1 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
3 * arm/thumb.md: Delete.
4 * arm/thumb-protos.h: Delete.
6 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8 Merge changes from merged-arm-thumb-backend-branch onto trunk.
10 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
12 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
15 * arm.md (nop): Use the standard RTL expression. Don't code as a
17 (*arm_nop, *thumb_nop): Delete.
19 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
20 constants. Use casts instead.
21 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
22 output_multi_immediate, arm_poke_function_name): Likewise.
23 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
24 MASK_RETURN_ADDDR): Likewise.
26 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
28 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
31 * arm.md (eh_epilogue): New function.
32 * arm.h (struct machine_function): Move to here ...
33 * arm.c: ... from here.
34 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
35 (thumb_exit): Extra parameter eh_ofs. All callers changed.
36 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
38 2000-03-30 Nick Clifton <nickc@cygnus.com>
40 * config/arm/semi.h (ASM_SPEC): Restore definition.
41 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
43 * config/arm/elf.h (ASM_SPEC): Restore definition.
44 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
46 * config/arm/arm.h (ASM_SPEC): Remove definition.
47 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
49 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
51 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
53 2000-03-24 Nick Clifton <nickc@cygnus.com>
55 Various formating tidyups, elimination of compile time
56 warnings and synchronisation with internal sources:
58 * config/arm/arm-protos.h (assemble_align): Add prototype.
59 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
60 (gen_comapre_reg): Rename to arm_gen_compare_reg.
61 (arm_return_addr_rtx): Rename to arm_return_addr.
63 * config/arm/arm.c: Include except.h.
64 Define shorter typenames for strict minipool_node and struct
66 (arm_return_in_memory): For WinCE return all structures <= 32 bits
68 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
69 (gen_comapre_reg): Rename to arm_gen_compare_reg.
71 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
73 (ASM_SPEC): Define if not already defined.
74 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
76 * config/arm/arm.md: Rename references to gen_rotated_half_load to
77 arm_gen_rotated_half_load, and references to gen_comapre_reg to
79 (indirect_jump): Only accept register operands.
80 (load_indirect_jump): Keep this pattern since combine can generate
83 * config/arm/coff.h: Include aout.h.
84 (MULTILIB_DEFAULTS): Only define if not already defined.
86 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
87 into arm.h (so that COFF ports can support thumb based aliases).
88 (ASM_SPEC): Move definition into arm.h
90 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
92 (ASM_SPEC): Move definition to arm.h
94 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
96 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
97 for entries in the .bss section
99 2000-03-23 Nick Clifton <nickc@cygnus.com>
101 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
102 to thumb_far_jump_used_p.
104 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
105 single integer parameter.
107 * config/arm/arm.c (struct machine_function): Add two new
108 fields, 'far_jump_used' and 'arg_pointer_live'.
109 (thumb_far_jump_used_p): Once the decision has been made that
110 far jumps might be used, always return true.
111 If being called from the initial elimination offset macro then
112 do not bother to perform the test if the arg pointer is not
114 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
115 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
117 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
119 * arm.c (output_return_instruction): Handle more cases where we can
120 return from a function with an ldr instruction.
121 (arm_output_epilogue): Likewise.
123 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
124 if we need to push a large stack frame and there are no callee-saved
127 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
128 in ARM code if the frame pointer has been eliminated.
130 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
131 unspec_volatile arguments to avoid duplicates.
132 (consttable_1, consttable_2): Fixes for big-endian mode.
134 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
137 Re-write constant pool code.
138 * arm.c (minipool_node, minipool_fix): New types.
139 (minifix): Delete type.
140 (arm_add_minipool_constant): Delete.
141 (arm_compute_minipool_offsets, arm_find_barrier,
142 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
143 (get_jump_table_size): Now returns HOST_WIDE_INT.
144 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
146 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
147 (assign_minipool_offsets, arm_print_value): Likewise.
148 (dump_minipool): Rewrite.
149 (arm_barrier_cost): New function.
150 (create_fix_barrier): New function.
151 (push_minipool_barrier): New function.
152 (push_minipool_fix): Record additional information about the fixup
154 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
155 check the mode of what needs fixing.
156 (arm_reorg): Rewrite.
158 2000-03-08 Nick Clifton <nickc@cygnus.com>
160 * config/arm/arm.md (indirect_jump): Force constant addresses into
163 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
165 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
167 2000-02-24 Nick Clifton <nickc@cygnus.com>
169 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
170 adjust is word aligned.
171 (thumb_expand_epilogue): Make sure that stack adjust is word
174 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
176 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
178 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
179 pointer relative addresses.
181 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
183 * arm.c (find_barrier): Find the last barrier within the allowed
186 2000-02-09 Nick Clifton <nickc@cygnus.com>
188 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
190 2000-02-09 Nick Clifton <nickc@cygnus.com>
192 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
193 ARM_FUNCTION_PROFILER.
195 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
196 ARM_FUNCTION_PROFILER.
198 * config/arm/linux-oldld.h: Imported from mainline sources.
200 2000-02-07 Nick Clifton <nickc@cygnus.com>
202 * config/arm/lib1funcs.asm: Merge in thumb functions from
205 * config/arm/lib1thumb.asm: Delete.
207 2000-02-04 Nick Clifton <nickc@cygnus.com>
209 * config/arm/arm.c: Sychronised with current Red hat local
211 * config/arm/arm.h: Ditto.
212 * config/arm/arm-protos.h: Ditto.
214 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
216 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
218 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
221 2000-02-02 Nick Clifton <nickc@cygnus.com>
223 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
225 * config/arm/arm.md (epilogue): Fix rtl checking abort because
226 (return) was emited using an emit_insn() call.
228 2000-01-31 Nick Clifton <nickc@cygnus.com>
230 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
232 (thumb_exit): Move frame pointer back into hard frame pointer
233 register if backtracing is being used.
235 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
237 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
240 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
242 * config/arm/arm.md (neg_pool_offset): Provide default for new
244 (arm_movsi_insn): Add neg_pool_offset attribute.
245 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
246 rtx for the insn that starts the scan and an unsigned long for its
247 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
248 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
249 instructions in *PINSERTED.
250 (struct minipool_fixup): Add MIN_ADDRESS elt.
251 (sort_fixups): Compute it.
252 (arm_reorg): Changes to support inserting pools before the insn to be
255 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
257 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
258 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
259 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
261 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
263 * config/arm/semi.h (TARGET_VERSION): Do not define if already
265 (TARGET_DEFAULT): Do not define if already defined.
267 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
269 * config/arm/arm.md (anddi3): Allow disjoint source operands.
270 (iordi3): Allow disjoint source operands.
271 (xordi3): Allow disjoint source operands.
272 (negdi2): Permit construction for ARM and Thumb.
273 (arm_negdi2): Renamed version of old negdi2 pattern.
274 (thumb_negdi2): New pattern: Only permit non-overlapping
275 source and destination.
277 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
279 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
280 scratch low register so that it will not be deleted.
282 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
284 * config/arm/pe.h (ARM_PE): Define.
286 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
287 interfacearm attribute if this is a PE toolchain.
288 (output_return_instruction): Do not emit anything if the function
289 has the naked attribute set.
290 (is_called_in_ARM_mode): If the function has the interfacearm
291 attribute then return true.
292 (thumb_expand_prologue): Do not generate a prologue for naked
294 (thumb_expand_epilogue): Do not generate an epilogie for a naked
296 (output_thumb_prologue): Do not bother if the function is naked.
297 Strip PE encoding from function name before emitting.
299 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
301 * arm.md (pic_load_addr): Fix constraints.
303 * arm.md (casesi_insn): Fix mis-applied patch.
305 * arm.md ("core" function unit): Add rules for single- and
307 (All TARGET_THUMB patterns): Add "type" attribute information
309 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
310 the following insn is a CALL.
312 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
314 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
315 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
316 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
318 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
320 * config/arm/linux-gas.h: oops - this file was missed out when the
321 branch was created...
323 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
325 * thumb.c: Deleted. Move contents to ...
327 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
329 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
332 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
333 declare a prototype for asm_output_align();
335 * arm.c (thumb_condition_code): Delete.
336 (arm_print_operand): Always use arm_condition_code array.
338 * arm.c (thumb_return_addr_rtx): Delete.
339 (arm_save_machine_status, arm_restore_machine_status): Delete.
340 (arm_init_machine_status, arm_mark_machine_status): New functions.
341 (arm_init_expanders): Update accordingly.
342 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
343 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
344 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
346 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
348 * configure.in : Fix arm-*-aout target to use new t-arm-aout
350 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
353 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
355 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
356 stack backtrace structure.
358 * config/arm/arm-protos.h: Add prototypes for functions defined in
361 * config/arm/arm.c (arm_override_options): Fix selection of
362 attributes of default processor.
364 * config/arm/coff.h: Delete needless #include.
366 * config/arm/pe.c: Delete unused code.
368 * config/arm/pe.h (CPP_DEFINES): Delete
369 (SUBTARGET_CPP_SPEC): Define.
370 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
372 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
374 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
376 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
378 (CAN_DEBUG_WITHOUT_FP): Define.
379 (FIXED_REGISTERS): Make r11 call-saved.
380 (CALL_USED_REGISTERS): Likewise.
381 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
382 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
383 frame-pointer is required.
384 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
385 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
386 if the target normally needs a stack frame in non-leaf functions.
387 (use_return_insn): Correct logic for determining when a return
388 instruction can be used.
389 (output_return_instruction): Handle the frame-pointer register as
390 a normal register when not TARGET_APCS_FRAME.
391 (arm_output_prologue): Likewise.
392 (arm_output_epilogue): Likewise.
393 (output_func_epilogue): Likewise.
394 (arm_expand_prologue): Likewise.
395 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
397 * arm.c (use_return_insn): No need to check floating point regs if
399 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
400 the code of value stored in the minipool array.
401 (arm_add_minipool_constant): Likewise.
403 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
405 * basic-block.h (conflict_graph_enum_fn): K&R fix.
407 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
409 * tree.c (tree_expr_nonnegative_p): New function.
411 * tree.h (tree_expr_nonnegative_p): Declare.
413 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
414 elide some sign_compare warnings.
415 (build_conditional_expr): Likewise.
417 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
419 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
421 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
422 * i386.c (print_operand): Use the proper suffix for a 387 HImode
423 operand. Abort if a 387 operand has an unsupported size.
425 2000-04-08 Neil Booth <NeilB@earthling.net>
427 * cppexp.c (parse_charconst): Null does not end character
429 * cppinit.c (ISTABLE): Null character handled as whitespace.
430 * cpplex.c (null_warning): new function.
431 (skip_string): Emit warning if nulls encountered.
432 (_cpp_skip_hspace): Emit warning if nulls encountered.
433 (_cpp_lex_token): Emit warning if nulls encountered. Drop
437 2000-04-07 Richard Henderson <rth@cygnus.com>
439 * flow.c (loop_depth): Remove.
440 (reg_next_use, cc0_live, mem_set_list): Replace with ...
441 (struct propagate_block_info): New.
442 (life_analysis): Don't allocate reg_next_use.
443 (propagate_block_delete_insn): Break out of propagate_block.
444 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
445 (propagate_block_delete_libcall): Likewise.
446 (propagate_block): Create a propagate_block_info struct to pass
447 to subroutines. Allocate one not two temporary regsets. Don't
448 clobber memory for const calls. Look for clobbers in
449 CALL_INSN_FUNCTION_USAGE.
450 (mark_set_regs): Recognize COND_EXEC.
451 (mark_set_reg): Break out of mark_set_1.
452 (mark_used_reg): Break out of mark_used_regs.
453 (mark_used_regs): Recognize COND_EXEC.
454 (insn_dead_p): Use propagate_block_info struct.
455 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
456 (find_auto_inc, try_pre_increment_1): Likewise.
457 (print_rtl_with_bb): Dump regs live at end too.
458 (count_reg_sets_1): Pass in loop_depth.
459 (count_reg_sets, count_reg_references): Likewise.
460 (recompute_reg_usage): Provide it.
462 2000-04-07 Richard Henderson <rth@cygnus.com>
464 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
467 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
469 * cpplib.c (do_elif): Skip the rest of the line if we're
470 not going to bother evaluating it.
471 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
472 to avoid pointless calls to the lexer.
474 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
476 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
478 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
480 * calls.c (expand_call): emit_queue if we're trying a sibcall.
482 2000-04-07 Jakub Jelinek <jakub@redhat.com>
484 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
486 2000-04-06 Geoff Keating <geoffk@cygnus.com>
488 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
489 crtend so they can be multilibbed.
490 (STAGESTUFF): Remove s-crt and s-crtS.
492 2000-04-07 Richard Henderson <rth@cygnus.com>
494 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
495 if we discover we need a pseudo and no_new_pseudos is true.
496 * config/alpha/alpha.md (ne:DI insn): New.
497 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
499 2000-04-07 Richard Henderson <rth@cygnus.com>
501 * rtl.def (COND_EXEC): New.
502 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
503 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
505 * genconfig.c (have_cond_arith_flag): Remove.
506 (have_cond_exec_flag): New.
507 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
508 (main): Print HAVE_conditional_execution.
510 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
511 (sched_analyze_insn, print_pattern): Likewise.
512 * reload.c (find_equiv_reg): Likewise.
513 * rtlanal.c (reg_referenced_p): Likewise.
514 (note_stores, dead_or_set_regno_p): Likewise.
515 (reg_overlap_mentioned_p): Rewrite to use a switch.
517 * ggc.h (struct rtx_def): Forward declare.
519 * print-rtl.c (debug_rtx_range): New.
520 * rtl.h (debug_rtx_range): Declare.
522 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
524 * gcse.c (gcse_main): Don't rebuild the CFG here.
525 (delete_null_pointer_checks): Likewise.
526 * ssa.c (convert_to_ssa): Likewise.
527 * toplev.c (rest_of_compilation): Do it here instead. Combine
528 sequential calls to TIMEVAR. Consistently use `insns' instead of
529 `get_insns()'. Always split insns after reload when optimizing.
531 * basic-block.h (merge_blocks_nomove): Declare.
532 (tidy_fallthru_edge): Declare.
533 * flow.c (merge_blocks_nomove): Document as merging into previous
534 blocks. Remove cruft from between blocks; remove all edges out of A.
535 (tidy_fallthru_edge): Export.
537 2000-04-06 Alex Samuel <samuel@codesourcery.com>
539 * ssa.c (compute_conservative_reg_partition): Declare with
541 * toplev.c (clean_dump_file): Remove previously-deleted function
542 inadvertantly merged back in.
543 * conflict.c (conflict_graph_add): Use a single call to
544 htab_find_slot to look up and insert.
546 2000-04-06 Richard Henderson <rth@cygnus.com>
548 * genrecog.c (*): Rename _last_insn to last_insn.
549 (make_insn_sequence): Set the position of the peephole2 C test
550 to be at the last insn.
552 2000-04-06 Richard Henderson <rth@cygnus.com>
554 * flow.c (compute_flow_dominators): Free worklist.
556 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
558 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
560 2000-04-06 Alex Samuel <samuel@codesourcery.com>
562 * rtl.h (INSN_P): New macro.
563 (successor_phi_fn): New typedef.
564 (for_each_successor_phi): New prototype.
565 (in_ssa_form): New variable.
566 (PHI_NODE_P): Likewise.
567 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
568 phi nodes in successors.
569 (mark_used_regs): Add PHI case.
570 (set_phi_alternative_reg): New function.
571 (life_analysis): Assert that dead code elimination is not selected
573 * toplev.c (to_ssa_time): New variable.
574 (from_ssa_time): Likewise.
575 (compile_file): Zero to_ssa_time and from_ssa_time.
576 Print time to convert to and from SSA.
577 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
578 (print_time): Compute percent fraction as integer.
579 * ssa.c (PHI_NODE_P): Moved to rtl.h.
580 (convert_to_ssa): Check if we're already in SSA.
581 Don't eliminate dead code in life_analysis.
582 Rerun flow and life analysis at bottom.
583 (eliminate_phi): Use canonical regnos when adding nodes.
584 (mark_reg_in_phi): New function.
585 (mark_phi_and_copy_regs): Likewise.
586 (convert_from_ssa): Rerun life analysis at top.
587 Use coalesced partition.
588 Check for removing a phi node at the end of the block.
589 (compute_coalesced_reg_partition): New function.
590 (coalesce_regs_in_copies): Likewise.
591 (coalesce_reg_in_phi): Likewise.
592 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
593 (for_each_successor_phi): Likewise.
594 (rename_context): New struct.
595 (rename_block): Use a rename_context with rename_insn_1. When
596 renaming sets of a subreg, emit a copy of the entire reg first.
597 (rename_insn_1): Treat data as a rename_context *. Save current
599 (rename_set_data): Add field set_insn.
600 * Makefile.in (HASHTAB_H): Move up in file.
601 (OBSTACK_H): New macro.
602 (collect2.o): Use OBSTACK_H in dependencies.
603 (sdbout.o): Likewise.
604 (emit-rtl.o): Likewise.
605 (simplify-rtx.o): Likewise.
606 (fix-header.o): Likewise.
607 (OBJS): Add conflict.o.
608 (conflict.o): New rule.
609 * basic-block.h: Include partition.h.
610 (conflict_graph): New typedef.
611 (conflict_graph_enum_fn): Likewise.
612 (conflict_graph_new): New prototype.
613 (conflict_graph_delete): Likewise.
614 (conflict_graph_add): Likewise.
615 (conflict_graph_conflict_p): Likewise.
616 (conflict_graph_enum): Likewise.
617 (conflict_graph_merge_regs): Likewise.
618 (conflict_graph_print): Likewise.
619 (conflict_graph_compute): Likewise.
620 * conflict.c: New file.
622 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
624 * tlink.c (read_repo_files): Don't look for .rpo info for
627 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
629 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
631 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
633 * config/sh/lib1funcs.asm (___udivsi3_i4):
634 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
635 only depends on FMOVD_WORKS.
637 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
639 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
640 make double constant 8-byte aligned.
642 2000-04-06 Jakub Jelinek <jakub@redhat.com>
644 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
645 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
646 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
647 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
648 Accept storing GENERAL_REGS into offsetable memory.
649 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
650 building a TFmode constant other than 0.0L into GENERAL_REGS.
652 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
654 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
656 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
658 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
659 (macro_cleanup): No need to cast pbuf->macro.
660 (collect_expansion): Use _cpp_get_define_token. Goto done if
661 it returns VSPACE. Remove check for trailing space after
663 (_cpp_create_definition): Don't diddle flags here. Return
665 (unsafe_chars): Handle c1 being EOF.
666 (push_macro_expansion): Use unsafe_chars for both accidental-paste
667 checks. Don't push the buffer till after we're done with
669 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
670 (PEEKN, FORWARD, GETC, PEEKC): Use them.
671 (cpp_push_buffer): Don't set new->alimit. Set new->mark
673 (_cpp_parse_assertion): Don't NUL terminate.
674 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
675 hspace before calling _cpp_parse_assertion. Remove all sets
676 of only_seen_white. Treat '\f' as hspace. Don't do anything
677 special with '\n' here.
678 (maybe_macroexpand): Handle T_EMPTY hash entries without
679 pushing a buffer at all.
680 (cpp_get_token): Handle clearing only_seen_white here. Handle
681 incrementing the line number here. Clear
682 potential_control_macro as well as only_seen_white, if
684 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
685 (_cpp_get_define_token): New function, basically like
686 _cpp_get_directive_token was but doesn't eat horizontal space.
687 Don't do anything with only_seen_white here.
688 (_cpp_get_directive_token): Just call _cpp_get_define_token
689 repeatedly till it returns non-hspace.
691 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
692 (conditional_skip, skip_if_group): Return int.
693 (DIRECTIVE_TABLE): Change origin of all conditional directives
695 (TRAD_DIRECT_P): New macro.
696 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
697 an error for a bogus directive, unless -lang-asm. Use
698 TRAD_DIRECT_P. Loop calling handler functions till one returns
700 (get_macro_name): Don't diddle flags here.
701 (do_define): Diddle flags here. Use _cpp_get_directive_token.
702 Create T_EMPTY nodes for #define macro /* nothing */.
703 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
704 Use hp->name when calling pass_thru_directive.
705 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
706 Return the result of conditional_skip and/or skip_if_group.
707 Don't call _cpp_output_line_command.
708 (consider_directive_while_skipping): Use _cpp_get_directive_token.
709 Issue -Wtraditional warnings as appropriate. Don't complain
710 about unrecognized directives. If we are to stop skipping,
711 return the number of the directive that ended the skip.
712 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
713 expansion and line commands while skipping. Return the result
714 of consider_directive_while_skipping, if nonzero.
715 (do_endif): Just set potential_control_macro here.
716 (validate_else): Use _cpp_get_directive_token.
717 (do_assert, do_unassert): Don't save pointers into the
718 token_buffer across calls to the lexer. Use
719 _cpp_get_directive_token.
721 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
722 pointer, not an offset. Replace 'data', which was a generic
723 pointer, with 'macro', which points to a struct hashnode.
724 (cpp_reader): Add 'potential_control_macro' pointer.
725 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
726 (CPP_BUF_GET, CPP_FORWARD): Delete.
727 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
728 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
729 ACTIVE_MARK_P): Update.
730 (_cpp_get_define_token): New internal function.
731 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
733 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
735 * configure.in: And here.
736 * configure: Regenerate.
737 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
738 --enable-libstdcxx-v3 is passed at configure time.
739 * config.h.in: Regenerate.
741 2000-04-05 Mark Mitchell <mark@codesourcery.com>
743 * final.c (final): Use xcalloc to allocate line_note_exists.
744 * function.c (free_after_compilation): Free the temp_slots.
745 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
746 (combine_temp_slot): Free temp_slots when they get combined.
747 (purge_addressof): Fix typo in comment.
748 * stmt.c (mark_goto_fixup): Mark the fixup itself.
749 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
751 * ggc.h: Include varray.h.
752 (ggc_pending_trees): Declare.
753 (ggc_mark_tree_children): Remove declaration.
754 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
755 * ggc-common.c (ggc_pending_trees): New variable.
756 (ggc_mark_roots): Call ggc_mark_trees.
757 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
758 the ggc_pending_trees.
759 * Makefile.in (GGC_H): New variable. Use it throughout in place
762 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
764 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
767 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
769 * sh.c (sh_insn_length_adjustment): New function.
770 * sh-protos.h (sh_insn_length_adjustment): Declare.
771 * sh.h (ADJUST_INSN_LENGTH): Use it.
773 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
775 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
776 from the insn where REG_RETVAL is added.
777 (emit_no_conflict_block): Ditto.
779 * md.texi (Standard Names): Clarify when movX is needed.
781 * combine.c (simplify_comparison) [MINUS]: Do not replace
782 all (op (minus A B) 0) with (op A B).
784 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
785 J"orn Rennecke <amylaar@cygnus.co.uk>
787 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
788 (block_lump_real): Likewise.
790 2000-04-05 Chris Demetriou <cgd@netbsd.org>
792 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
793 remaining non-zero debugging masks.
795 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
797 * basic-block.h (verify_flow_info): Declare.
798 (flow_loop_outside_edge_p): Declare.
799 * flow.c (verify_flow_info): Remove declaration.
800 (clear_log_links, flow_loop_outside_edge_p): Likewise.
802 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
804 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
807 2000-04-05 Jakub Jelinek <jakub@redhat.com>
809 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
810 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
811 seqdi_zero_trunc+1): Allow splits only if registers are
814 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
816 * acconfig.h: Add HAVE_GAS_HIDDEN.
817 * config.in: Regenerated.
818 * configure.in: Add test for .hidden pseudo-op in gas.
819 * configure: Regenerated.
820 * crtstuff.c: Include auto-host.h.
821 Emit additional .hidden pseudo-op for __dso_handle if the
822 assembler knows about it.
824 2000-04-04 Philippe De Muyter <phdm@macqel.be>
826 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
827 before freeing argnames.
828 * cpplib.c (do_ifndef): Cast return value of xstrdup.
830 2000-04-05 Michael Meissner <meissner@redhat.com>
832 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
833 Walton <jonboy@gordian.com> to make memory references with update
834 work wtih -mregnames.
836 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
838 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
839 (regrename_optimize): Rename variables `def_uses' and
840 `ext_basic_blocks' to avoid conflicts with similarly named
841 typedefs in traditional C.
843 * calls.c (initialize_argument_information): Fix typo in previous
846 2000-04-04 Richard Henderson <rth@cygnus.com>
848 * regrename.c (consider_available): Test fixed_regs not
849 PIC_OFFSET_TABLE_REGNUM.
851 2000-04-04 Geoff Keating <geoffk@cygnus.com>
853 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
855 (CRTSTUFF_T_CFLAGS_S): Delete definition.
856 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
857 (ENDFILE_LINUX_SPEC): Always use crtend.
858 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
859 (powerpc-*-linux-gnu): Likewise.
860 * configure: Regenerate.
862 * config/rs6000/eabi.h: Don't include sysv4.h.
863 (MULTILIB_DEFAULTS): Don't define.
864 * config/rs6000/eabiaix.h: Don't include eabi.h.
865 * config/rs6000/eabile.h: Delete.
866 * config/rs6000/eabilesim.h: Delete.
867 * config/rs6000/eabisim.h: Don't include eabi.h.
868 * config/rs6000/linux.h: Don't include sysv4.h.
869 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
870 (MULTILIB_DEFAULTS): Don't redefine.
871 * config/rs6000/rtems.h: Don't include eabi.h.
872 * config/rs6000/sol2.h: Don't include sysv4le.h.
873 * config/rs6000/sysv4le.h: Don't include sysv4.h.
874 * config/rs6000/t-ppc: Delete.
875 * config/rs6000/t-ppcgas: Correct comment.
876 * config/rs6000/t-ppcos: Correct comment. Don't build
877 multilibs for -fPIC, rather use -fPIC -mstrict-align
879 * config/rs6000/t-ppc: Delete.
880 * config/rs6000/vxppc.h: Don't include sysv4.h.
881 * config/rs6000/vxppcle.h: Delete.
882 * configure.in: Use multiple header files for p2pc ELF targets
883 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
884 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
885 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
886 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
887 always available for these platforms.
889 2000-04-04 Richard Henderson <rth@cygnus.com>
891 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
893 2000-04-04 Stan Cox <scox@cygnus.com>
895 * Makefile.in: Add rules for regrename.o
896 * regrename.c: New file.
897 * rtl.h (regrename_optimize): Add prototype.
898 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
899 (compile_file, decode_d_option): Add support for -frename-registers.
900 (rest_of_compilation): Call regrename_optimize.
901 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
904 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
906 * Makefile (gccbug): New target.
908 * gcc.texi (Bugs): Link subnodes.
910 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
911 Document severities, priorities, and classes in bug form.
913 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
915 * cpplex.c (trigraph_map, speccase): Combine into single
917 (NORMAL, NONTRI): New macros.
918 (_cpp_read_and_prescan): Change to use unified table. Use
919 is_hspace to test for whitespace.
921 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
922 definition that doesn't provoke the "empty body in an
923 if-statement" warning.
925 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
927 * builtins.c (expand_builtin_strlen): Force the source to
930 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
932 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
934 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
936 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
937 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
938 (ECF_IS_CONST): Rename to ECF_CONST.
939 (special_function_p): Make static, change interface.
940 (flags_from_decl_or_type, try_to_integrate): Break out from ...
941 (expand_call) ... here; convert number of variables to flags.
942 (emit_library_call_vlue_1): Likewise.
943 (setjmp_call_p): New function.
944 (initialize_argument_information): Accepts flags as argument;
946 (precompute_arguments): Likewise.
947 * tree.h (special_function_p): Remove.
948 (setjmp_call_p): Add prototype.
950 2000-04-04 Jakub Jelinek <jakub@redhat.com>
952 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
953 so that addresses are offsetable by up to 16 bytes.
954 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
955 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
958 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
959 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
960 (movsf): Don't force any constant to memory if target is integer
962 Move fp_zero_operand check below the const0_rtx check.
963 (movtf): Likewise. Also allow fp_zero_operand for stores into
965 (movdf): Likewise. Also allow fp_zero_operand for stores into
966 memory and into integer hard registers.
967 (clear_df, clear_dfp, movdf_const_intreg_sp32,
968 movdf_const_intreg_sp64): Remove.
969 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
971 (movdf_no_e_insn_v9_sp32): New pattern.
972 (movdf_insn_v9only): Remove.
973 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
974 (movdf_insn_sp64): Remove.
975 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
976 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
977 (following splits): Rewrite conditions. Add two new splits
978 for storing 0.0 into memory and registers.
979 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
980 (movtf_insn_sp32): Redo constraints and conditions.
981 (movtf_insn_vis_sp32): New pattern.
982 (movtf_no_e_insn_sp32): Redo constraints and conditions.
983 (movtf_insn_hq_sp64): Likewise.
984 (movtf_insn_hq_vis_sp64): New pattern.
985 (movtf_insn_sp64): Redo constraints and conditions.
986 (movtf_insn_vis_sp64): New pattern.
987 (movtf_no_e_insn_sp64): Redo constraints and conditions.
988 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
990 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
991 -mvis or -m64 to take down the number of various reload patterns.
993 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
995 * pa/pa-64.h: New file.
996 * pa/pa64-regs.h: New file.
997 * pa/pa64-start.h: New file.
998 * pa/t-pa64: New file.
999 * pa/xm-pa64hpux.h: New file.
1001 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1003 * sparc.c (output_restore_regs): Prototype.
1004 (sparc_emit_float_lib_cmp): Constification.
1006 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
1008 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
1011 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
1012 (get_value_hash, hash_rtx): Likewise.
1014 * ssa.c (compute_conservative_reg_partition): Prototype.
1016 * tree.c (mark_hash_entry): Prototype.
1018 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
1020 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
1021 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
1022 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
1024 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
1025 * objc/lang-specs.h: Likewise.
1027 2000-04-03 Neil Booth <NeilB@earthling.net>
1029 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
1030 and SYNTAX_ERROR2. Replace `' in messages with ''.
1031 (op_to_str): Make re-entrant.
1032 (_cpp_parse_expr): Implement new error macros. Use | rather
1033 than || to logically or 2 boolean integers. Simply expression
1034 checking we have a left operand iff needed.
1036 2000-04-03 Nick Clifton <nickc@cygnus.com>
1038 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
1040 2000-04-03 Philip Blundell <philb@gnu.org>
1042 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
1044 2000-04-03 Felix Lee <flee@cygnus.com>
1046 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
1047 (run_shell): Use it.
1049 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
1051 * Makefile.in (stmp-int-hdrs): Make include subdir here...
1052 (stmp-fixproto): ...rather than here.
1054 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
1056 * pa.c (print_operand): Compute 'base' only inside the code paths
1059 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
1061 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
1064 2000-04-03 Philipp Thomas <pthomas@suse.de>
1066 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
1068 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
1070 * Makefile.in (alias.o): Depend on $(TREE_H).
1072 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
1074 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
1076 * cpplib.c (_cpp_handle_directive): Improve warnings for
1077 traditional C and indented directives.
1079 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
1080 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
1081 fixinc/inclhack.def: Indent the # of #include_next one space.
1082 * cp/rtti.c: Un-indent #if and #endif.
1084 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
1085 syntax error, but an error has already been printed.
1086 * cpplex.c (_cpp_parse_assertion): Give a more specific error
1087 message when called with nothing remaining on the line.
1088 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
1089 OTHER token, not an ASSERTION.
1090 * cpplib.c (do_assert): When we create a 'base' node, clear
1091 its aschain pointer.
1093 2000-04-02 Neil Booth <NeilB@earthling.net>
1095 * cppexp.c: New typedef op_t. struct operation and struct
1096 token updated to use it.
1097 (op_to_str): New function.
1098 (_cpp_parse_expr): Error messages modified to use op_to_str.
1100 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1102 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
1103 before checking MUST_PASS_IN_STACK.
1105 2000-04-02 Neil Booth <NeilB@earthling.net>
1107 * cppexp.c: New FINISHED dummy token. Combine operator initial
1108 flags and initial priority into a single constant. New
1109 EQUALITY macro. New operator flag SHORT_CIRCUIT.
1110 (_parse_cpp_expr): Implement new constants. Take left operand
1111 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
1112 parse indicated by reducing FINISHED token. Remove new lines
1113 from cpp_error messages.
1115 2000-04-01 Mark Mitchell <mark@codesourcery.com>
1117 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
1120 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
1122 * cpplib.c: Include symcat.h. Add 'origin' field to struct
1123 directive. Add origin values to DIRECTIVE_TABLE. Generate
1124 the strings and function names on the fly. Take the #sccs
1125 entry out of the table if SCCS_DIRECTIVE is not defined.
1126 (_cpp_handle_directive): Decide if the # was at the beginning
1127 of the line here. Issue -pedantic warnings for extended
1128 directives here. Warn about K+R directives with the #
1129 indented, and C89/extended directives with the # not indented,
1131 (do_import, do_include_next, do_warning, do_ident, do_sccs,
1132 do_assert, do_unassert): Don't issue pedantic warning here.
1134 * cpphash.h: Add CPP_WTRADITIONAL macro.
1135 * cpplib.h (struct cpp_options): Rename warn_stringify to
1136 warn_traditional; update comments.
1137 * cppinit.c (handle_option): Set warn_traditional not
1139 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
1140 CPP_WTRADITIONAL (pfile).
1141 * cpplex.c (_cpp_lex_token): Don't decide if directives should
1142 be ignored in -traditional mode here.
1144 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
1145 to initialize speccase[] and trigraph_map[]. Delete all
1146 references to pfile->input_speccase. Always treat '?' as a
1147 special character. Remove table-initialization code from
1148 _cpp_init_input_buffer.
1150 * cpplib.h (struct cpp_reader): Remove input_speccase field.
1151 * cppinit.c (cpp_cleanup): Don't free input_speccase.
1153 2000-04-01 Richard Henderson <rth@cygnus.com>
1155 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
1156 (mostlyclean): Likewise.
1158 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
1159 (struct dump_file_info, enum dump_file_index, dump_file): New.
1160 (open_dump_file): Take a dump_file_index not a suffix, and a decl
1161 not a string. Clean out file if we havn't yet done so. Do nothing
1162 if the dump isn't enabled.
1163 (close_dump_file): Do nothing if the dump isn't open. Dump
1164 graph data if requested.
1165 (dump_rtl, clean_dump_file): Remove.
1166 (compile_file): Don't clean the dump files. Only finalize .bp dump
1167 if flag_test_coverage or flag_branch_probabilities. Only finalize
1168 .combine dump if optimizing. Iterate over dump_file to finalize the
1170 (rest_of_compilation): Update for open_dump_file/close_dump_file.
1171 Convert all uses of dump_rtl.
1172 (decode_d_option): Iterate over dump_file to implement 'a' and to
1173 locate pass-specific dumps.
1175 2000-04-01 Neil Booth <NeilB@earthling.net>
1177 * cppexp.c: Redefine priority constants.
1178 (_cpp_parse_expr): Replace left and right priority scheme with
1179 single priority logic. Move LOGICAL to same place as COMPARE.
1180 Remove bogus check for multiple unary +/- operators.
1182 2000-04-01 Neil Booth <NeilB@earthling.net>
1184 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
1185 within the switch statement. Binary operations break out of
1186 the switch naturally. '(' tokens handled by forcing
1187 immediate shift. ')' handled by forcing immediate reduce to
1188 the previous '('. New error messages.
1190 2000-03-31 Geoff Keating <geoffk@cygnus.com>
1192 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
1193 part', it's already in use. Use %K instead. Add a return at the
1194 end of what is now %K.
1195 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
1197 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1199 * builtins.c (expand_builtin_apply): Pass proper parameters to
1200 allocate_dynamic_stack_space.
1201 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
1202 update stack_pointer_delta; do not update arg_size_so_far.
1203 (compute_argument_block_size): Use stack_delta instead of
1204 stack_pointer_pending and arg_size_so_far.
1205 (expand_call): Add sanity checking for stack_pointer_delta;
1206 save and restore stack_pointer_delta for SIB, use
1207 stack_pointer_delta for alignment; do not update arg_space_so_far.
1208 (emit_library_call_value): Use stack_pointer_delta for alignment.
1209 (store_one_arg): Do not update arg_space_so_far.
1210 * explow.c (adjust_stack, anti_adjust_stack): Update
1211 stack_pointer_delta.
1212 (allocate_dynamic_stack_space): Add sanity checking for
1213 stack_pointer_delta.
1214 * expr.c (init_expr, clear_pending_stack_adjust): Clear
1215 stack_pointer_delta.
1216 (emit_push_insn): Update stack_pointer_delta.
1217 * function.h (struct expr_status): Add x_stack_pointer_delta;
1218 remove x_arg_space_so_far.
1219 (arg_space_so_far): Remove.
1220 (stack_pointer_delta): New macro.
1222 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
1224 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
1225 Reorder struct cpp_options and struct cpp_reader for better
1226 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
1227 takes two args. Change all 'char' flags to 'unsigned char'.
1228 Move show_column flag into struct cpp_options. Don't
1229 prototype cpp_options_init.
1230 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
1231 cppinit.c, cpplex.c, cpplib.c:
1232 Replace CPP_OPTIONS (pfile)->whatever with
1233 CPP_OPTION (pfile, whatever), and likewise for
1234 opts = CPP_OPTIONS (pfile); ... opts->whatever;
1236 * cppinit.c (merge_include_chains): Take a cpp_reader *.
1237 Extract CPP_OPTION (pfile, pending) and work with that
1239 (cpp_options_init): Delete.
1240 (cpp_reader_init): Turn on on-by-default options here.
1241 Allocate the pending structure here.
1242 (cl_options, enum opt_code): Define these from the same table,
1243 kept in a large macro. Add -fshow-column and -fno-show-column
1246 * cpperror.c (v_message): If show_column is off, don't print
1249 * cppmain.c: Update for new interface.
1250 * fix-header.c: Likewise.
1252 2000-03-30 Geoff Keating <geoffk@cygnus.com>
1254 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
1256 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
1257 are passed to any invocation of AR_FOR_TARGET.
1258 (AR_CREATE_FOR_TARGET): New macro.
1259 (AR_EXTRACT_FOR_TARGET): New macro.
1260 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
1261 AR_EXTRACT_FOR_TARGET.
1262 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
1263 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
1264 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
1265 AR_EXTRACT_FOR_TARGET to sub-makes.
1267 2000-03-31 Neil Booth <NeilB@earthling.net>
1269 * cppexp.c: Delete SKIP_OPERAND. Correct priority
1271 (_cpp_parse_expr): Check for multiple unary +/- operators.
1272 Correct priorities of ':' and '?'. Treat ')' as having a
1273 value. Ensure conditional expression is not void.
1275 2000-03-31 Mark Mitchell <mark@codesourcery.com>
1277 * alias.c (canon_rtx): Make it global.
1278 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
1280 * cse.c (struct table_elt): Add canon_exp.
1282 (invalidate): Canonicalize expressions only once.
1283 * rtl.h (canon_rtx): Declare.
1285 2000-03-30 Mark Mitchell <mark@codesourcery.com>
1287 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
1288 * alias.c (reg_known_value): Add comments.
1289 (init_alias_analysis): Likewise.
1290 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
1292 (cse_basic_block): Fix typo in comment.
1293 * emit-rtl.c: Include hashtab.h.
1294 (const_int_htab): New variable.
1295 (const_int_htab_hash): New function.
1296 (const_int_htab_eq): Likewise.
1297 (rtx_htab_mark_1): Likewise.
1298 (rtx_htab_mark): Likewise.
1299 (gen_rtx_CONST_INT): Cache all CONST_INTs.
1300 (unshare_all_rtx): Fix formatting.
1301 (init_emit_once): Initialize const_int_htab.
1302 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
1304 * rtl.texi: Document the fact that all CONST_INTs with the same
1307 2000-03-30 Richard Henderson <rth@cygnus.com>
1309 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
1311 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
1313 * configure.in: Comment out --enable-c-cpplib stanza.
1314 * configure: Regenerate.
1316 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1318 * expr.c (store_constructor): Properly compute displacement and
1319 alignment when offset is variable.
1321 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
1322 cases of alignment in bytes.
1324 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
1326 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
1327 since it is used to generate c-parse.y.
1328 * objc-parse.c, objc-parse.y: Regenerated.
1330 * function.c (expand_function_end): Pass alignment argument to
1331 emit_block_move in bits, not bytes.
1333 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1335 * expr.c (move_by_pieces_ninsns): Fix one more missing align
1338 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
1340 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
1341 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
1342 * function.c (assign_parms): Likewise.
1343 * integrate.c (expand_inline_function): Likewise.
1344 * stmt.c (expand_decl): Likewise.
1345 (copy_rtx_and_substitute): Likewise.
1346 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
1347 (clear_by_pieces): Fix error in last change.
1348 * emit-rtl.c (init_emit): Set known registers alignment in bits.
1349 * function.h (regno_pointer_align): Now unsigned.
1350 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
1352 * config/i386/i386.c (aligned_operand): Likewise.
1353 * config/sparc/sparc.c (mem_min_alignment): Likewise.
1354 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
1355 (unaligned_memory_operand): Likewise.
1356 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
1357 Also make alignments and sizes unsigned and some whitespace cleanup.
1358 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
1360 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
1361 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
1362 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
1363 (expand_builtin_memset): Likewise, but to clear_storage.
1364 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
1365 (restore_fixed_argument_area): Likewise.
1366 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
1367 (load_register_parameters): Likewise, to emit_group_load.
1368 (expand_call): Likewise, to emit_group_store and emit_block_move.
1369 (emit_library_call_value_1): Likewise, to emit_block_move.
1370 (store_one_arg): Likewise, and to emit_push_insn.
1371 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
1372 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
1373 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
1374 (emit_block_move, emit_group_load, emit_group_store): Likewise.
1375 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
1376 (expand_assigment, store_expr, store_constructor_field): Likewise.
1377 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
1378 (store_constructor, store_field, get_inner_reference): Likewise.
1379 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
1380 (expand_expr, case COMPONENT_REF): Likewise.
1381 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
1382 and positions; reindent code.
1383 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
1384 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
1385 (assign_parms): Likewise to emit_group_store.
1386 * optabs.c (prepare_cmp_insn): Alignment is in bits.
1387 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
1388 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
1389 (expand_return): Likewise to {extract,store}_bit_field.
1390 * stor-layout.c (get_mode_alignment): Minor cleanup.
1391 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
1392 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
1394 2000-03-29 Nick Clifton <nickc@cygnus.com>
1396 * config/arm/arm.h: Undo effects of previous delta:
1397 (ASM_SPEC): Do not define.
1398 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
1400 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
1403 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1405 * cppinit.c (cpp_start_read): Call initialize_dependency_output
1406 only after reading in the primary source file.
1408 2000-03-29 Geoff Keating <geoffk@cygnus.com>
1410 * c-common.c (c_common_nodes_and_builtins): The first parameter to
1411 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
1412 or a reference to a va_list.
1413 * builtins.c (stabilize_va_list): Simplify now we don't have to
1414 work around C array address decay.
1415 * c-typeck.c (convert_for_assignment): Handle assignment to
1416 a reference parameter by taking the address of the RHS.
1417 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
1418 (va_copy): Likewise.
1419 (__va_copy): Likewise.
1420 * ginclude/varargs.h (va_start): Likewise.
1421 (__va_copy): Likewise.
1423 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
1425 * i386/djgpp.h: Remove extraneous "+".
1427 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
1429 * calls.c (expand_call): Fix typo in last change.
1431 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
1433 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
1436 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1438 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
1439 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
1440 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
1441 * tree.c (bit_position, byte_position): Likewise.
1442 * tree.h: Declare new functions.
1444 2000-03-29 Nick Clifton <nickc@cygnus.com>
1446 * config/arm/arm.c: Minor formatting changes/
1447 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1449 (ASM_SPEC): Define if not already defined.
1451 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1453 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
1456 2000-03-29 Jakub Jelinek <jakub@redhat.com>
1458 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
1459 value, don't output it as unsigned.
1461 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
1463 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
1465 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1467 * c-common.c (c_common_nodes_and_builtins): Don't special case
1468 cplus_mode when declaring builtin bzero/bcmp, always avoid
1469 prototype arguments.
1471 2000-03-29 Bruce Korb <bkorb@gnu.org>
1473 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
1476 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
1478 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
1479 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
1480 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
1481 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
1482 (save_fixed_argument_area, restore_fixed_argument_area):
1483 conditionize by #ifdef REG_PARM_STACK_SPACE only.
1484 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
1485 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
1486 (precompute_register_parameters): Avoid #ifdefs on
1487 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
1488 (stire_one_args): Likewise.
1489 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
1490 (emit_library_call_value_1): Likewise.
1491 (compute_argument_block_size): Align to STACK_BOUNDARY only for
1492 ACCUMULATE_OUTGOING_ARGS.
1493 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
1495 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
1496 (use_crosses_set_p): Likewise.
1497 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
1498 #define ACCUMULATE_OUTGOING_ARGS 1.
1499 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
1501 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
1503 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
1504 (TARGET_SWITCHES): Add push-args, no-push-args,
1505 accumulate-outgoing-args and no-accumulate-outgoing-args.
1506 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
1507 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
1508 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
1510 (emit_push_insn): Likewise.
1511 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1512 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
1513 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1514 (STACK_DYNAMIC_OFFSET): Define correctly for both
1515 ACCUMULATE_OUTGOING_ARGS and normal mode.
1516 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
1517 * tm.texi (PUSH_ARGS): Document.
1518 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
1520 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
1522 * flags.h (flag_optimize_sibling_calls): Declare.
1523 * calls.c (expand_call): Fail sibcall when
1524 !flag_optimize_sibling_calls
1525 * invoke.texi (flag_optimize_sibling_calls): Document.
1526 * toplev.c (flag_optimize_sibling_calls): New global variable.
1527 (f_options): Add flag_optimize_sibling_calls.
1528 (rest_of_compilation): Conditionize
1529 optimize_sibling_and_tail_recursive_calls by
1530 flag_optimize_sibling_calls.
1531 (main): Set flag_optimize_sibling_calls for -O2.
1532 * stmt.c (expand_return): Conditionize tail recursion by
1533 flag_optimize_sibling_calls.
1535 2000-03-29 Richard Henderson <rth@cygnus.com>
1537 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
1538 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
1540 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
1542 * except.c (add_eh_table_entry): Mark type_info's as referenced.
1544 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1546 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
1548 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
1549 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
1550 * config/rs6000/aix.h: then modified likewise.
1552 2000-03-28 Richard Henderson <rth@cygnus.com>
1554 * rtl.h: Redistribute enum reg_note documentation.
1555 Kill trailing whitespace.
1556 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
1557 Kill trailing whitespace.
1559 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
1561 * cppfiles.c (hash_IHASH): Just return i->hash.
1562 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
1563 htab_find_with_hash.
1564 (cpp_read_file): Likewise.
1565 (find_include_file): Likewise. Properly initialize
1566 ih->nshort. Share ih->name and ih->nshort if possible.
1567 * cpphash.c (_cpp_calc_hash): New function.
1568 (hash_HASHNODE): Just return h->hash.
1569 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
1570 htab_find_with_hash.
1571 * cpphash.h: Prototype _cpp_calc_hash.
1572 * cppinit.c (initialize_builtins): Provide a valid hash
1573 to _cpp_make_hashnode, using _cpp_calc_hash.
1575 * cpphash.c (collect_expansion): # is not a special character
1576 in object-like macros. In -traditional mode, /**/ is not
1577 token paste at the beginning or end of the line.
1578 * cpplib.c (do_include, do_import, do_include_next): If
1579 parse_include fails, return immediately.
1581 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
1583 * config/arm/arm.md (return peepholes): Update to reflect the new
1585 * config/arm/arm.c (arm_volatile_func): Also check
1586 current_function_nothrow.
1587 (output_return_instruction, output_func_prologue): Use it.
1588 (arm_output_epilogue, arm_expand_prologue): Likewise.
1590 2000-03-27 Tom Tromey <tromey@cygnus.com>
1592 * gcc.c (handle_braces): In {x*...} case, break out of loop if
1595 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1597 * expr.c (store_constructor): SIZE now signed.
1598 For EXPR_SIZE, don't evaluate size; just needed if constant.
1599 * fold-const.c (fold): Fix a number of cases when folded tree is
1601 * function.c (flush_addressof): Reenable.
1602 * tree.h (flush_addressof): Likewise.
1603 * toplev.c (independent_decode_option): Look at strings_processed.
1604 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
1606 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
1608 * sibcall.c (indentify_call_return_value): Find last call in the chain;
1609 Allow stack adjustment after function call.
1611 * regmove.c (struct csa_memlist): Make mem field rtx *.
1612 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
1613 (try_apply_stack_adjustment): Replace whole MEM rtx.
1614 (combine_stack_adjustments_for_block): Update calls
1615 to record_one_stack_ref.
1617 2000-03-28 Neil Booth <NeilB@earthling.net>
1619 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
1620 '\\' rather than a null character, so nulls are not special. Fix
1621 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
1622 speed trigraph conversion.
1623 (_cpp_init_input_buffer): Initialize trigraph map.
1625 2000-03-27 Alan Modra <alan@linuxcare.com.au>
1627 * config/i386/i386.c (output_387_binary_op): Correct intel
1628 mode assembly output, and add spaces after commas in AT&T
1629 output. Correct Unixware assembler comment. Document input
1630 constraints. Comment fp operations. Reduce profligate buffer
1631 size. Remove extraneous abort. Localize temp var.
1632 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
1633 (output_fix_trunc): Add spaces after commas in assembly output.
1635 2000-03-27 Richard Henderson <rth@cygnus.com>
1637 * i386-protos.h (ix86_match_ccmode): Declare.
1638 * i386.c (ix86_match_ccmode): New.
1639 (ix86_expand_fp_compare): Update for pattern renames.
1640 (ix86_expand_strlensi_unroll_1): Likewise.
1641 * i386.h (EXTRA_CC_MODES): Add CCZ.
1642 (SELECT_CC_MODE): Use it for EQ/NE zero.
1643 * i386.md (cmpsi_ccz_1): New.
1645 (*testsi_ccz_1): New.
1646 (testqi_ccz_1): New.
1647 (cmpsi_ccno_1): Rename from cmpsi_0.
1648 (testsi_ccno_1): Rename from testsi_1.
1649 (testqi_ccno_1): Rename from testqi_1.
1650 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
1651 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
1652 (*cmphi_0): Use ix86_match_ccmode.
1653 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
1654 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
1655 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
1656 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
1657 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
1658 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
1659 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
1660 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
1661 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
1662 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
1663 (appropriate peepholes): Likewise.
1664 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
1665 (*subsi_3, *subhi_3, *subqi_3): Remove.
1666 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
1667 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
1668 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
1669 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
1670 (x86_shift_adj_1): Use CCZ.
1671 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
1673 2000-03-27 Stan Cox <scox@cygnus.com>
1675 * resource.h (mark_resource_type): New.
1676 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
1677 find_free_register): Use mark_resource_type.
1678 (mark_set_resources): Change include_delayed_effects
1679 to mark_resource_type.
1680 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
1681 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
1682 Use mark_resource_type.
1684 2000-03-27 Richard Henderson <rth@cygnus.com>
1686 * i386.md (call_pop_0, call_value_pop_0): New.
1687 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
1688 (call_value_pop_1): Likewise.
1689 (call_0, call_value_0): New.
1690 (call_1, call_value_1): Remove constraint from unused arg.
1692 2000-03-27 Nick Clifton <nickc@cygnus.com>
1694 * invoke.texi (Spec Files): Document new spec % command created by
1695 Tom Tromey's recent patch.
1697 2000-03-27 Jakub Jelinek <jakub@redhat.com>
1699 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
1702 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1704 * expr.c (expand_assignment): Fix typo in last change.
1706 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
1708 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1710 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
1711 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
1712 and DECL_INLINE if FUNCTION_DECL.
1713 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
1714 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
1715 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
1716 (combine_parm_decls): Likewise.
1717 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
1718 * print-tree.c (print_node): Likewise.
1719 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
1720 DECL_TRANSPARENT_UNION on proper decl types.
1721 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
1722 * stor-layout.c (layout_decl): Only check DECL_PACKED and
1723 DECL_BIT_FIELD of FIELD_DECL.
1724 * tree.h (DECL_RESULT_FLD): New macro.
1726 * expr.c (expand_assignment): Add code to handle variable-sized
1729 2000-03-26 Richard Henderson <rth@cygnus.com>
1731 * calls.c (expand_call): Pass parms not original exp to
1732 optimize_tail_recursion. Mind return value instead of looking
1734 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
1735 call_expr. Move checks for call_expr and current_function_decl ...
1736 (expand_return): ... here.
1738 2000-03-26 Tom Tromey <tromey@cygnus.com>
1740 * gcc.c (handle_braces): Recognize `%{<S}' construct.
1741 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
1743 (process_command): Use them.
1744 (check_live_switch): Likewise.
1745 (give_switch): Skip ignored switches.
1747 2000-03-26 Jan Hubicka <jh@suse.cz>
1749 * jump.c (jump_optimize_1): Fix typo in elide optimizations
1750 for minimal jump pass test.
1752 2000-03-26 Mark Mitchell <mark@codesourcery.com>
1754 * integrate.c (function_cannot_inline_p): Do inline functions that
1757 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1759 * stor-layout.c (layout_type, set_sizetype): early_type_list is
1760 now a list of TREE_LIST entries, not types.
1761 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
1763 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
1764 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
1766 * config/mips/mips.c (function_arg): Likewise; also remove cast
1767 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
1768 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
1769 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
1770 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
1771 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
1772 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
1773 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
1774 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
1775 num_adjusts now unsigned.
1776 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
1777 * config/sparc/sparc.c (struct function_arg_record_value_parms):
1779 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
1780 as is BITPOS variable; use host_integerp and int_bit_position.
1781 (function_arg_record_value_2): Likewise.
1782 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
1783 Variable REGNO now unsigned.
1784 (function_arg_record_value): NREGS now unsigned.
1786 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
1788 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
1790 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1792 * Rework fields used to describe positions of bitfields and
1793 modify sizes to be unsigned and use HOST_WIDE_INT.
1794 * alias.c (reg_known_value_size): Now unsigned.
1795 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
1796 (really_start_incremental_init): Use bitsize_zero_node.
1797 (push_init_level, pop_init_level, output_init_element): Likewise.
1798 Use bitsize_unit_node and bitsize_one_node.
1799 (output_pending_init_elements, process_init_element): Likewise.
1800 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
1801 (make_extraction): Position and length HOST_WIDE_INT and unsigned
1802 HOST_WIDE_INT, respectively.
1803 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
1804 (num_sign_bit_copies): Returns unsigned.
1805 BITWIDTH now unsigned; rework arithmetic.
1806 Remove recursive call from arg to MAX.
1807 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
1808 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
1810 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
1811 (find_split_point, expand_compound_operation, make_extraction): LEN
1812 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
1813 (make_field_assignment): Likewise.
1814 (combine_simplify_rtx): Add cast.
1815 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
1816 (force_to_mode): WIDTH now unsigned; add cast.
1817 (if_then_else_cond): SIZE now unsigned.
1818 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
1819 (extended_count): Now returns unsigned.
1820 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
1821 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
1822 (simplify_comparison): MODE_WIDTH now unsigned.
1823 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
1824 (mark_used_regs_combine): Likewise; rework arithmetic.
1825 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
1826 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
1827 (record_promoted_value): REGNO now unsigned.
1828 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
1829 (get_last_value): REGNO now unsigned.
1830 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
1831 (reg_dead_regno, reg_dead_endregno): Now unsigned.
1832 (remove_death): Arg REGNO now unsigned.
1833 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
1834 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
1836 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
1837 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
1838 (struct cse_reg_info): REGNO now unsigned.
1839 (cached_regno): Now unsigned.
1840 (REGNO_QTY_VALID_P): Add cast.
1841 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
1842 (remove_invalid_regs): Likewise.
1843 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
1844 as are variables END and I.
1845 (get_cse_reg_info, insert): Likewise.
1846 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
1847 (canon_hash): Likewise.
1848 (insert_regs, lookup_for_remove): REGNO now unsigned.
1849 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
1851 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
1852 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
1853 * emit-rtl.c (subreg_realpart_p): Add cast.
1854 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
1855 (operand_subword_force): Arg I is now unsigned.
1856 * except.c (eh_regs): Variable I is now unsigned.
1857 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
1858 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
1859 length is unsigned HOST_WIDE_INT; likewise for internal variables.
1860 (store_split_bit_field, extract_fixed_bit_field): Likewise.
1861 (extract_split_bit_field, store_bit_field, extract_bit_field):
1863 * expr.c (store_constructor_fields, store_constructor, store_field):
1864 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
1865 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
1866 (do_jump): Likewise.
1867 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
1868 MAX_SIZE is now unsigned.
1869 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
1870 (emit_group_store): Likewise.
1871 (emit_move_insn): I now unsigned.
1872 (store_constructor): Use host_integerp, tree_low_cst, and
1874 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
1875 Rework all calculations to use trees and new fields.
1876 * expr.h (promoted_input_arg): Regno now unsigned.
1877 (store_bit_field, extract_bit_field): Adjust types of pos and size.
1878 (mark_seen_cases): Arg is HOST_WIDE_INT.
1879 * flow.c (verify_wide_reg_1): REGNO now unsigned.
1880 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
1881 precisions and alignments are unsigned.
1882 (optimize_bit_field_compare, fold_truthop): Likewise.
1883 (int_const_binop): Adjust threshold for size_int_type_wide call.
1884 (fold_convert): Likewise.
1885 (size_int_type_wide): Make table larger and fix thinko that only
1886 had half of table used.
1887 (all_ones_mask_p, fold): Precisions are unsigned.
1888 * function.c (put_reg_info_stack): REGNO is unsigned.
1889 (instantiate_decl): Size is HOST_WIDE_INT.
1890 (instantiate_virtual_regs): I is unsigned.
1891 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
1892 (promoted_input_arg): REGNO is unsigned.
1893 * function.h (struct function): x_max_parm_reg is now unsigned.
1894 * gcse.c (max_gcse_regno): Now unsigned.
1895 (struct null_pointer_info): min_reg and max_reg now unsigned.
1896 (lookup_set, next_set): REGNO arg now unsigned.
1897 (compute_hash_table): REGNO and I now unsigned.
1898 (handle_avail_expr): regnum_for_replacing now unsigned.
1899 (cprop_insn): REGNO now unsigned.
1900 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
1901 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
1902 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
1903 * hard-reg-set.h (reg_class_size): Now unsigned.
1904 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
1905 * jump.c (mark_modified_reg): I now unsigned; add cast.
1906 (rtx_equal_for_thread_p): Add cast.
1907 * loop.c (max_reg_before_loop): Now unsigned.
1908 (struct_movable): REGNO now unsigned.
1909 (try_copy_prop): REGNO arg unsigned.
1910 (regs_match_p): XN and YN now unsigned.
1911 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
1912 (strength_reduce): Likewise; NREGS also unsigned.
1913 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
1914 * loop.h (struct iv_class): REGNO now unsigned.
1915 (max_reg_before_loop, first_increment_giv, last_increment_giv):
1917 * machmode.h (mode_size, mode_unit_size): Now unsigned.
1918 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
1919 * optabs.c (expand_binop): I and NWORDS now unsigned.
1920 (expand_unop): I now unsigned.
1921 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
1922 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
1923 * real.c (significand_size): Now returns unsigned.
1924 * real.h (significand_size): Likewise.
1925 * regclass.c (reg_class_size): Now unsigned.
1926 (choose_hard_reg_mode): Both operands now unsigned.
1927 (record_reg_classes): REGNO and NR now unsigned.
1928 (reg_scan): NREGS now unsigned.
1929 (reg_scan_update): old_max_regno now unsigned.
1930 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
1931 * reload.c (find_valid_class): BEST_SIZE now unsigned.
1932 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
1933 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
1934 Likewise for variable R.
1935 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
1936 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
1937 (find_equiv_reg): Add casts.
1938 (regno_clobbered_p): Arg REGNO now unsigned.
1939 * reload.h (struct reload): NREGS now unsigned.
1940 (refers_to_regno_for_reload_p): Regno args are unsigned.
1941 (regno_clobbered_p): Likewise.
1942 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
1943 (compute_use_by_pseudos): REGNO now unsigned.
1944 (find_reg): I and J now unsigned, new variable K, and change loop
1945 variables accordingly; THIS_NREGS now unsigned.
1946 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
1947 (spill_hard_reg): REGNO arg now unsigned; add casts.
1948 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
1949 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
1950 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
1951 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
1952 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
1953 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
1954 (emit_reload_insns): REGNO now unsigned.
1955 (reload_cse_move2add): Add cast.
1956 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
1958 * resource.c (mark_referenced_resources, mark_set_resources): New
1959 variable R; REGNO and LAST_REGNO now unsigned.
1960 (mark_target_live_regs): J and REGNO now unsigned.
1961 * rtl.c (mode_size, mode_unit_size): Now unsigned.
1962 * rtl.h (union rtunion_def): New field rtuint.
1963 (XCUINT): New macro.
1964 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
1965 (operand_subword, operand_subword_force): Word number is unsigned.
1966 (choose_hard_reg_mode): Operands are unsigned.
1967 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
1968 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
1969 (regno_use_in, combine_instructions, remove_death): Likewise.
1970 (reg_scan, reg_scan_update): Likewise.
1971 (extended_count): Return is unsigned.
1972 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
1973 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
1974 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
1975 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
1976 (reg_reg_last_1): FIRS and LAST now unsigned.
1977 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
1978 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
1980 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
1981 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
1982 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
1983 (replace_regs): Arg NREGS now unsigned.
1984 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
1985 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
1986 (simplify_binary_operation): Likewise.
1987 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
1988 THIS_LAST now unsigned.
1989 (cselib_record_set): Add cast.
1990 * ssa.c (ssa_max_reg_num): Now unsigned.
1991 (rename_block): REGNO now unsigned.
1992 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
1994 (all_cases_count): Just return -1 not -2.
1995 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
1996 Rework tests to use trees whenever possible.
1997 Use host_integerp and tree_low_cst.
1998 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
1999 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
2000 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
2001 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
2002 (smallest_mode_for_size): Likewise.
2003 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
2004 KNOWN_ALIGN is now an alignment, so simplify code.
2005 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
2006 (start_record_layout): Renamed from new_record_layout_info.
2007 Update to new fields.
2008 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
2010 (place_union_field): Renamed from layout_union_field.
2011 Update to use new fields in rli.
2012 (place_field): Renamed from layout_field.
2013 Major rewrite to use new fields in rli; pass alignment to layout_decl.
2014 (finalize_record_size): Rework to use new fields in rli and handle
2016 (compute_record_mode): Rework to simplify and to use new DECL fields.
2017 (finalize_type_size): Make rounding more consistent.
2018 (finish_union_layout): Deleted.
2019 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
2020 (layout_type, case RECORD_TYPE): Call new function names.
2021 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
2022 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
2023 (get_best_mode): UNIT is now unsigned; remove casts.
2024 * tree.c (bit_position): Compute from new fields.
2025 (byte_position, int_byte_position): New functions.
2026 (print_type_hash_statistics): Cast to remove warning.
2027 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
2028 (build_index_type): Likewise; make subtype of sizetype.
2029 (build_index_2_type): Pass sizetype to build_range_type.
2030 (build_common_tree_nodes): Use size_int and bitsize_int to
2031 initialize nodes; add bitsize_{zero,one,unit}_node.
2032 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
2033 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
2034 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
2035 (DECL_FIELD_BITPOS): Deleted.
2036 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
2037 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
2038 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
2039 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
2040 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
2041 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
2042 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
2043 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
2044 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
2045 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
2046 (DECL_ALIGN): Adjust to new field in union.
2047 (DECL_OFFSET_ALIGN): New field.
2048 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
2049 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
2050 (union tree_decl): Add struct for both aligns.
2051 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
2052 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
2053 (struct record_layout_info): Rework fields to have offset
2054 alignment and byte and bit position.
2055 (start_record_layout, place_field): Renamed from old names.
2056 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
2057 (byte_position, int_byte_position): Likewise.
2058 (get_inner_reference): Change types of position and length.
2059 * unroll.c (unroll_loop): New variable R; use for some loops.
2060 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
2061 (calculate_giv_inc): Arg REGNO now unsigned.
2062 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
2063 * varasm.c (assemble_variable): Clean up handling of size using
2064 host_integerp and tree_low_cst.
2065 (decode_addr_const): Use byte, not bit, position.
2066 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
2067 use tree_low_cst and int_bit_position.
2068 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
2070 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
2072 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
2073 (reorder_block_def): New members eff_head and eff_end.
2074 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
2075 (verify_insn_chain): New function.
2076 (skip_insns_between_block): Add code to skip deleted insns.
2077 Check for note before using.
2078 (chain_reorder_blocks): Replace calls to skip_insns_between_block
2079 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
2080 Check for note before using.
2081 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
2082 (fixup_reorder_chain): Restructure, clean up, defect removal.
2083 (reorder_basic_blocks): Remove last_insn and references to it.
2084 Moved insn chain verification code into a new function (see above).
2085 Delete defective code that sets last insn.
2086 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
2089 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2091 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
2093 2000-03-24 Richard Henderson <rth@cygnus.com>
2095 * tree.c (lang_safe_for_unsave): Remove.
2096 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
2097 allowing for two levels of unsafeness. Remove lang hook.
2098 * tree.h: Update declarations.
2099 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
2100 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
2101 Always fail sibcalls when there are pending cleanups.
2103 2000-03-24 Geoff Keating <geoffk@cygnus.com>
2105 * flow.c (propagate_block): When we delete an ADDR_VEC,
2106 also delete the BARRIER following it if there is one.
2108 2000-03-24 Richard Henderson <rth@cygnus.com>
2110 * builtins.c (expand_builtin_bzero): Convert `length' argument
2113 2000-03-24 Jakub Jelinek <jakub@redhat.com>
2115 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
2116 comparison if regno's are equal.
2117 * calls.c (initialize_argument_informat): Add ecf_flags argument.
2118 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2119 (expand_call): Update caller.
2120 Avoid making a sibling call if argument size of the callee is larger
2121 than argument size of the caller.
2122 Call hard_function_value with outgoing set if in sibcall pass.
2123 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2125 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
2126 Change LEAF_REGISTERS from an array initializer to actual array
2127 identifier. Move static global variable into the function.
2128 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
2129 sequences for leaf functions.
2130 * global.c (global_alloc): Likewise.
2131 * tm.texi (LEAF_REGISTERS): Update documentation.
2133 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
2134 TARGET_FLAT leaf disabling hack.
2135 (LEAF_REGISTERS): Changed from an array initializer to actual array
2136 identifier to avoid duplication and remove the above hack.
2137 (FUNCTION_OK_FOR_SIBCALL): Define.
2138 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
2139 always like call attribute.
2140 (eligible_for_sibcall_delay): New attribute.
2141 (sibcall): New delay type.
2142 (sibcall, sibcall_value, sibcall_epilogue): New expands.
2143 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
2144 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
2145 * config/sparc/sparc.c (sparc_leaf_regs): New array.
2146 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
2148 (output_function_epilogue): Move part of the code into
2149 output_restore_regs.
2150 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
2152 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
2155 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
2156 until infrastructure is finished.
2158 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
2160 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
2161 (save_parm_insns): Not here.
2163 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2165 * builtins.c (expand_builtin_bzero): New function.
2166 (expand_builtin): Handle bzero.
2168 * builtins.def: Add BUILT_IN_BZERO.
2170 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2171 prototype & function for bzero.
2173 2000-03-23 Michael Meissner <meissner@redhat.com>
2175 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
2176 change adding TARGET_FP to the TF floating point insns, except for
2177 trunctfsf2, which generates direct calls to truncdfsf2.
2179 2000-03-23 Geoff Keating <geoffk@cygnus.com>
2181 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
2182 try to protect against middle-end changes that break binary
2184 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
2186 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2188 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
2190 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2192 * calls.c (expand_call): If TARGET is passed by reference and
2193 is readonly, write a CLOBBER.
2195 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2197 * builtins.c (expand_builtin): Handle bcmp.
2199 * builtins.def: Add BUILT_IN_BCMP.
2201 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2202 prototype & function for bcmp.
2204 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
2206 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
2207 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
2208 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
2210 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
2212 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
2213 alternative when using -fp64 -gp32.
2215 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2217 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
2218 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
2219 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
2221 * frame.h (frame_state): Revert last change.
2222 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
2223 * libgcc2.c (throw_helper): Revert last change.
2225 2000-03-22 Richard Henderson <rth@cygnus.com>
2227 * stmt.c (expand_asm_operands): Don't promote the temporary.
2229 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2231 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
2232 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
2233 c_get_alias_set): Likewise.
2234 * c-decl.c (duplicate_decls): Likewise.
2235 * c-typeck.c (default_conversion,build_unary_op): Likewise.
2236 * calls.c (initialize_argument_information): Likewise.
2237 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
2239 * dwarfout.c (decl_class_context,output_type): Likewise.
2240 * expr.c (get_inner_reference): Likewise.
2241 * fold-const.c (simple_operand_p,fold): Likewise.
2242 * function.c (aggregate_value_p): Likewise.
2243 * stmt.c (expand_asm_operands): Likewise.
2244 * varasm.c (named_section): Likewise.
2246 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2248 Implement dwarf2 exception handling for the ARM.
2249 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
2250 (DWARF_FRAME_RETURN_COLUMN): Define.
2251 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
2252 REG_FRAME_RELATED_EXPR note.
2253 (emit_sfm): Likewise.
2254 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
2255 * dwarf2out.c (reg_save): Handle saving a register to itself.
2256 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
2257 * except.c (eh_regs): Don't use the static chain reg if it's
2259 * frame.h (frame_state): Add cfa_saved field.
2260 * frame.c (execute_cfa_insn): Set it.
2261 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
2263 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
2265 (instantiate_virtual_regs): Adjust.
2267 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2268 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2269 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
2271 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
2272 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
2274 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2276 * builtins.def: New file.
2278 * Makefile.in (TREE_H): Depend on builtins.def.
2280 * builtins.c (built_in_names): Use builtins.def.
2282 * tree.h (built_in_function): Likewise.
2284 2000-03-22 Mark Mitchell <mark@codesourcery.com>
2286 * tree.c (size_in_bytes): Return size_zero_node, not
2289 2000-03-22 Geoff Keating <geoffk@cygnus.com>
2291 * config/fp-bit.c (pack_d): Correct the case when a denormal
2292 is rounded up and stops being denormal.
2294 2000-03-21 Richard Henderson <rth@cygnus.com>
2296 * config/alpha/alpha.c (function_arg): Check for void_type_node
2297 before using MUST_PASS_IN_STACK.
2299 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
2301 * regmove.c (combine_stack_adjustments_for_block): Check that
2302 the stack pointer is a valid memory address.
2304 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
2306 * calls.c: re-install Mar 16 emit_library_call merge.
2308 2000-03-21 Jakub Jelinek <jakub@redhat.com>
2310 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
2311 we cannot be sure that if reload_completed base register will
2312 be properly aligned.
2314 2000-03-21 Richard Henderson <rth@cygnus.com>
2316 * flow.c (delete_block): Fix typo last change.
2318 2000-03-21 Mark Mitchell <mark@codesourcery.com>
2320 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
2321 not COMPLETE_TYPE_P, to check the type of the expression.
2323 2000-03-21 Michael Meissner <meissner@redhat.com>
2325 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
2326 all floating point insns that just tested the macro
2327 TARGET_HAS_XFLOATING_LIBS.
2328 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
2329 used to only use the gprs.
2331 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
2333 * tree.h (COMPLETE_TYPE_P): New macro.
2334 (COMPLETE_OR_VOID_TYPE_P): New macro.
2335 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
2336 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
2337 * c-aux-info.c (gen_type): Use them.
2338 * c-common.c (c_expand_expr_stmt): Likewise.
2339 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
2340 grokdeclarator, grokparms, finish_struct, start_function,
2341 store_parm_decls, combine_parm_decls): Likewise.
2342 * c-parse.y (cast_expr): Likewise.
2343 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
2344 c_size_in_bytes, c_alignof, build_component_ref,
2345 build_indirect_ref, build_array_ref, convert_arguments,
2346 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
2347 * calls.c (initialize_argument_information): Likewise.
2348 * convert.c (convert_to_integer): Likewise.
2349 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
2350 * dwarfout.c (location_or_const_value_attribute,
2351 output_enumeration_type_die, output_structure_type_die,
2352 output_union_type_die, output_type): Likewise.
2353 * expr.c (safe_from_p, expand_expr): Likewise.
2354 * function.c (assign_parms): Likewise.
2355 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
2356 * tree.c (build_array_type, build_function_type,
2357 build_method_type, build_offset_type, build_complex_type): Likewise.
2358 * c-parse.c, c-parse.h: Regenerated.
2360 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2362 * config/c4x/rtems.h: Include config/rtems.h.
2364 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
2366 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
2367 decl is a FUNCTION_DECL
2369 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
2371 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
2372 function uses output registers. Don't save RP for leaf functions.
2373 Do save RP even if no epilogue.
2374 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
2375 (CALL_USED_REGISTERS): Unmark in registers.
2376 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
2379 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2381 * config/rs6000/rs6000.md (bunordered): New expander.
2382 (bordered): New expander.
2383 (buneq): New expander.
2384 (bunge): New expander.
2385 (bungt): New expander.
2386 (bunle): New expander.
2387 (bunlt): New expander.
2388 (bltgt): New expander.
2390 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
2391 (ccr_bit_negated_p): New function.
2392 (print_operand): For %C, generate appropriate cror for UNEQ,
2393 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
2395 2000-03-20 Andreas Jaeger <aj@suse.de>
2397 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
2400 * tree.h (safe_for_unsave): Prototype.
2402 2000-03-20 Richard Henderson <rth@cygnus.com>
2404 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
2405 (combine_stack_adjustments_for_block): Don't allow sp references
2406 in the side of a set we're not fixing up.
2407 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
2408 after life_analysis.
2410 2000-03-20 Richard Henderson <rth@cygnus.com>
2412 * calls.c (expand_call): Don't bother generating tail call
2413 sequences if there are pending cleanups. Use
2414 expand_start_target_temps/expand_end_target_temps to elide
2415 cleanups created during sibcall expansion.
2417 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2419 * configure.in: Set $IFS to a value if it doesn't already have one
2420 in the --enable-checking handling.
2421 * configure: Regenerate.
2423 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2425 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
2426 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2429 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
2431 * jump.c (delete_noop_moves): Remove code attempting to
2432 combine stack adjustments.
2434 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2436 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
2437 * except.c (emit_cleanup_handler): Use them.
2438 (expand_end_all_catch): Likewise.
2439 * function.c (fixup_var_refs): Likewise.
2440 (expand_function_end): Clear catch_clauses_last.
2441 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
2442 * except.h (struct eh_status): New field x_catch_clauses_last.
2443 (catch_clauses_last): New define.
2445 * Makefile.in (tree.o): Depend on HASHTAB_H.
2446 * tree.c: Include hashtab.h.
2447 (struct type_hash): Remove next field.
2448 (TYPE_HASH_SIZE): Remove.
2449 (TYPE_HASH_INITIAL_SIZE): New define.
2450 (type_hash_table): Change type to htab_t.
2451 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
2452 mark_hash_entry): New functions.
2453 (init_obstacks): Allocate type hash.
2454 (type_hash_lookup): Use htab functions.
2455 (type_hash_add, mark_type_hash): Likewise.
2456 (dump_tree_statistics): Call print_type_hash_statistics.
2458 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2460 * rs6000/t-aix41: New file.
2462 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
2464 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
2466 * tm.texi (Driver): Fix typos and tweak entry for
2468 Move misplaced STRUCT_FORCE_BLK entry ...
2469 (Storage Layout): ... to here.
2470 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
2472 2000-03-19 Richard Henderson <rth@cygnus.com>
2474 * flow.c (delete_block): Delete the addr_vec along with the block.
2475 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
2478 * fold-const.c (extract_muldiv): Apply type check for defined
2479 overflow to multiply as well as divide.
2481 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
2483 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2485 * emit-rtl.c (remove_unncessary_notes): Check that all
2486 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
2487 associated NOTE_BLOCK.
2488 * function.h (identify_blocks): Update comments.
2489 (reorder_blocks): Declare.
2490 * function.c (identify_blocks): Don't take paramters.
2491 (reorder_blocks): Don't take parameters.
2492 * loop.h (find_loop_tree_blocks): Remove.
2493 (unroll_block_trees): Likewise.
2494 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
2495 reorder_blocks instead of unroll_block_trees.h
2496 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
2497 * stmt.c (find_loop_tree_blocks): Remove.
2498 (unroll_block_trees): Likewise.
2499 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
2500 in whole-function mode.
2501 * tree.h (reorder_blocks): Remove declaration.
2503 * expr.c: Include intl.h.
2504 * Makefile.in (expr.o): Depend on intl.h.
2506 2000-03-18 Richard Henderson <rth@cygnus.com>
2508 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
2510 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2512 * tree.h (tree_index): Remove enumerals for integer types.
2513 (integer_type_kind): New type.
2514 (integer_types): New variable.
2515 (char_type_node): Adjust.
2516 (signed_char_type_node): Likewise.
2517 (unsigned_char_type_node): Likewise.
2518 (short_integer_type_node): Likewise.
2519 (short_unsigned_type_node): Likewise.
2520 (integer_type_node): Likewise.
2521 (unsigned_type_node): Likewise.
2522 (long_integer_type_node): Likewise.
2523 (long_unsigned_type_node): Likewise.
2524 (long_long_integer_type_node): Likewise.
2525 (long_long_unsigned_type_node): Likewise.
2526 * tree.c (integer_types): New variable.
2527 (init_obstacks): Register it as a root.
2529 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
2531 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
2532 NEXT_INSN. Update last insn in chain.
2534 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
2536 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
2537 with TYPE_DECL_SUPPRESS_DEBUG set.
2539 2000-03-18 Richard Henderson <rth@cygnus.com>
2541 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
2543 2000-03-18 Richard Henderson <rth@cygnus.com>
2545 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
2546 care for HALF_PIC_P.
2547 (expander_call_insn_operand): Remove.
2548 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
2549 * i386.h (PREDICATE_CODES): Update.
2550 * i386.md (all call expanders): Remove predicates, remove special
2551 handling for half-pic.
2552 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
2553 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
2554 (sibcall_epilogue): New.
2556 2000-03-17 Richard Henderson <rth@cygnus.com>
2558 * rtlanal.c (single_set): Reject if the parallel has anything
2559 except SET or USE or CLOBBER.
2561 2000-03-17 Jeff Law <law@cygnus.com>
2562 Richard Henderson <rth@cygnus.com>
2564 * Makefile.in (OBJS): Add sibcall.o.
2566 * sibcall.c: New file.
2567 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
2568 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
2569 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
2570 Emit sibcall patterns when requested. Update all callers.
2571 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
2572 elimination seems feasable.
2573 * final.c (leaf_function_p): Sibling calls don't discount being
2575 * flow.c (HAVE_sibcall_epilogue): Provide default.
2576 (find_basic_blocks_1): Sibling calls don't throw.
2577 (make_edges): Make edge from sibling call to EXIT.
2578 (propagate_block): Don't remove sibcall_epilogue insns.
2579 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
2580 (sibcall_epilogue): New.
2581 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
2582 (identify_blocks_1): Likewise. Break out from ...
2583 (identify_blocks): ... here.
2584 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
2585 (reorder_blocks): ... here.
2586 (init_function_for_compilation): Zap prologue/epilogue as varrays.
2587 (record_insns): Extend a varray instead of mallocing new memory.
2588 (contains): Read a varray not array of ints.
2589 (sibcall_epilogue_contains): New.
2590 (thread_prologue_and_epilogue_insns): Emit and record
2591 sibcall_epilogue patterns.
2592 (init_function_once): Allocate prologue/epilogue varrays.
2593 * genflags.c (gen_insn): Treat sibcall patterns as calls.
2594 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
2596 (save_for_inline_nocopy): ... here.
2597 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
2599 (expand_inline_function): ... here.
2600 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
2601 (subst_constants): Handle 'n' formats.
2602 * jump.c (jump_optimize_minimal): New.
2603 (jump_optimize_1): New arg `minimal'; update callers. Elide most
2604 optimizations if it's set.
2605 * rtl.c (copy_rtx): Do copy jump & call for insns.
2606 * rtl.h (struct rtx_def): Document use of jump and call for insns.
2607 (SIBLING_CALL_P): New.
2608 (sibcall_use_t): New.
2609 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
2610 Invoke optimize_sibling_and_tail_recursive_calls.
2611 * tree.c (lang_safe_for_unsave): New.
2612 (safe_for_unsave): New.
2613 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
2615 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
2616 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
2617 (*sibcall_osf_1, *sibcall_value_osf_1): New.
2619 2000-03-17 Mark Mitchell <mark@codesourcery.com>
2621 * objc/objc-act.c (encode_method_prototype): Pass types, not
2622 PARM_DECLs, to int_size_in_bytes.
2624 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
2626 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
2628 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
2629 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
2631 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2633 * Clean up usages of TREE_INT_CST_LOW.
2634 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
2635 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2637 * c-tree.h (min_precision): Move declaration to here.
2638 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
2639 (build_unary_op, add_pending_init): Use bit_position.
2640 (pending_init_member, process_init_element): Likewise.
2641 (really_start_incremental_init, push_init_level, pop_init_level):
2642 Don't make copies of nodes or modify them in place, use consistent
2643 types when tracking positions, and use tree routines computations.
2644 (set_init_index, output_init_element): Likewise.
2645 (output_pending_init_elements, process_init_element): Likewise.
2646 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
2647 tree_low_cst and int_bit_position; also minor cleanup.
2648 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
2649 (print_cst_octal): Precision is unsigned.
2650 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
2651 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
2652 (simple_type_align_in_bits): Result is unsigned int.
2653 Use tree_int_low_cst and host_integerp.
2654 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
2655 (field_byte_offset): Result is HOST_WIDE_INT.
2656 Change types of internal variables so alignments are unsigned int,
2657 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
2658 Use host_integerp, tree_low_cst, and int_bit_position.
2659 (add_bit_offset_attribute): Likewise.
2660 (add_data_member_location_attribute): Use tree_cst_low.
2661 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
2662 (add_bit_size_attribute): Use tree_low_cst.
2663 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
2664 * dwarfout.c: Similar changes to dwarf2out.c.
2665 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
2666 * genoutput.c (n_occurences): Return -1 for null string.
2667 (strip_whitespace): Accept null string and make into function.
2668 (scan_operands): Reflect above changes.
2669 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
2670 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
2671 * ssa.c (rename_registers): Add missing cast of arg to bzero.
2672 * tree.c (int_size_in_bytes): Check for too big to represent.
2673 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
2674 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
2676 (min_precision): Delete from here.
2677 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
2678 and int_bit_position.
2679 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
2680 (encode_method_def): Likewise.
2681 (build_ivar_list_initializer): Use int_bit_position.
2682 (generate_shared_structures): Convert size.
2683 (encode_type, encode_complete_bitfield): Use integer_zerop.
2684 (encode_bitfield): Use tree_low_cst and int_bit_position.
2686 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2688 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
2690 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2692 * call.c (special_function_p): It is only malloc if it returns
2695 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2697 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
2698 (C33_FLAG, TARGET_C3X): Add macros.
2699 (TARGET_SWITCHES): Add -m33 option.
2700 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
2702 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2704 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
2705 (PARALLEL_PACK_FLAG): Delete.
2706 (TARGET_SWITCHES): Update.
2707 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
2709 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2711 * fold-const.c (fold): Fix a few cases when the returned result
2712 is not of the same type as the input.
2714 2000-03-16 Nick Clifton <nickc@cygnus.com>
2716 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
2719 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2721 * libgcc2.h: Move prototypes above macros with the same name.
2722 Wrap some function prototypes in the conditional which indicates
2723 whether they are supported, i.e. "BITS_PER_UNIT == 8".
2725 2000-03-16 Richard Henderson <rth@cygnus.com>
2727 * calls.c: Revert last two changes.
2729 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
2731 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
2732 has exponent 0 is a zero.
2734 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
2735 HASH may already be nonzero. Add code/mode into hash value
2736 immediately after repeat label.
2737 (cselib_lookup): Don't leave the hash table in an inconsistent
2738 state before a hash lookup operation.
2740 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
2742 * i386.md (all HI and QI mode non-move patterns): Conditionize
2743 by TARGET_[HQ]IMODE_MATH.
2744 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
2745 x86_promote_qi_regs): Declare.
2746 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
2747 TARGET_PROMOTE_QI_REGS): New macros.
2748 (PROMOTE_MODE): New macro.
2749 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
2750 x86_promote_qi_regs): New global variables.
2752 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
2754 * calls.c (emit_library_call_value_1): Break out from ...; handle
2755 VOIDmode function calls too.
2756 (emit_library_call_value): ... here.
2757 (emit_library_call): Implement by calling emit_library_call_value_1.
2759 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
2761 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
2762 Update arg_space_so_far on stack adjustments.
2763 (emit_library_call, emit_library_call_value): Likewise; take into
2764 account arg_space_so_far and pending_stack_adjust when calculcating
2767 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
2769 * flow.c: Move all basic block reordering code into its own file.
2770 (create_basic_block): Externalize.
2771 * bb-reorder.c: New file. Copy all basic block reordering code from
2772 flow.c to this file.
2773 (reorder_basic_blocks): Fix fencepost error in for-loop.
2774 (reorder_basic_blocks): Remove braces from single statement for-loops.
2775 * basic-block.h: Add declaration for create_basic_block.
2776 * Makefile.in: Add rules for bb-reorder.o.
2778 2000-03-16 Neil Booth <NeilB@earthling.net>
2780 * cppinit.c (handle_option): Implement #unassert directive
2781 as -A- command line option.
2782 (print_help): Update.
2783 * cpptexi.c: Update.
2785 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
2787 * md.texi (Standard Names): Document `jump'.
2789 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
2791 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
2794 2000-03-15 Geoff Keating <geoffk@cygnus.com>
2796 See the ChangeLog on the branch for more details.
2798 * configure.in: Merge in changes from newppc-branch.
2799 * configure: Regenerate.
2800 * config/rs6000/*: Merge in changes from newppc-branch.
2801 Also correct copyright notices.
2803 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
2805 * acconfig.h (HAVE_GAS_WEAK): New define.
2806 * configure.in (assembler weak support): Check for .weak support.
2807 * config.in, configure: Rebuilt.
2808 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
2809 HAVE_GAS_WEAK is defined.
2811 2000-03-15 Nick Clifton <nickc@cygnus.com>
2813 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
2816 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
2818 * cppfiles.c (open_include_file): New function.
2819 (find_include_file, cpp_read_file): Use it.
2821 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
2823 * cpphash.c (dump_hash_helper): Take the slot, not the element.
2825 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
2827 * flow.c (verify_flow_info): Check for unconditional return.
2829 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
2831 * config/ia64/ia64.md (restore_stack_nonlocal): New.
2832 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
2833 (__ia64_restore_stack_nonlocal): New.
2834 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
2836 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2838 * cpphash.c (collect_formal_parameters): Do not complain about
2839 parameter names that just start with `__VA_ARGS__'.
2841 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
2843 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
2844 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
2845 * i386.c (pentiumpro_cost): Set mul cost to 4.
2846 (x86_use_movx): Set for PPro.
2848 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
2850 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
2851 STACK_BOUNDARY for empty frames now.
2853 2000-03-14 Mark Mitchell <mark@codesourcery.com>
2855 * stor-layout.c (layout_union): Remove.
2856 (layout_union_field): New function, split out from layout_union.
2857 (finish_union_layout): Likewise.
2858 (layout_field): Handle unions by calling layout_union_field.
2859 (finish_record_layout): Handle unions.
2860 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
2861 QUAL_UNION_TYPE handling.
2863 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
2865 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
2866 end of basic block is jump_insn, not barrier; use create_basic_block
2867 instead of creating basic block by hand.
2869 2000-03-14 Jason Eckhardt <jle@cygnus.com>
2871 * flow.c (reorder_basic_blocks): Account for barriers when writing
2872 over NEXT_INSN (last_bb->end).
2873 (verify_flow_info): Add check for missing barriers.
2875 2000-03-14 Greg McGary <gkm@gnu.org>
2877 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
2878 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
2879 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
2880 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
2881 __unbounded, __unbounded__): New keywords.
2882 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
2883 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2884 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2886 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
2888 * cselib.h: New file.
2889 * alias.c: Include "cselib.h".
2890 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
2891 MEMs as two new arguments.
2892 (get_addr): New static function.
2893 (find_base_term): Handle VALUEs.
2894 (memrefs_conflict_p): Likewise.
2895 (true_dependence): Call get_addr on the addresses.
2896 Call fixed_scalar_and_varying_struct_p with addresses that have been
2897 passed through get_addr and canon_rtx.
2898 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
2899 with true_dependence.
2900 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
2901 * loop.c: Include "cselib.h".
2902 (load_mems): Process extended basic block that enters the loop with
2903 cselib. Use that information to change initialization of the shadow
2904 register so that a constant equivalence is seen by later passes.
2905 * reload1.c: Include "cselib.h".
2906 (reload_cse_invalidate_regno): Delete function.
2907 (reload_cse_mem_conflict_p): Likewise.
2908 (reload_cse_invalidate_mem): Likewise.
2909 (reload_cse_invalidate_rtx): Likewise.
2910 (reload_cse_regno_equal_p): Likewise.
2911 (reload_cse_check_clobber): Likewise.
2912 (reload_cse_record_set): Likewise.
2913 (reg_values): Delete static variable.
2914 (invalidate_regno_rtx): Likewise.
2915 (reload_cse_delete_noop_set): New static function.
2916 (reload_cse_simplify): New static function, broken out of
2918 (reload_cse_noop_set_p): Delete unused argument INSN.
2919 Just call rtx_equal_for_cselib_p on set source and destination.
2920 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
2921 reload_cse_delete_noop_set. Delete code to keep track of values; use
2922 cselib functions instead. Delete code to push/pop obstacks.
2923 (reload_cse_simplify_set): Use cselib to find equivalent values.
2924 Delete code to push/pop obstacks.
2925 (reload_cse_simplify_operands): Likewise.
2926 * rtl.def (VALUE): New rtx code.
2927 * rtl.h (union rtunion_def): New elt rt_cselib.
2928 (X0CSELIB, CSELIB_VAL_PTR): New macros.
2929 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
2930 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
2931 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
2932 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
2933 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
2934 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
2935 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
2936 cselib_record_set, cselib_record_sets): New static functions.
2937 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
2938 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
2939 references_value_p): New functions.
2940 (MAX_USELESS_VALUES, REG_VALUES): New macros.
2941 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
2942 n_useless_values, reg_values, callmem, cselib_obstack,
2943 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
2944 New static variables.
2945 * varray.h (union varray_data_tag): New elt te.
2946 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
2947 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
2950 2000-03-14 Nick Clifton <nickc@cygnus.com>
2952 * gcc.c (do_spec_1): Catch the case where %* is used in a
2953 substitution pattern, but it has not been initialised.
2954 Issue a meaningful error message if an unrecognised operator
2955 is encountered in a spec string.
2957 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
2959 * function.c (prepare_function_start): Correctly initialize
2960 cfun->stack_alignment_needed.
2962 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
2964 * cppfiles.c (find_include_file): Don't assume nshort is a
2967 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
2969 * configure.in (hppa configurations): Add pa32-regs.h to the
2970 list of tm files as appropriate.
2971 * configure: Rebuilt.
2972 * pa.c (compute_frame_size): Remove explicit knowledge about FP
2974 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
2975 (fmpyaddoperands, fmpysuboperands): Likewise.
2976 * pa.h: Remove various definitions which depend on knowing
2977 how registers are numbered.
2978 * pa32-regs.h: New file with PA32 register numbering specific
2981 2000-03-14 Richard Henderson <rth@cygnus.com>
2983 * regmove.c (combine_stack_adjustments): New.
2984 (stack_memref_p, single_set_for_csa): New.
2985 (free_csa_memlist, record_one_stack_memref): New.
2986 (try_apply_stack_adjustment): New.
2987 (combine_stack_adjustments_for_block): New.
2988 * rtl.h (combine_stack_adjustments): Declare.
2989 * toplev.c (rest_of_compilation): Call it.
2991 * i386.md: Revert 2000-01-16 change.
2993 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2995 * gccbug.in: Add web category, gcc specific classes.
2997 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
2999 * stor-layout.c (finalize_record_size): Fix typo.
3001 2000-03-14 Stan Shebs <shebs@apple.com>
3003 * c-typeck.c (c_alignof): Error on incomplete types.
3004 * extend.texi (Alignment): Document this.
3006 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
3008 * cppfiles.c: Include mkdeps.h.
3009 (find_include_file, read_include_file): Remove _cpp_ prefix
3010 from name, make static.
3011 (_cpp_execute_include): New function, broken out of
3014 * cpplib.c: Don't include mkdeps.h.
3015 (struct directive): Remove type field. Reorder entries. The
3016 function takes only one argument.
3017 (struct if_stack): Make type field an int.
3018 (directive_table): Rename to dtable. Generate it, the
3019 prototypes of the directive handlers, and the enum for the
3020 directive numbers, from a template macro.
3021 (do_ifndef, do_include_next, do_import): New functions.
3022 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
3023 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
3024 do_ident, do_assert, do_unassert, do_sccs): Take only one
3026 (do_sccs): Define always, but alter behavior based on
3028 (_cpp_handle_directive, consider_directive_while_skipping):
3029 Restructure for new directive table layout.
3031 (pass_thru_directive): Take a directive number, not a pointer
3032 to a struct directive.
3033 (parse_include): New function, broken out of do_include.
3034 (do_include, do_import, do_include_next): Use parse_include
3035 and _cpp_execute_include.
3036 (do_elif, do_else): Test for T_ELSE specifically when checking
3037 for #elif/#else after #else.
3038 (parse_ifdef): New function, broken out of do_ifdef.
3039 (validate_else): Expect a name arg without a leading #.
3040 (if_directive_name): Delete.
3041 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
3042 directive handlers with only one argument.
3044 * cpphash.h: Update prototypes.
3045 (enum node_type): Remove entries for directives.
3046 * Makefile.in: Update dependencies.
3048 * cpphash.c (dump_hash_helper): Only dump nodes of type
3049 T_MACRO. Emit a newline after each definition.
3051 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3053 * gccbug.in: New file.
3054 * configure.in (all_outputs): Add gccbug.
3055 * Makefile.in (install-common): Install gccbug.
3056 (GCCBUG_INSTALL_NAME): New variable.
3057 * configure: Rebuilt.
3059 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
3061 * function.c (put_var_into_stack): Use type_for_mode to calculate
3062 part_type. Use MEM_SET_IN_STRUCT_P.
3063 * expr.c (store_field): Handle CONCAT.
3064 (store_constructor): Use fields_length.
3065 * tree.c (fields_length): New fn.
3066 * tree.h: Declare it.
3068 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
3070 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
3071 (cpplex.o): New target.
3072 * po/POTFILES.in: Add cpplex.c.
3074 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
3075 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
3076 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
3077 skip_block_comment, skip_line_comment, skip_comment,
3078 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
3079 _cpp_parse_name, skip_string, parse_string,
3080 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
3081 _cpp_get_directive_token, find_position,
3082 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
3083 (maybe_macroexpand, _cpp_lex_token): New functions.
3085 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
3086 parse_goto_mark): Delete.
3087 (_cpp_handle_eof): New function.
3088 (_cpp_handle_directive): Rename from handle_directive.
3089 (_cpp_output_line_command): Rename from output_line_command.
3090 (do_if, do_elif): Call _cpp_parse_expr directly.
3091 * cppfiles.c (_cpp_read_include_file): Don't call
3092 init_input_buffer here.
3093 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
3094 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
3095 here; pop the token_buffer and skip the rest of the line here.
3096 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
3099 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
3101 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
3102 CPP_GOTO_MARK): New macros.
3103 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
3104 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
3105 _cpp_read_and_prescan, _cpp_init_input_buffer,
3106 _cpp_grow_token_buffer, _cpp_get_directive_token,
3107 _cpp_handle_directive, _cpp_handle_eof,
3108 _cpp_output_line_command): Prototype them here.
3109 * cpplib.h (enum cpp_token): Add CPP_MACRO.
3110 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
3111 quote_string, output_line_command): Remove.
3113 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
3115 * stmt.c (expand_end_case): RANGE may be signed, and when checking
3116 whether it is too large we must also verify that it isn't negative.
3118 2000-03-13 Jakub Jelinek <jakub@redhat.com>
3120 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
3121 (movsi_zero_liveg0): Remove.
3122 (movsf_insn_novis_liveg0): Remove.
3124 (negsi2_not_liveg0): Rename to negsi2.
3125 (one_cmplsi2): Remove.
3126 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
3127 (one_cmplsi2_liveg0): Remove.
3128 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
3129 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
3130 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
3131 (PREDICATE_CODES): Remove zero_operand.
3132 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
3133 TARGET_BROKEN_SAVERESTORE.
3134 (zero_operand): Remove.
3135 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
3136 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
3138 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3139 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
3140 TARGET_BROKEN_SAVERESTORE): Remove.
3141 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
3143 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
3145 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
3148 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
3150 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
3152 * cpplib.c (do_pragma_implementation): Fix off-by-one error
3153 truncating a string. Don't assume tokens are nul terminated.
3154 Problem noted by Andreas Jaeger <aj@suse.de>
3156 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
3158 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
3159 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
3160 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
3162 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
3164 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
3165 STRUCTURE_SIZE_BOUNDARY.
3167 2000-03-13 Mark Mitchell <mark@codesourcery.com>
3169 * tree.h (record_layout_info_s): New structure.
3170 (record_layout_info): New type.
3171 (new_record_layout_info): New function.
3172 (layout_field): Likewise.
3173 (finish_record_layout): Likewise.
3174 * stor-layout.c (layout_record): Remove.
3175 (new_record_layout_info): New function.
3176 (layout_field): New function, broken out from layout_record.
3177 (finalize_record_size): Likewise.
3178 (compute_record_mode): Likewise.
3179 (finalize_type_size): New function, broken out from layout_type.
3180 (finish_record_layout): Likewise.
3181 (layout_type): Use them.
3183 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
3185 * cpphash.c: Don't include version.h.
3186 (special_symbol) [case T_VERSION]: Look for the string in
3187 hp->value.cpval; don't use version_string.
3188 * cppinit.c (initialize_builtins): Set hp->value.cpval for
3189 __VERSION__ to version_string.
3190 * Makefile.in (cpphash.o): Update deps.
3192 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
3194 Convert cpplib to use libiberty/hashtab.c.
3196 * cpplib.h (struct cpp_reader): Make hashtab and
3197 all_include_files of type 'struct htab *'. Delete HASHSIZE
3198 and ALL_INCLUDE_HASHSIZE macros.
3200 * cpphash.h: Update prototypes.
3201 (struct hashnode): Remove next, prev, and bucket_hdr members.
3202 Make length a size_t. Add hash member.
3203 (struct ihash): Remove next member. Add hash member. Make
3204 name a flexible array member.
3206 * cppfiles.c: Include hashtab.h.
3207 (include_hash): Delete.
3208 (IHASHSIZE): New macro.
3209 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
3210 (cpp_included): Do the hash lookup here.
3211 (_cpp_find_include_file): Rewrite.
3212 (cpp_read_file): Put the "fake" hash entry into the hash
3213 table. Honor the control_macro, if it turns out we've seen
3214 the file before. Don't push the buffer here.
3215 (_cpp_read_include_file): Push the buffer here.
3216 (OMODES): New macro. Use it whenever we call open(2).
3218 * cpphash.c: Include hashtab.h.
3219 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
3220 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
3221 _cpp_lookup_slot): New functions.
3222 (HASHSIZE): new macro.
3223 (hashf, _cpp_install, _cpp_delete_macro): Delete.
3224 (_cpp_lookup): Use hashtab.h routines.
3226 * cppinit.c: Include hashtab.h.
3227 (cpp_reader_init): Call _cpp_init_macro_hash and
3228 _cpp_init_include_hash. Don't allocate hashtab directly.
3229 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
3230 pfile->all_include_files.
3231 (initialize_builtins): Use _cpp_make_hashnode and
3232 htab_find_slot to add hash entries.
3233 (cpp_finish): Just call _cpp_dump_macro_hash.
3234 * cpplib.c: Include hashtab.h.
3235 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
3236 create hash entries.
3237 (do_pragma_poison, do_assert): Likewise.
3238 (do_include): Don't push the buffer here. Don't increment
3239 system_include_depth unless _cpp_read_include_file succeeds.
3240 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
3242 (do_pragma_implementation): Use alloca to create copy.
3244 * Makefile.in: Update dependencies.
3246 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3248 * cppinit.c (cl_directive_handler): More K&R fixing.
3250 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
3252 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
3254 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
3256 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3258 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
3259 Change from char[] to macros.
3261 2000-03-12 Neil Booth <NeilB@earthling.net>
3263 * cppinit.c (cpp_start_read): Update indirect function
3266 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
3268 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
3271 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
3272 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
3274 2000-03-11 Neil Booth <NeilB@earthling.net>
3276 * cppinit.c (struct pending option): Replace undef with a
3277 pointer to a directive handling routine.
3278 (struct cpp_pending): Replace separate assert_ and define_
3279 lists with one directive_ list.
3280 (new_pending_define): Rename new_pending_directive. Extra
3281 argument is the directive's handling routine.
3282 (handle_option): Update to use new_pending_directive.
3284 2000-03-11 Neil Booth <NeilB@earthling.net>
3286 * cppfiles.c (file_cleanup, _cpp_find_include_file,
3287 remap_filename, _cpp_read_include_file, actual_directory,
3288 hack_vms_include_specification): Replace bcopy(), index() etc
3289 calls. Add casts to some allocations. Make some variables
3290 pointers to const [unsigned] char.
3291 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
3292 collect_formal_parameters): Similarly.
3293 * cppinit.c (struct pending_option, append_include_chain,
3294 cpp_options_init, cpp_reader_init, initialize_standard_includes,
3295 cpp_start_read, new_pending_define, handle_option): Similarly.
3296 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
3297 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
3298 do_pragma_implementation, detect_if_not_defined,
3299 do_ifdef, skip_if_group, cpp_get_token, parse_string,
3300 do_assert, do_unassert): Similarly.
3301 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
3302 function prototypes.
3303 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
3305 2000-03-10 Richard Henderson <rth@cygnus.com>
3307 * builtins.c (expand_builtin_strlen): Revert last change.
3308 Use emit_insn_before if we're at the beginning of a sequence.
3310 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
3312 * builtins.c (expand_builtin_strlen): Make sure that we have something
3313 at the beginning of the sequence.
3315 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
3318 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
3320 2000-03-10 Richard Henderson <rth@cygnus.com>
3322 * except.c (can_throw): Use INTVAL on a CONST_INT.
3323 (reachable_handlers): Likewise.
3324 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
3326 2000-03-10 Andreas Jaeger <aj@suse.de>
3328 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
3329 MD_STARTFILE_PREFIX since those are not needed on linux.
3330 (ASM_FILE_START): New, from mips/gnu.h.
3332 2000-03-09 Richard Henderson <rth@cygnus.com>
3333 Alex Samuel <samuel@codesourcery.com> and others
3335 * Makefile.in (ssa.o): New rule.
3337 (STAGESTUFF): Add *.ssa and *.ussa.
3338 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
3339 * rtl.def (PHI): New RTL expression.
3340 * rtl.h (clear_log_links): New declaration.
3341 (convert_to_ssa): Likewise.
3342 (convert_from_ssa): Likewise.
3343 * flow.c (split_edge): If the entry node falls through to the
3344 split edge's source block, split the entry edge.
3345 (clear_log_links): New function.
3346 * toplev.c (ssa_dump): New variable.
3347 (flag_ssa): Likewise.
3348 (f_options): Add "ssa".
3349 (compile_file): Create SSA dump files.
3350 (rest_of_compilation): Go to and from SSA if enabled.
3351 (decide_d_option): Handle -de for SSA dump files.
3354 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
3356 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
3359 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
3361 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
3363 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
3365 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
3366 (MD_STARTFILE_PREFIX_1): New macro.
3368 2000-03-09 Robert Lipe <robertl@sco.com>
3370 * config/ia64/ia64.c: Include system.h.
3372 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
3374 * except.c (nothrow_function_p): If -fno-exceptions, just return.
3375 (init_eh_nesting_info): Likewise.
3377 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
3378 (TREE_NOTHROW): Rename from TREE_RAISES.
3379 * toplev.c (rest_of_compilation): Set it.
3380 * print-tree.c (print_node): Adjust.
3381 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
3382 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
3383 * calls.c (emit_call_1): Add 'nothrow' parm. Add
3384 REG_EH_REGION note as appropriate.
3385 (libfunc_nothrow): New fn.
3386 (emit_library_call, emit_library_call_value): Use it.
3387 (expand_call): Check TREE_NOTHROW.
3389 * varasm.c (make_decl_rtl): Skip initial '*' when setting
3390 DECL_ASSEMBLER_NAME.
3392 2000-03-09 Andreas Jaeger <aj@suse.de>
3394 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
3395 (TARGET_MEM_FUNCTIONS): Define.
3397 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
3399 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
3401 * except.c (can_throw): See through a SEQUENCE.
3402 (nothrow_function_p): New fn.
3403 * except.h: Declare it.
3404 * function.c (current_function_nothrow): New var.
3405 (prepare_function_start): Initialize it.
3406 * output.h: Declare it.
3407 * toplev.c (rest_of_compilation): Set it.
3408 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
3410 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
3412 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
3413 match. (cpp_compare_defs): Count the nul separator when
3414 advancing over argument names.
3416 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
3418 * recog.c (preprocess_constraints): Matching constraints affect
3419 same alternative/different operand, not same operand/different
3422 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
3423 register and a constant specially.
3425 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3427 * libgcc2.h: New file.
3428 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
3430 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
3432 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
3433 * configure: Regenerate.
3436 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
3438 * Makefile.in (LIBCPP_DEPS): New macro.
3439 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
3441 * cpperror.c: Include cpphash.h.
3442 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
3444 (lex): Don't use CPP_WARN_UNDEF.
3445 (_cpp_parse_expr): Return an int, the truth value.
3446 * cppfiles.c: Include cpphash.h.
3447 (_cpp_merge_include_chains): Move to cppinit.c and make static.
3448 * cppinit.c (include_defaults_array): Disentangle.
3449 (cpp_cleanup): Don't free the if stack here.
3450 (cpp_finish): Pop off all buffers, not just one.
3451 * cpplib.c (eval_if_expr): Return int.
3452 (do_xifdef): Rename do_ifdef.
3453 (handle_directive): Don't use CPP_PREPROCESSED.
3454 (cpp_get_token): Don't use CPP_C89.
3455 * fix-header.c: Don't use CPP_OPTIONS.
3457 * cpplib.h: Move U_CHAR, enum node_type, struct
3458 file_name_list, struct ihash, is_idchar, is_idstart,
3459 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
3460 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
3461 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
3462 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
3463 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
3464 of _cpp_simplify_pathname, _cpp_find_include_file,
3465 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
3466 Move struct if_stack to cpplib.c. Move struct cpp_pending to
3468 Change all uses of U_CHAR to be unsigned char instead.
3469 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
3471 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
3473 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
3474 (dwarf2out_begin_prologue): Set it.
3475 (output_call_frame_info): Don't emit EH unwind info for leaves.
3477 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
3478 can occur outside of an EH region.
3479 * except.c: Correct comments about rethrow behavior.
3480 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
3482 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
3484 * flow.c (make_edges): Always call make_eh_edge for calls.
3486 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
3488 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
3489 (struct cpp_buffer): Remove fname and underflow fields.
3490 (struct cpp_reader): Remove get_token field.
3491 (struct include_hash): Rename to struct ihash. Add typedef to
3493 (struct if_stack): Remove fname field.
3494 (IF_STACK_FRAME): Rename to IF_STACK.
3496 * cpperror.c (print_containing_files): Trust that there are no
3497 macro buffers below the top file buffer.
3498 * cppfiles.c: Replace all references to 'struct include_hash'
3499 with 'IHASH'. Rename initialize_input_buffer to
3500 init_input_buffer. Don't set or reference cpp_buffer->fname,
3501 use buffer->ihash->name instead.
3502 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
3503 not CPP_NULL_BUFFER.
3504 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
3505 IF_STACK_FRAME, IHASH not struct include_hash.
3506 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
3507 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
3508 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
3509 references to cpp_buffer->fname (delete entirely, or use
3510 ->ihash->name instead) and IF_STACK->fname.
3511 (cpp_push_buffer): Don't set new->underflow.
3512 (do_include): Use cpp_file_buffer.
3514 * cpphash.c (collect_formal_parameters): Remove duplicate
3515 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
3516 used as a macro argument name. Don't append "..." to namebuf
3517 for varargs macros. After we're done scanning, go through
3518 namebuf and make it NUL separated, not comma separated.
3519 (_cpp_compare_defs): Remove register tag from variables.
3520 Expect defn->argnames to be NUL separated.
3521 (_cpp_dump_definition): Expect defn->argnames to be NUL
3522 separated and in forward order.
3523 * cpphash.h: Update documentation of argnames field.
3525 2000-03-08 Richard Henderson <rth@cygnus.com>
3527 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
3528 to fail. Don't pre-expand the source operand.
3530 * i386.md (strlensi): Initialize eoschar and align before use.
3532 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
3534 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
3535 CONSTRUCTOR element.
3537 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
3539 * mips.c (mips_expand_prologue): If the last
3540 named argument is the vararg marker "va_list", treat it as
3541 an unnamed argument.
3543 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
3545 * dbxout.c (dbxout_parms): When correcting for promoted
3546 big-endian parameters, use the mode of the DECL_RTL rather
3547 than UNITS_PER_WORD.
3549 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
3551 * c-common.h (make_fname_decl): Declare.
3552 * c-common.c (make_fname_decl): Define.
3553 (declare_hidden_char_array): Remove.
3554 (declare_function_name): Use make_fname_decl.
3555 * c-decl.c (c_make_fname_decl): New function.
3556 (init_decl_processing): Set make_fname_decl.
3558 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
3560 * cccp.c (handle_directive): Initialize backslash_newlines_p.
3562 2000-03-07 Philipp Thomas <pthomas@suse.de>
3564 * po/POTFILES.in: Remove cppalloc.c from file list.
3566 2000-03-07 Steve Chamberlain <sac@pobox.com>
3568 * pj.c (pj_expand_prologue): current_function->args_info is
3569 now current_function_args_info.
3571 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
3572 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
3573 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
3575 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3577 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
3578 output as hexadecimal rather than the default octal.
3580 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
3582 * cpphash.c (special_symbol): Fix thinko in previous commit.
3584 2000-03-07 Neil Booth <NeilB@earthling.net>
3586 * cppexp.c (struct operation, left_shift, right_shift,
3587 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
3588 "int"s to "unsigned int"s.
3589 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
3591 * cpplib.h: Update for above.
3592 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
3593 returned from allocations.
3595 * cppinit.c (opt_comp, parse_options): New functions.
3596 (handle_option): Use parse_option to parse a single command
3597 line option, that possibly takes an argument.
3598 (cpp_handle_options): Sort the array of command line options on
3599 first invocation (non-ASCII hosts only).
3600 (print_help): Update.
3602 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
3604 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
3605 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
3607 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
3609 * cppinit.c (cpp_cleanup): Free imp->nshort also.
3611 * cpperror.c (cpp_print_containing_files,
3612 cpp_print_file_and_line, v_cpp_message): Rename to
3613 print_containing_files, print_file_and_line, and v_message.
3614 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
3615 to _cpp_parse_expr, parse_escape, and lex.
3616 (parse_charconst): Remove broken multibyte support.
3617 * cppfiles.c (include_hash): Make static.
3618 (cpp_included): New function.
3619 (merge_include_chains, find_include_file, finclude,
3620 simplify_pathname): Rename to _cpp_merge_include_chains,
3621 _cpp_find_include_file, _cpp_read_include_file, and
3622 _cpp_simplify_pathname.
3623 * cpphash.c (cpp_lookup, free_definition, delete_macro,
3624 cpp_install, create_definition, macroexpand, compare_defs,
3625 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
3626 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
3627 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
3628 * cppinit.c (cpp_handle_option): Rename to handle_option, make
3630 * cpplib.c: Remove extern prototype of cpp_parse_expr.
3632 * cpphash.h: Update prototypes.
3633 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
3635 2000-03-07 Andrew Haley <aph@cygnus.com>
3637 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
3638 PTRDIFF_TYPE should be based solely on Pmode.
3641 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3643 * rtl.h (rtunion_def): Constify member `rtstr'.
3644 (emit_line_note_after, emit_line_note, emit_line_note_force,
3645 emit_note, decode_asm_operands): Constify.
3647 * cse.c (canon_hash): Likewise.
3649 * dbxout.c (dbxout_block): Likewise.
3651 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
3652 v_warning_for_asm): Likewise.
3654 * dwarfout.c (function_start_label): Likewise.
3656 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
3657 emit_line_note_force): Likewise.
3659 * final.c (last_filename, asm_insn_count, final_scan_insn,
3660 output_source_line): Likewise.
3662 * function.h (struct emit_status): Likewise.
3664 * gcse.c (hash_expr_1): Likewise.
3666 * genattr.c (gen_attr, main): Likewise.
3668 * genattrtab.c (struct function_unit, current_alternative_string,
3669 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
3670 attr_numeral, check_attr_test, check_attr_value,
3671 convert_set_attr_alternative, convert_set_attr,
3672 compute_alternative_mask, simplify_by_exploding, gen_attr,
3673 gen_unit): Likewise.
3675 * genflags.c (gen_insn): Likewise.
3677 * gengenrtl.c (type_from_format): Likewise.
3679 * genopinit.c (gen_insn): Likewise.
3681 * genoutput.c (n_occurrences, process_template, process_template):
3684 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
3687 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
3690 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
3691 ggc_set_mark, ggc_get_size): Likewise.
3693 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
3695 * optabs.c (init_one_libfunc): Likewise.
3697 * output.h (assemble_start_function): Likewise.
3699 * recog.c (decode_asm_operands): Likewise.
3701 * toplev.c (rest_of_compilation): Likewise.
3703 * tree.h (emit_line_note_after, emit_line_note,
3704 emit_line_note_force): Likewise.
3706 * varasm.c (asm_output_bss, asm_output_aligned_bss,
3707 asm_emit_uninitialised, assemble_start_function,
3708 assemble_variable, const_hash, compare_constant_1,
3709 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
3711 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
3713 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
3715 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
3717 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
3719 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
3720 arm_dllimport_name_p): Likewise.
3722 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
3725 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
3727 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3729 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
3730 arm_mark_dllexport, arm_mark_dllimport,
3731 arm_pe_encode_section_info): Likewise.
3733 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
3734 ASM_FINISH_DECLARE_OBJECT): Likewise.
3736 * arm/thumb.c (thumb_function_prologue): Likewise.
3738 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
3740 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3742 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
3744 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
3746 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
3748 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3750 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
3751 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
3753 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
3755 * i386/i386.c (asm_output_function_prefix): Likewise.
3757 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
3759 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3761 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
3763 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
3764 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
3765 ASM_OUTPUT_SECTION_NAME): Likewise.
3767 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
3769 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
3771 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
3773 * m32r/m32r.c (m32r_encode_section_info): Likewise.
3775 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3777 * mcore/mcore.c (mcore_encode_section_info): Likewise.
3779 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3781 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3783 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3785 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
3787 * mips/mips.md (movdi, movsi): Likewise.
3789 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3791 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3793 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3795 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
3796 ASM_OUTPUT_ASCII): Likewise.
3798 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
3799 output_mi_thunk, output_toc): Likewise.
3801 * rs6000/rs6000.md (movsi): Likewise.
3803 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
3805 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
3807 * v850/v850.c (print_operand, print_operand_address,
3808 v850_encode_data_area): Likewise.
3810 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
3812 * config/mips/mips.md (zero_extendsidi2): Always force operand
3813 one to memory for mips16.
3815 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3817 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
3818 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
3819 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
3820 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
3821 (min_precision): Result is unsigned.
3822 (add_double, neg_double, mul_double): Low word is unsigned.
3823 (lshift_double, rshift_double, lrotate_double): Likewise.
3824 (rrotate_double, div_and_round_double): Likewise.
3825 (tree_floor_log2, compare_tree_int): New functions.
3826 (preserve_rtl_expr_temps): New declaration.
3827 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
3828 (decl_attributes): Use tree_log2 to find alignment.
3829 Check for TREE_INT_CST_HIGH for format args.
3830 (min_precision): Now unsigned.
3831 Use tree_floor_log2.
3832 (truthvalue_conversion): Delete long-disabled code.
3833 * c-decl.c (finish_struct): Clean up tests on field width.
3834 (finish_function): Use compare_tree_int.
3835 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
3836 * c-typeck.c (comptypes): Use tree_int_cst_equal.
3837 (default_conversion, digest_init): Use compare_tree_int.
3838 (build_binary_op): Use integer_all_onesp and compare_tree_int.
3839 Fix type errors in forming masks.
3840 * calls.c (initialize_argument_information): Use compare_tree_int.
3841 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
3842 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
3843 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
3844 (store_field): Use compare_tree_int.
3845 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
3846 (expand_expr, case ARRAY_REF): Use compare_tree_int.
3847 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
3848 (do_store_flag): Use compare_tree_int.
3849 * fold-const.c (encode, decode): Low part is always unsigned.
3850 (force_fit_type, add_double, neg_double, mul_double): Likewise.
3851 (lshift_double, rshift_double, lrotate_double): Likewise.
3852 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
3853 (fold_convert): Use compare_tree_int.
3854 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
3855 (invert_truthvalue, case INTEGER_CST): Likewise.
3856 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
3857 * mkdeps.c (deps_dummy_targets): Make I unsigned.
3858 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
3859 (lshift_double, rshift_double, lrotate_double, rrotate_double):
3861 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
3862 (expand_end_case): Use compare_tree_int.
3863 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
3864 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
3865 (layout_decl): Likewise.
3866 (layout_record, layout_union): Make sizes unsigned.
3867 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
3868 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
3869 * tree.c (struct type_hash): hashcode is unsigned.
3870 (build_type_attribute_variant, type_hash_list): Likewise.
3871 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
3872 (attribute_hash_list, build_array_type, build_method_type): Likewise.
3873 (build_complex_type): Likewise.
3874 (real_value_from_int_cst): Remove unneeded casts.
3875 (integer_all_onesp): Add casts.
3876 (tree_floor_log2, compare_tree_int): New functions.
3877 (build_index_type): Use tree_int_cst_sgn.
3878 * varasm.c (assemble_variable): Use compare_tree_int.
3880 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
3882 * cpphash.c (collect_expansion): Also catch ## at start of macro.
3884 * varasm.c (make_decl_rtl): Don't add a number to members of
3886 (make_function_rtl): Likewise.
3888 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3890 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
3891 patch from 2000-01-28.
3893 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
3895 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
3896 filled with an insn from the jump target.
3898 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3900 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
3901 (c4x_external_ref): Likewise.
3902 * config/c4x/c4x.c (struct name_list): Likewise.
3904 1999-12-16 Ben Collins <bcollins@debian.org>
3906 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
3907 argument to genmultilib.
3908 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
3909 the contents into the multilib.h header.
3910 * gcc.c: Declare multilib_exclusions for the specs file.
3911 (set_multilib_dir): Use it.
3912 (print_multilib_info): Likewise.
3913 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
3914 to pass to genmultilib.
3916 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3918 * builtins.c (built_in_class_names, built_in_names): Constify a
3921 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
3923 (_mcleanup): Ensure value matches format specifier in sprintf.
3925 * cpphash.c (special_symbol): Don't needlessly cast away
3928 * cppinit.c (base_name): Delete unused prototype.
3930 * mkdeps.c (deps_init): Make definition K&R safe.
3932 * tree.h (built_in_class_names, built_in_names): Constify a
3935 2000-03-06 Jakub Jelinek <jakub@redhat.com>
3937 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
3938 floating point instructions for epilogue delay.
3940 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
3941 to gas if it supports .register pseudo.
3943 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
3944 LONG_DOUBLE_TYPE_SIZE if not defined.
3945 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
3946 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
3948 * gengenrtl.c: Likewise.
3949 * print-rtl.c: Likewise.
3951 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
3952 MASK_LONG_DOUBLE_128.
3953 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
3954 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
3955 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
3956 (SUBTARGET_SWITCHES): Define.
3957 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
3958 with -mlong-double-128.
3959 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
3960 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
3961 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
3962 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
3963 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
3964 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
3965 with -mlong-double-128.
3966 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
3967 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
3968 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
3969 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
3970 TARGET_LONG_DOUBLE_128): Define.
3971 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
3972 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
3973 long double on TARGET_ARCH64.
3975 2000-03-06 Mark Mitchell <mark@codesourcery.com>
3977 * function.c (free_temps_for_rtl_expr): Don't free slots
3978 that have been pushed into a higher level.
3981 2000-03-05 Mark Mitchell <mark@codesourcery.com>
3983 2000-03-05 Mark Mitchell <mark@codesourcery.com>
3985 * basic-block.h (ALLOCA_REG_SET): Remove.
3986 (INITIALIZE_REG_SET): New macro.
3987 * flow.c (update_life_info): Use it.
3988 (calculate_global_regs_live): Likewise.
3989 (propagate_block): Likewise.
3990 * global.c (build_insn_chain): Likewise.
3991 * haifa-sched.c (schedule_region): Likewise.
3993 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
3995 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
3996 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
3997 (DWARF_ARANGES_PAD_SIZE): New define.
3998 (output_aranges): Use it to pad the address range header.
3999 (DWARF_ROUND): Fix for non power of 2 rounding.
4001 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
4003 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
4005 2000-03-05 Mark Mitchell <mark@codesourcery.com>
4007 * tree.def (RTL_EXPR): Update documentation.
4008 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
4009 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
4010 * function.c (preserve_rtl_expr_temp): New function.
4011 (preserve_rtl_expr_temps): Likewise.
4012 (preserve_rtl_expr_result): Use it.
4015 2000-03-04 Mark Mitchell <mark@codesourcery.com>
4017 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
4019 * regmove.c (copy_src_to_dest) Do not create src->dest move
4020 for unchanging destination.
4022 2000-03-04 Mark Mitchell <mark@codesourcery.com>
4024 * function.h (struct sequence_stack): Remove rtl_expr.
4025 (struct emit_staus): Likewise.
4026 (seq_rtl_expr): Remove.
4027 * tree.h (free_temps_for_rtl_expr): Don't declare.
4028 (start_sequence_for_rtl_expr): Likewise.
4029 * rtl.h (preserve_rtl_expr_result): Likewise.
4030 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
4031 (start_sequence_for_rtl_expr): Remove.
4032 (push_topmost_sequence): Don't save sequence_rtl_expr.
4033 (pop_topmost_sequence): Remove comment about not restoring it.
4034 (end_sequence): Don't set seq_rtl_expr.
4035 (init_emit): Don't initialize it.
4036 (mark_sequence_stack): Don't mark it.
4037 (mark_emit_status): Likewise.
4038 * except.c (protect_with_terminate): Use
4039 start_sequence_for_rtl_expr, not start_sequence.
4040 * expr.c (expand_expr, case RTL_EXPR): Don't call
4041 preserve_rtl_expr_result or free_temps_for_rtl_expr.
4042 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
4043 (preserve_rtl_expr_result): Remove.
4044 (free_temps_for_rtl_expr): Likewise.
4045 (pop_temp_slots): Likewise.
4046 (mark_temp_slot): Don't mark the rtl_expr.
4047 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
4048 start_sequence_for_rtl_expr.
4050 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
4052 * mkdeps.c, mkdeps.h: New files.
4053 * po/POTFILES.in: Add them.
4054 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
4055 (cpplib.o, cppinit.o): Depend on mkdeps.h.
4056 (mkdeps.o): New target.
4058 * cppfiles.c: Delete deps_output.
4059 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
4060 OBJECT_SUFFIX, and base_name.
4061 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
4063 (initialize_dependency_output): Use deps_init,
4064 deps_add_target, deps_calc_target, and deps_add_dep. Remove
4065 all the unnecessary string bashing.
4066 (cpp_finish): Use deps_write. Remove an unnecessary nesting
4068 * cpplib.c (do_include): Use deps_add_dep.
4069 * cpplib.h (struct cpp_reader): Replace deps_buffer,
4070 deps_allocated_size, deps_size, deps_column members with
4071 single pointer to a struct deps. Delete prototype of
4074 * cppinit.c: Fix thinko in previous patch.
4076 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4078 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
4079 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
4080 (mode_for_size_tree): New function.
4081 (layout_decl, layout_type): Call it and clean up BLKmode checks.
4082 * tree.h (mode_for_size_tree): New declaration.
4084 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
4086 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
4088 * stmt.c (is_body_block): Move...
4089 * dwarfout.c, dwarf2out.c: ...from here.
4090 * tree.h: Declare it.
4091 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
4092 * final.c (final_start_function): Do call remove_unnecessary_notes
4095 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
4097 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
4099 * cpplib.h (_dollar_ok): New macro.
4100 (is_idchar, is_idstart): Use it.
4101 (IStable): Rename to _cpp_IStable. Declare it const if
4102 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
4103 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
4104 is_space): Update for renamed IStable.
4106 * cppinit.c: Delete all references to FAKE_CONST and CAT
4107 macros. Define init_IStable as empty macro if gcc >=2.7 or
4108 C99. Change TABLE() to ISTABLE and hardcode name of table.
4109 (cpp_start_read): Don't change the IStable based on
4112 * cpphash.c (unsafe_chars): Add pfile argument. All callers
4113 changed. Handle '$' for char1 correctly.
4114 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
4116 * cppexp.c (tokentab2): Make const.
4117 (cpp_lex): Make toktab const.
4118 * cppinit.c (include_defaults_array): Make const.
4119 (initialize_standard_includes): Make default_include const.
4121 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
4123 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
4124 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
4125 (gen_decl_die): Likewise.
4126 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
4127 (output_decl): Likewise.
4129 * varasm.c (make_function_rtl): If we change the name used in the
4130 rtl, update DECL_ASSEMBLER_NAME accordingly.
4131 (make_decl_rtl): Likewise.
4133 * toplev.c (rest_of_compilation): Tweak formatting.
4135 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
4136 remove_unnecessary_notes.
4137 (debug_ignore_block): New fn.
4138 * toplev.h: Declare it.
4139 * emit-rtl.c (remove_unncessary_notes): Call it.
4140 * dwarf2out.c (dwarf2out_ignore_block): New fn.
4141 * dwarf2out.h: Declare it.
4142 * final.c (final_start_function): Don't call remove_unnecessary_notes
4143 if we did insn scheduling.
4145 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
4147 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
4148 * cpplib.h: Delete SET_CPP_PEDANTIC.
4150 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4152 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
4153 result is a RECORD_TYPE.
4155 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
4157 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
4159 2000-03-03 Richard Henderson <rth@cygnus.com>
4161 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
4162 addition over compliments over shifts.
4164 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4166 * reload1.c (reload_combine_note_use): Handle return register USEs.
4167 REG case: Handle multi-hard-register hard regs.
4169 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4171 * md.texi: Document use of '*' in insn pattern name.
4173 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
4175 * calls.c (special_function_p): operator new may not be malloc-like.
4177 * gcse.c (dump_hash_table): Really fix error in last change.
4179 2000-03-02 Denis Chertykov <denisc@overta.ru>
4181 * avr.c (print_operand): Use print_operand_address instead of
4183 * avr/libgcc.S: Cleanup code.
4185 2000-03-02 Richard Henderson <rth@cygnus.com>
4187 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
4189 2000-03-02 Mark Mitchell <mark@codesourcery.com>
4191 * tree.h (TYPE_ALIGN_UNIT): New macro.
4193 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
4195 * i386.c: (constant_call_address_operand): Reject CONST_INT.
4197 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
4199 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
4201 (SET_CPP_PEDANTIC): New macro.
4202 * cpplib.c (do_include): Don't bother checking system_header_p.
4203 (do_warning, do_ident, do_assert, do_unassert): Likewise.
4204 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
4206 * function.h (struct expr_status): Add x_arg_space_so_far.
4207 (arg_space_so_far): New macro.
4208 * expr.c (init_expr): Initialize it.
4209 * calls.c (emit_call_1): Reset it.
4210 (compute_argument_block_size, expand_call): Use it.
4211 (expand_call, store_one_arg): Increment it.
4213 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4215 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
4218 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
4220 * cppfiles.c (cpp_read_file): New function.
4222 * cpphash.c (collect_expansion): Make sure to reset last_token
4223 to NORM when we hit a string. Handle trailing whitespace
4224 properly when the expansion is empty.
4225 (create_definition): Disable line commands while parsing the
4227 (dump_definition): If pfile->lineno == 0, output a line
4228 command ahead of the dump, and add a trailing newline.
4230 * cppinit.c (append_include_chain): Add fifth argument, which
4231 indicates whether or not system headers are C++ aware.
4232 (initialize_standard_includes): New function,
4233 broken out of read_and_prescan. Pass 'cxx_aware' value from
4234 the include_defaults_array on to append_include_chain.
4235 (dump_special_to_buffer): Const-ify char array.
4236 (builtin_array): Don't dump __BASE_FILE__.
4237 (cpp_start_read): Use cpp_read_file. Reorder code for
4238 clarity. Don't output line commands here for -D/-A/-U
4239 switches. Don't call deps_output for files included with
4240 -include or -imacros.
4242 * cpplib.c (do_define): Don't pay any attention to the second
4244 (cpp_expand_to_buffer): Disable line commands while scanning.
4245 (output_line_command): Work in the file buffer.
4246 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
4247 Fix formatting of comments. Prototype cpp_read_file.
4249 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4251 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
4252 reference the language-equivalent of sizetype.
4253 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
4254 * fold-const.c (size_binop, size_diffop): Put back checks.
4255 * gcse.c (dump_hash_table): Fix minor error in last change.
4256 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
4257 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
4260 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
4262 * calls.c (expand_call) Do not attempt to combine stack adjustments
4263 with inhibit_defer_pop set.
4265 2000-03-01 Mark Mitchell <mark@codesourcery.com>
4267 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
4268 the DECL_SIZE for a FIELD_DECL.
4270 2000-03-01 Bruce Korb <bkorb@gnu.org>
4272 * fixinc/inclhack.tpl: remove unused symlinks
4273 * fixinc/README: GCC Maintainer info
4274 * fixinc/inclhack.sh: regen
4275 * fixinc/fixincl.sh: regen
4277 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
4279 * cpphash.c (collect_expansion): Trim trailing white space
4280 from macro definitions, but don't go past the last insertion
4283 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
4285 * i386.md (mulqi3): New pattern.
4287 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
4289 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
4291 (struct cpp_reader): Add parsing_if_directive and
4292 parsing_define_directive flags.
4293 (struct cpp_options): Remove output_conditionals flag.
4294 (check_macro_name): Delete prototype.
4296 * cpphash.h (struct macrodef): Delete.
4297 (struct reflist): Separate from struct definition.
4298 (struct definition): Remove unused fields. Add column number.
4299 (create_definition): Returns a DEFINITION *. Takes a
4300 cpp_reader * and an int.
4302 * cpphash.c (SKIP_WHITE_SPACE): Delete.
4303 (PEEKC): Copy defn from cpplib.c.
4304 (rest_extension, REST_EXTENSION_LENGTH): Delete.
4306 (struct arglist): Simplify.
4307 (collect_expansion): Rewrite. Get tokens by calling
4308 cpp_get_token. Add more error checking.
4309 (collect_formal_parameters): New function, broken out of
4310 create_definition and reworked to use get_directive_token.
4311 (create_definition): All real work is now in collect_expansion
4312 and collect_formal_parameters. do_define handles finding the
4313 macro name. Return a DEFINITION, not a MACRODEF.
4314 (macroexpand): Replace bcopy with memcpy throughout. Replace
4315 character-at-a-time copy loop with memcpy and pointer increments.
4316 (compare-defs): d1->argnames / d2->argnames might be null.
4318 * cpplib.c (copy_rest_of_line): Delete function.
4319 (skip_rest_of_line): Do all the work ourselves.
4320 (skip_string): New function.
4321 (parse_string): Use skip_string.
4322 (get_macro_name): New function.
4323 (check_macro_name): Delete.
4324 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
4325 (cpp_skip_hspace): Use CPP_BUMP_LINE.
4326 (handle_directive): ICE if we're called on a macro buffer.
4327 (do_define): Determine macro name and type (funlike/objlike)
4328 here. Expunge all uses of MACRODEF.
4329 (cpp_push_buffer): Set line_base to NULL.
4330 (do_undef, read_line_number): Don't worry about getting a POP token.
4331 (eval_if_expression): Set/reset parsing_if_directive around
4332 cpp_parse_expr. Don't clear only_seen_white.
4333 (skip_if_group): Remove output_conditionals logic. Use
4335 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
4336 tokens under appropriate conditions.
4337 (cpp_unassert): Call do_unassert not do_assert. Oops.
4339 * cppexp.c (parse_defined): New function, break out of
4341 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
4342 ourselves, with cpp_defined.
4343 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
4345 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
4346 * gcc.dg/strpaste-2.c: New.
4348 2000-02-29 Mark Mitchell <mark@codesourcery.com>
4350 * fold-const.c (size_binop): Don't asert inputs are the same and
4351 have TYPE_IS_SIZETYPE set.
4352 (size_diffop): Likewise.
4354 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
4356 * dwarfout.c (output_block): Output abstract blocks even if they
4357 don't have TREE_ASM_WRITTEN set.
4359 * calls.c (emit_library_call): Check for null REG.
4361 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
4363 * c-decl.c (current_function_decl): Move to toplev.c.
4364 (init_decl_processing): Don't add current_function_decl as a ggc
4366 * dbxout.c (dbxout_symbol): Change return type to int.
4367 (dbxout_symbol_location, dbxout_syms): Likewise.
4368 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
4369 any locals. Use current_function_func_begin_label if set.
4370 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
4371 * dwarf2out.c (dwarf2out_begin_prologue): Set
4372 current_function_func_begin_label.
4373 * final.c (final_start_function): Reset it.
4374 * toplev.c (current_function_decl): Define it here.
4375 (current_function_func_begin_label): New variable.
4376 (main): Add both as ggc roots.
4377 * tree.h (current_function_func_begin_label): Declare.
4379 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4381 * gcse.c: Cleanups throughout: mostly white-space, but also
4382 some minor rearrangement of code.
4384 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
4386 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
4387 returns a PARALLEL. Use emit_group_load and use_group_regs
4389 (emit_library_call_value): Similarly.
4391 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
4392 * pa/quadlib.asm: Remove.
4393 * pa/quadlib.c: New file.
4395 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
4396 * configure: Rebuilt.
4398 2000-02-29 Philip Blundell <pb@futuretv.com>
4400 * config/arm/conix-elf.h: New file.
4401 * configure.in (arm*-*-conix*): New configuration.
4402 * configure: Regenerate.
4404 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
4406 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
4407 don't have TREE_ASM_WRITTEN set.
4409 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4411 * Eliminate DECL_FIELD_SIZE.
4412 * builtins.c (built_in_class_names, built_in_names): New variables.
4413 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
4414 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
4415 DECL_SIZE, not DECL_FIELD_SIZE.
4416 * print-tree.c (print_node): Remove code that prints extra blank
4417 lines in some cases.
4418 Properly handle inline and builtin function cases.
4419 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
4420 * tree.h (built_in_class_named, built_in_names): New declarations.
4421 (union tree_decl): Rename internal unions to u1 and u2 and change
4422 some of their components.
4423 Add new field built_in_class.
4424 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
4425 Reflect above changes.
4426 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
4427 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
4428 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
4429 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
4431 2000-02-28 Dmitri Makarov <dim@windriver.com>
4433 * extend.texi: Document ARM's support for long/short calls.
4435 * invoke.texi: Document ARM's -mlong-calls command line switch.
4437 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
4438 (arm_encode_call_attribute): Add prototype.
4439 (arm_set_default_type_attribute): Add prototype.
4440 (arm_strip_name_encoding): Add prototype.
4442 * config/arm/arm.c (arm_init_cumulative_args): replace
4443 initialisation og 'long_calls' field with initialisation of
4444 'call_cookie' field.
4445 (enum arm_pragma_enum): New enum.
4446 (arm_pragma_long_calls): New static variable.
4447 (arm_process_pragma): Also process "#pragma long_calls_off".
4448 (arm_valid_type_attribute_p): Accept short_call attribute.
4449 (arm_comp_type_attributes): Check long/short call attributes.
4450 (arm_encode_call_attribute): New function: Encode long_call
4451 or short_call attribute in function name.
4452 (arm_set_default_type_attributes): New function: Assign
4453 default attributes to newly defined type.
4454 (current_file_function_operand): New function: Return true if
4455 the symbol is a function which has already been compiled.
4456 (arm_is_longcall_p): New function: Return true if the
4457 indicated function should be called via a long call.
4458 (arm_get_strip_length): New function. Returns number of
4459 prefix characters to be stripped from a function's name.
4460 (arm_strip_name_encoding): New function. Strip prefix characters
4461 from a function's name.
4463 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
4465 (SHORT_CALL_FAG_CHAR): Define.
4466 (LONG_CALL_FAG_CHAR): Define.
4467 (ENCODED_SHORT_CALL_ATTR_P): Define.
4468 (ENCODED_LONG_CALL_ATTR_P): Define.
4469 (ARM_NAME_ENCODING_LENGTHS): Define.
4470 (STRIP_NAME_ENCODING): Define.
4471 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
4472 (ARM_ENCODE_CALL_TYPE): Define.
4473 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
4474 (ARM_DECLARE_FUNCTION_SIZE): Define.
4475 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
4477 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
4478 if a long call is needed.
4479 (call_value): Ditto.
4480 (call_symbol): Ditto.
4482 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
4483 ARM_DECLARE_FUNCTION_SIZE.
4485 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
4486 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
4487 (ARM_STRIP_NAME_ENCODING): Undefine.
4488 (STRIP_NAME_ENCODING): Undefine.
4489 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
4490 (ASM_DECLARE_FUNCTION_NAME): Ditto.
4491 (ASM_OUTPUT_COMMON): Ditto.
4492 (ASM_DECLARE_OBJECT_NAME): Ditto.
4494 * config/arm/pe.c (arm_dllexport_name_p): Check for
4496 (arm_dllimport_name_p): Ditto.
4497 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
4498 (arm_mark_dllimport): Ditto.
4500 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4502 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
4504 2000-02-28 Mark Mitchell <mark@codesourcery.com>
4506 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
4508 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
4510 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
4511 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
4512 NO_BUILTIN_WCHAR_TYPE is not defined.
4513 (CPP_WCHAR_TYPE): Delete.
4514 * cccp.c (main): Don't change wchar_type if cplusplus.
4515 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
4517 2000-02-28 Nick Clifton <nickc@cygnus.com>
4519 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
4521 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
4523 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
4524 (ASM_WEAKEN_LABEL): Define.
4526 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
4528 * expr.c (store_constructor): Do not emit USE.
4529 * rtl.h (stupid_life_analysis): Remove.
4531 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4533 * function.c (number_blocks): Reset next_block_index based on
4534 what debugging format is used, not what is defined.
4536 * lcm.c: Minor reformatting throughout.
4537 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
4539 * toplev.c (rest_of_compilation): Account for time in
4540 optimize_mode_switching.
4542 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
4543 if only marking labels.
4545 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
4547 * calls.c (expand_call): Attempt to combine stack adjustments with
4548 pending stack adjustments.
4550 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4552 * loop.c (reg_in_basic_block_p): Don't abort when falling through
4553 to the end of the function.
4555 2000-02-27 Mark Mitchell <mark@codesourcery.com>
4557 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
4559 * final.c (next_block_index): Remove.
4560 (max_block_depth): Likewise.
4561 (pending_blocks): Likewise.
4562 (init_final): Don't initialize them.
4563 (final_start_function): Don't set next_block_index. Set up
4565 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
4566 * function.h (number_blocks): New function.
4567 * function.c (get_block_vector): New function.
4568 (identify_blocks): Use it.
4569 (reorder_blocks): Set NOTE_BLOCK.
4570 (number_blocks): New function.
4571 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
4572 * tree.h (BLOCK_NUMBER): New macro.
4573 (tree_block): Add block_num field.
4574 * dbxout.c (next_block_number): Remove.
4575 (dbxout_init): Don't set it.
4576 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
4577 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
4579 * toplev.c (rest_of_compilation): Always call
4580 find_loop_tree_blocks. Fix indentation.
4581 * dwarf2out.c (next_block_number): Remove.
4582 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
4583 to determine block numbers.
4584 (gen_inlined_subroutine_die): Likewise.
4585 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
4586 (decls_for_scope): Don't increment next_block_number.
4587 * dwarfout.c (next_block_number): Remove.
4588 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
4589 to determine block numbers.
4590 (output_inlined_subroutine_die): Likewise.
4591 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
4592 (output_decls_for_scope): Don't increment next_block_number.
4593 * sdbout.c (next_block_number): Remove.
4594 (sdbout_block): Use BLOCK_NUMBER.
4595 (sdbout_begin_block): Simplify.
4596 * xcoffout.c (next_block_number): Remove.
4597 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
4598 (xcoffout_begin_block): Don't set next_block_number.
4599 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
4602 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4604 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
4605 (expand_builtin_strcpy): Pass correct type to size_binop.
4606 (expand_builtin_strcmp): Likewise.
4607 Clean up conditional structure.
4608 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
4609 (complete_array_type): Don't use size_binop for MAXINDEX.
4610 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
4611 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
4612 (c_alignof): Use size_one_node.
4613 (build_unary_op): Pass arg of proper type to size_binop.
4614 (really_start_incremental_init, push_init_level): Use sizetype for
4615 constructor{,_bit,_unfilled}_index.
4616 (pop_init_label, output_init_element): Likewise.
4617 (output_pending_init_elements, process_init_element): Likewise.
4618 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
4619 * expr.c (store_expr): Use size_int.
4620 (store_constructor): Use proper types for size_binop args.
4621 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
4622 (expand_expr_unaligned): Likewise.
4623 (string_contant): Return object of sizetype.
4624 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
4625 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
4626 (ARGS_SIZE_TREE): Pass proper types to size_binop.
4627 * fold-const.c (int_const_binop): Refine when size_int is called.
4628 (fold_convert): Likewise.
4629 (size_int_wide): Rework to take KIND as arg, only take low order
4630 bits, handle new sizetype_tab datatype, and chain entries in
4632 (size_int_type_wide): New function.
4633 (size_binop): Validate types of arguments.
4634 (ssize_binop): Deleted.
4635 (size_diffop): New function.
4636 (extract_muldiv): Only fold division into multiplication for sizetypes.
4637 * function.c (assign_parms): Use size_diffop and make sure
4638 VAR field is of ssizetype; also pass proper type to size_binop.
4639 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
4640 (round_down): Deleted from here.
4641 * store-layout.c (sizetype_tab): Now an array.
4642 (sizetype_set, early_root_list): New variables.
4643 (variable_size): Use size_one_node.
4644 (round_up): Pass proper type to size_binop.
4645 (round_down): Moved to here and corrected as above.
4646 (layout_record): Pass proper arg types to size_binop.
4647 (layout_type): Likewise.
4648 If sizetype_set is zero, record the type just laid out.
4649 (make_unsigned_type): Don't call set_sizetype;
4650 (make_signed_type): Likewise; also, call fixup_signed_type.
4651 (initialize_sizetypes): New function.
4652 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
4653 set name of bitsizetype to "bit_size_type".
4654 Fix up type of sizes of all types made before call.
4655 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
4656 * tree.c (fix_sizetype): Deleted.
4657 (build_common_tree_nodes): Call initialize_sizetypes.
4658 (build_common_tree_nodes_2): Don't call fix_sizetype.
4659 * tree.h (TYPE_IS_SIZETYPE): New macro.
4660 (initialize_sizetype): New declaration.
4661 (enum size_type_kind): New type.
4662 (struct sizetype_tab): Deleted.
4663 (sizetype_tab): Now array; adjust sizetype macros.
4664 (size_diffop, size_int_type_wide): New functions.
4665 (size_int_wide): Change number of args and type; access macros changed.
4666 (ssize_int, sbitsize_int): New macros.
4667 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
4668 (ROUND_TYPE_SIZE_UNIT): New macro.
4670 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
4672 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
4674 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4676 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
4677 Mark as possibly unused.
4679 * cse.c (cse_insn): Delete dead code involving tablejump.
4680 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
4682 * Makefile.in (libcpp.a): Start by deleting it.
4684 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4686 * cpplib.h (enum file_change_code): Added rename_file.
4687 * cpplib.c (do_line): If a filename is given, set file_change to
4689 (output_line_command): If file_change is rename_file, always
4690 output a # directive with the file name.
4692 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
4694 2000-02-26 Mark Mitchell <mark@codesourcery.com>
4696 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
4697 when copying a PARM_DECL or RESULT_DECL.
4699 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4701 * fix-header.c (recognized_function): Also fix prototypes for
4702 functions taking "void".
4704 2000-02-26 Geoff Keating <geoffk@cygnus.com>
4706 * reload1.c (do_output_reload): Check reg_reloaded_valid before
4707 looking at reg_reloaded_contents.
4709 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
4711 * Makefile.in (STMP_FIXINC): New toggle.
4712 (LIBGCC2_DEPS): Delete all references.
4713 (stmp-headers): Delete target. All references either deleted
4714 or changed to stmp-int-headers.
4715 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
4716 (LIBCPP_OBJS): Take out cppalloc.o.
4717 (cppalloc.o): Delete target.
4718 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
4719 (gen-protos, fix-header): Link with libiberty.a.
4720 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
4723 * configure.in: Remove refs to strerror.
4724 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
4725 * system.h: Take out strerror stanza.
4727 * cpperror.c (my_strerror): Delete function.
4728 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
4729 * cppmain.c (main): Call xmalloc_set_program_name first thing.
4730 * cppalloc.c: Delete file.
4731 * gen-protos.c: Don't provide xrealloc.
4733 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
4734 xstrerror throughout.
4736 2000-02-26 Bruce Korb <bkorb@gnu.org>
4738 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
4739 match for DOS headers, too.
4740 * fixinc/inclhack.sh,fixincl.x: Regenerate.
4742 2000-02-26 Geoff Keating <geoffk@cygnus.com>
4744 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
4745 is right for most ELF targets.
4746 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
4747 Let the default file use %U properly.
4748 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
4751 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
4754 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4756 * toplev.c (documented_lang_options): Correct spelling error.
4757 (decode_d_option, decode_f_option, main): Likewise.
4759 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
4761 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
4762 to tell assembler it is permitted to expand large constants.
4764 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
4766 * protoize.c: (AUX_INFO_SUFFIX): New macro.
4767 (aux_info_suffix): Use.
4768 (SAVE_SUFFIX): New macro.
4770 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
4771 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
4772 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
4774 * invoke.texi (Running Protoize): Update documentation.
4776 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
4778 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
4780 2000-02-25 John Wehle (john@feith.com)
4782 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
4784 2000-02-25 Anthony Green <green@cygnus.com>
4786 * toplev.c (rest_of_compilation): Rebuild jump labels if
4787 combine_instructions has created a new direct jump.
4788 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
4790 (combine_instructions): Call try_combine with new argument.
4791 Return non-null value when new direct jump instruction is created.
4792 * rtl.h: combine_instructions returns an int.
4794 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
4796 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
4797 jump when changing a computed jump into a jump to a known
4800 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
4802 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
4803 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
4805 * i386.md (define_expand "clrstrsi"): Fix typo.
4807 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
4809 * rtl.texi: Fix typo.
4811 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4813 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
4814 UNITS_PER_WORD. Change caller initial_elimination_offset.
4815 (rounded_frame_size): Take into account that argument pushed has
4816 changed. Fix TARGET_ALIGN_DOUBLE problem.
4818 2000-02-25 Geoff Keating <geoffk@cygnus.com>
4820 * haifa-sched.c (schedule_block): Explain the real reason
4821 we delete REG_SAVE_NOTEs on the first insn of a block.
4822 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
4824 2000-02-24 Mark Mitchell <mark@codesourcery.com>
4826 * input.h (push_srcloc): New function.
4827 (pop_srcloc): Likewise.
4828 * toplev.c (push_srcloc): Define it.
4829 (pop_srcloc): Likewise.
4831 2000-02-24 Richard Henderson <rth@cygnus.com>
4833 * flow.c (life_analysis): When collecting reg info, clear
4836 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4838 Fix bug exposed by reload.c no longer rounding the frame
4839 size to BIGGEST_ALIGNMENT:
4840 * sh.c (rounded_frame_size): New function.
4841 (sh_expand_prologue, sh_expand_epilogue): Use it.
4842 (initial_elimination_offset): Likewise.
4844 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4846 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
4847 * sh-protos.h (sh_need_epilogue): Declare.
4848 * sh.c (sh_need_epilogue_known): New static variable.
4849 (sh_need_epilogue): New function.
4850 (function_epilogue): Clear need_epilogue_known.
4851 * sh.md (return): Split into expander / insn pattern.
4852 Make the expander conditional on ! sh_need_epilogue ().
4854 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
4856 * machmode.h (get_mode_alignment): Declare.
4857 (GET_MODE_ALIGNMENT): Call it.
4858 * stor-layout.c (get_mode_alignment): New function. Make
4859 sure alignment is always power of 2.
4861 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4863 * i386.h: Remove useless definition of "I386" and misleading
4866 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4868 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
4869 under which TREE_PERMANENT will be set.
4870 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
4871 build1): Use TREE_SET_PERMANENT.
4872 * print-tree.c (print_node): Don't report value of
4873 TREE_PERMANENT if ggc_p is true.
4875 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
4876 decide whether to give a type a new alias set.
4877 * objc/objc-act.c (build_objc_string_object): Never copy the string.
4878 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
4879 of value of 'obstack'.
4882 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4884 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
4886 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4888 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
4889 * cpplib.c (cpp_get_token): Produce them.
4890 * cppexp.c (cpp_lex): Handle them.
4892 2000-02-23 Nick Clifton <nickc@cygnus.com>
4894 * config/arm/arm.c (arm_comp_type_attributes): Simply and
4895 comment tests on type attributes.
4897 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4899 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
4900 conform to documentation.
4901 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
4902 to check for special cases.
4903 * sh-protos.h (sh_loop_align): Declare.
4904 * sh.c (sh_loop_align): Define.
4906 2000-02-22 Andrew Haley <aph@cygnus.com>
4908 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
4909 (SIZE_TYPE): Is 32 bits when using -mgp32.
4910 (PTRDIFF_TYPE): Ditto.
4912 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4914 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
4916 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4918 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
4919 BIGGEST_FIELD_ALIGNMENT a constant.
4921 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
4923 * dwarf2out.c (output_line_info): Put the marker for the end of
4924 the line number info at the actual end.
4925 (gen_struct_or_union_type_die): Use decl_function_context
4926 to check for local classes.
4927 * dwarfout.c (output_type): Likewise.
4929 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
4931 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
4932 for arguments with a mode, but no type.
4933 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
4934 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
4935 * pa/long_double.h: New file.
4936 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
4937 both have 128bit wide long doubles.
4938 * configure: Rebuilt.
4940 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4942 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
4944 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
4945 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
4946 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
4948 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
4950 * integrate.c (compare_blocks, find_block): Likewise.
4952 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
4954 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
4956 * stmt.c (stmt_status, set_file_and_line_for_stmt,
4957 expand_asm_operands): Likewise.
4959 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
4961 * predict.c (estimate_probability): Added the pointer heuristic to
4962 the collection of static branch predictors.
4964 2000-02-21 Catherine Moore <clm@cygnus.com>
4966 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
4967 * invoke.texi (-mfix7000): Document.
4969 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
4971 * diagnostic.c (init_output_buffer): Make it possible to output at
4972 least 32 characters if we're given a too long prefix.
4974 2000-02-20 Mark Mitchell <mark@codesourcery.com>
4976 * varasm.c (initializer_constant_valid_p): Call
4977 lang_expand_constant to simplify the constant.
4979 2000-02-20 Bruce Korb <bkorb@gnu.org>
4981 * fixinc/inclhack.def(stdio_va_list):
4982 typedef needs to be disabled.
4983 * fixinc/inclhack.sh: regen
4984 * fixinc/fixincl.x: regen
4986 2000-02-20 Geoff Keating <geoffk@cygnus.com>
4988 * print-rtl.c (print_rtx): Don't print addresses when
4989 flag_dump_unnumbered.
4991 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4993 * sparc.c (sparc_output_scratch_registers): Mark parameter with
4995 (sparc_va_arg, sparc_flat_output_function_prologue,
4996 sparc_flat_output_function_epilogue): Cast value to unsigned in
4998 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
5000 * sparc.md: Add default case in switch.
5002 2000-02-19 Richard Henderson <rth@cygnus.com>
5004 * c-typeck.c (add_pending_init): Don't abort for multiple
5005 fields at the same offset.
5006 (pending_init_member): Test the correct member.
5008 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5010 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
5012 (start_catch_handler) : Same.
5014 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
5016 * Makefile.in: Have flow.o depend on $(EXPR_H)
5018 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5020 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
5021 * c-decl.c (duplicate_decls, finish_enum): Likewise.
5022 (finish_decl): Remove -Wlarger-than code from here.
5023 * flags.h (id_clash_len): Now int.
5024 (larger_than_size): Now HOST_WIDE_INT.
5025 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
5026 Clean up checking to see if in table.
5027 (make_bit_field_ref): Remove extra parm to bitsize_int.
5028 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
5029 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
5030 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
5031 and for computing size of decl.
5032 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
5033 Move -Wlarger-than code to here.
5034 (layout_record): Remove extra arg to bitsize_int.
5035 Set TYPE_BINFO_SIZE_UNIT.
5036 (layout_union): Remove extra arg to bitsize_int.
5037 Use proper type for size of QUAL_UNION.
5038 (layout_type): Remove extra arg to bitsize_int.
5039 * toplev.c (id_clash_len): Now int.
5040 (larger_than_size): Now HOST_WIDE_INT.
5041 (decode_W_option): Clean up id-clash and larger-than- cases.
5042 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
5043 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
5044 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
5045 (struct tree_decl): New field size_unit.
5046 (size_int_wide): No HIGH operand; NUMBER is now signed.
5047 (size_int_2): Deleted.
5048 (size_int, bitsize_int): Don't use it and rework args.
5049 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
5051 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
5053 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
5055 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5057 * invoke.texi (Warning Options): Add an explanation of why
5058 you might want the -Wfloat-equal flag.
5060 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5062 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
5063 * cppinit.c (new_pending_define): Add cast to avoid warning.
5064 * expmed.c (extract_bit_field): Likewise.
5065 * flow.c (enum reorder_skip_type): New type.
5066 (skip_insns_between_blcok): New it.
5067 Rework to avoid warning about possibly undefined variable.
5068 * function.c (assign_parms): Make thisparm_boundary unsigned.
5069 * genrecog.c (write_switch): Cast XWINT result to int.
5070 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
5071 * mips-tfile.c (init_file): Make two versions of FDR intializer:
5072 one for MIPS and one for Alpha.
5073 (get_tag, copy_object): Add casts to avoid warnings.
5074 * optabs.c (init_one_libfunc): Cast NAME to (char *).
5075 * reload.c (find_reloads): Make TYPE enum reload_type.
5076 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
5077 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
5078 * varasm.c (compare_constant_1): Add cast to avoid warning.
5079 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
5081 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
5082 Cast switch operand of size to int.
5083 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
5084 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
5087 2000-02-18 Nick Clifton <nickc@cygnus.com>
5089 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
5090 anything for an alignment of zero.
5092 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
5093 anything for an alignment of zero.
5095 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
5097 * gcc.texi (Bug Reporting): Refer to bugs.html.
5098 (Bug Lists): Likewise.
5099 * system.h (GCCBUGURL): New preprocessor define.
5100 * rtl.c (fancy_abort): Use it.
5101 * gcc.c (main): Likewise.
5103 2000-02-18 Richard Henderson <rth@cygnus.com>
5105 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
5106 (life_analysis_1): Subsume into ...
5107 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
5108 Use update_life_info for the relaxation.
5109 (update_life_info): Update REG_BASIC_BLOCK for registers live on
5110 entry and regs_live_at_setjmp.
5111 (set_noop_p): Simplify.
5112 (notice_stack_pointer_modification_1): Renamed from s/_1//.
5113 (record_volatile_insns): Split into ...
5114 (delete_noop_moves): ... here,
5115 (notice_stack_pointer_modification): ... here,
5116 (insn_dead_p): ... and here.
5117 (propagate_block): Don't query INSN_VOLATILE.
5118 (mark_used_regs): Mind !PROP_REG_INFO.
5119 * toplev.c (rest_of_compilation): Call mark_constant_function here,
5120 not in life_analysis.
5122 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
5124 * loop.c (canonicalize_condition): New function,
5125 broken out of get_condition.
5126 (get_condition): Use it.
5127 * expr.h (canonicalize_condition): Prototype it.
5129 * tree.h (tree_int_cst_msb): Declare.
5130 * tree.c (tree_int_cst_msb): New function.
5132 2000-02-17 Mark Mitchell <mark@codesourcery.com>
5134 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
5137 * invoke.texi (-fmessage-length=n): Document.
5139 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
5141 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
5143 2000-02-17 Mark Mitchell <mark@codesourcery.com>
5145 * function.c (thread_prologue_and_epilogue_insns): Put a line note
5148 2000-02-17 Nick Clifton <nickc@cygnus.com>
5150 * config/arm/thumb.c: Replace includes of system headers with
5151 #include "system.h".
5153 2000-02-16 Richard Henderson <rth@cygnus.com>
5155 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
5156 Add crtbeginS.o and crtendS.o.
5157 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
5158 (ENDFILE_SPEC): Use crtendS.o.
5159 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
5161 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
5162 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
5164 (__dso_handle): New variable.
5165 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
5166 bias to __CTOR_END__.
5168 2000-02-16 Richard Henderson <rth@cygnus.com>
5170 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
5172 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
5174 * longlong.h (__clz_tab): Declare as static to match definition.
5176 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
5177 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
5178 (XREF_FILE_NAME): Define.
5180 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
5181 (EH_FRAME_SECTION_ASM_OP): Define.
5182 (IDENT_ASM_OP): Define.
5183 (TEXT_SECTION_ASM_OP): Define.
5185 (CTORS_SECTION_ASM_OP): Define.
5186 (CTOR_SECTION_FUNCTION): Use it.
5187 (DTORS_SECTION_ASM_OP): Define.
5188 (DTOR_SECTION_FUNCTION): Use it.
5190 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
5192 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
5195 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
5196 debug_bb_n): New functions.
5197 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
5198 * basic-block.h: Prototype new functions.
5200 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
5202 * configure.in: Add support for avr target.
5203 * configure: Rebuilt.
5205 * invoke.texi: Add AVR invocation docs.
5206 * install.texi: Add information about AVR.
5207 * md.texi: Add AVR constraint letters description.
5208 * extend.texi: Add description for AVR specific attributes.
5210 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
5212 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
5214 2000-02-16 Nick Clifton <nickc@cygnus.com>
5216 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
5217 (make_insn_raw): Move RTL check here.
5219 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5221 * version.c: Include gansidecl.h and version.h.
5223 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
5225 * configure.in (gcc_version): When setting, narrow search to
5226 lines containing `version_string'.
5228 * Makefile.in (mainversion): Likewise.
5229 (GCC_H): New variable.
5230 (gcc.h): Delete target.
5231 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
5232 (version.o): Depend on version.h.
5233 (dbxout.o): Don't depend on gcc.h.
5235 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
5236 Michael Meissner <meissner@cygnus.com>
5238 * md.texi (Simple Constraints): Add item about whitespace.
5239 * genoutput.c (strip_whitespace): New.
5240 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
5241 strip_whitespace for constraints.
5242 Test pointer using NULL, not 0.
5244 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5246 * cpplib.c (do_line): Pedwarn for #line > 32767.
5248 * c-lex.c (readescape): Warn about '\x', but do not reject it.
5250 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
5252 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
5253 to default cpp spec.
5254 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
5255 * cpp.texi: Document __GNUC_PATCHLEVEL__.
5258 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
5261 2000-02-15 Denis Chertykov <denisc@overta.ru>
5263 * configure.in: Add support for avr target.
5265 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5267 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
5268 (sh_addr_diff_vec_mode): Don't declare.
5269 * sh.c (sh_addr_diff_vec_mode): Delete.
5271 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5273 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
5275 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5277 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
5278 (smulsi3_highpart_i): Name.
5279 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
5280 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
5281 (smulsi3_highpart, umulsi3_highpart): Likewise.
5283 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
5284 correctly independent of endianness.
5285 (mulsidi3, umulsidi3): Now define_insn. Hide details that
5286 confuse the optimizers.
5287 (mulsidi3+1, umulsidi3+1): New define_split.
5289 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
5291 * config/sh/sh.md: Guard insn splits against illegal registers.
5292 * config/sh/sh.h: Correct comment about macros.
5294 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5295 Andrew MacLeod <amacleod@cygnus.com>
5297 * Makefile.in (lcm.o): Depend on insn-attr.h.
5298 * basic-block.h (optimize_mode_switching): Declare.
5299 * lcm.c (tm_p.h, insn-attr.h): #include.
5300 (seginfo, bb_info): New structs.
5301 (antic, transp, comp, delete, insert) : New file-scope static variables.
5302 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
5303 (reg_becomes_live, optimize_mode_switching): Likewise.
5304 * tm.texi: Add description of mode switching macros.
5305 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
5307 * sh-protos.h (remove_dead_before_cse): Remove prototype.
5308 (fldi_ok, fpscr_set_from_mem): New prototypes.
5309 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
5310 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
5311 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
5312 (sh_flag_remove_dead_before_cse): Remove declaration.
5313 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
5314 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
5315 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
5316 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
5317 (barrier_align): Allow for JUMP_INSNS containing a parallel.
5318 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
5319 (fldi_ok): New function.
5320 (get_fpscr_rtx): Add fpscr_rtx as GC root.
5321 (emit_sf_insn): Only generate fpu switches when optimize < 1.
5322 (emit_df_insn): Likewise.
5323 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
5324 (sh_flag_remove_dead_before_cse): Delete.
5325 (get_free_reg, fpscr_set_from_mem): New functions.
5326 * sh.md (movdf, movsf): Remove no_new_pseudos code.
5327 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
5329 2000-02-15 Loren Rittle <ljrittle@acm.org>
5331 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
5333 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5335 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
5336 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
5338 * cccp.c: Include version.h and/or don't declare `version_string'.
5339 * collect2.c: Likewise.
5340 * alpha.c: Likewise.
5341 * arm/aof.h: Likewise.
5342 * arm/coff.h: Likewise.
5343 * arm/elf.h: Likewise.
5344 * arm/pe.h: Likewise.
5345 * arm/tcoff.h: Likewise.
5346 * arm/telf.h: Likewise.
5347 * arm/tpe.h: Likewise.
5348 * arm/vxarm.h: Likewise.
5349 * convex/convex.c: Likewise.
5350 * i386/dgux.c: Likewise.
5351 * i386/sun386.h: Likewise.
5352 * m88k/m88k.c: Likewise.
5353 * mcore/mcore-pe.h: Likewise.
5354 * mips/mips.h: Likewise.
5355 * romp/romp.h: Likewise.
5356 * sh/sh.c: Likewise.
5357 * cpphash.c: Likewise.
5358 * cppinit.c: Likewise.
5359 * dwarf2out.c: Likewise.
5360 * dwarfout.c: Likewise.
5363 * mips-tfile.c: Likewise.
5364 * protoize.c: Likewise.
5365 * toplev.c: Likewise.
5368 * version.c (version_string): Constify a char*.
5370 * version.h: New file.
5372 2000-02-14 Nick Clifton <nickc@cygnus.com>
5374 * configure.in: Add mcore-elf and mcore-pe targets.
5375 * configure: Regenerate.
5377 * NEWS: Add note that MCore port has been contributed.
5379 * invoke.texi: Document command line switches for MCore port.
5380 * install.texi: Add MCore to list of supported targets.
5382 2000-02-14 Geoff Keating <geoffk@cygnus.com>
5384 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
5385 then we will need to import the frame handling functions.
5386 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
5387 to import the frames themselves.
5389 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
5390 Jason Eckhardt <jle@cygnus.com>
5392 * basic_block.h: Added prototype for reorder_basic_blocks.
5393 * toplev.c: Changes to add -freorder-blocks and graph dump after
5394 block reordering is done.
5395 * flow.c (reorder_block_def): New structure for use during block
5397 (REORDER_BLOCK_*): New macros to access members of above structure.
5398 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
5399 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
5400 functions for block reordering.
5402 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
5404 * gcc.texi (Passes): Fix typo.
5405 * md.texi (Standard Names): Ditto.
5406 * tm.texi (Storage Layout): Ditto.
5408 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
5410 * cpplib.c (do_define): Only free the old definition if it
5413 2000-02-13 Neil Booth <NeilB@earthling.net>
5415 * cppfiles.c (read_and_prescan): When emitting deferred
5416 newlines, test speccase[] again instead of checking each
5417 possible whitespace character in turn. When we encounter \r,
5418 look behind for \n first, then ahead.
5420 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
5422 * cse.c (cse_altered): New internal flag.
5423 (cse_insn): Set it if we changed an insn.
5424 (cse_main): Clear cse_altered before each basic block.
5425 Only garbage collect if cse_altered is true afterward.
5427 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5429 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
5431 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
5433 * combine.c (simplify_comparison): Fix typo.
5435 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
5437 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
5440 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5442 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
5443 previously inserted node instead of root node. Caller changed.
5445 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5447 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
5449 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5451 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
5452 __dereg_frame_dtor): Add prototype argument.
5454 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
5456 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
5458 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
5460 * gthr-vxworks.h (__gthread_once): Likewise.
5462 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
5464 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
5466 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
5467 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
5468 stack pointer in functions w/o saved registers, output LEAVE more often
5469 on TARGET_USE_LEAVE machines.
5471 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
5473 * config/arm/arm.c (arm_init_cumulative_args); New function:
5474 Initlaise the CUMULATIE_ARGS strcuture for a function
5476 (arm_function_arg): New function: Determine where to place a
5477 function's argument. Also handles deciding the function's
5479 (current_file_function_operand): New function: Return true if
5480 the symbol is a function which has already been compiled.
5481 (arm_is_long_call_p): New function: Return true if the
5482 indicated function should be called via a long call.
5483 (arm_valid_type_attribute_p): New function: Return true if the
5484 attribute is a valid, arm specific, attribute.
5485 (arm_comp_type_attribute): New function: Return true if the
5486 two types have compatable, arm specific, attributes.
5488 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
5490 (FUNCTION_ARG): Redefine to call arm_function_arg.
5491 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
5493 (INIT_CUMULATIVE_ARGS): Redefine to call
5494 arm_init_cumulative_args.
5495 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
5497 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
5499 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
5501 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
5502 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
5503 (COMP_TYPE_ATTRIBUTES): Define.
5505 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
5506 if a long call is needed.
5507 (call_value): Call arm_is_long_call_p to decide if a long call
5509 (call_symbol): Call arm_is_long_call_p to decide if a long call
5512 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
5514 2000-02-11 Denis Chertykov <denisc@overta.ru>
5516 * README.AVR: New file with information about the avr ports.
5517 * config/avr: New directory with avr port files.
5519 2000-02-11 Andreas Jaeger <aj@suse.de>
5521 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
5523 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
5525 * cpphash.c: Fix formatting, update commentary.
5526 (dump_definition): Take three separate arguments instead of a
5527 MACRODEF structure argument.
5528 * cpphash.h: Update prototype of dump_definition.
5529 * cppinit.c (cpp_finish): Update call of dump_definition.
5531 * cpplib.c (do_define): Always create new hash entry with
5532 T_MACRO type. Remove redundant check for redefinition of
5533 poisoned identifier. Update call of dump_definition.
5534 (do_undef): Don't call check_macro_name. Rename sym_length to
5536 (do_error, do_warning): Don't use copy_rest_of_line or
5538 (do_warning): Don't use pedwarn for the actual warning,
5539 only the notice about its not being in the standard. (Fixes
5540 bug with #warning in system headers.)
5541 (do_ident): Stricter argument checking - accept only a single
5542 string after #ident. Also, macro-expand the line.
5543 (do_xifdef): Use cpp_defined. De-obfuscate.
5545 (do_pragma): Split out specific pragma handling to separate
5546 functions. Use get_directive_token. Update commentary. Do
5547 not pass on #pragma once or #pragma poison to the front end.
5548 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
5549 do_pragma_default): New.
5551 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
5553 * jump.c (jump_optimize_1): The first operand in a relational
5555 * optabs.c (emit_conditional_move): Handle relationals which
5556 have a known true/false result.
5558 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5560 * function.c (thread_prologue_and_epilogue_insns): Don't insert
5561 a RETURN insn into a block which already ends with a jump.
5563 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5565 * haifa-sched.c (BUF_LEN): Increase a lot.
5567 2000-02-11 Nick Clifton <nickc@cygnus.com>
5569 * configure.in: Add tm_p_file specification for thumb targets.
5570 * configure: Regenerate.
5572 * config/arm/thumb-protos.h: New file: Prototypes for exported
5573 functions defined in thumb.c.
5575 2000-02-11 Robert Lipe <robertl@sco.com>
5577 * Makefile.in (bootstrap-lean): Remove additional files.
5578 (bootstrap2-lean): Likewise.
5579 (VOL_FILES): List of files for above.
5581 2000-02-11 Nathan Sidwell <nathan@acm.org>
5583 * cpphash.c (special_symbol): Remove spurious argument to
5586 2000-02-11 Joel Sherrill (joel@OARcorp.com>
5588 * configure.in: (i*86-*-rtems*): Swapped elf and coff
5590 * configure: Rebuilt.
5592 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
5594 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
5596 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
5598 * pa.c, pa.h: Remove trigraph sequences within comments.
5600 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
5602 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
5604 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
5606 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
5608 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5610 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
5612 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5614 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
5615 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
5616 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
5617 (ASM_FILE_END): Use c4x_file_end.
5618 * config/c4x/c4x.c (c4x_global_label): New function.
5619 (c4x_external_ref, c4x_file_end): Likewise.
5621 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
5622 (c4x_external_ref, c4x_end_file): Likewise.
5624 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
5626 * cppexp.c: Don't include cpphash.h.
5627 (parse_charconst, cpp_lex): Use cpp_defined.
5628 (cpp_lex): Use get_directive_token throughout. Remove
5629 unnecessary cases from switch. Move assertion-handling code
5631 (cpp_parse_expr): If we see '+' or '-', check the context to
5632 determine if they are unary or binary operators. Streamline
5633 the jumps a bit. Do not call skip_rest_of_line.
5635 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
5636 static. Export get_directive_token. Update commentary.
5637 (cpp_defined): New function.
5638 (do_define): Remove reference to T_PCSTRING. Call
5639 free_definition to release memory for old definition, when
5641 (eval_if_expression): Set only_seen_white to 0 before calling
5642 cpp_parse_expr. Call skip_rest_of_line after it returns.
5643 (cpp_read_check_assertion): Don't preserve a pointer into the
5644 token buffer across a call to cpp_get_token.
5646 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
5647 * cppfiles.c (redundant_include_p): Use cpp_defined.
5648 * cpphash.c (free_definition): New function.
5649 (delete_macro): Use it. Update commentary.
5650 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
5652 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
5653 from enum node_type. Prototype cpp_defined and get_directive_token.
5654 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
5656 * fix-header.c (check_macro_names): Use cpp_defined.
5657 (read_scan_file): Set inhibit_warnings and inhibit_errors in
5658 the options structure.
5660 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5662 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
5664 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
5666 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
5667 rather than die->die_tag.
5669 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5671 * combine.c (make_extraction, force_to_mode): Avoid warning on
5672 mixed-signedness conditionals.
5673 (make_field_assignment, nonzero_bits): Likewise.
5674 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
5675 (store_split_bit_field, extract_split_bit_field): Likewise.
5676 (extract_fixed_bit_field, store_bit_field,
5677 * expr.c: Change alignment to be unsigned everywhere.
5678 (move_by_pieces, store_constructor_field, store_constructor):
5679 Alignment parm is unsigned.
5680 (emit_block_move, emit_group_load, emit_group_store): Likewise.
5681 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
5682 (do_compare_rtx_and_jump): Likewise.
5683 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
5684 Compare align with GET_MODE_ALIGNMENT.
5685 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
5686 (get_inner_reference): Likewise.
5687 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
5688 (expand_assignment): Local vars for alignment now unsigned.
5689 (store_constructor, store_field, expand_expr, do_jump): Likewise.
5690 (do_compare_and_jump): Likewise.
5691 (store_field): Call new function expr_align.
5692 * expr.h (emit_block_move, emit_group_load, emit_group_store):
5693 Alignment arg now unsigned.
5694 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
5695 (do_compare_rtx_and_jump, store_bit_field): Likewise.
5696 (extract_bit_field): Likewise.
5697 * fold-const.c (add_double): Add cast to eliminate signedness warning.
5698 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
5699 (get_best_mode): Alignment arg is unsigned.
5700 * rtl.h (move_by_pieces): Likewise.
5701 * store-layout.c (maximum_field_alignment, set_alignment):
5703 (layout_decl): Alignment arg is now unsigned.
5704 Remove unneeded casts.
5705 (layout_record, layout_union, layout_type): Remove unneeded casts.
5706 Local alignment variables now unsigned.
5707 (get_best_mode): Alignment arg now unsigned.
5708 * tree.c (expr_align): New function.
5709 * tree.h (expr_align): Likewise.
5710 (maximum_field_alignment, set_alignment): Now unsigned.
5711 (get_inner_reference): Alignment argument is now pointer to unsigned.
5712 * varasm.c (assemble_variable): Add cast to eliminate warning.
5714 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
5716 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
5717 then store directly into op0.
5719 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
5720 the CALL_INSN, and emit the note immediately after it.
5722 2000-02-10 Nick Clifton <nickc@cygnus.com>
5724 * config/arm/thumb.md (epilogue): Include a (return) in the
5725 generated insn, and emit it using emit_jump_insn not
5728 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
5730 * function.c (assign_temp): Change zero-sized arrays to size 1.
5731 * integrate.c (expand_inline_function): Do not update
5732 stack_alignment_needed
5733 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
5734 add some sanity checking, remove optimization for function with
5737 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5739 * flow.c (mark_regs_live_at_end): Delete unused variables.
5741 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
5743 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
5744 in macro FRAME_GROWS_DOWNWARD.
5746 * stmt.c (expand_end_bindings): Delete unused variable.
5748 * unroll.c (iteration_info): Mark parameter `loop' with
5751 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5753 * fixinc/server.c (load_data): Return NULL if the marker line is
5755 (run_shell): If load_data returns NULL, retry the command once, in
5758 * configure: Rebuilt.
5760 2000-02-09 Bruce Korb <bkorb@gnu.org>
5762 * gcc/fixincludes: ** DELETED **
5763 * gcc/fixcpp: ** DELETED **
5764 * gcc/fixinc-nt.sed: ** DELETED **
5765 * gcc/just-fixinc: ** DELETED **
5766 * gcc/Makefile.in: Removed out-dated commentary
5767 * gcc/configure.in: Removed fast-fixincludes disablement.
5768 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
5770 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5771 * function.c (thread_prologue_and_epilogue_insns): Uncomment
5774 2000-02-09 Richard Henderson <rth@cygnus.com>
5776 * jump.c (delete_insn): Don't delete user labels at -O0.
5778 2000-02-09 Robert Lipe <robertl@sco.com>
5780 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
5781 Don't link with HOST_LIBS.
5783 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5785 * configure.in: Correct --help text for --with-dwarf2.
5786 Put tm-dwarf2.h after other tm files, if it's requested.
5787 * configure: Regenerate.
5788 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
5791 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5793 * cpplib.h: Provide HASHNODE typedef and forward decl of
5794 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
5795 DEFINITION, struct hashnode, struct macrodef, struct
5796 definition, scan_decls prototype, default defn of
5797 INCLUDE_LEN_FUDGE moved elsewhere.
5799 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
5800 definition, and struct hashnode moved here. Remove the unused
5801 'predefined' field from struct definition. Replace the 'args'
5802 union with its sole member. All users updated (cpphash.c).
5803 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
5804 multiple include guard.
5806 * cpphash.c (hashf): Make static; use better algorithm; drop
5807 HASHSIZE parameter; return an unsigned int.
5808 (cpp_lookup): Drop HASH parameter. PFILE parameter is
5809 used. Calculate HASHSIZE modulus here.
5810 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
5812 (create_definition): Drop PREDEFINITION parameter.
5813 * cpplib.c (do_define): Don't calculate a hash value here.
5814 Don't pass (keyword == NULL) to create_definition.
5816 * scan.h: Prototype scan_decls here.
5817 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
5818 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
5819 callers of cpp_lookup and cpp_install updated.
5821 * cpphash.c (macarg): Hoist all the flag diddling out of the
5823 (macroexpand): ... and out of the loop that calls macarg.
5824 Skip over the initial paren before macro arguments with
5825 cpp_get_non_space_token; point may be some distance before
5826 that paren. Abort if it's not there.
5828 * cpplib.c (parse_clear_mark): Delete function.
5829 (parse_set_mark, parse_goto_mark): Make static.
5830 (ACTIVE_MARK_P): New macro.
5831 (skip_block_comment, skip_line_comment): Do not bump the line
5832 if ACTIVE_MARK_P is true.
5833 (cpp_pop_buffer): The buffer to be popped may not have an
5835 (cpp_get_token): When looking for the initial paren before
5836 macro arguments, only set a mark in a file buffer, Always
5837 return to that mark before proceeding to call macroexpand or
5838 return a NAME token.
5840 * cpplib.h: Remove prototypes of parse_set_mark,
5841 parse_clear_mark, parse_goto_mark.
5842 (struct cpp_options): Rename 'put_out_comments' to
5843 'discard_comments' and invert its sense.
5844 * cppinit.c, cpphash.c, cpplib.c: All users of
5845 put_out_comments changed to use discard_comments, with
5848 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5850 * function.c (thread_prologue_and_epilogue_insns): Don't delete
5851 the edge from a block that both jumps and falls through to the
5854 2000-02-09 Scott Bambrough <scottb@netwinder.org>
5856 * config/arm/arm.md (movsi): In PIC mode, make sure that a
5857 constant source address is legitimate.
5859 2000-02-09 Philip Blundell <pb@futuretv.com>
5861 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
5864 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
5866 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
5868 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5870 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
5871 ends with a newline and a NUL. Don't be so clever manipulating
5874 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
5876 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
5877 not to BIGGEST_ALIGNMENT.
5879 2000-02-08 Geoff Keating <geoffk@cygnus.com>
5881 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
5882 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
5883 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
5884 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
5885 * frame.c (execute_cfa_insn): Handle
5886 DW_CFA_GNU_negative_offset_extended.
5888 2000-02-08 Richard Henderson <rth@cygnus.com>
5890 * flow.c (tidy_fallthru_edges): Split out from ...
5891 (delete_unreachable_blocks): ... here.
5892 (find_basic_blocks): Use it.
5894 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5896 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
5898 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
5900 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
5901 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
5902 (fix-header.o): Don't depend on cpphash.h.
5904 * scan.c (hashstr): New function.
5905 * scan.h: Prototype it.
5906 * fix-header.c: Don't include cpphash.h. Use hashstr.
5907 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
5908 hashstr. Report hash table statistics. Add private
5909 definition of xrealloc.
5911 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5913 * i386.h (TARGET_SWITCHES): Fix typo in option name.
5915 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
5917 * function.c (thread_prologue_and_epilogue_insns): Don't replace
5918 jumps with returns unless they are jumps to the fallthru block.
5920 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
5922 * i386.md (addqi3_cc): Fix contraints.
5924 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
5926 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
5928 2000-02-07 Mark Mitchell <mark@codesourcery.com>
5930 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
5931 carriage return after a macro name.
5933 2000-02-07 Fred Fish <fnf@be.com>
5935 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
5936 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
5938 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
5940 * cppfiles.c (deps_output): Count spacers in deps_column.
5942 2000-02-07 Neil Booth <NeilB@earthling.net>
5944 * cppinit.c (initialize_dependency_output): If there is no
5945 suffix, don't try to look for known suffixes. Use strrchr.
5946 (cpp_start_read): Remove duplicate initialization.
5948 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
5950 * calls.c (compute_argument_block_size): New argument
5951 preferred_stack_boundary.
5952 (expand_call): update cfun->preferred_stack_boundary, update call of
5953 compute_argument_block_size
5954 (emit_library_call): Increate cfun->preferred_stack_boundary
5955 to PREFERRED_STACK_BOUNDARY
5956 (emit_library_call_value): Likewise.
5957 * explow.c (allocate_dynamic_stack_spave): Likewise.
5958 * function.c (prepare_function_start): Set
5959 cfun->preferred_stack_boundary
5960 * function.h (struct function): Add preferred_stack_boundary field.
5961 * integrate.c (expand_inline_function): Update
5962 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
5963 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
5964 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
5966 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
5968 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
5969 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
5970 cpp_pedwarn, cpp_pedwarn_with_line,
5971 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
5972 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
5973 v_cpp_error_with_line, v_cpp_warning_with_line,
5974 cpp_message_from_errno, cpp_perror_with_name): Delete.
5976 * cpperror.c (cpp_print_containing_files): Take starting
5978 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
5979 (v_cpp_message): Now called directly by all entry points.
5981 (cpp_pfatal_with_name, cpp_message): Delete.
5982 (cpp_notice_from_errno, cpp_ice): New functions.
5983 (cpp_notice): Is now for reporting error conditions, just
5984 without an associated file.
5985 (cpp_error, cpp_error_with_line): Don't do anything if
5986 opts->inhibit_errors is on.
5987 (cpp_pedwarn_with_file_and_line): Take column argument also.
5989 * cpplib.h: Update prototypes of exported functions.
5990 (struct cpp_options): Add inhibit_errors.
5992 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
5993 non-error messages. Include intl.h.
5995 * cppinit.c, cppmain.c: Likewise. Also, use
5996 cpp_notice_from_errno instead of cpp_perror_with_name or
5997 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
5999 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
6000 report internal errors.
6002 * cpplib.c (do_define): Switch bcopy to memcpy.
6003 Give cpp_pedwarn_with_file_and_line a dummy column argument.
6005 * cpplib.c (copy_rest_of_line): Revert previous change: don't
6006 bail out early if we hit a line comment.
6008 2000-02-06 Richard Henderson <rth@cygnus.com>
6010 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
6011 * basic-block.h: Declare them.
6012 * emit-rtl.h (active_insn_p): New.
6013 (next_active_insn, prev_active_insn): Use it.
6014 * rtl.h: Declare it.
6015 * function.c (emit_return_into_block): New.
6016 (thread_prologue_and_epilogue_insns): Insert return insns instead
6017 of epilogues when possible.
6018 * jump.c (jump_optimize_1): Remove code to insert a return insn
6019 on the fallthru to the exit block.
6021 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
6022 and for non-empty stack frames.
6023 * i386.md (return): Expand to return-pop as needed.
6025 2000-02-06 Richard Henderson <rth@cygnus.com>
6027 * simplify-rtx.c (simplify_relational_operation): Canonicalize
6028 constant to op1 for testing.
6030 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6032 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
6033 (fixuns_truncqfqi2): Use it.
6035 2000-02-06 Richard Henderson <rth@cygnus.com>
6037 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
6040 * i386.md (widening and peepholes): Mask the constant instead of
6043 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
6045 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
6046 input pointer before possibly branching off to the backslash
6048 * cpphash.c (macroexpand): Correctly delete \r escapes when
6049 stringifying parameters.
6050 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
6051 if we can; bail out early if we hit a line comment.
6052 (handle_directive): Treat '# 123' in an .S file just like
6053 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
6054 Return 1 for '# not_a_directive'.
6055 (get_directive_token): Pop macro buffers here, so that
6056 cpp_get_token can't sneakily move past a newline.
6058 (cpp_get_token): goto randomchar if handle_directive returns 0.
6060 * cppalloc.c: Update copyright.
6061 * cpplib.c: Merge all the static function prototypes into one
6063 * cpplib.h: Remove #if 0 block.
6065 * cpperror.c: Remove #ifdef EMACS block.
6066 * cppmain.c: Likewise.
6067 * cpphash.c: Remove #if 0 blocks.
6068 * cppinit.c: Remove #if 0 blocks, and the -lint option.
6069 * cpplib.c: Remove #if 0 blocks and code referencing
6070 pcp_inside_if or for_lint. Remove duplicate error message.
6071 Fix error messages for #else after #else or #elif. Reformat.
6072 Remove archaic TODO list.
6073 * cpplib.h: Remove pcp_inside_if and for_lint flags.
6075 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
6077 * i386/osf1elf.h: Add missing backslash to multiline string.
6079 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6081 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
6083 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6085 * Makefile.in (c-common.o): Depend on $(EXPR_H).
6087 * c-common.c: Include expr.h.
6089 * c-pragma.c (mark_align_stack): Add prototype.
6091 * caller-save.c (add_stored_regs): Likewise.
6093 * combine.c (record_promoted_value): Likewise.
6095 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
6098 * cppinit.c (new_pending_define): Likewise.
6100 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
6102 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
6103 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
6104 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
6105 class_scope_p): Likewise.
6107 * dwarf2out.h (dwarf2out_set_demangle_name_func,
6108 dwarf2out_add_library_unit_info): Likewise.
6110 * ggc.h (ggc_page_print_statistics): Likewise.
6112 * haifa-sched.c (propagate_deps): Likewise.
6114 * reg-stack.c (next_flags_user, record_label_references): Likewise.
6116 * rtl.h (set_stack_check_libfunc): Likewise.
6118 * toplev.h (set_fatal_function): Likewise.
6120 * toplev.c (set_fatal_function): Delete prototype.
6122 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
6124 2000-02-05 Geoff Keating <geoffk@cygnus.com>
6126 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
6127 (FUNC_END): Likewise.
6129 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6131 * caller-save.c: Include tm_p.h.
6133 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6135 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
6137 2000-02-04 Neil Booth <NeilB@earthling.net>
6139 * cccp.c (main): Check 'dir' for a NULL pointer before passing
6142 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
6144 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
6145 * genflags.c: Use the max_operand_1 logic from genemit.c to
6146 calculate how many arguments gen_insn prototypes have. Remove
6147 NO_MD_PROTOTYPES ifdefs from the generated file.
6148 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
6149 file. Cast gen_insn initializers to insn_gen_fn.
6150 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
6151 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
6153 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6155 * fixinc/Makefile.in (HDR): Add machname.h.
6158 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6160 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
6161 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
6162 (c4x_cpu_version): Ditto.
6163 * config/c4x/c4x-protos.h: ... here.
6165 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
6167 * dwarf2out.c (add_abstract_origin_attribute): Don't call
6168 gen_abstract_function on our context if we're a nested function.
6170 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6172 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
6173 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
6175 2000-02-04 Bruce Korb <bkorb@gnu.org>
6177 * fixinc/genfixes(machname.h):
6178 Move the functionality from gen-machine.h into this file.
6179 UNdef MN_NAME_PAT if there are no names to change.
6180 Also, be a little kinder when AutoGen is not present.
6182 * fixinc/Makefile.in(machname.h):
6183 Change the generation rule to use genfixes.
6185 * fixinc/fixfixes.c(machine_name):
6186 machine_name_fix's functionality now dependent upon whether
6187 MN_NAME_PAT is defined.
6189 * fixinc/fixtests.c(machine_name):
6192 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
6195 * fixinc/fixlib.h(mn_get_regexps):
6198 * fixinc/gen-machine.h: DELETED
6200 2000-02-04 Jan Hubicka <jh@suse.cz>
6201 Richard Henderson <rth@cygnus.com>
6203 * i386.c (SAVE_REGS_FIRST): Remove.
6204 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
6205 (ix86_compute_frame_size): Likewise.
6206 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
6207 (ix86_emit_restore_regs): Remove.
6208 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
6209 when a frame pointer is in use.
6210 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
6211 instead of pop to restore a register when profitable; emit leave
6213 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
6215 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
6216 * i386.md (prologue_allocate_stack): Remove.
6217 (epilogue_deallocate_stack): Remove.
6218 (pro_epilogue_adjust_stack): New.
6220 2000-02-04 Richard Henderson <rth@cygnus.com>
6222 * function.c (diddle_return_value): Rework to use a callback function.
6223 Use current_function_return_rtx if it's been set up.
6224 (do_clobber_return_reg, clobber_return_register): New.
6225 (do_use_return_reg, use_return_register): New.
6226 (expand_function_end): Use them.
6227 * stmt.c (expand_null_return): Likewise.
6228 * function.h: Declare them.
6229 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
6230 (mark_reg): Change arguments as appropriate for callback.
6231 * integrate.c (expand_inline_function): Revert 19 Jan change.
6233 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
6235 * tm.texi (Values in Registers): Fix typo: "fo" "for".
6236 (Misc): Say the scheduler, not the Haifa scheduler.
6238 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
6240 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
6241 when in_mem is set. Update all callers.
6243 2000-02-04 Richard Henderson <rth@cygnus.com>
6245 * i386/openbsd.h (INT_ASM_OP): Define.
6247 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
6249 * tm.texi: Fix various typos.
6251 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
6253 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
6254 (MD_STARTFILE_PREFIX_1): New macro.
6256 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
6258 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
6259 destination when needed.
6260 (strmovsi, strsetsi): New expander.
6261 (strmovsi_1, strsetsi_1): New pattern.
6262 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
6263 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
6264 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
6265 * invoke.texi (align-stringops, inline-all-stringops): Document.
6267 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
6269 * i386/netbsd.h (INT_ASM_OP): Define.
6271 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
6273 * cpplib.h (cpp_reader): Add new flag, no_directives.
6274 * cpphash.c (macarg): Set it.
6275 * cpplib.c (handle_directive): If no_directives is on and we
6276 find a directive, issue an error and discard the line.
6278 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
6280 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
6281 FP constants. Add ! TARGET_FPU check for FP constants.
6283 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
6285 * flow.c (find_basic_blocks): Don't kill label_value_list
6287 (cleanup_cfg): Kill it here.
6289 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6291 * expr.c (store_field): Ensure ALIGN is no stricter than the
6294 2000-02-02 Richard Henderson <rth@cygnus.com>
6296 * jump.c (delete_insn): Partially revert 19 Jan change;
6297 don't convert unused code labels to notes at -O0.
6299 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6301 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
6302 split_all_insns to recreate REG_LABEL notes for flow2 pass.
6304 2000-02-01 Richard Henderson <rth@cygnus.com>
6306 * i386.c (general_no_elim_operand): New.
6307 (nonmemory_no_elim_operand): New.
6308 (ix86_expand_move): Copy eliminable operands before a push.
6309 * i386-protos.h: Declare new functions.
6310 * i386.h (CAN_ELIMINATE): Simplify.
6311 (PREDICATE_CODES): Update.
6312 * i386.md (push insns): Don't allow eliminable register operands.
6314 2000-02-01 Richard Henderson <rth@cygnus.com>
6316 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
6317 replace BLKmode with DECL_RTL's mode.
6319 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
6321 * frame.c (find_fde): Convert for loop to do-while so compiler
6322 sees it's always executed at least once.
6323 * libgcc2.c (BBINBUFSIZE): Kill.
6324 (__bb_init_prg): Use fgets.
6325 (__bb_exit_trace_func): Don't paste strings.
6326 * unroll.c (unroll_loop): Initialize unroll_type, not
6327 unroll_number, and tweak logic to match.
6329 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
6331 (ix86_flags_dependant): Likewise. Disentangle control flow.
6332 (ix86_sched_reorder): Break guts out to
6333 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
6334 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
6337 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
6338 use string concatenation. Don't save and restore esi.
6340 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
6341 (machname.h): Remove script to separate file. Use two-step
6342 sequence so target is not created if script fails.
6343 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
6344 identifiers are defined.
6345 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
6346 an empty string, machine_name doesn't need to do anything at
6348 (is_cxx_header): Add more cases to regexp.
6349 * fixinc/fixlib.h: Update prototype.
6350 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
6352 * fixinc/fixincl.c: Define NO_BOGOSITY.
6354 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
6355 (hp_sysfile): Add missing comma.
6356 (math_exception): Put the wrapper ifdefs at the beginning and
6357 the end of the file.
6358 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
6360 2000-02-01 Richard Henderson <rth@cygnus.com>
6362 * sparc.c (fp_zero_operand): Turn into a normal predicate.
6363 Use CONST0_RTX. Update all callers.
6364 * sparc.h, sparc-protos.h: Update accordingly.
6365 * sparc.md (fp mov insns): Use fp_zero_operand directly
6368 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
6370 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
6373 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6375 * Makefile.in (specs.ready): New target.
6376 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
6378 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6380 * fixinc.irix: Use unique filenames for writing into /tmp,
6381 * fixinc.ptx: Likewise.
6382 * fixinc.sco: Likewise.
6383 * fixinc.svr4: Likewise.
6384 * fixinc.winnt: Likewise.
6386 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6388 * tsystem.h: New file.
6390 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
6391 s-crtS): Depend on tsystem.h.
6393 * crtstuff.c: Include tsystem.h.
6394 * frame.c: Likewise.
6395 * libgcc2.c: Likewise.
6397 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
6399 * builtins.c (expand_builtin_memset): Expand for variable sized
6402 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
6404 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
6407 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
6409 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
6411 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
6413 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
6415 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
6416 case 3->2 combining (combining with splitting) in which 2 is CC0
6417 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
6418 checked at the begining of the function with the aid of calling
6419 function 'can_combine_p'.
6421 2000-01-31 Dave Brolley <brolley@redhat.com>
6423 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
6425 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
6427 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
6430 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6432 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
6434 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
6437 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
6439 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
6440 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
6441 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
6442 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
6443 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
6444 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
6445 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
6446 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
6447 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
6448 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
6450 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
6451 Add %(cpp_cpu) to CPP_SPEC.
6453 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
6454 Add %(cc1_cpu) to CC1_SPEC.
6456 2000-01-28 Ulrich Drepper <drepper@redhat.com>
6458 * c-decl.c (c_decode_option): Accept optional numeric argument to
6459 -Wformat and set warn_format.
6460 * c-common.c: Don't emit warning about non-constant printf format
6461 string unless warn_format > 1.
6463 2000-01-30 Richard Henderson <rth@cygnus.com>
6465 * alpha.md (return_internal): Allow after reload only.
6467 2000-01-30 Richard Henderson <rth@cygnus.com>
6469 * i386.c (ix86_compute_frame_size): Omit padding1 if the
6470 local frame size is zero.
6472 2000-01-30 Richard Henderson <rth@cygnus.com>
6474 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
6475 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
6476 * alpha.md (return): Turn into an expander.
6477 (return_internal): Don't use $26.
6478 (epilogue): Emit the return insn.
6480 2000-01-30 Richard Henderson <rth@cygnus.com>
6482 * alpha.md (negtf2, abstf2): Fix word order thinko.
6484 (trunctfsf2): Avoid intermediate rounding errors.
6486 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
6488 * cppfiles.c (find_position): Drop 'colp' argument, return the
6490 (read_and_prescan): Adjust to match. Don't ever manipulate
6491 line or line_base except via find_position.
6493 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
6495 * c-parse.in: Apply Ulrich's changes from c-parse.y.
6496 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
6499 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
6501 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
6502 just print "<command line>". If 'filename' is null or an
6503 empty string, print "<stdin>" for the filename.
6504 * cpplib.c (do_define): Don't print the 'location of the
6505 previous definition' message if we're still parsing the
6507 (cpp_pedwarn_with_file_and_line): Always call
6508 cpp_file_line_for_message.
6510 2000-01-29 Mark Mitchell <mark@codesourcery.com>
6512 * flow.c (mark_regs_live_at_end): Fix typo.
6514 2000-01-28 Ulrich Drepper <drepper@redhat.com>
6516 * c-common.c: Adjust variable names, comments, help strings to c99.
6517 * c-lex.c: Likewise.
6518 * c-parse.y: Likewise.
6519 * c-tree.h: Likewise.
6521 * cpplib.h: Likewise.
6522 * c-decl.c: Likewise. Recognize options with names "*99" as well.
6523 * cppinit.c: Likewise.
6525 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6527 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
6528 * c4x.c: Define the optab rtx values.
6529 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
6530 (c4x_emit_libcall): Use new optab rtx values.
6531 (c4x_emit_libcall3): Likewise.
6532 (c4x_emit_libcall_mulhi): Likewise.
6533 * c4x-protos.h: Add prototypes for optab rtx values and change
6534 prototypes for above c4x_emit_libcall functions.
6536 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6538 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
6540 (c4x_function_prologue): Use regnames intead of float_reg_names when
6542 (c4x_function_epilogue): Likewise.
6543 (c4x_print_operand): Likewise.
6544 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
6545 * c4x.md (set_high): Disable for TARGET_TI.
6547 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6549 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
6550 of framepointer + constant to ADDR_REGS class.
6551 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
6552 * c4x.c (std_or_reg_operand): New function.
6553 * c4x-protos.h (std_or_reg_operand): Prototype it.
6555 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6557 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
6558 object names as libgcc2.c.
6559 * libgcc.S: Use newly defined names.
6561 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
6562 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
6564 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
6565 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
6566 (FLOW_LOOP_LAST_BLOCK): Likewise.
6568 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6570 * basic-block.h (struct loop): New fields 'first' and 'last'.
6571 * flow.c (flow_loops_find): Compute loop->first and loop->last.
6572 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
6573 and loop->last to check for NOTE_INSN_LOOP_END.
6575 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
6577 * predict.c (estimate_probability): Use the new FIRST and LAST fields
6578 of the loop descriptor rather than HEADER and LATCH. Also added
6579 missing break statements as well making some coding style modifications
6580 as suggested by Michael Hayes.
6582 2000-01-28 Richard Henderson <rth@cygnus.com>
6584 * flow.c (find_basic_blocks): Remove do_cleanup argument.
6585 Break out that code ...
6586 (cleanup_cfg): ... here.
6587 (commit_one_edge_insertion): Detect a return instruction being
6588 emitted to an edge. Emit a barrier following; clear fallthru.
6589 (commit_edge_insertions): Verify CFG consistency.
6590 * function.c (expand_function_start): Kill unused variable.
6591 (expand_function_end): Likewise.
6592 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
6593 to insert the epilogue.
6595 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
6596 (delete_null_pointer_checks): Likewise.
6597 * output.h: Likewise.
6598 * reg-stack.c (reg_to_stack): Likewise.
6599 * toplev.c (rest_of_compilation): Likewise. Run
6600 thread_prologue_and_epilogue_insns after rebuilding the CFG.
6602 2000-01-28 Richard Henderson <rth@cygnus.com>
6604 * Makefile.in (flow.o): Revert 24 Jan change.
6605 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
6606 FUNCTION_VALUE result to DECL_RESULT's mode.
6608 * haifa-sched.c (schedule_insns): Don't recompute reg info
6611 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
6613 * configure.in: Make --enable-cpplib the default.
6614 * configure: Regenerate.
6615 * gcc.dg/990119-1.c: No longer expected to fail.
6617 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
6619 * jump.c (jump_optimize_1): Delete an optimization that is also done
6620 by merge_blocks in flow.
6622 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6624 * diagnostic.c (build_message_string, output_printf,
6625 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
6626 (build_location_prefix): Fix non-literal format string.
6628 2000-01-27 Richard Henderson <rth@cygnus.com>
6630 * alpha.md (trunctfsf2): New.
6632 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
6634 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
6636 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
6638 * cppinit.c (cpp_handle_option): Recognize C++ comments under
6640 * cpplib.c (skip_block_comment, skip_line_comment): Split code
6642 (skip_comment) ... here. Permit C++ comments in system
6643 headers always. Warn about C++ comments in user code under
6644 -std=gnu89 -pedantic.
6645 (copy_comment): Use skip_comment.
6646 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
6648 (consider_directive_while_skipping, do_else, do_endif): Call
6649 validate_else unconditionally.
6650 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
6651 text after the conditional in a system header.
6652 * cpplib.h (struct cpp_buffer): Add flag
6653 warned_cplusplus_comments.
6655 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
6657 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
6658 Use unshare_all_rtl_1.
6659 (unshare_all_rtl_again): New function.
6660 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
6662 * function.c (purge_addressof_1): Use unshare_all_rtl_again
6663 rather than resetting the 'used' flags ourself.
6665 * toplev.c (rest_of_compilation): Add current_function_decl
6666 to the unshare_all_rtl call.
6667 * tree.h: Prototype unshare_all_rtl.
6668 * rtl.h: Prototype unshare_all_rtl_again here.
6670 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
6672 * genoutput.c (output_prologue): Include ggc.h in generated
6674 * Makefile.in (insn-output.o): Depends on ggc.h.
6676 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
6677 Hans-Peter Nilsson <hp@bitrange.com>
6679 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
6680 Remove redundant include of xm-ns32k.h.
6681 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
6682 Remove redundant include of xm-ns32k.h.
6683 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
6684 Remove redundant include of xm-ns32k.h.
6685 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
6687 * ns32k/ns32k.h: Update comment on multiply-add instructions.
6688 (TARGET_SWITCHES): Add documentation strings.
6689 (DWARF_FRAME_REGNUM): Override default definition.
6690 (REG_CLASS_CONTENTS): Add comments.
6691 (SUBSET_P): Format to reduce line length.
6692 (SMALL_REGISTER_CLASSES): Make a run time option.
6693 (GO_IF_NONINDEXED_ADDRESS): Reformat.
6694 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
6695 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
6696 (regclass_map): fix typo in comment.
6697 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
6698 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
6699 (trace, reg_or_mem_operand): Delete, unused function.
6700 (calc_address_cost): Small offsets are cheaper than large ones.
6701 (expand_block_move): Generate more efficient code when bytes is a
6702 known at compile time.
6703 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
6704 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
6705 instead of reg_or_mem_operand.
6707 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
6708 not general_operand. Similarly use "=rm" or stricter, not "=g".
6709 For input operands, use stricter constraints than "g" if not
6710 general_operand. Similarly use stricter predicate than
6711 "general_operand" when stricter constraints than "g" are present,
6712 except for matching constraints.
6713 (movstrsi): Use "memory_operand" for operands 0 and 1.
6714 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
6715 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
6716 not reg_or_mem_operand.
6717 (udivmoddisi4): Ditto.
6718 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
6719 Use nonimmediate_operand for operand 3, not register_operand.
6720 (udivmoddiqi4_internal): Use register_operand for operand 1, not
6723 2000-01-27 Fred Fish <fnf@be.com>
6725 * gthr-posix.h: Fix typo; compatibily -> compatibility.
6726 * gthr-single.h: Likewise.
6727 * gthr-solaris.h: Likewise.
6728 * gthr-vxworks.h: Likewise.
6729 * gthr-win32.h: Likewise.
6732 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
6734 * cppinit.c: Add " (cpplib)" to end of string printed by
6737 2000-01-27 Richard Henderson <rth@cygnus.com>
6739 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
6740 testing for a signed comparison.
6741 (alpha_emit_floatuns): New.
6742 * alpha-protos.h: Declare it.
6743 * alpha.md (floatunsdisf2, floatunsdidf2): New.
6744 (extendsfdf2): Tidy.
6746 2000-01-27 Jakub Jelinek <jakub@redhat.com>
6748 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
6749 no -g option specifying debugging format, default to -gstabs+.
6751 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6753 * calls.c (special_function_p): New argument fork_or_exec.
6754 (expand_call): When profile_arc_flag is set and the function
6755 is in the fork_or_exec group, call __bb_fork_func first.
6756 * libgcc2.c, _bb module (__bb_fork_func): New function.
6757 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
6759 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
6760 * tree.h (special_function_p): Update prototype.
6762 2000-01-26 Richard Henderson <rth@cygnus.com>
6764 * alpha.c (alpha_split_tfmode_pair): New.
6765 * alpha-protos.h: Declare it.
6766 * alpha.md (abstf2, negtf2): New.
6767 (movtf insn): Add input G constraint.
6768 (movtf splitter): Use alpha_split_tfmode_pair.
6770 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6772 * i386/cygwin.h: PROTO -> PARAMS.
6774 2000-01-26 Jakub Jelinek <jakub@redhat.com>
6776 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
6777 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
6778 using _Qp_cmp/_Q_cmp and testing the return value.
6779 (print_operand): Call reverse_condition_maybe_unordered if
6780 we are handling CCFPmode or CCFPEmode.
6781 Handle ORDERED, UN* and LTGT comparisons.
6782 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
6783 if not TARGET_HARD_QUAD.
6784 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
6785 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
6786 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
6787 Adjust gen_b* calls so that they reflect return comparison of
6788 sparc_emit_float_lib_cmp.
6790 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6792 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
6793 incoming operands array is large enough for one more operand.
6794 (alpha_emit_xfloating_arith): Likewise.
6796 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
6798 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
6799 file with one line and no trailing newline.
6800 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
6801 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
6802 checking if the match is on the line.
6803 * fixinc/gnu-regex.c: Provide regerror not __regerror.
6805 2000-01-25 Richard Henderson <rth@cygnus.com>
6807 * sparc.c (output_cbranch): Fix accidental squashing of the
6808 fp branch pre-delay nop.
6810 2000-01-25 Richard Henderson <rth@cygnus.com>
6812 * tree.def (UNNE_EXPR): Remove.
6813 * c-typeck.c (build_binary_op): Don't handle it.
6814 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
6816 * rtl.def (UNNE): Remove.
6818 * jump.c (reverse_condition): Update accordingly.
6819 (swap_condition): Likewise.
6820 (comparison_dominates_p): Handle unordered comparisons.
6821 (reverse_condition_maybe_unordered): New.
6822 * rtl.h (reverse_condition_maybe_unordered): Declare.
6824 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
6825 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
6826 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
6827 * sparc.md (bltgt): New.
6829 2000-01-25 Nick Clifton <nickc@redhat.com>
6831 * emit-rtl.c (emit_insn): Only check machine class insns for
6832 improper emission of a RETURN.
6834 2000-01-25 Richard Henderson <rth@cygnus.com>
6836 * Makefile.in (flow.o): Depend on $(EXPR_H).
6837 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
6838 duplicate the structure of diddle_return_value for keeping regs live.
6840 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6842 * loop.c (current_loop_info): Delete.
6843 (consec_sets_invariant_p): Add loop argument, update callers.
6844 (get_condition_for_loop): Likewise.
6845 (count_nonfixed_reads, update_giv_derive): Likewise.
6846 (simplify_giv_expr, general_induction_var): Likewise.
6847 (consec_sets_giv, recombine_givs): Likewise.
6848 (move_movables): Delete loop_start and loop_end arguments,
6849 add loop argument, and update callers.
6850 (find_mem_givs, check_final_value): Likewise.
6851 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
6852 (loop_invariant_p): Rename from invariant_p, add loop argument, and
6854 (basic_induction_var): Add loop argument, delete loop_level argument,
6856 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
6857 add loop argument, and update callers.
6858 (find_splittable_regs, find_splittable_givs): Likewise.
6859 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
6860 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
6861 (biv_total_increment): Delete loop_start and loop_end arguments;
6863 (precondition_loop_p): Delete loop_start and loop_info arguments;
6865 * loop.h (get_condition_for_loop): Add loop argument.
6866 (biv_total_increment): Delete loop_start and loop_end arguments.
6867 (precondition_loop_p): Delete loop_start and loop_info arguments;
6869 (final_biv_value): Delete loop_start and loop_end arguments;
6871 (final_giv_value, back_branch_in_range_p): Likewise.
6873 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
6875 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
6877 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
6879 * Makefile.in (c-gperf.h) : Change the "See" pointer to
6880 point to the new "generated_files" doc.
6882 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
6884 * config/fp-bit.c (_unord_f2): Fix typo.
6886 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
6888 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
6889 c-typeck.c, objc/objc-act.c: Remove all references to obstack
6890 functions obsoleted by GC, such as push_obstacks_nochange,
6891 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
6892 and code which existed only to decide whether or not to call
6893 them. Remove now-unused NESTED argument from start_function;
6894 all callers changed. Do not change behavior based on ggc_p.
6895 The use of the ixp_obstack in c-iterate.c and the util_obstack
6896 in objc/objc-act.c remain; these are not obsoleted by garbage
6898 * c-tree.h: Update prototype for start_function.
6900 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
6902 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
6904 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
6907 2000-01-25 Richard Henderson <rth@cygnus.com>
6909 * sparc-protos.h (select_cc_mode): Declare.
6910 * sparc.c (select_cc_mode): New. Handle unordered compares.
6911 (output_cbranch): Always reverse via code change. Handle
6912 unordered compares. Factor tests and string updates.
6913 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
6914 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
6915 * sparc.md (bunordered, bordered): New.
6916 (bungt, bunlt, buneq, bunge, bunle): New.
6918 2000-01-25 Richard Henderson <rth@cygnus.com>
6920 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
6921 * ggc-common.c (ggc_add_rtx_varray_root): New.
6922 (ggc_mark_rtx_varray): New.
6923 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
6924 functions down below ggc_mark_foo.
6925 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
6927 2000-01-25 Richard Henderson <rth@cygnus.com>
6929 * alpha.c (secondary_reload_class): Don't allocate a secondary
6930 for integral mode memories into FLOAT_REGS. Rearrange the more
6931 complicated memory expression inward.
6933 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
6935 * inclhack.def: Fixes to play nicer with FreeBSD, and
6936 corrections to comments.
6937 (cxx_unready): Add select expression.
6938 (irix_sockaddr): Add bypass expression.
6939 (machine_ansi_h_va_list): New fix.
6940 (stdio_va_list): No need to edit _BSD_VA_LIST_.
6941 Split out addition of "#include <stdarg.h>" to...
6942 (stdio_stdarg_h): ... here.
6943 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
6944 to stdlib.h also. Do not munge _BSD_SIZE_T_.
6945 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
6947 (ultrix_ifdef): Tighten up select expression.
6949 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
6950 re_ct and max_mach to avoid use of shell. Make printed names
6951 match names in inclhack.def. Use static copyright date.
6952 Don't count c_test and test expressions as requiring regex_t
6953 slots. Add some commentary.
6954 * inclhack.tpl: Do not include the 'This script contains N
6955 fixup scripts' line if PROGRAM is defined. Use static
6958 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
6960 * dwarf2out.c: include "varray.h", not dyn-string.h.
6961 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
6962 (addr_const_to_string, addr_to_string): Lose.
6963 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
6964 (struct dw_val_struct): val_addr is now an rtx.
6965 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
6966 (used_rtx_varray): New varray.
6967 (dwarf2out_init): Initialize it.
6969 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
6971 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
6972 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
6973 * Makefile.in (dwarf2out.o): Update dependencies.
6975 2000-01-24 Richard Henderson <rth@cygnus.com>
6977 * i386.c (i386_dwarf_output_addr_const): New.
6978 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
6980 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
6982 * dwarfout.c (output_mem_loc_descriptor): Likewise.
6983 * i386.c (i386_simplify_dwarf_addr): New.
6984 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
6986 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
6988 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
6989 TYPE_STUB_DECL is NULL.
6991 2000-01-24 Richard Henderson <rth@cygnus.com>
6993 * builtins.c (expand_tree_builtin): Move ...
6994 * c-common.c (expand_tree_builtin): ... here.
6996 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6998 * loop.h (LOOP_INFO): New accessor macro.
6999 * basic-block.h (struct loop): Rename field `info' to `aux'.
7000 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
7001 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
7002 * unroll.c (loop_iterations, unroll_loop): Likewise.
7004 2000-01-24 Christopher Faylor <cgf@cygnus.com>
7006 * config/i386/t-cygwin: Accomodate new winsup directory layout
7007 when searching for include files.
7009 2000-01-24 Richard Henderson <rth@cygnus.com>
7011 * rtl.def: Add unordered fp comparisions.
7012 * tree.def: Likewise.
7013 * tree.h: Add ISO C 9x unordered fp comparision builtins.
7015 * builtins.c (expand_tree_builtin): New function.
7016 * c-typeck.c (build_function_call): Use it.
7017 (build_binary_op): Support unordered compares.
7018 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
7020 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
7021 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
7022 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
7023 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
7024 * jump.c (reverse_condition): Don't abort for UNLE etc, but
7026 (swap_condition): Handle unordered compares.
7027 (thread_jumps): Check can_reverse before reversing.
7028 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
7031 * optabs.c (can_compare_p): New argument CODE. Verify branch or
7032 setcc is present before acking for cmp_optab. Update all callers.
7033 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
7034 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
7035 * expr.c (expand_expr): Likewise. Support unordered compares.
7036 (do_jump, do_store_flag): Likewise.
7037 * expr.h (enum libfunc_index): Add unordered compares.
7039 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
7040 (DPBIT_FUNCS): Add _unord_df.
7041 * config/fp-bit.c (_unord_f2): New.
7042 * fp-test.c (main): Try unordered compare builtins.
7044 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
7045 * alpha.c (alpha_comparison_operator): Check mode properly.
7046 (alpha_swapped_comparison_operator): Likewise.
7047 (signed_comparison_operator): Likewise.
7048 (alpha_fp_comparison_operator): New.
7049 (alpha_emit_conditional_branch): Handle unordered compares.
7050 * alpha.h (PREDICATE_CODES): Update.
7051 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
7052 (bunordered, bordered): New.
7054 2000-01-24 Richard Henderson <rth@cygnus.com>
7056 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
7057 * alpha.md (movtf): New expander, insn, and splitter.
7059 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
7061 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
7064 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
7066 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
7067 (FIXED_REGISTERS, CALL_USED_REGISTERS,
7068 REG_ALLOC_ORDER): Add frame pointer
7069 (FRAME_POINTER_REGNUM): Set to 20
7070 (HARD_FRAME_POINTER_REGNUM): New macro.
7071 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
7072 to HARD_FRAME_POINTER.
7073 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
7074 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
7075 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
7076 (HI_REGISTER_NAMES): Add "frame".
7077 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
7078 (debug_reg): Handle FRAME_POINTER_REGNUM.
7079 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
7080 GENERAL_REGS and INDEX_REGS.
7081 * i386.c (SAVED_REGS_FIRST): new macro.
7082 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
7083 (ix86_decompose_address, memory_address_length): Likewise.
7084 (regclass_map): Add frame pointer.
7085 (call_insn_operand): Handle frame_pointer_rtx.
7086 (reg_no_sp_operand): Likewise.
7087 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
7088 (print_operand, legitimize_pic_address): Fix formating.
7089 (ix86_compute_frame_size): Make static, update prototype, new
7090 parameters padding1, padding2, use ix86_nsaved_regs, use
7091 stack_alignment_needed.
7092 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
7093 to HARD_FRAME_POINTER_REGNUM conversions.
7094 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
7095 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
7096 (print_reg): Abort on FRAME_POINTER_REGNUM
7098 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
7100 * i386.h (PREDICATE_CODES): Add aligned_operand.
7101 * i386.c (aligned_operand): New function.
7102 (ix86_aligned_p): Kill.
7103 * i386.md (movhi_1): Emit mov for aligned operands.
7104 (promoting peep2s): Use aligned_operand.
7106 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
7108 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
7109 expression to allow underscores in macro names.
7110 (fix_char_macro_defines): Increment scanning pointer.
7112 2000-01-23 Richard Henderson <rth@cygnus.com>
7114 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
7115 * alpha/osf5.h: New file.
7116 * configure.in (alpha-*-osf5): Add it to tm_file.
7118 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
7120 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
7121 (alpha_emit_xfloating_cvt, function_arg): Declare.
7122 * alpha.c (alpha_emit_conditional_branch): Call
7123 alpha_emit_xfloating_compare for TFmode compares.
7124 (alpha_lookup_xfloating_lib_func): New.
7125 (alpha_compute_xfloating_mode_arg): New.
7126 (alpha_emit_xfloating_libcall): New.
7127 (alpha_emit_xfloating_arith): New.
7128 (alpha_emit_xfloating_compare): New.
7129 (alpha_emit_xfloating_cvt): New.
7130 (print_operand): Add default abort case.
7131 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
7132 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
7133 (BIGGEST_ALIGNMENT): Increase to 128 bits.
7134 (RETURN_IN_MEMORY): True for TF/TCmode.
7135 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
7136 (FUNCTION_ARG): Move to function_arg.
7137 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
7138 (ASM_OUTPUT_LONG_DOUBLE): New.
7139 (ASM_OUTPUT_DOUBLE): Always output bits.
7140 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
7141 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
7142 (extenddftf2, trunctfdf2): New.
7144 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7146 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
7147 * config/sparc/sol2.h: ... here.
7149 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7151 * basic-block.h (struct loops): New field `levels'.
7152 * flow.c (flow_loops_level_compute): Traverse all outer loops.
7153 (flow_loop_level_compute): Initialise level to 1.
7154 (flow_loops_find): Set loops->levels.
7155 (flow_loops_dump): Print loops->levels.
7157 2000-01-23 Richard Henderson <rth@cygnus.com>
7159 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
7160 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
7162 2000-01-23 Richard Henderson <rth@cygnus.com>
7164 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
7165 * i386.h (DBX_REGISTER_NUMBER): Use them.
7166 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
7167 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
7168 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
7169 * i386/sequent.h: Kill incorrect comment.
7171 2000-01-23 Mark Mitchell <mark@codesourcery.com>
7173 * ggc-page.c (struct page_entry): Make `context_depth' an
7175 (struct globals): Likewise.
7177 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
7179 * loop.c (check_dbra_loop): When checking a loop for
7180 reversability, check the source of any stores to ensure
7181 they don't depend on an initial value.
7183 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7185 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
7187 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
7189 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
7190 'pz_scan' into scope of entire function. Only affects
7191 compiles with -DDEBUG.
7193 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
7195 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
7196 section naming to that prior to 2000-01-07 patch.
7197 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
7198 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
7199 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
7200 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
7201 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
7203 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
7205 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
7208 2000-01-21 Jim Wilson <wilson@cygnus.com>
7210 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
7211 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
7213 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
7215 * cpphash.c (change_newlines): Delete function.
7216 (struct argdata): Delete 'newlines' and 'use_count' fields.
7217 (macroexpand): Remove code referencing those fields.
7219 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7221 * loop.c (loops_info): New variable.
7222 (loop_optimize): Allocate loops->array and free it on exit.
7223 Allocate memory for loops_info and assign to each loop,
7225 (find_and_verify_loops): Do not allocate loops->array.
7227 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
7229 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
7231 2000-01-21 Jakub Jelinek <jakub@redhat.com>
7233 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
7234 pseudos if expanded after first flow.
7235 (movdi_pic_label_ref): Likewise.
7237 2000-01-20 Richard Henderson <rth@cygnus.com>
7239 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
7241 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
7243 * Makefile.in (fixinc.sh): Depend on specs.
7244 * fixinc/Makefile.in: Add rule to create machname.h.
7245 (fixlib.o): Depend on machname.h.
7246 * fixinc/fixtests.c (machine_name): New test.
7247 * fixinc/fixfixes.c (machine_name): New fix.
7248 * fixinc/fixlib.c (mn_get_regexps): New helper function for
7249 the machine_name test and fix.
7250 * fixinc/fixlib.h: Prototype it.
7251 * fixinc/inclhack.def (machine_name): Use the C test and fix.
7252 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
7254 * gcc.c (do_spec_1) [case P]: Take care not to create
7255 identifiers with three leading or trailing underscores.
7257 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
7258 (fixincl): Don't specify libraries twice on link line.
7259 (gnu-regex.o): Remove special rule.
7260 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
7261 defined by config.h. Do not define _REGEX_RE_COMP.
7262 (regcomp): Allocate and initialize a fastmap.
7263 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
7265 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
7267 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
7269 2000-01-19 Richard Henderson <rth@cygnus.com>
7271 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
7272 arguments with BB. Update all callers. Tidy line wrapping.
7274 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
7276 * emit-rtl.c (try_split): Return last_insn if we split the
7279 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
7281 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
7282 (ix86_initial_elimination_offset): Declare.
7283 * i386.c (ix86_nsaved_regs): Break out from ...
7284 (ix86_can_use_return_insn_p): ... here.
7285 (ix86_emit_save_regs): Break out from ...
7286 (ix86_expand_prologue): ... here.
7287 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
7289 (ix86_expand_epilogue): ... here.
7290 (ix86_compute_frame_size): Make static, add prototype.
7291 (ix86_initial_elimination_offset): Break out from ...
7292 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
7294 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7296 * recog.h (OUT_FCN): Delete.
7298 * vax.md: Call `get_insn_template' instead of OUT_FCN.
7300 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7302 * cppalloc.c: PROTO -> PARAMS.
7303 * cpperror.c: Likewise.
7304 * cppfiles.c: Likewise.
7305 * cpplib.c: Likewise.
7306 * cpplib.h: Likewise.
7308 * config/arm/arm-protos.h: PROTO -> PARAMS.
7309 * config/arm/arm.c: Likewise.
7310 * config/c4x/c4x.c: Likewise.
7311 * config/fr30/fr30-protos.h: Likewise.
7312 * config/nextstep.c: Likewise.
7313 * config/pa/pa.c: Likewise.
7314 * config/pj/pj.c: Likewise.
7315 * config/rs6000/rs6000.c: Likewise.
7316 * config/v850/v850-protos.h: Likewise.
7317 * config/v850/v850.c: Likewise.
7319 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7321 * i370-protos.h: New file.
7323 * i370.c: Include tm_p.h. Fix compile time warnings.
7325 * i370.h: Move prototypes to i370-protos.h. Fix compile time
7328 * i370.md: Likewise.
7330 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7332 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
7333 (target_isinf, target_isnan, eisnan): Mark parameter with
7335 (eiisinf): Wrap in INFINITY.
7336 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
7337 (ibmtoe): Remove unused variable `rndsav'.
7339 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7341 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
7342 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
7344 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
7346 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
7347 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
7348 (fix_char_macro_defines, fix_char_macro_uses): New functions.
7350 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
7351 Recognize Emacs mode markers also.
7352 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
7353 C++ comments in C++ headers. Call is_cxx_header only if
7356 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
7358 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
7359 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
7360 ... these, which use the new C fixes.
7361 (math_exception): Escape literal '+' in bypass expression.
7363 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
7366 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7368 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
7371 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7373 * loop.c (loop_optimize): Allocate loop_info structure for each loop
7374 prior to calling scan_loop.
7376 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7378 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
7379 (split_branches, calc_live_regs): Likewise.
7381 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7383 * sh.md (fpu_single, fp_mode): New attributes.
7385 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7387 * loop.c (current_loop_info): Renamed from loop_info_data
7388 and changed to a pointer.
7389 (loop_optimize): Allocate loop_info structure for each loop
7390 and initialise to zero.
7391 (scan_loop): Set current_loop_info.
7393 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
7396 2000-01-19 Richard Henderson <rth@cygnus.com>
7398 * stupid.c: Die die die.
7399 * Makefile.in (OBJS): Remove stupid.o.
7400 (stupid.o): Likewise.
7402 * except.c (emit_eh_context): Don't emit USEs for stupid.
7403 * explow.c (probe_stack_range): Likewise.
7404 * flags.h (obey_regdecls): Remove.
7405 * flow.c (find_basic_blocks): Don't run try_merge_blocks
7406 when not optimizing.
7407 (life_analysis): Limit data collection when not optimizing.
7408 (mark_regs_live_at_end): Always mark the return value registers.
7409 (mark_used_regs): Remove dummy RETURN case.
7410 (print_rtl_with_bb): Don't consult obey_regdecls.
7411 * function.c (use_variable, use_variable_after): Remove.
7412 (assign_parms): Consult optimize not obey_regdecls.
7413 (expand_function_start): Don't emit USEs for stupid.
7414 (expand_function_end): Likewise.
7415 * global.c (build_insn_chain): Export.
7416 * integrate.c (expand_inline_function): Kill return-value USE
7418 * jump.c (jump_optimize_1): Do simple jump optimizations and
7419 dead code elimination.
7420 (calculate_can_reach_end): Remove check_deleted argument.
7421 (delete_insn): Patch out insns even when not optimizing.
7422 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
7423 * rtl.h (use_variable, use_variable_after): Remove declarations.
7424 (build_insn_chain): Declare.
7425 * stmt.c (expand_value_return): Don't emit USEs for stupid.
7426 (expand_end_bindings): Likewise.
7427 (expand_decl): Likewise. Consult optimize not obey_regdecls.
7428 * toplev.c (obey_regdecls): Remove.
7429 (rest_of_compilation): Don't set it. Kill stupid in favour of
7430 flow1, local-alloc, and reload.
7431 (main): Don't set obey_regdecls.
7433 * config/nextstep.c (handle_pragma): Likewise.
7435 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
7437 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
7439 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7441 * alpha-protos.h: PROTO -> PARAMS.
7442 * alpha.c: Likewise.
7444 * h8300.c: Likewise.
7445 * i386-protos.h: Likewise.
7447 * m32r-protos.h: Likewise.
7450 * mips.md: Likewise.
7451 * gmon-sol2.c: Likewise.
7452 * sparc.c: Likewise.
7454 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7456 * ns32k-protos.h: New file.
7458 * ns32k.c: Fix compile time warnings.
7460 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
7463 * ns32k.md: Likewise.
7465 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7467 * vax-protos.h: New file.
7469 * vax.c: Fix compile time warnings.
7471 * vax.h: Move prototypes to vax-protos.h. Fix compile time
7476 * vaxv.md: Likewise.
7478 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7480 * romp-protos.h: New file.
7482 * romp.c: Fix compile time warnings.
7484 * romp.h: Move prototypes to romp-protos.h. Fix compile time
7487 * romp.md: Likewise.
7489 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7491 * we32k-protos.h: New file.
7493 * we32k.c: Fix compile time warnings.
7495 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
7498 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7500 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
7502 * except.c (eh_regs): Likewise.
7504 * final.c (output_operand): Likewise.
7506 * fold-const.c (target_isinf, target_isnan): Likewise.
7508 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
7510 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
7511 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
7513 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
7515 (clrstrsi): Rewrite.
7516 (strsethi, strsetqi): New expanders.
7517 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
7518 (cmpstrsi): Emit compare insn before cmpstrsi_1
7519 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
7520 (strlensi_1): Likewise.
7521 (cmpstrsi_1): Likewise; do not output compare.
7522 (strlen expander): Do not unroll when optimizing for size.
7523 (*subsi3_carry): Rename to subsi3_carry
7524 (addqi3_cc): New pattern.
7525 * i386.h (processor_costs): Add move_ratio field.
7526 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
7527 * i386.c (*_cost): Set move_ratio.
7528 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
7529 (x86_expand_strlensi_1): Rewrite the main loop.
7531 2000-01-17 Richard Henderson <rth@cygnus.com>
7533 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
7534 * cse.c (find_comparison_args, fold_rtx): Likewise.
7535 * integrate.c (subst_constants): Likewise.
7536 * loop.c (get_condition): Likewise.
7538 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
7540 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
7542 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7544 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
7545 (RESTORE_WARN_FLAGS): Unpack it.
7546 Change semantic type of extension to ttype.
7547 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
7548 * c-parse.y, c-parse.c, objc/objc-parse.y,
7549 objc/objc-parse.c: Regenerate.
7551 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
7553 * fixinc/fixlib.c: Add copyright notice.
7554 (compile_re): New function.
7555 * fixinc/fixlib.h: Prototype compile_re.
7557 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
7558 Use compile_re to compile regular expressions.
7560 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
7561 where the pattern matched.
7563 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
7565 (ultrix_ansi_compat): Likewise.
7566 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
7568 (interactv_add2, interactv_add3): Delete.
7569 (x11_sprintf): Don't use filename glob.
7570 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
7573 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7575 * print-rtl.c: PROTO -> PARAMS.
7577 * reg-stack.c: Likewise.
7578 * resource.c: Likewise.
7579 * sdbout.h: Likewise.
7580 * simplify-rtx.c: Likewise.
7581 * stor-layout.c: Likewise.
7582 * stupid.c: Likewise.
7583 * xcoffout.c: Likewise.
7584 * xcoffout.h: Likewise.
7586 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7588 * toplev.c: PROTO -> PARAMS.
7589 * toplev.h: Likewise.
7592 * unroll.c: Likewise.
7593 * varasm.c: Likewise.
7594 * varray.c: Likewise.
7595 * varray.h: Likewise.
7597 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7599 * reload.c: PROTO -> PARAMS.
7600 * reload.h: Likewise.
7601 * reload1.c: Likewise.
7602 * reorg.c: Likewise.
7603 * resource.h: Likewise.
7606 * rtlanal.c: Likewise.
7607 * sbitmap.h: Likewise.
7608 * sdbout.c: Likewise.
7609 * stack.h: Likewise.
7611 * system.h: Likewise.
7613 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7615 * machmode.h: PROTO -> PARAMS.
7616 * mbchar.h: Likewise.
7617 * mips-tdump.c: Likewise.
7618 * mips-tfile.c: Likewise.
7619 * optabs.c: Likewise.
7620 * output.h: Likewise.
7621 * prefix.c: Likewise.
7622 * profile.c: Likewise.
7623 * protoize.c: Likewise.
7625 * recog.c: Likewise.
7626 * recog.h: Likewise.
7627 * regclass.c: Likewise.
7628 * regmove.c: Likewise.
7631 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7633 * ggc-common.c: PROTO -> PARAMS.
7634 * ggc-page.c: Likewise.
7635 * ggc-simple.c: Likewise.
7637 * global.c: Likewise.
7638 * graph.c: Likewise.
7639 * gthr-win32.h: Likewise.
7640 * haifa-sched.c: Likewise.
7641 * halfpic.h: Likewise.
7642 * integrate.c: Likewise.
7643 * integrate.h: Likewise.
7646 * local-alloc.c: Likewise.
7650 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7652 * genattr.c: PROTO -> PARAMS.
7653 * genattrtab.c: Likewise.
7654 * gencheck.c: Likewise.
7655 * gencodes.c: Likewise.
7656 * genconfig.c: Likewise.
7657 * genemit.c: Likewise.
7658 * genextract.c: Likewise.
7659 * genflags.c: Likewise.
7660 * gengenrtl.c: Likewise.
7661 * genopinit.c: Likewise.
7662 * genoutput.c: Likewise.
7663 * genpeep.c: Likewise.
7664 * genrecog.c: Likewise.
7666 2000-01-16 Mark Mitchell <mark@codesourcery.com>
7668 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
7670 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7672 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
7673 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
7674 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
7675 * configure, config.in: Rebuilt.
7677 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
7679 * config/i386/i386.md: Add peephole to merge successive stack
7682 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
7684 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
7685 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
7686 when walking backwards to find all the parameter loads when
7687 the basic block ends in a call.
7689 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7691 * loop.c (this_loop_info): Delete.
7692 (uid_loop): Add in place of uid_loop_num. All uses updated.
7693 (loop_number_exit_count): Delete and replace with entry in loop
7694 structure. All uses updated.
7695 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
7696 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
7697 (loop_outer_loop): Likewise.
7698 (loop_invalid, loop_number_exit_labels): Likewise.
7699 (loop_used_count_register): Delete and replace with entry in
7700 loop_info structure.
7701 (find_and_verify_loops): Add loops argument.
7702 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
7703 loop_end, etc. arguments with loop structure pointer. All callers
7705 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
7706 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
7707 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
7708 (insert_bct): Likewise.
7709 (basic_induction_var): New argument level.
7710 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
7711 vtop, and cont. Add used_count_register.
7712 (uid_loop): Delete declaration.
7713 (loop_number_exit_count): Likewise.
7714 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
7715 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
7716 (loop_outer_loop, loop_used_count_register): Likewise.
7717 (loop_invalid, loop_number_exit_labels): Likewise.
7718 (unroll_loop): Replace loop_start and loop_end arguments
7719 with loop structure pointer.
7720 (loop_precondition_p, loop_iterations): Likewise.
7721 Include basic-block.h.
7722 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
7723 with loop structure pointer.
7724 (loop_precondition_p, loop_iterations): Likewise.
7725 * basic-block.h (struct loop): New entries vtop, cont,
7726 cont_dominator, start, end, top, scan_start, exit_labels,
7728 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
7730 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7732 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
7734 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
7736 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
7738 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7740 * pdp11-protos.h: New file.
7742 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
7745 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
7748 * pdp11.md: Likewise.
7752 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7754 * mn10300-protos.h: New file.
7756 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
7759 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
7762 * mn10300.md: Likewise.
7764 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7766 * mn10200-protos.h: New file.
7768 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
7771 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
7774 * mn10200.md: Likewise.
7776 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7778 * h8300-protos.h: New file.
7780 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
7783 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
7786 * h8300.md: Likewise.
7788 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7790 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
7791 (asm_emit_uninitialised): Likewise.
7793 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
7795 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
7796 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
7798 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7800 * config/mips/mips.c (override_options): Don't turn on extra
7801 alignment for mips16.
7803 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7805 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
7806 eabi, and make sure queued POSTINCREMENT rtl is emitted at
7809 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7811 * builtins.c (PAD_VARARGS_DOWN): Define.
7812 (std_expand_builtin_va_arg): Use the above macro.
7813 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
7814 * tm.texi (Register Arguments): Document the above macro.
7816 2000-01-14 Nick Clifton <nickc@cygnus.com>
7818 * emit-rtl.c (emit_insn): If checking is enabled, make sure
7819 that this function has not been used to emit a jump
7822 * jump.c (return_jump_1): Cope with being passed a null rtx.
7824 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7826 * eh-common.h: PROTO -> PARAMS.
7827 * emit-rtl.c: Likewise.
7828 * errors.c: Likewise.
7829 * errors.h: Likewise.
7830 * except.c: Likewise.
7831 * except.h: Likewise.
7832 * explow.c: Likewise.
7833 * expmed.c: Likewise.
7836 * final.c: Likewise.
7837 * fix-header.c: Likewise.
7839 * fold-const.c: Likewise.
7840 * function.c: Likewise.
7841 * function.h: Likewise.
7843 * gcov-io.h: Likewise.
7847 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7849 * sh-protos.h: New file.
7851 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
7852 Add static prototypes. Fix compile time warnings.
7854 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
7858 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7860 * arc-protos.h: New file.
7862 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
7865 * arc.h: Move prototypes to arc-protos.h. Fix compile time
7870 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7872 * dsp16xx-protos.h: New file.
7874 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
7877 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
7880 * dsp16xx.md: Likewise.
7882 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7884 * convex-protos.h: New file.
7886 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
7889 * convex.h: Move prototypes to convex-protos.h. Fix compile time
7892 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7894 * elxsi-protos.h: New file.
7896 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
7899 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
7902 * elxsi.md: Likewise.
7904 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7906 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
7907 case for moving from HI/LO/HI_LO_REG. This makes the behavior
7908 match the comment for MIPS16.
7910 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
7912 * flow.c (split_edge): Do not call set_block_for_insn if we
7913 do not have a basic_block_for_insn structure.
7915 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
7916 and destination functions are 32bit aligned within the trampoline.
7917 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
7918 (TRAMPOLINE_ALIGNMENT): Define.
7920 * cse.c (cse_insn): When changing (set (pc) (reg)) to
7921 (set (pc) (label_ref)), verify the change creates a valid insn.
7923 * fr30.c (call_operand): Tighten and rework to match rules for
7924 call RTL expressions.
7925 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
7926 * fr30.md (call patterns): Improve constraints.
7928 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
7930 * fr30.c (fr30_expand_epilogue): Revert last change.
7931 Use emit_jump_insn for the return insn.
7933 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
7934 Stan Cox <scox@cygnus.com>
7936 * predict.c: New file. Preliminary infrastructure work for static
7937 branch prediction and basic block reordering.
7938 * basic-block.h: Add prototype for estimate_probability.
7939 * Makefile.in: Add rules for predict.o.
7941 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
7943 * fixincludes (va_list): Use __not_va_list__ for the dummy.
7944 * fixinc/*: Likewise.
7946 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7948 * cccp.c: PROTO -> PARAMS.
7950 * collect2.c: Likewise.
7951 * combine.c: Likewise.
7952 * convert.h: Likewise.
7954 * dbxout.c: Likewise.
7955 * dbxout.h: Likewise.
7956 * diagnostic.c: Likewise.
7957 * doprint.c: Likewise.
7958 * dwarf2out.c: Likewise.
7959 * dwarf2out.h: Likewise.
7960 * dwarfout.c: Likewise.
7961 * dwarfout.h: Likewise.
7962 * dyn-string.h: Likewise.
7964 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7966 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
7967 macro conditionals guarding use.
7969 * dwarf2out.c: Include "tm_p.h".
7971 * function.c (locate_and_pad_parm): Mark parameter with
7973 (expand_function_end): Likewise for variable `context'.
7975 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
7977 2000-01-13 Nick Clifton <nickc@cygnus.com>
7979 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
7980 register to prevent compile time warnings.
7982 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
7984 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
7985 to avoid -Wtraditional warning.
7987 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7989 * 1750a-protos.h: New file.
7991 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
7994 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
7997 * 1750a.md: Likewise.
7999 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8001 * a29k-protos.h: New file.
8003 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
8006 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
8009 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8011 * clipper-protos.h: New file.
8013 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
8016 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
8019 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8021 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
8023 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
8025 * configure.in (--enable-new-gxx-abi): New option.
8026 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
8027 * Makefile.in (GXX_ABI_FLAG): New variable.
8028 * configure: Regenerate.
8030 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8032 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
8033 * tm.texi (FORCE_STRUCT_BLK): Document.
8034 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
8036 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
8038 * config/ns32k/ns32k.md: Revert Jan 9 change.
8040 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
8041 to a mode-test, if the predicate is address_operand.
8043 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
8045 * combine.c (if_then_else_cond): Be careful about what kinds
8046 of RTL expressions are passed to operand_subword.
8048 * flow.c (split_edge): If we have to insert a new jump, make
8049 sure to associate it with a basic block.
8051 * flow.c (commit_one_edge_insertion): A block with one successor
8052 can end in a JUMP_INSN that is not a simplejump.
8054 2000-01-12 Robert Lipe <robertl@sco.com>
8056 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
8057 (BUILD_VA_LIST_TYPE): Define.
8058 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
8061 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
8063 * cccp.c (do_pragma): Add cast to (char *).
8065 2000-01-12 Richard Henderson <rth@cygnus.com>
8066 Fred Fish <fnf@be.com>
8067 Jason Merrill <jason@cygnus.com>
8069 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
8070 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
8071 * i386/beos-elf.h, i386/beos-pe.h: New files.
8073 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
8074 * cross-make (SYSTEM_HEADER_DIR): Define using
8075 CROSS_SYSTEM_HEADER_DIR.
8077 * gcc.c (LIBRARY_PATH_ENV): Provide default.
8078 (process_command): Use it.
8079 (main): Likewise. Kill trailing = from env vars.
8080 (build_search_list): Put it back.
8081 * collect2.c (main): Use LIBRARY_PATH_ENV.
8083 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
8084 * toplev.c: Use NEED_DECLARATION_ENVIRON.
8086 * tm.texi (Frame Layout): Document SMALL_STACK.
8087 * c-common.c (c_common_nodes_and_builtins): Check it.
8089 * system.h: Undef alloca after including glibc's <stdlib.h>,
8090 if USE_C_ALLOCA is defined.
8092 * gcc.c (set_input): New fn.
8093 (main): After all input files are compiled, reset the input file
8096 * aclocal.m4 (rindex, index): If already defined, don't attempt
8099 * ginclude/varargs.h: (__va_list__): Define ifndef.
8100 * ginclude/stdarg.h: Likewise.
8102 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
8103 instead of unsigned char.
8105 * hash.h (true, false, boolean): Undef before enum.
8107 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
8108 proper type of "HOST_WIDE_INT *", rather than their natural type of
8109 "unsigned HOST_WIDE_INT *".
8111 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8113 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
8115 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
8117 * regclass.c (choose_hard_reg_mode): Likewise.
8119 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
8121 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
8123 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8125 * c-common.c: PROTO -> PARAMS.
8126 * c-common.h: Likewise.
8127 * c-decl.c: Likewise.
8128 * c-iterate.c: Likewise.
8129 * c-lang.c: Likewise.
8130 * c-lex.c: Likewise.
8131 * c-lex.h: Likewise.
8132 * c-parse.in: Likewise.
8133 * c-pragma.c: Likewise.
8134 * c-pragma.h: Likewise.
8135 * c-tree.h: Likewise.
8136 * c-typeck.c: Likewise.
8137 * objc/objc-act.c: Likewise.
8138 * objc/objc-act.h: Likewise.
8140 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8142 * m88k-protos.h: New file.
8144 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
8147 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
8149 * m88k.md: Likewise.
8151 * tekXD88.h: Likewise.
8153 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8155 * m68k-protos.h: New file.
8157 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
8160 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
8162 * mot3300.h: Likewise.
8164 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
8166 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
8168 (extract_bitlist): Declare bitlen.
8170 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
8172 * cccp.c: Accept and ignore -lang-fortran.
8174 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
8175 qualifiers don't match at any level of pointerness.
8177 2000-01-12 Robert Lipe <robertl@sco.com>
8179 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
8181 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
8183 * reload1.c (reload_reg_unavailable): New static variable.
8184 (reload_reg_free_p): Test it.
8185 (reload_reg_free_for_value_p): Test it instead of
8187 (choose_reload_regs_init): Compute it.
8189 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
8191 * reorg.c (fill_slots_from_thread): Check modified_in_p
8194 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
8196 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
8197 these nodes even if INTERNALS is not set.
8199 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
8201 * gcse.c (delete_null_pointer_checks_1): Cope when
8202 get_condition cannot determine the condition.
8204 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
8206 * toplev.h (set_message_length): Declare.
8208 * diagnostic.c (obstack_chunk_alloc): Define macro.
8209 (obstack_chunk_free): Likewise.
8210 (struct output_buffer): New data structure.
8212 (output_maximum_width): New variable.
8213 (doing_line_wrapping, set_message_length, init_output_buffer,
8214 get_output_prefix, output_space_left, emit_output_prefix,
8215 output_newline, output_append, output_puts, dump_output,
8216 vbuild_message_string, build_message_string, build_location_prefix,
8217 voutput_notice, output_printf, line_wrapper_printf,
8218 vline_wrapper_message_with_location): New functions. Implement
8219 automatic line wrapping.
8220 (v_message_with_decl): Make it handle automatic line wrapping.
8221 (v_error_with_file_and_line): Likewise.
8222 (v_warning_with_file_and_line): Likewise.
8223 (announce_function): Likewise.
8224 (default_print_error_function): Likewise.
8226 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
8228 * cpplib.h (struct cpp_options): Change lang_asm to char.
8230 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
8231 done in cpp_handle_option now.
8232 (initialize_builtins): Take out special case code used only by
8234 (cpp_handle_option): Turn off trigraphs and trigraph warnings
8235 if -traditional. Recognize -lang-fortran and set
8236 lang_fortran, also turn off cplusplus_comments.
8237 (print_help): Document -lang-fortran.
8238 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
8239 lang_asm. Ignore all directives other than `# 123 "file"' if
8241 (cpp_get_token): If -traditional, don't recognize directives
8242 unless the # is in column 1.
8243 (parse_string): If lang_fortran or lang_asm, silently
8244 terminate strings ('' or "") at end of line.
8245 Remove unnecessary braces.
8247 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8248 Richard Henderson <rth@cygnus.com>
8250 * resource.c (mark_referenced_resources): Mark a set strict_low_part
8252 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
8253 strict_low_part when possible.
8255 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8257 * alias.c: PROTO -> PARAMS.
8258 * basic-block.h: Likewise.
8259 * bitmap.c: Likewise.
8260 * bitmap.h: Likewise.
8261 * builtins.c: Likewise.
8262 * c-aux-info.c: Likewise.
8263 * caller-save.c: Likewise.
8264 * calls.c: Likewise.
8266 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8268 * Makefile.in (toplev.o): Depend on regs.h.
8270 * output.h (tdesc_section): Prototype.
8272 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
8274 * sdbout.c: Include "tm_p.h".
8276 * toplev.c: Include "regs.h".
8278 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
8280 * unroll.c (unroll_loop): Add EH support.
8282 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8284 * pa-protos.h: New file.
8286 * pa.c: Include recog.h and tm_p.h.
8287 (compute_zdepwi_operands, compute_movstrsi_length,
8288 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
8289 find_addr_reg, import_milli): Add static prototypes.
8290 (pa_cpu_string, pa_arch_string): Constify a char*.
8291 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
8292 (read_only_operand): Add argument `mode'.
8293 (singlemove_string, output_move_double, output_fp_move_double,
8294 output_block_move, output_and, output_ior, output_ascii,
8295 remove_useless_addtr_insns, milli_names, output_mul_insn,
8296 output_div_insn, output_mod_insn, output_arg_descriptor,
8297 output_cbranch, output_bb, output_bvb, output_dbra, ,
8298 output_millicode_call, output_call, hppa_encode_label,
8299 output_parallel_movb, output_parallel_addb): Constify a char*.
8300 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
8301 (output_parallel_addb): Remove extra arg to `constrain_operands'
8303 * pa.h: Move all prototypes to pa-protos.h.
8304 (pa_cpu_string, pa_arch_string): Constify a char*.
8305 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
8307 * pa.md: Call `function_label_operand' with mode argument.
8308 Likewise for `read_only_operand'.
8309 Fix nesting of parens in call to `symbolic_operand'.
8311 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8313 * i860-protos.h: New file.
8315 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
8318 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
8320 * i860.md: Likewise.
8322 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
8324 * i386.md (movstrsi expander): Rewrite.
8325 (movstrsi_1 insn): Deleted.
8326 (strmovhi, strmovqi expander): New expanders.
8327 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
8328 * i386.c (x86_single_stringop): New global variable.
8329 * i386.h (x86_single_stringop): Declare.
8330 (TARGET_SINGLE_STRINGOP): New macro.
8332 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
8334 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
8335 integer vararg POSTINCREMENT before the destination of the jump
8336 for the hard fp case.
8337 (function_arg_pass_by_reference): Pass a copy of CUM to
8340 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
8341 for CONSTANT_ADDRESS_P above while loop for subreg.
8343 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
8345 * flow.c (propagate_block): When a prologue/epilogue insn
8346 is marked dead, unconditionally clear libcall_is_dead and
8347 insn_is_dead, and only dump rtl if warnings aren't being
8350 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
8352 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
8353 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
8354 (FIXED_REGISTERS): Set dirflag as fixed.
8355 (CALL_USED_REGISTERS): Set dirflag as used.
8356 (REG_ALLOC_ORDER): Set dirflag as last one.
8357 (DIRFLAG_REG): New macro.
8358 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
8359 (HI_REGISTER_NAMES): Add dirflag.
8360 (DEBUF_PRINT_REG): Handle dirflag.
8361 * i386.md (type attribute): New cld and str types.
8362 (length_opcode attribute): Set cld and str to 1.
8363 (memory attribute): Set str to unknown - it is not clear from the
8365 (pent_np function unit): Prefixed string operations takes 12 cycles
8366 minimally; cld takes 2 cycles.
8367 (ppro_uops attribute): Str is "many" and cld is "few".
8368 (ppro_p0 unit): Handle cld here.
8369 (k6_alux unit): Handle cld and str types.
8370 (k6_load unit): It is ocupied by str opcodes.
8371 (k6_store unit): It is ocupied by str opcodes.
8372 (athlon_decode): Str is vector decoded.
8373 (athlon_ieu): Handle str and cld.
8375 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
8376 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
8377 cmpstrsi_nz_1 insn): Do not output cld instruction
8379 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
8381 * gcc.texi (G++ and GCC): Add Java and Chill.
8382 (Bug Critera): Don't list languages.
8384 * gcc.texi (Incompatibilities): No longer claim most C compilers
8387 * gcc.texi (G++ and GCC): Update other front-ends list.
8389 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
8391 * i386.c (ix86_expand_setcc): Fix typo.
8392 (ix86_expand_movcc): Similarly.
8394 * Band-aid until haifa's bitset implementation is nuked.
8395 * haifa-sched.c (extract_bitlst): New parameter for size of the
8396 bitset in bits. All callers changed. Avoid looking at undefined
8398 (edgeset_bitsize): New variable.
8399 (schedule_region): Initialize edgeset_bitsize.
8401 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8403 * Makefile.in (optabs.o): Depend on real.h
8404 (resource.o): Depend on insn-attr.h
8406 * builtins.c (result_vector): Wrap prototype in macro conditions
8407 governing definition and use.
8409 * c-common.c: Include tm_p.h.
8411 * c-lex.c: Likewise.
8413 * elfos.h: Constify a char*.
8415 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
8416 (get_attr_length, shorten_branches, profile_after_prologue): Mark
8417 parameter with ATTRIBUTE_UNUSED.
8419 * fold-const.c (exact_real_inverse): Wrap variable `i' in
8422 * haifa-sched.c (schedule_insns): Mark parameter with
8425 * optabs.c: Include real.h.
8427 * real.h (ereal_atof): Add prototype arguments.
8429 * resource.c: Include insn-attr.h.
8431 * sdbout.c (sdbout_queue_anonymous_type,
8432 sdbout_dequeue_anonymous_types): Wrap in macro
8433 SDB_ALLOW_FORWARD_REFERENCES.
8434 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
8437 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
8439 * stupid.c: Include tm_p.h.
8441 * tree.c (real_value_from_int_cst): Mark parameter with
8444 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8446 * i960-protos.h: New file.
8448 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
8451 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
8453 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8455 * combine.c (expand_field_assignment): Do not discard SUBREGs
8456 while computing nonzero_bits.
8458 2000-01-09 Nick Clifton <nickc@cygnus.com>
8460 * config/arm/arm.c: Fix compile time warnings about signed vs
8462 * config/arm/arm.h: Fix compile time warnings about signed vs
8465 2000-01-09 Philip Blundell <philb@gnu.org>
8467 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
8468 than `ldm' with only one register.
8469 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
8472 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
8475 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
8477 * config/ns32k/ns32k.md (load or push effective address): Operand 1
8480 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8482 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
8483 assignment used as truth value.
8485 * function.c (assign_temp): Mark parameter `dont_promote' with
8486 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
8487 PROMOTE_FOR_CALL_ONLY.
8489 * genrecog.c (write_subroutine): Mark variable `operands' with
8492 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
8495 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
8496 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
8498 * toplev.c (note_deferral_of_defined_inline_function): Likewise
8501 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8503 * config/c4x.h: Tidy up comments.
8504 * config/c4x.c: Likewise.
8506 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
8508 * fold-const.c (lshift_double, rshift_double): Handle
8509 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
8511 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8513 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
8514 in prepare_function_start().
8516 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
8518 * config/v850/v850.c (expand_epilogue): Interrupt functions no
8519 longer allocate extra stack for function calls.
8521 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8523 * config/c4x/c4x.md (*subqf3_set): Fix typo.
8525 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8527 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
8529 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8531 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8532 * aix43.h: Revert Aug 2 change.
8533 (HAS_INIT_SECTION): Define, not visible yet.
8534 (LD_INIT_SWITCH): Define, not visible yet.
8535 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8537 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
8539 * collect2.c (main): Expand ld2 size further.
8540 (export_object_lst): Cast assignment to avoid warning.
8541 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
8542 (scan_prog_file, COFF): Do not collect initialization or
8543 finalization functions generated for entire shared object if
8544 init/fini support present.
8546 2000-01-07 Nick Clifton <nickc@cygnus.com>
8548 * config/elfos.h: Tidy up formatting of marcos. Make sure
8549 that .section directives are always prefixed by a tab.
8551 * config/svr4.h: Add #include "elfos.h" and remove duplicate
8554 2000-01-07 Matt Austern <austern@sgi.com>
8556 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
8559 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
8561 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
8563 (crtbegin.o, s-crtS): Likewise.
8565 2000-01-06 Richard Henderson <rth@cygnus.com>
8567 * alpha.md (adddi_2+1): Limit offset such that it will be
8568 loadable with a single ldah+lda pair.
8569 (adddi_2+2): Explicitly fail split if we can't make it work.
8571 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
8573 * protoize.c: Conditionally include unistd.h.
8574 (IS_SAME_PATH_CHAR): New macro.
8575 (IS_SAME_PATH): New macro.
8576 (CPLUS_FILE_SUFFIX): New macro.
8577 (cplus_suffix): New static variable.
8578 (is_abspath): New static function.
8579 (in_system_include_dir): Handle DOS style pathnames.
8580 (file_could_be_converted): Likewise.
8581 (file_normally_convertible): Likewise.
8582 (directory_specified_p): Likewise.
8583 (file_excluded_p): Likewise.
8584 (abspath): Likewise.
8585 (shortpath): Likewise.
8586 (referenced_file_is_newer): Likewise.
8587 (save_def_or_dec): Likewise.
8588 (do_processing): Likewise.
8590 (edit_file): Likewise. Use rename instead of link.
8591 (rename_c_file): Likewise. Don't rename syscalls file.
8592 (munge_compile_params): Define null device for DOS based systems.
8593 (process_aux_info_file): Use binary mode if appliable.
8594 (edit_file): Likewise.
8595 * invoke.texi (Running Protoize): Document C++ suffixes used.
8597 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
8598 IS_DIR_SEPARATOR macros.
8599 * collect2.c: Likewise.
8600 * cppinit.c: Likewise.
8601 * dwarf2out.c: Likewise.
8604 * prefix.c: Likewise.
8606 * toplev.c: Likewise.
8607 * system.h: And move to here.
8609 * prefix.c (update_path): Fix typo in variable name.
8611 2000-01-06 Richard Henderson <rth@cygnus.com>
8613 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
8614 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
8615 (count_reg_sets_1, count_reg_references): Likewise.
8616 (flow_loops_level_compute): Start counting actual loop depth at 1.
8617 (flow_loops_find): Likewise.
8618 * local-alloc.c (update_equiv_regs): Likewise.
8619 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
8621 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
8623 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
8624 FIRST_PSEUDO_REGISTER
8625 * dwarf2out.c: Don't include frame.h
8626 * dwarfout.c: Likewise
8627 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
8630 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
8632 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8635 * i386.c (movsf splitter): Fix typo in my last checkin.
8637 2000-01-05 Nick Clifton <nickc@cygnus.com>
8639 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
8640 own definition of this macro.
8641 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
8642 flag_data_sections or UNIQUE_SECTION_P are true.
8644 * tm.texi (UNIQUE_SECTION): Document that it can be called for
8645 unitialised data decls.
8647 * config/i386/winnt.c (i386_pe_unique_section): Cope with
8648 being called for uninitialised data.
8650 * config/i386/interix.c (i386_pe_unique_section): Cope with
8651 being called for uninitialised data.
8653 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
8654 for uninitialised data.
8656 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
8657 for uninitialised data.
8659 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
8660 for uninitialised data.
8662 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
8663 (UNIQUE_SECTION_P): Always generate a unique section if
8664 flag_data_sections is true.
8665 (UNIQUE_SECTION): Also generate unique sections for
8667 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
8668 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
8671 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8673 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
8676 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8678 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
8679 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
8680 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
8681 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
8682 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
8684 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
8686 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
8688 * c-decl.c (finish_enum): Simplify code to determine minimum and
8689 maximum values of the enum, and calculate the type. Remove check
8690 for FUNCTION_DECLs in the values list, which cannot happen. Replace
8691 the DECL_INITIAL of each enumeration constant with a copy converted
8692 to the enumeration type. When updating variant types, don't bother
8693 updating the type itself.
8695 * c-typeck.c (build_binary_op): Simplify conditional expressions
8696 when weeding out spurious signed-unsigned warnings. Add new
8697 spurious warning category: if the unsigned quantity is an enum
8698 and its maximum value fits in signed_type(result_type). Update
8700 (build_conditional_expr): Warn here if one alternative is signed
8701 and the other is unsigned.
8703 2000-01-05 Nick Clifton <nickc@cygnus.com>
8705 * config/fr30/fr30.h: Remove extraneous comments.
8707 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
8709 * reload1.c (choose_reload_regs): When disabling a reload, also
8710 set reload_spill_index to -1.
8712 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8714 * configure.in (m68*-*-rtemscoff*): New target, formal name for
8716 (m68*-*-rtemself*): New target.
8717 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
8718 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
8719 (sparc*-*-rtemself*): New target.
8720 (sparc*-*-rtems*): Now elf not a.out.
8721 * config/i386/rtems.h: Include config/rtems.h.
8722 * config/i386/rtemself.h: Include config/rtems.h.
8723 * config/i960/rtems.h: Include config/rtems.h.
8724 * config/m68k/rtems.h: Include config/rtems.h.
8725 * config/m68k/rtemself.h: Include config/rtems.h.
8726 * config/mips/rtems64.h: Include config/rtems.h.
8727 * config/pa/rtems.h: Include config/rtems.h.
8728 * config/rs6000/rtems.h: Include config/rtems.h.
8729 * config/sh/rtems.h: Include config/rtems.h.
8730 * config/sh/rtemself.h: Include config/rtems.h.
8731 * config/sparc/rtems.h: Include config/rtems.h.
8732 * config/sparc/rtemself.h: Include config/rtems.h
8734 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
8736 * final.c (shorten_branches): Correctly compute length of
8737 asms without operands.
8739 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
8741 * configure.in: Add pj target.
8742 * configure: Regenerate.
8743 * config/pj: New directory.
8744 * config/pj/lib1funcs.S: New file.
8745 * config/pj/linux.h: New file.
8746 * config/pj/pj.c: New file.
8747 * config/pj/pj.md: New file.
8748 * config/pj/pjl.h: New file.
8749 * config/pj/t-pj: New file.
8750 * config/pj/xm-pj.h: New file
8752 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
8754 * toplev.c (rest_of_compilation): Run shorten-branches before
8757 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8759 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
8760 macros so that they're consistent with their names.
8761 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
8762 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
8764 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8766 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
8767 modified inadvertently.
8769 2000-01-04 Joel Sherrill <joel@OARcorp.com>
8771 * configure.in (v850*-*-rtems*): New target.
8772 * configure: Regenerate.
8773 * config/v850/rtems.h: New file.
8775 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
8777 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
8778 (__gthread_key_create): Likewise.
8779 (__gthread_key_dtor): Likewise.
8780 (__gthread_once): Fix logic.
8781 (__gthread_key_delete): Cast away constness.
8783 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
8784 * invoke.texi: Document.
8785 * i386/mingw32.h (CPP_SPEC): Use.
8786 (LIBGCC_SPEC): Likewise.
8787 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
8789 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8791 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
8792 (HANDLE_PRAGMA_PACK): Undefine.
8793 (SLOW_UNALIGNED_ACCESS): Define.
8795 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8797 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
8798 to default definition.
8799 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
8800 (store_fixed_bit_field): Call macro with word_mode and alignment.
8801 (extract_bit_field): Call macro with relevant mode and alignment.
8802 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
8803 to default definition.
8804 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
8806 (move_by_pieces_ninsns): Likewise.
8807 (clear_by_pieces): Likewise.
8808 (emit_push_insn): Likewise.
8809 (store_field): Call macro with relevant mode and alignment.
8810 (expand_expr): Likewise.
8811 (expand_expr_unaligned): Likewise.
8813 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8814 (SLOW_UNALIGNED_ACCESS): Define.
8815 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8816 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8817 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8818 (toc_section): Likewise and .toc pseudo-op.
8819 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8821 (TEXT_SECTION_ASM_OP): Likewise.
8822 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8825 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
8826 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
8827 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
8828 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
8829 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
8831 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
8833 * regclass.c: Revert my Jan 4 change to loop cost computation.
8835 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8837 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
8840 2000-01-04 Stan Cox <scox@cygnus.com>
8842 * haifa-sched.c (build_control_flow): Change unreachable simple
8843 loop test to check if current block has only one predecessor.
8844 (find_rgns): Initialize degree. Use dest as degree index, not src.
8846 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8848 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
8850 * calls.c (expand_call): Likewise for
8851 `old_stack_arg_under_construction'.
8853 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
8855 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
8858 * gcc.c (execute): Likewise for `ut' and `st'.
8860 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
8862 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
8864 * jump.c (jump_optimize_1): Likewise for `temp2'.
8866 * local-alloc.c (block_alloc): Likewise for `r1'.
8868 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
8870 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
8871 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
8873 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
8876 * reload.c (find_reloads): Likewise for `goal_alternative_number'
8877 and `goal_earlyclobber'.
8879 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
8881 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
8883 * stupid.c (stupid_life_analysis): Likewise for `chain'.
8885 * unroll.c (copy_loop_body): Likewise for `copy'.
8887 * varasm.c (output_constructor): Likewise for `byte'.
8889 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8891 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
8892 all FP constants for constant->reg moves.
8893 (ix86_split_to_parts): Try to convert memory address into immediate
8894 when available in the constant pool.
8895 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
8897 (LEGITIMATE_CONSTANT_P): Return 1.
8898 * i386.md (pushsf): New splitter to convert constant pool memory
8899 reference to immediate.
8900 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
8903 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
8905 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
8906 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
8907 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
8908 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
8909 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
8911 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
8913 * ginclude/stdbool.h: Support compilation as C++.
8915 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8917 * fold-const.c (make_range): Don't try to reverse an unbounded range.
8919 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
8921 * regclass.c (regclass): Properly compute loop_cost. Adjust
8924 * regclass.c: Fix minor whitespace problems.
8926 2000-01-03 Anthony Green <green@cygnus.com>
8928 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
8929 Restore the pic register if required.
8931 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
8933 * c-common.c (format_char_info): Update comment.
8934 (check_format_info): Recognize 'z' modifier in the same way 'Z'
8935 was recognized. Emit warning for formats new in ISO C99 only
8936 if flag_isoc9x is not set.
8938 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
8940 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
8942 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8944 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
8945 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
8946 (make_compound_operation): Choose cheaper alternative between
8947 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
8949 * regclass.c (op_costs): Remove global variable.
8950 (record_reg_classes): New parameter "op_costs" and "reg_pref".
8951 (record_operand_costs): Break out from ...
8952 (scan_one_insn): ... here.
8953 (dump_regclass): Make dumps nicer.
8954 (regclass): Dump preferrences choosed and changes done during passes.
8956 2000-01-03 Jakub Jelinek <jakub@redhat.com>
8958 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
8960 2000-01-03 Jakub Jelinek <jakub@redhat.com>
8962 * config/sparc/sparc.c (gen_df_reg): New function.
8963 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
8964 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
8965 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
8966 movtf_cc_reg_sp64+1): Use it.
8968 2000-01-02 Mark Mitchell <mark@codesourcery.com>
8970 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
8973 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
8975 * config/i386/i386.c (ix86_expand_unary_operator): Function
8976 definition made void.
8977 (ix86_expand_binary_operator): Update outdated preceding comment.
8978 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
8981 * config/i386/i386.c (override_options): Fix option-name typo.
8983 2000-01-02 Mark Mitchell <mark@codesourcery.com>
8985 * system.h (CEIL): Define.
8986 * builtins.c (CEIL): Remove.
8987 * expmed.c (CEIL): Likewise.
8988 * expr.c (CEIL): Likewise.
8989 * stor-layout.c (CEIL): Likewise.
8991 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8993 * expr.c (store_constructor_field): Fix typo introduced with last
8996 2000-01-01 Mark Mitchell <mark@codesourcery.com>
8998 * tree.h (BINFO_N_BASETYPES): New macro.
9000 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
9002 * expmed.c (emit_store_flag): Prevent losing a pending stack
9003 adjust the same way we prevent losing queued increments.
9005 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9007 * function.c (update_temp_slot_address): Handle case where sum of
9008 temporary address plus offset in register is a valid address.
9010 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9012 * genrecog.c (change_state) Corrected typo.
9014 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9016 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
9017 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
9018 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
9020 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
9022 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
9023 case, expand GT comparisons correctly. Fix a comment before this
9026 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
9028 * dwarfout.c: Include "frame.h"
9029 * dwarf2out.c: Likewise.
9030 * Makefile.in (dwarfout.o): Depend on frame.h
9031 (dwarf2out.o): Likewise.
9033 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
9035 Restore i386 binary compatibility in Dwarf EH info.
9036 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
9037 value of FIRST_PSEUDO_REGISTER.
9038 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
9039 (struct frame_state): Use DWARF_FRAME_REGISTERS.
9040 * dwarfout.c (output_reg_number): Ditto.
9041 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
9042 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
9044 1999-12-29 Bruce Korb <autogen@linuxbox.com>
9046 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
9047 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
9048 (<hack>_RE_CT): not needed
9049 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
9050 rewritten to scan the file text once only
9051 "template<..." test added
9052 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
9053 (is_cxx_header): declaration added
9054 * fixinc/fixtests.c(is_cxx_header): removed
9055 (apply_fix_p_t): removed
9056 (double_slash_test): is_cxx_header is only called once now
9057 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
9058 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
9059 within the templates.
9060 The borken spelling of "broken" was fixed.
9061 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
9062 The default level depends on FIXINC_DEBUG.
9064 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9066 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
9067 Otherwise provide a declaration for atexit.
9068 (init_dummy): Make sure dummy call to atexit is nevertheless
9069 called with correct number of args.
9071 * frame.c: Update comments referring to other files.
9073 * libgcc2.c: Likewise.
9075 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9077 * cse.c (free_element, get_element): Remove unused prototypes.
9079 * fold-const.c (extract_muldiv): Initialize variables `op0' and
9082 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
9085 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
9087 * configure.in,configure: case arm for mn10200-*-* now sets
9088 float_format=i32 so that float.h will correctly claim "double"
9089 to be 32 bits. Ran autoconf to generate configure from .in file.
9091 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
9093 * pa.md (conditional zero): If op1 is a register, force it into
9094 the same register as op0.
9096 1999-12-28 Mark Mitchell <mark@codesourcery.com>
9098 * tree.h (BINFO_BASETYPES): Improve documentation.
9100 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9102 * configure.in (--enable-checking): Use a more portable `for'
9105 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9107 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
9108 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
9110 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
9113 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
9114 Delete descriptions.
9116 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
9117 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
9118 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
9119 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
9120 xm-svr4.h: Remove all instances of sys_siglist handling.
9122 1999-12-27 Jakub Jelinek <jakub@redhat.com>
9124 * config/sparc/sparc.md (cmp_zero_qi,
9125 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
9126 cmp_zero_extendqidi2_andcc_set): New patterns.
9128 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
9130 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
9131 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
9132 (fpgnulib.c, xfgnulib.c): Add rules.
9133 * m68k/t-mot3300-gas: Likewise.
9135 1999-12-27 Ian Lance Taylor <ian@zembu.com>
9137 * configure.in: Avoid [[ by using test and changequote. Add
9138 changequote required by 1999-12-14 change.
9139 * configure: Rebuild.
9141 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
9143 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
9145 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
9147 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
9148 * flow.c (find_use_as_address): Likewise.
9149 * function.c (fixup_var_refs_1): Likewise.
9150 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
9151 * jump.c (invert_exp, redirect_exp): Likewise.
9152 * loop.c (replace_call_address): Likewise.
9153 (count_nonfixed_reads): Likewise.
9154 * rtlanal.c (modified_between_p): Likewise.
9155 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
9156 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
9157 * unroll.c (remap_split_bivs): Likewise.
9159 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9161 * diagnostic.c (v_message_with_decl): Use .* format specifier
9162 instead of building the format specifier width manually.
9164 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
9165 determining whether to provide a prototype. Remove the
9166 sys_siglist clause in the conditional.
9168 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9170 * fold-const.c (operand_equal_p): Use memcmp to compare string
9172 Suggested by D. J. Bernstein
9174 1999-12-17 Jakub Jelinek <jakub@redhat.com>
9176 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
9177 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
9179 * config/mips/mips.h (TARGET_64BIT): Likewise.
9180 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
9181 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
9182 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
9183 dsps. Give routines proper names if SI/DI modes are not used.
9184 * longlong.h: Use DWunion instead of DIunion.
9186 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
9188 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
9189 GC_CHECKING, GC_ALWAYS_COLLECT.
9190 * configure.in: Allow --enable-checking with an argument
9191 listing check modes to enable.
9192 * config.in, configure: Rebuilt.
9193 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
9194 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
9195 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
9196 ENABLE_GC_ALWAYS_COLLECT.
9197 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
9199 * tree.h, tree.c: Change ENABLE_CHECKING to
9200 ENABLE_TREE_CHECKING throughout.
9202 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9204 * fold-const.c (fold_truthop): Properly check for FP RHS.
9206 1999-12-24 Mark Mitchell <mark@codesourcery.com>
9208 * toplev.h (note_deferall_of_defined_inline_function): Declare.
9209 * toplev.c (note_deferral_of_defined_inline_function): New
9210 function, split out from ...
9211 (rest_of_compilation): ... here. Use it.
9213 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9215 * expr.c (store_constructor): Don't call clear_storage if size is
9218 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9220 * Makefile.in (toplev.o): Depend on loop.h.
9222 * dwarfout.c: Include tm_p.h.
9224 * emit-rtl.c (restore_emit_status): Mark parameter with
9227 * final.c (final_scan_insn): Likewise.
9229 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
9230 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
9231 flow_depth_first_order_compute, flow_loop_pre_header_find,
9232 flow_loop_tree_node_add, flow_loops_tree_build,
9233 flow_loop_level_compute, flow_loops_level_compute,
9234 flow_loop_outside_edge_p): Add prototypes.
9235 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
9237 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
9238 Mark with ATTRIBUTE_NORETURN.
9240 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
9242 * local-alloc.c (no_conflict_p): Likewise.
9244 * loop.c (insert_bct): Hide definitions of variables with hidden
9246 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
9248 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
9249 with ATTRIBUTE_UNUSED.
9250 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
9251 (reg_scan): Likewise.
9253 * reload.c (find_reloads): Remove unused variables `changed'.
9255 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
9257 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
9258 Remove unused variable `insn'.
9260 * toplev.c: Include loop.h.
9261 (report_file_and_line): Remove unnecessary prototype.
9263 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
9265 * unroll.c (biv_total_increment): Likewise.
9267 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9269 * reload1.c (emit_input_reload_insns): Restore old behaviour
9270 wrt. 'special' reloads.
9272 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
9274 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
9275 hash.h. (cse.c): Don't depend on hashtab.h.
9277 * cse.c: Don't include hashtab.h.
9278 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
9280 * ggc-simple.c: Don't include hash.h.
9282 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
9284 * dwarf2out.c (add_abstract_origin_attribute): Call
9285 gen_abstract_function on our function context.
9287 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
9289 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
9291 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9293 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
9296 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9298 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
9299 constraints to "a!r".
9301 1999-12-21 Mark Mitchell <mark@codesourcery.com>
9303 * Makefile.in (calls.o): Depend on function.h.
9304 (alias.o): Likewise.
9306 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
9308 * reload1.c (emit_reload_insns): Break out code and variables into...
9309 (input_reload_insns, other_input_address_reload_insns,
9310 other_input_reload_insns, input_address_reload_insns,
9311 inpaddr_address_reload_insns, output_reload_insns,
9312 output_address_reload_insns, outaddr_address_reload_insns,
9313 operand_reload_insns, other_operand_reload_insns,
9314 other_output_reload_insns): ... new static variables, and...
9315 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
9316 do_output_reload): ... new functions.
9318 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9320 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
9322 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9324 * md.texi: Add c4x constraints documentation.
9326 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9328 * config/i386/dgux.c (struct option): Rename to
9329 lang_independent_option.
9330 (struct m_options): Add description field.
9331 (output_options): Rename option type, add sep declaration, output
9332 ix86_cpu_string and ix86_arch_string only if set.
9333 (output_file_start): Rename option type.
9335 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
9337 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
9339 (libgcc2.a): Similarly.
9341 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
9343 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
9344 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
9345 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
9347 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
9349 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
9350 Remove redundant initialization of "frexpon" and "expon".
9352 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9354 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
9356 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
9357 (store_constructor_field, expand_expr): Pass new arg.
9359 1999-12-20 Mark Mitchell <mark@codesourcery.com>
9361 * Makefile.in (explow.o): Depend on function.h.
9363 * stor-layout.c (set_sizetype): Fix typo.
9365 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
9367 * function.c (cfun): Renamed from current_function. All users
9369 * function.h (cfun): Rename declaration as well.
9371 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
9372 to be of type regset_head, not regset. All users changed by adding
9374 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
9376 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9378 * config/c4x/rtems.h: New file.
9380 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
9382 * reload1.c (spill_failure): Take class of failed reload as argument
9383 and print it. Caller changed.
9385 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9387 * rs6000.h (SUBTARGET_DEFAULT): New macro.
9388 (TARGET_SWITCHES): Allow subtargets to default switches.
9389 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
9391 1999-12-18 Mark Mitchell <mark@codesourcery.com>
9393 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
9396 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
9398 * cccp.c (main): Define __STDC_VERSION__ as necessary.
9399 * cppinit.c (cpp_handle_option): Likewise.
9401 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
9402 determine when to define.
9404 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
9406 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
9407 cmove with mismatched test and data modes.
9409 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
9411 * c-typeck.c (c_expand_start_case): Don't warn for long switch
9414 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9416 * alias.c: Minor reformatting.
9419 * stor-layout.c: Likewise.
9420 * fold-const.c: Likewise.
9421 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
9422 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
9424 (size_int_wide): Cache nodes even if garbage collecting.
9425 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
9426 of SAVE_EXPR has no side effects.
9427 * cse.c: Move a comment.
9428 * tree.c: Minor reformatting.
9429 (int_size_in_bytes): Return -1 if constant overflows.
9431 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9433 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
9435 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
9437 * objc/objc-parse.c: Regenerate. This file must be rebuilt
9438 after any change to c-parse.in, even if objc-parse.y didn't
9441 1999-12-18 David S. Miller <davem@redhat.com>
9443 * toplev.c (rest_of_compilation): Restore BLOCK tree
9444 reconstruction and branch shortening changes lost in
9445 December 18th change.
9447 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
9449 * config/arm/linux-elf.h: Change all instances of
9450 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
9451 * config/arm/uclinux-elf.h: Likewise.
9453 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
9455 * toplev.c (notice, vmessage, v_message_with_file_and_line,
9456 v_message_with_decl, file_and_line_for_asm,
9457 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
9458 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
9459 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
9460 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
9461 pfatal_with_name, fatal_io_error, need_error_newline,
9462 last_error_function, last_error_tick, announce_function,
9463 default_print_error_function, print_error_function,
9464 report_error_function, fnotice, error_with_file_and_line,
9465 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
9466 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
9467 warning_with_decl, warning_for_asm, warning, pedwarn,
9468 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
9470 (compile_file): Use fnotice instead of notice. Adjust call.
9472 * diagnostic.c: New file.
9474 * Makefile.in (OBJS): Include diagnostic.o
9475 (diagnostic.o): Define dependence.
9477 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9479 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
9482 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9484 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
9486 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
9488 * fixtests.c (is_cxx_header): New fn, split out of
9490 (else_endif_label): Allow "#endif // comment" in C++ headers,
9491 as determined by is_cxx_header.
9492 * fixfixes.c (else_endif_label_fix): Update comment.
9493 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
9495 * genfixes: Correct double thinko in commandline parsing.
9496 * hackshell.tpl: Generate correct sh syntax for bypass
9499 * inclhack.def (all): Whenever an inserted preprocessor
9500 conditional is split over multiple lines, use double
9501 backslashes in this file so the fixed header will be readable.
9503 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
9504 and add bypass entry for correct version of this header.
9505 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
9506 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
9508 (hpux8_bogus_inlines): New fix, split from...
9509 (ultrix_atof_param) ... here.
9510 (math_expression): Add bypass entry keyed to glibc comment
9511 indicating the problem has been dealt with; disable
9512 unnecessary sed operations; update commentary.
9513 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
9514 add select and bypass entries, simplify shell operation.
9515 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
9517 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
9518 ultrix_atof_param): Add select entry.
9519 (stdio_va_list, sunos_mather_decl): Add bypass entry.
9520 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
9521 comments with the fixes they describe.
9523 * c-parse.in (string action): Do not warn about ANSI string
9524 concatenation in system headers. Affects C parser only.
9525 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
9527 1999-12-16 Jakub Jelinek <jakub@redhat.com>
9529 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
9530 compiling libgcc2 the macro depends always on arch cpp defines.
9532 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
9534 * loop.c (insert_loop_mem): Don't record MEMs from inside
9537 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
9539 * regclass.c (regclass): Do not use flowgraph when not optimizing.
9541 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
9542 notes too, create one when replacement failed, attempt to simplify
9544 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
9547 1999-12-16 Mark Mitchell <mark@codesourcery.com>
9549 * crtstuff.c (__dso_handle): Declare.
9550 (__cxa_finalize): Likewise.
9551 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
9554 * invoke.texi: Document -fuse-cxa-atexit.
9556 * tree.h (ptr_type_node): Document.
9557 (const_ptr_type_node): Likewise.
9559 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9561 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
9562 (optimize_reg_copy_2): Likewise.
9563 (optimize_reg_copy_3): Likewise.
9564 (fixup_match_2): Likewise.
9565 (regmove_optimize): Likewise.
9566 (fixup_match_1): Liekwise.
9568 * i386.md (HI to SImode promoting splitters): Rewrite.
9569 (pushsf mem peep2): New.
9570 (testhi to andhi peep2): Remove.
9571 * i386.h (x86_promote_QImode): New.
9572 (TARGET_PROMOTE_QImode): New.
9573 (PREDICATE_CODES): Add promotable_binary_operator.
9574 * i386.c (x86_promote_QImode0: New.
9575 (promotable_binary_operator): New.
9576 * i386-protos.h (promotable_binary_operator): New.
9578 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
9580 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
9582 1999-12-16 Mark Mitchell <mark@codesourcery.com>
9584 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
9585 * function.c (insert_block_after_note): Remove.
9586 (retrofit_block): Likewise.
9587 (identify_blocks): Fix indentation.
9588 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
9589 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
9590 * function.h (insert_block_after_note): Remove prototype.
9591 (retrofit_block): Likewise.
9592 * integrate.c (expand_inline_function): Don't call
9593 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
9594 just expand_start_bindings. Use the block_map to remap old
9595 NOTE_BLOCKs to new ones.
9596 (integrate_decl_tree): Keep track of remapped blocks.
9597 * integrate.h (struct inline_remap): Add block_map.
9598 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
9599 NOTE_BLOCK on the notes.
9600 (expand_start_bindings): Rename to ...
9601 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
9602 (expand_end_bindings): Set NOTE_BLOCK.
9603 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
9604 reconstruct the BLOCK tree.
9605 * tree.h (expand_start_bindings): Macroize. Call ...
9606 (expand_start_bindings_and_block): New function.
9608 1999-12-16 Jakub Jelinek <jakub@redhat.com>
9610 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
9611 to match the format.
9613 1999-12-16 David S. Miller <davem@redhat.com>
9615 * expr.c (emit_move_insn_1): Only emit clobbers if one of
9616 the outputs is a SUBREG.
9617 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
9620 * config/sparc/sparc.c (epilogue_renumber): Add default case
9623 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9625 * toplev.c (rest_of_compilation): Run branch shortening after
9628 * regclass.c (loop_depth): Remove
9629 (scan_one_insn): Do not handle LOOP_NOTE insns.
9630 (regclass): Go through basic blocks and set loop_cost
9632 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
9634 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
9636 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9638 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
9639 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
9640 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
9642 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
9644 * loop.c (insert_loop_mem): Ignore memory clobbers.
9646 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
9649 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
9651 * profile.c: Remove redundant #include "output.h".
9653 * h8300.md (HImode preinc peephole): Fix typo.
9655 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9657 * function.c (retrofit_block): Abort if we don't find a suitable insn.
9658 (insert_block_after_note): Abort if we don't have a previous block.
9659 Remove FN parameter.
9660 * function.h: Adjust.
9662 1999-12-15 Mark Mitchell <mark@codesourcery.com>
9664 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
9665 argument more than once.
9667 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9669 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
9671 1999-12-15 Jakub Jelinek <jakub@redhat.com>
9673 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
9675 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9677 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
9678 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
9679 update stack_alignment_needed.
9680 (prepare_function_start): Initialize stack_alignment_needed
9681 * function.h (struct function): Add field stack_alignment_needed.
9683 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9685 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
9686 Handle live_throughout / dead_or_set instead of live_before /
9688 (save_call_clobbered_regs): Get register livenessinformation from
9689 chain->live_throughout.
9690 (add_stored_regs): New function.
9691 (insert_restore, insert_save): Add restored / saved registers to
9693 * global.c (reg_dies): New parameter chain.
9694 (reg_becomes_live): Third parameter is regs_set now.
9695 Changed all callers.
9696 (reg_dies): New parameter chain. Changed all callers.
9697 (build_insn_chain): Set live_throughout instead of
9698 live_before / live_after.
9699 * reload.h (struct insn_chain): Replace members live_before /
9700 live_after with live_throughout / dead_or_set.
9701 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
9702 instead of live_before / live_after.
9703 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
9704 (order_regs_for_reload, find_reg, finish_spills): Likewise.
9705 (choose_reload_regs_init): Likewise.
9706 * stupid.c (current_chain, find_clobbered_regs): Delete.
9707 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
9708 instead of chain->live_before / chain->live_after.
9709 (mark_hard_ref): New function.
9710 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
9712 1999-12-15 David S. Miller <davem@redhat.com>
9714 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
9716 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9718 * flow.c (calculate_loop_depth): Make global, remove prototype,
9719 rewrite to use new loop infrastructure.
9720 (find_basic_block): Remove calculate_loop_depth call.
9721 * toplev.c (rest_of_compilation): Call find_basic_block.
9722 * output.h (calculate_loop_depth): Declare.
9724 * flow.c (dump_flow_info): Dump loop_depth.
9725 (flow_loops_nodes_find): Increase loop_depth for basic block in the
9727 (flow_loops_find): Initialize the loop_depth for each basic block.
9729 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9731 * tree.c (decl_function_context): Handle virtual functions.
9733 * tlink.c (scan_linker_output): Don't look in demangled name when
9734 looking for linker output keywords.
9736 * dwarfout.c (output_type): We can defer namespace-scope classes.
9738 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
9740 * regclass.c (record_reg_classes): Update comment for merging
9741 register class preferences in reg->reg copies. Tighten conditions
9742 for merging register class preferences in reg->reg copies.
9744 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
9746 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
9748 1999-12-14 Geoff Keating <geoffk@cygnus.com>
9750 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
9751 (INIT_SECTION_ASM_OP): Delete.
9752 (FINI_SECTION_ASM_OP): Delete.
9753 (STARTFILE_SPEC): Define to hold just crtbegin.o.
9755 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
9757 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
9758 the abstract origin wasn't emitted.
9760 * dwarf2out.c (class_scope_p): New fn.
9761 (gen_subprogram_die): Use it.
9762 (gen_variable_die): Use it. Tweak logic.
9763 (gen_struct_or_union_type_die): Check context_die to determine
9764 if we're function-local.
9765 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
9767 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9769 * loop.c (check_dbra_loop): Can't reverse a biv that has
9772 1999-12-14 Nick Clifton <nickc@cygnus.com>
9774 * config/arm/arm.c: Add support for -mcpu=arm720 command line
9777 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9779 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
9780 for givs made from biv increments.
9782 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
9784 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
9785 * alpha.c (override_options): Recognize -mcpu=ev67.
9786 * alpha.h (CPP_CPU_EV67_SPEC): New.
9787 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
9788 (EXTRA_SPECS): Update.
9790 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
9792 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
9793 appropriate for -lang-c89 and -std=*.
9794 * cppinit.c (cpp_handle_option): Likewise.
9795 (new_pending_define): New, split out from cpp_handle_option.
9796 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
9797 or enable trigraphs for -ansi/-std=*.
9799 * ginclude/stdarg.h (__va_copy): New.
9800 (va_copy): Don't define for C89.
9802 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
9804 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
9805 for long long multiply-accumulate.
9807 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9809 * regclass.c (scan_one_insn): Set loop_cost to 1 when
9810 optimizing for size.
9812 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9814 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
9815 if something changed. Back out that part of yesterday's changes.
9817 * loop.c (loop_max_reg): New static variable.
9818 (loop_optimize): Initialize it. Eliminate one unnecessary call to
9820 (scan_loop): Call reg_scan_update whenever we may have added new
9821 registers, and update loop_max_reg.
9823 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9825 * regclass.c (record_reg_classes): Do not do the copying preferrencing
9826 when source does not die.
9828 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
9830 1999-12-14 Jakub Jelinek <jakub@redhat.com>
9832 * config/sparc/linux64.h (TARGET_LIVE_G0,
9833 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
9835 * config/sparc/linux.h (TARGET_LIVE_G0,
9836 TARGET_BROKEN_SAVERESTORE): Likewise.
9837 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9838 TARGET_BROKEN_SAVERESTORE): Likewise.
9840 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
9841 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
9843 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
9844 as sparc64 block profiling register.
9845 * config/sparc/sparc.c (sparc_override_options): Allow block
9846 profiling with -m32.
9847 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
9849 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
9850 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
9851 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
9853 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
9855 * config/sparc/sparc.h: Likewise.
9856 * config/sparc/xm-sysv4-64.h: Likewise.
9857 * config/float-sparc.h: Likewise.
9858 * glimits.h: Likewise.
9859 * longlong.h: Likewise.
9861 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
9862 (ASM_IDENTIFY_GCC): Remove.
9864 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9866 * combine.c (combine_simplify_rtx): Don't make shared rtl.
9867 (simplify_logical): Likewise.
9869 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
9871 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
9872 * cppfiles.c (INO_T_EQ): Likewise.
9874 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
9876 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
9877 * i386/mingw32.h (LIB_SPEC): Likewise.
9878 (STARTFILE_SPEC): Likewise.
9879 * i386/uwin.h (LIB_SPEC): Likewise.
9880 (STARTFILE_SPEC): Likewise.
9882 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
9883 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
9885 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
9887 * combine.c (combine_simplify_rtx): Fix order of checks for
9888 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
9890 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
9892 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
9893 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
9895 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
9897 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
9899 * regclass.c (inv_reg_alloc_order): New array.
9900 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
9902 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
9903 counted_for_groups, counted_for_nongroups. Add fields rld and
9905 * reload.c (push_secondary_reload): Don't set nongroup field of
9907 (push_reload): Likewise.
9908 (find_reloads): Delete code to compute nongroup fields.
9909 * reload1.c (reload_insn_firstobj): New static variable.
9910 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
9912 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
9913 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
9914 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
9916 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
9918 (struct hard_reg_n_uses): Deleted.
9919 (potential_reload_regs): Deleted.
9920 (init_reload): Initialize spilled_pseudos and pseudos_counted.
9921 (reload): Don't try to allocate reload registers if we already know
9922 we have to make another pass. Call select_reload_regs. Free memory
9923 starting with reload_firstobj when starting another pass.
9924 Don't allocate spilled_pseudos.
9925 (calculate_needs_all_insns): Call copy_reloads for an insn that
9926 needs reloads; don't call calculate_needs.
9927 (spill_cost): New static array.
9928 (used_spill_regs_local): New static variable.
9929 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
9930 to compute potential_reload_regs.
9931 (find_reload_regs): Completely rewritten to use find_reg.
9932 (allocate_reload_reg): Don't test counted_for_groups or
9933 counted_for_nongroups. Lose NOERROR arg and code to give an error;
9935 (choose_reload_regs): Add fallback code that uses the existing
9936 register allocation from find_reload_regs.
9938 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
9940 * flow.c (create_edge_list): Cast xmalloc return value.
9942 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
9944 * doprnt.c: Remove incorrect comment closure.
9946 * cse.c: Fix a few minor whitespace goofs.
9948 1999-12-13 Don Bowman <don@pixstream.com>
9950 * mips/vxworks.h: Fix problem with comment termination.
9951 (EXTRA_SECTIONS): Add in_sbss.
9952 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
9954 1999-12-12 David S. Miller <davem@redhat.com>
9956 * cse.c (struct cse_reg_info): Add hash_next member,
9957 reorder rest of struct for better packing on 64-bit
9959 (cse_reg_info_tree): Kill.
9960 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
9961 REGHASH_FN): New custom pow2 hash mechanism.
9963 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
9964 use a pow2 hash table.
9965 (get_cse_reg_info): Rework to use new REGHASH.
9966 (new_basic_block): Likewise, use HASH_SIZE, and inline
9968 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
9969 and inline free_element call.
9970 (lookup_as_function, insert, flush_hash_table, invalidate,
9971 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
9972 invalidate_for_call, use_related_value, find_comparison_args,
9973 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
9974 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
9977 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
9979 * cse.c (cse_basic_block): Free qty_table consistently.
9981 1999-12-12 David S. Miller <davem@redhat.com>
9982 Jakub Jelinek <jakub@redhat.com>
9984 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
9985 SUBREGs by hand, gen the appropriate hard reg directly.
9986 (movtf reg/mem split): Likewise and alter_subreg on destination
9988 (movtf mem/reg split): Similarly.
9989 (movdf_cc_sp64): Rename from hidden pattern.
9990 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
9991 (movtf_cc_sp64, following split): New pattern and splitter.
9992 (movdf_cc_reg_sp64): Rename from hidden pattern.
9993 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
9995 (movtf_cc_reg_sp64, following split): New pattern and splitter.
9997 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
9999 * loop.c (load_mems): Don't hoist written floating point mem
10002 1999-12-12 Mark Mitchell <mark@codesourcery.com>
10004 * except.h (struct eh_queue): Add `next' pointer.
10005 (struct eh_status): Make x_ehqueue a pointer.
10006 (push_ehqueue): Declare.
10007 (pop_ehqueue): Likewise.
10008 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
10010 (expand_fixup_region_end): Likewise.
10011 (expand_leftover_cleanups): Likewise.
10012 (push_ehqueue): Define.
10013 (pop_ehqueue): Likewise.
10014 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
10015 than doing it inline.
10016 (expand_start_all_catch): Adjust now that ehqueue is a
10018 (mark_eh_queue): Mark all level of the queue.
10019 (mark_eh_status): Adjust now that ehqueue is a
10021 (init_eh_for_function): Allocate ehqueue.
10022 (free_eh_status): Free it.
10023 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
10024 expansion for a fixup.
10026 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10028 * gthr-single.h (__gthread_active_p): Add prototype arguments.
10030 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
10031 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
10032 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
10033 function_ptr, getpagesize, __enable_execute_stack,
10034 __enable_execute_stack, __clear_insn_cache,
10035 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
10036 _cleanup, _exit, __default_terminate, __terminate_func,
10037 __terminate, __empty, __throw, new_eh_context,
10038 eh_context_initialize, eh_context_static, eh_context_specific,
10039 get_eh_context, __get_eh_context, __get_eh_info,
10040 init_reg_size_table, eh_threads_initialize,
10041 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
10042 __unwinding_cleanup, throw_helper, __throw, __rethrow,
10043 __pure_virtual): Add prototype arguments.
10044 (__bb_exit_func): Cast a sizeof to long when comparing against one.
10045 Cast a signed value to unsigned long when comparing against one.
10046 (new_eh_context): Wrap in _GTHREADS macro.
10047 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
10049 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
10050 (throw_helper): Initialize variables `handler_p' and `pc_p'.
10052 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10054 * combine.c (record_promoted_value): Remove unused variable
10057 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
10059 * global.c (record_conflicts): Likewise for `j'.
10061 * genoutput.c (output_insn_data): Don't unnecessarily cast away
10064 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10066 * i386-protos.h (output_387_binary_op, output_fix_trunc,
10067 output_fp_compare): Constify a char*.
10069 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
10071 (override_options, ix86_comp_type_attributes, print_operand,
10072 output_387_binary_op, output_fix_trunc, output_fp_compare):
10074 (ix86_sched_reorder): Mark parameter `clock_var' with
10077 * i386.h (DEBUG_PRINT_REG): Constify a char*.
10079 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
10081 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
10082 operand, for use in the Java front-end.
10084 1999-12-10 Ben Collins <bcollins@debian.org>
10086 * configure.in: Fix typo for "-64" in 64bit as check.
10087 * configure: Rebuilt.
10089 1999-12-10 Jakub Jelinek <jakub@redhat.com>
10091 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
10094 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10096 * c-parse.in (string): With -Wtraditional, warn if ANSI string
10097 concatenation is utilized.
10099 * invoke.texi (-Wtraditional): Document it.
10101 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10103 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
10104 Cast a ptrdiff_t to long and pass it to printf with %ld.
10106 1999-12-10 Geoff Keating <geoffk@cygnus.com>
10108 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
10109 68881, we have no 68881 registers at all.
10110 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
10111 value in a 68881 register if it is available.
10113 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
10115 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
10116 for long long multiply-accumulate.
10118 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
10120 * loop.c (insert_loop_mem): Undo last change.
10122 1999-12-10 David S. Miller <davem@redhat.com>
10124 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
10126 * config/sparc/sparc-protos.h: Add them.
10127 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
10128 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
10129 constraints which use those helpers.
10130 (EXTRA_CONSTRAINT): Use this new macro.
10131 * md.texi: Update sparc target constraints documentation.
10132 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
10133 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
10134 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
10135 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
10136 (movsf high/lo_sum split): Rework for new patterns.
10137 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
10139 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
10141 * c-common.c (c_common_nodes_and_builtins):
10142 Create __builtin_ptrdiff_t and __builtin_size_t.
10144 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
10146 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
10148 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10150 * regclass.c (globalize_reg): Re-instate test that allows
10151 fixed registers to be declared as a variable even after functions
10154 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10156 * i386.md (cpu attribute): Add "athlon".
10157 (athlon_decode): New attribute.
10158 (Athlon scheduling units definitions): New.
10159 (fcmp and shld patterns): Set athlon_decode to "vector".
10160 * i386.c (athlon_cost): New.
10162 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
10163 x86_use_sahf): Set for Athlon.
10164 (x86_use_fiop): Unset for Athlon.
10165 (override_options): Define Athlon alignments and "athlon" name.
10166 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
10167 * i386.h (TARGET_ATHLON): New.
10168 (enum processor_type): Add PROCESSOR_ATHLON.
10169 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
10171 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
10173 1999-12-09 Andreas Jaeger <aj@suse.de>
10175 * loop.c (record_biv): Declare parameter as int.
10177 * config/i386/i386-protos.h: Declare long_memory_operand.
10179 1999-12-09 Mark Mitchell <mark@codesourcery.com>
10181 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
10182 EXPR_WITH_FILE_LOCATION.
10184 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10186 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
10189 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
10191 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
10194 1999-12-09 Jakub Jelinek <jakub@redhat.com>
10196 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
10197 default on linux64 again.
10198 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
10199 models for multilibing.
10200 * genmultilib: Accept | as alternative separator within a set in
10203 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
10205 * calls.c (precompute_arguments): Make sure initial_value contains
10206 value pseudo which CSE expects.
10207 * cse.c (struct set): New entry orig_src.
10208 (cse_insn): Set it early on entry, use it for libcall EQUIV note
10211 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
10213 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
10215 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
10217 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
10219 1999-12-08 Jakub Jelinek <jakub@redhat.com>
10221 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
10222 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
10224 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
10227 * longlong.h: Merge in changes from glibc.
10228 Also don't clobber %g2 register in 32bit SPARC assembly, so that
10229 -mno-app-regs libgcc can be compiled.
10230 * libgcc2.c: Add defines so that the updated longlong.h
10231 can be used in libgcc2.a. Also, make sure on most architectures
10232 (at least on all which have optimized code in longlong.h defined
10233 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
10235 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10237 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
10238 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
10239 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
10241 * configure: Rebuilt.
10243 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
10245 * alpha.c (secondary_reload_class): For !BWX, sub-simode
10246 outputs require a register.
10248 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
10250 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
10251 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
10252 functions like dptoul will be resolved.
10253 (libgcc2.a): Make sure that the object files from DPBIT are named
10254 differently (prefix `_dp') from those that would be coming from
10257 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
10259 * configure.in: When target is sparc* and tm_file contains 64,
10260 test for 64bit support in assembler. If not supported, remove
10261 sparc/t-sol2-64 from target-dependent Makefile fragments.
10262 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
10263 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
10264 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
10265 * acconfig.h (AS_SPARC64_FLAG): Added.
10266 * configure, config.in: Rebuilt.
10267 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
10268 support. Use AS_SPARC64_FLAG.
10270 1999-12-07 Jakub Jelinek <jakub@redhat.com>
10272 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
10273 suitable for holding OFmode values so that gcc works with complex
10275 (hard_64bit_mode_classes): Likewise.
10277 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
10278 so that it is actually matched.
10279 (sethi_di_medlow): Likewise.
10281 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
10282 as legitimate constant if -mvis.
10283 * config/sparc/sparc.md (movtf): Likewise.
10284 (clear_sf): Use const_double_operand.
10285 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
10287 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
10288 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
10289 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
10290 routines, _Qp_* cannot be handled like that now.
10291 (INIT_TARGET_OPTABS): Likewise.
10292 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
10293 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
10294 sparc_emit_float_lib_cmp if ARCH64 and soft float.
10295 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
10296 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
10297 divtf3, sqrttf3): New expanders.
10298 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
10299 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
10300 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
10303 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
10304 * configure: Rebuilt.
10305 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
10306 -mcpu is given and we're doing 64bit compiles.
10308 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
10310 * loop.h (struct induction): Add multi_insn_incr.
10311 * loop.c (basic_induction_var): New multi_insn_incr argument.
10312 Set it if we search back through previous insns for the biv.
10313 (record_biv): New multi_insn_incr argument; fill in struct induction.
10314 (strength_reduce): Discard an iv with multiple bivs, any of
10315 which require multiple insns to increment.
10317 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10319 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
10322 1999-12-06 David S. Miller <davem@redhat.com>
10324 * combine.c (check_promoted_subreg): Do not conditionalize this upon
10325 PROMOTE_FUNCTION_RETURN.
10327 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
10329 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
10330 and handle REG_UNUSED note on insn.
10332 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
10333 inner_mask instead of mask.
10335 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
10337 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
10338 zero if there was an error.
10340 1999-12-06 Jakub Jelinek <jakub@redhat.com>
10342 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
10345 * longlong.h: Fix clobbers in SPARC asm statements.
10347 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
10348 valid sethi operations when TARGET_ARCH64.
10350 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
10351 always use move_by_pieces to avoid infinite recursion.
10352 (restore_fixed_argument_area): Likewise.
10354 * combine.c (check_promoted_subreg, record_promoted_value): New
10356 (combine_instructions): Use them to retain nonzero and sign bit
10357 information after SUBREGs are eliminated by optimizations in
10358 this pass if PROMOTE_FUNCTION_RETURN.
10360 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
10361 .register declaration. Don't use variables with __ prefixes.
10363 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10365 * fold-const.c (optimize_bit_field_compare): Only use one mode
10366 for both RHS and LHS in non-constant case.
10368 1999-12-06 Nathan Sidwell <nathan@acm.org>
10370 * frame.c (start_fde_sort): Only allocate erratic array, if
10371 linear one was allocated. Return allocated flag.
10372 (fde_insert): Only insert, if there's a valid array.
10373 (fde_end_sort): Split, sort and merge if linear and erratic
10374 arrays exist, else just sort linear one.
10375 (search_fdes): New function. Linear search through original fde
10377 (frame_init): Permit multiple initializations. Cope with
10379 (find_fde): Fallback on linear search, if failed to sort array.
10380 (__deregister_frame_info): Only free sorted array, if we
10383 1999-12-06 Jakub Jelinek <jakub@redhat.com>
10385 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
10387 1999-12-05 Jakub Jelinek <jakub@redhat.com>
10389 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
10391 1999-12-05 Mark Mitchell <mark@codesourcery.com>
10393 * tree.h (special_function_p): Declare.
10394 * calls.c (special_function_p): Make it global. Don't take `name'
10395 as a parameter. Fix typo in 1999-11-28 change.
10396 (expand_cal): Adjust.
10398 1999-12-04 Mark Mitchell <mark@codesourcery.com>
10400 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
10401 * tree.h (EXPR_WFL_FILENAME): Define in terms of
10402 EXPR_WFL_FILENAME_NODE.
10403 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
10405 * print-tree.c (print_note): Print TREE_PRIVATE and
10408 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
10409 the original die cannot be found.
10411 * varray.h (varray_head_tag): Add elements_used.
10412 (VARRAY_PUSH): New macro.
10413 (VARRAY_POP): Likewise.
10414 (VARRAY_TOP): Likewise.
10415 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
10417 * varray.c (varray_init): Initialize elements_used.
10418 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
10419 (INTEGRATE_H): New variable.
10420 (integrate.o): Depend on INTEGRATE_H.
10421 (unroll.o): Likewise.
10423 * function.h (insert_block_after_note): Declare.
10424 * function.c (insert_block_after_note): Split out from ...
10425 (retrofit_block): ... here.
10427 * stmt.c (expand_fixup): Fix typo in comment.
10429 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10431 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
10432 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
10433 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
10434 (regmove_optimize, fixup_match_1): Likewise.
10436 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10438 * flow.c (flow_loops_dump): Add missing argument when calling
10439 flow_loop_nested_p.
10441 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
10442 Greg McGary <gkm@gnu.org>
10444 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
10445 (init_attributes): Add A_NO_LIMIT_STACK.
10446 (decl_attributes): Handle A_NO_LIMIT_STACK.
10447 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
10448 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
10449 Handle stack bounds checking.
10450 * flags.h (flag_stack_check): Use the word 'probe' rather than
10451 'check', because the flag doesn't actually cause any checking to
10453 * function.c (expand_function_start): Set
10454 current_function_limit_stack.
10455 * function.h (struct function): Add limit_stack.
10456 (current_function_limit_stack): Define.
10457 * invoke.texi (Code Gen Options): Document new options.
10458 * rtl.h: Declare stack_limit_rtx.
10459 * toplev.c (stack_limit_rtx): New variable.
10460 (decode_f_option): Handle new options -fstack-limit-register=REG,
10461 -fstack-limit-symbol=IDENT, -fno-stack-limit.
10462 (main): Add stack_limit_rtx as GC root.
10463 * tree.h (DECL_NO_LIMIT_STACK): New macro.
10464 (struct tree_decl): New member no_limit_stack.
10466 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
10468 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
10469 (conditional_trap+1): Get new mnemonic correct.
10470 (conditional_trap+2): New pattern for DImode traps.
10472 * config/m68k/m68k.c (output_function_prologue): Handle
10474 * config/m68k/m68k.md (trap): New insn.
10475 (conditional_trap): New insn.
10476 * md.texi (Standard Names): Document `trap' and
10477 `conditional_trap'.
10478 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
10479 so a cc0 setter doesn't get emitted at some random place in the
10482 * config/i960/i960.md (trap): New insn.
10483 (conditional_trap): New expander.
10484 (conditional_trap+1, conditional_trap+2): New insns for signed
10485 and unsigned cases.
10486 * config/i960/i960.c (i960_function_prologue): Use
10487 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
10489 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
10490 Geoffrey Keating <geoffk@cygnus.com>
10492 * flags.h (warn_padded, warn_packed): Add global var decls.
10493 * toplev.c (warn_padded, warn_packed): Add global var defns.
10494 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
10495 * stor-layout.c (layout_record): Add local variable `type'
10496 to hold often-used TREE_TYPE (field). Add local variable
10497 `unpacked_align' to hold alignment that would be in force
10498 if no `packed' attribute were present. Warn if `packed' attribute
10499 is unnecessary, or even harmful. Warn when gcc inserts padding
10500 to satisfy alignment requirements of members. Use NULL_TREE
10501 when checking whether var_size is set.
10502 * invoke.texi: Document new flags.
10504 1999-12-03 Nathan Sidwell <nathan@acm.org>
10506 * frame.c (fde_split): Reimplement to avoid variable sized array.
10508 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10510 * combine.c (try_combine): Before fixing up LOG_LINKS for the
10511 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
10513 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
10515 * invoke.texi: Document the mips option -mno-crt0
10517 1999-12-02 Mike Karr <mkarr@mathworks.com>
10519 * cccp.c (argdata): Added free_ptr member.
10520 (macroexpand): Initialize free_ptr of each argument. When an
10521 argument's buffers are freed, if the argument's free_ptr corresponds
10522 to a buffer on the input stack, then return the free_ptr to that stack
10523 frame, otherwise, free it.
10524 (macarg): If an argument begins and ends on the same input stack level,
10525 then transfer the free_ptr of that buffer to the argument in case
10526 the stack is popped during the processing of a subsequent argument.
10528 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
10530 * loop.c (note_reg_stored): New function.
10531 (struct note_reg_stored_arg): New structure.
10532 (try_copy_prop): Change to be more conservative; only replace within
10533 one extended basic block and stop replacing if a store to the
10534 replacement reg is seen.
10536 1999-12-02 Nick Clifton <nickc@cygnus.com>
10538 * config/fp-bit.c: Initialise all fields of the NAN
10541 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
10544 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
10546 * i386.md (extend?f?f2): Force the input into a register, not
10549 1999-12-01 Jakub Jelinek <jakub@redhat.com>
10551 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
10553 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
10554 alternative because setting up 64bit constant is usually costly,
10555 especially when reload is in progress or completed.
10556 (movdf_const_intreg_sp64): Likewise.
10557 (movdf_const_intreg split): Fix building up constants when
10558 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
10560 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
10562 * combine.c (if_then_else_cond): Use const_true_rtx instead of
10563 const1_rtx for return values in EQ/NE comparison against (const_int 0)
10566 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
10567 (asm_file_start): Emit .am33 into assembly file when compiling for
10569 (print_operand_address): Handle POST_INC addresses.
10570 (can_use_return_insn, initial_offset): Check AM33 registers too.
10571 (expand_prologue): Check & save AM33 registers too.
10572 (expand_epilogue): Similarly.
10573 (secondary_reload_class): Handle AM33 specific secondary reloads.
10574 (output_tst): Emit efficient code for the AM33 too.
10575 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
10576 (TARGET_SWITCHES): Add -mam33 switch.
10577 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
10578 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
10579 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
10580 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
10581 (enum reg_class, REG_CLASS_NAMES): Likewise.
10582 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
10583 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
10584 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
10585 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
10586 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
10587 (HAVE_POST_INCREMENT): Define.
10588 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
10589 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
10590 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
10591 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
10592 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
10593 (zero_extend to SI from QI/HI): Likewise.
10594 (sign_extend to SI from QI/HI): Likewise.
10595 (mulsidi3, umulsidi3): New patterns for the AM33.
10596 (tstsi with zero extension from QI/HI): Add AM33 variants.
10597 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
10598 (return_internal_regs, store_movm): Handle new AM33 registers.
10599 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
10600 (LIBGCC, INSTALL_LIBGCC): Likewise.
10601 * invoke.texi: Document new flags.
10603 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10605 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
10606 (addsi3_carry): Likewise.
10607 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
10608 (sbbsi3_carry): Likewise.
10609 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
10610 (mulhi3): Likewise.
10611 (test?i_1): Ensure that only one operand is memory.
10612 (conditional move patterns): likewise.
10613 (shift and rotate patterns): Rewrite to expander, add
10614 "binary_operator_ok" to the condition.
10616 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
10617 * i386.h (procesor_costs): Add movzbl_load field.
10618 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
10619 non-Q registers, accept DImode registers anywhere.
10621 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
10622 * i386.c (*_cost): Set value for movxbl_load field.
10624 * (addsi): New add to lea splitter.
10625 (ashlsi): Likewise.
10626 (lea to add/shift peep2): New.
10628 1999-12-01 Mark Salter <msalter@cygnus.com>
10630 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
10631 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
10632 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
10634 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10636 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
10637 * i386.md (movsi_xor): New.
10639 (movsi_1, movhi_1, movqi_1): Remove.
10640 (movsi_2): Rename to movsi_1.
10641 (movhi_2): Rename to movhi_1.
10642 (movqi_2): Rename to movqi_1.
10643 (movdi_1): Remove; remove splitter.
10644 (movdi_2): Rename to movdi_1.
10645 (divmodsi4 splitter): Do not emit clobbers for move patterns.
10646 (long move peep2): Do not create QI or HI mode mov0s
10647 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
10649 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
10652 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
10653 (abs?f2_if): Likewise.
10655 1999-11-30 Alex Samuel <samuel@codesourcery.com>
10657 * ggc.h (ggc_test_and_set_mark): New macro.
10658 (ggc_mark_rtx): Use ggc_test_and_set_mark.
10659 (ggc_mark_tree): Likewise.
10660 (ggc_mark_rtvec): Likewise.
10661 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
10663 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
10665 * dwarf2out.c (scope_die_for): Only handle types. Only search for
10667 (decl_scope_table): Just an array of trees now.
10668 (push_decl_scope): Simplify.
10669 (dwarf2out_init): Adjust.
10670 (local_scope_p): New fn.
10671 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
10672 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
10673 (gen_typedef_die): Likewise.
10674 (gen_lexical_block_die): Don't call push/pop_decl_scope.
10675 (gen_inlined_subroutine_die): Likewise.
10676 (gen_abstract_function): Set current_function_decl temporarily.
10677 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
10678 Handle block extern declarations. Don't call push/pop_decl_scope.
10679 (gen_decl_die): Fix logic for block externs.
10681 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10683 * calls.c (special_function_p): Remove `realloc' and add `strdup'
10684 to the list of functions which have attribute malloc by default.
10686 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10688 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
10689 integer constant does not match the traditional type, limit the
10690 warnings to cases where the base of the type is ten.
10692 * invoke.texi (-Wtraditional): Document it.
10694 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10696 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
10697 * rs6000.md: Only access a CONST_INT with INTVAL
10699 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
10701 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
10702 (compute_nearerout): Likewise.
10703 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
10704 size_t to unsigned long for formatting.
10706 1999-11-30 Jakub Jelinek <jakub@redhat.com>
10708 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
10709 Allow the user to override call-used/fixed state of %g2-5
10710 registers from the command line (with the exception of %g4 for
10712 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
10713 there is a higher chance of having a leaf function.
10714 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
10715 for ARCH64 which has %ccr register.
10716 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
10718 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
10719 insn accept into delay slot any insn which does not use %[ol]
10720 registers. Accept some LO_SUM and shift left by 1 for the normal
10722 (output_function_epilogue): Likewise.
10723 (epilogue_renumber): Added argument which inhibits any renumbering
10724 and just tests if the rtx does not use any %[ol] registers.
10725 (output_return): Reflect above change.
10727 1999-11-30 Jakub Jelinek <jakub@redhat.com>
10729 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
10730 aggregate passing for sizes <= 16 bytes.
10732 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
10734 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
10735 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
10736 * reload.c (find_dummy_reload): Likewise.
10737 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
10738 * reload1.c (reload_as_needed): Likewise.
10739 * stupid.c (stupid_find_reg): Likewise.
10740 * tm.texi (Obsolete Register Macros): Delete section.
10741 * gmicro.h: Remove all traces of the two macros.
10742 * i386.h: Likewise.
10743 * m88k.h: Likewise.
10744 * mips.h: Likewise.
10746 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
10748 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
10749 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
10750 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
10751 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
10752 units for the sparclite86x chip.
10753 (flush): Revert October 14th change; add SImode specifically.
10754 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
10755 * invoke.texi: Document it.
10757 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
10759 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
10760 psimode_truncation_operand.
10762 * config/mn10200/mn10200.c (psimode_truncation_operand): New
10763 function. Return true if the operand is either a MEM valid
10764 for a PSImode address or not a MEM at all.
10766 * config/mn10200/mn10200.md (truncsipsi2): Use
10767 psimode_truncation_operand.
10769 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10771 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
10772 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
10773 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
10774 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
10775 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
10776 (flow_loop_level_compute, low_loops_level_compute): Likewise.
10777 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
10778 * basic-block.h: Protect from multiple inclusion.
10779 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
10780 (struct loops, struct loop): Define structures.
10781 * sbitmap.c (sbitmap_a_subset_b_p): New function.
10782 * sbitmap.h: Protect from multiple inclusion.
10783 (sbitmap_a_subset_b_p): Add prototype.
10784 * Makefile.in (LOOP_H): New macro.
10785 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
10787 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
10789 * cppinit.c (CAT): The argument list of this macro may not contain
10792 1999-11-29 David S. Miller <davem@redhat.com>
10794 Move quantity tables and register equivalence chains into
10795 per-qty and per-register structure arrays respectively.
10796 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
10797 qty_const_insn, qty_comparison_code, qty_comparison_const,
10798 qty_comparison_qty): Delete, replace with...
10799 (qty_table): this structure table.
10800 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
10801 (reg_eqv_table): this structure table.
10802 (make_new_qty): Add argument MODE. Caller updated.
10803 Update to use qty_table and reg_eqv_table.
10804 (make_regs_eqv, delete_reg_equiv, insert_regs,
10805 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
10806 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
10807 cse_process_notes, cse_main, cse_basic_block): Likewise.
10809 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10811 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
10812 operation if C is negative.
10813 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
10814 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
10815 law for some divisions if constant is negative and change other
10816 divisions to the opposite rounding.
10818 * expr.c (store_constructor_field): If bit position is not multiple
10819 of alignment of TARGET's mode, use BLKmode.
10821 * expr.c (expand_expr_unaligned): Add more code from full case
10822 that is needed when OP0 is in a register.
10824 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10826 * dwarfout.c (field_byte_offset): Size can be zero if there was
10829 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
10831 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
10832 (associate_trees): Delete unused var TEM.
10833 (extract_muldiv): Delete unused var CANCEL_P.
10835 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
10836 (target_isinf, target_isnan, target_negative): Add return types to
10837 function definitions.
10839 1999-11-29 Bruce Korb <autogen@linuxbox.com>
10841 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
10842 * fixinc/hackshell.tpl: ditto
10843 * fixinc/fixtests.c(double_slash_test): more C++ header testing
10844 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
10846 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
10848 * reload.c (push_reload): When looking for a register to put into
10849 reg_rtx, make sure all hard regs in a multi-reg register are in the
10850 right class and nonfixed.
10852 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
10853 pending_read_insns, pending_write_insns, pending_read_mems,
10854 pending_write_mems, pending_list_length, last_pending_memory_flush,
10855 last_function_call, sched_before_next_call): Move static variables
10857 (bb_ prefixed versions): Replace with single array bb_deps.
10858 (struct deps): New structure.
10859 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
10860 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
10861 argument of type "struct deps *"; use that instead of global
10862 variables. All callers changed.
10863 (init_rgn_data_dependencies): Delete function.
10864 (init_rtx_vector): Delete function.
10865 (init_deps): New function.
10867 (free_pending_lists): Simplify, we always use the bb_deps array even
10868 if only one basic block.
10869 (compute_block_backward_dependences): Likewise.
10870 (schedule_region): Likewise.
10872 (propagate_deps): New function, broken out of
10873 compute_block_backward_dependences.
10874 (compute_block_backward_dependences): Use it.
10876 * alpha.md: Delete useless patterns that tried to work around
10877 register elimination problems.
10879 * unroll.c (loop_iterations): Don't abort if iteration variable
10882 From Joern Rennecke:
10883 * reload1.c (reloads_conflict): Reverse test comparing operand
10884 numbers when testing for conflict between output/outaddr reloads.
10886 1999-11-29 David S. Miller <davem@redhat.com>
10888 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
10890 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
10892 1999-11-28 Robert Lipe <robertl@cygnus.com>
10894 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
10895 table from .fini into .dtor.
10897 1999-11-28 Anthony Green <green@cygnus.com>
10899 * tree.h (struct tree_decl): Add malloc_flag.
10900 (DECL_IS_MALLOC): Define.
10901 * c-common.c (attrs): Add A_MALLOC attribute.
10902 (init_attributes): Add this attribute to the table.
10903 (decl_attributes): Handle malloc attribute.
10904 * calls.c (special_function_p): Check for the malloc attribute.
10905 * extend.texi (Function Attributes): Document malloc attribute.
10907 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
10909 * pa.md (reload shift-add patterns): Remove.
10911 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10913 * reorg.c (dbr_schedule) Print more statistics. Corrected
10914 problem when printing info when 3 delay slots are filled.
10916 1999-11-28 Jakub Jelinek <jakub@redhat.com>
10918 * combine.c (setup_incoming_promotions): Pass an outgoing
10919 regno to FUNCTION_ARG_REGNO_P which it expects.
10921 1999-11-28 Andreas Jaeger <aj@suse.de>
10923 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
10925 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
10927 * cccp.c (do_include): Avoid initialization of automatic variable.
10929 * integrate.c (mark_stores): Function definition made void, to match
10930 previous declaration.
10931 * regclass.c (dump_regclass): Ditto.
10932 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
10934 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10936 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
10937 known to be multiple of divisor.
10939 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
10941 * combine.c (try_combine): Add code to try to merge a set of a
10942 two-word pseudo to a constant with a setting of one of those words
10945 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
10946 (split_tree): Completely rework to make more general.
10947 (make_range, fold): Call negate_expr.
10948 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
10949 (fold, associate): Call new split_tree and associate_trees.
10950 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
10952 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
10954 * loop.c (try_copy_prop): Avoid GNU C extension.
10956 1999-11-25 Mark Mitchell <mark@codesourcery.com>
10958 * except.c (init_eh_for_function): Still zero eh_return_context,
10959 eh_return_stack_adjust, and eh_return_handler.
10961 * except.h (eh_status): Adjust documentation for x_protect_list.
10962 (begin_protect_partials): New function.
10963 * except.c (enqueue_eh_entry): Fix formatting.
10964 (get_first_handler): Add consistency check.
10965 (add_partial_entry): Adjust usage of protect_list.
10966 (emit_cleanup_handler): Save and restore ehqueue.
10967 (expand_start_all_catch): Add comment.
10968 (begin_protect_partials): New function.
10969 (end_protect_partials): Adjust usage of protect_list.
10970 (init_eh_for_function): Use xcalloc.
10972 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10974 * c-common.c (check_format_info): Don't call a variadic function
10975 with a non-literal format string.
10977 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
10979 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
10980 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
10983 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
10986 * collect2.c (collect_wait): Likewise.
10988 * dbxout.c (dbxout_type): Likewise.
10990 * gcc.c (do_spec_1): Likewise.
10992 * genemit.c (gen_insn, gen_expand): Likewise.
10994 * genrecog.c (write_switch, write_subroutine): Likewise.
10996 * mips-tfile.c (catch_signal, botch): Likewise.
10998 * print-rtl.c (print_rtx): Likewise.
11000 * toplev.c (default_print_error_function, report_error_function,
11001 _fatal_insn): Likewise.
11003 1999-11-25 Mark Mitchell <mark@codesourcery.com>
11005 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
11007 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11009 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
11010 operations when needed.
11011 * i386.md (fop_?f_comm): New.
11012 (fop_?f_1): Do not accept commutative operands.
11014 1999-11-25 Andreas Jaeger <aj@suse.de>
11016 * config/mips/mips.md (casesi_internal): Add missing brace.
11018 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
11020 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
11021 (splice_child_die): Handle moving a child DIE from the declaration
11022 DIE of a class to its specification.
11023 (gen_struct_or_union_type_die): Use 'complete' consistently.
11024 (gen_decl_die): Generate the virtual context DIE first.
11025 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
11027 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
11029 * config/mips/mips.md (call_value_multiple_interanal1): New.
11031 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
11033 * dwarf2out.c (free_AT, free_die): New fns.
11034 (remove_children): Call them.
11035 (output_line_info): Disable removal of duplicate notes.
11037 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
11038 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
11039 means pretend the type isn't defined.
11040 Don't defer emitting types.
11041 (gen_type_die_for_member): New fn.
11042 (gen_decl_die): Call it.
11043 (splice_child_die): New fn.
11044 (gen_member_die): Call it rather than generate duplicate dies.
11046 Defer emitting information for the abstract instance of an inline
11047 until we either inline it or emit an out-of-line copy.
11048 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
11049 from output_inline_function if DECL_ABSTRACT is also set.
11050 (block_ultimate_origin): Likewise.
11051 (gen_abstract_function): New fn.
11052 (gen_decl_die, gen_inlined_subroutine_die): Call it.
11053 (gen_subprogram_die): An abstract instance is not a declaration
11054 just because it doesn't match current_function_decl. Don't abort
11055 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
11056 has an abstract origin.
11057 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
11058 abstract instance here.
11060 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
11062 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
11063 where we need to reload fpul from a system register.
11065 1999-11-24 Andreas Jaeger <aj@suse.de>
11067 * config/mips/linux.h (CPP_PREDEFINES): Added.
11068 (LINK_SPEC): Remove -Y since this is only needed on sparc.
11070 1999-11-24 Andreas Jaeger <aj@suse.de>
11072 * config/mips/linux.h (TARGET_VERSION): Added.
11073 (HANDLE_SYSV_PRAGMA): Added.
11074 (DEFAULT_VTABLE_THUNKS): Added.
11076 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11078 * local-alloc.c (qty): New structure and static variable.
11079 (qty_phys_reg): Remove, all references changed to qty.
11080 (qty_n_refs): Likewise.
11081 (qty_min_class): Likewise.
11082 (qty_birth): Likewise.
11083 (qty_death): Likewise.
11084 (qty_size): Likewise.
11085 (qty_mode): Likewise.
11086 (qty_n_calls_crossed): Likewise.
11087 (qty_alternate_class): Likewise.
11088 (qty_changes_size): Likewise.
11089 (qty_first_reg): Likewise.
11090 (alloc_qty): Rename variable QTY to QTYNO.
11091 (finf_free_reg): Likewise.
11092 (local_alloc): Allocate qty, do not allocate the removed variables.
11094 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
11096 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
11097 when -membedded-pic is passed.
11099 * config/mips/mips.md (casesi): Handle 64-bit case too.
11100 (casesi_internal_di): New insn.
11102 * config/mips/mips.c (embedded_pic_offset): Always make the
11103 embedded-pic subtractions relative to the name of the current
11104 function by use of the magic string "..CURRENT_FUNCTION".
11105 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
11107 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
11109 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
11110 of (const_int 0), when what we really care about is
11111 whether it's a zero constant anyway.
11112 (div_trap_mips16): Likewise.
11114 1999-11-23 Mark Mitchell <mark@codesourcery.com>
11116 * loop.c (loop_optimize): Always find_loop_tree_blocks and
11117 unroll_block_trees when generating debuggable code.
11119 * tree.h (unsave_expr_1): New function.
11120 (lang_unsave): New variable.
11121 (get_callee_fndecl): New function.
11122 * tree.c (unsave_expr_now_r): New function.
11123 (lang_unsave): Define.
11124 (unsave_expr_1): Likewise.
11125 (unsave_expr_now_r): Split out from unsave_expr_now.
11126 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
11127 call unsave_expr_now_r.
11128 (get_callee_fndecl): Define.
11130 * Makefile.in (gencheck): Don't depend on lang_tree_files.
11131 (gencheck.o): Do depend on lang_tree_files.
11133 * integrate.h (copy_decl_for_inlining): New declaration.
11134 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
11135 (copy_decl_for_inlining): New function.
11136 (integrate_parm_decls): Use it.
11137 (integrate_decl_tree): Likewise.
11139 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
11141 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
11142 the second two from the first.
11143 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
11144 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
11145 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
11147 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
11148 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
11151 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
11153 * pa.md (call_internal_symref, call_value_internal_symref): No mode
11154 needed on the address operand.
11155 * pa.c (call_operand_address): Check for the correct mode.
11157 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
11159 * loop.c: Include "basic-block.h".
11160 (try_copy_prop, replace_loop_reg): New functions.
11161 (load_mems): Detect registers that just hold copies of the hoisted
11162 mem, and call try_copy_prop to eliminate them.
11163 * Makefile.in (loop.o): Update dependencies.
11165 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
11167 * Makefile.in (gencheck.o): Depend on gencheck.h.
11168 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
11169 (insn-peep.o): Depend on except.h and function.h.
11170 (insn-attrtab.o): Depend on RECOG_H.
11171 (insn-output.o): Depend on toplev.h and flags.h.
11172 (gengenrtl.o): Depend on real.h.
11173 (gen-protos.o): Depend on cpplib.h and cpphash.h.
11174 Unify all dependencies to be on RECOG_H rather than recog.h.
11176 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11178 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
11179 * configure.in: Try building a bi-arch 32/64-bit compiler on
11180 sparc-*-solaris2.7 and higher.
11181 * configure: Rebuild.
11183 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
11185 * config/freebsd.h: New, FreeBSD architecture independent file.
11186 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
11187 independent pieces.
11188 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
11189 directly by i386/freebsd.h.
11190 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
11191 independent configuration file.
11192 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
11193 directly by i386/freebsd.h.
11194 * configure: Rebuilt.
11196 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
11197 which is in the user's namespace.
11198 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
11199 `i386' which is not in our namespace.
11201 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
11203 * invoke.texi (ARM Options): Add in -mno-alignment-traps
11205 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
11207 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
11208 (add_dwarf_attr, add_child_die): Just push onto the front.
11209 (reverse_die_lists): New fn.
11210 (add_sibling_attributes): Use it.
11211 (push_decl_scope): Reorganize.
11212 (add_name_and_src_coords_attributes): Don't set file and line for
11213 an artificial decl.
11214 (gen_subprogram_die): An artificial function doesn't need to match
11216 (gen_compile_unit_die): Return the generated die. Only add
11217 AT_comp_dir if the filename is relative.
11218 (remove_AT): Simplify loop. Also free string values.
11219 (output_die): A DIE ref can't be null.
11220 (output_value_format, value_format): Take a dw_attr_ref.
11221 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
11222 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
11223 AT_addr, AT_lbl): New fns.
11224 (various): Use them.
11225 (various): Constify.
11227 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11229 * combine.c (combine_simplify_rtx): When handling a SUBREG,
11230 take SUBREG_WORD into account.
11231 (if_then_else_cond): Likewise.
11233 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
11235 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
11236 clause from BSD license, pursuant with
11238 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
11240 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
11242 * loop.c (load_mems): Reformat slightly.
11243 * basic-block.h (regset_head): New typedef.
11244 (INIT_REG_SET): New macro.
11246 1999-11-22 Bruce Korb <autogen@linuxbox.com
11248 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
11249 (mips-dec-bsd*): non-functional code
11250 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
11252 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
11253 added three replacement fixes
11254 (no_double_slash): removed comments that are not (any longer) pertinent
11255 (bad_lval): this fix currently runs against many files.
11256 The comment seems to indicate that we should select for files
11257 containing 'pragma extern_prefix'.
11259 * fixinc/fixinc.x86-linux-gnu: deleted
11260 * fixinc/inclhack.sh: regen
11261 * fixinc/fixincl.x: regen
11262 * fixinc/fixincl.sh: regen
11264 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
11266 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
11267 its code is INSN and it has no notes.
11269 1999-11-22 Andrew Haley <aph@cygnus.com>
11271 * varasm.c (function_defined): Remove.
11272 (make_function_rtl): Don't set function_defined.
11273 (make_decl_rtl): Remove global register warning.
11274 * regclass.c (no_global_reg_vars): New variable.
11275 (globalize_reg): Warn if function has already been defined.
11276 (regclass_init): Set no_global_reg_vars.
11278 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11280 * regclass.c (reg_pref): New structure and static variable
11281 (prefclass): Delete.
11282 (altclass): Delete.
11283 (all uses of prefclass and altclass): Use reg_pref instead.
11285 1999-11-21 Nick Clifton <nickc@cygnus.com>
11287 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
11289 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
11290 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
11291 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
11293 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
11295 * varasm.c (output_constructor): Solve problem with long long
11296 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
11298 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11300 * global.c (allocno): New structure and static variable.
11301 (allocno_reg): Remove, all references replaced by allocno.
11302 (allocno_size): Likewise.
11303 (hard_reg_conflicts): Likewise.
11304 (hard_reg_preferences): Likewise.
11305 (hard_reg_copy_preferences): Likewise.
11306 (hard_reg_full_preferences): Likewise.
11307 (regs_someone_prefers): Likewise.
11308 (allocno_calls_crossed): Likewise.
11309 (allocno_n_refs): Likewise.
11310 (allocno_live_length): Likewise.
11311 (find_reg): Rename ALLOCNO to NUM.
11313 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
11314 references updated.
11315 (may_move_out_cost): New variable.
11316 (init_reg_sets_1): Initialize may_move_out_cost.
11317 (record_reg_classes): Use may_move_out_cost.
11319 * regclass.c (dump_regclass): New function.
11320 (regclass): New parameter DUMP, call DUMP_REGCLASS.
11321 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
11322 pass rtl_dump_file to regclass.
11323 * rtl.h (regclass): Update prototype.
11325 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11327 * i386.md (neg, not and abs patterns): Revmap to use
11328 ix86_expand_unary_operator and ix86_unary_operator_ok.
11329 (add?f and sub?f expanders): Force operand 1 to register.
11330 * i386.c (ix86_expand_unary_operator): Rewrite.
11331 (ix86_unary_operator_ok): Ensure that memory operands
11333 (ix86_binary_operator_ok): Do not allow operand 1 to
11334 come into memory and operand 0 not.
11335 (ix86_expand_binary_operator): Ensure that
11336 src1 is not non-matching memory.
11338 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
11339 to support integer registers and memory.
11340 (abss?2_integer): Likewise.
11342 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
11343 (REG_CLASS_NAMES): Likewise.
11344 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
11346 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
11347 (movsf): Likewise; unify 4th and 5th alternative.
11348 (pushdf): Likewise.
11349 (movdf_1): Likewise; rename to movdf_integer.
11350 (pushxf): Likewise; rename to pushxf_integer; fix output template;
11351 remove redundant splitter.
11352 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
11353 (movdf_nointeger): New.
11354 (movxf_nointeger): New.
11355 (pushxf_nointeger): New.
11357 * i386.md (extend?f?f): Split to expander and pattern, refuse two
11358 memory operands in patterns.
11359 (fop*): Refuse two memory operands.
11361 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
11362 on !TARGET_USE_CLTD CPUs.
11364 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
11366 * extend.texi: Document C++ restricted pointers and references.
11368 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
11370 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
11371 (invalidate_skipped_set): Call it unconditionally.
11372 (cse_set_around_loop): Likewise.
11374 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
11376 * rtl.texi (mem): Add documentation for alias-set argument
11379 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11381 * i386.h (struct_processor_costs): New fields int_load, int_store,
11382 fp_move, fp_load and fp_store
11383 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
11385 (MEMORY_MOVE_COST): New macro.
11386 * i386.c (386_cost): Define new fields.
11387 (i486_cost): Likewise.
11388 (pentium_cost): Likewise.
11389 (pentiumpro_cost): Likewise.
11390 (k6_cost): Likewise.
11392 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
11393 Geoffrey Keating <geoffk@cygnus.com>
11395 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
11397 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
11400 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
11401 (TARGET_STRICT_ALIGNMENT): New macro.
11402 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
11403 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
11404 * invoke.texi (M680x0 Options): Document -mstrict-align.
11406 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
11407 Richard Henderson <rth@cygnus.com>
11409 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
11410 (ix86_split_long_move): Declare.
11411 * i386.c (split_xf, ix86_split_movdi): Remove.
11412 (ix86_split_to_parts, ix86_split_long_move): New.
11413 * i386.md (dimode move splitters): Use ix86_split_long_move.
11414 (dfmode move splitters): Likewise.
11415 (xfmode move splitters): Likewise.
11416 (movsf_1): Allow F->r.
11417 (movdf_1, movxf_1): Allow F->ro.
11419 1999-11-17 Mark Mitchell <mark@codesourcery.com>
11421 * except.h (struct eh_entry): Add goto_entry_p.
11422 (eh_region_from_symbol): Remove prototype.
11423 * except.c (find_func_region_from_symbol): New function.
11424 (emit_cleanup_handler): Likewise.
11425 (eh_region_from_symbol): Make it static.
11426 (add_new_handler): Verify the argument.
11427 (find_func_region): Update comment.
11428 (expand_eh_region_end): Expand handlers here, rater than waiting
11429 until expand_leftover_cleanups or start_all_catch.
11430 (expand_leftover_cleanups): Don't expand here.
11431 (expand_start_all_catch): Or here.
11432 (expand_rethrow): Check the return value from find_func_region.
11433 * function.c (expand_function_end): Emit the catch_clauses.
11435 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
11437 * integrate.c (expand_inline_function): Add necessary check for NULL.
11439 1999-11-18 Nick Clifton <nickc@cygnus.com>
11441 * toplev.c (main): Correctly detect an unrecognised option.
11443 * cppinit.c (cpp_handle_option): Do not claim to have consumed
11444 a -f option if it has not been recognised.
11446 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
11448 * basic-block.h (update_life_extent): Remove trailing comma on
11449 enumeration type list.
11451 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11453 * varasm.c (output_constructor) Solved problem with long long
11454 bitfields. Corrected calculating this_time and shift. Also
11455 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
11457 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
11459 * flow.c (split_edge): Take looping structure into account when
11460 determining where to put the new block note.
11462 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
11464 * Makefile.in (ggc-none.o): Provide host specific version if
11467 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
11469 * cse.c (delete_trivially_dead_insns): Identify no-op insns
11470 containing subregs too.
11472 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
11474 * invoke.texi: Add documentation for -muninit-const-in-rodata.
11475 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
11476 (TARGET_UNINIT_CONST_IN_RODATA): Define.
11477 (text_section): Add switches -munint-const-in-rodata and
11478 -mno-uninit-const-in-rodata.
11479 (ASM_OUTPUT_COMMON): Remove.
11480 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
11481 const objects should be placed in read-only data. Otherwise declare
11484 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
11486 * jump.c (jump_optimize_1): Revert last change.
11488 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
11490 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
11491 test if optimizing for size.
11493 1999-11-17 Mark Mitchell <mark@codesourcery.com>
11495 * Makefile.in (toplev.o): Depend on except.h.
11496 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
11498 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11500 * i386.md (divmodsi4): Rewrite to expander.
11501 (*divmodsi4_nocltd): New.
11502 (*divmodsi4_cltd): New.
11503 (divmodsi4 splitter): Handle the case when input comes in edx.
11504 (udivmodhi4): Do not use constraints in exander.
11505 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
11507 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
11509 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
11510 for the common case.
11512 1999-11-16 Jakub Jelinek <jakub@redhat.com>
11514 * explow.c (hard_function_value): Add outgoing argument.
11515 * expr.h (hard_function_value): Declare it.
11516 * calls.c (expand_call, emit_library_call_value): Update callers.
11517 * function.c (aggregate_value_p): Ditto.
11518 (diddle_return_value): Must look at the outgoing registers
11519 on archs with register windows.
11521 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
11523 * alpha.c (alpha_build_va_list): Use make_lang_type and
11524 initialize TYPE_NAME for the va_list record.
11526 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
11528 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
11530 * ggc.h (struct ggc_statistics): Rearrange elements for better
11531 packing on 64-bit hosts.
11532 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
11533 (compute_nearerout): Likewise.
11535 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
11537 * config/rs6000/rs6000.c (first_reg_to_save): Save
11538 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
11540 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
11542 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
11543 notion of nesting to find the DIE for a type or function.
11544 DIEs can go in limbo even if we got a context_die.
11545 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
11546 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
11548 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
11549 (gen_type_die): Writing out the context doesn't cause member class
11550 template instantiations to be written out as well.
11552 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
11554 * rs6000.h (ASM_OUTPUT_DEF): New.
11555 Based on proposed addition from David Edelsohn.
11557 1999-11-15 Robert Lipe <RobertLipe@usa.net>
11558 Bruce Korb <autogen@linuxbox.com>
11560 * fixinc/inclhack.def
11561 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
11562 (unixware7_byteorder_fix): added. Removes conflicts for new defs
11564 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
11565 (svr4_endian): enabled with SVR5
11566 (svr4_mkdev): simplified syntax and enabled with SVR5
11568 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
11570 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
11571 * configure: Rebuilt.
11572 * config/t-freebsd-thread: New file.
11574 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
11576 * i386.c (ix86_decompose_address): Verify the base is a REG
11577 before trying to examine its register number.
11579 * basic-block.h: Remove all #defines and prototypes related to
11581 (free_bb_mem, compute_preds_succs): Remove prototype.
11582 * rtl.h (free_bb_mem): Remove prototype.
11583 * flow.c (alloc_int_list_node); Remove function.
11584 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
11585 (compute_preds_succs, free_bb_mem): Likewise.
11586 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
11587 * toplev.c (rest_of_compilation): Likewise.
11588 * haifa-sched.c (build_control_flow): Use flow generated edge
11589 list to build the haifa specific edge list.
11590 (find_rgns): Use new CFG data structures instead of pred/succ lists.
11591 (schedule_insns): Do not build pred/succ lists anymore. Instead
11592 build the edge table.
11594 * basic-block.h (dump_bb_data): Remove declaration.
11595 * flow.c (dump_bb_data): Remove function.
11596 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
11597 (sbitmap_union_of_predsucc): Likewise.
11599 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
11600 argument. All callers changed.
11601 (delete_null_pointer_checks_1): No longer need to compute the
11604 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
11605 All callers changed.
11606 (pre_expr_reaches_here_p_work): Likewise.
11607 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
11608 * lcm.c (compute_laterin): Fix initialization of LATER.
11609 (compute_nearerout): Similarly for NEARER.
11611 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11613 * cse.c (set_nonvarying_address_components): Delete unused function.
11614 (refers_to_p): Likewise.
11616 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
11618 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
11621 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11623 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
11624 definition in do while (0).
11626 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
11628 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
11630 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
11632 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
11634 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11636 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
11637 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
11638 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
11639 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
11641 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
11642 saved on the stack. Output more accurate stack frame statistics
11643 into assembler file.
11645 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
11647 * genextract.c (record_insn_name): New function.
11648 (get_insn_name): No longer a stub.
11649 (main): Call record_insn_name for each insn. After each label
11650 written, print the insn name in a comment.
11652 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11654 * output.h (const_section, init_section, fini_section): Add
11657 * alpha/elf.h (const_section): Delete declaration.
11659 * svr4.h (const_section): Likewise.
11661 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
11663 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
11664 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
11665 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
11667 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
11668 variable-sized array bounds.
11670 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
11672 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
11675 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11677 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
11678 addresses the same way GO_IF_LEGITIMATE_INDEX does.
11680 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11682 * cse.c (hash_arg_in_struct): Delete.
11683 (struct table_elt): Delete elt in_struct.
11684 (struct set): Delete elt src_in_struct.
11685 (merge_equiv_classes): Don't set either hash_arg_in_struct or
11686 the corresponding in_struct elts.
11687 (canon_hash): Likewise.
11688 (safe_hash): Likewise.
11689 (find_best_addr): Likewise.
11690 (record_jump_cond): Likewise.
11691 (cse_insn): Likewise.
11693 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
11695 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
11697 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
11700 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
11702 * function.c (diddle_return_value): Put back check that the DECL_RTL
11703 for the function is a register.
11705 * function.c (diddle_return_value): Use hard_function_value to
11706 get an rtx suitable for use in the USE/CLOBBER insn.
11708 * global.c (global_conflicts): Update comments.
11709 (record_conflicts): No need to record conflicts between pseudos here.
11711 1999-11-11 Bruce Korb <autogen@linuxbox.com>
11713 * fixinc/fixincl.c: Added verbose levels for status messages
11715 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11717 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
11718 operand as argument to expand_and or expand_binop.
11720 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
11722 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
11723 gcc_add_string_root.
11725 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
11727 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
11729 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
11731 * flow.c (compute_flow_dominators): Initially put all blocks on
11733 * lcm.c (compute_antinout_edge, compute_available): Similarly.
11734 * gcse.c (compute_cprop_avinout): Remove.
11735 (compute_cprop_data): Use compute_available.
11736 (delete_null_pointer_checks_1): Use compute_available.
11738 * basic-block.h (compute_available): Returns a void now.
11739 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
11740 to return a value anymore.
11741 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
11742 worklists. Fix boundary cases. Compute maximal solutions.
11743 (compute_laterin, compute_nearerout): Similarly.
11745 * dwarf2out.c (add_AT_location_description): Allow
11746 (mem (plus (pseudo) (...)) too.
11748 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
11750 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
11752 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
11753 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11755 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
11757 * gansidecl.h: Likewise.
11763 * toplev.h: Likewise.
11765 * tree.c: Likewise.
11767 * tree.h: Likewise.
11769 * varray.c: Likewise.
11771 * varray.h: Likewise.
11773 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
11775 * gcov.c (struct arcdata): Add hits and total, remove prob.
11776 (output_branch_counts): New.
11777 (process_args): Set output_branch_counts if -c.
11778 (calculate_branch_probs): Store hits and total instead of
11780 (output_data): Emit counts if output_branch_counts is true.
11781 * gcov.texi (Invoking Gcov): Document -c switch..
11783 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
11785 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
11786 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
11788 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
11790 * invoke.texi (C Dialect Options): Add missing builtins from
11791 c-common.c to list.
11792 * extend.texi (Other Builtins): Copy to this list.
11794 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11796 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
11797 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
11798 redundant bitmap.h.
11800 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
11802 * flow.c (compute_flow_dominators): No longer treat basic block 0
11803 or (n_basic_blocks - 1) specially. Clear the AUX field before
11804 starting computation of doms/pdoms. Fix initial state for pdoms.
11806 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11808 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
11809 match rtl.o's: added ggc.h and toplev.h
11810 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
11811 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
11812 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
11814 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
11816 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
11817 from HAVE_DOS_BASED_FILESYSTEM.
11818 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
11819 HAVE_DOS_BASED_FILESYSTEM.
11821 (split_directories): Only special-case DOS file names if
11822 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
11823 instead of explicit tests. Conditionalize on !VMS.
11824 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
11825 tests. Conditionalize on !VMS.
11826 (process_command): Only use make_relative_prefix if !VMS.
11827 (free_split_directories): Conditionalize on !VMS.
11828 (DIR_UP): Conditionalize on !VMS.
11830 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
11832 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
11834 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
11836 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
11839 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
11841 * invoke.texi (Environment Variables): Document relative path
11843 * gcc.c (DIR_UP): If not defined, define as "..".
11844 (standard_bindir_prefix): New static, holds target location to
11846 (split_directories): New function to split a filename into
11847 component directories.
11848 (free_split_directories): New function, release memory allocated
11849 by split_directories.
11850 (make_relative_prefix): New function, make a relative pathname if
11851 the compiler is not in the expected location.
11852 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
11853 can figure out an appropriate prefix from argv[0].
11854 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
11855 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
11856 STANDARD_BINDIR_PREFIX.
11858 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11860 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
11862 * config/c4x/c4x.h: Moved prototypes to c4x.h.
11863 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
11864 c4x_secondary_memory_needed) Delete.
11865 (fp_zero_operand): Add mode argument.
11867 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
11869 * reload1.c (reload_reg_free_for_value_p): Don't use a register
11870 that is in reload_reg_used.
11872 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
11874 * config/arm/arm-protos.h: New file: Prototypes for functions
11875 defined in arm.c and pe.c.
11876 * config/arm/arm.h: Fix compile time warnings.
11877 * config/arm/arm.c: Fix compile time warnings.
11878 * config/arm/pe.h: Fix compile time warnings.
11879 * config/arm/aout.h: Fix compile time warnings.
11881 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
11883 * config/m32r/m32r-protos.h: New file: Prototypes for functions
11886 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
11887 Add support for subtargets.
11888 Add prototypes for new predicates.
11889 Add scheduling macros.
11891 * config/m32r/m32r.c: Fix compile time warnings.
11892 (int8_operand): New predicate function.
11893 (reg_or_cmp_int16_operand): New predicate function.
11894 (extend_operand): New predicate function.
11895 (m32r_adjust_code): New scheduling function.
11896 (m32r_adjust_priorty): New scheduling function.
11897 (m32r_sched_init): New scheduling function.
11898 (m32r_sched_reorder): New scheduling function.
11899 (m32r_sched_variable_issue): New scheduling function.
11900 (direct_return): New codegen function.
11901 (m32r_not_same_reg): New rtl testsing function.
11903 * config/m32r/m32r.md: Fix compile time warnings.
11904 Add support for pre decrement and post increment memory
11906 Add S<cc> patterns.
11909 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11911 * global.c (EXECUTE_IF_CONFLICT): Don't define.
11912 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
11913 (find_reg): Likewise.
11915 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
11917 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
11918 to avoid assembler errors.
11920 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
11922 * config/v850/v850-protos.h: New file: Prototypes for functions
11924 * config/v850/v850.h: Move prototypes to v850-protos.h
11925 * config/v850/v850.c: Move prototypes to v850-protos.h
11926 * config/v850/v850.md: Fix compile time warnings.
11928 * config/fr30/fr30-protos.h: New file: Prototypes for functions
11930 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
11931 * config/fr30/fr30.c: Fix compile time warnings.
11932 * config/fr30/fr30.md: Fix compile time warnings.
11934 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
11936 * tree.h (get_containing_scope): Declare it.
11937 * tree.c (get_containing_scope): New fucntion.
11938 (decl_function_context): Use it.
11939 * toplev.c (rest_of_compilation): Use get_containing_scope.
11941 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11943 * Makefile.in (rtl.o): Depend on toplev.h.
11945 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
11947 * cse.c (delete_trivially_dead_insns): Replace alloca with
11949 * except.c (update_rethrow_references): Likewise.
11950 (init_eh_nesting_info): Likewise.
11951 * function.c (identify_blocks): Likewise.
11952 * gcse.c (dump_hash_table): Likewise.
11953 * graph.c (print_rtl_graph_with_bb): Likewise.
11954 * loop.c (combine_movables): Likewise.
11955 (move_movables): Likewise.
11956 (count_loop_regs_set): Likewise.
11957 (strength_reduce): Likewise.
11958 * profile.c (compute_branch_probabilities): New function, split
11960 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
11961 * regclass.c (regclass): Likewise.
11962 * regmove.c (regmove_optimize): Likewise.
11963 * toplev.c (compile_file): Likewise.
11964 (main): Don't mess with the stack rlimit.
11966 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
11968 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
11969 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
11971 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
11973 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
11975 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
11977 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
11978 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
11981 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
11983 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
11985 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
11987 * gcse.c (post_dominators): Kill.
11988 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
11989 (compute_code_hoist_data): Use compute_flow_dominators. Do not
11990 pass in a pdom array since we do not need pdoms.
11991 * haifa-sched.c (schedule_insns): Similarly.
11992 * flow.c (compute_dominators): Remove dead function.
11993 (compute_flow_dominators): Do not compute doms or pdoms if the
11994 caller does not request them. Split up loop to build doms and
11995 pdoms. Use a worklist to compute doms and pdoms.
11996 * basic-block.h (compute_dominators): Remove prototype.
11998 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
12000 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
12001 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
12002 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
12003 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
12004 (cant_move, fed_by_spec_load, is_load_insn): Remove.
12005 (schedule_region): Remove unused variable.
12006 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
12008 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
12010 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
12011 (update_equiv_regs): Likewise.
12012 (block_alloc): Likewise.
12013 * reg-stack.c (reg_to_stack): Likewise.
12014 (convert_regs_2): Likewise.
12015 * reload1.c (reload_as_needed): Likewise.
12017 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
12019 * Makefile.in (dbxout.o): Depend on ggc.h.
12020 (dwarf2out.o): Likewise.
12021 (xcoffout.o): Likewise.
12022 * dbxout.c: Include ggc.h.
12023 (dbxout_init): Register lastfile as a root.
12024 * dwarf2out.c: Include ggc.h.
12025 (dwarf2out_line): Register lastfile as a root.
12026 * xcoffout.c: Include ggc.h.
12027 (xcoffout_source_line): Register xcoff_lastfile as a root.
12029 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
12031 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
12033 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
12035 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
12037 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
12039 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12041 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
12042 (EXECUTE_IF_CONFLICT): Likewise.
12043 (ALLOCNO_LIVE_P): Avoid signed division.
12044 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
12045 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
12046 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
12048 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
12050 * haifa-sched.c (schedule_block): Don't crash if there's no
12051 next insn for an interblock movement.
12052 (add_branch_dependences): Don't allow clobber insns to move either.
12054 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
12056 * i386.c (split_xf): New.
12057 * i386-protos.h: Declare it.
12058 * i386.md (movxf_1): Add general regs alternatives.
12059 (movxf_1+1): New splitter for same.
12061 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
12063 * function.c (purge_addressof_1): Add missing return values.
12065 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
12067 * function.c (is_addressof): New function. Returns true if
12068 the given piece of RTL is an ADDRESSOF.
12069 (purge_addressof_1): Make boolean. Return false if the
12070 ADDRESSOFs could not be purged.
12071 (purge_addressof): If ADDRESSOFs could not be purged from the
12072 notes attached to an insn, remove the offending note(s),
12073 unless they are attached to a libcall.
12075 1999-11-05 Andreas Jaeger <aj@suse.de>
12077 * genoutput.c (null_operand =): Initialize all fields.
12079 * errors.h: Add extern to prototypes.
12081 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
12083 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
12084 * configure: Rebuilt.
12086 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12088 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
12089 (mirror_conflicts): New function.
12090 (global_alloc): Call it.
12091 (expand_preferences): Remove redundant CONFLICTP test.
12092 (find_reg, dump_conflicts): Likewise.
12093 (prune_preferences): Process conflicts one word at a time.
12095 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
12097 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
12098 instead of an explicit loop.
12100 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
12102 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
12103 if REG_RETVAL check succeeds, then put classp in src_elt.
12105 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
12107 * function.c (pad_to_arg_alignment): Only update argument_pad
12108 if the argument's alignment is greater than STACK_BOUNDARY.
12110 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
12112 * bitmap.h (BITMAP_XFREE): New.
12113 * flow.c (life_analysis): Use it.
12114 (life_analysis_1): Free blocks.
12116 * combine.c (undo_commit): New.
12117 (try_combine): Use it. Don't zap undobuf.undos.
12118 (combine_instructions): Don't zap undobuf.undos; free the
12119 undobuf.frees list.
12121 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
12123 * stmt.c (cost_table_): New.
12124 (estimate_case_costs): Use it instead of xmalloc.
12126 * toplev.c (compile_file): Reuse dumpname memory instead
12129 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
12131 * reg-stack.c (convert_regs_1): Initialize target_stack->top
12132 after verifying an EH edge.
12134 * haifa-sched.c (init_rgn_data_dependences): Correctly
12135 size bb_pending_lists_length when zeroing.
12137 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
12139 * function.c (diddle_return_value): New.
12140 (expand_function_end): Use it.
12141 * stmt.c (expand_null_return): Likewise.
12142 (expand_value_return): Likewise.
12144 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
12146 * reload1.c (reload): Don't remove return value clobbers.
12148 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
12150 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
12152 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
12154 * cse.c (cse_main): Use xmalloc, not alloca.
12155 (cse_basic_block): Likewise.
12156 * local-alloc.c (local_alloc): Likewise.
12158 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
12159 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12161 * rtl.c: Include toplev.h.
12162 (fatal): Remove declaration.
12164 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
12166 * haifa-sched.c (schedule_block): Fix thinko.
12168 1999-11-03 James McKelvey <mckelvey@fafnir.com>
12170 * fixinc/fixincl.c(create_file): Allow for systems that do not have
12171 S_IR* defined values
12173 1999-11-03 Philippe De Muyter <phdm@macqel.be>
12175 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
12176 call `malloc' instead.
12178 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
12180 * flags.h (flag_renumber_insns): Declare.
12181 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
12183 * rtl.h (renumber_insns): Change prototype.
12184 * toplev.c (flag_renumber_insns): Define.
12185 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
12187 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
12189 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
12190 and fpsqrtd. Use them and create fdiv function unit to more
12191 accurately represent fpu sqrt pipeline semantics on UltraSparc.
12192 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
12194 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
12196 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
12198 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
12199 insn into ready list, do not use just a raw swap.
12201 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
12203 * rtl.h (renumber_insns): New function.
12204 (remove_unnecessary_notes): Likewise.
12205 * emit-rtl.c (renumber_insns): Define.
12206 (remove_unncessary_notes): Likewise.
12207 * toplev.c (rest_of_compilation): Remove dead code.
12208 Use renumber_insns and remove_unncessary_notes.
12210 * gcse.c (struct null_pointer_info): New type.
12211 (get_bitmap_width): New function.
12212 (current_block): Remove.
12213 (nonnull_local): Likewise.
12214 (nonnull_killed): Likewise.
12215 (invalidate_nonnull_info): Take a null_pointer_info as input.
12216 (delete_null_pointer_checks_1): New function.
12217 (delete_null_pointer_checks): Use it.
12219 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
12220 (split_edges): Likewise.
12221 (schedule_block): Likewise.
12222 (compute_block_backward_dependencies): Likewise.
12223 (schedule_region): Likewise.
12224 (schedule_insns): Likewise.
12226 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
12228 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
12229 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
12230 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
12231 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
12232 * jump.c (delete_unreferenced_labels): Don't delete if
12233 LABEL_ALTERNATE_NAME is set.
12234 * print-rtl.c (print_rtx): Dump alternate name.
12235 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
12236 * rtl.h (LABEL_ALTERNATE_NAME): Define.
12237 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
12238 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
12240 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12242 * fix-header.c (recognized_extern, recognized_function): Constify
12245 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
12246 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
12247 (compute_available): Remove unused variable `last'.
12248 (compute_nearerout): Remove unused variable `temp_bitmap'.
12249 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
12250 Remove unused variable `x'.
12252 * scan.h (recognized_function, recognized_extern): Constify a
12255 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
12257 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12259 * varasm.c (decode_rtx_const): Use XSTR to access the string
12262 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
12264 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
12266 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12268 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
12270 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
12272 * pa.c (ireg_operand): New function.
12273 * pa.h (PREDICATE_CODES): Handle ireg_operand.
12274 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
12275 Fix out of date comment.
12277 * pa.md (negdi2): Turn into expander + anonymous pattern.
12279 * reload.c (find_reloads): Fix typos in recent change.
12281 * dwarf2out.c: Do not include ctype.h.
12283 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12285 * regclass.c (record_reg_classes): Always use may_move_cost when
12286 seeing how operand fits with various register classes.
12288 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
12290 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
12291 * toplev.c: Revert Nov 1 13:22 change.
12293 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
12295 * config/pa/pa.md (height reduction patterns): Add checks for
12296 overlapping operands to avoid semantic-destroying splits for
12297 height reduction patterns.
12299 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12301 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
12302 have been an hyphen, fixed.
12303 * configure: Rebuilt.
12305 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
12307 * config/arm/tpe.h: Add prototypes for exported functions.
12308 * config/arm/pe.c: Fix compile time warnings.
12309 * config/arm/semi.h: Fix compile time warnings.
12310 * config/arm/arm.c: Fix compile time warnings.
12311 * config/arm/arm.h: Fix compile time warnings.
12312 * config/arm/arm.md: Fix compile time warnings.
12313 * config/arm/thumb.c: Fix compile time warnings.
12314 * config/arm/thumb.h: Fix compile time warnings.
12315 * config/arm/thumb.md: Fix compile time warnings.
12317 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
12319 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
12322 * unroll.c (unroll_loop): Remove LOOP notes when loop is
12323 completely unrolled.
12325 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12327 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
12329 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
12331 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
12332 * rtl.h (rtx_equal_p): Move prototype.
12333 * rtl.c (rtx_equal_function_value_matters): Move from
12335 (rtx_equal_p): Likewise.
12336 * rtlanal.c (rtx_equal_function_value_matters): Delete.
12337 (rtx_equal_p): Likewise.
12339 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
12341 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
12342 ! HAS_INIT_SECTION.
12344 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
12346 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
12348 * pa.h (ADDR_VEC_ALIGN): Define.
12350 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
12351 notes when presented with "if (foo) break; end_of_loop" and
12352 the break sequence gets moved out of the loop.
12354 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
12355 Remove explicit zero initializations of entries within MAP.
12357 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
12359 * reg-stack.c (convert_regs_1): Handle EH edges specially.
12361 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
12363 * bitmap.h (BITMAP_XMALLOC): New macro.
12364 * flow.c (CLEAN_ALLOCA): Remove.
12365 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
12366 (life_analysis): Likewise.
12367 (update_life_info): Don't use CLEAN_ALLOCA.
12368 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
12369 (calculate_global_regs_live): Likewise.
12370 (print_rtl_with_bb): Likewise.
12371 (verify_flow_info): Likewise.
12372 * global.c (global_alloc): Likewise.
12373 (global_conflicts): Likewise.
12374 * integrate.c (save_for_inline_nocopy): Likewise.
12375 (expand_inline_function): Likewise.
12376 * jump.c (jump_optimize_1): Likewise.
12377 (duplicate_loop_exit_test): Likewise.
12378 (thread_jumps): Likewise.
12379 * loop.c (loop_optimize): Likewise.
12380 (combine_givs): Likewise.
12381 (recombine_givs): Likewise.
12382 * reorg.c (dbr_schedule): Likewise.
12383 * unroll.c (unroll_loop): Likewise.
12385 * combine.c (combine_instructions): Use xmalloc instead of alloca.
12387 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
12389 * toplev.c (rest_of_compilation): Don't optimize the CFG
12390 when rebuilding, just before dbr.
12392 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12394 * output.h (assemble_end_function, assemble_destructor,
12395 assemble_constructor, assemble_gc_entry, assemble_global,
12396 assemble_label, output_constant_pool) Constify a char*.
12398 * varasm.c (assemble_destructor, assemble_constructor,
12399 assemble_gc_entry, assemble_end_function, assemble_global,
12400 assemble_label, output_constant_pool): Likewise.
12402 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
12404 * config/arm/thumb.c (thumb_expand_prologue): Add comments
12405 explaining what is goin on in this function.
12407 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12409 * regclass.c (record_reg_classes): In matching case, recompute
12410 costs since the direction of movement is different.
12412 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12414 * resource.c (mark_target_live_regs): For unconditional branches,
12415 the resources found at the branch target should be added to the
12416 resources found so far, not intersected.
12418 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
12420 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
12422 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
12423 (sys/mman.h): Include this file only if #HAVE_MMAP.
12424 (run_compiles): Initialize `esac_fmt' with one old KR string, not
12425 with automatically concatenated ANSI strings.
12427 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
12429 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
12430 (DIV_ROUND_UP): Robustify.
12431 (ggc_recalculate_in_use_p): New function.
12432 (release_pages): Don't inline it.
12433 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
12435 (ggc_pop_context): Use ggc_recalculate_in_use_p.
12436 (clear_marks): Always save in_use_p.
12437 (sweep_pages): Use ggc_recalculate_in_use_p.
12438 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
12439 Release pages before counting statistics.
12441 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
12443 * toplev.c (rest_of_compilation): Fix thinko in this change:
12445 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
12447 (rest_of_compilation): If inside an inlined external function,
12448 pretend we are just being declared.
12450 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
12452 * flow.c (calculate_global_regs_live): Fix thinko.
12454 * integrate.c (expand_inline_function): Fix bugs in previous
12455 change from Oct 28, 1999.
12457 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
12459 * stmt.c (expand_value_return): Fix typo in this change:
12461 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12462 (expand_value_return): Correctly convert VAL when promoting function
12463 return; support RETURN_REG being a PARALLEL.
12465 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
12467 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
12469 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12471 * hard-reg-set.h (reg_names): Constify a char*.
12473 * regclass.c (reg_names): Likewise.
12475 * regs.h (reg_names): Likewise
12477 * a29k/a29k.c (reg_names): Delete declaration.
12479 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
12481 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
12482 arc_output_function_epilogue): Likewise.
12484 * elxsi/elxsi.c (reg_names): Likewise.
12486 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
12488 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
12491 * m88k/m88k.c (output_function_profiler): Likewise.
12493 * sparc/sparc.c (sparc_flat_output_function_prologue,
12494 sparc_flat_output_function_epilogue): Likewise.
12496 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
12498 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
12499 warning from -Wuninitialized and put it under -W.
12500 * function.c (uninitialized_vars_warning): Warn only when the
12501 corresponding flag is set.
12503 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
12505 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
12506 is nonzero and the single set does not have an elt, then assign
12509 * simplify-rtx.c: New file.
12510 * Makefile.in (OBJS): Add simplify-rtx.o
12511 (simplify-rtx.o): Add dependencies.
12512 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
12513 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
12514 (cse_gen_binary, simplify_unary_operation): Delete.
12515 (simplify_binary_operation, simplify_plus_minus): Likewise.
12516 (check_fold_consts, simplify_relation_operation): Likewise.
12517 (simplify_ternary_operation): Likewise.
12518 (delete_trivially_dead_insns): Simplify the contents of the
12519 REG_EQUAL note before trying to substitute it into the source
12520 of the reg-reg copy at the end of a libcall sequence.
12522 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
12523 references/callers changed.
12525 * mn10200.c (mn10200_va_arg): Force the return value into a
12528 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
12530 * cccp.c (macroexpand): Avoid out of range accesses for omitted
12533 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
12535 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
12537 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
12539 * fold-const.c (fold): Fix thinko when optimizing comparisons
12542 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
12544 * gcc.texi (Passes): Update front-end files to their current
12547 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
12549 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
12550 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
12551 (PREDICATE_CODES): Add addition_operation.
12552 * alpha-protos.h (addition_operation): Declare.
12553 (secondary_reload_class): Likewise.
12554 * alpha.c (addition_operation): New.
12555 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
12556 * alpha.md (adddi3): Turn into expander.
12557 (*lda, *adddi_2): New.
12558 (movsf, movdf patterns): Don't preference integer regs.
12559 (movsi, movdi patterns): Don't preference fp regs.
12561 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
12563 * genrecog.c (write_switch): Check for duplicate CODE cases.
12565 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
12567 * ggc-common.c: Update pre-function commentary.
12568 * ggc-page.c: Likewise.
12570 (poison_pages): Use memset directly.
12571 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
12572 (ggc_collect): Poison before sweeping.
12573 * ggc-simple.c: Update pre-function commentary.
12574 (ggc_alloc_obj): Poison non-zeroed memory.
12576 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
12578 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
12579 match format string, even on 64-bit hosts.
12580 * gcc-page.c (ggc_page_print_statistics): Likewise.
12582 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
12584 * config/i386/i386.c (ix86_cpu): Revert last patch.
12585 * config/i386/i386.h (ix86_cpu): Ditto.
12587 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
12589 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
12590 TYPE_SIZE, convert type of result to sizetype.
12592 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
12594 * flow.c (count_or_remove_death_notes): Equate NULL with the
12597 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
12598 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
12601 * i386.c (pic_label_no): Delete.
12602 (ix86_attr_length_default): Don't use single_set to peek
12605 * recog.c (peephole2_optimize): Allow recog_next_insn to index
12606 the first insn after bb->end.
12607 * i386.md (push mem peeps): Scratch is live after evaluation
12609 (cmp mem peep): Similarly.
12611 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
12613 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
12614 * function.c (pad_to_arg_alignment): Add missing braces.
12616 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12618 * alpha/alpha-protos.h (literal_section): Add prototype.
12619 (alpha_need_linkage, alpha_start_function,alpha_end_function):
12622 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
12624 (alpha_start_function, alpha_end_function, float_strings,
12625 alpha_need_linkage): Constify a char*
12627 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
12629 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
12631 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12633 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12635 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12637 * flow.c (debug_flow_info): Add prototype.
12639 * gcc.c (main): Likewise.
12641 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
12644 * reload1.c (failed_reload, set_reload_reg): Likewise.
12646 * mips-tfile.c (main): Likewise.
12647 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
12648 with ATTRIBUTE_NORETURN.
12650 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
12652 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
12653 DECL is not a memory ref.
12655 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
12657 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
12658 * config/i386/i386.c (ix86_cpu): Add extern attribute.
12660 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
12662 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
12663 * config/mips/elf64.h: ditto.
12665 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
12667 * expr.c (emit_push_insn): New argument alignment_pad.
12668 Update all callers. Adjust stack pointer based on alignment pad.
12669 * function.c (pad_to_arg_alignment): New argument alignment_pad.
12670 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
12671 (locate_and_pad_parm): New argument alignment_pad. Update all
12673 * expr.h (emit_push_insn): Update prototype.
12674 (locate_and_pad_parm): Update prototype.
12675 * calls.c (arg_data): Add new field alignment_pad.
12676 (initialize_argument_information): Initialize alignment_pad.
12678 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
12680 * except.c (free_eh_nesting_info): Free the info itself.
12681 * function.c (free_after_compilation): Don't free NULL.
12682 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
12683 (pre_edge_insert): Free inserted.
12684 * stmt.c (free_stmt_status): Don't free NULL.
12686 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
12688 * gcov.c (DIR_SEPARATOR): Provide default.
12689 (output_data): Add test for MS-DOS format absolute filename.
12690 (fancy_abort): Correct program name.
12691 (open_files): Open all files in binary mode.
12692 * libgcc2.c (__bb_exit_func): Likewise.
12694 * profile.c (init_branch_prob): Specify binary when opening files.
12696 * flags.h (flag_unwind_tables): New decl.
12697 * toplev.c (flag_unwind_table): New definition.
12698 (f_options): Add -funwind-tables.
12699 (decode_g_option): Clarify warning when unknown -g option is given.
12700 (rest_of_compilation): If inside an inlined external function,
12701 pretend we are just being declared.
12703 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
12704 (dwarf2out_frame_finish): Likewise.
12706 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
12708 * fold-const.c (merge_ranges): If not in0, but in1, handle
12709 upper bounds equal like subset case.
12711 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
12713 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
12714 passed in a register but moved to the stack.
12716 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
12718 * gcc.c (pass_exit_codes, greatest_status): New variables.
12719 (struct option_map): Add entry for "--pass-exit-codes".
12720 (execute): Update greatest_status if error.
12721 (display_help): Add documentation for -pass-exit-codes.
12722 (process_command): Handle -pass-exit-codes.
12723 (main): Look at pass_exit_codes and greatest_status on call to exit.
12725 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12727 * reload.c (find_reloads): Refine test for no input reload
12728 case to not includes reloads emitted after insn.
12730 * function.c (find_temp_slots_from_address): Handle sum involving
12731 a register that points to a temp slot.
12732 (update_temp_slot_address): Make recursive call if both old and
12733 new are PLUS with a common operand.
12734 * calls.c (expand_call): Mark temp slot for result as having
12737 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
12739 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
12740 component as well as "BINUTILS".
12742 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
12743 * integrate.c (copy_rtx_and_substitute): Likewise.
12744 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
12745 All callers changed.
12746 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
12748 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
12749 gdb extensions, write size of type; also be more consistent
12750 in using references when this is a subtype.
12752 * pa.md (extv, extzv, insv): Use define_expand to reject constant
12753 that is out of range.
12755 * loop.c (unknown_constant_address_altered): New variable.
12756 (prescan_loop): Initialize it.
12757 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
12758 (invariant_p, case MEM): Remove handling for volatile and readonly;
12759 check new variable if readonly.
12760 (check_dbra_loop): Chdeck unknown_constant_address_altered.
12762 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
12763 (addr_affects_sp_p): Removed from note_mem_written and only
12764 define #ifdef AUTO_INC_DEC.
12766 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
12768 * regclass.c (record_reg_classes): Properly handle register move
12771 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
12772 Don't think valid if both operands are invalid.
12773 (struct constant_descriptor): New field RTL.
12774 (mark_const_hash_entry): Mark it.
12775 (record_constant{,_rtx}): Initialize it.
12776 (output_constant_def): Allocate RTL in permanent obstack and
12778 ({record,compare}_constant_1): Modes must match for
12779 CONSTRUCTOR of ARRAY_TYPE.
12781 * c-common.h (initializer_constant_valid_p): Delete decl from here.
12782 * output.h (initializer_constant_valid_p): Move decl to here.
12783 * c-common.c (initializer_constant_valid_p): Delete function from here.
12784 * varasm.c (initializer_constant_valid_p): Move function to here.
12786 * tree.h (STRIP_SIGN_NOPS): New macro.
12787 * fold-const.c (optimize_minmax_comparison): New function.
12788 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
12789 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
12790 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
12791 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
12792 widening conversions.
12793 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
12794 to look at size of mode, not precision of type; also add missing cases.
12795 (optimize_bit_field_compare, decode_field_reference): Don't try to
12796 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
12798 * dwarf2out.c (ctype.h): Include.
12799 (dwarf2out_set_demangle_name_func): New function.
12800 (size_of_line_info): Deleted.
12801 (output_line_info): Compute size of line info table from difference
12803 (base_type_die, add_name_attribute): Call demangle function, if any.
12804 (field_byte_offset): Use bits per word for variable length fields.
12805 (gen_array_type_die): Add array name.
12806 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
12807 (dwarf2out_add_library_unit_info): New function.
12809 * explow.c (set_stack_check_libfunc): New function.
12810 (stack_check_libfunc): New static variable.
12811 (probe_stack_range): Allow front-end to set up a libfunc to call.
12813 * combine.c (simplify_comparison): When making comparison in wider
12814 mode, check for having commuted an AND and a SUBREG.
12815 (contains_muldiv): New function.
12816 (try_combine): Call it when dividing a PARALLEL.
12817 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
12818 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
12820 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
12821 use one of the CLOBBERs instead.
12822 (if_then_else_cond): If comparing against zero, just return thing
12825 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
12826 Don't generate shifts and subtract if have conditional arithmetic.
12828 * rtl.h (delete_barrier): New declaration.
12829 * jump.c (jump_optimize): Set up to handle conditional call.
12830 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
12831 (delete_barrier): New function.
12833 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
12835 * recog.c (nonmemory_operand): Accept ADDRESSOF.
12837 * tree.c (build_type_attribute_variant): Push to obstack of
12838 ttype around type_hash_canon call.
12840 * expr.c (placeholder_list): Move decl to file scope.
12841 (expand_expr): Don't force access to volatile just because its
12843 If ignoring reference operations, just expand the operands.
12844 (expand_expr, case COMPONENT_REF): Propagate
12845 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
12846 Refine test for using bitfield operations vs pointer punning.
12847 (expand_expr, case CONVERT_EXPR): If converting to
12848 BLKmode UNION_TYPE from BLKmode, just return inner object.
12849 Use proper mode in store_field call.
12850 Properly set sizes of object to store and total size in store_field
12851 call for convert to union.
12852 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
12853 memory (like for ADDR_EXPR). Also, don't put constant in register if
12854 we'll want it in memory.
12855 (readonly_fields_p): New function.
12856 (expand_expr, case INDIRECT_REF): Call it if LHS.
12857 (expand_assignment): Handle a RESULT_DECL where
12858 DECL_RTL is a PARALLEL.
12859 (do_jump, case WITH_RECORD_EXPR): New case.
12860 (get_inner_reference): Always go inside a CONVERT_EXPR
12861 and NOP_EXPR if both modes are the same.
12862 (store_field): Use bitfield operations if size of bitsize is not same
12863 as size of RHS's type.
12864 Check for bitpos not a multiple of alignment in BLKmode case.
12865 Do block move in largest possible alignment.
12866 (store_constructor): Set BITSIZE to -1 for variable size and properly
12867 in case of array of BLKmode.
12868 (expand_expr_unaligned): New function.
12869 (do_compare_and_jump): Call it.
12871 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
12872 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
12873 does not include 'o'.
12875 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
12876 both SET_DEST and SET_SRC reference a virtual register.
12877 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
12879 * integrate.c (expand_inline_function): Handle case of setting
12880 virtual stack vars register (from built in setjmp); when parameter
12881 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
12882 (subst_constant): Add new parm, MEMONLY.
12883 (expand_inline_function, integrate_parm_decls): Pass new parm.
12884 (integrate_decl_tree): Likewise.
12885 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
12886 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
12887 (copy_rtx_and_substitute, case SET): Add explicit calls to
12888 copy_rtx_and_substitute for both sides.
12890 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
12892 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
12893 within INDEX_TYPE, instead of before.
12894 (fixup_gotos): Use f->target_rtl, not the next insn,
12895 since latter may be from a later fixup.
12896 (expand_value_return): Correctly convert VAL when promoting function
12897 return; support RETURN_REG being a PARALLEL.
12898 (expand_return): When checking for result in regs and having
12899 cleanup, consider PARALLEL in DECL_RTL as being in regs.
12901 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
12903 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
12904 last_nominal_fname): Mark const.
12905 (struct include_hash: name, nshort, control_macro): Mark
12907 (struct macrodef: symnam): Mark const.
12908 (struct if_stack: fname): Mark const.
12909 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
12910 (IStable): New character-syntax array which encompasses all
12911 the old is_foo arrays.
12912 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
12913 is_space): New macros for interrogating IStable.
12914 (check_macro_name): Kill last argument. All callers changed.
12916 * cppinit.c (initialize_char_syntax): Delete.
12917 (is_idchar, is_idstart, is_hor_space, is_space,
12918 trigraph_table): Delete.
12919 (IStable): New. Initialize with clever macros to avoid
12920 information duplication.
12921 (builtin_array): Table of builtins to get rid of explicit list
12922 in initialize_builtins.
12923 (initialize_builtins): Use builtins_array.
12924 (cpp_start_read): Call init_IStable, and set IStable['$'] if
12925 opts->dollars_in_ident.
12927 * cppexp.c: Change all refs to is_xyz[] arrays to use new
12929 (cpp_parse_expr): Avoid 'format string is not constant'
12930 warning. Use ISGRAPH to identify printable chars.
12931 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
12933 (read_and_prescan): Map trigraphs to chars with open-coded
12934 if-else-if-... sequence, not a lookup table.
12935 * cpphash.c: Change all refs to is_xyz[] arrays to use new
12937 * cpplib.c: Change all refs to is_xyz[] arrays to use new
12938 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
12939 (check_macro_name): Remove ability to report an invalid
12940 assertion name, which is never used.
12941 (do_line): Constify a couple of char *'s.
12942 * cppmain.c (main): Call cpp_cleanup before returning.
12944 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
12946 * ggc.h (struct ggc_statistics): New type.
12947 (ggc_get_size): New function.
12948 (ggc_print_statistics): Likewise.
12949 * ggc-common.c (ggc_stats): New variable.
12950 (ggc_mark_rtx_children): Keep statistics.
12951 (ggc_mark_tree_children): Likewise.
12952 (ggc_print_statistics): New function.
12953 * ggc-page.c (struct globals): Add bytes_mapped field.
12954 (alloc_anon): Update it.
12955 (release_pages): Likewise.
12956 (ggc_get_size): New function.
12957 (ggc_page_print_statistics): New function.
12958 * ggc-simple.c (ggc_get_size): New function.
12960 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
12962 * flow.c (propagate_block): When the last reference to a label
12963 before an ADDR_VEC is deleted because the reference is a dead
12964 store, delete the ADDR_VEC.
12966 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
12968 * resource.c (find_free_register): Don't use the frame pointer
12969 if frame_pointer_needed.
12971 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
12973 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
12974 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
12976 * config/i960/i960.c (i960_va_start): New locals base, num.
12977 Use INDIRECT_REF instead of ARRAY_REF on valist.
12978 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
12980 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
12982 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
12984 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
12986 * tree.def (PLACEHOLDER_EXPR): Update comments.
12988 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12990 * c-common.c (check_format_info): Avoid non-literal format string
12991 warnings when `first_arg_num' is zero.
12993 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12995 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
12997 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
12999 * arm.md (casesi_insn): Add a clobber of the condition code
13002 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
13004 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
13005 used by both cc1 and cc1plus.
13007 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
13009 * config/arm/arm.c: Initialise arm_structure_size_boundary to
13010 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
13011 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
13012 to the value 32 if it has not already been defined.
13013 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
13014 Override definition in arm.h with a value of 8.
13016 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
13018 * c-pragma.c (push_alignment): Don't check the return value
13021 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
13023 * sparc.h (ADJUST_COST): Fix thinko.
13025 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
13027 * cccp.c (rescan): Fixed obp pointer handling around call to
13028 check_expand subroutine.
13030 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
13032 * gcse.c (delete_null_pointer_checks): Only record non-null info
13033 for pseudos when examining stores.
13035 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
13036 splitters for these patterns. Use "#" for output templates.
13037 (addsi3_carryin_shift): New pattern.
13039 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
13041 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
13042 of the function return register into a plain REG until
13043 after function inlining is done.
13045 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
13047 * jump.c (jump_optimize_1): If we did cross-jumping, and
13048 the data will matter, rebuild the CFG.
13049 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
13050 not optimizing. Don't run shorten_branches.
13051 * toplev.c (rest_of_compilation): Run shorten_branches after
13054 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
13056 * rtl.h (note_stores): Add additional paramter.
13057 * rtlanal.c (reg_set_p_1): Take additional paramter.
13058 (reg_set_last_1): Likewise.
13059 (reg_set_p): Adjust call to note_stores.
13060 (reg_set_last): Likewise.
13061 (note_stores): Pass data parameter to worker function.
13062 * alias.c (record_set): Take additional parameter.
13063 (init_alias_analysis): Pass it.
13064 * caller-save.c (mark_set_regs): Take additional parameter.
13065 (save_call_clobbered_regs): Pass NULL to note_stores.
13066 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
13068 (record_dead_and_set_regs_1): Likewise.
13069 (reg_dead_at_p_1): Likewise.
13070 (combine_instructions): Adjust calls to note_stores.
13071 (try_combine): Likewise.
13072 (record_dead_insn): Remove.
13073 (record_dead_and_set_regs): Adjust calls to note_stores.
13074 (reg_dead_at_p): Likewise.
13075 * cse.c (invalidate_skipped_set): Take additional parameter.
13076 (cse_check_loop_start): Likewise.
13077 (cse_check_loop_start_value): Remove.
13078 (cse_set_around_loop): Adjust calls to note_stores.
13079 * flow.c (notice_stack_pointer_modification): Take additional
13080 parameter. Remove duplicate declaration.
13081 (record_volatile_insns): Adjust calls to note_stores.
13082 * gcse.c (record_set_info): Take additional parameter.
13083 (record_last_set_info): Likewise.
13084 (invalidate_nonnull_info): Likewise.
13085 (record_set_insn): Remove.
13086 (compute_sets): Adjust calls to note_stores.
13087 (last_set_insn): Remove.
13088 (compute_hash_table): Adjust calls to note_stores.
13089 (insert_insn_end_bb): Likewise.
13090 (delete_null_pointer_checks): Likewise.
13091 * global.c (mark_reg_store): Take additional parameter.
13092 (mark_reg_clobber): Likewise.
13093 (reg_becomes_live): Likewise.
13094 (global_conflicts): Adjust calls to note_stores.
13095 (build_insn_chain): Likewise.
13096 * integrate.c (note_modified_parmregs): Take additional parameter.
13097 (mark_stores): Likewise. Make it static.
13098 (save_for_inline_nocopy): Adjust calls to note_stores.
13099 (try_constants): Likewise.
13100 * integrate.h (mark_stores): Remove declaration.
13101 * jump.c (mark_modified_reg): Take additional parameter.
13102 (thread_jumps): Adjust calls to note_stores.
13103 * local-alloc.c (validate_equiv_mem_from_store): Take additional
13105 (no_equiv): Likewise.
13106 (reg_is_set): Likewise.
13107 (validate_equiv_mem): Adjust calls to note_stores.
13108 (update_equiv_regs): Likewise.
13109 (block_alloc): Likewise.
13110 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
13111 (note_addr_stored): Take additional parameter.
13112 (note_set_pseudo_multiple_uses): Likewise.
13113 (record_initial): Likewise.
13114 (prescan_loop): Adjust calls to note_stores.
13115 (strength_reduce): Likewise.
13116 (check_dbra_loop): Likewise.
13117 * regmove.c (flags_set_1): Take additional paramter.
13118 (mark_flags_life_zones): Adjust calls to note_stores.
13119 * reload1.c (mark_not_eliminable): Take additional parameter.
13120 (forget_old_reloads_1): Likewise.
13121 (reload_cse_invalidate_rtx): Likewise.
13122 (reload_cse_check_clobber): Likewise.
13123 (reload_combine_note_store): Likewise.
13124 (move2add_note_store): Likewise.
13125 (reload): Adjust calls to note_stores.
13126 (reload_as_needed): Likewise.
13127 (emit_reload_insns): Likewise.
13128 (reload_cse_regs_1): Likewise.
13129 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
13130 (reload_combine): Adjust calls to note_stores.
13131 * resource.c (update_live_status): Take additional paramter.
13132 (mark_target_live_regs): Adjust calls to note_stores.
13133 * stupid.c (find_clobbered_regs): Take additional parameter.
13134 (stupid_life_analysis): Adjust calls to note_stores.
13136 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
13138 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
13141 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
13144 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
13145 of the variable arm_structure_size_boundary.
13147 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
13149 * alias.c (init_alias_analysis): Allocate reg_known_value and
13150 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
13152 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
13153 * cse.c (cse_main): Call end_alias_analysis.
13154 * haifa-sched.c (schedule_insns): Likewise.
13155 * local-alloc. (update_equiv_regs): Likewise.
13156 * reload1.c (reload_cse_regs): Likewise.
13158 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13160 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
13161 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
13162 mapping from MASK_FPU.
13164 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
13166 * sparc.md (call): Don't bound structure return size to 0xfff.
13168 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
13170 * resource.c (mark_target_live_regs): Check that the target
13171 insn wasn't created after compute_bb_for_insn.
13173 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
13175 * ggc-page.c (poison_pages): Don't be overzealous.
13177 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
13179 * alias.c: Update comments for ADDRESS.
13180 (nonlocal_reference_p): Look inside the ADDRESS to determine if
13181 it is a local memory reference.
13183 * c-typeck.c (build_function_call): Check that the built-in
13184 function is of class BUILT_IN_NORMAL before trying to recongize
13185 it as BUILT_IN_ABS.
13186 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
13187 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
13189 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
13191 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
13193 (pre_gcse): Likewise.
13194 (hoist_expr_reaches_here_p): Likewise.
13195 (hoist_code): Likewise.
13196 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
13198 (pre_expr_reaches_here_p_work): ... here.
13199 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
13201 (expr_reaches_here_p_work): ... here.
13203 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
13205 * resource.c (find_basic_block): Delete.
13206 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
13207 (init_resource_info): Call compute_bb_for_insn.
13209 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
13211 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
13212 with already adjacent blocks, but no fallthru.
13213 (merge_blocks_move_successor_nojumps): Simplify.
13214 (debug_flow_info): New.
13216 * toplev.c (rest_of_compilation): Open jump1 dump file before
13217 jump and close after, as opposed to just using dump_rtl.
13219 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13221 * reload.h (earlyclobber_operand_p): Declare.
13222 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
13223 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
13224 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
13225 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
13227 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13228 Richard Henderson <rth@cygnus.com>
13230 * emit-rtl.c (emit_block_insn_before): New.
13231 (emit_block_insn_after): New.
13232 * basic-block.h: Declare them.
13234 * bitmap.h: Protect from multiple inclusion.
13236 * recog.c (scratch_operand): Handle VOIDmode correctly.
13238 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
13240 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
13241 * function.c (assign_parms): Likewise.
13242 * global.c (global_conflicts): Clarify STACK_REGS commentary.
13244 * reg-stack.c (max_uid): Remove.
13245 (blocks, block_begin, block_end, block_drops_in): Remove.
13246 (block_stack_in, block_out_reg_set, block_number): Remove.
13247 (struct block_info_def, BLOCK_INFO): New.
13248 (enum emit_where): New.
13249 (current_block): New.
13250 (BLOCK_NUM): Remove.
13251 (mark_regs_pat, record_label_references): Remove.
13252 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
13254 (goto_block_pat, print_blocks, dump_stack_info): Remove.
13255 (reg_to_stack): Simplified test for existance of fp code. Use
13256 flow.c code. Call shorten_branches after cross-jump opt.
13257 (check_asm_stack_operands): Renamed from record_asm_reg_life.
13258 Return false if the asm doesn't use stack regs. Don't do life
13259 analysis on the asm.
13260 (emit_pop_insn): Replace function pointer arg `when' with
13261 enum `where'. Update all callers.
13262 (change_stack): Likewise. Update basic block end.
13263 (emit_swap_insn): Use current_block->head to limit reverse search
13264 for start of block. Use emit_block_insn_after.
13265 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
13266 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
13267 structure assignment instead of bcopy.
13268 (print_stack): New.
13269 (convert_regs_entry, convert_regs_exit): New.
13270 (convert_regs_1, convert_regs_2): Split out from convert_regs.
13271 Work on basic blocks and the CFG.
13272 (convert_regs): Use them.
13274 * i386.c (output_fix_trunc): Remove code for DImode input operand
13275 not at top-of-stack.
13276 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
13278 (fix_truncdi_1): Allow any mode scratch.
13280 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
13282 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
13283 * linux.h, netbsd.h, vms.h: Not here.
13285 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
13287 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
13288 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
13289 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
13290 CONDITIONAL_REGISTER_USEAGE): Use them.
13291 * config/mips/mips.c (mips_move_1word,mips_move_2words,
13292 gen_conditional_branch,override_options) : Use them.
13293 * config/mips/mips.md : Use them.
13295 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
13297 * i386.md (zero_extendqihi2): Use SImode register name with andl.
13299 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
13301 * integrate.c (function_cannot_inline_p): Don't allow inlining
13304 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13306 * c-parse.in (cast_expr): Constify.
13308 * cccp.c (special_symbol): Likewise.
13310 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
13312 * dwarf2out.c (base_type_die): Likewise.
13314 * global.c (allocno_compare): Likewise.
13316 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
13318 * regclass.c (fix_register): Likewise.
13320 * rtl.h (fix_register): Likewise.
13322 * stupid.c (stupid_reg_compare): Likewise.
13324 * toplev.c (decode_f_option): Likewise.
13326 * tree.c (build_complex_type): Likewise.
13328 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
13330 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
13332 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13334 * reload.c (find_reloads): Compute mode and nregs fields of all
13336 * reload1.c (calculate_needs_all_insns): Simplify a bit.
13337 (calculate_needs): Use precomputed mode/nregs values.
13338 (allocate_reload_reg): Likewise.
13340 (failed_reload, set_reload_reg): ... new functions.
13341 (choose_reload_regs_init): New function, mostly broken out from...
13342 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
13343 Also lose one #if 0 block.
13345 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
13347 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
13350 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
13352 * tree.h (BLOCK_TYPE_TAGS): Remove.
13353 (BLOCK_END_NOTE): Likewise.
13354 (BLOCK_LIVE_RANGE_FLAG): Likewise.
13355 (BLOCK_LIVE_RANGE_START): Likewise.
13356 (BLOCK_LIVE_RANGE_END): Likewise.
13357 (tree_block): Remove live_range_flag, live_range_var_flag, and
13358 type_tags. Remove end_note, live_range_start, and live_range_end.
13359 (remember_end_note): Remove prototype.
13360 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
13361 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
13363 * ggc-common.c (ggc_mark_tree_children): Don't mark
13364 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
13365 * integrate.c (adjust_copied_decl_tree): Remove.
13366 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
13367 * stmt.c (last_block_end_note): Remove.
13368 (init_stmt): Don't add a GC root for it.
13369 (expand_fixup): Don't set it.
13370 (remember_end_note): Remove.
13371 (expand_end_bindings): Don't set last_block_end_note.
13373 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13375 * reload1.c (reload_reg_free_for_value_p): Show
13376 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
13379 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
13381 * expmed.c (extract_bit_field): Allow for the case of non-integer
13382 objects that are smaller than a word (like SFmode on a 64-bit
13385 * loop.c (basic_induction_var): A non-integer variable which is
13386 being set by a paradoxical subreg is probably not a biv.
13388 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13390 * prefix.c (translate_name) Check for empty prefix string.
13392 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
13394 * Makefile.in (CPP_CROSS_NAME): New variable.
13395 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
13397 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
13398 names of the files to be uninstalled.
13400 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
13402 * collect2.c (IS_DIR_SEPARATOR): Define.
13403 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
13405 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
13408 * haifa-sched.c (add_dependence): Update the true dependency
13409 cache the first time we add a true dependence to the LOG_LINKS chain.
13411 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
13413 * fold-const.c (fold): Fix comment.
13415 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13417 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
13418 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
13419 dbxout_start_new_source_file, dbxout_source_file,
13420 dbxout_source_line, dbxout_finish, dbxout_type_fields,
13421 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
13423 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
13424 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
13425 (dbxout_block): Initialize variable `blocknum'.
13427 * dbxout.h (dbxout_init, dbxout_finish,
13428 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
13429 dbxout_args, dbxout_source_line): Constify a char*.
13431 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
13432 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
13433 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
13434 low_pc_attribute, high_pc_attribute, body_begin_attribute,
13435 body_end_attribute, comp_dir_attribute, sf_names_attribute,
13436 src_info_attribute, mac_info_attribute, producer_attribute,
13437 lookup_filename, generate_macinfo_entry, fundamental_type_code,
13438 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
13439 dwarfout_undef): Constify a char*.
13440 (add_incomplete_type, retry_incomplete_types): Add prototypes.
13442 * dwarfout.h (dwarfout_define, dwarfout_undef,
13443 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
13445 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
13447 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
13448 (MULTILIB_ISA_DEFAULT): New.
13449 (MULTILIB_DEFAULTS): Use it.
13450 * config/mips/mips.c (): Remove the now unnecessary definition
13451 of MIPS_ISA_DEFAULT.
13452 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
13453 unnecessary definition.
13455 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
13457 * arm.md (pic_load_addr): Add constraints to operand 1.
13459 1999-10-25 Bruce Korb <autogen@linuxbox.com>
13461 * fixinc/genfixes: Provide a means for specifying -D options to
13464 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
13466 * arm.c (arm_override_options): Correct initialization of
13467 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
13468 arm_is_strong, and arm_is_6_or_7.
13470 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
13471 (note_set_pseudo_multiple_uses): New function.
13472 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
13473 if a pseudo set in the loop exit is used elsewhere.
13475 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
13477 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
13479 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
13481 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
13482 a single load-address pattern.
13484 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
13486 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
13487 depending on whether or not line-number notes are present.
13489 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13491 * cccp.c (progname, file_buf, default_include, include_file,
13492 macrodef, definition, hashval, wchar_type, user_label_prefix,
13493 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
13494 expand_to_temp_buffer, is_system_include, base_name,
13495 absolute_filename, read_name_map, open_include_file,
13496 record_control_macro, check_precompiled, check_preconditions,
13497 pcfinclude, pass_thru_directive, create_definition,
13498 check_macro_name, comp_def_part, collect_expansion,
13499 check_assertion, read_token_list, assertion_install,
13500 assertion_lookup, eval_if_expression, conditional_skip,
13501 validate_else, skip_quoted_string, quote_string, macarg1,
13502 error_from_errno, install, lookup, hashf, dump_defn_1,
13503 perror_with_name, pfatal_with_name, main, trigraph_pcp,
13504 check_white_space, rescan, handle_directive, monthnames,
13505 special_symbol, do_include, remap_include_file, write_output,
13506 arglist, do_assert, do_unassert, do_line, do_error, do_once,
13507 do_ident, do_sccs, do_xifdef, skip_if_group,
13508 output_line_directive, macroexpand, macarg, change_newlines,
13509 initialize_builtins, make_definition): Constify a char*.
13511 * pcp.h (stringdef): Likewise.
13513 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
13515 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
13518 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
13519 Richard Henderson <rth@cygnus.com>
13521 * alias.c: Include ggc.h.
13522 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
13523 (record_set): Verify enough room in reg_base_value.
13524 (init_alias_analysis): Allocate reg_base_value with xcalloc.
13525 Register it as a GC root.
13526 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
13527 * Makefile.in (alias.o): Depend on ggc.h.
13529 * unroll.c (unroll_loop): Verify the insn before a barrier
13530 is a JUMP_INSN before checking JUMP_LABEL.
13532 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13534 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
13535 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
13536 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
13537 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
13538 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
13539 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
13541 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13543 * output.h (ctors_section, dtors_section, bss_section): Prototype.
13545 * alpha/alpha-interix.h (text_section): Delete prototype.
13546 * alpha/elf.h (text_section): Likewise.
13547 * arm/linux-elf.h (text_section): Likewise.
13548 * arm/linux-telf.h (text_section): Likewise.
13549 * c4x/c4x.h (text_section): Likewise.
13550 * dsp16xx/dsp16xx.h (bss_section): Likewise.
13551 * elfos.h (text_section): Likewise.
13552 * i386/aix386ng.h (text_section): Likewise.
13553 * i386/i386-interix.h (text_section): Likewise.
13554 * i386/sco5.h (text_section): Likewise.
13555 * i386/svr3gas.h (text_section): Likewise.
13556 * nextstep.h (text_section): Likewise.
13557 * psos.h (text_section): Likewise.
13558 * ptx4.h (text_section): Likewise.
13559 * svr3.h (text_section): Likewise.
13560 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
13562 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13564 * final.c (peephole): Delete prototype.
13566 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
13567 (pre_insert_copies): Remove unused variable `bb'.
13569 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
13572 * output.h (peephole): Add prototype.
13574 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
13576 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
13579 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
13581 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
13582 for inlined declarations.
13584 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
13586 * arm.c (logical_binary_operator): New fucntion.
13587 * arm.h (logical_binary_operator): Declare it.
13588 (PREDICATE_CODES): Handle logical_binary_operator.
13589 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
13590 output constraints. Add appropriate splitters.
13591 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
13592 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
13593 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
13595 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13597 * genoutput.c (struct operand_data): New elt eliminable.
13598 (output_operand_data): Write it.
13599 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
13600 (compare_operands): Take it into account.
13601 * recog.h (struct insn_operand_data): New elt eliminable.
13602 * reload1.c (check_eliminable_occurrences, elimination_effects): New
13604 (old_asm_operands_vec, new_asm_operands_vec): Delete.
13605 (eliminate_regs): Move code that detects changes to elimination
13606 target regs into new function elimination_effects.
13607 Delete one #if 0 block.
13608 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
13609 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
13610 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
13611 Only call eliminate_regs for real operands of the insn, not for parts
13612 of its structure or parts matched by things like match_operator.
13613 Use elimination_effects and check_eliminable_occurrences. Use
13614 copy_insn to duplicate the pattern when not in the final pass.
13616 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
13618 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
13621 1999-10-22 Bruce Korb <autogen@linuxbox.com>
13623 * fixinc/README: document the "mach" machine matching test
13624 * fixinc/fixfixes.c: Implement the #else/#endif label fix
13625 * fixinc/fixtests.c: Implement the #else/#endif label test
13626 * fixinc/inclhack.def: utilize these tests and fixes
13627 * fixinc/inclhack.sh: regen
13628 * fixinc/fixincl.x: regen
13629 * fixinc/fixincl.sh: regen
13631 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
13633 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
13636 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
13638 * gcc.1: Document exit codes.
13640 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13642 * calls.c: Include tm_p.h later, so everything we need is defined.
13643 * expr.c: Likewise.
13644 * function.c: Likewise.
13646 * except.c: Include tm_p.h.
13648 * sparc.c: Likewise.
13649 (dwarf2out_cfi_label): Don't prototype.
13650 (check_return_regs, epilogue_renumber,
13651 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
13652 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
13653 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
13654 ultra_schedule_insn): Add static prototype.
13655 (data_segment_operand, text_segment_operand): Call itself with the
13656 proper number of arguments.
13657 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
13659 * sparc.h: Move all declarations to sparc-protos.h.
13660 (SELECT_RTX_SECTION): Pass a missing MODE argument to
13663 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
13665 * config/svr4.h (text_section, ctors_section, dtors_section): Add
13667 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
13668 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13669 ASM_OUTPUT_ASCII): Constify a char*.
13671 * sparc-protos.h: New file for sparc prototypes.
13673 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13675 * function.c (record_insns, contains): Always declare and define.
13676 (record_insns): Mark with ATTRIBUTE_UNUSED.
13678 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
13680 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
13681 to .section when outputting a .bss section to deal with multiple
13682 .bss input sections (as happens with -fdata-sections)
13683 Also output %progbits, not @progbits so the assembler doesn't treat as
13685 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
13687 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
13688 thumb parts even when building with non-thumb CPUs, by forcing
13691 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
13693 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
13694 (movdf_const_intreg_sp64): Similarly.
13696 * local-alloc.c (update_equiv_regs): Check the correct insn
13697 for pre-existing REG_EQUIV notes.
13699 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
13701 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
13702 block reached by a branch if we're not going to actually process
13705 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
13707 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
13708 a local extern function declaration.
13710 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
13712 * i386.c (ix86_expand_prologue): Properly wrap USE around
13713 reg for CALL_INSN_FUNCTION_USAGE.
13715 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
13717 * config/mips/mips.md (movdf_internal1a): Allow floating-point
13718 move between GP_REGs.
13720 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
13722 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
13723 the mode size when finding out if an offset is legal.
13725 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
13727 * basic-block.h (PROP_*): Move constants from ...
13728 * flow.c: ... here.
13729 (compute_bb_for_insn): Free the array before reallocating.
13730 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
13731 (allocate_reg_life_data): Reset all reg variables collected by
13733 (get_block_head_tail): Don't convert from bb to block.
13734 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
13735 (find_insn_reg_weight): Take block not bb.
13736 (schedule_block): Don't set block num for moved insns.
13737 (schedule_region): Don't update_life_info or find_insn_reg_weight.
13738 (schedule_insns): Do it here instead.
13739 * combine.c (combine_instructions): Invoke compute_bb_for_insn
13740 before update_life_info.
13741 * recog.c (split_all_insns, peephole2_optimize): Update for
13742 new arg to update_life_info.
13743 * rtlanal.c (remove_note): Cope with NULL note.
13744 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
13747 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
13749 * jump.c (jump_optimize_1): More accurately detect casesi insns.
13751 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
13752 block records so that merge_blocks_nomove will clean up correctly.
13753 (split_edge): Handle casesi insns.
13755 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
13757 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
13759 * pa.md (call, call_value): Do not emit a blockage after restoring
13762 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
13764 * c-typeck.c (c_expand_asm_operands): Fix typo.
13766 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13768 * arm.c (fpu_rhs_operand): Verify modes.
13769 (fpu_add_operand): Likewise.
13770 (di_operand): Likewise.
13771 (soft_df_operand): Likewise.
13773 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
13775 * arm.c (arm_return_in_memory): APCS rules state that the elements
13776 of a structure returned in a register must be 'integer-like'.
13778 1999-10-19 Bruce Korb <autogen@linuxbox.com>
13780 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
13781 in the source tree when the generated targets are out of date
13782 * fixinc/genfixes: Alter it to run individual fixes for make.
13783 * fixinc/README: rewrite
13784 * fixinc/inclhack.def: moved initial comments to README
13786 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
13788 * toplev.c (main): Do not generate an error message if an
13789 unrecognised command line switch is recognisable by another
13790 language. If extra_warnings are enabled, then generate a
13791 warning message instead.
13793 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
13795 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
13796 (insert_pack_attributes): Delete prototype.
13798 * c-pragma.c (default_alignment): New static variable.
13799 (push_alignment): Initialize to current effective alignment.
13800 (pop_alignment): Use to set new alignment.
13801 (insert_pack_attributes): Delete function.
13802 (handle_pragma_token): Set default_alignment as well each time
13803 a #pragma pack(<n>) is encountered.
13805 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
13807 * reg-stack.c (stack_result): Aggregates are not returned in
13810 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
13812 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
13814 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
13816 * basic-block.h (set_block_num): Declare.
13817 * flow.c (update_life_info): Don't call compute_bb_for_insn
13818 or free_basic_block_vars.
13819 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
13820 (insn_orig_block): Remove.
13821 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
13822 (schedule_block): Keep BLOCK_NUM up-to-date.
13823 (schedule_insns): Use compute_bb_for_insn.
13824 * recog.c (split_all_insns): Likewise.
13825 (peephole2_optimize): Likewise.
13827 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
13829 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
13830 if the pic register is used.
13832 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13834 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
13835 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
13836 if that tests TREE_PERMANENT.
13838 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
13840 * cse.c (invalidate_for_call): Do not remove memory references from
13841 the table here. It's handled elsewhere.
13843 * haifa-sched.c (add_dependence): Protect references to the
13844 true dependency cache with #ifdef INSN_SCHEDULING.
13845 (remove_dependence): Similarly.
13847 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
13848 to the cfg code that this is a return instruction.
13849 * mn10300.md (return_internal): Similarly.
13851 * combine.c (get_last_value): If the last set of a register
13852 is after subst_low_cuid, then we can not use it to determine
13853 the register's last value.
13855 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
13857 * Makefile.in: Back out previous change.
13859 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
13861 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
13863 * haifa-sched.c (add_dependence): Only check/update the cache
13865 (remove_dependence): Likewise.
13866 (schedule_insns): Only create the true_dependency_cache if the
13867 average number of instructions in a basic block is very large.
13869 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
13871 * Makefile.in (ggc-common.o): Depend on genrtl.h.
13872 (ggc-simple.o): Likewise.
13873 (ggc-page.o): Likewise.
13875 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
13877 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
13878 Prototype for exported functions.
13879 (pre_lcm, pre_rev_lcm): Remove prototypes.
13880 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
13881 (compute_available): Move to lcm.c, and change parameter order.
13882 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
13883 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
13884 (gcse_main): No longer call compute_preds_succs. Rebuild the
13885 set table after reach pre pass.
13886 (pre_insert_map, pre_delete_map, edge_list): New.
13887 (alloc_pre_mem): Allocate edge vectors.
13888 (free_pre_mem): Delete edge vectors.
13889 (compute_pre_data): Call new edge based lcm routines.
13890 (process_insert_insn): New function.
13891 (insert_insn_end_bb): Use it.
13892 (pre_edge_insert): New function.
13893 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
13895 (pre_insert_copies): Revamp using new edge based lcm outputs.
13896 (pre_delete): Likewise.
13897 (one_pre_gcse_pass): Insert & remove fake edges to the exit
13899 (compute_code_hoist_vbeinout): New new edge based routines.
13900 * lcm.c: Remove all the old LCM functions. Replace with new ones
13901 that work with the new cfg datastructures and work with edges
13904 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13906 * reload.h (struct reload): Add new fields "mode" and "nregs".
13907 * reload1.c: Change all occurrences of reload_mode and reload_nregs
13908 to reference the "mode" and "nregs" field within struct reload.
13910 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
13912 * haifa-sched.c (true_dependency_cache): New.
13913 (add_dependence): Use the true dependency cache to avoid expensive
13914 walks down the LOG_LINKS dependency list. Add entries to the
13915 cache as necessary.
13916 (remove_dependence): Remove entries from the true dependency cache
13918 (schedule_insns): Allocate and initialize and free the true
13921 * haifa-sched.c (schedule_insns): Do not remove inter-block
13922 dependencies anymore.
13924 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
13926 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
13927 * i386/t-winnt: Likewise.
13929 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
13931 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
13933 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
13935 * Makefile.in (LANGUAGES): Omit "proto".
13936 (clean): Remove stale comment about removing unprotoize.c.
13938 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13940 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
13941 using arithmetic on void pointers.
13943 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
13945 * haifa-sched.c (compute_block_forward_dependencies): Only check
13946 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
13948 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
13950 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
13951 (expr_equiv_p): Reject memories with different alias sets.
13953 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
13955 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
13956 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
13957 (f_options): Add "bounded-pointers" and "bounds-check" entries.
13958 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
13959 (lang_init): Set default for flag_bounds_check if still "unspecified".
13961 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13963 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
13965 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13967 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
13970 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13972 * config/c4x/c4x.md (*db_noclobber,
13973 *decrement_and_branch_until_zero_noclobber): New patterns and
13974 associated splitters.
13976 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13978 * config/c4x/c4x.md (parallel instruction patterns): Rework
13979 constraints to keep reload happy.
13981 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13983 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
13984 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
13985 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
13986 Add new patterns and associated post-reload splitters.
13988 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13990 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
13992 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13994 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
13996 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
13998 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14000 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
14003 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
14005 * pa.c (move_operand): Rely on memory_address_p to determine the
14006 validity of non-indexed memory addresses.
14007 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
14008 operand in DFmode and SFmode when generating PA2.0 code.
14010 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
14012 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
14014 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
14016 * mips.c (function_prologue): Fix argument types.
14017 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
14018 (casesi_internal): Write to the scratch register.
14020 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
14022 * cppexp.c (cpp_parse_escape): Make static. Change second arg
14024 (parse_charconst): Delete unnecessary cast when calling
14026 (cpplib.h): Kill prototype of cpp_parse_escape.
14028 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
14030 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
14031 * unroll.c (unroll_loop): Cast return value of alloca.
14032 * i370/i370.c: Include function.h and toplev.h.
14033 (i370_label_scan): Remove c++ commented abort.
14034 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
14035 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
14036 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
14037 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
14039 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
14041 * config/t-freebsd: Do not override USER_H.
14042 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
14044 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
14045 Mumit Khan <khan@xraylith.wisc.edu>
14047 * c-parse.in (component_decl): Support anonymous struct/union.
14049 * c-parse.y: Regenerate.
14050 * c-parse.c: Likewise.
14051 * objc/objc-parse.y: Likewise.
14052 * objc/objc-parse.c: Likewise.
14053 * c-decl.c (finish_struct): Don't sort the fields.
14054 (field_decl_cmp): Delete unused function.
14056 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
14058 * sparc.md (movsf_const_intreg): Revert last constraint change.
14059 (movdf_const_intreg_sp32): Likewise.
14061 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
14063 * cse.c: Include hashtab.h instead of splay-tree.h
14064 (struct cse_reg_info): No longer use variant union. Add new
14065 field "regno". All references changed to avoid union.
14066 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
14067 (free_cse_reg_info): Remove.
14068 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
14069 (get_cse_reg_info): Revamp to use expandable hash tables instead
14070 of splay trees. Initialize new fields in cse_reg_info structure.
14071 (new_basic_block): Similarly.
14073 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
14075 * genrecog.c (message_with_line): Prototype.
14076 (validate_pattern): Pass along the set for the dest, not a flag.
14077 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
14078 Check for PC/CC0 as sources.
14079 (nodes_identical): Check for children position match before
14080 allowing the combination.
14082 * rtl.c (read_rtx): Track line number across \\\n.
14084 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
14086 * mips.h (SPECIAL_MODE_PREDICATES): New.
14087 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
14088 (movdi+1, movsi+1): Add output reload constraint.
14089 (casesi_internal): Likewise. Fix commentary.
14090 (return_internal): Use pmode_register_operand.
14092 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
14094 * 1750a.md (movstrqi): Add missing output reload constraint.
14095 (call_value): Likewise.
14096 * a29k.md (cpxxx patterns): Add missing match_operator mode.
14097 (jmpfdec): Add missing inout reload constraint.
14098 * elxsi.md (addsi patterns): Add missing output reload constraint.
14099 (move from sp): Use @ alternates.
14100 (call_value): No constraint on output.
14101 * fr30.md (movsi_pop): Add missing output reload constraint.
14102 (movsf_constant_store): Likewise.
14103 (splits): Remove constraints.
14104 (subsi3): Add missing mode.
14105 * i370.md (cmpstrsi+1): Add missing output reload constraint.
14106 (call_value): Likewise.
14107 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
14108 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
14109 * m32r.md (movsicc_internal): Add output reload constraint.
14110 (movstrsi_internal): Add inout reload constraints.
14111 * m88k.h (reg_names): Don't declare.
14112 (SPECIAL_MODE_PREDICATES): New.
14113 * m88k.md (*): Use register_operand not reg_or_0_operand
14115 * mn10200.h (PREDICATE_CODES): New.
14116 * ns32k.md (ffs pattern): Add output reload constraint.
14117 * pdp11.md (sob pattern): Add inout reload constraint.
14118 * sh.md (splits): Remove constraints.
14119 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
14120 * v850.md (pattern_is_ok_for_epilogue): Likewise.
14121 * vax.md (jgequ pattern): Add inout reload constraint.
14123 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
14125 * configure.in (djgpp): Revert previous patch.
14126 * configure: Rebuit.
14127 * config/i386/djgpp.h: Revert previous patch.
14129 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
14131 * fixinc/inclhack.def: Restore patch lost during last merge of
14132 "no_bogosity" branch.
14133 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
14135 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
14137 * fixincludes: Add a HPUX 11 fix for inttypes.h.
14138 * fixinc/inclhack.def: Same.
14139 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
14141 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
14143 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
14144 as the base of a PLUS.
14146 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14148 * config/c4x/c4x.md: Define mode for remaining unspec operators.
14149 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
14151 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
14153 * pa.md (post_stw+1): Use pmode_register_operand.
14154 (dcacheflush, icacheflush): Likewise.
14156 * i386.md (movstricthi_1): Allow r/r.
14158 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
14160 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
14161 to (not (and (arg0) (arg1))). Similary for and.
14163 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
14164 fallthrough to associate code.
14165 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
14168 * combine.c (simplify_logical): Convert XOR to IOR if operands have
14169 no bits in common; remove XOR to ROTATE conversion.
14171 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14173 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
14175 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14177 * config/c4x/c4x.c (dst_operand): New.
14178 (PREDICATE_CODES): Update.
14179 * config/c4x/c4x.h (dst_operand): Declare it.
14180 * config/c4x/c4x.md: Define mode for each unspec usage.
14181 (move patterns): Use dst_operand predicate instead of src_operand.
14182 (movqi_update, movqf_update): Delete.
14184 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
14186 * recog.c (pmode_register_operand): New.
14187 * recog.h: Declare it.
14188 * genrecog.c (pred_codes): Likewise.
14189 (special_mode_pred_table): Likewise.
14190 (validate_pattern): Don't warn no mode for address_operand.
14192 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
14193 if the operand is not insn-like.
14195 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
14196 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
14198 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
14200 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
14202 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
14203 instead of general_operand in a SET_DEST. Use const_double_operand
14204 instead of an explicit test against CONST_DOUBLE.
14205 (movsf_const_lo): Add missing register mode.
14206 (goto_handler_and_restore): Add auxiliary test for Pmode.
14207 (flush): Adjust to use address_operand.
14208 (return_sf_no_fpu): Add missing output constraint.
14210 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
14212 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
14213 for call return value.
14214 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
14216 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
14218 * toplev.c (main): Only warn about options for other languages.
14219 * collect2.c (main): Pass -w to sub-gcc.
14221 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
14223 * flow.c (propagate_block): Add call-clobbered registers to
14226 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
14227 zapping mem_set_list.
14228 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
14229 (mark_set_1, mark_used_regs): Likewise.
14231 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
14233 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
14235 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14237 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
14238 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
14239 options. Also add a new item "C-only Warning Options" to the
14242 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
14244 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
14245 from multiple calls.
14247 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
14249 * i386.md (call value patterns): Move to the end of the file.
14250 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
14252 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
14254 * configure.in (djgpp configuration): Define extra_objects..
14255 * configure: Rebuilt.
14256 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
14257 (DTORS_SECTION_ASM_OP): Define.
14258 (INIT_SECTION_ASM_OP): Define.
14259 (FINI_SECTION_ASM_OP): Define.
14260 (DATA_SECTION_ASM_OP): Define.
14261 (TEXT_SECTION_ASM_OP): Define.
14262 (EH_FRAME_SECTION_ASM_OP): Define.
14263 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
14264 (STARTFILE_SPEC): Add crtbegin.o.
14265 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
14266 to here from LINK_COMMAND_SPEC.
14267 (DO_GLOBAL_CTORS_BODY): Define.
14268 (CRTSTUFF_USE_FINI_SECTION): Define
14269 (HAS_INIT_SECTION): Delete.
14271 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
14273 * Makefile.in (all.cross): Depend on xcpp$(exeext).
14275 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
14277 * pa.h (PREDICATE_CODES): New.
14279 * genrecog.c (validate_pattern): Condense the destination
14280 non-lvalue message.
14282 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
14284 * alpha.md (call-1): Supply missing mode for operator.
14285 (*): Add missing output reload constraints. Remove constraints
14286 from define_splits.
14288 * i386.h (SPECIAL_MODE_PREDICATES): New.
14289 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
14290 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
14291 (addsi_lea_3): Add missing mode for op 3.
14292 (prologue_set_got, prologue_get_pc): Add missing modes.
14293 (*) Add missing output reload constraints.
14295 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
14297 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
14298 check for member bit-size overflow and use var_size if it occurs.
14299 (layout_record): Use bitsize_int() to define the type size in bits.
14300 Likewise for computation and assignment to DECL_FIELD_BITPOS.
14301 (layout_decl): Likewise when assigning to DECL_SIZE.
14303 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
14305 * genrecog.c (validate_pattern): Typo last change. Verify
14306 that output operands have output reloads.
14308 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
14310 * genrecog.c (special_mode_pred_table): New.
14311 (NUM_SPECIAL_MODE_PREDS): New.
14312 (find_operand): New.
14313 (validate_pattern): New argument `insn'. Warn for assignment to
14314 any predicate accepting non-lvalues. Conditionaly warn for
14315 match_operand without a mode. Try much harder to match source
14316 and destination modes on a set.
14317 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
14319 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
14321 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
14323 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
14325 * combine.c (simplify_logical): Recognize xor pattern that encodes
14328 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14330 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
14333 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
14335 * ggc-page.c (MAP_FAILED): Provide default.
14337 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
14339 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
14340 * sparc.h (PREDICATE_CODES): Update.
14342 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
14344 * alpha.c (some_ni_operand): New.
14345 * alpha-protos.h: Declare it.
14346 * alpha.h (PREDICATE_CODES): Update.
14347 * alpha.md (sXaddq reload insns): Use some_ni_operand
14348 for SET_DEST instead of some_operand.
14350 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
14351 Jim Wilson <wilson@cygnus.com>
14353 * genrecog.c (maybe_both_true_2): Don't compare modes of
14355 (process_tree): Elide peephole2_insns. Invoke simplify_tests
14356 after find_afterward.
14357 (debug_decision_1): Dump next and afterward codes.
14359 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
14361 * rtl.c (dump_and_abort): Remove.
14362 (fatal_with_file_and_line): New.
14363 (fatal_expected_char): New.
14364 (read_rtx_lineno, read_rtx_filename): New.
14365 (read_skip_spaces): Track line number.
14366 (read_name): Use fatal_with_file_and_line.
14367 (read_rtx): Use fatal_expected_char. Track line number.
14368 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
14370 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
14371 if it isn't a CODE_LABEL.
14373 * genattr.c (main): Set read_rtx_filename.
14374 * genattrtab.c (main): Likewise.
14375 * gencodes.c (main): Likewise.
14376 * genconfig.c (main): Likewise.
14377 * genemit.c (main): Likewise.
14378 * genextract.c (main): Likewise.
14379 * genflags.c (main): Likewise.
14380 * genopinit.c (main): Likewise.
14381 * genoutput.c (main): Likewise.
14382 * genpeep.c (main): Likewise.
14384 * genrecog.c (decision_test.u.insn): Add `lineno'.
14385 (pattern_lineno, error_count): New variables.
14386 (message_with_line): New.
14387 (add_to_sequence): Break out checking code to ...
14388 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
14389 (merge_insn): Use message_with_line.
14390 (make_insn_sequence): Use validate_pattern. Record insn lineno.
14391 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
14393 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14395 * expr.c (store_constructor): Clear union if constructor is empty.
14397 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
14399 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
14400 Add !endian checks. Change %{...} to %(...).
14402 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
14404 * i386.md (*addsi3_cc): Renamed from addcsi3.
14405 (*addsi3_carry): Renamed from addxsi3.
14406 (*subsi3_cc): Renamed from subcsi3.
14407 (*subsi3_carry): Renamed from subxsi3.
14408 (*xorqi_cc_1): Renamed from xorcqi_1.
14409 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
14410 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
14412 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
14414 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
14415 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
14417 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
14419 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
14420 climb up the chain of insns.
14422 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
14424 * genrecog.c (write_subroutine): Careful for null trees.
14425 (process_tree): Don't elide empty functions.
14427 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
14429 * Makefile.in (genrtl.o): Depend on ggc.h.
14430 * configure.in (valloc): Probe for it.
14431 (with-gc): Use ggc-page if valloc present.
14432 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
14433 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
14434 (ggc_alloc_string): Moved from ggc-page.c.
14435 * ggc-none.c (ggc_alloc_obj): New.
14436 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
14437 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
14438 (struct globals): Likewise for dev_zero_fd.
14439 (init_ggc): Likewise for it's initialization.
14440 (ggc_allocated_p): Move careful dereference from ...
14441 (ggc_lookup_page_table): ... here. Delete.
14442 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
14443 (alloc_anon): Use valloc if no mmap.
14444 (release_pages): Use free if using valloc.
14445 (ggc_alloc_obj): Renamed from alloc_obj.
14446 (ggc_set_mark): Renamed from mark_obj.
14447 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
14448 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
14449 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
14450 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
14451 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
14452 (ggc_collect): Use fp printing instead of our own rounding.
14453 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
14454 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
14455 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
14456 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
14457 (struct ggc_string, struct ggc_any): Delete.
14458 (offsetof): Provide default definition.
14459 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
14461 (struct ggc_mem): New, from corpse of ggc_any.
14462 (struct ggc_status): Delete.
14463 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
14464 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
14465 (n_strings_collected, n_anys_collected): Delete.
14466 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
14467 (ggc_alloc_string, ggc_alloc): Delete.
14468 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
14469 (ggc_free_string, ggc_free_any): Delete.
14470 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
14471 (ggc_compare_addresses, ggc_mark_string): Delete.
14472 (ggc_mark_string_if_gcable, ggc_mark): Delete.
14473 (search_data): Delete.
14474 (struct globals): New.
14475 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
14476 (tree_insert, tree_lookup): New.
14477 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
14478 (clear_marks, sweep_objs): New.
14479 (ggc_collect): Gut. Use clear_marks, sweep_objs.
14480 (init_ggc): Set allocated_last_gc.
14481 (ggc_push_context): Gut. Use G.context.
14482 (ggc_pop_context): Likewise.
14483 (ggc_pop_context_1): New.
14484 (debug_ggc_tree): New.
14485 (debug_ggc_balance, tally_leaves): New.
14486 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
14487 (ggc_mark_string_if_gcable): Remove decl.
14488 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
14489 (ggc_mark_rtvec_children): New.
14490 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
14491 (ggc_mark_if_gcable): New decl.
14492 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
14493 (ggc_alloc_tree, ggc_alloc): Likewise.
14494 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
14495 (ggc_alloc_obj): New decl.
14496 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
14497 (ggc_alloc_tree, ggc_alloc): Likewise.
14498 (ggc_set_mark): New decl.
14499 * rtl.h (struct rtx_def): Remove gc_mark.
14500 (struct rtvec_def): Likewise.
14501 * tree.h (struct tree_common): Likewise.
14503 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
14505 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
14506 float_format and thread_file definitions.
14507 * configure: Rebuilt.
14509 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
14511 * extend.texi (Function Names): Document types of function names.
14513 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14515 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
14516 an earlyclobbered output conflict with RELOAD_INPUT reloads.
14518 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14520 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
14522 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14524 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
14526 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
14528 * collect2.c (main): Do prelimnary link on AIX if rflag.
14530 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14532 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
14533 __CTOR_LIST__ in opposite order, which is the correct order for sorted
14535 (__do_global_dtors): similarly for __DTOR_LIST__.
14537 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14538 Diego Novillo <dnovillo@cygnus.com>
14540 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
14543 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
14545 * fixincl/*: Merged "no_bogosity" branch
14546 * fixincl/fixlib.h: protect against doubly defining t_bool
14547 * fixincl/server.h: protect against doubly defining t_bool
14549 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
14551 * genoutput.c: Include toplev.h.
14553 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
14555 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
14557 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
14558 * configure: Regenerate.
14560 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
14562 * gcse.c (delete_null_pointer_checks): Returns void.
14564 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14566 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
14567 * emit-rtl.c (copy_insn_1): Likewise.
14569 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
14571 * config/mips/mips.c (mips_build_va_list): Correct
14572 TREE_CHAIN setting when hard-float.
14573 (mips_va_start): Use corrected setting.
14574 (mips_va_arg): Likewise. Also pass a tree to build of
14575 POSTINCREMENT_EXPR rather than a naked 'int'.
14577 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
14579 * ggc.h (ggc_push_context): Fix comment.
14580 (ggc_pop_context): Likewise.
14581 (mark_string_if_gcable): Likewise.
14582 * ggc-common.c (ggc_mark_rtx_children): Use
14583 ggc_mark_string_if_gcable.
14584 * ggc-page.c (ggc_lookup_page_table): New function.
14585 (ggc_allocated_p): Likewise.
14586 (mark_obj): Fix formatting.
14587 (ggc_mark_string_if_gcable): New function.
14588 * ggc-simple.c (ggc_allocated_strings): New variable.
14589 (ggc_strings_used): Likewise.
14590 (ggc_compare_addresses): New function.
14591 (ggc_pop_context): Pop the `any' memory too.
14592 (ggc_mark_string_if_gcable): New function.
14593 (ggc_collect): Initialize and tear down ggc_allocated_strings.
14595 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
14597 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
14598 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
14599 * rs6000.c (expand_block_move): Match movstrsi_?reg register
14602 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
14604 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
14605 (sched_reg_live_length, sched_reg_basic_block): Delete.
14606 (current_block_num, bb_live_regs, old_live_regs): Delete.
14607 (dead_notes, struct sometimes): Delete.
14608 (sched_note_set, birthing_insn_p): Delete.
14609 (adjust_priority): Gut useless reg lifetime code.
14610 (create_reg_dead_note, attach_deaths): Delete.
14611 (attach_deaths_insn, new_sometimes_live): Delete.
14612 (finish_sometimes_live): Delete.
14613 (find_pre_sched_live, find_post_sched_live): Delete.
14614 (update_reg_usage): Delete.
14615 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
14616 (schedule_insns): Delete reg lifetime code.
14617 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
14618 (unlink_other_notes): Adjust REG_NOTE commentary.
14619 (reemit_notes): Use REG_SAVE_NOTE.
14620 (schedule_block): Likewise.
14621 (schedule_region): Allocate bitmap of blocks in region. Use
14622 count_or_remove_death_notes. Use update_life_info.
14624 * rtl.h (REG_SAVE_NOTE): New.
14625 * rtl.c (reg_note_name): Update.
14627 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
14629 * combine.c (refresh_blocks, need_refresh): New.
14630 (combine_instructions): Allocate refresh_blocks. Invoke
14631 update_life_info if needed.
14632 (distribute_notes): Mark refresh_blocks instead of installing
14634 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
14635 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
14637 * Makefile.in (recog.o): Depend on basic-block.h.
14639 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
14641 * genrecog.c (add_to_sequence): Thinko last change: delete
14642 shadowing allow_const_int variable.
14644 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14646 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
14647 __GNUC__ and __GNUC_MINOR__.
14649 * gansidecl.h: Likewise.
14655 * toplev.h: Likewise.
14657 * tree.c: Likewise.
14659 * tree.h: Likewise.
14661 * varray.c: Likewise.
14663 * varray.h: Likewise.
14665 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14667 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
14668 use one before a jump table.
14670 * rtl.def (ADDRESS): Change documentation to match reality.
14671 * md.texi: Don't document it.
14672 * gmicro.md (load address pattern): Use 'p' constraint, delete use
14675 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
14677 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
14679 * genrecog.c (add_to_sequence): Move allow_const_int test outside
14680 known predicate block; default allow_const_int true.
14681 (debug_decision_list): New.
14683 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
14685 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
14687 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
14689 * gcse.c (gcse_main): Avoid global optimizations if we have a
14690 large number of basic blocks and the ratio of edges to blocks
14692 (delete_null_pointer_checks): Likewise.
14694 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
14696 * c-common.c (check_format_info): Warn if format string isn't a
14699 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14701 * configure.in (arm*-*-*): Don't let autoconf remove brackets
14702 * configure: regenerate
14704 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
14706 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
14707 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
14708 (peepholes): Re-enable.
14710 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
14712 * Makefile.in (flow.o): Depend on TREE_H.
14713 * basic-block.h (REG_SET_EQUAL_P): New.
14714 (XOR_REG_SET): New.
14715 (n_edges): Declare.
14716 (free_regset_vector): Remove declaration.
14717 (flow_delete_insn_chain): Declare.
14718 (enum update_life_extent): New.
14719 (update_life_info, count_or_remove_death_notes): Declare.
14720 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
14721 Verify register live at bb->global_live_at_start before adding USE.
14722 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
14723 (CLEAN_ALLOCA): New.
14725 (PROP_*): New flags.
14726 (find_basic_blocks_1): Use alloc_EXPR_LIST.
14727 (clear_edges): Zero n_edges.
14728 (make_edge): Increment n_edges.
14729 (split_edge): Don't allocate bb->local_set. Increment n_edges.
14730 (flow_delete_insn_chain): Export.
14731 (delete_block): Decrement n_edges.
14732 (merge_blocks_nomove): Likewise.
14733 (life_analysis): Give life_analysis_1 PROP flags.
14734 (verify_wide_reg_1, verify_wide_reg): New.
14735 (verify_local_live_at_start): New.
14736 (update_life_info): Rewrite to call into propogate_block.
14738 (mark_regs_live_at_end): After reload, if epilogue as rtl,
14739 always mark stack pointer. Conditionally mark PIC register.
14740 After reload, mark call-saved registers, return regsiters.
14741 (life_analysis_1): Accept PROP flags not remove_dead_code.
14742 Call mark_regs_live_at_end before zeroing regs_ever_live.
14743 Use calculate_global_regs_live. Copy global_live_at_end before
14744 calling final propagate_block. Zero reg_next_use on exit.
14745 (calculate_global_regs_live): New.
14746 (allocate_bb_life_data): Don't allocate bb->local_set.
14747 (init_regset_vector, free_regset_vector): Remove.
14748 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
14749 Test flags before every operation. Warn if prologue/epilogue insn
14750 would have been deleted.
14751 (mark_set_regs, mark_set_1): Accept and use FLAGS.
14752 Use alloc_EXPR_LIST.
14753 (mark_used_regs): Accept and use FLAGS, not FINAL.
14754 Remove special handling for RETURN.
14755 (try_pre_increment): Use alloc_EXPR_LIST.
14756 (dump_flow_info): Dump n_edges.
14757 (unlink_insn_chain, split_hard_reg_notes): Remove.
14758 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
14759 (find_insn_with_note, new_insn_dead_notes): Remove.
14760 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
14761 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
14762 (replace_insns): Remove.
14763 (count_or_remove_death_notes): New.
14764 (verify_flow_info): Abort on error after all checks.
14765 (remove_edge): Decrement n_edges.
14766 (remove_fake_edges): Tweek format.
14767 * haifa-sched.c (schedule_insns): Use split_all_insns.
14768 * output.h (update_life_info): Remove declaration.
14769 * recog.c (split_all_insns): From the corpse of split_block_insns,
14770 do the whole function block by block. Use update_life_info.
14771 (recog_last_allowed_insn): New.
14772 (recog_next_insn): Mind it.
14773 (peephole2_optimize): Set it. Walk backwards through blocks.
14774 Use update_life_info.
14775 * rtl.h (update_flow_info, replace_insns): Remove declarations.
14776 (split_all_insns): Declare.
14777 * toplev.c (rest_of_compilation): Thread prologue before flow2.
14778 Use split_all_insns.
14780 * i386.md (or -1 peep2s): Disable.
14782 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
14784 * config/mips/mips.md (movstrsi+[123]) : Combine these into
14785 a single pattern. Scrap the 'd' versions as unnecessary.
14787 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
14788 tablejump_mips162,tablejump_internal4): The operands to a
14789 label_ref must be VOIDmode.
14791 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14793 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
14795 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
14797 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
14799 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
14801 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
14802 cache every function if ggc_p.
14804 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14806 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
14807 instead of copy_rtx. Accept sequences that contain asm statements.
14808 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
14809 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
14810 orig_asm_operands_vector, copy_asm_operands_vector,
14811 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
14813 * rtl.h (copy_insn, copy_insn_1): Declare.
14815 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14817 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
14819 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
14820 arguments to `current_file_function_operand'.
14822 * genrecog.c: Include hard-reg-set.h and resource.h in the
14823 generated output file.
14825 * real.c: Include tm_p.h.
14827 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14829 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
14832 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
14834 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
14835 before the fctiwz insn.
14837 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14838 Mark Mitchell <mark@codesourcery.com>
14840 * tree.c (make_lang_type_fn): New funtion pointer.
14841 (make_lang_type): Call it.
14842 * tree.h (make_lang_type): Declare.
14843 (make_lang_type_fn): Likewise.
14844 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
14846 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
14848 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
14849 make sure that HIGH instructions are copied into BASE_REGS.
14851 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
14853 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
14855 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
14857 * c-decl.c (finish_struct): Use simpler method of
14858 removing elements of a singly-linked list.
14860 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
14862 * alpha.md (peephole2's): Comment out peephole2's that generate
14865 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
14867 * genrecog.c (add_to_sequence): Disable mode check for
14870 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14872 * ggc-simple.c (init_ggc): Set empty_string.
14874 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
14876 * configure.in: Detect mmap. Add --with-gc=foo to select
14877 garbage collector; default to page if mmap available.
14878 * Makefile.in (GGC): Substitute.
14880 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
14882 * c-decl.c (ggc_p): Enable.
14884 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14886 * flow.c (verify_flow_info): Make it extern & unconditionally define.
14888 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
14890 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
14891 string for little-endian-data.
14893 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
14895 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
14896 case somebody tries to compile --enable-checking code with gcc
14899 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
14901 * genrecog.c (add_to_sequence): Verify operand to label_ref is
14904 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
14906 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
14907 * jump.c (jump_optimize_1): Document why.
14909 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14911 * collect2.c (scan_prog_file, scan_libraries): Prototype function
14912 pointers and casts for `int_handler' and `quit_handler'.
14914 * flow.c (verify_flow_info, split_hard_reg_notes,
14915 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
14916 remove_edge, remove_fake_successors): Add static prototypes.
14917 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
14918 (mark_set_1): Initialize variable `regno'.
14919 (unlink_insn_chain): Likewise for variable `curr'.
14920 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
14922 * loop.c (strength_reduce): Initialize variable
14923 `unrolled_insn_copies'.
14924 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
14925 prototypes. Change these functions to take const PTR parameters
14926 to avoid prototype conflict when used as the comparson argument
14928 (check_dbra_loop): Initialize variable `comparison_val'.
14930 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
14931 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
14932 (find_valid_class): Initialize variable `best_class'.
14933 (find_reloads): Call memcpy, not bcopy.
14935 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
14936 (hard_reg_use_compare): Don't needlessly cast away const.
14937 (reload_reg_class_lower): Likewise.
14938 (choose_reload_regs): Initialize variable `regno'.
14940 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
14942 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
14944 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
14946 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
14947 ({,d}discard): Add forward declarations. Declare parameter as
14949 (main_without_main): Explicitly declare return type to be int.
14950 (memcpy): Properly declare.
14952 * libgcc2.c (toplevel): If inhibit_libc is defined and not
14953 building the trampoline support, declare malloc, free, and
14955 (__clear_cache): Mark arguments as potentially unused.
14957 * frame.c (toplevel): If inhibit_libc is defined, declare
14960 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
14962 * flow.c (make_edge): Accept an optional 2D bitmap in which
14963 to cache edge existence. Update all callers.
14964 (make_label_edge, make_eh_edge): Pass through the edge cache.
14965 (make_edges): Provide the cache.
14967 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14969 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
14971 (local_mbtowc): Change the type of variable `i' from int to size_t.
14973 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
14974 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
14976 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
14978 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
14979 after other includes that define the appropriate types. Include
14980 tm_p.h for getting user prototypes.
14981 * ggc-callbacks.c (toplevel): Ditto.
14982 * ggc-none.c (toplevel): Ditto.
14983 * gcc-page.c (toplevel): Ditto.
14984 * ggc-simple.c (toplevel): Ditto.
14986 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
14987 Jonathan Larmour <jlarmour@cygnus.co.uk>
14989 * config/mips/mips.c (mips_move_2words): Split doubles if
14990 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
14992 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
14994 * genrecog.c (struct decision_test): New.
14995 (struct decision): Remove test-related members, sort the rest by size.
14996 (IS_SPLIT): Simplify.
14997 (new_decision, new_decision_test): New.
14998 (add_to_sequence): Use them. No special handling for args of
15000 (maybe_both_true): Renamed from not_both_true; return sense changed.
15001 (maybe_both_true_1, maybe_both_true_2): New. Broken out
15002 of maybe_both_true and adjusted for decision_test.
15003 (position_merit): Remove.
15004 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
15005 (merge_accept_insn): New, broken out of merge_trees.
15006 (merge_trees): Use them. No special case for c_test; no node
15007 splitting; use test type instead of position_merit.
15008 (factor_tests): New.
15009 (simplify_tests): New.
15010 (break_out_subroutines): Don't write code now.
15011 (find_afterward): New.
15012 (write_afterward, write_switch, write_cond): New.
15013 (write_action, is_unconditional): New.
15014 (write_node): New. Use them.
15015 (write_tree_1): Rewrite. Use the new functions above.
15016 (write_tree): Remove afterward processing.
15017 (write_subroutine): Simplify function variant emission.
15018 (write_subroutines): New.
15019 (same_codes, clear_codes): Remove.
15020 (same_modes, clear_modes): Remove.
15021 (write_header): New, broken out of main.
15022 (make_insn_sequence): Use new_decision and new_decision_test.
15023 (process_tree): New, broken out of main.
15024 (main): Adjust for merge_trees interface change.
15025 Don't #define operands in the output file.
15026 (record_insn_name): New, broken out of make_insn_sequence.
15027 (debug_decision_2, debug_decision_1, debug_decision_0): New.
15028 (debug_decision): New.
15030 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
15032 * resource.c (find_free_register): Mark class_str argument const.
15033 * resource.h: Update prototype to match.
15035 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
15036 * i386.md: Give all anonymous insns names.
15038 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
15040 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
15043 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
15045 * toplev.c (dbr_sched_time): Unconditional.
15046 (peephole2_time): New.
15047 (compile_file): Add pass numbers to all of the dump file suffixes.
15048 Dump peephole2_time. Don't dump times for non-applicable passes.
15049 (rest_of_compilation): Add pass numbers to dump file suffixes.
15050 Conditionalize calls to the scheduler.
15051 * invoke.texi: Update.
15053 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
15055 * flow.c (make_edges): Fix insn iteration.
15056 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
15057 (find_basic_blocks_1): Fix spelling mistake.
15059 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
15061 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
15062 always have side-effects. Use memset not bzero.
15063 (make_node): Likewise.
15065 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
15067 * stmt.c (expand_anon_union_decl): When any of the elements of the
15068 union is addressable, so is the entire union.
15070 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
15072 * sbitmap.c (sbitmap_ones): Don't set too many bits.
15074 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
15075 * bitmap.c (bitmap_operation): Return true iff TO changed.
15076 (bitmap_equal_p): New.
15077 (bitmap_bit_p): Tidy arithmetic.
15078 (debug_bitmap_file): Likewise.
15080 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
15082 * toplev.c (rest_of_compilation): Turn on cse_not_expected
15083 before cse2 instead of after.
15085 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
15087 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
15090 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15092 * cppinit.c (is_idchar initializer): Loosen tests to accept
15095 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
15097 * mips.md: Define conditional move patterns for floating point
15098 operands and DI mode conditions.
15100 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
15102 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
15103 always have side-effects.
15105 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
15107 * mn10200.c (asm_file_start): Fix typo.
15109 * cppinit.c (is_idchar initializer): Tighten tests for when
15110 to put the table into initialized memory.
15112 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
15113 not an array of rtunion.
15114 * gcc-page.c (ggc_alloc_rtvec): Similarly.
15115 * gcc-simple (ggc_free_rtvec): Similarly.
15117 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
15120 * mbchar.h: Add missing #endif.
15122 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
15123 (FPBIT, DPBIT): Define.
15125 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15127 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
15129 * profile.c (instrument_arcs, output_gcov_string,
15130 tablejump_entry_p): Add static prototypes.
15131 (output_gcov_string): Constify a char*.
15133 * regmove.c (replacement_quality, fixup_match_2): Add static
15136 * resource.h (reg_dead_p): Add extern prototype.
15138 * rtl.c (trim_filename): Add static prototype.
15140 * scan-decls.c (skip_to_closing_brace): Likewise.
15142 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
15143 (expand_end_case): Initialize variable `range'.
15144 (emit_case_nodes): Remove unused prototype `rtx_fn'.
15146 * varasm.c (asm_emit_uninitialised): Add static prototype.
15147 (asm_emit_uninitialised, assemble_variable): Mark parameter with
15150 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15152 * cpplib.c (if_directive_nameo): Add static prototype.
15154 * cse.c (cse_insn): Remove unused variable `p'.
15156 * except.c (create_rethrow_ref, push_entry,
15157 receive_exception_label, new_eh_region_entry, find_func_region,
15158 clear_function_eh_region, process_nestinfo): Add static prototypes.
15159 (get_reg_for_handler): Hide definition.
15160 (process_nestinfo): Initialize variable `extra_handlers'.
15162 * expr.h (expand_builtin_longjmp): Add extern prototype.
15164 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
15166 * function.c (prepare_function_start): Likewise.
15167 (pop_function_context_from): Mark parameter `context' with
15169 (push_temp_slots_for_block, flush_addressof): Hide definition.
15171 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
15172 solve_program_flow_graph, calculate_branch_probs,
15173 function_summary, main, fancy_abort): Add prototypes.
15175 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
15176 (add_hash): Constify a char*.
15178 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
15179 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
15180 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
15182 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
15184 * lists.c (free_list, zap_lists): Likewise.
15186 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15188 * alias.c (nonlocal_reference_p): Add static prototype.
15190 * bitmap.c (bitmap_element_allocate): Prototype args in function
15193 * builtins.c (stabilize_va_list): Add static prototype.
15194 (expand_builtin_va_arg): Constify a char*.
15196 * c-lex.c (getch, put_back, extend_token_buffer_to,
15197 read_line_number, token_getch, token_put_back): Add static
15200 * c-parse.gperf (hash, is_reserved_word): Likewise.
15202 * cccp.c (is_dir_separator): Likewise.
15204 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15206 * graph.h: New file to prototype functions exported by graph.c.
15208 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
15210 * graph.c: Include graph.h.
15212 * toplev.c: Likewise. Remove redundant prototypes.
15214 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
15216 * invoke.texi: Removed duplicated description for -Q.
15218 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
15220 * extend.texi: Grammar fix in __extension__ text.
15222 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
15224 * md.texi (define_peephole2): New section.
15226 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
15228 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
15229 (mov $-1 to or peepholer): Enable for pentium when optimizing for
15232 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
15234 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
15236 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
15238 * i386.md (ffs expander): Emit Pentium friendly code for
15241 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
15243 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
15245 (build1): Likewise.
15247 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15249 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
15251 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
15253 * config/m68k/m68k.c (use_return_insn): Return false if the pic
15254 register is in use.
15256 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15258 * md.texi (No Constraints): Delete section.
15259 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
15260 * final.c (final_scan_insn): We always have register constraints.
15261 * genattrtab.c: Don't include "insn-config.h".
15262 (write_attr_case): We always have register constraints.
15263 * genconfig.c (register_constraint_flag): Delete.
15264 (walk_insn_part): Don't check whether we have register constraints.
15265 (main): Don't write out "#define REGISTER_CONSTRAINTS".
15266 * genoutput.c (have_constraints): Delete.
15267 (main): Don't set it.
15268 (output_operand_data): We always have constraints.
15269 (scan_operands): Likewise.
15270 (compare_operands): Likewise.
15271 * local-alloc.c (block_alloc): We always have constraints.
15272 (requires_inout): Always compile this function.
15273 * recog.c (extract_insn): We always have constraints.
15274 (constrain_operands, reg_fits_class_p): Always compile these
15276 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
15278 (struct insn_operand_data): Likewise.
15279 * regclass.c (regclass): We always have constraints.
15280 (record_reg_classes, copy_cost, record_address_regs,
15281 auto_inc_dec_reg_p): Always compile these functions.
15282 * regmove.c (regmove_optimize): We always have constraints.
15283 * reload.c (find_reloads): Likewise.
15284 * reload1.c (reload): Likewise.
15285 (reload_cse_simplify_operands): Likewise.
15286 * i860.c (output_delay_insn): Likewise.
15288 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
15290 * iris6.h (BUILD_VA_LIST_TYPE): Define.
15292 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15294 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
15295 for the va_list record.
15297 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
15299 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
15302 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
15304 * alias.c: Include insn-flags.h.
15305 * Makefile.in (alias.o): Update.
15307 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
15309 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
15310 to LTU and GEU. Handle more cases using sbb.
15312 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
15314 * i386.md (truncatexfdf splitters): Do not use subreg.
15315 (fop XFmode patterns): Fix mode in operand testing.
15317 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
15319 * jump.c (jump_optimize_1): Amend last change to test only the
15320 form of the operand, not the insn.
15322 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
15323 not register_operand to determine when B may need preloading.
15325 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
15327 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
15328 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
15329 (call-value patterns): Move to end of file.
15330 (*): Remove mode from label_ref in (pc) context.
15331 (movstrqi): Use memory not general_operand for BLKmode operands.
15332 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
15333 to register_operand operands.
15334 (peep2 patterns): Convert from commented-out peephole patterns.
15336 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15338 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
15339 to BUILT_IN_INIT_DWARF_REG_SIZES.
15340 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
15341 Renamed from BUILT_IN_DWARF_REG_SIZE; call
15342 expand_builtin_init_dwarf_reg_sizes.
15343 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
15344 with __builtin_init_dwarf_reg_size_table.
15345 * dwarf2out.c (struct reg_size_range): Delete.
15346 (expand_builtin_init_dwarf_reg_sizes): New function.
15347 (expand_builtin_dwarf_reg_size): Delete.
15348 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
15349 (expand_builtin_dwarf_reg_size): Don't declare.
15350 * libgcc2.c (dwarf_reg_size_table_initialized): New.
15351 (dwarf_reg_size_table): New.
15352 (init_reg_size_table): New function.
15353 (copy_reg): Use dwarf_reg_size_table.
15354 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
15357 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
15359 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
15360 Correctly build argument list to constructor and destructor functions.
15362 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
15364 * c-tree.h (warn_float_equal): Declare.
15365 * c-decl.c (warn_float_equal): Define.
15366 (c_decode_option): Recognize -W[no-]float-equal.
15367 * c-typeck.c (build_binary_op): Conditionally warn
15368 about equality tests of floating point types.
15369 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
15370 * invoke.texi: Add docs for -Wfloat-equal warning.
15372 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
15374 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
15375 generating RTL directly.
15376 * mips.h (INIT_TARGET_OPTABS): Likewise.
15377 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
15379 * expr.h (init_mov_optab): Delete declaration
15381 * h8300.c (WORD_REG_USED): Update to avoid useless register
15382 saves in interrupt functions and functions which never return.
15384 * cse.c (struct set): Delete inner_dest_loc field.
15385 (cse_insn): Remove assignments to inner_dest_loc field.
15387 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
15389 * ggc-page.c: Don't include <unistd.h> etc taken care of
15390 by "system.h". Include <sys/mman.h> afterward.
15392 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
15394 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
15397 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
15399 * xcoffout.c (xcoffout_declare_function): Add documentation.
15400 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
15401 TARGET_64BIT. Compare constant to -1, not bit pattern.
15402 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
15403 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
15406 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
15408 * dwarf2out.c (add_abstract_origin_attribute): Abort if
15409 origin_die is NULL.
15410 (gen_inlined_enumeration_type_die): Do not abort if the type has
15411 not been writeen out.
15412 (gen_inlined_structure_type_die): Do not abort if the type has
15413 not been writeen out.
15414 (gen_inlined_union_type_die): Do not abort if the type has
15415 not been writeen out.
15416 (gen_tagged_type_instantiation_die): Do not abort if the type
15417 has not been written out.
15419 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15421 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
15423 * reg-stack.c (straighten_stack): Copy hard reg set with
15426 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
15428 * builtins.c (stabilize_va_list): Stabilize array type va_list
15429 to a pointer type, not the base record type.
15430 (expand_builtin_va_copy): Dereference the pointers explicitly;
15431 use the correct size for the copy.
15433 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
15434 (rs6000_va_arg): Likewise.
15436 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
15438 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
15440 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
15442 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
15444 (DECL_BUILT_IN_CLASS): Adjust accordingly.
15446 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
15448 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
15449 (init_ggc): Use it instead of a constant.
15450 (ggc_collect): Bound allocated_last_gc by it.
15452 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
15454 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
15457 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
15459 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
15460 (mips*-*-openbsd*): Let big endian configuration be a fragment.
15461 * configure: Regen.
15462 * config/mips/openbsd.h: New, OpenBSD little endian target.
15463 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
15464 * config/mips/xm-openbsd.h: New, OpenBSD host.
15466 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
15468 * config/m68k/m68k.c (output_function_prologue,
15469 output_function_epilogue): Use
15470 current_function_uses_pic_offset_table instead of regs_ever_live
15471 to decide whether to save/restore pic register.
15472 (legitimize_pic_address): Don't modify regs_ever_live any more.
15474 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
15476 * function.h (struct function): Add x_dont_save_pending_sizes_p.
15477 * stor-layout.c (variable_size): Don't add sizes to the pending
15478 sizes list if x_dont_save_pending_sizes_p is set.
15480 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
15482 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
15483 for symbolic_operand().
15484 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
15486 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15488 * combine.c (gen_rtx_combine): Add missing call to va_end().
15490 * final.c (asm_fprintf): Likewise.
15492 * genattrtab.c (attr_rtx): Likewise.
15494 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
15496 * cse.c: Update comments.
15497 (cse_insn): When converting a conditional/computed jump into
15498 an unconditional jump, always make sure a BARRIER immediately
15499 follows the converted jump. Do not delete unreachable code.
15500 (cse_basic_block): Do not delete unreachable code.
15501 * toplev.c (rest_of_compilation): Move call to
15502 delete_trivially_dead_insns after the conditional call to
15505 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15507 * collect2.c (make_temp_file): Don't prototype.
15509 * gcc.c (make_temp_file): Likewise.
15511 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
15513 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
15515 * varasm.c (asm_emit_uninitialised): New function: Generate
15516 the assembler statements necessary to declare an uninitialised
15518 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
15520 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
15521 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
15523 (assemble_variable): Use asm_emit_uninitialised to emit an
15524 uninitialised variable.
15526 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
15528 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
15529 constant on a 64 bit host. Patch supplied by Geoffrey Keating
15530 <geoffk@cygnus.com>.
15532 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15534 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
15535 * c-common.h (builtin_function): Don't declare.
15537 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
15539 (pushdecl): Likewise.
15540 (finish_decl): Likewise.
15541 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
15542 int. All callers changed.
15543 Set the builtin's DECL_BUILT_IN_CLASS.
15544 * tree.h (enum built_in_class): New.
15545 (enum built_in_function): Delete NOT_BUILT_IN.
15546 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
15548 (DECL_SET_FUNCTION_CODE): Likewise.
15549 (DECL_BUILT_IN_CLASS): New macro.
15550 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
15551 (struct tree_decl): Split builtin function code field into a
15553 (builtin_function): Declare.
15555 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
15557 * optabs.c (init_traps): Fix typo in last change.
15559 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
15561 * toplev.c (rest_of_decl_compilation): Update comment.
15563 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15565 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
15566 in .sbss if appropriate.
15567 (EXTRA_SECTION_FUNCTIONS): Add sbss.
15568 (SBSS_SECTION_ASM_OP): New macro.
15569 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
15570 (EXTRA_SECTIONS): Add in_sbss.
15571 * config/mips/mips.h: Prototype sbss_section.
15573 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
15575 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
15578 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
15580 * optabs.c (init_traps): Register trap_rtx as a GC root.
15582 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15584 * config/mips/mips.c (function_arg_pass_by_reference): Define
15585 unconditionally, since it's called unconditionally.
15587 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
15589 * toplev.c (documented_lang_options): Add -fshort-wchar.
15590 * c-decl.c (c_decode_option): Likewise.
15591 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
15593 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
15594 * gcc.c (default_compilers): If -fshort-wchar,
15595 override __WCHAR_TYPE__.
15596 * tm.texi (C Dialect Options): Add -fshort-wchar.
15598 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
15599 symbol for a variable.
15601 * cpplib.h (CPP_PREPROCESSED): New macro.
15602 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
15603 we're seeing this input for a second time.
15605 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
15607 * emit-rtl.c (init_emit_once): Initialize modes first.
15609 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
15611 * config/i386/i386.c (pic_label_name): Change to char pointer.
15612 (global_offset_table): New variable.
15613 (load_pic_register): Fill global_offset_table if it hasn't
15614 already been done. Allocate pic_label_name dynamically.
15615 * ggc.h (empty_string): New variable.
15616 * ggc-simple.c (empty_string): Likewise.
15617 (init_ggc): Allocate empty_string and add as root.
15618 * stmt.c (digit_strings): New variable.
15619 (init_stmt): Add last_block_end_note as root. Allocate and
15620 initialize digit_strings.
15621 (expand_asm_operands): Use empty_string instead of string
15622 constant. Use digit_strings instead of string constants.
15623 * profile.c (init_arc_profiler): Allocate string with
15624 ggc_alloc_string instead of xmalloc.
15625 (output_func_start_profiler): Likewise.
15626 * c-typeck.c (digest_init): Check if init is error_mark_node.
15628 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
15629 Richard Henderson <rth@cygnus.com>
15631 * ggc-page.c: New file.
15632 * Makefile.in (ggc-page.o): New.
15634 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
15636 * invoke.texi: Document -fdelete-null-pointer-checks
15637 * toplev.c (flag_delete_null_pointer_checks): New.
15638 (f_options): Add entry for -fdelete-null-pointer-checks.
15639 (rest_of_compilation): Conditionalize null pointer check
15640 elimination on flag_delete_null_pointer_checks.
15641 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
15643 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
15645 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
15646 copyright notice and special exception to GPL.
15648 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15650 * abi64.h (mips_function_value): Add prototype arguments.
15652 * mips-protos.h: New file with mips prototypes.
15654 * mips.c: Include "tm_p.h".
15655 (mktemp, lookup_name): Add prototype arguments.
15656 (extern_list, string_constant, mips_fill_delay_slot,
15657 mips_output_external, mips_output_external_libcall,
15658 mips_output_filename, mips_declare_object, function_prologue,
15659 mips_expand_prologue, function_epilogue, mips16_constant,
15660 build_mips16_function_stub, mips_output_conditional_branch):
15662 (mips_va_start): Remove unused variable `u'.
15663 (mips_va_arg): Cast value to unsigned when comparing against one.
15665 (save_restore_insns, mips_expand_prologue): Add missing arg in
15666 call to `large_int'.
15668 * mips.h: Move prototypes to mips-protos.h.
15669 (data_section, memory_address_p, rdata_section,
15670 readonly_data_section, simple_epilogue_p, text_section): Delete
15671 prototypes delcared elsewhere.
15672 (mips_epilogue_delay_slots, print_options): Delete unused decls.
15674 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
15676 * mips.md: Delete extra args in call to `mips_move_2words'.
15678 * xm-iris6.h (alloca): Add prototype argument.
15680 * genpeep.c: Include "tm_p.h" in generated output file.
15682 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15684 * basic-block.h (find_edge_index): Change parameters.
15685 * flow.c (verify_edge_list): Pass basic_block parameters to
15686 find_edge_index instead of integers.
15688 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
15690 * combine.c (simplify_comparison): Use an unsigned shift to adjust
15693 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
15695 * gcc.1: Fix a formatting error.
15697 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15699 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
15700 i786, mn10200, mn10300, pdp11, v850.
15702 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
15704 * libgcc2.c (num_digits): Add prototype with
15705 __attribute__((const)).
15706 (__terminate): Add prototype.
15708 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
15710 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
15712 * alpha/alpha.c (print_operand): Fix type of `code'.
15713 (alpha_output_filename): Constify.
15714 * alpha/alpha.h: Move all function declarations ...
15715 * alpha/alpha-protos.h: ... here. New file.
15716 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
15717 (SECTION_FUNCTION_TEMPLATE): Likewise.
15719 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15721 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
15722 * expr.c (expand_expr): Likewise.
15723 (do_jump): Likewise.
15724 (do_store_flag): Pass ccp_store_flag to can_compare_p.
15725 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
15727 (enum can_compare_purpose): New.
15728 (can_compare_p): Adjust prototype.
15729 (prepare_cmp_insn, prepare_operand): Declare.
15730 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
15731 * optabs.c (cmp_available_p): Deleted.
15732 (expand_abs): Pass ccp_jump to can_compare_p.
15733 (can_compare_p): New arg PURPOSE. Check for combined optabs.
15734 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
15735 Call can_compare_p rather than cmp_available_p.
15736 (prepare_operand): No longer static.
15737 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
15738 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
15739 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
15740 sequence to use emit_cmp_and_jump_insns.
15741 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
15743 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
15745 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
15746 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
15747 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
15748 (plus (reg) (const_int 0))
15749 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
15751 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
15753 * rs6000.c (expand_block_move): DImode loads and stores require
15754 word-aligned displacements. Increment address registers with
15755 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
15757 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
15759 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
15760 is no name for the base type, rather than segfault. If we are
15761 writing out a complex integer type, use DW_ATE_lo_user.
15763 * expr.c (emit_move_insn_1): If we are copying a complex that fits
15764 in one word or less (complex char, complex short, or on 64 bit
15765 systems complex float) to/from a hard register, copy it through
15766 memory instead of dying in gen_{real,imag}part. If we have a
15767 short complex type, prevent inlining since it allocates stack
15770 * tree.c (build_complex_type): If we are writing dwarf2 output,
15771 generate a name for complex integer types.
15773 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15775 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
15776 * flow.c (remove_edge): Remove extra whitespace.
15777 (remove_fake_edges): Fix comment.
15778 (add_noreturn_fake_exit_edges): Use the correct name.
15780 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
15782 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
15783 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
15784 (clean): Depend on INTL_CLEAN.
15785 (maintainer-clean): Adjust.
15787 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15789 * configure.in (AC_PREREQ): Bump to 2.13.
15790 (AC_C_STRINGIZE): Call this instead of using a custom macro.
15792 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
15794 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
15796 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
15798 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
15799 (HAVE_STRINGIZE): Define.
15801 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
15803 * c-parse.in: save and restore warn_pointer_arith on __extension__
15804 along with pedantic.
15805 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
15806 Set the type of extension to itype rather than $<itype>1 kludge.
15807 * extend.texi (Alternate Keywords): Adjust documentation.
15808 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
15810 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
15812 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
15813 most assembler templates.
15815 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
15816 FP loads and stores.
15817 (following_call): Always return zero for the PA8000.
15818 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
15819 FP loads and stores.
15820 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
15822 * pa.h (BRANCH_COST): Define.
15824 * pa.md (return, return_internal): Use bve for PA2.0.
15826 * pa.md (fused multiply): Add variants which reduce height for the
15827 fused multiply, but which still generate 2 insns.
15828 (fnegabs): Similarly.
15830 * pa.md (subsi3): Turn into an expander. Create two anonymous
15831 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
15832 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
15834 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
15836 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
15838 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
15839 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
15841 * regclass.c (init_regs): Add "top_of_stack" as a garbage
15844 * flow.c (record_active_eh_regions): Terminate loop after finding
15845 the last insn in the last basic block.
15847 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15849 * config/c4x/c4x.md: Delete parallel instruction peepholes.
15851 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15853 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
15855 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15857 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
15858 splitting to not use output template.
15860 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15862 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
15863 * config/c4x/c4x.c (c4x_va_start): New function.
15865 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
15867 * genrecog.c (not_both_true): Handle correctly cases when called for
15868 tests with different positions in the insn.
15870 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15872 * machmode.h (HOST_PTR_PRINTF): Move from here ...
15874 * system.h (HOST_PTR_PRINTF): ... to here.
15876 * mips-tfile.c: Don't include machmode.h.
15878 * Makefile.in (MACHMODE_H): New variable. Update to use it.
15879 (mips-tfile.o): Don't depend on machmode.h.
15881 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15883 * haifa-sched.c (sched_analyze): Rename local variable `region' to
15884 avoid conflicts with typedef struct `region' at the top level scope.
15886 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
15888 * basic-block.h (basic_block): Add eh_beg, eh_end.
15889 * flow.c (entry_exit_blocks): Update.
15890 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
15891 Call new functions.
15892 (find_basic_blocks_1): Don't record eh_list at each bb. Use
15893 lists.c functions to allocate insn lists.
15894 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
15896 (make_eh_edge): ... here. New.
15897 (move_stray_eh_region_notes): New.
15898 (record_active_eh_regions): New.
15899 (delete_unreachable_blocks): Split out block merging ...
15900 (try_merge_blocks): ... here. New.
15901 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
15902 Dump debugging data.
15903 (merge_blocks_move_successor_nojumps): Likewise.
15904 (merge_blocks): Use eh_beg+eh_end to validate block movement.
15906 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15908 * extend.texi (Bound member functions): Document unbound pmf
15911 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15913 * flow.c (split_edge): Handle insertion on a fallthrough edge which
15914 has the EXIT_BLOCK as a dest.
15916 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15918 * flow.c (remove_edge): New function to remove an edge from the
15920 (remove_fake_successors): New function to remove fake successor edges.
15921 (remove_fake_edges): New function to remove all fake edges from the
15923 (add_fake_exit_edges): New function to add fake edges from all blocks
15924 with no successors to the exit block.
15925 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
15926 prototypes for new functions.
15928 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15930 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
15931 Use Pmode to determine whether to output .dword or .word.
15933 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
15935 * tree.c (built_in_filename): New variable.
15936 (BUILT_IN_FILENAME): New macro.
15937 (init_tree_codes): Allocate built_in_filename.
15938 (make_node): Use built_in_filename instead of string constant.
15940 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
15942 * configure.in: Add fr30 target.
15943 * configure: Regenerate.
15944 * config/fr30: New directory.
15945 * config/fr30/crti.asm: New file.
15946 * config/fr30/fr30.c: New file.
15947 * config/fr30/crtn.asm: New file.
15948 * config/fr30/fr30.h: New file.
15949 * config/fr30/fr30.md: New file.
15950 * config/fr30/lib1funcs.asm: New file.
15951 * config/fr30/t-fr30: New file.
15952 * config/fr30/xm-fr30.h: New file.
15954 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
15956 * flow.c (merge_blocks_move_successor_nojumps): Delete the
15957 BARRIER at the end of the successor, not the BARRIER before
15960 * pa.c (pa_add_gc_roots): Fix thinko in last change.
15962 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
15964 * stmt.c (any_pending_cleanups): Don't crash when
15965 current_function->stmt is unset.
15967 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15969 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
15970 other initializations that may use it for relative offsets.
15972 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15974 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
15975 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
15976 * config/i386/sol2dbg.h: Removed.
15977 * config/i386/sol2gas.h: New file, to enable gas work-around.
15978 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
15979 Don't use sol2dbg.h.
15980 * configure: Rebuilt.
15982 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
15984 * invoke.texi (-fthis-is-variable): Remove documentation.
15986 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
15988 * basic-block.h (compute_bb_for_insn): Declare.
15989 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
15990 to use; set size of basic_block_for_insn directly.
15991 (find_basic_blocks): Update.
15993 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15995 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
15997 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15999 * crtstuff.c (ON_EXIT): Delete empty macro definition.
16000 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
16002 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
16004 * c-decl.c (c_decode_option): Extend comment.
16006 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
16008 * toplev.c (progname): Make 'const char *'
16009 (flag_print_mem): Move out of main.
16010 (version_flag): Move out of main.
16011 (filename): Move out of main.
16012 (debug_args): Remove g prefix from options.
16013 (documented_lang_options): Remove cpplib specific options.
16014 (display_help): Add g prefix to debug options.
16015 (check_lang_option): Delete this function.
16016 (decode_d_option): New function: Decode -d... option.
16017 (decode_f_option): New function: Decode -f... option.
16018 (decode_W_option): New function: Decode -W... option.
16019 (decode_g_option): New function: Decode -g... option.
16020 (independent_decode_option): New function: Decode a language
16021 independent command line option.
16022 (main): Invoke lang_decode_option and then
16023 independent_decode_option on each command line option in
16026 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
16028 Revert this change. Gavin's patch to operand_equal_p is a better fix.
16029 * fold-const.c (fold_range_test): Do not try to fold the range
16030 test if the rhs or lhs has side effects.
16032 * basic-block.h (compute_flow_dominators): Declare.
16034 * gcse.c (alloc_code_hoist_mem): New function.
16035 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
16036 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
16037 (hoist_code, one_code_hoisting_pass): Likewise.
16038 (gcse_main): If optimizing for size, then hoist expressions
16039 computed in multiple dominated basic blocks.
16041 * gcse.c (invalid_nonnull_info): New function.
16042 (delete_null_pointer_checks): Likewise.
16043 * rtl.h (delete_null_pointer_checks): Declare.
16044 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
16046 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
16047 (merge-blocks_move_successor_nojumps): Likewise.
16048 (merge_blocks): Allow merging of some blocks, even if it requires
16049 physical movement of the blocks, but not if it requires new jumps.
16051 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
16052 Callers and prototype changed.
16053 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
16055 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16057 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
16058 -YP when both -p and -pg are present. From i386/sol2.h.
16060 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16062 * Makefile.in (distclean): Delete tm_p.h.
16063 * configure.in: Create a new file, "tm_p.h", from a list in
16064 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
16065 "i386/i386-protos.h".
16067 * alias.c: Include "tm_p.h".
16068 * c-typeck.c: Likewise.
16069 * calls.c: Likewise.
16071 * emit-rtl.c: Likewise.
16072 * explow.c: Likewise.
16073 * expmed.c: Likewise.
16074 * expr.c: Likewise.
16075 * final.c: Likewise.
16076 * flow.c: Likewise.
16077 * fold-const.c: Likewise.
16078 * function.c: Likewise.
16079 * gcse.c: Likewise.
16080 * global.c: Likewise.
16081 * haifa-sched.c: Likewise.
16082 * integrate.c: Likewise.
16083 * jump.c: Likewise.
16084 * local-alloc.c: Likewise.
16085 * loop.c: Likewise.
16086 * optabs.c: Likewise.
16087 * recog.c: Likewise.
16088 * reg-stack.c: Likewise.
16089 * regclass.c: Likewise.
16090 * regmove.c: Likewise.
16091 * reload.c: Likewise.
16092 * reload1.c: Likewise.
16093 * reorg.c: Likewise.
16094 * resource.c: Likewise.
16095 * stmt.c: Likewise.
16096 * stor-layout.c: Likewise.
16097 * toplev.c: Likewise.
16098 * tree.c: Likewise.
16099 * unroll.c: Likewise.
16100 * genattrtab.c (main): Make generated file include "tm_p.h".
16101 * genemit.c (main): Likewise.
16102 * genoutput.c (main): Likewise.
16103 * genrecog.c (main): Likewise.
16105 * i386.h: Delete all prototypes.
16106 * i386.c: Include "tm_p.h".
16107 (ix86_attr_length_default): Call constant_call_address_operand
16108 with correct number of arguments.
16109 * i386-protos.h: New file.
16110 * i386.md (unnamed patterns): Call constant_call_address_operand
16111 with correct number of arguments.
16112 (exception_receiver): Call load_pic_register with correct number
16115 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
16117 * c-pragma.c (mark_align_stack): Dereference the void* properly.
16119 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
16121 * rtl.h (insns_safe_to_move_p): New function.
16122 * loop.c (find_and_verify_loops): Use it.
16123 * rtlanal.c (insns_safe_to_move_p): Define it.
16125 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
16127 * c-pragma.c: Include ggc.h.
16128 * Makefile.in (c-pragma.o): Update.
16130 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16132 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
16133 (LIB_SPEC): Likewise.
16134 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
16135 Reindent -YP/-p/-pg.
16136 Copied from config/sparc/sol2.h.
16138 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
16140 * c-pragma.c (mark_align_stack): New.
16141 (init_pragma): New.
16142 * c-pragma.h (init_pragma): Declare it.
16143 * c-lex.c (init_parse): Call it.
16145 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16147 * configure.in: Pick up thread library on Solaris/x86 just
16148 like on Solaris/sparc.
16149 * configure: Rebuilt.
16151 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
16153 * rtl.h (global_rtx_index): New enum.
16154 (global_rtl): Change to array of rtx.
16155 (pc_rtx, cc0_rtx): Redefine accordingly.
16156 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
16157 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
16158 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
16159 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
16160 (const_int_rtx): Change to array of rtx.
16161 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
16163 * emit-rtl.c (global_rtl): Change to array of rtx.
16164 (const_int_rtx): Change to aray of rtx.
16165 (gen_rtx_CONST_INT): Redefine accordingly.
16166 (init_emit_once): Allocate and initialize global_rtl. Likewise
16167 for const_int_rtx. Add both as GC roots.
16168 * genattrtab.c (global_rtl): Update declaration.
16170 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
16172 * Makefile (USER_H): Add iso646.h back.
16174 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
16176 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
16177 zapping the LOG_LINKS of sched_before_next_call.
16179 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
16180 * pa.c (insn_refs_are_delayed): Renamed from
16181 insn_sets_and_refs_are_delayed.
16183 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
16185 * functiion.h (struct function): Add x_whole_function_mode_p.
16186 (retrofit_block): Declare.
16187 * function.c (retrofit_block): New function.
16188 (identify_blocks): Add assertions. Allow an incomplete set of
16189 block notes if we're still generating code for the function.
16190 * integrate.c: Include loop.h.
16191 (expand_inline_function): Call find_loop_tree_blocks to map block
16192 notes to blocks when in whole-function mode. Use retrofit_block
16193 to insert new BLOCKs for the inlined function, rather than
16195 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
16196 * Makefile.in (integrate.o): Depend on loop.h.
16198 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
16200 * tree.h (warn_about_unused_variables): Declare.
16201 * stmt.c (warn_about_unused_variables): New function, split out
16203 (expand_end_bindings): Here.
16205 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
16207 * stmt.c (preserve_subexpressions_p): Don't crash when
16208 current_function->stmt is unset.
16210 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
16212 * stmt.c (expand_start_bindings): Allow callers to pass a flag
16213 indicating that no NOTE_INSN_BLOCK_BEG note is required.
16214 (expand_start_target_temps): Use it.
16215 * except.c (expand_eh_region_start_for_decl): Likewise.
16216 * expr.c (expand_expr): Likewise.
16218 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
16220 * fold-const.c (operand_equal_p): Pay attention to side effects.
16222 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
16224 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
16225 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
16227 * tlink.c (scan_linker_output): Look for keywords before accepting
16228 a mangled name in quotes.
16230 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
16232 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
16233 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
16235 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
16237 * alpha.md: Revert Thu Nov 26 change that came in through the
16238 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
16239 Avoid earlyclobber when possible.
16241 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16243 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
16245 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
16246 Define HAVE_ON_EXIT.
16248 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16250 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
16251 CTYPE_CONV in all ctype macros.
16253 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
16256 * cexp.y (initialize_random_junk): Likewise.
16258 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
16260 * i370.c (handle_pragma): Likewise.
16262 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
16264 * v850.c (override_options): Likewise.
16266 * doprint.c (_doprnt): Likewise.
16268 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
16271 * fixinc/server.c (load_data): Likewise.
16273 * fold-const.c (real_hex_to_f): Likewise.
16275 * genattr.c (write_upcase, gen_attr): Likewise.
16277 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
16278 write_upcase): Likewise.
16280 * genemit.c (print_code): Likewise.
16282 * genopinit.c (gen_insn): Likewise.
16284 * genpeep.c (print_code): Likewise.
16286 * genrecog.c (print_code): Likewise.
16288 * optabs.c (init_libfuncs): Likewise.
16290 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
16292 * haifa-sched.c (sched_analyze): Keep the list of notes organized
16294 (reemit_notes): Likewise.
16296 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
16298 * ggc.h (ggc_root): Move to ggc-common.c.
16300 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
16301 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
16302 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
16303 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
16304 * ggc-common.c (ggc_root): Move from ggc.h.
16305 (roots): Declare, static.
16306 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
16307 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
16308 null or check/set mark bit.
16309 (ggc_mark_roots): New.
16310 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
16312 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
16314 * m32r.c: Include toplev.h.
16315 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
16316 (gen_compare): Rename swap_p to must_swap to match uses.
16317 Add default abort case.
16318 (m32r_output_function_epilogue): Remove unused variables.
16319 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
16320 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
16321 define to empty parameter list. Update all uses.
16322 (predicate decls): Use enum machine_mode not int.
16323 * m32r.md (movsi): Call abort, not fatal_insn.
16324 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
16326 1999-09-14 Andrew Haley <aph@cygnus.com>
16328 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
16329 use $0 instead of 0.
16331 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16333 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
16334 computation out of loop over hard regs.
16336 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
16338 * function.c (identify_blocks): Don't shadow a variable in an
16340 * integrate.c (integrate_decl_tree): Don't use pushlevel,
16341 pushdecl, or poplevel to build up the new BLOCK tree.
16342 (expand_inline_function): Likewise.
16343 (integrate_parm_decls): Likewise.
16345 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
16347 * c-typeck.c (qualify_type): Merge qualifiers from both types.
16349 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
16351 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
16352 * invoke.texi: Document this change.
16354 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
16356 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
16358 (mark_emit_status): Renamed from mark_emit_state.
16359 * except.c (mark_eh_status): Renamed from mark_eh_state.
16360 Check not null before marking.
16361 (free_eh_status): New.
16362 * expr.c (mark_expr_status, free_expr_status): New.
16363 * function.c (free_machine_status): New.
16364 (free_after_parsing): New.
16365 (free_after_compilation): Move bits to free_after_parsing; call
16366 free_eh_status, free_expr_status; zero the marked members of the
16368 (prepare_function_start): No can_garbage_collect.
16369 Call init_eh_for_function.
16370 (expand_dummy_function_end): Free up current_function state.
16371 (mark_function_status): Renamed from mark_function_state.
16372 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
16373 * function.h (struct function): No can_garbage_collect.
16374 (free_machine_status, free_after_parsing): Declare.
16375 (free_eh_status, free_expr_status): Declare.
16376 * ggc.h (mark_expr_status): Declare.
16377 * stmt.c (free_stmt_status): Free the struct.
16378 (mark_stmt_status): Renamed from mark_stmt_state.
16379 (init_stmt): Don't call init_eh.
16380 (init_stmt_for_function): Don't call init_eh_for_function.
16381 * toplev.c (compile_file): Call init_eh.
16382 (rest_of_compilation): Free basic block info before ggc_collect.
16383 Call free_after_parsing; conditionally call free_after_compilation.
16384 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
16385 Check not null before marking.
16386 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
16388 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
16390 * c-lex.c (yylex): Initialize warn.
16392 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
16394 * pa.c (emit_move_sequence): Properly set the mode of the scratch
16395 register when performing secondary reloads for the SAR register.
16397 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
16399 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
16400 (NOTE_BLOCK): New macro.
16401 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
16402 * function.h (identify_blocks): Change prototype.
16403 * function.c (identify_blocks): Simplify.
16404 (reorder_blocks): Likewise.
16405 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
16406 NOTE_INSN_BLOCK_{BEG,END}.
16407 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
16408 the list of saved notes if the note isn't a
16409 NOTE_INSN_BLOCK_{BEG,END}.
16410 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
16412 (reemit_notes): Adjust recreation of notes to reflect new saved
16414 * print-rtl.c (print_rtx): Print the address of the BLOCK when
16415 printing a block note.
16416 * stmt.c (block_vector): Remove.
16417 (find_loop_tree_blocks): Simplify.
16418 (unroll_block_trees): Likewise.
16419 * tree.h (reorder_block): Change prototype.
16421 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
16423 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
16424 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
16425 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
16426 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
16427 (atexit, exit): Simplify.
16428 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
16429 * config/lots: Remove defns of HAVE_ATEXIT.
16431 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
16433 * calls.c (precompute_arguments): Fix typo in comment.
16434 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
16437 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
16439 * dsp16xx.c (override_options): Fix typos in GC root registration.
16441 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
16443 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
16444 from config/svr4.h.
16445 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
16446 (FUNCTION_PROFILER): Redefine appropriately for Linux.
16447 (CC1_SPEC): Likewise.
16449 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16451 * genattr.c (main): Add extern prototype. Call return, not exit.
16452 * genattrtab.c (main): Likewise.
16453 * gencheck.c (main): Likewise.
16454 * gencodes.c (main): Likewise.
16455 * genconfig.c (main): Likewise.
16456 * genemit.c (main): Likewise.
16457 * genextract.c (main): Likewise.
16458 * genflags.c (main): Likewise.
16459 * gengenrtl.c (main): Likewise.
16460 * genopinit.c (main): Likewise.
16461 * genoutput.c (main): Likewise.
16462 * genpeep.c (main): Likewise.
16463 * genrecog.c (main): Likewise.
16465 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
16466 * genattrtab.c (get_insn_name): Likewise.
16467 * gencodes.c (get_insn_name): Likewise.
16468 * genconfig.c (get_insn_name): Likewise.
16469 * genemit.c (get_insn_name): Likewise.
16470 * genextract.c (get_insn_name): Likewise.
16471 * genflags.c (get_insn_name): Likewise.
16472 * genopinit.c (get_insn_name): Likewise.
16473 * genpeep.c (get_insn_name): Likewise.
16475 * gencheck.c (usage): Add static prototype.
16476 * genextract.c (print_path): Constify a char*.
16477 * genopinit.c (optabs): Likewise.
16478 * genoutput.c (operand_data, data, output_predicate_decls,
16479 compare_operands): Likewise.
16480 * genrecog.c (write_tree): Add default case in switch.
16482 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16484 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
16486 * print-rtl.c (get_insn_name): Remove prototype.
16488 * toplev.h (progname): Declare const.
16490 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
16491 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
16492 dump_sched_info, dump_local_alloc, regset_release_memory,
16493 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
16494 error_with_file_and_line, error_with_decl, error_for_asm, error,
16495 fatal, warning_with_file_and_line, warning_with_decl, warning,
16496 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
16497 Remove redundant prototypes.
16499 (notice, check_lang_option, report_file_and_line, vnotice,
16500 mark_file_stack): Add static prototype.
16501 (set_fatal_function): Add prototype.
16502 (vnotice, report_file_and_line, set_fatal_function,
16503 check_lang_option): Constify a char*.
16504 (main): Prototype. Call return, not exit.
16506 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16508 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
16510 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
16512 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
16514 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
16516 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16518 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
16519 behave as if it's zero in all cases.
16520 (expand_function_start): Adjust call to assign_parms.
16521 * tree.h (assign_parms): Adjust prototype.
16522 * objc/objc-act.c (hack_method_prototype): Adjust call to
16525 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
16527 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
16528 arg_pointer_rtx fixed if the argument pointer register is
16530 (NONZERO_BASE_PLUS_P): Likewise.
16532 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
16534 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
16535 match_insn2 to match_insn.
16536 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
16538 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
16540 * Makefile.in (USER_H): Remove va-foo.h.
16542 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
16543 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
16544 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
16545 va-spur.h,va-v850.h}: Remove.
16547 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
16549 * sparc/sparc.md (eligible_for_return_delay): New attribute.
16550 (in_return_delay): Use it instead of match_insn.
16552 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16554 * config/alpha/va_list.h (va-alpha.h): Do not include.
16555 (__gnuc_va_list): Typedef as in varargs.h.
16557 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
16559 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
16560 DECL_LIVE_RANGE_RTL.
16562 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
16564 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
16565 not NOTE_BLOCK_NUMBER.
16566 (expand_eh_region_end): Likewise.
16567 (find_exception_handler_labels): Likewise.
16568 (scan_region): Likewise.
16569 (exception_optimize): Likewise.
16570 (update_rethrow_references): Likewise.
16571 (set_insn_eh_region): Likewise.
16572 * final.c (final_scan_insn): Likewise.
16573 * flow.c (make_edges): Likewise.
16574 * integrate.c (expand_inline_function): Likewise.
16575 * print-rtl.c (print_rtx): Likewise.
16577 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
16579 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
16580 terms of builtin functions and types.
16582 * mips.c (mips_build_va_list): New.
16583 (mips_va_start, mips_va_arg): New.
16584 * mips.h (BUILD_VA_LIST_TYPE): New.
16585 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
16587 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
16588 (sh_build_va_list, sh_va_start, sh_va_arg): New.
16589 * sh.h (BUILD_VA_LIST_TYPE): New.
16590 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
16592 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
16594 * recog.h (struct recog_data): Make dup_num, operand_address_p,
16595 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
16596 (struct insn_data): Likewise with n_operands, n_dups,
16597 n_alternatives, output_format.
16598 * regclass.c (scan_one_insn): Cast n_operands to int before
16599 arithmetic inside comparison.
16601 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
16603 * toplev.c (compile_function): Unconditionally emit nop.
16605 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16607 * haifa-sched.c (actual_hazard): Move declaration of variable
16608 `this_cost' into the scope where it is used.
16610 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16612 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
16613 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
16614 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
16616 * genrecog.c (make_insn_sequence): Call memset, not bzero.
16618 * jump.c (find_insert_position): Don't declare or define unless
16619 !HAVE_conditional_arithmetic.
16620 (returnjump_p_1, delete_prior_computation): Add static prototypes.
16622 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
16624 * recog.c (offsettable_address_p): Prototype function pointer.
16625 (preprocess_constraints): Call memset, not bzero.
16627 * tree.c (tree_node_kind_names): Constify a char*. Make static.
16628 (gcc_obstack_init): Don't declare.
16629 (fix_sizetype): Add static prototype.
16630 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
16631 (tree_cons): Call memset, not bzero.
16633 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
16634 definition in macro ASM_WEAKEN_LABEL.
16635 (mark_const_hash_entry): Add static prototype.
16637 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16639 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
16641 * unroll.c (find_common_reg_term, subtract_reg_term,
16642 loop_find_equiv_value): Add static prototypes.
16643 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
16644 (copy_loop_body): Remove unreachable break statement.
16646 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
16648 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
16650 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16652 Undo some changes from the gcc2 merge:
16653 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
16654 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
16658 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
16659 * emit-rtl.c (gen_lowpart_common): Disable optimization of
16660 initialized float-int union if the value is a NaN.
16662 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
16664 * gthr-win32.h: New file.
16666 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
16667 shared as a valid attribute.
16668 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
16669 * extend.texi: Document `shared' variable attribute.
16671 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
16673 * configure.in: Handle --enable-threads on FreeBSD.
16674 * configure: Rebuit.
16676 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
16678 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
16680 * configure: Rebuilt.
16682 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
16683 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
16684 Rosimildo DaSilva <rdasilva@connecttel.com>
16686 * configure.in (m68k-*-rtemscoff*): Added.
16687 * configure.in (mips64orion-*-rtems*): Converted to ELF.
16688 * configure.in (sparc-*-rtemsaout*): Added as alias for old
16689 sparc-rtems configuration.
16690 * configure.in (sparc-*-rtemself*): Added.
16691 * configure.in (sparc-*-rtems*): Now ELF not a.out.
16692 * config/i386/rtems.h: Added comment.
16693 * config/sparc/rtemself.h: New file.
16695 * configure.in (m68k-rtemself): Added.
16696 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
16697 and DWARF_DEBUGGING_INFO.
16698 * config/m68k/crti.s: New file.
16699 * config/m68k/crtn.s: New file.
16700 * config/m68k/t-crtstuff: New file.
16701 * config/m68k/rtemself.h: New file.
16703 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
16704 global ctor/dtor and C++ exception handling.
16705 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
16706 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
16708 * config/i386/t-rtems-i386: New File.
16710 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
16712 * stmt.c (expand_end_case): Return right away if the case stack is
16715 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
16717 * Makefile.in (version.c): Remove rule incorrectly brought in from
16720 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
16722 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
16723 * msdos/top.sed: Take into account a prepended $(SHELL) to
16725 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
16727 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
16729 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16731 * regmove.c (fixup_match_1): Don't change an unchanging register.
16732 (stable_but_for_p): Renamed to:
16733 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
16734 Changed all callers.
16736 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
16738 * loop.c (strength_reduce): Don't call reg_used_between_p if the
16739 insn from BL2 is after the insn from BL.
16741 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
16743 * recog.h (INSN_OUTPUT_FORMAT_*): New.
16744 (struct insn_data): Merge `template' and `outfun' into `output'.
16745 Add `output_format'.
16746 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
16747 (struct data): Remove `outfun'; add `output_format'.
16748 (name_for_index): Remove declaration.
16749 (output_insn_data): Handle output formats.
16750 (process_template): Emit the bare array for @.
16751 (gen_expand, gen_split): Set output_format to NONE.
16752 * output.h (get_insn_template): Declare.
16753 * final.c (get_insn_template): New.
16754 (final_scan_insn): Use it.
16755 * toplev.c (compile_file): Likewise.
16757 * c4x/c4x.c (c4x_process_after_reload): Likewise.
16758 * i860/i860.c (output_delayed_branch): Likewise.
16759 (output_delay_insn): Likewise.
16761 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16763 * rtl.c (obstack_alloc_rtx): Removed.
16765 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
16767 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
16769 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16771 * i386.c (call_insn_operand): Reject const_int.
16772 (expander_call_insn_operand): Use call_insn_operand.
16774 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16776 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
16778 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
16780 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
16781 Use DImode operation.
16783 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
16785 * gcc.c: Include sys/resource.h.
16786 (report_times): New flag.
16787 (execute): If report_times is set, calculate and report the
16788 CPU time consumed by each subprocess.
16790 (rus, prus): New globals.
16791 (option_map): Add --time.
16792 (display_help): Document -time.
16793 (process_command): Set report_times if -time is given.
16794 Turn off -pipe if -time is given.
16796 * invoke.texi: Document new option -time.
16798 * configure.in: Check for getrusage. Check if we have to
16799 prototype getrusage.
16800 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
16801 * configure: Regenerate.
16802 * config.in: Regenerate.
16804 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
16806 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
16809 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
16811 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
16812 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
16813 (nan): Return _thenan_sf or _thenan_df as appropriate.
16814 (L_thenan_sf): Define _thenan_sf.
16815 (L_thenan_df): Define _thenan_df.
16817 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
16818 (DPBIT_FUNCS): Add _thenan_df.
16820 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
16822 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
16825 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16827 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
16830 (lang_specific_driver): Don't take a function pointer parameter.
16831 All callers changed.
16833 * gcc.c: Include gcc.h.
16834 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
16835 lang_specific_extra_outfiles, fatal): Don't declare.
16836 (multilib_defaults_raw): Constify.
16837 (read_specs): Call memset, rather than bzero.
16838 (main): Call return, not exit.
16839 (lookup_compiler): Call memcpy, not bcopy.
16840 (fatal): Make extern.
16842 * cppspec.c: Include gcc.h.
16843 (lang_specific_driver): Initialize variable `quote'. Constify a
16844 char*. All calls to the function pointer parameter now
16845 explicitly call `fatal'.
16847 * gccspec.c (lang_specific_driver): Include gcc.h.
16849 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
16851 * arm.c (note_invalid_constants): Use recog_data.operand_type
16854 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16856 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
16859 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
16860 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
16861 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
16862 reload_secondary_in_reload, reload_secondary_out_reload,
16863 reload_secondary_in_icode, reload_secondary_out_icode,
16864 reload_reg_rtx, reload_when_needed): Delete declarations.
16865 (struct reload): New structure.
16866 (rld): Declare new array.
16867 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
16868 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
16869 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
16870 reload_secondary_in_reload, reload_secondary_out_reload,
16871 reload_secondary_in_icode, reload_secondary_out_icode,
16872 reload_reg_rtx, reload_when_needed): Delete definitions.
16874 (whole file): Replace uses of the deleted arrays with uses of rld.
16875 * reload1.c (whole file): Replace uses of the deleted arrays with
16877 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
16878 explicit loops, not with bcopy.
16880 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
16882 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
16883 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
16884 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
16885 insn_name): Delete and consolidate into new structures.
16886 (insn_operand_predicate_fn): New.
16887 (insn_output_fn): New.
16888 (insn_gen_fn): New.
16889 (struct insn_operand_data): New.
16890 (struct insn_data): New.
16892 (OUT_FCN): Update for insn_data change.
16893 * builtins.c (expand_builtin_strlen): Likewise.
16894 (expand_builtin_memcmp): Likewise.
16895 * combine.c (make_extraction, simplify_comparison): Likewise.
16896 * cse.c (canon_reg, cse_insn): Likewise.
16897 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
16898 * expmed.c (store_bit_field, extract_bit_field): Likewise.
16899 (emit_store_flag): Likewise.
16900 * expr.c (convert_move, emit_block_move): Likewise.
16901 (clear_storage, emit_push_insn, expand_increment): Likewise.
16902 (do_store_flag): Likewise.
16903 * expr.h (GEN_FCN): Likewise.
16904 (insn_gen_function): Die.
16905 * final.c (final_scan_insn): Update for insn_data change.
16906 (output_asm_name): Likewise.
16907 * function.c (fixup_var_refs_1): Likewise.
16908 * loop.c (check_dbra_loop): Likewise.
16909 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
16910 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
16911 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
16912 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
16913 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
16914 * regmove.c (gen_add3_insn): Likewise.
16915 * reload.c (push_secondary_reload, combine_reloads): Likewise.
16916 (find_reloads, find_reloads_address_1): Likewise.
16917 (debug_reload_to_stream): Likewise.
16918 * reload1.c (emit_reload_insns, gen_reload): Likewise.
16919 * stmt.c (expand_end_case): Likewise.
16920 * toplev.c (compile_file): Likewise.
16922 * c4x/c4x.c (c4x_process_after_reload): Likewise.
16923 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
16925 * print-rtl.c (insn_name_ptr): Remove declaration.
16926 (get_insn_name): Declare.
16927 (print_rtx): Use it.
16928 * genoutput.c (insn_name_ptr): Remove.
16929 (next_operand_number): New.
16930 (struct operand_data): New.
16931 (null_operand, odata, odata_end): New.
16932 (struct data): Use struct operand_data.
16933 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
16934 (get_insn_name): Renamed from name_for_index.
16935 (output_prologue): Define NO_MD_PROTOTYPES.
16936 (output_predicate_decls): Break out from output_epilogue.
16937 Iterate over the operands list.
16938 (output_operand_data): Break out from output_epilogue. Emit
16939 just the operands list.
16940 (output_insn_data): Break out from output_epilogue. Emit just
16942 (output_epilogue): Remove.
16943 (output_get_insn_name): New.
16944 (constraints, op_n_alternatives, predicates, address_p): Die.
16945 (modes, strict_low, seen): Die.
16946 (scan_operands): Take new param `d' instead of writing to
16947 seven global variables.
16948 (compare_operands): New.
16949 (place_operands): New.
16950 (validate_insn_alternatives): Update for struct data change.
16951 (gen_insn): Don't zero or copy 7 global arrays. Update for
16952 scan_operands; call place_operands.
16953 (gen_peephole, gen_expand, gen_split): Likewise.
16954 (main): Update for new output routines.
16956 * genattr.c (insn_name_ptr): Remove.
16957 (get_insn_name): New function.
16958 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
16959 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
16960 * genrecog.c: Likewise.
16962 * alpha.md (adddi3): Make `pattern' array static.
16964 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16966 * config/c4x/c4x.h (c4x_rpts_cycles_string,
16967 c4x_cpu_version_string): Constify char *.
16968 * config/c4x/c4x.c (c4x_rpts_cycles_string,
16969 c4x_cpu_version_string): Likewise.
16971 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
16973 * tree.c (save_tree_status): Revert 10 Sep change.
16974 (restore_tree_status): Likewise. Call obstack_free with NULL
16975 before freeing the obstack proper.
16977 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
16979 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
16981 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
16982 surrounding context.
16984 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
16986 * tree.c (type_hash_canon): Put all types in the hash-table, when
16989 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
16991 * recog.h (struct recog_data, recog_data): New.
16992 (recog_foo variables): Kill.
16993 * recog.c (recog_operand, recog_operand_loc): Kill.
16994 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
16995 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
16996 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
16997 (recog_data): Define.
16998 (extract_insn): Update all recog_foo references to use recog_data.
16999 (preprocess_constraints, constrain_operands): Likewise.
17000 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
17001 * genattrtab.c (main): Likewise.
17002 * genextract.c (main): Likewise.
17003 * genoutput.c: Likewise.
17004 * genrecog.c (write_subroutine, main): Likewise.
17005 * local-alloc.c (block_alloc): Likewise.
17006 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
17007 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
17008 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
17009 * reload.c (find_reloads, find_reloads_toplev): Likewise.
17010 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
17011 (reload_cse_simplify_operands): Likewise.
17013 * arc/arc.c (arc_final_prescan_insn): Likewise.
17014 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
17015 * h8300/h8300.c (notice_update_cc): Likewise.
17016 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
17017 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
17018 * mn10200/mn10200.c (notice_update_cc): Likewise.
17019 * mn10300/mn10300.c (notice_update_cc): Likewise.
17020 * romp/romp.c (update_cc): Likewise.
17021 * sparc/sparc.c (check_pic): Likewise.
17022 * v850/v850.c (notice_update_cc): Likewise.
17024 * genemit.c (main): Don't declare recog_operand.
17026 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
17028 * ggc.h (rtvec_def): Forward declare.
17029 (tree_node): Likewise.
17030 (ggc_root): Define.
17032 (ggc_set_mark_rtx): Add prototype.
17033 (ggc_set_mark_rtvec): Likewise.
17034 (ggc_set_mark_tree): Likewise.
17035 * ggc-simple.c (ggc_root): Don't define.
17036 (roots): Don't declare.
17037 (ggc_mark_rtx): Remove.
17038 (ggc_mark_rtvec): Likewise.
17039 (ggc_mark_tree): Likewise.
17040 (ggc_mark_varray): Likewise.
17041 (ggc_mark_tree_hash_table_entry): Likewise.
17042 (ggc_mark_tree_hash_table): Likewise.
17043 (ggc_set_mart_rtx): New function.
17044 (ggc_set_mark_rtvec): Likewise.
17045 (ggc_set_mark_tree): Likewise.
17046 (ggc_add_root): Remove.
17047 (ggc_add_rtx_root): Likewise.
17048 (ggc_remove_tree_root): Likewise.
17049 (ggc_add_string_root): Likewise.
17050 (ggc_add_tree_varray_root): Likewise.
17051 (ggc_add_tree_hash_table_root): Likewise.
17052 (ggc_del_root): Likewise.
17053 (ggc_mark_rtx_ptr): Likewise.
17054 (ggc_mark_tree_ptr): Likewise.
17055 (ggc_mark_string_ptr): Likewise.
17056 (ggc_mark_tree_varray_ptr): Likewise.
17057 (ggc_mark_tree_hash_table_ptr): Likewise.
17058 * ggc-common.c: New file.
17059 * Makefile.in (OBJS): Add ggc-common.o.
17060 (ggc-common.o): List dependencies.
17062 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
17064 * cppalloc.c (xstrdup): Use memcpy.
17065 * cpperror.c (cpp_print_containing_files): Don't use
17067 * cpplib.c (conditional_skip): Set temp->lineno.
17068 (do_endif): Make error message less obscure.
17069 (if_directive_name): New function.
17070 (cpp_get_token [case EOF]): Unwind the if stack and generate
17071 error messages for each unterminated conditional in this file.
17072 (parse_string): Do not behave differently if -traditional.
17074 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
17076 * builtins.c (expand_builtin_va_arg): Cope with an array-type
17077 va_list decomposing to pointer-type.
17078 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
17079 (rs6000_va_arg): Likewise.
17081 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
17083 * except.c (start_dynamic_handler): Compute size using
17084 STACK_SAVEAREA_MODE.
17086 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17088 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
17089 include directory headers. Don't define strrchr. Don't provide
17090 my_* replacement functions. Prefer PTR over `pointer_type'.
17091 Don't prototype system functions. Don't redefine getopt.
17093 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
17094 safe_read, safe_write, save_pointers, restore_pointers,
17095 is_id_char, in_system_include_dir, directory_specified_p,
17096 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
17097 find_corresponding_lparen, referenced_file_is_newer,
17098 save_def_or_dec, munge_compile_params, gen_aux_info_file,
17099 process_aux_info_file, identify_lineno, check_source,
17100 seek_to_line, forward_to_next_token_char, output_bytes,
17101 output_string, output_up_to, other_variable_style_function,
17102 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
17103 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
17104 find_static_definition, connect_defs_and_decs, add_local_decl,
17105 add_global_decls, needs_to_be_converted, visit_each_hash_node,
17106 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
17107 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
17108 scan_for_missed_items, edit_file, string_list_cons): Add static
17110 (standard_exec_prefix, target_machine, target_version,
17111 default_syscalls_dir, string_list, string_list_cons, find_file,
17112 do_cleaning): Constify a char*.
17113 (safe_read, safe_write): Use PTR, not a char*.
17114 (is_id_char): Take an int, not a char.
17115 (main): Add prototype. Call return, not exit.
17117 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
17119 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
17120 when comparing types.
17122 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
17124 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
17125 (strength_reduce): Release the varrays from the no-bivs early exit.
17127 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
17128 the loop over the registers.
17130 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
17132 (restore_tree_status): Check that instead when freeing the obstack.
17134 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
17136 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
17139 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17141 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
17142 operand size modifiers.
17144 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17146 * c-common.c (c_common_nodes_and_builtins): Don't build
17148 * c-common.h (enum c_tree_index and related accesor macros): Remove
17149 everything now declared in tree.h.
17150 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
17151 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
17152 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
17153 (error_mark_node, void_type_node, char_type_node, integer_type_node,
17154 unsigned_type_node, ptr_type_node, va_list_type_node,
17155 integer_zero_node, null_pointer_node, integer_one_node): Delete.
17156 (init_decl_processing): Call build_common_tree_nodes and
17157 build_common_tree_nodes_2 instead of building their nodes here.
17158 Don't add roots for these nodes.
17159 * stor-layout.c (size_zero_node, size_one_node): Delete.
17160 (set_sizetype): Make a new node for bitsizetype each time.
17161 * tree.c (global_trees): New variable.
17162 (init_obstacks): Add a gc root for it.
17163 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
17164 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
17165 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
17166 (build_common_tree_nodes): New function.
17167 (fix_sizetype): New function.
17168 (build_common_tree_nodes_2): New function.
17169 * tree.h (enum tree_index): New.
17170 (global_trees): Declare.
17171 Add accessor macros for all nodes now moved to global_trees.
17172 Delete their declarations.
17174 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
17176 * c-decl.c (finish_function): When processing a nested function,
17177 push and pop GC context around rest_of_compilation.
17179 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
17181 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
17182 Default ix86_arch to PROCESSOR_I386.
17183 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
17184 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
17185 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
17186 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
17187 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
17188 (EXTRA_SPECS): Remove deleted specs.
17190 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
17192 * function.c (assign_stack_local_1): Allocate from
17193 function->x_frame_offset, not frame_offset.
17195 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
17197 * ggc.h (lang_cleanup_tree): Remove.
17198 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
17199 * ggc-callbacks.c (lang_cleanup_tree): Remove.
17201 * c-decl.c (finish_struct): Use ggc_alloc to allocate
17202 TYPE_LANG_SPECIFIC when garbage collecting.
17203 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
17204 (lang_cleanup_tree): Remove.
17206 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17208 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
17209 * crtstuff.c: Not here.
17210 * dwarf2out.c: Or here.
17211 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
17214 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
17216 * function.h (free_after_compilation): Remove decl parameter.
17217 (free_varasm_status0: Likewise.
17218 (free_emit_status): Likewise.
17219 (free_stmt_status): Likewise.
17220 (free_after_compilation): Likewise.
17221 (init_lang_status): New variable.
17222 (free_lang_status): Likewise.
17223 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
17224 * function.c (init_lang_status): New variable.
17225 (free_lang_status): Likewise.
17226 (push_function_context_to): Don't set function::decl here.
17227 (free_after_copmilation): Make decl parameter implicit. Call
17228 free_lang_status if defined.
17229 (prepare_function_start): Call init_lang_status if defined.
17230 (init_function_start): Set function::decl here.
17231 * profile.c (output_func_start_profiler): Don't call pushdecl
17232 until we've actually started the function.
17233 * stmt.c (free_stmt_status): Make decl parameter implicit.
17234 * toplev.c (rest_of_compilation): Don't pass decl to
17235 free_after_compilation.
17236 * varasm.c (free_varasm_status): Likewise.
17238 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17240 * except.c (call_get_eh_context): Add root when allocating static
17243 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
17245 * arm.c: Include "ggc.h".
17246 (arm_add_gc_roots): New function.
17247 (arm_override_options): Call it.
17248 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
17250 * arm.md (define_asm_attributes): Add a pool_range attribute.
17252 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
17254 * extend.texi (Volatiles): New node.
17256 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
17258 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
17259 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
17260 (struct ggc_any): Replace `mark' with `magic_mark'.
17261 (ggc_alloc_string): Use memcpy, not bcopy.
17262 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
17263 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
17264 (ggc_free_any): New.
17265 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
17266 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
17267 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
17268 Use IS_MARKED. Use ggc_free_any.
17270 1999-09-09 Scott Bambrough <scottb@netwinder.org>
17272 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
17274 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
17276 * toplev.c (main): Always init_ggc.
17278 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
17280 * except.c (find_all_handler_type_matches): Free the list if
17281 we found no matches.
17283 * combine.c (SUBST): Break out to a real function do_SUBST.
17284 (SUBST_INT): Likewise.
17285 * gcse.c (free_pre_mem): Free `temp_bitmap'.
17286 (pre_insert): Free `inserted'.
17287 * loop.c (basic_induction_var): Always set `location'.
17289 * function.c (expand_function_end): Add initial_trampoline as a root.
17290 * rtl.h (init_varasm_once): Declare.
17291 * toplev.c (compile_file): Call it.
17292 * ggc-simple.c (ggc_mark_string_ptr): New.
17293 (ggc_add_string_root): New.
17294 (ggc_collect): Disable collection avoidance temporarily.
17295 * ggc.h (ggc_add_string_root): Declare.
17296 * except.c (create_rethrow_ref): Use ggc_alloc_string.
17297 * optabs.c (init_libfuncs): Likewise.
17298 * varasm.c (named_section): Use ggc_alloc_string.
17299 (make_function_rtl): Likewise.
17300 (make_decl_rtl): Likewise.
17301 (assemble_static_space): Likewise.
17302 (assemble_trampoline_template): Likewise.
17303 (output_constant_def): Likewise.
17304 (force_const_mem): Likewise.
17305 (mark_const_hash_entry): New.
17306 (mark_pool_sym_hash_table): New.
17307 (mark_varasm_state): Use it.
17308 (init_varasm_once): New.
17310 * expr.h (init_one_libfunc): Declare.
17311 * optabs.c (init_one_libfunc): New.
17312 (init_optabs): Use it.
17313 * config/gofast.h: Likewise.
17314 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
17315 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
17317 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17319 * Makefile.in (cppexp.o): Depend on cpphash.h.
17320 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
17322 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
17323 * cpplib.c (do_define): Generalise to handle poisoned definitions,
17324 redefining poisoned identifiers, etc.
17325 (do_undef): Don't allow poisoned identifiers to be undefined.
17326 (do_pragma): Add #pragma poison.
17327 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
17329 * cccp.c: Add T_POISON node type.
17330 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
17332 (do_define): Generalise to handle poisoned definitions,
17333 redefining poisoned identifiers, etc.
17334 (do_undef): Don't allow poisoned identifiers to be undefined.
17335 (do_pragma): Add #pragma poison.
17336 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
17338 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
17339 * c-pragma.h: Add ps_poison state. We now always have generic
17342 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
17344 * ggc.h (ggc_alloc): New function.
17345 (ggc_mark): Likewise.
17346 * ggc-simple.c (ggc_any): New structure.
17347 (ggc_status): Add anys.
17348 (n_anys_collected): New variable.
17349 (ggc_alloc): Define.
17350 (ggc_mark): Likewise.
17351 (ggc_collect): Collect the anys.
17353 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17355 * c-decl.c (mark_binding_level): Make static to match prototype.
17357 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
17359 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
17361 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
17363 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
17364 will use into account. Expand the max width to 5.
17367 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
17369 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
17370 for the rtx length.
17372 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
17374 * alpha.md (call value patterns): Remove the result predicates.
17376 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
17378 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
17381 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17383 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
17384 changed from extern char *, to extern PTR. Also fix typo in
17385 NEED_DECLARATION_REALLOC test.
17387 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
17389 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17391 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
17392 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
17393 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
17394 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
17396 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
17398 * cccp.c (pcfinclude): Likewise.
17400 * global.c (allocno_compare): Likewise.
17402 * haifa-sched.c (rank_for_schedule): Likewise.
17404 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
17406 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
17408 * stupid.c (stupid_reg_compare): Likewise.
17410 * tree.c (_obstack_allocated_p): Likewise.
17412 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
17414 1999-09-08 Bruce Korb autogen@linuxbox.com
17416 * Makefile.in: Give the hapless gperf user a hint about
17417 why "gperf -F" fails.
17419 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
17421 * lists.c: Include ggc.h.
17423 (init_EXPR_INSN_LIST_cache): Install it.
17425 * ggc-simple.c (init_ggc): Absorb the old init.
17426 (ggc_push_context): Use xcalloc.
17427 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
17428 (ggc_collect): Add [rvts] tags to the collection stats.
17430 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
17432 * cccp.c (main): Fix handling of -include and -imacros options.
17434 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
17436 * cpplib.c (cpp_push_buffer): Fix order of arguments.
17438 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17440 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
17443 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17445 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
17446 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
17447 and SET_DEST. Update comment.
17449 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17451 * config/c4x/c4x.c: Include ggc.h.
17452 (c4x_add_gc_roots): New function.
17453 (c4x_override_options): Call c4x_add_gc_roots.
17455 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
17457 * defaults.h (TARGET_ESC): Move ...
17458 * system.h: ... here, where Linas had it in the first place. Silly me.
17460 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
17462 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
17463 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
17464 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
17465 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
17466 * defaults.h (TARGET_ESC): Add default.
17468 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
17470 * configure.in: add i370-*-openedition, i370-*-mvs and
17471 i370-*-linux targets
17473 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
17475 * dsp16xxx.c: Include ggc.h
17476 (override_options): Mark GC roots.
17477 * mn10200.c: Include ggc.h.
17478 (asm_file_start): Mark GC roots.
17479 * tahoe.c: Include ggc.h.
17480 (extensible_operand): Mark GC roots.
17482 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
17484 * README: Add section discussing status of ELF ABI.
17485 * i370.c: Fix misc spelling mistakes.
17486 (i370_label_scan): Updated notes, exception handling.
17487 (i370_function_prolog): Simplify ELF stack handling.
17488 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
17489 (STACK_GROWS_DOWNWARD): ELF stack grows down.
17490 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
17491 * i370.md: (movdi): Add notes.
17492 (floatsidf2): Use stack not rtca for scratch float area.
17493 (iorsi3): Correct operand constraints.
17494 * x-oe: Restore TAROUTOPTS which are used by pax.
17496 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
17498 * rs6000.c: Include ggc.h.
17499 (rs6000_add_gc_roots): New function.
17500 (override_options): Call it.
17502 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
17504 * alpha.h (alpha_compare): New.
17505 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
17506 * alpha.c: Likewise for the definitions.
17507 (alpha_emit_conditional_branch): Update for alpha_compare.
17508 (alpha_emit_conditional_move): Likewise.
17509 * alpha.md (cmpdf, cmpdi): Likewise.
17510 (setcc patterns): Likewise. Zero alpha_compare after use.
17511 (sne): Optimize (x != 0) into (0U < x).
17513 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
17515 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
17516 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
17517 (INIT_EXPANDERS): Remove.
17518 * alpha.c: Include ggc.h.
17519 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
17520 (alpha_init_machine_status, alpha_mark_machine_status): New.
17521 (override_options): Install them.
17522 (struct machine_function): Moved to alpha.h.
17523 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
17524 (alpha_init_expanders): Remove.
17525 (alpha_return_addr): Adjust to use current_function->machine.
17526 (alpha_ra_ever_killed): Likewise.
17527 (alpha_expand_epilogue): Likewise.
17528 * alpha.md (eh_epilogue): Likewise.
17530 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
17531 Melissa O'Neill <oneill@cs.sfu.ca>
17532 Geoffrey Keating <geoffk@cygnus.com>
17534 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
17535 call-used registers (call-saved registers must still be contiguous
17536 and end with r31, of course).
17538 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
17540 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
17541 (self_promoting_type_p): Delete.
17542 (self_promoting_args_p): Move ...
17543 * c-common.c: ... here.
17544 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
17545 (simple_type_promotes_to): New.
17546 * builtins.c (lang_type_promotes_to): New.
17547 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
17548 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
17549 * c-common.h: ... here.
17550 (self_promoting_args_p, simple_type_promotes_to): Declare.
17551 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
17552 (grokdeclarator): Likewise.
17553 * tree.h (lang_type_promotes_to): Declare.
17555 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
17557 Add some machine-dependent GC roots.
17558 * sparc.c: Include ggc.h.
17559 (sparc_add_gc_roots): New function.
17560 (mark_ultrasparc_pipeline_state): Likewise.
17561 (override_options): Call sparc_add_gc_roots.
17562 * pa.c: Include ggc.h.
17563 (pa_add_gc_roots): New function.
17564 (mark_deferred_plabels): Likewise.
17565 (override_options): Call pa_add_gc_roots.
17566 * mips.c: Include ggc.h.
17567 (mips_add_gc_roots): New function.
17568 (override_options): Use it.
17570 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17572 * cpperror.c (cpp_file_line_for_message): Constify a char*.
17574 * cppexp.c (parse_number, parse_charconst, cpp_lex,
17575 cpp_parse_expr): Add static prototypes.
17576 (parse_charconst): Don't cast away const-ness.
17577 (token): Constify a char*.
17579 * cppfiles.c (file_name_list, include_hash, find_include_file,
17580 finclude, initialize_input_buffer): Constify a char*.
17581 (file_cleanup, find_position): Add static prototypes.
17583 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
17584 collect_expansion): Add static prototypes.
17585 (cpp_install, create_definition, monthnames): Constify a char*.
17587 * cpphash.h (cpp_install): Likewise.
17589 * cppinit.c (known_suffixes, default_include,
17590 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
17591 (base_name, dump_special_to_buffer, initialize_dependency_output):
17592 Add static prototypes.
17594 * cpplib.c (my_strerror): Constify a char*.
17595 (null_underflow, null_cleanup, skip_comment, copy_comment,
17596 copy_rest_of_line, handle_directive, pass_thru_directive,
17597 get_directive_token, read_line_number, cpp_print_file_and_line,
17598 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
17599 v_cpp_warning_with_line, detect_if_not_defined,
17600 consider_directive_while_skipping): Add static prototypes.
17601 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
17602 cpp_pedwarn_with_file_and_line): Constify a char*.
17604 * cpplib.h (cpp_options, include_hash, progname, definition,
17605 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
17606 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
17607 find_include_file, deps_output, include_hash): Constify a char*.
17609 * cppmain.c (progname): Constify.
17610 (main): Add prototype. Use return, not exit.
17612 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
17613 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
17614 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
17615 check_protection): Add static prototype.
17617 (progname, recognized_macrom, recognized_extern): Constify a char*.
17618 (main): Add prototype.
17620 * gen-protos.c (progname): Constify a char*.
17622 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
17624 * emit-rtl.c (free_emit_status): Take decl as a parameter.
17625 (init_emit_once): Add more GC roots.
17626 * except.c (mark_func_eh_entry): New function.
17627 (mark_eh_node): Mark false_label and rethrow_label.
17628 (init_eh): Add more GC roots.
17629 * function.c (free_after_compilation): Take decl as a paramter.
17630 Call free_stmt_status.
17631 (mark_function_state): Don't assume x_parm_reg_stack_loc is
17633 * function.h (free_after_compilation): Change prototype.
17634 (free_varasm_status): Likewise.
17635 (free_emit_status): Likewise.
17636 (free_stmt_status): New function.
17637 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
17638 Remove, replacing with ...
17639 (ggc_status): New structure.
17640 (ggc_chain): New variable.
17641 (init_gcc): Define.
17642 (ggc_push_context): New function.
17643 (ggc_pop_context): Likewise.
17644 (ggc_alloc_rtx): Adjust for use of ggc_chain.
17645 (ggc_alloc_rtvec): Likewise.
17646 (ggc_alloc_tree): Likewise.
17647 (ggc_alloc_string): Likewise.
17648 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
17649 (ggc_mark_tree): Give language-dependent code a chance to mark
17651 (ggc_mark_tree_varray): Handle empty arrays.
17652 (ggc_collect): Adjust for use of ggc_chain. Clear
17653 bytes_alloced_since_last_gc.
17654 * ggc.h (ggc_pop_context): New function.
17655 (ggc_push_context): Likewise.
17656 * print-tree.c (print_node): Don't print obstacks when GC'ing.
17657 * stmt.c (free_stmt_status): New function.
17658 (init_stmt_for_function): Clear last_expr_value.
17659 * toplev.c (rest_of_compilation): Always call free_after_compilation.
17660 Conditionalize call to ggc_collect.
17661 (main): Call init_ggc.
17662 * tree.c (push_obstacks): Do the push, even when GC'ing.
17663 (push_obstacks_nochange): Likewise.
17664 (pop_obstacks): Liekwise.
17665 * varasm.c (free_varasm_status): Take decl as a parameter.
17667 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
17669 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
17670 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
17671 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
17672 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
17674 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
17676 * pa/x-pa-mpeix: New file for the MPE port.
17678 * pa/quadlib.asm: New file for long double support.
17680 * configure.in: Add hppa1.0-*-mpeix for MPE port.
17681 * configure: Rebuilt.
17683 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
17685 * final.c (shorten_branches): Fix last change.
17687 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
17689 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
17691 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
17693 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
17696 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17698 * c-aux-info.c (concat): Don't define.
17700 * cccp.c (my_strerror): Likewise. All callers changed to use
17702 (do_include): Call xstrdup, not xmalloc/strcpy.
17703 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
17704 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
17706 * collect2.c (my_strsignal): Likewise. All callers changed to use
17708 (locatelib): Call xstrdup, not xmalloc/strcpy.
17710 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
17712 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
17714 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
17716 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
17718 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
17720 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
17722 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
17724 (find_all_handler_type_matches): Likewise. Don't check return
17726 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
17727 xmalloc, not malloc.
17728 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
17730 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
17731 (init_spec): Call xcalloc, not xmalloc/bzero.
17732 (set_spec): Call xstrdup, not save_string.
17733 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
17734 (find_a_file): Call xstrdup, not xmalloc/strcpy.
17735 (process_command): Call xstrdup, not save_string.
17736 (main): Call xcalloc, not xmalloc/bzero.
17738 * gcov.c (xmalloc): Don't define.
17739 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
17740 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
17741 (output_data): Call xcalloc, not xmalloc/bzero.
17743 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
17745 * mips-tdump.c (xmalloc): Don't define.
17746 (print_symbol): Call xmalloc, not malloc.
17747 (read_tfile): Call xcalloc, not calloc.
17749 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
17750 Don't define. All callers of xfree/my_strsignal changed to use
17751 free/strsignal instead.
17752 (allocate_cluster): Call xcalloc, not calloc.
17754 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
17755 Fix memory leak, free allocated memory.
17757 * prefix.c (translate_name): Call xstrdup, not save_string.
17758 (update_path): Likewise.
17760 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
17762 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
17763 Don't define. Callers of xfree/savestring2 changed to use
17764 free/concat instead.
17766 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
17767 (init_elim_table): Likewise.
17769 * resource.c (init_resource_info): Likewise.
17771 * stupid.c (stupid_life_analysis): Likewise.
17773 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
17774 (open_dump_file): Call concat, not xmalloc/strcpy/...
17775 (clean_dump_file): Likewise.
17776 (compile_file): Call xstrdup, not xmalloc/strcpy.
17778 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
17780 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
17781 * v850.c (v850_va_arg): New.
17783 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17785 * haifa-sched.c: Tidy comments.
17787 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17789 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
17790 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
17791 $(out_object_file)): Depend on ggc.h.
17792 * c-common.c: Include "ggc.h".
17793 (combine_strings): If doing GC, use ggc_alloc_string.
17794 * c-decl.c: Include "ggc.h".
17795 (ggc_p): Define with value 0.
17796 (mark_binding_level): New function.
17797 (init_decl_processing): Add GC roots.
17798 (mark_c_function_context): New function.
17799 (lang_mark_false_label_stack): New function.
17800 (lang_mark_tree): New function.
17801 (lang_cleanup_tree): New function.
17802 * c-lang.c: Include "ggc.h".
17803 (lang_init): Call c_parse_init.
17804 * c-lex.c: Include "ggc.h".
17805 (check_linenum): If doing GC, don't copy filenames to permanent
17807 * c-parse.in: Include "ggc.h".
17808 (c_parse_init): New function.
17809 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
17810 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
17812 * except.c (mark_eh_state): Mark more state.
17813 * function.c (mark_function_state): Likewise.
17814 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
17815 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
17816 * toplev.c (mark_file_stack): New function.
17817 (compile_file): If doing GC, use ggc_alloc_string on input filename.
17818 (main): Add root for input_file_stack.
17820 * i386.c: Include "ggc.h".
17821 (ix86_mark_machine_status): New function.
17822 (override_options): Set mark_machine_status.
17824 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17826 * tree.c (copy_node): Copy node contents also if doing GC.
17828 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17830 * collect2.c (scan_libraries): Fix double-thinko :-).
17832 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
17834 * collect2.c (scan_libraries): Fix thinko.
17836 * cse.c (delete_trivially_dead_insns): Do not skip the last
17837 insn if it is a real insn.
17839 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
17841 * Makefile.in (ggc-simple.o): Depend on hash.h.
17842 * ggc.h (ggc_add_tree_hash_table_root): Declare.
17843 (ggc_mark_tree_varray): Likewise.
17844 (ggc_mark_tree_hash_table): Likewise.
17845 * ggc-simple.c: Include hash.h.
17846 (ggc_mark_tree_hash_table_ptr): New function.
17847 (ggc_mark_tree_hash_table_entry): Likewise.
17848 (ggc_mark_tree_hash_table): Likewise.
17849 (ggc_add_tree_hash_table_root): Likewise.
17850 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
17851 rtx, when defining fields.
17853 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
17855 * profile.c (output_func_start_profiler): Remove apparently
17856 nonsensical call to start_sequence.
17858 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
17860 * clipper/clipper.c (clipper_va_start): Fix typos.
17862 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
17863 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
17864 (spur_va_arg): New stub.
17866 * configure.in: Comment out pyramid.
17868 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
17870 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
17871 don't conflict with the bits that win32, cygwin, and dgux
17874 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
17875 Bernd Schmidt <bernds@cygnus.co.uk>
17877 * integrate.c (function_cannot_inline_p): Do not inline
17878 functions with forced labels.
17880 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
17881 Bernd Schmidt <bernds@cygnus.co.uk>
17882 Mark Mitchell <mark@codesourcery.com>
17884 * Makefile.in (ggc-simple.o): Depend on varray.h.
17885 (rtl.o): Depend on ggc.h.
17886 (genattrtab.o): Depend on ggc.h.
17887 (print-tree.o): Likewise.
17888 (fold-const.o): Likewise.
17889 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
17890 (make_insn_raw): Don't cache insns when GC'ing.
17891 (emit_insn_before): Likewise.
17892 (emit_insn_after): Likewise.
17893 (emit_insn): Likewise.
17894 (start_sequence): Use xmalloc to allocate the sequence_stack.
17895 (end_sequence): Add free to free it.
17896 (gen_sequence): Don't cache insns when GC'ing.
17897 (clear_emit_caches): Don't use sequence_element_free_list.
17898 (init_emit): Use xcalloc, not xmalloc+bzero.
17899 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
17900 * function.c (pop_function_context_from): Use free to free the
17901 fixup_var_refs_queue.
17902 (put_reg_into_stack): Allocate it with xmalloc.
17903 * genattrtab.c: Include ggc.h.
17904 (operate_exp): Don't use obstack_free when GC'ing.
17905 (simplify_cond): Likewise.
17906 (simplify_text_exp): Likewise.
17907 (optimize_attrs): Likewise.
17908 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
17910 (gencode): Generate a #include for ggc.h.
17911 * ggc-callbacks.c (ggc_p): Define it to zero.
17912 * ggc-none.c (ggc_p): Likewise.
17913 * ggc-simple.c: Include varray.h.
17914 (ggc_mark_tree_varray): New function.
17915 (ggc_add_tree_varray_root): Likewise.
17916 (ggc_mark_tree_varray_ptr): Likewise.
17917 * ggc.h (ggc_p): Declare.
17918 (varray_head_tag): Likewise.
17919 (ggc_add_tree_varray_root): Declare.
17920 * print-tree.c (print_node): Don't check for TREE_PERMANENT
17921 inconsistencies when GC'ing.
17922 * rtl.c: Include ggc.h.
17923 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
17924 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
17925 (rtx_free): Don't call obstack_free when GC'ing.
17926 * toplev.c (rest_of_compilation): Call ggc_collect after every
17928 * tree.c (push_obstacks): Do nothing, if GC'ing.
17929 (pop_obstacks_nochange): Likewise.
17930 (pop_obstacks): Likewise.
17931 (make_node): Use ggc_alloc_tree when GC'ing.
17932 (copy_node): Likewise.
17933 (get_identifier): Use ggc_alloc_string when GC'ing.
17934 (build_string): Likewise.
17935 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
17936 (tree_cons): Likewise.
17937 (build1): Likewise.
17938 (type_hash_canon): Don't call obstack_free when GC'ing.
17940 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
17942 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
17943 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
17945 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
17946 Bernd Schmidt <bernds@cygnus.co.uk>
17947 Mark Mitchell <mark@codesourcery.com>
17949 * Makefile.in (stor-layout.o): Depend on ggc.h.
17950 (expr.o): Depend on ggc.h.
17951 (profile.o): Depend on ggc.h.
17952 (stor-layout.o): Depend on ggc.h.
17953 * emit-rtl.c (init_emit_once): Add gc roots.
17954 * expr.c: Include ggc.h.
17955 (emit_block_move): Add gc roots.
17956 (clear_storage): Likewise.
17957 * expr.h (init_stor_layout_once): New function.
17958 * profile.c: Include ggc.h.
17959 (init_arc_profiler): profiler_label is a root.
17960 * scan.c (make_sstring_space): Trust xrealloc to function
17961 correctly with first parameter NULL.
17962 * stor-layout.c: Include ggc.h.
17963 (set_sizetype): Add gc root.
17964 (init_stor_layout_once): New function.
17965 * toplev.c (compile_file): Call it.
17967 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
17968 Bernd Schmidt <bernds@cygnus.co.uk>
17969 Mark Mitchell <mark@codesourcery.com>
17971 * Makefile.in (tree.o): Depend on ggc.h.
17972 (varasm.o): Likewise.
17973 (function.o): Likewise.
17974 (stmt.o): Likewise.
17975 (except.o): Likewise.
17976 (optabs.o): Likewise.
17977 (emit-rtl.o): Likewise.
17978 * emit-rtl.c: Include ggc.h.
17979 (sequence_element_free_list): Remove, and all references.
17980 (mark_sequence): New functions.
17981 (mark_emit_state): New function.
17982 * except.c: Include ggc.h.
17983 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
17984 (mark_tree_label_node): New functions.
17985 (mark_eh_state): New function.
17986 * function.c: Include ggc.h.
17987 (mark_temp_slot, mark_function_chain): New functions.
17988 (mark_function_state): New function.
17989 (init_function_once): New function.
17990 * function.h (init_function_once): New function.
17991 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
17992 * ggc.h (label_node): Declare.
17993 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
17994 (lang_mark_false_label_stack): New function.
17995 (mark_temp_slot): Remove declaration.
17996 (mark_function_chain): Likewise.
17997 (mark_eh_state): Adjust prototype.
17998 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
18000 * optabs.c: Include ggc.h.
18001 (mark_optab): New function.
18002 (init_optabs): Add gc roots.
18003 * stmt.c: Include ggc.h.
18004 (mark_cond_nesting, mark_loop_nesting): New functions.
18005 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
18006 (mark_stmt_state): New function.
18007 * toplev.c (compile_file): Call init_function_once.
18008 * tree.c: Include ggc.h.
18009 (type_hash): Move declaration earlier in file.
18010 (TYPE_HASH_SIZE, type_hash_table): Likewise.
18011 (init_obstacks): Add gc roots.
18012 (mark_type_hash): New function.
18013 * varasm.c: Include ggc.h.
18014 (mark_pool_constant): New function.
18015 (mark_varasm_state): New function.
18017 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18019 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
18021 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18023 * c-decl.c (struct language_function): Renamed from struct c_function.
18025 (c_function_chain): Delete.
18026 (push_c_function_context): New arg F. Don't warn about nested
18027 functions here. Fill LANGUAGE elt of F. Delete code to update
18028 c_function_chain. Don't call push_function_context.
18029 (pop_c_function_context): New arg F. Restore from there instead of
18030 from c_function_chain. Don't call pop_function_context. Clear out
18031 LANGUAGE field of F when done.
18032 * c-lang.c: Include "function.h"
18033 (lang_init): Initialize save_lang_status and restore_lang_status.
18034 * c-parse.in (nested_function, nested_function_notype): Warn about
18035 nested functions. Call push_function_context/pop_function_context
18036 instead of the _c_ variants.
18037 * c-tree.h (push_c_function_context, pop_c_function_context): Update
18039 * Makefile.in (c-lang.o): Update dependencies.
18041 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
18042 regno_pointer_flag, regno_pointer_align.
18043 (gen_reg_rtx): Use xrealloc to enlarge them.
18044 (free_emit_status): New function.
18045 * function.c (mark_machine_status, mark_lang_status): New variables.
18046 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
18047 in some bits from assign_stack_local. All callers changed to use new
18049 (assign_stack_local): Just call assign_stack_local_1.
18050 (free_after_compilation): New function.
18051 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
18052 (trampoline_address): Likewise.
18053 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
18054 (prepare_function_start): Explicitly clear some more variables.
18055 * function.h (struct function): New elt can_garbage_collect.
18056 (mark_machine_status, mark_lang_status): Declare variables.
18057 (free_after_compilation, free_emit_status, free_varasm_status,
18058 init_varasm_status): Declare functions.
18059 * toplev.c (rest_of_compilation): Call free_after_compilation when
18060 done with the current function.
18061 * varasm.c (free_varasm_status): New function.
18063 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
18065 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
18066 (EXPAND_BUILTIN_VA_ARG): Define.
18067 * sparc.c (sparc_va_start): New.
18068 (sparc_va_arg): New.
18070 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18072 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
18074 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18076 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
18078 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
18080 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
18081 (OBJS): Add $(GGC).
18082 (ggc-callbacks.o): New target.
18083 * ggc-callbacks.c: New file.
18085 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18087 * expr.h: Collapse individual optab and libfunc vars to arrays.
18088 (optab_index, libfunc_index): New enumerations.
18089 (optab_table, libfunc_table): New arrays.
18090 Add accessor macros for both.
18092 * optabs.c (optab_table, libfunc_table): New.
18093 Delete declarations for individual optab and libfunc vars.
18095 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
18097 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
18099 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
18101 * Makefile.in (GGC, GGC_LIB): New.
18102 (HOST_RTL): Include ggc-none.o.
18103 (ggc-simple.o): New target.
18104 (ggc-none.o): Likewise.
18105 * tree.h (tree_common): Add gc_mark.
18106 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
18107 (struct rtvec_def): Add gc_mark.
18108 * emit-rtl.c (global_rtl): Update static initializers to contain
18109 enough initializers.
18110 * ggc.h, ggc-none.c, ggc-simple.c: New files.
18111 * toplev.c (gc_time): New variable.
18112 (all_time): New variable.
18113 (compile_file): Print gc time.
18114 (print_time): Calculate percentage of the whole.
18116 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18118 Change obstack memory management and varasm constant pool handling so
18119 that nested functions are treated like any other functions.
18120 * function.c (init_machine_status): New variable.
18121 (push_function_context_to): Set contains_functions for the outer
18122 function. Don't call save_varasm_status.
18123 (pop_function_context_from): Don't call restore_varasm_status. Don't
18124 set current_function_contains_functions.
18125 (prepare_function_start): Call init_varasm_status rather than
18126 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
18128 * function.h (struct function) Add field varasm. Delete fields
18129 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
18130 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
18131 (init_machine_status): Declare.
18132 (save_varasm_status, restore_varasm_status): Delete declarations.
18133 (save_tree_status, restore_tree_status): Delete last argument.
18134 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
18135 code. All callers changed.
18136 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
18137 save_constants_in_decl_trees, restore_constants, save_constants,
18138 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
18140 (inlining): New variable.
18141 (reg_map, label_map, insn_map, orig_asm_operands_vector,
18142 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
18144 (save_for_inline_nocopy): Don't save constants.
18145 Don't set inl_emit field in current_function.
18146 (expand_inline_function): Use emit field, not inl_emit, of the inlined
18147 function. Set new variable inlining before
18148 calling copy_rtx_and_substitute.
18149 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
18150 constant pool references if inlining is nonzero.
18151 Delete ADDRESS and (most of the) CONST cases.
18152 (output_inline_function): Save and restore current_function/
18153 current_function_decl. Delete restore_constants code. Don't call
18154 init_const_rtx_hash_table.
18155 * output.h (init_const_rtx_hash_table): Don't declare.
18156 * rtl.h (struct function): Declare.
18157 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
18158 * toplev.c (rest_of_compilation): Don't treat nested functions or
18159 functions containing them specially. Delete all code to deal with
18160 save_for_inline_copying.
18161 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
18162 inline_obstacks): Delete variables.
18163 (save_tree_status): Lose arg CONTEXT. All callers changed.
18164 Simply allocate a new function_maybepermanent_obstack for the new
18165 function, delete all the special cases.
18166 Don't save inline_obstacks.
18167 (restore_tree_status): Lose arg CONTEXT. All callers changed.
18168 Delete special handling for function_maybepermanent_obstack; simply
18170 Don't restore inline_obstacks.
18171 (permanent_allocation): Delete code that frees inline_obstacks.
18172 (print_inline_obstack_statistics): Delete function.
18173 (dump_tree_statistics): Don't call it.
18174 * varasm.c (struct varasm_status): New.
18175 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
18176 last_pool, pool_offset, const_double_chain): Delete global
18177 variables, replace with accessor macros.
18178 (immed_double_const): Don't walk const_double_chain outside a
18179 function, but don't treat nested functions specially anymore.
18180 (immed_real_const_1): Likewise.
18181 (clear_const_double_mem): Don't treat nested functions specially.
18182 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
18183 (save_varasm_status, restore_varasm_status): Delete functions.
18184 (init_varasm_status): New function.
18185 (force_const_mem): Don't treat nested functions specially.
18186 (find_pool_constant): Accept new arg F, search for constants in
18187 that function's pool rather than the current one. All callers
18189 (get_pool_constant_for_function, get_pool_mode_for_function): New
18192 * i386.c (init_386_machine_status): New function, mostly from
18193 clear_386_stack_locals.
18194 (struct machine_functions): Rename element names to avoid name
18196 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
18197 macros, replacing global variables.
18198 (clear_386_stack_locals, save_386_machine_status,
18199 restore_386_machine_status): Delete functions.
18200 (override_options): Initialize init_machine_status.
18201 * i386.h (INIT_EXPANDERS): Delete macro.
18202 (save_386_machine_status, restore_386_machine_status,
18203 clear_386_stack_locals): Delete declarations.
18205 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18207 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
18208 (doloop_begin): Simplify pattern and use emit_jump_insn.
18209 (doloop_end): Simplify pattern, switch operand order,
18210 and use emit_jump_insn.
18212 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
18214 * function.h (struct function): Add new element LANGUAGE.
18215 (save_lang_status): Declare new variable.
18216 (restore_lang_status): Likewise.
18217 * function.c (save_lang_status): Define.
18218 (restore_lang_status): Likewise.
18219 (push_function_context_to): Call language-specific save function.
18220 (pop_function_context_from): Call language-specific restore function.
18222 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18224 * i386.md (movsf_1): Check REG_P before use of REGNO.
18225 (movdf_1): Likewise.
18226 (movxf_1): Likewise.
18227 (extendsfdf2): Likewise.
18228 (extendsfxf2): Likewise.
18229 (extenddfxf2): Likewise.
18231 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18233 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
18234 constants into memory.
18235 (c4x_shiftable_constant): New function.
18236 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
18237 (c4x_shiftable_constant): Declare.
18238 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
18239 ashlqi3_noclobber): Add new patterns and associated splitters.
18241 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
18243 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
18244 * dwarf2out.c (dwarf2out_frame_init): Likewise.
18245 * final.c (shorten_branches): Likewise.
18246 * global.c (global_alloc): Likewise.
18247 * haifa-sched.c (build_control_flow): Likewise.
18248 * stmt.c (check_for_full_enumeration_handling): Likewise.
18249 (estimate_case_costs): Likewise.
18251 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
18253 * rtl.h (RTL_CHECKC2): Fix typo in last change.
18255 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
18257 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
18258 (recompute_reg_usage): Likewise.
18259 * rtlanal.c (find_regno_fusage): Likewise.
18261 * rtl.c (rtl_check_failed_code1): New function.
18262 (rtl_check_failed_code2): New.
18263 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
18264 (RTL_CHECKC1, RTL_CHECKC2): New.
18265 (XC*): New accessor macros.
18266 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
18267 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
18268 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
18269 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
18270 (TRAP_*, RANGE_INFO_*): Likewise.
18272 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18274 * Makefile.in (tlink.o): Don't depend on toplev.h.
18276 * collect2.c (c_file, o_file, export_file, import_file, ldout,
18277 output_file, nm_file_name, ldd_file_name, strip_file_name,
18278 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
18279 add_prefix, prefix_from_env, prefix_from_string, do_wait,
18280 fork_execute, maybe_unlink, add_to_list,
18281 extract_init_priority, write_list, dump_list,
18282 dump_prefix_list, write_list_with_asm, write_c_file,
18283 write_c_file_stat, write_c_file_glob, scan_prog_file,
18284 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
18285 ignore_library, extract_string, notice, dump_file, target_machine,
18286 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
18287 read_file, print_load_command): Constify a char*.
18288 (fdopen, error, fatal, fatal_perror): Don't prototype.
18289 (my_strerror): Remove. All callers use xstrerror instead.
18290 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
18291 (main): Add prototype. Constify lots of char* ptrs. Change calls
18292 to xcalloc/strcpy/strcat/... to one call to concat.
18293 (main, scan_prog_file, scan_libraries): Use an intermediate
18294 `const char **' to build an argv array.
18295 (mapfile, libselect, libcompare, locatelib): Add prototypes.
18297 * collect2.h (collect_execute, collect_wait, dump_file,
18298 file_exists): Constify a char*.
18299 (ldout, c_file_name, temporary_obstack, permanent_obstack,
18300 temporary_firstobj, vflag, debug): Add extern declarations.
18301 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
18303 * tlink.c: Don't include toplev.h.
18304 (vflag, debug, ldout, c_file_name, temporary_obstack,
18305 permanent_obstack, temporary_firstobj): Don't declare.
18306 (tlink_execute, frob_extension, symbol_hash_lookup,
18307 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
18308 recompile_files, read_repo_files, demangle_new_symbols,
18309 scan_linker_output): Constify a char*.
18310 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
18311 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
18313 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
18315 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
18316 (relative) rather than jsr (absolute) subroutine call insns.
18317 * config/m68k/m68k-coff.h: Ditto.
18319 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
18321 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
18322 now rework these too.
18323 (arm_reorg): If an insn can't reach the end of the current pool,
18324 ensure that we emit that pool before the insn.
18326 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
18328 * tlink.c (scan_linker_output): Skip the initial underscore in
18329 a mangled name if appropriate.
18331 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18333 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
18334 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
18335 error_with_ivar, gen_declarator, create_builtin_decl,
18336 my_build_string, generate_descriptor_table, generate_ivars_list,
18337 generate_dispatch_table, check_protocols, TAG_GETCLASS,
18338 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
18339 dump_base_name, lang_decode_option, build_encode_expr,
18340 start_class, finish_class, encode_pointer, really_start_method,
18341 gen_declaration, dump_interface, handle_class_ref, handle_impent):
18343 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
18344 Add static prototypes.
18345 (build_objc_string_decl, build_selector_reference_decl,
18346 encode_bitfield, build_class_reference_decl): Remove unused
18347 parameter, all callers changed.
18348 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
18349 (objc_printable_name): Likewise. Change second parameter to type int.
18350 (init_objc): Use memcpy, not bcopy, to avoid casts.
18352 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
18354 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
18355 reg notes on a deleted insn.
18356 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
18358 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
18360 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
18362 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18364 * stmt.c (expand_asm_operands): Fix index into inout_mode when
18367 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
18369 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
18370 * tm.texi (MD_ASM_CLOBBERS): Document it.
18372 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
18374 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
18375 * except.c (expand_rethrow): Remove unused variable.
18376 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
18377 * flow.c (replace_insns): Likewise.
18378 (create_edge_list, verify_edge_list): Likewise.
18379 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
18381 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
18382 is special code to run.
18383 (main): Don't define operands to emit_operand.
18384 * genrecog.c (main): Don't emit an empty peephole2_insn function.
18386 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
18388 * alpha/alpha.h (normal_memory_operand): Declare.
18389 (reg_no_subreg_operand): Declare.
18390 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
18392 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
18394 * c-parse.in (compstmt_primary_start): New, broken out of first
18395 part of compstmt handling in primary.
18396 (primary): Use it. Add an error clause.
18397 (compstmt_nostart): Renamed from compstmt; remove all
18398 initial invocations of compstmt_start.
18401 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
18403 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
18406 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
18408 * combine.c (simplify_shift_const): Remove extra semicolon.
18409 * dwarf2out.c (remove_AT): Likewise.
18410 * expmed.c (expand_mult): Likewise.
18411 * gcov.c (create_program_flow_graph): Likewise.
18412 * reorg.c (mostly_true_jump): Likewise.
18414 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
18416 * fold-const.c (fold_range_test): Do not try to fold the range
18417 test if the rhs or lhs has side effects.
18419 * combine.c (simplify_rtx): Recognize another case of a synthesized
18422 * varasm.c (mark_constant_pool): When marking indirect references,
18423 only look at SYMBOL_REFs.
18425 * except.c (expand_fixup_region_end): Do not peek at
18426 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
18428 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
18430 * flags.h: New variables align_loops, align_loops_log,
18431 align_jumps, align_jumps_log, align_labels, align_labels_log,
18432 align_functions, align_functions_log.
18433 * toplev.c: Define them.
18434 (f_options): Handle -falign-* when they have no argument.
18435 (main): Add logic to set variables for -falign-functions,
18436 -falign-jumps, -falign-labels, -falign-loops.
18437 Make it -fsched-verbose=<n> and -finline-limit=<n>.
18438 (display_help): Change help to match options.
18439 * final.c (LABEL_ALIGN): Default to align_labels_log.
18440 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
18441 (LOOP_ALIGN): Default to align_loops_log.
18442 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
18443 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
18444 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
18445 * varasm.c (assemble_start_function): Handle align_functions.
18447 * config/sparc/sparc.h: Don't declare sparc_align_*.
18448 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
18449 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
18451 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
18453 * config/sparc/sparc.c: Delete sparc_align_loops,
18454 sparc_align_jumps, sparc_align_funcs and the corresponding string
18456 (sparc_override_options): Default align_functions on ultrasparc.
18457 Delete -malign-* handling.
18459 * config/mips/mips.c (override_options): On 64-bit targets,
18460 try to align code to 64-bit boundaries.
18461 (print_operand): New substitution, %~,
18462 which aligns labels to align_labels_log.
18463 * config/mips/mips.md (div_trap_normal): Use %~.
18464 (div_trap_mips16): Likewise.
18466 (absdi2): Likewise.
18467 (ffssi2): Likewise.
18468 (ffsdi2): Likewise.
18469 (ashldi3_internal): Likewise.
18470 (ashrdi3_internal): Likewise.
18471 (lshrdi3_internal): Likewise.
18472 (casesi_internal): Likewise.
18474 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
18476 Merge new ia32 backend from the branch!
18478 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
18479 See ChangeLog.P2 on new_ia32_branch for details.
18481 * rtl.h (stack_regs_mentioned_p): Delete prototype.
18482 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
18483 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
18484 * i386/gas.h (ASM_FILE_START): Define.
18485 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
18486 for name change of ix86_valid_decl_attribute_p.
18487 (i386_pe_valid_type_attribute_p): Similarly.
18489 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
18491 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
18492 to step through CC modes.
18494 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18496 * regmove.c (fixup_match_1): Don't move INSN in front of P if
18497 it would end up in the shadow of a live flags regsiter.
18499 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18501 * reload1.c: Fix many indentation problems.
18502 * reload.c: Likewise.
18504 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
18506 * alias.c (non_local_reference_p): Constify fmt.
18508 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
18510 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
18512 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
18514 * cse.c (delete_trivially_dead_insns): Do not delete stores to
18515 the internal_arg_pointer.
18517 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
18519 Merge peephole2 from new_ia32_branch:
18520 * Makefile.in (STAGESTUFF): Add *.peephole2.
18521 (mostlyclean): Likewise.
18522 (recog.o): Depend on resource.h.
18524 * final.c (peephole): Conditionalize decl on HAVE_peephole.
18525 (final_scan_insn): Likewise for the invocation of peephole.
18526 * genconfig.c (main): Look for peephole and peephole2 patterns.
18527 Emit HAVE_peephole* accordingly.
18528 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
18529 * flags.h (flag_peephole2): Declare.
18530 * toplev.c: New pass peephole2. New flag -fpeephole2.
18532 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
18533 * gencodes.c (main): Likewise.
18534 * genextract.c (main): Likewise.
18535 * genoutput.c (main): Likewise.
18536 * genemit.c (max_operand_1): Look for the max scratch operand.
18537 (gen_rtx_scratch): New.
18538 (gen_exp): Use it, and pass on new arg subroutine_type.
18539 (gen_expand): Take max scratch into account.
18540 (gen_split): Emit peephole2 functions.
18541 (output_peephole2_scratch): New.
18542 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
18543 * genrecog.c (routine_type): Add PEEPHOLE2.
18545 (make_insn_sequence): Match outer parallel for peep2. Discard
18546 top level scratches and dups.
18547 (add_to_sequence): New args insn_type and top. Update all callers.
18548 Handle toplevel peep2 matching insns.
18549 (write_subroutine): Handle peep2.
18550 (write_tree_1): Likewise.
18551 (write_tree): Likewise.
18553 (change_state): New arg afterward. Update all callers.
18554 Handle matching separate insns.
18555 * recog.c (recog_next_insn): New.
18556 (peephole2_optimize): New.
18557 * rtl.def (DEFINE_PEEPHOLE2): New.
18558 * resource.c (find_free_register): New argument last_insn. Use it
18559 to find a register available through the entire span.
18560 * resource.h (find_free_register): Update prototype.
18562 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
18564 * i386.c (output_strlen_unroll): Don't write xops[7]
18565 label if it wasn't set.
18567 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
18569 * cpplib.c (struct directive): Const-ify name pointer and
18570 function pointer prototype.
18571 (validate_else, do_define, do_line, do_include, do_undef,
18572 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
18573 do_elif, do_endif, do_sccs, do_assert, do_unassert,
18574 do_warning): Const-ify second arg.
18575 (directive_table): Mark const. Reorder entries by frequency
18576 of usage, record statistics.
18578 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
18580 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
18581 bounds- check RTL accesses if --enable-checking.
18582 (RTVEC_ELT): Bounds check if --enable-checking.
18583 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
18584 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
18585 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
18587 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
18588 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
18590 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
18591 (NOTE_SOURCE_FILE): Use X0STR.
18592 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
18593 MEM_ALIAS_SET): Use X0INT.
18594 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
18595 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
18597 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
18598 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
18599 (rtl_check_failed_bounds, rtl_check_failed_type1,
18600 rtl_check_failed_type2, rtvec_check_failed_bounds): New
18602 (fancy_abort): Fix comment.
18604 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
18605 (cse_insn): Decrement LABEL_NUSES for jump target before
18606 deleting jump insn.
18607 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
18608 * final.c (alter_subreg): Compute regno before changing x to
18609 REG; set REGNO(x) after changing it.
18610 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
18611 notes containing CONST_INTs.
18612 (delete_eh_regions): Use NOTE_EH_HANDLER.
18613 * function.c (put_reg_into_stack): Make reg a MEM before
18615 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
18617 (gen_mem_addressof): Make reg a MEM before initializing it.
18618 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
18620 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
18621 deleting an insn, not after.
18622 (block_alloc): Only look at PATTERN(insn) if we have to, and
18623 only if it's format class 'i'.
18624 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
18625 CONST_INT before using its INTVAL.
18626 * print-rtl.c (print_rtx): Use X0STR.
18627 * regmove.c (fixup_match_1): Don't look at PATTERN of
18628 non-class-'i' insn chain elements.
18629 * reload.c (loc_mentioned_in_p): Take address of
18630 in->fld[1].rtx directly.
18631 * reload1.c (reload): Change reg to a MEM before initializing
18633 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
18635 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
18637 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
18639 * config/mips/mips.c (machine_dependent_reorg): Force a
18640 barrier to output the local constant pool if a barrier hasn't
18641 been found at a natural point in the instruction stream.
18643 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18645 * c-parse.in (language_string): Constify.
18647 * dwarf2out.c (language_string): Remove declaration.
18649 * dwarfout.c (language_string): Likewise.
18651 * toplev.c (language_string, init_parse, finish_parse): Likewise.
18653 * tree.h (language_string, init_parse, finish_parse): Declare.
18655 * i386/sun386.h (language_string): Remove declaration.
18657 * mips.h (language_string): Likewise.
18659 * nextstep.h (language_string): Likewise.
18661 * nextstep21.h (language_string): Likewise.
18663 * rs6000.c (language_string): Likewise.
18665 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18667 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
18668 (getpwd.o): Remove target.
18670 * getpwd.c: Delete file. Its in libiberty now.
18672 * dbxout.c (getpwd): Don't prototype.
18673 * dwarf2out.c (getpwd): Likewise
18674 * dwarfout.c (getpwd): Likewise
18675 * final.c (getpwd): Likewise.
18676 * protoize.c (getpwd): Likewise.
18678 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18680 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
18682 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
18684 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
18685 mark_set_resources.
18687 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
18689 * fixinc/Makefile.in (subdir): New.
18690 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
18693 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
18695 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
18696 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
18699 * invoke.texi: Fix typo.
18701 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
18702 changed. Handle autoincrement addressing modes.
18704 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
18705 just like we would the virtual incoming args register when
18708 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
18710 * rs6000.h (ASM_FILE_START): Specify complete filename, including
18711 path, in .file directive.
18713 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
18715 * gcc.texi (External Bugs): Remove obsolete note about Perl on
18718 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
18720 * stdbool.h: Make the typedef name _Bool, with bool a #defined
18723 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18725 * tree.c (tree_code_name): Constify a char*.
18727 * tree.h (tree_code_name, decl_printable_name): Likewise.
18729 * function.h (struct function): Likewise.
18731 * toplev.c (decl_name, decl_printable_name): Likewise.
18733 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
18735 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
18736 (init_objc): Remove function pointer cast.
18738 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
18740 * pa.md (interspace_jump): New pattern.
18741 (builtin_longjmp): New expander.
18743 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
18745 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
18746 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
18747 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
18749 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
18751 * jump.c (delete_prior_computation): Also check calls
18752 to constant functions. Don't bother checking for a
18753 REG_UNUSED note before adding it.
18754 (delete_computation): Handle multi-word hard registers
18755 when synthesizing missing REG_DEAD notes for a register
18756 which is both set and used by an insn.
18758 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18760 * loop.c (this_loop_info): New variable.
18761 (loop_has_call, loop_has_volatile, loop_has_tablejump,
18762 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
18764 (prescan_loop, strength_reduce): New argument loop_info. All callers
18766 (scan_loop): New variable loop_info, initialise to address of
18768 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
18769 Delete variable loop_has_multiple_exit targets and replace with
18770 field in this_loop_info.
18771 (find_and_verify_loops): Rename this_loop to this_loop_num.
18772 (strength_reduce): Delete loop_iteration_info. Replace variable
18773 loop_info with function argument of same name.
18774 (insert_bct): Rework test for loop being completely unrolled.
18776 * loop.h (struct loop_info): New fields num, loops_enclosed,
18777 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
18778 has_indirect_jump, and cont. Redefine use of unroll_number.
18779 (loop_unroll_number): Delete.
18781 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
18782 field of loop_info.
18783 (loop_iterations): Delete variable vtop and instead use
18784 loop_info->vtop computed in prescan_loop.
18786 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
18788 * fix-header.c (main): Do not pass a null pointer to strcmp.
18790 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
18792 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
18794 * configure: Rebuilt.
18796 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
18798 * jump.c (jump_optimize_1): Do not delete assignments to
18799 internal_arg_pointer.
18800 * cse.c (delete_trivially_dead_insns): Always consider a set of
18801 the internal_arg_pointer live.
18803 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
18805 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
18806 (update_life_info) [REG_WAS_0]: Search the original insns rather
18807 than the new insns for the note. Fix typos finding note_dest.
18808 If no dest found, discard the note rather than abort.
18809 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
18810 (replace_insns): Remove the old insn list after update_life_info
18813 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
18815 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
18816 sched_analyze_insn.
18817 (sched_analyze_1): Let add_dependence care for not adding dups.
18818 (sched_analyze_2): Likewise.
18819 (add_branch_dependences): Likewise.
18821 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
18823 * i386/winnt.c (export_list): New type.
18824 (exports_head): Rename to
18825 (export_head): this.
18826 (i386_pe_record_exported_symbol): Add is_data flag.
18827 (i386_pe_asm_file_end): Emit directive for exported variables.
18828 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
18830 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
18831 (ASM_DECLARE_OBJECT_NAME): Likewise.
18832 (ASM_DECLARE_FUNCTION_NAME): Likewise.
18833 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
18835 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
18837 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
18839 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
18842 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
18844 * config/openbsd.h: Define SET_ASM_OP.
18845 * tm.texi: cross-reference SET_ASM_OP in the index.
18847 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
18849 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
18850 for a CONST_DOUBLE, at compile time. Initialize rtx_length
18851 and class_narrowest_mode at compile time. Kill init_rtl.
18852 Mark rtx_length, mode_class, mode_size, mode_unit_size,
18853 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
18854 rtx_format as const. Kill all references to EXTRA_CC_MODES or
18856 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
18858 * rtl.h: Declare rtx_length and rtx_format as const.
18859 * machmode.def: Define CC(). Use CC() to define CCmode. If
18860 EXTRA_CC_MODES is defined, expand it here.
18861 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
18862 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
18863 const. Kill all references to EXTRA_CC_MODES.
18865 * toplev.c: Don't prototype or call init_rtl.
18866 * optabs.c: Don't call init_mov_optab.
18867 * genemit.c: Don't generate init_mov_optab. Don't call
18869 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
18871 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
18872 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
18873 genrecog.c: Don't call init_rtl.
18875 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
18876 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
18877 definition of EXTRA_CC_MODES.
18879 * md.texi: Kill ref to EXTRA_CC_NAMES.
18880 * tm.texi: Document new way to define EXTRA_CC_MODES.
18882 * genrecog.c: Do not look up the name of a define_split.
18883 (Unrelated bugfix.)
18885 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
18887 * config/v850/v850.md: Fix typo introduced by previous delta.
18889 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18891 * gcc.c (fatal): Make definition static to match prototype.
18893 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18895 * combine.c (get_last_value): Don't look for earlier sets if the last
18896 known set is somewhere in between the insns being combined.
18898 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
18900 * configure.in: Don't use shell ! to negate exit codes
18901 * configure: Regenerate
18903 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
18905 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
18906 the fact that ALIGN is measured in bits, not bytes.
18908 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
18910 * errors.c: New file; defines functions error, warning, and
18911 fatal, variables have_error and progname.
18912 * errors.h: New file; prototypes and decls for stuff in errors.c.
18914 * Makefile: Add rules to build errors.o and
18915 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
18916 genopinit, genrecog, genextract, genpeep, genattr, and
18917 genoutput with errors.o. Add errors.h to deps of genconfig.o,
18918 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
18919 genpeep.o, genattr.o, and genoutput.o.
18921 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
18922 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
18923 define or prototype fatal. Set progname at beginning of main.
18924 * genoutput.c: Likewise, and don't define or prototype error
18927 * c-typeck.c (c_expand_start_case): Return immediately if exp
18929 * fold-const.c (operand_equal_p): Return immediately if arg1
18930 or arg0 are ERROR_MARKs.
18931 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
18932 fields of type ERROR_MARK when calculating if the record can
18935 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
18936 with much help from Jeffrey A Law and Richard Henderson
18938 * i386.md: In the 6 insns which call output_fix_trunc,
18939 earlyclobber operands[0].
18941 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
18943 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
18944 creating new registers.
18946 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
18948 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
18949 i386_reg_alloc_order, i386_regparm_string,
18950 i386_align_loops_string, i386_align_jumps_string,
18951 i386_align_funcs_string, i386_preferred_stack_boundary_string,
18952 and i386_branch_cost_string as type "const char *".
18953 * i386.c: Define all above strings as type "const char *".
18955 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
18957 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
18958 when emitting alignment padding. Emit padding byte of 0 instead of 4.
18960 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18962 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
18963 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
18965 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
18967 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
18968 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
18969 (dwarf2out_line, dwarf2out_finish): Likewise.
18970 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
18972 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
18974 * tree.c (lang_unsave_expr_now) : Correct return type.
18975 * tree.h (lang_unsave_expr_now) : Same.
18977 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
18979 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
18980 instead of duplicating code.
18982 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18984 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
18986 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
18988 * tree.h: fancy_abort always takes three args.
18989 * resource.c: Move include of system.h before toplev.h.
18991 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
18993 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
18996 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
18998 * system.h: Don't redefine abort or trim_filename.
18999 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
19000 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
19001 whether or not __FUNCTION__ is available.
19002 * tree.h: Duplicate rtl.h's definition of abort, for files
19003 that don't include rtl.h. Delete all code to perform type
19004 checking with a compiler other than GCC.
19005 * varray.h: Delete all code to perform type checking with a
19006 compiler other than GCC. Make VARRAY_CHECK() always evaluate
19007 its arguments exactly once, using a statement expression.
19008 Adjust the VARRAY_<type> accessor macros to match.
19009 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
19010 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
19011 caller's location. Define fatal_insn and fatal_insn_not_found
19012 as macros that use _fatal_insn and _fatal_insn_not_found.
19013 (fancy_abort, trim_filename): Kill prototypes.
19015 * rtl.c (trim_filename): Move here from toplev.c.
19016 (fancy_abort): New function.
19017 (DIR_SEPARATOR): Provide default definition.
19018 * tree.c (tree_check_failed, tree_class_check_failed): Go
19019 through fancy_abort.
19020 (tree_check, tree_class_check, cst_or_constructor_check,
19021 expr_check): Delete.
19022 * varray.c (varray_check_failed): New function.
19023 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
19024 _fatal_insn and _fatal_insn_not_found. Go through
19026 (trim_filename, fancy_abort): Delete.
19028 * builtins.c (expand_builtin_args_info): Report ICE with abort.
19029 * except.c (start_catch_handler): Report ICE with error/abort
19031 * final.c (output_operand_lossage): Likewise.
19032 * flow.c (verify_flow_info): Likewise.
19034 * gcc.c: Prototype fatal.
19035 * gengenrtl.c: Undef abort after including rtl.h not system.h.
19036 * genattr.c, genattrtab.c, genemit.c, genextract.c,
19037 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
19038 Don't define fancy_abort.
19040 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
19042 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
19045 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
19047 * m88k.h (VERSION_INFO2): Kill.
19048 (VERSION_STRING): Kill.
19050 (VERSION_INFO1): Tidy.
19051 (TARGET_VERSION): Update.
19052 * m88k/dgux.h (VERSION_INFO2): Kill.
19053 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
19054 * m88k/luna.h (VERSION_INFO1): Tidy.
19055 * m88k/sysv4.h (VERSION_INFO1): Likewise.
19056 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
19057 (output_file_start): Adjust for death of VERSION_STRING.
19059 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
19061 * cpplib.c (detect_if_not_defined): New function.
19062 (do_if): Use it to detect potential once-only headers.
19064 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
19066 * c-common.c (combine_strings): Always set TREE_CONSTANT.
19068 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
19070 * combine.c (nonzero_bits) : Allow single-ly set registers to be
19071 anywere in the function only if they are pseudos and set before
19072 being used (not live at the start of the function).
19073 (num_sign_bit_copies) : Same.
19074 (get_last_value_validate) : Same.
19075 (get_last_value) : Same.
19077 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
19079 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
19080 where N and M are constant and N is an integer multiple of M.
19082 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19084 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
19085 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
19086 sbitmap_union_of_preds): Add prototypes.
19087 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
19088 the intersection of successors with the new flow graph structures.
19089 (sbitmap_intersection_of_preds): New function to compute the
19090 intersection of predecessors with the new flow graph structures.
19091 (sbitmap_union_of_succs): New function to compute the union of
19092 successors with the new flow graph structures.
19093 (sbitmap_union_of_preds): New function to compute the union of
19094 predecessors with the new flow graph structures.
19095 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
19096 (expr_reaches_here_p): Use edge and basic_block structures instead
19097 of s_preds and s_succs.
19098 (compute_cprop_avinout): Use new sbitmap routines.
19099 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
19100 of s_preds and s_succs.
19101 * flow.c (compute_flow_dominators): Compute dominators using
19102 edges and basic blocks instead of s_preds and s_succs.
19104 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19106 * lists.c (unused_insn_list, unused_expr_list): New file for
19107 maintaining various types of lists. New statics for maintaining a
19108 cache of available INSN_LIST and EXPR_LIST nodes.
19109 (free_list): Static function for freeing a list of INSN/EXPR nodes.
19110 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
19111 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
19112 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
19113 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
19114 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
19115 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
19116 (free_INSN_LIST_node): Free an individual INSN_LIST node.
19117 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
19118 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
19119 (remove_dependence, free_pending_lists): Use new global routines.
19120 (flush_pending_lists, sched_analyze_insn): Use new global routines.
19121 (sched_analyze, compute_block_backward_dependences): Use new routines.
19122 (sched_analyze_1, sched_analyze_2): Use new routines.
19123 (schedule_insns): Use new global routines.
19124 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
19126 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
19127 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
19129 * toplev.c (rest_of_compilation): Initialize node cache.
19130 * Makefile.in (OBJS): Add lists.o to list of object files.
19131 (lists.o): Add dependancies.
19133 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
19135 * config/v850/v850.md: Fix compile time warning messages.
19136 * config/v850/v850.c: Fix compile time warning messages.
19137 * config/v850/v850.h: Fix compile time warning messages.
19139 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19141 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
19142 Remove unused prototype for `init_lengths'.
19144 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19146 * calls.c (emit_call_1): Mark parameter `stack_size' with
19148 (expand_call): Initialize variable `insn'.
19149 (emit_library_call): Likewise for variable `high_to_save'.
19150 (emit_library_call_value): Likewise.
19151 (store_one_arg): Likewise for variables `lower_bound' and
19154 * combine.c (try_combine): Likewise for variables `i2_code_number'
19155 and `other_code_number'.
19156 (find_split_point): Likewise for variables `pos', `unsignedp' and
19158 (simplify_if_then_else): Likewise for variables `op' and `c1'.
19159 (simplify_and_const_int): Remove unused variable `width'.
19160 (merge_outer_ops): Likewise.
19162 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
19163 HOST_WIDE_INT' when comparing against one.
19164 (simplify_relational_operation): Likewise.
19165 (cse_insn): Initialize variables `src_eqv_volatile',
19166 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
19168 * final.c (init_final): Constify parameter `filename'.
19169 (final_start_function): Mark parameter `optimize' with
19171 (profile_function): Likewise for parameters `first' and `optimize'.
19172 (output_source_line): Likewise for parameter `file'.
19174 * integrate.c (subst_constants): Cast a value to `size_t' when
19175 comparing against one.
19176 (mark_stores): Initialize variable `mode'. Cast a value to
19177 `size_t' when comparing against one.
19179 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
19181 * loop.c (move_movables): Initialize variable `first'.
19182 (strength_reduce): Likewise for variable `increment'.
19183 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
19184 value to `size_t' when comparing against one.
19185 (load_mems): Initialize variable `end_label'.
19187 * output.h (init_final): Constify parameter.
19189 * reload.c (decompose): Initialize variable `base'.
19191 * reload1.c (reload): Likewise for variable `is_scalar'.
19192 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
19193 (choose_reload_regs): Initialize variable `mode'.
19194 (emit_reload_insns): Likewise for variable `store_insn'.
19195 (reload_cse_noop_set_p): Mark parameter `insn' with
19197 (reload_combine): Initialize variable `set'.
19199 * unroll.c (unroll_loop): Likewise for variable `local_label'.
19200 (copy_loop_body): Cast a value to `size_t' when comparing against
19203 * varasm.c (assemble_variable): Initialize variable `size_tree'.
19204 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
19205 (remove_from_pending_weak_list): Mark parameter `name' with
19208 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19210 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
19213 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
19215 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
19216 (ASM_DECLARE_FUNCTION_NAME): Define.
19217 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
19218 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
19219 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
19220 not already defined.
19222 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
19224 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
19225 of n_popped when call/call_value are not defined.
19227 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
19229 * tm.texi: GNU CC -> GCC conversion.
19230 (CC1_SPEC): Indicate it is used for all language front ends.
19232 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
19234 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
19235 NOTE_INSN_EH_REGION_END correctly.
19237 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
19238 Jeff Law <law@cygnus.com>
19240 * loop.c (strength_reduce): Automatically unroll loops if the
19241 unrolled loop size is smaller than the rolled loop size.
19243 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
19244 and delete comment that code should be rewritten.
19246 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
19248 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
19251 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
19253 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
19255 * fixinc/mkfixinc.sh: Don't fix uwin headers.
19256 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
19257 (LINK_SPEC): Add -u _main when building executables.
19258 (ASM_DECLARE_FUNCTION): Update from Cygwin.
19259 (ASM_FILE_END): Use the default for ix86-pe.
19260 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
19262 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
19264 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
19265 and ASM_CLOSE_PAREN are empty strings.
19267 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
19268 Geoffrey Keating <geoffk@cygnus.com>
19270 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
19271 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
19272 (unprotoize.o): Ditto.
19273 (test-protoize-simple): Don't define STD_PROTO_DIR.
19274 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
19275 changes to make 'test-protoize-simple' pass.
19276 (STD_PROTO_DIR): Remove define.
19277 (STANDARD_EXEC_PREFIX): Supply default define.
19278 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
19279 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
19280 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
19281 (GET_ENV_PATH_LIST): New macro.
19282 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
19283 (do_processing): Initialize default_syscalls_dir using new
19284 macros. Use it to initialize syscalls_absolute_filename.
19286 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
19288 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
19289 B into a register before emit_conditional_move.
19291 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
19293 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
19294 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
19295 multiplicand out of (+ (* a b) (* c d)).
19297 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
19298 Richard Henderson <rth@cygnus.com>
19300 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
19301 (new_insn_dead_notes): Likewise.
19302 (update_n_sets): Likewise.
19303 (update_flow_info): Move to flow.c, renamed to update_life_info;
19304 extend to handle multiple source insns.
19305 * flow.c: Include resource.h
19306 (unlink_insn_chain): New.
19307 (split_hard_reg_notes): New.
19308 (maybe_add_dead_note): New.
19309 (maybe_add_dead_note_use): New.
19310 (find_insn_with_note): New.
19311 (new_insn_dead_notes): New.
19312 (update_n_sets): New.
19313 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
19314 (maybe_remove_dead_notes): New.
19315 (update_life_info): New.
19316 (prepend_reg_notes): New.
19317 (replace_insns): New.
19318 * output.h (update_life_info): Declare.
19319 * recog.c (split_block_insns): Use update_life_info.
19320 * resource.c (find_free_register): Use reg_alloc_order, don't use
19321 fixed regs, make sure the mode is supported, don't use new regs.
19323 * rtl.h (replace_insns): Declare.
19325 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
19327 * expr.c (expand_expr): Cope with COND_EXPRs with one
19328 non-returning branch.
19330 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
19332 * expr.c (store_expr): Always pass down the target, even when not
19335 1999-08-24 Nick Clifton <nickc@cygnus.com>
19337 * configure.in: Define target_cpu_default for v850 targets.
19338 * configure: Regenerate
19340 * config/v850/v850.h (TARGET_CPU_generic): Define.
19341 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
19342 addresses are 4 byte aligned.
19344 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
19347 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19349 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
19350 (main): Add prototypes.
19352 * genattrtab.c (substitute_address, write_const_num_delay_slots,
19353 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
19354 (write_attr_get): Emit prototypes along with function definition.
19355 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
19356 (write_complex_function): Emit static prototype along with
19357 function definition.
19359 * genemit.c (gen_split): Emit prototypes along with function
19362 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
19363 Likewise for predicates and `insn_operand_predicate'.
19364 (process_template): Emit static prototype along with function
19367 * genrecog.c (make_insn_sequence): Constify a char*. Add
19368 prototypes for get_split_*().
19369 (write_subroutine): Emit prototypes along with function
19372 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19374 * gcse.c (find_avail_set): Follow chains of register-register copies.
19375 Use oprs_not_set_p to guarantee that the returned value can be
19377 (cprop_insn): Don't verify the return value of find_avail_set with
19380 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
19381 (cprop_cc0_jump): New function.
19382 (cprop_insn): Break out new function cprop_jump and use it.
19383 Also use cprop_cc0_jump for machines with CC0.
19384 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
19386 * tree.h (current_function_calls_setjmp,
19387 current_function_calls_longjmp): Delete declarations.
19388 * dsp16xx.c: Include "function.h".
19389 * elxsi.c: Likewise.
19390 * gmicro.c: Likewise.
19391 * h8300.c: Likewise.
19392 * i370.c: Likewise.
19393 * m32r.c: Likewise.
19394 * mn10200.c: Likewise.
19395 * mn10300.c: Likewise.
19396 * ns32k.c: Likewise.
19397 * spur.c: Likewise.
19398 * v850.c: Likewise.
19400 * rtl.h (rtx_equal_function_value_matters): Declare.
19401 * toplev.c (rtx_equal_function_value_matters): Don't declare.
19403 * function.c: Likewise.
19404 * emit-rtl.c: Likewise.
19406 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
19408 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
19411 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
19413 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
19416 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
19418 * cpp.texi: Add a node documenting macro varargs (copied
19421 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
19423 * cppspec.c: Put a null pointer at the end of the new argv.
19425 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
19427 * configure.in: Remove code to select/de-select the haifa
19428 scheduler. Every scheduled port gets haifa now.
19429 * configure: Rebuilt.
19430 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
19432 * Makefile.in: Corresponding changes.
19434 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19436 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
19437 All callers changed.
19438 (prepare_float_lib_cmp): Likewise.
19439 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
19440 * expr.h (emit_float_lib_cmp): Delete declaration.
19441 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
19442 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
19443 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
19445 (cmptf): Now conditional on TARGET_HARD_QUAD.
19447 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
19449 * resource.c (mark_target_live_regs): Use
19450 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
19452 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19454 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
19456 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
19458 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
19460 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19462 * rtl.h (rtx_format): Constify a char*.
19464 * rtl.c (rtx_format): Likewise.
19465 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
19466 (init_rtl): Use accessor macro, not `rtx_format'.
19468 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
19471 * caller-save.c (mark_referenced_regs): Likewise.
19473 * combine.c (subst, make_compound_operation, known_cond,
19474 gen_rtx_combine, update_table_tick, get_last_value_validate,
19475 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
19477 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
19478 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
19479 count_reg_usage): Likewise.
19481 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
19484 * final.c (leaf_renumber_regs_insn): Likewise.
19486 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
19487 dump_edge_info, count_reg_references): Likewise.
19489 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
19490 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
19493 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
19494 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
19495 add_label_notes): Likewise.
19497 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
19498 clear_struct_flag, count_sub_rtxs, count_alternatives,
19499 compares_alternatives_p, contained_in_p, walk_attr_value,
19500 write_expr_attr_cache): Likewise.
19502 * genconfig.c (walk_insn_part): Likewise.
19504 * genemit.c (max_operand_1, gen_exp): Likewise.
19506 * genextract.c (walk_rtx): Likewise.
19508 * genflags.c (num_operands): Likewise.
19510 * genoutput.c (scan_operands): Likewise.
19512 * genpeep.c (match_rtx): Likewise.
19514 * genrecog.c (add_to_sequence): Likewise.
19516 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
19519 * integrate.c (save_constants, copy_for_inline,
19520 copy_rtx_and_substitute, subst_constants, restore_constants):
19523 * jump.c (mark_jump_label, invert_exp, redirect_exp,
19524 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
19526 * local-alloc.c (contains_replace_regs, memref_referenced_p):
19529 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
19530 add_label_notes, replace_call_address, count_nonfixed_reads,
19531 invariant_p, find_single_use_in_loop, find_mem_givs,
19532 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
19535 * print-rtl.c (reg_names, print_rtx): Likewise.
19537 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
19539 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
19540 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
19541 print_blocks): Likewise.
19543 * regclass.c (fix_register, record_address_regs,
19544 reg_scan_mark_refs): Likewise.
19546 * regmove.c (stable_but_for_p): Likewise.
19548 * reload.c (loc_mentioned_in_p, operands_match_p,
19549 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
19550 copy_replacements, refers_to_regno_for_reload_p,
19551 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
19552 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
19555 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
19556 delete_address_reloads_1, count_occurrences,
19557 reload_cse_mem_conflict_p, reload_combine_note_use,
19558 add_auto_inc_notes): Likewise.
19560 * resource.c (mark_referenced_resources, mark_set_resources):
19563 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
19564 reg_mentioned_p, regs_set_between_p, modified_between_p,
19565 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
19566 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
19567 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
19568 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
19570 * sched.c (sched_analyze_2, attach_deaths): Likewise.
19572 * stupid.c (stupid_mark_refs): Likewise.
19574 * unroll.c (remap_split_bivs): Likewise.
19576 * varasm.c (mark_constants): Likewise.
19578 * a29k/a29k.c (uses_local_reg_p): Likewise.
19580 * alpha/alpha.c (summarize_insn): Likewise.
19582 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
19583 eliminate_lr2ip): Likewise.
19585 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
19587 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
19588 reg_mentioned_in_mem): Likewise.
19590 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
19591 symbolic_reference_mentioned_p): Likewise.
19593 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
19595 * sh/sh.c (regs_used, mark_use): Likewise.
19597 * vax/vax.c (vax_rtx_cost): Likewise.
19599 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19601 * machmode.h (mode_name): Constify a char*.
19603 * rtl.c (mode_name): Likewise.
19605 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
19607 * optabs.c (init_libfuncs): Constify a char*.
19609 * print-tree.c (mode_name): Remove redundant declaration.
19610 (print_node): Use accessor macro, not `mode_name'.
19612 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
19614 (new_spill_reg): Constify a char*.
19616 * tree.c (mode_name): Remove redundant declaration.
19618 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19620 * rtl.c (rtx_name): Constify a char*.
19622 * rtl.h (rtx_name, fix_sched_param): Likewise.
19624 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
19625 (mypr): Use accessor macro, not `rtx_name'.
19627 * genemit.c (print_code): Constify a char*.
19629 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
19631 * genpeep.c (print_code): Constify a char*.
19633 * genrecog.c (print_code): Likewise.
19635 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
19636 end_bb): Add static prototype.
19637 (draw_edge): Constify a char*.
19638 (end_bb): Remove unused parameter.
19640 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
19641 print_block_visualization): Constify a char*.
19643 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
19645 * c-common.c (c_get_alias_set): Update comment.
19647 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19649 * linux.h (LIB_SPEC): Added.
19651 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19653 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
19655 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
19657 * tree.c (expr_check): Fix typo in last change.
19659 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
19661 * rtl.def (NOTE): Change format to "iuu0n".
19662 (ADDR_DIFF_VEC): Change format to "eEee0".
19663 (ADDRESSOF): Change format to "eit".
19665 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
19666 (RTVEC_ELT): Change to match.
19667 (XVECEXP): Use XVEC and RTVEC_ELT.
19668 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
19669 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
19670 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
19671 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
19672 TRAP_CONDITION, TRAP_CODE): Use XEXP.
19673 (INTVAL): Use XWINT.
19674 (ADDRESSOF_DECL): Use XTREE.
19675 (SET_ADDRESSOF_DECL): Delete.
19676 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
19677 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
19678 ifdefed out since 2.6 at least.
19679 (gen_rtvec_vv): Delete prototype.
19681 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
19683 (copy_most_rtx): Handle 't' format letter.
19684 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
19685 (gen_rtvec_vv): Delete function. All callers changed to use
19686 gen_rtvec_v instead.
19687 * print-rtl.c (print_rtx): Move special casing of NOTEs to
19688 the '0' format letter.
19690 * function.c (gen_mem_addressof): Don't use
19691 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
19693 * integrate.c (copy_rtx_and_substitute): Likewise.
19694 Copy 't' slots with XTREE.
19695 (subst_constants): Treat 't' slots like '[swi]' slots.
19696 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
19697 * jump.c (rtx_equal_for_thread_p): Likewise.
19698 * rtlanal.c (rtx_equal_p): Likewise.
19699 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
19700 only four arguments.
19701 * gengenrtl.c (type_from_format): Provide correct types for
19705 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
19706 If a recent gcc is in use (always in stage2 and beyond), use
19707 statement expressions, so we don't make a function call unless
19708 the check fails. Evaluate arguments exactly once.
19709 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
19710 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
19712 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
19713 they evaluate their arguments exactly once, irrespective of
19714 the compiler in use.
19716 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
19717 is used by the currently-enabled check macros. This is:
19718 (tree_check_failed, tree_class_check_failed): For gcc.
19719 (tree_check, tree_class_check, cst_or_constructor_check,
19720 expr_check): For other compilers.
19722 * gencheck.c: Do not define any *_CHECK1 macros.
19724 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
19725 Mark Mitchell <mark@codesourcery.com>
19727 * c-common.c (c_get_alias_set): Fix support for poitners and
19730 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
19732 * alias.c: Include tree.h.
19733 (nonlocal_reference_p, mark_constant_function): New functions.
19734 * flow.c (life_analysis): Call mark_constant_function.
19735 * rtl.h (mark_constant_function): Declare it.
19737 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
19739 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
19740 unrecognisable switches.
19742 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19744 * loop.c (recombine_givs): Set ix field after sorting.
19745 (recombine_givs): Remove bogus index / giv lockstep looping.
19747 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19749 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
19751 (emit_store_flag_force): Use do_compare_rtx_and_jump.
19752 (do_cmp_and_jump): Formatting fixes.
19753 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
19754 do_compare_rtx_and_jump instead of compare_from_rtx.
19755 (do_compare_rtx_and_jump): New function; mostly copied from
19757 (do_jump_for_compare): Delete.
19758 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
19760 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
19761 of compare/do_jump_for_compare pairs.
19762 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
19763 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
19764 compare_from_rtx/do_jump_for_compare pairs.
19765 (do_jump_by_parts_equality): Likewise.
19766 (do_jump_by_parts_equality_rtx): Likewise.
19767 * expr.h (do_compare_rtx_and_jump): Declare.
19768 * optabs.c (prepare_cmp_insn): New function, contains most of the code
19769 that used to be in emit_cmp_insn.
19770 (cmp_available_p): New function.
19771 (prepare_operand): New function.
19772 (emit_cmp_and_jump_insn_1): New function, contains some code that used
19773 to be in emit_cmp_insn.
19774 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
19775 parameters to be pointers; don't emit final compare but modify some of
19776 the values pointed to by the args so the caller can perform the
19777 correct comparison.
19778 (expand_binop): Call emit_store_flag_force with signed forms of
19780 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
19781 emit_jump_insn pair.
19782 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
19783 emit_cmp_and_jump_insn_1. Call emit_queue.
19784 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
19786 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
19787 jump sets cc0 before deleting it.
19788 * integrate.c (expand_inline_function): Likewise.
19789 * unroll.c (unroll_loop): Similar changes in several places.
19790 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
19791 before deleting it.
19793 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19795 * Makefile.in (insn-recog.o): Update dependencies.
19796 * genrecog.c (main): Make generated file include "function.h".
19798 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
19800 * cse.c (cse_insn): Call never_reached_warning when a jump is
19801 changed to be unconditional.
19802 * flags.h: Declare warn_notreached.
19803 * flow.c (delete_block): Call never_reached_warning when
19804 a block is deleted.
19805 * jump.c (delete_barrier_successors): Call never_reached_warning
19806 when we delete everything after a BARRIER.
19807 (never_reached_warning): New function.
19808 * rtl.h: Declare never_reached_warning.
19809 * toplev.c (warn_notreached): New variable.
19810 (lang_independent_options): Set warn_notreached
19811 when -Wunreachable-code.
19812 (compile_file): We need line numbers for -Wunreachable-code.
19814 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
19816 * haifa-sched.c (insn_unit): Fix typo on out of range test.
19817 * sched.c (insn_unit): Likewise.
19819 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
19821 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
19823 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19825 * flow.c (create_edge_list): Use xmalloc, not malloc.
19827 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
19829 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
19830 C-style comments. Do not lose the character before double slash.
19832 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19834 * basic-block.h (struct edge_list): Stucture to maintain a vector
19836 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
19837 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
19838 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
19839 New function prototypes.
19840 * flow.c (create_edge_list): Function to create an edge list.
19841 (free_edge_list): Discards memory used by an edge list.
19842 (print_edge_list): Debug output showing an edge list.
19843 (verify_edge_list): Internal consistency check for an edge list.
19844 (find_edge_index): Function to find an edge index for a pred and succ.
19846 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
19848 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
19851 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
19853 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
19855 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
19857 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
19859 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
19861 * toplev.c (rest_of_compilation): Allow machine dependent
19862 reorganisation pass to place information into the RTL dump
19863 file if it so wishes.
19865 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
19867 * explow.c (hard_function_value): Use VOIDmode instead of
19869 * stmt.c (expand_return): Likewise.
19870 * stor-layout.c (get_best_mode): Likewise.
19872 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
19873 emit call instead of emit_insn call.
19875 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
19877 * configure.in: Handle --disable/enable-win32-registry.
19878 * install.texi: Document --disable/enable-win32-registry.
19879 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
19880 (WIN32_REGISTRY_KEY): New macro.
19881 * prefix.c: Use to enable/disable win32-specific code.
19882 (lookup_key): Use versioned key.
19883 * configure: Regenerate.
19884 * config.in: Likewise.
19886 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
19888 * cpplib.c (read_line_number): New fn, split out of...
19891 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19893 tree.c (lang_unsave_expr_now) : New.
19894 (unsave_expr_now): Call lang_unsave_expr_now.
19895 tree.h (lang_unsave_expr_now) : New.
19897 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
19899 * toplev.c (flag_new_exceptions): On by default.
19901 1999-08-13 Michael Meissner <meissner@cygnus.com>
19903 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
19905 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19907 * dwarfout.c (fundamental_type_code): Return FT_boolean for
19908 INTEGER_TYPE with precision==1, it's __java_boolean.
19910 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19912 * global.c (prune_preferences): Move some invariants out of the
19915 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
19917 * configure.in (alpha*-dec-osf*): Add osf5.
19919 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
19921 * configure.in: Rework handling of ARM GNU/Linux slightly.
19922 (arm*-*-linux-gnuoldld): New target.
19923 * configure: Regenerate.
19924 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
19925 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
19926 * config/arm/linux-oldld.h: New file.
19927 * config/arm/linux-elf26.h: Don't include linux-elf.h.
19928 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
19930 * config/arm/linux-elf.h (ASM_SPEC): Define.
19931 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
19932 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
19933 for 26-bit APCS and old linker.
19934 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
19936 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
19937 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
19938 don't define `arm' or `arm_elf'.
19939 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
19940 MULTILIB_DIRNAMES): Define. Fix typo in comment.
19942 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
19944 * rtl.texi: Fix typo.
19946 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
19948 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
19950 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
19952 * extend.texi (C++ Signatures): Remove node.
19953 * invoke.texi: Remove discussion of -fhandle-signatures,
19954 signature, sigof, __signature__, and __sigof__.
19956 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
19958 * Makefile.in (JAVAGC): Removed.
19960 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
19962 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
19964 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
19966 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
19968 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
19970 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
19971 a register that is already known to be a pointer.
19973 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
19975 * fixinc/inclhack.tpl: Only install assert.h conditionally.
19976 * fixinc/inclhack.sh: Regenerated.
19977 * fixinc/fixincl.sh: Regenerated.
19979 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
19981 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
19982 Fix documentation of -ansi flag to describe its C++ behavior.
19983 Remove bogus reference to GCC 2.9.
19985 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
19987 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
19988 note if it is non-NULL.
19990 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19992 * except.h (eh_nesting_info): Add new structure defintion.
19993 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
19994 (reachable_handlers, update_rethrow_references): Add function
19996 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
19997 a rethrow symbol instead of an integer exception region number.
19998 * flow.c (Make_edges): Use new exception nesting routines to determine
19999 which handlers are reachable from a CALL or asynchronous insn.
20000 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
20002 (delete_eh_regions): Update rethrow labels, and don't delete
20003 regions which are the target of a rethrow.
20004 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
20005 avoid overloading the SYMBOL_REF_USED flag.
20006 (rethrow_symbol_map): Use new rethrow_ref field.
20007 (rethrow_used): Use new rethrow_ref field.
20008 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
20009 of an integer. Fix formatting.
20010 (output_exception_table_entry): Use new rethrow_ref field.
20011 (can_throw): Check for EH_REGION_NOTE before deciding
20012 whether a CALL can throw or not.
20013 (scan_region): Call rethrow_used() instead of accessing data structure.
20014 (update_rethrow_references): New function to make sure only regions
20015 which are still targets of a rethrow are flagged as such.
20016 (process_nestinfo): New static function to initialize a handler
20017 list for a specific region.
20018 (init_eh_nesting_info): New function to allocate and initialize
20019 the list of all EH handlers reachable from all regions.
20020 (reachable_handlers): New function to retrieve the list of handlers
20021 reachable from a specific region and insn.
20022 (free_eh_nesting_info): New function to dispose of a list of
20023 reachable handlers.
20025 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20027 * flow.c (split_edge): Set JUMP_LABEL field.
20028 (commit_one_edge_insertion): Set head correctly for insert_before.
20029 When inserting insns, update insn block numbers if allocated.
20031 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20033 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
20034 retry_incomplete_types): Add static prototype.
20035 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
20036 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
20037 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
20038 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
20039 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
20042 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
20043 dwarf2out_start_source_file, dwarf2out_line): Likewise.
20045 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20047 * output.h (assemble_name): Constify a char*.
20049 * varasm.c (UNIQUE_SECTION, assemble_start_function,
20050 assemble_variable, assemble_name): Likewise.
20052 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
20054 * arm/pe.c (arm_pe_unique_section): Likewise.
20056 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
20058 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
20060 * i386/interix.c (i386_pe_unique_section): Likewise.
20062 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
20064 * i386/winnt.c (i386_pe_unique_section): Likewise.
20066 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
20068 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
20070 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
20072 * pa/pa.c (output_call): Likewise.
20074 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
20076 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
20078 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
20081 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
20084 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
20086 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
20087 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
20089 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
20091 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20093 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
20095 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20097 * tree.h (lang_identify): Constify a char*.
20098 (print_error_function): Add extern prototype. Constify a char*.
20100 * c-lang.c (lang_identify): Constify a char*.
20102 * objc/objc-act.c (lang_identify): Constify a char*.
20104 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20106 * genpeep.c (main): Make generated file include "function.h".
20107 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
20109 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20111 * Makefile.in: Update dependencies.
20112 * alias.c: Include "function.h"
20113 * c-decl.c: Likewise.
20114 * caller-save.c: Likewise.
20115 * calls.c: Likewise.
20116 * combine.c: Likewise.
20118 * explow.c: Likewise.
20119 * final.c: Likewise.
20120 * global.c: Likewise.
20121 * graph.c: Likewise.
20122 * local-alloc.c: Likewise.
20123 * loop.c: Likewise.
20124 * optabs.c: Likewise.
20125 * profile.c: Likewise.
20126 * recog.c: Likewise.
20127 * regclass.c: Likewise.
20128 * regmove.c: Likewise.
20129 * reload.c: Likewise.
20130 * reorg.c: Likewise.
20131 * resource.c: Likewise.
20132 * sched.c: Likewise.
20133 * stupid.c: Likewise.
20134 * config/1750a/1750a.c: Likewise.
20135 * config/a29k/a29k.c: Likewise.
20136 * config/arc/arc.c: Likewise.
20137 * config/arm/arm.c: Likewise.
20138 * config/arm/thumb.c: Likewise.
20139 * config/c4x/c4x.c: Likewise.
20140 * config/clipper/clipper.c: Likewise.
20141 * config/convex/convex.c: Likewise.
20142 * config/fx80/fx80.c: Likewise.
20143 * config/i860/i860.c: Likewise.
20144 * config/m68k/m68k.c: Likewise.
20145 * config/m88k/m88k.c: Likewise.
20146 * config/mips/mips.c: Likewise.
20147 * config/pdp11/pdp11.c: Likewise.
20148 * config/pyr/pyr.c: Likewise.
20149 * config/romp/romp.c: Likewise.
20150 * config/sh/sh.c: Likewise.
20151 * config/tahoe/tahoe.c: Likewise.
20152 * config/vax/vax.c: Likewise.
20153 * config/we32k/we32k.c: Likewise.
20154 * config/sparc/sparc.c: Include "function.h".
20155 (mem_min_alignment): Test current_function rather than
20156 regno_pointer_align.
20157 * config/pa/pa.c: Likewise.
20158 (compute_frame_size): Delete declaration of
20159 current_function_outgoing_args_size.
20160 * config/arc/arc.h (current_function_varargs): Delete declaration.
20161 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
20163 * config/i370/i370.h (current_function_outgoing_args_size): Delete
20165 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
20166 current_function_uses_pic_offset_table.
20167 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
20168 of current_function_returns_pointer.
20169 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20170 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20171 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20172 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20173 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20174 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20175 * config/m88k/m88k.c: Include "function.h"
20176 (call_used_regs, current_function_pretend_args_size,
20177 current_function_outgoing_args_size, frame_pointer_needed): Delete
20179 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
20181 * config/mips/mips.h (current_function_calls_alloca): Delete
20183 * config/mn10200/mn10200.h (current_function_needs_context,
20184 rtx_equal_function_value_matters): Delete declarations.
20185 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
20186 flag_pic): Delete declarations.
20187 * config/pa/pa.h (current_function_pretend_args_size,
20188 current_function_decl): Delete declarations.
20189 * config/pa/som.h (current_function_varargs): Delete declaration.
20190 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
20192 * config/pyr/pyr.h (current_function_pretend_args_size,
20193 current_function_args_size, current_function_calls_alloca): Delete
20195 * config/sh/sh.h (current_function_varargs): Delete declaration.
20196 * config/sparc/sparc.h (current_function_outgoing_args_size,
20197 current_function_calls_alloca, current_function_decl): Delete
20199 * config/spur/spur.h (current_function_pretend_args_size,
20200 current_function_calls_alloca): Delete declarations.
20201 * config/v850/v850.c (current_function_outgoing_args_size): Delete
20203 * config/vax/vms.h (current_function_name): Delete declaration.
20204 * gcse.c: Include "function.h".
20205 (current_function_name, current_function_calls_setjmp): Delete
20207 * haifa-sched.c: Include "function.h".
20208 (forced_labels): Delete declaration.
20209 * jump.c: Likewise.
20210 * reg-stack.c: Likewise.
20211 * reload1.c: Likewise.
20212 * genemit.c (main): Make generated file include function.h.
20213 * genoutput.c (output_prologue): Likewise.
20215 * builtins.c (saveregs_value, apply_args_value): Delete variables.
20216 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
20217 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
20218 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
20219 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
20220 macros for some of them.
20221 (emit_filename, emit_lineno): Delete declarations.
20222 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
20223 regno_pointer_* variables through current_function.
20224 (gen_inline_header_rtx): Delete function.
20225 (save_emit_status): Delete function.
20226 (set_new_last_label_num): New function.
20227 (clear_emit_caches): New function.
20228 (restore_emit_status): Just clear last_labelnum and call
20230 (get_last_insn_anywhere): Variable sequence_stack is now accessed
20231 through macro seq_stack.
20232 (add_insn_after): Likewise.
20233 (add_insn_before): Likewise.
20234 (remove_insn): Likewise.
20235 (pop_topmost_sequence): Likewise.
20236 (in_sequence_p): Likewise.
20237 (start_sequence_for_rtl_expr): Likewise.
20238 (start_sequence): Likewise, and likewise for
20239 sequence_rtl_expr/seq_rtl_expr.
20240 (push_topmost_sequence): Likewise.
20241 (end_sequence): Likewise.
20242 (init_virtual_regs): Now takes a "struct emit_status *" argument.
20243 All callers changed. Store into that pointer instead of globals.
20244 (init_emit): Allocate emit elt of current_function.
20245 Changes for sequence_rtl_expr/sequence_stack renaming.
20246 Call clear_emit_caches instead of doing it in-line.
20247 Access regno_pointer_* variables through current_function.
20248 (init_emit_once) Don't clear sequence_stack.
20250 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
20252 (arg_pointer_save_area): Delete declaration.
20253 (finish_expr_for_function): Renamed from init_queue; no longer static.
20254 (init_expr): Don't call init_queue.
20255 (save_expr_status, restore_expr_status): Delete functions.
20256 (expand_expr): Changes to reflect new layout of struct function.
20257 Don't access current_function_check_memory_usage when current_function
20259 * expr.h (forced_labels, save_expr_regs, saveregs_value,
20260 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
20261 current_function_outgoing_args_size, current_function_arg_offset_rtx,
20262 current_function_uses_const_pool, function_call_count,
20263 current_function_uses_pic_offset_table, nonlocal_labels,
20264 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
20265 current_function_check_memory_usage, nonlocal_goto_handler_slots,
20266 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
20268 (finish_expr_for_function): Declare.
20269 * flags.h (current_function_has_nonlocal_label,
20270 current_function_has_nonlocal_goto, current_function_is_thunk,
20271 current_function_has_computed_jump): Delete declarations.
20272 * flow.c (forced_labels): Delete declaration.
20273 * function.c (current_function_pops_args,
20274 current_function_returns_struct, current_function_returns_pcc_struct,
20275 current_function_needs_context, current_function_calls_setjmp,
20276 current_function_calls_longjmp, current_function_has_nonlocal_label,
20277 current_function_has_nonlocal_goto, current_function_is_thunk,
20278 current_function_has_computed_jump, current_function_calls_alloca,
20279 current_function_contains_functions, current_function_returns_pointer,
20280 current_function_epilogue_delay_list, current_function_args_size,
20281 current_function_pretend_args_size, current_function_arg_offset_rtx,
20282 current_function_outgoing_args_size, current_function_varargs,
20283 current_function_stdarg, current_function_args_info, cleanup_label,
20284 current_function_name, current_function_uses_const_pool,
20285 current_function_instrument_entry_exit, current_function_return_rtx,
20286 current_function_uses_pic_offset_table, nonlocal_labels,
20287 current_function_internal_arg_pointer, current_function_cannot_inline,
20288 current_function_check_memory_usage, function_call_count,
20289 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
20290 nonlocal_goto_stack_level, return_label, save_expr_regs,
20291 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
20292 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
20293 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
20294 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
20295 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
20297 (push_function_context_to): Don't save them. Don't call
20298 save_storage_status, save_emit_status or save_expr_status.
20299 (pop_function_context_from): Don't restore them. Don't call
20300 restore_storage_status or restore_expr_status.
20301 (get_func_frame_size): New function.
20302 (get_frame_size): Use it.
20303 (assign_outer_stack_local): Reflect some member name changes in struct
20305 (put_reg_into_stack): Likewise.
20306 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
20308 (fixup_var_refs): Likewise.
20309 (fix_lexical_addr): Likewise.
20310 (trampoline_address): Likewise.
20311 (prepare_function_start): Clear field inlinable of current_function.
20312 (init_function_for_compilation): New function.
20313 (expand_dummy_function_end): New function.
20314 (expand_function_end): Call finish_expr_for_function.
20315 * function.h (struct emit_status): New; fields moved here from struct
20316 function and from global variables. Add accessor macros for some of
20318 (struct expr_status): Likewise.
20319 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
20320 (struct function): Add fields expr and emit, inlinable, inl_emit,
20321 original_arg_vector, original_decl_initial, inl_last_parm_insn,
20322 inl_max_label_num. Add many comments.
20323 Add accessor macros for all elts of struct function that no longer
20324 have a global variable.
20325 (cleanup_label, return_label, frame_offset, tail_recursion_label,
20326 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
20327 stack_slot_list): Delete declarations.
20328 (get_func_frame_size): Declare.
20329 (save_expr_status, restore_expr_status, save_emit_status,
20330 save_storage_status, restore_storage_status): Delete declarations.
20331 (init_virtual_regs): Declare.
20332 * output.h (current_function_pops_args,
20333 current_function_returns_struct, current_function_returns_pcc_struct,
20334 current_function_needs_context, current_function_calls_setjmp,
20335 current_function_calls_longjmp, current_function_calls_alloca,
20336 current_function_has_nonlocal_label, current_function_varargs,
20337 current_function_has_computed_jump, current_function_returns_pointer,
20338 current_function_contains_functions, current_function_args_size,
20339 current_function_pretend_args_size, current_function_stdarg,
20340 current_function_outgoing_args_size, current_function_args_info,
20341 current_function_name, current_function_return_rtx,
20342 current_function_epilogue_delay_list,
20343 current_function_uses_const_pool, current_function_cannot_inline):
20344 Delete declarations.
20345 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
20346 regno_reg_rtx): Delete declaration.
20347 (REGNO_POINTER_FLAG): Delete macro.
20348 * stmt.c (expand_goto): Changes to reflect that some fields in struct
20349 function were renamed.
20350 * stor-layout.c (save_storage_status, restore_storage_status): Delete
20352 * toplev.c: Include "function.h".
20353 (current_function_decl): Delete declaration.
20354 (compile_file): Call init_dummy_function_start and
20355 expand_dummy_function_end around some initializations that need to
20357 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
20358 Call init_function_for_compilation.
20359 * unroll.c: Include "function.h"
20360 (unroll_loop): Access regno_pointer_* variables through
20363 * tree.h (struct tree_decl): Add elt f to saved_insns member.
20364 (DECL_SAVED_INSNS): use it.
20365 (expand_dummy_function_end): Declare.
20366 (init_function_for_compilation): Declare.
20367 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
20368 that it's no longer an INLINE_HEADER.
20369 (expand_call): Likewise.
20370 * integrate.c (finish_inline): Delete function.
20371 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
20372 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
20373 args. Don't generate an INLINE_HEADER rtx, just return the arg
20374 vector. All callers changed.
20375 (save_for_inline_copying): Create a duplicate struct emit_status to
20376 hold the emit state for compiling the current function. Use this and
20377 the other new fields in struct function that are for integration
20378 instead of an INLINE_HEADER.
20379 Use memcpy instead of bcopy.
20380 Store the current struct function in DECL_SAVED_INSNS of fndecl.
20381 (save_for_inline_nocopy): Similar changes, except no new emit_status
20383 (expand_inline_function): Get information from function structure,
20384 not from an inline header rtx.
20385 (output_inline_function): Lose code to extract the necessary
20386 information from an inline header; simply put back the function
20387 structure into current_function. Clear its inlinable elt.
20388 * rtl.def (INLINE_HEADER): Delete.
20389 * rtl.h: Delete all accessors for an INLINE_HEADER.
20390 (gen_inline_header_rtx): Delete declaration.
20391 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
20392 Delete declarations.
20393 (REGNO_POINTER_ALIGN): Delete.
20394 (clear_emit_caches): Declare.
20395 (set_new_last_label_num): Declare.
20397 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
20399 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
20401 * except.c (expand_eh_region_start_for_decl): Always start a new block.
20402 * stmt.c (is_eh_region): Make sure current_function is present, too.
20404 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
20406 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
20407 for 64bit PA targets.
20409 * pa.h (SELECT_SECTION): Define.
20410 * som.h (SELECT_SECTION): Delete.
20412 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20414 * alias.c (init_alias_analysis): Wrap call to
20415 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
20417 1999-08-07 Bruce Korb <autogen@linuxbox.com>
20419 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
20420 <sys/asm.h> contains an asm comment with an apostrophe
20421 * fixinc/inclhack.sh: regen
20422 * fixinc/fixincl.x: regen
20424 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
20426 * function.c (init_function_start): Clear prologue & epilogue.
20427 (prologue_epilogue_contains): New function.
20428 * alias.c (init_alias_analysis): Use it.
20429 * rtl.h (prologue_epilogue_contains): Declare it.
20431 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
20433 * jump.c (onlyjump_p): New function.
20434 * rtl.h: Declare it.
20435 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
20436 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
20438 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
20440 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
20441 to invert loops. Simplify block scanning.
20443 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20445 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
20446 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
20448 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
20450 * config/sparc/liteelf.h: New file to support sparclite-elf target
20451 * config/sparc/t-sp86x: New file to support sparc86x targets
20452 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
20453 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
20454 * configure.in: Support above target triplets
20455 * configure: Regenerated
20457 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
20459 * fixinc/server.c (server_setup): Do not prefix function used as
20460 parameter with `&'.
20462 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
20464 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
20465 Remove fp reg alternatives.
20467 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
20469 * Makefiin (TAROUTOPTS): Kill.
20470 (install-headers-tar): Use "xpf" for tar headerfile extraction
20471 * i370/x-oe (TAROUTOPTS): Delete.
20472 * m68k/x-apollo68 (TAROUTOPTS): Delete.
20473 * m68k/x-hp320 (TAROUTOPTS): Delete.
20474 * m68k/x-hp320g (TAROUTOPTS): Delete.
20475 * gcc.texi: Update bug reporting text.
20477 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
20479 * reg-stack.c (change_stack) Fixed problem with negative array index.
20481 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
20483 * extend.texi, install.texi: Fix spelling mistakes.
20485 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
20486 (s-attrtab); No longer try to use pre-made insn-attrtab file.
20487 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
20488 PREMADE_ATTRTAB_MD.
20489 * mips/t-ecoff: Likewise.
20490 * mips/t-elf: Likewise.
20491 * mips/t-mips: Likewise.
20492 * mips/t-osfrose: Likewise.
20493 * mips/t-r3900: Likewise.
20494 * mips/t-svr3: Likewise.
20495 * mips/t-svr4: Likewise.
20496 * mips/t-ultrix: Likewise.
20498 * gcc.texi: Document recommend means to provide software floating
20499 point libraries in libgcc.a
20501 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
20503 * c-lex.c (yylex): We can have a number with no digits.
20505 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
20507 * jump.c (delete_prior_computation): New function, broken
20508 out of delete_computation. Check for side effects with
20509 side_effects_p instead of FIND_REG_INC_NOTE. Handle
20510 multi-word hard registers.
20511 (delete_computation): Use it. Check for side effects with
20512 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
20513 missing REG_DEAD note for a register which is both set and
20516 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
20518 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
20519 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
20520 (ASM_FILE_START): Import _mcount with the right type.
20521 (ASM_DECLARE_FUNCTION_NAME): Define.
20522 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
20523 * pa.c (output_function_prologue): Always emit the function's label
20525 * pa.h (TEXT_SPACE_P): Define.
20526 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
20527 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
20528 * som.h (TEXT_SPACE_P): Delete.
20529 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
20530 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
20532 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
20534 * expr.c (emit_group_load): Allow src to be a CONCAT.
20536 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20538 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
20539 (___mulsi3): Use '!' comment character.
20541 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20543 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
20545 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
20547 * gcc.c: Update URLs and mail addresses.
20548 * gcc.texi: Likewise.
20550 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
20552 * rs6000.c (current_file_function_operand): Return zero for
20554 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
20556 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
20559 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
20561 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
20562 allocate space in the stack frame for the PIC register.
20564 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
20566 * m68k.md (xordi3, anddi3): These patterns are not available on
20569 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
20571 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
20572 (PUT_REAL): Likewise.
20574 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20576 * final.c (shorten_branches): Don't add an alignment for loops
20577 that have no label inside.
20579 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20581 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
20582 prototypes in macro HAVE_cmpstrsi.
20584 * cpplib.c (cpp_get_token): Remove unused label `op3'.
20586 * emit-rtl.c (operand_subword): Remove unused variable
20589 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
20591 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
20593 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
20595 * cpphash.c (macroexpand): Delete leading whitespace when arg
20596 is concatenated before.
20597 (unsafe_chars): Correct test for whether + and - can extend a
20600 * cppinit.c (cpp_start_read): Do dependencies for
20601 -include/-imacros files also.
20603 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
20604 tokenizing non-directive lines.
20605 (cpp_expand_to_buffer): Temporarily disable no-output mode.
20606 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
20609 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
20611 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
20613 * c-lex.c: Sync with C++ frontend.
20614 (linemode): New variable.
20615 (parse_float): imag, conversion_errno, and type are output only.
20616 (yylex): Adjust. Move initial '.' case into main switch.
20618 (handle_generic_pragma): Just deal with tokens.
20619 (readescape): Use ISXDIGIT and ISGRAPH.
20620 * c-parse.in: Add END_OF_LINE token.
20622 * c-lex.c (lang_init): Generalize.
20623 (nextchar): Remove. Replace uses with UNGETC.
20624 (skip_white_space): Handle linemode here. Optimize for cpplib.
20625 (skip_white_space_on_line): Remove.
20626 (extend_token_buffer_to): New fn.
20627 (extend_token_buffer): Use it.
20628 (read_line_number, check_newline): Just deal with tokens.
20629 (token_getch, token_put_back): New fns.
20630 (yylex): Use them. More cpplib optimizations. Simplify.
20632 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20633 Jason Merrill <jason@yorick.cygnus.com>
20635 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
20636 (consume_string): Make this smart about USE_CPPLIB.
20637 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
20638 (yylex): Rewrite to be intelligent about USE_CPPLIB.
20639 Also, clean up cases where we redundantly set token_buffer[0].
20640 (read_line_number): New fn.
20641 (ignore_escape_flag): New variable.
20643 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
20645 * a29k/t-a29kbare: Fix some comments.
20646 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
20647 (FPBIT, DPBIT): Define.
20648 * a29k/t-vx29k: Likewise.
20649 * arc/t-arc: Likewise.
20650 * arm/t-arm-elf: Likewise.
20651 * arm/t-bare: Likewise.
20652 * arm/t-pe: Likewise.
20653 * arm/t-pe-thumb: Likewise.
20654 * arm/t-semi: Likewise.
20655 * arm/t-thumb: Likewise.
20656 * arm/t-thumb-elf: Likewise.
20657 * arm/t-thumb-linux: Likewise.
20658 * h8300/t-h8300: Likewise.
20659 * i960/t-i960: Likewise.
20660 * i960/t-vxworks960: Likewise.
20661 * m32r/t-m32r: Likewise.
20662 * mips/t-ecoff: Likewise.
20663 * mips/t-elf: Likewise.
20664 * mips/t-r3900: Likewise.
20665 * pa/t-pro: Likewise.
20666 * rs6000/t-aix43: Likewise.
20667 * rs6000/t-beos: Likewise.
20668 * rs6000/t-newas: Likewise.
20669 * rs6000/t-ppccomm: Likewise.
20670 * rs6000/t-rs6000: Likewise.
20671 * rs6000/t-winnt: Likewise.
20672 * rs6000/t-xnewas: Likewise.
20673 * rs6000/t-xrs6000: Likewise.
20674 * sh/t-sh: Likewise.
20675 * sparc/t-elf: Likewise.
20676 * sparc/t-sparcbare: Likewise.
20677 * sparc/t-sparclite: Likewise.
20678 * sparc/t-splet: Likewise.
20679 * v850/t-v850: Likewise.
20680 * mn10200/t-mn10200: Fix comments.
20681 * mn10300/t-mn10300: Likewise.
20683 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
20684 dummy operand. Allocate a new pseudo for the dummy operand.
20685 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
20687 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
20689 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
20691 * configure: Rebuilt.
20692 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
20694 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
20696 * recog.c (preproces_constraints): Zero recog_op_alt before
20697 processing the constraints.
20699 * arm.c (typedef minipool_node): Renamed from pool_node.
20700 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
20701 (add_minipool_constant): New function.
20702 (dump_minipool): New function.
20703 (find_barrier): Remove special case for getting the insn size of
20704 an insn that references the constant pool.
20705 (minipool_fixup): New structure.
20706 (push_minipool_barrier): New function.
20707 (push_minipool_fix): New function.
20708 (note_invalid_constants): New function.
20709 (add_pool_constant, dump_table, fixit, broken_move): Delete.
20710 (arm_reorg): Rewrite code to fix up the constant pool into a
20711 series of mini-pools embedded in the insn stream.
20712 (arm_output_epilogue): New function, made mainly from the body
20713 of output_func_epilogue.
20714 (output_func_epilogue): Move insn generation part of epilogue code
20715 to arm_output_epilogue.
20716 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
20717 * arm.md (pool_range): New attribute.
20718 (zero_extendqidi2): Add attribute pool_range.
20719 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
20720 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
20721 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
20722 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
20723 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
20724 (epilogue): New expand.
20725 (epilogue_insn): New insn. Call arm_output_epilogue.
20727 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
20728 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
20730 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
20732 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
20734 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
20736 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
20738 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
20740 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
20742 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
20744 * global.c: Fix comment.
20746 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
20748 * gcc.c (access_check): New static function.
20749 (find_a_file): Use it when searching a directory list.
20750 * collect2.c (find_a_file): Don't accept directories found when
20751 searching a directory list.
20753 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
20755 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
20756 function parameters with `&'.
20757 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
20759 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
20761 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
20762 or tidy_fallthru_edge if the last insn in the block is not
20763 an unconditional jump or a simple conditional jump.
20765 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20767 * Makefile.in (c-decl.o): Depends on defaults.h.
20769 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
20771 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
20773 (CLASS_MAX_NREGS): Likewise.
20775 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
20777 * cse.c (cse_insn): Fix dumb thinko in last change.
20779 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20781 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
20784 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
20786 * dwarf2out.c (add_location_or_const_value_attribute): Correct
20787 test for sizes of passed and declared parameter types.
20789 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20791 * fixincludes: Fix the return type of bsearch, char* -> void*.
20793 * fixinc/inclhack.def: Likewise.
20795 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
20797 * invoke.texi (-fdump-translation-unit): New option.
20799 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
20801 * expr.h (PROMOTE_PROTOTYPES): Move ...
20802 * defaults.h: ... to here.
20803 * c-decl.c: Include defaults.h instead of expr.h.
20804 * c-typeck.c: Include defaults.h.
20806 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
20808 * toplev.h (errorcount): Declare.
20809 (warningcount): Likewise.
20810 (sorrycount): Likewise.
20811 * c-lex.c (errorcount): Don't declare.
20812 * dwarf2out.c (errorcount): Don't declare.
20814 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
20816 * config/libgloss.h: Add a note discouraging use with ELF.
20817 * configure.in: Don't use libgloss.h for ELF targets.
20818 Always use_collect2 on a.out targets.
20820 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
20822 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
20823 (force_to_mode, case ASHIFTRT): Add shiftrt label.
20825 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20827 * loop.c (strength_reduce): When doing biv->giv conversion, update
20828 reg note of NEXT->insn.
20830 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20832 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
20834 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20836 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
20837 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
20838 Ensure expr.h is included.
20839 * c-typecheck.c (convert_arguments): Ditto.
20841 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
20843 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
20844 * config/convex/convex.h: Ditto.
20845 * config/dsp16xx/dsp16xx.h: Ditto.
20846 * config/fx80/fx80.h: Ditto.
20847 * config/gmicro/gmicro.h: Ditto.
20848 * config/i370/i370.h: Ditto.
20849 * config/i386/i386.h: Ditto.
20850 * config/m32r/m32r.h: Ditto.
20851 * config/m68k/m68k.h: Ditto.
20852 * config/m88k/m88k.h: Ditto.
20853 * config/mips/mips.h: Ditto.
20854 * config/pa/pa.h: Ditto.
20855 * config/pyr/pyr.h: Ditto.
20856 * config/tahoe/tahoe.h: Ditto.
20857 * config/we32k/we32k.h: Ditto.
20859 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
20860 based on arch size.
20862 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
20864 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
20867 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
20869 1999-08-02 Richard Henderson <rth@cygnus.com>
20871 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
20872 for the register spill block.
20873 (m32r_va_arg): New.
20874 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
20875 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
20877 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
20878 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
20879 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
20881 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20883 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
20884 MAX_WCHAR_TYPE defined in sparc.h.
20885 * config/sparc/linuxaout.h: Likewise.
20886 * config/sparc/linux64.h: Likewise.
20887 Also default to -mvis if CPU is UltraSPARC.
20889 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20891 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
20892 (RTX_OK_FOR_OLO10): Likewise.
20893 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
20894 %lo(), allow it in addresses...
20895 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
20896 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
20897 does not make sense.
20898 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
20899 (sparc_output_scratch_registers): New function.
20900 (output_function_prologue, sparc_flat_output_function_prologue): Use
20902 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
20904 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
20905 * configure.in: Add check for .register pseudo-op support in as and
20906 check for offsetable %lo().
20907 * acconfig.h: Add templates for the above checks.
20908 * configure: Regenerate.
20910 1999-08-02 Richard Henderson <rth@cygnus.com>
20912 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
20913 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
20914 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
20916 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20918 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
20921 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20923 * config/float-sparc.h: New file.
20924 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
20925 sparc-*-linux-gnu and sparc64-*-linux*.
20927 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20929 * rs6000.c (rs6000_va_list): Type is an array.
20930 (rs6000_va_start): Don't doubly adjust for varargs.
20931 (rs6000_va_arg): Evaluate long long GPR adjustment.
20933 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
20935 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
20936 -maix64 and -maix32.
20937 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
20938 LINK_SPEC): Change appropriately.
20939 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
20940 (u_short_cint_operand): Likewise.
20941 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
20943 * rs6000/t-aix43 (MULTILIB): Change to -m64.
20945 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
20947 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
20949 * rs6000/rs6000.c (num_insns_constant_wide): Correct
20950 for type promotion.
20951 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
20952 (non_add_cint_operand): Likewise.
20953 (logical_operand): Likewise.
20954 (non_logical_cint_operand): Likewise.
20955 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
20956 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
20957 (rs6000_select_rtx_section): Suppress warning.
20958 (small_data_operand): Suppress warning.
20959 (rs6000_got_register): Suppress warning.
20960 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
20961 type, so `J' is generally the wrong constraint for a SImode value;
20963 (andsi3_internal2): Likewise.
20964 (andsi3_internal3): Likewise.
20965 (iorsi3_internal1): Likewise.
20966 (xorsi3_internal1): Likewise.
20968 (movsf_softfloat): Likewise.
20969 (scc insns): Likewise.
20970 (movsi+2): Preserve sign bits of SImode constant.
20971 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
20972 (movdf+1): Sign-extend properly.
20973 (movdi_32+1): Sign-extend properly.
20974 (scc insns): Sign-extend properly.
20976 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
20979 1999-08-02 Richard Henderson <rth@cygnus.com>
20981 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
20982 -mcpu parsing code.
20983 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
20984 * alpha.md (all fp insns): Likewise.
20986 1999-08-02 Nick Clifton <nickc@cygnus.com>
20988 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
20991 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
20993 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
20994 pic_load_label generator directly.
20995 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
20996 No longer a named pattern.
20998 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
21000 * explow.c (force_reg): Call force_operand if X does not
21001 satisfy general_operand.
21003 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
21005 * fix-header.c (main): When testing for CONTINUED, use string
21006 equality, not pointer equality.
21008 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
21010 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
21012 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
21014 * cse.c (cse_insn): Fix loop which deletes insns after a jump
21015 that has become an unconditional jump.
21017 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
21018 (output_function_epilogue): Similarly.
21020 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21022 * tree.h (init_dummy_function_start): Declare.
21024 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21026 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
21027 last_expr_type, last_expr_value, block_start_count, block_stack,
21028 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
21029 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
21030 dynamically in stmt elt of struct function for each function.
21031 (struct nesting): Rename function_call_count elt to n_function_calls,
21032 target_temp_slot_level to block_target_temp_slot_level. All users
21034 (struct stmt_status): New structure definition.
21035 Add many accessor macros for stmt_status elements which previously
21036 were global variables.
21037 (init_stmt_for_function): Allocate stmt elt for current_function.
21038 Reflect that block_start_count was renamed to
21039 current_block_start_count.
21040 (save_stmt_status, restore_stmt_status): Delete functions.
21041 (preserve_subexpressions_p): Don't access loop_stack when outside
21043 (expand_start_bindings): Reflect that block_start_count was renamed to
21044 current_block_start_count.
21045 (expand_fixup): Likewise.
21046 (expand_decl): Don't access block_stack when outside a function.
21047 (expand_decl_cleanup): Likewise.
21048 (expand_dcc_cleanup): Likewise.
21049 (expand_dhc_cleanup): Likewise.
21050 (expand_anon_union_decl): Likewise.
21051 (set_file_and_line_for_stmt): New function.
21052 (in_control_zone_p): New function.
21054 * function.h (struct function): Add new elt stmt.
21055 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
21056 case_stack, nesting_stack, nesting_depth, block_start_count,
21057 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
21058 emit_lineno, goto_fixup_chain.
21059 (save_eh_status, restore_eh_status, save_stmt_status,
21060 restore_stmt_status): Delete declarations.
21061 * function.c (push_function_context_to): Don't call save_stmt_status.
21062 (pop_function_context_to): Don't call restore_stmt_status.
21063 * tree.h (in_control_zone_p): Declare.
21064 * rtl.h (set_file_and_line_for_stmt): Declare.
21066 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
21067 call set_file_and_line_for_stmt.
21069 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
21071 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
21072 Also update copyright.
21074 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21076 * c-pragma.c: Don't include "except.h".
21077 * emit-rtl.c: Likewise.
21078 * stor-layout.c: Likewise.
21079 * tree.c: Likewise.
21080 * varasm.c: Likewise.
21082 * flow.c: Include "function.h".
21083 * tree.h (init_dummy_function_start): Declare new function.
21085 * except.h (struct eh_status): New structure.
21086 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
21088 (eh_return_stub_label, ehstack, catchstack, ehqueue,
21089 catch_clauses, false_label_stack, caught_return_label_stack,
21090 protect_list, current_function_ehc): Add accessor macros for the
21091 corresponding fields in current_function->eh; delete declarations
21092 for all items that used to be declared here.
21093 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
21094 catch_clauses, false_label_stack, caught_return_label_stack,
21095 protect_list, current_function_ehc): Delete variables.
21096 (init_eh_for_function): Allocate current_function->eh.
21097 (save_eh_status, restore_eh_status): Delete functions.
21099 * function.h (struct function): Add fields next_global and eh.
21100 Delete all exception handling related fields.
21101 * function.c (current_function): New variable.
21102 (all_functions): New variable.
21103 (push_function_context_to): Don't allocate a struct function,
21104 use current_function instead. Call init_dummy_function_start when
21105 outside a function. Clear current_function before returning.
21106 (pop_function_context_from): Restore current_function.
21107 Don't free the restored struct function.
21108 (prepare_function_start): New function.
21109 (init_dummy_function_start): New function.
21110 (init_function_start): Break out some code into prepare_function_start
21113 * stmt.c (save_stmt_status): Don't call save_eh_status.
21114 (restore_stmt_status): Don't call restore_eh_status.
21116 * Makefile.in: Update dependencies.
21118 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
21120 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
21121 of depending on a magic constant value. Update comments.
21122 (hppa_expand_prologue): Similarly.
21124 * pa.md (reload_indi, reload_outdi): Allow any register for the
21125 original reload register.
21127 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
21129 * cccp.c (print_help): Change marcos to macros.
21131 1999-07-30 Richard Henderson <rth@cygnus.com>
21133 * c-typeck.c (initializer_constant_valid_p): Move ...
21134 * c-common.c (initializer_constant_valid_p): ... here. Use
21135 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
21136 of label addresses.
21137 * c-common.h (initializer_constant_valid_p): Declare.
21138 * c-tree.h (initializer_constant_valid_p): Remove.
21140 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
21142 * config/i386/sol2-c1.asm: Align the stack.
21143 * config/i386/sol2-gc1.asm: Likewise.
21145 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
21147 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
21148 -Asparclite for sparc86x.
21149 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
21151 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
21153 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
21155 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
21156 the user if using the non-default arch size in BI_ARCH configuration.
21157 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
21159 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
21160 Fix patterns so that they actually match.
21161 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
21162 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
21163 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
21165 (mulsidi3): Reflect this in the expand.
21166 (smulsi3_highpart): Only on TARGET_ARCH32.
21167 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
21168 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
21169 (umulsidi3): Reflect this in the expand.
21170 (umulsi3_highpart): Only on TARGET_ARCH32.
21171 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
21172 don't require g0 to be zero.
21173 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
21174 ({,u}divsi3): New expands.
21175 ({,u}divsi3_sp64): New patterns.
21176 (after lshrdi3_v8plus): Four new patterns to help combiner
21177 optimizing nested mixed mode shifts.
21179 * config/sparc/sparc.c (sparc_override_options): Use deprecated
21180 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
21181 speed things up. Don't use them by default on plain v9 in 64bit
21182 mode, according to what SPAMv9 sais.
21184 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
21185 top 32 bits of %[og][0-7] in signal handlers.
21186 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
21188 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
21190 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
21191 (ashlsi3): Corresponding changes.
21193 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
21195 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
21197 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
21199 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21201 * arm.h (Hint): Delete macro.
21202 Substitute HOST_WIDE_INT for Hint in some prototypes.
21203 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
21205 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
21207 * builtins.c (expand_builtin_setjmp): Use force_operand to
21208 make sure that the buffer address is in a suitable form to be
21209 passed to force_reg.
21211 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
21213 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
21216 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
21218 * pa.md (indirect_jump): Remove mode from match_operand. Verify
21219 proper mode in the condition string.
21220 (icacheflush, dcacheflush): Remove modes from match_operands.
21222 * pa.c (emit_move_sequence): Always convert scratch_reg to the
21223 proper mode before using it.
21225 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
21228 * pa.c (store_reg): Do not call add_high_const generator directly.
21229 (load_reg, set_reg_plus_d): Likewise.
21230 * pa.md (add_high_const): No longer a named pattern.
21232 * pa.c (legitimize_address): Consistently use Pmode rather than
21233 SImode. Do not call gen_pic2_highpart directly anymore.
21234 * pa.md (pic2_highpart): No longer a named pattern.
21235 (pic2_lo_sum): Similarly. Reformat to make more readable.
21237 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
21242 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21244 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
21246 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
21248 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
21249 and tag the spill mems.
21250 (hppa_va_start): New.
21251 (hppa_va_arg): New.
21252 * pa.h (EXPAND_BUILTIN_VA_START): New.
21253 (EXPAND_BUILTIN_VA_ARG): New.
21255 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
21257 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
21258 and tag the spill mems.
21259 (mn10300_va_start): New.
21260 (mn10300_va_arg): New.
21261 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
21262 (EXPAND_BUILTIN_VA_ARG): New.
21264 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
21266 * mn10200.c (mn10200_va_arg): New.
21267 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
21269 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
21271 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
21272 rather than play with TREE_INT_CST_LOW.
21274 1999-07-27 Philip Blundell <pb@nexus.co.uk>
21276 * config/arm/telf.h: Include dbxelf.h.
21277 (CPP_PREDEFINES): Only define if not already defined.
21278 (ASM_IDENTIFY_GCC): Likewise.
21279 (SUBTARGET_EXTRA_SECTIONS): Likewise.
21280 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
21281 * config/arm/thumb.h (LINK_SPEC): Only define if not already
21283 (DBX_DEBUGGING_INFO): Don't define.
21284 * config/arm/linux-telf.h: New file.
21285 * config/arm/linux-tgas.h: New file.
21286 * config/arm/t-thumb-linux: New file.
21287 * config/arm/uclinux-elf.h: New file.
21288 * config/arm/uclinux-telf.h: New file.
21289 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
21290 thumb-*-uclinux): New targets.
21291 * configure: Regenerate.
21293 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
21295 * pa.md (post_store, pre_load): New expanders.
21296 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
21297 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
21298 need to directly generate RTL for them.
21299 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
21302 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
21304 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
21305 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
21306 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
21307 (secndary_reload_class): Make TARGET_ELF conditional compile.
21308 (print_operand_address): Similar.
21309 (output_toc): Print all values as hex.
21310 (get_issue_rate): Rearrange and add RS64A and PPC630.
21311 * rs6000.h (processor_type): Add RS64A and PPC630.
21312 (PROCESSOR_POWERPC64): New.
21313 (PROMOTE_MODE): Use word_mode.
21314 (RTX_COSTS): Add RS64A and PPC630.
21315 * rs6000.md (scheduling information): Add lmul and ldiv
21316 representing 64-bit integer multiply and divide. Add rs64a and
21317 PPC630 information.
21318 (ashldi3): Add support for "rldic" instruction.
21319 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
21321 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
21323 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
21324 instead of V8 for sparclite86x in cpu_table.
21326 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21328 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
21329 output_file_directive.
21331 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
21333 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
21334 tree for op1, not the rtl.
21336 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
21338 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
21339 to m88k_va_start, leaving only the register spill.
21340 (m88k_build_va_list): New.
21341 (m88k_va_start): New.
21342 (m88k_va_arg): New.
21343 * m88k.h (BUILD_VA_LIST_TYPE): New.
21344 (EXPAND_BUILTIN_VA_START): New.
21345 (EXPAND_BUILTIN_VA_ARG): New.
21347 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
21349 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
21350 Rename from expand_builtin_saveregs.
21351 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
21353 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
21355 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
21356 for the register spill block.
21357 (i960_build_va_list): New.
21358 (i960_va_start): New.
21359 (i960_va_arg): New.
21360 * i960.h (BUILD_VA_LIST_TYPE): New.
21361 (EXPAND_BUILTIN_VA_START): New.
21362 (EXPAND_BUILTIN_VA_ARG): New.
21363 * i960.md (store_multiple): Use change_address on individul mems.
21365 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
21367 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
21369 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
21370 (expand_builtin_va_end): Evaluate arg for side effects.
21371 * c-common.c (c_common_nodes_and_builtins): Construct a
21372 va_list_arg_type_node to handle array decomposition to pointer.
21374 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
21376 * except.c (st_dynamic_cleanup): Use force_operand on the
21379 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
21381 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
21382 * c4x.c (c4x_va_arg): New.
21384 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
21386 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
21387 has manual_pop set.
21389 1999-07-26 Nathan Sidwell <nathan@acm.org>
21391 * eh-common.h (__eh_matcher): Prototype correctly.
21393 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
21395 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
21396 (TARGET_SINGLE_PIC_BASE): Likewise.
21397 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
21399 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
21400 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
21401 (TARGET_OPTIONS): Add -mpic-register=N.
21402 (OUTPUT_INT_ADDR_CONST): New macro.
21403 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
21404 LEGITIMATE_PIC_OPERAND_P): Likewise.
21405 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
21406 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
21407 output_addr_const directly.
21408 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
21410 (thumb_pic_register, thumb_pic_register_string): Declare.
21412 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
21414 (label_mentioned_p): New function: Imported from arm.c.
21415 (legitimize_pic_address): New function: Imported from arm.c.
21416 (is_pic):New function: Imported from arm.c.
21417 (thumb_finalize_pic):New function: Imported from arm.c.
21418 (add_constant): Cope with PIC constants.
21419 (fixit): Cope with PIC constants.
21420 (output_return): Do not treat the PIC register as live if
21421 TARGET_SINGLE_PIC_BASE is true.
21422 (thumb_function_prologue): Do not treat the PIC register as live if
21423 TARGET_SINGLE_PIC_BASE is true.
21424 (thumb_expand_prologue): Do not treat the PIC register as live if
21425 TARGET_SINGLE_PIC_BASE is true.
21426 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
21427 TARGET_SINGLE_PIC_BASE is true.
21428 (thumb_print_operand): Accept '|'.
21429 (thumb_override_options): Process PIC options.
21431 * config/arm/thumb.md (movsi): Support PIC.
21432 (call_insn): Change "i" constraint to "X".
21433 (call_value_insn): Likewise.
21434 (consttable_4, consttable_8, consttable_end): Set and clear
21435 "making_const_table" as appropriate.
21436 (pic_load_addr, pic_add_dot_plus_four): New insns.
21438 * invoke.texi (Thumb Options): Fix spelling. Document new
21439 options -msingle-pic-base and -mpic-register=.
21441 1999-07-26 Andrew Haley <aph@cygnus.com>
21443 * config/m32r/initfini.c (__init): Use a full word immediate for
21444 __fini: this allows it to be placed in any memory region.
21446 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
21447 -mmodel=medium. This is OK for all memory models.
21449 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
21451 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
21452 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
21454 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
21456 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
21459 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
21461 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
21463 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
21464 (BUILD_VA_LIST_TYPE): New.
21465 (EXPAND_BUILTIN_VA_START): New.
21466 (EXPAND_BUILTIN_VA_ARG): New.
21467 * i860.c (output_delayed_branch): Disable.
21468 (output_delay_insn): Likewise.
21469 (i860_saveregs): New.
21470 (i860_build_va_list): New.
21471 (i860_va_start): New.
21472 (i860_va_arg): New.
21473 * i860.md: Disable all peepholes using output_delayed_branch.
21474 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
21476 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
21478 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
21479 (BUILD_VA_LIST_TYPE): New.
21480 (EXPAND_BUILTIN_VA_START): New.
21481 (EXPAND_BUILTIN_VA_ARG): New.
21482 * clipper.c (clipper_builtin_saveregs): Only dump registers.
21483 Return the address of the save area.
21484 (clipper_build_va_list): New.
21485 (clipper_va_start): New.
21486 (clipper_va_arg): New.
21488 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
21490 * arc.h (EXPAND_BUILTIN_VA_START): New.
21491 (EXPAND_BUILTIN_VA_ARG): New.
21492 * arc.c (arc_setup_incoming_varargs): Set alias set of
21494 (arc_va_start): New.
21497 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
21499 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
21500 (BUILD_VA_LIST_TYPE): New.
21501 (EXPAND_BUILTIN_VA_START): New.
21502 (EXPAND_BUILTIN_VA_ARG): New.
21503 * alpha.c (alpha_builtin_saveregs): Delete.
21504 (alpha_build_va_list): New.
21505 (alpha_va_start): New.
21506 (alpha_va_arg): New.
21508 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
21510 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
21512 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
21513 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
21515 * gcc.texi: More changes related to list conversion.
21516 * invoke.texi: Likewise.
21518 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
21520 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
21521 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
21522 (expand_builtin_next_arg): Accept ARGLIST not EXP.
21523 (stabilize_va_list): New function.
21524 (std_expand_builtin_va_start): New function.
21525 (expand_builtin_va_start): New function.
21526 (get_varargs_alias_set): New function.
21527 (std_expand_builtin_va_arg): New function.
21528 (expand_builtin_va_arg): New function.
21529 (expand_builtin_va_end): New function.
21530 (expand_builtin_va_copy): New function.
21531 (expand_builtin): Call them.
21532 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
21533 __builtin_{varargs_start,stdarg_start,end,copy}.
21534 (build_va_arg): New function.
21535 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
21536 (build_va_arg): Declare.
21537 * c-decl.c (ptr_type_node, va_list_type_node): New.
21538 * c-parse.gperf (__builtin_va_arg): New.
21539 * c-parse.in (VA_ARG): New token.
21540 (unary_expr): Recognize it.
21541 * expr.c (expand_expr): Expand VA_ARG_EXPR.
21542 * expr.h (std_expand_builtin_va_start): Declare.
21543 (std_expand_builtin_va_arg): Declare.
21544 (expand_builtin_va_arg): Declare.
21545 (get_varargs_alias_set): Declare.
21546 * tree.def (VA_ARG_EXPR): New.
21547 * tree.h (BUILT_IN_VARARGS_START): New.
21548 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
21549 (ptr_type_node, va_list_type_node): Declare.
21550 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
21551 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
21552 * m88k.h, m88k.c: Likewise.
21553 * mn10300.h, mn10300.c: Likewise.
21554 * pa.h, pa.c: Likewise.
21555 * rs6000.h, rs6000.c: Likewise.
21556 * sh.h, sh.c: Likewise.
21557 * sparc.h, sparc.c: Likewise.
21559 * emit-rtl.c (operand_subword): Copy alias set.
21560 (change_address): Likewise.
21562 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
21564 * pa.c (compute_frame_size): Scan all the used callee saved registers,
21565 not just the first one.
21567 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
21569 * config/arm/arm.h (TARGET_SWITCHES): Add
21570 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
21571 (TARGET_OPTIONS): Add -mpic-register=.
21572 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
21573 (arm_pic_register_string): Declare.
21574 (NEED_PLT_GOT): Delete, replace with ...
21575 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
21576 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
21577 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
21578 * config/arm/arm.c (arm_override_options): Add new option
21580 (arm_pic_register_string): New variable.
21581 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
21582 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
21583 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
21584 (output_return_instruction): Likewise.
21585 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
21586 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
21587 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
21589 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
21590 mention of -msched-prolog. Document new options -msingle-pic-base
21591 and -mpic-register=.
21593 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
21595 * haifa-sched.c (reemit_notes): Tidy.
21596 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
21599 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
21601 * explow.c (trunc_int_for_mode): New function.
21602 (plus_constant_wide): Use it.
21603 * combine.c (simplify_and_const_int): Likewise.
21604 (merge_outer_ops): Likewise.
21605 (simplify_shift_const): Likewise.
21606 * cse.c (simplify_unary_operation): Likewise.
21607 (simplify_binary_operation): Likewise.
21608 * emit-rtl.c (operand_subword): Likewise.
21609 * rtl.h: Declare it.
21611 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21613 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
21614 (use NUM_REGS instead of NUM_INTS).
21616 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21618 * builtins.c: New file.
21619 * expr.c (saveregs_value, apply_args_value): Delete definition,
21620 moved into builtins.c.
21621 (string_constant): No longer static.
21622 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
21623 apply_args_size, apply_result_size, result_vector,
21624 expand_builtin_apply_args, expand_builtin_apply,
21625 expand_builtin_return): Delete functions, moved into builtins.c.
21626 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
21627 * expr.h (saveregs_value, apply_args_value): Declare variables.
21628 (expand_builtin, string_constant): Declare functions.
21629 * Makefile.in: Update to build builtin.o.
21631 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
21633 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
21634 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
21635 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
21636 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
21638 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
21641 1999-07-21 Michael Meissner <meissner@cygnus.com>
21643 * print-rtl.c (print_rtx): Print the names of the virtual
21646 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
21648 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
21649 introduced in previous delta.
21651 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21653 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
21654 to avoid name clash.
21656 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21658 * c-lex.c (yylex) : Correct the test for overflow when lexing
21661 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
21663 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
21664 (adjust_priority): Always call ADJUST_PRIORITY.
21665 (schedule_insn): Only put insns into the ready at cost 0.
21666 (schedule_block): Remove redundant initial sort. Give clock_var
21667 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
21669 * tm.texi (MD_SCHED_REORDER): Update docs.
21671 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
21672 * sparc.c (ultra_reorder_called_this_block): Delete.
21673 (ultrasparc_sched_init): Don't set it.
21674 (ultrasparc_sched_reorder): Don't check it.
21676 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
21678 * rs6000.h (struct rs6000_args): Add sysv_gregno.
21679 * rs6000.c (init_cumulative_args): Init sysv_gregno.
21680 (function_arg_boundary): Align DFmode.
21681 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
21682 to get fp reg and stack overflow correct.
21683 (function_arg): Likewise.
21684 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
21685 (setup_incoming_varargs): Restructure for ABI_V4; use
21686 function_arg_advance to skip final named argument.
21687 (expand_builtin_saveregs): Properly unskip the last integer arg
21688 when doing varargs. Adjust overflow location calculation.
21690 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
21691 explicitly unsigned.
21692 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
21693 (__VA_GP_REGSAVE): Similarly.
21694 (__va_longlong_p): Delete.
21695 (__va_arg_type_violation): New declaration.
21696 (va_arg): Restructure. Flag promotion errors. Align double.
21697 TFmode passed by reference.
21699 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
21700 in the HOST_BITS_PER_WIDE_INT > 32 case.
21702 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
21704 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
21706 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
21708 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
21709 * toplev.c (documented_lang_options): Add -fpreprocessed.
21710 * cpplib.h (struct cpp_buffer): Add preprocessed.
21711 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
21712 (cpp_start_read): Don't expand macros or emit an initial #line
21713 directive if -fpreprocessed.
21715 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21717 * cpplib.h (struct cpp_buffer): Added manual_pop for
21718 better C++ tokenization.
21719 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
21720 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
21721 * c-common.c (cpp_token): Make non-static.
21723 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21725 * c-common.h: New file.
21726 * c-common.c (permanent_obstack): Delete unused declaration.
21727 (c_global_trees): New array.
21728 (c_common_nodes_and_builtins): New function; split off common code
21729 from init_decl_processing in both c-decl.c and cp/decl.c.
21730 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
21731 c_global_trees and accessor macros defined in c-common.h.
21732 Include c-common.h.
21733 * c-decl.c: Delete definitions for tree nodes that were replaced by
21735 (init_decl_processing): Build void_list_node.
21736 Call c_common_nodes_and_builtins; delete code to generate the common
21738 * objc/objc-act.c (build_module_descriptor): Rename variable
21739 void_list_node to avoid clash with c-common.h.
21741 * Makefile.in: Update dependencies.
21742 * objc/Make-lang.in: Likewise.
21744 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
21746 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
21747 (UNIQUE_SECTION_P): Likewise.
21748 (UNIQUE_SECTION): Likewise.
21750 1999-07-19 Linas Vepstas <linas@linas.org>
21752 * config/i370/README: New file.
21753 * config/i370/linux.h: New file.
21754 * config/i370/mvs.h: New file.
21755 * config/i370/oe.h: New file.
21756 * config/i370/t-linux: New file.
21757 * config/i370/t-mvs: New file.
21758 * config/i370/t-oe: New file.
21759 * config/i370/x-oe: New file.
21760 * config/i370/xm-linux.h: New file.
21761 * config/i370/xm-mvs.h: New file.
21762 * config/i370/xm-oe.h: New file.
21764 * i370.c (label_node_t): Add first_ref_page, label_addr,
21765 label_first_ref, label_last_ref members.
21766 (mvs_need_base_reload): Renamed from mvs_label_emitted.
21767 (MAX_MVS_LABEL_SIZE): Define.
21768 (MAX_LONG_LABEL_SIZE): Define.
21769 (alias_node_t, alias_anchor, alias_number): New.
21770 (mvs_function_table): Reorder for EBCDIC.
21771 (ascebc, ebcasc): Unconditionally define.
21772 (i370_branch_dest, i370_branch_length): New functions.
21773 (i370_short_branch, i370_label_scan): New functions.
21774 (mvs_get_label): Renamed from mvs_add_label. Search for
21775 an existing label before creating a new one.
21776 (mvs_add_label): New function.
21777 (mvs_get_label_page): New function.
21778 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
21779 over the entire list.
21780 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
21781 (mvs_check_page) [TARGET_ELF_ABI]: New function.
21782 (mvs_add_alias, mvs_need_alias): New functions.
21783 (mvs_get_alias, mvs_check_alias): New functions.
21784 (handle_pragma): New function.
21785 (mvs_function_check): New function.
21786 (unsigned_jump_follows_p): Search harder.
21787 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
21788 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
21789 * i370.h (TARGET_VERSION): Delete.
21790 (CPP_SPEC, CPP_PREDEFINES): Delete.
21791 (mvs_label_emitted): Delete.
21792 (TARGET_EBCDIC): Delete.
21793 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
21794 (HANDLE_PRAGMA): Define.
21795 (HARD_REGNO_NREGS): Handle complex modes.
21796 (HARD_REGNO_MODE_OK): Likewise.
21797 (CLASS_MAX_NREGS): Likewise.
21798 (RET_REG): Likewise.
21799 (EXTRA_CONSTRAINT): Define.
21800 (RETURN_IN_MEMORY): True for DImode.
21801 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
21802 (FUNCTION_PROFILER): Delete.
21803 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
21804 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
21805 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
21806 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
21807 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
21808 (ASM_FILE_START): Add "RMODE ANY".
21809 (ASM_OUTPUT_EXTERNAL): Check for aliases.
21810 (ASM_GLOBALIZE_LABEL): Likewise.
21811 (ASM_OUTPUT_LABELREF): Likewise.
21812 (ASM_OUTPUT_COMMON): Likewise.
21813 (PRINT_OPERAND): Handle 'K', 'W', default.
21814 (PRINT_OPERAND_ADDRESS): New.
21815 (Lots of defines): Add support for TARGET_ELF_ABI.
21816 * i370.md (attr length): New. Define for all patterns.
21817 (*): Lots of tweeks to assembly output and constraints.
21819 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
21821 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
21822 Disable patterns performing SImode comparisons with SImode values
21823 if TARGET_POWERPC64 and instruction does not sign-extend or does
21824 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
21825 differ for signed quantities.
21826 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
21827 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
21828 (decrement_and_branch_on_count): Add 64-bit variant.
21830 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21832 * final.c (output_asm_insn): When searching for the matching string
21833 for a given dialect, don't run past the end of the list of
21834 alternatives if there are fewer alternatives in the template than
21837 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
21839 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
21840 Removed paragraph about compression of files and size limitation,
21841 duplicated in the FAQ. Use gcc-patches for posting patches.
21842 * gcc.c (main): Updated URL with bug reporting instructions to
21843 gcc.gnu.org. Removed e-mail address.
21844 * system.h (abort): Likewise.
21846 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21848 * Makefile.in (stmp-multilib-sub): Make the files extracted
21849 from $(LIBGCC1) writable.
21851 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
21853 * config/arm/aout.h: Reformat for improved readability.
21855 * config/arm/arm.h: Reformat for improved readability.
21856 Replace uses of fprintf with asm_fprintf where appropriate.
21857 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
21858 function declaration assembler actions.
21859 (NUM_INTS): New macro: Convert from bytes to words.
21860 (NUM_REGS): New macro: Compute number of registers required to
21861 hold a quanitity of tyep MODE.
21862 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
21864 (NUM_ARG_REGS): New macro: The number of argument registers
21866 (ARG_REGISTER): New macro: Compute the register number of the Nth
21868 (LAST_ARG_REGNUM): New macro: The number of the last argument
21870 (SP_REGNUM): New macro: Register number of the stack pointer.
21871 (FP_REGNUM): New macro: Register number of the frame pointer.
21872 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
21873 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
21874 CUMULATIVE_ARGS so that it counts registers not bytes.
21876 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
21878 Replace uses of fprintf with asm_fprintf where appropriate.
21879 (output_ascii_pseudo_op): Replace with version from thumb.c
21881 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
21883 * config/arm/elf.h (CPP_PREDEFINES): Replace with
21884 SUBTARGET_CPP_SPEC.
21885 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
21886 (ASM_FILE_START): Emit ASM_APP_OFF.
21888 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
21890 * pa.c (compute_frame_size): Round frame according to
21891 STACK_BOUNDARY rather than a hardwired value.
21893 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
21895 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
21897 * configure: Rebuilt.
21899 * configure.in (hppa*-*-linux*): New configuration.
21900 * configure: Rebuilt.
21901 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
21902 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
21903 * pa/pa-linux.h: New file.
21904 * pa/t-linux: New file.
21905 * pa/xm-linux.h: New file.
21907 * pa.c (hppa_legitimize_address): Change references from SImode to
21908 either Pmode or word_mode as appropriate.
21909 (emit_move_sequence, store_reg, load_reg): Likewise.
21910 (set_reg_plus_d, hppa_expand_prologue): Likewise.
21911 (output_mul_insn): Likewise.
21912 * pa.h (PROMOTE_MODE): Likewise.
21913 (INITIALZE_TRAMPOLINE): Likewise.
21914 (Pmode): Define to word_mode.
21916 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
21917 value of 4. Allocate 8 bytes for each FP register save.
21918 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
21920 (hppa_expand_prologue): Likewise.
21921 * pa.h (PROMOTE_MODE): Likewise.
21922 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
21923 (FUNCTION_ARG_BOUNDARY): Likewise.
21925 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
21927 * pa.c (out_of_line_prologue_epilogue): Delete.
21928 (override_options): Remove -mspace related code.
21929 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
21930 (compute_frame_size): Only allocate space for register that
21931 actually need to be saved.
21932 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
21933 (TARGET_SWITCHES): Remove -mspace, -mno-space
21934 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
21935 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
21936 * pa/ee.asm, pa/ee_fp.asm: Delete.
21938 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
21940 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
21941 directive in column zero.
21943 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
21945 * m68k.c (output_function_prologue): Fix computation of save mask
21946 when generating PIC code.
21948 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
21950 * tree.c (build_type_attribute_variant): Move current_obstack restore
21951 after build_qualified_type call.
21953 1999-07-15 Mark Mitchell <mark@codesourcery.com>
21955 * configure.in: Use t-iris6, even with GNU LD.
21956 * config/mips/iris6gld.h: Fix typo in linker spec.
21957 * config/mips/t-iris6gld: Remove.
21959 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
21961 * rs6000.md (insv, extzv): Remove SImode dependence in named
21962 patterns. Explicitly generate DImode RTL if PowerPC64 and
21964 (insvdi): Reverse start and size in instruction template.
21966 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
21968 * invoke.texi: Typo fixes.
21970 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
21972 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
21973 handle at this time instead of silently generating incorrect code.
21974 (gen_imagpart): Likewise.
21976 * reload.c (find_reloads): Emit a USE for a pseudo register without
21977 a hard register if we could not create an optional reload for the
21980 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21982 * c-typeck.c (output_init_element, process_init_element):
21983 When advancing constructor_unfilled_fields for a RECORD_TYPE,
21984 check for nameless bit fields.
21986 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
21988 * regclass.c (scan_one_insn): Notice subregs that change the
21989 size of their operand.
21990 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
21992 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
21994 * configure.in (alpha*-*-*): Include alpha/t-ieee.
21995 * configure: Rebuilt.
21996 * alpha/t-ieee: New file.
21998 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
22000 * rs6000.c (find_addr_reg): Do not select r0 as an address
22003 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
22005 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
22007 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
22009 * rs6000.md (movsf): Do not force easy FP constants into memory.
22011 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
22012 immed_double_const to ensure they are properly truncated then
22015 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
22017 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
22018 always unless NO_DEBUG is used. Compile this code
22020 (replace_symbols_in_block): Compile it unconditionally.
22022 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
22024 * configure.in (i?86-*-elf*): New target.
22025 * configure: Rebuilt.
22026 * i386/i386elf.h, i386/t-i386elf: New files.
22028 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
22030 * toplev.c (main): Don't complain about saying -gdwarf.
22031 (rest_of_compilation): Remove redundant code.
22033 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
22035 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
22037 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
22039 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
22040 "Li960R:", to avoid name clash.
22042 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22044 * loop.c (check_dbra_loop): When reversing a loop, delete all
22045 REG_EQUAL notes referencing the reversed biv except those which are
22046 for a giv based on it.
22048 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
22050 * version.c: Drop "gcc-" prefix from version #.
22052 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
22054 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
22055 the label if we're being verbose.
22057 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
22059 * m68k.c (output_function_prologue): Add pic register to mask
22060 if live and flag_pic.
22061 (output_function_epilogue): Likewise.
22063 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
22065 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
22066 directives in column zero.
22068 * pa/elf.h (ASM_FILE_START): Define.
22069 * pa/som.h (ASM_FILE_START): Include .level directives.
22070 * pa/hpux10.h (ASM_FILE_START): Delete.
22071 * pa/hpux11.h (ASM_FILE_START): Delete.
22073 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
22075 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22077 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
22078 when reload_out equals reload_in.
22080 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
22082 * invoke.texi (Spec Files): New node: Describe the contents of
22085 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
22087 * invoke.texi (DEC Alpha Options): Put @end table at
22088 beginning of line, to avoid confusing texi2html.
22090 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
22092 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
22093 introduced in previous delta.
22095 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22097 * reload1.c (gen_reload): When synthesizing a 3 operand add
22098 sequence, improve test for when to reload OP1 into the reload
22099 register instead of OP0.
22101 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
22103 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
22105 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
22107 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
22110 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
22112 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
22113 (va_dcl): Use __builtin_va_alist_t.
22115 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
22117 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
22118 on the permanent_obstack.
22119 * dwarfout.c (output_type): Likewise.
22121 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
22123 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
22124 Merged from c-typeck.c and cp/typeck.c.
22125 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
22126 Merged into c-common.
22128 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
22130 * c-lex.c (errorcount): Declare it.
22131 (finish_parse): Update errorcount when using CPPLIB.
22133 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
22135 * fixinc/inclhack.def(end_else_label): Double the backslash so
22136 sed gets a chance to see it.
22137 * fixinc/inclhack.sh: regen
22138 * fixinc/fixincl.x: regen
22140 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
22142 Add framework to support armv5 architecture when it becomes
22145 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
22146 (arm_arch5): New variable.
22147 (all_architectures): Add armv5 line.
22148 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
22149 -march=armv5 is specified on the command line.
22150 (arm_arch5): Export this variable.
22151 * invoke.texi: Document new string accepted by -march= switch for
22154 * config/arm/arm.h: Replace use of constant 12 as a register
22155 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
22156 * config/arm/arm.c: Replace use of constant 12 as a register
22157 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
22159 * config/arm/elf.h: Tidy up.
22160 * config/arm/coff.h: Tidy up.
22162 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
22164 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
22165 * gcc/config/mips/t-iris6gld: New file.
22166 * gcc/config/mips/iris6gld.h: Likewise.
22168 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
22170 * c-decl.c (widest_integer_literal_type_node,
22171 widest_unsigned_literal_type) : New.
22172 (init_decl_processing): Handle/use the two new types.
22173 * c-common.c (type_for_size,type_for_mode) : Same.
22174 * c-lex.c (yylex) : Same.
22175 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
22177 * c-tree.h (widest_integer_literal_type_node,
22178 widest_unsigned_literal_type) : New.
22180 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
22182 * dwarfout.c (field_byte_offset): Correctly compute the object's
22183 byte offset for the first bit of a field which crosses an alignment
22184 boundary on a !BYTES_BIG_ENDIAN target.
22186 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
22188 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
22191 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
22192 Jeff Law <law@cygnus.com>
22194 * ginclude/varargs.h (va_dcl): Use word_mode for type of
22197 * except.c: Include intl.h.
22198 (expand_eh_return): Set current_function_cannot_inline.
22199 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
22200 * function.h (struct function): Add eh_return_stub_label.
22201 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
22202 * Makefile.in (except.o): Depend on intl.h.
22204 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
22206 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
22207 same as offsettable in cases 1 and 2.
22209 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
22211 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
22212 (extlh, extwh): Likewise.
22214 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
22216 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
22218 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
22220 * configure.in: Add arm-pe and thumb-pe targets.
22221 * configure: Regenerate.
22223 * thumb.c (arm_naked_function_p): New function: Determines if
22224 a function is naked (has no gcc generated prologue/epilogue).
22225 (is_called_in_ARM_mode): Return true if the func has the
22226 interfacearm attribute.
22227 (output_return): Do not generate a return for naked functions.
22228 (thumb_function_prologue): Do not generate a prologue for
22230 (thumb_expand_prologue): Do not generate a prologue for naked
22232 (thumb_expand_epilogue): Do not generate an epilogue for naked
22234 (arm_valid_machine_decl_attribute): New function, copied from
22235 arm.c: Permit naked and interfacearm attributes.
22237 * config/arm/pe.c: New file: Support code for arm-pe target.
22238 * config/arm/pe.h: New file: Header file for arm-pe target.
22239 * config/arm/tpe.h: New file: Header file for thumb-pe target.
22240 * config/arm/t-thumb-pe: New file: Makefile fragment for
22243 1999-07-01 Mark Kettenis <kettenis@gnu.org>
22245 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
22246 -fPIC or -fpic is specified.
22248 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
22250 * expr.c (emit_block_move): Use copy_to_mode_reg for
22251 !TARGET_MEM_FUNCTIONS case too.
22253 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
22255 * configure: Rebuilt.
22256 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
22257 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
22258 definitions made redundant by dbxelf.h inclusion. Delete
22259 lots of definitions related to assembly output that are
22260 specific to the SOM object format.
22261 * pa.c (output_function_prologue): Do not emit the function's
22263 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
22264 * pa-pro.h: Deleted.
22265 * som.h: New file with SOM specific definitions.
22266 * elf.h: New file with ELF specific definitions.
22268 * elfos.h (const_section): Output a tab before assembler directives.
22269 (ctors_section, dtors_section): Likewise.
22270 (ASM_OUTPUT_SECTION_NAME): Likewise.
22272 * pa/pa1.h: Delete unused file.
22274 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
22276 * configure.in (hppa*-hp-hpux11*): New configuration.
22277 * configure: Rebuilt.
22278 * pa/pa-hpux11.h: New file.
22279 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
22282 * mips.md (leasi, leadi): New patterns.
22284 * expr.c (emit_block_move): Properly handle case where one of the
22285 block move arguments has a queued increment or decrement.
22286 (clear_storage): Similarly. Fix formatting goof.
22288 1999-06-28 "David O'Brien" <obrien@NUXI.com>
22290 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
22291 semicolon from the BSD VA_LIST replacement expression.
22293 * fixinc/inclhack.sh: regen
22294 * fixinc/fixincl.x: regen
22296 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
22297 now use the fixincl program.
22299 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
22301 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
22302 case. Also make the PIC register call_used.
22304 * m68k.h (FINALIZE_PIC): Delete.
22305 * m68k.c (finalize_pic): Delete.
22307 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
22309 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
22312 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
22314 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
22316 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
22318 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
22320 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
22322 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
22324 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
22326 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
22328 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
22330 * rs6000.c (output_toc): Always use hex values for floating-point
22331 constants. Store single-precision values in upper-half of TOC
22332 entry in 64-bit mode.
22333 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
22334 to final constraints.
22335 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
22336 (fctiwz): Improve accuracy of RTL for pattern.
22338 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
22340 * expr.c (expand_expr): Allow RTL_EXPR's through the
22341 MAX_INTEGER_COMPUTATION_MODE checks.
22343 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
22345 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
22346 such that MASK_SUPPORT_ARCH is not negative.
22348 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
22350 * loop.c (verify_dominator): Properly handle ADDR_VEC and
22351 ADDR_DIFF_VEC insns that appear inside loops.
22353 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
22354 Jeff Law <law@cygnus.com>
22356 * rs6000.md (movdf_hardfloat32): Revert previous patch.
22357 Handle LO_SUM the same as offsettable in cases 1 and 2.
22358 * rs6000.c (find_addr_reg): Revert previous patch.
22360 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
22362 * system.h (strstr): New external function declaration.
22363 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
22364 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
22365 * config.in, configure: Rebuilt.
22367 1999-06-24 Tom Tromey <tromey@cygnus.com>
22369 * gcc.c (main): Read user-specified specs files after computing
22370 additional startfile_prefixes.
22372 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
22374 Revert these two patches:
22376 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22377 * loop.c (strength_reduce): When doing biv->giv conversion, update
22378 reg note of NEXT->insn.
22380 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22381 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22383 (recombine_givs): Set ix field after sorting.
22385 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22387 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
22388 for the parts of an UNSPEC / UNSPEC_VOLATILE.
22390 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
22392 *fixinc/inclhack.def: Add fix development commentary
22393 (read_ret_type): reactivate and add selection clause
22394 (zzz_*): tweak output file name to match what is used in hackshell.tpl
22395 *fixinc/{fixincl.x|inclhack.sh}: regen
22397 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
22399 * expr.c (expand_expr): STRIP_NOPS before checking against
22400 MAX_INTEGER_COMPUTATION_MODE
22401 (check_max_integer_computation_mode): Likewise.
22403 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
22405 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
22407 1999-06-22 Jim Wilson <wilson@cygnus.com>
22409 * expr.c (store_expr): When target is a promoted subreg, return a
22410 promoted subreg as a result.
22412 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
22414 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
22416 (dwarf2out_define): Mark unused parameters appropriately.
22417 (gen_unspecified_parameters_die): Ditto.
22418 (gen_subprogram_die): Fix signed/unsigned warnings.
22419 (gen_variable_die): Ditto.
22421 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
22423 * fixinc/inclhack.def(end_else_label): combined else_label
22424 and endif_label and fixed the sed expression.
22425 *fixinc/{fixincl.x|inclhack.sh}: regen
22427 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
22429 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
22430 'x' when handling non-offsettable addresses
22432 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
22434 * final.c (shorten_branches): Don't try to split an insn that has
22437 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
22439 * config/mips/mips.c (symbolic_expression_p): New function.
22440 (mips_select_rtx_section): Put symbolic expressions in the
22441 data section, not the read-only data section.
22443 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
22445 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
22447 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
22449 * collect2.c (main): Log frame table count.
22450 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
22451 (scan_prog_file) [COFF]: Handle frame tables.
22453 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
22454 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
22455 * alpha/elf.h: Undef them again.
22456 * alpha/vms.h: Remove their definitions.
22458 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22460 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
22461 remove the clobber of r0 and change the REG_UNUSED note to
22464 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
22466 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
22467 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
22468 fits in HOST_WIDE_INT and one uses union to access a long constant
22471 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
22473 * sparc.c (sparc_override_options): Don't allow profiling for
22474 code models other than medlow.
22475 (sparc_function_profiler): New function from old FUNCTION_PROFILER
22476 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
22477 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
22478 (sparc_block_profiler): Likewise.
22479 (sparc_function_block_profiler_exit): Likewise.
22480 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
22481 (FUNCTION_BLOCK_PROFILER): Likewise.
22482 (BLOCK_PROFILER): Likewise.
22483 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
22484 (MCOUNT_FUNCTION): New.
22485 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
22486 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
22487 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
22488 (MCOUNT_FUNCTION): New.
22489 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
22490 (BLOCK_PROFILER): Delete.
22491 (MCOUNT_FUNCTION): New.
22493 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
22495 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
22497 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
22499 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
22502 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
22505 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
22508 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
22511 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
22513 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
22516 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
22518 * i386/djgpp.h (LIB_SPEC): New.
22519 (STARTFILE_SPEC): New.
22521 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
22523 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
22525 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
22528 * system.h (WSTOPSIG): New macro.
22530 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
22532 * c-pragma.c (push_alignment): Don't ignore alignments greater than
22534 (insert_pack_attributes): Take into account member natural
22537 * i386/winnt.c (exports_head): New static variable.
22538 (i386_pe_record_exported_symbol): New function.
22539 (i386_pe_asm_file_end): Use.
22540 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
22541 symbols to be emitted at end of assembly.
22542 (ASM_DECLARE_OBJECT_NAME): Likewise.
22543 (ASM_DECLARE_FUNCTION_NAME): Likewise.
22545 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
22548 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
22550 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
22553 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
22555 * haifa-sched.c (sched_analyze_1): Use free_list instead of
22556 zapping reg_last_uses directly.
22557 (sched_analyze_2, sched_analyze_insn): Likewise.
22558 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
22560 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
22562 * rs6000.md (movdf_hardfloat32): Use worst case insn length
22563 attributes for cases 1 and 2.
22565 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
22567 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
22570 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
22572 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
22574 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
22576 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
22577 PIC_OFFSET_TABLE_REGNUM for general alloaction.
22578 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
22579 must be stacked if it is used for PIC accesses.
22580 * arm.c (use_return_insn): Handle PIC register specially.
22581 (output_return_instruction): Likewise.
22582 (output_func_{prologue,epilogue}): Likewise.
22583 (output_expand_prologue): Likewise.
22585 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
22586 (*strsi_predec): Renamed from *strqi_predec.
22587 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
22588 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
22590 * arm.c (arm_override_options): Remove warning about PIC code
22591 not being supported.
22593 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
22595 * rs6000.c (find_addr_reg): New function.
22596 * rs6000.h (find_addr_reg): Declare.
22597 (offsettable_addr_operand): Delete.
22598 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
22599 from and stores to GPRs.
22601 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
22603 * alpha.c (alpha_expand_block_move): Use get_insns rather than
22604 gen_sequence as argument to emit_no_conflict_block.
22606 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22608 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
22609 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
22610 *fixinc/fixincl.x: regen
22611 *fixinc/inclhack.sh: regen
22613 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
22615 * added support for -mpcrel (PC relative addressing for m68k)
22616 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
22617 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
22618 * m68k.c (print_operand_address): Handle 32-bit PIC case.
22619 (comments for general_src_operand): Add some explanation
22620 about EXTRA_CONSTRAINTS.
22621 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
22622 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
22623 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
22624 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
22625 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
22626 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
22627 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
22628 if not already set.
22629 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
22630 * m68k.h (TARGET_PCREL): New target flag.
22631 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
22632 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
22633 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
22634 contains a SYMBOL_REF. Relax this constraint during reload, since
22635 we want to use the predicates, not reload's built-in concept of a
22636 valid memory address, to control what insns need reloading.
22637 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
22638 operands (essentially 'g', 'm', and 's' under normal circumstances).
22639 * m68k.c (print_operand): Cause printing of pc-relative addresses
22640 to include pc register.
22641 (print_operand_address): Ditto.
22642 (general_src_operand): Accept operands that are not only
22643 general_operands, but are also valid when used as a pc-relative
22645 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
22646 (memory_src_operand): Similar, for memory_operands.
22647 (pcrel_address): New predicate to accept the special case of a
22648 pc-relative address.
22649 * m68k.md (many patterns): Rewrite common SImode, HImode, and
22650 QImode insns to accept *_src_operand instead of *_operand where
22651 pc-relative operands can fit. For example, a pc-relative operand
22652 can be used as a memory source operand for addsi3, but not as a
22653 memory destination.
22654 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
22656 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
22658 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
22659 .thumb_set pseudo op to mark aliases of thumb functions.
22661 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
22663 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
22664 preference to ASM_OUTPUT_DEF, if it is defined.
22666 * tm.texi: Document new, optional target macro
22667 ASM_OUTPUT_DEF_FROM_DECLS.
22669 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22671 * fixincludes: ISCNTL patch
22672 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
22673 (dgux_int_varargs): new for DG/UX
22674 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
22676 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
22678 * invoke.texi (ia32 options): Fix typo.
22680 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22682 * loop.c (strength_reduce): When doing biv->giv conversion, update
22683 reg note of NEXT->insn.
22685 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
22687 * loop.c (move_movables): Note issues with replacing REGs with
22689 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
22691 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
22693 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
22695 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
22696 the reference to `mcount' was not correct for the ELF on FreeBSD.
22698 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22700 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22703 (recombine_givs): Set ix field after sorting.
22705 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
22707 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
22708 to safe to extract a subword out of a REG.
22710 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22712 * sh.md (mulsi3): Don't add a no-op move at the end.
22714 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22716 * cse.c (cse_insn): Don't put hard register source into tables for
22717 the last insn of a libcall.
22719 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22721 * loop.c (strength_reduce): Insert sets of derived givs at every
22722 biv increment, even if it's the only one.
22724 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
22726 * dwarfout.c (add_incomplete_type): New fn.
22727 (output_type): Call it.
22728 (retry_incomplete_types): New fn.
22729 (dwarfout_finish): Call it.
22731 From Eric Raskin <ehr@listworks.com>:
22732 (output_type): Output types for bases.
22734 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22736 * mips.c (mips_output_conditional_branch): Add `break'
22737 between `default' label and `close braces'.
22739 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
22741 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
22742 specifications and make it realistic.
22743 (LIB_SPEC): Likewise.
22745 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
22747 * config/mips/mips.c (mips_secondary_reload_class): Check for
22748 (PLUS (SP) (REG)) and return appropriate register class.
22749 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
22750 Handle (PLUS (SP) (REG)).
22751 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
22752 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
22753 of emit_insn for tablejump.
22755 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
22757 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
22758 asm_fprintf format string by itself.
22759 (output_function_profiler): Likewise.
22761 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
22763 * combine.c (simplify_logical, case AND): Only call
22764 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
22765 or the constant is positive.
22767 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
22769 * configure.in: Fix typo in rs6000-ibm-aix4 case.
22770 * configure: Regenerate.
22772 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
22774 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
22775 require a sub-version #.
22776 * configure: Rebuilt.
22778 1999-06-14 Robert Lipe (robertlipe@usa.net)
22780 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
22782 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
22784 * c-typeck.c (process_init_element): Detect excess elements in
22785 char array initializer.
22787 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22789 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
22791 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
22793 * invoke.texi (Option Summary): Add -fpermissive flag.
22795 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
22797 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
22798 that require PIC code sequences.
22800 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
22802 * configure.in: Add new target: thumb-elf.
22803 * configure: Regenerate.
22804 * config/arm/t-thumb-elf: New file: Makefile fragment for
22806 * config/arm/telf.h: New file: Header file for thumb-elf
22809 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
22811 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
22812 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
22813 initializers is some circumstances.
22815 * fixinc/inclhack.def (endif_label): Add additional selector for
22816 more bogus stuff after #endif statements.
22817 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
22819 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
22821 * i386/cygwin.h (SET_ASM_OP): Define.
22823 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
22825 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
22827 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22829 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
22832 * sh.md (ic_invalidate_line_i): Remove second alternative.
22834 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22836 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
22837 test for the presence of valid prototypes. Delete bypass expr.
22838 (ioctl_fix_ctrl): Correct the selection expression.
22839 (no_double_slash): Correct quoting rules
22840 *fixinc/fixincl.x: regen
22841 *fixinc/inclhack.sh: regen
22843 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
22845 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
22847 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22849 * rs6000.md (movsi_got_internal_mem): Delete.
22850 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
22851 (GOT_TOC_REGNUM): Delete.
22852 (PIC_OFFSET_TABLE_REGNUM): Define.
22853 (FINALIZE_PIC): Disable.
22854 * rs6000.c (rs6000_got_register): New code for fixed pic register.
22855 (rs6000_replace_regno): Delete.
22856 (rs6000_finalize_pic): Likewise.
22857 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
22859 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22861 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
22862 is a note; use <= for the compare; advance P while it is
22865 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
22867 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
22868 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
22870 * varasm.c (remove_from_pending_weak_list): Verify t->name
22871 is non-NULL before passing it to strcmp.
22873 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22875 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
22876 the typed arguments are not part of a comment
22877 (ioctl_fix_ctrl): Added a purpose comment
22878 *fixinc/fixincl.x: regenerate
22879 *fixinc/inclhack.sh: regenerate
22881 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22883 * invoke.texi: Add C4x invocation docs.
22885 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22887 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
22889 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
22891 (c4x_legitimize_reload_address): New function.
22892 * config/c4x/c4x.md: Update docs.
22894 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
22896 * fixincludes: Avoid removing '.'.
22897 * fixinc/fixinc.svr4: Likewise.
22898 * fixinc/fixinc.winnt: Likewise.
22899 * fixinc/inclhack.tpl: Likewise.
22900 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
22902 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22904 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
22906 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
22908 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
22910 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
22913 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
22915 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
22916 * configure: Regenerate.
22918 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
22920 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
22923 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
22925 * fixinc/inclhack.def (avoid_bool): Also catch
22926 "typedef [unsigned] int bool".
22927 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
22929 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
22930 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
22931 * configure: Rebuilt.
22933 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
22935 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
22936 such that we can override its definitions if necessary.
22937 (CPP_SPEC): New define. Support processor specific predefines via
22939 (CC1_SPEC): New define. Support processor specific compiler
22940 options via %(cc1_cpu).
22941 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
22944 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22946 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
22947 between sed's -e flag, and the open-quote following it.
22948 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
22950 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
22951 Jeffrey A Law (law@cygnus.com)
22953 * varasm.c (assemble_start_function): Remove the function
22954 from the pending weak decls list when we define a function.
22955 (assemble_variable): Similarly for variables.
22956 (weak_finish): Ignore items on the list with a NULL name.
22957 (remove_from_ending_weak_list); New function to "remove" an item
22958 from the pending weak declarations list.
22960 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
22962 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
22964 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
22966 * c-lex.c (GETC): Redefine to call getch.
22967 (UNGETC): Redefine to call put_back.
22968 (putback_buffer): New structure type.
22969 (putback): New static structure.
22970 (getch): New function.
22971 (put_back): New function.
22972 (yylex): Replace unused bytes from bad multibyte character.
22974 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
22976 * cpplib.c (do_define): Cast `alloca' return value.
22977 (do_include, do_undef, do_pragma): Likewise.
22978 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
22980 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
22981 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
22983 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
22985 * sparc.md (abstf2): This should be an expand.
22986 (split after abstf2_notv9): Fix mode.
22987 (abstf2_hq_v9): New pattern.
22988 (abstf2_v9): Only use when no hard quad.
22989 (absdf2_v9): Fix if target is not the same as source.
22990 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
22991 Add correct output constraints.
22993 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
22995 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
22996 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
22998 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
23000 * mips.h (mips_output_conditional_branch): New function.
23001 (mips_adjust_insn_length): Likewise.
23002 (ASSEMBLER_SCRATCH_REGNUM): New macro.
23003 (ADJUST_INSN_LENGTH): Likewise.
23004 * mips.c (print_operand): Add `F' and `W' for floating-point
23005 comparison opcodes.
23006 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
23008 (mips_adjust_insn_length): New function.
23009 (mips_output_conditional_branch): New function.
23010 * mips.md (length): Adjust attribute definition to handle
23011 conditional branches. Change lengths to bytes, rather than
23012 instructions throughout. Remove length attribute from
23013 instructions whose length is four bytes, and rely on the default
23015 (dslot): Fix typo in comment.
23016 Reword conditional branch patterns to use
23017 mips_output_conditional_branch.
23019 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
23021 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
23022 (LIB_SPEC): Likewise.
23023 Link with -lprof1_r for -g/-pg.
23025 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
23027 * loop.c (check_dbra_loop): Fix change of Jan 19.
23029 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
23031 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
23032 (STARTFILE_SPEC): Define, override the svr4.h version.
23033 (ENDFILE_SPEC): Likewise.
23035 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
23037 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
23038 * fixinc/fixincl.x: Regenerated.
23039 * fixinc/inclhack.sh: Regenerated.
23041 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23043 * sh.c (barrier_align): Don't return early for normal branch/barrier
23044 when optimizing for SH2.
23046 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
23048 * i386/udk.h (LINK_SPEC): Correct linker search path for
23051 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23053 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
23054 (braf_label_ref_operand): Delete.
23055 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
23056 * sh.md (casesi_jump_2): Operand1 is now the inside of a
23057 label_ref, and has no predicate.
23058 The patten has a predicate to guard against invalid substitutions.
23059 (dummy_jump): Delete.
23060 (casesi): Update use of casesi_jump_2.
23062 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23064 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
23065 *fixinc/fixincl.x: regenerate
23066 *fixinc/inclhack.sh: regenerate
23068 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
23070 * dwarf2out.c (add_incomplete_type): New fn.
23071 (gen_struct_or_union_type_die): Call it.
23072 (retry_incomplete_types): New fn.
23073 (dwarf2out_finish): Call it.
23075 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
23077 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
23078 current block starts with a CODE_LABEL and ends with a CALL and
23079 we can not find all the argument setup instructions for the CALL.
23081 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
23083 Revert this change:
23084 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
23085 something is a candidate for optimize_bit_field_compare.
23087 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23089 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
23091 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
23093 * alpha.c (override_options): Thinko in last patch.
23095 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
23096 (LIB_SPEC): Recognize -pthread.
23098 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
23100 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
23101 definition in config/arm/coff.h
23102 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
23104 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23106 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
23107 fixes that need "file=xxx\n" prepended before invocation
23108 (start_fixer - new): starting the fixer process is complex enough
23109 to warrent its own routine. It prepends the "file=xxx\n" stuff.
23110 (process): uses the new routine; omit usage of putenv()
23111 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
23112 * fixinc/fixincl.x: regenerate
23114 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
23116 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
23117 and version #s (1.1 -> 2.96) as needed.
23118 * README.g77: Kill way out of date file in the toplevel directory.
23120 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
23122 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
23123 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
23124 * configure: Rebuilt.
23125 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
23126 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
23127 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
23128 (SWITCH_TAKES_ARG): Likewise.
23129 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
23130 * config/t-freebsd: Moved from config/i386/ so it can used for all
23133 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
23135 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
23137 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
23139 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
23140 * configure: Rebuilt.
23142 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
23144 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
23145 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
23146 * rs6000/rs6000.c (rs6000_file_start): Use putc.
23147 (rs6000_output_load_toc_table): Same.
23148 (output_prolog, output_mi_thunk): Same.
23149 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
23150 (ASM_GLOBALIZE_LABEL): Use putc.
23152 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
23154 * alpha.md (reload_*_help): New patterns and splitters.
23155 (reload_*): Use them.
23156 (mov[qh]i): Likewise.
23158 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
23160 * cccp.c (handle_directive): Handle backslash-newlines in quoted
23163 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
23165 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
23167 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
23169 * flow.c (mark_regs_live_at_end, insn_dead_p,
23170 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
23171 and HARD_FRAME_POINTER_REGNUM special treatment if reload
23172 hasn't run or the frame pointer is needed.
23173 * haifa-sched.c (attach_deaths): Likewise.
23174 * sched.c (attach_deaths): Likewise.
23176 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
23178 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
23179 calculate_can_reach_end returns nonzero.
23181 * configure.in (native gas tests): Search for an assembler in the
23182 same manner that the installed compiler will.
23183 * configure: Rebuilt.
23184 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
23186 * alias.c (find_base_term): Improve handling of addresses
23187 constructed from binary operations.
23189 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
23191 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
23193 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
23195 * function.h (cleanup_label, frame_offset): Declare.
23196 (tail_recursion_label, tail_recursion_reentry): Likewise.
23197 (arg_pointer_save_area, rtl_expr_chain): Likewise.
23198 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
23199 (tail_recursion_label, tail_recursion_reentry): Likewise.
23200 (arg_pointer_save_area, rtl_expr_chain): Likewise.
23202 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
23204 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
23206 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
23207 (MAX_OFILE_ALIGNMENT): Define.
23209 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
23211 * fixincl.c: Replace local include scheme with #includes of
23212 gansidecl.h and system.h.
23213 * procopen.c: Likewise.
23214 * server.c: Likewise.
23216 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
23218 * i386/t-dgux (EXTRA_PARTS): Add crti.o
23219 (crti.o): Add build rule and dependencies.
23220 * fixinc/fixinc.dgux: Use modified _int_varargs.h
23222 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23224 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
23225 (LIB_LINUX_SPEC): Likewise.
23226 (LIB_LINUX_SPEC): Add support for -pthread
23227 (CPP_OS_LINUX_SPEC): Likewise.
23228 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
23231 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
23233 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
23235 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
23236 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
23237 for IEEE math and CC_FCOMI.
23238 (put_jump_code): No IEEE if CC_FCOMI is set.
23240 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
23242 * fold-const.c (fold_truthop): Make the field reference unsigned
23243 when converting a single bit compare.
23245 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23247 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
23249 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
23251 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
23252 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
23255 * reload.c (push_reload): Do not call remove_address_replacements
23256 when presented with identical optional reloads.
23258 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
23260 * alpha.h (MASK_FIX, TARGET_FIX): New.
23261 (MASK_*): Reorganize constants.
23262 (CPP_AM_FIX_SPEC): New.
23263 (TARGET_SWITCHES): Add FIX.
23264 (EXTRA_SPECS): Likewise.
23265 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
23266 (SECONDARY_MEMORY_NEEDED): Likewise.
23267 (REGISTER_MOVE_COST): Likewise.
23268 * alpha.c (override_options): Add FIX support. Always use
23269 ALPHA_TP_PROG for ev6.
23270 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
23271 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
23272 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
23274 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
23276 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
23277 something is a candidate for optimize_bit_field_compare.
23279 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
23281 * gcc.texi (Passes): Document branch-shortening.
23282 * invoke.texi (Debugging Options): Document the fact that `-dp'
23283 outputs length information for instructions.
23285 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
23287 * flow.c: Revert previous delta.
23289 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
23291 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
23292 FRAME_POINTER_REGNUM.
23293 (mark_set_1): Ditto.
23294 (mark_used_regs): Ditto.
23296 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
23298 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
23299 (GOT_PCREL): New macro. Define to 1 if not already defined.
23300 * arm/elf.h (GOT_PCREL): Define to 0.
23301 * arm.c (arm_finalize_pic): Take into account the setting of
23304 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
23306 * output.h (STRIP_NAME_ENCODING): Provide default definition.
23307 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
23309 * flow.c (mark_set_1): Do not record BLKmode stores as dead
23310 store elimination candidates.
23312 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
23314 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
23317 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
23319 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
23320 Add use of x-aix41-gld.
23322 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
23324 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
23325 (ASM_OUTPUT_DESTRUCTOR): Define.
23327 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
23329 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
23330 last CODE_LABEL in a loop if we have previously passed a jump
23331 to the top of the loop.
23333 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
23335 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
23336 applying Philip's patch.
23338 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
23340 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
23343 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
23345 * loop.c (strength_reduce): Grow reg_single_usage as needed.
23347 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
23349 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
23350 Also remove a useless comment.
23352 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
23354 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
23356 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
23358 * collect2.c (main): Only generate import or export file and add
23359 to link arguments if non-empty. Use xmalloc not alloca.
23360 (write_{export,import}_file): Delete.
23361 (write_aix_file): New function.
23362 (locatelib): Use xmalloc not malloc.
23363 (GCC_OK_SYMBOL): Do not check type if aix64.
23365 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
23367 Based on patch by Scott Bambrough and Pat Beirne:
23368 * config/arm/arm.c (making_const_table): New variable.
23369 * config/arm/arm.h (making_const_table): Declare.
23370 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
23372 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
23373 Keep track of when we are building the constant table.
23375 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
23377 * config/arm/arm.c (arm_override_options): Fix erroneous warning
23380 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
23382 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
23385 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
23387 * tm.texi (FUNCTION_ARG): Correct description of a stack element
23390 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
23392 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
23394 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23396 * rs6000.c (output_mi_thunk): Enable full support again.
23398 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23400 * sh.h (BRANCH_COST): Define.
23402 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
23404 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
23406 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
23408 * function.c (assign_stack_local): Align stack slot propertly.
23409 (assign_outer_stack_local): Likewise.
23411 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
23413 * expr.h (lang_expand_constant): Declare.
23414 * toplev.c (lang_expand_constant): Define it.
23415 * varasm.c (output_constant): Use it.
23417 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23419 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
23420 Change function definitions to K&R style.
23422 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23424 * fixinc/fixincl.c: We must not ignore SIGCLD now.
23426 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
23428 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
23429 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
23430 (several places): omit static initialization
23431 (process): use single fd, since only the read fd is used
23432 * fixinc/gnu-regex.c: define 'const' away, if not supported
23433 * fixinc/procopen.c(several places): omit static initialization
23434 * fixinc/server.c: define 'volitile' away, if not supported
23436 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
23438 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
23439 asm_fprintf and %L to generate the label name.
23440 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
23441 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
23443 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
23445 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
23446 insn for a conditional jump can not be found.
23448 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
23450 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
23451 on variables in specific sections other than .sbss and .sdata.
23453 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
23455 * stmt.c (expand_return): Call start_cleanup_deferral and
23456 end_cleanup_deferral around conditional code.
23458 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23460 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
23461 filename lists. Utilizes new "krstr" AutoGen function.
23462 * fixinc/fixincl.x: Rebuilt.
23464 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
23466 * i386.c (output_float_compare): Avoid GNU-C extensions.
23468 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
23470 * version.c: Bump to distinguish mainline tree from the
23473 See ChangeLog.1 for earlier changes.