likewise.
10533 (iorsi3_internal1): Likewise.
10534 (xorsi3_internal1): Likewise.
10536 (movsf_softfloat): Likewise.
10537 (scc insns): Likewise.
10538 (movsi+2): Preserve sign bits of SImode constant.
10539 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
10540 (movdf+1): Sign-extend properly.
10541 (movdi_32+1): Sign-extend properly.
10542 (scc insns): Sign-extend properly.
10544 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
10547 1999-08-02 Richard Henderson <rth@cygnus.com>
10549 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
10550 -mcpu parsing code.
10551 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
10552 * alpha.md (all fp insns): Likewise.
10554 1999-08-02 Nick Clifton <nickc@cygnus.com>
10556 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
10559 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
10561 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
10562 pic_load_label generator directly.
10563 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
10564 No longer a named pattern.
10566 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
10568 * explow.c (force_reg): Call force_operand if X does not
10569 satisfy general_operand.
10571 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
10573 * fix-header.c (main): When testing for CONTINUED, use string
10574 equality, not pointer equality.
10576 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
10578 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
10580 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
10582 * cse.c (cse_insn): Fix loop which deletes insns after a jump
10583 that has become an unconditional jump.
10585 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
10586 (output_function_epilogue): Similarly.
10588 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10590 * tree.h (init_dummy_function_start): Declare.
10592 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10594 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
10595 last_expr_type, last_expr_value, block_start_count, block_stack,
10596 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
10597 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
10598 dynamically in stmt elt of struct function for each function.
10599 (struct nesting): Rename function_call_count elt to n_function_calls,
10600 target_temp_slot_level to block_target_temp_slot_level. All users
10602 (struct stmt_status): New structure definition.
10603 Add many accessor macros for stmt_status elements which previously
10604 were global variables.
10605 (init_stmt_for_function): Allocate stmt elt for current_function.
10606 Reflect that block_start_count was renamed to
10607 current_block_start_count.
10608 (save_stmt_status, restore_stmt_status): Delete functions.
10609 (preserve_subexpressions_p): Don't access loop_stack when outside
10611 (expand_start_bindings): Reflect that block_start_count was renamed to
10612 current_block_start_count.
10613 (expand_fixup): Likewise.
10614 (expand_decl): Don't access block_stack when outside a function.
10615 (expand_decl_cleanup): Likewise.
10616 (expand_dcc_cleanup): Likewise.
10617 (expand_dhc_cleanup): Likewise.
10618 (expand_anon_union_decl): Likewise.
10619 (set_file_and_line_for_stmt): New function.
10620 (in_control_zone_p): New function.
10622 * function.h (struct function): Add new elt stmt.
10623 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
10624 case_stack, nesting_stack, nesting_depth, block_start_count,
10625 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
10626 emit_lineno, goto_fixup_chain.
10627 (save_eh_status, restore_eh_status, save_stmt_status,
10628 restore_stmt_status): Delete declarations.
10629 * function.c (push_function_context_to): Don't call save_stmt_status.
10630 (pop_function_context_to): Don't call restore_stmt_status.
10631 * tree.h (in_control_zone_p): Declare.
10632 * rtl.h (set_file_and_line_for_stmt): Declare.
10634 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
10635 call set_file_and_line_for_stmt.
10637 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
10639 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
10640 Also update copyright.
10642 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10644 * c-pragma.c: Don't include "except.h".
10645 * emit-rtl.c: Likewise.
10646 * stor-layout.c: Likewise.
10647 * tree.c: Likewise.
10648 * varasm.c: Likewise.
10650 * flow.c: Include "function.h".
10651 * tree.h (init_dummy_function_start): Declare new function.
10653 * except.h (struct eh_status): New structure.
10654 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
10656 (eh_return_stub_label, ehstack, catchstack, ehqueue,
10657 catch_clauses, false_label_stack, caught_return_label_stack,
10658 protect_list, current_function_ehc): Add accessor macros for the
10659 corresponding fields in current_function->eh; delete declarations
10660 for all items that used to be declared here.
10661 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
10662 catch_clauses, false_label_stack, caught_return_label_stack,
10663 protect_list, current_function_ehc): Delete variables.
10664 (init_eh_for_function): Allocate current_function->eh.
10665 (save_eh_status, restore_eh_status): Delete functions.
10667 * function.h (struct function): Add fields next_global and eh.
10668 Delete all exception handling related fields.
10669 * function.c (current_function): New variable.
10670 (all_functions): New variable.
10671 (push_function_context_to): Don't allocate a struct function,
10672 use current_function instead. Call init_dummy_function_start when
10673 outside a function. Clear current_function before returning.
10674 (pop_function_context_from): Restore current_function.
10675 Don't free the restored struct function.
10676 (prepare_function_start): New function.
10677 (init_dummy_function_start): New function.
10678 (init_function_start): Break out some code into prepare_function_start
10681 * stmt.c (save_stmt_status): Don't call save_eh_status.
10682 (restore_stmt_status): Don't call restore_eh_status.
10684 * Makefile.in: Update dependencies.
10686 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
10688 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
10689 of depending on a magic constant value. Update comments.
10690 (hppa_expand_prologue): Similarly.
10692 * pa.md (reload_indi, reload_outdi): Allow any register for the
10693 original reload register.
10695 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
10697 * cccp.c (print_help): Change marcos to macros.
10699 1999-07-30 Richard Henderson <rth@cygnus.com>
10701 * c-typeck.c (initializer_constant_valid_p): Move ...
10702 * c-common.c (initializer_constant_valid_p): ... here. Use
10703 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
10704 of label addresses.
10705 * c-common.h (initializer_constant_valid_p): Declare.
10706 * c-tree.h (initializer_constant_valid_p): Remove.
10708 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
10710 * config/i386/sol2-c1.asm: Align the stack.
10711 * config/i386/sol2-gc1.asm: Likewise.
10713 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
10715 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
10716 -Asparclite for sparc86x.
10717 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
10719 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
10721 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
10723 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
10724 the user if using the non-default arch size in BI_ARCH configuration.
10725 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
10727 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
10728 Fix patterns so that they actually match.
10729 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
10730 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
10731 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
10733 (mulsidi3): Reflect this in the expand.
10734 (smulsi3_highpart): Only on TARGET_ARCH32.
10735 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
10736 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
10737 (umulsidi3): Reflect this in the expand.
10738 (umulsi3_highpart): Only on TARGET_ARCH32.
10739 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
10740 don't require g0 to be zero.
10741 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
10742 ({,u}divsi3): New expands.
10743 ({,u}divsi3_sp64): New patterns.
10744 (after lshrdi3_v8plus): Four new patterns to help combiner
10745 optimizing nested mixed mode shifts.
10747 * config/sparc/sparc.c (sparc_override_options): Use deprecated
10748 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
10749 speed things up. Don't use them by default on plain v9 in 64bit
10750 mode, according to what SPAMv9 sais.
10752 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
10753 top 32 bits of %[og][0-7] in signal handlers.
10754 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
10756 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
10758 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
10759 (ashlsi3): Corresponding changes.
10761 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
10763 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
10765 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
10767 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10769 * arm.h (Hint): Delete macro.
10770 Substitute HOST_WIDE_INT for Hint in some prototypes.
10771 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
10773 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
10775 * builtins.c (expand_builtin_setjmp): Use force_operand to
10776 make sure that the buffer address is in a suitable form to be
10777 passed to force_reg.
10779 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
10781 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
10784 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
10786 * pa.md (indirect_jump): Remove mode from match_operand. Verify
10787 proper mode in the condition string.
10788 (icacheflush, dcacheflush): Remove modes from match_operands.
10790 * pa.c (emit_move_sequence): Always convert scratch_reg to the
10791 proper mode before using it.
10793 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
10796 * pa.c (store_reg): Do not call add_high_const generator directly.
10797 (load_reg, set_reg_plus_d): Likewise.
10798 * pa.md (add_high_const): No longer a named pattern.
10800 * pa.c (legitimize_address): Consistently use Pmode rather than
10801 SImode. Do not call gen_pic2_highpart directly anymore.
10802 * pa.md (pic2_highpart): No longer a named pattern.
10803 (pic2_lo_sum): Similarly. Reformat to make more readable.
10805 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
10810 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10812 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
10814 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
10816 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
10817 and tag the spill mems.
10818 (hppa_va_start): New.
10819 (hppa_va_arg): New.
10820 * pa.h (EXPAND_BUILTIN_VA_START): New.
10821 (EXPAND_BUILTIN_VA_ARG): New.
10823 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
10825 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
10826 and tag the spill mems.
10827 (mn10300_va_start): New.
10828 (mn10300_va_arg): New.
10829 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
10830 (EXPAND_BUILTIN_VA_ARG): New.
10832 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
10834 * mn10200.c (mn10200_va_arg): New.
10835 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
10837 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
10839 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
10840 rather than play with TREE_INT_CST_LOW.
10842 1999-07-27 Philip Blundell <pb@nexus.co.uk>
10844 * config/arm/telf.h: Include dbxelf.h.
10845 (CPP_PREDEFINES): Only define if not already defined.
10846 (ASM_IDENTIFY_GCC): Likewise.
10847 (SUBTARGET_EXTRA_SECTIONS): Likewise.
10848 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
10849 * config/arm/thumb.h (LINK_SPEC): Only define if not already
10851 (DBX_DEBUGGING_INFO): Don't define.
10852 * config/arm/linux-telf.h: New file.
10853 * config/arm/linux-tgas.h: New file.
10854 * config/arm/t-thumb-linux: New file.
10855 * config/arm/uclinux-elf.h: New file.
10856 * config/arm/uclinux-telf.h: New file.
10857 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
10858 thumb-*-uclinux): New targets.
10859 * configure: Regenerate.
10861 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
10863 * pa.md (post_store, pre_load): New expanders.
10864 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
10865 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
10866 need to directly generate RTL for them.
10867 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
10870 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
10872 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
10873 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
10874 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
10875 (secndary_reload_class): Make TARGET_ELF conditional compile.
10876 (print_operand_address): Similar.
10877 (output_toc): Print all values as hex.
10878 (get_issue_rate): Rearrange and add RS64A and PPC630.
10879 * rs6000.h (processor_type): Add RS64A and PPC630.
10880 (PROCESSOR_POWERPC64): New.
10881 (PROMOTE_MODE): Use word_mode.
10882 (RTX_COSTS): Add RS64A and PPC630.
10883 * rs6000.md (scheduling information): Add lmul and ldiv
10884 representing 64-bit integer multiply and divide. Add rs64a and
10885 PPC630 information.
10886 (ashldi3): Add support for "rldic" instruction.
10887 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
10889 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
10891 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
10892 instead of V8 for sparclite86x in cpu_table.
10894 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10896 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
10897 output_file_directive.
10899 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
10901 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
10902 tree for op1, not the rtl.
10904 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
10906 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
10907 to m88k_va_start, leaving only the register spill.
10908 (m88k_build_va_list): New.
10909 (m88k_va_start): New.
10910 (m88k_va_arg): New.
10911 * m88k.h (BUILD_VA_LIST_TYPE): New.
10912 (EXPAND_BUILTIN_VA_START): New.
10913 (EXPAND_BUILTIN_VA_ARG): New.
10915 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
10917 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
10918 Rename from expand_builtin_saveregs.
10919 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
10921 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
10923 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
10924 for the register spill block.
10925 (i960_build_va_list): New.
10926 (i960_va_start): New.
10927 (i960_va_arg): New.
10928 * i960.h (BUILD_VA_LIST_TYPE): New.
10929 (EXPAND_BUILTIN_VA_START): New.
10930 (EXPAND_BUILTIN_VA_ARG): New.
10931 * i960.md (store_multiple): Use change_address on individul mems.
10933 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
10935 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
10937 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
10938 (expand_builtin_va_end): Evaluate arg for side effects.
10939 * c-common.c (c_common_nodes_and_builtins): Construct a
10940 va_list_arg_type_node to handle array decomposition to pointer.
10942 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
10944 * except.c (start_dynamic_cleanup): Use force_operand on the
10947 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
10949 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
10950 * c4x.c (c4x_va_arg): New.
10952 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
10954 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
10955 has manual_pop set.
10957 1999-07-26 Nathan Sidwell <nathan@acm.org>
10959 * eh-common.h (__eh_matcher): Prototype correctly.
10961 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
10963 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
10964 (TARGET_SINGLE_PIC_BASE): Likewise.
10965 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
10967 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
10968 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
10969 (TARGET_OPTIONS): Add -mpic-register=N.
10970 (OUTPUT_INT_ADDR_CONST): New macro.
10971 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
10972 LEGITIMATE_PIC_OPERAND_P): Likewise.
10973 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
10974 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
10975 output_addr_const directly.
10976 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
10978 (thumb_pic_register, thumb_pic_register_string): Declare.
10980 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
10982 (label_mentioned_p): New function: Imported from arm.c.
10983 (legitimize_pic_address): New function: Imported from arm.c.
10984 (is_pic):New function: Imported from arm.c.
10985 (thumb_finalize_pic):New function: Imported from arm.c.
10986 (add_constant): Cope with PIC constants.
10987 (fixit): Cope with PIC constants.
10988 (output_return): Do not treat the PIC register as live if
10989 TARGET_SINGLE_PIC_BASE is true.
10990 (thumb_function_prologue): Do not treat the PIC register as live if
10991 TARGET_SINGLE_PIC_BASE is true.
10992 (thumb_expand_prologue): Do not treat the PIC register as live if
10993 TARGET_SINGLE_PIC_BASE is true.
10994 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
10995 TARGET_SINGLE_PIC_BASE is true.
10996 (thumb_print_operand): Accept '|'.
10997 (thumb_override_options): Process PIC options.
10999 * config/arm/thumb.md (movsi): Support PIC.
11000 (call_insn): Change "i" constraint to "X".
11001 (call_value_insn): Likewise.
11002 (consttable_4, consttable_8, consttable_end): Set and clear
11003 "making_const_table" as appropriate.
11004 (pic_load_addr, pic_add_dot_plus_four): New insns.
11006 * invoke.texi (Thumb Options): Fix spelling. Document new
11007 options -msingle-pic-base and -mpic-register=.
11009 1999-07-26 Andrew Haley <aph@cygnus.com>
11011 * config/m32r/initfini.c (__init): Use a full word immediate for
11012 __fini: this allows it to be placed in any memory region.
11014 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
11015 -mmodel=medium. This is OK for all memory models.
11017 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
11019 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
11020 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
11022 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
11024 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
11027 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
11029 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
11031 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
11032 (BUILD_VA_LIST_TYPE): New.
11033 (EXPAND_BUILTIN_VA_START): New.
11034 (EXPAND_BUILTIN_VA_ARG): New.
11035 * i860.c (output_delayed_branch): Disable.
11036 (output_delay_insn): Likewise.
11037 (i860_saveregs): New.
11038 (i860_build_va_list): New.
11039 (i860_va_start): New.
11040 (i860_va_arg): New.
11041 * i860.md: Disable all peepholes using output_delayed_branch.
11042 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
11044 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
11046 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
11047 (BUILD_VA_LIST_TYPE): New.
11048 (EXPAND_BUILTIN_VA_START): New.
11049 (EXPAND_BUILTIN_VA_ARG): New.
11050 * clipper.c (clipper_builtin_saveregs): Only dump registers.
11051 Return the address of the save area.
11052 (clipper_build_va_list): New.
11053 (clipper_va_start): New.
11054 (clipper_va_arg): New.
11056 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
11058 * arc.h (EXPAND_BUILTIN_VA_START): New.
11059 (EXPAND_BUILTIN_VA_ARG): New.
11060 * arc.c (arc_setup_incoming_varargs): Set alias set of
11062 (arc_va_start): New.
11065 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
11067 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
11068 (BUILD_VA_LIST_TYPE): New.
11069 (EXPAND_BUILTIN_VA_START): New.
11070 (EXPAND_BUILTIN_VA_ARG): New.
11071 * alpha.c (alpha_builtin_saveregs): Delete.
11072 (alpha_build_va_list): New.
11073 (alpha_va_start): New.
11074 (alpha_va_arg): New.
11076 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
11078 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
11080 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
11081 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
11083 * gcc.texi: More changes related to list conversion.
11084 * invoke.texi: Likewise.
11086 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
11088 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
11089 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
11090 (expand_builtin_next_arg): Accept ARGLIST not EXP.
11091 (stabilize_va_list): New function.
11092 (std_expand_builtin_va_start): New function.
11093 (expand_builtin_va_start): New function.
11094 (get_varargs_alias_set): New function.
11095 (std_expand_builtin_va_arg): New function.
11096 (expand_builtin_va_arg): New function.
11097 (expand_builtin_va_end): New function.
11098 (expand_builtin_va_copy): New function.
11099 (expand_builtin): Call them.
11100 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
11101 __builtin_{varargs_start,stdarg_start,end,copy}.
11102 (build_va_arg): New function.
11103 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
11104 (build_va_arg): Declare.
11105 * c-decl.c (ptr_type_node, va_list_type_node): New.
11106 * c-parse.gperf (__builtin_va_arg): New.
11107 * c-parse.in (VA_ARG): New token.
11108 (unary_expr): Recognize it.
11109 * expr.c (expand_expr): Expand VA_ARG_EXPR.
11110 * expr.h (std_expand_builtin_va_start): Declare.
11111 (std_expand_builtin_va_arg): Declare.
11112 (expand_builtin_va_arg): Declare.
11113 (get_varargs_alias_set): Declare.
11114 * tree.def (VA_ARG_EXPR): New.
11115 * tree.h (BUILT_IN_VARARGS_START): New.
11116 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
11117 (ptr_type_node, va_list_type_node): Declare.
11118 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
11119 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
11120 * m88k.h, m88k.c: Likewise.
11121 * mn10300.h, mn10300.c: Likewise.
11122 * pa.h, pa.c: Likewise.
11123 * rs6000.h, rs6000.c: Likewise.
11124 * sh.h, sh.c: Likewise.
11125 * sparc.h, sparc.c: Likewise.
11127 * emit-rtl.c (operand_subword): Copy alias set.
11128 (change_address): Likewise.
11130 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
11132 * pa.c (compute_frame_size): Scan all the used callee saved registers,
11133 not just the first one.
11135 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
11137 * config/arm/arm.h (TARGET_SWITCHES): Add
11138 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
11139 (TARGET_OPTIONS): Add -mpic-register=.
11140 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
11141 (arm_pic_register_string): Declare.
11142 (NEED_PLT_GOT): Delete, replace with ...
11143 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
11144 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
11145 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
11146 * config/arm/arm.c (arm_override_options): Add new option
11148 (arm_pic_register_string): New variable.
11149 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
11150 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
11151 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
11152 (output_return_instruction): Likewise.
11153 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
11154 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
11155 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
11157 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
11158 mention of -msched-prolog. Document new options -msingle-pic-base
11159 and -mpic-register=.
11161 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
11163 * haifa-sched.c (reemit_notes): Tidy.
11164 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
11167 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
11169 * explow.c (trunc_int_for_mode): New function.
11170 (plus_constant_wide): Use it.
11171 * combine.c (simplify_and_const_int): Likewise.
11172 (merge_outer_ops): Likewise.
11173 (simplify_shift_const): Likewise.
11174 * cse.c (simplify_unary_operation): Likewise.
11175 (simplify_binary_operation): Likewise.
11176 * emit-rtl.c (operand_subword): Likewise.
11177 * rtl.h: Declare it.
11179 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11181 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
11182 (use NUM_REGS instead of NUM_INTS).
11184 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11186 * builtins.c: New file.
11187 * expr.c (saveregs_value, apply_args_value): Delete definition,
11188 moved into builtins.c.
11189 (string_constant): No longer static.
11190 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
11191 apply_args_size, apply_result_size, result_vector,
11192 expand_builtin_apply_args, expand_builtin_apply,
11193 expand_builtin_return): Delete functions, moved into builtins.c.
11194 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
11195 * expr.h (saveregs_value, apply_args_value): Declare variables.
11196 (expand_builtin, string_constant): Declare functions.
11197 * Makefile.in: Update to build builtin.o.
11199 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
11201 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
11202 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
11203 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
11204 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
11206 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
11209 1999-07-21 Michael Meissner <meissner@cygnus.com>
11211 * print-rtl.c (print_rtx): Print the names of the virtual
11214 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
11216 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
11217 introduced in previous delta.
11219 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11221 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
11222 to avoid name clash.
11224 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
11226 * c-lex.c (yylex) : Correct the test for overflow when lexing
11229 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
11231 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
11232 (adjust_priority): Always call ADJUST_PRIORITY.
11233 (schedule_insn): Only put insns into the ready at cost 0.
11234 (schedule_block): Remove redundant initial sort. Give clock_var
11235 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
11237 * tm.texi (MD_SCHED_REORDER): Update docs.
11239 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
11240 * sparc.c (ultra_reorder_called_this_block): Delete.
11241 (ultrasparc_sched_init): Don't set it.
11242 (ultrasparc_sched_reorder): Don't check it.
11244 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
11246 * rs6000.h (struct rs6000_args): Add sysv_gregno.
11247 * rs6000.c (init_cumulative_args): Init sysv_gregno.
11248 (function_arg_boundary): Align DFmode.
11249 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
11250 to get fp reg and stack overflow correct.
11251 (function_arg): Likewise.
11252 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
11253 (setup_incoming_varargs): Restructure for ABI_V4; use
11254 function_arg_advance to skip final named argument.
11255 (expand_builtin_saveregs): Properly unskip the last integer arg
11256 when doing varargs. Adjust overflow location calculation.
11258 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
11259 explicitly unsigned.
11260 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
11261 (__VA_GP_REGSAVE): Similarly.
11262 (__va_longlong_p): Delete.
11263 (__va_arg_type_violation): New declaration.
11264 (va_arg): Restructure. Flag promotion errors. Align double.
11265 TFmode passed by reference.
11267 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
11268 in the HOST_BITS_PER_WIDE_INT > 32 case.
11270 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
11272 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
11274 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
11276 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
11277 * toplev.c (documented_lang_options): Add -fpreprocessed.
11278 * cpplib.h (struct cpp_buffer): Add preprocessed.
11279 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
11280 (cpp_start_read): Don't expand macros or emit an initial #line
11281 directive if -fpreprocessed.
11283 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
11285 * cpplib.h (struct cpp_buffer): Added manual_pop for
11286 better C++ tokenization.
11287 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
11288 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
11289 * c-common.c (cpp_token): Make non-static.
11291 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11293 * c-common.h: New file.
11294 * c-common.c (permanent_obstack): Delete unused declaration.
11295 (c_global_trees): New array.
11296 (c_common_nodes_and_builtins): New function; split off common code
11297 from init_decl_processing in both c-decl.c and cp/decl.c.
11298 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
11299 c_global_trees and accessor macros defined in c-common.h.
11300 Include c-common.h.
11301 * c-decl.c: Delete definitions for tree nodes that were replaced by
11303 (init_decl_processing): Build void_list_node.
11304 Call c_common_nodes_and_builtins; delete code to generate the common
11306 * objc/objc-act.c (build_module_descriptor): Rename variable
11307 void_list_node to avoid clash with c-common.h.
11309 * Makefile.in: Update dependencies.
11310 * objc/Make-lang.in: Likewise.
11312 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
11314 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
11315 (UNIQUE_SECTION_P): Likewise.
11316 (UNIQUE_SECTION): Likewise.
11318 1999-07-19 Linas Vepstas <linas@linas.org>
11320 * config/i370/README: New file.
11321 * config/i370/linux.h: New file.
11322 * config/i370/mvs.h: New file.
11323 * config/i370/oe.h: New file.
11324 * config/i370/t-linux: New file.
11325 * config/i370/t-mvs: New file.
11326 * config/i370/t-oe: New file.
11327 * config/i370/x-oe: New file.
11328 * config/i370/xm-linux.h: New file.
11329 * config/i370/xm-mvs.h: New file.
11330 * config/i370/xm-oe.h: New file.
11332 * i370.c (label_node_t): Add first_ref_page, label_addr,
11333 label_first_ref, label_last_ref members.
11334 (mvs_need_base_reload): Renamed from mvs_label_emitted.
11335 (MAX_MVS_LABEL_SIZE): Define.
11336 (MAX_LONG_LABEL_SIZE): Define.
11337 (alias_node_t, alias_anchor, alias_number): New.
11338 (mvs_function_table): Reorder for EBCDIC.
11339 (ascebc, ebcasc): Unconditionally define.
11340 (i370_branch_dest, i370_branch_length): New functions.
11341 (i370_short_branch, i370_label_scan): New functions.
11342 (mvs_get_label): Renamed from mvs_add_label. Search for
11343 an existing label before creating a new one.
11344 (mvs_add_label): New function.
11345 (mvs_get_label_page): New function.
11346 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
11347 over the entire list.
11348 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
11349 (mvs_check_page) [TARGET_ELF_ABI]: New function.
11350 (mvs_add_alias, mvs_need_alias): New functions.
11351 (mvs_get_alias, mvs_check_alias): New functions.
11352 (handle_pragma): New function.
11353 (mvs_function_check): New function.
11354 (unsigned_jump_follows_p): Search harder.
11355 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
11356 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
11357 * i370.h (TARGET_VERSION): Delete.
11358 (CPP_SPEC, CPP_PREDEFINES): Delete.
11359 (mvs_label_emitted): Delete.
11360 (TARGET_EBCDIC): Delete.
11361 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
11362 (HANDLE_PRAGMA): Define.
11363 (HARD_REGNO_NREGS): Handle complex modes.
11364 (HARD_REGNO_MODE_OK): Likewise.
11365 (CLASS_MAX_NREGS): Likewise.
11366 (RET_REG): Likewise.
11367 (EXTRA_CONSTRAINT): Define.
11368 (RETURN_IN_MEMORY): True for DImode.
11369 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
11370 (FUNCTION_PROFILER): Delete.
11371 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
11372 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
11373 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
11374 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
11375 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
11376 (ASM_FILE_START): Add "RMODE ANY".
11377 (ASM_OUTPUT_EXTERNAL): Check for aliases.
11378 (ASM_GLOBALIZE_LABEL): Likewise.
11379 (ASM_OUTPUT_LABELREF): Likewise.
11380 (ASM_OUTPUT_COMMON): Likewise.
11381 (PRINT_OPERAND): Handle 'K', 'W', default.
11382 (PRINT_OPERAND_ADDRESS): New.
11383 (Lots of defines): Add support for TARGET_ELF_ABI.
11384 * i370.md (attr length): New. Define for all patterns.
11385 (*): Lots of tweeks to assembly output and constraints.
11387 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
11389 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
11390 Disable patterns performing SImode comparisons with SImode values
11391 if TARGET_POWERPC64 and instruction does not sign-extend or does
11392 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
11393 differ for signed quantities.
11394 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
11395 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
11396 (decrement_and_branch_on_count): Add 64-bit variant.
11398 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11400 * final.c (output_asm_insn): When searching for the matching string
11401 for a given dialect, don't run past the end of the list of
11402 alternatives if there are fewer alternatives in the template than
11405 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
11407 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
11408 Removed paragraph about compression of files and size limitation,
11409 duplicated in the FAQ. Use gcc-patches for posting patches.
11410 * gcc.c (main): Updated URL with bug reporting instructions to
11411 gcc.gnu.org. Removed e-mail address.
11412 * system.h (abort): Likewise.
11414 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11416 * Makefile.in (stmp-multilib-sub): Make the files extracted
11417 from $(LIBGCC1) writable.
11419 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
11421 * config/arm/aout.h: Reformat for improved readability.
11423 * config/arm/arm.h: Reformat for improved readability.
11424 Replace uses of fprintf with asm_fprintf where appropriate.
11425 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
11426 function declaration assembler actions.
11427 (NUM_INTS): New macro: Convert from bytes to words.
11428 (NUM_REGS): New macro: Compute number of registers required to
11429 hold a quanitity of tyep MODE.
11430 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
11432 (NUM_ARG_REGS): New macro: The number of argument registers
11434 (ARG_REGISTER): New macro: Compute the register number of the Nth
11436 (LAST_ARG_REGNUM): New macro: The number of the last argument
11438 (SP_REGNUM): New macro: Register number of the stack pointer.
11439 (FP_REGNUM): New macro: Register number of the frame pointer.
11440 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
11441 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
11442 CUMULATIVE_ARGS so that it counts registers not bytes.
11444 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
11446 Replace uses of fprintf with asm_fprintf where appropriate.
11447 (output_ascii_pseudo_op): Replace with version from thumb.c
11449 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
11451 * config/arm/elf.h (CPP_PREDEFINES): Replace with
11452 SUBTARGET_CPP_SPEC.
11453 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
11454 (ASM_FILE_START): Emit ASM_APP_OFF.
11456 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
11458 * pa.c (compute_frame_size): Round frame according to
11459 STACK_BOUNDARY rather than a hardwired value.
11461 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
11463 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
11465 * configure: Rebuilt.
11467 * configure.in (hppa*-*-linux*): New configuration.
11468 * configure: Rebuilt.
11469 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
11470 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
11471 * pa/pa-linux.h: New file.
11472 * pa/t-linux: New file.
11473 * pa/xm-linux.h: New file.
11475 * pa.c (hppa_legitimize_address): Change references from SImode to
11476 either Pmode or word_mode as appropriate.
11477 (emit_move_sequence, store_reg, load_reg): Likewise.
11478 (set_reg_plus_d, hppa_expand_prologue): Likewise.
11479 (output_mul_insn): Likewise.
11480 * pa.h (PROMOTE_MODE): Likewise.
11481 (INITIALZE_TRAMPOLINE): Likewise.
11482 (Pmode): Define to word_mode.
11484 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
11485 value of 4. Allocate 8 bytes for each FP register save.
11486 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
11488 (hppa_expand_prologue): Likewise.
11489 * pa.h (PROMOTE_MODE): Likewise.
11490 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
11491 (FUNCTION_ARG_BOUNDARY): Likewise.
11493 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
11495 * pa.c (out_of_line_prologue_epilogue): Delete.
11496 (override_options): Remove -mspace related code.
11497 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
11498 (compute_frame_size): Only allocate space for register that
11499 actually need to be saved.
11500 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
11501 (TARGET_SWITCHES): Remove -mspace, -mno-space
11502 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
11503 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
11504 * pa/ee.asm, pa/ee_fp.asm: Delete.
11506 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
11508 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
11509 directive in column zero.
11511 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
11513 * m68k.c (output_function_prologue): Fix computation of save mask
11514 when generating PIC code.
11516 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
11518 * tree.c (build_type_attribute_variant): Move current_obstack restore
11519 after build_qualified_type call.
11521 1999-07-15 Mark Mitchell <mark@codesourcery.com>
11523 * configure.in: Use t-iris6, even with GNU LD.
11524 * config/mips/iris6gld.h: Fix typo in linker spec.
11525 * config/mips/t-iris6gld: Remove.
11527 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
11529 * rs6000.md (insv, extzv): Remove SImode dependence in named
11530 patterns. Explicitly generate DImode RTL if PowerPC64 and
11532 (insvdi): Reverse start and size in instruction template.
11534 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
11536 * invoke.texi: Typo fixes.
11538 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
11540 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
11541 handle at this time instead of silently generating incorrect code.
11542 (gen_imagpart): Likewise.
11544 * reload.c (find_reloads): Emit a USE for a pseudo register without
11545 a hard register if we could not create an optional reload for the
11548 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11550 * c-typeck.c (output_init_element, process_init_element):
11551 When advancing constructor_unfilled_fields for a RECORD_TYPE,
11552 check for nameless bit fields.
11554 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
11556 * regclass.c (scan_one_insn): Notice subregs that change the
11557 size of their operand.
11558 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
11560 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
11562 * configure.in (alpha*-*-*): Include alpha/t-ieee.
11563 * configure: Rebuilt.
11564 * alpha/t-ieee: New file.
11566 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
11568 * rs6000.c (find_addr_reg): Do not select r0 as an address
11571 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
11573 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
11575 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
11577 * rs6000.md (movsf): Do not force easy FP constants into memory.
11579 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
11580 immed_double_const to ensure they are properly truncated then
11583 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11585 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
11586 always unless NO_DEBUG is used. Compile this code
11588 (replace_symbols_in_block): Compile it unconditionally.
11590 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
11592 * configure.in (i?86-*-elf*): New target.
11593 * configure: Rebuilt.
11594 * i386/i386elf.h, i386/t-i386elf: New files.
11596 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11598 * toplev.c (main): Don't complain about saying -gdwarf.
11599 (rest_of_compilation): Remove redundant code.
11601 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
11603 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
11605 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
11607 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
11608 "Li960R:", to avoid name clash.
11610 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11612 * loop.c (check_dbra_loop): When reversing a loop, delete all
11613 REG_EQUAL notes referencing the reversed biv except those which are
11614 for a giv based on it.
11616 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
11618 * version.c: Drop "gcc-" prefix from version #.
11620 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
11622 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
11623 the label if we're being verbose.
11625 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
11627 * m68k.c (output_function_prologue): Add pic register to mask
11628 if live and flag_pic.
11629 (output_function_epilogue): Likewise.
11631 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
11633 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
11634 directives in column zero.
11636 * pa/elf.h (ASM_FILE_START): Define.
11637 * pa/som.h (ASM_FILE_START): Include .level directives.
11638 * pa/hpux10.h (ASM_FILE_START): Delete.
11639 * pa/hpux11.h (ASM_FILE_START): Delete.
11641 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
11643 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11645 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
11646 when reload_out equals reload_in.
11648 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
11650 * invoke.texi (Spec Files): New node: Describe the contents of
11653 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
11655 * invoke.texi (DEC Alpha Options): Put @end table at
11656 beginning of line, to avoid confusing texi2html.
11658 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
11660 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
11661 introduced in previous delta.
11663 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11665 * reload1.c (gen_reload): When synthesizing a 3 operand add
11666 sequence, improve test for when to reload OP1 into the reload
11667 register instead of OP0.
11669 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
11671 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
11673 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
11675 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
11678 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
11680 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
11681 (va_dcl): Use __builtin_va_alist_t.
11683 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
11685 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
11686 on the permanent_obstack.
11687 * dwarfout.c (output_type): Likewise.
11689 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
11691 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11692 Merged from c-typeck.c and cp/typeck.c.
11693 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11694 Merged into c-common.
11696 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
11698 * c-lex.c (errorcount): Declare it.
11699 (finish_parse): Update errorcount when using CPPLIB.
11701 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
11703 * fixinc/inclhack.def(end_else_label): Double the backslash so
11704 sed gets a chance to see it.
11705 * fixinc/inclhack.sh: regen
11706 * fixinc/fixincl.x: regen
11708 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
11710 Add framework to support armv5 architecture when it becomes
11713 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
11714 (arm_arch5): New variable.
11715 (all_architectures): Add armv5 line.
11716 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
11717 -march=armv5 is specified on the command line.
11718 (arm_arch5): Export this variable.
11719 * invoke.texi: Document new string accepted by -march= switch for
11722 * config/arm/arm.h: Replace use of constant 12 as a register
11723 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
11724 * config/arm/arm.c: Replace use of constant 12 as a register
11725 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
11727 * config/arm/elf.h: Tidy up.
11728 * config/arm/coff.h: Tidy up.
11730 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
11732 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
11733 * gcc/config/mips/t-iris6gld: New file.
11734 * gcc/config/mips/iris6gld.h: Likewise.
11736 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
11738 * c-decl.c (widest_integer_literal_type_node,
11739 widest_unsigned_literal_type) : New.
11740 (init_decl_processing): Handle/use the two new types.
11741 * c-common.c (type_for_size,type_for_mode) : Same.
11742 * c-lex.c (yylex) : Same.
11743 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
11745 * c-tree.h (widest_integer_literal_type_node,
11746 widest_unsigned_literal_type) : New.
11748 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
11750 * dwarfout.c (field_byte_offset): Correctly compute the object's
11751 byte offset for the first bit of a field which crosses an alignment
11752 boundary on a !BYTES_BIG_ENDIAN target.
11754 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
11756 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
11759 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
11760 Jeff Law <law@cygnus.com>
11762 * ginclude/varargs.h (va_dcl): Use word_mode for type of
11765 * except.c: Include intl.h.
11766 (expand_eh_return): Set current_function_cannot_inline.
11767 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
11768 * function.h (struct function): Add eh_return_stub_label.
11769 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
11770 * Makefile.in (except.o): Depend on intl.h.
11772 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
11774 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
11775 same as offsettable in cases 1 and 2.
11777 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
11779 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
11780 (extlh, extwh): Likewise.
11782 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
11784 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
11786 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
11788 * configure.in: Add arm-pe and thumb-pe targets.
11789 * configure: Regenerate.
11791 * thumb.c (arm_naked_function_p): New function: Determines if
11792 a function is naked (has no gcc generated prologue/epilogue).
11793 (is_called_in_ARM_mode): Return true if the func has the
11794 interfacearm attribute.
11795 (output_return): Do not generate a return for naked functions.
11796 (thumb_function_prologue): Do not generate a prologue for
11798 (thumb_expand_prologue): Do not generate a prologue for naked
11800 (thumb_expand_epilogue): Do not generate an epilogue for naked
11802 (arm_valid_machine_decl_attribute): New function, copied from
11803 arm.c: Permit naked and interfacearm attributes.
11805 * config/arm/pe.c: New file: Support code for arm-pe target.
11806 * config/arm/pe.h: New file: Header file for arm-pe target.
11807 * config/arm/tpe.h: New file: Header file for thumb-pe target.
11808 * config/arm/t-thumb-pe: New file: Makefile fragment for
11811 1999-07-01 Mark Kettenis <kettenis@gnu.org>
11813 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
11814 -fPIC or -fpic is specified.
11816 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
11818 * expr.c (emit_block_move): Use copy_to_mode_reg for
11819 !TARGET_MEM_FUNCTIONS case too.
11821 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
11823 * configure: Rebuilt.
11824 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
11825 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
11826 definitions made redundant by dbxelf.h inclusion. Delete
11827 lots of definitions related to assembly output that are
11828 specific to the SOM object format.
11829 * pa.c (output_function_prologue): Do not emit the function's
11831 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
11832 * pa-pro.h: Deleted.
11833 * som.h: New file with SOM specific definitions.
11834 * elf.h: New file with ELF specific definitions.
11836 * elfos.h (const_section): Output a tab before assembler directives.
11837 (ctors_section, dtors_section): Likewise.
11838 (ASM_OUTPUT_SECTION_NAME): Likewise.
11840 * pa/pa1.h: Delete unused file.
11842 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
11844 * configure.in (hppa*-hp-hpux11*): New configuration.
11845 * configure: Rebuilt.
11846 * pa/pa-hpux11.h: New file.
11847 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
11850 * mips.md (leasi, leadi): New patterns.
11852 * expr.c (emit_block_move): Properly handle case where one of the
11853 block move arguments has a queued increment or decrement.
11854 (clear_storage): Similarly. Fix formatting goof.
11856 1999-06-28 "David O'Brien" <obrien@NUXI.com>
11858 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
11859 semicolon from the BSD VA_LIST replacement expression.
11861 * fixinc/inclhack.sh: regen
11862 * fixinc/fixincl.x: regen
11864 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
11865 now use the fixincl program.
11867 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
11869 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
11870 case. Also make the PIC register call_used.
11872 * m68k.h (FINALIZE_PIC): Delete.
11873 * m68k.c (finalize_pic): Delete.
11875 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
11877 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
11880 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
11882 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
11884 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
11886 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
11888 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
11890 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
11892 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
11894 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
11896 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
11898 * rs6000.c (output_toc): Always use hex values for floating-point
11899 constants. Store single-precision values in upper-half of TOC
11900 entry in 64-bit mode.
11901 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
11902 to final constraints.
11903 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
11904 (fctiwz): Improve accuracy of RTL for pattern.
11906 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
11908 * expr.c (expand_expr): Allow RTL_EXPR's through the
11909 MAX_INTEGER_COMPUTATION_MODE checks.
11911 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
11913 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
11914 such that MASK_SUPPORT_ARCH is not negative.
11916 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
11918 * loop.c (verify_dominator): Properly handle ADDR_VEC and
11919 ADDR_DIFF_VEC insns that appear inside loops.
11921 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
11922 Jeff Law <law@cygnus.com>
11924 * rs6000.md (movdf_hardfloat32): Revert previous patch.
11925 Handle LO_SUM the same as offsettable in cases 1 and 2.
11926 * rs6000.c (find_addr_reg): Revert previous patch.
11928 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
11930 * system.h (strstr): New external function declaration.
11931 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
11932 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
11933 * config.in, configure: Rebuilt.
11935 1999-06-24 Tom Tromey <tromey@cygnus.com>
11937 * gcc.c (main): Read user-specified specs files after computing
11938 additional startfile_prefixes.
11940 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
11942 Revert these two patches:
11944 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11945 * loop.c (strength_reduce): When doing biv->giv conversion, update
11946 reg note of NEXT->insn.
11948 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11949 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11951 (recombine_givs): Set ix field after sorting.
11953 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11955 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
11956 for the parts of an UNSPEC / UNSPEC_VOLATILE.
11958 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
11960 *fixinc/inclhack.def: Add fix development commentary
11961 (read_ret_type): reactivate and add selection clause
11962 (zzz_*): tweak output file name to match what is used in hackshell.tpl
11963 *fixinc/{fixincl.x|inclhack.sh}: regen
11965 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
11967 * expr.c (expand_expr): STRIP_NOPS before checking against
11968 MAX_INTEGER_COMPUTATION_MODE
11969 (check_max_integer_computation_mode): Likewise.
11971 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
11973 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
11975 1999-06-22 Jim Wilson <wilson@cygnus.com>
11977 * expr.c (store_expr): When target is a promoted subreg, return a
11978 promoted subreg as a result.
11980 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
11982 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
11984 (dwarf2out_define): Mark unused parameters appropriately.
11985 (gen_unspecified_parameters_die): Ditto.
11986 (gen_subprogram_die): Fix signed/unsigned warnings.
11987 (gen_variable_die): Ditto.
11989 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
11991 * fixinc/inclhack.def(end_else_label): combined else_label
11992 and endif_label and fixed the sed expression.
11993 *fixinc/{fixincl.x|inclhack.sh}: regen
11995 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
11997 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
11998 'x' when handling non-offsettable addresses
12000 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
12002 * final.c (shorten_branches): Don't try to split an insn that has
12005 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
12007 * config/mips/mips.c (symbolic_expression_p): New function.
12008 (mips_select_rtx_section): Put symbolic expressions in the
12009 data section, not the read-only data section.
12011 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
12013 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
12015 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
12017 * collect2.c (main): Log frame table count.
12018 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
12019 (scan_prog_file) [COFF]: Handle frame tables.
12021 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
12022 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
12023 * alpha/elf.h: Undef them again.
12024 * alpha/vms.h: Remove their definitions.
12026 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12028 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
12029 remove the clobber of r0 and change the REG_UNUSED note to
12032 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
12034 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
12035 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
12036 fits in HOST_WIDE_INT and one uses union to access a long constant
12039 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
12041 * sparc.c (sparc_override_options): Don't allow profiling for
12042 code models other than medlow.
12043 (sparc_function_profiler): New function from old FUNCTION_PROFILER
12044 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
12045 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
12046 (sparc_block_profiler): Likewise.
12047 (sparc_function_block_profiler_exit): Likewise.
12048 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
12049 (FUNCTION_BLOCK_PROFILER): Likewise.
12050 (BLOCK_PROFILER): Likewise.
12051 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
12052 (MCOUNT_FUNCTION): New.
12053 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
12054 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
12055 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
12056 (MCOUNT_FUNCTION): New.
12057 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
12058 (BLOCK_PROFILER): Delete.
12059 (MCOUNT_FUNCTION): New.
12061 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
12063 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
12065 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12067 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12070 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12073 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12076 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
12079 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
12081 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
12084 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
12086 * i386/djgpp.h (LIB_SPEC): New.
12087 (STARTFILE_SPEC): New.
12089 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
12091 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
12093 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
12096 * system.h (WSTOPSIG): New macro.
12098 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
12100 * c-pragma.c (push_alignment): Don't ignore alignments greater than
12102 (insert_pack_attributes): Take into account member natural
12105 * i386/winnt.c (exports_head): New static variable.
12106 (i386_pe_record_exported_symbol): New function.
12107 (i386_pe_asm_file_end): Use.
12108 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
12109 symbols to be emitted at end of assembly.
12110 (ASM_DECLARE_OBJECT_NAME): Likewise.
12111 (ASM_DECLARE_FUNCTION_NAME): Likewise.
12113 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
12116 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
12118 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
12121 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
12123 * haifa-sched.c (sched_analyze_1): Use free_list instead of
12124 zapping reg_last_uses directly.
12125 (sched_analyze_2, sched_analyze_insn): Likewise.
12126 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
12128 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
12130 * rs6000.md (movdf_hardfloat32): Use worst case insn length
12131 attributes for cases 1 and 2.
12133 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
12135 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
12138 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
12140 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
12142 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
12144 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
12145 PIC_OFFSET_TABLE_REGNUM for general alloaction.
12146 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
12147 must be stacked if it is used for PIC accesses.
12148 * arm.c (use_return_insn): Handle PIC register specially.
12149 (output_return_instruction): Likewise.
12150 (output_func_{prologue,epilogue}): Likewise.
12151 (output_expand_prologue): Likewise.
12153 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
12154 (*strsi_predec): Renamed from *strqi_predec.
12155 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
12156 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
12158 * arm.c (arm_override_options): Remove warning about PIC code
12159 not being supported.
12161 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
12163 * rs6000.c (find_addr_reg): New function.
12164 * rs6000.h (find_addr_reg): Declare.
12165 (offsettable_addr_operand): Delete.
12166 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
12167 from and stores to GPRs.
12169 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
12171 * alpha.c (alpha_expand_block_move): Use get_insns rather than
12172 gen_sequence as argument to emit_no_conflict_block.
12174 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12176 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
12177 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
12178 *fixinc/fixincl.x: regen
12179 *fixinc/inclhack.sh: regen
12181 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
12183 * added support for -mpcrel (PC relative addressing for m68k)
12184 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
12185 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
12186 * m68k.c (print_operand_address): Handle 32-bit PIC case.
12187 (comments for general_src_operand): Add some explanation
12188 about EXTRA_CONSTRAINTS.
12189 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
12190 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
12191 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
12192 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
12193 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
12194 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
12195 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
12196 if not already set.
12197 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
12198 * m68k.h (TARGET_PCREL): New target flag.
12199 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
12200 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
12201 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
12202 contains a SYMBOL_REF. Relax this constraint during reload, since
12203 we want to use the predicates, not reload's built-in concept of a
12204 valid memory address, to control what insns need reloading.
12205 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
12206 operands (essentially 'g', 'm', and 's' under normal circumstances).
12207 * m68k.c (print_operand): Cause printing of pc-relative addresses
12208 to include pc register.
12209 (print_operand_address): Ditto.
12210 (general_src_operand): Accept operands that are not only
12211 general_operands, but are also valid when used as a pc-relative
12213 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
12214 (memory_src_operand): Similar, for memory_operands.
12215 (pcrel_address): New predicate to accept the special case of a
12216 pc-relative address.
12217 * m68k.md (many patterns): Rewrite common SImode, HImode, and
12218 QImode insns to accept *_src_operand instead of *_operand where
12219 pc-relative operands can fit. For example, a pc-relative operand
12220 can be used as a memory source operand for addsi3, but not as a
12221 memory destination.
12222 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
12224 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
12226 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
12227 .thumb_set pseudo op to mark aliases of thumb functions.
12229 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
12231 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
12232 preference to ASM_OUTPUT_DEF, if it is defined.
12234 * tm.texi: Document new, optional target macro
12235 ASM_OUTPUT_DEF_FROM_DECLS.
12237 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12239 * fixincludes: ISCNTL patch
12240 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
12241 (dgux_int_varargs): new for DG/UX
12242 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
12244 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
12246 * invoke.texi (ia32 options): Fix typo.
12248 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12250 * loop.c (strength_reduce): When doing biv->giv conversion, update
12251 reg note of NEXT->insn.
12253 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
12255 * loop.c (move_movables): Note issues with replacing REGs with
12257 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
12259 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
12261 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
12263 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
12264 the reference to `mcount' was not correct for the ELF on FreeBSD.
12266 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12268 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
12271 (recombine_givs): Set ix field after sorting.
12273 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
12275 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
12276 to safe to extract a subword out of a REG.
12278 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12280 * sh.md (mulsi3): Don't add a no-op move at the end.
12282 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12284 * cse.c (cse_insn): Don't put hard register source into tables for
12285 the last insn of a libcall.
12287 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12289 * loop.c (strength_reduce): Insert sets of derived givs at every
12290 biv increment, even if it's the only one.
12292 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12294 * dwarfout.c (add_incomplete_type): New fn.
12295 (output_type): Call it.
12296 (retry_incomplete_types): New fn.
12297 (dwarfout_finish): Call it.
12299 From Eric Raskin <ehr@listworks.com>:
12300 (output_type): Output types for bases.
12302 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12304 * mips.c (mips_output_conditional_branch): Add `break'
12305 between `default' label and `close braces'.
12307 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
12309 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
12310 specifications and make it realistic.
12311 (LIB_SPEC): Likewise.
12313 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
12315 * config/mips/mips.c (mips_secondary_reload_class): Check for
12316 (PLUS (SP) (REG)) and return appropriate register class.
12317 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
12318 Handle (PLUS (SP) (REG)).
12319 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
12320 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
12321 of emit_insn for tablejump.
12323 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
12325 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
12326 asm_fprintf format string by itself.
12327 (output_function_profiler): Likewise.
12329 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
12331 * combine.c (simplify_logical, case AND): Only call
12332 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
12333 or the constant is positive.
12335 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
12337 * configure.in: Fix typo in rs6000-ibm-aix4 case.
12338 * configure: Regenerate.
12340 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
12342 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
12343 require a sub-version #.
12344 * configure: Rebuilt.
12346 1999-06-14 Robert Lipe (robertlipe@usa.net)
12348 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
12350 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
12352 * c-typeck.c (process_init_element): Detect excess elements in
12353 char array initializer.
12355 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
12357 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
12359 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12361 * invoke.texi (Option Summary): Add -fpermissive flag.
12363 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
12365 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
12366 that require PIC code sequences.
12368 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
12370 * configure.in: Add new target: thumb-elf.
12371 * configure: Regenerate.
12372 * config/arm/t-thumb-elf: New file: Makefile fragment for
12374 * config/arm/telf.h: New file: Header file for thumb-elf
12377 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
12379 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
12380 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
12381 initializers is some circumstances.
12383 * fixinc/inclhack.def (endif_label): Add additional selector for
12384 more bogus stuff after #endif statements.
12385 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
12387 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
12389 * i386/cygwin.h (SET_ASM_OP): Define.
12391 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
12393 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
12395 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12397 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
12400 * sh.md (ic_invalidate_line_i): Remove second alternative.
12402 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12404 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
12405 test for the presence of valid prototypes. Delete bypass expr.
12406 (ioctl_fix_ctrl): Correct the selection expression.
12407 (no_double_slash): Correct quoting rules
12408 *fixinc/fixincl.x: regen
12409 *fixinc/inclhack.sh: regen
12411 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
12413 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
12415 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12417 * rs6000.md (movsi_got_internal_mem): Delete.
12418 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
12419 (GOT_TOC_REGNUM): Delete.
12420 (PIC_OFFSET_TABLE_REGNUM): Define.
12421 (FINALIZE_PIC): Disable.
12422 * rs6000.c (rs6000_got_register): New code for fixed pic register.
12423 (rs6000_replace_regno): Delete.
12424 (rs6000_finalize_pic): Likewise.
12425 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
12427 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12429 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
12430 is a note; use <= for the compare; advance P while it is
12433 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
12435 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
12436 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
12438 * varasm.c (remove_from_pending_weak_list): Verify t->name
12439 is non-NULL before passing it to strcmp.
12441 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12443 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
12444 the typed arguments are not part of a comment
12445 (ioctl_fix_ctrl): Added a purpose comment
12446 *fixinc/fixincl.x: regenerate
12447 *fixinc/inclhack.sh: regenerate
12449 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12451 * invoke.texi: Add C4x invocation docs.
12453 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12455 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
12457 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
12459 (c4x_legitimize_reload_address): New function.
12460 * config/c4x/c4x.md: Update docs.
12462 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
12464 * fixincludes: Avoid removing '.'.
12465 * fixinc/fixinc.svr4: Likewise.
12466 * fixinc/fixinc.winnt: Likewise.
12467 * fixinc/inclhack.tpl: Likewise.
12468 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
12470 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12472 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
12474 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
12476 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
12478 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
12481 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
12483 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
12484 * configure: Regenerate.
12486 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
12488 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
12491 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
12493 * fixinc/inclhack.def (avoid_bool): Also catch
12494 "typedef [unsigned] int bool".
12495 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
12497 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
12498 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
12499 * configure: Rebuilt.
12501 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
12503 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
12504 such that we can override its definitions if necessary.
12505 (CPP_SPEC): New define. Support processor specific predefines via
12507 (CC1_SPEC): New define. Support processor specific compiler
12508 options via %(cc1_cpu).
12509 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
12512 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12514 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
12515 between sed's -e flag, and the open-quote following it.
12516 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
12518 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
12519 Jeffrey A Law (law@cygnus.com)
12521 * varasm.c (assemble_start_function): Remove the function
12522 from the pending weak decls list when we define a function.
12523 (assemble_variable): Similarly for variables.
12524 (weak_finish): Ignore items on the list with a NULL name.
12525 (remove_from_ending_weak_list); New function to "remove" an item
12526 from the pending weak declarations list.
12528 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12530 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
12532 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
12534 * c-lex.c (GETC): Redefine to call getch.
12535 (UNGETC): Redefine to call put_back.
12536 (putback_buffer): New structure type.
12537 (putback): New static structure.
12538 (getch): New function.
12539 (put_back): New function.
12540 (yylex): Replace unused bytes from bad multibyte character.
12542 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
12544 * cpplib.c (do_define): Cast `alloca' return value.
12545 (do_include, do_undef, do_pragma): Likewise.
12546 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
12548 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
12549 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
12551 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
12553 * sparc.md (abstf2): This should be an expand.
12554 (split after abstf2_notv9): Fix mode.
12555 (abstf2_hq_v9): New pattern.
12556 (abstf2_v9): Only use when no hard quad.
12557 (absdf2_v9): Fix if target is not the same as source.
12558 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
12559 Add correct output constraints.
12561 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
12563 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
12564 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
12566 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
12568 * mips.h (mips_output_conditional_branch): New function.
12569 (mips_adjust_insn_length): Likewise.
12570 (ASSEMBLER_SCRATCH_REGNUM): New macro.
12571 (ADJUST_INSN_LENGTH): Likewise.
12572 * mips.c (print_operand): Add `F' and `W' for floating-point
12573 comparison opcodes.
12574 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
12576 (mips_adjust_insn_length): New function.
12577 (mips_output_conditional_branch): New function.
12578 * mips.md (length): Adjust attribute definition to handle
12579 conditional branches. Change lengths to bytes, rather than
12580 instructions throughout. Remove length attribute from
12581 instructions whose length is four bytes, and rely on the default
12583 (dslot): Fix typo in comment.
12584 Reword conditional branch patterns to use
12585 mips_output_conditional_branch.
12587 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12589 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
12590 (LIB_SPEC): Likewise.
12591 Link with -lprof1_r for -g/-pg.
12593 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12595 * loop.c (check_dbra_loop): Fix change of Jan 19.
12597 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
12599 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
12600 (STARTFILE_SPEC): Define, override the svr4.h version.
12601 (ENDFILE_SPEC): Likewise.
12603 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
12605 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
12606 * fixinc/fixincl.x: Regenerated.
12607 * fixinc/inclhack.sh: Regenerated.
12609 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12611 * sh.c (barrier_align): Don't return early for normal branch/barrier
12612 when optimizing for SH2.
12614 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
12616 * i386/udk.h (LINK_SPEC): Correct linker search path for
12619 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12621 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
12622 (braf_label_ref_operand): Delete.
12623 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
12624 * sh.md (casesi_jump_2): Operand1 is now the inside of a
12625 label_ref, and has no predicate.
12626 The patten has a predicate to guard against invalid substitutions.
12627 (dummy_jump): Delete.
12628 (casesi): Update use of casesi_jump_2.
12630 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12632 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
12633 *fixinc/fixincl.x: regenerate
12634 *fixinc/inclhack.sh: regenerate
12636 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
12638 * dwarf2out.c (add_incomplete_type): New fn.
12639 (gen_struct_or_union_type_die): Call it.
12640 (retry_incomplete_types): New fn.
12641 (dwarf2out_finish): Call it.
12643 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
12645 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
12646 current block starts with a CODE_LABEL and ends with a CALL and
12647 we can not find all the argument setup instructions for the CALL.
12649 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
12651 Revert this change:
12652 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
12653 something is a candidate for optimize_bit_field_compare.
12655 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12657 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
12659 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
12661 * alpha.c (override_options): Thinko in last patch.
12663 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
12664 (LIB_SPEC): Recognize -pthread.
12666 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
12668 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
12669 definition in config/arm/coff.h
12670 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
12672 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12674 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
12675 fixes that need "file=xxx\n" prepended before invocation
12676 (start_fixer - new): starting the fixer process is complex enough
12677 to warrent its own routine. It prepends the "file=xxx\n" stuff.
12678 (process): uses the new routine; omit usage of putenv()
12679 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
12680 * fixinc/fixincl.x: regenerate
12682 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
12684 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
12685 and version #s (1.1 -> 2.96) as needed.
12686 * README.g77: Kill way out of date file in the toplevel directory.
12688 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
12690 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
12691 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
12692 * configure: Rebuilt.
12693 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
12694 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
12695 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
12696 (SWITCH_TAKES_ARG): Likewise.
12697 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
12698 * config/t-freebsd: Moved from config/i386/ so it can used for all
12701 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
12703 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
12705 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
12707 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
12708 * configure: Rebuilt.
12710 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
12712 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
12713 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
12714 * rs6000/rs6000.c (rs6000_file_start): Use putc.
12715 (rs6000_output_load_toc_table): Same.
12716 (output_prolog, output_mi_thunk): Same.
12717 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
12718 (ASM_GLOBALIZE_LABEL): Use putc.
12720 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
12722 * alpha.md (reload_*_help): New patterns and splitters.
12723 (reload_*): Use them.
12724 (mov[qh]i): Likewise.
12726 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
12728 * cccp.c (handle_directive): Handle backslash-newlines in quoted
12731 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
12733 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
12735 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
12737 * flow.c (mark_regs_live_at_end, insn_dead_p,
12738 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
12739 and HARD_FRAME_POINTER_REGNUM special treatment if reload
12740 hasn't run or the frame pointer is needed.
12741 * haifa-sched.c (attach_deaths): Likewise.
12742 * sched.c (attach_deaths): Likewise.
12744 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
12746 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
12747 calculate_can_reach_end returns nonzero.
12749 * configure.in (native gas tests): Search for an assembler in the
12750 same manner that the installed compiler will.
12751 * configure: Rebuilt.
12752 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
12754 * alias.c (find_base_term): Improve handling of addresses
12755 constructed from binary operations.
12757 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
12759 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
12761 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
12763 * function.h (cleanup_label, frame_offset): Declare.
12764 (tail_recursion_label, tail_recursion_reentry): Likewise.
12765 (arg_pointer_save_area, rtl_expr_chain): Likewise.
12766 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
12767 (tail_recursion_label, tail_recursion_reentry): Likewise.
12768 (arg_pointer_save_area, rtl_expr_chain): Likewise.
12770 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
12772 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
12774 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
12775 (MAX_OFILE_ALIGNMENT): Define.
12777 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
12779 * fixincl.c: Replace local include scheme with #includes of
12780 gansidecl.h and system.h.
12781 * procopen.c: Likewise.
12782 * server.c: Likewise.
12784 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
12786 * i386/t-dgux (EXTRA_PARTS): Add crti.o
12787 (crti.o): Add build rule and dependencies.
12788 * fixinc/fixinc.dgux: Use modified _int_varargs.h
12790 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12792 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
12793 (LIB_LINUX_SPEC): Likewise.
12794 (LIB_LINUX_SPEC): Add support for -pthread
12795 (CPP_OS_LINUX_SPEC): Likewise.
12796 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
12799 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
12801 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
12803 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
12804 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
12805 for IEEE math and CC_FCOMI.
12806 (put_jump_code): No IEEE if CC_FCOMI is set.
12808 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12810 * fold-const.c (fold_truthop): Make the field reference unsigned
12811 when converting a single bit compare.
12813 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12815 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
12817 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
12819 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
12820 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
12823 * reload.c (push_reload): Do not call remove_address_replacements
12824 when presented with identical optional reloads.
12826 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
12828 * alpha.h (MASK_FIX, TARGET_FIX): New.
12829 (MASK_*): Reorganize constants.
12830 (CPP_AM_FIX_SPEC): New.
12831 (TARGET_SWITCHES): Add FIX.
12832 (EXTRA_SPECS): Likewise.
12833 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
12834 (SECONDARY_MEMORY_NEEDED): Likewise.
12835 (REGISTER_MOVE_COST): Likewise.
12836 * alpha.c (override_options): Add FIX support. Always use
12837 ALPHA_TP_PROG for ev6.
12838 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
12839 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
12840 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
12842 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
12844 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
12845 something is a candidate for optimize_bit_field_compare.
12847 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
12849 * gcc.texi (Passes): Document branch-shortening.
12850 * invoke.texi (Debugging Options): Document the fact that `-dp'
12851 outputs length information for instructions.
12853 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
12855 * flow.c: Revert previous delta.
12857 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
12859 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
12860 FRAME_POINTER_REGNUM.
12861 (mark_set_1): Ditto.
12862 (mark_used_regs): Ditto.
12864 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
12866 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
12867 (GOT_PCREL): New macro. Define to 1 if not already defined.
12868 * arm/elf.h (GOT_PCREL): Define to 0.
12869 * arm.c (arm_finalize_pic): Take into account the setting of
12872 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
12874 * output.h (STRIP_NAME_ENCODING): Provide default definition.
12875 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
12877 * flow.c (mark_set_1): Do not record BLKmode stores as dead
12878 store elimination candidates.
12880 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
12882 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
12885 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
12887 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
12888 Add use of x-aix41-gld.
12890 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
12892 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
12893 (ASM_OUTPUT_DESTRUCTOR): Define.
12895 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
12897 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
12898 last CODE_LABEL in a loop if we have previously passed a jump
12899 to the top of the loop.
12901 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
12903 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
12904 applying Philip's patch.
12906 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
12908 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
12911 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
12913 * loop.c (strength_reduce): Grow reg_single_usage as needed.
12915 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
12917 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
12918 Also remove a useless comment.
12920 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12922 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
12924 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
12926 * collect2.c (main): Only generate import or export file and add
12927 to link arguments if non-empty. Use xmalloc not alloca.
12928 (write_{export,import}_file): Delete.
12929 (write_aix_file): New function.
12930 (locatelib): Use xmalloc not malloc.
12931 (GCC_OK_SYMBOL): Do not check type if aix64.
12933 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
12935 Based on patch by Scott Bambrough and Pat Beirne:
12936 * config/arm/arm.c (making_const_table): New variable.
12937 * config/arm/arm.h (making_const_table): Declare.
12938 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
12940 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
12941 Keep track of when we are building the constant table.
12943 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
12945 * config/arm/arm.c (arm_override_options): Fix erroneous warning
12948 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
12950 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
12953 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
12955 * tm.texi (FUNCTION_ARG): Correct description of a stack element
12958 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
12960 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
12962 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12964 * rs6000.c (output_mi_thunk): Enable full support again.
12966 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12968 * sh.h (BRANCH_COST): Define.
12970 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
12972 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
12974 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
12976 * function.c (assign_stack_local): Align stack slot propertly.
12977 (assign_outer_stack_local): Likewise.
12979 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
12981 * expr.h (lang_expand_constant): Declare.
12982 * toplev.c (lang_expand_constant): Define it.
12983 * varasm.c (output_constant): Use it.
12985 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12987 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
12988 Change function definitions to K&R style.
12990 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12992 * fixinc/fixincl.c: We must not ignore SIGCLD now.
12994 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
12996 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
12997 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
12998 (several places): omit static initialization
12999 (process): use single fd, since only the read fd is used
13000 * fixinc/gnu-regex.c: define 'const' away, if not supported
13001 * fixinc/procopen.c(several places): omit static initialization
13002 * fixinc/server.c: define 'volitile' away, if not supported
13004 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13006 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
13007 asm_fprintf and %L to generate the label name.
13008 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
13009 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
13011 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
13013 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
13014 insn for a conditional jump can not be found.
13016 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
13018 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
13019 on variables in specific sections other than .sbss and .sdata.
13021 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
13023 * stmt.c (expand_return): Call start_cleanup_deferral and
13024 end_cleanup_deferral around conditional code.
13026 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13028 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
13029 filename lists. Utilizes new "krstr" AutoGen function.
13030 * fixinc/fixincl.x: Rebuilt.
13032 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
13034 * i386.c (output_float_compare): Avoid GNU-C extensions.
13036 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
13038 * version.c: Bump to distinguish mainline tree from the
13041 See ChangeLog.1 for earlier changes.