1 1999-11-21 Nick Clifton <nickc@cygnus.com>
3 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
5 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
6 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
7 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
9 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
11 * varasm.c (output_constructor): Solve problem with long long
12 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16 * global.c (allocno): New structure and static variable.
17 (allocno_reg): Remove, all references replaced by allocno.
18 (allocno_size): Likewise.
19 (hard_reg_conflicts): Likewise.
20 (hard_reg_preferences): Likewise.
21 (hard_reg_copy_preferences): Likewise.
22 (hard_reg_full_preferences): Likewise.
23 (regs_someone_prefers): Likewise.
24 (allocno_calls_crossed): Likewise.
25 (allocno_n_refs): Likewise.
26 (allocno_live_length): Likewise.
27 (find_reg): Rename ALLOCNO to NUM.
29 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
31 (may_move_out_cost): New variable.
32 (init_reg_sets_1): Initialize may_move_out_cost.
33 (record_reg_classes): Use may_move_out_cost.
35 * regclass.c (dump_regclass): New function.
36 (regclass): New parameter DUMP, call DUMP_REGCLASS.
37 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
38 pass rtl_dump_file to regclass.
39 * rtl.h (regclass): Update prototype.
41 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
43 * i386.md (neg, not and abs patterns): Revmap to use
44 ix86_expand_unary_operator and ix86_unary_operator_ok.
45 (add?f and sub?f expanders): Force operand 1 to register.
46 * i386.c (ix86_expand_unary_operator): Rewrite.
47 (ix86_unary_operator_ok): Ensure that memory operands
49 (ix86_binary_operator_ok): Do not allow operand 1 to
50 come into memory and operand 0 not.
51 (ix86_expand_binary_operator): Ensure that
52 src1 is not non-matching memory.
54 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
55 to support integer registers and memory.
56 (abss?2_integer): Likewise.
58 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
59 (REG_CLASS_NAMES): Likewise.
60 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
62 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
63 (movsf): Likewise; unify 4th and 5th alternative.
65 (movdf_1): Likewise; rename to movdf_integer.
66 (pushxf): Likewise; rename to pushxf_integer; fix output template;
67 remove redundant splitter.
68 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
69 (movdf_nointeger): New.
70 (movxf_nointeger): New.
71 (pushxf_nointeger): New.
73 * i386.md (extend?f?f): Split to expander and pattern, refuse two
74 memory operands in patterns.
75 (fop*): Refuse two memory operands.
77 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
78 on !TARGET_USE_CLTD CPUs.
80 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
82 * extend.texi: Document C++ restricted pointers and references.
84 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
86 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
87 (invalidate_skipped_set): Call it unconditionally.
88 (cse_set_around_loop): Likewise.
90 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
92 * rtl.texi (mem): Add documentation for alias-set argument
95 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
97 * i386.h (struct_processor_costs): New fileds int_load, int_store,
98 fp_move, fp_load and fp_store
99 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
101 (MEMORY_MOVE_COST): New macro.
102 * i386.c (386_cost): Define new fields.
103 (i486_cost): Likewise.
104 (pentium_cost): Likewise.
105 (pentiumpro_cost): Likewise.
108 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
109 Geoffrey Keating <geoffk@cygnus.com>
111 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
113 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
116 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
117 (TARGET_STRICT_ALIGNMENT): New macro.
118 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
119 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
120 * invoke.texi (M680x0 Options): Document -mstrict-align.
122 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
123 Richard Henderson <rth@cygnus.com>
125 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
126 (ix86_split_long_move): Declare.
127 * i386.c (split_xf, ix86_split_movdi): Remove.
128 (ix86_split_to_parts, ix86_split_long_move): New.
129 * i386.md (dimode move splitters): Use ix86_split_long_move.
130 (dfmode move splitters): Likewise.
131 (xfmode move splitters): Likewise.
132 (movsf_1): Allow F->r.
133 (movdf_1, movxf_1): Allow F->ro.
135 1999-11-17 Mark Mitchell <mark@codesourcery.com>
137 * except.h (struct eh_entry): Add goto_entry_p.
138 (eh_region_from_symbol): Remove prototype.
139 * except.c (find_func_region_from_symbol): New function.
140 (emit_cleanup_handler): Likewise.
141 (eh_region_from_symbol): Make it static.
142 (add_new_handler): Verify the argument.
143 (find_func_region): Update comment.
144 (expand_eh_region_end): Expand handlers here, rater than waiting
145 until expand_leftover_cleanups or start_all_catch.
146 (expand_leftover_cleanups): Don't expand here.
147 (expand_start_all_catch): Or here.
148 (expand_rethrow): Check the return value from find_func_region.
149 * function.c (expand_function_end): Emit the catch_clauses.
151 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
153 * integrate.c (expand_inline_function): Add necessary check for NULL.
155 1999-11-18 Nick Clifton <nickc@cygnus.com>
157 * toplev.c (main): Correctly detect an unrecognised option.
159 * cppinit.c (cpp_handle_option): Do not claim to have consumed
160 a -f option if it has not been recognised.
162 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
164 * basic-block.h (update_life_extent): Remove trailing comma on
165 enumeration type list.
167 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
169 * varasm.c (output_constructor) Solved problem with long long
170 bitfields. Corrected calculating this_time and shift. Also
171 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
173 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
175 * flow.c (split_edge): Take looping structure into account when
176 determining where to put the new block note.
178 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
180 * Makefile.in (ggc-none.o): Provide host specific version if
183 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
185 * cse.c (delete_trivially_dead_insns): Identify no-op insns
186 containing subregs too.
188 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
190 * invoke.texi: Add documentation for -muninit-const-in-rodata.
191 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
192 (TARGET_UNINIT_CONST_IN_RODATA): Define.
193 (text_section): Add switches -munint-const-in-rodata and
194 -mno-uninit-const-in-rodata.
195 (ASM_OUTPUT_COMMON): Remove.
196 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
197 const objects should be placed in read-only data. Otherwise declare
200 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
202 * jump.c (jump_optimize_1): Revert last change.
204 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
206 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
207 test if optimizing for size.
209 1999-11-17 Mark Mitchell <mark@codesourcery.com>
211 * Makefile.in (toplev.o): Depend on except.h.
212 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
214 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
216 * i386.md (divmodsi4): Rewrite to expander.
217 (*divmodsi4_nocltd): New.
218 (*divmodsi4_cltd): New.
219 (divmodsi4 splitter): Handle the case when input comes in edx.
220 (udivmodhi4): Do not use constraints in exander.
221 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
223 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
225 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
228 1999-11-16 Jakub Jelinek <jakub@redhat.com>
230 * explow.c (hard_function_value): Add outgoing argument.
231 * expr.h (hard_function_value): Declare it.
232 * calls.c (expand_call, emit_library_call_value): Update callers.
233 * function.c (aggregate_value_p): Ditto.
234 (diddle_return_value): Must look at the outgoing registers
235 on archs with register windows.
237 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
239 * alpha.c (alpha_build_va_list): Use make_lang_type and
240 initialize TYPE_NAME for the va_list record.
242 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
244 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
246 * ggc.h (struct ggc_statistics): Rearrange elements for better
247 packing on 64-bit hosts.
248 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
249 (compute_nearerout): Likewise.
251 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
253 * config/rs6000/rs6000.c (first_reg_to_save): Save
254 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
256 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
258 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
259 notion of nesting to find the DIE for a type or function.
260 DIEs can go in limbo even if we got a context_die.
261 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
262 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
264 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
265 (gen_type_die): Writing out the context doesn't cause member class
266 template instantiations to be written out as well.
268 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
270 * rs6000.h (ASM_OUTPUT_DEF): New.
271 Based on proposed addition from David Edelsohn.
273 1999-11-15 Robert Lipe <RobertLipe@usa.net>
274 Bruce Korb <autogen@linuxbox.com>
276 * fixinc/inclhack.def
277 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
278 (unixware7_byteorder_fix): added. Removes conflicts for new defs
280 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
281 (svr4_endian): enabled with SVR5
282 (svr4_mkdev): simplified syntax and enabled with SVR5
284 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
286 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
287 * configure: Rebuilt.
288 * config/t-freebsd-thread: New file.
290 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
292 * i386.c (ix86_decompose_address): Verify the base is a REG
293 before trying to examine its register number.
295 * basic-block.h: Remove all #defines and prototypes related to
297 (free_bb_mem, compute_preds_succs): Remove prototype.
298 * rtl.h (free_bb_mem): Remove prototype.
299 * flow.c (alloc_int_list_node); Remove function.
300 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
301 (compute_preds_succs, free_bb_mem): Likewise.
302 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
303 * toplev.c (rest_of_compilation): Likewise.
304 * haifa-sched.c (build_control_flow): Use flow generated edge
305 list to build the haifa specific edge list.
306 (find_rgns): Use new CFG data structures instead of pred/succ lists.
307 (schedule_insns): Do not build pred/succ lists anymore. Instead
308 build the edge table.
310 * basic-block.h (dump_bb_data): Remove declaration.
311 * flow.c (dump_bb_data): Remove function.
312 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
313 (sbitmap_union_of_predsucc): Likewise.
315 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
316 argument. All callers changed.
317 (delete_null_pointer_checks_1): No longer need to compute the
320 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
322 (pre_expr_reaches_here_p_work): Likewise.
323 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
324 * lcm.c (compute_laterin): Fix initialization of LATER.
325 (compute_nearerout): Similarly for NEARER.
327 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
329 * cse.c (set_nonvarying_address_components): Delete unused function.
330 (refers_to_p): Likewise.
332 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
334 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
337 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
339 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
340 definition in do while (0).
342 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
344 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
346 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
348 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
350 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
352 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
353 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
354 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
355 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
357 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
358 saved on the stack. Output more accurate stack frame statistics
361 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
363 * genextract.c (record_insn_name): New function.
364 (get_insn_name): No longer a stub.
365 (main): Call record_insn_name for each insn. After each label
366 written, print the insn name in a comment.
368 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
370 * output.h (const_section, init_section, fini_section): Add
373 * alpha/elf.h (const_section): Delete declaration.
375 * svr4.h (const_section): Likewise.
377 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
379 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
380 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
381 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
383 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
384 variable-sized array bounds.
386 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
388 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
391 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
393 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
394 addresses the same way GO_IF_LEGITIMATE_INDEX does.
396 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
398 * cse.c (hash_arg_in_struct): Delete.
399 (struct table_elt): Delete elt in_struct.
400 (struct set): Delete elt src_in_struct.
401 (merge_equiv_classes): Don't set either hash_arg_in_struct or
402 the corresponding in_struct elts.
403 (canon_hash): Likewise.
404 (safe_hash): Likewise.
405 (find_best_addr): Likewise.
406 (record_jump_cond): Likewise.
407 (cse_insn): Likewise.
409 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
411 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
413 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
416 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
418 * function.c (diddle_return_value): Put back check that the DECL_RTL
419 for the function is a register.
421 * function.c (diddle_return_value): Use hard_function_value to
422 get an rtx suitable for use in the USE/CLOBBER insn.
424 * global.c (global_conflicts): Update comments.
425 (record_conflicts): No need to record conflicts between pseudos here.
427 1999-11-11 Bruce Korb <autogen@linuxbox.com>
429 * fixinc/fixincl.c: Added verbose levels for status messages
431 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
433 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
434 operand as argument to expand_and or expand_binop.
436 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
438 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
441 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
443 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
445 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
447 * flow.c (compute_flow_dominators): Initially put all blocks on
449 * lcm.c (compute_antinout_edge, compute_available): Similarly.
450 * gcse.c (compute_cprop_avinout): Remove.
451 (compute_cprop_data): Use compute_available.
452 (delete_null_pointer_checks_1): Use compute_available.
454 * basic-block.h (compute_available): Returns a void now.
455 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
456 to return a value anymore.
457 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
458 worklists. Fix boundary cases. Compute maximal solutions.
459 (compute_laterin, compute_nearerout): Similarly.
461 * dwarf2out.c (add_AT_location_description): Allow
462 (mem (plus (pseudo) (...)) too.
464 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
466 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
468 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
469 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
471 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
473 * gansidecl.h: Likewise.
479 * toplev.h: Likewise.
485 * varray.c: Likewise.
487 * varray.h: Likewise.
489 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
491 * gcov.c (struct arcdata): Add hits and total, remove prob.
492 (output_branch_counts): New.
493 (process_args): Set output_branch_counts if -c.
494 (calculate_branch_probs): Store hits and total instead of
496 (output_data): Emit counts if output_branch_counts is true.
497 * gcov.texi (Invoking Gcov): Document -c switch..
499 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
501 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
502 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
504 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
506 * invoke.texi (C Dialect Options): Add missing builtins from
508 * extend.texi (Other Builtins): Copy to this list.
510 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
512 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
513 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
516 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
518 * flow.c (compute_flow_dominators): No longer treat basic block 0
519 or (n_basic_blocks - 1) specially. Clear the AUX field before
520 starting computation of doms/pdoms. Fix initial state for pdoms.
522 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
524 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
525 match rtl.o's: added ggc.h and toplev.h
526 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
527 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
528 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
530 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
532 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
533 from HAVE_DOS_BASED_FILESYSTEM.
534 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
535 HAVE_DOS_BASED_FILESYSTEM.
537 (split_directories): Only special-case DOS file names if
538 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
539 instead of explicit tests. Conditionalize on !VMS.
540 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
541 tests. Conditionalize on !VMS.
542 (process_command): Only use make_relative_prefix if !VMS.
543 (free_split_directories): Conditionalize on !VMS.
544 (DIR_UP): Conditionalize on !VMS.
546 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
548 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
550 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
552 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
555 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
557 * invoke.texi (Environment Variables): Document relative path
559 * gcc.c (DIR_UP): If not defined, define as "..".
560 (standard_bindir_prefix): New static, holds target location to
562 (split_directories): New function to split a filename into
563 component directories.
564 (free_split_directories): New function, release memory allocated
565 by split_directories.
566 (make_relative_prefix): New function, make a relative pathname if
567 the compiler is not in the expected location.
568 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
569 can figure out an appropriate prefix from argv[0].
570 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
571 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
572 STANDARD_BINDIR_PREFIX.
574 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
576 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
578 * config/c4x/c4x.h: Moved prototypes to c4x.h.
579 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
580 c4x_secondary_memory_needed) Delete.
581 (fp_zero_operand): Add mode argument.
583 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
585 * reload1.c (reload_reg_free_for_value_p): Don't use a register
586 that is in reload_reg_used.
588 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
590 * config/arm/arm-protos.h: New file: Prototypes for functions
591 defined in arm.c and pe.c.
592 * config/arm/arm.h: Fix compile time warnings.
593 * config/arm/arm.c: Fix compile time warnings.
594 * config/arm/pe.h: Fix compile time warnings.
595 * config/arm/aout.h: Fix compile time warnings.
597 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
599 * config/m32r/m32r-protos.h: New file: Prototypes for functions
602 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
603 Add support for subtargets.
604 Add prototypes for new predicates.
605 Add scheduling macros.
607 * config/m32r/m32r.c: Fix compile time warnings.
608 (int8_operand): New predicate function.
609 (reg_or_cmp_int16_operand): New predicate function.
610 (extend_operand): New predicate function.
611 (m32r_adjust_code): New scheduling function.
612 (m32r_adjust_priorty): New scheduling function.
613 (m32r_sched_init): New scheduling function.
614 (m32r_sched_reorder): New scheduling function.
615 (m32r_sched_variable_issue): New scheduling function.
616 (direct_return): New codegen function.
617 (m32r_not_same_reg): New rtl testsing function.
619 * config/m32r/m32r.md: Fix compile time warnings.
620 Add support for pre decrement and post increment memory
625 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
627 * global.c (EXECUTE_IF_CONFLICT): Don't define.
628 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
629 (find_reg): Likewise.
631 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
633 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
634 to avoid assembler errors.
636 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
638 * config/v850/v850-protos.h: New file: Prototypes for functions
640 * config/v850/v850.h: Move prototypes to v850-protos.h
641 * config/v850/v850.c: Move prototypes to v850-protos.h
642 * config/v850/v850.md: Fix compile time warnings.
644 * config/fr30/fr30-protos.h: New file: Prototypes for functions
646 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
647 * config/fr30/fr30.c: Fix compile time warnings.
648 * config/fr30/fr30.md: Fix compile time warnings.
650 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
652 * tree.h (get_containing_scope): Declare it.
653 * tree.c (get_containing_scope): New fucntion.
654 (decl_function_context): Use it.
655 * toplev.c (rest_of_compilation): Use get_containing_scope.
657 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
659 * Makefile.in (rtl.o): Depend on toplev.h.
661 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
663 * cse.c (delete_trivially_dead_insns): Replace alloca with
665 * except.c (update_rethrow_references): Likewise.
666 (init_eh_nesting_info): Likewise.
667 * function.c (identify_blocks): Likewise.
668 * gcse.c (dump_hash_table): Likewise.
669 * graph.c (print_rtl_graph_with_bb): Likewise.
670 * loop.c (combine_movables): Likewise.
671 (move_movables): Likewise.
672 (count_loop_regs_set): Likewise.
673 (strength_reduce): Likewise.
674 * profile.c (compute_branch_probabilities): New function, split
676 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
677 * regclass.c (regclass): Likewise.
678 * regmove.c (regmove_optimize): Likewise.
679 * toplev.c (compile_file): Likewise.
680 (main): Don't mess with the stack rlimit.
682 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
684 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
685 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
687 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
689 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
691 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
693 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
694 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
697 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
699 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
701 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
703 * gcse.c (post_dominators): Kill.
704 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
705 (compute_code_hoist_data): Use compute_flow_dominators. Do not
706 pass in a pdom array since we do not need pdoms.
707 * haifa-sched.c (schedule_insns): Similarly.
708 * flow.c (compute_dominators): Remove dead function.
709 (compute_flow_dominators): Do not compute doms or pdoms if the
710 caller does not request them. Split up loop to build doms and
711 pdoms. Use a worklist to compute doms and pdoms.
712 * basic-block.h (compute_dominators): Remove prototype.
714 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
716 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
717 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
718 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
719 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
720 (cant_move, fed_by_spec_load, is_load_insn): Remove.
721 (schedule_region): Remove unused variable.
722 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
724 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
726 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
727 (update_equiv_regs): Likewise.
728 (block_alloc): Likewise.
729 * reg-stack.c (reg_to_stack): Likewise.
730 (convert_regs_2): Likewise.
731 * reload1.c (reload_as_needed): Likewise.
733 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
735 * Makefile.in (dbxout.o): Depend on ggc.h.
736 (dwarf2out.o): Likewise.
737 (xcoffout.o): Likewise.
738 * dbxout.c: Include ggc.h.
739 (dbxout_init): Register lastfile as a root.
740 * dwarf2out.c: Include ggc.h.
741 (dwarf2out_line): Register lastfile as a root.
742 * xcoffout.c: Include ggc.h.
743 (xcoffout_source_line): Register xcoff_lastfile as a root.
745 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
747 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
749 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
751 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
753 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
755 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
757 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
758 (EXECUTE_IF_CONFLICT): Likewise.
759 (ALLOCNO_LIVE_P): Avoid signed division.
760 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
761 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
762 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
764 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
766 * haifa-sched.c (schedule_block): Don't crash if there's no
767 next insn for an interblock movement.
768 (add_branch_dependences): Don't allow clobber insns to move either.
770 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
772 * i386.c (split_xf): New.
773 * i386-protos.h: Declare it.
774 * i386.md (movxf_1): Add general regs alternatives.
775 (movxf_1+1): New splitter for same.
777 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
779 * function.c (purge_addressof_1): Add missing return values.
781 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
783 * function.c (is_addressof): New function. Returns true if
784 the given piece of RTL is an ADDRESSOF.
785 (purge_addressof_1): Make boolean. Return false if the
786 ADDRESSOFs could not be purged.
787 (purge_addressof): If ADDRESSOFs could not be purged from the
788 notes attached to an insn, remove the offending note(s),
789 unless they are attached to a libcall.
791 1999-11-05 Andreas Jaeger <aj@suse.de>
793 * genoutput.c (null_operand =): Initialize all fields.
795 * errors.h: Add extern to prototypes.
797 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
799 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
800 * configure: Rebuilt.
802 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
804 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
805 (mirror_conflicts): New function.
806 (global_alloc): Call it.
807 (expand_preferences): Remove redundant CONFLICTP test.
808 (find_reg, dump_conflicts): Likewise.
809 (prune_preferences): Process conflicts one word at a time.
811 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
813 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
814 instead of an explicit loop.
816 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
818 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
819 if REG_RETVAL check succeeds, then put classp in src_elt.
821 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
823 * function.c (pad_to_arg_alignment): Only update argument_pad
824 if the argument's alignment is greater than STACK_BOUNDARY.
826 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
828 * bitmap.h (BITMAP_XFREE): New.
829 * flow.c (life_analysis): Use it.
830 (life_analysis_1): Free blocks.
832 * combine.c (undo_commit): New.
833 (try_combine): Use it. Don't zap undobuf.undos.
834 (combine_instructions): Don't zap undobuf.undos; free the
837 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
839 * stmt.c (cost_table_): New.
840 (estimate_case_costs): Use it instead of xmalloc.
842 * toplev.c (compile_file): Reuse dumpname memory instead
845 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
847 * reg-stack.c (convert_regs_1): Initialize target_stack->top
848 after verifying an EH edge.
850 * haifa-sched.c (init_rgn_data_dependences): Correctly
851 size bb_pending_lists_length when zeroing.
853 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
855 * function.c (diddle_return_value): New.
856 (expand_function_end): Use it.
857 * stmt.c (expand_null_return): Likewise.
858 (expand_value_return): Likewise.
860 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
862 * reload1.c (reload): Don't remove return value clobbers.
864 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
866 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
868 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
870 * cse.c (cse_main): Use xmalloc, not alloca.
871 (cse_basic_block): Likewise.
872 * local-alloc.c (local_alloc): Likewise.
874 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
875 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
877 * rtl.c: Include toplev.h.
878 (fatal): Remove declaration.
880 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
882 * haifa-sched.c (schedule_block): Fix thinko.
884 1999-11-03 James McKelvey <mckelvey@fafnir.com>
886 * fixinc/fixincl.c(create_file): Allow for systems that do not have
889 1999-11-03 Philippe De Muyter <phdm@macqel.be>
891 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
892 call `malloc' instead.
894 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
896 * flags.h (flag_renumber_insns): Declare.
897 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
899 * rtl.h (renumber_insns): Change prototype.
900 * toplev.c (flag_renumber_insns): Define.
901 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
903 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
905 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
906 and fpsqrtd. Use them and create fdiv function unit to more
907 accurately represent fpu sqrt pipeline semantics on UltraSparc.
908 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
910 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
912 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
914 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
915 insn into ready list, do not use just a raw swap.
917 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
919 * rtl.h (renumber_insns): New function.
920 (remove_unnecessary_notes): Likewise.
921 * emit-rtl.c (renumber_insns): Define.
922 (remove_unncessary_notes): Likewise.
923 * toplev.c (rest_of_compilation): Remove dead code.
924 Use renumber_insns and remove_unncessary_notes.
926 * gcse.c (struct null_pointer_info): New type.
927 (get_bitmap_width): New function.
928 (current_block): Remove.
929 (nonnull_local): Likewise.
930 (nonnull_killed): Likewise.
931 (invalidate_nonnull_info): Take a null_pointer_info as input.
932 (delete_null_pointer_checks_1): New function.
933 (delete_null_pointer_checks): Use it.
935 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
936 (split_edges): Likewise.
937 (schedule_block): Likewise.
938 (compute_block_backward_dependencies): Likewise.
939 (schedule_region): Likewise.
940 (schedule_insns): Likewise.
942 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
944 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
945 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
946 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
947 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
948 * jump.c (delete_unreferenced_labels): Don't delete if
949 LABEL_ALTERNATE_NAME is set.
950 * print-rtl.c (print_rtx): Dump alternate name.
951 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
952 * rtl.h (LABEL_ALTERNATE_NAME): Define.
953 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
954 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
956 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
958 * fix-header.c (recognized_extern, recognized_function): Constify
961 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
962 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
963 (compute_available): Remove unused variable `last'.
964 (compute_nearerout): Remove unused variable `temp_bitmap'.
965 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
966 Remove unused variable `x'.
968 * scan.h (recognized_function, recognized_extern): Constify a
971 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
973 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
975 * varasm.c (decode_rtx_const): Use XSTR to access the string
978 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
980 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
982 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
984 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
986 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
988 * pa.c (ireg_operand): New function.
989 * pa.h (PREDICATE_CODES): Handle ireg_operand.
990 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
991 Fix out of date comment.
993 * pa.md (negdi2): Turn into expander + anonymous pattern.
995 * reload.c (find_reloads): Fix typos in recent change.
997 * dwarf2out.c: Do not include ctype.h.
999 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1001 * regclass.c (record_reg_classes): Always use may_move_cost when
1002 seeing how operand fits with various register classes.
1004 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
1006 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
1007 * toplev.c: Revert Nov 1 13:22 change.
1009 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
1011 * config/pa/pa.md (height reduction patterns): Add checks for
1012 overlapping operands to avoid semantic-destroying splits for
1013 height reduction patterns.
1015 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1017 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
1018 have been an hyphen, fixed.
1019 * configure: Rebuilt.
1021 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
1023 * config/arm/tpe.h: Add prototypes for exported functions.
1024 * config/arm/pe.c: Fix compile time warnings.
1025 * config/arm/semi.h: Fix compile time warnings.
1026 * config/arm/arm.c: Fix compile time warnings.
1027 * config/arm/arm.h: Fix compile time warnings.
1028 * config/arm/arm.md: Fix compile time warnings.
1029 * config/arm/thumb.c: Fix compile time warnings.
1030 * config/arm/thumb.h: Fix compile time warnings.
1031 * config/arm/thumb.md: Fix compile time warnings.
1033 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
1035 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
1038 * unroll.c (unroll_loop): Remove LOOP notes when loop is
1039 completely unrolled.
1041 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1043 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
1045 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
1047 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
1048 * rtl.h (rtx_equal_p): Move prototype.
1049 * rtl.c (rtx_equal_function_value_matters): Move from
1051 (rtx_equal_p): Likewise.
1052 * rtlanal.c (rtx_equal_function_value_matters): Delete.
1053 (rtx_equal_p): Likewise.
1055 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
1057 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
1060 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
1062 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
1064 * pa.h (ADDR_VEC_ALIGN): Define.
1066 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
1067 notes when presented with "if (foo) break; end_of_loop" and
1068 the break sequence gets moved out of the loop.
1070 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
1071 Remove explicit zero initializations of entries within MAP.
1073 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
1075 * reg-stack.c (convert_regs_1): Handle EH edges specially.
1077 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
1079 * bitmap.h (BITMAP_XMALLOC): New macro.
1080 * flow.c (CLEAN_ALLOCA): Remove.
1081 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
1082 (life_analysis): Likewise.
1083 (update_life_info): Don't use CLEAN_ALLOCA.
1084 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
1085 (calculate_global_regs_live): Likewise.
1086 (print_rtl_with_bb): Likewise.
1087 (verify_flow_info): Likewise.
1088 * global.c (global_alloc): Likewise.
1089 (global_conflicts): Likewise.
1090 * integrate.c (save_for_inline_nocopy): Likewise.
1091 (expand_inline_function): Likewise.
1092 * jump.c (jump_optimize_1): Likewise.
1093 (duplicate_loop_exit_test): Likewise.
1094 (thread_jumps): Likewise.
1095 * loop.c (loop_optimize): Likewise.
1096 (combine_givs): Likewise.
1097 (recombine_givs): Likewise.
1098 * reorg.c (dbr_schedule): Likewise.
1099 * unroll.c (unroll_loop): Likewise.
1101 * combine.c (combine_instructions): Use xmalloc instead of alloca.
1103 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
1105 * toplev.c (rest_of_compilation): Don't optimize the CFG
1106 when rebuilding, just before dbr.
1108 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1110 * output.h (assemble_end_function, assemble_destructor,
1111 assemble_constructor, assemble_gc_entry, assemble_global,
1112 assemble_label, output_constant_pool) Constify a char*.
1114 * varasm.c (assemble_destructor, assemble_constructor,
1115 assemble_gc_entry, assemble_end_function, assemble_global,
1116 assemble_label, output_constant_pool): Likewise.
1118 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
1120 * config/arm/thumb.c (thumb_expand_prologue): Add comments
1121 explaining what is goin on in this function.
1123 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1125 * regclass.c (record_reg_classes): In matching case, recompute
1126 costs since the direction of movement is different.
1128 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1130 * resource.c (mark_target_live_regs): For unconditional branches,
1131 the resources found at the branch target should be added to the
1132 resources found so far, not intersected.
1134 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
1136 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
1138 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
1139 (sys/mman.h): Include this file only if #HAVE_MMAP.
1140 (run_compiles): Initialize `esac_fmt' with one old KR string, not
1141 with automatically concatenated ANSI strings.
1143 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
1145 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
1146 (DIV_ROUND_UP): Robustify.
1147 (ggc_recalculate_in_use_p): New function.
1148 (release_pages): Don't inline it.
1149 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
1151 (ggc_pop_context): Use ggc_recalculate_in_use_p.
1152 (clear_marks): Always save in_use_p.
1153 (sweep_pages): Use ggc_recalculate_in_use_p.
1154 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
1155 Release pages before counting statistics.
1157 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
1159 * toplev.c (rest_of_compilation): Fix thinko in this change:
1161 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
1163 (rest_of_compilation): If inside an inlined external function,
1164 pretend we are just being declared.
1166 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
1168 * flow.c (calculate_global_regs_live): Fix thinko.
1170 * integrate.c (expand_inline_function): Fix bugs in previous
1171 change from Oct 28, 1999.
1173 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
1175 * stmt.c (expand_value_return): Fix typo in this change:
1177 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1178 (expand_value_return): Correctly convert VAL when promoting function
1179 return; support RETURN_REG being a PARALLEL.
1181 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
1183 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
1185 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1187 * hard-reg-set.h (reg_names): Constify a char*.
1189 * regclass.c (reg_names): Likewise.
1191 * regs.h (reg_names): Likewise
1193 * a29k/a29k.c (reg_names): Delete declaration.
1195 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
1197 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
1198 arc_output_function_epilogue): Likewise.
1200 * elxsi/elxsi.c (reg_names): Likewise.
1202 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
1204 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
1207 * m88k/m88k.c (output_function_profiler): Likewise.
1209 * sparc/sparc.c (sparc_flat_output_function_prologue,
1210 sparc_flat_output_function_epilogue): Likewise.
1212 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
1214 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
1215 warning from -Wuninitialized and put it under -W.
1216 * function.c (uninitialized_vars_warning): Warn only when the
1217 corresponding flag is set.
1219 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
1221 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
1222 is nonzero and the single set does not have an elt, then assign
1225 * simplify-rtx.c: New file.
1226 * Makefile.in (OBJS): Add simplify-rtx.o
1227 (simplify-rtx.o): Add dependencies.
1228 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
1229 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
1230 (cse_gen_binary, simplify_unary_operation): Delete.
1231 (simplify_binary_operation, simplify_plus_minus): Likewise.
1232 (check_fold_consts, simplify_relation_operation): Likewise.
1233 (simplify_ternary_operation): Likewise.
1234 (delete_trivially_dead_insns): Simplify the contents of the
1235 REG_EQUAL note before trying to substitute it into the source
1236 of the reg-reg copy at the end of a libcall sequence.
1238 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
1239 references/callers changed.
1241 * mn10200.c (mn10200_va_arg): Force the return value into a
1244 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
1246 * cccp.c (macroexpand): Avoid out of range accesses for omitted
1249 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
1251 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
1253 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
1255 * fold-const.c (fold): Fix thinko when optimizing comparisons
1258 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
1260 * gcc.texi (Passes): Update front-end files to their current
1263 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
1265 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
1266 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1267 (PREDICATE_CODES): Add addition_operation.
1268 * alpha-protos.h (addition_operation): Declare.
1269 (secondary_reload_class): Likewise.
1270 * alpha.c (addition_operation): New.
1271 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
1272 * alpha.md (adddi3): Turn into expander.
1273 (*lda, *adddi_2): New.
1274 (movsf, movdf patterns): Don't preference integer regs.
1275 (movsi, movdi patterns): Don't preference fp regs.
1277 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
1279 * genrecog.c (write_switch): Check for duplicate CODE cases.
1281 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
1283 * ggc-common.c: Update pre-function commentary.
1284 * ggc-page.c: Likewise.
1286 (poison_pages): Use memset directly.
1287 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
1288 (ggc_collect): Poison before sweeping.
1289 * ggc-simple.c: Update pre-function commentary.
1290 (ggc_alloc_obj): Poison non-zeroed memory.
1292 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
1294 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
1295 match format string, even on 64-bit hosts.
1296 * gcc-page.c (ggc_page_print_statistics): Likewise.
1298 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
1300 * config/i386/i386.c (ix86_cpu): Revert last patch.
1301 * config/i386/i386.h (ix86_cpu): Ditto.
1303 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
1305 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
1306 TYPE_SIZE, convert type of result to sizetype.
1308 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
1310 * flow.c (count_or_remove_death_notes): Equate NULL with the
1313 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
1314 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
1317 * i386.c (pic_label_no): Delete.
1318 (ix86_attr_length_default): Don't use single_set to peek
1321 * recog.c (peephole2_optimize): Allow recog_next_insn to index
1322 the first insn after bb->end.
1323 * i386.md (push mem peeps): Scratch is live after evaluation
1325 (cmp mem peep): Similarly.
1327 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
1329 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
1330 * function.c (pad_to_arg_alignment): Add missing braces.
1332 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1334 * alpha/alpha-protos.h (literal_section): Add prototype.
1335 (alpha_need_linkage, alpha_start_function,alpha_end_function):
1338 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
1340 (alpha_start_function, alpha_end_function, float_strings,
1341 alpha_need_linkage): Constify a char*
1343 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
1345 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
1347 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1349 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
1351 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1353 * flow.c (debug_flow_info): Add prototype.
1355 * gcc.c (main): Likewise.
1357 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
1360 * reload1.c (failed_reload, set_reload_reg): Likewise.
1362 * mips-tfile.c (main): Likewise.
1363 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
1364 with ATTRIBUTE_NORETURN.
1366 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
1368 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
1369 DECL is not a memory ref.
1371 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
1373 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
1374 * config/i386/i386.c (ix86_cpu): Add extern attribute.
1376 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
1378 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
1379 * config/mips/elf64.h: ditto.
1381 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
1383 * expr.c (emit_push_insn): New argument alignment_pad.
1384 Update all callers. Adjust stack pointer based on alignment pad.
1385 * function.c (pad_to_arg_alignment): New argument alignment_pad.
1386 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
1387 (locate_and_pad_parm): New argument alignment_pad. Update all
1389 * expr.h (emit_push_insn): Update prototype.
1390 (locate_and_pad_parm): Update prototype.
1391 * calls.c (arg_data): Add new field alignment_pad.
1392 (initialize_argument_information): Initialize alignment_pad.
1394 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
1396 * except.c (free_eh_nesting_info): Free the info itself.
1397 * function.c (free_after_compilation): Don't free NULL.
1398 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
1399 (pre_edge_insert): Free inserted.
1400 * stmt.c (free_stmt_status): Don't free NULL.
1402 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
1404 * gcov.c (DIR_SEPARATOR): Provide default.
1405 (output_data): Add test for MS-DOS format absolute filename.
1406 (fancy_abort): Correct program name.
1407 (open_files): Open all files in binary mode.
1408 * libgcc2.c (__bb_exit_func): Likewise.
1410 * profile.c (init_branch_prob): Specify binary when opening files.
1412 * flags.h (flag_unwind_tables): New decl.
1413 * toplev.c (flag_unwind_table): New definition.
1414 (f_options): Add -funwind-tables.
1415 (decode_g_option): Clarify warning when unknown -g option is given.
1416 (rest_of_compilation): If inside an inlined external function,
1417 pretend we are just being declared.
1419 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
1420 (dwarf2out_frame_finish): Likewise.
1422 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
1424 * fold-const.c (merge_ranges): In not in0, but in1, handle
1425 upper bounds equal like subset case.
1427 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
1429 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
1430 passed in a register but moved to the stack.
1432 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
1434 * gcc.c (pass_exit_codes, greatest_status): New variables.
1435 (struct option_map): Add entry for "--pass-exit-codes".
1436 (execute): Update greatest_status if error.
1437 (display_help): Add documentation for -pass-exit-codes.
1438 (process_command): Handle -pass-exit-codes.
1439 (main): Look at pass_exit_codes and greatest_status on call to exit.
1441 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1443 * reload.c (find_reloads): Refine test for no input reload
1444 case to not includes reloads emitted after insn.
1446 * function.c (find_temp_slots_from_address): Handle sum involving
1447 a register that points to a temp slot.
1448 (update_temp_slot_address): Make recursive call if both old and
1449 new are PLUS with a common operand.
1450 * calls.c (expand_call): Mark temp slot for result as having
1453 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
1455 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
1456 component as well as "BINUTILS".
1458 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
1459 * integrate.c (copy_rtx_and_substitute): Likewise.
1460 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
1461 All callers changed.
1462 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
1464 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
1465 gdb extensions, write size of type; also be more consistent
1466 in using references when this is a subtype.
1468 * pa.md (extv, extzv, insv): Use define_expand to reject constant
1469 that is out of range.
1471 * loop.c (unknown_constant_address_altered): New variable.
1472 (prescan_loop): Initialize it.
1473 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
1474 (invariant_p, case MEM): Remove handling for volatile and readony;
1475 check new variable if readonly.
1476 (check_dbra_loop): Chdeck unknown_constant_address_altered.
1478 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
1479 (addr_affects_sp_p): Removed from note_mem_written and only
1480 define #ifdef AUTO_INC_DEC.
1482 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
1484 * regclass.c (record_reg_classes): Properly handle register move
1487 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
1488 Don't think valid if both operands are invalid.
1489 (struct constant_descriptor): New field RTL.
1490 (mark_const_hash_entry): Mark it.
1491 (record_constant{,_rtx}): Initialize it.
1492 (output_constant_def): Allocate RTL in permanent obstack and
1494 ({record,compare}_constant_1): Modes must match for
1495 CONSTRUCTOR of ARRAY_TYPE.
1497 * c-common.h (initializer_constant_valid_p): Delete decl from here.
1498 * output.h (initializer_constant_valid_p): Move decl to here.
1499 * c-common.c (initializer_constant_valid_p): Delete function from here.
1500 * varasm.c (initializer_constant_valid_p): Move function to here.
1502 * tree.h (STRIP_SIGN_NOPS): New macro.
1503 * fold-const.c (optimize_minmax_comparison): New function.
1504 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
1505 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
1506 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
1507 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
1508 widening conversions.
1509 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
1510 to look at size of mode, not precision of type; also add missing cases.
1511 (optimize_bit_field_compare, decode_field_reference): Don't try to
1512 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
1514 * dwarf2out.c (ctype.h): Include.
1515 (dwarf2out_set_demangle_name_func): New function.
1516 (size_of_line_info): Deleted.
1517 (output_line_info): Compute size of line info table from difference
1519 (base_type_die, add_name_attribute): Call demangle function, if any.
1520 (field_byte_offset): Use bits per word for variable length fields.
1521 (gen_array_type_die): Add array name.
1522 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
1523 (dwarf2out_add_library_unit_info): New function.
1525 * explow.c (set_stack_check_libfunc): New function.
1526 (stack_check_libfunc): New static variable.
1527 (probe_stack_range): Allow front-end to set up a libfunc to call.
1529 * combine.c (simplify_comparison): When making comparison in wider
1530 mode, check for having commuted an AND and a SUBREG.
1531 (contains_muldiv): New function.
1532 (try_combine): Call it when dividing a PARALLEL.
1533 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
1534 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
1536 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
1537 use one of the CLOBBERs instead.
1538 (if_then_else_cond): If comparing against zero, just return thing
1541 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
1542 Don't generate shifts and subtract if have conditional arithmetic.
1544 * rtl.h (delete_barrier): New declaration.
1545 * jump.c (jump_optimize): Set up to handle conditional call.
1546 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
1547 (delete_barrier): New function.
1549 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
1551 * recog.c (nonmemory_operand): Accept ADDRESSOF.
1553 * tree.c (build_type_attribute_variant): Push to obstack of
1554 ttype around type_hash_canon call.
1556 * expr.c (placeholder_list): Move decl to file scope.
1557 (expand_expr): Don't force access to volatile just because its
1559 If ignoring reference operations, just expand the operands.
1560 (expand_expr, case COMPONENT_REF): Propagate
1561 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
1562 Refine test for using bitfield operations vs pointer punning.
1563 (expand_expr, case CONVERT_EXPR): If converting to
1564 BLKmode UNION_TYPE from BLKmode, just return inner object.
1565 Use proper mode in store_field call.
1566 Properly set sizes of object to store and total size in store_field
1567 call for convert to union.
1568 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
1569 memory (like for ADDR_EXPR). Also, don't put constant in register if
1570 we'll want it in memory.
1571 (readonly_fields_p): New function.
1572 (expand_expr, case INDIRECT_REF): Call it if LHS.
1573 (expand_assignment): Handle a RESULT_DECL where
1574 DECL_RTL is a PARALLEL.
1575 (do_jump, case WITH_RECORD_EXPR): New case.
1576 (get_inner_reference): Always go inside a CONVERT_EXPR
1577 and NOP_EXPR if both modes are the same.
1578 (store_field): Use bitfield operations if size of bitsize is not same
1579 as size of RHS's type.
1580 Check for bitpos not a multiple of alignment in BLKmode case.
1581 Do block move in largest possible alignment.
1582 (store_constructor): Set BITSIZE to -1 for variable size and properly
1583 in case of array of BLKmode.
1584 (expand_expr_unaligned): New function.
1585 (do_compare_and_jump): Call it.
1587 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
1588 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
1589 does not include 'o'.
1591 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
1592 both SET_DEST and SET_SRC reference a virtual register.
1593 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
1595 * integrate.c (expand_inline_function): Handle case of setting
1596 virtual stack vars register (from built in setjmp); when parameter
1597 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
1598 (subst_constant): Add new parm, MEMONLY.
1599 (expand_inline_function, integrate_parm_decls): Pass new parm.
1600 (integrate_decl_tree): Likewise.
1601 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
1602 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
1603 (copy_rtx_and_substitute, case SET): Add explicit calls to
1604 copy_rtx_and_substitute for both sides.
1606 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
1608 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
1609 within INDEX_TYPE, instead of before.
1610 (fixup_gotos): Use f->target_rtl, not the next insn,
1611 since latter may be from a later fixup.
1612 (expand_value_return): Correctly convert VAL when promoting function
1613 return; support RETURN_REG being a PARALLEL.
1614 (expand_return): When checking for result in regs and having
1615 cleanup, consider PARALLEL in DECL_RTL as being in regs.
1617 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
1619 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
1620 last_nominal_fname): Mark const.
1621 (struct include_hash: name, nshort, control_macro): Mark
1623 (struct macrodef: symnam): Mark const.
1624 (struct if_stack: fname): Mark const.
1625 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
1626 (IStable): New character-syntax array which encompasses all
1627 the old is_foo arrays.
1628 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
1629 is_space): New macros for interrogating IStable.
1630 (check_macro_name): Kill last argument. All callers changed.
1632 * cppinit.c (initialize_char_syntax): Delete.
1633 (is_idchar, is_idstart, is_hor_space, is_space,
1634 trigraph_table): Delete.
1635 (IStable): New. Initialize with clever macros to avoid
1636 information duplication.
1637 (builtin_array): Table of builtins to get rid of explicit list
1638 in initialize_builtins.
1639 (initialize_builtins): Use builtins_array.
1640 (cpp_start_read): Call init_IStable, and set IStable['$'] if
1641 opts->dollars_in_ident.
1643 * cppexp.c: Change all refs to is_xyz[] arrays to use new
1645 (cpp_parse_expr): Avoid 'format string is not constant'
1646 warning. Use ISGRAPH to identify printable chars.
1647 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
1649 (read_and_prescan): Map trigraphs to chars with open-coded
1650 if-else-if-... sequence, not a lookup table.
1651 * cpphash.c: Change all refs to is_xyz[] arrays to use new
1653 * cpplib.c: Change all refs to is_xyz[] arrays to use new
1654 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
1655 (check_macro_name): Remove ability to report an invalid
1656 assertion name, which is never used.
1657 (do_line): Constify a couple of char *'s.
1658 * cppmain.c (main): Call cpp_cleanup before returning.
1660 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
1662 * ggc.h (struct ggc_statistics): New type.
1663 (ggc_get_size): New function.
1664 (ggc_print_statistics): Likewise.
1665 * ggc-common.c (ggc_stats): New variable.
1666 (ggc_mark_rtx_children): Keep statistics.
1667 (ggc_mark_tree_children): Likewise.
1668 (ggc_print_statistics): New function.
1669 * ggc-page.c (struct globals): Add bytes_mapped field.
1670 (alloc_anon): Update it.
1671 (release_pages): Likewise.
1672 (ggc_get_size): New function.
1673 (ggc_page_print_statistics): New function.
1674 * ggc-simple.c (ggc_get_size): New function.
1676 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
1678 * flow.c (propagate_block): When the last reference to a label
1679 before an ADDR_VEC is deleted because the reference is a dead
1680 store, delete the ADDR_VEC.
1682 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
1684 * resource.c (find_free_register): Don't use the frame pointer
1685 if frame_pointer_needed.
1687 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
1689 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
1690 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
1692 * config/i960/i960.c (i960_va_start): New locals base, num.
1693 Use INDIRECT_REF instead of ARRAY_REF on valist.
1694 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
1696 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
1698 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
1700 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
1702 * tree.def (PLACEHOLDER_EXPR): Update comments.
1704 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1706 * c-common.c (check_format_info): Avoid non-literal format string
1707 warnings when `first_arg_num' is zero.
1709 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1711 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
1713 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
1715 * arm.md (casesi_insn): Add a clobber of the condition code
1718 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
1720 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
1721 used by both cc1 and cc1plus.
1723 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
1725 * config/arm/arm.c: Initialise arm_structure_size_boundary to
1726 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
1727 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
1728 to the value 32 if it has not already been defined.
1729 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
1730 Override definition in arm.h with a value of 8.
1732 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
1734 * c-pragma.c (push_alignment): Don't check the return value
1737 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
1739 * sparc.h (ADJUST_COST): Fix thinko.
1741 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
1743 * cccp.c (rescan): Fixed obp pointer handling around call to
1744 check_expand subroutine.
1746 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
1748 * gcse.c (delete_null_pointer_checks): Only record non-null info
1749 for pseudos when examining stores.
1751 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
1752 splitters for these patterns. Use "#" for output templates.
1753 (addsi3_carryin_shift): New pattern.
1755 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
1757 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
1758 of the function return register into a plain REG until
1759 after function inlining is done.
1761 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
1763 * jump.c (jump_optimize_1): If we did cross-jumping, and
1764 the data will matter, rebuild the CFG.
1765 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
1766 not optimizing. Don't run shorten_branches.
1767 * toplev.c (rest_of_compilation): Run shorten_branches after
1770 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
1772 * rtl.h (note_stores): Add additional paramter.
1773 * rtlanal.c (reg_set_p_1): Take additional paramter.
1774 (reg_set_last_1): Likewise.
1775 (reg_set_p): Adjust call to note_stores.
1776 (reg_set_last): Likewise.
1777 (note_stores): Pass data parameter to worker function.
1778 * alias.c (record_set): Take additional parameter.
1779 (init_alias_analysis): Pass it.
1780 * caller-save.c (mark_set_regs): Take additional parameter.
1781 (save_call_clobbered_regs): Pass NULL to note_stores.
1782 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
1784 (record_dead_and_set_regs_1): Likewise.
1785 (reg_dead_at_p_1): Likewise.
1786 (combine_instructions): Adjust calls to note_stores.
1787 (try_combine): Likewise.
1788 (record_dead_insn): Remove.
1789 (record_dead_and_set_regs): Adjust calls to note_stores.
1790 (reg_dead_at_p): Likewise.
1791 * cse.c (invalidate_skipped_set): Take additional parameter.
1792 (cse_check_loop_start): Likewise.
1793 (cse_check_loop_start_value): Remove.
1794 (cse_set_around_loop): Adjust calls to note_stores.
1795 * flow.c (notice_stack_pointer_modification): Take additional
1796 parameter. Remove duplicate declaration.
1797 (record_volatile_insns): Adjust calls to note_stores.
1798 * gcse.c (record_set_info): Take additional parameter.
1799 (record_last_set_info): Likewise.
1800 (invalidate_nonnull_info): Likewise.
1801 (record_set_insn): Remove.
1802 (compute_sets): Adjust calls to note_stores.
1803 (last_set_insn): Remove.
1804 (compute_hash_table): Adjust calls to note_stores.
1805 (insert_insn_end_bb): Likewise.
1806 (delete_null_pointer_checks): Likewise.
1807 * global.c (mark_reg_store): Take additional parameter.
1808 (mark_reg_clobber): Likewise.
1809 (reg_becomes_live): Likewise.
1810 (global_conflicts): Adjust calls to note_stores.
1811 (build_insn_chain): Likewise.
1812 * integrate.c (note_modified_parmregs): Take additional parameter.
1813 (mark_stores): Likewise. Make it static.
1814 (save_for_inline_nocopy): Adjust calls to note_stores.
1815 (try_constants): Likewise.
1816 * integrate.h (mark_stores): Remove declaration.
1817 * jump.c (mark_modified_reg): Take additional parameter.
1818 (thread_jumps): Adjust calls to note_stores.
1819 * local-alloc.c (validate_equiv_mem_from_store): Take additional
1821 (no_equiv): Likewise.
1822 (reg_is_set): Likewise.
1823 (validate_equiv_mem): Adjust calls to note_stores.
1824 (update_equiv_regs): Likewise.
1825 (block_alloc): Likewise.
1826 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
1827 (note_addr_stored): Take additional parameter.
1828 (note_set_pseudo_multiple_uses): Likewise.
1829 (record_initial): Likewise.
1830 (prescan_loop): Adjust calls to note_stores.
1831 (strength_reduce): Likewise.
1832 (check_dbra_loop): Likewise.
1833 * regmove.c (flags_set_1): Take additional paramter.
1834 (mark_flags_life_zones): Adjust calls to note_stores.
1835 * reload1.c (mark_not_eliminable): Take additional parameter.
1836 (forget_old_reloads_1): Likewise.
1837 (reload_cse_invalidate_rtx): Likewise.
1838 (reload_cse_check_clobber): Likewise.
1839 (reload_combine_note_store): Likewise.
1840 (move2add_note_store): Likewise.
1841 (reload): Adjust calls to note_stores.
1842 (reload_as_needed): Likewise.
1843 (emit_reload_insns): Likewise.
1844 (reload_cse_regs_1): Likewise.
1845 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
1846 (reload_combine): Adjust calls to note_stores.
1847 * resource.c (update_live_status): Take additional paramter.
1848 (mark_target_live_regs): Adjust calls to note_stores.
1849 * stupid.c (find_clobbered_regs): Take additional parameter.
1850 (stupid_life_analysis): Adjust calls to note_stores.
1852 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
1854 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
1857 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
1860 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
1861 of the variable arm_structure_size_boundary.
1863 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
1865 * alias.c (init_alias_analysis): Allocate reg_known_value and
1866 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
1868 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
1869 * cse.c (cse_main): Call end_alias_analysis.
1870 * haifa-sched.c (schedule_insns): Likewise.
1871 * local-alloc. (update_equiv_regs): Likewise.
1872 * reload1.c (reload_cse_regs): Likewise.
1874 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1876 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
1877 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
1878 mapping from MASK_FPU.
1880 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
1882 * sparc.md (call): Don't bound structure return size to 0xfff.
1884 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
1886 * resource.c (mark_target_live_regs): Check that the target
1887 insn wasn't created after compute_bb_for_insn.
1889 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
1891 * ggc-page.c (poison_pages): Don't be overzealous.
1893 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
1895 * alias.c: Update comments for ADDRESS.
1896 (nonlocal_reference_p): Look inside the ADDRESS to determine if
1897 it is a local memory reference.
1899 * c-typeck.c (build_function_call): Check that the built-in
1900 function is of class BUILT_IN_NORMAL before trying to recongize
1902 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
1903 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
1905 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
1907 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
1909 (pre_gcse): Likewise.
1910 (hoist_expr_reaches_here_p): Likewise.
1911 (hoist_code): Likewise.
1912 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
1914 (pre_expr_reaches_here_p_work): ... here.
1915 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
1917 (expr_reaches_here_p_work): ... here.
1919 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
1921 * resource.c (find_basic_block): Delete.
1922 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
1923 (init_resource_info): Call compute_bb_for_insn.
1925 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
1927 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
1928 with already adjacent blocks, but no fallthru.
1929 (merge_blocks_move_successor_nojumps): Simplify.
1930 (debug_flow_info): New.
1932 * toplev.c (rest_of_compilation): Open jump1 dump file before
1933 jump and close after, as opposed to just using dump_rtl.
1935 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1937 * reload.h (earlyclobber_operand_p): Declare.
1938 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
1939 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
1940 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
1941 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
1943 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
1944 Richard Henderson <rth@cygnus.com>
1946 * emit-rtl.c (emit_block_insn_before): New.
1947 (emit_block_insn_after): New.
1948 * basic-block.h: Declare them.
1950 * bitmap.h: Protect from multiple inclusion.
1952 * recog.c (scratch_operand): Handle VOIDmode correctly.
1954 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
1956 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
1957 * function.c (assign_parms): Likewise.
1958 * global.c (global_conflicts): Clarify STACK_REGS commentary.
1960 * reg-stack.c (max_uid): Remove.
1961 (blocks, block_begin, block_end, block_drops_in): Remove.
1962 (block_stack_in, block_out_reg_set, block_number): Remove.
1963 (struct block_info_def, BLOCK_INFO): New.
1964 (enum emit_where): New.
1965 (current_block): New.
1966 (BLOCK_NUM): Remove.
1967 (mark_regs_pat, record_label_references): Remove.
1968 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
1970 (goto_block_pat, print_blocks, dump_stack_info): Remove.
1971 (reg_to_stack): Simplified test for existance of fp code. Use
1972 flow.c code. Call shorten_branches after cross-jump opt.
1973 (check_asm_stack_operands): Renamed from record_asm_reg_life.
1974 Return false if the asm doesn't use stack regs. Don't do life
1975 analysis on the asm.
1976 (emit_pop_insn): Replace function pointer arg `when' with
1977 enum `where'. Update all callers.
1978 (change_stack): Likewise. Update basic block end.
1979 (emit_swap_insn): Use current_block->head to limit reverse search
1980 for start of block. Use emit_block_insn_after.
1981 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
1982 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
1983 structure assignment instead of bcopy.
1985 (convert_regs_entry, convert_regs_exit): New.
1986 (convert_regs_1, convert_regs_2): Split out from convert_regs.
1987 Work on basic blocks and the CFG.
1988 (convert_regs): Use them.
1990 * i386.c (output_fix_trunc): Remove code for DImode input operand
1991 not at top-of-stack.
1992 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
1994 (fix_truncdi_1): Allow any mode scratch.
1996 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
1998 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
1999 * linux.h, netbsd.h, vms.h: Not here.
2001 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
2003 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
2004 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
2005 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
2006 CONDITIONAL_REGISTER_USEAGE): Use them.
2007 * config/mips/mips.c (mips_move_1word,mips_move_2words,
2008 gen_conditional_branch,override_options) : Use them.
2009 * config/mips/mips.md : Use them.
2011 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
2013 * i386.md (zero_extendqihi2): Use SImode register name with andl.
2015 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
2017 * integrate.c (function_cannot_inline_p): Don't allow inlining
2020 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2022 * c-parse.in (cast_expr): Constify.
2024 * cccp.c (special_symbol): Likewise.
2026 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
2028 * dwarf2out.c (base_type_die): Likewise.
2030 * global.c (allocno_compare): Likewise.
2032 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
2034 * regclass.c (fix_register): Likewise.
2036 * rtl.h (fix_register): Likewise.
2038 * stupid.c (stupid_reg_compare): Likewise.
2040 * toplev.c (decode_f_option): Likewise.
2042 * tree.c (build_complex_type): Likewise.
2044 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
2046 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
2048 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2050 * reload.c (find_reloads): Compute mode and nregs fields of all
2052 * reload1.c (calculate_needs_all_insns): Simplify a bit.
2053 (calculate_needs): Use precomputed mode/nregs values.
2054 (allocate_reload_reg): Likewise.
2056 (failed_reload, set_reload_reg): ... new functions.
2057 (choose_reload_regs_init): New function, mostly broken out from...
2058 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
2059 Also lose one #if 0 block.
2061 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
2063 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
2066 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
2068 * tree.h (BLOCK_TYPE_TAGS): Remove.
2069 (BLOCK_END_NOTE): Likewise.
2070 (BLOCK_LIVE_RANGE_FLAG): Likewise.
2071 (BLOCK_LIVE_RANGE_START): Likewise.
2072 (BLOCK_LIVE_RANGE_END): Likewise.
2073 (tree_block): Remove live_range_flag, live_range_var_flag, and
2074 type_tags. Remove end_note, live_range_start, and live_range_end.
2075 (remember_end_note): Remove prototype.
2076 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
2077 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
2079 * ggc-common.c (ggc_mark_tree_children): Don't mark
2080 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
2081 * integrate.c (adjust_copied_decl_tree): Remove.
2082 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
2083 * stmt.c (last_block_end_note): Remove.
2084 (init_stmt): Don't add a GC root for it.
2085 (expand_fixup): Don't set it.
2086 (remember_end_note): Remove.
2087 (expand_end_bindings): Don't set last_block_end_note.
2089 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2091 * reload1.c (reload_reg_free_for_value_p): Show
2092 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
2095 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
2097 * expmed.c (extract_bit_field): Allow for the case of non-integer
2098 objects that are smaller than a word (like SFmode on a 64-bit
2101 * loop.c (basic_induction_var): A non-integer variable which is
2102 being set by a paradoxical subreg is probably not a biv.
2104 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2106 * prefix.c (translate_name) Check for empty prefix string.
2108 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
2110 * Makefile.in (CPP_CROSS_NAME): New variable.
2111 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
2113 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
2114 names of the files to be uninstalled.
2116 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
2118 * collect2.c (IS_DIR_SEPARATOR): Define.
2119 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
2121 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
2124 * haifa-sched.c (add_dependence): Update the true dependency
2125 cache the first time we add a true dependence to the LOG_LINKS chain.
2127 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
2129 * fold-const.c (fold): Fix comment.
2131 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2133 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
2134 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
2135 dbxout_start_new_source_file, dbxout_source_file,
2136 dbxout_source_line, dbxout_finish, dbxout_type_fields,
2137 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
2139 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
2140 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
2141 (dbxout_block): Initialize variable `blocknum'.
2143 * dbxout.h (dbxout_init, dbxout_finish,
2144 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
2145 dbxout_args, dbxout_source_line): Constify a char*.
2147 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
2148 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
2149 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
2150 low_pc_attribute, high_pc_attribute, body_begin_attribute,
2151 body_end_attribute, comp_dir_attribute, sf_names_attribute,
2152 src_info_attribute, mac_info_attribute, producer_attribute,
2153 lookup_filename, generate_macinfo_entry, fundamental_type_code,
2154 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
2155 dwarfout_undef): Constify a char*.
2156 (add_incomplete_type, retry_incomplete_types): Add prototypes.
2158 * dwarfout.h (dwarfout_define, dwarfout_undef,
2159 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
2161 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
2163 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
2164 (MULTILIB_ISA_DEFAULT): New.
2165 (MULTILIB_DEFAULTS): Use it.
2166 * config/mips/mips.c (): Remove the now unnecessary definition
2167 of MIPS_ISA_DEFAULT.
2168 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
2169 unnecessary definition.
2171 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
2173 * arm.md (pic_load_addr): Add constraints to operand 1.
2175 1999-10-25 Bruce Korb <autogen@linuxbox.com>
2177 * fixinc/genfixes: Provide a means for specifying -D options to
2180 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
2182 * arm.c (arm_override_options): Correct initialization of
2183 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
2184 arm_is_strong, and arm_is_6_or_7.
2186 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
2187 (note_set_pseudo_multiple_uses): New function.
2188 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
2189 if a pseudo set in the loop exit is used elsewhere.
2191 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
2193 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
2195 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
2197 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
2198 a single load-address pattern.
2200 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
2202 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
2203 depending on whether or not line-number notes are present.
2205 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2207 * cccp.c (progname, file_buf, default_include, include_file,
2208 macrodef, definition, hashval, wchar_type, user_label_prefix,
2209 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
2210 expand_to_temp_buffer, is_system_include, base_name,
2211 absolute_filename, read_name_map, open_include_file,
2212 record_control_macro, check_precompiled, check_preconditions,
2213 pcfinclude, pass_thru_directive, create_definition,
2214 check_macro_name, comp_def_part, collect_expansion,
2215 check_assertion, read_token_list, assertion_install,
2216 assertion_lookup, eval_if_expression, conditional_skip,
2217 validate_else, skip_quoted_string, quote_string, macarg1,
2218 error_from_errno, install, lookup, hashf, dump_defn_1,
2219 perror_with_name, pfatal_with_name, main, trigraph_pcp,
2220 check_white_space, rescan, handle_directive, monthnames,
2221 special_symbol, do_include, remap_include_file, write_output,
2222 arglist, do_assert, do_unassert, do_line, do_error, do_once,
2223 do_ident, do_sccs, do_xifdef, skip_if_group,
2224 output_line_directive, macroexpand, macarg, change_newlines,
2225 initialize_builtins, make_definition): Constify a char*.
2227 * pcp.h (stringdef): Likewise.
2229 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
2231 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
2234 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
2235 Richard Henderson <rth@cygnus.com>
2237 * alias.c: Include ggc.h.
2238 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
2239 (record_set): Verify enough room in reg_base_value.
2240 (init_alias_analysis): Allocate reg_base_value with xcalloc.
2241 Register it as a GC root.
2242 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
2243 * Makefile.in (alias.o): Depend on ggc.h.
2245 * unroll.c (unroll_loop): Verify the insn before a barrier
2246 is a JUMP_INSN before checking JUMP_LABEL.
2248 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2250 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
2251 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
2252 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
2253 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
2254 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
2255 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
2257 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2259 * output.h (ctors_section, dtors_section, bss_section): Prototype.
2261 * alpha/alpha-interix.h (text_section): Delete prototype.
2262 * alpha/elf.h (text_section): Likewise.
2263 * arm/linux-elf.h (text_section): Likewise.
2264 * arm/linux-telf.h (text_section): Likewise.
2265 * c4x/c4x.h (text_section): Likewise.
2266 * dsp16xx/dsp16xx.h (bss_section): Likewise.
2267 * elfos.h (text_section): Likewise.
2268 * i386/aix386ng.h (text_section): Likewise.
2269 * i386/i386-interix.h (text_section): Likewise.
2270 * i386/sco5.h (text_section): Likewise.
2271 * i386/svr3gas.h (text_section): Likewise.
2272 * nextstep.h (text_section): Likewise.
2273 * psos.h (text_section): Likewise.
2274 * ptx4.h (text_section): Likewise.
2275 * svr3.h (text_section): Likewise.
2276 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
2278 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2280 * final.c (peephole): Delete prototype.
2282 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
2283 (pre_insert_copies): Remove unused variable `bb'.
2285 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
2288 * output.h (peephole): Add prototype.
2290 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
2292 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
2295 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
2297 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
2298 for inlined declarations.
2300 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
2302 * arm.c (logical_binary_operator): New fucntion.
2303 * arm.h (logical_binary_operator): Declare it.
2304 (PREDICATE_CODES): Handle logical_binary_operator.
2305 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
2306 output constraints. Add appropriate splitters.
2307 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
2308 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
2309 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
2311 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2313 * genoutput.c (struct operand_data): New elt eliminable.
2314 (output_operand_data): Write it.
2315 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
2316 (compare_operands): Take it into account.
2317 * recog.h (struct insn_operand_data): New elt eliminable.
2318 * reload1.c (check_eliminable_occurrences, elimination_effects): New
2320 (old_asm_operands_vec, new_asm_operands_vec): Delete.
2321 (eliminate_regs): Move code that detects changes to elimination
2322 target regs into new function elimination_effects.
2323 Delete one #if 0 block.
2324 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
2325 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
2326 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
2327 Only call eliminate_regs for real operands of the insn, not for parts
2328 of its structure or parts matched by things like match_operator.
2329 Use elimination_effects and check_eliminable_occurrences. Use
2330 copy_insn to duplicate the pattern when not in the final pass.
2332 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
2334 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
2337 1999-10-22 Bruce Korb <autogen@linuxbox.com>
2339 * fixinc/README: document the "mach" machine matching test
2340 * fixinc/fixfixes.c: Implement the #else/#endif label fix
2341 * fixinc/fixtests.c: Implement the #else/#endif label test
2342 * fixinc/inclhack.def: utilize these tests and fixes
2343 * fixinc/inclhack.sh: regen
2344 * fixinc/fixincl.x: regen
2345 * fixinc/fixincl.sh: regen
2347 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
2349 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
2352 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
2354 * gcc.1: Document exit codes.
2356 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2358 * calls.c: Include tm_p.h later, so everything we need is defined.
2360 * function.c: Likewise.
2362 * except.c: Include tm_p.h.
2364 * sparc.c: Likewise.
2365 (dwarf2out_cfi_label): Don't prototype.
2366 (check_return_regs, epilogue_renumber,
2367 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
2368 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
2369 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
2370 ultra_schedule_insn): Add static prototype.
2371 (data_segment_operand, text_segment_operand): Call itself with the
2372 proper number of arguments.
2373 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
2375 * sparc.h: Move all declarations to sparc-protos.h.
2376 (SELECT_RTX_SECTION): Pass a missing MODE argument to
2379 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
2381 * config/svr4.h (text_section, ctors_section, dtors_section): Add
2383 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
2384 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
2385 ASM_OUTPUT_ASCII): Constify a char*.
2387 * sparc-protos.h: New file for sparc prototypes.
2389 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2391 * function.c (record_insns, contains): Always declare and define.
2392 (record_insns): Mark with ATTRIBUTE_UNUSED.
2394 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
2396 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
2397 to .section when outputting a .bss section to deal with multiple
2398 .bss input sections (as happens with -fdata-sections)
2399 Also output %progbits, not @progbits so the assembler doesn't treat as
2401 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
2403 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
2404 thumb parts even when building with non-thumb CPUs, by forcing
2407 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
2409 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
2410 (movdf_const_intreg_sp64): Similarly.
2412 * local-alloc.c (update_equiv_regs): Check the correct insn
2413 for pre-existing REG_EQUIV notes.
2415 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
2417 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
2418 block reached by a branch if we're not going to actually process
2421 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
2423 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
2424 a local extern function declaration.
2426 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
2428 * i386.c (ix86_expand_prologue): Properly wrap USE around
2429 reg for CALL_INSN_FUNCTION_USAGE.
2431 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
2433 * config/mips/mips.md (movdf_internal1a): Allow floating-point
2434 move between GP_REGs.
2436 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
2438 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
2439 the mode size when finding out if an offset is legal.
2441 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
2443 * basic-block.h (PROP_*): Move constants from ...
2445 (compute_bb_for_insn): Free the array before reallocating.
2446 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
2447 (allocate_reg_life_data): Reset all reg variables collected by
2449 (get_block_head_tail): Don't convert from bb to block.
2450 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
2451 (find_insn_reg_weight): Take block not bb.
2452 (schedule_block): Don't set block num for moved insns.
2453 (schedule_region): Don't update_life_info or find_insn_reg_weight.
2454 (schedule_insns): Do it here instead.
2455 * combine.c (combine_instructions): Invoke compute_bb_for_insn
2456 before update_life_info.
2457 * recog.c (split_all_insns, peephole2_optimize): Update for
2458 new arg to update_life_info.
2459 * rtlanal.c (remove_note): Cope with NULL note.
2460 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
2463 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
2465 * jump.c (jump_optimize_1): More accurately detect casesi insns.
2467 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
2468 block records so that merge_blocks_nomove will clean up correctly.
2469 (split_edge): Handle casesi insns.
2471 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
2473 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
2475 * pa.md (call, call_value): Do not emit a blockage after restoring
2478 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
2480 * c-typeck.c (c_expand_asm_operands): Fix typo.
2482 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2484 * arm.c (fpu_rhs_operand): Verify modes.
2485 (fpu_add_operand): Likewise.
2486 (di_operand): Likewise.
2487 (soft_df_operand): Likewise.
2489 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
2491 * arm.c (arm_return_in_memory): APCS rules state that the elements
2492 of a structure returned in a register must be 'integer-like'.
2494 1999-10-19 Bruce Korb <autogen@linuxbox.com>
2496 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
2497 in the source tree when the generated targets are out of date
2498 * fixinc/genfixes: Alter it to run individual fixes for make.
2499 * fixinc/README: rewrite
2500 * fixinc/inclhack.def: moved initial comments to README
2502 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
2504 * toplev.c (main): Do not generate an error message if an
2505 unrecognised command line switch is recognisable by another
2506 language. If extra_warnings are enabled, then generate a
2507 warning message instead.
2509 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
2511 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
2512 (insert_pack_attributes): Delete prototype.
2514 * c-pragma.c (default_alignment): New static variable.
2515 (push_alignment): Initialize to current effective alignment.
2516 (pop_alignment): Use to set new alignment.
2517 (insert_pack_attributes): Delete function.
2518 (handle_pragma_token): Set default_alignment as well each time
2519 a #pragma pack(<n>) is encountered.
2521 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
2523 * reg-stack.c (stack_result): Aggregates are not returned in
2526 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
2528 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
2530 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
2532 * basic-block.h (set_block_num): Declare.
2533 * flow.c (update_life_info): Don't call compute_bb_for_insn
2534 or free_basic_block_vars.
2535 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
2536 (insn_orig_block): Remove.
2537 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
2538 (schedule_block): Keep BLOCK_NUM up-to-date.
2539 (schedule_insns): Use compute_bb_for_insn.
2540 * recog.c (split_all_insns): Likewise.
2541 (peephole2_optimize): Likewise.
2543 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
2545 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
2546 if the pic register is used.
2548 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2550 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
2551 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
2552 if that tests TREE_PERMANENT.
2554 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
2556 * cse.c (invalidate_for_call): Do not remove memory references from
2557 the table here. It's handled elsewhere.
2559 * haifa-sched.c (add_dependence): Protect references to the
2560 true dependency cache with #ifdef INSN_SCHEDULING.
2561 (remove_dependence): Similarly.
2563 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
2564 to the cfg code that this is a return instruction.
2565 * mn10300.md (return_internal): Similarly.
2567 * combine.c (get_last_value): If the last set of a register
2568 is after subst_low_cuid, then we can not use it to determine
2569 the register's last value.
2571 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
2573 * Makefile.in: Back out previous change.
2575 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
2577 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
2579 * haifa-sched.c (add_dependence): Only check/update the cache
2581 (remove_dependence): Likewise.
2582 (schedule_insns): Only create the true_dependency_cache if the
2583 average number of instructions in a basic block is very large.
2585 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
2587 * Makefile.in (ggc-common.o): Depend on genrtl.h.
2588 (ggc-simple.o): Likewise.
2589 (ggc-page.o): Likewise.
2591 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
2593 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
2594 Prototype for exported functions.
2595 (pre_lcm, pre_rev_lcm): Remove prototypes.
2596 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
2597 (compute_available): Move to lcm.c, and change parameter order.
2598 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
2599 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
2600 (gcse_main): No longer call compute_preds_succs. Rebuild the
2601 set table after reach pre pass.
2602 (pre_insert_map, pre_delete_map, edge_list): New.
2603 (alloc_pre_mem): Allocate edge vectors.
2604 (free_pre_mem): Delete edge vectors.
2605 (compute_pre_data): Call new edge based lcm routines.
2606 (process_insert_insn): New function.
2607 (insert_insn_end_bb): Use it.
2608 (pre_edge_insert): New function.
2609 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
2611 (pre_insert_copies): Revamp using new edge based lcm outputs.
2612 (pre_delete): Likewise.
2613 (one_pre_gcse_pass): Insert & remove fake edges to the exit
2615 (compute_code_hoist_vbeinout): New new edge based routines.
2616 * lcm.c: Remove all the old LCM functions. Replace with new ones
2617 that work with the new cfg datastructures and work with edges
2620 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2622 * reload.h (struct reload): Add new fields "mode" and "nregs".
2623 * reload1.c: Change all occurrences of reload_mode and reload_nregs
2624 to reference the "mode" and "nregs" field within struct reload.
2626 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
2628 * haifa-sched.c (true_dependency_cache): New.
2629 (add_dependence): Use the true dependency cache to avoid expensive
2630 walks down the LOG_LINKS dependency list. Add entries to the
2632 (remove_dependence): Remove entries from the true dependency cache
2634 (schedule_insns): Allocate and initialize and free the true
2637 * haifa-sched.c (schedule_insns): Do not remove inter-block
2638 dependencies anymore.
2640 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
2642 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
2643 * i386/t-winnt: Likewise.
2645 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
2647 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
2649 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
2651 * Makefile.in (LANGUAGES): Omit "proto".
2652 (clean): Remove stale comment about removing unprotoize.c.
2654 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2656 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
2657 using arithmetic on void pointers.
2659 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
2661 * haifa-sched.c (compute_block_forward_dependencies): Only check
2662 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
2664 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
2666 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
2667 (expr_equiv_p): Reject memories with different alias sets.
2669 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
2671 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
2672 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
2673 (f_options): Add "bounded-pointers" and "bounds-check" entries.
2674 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
2675 (lang_init): Set default for flag_bounds_check if still "unspecified".
2677 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2679 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
2681 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2683 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
2686 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2688 * config/c4x/c4x.md (*db_noclobber,
2689 *decrement_and_branch_until_zero_noclobber): New patterns and
2690 associated splitters.
2692 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2694 * config/c4x/c4x.md (parallel instruction patterns): Rework
2695 constraints to keep reload happy.
2697 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2699 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
2700 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
2701 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
2702 Add new patterns and associated post-reload splitters.
2704 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2706 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
2708 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2710 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
2712 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
2714 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2716 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
2719 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
2721 * pa.c (move_operand): Rely on memory_address_p to determine the
2722 validity of non-indexed memory addresses.
2723 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
2724 operand in DFmode and SFmode when generating PA2.0 code.
2726 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
2728 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
2730 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
2732 * mips.c (function_prologue): Fix argument types.
2733 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
2734 (casesi_internal): Write to the scratch register.
2736 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
2738 * cppexp.c (cpp_parse_escape): Make static. Change second arg
2740 (parse_charconst): Delete unnecessary cast when calling
2742 (cpplib.h): Kill prototype of cpp_parse_escape.
2744 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
2746 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
2747 * unroll.c (unroll_loop): Cast return value of alloca.
2748 * i370/i370.c: Include function.h and toplev.h.
2749 (i370_label_scan): Remove c++ commented abort.
2750 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
2751 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
2752 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
2753 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
2755 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
2757 * config/t-freebsd: Do not override USER_H.
2758 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
2760 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
2761 Mumit Khan <khan@xraylith.wisc.edu>
2763 * c-parse.in (component_decl): Support anonymous struct/union.
2765 * c-parse.y: Regenerate.
2766 * c-parse.c: Likewise.
2767 * objc/objc-parse.y: Likewise.
2768 * objc/objc-parse.c: Likewise.
2769 * c-decl.c (finish_struct): Don't sort the fields.
2770 (field_decl_cmp): Delete unused function.
2772 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
2774 * sparc.md (movsf_const_intreg): Revert last constraint change.
2775 (movdf_const_intreg_sp32): Likewise.
2777 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
2779 * cse.c: Include hashtab.h instead of splay-tree.h
2780 (struct cse_reg_info): No longer use variant union. Add new
2781 field "regno". All references changed to avoid union.
2782 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
2783 (free_cse_reg_info): Remove.
2784 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
2785 (get_cse_reg_info): Revamp to use expandable hash tables instead
2786 of splay trees. Initialize new fields in cse_reg_info structure.
2787 (new_basic_block): Similarly.
2789 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
2791 * genrecog.c (message_with_line): Prototype.
2792 (validate_pattern): Pass along the set for the dest, not a flag.
2793 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
2794 Check for PC/CC0 as sources.
2795 (nodes_identical): Check for children position match before
2796 allowing the combination.
2798 * rtl.c (read_rtx): Track line number across \\\n.
2800 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
2802 * mips.h (SPECIAL_MODE_PREDICATES): New.
2803 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
2804 (movdi+1, movsi+1): Add output reload constraint.
2805 (casesi_internal): Likewise. Fix commentary.
2806 (return_internal): Use pmode_register_operand.
2808 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
2810 * 1750a.md (movstrqi): Add missing output reload constraint.
2811 (call_value): Likewise.
2812 * a29k.md (cpxxx patterns): Add missing match_operator mode.
2813 (jmpfdec): Add missing inout reload constraint.
2814 * elxsi.md (addsi patterns): Add missing output reload constraint.
2815 (move from sp): Use @ alternates.
2816 (call_value): No constraint on output.
2817 * fr30.md (movsi_pop): Add missing output reload constraint.
2818 (movsf_constant_store): Likewise.
2819 (splits): Remove constraints.
2820 (subsi3): Add missing mode.
2821 * i370.md (cmpstrsi+1): Add missing output reload constraint.
2822 (call_value): Likewise.
2823 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
2824 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
2825 * m32r.md (movsicc_internal): Add output reload constraint.
2826 (movstrsi_internal): Add inout reload constraints.
2827 * m88k.h (reg_names): Don't declare.
2828 (SPECIAL_MODE_PREDICATES): New.
2829 * m88k.md (*): Use register_operand not reg_or_0_operand
2831 * mn10200.h (PREDICATE_CODES): New.
2832 * ns32k.md (ffs pattern): Add output reload constraint.
2833 * pdp11.md (sob pattern): Add inout reload constraint.
2834 * sh.md (splits): Remove constraints.
2835 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
2836 * v850.md (pattern_is_ok_for_epilogue): Likewise.
2837 * vax.md (jgequ pattern): Add inout reload constraint.
2839 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
2841 * configure.in (djgpp): Revert previous patch.
2842 * configure: Rebuit.
2843 * config/i386/djgpp.h: Revert previous patch.
2845 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
2847 * fixinc/inclhack.def: Restore patch lost during last merge of
2848 "no_bogosity" branch.
2849 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
2851 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
2853 * fixincludes: Add a HPUX 11 fix for inttypes.h.
2854 * fixinc/inclhack.def: Same.
2855 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
2857 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
2859 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
2860 as the base of a PLUS.
2862 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2864 * config/c4x/c4x.md: Define mode for remaining unspec operators.
2865 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
2867 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
2869 * pa.md (post_stw+1): Use pmode_register_operand.
2870 (dcacheflush, icacheflush): Likewise.
2872 * i386.md (movstricthi_1): Allow r/r.
2874 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
2876 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
2877 to (not (and (arg0) (arg1))). Similary for and.
2879 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
2880 falltrought to assocate code.
2881 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
2884 * combine.c (simplify_logical): Convert XOR to IOR if operands have
2885 no bits in common; remove XOR to ROTATE conversion.
2887 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2889 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
2891 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2893 * config/c4x/c4x.c (dst_operand): New.
2894 (PREDICATE_CODES): Update.
2895 * config/c4x/c4x.h (dst_operand): Declare it.
2896 * config/c4x/c4x.md: Define mode for each unspec usage.
2897 (move patterns): Use dst_operand predicate instead of src_operand.
2898 (movqi_update, movqf_update): Delete.
2900 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
2902 * recog.c (pmode_register_operand): New.
2903 * recog.h: Declare it.
2904 * genrecog.c (pred_codes): Likewise.
2905 (special_mode_pred_table): Likewise.
2906 (validate_pattern): Don't warn no mode for address_operand.
2908 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
2909 if the operand is not insn-like.
2911 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
2912 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
2914 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
2916 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
2918 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
2919 instead of general_operand in a SET_DEST. Use const_double_operand
2920 instead of an explicit test against CONST_DOUBLE.
2921 (movsf_const_lo): Add missing register mode.
2922 (goto_handler_and_restore): Add auxiliary test for Pmode.
2923 (flush): Adjust to use address_operand.
2924 (return_sf_no_fpu): Add missing output constraint.
2926 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
2928 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
2929 for call return value.
2930 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
2932 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
2934 * toplev.c (main): Only warn about options for other languages.
2935 * collect2.c (main): Pass -w to sub-gcc.
2937 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
2939 * flow.c (propagate_block): Add call-clobbered registers to
2942 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
2943 zapping mem_set_list.
2944 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
2945 (mark_set_1, mark_used_regs): Likewise.
2947 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
2949 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
2951 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2953 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
2954 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
2955 options. Also add a new item "C-only Warning Options" to the
2958 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
2960 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
2961 from multiple calls.
2963 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
2965 * i386.md (call value patterns): Move to the end of the file.
2966 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
2968 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
2970 * configure.in (djgpp configuration): Define extra_objects..
2971 * configure: Rebuilt.
2972 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
2973 (DTORS_SECTION_ASM_OP): Define.
2974 (INIT_SECTION_ASM_OP): Define.
2975 (FINI_SECTION_ASM_OP): Define.
2976 (DATA_SECTION_ASM_OP): Define.
2977 (TEXT_SECTION_ASM_OP): Define.
2978 (EH_FRAME_SECTION_ASM_OP): Define.
2979 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
2980 (STARTFILE_SPEC): Add crtbegin.o.
2981 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
2982 to here from LINK_COMMAND_SPEC.
2983 (DO_GLOBAL_CTORS_BODY): Define.
2984 (CRTSTUFF_USE_FINI_SECTION): Define
2985 (HAS_INIT_SECTION): Delete.
2987 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
2989 * Makefile.in (all.cross): Depend on xcpp$(exeext).
2991 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
2993 * pa.h (PREDICATE_CODES): New.
2995 * genrecog.c (validate_pattern): Condense the destination
2998 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
3000 * alpha.md (call-1): Supply missing mode for operator.
3001 (*): Add missing output reload constraints. Remove constraints
3004 * i386.h (SPECIAL_MODE_PREDICATES): New.
3005 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
3006 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
3007 (addsi_lea_3): Add missing mode for op 3.
3008 (prologue_set_got, prologue_get_pc): Add missing modes.
3009 (*) Add missing output reload constraints.
3011 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
3013 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
3014 check for member bit-size overflow and use var_size if it occurs.
3015 (layout_record): Use bitsize_int() to define the type size in bits.
3016 Likewise for computation and assignment to DECL_FIELD_BITPOS.
3017 (layout_decl): Likewise when assigning to DECL_SIZE.
3019 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
3021 * genrecog.c (validate_pattern): Typo last change. Verify
3022 that output operands have output reloads.
3024 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
3026 * genrecog.c (special_mode_pred_table): New.
3027 (NUM_SPECIAL_MODE_PREDS): New.
3028 (find_operand): New.
3029 (validate_pattern): New argument `insn'. Warn for assignment to
3030 any predicate accepting non-lvalues. Conditionaly warn for
3031 match_operand without a mode. Try much harder to match source
3032 and destination modes on a set.
3033 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
3035 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
3037 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
3039 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
3041 * combine.c (simplify_logical): Recognize xor pattern that encodes
3044 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3046 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
3049 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
3051 * ggc-page.c (MAP_FAILED): Provide default.
3053 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
3055 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
3056 * sparc.h (PREDICATE_CODES): Update.
3058 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
3060 * alpha.c (some_ni_operand): New.
3061 * alpha-protos.h: Declare it.
3062 * alpha.h (PREDICATE_CODES): Update.
3063 * alpha.md (sXaddq reload insns): Use some_ni_operand
3064 for SET_DEST instead of some_operand.
3066 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
3067 Jim Wilson <wilson@cygnus.com>
3069 * genrecog.c (maybe_both_true_2): Don't compare modes of
3071 (process_tree): Elide peephole2_insns. Invoke simplify_tests
3072 after find_afterward.
3073 (debug_decision_1): Dump next and afterward codes.
3075 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
3077 * rtl.c (dump_and_abort): Remove.
3078 (fatal_with_file_and_line): New.
3079 (fatal_expected_char): New.
3080 (read_rtx_lineno, read_rtx_filename): New.
3081 (read_skip_spaces): Track line number.
3082 (read_name): Use fatal_with_file_and_line.
3083 (read_rtx): Use fatal_expected_char. Track line number.
3084 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
3086 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
3087 if it isn't a CODE_LABEL.
3089 * genattr.c (main): Set read_rtx_filename.
3090 * genattrtab.c (main): Likewise.
3091 * gencodes.c (main): Likewise.
3092 * genconfig.c (main): Likewise.
3093 * genemit.c (main): Likewise.
3094 * genextract.c (main): Likewise.
3095 * genflags.c (main): Likewise.
3096 * genopinit.c (main): Likewise.
3097 * genoutput.c (main): Likewise.
3098 * genpeep.c (main): Likewise.
3100 * genrecog.c (decision_test.u.insn): Add `lineno'.
3101 (pattern_lineno, error_count): New variables.
3102 (message_with_line): New.
3103 (add_to_sequence): Break out checking code to ...
3104 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
3105 (merge_insn): Use message_with_line.
3106 (make_insn_sequence): Use validate_pattern. Record insn lineno.
3107 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
3109 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3111 * expr.c (store_constructor): Clear union if constructor is empty.
3113 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
3115 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
3116 Add !endian checks. Change %{...} to %(...).
3118 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
3120 * i386.md (*addsi3_cc): Renamed from addcsi3.
3121 (*addsi3_carry): Renamed from addxsi3.
3122 (*subsi3_cc): Renamed from subcsi3.
3123 (*subsi3_carry): Renamed from subxsi3.
3124 (*xorqi_cc_1): Renamed from xorcqi_1.
3125 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
3126 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
3128 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
3130 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
3131 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
3133 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
3135 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
3136 climb up the chain of insns.
3138 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
3140 * genrecog.c (write_subroutine): Careful for null trees.
3141 (process_tree): Don't elide empty functions.
3143 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
3145 * Makefile.in (genrtl.o): Depend on ggc.h.
3146 * configure.in (valloc): Probe for it.
3147 (with-gc): Use ggc-page if valloc present.
3148 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
3149 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
3150 (ggc_alloc_string): Moved from ggc-page.c.
3151 * ggc-none.c (ggc_alloc_obj): New.
3152 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
3153 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
3154 (struct globals): Likewise for dev_zero_fd.
3155 (init_ggc): Likewise for it's initialization.
3156 (ggc_allocated_p): Move careful dereference from ...
3157 (ggc_lookup_page_table): ... here. Delete.
3158 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
3159 (alloc_anon): Use valloc if no mmap.
3160 (release_pages): Use free if using valloc.
3161 (ggc_alloc_obj): Renamed from alloc_obj.
3162 (ggc_set_mark): Renamed from mark_obj.
3163 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
3164 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
3165 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
3166 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
3167 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
3168 (ggc_collect): Use fp printing instead of our own rounding.
3169 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
3170 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
3171 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
3172 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
3173 (struct ggc_string, struct ggc_any): Delete.
3174 (offsetof): Provide default definition.
3175 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
3177 (struct ggc_mem): New, from corpse of ggc_any.
3178 (struct ggc_status): Delete.
3179 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
3180 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
3181 (n_strings_collected, n_anys_collected): Delete.
3182 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
3183 (ggc_alloc_string, ggc_alloc): Delete.
3184 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
3185 (ggc_free_string, ggc_free_any): Delete.
3186 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
3187 (ggc_compare_addresses, ggc_mark_string): Delete.
3188 (ggc_mark_string_if_gcable, ggc_mark): Delete.
3189 (search_data): Delete.
3190 (struct globals): New.
3191 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
3192 (tree_insert, tree_lookup): New.
3193 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
3194 (clear_marks, sweep_objs): New.
3195 (ggc_collect): Gut. Use clear_marks, sweep_objs.
3196 (init_ggc): Set allocated_last_gc.
3197 (ggc_push_context): Gut. Use G.context.
3198 (ggc_pop_context): Likewise.
3199 (ggc_pop_context_1): New.
3200 (debug_ggc_tree): New.
3201 (debug_ggc_balance, tally_leaves): New.
3202 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
3203 (ggc_mark_string_if_gcable): Remove decl.
3204 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
3205 (ggc_mark_rtvec_children): New.
3206 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
3207 (ggc_mark_if_gcable): New decl.
3208 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
3209 (ggc_alloc_tree, ggc_alloc): Likewise.
3210 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
3211 (ggc_alloc_obj): New decl.
3212 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
3213 (ggc_alloc_tree, ggc_alloc): Likewise.
3214 (ggc_set_mark): New decl.
3215 * rtl.h (struct rtx_def): Remove gc_mark.
3216 (struct rtvec_def): Likewise.
3217 * tree.h (struct tree_common): Likewise.
3219 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
3221 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
3222 float_format and thread_file definitions.
3223 * configure: Rebuilt.
3225 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
3227 * extend.texi (Function Names): Document types of function names.
3229 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3231 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
3232 an earlyclobbered output conflict with RELOAD_INPUT reloads.
3234 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3236 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
3238 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3240 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
3242 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
3244 * collect2.c (main): Do prelimnary link on AIX if rflag.
3246 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
3248 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
3249 __CTOR_LIST__ in opposite order, which is the correct order for sorted
3251 (__do_global_dtors): similarly for __DTOR_LIST__.
3253 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3254 Diego Novillo <dnovillo@cygnus.com>
3256 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
3259 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
3261 * fixincl/*: Merged "no_bogosity" branch
3262 * fixincl/fixlib.h: protect against doubly defining t_bool
3263 * fixincl/server.h: protect against doubly defining t_bool
3265 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
3267 * genoutput.c: Include toplev.h.
3269 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
3271 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3273 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
3274 * configure: Regenerate.
3276 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
3278 * gcse.c (delete_null_pointer_checks): Returns void.
3280 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3282 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
3283 * emit-rtl.c (copy_insn_1): Likewise.
3285 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
3287 * config/mips/mips.c (mips_build_va_list): Correct
3288 TREE_CHAIN setting when hard-float.
3289 (mips_va_start): Use corrected setting.
3290 (mips_va_arg): Likewise. Also pass a tree to build of
3291 POSTINCREMENT_EXPR rather than a naked 'int'.
3293 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
3295 * ggc.h (ggc_push_context): Fix comment.
3296 (ggc_pop_context): Likewise.
3297 (mark_string_if_gcable): Likewise.
3298 * ggc-common.c (ggc_mark_rtx_children): Use
3299 ggc_mark_string_if_gcable.
3300 * ggc-page.c (ggc_lookup_page_table): New function.
3301 (ggc_allocated_p): Likewise.
3302 (mark_obj): Fix formatting.
3303 (ggc_mark_string_if_gcable): New function.
3304 * ggc-simple.c (ggc_allocated_strings): New variable.
3305 (ggc_strings_used): Likewise.
3306 (ggc_compare_addresses): New function.
3307 (ggc_pop_context): Pop the `any' memory too.
3308 (ggc_mark_string_if_gcable): New function.
3309 (ggc_collect): Initialize and tear down ggc_allocated_strings.
3311 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
3313 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
3314 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
3315 * rs6000.c (expand_block_move): Match movstrsi_?reg register
3318 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
3320 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
3321 (sched_reg_live_length, sched_reg_basic_block): Delete.
3322 (current_block_num, bb_live_regs, old_live_regs): Delete.
3323 (dead_notes, struct sometimes): Delete.
3324 (sched_note_set, birthing_insn_p): Delete.
3325 (adjust_priority): Gut useless reg lifetime code.
3326 (create_reg_dead_note, attach_deaths): Delete.
3327 (attach_deaths_insn, new_sometimes_live): Delete.
3328 (finish_sometimes_live): Delete.
3329 (find_pre_sched_live, find_post_sched_live): Delete.
3330 (update_reg_usage): Delete.
3331 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
3332 (schedule_insns): Delete reg lifetime code.
3333 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
3334 (unlink_other_notes): Adjust REG_NOTE commentary.
3335 (reemit_notes): Use REG_SAVE_NOTE.
3336 (schedule_block): Likewise.
3337 (schedule_region): Allocate bitmap of blocks in region. Use
3338 count_or_remove_death_notes. Use update_life_info.
3340 * rtl.h (REG_SAVE_NOTE): New.
3341 * rtl.c (reg_note_name): Update.
3343 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
3345 * combine.c (refresh_blocks, need_refresh): New.
3346 (combine_instructions): Allocate refresh_blocks. Invoke
3347 update_life_info if needed.
3348 (distribute_notes): Mark refresh_blocks instead of installing
3350 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
3351 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
3353 * Makefile.in (recog.o): Depend on basic-block.h.
3355 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
3357 * genrecog.c (add_to_sequence): Thinko last change: delete
3358 shadowing allow_const_int variable.
3360 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3362 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
3363 __GNUC__ and __GNUC_MINOR__.
3365 * gansidecl.h: Likewise.
3371 * toplev.h: Likewise.
3377 * varray.c: Likewise.
3379 * varray.h: Likewise.
3381 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3383 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
3384 use one before a jump table.
3386 * rtl.def (ADDRESS): Change documentation to match reality.
3387 * md.texi: Don't document it.
3388 * gmicro.md (load address pattern): Use 'p' constraint, delete use
3391 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
3393 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
3395 * genrecog.c (add_to_sequence): Move allow_const_int test outside
3396 known predicate block; default allow_const_int true.
3397 (debug_decision_list): New.
3399 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
3401 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
3403 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
3405 * gcse.c (gcse_main): Avoid global optimizations if we have a
3406 large number of basic blocks and the ratio of edges to blocks
3408 (delete_null_pointer_checks): Likewise.
3410 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
3412 * c-common.c (check_format_info): Warn if format string isn't a
3415 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
3417 * configure.in (arm*-*-*): Don't let autoconf remove brackets
3418 * configure: regenerate
3420 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
3422 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
3423 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
3424 (peepholes): Re-enable.
3426 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
3428 * Makefile.in (flow.o): Depend on TREE_H.
3429 * basic-block.h (REG_SET_EQUAL_P): New.
3432 (free_regset_vector): Remove declaration.
3433 (flow_delete_insn_chain): Declare.
3434 (enum update_life_extent): New.
3435 (update_life_info, count_or_remove_death_notes): Declare.
3436 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
3437 Verify register live at bb->global_live_at_start before adding USE.
3438 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
3439 (CLEAN_ALLOCA): New.
3441 (PROP_*): New flags.
3442 (find_basic_blocks_1): Use alloc_EXPR_LIST.
3443 (clear_edges): Zero n_edges.
3444 (make_edge): Increment n_edges.
3445 (split_edge): Don't allocate bb->local_set. Increment n_edges.
3446 (flow_delete_insn_chain): Export.
3447 (delete_block): Decrement n_edges.
3448 (merge_blocks_nomove): Likewise.
3449 (life_analysis): Give life_analysis_1 PROP flags.
3450 (verify_wide_reg_1, verify_wide_reg): New.
3451 (verify_local_live_at_start): New.
3452 (update_life_info): Rewrite to call into propogate_block.
3454 (mark_regs_live_at_end): After reload, if epilogue as rtl,
3455 always mark stack pointer. Conditionally mark PIC register.
3456 After reload, mark call-saved registers, return regsiters.
3457 (life_analysis_1): Accept PROP flags not remove_dead_code.
3458 Call mark_regs_live_at_end before zeroing regs_ever_live.
3459 Use calculate_global_regs_live. Copy global_live_at_end before
3460 calling final propagate_block. Zero reg_next_use on exit.
3461 (calculate_global_regs_live): New.
3462 (allocate_bb_life_data): Don't allocate bb->local_set.
3463 (init_regset_vector, free_regset_vector): Remove.
3464 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
3465 Test flags before every operation. Warn if prologue/epilogue insn
3466 would have been deleted.
3467 (mark_set_regs, mark_set_1): Accept and use FLAGS.
3468 Use alloc_EXPR_LIST.
3469 (mark_used_regs): Accept and use FLAGS, not FINAL.
3470 Remove special handling for RETURN.
3471 (try_pre_increment): Use alloc_EXPR_LIST.
3472 (dump_flow_info): Dump n_edges.
3473 (unlink_insn_chain, split_hard_reg_notes): Remove.
3474 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
3475 (find_insn_with_note, new_insn_dead_notes): Remove.
3476 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
3477 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
3478 (replace_insns): Remove.
3479 (count_or_remove_death_notes): New.
3480 (verify_flow_info): Abort on error after all checks.
3481 (remove_edge): Decrement n_edges.
3482 (remove_fake_edges): Tweek format.
3483 * haifa-sched.c (schedule_insns): Use split_all_insns.
3484 * output.h (update_life_info): Remove declaration.
3485 * recog.c (split_all_insns): From the corpse of split_block_insns,
3486 do the whole function block by block. Use update_life_info.
3487 (recog_last_allowed_insn): New.
3488 (recog_next_insn): Mind it.
3489 (peephole2_optimize): Set it. Walk backwards through blocks.
3490 Use update_life_info.
3491 * rtl.h (update_flow_info, replace_insns): Remove declarations.
3492 (split_all_insns): Declare.
3493 * toplev.c (rest_of_compilation): Thread prologue before flow2.
3494 Use split_all_insns.
3496 * i386.md (or -1 peep2s): Disable.
3498 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
3500 * config/mips/mips.md (movstrsi+[123]) : Combine these into
3501 a single pattern. Scrap the 'd' versions as unnecessary.
3503 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
3504 tablejump_mips162,tablejump_internal4): The operands to a
3505 label_ref must be VOIDmode.
3507 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3509 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
3511 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
3513 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
3515 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
3517 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
3518 cache every function if ggc_p.
3520 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3522 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
3523 instead of copy_rtx. Accept sequences that contain asm statements.
3524 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
3525 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
3526 orig_asm_operands_vector, copy_asm_operands_vector,
3527 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
3529 * rtl.h (copy_insn, copy_insn_1): Declare.
3531 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3533 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
3535 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
3536 arguments to `current_file_function_operand'.
3538 * genrecog.c: Include hard-reg-set.h and resource.h in the
3539 generated output file.
3541 * real.c: Include tm_p.h.
3543 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3545 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
3548 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
3550 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
3551 before the fctiwz insn.
3553 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3554 Mark Mitchell <mark@codesourcery.com>
3556 * tree.c (make_lang_type_fn): New funtion pointer.
3557 (make_lang_type): Call it.
3558 * tree.h (make_lang_type): Declare.
3559 (make_lang_type_fn): Likewise.
3560 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
3562 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
3564 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
3565 make sure that HIGH instructions are copied into BASE_REGS.
3567 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
3569 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
3571 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
3573 * c-decl.c (finish_struct): Use simpler method of
3574 removing elements of a singly-linked list.
3576 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
3578 * alpha.md (peephole2's): Comment out peephole2's that generate
3581 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
3583 * genrecog.c (add_to_sequence): Disable mode check for
3586 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3588 * ggc-simple.c (init_ggc): Set empty_string.
3590 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
3592 * configure.in: Detect mmap. Add --with-gc=foo to select
3593 garbage collector; default to page if mmap available.
3594 * Makefile.in (GGC): Substitute.
3596 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
3598 * c-decl.c (ggc_p): Enable.
3600 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3602 * flow.c (verify_flow_info): Make it extern & unconditionally define.
3604 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
3606 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
3607 string for little-endian-data.
3609 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
3611 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
3612 case somebody tries to compile --enable-checking code with gcc
3615 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
3617 * genrecog.c (add_to_sequence): Verify operand to label_ref is
3620 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
3622 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
3623 * jump.c (jump_optimize_1): Document why.
3625 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3627 * collect2.c (scan_prog_file, scan_libraries): Prototype function
3628 pointers and casts for `int_handler' and `quit_handler'.
3630 * flow.c (verify_flow_info, split_hard_reg_notes,
3631 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
3632 remove_edge, remove_fake_successors): Add static prototypes.
3633 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
3634 (mark_set_1): Initialize variable `regno'.
3635 (unlink_insn_chain): Likewise for variable `curr'.
3636 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
3638 * loop.c (strength_reduce): Initialize variable
3639 `unrolled_insn_copies'.
3640 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
3641 prototypes. Change these functions to take const PTR parameters
3642 to avoid prototype conflict when used as the comparson argument
3644 (check_dbra_loop): Initialize variable `comparison_val'.
3646 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
3647 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
3648 (find_valid_class): Initialize variable `best_class'.
3649 (find_reloads): Call memcpy, not bcopy.
3651 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
3652 (hard_reg_use_compare): Don't needlessly cast away const.
3653 (reload_reg_class_lower): Likewise.
3654 (choose_reload_regs): Initialize variable `regno'.
3656 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
3658 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
3660 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
3662 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
3663 ({,d}discard): Add forward declarations. Declare parameter as
3665 (main_without_main): Explicitly declare return type to be int.
3666 (memcpy): Properly declare.
3668 * libgcc2.c (toplevel): If inhibit_libc is defined and not
3669 building the trampoline support, declare malloc, free, and
3671 (__clear_cache): Mark arguments as potentially unused.
3673 * frame.c (toplevel): If inhibit_libc is defined, declare
3676 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
3678 * flow.c (make_edge): Accept an optional 2D bitmap in which
3679 to cache edge existence. Update all callers.
3680 (make_label_edge, make_eh_edge): Pass through the edge cache.
3681 (make_edges): Provide the cache.
3683 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3685 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
3687 (local_mbtowc): Change the type of variable `i' from int to size_t.
3689 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
3690 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
3692 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
3694 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
3695 after other includes that define the appropriate types. Include
3696 tm_p.h for getting user prototypes.
3697 * ggc-callbacks.c (toplevel): Ditto.
3698 * ggc-none.c (toplevel): Ditto.
3699 * gcc-page.c (toplevel): Ditto.
3700 * ggc-simple.c (toplevel): Ditto.
3702 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
3703 Jonathan Larmour <jlarmour@cygnus.co.uk>
3705 * config/mips/mips.c (mips_move_2words): Split doubles if
3706 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
3708 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
3710 * genrecog.c (struct decision_test): New.
3711 (struct decision): Remove test-related members, sort the rest by size.
3712 (IS_SPLIT): Simplify.
3713 (new_decision, new_decision_test): New.
3714 (add_to_sequence): Use them. No special handling for args of
3716 (maybe_both_true): Renamed from not_both_true; return sense changed.
3717 (maybe_both_true_1, maybe_both_true_2): New. Broken out
3718 of maybe_both_true and adjusted for decision_test.
3719 (position_merit): Remove.
3720 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
3721 (merge_accept_insn): New, broken out of merge_trees.
3722 (merge_trees): Use them. No special case for c_test; no node
3723 splitting; use test type instead of position_merit.
3724 (factor_tests): New.
3725 (simplify_tests): New.
3726 (break_out_subroutines): Don't write code now.
3727 (find_afterward): New.
3728 (write_afterward, write_switch, write_cond): New.
3729 (write_action, is_unconditional): New.
3730 (write_node): New. Use them.
3731 (write_tree_1): Rewrite. Use the new functions above.
3732 (write_tree): Remove afterward processing.
3733 (write_subroutine): Simplify function variant emission.
3734 (write_subroutines): New.
3735 (same_codes, clear_codes): Remove.
3736 (same_modes, clear_modes): Remove.
3737 (write_header): New, broken out of main.
3738 (make_insn_sequence): Use new_decision and new_decision_test.
3739 (process_tree): New, broken out of main.
3740 (main): Adjust for merge_trees interface change.
3741 Don't #define operands in the output file.
3742 (record_insn_name): New, broken out of make_insn_sequence.
3743 (debug_decision_2, debug_decision_1, debug_decision_0): New.
3744 (debug_decision): New.
3746 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
3748 * resource.c (find_free_register): Mark class_str argument const.
3749 * resource.h: Update prototype to match.
3751 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
3752 * i386.md: Give all anonymous insns names.
3754 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
3756 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
3759 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
3761 * toplev.c (dbr_sched_time): Unconditional.
3762 (peephole2_time): New.
3763 (compile_file): Add pass numbers to all of the dump file suffixes.
3764 Dump peephole2_time. Don't dump times for non-applicable passes.
3765 (rest_of_compilation): Add pass numbers to dump file suffixes.
3766 Conditionalize calls to the scheduler.
3767 * invoke.texi: Update.
3769 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
3771 * flow.c (make_edges): Fix insn iteration.
3772 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
3773 (find_basic_blocks_1): Fix spelling mistake.
3775 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
3777 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
3778 always have side-effects. Use memset not bzero.
3779 (make_node): Likewise.
3781 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
3783 * stmt.c (expand_anon_union_decl): When any of the elements of the
3784 union is addressable, so is the entire union.
3786 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
3788 * sbitmap.c (sbitmap_ones): Don't set too many bits.
3790 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
3791 * bitmap.c (bitmap_operation): Return true iff TO changed.
3792 (bitmap_equal_p): New.
3793 (bitmap_bit_p): Tidy arithmetic.
3794 (debug_bitmap_file): Likewise.
3796 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
3798 * toplev.c (rest_of_compilation): Turn on cse_not_expected
3799 before cse2 instead of after.
3801 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
3803 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
3806 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3808 * cppinit.c (is_idchar initializer): Loosen tests to accept
3811 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
3813 * mips.md: Define conditional move patterns for floating point
3814 operands and DI mode conditions.
3816 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
3818 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
3819 always have side-effects.
3821 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
3823 * mn10200.c (asm_file_start): Fix typo.
3825 * cppinit.c (is_idchar initializer): Tighten tests for when
3826 to put the table into initialized memory.
3828 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
3829 not an array of rtunion.
3830 * gcc-page.c (ggc_alloc_rtvec): Similarly.
3831 * gcc-simple (ggc_free_rtvec): Similarly.
3833 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
3836 * mbchar.h: Add missing #endif.
3838 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
3839 (FPBIT, DPBIT): Define.
3841 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3843 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
3845 * profile.c (instrument_arcs, output_gcov_string,
3846 tablejump_entry_p): Add static prototypes.
3847 (output_gcov_string): Constify a char*.
3849 * regmove.c (replacement_quality, fixup_match_2): Add static
3852 * resource.h (reg_dead_p): Add extern prototype.
3854 * rtl.c (trim_filename): Add static prototype.
3856 * scan-decls.c (skip_to_closing_brace): Likewise.
3858 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
3859 (expand_end_case): Initialize variable `range'.
3860 (emit_case_nodes): Remove unused prototype `rtx_fn'.
3862 * varasm.c (asm_emit_uninitialised): Add static prototype.
3863 (asm_emit_uninitialised, assemble_variable): Mark parameter with
3866 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3868 * cpplib.c (if_directive_nameo): Add static prototype.
3870 * cse.c (cse_insn): Remove unused variable `p'.
3872 * except.c (create_rethrow_ref, push_entry,
3873 receive_exception_label, new_eh_region_entry, find_func_region,
3874 clear_function_eh_region, process_nestinfo): Add static prototypes.
3875 (get_reg_for_handler): Hide definition.
3876 (process_nestinfo): Initialize variable `extra_handlers'.
3878 * expr.h (expand_builtin_longjmp): Add extern prototype.
3880 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
3882 * function.c (prepare_function_start): Likewise.
3883 (pop_function_context_from): Mark parameter `context' with
3885 (push_temp_slots_for_block, flush_addressof): Hide definition.
3887 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
3888 solve_program_flow_graph, calculate_branch_probs,
3889 function_summary, main, fancy_abort): Add prototypes.
3891 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
3892 (add_hash): Constify a char*.
3894 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
3895 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
3896 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
3898 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
3900 * lists.c (free_list, zap_lists): Likewise.
3902 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3904 * alias.c (nonlocal_reference_p): Add static prototype.
3906 * bitmap.c (bitmap_element_allocate): Prototype args in function
3909 * builtins.c (stabilize_va_list): Add static prototype.
3910 (expand_builtin_va_arg): Constify a char*.
3912 * c-lex.c (getch, put_back, extend_token_buffer_to,
3913 read_line_number, token_getch, token_put_back): Add static
3916 * c-parse.gperf (hash, is_reserved_word): Likewise.
3918 * cccp.c (is_dir_separator): Likewise.
3920 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3922 * graph.h: New file to prototype functions exported by graph.c.
3924 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
3926 * graph.c: Include graph.h.
3928 * toplev.c: Likewise. Remove redundant prototypes.
3930 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
3932 * invoke.texi: Removed duplicated description for -Q.
3934 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
3936 * extend.texi: Grammar fix in __extension__ text.
3938 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
3940 * md.texi (define_peephole2): New section.
3942 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
3944 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
3945 (mov $-1 to or peepholer): Enable for pentium when optimizing for
3948 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
3950 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
3952 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
3954 * i386.md (ffs expander): Emit Pentium friendly code for
3957 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
3959 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
3963 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3965 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
3967 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
3969 * config/m68k/m68k.c (use_return_insn): Return false if the pic
3972 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3974 * md.texi (No Constraints): Delete section.
3975 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
3976 * final.c (final_scan_insn): We always have register constraints.
3977 * genattrtab.c: Don't include "insn-config.h".
3978 (write_attr_case): We always have register constraints.
3979 * genconfig.c (register_constraint_flag): Delete.
3980 (walk_insn_part): Don't check whether we have register constraints.
3981 (main): Don't write out "#define REGISTER_CONSTRAINTS".
3982 * genoutput.c (have_constraints): Delete.
3983 (main): Don't set it.
3984 (output_operand_data): We always have constraints.
3985 (scan_operands): Likewise.
3986 (compare_operands): Likewise.
3987 * local-alloc.c (block_alloc): We always have constraints.
3988 (requires_inout): Always compile this function.
3989 * recog.c (extract_insn): We always have constraints.
3990 (constrain_operands, reg_fits_class_p): Always compile these
3992 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
3994 (struct insn_operand_data): Likewise.
3995 * regclass.c (regclass): We always have constraints.
3996 (record_reg_classes, copy_cost, record_address_regs,
3997 auto_inc_dec_reg_p): Always compile these functions.
3998 * regmove.c (regmove_optimize): We always have constraints.
3999 * reload.c (find_reloads): Likewise.
4000 * reload1.c (reload): Likewise.
4001 (reload_cse_simplify_operands): Likewise.
4002 * i860.c (output_delay_insn): Likewise.
4004 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
4006 * iris6.h (BUILD_VA_LIST_TYPE): Define.
4008 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4010 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
4011 for the va_list record.
4013 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
4015 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
4018 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
4020 * alias.c: Include insn-flags.h.
4021 * Makefile.in (alias.o): Update.
4023 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
4025 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
4026 to LTU and GEU. Handle more cases using sbb.
4028 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
4030 * i386.md (truncatexfdf splitters): Do not use subreg.
4031 (fop XFmode patterns): Fix mode in operand testing.
4033 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
4035 * jump.c (jump_optimize_1): Amend last change to test only the
4036 form of the operand, not the insn.
4038 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
4039 not register_operand to determine when B may need preloading.
4041 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
4043 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
4044 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
4045 (call-value patterns): Move to end of file.
4046 (*): Remove mode from label_ref in (pc) context.
4047 (movstrqi): Use memory not general_operand for BLKmode operands.
4048 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
4049 to register_operand operands.
4050 (peep2 patterns): Convert from commented-out peephole patterns.
4052 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4054 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
4055 to BUILT_IN_INIT_DWARF_REG_SIZES.
4056 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
4057 Renamed from BUILT_IN_DWARF_REG_SIZE; call
4058 expand_builtin_init_dwarf_reg_sizes.
4059 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
4060 with __builtin_init_dwarf_reg_size_table.
4061 * dwarf2out.c (struct reg_size_range): Delete.
4062 (expand_builtin_init_dwarf_reg_sizes): New function.
4063 (expand_builtin_dwarf_reg_size): Delete.
4064 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
4065 (expand_builtin_dwarf_reg_size): Don't declare.
4066 * libgcc2.c (dwarf_reg_size_table_initialized): New.
4067 (dwarf_reg_size_table): New.
4068 (init_reg_size_table): New function.
4069 (copy_reg): Use dwarf_reg_size_table.
4070 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
4073 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
4075 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
4076 Correctly build argument list to constructor and destructor functions.
4078 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
4080 * c-tree.h (warn_float_equal): Declare.
4081 * c-decl.c (warn_float_equal): Define.
4082 (c_decode_option): Recognize -W[no-]float-equal.
4083 * c-typeck.c (build_binary_op): Conditionally warn
4084 about equality tests of floating point types.
4085 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
4086 * invoke.texi: Add docs for -Wfloat-equal warning.
4088 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
4090 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
4091 generating RTL directly.
4092 * mips.h (INIT_TARGET_OPTABS): Likewise.
4093 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
4095 * expr.h (init_mov_optab): Delete declaration
4097 * h8300.c (WORD_REG_USED): Update to avoid useless register
4098 saves in interrupt functions and functions which never return.
4100 * cse.c (struct set): Delete inner_dest_loc field.
4101 (cse_insn): Remove assignments to inner_dest_loc field.
4103 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
4105 * ggc-page.c: Don't include <unistd.h> etc taken care of
4106 by "system.h". Include <sys/mman.h> afterward.
4108 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
4110 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
4113 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
4115 * xcoffout.c (xcoffout_declare_function): Add documentation.
4116 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
4117 TARGET_64BIT. Compare constant to -1, not bit pattern.
4118 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
4119 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
4122 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
4124 * dwarf2out.c (add_abstract_origin_attribute): Abort if
4126 (gen_inlined_enumeration_type_die): Do not abort if the type has
4127 not been writeen out.
4128 (gen_inlined_structure_type_die): Do not abort if the type has
4129 not been writeen out.
4130 (gen_inlined_union_type_die): Do not abort if the type has
4131 not been writeen out.
4132 (gen_tagged_type_instantiation_die): Do not abort if the type
4133 has not been written out.
4135 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4137 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
4139 * reg-stack.c (straighten_stack): Copy hard reg set with
4142 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
4144 * builtins.c (stabilize_va_list): Stabilize array type va_list
4145 to a pointer type, not the base record type.
4146 (expand_builtin_va_copy): Dereference the pointers explicitly;
4147 use the correct size for the copy.
4149 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
4150 (rs6000_va_arg): Likewise.
4152 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
4154 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
4156 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
4158 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
4160 (DECL_BUILT_IN_CLASS): Adjust accordingly.
4162 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
4164 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
4165 (init_ggc): Use it instead of a constant.
4166 (ggc_collect): Bound allocated_last_gc by it.
4168 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
4170 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
4173 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
4175 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
4176 (mips*-*-openbsd*): Let big endian configuration be a fragment.
4178 * config/mips/openbsd.h: New, OpenBSD little endian target.
4179 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
4180 * config/mips/xm-openbsd.h: New, OpenBSD host.
4182 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
4184 * config/m68k/m68k.c (output_function_prologue,
4185 output_function_epilogue): Use
4186 current_function_uses_pic_offset_table instead of regs_ever_live
4187 to decide whether to save/restore pic register.
4188 (legitimize_pic_address): Don't modify regs_ever_live any more.
4190 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
4192 * function.h (struct function): Add x_dont_save_pending_sizes_p.
4193 * stor-layout.c (variable_size): Don't add sizes to the pending
4194 sizes list if x_dont_save_pending_sizes_p is set.
4196 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
4198 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
4199 for symbolic_operand().
4200 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
4202 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4204 * combine.c (gen_rtx_combine): Add missing call to va_end().
4206 * final.c (asm_fprintf): Likewise.
4208 * genattrtab.c (attr_rtx): Likewise.
4210 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
4212 * cse.c: Update comments.
4213 (cse_insn): When converting a conditional/computed jump into
4214 an unconditional jump, always make sure a BARRIER immediately
4215 follows the converted jump. Do not delete unreachable code.
4216 (cse_basic_block): Do not delete unreachable code.
4217 * toplev.c (rest_of_compilation): Move call to
4218 delete_trivially_dead_insns after the conditional call to
4221 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4223 * collect2.c (make_temp_file): Don't prototype.
4225 * gcc.c (make_temp_file): Likewise.
4227 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
4229 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
4231 * varasm.c (asm_emit_uninitialised): New function: Generate
4232 the assembler statements necessary to declare an uninitialised
4234 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
4236 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
4237 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
4239 (assemble_variable): Use asm_emit_uninitialised to emit an
4240 uninitialised variable.
4242 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
4244 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
4245 constant on a 64 bit host. Patch supplied by Geoffrey Keating
4246 <geoffk@cygnus.com>.
4248 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4250 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
4251 * c-common.h (builtin_function): Don't declare.
4253 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
4255 (pushdecl): Likewise.
4256 (finish_decl): Likewise.
4257 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
4258 int. All callers changed.
4259 Set the builtin's DECL_BUILT_IN_CLASS.
4260 * tree.h (enum built_in_class): New.
4261 (enum built_in_function): Delete NOT_BUILT_IN.
4262 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
4264 (DECL_SET_FUNCTION_CODE): Likewise.
4265 (DECL_BUILT_IN_CLASS): New macro.
4266 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
4267 (struct tree_decl): Split builtin function code field into a
4269 (builtin_function): Declare.
4271 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
4273 * optabs.c (init_traps): Fix typo in last change.
4275 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
4277 * toplev.c (rest_of_decl_compilation): Update comment.
4279 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
4281 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
4282 in .sbss if appropriate.
4283 (EXTRA_SECTION_FUNCTIONS): Add sbss.
4284 (SBSS_SECTION_ASM_OP): New macro.
4285 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
4286 (EXTRA_SECTIONS): Add in_sbss.
4287 * config/mips/mips.h: Prototype sbss_section.
4289 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
4291 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
4294 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
4296 * optabs.c (init_traps): Register trap_rtx as a GC root.
4298 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4300 * config/mips/mips.c (function_arg_pass_by_reference): Define
4301 unconditionally, since it's called unconditionally.
4303 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
4305 * toplev.c (documented_lang_options): Add -fshort-wchar.
4306 * c-decl.c (c_decode_option): Likewise.
4307 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
4309 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
4310 * gcc.c (default_compilers): If -fshort-wchar,
4311 override __WCHAR_TYPE__.
4312 * tm.texi (C Dialect Options): Add -fshort-wchar.
4314 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
4315 symbol for a variable.
4317 * cpplib.h (CPP_PREPROCESSED): New macro.
4318 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
4319 we're seeing this input for a second time.
4321 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
4323 * emit-rtl.c (init_emit_once): Initialize modes first.
4325 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
4327 * config/i386/i386.c (pic_label_name): Change to char pointer.
4328 (global_offset_table): New variable.
4329 (load_pic_register): Fill global_offset_table if it hasn't
4330 already been done. Allocate pic_label_name dynamically.
4331 * ggc.h (empty_string): New variable.
4332 * ggc-simple.c (empty_string): Likewise.
4333 (init_ggc): Allocate empty_string and add as root.
4334 * stmt.c (digit_strings): New variable.
4335 (init_stmt): Add last_block_end_note as root. Allocate and
4336 initialize digit_strings.
4337 (expand_asm_operands): Use empty_string instead of string
4338 constant. Use digit_strings instead of string constants.
4339 * profile.c (init_arc_profiler): Allocate string with
4340 ggc_alloc_string instead of xmalloc.
4341 (output_func_start_profiler): Likewise.
4342 * c-typeck.c (digest_init): Check if init is error_mark_node.
4344 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
4345 Richard Henderson <rth@cygnus.com>
4347 * ggc-page.c: New file.
4348 * Makefile.in (ggc-page.o): New.
4350 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
4352 * invoke.texi: Document -fdelete-null-pointer-checks
4353 * toplev.c (flag_delete_null_pointer_checks): New.
4354 (f_options): Add entry for -fdelete-null-pointer-checks.
4355 (rest_of_compilation): Conditionalize null pointer check
4356 elimination on flag_delete_null_pointer_checks.
4357 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
4359 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
4361 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
4362 copyright notice and special exception to GPL.
4364 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4366 * abi64.h (mips_function_value): Add prototype arguments.
4368 * mips-protos.h: New file with mips prototypes.
4370 * mips.c: Include "tm_p.h".
4371 (mktemp, lookup_name): Add prototype arguments.
4372 (extern_list, string_constant, mips_fill_delay_slot,
4373 mips_output_external, mips_output_external_libcall,
4374 mips_output_filename, mips_declare_object, function_prologue,
4375 mips_expand_prologue, function_epilogue, mips16_constant,
4376 build_mips16_function_stub, mips_output_conditional_branch):
4378 (mips_va_start): Remove unused variable `u'.
4379 (mips_va_arg): Cast value to unsigned when comparing against one.
4381 (save_restore_insns, mips_expand_prologue): Add missing arg in
4382 call to `large_int'.
4384 * mips.h: Move prototypes to mips-protos.h.
4385 (data_section, memory_address_p, rdata_section,
4386 readonly_data_section, simple_epilogue_p, text_section): Delete
4387 prototypes delcared elsewhere.
4388 (mips_epilogue_delay_slots, print_options): Delete unused decls.
4390 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
4392 * mips.md: Delete extra args in call to `mips_move_2words'.
4394 * xm-iris6.h (alloca): Add prototype argument.
4396 * genpeep.c: Include "tm_p.h" in generated output file.
4398 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4400 * basic-block.h (find_edge_index): Change parameters.
4401 * flow.c (verify_edge_list): Pass basic_block parameters to
4402 find_edge_index instead of integers.
4404 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
4406 * combine.c (simplify_comparison): Use an unsigned shift to adjust
4409 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
4411 * gcc.1: Fix a formatting error.
4413 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4415 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
4416 i786, mn10200, mn10300, pdp11, v850.
4418 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
4420 * libgcc2.c (num_digits): Add prototype with
4421 __attribute__((const)).
4422 (__terminate): Add prototype.
4424 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
4426 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
4428 * alpha/alpha.c (print_operand): Fix type of `code'.
4429 (alpha_output_filename): Constify.
4430 * alpha/alpha.h: Move all function declarations ...
4431 * alpha/alpha-protos.h: ... here. New file.
4432 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
4433 (SECTION_FUNCTION_TEMPLATE): Likewise.
4435 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4437 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
4438 * expr.c (expand_expr): Likewise.
4439 (do_jump): Likewise.
4440 (do_store_flag): Pass ccp_store_flag to can_compare_p.
4441 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
4443 (enum can_compare_purpose): New.
4444 (can_compare_p): Adjust prototype.
4445 (prepare_cmp_insn, prepare_operand): Declare.
4446 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
4447 * optabs.c (cmp_available_p): Deleted.
4448 (expand_abs): Pass ccp_jump to can_compare_p.
4449 (can_compare_p): New arg PURPOSE. Check for combined optabs.
4450 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
4451 Call can_compare_p rather than cmp_available_p.
4452 (prepare_operand): No longer static.
4453 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
4454 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
4455 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
4456 sequence to use emit_cmp_and_jump_insns.
4457 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
4459 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
4461 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
4462 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
4463 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
4464 (plus (reg) (const_int 0))
4465 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
4467 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
4469 * rs6000.c (expand_block_move): DImode loads and stores require
4470 word-aligned displacements. Increment address registers with
4471 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
4473 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
4475 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
4476 is no name for the base type, rather than segfault. If we are
4477 writing out a complex integer type, use DW_ATE_lo_user.
4479 * expr.c (emit_move_insn_1): If we are copying a complex that fits
4480 in one word or less (complex char, complex short, or on 64 bit
4481 systems complex float) to/from a hard register, copy it through
4482 memory instead of dying in gen_{real,imag}part. If we have a
4483 short complex type, prevent inlining since it allocates stack
4486 * tree.c (build_complex_type): If we are writing dwarf2 output,
4487 generate a name for complex integer types.
4489 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4491 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
4492 * flow.c (remove_edge): Remove extra whitespace.
4493 (remove_fake_edges): Fix comment.
4494 (add_noreturn_fake_exit_edges): Use the correct name.
4496 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
4498 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
4499 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
4500 (clean): Depend on INTL_CLEAN.
4501 (maintainer-clean): Adjust.
4503 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4505 * configure.in (AC_PREREQ): Bump to 2.13.
4506 (AC_C_STRINGIZE): Call this instead of using a custom macro.
4508 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
4510 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
4512 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
4514 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
4515 (HAVE_STRINGIZE): Define.
4517 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
4519 * c-parse.in: save and restore warn_pointer_arith on __extension__
4520 along with pedantic.
4521 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
4522 Set the type of extension to itype rather than $<itype>1 kludge.
4523 * extend.texi (Alternate Keywords): Adjust documentation.
4524 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
4526 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
4528 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
4529 most assembler templates.
4531 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
4532 FP loads and stores.
4533 (following_call): Always return zero for the PA8000.
4534 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
4535 FP loads and stores.
4536 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
4538 * pa.h (BRANCH_COST): Define.
4540 * pa.md (return, return_internal): Use bve for PA2.0.
4542 * pa.md (fused multiply): Add variants which reduce height for the
4543 fused multiply, but which still generate 2 insns.
4544 (fnegabs): Similarly.
4546 * pa.md (subsi3): Turn into an expander. Create two anonymous
4547 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
4548 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
4550 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
4552 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
4554 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
4555 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
4557 * regclass.c (init_regs): Add "top_of_stack" as a garbage
4560 * flow.c (record_active_eh_regions): Terminate loop after finding
4561 the last insn in the last basic block.
4563 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4565 * config/c4x/c4x.md: Delete parallel instruction peepholes.
4567 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4569 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
4571 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4573 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
4574 splitting to not use output template.
4576 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4578 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
4579 * config/c4x/c4x.c (c4x_va_start): New function.
4581 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
4583 * genrecog.c (not_both_true): Handle correctly cases when called for
4584 tests with different positions in the insn.
4586 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4588 * machmode.h (HOST_PTR_PRINTF): Move from here ...
4590 * system.h (HOST_PTR_PRINTF): ... to here.
4592 * mips-tfile.c: Don't include machmode.h.
4594 * Makefile.in (MACHMODE_H): New variable. Update to use it.
4595 (mips-tfile.o): Don't depend on machmode.h.
4597 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4599 * haifa-sched.c (sched_analyze): Rename local variable `region' to
4600 avoid conflicts with typedef struct `region' at the top level scope.
4602 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
4604 * basic-block.h (basic_block): Add eh_beg, eh_end.
4605 * flow.c (entry_exit_blocks): Update.
4606 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
4608 (find_basic_blocks_1): Don't record eh_list at each bb. Use
4609 lists.c functions to allocate insn lists.
4610 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
4612 (make_eh_edge): ... here. New.
4613 (move_stray_eh_region_notes): New.
4614 (record_active_eh_regions): New.
4615 (delete_unreachable_blocks): Split out block merging ...
4616 (try_merge_blocks): ... here. New.
4617 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
4618 Dump debugging data.
4619 (merge_blocks_move_successor_nojumps): Likewise.
4620 (merge_blocks): Use eh_beg+eh_end to validate block movement.
4622 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4624 * extend.texi (Bound member functions): Document unbound pmf
4627 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4629 * flow.c (split_edge): Handle insertion on a fallthrough edge which
4630 has the EXIT_BLOCK as a dest.
4632 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4634 * flow.c (remove_edge): New function to remove an edge from the
4636 (remove_fake_successors): New function to remove fake successor edges.
4637 (remove_fake_edges): New function to remove all fake edges from the
4639 (add_fake_exit_edges): New function to add fake edges from all blocks
4640 with no successors to the exit block.
4641 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
4642 prototypes for new functions.
4644 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4646 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
4647 Use Pmode to determine whether to output .dword or .word.
4649 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
4651 * tree.c (built_in_filename): New variable.
4652 (BUILT_IN_FILENAME): New macro.
4653 (init_tree_codes): Allocate built_in_filename.
4654 (make_node): Use built_in_filename instead of string constant.
4656 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
4658 * configure.in: Add fr30 target.
4659 * configure: Regenerate.
4660 * config/fr30: New directory.
4661 * config/fr30/crti.asm: New file.
4662 * config/fr30/fr30.c: New file.
4663 * config/fr30/crtn.asm: New file.
4664 * config/fr30/fr30.h: New file.
4665 * config/fr30/fr30.md: New file.
4666 * config/fr30/lib1funcs.asm: New file.
4667 * config/fr30/t-fr30: New file.
4668 * config/fr30/xm-fr30.h: New file.
4670 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
4672 * flow.c (merge_blocks_move_successor_nojumps): Delete the
4673 BARRIER at the end of the successor, not the BARRIER before
4676 * pa.c (pa_add_gc_roots): Fix thinko in last change.
4678 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
4680 * stmt.c (any_pending_cleanups): Don't crash when
4681 current_function->stmt is unset.
4683 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4685 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
4686 other initializations that may use it for relative offsets.
4688 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4690 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
4691 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
4692 * config/i386/sol2dbg.h: Removed.
4693 * config/i386/sol2gas.h: New file, to enable gas work-around.
4694 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
4695 Don't use sol2dbg.h.
4696 * configure: Rebuilt.
4698 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
4700 * invoke.texi (-fthis-is-variable): Remove documentation.
4702 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
4704 * basic-block.h (compute_bb_for_insn): Declare.
4705 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
4706 to use; set size of basic_block_for_insn directly.
4707 (find_basic_blocks): Update.
4709 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4711 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
4713 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4715 * crtstuff.c (ON_EXIT): Delete empty macro definition.
4716 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
4718 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
4720 * c-decl.c (c_decode_option): Extend comment.
4722 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
4724 * toplev.c (progname): Make 'const char *'
4725 (flag_print_mem): Move out of main.
4726 (version_flag): Move out of main.
4727 (filename): Move out of main.
4728 (debug_args): Remove g prefix from options.
4729 (documented_lang_options): Remove cpplib specific options.
4730 (display_help): Add g prefix to debug options.
4731 (check_lang_option): Delete this function.
4732 (decode_d_option): New function: Decode -d... option.
4733 (decode_f_option): New function: Decode -f... option.
4734 (decode_W_option): New function: Decode -W... option.
4735 (decode_g_option): New function: Decode -g... option.
4736 (independent_decode_option): New function: Decode a language
4737 independent command line option.
4738 (main): Invoke lang_decode_option and then
4739 independent_decode_option on each command line option in
4742 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
4744 Revert this change. Gavin's patch to operand_equal_p is a better fix.
4745 * fold-const.c (fold_range_test): Do not try to fold the range
4746 test if the rhs or lhs has side effects.
4748 * basic-block.h (compute_flow_dominators): Declare.
4750 * gcse.c (alloc_code_hoist_mem): New function.
4751 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
4752 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
4753 (hoist_code, one_code_hoisting_pass): Likewise.
4754 (gcse_main): If optimizing for size, then hoist expressions
4755 computed in multiple dominated basic blocks.
4757 * gcse.c (invalid_nonnull_info): New function.
4758 (delete_null_pointer_checks): Likewise.
4759 * rtl.h (delete_null_pointer_checks): Declare.
4760 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
4762 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
4763 (merge-blocks_move_successor_nojumps): Likewise.
4764 (merge_blocks): Allow merging of some blocks, even if it requires
4765 physical movement of the blocks, but not if it requires new jumps.
4767 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
4768 Callers and prototype changed.
4769 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
4771 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4773 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
4774 -YP when both -p and -pg are present. From i386/sol2.h.
4776 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4778 * Makefile.in (distclean): Delete tm_p.h.
4779 * configure.in: Create a new file, "tm_p.h", from a list in
4780 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
4781 "i386/i386-protos.h".
4783 * alias.c: Include "tm_p.h".
4784 * c-typeck.c: Likewise.
4785 * calls.c: Likewise.
4787 * emit-rtl.c: Likewise.
4788 * explow.c: Likewise.
4789 * expmed.c: Likewise.
4791 * final.c: Likewise.
4793 * fold-const.c: Likewise.
4794 * function.c: Likewise.
4796 * global.c: Likewise.
4797 * haifa-sched.c: Likewise.
4798 * integrate.c: Likewise.
4800 * local-alloc.c: Likewise.
4802 * optabs.c: Likewise.
4803 * recog.c: Likewise.
4804 * reg-stack.c: Likewise.
4805 * regclass.c: Likewise.
4806 * regmove.c: Likewise.
4807 * reload.c: Likewise.
4808 * reload1.c: Likewise.
4809 * reorg.c: Likewise.
4810 * resource.c: Likewise.
4812 * stor-layout.c: Likewise.
4813 * toplev.c: Likewise.
4815 * unroll.c: Likewise.
4816 * genattrtab.c (main): Make generated file include "tm_p.h".
4817 * genemit.c (main): Likewise.
4818 * genoutput.c (main): Likewise.
4819 * genrecog.c (main): Likewise.
4821 * i386.h: Delete all prototypes.
4822 * i386.c: Include "tm_p.h".
4823 (ix86_attr_length_default): Call constant_call_address_operand
4824 with correct number of arguments.
4825 * i386-protos.h: New file.
4826 * i386.md (unnamed patterns): Call constant_call_address_operand
4827 with correct number of arguments.
4828 (exception_receiver): Call load_pic_register with correct number
4831 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
4833 * c-pragma.c (mark_align_stack): Dereference the void* properly.
4835 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
4837 * rtl.h (insns_safe_to_move_p): New function.
4838 * loop.c (find_and_verify_loops): Use it.
4839 * rtlanal.c (insns_safe_to_move_p): Define it.
4841 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
4843 * c-pragma.c: Include ggc.h.
4844 * Makefile.in (c-pragma.o): Update.
4846 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4848 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
4849 (LIB_SPEC): Likewise.
4850 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
4851 Reindent -YP/-p/-pg.
4852 Copied from config/sparc/sol2.h.
4854 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
4856 * c-pragma.c (mark_align_stack): New.
4858 * c-pragma.h (init_pragma): Declare it.
4859 * c-lex.c (init_parse): Call it.
4861 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4863 * configure.in: Pick up thread library on Solaris/x86 just
4864 like on Solaris/sparc.
4865 * configure: Rebuilt.
4867 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
4869 * rtl.h (global_rtx_index): New enum.
4870 (global_rtl): Change to array of rtx.
4871 (pc_rtx, cc0_rtx): Redefine accordingly.
4872 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
4873 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
4874 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
4875 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
4876 (const_int_rtx): Change to array of rtx.
4877 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
4879 * emit-rtl.c (global_rtl): Change to array of rtx.
4880 (const_int_rtx): Change to aray of rtx.
4881 (gen_rtx_CONST_INT): Redefine accordingly.
4882 (init_emit_once): Allocate and initialize global_rtl. Likewise
4883 for const_int_rtx. Add both as GC roots.
4884 * genattrtab.c (global_rtl): Update declaration.
4886 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
4888 * Makefile (USER_H): Add iso646.h back.
4890 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
4892 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
4893 zapping the LOG_LINKS of sched_before_next_call.
4895 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
4896 * pa.c (insn_refs_are_delayed): Renamed from
4897 insn_sets_and_refs_are_delayed.
4899 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
4901 * functiion.h (struct function): Add x_whole_function_mode_p.
4902 (retrofit_block): Declare.
4903 * function.c (retrofit_block): New function.
4904 (identify_blocks): Add assertions. Allow an incomplete set of
4905 block notes if we're still generating code for the function.
4906 * integrate.c: Include loop.h.
4907 (expand_inline_function): Call find_loop_tree_blocks to map block
4908 notes to blocks when in whole-function mode. Use retrofit_block
4909 to insert new BLOCKs for the inlined function, rather than
4911 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
4912 * Makefile.in (integrate.o): Depend on loop.h.
4914 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
4916 * tree.h (warn_about_unused_variables): Declare.
4917 * stmt.c (warn_about_unused_variables): New function, split out
4919 (expand_end_bindings): Here.
4921 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
4923 * stmt.c (preserve_subexpressions_p): Don't crash when
4924 current_function->stmt is unset.
4926 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
4928 * stmt.c (expand_start_bindings): Allow callers to pass a flag
4929 indicating that no NOTE_INSN_BLOCK_BEG note is required.
4930 (expand_start_target_temps): Use it.
4931 * except.c (expand_eh_region_start_for_decl): Likewise.
4932 * expr.c (expand_expr): Likewise.
4934 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
4936 * fold-const.c (operand_equal_p): Pay attention to side effects.
4938 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
4940 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
4941 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
4943 * tlink.c (scan_linker_output): Look for keywords before accepting
4944 a mangled name in quotes.
4946 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
4948 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
4949 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
4951 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
4953 * alpha.md: Revert Thu Nov 26 change that came in through the
4954 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
4955 Avoid earlyclobber when possible.
4957 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4959 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
4961 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
4962 Define HAVE_ON_EXIT.
4964 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4966 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
4967 CTYPE_CONV in all ctype macros.
4969 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
4972 * cexp.y (initialize_random_junk): Likewise.
4974 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
4976 * i370.c (handle_pragma): Likewise.
4978 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
4980 * v850.c (override_options): Likewise.
4982 * doprint.c (_doprnt): Likewise.
4984 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
4987 * fixinc/server.c (load_data): Likewise.
4989 * fold-const.c (real_hex_to_f): Likewise.
4991 * genattr.c (write_upcase, gen_attr): Likewise.
4993 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
4994 write_upcase): Likewise.
4996 * genemit.c (print_code): Likewise.
4998 * genopinit.c (gen_insn): Likewise.
5000 * genpeep.c (print_code): Likewise.
5002 * genrecog.c (print_code): Likewise.
5004 * optabs.c (init_libfuncs): Likewise.
5006 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
5008 * haifa-sched.c (sched_analyze): Keep the list of notes organized
5010 (reemit_notes): Likewise.
5012 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
5014 * ggc.h (ggc_root): Move to ggc-common.c.
5016 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
5017 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
5018 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
5019 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
5020 * ggc-common.c (ggc_root): Move from ggc.h.
5021 (roots): Declare, static.
5022 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
5023 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
5024 null or check/set mark bit.
5025 (ggc_mark_roots): New.
5026 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
5028 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
5030 * m32r.c: Include toplev.h.
5031 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
5032 (gen_compare): Rename swap_p to must_swap to match uses.
5033 Add default abort case.
5034 (m32r_output_function_epilogue): Remove unused variables.
5035 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
5036 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
5037 define to empty parameter list. Update all uses.
5038 (predicate decls): Use enum machine_mode not int.
5039 * m32r.md (movsi): Call abort, not fatal_insn.
5040 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
5042 1999-09-14 Andrew Haley <aph@cygnus.com>
5044 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
5045 use $0 instead of 0.
5047 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5049 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
5050 computation out of loop over hard regs.
5052 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
5054 * function.c (identify_blocks): Don't shadow a variable in an
5056 * integrate.c (integrate_decl_tree): Don't use pushlevel,
5057 pushdecl, or poplevel to build up the new BLOCK tree.
5058 (expand_inline_function): Likewise.
5059 (integrate_parm_decls): Likewise.
5061 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
5063 * c-typeck.c (qualify_type): Merge qualifiers from both types.
5065 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
5067 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
5068 * invoke.texi: Document this change.
5070 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
5072 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
5074 (mark_emit_status): Renamed from mark_emit_state.
5075 * except.c (mark_eh_status): Renamed from mark_eh_state.
5076 Check not null before marking.
5077 (free_eh_status): New.
5078 * expr.c (mark_expr_status, free_expr_status): New.
5079 * function.c (free_machine_status): New.
5080 (free_after_parsing): New.
5081 (free_after_compilation): Move bits to free_after_parsing; call
5082 free_eh_status, free_expr_status; zero the marked members of the
5084 (prepare_function_start): No can_garbage_collect.
5085 Call init_eh_for_function.
5086 (expand_dummy_function_end): Free up current_function state.
5087 (mark_function_status): Renamed from mark_function_state.
5088 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
5089 * function.h (struct function): No can_garbage_collect.
5090 (free_machine_status, free_after_parsing): Declare.
5091 (free_eh_status, free_expr_status): Declare.
5092 * ggc.h (mark_expr_status): Declare.
5093 * stmt.c (free_stmt_status): Free the struct.
5094 (mark_stmt_status): Renamed from mark_stmt_state.
5095 (init_stmt): Don't call init_eh.
5096 (init_stmt_for_function): Don't call init_eh_for_function.
5097 * toplev.c (compile_file): Call init_eh.
5098 (rest_of_compilation): Free basic block info before ggc_collect.
5099 Call free_after_parsing; conditionally call free_after_compilation.
5100 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
5101 Check not null before marking.
5102 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
5104 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
5106 * c-lex.c (yylex): Initialize warn.
5108 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
5110 * pa.c (emit_move_sequence): Properly set the mode of the scratch
5111 register when performing secondary reloads for the SAR register.
5113 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
5115 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
5116 (NOTE_BLOCK): New macro.
5117 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
5118 * function.h (identify_blocks): Change prototype.
5119 * function.c (identify_blocks): Simplify.
5120 (reorder_blocks): Likewise.
5121 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
5122 NOTE_INSN_BLOCK_{BEG,END}.
5123 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
5124 the list of saved notes if the note isn't a
5125 NOTE_INSN_BLOCK_{BEG,END}.
5126 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
5128 (reemit_notes): Adjust recreation of notes to reflect new saved
5130 * print-rtl.c (print_rtx): Print the address of the BLOCK when
5131 printing a block note.
5132 * stmt.c (block_vector): Remove.
5133 (find_loop_tree_blocks): Simplify.
5134 (unroll_block_trees): Likewise.
5135 * tree.h (reorder_block): Change prototype.
5137 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
5139 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
5140 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
5141 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
5142 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
5143 (atexit, exit): Simplify.
5144 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
5145 * config/lots: Remove defns of HAVE_ATEXIT.
5147 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
5149 * calls.c (precompute_arguments): Fix typo in comment.
5150 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
5153 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
5155 * dsp16xx.c (override_options): Fix typos in GC root registration.
5157 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
5159 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
5161 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
5162 (FUNCTION_PROFILER): Redefine appropriately for Linux.
5163 (CC1_SPEC): Likewise.
5165 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5167 * genattr.c (main): Add extern prototype. Call return, not exit.
5168 * genattrtab.c (main): Likewise.
5169 * gencheck.c (main): Likewise.
5170 * gencodes.c (main): Likewise.
5171 * genconfig.c (main): Likewise.
5172 * genemit.c (main): Likewise.
5173 * genextract.c (main): Likewise.
5174 * genflags.c (main): Likewise.
5175 * gengenrtl.c (main): Likewise.
5176 * genopinit.c (main): Likewise.
5177 * genoutput.c (main): Likewise.
5178 * genpeep.c (main): Likewise.
5179 * genrecog.c (main): Likewise.
5181 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
5182 * genattrtab.c (get_insn_name): Likewise.
5183 * gencodes.c (get_insn_name): Likewise.
5184 * genconfig.c (get_insn_name): Likewise.
5185 * genemit.c (get_insn_name): Likewise.
5186 * genextract.c (get_insn_name): Likewise.
5187 * genflags.c (get_insn_name): Likewise.
5188 * genopinit.c (get_insn_name): Likewise.
5189 * genpeep.c (get_insn_name): Likewise.
5191 * gencheck.c (usage): Add static prototype.
5192 * genextract.c (print_path): Constify a char*.
5193 * genopinit.c (optabs): Likewise.
5194 * genoutput.c (operand_data, data, output_predicate_decls,
5195 compare_operands): Likewise.
5196 * genrecog.c (write_tree): Add default case in switch.
5198 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5200 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
5202 * print-rtl.c (get_insn_name): Remove prototype.
5204 * toplev.h (progname): Declare const.
5206 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
5207 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
5208 dump_sched_info, dump_local_alloc, regset_release_memory,
5209 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
5210 error_with_file_and_line, error_with_decl, error_for_asm, error,
5211 fatal, warning_with_file_and_line, warning_with_decl, warning,
5212 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
5213 Remove redundant prototypes.
5215 (notice, check_lang_option, report_file_and_line, vnotice,
5216 mark_file_stack): Add static prototype.
5217 (set_fatal_function): Add prototype.
5218 (vnotice, report_file_and_line, set_fatal_function,
5219 check_lang_option): Constify a char*.
5220 (main): Prototype. Call return, not exit.
5222 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5224 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
5226 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
5228 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
5230 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
5232 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5234 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
5235 behave as if it's zero in all cases.
5236 (expand_function_start): Adjust call to assign_parms.
5237 * tree.h (assign_parms): Adjust prototype.
5238 * objc/objc-act.c (hack_method_prototype): Adjust call to
5241 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
5243 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
5244 arg_pointer_rtx fixed if the argument pointer register is
5246 (NONZERO_BASE_PLUS_P): Likewise.
5248 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
5250 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
5251 match_insn2 to match_insn.
5252 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
5254 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
5256 * Makefile.in (USER_H): Remove va-foo.h.
5258 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
5259 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
5260 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
5261 va-spur.h,va-v850.h}: Remove.
5263 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
5265 * sparc/sparc.md (eligible_for_return_delay): New attribute.
5266 (in_return_delay): Use it instead of match_insn.
5268 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5270 * config/alpha/va_list.h (va-alpha.h): Do not include.
5271 (__gnuc_va_list): Typedef as in varargs.h.
5273 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
5275 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
5276 DECL_LIVE_RANGE_RTL.
5278 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
5280 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
5281 not NOTE_BLOCK_NUMBER.
5282 (expand_eh_region_end): Likewise.
5283 (find_exception_handler_labels): Likewise.
5284 (scan_region): Likewise.
5285 (exception_optimize): Likewise.
5286 (update_rethrow_references): Likewise.
5287 (set_insn_eh_region): Likewise.
5288 * final.c (final_scan_insn): Likewise.
5289 * flow.c (make_edges): Likewise.
5290 * integrate.c (expand_inline_function): Likewise.
5291 * print-rtl.c (print_rtx): Likewise.
5293 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
5295 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
5296 terms of builtin functions and types.
5298 * mips.c (mips_build_va_list): New.
5299 (mips_va_start, mips_va_arg): New.
5300 * mips.h (BUILD_VA_LIST_TYPE): New.
5301 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
5303 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
5304 (sh_build_va_list, sh_va_start, sh_va_arg): New.
5305 * sh.h (BUILD_VA_LIST_TYPE): New.
5306 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
5308 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
5310 * recog.h (struct recog_data): Make dup_num, operand_address_p,
5311 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
5312 (struct insn_data): Likewise with n_operands, n_dups,
5313 n_alternatives, output_format.
5314 * regclass.c (scan_one_insn): Cast n_operands to int before
5315 arithmetic inside comparison.
5317 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
5319 * toplev.c (compile_function): Unconditionally emit nop.
5321 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5323 * haifa-sched.c (actual_hazard): Move declaration of variable
5324 `this_cost' into the scope where it is used.
5326 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5328 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
5329 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
5330 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
5332 * genrecog.c (make_insn_sequence): Call memset, not bzero.
5334 * jump.c (find_insert_position): Don't declare or define unless
5335 !HAVE_conditional_arithmetic.
5336 (returnjump_p_1, delete_prior_computation): Add static prototypes.
5338 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
5340 * recog.c (offsettable_address_p): Prototype function pointer.
5341 (preprocess_constraints): Call memset, not bzero.
5343 * tree.c (tree_node_kind_names): Constify a char*. Make static.
5344 (gcc_obstack_init): Don't declare.
5345 (fix_sizetype): Add static prototype.
5346 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
5347 (tree_cons): Call memset, not bzero.
5349 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
5350 definition in macro ASM_WEAKEN_LABEL.
5351 (mark_const_hash_entry): Add static prototype.
5353 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5355 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
5357 * unroll.c (find_common_reg_term, subtract_reg_term,
5358 loop_find_equiv_value): Add static prototypes.
5359 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
5360 (copy_loop_body): Remove unreachable break statement.
5362 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
5364 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
5366 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5368 Undo some changes from the gcc2 merge:
5369 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
5370 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
5374 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
5375 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5376 initialized float-int union if the value is a NaN.
5378 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
5380 * gthr-win32.h: New file.
5382 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
5383 shared as a valid attribute.
5384 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
5385 * extend.texi: Document `shared' variable attribute.
5387 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
5389 * configure.in: Handle --enable-threads on FreeBSD.
5390 * configure: Rebuit.
5392 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5394 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
5396 * configure: Rebuilt.
5398 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
5399 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
5400 Rosimildo DaSilva <rdasilva@connecttel.com>
5402 * configure.in (m68k-*-rtemscoff*): Added.
5403 * configure.in (mips64orion-*-rtems*): Converted to ELF.
5404 * configure.in (sparc-*-rtemsaout*): Added as alias for old
5405 sparc-rtems configuration.
5406 * configure.in (sparc-*-rtemself*): Added.
5407 * configure.in (sparc-*-rtems*): Now ELF not a.out.
5408 * config/i386/rtems.h: Added comment.
5409 * config/sparc/rtemself.h: New file.
5411 * configure.in (m68k-rtemself): Added.
5412 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
5413 and DWARF_DEBUGGING_INFO.
5414 * config/m68k/crti.s: New file.
5415 * config/m68k/crtn.s: New file.
5416 * config/m68k/t-crtstuff: New file.
5417 * config/m68k/rtemself.h: New file.
5419 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
5420 global ctor/dtor and C++ exception handling.
5421 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
5422 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
5424 * config/i386/t-rtems-i386: New File.
5426 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
5428 * stmt.c (expand_end_case): Return right away if the case stack is
5431 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
5433 * Makefile.in (version.c): Remove rule incorrectly brought in from
5436 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
5438 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
5439 * msdos/top.sed: Take into account a prepended $(SHELL) to
5441 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
5443 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
5445 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5447 * regmove.c (fixup_match_1): Don't change an unchanging register.
5448 (stable_but_for_p): Renamed to:
5449 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
5450 Changed all callers.
5452 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
5454 * loop.c (strength_reduce): Don't call reg_used_between_p if the
5455 insn from BL2 is after the insn from BL.
5457 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
5459 * recog.h (INSN_OUTPUT_FORMAT_*): New.
5460 (struct insn_data): Merge `template' and `outfun' into `output'.
5461 Add `output_format'.
5462 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
5463 (struct data): Remove `outfun'; add `output_format'.
5464 (name_for_index): Remove declaration.
5465 (output_insn_data): Handle output formats.
5466 (process_template): Emit the bare array for @.
5467 (gen_expand, gen_split): Set output_format to NONE.
5468 * output.h (get_insn_template): Declare.
5469 * final.c (get_insn_template): New.
5470 (final_scan_insn): Use it.
5471 * toplev.c (compile_file): Likewise.
5473 * c4x/c4x.c (c4x_process_after_reload): Likewise.
5474 * i860/i860.c (output_delayed_branch): Likewise.
5475 (output_delay_insn): Likewise.
5477 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5479 * rtl.c (obstack_alloc_rtx): Removed.
5481 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
5483 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
5485 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
5487 * i386.c (call_insn_operand): Reject const_int.
5488 (expander_call_insn_operand): Use call_insn_operand.
5490 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5492 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
5494 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
5496 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
5497 Use DImode operation.
5499 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
5501 * gcc.c: Include sys/resource.h.
5502 (report_times): New flag.
5503 (execute): If report_times is set, calculate and report the
5504 CPU time consumed by each subprocess.
5506 (rus, prus): New globals.
5507 (option_map): Add --time.
5508 (display_help): Document -time.
5509 (process_command): Set report_times if -time is given.
5510 Turn off -pipe if -time is given.
5512 * invoke.texi: Document new option -time.
5514 * configure.in: Check for getrusage. Check if we have to
5515 prototype getrusage.
5516 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
5517 * configure: Regenerate.
5518 * config.in: Regenerate.
5520 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
5522 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
5525 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
5527 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
5528 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
5529 (nan): Return _thenan_sf or _thenan_df as appropriate.
5530 (L_thenan_sf): Define _thenan_sf.
5531 (L_thenan_df): Define _thenan_df.
5533 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
5534 (DPBIT_FUNCS): Add _thenan_df.
5536 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
5538 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
5541 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5543 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
5546 (lang_specific_driver): Don't take a function pointer parameter.
5547 All callers changed.
5549 * gcc.c: Include gcc.h.
5550 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
5551 lang_specific_extra_outfiles, fatal): Don't declare.
5552 (multilib_defaults_raw): Constify.
5553 (read_specs): Call memset, rather than bzero.
5554 (main): Call return, not exit.
5555 (lookup_compiler): Call memcpy, not bcopy.
5556 (fatal): Make extern.
5558 * cppspec.c: Include gcc.h.
5559 (lang_specific_driver): Initialize variable `quote'. Constify a
5560 char*. All calls to the function pointer parameter now
5561 explicitly call `fatal'.
5563 * gccspec.c (lang_specific_driver): Include gcc.h.
5565 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
5567 * arm.c (note_invalid_constants): Use recog_data.operand_type
5570 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5572 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
5575 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
5576 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
5577 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
5578 reload_secondary_in_reload, reload_secondary_out_reload,
5579 reload_secondary_in_icode, reload_secondary_out_icode,
5580 reload_reg_rtx, reload_when_needed): Delete declarations.
5581 (struct reload): New structure.
5582 (rld): Declare new array.
5583 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
5584 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
5585 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
5586 reload_secondary_in_reload, reload_secondary_out_reload,
5587 reload_secondary_in_icode, reload_secondary_out_icode,
5588 reload_reg_rtx, reload_when_needed): Delete definitions.
5590 (whole file): Replace uses of the deleted arrays with uses of rld.
5591 * reload1.c (whole file): Replace uses of the deleted arrays with
5593 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
5594 explicit loops, not with bcopy.
5596 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
5598 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
5599 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
5600 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
5601 insn_name): Delete and consolidate into new structures.
5602 (insn_operand_predicate_fn): New.
5603 (insn_output_fn): New.
5605 (struct insn_operand_data): New.
5606 (struct insn_data): New.
5608 (OUT_FCN): Update for insn_data change.
5609 * builtins.c (expand_builtin_strlen): Likewise.
5610 (expand_builtin_memcmp): Likewise.
5611 * combine.c (make_extraction, simplify_comparison): Likewise.
5612 * cse.c (canon_reg, cse_insn): Likewise.
5613 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
5614 * expmed.c (store_bit_field, extract_bit_field): Likewise.
5615 (emit_store_flag): Likewise.
5616 * expr.c (convert_move, emit_block_move): Likewise.
5617 (clear_storage, emit_push_insn, expand_increment): Likewise.
5618 (do_store_flag): Likewise.
5619 * expr.h (GEN_FCN): Likewise.
5620 (insn_gen_function): Die.
5621 * final.c (final_scan_insn): Update for insn_data change.
5622 (output_asm_name): Likewise.
5623 * function.c (fixup_var_refs_1): Likewise.
5624 * loop.c (check_dbra_loop): Likewise.
5625 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
5626 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
5627 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
5628 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
5629 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
5630 * regmove.c (gen_add3_insn): Likewise.
5631 * reload.c (push_secondary_reload, combine_reloads): Likewise.
5632 (find_reloads, find_reloads_address_1): Likewise.
5633 (debug_reload_to_stream): Likewise.
5634 * reload1.c (emit_reload_insns, gen_reload): Likewise.
5635 * stmt.c (expand_end_case): Likewise.
5636 * toplev.c (compile_file): Likewise.
5638 * c4x/c4x.c (c4x_process_after_reload): Likewise.
5639 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
5641 * print-rtl.c (insn_name_ptr): Remove declaration.
5642 (get_insn_name): Declare.
5643 (print_rtx): Use it.
5644 * genoutput.c (insn_name_ptr): Remove.
5645 (next_operand_number): New.
5646 (struct operand_data): New.
5647 (null_operand, odata, odata_end): New.
5648 (struct data): Use struct operand_data.
5649 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
5650 (get_insn_name): Renamed from name_for_index.
5651 (output_prologue): Define NO_MD_PROTOTYPES.
5652 (output_predicate_decls): Break out from output_epilogue.
5653 Iterate over the operands list.
5654 (output_operand_data): Break out from output_epilogue. Emit
5655 just the operands list.
5656 (output_insn_data): Break out from output_epilogue. Emit just
5658 (output_epilogue): Remove.
5659 (output_get_insn_name): New.
5660 (constraints, op_n_alternatives, predicates, address_p): Die.
5661 (modes, strict_low, seen): Die.
5662 (scan_operands): Take new param `d' instead of writing to
5663 seven global variables.
5664 (compare_operands): New.
5665 (place_operands): New.
5666 (validate_insn_alternatives): Update for struct data change.
5667 (gen_insn): Don't zero or copy 7 global arrays. Update for
5668 scan_operands; call place_operands.
5669 (gen_peephole, gen_expand, gen_split): Likewise.
5670 (main): Update for new output routines.
5672 * genattr.c (insn_name_ptr): Remove.
5673 (get_insn_name): New function.
5674 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
5675 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
5676 * genrecog.c: Likewise.
5678 * alpha.md (adddi3): Make `pattern' array static.
5680 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5682 * config/c4x/c4x.h (c4x_rpts_cycles_string,
5683 c4x_cpu_version_string): Constify char *.
5684 * config/c4x/c4x.c (c4x_rpts_cycles_string,
5685 c4x_cpu_version_string): Likewise.
5687 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
5689 * tree.c (save_tree_status): Revert 10 Sep change.
5690 (restore_tree_status): Likewise. Call obstack_free with NULL
5691 before freeing the obstack proper.
5693 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
5695 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
5697 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
5698 surrounding context.
5700 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
5702 * tree.c (type_hash_canon): Put all types in the hash-table, when
5705 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
5707 * recog.h (struct recog_data, recog_data): New.
5708 (recog_foo variables): Kill.
5709 * recog.c (recog_operand, recog_operand_loc): Kill.
5710 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
5711 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
5712 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
5713 (recog_data): Define.
5714 (extract_insn): Update all recog_foo references to use recog_data.
5715 (preprocess_constraints, constrain_operands): Likewise.
5716 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
5717 * genattrtab.c (main): Likewise.
5718 * genextract.c (main): Likewise.
5719 * genoutput.c: Likewise.
5720 * genrecog.c (write_subroutine, main): Likewise.
5721 * local-alloc.c (block_alloc): Likewise.
5722 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
5723 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
5724 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
5725 * reload.c (find_reloads, find_reloads_toplev): Likewise.
5726 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
5727 (reload_cse_simplify_operands): Likewise.
5729 * arc/arc.c (arc_final_prescan_insn): Likewise.
5730 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
5731 * h8300/h8300.c (notice_update_cc): Likewise.
5732 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
5733 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
5734 * mn10200/mn10200.c (notice_update_cc): Likewise.
5735 * mn10300/mn10300.c (notice_update_cc): Likewise.
5736 * romp/romp.c (update_cc): Likewise.
5737 * sparc/sparc.c (check_pic): Likewise.
5738 * v850/v850.c (notice_update_cc): Likewise.
5740 * genemit.c (main): Don't declare recog_operand.
5742 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
5744 * ggc.h (rtvec_def): Forward declare.
5745 (tree_node): Likewise.
5748 (ggc_set_mark_rtx): Add prototype.
5749 (ggc_set_mark_rtvec): Likewise.
5750 (ggc_set_mark_tree): Likewise.
5751 * ggc-simple.c (ggc_root): Don't define.
5752 (roots): Don't declare.
5753 (ggc_mark_rtx): Remove.
5754 (ggc_mark_rtvec): Likewise.
5755 (ggc_mark_tree): Likewise.
5756 (ggc_mark_varray): Likewise.
5757 (ggc_mark_tree_hash_table_entry): Likewise.
5758 (ggc_mark_tree_hash_table): Likewise.
5759 (ggc_set_mart_rtx): New function.
5760 (ggc_set_mark_rtvec): Likewise.
5761 (ggc_set_mark_tree): Likewise.
5762 (ggc_add_root): Remove.
5763 (ggc_add_rtx_root): Likewise.
5764 (ggc_remove_tree_root): Likewise.
5765 (ggc_add_string_root): Likewise.
5766 (ggc_add_tree_varray_root): Likewise.
5767 (ggc_add_tree_hash_table_root): Likewise.
5768 (ggc_del_root): Likewise.
5769 (ggc_mark_rtx_ptr): Likewise.
5770 (ggc_mark_tree_ptr): Likewise.
5771 (ggc_mark_string_ptr): Likewise.
5772 (ggc_mark_tree_varray_ptr): Likewise.
5773 (ggc_mark_tree_hash_table_ptr): Likewise.
5774 * ggc-common.c: New file.
5775 * Makefile.in (OBJS): Add ggc-common.o.
5776 (ggc-common.o): List dependencies.
5778 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
5780 * cppalloc.c (xstrdup): Use memcpy.
5781 * cpperror.c (cpp_print_containing_files): Don't use
5783 * cpplib.c (conditional_skip): Set temp->lineno.
5784 (do_endif): Make error message less obscure.
5785 (if_directive_name): New function.
5786 (cpp_get_token [case EOF]): Unwind the if stack and generate
5787 error messages for each unterminated conditional in this file.
5788 (parse_string): Do not behave differently if -traditional.
5790 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
5792 * builtins.c (expand_builtin_va_arg): Cope with an array-type
5793 va_list decomposing to pointer-type.
5794 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
5795 (rs6000_va_arg): Likewise.
5797 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
5799 * except.c (start_dynamic_handler): Compute size using
5800 STACK_SAVEAREA_MODE.
5802 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5804 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
5805 include directory headers. Don't define strrchr. Don't provide
5806 my_* replacement functions. Prefer PTR over `pointer_type'.
5807 Don't prototype system functions. Don't redefine getopt.
5809 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
5810 safe_read, safe_write, save_pointers, restore_pointers,
5811 is_id_char, in_system_include_dir, directory_specified_p,
5812 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
5813 find_corresponding_lparen, referenced_file_is_newer,
5814 save_def_or_dec, munge_compile_params, gen_aux_info_file,
5815 process_aux_info_file, identify_lineno, check_source,
5816 seek_to_line, forward_to_next_token_char, output_bytes,
5817 output_string, output_up_to, other_variable_style_function,
5818 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
5819 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
5820 find_static_definition, connect_defs_and_decs, add_local_decl,
5821 add_global_decls, needs_to_be_converted, visit_each_hash_node,
5822 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
5823 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
5824 scan_for_missed_items, edit_file, string_list_cons): Add static
5826 (standard_exec_prefix, target_machine, target_version,
5827 default_syscalls_dir, string_list, string_list_cons, find_file,
5828 do_cleaning): Constify a char*.
5829 (safe_read, safe_write): Use PTR, not a char*.
5830 (is_id_char): Take an int, not a char.
5831 (main): Add prototype. Call return, not exit.
5833 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
5835 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
5836 when comparing types.
5838 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
5840 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
5841 (strength_reduce): Release the varrays from the no-bivs early exit.
5843 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
5844 the loop over the registers.
5846 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
5848 (restore_tree_status): Check that instead when freeing the obstack.
5850 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
5852 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
5855 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5857 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
5858 operand size modifiers.
5860 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5862 * c-common.c (c_common_nodes_and_builtins): Don't build
5864 * c-common.h (enum c_tree_index and related accesor macros): Remove
5865 everything now declared in tree.h.
5866 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
5867 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
5868 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
5869 (error_mark_node, void_type_node, char_type_node, integer_type_node,
5870 unsigned_type_node, ptr_type_node, va_list_type_node,
5871 integer_zero_node, null_pointer_node, integer_one_node): Delete.
5872 (init_decl_processing): Call build_common_tree_nodes and
5873 build_common_tree_nodes_2 instead of building their nodes here.
5874 Don't add roots for these nodes.
5875 * stor-layout.c (size_zero_node, size_one_node): Delete.
5876 (set_sizetype): Make a new node for bitsizetype each time.
5877 * tree.c (global_trees): New variable.
5878 (init_obstacks): Add a gc root for it.
5879 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
5880 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
5881 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
5882 (build_common_tree_nodes): New function.
5883 (fix_sizetype): New function.
5884 (build_common_tree_nodes_2): New function.
5885 * tree.h (enum tree_index): New.
5886 (global_trees): Declare.
5887 Add accessor macros for all nodes now moved to global_trees.
5888 Delete their declarations.
5890 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
5892 * c-decl.c (finish_function): When processing a nested function,
5893 push and pop GC context around rest_of_compilation.
5895 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
5897 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
5898 Default ix86_arch to PROCESSOR_I386.
5899 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
5900 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
5901 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
5902 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
5903 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
5904 (EXTRA_SPECS): Remove deleted specs.
5906 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
5908 * function.c (assign_stack_local_1): Allocate from
5909 function->x_frame_offset, not frame_offset.
5911 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
5913 * ggc.h (lang_cleanup_tree): Remove.
5914 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
5915 * ggc-callbacks.c (lang_cleanup_tree): Remove.
5917 * c-decl.c (finish_struct): Use ggc_alloc to allocate
5918 TYPE_LANG_SPECIFIC when garbage collecting.
5919 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
5920 (lang_cleanup_tree): Remove.
5922 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
5924 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
5925 * crtstuff.c: Not here.
5926 * dwarf2out.c: Or here.
5927 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
5930 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
5932 * function.h (free_after_compilation): Remove decl parameter.
5933 (free_varasm_status0: Likewise.
5934 (free_emit_status): Likewise.
5935 (free_stmt_status): Likewise.
5936 (free_after_compilation): Likewise.
5937 (init_lang_status): New variable.
5938 (free_lang_status): Likewise.
5939 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
5940 * function.c (init_lang_status): New variable.
5941 (free_lang_status): Likewise.
5942 (push_function_context_to): Don't set function::decl here.
5943 (free_after_copmilation): Make decl parameter implicit. Call
5944 free_lang_status if defined.
5945 (prepare_function_start): Call init_lang_status if defined.
5946 (init_function_start): Set function::decl here.
5947 * profile.c (output_func_start_profiler): Don't call pushdecl
5948 until we've actually started the function.
5949 * stmt.c (free_stmt_status): Make decl parameter implicit.
5950 * toplev.c (rest_of_compilation): Don't pass decl to
5951 free_after_compilation.
5952 * varasm.c (free_varasm_status): Likewise.
5954 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5956 * except.c (call_get_eh_context): Add root when allocating static
5959 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
5961 * arm.c: Include "ggc.h".
5962 (arm_add_gc_roots): New function.
5963 (arm_override_options): Call it.
5964 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
5966 * arm.md (define_asm_attributes): Add a pool_range attribute.
5968 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
5970 * extend.texi (Volatiles): New node.
5972 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
5974 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
5975 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
5976 (struct ggc_any): Replace `mark' with `magic_mark'.
5977 (ggc_alloc_string): Use memcpy, not bcopy.
5978 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
5979 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
5980 (ggc_free_any): New.
5981 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
5982 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
5983 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
5984 Use IS_MARKED. Use ggc_free_any.
5986 1999-09-09 Scott Bambrough <scottb@netwinder.org>
5988 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
5990 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
5992 * toplev.c (main): Always init_ggc.
5994 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
5996 * except.c (find_all_handler_type_matches): Free the list if
5997 we found no matches.
5999 * combine.c (SUBST): Break out to a real function do_SUBST.
6000 (SUBST_INT): Likewise.
6001 * gcse.c (free_pre_mem): Free `temp_bitmap'.
6002 (pre_insert): Free `inserted'.
6003 * loop.c (basic_induction_var): Always set `location'.
6005 * function.c (expand_function_end): Add initial_trampoline as a root.
6006 * rtl.h (init_varasm_once): Declare.
6007 * toplev.c (compile_file): Call it.
6008 * ggc-simple.c (ggc_mark_string_ptr): New.
6009 (ggc_add_string_root): New.
6010 (ggc_collect): Disable collection avoidance temporarily.
6011 * ggc.h (ggc_add_string_root): Declare.
6012 * except.c (create_rethrow_ref): Use ggc_alloc_string.
6013 * optabs.c (init_libfuncs): Likewise.
6014 * varasm.c (named_section): Use ggc_alloc_string.
6015 (make_function_rtl): Likewise.
6016 (make_decl_rtl): Likewise.
6017 (assemble_static_space): Likewise.
6018 (assemble_trampoline_template): Likewise.
6019 (output_constant_def): Likewise.
6020 (force_const_mem): Likewise.
6021 (mark_const_hash_entry): New.
6022 (mark_pool_sym_hash_table): New.
6023 (mark_varasm_state): Use it.
6024 (init_varasm_once): New.
6026 * expr.h (init_one_libfunc): Declare.
6027 * optabs.c (init_one_libfunc): New.
6028 (init_optabs): Use it.
6029 * config/gofast.h: Likewise.
6030 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
6031 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
6033 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
6035 * Makefile.in (cppexp.o): Depend on cpphash.h.
6036 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
6038 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
6039 * cpplib.c (do_define): Generalise to handle poisoned definitions,
6040 redefining poisoned identifiers, etc.
6041 (do_undef): Don't allow poisoned identifiers to be undefined.
6042 (do_pragma): Add #pragma poison.
6043 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6045 * cccp.c: Add T_POISON node type.
6046 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
6048 (do_define): Generalise to handle poisoned definitions,
6049 redefining poisoned identifiers, etc.
6050 (do_undef): Don't allow poisoned identifiers to be undefined.
6051 (do_pragma): Add #pragma poison.
6052 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6054 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
6055 * c-pragma.h: Add ps_poison state. We now always have generic
6058 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
6060 * ggc.h (ggc_alloc): New function.
6061 (ggc_mark): Likewise.
6062 * ggc-simple.c (ggc_any): New structure.
6063 (ggc_status): Add anys.
6064 (n_anys_collected): New variable.
6065 (ggc_alloc): Define.
6066 (ggc_mark): Likewise.
6067 (ggc_collect): Collect the anys.
6069 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6071 * c-decl.c (mark_binding_level): Make static to match prototype.
6073 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
6075 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
6077 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
6079 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
6080 will use into account. Expand the max width to 5.
6083 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
6085 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
6088 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
6090 * alpha.md (call value patterns): Remove the result predicates.
6092 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
6094 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
6097 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6099 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
6100 changed from extern char *, to extern PTR. Also fix typo in
6101 NEED_DECLARATION_REALLOC test.
6103 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
6105 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6107 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
6108 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
6109 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
6110 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
6112 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
6114 * cccp.c (pcfinclude): Likewise.
6116 * global.c (allocno_compare): Likewise.
6118 * haifa-sched.c (rank_for_schedule): Likewise.
6120 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
6122 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
6124 * stupid.c (stupid_reg_compare): Likewise.
6126 * tree.c (_obstack_allocated_p): Likewise.
6128 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
6130 1999-09-08 Bruce Korb autogen@linuxbox.com
6132 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
6133 why "gperf -F" fails.
6134 * gcc/cp/Makefile.in: ditto
6135 * gcc/Makefile.in: ditto
6136 * gcc/java/Makefile.in: ditto
6138 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
6140 * lists.c: Include ggc.h.
6142 (init_EXPR_INSN_LIST_cache): Install it.
6144 * ggc-simple.c (init_ggc): Absorb the old init.
6145 (ggc_push_context): Use xcalloc.
6146 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
6147 (ggc_collect): Add [rvts] tags to the collection stats.
6149 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
6151 * cccp.c (main): Fix handling of -include and -imacros options.
6153 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
6155 * cpplib.c (cpp_push_buffer): Fix order of arguments.
6157 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
6159 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
6162 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
6164 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
6165 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
6166 and SET_DEST. Update comment.
6168 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6170 * config/c4x/c4x.c: Include ggc.h.
6171 (c4x_add_gc_roots): New function.
6172 (c4x_override_options): Call c4x_add_gc_roots.
6174 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
6176 * defaults.h (TARGET_ESC): Move ...
6177 * system.h: ... here, where Linas had it in the first place. Silly me.
6179 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
6181 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
6182 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
6183 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
6184 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
6185 * defaults.h (TARGET_ESC): Add default.
6187 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
6189 * configure.in: add i370-*-openedition, i370-*-mvs and
6190 i370-*-linux targets
6192 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
6194 * dsp16xxx.c: Include ggc.h
6195 (override_options): Mark GC roots.
6196 * mn10200.c: Include ggc.h.
6197 (asm_file_start): Mark GC roots.
6198 * tahoe.c: Include ggc.h.
6199 (extensible_operand): Mark GC roots.
6201 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
6203 * README: Add section discussing status of ELF ABI.
6204 * i370.c: Fix misc spelling mistakes.
6205 (i370_label_scan): Updated notes, exception handling.
6206 (i370_function_prolog): Simplify ELF stack handling.
6207 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
6208 (STACK_GROWS_DOWNWARD): ELF stack grows down.
6209 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
6210 * i370.md: (movdi): Add notes.
6211 (floatsidf2): Use stack not rtca for scratch float area.
6212 (iorsi3): Correct operand constraints.
6213 * x-oe: Restore TAROUTOPTS which are used by pax.
6215 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
6217 * rs6000.c: Include ggc.h.
6218 (rs6000_add_gc_roots): New function.
6219 (override_options): Call it.
6221 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
6223 * alpha.h (alpha_compare): New.
6224 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
6225 * alpha.c: Likewise for the definitions.
6226 (alpha_emit_conditional_branch): Update for alpha_compare.
6227 (alpha_emit_conditional_move): Likewise.
6228 * alpha.md (cmpdf, cmpdi): Likewise.
6229 (setcc patterns): Likewise. Zero alpha_compare after use.
6230 (sne): Optimize (x != 0) into (0U < x).
6232 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
6234 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
6235 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
6236 (INIT_EXPANDERS): Remove.
6237 * alpha.c: Include ggc.h.
6238 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
6239 (alpha_init_machine_status, alpha_mark_machine_status): New.
6240 (override_options): Install them.
6241 (struct machine_function): Moved to alpha.h.
6242 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
6243 (alpha_init_expanders): Remove.
6244 (alpha_return_addr): Adjust to use current_function->machine.
6245 (alpha_ra_ever_killed): Likewise.
6246 (alpha_expand_epilogue): Likewise.
6247 * alpha.md (eh_epilogue): Likewise.
6249 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
6250 Melissa O'Neill <oneill@cs.sfu.ca>
6251 Geoffrey Keating <geoffk@cygnus.com>
6253 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
6254 call-used registers (call-saved registers must still be contiguous
6255 and end with r31, of course).
6257 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
6259 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
6260 (self_promoting_type_p): Delete.
6261 (self_promoting_args_p): Move ...
6262 * c-common.c: ... here.
6263 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
6264 (simple_type_promotes_to): New.
6265 * builtins.c (lang_type_promotes_to): New.
6266 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
6267 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
6268 * c-common.h: ... here.
6269 (self_promoting_args_p, simple_type_promotes_to): Declare.
6270 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
6271 (grokdeclarator): Likewise.
6272 * tree.h (lang_type_promotes_to): Declare.
6274 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
6276 Add some machine-dependent GC roots.
6277 * sparc.c: Include ggc.h.
6278 (sparc_add_gc_roots): New function.
6279 (mark_ultrasparc_pipeline_state): Likewise.
6280 (override_options): Call sparc_add_gc_roots.
6281 * pa.c: Include ggc.h.
6282 (pa_add_gc_roots): New function.
6283 (mark_deferred_plabels): Likewise.
6284 (override_options): Call pa_add_gc_roots.
6285 * mips.c: Include ggc.h.
6286 (mips_add_gc_roots): New function.
6287 (override_options): Use it.
6289 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6291 * cpperror.c (cpp_file_line_for_message): Constify a char*.
6293 * cppexp.c (parse_number, parse_charconst, cpp_lex,
6294 cpp_parse_expr): Add static prototypes.
6295 (parse_charconst): Don't cast away const-ness.
6296 (token): Constify a char*.
6298 * cppfiles.c (file_name_list, include_hash, find_include_file,
6299 finclude, initialize_input_buffer): Constify a char*.
6300 (file_cleanup, find_position): Add static prototypes.
6302 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
6303 collect_expansion): Add static prototypes.
6304 (cpp_install, create_definition, monthnames): Constify a char*.
6306 * cpphash.h (cpp_install): Likewise.
6308 * cppinit.c (known_suffixes, default_include,
6309 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
6310 (base_name, dump_special_to_buffer, initialize_dependency_output):
6311 Add static prototypes.
6313 * cpplib.c (my_strerror): Constify a char*.
6314 (null_underflow, null_cleanup, skip_comment, copy_comment,
6315 copy_rest_of_line, handle_directive, pass_thru_directive,
6316 get_directive_token, read_line_number, cpp_print_file_and_line,
6317 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
6318 v_cpp_warning_with_line, detect_if_not_defined,
6319 consider_directive_while_skipping): Add static prototypes.
6320 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
6321 cpp_pedwarn_with_file_and_line): Constify a char*.
6323 * cpplib.h (cpp_options, include_hash, progname, definition,
6324 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
6325 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
6326 find_include_file, deps_output, include_hash): Constify a char*.
6328 * cppmain.c (progname): Constify.
6329 (main): Add prototype. Use return, not exit.
6331 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
6332 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
6333 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
6334 check_protection): Add static prototype.
6336 (progname, recognized_macrom, recognized_extern): Constify a char*.
6337 (main): Add prototype.
6339 * gen-protos.c (progname): Constify a char*.
6341 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
6343 * emit-rtl.c (free_emit_status): Take decl as a parameter.
6344 (init_emit_once): Add more GC roots.
6345 * except.c (mark_func_eh_entry): New function.
6346 (mark_eh_node): Mark false_label and rethrow_label.
6347 (init_eh): Add more GC roots.
6348 * function.c (free_after_compilation): Take decl as a paramter.
6349 Call free_stmt_status.
6350 (mark_function_state): Don't assume x_parm_reg_stack_loc is
6352 * function.h (free_after_compilation): Change prototype.
6353 (free_varasm_status): Likewise.
6354 (free_emit_status): Likewise.
6355 (free_stmt_status): New function.
6356 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
6357 Remove, replacing with ...
6358 (ggc_status): New structure.
6359 (ggc_chain): New variable.
6361 (ggc_push_context): New function.
6362 (ggc_pop_context): Likewise.
6363 (ggc_alloc_rtx): Adjust for use of ggc_chain.
6364 (ggc_alloc_rtvec): Likewise.
6365 (ggc_alloc_tree): Likewise.
6366 (ggc_alloc_string): Likewise.
6367 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
6368 (ggc_mark_tree): Give language-dependent code a chance to mark
6370 (ggc_mark_tree_varray): Handle empty arrays.
6371 (ggc_collect): Adjust for use of ggc_chain. Clear
6372 bytes_alloced_since_last_gc.
6373 * ggc.h (ggc_pop_context): New function.
6374 (ggc_push_context): Likewise.
6375 * print-tree.c (print_node): Don't print obstacks when GC'ing.
6376 * stmt.c (free_stmt_status): New function.
6377 (init_stmt_for_function): Clear last_expr_value.
6378 * toplev.c (rest_of_compilation): Always call free_after_compilation.
6379 Conditionalize call to ggc_collect.
6380 (main): Call init_ggc.
6381 * tree.c (push_obstacks): Do the push, even when GC'ing.
6382 (push_obstacks_nochange): Likewise.
6383 (pop_obstacks): Liekwise.
6384 * varasm.c (free_varasm_status): Take decl as a parameter.
6386 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
6388 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
6389 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
6390 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
6391 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
6393 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
6395 * pa/x-pa-mpeix: New file for the MPE port.
6397 * pa/quadlib.asm: New file for long double support.
6399 * configure.in: Add hppa1.0-*-mpeix for MPE port.
6400 * configure: Rebuilt.
6402 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
6404 * final.c (shorten_branches): Fix last change.
6406 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
6408 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
6410 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
6412 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
6415 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6417 * c-aux-info.c (concat): Don't define.
6419 * cccp.c (my_strerror): Likewise. All callers changed to use
6421 (do_include): Call xstrdup, not xmalloc/strcpy.
6422 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
6423 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
6425 * collect2.c (my_strsignal): Likewise. All callers changed to use
6427 (locatelib): Call xstrdup, not xmalloc/strcpy.
6429 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
6431 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
6433 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
6435 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
6437 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
6439 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
6441 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
6443 (find_all_handler_type_matches): Likewise. Don't check return
6445 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
6446 xmalloc, not malloc.
6447 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
6449 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
6450 (init_spec): Call xcalloc, not xmalloc/bzero.
6451 (set_spec): Call xstrdup, not save_string.
6452 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
6453 (find_a_file): Call xstrdup, not xmalloc/strcpy.
6454 (process_command): Call xstrdup, not save_string.
6455 (main): Call xcalloc, not xmalloc/bzero.
6457 * gcov.c (xmalloc): Don't define.
6458 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
6459 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
6460 (output_data): Call xcalloc, not xmalloc/bzero.
6462 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
6464 * mips-tdump.c (xmalloc): Don't define.
6465 (print_symbol): Call xmalloc, not malloc.
6466 (read_tfile): Call xcalloc, not calloc.
6468 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
6469 Don't define. All callers of xfree/my_strsignal changed to use
6470 free/strsignal instead.
6471 (allocate_cluster): Call xcalloc, not calloc.
6473 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
6474 Fix memory leak, free allocated memory.
6476 * prefix.c (translate_name): Call xstrdup, not save_string.
6477 (update_path): Likewise.
6479 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
6481 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
6482 Don't define. Callers of xfree/savestring2 changed to use
6483 free/concat instead.
6485 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
6486 (init_elim_table): Likewise.
6488 * resource.c (init_resource_info): Likewise.
6490 * stupid.c (stupid_life_analysis): Likewise.
6492 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
6493 (open_dump_file): Call concat, not xmalloc/strcpy/...
6494 (clean_dump_file): Likewise.
6495 (compile_file): Call xstrdup, not xmalloc/strcpy.
6497 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
6499 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
6500 * v850.c (v850_va_arg): New.
6502 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6504 * haifa-sched.c: Tidy comments.
6506 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6508 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
6509 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
6510 $(out_object_file)): Depend on ggc.h.
6511 * c-common.c: Include "ggc.h".
6512 (combine_strings): If doing GC, use ggc_alloc_string.
6513 * c-decl.c: Include "ggc.h".
6514 (ggc_p): Define with value 0.
6515 (mark_binding_level): New function.
6516 (init_decl_processing): Add GC roots.
6517 (mark_c_function_context): New function.
6518 (lang_mark_false_label_stack): New function.
6519 (lang_mark_tree): New function.
6520 (lang_cleanup_tree): New function.
6521 * c-lang.c: Include "ggc.h".
6522 (lang_init): Call c_parse_init.
6523 * c-lex.c: Include "ggc.h".
6524 (check_linenum): If doing GC, don't copy filenames to permanent
6526 * c-parse.in: Include "ggc.h".
6527 (c_parse_init): New function.
6528 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
6529 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
6531 * except.c (mark_eh_state): Mark more state.
6532 * function.c (mark_function_state): Likewise.
6533 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
6534 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
6535 * toplev.c (mark_file_stack): New function.
6536 (compile_file): If doing GC, use ggc_alloc_string on input filename.
6537 (main): Add root for input_file_stack.
6539 * i386.c: Include "ggc.h".
6540 (ix86_mark_machine_status): New function.
6541 (override_options): Set mark_machine_status.
6543 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6545 * tree.c (copy_node): Copy node contents also if doing GC.
6547 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
6549 * collect2.c (scan_libraries): Fix double-thinko :-).
6551 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
6553 * collect2.c (scan_libraries): Fix thinko.
6555 * cse.c (delete_trivially_dead_insns): Do not skip the last
6556 insn if it is a real insn.
6558 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
6560 * Makefile.in (ggc-simple.o): Depend on hash.h.
6561 * ggc.h (ggc_add_tree_hash_table_root): Declare.
6562 (ggc_mark_tree_varray): Likewise.
6563 (ggc_mark_tree_hash_table): Likewise.
6564 * ggc-simple.c: Include hash.h.
6565 (ggc_mark_tree_hash_table_ptr): New function.
6566 (ggc_mark_tree_hash_table_entry): Likewise.
6567 (ggc_mark_tree_hash_table): Likewise.
6568 (ggc_add_tree_hash_table_root): Likewise.
6569 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
6570 rtx, when defining fields.
6572 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6574 * profile.c (output_func_start_profiler): Remove apparently
6575 nonsensical call to start_sequence.
6577 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
6579 * clipper/clipper.c (clipper_va_start): Fix typos.
6581 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
6582 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
6583 (spur_va_arg): New stub.
6585 * configure.in: Comment out pyramid.
6587 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
6589 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
6590 don't conflict with the bits that win32, cygwin, and dgux
6593 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
6594 Bernd Schmidt <bernds@cygnus.co.uk>
6596 * integrate.c (function_cannot_inline_p): Do not inline
6597 functions with forced labels.
6599 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
6600 Bernd Schmidt <bernds@cygnus.co.uk>
6601 Mark Mitchell <mark@codesourcery.com>
6603 * Makefile.in (ggc-simple.o): Depend on varray.h.
6604 (rtl.o): Depend on ggc.h.
6605 (genattrtab.o): Depend on ggc.h.
6606 (print-tree.o): Likewise.
6607 (fold-const.o): Likewise.
6608 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
6609 (make_insn_raw): Don't cache insns when GC'ing.
6610 (emit_insn_before): Likewise.
6611 (emit_insn_after): Likewise.
6612 (emit_insn): Likewise.
6613 (start_sequence): Use xmalloc to allocate the sequence_stack.
6614 (end_sequence): Add free to free it.
6615 (gen_sequence): Don't cache insns when GC'ing.
6616 (clear_emit_caches): Don't use sequence_element_free_list.
6617 (init_emit): Use xcalloc, not xmalloc+bzero.
6618 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
6619 * function.c (pop_function_context_from): Use free to free the
6620 fixup_var_refs_queue.
6621 (put_reg_into_stack): Allocate it with xmalloc.
6622 * genattrtab.c: Include ggc.h.
6623 (operate_exp): Don't use obstack_free when GC'ing.
6624 (simplify_cond): Likewise.
6625 (simplify_text_exp): Likewise.
6626 (optimize_attrs): Likewise.
6627 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
6629 (gencode): Generate a #include for ggc.h.
6630 * ggc-callbacks.c (ggc_p): Define it to zero.
6631 * ggc-none.c (ggc_p): Likewise.
6632 * ggc-simple.c: Include varray.h.
6633 (ggc_mark_tree_varray): New function.
6634 (ggc_add_tree_varray_root): Likewise.
6635 (ggc_mark_tree_varray_ptr): Likewise.
6636 * ggc.h (ggc_p): Declare.
6637 (varray_head_tag): Likewise.
6638 (ggc_add_tree_varray_root): Declare.
6639 * print-tree.c (print_node): Don't check for TREE_PERMANENT
6640 inconsistencies when GC'ing.
6641 * rtl.c: Include ggc.h.
6642 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
6643 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
6644 (rtx_free): Don't call obstack_free when GC'ing.
6645 * toplev.c (rest_of_compilation): Call ggc_collect after every
6647 * tree.c (push_obstacks): Do nothing, if GC'ing.
6648 (pop_obstacks_nochange): Likewise.
6649 (pop_obstacks): Likewise.
6650 (make_node): Use ggc_alloc_tree when GC'ing.
6651 (copy_node): Likewise.
6652 (get_identifier): Use ggc_alloc_string when GC'ing.
6653 (build_string): Likewise.
6654 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
6655 (tree_cons): Likewise.
6657 (type_hash_canon): Don't call obstack_free when GC'ing.
6659 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
6661 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
6662 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
6664 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
6665 Bernd Schmidt <bernds@cygnus.co.uk>
6666 Mark Mitchell <mark@codesourcery.com>
6668 * Makefile.in (stor-layout.o): Depend on ggc.h.
6669 (expr.o): Depend on ggc.h.
6670 (profile.o): Depend on ggc.h.
6671 (stor-layout.o): Depend on ggc.h.
6672 * emit-rtl.c (init_emit_once): Add gc roots.
6673 * expr.c: Include ggc.h.
6674 (emit_block_move): Add gc roots.
6675 (clear_storage): Likewise.
6676 * expr.h (init_stor_layout_once): New function.
6677 * profile.c: Include ggc.h.
6678 (init_arc_profiler): profiler_label is a root.
6679 * scan.c (make_sstring_space): Trust xrealloc to function
6680 correctly with first parameter NULL.
6681 * stor-layout.c: Include ggc.h.
6682 (set_sizetype): Add gc root.
6683 (init_stor_layout_once): New function.
6684 * toplev.c (compile_file): Call it.
6686 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
6687 Bernd Schmidt <bernds@cygnus.co.uk>
6688 Mark Mitchell <mark@codesourcery.com>
6690 * Makefile.in (tree.o): Depend on ggc.h.
6691 (varasm.o): Likewise.
6692 (function.o): Likewise.
6694 (except.o): Likewise.
6695 (optabs.o): Likewise.
6696 (emit-rtl.o): Likewise.
6697 * emit-rtl.c: Include ggc.h.
6698 (sequence_element_free_list): Remove, and all references.
6699 (mark_sequence): New functions.
6700 (mark_emit_state): New function.
6701 * except.c: Include ggc.h.
6702 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
6703 (mark_tree_label_node): New functions.
6704 (mark_eh_state): New function.
6705 * function.c: Include ggc.h.
6706 (mark_temp_slot, mark_function_chain): New functions.
6707 (mark_function_state): New function.
6708 (init_function_once): New function.
6709 * function.h (init_function_once): New function.
6710 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
6711 * ggc.h (label_node): Declare.
6712 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
6713 (lang_mark_false_label_stack): New function.
6714 (mark_temp_slot): Remove declaration.
6715 (mark_function_chain): Likewise.
6716 (mark_eh_state): Adjust prototype.
6717 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
6719 * optabs.c: Include ggc.h.
6720 (mark_optab): New function.
6721 (init_optabs): Add gc roots.
6722 * stmt.c: Include ggc.h.
6723 (mark_cond_nesting, mark_loop_nesting): New functions.
6724 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
6725 (mark_stmt_state): New function.
6726 * toplev.c (compile_file): Call init_function_once.
6727 * tree.c: Include ggc.h.
6728 (type_hash): Move declaration earlier in file.
6729 (TYPE_HASH_SIZE, type_hash_table): Likewise.
6730 (init_obstacks): Add gc roots.
6731 (mark_type_hash): New function.
6732 * varasm.c: Include ggc.h.
6733 (mark_pool_constant): New function.
6734 (mark_varasm_state): New function.
6736 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6738 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
6740 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6742 * c-decl.c (struct language_function): Renamed from struct c_function.
6744 (c_function_chain): Delete.
6745 (push_c_function_context): New arg F. Don't warn about nested
6746 functions here. Fill LANGUAGE elt of F. Delete code to update
6747 c_function_chain. Don't call push_function_context.
6748 (pop_c_function_context): New arg F. Restore from there instead of
6749 from c_function_chain. Don't call pop_function_context. Clear out
6750 LANGUAGE field of F when done.
6751 * c-lang.c: Include "function.h"
6752 (lang_init): Initialize save_lang_status and restore_lang_status.
6753 * c-parse.in (nested_function, nested_function_notype): Warn about
6754 nested functions. Call push_function_context/pop_function_context
6755 instead of the _c_ variants.
6756 * c-tree.h (push_c_function_context, pop_c_function_context): Update
6758 * Makefile.in (c-lang.o): Update dependencies.
6760 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
6761 regno_pointer_flag, regno_pointer_align.
6762 (gen_reg_rtx): Use xrealloc to enlarge them.
6763 (free_emit_status): New function.
6764 * function.c (mark_machine_status, mark_lang_status): New variables.
6765 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
6766 in some bits from assign_stack_local. All callers changed to use new
6768 (assign_stack_local): Just call assign_stack_local_1.
6769 (free_after_compilation): New function.
6770 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
6771 (trampoline_address): Likewise.
6772 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
6773 (prepare_function_start): Explicitly clear some more variables.
6774 * function.h (struct function): New elt can_garbage_collect.
6775 (mark_machine_status, mark_lang_status): Declare variables.
6776 (free_after_compilation, free_emit_status, free_varasm_status,
6777 init_varasm_status): Declare functions.
6778 * toplev.c (rest_of_compilation): Call free_after_compilation when
6779 done with the current function.
6780 * varasm.c (free_varasm_status): New function.
6782 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
6784 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
6785 (EXPAND_BUILTIN_VA_ARG): Define.
6786 * sparc.c (sparc_va_start): New.
6787 (sparc_va_arg): New.
6789 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6791 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
6793 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6795 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
6797 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
6799 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
6801 (ggc-callbacks.o): New target.
6802 * ggc-callbacks.c: New file.
6804 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6806 * expr.h: Collapse individual optab and libfunc vars to arrays.
6807 (optab_index, libfunc_index): New enumerations.
6808 (optab_table, libfunc_table): New arrays.
6809 Add accessor macros for both.
6811 * optabs.c (optab_table, libfunc_table): New.
6812 Delete declarations for individual optab and libfunc vars.
6814 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
6816 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
6818 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
6820 * Makefile.in (GGC, GGC_LIB): New.
6821 (HOST_RTL): Include ggc-none.o.
6822 (ggc-simple.o): New target.
6823 (ggc-none.o): Likewise.
6824 * tree.h (tree_common): Add gc_mark.
6825 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
6826 (struct rtvec_def): Add gc_mark.
6827 * emit-rtl.c (global_rtl): Update static initializers to contain
6828 enough initializers.
6829 * ggc.h, ggc-none.c, ggc-simple.c: New files.
6830 * toplev.c (gc_time): New variable.
6831 (all_time): New variable.
6832 (compile_file): Print gc time.
6833 (print_time): Calculate percentage of the whole.
6835 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6837 Change obstack memory management and varasm constant pool handling so
6838 that nested functions are treated like any other functions.
6839 * function.c (init_machine_status): New variable.
6840 (push_function_context_to): Set contains_functions for the outer
6841 function. Don't call save_varasm_status.
6842 (pop_function_context_from): Don't call restore_varasm_status. Don't
6843 set current_function_contains_functions.
6844 (prepare_function_start): Call init_varasm_status rather than
6845 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
6847 * function.h (struct function) Add field varasm. Delete fields
6848 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
6849 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
6850 (init_machine_status): Declare.
6851 (save_varasm_status, restore_varasm_status): Delete declarations.
6852 (save_tree_status, restore_tree_status): Delete last argument.
6853 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
6854 code. All callers changed.
6855 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
6856 save_constants_in_decl_trees, restore_constants, save_constants,
6857 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
6859 (inlining): New variable.
6860 (reg_map, label_map, insn_map, orig_asm_operands_vector,
6861 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
6863 (save_for_inline_nocopy): Don't save constants.
6864 Don't set inl_emit field in current_function.
6865 (expand_inline_function): Use emit field, not inl_emit, of the inlined
6866 function. Set new variable inlining before
6867 calling copy_rtx_and_substitute.
6868 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
6869 constant pool references if inlining is nonzero.
6870 Delete ADDRESS and (most of the) CONST cases.
6871 (output_inline_function): Save and restore current_function/
6872 current_function_decl. Delete restore_constants code. Don't call
6873 init_const_rtx_hash_table.
6874 * output.h (init_const_rtx_hash_table): Don't declare.
6875 * rtl.h (struct function): Declare.
6876 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
6877 * toplev.c (rest_of_compilation): Don't treat nested functions or
6878 functions containing them specially. Delete all code to deal with
6879 save_for_inline_copying.
6880 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
6881 inline_obstacks): Delete variables.
6882 (save_tree_status): Lose arg CONTEXT. All callers changed.
6883 Simply allocate a new function_maybepermanent_obstack for the new
6884 function, delete all the special cases.
6885 Don't save inline_obstacks.
6886 (restore_tree_status): Lose arg CONTEXT. All callers changed.
6887 Delete special handling for function_maybepermanent_obstack; simply
6889 Don't restore inline_obstacks.
6890 (permanent_allocation): Delete code that frees inline_obstacks.
6891 (print_inline_obstack_statistics): Delete function.
6892 (dump_tree_statistics): Don't call it.
6893 * varasm.c (struct varasm_status): New.
6894 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
6895 last_pool, pool_offset, const_double_chain): Delete global
6896 variables, replace with accessor macros.
6897 (immed_double_const): Don't walk const_double_chain outside a
6898 function, but don't treat nested functions specially anymore.
6899 (immed_real_const_1): Likewise.
6900 (clear_const_double_mem): Don't treat nested functions specially.
6901 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
6902 (save_varasm_status, restore_varasm_status): Delete functions.
6903 (init_varasm_status): New function.
6904 (force_const_mem): Don't treat nested functions specially.
6905 (find_pool_constant): Accept new arg F, search for constants in
6906 that function's pool rather than the current one. All callers
6908 (get_pool_constant_for_function, get_pool_mode_for_function): New
6911 * i386.c (init_386_machine_status): New function, mostly from
6912 clear_386_stack_locals.
6913 (struct machine_functions): Rename element names to avoid name
6915 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
6916 macros, replacing global variables.
6917 (clear_386_stack_locals, save_386_machine_status,
6918 restore_386_machine_status): Delete functions.
6919 (override_options): Initialize init_machine_status.
6920 * i386.h (INIT_EXPANDERS): Delete macro.
6921 (save_386_machine_status, restore_386_machine_status,
6922 clear_386_stack_locals): Delete declarations.
6924 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6926 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
6927 (doloop_begin): Simplify pattern and use emit_jump_insn.
6928 (doloop_end): Simplify pattern, switch operand order,
6929 and use emit_jump_insn.
6931 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6933 * function.h (struct function): Add new element LANGUAGE.
6934 (save_lang_status): Declare new variable.
6935 (restore_lang_status): Likewise.
6936 * function.c (save_lang_status): Define.
6937 (restore_lang_status): Likewise.
6938 (push_function_context_to): Call language-specific save function.
6939 (pop_function_context_from): Call language-specific restore function.
6941 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
6943 * i386.md (movsf_1): Check REG_P before use of REGNO.
6944 (movdf_1): Likewise.
6945 (movxf_1): Likewise.
6946 (extendsfdf2): Likewise.
6947 (extendsfxf2): Likewise.
6948 (extenddfxf2): Likewise.
6950 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6952 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
6953 constants into memory.
6954 (c4x_shiftable_constant): New function.
6955 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
6956 (c4x_shiftable_constant): Declare.
6957 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
6958 ashlqi3_noclobber): Add new patterns and associated splitters.
6960 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
6962 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
6963 * dwarf2out.c (dwarf2out_frame_init): Likewise.
6964 * final.c (shorten_branches): Likewise.
6965 * global.c (global_alloc): Likewise.
6966 * haifa-sched.c (build_control_flow): Likewise.
6967 * stmt.c (check_for_full_enumeration_handling): Likewise.
6968 (estimate_case_costs): Likewise.
6970 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
6972 * rtl.h (RTL_CHECKC2): Fix typo in last change.
6974 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
6976 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
6977 (recompute_reg_usage): Likewise.
6978 * rtlanal.c (find_regno_fusage): Likewise.
6980 * rtl.c (rtl_check_failed_code1): New function.
6981 (rtl_check_failed_code2): New.
6982 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
6983 (RTL_CHECKC1, RTL_CHECKC2): New.
6984 (XC*): New accessor macros.
6985 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
6986 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
6987 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
6988 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
6989 (TRAP_*, RANGE_INFO_*): Likewise.
6991 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6993 * Makefile.in (tlink.o): Don't depend on toplev.h.
6995 * collect2.c (c_file, o_file, export_file, import_file, ldout,
6996 output_file, nm_file_name, ldd_file_name, strip_file_name,
6997 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
6998 add_prefix, prefix_from_env, prefix_from_string, do_wait,
6999 fork_execute, maybe_unlink, add_to_list,
7000 extract_init_priority, write_list, dump_list,
7001 dump_prefix_list, write_list_with_asm, write_c_file,
7002 write_c_file_stat, write_c_file_glob, scan_prog_file,
7003 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
7004 ignore_library, extract_string, notice, dump_file, target_machine,
7005 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
7006 read_file, print_load_command): Constify a char*.
7007 (fdopen, error, fatal, fatal_perror): Don't prototype.
7008 (my_strerror): Remove. All callers use xstrerror instead.
7009 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
7010 (main): Add prototype. Constify lots of char* ptrs. Change calls
7011 to xcalloc/strcpy/strcat/... to one call to concat.
7012 (main, scan_prog_file, scan_libraries): Use an intermediate
7013 `const char **' to build an argv array.
7014 (mapfile, libselect, libcompare, locatelib): Add prototypes.
7016 * collect2.h (collect_execute, collect_wait, dump_file,
7017 file_exists): Constify a char*.
7018 (ldout, c_file_name, temporary_obstack, permanent_obstack,
7019 temporary_firstobj, vflag, debug): Add extern declarations.
7020 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
7022 * tlink.c: Don't include toplev.h.
7023 (vflag, debug, ldout, c_file_name, temporary_obstack,
7024 permanent_obstack, temporary_firstobj): Don't declare.
7025 (tlink_execute, frob_extension, symbol_hash_lookup,
7026 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
7027 recompile_files, read_repo_files, demangle_new_symbols,
7028 scan_linker_output): Constify a char*.
7029 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
7030 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
7032 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
7034 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
7035 (relative) rather than jsr (absolute) subroutine call insns.
7036 * config/m68k/m68k-coff.h: Ditto.
7038 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
7040 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
7041 now rework these too.
7042 (arm_reorg): If an insn can't reach the end of the current pool,
7043 ensure that we emit that pool before the insn.
7045 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
7047 * tlink.c (scan_linker_output): Skip the initial underscore in
7048 a mangled name if appropriate.
7050 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7052 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
7053 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
7054 error_with_ivar, gen_declarator, create_builtin_decl,
7055 my_build_string, generate_descriptor_table, generate_ivars_list,
7056 generate_dispatch_table, check_protocols, TAG_GETCLASS,
7057 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
7058 dump_base_name, lang_decode_option, build_encode_expr,
7059 start_class, finish_class, encode_pointer, really_start_method,
7060 gen_declaration, dump_interface, handle_class_ref, handle_impent):
7062 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
7063 Add static prototypes.
7064 (build_objc_string_decl, build_selector_reference_decl,
7065 encode_bitfield, build_class_reference_decl): Remove unused
7066 parameter, all callers changed.
7067 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
7068 (objc_printable_name): Likewise. Change second parameter to type int.
7069 (init_objc): Use memcpy, not bcopy, to avoid casts.
7071 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
7073 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
7074 reg notes on a deleted insn.
7075 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
7077 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
7079 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
7081 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7083 * stmt.c (expand_asm_operands): Fix index into inout_mode when
7086 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
7088 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
7089 * tm.texi (MD_ASM_CLOBBERS): Document it.
7091 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
7093 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
7094 * except.c (expand_rethrow): Remove unused variable.
7095 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
7096 * flow.c (replace_insns): Likewise.
7097 (create_edge_list, verify_edge_list): Likewise.
7098 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
7100 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
7101 is special code to run.
7102 (main): Don't define operands to emit_operand.
7103 * genrecog.c (main): Don't emit an empty peephole2_insn function.
7105 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
7107 * alpha/alpha.h (normal_memory_operand): Declare.
7108 (reg_no_subreg_operand): Declare.
7109 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
7111 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
7113 * c-parse.in (compstmt_primary_start): New, broken out of first
7114 part of compstmt handling in primary.
7115 (primary): Use it. Add an error clause.
7116 (compstmt_nostart): Renamed from compstmt; remove all
7117 initial invocations of compstmt_start.
7120 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
7122 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
7125 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
7127 * combine.c (simplify_shift_const): Remove extra semicolon.
7128 * dwarf2out.c (remove_AT): Likewise.
7129 * expmed.c (expand_mult): Likewise.
7130 * gcov.c (create_program_flow_graph): Likewise.
7131 * reorg.c (mostly_true_jump): Likewise.
7133 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
7135 * fold-const.c (fold_range_test): Do not try to fold the range
7136 test if the rhs or lhs has side effects.
7138 * combine.c (simplify_rtx): Recognize another case of a synthesized
7141 * varasm.c (mark_constant_pool): When marking indirect references,
7142 only look at SYMBOL_REFs.
7144 * except.c (expand_fixup_region_end): Do not peek at
7145 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
7147 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
7149 * flags.h: New variables align_loops, align_loops_log,
7150 align_jumps, align_jumps_log, align_labels, align_labels_log,
7151 align_functions, align_functions_log.
7152 * toplev.c: Define them.
7153 (f_options): Handle -falign-* when they have no argument.
7154 (main): Add logic to set variables for -falign-functions,
7155 -falign-jumps, -falign-labels, -falign-loops.
7156 Make it -fsched-verbose=<n> and -finline-limit=<n>.
7157 (display_help): Change help to match options.
7158 * final.c (LABEL_ALIGN): Default to align_labels_log.
7159 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
7160 (LOOP_ALIGN): Default to align_loops_log.
7161 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
7162 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
7163 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
7164 * varasm.c (assemble_start_function): Handle align_functions.
7166 * config/sparc/sparc.h: Don't declare sparc_align_*.
7167 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
7168 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
7170 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
7172 * config/sparc/sparc.c: Delete sparc_align_loops,
7173 sparc_align_jumps, sparc_align_funcs and the corresponding string
7175 (sparc_override_options): Default align_functions on ultrasparc.
7176 Delete -malign-* handling.
7178 * config/mips/mips.c (override_options): On 64-bit targets,
7179 try to align code to 64-bit boundaries.
7180 (print_operand): New substitution, %~,
7181 which aligns labels to align_labels_log.
7182 * config/mips/mips.md (div_trap_normal): Use %~.
7183 (div_trap_mips16): Likewise.
7188 (ashldi3_internal): Likewise.
7189 (ashrdi3_internal): Likewise.
7190 (lshrdi3_internal): Likewise.
7191 (casesi_internal): Likewise.
7193 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
7195 Merge new ia32 backend from the branch!
7197 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
7198 See ChangeLog.P2 on new_ia32_branch for details.
7200 * rtl.h (stack_regs_mentioned_p): Delete prototype.
7201 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
7202 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
7203 * i386/gas.h (ASM_FILE_START): Define.
7204 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
7205 for name change of ix86_valid_decl_attribute_p.
7206 (i386_pe_valid_type_attribute_p): Similarly.
7208 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
7210 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
7211 to step through CC modes.
7213 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7215 * regmove.c (fixup_match_1): Don't move INSN in front of P if
7216 it would end up in the shadow of a live flags regsiter.
7218 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7220 * reload1.c: Fix many indentation problems.
7221 * reload.c: Likewise.
7223 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
7225 * alias.c (non_local_reference_p): Constify fmt.
7227 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
7229 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
7231 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
7233 * cse.c (delete_trivially_dead_insns): Do not delete stores to
7234 the internal_arg_pointer.
7236 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
7238 Merge peephole2 from new_ia32_branch:
7239 * Makefile.in (STAGESTUFF): Add *.peephole2.
7240 (mostlyclean): Likewise.
7241 (recog.o): Depend on resource.h.
7243 * final.c (peephole): Conditionalize decl on HAVE_peephole.
7244 (final_scan_insn): Likewise for the invocation of peephole.
7245 * genconfig.c (main): Look for peephole and peephole2 patterns.
7246 Emit HAVE_peephole* accordingly.
7247 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
7248 * flags.h (flag_peephole2): Declare.
7249 * toplev.c: New pass peephole2. New flag -fpeephole2.
7251 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
7252 * gencodes.c (main): Likewise.
7253 * genextract.c (main): Likewise.
7254 * genoutput.c (main): Likewise.
7255 * genemit.c (max_operand_1): Look for the max scratch operand.
7256 (gen_rtx_scratch): New.
7257 (gen_exp): Use it, and pass on new arg subroutine_type.
7258 (gen_expand): Take max scratch into account.
7259 (gen_split): Emit peephole2 functions.
7260 (output_peephole2_scratch): New.
7261 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
7262 * genrecog.c (routine_type): Add PEEPHOLE2.
7264 (make_insn_sequence): Match outer parallel for peep2. Discard
7265 top level scratches and dups.
7266 (add_to_sequence): New args insn_type and top. Update all callers.
7267 Handle toplevel peep2 matching insns.
7268 (write_subroutine): Handle peep2.
7269 (write_tree_1): Likewise.
7270 (write_tree): Likewise.
7272 (change_state): New arg afterward. Update all callers.
7273 Handle matching separate insns.
7274 * recog.c (recog_next_insn): New.
7275 (peephole2_optimize): New.
7276 * rtl.def (DEFINE_PEEPHOLE2): New.
7277 * resource.c (find_free_register): New argument last_insn. Use it
7278 to find a register available through the entire span.
7279 * resource.h (find_free_register): Update prototype.
7281 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
7283 * i386.c (output_strlen_unroll): Don't write xops[7]
7284 label if it wasn't set.
7286 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
7288 * cpplib.c (struct directive): Const-ify name pointer and
7289 function pointer prototype.
7290 (validate_else, do_define, do_line, do_include, do_undef,
7291 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
7292 do_elif, do_endif, do_sccs, do_assert, do_unassert,
7293 do_warning): Const-ify second arg.
7294 (directive_table): Mark const. Reorder entries by frequency
7295 of usage, record statistics.
7297 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
7299 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
7300 bounds- check RTL accesses if --enable-checking.
7301 (RTVEC_ELT): Bounds check if --enable-checking.
7302 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
7303 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
7304 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
7306 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
7307 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
7309 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
7310 (NOTE_SOURCE_FILE): Use X0STR.
7311 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
7312 MEM_ALIAS_SET): Use X0INT.
7313 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
7314 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
7316 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
7317 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
7318 (rtl_check_failed_bounds, rtl_check_failed_type1,
7319 rtl_check_failed_type2, rtvec_check_failed_bounds): New
7321 (fancy_abort): Fix comment.
7323 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
7324 (cse_insn): Decrement LABEL_NUSES for jump target before
7326 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
7327 * final.c (alter_subreg): Compute regno before changing x to
7328 REG; set REGNO(x) after changing it.
7329 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
7330 notes containing CONST_INTs.
7331 (delete_eh_regions): Use NOTE_EH_HANDLER.
7332 * function.c (put_reg_into_stack): Make reg a MEM before
7334 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
7336 (gen_mem_addressof): Make reg a MEM before initializing it.
7337 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
7339 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
7340 deleting an insn, not after.
7341 (block_alloc): Only look at PATTERN(insn) if we have to, and
7342 only if it's format class 'i'.
7343 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
7344 CONST_INT before using its INTVAL.
7345 * print-rtl.c (print_rtx): Use X0STR.
7346 * regmove.c (fixup_match_1): Don't look at PATTERN of
7347 non-class-'i' insn chain elements.
7348 * reload.c (loc_mentioned_in_p): Take address of
7349 in->fld[1].rtx directly.
7350 * reload1.c (reload): Change reg to a MEM before initializing
7352 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
7354 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
7356 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
7358 * config/mips/mips.c (machine_dependent_reorg): Force a
7359 barrier to output the local constant pool if a barrier hasn't
7360 been found at a natural point in the instruction stream.
7362 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7364 * c-parse.in (language_string): Constify.
7366 * dwarf2out.c (language_string): Remove declaration.
7368 * dwarfout.c (language_string): Likewise.
7370 * toplev.c (language_string, init_parse, finish_parse): Likewise.
7372 * tree.h (language_string, init_parse, finish_parse): Declare.
7374 * i386/sun386.h (language_string): Remove declaration.
7376 * mips.h (language_string): Likewise.
7378 * nextstep.h (language_string): Likewise.
7380 * nextstep21.h (language_string): Likewise.
7382 * rs6000.c (language_string): Likewise.
7384 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7386 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
7387 (getpwd.o): Remove target.
7389 * getpwd.c: Delete file. Its in libiberty now.
7391 * dbxout.c (getpwd): Don't prototype.
7392 * dwarf2out.c (getpwd): Likewise
7393 * dwarfout.c (getpwd): Likewise
7394 * final.c (getpwd): Likewise.
7395 * protoize.c (getpwd): Likewise.
7397 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7399 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
7401 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
7403 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
7406 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
7408 * fixinc/Makefile.in (subdir): New.
7409 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
7412 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
7414 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
7415 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
7418 * invoke.texi: Fix typo.
7420 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
7421 changed. Handle autoincrement addressing modes.
7423 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
7424 just like we would the virtual incoming args register when
7427 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
7429 * rs6000.h (ASM_FILE_START): Specify complete filename, including
7430 path, in .file directive.
7432 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
7434 * gcc.texi (External Bugs): Remove obsolete note about Perl on
7437 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
7439 * stdbool.h: Make the typedef name _Bool, with bool a #defined
7442 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7444 * tree.c (tree_code_name): Constify a char*.
7446 * tree.h (tree_code_name, decl_printable_name): Likewise.
7448 * function.h (struct function): Likewise.
7450 * toplev.c (decl_name, decl_printable_name): Likewise.
7452 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
7454 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
7455 (init_objc): Remove function pointer cast.
7457 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
7459 * pa.md (interspace_jump): New pattern.
7460 (builtin_longjmp): New expander.
7462 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
7464 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
7465 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
7466 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
7468 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
7470 * jump.c (delete_prior_computation): Also check calls
7471 to constant functions. Don't bother checking for a
7472 REG_UNUSED note before adding it.
7473 (delete_computation): Handle multi-word hard registers
7474 when synthesizing missing REG_DEAD notes for a register
7475 which is both set and used by an insn.
7477 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7479 * loop.c (this_loop_info): New variable.
7480 (loop_has_call, loop_has_volatile, loop_has_tablejump,
7481 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
7483 (prescan_loop, strength_reduce): New argument loop_info. All callers
7485 (scan_loop): New variable loop_info, initialise to address of
7487 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
7488 Delete variable loop_has_multiple_exit targets and replace with
7489 field in this_loop_info.
7490 (find_and_verify_loops): Rename this_loop to this_loop_num.
7491 (strength_reduce): Delete loop_iteration_info. Replace variable
7492 loop_info with function argument of same name.
7493 (insert_bct): Rework test for loop being completely unrolled.
7495 * loop.h (struct loop_info): New fields num, loops_enclosed,
7496 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
7497 has_indirect_jump, and cont. Redefine use of unroll_number.
7498 (loop_unroll_number): Delete.
7500 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
7502 (loop_iterations): Delete variable vtop and instead use
7503 loop_info->vtop computed in prescan_loop.
7505 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
7507 * fix-header.c (main): Do not pass a null pointer to strcmp.
7509 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
7511 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
7513 * configure: Rebuilt.
7515 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
7517 * jump.c (jump_optimize_1): Do not delete assignments to
7518 internal_arg_pointer.
7519 * cse.c (delete_trivially_dead_insns): Always consider a set of
7520 the internal_arg_pointer live.
7522 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
7524 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
7525 (update_life_info) [REG_WAS_0]: Search the original insns rather
7526 than the new insns for the note. Fix typos finding note_dest.
7527 If no dest found, discard the note rather than abort.
7528 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
7529 (replace_insns): Remove the old insn list after update_life_info
7532 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
7534 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
7536 (sched_analyze_1): Let add_dependence care for not adding dups.
7537 (sched_analyze_2): Likewise.
7538 (add_branch_dependences): Likewise.
7540 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
7542 * i386/winnt.c (export_list): New type.
7543 (exports_head): Rename to
7544 (export_head): this.
7545 (i386_pe_record_exported_symbol): Add is_data flag.
7546 (i386_pe_asm_file_end): Emit directive for exported variables.
7547 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
7549 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
7550 (ASM_DECLARE_OBJECT_NAME): Likewise.
7551 (ASM_DECLARE_FUNCTION_NAME): Likewise.
7552 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
7554 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
7556 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
7558 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
7561 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
7563 * config/openbsd.h: Define SET_ASM_OP.
7564 * tm.texi: cross-reference SET_ASM_OP in the index.
7566 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
7568 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
7569 for a CONST_DOUBLE, at compile time. Initialize rtx_length
7570 and class_narrowest_mode at compile time. Kill init_rtl.
7571 Mark rtx_length, mode_class, mode_size, mode_unit_size,
7572 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
7573 rtx_format as const. Kill all references to EXTRA_CC_MODES or
7575 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
7577 * rtl.h: Declare rtx_length and rtx_format as const.
7578 * machmode.def: Define CC(). Use CC() to define CCmode. If
7579 EXTRA_CC_MODES is defined, expand it here.
7580 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
7581 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
7582 const. Kill all references to EXTRA_CC_MODES.
7584 * toplev.c: Don't prototype or call init_rtl.
7585 * optabs.c: Don't call init_mov_optab.
7586 * genemit.c: Don't generate init_mov_optab. Don't call
7588 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
7590 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
7591 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
7592 genrecog.c: Don't call init_rtl.
7594 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
7595 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
7596 definition of EXTRA_CC_MODES.
7598 * md.texi: Kill ref to EXTRA_CC_NAMES.
7599 * tm.texi: Document new way to define EXTRA_CC_MODES.
7601 * genrecog.c: Do not look up the name of a define_split.
7604 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
7606 * config/v850/v850.md: Fix typo introduced by previous delta.
7608 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7610 * gcc.c (fatal): Make definition static to match prototype.
7612 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7614 * combine.c (get_last_value): Don't look for earlier sets if the last
7615 known set is somewhere in between the insns being combined.
7617 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
7619 * configure.in: Don't use shell ! to negate exit codes
7620 * configure: Regenerate
7622 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
7624 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
7625 the fact that ALIGN is measured in bits, not bytes.
7627 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
7629 * errors.c: New file; defines functions error, warning, and
7630 fatal, variables have_error and progname.
7631 * errors.h: New file; prototypes and decls for stuff in errors.c.
7633 * Makefile: Add rules to build errors.o and
7634 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
7635 genopinit, genrecog, genextract, genpeep, genattr, and
7636 genoutput with errors.o. Add errors.h to deps of genconfig.o,
7637 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
7638 genpeep.o, genattr.o, and genoutput.o.
7640 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
7641 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
7642 define or prototype fatal. Set progname at beginning of main.
7643 * genoutput.c: Likewise, and don't define or prototype error
7646 * c-typeck.c (c_expand_start_case): Return immediately if exp
7648 * fold-const.c (operand_equal_p): Return immediately if arg1
7649 or arg0 are ERROR_MARKs.
7650 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
7651 fields of type ERROR_MARK when calculating if the record can
7654 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
7655 with much help from Jeffrey A Law and Richard Henderson
7657 * i386.md: In the 6 insns which call output_fix_trunc,
7658 earlyclobber operands[0].
7660 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
7662 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
7663 creating new registers.
7665 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
7667 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
7668 i386_reg_alloc_order, i386_regparm_string,
7669 i386_align_loops_string, i386_align_jumps_string,
7670 i386_align_funcs_string, i386_preferred_stack_boundary_string,
7671 and i386_branch_cost_string as type "const char *".
7672 * i386.c: Define all above strings as type "const char *".
7674 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
7676 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
7677 when emitting alignment padding. Emit padding byte of 0 instead of 4.
7679 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
7681 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
7682 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
7684 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
7686 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
7687 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
7688 (dwarf2out_line, dwarf2out_finish): Likewise.
7689 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
7691 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
7693 * tree.c (lang_unsave_expr_now) : Correct return type.
7694 * tree.h (lang_unsave_expr_now) : Same.
7696 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
7698 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
7699 instead of duplicating code.
7701 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7703 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
7705 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
7707 * tree.h: fancy_abort always takes three args.
7708 * resource.c: Move include of system.h before toplev.h.
7710 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
7712 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
7715 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
7717 * system.h: Don't redefine abort or trim_filename.
7718 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
7719 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
7720 whether or not __FUNCTION__ is available.
7721 * tree.h: Duplicate rtl.h's definition of abort, for files
7722 that don't include rtl.h. Delete all code to perform type
7723 checking with a compiler other than GCC.
7724 * varray.h: Delete all code to perform type checking with a
7725 compiler other than GCC. Make VARRAY_CHECK() always evaluate
7726 its arguments exactly once, using a statement expression.
7727 Adjust the VARRAY_<type> accessor macros to match.
7728 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
7729 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
7730 caller's location. Define fatal_insn and fatal_insn_not_found
7731 as macros that use _fatal_insn and _fatal_insn_not_found.
7732 (fancy_abort, trim_filename): Kill prototypes.
7734 * rtl.c (trim_filename): Move here from toplev.c.
7735 (fancy_abort): New function.
7736 (DIR_SEPARATOR): Provide default definition.
7737 * tree.c (tree_check_failed, tree_class_check_failed): Go
7738 through fancy_abort.
7739 (tree_check, tree_class_check, cst_or_constructor_check,
7740 expr_check): Delete.
7741 * varray.c (varray_check_failed): New function.
7742 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
7743 _fatal_insn and _fatal_insn_not_found. Go through
7745 (trim_filename, fancy_abort): Delete.
7747 * builtins.c (expand_builtin_args_info): Report ICE with abort.
7748 * except.c (start_catch_handler): Report ICE with error/abort
7750 * final.c (output_operand_lossage): Likewise.
7751 * flow.c (verify_flow_info): Likewise.
7753 * gcc.c: Prototype fatal.
7754 * gengenrtl.c: Undef abort after including rtl.h not system.h.
7755 * genattr.c, genattrtab.c, genemit.c, genextract.c,
7756 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
7757 Don't define fancy_abort.
7759 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
7761 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
7764 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
7766 * m88k.h (VERSION_INFO2): Kill.
7767 (VERSION_STRING): Kill.
7769 (VERSION_INFO1): Tidy.
7770 (TARGET_VERSION): Update.
7771 * m88k/dgux.h (VERSION_INFO2): Kill.
7772 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
7773 * m88k/luna.h (VERSION_INFO1): Tidy.
7774 * m88k/sysv4.h (VERSION_INFO1): Likewise.
7775 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
7776 (output_file_start): Adjust for death of VERSION_STRING.
7778 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
7780 * cpplib.c (detect_if_not_defined): New function.
7781 (do_if): Use it to detect potential once-only headers.
7783 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
7785 * c-common.c (combine_strings): Always set TREE_CONSTANT.
7787 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
7789 * combine.c (nonzero_bits) : Allow single-ly set registers to be
7790 anywere in the function only if they are pseudos and set before
7791 being used (not live at the start of the function).
7792 (num_sign_bit_copies) : Same.
7793 (get_last_value_validate) : Same.
7794 (get_last_value) : Same.
7796 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
7798 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
7799 where N and M are constant and N is an integer multiple of M.
7801 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
7803 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
7804 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
7805 sbitmap_union_of_preds): Add prototypes.
7806 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
7807 the intersection of successors with the new flow graph structures.
7808 (sbitmap_intersection_of_preds): New function to compute the
7809 intersection of predecessors with the new flow graph structures.
7810 (sbitmap_union_of_succs): New function to compute the union of
7811 successors with the new flow graph structures.
7812 (sbitmap_union_of_preds): New function to compute the union of
7813 predecessors with the new flow graph structures.
7814 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
7815 (expr_reaches_here_p): Use edge and basic_block structures instead
7816 of s_preds and s_succs.
7817 (compute_cprop_avinout): Use new sbitmap routines.
7818 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
7819 of s_preds and s_succs.
7820 * flow.c (compute_flow_dominators): Compute dominators using
7821 edges and basic blocks instead of s_preds and s_succs.
7823 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
7825 * lists.c (unused_insn_list, unused_expr_list): New file for
7826 maintaining various types of lists. New statics for maintaining a
7827 cache of available INSN_LIST and EXPR_LIST nodes.
7828 (free_list): Static function for freeing a list of INSN/EXPR nodes.
7829 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
7830 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
7831 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
7832 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
7833 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
7834 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
7835 (free_INSN_LIST_node): Free an individual INSN_LIST node.
7836 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
7837 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
7838 (remove_dependence, free_pending_lists): Use new global routines.
7839 (flush_pending_lists, sched_analyze_insn): Use new global routines.
7840 (sched_analyze, compute_block_backward_dependences): Use new routines.
7841 (sched_analyze_1, sched_analyze_2): Use new routines.
7842 (schedule_insns): Use new global routines.
7843 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
7845 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
7846 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
7848 * toplev.c (rest_of_compilation): Initialize node cache.
7849 * Makefile.in (OBJS): Add lists.o to list of object files.
7850 (lists.o): Add dependancies.
7852 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
7854 * config/v850/v850.md: Fix compile time warning messages.
7855 * config/v850/v850.c: Fix compile time warning messages.
7856 * config/v850/v850.h: Fix compile time warning messages.
7858 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7860 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
7861 Remove unused prototype for `init_lengths'.
7863 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7865 * calls.c (emit_call_1): Mark parameter `stack_size' with
7867 (expand_call): Initialize variable `insn'.
7868 (emit_library_call): Likewise for variable `high_to_save'.
7869 (emit_library_call_value): Likewise.
7870 (store_one_arg): Likewise for variables `lower_bound' and
7873 * combine.c (try_combine): Likewise for variables `i2_code_number'
7874 and `other_code_number'.
7875 (find_split_point): Likewise for variables `pos', `unsignedp' and
7877 (simplify_if_then_else): Likewise for variables `op' and `c1'.
7878 (simplify_and_const_int): Remove unused variable `width'.
7879 (merge_outer_ops): Likewise.
7881 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
7882 HOST_WIDE_INT' when comparing against one.
7883 (simplify_relational_operation): Likewise.
7884 (cse_insn): Initialize variables `src_eqv_volatile',
7885 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
7887 * final.c (init_final): Constify parameter `filename'.
7888 (final_start_function): Mark parameter `optimize' with
7890 (profile_function): Likewise for parameters `first' and `optimize'.
7891 (output_source_line): Likewise for parameter `file'.
7893 * integrate.c (subst_constants): Cast a value to `size_t' when
7894 comparing against one.
7895 (mark_stores): Initialize variable `mode'. Cast a value to
7896 `size_t' when comparing against one.
7898 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
7900 * loop.c (move_movables): Initialize variable `first'.
7901 (strength_reduce): Likewise for variable `increment'.
7902 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
7903 value to `size_t' when comparing against one.
7904 (load_mems): Initialize variable `end_label'.
7906 * output.h (init_final): Constify parameter.
7908 * reload.c (decompose): Initialize variable `base'.
7910 * reload1.c (reload): Likewise for variable `is_scalar'.
7911 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
7912 (choose_reload_regs): Initialize variable `mode'.
7913 (emit_reload_insns): Likewise for variable `store_insn'.
7914 (reload_cse_noop_set_p): Mark parameter `insn' with
7916 (reload_combine): Initialize variable `set'.
7918 * unroll.c (unroll_loop): Likewise for variable `local_label'.
7919 (copy_loop_body): Cast a value to `size_t' when comparing against
7922 * varasm.c (assemble_variable): Initialize variable `size_tree'.
7923 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
7924 (remove_from_pending_weak_list): Mark parameter `name' with
7927 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7929 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
7932 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
7934 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
7935 (ASM_DECLARE_FUNCTION_NAME): Define.
7936 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
7937 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
7938 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
7939 not already defined.
7941 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
7943 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
7944 of n_popped when call/call_value are not defined.
7946 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
7948 * tm.texi: GNU CC -> GCC conversion.
7949 (CC1_SPEC): Indicate it is used for all language front ends.
7951 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
7953 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
7954 NOTE_INSN_EH_REGION_END correctly.
7956 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
7957 Jeff Law <law@cygnus.com>
7959 * loop.c (strength_reduce): Automatically unroll loops if the
7960 unrolled loop size is smaller than the rolled loop size.
7962 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
7963 and delete comment that code should be rewritten.
7965 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
7967 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
7970 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
7972 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
7974 * fixinc/mkfixinc.sh: Don't fix uwin headers.
7975 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
7976 (LINK_SPEC): Add -u _main when building executables.
7977 (ASM_DECLARE_FUNCTION): Update from Cygwin.
7978 (ASM_FILE_END): Use the default for ix86-pe.
7979 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
7981 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
7983 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
7984 and ASM_CLOSE_PAREN are empty strings.
7986 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
7987 Geoffrey Keating <geoffk@cygnus.com>
7989 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
7990 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
7991 (unprotoize.o): Ditto.
7992 (test-protoize-simple): Don't define STD_PROTO_DIR.
7993 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
7994 changes to make 'test-protoize-simple' pass.
7995 (STD_PROTO_DIR): Remove define.
7996 (STANDARD_EXEC_PREFIX): Supply default define.
7997 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
7998 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
7999 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
8000 (GET_ENV_PATH_LIST): New macro.
8001 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
8002 (do_processing): Initialize default_syscalls_dir using new
8003 macros. Use it to initialize syscalls_absolute_filename.
8005 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
8007 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
8008 B into a register before emit_conditional_move.
8010 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
8012 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
8013 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
8014 multiplicand out of (+ (* a b) (* c d)).
8016 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
8017 Richard Henderson <rth@cygnus.com>
8019 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
8020 (new_insn_dead_notes): Likewise.
8021 (update_n_sets): Likewise.
8022 (update_flow_info): Move to flow.c, renamed to update_life_info;
8023 extend to handle multiple source insns.
8024 * flow.c: Include resource.h
8025 (unlink_insn_chain): New.
8026 (split_hard_reg_notes): New.
8027 (maybe_add_dead_note): New.
8028 (maybe_add_dead_note_use): New.
8029 (find_insn_with_note): New.
8030 (new_insn_dead_notes): New.
8031 (update_n_sets): New.
8032 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
8033 (maybe_remove_dead_notes): New.
8034 (update_life_info): New.
8035 (prepend_reg_notes): New.
8036 (replace_insns): New.
8037 * output.h (update_life_info): Declare.
8038 * recog.c (split_block_insns): Use update_life_info.
8039 * resource.c (find_free_register): Use reg_alloc_order, don't use
8040 fixed regs, make sure the mode is supported, don't use new regs.
8042 * rtl.h (replace_insns): Declare.
8044 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
8046 * expr.c (expand_expr): Cope with COND_EXPRs with one
8047 non-returning branch.
8049 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
8051 * expr.c (store_expr): Always pass down the target, even when not
8054 1999-08-24 Nick Clifton <nickc@cygnus.com>
8056 * configure.in: Define target_cpu_default for v850 targets.
8057 * configure: Regenerate
8059 * config/v850/v850.h (TARGET_CPU_generic): Define.
8060 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
8061 addresses are 4 byte aligned.
8063 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
8066 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8068 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
8069 (main): Add prototypes.
8071 * genattrtab.c (substitute_address, write_const_num_delay_slots,
8072 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
8073 (write_attr_get): Emit prototypes along with function definition.
8074 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
8075 (write_complex_function): Emit static prototype along with
8076 function definition.
8078 * genemit.c (gen_split): Emit prototypes along with function
8081 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
8082 Likewise for predicates and `insn_operand_predicate'.
8083 (process_template): Emit static prototype along with function
8086 * genrecog.c (make_insn_sequence): Constify a char*. Add
8087 prototypes for get_split_*().
8088 (write_subroutine): Emit prototypes along with function
8091 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8093 * gcse.c (find_avail_set): Follow chains of register-register copies.
8094 Use oprs_not_set_p to guarantee that the returned value can be
8096 (cprop_insn): Don't verify the return value of find_avail_set with
8099 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
8100 (cprop_cc0_jump): New function.
8101 (cprop_insn): Break out new function cprop_jump and use it.
8102 Also use cprop_cc0_jump for machines with CC0.
8103 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
8105 * tree.h (current_function_calls_setjmp,
8106 current_function_calls_longjmp): Delete declarations.
8107 * dsp16xx.c: Include "function.h".
8108 * elxsi.c: Likewise.
8109 * gmicro.c: Likewise.
8110 * h8300.c: Likewise.
8113 * mn10200.c: Likewise.
8114 * mn10300.c: Likewise.
8115 * ns32k.c: Likewise.
8119 * rtl.h (rtx_equal_function_value_matters): Declare.
8120 * toplev.c (rtx_equal_function_value_matters): Don't declare.
8122 * function.c: Likewise.
8123 * emit-rtl.c: Likewise.
8125 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
8127 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
8130 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8132 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
8135 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
8137 * cpp.texi: Add a node documenting macro varargs (copied
8140 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
8142 * cppspec.c: Put a null pointer at the end of the new argv.
8144 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
8146 * configure.in: Remove code to select/de-select the haifa
8147 scheduler. Every scheduled port gets haifa now.
8148 * configure: Rebuilt.
8149 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
8151 * Makefile.in: Corresponding changes.
8153 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8155 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
8156 All callers changed.
8157 (prepare_float_lib_cmp): Likewise.
8158 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
8159 * expr.h (emit_float_lib_cmp): Delete declaration.
8160 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
8161 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
8162 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
8164 (cmptf): Now conditional on TARGET_HARD_QUAD.
8166 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
8168 * resource.c (mark_target_live_regs): Use
8169 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
8171 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8173 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
8175 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
8177 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
8179 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8181 * rtl.h (rtx_format): Constify a char*.
8183 * rtl.c (rtx_format): Likewise.
8184 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
8185 (init_rtl): Use accessor macro, not `rtx_format'.
8187 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
8190 * caller-save.c (mark_referenced_regs): Likewise.
8192 * combine.c (subst, make_compound_operation, known_cond,
8193 gen_rtx_combine, update_table_tick, get_last_value_validate,
8194 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
8196 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
8197 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
8198 count_reg_usage): Likewise.
8200 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
8203 * final.c (leaf_renumber_regs_insn): Likewise.
8205 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
8206 dump_edge_info, count_reg_references): Likewise.
8208 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
8209 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
8212 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
8213 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
8214 add_label_notes): Likewise.
8216 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
8217 clear_struct_flag, count_sub_rtxs, count_alternatives,
8218 compares_alternatives_p, contained_in_p, walk_attr_value,
8219 write_expr_attr_cache): Likewise.
8221 * genconfig.c (walk_insn_part): Likewise.
8223 * genemit.c (max_operand_1, gen_exp): Likewise.
8225 * genextract.c (walk_rtx): Likewise.
8227 * genflags.c (num_operands): Likewise.
8229 * genoutput.c (scan_operands): Likewise.
8231 * genpeep.c (match_rtx): Likewise.
8233 * genrecog.c (add_to_sequence): Likewise.
8235 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
8238 * integrate.c (save_constants, copy_for_inline,
8239 copy_rtx_and_substitute, subst_constants, restore_constants):
8242 * jump.c (mark_jump_label, invert_exp, redirect_exp,
8243 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
8245 * local-alloc.c (contains_replace_regs, memref_referenced_p):
8248 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
8249 add_label_notes, replace_call_address, count_nonfixed_reads,
8250 invariant_p, find_single_use_in_loop, find_mem_givs,
8251 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
8254 * print-rtl.c (reg_names, print_rtx): Likewise.
8256 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
8258 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
8259 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
8260 print_blocks): Likewise.
8262 * regclass.c (fix_register, record_address_regs,
8263 reg_scan_mark_refs): Likewise.
8265 * regmove.c (stable_but_for_p): Likewise.
8267 * reload.c (loc_mentioned_in_p, operands_match_p,
8268 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
8269 copy_replacements, refers_to_regno_for_reload_p,
8270 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
8271 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
8274 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
8275 delete_address_reloads_1, count_occurrences,
8276 reload_cse_mem_conflict_p, reload_combine_note_use,
8277 add_auto_inc_notes): Likewise.
8279 * resource.c (mark_referenced_resources, mark_set_resources):
8282 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
8283 reg_mentioned_p, regs_set_between_p, modified_between_p,
8284 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
8285 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
8286 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
8287 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
8289 * sched.c (sched_analyze_2, attach_deaths): Likewise.
8291 * stupid.c (stupid_mark_refs): Likewise.
8293 * unroll.c (remap_split_bivs): Likewise.
8295 * varasm.c (mark_constants): Likewise.
8297 * a29k/a29k.c (uses_local_reg_p): Likewise.
8299 * alpha/alpha.c (summarize_insn): Likewise.
8301 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
8302 eliminate_lr2ip): Likewise.
8304 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
8306 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
8307 reg_mentioned_in_mem): Likewise.
8309 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
8310 symbolic_reference_mentioned_p): Likewise.
8312 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
8314 * sh/sh.c (regs_used, mark_use): Likewise.
8316 * vax/vax.c (vax_rtx_cost): Likewise.
8318 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8320 * machmode.h (mode_name): Constify a char*.
8322 * rtl.c (mode_name): Likewise.
8324 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
8326 * optabs.c (init_libfuncs): Constify a char*.
8328 * print-tree.c (mode_name): Remove redundant declaration.
8329 (print_node): Use accessor macro, not `mode_name'.
8331 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
8333 (new_spill_reg): Constify a char*.
8335 * tree.c (mode_name): Remove redundant declaration.
8337 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8339 * rtl.c (rtx_name): Constify a char*.
8341 * rtl.h (rtx_name, fix_sched_param): Likewise.
8343 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
8344 (mypr): Use accessor macro, not `rtx_name'.
8346 * genemit.c (print_code): Constify a char*.
8348 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
8350 * genpeep.c (print_code): Constify a char*.
8352 * genrecog.c (print_code): Likewise.
8354 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
8355 end_bb): Add static prototype.
8356 (draw_edge): Constify a char*.
8357 (end_bb): Remove unused parameter.
8359 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
8360 print_block_visualization): Constify a char*.
8362 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
8364 * c-common.c (c_get_alias_set): Update comment.
8366 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
8368 * linux.h (LIB_SPEC): Added.
8370 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8372 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
8374 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
8376 * tree.c (expr_check): Fix typo in last change.
8378 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
8380 * rtl.def (NOTE): Change format to "iuu0n".
8381 (ADDR_DIFF_VEC): Change format to "eEee0".
8382 (ADDRESSOF): Change format to "eit".
8384 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
8385 (RTVEC_ELT): Change to match.
8386 (XVECEXP): Use XVEC and RTVEC_ELT.
8387 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
8388 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
8389 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
8390 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
8391 TRAP_CONDITION, TRAP_CODE): Use XEXP.
8392 (INTVAL): Use XWINT.
8393 (ADDRESSOF_DECL): Use XTREE.
8394 (SET_ADDRESSOF_DECL): Delete.
8395 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
8396 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
8397 ifdefed out since 2.6 at least.
8398 (gen_rtvec_vv): Delete prototype.
8400 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
8402 (copy_most_rtx): Handle 't' format letter.
8403 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
8404 (gen_rtvec_vv): Delete function. All callers changed to use
8405 gen_rtvec_v instead.
8406 * print-rtl.c (print_rtx): Move special casing of NOTEs to
8407 the '0' format letter.
8409 * function.c (gen_mem_addressof): Don't use
8410 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
8412 * integrate.c (copy_rtx_and_substitute): Likewise.
8413 Copy 't' slots with XTREE.
8414 (subst_constants): Treat 't' slots like '[swi]' slots.
8415 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
8416 * jump.c (rtx_equal_for_thread_p): Likewise.
8417 * rtlanal.c (rtx_equal_p): Likewise.
8418 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
8419 only four arguments.
8420 * gengenrtl.c (type_from_format): Provide correct types for
8424 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
8425 If a recent gcc is in use (always in stage2 and beyond), use
8426 statement expressions, so we don't make a function call unless
8427 the check fails. Evaluate arguments exactly once.
8428 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
8429 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
8431 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
8432 they evaluate their arguments exactly once, irrespective of
8433 the compiler in use.
8435 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
8436 is used by the currently-enabled check macros. This is:
8437 (tree_check_failed, tree_class_check_failed): For gcc.
8438 (tree_check, tree_class_check, cst_or_constructor_check,
8439 expr_check): For other compilers.
8441 * gencheck.c: Do not define any *_CHECK1 macros.
8443 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
8444 Mark Mitchell <mark@codesourcery.com>
8446 * c-common.c (c_get_alias_set): Fix support for poitners and
8449 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
8451 * alias.c: Include tree.h.
8452 (nonlocal_reference_p, mark_constant_function): New functions.
8453 * flow.c (life_analysis): Call mark_constant_function.
8454 * rtl.h (mark_constant_function): Declare it.
8456 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
8458 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
8459 unrecognisable switches.
8461 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8463 * loop.c (recombine_givs): Set ix field after sorting.
8464 (recombine_givs): Remove bogus index / giv lockstep looping.
8466 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8468 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
8470 (emit_store_flag_force): Use do_compare_rtx_and_jump.
8471 (do_cmp_and_jump): Formatting fixes.
8472 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
8473 do_compare_rtx_and_jump instead of compare_from_rtx.
8474 (do_compare_rtx_and_jump): New function; mostly copied from
8476 (do_jump_for_compare): Delete.
8477 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
8479 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
8480 of compare/do_jump_for_compare pairs.
8481 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
8482 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
8483 compare_from_rtx/do_jump_for_compare pairs.
8484 (do_jump_by_parts_equality): Likewise.
8485 (do_jump_by_parts_equality_rtx): Likewise.
8486 * expr.h (do_compare_rtx_and_jump): Declare.
8487 * optabs.c (prepare_cmp_insn): New function, contains most of the code
8488 that used to be in emit_cmp_insn.
8489 (cmp_available_p): New function.
8490 (prepare_operand): New function.
8491 (emit_cmp_and_jump_insn_1): New function, contains some code that used
8492 to be in emit_cmp_insn.
8493 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
8494 parameters to be pointers; don't emit final compare but modify some of
8495 the values pointed to by the args so the caller can perform the
8497 (expand_binop): Call emit_store_flag_force with signed forms of
8499 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
8500 emit_jump_insn pair.
8501 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
8502 emit_cmp_and_jump_insn_1. Call emit_queue.
8503 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
8505 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
8506 jump sets cc0 before deleting it.
8507 * integrate.c (expand_inline_function): Likewise.
8508 * unroll.c (unroll_loop): Similar changes in several places.
8509 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
8512 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8514 * Makefile.in (insn-recog.o): Update dependencies.
8515 * genrecog.c (main): Make generated file include "function.h".
8517 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
8519 * cse.c (cse_insn): Call never_reached_warning when a jump is
8520 changed to be unconditional.
8521 * flags.h: Declare warn_notreached.
8522 * flow.c (delete_block): Call never_reached_warning when
8524 * jump.c (delete_barrier_successors): Call never_reached_warning
8525 when we delete everything after a BARRIER.
8526 (never_reached_warning): New function.
8527 * rtl.h: Declare never_reached_warning.
8528 * toplev.c (warn_notreached): New variable.
8529 (lang_independent_options): Set warn_notreached
8530 when -Wunreachable-code.
8531 (compile_file): We need line numbers for -Wunreachable-code.
8533 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
8535 * haifa-sched.c (insn_unit): Fix typo on out of range test.
8536 * sched.c (insn_unit): Likewise.
8538 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
8540 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
8542 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8544 * flow.c (create_edge_list): Use xmalloc, not malloc.
8546 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
8548 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
8549 C-style comments. Do not lose the character before double slash.
8551 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8553 * basic-block.h (struct edge_list): Stucture to maintain a vector
8555 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
8556 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
8557 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
8558 New function prototypes.
8559 * flow.c (create_edge_list): Function to create an edge list.
8560 (free_edge_list): Discards memory used by an edge list.
8561 (print_edge_list): Debug output showing an edge list.
8562 (verify_edge_list): Internal consistency check for an edge list.
8563 (find_edge_index): Function to find an edge index for a pred and succ.
8565 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
8567 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
8570 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
8572 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
8574 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8576 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
8578 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
8580 * toplev.c (rest_of_compilation): Allow machine dependent
8581 reorganisation pass to place information into the RTL dump
8582 file if it so wishes.
8584 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
8586 * explow.c (hard_function_value): Use VOIDmode instead of
8588 * stmt.c (expand_return): Likewise.
8589 * stor-layout.c (get_best_mode): Likewise.
8591 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
8592 emit call instead of emit_insn call.
8594 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
8596 * configure.in: Handle --disable/enable-win32-registry.
8597 * install.texi: Document --disable/enable-win32-registry.
8598 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
8599 (WIN32_REGISTRY_KEY): New macro.
8600 * prefix.c: Use to enable/disable win32-specific code.
8601 (lookup_key): Use versioned key.
8602 * configure: Regenerate.
8603 * config.in: Likewise.
8605 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
8607 * cpplib.c (read_line_number): New fn, split out of...
8610 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
8612 tree.c (lang_unsave_expr_now) : New.
8613 (unsave_expr_now): Call lang_unsave_expr_now.
8614 tree.h (lang_unsave_expr_now) : New.
8616 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
8618 * toplev.c (flag_new_exceptions): On by default.
8620 1999-08-13 Michael Meissner <meissner@cygnus.com>
8622 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
8624 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
8626 * dwarfout.c (fundamental_type_code): Return FT_boolean for
8627 INTEGER_TYPE with precision==1, it's __java_boolean.
8629 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8631 * global.c (prune_preferences): Move some invariants out of the
8634 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
8636 * configure.in (alpha*-dec-osf*): Add osf5.
8638 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
8640 * configure.in: Rework handling of ARM GNU/Linux slightly.
8641 (arm*-*-linux-gnuoldld): New target.
8642 * configure: Regenerate.
8643 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
8644 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
8645 * config/arm/linux-oldld.h: New file.
8646 * config/arm/linux-elf26.h: Don't include linux-elf.h.
8647 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
8649 * config/arm/linux-elf.h (ASM_SPEC): Define.
8650 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
8651 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
8652 for 26-bit APCS and old linker.
8653 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
8655 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
8656 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
8657 don't define `arm' or `arm_elf'.
8658 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
8659 MULTILIB_DIRNAMES): Define. Fix typo in comment.
8661 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
8663 * rtl.texi: Fix typo.
8665 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
8667 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
8669 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
8671 * extend.texi (C++ Signatures): Remove node.
8672 * invoke.texi: Remove discussion of -fhandle-signatures,
8673 signature, sigof, __signature__, and __sigof__.
8675 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
8677 * Makefile.in (JAVAGC): Removed.
8679 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
8681 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
8683 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
8685 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
8687 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
8689 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
8690 a register that is already known to be a pointer.
8692 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
8694 * fixinc/inclhack.tpl: Only install assert.h conditionally.
8695 * fixinc/inclhack.sh: Regenerated.
8696 * fixinc/fixincl.sh: Regenerated.
8698 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
8700 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
8701 Fix documentation of -ansi flag to describe its C++ behavior.
8702 Remove bogus reference to GCC 2.9.
8704 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
8706 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
8707 note if it is non-NULL.
8709 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8711 * except.h (eh_nesting_info): Add new structure defintion.
8712 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
8713 (reachable_handlers, update_rethrow_references): Add function
8715 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
8716 a rethrow symbol instead of an integer exception region number.
8717 * flow.c (Make_edges): Use new exception nesting routines to determine
8718 which handlers are reachable from a CALL or asynchronous insn.
8719 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
8721 (delete_eh_regions): Update rethrow labels, and don't delete
8722 regions which are the target of a rethrow.
8723 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
8724 avoid overloading the SYMBOL_REF_USED flag.
8725 (rethrow_symbol_map): Use new rethrow_ref field.
8726 (rethrow_used): Use new rethrow_ref field.
8727 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
8728 of an integer. Fix formatting.
8729 (output_exception_table_entry): Use new rethrow_ref field.
8730 (can_throw): Check for EH_REGION_NOTE before deciding
8731 whether a CALL can throw or not.
8732 (scan_region): Call rethrow_used() instead of accessing data structure.
8733 (update_rethrow_references): New function to make sure only regions
8734 which are still targets of a rethrow are flagged as such.
8735 (process_nestinfo): New static function to initialize a handler
8736 list for a specific region.
8737 (init_eh_nesting_info): New function to allocate and initialize
8738 the list of all EH handlers reachable from all regions.
8739 (reachable_handlers): New function to retrieve the list of handlers
8740 reachable from a specific region and insn.
8741 (free_eh_nesting_info): New function to dispose of a list of
8744 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8746 * flow.c (split_edge): Set JUMP_LABEL field.
8747 (commit_one_edge_insertion): Set head correctly for insert_before.
8748 When inserting insns, update insn block numbers if allocated.
8750 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8752 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
8753 retry_incomplete_types): Add static prototype.
8754 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
8755 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
8756 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
8757 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
8758 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
8761 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
8762 dwarf2out_start_source_file, dwarf2out_line): Likewise.
8764 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8766 * output.h (assemble_name): Constify a char*.
8768 * varasm.c (UNIQUE_SECTION, assemble_start_function,
8769 assemble_variable, assemble_name): Likewise.
8771 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
8773 * arm/pe.c (arm_pe_unique_section): Likewise.
8775 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
8777 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
8779 * i386/interix.c (i386_pe_unique_section): Likewise.
8781 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
8783 * i386/winnt.c (i386_pe_unique_section): Likewise.
8785 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
8787 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
8789 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
8791 * pa/pa.c (output_call): Likewise.
8793 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
8795 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
8797 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
8800 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
8803 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
8805 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
8806 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
8808 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
8810 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8812 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
8814 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8816 * tree.h (lang_identify): Constify a char*.
8817 (print_error_function): Add extern prototype. Constify a char*.
8819 * c-lang.c (lang_identify): Constify a char*.
8821 * objc/objc-act.c (lang_identify): Constify a char*.
8823 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8825 * genpeep.c (main): Make generated file include "function.h".
8826 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
8828 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8830 * Makefile.in: Update dependencies.
8831 * alias.c: Include "function.h"
8832 * c-decl.c: Likewise.
8833 * caller-save.c: Likewise.
8834 * calls.c: Likewise.
8835 * combine.c: Likewise.
8837 * explow.c: Likewise.
8838 * final.c: Likewise.
8839 * global.c: Likewise.
8840 * graph.c: Likewise.
8841 * local-alloc.c: Likewise.
8843 * optabs.c: Likewise.
8844 * profile.c: Likewise.
8845 * recog.c: Likewise.
8846 * regclass.c: Likewise.
8847 * regmove.c: Likewise.
8848 * reload.c: Likewise.
8849 * reorg.c: Likewise.
8850 * resource.c: Likewise.
8851 * sched.c: Likewise.
8852 * stupid.c: Likewise.
8853 * config/1750a/1750a.c: Likewise.
8854 * config/a29k/a29k.c: Likewise.
8855 * config/arc/arc.c: Likewise.
8856 * config/arm/arm.c: Likewise.
8857 * config/arm/thumb.c: Likewise.
8858 * config/c4x/c4x.c: Likewise.
8859 * config/clipper/clipper.c: Likewise.
8860 * config/convex/convex.c: Likewise.
8861 * config/fx80/fx80.c: Likewise.
8862 * config/i860/i860.c: Likewise.
8863 * config/m68k/m68k.c: Likewise.
8864 * config/m88k/m88k.c: Likewise.
8865 * config/mips/mips.c: Likewise.
8866 * config/pdp11/pdp11.c: Likewise.
8867 * config/pyr/pyr.c: Likewise.
8868 * config/romp/romp.c: Likewise.
8869 * config/sh/sh.c: Likewise.
8870 * config/tahoe/tahoe.c: Likewise.
8871 * config/vax/vax.c: Likewise.
8872 * config/we32k/we32k.c: Likewise.
8873 * config/sparc/sparc.c: Include "function.h".
8874 (mem_min_alignment): Test current_function rather than
8875 regno_pointer_align.
8876 * config/pa/pa.c: Likewise.
8877 (compute_frame_size): Delete declaration of
8878 current_function_outgoing_args_size.
8879 * config/arc/arc.h (current_function_varargs): Delete declaration.
8880 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
8882 * config/i370/i370.h (current_function_outgoing_args_size): Delete
8884 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
8885 current_function_uses_pic_offset_table.
8886 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
8887 of current_function_returns_pointer.
8888 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8889 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8890 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8891 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8892 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8893 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8894 * config/m88k/m88k.c: Include "function.h"
8895 (call_used_regs, current_function_pretend_args_size,
8896 current_function_outgoing_args_size, frame_pointer_needed): Delete
8898 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
8900 * config/mips/mips.h (current_function_calls_alloca): Delete
8902 * config/mn10200/mn10200.h (current_function_needs_context,
8903 rtx_equal_function_value_matters): Delete declarations.
8904 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
8905 flag_pic): Delete declarations.
8906 * config/pa/pa.h (current_function_pretend_args_size,
8907 current_function_decl): Delete declarations.
8908 * config/pa/som.h (current_function_varargs): Delete declaration.
8909 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
8911 * config/pyr/pyr.h (current_function_pretend_args_size,
8912 current_function_args_size, current_function_calls_alloca): Delete
8914 * config/sh/sh.h (current_function_varargs): Delete declaration.
8915 * config/sparc/sparc.h (current_function_outgoing_args_size,
8916 current_function_calls_alloca, current_function_decl): Delete
8918 * config/spur/spur.h (current_function_pretend_args_size,
8919 current_function_calls_alloca): Delete declarations.
8920 * config/v850/v850.c (current_function_outgoing_args_size): Delete
8922 * config/vax/vms.h (current_function_name): Delete declaration.
8923 * gcse.c: Include "function.h".
8924 (current_function_name, current_function_calls_setjmp): Delete
8926 * haifa-sched.c: Include "function.h".
8927 (forced_labels): Delete declaration.
8929 * reg-stack.c: Likewise.
8930 * reload1.c: Likewise.
8931 * genemit.c (main): Make generated file include function.h.
8932 * genoutput.c (output_prologue): Likewise.
8934 * builtins.c (saveregs_value, apply_args_value): Delete variables.
8935 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
8936 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
8937 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
8938 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
8939 macros for some of them.
8940 (emit_filename, emit_lineno): Delete declarations.
8941 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
8942 regno_pointer_* variables through current_function.
8943 (gen_inline_header_rtx): Delete function.
8944 (save_emit_status): Delete function.
8945 (set_new_last_label_num): New function.
8946 (clear_emit_caches): New function.
8947 (restore_emit_status): Just clear last_labelnum and call
8949 (get_last_insn_anywhere): Variable sequence_stack is now accessed
8950 through macro seq_stack.
8951 (add_insn_after): Likewise.
8952 (add_insn_before): Likewise.
8953 (remove_insn): Likewise.
8954 (pop_topmost_sequence): Likewise.
8955 (in_sequence_p): Likewise.
8956 (start_sequence_for_rtl_expr): Likewise.
8957 (start_sequence): Likewise, and likewise for
8958 sequence_rtl_expr/seq_rtl_expr.
8959 (push_topmost_sequence): Likewise.
8960 (end_sequence): Likewise.
8961 (init_virtual_regs): Now takes a "struct emit_status *" argument.
8962 All callers changed. Store into that pointer instead of globals.
8963 (init_emit): Allocate emit elt of current_function.
8964 Changes for sequence_rtl_expr/sequence_stack renaming.
8965 Call clear_emit_caches instead of doing it in-line.
8966 Access regno_pointer_* variables through current_function.
8967 (init_emit_once) Don't clear sequence_stack.
8969 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
8971 (arg_pointer_save_area): Delete declaration.
8972 (finish_expr_for_function): Renamed from init_queue; no longer static.
8973 (init_expr): Don't call init_queue.
8974 (save_expr_status, restore_expr_status): Delete functions.
8975 (expand_expr): Changes to reflect new layout of struct function.
8976 Don't access current_function_check_memory_usage when current_function
8978 * expr.h (forced_labels, save_expr_regs, saveregs_value,
8979 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
8980 current_function_outgoing_args_size, current_function_arg_offset_rtx,
8981 current_function_uses_const_pool, function_call_count,
8982 current_function_uses_pic_offset_table, nonlocal_labels,
8983 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
8984 current_function_check_memory_usage, nonlocal_goto_handler_slots,
8985 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
8987 (finish_expr_for_function): Declare.
8988 * flags.h (current_function_has_nonlocal_label,
8989 current_function_has_nonlocal_goto, current_function_is_thunk,
8990 current_function_has_computed_jump): Delete declarations.
8991 * flow.c (forced_labels): Delete declaration.
8992 * function.c (current_function_pops_args,
8993 current_function_returns_struct, current_function_returns_pcc_struct,
8994 current_function_needs_context, current_function_calls_setjmp,
8995 current_function_calls_longjmp, current_function_has_nonlocal_label,
8996 current_function_has_nonlocal_goto, current_function_is_thunk,
8997 current_function_has_computed_jump, current_function_calls_alloca,
8998 current_function_contains_functions, current_function_returns_pointer,
8999 current_function_epilogue_delay_list, current_function_args_size,
9000 current_function_pretend_args_size, current_function_arg_offset_rtx,
9001 current_function_outgoing_args_size, current_function_varargs,
9002 current_function_stdarg, current_function_args_info, cleanup_label,
9003 current_function_name, current_function_uses_const_pool,
9004 current_function_instrument_entry_exit, current_function_return_rtx,
9005 current_function_uses_pic_offset_table, nonlocal_labels,
9006 current_function_internal_arg_pointer, current_function_cannot_inline,
9007 current_function_check_memory_usage, function_call_count,
9008 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
9009 nonlocal_goto_stack_level, return_label, save_expr_regs,
9010 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
9011 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
9012 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
9013 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
9014 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
9016 (push_function_context_to): Don't save them. Don't call
9017 save_storage_status, save_emit_status or save_expr_status.
9018 (pop_function_context_from): Don't restore them. Don't call
9019 restore_storage_status or restore_expr_status.
9020 (get_func_frame_size): New function.
9021 (get_frame_size): Use it.
9022 (assign_outer_stack_local): Reflect some member name changes in struct
9024 (put_reg_into_stack): Likewise.
9025 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
9027 (fixup_var_refs): Likewise.
9028 (fix_lexical_addr): Likewise.
9029 (trampoline_address): Likewise.
9030 (prepare_function_start): Clear field inlinable of current_function.
9031 (init_function_for_compilation): New function.
9032 (expand_dummy_function_end): New function.
9033 (expand_function_end): Call finish_expr_for_function.
9034 * function.h (struct emit_status): New; fields moved here from struct
9035 function and from global variables. Add accessor macros for some of
9037 (struct expr_status): Likewise.
9038 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
9039 (struct function): Add fields expr and emit, inlinable, inl_emit,
9040 original_arg_vector, original_decl_initial, inl_last_parm_insn,
9041 inl_max_label_num. Add many comments.
9042 Add accessor macros for all elts of struct function that no longer
9043 have a global variable.
9044 (cleanup_label, return_label, frame_offset, tail_recursion_label,
9045 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
9046 stack_slot_list): Delete declarations.
9047 (get_func_frame_size): Declare.
9048 (save_expr_status, restore_expr_status, save_emit_status,
9049 save_storage_status, restore_storage_status): Delete declarations.
9050 (init_virtual_regs): Declare.
9051 * output.h (current_function_pops_args,
9052 current_function_returns_struct, current_function_returns_pcc_struct,
9053 current_function_needs_context, current_function_calls_setjmp,
9054 current_function_calls_longjmp, current_function_calls_alloca,
9055 current_function_has_nonlocal_label, current_function_varargs,
9056 current_function_has_computed_jump, current_function_returns_pointer,
9057 current_function_contains_functions, current_function_args_size,
9058 current_function_pretend_args_size, current_function_stdarg,
9059 current_function_outgoing_args_size, current_function_args_info,
9060 current_function_name, current_function_return_rtx,
9061 current_function_epilogue_delay_list,
9062 current_function_uses_const_pool, current_function_cannot_inline):
9063 Delete declarations.
9064 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
9065 regno_reg_rtx): Delete declaration.
9066 (REGNO_POINTER_FLAG): Delete macro.
9067 * stmt.c (expand_goto): Changes to reflect that some fields in struct
9068 function were renamed.
9069 * stor-layout.c (save_storage_status, restore_storage_status): Delete
9071 * toplev.c: Include "function.h".
9072 (current_function_decl): Delete declaration.
9073 (compile_file): Call init_dummy_function_start and
9074 expand_dummy_function_end around some initializations that need to
9076 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
9077 Call init_function_for_compilation.
9078 * unroll.c: Include "function.h"
9079 (unroll_loop): Access regno_pointer_* variables through
9082 * tree.h (struct tree_decl): Add elt f to saved_insns member.
9083 (DECL_SAVED_INSNS): use it.
9084 (expand_dummy_function_end): Declare.
9085 (init_function_for_compilation): Declare.
9086 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
9087 that it's no longer an INLINE_HEADER.
9088 (expand_call): Likewise.
9089 * integrate.c (finish_inline): Delete function.
9090 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
9091 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
9092 args. Don't generate an INLINE_HEADER rtx, just return the arg
9093 vector. All callers changed.
9094 (save_for_inline_copying): Create a duplicate struct emit_status to
9095 hold the emit state for compiling the current function. Use this and
9096 the other new fields in struct function that are for integration
9097 instead of an INLINE_HEADER.
9098 Use memcpy instead of bcopy.
9099 Store the current struct function in DECL_SAVED_INSNS of fndecl.
9100 (save_for_inline_nocopy): Similar changes, except no new emit_status
9102 (expand_inline_function): Get information from function structure,
9103 not from an inline header rtx.
9104 (output_inline_function): Lose code to extract the necessary
9105 information from an inline header; simply put back the function
9106 structure into current_function. Clear its inlinable elt.
9107 * rtl.def (INLINE_HEADER): Delete.
9108 * rtl.h: Delete all accessors for an INLINE_HEADER.
9109 (gen_inline_header_rtx): Delete declaration.
9110 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
9111 Delete declarations.
9112 (REGNO_POINTER_ALIGN): Delete.
9113 (clear_emit_caches): Declare.
9114 (set_new_last_label_num): Declare.
9116 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
9118 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
9120 * except.c (expand_eh_region_start_for_decl): Always start a new block.
9121 * stmt.c (is_eh_region): Make sure current_function is present, too.
9123 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
9125 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
9126 for 64bit PA targets.
9128 * pa.h (SELECT_SECTION): Define.
9129 * som.h (SELECT_SECTION): Delete.
9131 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9133 * alias.c (init_alias_analysis): Wrap call to
9134 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
9136 1999-08-07 Bruce Korb <autogen@linuxbox.com>
9138 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
9139 <sys/asm.h> contains an asm comment with an apostrophe
9140 * fixinc/inclhack.sh: regen
9141 * fixinc/fixincl.x: regen
9143 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
9145 * function.c (init_function_start): Clear prologue & epilogue.
9146 (prologue_epilogue_contains): New function.
9147 * alias.c (init_alias_analysis): Use it.
9148 * rtl.h (prologue_epilogue_contains): Declare it.
9150 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
9152 * jump.c (onlyjump_p): New function.
9153 * rtl.h: Declare it.
9154 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
9155 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
9157 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
9159 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
9160 to invert loops. Simplify block scanning.
9162 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9164 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
9165 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
9167 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
9169 * config/sparc/liteelf.h: New file to support sparclite-elf target
9170 * config/sparc/t-sp86x: New file to support sparc86x targets
9171 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
9172 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
9173 * configure.in: Support above target triplets
9174 * configure: Regenerated
9176 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
9178 * fixinc/server.c (server_setup): Do not prefix function used as
9181 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
9183 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
9184 Remove fp reg alternatives.
9186 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
9188 * Makefile.in (TAROUTOPTS): Kill.
9189 (install-headers-tar): Use "xpf" for tar headerfile extraction
9190 * i370/x-oe (TAROUTOPTS): Delete.
9191 * m68k/x-apollo68 (TAROUTOPTS): Delete.
9192 * m68k/x-hp320 (TAROUTOPTS): Delete.
9193 * m68k/x-hp320g (TAROUTOPTS): Delete.
9194 * gcc.texi: Update bug reporting text.
9196 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9198 * reg-stack.c (change_stack) Fixed problem with negative array index.
9200 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
9202 * extend.texi, install.texi: Fix spelling mistakes.
9204 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
9205 (s-attrtab); No longer try to use pre-made insn-attrtab file.
9206 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
9208 * mips/t-ecoff: Likewise.
9209 * mips/t-elf: Likewise.
9210 * mips/t-mips: Likewise.
9211 * mips/t-osfrose: Likewise.
9212 * mips/t-r3900: Likewise.
9213 * mips/t-svr3: Likewise.
9214 * mips/t-svr4: Likewise.
9215 * mips/t-ultrix: Likewise.
9217 * gcc.texi: Document recommend means to provide software floating
9218 point libraries in libgcc.a
9220 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
9222 * c-lex.c (yylex): We can have a number with no digits.
9224 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
9226 * jump.c (delete_prior_computation): New function, broken
9227 out of delete_computation. Check for side effects with
9228 side_effects_p instead of FIND_REG_INC_NOTE. Handle
9229 multi-word hard registers.
9230 (delete_computation): Use it. Check for side effects with
9231 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
9232 missing REG_DEAD note for a register which is both set and
9235 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
9237 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
9238 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
9239 (ASM_FILE_START): Import _mcount with the right type.
9240 (ASM_DECLARE_FUNCTION_NAME): Define.
9241 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
9242 * pa.c (output_function_prologue): Always emit the function's label
9244 * pa.h (TEXT_SPACE_P): Define.
9245 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
9246 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
9247 * som.h (TEXT_SPACE_P): Delete.
9248 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
9249 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
9251 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
9253 * expr.c (emit_group_load): Allow src to be a CONCAT.
9255 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9257 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
9258 (___mulsi3): Use '!' comment character.
9260 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9262 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
9264 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
9266 * gcc.c: Update URLs and mail addresses.
9267 * gcc.texi: Likewise.
9269 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
9271 * rs6000.c (current_file_function_operand): Return zero for
9273 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
9275 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
9278 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
9280 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
9281 allocate space in the stack frame for the PIC register.
9283 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
9285 * m68k.md (xordi3, anddi3): These patterns are not available on
9288 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
9290 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
9291 (PUT_REAL): Likewise.
9293 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9295 * final.c (shorten_branches): Don't add an alignment for loops
9296 that have no label inside.
9298 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9300 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
9301 prototypes in macro HAVE_cmpstrsi.
9303 * cpplib.c (cpp_get_token): Remove unused label `op3'.
9305 * emit-rtl.c (operand_subword): Remove unused variable
9308 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
9310 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
9312 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
9314 * cpphash.c (macroexpand): Delete leading whitespace when arg
9315 is concatenated before.
9316 (unsafe_chars): Correct test for whether + and - can extend a
9319 * cppinit.c (cpp_start_read): Do dependencies for
9320 -include/-imacros files also.
9322 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
9323 tokenizing non-directive lines.
9324 (cpp_expand_to_buffer): Temporarily disable no-output mode.
9325 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
9328 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
9330 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
9332 * c-lex.c: Sync with C++ frontend.
9333 (linemode): New variable.
9334 (parse_float): imag, conversion_errno, and type are output only.
9335 (yylex): Adjust. Move initial '.' case into main switch.
9337 (handle_generic_pragma): Just deal with tokens.
9338 (readescape): Use ISXDIGIT and ISGRAPH.
9339 * c-parse.in: Add END_OF_LINE token.
9341 * c-lex.c (lang_init): Generalize.
9342 (nextchar): Remove. Replace uses with UNGETC.
9343 (skip_white_space): Handle linemode here. Optimize for cpplib.
9344 (skip_white_space_on_line): Remove.
9345 (extend_token_buffer_to): New fn.
9346 (extend_token_buffer): Use it.
9347 (read_line_number, check_newline): Just deal with tokens.
9348 (token_getch, token_put_back): New fns.
9349 (yylex): Use them. More cpplib optimizations. Simplify.
9351 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
9352 Jason Merrill <jason@yorick.cygnus.com>
9354 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
9355 (consume_string): Make this smart about USE_CPPLIB.
9356 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
9357 (yylex): Rewrite to be intelligent about USE_CPPLIB.
9358 Also, clean up cases where we redundantly set token_buffer[0].
9359 (read_line_number): New fn.
9360 (ignore_escape_flag): New variable.
9362 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
9364 * a29k/t-a29kbare: Fix some comments.
9365 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
9366 (FPBIT, DPBIT): Define.
9367 * a29k/t-vx29k: Likewise.
9368 * arc/t-arc: Likewise.
9369 * arm/t-arm-elf: Likewise.
9370 * arm/t-bare: Likewise.
9371 * arm/t-pe: Likewise.
9372 * arm/t-pe-thumb: Likewise.
9373 * arm/t-semi: Likewise.
9374 * arm/t-thumb: Likewise.
9375 * arm/t-thumb-elf: Likewise.
9376 * arm/t-thumb-linux: Likewise.
9377 * h8300/t-h8300: Likewise.
9378 * i960/t-i960: Likewise.
9379 * i960/t-vxworks960: Likewise.
9380 * m32r/t-m32r: Likewise.
9381 * mips/t-ecoff: Likewise.
9382 * mips/t-elf: Likewise.
9383 * mips/t-r3900: Likewise.
9384 * pa/t-pro: Likewise.
9385 * rs6000/t-aix43: Likewise.
9386 * rs6000/t-beos: Likewise.
9387 * rs6000/t-newas: Likewise.
9388 * rs6000/t-ppccomm: Likewise.
9389 * rs6000/t-rs6000: Likewise.
9390 * rs6000/t-winnt: Likewise.
9391 * rs6000/t-xnewas: Likewise.
9392 * rs6000/t-xrs6000: Likewise.
9393 * sh/t-sh: Likewise.
9394 * sparc/t-elf: Likewise.
9395 * sparc/t-sparcbare: Likewise.
9396 * sparc/t-sparclite: Likewise.
9397 * sparc/t-splet: Likewise.
9398 * v850/t-v850: Likewise.
9399 * mn10200/t-mn10200: Fix comments.
9400 * mn10300/t-mn10300: Likewise.
9402 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
9403 dummy operand. Allocate a new pseudo for the dummy operand.
9404 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
9406 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
9408 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
9410 * configure: Rebuilt.
9411 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
9413 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
9415 * recog.c (preproces_constraints): Zero recog_op_alt before
9416 processing the constraints.
9418 * arm.c (typedef minipool_node): Renamed from pool_node.
9419 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
9420 (add_minipool_constant): New function.
9421 (dump_minipool): New function.
9422 (find_barrier): Remove special case for getting the insn size of
9423 an insn that references the constant pool.
9424 (minipool_fixup): New structure.
9425 (push_minipool_barrier): New function.
9426 (push_minipool_fix): New function.
9427 (note_invalid_constants): New function.
9428 (add_pool_constant, dump_table, fixit, broken_move): Delete.
9429 (arm_reorg): Rewrite code to fix up the constant pool into a
9430 series of mini-pools embedded in the insn stream.
9431 (arm_output_epilogue): New function, made mainly from the body
9432 of output_func_epilogue.
9433 (output_func_epilogue): Move insn generation part of epilogue code
9434 to arm_output_epilogue.
9435 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
9436 * arm.md (pool_range): New attribute.
9437 (zero_extendqidi2): Add attribute pool_range.
9438 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
9439 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
9440 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
9441 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
9442 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
9443 (epilogue): New expand.
9444 (epilogue_insn): New insn. Call arm_output_epilogue.
9446 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
9447 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
9449 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
9451 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
9453 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
9455 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
9457 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
9459 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
9461 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
9463 * global.c: Fix comment.
9465 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
9467 * gcc.c (access_check): New static function.
9468 (find_a_file): Use it when searching a directory list.
9469 * collect2.c (find_a_file): Don't accept directories found when
9470 searching a directory list.
9472 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
9474 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
9475 function parameters with `&'.
9476 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
9478 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
9480 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
9481 or tidy_fallthru_edge if the last insn in the block is not
9482 an unconditional jump or a simple conditional jump.
9484 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9486 * Makefile.in (c-decl.o): Depends on defaults.h.
9488 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
9490 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
9492 (CLASS_MAX_NREGS): Likewise.
9494 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
9496 * cse.c (cse_insn): Fix dumb thinko in last change.
9498 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9500 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
9503 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
9505 * dwarf2out.c (add_location_or_const_value_attribute): Correct
9506 test for sizes of passed and declared parameter types.
9508 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9510 * fixincludes: Fix the return type of bsearch, char* -> void*.
9512 * fixinc/inclhack.def: Likewise.
9514 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
9516 * invoke.texi (-fdump-translation-unit): New option.
9518 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
9520 * expr.h (PROMOTE_PROTOTYPES): Move ...
9521 * defaults.h: ... to here.
9522 * c-decl.c: Include defaults.h instead of expr.h.
9523 * c-typeck.c: Include defaults.h.
9525 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
9527 * toplev.h (errorcount): Declare.
9528 (warningcount): Likewise.
9529 (sorrycount): Likewise.
9530 * c-lex.c (errorcount): Don't declare.
9531 * dwarf2out.c (errorcount): Don't declare.
9533 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
9535 * config/libgloss.h: Add a note discouraging use with ELF.
9536 * configure.in: Don't use libgloss.h for ELF targets.
9537 Always use_collect2 on a.out targets.
9539 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
9541 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
9542 (force_to_mode, case ASHIFTRT): Add shiftrt label.
9544 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9546 * loop.c (strength_reduce): When doing biv->giv conversion, update
9547 reg note of NEXT->insn.
9549 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
9551 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
9553 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
9555 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
9556 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
9557 Ensure expr.h is included.
9558 * c-typecheck.c (convert_arguments): Ditto.
9560 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
9562 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
9563 * config/convex/convex.h: Ditto.
9564 * config/dsp16xx/dsp16xx.h: Ditto.
9565 * config/fx80/fx80.h: Ditto.
9566 * config/gmicro/gmicro.h: Ditto.
9567 * config/i370/i370.h: Ditto.
9568 * config/i386/i386.h: Ditto.
9569 * config/m32r/m32r.h: Ditto.
9570 * config/m68k/m68k.h: Ditto.
9571 * config/m88k/m88k.h: Ditto.
9572 * config/mips/mips.h: Ditto.
9573 * config/pa/pa.h: Ditto.
9574 * config/pyr/pyr.h: Ditto.
9575 * config/tahoe/tahoe.h: Ditto.
9576 * config/we32k/we32k.h: Ditto.
9578 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
9581 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
9583 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
9586 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
9588 1999-08-02 Richard Henderson <rth@cygnus.com>
9590 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
9591 for the register spill block.
9593 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
9594 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
9596 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
9597 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
9598 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
9600 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
9602 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
9603 MAX_WCHAR_TYPE defined in sparc.h.
9604 * config/sparc/linuxaout.h: Likewise.
9605 * config/sparc/linux64.h: Likewise.
9606 Also default to -mvis if CPU is UltraSPARC.
9608 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
9610 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
9611 (RTX_OK_FOR_OLO10): Likewise.
9612 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
9613 %lo(), allow it in addresses...
9614 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
9615 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
9616 does not make sense.
9617 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
9618 (sparc_output_scratch_registers): New function.
9619 (output_function_prologue, sparc_flat_output_function_prologue): Use
9621 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
9623 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
9624 * configure.in: Add check for .register pseudo-op support in as and
9625 check for offsetable %lo().
9626 * acconfig.h: Add templates for the above checks.
9627 * configure: Regenerate.
9629 1999-08-02 Richard Henderson <rth@cygnus.com>
9631 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
9632 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
9633 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
9635 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9637 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
9640 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
9642 * config/float-sparc.h: New file.
9643 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
9644 sparc-*-linux-gnu and sparc64-*-linux*.
9646 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9648 * rs6000.c (rs6000_va_list): Type is an array.
9649 (rs6000_va_start): Don't doubly adjust for varargs.
9650 (rs6000_va_arg): Evaluate long long GPR adjustment.
9652 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
9654 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
9655 -maix64 and -maix32.
9656 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
9657 LINK_SPEC): Change appropriately.
9658 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
9659 (u_short_cint_operand): Likewise.
9660 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
9662 * rs6000/t-aix43 (MULTILIB): Change to -m64.
9664 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
9666 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
9668 * rs6000/rs6000.c (num_insns_constant_wide): Correct
9670 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
9671 (non_add_cint_operand): Likewise.
9672 (logical_operand): Likewise.
9673 (non_logical_cint_operand): Likewise.
9674 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
9675 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
9676 (rs6000_select_rtx_section): Suppress warning.
9677 (small_data_operand): Suppress warning.
9678 (rs6000_got_register): Suppress warning.
9679 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
9680 type, so `J' is generally the wrong constraint for a SImode value;
9682 (andsi3_internal2): Likewise.
9683 (andsi3_internal3): Likewise.
9684 (iorsi3_internal1): Likewise.
9685 (xorsi3_internal1): Likewise.
9687 (movsf_softfloat): Likewise.
9688 (scc insns): Likewise.
9689 (movsi+2): Preserve sign bits of SImode constant.
9690 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
9691 (movdf+1): Sign-extend properly.
9692 (movdi_32+1): Sign-extend properly.
9693 (scc insns): Sign-extend properly.
9695 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
9698 1999-08-02 Richard Henderson <rth@cygnus.com>
9700 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
9702 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
9703 * alpha.md (all fp insns): Likewise.
9705 1999-08-02 Nick Clifton <nickc@cygnus.com>
9707 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
9710 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
9712 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
9713 pic_load_label generator directly.
9714 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
9715 No longer a named pattern.
9717 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
9719 * explow.c (force_reg): Call force_operand if X does not
9720 satisfy general_operand.
9722 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
9724 * fix-header.c (main): When testing for CONTINUED, use string
9725 equality, not pointer equality.
9727 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
9729 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
9731 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
9733 * cse.c (cse_insn): Fix loop which deletes insns after a jump
9734 that has become an unconditional jump.
9736 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
9737 (output_function_epilogue): Similarly.
9739 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9741 * tree.h (init_dummy_function_start): Declare.
9743 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9745 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
9746 last_expr_type, last_expr_value, block_start_count, block_stack,
9747 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
9748 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
9749 dynamically in stmt elt of struct function for each function.
9750 (struct nesting): Rename function_call_count elt to n_function_calls,
9751 target_temp_slot_level to block_target_temp_slot_level. All users
9753 (struct stmt_status): New structure definition.
9754 Add many accessor macros for stmt_status elements which previously
9755 were global variables.
9756 (init_stmt_for_function): Allocate stmt elt for current_function.
9757 Reflect that block_start_count was renamed to
9758 current_block_start_count.
9759 (save_stmt_status, restore_stmt_status): Delete functions.
9760 (preserve_subexpressions_p): Don't access loop_stack when outside
9762 (expand_start_bindings): Reflect that block_start_count was renamed to
9763 current_block_start_count.
9764 (expand_fixup): Likewise.
9765 (expand_decl): Don't access block_stack when outside a function.
9766 (expand_decl_cleanup): Likewise.
9767 (expand_dcc_cleanup): Likewise.
9768 (expand_dhc_cleanup): Likewise.
9769 (expand_anon_union_decl): Likewise.
9770 (set_file_and_line_for_stmt): New function.
9771 (in_control_zone_p): New function.
9773 * function.h (struct function): Add new elt stmt.
9774 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
9775 case_stack, nesting_stack, nesting_depth, block_start_count,
9776 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
9777 emit_lineno, goto_fixup_chain.
9778 (save_eh_status, restore_eh_status, save_stmt_status,
9779 restore_stmt_status): Delete declarations.
9780 * function.c (push_function_context_to): Don't call save_stmt_status.
9781 (pop_function_context_to): Don't call restore_stmt_status.
9782 * tree.h (in_control_zone_p): Declare.
9783 * rtl.h (set_file_and_line_for_stmt): Declare.
9785 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
9786 call set_file_and_line_for_stmt.
9788 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
9790 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
9791 Also update copyright.
9793 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9795 * c-pragma.c: Don't include "except.h".
9796 * emit-rtl.c: Likewise.
9797 * stor-layout.c: Likewise.
9799 * varasm.c: Likewise.
9801 * flow.c: Include "function.h".
9802 * tree.h (init_dummy_function_start): Declare new function.
9804 * except.h (struct eh_status): New structure.
9805 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
9807 (eh_return_stub_label, ehstack, catchstack, ehqueue,
9808 catch_clauses, false_label_stack, caught_return_label_stack,
9809 protect_list, current_function_ehc): Add accessor macros for the
9810 corresponding fields in current_function->eh; delete declarations
9811 for all items that used to be declared here.
9812 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
9813 catch_clauses, false_label_stack, caught_return_label_stack,
9814 protect_list, current_function_ehc): Delete variables.
9815 (init_eh_for_function): Allocate current_function->eh.
9816 (save_eh_status, restore_eh_status): Delete functions.
9818 * function.h (struct function): Add fields next_global and eh.
9819 Delete all exception handling related fields.
9820 * function.c (current_function): New variable.
9821 (all_functions): New variable.
9822 (push_function_context_to): Don't allocate a struct function,
9823 use current_function instead. Call init_dummy_function_start when
9824 outside a function. Clear current_function before returning.
9825 (pop_function_context_from): Restore current_function.
9826 Don't free the restored struct function.
9827 (prepare_function_start): New function.
9828 (init_dummy_function_start): New function.
9829 (init_function_start): Break out some code into prepare_function_start
9832 * stmt.c (save_stmt_status): Don't call save_eh_status.
9833 (restore_stmt_status): Don't call restore_eh_status.
9835 * Makefile.in: Update dependencies.
9837 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
9839 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
9840 of depending on a magic constant value. Update comments.
9841 (hppa_expand_prologue): Similarly.
9843 * pa.md (reload_indi, reload_outdi): Allow any register for the
9844 original reload register.
9846 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
9848 * cccp.c (print_help): Change marcos to macros.
9850 1999-07-30 Richard Henderson <rth@cygnus.com>
9852 * c-typeck.c (initializer_constant_valid_p): Move ...
9853 * c-common.c (initializer_constant_valid_p): ... here. Use
9854 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
9856 * c-common.h (initializer_constant_valid_p): Declare.
9857 * c-tree.h (initializer_constant_valid_p): Remove.
9859 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
9861 * config/i386/sol2-c1.asm: Align the stack.
9862 * config/i386/sol2-gc1.asm: Likewise.
9864 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
9866 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
9867 -Asparclite for sparc86x.
9868 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
9870 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
9872 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
9874 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
9875 the user if using the non-default arch size in BI_ARCH configuration.
9876 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
9878 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
9879 Fix patterns so that they actually match.
9880 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
9881 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
9882 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
9884 (mulsidi3): Reflect this in the expand.
9885 (smulsi3_highpart): Only on TARGET_ARCH32.
9886 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
9887 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
9888 (umulsidi3): Reflect this in the expand.
9889 (umulsi3_highpart): Only on TARGET_ARCH32.
9890 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
9891 don't require g0 to be zero.
9892 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
9893 ({,u}divsi3): New expands.
9894 ({,u}divsi3_sp64): New patterns.
9895 (after lshrdi3_v8plus): Four new patterns to help combiner
9896 optimizing nested mixed mode shifts.
9898 * config/sparc/sparc.c (sparc_override_options): Use deprecated
9899 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
9900 speed things up. Don't use them by default on plain v9 in 64bit
9901 mode, according to what SPAMv9 sais.
9903 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
9904 top 32 bits of %[og][0-7] in signal handlers.
9905 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
9907 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
9909 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
9910 (ashlsi3): Corresponding changes.
9912 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
9914 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
9916 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
9918 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9920 * arm.h (Hint): Delete macro.
9921 Substitute HOST_WIDE_INT for Hint in some prototypes.
9922 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
9924 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
9926 * builtins.c (expand_builtin_setjmp): Use force_operand to
9927 make sure that the buffer address is in a suitable form to be
9928 passed to force_reg.
9930 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
9932 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
9935 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
9937 * pa.md (indirect_jump): Remove mode from match_operand. Verify
9938 proper mode in the condition string.
9939 (icacheflush, dcacheflush): Remove modes from match_operands.
9941 * pa.c (emit_move_sequence): Always convert scratch_reg to the
9942 proper mode before using it.
9944 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
9947 * pa.c (store_reg): Do not call add_high_const generator directly.
9948 (load_reg, set_reg_plus_d): Likewise.
9949 * pa.md (add_high_const): No longer a named pattern.
9951 * pa.c (legitimize_address): Consistently use Pmode rather than
9952 SImode. Do not call gen_pic2_highpart directly anymore.
9953 * pa.md (pic2_highpart): No longer a named pattern.
9954 (pic2_lo_sum): Similarly. Reformat to make more readable.
9956 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
9961 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9963 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
9965 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
9967 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
9968 and tag the spill mems.
9969 (hppa_va_start): New.
9971 * pa.h (EXPAND_BUILTIN_VA_START): New.
9972 (EXPAND_BUILTIN_VA_ARG): New.
9974 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
9976 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
9977 and tag the spill mems.
9978 (mn10300_va_start): New.
9979 (mn10300_va_arg): New.
9980 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
9981 (EXPAND_BUILTIN_VA_ARG): New.
9983 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
9985 * mn10200.c (mn10200_va_arg): New.
9986 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
9988 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
9990 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
9991 rather than play with TREE_INT_CST_LOW.
9993 1999-07-27 Philip Blundell <pb@nexus.co.uk>
9995 * config/arm/telf.h: Include dbxelf.h.
9996 (CPP_PREDEFINES): Only define if not already defined.
9997 (ASM_IDENTIFY_GCC): Likewise.
9998 (SUBTARGET_EXTRA_SECTIONS): Likewise.
9999 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
10000 * config/arm/thumb.h (LINK_SPEC): Only define if not already
10002 (DBX_DEBUGGING_INFO): Don't define.
10003 * config/arm/linux-telf.h: New file.
10004 * config/arm/linux-tgas.h: New file.
10005 * config/arm/t-thumb-linux: New file.
10006 * config/arm/uclinux-elf.h: New file.
10007 * config/arm/uclinux-telf.h: New file.
10008 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
10009 thumb-*-uclinux): New targets.
10010 * configure: Regenerate.
10012 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
10014 * pa.md (post_store, pre_load): New expanders.
10015 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
10016 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
10017 need to directly generate RTL for them.
10018 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
10021 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
10023 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
10024 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
10025 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
10026 (secndary_reload_class): Make TARGET_ELF conditional compile.
10027 (print_operand_address): Similar.
10028 (output_toc): Print all values as hex.
10029 (get_issue_rate): Rearrange and add RS64A and PPC630.
10030 * rs6000.h (processor_type): Add RS64A and PPC630.
10031 (PROCESSOR_POWERPC64): New.
10032 (PROMOTE_MODE): Use word_mode.
10033 (RTX_COSTS): Add RS64A and PPC630.
10034 * rs6000.md (scheduling information): Add lmul and ldiv
10035 representing 64-bit integer multiply and divide. Add rs64a and
10036 PPC630 information.
10037 (ashldi3): Add support for "rldic" instruction.
10038 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
10040 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
10042 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
10043 instead of V8 for sparclite86x in cpu_table.
10045 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10047 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
10048 output_file_directive.
10050 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
10052 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
10053 tree for op1, not the rtl.
10055 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
10057 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
10058 to m88k_va_start, leaving only the register spill.
10059 (m88k_build_va_list): New.
10060 (m88k_va_start): New.
10061 (m88k_va_arg): New.
10062 * m88k.h (BUILD_VA_LIST_TYPE): New.
10063 (EXPAND_BUILTIN_VA_START): New.
10064 (EXPAND_BUILTIN_VA_ARG): New.
10066 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
10068 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
10069 Rename from expand_builtin_saveregs.
10070 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
10072 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
10074 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
10075 for the register spill block.
10076 (i960_build_va_list): New.
10077 (i960_va_start): New.
10078 (i960_va_arg): New.
10079 * i960.h (BUILD_VA_LIST_TYPE): New.
10080 (EXPAND_BUILTIN_VA_START): New.
10081 (EXPAND_BUILTIN_VA_ARG): New.
10082 * i960.md (store_multiple): Use change_address on individul mems.
10084 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
10086 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
10088 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
10089 (expand_builtin_va_end): Evaluate arg for side effects.
10090 * c-common.c (c_common_nodes_and_builtins): Construct a
10091 va_list_arg_type_node to handle array decomposition to pointer.
10093 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
10095 * except.c (start_dynamic_cleanup): Use force_operand on the
10098 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
10100 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
10101 * c4x.c (c4x_va_arg): New.
10103 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
10105 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
10106 has manual_pop set.
10108 1999-07-26 Nathan Sidwell <nathan@acm.org>
10110 * eh-common.h (__eh_matcher): Prototype correctly.
10112 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
10114 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
10115 (TARGET_SINGLE_PIC_BASE): Likewise.
10116 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
10118 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
10119 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
10120 (TARGET_OPTIONS): Add -mpic-register=N.
10121 (OUTPUT_INT_ADDR_CONST): New macro.
10122 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
10123 LEGITIMATE_PIC_OPERAND_P): Likewise.
10124 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
10125 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
10126 output_addr_const directly.
10127 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
10129 (thumb_pic_register, thumb_pic_register_string): Declare.
10131 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
10133 (label_mentioned_p): New function: Imported from arm.c.
10134 (legitimize_pic_address): New function: Imported from arm.c.
10135 (is_pic):New function: Imported from arm.c.
10136 (thumb_finalize_pic):New function: Imported from arm.c.
10137 (add_constant): Cope with PIC constants.
10138 (fixit): Cope with PIC constants.
10139 (output_return): Do not treat the PIC register as live if
10140 TARGET_SINGLE_PIC_BASE is true.
10141 (thumb_function_prologue): Do not treat the PIC register as live if
10142 TARGET_SINGLE_PIC_BASE is true.
10143 (thumb_expand_prologue): Do not treat the PIC register as live if
10144 TARGET_SINGLE_PIC_BASE is true.
10145 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
10146 TARGET_SINGLE_PIC_BASE is true.
10147 (thumb_print_operand): Accept '|'.
10148 (thumb_override_options): Process PIC options.
10150 * config/arm/thumb.md (movsi): Support PIC.
10151 (call_insn): Change "i" constraint to "X".
10152 (call_value_insn): Likewise.
10153 (consttable_4, consttable_8, consttable_end): Set and clear
10154 "making_const_table" as appropriate.
10155 (pic_load_addr, pic_add_dot_plus_four): New insns.
10157 * invoke.texi (Thumb Options): Fix spelling. Document new
10158 options -msingle-pic-base and -mpic-register=.
10160 1999-07-26 Andrew Haley <aph@cygnus.com>
10162 * config/m32r/initfini.c (__init): Use a full word immediate for
10163 __fini: this allows it to be placed in any memory region.
10165 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
10166 -mmodel=medium. This is OK for all memory models.
10168 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
10170 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
10171 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
10173 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
10175 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
10178 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
10180 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
10182 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
10183 (BUILD_VA_LIST_TYPE): New.
10184 (EXPAND_BUILTIN_VA_START): New.
10185 (EXPAND_BUILTIN_VA_ARG): New.
10186 * i860.c (output_delayed_branch): Disable.
10187 (output_delay_insn): Likewise.
10188 (i860_saveregs): New.
10189 (i860_build_va_list): New.
10190 (i860_va_start): New.
10191 (i860_va_arg): New.
10192 * i860.md: Disable all peepholes using output_delayed_branch.
10193 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
10195 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
10197 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
10198 (BUILD_VA_LIST_TYPE): New.
10199 (EXPAND_BUILTIN_VA_START): New.
10200 (EXPAND_BUILTIN_VA_ARG): New.
10201 * clipper.c (clipper_builtin_saveregs): Only dump registers.
10202 Return the address of the save area.
10203 (clipper_build_va_list): New.
10204 (clipper_va_start): New.
10205 (clipper_va_arg): New.
10207 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
10209 * arc.h (EXPAND_BUILTIN_VA_START): New.
10210 (EXPAND_BUILTIN_VA_ARG): New.
10211 * arc.c (arc_setup_incoming_varargs): Set alias set of
10213 (arc_va_start): New.
10216 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
10218 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
10219 (BUILD_VA_LIST_TYPE): New.
10220 (EXPAND_BUILTIN_VA_START): New.
10221 (EXPAND_BUILTIN_VA_ARG): New.
10222 * alpha.c (alpha_builtin_saveregs): Delete.
10223 (alpha_build_va_list): New.
10224 (alpha_va_start): New.
10225 (alpha_va_arg): New.
10227 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
10229 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
10231 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
10232 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
10234 * gcc.texi: More changes related to list conversion.
10235 * invoke.texi: Likewise.
10237 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
10239 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
10240 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
10241 (expand_builtin_next_arg): Accept ARGLIST not EXP.
10242 (stabilize_va_list): New function.
10243 (std_expand_builtin_va_start): New function.
10244 (expand_builtin_va_start): New function.
10245 (get_varargs_alias_set): New function.
10246 (std_expand_builtin_va_arg): New function.
10247 (expand_builtin_va_arg): New function.
10248 (expand_builtin_va_end): New function.
10249 (expand_builtin_va_copy): New function.
10250 (expand_builtin): Call them.
10251 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
10252 __builtin_{varargs_start,stdarg_start,end,copy}.
10253 (build_va_arg): New function.
10254 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
10255 (build_va_arg): Declare.
10256 * c-decl.c (ptr_type_node, va_list_type_node): New.
10257 * c-parse.gperf (__builtin_va_arg): New.
10258 * c-parse.in (VA_ARG): New token.
10259 (unary_expr): Recognize it.
10260 * expr.c (expand_expr): Expand VA_ARG_EXPR.
10261 * expr.h (std_expand_builtin_va_start): Declare.
10262 (std_expand_builtin_va_arg): Declare.
10263 (expand_builtin_va_arg): Declare.
10264 (get_varargs_alias_set): Declare.
10265 * tree.def (VA_ARG_EXPR): New.
10266 * tree.h (BUILT_IN_VARARGS_START): New.
10267 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
10268 (ptr_type_node, va_list_type_node): Declare.
10269 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
10270 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
10271 * m88k.h, m88k.c: Likewise.
10272 * mn10300.h, mn10300.c: Likewise.
10273 * pa.h, pa.c: Likewise.
10274 * rs6000.h, rs6000.c: Likewise.
10275 * sh.h, sh.c: Likewise.
10276 * sparc.h, sparc.c: Likewise.
10278 * emit-rtl.c (operand_subword): Copy alias set.
10279 (change_address): Likewise.
10281 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
10283 * pa.c (compute_frame_size): Scan all the used callee saved registers,
10284 not just the first one.
10286 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
10288 * config/arm/arm.h (TARGET_SWITCHES): Add
10289 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
10290 (TARGET_OPTIONS): Add -mpic-register=.
10291 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
10292 (arm_pic_register_string): Declare.
10293 (NEED_PLT_GOT): Delete, replace with ...
10294 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
10295 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
10296 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
10297 * config/arm/arm.c (arm_override_options): Add new option
10299 (arm_pic_register_string): New variable.
10300 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
10301 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
10302 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
10303 (output_return_instruction): Likewise.
10304 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
10305 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
10306 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
10308 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
10309 mention of -msched-prolog. Document new options -msingle-pic-base
10310 and -mpic-register=.
10312 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
10314 * haifa-sched.c (reemit_notes): Tidy.
10315 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
10318 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
10320 * explow.c (trunc_int_for_mode): New function.
10321 (plus_constant_wide): Use it.
10322 * combine.c (simplify_and_const_int): Likewise.
10323 (merge_outer_ops): Likewise.
10324 (simplify_shift_const): Likewise.
10325 * cse.c (simplify_unary_operation): Likewise.
10326 (simplify_binary_operation): Likewise.
10327 * emit-rtl.c (operand_subword): Likewise.
10328 * rtl.h: Declare it.
10330 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10332 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
10333 (use NUM_REGS instead of NUM_INTS).
10335 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10337 * builtins.c: New file.
10338 * expr.c (saveregs_value, apply_args_value): Delete definition,
10339 moved into builtins.c.
10340 (string_constant): No longer static.
10341 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
10342 apply_args_size, apply_result_size, result_vector,
10343 expand_builtin_apply_args, expand_builtin_apply,
10344 expand_builtin_return): Delete functions, moved into builtins.c.
10345 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
10346 * expr.h (saveregs_value, apply_args_value): Declare variables.
10347 (expand_builtin, string_constant): Declare functions.
10348 * Makefile.in: Update to build builtin.o.
10350 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
10352 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
10353 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
10354 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
10355 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
10357 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
10360 1999-07-21 Michael Meissner <meissner@cygnus.com>
10362 * print-rtl.c (print_rtx): Print the names of the virtual
10365 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
10367 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
10368 introduced in previous delta.
10370 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10372 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
10373 to avoid name clash.
10375 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
10377 * c-lex.c (yylex) : Correct the test for overflow when lexing
10380 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
10382 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
10383 (adjust_priority): Always call ADJUST_PRIORITY.
10384 (schedule_insn): Only put insns into the ready at cost 0.
10385 (schedule_block): Remove redundant initial sort. Give clock_var
10386 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
10388 * tm.texi (MD_SCHED_REORDER): Update docs.
10390 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
10391 * sparc.c (ultra_reorder_called_this_block): Delete.
10392 (ultrasparc_sched_init): Don't set it.
10393 (ultrasparc_sched_reorder): Don't check it.
10395 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
10397 * rs6000.h (struct rs6000_args): Add sysv_gregno.
10398 * rs6000.c (init_cumulative_args): Init sysv_gregno.
10399 (function_arg_boundary): Align DFmode.
10400 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
10401 to get fp reg and stack overflow correct.
10402 (function_arg): Likewise.
10403 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
10404 (setup_incoming_varargs): Restructure for ABI_V4; use
10405 function_arg_advance to skip final named argument.
10406 (expand_builtin_saveregs): Properly unskip the last integer arg
10407 when doing varargs. Adjust overflow location calculation.
10409 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
10410 explicitly unsigned.
10411 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
10412 (__VA_GP_REGSAVE): Similarly.
10413 (__va_longlong_p): Delete.
10414 (__va_arg_type_violation): New declaration.
10415 (va_arg): Restructure. Flag promotion errors. Align double.
10416 TFmode passed by reference.
10418 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
10419 in the HOST_BITS_PER_WIDE_INT > 32 case.
10421 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
10423 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
10425 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
10427 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
10428 * toplev.c (documented_lang_options): Add -fpreprocessed.
10429 * cpplib.h (struct cpp_buffer): Add preprocessed.
10430 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
10431 (cpp_start_read): Don't expand macros or emit an initial #line
10432 directive if -fpreprocessed.
10434 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
10436 * cpplib.h (struct cpp_buffer): Added manual_pop for
10437 better C++ tokenization.
10438 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
10439 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
10440 * c-common.c (cpp_token): Make non-static.
10442 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10444 * c-common.h: New file.
10445 * c-common.c (permanent_obstack): Delete unused declaration.
10446 (c_global_trees): New array.
10447 (c_common_nodes_and_builtins): New function; split off common code
10448 from init_decl_processing in both c-decl.c and cp/decl.c.
10449 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
10450 c_global_trees and accessor macros defined in c-common.h.
10451 Include c-common.h.
10452 * c-decl.c: Delete definitions for tree nodes that were replaced by
10454 (init_decl_processing): Build void_list_node.
10455 Call c_common_nodes_and_builtins; delete code to generate the common
10457 * objc/objc-act.c (build_module_descriptor): Rename variable
10458 void_list_node to avoid clash with c-common.h.
10460 * Makefile.in: Update dependencies.
10461 * objc/Make-lang.in: Likewise.
10463 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
10465 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
10466 (UNIQUE_SECTION_P): Likewise.
10467 (UNIQUE_SECTION): Likewise.
10469 1999-07-19 Linas Vepstas <linas@linas.org>
10471 * config/i370/README: New file.
10472 * config/i370/linux.h: New file.
10473 * config/i370/mvs.h: New file.
10474 * config/i370/oe.h: New file.
10475 * config/i370/t-linux: New file.
10476 * config/i370/t-mvs: New file.
10477 * config/i370/t-oe: New file.
10478 * config/i370/x-oe: New file.
10479 * config/i370/xm-linux.h: New file.
10480 * config/i370/xm-mvs.h: New file.
10481 * config/i370/xm-oe.h: New file.
10483 * i370.c (label_node_t): Add first_ref_page, label_addr,
10484 label_first_ref, label_last_ref members.
10485 (mvs_need_base_reload): Renamed from mvs_label_emitted.
10486 (MAX_MVS_LABEL_SIZE): Define.
10487 (MAX_LONG_LABEL_SIZE): Define.
10488 (alias_node_t, alias_anchor, alias_number): New.
10489 (mvs_function_table): Reorder for EBCDIC.
10490 (ascebc, ebcasc): Unconditionally define.
10491 (i370_branch_dest, i370_branch_length): New functions.
10492 (i370_short_branch, i370_label_scan): New functions.
10493 (mvs_get_label): Renamed from mvs_add_label. Search for
10494 an existing label before creating a new one.
10495 (mvs_add_label): New function.
10496 (mvs_get_label_page): New function.
10497 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
10498 over the entire list.
10499 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
10500 (mvs_check_page) [TARGET_ELF_ABI]: New function.
10501 (mvs_add_alias, mvs_need_alias): New functions.
10502 (mvs_get_alias, mvs_check_alias): New functions.
10503 (handle_pragma): New function.
10504 (mvs_function_check): New function.
10505 (unsigned_jump_follows_p): Search harder.
10506 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
10507 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
10508 * i370.h (TARGET_VERSION): Delete.
10509 (CPP_SPEC, CPP_PREDEFINES): Delete.
10510 (mvs_label_emitted): Delete.
10511 (TARGET_EBCDIC): Delete.
10512 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
10513 (HANDLE_PRAGMA): Define.
10514 (HARD_REGNO_NREGS): Handle complex modes.
10515 (HARD_REGNO_MODE_OK): Likewise.
10516 (CLASS_MAX_NREGS): Likewise.
10517 (RET_REG): Likewise.
10518 (EXTRA_CONSTRAINT): Define.
10519 (RETURN_IN_MEMORY): True for DImode.
10520 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
10521 (FUNCTION_PROFILER): Delete.
10522 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
10523 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
10524 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
10525 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
10526 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
10527 (ASM_FILE_START): Add "RMODE ANY".
10528 (ASM_OUTPUT_EXTERNAL): Check for aliases.
10529 (ASM_GLOBALIZE_LABEL): Likewise.
10530 (ASM_OUTPUT_LABELREF): Likewise.
10531 (ASM_OUTPUT_COMMON): Likewise.
10532 (PRINT_OPERAND): Handle 'K', 'W', default.
10533 (PRINT_OPERAND_ADDRESS): New.
10534 (Lots of defines): Add support for TARGET_ELF_ABI.
10535 * i370.md (attr length): New. Define for all patterns.
10536 (*): Lots of tweeks to assembly output and constraints.
10538 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
10540 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
10541 Disable patterns performing SImode comparisons with SImode values
10542 if TARGET_POWERPC64 and instruction does not sign-extend or does
10543 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
10544 differ for signed quantities.
10545 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
10546 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
10547 (decrement_and_branch_on_count): Add 64-bit variant.
10549 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10551 * final.c (output_asm_insn): When searching for the matching string
10552 for a given dialect, don't run past the end of the list of
10553 alternatives if there are fewer alternatives in the template than
10556 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
10558 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
10559 Removed paragraph about compression of files and size limitation,
10560 duplicated in the FAQ. Use gcc-patches for posting patches.
10561 * gcc.c (main): Updated URL with bug reporting instructions to
10562 gcc.gnu.org. Removed e-mail address.
10563 * system.h (abort): Likewise.
10565 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10567 * Makefile.in (stmp-multilib-sub): Make the files extracted
10568 from $(LIBGCC1) writable.
10570 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
10572 * config/arm/aout.h: Reformat for improved readability.
10574 * config/arm/arm.h: Reformat for improved readability.
10575 Replace uses of fprintf with asm_fprintf where appropriate.
10576 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
10577 function declaration assembler actions.
10578 (NUM_INTS): New macro: Convert from bytes to words.
10579 (NUM_REGS): New macro: Compute number of registers required to
10580 hold a quanitity of tyep MODE.
10581 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
10583 (NUM_ARG_REGS): New macro: The number of argument registers
10585 (ARG_REGISTER): New macro: Compute the register number of the Nth
10587 (LAST_ARG_REGNUM): New macro: The number of the last argument
10589 (SP_REGNUM): New macro: Register number of the stack pointer.
10590 (FP_REGNUM): New macro: Register number of the frame pointer.
10591 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
10592 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
10593 CUMULATIVE_ARGS so that it counts registers not bytes.
10595 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
10597 Replace uses of fprintf with asm_fprintf where appropriate.
10598 (output_ascii_pseudo_op): Replace with version from thumb.c
10600 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
10602 * config/arm/elf.h (CPP_PREDEFINES): Replace with
10603 SUBTARGET_CPP_SPEC.
10604 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
10605 (ASM_FILE_START): Emit ASM_APP_OFF.
10607 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
10609 * pa.c (compute_frame_size): Round frame according to
10610 STACK_BOUNDARY rather than a hardwired value.
10612 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
10614 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
10616 * configure: Rebuilt.
10618 * configure.in (hppa*-*-linux*): New configuration.
10619 * configure: Rebuilt.
10620 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
10621 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
10622 * pa/pa-linux.h: New file.
10623 * pa/t-linux: New file.
10624 * pa/xm-linux.h: New file.
10626 * pa.c (hppa_legitimize_address): Change references from SImode to
10627 either Pmode or word_mode as appropriate.
10628 (emit_move_sequence, store_reg, load_reg): Likewise.
10629 (set_reg_plus_d, hppa_expand_prologue): Likewise.
10630 (output_mul_insn): Likewise.
10631 * pa.h (PROMOTE_MODE): Likewise.
10632 (INITIALZE_TRAMPOLINE): Likewise.
10633 (Pmode): Define to word_mode.
10635 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
10636 value of 4. Allocate 8 bytes for each FP register save.
10637 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
10639 (hppa_expand_prologue): Likewise.
10640 * pa.h (PROMOTE_MODE): Likewise.
10641 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
10642 (FUNCTION_ARG_BOUNDARY): Likewise.
10644 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
10646 * pa.c (out_of_line_prologue_epilogue): Delete.
10647 (override_options): Remove -mspace related code.
10648 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
10649 (compute_frame_size): Only allocate space for register that
10650 actually need to be saved.
10651 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
10652 (TARGET_SWITCHES): Remove -mspace, -mno-space
10653 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
10654 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
10655 * pa/ee.asm, pa/ee_fp.asm: Delete.
10657 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
10659 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
10660 directive in column zero.
10662 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
10664 * m68k.c (output_function_prologue): Fix computation of save mask
10665 when generating PIC code.
10667 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
10669 * tree.c (build_type_attribute_variant): Move current_obstack restore
10670 after build_qualified_type call.
10672 1999-07-15 Mark Mitchell <mark@codesourcery.com>
10674 * configure.in: Use t-iris6, even with GNU LD.
10675 * config/mips/iris6gld.h: Fix typo in linker spec.
10676 * config/mips/t-iris6gld: Remove.
10678 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
10680 * rs6000.md (insv, extzv): Remove SImode dependence in named
10681 patterns. Explicitly generate DImode RTL if PowerPC64 and
10683 (insvdi): Reverse start and size in instruction template.
10685 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
10687 * invoke.texi: Typo fixes.
10689 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
10691 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
10692 handle at this time instead of silently generating incorrect code.
10693 (gen_imagpart): Likewise.
10695 * reload.c (find_reloads): Emit a USE for a pseudo register without
10696 a hard register if we could not create an optional reload for the
10699 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10701 * c-typeck.c (output_init_element, process_init_element):
10702 When advancing constructor_unfilled_fields for a RECORD_TYPE,
10703 check for nameless bit fields.
10705 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
10707 * regclass.c (scan_one_insn): Notice subregs that change the
10708 size of their operand.
10709 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
10711 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
10713 * configure.in (alpha*-*-*): Include alpha/t-ieee.
10714 * configure: Rebuilt.
10715 * alpha/t-ieee: New file.
10717 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
10719 * rs6000.c (find_addr_reg): Do not select r0 as an address
10722 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
10724 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
10726 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
10728 * rs6000.md (movsf): Do not force easy FP constants into memory.
10730 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
10731 immed_double_const to ensure they are properly truncated then
10734 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
10736 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
10737 always unless NO_DEBUG is used. Compile this code
10739 (replace_symbols_in_block): Compile it unconditionally.
10741 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
10743 * configure.in (i?86-*-elf*): New target.
10744 * configure: Rebuilt.
10745 * i386/i386elf.h, i386/t-i386elf: New files.
10747 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
10749 * toplev.c (main): Don't complain about saying -gdwarf.
10750 (rest_of_compilation): Remove redundant code.
10752 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
10754 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
10756 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
10758 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
10759 "Li960R:", to avoid name clash.
10761 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10763 * loop.c (check_dbra_loop): When reversing a loop, delete all
10764 REG_EQUAL notes referencing the reversed biv except those which are
10765 for a giv based on it.
10767 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
10769 * version.c: Drop "gcc-" prefix from version #.
10771 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
10773 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
10774 the label if we're being verbose.
10776 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
10778 * m68k.c (output_function_prologue): Add pic register to mask
10779 if live and flag_pic.
10780 (output_function_epilogue): Likewise.
10782 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
10784 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
10785 directives in column zero.
10787 * pa/elf.h (ASM_FILE_START): Define.
10788 * pa/som.h (ASM_FILE_START): Include .level directives.
10789 * pa/hpux10.h (ASM_FILE_START): Delete.
10790 * pa/hpux11.h (ASM_FILE_START): Delete.
10792 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
10794 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10796 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
10797 when reload_out equals reload_in.
10799 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
10801 * invoke.texi (Spec Files): New node: Describe the contents of
10804 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
10806 * invoke.texi (DEC Alpha Options): Put @end table at
10807 beginning of line, to avoid confusing texi2html.
10809 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
10811 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
10812 introduced in previous delta.
10814 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10816 * reload1.c (gen_reload): When synthesizing a 3 operand add
10817 sequence, improve test for when to reload OP1 into the reload
10818 register instead of OP0.
10820 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
10822 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
10824 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
10826 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
10829 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
10831 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
10832 (va_dcl): Use __builtin_va_alist_t.
10834 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
10836 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
10837 on the permanent_obstack.
10838 * dwarfout.c (output_type): Likewise.
10840 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
10842 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
10843 Merged from c-typeck.c and cp/typeck.c.
10844 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
10845 Merged into c-common.
10847 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
10849 * c-lex.c (errorcount): Declare it.
10850 (finish_parse): Update errorcount when using CPPLIB.
10852 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
10854 * fixinc/inclhack.def(end_else_label): Double the backslash so
10855 sed gets a chance to see it.
10856 * fixinc/inclhack.sh: regen
10857 * fixinc/fixincl.x: regen
10859 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
10861 Add framework to support armv5 architecture when it becomes
10864 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
10865 (arm_arch5): New variable.
10866 (all_architectures): Add armv5 line.
10867 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
10868 -march=armv5 is specified on the command line.
10869 (arm_arch5): Export this variable.
10870 * invoke.texi: Document new string accepted by -march= switch for
10873 * config/arm/arm.h: Replace use of constant 12 as a register
10874 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
10875 * config/arm/arm.c: Replace use of constant 12 as a register
10876 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
10878 * config/arm/elf.h: Tidy up.
10879 * config/arm/coff.h: Tidy up.
10881 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
10883 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
10884 * gcc/config/mips/t-iris6gld: New file.
10885 * gcc/config/mips/iris6gld.h: Likewise.
10887 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
10889 * c-decl.c (widest_integer_literal_type_node,
10890 widest_unsigned_literal_type) : New.
10891 (init_decl_processing): Handle/use the two new types.
10892 * c-common.c (type_for_size,type_for_mode) : Same.
10893 * c-lex.c (yylex) : Same.
10894 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
10896 * c-tree.h (widest_integer_literal_type_node,
10897 widest_unsigned_literal_type) : New.
10899 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
10901 * dwarfout.c (field_byte_offset): Correctly compute the object's
10902 byte offset for the first bit of a field which crosses an alignment
10903 boundary on a !BYTES_BIG_ENDIAN target.
10905 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
10907 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
10910 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
10911 Jeff Law <law@cygnus.com>
10913 * ginclude/varargs.h (va_dcl): Use word_mode for type of
10916 * except.c: Include intl.h.
10917 (expand_eh_return): Set current_function_cannot_inline.
10918 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
10919 * function.h (struct function): Add eh_return_stub_label.
10920 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
10921 * Makefile.in (except.o): Depend on intl.h.
10923 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
10925 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
10926 same as offsettable in cases 1 and 2.
10928 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
10930 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
10931 (extlh, extwh): Likewise.
10933 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
10935 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
10937 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
10939 * configure.in: Add arm-pe and thumb-pe targets.
10940 * configure: Regenerate.
10942 * thumb.c (arm_naked_function_p): New function: Determines if
10943 a function is naked (has no gcc generated prologue/epilogue).
10944 (is_called_in_ARM_mode): Return true if the func has the
10945 interfacearm attribute.
10946 (output_return): Do not generate a return for naked functions.
10947 (thumb_function_prologue): Do not generate a prologue for
10949 (thumb_expand_prologue): Do not generate a prologue for naked
10951 (thumb_expand_epilogue): Do not generate an epilogue for naked
10953 (arm_valid_machine_decl_attribute): New function, copied from
10954 arm.c: Permit naked and interfacearm attributes.
10956 * config/arm/pe.c: New file: Support code for arm-pe target.
10957 * config/arm/pe.h: New file: Header file for arm-pe target.
10958 * config/arm/tpe.h: New file: Header file for thumb-pe target.
10959 * config/arm/t-thumb-pe: New file: Makefile fragment for
10962 1999-07-01 Mark Kettenis <kettenis@gnu.org>
10964 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
10965 -fPIC or -fpic is specified.
10967 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
10969 * expr.c (emit_block_move): Use copy_to_mode_reg for
10970 !TARGET_MEM_FUNCTIONS case too.
10972 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
10974 * configure: Rebuilt.
10975 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
10976 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
10977 definitions made redundant by dbxelf.h inclusion. Delete
10978 lots of definitions related to assembly output that are
10979 specific to the SOM object format.
10980 * pa.c (output_function_prologue): Do not emit the function's
10982 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
10983 * pa-pro.h: Deleted.
10984 * som.h: New file with SOM specific definitions.
10985 * elf.h: New file with ELF specific definitions.
10987 * elfos.h (const_section): Output a tab before assembler directives.
10988 (ctors_section, dtors_section): Likewise.
10989 (ASM_OUTPUT_SECTION_NAME): Likewise.
10991 * pa/pa1.h: Delete unused file.
10993 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
10995 * configure.in (hppa*-hp-hpux11*): New configuration.
10996 * configure: Rebuilt.
10997 * pa/pa-hpux11.h: New file.
10998 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
11001 * mips.md (leasi, leadi): New patterns.
11003 * expr.c (emit_block_move): Properly handle case where one of the
11004 block move arguments has a queued increment or decrement.
11005 (clear_storage): Similarly. Fix formatting goof.
11007 1999-06-28 "David O'Brien" <obrien@NUXI.com>
11009 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
11010 semicolon from the BSD VA_LIST replacement expression.
11012 * fixinc/inclhack.sh: regen
11013 * fixinc/fixincl.x: regen
11015 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
11016 now use the fixincl program.
11018 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
11020 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
11021 case. Also make the PIC register call_used.
11023 * m68k.h (FINALIZE_PIC): Delete.
11024 * m68k.c (finalize_pic): Delete.
11026 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
11028 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
11031 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
11033 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
11035 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
11037 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
11039 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
11041 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
11043 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
11045 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
11047 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
11049 * rs6000.c (output_toc): Always use hex values for floating-point
11050 constants. Store single-precision values in upper-half of TOC
11051 entry in 64-bit mode.
11052 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
11053 to final constraints.
11054 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
11055 (fctiwz): Improve accuracy of RTL for pattern.
11057 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
11059 * expr.c (expand_expr): Allow RTL_EXPR's through the
11060 MAX_INTEGER_COMPUTATION_MODE checks.
11062 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
11064 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
11065 such that MASK_SUPPORT_ARCH is not negative.
11067 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
11069 * loop.c (verify_dominator): Properly handle ADDR_VEC and
11070 ADDR_DIFF_VEC insns that appear inside loops.
11072 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
11073 Jeff Law <law@cygnus.com>
11075 * rs6000.md (movdf_hardfloat32): Revert previous patch.
11076 Handle LO_SUM the same as offsettable in cases 1 and 2.
11077 * rs6000.c (find_addr_reg): Revert previous patch.
11079 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
11081 * system.h (strstr): New external function declaration.
11082 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
11083 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
11084 * config.in, configure: Rebuilt.
11086 1999-06-24 Tom Tromey <tromey@cygnus.com>
11088 * gcc.c (main): Read user-specified specs files after computing
11089 additional startfile_prefixes.
11091 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
11093 Revert these two patches:
11095 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11096 * loop.c (strength_reduce): When doing biv->giv conversion, update
11097 reg note of NEXT->insn.
11099 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11100 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11102 (recombine_givs): Set ix field after sorting.
11104 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11106 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
11107 for the parts of an UNSPEC / UNSPEC_VOLATILE.
11109 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
11111 *fixinc/inclhack.def: Add fix development commentary
11112 (read_ret_type): reactivate and add selection clause
11113 (zzz_*): tweak output file name to match what is used in hackshell.tpl
11114 *fixinc/{fixincl.x|inclhack.sh}: regen
11116 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
11118 * expr.c (expand_expr): STRIP_NOPS before checking against
11119 MAX_INTEGER_COMPUTATION_MODE
11120 (check_max_integer_computation_mode): Likewise.
11122 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
11124 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
11126 1999-06-22 Jim Wilson <wilson@cygnus.com>
11128 * expr.c (store_expr): When target is a promoted subreg, return a
11129 promoted subreg as a result.
11131 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
11133 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
11135 (dwarf2out_define): Mark unused parameters appropriately.
11136 (gen_unspecified_parameters_die): Ditto.
11137 (gen_subprogram_die): Fix signed/unsigned warnings.
11138 (gen_variable_die): Ditto.
11140 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
11142 * fixinc/inclhack.def(end_else_label): combined else_label
11143 and endif_label and fixed the sed expression.
11144 *fixinc/{fixincl.x|inclhack.sh}: regen
11146 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
11148 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
11149 'x' when handling non-offsettable addresses
11151 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
11153 * final.c (shorten_branches): Don't try to split an insn that has
11156 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
11158 * config/mips/mips.c (symbolic_expression_p): New function.
11159 (mips_select_rtx_section): Put symbolic expressions in the
11160 data section, not the read-only data section.
11162 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
11164 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
11166 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
11168 * collect2.c (main): Log frame table count.
11169 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
11170 (scan_prog_file) [COFF]: Handle frame tables.
11172 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
11173 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
11174 * alpha/elf.h: Undef them again.
11175 * alpha/vms.h: Remove their definitions.
11177 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11179 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
11180 remove the clobber of r0 and change the REG_UNUSED note to
11183 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
11185 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
11186 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
11187 fits in HOST_WIDE_INT and one uses union to access a long constant
11190 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
11192 * sparc.c (sparc_override_options): Don't allow profiling for
11193 code models other than medlow.
11194 (sparc_function_profiler): New function from old FUNCTION_PROFILER
11195 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
11196 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
11197 (sparc_block_profiler): Likewise.
11198 (sparc_function_block_profiler_exit): Likewise.
11199 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
11200 (FUNCTION_BLOCK_PROFILER): Likewise.
11201 (BLOCK_PROFILER): Likewise.
11202 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
11203 (MCOUNT_FUNCTION): New.
11204 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
11205 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
11206 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
11207 (MCOUNT_FUNCTION): New.
11208 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
11209 (BLOCK_PROFILER): Delete.
11210 (MCOUNT_FUNCTION): New.
11212 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
11214 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
11216 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11218 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11221 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11224 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11227 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11230 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
11232 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
11235 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
11237 * i386/djgpp.h (LIB_SPEC): New.
11238 (STARTFILE_SPEC): New.
11240 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
11242 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
11244 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
11247 * system.h (WSTOPSIG): New macro.
11249 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
11251 * c-pragma.c (push_alignment): Don't ignore alignments greater than
11253 (insert_pack_attributes): Take into account member natural
11256 * i386/winnt.c (exports_head): New static variable.
11257 (i386_pe_record_exported_symbol): New function.
11258 (i386_pe_asm_file_end): Use.
11259 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
11260 symbols to be emitted at end of assembly.
11261 (ASM_DECLARE_OBJECT_NAME): Likewise.
11262 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11264 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
11267 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
11269 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
11272 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
11274 * haifa-sched.c (sched_analyze_1): Use free_list instead of
11275 zapping reg_last_uses directly.
11276 (sched_analyze_2, sched_analyze_insn): Likewise.
11277 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
11279 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
11281 * rs6000.md (movdf_hardfloat32): Use worst case insn length
11282 attributes for cases 1 and 2.
11284 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
11286 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
11289 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
11291 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
11293 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
11295 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
11296 PIC_OFFSET_TABLE_REGNUM for general alloaction.
11297 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
11298 must be stacked if it is used for PIC accesses.
11299 * arm.c (use_return_insn): Handle PIC register specially.
11300 (output_return_instruction): Likewise.
11301 (output_func_{prologue,epilogue}): Likewise.
11302 (output_expand_prologue): Likewise.
11304 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
11305 (*strsi_predec): Renamed from *strqi_predec.
11306 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
11307 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
11309 * arm.c (arm_override_options): Remove warning about PIC code
11310 not being supported.
11312 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
11314 * rs6000.c (find_addr_reg): New function.
11315 * rs6000.h (find_addr_reg): Declare.
11316 (offsettable_addr_operand): Delete.
11317 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
11318 from and stores to GPRs.
11320 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
11322 * alpha.c (alpha_expand_block_move): Use get_insns rather than
11323 gen_sequence as argument to emit_no_conflict_block.
11325 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11327 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
11328 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
11329 *fixinc/fixincl.x: regen
11330 *fixinc/inclhack.sh: regen
11332 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
11334 * added support for -mpcrel (PC relative addressing for m68k)
11335 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
11336 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
11337 * m68k.c (print_operand_address): Handle 32-bit PIC case.
11338 (comments for general_src_operand): Add some explanation
11339 about EXTRA_CONSTRAINTS.
11340 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
11341 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
11342 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
11343 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
11344 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
11345 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
11346 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
11347 if not already set.
11348 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
11349 * m68k.h (TARGET_PCREL): New target flag.
11350 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
11351 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
11352 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
11353 contains a SYMBOL_REF. Relax this constraint during reload, since
11354 we want to use the predicates, not reload's built-in concept of a
11355 valid memory address, to control what insns need reloading.
11356 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
11357 operands (essentially 'g', 'm', and 's' under normal circumstances).
11358 * m68k.c (print_operand): Cause printing of pc-relative addresses
11359 to include pc register.
11360 (print_operand_address): Ditto.
11361 (general_src_operand): Accept operands that are not only
11362 general_operands, but are also valid when used as a pc-relative
11364 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
11365 (memory_src_operand): Similar, for memory_operands.
11366 (pcrel_address): New predicate to accept the special case of a
11367 pc-relative address.
11368 * m68k.md (many patterns): Rewrite common SImode, HImode, and
11369 QImode insns to accept *_src_operand instead of *_operand where
11370 pc-relative operands can fit. For example, a pc-relative operand
11371 can be used as a memory source operand for addsi3, but not as a
11372 memory destination.
11373 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
11375 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
11377 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
11378 .thumb_set pseudo op to mark aliases of thumb functions.
11380 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
11382 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
11383 preference to ASM_OUTPUT_DEF, if it is defined.
11385 * tm.texi: Document new, optional target macro
11386 ASM_OUTPUT_DEF_FROM_DECLS.
11388 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11390 * fixincludes: ISCNTL patch
11391 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
11392 (dgux_int_varargs): new for DG/UX
11393 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
11395 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
11397 * invoke.texi (ia32 options): Fix typo.
11399 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11401 * loop.c (strength_reduce): When doing biv->giv conversion, update
11402 reg note of NEXT->insn.
11404 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
11406 * loop.c (move_movables): Note issues with replacing REGs with
11408 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
11410 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
11412 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
11414 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
11415 the reference to `mcount' was not correct for the ELF on FreeBSD.
11417 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11419 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11422 (recombine_givs): Set ix field after sorting.
11424 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
11426 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
11427 to safe to extract a subword out of a REG.
11429 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11431 * sh.md (mulsi3): Don't add a no-op move at the end.
11433 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11435 * cse.c (cse_insn): Don't put hard register source into tables for
11436 the last insn of a libcall.
11438 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11440 * loop.c (strength_reduce): Insert sets of derived givs at every
11441 biv increment, even if it's the only one.
11443 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
11445 * dwarfout.c (add_incomplete_type): New fn.
11446 (output_type): Call it.
11447 (retry_incomplete_types): New fn.
11448 (dwarfout_finish): Call it.
11450 From Eric Raskin <ehr@listworks.com>:
11451 (output_type): Output types for bases.
11453 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
11455 * mips.c (mips_output_conditional_branch): Add `break'
11456 between `default' label and `close braces'.
11458 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
11460 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
11461 specifications and make it realistic.
11462 (LIB_SPEC): Likewise.
11464 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
11466 * config/mips/mips.c (mips_secondary_reload_class): Check for
11467 (PLUS (SP) (REG)) and return appropriate register class.
11468 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
11469 Handle (PLUS (SP) (REG)).
11470 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
11471 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
11472 of emit_insn for tablejump.
11474 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
11476 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
11477 asm_fprintf format string by itself.
11478 (output_function_profiler): Likewise.
11480 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
11482 * combine.c (simplify_logical, case AND): Only call
11483 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
11484 or the constant is positive.
11486 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
11488 * configure.in: Fix typo in rs6000-ibm-aix4 case.
11489 * configure: Regenerate.
11491 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
11493 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
11494 require a sub-version #.
11495 * configure: Rebuilt.
11497 1999-06-14 Robert Lipe (robertlipe@usa.net)
11499 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
11501 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
11503 * c-typeck.c (process_init_element): Detect excess elements in
11504 char array initializer.
11506 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
11508 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
11510 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
11512 * invoke.texi (Option Summary): Add -fpermissive flag.
11514 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
11516 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
11517 that require PIC code sequences.
11519 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
11521 * configure.in: Add new target: thumb-elf.
11522 * configure: Regenerate.
11523 * config/arm/t-thumb-elf: New file: Makefile fragment for
11525 * config/arm/telf.h: New file: Header file for thumb-elf
11528 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
11530 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
11531 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
11532 initializers is some circumstances.
11534 * fixinc/inclhack.def (endif_label): Add additional selector for
11535 more bogus stuff after #endif statements.
11536 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
11538 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
11540 * i386/cygwin.h (SET_ASM_OP): Define.
11542 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
11544 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
11546 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11548 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
11551 * sh.md (ic_invalidate_line_i): Remove second alternative.
11553 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11555 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
11556 test for the presence of valid prototypes. Delete bypass expr.
11557 (ioctl_fix_ctrl): Correct the selection expression.
11558 (no_double_slash): Correct quoting rules
11559 *fixinc/fixincl.x: regen
11560 *fixinc/inclhack.sh: regen
11562 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
11564 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
11566 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11568 * rs6000.md (movsi_got_internal_mem): Delete.
11569 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
11570 (GOT_TOC_REGNUM): Delete.
11571 (PIC_OFFSET_TABLE_REGNUM): Define.
11572 (FINALIZE_PIC): Disable.
11573 * rs6000.c (rs6000_got_register): New code for fixed pic register.
11574 (rs6000_replace_regno): Delete.
11575 (rs6000_finalize_pic): Likewise.
11576 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
11578 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11580 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
11581 is a note; use <= for the compare; advance P while it is
11584 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
11586 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
11587 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
11589 * varasm.c (remove_from_pending_weak_list): Verify t->name
11590 is non-NULL before passing it to strcmp.
11592 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11594 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
11595 the typed arguments are not part of a comment
11596 (ioctl_fix_ctrl): Added a purpose comment
11597 *fixinc/fixincl.x: regenerate
11598 *fixinc/inclhack.sh: regenerate
11600 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11602 * invoke.texi: Add C4x invocation docs.
11604 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11606 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
11608 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
11610 (c4x_legitimize_reload_address): New function.
11611 * config/c4x/c4x.md: Update docs.
11613 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
11615 * fixincludes: Avoid removing '.'.
11616 * fixinc/fixinc.svr4: Likewise.
11617 * fixinc/fixinc.winnt: Likewise.
11618 * fixinc/inclhack.tpl: Likewise.
11619 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
11621 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11623 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
11625 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
11627 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
11629 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
11632 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
11634 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
11635 * configure: Regenerate.
11637 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
11639 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
11642 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
11644 * fixinc/inclhack.def (avoid_bool): Also catch
11645 "typedef [unsigned] int bool".
11646 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
11648 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
11649 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
11650 * configure: Rebuilt.
11652 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
11654 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
11655 such that we can override its definitions if necessary.
11656 (CPP_SPEC): New define. Support processor specific predefines via
11658 (CC1_SPEC): New define. Support processor specific compiler
11659 options via %(cc1_cpu).
11660 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
11663 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11665 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
11666 between sed's -e flag, and the open-quote following it.
11667 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
11669 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
11670 Jeffrey A Law (law@cygnus.com)
11672 * varasm.c (assemble_start_function): Remove the function
11673 from the pending weak decls list when we define a function.
11674 (assemble_variable): Similarly for variables.
11675 (weak_finish): Ignore items on the list with a NULL name.
11676 (remove_from_ending_weak_list); New function to "remove" an item
11677 from the pending weak declarations list.
11679 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
11681 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
11683 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
11685 * c-lex.c (GETC): Redefine to call getch.
11686 (UNGETC): Redefine to call put_back.
11687 (putback_buffer): New structure type.
11688 (putback): New static structure.
11689 (getch): New function.
11690 (put_back): New function.
11691 (yylex): Replace unused bytes from bad multibyte character.
11693 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
11695 * cpplib.c (do_define): Cast `alloca' return value.
11696 (do_include, do_undef, do_pragma): Likewise.
11697 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
11699 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
11700 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
11702 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
11704 * sparc.md (abstf2): This should be an expand.
11705 (split after abstf2_notv9): Fix mode.
11706 (abstf2_hq_v9): New pattern.
11707 (abstf2_v9): Only use when no hard quad.
11708 (absdf2_v9): Fix if target is not the same as source.
11709 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
11710 Add correct output constraints.
11712 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
11714 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
11715 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
11717 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
11719 * mips.h (mips_output_conditional_branch): New function.
11720 (mips_adjust_insn_length): Likewise.
11721 (ASSEMBLER_SCRATCH_REGNUM): New macro.
11722 (ADJUST_INSN_LENGTH): Likewise.
11723 * mips.c (print_operand): Add `F' and `W' for floating-point
11724 comparison opcodes.
11725 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
11727 (mips_adjust_insn_length): New function.
11728 (mips_output_conditional_branch): New function.
11729 * mips.md (length): Adjust attribute definition to handle
11730 conditional branches. Change lengths to bytes, rather than
11731 instructions throughout. Remove length attribute from
11732 instructions whose length is four bytes, and rely on the default
11734 (dslot): Fix typo in comment.
11735 Reword conditional branch patterns to use
11736 mips_output_conditional_branch.
11738 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11740 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
11741 (LIB_SPEC): Likewise.
11742 Link with -lprof1_r for -g/-pg.
11744 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
11746 * loop.c (check_dbra_loop): Fix change of Jan 19.
11748 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
11750 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
11751 (STARTFILE_SPEC): Define, override the svr4.h version.
11752 (ENDFILE_SPEC): Likewise.
11754 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
11756 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
11757 * fixinc/fixincl.x: Regenerated.
11758 * fixinc/inclhack.sh: Regenerated.
11760 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11762 * sh.c (barrier_align): Don't return early for normal branch/barrier
11763 when optimizing for SH2.
11765 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
11767 * i386/udk.h (LINK_SPEC): Correct linker search path for
11770 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11772 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
11773 (braf_label_ref_operand): Delete.
11774 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
11775 * sh.md (casesi_jump_2): Operand1 is now the inside of a
11776 label_ref, and has no predicate.
11777 The patten has a predicate to guard against invalid substitutions.
11778 (dummy_jump): Delete.
11779 (casesi): Update use of casesi_jump_2.
11781 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11783 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
11784 *fixinc/fixincl.x: regenerate
11785 *fixinc/inclhack.sh: regenerate
11787 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
11789 * dwarf2out.c (add_incomplete_type): New fn.
11790 (gen_struct_or_union_type_die): Call it.
11791 (retry_incomplete_types): New fn.
11792 (dwarf2out_finish): Call it.
11794 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
11796 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
11797 current block starts with a CODE_LABEL and ends with a CALL and
11798 we can not find all the argument setup instructions for the CALL.
11800 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
11802 Revert this change:
11803 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
11804 something is a candidate for optimize_bit_field_compare.
11806 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11808 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
11810 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
11812 * alpha.c (override_options): Thinko in last patch.
11814 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
11815 (LIB_SPEC): Recognize -pthread.
11817 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
11819 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
11820 definition in config/arm/coff.h
11821 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
11823 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11825 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
11826 fixes that need "file=xxx\n" prepended before invocation
11827 (start_fixer - new): starting the fixer process is complex enough
11828 to warrent its own routine. It prepends the "file=xxx\n" stuff.
11829 (process): uses the new routine; omit usage of putenv()
11830 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
11831 * fixinc/fixincl.x: regenerate
11833 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
11835 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
11836 and version #s (1.1 -> 2.96) as needed.
11837 * README.g77: Kill way out of date file in the toplevel directory.
11839 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
11841 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
11842 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
11843 * configure: Rebuilt.
11844 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
11845 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
11846 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
11847 (SWITCH_TAKES_ARG): Likewise.
11848 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
11849 * config/t-freebsd: Moved from config/i386/ so it can used for all
11852 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
11854 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
11856 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
11858 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
11859 * configure: Rebuilt.
11861 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
11863 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
11864 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
11865 * rs6000/rs6000.c (rs6000_file_start): Use putc.
11866 (rs6000_output_load_toc_table): Same.
11867 (output_prolog, output_mi_thunk): Same.
11868 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
11869 (ASM_GLOBALIZE_LABEL): Use putc.
11871 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
11873 * alpha.md (reload_*_help): New patterns and splitters.
11874 (reload_*): Use them.
11875 (mov[qh]i): Likewise.
11877 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
11879 * cccp.c (handle_directive): Handle backslash-newlines in quoted
11882 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
11884 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
11886 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
11888 * flow.c (mark_regs_live_at_end, insn_dead_p,
11889 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
11890 and HARD_FRAME_POINTER_REGNUM special treatment if reload
11891 hasn't run or the frame pointer is needed.
11892 * haifa-sched.c (attach_deaths): Likewise.
11893 * sched.c (attach_deaths): Likewise.
11895 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
11897 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
11898 calculate_can_reach_end returns nonzero.
11900 * configure.in (native gas tests): Search for an assembler in the
11901 same manner that the installed compiler will.
11902 * configure: Rebuilt.
11903 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
11905 * alias.c (find_base_term): Improve handling of addresses
11906 constructed from binary operations.
11908 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
11910 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
11912 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
11914 * function.h (cleanup_label, frame_offset): Declare.
11915 (tail_recursion_label, tail_recursion_reentry): Likewise.
11916 (arg_pointer_save_area, rtl_expr_chain): Likewise.
11917 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
11918 (tail_recursion_label, tail_recursion_reentry): Likewise.
11919 (arg_pointer_save_area, rtl_expr_chain): Likewise.
11921 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
11923 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
11925 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
11926 (MAX_OFILE_ALIGNMENT): Define.
11928 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
11930 * fixincl.c: Replace local include scheme with #includes of
11931 gansidecl.h and system.h.
11932 * procopen.c: Likewise.
11933 * server.c: Likewise.
11935 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
11937 * i386/t-dgux (EXTRA_PARTS): Add crti.o
11938 (crti.o): Add build rule and dependencies.
11939 * fixinc/fixinc.dgux: Use modified _int_varargs.h
11941 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11943 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
11944 (LIB_LINUX_SPEC): Likewise.
11945 (LIB_LINUX_SPEC): Add support for -pthread
11946 (CPP_OS_LINUX_SPEC): Likewise.
11947 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
11950 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
11952 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
11954 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
11955 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
11956 for IEEE math and CC_FCOMI.
11957 (put_jump_code): No IEEE if CC_FCOMI is set.
11959 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
11961 * fold-const.c (fold_truthop): Make the field reference unsigned
11962 when converting a single bit compare.
11964 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11966 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
11968 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
11970 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
11971 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
11974 * reload.c (push_reload): Do not call remove_address_replacements
11975 when presented with identical optional reloads.
11977 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
11979 * alpha.h (MASK_FIX, TARGET_FIX): New.
11980 (MASK_*): Reorganize constants.
11981 (CPP_AM_FIX_SPEC): New.
11982 (TARGET_SWITCHES): Add FIX.
11983 (EXTRA_SPECS): Likewise.
11984 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
11985 (SECONDARY_MEMORY_NEEDED): Likewise.
11986 (REGISTER_MOVE_COST): Likewise.
11987 * alpha.c (override_options): Add FIX support. Always use
11988 ALPHA_TP_PROG for ev6.
11989 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
11990 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
11991 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
11993 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
11995 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
11996 something is a candidate for optimize_bit_field_compare.
11998 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
12000 * gcc.texi (Passes): Document branch-shortening.
12001 * invoke.texi (Debugging Options): Document the fact that `-dp'
12002 outputs length information for instructions.
12004 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
12006 * flow.c: Revert previous delta.
12008 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
12010 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
12011 FRAME_POINTER_REGNUM.
12012 (mark_set_1): Ditto.
12013 (mark_used_regs): Ditto.
12015 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
12017 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
12018 (GOT_PCREL): New macro. Define to 1 if not already defined.
12019 * arm/elf.h (GOT_PCREL): Define to 0.
12020 * arm.c (arm_finalize_pic): Take into account the setting of
12023 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
12025 * output.h (STRIP_NAME_ENCODING): Provide default definition.
12026 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
12028 * flow.c (mark_set_1): Do not record BLKmode stores as dead
12029 store elimination candidates.
12031 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
12033 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
12036 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
12038 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
12039 Add use of x-aix41-gld.
12041 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
12043 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
12044 (ASM_OUTPUT_DESTRUCTOR): Define.
12046 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
12048 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
12049 last CODE_LABEL in a loop if we have previously passed a jump
12050 to the top of the loop.
12052 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
12054 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
12055 applying Philip's patch.
12057 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
12059 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
12062 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
12064 * loop.c (strength_reduce): Grow reg_single_usage as needed.
12066 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
12068 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
12069 Also remove a useless comment.
12071 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12073 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
12075 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
12077 * collect2.c (main): Only generate import or export file and add
12078 to link arguments if non-empty. Use xmalloc not alloca.
12079 (write_{export,import}_file): Delete.
12080 (write_aix_file): New function.
12081 (locatelib): Use xmalloc not malloc.
12082 (GCC_OK_SYMBOL): Do not check type if aix64.
12084 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
12086 Based on patch by Scott Bambrough and Pat Beirne:
12087 * config/arm/arm.c (making_const_table): New variable.
12088 * config/arm/arm.h (making_const_table): Declare.
12089 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
12091 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
12092 Keep track of when we are building the constant table.
12094 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
12096 * config/arm/arm.c (arm_override_options): Fix erroneous warning
12099 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
12101 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
12104 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
12106 * tm.texi (FUNCTION_ARG): Correct description of a stack element
12109 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
12111 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
12113 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12115 * rs6000.c (output_mi_thunk): Enable full support again.
12117 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12119 * sh.h (BRANCH_COST): Define.
12121 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
12123 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
12125 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
12127 * function.c (assign_stack_local): Align stack slot propertly.
12128 (assign_outer_stack_local): Likewise.
12130 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
12132 * expr.h (lang_expand_constant): Declare.
12133 * toplev.c (lang_expand_constant): Define it.
12134 * varasm.c (output_constant): Use it.
12136 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12138 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
12139 Change function definitions to K&R style.
12141 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12143 * fixinc/fixincl.c: We must not ignore SIGCLD now.
12145 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
12147 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
12148 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
12149 (several places): omit static initialization
12150 (process): use single fd, since only the read fd is used
12151 * fixinc/gnu-regex.c: define 'const' away, if not supported
12152 * fixinc/procopen.c(several places): omit static initialization
12153 * fixinc/server.c: define 'volitile' away, if not supported
12155 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12157 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
12158 asm_fprintf and %L to generate the label name.
12159 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
12160 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
12162 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
12164 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
12165 insn for a conditional jump can not be found.
12167 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
12169 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
12170 on variables in specific sections other than .sbss and .sdata.
12172 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
12174 * stmt.c (expand_return): Call start_cleanup_deferral and
12175 end_cleanup_deferral around conditional code.
12177 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12179 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
12180 filename lists. Utilizes new "krstr" AutoGen function.
12181 * fixinc/fixincl.x: Rebuilt.
12183 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
12185 * i386.c (output_float_compare): Avoid GNU-C extensions.
12187 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
12189 * version.c: Bump to distinguish mainline tree from the
12192 See ChangeLog.1 for earlier changes.