1 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
4 __classof__, and __headof__ from the list of gnu keywords.
6 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8 * cpphash.c (timestamp): Delete.
9 (del_HASHNODE): If type is T_MCONST, free value.cpval.
10 (special_symbol): Remove unnecessary braces. Remove
11 T_VERSION. Treat T_STDC like T_CONST unless
12 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
13 when one is encountered, then convert them into T_MCONST
15 * cppinit.c (builtin_array): version_string is T_MCONST.
16 __STDC__ has a "1" in its cpval. Don't have a terminator
17 entry. Clean up which entries are dumped.
18 (initialize_builtins): Only __STDC__ gets the special
19 -traditional treatment. Count the length of builtin_array.
20 Render version_string here.
21 * cpphash.h: Remove T_VERSION. Add T_MCONST.
22 * cpplib.h (struct cpp_reader): Remove timebuf.
24 2000-04-09 Richard Henderson <rth@cygnus.com>
26 * genrecog.c (pred): Update comparison_operator for the unordered
29 * config/i386/i386.c (no_comparison_operator): Disallow unordered
31 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
32 (uno_comparison_operator): New.
33 (put_condition_code): Handle UNORDERED/ORDERED.
34 (unsigned_comparison): Likewise.
35 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
36 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
37 (ix86_expand_fp_compare): Use them. Take scratch as argument,
38 update all callers. Handle all 8 unordered operators.
39 (ix86_expand_setcc): Lose the unordered argument, update all callers.
40 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
41 * config/i386/i386.h (PREDICATE_CODES): Update.
42 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
43 (ix86_expand_branch, ix86_expand_setcc): Update.
44 * config/i386/i386.md (sunordered, sordered): New.
45 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
46 (bunordered, bordered): New.
47 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
48 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
49 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
51 2000-04-09 Philip Blundell <philb@gnu.org>
53 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
55 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
57 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
58 fix_truncxfhi2): New patterns.
59 * i386.c (output_fix_trunc): Handle converting to HImode.
61 2000-04-08 Alex Samuel <samuel@codesourcery.com>
63 * ssa.c (convert_to_ssa): Eliminate dead code when calling
65 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
66 (for_each_successor_phi): Change parameter to basic_block.
67 (coalesce_regs_in_successor_phi_nodes): Likewise.
68 (coalesce_regs_in_copies): Likewise.
69 (compute_coalesced_reg_partition): Use basic_block instead of index.
70 * rtl.h (convert_to_ssa): Delete.
71 (convert_from_ssa): Likewise.
72 (successor_phi_fn): Likewise.
73 (for_each_successor_phi): Likewise.
74 (in_ssa_form): Likewise.
75 * basic-block.h (convert_to_ssa): Moved from rtl.h.
76 (convert_from_ssa): Likewise.
77 (successor_phi_fn): Likewise.
78 (in_ssa_form): Likewise.
79 (for_each_successor_phi): Likewise. Change parameter to basic_block.
80 * flow.c (calculate_global_regs_live): Pass a basic_block to
81 for_each_successor_phi.
83 2000-04-08 Richard Henderson <rth@cygnus.com>
85 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
86 was modified in the current insn.
88 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
90 * arm/thumb.md: Delete.
91 * arm/thumb-protos.h: Delete.
93 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
95 Merge changes from merged-arm-thumb-backend-branch onto trunk.
97 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
99 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
102 * arm.md (nop): Use the standard RTL expression. Don't code as a
104 (*arm_nop, *thumb_nop): Delete.
106 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
107 constants. Use casts instead.
108 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
109 output_multi_immediate, arm_poke_function_name): Likewise.
110 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
111 MASK_RETURN_ADDDR): Likewise.
113 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
115 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
118 * arm.md (eh_epilogue): New function.
119 * arm.h (struct machine_function): Move to here ...
120 * arm.c: ... from here.
121 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
122 (thumb_exit): Extra parameter eh_ofs. All callers changed.
123 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
125 2000-03-30 Nick Clifton <nickc@cygnus.com>
127 * config/arm/semi.h (ASM_SPEC): Restore definition.
128 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
130 * config/arm/elf.h (ASM_SPEC): Restore definition.
131 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
133 * config/arm/arm.h (ASM_SPEC): Remove definition.
134 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
136 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
138 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
140 2000-03-24 Nick Clifton <nickc@cygnus.com>
142 Various formating tidyups, elimination of compile time
143 warnings and synchronisation with internal sources:
145 * config/arm/arm-protos.h (assemble_align): Add prototype.
146 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
147 (gen_comapre_reg): Rename to arm_gen_compare_reg.
148 (arm_return_addr_rtx): Rename to arm_return_addr.
150 * config/arm/arm.c: Include except.h.
151 Define shorter typenames for strict minipool_node and struct
153 (arm_return_in_memory): For WinCE return all structures <= 32 bits
155 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
156 (gen_comapre_reg): Rename to arm_gen_compare_reg.
158 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
160 (ASM_SPEC): Define if not already defined.
161 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
163 * config/arm/arm.md: Rename references to gen_rotated_half_load to
164 arm_gen_rotated_half_load, and references to gen_comapre_reg to
166 (indirect_jump): Only accept register operands.
167 (load_indirect_jump): Keep this pattern since combine can generate
170 * config/arm/coff.h: Include aout.h.
171 (MULTILIB_DEFAULTS): Only define if not already defined.
173 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
174 into arm.h (so that COFF ports can support thumb based aliases).
175 (ASM_SPEC): Move definition into arm.h
177 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
179 (ASM_SPEC): Move definition to arm.h
181 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
183 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
184 for entries in the .bss section
186 2000-03-23 Nick Clifton <nickc@cygnus.com>
188 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
189 to thumb_far_jump_used_p.
191 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
192 single integer parameter.
194 * config/arm/arm.c (struct machine_function): Add two new
195 fields, 'far_jump_used' and 'arg_pointer_live'.
196 (thumb_far_jump_used_p): Once the decision has been made that
197 far jumps might be used, always return true.
198 If being called from the initial elimination offset macro then
199 do not bother to perform the test if the arg pointer is not
201 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
202 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
204 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
206 * arm.c (output_return_instruction): Handle more cases where we can
207 return from a function with an ldr instruction.
208 (arm_output_epilogue): Likewise.
210 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
211 if we need to push a large stack frame and there are no callee-saved
214 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
215 in ARM code if the frame pointer has been eliminated.
217 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
218 unspec_volatile arguments to avoid duplicates.
219 (consttable_1, consttable_2): Fixes for big-endian mode.
221 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
224 Re-write constant pool code.
225 * arm.c (minipool_node, minipool_fix): New types.
226 (minifix): Delete type.
227 (arm_add_minipool_constant): Delete.
228 (arm_compute_minipool_offsets, arm_find_barrier,
229 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
230 (get_jump_table_size): Now returns HOST_WIDE_INT.
231 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
233 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
234 (assign_minipool_offsets, arm_print_value): Likewise.
235 (dump_minipool): Rewrite.
236 (arm_barrier_cost): New function.
237 (create_fix_barrier): New function.
238 (push_minipool_barrier): New function.
239 (push_minipool_fix): Record additional information about the fixup
241 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
242 check the mode of what needs fixing.
243 (arm_reorg): Rewrite.
245 2000-03-08 Nick Clifton <nickc@cygnus.com>
247 * config/arm/arm.md (indirect_jump): Force constant addresses into
250 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
252 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
254 2000-02-24 Nick Clifton <nickc@cygnus.com>
256 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
257 adjust is word aligned.
258 (thumb_expand_epilogue): Make sure that stack adjust is word
261 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
263 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
265 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
266 pointer relative addresses.
268 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
270 * arm.c (find_barrier): Find the last barrier within the allowed
273 2000-02-09 Nick Clifton <nickc@cygnus.com>
275 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
277 2000-02-09 Nick Clifton <nickc@cygnus.com>
279 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
280 ARM_FUNCTION_PROFILER.
282 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
283 ARM_FUNCTION_PROFILER.
285 * config/arm/linux-oldld.h: Imported from mainline sources.
287 2000-02-07 Nick Clifton <nickc@cygnus.com>
289 * config/arm/lib1funcs.asm: Merge in thumb functions from
292 * config/arm/lib1thumb.asm: Delete.
294 2000-02-04 Nick Clifton <nickc@cygnus.com>
296 * config/arm/arm.c: Sychronised with current Red hat local
298 * config/arm/arm.h: Ditto.
299 * config/arm/arm-protos.h: Ditto.
301 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
303 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
305 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
308 2000-02-02 Nick Clifton <nickc@cygnus.com>
310 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
312 * config/arm/arm.md (epilogue): Fix rtl checking abort because
313 (return) was emited using an emit_insn() call.
315 2000-01-31 Nick Clifton <nickc@cygnus.com>
317 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
319 (thumb_exit): Move frame pointer back into hard frame pointer
320 register if backtracing is being used.
322 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
324 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
327 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
329 * config/arm/arm.md (neg_pool_offset): Provide default for new
331 (arm_movsi_insn): Add neg_pool_offset attribute.
332 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
333 rtx for the insn that starts the scan and an unsigned long for its
334 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
335 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
336 instructions in *PINSERTED.
337 (struct minipool_fixup): Add MIN_ADDRESS elt.
338 (sort_fixups): Compute it.
339 (arm_reorg): Changes to support inserting pools before the insn to be
342 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
344 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
345 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
346 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
348 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
350 * config/arm/semi.h (TARGET_VERSION): Do not define if already
352 (TARGET_DEFAULT): Do not define if already defined.
354 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
356 * config/arm/arm.md (anddi3): Allow disjoint source operands.
357 (iordi3): Allow disjoint source operands.
358 (xordi3): Allow disjoint source operands.
359 (negdi2): Permit construction for ARM and Thumb.
360 (arm_negdi2): Renamed version of old negdi2 pattern.
361 (thumb_negdi2): New pattern: Only permit non-overlapping
362 source and destination.
364 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
366 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
367 scratch low register so that it will not be deleted.
369 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
371 * config/arm/pe.h (ARM_PE): Define.
373 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
374 interfacearm attribute if this is a PE toolchain.
375 (output_return_instruction): Do not emit anything if the function
376 has the naked attribute set.
377 (is_called_in_ARM_mode): If the function has the interfacearm
378 attribute then return true.
379 (thumb_expand_prologue): Do not generate a prologue for naked
381 (thumb_expand_epilogue): Do not generate an epilogie for a naked
383 (output_thumb_prologue): Do not bother if the function is naked.
384 Strip PE encoding from function name before emitting.
386 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
388 * arm.md (pic_load_addr): Fix constraints.
390 * arm.md (casesi_insn): Fix mis-applied patch.
392 * arm.md ("core" function unit): Add rules for single- and
394 (All TARGET_THUMB patterns): Add "type" attribute information
396 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
397 the following insn is a CALL.
399 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
401 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
402 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
403 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
405 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
407 * config/arm/linux-gas.h: oops - this file was missed out when the
408 branch was created...
410 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
412 * thumb.c: Deleted. Move contents to ...
414 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
416 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
419 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
420 declare a prototype for asm_output_align();
422 * arm.c (thumb_condition_code): Delete.
423 (arm_print_operand): Always use arm_condition_code array.
425 * arm.c (thumb_return_addr_rtx): Delete.
426 (arm_save_machine_status, arm_restore_machine_status): Delete.
427 (arm_init_machine_status, arm_mark_machine_status): New functions.
428 (arm_init_expanders): Update accordingly.
429 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
430 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
431 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
433 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
435 * configure.in : Fix arm-*-aout target to use new t-arm-aout
437 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
440 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
442 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
443 stack backtrace structure.
445 * config/arm/arm-protos.h: Add prototypes for functions defined in
448 * config/arm/arm.c (arm_override_options): Fix selection of
449 attributes of default processor.
451 * config/arm/coff.h: Delete needless #include.
453 * config/arm/pe.c: Delete unused code.
455 * config/arm/pe.h (CPP_DEFINES): Delete
456 (SUBTARGET_CPP_SPEC): Define.
457 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
459 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
461 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
463 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
465 (CAN_DEBUG_WITHOUT_FP): Define.
466 (FIXED_REGISTERS): Make r11 call-saved.
467 (CALL_USED_REGISTERS): Likewise.
468 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
469 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
470 frame-pointer is required.
471 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
472 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
473 if the target normally needs a stack frame in non-leaf functions.
474 (use_return_insn): Correct logic for determining when a return
475 instruction can be used.
476 (output_return_instruction): Handle the frame-pointer register as
477 a normal register when not TARGET_APCS_FRAME.
478 (arm_output_prologue): Likewise.
479 (arm_output_epilogue): Likewise.
480 (output_func_epilogue): Likewise.
481 (arm_expand_prologue): Likewise.
482 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
484 * arm.c (use_return_insn): No need to check floating point regs if
486 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
487 the code of value stored in the minipool array.
488 (arm_add_minipool_constant): Likewise.
490 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
492 * basic-block.h (conflict_graph_enum_fn): K&R fix.
494 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
496 * tree.c (tree_expr_nonnegative_p): New function.
498 * tree.h (tree_expr_nonnegative_p): Declare.
500 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
501 elide some sign_compare warnings.
502 (build_conditional_expr): Likewise.
504 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
506 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
508 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
509 * i386.c (print_operand): Use the proper suffix for a 387 HImode
510 operand. Abort if a 387 operand has an unsupported size.
512 2000-04-08 Neil Booth <NeilB@earthling.net>
514 * cppexp.c (parse_charconst): Null does not end character
516 * cppinit.c (ISTABLE): Null character handled as whitespace.
517 * cpplex.c (null_warning): new function.
518 (skip_string): Emit warning if nulls encountered.
519 (_cpp_skip_hspace): Emit warning if nulls encountered.
520 (_cpp_lex_token): Emit warning if nulls encountered. Drop
524 2000-04-07 Richard Henderson <rth@cygnus.com>
526 * flow.c (loop_depth): Remove.
527 (reg_next_use, cc0_live, mem_set_list): Replace with ...
528 (struct propagate_block_info): New.
529 (life_analysis): Don't allocate reg_next_use.
530 (propagate_block_delete_insn): Break out of propagate_block.
531 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
532 (propagate_block_delete_libcall): Likewise.
533 (propagate_block): Create a propagate_block_info struct to pass
534 to subroutines. Allocate one not two temporary regsets. Don't
535 clobber memory for const calls. Look for clobbers in
536 CALL_INSN_FUNCTION_USAGE.
537 (mark_set_regs): Recognize COND_EXEC.
538 (mark_set_reg): Break out of mark_set_1.
539 (mark_used_reg): Break out of mark_used_regs.
540 (mark_used_regs): Recognize COND_EXEC.
541 (insn_dead_p): Use propagate_block_info struct.
542 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
543 (find_auto_inc, try_pre_increment_1): Likewise.
544 (print_rtl_with_bb): Dump regs live at end too.
545 (count_reg_sets_1): Pass in loop_depth.
546 (count_reg_sets, count_reg_references): Likewise.
547 (recompute_reg_usage): Provide it.
549 2000-04-07 Richard Henderson <rth@cygnus.com>
551 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
554 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
556 * cpplib.c (do_elif): Skip the rest of the line if we're
557 not going to bother evaluating it.
558 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
559 to avoid pointless calls to the lexer.
561 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
563 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
565 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
567 * calls.c (expand_call): emit_queue if we're trying a sibcall.
569 2000-04-07 Jakub Jelinek <jakub@redhat.com>
571 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
573 2000-04-06 Geoff Keating <geoffk@cygnus.com>
575 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
576 crtend so they can be multilibbed.
577 (STAGESTUFF): Remove s-crt and s-crtS.
579 2000-04-07 Richard Henderson <rth@cygnus.com>
581 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
582 if we discover we need a pseudo and no_new_pseudos is true.
583 * config/alpha/alpha.md (ne:DI insn): New.
584 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
586 2000-04-07 Richard Henderson <rth@cygnus.com>
588 * rtl.def (COND_EXEC): New.
589 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
590 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
592 * genconfig.c (have_cond_arith_flag): Remove.
593 (have_cond_exec_flag): New.
594 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
595 (main): Print HAVE_conditional_execution.
597 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
598 (sched_analyze_insn, print_pattern): Likewise.
599 * reload.c (find_equiv_reg): Likewise.
600 * rtlanal.c (reg_referenced_p): Likewise.
601 (note_stores, dead_or_set_regno_p): Likewise.
602 (reg_overlap_mentioned_p): Rewrite to use a switch.
604 * ggc.h (struct rtx_def): Forward declare.
606 * print-rtl.c (debug_rtx_range): New.
607 * rtl.h (debug_rtx_range): Declare.
609 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
611 * gcse.c (gcse_main): Don't rebuild the CFG here.
612 (delete_null_pointer_checks): Likewise.
613 * ssa.c (convert_to_ssa): Likewise.
614 * toplev.c (rest_of_compilation): Do it here instead. Combine
615 sequential calls to TIMEVAR. Consistently use `insns' instead of
616 `get_insns()'. Always split insns after reload when optimizing.
618 * basic-block.h (merge_blocks_nomove): Declare.
619 (tidy_fallthru_edge): Declare.
620 * flow.c (merge_blocks_nomove): Document as merging into previous
621 blocks. Remove cruft from between blocks; remove all edges out of A.
622 (tidy_fallthru_edge): Export.
624 2000-04-06 Alex Samuel <samuel@codesourcery.com>
626 * ssa.c (compute_conservative_reg_partition): Declare with
628 * toplev.c (clean_dump_file): Remove previously-deleted function
629 inadvertantly merged back in.
630 * conflict.c (conflict_graph_add): Use a single call to
631 htab_find_slot to look up and insert.
633 2000-04-06 Richard Henderson <rth@cygnus.com>
635 * genrecog.c (*): Rename _last_insn to last_insn.
636 (make_insn_sequence): Set the position of the peephole2 C test
637 to be at the last insn.
639 2000-04-06 Richard Henderson <rth@cygnus.com>
641 * flow.c (compute_flow_dominators): Free worklist.
643 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
645 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
647 2000-04-06 Alex Samuel <samuel@codesourcery.com>
649 * rtl.h (INSN_P): New macro.
650 (successor_phi_fn): New typedef.
651 (for_each_successor_phi): New prototype.
652 (in_ssa_form): New variable.
653 (PHI_NODE_P): Likewise.
654 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
655 phi nodes in successors.
656 (mark_used_regs): Add PHI case.
657 (set_phi_alternative_reg): New function.
658 (life_analysis): Assert that dead code elimination is not selected
660 * toplev.c (to_ssa_time): New variable.
661 (from_ssa_time): Likewise.
662 (compile_file): Zero to_ssa_time and from_ssa_time.
663 Print time to convert to and from SSA.
664 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
665 (print_time): Compute percent fraction as integer.
666 * ssa.c (PHI_NODE_P): Moved to rtl.h.
667 (convert_to_ssa): Check if we're already in SSA.
668 Don't eliminate dead code in life_analysis.
669 Rerun flow and life analysis at bottom.
670 (eliminate_phi): Use canonical regnos when adding nodes.
671 (mark_reg_in_phi): New function.
672 (mark_phi_and_copy_regs): Likewise.
673 (convert_from_ssa): Rerun life analysis at top.
674 Use coalesced partition.
675 Check for removing a phi node at the end of the block.
676 (compute_coalesced_reg_partition): New function.
677 (coalesce_regs_in_copies): Likewise.
678 (coalesce_reg_in_phi): Likewise.
679 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
680 (for_each_successor_phi): Likewise.
681 (rename_context): New struct.
682 (rename_block): Use a rename_context with rename_insn_1. When
683 renaming sets of a subreg, emit a copy of the entire reg first.
684 (rename_insn_1): Treat data as a rename_context *. Save current
686 (rename_set_data): Add field set_insn.
687 * Makefile.in (HASHTAB_H): Move up in file.
688 (OBSTACK_H): New macro.
689 (collect2.o): Use OBSTACK_H in dependencies.
690 (sdbout.o): Likewise.
691 (emit-rtl.o): Likewise.
692 (simplify-rtx.o): Likewise.
693 (fix-header.o): Likewise.
694 (OBJS): Add conflict.o.
695 (conflict.o): New rule.
696 * basic-block.h: Include partition.h.
697 (conflict_graph): New typedef.
698 (conflict_graph_enum_fn): Likewise.
699 (conflict_graph_new): New prototype.
700 (conflict_graph_delete): Likewise.
701 (conflict_graph_add): Likewise.
702 (conflict_graph_conflict_p): Likewise.
703 (conflict_graph_enum): Likewise.
704 (conflict_graph_merge_regs): Likewise.
705 (conflict_graph_print): Likewise.
706 (conflict_graph_compute): Likewise.
707 * conflict.c: New file.
709 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
711 * tlink.c (read_repo_files): Don't look for .rpo info for
714 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
716 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
718 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
720 * config/sh/lib1funcs.asm (___udivsi3_i4):
721 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
722 only depends on FMOVD_WORKS.
724 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
726 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
727 make double constant 8-byte aligned.
729 2000-04-06 Jakub Jelinek <jakub@redhat.com>
731 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
732 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
733 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
734 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
735 Accept storing GENERAL_REGS into offsetable memory.
736 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
737 building a TFmode constant other than 0.0L into GENERAL_REGS.
739 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
741 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
743 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
745 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
746 (macro_cleanup): No need to cast pbuf->macro.
747 (collect_expansion): Use _cpp_get_define_token. Goto done if
748 it returns VSPACE. Remove check for trailing space after
750 (_cpp_create_definition): Don't diddle flags here. Return
752 (unsafe_chars): Handle c1 being EOF.
753 (push_macro_expansion): Use unsafe_chars for both accidental-paste
754 checks. Don't push the buffer till after we're done with
756 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
757 (PEEKN, FORWARD, GETC, PEEKC): Use them.
758 (cpp_push_buffer): Don't set new->alimit. Set new->mark
760 (_cpp_parse_assertion): Don't NUL terminate.
761 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
762 hspace before calling _cpp_parse_assertion. Remove all sets
763 of only_seen_white. Treat '\f' as hspace. Don't do anything
764 special with '\n' here.
765 (maybe_macroexpand): Handle T_EMPTY hash entries without
766 pushing a buffer at all.
767 (cpp_get_token): Handle clearing only_seen_white here. Handle
768 incrementing the line number here. Clear
769 potential_control_macro as well as only_seen_white, if
771 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
772 (_cpp_get_define_token): New function, basically like
773 _cpp_get_directive_token was but doesn't eat horizontal space.
774 Don't do anything with only_seen_white here.
775 (_cpp_get_directive_token): Just call _cpp_get_define_token
776 repeatedly till it returns non-hspace.
778 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
779 (conditional_skip, skip_if_group): Return int.
780 (DIRECTIVE_TABLE): Change origin of all conditional directives
782 (TRAD_DIRECT_P): New macro.
783 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
784 an error for a bogus directive, unless -lang-asm. Use
785 TRAD_DIRECT_P. Loop calling handler functions till one returns
787 (get_macro_name): Don't diddle flags here.
788 (do_define): Diddle flags here. Use _cpp_get_directive_token.
789 Create T_EMPTY nodes for #define macro /* nothing */.
790 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
791 Use hp->name when calling pass_thru_directive.
792 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
793 Return the result of conditional_skip and/or skip_if_group.
794 Don't call _cpp_output_line_command.
795 (consider_directive_while_skipping): Use _cpp_get_directive_token.
796 Issue -Wtraditional warnings as appropriate. Don't complain
797 about unrecognized directives. If we are to stop skipping,
798 return the number of the directive that ended the skip.
799 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
800 expansion and line commands while skipping. Return the result
801 of consider_directive_while_skipping, if nonzero.
802 (do_endif): Just set potential_control_macro here.
803 (validate_else): Use _cpp_get_directive_token.
804 (do_assert, do_unassert): Don't save pointers into the
805 token_buffer across calls to the lexer. Use
806 _cpp_get_directive_token.
808 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
809 pointer, not an offset. Replace 'data', which was a generic
810 pointer, with 'macro', which points to a struct hashnode.
811 (cpp_reader): Add 'potential_control_macro' pointer.
812 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
813 (CPP_BUF_GET, CPP_FORWARD): Delete.
814 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
815 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
816 ACTIVE_MARK_P): Update.
817 (_cpp_get_define_token): New internal function.
818 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
820 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
822 * configure.in: And here.
823 * configure: Regenerate.
824 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
825 --enable-libstdcxx-v3 is passed at configure time.
826 * config.h.in: Regenerate.
828 2000-04-05 Mark Mitchell <mark@codesourcery.com>
830 * final.c (final): Use xcalloc to allocate line_note_exists.
831 * function.c (free_after_compilation): Free the temp_slots.
832 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
833 (combine_temp_slot): Free temp_slots when they get combined.
834 (purge_addressof): Fix typo in comment.
835 * stmt.c (mark_goto_fixup): Mark the fixup itself.
836 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
838 * ggc.h: Include varray.h.
839 (ggc_pending_trees): Declare.
840 (ggc_mark_tree_children): Remove declaration.
841 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
842 * ggc-common.c (ggc_pending_trees): New variable.
843 (ggc_mark_roots): Call ggc_mark_trees.
844 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
845 the ggc_pending_trees.
846 * Makefile.in (GGC_H): New variable. Use it throughout in place
849 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
851 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
854 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
856 * sh.c (sh_insn_length_adjustment): New function.
857 * sh-protos.h (sh_insn_length_adjustment): Declare.
858 * sh.h (ADJUST_INSN_LENGTH): Use it.
860 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
862 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
863 from the insn where REG_RETVAL is added.
864 (emit_no_conflict_block): Ditto.
866 * md.texi (Standard Names): Clarify when movX is needed.
868 * combine.c (simplify_comparison) [MINUS]: Do not replace
869 all (op (minus A B) 0) with (op A B).
871 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
872 J"orn Rennecke <amylaar@cygnus.co.uk>
874 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
875 (block_lump_real): Likewise.
877 2000-04-05 Chris Demetriou <cgd@netbsd.org>
879 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
880 remaining non-zero debugging masks.
882 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
884 * basic-block.h (verify_flow_info): Declare.
885 (flow_loop_outside_edge_p): Declare.
886 * flow.c (verify_flow_info): Remove declaration.
887 (clear_log_links, flow_loop_outside_edge_p): Likewise.
889 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
891 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
894 2000-04-05 Jakub Jelinek <jakub@redhat.com>
896 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
897 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
898 seqdi_zero_trunc+1): Allow splits only if registers are
901 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
903 * acconfig.h: Add HAVE_GAS_HIDDEN.
904 * config.in: Regenerated.
905 * configure.in: Add test for .hidden pseudo-op in gas.
906 * configure: Regenerated.
907 * crtstuff.c: Include auto-host.h.
908 Emit additional .hidden pseudo-op for __dso_handle if the
909 assembler knows about it.
911 2000-04-04 Philippe De Muyter <phdm@macqel.be>
913 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
914 before freeing argnames.
915 * cpplib.c (do_ifndef): Cast return value of xstrdup.
917 2000-04-05 Michael Meissner <meissner@redhat.com>
919 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
920 Walton <jonboy@gordian.com> to make memory references with update
921 work wtih -mregnames.
923 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
925 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
926 (regrename_optimize): Rename variables `def_uses' and
927 `ext_basic_blocks' to avoid conflicts with similarly named
928 typedefs in traditional C.
930 * calls.c (initialize_argument_information): Fix typo in previous
933 2000-04-04 Richard Henderson <rth@cygnus.com>
935 * regrename.c (consider_available): Test fixed_regs not
936 PIC_OFFSET_TABLE_REGNUM.
938 2000-04-04 Geoff Keating <geoffk@cygnus.com>
940 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
942 (CRTSTUFF_T_CFLAGS_S): Delete definition.
943 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
944 (ENDFILE_LINUX_SPEC): Always use crtend.
945 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
946 (powerpc-*-linux-gnu): Likewise.
947 * configure: Regenerate.
949 * config/rs6000/eabi.h: Don't include sysv4.h.
950 (MULTILIB_DEFAULTS): Don't define.
951 * config/rs6000/eabiaix.h: Don't include eabi.h.
952 * config/rs6000/eabile.h: Delete.
953 * config/rs6000/eabilesim.h: Delete.
954 * config/rs6000/eabisim.h: Don't include eabi.h.
955 * config/rs6000/linux.h: Don't include sysv4.h.
956 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
957 (MULTILIB_DEFAULTS): Don't redefine.
958 * config/rs6000/rtems.h: Don't include eabi.h.
959 * config/rs6000/sol2.h: Don't include sysv4le.h.
960 * config/rs6000/sysv4le.h: Don't include sysv4.h.
961 * config/rs6000/t-ppc: Delete.
962 * config/rs6000/t-ppcgas: Correct comment.
963 * config/rs6000/t-ppcos: Correct comment. Don't build
964 multilibs for -fPIC, rather use -fPIC -mstrict-align
966 * config/rs6000/t-ppc: Delete.
967 * config/rs6000/vxppc.h: Don't include sysv4.h.
968 * config/rs6000/vxppcle.h: Delete.
969 * configure.in: Use multiple header files for p2pc ELF targets
970 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
971 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
972 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
973 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
974 always available for these platforms.
976 2000-04-04 Richard Henderson <rth@cygnus.com>
978 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
980 2000-04-04 Stan Cox <scox@cygnus.com>
982 * Makefile.in: Add rules for regrename.o
983 * regrename.c: New file.
984 * rtl.h (regrename_optimize): Add prototype.
985 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
986 (compile_file, decode_d_option): Add support for -frename-registers.
987 (rest_of_compilation): Call regrename_optimize.
988 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
991 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
993 * Makefile (gccbug): New target.
995 * gcc.texi (Bugs): Link subnodes.
997 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
998 Document severities, priorities, and classes in bug form.
1000 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
1002 * cpplex.c (trigraph_map, speccase): Combine into single
1004 (NORMAL, NONTRI): New macros.
1005 (_cpp_read_and_prescan): Change to use unified table. Use
1006 is_hspace to test for whitespace.
1008 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
1009 definition that doesn't provoke the "empty body in an
1010 if-statement" warning.
1012 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
1014 * builtins.c (expand_builtin_strlen): Force the source to
1015 be a memory address.
1017 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1019 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
1021 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1023 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
1024 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
1025 (ECF_IS_CONST): Rename to ECF_CONST.
1026 (special_function_p): Make static, change interface.
1027 (flags_from_decl_or_type, try_to_integrate): Break out from ...
1028 (expand_call) ... here; convert number of variables to flags.
1029 (emit_library_call_vlue_1): Likewise.
1030 (setjmp_call_p): New function.
1031 (initialize_argument_information): Accepts flags as argument;
1033 (precompute_arguments): Likewise.
1034 * tree.h (special_function_p): Remove.
1035 (setjmp_call_p): Add prototype.
1037 2000-04-04 Jakub Jelinek <jakub@redhat.com>
1039 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
1040 so that addresses are offsetable by up to 16 bytes.
1041 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
1042 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
1045 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
1046 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
1047 (movsf): Don't force any constant to memory if target is integer
1049 Move fp_zero_operand check below the const0_rtx check.
1050 (movtf): Likewise. Also allow fp_zero_operand for stores into
1052 (movdf): Likewise. Also allow fp_zero_operand for stores into
1053 memory and into integer hard registers.
1054 (clear_df, clear_dfp, movdf_const_intreg_sp32,
1055 movdf_const_intreg_sp64): Remove.
1056 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
1058 (movdf_no_e_insn_v9_sp32): New pattern.
1059 (movdf_insn_v9only): Remove.
1060 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
1061 (movdf_insn_sp64): Remove.
1062 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
1063 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
1064 (following splits): Rewrite conditions. Add two new splits
1065 for storing 0.0 into memory and registers.
1066 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
1067 (movtf_insn_sp32): Redo constraints and conditions.
1068 (movtf_insn_vis_sp32): New pattern.
1069 (movtf_no_e_insn_sp32): Redo constraints and conditions.
1070 (movtf_insn_hq_sp64): Likewise.
1071 (movtf_insn_hq_vis_sp64): New pattern.
1072 (movtf_insn_sp64): Redo constraints and conditions.
1073 (movtf_insn_vis_sp64): New pattern.
1074 (movtf_no_e_insn_sp64): Redo constraints and conditions.
1075 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
1077 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
1078 -mvis or -m64 to take down the number of various reload patterns.
1080 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
1082 * pa/pa-64.h: New file.
1083 * pa/pa64-regs.h: New file.
1084 * pa/pa64-start.h: New file.
1085 * pa/t-pa64: New file.
1086 * pa/xm-pa64hpux.h: New file.
1088 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1090 * sparc.c (output_restore_regs): Prototype.
1091 (sparc_emit_float_lib_cmp): Constification.
1093 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
1095 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
1098 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
1099 (get_value_hash, hash_rtx): Likewise.
1101 * ssa.c (compute_conservative_reg_partition): Prototype.
1103 * tree.c (mark_hash_entry): Prototype.
1105 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
1107 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
1108 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
1109 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
1111 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
1112 * objc/lang-specs.h: Likewise.
1114 2000-04-03 Neil Booth <NeilB@earthling.net>
1116 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
1117 and SYNTAX_ERROR2. Replace `' in messages with ''.
1118 (op_to_str): Make re-entrant.
1119 (_cpp_parse_expr): Implement new error macros. Use | rather
1120 than || to logically or 2 boolean integers. Simply expression
1121 checking we have a left operand iff needed.
1123 2000-04-03 Nick Clifton <nickc@cygnus.com>
1125 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
1127 2000-04-03 Philip Blundell <philb@gnu.org>
1129 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
1131 2000-04-03 Felix Lee <flee@cygnus.com>
1133 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
1134 (run_shell): Use it.
1136 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
1138 * Makefile.in (stmp-int-hdrs): Make include subdir here...
1139 (stmp-fixproto): ...rather than here.
1141 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
1143 * pa.c (print_operand): Compute 'base' only inside the code paths
1146 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
1148 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
1151 2000-04-03 Philipp Thomas <pthomas@suse.de>
1153 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
1155 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
1157 * Makefile.in (alias.o): Depend on $(TREE_H).
1159 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
1161 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
1163 * cpplib.c (_cpp_handle_directive): Improve warnings for
1164 traditional C and indented directives.
1166 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
1167 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
1168 fixinc/inclhack.def: Indent the # of #include_next one space.
1169 * cp/rtti.c: Un-indent #if and #endif.
1171 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
1172 syntax error, but an error has already been printed.
1173 * cpplex.c (_cpp_parse_assertion): Give a more specific error
1174 message when called with nothing remaining on the line.
1175 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
1176 OTHER token, not an ASSERTION.
1177 * cpplib.c (do_assert): When we create a 'base' node, clear
1178 its aschain pointer.
1180 2000-04-02 Neil Booth <NeilB@earthling.net>
1182 * cppexp.c: New typedef op_t. struct operation and struct
1183 token updated to use it.
1184 (op_to_str): New function.
1185 (_cpp_parse_expr): Error messages modified to use op_to_str.
1187 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1189 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
1190 before checking MUST_PASS_IN_STACK.
1192 2000-04-02 Neil Booth <NeilB@earthling.net>
1194 * cppexp.c: New FINISHED dummy token. Combine operator initial
1195 flags and initial priority into a single constant. New
1196 EQUALITY macro. New operator flag SHORT_CIRCUIT.
1197 (_parse_cpp_expr): Implement new constants. Take left operand
1198 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
1199 parse indicated by reducing FINISHED token. Remove new lines
1200 from cpp_error messages.
1202 2000-04-01 Mark Mitchell <mark@codesourcery.com>
1204 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
1207 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
1209 * cpplib.c: Include symcat.h. Add 'origin' field to struct
1210 directive. Add origin values to DIRECTIVE_TABLE. Generate
1211 the strings and function names on the fly. Take the #sccs
1212 entry out of the table if SCCS_DIRECTIVE is not defined.
1213 (_cpp_handle_directive): Decide if the # was at the beginning
1214 of the line here. Issue -pedantic warnings for extended
1215 directives here. Warn about K+R directives with the #
1216 indented, and C89/extended directives with the # not indented,
1218 (do_import, do_include_next, do_warning, do_ident, do_sccs,
1219 do_assert, do_unassert): Don't issue pedantic warning here.
1221 * cpphash.h: Add CPP_WTRADITIONAL macro.
1222 * cpplib.h (struct cpp_options): Rename warn_stringify to
1223 warn_traditional; update comments.
1224 * cppinit.c (handle_option): Set warn_traditional not
1226 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
1227 CPP_WTRADITIONAL (pfile).
1228 * cpplex.c (_cpp_lex_token): Don't decide if directives should
1229 be ignored in -traditional mode here.
1231 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
1232 to initialize speccase[] and trigraph_map[]. Delete all
1233 references to pfile->input_speccase. Always treat '?' as a
1234 special character. Remove table-initialization code from
1235 _cpp_init_input_buffer.
1237 * cpplib.h (struct cpp_reader): Remove input_speccase field.
1238 * cppinit.c (cpp_cleanup): Don't free input_speccase.
1240 2000-04-01 Richard Henderson <rth@cygnus.com>
1242 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
1243 (mostlyclean): Likewise.
1245 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
1246 (struct dump_file_info, enum dump_file_index, dump_file): New.
1247 (open_dump_file): Take a dump_file_index not a suffix, and a decl
1248 not a string. Clean out file if we havn't yet done so. Do nothing
1249 if the dump isn't enabled.
1250 (close_dump_file): Do nothing if the dump isn't open. Dump
1251 graph data if requested.
1252 (dump_rtl, clean_dump_file): Remove.
1253 (compile_file): Don't clean the dump files. Only finalize .bp dump
1254 if flag_test_coverage or flag_branch_probabilities. Only finalize
1255 .combine dump if optimizing. Iterate over dump_file to finalize the
1257 (rest_of_compilation): Update for open_dump_file/close_dump_file.
1258 Convert all uses of dump_rtl.
1259 (decode_d_option): Iterate over dump_file to implement 'a' and to
1260 locate pass-specific dumps.
1262 2000-04-01 Neil Booth <NeilB@earthling.net>
1264 * cppexp.c: Redefine priority constants.
1265 (_cpp_parse_expr): Replace left and right priority scheme with
1266 single priority logic. Move LOGICAL to same place as COMPARE.
1267 Remove bogus check for multiple unary +/- operators.
1269 2000-04-01 Neil Booth <NeilB@earthling.net>
1271 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
1272 within the switch statement. Binary operations break out of
1273 the switch naturally. '(' tokens handled by forcing
1274 immediate shift. ')' handled by forcing immediate reduce to
1275 the previous '('. New error messages.
1277 2000-03-31 Geoff Keating <geoffk@cygnus.com>
1279 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
1280 part', it's already in use. Use %K instead. Add a return at the
1281 end of what is now %K.
1282 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
1284 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1286 * builtins.c (expand_builtin_apply): Pass proper parameters to
1287 allocate_dynamic_stack_space.
1288 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
1289 update stack_pointer_delta; do not update arg_size_so_far.
1290 (compute_argument_block_size): Use stack_delta instead of
1291 stack_pointer_pending and arg_size_so_far.
1292 (expand_call): Add sanity checking for stack_pointer_delta;
1293 save and restore stack_pointer_delta for SIB, use
1294 stack_pointer_delta for alignment; do not update arg_space_so_far.
1295 (emit_library_call_value): Use stack_pointer_delta for alignment.
1296 (store_one_arg): Do not update arg_space_so_far.
1297 * explow.c (adjust_stack, anti_adjust_stack): Update
1298 stack_pointer_delta.
1299 (allocate_dynamic_stack_space): Add sanity checking for
1300 stack_pointer_delta.
1301 * expr.c (init_expr, clear_pending_stack_adjust): Clear
1302 stack_pointer_delta.
1303 (emit_push_insn): Update stack_pointer_delta.
1304 * function.h (struct expr_status): Add x_stack_pointer_delta;
1305 remove x_arg_space_so_far.
1306 (arg_space_so_far): Remove.
1307 (stack_pointer_delta): New macro.
1309 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
1311 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
1312 Reorder struct cpp_options and struct cpp_reader for better
1313 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
1314 takes two args. Change all 'char' flags to 'unsigned char'.
1315 Move show_column flag into struct cpp_options. Don't
1316 prototype cpp_options_init.
1317 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
1318 cppinit.c, cpplex.c, cpplib.c:
1319 Replace CPP_OPTIONS (pfile)->whatever with
1320 CPP_OPTION (pfile, whatever), and likewise for
1321 opts = CPP_OPTIONS (pfile); ... opts->whatever;
1323 * cppinit.c (merge_include_chains): Take a cpp_reader *.
1324 Extract CPP_OPTION (pfile, pending) and work with that
1326 (cpp_options_init): Delete.
1327 (cpp_reader_init): Turn on on-by-default options here.
1328 Allocate the pending structure here.
1329 (cl_options, enum opt_code): Define these from the same table,
1330 kept in a large macro. Add -fshow-column and -fno-show-column
1333 * cpperror.c (v_message): If show_column is off, don't print
1336 * cppmain.c: Update for new interface.
1337 * fix-header.c: Likewise.
1339 2000-03-30 Geoff Keating <geoffk@cygnus.com>
1341 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
1343 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
1344 are passed to any invocation of AR_FOR_TARGET.
1345 (AR_CREATE_FOR_TARGET): New macro.
1346 (AR_EXTRACT_FOR_TARGET): New macro.
1347 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
1348 AR_EXTRACT_FOR_TARGET.
1349 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
1350 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
1351 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
1352 AR_EXTRACT_FOR_TARGET to sub-makes.
1354 2000-03-31 Neil Booth <NeilB@earthling.net>
1356 * cppexp.c: Delete SKIP_OPERAND. Correct priority
1358 (_cpp_parse_expr): Check for multiple unary +/- operators.
1359 Correct priorities of ':' and '?'. Treat ')' as having a
1360 value. Ensure conditional expression is not void.
1362 2000-03-31 Mark Mitchell <mark@codesourcery.com>
1364 * alias.c (canon_rtx): Make it global.
1365 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
1367 * cse.c (struct table_elt): Add canon_exp.
1369 (invalidate): Canonicalize expressions only once.
1370 * rtl.h (canon_rtx): Declare.
1372 2000-03-30 Mark Mitchell <mark@codesourcery.com>
1374 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
1375 * alias.c (reg_known_value): Add comments.
1376 (init_alias_analysis): Likewise.
1377 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
1379 (cse_basic_block): Fix typo in comment.
1380 * emit-rtl.c: Include hashtab.h.
1381 (const_int_htab): New variable.
1382 (const_int_htab_hash): New function.
1383 (const_int_htab_eq): Likewise.
1384 (rtx_htab_mark_1): Likewise.
1385 (rtx_htab_mark): Likewise.
1386 (gen_rtx_CONST_INT): Cache all CONST_INTs.
1387 (unshare_all_rtx): Fix formatting.
1388 (init_emit_once): Initialize const_int_htab.
1389 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
1391 * rtl.texi: Document the fact that all CONST_INTs with the same
1394 2000-03-30 Richard Henderson <rth@cygnus.com>
1396 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
1398 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
1400 * configure.in: Comment out --enable-c-cpplib stanza.
1401 * configure: Regenerate.
1403 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1405 * expr.c (store_constructor): Properly compute displacement and
1406 alignment when offset is variable.
1408 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
1409 cases of alignment in bytes.
1411 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
1413 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
1414 since it is used to generate c-parse.y.
1415 * objc-parse.c, objc-parse.y: Regenerated.
1417 * function.c (expand_function_end): Pass alignment argument to
1418 emit_block_move in bits, not bytes.
1420 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1422 * expr.c (move_by_pieces_ninsns): Fix one more missing align
1425 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
1427 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
1428 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
1429 * function.c (assign_parms): Likewise.
1430 * integrate.c (expand_inline_function): Likewise.
1431 * stmt.c (expand_decl): Likewise.
1432 (copy_rtx_and_substitute): Likewise.
1433 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
1434 (clear_by_pieces): Fix error in last change.
1435 * emit-rtl.c (init_emit): Set known registers alignment in bits.
1436 * function.h (regno_pointer_align): Now unsigned.
1437 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
1439 * config/i386/i386.c (aligned_operand): Likewise.
1440 * config/sparc/sparc.c (mem_min_alignment): Likewise.
1441 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
1442 (unaligned_memory_operand): Likewise.
1443 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
1444 Also make alignments and sizes unsigned and some whitespace cleanup.
1445 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
1447 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
1448 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
1449 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
1450 (expand_builtin_memset): Likewise, but to clear_storage.
1451 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
1452 (restore_fixed_argument_area): Likewise.
1453 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
1454 (load_register_parameters): Likewise, to emit_group_load.
1455 (expand_call): Likewise, to emit_group_store and emit_block_move.
1456 (emit_library_call_value_1): Likewise, to emit_block_move.
1457 (store_one_arg): Likewise, and to emit_push_insn.
1458 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
1459 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
1460 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
1461 (emit_block_move, emit_group_load, emit_group_store): Likewise.
1462 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
1463 (expand_assigment, store_expr, store_constructor_field): Likewise.
1464 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
1465 (store_constructor, store_field, get_inner_reference): Likewise.
1466 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
1467 (expand_expr, case COMPONENT_REF): Likewise.
1468 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
1469 and positions; reindent code.
1470 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
1471 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
1472 (assign_parms): Likewise to emit_group_store.
1473 * optabs.c (prepare_cmp_insn): Alignment is in bits.
1474 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
1475 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
1476 (expand_return): Likewise to {extract,store}_bit_field.
1477 * stor-layout.c (get_mode_alignment): Minor cleanup.
1478 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
1479 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
1481 2000-03-29 Nick Clifton <nickc@cygnus.com>
1483 * config/arm/arm.h: Undo effects of previous delta:
1484 (ASM_SPEC): Do not define.
1485 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
1487 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
1490 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1492 * cppinit.c (cpp_start_read): Call initialize_dependency_output
1493 only after reading in the primary source file.
1495 2000-03-29 Geoff Keating <geoffk@cygnus.com>
1497 * c-common.c (c_common_nodes_and_builtins): The first parameter to
1498 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
1499 or a reference to a va_list.
1500 * builtins.c (stabilize_va_list): Simplify now we don't have to
1501 work around C array address decay.
1502 * c-typeck.c (convert_for_assignment): Handle assignment to
1503 a reference parameter by taking the address of the RHS.
1504 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
1505 (va_copy): Likewise.
1506 (__va_copy): Likewise.
1507 * ginclude/varargs.h (va_start): Likewise.
1508 (__va_copy): Likewise.
1510 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
1512 * i386/djgpp.h: Remove extraneous "+".
1514 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
1516 * calls.c (expand_call): Fix typo in last change.
1518 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
1520 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
1523 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1525 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
1526 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
1527 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
1528 * tree.c (bit_position, byte_position): Likewise.
1529 * tree.h: Declare new functions.
1531 2000-03-29 Nick Clifton <nickc@cygnus.com>
1533 * config/arm/arm.c: Minor formatting changes/
1534 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1536 (ASM_SPEC): Define if not already defined.
1538 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1540 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
1543 2000-03-29 Jakub Jelinek <jakub@redhat.com>
1545 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
1546 value, don't output it as unsigned.
1548 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
1550 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
1552 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1554 * c-common.c (c_common_nodes_and_builtins): Don't special case
1555 cplus_mode when declaring builtin bzero/bcmp, always avoid
1556 prototype arguments.
1558 2000-03-29 Bruce Korb <bkorb@gnu.org>
1560 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
1563 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
1565 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
1566 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
1567 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
1568 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
1569 (save_fixed_argument_area, restore_fixed_argument_area):
1570 conditionize by #ifdef REG_PARM_STACK_SPACE only.
1571 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
1572 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
1573 (precompute_register_parameters): Avoid #ifdefs on
1574 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
1575 (stire_one_args): Likewise.
1576 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
1577 (emit_library_call_value_1): Likewise.
1578 (compute_argument_block_size): Align to STACK_BOUNDARY only for
1579 ACCUMULATE_OUTGOING_ARGS.
1580 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
1582 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
1583 (use_crosses_set_p): Likewise.
1584 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
1585 #define ACCUMULATE_OUTGOING_ARGS 1.
1586 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
1588 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
1590 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
1591 (TARGET_SWITCHES): Add push-args, no-push-args,
1592 accumulate-outgoing-args and no-accumulate-outgoing-args.
1593 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
1594 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
1595 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
1597 (emit_push_insn): Likewise.
1598 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1599 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
1600 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1601 (STACK_DYNAMIC_OFFSET): Define correctly for both
1602 ACCUMULATE_OUTGOING_ARGS and normal mode.
1603 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
1604 * tm.texi (PUSH_ARGS): Document.
1605 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
1607 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
1609 * flags.h (flag_optimize_sibling_calls): Declare.
1610 * calls.c (expand_call): Fail sibcall when
1611 !flag_optimize_sibling_calls
1612 * invoke.texi (flag_optimize_sibling_calls): Document.
1613 * toplev.c (flag_optimize_sibling_calls): New global variable.
1614 (f_options): Add flag_optimize_sibling_calls.
1615 (rest_of_compilation): Conditionize
1616 optimize_sibling_and_tail_recursive_calls by
1617 flag_optimize_sibling_calls.
1618 (main): Set flag_optimize_sibling_calls for -O2.
1619 * stmt.c (expand_return): Conditionize tail recursion by
1620 flag_optimize_sibling_calls.
1622 2000-03-29 Richard Henderson <rth@cygnus.com>
1624 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
1625 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
1627 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
1629 * except.c (add_eh_table_entry): Mark type_info's as referenced.
1631 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1633 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
1635 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
1636 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
1637 * config/rs6000/aix.h: then modified likewise.
1639 2000-03-28 Richard Henderson <rth@cygnus.com>
1641 * rtl.h: Redistribute enum reg_note documentation.
1642 Kill trailing whitespace.
1643 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
1644 Kill trailing whitespace.
1646 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
1648 * cppfiles.c (hash_IHASH): Just return i->hash.
1649 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
1650 htab_find_with_hash.
1651 (cpp_read_file): Likewise.
1652 (find_include_file): Likewise. Properly initialize
1653 ih->nshort. Share ih->name and ih->nshort if possible.
1654 * cpphash.c (_cpp_calc_hash): New function.
1655 (hash_HASHNODE): Just return h->hash.
1656 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
1657 htab_find_with_hash.
1658 * cpphash.h: Prototype _cpp_calc_hash.
1659 * cppinit.c (initialize_builtins): Provide a valid hash
1660 to _cpp_make_hashnode, using _cpp_calc_hash.
1662 * cpphash.c (collect_expansion): # is not a special character
1663 in object-like macros. In -traditional mode, /**/ is not
1664 token paste at the beginning or end of the line.
1665 * cpplib.c (do_include, do_import, do_include_next): If
1666 parse_include fails, return immediately.
1668 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
1670 * config/arm/arm.md (return peepholes): Update to reflect the new
1672 * config/arm/arm.c (arm_volatile_func): Also check
1673 current_function_nothrow.
1674 (output_return_instruction, output_func_prologue): Use it.
1675 (arm_output_epilogue, arm_expand_prologue): Likewise.
1677 2000-03-27 Tom Tromey <tromey@cygnus.com>
1679 * gcc.c (handle_braces): In {x*...} case, break out of loop if
1682 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1684 * expr.c (store_constructor): SIZE now signed.
1685 For EXPR_SIZE, don't evaluate size; just needed if constant.
1686 * fold-const.c (fold): Fix a number of cases when folded tree is
1688 * function.c (flush_addressof): Reenable.
1689 * tree.h (flush_addressof): Likewise.
1690 * toplev.c (independent_decode_option): Look at strings_processed.
1691 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
1693 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
1695 * sibcall.c (indentify_call_return_value): Find last call in the chain;
1696 Allow stack adjustment after function call.
1698 * regmove.c (struct csa_memlist): Make mem field rtx *.
1699 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
1700 (try_apply_stack_adjustment): Replace whole MEM rtx.
1701 (combine_stack_adjustments_for_block): Update calls
1702 to record_one_stack_ref.
1704 2000-03-28 Neil Booth <NeilB@earthling.net>
1706 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
1707 '\\' rather than a null character, so nulls are not special. Fix
1708 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
1709 speed trigraph conversion.
1710 (_cpp_init_input_buffer): Initialize trigraph map.
1712 2000-03-27 Alan Modra <alan@linuxcare.com.au>
1714 * config/i386/i386.c (output_387_binary_op): Correct intel
1715 mode assembly output, and add spaces after commas in AT&T
1716 output. Correct Unixware assembler comment. Document input
1717 constraints. Comment fp operations. Reduce profligate buffer
1718 size. Remove extraneous abort. Localize temp var.
1719 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
1720 (output_fix_trunc): Add spaces after commas in assembly output.
1722 2000-03-27 Richard Henderson <rth@cygnus.com>
1724 * i386-protos.h (ix86_match_ccmode): Declare.
1725 * i386.c (ix86_match_ccmode): New.
1726 (ix86_expand_fp_compare): Update for pattern renames.
1727 (ix86_expand_strlensi_unroll_1): Likewise.
1728 * i386.h (EXTRA_CC_MODES): Add CCZ.
1729 (SELECT_CC_MODE): Use it for EQ/NE zero.
1730 * i386.md (cmpsi_ccz_1): New.
1732 (*testsi_ccz_1): New.
1733 (testqi_ccz_1): New.
1734 (cmpsi_ccno_1): Rename from cmpsi_0.
1735 (testsi_ccno_1): Rename from testsi_1.
1736 (testqi_ccno_1): Rename from testqi_1.
1737 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
1738 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
1739 (*cmphi_0): Use ix86_match_ccmode.
1740 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
1741 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
1742 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
1743 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
1744 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
1745 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
1746 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
1747 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
1748 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
1749 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
1750 (appropriate peepholes): Likewise.
1751 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
1752 (*subsi_3, *subhi_3, *subqi_3): Remove.
1753 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
1754 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
1755 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
1756 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
1757 (x86_shift_adj_1): Use CCZ.
1758 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
1760 2000-03-27 Stan Cox <scox@cygnus.com>
1762 * resource.h (mark_resource_type): New.
1763 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
1764 find_free_register): Use mark_resource_type.
1765 (mark_set_resources): Change include_delayed_effects
1766 to mark_resource_type.
1767 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
1768 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
1769 Use mark_resource_type.
1771 2000-03-27 Richard Henderson <rth@cygnus.com>
1773 * i386.md (call_pop_0, call_value_pop_0): New.
1774 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
1775 (call_value_pop_1): Likewise.
1776 (call_0, call_value_0): New.
1777 (call_1, call_value_1): Remove constraint from unused arg.
1779 2000-03-27 Nick Clifton <nickc@cygnus.com>
1781 * invoke.texi (Spec Files): Document new spec % command created by
1782 Tom Tromey's recent patch.
1784 2000-03-27 Jakub Jelinek <jakub@redhat.com>
1786 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
1789 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1791 * expr.c (expand_assignment): Fix typo in last change.
1793 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
1795 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1797 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
1798 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
1799 and DECL_INLINE if FUNCTION_DECL.
1800 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
1801 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
1802 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
1803 (combine_parm_decls): Likewise.
1804 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
1805 * print-tree.c (print_node): Likewise.
1806 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
1807 DECL_TRANSPARENT_UNION on proper decl types.
1808 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
1809 * stor-layout.c (layout_decl): Only check DECL_PACKED and
1810 DECL_BIT_FIELD of FIELD_DECL.
1811 * tree.h (DECL_RESULT_FLD): New macro.
1813 * expr.c (expand_assignment): Add code to handle variable-sized
1816 2000-03-26 Richard Henderson <rth@cygnus.com>
1818 * calls.c (expand_call): Pass parms not original exp to
1819 optimize_tail_recursion. Mind return value instead of looking
1821 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
1822 call_expr. Move checks for call_expr and current_function_decl ...
1823 (expand_return): ... here.
1825 2000-03-26 Tom Tromey <tromey@cygnus.com>
1827 * gcc.c (handle_braces): Recognize `%{<S}' construct.
1828 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
1830 (process_command): Use them.
1831 (check_live_switch): Likewise.
1832 (give_switch): Skip ignored switches.
1834 2000-03-26 Jan Hubicka <jh@suse.cz>
1836 * jump.c (jump_optimize_1): Fix typo in elide optimizations
1837 for minimal jump pass test.
1839 2000-03-26 Mark Mitchell <mark@codesourcery.com>
1841 * integrate.c (function_cannot_inline_p): Do inline functions that
1844 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1846 * stor-layout.c (layout_type, set_sizetype): early_type_list is
1847 now a list of TREE_LIST entries, not types.
1848 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
1850 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
1851 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
1853 * config/mips/mips.c (function_arg): Likewise; also remove cast
1854 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
1855 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
1856 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
1857 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
1858 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
1859 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
1860 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
1861 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
1862 num_adjusts now unsigned.
1863 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
1864 * config/sparc/sparc.c (struct function_arg_record_value_parms):
1866 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
1867 as is BITPOS variable; use host_integerp and int_bit_position.
1868 (function_arg_record_value_2): Likewise.
1869 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
1870 Variable REGNO now unsigned.
1871 (function_arg_record_value): NREGS now unsigned.
1873 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
1875 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
1877 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1879 * Rework fields used to describe positions of bitfields and
1880 modify sizes to be unsigned and use HOST_WIDE_INT.
1881 * alias.c (reg_known_value_size): Now unsigned.
1882 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
1883 (really_start_incremental_init): Use bitsize_zero_node.
1884 (push_init_level, pop_init_level, output_init_element): Likewise.
1885 Use bitsize_unit_node and bitsize_one_node.
1886 (output_pending_init_elements, process_init_element): Likewise.
1887 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
1888 (make_extraction): Position and length HOST_WIDE_INT and unsigned
1889 HOST_WIDE_INT, respectively.
1890 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
1891 (num_sign_bit_copies): Returns unsigned.
1892 BITWIDTH now unsigned; rework arithmetic.
1893 Remove recursive call from arg to MAX.
1894 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
1895 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
1897 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
1898 (find_split_point, expand_compound_operation, make_extraction): LEN
1899 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
1900 (make_field_assignment): Likewise.
1901 (combine_simplify_rtx): Add cast.
1902 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
1903 (force_to_mode): WIDTH now unsigned; add cast.
1904 (if_then_else_cond): SIZE now unsigned.
1905 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
1906 (extended_count): Now returns unsigned.
1907 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
1908 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
1909 (simplify_comparison): MODE_WIDTH now unsigned.
1910 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
1911 (mark_used_regs_combine): Likewise; rework arithmetic.
1912 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
1913 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
1914 (record_promoted_value): REGNO now unsigned.
1915 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
1916 (get_last_value): REGNO now unsigned.
1917 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
1918 (reg_dead_regno, reg_dead_endregno): Now unsigned.
1919 (remove_death): Arg REGNO now unsigned.
1920 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
1921 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
1923 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
1924 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
1925 (struct cse_reg_info): REGNO now unsigned.
1926 (cached_regno): Now unsigned.
1927 (REGNO_QTY_VALID_P): Add cast.
1928 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
1929 (remove_invalid_regs): Likewise.
1930 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
1931 as are variables END and I.
1932 (get_cse_reg_info, insert): Likewise.
1933 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
1934 (canon_hash): Likewise.
1935 (insert_regs, lookup_for_remove): REGNO now unsigned.
1936 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
1938 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
1939 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
1940 * emit-rtl.c (subreg_realpart_p): Add cast.
1941 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
1942 (operand_subword_force): Arg I is now unsigned.
1943 * except.c (eh_regs): Variable I is now unsigned.
1944 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
1945 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
1946 length is unsigned HOST_WIDE_INT; likewise for internal variables.
1947 (store_split_bit_field, extract_fixed_bit_field): Likewise.
1948 (extract_split_bit_field, store_bit_field, extract_bit_field):
1950 * expr.c (store_constructor_fields, store_constructor, store_field):
1951 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
1952 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
1953 (do_jump): Likewise.
1954 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
1955 MAX_SIZE is now unsigned.
1956 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
1957 (emit_group_store): Likewise.
1958 (emit_move_insn): I now unsigned.
1959 (store_constructor): Use host_integerp, tree_low_cst, and
1961 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
1962 Rework all calculations to use trees and new fields.
1963 * expr.h (promoted_input_arg): Regno now unsigned.
1964 (store_bit_field, extract_bit_field): Adjust types of pos and size.
1965 (mark_seen_cases): Arg is HOST_WIDE_INT.
1966 * flow.c (verify_wide_reg_1): REGNO now unsigned.
1967 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
1968 precisions and alignments are unsigned.
1969 (optimize_bit_field_compare, fold_truthop): Likewise.
1970 (int_const_binop): Adjust threshold for size_int_type_wide call.
1971 (fold_convert): Likewise.
1972 (size_int_type_wide): Make table larger and fix thinko that only
1973 had half of table used.
1974 (all_ones_mask_p, fold): Precisions are unsigned.
1975 * function.c (put_reg_info_stack): REGNO is unsigned.
1976 (instantiate_decl): Size is HOST_WIDE_INT.
1977 (instantiate_virtual_regs): I is unsigned.
1978 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
1979 (promoted_input_arg): REGNO is unsigned.
1980 * function.h (struct function): x_max_parm_reg is now unsigned.
1981 * gcse.c (max_gcse_regno): Now unsigned.
1982 (struct null_pointer_info): min_reg and max_reg now unsigned.
1983 (lookup_set, next_set): REGNO arg now unsigned.
1984 (compute_hash_table): REGNO and I now unsigned.
1985 (handle_avail_expr): regnum_for_replacing now unsigned.
1986 (cprop_insn): REGNO now unsigned.
1987 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
1988 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
1989 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
1990 * hard-reg-set.h (reg_class_size): Now unsigned.
1991 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
1992 * jump.c (mark_modified_reg): I now unsigned; add cast.
1993 (rtx_equal_for_thread_p): Add cast.
1994 * loop.c (max_reg_before_loop): Now unsigned.
1995 (struct_movable): REGNO now unsigned.
1996 (try_copy_prop): REGNO arg unsigned.
1997 (regs_match_p): XN and YN now unsigned.
1998 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
1999 (strength_reduce): Likewise; NREGS also unsigned.
2000 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
2001 * loop.h (struct iv_class): REGNO now unsigned.
2002 (max_reg_before_loop, first_increment_giv, last_increment_giv):
2004 * machmode.h (mode_size, mode_unit_size): Now unsigned.
2005 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
2006 * optabs.c (expand_binop): I and NWORDS now unsigned.
2007 (expand_unop): I now unsigned.
2008 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
2009 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
2010 * real.c (significand_size): Now returns unsigned.
2011 * real.h (significand_size): Likewise.
2012 * regclass.c (reg_class_size): Now unsigned.
2013 (choose_hard_reg_mode): Both operands now unsigned.
2014 (record_reg_classes): REGNO and NR now unsigned.
2015 (reg_scan): NREGS now unsigned.
2016 (reg_scan_update): old_max_regno now unsigned.
2017 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
2018 * reload.c (find_valid_class): BEST_SIZE now unsigned.
2019 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
2020 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
2021 Likewise for variable R.
2022 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
2023 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
2024 (find_equiv_reg): Add casts.
2025 (regno_clobbered_p): Arg REGNO now unsigned.
2026 * reload.h (struct reload): NREGS now unsigned.
2027 (refers_to_regno_for_reload_p): Regno args are unsigned.
2028 (regno_clobbered_p): Likewise.
2029 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
2030 (compute_use_by_pseudos): REGNO now unsigned.
2031 (find_reg): I and J now unsigned, new variable K, and change loop
2032 variables accordingly; THIS_NREGS now unsigned.
2033 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
2034 (spill_hard_reg): REGNO arg now unsigned; add casts.
2035 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
2036 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
2037 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
2038 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
2039 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
2040 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
2041 (emit_reload_insns): REGNO now unsigned.
2042 (reload_cse_move2add): Add cast.
2043 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
2045 * resource.c (mark_referenced_resources, mark_set_resources): New
2046 variable R; REGNO and LAST_REGNO now unsigned.
2047 (mark_target_live_regs): J and REGNO now unsigned.
2048 * rtl.c (mode_size, mode_unit_size): Now unsigned.
2049 * rtl.h (union rtunion_def): New field rtuint.
2050 (XCUINT): New macro.
2051 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
2052 (operand_subword, operand_subword_force): Word number is unsigned.
2053 (choose_hard_reg_mode): Operands are unsigned.
2054 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
2055 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
2056 (regno_use_in, combine_instructions, remove_death): Likewise.
2057 (reg_scan, reg_scan_update): Likewise.
2058 (extended_count): Return is unsigned.
2059 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
2060 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
2061 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
2062 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
2063 (reg_reg_last_1): FIRS and LAST now unsigned.
2064 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
2065 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
2067 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
2068 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
2069 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
2070 (replace_regs): Arg NREGS now unsigned.
2071 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
2072 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
2073 (simplify_binary_operation): Likewise.
2074 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
2075 THIS_LAST now unsigned.
2076 (cselib_record_set): Add cast.
2077 * ssa.c (ssa_max_reg_num): Now unsigned.
2078 (rename_block): REGNO now unsigned.
2079 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
2081 (all_cases_count): Just return -1 not -2.
2082 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
2083 Rework tests to use trees whenever possible.
2084 Use host_integerp and tree_low_cst.
2085 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
2086 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
2087 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
2088 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
2089 (smallest_mode_for_size): Likewise.
2090 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
2091 KNOWN_ALIGN is now an alignment, so simplify code.
2092 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
2093 (start_record_layout): Renamed from new_record_layout_info.
2094 Update to new fields.
2095 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
2097 (place_union_field): Renamed from layout_union_field.
2098 Update to use new fields in rli.
2099 (place_field): Renamed from layout_field.
2100 Major rewrite to use new fields in rli; pass alignment to layout_decl.
2101 (finalize_record_size): Rework to use new fields in rli and handle
2103 (compute_record_mode): Rework to simplify and to use new DECL fields.
2104 (finalize_type_size): Make rounding more consistent.
2105 (finish_union_layout): Deleted.
2106 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
2107 (layout_type, case RECORD_TYPE): Call new function names.
2108 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
2109 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
2110 (get_best_mode): UNIT is now unsigned; remove casts.
2111 * tree.c (bit_position): Compute from new fields.
2112 (byte_position, int_byte_position): New functions.
2113 (print_type_hash_statistics): Cast to remove warning.
2114 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
2115 (build_index_type): Likewise; make subtype of sizetype.
2116 (build_index_2_type): Pass sizetype to build_range_type.
2117 (build_common_tree_nodes): Use size_int and bitsize_int to
2118 initialize nodes; add bitsize_{zero,one,unit}_node.
2119 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
2120 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
2121 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
2122 (DECL_FIELD_BITPOS): Deleted.
2123 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
2124 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
2125 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
2126 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
2127 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
2128 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
2129 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
2130 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
2131 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
2132 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
2133 (DECL_ALIGN): Adjust to new field in union.
2134 (DECL_OFFSET_ALIGN): New field.
2135 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
2136 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
2137 (union tree_decl): Add struct for both aligns.
2138 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
2139 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
2140 (struct record_layout_info): Rework fields to have offset
2141 alignment and byte and bit position.
2142 (start_record_layout, place_field): Renamed from old names.
2143 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
2144 (byte_position, int_byte_position): Likewise.
2145 (get_inner_reference): Change types of position and length.
2146 * unroll.c (unroll_loop): New variable R; use for some loops.
2147 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
2148 (calculate_giv_inc): Arg REGNO now unsigned.
2149 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
2150 * varasm.c (assemble_variable): Clean up handling of size using
2151 host_integerp and tree_low_cst.
2152 (decode_addr_const): Use byte, not bit, position.
2153 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
2154 use tree_low_cst and int_bit_position.
2155 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
2157 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
2159 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
2160 (reorder_block_def): New members eff_head and eff_end.
2161 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
2162 (verify_insn_chain): New function.
2163 (skip_insns_between_block): Add code to skip deleted insns.
2164 Check for note before using.
2165 (chain_reorder_blocks): Replace calls to skip_insns_between_block
2166 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
2167 Check for note before using.
2168 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
2169 (fixup_reorder_chain): Restructure, clean up, defect removal.
2170 (reorder_basic_blocks): Remove last_insn and references to it.
2171 Moved insn chain verification code into a new function (see above).
2172 Delete defective code that sets last insn.
2173 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
2176 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2178 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
2180 2000-03-24 Richard Henderson <rth@cygnus.com>
2182 * tree.c (lang_safe_for_unsave): Remove.
2183 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
2184 allowing for two levels of unsafeness. Remove lang hook.
2185 * tree.h: Update declarations.
2186 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
2187 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
2188 Always fail sibcalls when there are pending cleanups.
2190 2000-03-24 Geoff Keating <geoffk@cygnus.com>
2192 * flow.c (propagate_block): When we delete an ADDR_VEC,
2193 also delete the BARRIER following it if there is one.
2195 2000-03-24 Richard Henderson <rth@cygnus.com>
2197 * builtins.c (expand_builtin_bzero): Convert `length' argument
2200 2000-03-24 Jakub Jelinek <jakub@redhat.com>
2202 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
2203 comparison if regno's are equal.
2204 * calls.c (initialize_argument_informat): Add ecf_flags argument.
2205 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2206 (expand_call): Update caller.
2207 Avoid making a sibling call if argument size of the callee is larger
2208 than argument size of the caller.
2209 Call hard_function_value with outgoing set if in sibcall pass.
2210 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2212 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
2213 Change LEAF_REGISTERS from an array initializer to actual array
2214 identifier. Move static global variable into the function.
2215 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
2216 sequences for leaf functions.
2217 * global.c (global_alloc): Likewise.
2218 * tm.texi (LEAF_REGISTERS): Update documentation.
2220 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
2221 TARGET_FLAT leaf disabling hack.
2222 (LEAF_REGISTERS): Changed from an array initializer to actual array
2223 identifier to avoid duplication and remove the above hack.
2224 (FUNCTION_OK_FOR_SIBCALL): Define.
2225 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
2226 always like call attribute.
2227 (eligible_for_sibcall_delay): New attribute.
2228 (sibcall): New delay type.
2229 (sibcall, sibcall_value, sibcall_epilogue): New expands.
2230 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
2231 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
2232 * config/sparc/sparc.c (sparc_leaf_regs): New array.
2233 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
2235 (output_function_epilogue): Move part of the code into
2236 output_restore_regs.
2237 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
2239 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
2242 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
2243 until infrastructure is finished.
2245 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
2247 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
2248 (save_parm_insns): Not here.
2250 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2252 * builtins.c (expand_builtin_bzero): New function.
2253 (expand_builtin): Handle bzero.
2255 * builtins.def: Add BUILT_IN_BZERO.
2257 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2258 prototype & function for bzero.
2260 2000-03-23 Michael Meissner <meissner@redhat.com>
2262 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
2263 change adding TARGET_FP to the TF floating point insns, except for
2264 trunctfsf2, which generates direct calls to truncdfsf2.
2266 2000-03-23 Geoff Keating <geoffk@cygnus.com>
2268 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
2269 try to protect against middle-end changes that break binary
2271 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
2273 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2275 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
2277 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2279 * calls.c (expand_call): If TARGET is passed by reference and
2280 is readonly, write a CLOBBER.
2282 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2284 * builtins.c (expand_builtin): Handle bcmp.
2286 * builtins.def: Add BUILT_IN_BCMP.
2288 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2289 prototype & function for bcmp.
2291 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
2293 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
2294 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
2295 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
2297 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
2299 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
2300 alternative when using -fp64 -gp32.
2302 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2304 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
2305 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
2306 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
2308 * frame.h (frame_state): Revert last change.
2309 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
2310 * libgcc2.c (throw_helper): Revert last change.
2312 2000-03-22 Richard Henderson <rth@cygnus.com>
2314 * stmt.c (expand_asm_operands): Don't promote the temporary.
2316 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2318 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
2319 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
2320 c_get_alias_set): Likewise.
2321 * c-decl.c (duplicate_decls): Likewise.
2322 * c-typeck.c (default_conversion,build_unary_op): Likewise.
2323 * calls.c (initialize_argument_information): Likewise.
2324 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
2326 * dwarfout.c (decl_class_context,output_type): Likewise.
2327 * expr.c (get_inner_reference): Likewise.
2328 * fold-const.c (simple_operand_p,fold): Likewise.
2329 * function.c (aggregate_value_p): Likewise.
2330 * stmt.c (expand_asm_operands): Likewise.
2331 * varasm.c (named_section): Likewise.
2333 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2335 Implement dwarf2 exception handling for the ARM.
2336 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
2337 (DWARF_FRAME_RETURN_COLUMN): Define.
2338 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
2339 REG_FRAME_RELATED_EXPR note.
2340 (emit_sfm): Likewise.
2341 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
2342 * dwarf2out.c (reg_save): Handle saving a register to itself.
2343 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
2344 * except.c (eh_regs): Don't use the static chain reg if it's
2346 * frame.h (frame_state): Add cfa_saved field.
2347 * frame.c (execute_cfa_insn): Set it.
2348 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
2350 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
2352 (instantiate_virtual_regs): Adjust.
2354 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2355 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2356 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
2358 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
2359 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
2361 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2363 * builtins.def: New file.
2365 * Makefile.in (TREE_H): Depend on builtins.def.
2367 * builtins.c (built_in_names): Use builtins.def.
2369 * tree.h (built_in_function): Likewise.
2371 2000-03-22 Mark Mitchell <mark@codesourcery.com>
2373 * tree.c (size_in_bytes): Return size_zero_node, not
2376 2000-03-22 Geoff Keating <geoffk@cygnus.com>
2378 * config/fp-bit.c (pack_d): Correct the case when a denormal
2379 is rounded up and stops being denormal.
2381 2000-03-21 Richard Henderson <rth@cygnus.com>
2383 * config/alpha/alpha.c (function_arg): Check for void_type_node
2384 before using MUST_PASS_IN_STACK.
2386 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
2388 * regmove.c (combine_stack_adjustments_for_block): Check that
2389 the stack pointer is a valid memory address.
2391 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
2393 * calls.c: re-install Mar 16 emit_library_call merge.
2395 2000-03-21 Jakub Jelinek <jakub@redhat.com>
2397 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
2398 we cannot be sure that if reload_completed base register will
2399 be properly aligned.
2401 2000-03-21 Richard Henderson <rth@cygnus.com>
2403 * flow.c (delete_block): Fix typo last change.
2405 2000-03-21 Mark Mitchell <mark@codesourcery.com>
2407 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
2408 not COMPLETE_TYPE_P, to check the type of the expression.
2410 2000-03-21 Michael Meissner <meissner@redhat.com>
2412 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
2413 all floating point insns that just tested the macro
2414 TARGET_HAS_XFLOATING_LIBS.
2415 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
2416 used to only use the gprs.
2418 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
2420 * tree.h (COMPLETE_TYPE_P): New macro.
2421 (COMPLETE_OR_VOID_TYPE_P): New macro.
2422 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
2423 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
2424 * c-aux-info.c (gen_type): Use them.
2425 * c-common.c (c_expand_expr_stmt): Likewise.
2426 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
2427 grokdeclarator, grokparms, finish_struct, start_function,
2428 store_parm_decls, combine_parm_decls): Likewise.
2429 * c-parse.y (cast_expr): Likewise.
2430 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
2431 c_size_in_bytes, c_alignof, build_component_ref,
2432 build_indirect_ref, build_array_ref, convert_arguments,
2433 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
2434 * calls.c (initialize_argument_information): Likewise.
2435 * convert.c (convert_to_integer): Likewise.
2436 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
2437 * dwarfout.c (location_or_const_value_attribute,
2438 output_enumeration_type_die, output_structure_type_die,
2439 output_union_type_die, output_type): Likewise.
2440 * expr.c (safe_from_p, expand_expr): Likewise.
2441 * function.c (assign_parms): Likewise.
2442 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
2443 * tree.c (build_array_type, build_function_type,
2444 build_method_type, build_offset_type, build_complex_type): Likewise.
2445 * c-parse.c, c-parse.h: Regenerated.
2447 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2449 * config/c4x/rtems.h: Include config/rtems.h.
2451 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
2453 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
2454 decl is a FUNCTION_DECL
2456 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
2458 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
2459 function uses output registers. Don't save RP for leaf functions.
2460 Do save RP even if no epilogue.
2461 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
2462 (CALL_USED_REGISTERS): Unmark in registers.
2463 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
2466 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2468 * config/rs6000/rs6000.md (bunordered): New expander.
2469 (bordered): New expander.
2470 (buneq): New expander.
2471 (bunge): New expander.
2472 (bungt): New expander.
2473 (bunle): New expander.
2474 (bunlt): New expander.
2475 (bltgt): New expander.
2477 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
2478 (ccr_bit_negated_p): New function.
2479 (print_operand): For %C, generate appropriate cror for UNEQ,
2480 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
2482 2000-03-20 Andreas Jaeger <aj@suse.de>
2484 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
2487 * tree.h (safe_for_unsave): Prototype.
2489 2000-03-20 Richard Henderson <rth@cygnus.com>
2491 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
2492 (combine_stack_adjustments_for_block): Don't allow sp references
2493 in the side of a set we're not fixing up.
2494 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
2495 after life_analysis.
2497 2000-03-20 Richard Henderson <rth@cygnus.com>
2499 * calls.c (expand_call): Don't bother generating tail call
2500 sequences if there are pending cleanups. Use
2501 expand_start_target_temps/expand_end_target_temps to elide
2502 cleanups created during sibcall expansion.
2504 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2506 * configure.in: Set $IFS to a value if it doesn't already have one
2507 in the --enable-checking handling.
2508 * configure: Regenerate.
2510 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2512 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
2513 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2516 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
2518 * jump.c (delete_noop_moves): Remove code attempting to
2519 combine stack adjustments.
2521 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2523 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
2524 * except.c (emit_cleanup_handler): Use them.
2525 (expand_end_all_catch): Likewise.
2526 * function.c (fixup_var_refs): Likewise.
2527 (expand_function_end): Clear catch_clauses_last.
2528 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
2529 * except.h (struct eh_status): New field x_catch_clauses_last.
2530 (catch_clauses_last): New define.
2532 * Makefile.in (tree.o): Depend on HASHTAB_H.
2533 * tree.c: Include hashtab.h.
2534 (struct type_hash): Remove next field.
2535 (TYPE_HASH_SIZE): Remove.
2536 (TYPE_HASH_INITIAL_SIZE): New define.
2537 (type_hash_table): Change type to htab_t.
2538 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
2539 mark_hash_entry): New functions.
2540 (init_obstacks): Allocate type hash.
2541 (type_hash_lookup): Use htab functions.
2542 (type_hash_add, mark_type_hash): Likewise.
2543 (dump_tree_statistics): Call print_type_hash_statistics.
2545 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2547 * rs6000/t-aix41: New file.
2549 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
2551 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
2553 * tm.texi (Driver): Fix typos and tweak entry for
2555 Move misplaced STRUCT_FORCE_BLK entry ...
2556 (Storage Layout): ... to here.
2557 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
2559 2000-03-19 Richard Henderson <rth@cygnus.com>
2561 * flow.c (delete_block): Delete the addr_vec along with the block.
2562 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
2565 * fold-const.c (extract_muldiv): Apply type check for defined
2566 overflow to multiply as well as divide.
2568 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
2570 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2572 * emit-rtl.c (remove_unncessary_notes): Check that all
2573 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
2574 associated NOTE_BLOCK.
2575 * function.h (identify_blocks): Update comments.
2576 (reorder_blocks): Declare.
2577 * function.c (identify_blocks): Don't take paramters.
2578 (reorder_blocks): Don't take parameters.
2579 * loop.h (find_loop_tree_blocks): Remove.
2580 (unroll_block_trees): Likewise.
2581 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
2582 reorder_blocks instead of unroll_block_trees.h
2583 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
2584 * stmt.c (find_loop_tree_blocks): Remove.
2585 (unroll_block_trees): Likewise.
2586 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
2587 in whole-function mode.
2588 * tree.h (reorder_blocks): Remove declaration.
2590 * expr.c: Include intl.h.
2591 * Makefile.in (expr.o): Depend on intl.h.
2593 2000-03-18 Richard Henderson <rth@cygnus.com>
2595 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
2597 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2599 * tree.h (tree_index): Remove enumerals for integer types.
2600 (integer_type_kind): New type.
2601 (integer_types): New variable.
2602 (char_type_node): Adjust.
2603 (signed_char_type_node): Likewise.
2604 (unsigned_char_type_node): Likewise.
2605 (short_integer_type_node): Likewise.
2606 (short_unsigned_type_node): Likewise.
2607 (integer_type_node): Likewise.
2608 (unsigned_type_node): Likewise.
2609 (long_integer_type_node): Likewise.
2610 (long_unsigned_type_node): Likewise.
2611 (long_long_integer_type_node): Likewise.
2612 (long_long_unsigned_type_node): Likewise.
2613 * tree.c (integer_types): New variable.
2614 (init_obstacks): Register it as a root.
2616 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
2618 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
2619 NEXT_INSN. Update last insn in chain.
2621 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
2623 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
2624 with TYPE_DECL_SUPPRESS_DEBUG set.
2626 2000-03-18 Richard Henderson <rth@cygnus.com>
2628 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
2630 2000-03-18 Richard Henderson <rth@cygnus.com>
2632 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
2633 care for HALF_PIC_P.
2634 (expander_call_insn_operand): Remove.
2635 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
2636 * i386.h (PREDICATE_CODES): Update.
2637 * i386.md (all call expanders): Remove predicates, remove special
2638 handling for half-pic.
2639 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
2640 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
2641 (sibcall_epilogue): New.
2643 2000-03-17 Richard Henderson <rth@cygnus.com>
2645 * rtlanal.c (single_set): Reject if the parallel has anything
2646 except SET or USE or CLOBBER.
2648 2000-03-17 Jeff Law <law@cygnus.com>
2649 Richard Henderson <rth@cygnus.com>
2651 * Makefile.in (OBJS): Add sibcall.o.
2653 * sibcall.c: New file.
2654 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
2655 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
2656 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
2657 Emit sibcall patterns when requested. Update all callers.
2658 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
2659 elimination seems feasable.
2660 * final.c (leaf_function_p): Sibling calls don't discount being
2662 * flow.c (HAVE_sibcall_epilogue): Provide default.
2663 (find_basic_blocks_1): Sibling calls don't throw.
2664 (make_edges): Make edge from sibling call to EXIT.
2665 (propagate_block): Don't remove sibcall_epilogue insns.
2666 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
2667 (sibcall_epilogue): New.
2668 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
2669 (identify_blocks_1): Likewise. Break out from ...
2670 (identify_blocks): ... here.
2671 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
2672 (reorder_blocks): ... here.
2673 (init_function_for_compilation): Zap prologue/epilogue as varrays.
2674 (record_insns): Extend a varray instead of mallocing new memory.
2675 (contains): Read a varray not array of ints.
2676 (sibcall_epilogue_contains): New.
2677 (thread_prologue_and_epilogue_insns): Emit and record
2678 sibcall_epilogue patterns.
2679 (init_function_once): Allocate prologue/epilogue varrays.
2680 * genflags.c (gen_insn): Treat sibcall patterns as calls.
2681 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
2683 (save_for_inline_nocopy): ... here.
2684 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
2686 (expand_inline_function): ... here.
2687 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
2688 (subst_constants): Handle 'n' formats.
2689 * jump.c (jump_optimize_minimal): New.
2690 (jump_optimize_1): New arg `minimal'; update callers. Elide most
2691 optimizations if it's set.
2692 * rtl.c (copy_rtx): Do copy jump & call for insns.
2693 * rtl.h (struct rtx_def): Document use of jump and call for insns.
2694 (SIBLING_CALL_P): New.
2695 (sibcall_use_t): New.
2696 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
2697 Invoke optimize_sibling_and_tail_recursive_calls.
2698 * tree.c (lang_safe_for_unsave): New.
2699 (safe_for_unsave): New.
2700 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
2702 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
2703 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
2704 (*sibcall_osf_1, *sibcall_value_osf_1): New.
2706 2000-03-17 Mark Mitchell <mark@codesourcery.com>
2708 * objc/objc-act.c (encode_method_prototype): Pass types, not
2709 PARM_DECLs, to int_size_in_bytes.
2711 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
2713 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
2715 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
2716 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
2718 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2720 * Clean up usages of TREE_INT_CST_LOW.
2721 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
2722 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2724 * c-tree.h (min_precision): Move declaration to here.
2725 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
2726 (build_unary_op, add_pending_init): Use bit_position.
2727 (pending_init_member, process_init_element): Likewise.
2728 (really_start_incremental_init, push_init_level, pop_init_level):
2729 Don't make copies of nodes or modify them in place, use consistent
2730 types when tracking positions, and use tree routines computations.
2731 (set_init_index, output_init_element): Likewise.
2732 (output_pending_init_elements, process_init_element): Likewise.
2733 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
2734 tree_low_cst and int_bit_position; also minor cleanup.
2735 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
2736 (print_cst_octal): Precision is unsigned.
2737 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
2738 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
2739 (simple_type_align_in_bits): Result is unsigned int.
2740 Use tree_int_low_cst and host_integerp.
2741 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
2742 (field_byte_offset): Result is HOST_WIDE_INT.
2743 Change types of internal variables so alignments are unsigned int,
2744 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
2745 Use host_integerp, tree_low_cst, and int_bit_position.
2746 (add_bit_offset_attribute): Likewise.
2747 (add_data_member_location_attribute): Use tree_cst_low.
2748 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
2749 (add_bit_size_attribute): Use tree_low_cst.
2750 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
2751 * dwarfout.c: Similar changes to dwarf2out.c.
2752 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
2753 * genoutput.c (n_occurences): Return -1 for null string.
2754 (strip_whitespace): Accept null string and make into function.
2755 (scan_operands): Reflect above changes.
2756 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
2757 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
2758 * ssa.c (rename_registers): Add missing cast of arg to bzero.
2759 * tree.c (int_size_in_bytes): Check for too big to represent.
2760 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
2761 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
2763 (min_precision): Delete from here.
2764 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
2765 and int_bit_position.
2766 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
2767 (encode_method_def): Likewise.
2768 (build_ivar_list_initializer): Use int_bit_position.
2769 (generate_shared_structures): Convert size.
2770 (encode_type, encode_complete_bitfield): Use integer_zerop.
2771 (encode_bitfield): Use tree_low_cst and int_bit_position.
2773 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2775 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
2777 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2779 * call.c (special_function_p): It is only malloc if it returns
2782 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2784 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
2785 (C33_FLAG, TARGET_C3X): Add macros.
2786 (TARGET_SWITCHES): Add -m33 option.
2787 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
2789 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2791 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
2792 (PARALLEL_PACK_FLAG): Delete.
2793 (TARGET_SWITCHES): Update.
2794 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
2796 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2798 * fold-const.c (fold): Fix a few cases when the returned result
2799 is not of the same type as the input.
2801 2000-03-16 Nick Clifton <nickc@cygnus.com>
2803 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
2806 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2808 * libgcc2.h: Move prototypes above macros with the same name.
2809 Wrap some function prototypes in the conditional which indicates
2810 whether they are supported, i.e. "BITS_PER_UNIT == 8".
2812 2000-03-16 Richard Henderson <rth@cygnus.com>
2814 * calls.c: Revert last two changes.
2816 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
2818 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
2819 has exponent 0 is a zero.
2821 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
2822 HASH may already be nonzero. Add code/mode into hash value
2823 immediately after repeat label.
2824 (cselib_lookup): Don't leave the hash table in an inconsistent
2825 state before a hash lookup operation.
2827 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
2829 * i386.md (all HI and QI mode non-move patterns): Conditionize
2830 by TARGET_[HQ]IMODE_MATH.
2831 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
2832 x86_promote_qi_regs): Declare.
2833 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
2834 TARGET_PROMOTE_QI_REGS): New macros.
2835 (PROMOTE_MODE): New macro.
2836 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
2837 x86_promote_qi_regs): New global variables.
2839 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
2841 * calls.c (emit_library_call_value_1): Break out from ...; handle
2842 VOIDmode function calls too.
2843 (emit_library_call_value): ... here.
2844 (emit_library_call): Implement by calling emit_library_call_value_1.
2846 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
2848 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
2849 Update arg_space_so_far on stack adjustments.
2850 (emit_library_call, emit_library_call_value): Likewise; take into
2851 account arg_space_so_far and pending_stack_adjust when calculcating
2854 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
2856 * flow.c: Move all basic block reordering code into its own file.
2857 (create_basic_block): Externalize.
2858 * bb-reorder.c: New file. Copy all basic block reordering code from
2859 flow.c to this file.
2860 (reorder_basic_blocks): Fix fencepost error in for-loop.
2861 (reorder_basic_blocks): Remove braces from single statement for-loops.
2862 * basic-block.h: Add declaration for create_basic_block.
2863 * Makefile.in: Add rules for bb-reorder.o.
2865 2000-03-16 Neil Booth <NeilB@earthling.net>
2867 * cppinit.c (handle_option): Implement #unassert directive
2868 as -A- command line option.
2869 (print_help): Update.
2870 * cpptexi.c: Update.
2872 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
2874 * md.texi (Standard Names): Document `jump'.
2876 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
2878 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
2881 2000-03-15 Geoff Keating <geoffk@cygnus.com>
2883 See the ChangeLog on the branch for more details.
2885 * configure.in: Merge in changes from newppc-branch.
2886 * configure: Regenerate.
2887 * config/rs6000/*: Merge in changes from newppc-branch.
2888 Also correct copyright notices.
2890 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
2892 * acconfig.h (HAVE_GAS_WEAK): New define.
2893 * configure.in (assembler weak support): Check for .weak support.
2894 * config.in, configure: Rebuilt.
2895 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
2896 HAVE_GAS_WEAK is defined.
2898 2000-03-15 Nick Clifton <nickc@cygnus.com>
2900 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
2903 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
2905 * cppfiles.c (open_include_file): New function.
2906 (find_include_file, cpp_read_file): Use it.
2908 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
2910 * cpphash.c (dump_hash_helper): Take the slot, not the element.
2912 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
2914 * flow.c (verify_flow_info): Check for unconditional return.
2916 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
2918 * config/ia64/ia64.md (restore_stack_nonlocal): New.
2919 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
2920 (__ia64_restore_stack_nonlocal): New.
2921 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
2923 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2925 * cpphash.c (collect_formal_parameters): Do not complain about
2926 parameter names that just start with `__VA_ARGS__'.
2928 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
2930 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
2931 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
2932 * i386.c (pentiumpro_cost): Set mul cost to 4.
2933 (x86_use_movx): Set for PPro.
2935 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
2937 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
2938 STACK_BOUNDARY for empty frames now.
2940 2000-03-14 Mark Mitchell <mark@codesourcery.com>
2942 * stor-layout.c (layout_union): Remove.
2943 (layout_union_field): New function, split out from layout_union.
2944 (finish_union_layout): Likewise.
2945 (layout_field): Handle unions by calling layout_union_field.
2946 (finish_record_layout): Handle unions.
2947 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
2948 QUAL_UNION_TYPE handling.
2950 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
2952 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
2953 end of basic block is jump_insn, not barrier; use create_basic_block
2954 instead of creating basic block by hand.
2956 2000-03-14 Jason Eckhardt <jle@cygnus.com>
2958 * flow.c (reorder_basic_blocks): Account for barriers when writing
2959 over NEXT_INSN (last_bb->end).
2960 (verify_flow_info): Add check for missing barriers.
2962 2000-03-14 Greg McGary <gkm@gnu.org>
2964 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
2965 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
2966 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
2967 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
2968 __unbounded, __unbounded__): New keywords.
2969 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
2970 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2971 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2973 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
2975 * cselib.h: New file.
2976 * alias.c: Include "cselib.h".
2977 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
2978 MEMs as two new arguments.
2979 (get_addr): New static function.
2980 (find_base_term): Handle VALUEs.
2981 (memrefs_conflict_p): Likewise.
2982 (true_dependence): Call get_addr on the addresses.
2983 Call fixed_scalar_and_varying_struct_p with addresses that have been
2984 passed through get_addr and canon_rtx.
2985 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
2986 with true_dependence.
2987 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
2988 * loop.c: Include "cselib.h".
2989 (load_mems): Process extended basic block that enters the loop with
2990 cselib. Use that information to change initialization of the shadow
2991 register so that a constant equivalence is seen by later passes.
2992 * reload1.c: Include "cselib.h".
2993 (reload_cse_invalidate_regno): Delete function.
2994 (reload_cse_mem_conflict_p): Likewise.
2995 (reload_cse_invalidate_mem): Likewise.
2996 (reload_cse_invalidate_rtx): Likewise.
2997 (reload_cse_regno_equal_p): Likewise.
2998 (reload_cse_check_clobber): Likewise.
2999 (reload_cse_record_set): Likewise.
3000 (reg_values): Delete static variable.
3001 (invalidate_regno_rtx): Likewise.
3002 (reload_cse_delete_noop_set): New static function.
3003 (reload_cse_simplify): New static function, broken out of
3005 (reload_cse_noop_set_p): Delete unused argument INSN.
3006 Just call rtx_equal_for_cselib_p on set source and destination.
3007 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
3008 reload_cse_delete_noop_set. Delete code to keep track of values; use
3009 cselib functions instead. Delete code to push/pop obstacks.
3010 (reload_cse_simplify_set): Use cselib to find equivalent values.
3011 Delete code to push/pop obstacks.
3012 (reload_cse_simplify_operands): Likewise.
3013 * rtl.def (VALUE): New rtx code.
3014 * rtl.h (union rtunion_def): New elt rt_cselib.
3015 (X0CSELIB, CSELIB_VAL_PTR): New macros.
3016 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
3017 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
3018 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
3019 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
3020 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
3021 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
3022 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
3023 cselib_record_set, cselib_record_sets): New static functions.
3024 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
3025 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
3026 references_value_p): New functions.
3027 (MAX_USELESS_VALUES, REG_VALUES): New macros.
3028 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
3029 n_useless_values, reg_values, callmem, cselib_obstack,
3030 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
3031 New static variables.
3032 * varray.h (union varray_data_tag): New elt te.
3033 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
3034 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
3037 2000-03-14 Nick Clifton <nickc@cygnus.com>
3039 * gcc.c (do_spec_1): Catch the case where %* is used in a
3040 substitution pattern, but it has not been initialised.
3041 Issue a meaningful error message if an unrecognised operator
3042 is encountered in a spec string.
3044 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
3046 * function.c (prepare_function_start): Correctly initialize
3047 cfun->stack_alignment_needed.
3049 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
3051 * cppfiles.c (find_include_file): Don't assume nshort is a
3054 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
3056 * configure.in (hppa configurations): Add pa32-regs.h to the
3057 list of tm files as appropriate.
3058 * configure: Rebuilt.
3059 * pa.c (compute_frame_size): Remove explicit knowledge about FP
3061 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
3062 (fmpyaddoperands, fmpysuboperands): Likewise.
3063 * pa.h: Remove various definitions which depend on knowing
3064 how registers are numbered.
3065 * pa32-regs.h: New file with PA32 register numbering specific
3068 2000-03-14 Richard Henderson <rth@cygnus.com>
3070 * regmove.c (combine_stack_adjustments): New.
3071 (stack_memref_p, single_set_for_csa): New.
3072 (free_csa_memlist, record_one_stack_memref): New.
3073 (try_apply_stack_adjustment): New.
3074 (combine_stack_adjustments_for_block): New.
3075 * rtl.h (combine_stack_adjustments): Declare.
3076 * toplev.c (rest_of_compilation): Call it.
3078 * i386.md: Revert 2000-01-16 change.
3080 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3082 * gccbug.in: Add web category, gcc specific classes.
3084 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
3086 * stor-layout.c (finalize_record_size): Fix typo.
3088 2000-03-14 Stan Shebs <shebs@apple.com>
3090 * c-typeck.c (c_alignof): Error on incomplete types.
3091 * extend.texi (Alignment): Document this.
3093 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
3095 * cppfiles.c: Include mkdeps.h.
3096 (find_include_file, read_include_file): Remove _cpp_ prefix
3097 from name, make static.
3098 (_cpp_execute_include): New function, broken out of
3101 * cpplib.c: Don't include mkdeps.h.
3102 (struct directive): Remove type field. Reorder entries. The
3103 function takes only one argument.
3104 (struct if_stack): Make type field an int.
3105 (directive_table): Rename to dtable. Generate it, the
3106 prototypes of the directive handlers, and the enum for the
3107 directive numbers, from a template macro.
3108 (do_ifndef, do_include_next, do_import): New functions.
3109 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
3110 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
3111 do_ident, do_assert, do_unassert, do_sccs): Take only one
3113 (do_sccs): Define always, but alter behavior based on
3115 (_cpp_handle_directive, consider_directive_while_skipping):
3116 Restructure for new directive table layout.
3118 (pass_thru_directive): Take a directive number, not a pointer
3119 to a struct directive.
3120 (parse_include): New function, broken out of do_include.
3121 (do_include, do_import, do_include_next): Use parse_include
3122 and _cpp_execute_include.
3123 (do_elif, do_else): Test for T_ELSE specifically when checking
3124 for #elif/#else after #else.
3125 (parse_ifdef): New function, broken out of do_ifdef.
3126 (validate_else): Expect a name arg without a leading #.
3127 (if_directive_name): Delete.
3128 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
3129 directive handlers with only one argument.
3131 * cpphash.h: Update prototypes.
3132 (enum node_type): Remove entries for directives.
3133 * Makefile.in: Update dependencies.
3135 * cpphash.c (dump_hash_helper): Only dump nodes of type
3136 T_MACRO. Emit a newline after each definition.
3138 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3140 * gccbug.in: New file.
3141 * configure.in (all_outputs): Add gccbug.
3142 * Makefile.in (install-common): Install gccbug.
3143 (GCCBUG_INSTALL_NAME): New variable.
3144 * configure: Rebuilt.
3146 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
3148 * function.c (put_var_into_stack): Use type_for_mode to calculate
3149 part_type. Use MEM_SET_IN_STRUCT_P.
3150 * expr.c (store_field): Handle CONCAT.
3151 (store_constructor): Use fields_length.
3152 * tree.c (fields_length): New fn.
3153 * tree.h: Declare it.
3155 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
3157 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
3158 (cpplex.o): New target.
3159 * po/POTFILES.in: Add cpplex.c.
3161 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
3162 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
3163 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
3164 skip_block_comment, skip_line_comment, skip_comment,
3165 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
3166 _cpp_parse_name, skip_string, parse_string,
3167 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
3168 _cpp_get_directive_token, find_position,
3169 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
3170 (maybe_macroexpand, _cpp_lex_token): New functions.
3172 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
3173 parse_goto_mark): Delete.
3174 (_cpp_handle_eof): New function.
3175 (_cpp_handle_directive): Rename from handle_directive.
3176 (_cpp_output_line_command): Rename from output_line_command.
3177 (do_if, do_elif): Call _cpp_parse_expr directly.
3178 * cppfiles.c (_cpp_read_include_file): Don't call
3179 init_input_buffer here.
3180 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
3181 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
3182 here; pop the token_buffer and skip the rest of the line here.
3183 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
3186 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
3188 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
3189 CPP_GOTO_MARK): New macros.
3190 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
3191 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
3192 _cpp_read_and_prescan, _cpp_init_input_buffer,
3193 _cpp_grow_token_buffer, _cpp_get_directive_token,
3194 _cpp_handle_directive, _cpp_handle_eof,
3195 _cpp_output_line_command): Prototype them here.
3196 * cpplib.h (enum cpp_token): Add CPP_MACRO.
3197 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
3198 quote_string, output_line_command): Remove.
3200 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
3202 * stmt.c (expand_end_case): RANGE may be signed, and when checking
3203 whether it is too large we must also verify that it isn't negative.
3205 2000-03-13 Jakub Jelinek <jakub@redhat.com>
3207 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
3208 (movsi_zero_liveg0): Remove.
3209 (movsf_insn_novis_liveg0): Remove.
3211 (negsi2_not_liveg0): Rename to negsi2.
3212 (one_cmplsi2): Remove.
3213 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
3214 (one_cmplsi2_liveg0): Remove.
3215 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
3216 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
3217 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
3218 (PREDICATE_CODES): Remove zero_operand.
3219 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
3220 TARGET_BROKEN_SAVERESTORE.
3221 (zero_operand): Remove.
3222 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
3223 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
3225 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3226 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
3227 TARGET_BROKEN_SAVERESTORE): Remove.
3228 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
3230 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
3232 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
3235 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
3237 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
3239 * cpplib.c (do_pragma_implementation): Fix off-by-one error
3240 truncating a string. Don't assume tokens are nul terminated.
3241 Problem noted by Andreas Jaeger <aj@suse.de>
3243 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
3245 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
3246 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
3247 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
3249 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
3251 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
3252 STRUCTURE_SIZE_BOUNDARY.
3254 2000-03-13 Mark Mitchell <mark@codesourcery.com>
3256 * tree.h (record_layout_info_s): New structure.
3257 (record_layout_info): New type.
3258 (new_record_layout_info): New function.
3259 (layout_field): Likewise.
3260 (finish_record_layout): Likewise.
3261 * stor-layout.c (layout_record): Remove.
3262 (new_record_layout_info): New function.
3263 (layout_field): New function, broken out from layout_record.
3264 (finalize_record_size): Likewise.
3265 (compute_record_mode): Likewise.
3266 (finalize_type_size): New function, broken out from layout_type.
3267 (finish_record_layout): Likewise.
3268 (layout_type): Use them.
3270 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
3272 * cpphash.c: Don't include version.h.
3273 (special_symbol) [case T_VERSION]: Look for the string in
3274 hp->value.cpval; don't use version_string.
3275 * cppinit.c (initialize_builtins): Set hp->value.cpval for
3276 __VERSION__ to version_string.
3277 * Makefile.in (cpphash.o): Update deps.
3279 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
3281 Convert cpplib to use libiberty/hashtab.c.
3283 * cpplib.h (struct cpp_reader): Make hashtab and
3284 all_include_files of type 'struct htab *'. Delete HASHSIZE
3285 and ALL_INCLUDE_HASHSIZE macros.
3287 * cpphash.h: Update prototypes.
3288 (struct hashnode): Remove next, prev, and bucket_hdr members.
3289 Make length a size_t. Add hash member.
3290 (struct ihash): Remove next member. Add hash member. Make
3291 name a flexible array member.
3293 * cppfiles.c: Include hashtab.h.
3294 (include_hash): Delete.
3295 (IHASHSIZE): New macro.
3296 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
3297 (cpp_included): Do the hash lookup here.
3298 (_cpp_find_include_file): Rewrite.
3299 (cpp_read_file): Put the "fake" hash entry into the hash
3300 table. Honor the control_macro, if it turns out we've seen
3301 the file before. Don't push the buffer here.
3302 (_cpp_read_include_file): Push the buffer here.
3303 (OMODES): New macro. Use it whenever we call open(2).
3305 * cpphash.c: Include hashtab.h.
3306 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
3307 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
3308 _cpp_lookup_slot): New functions.
3309 (HASHSIZE): new macro.
3310 (hashf, _cpp_install, _cpp_delete_macro): Delete.
3311 (_cpp_lookup): Use hashtab.h routines.
3313 * cppinit.c: Include hashtab.h.
3314 (cpp_reader_init): Call _cpp_init_macro_hash and
3315 _cpp_init_include_hash. Don't allocate hashtab directly.
3316 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
3317 pfile->all_include_files.
3318 (initialize_builtins): Use _cpp_make_hashnode and
3319 htab_find_slot to add hash entries.
3320 (cpp_finish): Just call _cpp_dump_macro_hash.
3321 * cpplib.c: Include hashtab.h.
3322 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
3323 create hash entries.
3324 (do_pragma_poison, do_assert): Likewise.
3325 (do_include): Don't push the buffer here. Don't increment
3326 system_include_depth unless _cpp_read_include_file succeeds.
3327 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
3329 (do_pragma_implementation): Use alloca to create copy.
3331 * Makefile.in: Update dependencies.
3333 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3335 * cppinit.c (cl_directive_handler): More K&R fixing.
3337 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
3339 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
3341 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
3343 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3345 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
3346 Change from char[] to macros.
3348 2000-03-12 Neil Booth <NeilB@earthling.net>
3350 * cppinit.c (cpp_start_read): Update indirect function
3353 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
3355 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
3358 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
3359 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
3361 2000-03-11 Neil Booth <NeilB@earthling.net>
3363 * cppinit.c (struct pending option): Replace undef with a
3364 pointer to a directive handling routine.
3365 (struct cpp_pending): Replace separate assert_ and define_
3366 lists with one directive_ list.
3367 (new_pending_define): Rename new_pending_directive. Extra
3368 argument is the directive's handling routine.
3369 (handle_option): Update to use new_pending_directive.
3371 2000-03-11 Neil Booth <NeilB@earthling.net>
3373 * cppfiles.c (file_cleanup, _cpp_find_include_file,
3374 remap_filename, _cpp_read_include_file, actual_directory,
3375 hack_vms_include_specification): Replace bcopy(), index() etc
3376 calls. Add casts to some allocations. Make some variables
3377 pointers to const [unsigned] char.
3378 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
3379 collect_formal_parameters): Similarly.
3380 * cppinit.c (struct pending_option, append_include_chain,
3381 cpp_options_init, cpp_reader_init, initialize_standard_includes,
3382 cpp_start_read, new_pending_define, handle_option): Similarly.
3383 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
3384 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
3385 do_pragma_implementation, detect_if_not_defined,
3386 do_ifdef, skip_if_group, cpp_get_token, parse_string,
3387 do_assert, do_unassert): Similarly.
3388 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
3389 function prototypes.
3390 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
3392 2000-03-10 Richard Henderson <rth@cygnus.com>
3394 * builtins.c (expand_builtin_strlen): Revert last change.
3395 Use emit_insn_before if we're at the beginning of a sequence.
3397 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
3399 * builtins.c (expand_builtin_strlen): Make sure that we have something
3400 at the beginning of the sequence.
3402 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
3405 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
3407 2000-03-10 Richard Henderson <rth@cygnus.com>
3409 * except.c (can_throw): Use INTVAL on a CONST_INT.
3410 (reachable_handlers): Likewise.
3411 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
3413 2000-03-10 Andreas Jaeger <aj@suse.de>
3415 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
3416 MD_STARTFILE_PREFIX since those are not needed on linux.
3417 (ASM_FILE_START): New, from mips/gnu.h.
3419 2000-03-09 Richard Henderson <rth@cygnus.com>
3420 Alex Samuel <samuel@codesourcery.com> and others
3422 * Makefile.in (ssa.o): New rule.
3424 (STAGESTUFF): Add *.ssa and *.ussa.
3425 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
3426 * rtl.def (PHI): New RTL expression.
3427 * rtl.h (clear_log_links): New declaration.
3428 (convert_to_ssa): Likewise.
3429 (convert_from_ssa): Likewise.
3430 * flow.c (split_edge): If the entry node falls through to the
3431 split edge's source block, split the entry edge.
3432 (clear_log_links): New function.
3433 * toplev.c (ssa_dump): New variable.
3434 (flag_ssa): Likewise.
3435 (f_options): Add "ssa".
3436 (compile_file): Create SSA dump files.
3437 (rest_of_compilation): Go to and from SSA if enabled.
3438 (decide_d_option): Handle -de for SSA dump files.
3441 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
3443 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
3446 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
3448 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
3450 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
3452 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
3453 (MD_STARTFILE_PREFIX_1): New macro.
3455 2000-03-09 Robert Lipe <robertl@sco.com>
3457 * config/ia64/ia64.c: Include system.h.
3459 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
3461 * except.c (nothrow_function_p): If -fno-exceptions, just return.
3462 (init_eh_nesting_info): Likewise.
3464 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
3465 (TREE_NOTHROW): Rename from TREE_RAISES.
3466 * toplev.c (rest_of_compilation): Set it.
3467 * print-tree.c (print_node): Adjust.
3468 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
3469 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
3470 * calls.c (emit_call_1): Add 'nothrow' parm. Add
3471 REG_EH_REGION note as appropriate.
3472 (libfunc_nothrow): New fn.
3473 (emit_library_call, emit_library_call_value): Use it.
3474 (expand_call): Check TREE_NOTHROW.
3476 * varasm.c (make_decl_rtl): Skip initial '*' when setting
3477 DECL_ASSEMBLER_NAME.
3479 2000-03-09 Andreas Jaeger <aj@suse.de>
3481 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
3482 (TARGET_MEM_FUNCTIONS): Define.
3484 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
3486 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
3488 * except.c (can_throw): See through a SEQUENCE.
3489 (nothrow_function_p): New fn.
3490 * except.h: Declare it.
3491 * function.c (current_function_nothrow): New var.
3492 (prepare_function_start): Initialize it.
3493 * output.h: Declare it.
3494 * toplev.c (rest_of_compilation): Set it.
3495 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
3497 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
3499 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
3500 match. (cpp_compare_defs): Count the nul separator when
3501 advancing over argument names.
3503 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
3505 * recog.c (preprocess_constraints): Matching constraints affect
3506 same alternative/different operand, not same operand/different
3509 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
3510 register and a constant specially.
3512 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3514 * libgcc2.h: New file.
3515 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
3517 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
3519 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
3520 * configure: Regenerate.
3523 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
3525 * Makefile.in (LIBCPP_DEPS): New macro.
3526 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
3528 * cpperror.c: Include cpphash.h.
3529 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
3531 (lex): Don't use CPP_WARN_UNDEF.
3532 (_cpp_parse_expr): Return an int, the truth value.
3533 * cppfiles.c: Include cpphash.h.
3534 (_cpp_merge_include_chains): Move to cppinit.c and make static.
3535 * cppinit.c (include_defaults_array): Disentangle.
3536 (cpp_cleanup): Don't free the if stack here.
3537 (cpp_finish): Pop off all buffers, not just one.
3538 * cpplib.c (eval_if_expr): Return int.
3539 (do_xifdef): Rename do_ifdef.
3540 (handle_directive): Don't use CPP_PREPROCESSED.
3541 (cpp_get_token): Don't use CPP_C89.
3542 * fix-header.c: Don't use CPP_OPTIONS.
3544 * cpplib.h: Move U_CHAR, enum node_type, struct
3545 file_name_list, struct ihash, is_idchar, is_idstart,
3546 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
3547 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
3548 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
3549 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
3550 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
3551 of _cpp_simplify_pathname, _cpp_find_include_file,
3552 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
3553 Move struct if_stack to cpplib.c. Move struct cpp_pending to
3555 Change all uses of U_CHAR to be unsigned char instead.
3556 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
3558 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
3560 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
3561 (dwarf2out_begin_prologue): Set it.
3562 (output_call_frame_info): Don't emit EH unwind info for leaves.
3564 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
3565 can occur outside of an EH region.
3566 * except.c: Correct comments about rethrow behavior.
3567 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
3569 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
3571 * flow.c (make_edges): Always call make_eh_edge for calls.
3573 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
3575 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
3576 (struct cpp_buffer): Remove fname and underflow fields.
3577 (struct cpp_reader): Remove get_token field.
3578 (struct include_hash): Rename to struct ihash. Add typedef to
3580 (struct if_stack): Remove fname field.
3581 (IF_STACK_FRAME): Rename to IF_STACK.
3583 * cpperror.c (print_containing_files): Trust that there are no
3584 macro buffers below the top file buffer.
3585 * cppfiles.c: Replace all references to 'struct include_hash'
3586 with 'IHASH'. Rename initialize_input_buffer to
3587 init_input_buffer. Don't set or reference cpp_buffer->fname,
3588 use buffer->ihash->name instead.
3589 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
3590 not CPP_NULL_BUFFER.
3591 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
3592 IF_STACK_FRAME, IHASH not struct include_hash.
3593 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
3594 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
3595 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
3596 references to cpp_buffer->fname (delete entirely, or use
3597 ->ihash->name instead) and IF_STACK->fname.
3598 (cpp_push_buffer): Don't set new->underflow.
3599 (do_include): Use cpp_file_buffer.
3601 * cpphash.c (collect_formal_parameters): Remove duplicate
3602 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
3603 used as a macro argument name. Don't append "..." to namebuf
3604 for varargs macros. After we're done scanning, go through
3605 namebuf and make it NUL separated, not comma separated.
3606 (_cpp_compare_defs): Remove register tag from variables.
3607 Expect defn->argnames to be NUL separated.
3608 (_cpp_dump_definition): Expect defn->argnames to be NUL
3609 separated and in forward order.
3610 * cpphash.h: Update documentation of argnames field.
3612 2000-03-08 Richard Henderson <rth@cygnus.com>
3614 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
3615 to fail. Don't pre-expand the source operand.
3617 * i386.md (strlensi): Initialize eoschar and align before use.
3619 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
3621 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
3622 CONSTRUCTOR element.
3624 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
3626 * mips.c (mips_expand_prologue): If the last
3627 named argument is the vararg marker "va_list", treat it as
3628 an unnamed argument.
3630 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
3632 * dbxout.c (dbxout_parms): When correcting for promoted
3633 big-endian parameters, use the mode of the DECL_RTL rather
3634 than UNITS_PER_WORD.
3636 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
3638 * c-common.h (make_fname_decl): Declare.
3639 * c-common.c (make_fname_decl): Define.
3640 (declare_hidden_char_array): Remove.
3641 (declare_function_name): Use make_fname_decl.
3642 * c-decl.c (c_make_fname_decl): New function.
3643 (init_decl_processing): Set make_fname_decl.
3645 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
3647 * cccp.c (handle_directive): Initialize backslash_newlines_p.
3649 2000-03-07 Philipp Thomas <pthomas@suse.de>
3651 * po/POTFILES.in: Remove cppalloc.c from file list.
3653 2000-03-07 Steve Chamberlain <sac@pobox.com>
3655 * pj.c (pj_expand_prologue): current_function->args_info is
3656 now current_function_args_info.
3658 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
3659 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
3660 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
3662 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3664 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
3665 output as hexadecimal rather than the default octal.
3667 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
3669 * cpphash.c (special_symbol): Fix thinko in previous commit.
3671 2000-03-07 Neil Booth <NeilB@earthling.net>
3673 * cppexp.c (struct operation, left_shift, right_shift,
3674 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
3675 "int"s to "unsigned int"s.
3676 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
3678 * cpplib.h: Update for above.
3679 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
3680 returned from allocations.
3682 * cppinit.c (opt_comp, parse_options): New functions.
3683 (handle_option): Use parse_option to parse a single command
3684 line option, that possibly takes an argument.
3685 (cpp_handle_options): Sort the array of command line options on
3686 first invocation (non-ASCII hosts only).
3687 (print_help): Update.
3689 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
3691 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
3692 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
3694 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
3696 * cppinit.c (cpp_cleanup): Free imp->nshort also.
3698 * cpperror.c (cpp_print_containing_files,
3699 cpp_print_file_and_line, v_cpp_message): Rename to
3700 print_containing_files, print_file_and_line, and v_message.
3701 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
3702 to _cpp_parse_expr, parse_escape, and lex.
3703 (parse_charconst): Remove broken multibyte support.
3704 * cppfiles.c (include_hash): Make static.
3705 (cpp_included): New function.
3706 (merge_include_chains, find_include_file, finclude,
3707 simplify_pathname): Rename to _cpp_merge_include_chains,
3708 _cpp_find_include_file, _cpp_read_include_file, and
3709 _cpp_simplify_pathname.
3710 * cpphash.c (cpp_lookup, free_definition, delete_macro,
3711 cpp_install, create_definition, macroexpand, compare_defs,
3712 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
3713 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
3714 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
3715 * cppinit.c (cpp_handle_option): Rename to handle_option, make
3717 * cpplib.c: Remove extern prototype of cpp_parse_expr.
3719 * cpphash.h: Update prototypes.
3720 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
3722 2000-03-07 Andrew Haley <aph@cygnus.com>
3724 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
3725 PTRDIFF_TYPE should be based solely on Pmode.
3728 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3730 * rtl.h (rtunion_def): Constify member `rtstr'.
3731 (emit_line_note_after, emit_line_note, emit_line_note_force,
3732 emit_note, decode_asm_operands): Constify.
3734 * cse.c (canon_hash): Likewise.
3736 * dbxout.c (dbxout_block): Likewise.
3738 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
3739 v_warning_for_asm): Likewise.
3741 * dwarfout.c (function_start_label): Likewise.
3743 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
3744 emit_line_note_force): Likewise.
3746 * final.c (last_filename, asm_insn_count, final_scan_insn,
3747 output_source_line): Likewise.
3749 * function.h (struct emit_status): Likewise.
3751 * gcse.c (hash_expr_1): Likewise.
3753 * genattr.c (gen_attr, main): Likewise.
3755 * genattrtab.c (struct function_unit, current_alternative_string,
3756 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
3757 attr_numeral, check_attr_test, check_attr_value,
3758 convert_set_attr_alternative, convert_set_attr,
3759 compute_alternative_mask, simplify_by_exploding, gen_attr,
3760 gen_unit): Likewise.
3762 * genflags.c (gen_insn): Likewise.
3764 * gengenrtl.c (type_from_format): Likewise.
3766 * genopinit.c (gen_insn): Likewise.
3768 * genoutput.c (n_occurrences, process_template, process_template):
3771 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
3774 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
3777 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
3778 ggc_set_mark, ggc_get_size): Likewise.
3780 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
3782 * optabs.c (init_one_libfunc): Likewise.
3784 * output.h (assemble_start_function): Likewise.
3786 * recog.c (decode_asm_operands): Likewise.
3788 * toplev.c (rest_of_compilation): Likewise.
3790 * tree.h (emit_line_note_after, emit_line_note,
3791 emit_line_note_force): Likewise.
3793 * varasm.c (asm_output_bss, asm_output_aligned_bss,
3794 asm_emit_uninitialised, assemble_start_function,
3795 assemble_variable, const_hash, compare_constant_1,
3796 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
3798 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
3800 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
3802 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
3804 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
3806 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
3807 arm_dllimport_name_p): Likewise.
3809 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
3812 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
3814 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3816 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
3817 arm_mark_dllexport, arm_mark_dllimport,
3818 arm_pe_encode_section_info): Likewise.
3820 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
3821 ASM_FINISH_DECLARE_OBJECT): Likewise.
3823 * arm/thumb.c (thumb_function_prologue): Likewise.
3825 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
3827 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3829 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
3831 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
3833 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
3835 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3837 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
3838 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
3840 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
3842 * i386/i386.c (asm_output_function_prefix): Likewise.
3844 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
3846 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3848 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
3850 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
3851 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
3852 ASM_OUTPUT_SECTION_NAME): Likewise.
3854 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
3856 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
3858 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
3860 * m32r/m32r.c (m32r_encode_section_info): Likewise.
3862 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3864 * mcore/mcore.c (mcore_encode_section_info): Likewise.
3866 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3868 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3870 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3872 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
3874 * mips/mips.md (movdi, movsi): Likewise.
3876 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3878 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3880 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3882 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
3883 ASM_OUTPUT_ASCII): Likewise.
3885 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
3886 output_mi_thunk, output_toc): Likewise.
3888 * rs6000/rs6000.md (movsi): Likewise.
3890 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
3892 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
3894 * v850/v850.c (print_operand, print_operand_address,
3895 v850_encode_data_area): Likewise.
3897 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
3899 * config/mips/mips.md (zero_extendsidi2): Always force operand
3900 one to memory for mips16.
3902 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3904 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
3905 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
3906 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
3907 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
3908 (min_precision): Result is unsigned.
3909 (add_double, neg_double, mul_double): Low word is unsigned.
3910 (lshift_double, rshift_double, lrotate_double): Likewise.
3911 (rrotate_double, div_and_round_double): Likewise.
3912 (tree_floor_log2, compare_tree_int): New functions.
3913 (preserve_rtl_expr_temps): New declaration.
3914 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
3915 (decl_attributes): Use tree_log2 to find alignment.
3916 Check for TREE_INT_CST_HIGH for format args.
3917 (min_precision): Now unsigned.
3918 Use tree_floor_log2.
3919 (truthvalue_conversion): Delete long-disabled code.
3920 * c-decl.c (finish_struct): Clean up tests on field width.
3921 (finish_function): Use compare_tree_int.
3922 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
3923 * c-typeck.c (comptypes): Use tree_int_cst_equal.
3924 (default_conversion, digest_init): Use compare_tree_int.
3925 (build_binary_op): Use integer_all_onesp and compare_tree_int.
3926 Fix type errors in forming masks.
3927 * calls.c (initialize_argument_information): Use compare_tree_int.
3928 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
3929 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
3930 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
3931 (store_field): Use compare_tree_int.
3932 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
3933 (expand_expr, case ARRAY_REF): Use compare_tree_int.
3934 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
3935 (do_store_flag): Use compare_tree_int.
3936 * fold-const.c (encode, decode): Low part is always unsigned.
3937 (force_fit_type, add_double, neg_double, mul_double): Likewise.
3938 (lshift_double, rshift_double, lrotate_double): Likewise.
3939 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
3940 (fold_convert): Use compare_tree_int.
3941 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
3942 (invert_truthvalue, case INTEGER_CST): Likewise.
3943 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
3944 * mkdeps.c (deps_dummy_targets): Make I unsigned.
3945 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
3946 (lshift_double, rshift_double, lrotate_double, rrotate_double):
3948 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
3949 (expand_end_case): Use compare_tree_int.
3950 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
3951 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
3952 (layout_decl): Likewise.
3953 (layout_record, layout_union): Make sizes unsigned.
3954 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
3955 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
3956 * tree.c (struct type_hash): hashcode is unsigned.
3957 (build_type_attribute_variant, type_hash_list): Likewise.
3958 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
3959 (attribute_hash_list, build_array_type, build_method_type): Likewise.
3960 (build_complex_type): Likewise.
3961 (real_value_from_int_cst): Remove unneeded casts.
3962 (integer_all_onesp): Add casts.
3963 (tree_floor_log2, compare_tree_int): New functions.
3964 (build_index_type): Use tree_int_cst_sgn.
3965 * varasm.c (assemble_variable): Use compare_tree_int.
3967 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
3969 * cpphash.c (collect_expansion): Also catch ## at start of macro.
3971 * varasm.c (make_decl_rtl): Don't add a number to members of
3973 (make_function_rtl): Likewise.
3975 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3977 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
3978 patch from 2000-01-28.
3980 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
3982 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
3983 filled with an insn from the jump target.
3985 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3987 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
3988 (c4x_external_ref): Likewise.
3989 * config/c4x/c4x.c (struct name_list): Likewise.
3991 1999-12-16 Ben Collins <bcollins@debian.org>
3993 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
3994 argument to genmultilib.
3995 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
3996 the contents into the multilib.h header.
3997 * gcc.c: Declare multilib_exclusions for the specs file.
3998 (set_multilib_dir): Use it.
3999 (print_multilib_info): Likewise.
4000 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
4001 to pass to genmultilib.
4003 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4005 * builtins.c (built_in_class_names, built_in_names): Constify a
4008 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
4010 (_mcleanup): Ensure value matches format specifier in sprintf.
4012 * cpphash.c (special_symbol): Don't needlessly cast away
4015 * cppinit.c (base_name): Delete unused prototype.
4017 * mkdeps.c (deps_init): Make definition K&R safe.
4019 * tree.h (built_in_class_names, built_in_names): Constify a
4022 2000-03-06 Jakub Jelinek <jakub@redhat.com>
4024 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
4025 floating point instructions for epilogue delay.
4027 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
4028 to gas if it supports .register pseudo.
4030 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
4031 LONG_DOUBLE_TYPE_SIZE if not defined.
4032 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
4033 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
4035 * gengenrtl.c: Likewise.
4036 * print-rtl.c: Likewise.
4038 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
4039 MASK_LONG_DOUBLE_128.
4040 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
4041 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
4042 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
4043 (SUBTARGET_SWITCHES): Define.
4044 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
4045 with -mlong-double-128.
4046 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
4047 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4048 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
4049 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
4050 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
4051 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
4052 with -mlong-double-128.
4053 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
4054 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4055 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
4056 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
4057 TARGET_LONG_DOUBLE_128): Define.
4058 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
4059 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
4060 long double on TARGET_ARCH64.
4062 2000-03-06 Mark Mitchell <mark@codesourcery.com>
4064 * function.c (free_temps_for_rtl_expr): Don't free slots
4065 that have been pushed into a higher level.
4068 2000-03-05 Mark Mitchell <mark@codesourcery.com>
4070 2000-03-05 Mark Mitchell <mark@codesourcery.com>
4072 * basic-block.h (ALLOCA_REG_SET): Remove.
4073 (INITIALIZE_REG_SET): New macro.
4074 * flow.c (update_life_info): Use it.
4075 (calculate_global_regs_live): Likewise.
4076 (propagate_block): Likewise.
4077 * global.c (build_insn_chain): Likewise.
4078 * haifa-sched.c (schedule_region): Likewise.
4080 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
4082 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
4083 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
4084 (DWARF_ARANGES_PAD_SIZE): New define.
4085 (output_aranges): Use it to pad the address range header.
4086 (DWARF_ROUND): Fix for non power of 2 rounding.
4088 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
4090 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
4092 2000-03-05 Mark Mitchell <mark@codesourcery.com>
4094 * tree.def (RTL_EXPR): Update documentation.
4095 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
4096 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
4097 * function.c (preserve_rtl_expr_temp): New function.
4098 (preserve_rtl_expr_temps): Likewise.
4099 (preserve_rtl_expr_result): Use it.
4102 2000-03-04 Mark Mitchell <mark@codesourcery.com>
4104 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
4106 * regmove.c (copy_src_to_dest) Do not create src->dest move
4107 for unchanging destination.
4109 2000-03-04 Mark Mitchell <mark@codesourcery.com>
4111 * function.h (struct sequence_stack): Remove rtl_expr.
4112 (struct emit_staus): Likewise.
4113 (seq_rtl_expr): Remove.
4114 * tree.h (free_temps_for_rtl_expr): Don't declare.
4115 (start_sequence_for_rtl_expr): Likewise.
4116 * rtl.h (preserve_rtl_expr_result): Likewise.
4117 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
4118 (start_sequence_for_rtl_expr): Remove.
4119 (push_topmost_sequence): Don't save sequence_rtl_expr.
4120 (pop_topmost_sequence): Remove comment about not restoring it.
4121 (end_sequence): Don't set seq_rtl_expr.
4122 (init_emit): Don't initialize it.
4123 (mark_sequence_stack): Don't mark it.
4124 (mark_emit_status): Likewise.
4125 * except.c (protect_with_terminate): Use
4126 start_sequence_for_rtl_expr, not start_sequence.
4127 * expr.c (expand_expr, case RTL_EXPR): Don't call
4128 preserve_rtl_expr_result or free_temps_for_rtl_expr.
4129 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
4130 (preserve_rtl_expr_result): Remove.
4131 (free_temps_for_rtl_expr): Likewise.
4132 (pop_temp_slots): Likewise.
4133 (mark_temp_slot): Don't mark the rtl_expr.
4134 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
4135 start_sequence_for_rtl_expr.
4137 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
4139 * mkdeps.c, mkdeps.h: New files.
4140 * po/POTFILES.in: Add them.
4141 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
4142 (cpplib.o, cppinit.o): Depend on mkdeps.h.
4143 (mkdeps.o): New target.
4145 * cppfiles.c: Delete deps_output.
4146 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
4147 OBJECT_SUFFIX, and base_name.
4148 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
4150 (initialize_dependency_output): Use deps_init,
4151 deps_add_target, deps_calc_target, and deps_add_dep. Remove
4152 all the unnecessary string bashing.
4153 (cpp_finish): Use deps_write. Remove an unnecessary nesting
4155 * cpplib.c (do_include): Use deps_add_dep.
4156 * cpplib.h (struct cpp_reader): Replace deps_buffer,
4157 deps_allocated_size, deps_size, deps_column members with
4158 single pointer to a struct deps. Delete prototype of
4161 * cppinit.c: Fix thinko in previous patch.
4163 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4165 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
4166 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
4167 (mode_for_size_tree): New function.
4168 (layout_decl, layout_type): Call it and clean up BLKmode checks.
4169 * tree.h (mode_for_size_tree): New declaration.
4171 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
4173 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
4175 * stmt.c (is_body_block): Move...
4176 * dwarfout.c, dwarf2out.c: ...from here.
4177 * tree.h: Declare it.
4178 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
4179 * final.c (final_start_function): Do call remove_unnecessary_notes
4182 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
4184 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
4186 * cpplib.h (_dollar_ok): New macro.
4187 (is_idchar, is_idstart): Use it.
4188 (IStable): Rename to _cpp_IStable. Declare it const if
4189 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
4190 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
4191 is_space): Update for renamed IStable.
4193 * cppinit.c: Delete all references to FAKE_CONST and CAT
4194 macros. Define init_IStable as empty macro if gcc >=2.7 or
4195 C99. Change TABLE() to ISTABLE and hardcode name of table.
4196 (cpp_start_read): Don't change the IStable based on
4199 * cpphash.c (unsafe_chars): Add pfile argument. All callers
4200 changed. Handle '$' for char1 correctly.
4201 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
4203 * cppexp.c (tokentab2): Make const.
4204 (cpp_lex): Make toktab const.
4205 * cppinit.c (include_defaults_array): Make const.
4206 (initialize_standard_includes): Make default_include const.
4208 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
4210 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
4211 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
4212 (gen_decl_die): Likewise.
4213 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
4214 (output_decl): Likewise.
4216 * varasm.c (make_function_rtl): If we change the name used in the
4217 rtl, update DECL_ASSEMBLER_NAME accordingly.
4218 (make_decl_rtl): Likewise.
4220 * toplev.c (rest_of_compilation): Tweak formatting.
4222 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
4223 remove_unnecessary_notes.
4224 (debug_ignore_block): New fn.
4225 * toplev.h: Declare it.
4226 * emit-rtl.c (remove_unncessary_notes): Call it.
4227 * dwarf2out.c (dwarf2out_ignore_block): New fn.
4228 * dwarf2out.h: Declare it.
4229 * final.c (final_start_function): Don't call remove_unnecessary_notes
4230 if we did insn scheduling.
4232 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
4234 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
4235 * cpplib.h: Delete SET_CPP_PEDANTIC.
4237 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4239 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
4240 result is a RECORD_TYPE.
4242 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
4244 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
4246 2000-03-03 Richard Henderson <rth@cygnus.com>
4248 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
4249 addition over compliments over shifts.
4251 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4253 * reload1.c (reload_combine_note_use): Handle return register USEs.
4254 REG case: Handle multi-hard-register hard regs.
4256 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4258 * md.texi: Document use of '*' in insn pattern name.
4260 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
4262 * calls.c (special_function_p): operator new may not be malloc-like.
4264 * gcse.c (dump_hash_table): Really fix error in last change.
4266 2000-03-02 Denis Chertykov <denisc@overta.ru>
4268 * avr.c (print_operand): Use print_operand_address instead of
4270 * avr/libgcc.S: Cleanup code.
4272 2000-03-02 Richard Henderson <rth@cygnus.com>
4274 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
4276 2000-03-02 Mark Mitchell <mark@codesourcery.com>
4278 * tree.h (TYPE_ALIGN_UNIT): New macro.
4280 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
4282 * i386.c: (constant_call_address_operand): Reject CONST_INT.
4284 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
4286 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
4288 (SET_CPP_PEDANTIC): New macro.
4289 * cpplib.c (do_include): Don't bother checking system_header_p.
4290 (do_warning, do_ident, do_assert, do_unassert): Likewise.
4291 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
4293 * function.h (struct expr_status): Add x_arg_space_so_far.
4294 (arg_space_so_far): New macro.
4295 * expr.c (init_expr): Initialize it.
4296 * calls.c (emit_call_1): Reset it.
4297 (compute_argument_block_size, expand_call): Use it.
4298 (expand_call, store_one_arg): Increment it.
4300 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4302 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
4305 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
4307 * cppfiles.c (cpp_read_file): New function.
4309 * cpphash.c (collect_expansion): Make sure to reset last_token
4310 to NORM when we hit a string. Handle trailing whitespace
4311 properly when the expansion is empty.
4312 (create_definition): Disable line commands while parsing the
4314 (dump_definition): If pfile->lineno == 0, output a line
4315 command ahead of the dump, and add a trailing newline.
4317 * cppinit.c (append_include_chain): Add fifth argument, which
4318 indicates whether or not system headers are C++ aware.
4319 (initialize_standard_includes): New function,
4320 broken out of read_and_prescan. Pass 'cxx_aware' value from
4321 the include_defaults_array on to append_include_chain.
4322 (dump_special_to_buffer): Const-ify char array.
4323 (builtin_array): Don't dump __BASE_FILE__.
4324 (cpp_start_read): Use cpp_read_file. Reorder code for
4325 clarity. Don't output line commands here for -D/-A/-U
4326 switches. Don't call deps_output for files included with
4327 -include or -imacros.
4329 * cpplib.c (do_define): Don't pay any attention to the second
4331 (cpp_expand_to_buffer): Disable line commands while scanning.
4332 (output_line_command): Work in the file buffer.
4333 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
4334 Fix formatting of comments. Prototype cpp_read_file.
4336 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4338 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
4339 reference the language-equivalent of sizetype.
4340 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
4341 * fold-const.c (size_binop, size_diffop): Put back checks.
4342 * gcse.c (dump_hash_table): Fix minor error in last change.
4343 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
4344 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
4347 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
4349 * calls.c (expand_call) Do not attempt to combine stack adjustments
4350 with inhibit_defer_pop set.
4352 2000-03-01 Mark Mitchell <mark@codesourcery.com>
4354 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
4355 the DECL_SIZE for a FIELD_DECL.
4357 2000-03-01 Bruce Korb <bkorb@gnu.org>
4359 * fixinc/inclhack.tpl: remove unused symlinks
4360 * fixinc/README: GCC Maintainer info
4361 * fixinc/inclhack.sh: regen
4362 * fixinc/fixincl.sh: regen
4364 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
4366 * cpphash.c (collect_expansion): Trim trailing white space
4367 from macro definitions, but don't go past the last insertion
4370 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
4372 * i386.md (mulqi3): New pattern.
4374 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
4376 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
4378 (struct cpp_reader): Add parsing_if_directive and
4379 parsing_define_directive flags.
4380 (struct cpp_options): Remove output_conditionals flag.
4381 (check_macro_name): Delete prototype.
4383 * cpphash.h (struct macrodef): Delete.
4384 (struct reflist): Separate from struct definition.
4385 (struct definition): Remove unused fields. Add column number.
4386 (create_definition): Returns a DEFINITION *. Takes a
4387 cpp_reader * and an int.
4389 * cpphash.c (SKIP_WHITE_SPACE): Delete.
4390 (PEEKC): Copy defn from cpplib.c.
4391 (rest_extension, REST_EXTENSION_LENGTH): Delete.
4393 (struct arglist): Simplify.
4394 (collect_expansion): Rewrite. Get tokens by calling
4395 cpp_get_token. Add more error checking.
4396 (collect_formal_parameters): New function, broken out of
4397 create_definition and reworked to use get_directive_token.
4398 (create_definition): All real work is now in collect_expansion
4399 and collect_formal_parameters. do_define handles finding the
4400 macro name. Return a DEFINITION, not a MACRODEF.
4401 (macroexpand): Replace bcopy with memcpy throughout. Replace
4402 character-at-a-time copy loop with memcpy and pointer increments.
4403 (compare-defs): d1->argnames / d2->argnames might be null.
4405 * cpplib.c (copy_rest_of_line): Delete function.
4406 (skip_rest_of_line): Do all the work ourselves.
4407 (skip_string): New function.
4408 (parse_string): Use skip_string.
4409 (get_macro_name): New function.
4410 (check_macro_name): Delete.
4411 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
4412 (cpp_skip_hspace): Use CPP_BUMP_LINE.
4413 (handle_directive): ICE if we're called on a macro buffer.
4414 (do_define): Determine macro name and type (funlike/objlike)
4415 here. Expunge all uses of MACRODEF.
4416 (cpp_push_buffer): Set line_base to NULL.
4417 (do_undef, read_line_number): Don't worry about getting a POP token.
4418 (eval_if_expression): Set/reset parsing_if_directive around
4419 cpp_parse_expr. Don't clear only_seen_white.
4420 (skip_if_group): Remove output_conditionals logic. Use
4422 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
4423 tokens under appropriate conditions.
4424 (cpp_unassert): Call do_unassert not do_assert. Oops.
4426 * cppexp.c (parse_defined): New function, break out of
4428 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
4429 ourselves, with cpp_defined.
4430 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
4432 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
4433 * gcc.dg/strpaste-2.c: New.
4435 2000-02-29 Mark Mitchell <mark@codesourcery.com>
4437 * fold-const.c (size_binop): Don't asert inputs are the same and
4438 have TYPE_IS_SIZETYPE set.
4439 (size_diffop): Likewise.
4441 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
4443 * dwarfout.c (output_block): Output abstract blocks even if they
4444 don't have TREE_ASM_WRITTEN set.
4446 * calls.c (emit_library_call): Check for null REG.
4448 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
4450 * c-decl.c (current_function_decl): Move to toplev.c.
4451 (init_decl_processing): Don't add current_function_decl as a ggc
4453 * dbxout.c (dbxout_symbol): Change return type to int.
4454 (dbxout_symbol_location, dbxout_syms): Likewise.
4455 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
4456 any locals. Use current_function_func_begin_label if set.
4457 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
4458 * dwarf2out.c (dwarf2out_begin_prologue): Set
4459 current_function_func_begin_label.
4460 * final.c (final_start_function): Reset it.
4461 * toplev.c (current_function_decl): Define it here.
4462 (current_function_func_begin_label): New variable.
4463 (main): Add both as ggc roots.
4464 * tree.h (current_function_func_begin_label): Declare.
4466 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4468 * gcse.c: Cleanups throughout: mostly white-space, but also
4469 some minor rearrangement of code.
4471 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
4473 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
4474 returns a PARALLEL. Use emit_group_load and use_group_regs
4476 (emit_library_call_value): Similarly.
4478 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
4479 * pa/quadlib.asm: Remove.
4480 * pa/quadlib.c: New file.
4482 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
4483 * configure: Rebuilt.
4485 2000-02-29 Philip Blundell <pb@futuretv.com>
4487 * config/arm/conix-elf.h: New file.
4488 * configure.in (arm*-*-conix*): New configuration.
4489 * configure: Regenerate.
4491 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
4493 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
4494 don't have TREE_ASM_WRITTEN set.
4496 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4498 * Eliminate DECL_FIELD_SIZE.
4499 * builtins.c (built_in_class_names, built_in_names): New variables.
4500 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
4501 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
4502 DECL_SIZE, not DECL_FIELD_SIZE.
4503 * print-tree.c (print_node): Remove code that prints extra blank
4504 lines in some cases.
4505 Properly handle inline and builtin function cases.
4506 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
4507 * tree.h (built_in_class_named, built_in_names): New declarations.
4508 (union tree_decl): Rename internal unions to u1 and u2 and change
4509 some of their components.
4510 Add new field built_in_class.
4511 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
4512 Reflect above changes.
4513 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
4514 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
4515 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
4516 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
4518 2000-02-28 Dmitri Makarov <dim@windriver.com>
4520 * extend.texi: Document ARM's support for long/short calls.
4522 * invoke.texi: Document ARM's -mlong-calls command line switch.
4524 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
4525 (arm_encode_call_attribute): Add prototype.
4526 (arm_set_default_type_attribute): Add prototype.
4527 (arm_strip_name_encoding): Add prototype.
4529 * config/arm/arm.c (arm_init_cumulative_args): replace
4530 initialisation og 'long_calls' field with initialisation of
4531 'call_cookie' field.
4532 (enum arm_pragma_enum): New enum.
4533 (arm_pragma_long_calls): New static variable.
4534 (arm_process_pragma): Also process "#pragma long_calls_off".
4535 (arm_valid_type_attribute_p): Accept short_call attribute.
4536 (arm_comp_type_attributes): Check long/short call attributes.
4537 (arm_encode_call_attribute): New function: Encode long_call
4538 or short_call attribute in function name.
4539 (arm_set_default_type_attributes): New function: Assign
4540 default attributes to newly defined type.
4541 (current_file_function_operand): New function: Return true if
4542 the symbol is a function which has already been compiled.
4543 (arm_is_longcall_p): New function: Return true if the
4544 indicated function should be called via a long call.
4545 (arm_get_strip_length): New function. Returns number of
4546 prefix characters to be stripped from a function's name.
4547 (arm_strip_name_encoding): New function. Strip prefix characters
4548 from a function's name.
4550 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
4552 (SHORT_CALL_FAG_CHAR): Define.
4553 (LONG_CALL_FAG_CHAR): Define.
4554 (ENCODED_SHORT_CALL_ATTR_P): Define.
4555 (ENCODED_LONG_CALL_ATTR_P): Define.
4556 (ARM_NAME_ENCODING_LENGTHS): Define.
4557 (STRIP_NAME_ENCODING): Define.
4558 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
4559 (ARM_ENCODE_CALL_TYPE): Define.
4560 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
4561 (ARM_DECLARE_FUNCTION_SIZE): Define.
4562 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
4564 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
4565 if a long call is needed.
4566 (call_value): Ditto.
4567 (call_symbol): Ditto.
4569 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
4570 ARM_DECLARE_FUNCTION_SIZE.
4572 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
4573 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
4574 (ARM_STRIP_NAME_ENCODING): Undefine.
4575 (STRIP_NAME_ENCODING): Undefine.
4576 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
4577 (ASM_DECLARE_FUNCTION_NAME): Ditto.
4578 (ASM_OUTPUT_COMMON): Ditto.
4579 (ASM_DECLARE_OBJECT_NAME): Ditto.
4581 * config/arm/pe.c (arm_dllexport_name_p): Check for
4583 (arm_dllimport_name_p): Ditto.
4584 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
4585 (arm_mark_dllimport): Ditto.
4587 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4589 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
4591 2000-02-28 Mark Mitchell <mark@codesourcery.com>
4593 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
4595 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
4597 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
4598 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
4599 NO_BUILTIN_WCHAR_TYPE is not defined.
4600 (CPP_WCHAR_TYPE): Delete.
4601 * cccp.c (main): Don't change wchar_type if cplusplus.
4602 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
4604 2000-02-28 Nick Clifton <nickc@cygnus.com>
4606 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
4608 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
4610 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
4611 (ASM_WEAKEN_LABEL): Define.
4613 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
4615 * expr.c (store_constructor): Do not emit USE.
4616 * rtl.h (stupid_life_analysis): Remove.
4618 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4620 * function.c (number_blocks): Reset next_block_index based on
4621 what debugging format is used, not what is defined.
4623 * lcm.c: Minor reformatting throughout.
4624 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
4626 * toplev.c (rest_of_compilation): Account for time in
4627 optimize_mode_switching.
4629 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
4630 if only marking labels.
4632 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
4634 * calls.c (expand_call): Attempt to combine stack adjustments with
4635 pending stack adjustments.
4637 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4639 * loop.c (reg_in_basic_block_p): Don't abort when falling through
4640 to the end of the function.
4642 2000-02-27 Mark Mitchell <mark@codesourcery.com>
4644 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
4646 * final.c (next_block_index): Remove.
4647 (max_block_depth): Likewise.
4648 (pending_blocks): Likewise.
4649 (init_final): Don't initialize them.
4650 (final_start_function): Don't set next_block_index. Set up
4652 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
4653 * function.h (number_blocks): New function.
4654 * function.c (get_block_vector): New function.
4655 (identify_blocks): Use it.
4656 (reorder_blocks): Set NOTE_BLOCK.
4657 (number_blocks): New function.
4658 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
4659 * tree.h (BLOCK_NUMBER): New macro.
4660 (tree_block): Add block_num field.
4661 * dbxout.c (next_block_number): Remove.
4662 (dbxout_init): Don't set it.
4663 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
4664 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
4666 * toplev.c (rest_of_compilation): Always call
4667 find_loop_tree_blocks. Fix indentation.
4668 * dwarf2out.c (next_block_number): Remove.
4669 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
4670 to determine block numbers.
4671 (gen_inlined_subroutine_die): Likewise.
4672 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
4673 (decls_for_scope): Don't increment next_block_number.
4674 * dwarfout.c (next_block_number): Remove.
4675 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
4676 to determine block numbers.
4677 (output_inlined_subroutine_die): Likewise.
4678 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
4679 (output_decls_for_scope): Don't increment next_block_number.
4680 * sdbout.c (next_block_number): Remove.
4681 (sdbout_block): Use BLOCK_NUMBER.
4682 (sdbout_begin_block): Simplify.
4683 * xcoffout.c (next_block_number): Remove.
4684 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
4685 (xcoffout_begin_block): Don't set next_block_number.
4686 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
4689 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4691 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
4692 (expand_builtin_strcpy): Pass correct type to size_binop.
4693 (expand_builtin_strcmp): Likewise.
4694 Clean up conditional structure.
4695 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
4696 (complete_array_type): Don't use size_binop for MAXINDEX.
4697 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
4698 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
4699 (c_alignof): Use size_one_node.
4700 (build_unary_op): Pass arg of proper type to size_binop.
4701 (really_start_incremental_init, push_init_level): Use sizetype for
4702 constructor{,_bit,_unfilled}_index.
4703 (pop_init_label, output_init_element): Likewise.
4704 (output_pending_init_elements, process_init_element): Likewise.
4705 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
4706 * expr.c (store_expr): Use size_int.
4707 (store_constructor): Use proper types for size_binop args.
4708 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
4709 (expand_expr_unaligned): Likewise.
4710 (string_contant): Return object of sizetype.
4711 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
4712 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
4713 (ARGS_SIZE_TREE): Pass proper types to size_binop.
4714 * fold-const.c (int_const_binop): Refine when size_int is called.
4715 (fold_convert): Likewise.
4716 (size_int_wide): Rework to take KIND as arg, only take low order
4717 bits, handle new sizetype_tab datatype, and chain entries in
4719 (size_int_type_wide): New function.
4720 (size_binop): Validate types of arguments.
4721 (ssize_binop): Deleted.
4722 (size_diffop): New function.
4723 (extract_muldiv): Only fold division into multiplication for sizetypes.
4724 * function.c (assign_parms): Use size_diffop and make sure
4725 VAR field is of ssizetype; also pass proper type to size_binop.
4726 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
4727 (round_down): Deleted from here.
4728 * store-layout.c (sizetype_tab): Now an array.
4729 (sizetype_set, early_root_list): New variables.
4730 (variable_size): Use size_one_node.
4731 (round_up): Pass proper type to size_binop.
4732 (round_down): Moved to here and corrected as above.
4733 (layout_record): Pass proper arg types to size_binop.
4734 (layout_type): Likewise.
4735 If sizetype_set is zero, record the type just laid out.
4736 (make_unsigned_type): Don't call set_sizetype;
4737 (make_signed_type): Likewise; also, call fixup_signed_type.
4738 (initialize_sizetypes): New function.
4739 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
4740 set name of bitsizetype to "bit_size_type".
4741 Fix up type of sizes of all types made before call.
4742 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
4743 * tree.c (fix_sizetype): Deleted.
4744 (build_common_tree_nodes): Call initialize_sizetypes.
4745 (build_common_tree_nodes_2): Don't call fix_sizetype.
4746 * tree.h (TYPE_IS_SIZETYPE): New macro.
4747 (initialize_sizetype): New declaration.
4748 (enum size_type_kind): New type.
4749 (struct sizetype_tab): Deleted.
4750 (sizetype_tab): Now array; adjust sizetype macros.
4751 (size_diffop, size_int_type_wide): New functions.
4752 (size_int_wide): Change number of args and type; access macros changed.
4753 (ssize_int, sbitsize_int): New macros.
4754 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
4755 (ROUND_TYPE_SIZE_UNIT): New macro.
4757 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
4759 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
4761 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4763 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
4764 Mark as possibly unused.
4766 * cse.c (cse_insn): Delete dead code involving tablejump.
4767 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
4769 * Makefile.in (libcpp.a): Start by deleting it.
4771 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4773 * cpplib.h (enum file_change_code): Added rename_file.
4774 * cpplib.c (do_line): If a filename is given, set file_change to
4776 (output_line_command): If file_change is rename_file, always
4777 output a # directive with the file name.
4779 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
4781 2000-02-26 Mark Mitchell <mark@codesourcery.com>
4783 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
4784 when copying a PARM_DECL or RESULT_DECL.
4786 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4788 * fix-header.c (recognized_function): Also fix prototypes for
4789 functions taking "void".
4791 2000-02-26 Geoff Keating <geoffk@cygnus.com>
4793 * reload1.c (do_output_reload): Check reg_reloaded_valid before
4794 looking at reg_reloaded_contents.
4796 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
4798 * Makefile.in (STMP_FIXINC): New toggle.
4799 (LIBGCC2_DEPS): Delete all references.
4800 (stmp-headers): Delete target. All references either deleted
4801 or changed to stmp-int-headers.
4802 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
4803 (LIBCPP_OBJS): Take out cppalloc.o.
4804 (cppalloc.o): Delete target.
4805 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
4806 (gen-protos, fix-header): Link with libiberty.a.
4807 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
4810 * configure.in: Remove refs to strerror.
4811 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
4812 * system.h: Take out strerror stanza.
4814 * cpperror.c (my_strerror): Delete function.
4815 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
4816 * cppmain.c (main): Call xmalloc_set_program_name first thing.
4817 * cppalloc.c: Delete file.
4818 * gen-protos.c: Don't provide xrealloc.
4820 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
4821 xstrerror throughout.
4823 2000-02-26 Bruce Korb <bkorb@gnu.org>
4825 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
4826 match for DOS headers, too.
4827 * fixinc/inclhack.sh,fixincl.x: Regenerate.
4829 2000-02-26 Geoff Keating <geoffk@cygnus.com>
4831 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
4832 is right for most ELF targets.
4833 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
4834 Let the default file use %U properly.
4835 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
4838 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
4841 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4843 * toplev.c (documented_lang_options): Correct spelling error.
4844 (decode_d_option, decode_f_option, main): Likewise.
4846 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
4848 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
4849 to tell assembler it is permitted to expand large constants.
4851 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
4853 * protoize.c: (AUX_INFO_SUFFIX): New macro.
4854 (aux_info_suffix): Use.
4855 (SAVE_SUFFIX): New macro.
4857 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
4858 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
4859 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
4861 * invoke.texi (Running Protoize): Update documentation.
4863 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
4865 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
4867 2000-02-25 John Wehle (john@feith.com)
4869 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
4871 2000-02-25 Anthony Green <green@cygnus.com>
4873 * toplev.c (rest_of_compilation): Rebuild jump labels if
4874 combine_instructions has created a new direct jump.
4875 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
4877 (combine_instructions): Call try_combine with new argument.
4878 Return non-null value when new direct jump instruction is created.
4879 * rtl.h: combine_instructions returns an int.
4881 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
4883 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
4884 jump when changing a computed jump into a jump to a known
4887 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
4889 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
4890 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
4892 * i386.md (define_expand "clrstrsi"): Fix typo.
4894 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
4896 * rtl.texi: Fix typo.
4898 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4900 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
4901 UNITS_PER_WORD. Change caller initial_elimination_offset.
4902 (rounded_frame_size): Take into account that argument pushed has
4903 changed. Fix TARGET_ALIGN_DOUBLE problem.
4905 2000-02-25 Geoff Keating <geoffk@cygnus.com>
4907 * haifa-sched.c (schedule_block): Explain the real reason
4908 we delete REG_SAVE_NOTEs on the first insn of a block.
4909 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
4911 2000-02-24 Mark Mitchell <mark@codesourcery.com>
4913 * input.h (push_srcloc): New function.
4914 (pop_srcloc): Likewise.
4915 * toplev.c (push_srcloc): Define it.
4916 (pop_srcloc): Likewise.
4918 2000-02-24 Richard Henderson <rth@cygnus.com>
4920 * flow.c (life_analysis): When collecting reg info, clear
4923 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4925 Fix bug exposed by reload.c no longer rounding the frame
4926 size to BIGGEST_ALIGNMENT:
4927 * sh.c (rounded_frame_size): New function.
4928 (sh_expand_prologue, sh_expand_epilogue): Use it.
4929 (initial_elimination_offset): Likewise.
4931 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4933 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
4934 * sh-protos.h (sh_need_epilogue): Declare.
4935 * sh.c (sh_need_epilogue_known): New static variable.
4936 (sh_need_epilogue): New function.
4937 (function_epilogue): Clear need_epilogue_known.
4938 * sh.md (return): Split into expander / insn pattern.
4939 Make the expander conditional on ! sh_need_epilogue ().
4941 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
4943 * machmode.h (get_mode_alignment): Declare.
4944 (GET_MODE_ALIGNMENT): Call it.
4945 * stor-layout.c (get_mode_alignment): New function. Make
4946 sure alignment is always power of 2.
4948 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4950 * i386.h: Remove useless definition of "I386" and misleading
4953 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4955 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
4956 under which TREE_PERMANENT will be set.
4957 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
4958 build1): Use TREE_SET_PERMANENT.
4959 * print-tree.c (print_node): Don't report value of
4960 TREE_PERMANENT if ggc_p is true.
4962 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
4963 decide whether to give a type a new alias set.
4964 * objc/objc-act.c (build_objc_string_object): Never copy the string.
4965 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
4966 of value of 'obstack'.
4969 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4971 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
4973 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4975 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
4976 * cpplib.c (cpp_get_token): Produce them.
4977 * cppexp.c (cpp_lex): Handle them.
4979 2000-02-23 Nick Clifton <nickc@cygnus.com>
4981 * config/arm/arm.c (arm_comp_type_attributes): Simply and
4982 comment tests on type attributes.
4984 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4986 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
4987 conform to documentation.
4988 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
4989 to check for special cases.
4990 * sh-protos.h (sh_loop_align): Declare.
4991 * sh.c (sh_loop_align): Define.
4993 2000-02-22 Andrew Haley <aph@cygnus.com>
4995 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
4996 (SIZE_TYPE): Is 32 bits when using -mgp32.
4997 (PTRDIFF_TYPE): Ditto.
4999 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5001 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
5003 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5005 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
5006 BIGGEST_FIELD_ALIGNMENT a constant.
5008 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
5010 * dwarf2out.c (output_line_info): Put the marker for the end of
5011 the line number info at the actual end.
5012 (gen_struct_or_union_type_die): Use decl_function_context
5013 to check for local classes.
5014 * dwarfout.c (output_type): Likewise.
5016 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
5018 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
5019 for arguments with a mode, but no type.
5020 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
5021 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
5022 * pa/long_double.h: New file.
5023 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
5024 both have 128bit wide long doubles.
5025 * configure: Rebuilt.
5027 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5029 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
5031 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
5032 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
5033 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
5035 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
5037 * integrate.c (compare_blocks, find_block): Likewise.
5039 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
5041 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
5043 * stmt.c (stmt_status, set_file_and_line_for_stmt,
5044 expand_asm_operands): Likewise.
5046 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
5048 * predict.c (estimate_probability): Added the pointer heuristic to
5049 the collection of static branch predictors.
5051 2000-02-21 Catherine Moore <clm@cygnus.com>
5053 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
5054 * invoke.texi (-mfix7000): Document.
5056 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
5058 * diagnostic.c (init_output_buffer): Make it possible to output at
5059 least 32 characters if we're given a too long prefix.
5061 2000-02-20 Mark Mitchell <mark@codesourcery.com>
5063 * varasm.c (initializer_constant_valid_p): Call
5064 lang_expand_constant to simplify the constant.
5066 2000-02-20 Bruce Korb <bkorb@gnu.org>
5068 * fixinc/inclhack.def(stdio_va_list):
5069 typedef needs to be disabled.
5070 * fixinc/inclhack.sh: regen
5071 * fixinc/fixincl.x: regen
5073 2000-02-20 Geoff Keating <geoffk@cygnus.com>
5075 * print-rtl.c (print_rtx): Don't print addresses when
5076 flag_dump_unnumbered.
5078 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5080 * sparc.c (sparc_output_scratch_registers): Mark parameter with
5082 (sparc_va_arg, sparc_flat_output_function_prologue,
5083 sparc_flat_output_function_epilogue): Cast value to unsigned in
5085 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
5087 * sparc.md: Add default case in switch.
5089 2000-02-19 Richard Henderson <rth@cygnus.com>
5091 * c-typeck.c (add_pending_init): Don't abort for multiple
5092 fields at the same offset.
5093 (pending_init_member): Test the correct member.
5095 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5097 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
5099 (start_catch_handler) : Same.
5101 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
5103 * Makefile.in: Have flow.o depend on $(EXPR_H)
5105 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5107 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
5108 * c-decl.c (duplicate_decls, finish_enum): Likewise.
5109 (finish_decl): Remove -Wlarger-than code from here.
5110 * flags.h (id_clash_len): Now int.
5111 (larger_than_size): Now HOST_WIDE_INT.
5112 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
5113 Clean up checking to see if in table.
5114 (make_bit_field_ref): Remove extra parm to bitsize_int.
5115 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
5116 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
5117 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
5118 and for computing size of decl.
5119 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
5120 Move -Wlarger-than code to here.
5121 (layout_record): Remove extra arg to bitsize_int.
5122 Set TYPE_BINFO_SIZE_UNIT.
5123 (layout_union): Remove extra arg to bitsize_int.
5124 Use proper type for size of QUAL_UNION.
5125 (layout_type): Remove extra arg to bitsize_int.
5126 * toplev.c (id_clash_len): Now int.
5127 (larger_than_size): Now HOST_WIDE_INT.
5128 (decode_W_option): Clean up id-clash and larger-than- cases.
5129 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
5130 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
5131 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
5132 (struct tree_decl): New field size_unit.
5133 (size_int_wide): No HIGH operand; NUMBER is now signed.
5134 (size_int_2): Deleted.
5135 (size_int, bitsize_int): Don't use it and rework args.
5136 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
5138 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
5140 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
5142 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5144 * invoke.texi (Warning Options): Add an explanation of why
5145 you might want the -Wfloat-equal flag.
5147 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5149 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
5150 * cppinit.c (new_pending_define): Add cast to avoid warning.
5151 * expmed.c (extract_bit_field): Likewise.
5152 * flow.c (enum reorder_skip_type): New type.
5153 (skip_insns_between_blcok): New it.
5154 Rework to avoid warning about possibly undefined variable.
5155 * function.c (assign_parms): Make thisparm_boundary unsigned.
5156 * genrecog.c (write_switch): Cast XWINT result to int.
5157 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
5158 * mips-tfile.c (init_file): Make two versions of FDR intializer:
5159 one for MIPS and one for Alpha.
5160 (get_tag, copy_object): Add casts to avoid warnings.
5161 * optabs.c (init_one_libfunc): Cast NAME to (char *).
5162 * reload.c (find_reloads): Make TYPE enum reload_type.
5163 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
5164 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
5165 * varasm.c (compare_constant_1): Add cast to avoid warning.
5166 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
5168 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
5169 Cast switch operand of size to int.
5170 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
5171 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
5174 2000-02-18 Nick Clifton <nickc@cygnus.com>
5176 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
5177 anything for an alignment of zero.
5179 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
5180 anything for an alignment of zero.
5182 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
5184 * gcc.texi (Bug Reporting): Refer to bugs.html.
5185 (Bug Lists): Likewise.
5186 * system.h (GCCBUGURL): New preprocessor define.
5187 * rtl.c (fancy_abort): Use it.
5188 * gcc.c (main): Likewise.
5190 2000-02-18 Richard Henderson <rth@cygnus.com>
5192 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
5193 (life_analysis_1): Subsume into ...
5194 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
5195 Use update_life_info for the relaxation.
5196 (update_life_info): Update REG_BASIC_BLOCK for registers live on
5197 entry and regs_live_at_setjmp.
5198 (set_noop_p): Simplify.
5199 (notice_stack_pointer_modification_1): Renamed from s/_1//.
5200 (record_volatile_insns): Split into ...
5201 (delete_noop_moves): ... here,
5202 (notice_stack_pointer_modification): ... here,
5203 (insn_dead_p): ... and here.
5204 (propagate_block): Don't query INSN_VOLATILE.
5205 (mark_used_regs): Mind !PROP_REG_INFO.
5206 * toplev.c (rest_of_compilation): Call mark_constant_function here,
5207 not in life_analysis.
5209 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
5211 * loop.c (canonicalize_condition): New function,
5212 broken out of get_condition.
5213 (get_condition): Use it.
5214 * expr.h (canonicalize_condition): Prototype it.
5216 * tree.h (tree_int_cst_msb): Declare.
5217 * tree.c (tree_int_cst_msb): New function.
5219 2000-02-17 Mark Mitchell <mark@codesourcery.com>
5221 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
5224 * invoke.texi (-fmessage-length=n): Document.
5226 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
5228 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
5230 2000-02-17 Mark Mitchell <mark@codesourcery.com>
5232 * function.c (thread_prologue_and_epilogue_insns): Put a line note
5235 2000-02-17 Nick Clifton <nickc@cygnus.com>
5237 * config/arm/thumb.c: Replace includes of system headers with
5238 #include "system.h".
5240 2000-02-16 Richard Henderson <rth@cygnus.com>
5242 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
5243 Add crtbeginS.o and crtendS.o.
5244 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
5245 (ENDFILE_SPEC): Use crtendS.o.
5246 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
5248 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
5249 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
5251 (__dso_handle): New variable.
5252 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
5253 bias to __CTOR_END__.
5255 2000-02-16 Richard Henderson <rth@cygnus.com>
5257 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
5259 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
5261 * longlong.h (__clz_tab): Declare as static to match definition.
5263 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
5264 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
5265 (XREF_FILE_NAME): Define.
5267 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
5268 (EH_FRAME_SECTION_ASM_OP): Define.
5269 (IDENT_ASM_OP): Define.
5270 (TEXT_SECTION_ASM_OP): Define.
5272 (CTORS_SECTION_ASM_OP): Define.
5273 (CTOR_SECTION_FUNCTION): Use it.
5274 (DTORS_SECTION_ASM_OP): Define.
5275 (DTOR_SECTION_FUNCTION): Use it.
5277 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
5279 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
5282 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
5283 debug_bb_n): New functions.
5284 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
5285 * basic-block.h: Prototype new functions.
5287 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
5289 * configure.in: Add support for avr target.
5290 * configure: Rebuilt.
5292 * invoke.texi: Add AVR invocation docs.
5293 * install.texi: Add information about AVR.
5294 * md.texi: Add AVR constraint letters description.
5295 * extend.texi: Add description for AVR specific attributes.
5297 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
5299 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
5301 2000-02-16 Nick Clifton <nickc@cygnus.com>
5303 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
5304 (make_insn_raw): Move RTL check here.
5306 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5308 * version.c: Include gansidecl.h and version.h.
5310 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
5312 * configure.in (gcc_version): When setting, narrow search to
5313 lines containing `version_string'.
5315 * Makefile.in (mainversion): Likewise.
5316 (GCC_H): New variable.
5317 (gcc.h): Delete target.
5318 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
5319 (version.o): Depend on version.h.
5320 (dbxout.o): Don't depend on gcc.h.
5322 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
5323 Michael Meissner <meissner@cygnus.com>
5325 * md.texi (Simple Constraints): Add item about whitespace.
5326 * genoutput.c (strip_whitespace): New.
5327 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
5328 strip_whitespace for constraints.
5329 Test pointer using NULL, not 0.
5331 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5333 * cpplib.c (do_line): Pedwarn for #line > 32767.
5335 * c-lex.c (readescape): Warn about '\x', but do not reject it.
5337 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
5339 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
5340 to default cpp spec.
5341 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
5342 * cpp.texi: Document __GNUC_PATCHLEVEL__.
5345 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
5348 2000-02-15 Denis Chertykov <denisc@overta.ru>
5350 * configure.in: Add support for avr target.
5352 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5354 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
5355 (sh_addr_diff_vec_mode): Don't declare.
5356 * sh.c (sh_addr_diff_vec_mode): Delete.
5358 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5360 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
5362 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5364 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
5365 (smulsi3_highpart_i): Name.
5366 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
5367 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
5368 (smulsi3_highpart, umulsi3_highpart): Likewise.
5370 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
5371 correctly independent of endianness.
5372 (mulsidi3, umulsidi3): Now define_insn. Hide details that
5373 confuse the optimizers.
5374 (mulsidi3+1, umulsidi3+1): New define_split.
5376 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
5378 * config/sh/sh.md: Guard insn splits against illegal registers.
5379 * config/sh/sh.h: Correct comment about macros.
5381 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5382 Andrew MacLeod <amacleod@cygnus.com>
5384 * Makefile.in (lcm.o): Depend on insn-attr.h.
5385 * basic-block.h (optimize_mode_switching): Declare.
5386 * lcm.c (tm_p.h, insn-attr.h): #include.
5387 (seginfo, bb_info): New structs.
5388 (antic, transp, comp, delete, insert) : New file-scope static variables.
5389 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
5390 (reg_becomes_live, optimize_mode_switching): Likewise.
5391 * tm.texi: Add description of mode switching macros.
5392 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
5394 * sh-protos.h (remove_dead_before_cse): Remove prototype.
5395 (fldi_ok, fpscr_set_from_mem): New prototypes.
5396 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
5397 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
5398 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
5399 (sh_flag_remove_dead_before_cse): Remove declaration.
5400 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
5401 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
5402 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
5403 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
5404 (barrier_align): Allow for JUMP_INSNS containing a parallel.
5405 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
5406 (fldi_ok): New function.
5407 (get_fpscr_rtx): Add fpscr_rtx as GC root.
5408 (emit_sf_insn): Only generate fpu switches when optimize < 1.
5409 (emit_df_insn): Likewise.
5410 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
5411 (sh_flag_remove_dead_before_cse): Delete.
5412 (get_free_reg, fpscr_set_from_mem): New functions.
5413 * sh.md (movdf, movsf): Remove no_new_pseudos code.
5414 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
5416 2000-02-15 Loren Rittle <ljrittle@acm.org>
5418 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
5420 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5422 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
5423 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
5425 * cccp.c: Include version.h and/or don't declare `version_string'.
5426 * collect2.c: Likewise.
5427 * alpha.c: Likewise.
5428 * arm/aof.h: Likewise.
5429 * arm/coff.h: Likewise.
5430 * arm/elf.h: Likewise.
5431 * arm/pe.h: Likewise.
5432 * arm/tcoff.h: Likewise.
5433 * arm/telf.h: Likewise.
5434 * arm/tpe.h: Likewise.
5435 * arm/vxarm.h: Likewise.
5436 * convex/convex.c: Likewise.
5437 * i386/dgux.c: Likewise.
5438 * i386/sun386.h: Likewise.
5439 * m88k/m88k.c: Likewise.
5440 * mcore/mcore-pe.h: Likewise.
5441 * mips/mips.h: Likewise.
5442 * romp/romp.h: Likewise.
5443 * sh/sh.c: Likewise.
5444 * cpphash.c: Likewise.
5445 * cppinit.c: Likewise.
5446 * dwarf2out.c: Likewise.
5447 * dwarfout.c: Likewise.
5450 * mips-tfile.c: Likewise.
5451 * protoize.c: Likewise.
5452 * toplev.c: Likewise.
5455 * version.c (version_string): Constify a char*.
5457 * version.h: New file.
5459 2000-02-14 Nick Clifton <nickc@cygnus.com>
5461 * configure.in: Add mcore-elf and mcore-pe targets.
5462 * configure: Regenerate.
5464 * NEWS: Add note that MCore port has been contributed.
5466 * invoke.texi: Document command line switches for MCore port.
5467 * install.texi: Add MCore to list of supported targets.
5469 2000-02-14 Geoff Keating <geoffk@cygnus.com>
5471 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
5472 then we will need to import the frame handling functions.
5473 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
5474 to import the frames themselves.
5476 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
5477 Jason Eckhardt <jle@cygnus.com>
5479 * basic_block.h: Added prototype for reorder_basic_blocks.
5480 * toplev.c: Changes to add -freorder-blocks and graph dump after
5481 block reordering is done.
5482 * flow.c (reorder_block_def): New structure for use during block
5484 (REORDER_BLOCK_*): New macros to access members of above structure.
5485 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
5486 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
5487 functions for block reordering.
5489 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
5491 * gcc.texi (Passes): Fix typo.
5492 * md.texi (Standard Names): Ditto.
5493 * tm.texi (Storage Layout): Ditto.
5495 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
5497 * cpplib.c (do_define): Only free the old definition if it
5500 2000-02-13 Neil Booth <NeilB@earthling.net>
5502 * cppfiles.c (read_and_prescan): When emitting deferred
5503 newlines, test speccase[] again instead of checking each
5504 possible whitespace character in turn. When we encounter \r,
5505 look behind for \n first, then ahead.
5507 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
5509 * cse.c (cse_altered): New internal flag.
5510 (cse_insn): Set it if we changed an insn.
5511 (cse_main): Clear cse_altered before each basic block.
5512 Only garbage collect if cse_altered is true afterward.
5514 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5516 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
5518 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
5520 * combine.c (simplify_comparison): Fix typo.
5522 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
5524 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
5527 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5529 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
5530 previously inserted node instead of root node. Caller changed.
5532 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5534 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
5536 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5538 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
5539 __dereg_frame_dtor): Add prototype argument.
5541 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
5543 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
5545 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
5547 * gthr-vxworks.h (__gthread_once): Likewise.
5549 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
5551 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
5553 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
5554 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
5555 stack pointer in functions w/o saved registers, output LEAVE more often
5556 on TARGET_USE_LEAVE machines.
5558 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
5560 * config/arm/arm.c (arm_init_cumulative_args); New function:
5561 Initlaise the CUMULATIE_ARGS strcuture for a function
5563 (arm_function_arg): New function: Determine where to place a
5564 function's argument. Also handles deciding the function's
5566 (current_file_function_operand): New function: Return true if
5567 the symbol is a function which has already been compiled.
5568 (arm_is_long_call_p): New function: Return true if the
5569 indicated function should be called via a long call.
5570 (arm_valid_type_attribute_p): New function: Return true if the
5571 attribute is a valid, arm specific, attribute.
5572 (arm_comp_type_attribute): New function: Return true if the
5573 two types have compatable, arm specific, attributes.
5575 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
5577 (FUNCTION_ARG): Redefine to call arm_function_arg.
5578 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
5580 (INIT_CUMULATIVE_ARGS): Redefine to call
5581 arm_init_cumulative_args.
5582 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
5584 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
5586 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
5588 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
5589 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
5590 (COMP_TYPE_ATTRIBUTES): Define.
5592 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
5593 if a long call is needed.
5594 (call_value): Call arm_is_long_call_p to decide if a long call
5596 (call_symbol): Call arm_is_long_call_p to decide if a long call
5599 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
5601 2000-02-11 Denis Chertykov <denisc@overta.ru>
5603 * README.AVR: New file with information about the avr ports.
5604 * config/avr: New directory with avr port files.
5606 2000-02-11 Andreas Jaeger <aj@suse.de>
5608 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
5610 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
5612 * cpphash.c: Fix formatting, update commentary.
5613 (dump_definition): Take three separate arguments instead of a
5614 MACRODEF structure argument.
5615 * cpphash.h: Update prototype of dump_definition.
5616 * cppinit.c (cpp_finish): Update call of dump_definition.
5618 * cpplib.c (do_define): Always create new hash entry with
5619 T_MACRO type. Remove redundant check for redefinition of
5620 poisoned identifier. Update call of dump_definition.
5621 (do_undef): Don't call check_macro_name. Rename sym_length to
5623 (do_error, do_warning): Don't use copy_rest_of_line or
5625 (do_warning): Don't use pedwarn for the actual warning,
5626 only the notice about its not being in the standard. (Fixes
5627 bug with #warning in system headers.)
5628 (do_ident): Stricter argument checking - accept only a single
5629 string after #ident. Also, macro-expand the line.
5630 (do_xifdef): Use cpp_defined. De-obfuscate.
5632 (do_pragma): Split out specific pragma handling to separate
5633 functions. Use get_directive_token. Update commentary. Do
5634 not pass on #pragma once or #pragma poison to the front end.
5635 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
5636 do_pragma_default): New.
5638 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
5640 * jump.c (jump_optimize_1): The first operand in a relational
5642 * optabs.c (emit_conditional_move): Handle relationals which
5643 have a known true/false result.
5645 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5647 * function.c (thread_prologue_and_epilogue_insns): Don't insert
5648 a RETURN insn into a block which already ends with a jump.
5650 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5652 * haifa-sched.c (BUF_LEN): Increase a lot.
5654 2000-02-11 Nick Clifton <nickc@cygnus.com>
5656 * configure.in: Add tm_p_file specification for thumb targets.
5657 * configure: Regenerate.
5659 * config/arm/thumb-protos.h: New file: Prototypes for exported
5660 functions defined in thumb.c.
5662 2000-02-11 Robert Lipe <robertl@sco.com>
5664 * Makefile.in (bootstrap-lean): Remove additional files.
5665 (bootstrap2-lean): Likewise.
5666 (VOL_FILES): List of files for above.
5668 2000-02-11 Nathan Sidwell <nathan@acm.org>
5670 * cpphash.c (special_symbol): Remove spurious argument to
5673 2000-02-11 Joel Sherrill (joel@OARcorp.com>
5675 * configure.in: (i*86-*-rtems*): Swapped elf and coff
5677 * configure: Rebuilt.
5679 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
5681 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
5683 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
5685 * pa.c, pa.h: Remove trigraph sequences within comments.
5687 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
5689 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
5691 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
5693 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
5695 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5697 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
5699 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5701 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
5702 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
5703 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
5704 (ASM_FILE_END): Use c4x_file_end.
5705 * config/c4x/c4x.c (c4x_global_label): New function.
5706 (c4x_external_ref, c4x_file_end): Likewise.
5708 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
5709 (c4x_external_ref, c4x_end_file): Likewise.
5711 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
5713 * cppexp.c: Don't include cpphash.h.
5714 (parse_charconst, cpp_lex): Use cpp_defined.
5715 (cpp_lex): Use get_directive_token throughout. Remove
5716 unnecessary cases from switch. Move assertion-handling code
5718 (cpp_parse_expr): If we see '+' or '-', check the context to
5719 determine if they are unary or binary operators. Streamline
5720 the jumps a bit. Do not call skip_rest_of_line.
5722 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
5723 static. Export get_directive_token. Update commentary.
5724 (cpp_defined): New function.
5725 (do_define): Remove reference to T_PCSTRING. Call
5726 free_definition to release memory for old definition, when
5728 (eval_if_expression): Set only_seen_white to 0 before calling
5729 cpp_parse_expr. Call skip_rest_of_line after it returns.
5730 (cpp_read_check_assertion): Don't preserve a pointer into the
5731 token buffer across a call to cpp_get_token.
5733 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
5734 * cppfiles.c (redundant_include_p): Use cpp_defined.
5735 * cpphash.c (free_definition): New function.
5736 (delete_macro): Use it. Update commentary.
5737 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
5739 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
5740 from enum node_type. Prototype cpp_defined and get_directive_token.
5741 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
5743 * fix-header.c (check_macro_names): Use cpp_defined.
5744 (read_scan_file): Set inhibit_warnings and inhibit_errors in
5745 the options structure.
5747 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5749 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
5751 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
5753 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
5754 rather than die->die_tag.
5756 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5758 * combine.c (make_extraction, force_to_mode): Avoid warning on
5759 mixed-signedness conditionals.
5760 (make_field_assignment, nonzero_bits): Likewise.
5761 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
5762 (store_split_bit_field, extract_split_bit_field): Likewise.
5763 (extract_fixed_bit_field, store_bit_field,
5764 * expr.c: Change alignment to be unsigned everywhere.
5765 (move_by_pieces, store_constructor_field, store_constructor):
5766 Alignment parm is unsigned.
5767 (emit_block_move, emit_group_load, emit_group_store): Likewise.
5768 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
5769 (do_compare_rtx_and_jump): Likewise.
5770 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
5771 Compare align with GET_MODE_ALIGNMENT.
5772 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
5773 (get_inner_reference): Likewise.
5774 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
5775 (expand_assignment): Local vars for alignment now unsigned.
5776 (store_constructor, store_field, expand_expr, do_jump): Likewise.
5777 (do_compare_and_jump): Likewise.
5778 (store_field): Call new function expr_align.
5779 * expr.h (emit_block_move, emit_group_load, emit_group_store):
5780 Alignment arg now unsigned.
5781 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
5782 (do_compare_rtx_and_jump, store_bit_field): Likewise.
5783 (extract_bit_field): Likewise.
5784 * fold-const.c (add_double): Add cast to eliminate signedness warning.
5785 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
5786 (get_best_mode): Alignment arg is unsigned.
5787 * rtl.h (move_by_pieces): Likewise.
5788 * store-layout.c (maximum_field_alignment, set_alignment):
5790 (layout_decl): Alignment arg is now unsigned.
5791 Remove unneeded casts.
5792 (layout_record, layout_union, layout_type): Remove unneeded casts.
5793 Local alignment variables now unsigned.
5794 (get_best_mode): Alignment arg now unsigned.
5795 * tree.c (expr_align): New function.
5796 * tree.h (expr_align): Likewise.
5797 (maximum_field_alignment, set_alignment): Now unsigned.
5798 (get_inner_reference): Alignment argument is now pointer to unsigned.
5799 * varasm.c (assemble_variable): Add cast to eliminate warning.
5801 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
5803 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
5804 then store directly into op0.
5806 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
5807 the CALL_INSN, and emit the note immediately after it.
5809 2000-02-10 Nick Clifton <nickc@cygnus.com>
5811 * config/arm/thumb.md (epilogue): Include a (return) in the
5812 generated insn, and emit it using emit_jump_insn not
5815 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
5817 * function.c (assign_temp): Change zero-sized arrays to size 1.
5818 * integrate.c (expand_inline_function): Do not update
5819 stack_alignment_needed
5820 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
5821 add some sanity checking, remove optimization for function with
5824 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5826 * flow.c (mark_regs_live_at_end): Delete unused variables.
5828 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
5830 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
5831 in macro FRAME_GROWS_DOWNWARD.
5833 * stmt.c (expand_end_bindings): Delete unused variable.
5835 * unroll.c (iteration_info): Mark parameter `loop' with
5838 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5840 * fixinc/server.c (load_data): Return NULL if the marker line is
5842 (run_shell): If load_data returns NULL, retry the command once, in
5845 * configure: Rebuilt.
5847 2000-02-09 Bruce Korb <bkorb@gnu.org>
5849 * gcc/fixincludes: ** DELETED **
5850 * gcc/fixcpp: ** DELETED **
5851 * gcc/fixinc-nt.sed: ** DELETED **
5852 * gcc/just-fixinc: ** DELETED **
5853 * gcc/Makefile.in: Removed out-dated commentary
5854 * gcc/configure.in: Removed fast-fixincludes disablement.
5855 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
5857 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5858 * function.c (thread_prologue_and_epilogue_insns): Uncomment
5861 2000-02-09 Richard Henderson <rth@cygnus.com>
5863 * jump.c (delete_insn): Don't delete user labels at -O0.
5865 2000-02-09 Robert Lipe <robertl@sco.com>
5867 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
5868 Don't link with HOST_LIBS.
5870 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5872 * configure.in: Correct --help text for --with-dwarf2.
5873 Put tm-dwarf2.h after other tm files, if it's requested.
5874 * configure: Regenerate.
5875 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
5878 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5880 * cpplib.h: Provide HASHNODE typedef and forward decl of
5881 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
5882 DEFINITION, struct hashnode, struct macrodef, struct
5883 definition, scan_decls prototype, default defn of
5884 INCLUDE_LEN_FUDGE moved elsewhere.
5886 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
5887 definition, and struct hashnode moved here. Remove the unused
5888 'predefined' field from struct definition. Replace the 'args'
5889 union with its sole member. All users updated (cpphash.c).
5890 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
5891 multiple include guard.
5893 * cpphash.c (hashf): Make static; use better algorithm; drop
5894 HASHSIZE parameter; return an unsigned int.
5895 (cpp_lookup): Drop HASH parameter. PFILE parameter is
5896 used. Calculate HASHSIZE modulus here.
5897 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
5899 (create_definition): Drop PREDEFINITION parameter.
5900 * cpplib.c (do_define): Don't calculate a hash value here.
5901 Don't pass (keyword == NULL) to create_definition.
5903 * scan.h: Prototype scan_decls here.
5904 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
5905 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
5906 callers of cpp_lookup and cpp_install updated.
5908 * cpphash.c (macarg): Hoist all the flag diddling out of the
5910 (macroexpand): ... and out of the loop that calls macarg.
5911 Skip over the initial paren before macro arguments with
5912 cpp_get_non_space_token; point may be some distance before
5913 that paren. Abort if it's not there.
5915 * cpplib.c (parse_clear_mark): Delete function.
5916 (parse_set_mark, parse_goto_mark): Make static.
5917 (ACTIVE_MARK_P): New macro.
5918 (skip_block_comment, skip_line_comment): Do not bump the line
5919 if ACTIVE_MARK_P is true.
5920 (cpp_pop_buffer): The buffer to be popped may not have an
5922 (cpp_get_token): When looking for the initial paren before
5923 macro arguments, only set a mark in a file buffer, Always
5924 return to that mark before proceeding to call macroexpand or
5925 return a NAME token.
5927 * cpplib.h: Remove prototypes of parse_set_mark,
5928 parse_clear_mark, parse_goto_mark.
5929 (struct cpp_options): Rename 'put_out_comments' to
5930 'discard_comments' and invert its sense.
5931 * cppinit.c, cpphash.c, cpplib.c: All users of
5932 put_out_comments changed to use discard_comments, with
5935 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5937 * function.c (thread_prologue_and_epilogue_insns): Don't delete
5938 the edge from a block that both jumps and falls through to the
5941 2000-02-09 Scott Bambrough <scottb@netwinder.org>
5943 * config/arm/arm.md (movsi): In PIC mode, make sure that a
5944 constant source address is legitimate.
5946 2000-02-09 Philip Blundell <pb@futuretv.com>
5948 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
5951 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
5953 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
5955 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5957 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
5958 ends with a newline and a NUL. Don't be so clever manipulating
5961 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
5963 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
5964 not to BIGGEST_ALIGNMENT.
5966 2000-02-08 Geoff Keating <geoffk@cygnus.com>
5968 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
5969 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
5970 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
5971 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
5972 * frame.c (execute_cfa_insn): Handle
5973 DW_CFA_GNU_negative_offset_extended.
5975 2000-02-08 Richard Henderson <rth@cygnus.com>
5977 * flow.c (tidy_fallthru_edges): Split out from ...
5978 (delete_unreachable_blocks): ... here.
5979 (find_basic_blocks): Use it.
5981 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5983 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
5985 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
5987 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
5988 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
5989 (fix-header.o): Don't depend on cpphash.h.
5991 * scan.c (hashstr): New function.
5992 * scan.h: Prototype it.
5993 * fix-header.c: Don't include cpphash.h. Use hashstr.
5994 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
5995 hashstr. Report hash table statistics. Add private
5996 definition of xrealloc.
5998 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6000 * i386.h (TARGET_SWITCHES): Fix typo in option name.
6002 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
6004 * function.c (thread_prologue_and_epilogue_insns): Don't replace
6005 jumps with returns unless they are jumps to the fallthru block.
6007 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
6009 * i386.md (addqi3_cc): Fix contraints.
6011 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
6013 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
6015 2000-02-07 Mark Mitchell <mark@codesourcery.com>
6017 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
6018 carriage return after a macro name.
6020 2000-02-07 Fred Fish <fnf@be.com>
6022 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
6023 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
6025 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
6027 * cppfiles.c (deps_output): Count spacers in deps_column.
6029 2000-02-07 Neil Booth <NeilB@earthling.net>
6031 * cppinit.c (initialize_dependency_output): If there is no
6032 suffix, don't try to look for known suffixes. Use strrchr.
6033 (cpp_start_read): Remove duplicate initialization.
6035 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
6037 * calls.c (compute_argument_block_size): New argument
6038 preferred_stack_boundary.
6039 (expand_call): update cfun->preferred_stack_boundary, update call of
6040 compute_argument_block_size
6041 (emit_library_call): Increate cfun->preferred_stack_boundary
6042 to PREFERRED_STACK_BOUNDARY
6043 (emit_library_call_value): Likewise.
6044 * explow.c (allocate_dynamic_stack_spave): Likewise.
6045 * function.c (prepare_function_start): Set
6046 cfun->preferred_stack_boundary
6047 * function.h (struct function): Add preferred_stack_boundary field.
6048 * integrate.c (expand_inline_function): Update
6049 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
6050 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
6051 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
6053 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
6055 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
6056 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
6057 cpp_pedwarn, cpp_pedwarn_with_line,
6058 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
6059 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
6060 v_cpp_error_with_line, v_cpp_warning_with_line,
6061 cpp_message_from_errno, cpp_perror_with_name): Delete.
6063 * cpperror.c (cpp_print_containing_files): Take starting
6065 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
6066 (v_cpp_message): Now called directly by all entry points.
6068 (cpp_pfatal_with_name, cpp_message): Delete.
6069 (cpp_notice_from_errno, cpp_ice): New functions.
6070 (cpp_notice): Is now for reporting error conditions, just
6071 without an associated file.
6072 (cpp_error, cpp_error_with_line): Don't do anything if
6073 opts->inhibit_errors is on.
6074 (cpp_pedwarn_with_file_and_line): Take column argument also.
6076 * cpplib.h: Update prototypes of exported functions.
6077 (struct cpp_options): Add inhibit_errors.
6079 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
6080 non-error messages. Include intl.h.
6082 * cppinit.c, cppmain.c: Likewise. Also, use
6083 cpp_notice_from_errno instead of cpp_perror_with_name or
6084 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
6086 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
6087 report internal errors.
6089 * cpplib.c (do_define): Switch bcopy to memcpy.
6090 Give cpp_pedwarn_with_file_and_line a dummy column argument.
6092 * cpplib.c (copy_rest_of_line): Revert previous change: don't
6093 bail out early if we hit a line comment.
6095 2000-02-06 Richard Henderson <rth@cygnus.com>
6097 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
6098 * basic-block.h: Declare them.
6099 * emit-rtl.h (active_insn_p): New.
6100 (next_active_insn, prev_active_insn): Use it.
6101 * rtl.h: Declare it.
6102 * function.c (emit_return_into_block): New.
6103 (thread_prologue_and_epilogue_insns): Insert return insns instead
6104 of epilogues when possible.
6105 * jump.c (jump_optimize_1): Remove code to insert a return insn
6106 on the fallthru to the exit block.
6108 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
6109 and for non-empty stack frames.
6110 * i386.md (return): Expand to return-pop as needed.
6112 2000-02-06 Richard Henderson <rth@cygnus.com>
6114 * simplify-rtx.c (simplify_relational_operation): Canonicalize
6115 constant to op1 for testing.
6117 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6119 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
6120 (fixuns_truncqfqi2): Use it.
6122 2000-02-06 Richard Henderson <rth@cygnus.com>
6124 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
6127 * i386.md (widening and peepholes): Mask the constant instead of
6130 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
6132 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
6133 input pointer before possibly branching off to the backslash
6135 * cpphash.c (macroexpand): Correctly delete \r escapes when
6136 stringifying parameters.
6137 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
6138 if we can; bail out early if we hit a line comment.
6139 (handle_directive): Treat '# 123' in an .S file just like
6140 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
6141 Return 1 for '# not_a_directive'.
6142 (get_directive_token): Pop macro buffers here, so that
6143 cpp_get_token can't sneakily move past a newline.
6145 (cpp_get_token): goto randomchar if handle_directive returns 0.
6147 * cppalloc.c: Update copyright.
6148 * cpplib.c: Merge all the static function prototypes into one
6150 * cpplib.h: Remove #if 0 block.
6152 * cpperror.c: Remove #ifdef EMACS block.
6153 * cppmain.c: Likewise.
6154 * cpphash.c: Remove #if 0 blocks.
6155 * cppinit.c: Remove #if 0 blocks, and the -lint option.
6156 * cpplib.c: Remove #if 0 blocks and code referencing
6157 pcp_inside_if or for_lint. Remove duplicate error message.
6158 Fix error messages for #else after #else or #elif. Reformat.
6159 Remove archaic TODO list.
6160 * cpplib.h: Remove pcp_inside_if and for_lint flags.
6162 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
6164 * i386/osf1elf.h: Add missing backslash to multiline string.
6166 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6168 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
6170 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6172 * Makefile.in (c-common.o): Depend on $(EXPR_H).
6174 * c-common.c: Include expr.h.
6176 * c-pragma.c (mark_align_stack): Add prototype.
6178 * caller-save.c (add_stored_regs): Likewise.
6180 * combine.c (record_promoted_value): Likewise.
6182 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
6185 * cppinit.c (new_pending_define): Likewise.
6187 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
6189 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
6190 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
6191 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
6192 class_scope_p): Likewise.
6194 * dwarf2out.h (dwarf2out_set_demangle_name_func,
6195 dwarf2out_add_library_unit_info): Likewise.
6197 * ggc.h (ggc_page_print_statistics): Likewise.
6199 * haifa-sched.c (propagate_deps): Likewise.
6201 * reg-stack.c (next_flags_user, record_label_references): Likewise.
6203 * rtl.h (set_stack_check_libfunc): Likewise.
6205 * toplev.h (set_fatal_function): Likewise.
6207 * toplev.c (set_fatal_function): Delete prototype.
6209 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
6211 2000-02-05 Geoff Keating <geoffk@cygnus.com>
6213 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
6214 (FUNC_END): Likewise.
6216 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6218 * caller-save.c: Include tm_p.h.
6220 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6222 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
6224 2000-02-04 Neil Booth <NeilB@earthling.net>
6226 * cccp.c (main): Check 'dir' for a NULL pointer before passing
6229 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
6231 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
6232 * genflags.c: Use the max_operand_1 logic from genemit.c to
6233 calculate how many arguments gen_insn prototypes have. Remove
6234 NO_MD_PROTOTYPES ifdefs from the generated file.
6235 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
6236 file. Cast gen_insn initializers to insn_gen_fn.
6237 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
6238 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
6240 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6242 * fixinc/Makefile.in (HDR): Add machname.h.
6245 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6247 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
6248 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
6249 (c4x_cpu_version): Ditto.
6250 * config/c4x/c4x-protos.h: ... here.
6252 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
6254 * dwarf2out.c (add_abstract_origin_attribute): Don't call
6255 gen_abstract_function on our context if we're a nested function.
6257 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6259 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
6260 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
6262 2000-02-04 Bruce Korb <bkorb@gnu.org>
6264 * fixinc/genfixes(machname.h):
6265 Move the functionality from gen-machine.h into this file.
6266 UNdef MN_NAME_PAT if there are no names to change.
6267 Also, be a little kinder when AutoGen is not present.
6269 * fixinc/Makefile.in(machname.h):
6270 Change the generation rule to use genfixes.
6272 * fixinc/fixfixes.c(machine_name):
6273 machine_name_fix's functionality now dependent upon whether
6274 MN_NAME_PAT is defined.
6276 * fixinc/fixtests.c(machine_name):
6279 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
6282 * fixinc/fixlib.h(mn_get_regexps):
6285 * fixinc/gen-machine.h: DELETED
6287 2000-02-04 Jan Hubicka <jh@suse.cz>
6288 Richard Henderson <rth@cygnus.com>
6290 * i386.c (SAVE_REGS_FIRST): Remove.
6291 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
6292 (ix86_compute_frame_size): Likewise.
6293 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
6294 (ix86_emit_restore_regs): Remove.
6295 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
6296 when a frame pointer is in use.
6297 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
6298 instead of pop to restore a register when profitable; emit leave
6300 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
6302 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
6303 * i386.md (prologue_allocate_stack): Remove.
6304 (epilogue_deallocate_stack): Remove.
6305 (pro_epilogue_adjust_stack): New.
6307 2000-02-04 Richard Henderson <rth@cygnus.com>
6309 * function.c (diddle_return_value): Rework to use a callback function.
6310 Use current_function_return_rtx if it's been set up.
6311 (do_clobber_return_reg, clobber_return_register): New.
6312 (do_use_return_reg, use_return_register): New.
6313 (expand_function_end): Use them.
6314 * stmt.c (expand_null_return): Likewise.
6315 * function.h: Declare them.
6316 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
6317 (mark_reg): Change arguments as appropriate for callback.
6318 * integrate.c (expand_inline_function): Revert 19 Jan change.
6320 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
6322 * tm.texi (Values in Registers): Fix typo: "fo" "for".
6323 (Misc): Say the scheduler, not the Haifa scheduler.
6325 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
6327 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
6328 when in_mem is set. Update all callers.
6330 2000-02-04 Richard Henderson <rth@cygnus.com>
6332 * i386/openbsd.h (INT_ASM_OP): Define.
6334 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
6336 * tm.texi: Fix various typos.
6338 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
6340 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
6341 (MD_STARTFILE_PREFIX_1): New macro.
6343 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
6345 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
6346 destination when needed.
6347 (strmovsi, strsetsi): New expander.
6348 (strmovsi_1, strsetsi_1): New pattern.
6349 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
6350 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
6351 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
6352 * invoke.texi (align-stringops, inline-all-stringops): Document.
6354 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
6356 * i386/netbsd.h (INT_ASM_OP): Define.
6358 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
6360 * cpplib.h (cpp_reader): Add new flag, no_directives.
6361 * cpphash.c (macarg): Set it.
6362 * cpplib.c (handle_directive): If no_directives is on and we
6363 find a directive, issue an error and discard the line.
6365 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
6367 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
6368 FP constants. Add ! TARGET_FPU check for FP constants.
6370 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
6372 * flow.c (find_basic_blocks): Don't kill label_value_list
6374 (cleanup_cfg): Kill it here.
6376 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6378 * expr.c (store_field): Ensure ALIGN is no stricter than the
6381 2000-02-02 Richard Henderson <rth@cygnus.com>
6383 * jump.c (delete_insn): Partially revert 19 Jan change;
6384 don't convert unused code labels to notes at -O0.
6386 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6388 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
6389 split_all_insns to recreate REG_LABEL notes for flow2 pass.
6391 2000-02-01 Richard Henderson <rth@cygnus.com>
6393 * i386.c (general_no_elim_operand): New.
6394 (nonmemory_no_elim_operand): New.
6395 (ix86_expand_move): Copy eliminable operands before a push.
6396 * i386-protos.h: Declare new functions.
6397 * i386.h (CAN_ELIMINATE): Simplify.
6398 (PREDICATE_CODES): Update.
6399 * i386.md (push insns): Don't allow eliminable register operands.
6401 2000-02-01 Richard Henderson <rth@cygnus.com>
6403 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
6404 replace BLKmode with DECL_RTL's mode.
6406 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
6408 * frame.c (find_fde): Convert for loop to do-while so compiler
6409 sees it's always executed at least once.
6410 * libgcc2.c (BBINBUFSIZE): Kill.
6411 (__bb_init_prg): Use fgets.
6412 (__bb_exit_trace_func): Don't paste strings.
6413 * unroll.c (unroll_loop): Initialize unroll_type, not
6414 unroll_number, and tweak logic to match.
6416 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
6418 (ix86_flags_dependant): Likewise. Disentangle control flow.
6419 (ix86_sched_reorder): Break guts out to
6420 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
6421 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
6424 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
6425 use string concatenation. Don't save and restore esi.
6427 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
6428 (machname.h): Remove script to separate file. Use two-step
6429 sequence so target is not created if script fails.
6430 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
6431 identifiers are defined.
6432 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
6433 an empty string, machine_name doesn't need to do anything at
6435 (is_cxx_header): Add more cases to regexp.
6436 * fixinc/fixlib.h: Update prototype.
6437 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
6439 * fixinc/fixincl.c: Define NO_BOGOSITY.
6441 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
6442 (hp_sysfile): Add missing comma.
6443 (math_exception): Put the wrapper ifdefs at the beginning and
6444 the end of the file.
6445 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
6447 2000-02-01 Richard Henderson <rth@cygnus.com>
6449 * sparc.c (fp_zero_operand): Turn into a normal predicate.
6450 Use CONST0_RTX. Update all callers.
6451 * sparc.h, sparc-protos.h: Update accordingly.
6452 * sparc.md (fp mov insns): Use fp_zero_operand directly
6455 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
6457 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
6460 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6462 * Makefile.in (specs.ready): New target.
6463 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
6465 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6467 * fixinc.irix: Use unique filenames for writing into /tmp,
6468 * fixinc.ptx: Likewise.
6469 * fixinc.sco: Likewise.
6470 * fixinc.svr4: Likewise.
6471 * fixinc.winnt: Likewise.
6473 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6475 * tsystem.h: New file.
6477 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
6478 s-crtS): Depend on tsystem.h.
6480 * crtstuff.c: Include tsystem.h.
6481 * frame.c: Likewise.
6482 * libgcc2.c: Likewise.
6484 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
6486 * builtins.c (expand_builtin_memset): Expand for variable sized
6489 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
6491 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
6494 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
6496 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
6498 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
6500 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
6502 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
6503 case 3->2 combining (combining with splitting) in which 2 is CC0
6504 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
6505 checked at the begining of the function with the aid of calling
6506 function 'can_combine_p'.
6508 2000-01-31 Dave Brolley <brolley@redhat.com>
6510 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
6512 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
6514 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
6517 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6519 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
6521 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
6524 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
6526 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
6527 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
6528 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
6529 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
6530 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
6531 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
6532 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
6533 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
6534 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
6535 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
6537 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
6538 Add %(cpp_cpu) to CPP_SPEC.
6540 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
6541 Add %(cc1_cpu) to CC1_SPEC.
6543 2000-01-28 Ulrich Drepper <drepper@redhat.com>
6545 * c-decl.c (c_decode_option): Accept optional numeric argument to
6546 -Wformat and set warn_format.
6547 * c-common.c: Don't emit warning about non-constant printf format
6548 string unless warn_format > 1.
6550 2000-01-30 Richard Henderson <rth@cygnus.com>
6552 * alpha.md (return_internal): Allow after reload only.
6554 2000-01-30 Richard Henderson <rth@cygnus.com>
6556 * i386.c (ix86_compute_frame_size): Omit padding1 if the
6557 local frame size is zero.
6559 2000-01-30 Richard Henderson <rth@cygnus.com>
6561 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
6562 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
6563 * alpha.md (return): Turn into an expander.
6564 (return_internal): Don't use $26.
6565 (epilogue): Emit the return insn.
6567 2000-01-30 Richard Henderson <rth@cygnus.com>
6569 * alpha.md (negtf2, abstf2): Fix word order thinko.
6571 (trunctfsf2): Avoid intermediate rounding errors.
6573 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
6575 * cppfiles.c (find_position): Drop 'colp' argument, return the
6577 (read_and_prescan): Adjust to match. Don't ever manipulate
6578 line or line_base except via find_position.
6580 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
6582 * c-parse.in: Apply Ulrich's changes from c-parse.y.
6583 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
6586 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
6588 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
6589 just print "<command line>". If 'filename' is null or an
6590 empty string, print "<stdin>" for the filename.
6591 * cpplib.c (do_define): Don't print the 'location of the
6592 previous definition' message if we're still parsing the
6594 (cpp_pedwarn_with_file_and_line): Always call
6595 cpp_file_line_for_message.
6597 2000-01-29 Mark Mitchell <mark@codesourcery.com>
6599 * flow.c (mark_regs_live_at_end): Fix typo.
6601 2000-01-28 Ulrich Drepper <drepper@redhat.com>
6603 * c-common.c: Adjust variable names, comments, help strings to c99.
6604 * c-lex.c: Likewise.
6605 * c-parse.y: Likewise.
6606 * c-tree.h: Likewise.
6608 * cpplib.h: Likewise.
6609 * c-decl.c: Likewise. Recognize options with names "*99" as well.
6610 * cppinit.c: Likewise.
6612 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6614 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
6615 * c4x.c: Define the optab rtx values.
6616 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
6617 (c4x_emit_libcall): Use new optab rtx values.
6618 (c4x_emit_libcall3): Likewise.
6619 (c4x_emit_libcall_mulhi): Likewise.
6620 * c4x-protos.h: Add prototypes for optab rtx values and change
6621 prototypes for above c4x_emit_libcall functions.
6623 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6625 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
6627 (c4x_function_prologue): Use regnames intead of float_reg_names when
6629 (c4x_function_epilogue): Likewise.
6630 (c4x_print_operand): Likewise.
6631 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
6632 * c4x.md (set_high): Disable for TARGET_TI.
6634 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6636 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
6637 of framepointer + constant to ADDR_REGS class.
6638 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
6639 * c4x.c (std_or_reg_operand): New function.
6640 * c4x-protos.h (std_or_reg_operand): Prototype it.
6642 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6644 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
6645 object names as libgcc2.c.
6646 * libgcc.S: Use newly defined names.
6648 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
6649 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
6651 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
6652 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
6653 (FLOW_LOOP_LAST_BLOCK): Likewise.
6655 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6657 * basic-block.h (struct loop): New fields 'first' and 'last'.
6658 * flow.c (flow_loops_find): Compute loop->first and loop->last.
6659 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
6660 and loop->last to check for NOTE_INSN_LOOP_END.
6662 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
6664 * predict.c (estimate_probability): Use the new FIRST and LAST fields
6665 of the loop descriptor rather than HEADER and LATCH. Also added
6666 missing break statements as well making some coding style modifications
6667 as suggested by Michael Hayes.
6669 2000-01-28 Richard Henderson <rth@cygnus.com>
6671 * flow.c (find_basic_blocks): Remove do_cleanup argument.
6672 Break out that code ...
6673 (cleanup_cfg): ... here.
6674 (commit_one_edge_insertion): Detect a return instruction being
6675 emitted to an edge. Emit a barrier following; clear fallthru.
6676 (commit_edge_insertions): Verify CFG consistency.
6677 * function.c (expand_function_start): Kill unused variable.
6678 (expand_function_end): Likewise.
6679 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
6680 to insert the epilogue.
6682 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
6683 (delete_null_pointer_checks): Likewise.
6684 * output.h: Likewise.
6685 * reg-stack.c (reg_to_stack): Likewise.
6686 * toplev.c (rest_of_compilation): Likewise. Run
6687 thread_prologue_and_epilogue_insns after rebuilding the CFG.
6689 2000-01-28 Richard Henderson <rth@cygnus.com>
6691 * Makefile.in (flow.o): Revert 24 Jan change.
6692 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
6693 FUNCTION_VALUE result to DECL_RESULT's mode.
6695 * haifa-sched.c (schedule_insns): Don't recompute reg info
6698 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
6700 * configure.in: Make --enable-cpplib the default.
6701 * configure: Regenerate.
6702 * gcc.dg/990119-1.c: No longer expected to fail.
6704 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
6706 * jump.c (jump_optimize_1): Delete an optimization that is also done
6707 by merge_blocks in flow.
6709 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6711 * diagnostic.c (build_message_string, output_printf,
6712 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
6713 (build_location_prefix): Fix non-literal format string.
6715 2000-01-27 Richard Henderson <rth@cygnus.com>
6717 * alpha.md (trunctfsf2): New.
6719 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
6721 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
6723 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
6725 * cppinit.c (cpp_handle_option): Recognize C++ comments under
6727 * cpplib.c (skip_block_comment, skip_line_comment): Split code
6729 (skip_comment) ... here. Permit C++ comments in system
6730 headers always. Warn about C++ comments in user code under
6731 -std=gnu89 -pedantic.
6732 (copy_comment): Use skip_comment.
6733 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
6735 (consider_directive_while_skipping, do_else, do_endif): Call
6736 validate_else unconditionally.
6737 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
6738 text after the conditional in a system header.
6739 * cpplib.h (struct cpp_buffer): Add flag
6740 warned_cplusplus_comments.
6742 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
6744 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
6745 Use unshare_all_rtl_1.
6746 (unshare_all_rtl_again): New function.
6747 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
6749 * function.c (purge_addressof_1): Use unshare_all_rtl_again
6750 rather than resetting the 'used' flags ourself.
6752 * toplev.c (rest_of_compilation): Add current_function_decl
6753 to the unshare_all_rtl call.
6754 * tree.h: Prototype unshare_all_rtl.
6755 * rtl.h: Prototype unshare_all_rtl_again here.
6757 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
6759 * genoutput.c (output_prologue): Include ggc.h in generated
6761 * Makefile.in (insn-output.o): Depends on ggc.h.
6763 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
6764 Hans-Peter Nilsson <hp@bitrange.com>
6766 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
6767 Remove redundant include of xm-ns32k.h.
6768 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
6769 Remove redundant include of xm-ns32k.h.
6770 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
6771 Remove redundant include of xm-ns32k.h.
6772 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
6774 * ns32k/ns32k.h: Update comment on multiply-add instructions.
6775 (TARGET_SWITCHES): Add documentation strings.
6776 (DWARF_FRAME_REGNUM): Override default definition.
6777 (REG_CLASS_CONTENTS): Add comments.
6778 (SUBSET_P): Format to reduce line length.
6779 (SMALL_REGISTER_CLASSES): Make a run time option.
6780 (GO_IF_NONINDEXED_ADDRESS): Reformat.
6781 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
6782 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
6783 (regclass_map): fix typo in comment.
6784 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
6785 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
6786 (trace, reg_or_mem_operand): Delete, unused function.
6787 (calc_address_cost): Small offsets are cheaper than large ones.
6788 (expand_block_move): Generate more efficient code when bytes is a
6789 known at compile time.
6790 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
6791 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
6792 instead of reg_or_mem_operand.
6794 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
6795 not general_operand. Similarly use "=rm" or stricter, not "=g".
6796 For input operands, use stricter constraints than "g" if not
6797 general_operand. Similarly use stricter predicate than
6798 "general_operand" when stricter constraints than "g" are present,
6799 except for matching constraints.
6800 (movstrsi): Use "memory_operand" for operands 0 and 1.
6801 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
6802 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
6803 not reg_or_mem_operand.
6804 (udivmoddisi4): Ditto.
6805 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
6806 Use nonimmediate_operand for operand 3, not register_operand.
6807 (udivmoddiqi4_internal): Use register_operand for operand 1, not
6810 2000-01-27 Fred Fish <fnf@be.com>
6812 * gthr-posix.h: Fix typo; compatibily -> compatibility.
6813 * gthr-single.h: Likewise.
6814 * gthr-solaris.h: Likewise.
6815 * gthr-vxworks.h: Likewise.
6816 * gthr-win32.h: Likewise.
6819 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
6821 * cppinit.c: Add " (cpplib)" to end of string printed by
6824 2000-01-27 Richard Henderson <rth@cygnus.com>
6826 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
6827 testing for a signed comparison.
6828 (alpha_emit_floatuns): New.
6829 * alpha-protos.h: Declare it.
6830 * alpha.md (floatunsdisf2, floatunsdidf2): New.
6831 (extendsfdf2): Tidy.
6833 2000-01-27 Jakub Jelinek <jakub@redhat.com>
6835 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
6836 no -g option specifying debugging format, default to -gstabs+.
6838 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6840 * calls.c (special_function_p): New argument fork_or_exec.
6841 (expand_call): When profile_arc_flag is set and the function
6842 is in the fork_or_exec group, call __bb_fork_func first.
6843 * libgcc2.c, _bb module (__bb_fork_func): New function.
6844 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
6846 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
6847 * tree.h (special_function_p): Update prototype.
6849 2000-01-26 Richard Henderson <rth@cygnus.com>
6851 * alpha.c (alpha_split_tfmode_pair): New.
6852 * alpha-protos.h: Declare it.
6853 * alpha.md (abstf2, negtf2): New.
6854 (movtf insn): Add input G constraint.
6855 (movtf splitter): Use alpha_split_tfmode_pair.
6857 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6859 * i386/cygwin.h: PROTO -> PARAMS.
6861 2000-01-26 Jakub Jelinek <jakub@redhat.com>
6863 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
6864 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
6865 using _Qp_cmp/_Q_cmp and testing the return value.
6866 (print_operand): Call reverse_condition_maybe_unordered if
6867 we are handling CCFPmode or CCFPEmode.
6868 Handle ORDERED, UN* and LTGT comparisons.
6869 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
6870 if not TARGET_HARD_QUAD.
6871 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
6872 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
6873 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
6874 Adjust gen_b* calls so that they reflect return comparison of
6875 sparc_emit_float_lib_cmp.
6877 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6879 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
6880 incoming operands array is large enough for one more operand.
6881 (alpha_emit_xfloating_arith): Likewise.
6883 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
6885 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
6886 file with one line and no trailing newline.
6887 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
6888 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
6889 checking if the match is on the line.
6890 * fixinc/gnu-regex.c: Provide regerror not __regerror.
6892 2000-01-25 Richard Henderson <rth@cygnus.com>
6894 * sparc.c (output_cbranch): Fix accidental squashing of the
6895 fp branch pre-delay nop.
6897 2000-01-25 Richard Henderson <rth@cygnus.com>
6899 * tree.def (UNNE_EXPR): Remove.
6900 * c-typeck.c (build_binary_op): Don't handle it.
6901 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
6903 * rtl.def (UNNE): Remove.
6905 * jump.c (reverse_condition): Update accordingly.
6906 (swap_condition): Likewise.
6907 (comparison_dominates_p): Handle unordered comparisons.
6908 (reverse_condition_maybe_unordered): New.
6909 * rtl.h (reverse_condition_maybe_unordered): Declare.
6911 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
6912 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
6913 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
6914 * sparc.md (bltgt): New.
6916 2000-01-25 Nick Clifton <nickc@redhat.com>
6918 * emit-rtl.c (emit_insn): Only check machine class insns for
6919 improper emission of a RETURN.
6921 2000-01-25 Richard Henderson <rth@cygnus.com>
6923 * Makefile.in (flow.o): Depend on $(EXPR_H).
6924 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
6925 duplicate the structure of diddle_return_value for keeping regs live.
6927 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6929 * loop.c (current_loop_info): Delete.
6930 (consec_sets_invariant_p): Add loop argument, update callers.
6931 (get_condition_for_loop): Likewise.
6932 (count_nonfixed_reads, update_giv_derive): Likewise.
6933 (simplify_giv_expr, general_induction_var): Likewise.
6934 (consec_sets_giv, recombine_givs): Likewise.
6935 (move_movables): Delete loop_start and loop_end arguments,
6936 add loop argument, and update callers.
6937 (find_mem_givs, check_final_value): Likewise.
6938 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
6939 (loop_invariant_p): Rename from invariant_p, add loop argument, and
6941 (basic_induction_var): Add loop argument, delete loop_level argument,
6943 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
6944 add loop argument, and update callers.
6945 (find_splittable_regs, find_splittable_givs): Likewise.
6946 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
6947 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
6948 (biv_total_increment): Delete loop_start and loop_end arguments;
6950 (precondition_loop_p): Delete loop_start and loop_info arguments;
6952 * loop.h (get_condition_for_loop): Add loop argument.
6953 (biv_total_increment): Delete loop_start and loop_end arguments.
6954 (precondition_loop_p): Delete loop_start and loop_info arguments;
6956 (final_biv_value): Delete loop_start and loop_end arguments;
6958 (final_giv_value, back_branch_in_range_p): Likewise.
6960 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
6962 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
6964 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
6966 * Makefile.in (c-gperf.h) : Change the "See" pointer to
6967 point to the new "generated_files" doc.
6969 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
6971 * config/fp-bit.c (_unord_f2): Fix typo.
6973 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
6975 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
6976 c-typeck.c, objc/objc-act.c: Remove all references to obstack
6977 functions obsoleted by GC, such as push_obstacks_nochange,
6978 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
6979 and code which existed only to decide whether or not to call
6980 them. Remove now-unused NESTED argument from start_function;
6981 all callers changed. Do not change behavior based on ggc_p.
6982 The use of the ixp_obstack in c-iterate.c and the util_obstack
6983 in objc/objc-act.c remain; these are not obsoleted by garbage
6985 * c-tree.h: Update prototype for start_function.
6987 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
6989 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
6991 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
6994 2000-01-25 Richard Henderson <rth@cygnus.com>
6996 * sparc-protos.h (select_cc_mode): Declare.
6997 * sparc.c (select_cc_mode): New. Handle unordered compares.
6998 (output_cbranch): Always reverse via code change. Handle
6999 unordered compares. Factor tests and string updates.
7000 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
7001 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
7002 * sparc.md (bunordered, bordered): New.
7003 (bungt, bunlt, buneq, bunge, bunle): New.
7005 2000-01-25 Richard Henderson <rth@cygnus.com>
7007 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
7008 * ggc-common.c (ggc_add_rtx_varray_root): New.
7009 (ggc_mark_rtx_varray): New.
7010 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
7011 functions down below ggc_mark_foo.
7012 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
7014 2000-01-25 Richard Henderson <rth@cygnus.com>
7016 * alpha.c (secondary_reload_class): Don't allocate a secondary
7017 for integral mode memories into FLOAT_REGS. Rearrange the more
7018 complicated memory expression inward.
7020 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7022 * inclhack.def: Fixes to play nicer with FreeBSD, and
7023 corrections to comments.
7024 (cxx_unready): Add select expression.
7025 (irix_sockaddr): Add bypass expression.
7026 (machine_ansi_h_va_list): New fix.
7027 (stdio_va_list): No need to edit _BSD_VA_LIST_.
7028 Split out addition of "#include <stdarg.h>" to...
7029 (stdio_stdarg_h): ... here.
7030 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
7031 to stdlib.h also. Do not munge _BSD_SIZE_T_.
7032 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
7034 (ultrix_ifdef): Tighten up select expression.
7036 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
7037 re_ct and max_mach to avoid use of shell. Make printed names
7038 match names in inclhack.def. Use static copyright date.
7039 Don't count c_test and test expressions as requiring regex_t
7040 slots. Add some commentary.
7041 * inclhack.tpl: Do not include the 'This script contains N
7042 fixup scripts' line if PROGRAM is defined. Use static
7045 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
7047 * dwarf2out.c: include "varray.h", not dyn-string.h.
7048 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
7049 (addr_const_to_string, addr_to_string): Lose.
7050 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
7051 (struct dw_val_struct): val_addr is now an rtx.
7052 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
7053 (used_rtx_varray): New varray.
7054 (dwarf2out_init): Initialize it.
7056 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
7058 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
7059 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
7060 * Makefile.in (dwarf2out.o): Update dependencies.
7062 2000-01-24 Richard Henderson <rth@cygnus.com>
7064 * i386.c (i386_dwarf_output_addr_const): New.
7065 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
7067 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
7069 * dwarfout.c (output_mem_loc_descriptor): Likewise.
7070 * i386.c (i386_simplify_dwarf_addr): New.
7071 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
7073 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
7075 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
7076 TYPE_STUB_DECL is NULL.
7078 2000-01-24 Richard Henderson <rth@cygnus.com>
7080 * builtins.c (expand_tree_builtin): Move ...
7081 * c-common.c (expand_tree_builtin): ... here.
7083 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7085 * loop.h (LOOP_INFO): New accessor macro.
7086 * basic-block.h (struct loop): Rename field `info' to `aux'.
7087 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
7088 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
7089 * unroll.c (loop_iterations, unroll_loop): Likewise.
7091 2000-01-24 Christopher Faylor <cgf@cygnus.com>
7093 * config/i386/t-cygwin: Accomodate new winsup directory layout
7094 when searching for include files.
7096 2000-01-24 Richard Henderson <rth@cygnus.com>
7098 * rtl.def: Add unordered fp comparisions.
7099 * tree.def: Likewise.
7100 * tree.h: Add ISO C 9x unordered fp comparision builtins.
7102 * builtins.c (expand_tree_builtin): New function.
7103 * c-typeck.c (build_function_call): Use it.
7104 (build_binary_op): Support unordered compares.
7105 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
7107 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
7108 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
7109 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
7110 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
7111 * jump.c (reverse_condition): Don't abort for UNLE etc, but
7113 (swap_condition): Handle unordered compares.
7114 (thread_jumps): Check can_reverse before reversing.
7115 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
7118 * optabs.c (can_compare_p): New argument CODE. Verify branch or
7119 setcc is present before acking for cmp_optab. Update all callers.
7120 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
7121 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
7122 * expr.c (expand_expr): Likewise. Support unordered compares.
7123 (do_jump, do_store_flag): Likewise.
7124 * expr.h (enum libfunc_index): Add unordered compares.
7126 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
7127 (DPBIT_FUNCS): Add _unord_df.
7128 * config/fp-bit.c (_unord_f2): New.
7129 * fp-test.c (main): Try unordered compare builtins.
7131 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
7132 * alpha.c (alpha_comparison_operator): Check mode properly.
7133 (alpha_swapped_comparison_operator): Likewise.
7134 (signed_comparison_operator): Likewise.
7135 (alpha_fp_comparison_operator): New.
7136 (alpha_emit_conditional_branch): Handle unordered compares.
7137 * alpha.h (PREDICATE_CODES): Update.
7138 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
7139 (bunordered, bordered): New.
7141 2000-01-24 Richard Henderson <rth@cygnus.com>
7143 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
7144 * alpha.md (movtf): New expander, insn, and splitter.
7146 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
7148 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
7151 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
7153 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
7154 (FIXED_REGISTERS, CALL_USED_REGISTERS,
7155 REG_ALLOC_ORDER): Add frame pointer
7156 (FRAME_POINTER_REGNUM): Set to 20
7157 (HARD_FRAME_POINTER_REGNUM): New macro.
7158 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
7159 to HARD_FRAME_POINTER.
7160 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
7161 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
7162 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
7163 (HI_REGISTER_NAMES): Add "frame".
7164 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
7165 (debug_reg): Handle FRAME_POINTER_REGNUM.
7166 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
7167 GENERAL_REGS and INDEX_REGS.
7168 * i386.c (SAVED_REGS_FIRST): new macro.
7169 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
7170 (ix86_decompose_address, memory_address_length): Likewise.
7171 (regclass_map): Add frame pointer.
7172 (call_insn_operand): Handle frame_pointer_rtx.
7173 (reg_no_sp_operand): Likewise.
7174 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
7175 (print_operand, legitimize_pic_address): Fix formating.
7176 (ix86_compute_frame_size): Make static, update prototype, new
7177 parameters padding1, padding2, use ix86_nsaved_regs, use
7178 stack_alignment_needed.
7179 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
7180 to HARD_FRAME_POINTER_REGNUM conversions.
7181 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
7182 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
7183 (print_reg): Abort on FRAME_POINTER_REGNUM
7185 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
7187 * i386.h (PREDICATE_CODES): Add aligned_operand.
7188 * i386.c (aligned_operand): New function.
7189 (ix86_aligned_p): Kill.
7190 * i386.md (movhi_1): Emit mov for aligned operands.
7191 (promoting peep2s): Use aligned_operand.
7193 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
7195 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
7196 expression to allow underscores in macro names.
7197 (fix_char_macro_defines): Increment scanning pointer.
7199 2000-01-23 Richard Henderson <rth@cygnus.com>
7201 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
7202 * alpha/osf5.h: New file.
7203 * configure.in (alpha-*-osf5): Add it to tm_file.
7205 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
7207 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
7208 (alpha_emit_xfloating_cvt, function_arg): Declare.
7209 * alpha.c (alpha_emit_conditional_branch): Call
7210 alpha_emit_xfloating_compare for TFmode compares.
7211 (alpha_lookup_xfloating_lib_func): New.
7212 (alpha_compute_xfloating_mode_arg): New.
7213 (alpha_emit_xfloating_libcall): New.
7214 (alpha_emit_xfloating_arith): New.
7215 (alpha_emit_xfloating_compare): New.
7216 (alpha_emit_xfloating_cvt): New.
7217 (print_operand): Add default abort case.
7218 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
7219 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
7220 (BIGGEST_ALIGNMENT): Increase to 128 bits.
7221 (RETURN_IN_MEMORY): True for TF/TCmode.
7222 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
7223 (FUNCTION_ARG): Move to function_arg.
7224 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
7225 (ASM_OUTPUT_LONG_DOUBLE): New.
7226 (ASM_OUTPUT_DOUBLE): Always output bits.
7227 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
7228 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
7229 (extenddftf2, trunctfdf2): New.
7231 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7233 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
7234 * config/sparc/sol2.h: ... here.
7236 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7238 * basic-block.h (struct loops): New field `levels'.
7239 * flow.c (flow_loops_level_compute): Traverse all outer loops.
7240 (flow_loop_level_compute): Initialise level to 1.
7241 (flow_loops_find): Set loops->levels.
7242 (flow_loops_dump): Print loops->levels.
7244 2000-01-23 Richard Henderson <rth@cygnus.com>
7246 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
7247 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
7249 2000-01-23 Richard Henderson <rth@cygnus.com>
7251 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
7252 * i386.h (DBX_REGISTER_NUMBER): Use them.
7253 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
7254 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
7255 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
7256 * i386/sequent.h: Kill incorrect comment.
7258 2000-01-23 Mark Mitchell <mark@codesourcery.com>
7260 * ggc-page.c (struct page_entry): Make `context_depth' an
7262 (struct globals): Likewise.
7264 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
7266 * loop.c (check_dbra_loop): When checking a loop for
7267 reversability, check the source of any stores to ensure
7268 they don't depend on an initial value.
7270 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7272 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
7274 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
7276 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
7277 'pz_scan' into scope of entire function. Only affects
7278 compiles with -DDEBUG.
7280 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
7282 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
7283 section naming to that prior to 2000-01-07 patch.
7284 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
7285 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
7286 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
7287 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
7288 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
7290 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
7292 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
7295 2000-01-21 Jim Wilson <wilson@cygnus.com>
7297 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
7298 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
7300 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
7302 * cpphash.c (change_newlines): Delete function.
7303 (struct argdata): Delete 'newlines' and 'use_count' fields.
7304 (macroexpand): Remove code referencing those fields.
7306 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7308 * loop.c (loops_info): New variable.
7309 (loop_optimize): Allocate loops->array and free it on exit.
7310 Allocate memory for loops_info and assign to each loop,
7312 (find_and_verify_loops): Do not allocate loops->array.
7314 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
7316 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
7318 2000-01-21 Jakub Jelinek <jakub@redhat.com>
7320 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
7321 pseudos if expanded after first flow.
7322 (movdi_pic_label_ref): Likewise.
7324 2000-01-20 Richard Henderson <rth@cygnus.com>
7326 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
7328 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
7330 * Makefile.in (fixinc.sh): Depend on specs.
7331 * fixinc/Makefile.in: Add rule to create machname.h.
7332 (fixlib.o): Depend on machname.h.
7333 * fixinc/fixtests.c (machine_name): New test.
7334 * fixinc/fixfixes.c (machine_name): New fix.
7335 * fixinc/fixlib.c (mn_get_regexps): New helper function for
7336 the machine_name test and fix.
7337 * fixinc/fixlib.h: Prototype it.
7338 * fixinc/inclhack.def (machine_name): Use the C test and fix.
7339 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
7341 * gcc.c (do_spec_1) [case P]: Take care not to create
7342 identifiers with three leading or trailing underscores.
7344 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
7345 (fixincl): Don't specify libraries twice on link line.
7346 (gnu-regex.o): Remove special rule.
7347 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
7348 defined by config.h. Do not define _REGEX_RE_COMP.
7349 (regcomp): Allocate and initialize a fastmap.
7350 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
7352 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
7354 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
7356 2000-01-19 Richard Henderson <rth@cygnus.com>
7358 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
7359 arguments with BB. Update all callers. Tidy line wrapping.
7361 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
7363 * emit-rtl.c (try_split): Return last_insn if we split the
7366 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
7368 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
7369 (ix86_initial_elimination_offset): Declare.
7370 * i386.c (ix86_nsaved_regs): Break out from ...
7371 (ix86_can_use_return_insn_p): ... here.
7372 (ix86_emit_save_regs): Break out from ...
7373 (ix86_expand_prologue): ... here.
7374 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
7376 (ix86_expand_epilogue): ... here.
7377 (ix86_compute_frame_size): Make static, add prototype.
7378 (ix86_initial_elimination_offset): Break out from ...
7379 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
7381 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7383 * recog.h (OUT_FCN): Delete.
7385 * vax.md: Call `get_insn_template' instead of OUT_FCN.
7387 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7389 * cppalloc.c: PROTO -> PARAMS.
7390 * cpperror.c: Likewise.
7391 * cppfiles.c: Likewise.
7392 * cpplib.c: Likewise.
7393 * cpplib.h: Likewise.
7395 * config/arm/arm-protos.h: PROTO -> PARAMS.
7396 * config/arm/arm.c: Likewise.
7397 * config/c4x/c4x.c: Likewise.
7398 * config/fr30/fr30-protos.h: Likewise.
7399 * config/nextstep.c: Likewise.
7400 * config/pa/pa.c: Likewise.
7401 * config/pj/pj.c: Likewise.
7402 * config/rs6000/rs6000.c: Likewise.
7403 * config/v850/v850-protos.h: Likewise.
7404 * config/v850/v850.c: Likewise.
7406 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7408 * i370-protos.h: New file.
7410 * i370.c: Include tm_p.h. Fix compile time warnings.
7412 * i370.h: Move prototypes to i370-protos.h. Fix compile time
7415 * i370.md: Likewise.
7417 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7419 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
7420 (target_isinf, target_isnan, eisnan): Mark parameter with
7422 (eiisinf): Wrap in INFINITY.
7423 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
7424 (ibmtoe): Remove unused variable `rndsav'.
7426 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7428 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
7429 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
7431 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
7433 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
7434 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
7435 (fix_char_macro_defines, fix_char_macro_uses): New functions.
7437 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
7438 Recognize Emacs mode markers also.
7439 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
7440 C++ comments in C++ headers. Call is_cxx_header only if
7443 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
7445 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
7446 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
7447 ... these, which use the new C fixes.
7448 (math_exception): Escape literal '+' in bypass expression.
7450 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
7453 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7455 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
7458 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7460 * loop.c (loop_optimize): Allocate loop_info structure for each loop
7461 prior to calling scan_loop.
7463 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7465 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
7466 (split_branches, calc_live_regs): Likewise.
7468 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7470 * sh.md (fpu_single, fp_mode): New attributes.
7472 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7474 * loop.c (current_loop_info): Renamed from loop_info_data
7475 and changed to a pointer.
7476 (loop_optimize): Allocate loop_info structure for each loop
7477 and initialise to zero.
7478 (scan_loop): Set current_loop_info.
7480 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
7483 2000-01-19 Richard Henderson <rth@cygnus.com>
7485 * stupid.c: Die die die.
7486 * Makefile.in (OBJS): Remove stupid.o.
7487 (stupid.o): Likewise.
7489 * except.c (emit_eh_context): Don't emit USEs for stupid.
7490 * explow.c (probe_stack_range): Likewise.
7491 * flags.h (obey_regdecls): Remove.
7492 * flow.c (find_basic_blocks): Don't run try_merge_blocks
7493 when not optimizing.
7494 (life_analysis): Limit data collection when not optimizing.
7495 (mark_regs_live_at_end): Always mark the return value registers.
7496 (mark_used_regs): Remove dummy RETURN case.
7497 (print_rtl_with_bb): Don't consult obey_regdecls.
7498 * function.c (use_variable, use_variable_after): Remove.
7499 (assign_parms): Consult optimize not obey_regdecls.
7500 (expand_function_start): Don't emit USEs for stupid.
7501 (expand_function_end): Likewise.
7502 * global.c (build_insn_chain): Export.
7503 * integrate.c (expand_inline_function): Kill return-value USE
7505 * jump.c (jump_optimize_1): Do simple jump optimizations and
7506 dead code elimination.
7507 (calculate_can_reach_end): Remove check_deleted argument.
7508 (delete_insn): Patch out insns even when not optimizing.
7509 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
7510 * rtl.h (use_variable, use_variable_after): Remove declarations.
7511 (build_insn_chain): Declare.
7512 * stmt.c (expand_value_return): Don't emit USEs for stupid.
7513 (expand_end_bindings): Likewise.
7514 (expand_decl): Likewise. Consult optimize not obey_regdecls.
7515 * toplev.c (obey_regdecls): Remove.
7516 (rest_of_compilation): Don't set it. Kill stupid in favour of
7517 flow1, local-alloc, and reload.
7518 (main): Don't set obey_regdecls.
7520 * config/nextstep.c (handle_pragma): Likewise.
7522 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
7524 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
7526 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7528 * alpha-protos.h: PROTO -> PARAMS.
7529 * alpha.c: Likewise.
7531 * h8300.c: Likewise.
7532 * i386-protos.h: Likewise.
7534 * m32r-protos.h: Likewise.
7537 * mips.md: Likewise.
7538 * gmon-sol2.c: Likewise.
7539 * sparc.c: Likewise.
7541 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7543 * ns32k-protos.h: New file.
7545 * ns32k.c: Fix compile time warnings.
7547 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
7550 * ns32k.md: Likewise.
7552 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7554 * vax-protos.h: New file.
7556 * vax.c: Fix compile time warnings.
7558 * vax.h: Move prototypes to vax-protos.h. Fix compile time
7563 * vaxv.md: Likewise.
7565 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7567 * romp-protos.h: New file.
7569 * romp.c: Fix compile time warnings.
7571 * romp.h: Move prototypes to romp-protos.h. Fix compile time
7574 * romp.md: Likewise.
7576 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7578 * we32k-protos.h: New file.
7580 * we32k.c: Fix compile time warnings.
7582 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
7585 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7587 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
7589 * except.c (eh_regs): Likewise.
7591 * final.c (output_operand): Likewise.
7593 * fold-const.c (target_isinf, target_isnan): Likewise.
7595 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
7597 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
7598 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
7600 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
7602 (clrstrsi): Rewrite.
7603 (strsethi, strsetqi): New expanders.
7604 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
7605 (cmpstrsi): Emit compare insn before cmpstrsi_1
7606 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
7607 (strlensi_1): Likewise.
7608 (cmpstrsi_1): Likewise; do not output compare.
7609 (strlen expander): Do not unroll when optimizing for size.
7610 (*subsi3_carry): Rename to subsi3_carry
7611 (addqi3_cc): New pattern.
7612 * i386.h (processor_costs): Add move_ratio field.
7613 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
7614 * i386.c (*_cost): Set move_ratio.
7615 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
7616 (x86_expand_strlensi_1): Rewrite the main loop.
7618 2000-01-17 Richard Henderson <rth@cygnus.com>
7620 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
7621 * cse.c (find_comparison_args, fold_rtx): Likewise.
7622 * integrate.c (subst_constants): Likewise.
7623 * loop.c (get_condition): Likewise.
7625 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
7627 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
7629 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7631 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
7632 (RESTORE_WARN_FLAGS): Unpack it.
7633 Change semantic type of extension to ttype.
7634 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
7635 * c-parse.y, c-parse.c, objc/objc-parse.y,
7636 objc/objc-parse.c: Regenerate.
7638 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
7640 * fixinc/fixlib.c: Add copyright notice.
7641 (compile_re): New function.
7642 * fixinc/fixlib.h: Prototype compile_re.
7644 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
7645 Use compile_re to compile regular expressions.
7647 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
7648 where the pattern matched.
7650 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
7652 (ultrix_ansi_compat): Likewise.
7653 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
7655 (interactv_add2, interactv_add3): Delete.
7656 (x11_sprintf): Don't use filename glob.
7657 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
7660 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7662 * print-rtl.c: PROTO -> PARAMS.
7664 * reg-stack.c: Likewise.
7665 * resource.c: Likewise.
7666 * sdbout.h: Likewise.
7667 * simplify-rtx.c: Likewise.
7668 * stor-layout.c: Likewise.
7669 * stupid.c: Likewise.
7670 * xcoffout.c: Likewise.
7671 * xcoffout.h: Likewise.
7673 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7675 * toplev.c: PROTO -> PARAMS.
7676 * toplev.h: Likewise.
7679 * unroll.c: Likewise.
7680 * varasm.c: Likewise.
7681 * varray.c: Likewise.
7682 * varray.h: Likewise.
7684 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7686 * reload.c: PROTO -> PARAMS.
7687 * reload.h: Likewise.
7688 * reload1.c: Likewise.
7689 * reorg.c: Likewise.
7690 * resource.h: Likewise.
7693 * rtlanal.c: Likewise.
7694 * sbitmap.h: Likewise.
7695 * sdbout.c: Likewise.
7696 * stack.h: Likewise.
7698 * system.h: Likewise.
7700 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7702 * machmode.h: PROTO -> PARAMS.
7703 * mbchar.h: Likewise.
7704 * mips-tdump.c: Likewise.
7705 * mips-tfile.c: Likewise.
7706 * optabs.c: Likewise.
7707 * output.h: Likewise.
7708 * prefix.c: Likewise.
7709 * profile.c: Likewise.
7710 * protoize.c: Likewise.
7712 * recog.c: Likewise.
7713 * recog.h: Likewise.
7714 * regclass.c: Likewise.
7715 * regmove.c: Likewise.
7718 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7720 * ggc-common.c: PROTO -> PARAMS.
7721 * ggc-page.c: Likewise.
7722 * ggc-simple.c: Likewise.
7724 * global.c: Likewise.
7725 * graph.c: Likewise.
7726 * gthr-win32.h: Likewise.
7727 * haifa-sched.c: Likewise.
7728 * halfpic.h: Likewise.
7729 * integrate.c: Likewise.
7730 * integrate.h: Likewise.
7733 * local-alloc.c: Likewise.
7737 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7739 * genattr.c: PROTO -> PARAMS.
7740 * genattrtab.c: Likewise.
7741 * gencheck.c: Likewise.
7742 * gencodes.c: Likewise.
7743 * genconfig.c: Likewise.
7744 * genemit.c: Likewise.
7745 * genextract.c: Likewise.
7746 * genflags.c: Likewise.
7747 * gengenrtl.c: Likewise.
7748 * genopinit.c: Likewise.
7749 * genoutput.c: Likewise.
7750 * genpeep.c: Likewise.
7751 * genrecog.c: Likewise.
7753 2000-01-16 Mark Mitchell <mark@codesourcery.com>
7755 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
7757 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7759 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
7760 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
7761 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
7762 * configure, config.in: Rebuilt.
7764 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
7766 * config/i386/i386.md: Add peephole to merge successive stack
7769 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
7771 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
7772 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
7773 when walking backwards to find all the parameter loads when
7774 the basic block ends in a call.
7776 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7778 * loop.c (this_loop_info): Delete.
7779 (uid_loop): Add in place of uid_loop_num. All uses updated.
7780 (loop_number_exit_count): Delete and replace with entry in loop
7781 structure. All uses updated.
7782 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
7783 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
7784 (loop_outer_loop): Likewise.
7785 (loop_invalid, loop_number_exit_labels): Likewise.
7786 (loop_used_count_register): Delete and replace with entry in
7787 loop_info structure.
7788 (find_and_verify_loops): Add loops argument.
7789 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
7790 loop_end, etc. arguments with loop structure pointer. All callers
7792 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
7793 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
7794 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
7795 (insert_bct): Likewise.
7796 (basic_induction_var): New argument level.
7797 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
7798 vtop, and cont. Add used_count_register.
7799 (uid_loop): Delete declaration.
7800 (loop_number_exit_count): Likewise.
7801 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
7802 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
7803 (loop_outer_loop, loop_used_count_register): Likewise.
7804 (loop_invalid, loop_number_exit_labels): Likewise.
7805 (unroll_loop): Replace loop_start and loop_end arguments
7806 with loop structure pointer.
7807 (loop_precondition_p, loop_iterations): Likewise.
7808 Include basic-block.h.
7809 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
7810 with loop structure pointer.
7811 (loop_precondition_p, loop_iterations): Likewise.
7812 * basic-block.h (struct loop): New entries vtop, cont,
7813 cont_dominator, start, end, top, scan_start, exit_labels,
7815 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
7817 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7819 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
7821 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
7823 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
7825 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7827 * pdp11-protos.h: New file.
7829 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
7832 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
7835 * pdp11.md: Likewise.
7839 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7841 * mn10300-protos.h: New file.
7843 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
7846 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
7849 * mn10300.md: Likewise.
7851 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7853 * mn10200-protos.h: New file.
7855 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
7858 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
7861 * mn10200.md: Likewise.
7863 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7865 * h8300-protos.h: New file.
7867 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
7870 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
7873 * h8300.md: Likewise.
7875 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7877 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
7878 (asm_emit_uninitialised): Likewise.
7880 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
7882 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
7883 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
7885 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7887 * config/mips/mips.c (override_options): Don't turn on extra
7888 alignment for mips16.
7890 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7892 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
7893 eabi, and make sure queued POSTINCREMENT rtl is emitted at
7896 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7898 * builtins.c (PAD_VARARGS_DOWN): Define.
7899 (std_expand_builtin_va_arg): Use the above macro.
7900 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
7901 * tm.texi (Register Arguments): Document the above macro.
7903 2000-01-14 Nick Clifton <nickc@cygnus.com>
7905 * emit-rtl.c (emit_insn): If checking is enabled, make sure
7906 that this function has not been used to emit a jump
7909 * jump.c (return_jump_1): Cope with being passed a null rtx.
7911 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7913 * eh-common.h: PROTO -> PARAMS.
7914 * emit-rtl.c: Likewise.
7915 * errors.c: Likewise.
7916 * errors.h: Likewise.
7917 * except.c: Likewise.
7918 * except.h: Likewise.
7919 * explow.c: Likewise.
7920 * expmed.c: Likewise.
7923 * final.c: Likewise.
7924 * fix-header.c: Likewise.
7926 * fold-const.c: Likewise.
7927 * function.c: Likewise.
7928 * function.h: Likewise.
7930 * gcov-io.h: Likewise.
7934 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7936 * sh-protos.h: New file.
7938 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
7939 Add static prototypes. Fix compile time warnings.
7941 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
7945 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7947 * arc-protos.h: New file.
7949 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
7952 * arc.h: Move prototypes to arc-protos.h. Fix compile time
7957 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7959 * dsp16xx-protos.h: New file.
7961 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
7964 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
7967 * dsp16xx.md: Likewise.
7969 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7971 * convex-protos.h: New file.
7973 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
7976 * convex.h: Move prototypes to convex-protos.h. Fix compile time
7979 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7981 * elxsi-protos.h: New file.
7983 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
7986 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
7989 * elxsi.md: Likewise.
7991 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7993 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
7994 case for moving from HI/LO/HI_LO_REG. This makes the behavior
7995 match the comment for MIPS16.
7997 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
7999 * flow.c (split_edge): Do not call set_block_for_insn if we
8000 do not have a basic_block_for_insn structure.
8002 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
8003 and destination functions are 32bit aligned within the trampoline.
8004 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
8005 (TRAMPOLINE_ALIGNMENT): Define.
8007 * cse.c (cse_insn): When changing (set (pc) (reg)) to
8008 (set (pc) (label_ref)), verify the change creates a valid insn.
8010 * fr30.c (call_operand): Tighten and rework to match rules for
8011 call RTL expressions.
8012 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
8013 * fr30.md (call patterns): Improve constraints.
8015 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
8017 * fr30.c (fr30_expand_epilogue): Revert last change.
8018 Use emit_jump_insn for the return insn.
8020 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
8021 Stan Cox <scox@cygnus.com>
8023 * predict.c: New file. Preliminary infrastructure work for static
8024 branch prediction and basic block reordering.
8025 * basic-block.h: Add prototype for estimate_probability.
8026 * Makefile.in: Add rules for predict.o.
8028 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
8030 * fixincludes (va_list): Use __not_va_list__ for the dummy.
8031 * fixinc/*: Likewise.
8033 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8035 * cccp.c: PROTO -> PARAMS.
8037 * collect2.c: Likewise.
8038 * combine.c: Likewise.
8039 * convert.h: Likewise.
8041 * dbxout.c: Likewise.
8042 * dbxout.h: Likewise.
8043 * diagnostic.c: Likewise.
8044 * doprint.c: Likewise.
8045 * dwarf2out.c: Likewise.
8046 * dwarf2out.h: Likewise.
8047 * dwarfout.c: Likewise.
8048 * dwarfout.h: Likewise.
8049 * dyn-string.h: Likewise.
8051 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8053 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
8054 macro conditionals guarding use.
8056 * dwarf2out.c: Include "tm_p.h".
8058 * function.c (locate_and_pad_parm): Mark parameter with
8060 (expand_function_end): Likewise for variable `context'.
8062 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
8064 2000-01-13 Nick Clifton <nickc@cygnus.com>
8066 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
8067 register to prevent compile time warnings.
8069 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
8071 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
8072 to avoid -Wtraditional warning.
8074 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8076 * 1750a-protos.h: New file.
8078 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
8081 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
8084 * 1750a.md: Likewise.
8086 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8088 * a29k-protos.h: New file.
8090 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
8093 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
8096 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8098 * clipper-protos.h: New file.
8100 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
8103 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
8106 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8108 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
8110 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
8112 * configure.in (--enable-new-gxx-abi): New option.
8113 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
8114 * Makefile.in (GXX_ABI_FLAG): New variable.
8115 * configure: Regenerate.
8117 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8119 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
8120 * tm.texi (FORCE_STRUCT_BLK): Document.
8121 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
8123 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
8125 * config/ns32k/ns32k.md: Revert Jan 9 change.
8127 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
8128 to a mode-test, if the predicate is address_operand.
8130 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
8132 * combine.c (if_then_else_cond): Be careful about what kinds
8133 of RTL expressions are passed to operand_subword.
8135 * flow.c (split_edge): If we have to insert a new jump, make
8136 sure to associate it with a basic block.
8138 * flow.c (commit_one_edge_insertion): A block with one successor
8139 can end in a JUMP_INSN that is not a simplejump.
8141 2000-01-12 Robert Lipe <robertl@sco.com>
8143 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
8144 (BUILD_VA_LIST_TYPE): Define.
8145 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
8148 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
8150 * cccp.c (do_pragma): Add cast to (char *).
8152 2000-01-12 Richard Henderson <rth@cygnus.com>
8153 Fred Fish <fnf@be.com>
8154 Jason Merrill <jason@cygnus.com>
8156 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
8157 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
8158 * i386/beos-elf.h, i386/beos-pe.h: New files.
8160 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
8161 * cross-make (SYSTEM_HEADER_DIR): Define using
8162 CROSS_SYSTEM_HEADER_DIR.
8164 * gcc.c (LIBRARY_PATH_ENV): Provide default.
8165 (process_command): Use it.
8166 (main): Likewise. Kill trailing = from env vars.
8167 (build_search_list): Put it back.
8168 * collect2.c (main): Use LIBRARY_PATH_ENV.
8170 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
8171 * toplev.c: Use NEED_DECLARATION_ENVIRON.
8173 * tm.texi (Frame Layout): Document SMALL_STACK.
8174 * c-common.c (c_common_nodes_and_builtins): Check it.
8176 * system.h: Undef alloca after including glibc's <stdlib.h>,
8177 if USE_C_ALLOCA is defined.
8179 * gcc.c (set_input): New fn.
8180 (main): After all input files are compiled, reset the input file
8183 * aclocal.m4 (rindex, index): If already defined, don't attempt
8186 * ginclude/varargs.h: (__va_list__): Define ifndef.
8187 * ginclude/stdarg.h: Likewise.
8189 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
8190 instead of unsigned char.
8192 * hash.h (true, false, boolean): Undef before enum.
8194 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
8195 proper type of "HOST_WIDE_INT *", rather than their natural type of
8196 "unsigned HOST_WIDE_INT *".
8198 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8200 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
8202 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
8204 * regclass.c (choose_hard_reg_mode): Likewise.
8206 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
8208 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
8210 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8212 * c-common.c: PROTO -> PARAMS.
8213 * c-common.h: Likewise.
8214 * c-decl.c: Likewise.
8215 * c-iterate.c: Likewise.
8216 * c-lang.c: Likewise.
8217 * c-lex.c: Likewise.
8218 * c-lex.h: Likewise.
8219 * c-parse.in: Likewise.
8220 * c-pragma.c: Likewise.
8221 * c-pragma.h: Likewise.
8222 * c-tree.h: Likewise.
8223 * c-typeck.c: Likewise.
8224 * objc/objc-act.c: Likewise.
8225 * objc/objc-act.h: Likewise.
8227 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8229 * m88k-protos.h: New file.
8231 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
8234 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
8236 * m88k.md: Likewise.
8238 * tekXD88.h: Likewise.
8240 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8242 * m68k-protos.h: New file.
8244 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
8247 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
8249 * mot3300.h: Likewise.
8251 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
8253 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
8255 (extract_bitlist): Declare bitlen.
8257 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
8259 * cccp.c: Accept and ignore -lang-fortran.
8261 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
8262 qualifiers don't match at any level of pointerness.
8264 2000-01-12 Robert Lipe <robertl@sco.com>
8266 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
8268 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
8270 * reload1.c (reload_reg_unavailable): New static variable.
8271 (reload_reg_free_p): Test it.
8272 (reload_reg_free_for_value_p): Test it instead of
8274 (choose_reload_regs_init): Compute it.
8276 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
8278 * reorg.c (fill_slots_from_thread): Check modified_in_p
8281 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
8283 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
8284 these nodes even if INTERNALS is not set.
8286 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
8288 * gcse.c (delete_null_pointer_checks_1): Cope when
8289 get_condition cannot determine the condition.
8291 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
8293 * toplev.h (set_message_length): Declare.
8295 * diagnostic.c (obstack_chunk_alloc): Define macro.
8296 (obstack_chunk_free): Likewise.
8297 (struct output_buffer): New data structure.
8299 (output_maximum_width): New variable.
8300 (doing_line_wrapping, set_message_length, init_output_buffer,
8301 get_output_prefix, output_space_left, emit_output_prefix,
8302 output_newline, output_append, output_puts, dump_output,
8303 vbuild_message_string, build_message_string, build_location_prefix,
8304 voutput_notice, output_printf, line_wrapper_printf,
8305 vline_wrapper_message_with_location): New functions. Implement
8306 automatic line wrapping.
8307 (v_message_with_decl): Make it handle automatic line wrapping.
8308 (v_error_with_file_and_line): Likewise.
8309 (v_warning_with_file_and_line): Likewise.
8310 (announce_function): Likewise.
8311 (default_print_error_function): Likewise.
8313 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
8315 * cpplib.h (struct cpp_options): Change lang_asm to char.
8317 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
8318 done in cpp_handle_option now.
8319 (initialize_builtins): Take out special case code used only by
8321 (cpp_handle_option): Turn off trigraphs and trigraph warnings
8322 if -traditional. Recognize -lang-fortran and set
8323 lang_fortran, also turn off cplusplus_comments.
8324 (print_help): Document -lang-fortran.
8325 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
8326 lang_asm. Ignore all directives other than `# 123 "file"' if
8328 (cpp_get_token): If -traditional, don't recognize directives
8329 unless the # is in column 1.
8330 (parse_string): If lang_fortran or lang_asm, silently
8331 terminate strings ('' or "") at end of line.
8332 Remove unnecessary braces.
8334 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8335 Richard Henderson <rth@cygnus.com>
8337 * resource.c (mark_referenced_resources): Mark a set strict_low_part
8339 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
8340 strict_low_part when possible.
8342 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8344 * alias.c: PROTO -> PARAMS.
8345 * basic-block.h: Likewise.
8346 * bitmap.c: Likewise.
8347 * bitmap.h: Likewise.
8348 * builtins.c: Likewise.
8349 * c-aux-info.c: Likewise.
8350 * caller-save.c: Likewise.
8351 * calls.c: Likewise.
8353 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8355 * Makefile.in (toplev.o): Depend on regs.h.
8357 * output.h (tdesc_section): Prototype.
8359 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
8361 * sdbout.c: Include "tm_p.h".
8363 * toplev.c: Include "regs.h".
8365 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
8367 * unroll.c (unroll_loop): Add EH support.
8369 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8371 * pa-protos.h: New file.
8373 * pa.c: Include recog.h and tm_p.h.
8374 (compute_zdepwi_operands, compute_movstrsi_length,
8375 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
8376 find_addr_reg, import_milli): Add static prototypes.
8377 (pa_cpu_string, pa_arch_string): Constify a char*.
8378 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
8379 (read_only_operand): Add argument `mode'.
8380 (singlemove_string, output_move_double, output_fp_move_double,
8381 output_block_move, output_and, output_ior, output_ascii,
8382 remove_useless_addtr_insns, milli_names, output_mul_insn,
8383 output_div_insn, output_mod_insn, output_arg_descriptor,
8384 output_cbranch, output_bb, output_bvb, output_dbra, ,
8385 output_millicode_call, output_call, hppa_encode_label,
8386 output_parallel_movb, output_parallel_addb): Constify a char*.
8387 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
8388 (output_parallel_addb): Remove extra arg to `constrain_operands'
8390 * pa.h: Move all prototypes to pa-protos.h.
8391 (pa_cpu_string, pa_arch_string): Constify a char*.
8392 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
8394 * pa.md: Call `function_label_operand' with mode argument.
8395 Likewise for `read_only_operand'.
8396 Fix nesting of parens in call to `symbolic_operand'.
8398 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8400 * i860-protos.h: New file.
8402 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
8405 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
8407 * i860.md: Likewise.
8409 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
8411 * i386.md (movstrsi expander): Rewrite.
8412 (movstrsi_1 insn): Deleted.
8413 (strmovhi, strmovqi expander): New expanders.
8414 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
8415 * i386.c (x86_single_stringop): New global variable.
8416 * i386.h (x86_single_stringop): Declare.
8417 (TARGET_SINGLE_STRINGOP): New macro.
8419 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
8421 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
8422 integer vararg POSTINCREMENT before the destination of the jump
8423 for the hard fp case.
8424 (function_arg_pass_by_reference): Pass a copy of CUM to
8427 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
8428 for CONSTANT_ADDRESS_P above while loop for subreg.
8430 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
8432 * flow.c (propagate_block): When a prologue/epilogue insn
8433 is marked dead, unconditionally clear libcall_is_dead and
8434 insn_is_dead, and only dump rtl if warnings aren't being
8437 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
8439 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
8440 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
8441 (FIXED_REGISTERS): Set dirflag as fixed.
8442 (CALL_USED_REGISTERS): Set dirflag as used.
8443 (REG_ALLOC_ORDER): Set dirflag as last one.
8444 (DIRFLAG_REG): New macro.
8445 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
8446 (HI_REGISTER_NAMES): Add dirflag.
8447 (DEBUF_PRINT_REG): Handle dirflag.
8448 * i386.md (type attribute): New cld and str types.
8449 (length_opcode attribute): Set cld and str to 1.
8450 (memory attribute): Set str to unknown - it is not clear from the
8452 (pent_np function unit): Prefixed string operations takes 12 cycles
8453 minimally; cld takes 2 cycles.
8454 (ppro_uops attribute): Str is "many" and cld is "few".
8455 (ppro_p0 unit): Handle cld here.
8456 (k6_alux unit): Handle cld and str types.
8457 (k6_load unit): It is ocupied by str opcodes.
8458 (k6_store unit): It is ocupied by str opcodes.
8459 (athlon_decode): Str is vector decoded.
8460 (athlon_ieu): Handle str and cld.
8462 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
8463 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
8464 cmpstrsi_nz_1 insn): Do not output cld instruction
8466 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
8468 * gcc.texi (G++ and GCC): Add Java and Chill.
8469 (Bug Critera): Don't list languages.
8471 * gcc.texi (Incompatibilities): No longer claim most C compilers
8474 * gcc.texi (G++ and GCC): Update other front-ends list.
8476 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
8478 * i386.c (ix86_expand_setcc): Fix typo.
8479 (ix86_expand_movcc): Similarly.
8481 * Band-aid until haifa's bitset implementation is nuked.
8482 * haifa-sched.c (extract_bitlst): New parameter for size of the
8483 bitset in bits. All callers changed. Avoid looking at undefined
8485 (edgeset_bitsize): New variable.
8486 (schedule_region): Initialize edgeset_bitsize.
8488 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8490 * Makefile.in (optabs.o): Depend on real.h
8491 (resource.o): Depend on insn-attr.h
8493 * builtins.c (result_vector): Wrap prototype in macro conditions
8494 governing definition and use.
8496 * c-common.c: Include tm_p.h.
8498 * c-lex.c: Likewise.
8500 * elfos.h: Constify a char*.
8502 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
8503 (get_attr_length, shorten_branches, profile_after_prologue): Mark
8504 parameter with ATTRIBUTE_UNUSED.
8506 * fold-const.c (exact_real_inverse): Wrap variable `i' in
8509 * haifa-sched.c (schedule_insns): Mark parameter with
8512 * optabs.c: Include real.h.
8514 * real.h (ereal_atof): Add prototype arguments.
8516 * resource.c: Include insn-attr.h.
8518 * sdbout.c (sdbout_queue_anonymous_type,
8519 sdbout_dequeue_anonymous_types): Wrap in macro
8520 SDB_ALLOW_FORWARD_REFERENCES.
8521 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
8524 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
8526 * stupid.c: Include tm_p.h.
8528 * tree.c (real_value_from_int_cst): Mark parameter with
8531 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8533 * i960-protos.h: New file.
8535 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
8538 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
8540 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8542 * combine.c (expand_field_assignment): Do not discard SUBREGs
8543 while computing nonzero_bits.
8545 2000-01-09 Nick Clifton <nickc@cygnus.com>
8547 * config/arm/arm.c: Fix compile time warnings about signed vs
8549 * config/arm/arm.h: Fix compile time warnings about signed vs
8552 2000-01-09 Philip Blundell <philb@gnu.org>
8554 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
8555 than `ldm' with only one register.
8556 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
8559 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
8562 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
8564 * config/ns32k/ns32k.md (load or push effective address): Operand 1
8567 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8569 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
8570 assignment used as truth value.
8572 * function.c (assign_temp): Mark parameter `dont_promote' with
8573 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
8574 PROMOTE_FOR_CALL_ONLY.
8576 * genrecog.c (write_subroutine): Mark variable `operands' with
8579 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
8582 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
8583 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
8585 * toplev.c (note_deferral_of_defined_inline_function): Likewise
8588 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8590 * config/c4x.h: Tidy up comments.
8591 * config/c4x.c: Likewise.
8593 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
8595 * fold-const.c (lshift_double, rshift_double): Handle
8596 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
8598 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8600 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
8601 in prepare_function_start().
8603 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
8605 * config/v850/v850.c (expand_epilogue): Interrupt functions no
8606 longer allocate extra stack for function calls.
8608 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8610 * config/c4x/c4x.md (*subqf3_set): Fix typo.
8612 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8614 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
8616 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8618 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8619 * aix43.h: Revert Aug 2 change.
8620 (HAS_INIT_SECTION): Define, not visible yet.
8621 (LD_INIT_SWITCH): Define, not visible yet.
8622 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8624 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
8626 * collect2.c (main): Expand ld2 size further.
8627 (export_object_lst): Cast assignment to avoid warning.
8628 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
8629 (scan_prog_file, COFF): Do not collect initialization or
8630 finalization functions generated for entire shared object if
8631 init/fini support present.
8633 2000-01-07 Nick Clifton <nickc@cygnus.com>
8635 * config/elfos.h: Tidy up formatting of marcos. Make sure
8636 that .section directives are always prefixed by a tab.
8638 * config/svr4.h: Add #include "elfos.h" and remove duplicate
8641 2000-01-07 Matt Austern <austern@sgi.com>
8643 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
8646 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
8648 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
8650 (crtbegin.o, s-crtS): Likewise.
8652 2000-01-06 Richard Henderson <rth@cygnus.com>
8654 * alpha.md (adddi_2+1): Limit offset such that it will be
8655 loadable with a single ldah+lda pair.
8656 (adddi_2+2): Explicitly fail split if we can't make it work.
8658 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
8660 * protoize.c: Conditionally include unistd.h.
8661 (IS_SAME_PATH_CHAR): New macro.
8662 (IS_SAME_PATH): New macro.
8663 (CPLUS_FILE_SUFFIX): New macro.
8664 (cplus_suffix): New static variable.
8665 (is_abspath): New static function.
8666 (in_system_include_dir): Handle DOS style pathnames.
8667 (file_could_be_converted): Likewise.
8668 (file_normally_convertible): Likewise.
8669 (directory_specified_p): Likewise.
8670 (file_excluded_p): Likewise.
8671 (abspath): Likewise.
8672 (shortpath): Likewise.
8673 (referenced_file_is_newer): Likewise.
8674 (save_def_or_dec): Likewise.
8675 (do_processing): Likewise.
8677 (edit_file): Likewise. Use rename instead of link.
8678 (rename_c_file): Likewise. Don't rename syscalls file.
8679 (munge_compile_params): Define null device for DOS based systems.
8680 (process_aux_info_file): Use binary mode if appliable.
8681 (edit_file): Likewise.
8682 * invoke.texi (Running Protoize): Document C++ suffixes used.
8684 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
8685 IS_DIR_SEPARATOR macros.
8686 * collect2.c: Likewise.
8687 * cppinit.c: Likewise.
8688 * dwarf2out.c: Likewise.
8691 * prefix.c: Likewise.
8693 * toplev.c: Likewise.
8694 * system.h: And move to here.
8696 * prefix.c (update_path): Fix typo in variable name.
8698 2000-01-06 Richard Henderson <rth@cygnus.com>
8700 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
8701 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
8702 (count_reg_sets_1, count_reg_references): Likewise.
8703 (flow_loops_level_compute): Start counting actual loop depth at 1.
8704 (flow_loops_find): Likewise.
8705 * local-alloc.c (update_equiv_regs): Likewise.
8706 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
8708 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
8710 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
8711 FIRST_PSEUDO_REGISTER
8712 * dwarf2out.c: Don't include frame.h
8713 * dwarfout.c: Likewise
8714 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
8717 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
8719 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8722 * i386.c (movsf splitter): Fix typo in my last checkin.
8724 2000-01-05 Nick Clifton <nickc@cygnus.com>
8726 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
8727 own definition of this macro.
8728 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
8729 flag_data_sections or UNIQUE_SECTION_P are true.
8731 * tm.texi (UNIQUE_SECTION): Document that it can be called for
8732 unitialised data decls.
8734 * config/i386/winnt.c (i386_pe_unique_section): Cope with
8735 being called for uninitialised data.
8737 * config/i386/interix.c (i386_pe_unique_section): Cope with
8738 being called for uninitialised data.
8740 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
8741 for uninitialised data.
8743 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
8744 for uninitialised data.
8746 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
8747 for uninitialised data.
8749 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
8750 (UNIQUE_SECTION_P): Always generate a unique section if
8751 flag_data_sections is true.
8752 (UNIQUE_SECTION): Also generate unique sections for
8754 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
8755 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
8758 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8760 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
8763 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8765 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
8766 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
8767 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
8768 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
8769 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
8771 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
8773 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
8775 * c-decl.c (finish_enum): Simplify code to determine minimum and
8776 maximum values of the enum, and calculate the type. Remove check
8777 for FUNCTION_DECLs in the values list, which cannot happen. Replace
8778 the DECL_INITIAL of each enumeration constant with a copy converted
8779 to the enumeration type. When updating variant types, don't bother
8780 updating the type itself.
8782 * c-typeck.c (build_binary_op): Simplify conditional expressions
8783 when weeding out spurious signed-unsigned warnings. Add new
8784 spurious warning category: if the unsigned quantity is an enum
8785 and its maximum value fits in signed_type(result_type). Update
8787 (build_conditional_expr): Warn here if one alternative is signed
8788 and the other is unsigned.
8790 2000-01-05 Nick Clifton <nickc@cygnus.com>
8792 * config/fr30/fr30.h: Remove extraneous comments.
8794 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
8796 * reload1.c (choose_reload_regs): When disabling a reload, also
8797 set reload_spill_index to -1.
8799 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8801 * configure.in (m68*-*-rtemscoff*): New target, formal name for
8803 (m68*-*-rtemself*): New target.
8804 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
8805 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
8806 (sparc*-*-rtemself*): New target.
8807 (sparc*-*-rtems*): Now elf not a.out.
8808 * config/i386/rtems.h: Include config/rtems.h.
8809 * config/i386/rtemself.h: Include config/rtems.h.
8810 * config/i960/rtems.h: Include config/rtems.h.
8811 * config/m68k/rtems.h: Include config/rtems.h.
8812 * config/m68k/rtemself.h: Include config/rtems.h.
8813 * config/mips/rtems64.h: Include config/rtems.h.
8814 * config/pa/rtems.h: Include config/rtems.h.
8815 * config/rs6000/rtems.h: Include config/rtems.h.
8816 * config/sh/rtems.h: Include config/rtems.h.
8817 * config/sh/rtemself.h: Include config/rtems.h.
8818 * config/sparc/rtems.h: Include config/rtems.h.
8819 * config/sparc/rtemself.h: Include config/rtems.h
8821 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
8823 * final.c (shorten_branches): Correctly compute length of
8824 asms without operands.
8826 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
8828 * configure.in: Add pj target.
8829 * configure: Regenerate.
8830 * config/pj: New directory.
8831 * config/pj/lib1funcs.S: New file.
8832 * config/pj/linux.h: New file.
8833 * config/pj/pj.c: New file.
8834 * config/pj/pj.md: New file.
8835 * config/pj/pjl.h: New file.
8836 * config/pj/t-pj: New file.
8837 * config/pj/xm-pj.h: New file
8839 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
8841 * toplev.c (rest_of_compilation): Run shorten-branches before
8844 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8846 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
8847 macros so that they're consistent with their names.
8848 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
8849 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
8851 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8853 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
8854 modified inadvertently.
8856 2000-01-04 Joel Sherrill <joel@OARcorp.com>
8858 * configure.in (v850*-*-rtems*): New target.
8859 * configure: Regenerate.
8860 * config/v850/rtems.h: New file.
8862 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
8864 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
8865 (__gthread_key_create): Likewise.
8866 (__gthread_key_dtor): Likewise.
8867 (__gthread_once): Fix logic.
8868 (__gthread_key_delete): Cast away constness.
8870 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
8871 * invoke.texi: Document.
8872 * i386/mingw32.h (CPP_SPEC): Use.
8873 (LIBGCC_SPEC): Likewise.
8874 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
8876 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8878 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
8879 (HANDLE_PRAGMA_PACK): Undefine.
8880 (SLOW_UNALIGNED_ACCESS): Define.
8882 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8884 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
8885 to default definition.
8886 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
8887 (store_fixed_bit_field): Call macro with word_mode and alignment.
8888 (extract_bit_field): Call macro with relevant mode and alignment.
8889 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
8890 to default definition.
8891 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
8893 (move_by_pieces_ninsns): Likewise.
8894 (clear_by_pieces): Likewise.
8895 (emit_push_insn): Likewise.
8896 (store_field): Call macro with relevant mode and alignment.
8897 (expand_expr): Likewise.
8898 (expand_expr_unaligned): Likewise.
8900 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8901 (SLOW_UNALIGNED_ACCESS): Define.
8902 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8903 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8904 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8905 (toc_section): Likewise and .toc pseudo-op.
8906 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8908 (TEXT_SECTION_ASM_OP): Likewise.
8909 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8912 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
8913 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
8914 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
8915 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
8916 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
8918 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
8920 * regclass.c: Revert my Jan 4 change to loop cost computation.
8922 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8924 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
8927 2000-01-04 Stan Cox <scox@cygnus.com>
8929 * haifa-sched.c (build_control_flow): Change unreachable simple
8930 loop test to check if current block has only one predecessor.
8931 (find_rgns): Initialize degree. Use dest as degree index, not src.
8933 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8935 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
8937 * calls.c (expand_call): Likewise for
8938 `old_stack_arg_under_construction'.
8940 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
8942 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
8945 * gcc.c (execute): Likewise for `ut' and `st'.
8947 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
8949 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
8951 * jump.c (jump_optimize_1): Likewise for `temp2'.
8953 * local-alloc.c (block_alloc): Likewise for `r1'.
8955 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
8957 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
8958 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
8960 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
8963 * reload.c (find_reloads): Likewise for `goal_alternative_number'
8964 and `goal_earlyclobber'.
8966 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
8968 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
8970 * stupid.c (stupid_life_analysis): Likewise for `chain'.
8972 * unroll.c (copy_loop_body): Likewise for `copy'.
8974 * varasm.c (output_constructor): Likewise for `byte'.
8976 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8978 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
8979 all FP constants for constant->reg moves.
8980 (ix86_split_to_parts): Try to convert memory address into immediate
8981 when available in the constant pool.
8982 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
8984 (LEGITIMATE_CONSTANT_P): Return 1.
8985 * i386.md (pushsf): New splitter to convert constant pool memory
8986 reference to immediate.
8987 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
8990 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
8992 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
8993 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
8994 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
8995 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
8996 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
8998 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
9000 * ginclude/stdbool.h: Support compilation as C++.
9002 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9004 * fold-const.c (make_range): Don't try to reverse an unbounded range.
9006 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
9008 * regclass.c (regclass): Properly compute loop_cost. Adjust
9011 * regclass.c: Fix minor whitespace problems.
9013 2000-01-03 Anthony Green <green@cygnus.com>
9015 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
9016 Restore the pic register if required.
9018 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
9020 * c-common.c (format_char_info): Update comment.
9021 (check_format_info): Recognize 'z' modifier in the same way 'Z'
9022 was recognized. Emit warning for formats new in ISO C99 only
9023 if flag_isoc9x is not set.
9025 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
9027 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
9029 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9031 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
9032 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
9033 (make_compound_operation): Choose cheaper alternative between
9034 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
9036 * regclass.c (op_costs): Remove global variable.
9037 (record_reg_classes): New parameter "op_costs" and "reg_pref".
9038 (record_operand_costs): Break out from ...
9039 (scan_one_insn): ... here.
9040 (dump_regclass): Make dumps nicer.
9041 (regclass): Dump preferrences choosed and changes done during passes.
9043 2000-01-03 Jakub Jelinek <jakub@redhat.com>
9045 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
9047 2000-01-03 Jakub Jelinek <jakub@redhat.com>
9049 * config/sparc/sparc.c (gen_df_reg): New function.
9050 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
9051 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
9052 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
9053 movtf_cc_reg_sp64+1): Use it.
9055 2000-01-02 Mark Mitchell <mark@codesourcery.com>
9057 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
9060 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9062 * config/i386/i386.c (ix86_expand_unary_operator): Function
9063 definition made void.
9064 (ix86_expand_binary_operator): Update outdated preceding comment.
9065 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
9068 * config/i386/i386.c (override_options): Fix option-name typo.
9070 2000-01-02 Mark Mitchell <mark@codesourcery.com>
9072 * system.h (CEIL): Define.
9073 * builtins.c (CEIL): Remove.
9074 * expmed.c (CEIL): Likewise.
9075 * expr.c (CEIL): Likewise.
9076 * stor-layout.c (CEIL): Likewise.
9078 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9080 * expr.c (store_constructor_field): Fix typo introduced with last
9083 2000-01-01 Mark Mitchell <mark@codesourcery.com>
9085 * tree.h (BINFO_N_BASETYPES): New macro.
9087 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
9089 * expmed.c (emit_store_flag): Prevent losing a pending stack
9090 adjust the same way we prevent losing queued increments.
9092 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9094 * function.c (update_temp_slot_address): Handle case where sum of
9095 temporary address plus offset in register is a valid address.
9097 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9099 * genrecog.c (change_state) Corrected typo.
9101 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9103 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
9104 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
9105 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
9107 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
9109 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
9110 case, expand GT comparisons correctly. Fix a comment before this
9113 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
9115 * dwarfout.c: Include "frame.h"
9116 * dwarf2out.c: Likewise.
9117 * Makefile.in (dwarfout.o): Depend on frame.h
9118 (dwarf2out.o): Likewise.
9120 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
9122 Restore i386 binary compatibility in Dwarf EH info.
9123 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
9124 value of FIRST_PSEUDO_REGISTER.
9125 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
9126 (struct frame_state): Use DWARF_FRAME_REGISTERS.
9127 * dwarfout.c (output_reg_number): Ditto.
9128 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
9129 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
9131 1999-12-29 Bruce Korb <autogen@linuxbox.com>
9133 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
9134 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
9135 (<hack>_RE_CT): not needed
9136 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
9137 rewritten to scan the file text once only
9138 "template<..." test added
9139 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
9140 (is_cxx_header): declaration added
9141 * fixinc/fixtests.c(is_cxx_header): removed
9142 (apply_fix_p_t): removed
9143 (double_slash_test): is_cxx_header is only called once now
9144 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
9145 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
9146 within the templates.
9147 The borken spelling of "broken" was fixed.
9148 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
9149 The default level depends on FIXINC_DEBUG.
9151 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9153 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
9154 Otherwise provide a declaration for atexit.
9155 (init_dummy): Make sure dummy call to atexit is nevertheless
9156 called with correct number of args.
9158 * frame.c: Update comments referring to other files.
9160 * libgcc2.c: Likewise.
9162 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9164 * cse.c (free_element, get_element): Remove unused prototypes.
9166 * fold-const.c (extract_muldiv): Initialize variables `op0' and
9169 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
9172 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
9174 * configure.in,configure: case arm for mn10200-*-* now sets
9175 float_format=i32 so that float.h will correctly claim "double"
9176 to be 32 bits. Ran autoconf to generate configure from .in file.
9178 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
9180 * pa.md (conditional zero): If op1 is a register, force it into
9181 the same register as op0.
9183 1999-12-28 Mark Mitchell <mark@codesourcery.com>
9185 * tree.h (BINFO_BASETYPES): Improve documentation.
9187 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9189 * configure.in (--enable-checking): Use a more portable `for'
9192 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9194 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
9195 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
9197 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
9200 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
9201 Delete descriptions.
9203 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
9204 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
9205 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
9206 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
9207 xm-svr4.h: Remove all instances of sys_siglist handling.
9209 1999-12-27 Jakub Jelinek <jakub@redhat.com>
9211 * config/sparc/sparc.md (cmp_zero_qi,
9212 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
9213 cmp_zero_extendqidi2_andcc_set): New patterns.
9215 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
9217 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
9218 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
9219 (fpgnulib.c, xfgnulib.c): Add rules.
9220 * m68k/t-mot3300-gas: Likewise.
9222 1999-12-27 Ian Lance Taylor <ian@zembu.com>
9224 * configure.in: Avoid [[ by using test and changequote. Add
9225 changequote required by 1999-12-14 change.
9226 * configure: Rebuild.
9228 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
9230 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
9232 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
9234 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
9235 * flow.c (find_use_as_address): Likewise.
9236 * function.c (fixup_var_refs_1): Likewise.
9237 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
9238 * jump.c (invert_exp, redirect_exp): Likewise.
9239 * loop.c (replace_call_address): Likewise.
9240 (count_nonfixed_reads): Likewise.
9241 * rtlanal.c (modified_between_p): Likewise.
9242 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
9243 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
9244 * unroll.c (remap_split_bivs): Likewise.
9246 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9248 * diagnostic.c (v_message_with_decl): Use .* format specifier
9249 instead of building the format specifier width manually.
9251 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
9252 determining whether to provide a prototype. Remove the
9253 sys_siglist clause in the conditional.
9255 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9257 * fold-const.c (operand_equal_p): Use memcmp to compare string
9259 Suggested by D. J. Bernstein
9261 1999-12-17 Jakub Jelinek <jakub@redhat.com>
9263 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
9264 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
9266 * config/mips/mips.h (TARGET_64BIT): Likewise.
9267 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
9268 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
9269 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
9270 dsps. Give routines proper names if SI/DI modes are not used.
9271 * longlong.h: Use DWunion instead of DIunion.
9273 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
9275 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
9276 GC_CHECKING, GC_ALWAYS_COLLECT.
9277 * configure.in: Allow --enable-checking with an argument
9278 listing check modes to enable.
9279 * config.in, configure: Rebuilt.
9280 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
9281 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
9282 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
9283 ENABLE_GC_ALWAYS_COLLECT.
9284 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
9286 * tree.h, tree.c: Change ENABLE_CHECKING to
9287 ENABLE_TREE_CHECKING throughout.
9289 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9291 * fold-const.c (fold_truthop): Properly check for FP RHS.
9293 1999-12-24 Mark Mitchell <mark@codesourcery.com>
9295 * toplev.h (note_deferall_of_defined_inline_function): Declare.
9296 * toplev.c (note_deferral_of_defined_inline_function): New
9297 function, split out from ...
9298 (rest_of_compilation): ... here. Use it.
9300 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9302 * expr.c (store_constructor): Don't call clear_storage if size is
9305 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9307 * Makefile.in (toplev.o): Depend on loop.h.
9309 * dwarfout.c: Include tm_p.h.
9311 * emit-rtl.c (restore_emit_status): Mark parameter with
9314 * final.c (final_scan_insn): Likewise.
9316 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
9317 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
9318 flow_depth_first_order_compute, flow_loop_pre_header_find,
9319 flow_loop_tree_node_add, flow_loops_tree_build,
9320 flow_loop_level_compute, flow_loops_level_compute,
9321 flow_loop_outside_edge_p): Add prototypes.
9322 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
9324 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
9325 Mark with ATTRIBUTE_NORETURN.
9327 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
9329 * local-alloc.c (no_conflict_p): Likewise.
9331 * loop.c (insert_bct): Hide definitions of variables with hidden
9333 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
9335 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
9336 with ATTRIBUTE_UNUSED.
9337 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
9338 (reg_scan): Likewise.
9340 * reload.c (find_reloads): Remove unused variables `changed'.
9342 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
9344 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
9345 Remove unused variable `insn'.
9347 * toplev.c: Include loop.h.
9348 (report_file_and_line): Remove unnecessary prototype.
9350 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
9352 * unroll.c (biv_total_increment): Likewise.
9354 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9356 * reload1.c (emit_input_reload_insns): Restore old behaviour
9357 wrt. 'special' reloads.
9359 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
9361 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
9362 hash.h. (cse.c): Don't depend on hashtab.h.
9364 * cse.c: Don't include hashtab.h.
9365 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
9367 * ggc-simple.c: Don't include hash.h.
9369 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
9371 * dwarf2out.c (add_abstract_origin_attribute): Call
9372 gen_abstract_function on our function context.
9374 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
9376 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
9378 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9380 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
9383 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9385 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
9386 constraints to "a!r".
9388 1999-12-21 Mark Mitchell <mark@codesourcery.com>
9390 * Makefile.in (calls.o): Depend on function.h.
9391 (alias.o): Likewise.
9393 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
9395 * reload1.c (emit_reload_insns): Break out code and variables into...
9396 (input_reload_insns, other_input_address_reload_insns,
9397 other_input_reload_insns, input_address_reload_insns,
9398 inpaddr_address_reload_insns, output_reload_insns,
9399 output_address_reload_insns, outaddr_address_reload_insns,
9400 operand_reload_insns, other_operand_reload_insns,
9401 other_output_reload_insns): ... new static variables, and...
9402 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
9403 do_output_reload): ... new functions.
9405 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9407 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
9409 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9411 * md.texi: Add c4x constraints documentation.
9413 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9415 * config/i386/dgux.c (struct option): Rename to
9416 lang_independent_option.
9417 (struct m_options): Add description field.
9418 (output_options): Rename option type, add sep declaration, output
9419 ix86_cpu_string and ix86_arch_string only if set.
9420 (output_file_start): Rename option type.
9422 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
9424 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
9426 (libgcc2.a): Similarly.
9428 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
9430 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
9431 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
9432 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
9434 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
9436 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
9437 Remove redundant initialization of "frexpon" and "expon".
9439 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9441 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
9443 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
9444 (store_constructor_field, expand_expr): Pass new arg.
9446 1999-12-20 Mark Mitchell <mark@codesourcery.com>
9448 * Makefile.in (explow.o): Depend on function.h.
9450 * stor-layout.c (set_sizetype): Fix typo.
9452 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
9454 * function.c (cfun): Renamed from current_function. All users
9456 * function.h (cfun): Rename declaration as well.
9458 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
9459 to be of type regset_head, not regset. All users changed by adding
9461 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
9463 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9465 * config/c4x/rtems.h: New file.
9467 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
9469 * reload1.c (spill_failure): Take class of failed reload as argument
9470 and print it. Caller changed.
9472 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9474 * rs6000.h (SUBTARGET_DEFAULT): New macro.
9475 (TARGET_SWITCHES): Allow subtargets to default switches.
9476 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
9478 1999-12-18 Mark Mitchell <mark@codesourcery.com>
9480 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
9483 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
9485 * cccp.c (main): Define __STDC_VERSION__ as necessary.
9486 * cppinit.c (cpp_handle_option): Likewise.
9488 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
9489 determine when to define.
9491 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
9493 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
9494 cmove with mismatched test and data modes.
9496 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
9498 * c-typeck.c (c_expand_start_case): Don't warn for long switch
9501 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9503 * alias.c: Minor reformatting.
9506 * stor-layout.c: Likewise.
9507 * fold-const.c: Likewise.
9508 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
9509 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
9511 (size_int_wide): Cache nodes even if garbage collecting.
9512 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
9513 of SAVE_EXPR has no side effects.
9514 * cse.c: Move a comment.
9515 * tree.c: Minor reformatting.
9516 (int_size_in_bytes): Return -1 if constant overflows.
9518 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9520 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
9522 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
9524 * objc/objc-parse.c: Regenerate. This file must be rebuilt
9525 after any change to c-parse.in, even if objc-parse.y didn't
9528 1999-12-18 David S. Miller <davem@redhat.com>
9530 * toplev.c (rest_of_compilation): Restore BLOCK tree
9531 reconstruction and branch shortening changes lost in
9532 December 18th change.
9534 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
9536 * config/arm/linux-elf.h: Change all instances of
9537 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
9538 * config/arm/uclinux-elf.h: Likewise.
9540 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
9542 * toplev.c (notice, vmessage, v_message_with_file_and_line,
9543 v_message_with_decl, file_and_line_for_asm,
9544 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
9545 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
9546 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
9547 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
9548 pfatal_with_name, fatal_io_error, need_error_newline,
9549 last_error_function, last_error_tick, announce_function,
9550 default_print_error_function, print_error_function,
9551 report_error_function, fnotice, error_with_file_and_line,
9552 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
9553 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
9554 warning_with_decl, warning_for_asm, warning, pedwarn,
9555 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
9557 (compile_file): Use fnotice instead of notice. Adjust call.
9559 * diagnostic.c: New file.
9561 * Makefile.in (OBJS): Include diagnostic.o
9562 (diagnostic.o): Define dependence.
9564 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9566 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
9569 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9571 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
9573 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
9575 * fixtests.c (is_cxx_header): New fn, split out of
9577 (else_endif_label): Allow "#endif // comment" in C++ headers,
9578 as determined by is_cxx_header.
9579 * fixfixes.c (else_endif_label_fix): Update comment.
9580 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
9582 * genfixes: Correct double thinko in commandline parsing.
9583 * hackshell.tpl: Generate correct sh syntax for bypass
9586 * inclhack.def (all): Whenever an inserted preprocessor
9587 conditional is split over multiple lines, use double
9588 backslashes in this file so the fixed header will be readable.
9590 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
9591 and add bypass entry for correct version of this header.
9592 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
9593 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
9595 (hpux8_bogus_inlines): New fix, split from...
9596 (ultrix_atof_param) ... here.
9597 (math_expression): Add bypass entry keyed to glibc comment
9598 indicating the problem has been dealt with; disable
9599 unnecessary sed operations; update commentary.
9600 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
9601 add select and bypass entries, simplify shell operation.
9602 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
9604 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
9605 ultrix_atof_param): Add select entry.
9606 (stdio_va_list, sunos_mather_decl): Add bypass entry.
9607 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
9608 comments with the fixes they describe.
9610 * c-parse.in (string action): Do not warn about ANSI string
9611 concatenation in system headers. Affects C parser only.
9612 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
9614 1999-12-16 Jakub Jelinek <jakub@redhat.com>
9616 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
9617 compiling libgcc2 the macro depends always on arch cpp defines.
9619 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
9621 * loop.c (insert_loop_mem): Don't record MEMs from inside
9624 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
9626 * regclass.c (regclass): Do not use flowgraph when not optimizing.
9628 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
9629 notes too, create one when replacement failed, attempt to simplify
9631 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
9634 1999-12-16 Mark Mitchell <mark@codesourcery.com>
9636 * crtstuff.c (__dso_handle): Declare.
9637 (__cxa_finalize): Likewise.
9638 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
9641 * invoke.texi: Document -fuse-cxa-atexit.
9643 * tree.h (ptr_type_node): Document.
9644 (const_ptr_type_node): Likewise.
9646 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9648 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
9649 (optimize_reg_copy_2): Likewise.
9650 (optimize_reg_copy_3): Likewise.
9651 (fixup_match_2): Likewise.
9652 (regmove_optimize): Likewise.
9653 (fixup_match_1): Liekwise.
9655 * i386.md (HI to SImode promoting splitters): Rewrite.
9656 (pushsf mem peep2): New.
9657 (testhi to andhi peep2): Remove.
9658 * i386.h (x86_promote_QImode): New.
9659 (TARGET_PROMOTE_QImode): New.
9660 (PREDICATE_CODES): Add promotable_binary_operator.
9661 * i386.c (x86_promote_QImode0: New.
9662 (promotable_binary_operator): New.
9663 * i386-protos.h (promotable_binary_operator): New.
9665 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
9667 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
9669 1999-12-16 Mark Mitchell <mark@codesourcery.com>
9671 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
9672 * function.c (insert_block_after_note): Remove.
9673 (retrofit_block): Likewise.
9674 (identify_blocks): Fix indentation.
9675 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
9676 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
9677 * function.h (insert_block_after_note): Remove prototype.
9678 (retrofit_block): Likewise.
9679 * integrate.c (expand_inline_function): Don't call
9680 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
9681 just expand_start_bindings. Use the block_map to remap old
9682 NOTE_BLOCKs to new ones.
9683 (integrate_decl_tree): Keep track of remapped blocks.
9684 * integrate.h (struct inline_remap): Add block_map.
9685 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
9686 NOTE_BLOCK on the notes.
9687 (expand_start_bindings): Rename to ...
9688 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
9689 (expand_end_bindings): Set NOTE_BLOCK.
9690 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
9691 reconstruct the BLOCK tree.
9692 * tree.h (expand_start_bindings): Macroize. Call ...
9693 (expand_start_bindings_and_block): New function.
9695 1999-12-16 Jakub Jelinek <jakub@redhat.com>
9697 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
9698 to match the format.
9700 1999-12-16 David S. Miller <davem@redhat.com>
9702 * expr.c (emit_move_insn_1): Only emit clobbers if one of
9703 the outputs is a SUBREG.
9704 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
9707 * config/sparc/sparc.c (epilogue_renumber): Add default case
9710 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9712 * toplev.c (rest_of_compilation): Run branch shortening after
9715 * regclass.c (loop_depth): Remove
9716 (scan_one_insn): Do not handle LOOP_NOTE insns.
9717 (regclass): Go through basic blocks and set loop_cost
9719 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
9721 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
9723 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9725 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
9726 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
9727 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
9729 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
9731 * loop.c (insert_loop_mem): Ignore memory clobbers.
9733 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
9736 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
9738 * profile.c: Remove redundant #include "output.h".
9740 * h8300.md (HImode preinc peephole): Fix typo.
9742 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9744 * function.c (retrofit_block): Abort if we don't find a suitable insn.
9745 (insert_block_after_note): Abort if we don't have a previous block.
9746 Remove FN parameter.
9747 * function.h: Adjust.
9749 1999-12-15 Mark Mitchell <mark@codesourcery.com>
9751 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
9752 argument more than once.
9754 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9756 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
9758 1999-12-15 Jakub Jelinek <jakub@redhat.com>
9760 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
9762 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9764 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
9765 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
9766 update stack_alignment_needed.
9767 (prepare_function_start): Initialize stack_alignment_needed
9768 * function.h (struct function): Add field stack_alignment_needed.
9770 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9772 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
9773 Handle live_throughout / dead_or_set instead of live_before /
9775 (save_call_clobbered_regs): Get register livenessinformation from
9776 chain->live_throughout.
9777 (add_stored_regs): New function.
9778 (insert_restore, insert_save): Add restored / saved registers to
9780 * global.c (reg_dies): New parameter chain.
9781 (reg_becomes_live): Third parameter is regs_set now.
9782 Changed all callers.
9783 (reg_dies): New parameter chain. Changed all callers.
9784 (build_insn_chain): Set live_throughout instead of
9785 live_before / live_after.
9786 * reload.h (struct insn_chain): Replace members live_before /
9787 live_after with live_throughout / dead_or_set.
9788 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
9789 instead of live_before / live_after.
9790 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
9791 (order_regs_for_reload, find_reg, finish_spills): Likewise.
9792 (choose_reload_regs_init): Likewise.
9793 * stupid.c (current_chain, find_clobbered_regs): Delete.
9794 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
9795 instead of chain->live_before / chain->live_after.
9796 (mark_hard_ref): New function.
9797 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
9799 1999-12-15 David S. Miller <davem@redhat.com>
9801 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
9803 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9805 * flow.c (calculate_loop_depth): Make global, remove prototype,
9806 rewrite to use new loop infrastructure.
9807 (find_basic_block): Remove calculate_loop_depth call.
9808 * toplev.c (rest_of_compilation): Call find_basic_block.
9809 * output.h (calculate_loop_depth): Declare.
9811 * flow.c (dump_flow_info): Dump loop_depth.
9812 (flow_loops_nodes_find): Increase loop_depth for basic block in the
9814 (flow_loops_find): Initialize the loop_depth for each basic block.
9816 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9818 * tree.c (decl_function_context): Handle virtual functions.
9820 * tlink.c (scan_linker_output): Don't look in demangled name when
9821 looking for linker output keywords.
9823 * dwarfout.c (output_type): We can defer namespace-scope classes.
9825 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
9827 * regclass.c (record_reg_classes): Update comment for merging
9828 register class preferences in reg->reg copies. Tighten conditions
9829 for merging register class preferences in reg->reg copies.
9831 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
9833 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
9835 1999-12-14 Geoff Keating <geoffk@cygnus.com>
9837 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
9838 (INIT_SECTION_ASM_OP): Delete.
9839 (FINI_SECTION_ASM_OP): Delete.
9840 (STARTFILE_SPEC): Define to hold just crtbegin.o.
9842 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
9844 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
9845 the abstract origin wasn't emitted.
9847 * dwarf2out.c (class_scope_p): New fn.
9848 (gen_subprogram_die): Use it.
9849 (gen_variable_die): Use it. Tweak logic.
9850 (gen_struct_or_union_type_die): Check context_die to determine
9851 if we're function-local.
9852 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
9854 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9856 * loop.c (check_dbra_loop): Can't reverse a biv that has
9859 1999-12-14 Nick Clifton <nickc@cygnus.com>
9861 * config/arm/arm.c: Add support for -mcpu=arm720 command line
9864 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9866 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
9867 for givs made from biv increments.
9869 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
9871 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
9872 * alpha.c (override_options): Recognize -mcpu=ev67.
9873 * alpha.h (CPP_CPU_EV67_SPEC): New.
9874 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
9875 (EXTRA_SPECS): Update.
9877 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
9879 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
9880 appropriate for -lang-c89 and -std=*.
9881 * cppinit.c (cpp_handle_option): Likewise.
9882 (new_pending_define): New, split out from cpp_handle_option.
9883 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
9884 or enable trigraphs for -ansi/-std=*.
9886 * ginclude/stdarg.h (__va_copy): New.
9887 (va_copy): Don't define for C89.
9889 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
9891 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
9892 for long long multiply-accumulate.
9894 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9896 * regclass.c (scan_one_insn): Set loop_cost to 1 when
9897 optimizing for size.
9899 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9901 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
9902 if something changed. Back out that part of yesterday's changes.
9904 * loop.c (loop_max_reg): New static variable.
9905 (loop_optimize): Initialize it. Eliminate one unnecessary call to
9907 (scan_loop): Call reg_scan_update whenever we may have added new
9908 registers, and update loop_max_reg.
9910 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9912 * regclass.c (record_reg_classes): Do not do the copying preferrencing
9913 when source does not die.
9915 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
9917 1999-12-14 Jakub Jelinek <jakub@redhat.com>
9919 * config/sparc/linux64.h (TARGET_LIVE_G0,
9920 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
9922 * config/sparc/linux.h (TARGET_LIVE_G0,
9923 TARGET_BROKEN_SAVERESTORE): Likewise.
9924 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9925 TARGET_BROKEN_SAVERESTORE): Likewise.
9927 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
9928 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
9930 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
9931 as sparc64 block profiling register.
9932 * config/sparc/sparc.c (sparc_override_options): Allow block
9933 profiling with -m32.
9934 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
9936 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
9937 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
9938 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
9940 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
9942 * config/sparc/sparc.h: Likewise.
9943 * config/sparc/xm-sysv4-64.h: Likewise.
9944 * config/float-sparc.h: Likewise.
9945 * glimits.h: Likewise.
9946 * longlong.h: Likewise.
9948 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
9949 (ASM_IDENTIFY_GCC): Remove.
9951 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9953 * combine.c (combine_simplify_rtx): Don't make shared rtl.
9954 (simplify_logical): Likewise.
9956 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
9958 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
9959 * cppfiles.c (INO_T_EQ): Likewise.
9961 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
9963 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
9964 * i386/mingw32.h (LIB_SPEC): Likewise.
9965 (STARTFILE_SPEC): Likewise.
9966 * i386/uwin.h (LIB_SPEC): Likewise.
9967 (STARTFILE_SPEC): Likewise.
9969 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
9970 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
9972 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
9974 * combine.c (combine_simplify_rtx): Fix order of checks for
9975 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
9977 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
9979 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
9980 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
9982 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
9984 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
9986 * regclass.c (inv_reg_alloc_order): New array.
9987 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
9989 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
9990 counted_for_groups, counted_for_nongroups. Add fields rld and
9992 * reload.c (push_secondary_reload): Don't set nongroup field of
9994 (push_reload): Likewise.
9995 (find_reloads): Delete code to compute nongroup fields.
9996 * reload1.c (reload_insn_firstobj): New static variable.
9997 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
9999 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
10000 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
10001 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
10003 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
10005 (struct hard_reg_n_uses): Deleted.
10006 (potential_reload_regs): Deleted.
10007 (init_reload): Initialize spilled_pseudos and pseudos_counted.
10008 (reload): Don't try to allocate reload registers if we already know
10009 we have to make another pass. Call select_reload_regs. Free memory
10010 starting with reload_firstobj when starting another pass.
10011 Don't allocate spilled_pseudos.
10012 (calculate_needs_all_insns): Call copy_reloads for an insn that
10013 needs reloads; don't call calculate_needs.
10014 (spill_cost): New static array.
10015 (used_spill_regs_local): New static variable.
10016 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
10017 to compute potential_reload_regs.
10018 (find_reload_regs): Completely rewritten to use find_reg.
10019 (allocate_reload_reg): Don't test counted_for_groups or
10020 counted_for_nongroups. Lose NOERROR arg and code to give an error;
10021 all cllers changed.
10022 (choose_reload_regs): Add fallback code that uses the existing
10023 register allocation from find_reload_regs.
10025 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
10027 * flow.c (create_edge_list): Cast xmalloc return value.
10029 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
10031 * doprnt.c: Remove incorrect comment closure.
10033 * cse.c: Fix a few minor whitespace goofs.
10035 1999-12-13 Don Bowman <don@pixstream.com>
10037 * mips/vxworks.h: Fix problem with comment termination.
10038 (EXTRA_SECTIONS): Add in_sbss.
10039 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
10041 1999-12-12 David S. Miller <davem@redhat.com>
10043 * cse.c (struct cse_reg_info): Add hash_next member,
10044 reorder rest of struct for better packing on 64-bit
10046 (cse_reg_info_tree): Kill.
10047 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
10048 REGHASH_FN): New custom pow2 hash mechanism.
10050 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
10051 use a pow2 hash table.
10052 (get_cse_reg_info): Rework to use new REGHASH.
10053 (new_basic_block): Likewise, use HASH_SIZE, and inline
10055 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
10056 and inline free_element call.
10057 (lookup_as_function, insert, flush_hash_table, invalidate,
10058 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
10059 invalidate_for_call, use_related_value, find_comparison_args,
10060 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
10061 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
10062 get_element): Kill.
10064 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
10066 * cse.c (cse_basic_block): Free qty_table consistently.
10068 1999-12-12 David S. Miller <davem@redhat.com>
10069 Jakub Jelinek <jakub@redhat.com>
10071 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
10072 SUBREGs by hand, gen the appropriate hard reg directly.
10073 (movtf reg/mem split): Likewise and alter_subreg on destination
10075 (movtf mem/reg split): Similarly.
10076 (movdf_cc_sp64): Rename from hidden pattern.
10077 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
10078 (movtf_cc_sp64, following split): New pattern and splitter.
10079 (movdf_cc_reg_sp64): Rename from hidden pattern.
10080 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
10082 (movtf_cc_reg_sp64, following split): New pattern and splitter.
10084 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
10086 * loop.c (load_mems): Don't hoist written floating point mem
10089 1999-12-12 Mark Mitchell <mark@codesourcery.com>
10091 * except.h (struct eh_queue): Add `next' pointer.
10092 (struct eh_status): Make x_ehqueue a pointer.
10093 (push_ehqueue): Declare.
10094 (pop_ehqueue): Likewise.
10095 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
10097 (expand_fixup_region_end): Likewise.
10098 (expand_leftover_cleanups): Likewise.
10099 (push_ehqueue): Define.
10100 (pop_ehqueue): Likewise.
10101 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
10102 than doing it inline.
10103 (expand_start_all_catch): Adjust now that ehqueue is a
10105 (mark_eh_queue): Mark all level of the queue.
10106 (mark_eh_status): Adjust now that ehqueue is a
10108 (init_eh_for_function): Allocate ehqueue.
10109 (free_eh_status): Free it.
10110 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
10111 expansion for a fixup.
10113 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10115 * gthr-single.h (__gthread_active_p): Add prototype arguments.
10117 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
10118 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
10119 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
10120 function_ptr, getpagesize, __enable_execute_stack,
10121 __enable_execute_stack, __clear_insn_cache,
10122 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
10123 _cleanup, _exit, __default_terminate, __terminate_func,
10124 __terminate, __empty, __throw, new_eh_context,
10125 eh_context_initialize, eh_context_static, eh_context_specific,
10126 get_eh_context, __get_eh_context, __get_eh_info,
10127 init_reg_size_table, eh_threads_initialize,
10128 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
10129 __unwinding_cleanup, throw_helper, __throw, __rethrow,
10130 __pure_virtual): Add prototype arguments.
10131 (__bb_exit_func): Cast a sizeof to long when comparing against one.
10132 Cast a signed value to unsigned long when comparing against one.
10133 (new_eh_context): Wrap in _GTHREADS macro.
10134 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
10136 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
10137 (throw_helper): Initialize variables `handler_p' and `pc_p'.
10139 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10141 * combine.c (record_promoted_value): Remove unused variable
10144 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
10146 * global.c (record_conflicts): Likewise for `j'.
10148 * genoutput.c (output_insn_data): Don't unnecessarily cast away
10151 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10153 * i386-protos.h (output_387_binary_op, output_fix_trunc,
10154 output_fp_compare): Constify a char*.
10156 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
10158 (override_options, ix86_comp_type_attributes, print_operand,
10159 output_387_binary_op, output_fix_trunc, output_fp_compare):
10161 (ix86_sched_reorder): Mark parameter `clock_var' with
10164 * i386.h (DEBUG_PRINT_REG): Constify a char*.
10166 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
10168 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
10169 operand, for use in the Java front-end.
10171 1999-12-10 Ben Collins <bcollins@debian.org>
10173 * configure.in: Fix typo for "-64" in 64bit as check.
10174 * configure: Rebuilt.
10176 1999-12-10 Jakub Jelinek <jakub@redhat.com>
10178 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
10181 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10183 * c-parse.in (string): With -Wtraditional, warn if ANSI string
10184 concatenation is utilized.
10186 * invoke.texi (-Wtraditional): Document it.
10188 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10190 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
10191 Cast a ptrdiff_t to long and pass it to printf with %ld.
10193 1999-12-10 Geoff Keating <geoffk@cygnus.com>
10195 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
10196 68881, we have no 68881 registers at all.
10197 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
10198 value in a 68881 register if it is available.
10200 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
10202 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
10203 for long long multiply-accumulate.
10205 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
10207 * loop.c (insert_loop_mem): Undo last change.
10209 1999-12-10 David S. Miller <davem@redhat.com>
10211 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
10213 * config/sparc/sparc-protos.h: Add them.
10214 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
10215 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
10216 constraints which use those helpers.
10217 (EXTRA_CONSTRAINT): Use this new macro.
10218 * md.texi: Update sparc target constraints documentation.
10219 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
10220 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
10221 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
10222 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
10223 (movsf high/lo_sum split): Rework for new patterns.
10224 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
10226 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
10228 * c-common.c (c_common_nodes_and_builtins):
10229 Create __builtin_ptrdiff_t and __builtin_size_t.
10231 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
10233 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
10235 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10237 * regclass.c (globalize_reg): Re-instate test that allows
10238 fixed registers to be declared as a variable even after functions
10241 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10243 * i386.md (cpu attribute): Add "athlon".
10244 (athlon_decode): New attribute.
10245 (Athlon scheduling units definitions): New.
10246 (fcmp and shld patterns): Set athlon_decode to "vector".
10247 * i386.c (athlon_cost): New.
10249 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
10250 x86_use_sahf): Set for Athlon.
10251 (x86_use_fiop): Unset for Athlon.
10252 (override_options): Define Athlon alignments and "athlon" name.
10253 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
10254 * i386.h (TARGET_ATHLON): New.
10255 (enum processor_type): Add PROCESSOR_ATHLON.
10256 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
10258 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
10260 1999-12-09 Andreas Jaeger <aj@suse.de>
10262 * loop.c (record_biv): Declare parameter as int.
10264 * config/i386/i386-protos.h: Declare long_memory_operand.
10266 1999-12-09 Mark Mitchell <mark@codesourcery.com>
10268 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
10269 EXPR_WITH_FILE_LOCATION.
10271 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10273 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
10276 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
10278 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
10281 1999-12-09 Jakub Jelinek <jakub@redhat.com>
10283 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
10284 default on linux64 again.
10285 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
10286 models for multilibing.
10287 * genmultilib: Accept | as alternative separator within a set in
10290 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
10292 * calls.c (precompute_arguments): Make sure initial_value contains
10293 value pseudo which CSE expects.
10294 * cse.c (struct set): New entry orig_src.
10295 (cse_insn): Set it early on entry, use it for libcall EQUIV note
10298 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
10300 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
10302 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
10304 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
10306 1999-12-08 Jakub Jelinek <jakub@redhat.com>
10308 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
10309 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
10311 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
10314 * longlong.h: Merge in changes from glibc.
10315 Also don't clobber %g2 register in 32bit SPARC assembly, so that
10316 -mno-app-regs libgcc can be compiled.
10317 * libgcc2.c: Add defines so that the updated longlong.h
10318 can be used in libgcc2.a. Also, make sure on most architectures
10319 (at least on all which have optimized code in longlong.h defined
10320 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
10322 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10324 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
10325 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
10326 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
10328 * configure: Rebuilt.
10330 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
10332 * alpha.c (secondary_reload_class): For !BWX, sub-simode
10333 outputs require a register.
10335 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
10337 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
10338 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
10339 functions like dptoul will be resolved.
10340 (libgcc2.a): Make sure that the object files from DPBIT are named
10341 differently (prefix `_dp') from those that would be coming from
10344 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
10346 * configure.in: When target is sparc* and tm_file contains 64,
10347 test for 64bit support in assembler. If not supported, remove
10348 sparc/t-sol2-64 from target-dependent Makefile fragments.
10349 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
10350 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
10351 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
10352 * acconfig.h (AS_SPARC64_FLAG): Added.
10353 * configure, config.in: Rebuilt.
10354 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
10355 support. Use AS_SPARC64_FLAG.
10357 1999-12-07 Jakub Jelinek <jakub@redhat.com>
10359 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
10360 suitable for holding OFmode values so that gcc works with complex
10362 (hard_64bit_mode_classes): Likewise.
10364 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
10365 so that it is actually matched.
10366 (sethi_di_medlow): Likewise.
10368 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
10369 as legitimate constant if -mvis.
10370 * config/sparc/sparc.md (movtf): Likewise.
10371 (clear_sf): Use const_double_operand.
10372 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
10374 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
10375 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
10376 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
10377 routines, _Qp_* cannot be handled like that now.
10378 (INIT_TARGET_OPTABS): Likewise.
10379 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
10380 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
10381 sparc_emit_float_lib_cmp if ARCH64 and soft float.
10382 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
10383 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
10384 divtf3, sqrttf3): New expanders.
10385 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
10386 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
10387 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
10390 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
10391 * configure: Rebuilt.
10392 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
10393 -mcpu is given and we're doing 64bit compiles.
10395 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
10397 * loop.h (struct induction): Add multi_insn_incr.
10398 * loop.c (basic_induction_var): New multi_insn_incr argument.
10399 Set it if we search back through previous insns for the biv.
10400 (record_biv): New multi_insn_incr argument; fill in struct induction.
10401 (strength_reduce): Discard an iv with multiple bivs, any of
10402 which require multiple insns to increment.
10404 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10406 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
10409 1999-12-06 David S. Miller <davem@redhat.com>
10411 * combine.c (check_promoted_subreg): Do not conditionalize this upon
10412 PROMOTE_FUNCTION_RETURN.
10414 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
10416 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
10417 and handle REG_UNUSED note on insn.
10419 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
10420 inner_mask instead of mask.
10422 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
10424 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
10425 zero if there was an error.
10427 1999-12-06 Jakub Jelinek <jakub@redhat.com>
10429 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
10432 * longlong.h: Fix clobbers in SPARC asm statements.
10434 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
10435 valid sethi operations when TARGET_ARCH64.
10437 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
10438 always use move_by_pieces to avoid infinite recursion.
10439 (restore_fixed_argument_area): Likewise.
10441 * combine.c (check_promoted_subreg, record_promoted_value): New
10443 (combine_instructions): Use them to retain nonzero and sign bit
10444 information after SUBREGs are eliminated by optimizations in
10445 this pass if PROMOTE_FUNCTION_RETURN.
10447 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
10448 .register declaration. Don't use variables with __ prefixes.
10450 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10452 * fold-const.c (optimize_bit_field_compare): Only use one mode
10453 for both RHS and LHS in non-constant case.
10455 1999-12-06 Nathan Sidwell <nathan@acm.org>
10457 * frame.c (start_fde_sort): Only allocate erratic array, if
10458 linear one was allocated. Return allocated flag.
10459 (fde_insert): Only insert, if there's a valid array.
10460 (fde_end_sort): Split, sort and merge if linear and erratic
10461 arrays exist, else just sort linear one.
10462 (search_fdes): New function. Linear search through original fde
10464 (frame_init): Permit multiple initializations. Cope with
10466 (find_fde): Fallback on linear search, if failed to sort array.
10467 (__deregister_frame_info): Only free sorted array, if we
10470 1999-12-06 Jakub Jelinek <jakub@redhat.com>
10472 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
10474 1999-12-05 Jakub Jelinek <jakub@redhat.com>
10476 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
10478 1999-12-05 Mark Mitchell <mark@codesourcery.com>
10480 * tree.h (special_function_p): Declare.
10481 * calls.c (special_function_p): Make it global. Don't take `name'
10482 as a parameter. Fix typo in 1999-11-28 change.
10483 (expand_cal): Adjust.
10485 1999-12-04 Mark Mitchell <mark@codesourcery.com>
10487 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
10488 * tree.h (EXPR_WFL_FILENAME): Define in terms of
10489 EXPR_WFL_FILENAME_NODE.
10490 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
10492 * print-tree.c (print_note): Print TREE_PRIVATE and
10495 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
10496 the original die cannot be found.
10498 * varray.h (varray_head_tag): Add elements_used.
10499 (VARRAY_PUSH): New macro.
10500 (VARRAY_POP): Likewise.
10501 (VARRAY_TOP): Likewise.
10502 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
10504 * varray.c (varray_init): Initialize elements_used.
10505 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
10506 (INTEGRATE_H): New variable.
10507 (integrate.o): Depend on INTEGRATE_H.
10508 (unroll.o): Likewise.
10510 * function.h (insert_block_after_note): Declare.
10511 * function.c (insert_block_after_note): Split out from ...
10512 (retrofit_block): ... here.
10514 * stmt.c (expand_fixup): Fix typo in comment.
10516 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10518 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
10519 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
10520 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
10521 (regmove_optimize, fixup_match_1): Likewise.
10523 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10525 * flow.c (flow_loops_dump): Add missing argument when calling
10526 flow_loop_nested_p.
10528 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
10529 Greg McGary <gkm@gnu.org>
10531 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
10532 (init_attributes): Add A_NO_LIMIT_STACK.
10533 (decl_attributes): Handle A_NO_LIMIT_STACK.
10534 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
10535 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
10536 Handle stack bounds checking.
10537 * flags.h (flag_stack_check): Use the word 'probe' rather than
10538 'check', because the flag doesn't actually cause any checking to
10540 * function.c (expand_function_start): Set
10541 current_function_limit_stack.
10542 * function.h (struct function): Add limit_stack.
10543 (current_function_limit_stack): Define.
10544 * invoke.texi (Code Gen Options): Document new options.
10545 * rtl.h: Declare stack_limit_rtx.
10546 * toplev.c (stack_limit_rtx): New variable.
10547 (decode_f_option): Handle new options -fstack-limit-register=REG,
10548 -fstack-limit-symbol=IDENT, -fno-stack-limit.
10549 (main): Add stack_limit_rtx as GC root.
10550 * tree.h (DECL_NO_LIMIT_STACK): New macro.
10551 (struct tree_decl): New member no_limit_stack.
10553 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
10555 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
10556 (conditional_trap+1): Get new mnemonic correct.
10557 (conditional_trap+2): New pattern for DImode traps.
10559 * config/m68k/m68k.c (output_function_prologue): Handle
10561 * config/m68k/m68k.md (trap): New insn.
10562 (conditional_trap): New insn.
10563 * md.texi (Standard Names): Document `trap' and
10564 `conditional_trap'.
10565 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
10566 so a cc0 setter doesn't get emitted at some random place in the
10569 * config/i960/i960.md (trap): New insn.
10570 (conditional_trap): New expander.
10571 (conditional_trap+1, conditional_trap+2): New insns for signed
10572 and unsigned cases.
10573 * config/i960/i960.c (i960_function_prologue): Use
10574 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
10576 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
10577 Geoffrey Keating <geoffk@cygnus.com>
10579 * flags.h (warn_padded, warn_packed): Add global var decls.
10580 * toplev.c (warn_padded, warn_packed): Add global var defns.
10581 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
10582 * stor-layout.c (layout_record): Add local variable `type'
10583 to hold often-used TREE_TYPE (field). Add local variable
10584 `unpacked_align' to hold alignment that would be in force
10585 if no `packed' attribute were present. Warn if `packed' attribute
10586 is unnecessary, or even harmful. Warn when gcc inserts padding
10587 to satisfy alignment requirements of members. Use NULL_TREE
10588 when checking whether var_size is set.
10589 * invoke.texi: Document new flags.
10591 1999-12-03 Nathan Sidwell <nathan@acm.org>
10593 * frame.c (fde_split): Reimplement to avoid variable sized array.
10595 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10597 * combine.c (try_combine): Before fixing up LOG_LINKS for the
10598 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
10600 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
10602 * invoke.texi: Document the mips option -mno-crt0
10604 1999-12-02 Mike Karr <mkarr@mathworks.com>
10606 * cccp.c (argdata): Added free_ptr member.
10607 (macroexpand): Initialize free_ptr of each argument. When an
10608 argument's buffers are freed, if the argument's free_ptr corresponds
10609 to a buffer on the input stack, then return the free_ptr to that stack
10610 frame, otherwise, free it.
10611 (macarg): If an argument begins and ends on the same input stack level,
10612 then transfer the free_ptr of that buffer to the argument in case
10613 the stack is popped during the processing of a subsequent argument.
10615 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
10617 * loop.c (note_reg_stored): New function.
10618 (struct note_reg_stored_arg): New structure.
10619 (try_copy_prop): Change to be more conservative; only replace within
10620 one extended basic block and stop replacing if a store to the
10621 replacement reg is seen.
10623 1999-12-02 Nick Clifton <nickc@cygnus.com>
10625 * config/fp-bit.c: Initialise all fields of the NAN
10628 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
10631 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
10633 * i386.md (extend?f?f2): Force the input into a register, not
10636 1999-12-01 Jakub Jelinek <jakub@redhat.com>
10638 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
10640 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
10641 alternative because setting up 64bit constant is usually costly,
10642 especially when reload is in progress or completed.
10643 (movdf_const_intreg_sp64): Likewise.
10644 (movdf_const_intreg split): Fix building up constants when
10645 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
10647 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
10649 * combine.c (if_then_else_cond): Use const_true_rtx instead of
10650 const1_rtx for return values in EQ/NE comparison against (const_int 0)
10653 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
10654 (asm_file_start): Emit .am33 into assembly file when compiling for
10656 (print_operand_address): Handle POST_INC addresses.
10657 (can_use_return_insn, initial_offset): Check AM33 registers too.
10658 (expand_prologue): Check & save AM33 registers too.
10659 (expand_epilogue): Similarly.
10660 (secondary_reload_class): Handle AM33 specific secondary reloads.
10661 (output_tst): Emit efficient code for the AM33 too.
10662 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
10663 (TARGET_SWITCHES): Add -mam33 switch.
10664 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
10665 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
10666 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
10667 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
10668 (enum reg_class, REG_CLASS_NAMES): Likewise.
10669 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
10670 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
10671 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
10672 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
10673 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
10674 (HAVE_POST_INCREMENT): Define.
10675 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
10676 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
10677 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
10678 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
10679 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
10680 (zero_extend to SI from QI/HI): Likewise.
10681 (sign_extend to SI from QI/HI): Likewise.
10682 (mulsidi3, umulsidi3): New patterns for the AM33.
10683 (tstsi with zero extension from QI/HI): Add AM33 variants.
10684 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
10685 (return_internal_regs, store_movm): Handle new AM33 registers.
10686 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
10687 (LIBGCC, INSTALL_LIBGCC): Likewise.
10688 * invoke.texi: Document new flags.
10690 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10692 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
10693 (addsi3_carry): Likewise.
10694 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
10695 (sbbsi3_carry): Likewise.
10696 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
10697 (mulhi3): Likewise.
10698 (test?i_1): Ensure that only one operand is memory.
10699 (conditional move patterns): likewise.
10700 (shift and rotate patterns): Rewrite to expander, add
10701 "binary_operator_ok" to the condition.
10703 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
10704 * i386.h (procesor_costs): Add movzbl_load field.
10705 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
10706 non-Q registers, accept DImode registers anywhere.
10708 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
10709 * i386.c (*_cost): Set value for movxbl_load field.
10711 * (addsi): New add to lea splitter.
10712 (ashlsi): Likewise.
10713 (lea to add/shift peep2): New.
10715 1999-12-01 Mark Salter <msalter@cygnus.com>
10717 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
10718 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
10719 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
10721 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10723 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
10724 * i386.md (movsi_xor): New.
10726 (movsi_1, movhi_1, movqi_1): Remove.
10727 (movsi_2): Rename to movsi_1.
10728 (movhi_2): Rename to movhi_1.
10729 (movqi_2): Rename to movqi_1.
10730 (movdi_1): Remove; remove splitter.
10731 (movdi_2): Rename to movdi_1.
10732 (divmodsi4 splitter): Do not emit clobbers for move patterns.
10733 (long move peep2): Do not create QI or HI mode mov0s
10734 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
10736 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
10739 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
10740 (abs?f2_if): Likewise.
10742 1999-11-30 Alex Samuel <samuel@codesourcery.com>
10744 * ggc.h (ggc_test_and_set_mark): New macro.
10745 (ggc_mark_rtx): Use ggc_test_and_set_mark.
10746 (ggc_mark_tree): Likewise.
10747 (ggc_mark_rtvec): Likewise.
10748 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
10750 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
10752 * dwarf2out.c (scope_die_for): Only handle types. Only search for
10754 (decl_scope_table): Just an array of trees now.
10755 (push_decl_scope): Simplify.
10756 (dwarf2out_init): Adjust.
10757 (local_scope_p): New fn.
10758 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
10759 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
10760 (gen_typedef_die): Likewise.
10761 (gen_lexical_block_die): Don't call push/pop_decl_scope.
10762 (gen_inlined_subroutine_die): Likewise.
10763 (gen_abstract_function): Set current_function_decl temporarily.
10764 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
10765 Handle block extern declarations. Don't call push/pop_decl_scope.
10766 (gen_decl_die): Fix logic for block externs.
10768 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10770 * calls.c (special_function_p): Remove `realloc' and add `strdup'
10771 to the list of functions which have attribute malloc by default.
10773 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10775 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
10776 integer constant does not match the traditional type, limit the
10777 warnings to cases where the base of the type is ten.
10779 * invoke.texi (-Wtraditional): Document it.
10781 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10783 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
10784 * rs6000.md: Only access a CONST_INT with INTVAL
10786 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
10788 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
10789 (compute_nearerout): Likewise.
10790 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
10791 size_t to unsigned long for formatting.
10793 1999-11-30 Jakub Jelinek <jakub@redhat.com>
10795 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
10796 Allow the user to override call-used/fixed state of %g2-5
10797 registers from the command line (with the exception of %g4 for
10799 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
10800 there is a higher chance of having a leaf function.
10801 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
10802 for ARCH64 which has %ccr register.
10803 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
10805 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
10806 insn accept into delay slot any insn which does not use %[ol]
10807 registers. Accept some LO_SUM and shift left by 1 for the normal
10809 (output_function_epilogue): Likewise.
10810 (epilogue_renumber): Added argument which inhibits any renumbering
10811 and just tests if the rtx does not use any %[ol] registers.
10812 (output_return): Reflect above change.
10814 1999-11-30 Jakub Jelinek <jakub@redhat.com>
10816 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
10817 aggregate passing for sizes <= 16 bytes.
10819 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
10821 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
10822 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
10823 * reload.c (find_dummy_reload): Likewise.
10824 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
10825 * reload1.c (reload_as_needed): Likewise.
10826 * stupid.c (stupid_find_reg): Likewise.
10827 * tm.texi (Obsolete Register Macros): Delete section.
10828 * gmicro.h: Remove all traces of the two macros.
10829 * i386.h: Likewise.
10830 * m88k.h: Likewise.
10831 * mips.h: Likewise.
10833 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
10835 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
10836 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
10837 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
10838 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
10839 units for the sparclite86x chip.
10840 (flush): Revert October 14th change; add SImode specifically.
10841 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
10842 * invoke.texi: Document it.
10844 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
10846 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
10847 psimode_truncation_operand.
10849 * config/mn10200/mn10200.c (psimode_truncation_operand): New
10850 function. Return true if the operand is either a MEM valid
10851 for a PSImode address or not a MEM at all.
10853 * config/mn10200/mn10200.md (truncsipsi2): Use
10854 psimode_truncation_operand.
10856 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10858 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
10859 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
10860 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
10861 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
10862 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
10863 (flow_loop_level_compute, low_loops_level_compute): Likewise.
10864 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
10865 * basic-block.h: Protect from multiple inclusion.
10866 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
10867 (struct loops, struct loop): Define structures.
10868 * sbitmap.c (sbitmap_a_subset_b_p): New function.
10869 * sbitmap.h: Protect from multiple inclusion.
10870 (sbitmap_a_subset_b_p): Add prototype.
10871 * Makefile.in (LOOP_H): New macro.
10872 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
10874 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
10876 * cppinit.c (CAT): The argument list of this macro may not contain
10879 1999-11-29 David S. Miller <davem@redhat.com>
10881 Move quantity tables and register equivalence chains into
10882 per-qty and per-register structure arrays respectively.
10883 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
10884 qty_const_insn, qty_comparison_code, qty_comparison_const,
10885 qty_comparison_qty): Delete, replace with...
10886 (qty_table): this structure table.
10887 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
10888 (reg_eqv_table): this structure table.
10889 (make_new_qty): Add argument MODE. Caller updated.
10890 Update to use qty_table and reg_eqv_table.
10891 (make_regs_eqv, delete_reg_equiv, insert_regs,
10892 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
10893 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
10894 cse_process_notes, cse_main, cse_basic_block): Likewise.
10896 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10898 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
10899 operation if C is negative.
10900 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
10901 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
10902 law for some divisions if constant is negative and change other
10903 divisions to the opposite rounding.
10905 * expr.c (store_constructor_field): If bit position is not multiple
10906 of alignment of TARGET's mode, use BLKmode.
10908 * expr.c (expand_expr_unaligned): Add more code from full case
10909 that is needed when OP0 is in a register.
10911 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10913 * dwarfout.c (field_byte_offset): Size can be zero if there was
10916 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
10918 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
10919 (associate_trees): Delete unused var TEM.
10920 (extract_muldiv): Delete unused var CANCEL_P.
10922 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
10923 (target_isinf, target_isnan, target_negative): Add return types to
10924 function definitions.
10926 1999-11-29 Bruce Korb <autogen@linuxbox.com>
10928 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
10929 * fixinc/hackshell.tpl: ditto
10930 * fixinc/fixtests.c(double_slash_test): more C++ header testing
10931 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
10933 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
10935 * reload.c (push_reload): When looking for a register to put into
10936 reg_rtx, make sure all hard regs in a multi-reg register are in the
10937 right class and nonfixed.
10939 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
10940 pending_read_insns, pending_write_insns, pending_read_mems,
10941 pending_write_mems, pending_list_length, last_pending_memory_flush,
10942 last_function_call, sched_before_next_call): Move static variables
10944 (bb_ prefixed versions): Replace with single array bb_deps.
10945 (struct deps): New structure.
10946 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
10947 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
10948 argument of type "struct deps *"; use that instead of global
10949 variables. All callers changed.
10950 (init_rgn_data_dependencies): Delete function.
10951 (init_rtx_vector): Delete function.
10952 (init_deps): New function.
10954 (free_pending_lists): Simplify, we always use the bb_deps array even
10955 if only one basic block.
10956 (compute_block_backward_dependences): Likewise.
10957 (schedule_region): Likewise.
10959 (propagate_deps): New function, broken out of
10960 compute_block_backward_dependences.
10961 (compute_block_backward_dependences): Use it.
10963 * alpha.md: Delete useless patterns that tried to work around
10964 register elimination problems.
10966 * unroll.c (loop_iterations): Don't abort if iteration variable
10969 From Joern Rennecke:
10970 * reload1.c (reloads_conflict): Reverse test comparing operand
10971 numbers when testing for conflict between output/outaddr reloads.
10973 1999-11-29 David S. Miller <davem@redhat.com>
10975 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
10977 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
10979 1999-11-28 Robert Lipe <robertl@cygnus.com>
10981 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
10982 table from .fini into .dtor.
10984 1999-11-28 Anthony Green <green@cygnus.com>
10986 * tree.h (struct tree_decl): Add malloc_flag.
10987 (DECL_IS_MALLOC): Define.
10988 * c-common.c (attrs): Add A_MALLOC attribute.
10989 (init_attributes): Add this attribute to the table.
10990 (decl_attributes): Handle malloc attribute.
10991 * calls.c (special_function_p): Check for the malloc attribute.
10992 * extend.texi (Function Attributes): Document malloc attribute.
10994 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
10996 * pa.md (reload shift-add patterns): Remove.
10998 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11000 * reorg.c (dbr_schedule) Print more statistics. Corrected
11001 problem when printing info when 3 delay slots are filled.
11003 1999-11-28 Jakub Jelinek <jakub@redhat.com>
11005 * combine.c (setup_incoming_promotions): Pass an outgoing
11006 regno to FUNCTION_ARG_REGNO_P which it expects.
11008 1999-11-28 Andreas Jaeger <aj@suse.de>
11010 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
11012 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
11014 * cccp.c (do_include): Avoid initialization of automatic variable.
11016 * integrate.c (mark_stores): Function definition made void, to match
11017 previous declaration.
11018 * regclass.c (dump_regclass): Ditto.
11019 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
11021 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11023 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
11024 known to be multiple of divisor.
11026 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
11028 * combine.c (try_combine): Add code to try to merge a set of a
11029 two-word pseudo to a constant with a setting of one of those words
11032 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
11033 (split_tree): Completely rework to make more general.
11034 (make_range, fold): Call negate_expr.
11035 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
11036 (fold, associate): Call new split_tree and associate_trees.
11037 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
11039 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
11041 * loop.c (try_copy_prop): Avoid GNU C extension.
11043 1999-11-25 Mark Mitchell <mark@codesourcery.com>
11045 * except.c (init_eh_for_function): Still zero eh_return_context,
11046 eh_return_stack_adjust, and eh_return_handler.
11048 * except.h (eh_status): Adjust documentation for x_protect_list.
11049 (begin_protect_partials): New function.
11050 * except.c (enqueue_eh_entry): Fix formatting.
11051 (get_first_handler): Add consistency check.
11052 (add_partial_entry): Adjust usage of protect_list.
11053 (emit_cleanup_handler): Save and restore ehqueue.
11054 (expand_start_all_catch): Add comment.
11055 (begin_protect_partials): New function.
11056 (end_protect_partials): Adjust usage of protect_list.
11057 (init_eh_for_function): Use xcalloc.
11059 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11061 * c-common.c (check_format_info): Don't call a variadic function
11062 with a non-literal format string.
11064 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
11066 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
11067 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
11070 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
11073 * collect2.c (collect_wait): Likewise.
11075 * dbxout.c (dbxout_type): Likewise.
11077 * gcc.c (do_spec_1): Likewise.
11079 * genemit.c (gen_insn, gen_expand): Likewise.
11081 * genrecog.c (write_switch, write_subroutine): Likewise.
11083 * mips-tfile.c (catch_signal, botch): Likewise.
11085 * print-rtl.c (print_rtx): Likewise.
11087 * toplev.c (default_print_error_function, report_error_function,
11088 _fatal_insn): Likewise.
11090 1999-11-25 Mark Mitchell <mark@codesourcery.com>
11092 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
11094 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11096 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
11097 operations when needed.
11098 * i386.md (fop_?f_comm): New.
11099 (fop_?f_1): Do not accept commutative operands.
11101 1999-11-25 Andreas Jaeger <aj@suse.de>
11103 * config/mips/mips.md (casesi_internal): Add missing brace.
11105 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
11107 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
11108 (splice_child_die): Handle moving a child DIE from the declaration
11109 DIE of a class to its specification.
11110 (gen_struct_or_union_type_die): Use 'complete' consistently.
11111 (gen_decl_die): Generate the virtual context DIE first.
11112 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
11114 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
11116 * config/mips/mips.md (call_value_multiple_interanal1): New.
11118 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
11120 * dwarf2out.c (free_AT, free_die): New fns.
11121 (remove_children): Call them.
11122 (output_line_info): Disable removal of duplicate notes.
11124 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
11125 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
11126 means pretend the type isn't defined.
11127 Don't defer emitting types.
11128 (gen_type_die_for_member): New fn.
11129 (gen_decl_die): Call it.
11130 (splice_child_die): New fn.
11131 (gen_member_die): Call it rather than generate duplicate dies.
11133 Defer emitting information for the abstract instance of an inline
11134 until we either inline it or emit an out-of-line copy.
11135 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
11136 from output_inline_function if DECL_ABSTRACT is also set.
11137 (block_ultimate_origin): Likewise.
11138 (gen_abstract_function): New fn.
11139 (gen_decl_die, gen_inlined_subroutine_die): Call it.
11140 (gen_subprogram_die): An abstract instance is not a declaration
11141 just because it doesn't match current_function_decl. Don't abort
11142 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
11143 has an abstract origin.
11144 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
11145 abstract instance here.
11147 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
11149 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
11150 where we need to reload fpul from a system register.
11152 1999-11-24 Andreas Jaeger <aj@suse.de>
11154 * config/mips/linux.h (CPP_PREDEFINES): Added.
11155 (LINK_SPEC): Remove -Y since this is only needed on sparc.
11157 1999-11-24 Andreas Jaeger <aj@suse.de>
11159 * config/mips/linux.h (TARGET_VERSION): Added.
11160 (HANDLE_SYSV_PRAGMA): Added.
11161 (DEFAULT_VTABLE_THUNKS): Added.
11163 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11165 * local-alloc.c (qty): New structure and static variable.
11166 (qty_phys_reg): Remove, all references changed to qty.
11167 (qty_n_refs): Likewise.
11168 (qty_min_class): Likewise.
11169 (qty_birth): Likewise.
11170 (qty_death): Likewise.
11171 (qty_size): Likewise.
11172 (qty_mode): Likewise.
11173 (qty_n_calls_crossed): Likewise.
11174 (qty_alternate_class): Likewise.
11175 (qty_changes_size): Likewise.
11176 (qty_first_reg): Likewise.
11177 (alloc_qty): Rename variable QTY to QTYNO.
11178 (finf_free_reg): Likewise.
11179 (local_alloc): Allocate qty, do not allocate the removed variables.
11181 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
11183 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
11184 when -membedded-pic is passed.
11186 * config/mips/mips.md (casesi): Handle 64-bit case too.
11187 (casesi_internal_di): New insn.
11189 * config/mips/mips.c (embedded_pic_offset): Always make the
11190 embedded-pic subtractions relative to the name of the current
11191 function by use of the magic string "..CURRENT_FUNCTION".
11192 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
11194 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
11196 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
11197 of (const_int 0), when what we really care about is
11198 whether it's a zero constant anyway.
11199 (div_trap_mips16): Likewise.
11201 1999-11-23 Mark Mitchell <mark@codesourcery.com>
11203 * loop.c (loop_optimize): Always find_loop_tree_blocks and
11204 unroll_block_trees when generating debuggable code.
11206 * tree.h (unsave_expr_1): New function.
11207 (lang_unsave): New variable.
11208 (get_callee_fndecl): New function.
11209 * tree.c (unsave_expr_now_r): New function.
11210 (lang_unsave): Define.
11211 (unsave_expr_1): Likewise.
11212 (unsave_expr_now_r): Split out from unsave_expr_now.
11213 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
11214 call unsave_expr_now_r.
11215 (get_callee_fndecl): Define.
11217 * Makefile.in (gencheck): Don't depend on lang_tree_files.
11218 (gencheck.o): Do depend on lang_tree_files.
11220 * integrate.h (copy_decl_for_inlining): New declaration.
11221 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
11222 (copy_decl_for_inlining): New function.
11223 (integrate_parm_decls): Use it.
11224 (integrate_decl_tree): Likewise.
11226 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
11228 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
11229 the second two from the first.
11230 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
11231 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
11232 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
11234 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
11235 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
11238 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
11240 * pa.md (call_internal_symref, call_value_internal_symref): No mode
11241 needed on the address operand.
11242 * pa.c (call_operand_address): Check for the correct mode.
11244 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
11246 * loop.c: Include "basic-block.h".
11247 (try_copy_prop, replace_loop_reg): New functions.
11248 (load_mems): Detect registers that just hold copies of the hoisted
11249 mem, and call try_copy_prop to eliminate them.
11250 * Makefile.in (loop.o): Update dependencies.
11252 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
11254 * Makefile.in (gencheck.o): Depend on gencheck.h.
11255 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
11256 (insn-peep.o): Depend on except.h and function.h.
11257 (insn-attrtab.o): Depend on RECOG_H.
11258 (insn-output.o): Depend on toplev.h and flags.h.
11259 (gengenrtl.o): Depend on real.h.
11260 (gen-protos.o): Depend on cpplib.h and cpphash.h.
11261 Unify all dependencies to be on RECOG_H rather than recog.h.
11263 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11265 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
11266 * configure.in: Try building a bi-arch 32/64-bit compiler on
11267 sparc-*-solaris2.7 and higher.
11268 * configure: Rebuild.
11270 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
11272 * config/freebsd.h: New, FreeBSD architecture independent file.
11273 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
11274 independent pieces.
11275 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
11276 directly by i386/freebsd.h.
11277 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
11278 independent configuration file.
11279 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
11280 directly by i386/freebsd.h.
11281 * configure: Rebuilt.
11283 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
11284 which is in the user's namespace.
11285 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
11286 `i386' which is not in our namespace.
11288 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
11290 * invoke.texi (ARM Options): Add in -mno-alignment-traps
11292 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
11294 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
11295 (add_dwarf_attr, add_child_die): Just push onto the front.
11296 (reverse_die_lists): New fn.
11297 (add_sibling_attributes): Use it.
11298 (push_decl_scope): Reorganize.
11299 (add_name_and_src_coords_attributes): Don't set file and line for
11300 an artificial decl.
11301 (gen_subprogram_die): An artificial function doesn't need to match
11303 (gen_compile_unit_die): Return the generated die. Only add
11304 AT_comp_dir if the filename is relative.
11305 (remove_AT): Simplify loop. Also free string values.
11306 (output_die): A DIE ref can't be null.
11307 (output_value_format, value_format): Take a dw_attr_ref.
11308 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
11309 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
11310 AT_addr, AT_lbl): New fns.
11311 (various): Use them.
11312 (various): Constify.
11314 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11316 * combine.c (combine_simplify_rtx): When handling a SUBREG,
11317 take SUBREG_WORD into account.
11318 (if_then_else_cond): Likewise.
11320 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
11322 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
11323 clause from BSD license, pursuant with
11325 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
11327 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
11329 * loop.c (load_mems): Reformat slightly.
11330 * basic-block.h (regset_head): New typedef.
11331 (INIT_REG_SET): New macro.
11333 1999-11-22 Bruce Korb <autogen@linuxbox.com
11335 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
11336 (mips-dec-bsd*): non-functional code
11337 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
11339 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
11340 added three replacement fixes
11341 (no_double_slash): removed comments that are not (any longer) pertinent
11342 (bad_lval): this fix currently runs against many files.
11343 The comment seems to indicate that we should select for files
11344 containing 'pragma extern_prefix'.
11346 * fixinc/fixinc.x86-linux-gnu: deleted
11347 * fixinc/inclhack.sh: regen
11348 * fixinc/fixincl.x: regen
11349 * fixinc/fixincl.sh: regen
11351 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
11353 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
11354 its code is INSN and it has no notes.
11356 1999-11-22 Andrew Haley <aph@cygnus.com>
11358 * varasm.c (function_defined): Remove.
11359 (make_function_rtl): Don't set function_defined.
11360 (make_decl_rtl): Remove global register warning.
11361 * regclass.c (no_global_reg_vars): New variable.
11362 (globalize_reg): Warn if function has already been defined.
11363 (regclass_init): Set no_global_reg_vars.
11365 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11367 * regclass.c (reg_pref): New structure and static variable
11368 (prefclass): Delete.
11369 (altclass): Delete.
11370 (all uses of prefclass and altclass): Use reg_pref instead.
11372 1999-11-21 Nick Clifton <nickc@cygnus.com>
11374 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
11376 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
11377 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
11378 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
11380 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
11382 * varasm.c (output_constructor): Solve problem with long long
11383 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
11385 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11387 * global.c (allocno): New structure and static variable.
11388 (allocno_reg): Remove, all references replaced by allocno.
11389 (allocno_size): Likewise.
11390 (hard_reg_conflicts): Likewise.
11391 (hard_reg_preferences): Likewise.
11392 (hard_reg_copy_preferences): Likewise.
11393 (hard_reg_full_preferences): Likewise.
11394 (regs_someone_prefers): Likewise.
11395 (allocno_calls_crossed): Likewise.
11396 (allocno_n_refs): Likewise.
11397 (allocno_live_length): Likewise.
11398 (find_reg): Rename ALLOCNO to NUM.
11400 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
11401 references updated.
11402 (may_move_out_cost): New variable.
11403 (init_reg_sets_1): Initialize may_move_out_cost.
11404 (record_reg_classes): Use may_move_out_cost.
11406 * regclass.c (dump_regclass): New function.
11407 (regclass): New parameter DUMP, call DUMP_REGCLASS.
11408 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
11409 pass rtl_dump_file to regclass.
11410 * rtl.h (regclass): Update prototype.
11412 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11414 * i386.md (neg, not and abs patterns): Revmap to use
11415 ix86_expand_unary_operator and ix86_unary_operator_ok.
11416 (add?f and sub?f expanders): Force operand 1 to register.
11417 * i386.c (ix86_expand_unary_operator): Rewrite.
11418 (ix86_unary_operator_ok): Ensure that memory operands
11420 (ix86_binary_operator_ok): Do not allow operand 1 to
11421 come into memory and operand 0 not.
11422 (ix86_expand_binary_operator): Ensure that
11423 src1 is not non-matching memory.
11425 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
11426 to support integer registers and memory.
11427 (abss?2_integer): Likewise.
11429 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
11430 (REG_CLASS_NAMES): Likewise.
11431 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
11433 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
11434 (movsf): Likewise; unify 4th and 5th alternative.
11435 (pushdf): Likewise.
11436 (movdf_1): Likewise; rename to movdf_integer.
11437 (pushxf): Likewise; rename to pushxf_integer; fix output template;
11438 remove redundant splitter.
11439 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
11440 (movdf_nointeger): New.
11441 (movxf_nointeger): New.
11442 (pushxf_nointeger): New.
11444 * i386.md (extend?f?f): Split to expander and pattern, refuse two
11445 memory operands in patterns.
11446 (fop*): Refuse two memory operands.
11448 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
11449 on !TARGET_USE_CLTD CPUs.
11451 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
11453 * extend.texi: Document C++ restricted pointers and references.
11455 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
11457 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
11458 (invalidate_skipped_set): Call it unconditionally.
11459 (cse_set_around_loop): Likewise.
11461 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
11463 * rtl.texi (mem): Add documentation for alias-set argument
11466 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11468 * i386.h (struct_processor_costs): New fields int_load, int_store,
11469 fp_move, fp_load and fp_store
11470 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
11472 (MEMORY_MOVE_COST): New macro.
11473 * i386.c (386_cost): Define new fields.
11474 (i486_cost): Likewise.
11475 (pentium_cost): Likewise.
11476 (pentiumpro_cost): Likewise.
11477 (k6_cost): Likewise.
11479 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
11480 Geoffrey Keating <geoffk@cygnus.com>
11482 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
11484 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
11487 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
11488 (TARGET_STRICT_ALIGNMENT): New macro.
11489 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
11490 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
11491 * invoke.texi (M680x0 Options): Document -mstrict-align.
11493 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
11494 Richard Henderson <rth@cygnus.com>
11496 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
11497 (ix86_split_long_move): Declare.
11498 * i386.c (split_xf, ix86_split_movdi): Remove.
11499 (ix86_split_to_parts, ix86_split_long_move): New.
11500 * i386.md (dimode move splitters): Use ix86_split_long_move.
11501 (dfmode move splitters): Likewise.
11502 (xfmode move splitters): Likewise.
11503 (movsf_1): Allow F->r.
11504 (movdf_1, movxf_1): Allow F->ro.
11506 1999-11-17 Mark Mitchell <mark@codesourcery.com>
11508 * except.h (struct eh_entry): Add goto_entry_p.
11509 (eh_region_from_symbol): Remove prototype.
11510 * except.c (find_func_region_from_symbol): New function.
11511 (emit_cleanup_handler): Likewise.
11512 (eh_region_from_symbol): Make it static.
11513 (add_new_handler): Verify the argument.
11514 (find_func_region): Update comment.
11515 (expand_eh_region_end): Expand handlers here, rater than waiting
11516 until expand_leftover_cleanups or start_all_catch.
11517 (expand_leftover_cleanups): Don't expand here.
11518 (expand_start_all_catch): Or here.
11519 (expand_rethrow): Check the return value from find_func_region.
11520 * function.c (expand_function_end): Emit the catch_clauses.
11522 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
11524 * integrate.c (expand_inline_function): Add necessary check for NULL.
11526 1999-11-18 Nick Clifton <nickc@cygnus.com>
11528 * toplev.c (main): Correctly detect an unrecognised option.
11530 * cppinit.c (cpp_handle_option): Do not claim to have consumed
11531 a -f option if it has not been recognised.
11533 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
11535 * basic-block.h (update_life_extent): Remove trailing comma on
11536 enumeration type list.
11538 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11540 * varasm.c (output_constructor) Solved problem with long long
11541 bitfields. Corrected calculating this_time and shift. Also
11542 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
11544 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
11546 * flow.c (split_edge): Take looping structure into account when
11547 determining where to put the new block note.
11549 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
11551 * Makefile.in (ggc-none.o): Provide host specific version if
11554 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
11556 * cse.c (delete_trivially_dead_insns): Identify no-op insns
11557 containing subregs too.
11559 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
11561 * invoke.texi: Add documentation for -muninit-const-in-rodata.
11562 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
11563 (TARGET_UNINIT_CONST_IN_RODATA): Define.
11564 (text_section): Add switches -munint-const-in-rodata and
11565 -mno-uninit-const-in-rodata.
11566 (ASM_OUTPUT_COMMON): Remove.
11567 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
11568 const objects should be placed in read-only data. Otherwise declare
11571 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
11573 * jump.c (jump_optimize_1): Revert last change.
11575 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
11577 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
11578 test if optimizing for size.
11580 1999-11-17 Mark Mitchell <mark@codesourcery.com>
11582 * Makefile.in (toplev.o): Depend on except.h.
11583 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
11585 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11587 * i386.md (divmodsi4): Rewrite to expander.
11588 (*divmodsi4_nocltd): New.
11589 (*divmodsi4_cltd): New.
11590 (divmodsi4 splitter): Handle the case when input comes in edx.
11591 (udivmodhi4): Do not use constraints in exander.
11592 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
11594 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
11596 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
11597 for the common case.
11599 1999-11-16 Jakub Jelinek <jakub@redhat.com>
11601 * explow.c (hard_function_value): Add outgoing argument.
11602 * expr.h (hard_function_value): Declare it.
11603 * calls.c (expand_call, emit_library_call_value): Update callers.
11604 * function.c (aggregate_value_p): Ditto.
11605 (diddle_return_value): Must look at the outgoing registers
11606 on archs with register windows.
11608 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
11610 * alpha.c (alpha_build_va_list): Use make_lang_type and
11611 initialize TYPE_NAME for the va_list record.
11613 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
11615 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
11617 * ggc.h (struct ggc_statistics): Rearrange elements for better
11618 packing on 64-bit hosts.
11619 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
11620 (compute_nearerout): Likewise.
11622 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
11624 * config/rs6000/rs6000.c (first_reg_to_save): Save
11625 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
11627 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
11629 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
11630 notion of nesting to find the DIE for a type or function.
11631 DIEs can go in limbo even if we got a context_die.
11632 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
11633 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
11635 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
11636 (gen_type_die): Writing out the context doesn't cause member class
11637 template instantiations to be written out as well.
11639 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
11641 * rs6000.h (ASM_OUTPUT_DEF): New.
11642 Based on proposed addition from David Edelsohn.
11644 1999-11-15 Robert Lipe <RobertLipe@usa.net>
11645 Bruce Korb <autogen@linuxbox.com>
11647 * fixinc/inclhack.def
11648 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
11649 (unixware7_byteorder_fix): added. Removes conflicts for new defs
11651 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
11652 (svr4_endian): enabled with SVR5
11653 (svr4_mkdev): simplified syntax and enabled with SVR5
11655 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
11657 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
11658 * configure: Rebuilt.
11659 * config/t-freebsd-thread: New file.
11661 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
11663 * i386.c (ix86_decompose_address): Verify the base is a REG
11664 before trying to examine its register number.
11666 * basic-block.h: Remove all #defines and prototypes related to
11668 (free_bb_mem, compute_preds_succs): Remove prototype.
11669 * rtl.h (free_bb_mem): Remove prototype.
11670 * flow.c (alloc_int_list_node); Remove function.
11671 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
11672 (compute_preds_succs, free_bb_mem): Likewise.
11673 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
11674 * toplev.c (rest_of_compilation): Likewise.
11675 * haifa-sched.c (build_control_flow): Use flow generated edge
11676 list to build the haifa specific edge list.
11677 (find_rgns): Use new CFG data structures instead of pred/succ lists.
11678 (schedule_insns): Do not build pred/succ lists anymore. Instead
11679 build the edge table.
11681 * basic-block.h (dump_bb_data): Remove declaration.
11682 * flow.c (dump_bb_data): Remove function.
11683 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
11684 (sbitmap_union_of_predsucc): Likewise.
11686 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
11687 argument. All callers changed.
11688 (delete_null_pointer_checks_1): No longer need to compute the
11691 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
11692 All callers changed.
11693 (pre_expr_reaches_here_p_work): Likewise.
11694 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
11695 * lcm.c (compute_laterin): Fix initialization of LATER.
11696 (compute_nearerout): Similarly for NEARER.
11698 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11700 * cse.c (set_nonvarying_address_components): Delete unused function.
11701 (refers_to_p): Likewise.
11703 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
11705 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
11708 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11710 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
11711 definition in do while (0).
11713 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
11715 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
11717 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
11719 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
11721 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11723 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
11724 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
11725 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
11726 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
11728 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
11729 saved on the stack. Output more accurate stack frame statistics
11730 into assembler file.
11732 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
11734 * genextract.c (record_insn_name): New function.
11735 (get_insn_name): No longer a stub.
11736 (main): Call record_insn_name for each insn. After each label
11737 written, print the insn name in a comment.
11739 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11741 * output.h (const_section, init_section, fini_section): Add
11744 * alpha/elf.h (const_section): Delete declaration.
11746 * svr4.h (const_section): Likewise.
11748 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
11750 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
11751 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
11752 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
11754 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
11755 variable-sized array bounds.
11757 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
11759 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
11762 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11764 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
11765 addresses the same way GO_IF_LEGITIMATE_INDEX does.
11767 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11769 * cse.c (hash_arg_in_struct): Delete.
11770 (struct table_elt): Delete elt in_struct.
11771 (struct set): Delete elt src_in_struct.
11772 (merge_equiv_classes): Don't set either hash_arg_in_struct or
11773 the corresponding in_struct elts.
11774 (canon_hash): Likewise.
11775 (safe_hash): Likewise.
11776 (find_best_addr): Likewise.
11777 (record_jump_cond): Likewise.
11778 (cse_insn): Likewise.
11780 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
11782 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
11784 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
11787 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
11789 * function.c (diddle_return_value): Put back check that the DECL_RTL
11790 for the function is a register.
11792 * function.c (diddle_return_value): Use hard_function_value to
11793 get an rtx suitable for use in the USE/CLOBBER insn.
11795 * global.c (global_conflicts): Update comments.
11796 (record_conflicts): No need to record conflicts between pseudos here.
11798 1999-11-11 Bruce Korb <autogen@linuxbox.com>
11800 * fixinc/fixincl.c: Added verbose levels for status messages
11802 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11804 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
11805 operand as argument to expand_and or expand_binop.
11807 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
11809 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
11810 gcc_add_string_root.
11812 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
11814 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
11816 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
11818 * flow.c (compute_flow_dominators): Initially put all blocks on
11820 * lcm.c (compute_antinout_edge, compute_available): Similarly.
11821 * gcse.c (compute_cprop_avinout): Remove.
11822 (compute_cprop_data): Use compute_available.
11823 (delete_null_pointer_checks_1): Use compute_available.
11825 * basic-block.h (compute_available): Returns a void now.
11826 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
11827 to return a value anymore.
11828 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
11829 worklists. Fix boundary cases. Compute maximal solutions.
11830 (compute_laterin, compute_nearerout): Similarly.
11832 * dwarf2out.c (add_AT_location_description): Allow
11833 (mem (plus (pseudo) (...)) too.
11835 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
11837 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
11839 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
11840 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11842 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
11844 * gansidecl.h: Likewise.
11850 * toplev.h: Likewise.
11852 * tree.c: Likewise.
11854 * tree.h: Likewise.
11856 * varray.c: Likewise.
11858 * varray.h: Likewise.
11860 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
11862 * gcov.c (struct arcdata): Add hits and total, remove prob.
11863 (output_branch_counts): New.
11864 (process_args): Set output_branch_counts if -c.
11865 (calculate_branch_probs): Store hits and total instead of
11867 (output_data): Emit counts if output_branch_counts is true.
11868 * gcov.texi (Invoking Gcov): Document -c switch..
11870 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
11872 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
11873 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
11875 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
11877 * invoke.texi (C Dialect Options): Add missing builtins from
11878 c-common.c to list.
11879 * extend.texi (Other Builtins): Copy to this list.
11881 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11883 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
11884 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
11885 redundant bitmap.h.
11887 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
11889 * flow.c (compute_flow_dominators): No longer treat basic block 0
11890 or (n_basic_blocks - 1) specially. Clear the AUX field before
11891 starting computation of doms/pdoms. Fix initial state for pdoms.
11893 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11895 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
11896 match rtl.o's: added ggc.h and toplev.h
11897 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
11898 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
11899 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
11901 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
11903 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
11904 from HAVE_DOS_BASED_FILESYSTEM.
11905 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
11906 HAVE_DOS_BASED_FILESYSTEM.
11908 (split_directories): Only special-case DOS file names if
11909 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
11910 instead of explicit tests. Conditionalize on !VMS.
11911 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
11912 tests. Conditionalize on !VMS.
11913 (process_command): Only use make_relative_prefix if !VMS.
11914 (free_split_directories): Conditionalize on !VMS.
11915 (DIR_UP): Conditionalize on !VMS.
11917 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
11919 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
11921 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
11923 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
11926 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
11928 * invoke.texi (Environment Variables): Document relative path
11930 * gcc.c (DIR_UP): If not defined, define as "..".
11931 (standard_bindir_prefix): New static, holds target location to
11933 (split_directories): New function to split a filename into
11934 component directories.
11935 (free_split_directories): New function, release memory allocated
11936 by split_directories.
11937 (make_relative_prefix): New function, make a relative pathname if
11938 the compiler is not in the expected location.
11939 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
11940 can figure out an appropriate prefix from argv[0].
11941 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
11942 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
11943 STANDARD_BINDIR_PREFIX.
11945 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11947 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
11949 * config/c4x/c4x.h: Moved prototypes to c4x.h.
11950 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
11951 c4x_secondary_memory_needed) Delete.
11952 (fp_zero_operand): Add mode argument.
11954 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
11956 * reload1.c (reload_reg_free_for_value_p): Don't use a register
11957 that is in reload_reg_used.
11959 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
11961 * config/arm/arm-protos.h: New file: Prototypes for functions
11962 defined in arm.c and pe.c.
11963 * config/arm/arm.h: Fix compile time warnings.
11964 * config/arm/arm.c: Fix compile time warnings.
11965 * config/arm/pe.h: Fix compile time warnings.
11966 * config/arm/aout.h: Fix compile time warnings.
11968 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
11970 * config/m32r/m32r-protos.h: New file: Prototypes for functions
11973 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
11974 Add support for subtargets.
11975 Add prototypes for new predicates.
11976 Add scheduling macros.
11978 * config/m32r/m32r.c: Fix compile time warnings.
11979 (int8_operand): New predicate function.
11980 (reg_or_cmp_int16_operand): New predicate function.
11981 (extend_operand): New predicate function.
11982 (m32r_adjust_code): New scheduling function.
11983 (m32r_adjust_priorty): New scheduling function.
11984 (m32r_sched_init): New scheduling function.
11985 (m32r_sched_reorder): New scheduling function.
11986 (m32r_sched_variable_issue): New scheduling function.
11987 (direct_return): New codegen function.
11988 (m32r_not_same_reg): New rtl testsing function.
11990 * config/m32r/m32r.md: Fix compile time warnings.
11991 Add support for pre decrement and post increment memory
11993 Add S<cc> patterns.
11996 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11998 * global.c (EXECUTE_IF_CONFLICT): Don't define.
11999 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
12000 (find_reg): Likewise.
12002 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
12004 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
12005 to avoid assembler errors.
12007 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
12009 * config/v850/v850-protos.h: New file: Prototypes for functions
12011 * config/v850/v850.h: Move prototypes to v850-protos.h
12012 * config/v850/v850.c: Move prototypes to v850-protos.h
12013 * config/v850/v850.md: Fix compile time warnings.
12015 * config/fr30/fr30-protos.h: New file: Prototypes for functions
12017 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
12018 * config/fr30/fr30.c: Fix compile time warnings.
12019 * config/fr30/fr30.md: Fix compile time warnings.
12021 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
12023 * tree.h (get_containing_scope): Declare it.
12024 * tree.c (get_containing_scope): New fucntion.
12025 (decl_function_context): Use it.
12026 * toplev.c (rest_of_compilation): Use get_containing_scope.
12028 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12030 * Makefile.in (rtl.o): Depend on toplev.h.
12032 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
12034 * cse.c (delete_trivially_dead_insns): Replace alloca with
12036 * except.c (update_rethrow_references): Likewise.
12037 (init_eh_nesting_info): Likewise.
12038 * function.c (identify_blocks): Likewise.
12039 * gcse.c (dump_hash_table): Likewise.
12040 * graph.c (print_rtl_graph_with_bb): Likewise.
12041 * loop.c (combine_movables): Likewise.
12042 (move_movables): Likewise.
12043 (count_loop_regs_set): Likewise.
12044 (strength_reduce): Likewise.
12045 * profile.c (compute_branch_probabilities): New function, split
12047 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
12048 * regclass.c (regclass): Likewise.
12049 * regmove.c (regmove_optimize): Likewise.
12050 * toplev.c (compile_file): Likewise.
12051 (main): Don't mess with the stack rlimit.
12053 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
12055 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
12056 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
12058 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
12060 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
12062 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
12064 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
12065 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
12068 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
12070 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
12072 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
12074 * gcse.c (post_dominators): Kill.
12075 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
12076 (compute_code_hoist_data): Use compute_flow_dominators. Do not
12077 pass in a pdom array since we do not need pdoms.
12078 * haifa-sched.c (schedule_insns): Similarly.
12079 * flow.c (compute_dominators): Remove dead function.
12080 (compute_flow_dominators): Do not compute doms or pdoms if the
12081 caller does not request them. Split up loop to build doms and
12082 pdoms. Use a worklist to compute doms and pdoms.
12083 * basic-block.h (compute_dominators): Remove prototype.
12085 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
12087 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
12088 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
12089 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
12090 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
12091 (cant_move, fed_by_spec_load, is_load_insn): Remove.
12092 (schedule_region): Remove unused variable.
12093 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
12095 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
12097 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
12098 (update_equiv_regs): Likewise.
12099 (block_alloc): Likewise.
12100 * reg-stack.c (reg_to_stack): Likewise.
12101 (convert_regs_2): Likewise.
12102 * reload1.c (reload_as_needed): Likewise.
12104 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
12106 * Makefile.in (dbxout.o): Depend on ggc.h.
12107 (dwarf2out.o): Likewise.
12108 (xcoffout.o): Likewise.
12109 * dbxout.c: Include ggc.h.
12110 (dbxout_init): Register lastfile as a root.
12111 * dwarf2out.c: Include ggc.h.
12112 (dwarf2out_line): Register lastfile as a root.
12113 * xcoffout.c: Include ggc.h.
12114 (xcoffout_source_line): Register xcoff_lastfile as a root.
12116 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
12118 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
12120 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
12122 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
12124 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
12126 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12128 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
12129 (EXECUTE_IF_CONFLICT): Likewise.
12130 (ALLOCNO_LIVE_P): Avoid signed division.
12131 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
12132 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
12133 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
12135 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
12137 * haifa-sched.c (schedule_block): Don't crash if there's no
12138 next insn for an interblock movement.
12139 (add_branch_dependences): Don't allow clobber insns to move either.
12141 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
12143 * i386.c (split_xf): New.
12144 * i386-protos.h: Declare it.
12145 * i386.md (movxf_1): Add general regs alternatives.
12146 (movxf_1+1): New splitter for same.
12148 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
12150 * function.c (purge_addressof_1): Add missing return values.
12152 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
12154 * function.c (is_addressof): New function. Returns true if
12155 the given piece of RTL is an ADDRESSOF.
12156 (purge_addressof_1): Make boolean. Return false if the
12157 ADDRESSOFs could not be purged.
12158 (purge_addressof): If ADDRESSOFs could not be purged from the
12159 notes attached to an insn, remove the offending note(s),
12160 unless they are attached to a libcall.
12162 1999-11-05 Andreas Jaeger <aj@suse.de>
12164 * genoutput.c (null_operand =): Initialize all fields.
12166 * errors.h: Add extern to prototypes.
12168 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
12170 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
12171 * configure: Rebuilt.
12173 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12175 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
12176 (mirror_conflicts): New function.
12177 (global_alloc): Call it.
12178 (expand_preferences): Remove redundant CONFLICTP test.
12179 (find_reg, dump_conflicts): Likewise.
12180 (prune_preferences): Process conflicts one word at a time.
12182 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
12184 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
12185 instead of an explicit loop.
12187 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
12189 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
12190 if REG_RETVAL check succeeds, then put classp in src_elt.
12192 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
12194 * function.c (pad_to_arg_alignment): Only update argument_pad
12195 if the argument's alignment is greater than STACK_BOUNDARY.
12197 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
12199 * bitmap.h (BITMAP_XFREE): New.
12200 * flow.c (life_analysis): Use it.
12201 (life_analysis_1): Free blocks.
12203 * combine.c (undo_commit): New.
12204 (try_combine): Use it. Don't zap undobuf.undos.
12205 (combine_instructions): Don't zap undobuf.undos; free the
12206 undobuf.frees list.
12208 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
12210 * stmt.c (cost_table_): New.
12211 (estimate_case_costs): Use it instead of xmalloc.
12213 * toplev.c (compile_file): Reuse dumpname memory instead
12216 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
12218 * reg-stack.c (convert_regs_1): Initialize target_stack->top
12219 after verifying an EH edge.
12221 * haifa-sched.c (init_rgn_data_dependences): Correctly
12222 size bb_pending_lists_length when zeroing.
12224 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
12226 * function.c (diddle_return_value): New.
12227 (expand_function_end): Use it.
12228 * stmt.c (expand_null_return): Likewise.
12229 (expand_value_return): Likewise.
12231 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
12233 * reload1.c (reload): Don't remove return value clobbers.
12235 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
12237 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
12239 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
12241 * cse.c (cse_main): Use xmalloc, not alloca.
12242 (cse_basic_block): Likewise.
12243 * local-alloc.c (local_alloc): Likewise.
12245 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
12246 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12248 * rtl.c: Include toplev.h.
12249 (fatal): Remove declaration.
12251 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
12253 * haifa-sched.c (schedule_block): Fix thinko.
12255 1999-11-03 James McKelvey <mckelvey@fafnir.com>
12257 * fixinc/fixincl.c(create_file): Allow for systems that do not have
12258 S_IR* defined values
12260 1999-11-03 Philippe De Muyter <phdm@macqel.be>
12262 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
12263 call `malloc' instead.
12265 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
12267 * flags.h (flag_renumber_insns): Declare.
12268 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
12270 * rtl.h (renumber_insns): Change prototype.
12271 * toplev.c (flag_renumber_insns): Define.
12272 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
12274 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
12276 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
12277 and fpsqrtd. Use them and create fdiv function unit to more
12278 accurately represent fpu sqrt pipeline semantics on UltraSparc.
12279 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
12281 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
12283 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
12285 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
12286 insn into ready list, do not use just a raw swap.
12288 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
12290 * rtl.h (renumber_insns): New function.
12291 (remove_unnecessary_notes): Likewise.
12292 * emit-rtl.c (renumber_insns): Define.
12293 (remove_unncessary_notes): Likewise.
12294 * toplev.c (rest_of_compilation): Remove dead code.
12295 Use renumber_insns and remove_unncessary_notes.
12297 * gcse.c (struct null_pointer_info): New type.
12298 (get_bitmap_width): New function.
12299 (current_block): Remove.
12300 (nonnull_local): Likewise.
12301 (nonnull_killed): Likewise.
12302 (invalidate_nonnull_info): Take a null_pointer_info as input.
12303 (delete_null_pointer_checks_1): New function.
12304 (delete_null_pointer_checks): Use it.
12306 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
12307 (split_edges): Likewise.
12308 (schedule_block): Likewise.
12309 (compute_block_backward_dependencies): Likewise.
12310 (schedule_region): Likewise.
12311 (schedule_insns): Likewise.
12313 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
12315 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
12316 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
12317 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
12318 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
12319 * jump.c (delete_unreferenced_labels): Don't delete if
12320 LABEL_ALTERNATE_NAME is set.
12321 * print-rtl.c (print_rtx): Dump alternate name.
12322 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
12323 * rtl.h (LABEL_ALTERNATE_NAME): Define.
12324 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
12325 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
12327 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12329 * fix-header.c (recognized_extern, recognized_function): Constify
12332 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
12333 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
12334 (compute_available): Remove unused variable `last'.
12335 (compute_nearerout): Remove unused variable `temp_bitmap'.
12336 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
12337 Remove unused variable `x'.
12339 * scan.h (recognized_function, recognized_extern): Constify a
12342 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
12344 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12346 * varasm.c (decode_rtx_const): Use XSTR to access the string
12349 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
12351 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
12353 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12355 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
12357 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
12359 * pa.c (ireg_operand): New function.
12360 * pa.h (PREDICATE_CODES): Handle ireg_operand.
12361 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
12362 Fix out of date comment.
12364 * pa.md (negdi2): Turn into expander + anonymous pattern.
12366 * reload.c (find_reloads): Fix typos in recent change.
12368 * dwarf2out.c: Do not include ctype.h.
12370 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12372 * regclass.c (record_reg_classes): Always use may_move_cost when
12373 seeing how operand fits with various register classes.
12375 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
12377 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
12378 * toplev.c: Revert Nov 1 13:22 change.
12380 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
12382 * config/pa/pa.md (height reduction patterns): Add checks for
12383 overlapping operands to avoid semantic-destroying splits for
12384 height reduction patterns.
12386 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12388 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
12389 have been an hyphen, fixed.
12390 * configure: Rebuilt.
12392 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
12394 * config/arm/tpe.h: Add prototypes for exported functions.
12395 * config/arm/pe.c: Fix compile time warnings.
12396 * config/arm/semi.h: Fix compile time warnings.
12397 * config/arm/arm.c: Fix compile time warnings.
12398 * config/arm/arm.h: Fix compile time warnings.
12399 * config/arm/arm.md: Fix compile time warnings.
12400 * config/arm/thumb.c: Fix compile time warnings.
12401 * config/arm/thumb.h: Fix compile time warnings.
12402 * config/arm/thumb.md: Fix compile time warnings.
12404 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
12406 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
12409 * unroll.c (unroll_loop): Remove LOOP notes when loop is
12410 completely unrolled.
12412 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12414 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
12416 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
12418 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
12419 * rtl.h (rtx_equal_p): Move prototype.
12420 * rtl.c (rtx_equal_function_value_matters): Move from
12422 (rtx_equal_p): Likewise.
12423 * rtlanal.c (rtx_equal_function_value_matters): Delete.
12424 (rtx_equal_p): Likewise.
12426 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
12428 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
12429 ! HAS_INIT_SECTION.
12431 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
12433 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
12435 * pa.h (ADDR_VEC_ALIGN): Define.
12437 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
12438 notes when presented with "if (foo) break; end_of_loop" and
12439 the break sequence gets moved out of the loop.
12441 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
12442 Remove explicit zero initializations of entries within MAP.
12444 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
12446 * reg-stack.c (convert_regs_1): Handle EH edges specially.
12448 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
12450 * bitmap.h (BITMAP_XMALLOC): New macro.
12451 * flow.c (CLEAN_ALLOCA): Remove.
12452 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
12453 (life_analysis): Likewise.
12454 (update_life_info): Don't use CLEAN_ALLOCA.
12455 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
12456 (calculate_global_regs_live): Likewise.
12457 (print_rtl_with_bb): Likewise.
12458 (verify_flow_info): Likewise.
12459 * global.c (global_alloc): Likewise.
12460 (global_conflicts): Likewise.
12461 * integrate.c (save_for_inline_nocopy): Likewise.
12462 (expand_inline_function): Likewise.
12463 * jump.c (jump_optimize_1): Likewise.
12464 (duplicate_loop_exit_test): Likewise.
12465 (thread_jumps): Likewise.
12466 * loop.c (loop_optimize): Likewise.
12467 (combine_givs): Likewise.
12468 (recombine_givs): Likewise.
12469 * reorg.c (dbr_schedule): Likewise.
12470 * unroll.c (unroll_loop): Likewise.
12472 * combine.c (combine_instructions): Use xmalloc instead of alloca.
12474 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
12476 * toplev.c (rest_of_compilation): Don't optimize the CFG
12477 when rebuilding, just before dbr.
12479 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12481 * output.h (assemble_end_function, assemble_destructor,
12482 assemble_constructor, assemble_gc_entry, assemble_global,
12483 assemble_label, output_constant_pool) Constify a char*.
12485 * varasm.c (assemble_destructor, assemble_constructor,
12486 assemble_gc_entry, assemble_end_function, assemble_global,
12487 assemble_label, output_constant_pool): Likewise.
12489 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
12491 * config/arm/thumb.c (thumb_expand_prologue): Add comments
12492 explaining what is goin on in this function.
12494 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12496 * regclass.c (record_reg_classes): In matching case, recompute
12497 costs since the direction of movement is different.
12499 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12501 * resource.c (mark_target_live_regs): For unconditional branches,
12502 the resources found at the branch target should be added to the
12503 resources found so far, not intersected.
12505 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
12507 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
12509 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
12510 (sys/mman.h): Include this file only if #HAVE_MMAP.
12511 (run_compiles): Initialize `esac_fmt' with one old KR string, not
12512 with automatically concatenated ANSI strings.
12514 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
12516 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
12517 (DIV_ROUND_UP): Robustify.
12518 (ggc_recalculate_in_use_p): New function.
12519 (release_pages): Don't inline it.
12520 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
12522 (ggc_pop_context): Use ggc_recalculate_in_use_p.
12523 (clear_marks): Always save in_use_p.
12524 (sweep_pages): Use ggc_recalculate_in_use_p.
12525 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
12526 Release pages before counting statistics.
12528 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
12530 * toplev.c (rest_of_compilation): Fix thinko in this change:
12532 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
12534 (rest_of_compilation): If inside an inlined external function,
12535 pretend we are just being declared.
12537 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
12539 * flow.c (calculate_global_regs_live): Fix thinko.
12541 * integrate.c (expand_inline_function): Fix bugs in previous
12542 change from Oct 28, 1999.
12544 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
12546 * stmt.c (expand_value_return): Fix typo in this change:
12548 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12549 (expand_value_return): Correctly convert VAL when promoting function
12550 return; support RETURN_REG being a PARALLEL.
12552 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
12554 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
12556 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12558 * hard-reg-set.h (reg_names): Constify a char*.
12560 * regclass.c (reg_names): Likewise.
12562 * regs.h (reg_names): Likewise
12564 * a29k/a29k.c (reg_names): Delete declaration.
12566 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
12568 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
12569 arc_output_function_epilogue): Likewise.
12571 * elxsi/elxsi.c (reg_names): Likewise.
12573 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
12575 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
12578 * m88k/m88k.c (output_function_profiler): Likewise.
12580 * sparc/sparc.c (sparc_flat_output_function_prologue,
12581 sparc_flat_output_function_epilogue): Likewise.
12583 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
12585 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
12586 warning from -Wuninitialized and put it under -W.
12587 * function.c (uninitialized_vars_warning): Warn only when the
12588 corresponding flag is set.
12590 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
12592 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
12593 is nonzero and the single set does not have an elt, then assign
12596 * simplify-rtx.c: New file.
12597 * Makefile.in (OBJS): Add simplify-rtx.o
12598 (simplify-rtx.o): Add dependencies.
12599 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
12600 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
12601 (cse_gen_binary, simplify_unary_operation): Delete.
12602 (simplify_binary_operation, simplify_plus_minus): Likewise.
12603 (check_fold_consts, simplify_relation_operation): Likewise.
12604 (simplify_ternary_operation): Likewise.
12605 (delete_trivially_dead_insns): Simplify the contents of the
12606 REG_EQUAL note before trying to substitute it into the source
12607 of the reg-reg copy at the end of a libcall sequence.
12609 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
12610 references/callers changed.
12612 * mn10200.c (mn10200_va_arg): Force the return value into a
12615 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
12617 * cccp.c (macroexpand): Avoid out of range accesses for omitted
12620 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
12622 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
12624 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
12626 * fold-const.c (fold): Fix thinko when optimizing comparisons
12629 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
12631 * gcc.texi (Passes): Update front-end files to their current
12634 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
12636 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
12637 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
12638 (PREDICATE_CODES): Add addition_operation.
12639 * alpha-protos.h (addition_operation): Declare.
12640 (secondary_reload_class): Likewise.
12641 * alpha.c (addition_operation): New.
12642 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
12643 * alpha.md (adddi3): Turn into expander.
12644 (*lda, *adddi_2): New.
12645 (movsf, movdf patterns): Don't preference integer regs.
12646 (movsi, movdi patterns): Don't preference fp regs.
12648 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
12650 * genrecog.c (write_switch): Check for duplicate CODE cases.
12652 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
12654 * ggc-common.c: Update pre-function commentary.
12655 * ggc-page.c: Likewise.
12657 (poison_pages): Use memset directly.
12658 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
12659 (ggc_collect): Poison before sweeping.
12660 * ggc-simple.c: Update pre-function commentary.
12661 (ggc_alloc_obj): Poison non-zeroed memory.
12663 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
12665 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
12666 match format string, even on 64-bit hosts.
12667 * gcc-page.c (ggc_page_print_statistics): Likewise.
12669 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
12671 * config/i386/i386.c (ix86_cpu): Revert last patch.
12672 * config/i386/i386.h (ix86_cpu): Ditto.
12674 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
12676 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
12677 TYPE_SIZE, convert type of result to sizetype.
12679 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
12681 * flow.c (count_or_remove_death_notes): Equate NULL with the
12684 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
12685 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
12688 * i386.c (pic_label_no): Delete.
12689 (ix86_attr_length_default): Don't use single_set to peek
12692 * recog.c (peephole2_optimize): Allow recog_next_insn to index
12693 the first insn after bb->end.
12694 * i386.md (push mem peeps): Scratch is live after evaluation
12696 (cmp mem peep): Similarly.
12698 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
12700 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
12701 * function.c (pad_to_arg_alignment): Add missing braces.
12703 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12705 * alpha/alpha-protos.h (literal_section): Add prototype.
12706 (alpha_need_linkage, alpha_start_function,alpha_end_function):
12709 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
12711 (alpha_start_function, alpha_end_function, float_strings,
12712 alpha_need_linkage): Constify a char*
12714 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
12716 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
12718 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12720 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12722 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12724 * flow.c (debug_flow_info): Add prototype.
12726 * gcc.c (main): Likewise.
12728 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
12731 * reload1.c (failed_reload, set_reload_reg): Likewise.
12733 * mips-tfile.c (main): Likewise.
12734 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
12735 with ATTRIBUTE_NORETURN.
12737 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
12739 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
12740 DECL is not a memory ref.
12742 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
12744 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
12745 * config/i386/i386.c (ix86_cpu): Add extern attribute.
12747 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
12749 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
12750 * config/mips/elf64.h: ditto.
12752 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
12754 * expr.c (emit_push_insn): New argument alignment_pad.
12755 Update all callers. Adjust stack pointer based on alignment pad.
12756 * function.c (pad_to_arg_alignment): New argument alignment_pad.
12757 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
12758 (locate_and_pad_parm): New argument alignment_pad. Update all
12760 * expr.h (emit_push_insn): Update prototype.
12761 (locate_and_pad_parm): Update prototype.
12762 * calls.c (arg_data): Add new field alignment_pad.
12763 (initialize_argument_information): Initialize alignment_pad.
12765 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
12767 * except.c (free_eh_nesting_info): Free the info itself.
12768 * function.c (free_after_compilation): Don't free NULL.
12769 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
12770 (pre_edge_insert): Free inserted.
12771 * stmt.c (free_stmt_status): Don't free NULL.
12773 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
12775 * gcov.c (DIR_SEPARATOR): Provide default.
12776 (output_data): Add test for MS-DOS format absolute filename.
12777 (fancy_abort): Correct program name.
12778 (open_files): Open all files in binary mode.
12779 * libgcc2.c (__bb_exit_func): Likewise.
12781 * profile.c (init_branch_prob): Specify binary when opening files.
12783 * flags.h (flag_unwind_tables): New decl.
12784 * toplev.c (flag_unwind_table): New definition.
12785 (f_options): Add -funwind-tables.
12786 (decode_g_option): Clarify warning when unknown -g option is given.
12787 (rest_of_compilation): If inside an inlined external function,
12788 pretend we are just being declared.
12790 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
12791 (dwarf2out_frame_finish): Likewise.
12793 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
12795 * fold-const.c (merge_ranges): If not in0, but in1, handle
12796 upper bounds equal like subset case.
12798 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
12800 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
12801 passed in a register but moved to the stack.
12803 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
12805 * gcc.c (pass_exit_codes, greatest_status): New variables.
12806 (struct option_map): Add entry for "--pass-exit-codes".
12807 (execute): Update greatest_status if error.
12808 (display_help): Add documentation for -pass-exit-codes.
12809 (process_command): Handle -pass-exit-codes.
12810 (main): Look at pass_exit_codes and greatest_status on call to exit.
12812 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12814 * reload.c (find_reloads): Refine test for no input reload
12815 case to not includes reloads emitted after insn.
12817 * function.c (find_temp_slots_from_address): Handle sum involving
12818 a register that points to a temp slot.
12819 (update_temp_slot_address): Make recursive call if both old and
12820 new are PLUS with a common operand.
12821 * calls.c (expand_call): Mark temp slot for result as having
12824 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
12826 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
12827 component as well as "BINUTILS".
12829 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
12830 * integrate.c (copy_rtx_and_substitute): Likewise.
12831 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
12832 All callers changed.
12833 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
12835 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
12836 gdb extensions, write size of type; also be more consistent
12837 in using references when this is a subtype.
12839 * pa.md (extv, extzv, insv): Use define_expand to reject constant
12840 that is out of range.
12842 * loop.c (unknown_constant_address_altered): New variable.
12843 (prescan_loop): Initialize it.
12844 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
12845 (invariant_p, case MEM): Remove handling for volatile and readonly;
12846 check new variable if readonly.
12847 (check_dbra_loop): Chdeck unknown_constant_address_altered.
12849 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
12850 (addr_affects_sp_p): Removed from note_mem_written and only
12851 define #ifdef AUTO_INC_DEC.
12853 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
12855 * regclass.c (record_reg_classes): Properly handle register move
12858 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
12859 Don't think valid if both operands are invalid.
12860 (struct constant_descriptor): New field RTL.
12861 (mark_const_hash_entry): Mark it.
12862 (record_constant{,_rtx}): Initialize it.
12863 (output_constant_def): Allocate RTL in permanent obstack and
12865 ({record,compare}_constant_1): Modes must match for
12866 CONSTRUCTOR of ARRAY_TYPE.
12868 * c-common.h (initializer_constant_valid_p): Delete decl from here.
12869 * output.h (initializer_constant_valid_p): Move decl to here.
12870 * c-common.c (initializer_constant_valid_p): Delete function from here.
12871 * varasm.c (initializer_constant_valid_p): Move function to here.
12873 * tree.h (STRIP_SIGN_NOPS): New macro.
12874 * fold-const.c (optimize_minmax_comparison): New function.
12875 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
12876 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
12877 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
12878 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
12879 widening conversions.
12880 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
12881 to look at size of mode, not precision of type; also add missing cases.
12882 (optimize_bit_field_compare, decode_field_reference): Don't try to
12883 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
12885 * dwarf2out.c (ctype.h): Include.
12886 (dwarf2out_set_demangle_name_func): New function.
12887 (size_of_line_info): Deleted.
12888 (output_line_info): Compute size of line info table from difference
12890 (base_type_die, add_name_attribute): Call demangle function, if any.
12891 (field_byte_offset): Use bits per word for variable length fields.
12892 (gen_array_type_die): Add array name.
12893 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
12894 (dwarf2out_add_library_unit_info): New function.
12896 * explow.c (set_stack_check_libfunc): New function.
12897 (stack_check_libfunc): New static variable.
12898 (probe_stack_range): Allow front-end to set up a libfunc to call.
12900 * combine.c (simplify_comparison): When making comparison in wider
12901 mode, check for having commuted an AND and a SUBREG.
12902 (contains_muldiv): New function.
12903 (try_combine): Call it when dividing a PARALLEL.
12904 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
12905 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
12907 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
12908 use one of the CLOBBERs instead.
12909 (if_then_else_cond): If comparing against zero, just return thing
12912 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
12913 Don't generate shifts and subtract if have conditional arithmetic.
12915 * rtl.h (delete_barrier): New declaration.
12916 * jump.c (jump_optimize): Set up to handle conditional call.
12917 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
12918 (delete_barrier): New function.
12920 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
12922 * recog.c (nonmemory_operand): Accept ADDRESSOF.
12924 * tree.c (build_type_attribute_variant): Push to obstack of
12925 ttype around type_hash_canon call.
12927 * expr.c (placeholder_list): Move decl to file scope.
12928 (expand_expr): Don't force access to volatile just because its
12930 If ignoring reference operations, just expand the operands.
12931 (expand_expr, case COMPONENT_REF): Propagate
12932 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
12933 Refine test for using bitfield operations vs pointer punning.
12934 (expand_expr, case CONVERT_EXPR): If converting to
12935 BLKmode UNION_TYPE from BLKmode, just return inner object.
12936 Use proper mode in store_field call.
12937 Properly set sizes of object to store and total size in store_field
12938 call for convert to union.
12939 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
12940 memory (like for ADDR_EXPR). Also, don't put constant in register if
12941 we'll want it in memory.
12942 (readonly_fields_p): New function.
12943 (expand_expr, case INDIRECT_REF): Call it if LHS.
12944 (expand_assignment): Handle a RESULT_DECL where
12945 DECL_RTL is a PARALLEL.
12946 (do_jump, case WITH_RECORD_EXPR): New case.
12947 (get_inner_reference): Always go inside a CONVERT_EXPR
12948 and NOP_EXPR if both modes are the same.
12949 (store_field): Use bitfield operations if size of bitsize is not same
12950 as size of RHS's type.
12951 Check for bitpos not a multiple of alignment in BLKmode case.
12952 Do block move in largest possible alignment.
12953 (store_constructor): Set BITSIZE to -1 for variable size and properly
12954 in case of array of BLKmode.
12955 (expand_expr_unaligned): New function.
12956 (do_compare_and_jump): Call it.
12958 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
12959 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
12960 does not include 'o'.
12962 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
12963 both SET_DEST and SET_SRC reference a virtual register.
12964 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
12966 * integrate.c (expand_inline_function): Handle case of setting
12967 virtual stack vars register (from built in setjmp); when parameter
12968 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
12969 (subst_constant): Add new parm, MEMONLY.
12970 (expand_inline_function, integrate_parm_decls): Pass new parm.
12971 (integrate_decl_tree): Likewise.
12972 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
12973 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
12974 (copy_rtx_and_substitute, case SET): Add explicit calls to
12975 copy_rtx_and_substitute for both sides.
12977 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
12979 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
12980 within INDEX_TYPE, instead of before.
12981 (fixup_gotos): Use f->target_rtl, not the next insn,
12982 since latter may be from a later fixup.
12983 (expand_value_return): Correctly convert VAL when promoting function
12984 return; support RETURN_REG being a PARALLEL.
12985 (expand_return): When checking for result in regs and having
12986 cleanup, consider PARALLEL in DECL_RTL as being in regs.
12988 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
12990 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
12991 last_nominal_fname): Mark const.
12992 (struct include_hash: name, nshort, control_macro): Mark
12994 (struct macrodef: symnam): Mark const.
12995 (struct if_stack: fname): Mark const.
12996 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
12997 (IStable): New character-syntax array which encompasses all
12998 the old is_foo arrays.
12999 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
13000 is_space): New macros for interrogating IStable.
13001 (check_macro_name): Kill last argument. All callers changed.
13003 * cppinit.c (initialize_char_syntax): Delete.
13004 (is_idchar, is_idstart, is_hor_space, is_space,
13005 trigraph_table): Delete.
13006 (IStable): New. Initialize with clever macros to avoid
13007 information duplication.
13008 (builtin_array): Table of builtins to get rid of explicit list
13009 in initialize_builtins.
13010 (initialize_builtins): Use builtins_array.
13011 (cpp_start_read): Call init_IStable, and set IStable['$'] if
13012 opts->dollars_in_ident.
13014 * cppexp.c: Change all refs to is_xyz[] arrays to use new
13016 (cpp_parse_expr): Avoid 'format string is not constant'
13017 warning. Use ISGRAPH to identify printable chars.
13018 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
13020 (read_and_prescan): Map trigraphs to chars with open-coded
13021 if-else-if-... sequence, not a lookup table.
13022 * cpphash.c: Change all refs to is_xyz[] arrays to use new
13024 * cpplib.c: Change all refs to is_xyz[] arrays to use new
13025 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
13026 (check_macro_name): Remove ability to report an invalid
13027 assertion name, which is never used.
13028 (do_line): Constify a couple of char *'s.
13029 * cppmain.c (main): Call cpp_cleanup before returning.
13031 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
13033 * ggc.h (struct ggc_statistics): New type.
13034 (ggc_get_size): New function.
13035 (ggc_print_statistics): Likewise.
13036 * ggc-common.c (ggc_stats): New variable.
13037 (ggc_mark_rtx_children): Keep statistics.
13038 (ggc_mark_tree_children): Likewise.
13039 (ggc_print_statistics): New function.
13040 * ggc-page.c (struct globals): Add bytes_mapped field.
13041 (alloc_anon): Update it.
13042 (release_pages): Likewise.
13043 (ggc_get_size): New function.
13044 (ggc_page_print_statistics): New function.
13045 * ggc-simple.c (ggc_get_size): New function.
13047 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
13049 * flow.c (propagate_block): When the last reference to a label
13050 before an ADDR_VEC is deleted because the reference is a dead
13051 store, delete the ADDR_VEC.
13053 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
13055 * resource.c (find_free_register): Don't use the frame pointer
13056 if frame_pointer_needed.
13058 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
13060 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
13061 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
13063 * config/i960/i960.c (i960_va_start): New locals base, num.
13064 Use INDIRECT_REF instead of ARRAY_REF on valist.
13065 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
13067 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
13069 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
13071 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
13073 * tree.def (PLACEHOLDER_EXPR): Update comments.
13075 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13077 * c-common.c (check_format_info): Avoid non-literal format string
13078 warnings when `first_arg_num' is zero.
13080 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13082 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
13084 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
13086 * arm.md (casesi_insn): Add a clobber of the condition code
13089 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
13091 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
13092 used by both cc1 and cc1plus.
13094 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
13096 * config/arm/arm.c: Initialise arm_structure_size_boundary to
13097 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
13098 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
13099 to the value 32 if it has not already been defined.
13100 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
13101 Override definition in arm.h with a value of 8.
13103 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
13105 * c-pragma.c (push_alignment): Don't check the return value
13108 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
13110 * sparc.h (ADJUST_COST): Fix thinko.
13112 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
13114 * cccp.c (rescan): Fixed obp pointer handling around call to
13115 check_expand subroutine.
13117 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
13119 * gcse.c (delete_null_pointer_checks): Only record non-null info
13120 for pseudos when examining stores.
13122 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
13123 splitters for these patterns. Use "#" for output templates.
13124 (addsi3_carryin_shift): New pattern.
13126 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
13128 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
13129 of the function return register into a plain REG until
13130 after function inlining is done.
13132 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
13134 * jump.c (jump_optimize_1): If we did cross-jumping, and
13135 the data will matter, rebuild the CFG.
13136 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
13137 not optimizing. Don't run shorten_branches.
13138 * toplev.c (rest_of_compilation): Run shorten_branches after
13141 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
13143 * rtl.h (note_stores): Add additional paramter.
13144 * rtlanal.c (reg_set_p_1): Take additional paramter.
13145 (reg_set_last_1): Likewise.
13146 (reg_set_p): Adjust call to note_stores.
13147 (reg_set_last): Likewise.
13148 (note_stores): Pass data parameter to worker function.
13149 * alias.c (record_set): Take additional parameter.
13150 (init_alias_analysis): Pass it.
13151 * caller-save.c (mark_set_regs): Take additional parameter.
13152 (save_call_clobbered_regs): Pass NULL to note_stores.
13153 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
13155 (record_dead_and_set_regs_1): Likewise.
13156 (reg_dead_at_p_1): Likewise.
13157 (combine_instructions): Adjust calls to note_stores.
13158 (try_combine): Likewise.
13159 (record_dead_insn): Remove.
13160 (record_dead_and_set_regs): Adjust calls to note_stores.
13161 (reg_dead_at_p): Likewise.
13162 * cse.c (invalidate_skipped_set): Take additional parameter.
13163 (cse_check_loop_start): Likewise.
13164 (cse_check_loop_start_value): Remove.
13165 (cse_set_around_loop): Adjust calls to note_stores.
13166 * flow.c (notice_stack_pointer_modification): Take additional
13167 parameter. Remove duplicate declaration.
13168 (record_volatile_insns): Adjust calls to note_stores.
13169 * gcse.c (record_set_info): Take additional parameter.
13170 (record_last_set_info): Likewise.
13171 (invalidate_nonnull_info): Likewise.
13172 (record_set_insn): Remove.
13173 (compute_sets): Adjust calls to note_stores.
13174 (last_set_insn): Remove.
13175 (compute_hash_table): Adjust calls to note_stores.
13176 (insert_insn_end_bb): Likewise.
13177 (delete_null_pointer_checks): Likewise.
13178 * global.c (mark_reg_store): Take additional parameter.
13179 (mark_reg_clobber): Likewise.
13180 (reg_becomes_live): Likewise.
13181 (global_conflicts): Adjust calls to note_stores.
13182 (build_insn_chain): Likewise.
13183 * integrate.c (note_modified_parmregs): Take additional parameter.
13184 (mark_stores): Likewise. Make it static.
13185 (save_for_inline_nocopy): Adjust calls to note_stores.
13186 (try_constants): Likewise.
13187 * integrate.h (mark_stores): Remove declaration.
13188 * jump.c (mark_modified_reg): Take additional parameter.
13189 (thread_jumps): Adjust calls to note_stores.
13190 * local-alloc.c (validate_equiv_mem_from_store): Take additional
13192 (no_equiv): Likewise.
13193 (reg_is_set): Likewise.
13194 (validate_equiv_mem): Adjust calls to note_stores.
13195 (update_equiv_regs): Likewise.
13196 (block_alloc): Likewise.
13197 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
13198 (note_addr_stored): Take additional parameter.
13199 (note_set_pseudo_multiple_uses): Likewise.
13200 (record_initial): Likewise.
13201 (prescan_loop): Adjust calls to note_stores.
13202 (strength_reduce): Likewise.
13203 (check_dbra_loop): Likewise.
13204 * regmove.c (flags_set_1): Take additional paramter.
13205 (mark_flags_life_zones): Adjust calls to note_stores.
13206 * reload1.c (mark_not_eliminable): Take additional parameter.
13207 (forget_old_reloads_1): Likewise.
13208 (reload_cse_invalidate_rtx): Likewise.
13209 (reload_cse_check_clobber): Likewise.
13210 (reload_combine_note_store): Likewise.
13211 (move2add_note_store): Likewise.
13212 (reload): Adjust calls to note_stores.
13213 (reload_as_needed): Likewise.
13214 (emit_reload_insns): Likewise.
13215 (reload_cse_regs_1): Likewise.
13216 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
13217 (reload_combine): Adjust calls to note_stores.
13218 * resource.c (update_live_status): Take additional paramter.
13219 (mark_target_live_regs): Adjust calls to note_stores.
13220 * stupid.c (find_clobbered_regs): Take additional parameter.
13221 (stupid_life_analysis): Adjust calls to note_stores.
13223 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
13225 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
13228 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
13231 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
13232 of the variable arm_structure_size_boundary.
13234 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
13236 * alias.c (init_alias_analysis): Allocate reg_known_value and
13237 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
13239 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
13240 * cse.c (cse_main): Call end_alias_analysis.
13241 * haifa-sched.c (schedule_insns): Likewise.
13242 * local-alloc. (update_equiv_regs): Likewise.
13243 * reload1.c (reload_cse_regs): Likewise.
13245 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13247 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
13248 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
13249 mapping from MASK_FPU.
13251 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
13253 * sparc.md (call): Don't bound structure return size to 0xfff.
13255 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
13257 * resource.c (mark_target_live_regs): Check that the target
13258 insn wasn't created after compute_bb_for_insn.
13260 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
13262 * ggc-page.c (poison_pages): Don't be overzealous.
13264 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
13266 * alias.c: Update comments for ADDRESS.
13267 (nonlocal_reference_p): Look inside the ADDRESS to determine if
13268 it is a local memory reference.
13270 * c-typeck.c (build_function_call): Check that the built-in
13271 function is of class BUILT_IN_NORMAL before trying to recongize
13272 it as BUILT_IN_ABS.
13273 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
13274 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
13276 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
13278 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
13280 (pre_gcse): Likewise.
13281 (hoist_expr_reaches_here_p): Likewise.
13282 (hoist_code): Likewise.
13283 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
13285 (pre_expr_reaches_here_p_work): ... here.
13286 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
13288 (expr_reaches_here_p_work): ... here.
13290 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
13292 * resource.c (find_basic_block): Delete.
13293 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
13294 (init_resource_info): Call compute_bb_for_insn.
13296 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
13298 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
13299 with already adjacent blocks, but no fallthru.
13300 (merge_blocks_move_successor_nojumps): Simplify.
13301 (debug_flow_info): New.
13303 * toplev.c (rest_of_compilation): Open jump1 dump file before
13304 jump and close after, as opposed to just using dump_rtl.
13306 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13308 * reload.h (earlyclobber_operand_p): Declare.
13309 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
13310 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
13311 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
13312 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
13314 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13315 Richard Henderson <rth@cygnus.com>
13317 * emit-rtl.c (emit_block_insn_before): New.
13318 (emit_block_insn_after): New.
13319 * basic-block.h: Declare them.
13321 * bitmap.h: Protect from multiple inclusion.
13323 * recog.c (scratch_operand): Handle VOIDmode correctly.
13325 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
13327 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
13328 * function.c (assign_parms): Likewise.
13329 * global.c (global_conflicts): Clarify STACK_REGS commentary.
13331 * reg-stack.c (max_uid): Remove.
13332 (blocks, block_begin, block_end, block_drops_in): Remove.
13333 (block_stack_in, block_out_reg_set, block_number): Remove.
13334 (struct block_info_def, BLOCK_INFO): New.
13335 (enum emit_where): New.
13336 (current_block): New.
13337 (BLOCK_NUM): Remove.
13338 (mark_regs_pat, record_label_references): Remove.
13339 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
13341 (goto_block_pat, print_blocks, dump_stack_info): Remove.
13342 (reg_to_stack): Simplified test for existance of fp code. Use
13343 flow.c code. Call shorten_branches after cross-jump opt.
13344 (check_asm_stack_operands): Renamed from record_asm_reg_life.
13345 Return false if the asm doesn't use stack regs. Don't do life
13346 analysis on the asm.
13347 (emit_pop_insn): Replace function pointer arg `when' with
13348 enum `where'. Update all callers.
13349 (change_stack): Likewise. Update basic block end.
13350 (emit_swap_insn): Use current_block->head to limit reverse search
13351 for start of block. Use emit_block_insn_after.
13352 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
13353 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
13354 structure assignment instead of bcopy.
13355 (print_stack): New.
13356 (convert_regs_entry, convert_regs_exit): New.
13357 (convert_regs_1, convert_regs_2): Split out from convert_regs.
13358 Work on basic blocks and the CFG.
13359 (convert_regs): Use them.
13361 * i386.c (output_fix_trunc): Remove code for DImode input operand
13362 not at top-of-stack.
13363 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
13365 (fix_truncdi_1): Allow any mode scratch.
13367 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
13369 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
13370 * linux.h, netbsd.h, vms.h: Not here.
13372 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
13374 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
13375 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
13376 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
13377 CONDITIONAL_REGISTER_USEAGE): Use them.
13378 * config/mips/mips.c (mips_move_1word,mips_move_2words,
13379 gen_conditional_branch,override_options) : Use them.
13380 * config/mips/mips.md : Use them.
13382 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
13384 * i386.md (zero_extendqihi2): Use SImode register name with andl.
13386 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
13388 * integrate.c (function_cannot_inline_p): Don't allow inlining
13391 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13393 * c-parse.in (cast_expr): Constify.
13395 * cccp.c (special_symbol): Likewise.
13397 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
13399 * dwarf2out.c (base_type_die): Likewise.
13401 * global.c (allocno_compare): Likewise.
13403 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
13405 * regclass.c (fix_register): Likewise.
13407 * rtl.h (fix_register): Likewise.
13409 * stupid.c (stupid_reg_compare): Likewise.
13411 * toplev.c (decode_f_option): Likewise.
13413 * tree.c (build_complex_type): Likewise.
13415 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
13417 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
13419 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13421 * reload.c (find_reloads): Compute mode and nregs fields of all
13423 * reload1.c (calculate_needs_all_insns): Simplify a bit.
13424 (calculate_needs): Use precomputed mode/nregs values.
13425 (allocate_reload_reg): Likewise.
13427 (failed_reload, set_reload_reg): ... new functions.
13428 (choose_reload_regs_init): New function, mostly broken out from...
13429 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
13430 Also lose one #if 0 block.
13432 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
13434 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
13437 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
13439 * tree.h (BLOCK_TYPE_TAGS): Remove.
13440 (BLOCK_END_NOTE): Likewise.
13441 (BLOCK_LIVE_RANGE_FLAG): Likewise.
13442 (BLOCK_LIVE_RANGE_START): Likewise.
13443 (BLOCK_LIVE_RANGE_END): Likewise.
13444 (tree_block): Remove live_range_flag, live_range_var_flag, and
13445 type_tags. Remove end_note, live_range_start, and live_range_end.
13446 (remember_end_note): Remove prototype.
13447 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
13448 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
13450 * ggc-common.c (ggc_mark_tree_children): Don't mark
13451 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
13452 * integrate.c (adjust_copied_decl_tree): Remove.
13453 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
13454 * stmt.c (last_block_end_note): Remove.
13455 (init_stmt): Don't add a GC root for it.
13456 (expand_fixup): Don't set it.
13457 (remember_end_note): Remove.
13458 (expand_end_bindings): Don't set last_block_end_note.
13460 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13462 * reload1.c (reload_reg_free_for_value_p): Show
13463 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
13466 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
13468 * expmed.c (extract_bit_field): Allow for the case of non-integer
13469 objects that are smaller than a word (like SFmode on a 64-bit
13472 * loop.c (basic_induction_var): A non-integer variable which is
13473 being set by a paradoxical subreg is probably not a biv.
13475 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13477 * prefix.c (translate_name) Check for empty prefix string.
13479 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
13481 * Makefile.in (CPP_CROSS_NAME): New variable.
13482 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
13484 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
13485 names of the files to be uninstalled.
13487 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
13489 * collect2.c (IS_DIR_SEPARATOR): Define.
13490 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
13492 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
13495 * haifa-sched.c (add_dependence): Update the true dependency
13496 cache the first time we add a true dependence to the LOG_LINKS chain.
13498 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
13500 * fold-const.c (fold): Fix comment.
13502 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13504 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
13505 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
13506 dbxout_start_new_source_file, dbxout_source_file,
13507 dbxout_source_line, dbxout_finish, dbxout_type_fields,
13508 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
13510 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
13511 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
13512 (dbxout_block): Initialize variable `blocknum'.
13514 * dbxout.h (dbxout_init, dbxout_finish,
13515 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
13516 dbxout_args, dbxout_source_line): Constify a char*.
13518 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
13519 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
13520 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
13521 low_pc_attribute, high_pc_attribute, body_begin_attribute,
13522 body_end_attribute, comp_dir_attribute, sf_names_attribute,
13523 src_info_attribute, mac_info_attribute, producer_attribute,
13524 lookup_filename, generate_macinfo_entry, fundamental_type_code,
13525 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
13526 dwarfout_undef): Constify a char*.
13527 (add_incomplete_type, retry_incomplete_types): Add prototypes.
13529 * dwarfout.h (dwarfout_define, dwarfout_undef,
13530 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
13532 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
13534 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
13535 (MULTILIB_ISA_DEFAULT): New.
13536 (MULTILIB_DEFAULTS): Use it.
13537 * config/mips/mips.c (): Remove the now unnecessary definition
13538 of MIPS_ISA_DEFAULT.
13539 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
13540 unnecessary definition.
13542 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
13544 * arm.md (pic_load_addr): Add constraints to operand 1.
13546 1999-10-25 Bruce Korb <autogen@linuxbox.com>
13548 * fixinc/genfixes: Provide a means for specifying -D options to
13551 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
13553 * arm.c (arm_override_options): Correct initialization of
13554 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
13555 arm_is_strong, and arm_is_6_or_7.
13557 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
13558 (note_set_pseudo_multiple_uses): New function.
13559 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
13560 if a pseudo set in the loop exit is used elsewhere.
13562 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
13564 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
13566 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
13568 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
13569 a single load-address pattern.
13571 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
13573 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
13574 depending on whether or not line-number notes are present.
13576 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13578 * cccp.c (progname, file_buf, default_include, include_file,
13579 macrodef, definition, hashval, wchar_type, user_label_prefix,
13580 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
13581 expand_to_temp_buffer, is_system_include, base_name,
13582 absolute_filename, read_name_map, open_include_file,
13583 record_control_macro, check_precompiled, check_preconditions,
13584 pcfinclude, pass_thru_directive, create_definition,
13585 check_macro_name, comp_def_part, collect_expansion,
13586 check_assertion, read_token_list, assertion_install,
13587 assertion_lookup, eval_if_expression, conditional_skip,
13588 validate_else, skip_quoted_string, quote_string, macarg1,
13589 error_from_errno, install, lookup, hashf, dump_defn_1,
13590 perror_with_name, pfatal_with_name, main, trigraph_pcp,
13591 check_white_space, rescan, handle_directive, monthnames,
13592 special_symbol, do_include, remap_include_file, write_output,
13593 arglist, do_assert, do_unassert, do_line, do_error, do_once,
13594 do_ident, do_sccs, do_xifdef, skip_if_group,
13595 output_line_directive, macroexpand, macarg, change_newlines,
13596 initialize_builtins, make_definition): Constify a char*.
13598 * pcp.h (stringdef): Likewise.
13600 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
13602 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
13605 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
13606 Richard Henderson <rth@cygnus.com>
13608 * alias.c: Include ggc.h.
13609 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
13610 (record_set): Verify enough room in reg_base_value.
13611 (init_alias_analysis): Allocate reg_base_value with xcalloc.
13612 Register it as a GC root.
13613 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
13614 * Makefile.in (alias.o): Depend on ggc.h.
13616 * unroll.c (unroll_loop): Verify the insn before a barrier
13617 is a JUMP_INSN before checking JUMP_LABEL.
13619 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13621 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
13622 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
13623 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
13624 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
13625 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
13626 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
13628 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13630 * output.h (ctors_section, dtors_section, bss_section): Prototype.
13632 * alpha/alpha-interix.h (text_section): Delete prototype.
13633 * alpha/elf.h (text_section): Likewise.
13634 * arm/linux-elf.h (text_section): Likewise.
13635 * arm/linux-telf.h (text_section): Likewise.
13636 * c4x/c4x.h (text_section): Likewise.
13637 * dsp16xx/dsp16xx.h (bss_section): Likewise.
13638 * elfos.h (text_section): Likewise.
13639 * i386/aix386ng.h (text_section): Likewise.
13640 * i386/i386-interix.h (text_section): Likewise.
13641 * i386/sco5.h (text_section): Likewise.
13642 * i386/svr3gas.h (text_section): Likewise.
13643 * nextstep.h (text_section): Likewise.
13644 * psos.h (text_section): Likewise.
13645 * ptx4.h (text_section): Likewise.
13646 * svr3.h (text_section): Likewise.
13647 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
13649 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13651 * final.c (peephole): Delete prototype.
13653 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
13654 (pre_insert_copies): Remove unused variable `bb'.
13656 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
13659 * output.h (peephole): Add prototype.
13661 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
13663 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
13666 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
13668 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
13669 for inlined declarations.
13671 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
13673 * arm.c (logical_binary_operator): New fucntion.
13674 * arm.h (logical_binary_operator): Declare it.
13675 (PREDICATE_CODES): Handle logical_binary_operator.
13676 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
13677 output constraints. Add appropriate splitters.
13678 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
13679 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
13680 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
13682 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13684 * genoutput.c (struct operand_data): New elt eliminable.
13685 (output_operand_data): Write it.
13686 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
13687 (compare_operands): Take it into account.
13688 * recog.h (struct insn_operand_data): New elt eliminable.
13689 * reload1.c (check_eliminable_occurrences, elimination_effects): New
13691 (old_asm_operands_vec, new_asm_operands_vec): Delete.
13692 (eliminate_regs): Move code that detects changes to elimination
13693 target regs into new function elimination_effects.
13694 Delete one #if 0 block.
13695 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
13696 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
13697 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
13698 Only call eliminate_regs for real operands of the insn, not for parts
13699 of its structure or parts matched by things like match_operator.
13700 Use elimination_effects and check_eliminable_occurrences. Use
13701 copy_insn to duplicate the pattern when not in the final pass.
13703 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
13705 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
13708 1999-10-22 Bruce Korb <autogen@linuxbox.com>
13710 * fixinc/README: document the "mach" machine matching test
13711 * fixinc/fixfixes.c: Implement the #else/#endif label fix
13712 * fixinc/fixtests.c: Implement the #else/#endif label test
13713 * fixinc/inclhack.def: utilize these tests and fixes
13714 * fixinc/inclhack.sh: regen
13715 * fixinc/fixincl.x: regen
13716 * fixinc/fixincl.sh: regen
13718 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
13720 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
13723 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
13725 * gcc.1: Document exit codes.
13727 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13729 * calls.c: Include tm_p.h later, so everything we need is defined.
13730 * expr.c: Likewise.
13731 * function.c: Likewise.
13733 * except.c: Include tm_p.h.
13735 * sparc.c: Likewise.
13736 (dwarf2out_cfi_label): Don't prototype.
13737 (check_return_regs, epilogue_renumber,
13738 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
13739 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
13740 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
13741 ultra_schedule_insn): Add static prototype.
13742 (data_segment_operand, text_segment_operand): Call itself with the
13743 proper number of arguments.
13744 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
13746 * sparc.h: Move all declarations to sparc-protos.h.
13747 (SELECT_RTX_SECTION): Pass a missing MODE argument to
13750 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
13752 * config/svr4.h (text_section, ctors_section, dtors_section): Add
13754 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
13755 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13756 ASM_OUTPUT_ASCII): Constify a char*.
13758 * sparc-protos.h: New file for sparc prototypes.
13760 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13762 * function.c (record_insns, contains): Always declare and define.
13763 (record_insns): Mark with ATTRIBUTE_UNUSED.
13765 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
13767 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
13768 to .section when outputting a .bss section to deal with multiple
13769 .bss input sections (as happens with -fdata-sections)
13770 Also output %progbits, not @progbits so the assembler doesn't treat as
13772 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
13774 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
13775 thumb parts even when building with non-thumb CPUs, by forcing
13778 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
13780 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
13781 (movdf_const_intreg_sp64): Similarly.
13783 * local-alloc.c (update_equiv_regs): Check the correct insn
13784 for pre-existing REG_EQUIV notes.
13786 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
13788 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
13789 block reached by a branch if we're not going to actually process
13792 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
13794 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
13795 a local extern function declaration.
13797 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
13799 * i386.c (ix86_expand_prologue): Properly wrap USE around
13800 reg for CALL_INSN_FUNCTION_USAGE.
13802 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
13804 * config/mips/mips.md (movdf_internal1a): Allow floating-point
13805 move between GP_REGs.
13807 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
13809 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
13810 the mode size when finding out if an offset is legal.
13812 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
13814 * basic-block.h (PROP_*): Move constants from ...
13815 * flow.c: ... here.
13816 (compute_bb_for_insn): Free the array before reallocating.
13817 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
13818 (allocate_reg_life_data): Reset all reg variables collected by
13820 (get_block_head_tail): Don't convert from bb to block.
13821 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
13822 (find_insn_reg_weight): Take block not bb.
13823 (schedule_block): Don't set block num for moved insns.
13824 (schedule_region): Don't update_life_info or find_insn_reg_weight.
13825 (schedule_insns): Do it here instead.
13826 * combine.c (combine_instructions): Invoke compute_bb_for_insn
13827 before update_life_info.
13828 * recog.c (split_all_insns, peephole2_optimize): Update for
13829 new arg to update_life_info.
13830 * rtlanal.c (remove_note): Cope with NULL note.
13831 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
13834 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
13836 * jump.c (jump_optimize_1): More accurately detect casesi insns.
13838 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
13839 block records so that merge_blocks_nomove will clean up correctly.
13840 (split_edge): Handle casesi insns.
13842 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
13844 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
13846 * pa.md (call, call_value): Do not emit a blockage after restoring
13849 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
13851 * c-typeck.c (c_expand_asm_operands): Fix typo.
13853 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13855 * arm.c (fpu_rhs_operand): Verify modes.
13856 (fpu_add_operand): Likewise.
13857 (di_operand): Likewise.
13858 (soft_df_operand): Likewise.
13860 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
13862 * arm.c (arm_return_in_memory): APCS rules state that the elements
13863 of a structure returned in a register must be 'integer-like'.
13865 1999-10-19 Bruce Korb <autogen@linuxbox.com>
13867 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
13868 in the source tree when the generated targets are out of date
13869 * fixinc/genfixes: Alter it to run individual fixes for make.
13870 * fixinc/README: rewrite
13871 * fixinc/inclhack.def: moved initial comments to README
13873 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
13875 * toplev.c (main): Do not generate an error message if an
13876 unrecognised command line switch is recognisable by another
13877 language. If extra_warnings are enabled, then generate a
13878 warning message instead.
13880 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
13882 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
13883 (insert_pack_attributes): Delete prototype.
13885 * c-pragma.c (default_alignment): New static variable.
13886 (push_alignment): Initialize to current effective alignment.
13887 (pop_alignment): Use to set new alignment.
13888 (insert_pack_attributes): Delete function.
13889 (handle_pragma_token): Set default_alignment as well each time
13890 a #pragma pack(<n>) is encountered.
13892 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
13894 * reg-stack.c (stack_result): Aggregates are not returned in
13897 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
13899 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
13901 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
13903 * basic-block.h (set_block_num): Declare.
13904 * flow.c (update_life_info): Don't call compute_bb_for_insn
13905 or free_basic_block_vars.
13906 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
13907 (insn_orig_block): Remove.
13908 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
13909 (schedule_block): Keep BLOCK_NUM up-to-date.
13910 (schedule_insns): Use compute_bb_for_insn.
13911 * recog.c (split_all_insns): Likewise.
13912 (peephole2_optimize): Likewise.
13914 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
13916 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
13917 if the pic register is used.
13919 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13921 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
13922 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
13923 if that tests TREE_PERMANENT.
13925 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
13927 * cse.c (invalidate_for_call): Do not remove memory references from
13928 the table here. It's handled elsewhere.
13930 * haifa-sched.c (add_dependence): Protect references to the
13931 true dependency cache with #ifdef INSN_SCHEDULING.
13932 (remove_dependence): Similarly.
13934 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
13935 to the cfg code that this is a return instruction.
13936 * mn10300.md (return_internal): Similarly.
13938 * combine.c (get_last_value): If the last set of a register
13939 is after subst_low_cuid, then we can not use it to determine
13940 the register's last value.
13942 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
13944 * Makefile.in: Back out previous change.
13946 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
13948 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
13950 * haifa-sched.c (add_dependence): Only check/update the cache
13952 (remove_dependence): Likewise.
13953 (schedule_insns): Only create the true_dependency_cache if the
13954 average number of instructions in a basic block is very large.
13956 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
13958 * Makefile.in (ggc-common.o): Depend on genrtl.h.
13959 (ggc-simple.o): Likewise.
13960 (ggc-page.o): Likewise.
13962 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
13964 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
13965 Prototype for exported functions.
13966 (pre_lcm, pre_rev_lcm): Remove prototypes.
13967 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
13968 (compute_available): Move to lcm.c, and change parameter order.
13969 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
13970 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
13971 (gcse_main): No longer call compute_preds_succs. Rebuild the
13972 set table after reach pre pass.
13973 (pre_insert_map, pre_delete_map, edge_list): New.
13974 (alloc_pre_mem): Allocate edge vectors.
13975 (free_pre_mem): Delete edge vectors.
13976 (compute_pre_data): Call new edge based lcm routines.
13977 (process_insert_insn): New function.
13978 (insert_insn_end_bb): Use it.
13979 (pre_edge_insert): New function.
13980 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
13982 (pre_insert_copies): Revamp using new edge based lcm outputs.
13983 (pre_delete): Likewise.
13984 (one_pre_gcse_pass): Insert & remove fake edges to the exit
13986 (compute_code_hoist_vbeinout): New new edge based routines.
13987 * lcm.c: Remove all the old LCM functions. Replace with new ones
13988 that work with the new cfg datastructures and work with edges
13991 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13993 * reload.h (struct reload): Add new fields "mode" and "nregs".
13994 * reload1.c: Change all occurrences of reload_mode and reload_nregs
13995 to reference the "mode" and "nregs" field within struct reload.
13997 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
13999 * haifa-sched.c (true_dependency_cache): New.
14000 (add_dependence): Use the true dependency cache to avoid expensive
14001 walks down the LOG_LINKS dependency list. Add entries to the
14002 cache as necessary.
14003 (remove_dependence): Remove entries from the true dependency cache
14005 (schedule_insns): Allocate and initialize and free the true
14008 * haifa-sched.c (schedule_insns): Do not remove inter-block
14009 dependencies anymore.
14011 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
14013 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
14014 * i386/t-winnt: Likewise.
14016 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
14018 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
14020 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
14022 * Makefile.in (LANGUAGES): Omit "proto".
14023 (clean): Remove stale comment about removing unprotoize.c.
14025 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14027 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
14028 using arithmetic on void pointers.
14030 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
14032 * haifa-sched.c (compute_block_forward_dependencies): Only check
14033 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
14035 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
14037 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
14038 (expr_equiv_p): Reject memories with different alias sets.
14040 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
14042 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
14043 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
14044 (f_options): Add "bounded-pointers" and "bounds-check" entries.
14045 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
14046 (lang_init): Set default for flag_bounds_check if still "unspecified".
14048 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14050 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
14052 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14054 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
14057 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14059 * config/c4x/c4x.md (*db_noclobber,
14060 *decrement_and_branch_until_zero_noclobber): New patterns and
14061 associated splitters.
14063 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14065 * config/c4x/c4x.md (parallel instruction patterns): Rework
14066 constraints to keep reload happy.
14068 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14070 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
14071 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
14072 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
14073 Add new patterns and associated post-reload splitters.
14075 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14077 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
14079 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14081 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
14083 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
14085 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14087 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
14090 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
14092 * pa.c (move_operand): Rely on memory_address_p to determine the
14093 validity of non-indexed memory addresses.
14094 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
14095 operand in DFmode and SFmode when generating PA2.0 code.
14097 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
14099 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
14101 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
14103 * mips.c (function_prologue): Fix argument types.
14104 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
14105 (casesi_internal): Write to the scratch register.
14107 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
14109 * cppexp.c (cpp_parse_escape): Make static. Change second arg
14111 (parse_charconst): Delete unnecessary cast when calling
14113 (cpplib.h): Kill prototype of cpp_parse_escape.
14115 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
14117 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
14118 * unroll.c (unroll_loop): Cast return value of alloca.
14119 * i370/i370.c: Include function.h and toplev.h.
14120 (i370_label_scan): Remove c++ commented abort.
14121 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
14122 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
14123 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
14124 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
14126 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
14128 * config/t-freebsd: Do not override USER_H.
14129 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
14131 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
14132 Mumit Khan <khan@xraylith.wisc.edu>
14134 * c-parse.in (component_decl): Support anonymous struct/union.
14136 * c-parse.y: Regenerate.
14137 * c-parse.c: Likewise.
14138 * objc/objc-parse.y: Likewise.
14139 * objc/objc-parse.c: Likewise.
14140 * c-decl.c (finish_struct): Don't sort the fields.
14141 (field_decl_cmp): Delete unused function.
14143 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
14145 * sparc.md (movsf_const_intreg): Revert last constraint change.
14146 (movdf_const_intreg_sp32): Likewise.
14148 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
14150 * cse.c: Include hashtab.h instead of splay-tree.h
14151 (struct cse_reg_info): No longer use variant union. Add new
14152 field "regno". All references changed to avoid union.
14153 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
14154 (free_cse_reg_info): Remove.
14155 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
14156 (get_cse_reg_info): Revamp to use expandable hash tables instead
14157 of splay trees. Initialize new fields in cse_reg_info structure.
14158 (new_basic_block): Similarly.
14160 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
14162 * genrecog.c (message_with_line): Prototype.
14163 (validate_pattern): Pass along the set for the dest, not a flag.
14164 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
14165 Check for PC/CC0 as sources.
14166 (nodes_identical): Check for children position match before
14167 allowing the combination.
14169 * rtl.c (read_rtx): Track line number across \\\n.
14171 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
14173 * mips.h (SPECIAL_MODE_PREDICATES): New.
14174 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
14175 (movdi+1, movsi+1): Add output reload constraint.
14176 (casesi_internal): Likewise. Fix commentary.
14177 (return_internal): Use pmode_register_operand.
14179 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
14181 * 1750a.md (movstrqi): Add missing output reload constraint.
14182 (call_value): Likewise.
14183 * a29k.md (cpxxx patterns): Add missing match_operator mode.
14184 (jmpfdec): Add missing inout reload constraint.
14185 * elxsi.md (addsi patterns): Add missing output reload constraint.
14186 (move from sp): Use @ alternates.
14187 (call_value): No constraint on output.
14188 * fr30.md (movsi_pop): Add missing output reload constraint.
14189 (movsf_constant_store): Likewise.
14190 (splits): Remove constraints.
14191 (subsi3): Add missing mode.
14192 * i370.md (cmpstrsi+1): Add missing output reload constraint.
14193 (call_value): Likewise.
14194 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
14195 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
14196 * m32r.md (movsicc_internal): Add output reload constraint.
14197 (movstrsi_internal): Add inout reload constraints.
14198 * m88k.h (reg_names): Don't declare.
14199 (SPECIAL_MODE_PREDICATES): New.
14200 * m88k.md (*): Use register_operand not reg_or_0_operand
14202 * mn10200.h (PREDICATE_CODES): New.
14203 * ns32k.md (ffs pattern): Add output reload constraint.
14204 * pdp11.md (sob pattern): Add inout reload constraint.
14205 * sh.md (splits): Remove constraints.
14206 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
14207 * v850.md (pattern_is_ok_for_epilogue): Likewise.
14208 * vax.md (jgequ pattern): Add inout reload constraint.
14210 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
14212 * configure.in (djgpp): Revert previous patch.
14213 * configure: Rebuit.
14214 * config/i386/djgpp.h: Revert previous patch.
14216 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
14218 * fixinc/inclhack.def: Restore patch lost during last merge of
14219 "no_bogosity" branch.
14220 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
14222 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
14224 * fixincludes: Add a HPUX 11 fix for inttypes.h.
14225 * fixinc/inclhack.def: Same.
14226 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
14228 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
14230 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
14231 as the base of a PLUS.
14233 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14235 * config/c4x/c4x.md: Define mode for remaining unspec operators.
14236 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
14238 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
14240 * pa.md (post_stw+1): Use pmode_register_operand.
14241 (dcacheflush, icacheflush): Likewise.
14243 * i386.md (movstricthi_1): Allow r/r.
14245 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
14247 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
14248 to (not (and (arg0) (arg1))). Similary for and.
14250 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
14251 fallthrough to associate code.
14252 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
14255 * combine.c (simplify_logical): Convert XOR to IOR if operands have
14256 no bits in common; remove XOR to ROTATE conversion.
14258 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14260 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
14262 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14264 * config/c4x/c4x.c (dst_operand): New.
14265 (PREDICATE_CODES): Update.
14266 * config/c4x/c4x.h (dst_operand): Declare it.
14267 * config/c4x/c4x.md: Define mode for each unspec usage.
14268 (move patterns): Use dst_operand predicate instead of src_operand.
14269 (movqi_update, movqf_update): Delete.
14271 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
14273 * recog.c (pmode_register_operand): New.
14274 * recog.h: Declare it.
14275 * genrecog.c (pred_codes): Likewise.
14276 (special_mode_pred_table): Likewise.
14277 (validate_pattern): Don't warn no mode for address_operand.
14279 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
14280 if the operand is not insn-like.
14282 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
14283 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
14285 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
14287 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
14289 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
14290 instead of general_operand in a SET_DEST. Use const_double_operand
14291 instead of an explicit test against CONST_DOUBLE.
14292 (movsf_const_lo): Add missing register mode.
14293 (goto_handler_and_restore): Add auxiliary test for Pmode.
14294 (flush): Adjust to use address_operand.
14295 (return_sf_no_fpu): Add missing output constraint.
14297 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
14299 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
14300 for call return value.
14301 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
14303 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
14305 * toplev.c (main): Only warn about options for other languages.
14306 * collect2.c (main): Pass -w to sub-gcc.
14308 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
14310 * flow.c (propagate_block): Add call-clobbered registers to
14313 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
14314 zapping mem_set_list.
14315 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
14316 (mark_set_1, mark_used_regs): Likewise.
14318 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
14320 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
14322 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14324 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
14325 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
14326 options. Also add a new item "C-only Warning Options" to the
14329 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
14331 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
14332 from multiple calls.
14334 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
14336 * i386.md (call value patterns): Move to the end of the file.
14337 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
14339 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
14341 * configure.in (djgpp configuration): Define extra_objects..
14342 * configure: Rebuilt.
14343 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
14344 (DTORS_SECTION_ASM_OP): Define.
14345 (INIT_SECTION_ASM_OP): Define.
14346 (FINI_SECTION_ASM_OP): Define.
14347 (DATA_SECTION_ASM_OP): Define.
14348 (TEXT_SECTION_ASM_OP): Define.
14349 (EH_FRAME_SECTION_ASM_OP): Define.
14350 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
14351 (STARTFILE_SPEC): Add crtbegin.o.
14352 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
14353 to here from LINK_COMMAND_SPEC.
14354 (DO_GLOBAL_CTORS_BODY): Define.
14355 (CRTSTUFF_USE_FINI_SECTION): Define
14356 (HAS_INIT_SECTION): Delete.
14358 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
14360 * Makefile.in (all.cross): Depend on xcpp$(exeext).
14362 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
14364 * pa.h (PREDICATE_CODES): New.
14366 * genrecog.c (validate_pattern): Condense the destination
14367 non-lvalue message.
14369 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
14371 * alpha.md (call-1): Supply missing mode for operator.
14372 (*): Add missing output reload constraints. Remove constraints
14373 from define_splits.
14375 * i386.h (SPECIAL_MODE_PREDICATES): New.
14376 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
14377 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
14378 (addsi_lea_3): Add missing mode for op 3.
14379 (prologue_set_got, prologue_get_pc): Add missing modes.
14380 (*) Add missing output reload constraints.
14382 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
14384 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
14385 check for member bit-size overflow and use var_size if it occurs.
14386 (layout_record): Use bitsize_int() to define the type size in bits.
14387 Likewise for computation and assignment to DECL_FIELD_BITPOS.
14388 (layout_decl): Likewise when assigning to DECL_SIZE.
14390 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
14392 * genrecog.c (validate_pattern): Typo last change. Verify
14393 that output operands have output reloads.
14395 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
14397 * genrecog.c (special_mode_pred_table): New.
14398 (NUM_SPECIAL_MODE_PREDS): New.
14399 (find_operand): New.
14400 (validate_pattern): New argument `insn'. Warn for assignment to
14401 any predicate accepting non-lvalues. Conditionaly warn for
14402 match_operand without a mode. Try much harder to match source
14403 and destination modes on a set.
14404 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
14406 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
14408 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
14410 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
14412 * combine.c (simplify_logical): Recognize xor pattern that encodes
14415 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14417 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
14420 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
14422 * ggc-page.c (MAP_FAILED): Provide default.
14424 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
14426 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
14427 * sparc.h (PREDICATE_CODES): Update.
14429 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
14431 * alpha.c (some_ni_operand): New.
14432 * alpha-protos.h: Declare it.
14433 * alpha.h (PREDICATE_CODES): Update.
14434 * alpha.md (sXaddq reload insns): Use some_ni_operand
14435 for SET_DEST instead of some_operand.
14437 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
14438 Jim Wilson <wilson@cygnus.com>
14440 * genrecog.c (maybe_both_true_2): Don't compare modes of
14442 (process_tree): Elide peephole2_insns. Invoke simplify_tests
14443 after find_afterward.
14444 (debug_decision_1): Dump next and afterward codes.
14446 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
14448 * rtl.c (dump_and_abort): Remove.
14449 (fatal_with_file_and_line): New.
14450 (fatal_expected_char): New.
14451 (read_rtx_lineno, read_rtx_filename): New.
14452 (read_skip_spaces): Track line number.
14453 (read_name): Use fatal_with_file_and_line.
14454 (read_rtx): Use fatal_expected_char. Track line number.
14455 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
14457 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
14458 if it isn't a CODE_LABEL.
14460 * genattr.c (main): Set read_rtx_filename.
14461 * genattrtab.c (main): Likewise.
14462 * gencodes.c (main): Likewise.
14463 * genconfig.c (main): Likewise.
14464 * genemit.c (main): Likewise.
14465 * genextract.c (main): Likewise.
14466 * genflags.c (main): Likewise.
14467 * genopinit.c (main): Likewise.
14468 * genoutput.c (main): Likewise.
14469 * genpeep.c (main): Likewise.
14471 * genrecog.c (decision_test.u.insn): Add `lineno'.
14472 (pattern_lineno, error_count): New variables.
14473 (message_with_line): New.
14474 (add_to_sequence): Break out checking code to ...
14475 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
14476 (merge_insn): Use message_with_line.
14477 (make_insn_sequence): Use validate_pattern. Record insn lineno.
14478 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
14480 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14482 * expr.c (store_constructor): Clear union if constructor is empty.
14484 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
14486 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
14487 Add !endian checks. Change %{...} to %(...).
14489 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
14491 * i386.md (*addsi3_cc): Renamed from addcsi3.
14492 (*addsi3_carry): Renamed from addxsi3.
14493 (*subsi3_cc): Renamed from subcsi3.
14494 (*subsi3_carry): Renamed from subxsi3.
14495 (*xorqi_cc_1): Renamed from xorcqi_1.
14496 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
14497 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
14499 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
14501 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
14502 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
14504 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
14506 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
14507 climb up the chain of insns.
14509 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
14511 * genrecog.c (write_subroutine): Careful for null trees.
14512 (process_tree): Don't elide empty functions.
14514 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
14516 * Makefile.in (genrtl.o): Depend on ggc.h.
14517 * configure.in (valloc): Probe for it.
14518 (with-gc): Use ggc-page if valloc present.
14519 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
14520 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
14521 (ggc_alloc_string): Moved from ggc-page.c.
14522 * ggc-none.c (ggc_alloc_obj): New.
14523 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
14524 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
14525 (struct globals): Likewise for dev_zero_fd.
14526 (init_ggc): Likewise for it's initialization.
14527 (ggc_allocated_p): Move careful dereference from ...
14528 (ggc_lookup_page_table): ... here. Delete.
14529 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
14530 (alloc_anon): Use valloc if no mmap.
14531 (release_pages): Use free if using valloc.
14532 (ggc_alloc_obj): Renamed from alloc_obj.
14533 (ggc_set_mark): Renamed from mark_obj.
14534 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
14535 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
14536 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
14537 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
14538 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
14539 (ggc_collect): Use fp printing instead of our own rounding.
14540 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
14541 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
14542 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
14543 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
14544 (struct ggc_string, struct ggc_any): Delete.
14545 (offsetof): Provide default definition.
14546 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
14548 (struct ggc_mem): New, from corpse of ggc_any.
14549 (struct ggc_status): Delete.
14550 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
14551 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
14552 (n_strings_collected, n_anys_collected): Delete.
14553 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
14554 (ggc_alloc_string, ggc_alloc): Delete.
14555 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
14556 (ggc_free_string, ggc_free_any): Delete.
14557 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
14558 (ggc_compare_addresses, ggc_mark_string): Delete.
14559 (ggc_mark_string_if_gcable, ggc_mark): Delete.
14560 (search_data): Delete.
14561 (struct globals): New.
14562 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
14563 (tree_insert, tree_lookup): New.
14564 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
14565 (clear_marks, sweep_objs): New.
14566 (ggc_collect): Gut. Use clear_marks, sweep_objs.
14567 (init_ggc): Set allocated_last_gc.
14568 (ggc_push_context): Gut. Use G.context.
14569 (ggc_pop_context): Likewise.
14570 (ggc_pop_context_1): New.
14571 (debug_ggc_tree): New.
14572 (debug_ggc_balance, tally_leaves): New.
14573 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
14574 (ggc_mark_string_if_gcable): Remove decl.
14575 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
14576 (ggc_mark_rtvec_children): New.
14577 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
14578 (ggc_mark_if_gcable): New decl.
14579 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
14580 (ggc_alloc_tree, ggc_alloc): Likewise.
14581 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
14582 (ggc_alloc_obj): New decl.
14583 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
14584 (ggc_alloc_tree, ggc_alloc): Likewise.
14585 (ggc_set_mark): New decl.
14586 * rtl.h (struct rtx_def): Remove gc_mark.
14587 (struct rtvec_def): Likewise.
14588 * tree.h (struct tree_common): Likewise.
14590 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
14592 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
14593 float_format and thread_file definitions.
14594 * configure: Rebuilt.
14596 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
14598 * extend.texi (Function Names): Document types of function names.
14600 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14602 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
14603 an earlyclobbered output conflict with RELOAD_INPUT reloads.
14605 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14607 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
14609 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14611 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
14613 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
14615 * collect2.c (main): Do prelimnary link on AIX if rflag.
14617 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14619 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
14620 __CTOR_LIST__ in opposite order, which is the correct order for sorted
14622 (__do_global_dtors): similarly for __DTOR_LIST__.
14624 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14625 Diego Novillo <dnovillo@cygnus.com>
14627 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
14630 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
14632 * fixincl/*: Merged "no_bogosity" branch
14633 * fixincl/fixlib.h: protect against doubly defining t_bool
14634 * fixincl/server.h: protect against doubly defining t_bool
14636 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
14638 * genoutput.c: Include toplev.h.
14640 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
14642 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
14644 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
14645 * configure: Regenerate.
14647 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
14649 * gcse.c (delete_null_pointer_checks): Returns void.
14651 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14653 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
14654 * emit-rtl.c (copy_insn_1): Likewise.
14656 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
14658 * config/mips/mips.c (mips_build_va_list): Correct
14659 TREE_CHAIN setting when hard-float.
14660 (mips_va_start): Use corrected setting.
14661 (mips_va_arg): Likewise. Also pass a tree to build of
14662 POSTINCREMENT_EXPR rather than a naked 'int'.
14664 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
14666 * ggc.h (ggc_push_context): Fix comment.
14667 (ggc_pop_context): Likewise.
14668 (mark_string_if_gcable): Likewise.
14669 * ggc-common.c (ggc_mark_rtx_children): Use
14670 ggc_mark_string_if_gcable.
14671 * ggc-page.c (ggc_lookup_page_table): New function.
14672 (ggc_allocated_p): Likewise.
14673 (mark_obj): Fix formatting.
14674 (ggc_mark_string_if_gcable): New function.
14675 * ggc-simple.c (ggc_allocated_strings): New variable.
14676 (ggc_strings_used): Likewise.
14677 (ggc_compare_addresses): New function.
14678 (ggc_pop_context): Pop the `any' memory too.
14679 (ggc_mark_string_if_gcable): New function.
14680 (ggc_collect): Initialize and tear down ggc_allocated_strings.
14682 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
14684 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
14685 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
14686 * rs6000.c (expand_block_move): Match movstrsi_?reg register
14689 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
14691 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
14692 (sched_reg_live_length, sched_reg_basic_block): Delete.
14693 (current_block_num, bb_live_regs, old_live_regs): Delete.
14694 (dead_notes, struct sometimes): Delete.
14695 (sched_note_set, birthing_insn_p): Delete.
14696 (adjust_priority): Gut useless reg lifetime code.
14697 (create_reg_dead_note, attach_deaths): Delete.
14698 (attach_deaths_insn, new_sometimes_live): Delete.
14699 (finish_sometimes_live): Delete.
14700 (find_pre_sched_live, find_post_sched_live): Delete.
14701 (update_reg_usage): Delete.
14702 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
14703 (schedule_insns): Delete reg lifetime code.
14704 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
14705 (unlink_other_notes): Adjust REG_NOTE commentary.
14706 (reemit_notes): Use REG_SAVE_NOTE.
14707 (schedule_block): Likewise.
14708 (schedule_region): Allocate bitmap of blocks in region. Use
14709 count_or_remove_death_notes. Use update_life_info.
14711 * rtl.h (REG_SAVE_NOTE): New.
14712 * rtl.c (reg_note_name): Update.
14714 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
14716 * combine.c (refresh_blocks, need_refresh): New.
14717 (combine_instructions): Allocate refresh_blocks. Invoke
14718 update_life_info if needed.
14719 (distribute_notes): Mark refresh_blocks instead of installing
14721 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
14722 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
14724 * Makefile.in (recog.o): Depend on basic-block.h.
14726 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
14728 * genrecog.c (add_to_sequence): Thinko last change: delete
14729 shadowing allow_const_int variable.
14731 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14733 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
14734 __GNUC__ and __GNUC_MINOR__.
14736 * gansidecl.h: Likewise.
14742 * toplev.h: Likewise.
14744 * tree.c: Likewise.
14746 * tree.h: Likewise.
14748 * varray.c: Likewise.
14750 * varray.h: Likewise.
14752 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14754 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
14755 use one before a jump table.
14757 * rtl.def (ADDRESS): Change documentation to match reality.
14758 * md.texi: Don't document it.
14759 * gmicro.md (load address pattern): Use 'p' constraint, delete use
14762 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
14764 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
14766 * genrecog.c (add_to_sequence): Move allow_const_int test outside
14767 known predicate block; default allow_const_int true.
14768 (debug_decision_list): New.
14770 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
14772 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
14774 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
14776 * gcse.c (gcse_main): Avoid global optimizations if we have a
14777 large number of basic blocks and the ratio of edges to blocks
14779 (delete_null_pointer_checks): Likewise.
14781 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
14783 * c-common.c (check_format_info): Warn if format string isn't a
14786 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14788 * configure.in (arm*-*-*): Don't let autoconf remove brackets
14789 * configure: regenerate
14791 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
14793 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
14794 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
14795 (peepholes): Re-enable.
14797 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
14799 * Makefile.in (flow.o): Depend on TREE_H.
14800 * basic-block.h (REG_SET_EQUAL_P): New.
14801 (XOR_REG_SET): New.
14802 (n_edges): Declare.
14803 (free_regset_vector): Remove declaration.
14804 (flow_delete_insn_chain): Declare.
14805 (enum update_life_extent): New.
14806 (update_life_info, count_or_remove_death_notes): Declare.
14807 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
14808 Verify register live at bb->global_live_at_start before adding USE.
14809 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
14810 (CLEAN_ALLOCA): New.
14812 (PROP_*): New flags.
14813 (find_basic_blocks_1): Use alloc_EXPR_LIST.
14814 (clear_edges): Zero n_edges.
14815 (make_edge): Increment n_edges.
14816 (split_edge): Don't allocate bb->local_set. Increment n_edges.
14817 (flow_delete_insn_chain): Export.
14818 (delete_block): Decrement n_edges.
14819 (merge_blocks_nomove): Likewise.
14820 (life_analysis): Give life_analysis_1 PROP flags.
14821 (verify_wide_reg_1, verify_wide_reg): New.
14822 (verify_local_live_at_start): New.
14823 (update_life_info): Rewrite to call into propogate_block.
14825 (mark_regs_live_at_end): After reload, if epilogue as rtl,
14826 always mark stack pointer. Conditionally mark PIC register.
14827 After reload, mark call-saved registers, return regsiters.
14828 (life_analysis_1): Accept PROP flags not remove_dead_code.
14829 Call mark_regs_live_at_end before zeroing regs_ever_live.
14830 Use calculate_global_regs_live. Copy global_live_at_end before
14831 calling final propagate_block. Zero reg_next_use on exit.
14832 (calculate_global_regs_live): New.
14833 (allocate_bb_life_data): Don't allocate bb->local_set.
14834 (init_regset_vector, free_regset_vector): Remove.
14835 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
14836 Test flags before every operation. Warn if prologue/epilogue insn
14837 would have been deleted.
14838 (mark_set_regs, mark_set_1): Accept and use FLAGS.
14839 Use alloc_EXPR_LIST.
14840 (mark_used_regs): Accept and use FLAGS, not FINAL.
14841 Remove special handling for RETURN.
14842 (try_pre_increment): Use alloc_EXPR_LIST.
14843 (dump_flow_info): Dump n_edges.
14844 (unlink_insn_chain, split_hard_reg_notes): Remove.
14845 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
14846 (find_insn_with_note, new_insn_dead_notes): Remove.
14847 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
14848 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
14849 (replace_insns): Remove.
14850 (count_or_remove_death_notes): New.
14851 (verify_flow_info): Abort on error after all checks.
14852 (remove_edge): Decrement n_edges.
14853 (remove_fake_edges): Tweek format.
14854 * haifa-sched.c (schedule_insns): Use split_all_insns.
14855 * output.h (update_life_info): Remove declaration.
14856 * recog.c (split_all_insns): From the corpse of split_block_insns,
14857 do the whole function block by block. Use update_life_info.
14858 (recog_last_allowed_insn): New.
14859 (recog_next_insn): Mind it.
14860 (peephole2_optimize): Set it. Walk backwards through blocks.
14861 Use update_life_info.
14862 * rtl.h (update_flow_info, replace_insns): Remove declarations.
14863 (split_all_insns): Declare.
14864 * toplev.c (rest_of_compilation): Thread prologue before flow2.
14865 Use split_all_insns.
14867 * i386.md (or -1 peep2s): Disable.
14869 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
14871 * config/mips/mips.md (movstrsi+[123]) : Combine these into
14872 a single pattern. Scrap the 'd' versions as unnecessary.
14874 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
14875 tablejump_mips162,tablejump_internal4): The operands to a
14876 label_ref must be VOIDmode.
14878 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14880 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
14882 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
14884 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
14886 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
14888 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
14889 cache every function if ggc_p.
14891 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14893 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
14894 instead of copy_rtx. Accept sequences that contain asm statements.
14895 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
14896 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
14897 orig_asm_operands_vector, copy_asm_operands_vector,
14898 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
14900 * rtl.h (copy_insn, copy_insn_1): Declare.
14902 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14904 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
14906 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
14907 arguments to `current_file_function_operand'.
14909 * genrecog.c: Include hard-reg-set.h and resource.h in the
14910 generated output file.
14912 * real.c: Include tm_p.h.
14914 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14916 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
14919 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
14921 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
14922 before the fctiwz insn.
14924 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14925 Mark Mitchell <mark@codesourcery.com>
14927 * tree.c (make_lang_type_fn): New funtion pointer.
14928 (make_lang_type): Call it.
14929 * tree.h (make_lang_type): Declare.
14930 (make_lang_type_fn): Likewise.
14931 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
14933 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
14935 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
14936 make sure that HIGH instructions are copied into BASE_REGS.
14938 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
14940 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
14942 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
14944 * c-decl.c (finish_struct): Use simpler method of
14945 removing elements of a singly-linked list.
14947 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
14949 * alpha.md (peephole2's): Comment out peephole2's that generate
14952 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
14954 * genrecog.c (add_to_sequence): Disable mode check for
14957 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14959 * ggc-simple.c (init_ggc): Set empty_string.
14961 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
14963 * configure.in: Detect mmap. Add --with-gc=foo to select
14964 garbage collector; default to page if mmap available.
14965 * Makefile.in (GGC): Substitute.
14967 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
14969 * c-decl.c (ggc_p): Enable.
14971 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14973 * flow.c (verify_flow_info): Make it extern & unconditionally define.
14975 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
14977 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
14978 string for little-endian-data.
14980 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
14982 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
14983 case somebody tries to compile --enable-checking code with gcc
14986 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
14988 * genrecog.c (add_to_sequence): Verify operand to label_ref is
14991 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
14993 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
14994 * jump.c (jump_optimize_1): Document why.
14996 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14998 * collect2.c (scan_prog_file, scan_libraries): Prototype function
14999 pointers and casts for `int_handler' and `quit_handler'.
15001 * flow.c (verify_flow_info, split_hard_reg_notes,
15002 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
15003 remove_edge, remove_fake_successors): Add static prototypes.
15004 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
15005 (mark_set_1): Initialize variable `regno'.
15006 (unlink_insn_chain): Likewise for variable `curr'.
15007 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
15009 * loop.c (strength_reduce): Initialize variable
15010 `unrolled_insn_copies'.
15011 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
15012 prototypes. Change these functions to take const PTR parameters
15013 to avoid prototype conflict when used as the comparson argument
15015 (check_dbra_loop): Initialize variable `comparison_val'.
15017 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
15018 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
15019 (find_valid_class): Initialize variable `best_class'.
15020 (find_reloads): Call memcpy, not bcopy.
15022 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
15023 (hard_reg_use_compare): Don't needlessly cast away const.
15024 (reload_reg_class_lower): Likewise.
15025 (choose_reload_regs): Initialize variable `regno'.
15027 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
15029 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
15031 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
15033 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
15034 ({,d}discard): Add forward declarations. Declare parameter as
15036 (main_without_main): Explicitly declare return type to be int.
15037 (memcpy): Properly declare.
15039 * libgcc2.c (toplevel): If inhibit_libc is defined and not
15040 building the trampoline support, declare malloc, free, and
15042 (__clear_cache): Mark arguments as potentially unused.
15044 * frame.c (toplevel): If inhibit_libc is defined, declare
15047 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
15049 * flow.c (make_edge): Accept an optional 2D bitmap in which
15050 to cache edge existence. Update all callers.
15051 (make_label_edge, make_eh_edge): Pass through the edge cache.
15052 (make_edges): Provide the cache.
15054 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15056 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
15058 (local_mbtowc): Change the type of variable `i' from int to size_t.
15060 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
15061 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
15063 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
15065 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
15066 after other includes that define the appropriate types. Include
15067 tm_p.h for getting user prototypes.
15068 * ggc-callbacks.c (toplevel): Ditto.
15069 * ggc-none.c (toplevel): Ditto.
15070 * gcc-page.c (toplevel): Ditto.
15071 * ggc-simple.c (toplevel): Ditto.
15073 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
15074 Jonathan Larmour <jlarmour@cygnus.co.uk>
15076 * config/mips/mips.c (mips_move_2words): Split doubles if
15077 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
15079 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
15081 * genrecog.c (struct decision_test): New.
15082 (struct decision): Remove test-related members, sort the rest by size.
15083 (IS_SPLIT): Simplify.
15084 (new_decision, new_decision_test): New.
15085 (add_to_sequence): Use them. No special handling for args of
15087 (maybe_both_true): Renamed from not_both_true; return sense changed.
15088 (maybe_both_true_1, maybe_both_true_2): New. Broken out
15089 of maybe_both_true and adjusted for decision_test.
15090 (position_merit): Remove.
15091 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
15092 (merge_accept_insn): New, broken out of merge_trees.
15093 (merge_trees): Use them. No special case for c_test; no node
15094 splitting; use test type instead of position_merit.
15095 (factor_tests): New.
15096 (simplify_tests): New.
15097 (break_out_subroutines): Don't write code now.
15098 (find_afterward): New.
15099 (write_afterward, write_switch, write_cond): New.
15100 (write_action, is_unconditional): New.
15101 (write_node): New. Use them.
15102 (write_tree_1): Rewrite. Use the new functions above.
15103 (write_tree): Remove afterward processing.
15104 (write_subroutine): Simplify function variant emission.
15105 (write_subroutines): New.
15106 (same_codes, clear_codes): Remove.
15107 (same_modes, clear_modes): Remove.
15108 (write_header): New, broken out of main.
15109 (make_insn_sequence): Use new_decision and new_decision_test.
15110 (process_tree): New, broken out of main.
15111 (main): Adjust for merge_trees interface change.
15112 Don't #define operands in the output file.
15113 (record_insn_name): New, broken out of make_insn_sequence.
15114 (debug_decision_2, debug_decision_1, debug_decision_0): New.
15115 (debug_decision): New.
15117 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
15119 * resource.c (find_free_register): Mark class_str argument const.
15120 * resource.h: Update prototype to match.
15122 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
15123 * i386.md: Give all anonymous insns names.
15125 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
15127 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
15130 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
15132 * toplev.c (dbr_sched_time): Unconditional.
15133 (peephole2_time): New.
15134 (compile_file): Add pass numbers to all of the dump file suffixes.
15135 Dump peephole2_time. Don't dump times for non-applicable passes.
15136 (rest_of_compilation): Add pass numbers to dump file suffixes.
15137 Conditionalize calls to the scheduler.
15138 * invoke.texi: Update.
15140 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
15142 * flow.c (make_edges): Fix insn iteration.
15143 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
15144 (find_basic_blocks_1): Fix spelling mistake.
15146 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
15148 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
15149 always have side-effects. Use memset not bzero.
15150 (make_node): Likewise.
15152 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
15154 * stmt.c (expand_anon_union_decl): When any of the elements of the
15155 union is addressable, so is the entire union.
15157 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
15159 * sbitmap.c (sbitmap_ones): Don't set too many bits.
15161 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
15162 * bitmap.c (bitmap_operation): Return true iff TO changed.
15163 (bitmap_equal_p): New.
15164 (bitmap_bit_p): Tidy arithmetic.
15165 (debug_bitmap_file): Likewise.
15167 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
15169 * toplev.c (rest_of_compilation): Turn on cse_not_expected
15170 before cse2 instead of after.
15172 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
15174 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
15177 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15179 * cppinit.c (is_idchar initializer): Loosen tests to accept
15182 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
15184 * mips.md: Define conditional move patterns for floating point
15185 operands and DI mode conditions.
15187 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
15189 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
15190 always have side-effects.
15192 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
15194 * mn10200.c (asm_file_start): Fix typo.
15196 * cppinit.c (is_idchar initializer): Tighten tests for when
15197 to put the table into initialized memory.
15199 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
15200 not an array of rtunion.
15201 * gcc-page.c (ggc_alloc_rtvec): Similarly.
15202 * gcc-simple (ggc_free_rtvec): Similarly.
15204 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
15207 * mbchar.h: Add missing #endif.
15209 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
15210 (FPBIT, DPBIT): Define.
15212 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15214 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
15216 * profile.c (instrument_arcs, output_gcov_string,
15217 tablejump_entry_p): Add static prototypes.
15218 (output_gcov_string): Constify a char*.
15220 * regmove.c (replacement_quality, fixup_match_2): Add static
15223 * resource.h (reg_dead_p): Add extern prototype.
15225 * rtl.c (trim_filename): Add static prototype.
15227 * scan-decls.c (skip_to_closing_brace): Likewise.
15229 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
15230 (expand_end_case): Initialize variable `range'.
15231 (emit_case_nodes): Remove unused prototype `rtx_fn'.
15233 * varasm.c (asm_emit_uninitialised): Add static prototype.
15234 (asm_emit_uninitialised, assemble_variable): Mark parameter with
15237 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15239 * cpplib.c (if_directive_nameo): Add static prototype.
15241 * cse.c (cse_insn): Remove unused variable `p'.
15243 * except.c (create_rethrow_ref, push_entry,
15244 receive_exception_label, new_eh_region_entry, find_func_region,
15245 clear_function_eh_region, process_nestinfo): Add static prototypes.
15246 (get_reg_for_handler): Hide definition.
15247 (process_nestinfo): Initialize variable `extra_handlers'.
15249 * expr.h (expand_builtin_longjmp): Add extern prototype.
15251 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
15253 * function.c (prepare_function_start): Likewise.
15254 (pop_function_context_from): Mark parameter `context' with
15256 (push_temp_slots_for_block, flush_addressof): Hide definition.
15258 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
15259 solve_program_flow_graph, calculate_branch_probs,
15260 function_summary, main, fancy_abort): Add prototypes.
15262 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
15263 (add_hash): Constify a char*.
15265 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
15266 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
15267 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
15269 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
15271 * lists.c (free_list, zap_lists): Likewise.
15273 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15275 * alias.c (nonlocal_reference_p): Add static prototype.
15277 * bitmap.c (bitmap_element_allocate): Prototype args in function
15280 * builtins.c (stabilize_va_list): Add static prototype.
15281 (expand_builtin_va_arg): Constify a char*.
15283 * c-lex.c (getch, put_back, extend_token_buffer_to,
15284 read_line_number, token_getch, token_put_back): Add static
15287 * c-parse.gperf (hash, is_reserved_word): Likewise.
15289 * cccp.c (is_dir_separator): Likewise.
15291 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15293 * graph.h: New file to prototype functions exported by graph.c.
15295 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
15297 * graph.c: Include graph.h.
15299 * toplev.c: Likewise. Remove redundant prototypes.
15301 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
15303 * invoke.texi: Removed duplicated description for -Q.
15305 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
15307 * extend.texi: Grammar fix in __extension__ text.
15309 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
15311 * md.texi (define_peephole2): New section.
15313 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
15315 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
15316 (mov $-1 to or peepholer): Enable for pentium when optimizing for
15319 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
15321 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
15323 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
15325 * i386.md (ffs expander): Emit Pentium friendly code for
15328 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
15330 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
15332 (build1): Likewise.
15334 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15336 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
15338 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
15340 * config/m68k/m68k.c (use_return_insn): Return false if the pic
15341 register is in use.
15343 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15345 * md.texi (No Constraints): Delete section.
15346 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
15347 * final.c (final_scan_insn): We always have register constraints.
15348 * genattrtab.c: Don't include "insn-config.h".
15349 (write_attr_case): We always have register constraints.
15350 * genconfig.c (register_constraint_flag): Delete.
15351 (walk_insn_part): Don't check whether we have register constraints.
15352 (main): Don't write out "#define REGISTER_CONSTRAINTS".
15353 * genoutput.c (have_constraints): Delete.
15354 (main): Don't set it.
15355 (output_operand_data): We always have constraints.
15356 (scan_operands): Likewise.
15357 (compare_operands): Likewise.
15358 * local-alloc.c (block_alloc): We always have constraints.
15359 (requires_inout): Always compile this function.
15360 * recog.c (extract_insn): We always have constraints.
15361 (constrain_operands, reg_fits_class_p): Always compile these
15363 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
15365 (struct insn_operand_data): Likewise.
15366 * regclass.c (regclass): We always have constraints.
15367 (record_reg_classes, copy_cost, record_address_regs,
15368 auto_inc_dec_reg_p): Always compile these functions.
15369 * regmove.c (regmove_optimize): We always have constraints.
15370 * reload.c (find_reloads): Likewise.
15371 * reload1.c (reload): Likewise.
15372 (reload_cse_simplify_operands): Likewise.
15373 * i860.c (output_delay_insn): Likewise.
15375 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
15377 * iris6.h (BUILD_VA_LIST_TYPE): Define.
15379 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15381 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
15382 for the va_list record.
15384 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
15386 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
15389 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
15391 * alias.c: Include insn-flags.h.
15392 * Makefile.in (alias.o): Update.
15394 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
15396 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
15397 to LTU and GEU. Handle more cases using sbb.
15399 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
15401 * i386.md (truncatexfdf splitters): Do not use subreg.
15402 (fop XFmode patterns): Fix mode in operand testing.
15404 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
15406 * jump.c (jump_optimize_1): Amend last change to test only the
15407 form of the operand, not the insn.
15409 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
15410 not register_operand to determine when B may need preloading.
15412 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
15414 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
15415 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
15416 (call-value patterns): Move to end of file.
15417 (*): Remove mode from label_ref in (pc) context.
15418 (movstrqi): Use memory not general_operand for BLKmode operands.
15419 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
15420 to register_operand operands.
15421 (peep2 patterns): Convert from commented-out peephole patterns.
15423 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15425 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
15426 to BUILT_IN_INIT_DWARF_REG_SIZES.
15427 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
15428 Renamed from BUILT_IN_DWARF_REG_SIZE; call
15429 expand_builtin_init_dwarf_reg_sizes.
15430 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
15431 with __builtin_init_dwarf_reg_size_table.
15432 * dwarf2out.c (struct reg_size_range): Delete.
15433 (expand_builtin_init_dwarf_reg_sizes): New function.
15434 (expand_builtin_dwarf_reg_size): Delete.
15435 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
15436 (expand_builtin_dwarf_reg_size): Don't declare.
15437 * libgcc2.c (dwarf_reg_size_table_initialized): New.
15438 (dwarf_reg_size_table): New.
15439 (init_reg_size_table): New function.
15440 (copy_reg): Use dwarf_reg_size_table.
15441 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
15444 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
15446 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
15447 Correctly build argument list to constructor and destructor functions.
15449 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
15451 * c-tree.h (warn_float_equal): Declare.
15452 * c-decl.c (warn_float_equal): Define.
15453 (c_decode_option): Recognize -W[no-]float-equal.
15454 * c-typeck.c (build_binary_op): Conditionally warn
15455 about equality tests of floating point types.
15456 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
15457 * invoke.texi: Add docs for -Wfloat-equal warning.
15459 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
15461 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
15462 generating RTL directly.
15463 * mips.h (INIT_TARGET_OPTABS): Likewise.
15464 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
15466 * expr.h (init_mov_optab): Delete declaration
15468 * h8300.c (WORD_REG_USED): Update to avoid useless register
15469 saves in interrupt functions and functions which never return.
15471 * cse.c (struct set): Delete inner_dest_loc field.
15472 (cse_insn): Remove assignments to inner_dest_loc field.
15474 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
15476 * ggc-page.c: Don't include <unistd.h> etc taken care of
15477 by "system.h". Include <sys/mman.h> afterward.
15479 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
15481 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
15484 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
15486 * xcoffout.c (xcoffout_declare_function): Add documentation.
15487 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
15488 TARGET_64BIT. Compare constant to -1, not bit pattern.
15489 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
15490 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
15493 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
15495 * dwarf2out.c (add_abstract_origin_attribute): Abort if
15496 origin_die is NULL.
15497 (gen_inlined_enumeration_type_die): Do not abort if the type has
15498 not been writeen out.
15499 (gen_inlined_structure_type_die): Do not abort if the type has
15500 not been writeen out.
15501 (gen_inlined_union_type_die): Do not abort if the type has
15502 not been writeen out.
15503 (gen_tagged_type_instantiation_die): Do not abort if the type
15504 has not been written out.
15506 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15508 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
15510 * reg-stack.c (straighten_stack): Copy hard reg set with
15513 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
15515 * builtins.c (stabilize_va_list): Stabilize array type va_list
15516 to a pointer type, not the base record type.
15517 (expand_builtin_va_copy): Dereference the pointers explicitly;
15518 use the correct size for the copy.
15520 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
15521 (rs6000_va_arg): Likewise.
15523 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
15525 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
15527 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
15529 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
15531 (DECL_BUILT_IN_CLASS): Adjust accordingly.
15533 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
15535 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
15536 (init_ggc): Use it instead of a constant.
15537 (ggc_collect): Bound allocated_last_gc by it.
15539 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
15541 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
15544 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
15546 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
15547 (mips*-*-openbsd*): Let big endian configuration be a fragment.
15548 * configure: Regen.
15549 * config/mips/openbsd.h: New, OpenBSD little endian target.
15550 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
15551 * config/mips/xm-openbsd.h: New, OpenBSD host.
15553 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
15555 * config/m68k/m68k.c (output_function_prologue,
15556 output_function_epilogue): Use
15557 current_function_uses_pic_offset_table instead of regs_ever_live
15558 to decide whether to save/restore pic register.
15559 (legitimize_pic_address): Don't modify regs_ever_live any more.
15561 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
15563 * function.h (struct function): Add x_dont_save_pending_sizes_p.
15564 * stor-layout.c (variable_size): Don't add sizes to the pending
15565 sizes list if x_dont_save_pending_sizes_p is set.
15567 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
15569 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
15570 for symbolic_operand().
15571 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
15573 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15575 * combine.c (gen_rtx_combine): Add missing call to va_end().
15577 * final.c (asm_fprintf): Likewise.
15579 * genattrtab.c (attr_rtx): Likewise.
15581 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
15583 * cse.c: Update comments.
15584 (cse_insn): When converting a conditional/computed jump into
15585 an unconditional jump, always make sure a BARRIER immediately
15586 follows the converted jump. Do not delete unreachable code.
15587 (cse_basic_block): Do not delete unreachable code.
15588 * toplev.c (rest_of_compilation): Move call to
15589 delete_trivially_dead_insns after the conditional call to
15592 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15594 * collect2.c (make_temp_file): Don't prototype.
15596 * gcc.c (make_temp_file): Likewise.
15598 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
15600 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
15602 * varasm.c (asm_emit_uninitialised): New function: Generate
15603 the assembler statements necessary to declare an uninitialised
15605 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
15607 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
15608 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
15610 (assemble_variable): Use asm_emit_uninitialised to emit an
15611 uninitialised variable.
15613 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
15615 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
15616 constant on a 64 bit host. Patch supplied by Geoffrey Keating
15617 <geoffk@cygnus.com>.
15619 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15621 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
15622 * c-common.h (builtin_function): Don't declare.
15624 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
15626 (pushdecl): Likewise.
15627 (finish_decl): Likewise.
15628 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
15629 int. All callers changed.
15630 Set the builtin's DECL_BUILT_IN_CLASS.
15631 * tree.h (enum built_in_class): New.
15632 (enum built_in_function): Delete NOT_BUILT_IN.
15633 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
15635 (DECL_SET_FUNCTION_CODE): Likewise.
15636 (DECL_BUILT_IN_CLASS): New macro.
15637 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
15638 (struct tree_decl): Split builtin function code field into a
15640 (builtin_function): Declare.
15642 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
15644 * optabs.c (init_traps): Fix typo in last change.
15646 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
15648 * toplev.c (rest_of_decl_compilation): Update comment.
15650 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15652 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
15653 in .sbss if appropriate.
15654 (EXTRA_SECTION_FUNCTIONS): Add sbss.
15655 (SBSS_SECTION_ASM_OP): New macro.
15656 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
15657 (EXTRA_SECTIONS): Add in_sbss.
15658 * config/mips/mips.h: Prototype sbss_section.
15660 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
15662 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
15665 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
15667 * optabs.c (init_traps): Register trap_rtx as a GC root.
15669 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15671 * config/mips/mips.c (function_arg_pass_by_reference): Define
15672 unconditionally, since it's called unconditionally.
15674 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
15676 * toplev.c (documented_lang_options): Add -fshort-wchar.
15677 * c-decl.c (c_decode_option): Likewise.
15678 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
15680 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
15681 * gcc.c (default_compilers): If -fshort-wchar,
15682 override __WCHAR_TYPE__.
15683 * tm.texi (C Dialect Options): Add -fshort-wchar.
15685 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
15686 symbol for a variable.
15688 * cpplib.h (CPP_PREPROCESSED): New macro.
15689 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
15690 we're seeing this input for a second time.
15692 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
15694 * emit-rtl.c (init_emit_once): Initialize modes first.
15696 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
15698 * config/i386/i386.c (pic_label_name): Change to char pointer.
15699 (global_offset_table): New variable.
15700 (load_pic_register): Fill global_offset_table if it hasn't
15701 already been done. Allocate pic_label_name dynamically.
15702 * ggc.h (empty_string): New variable.
15703 * ggc-simple.c (empty_string): Likewise.
15704 (init_ggc): Allocate empty_string and add as root.
15705 * stmt.c (digit_strings): New variable.
15706 (init_stmt): Add last_block_end_note as root. Allocate and
15707 initialize digit_strings.
15708 (expand_asm_operands): Use empty_string instead of string
15709 constant. Use digit_strings instead of string constants.
15710 * profile.c (init_arc_profiler): Allocate string with
15711 ggc_alloc_string instead of xmalloc.
15712 (output_func_start_profiler): Likewise.
15713 * c-typeck.c (digest_init): Check if init is error_mark_node.
15715 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
15716 Richard Henderson <rth@cygnus.com>
15718 * ggc-page.c: New file.
15719 * Makefile.in (ggc-page.o): New.
15721 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
15723 * invoke.texi: Document -fdelete-null-pointer-checks
15724 * toplev.c (flag_delete_null_pointer_checks): New.
15725 (f_options): Add entry for -fdelete-null-pointer-checks.
15726 (rest_of_compilation): Conditionalize null pointer check
15727 elimination on flag_delete_null_pointer_checks.
15728 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
15730 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
15732 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
15733 copyright notice and special exception to GPL.
15735 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15737 * abi64.h (mips_function_value): Add prototype arguments.
15739 * mips-protos.h: New file with mips prototypes.
15741 * mips.c: Include "tm_p.h".
15742 (mktemp, lookup_name): Add prototype arguments.
15743 (extern_list, string_constant, mips_fill_delay_slot,
15744 mips_output_external, mips_output_external_libcall,
15745 mips_output_filename, mips_declare_object, function_prologue,
15746 mips_expand_prologue, function_epilogue, mips16_constant,
15747 build_mips16_function_stub, mips_output_conditional_branch):
15749 (mips_va_start): Remove unused variable `u'.
15750 (mips_va_arg): Cast value to unsigned when comparing against one.
15752 (save_restore_insns, mips_expand_prologue): Add missing arg in
15753 call to `large_int'.
15755 * mips.h: Move prototypes to mips-protos.h.
15756 (data_section, memory_address_p, rdata_section,
15757 readonly_data_section, simple_epilogue_p, text_section): Delete
15758 prototypes delcared elsewhere.
15759 (mips_epilogue_delay_slots, print_options): Delete unused decls.
15761 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
15763 * mips.md: Delete extra args in call to `mips_move_2words'.
15765 * xm-iris6.h (alloca): Add prototype argument.
15767 * genpeep.c: Include "tm_p.h" in generated output file.
15769 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15771 * basic-block.h (find_edge_index): Change parameters.
15772 * flow.c (verify_edge_list): Pass basic_block parameters to
15773 find_edge_index instead of integers.
15775 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
15777 * combine.c (simplify_comparison): Use an unsigned shift to adjust
15780 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
15782 * gcc.1: Fix a formatting error.
15784 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15786 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
15787 i786, mn10200, mn10300, pdp11, v850.
15789 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
15791 * libgcc2.c (num_digits): Add prototype with
15792 __attribute__((const)).
15793 (__terminate): Add prototype.
15795 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
15797 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
15799 * alpha/alpha.c (print_operand): Fix type of `code'.
15800 (alpha_output_filename): Constify.
15801 * alpha/alpha.h: Move all function declarations ...
15802 * alpha/alpha-protos.h: ... here. New file.
15803 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
15804 (SECTION_FUNCTION_TEMPLATE): Likewise.
15806 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15808 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
15809 * expr.c (expand_expr): Likewise.
15810 (do_jump): Likewise.
15811 (do_store_flag): Pass ccp_store_flag to can_compare_p.
15812 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
15814 (enum can_compare_purpose): New.
15815 (can_compare_p): Adjust prototype.
15816 (prepare_cmp_insn, prepare_operand): Declare.
15817 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
15818 * optabs.c (cmp_available_p): Deleted.
15819 (expand_abs): Pass ccp_jump to can_compare_p.
15820 (can_compare_p): New arg PURPOSE. Check for combined optabs.
15821 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
15822 Call can_compare_p rather than cmp_available_p.
15823 (prepare_operand): No longer static.
15824 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
15825 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
15826 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
15827 sequence to use emit_cmp_and_jump_insns.
15828 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
15830 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
15832 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
15833 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
15834 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
15835 (plus (reg) (const_int 0))
15836 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
15838 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
15840 * rs6000.c (expand_block_move): DImode loads and stores require
15841 word-aligned displacements. Increment address registers with
15842 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
15844 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
15846 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
15847 is no name for the base type, rather than segfault. If we are
15848 writing out a complex integer type, use DW_ATE_lo_user.
15850 * expr.c (emit_move_insn_1): If we are copying a complex that fits
15851 in one word or less (complex char, complex short, or on 64 bit
15852 systems complex float) to/from a hard register, copy it through
15853 memory instead of dying in gen_{real,imag}part. If we have a
15854 short complex type, prevent inlining since it allocates stack
15857 * tree.c (build_complex_type): If we are writing dwarf2 output,
15858 generate a name for complex integer types.
15860 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15862 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
15863 * flow.c (remove_edge): Remove extra whitespace.
15864 (remove_fake_edges): Fix comment.
15865 (add_noreturn_fake_exit_edges): Use the correct name.
15867 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
15869 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
15870 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
15871 (clean): Depend on INTL_CLEAN.
15872 (maintainer-clean): Adjust.
15874 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15876 * configure.in (AC_PREREQ): Bump to 2.13.
15877 (AC_C_STRINGIZE): Call this instead of using a custom macro.
15879 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
15881 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
15883 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
15885 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
15886 (HAVE_STRINGIZE): Define.
15888 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
15890 * c-parse.in: save and restore warn_pointer_arith on __extension__
15891 along with pedantic.
15892 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
15893 Set the type of extension to itype rather than $<itype>1 kludge.
15894 * extend.texi (Alternate Keywords): Adjust documentation.
15895 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
15897 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
15899 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
15900 most assembler templates.
15902 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
15903 FP loads and stores.
15904 (following_call): Always return zero for the PA8000.
15905 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
15906 FP loads and stores.
15907 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
15909 * pa.h (BRANCH_COST): Define.
15911 * pa.md (return, return_internal): Use bve for PA2.0.
15913 * pa.md (fused multiply): Add variants which reduce height for the
15914 fused multiply, but which still generate 2 insns.
15915 (fnegabs): Similarly.
15917 * pa.md (subsi3): Turn into an expander. Create two anonymous
15918 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
15919 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
15921 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
15923 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
15925 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
15926 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
15928 * regclass.c (init_regs): Add "top_of_stack" as a garbage
15931 * flow.c (record_active_eh_regions): Terminate loop after finding
15932 the last insn in the last basic block.
15934 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15936 * config/c4x/c4x.md: Delete parallel instruction peepholes.
15938 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15940 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
15942 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15944 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
15945 splitting to not use output template.
15947 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15949 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
15950 * config/c4x/c4x.c (c4x_va_start): New function.
15952 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
15954 * genrecog.c (not_both_true): Handle correctly cases when called for
15955 tests with different positions in the insn.
15957 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15959 * machmode.h (HOST_PTR_PRINTF): Move from here ...
15961 * system.h (HOST_PTR_PRINTF): ... to here.
15963 * mips-tfile.c: Don't include machmode.h.
15965 * Makefile.in (MACHMODE_H): New variable. Update to use it.
15966 (mips-tfile.o): Don't depend on machmode.h.
15968 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15970 * haifa-sched.c (sched_analyze): Rename local variable `region' to
15971 avoid conflicts with typedef struct `region' at the top level scope.
15973 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
15975 * basic-block.h (basic_block): Add eh_beg, eh_end.
15976 * flow.c (entry_exit_blocks): Update.
15977 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
15978 Call new functions.
15979 (find_basic_blocks_1): Don't record eh_list at each bb. Use
15980 lists.c functions to allocate insn lists.
15981 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
15983 (make_eh_edge): ... here. New.
15984 (move_stray_eh_region_notes): New.
15985 (record_active_eh_regions): New.
15986 (delete_unreachable_blocks): Split out block merging ...
15987 (try_merge_blocks): ... here. New.
15988 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
15989 Dump debugging data.
15990 (merge_blocks_move_successor_nojumps): Likewise.
15991 (merge_blocks): Use eh_beg+eh_end to validate block movement.
15993 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15995 * extend.texi (Bound member functions): Document unbound pmf
15998 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16000 * flow.c (split_edge): Handle insertion on a fallthrough edge which
16001 has the EXIT_BLOCK as a dest.
16003 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16005 * flow.c (remove_edge): New function to remove an edge from the
16007 (remove_fake_successors): New function to remove fake successor edges.
16008 (remove_fake_edges): New function to remove all fake edges from the
16010 (add_fake_exit_edges): New function to add fake edges from all blocks
16011 with no successors to the exit block.
16012 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
16013 prototypes for new functions.
16015 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16017 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
16018 Use Pmode to determine whether to output .dword or .word.
16020 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
16022 * tree.c (built_in_filename): New variable.
16023 (BUILT_IN_FILENAME): New macro.
16024 (init_tree_codes): Allocate built_in_filename.
16025 (make_node): Use built_in_filename instead of string constant.
16027 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
16029 * configure.in: Add fr30 target.
16030 * configure: Regenerate.
16031 * config/fr30: New directory.
16032 * config/fr30/crti.asm: New file.
16033 * config/fr30/fr30.c: New file.
16034 * config/fr30/crtn.asm: New file.
16035 * config/fr30/fr30.h: New file.
16036 * config/fr30/fr30.md: New file.
16037 * config/fr30/lib1funcs.asm: New file.
16038 * config/fr30/t-fr30: New file.
16039 * config/fr30/xm-fr30.h: New file.
16041 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
16043 * flow.c (merge_blocks_move_successor_nojumps): Delete the
16044 BARRIER at the end of the successor, not the BARRIER before
16047 * pa.c (pa_add_gc_roots): Fix thinko in last change.
16049 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
16051 * stmt.c (any_pending_cleanups): Don't crash when
16052 current_function->stmt is unset.
16054 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16056 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
16057 other initializations that may use it for relative offsets.
16059 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16061 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
16062 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
16063 * config/i386/sol2dbg.h: Removed.
16064 * config/i386/sol2gas.h: New file, to enable gas work-around.
16065 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
16066 Don't use sol2dbg.h.
16067 * configure: Rebuilt.
16069 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
16071 * invoke.texi (-fthis-is-variable): Remove documentation.
16073 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
16075 * basic-block.h (compute_bb_for_insn): Declare.
16076 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
16077 to use; set size of basic_block_for_insn directly.
16078 (find_basic_blocks): Update.
16080 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16082 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
16084 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16086 * crtstuff.c (ON_EXIT): Delete empty macro definition.
16087 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
16089 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
16091 * c-decl.c (c_decode_option): Extend comment.
16093 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
16095 * toplev.c (progname): Make 'const char *'
16096 (flag_print_mem): Move out of main.
16097 (version_flag): Move out of main.
16098 (filename): Move out of main.
16099 (debug_args): Remove g prefix from options.
16100 (documented_lang_options): Remove cpplib specific options.
16101 (display_help): Add g prefix to debug options.
16102 (check_lang_option): Delete this function.
16103 (decode_d_option): New function: Decode -d... option.
16104 (decode_f_option): New function: Decode -f... option.
16105 (decode_W_option): New function: Decode -W... option.
16106 (decode_g_option): New function: Decode -g... option.
16107 (independent_decode_option): New function: Decode a language
16108 independent command line option.
16109 (main): Invoke lang_decode_option and then
16110 independent_decode_option on each command line option in
16113 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
16115 Revert this change. Gavin's patch to operand_equal_p is a better fix.
16116 * fold-const.c (fold_range_test): Do not try to fold the range
16117 test if the rhs or lhs has side effects.
16119 * basic-block.h (compute_flow_dominators): Declare.
16121 * gcse.c (alloc_code_hoist_mem): New function.
16122 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
16123 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
16124 (hoist_code, one_code_hoisting_pass): Likewise.
16125 (gcse_main): If optimizing for size, then hoist expressions
16126 computed in multiple dominated basic blocks.
16128 * gcse.c (invalid_nonnull_info): New function.
16129 (delete_null_pointer_checks): Likewise.
16130 * rtl.h (delete_null_pointer_checks): Declare.
16131 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
16133 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
16134 (merge-blocks_move_successor_nojumps): Likewise.
16135 (merge_blocks): Allow merging of some blocks, even if it requires
16136 physical movement of the blocks, but not if it requires new jumps.
16138 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
16139 Callers and prototype changed.
16140 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
16142 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16144 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
16145 -YP when both -p and -pg are present. From i386/sol2.h.
16147 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16149 * Makefile.in (distclean): Delete tm_p.h.
16150 * configure.in: Create a new file, "tm_p.h", from a list in
16151 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
16152 "i386/i386-protos.h".
16154 * alias.c: Include "tm_p.h".
16155 * c-typeck.c: Likewise.
16156 * calls.c: Likewise.
16158 * emit-rtl.c: Likewise.
16159 * explow.c: Likewise.
16160 * expmed.c: Likewise.
16161 * expr.c: Likewise.
16162 * final.c: Likewise.
16163 * flow.c: Likewise.
16164 * fold-const.c: Likewise.
16165 * function.c: Likewise.
16166 * gcse.c: Likewise.
16167 * global.c: Likewise.
16168 * haifa-sched.c: Likewise.
16169 * integrate.c: Likewise.
16170 * jump.c: Likewise.
16171 * local-alloc.c: Likewise.
16172 * loop.c: Likewise.
16173 * optabs.c: Likewise.
16174 * recog.c: Likewise.
16175 * reg-stack.c: Likewise.
16176 * regclass.c: Likewise.
16177 * regmove.c: Likewise.
16178 * reload.c: Likewise.
16179 * reload1.c: Likewise.
16180 * reorg.c: Likewise.
16181 * resource.c: Likewise.
16182 * stmt.c: Likewise.
16183 * stor-layout.c: Likewise.
16184 * toplev.c: Likewise.
16185 * tree.c: Likewise.
16186 * unroll.c: Likewise.
16187 * genattrtab.c (main): Make generated file include "tm_p.h".
16188 * genemit.c (main): Likewise.
16189 * genoutput.c (main): Likewise.
16190 * genrecog.c (main): Likewise.
16192 * i386.h: Delete all prototypes.
16193 * i386.c: Include "tm_p.h".
16194 (ix86_attr_length_default): Call constant_call_address_operand
16195 with correct number of arguments.
16196 * i386-protos.h: New file.
16197 * i386.md (unnamed patterns): Call constant_call_address_operand
16198 with correct number of arguments.
16199 (exception_receiver): Call load_pic_register with correct number
16202 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
16204 * c-pragma.c (mark_align_stack): Dereference the void* properly.
16206 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
16208 * rtl.h (insns_safe_to_move_p): New function.
16209 * loop.c (find_and_verify_loops): Use it.
16210 * rtlanal.c (insns_safe_to_move_p): Define it.
16212 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
16214 * c-pragma.c: Include ggc.h.
16215 * Makefile.in (c-pragma.o): Update.
16217 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16219 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
16220 (LIB_SPEC): Likewise.
16221 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
16222 Reindent -YP/-p/-pg.
16223 Copied from config/sparc/sol2.h.
16225 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
16227 * c-pragma.c (mark_align_stack): New.
16228 (init_pragma): New.
16229 * c-pragma.h (init_pragma): Declare it.
16230 * c-lex.c (init_parse): Call it.
16232 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16234 * configure.in: Pick up thread library on Solaris/x86 just
16235 like on Solaris/sparc.
16236 * configure: Rebuilt.
16238 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
16240 * rtl.h (global_rtx_index): New enum.
16241 (global_rtl): Change to array of rtx.
16242 (pc_rtx, cc0_rtx): Redefine accordingly.
16243 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
16244 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
16245 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
16246 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
16247 (const_int_rtx): Change to array of rtx.
16248 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
16250 * emit-rtl.c (global_rtl): Change to array of rtx.
16251 (const_int_rtx): Change to aray of rtx.
16252 (gen_rtx_CONST_INT): Redefine accordingly.
16253 (init_emit_once): Allocate and initialize global_rtl. Likewise
16254 for const_int_rtx. Add both as GC roots.
16255 * genattrtab.c (global_rtl): Update declaration.
16257 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
16259 * Makefile (USER_H): Add iso646.h back.
16261 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
16263 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
16264 zapping the LOG_LINKS of sched_before_next_call.
16266 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
16267 * pa.c (insn_refs_are_delayed): Renamed from
16268 insn_sets_and_refs_are_delayed.
16270 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
16272 * functiion.h (struct function): Add x_whole_function_mode_p.
16273 (retrofit_block): Declare.
16274 * function.c (retrofit_block): New function.
16275 (identify_blocks): Add assertions. Allow an incomplete set of
16276 block notes if we're still generating code for the function.
16277 * integrate.c: Include loop.h.
16278 (expand_inline_function): Call find_loop_tree_blocks to map block
16279 notes to blocks when in whole-function mode. Use retrofit_block
16280 to insert new BLOCKs for the inlined function, rather than
16282 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
16283 * Makefile.in (integrate.o): Depend on loop.h.
16285 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
16287 * tree.h (warn_about_unused_variables): Declare.
16288 * stmt.c (warn_about_unused_variables): New function, split out
16290 (expand_end_bindings): Here.
16292 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
16294 * stmt.c (preserve_subexpressions_p): Don't crash when
16295 current_function->stmt is unset.
16297 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
16299 * stmt.c (expand_start_bindings): Allow callers to pass a flag
16300 indicating that no NOTE_INSN_BLOCK_BEG note is required.
16301 (expand_start_target_temps): Use it.
16302 * except.c (expand_eh_region_start_for_decl): Likewise.
16303 * expr.c (expand_expr): Likewise.
16305 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
16307 * fold-const.c (operand_equal_p): Pay attention to side effects.
16309 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
16311 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
16312 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
16314 * tlink.c (scan_linker_output): Look for keywords before accepting
16315 a mangled name in quotes.
16317 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
16319 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
16320 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
16322 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
16324 * alpha.md: Revert Thu Nov 26 change that came in through the
16325 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
16326 Avoid earlyclobber when possible.
16328 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16330 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
16332 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
16333 Define HAVE_ON_EXIT.
16335 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16337 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
16338 CTYPE_CONV in all ctype macros.
16340 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
16343 * cexp.y (initialize_random_junk): Likewise.
16345 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
16347 * i370.c (handle_pragma): Likewise.
16349 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
16351 * v850.c (override_options): Likewise.
16353 * doprint.c (_doprnt): Likewise.
16355 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
16358 * fixinc/server.c (load_data): Likewise.
16360 * fold-const.c (real_hex_to_f): Likewise.
16362 * genattr.c (write_upcase, gen_attr): Likewise.
16364 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
16365 write_upcase): Likewise.
16367 * genemit.c (print_code): Likewise.
16369 * genopinit.c (gen_insn): Likewise.
16371 * genpeep.c (print_code): Likewise.
16373 * genrecog.c (print_code): Likewise.
16375 * optabs.c (init_libfuncs): Likewise.
16377 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
16379 * haifa-sched.c (sched_analyze): Keep the list of notes organized
16381 (reemit_notes): Likewise.
16383 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
16385 * ggc.h (ggc_root): Move to ggc-common.c.
16387 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
16388 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
16389 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
16390 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
16391 * ggc-common.c (ggc_root): Move from ggc.h.
16392 (roots): Declare, static.
16393 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
16394 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
16395 null or check/set mark bit.
16396 (ggc_mark_roots): New.
16397 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
16399 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
16401 * m32r.c: Include toplev.h.
16402 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
16403 (gen_compare): Rename swap_p to must_swap to match uses.
16404 Add default abort case.
16405 (m32r_output_function_epilogue): Remove unused variables.
16406 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
16407 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
16408 define to empty parameter list. Update all uses.
16409 (predicate decls): Use enum machine_mode not int.
16410 * m32r.md (movsi): Call abort, not fatal_insn.
16411 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
16413 1999-09-14 Andrew Haley <aph@cygnus.com>
16415 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
16416 use $0 instead of 0.
16418 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16420 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
16421 computation out of loop over hard regs.
16423 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
16425 * function.c (identify_blocks): Don't shadow a variable in an
16427 * integrate.c (integrate_decl_tree): Don't use pushlevel,
16428 pushdecl, or poplevel to build up the new BLOCK tree.
16429 (expand_inline_function): Likewise.
16430 (integrate_parm_decls): Likewise.
16432 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
16434 * c-typeck.c (qualify_type): Merge qualifiers from both types.
16436 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
16438 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
16439 * invoke.texi: Document this change.
16441 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
16443 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
16445 (mark_emit_status): Renamed from mark_emit_state.
16446 * except.c (mark_eh_status): Renamed from mark_eh_state.
16447 Check not null before marking.
16448 (free_eh_status): New.
16449 * expr.c (mark_expr_status, free_expr_status): New.
16450 * function.c (free_machine_status): New.
16451 (free_after_parsing): New.
16452 (free_after_compilation): Move bits to free_after_parsing; call
16453 free_eh_status, free_expr_status; zero the marked members of the
16455 (prepare_function_start): No can_garbage_collect.
16456 Call init_eh_for_function.
16457 (expand_dummy_function_end): Free up current_function state.
16458 (mark_function_status): Renamed from mark_function_state.
16459 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
16460 * function.h (struct function): No can_garbage_collect.
16461 (free_machine_status, free_after_parsing): Declare.
16462 (free_eh_status, free_expr_status): Declare.
16463 * ggc.h (mark_expr_status): Declare.
16464 * stmt.c (free_stmt_status): Free the struct.
16465 (mark_stmt_status): Renamed from mark_stmt_state.
16466 (init_stmt): Don't call init_eh.
16467 (init_stmt_for_function): Don't call init_eh_for_function.
16468 * toplev.c (compile_file): Call init_eh.
16469 (rest_of_compilation): Free basic block info before ggc_collect.
16470 Call free_after_parsing; conditionally call free_after_compilation.
16471 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
16472 Check not null before marking.
16473 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
16475 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
16477 * c-lex.c (yylex): Initialize warn.
16479 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
16481 * pa.c (emit_move_sequence): Properly set the mode of the scratch
16482 register when performing secondary reloads for the SAR register.
16484 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
16486 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
16487 (NOTE_BLOCK): New macro.
16488 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
16489 * function.h (identify_blocks): Change prototype.
16490 * function.c (identify_blocks): Simplify.
16491 (reorder_blocks): Likewise.
16492 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
16493 NOTE_INSN_BLOCK_{BEG,END}.
16494 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
16495 the list of saved notes if the note isn't a
16496 NOTE_INSN_BLOCK_{BEG,END}.
16497 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
16499 (reemit_notes): Adjust recreation of notes to reflect new saved
16501 * print-rtl.c (print_rtx): Print the address of the BLOCK when
16502 printing a block note.
16503 * stmt.c (block_vector): Remove.
16504 (find_loop_tree_blocks): Simplify.
16505 (unroll_block_trees): Likewise.
16506 * tree.h (reorder_block): Change prototype.
16508 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
16510 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
16511 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
16512 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
16513 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
16514 (atexit, exit): Simplify.
16515 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
16516 * config/lots: Remove defns of HAVE_ATEXIT.
16518 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
16520 * calls.c (precompute_arguments): Fix typo in comment.
16521 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
16524 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
16526 * dsp16xx.c (override_options): Fix typos in GC root registration.
16528 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
16530 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
16531 from config/svr4.h.
16532 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
16533 (FUNCTION_PROFILER): Redefine appropriately for Linux.
16534 (CC1_SPEC): Likewise.
16536 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16538 * genattr.c (main): Add extern prototype. Call return, not exit.
16539 * genattrtab.c (main): Likewise.
16540 * gencheck.c (main): Likewise.
16541 * gencodes.c (main): Likewise.
16542 * genconfig.c (main): Likewise.
16543 * genemit.c (main): Likewise.
16544 * genextract.c (main): Likewise.
16545 * genflags.c (main): Likewise.
16546 * gengenrtl.c (main): Likewise.
16547 * genopinit.c (main): Likewise.
16548 * genoutput.c (main): Likewise.
16549 * genpeep.c (main): Likewise.
16550 * genrecog.c (main): Likewise.
16552 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
16553 * genattrtab.c (get_insn_name): Likewise.
16554 * gencodes.c (get_insn_name): Likewise.
16555 * genconfig.c (get_insn_name): Likewise.
16556 * genemit.c (get_insn_name): Likewise.
16557 * genextract.c (get_insn_name): Likewise.
16558 * genflags.c (get_insn_name): Likewise.
16559 * genopinit.c (get_insn_name): Likewise.
16560 * genpeep.c (get_insn_name): Likewise.
16562 * gencheck.c (usage): Add static prototype.
16563 * genextract.c (print_path): Constify a char*.
16564 * genopinit.c (optabs): Likewise.
16565 * genoutput.c (operand_data, data, output_predicate_decls,
16566 compare_operands): Likewise.
16567 * genrecog.c (write_tree): Add default case in switch.
16569 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16571 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
16573 * print-rtl.c (get_insn_name): Remove prototype.
16575 * toplev.h (progname): Declare const.
16577 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
16578 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
16579 dump_sched_info, dump_local_alloc, regset_release_memory,
16580 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
16581 error_with_file_and_line, error_with_decl, error_for_asm, error,
16582 fatal, warning_with_file_and_line, warning_with_decl, warning,
16583 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
16584 Remove redundant prototypes.
16586 (notice, check_lang_option, report_file_and_line, vnotice,
16587 mark_file_stack): Add static prototype.
16588 (set_fatal_function): Add prototype.
16589 (vnotice, report_file_and_line, set_fatal_function,
16590 check_lang_option): Constify a char*.
16591 (main): Prototype. Call return, not exit.
16593 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16595 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
16597 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
16599 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
16601 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
16603 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16605 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
16606 behave as if it's zero in all cases.
16607 (expand_function_start): Adjust call to assign_parms.
16608 * tree.h (assign_parms): Adjust prototype.
16609 * objc/objc-act.c (hack_method_prototype): Adjust call to
16612 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
16614 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
16615 arg_pointer_rtx fixed if the argument pointer register is
16617 (NONZERO_BASE_PLUS_P): Likewise.
16619 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
16621 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
16622 match_insn2 to match_insn.
16623 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
16625 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
16627 * Makefile.in (USER_H): Remove va-foo.h.
16629 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
16630 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
16631 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
16632 va-spur.h,va-v850.h}: Remove.
16634 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
16636 * sparc/sparc.md (eligible_for_return_delay): New attribute.
16637 (in_return_delay): Use it instead of match_insn.
16639 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16641 * config/alpha/va_list.h (va-alpha.h): Do not include.
16642 (__gnuc_va_list): Typedef as in varargs.h.
16644 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
16646 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
16647 DECL_LIVE_RANGE_RTL.
16649 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
16651 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
16652 not NOTE_BLOCK_NUMBER.
16653 (expand_eh_region_end): Likewise.
16654 (find_exception_handler_labels): Likewise.
16655 (scan_region): Likewise.
16656 (exception_optimize): Likewise.
16657 (update_rethrow_references): Likewise.
16658 (set_insn_eh_region): Likewise.
16659 * final.c (final_scan_insn): Likewise.
16660 * flow.c (make_edges): Likewise.
16661 * integrate.c (expand_inline_function): Likewise.
16662 * print-rtl.c (print_rtx): Likewise.
16664 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
16666 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
16667 terms of builtin functions and types.
16669 * mips.c (mips_build_va_list): New.
16670 (mips_va_start, mips_va_arg): New.
16671 * mips.h (BUILD_VA_LIST_TYPE): New.
16672 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
16674 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
16675 (sh_build_va_list, sh_va_start, sh_va_arg): New.
16676 * sh.h (BUILD_VA_LIST_TYPE): New.
16677 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
16679 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
16681 * recog.h (struct recog_data): Make dup_num, operand_address_p,
16682 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
16683 (struct insn_data): Likewise with n_operands, n_dups,
16684 n_alternatives, output_format.
16685 * regclass.c (scan_one_insn): Cast n_operands to int before
16686 arithmetic inside comparison.
16688 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
16690 * toplev.c (compile_function): Unconditionally emit nop.
16692 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16694 * haifa-sched.c (actual_hazard): Move declaration of variable
16695 `this_cost' into the scope where it is used.
16697 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16699 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
16700 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
16701 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
16703 * genrecog.c (make_insn_sequence): Call memset, not bzero.
16705 * jump.c (find_insert_position): Don't declare or define unless
16706 !HAVE_conditional_arithmetic.
16707 (returnjump_p_1, delete_prior_computation): Add static prototypes.
16709 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
16711 * recog.c (offsettable_address_p): Prototype function pointer.
16712 (preprocess_constraints): Call memset, not bzero.
16714 * tree.c (tree_node_kind_names): Constify a char*. Make static.
16715 (gcc_obstack_init): Don't declare.
16716 (fix_sizetype): Add static prototype.
16717 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
16718 (tree_cons): Call memset, not bzero.
16720 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
16721 definition in macro ASM_WEAKEN_LABEL.
16722 (mark_const_hash_entry): Add static prototype.
16724 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16726 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
16728 * unroll.c (find_common_reg_term, subtract_reg_term,
16729 loop_find_equiv_value): Add static prototypes.
16730 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
16731 (copy_loop_body): Remove unreachable break statement.
16733 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
16735 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
16737 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16739 Undo some changes from the gcc2 merge:
16740 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
16741 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
16745 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
16746 * emit-rtl.c (gen_lowpart_common): Disable optimization of
16747 initialized float-int union if the value is a NaN.
16749 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
16751 * gthr-win32.h: New file.
16753 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
16754 shared as a valid attribute.
16755 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
16756 * extend.texi: Document `shared' variable attribute.
16758 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
16760 * configure.in: Handle --enable-threads on FreeBSD.
16761 * configure: Rebuit.
16763 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
16765 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
16767 * configure: Rebuilt.
16769 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
16770 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
16771 Rosimildo DaSilva <rdasilva@connecttel.com>
16773 * configure.in (m68k-*-rtemscoff*): Added.
16774 * configure.in (mips64orion-*-rtems*): Converted to ELF.
16775 * configure.in (sparc-*-rtemsaout*): Added as alias for old
16776 sparc-rtems configuration.
16777 * configure.in (sparc-*-rtemself*): Added.
16778 * configure.in (sparc-*-rtems*): Now ELF not a.out.
16779 * config/i386/rtems.h: Added comment.
16780 * config/sparc/rtemself.h: New file.
16782 * configure.in (m68k-rtemself): Added.
16783 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
16784 and DWARF_DEBUGGING_INFO.
16785 * config/m68k/crti.s: New file.
16786 * config/m68k/crtn.s: New file.
16787 * config/m68k/t-crtstuff: New file.
16788 * config/m68k/rtemself.h: New file.
16790 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
16791 global ctor/dtor and C++ exception handling.
16792 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
16793 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
16795 * config/i386/t-rtems-i386: New File.
16797 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
16799 * stmt.c (expand_end_case): Return right away if the case stack is
16802 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
16804 * Makefile.in (version.c): Remove rule incorrectly brought in from
16807 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
16809 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
16810 * msdos/top.sed: Take into account a prepended $(SHELL) to
16812 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
16814 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
16816 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16818 * regmove.c (fixup_match_1): Don't change an unchanging register.
16819 (stable_but_for_p): Renamed to:
16820 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
16821 Changed all callers.
16823 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
16825 * loop.c (strength_reduce): Don't call reg_used_between_p if the
16826 insn from BL2 is after the insn from BL.
16828 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
16830 * recog.h (INSN_OUTPUT_FORMAT_*): New.
16831 (struct insn_data): Merge `template' and `outfun' into `output'.
16832 Add `output_format'.
16833 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
16834 (struct data): Remove `outfun'; add `output_format'.
16835 (name_for_index): Remove declaration.
16836 (output_insn_data): Handle output formats.
16837 (process_template): Emit the bare array for @.
16838 (gen_expand, gen_split): Set output_format to NONE.
16839 * output.h (get_insn_template): Declare.
16840 * final.c (get_insn_template): New.
16841 (final_scan_insn): Use it.
16842 * toplev.c (compile_file): Likewise.
16844 * c4x/c4x.c (c4x_process_after_reload): Likewise.
16845 * i860/i860.c (output_delayed_branch): Likewise.
16846 (output_delay_insn): Likewise.
16848 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16850 * rtl.c (obstack_alloc_rtx): Removed.
16852 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
16854 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
16856 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16858 * i386.c (call_insn_operand): Reject const_int.
16859 (expander_call_insn_operand): Use call_insn_operand.
16861 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16863 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
16865 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
16867 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
16868 Use DImode operation.
16870 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
16872 * gcc.c: Include sys/resource.h.
16873 (report_times): New flag.
16874 (execute): If report_times is set, calculate and report the
16875 CPU time consumed by each subprocess.
16877 (rus, prus): New globals.
16878 (option_map): Add --time.
16879 (display_help): Document -time.
16880 (process_command): Set report_times if -time is given.
16881 Turn off -pipe if -time is given.
16883 * invoke.texi: Document new option -time.
16885 * configure.in: Check for getrusage. Check if we have to
16886 prototype getrusage.
16887 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
16888 * configure: Regenerate.
16889 * config.in: Regenerate.
16891 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
16893 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
16896 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
16898 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
16899 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
16900 (nan): Return _thenan_sf or _thenan_df as appropriate.
16901 (L_thenan_sf): Define _thenan_sf.
16902 (L_thenan_df): Define _thenan_df.
16904 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
16905 (DPBIT_FUNCS): Add _thenan_df.
16907 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
16909 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
16912 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16914 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
16917 (lang_specific_driver): Don't take a function pointer parameter.
16918 All callers changed.
16920 * gcc.c: Include gcc.h.
16921 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
16922 lang_specific_extra_outfiles, fatal): Don't declare.
16923 (multilib_defaults_raw): Constify.
16924 (read_specs): Call memset, rather than bzero.
16925 (main): Call return, not exit.
16926 (lookup_compiler): Call memcpy, not bcopy.
16927 (fatal): Make extern.
16929 * cppspec.c: Include gcc.h.
16930 (lang_specific_driver): Initialize variable `quote'. Constify a
16931 char*. All calls to the function pointer parameter now
16932 explicitly call `fatal'.
16934 * gccspec.c (lang_specific_driver): Include gcc.h.
16936 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
16938 * arm.c (note_invalid_constants): Use recog_data.operand_type
16941 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16943 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
16946 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
16947 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
16948 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
16949 reload_secondary_in_reload, reload_secondary_out_reload,
16950 reload_secondary_in_icode, reload_secondary_out_icode,
16951 reload_reg_rtx, reload_when_needed): Delete declarations.
16952 (struct reload): New structure.
16953 (rld): Declare new array.
16954 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
16955 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
16956 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
16957 reload_secondary_in_reload, reload_secondary_out_reload,
16958 reload_secondary_in_icode, reload_secondary_out_icode,
16959 reload_reg_rtx, reload_when_needed): Delete definitions.
16961 (whole file): Replace uses of the deleted arrays with uses of rld.
16962 * reload1.c (whole file): Replace uses of the deleted arrays with
16964 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
16965 explicit loops, not with bcopy.
16967 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
16969 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
16970 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
16971 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
16972 insn_name): Delete and consolidate into new structures.
16973 (insn_operand_predicate_fn): New.
16974 (insn_output_fn): New.
16975 (insn_gen_fn): New.
16976 (struct insn_operand_data): New.
16977 (struct insn_data): New.
16979 (OUT_FCN): Update for insn_data change.
16980 * builtins.c (expand_builtin_strlen): Likewise.
16981 (expand_builtin_memcmp): Likewise.
16982 * combine.c (make_extraction, simplify_comparison): Likewise.
16983 * cse.c (canon_reg, cse_insn): Likewise.
16984 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
16985 * expmed.c (store_bit_field, extract_bit_field): Likewise.
16986 (emit_store_flag): Likewise.
16987 * expr.c (convert_move, emit_block_move): Likewise.
16988 (clear_storage, emit_push_insn, expand_increment): Likewise.
16989 (do_store_flag): Likewise.
16990 * expr.h (GEN_FCN): Likewise.
16991 (insn_gen_function): Die.
16992 * final.c (final_scan_insn): Update for insn_data change.
16993 (output_asm_name): Likewise.
16994 * function.c (fixup_var_refs_1): Likewise.
16995 * loop.c (check_dbra_loop): Likewise.
16996 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
16997 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
16998 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
16999 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
17000 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
17001 * regmove.c (gen_add3_insn): Likewise.
17002 * reload.c (push_secondary_reload, combine_reloads): Likewise.
17003 (find_reloads, find_reloads_address_1): Likewise.
17004 (debug_reload_to_stream): Likewise.
17005 * reload1.c (emit_reload_insns, gen_reload): Likewise.
17006 * stmt.c (expand_end_case): Likewise.
17007 * toplev.c (compile_file): Likewise.
17009 * c4x/c4x.c (c4x_process_after_reload): Likewise.
17010 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
17012 * print-rtl.c (insn_name_ptr): Remove declaration.
17013 (get_insn_name): Declare.
17014 (print_rtx): Use it.
17015 * genoutput.c (insn_name_ptr): Remove.
17016 (next_operand_number): New.
17017 (struct operand_data): New.
17018 (null_operand, odata, odata_end): New.
17019 (struct data): Use struct operand_data.
17020 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
17021 (get_insn_name): Renamed from name_for_index.
17022 (output_prologue): Define NO_MD_PROTOTYPES.
17023 (output_predicate_decls): Break out from output_epilogue.
17024 Iterate over the operands list.
17025 (output_operand_data): Break out from output_epilogue. Emit
17026 just the operands list.
17027 (output_insn_data): Break out from output_epilogue. Emit just
17029 (output_epilogue): Remove.
17030 (output_get_insn_name): New.
17031 (constraints, op_n_alternatives, predicates, address_p): Die.
17032 (modes, strict_low, seen): Die.
17033 (scan_operands): Take new param `d' instead of writing to
17034 seven global variables.
17035 (compare_operands): New.
17036 (place_operands): New.
17037 (validate_insn_alternatives): Update for struct data change.
17038 (gen_insn): Don't zero or copy 7 global arrays. Update for
17039 scan_operands; call place_operands.
17040 (gen_peephole, gen_expand, gen_split): Likewise.
17041 (main): Update for new output routines.
17043 * genattr.c (insn_name_ptr): Remove.
17044 (get_insn_name): New function.
17045 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
17046 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
17047 * genrecog.c: Likewise.
17049 * alpha.md (adddi3): Make `pattern' array static.
17051 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17053 * config/c4x/c4x.h (c4x_rpts_cycles_string,
17054 c4x_cpu_version_string): Constify char *.
17055 * config/c4x/c4x.c (c4x_rpts_cycles_string,
17056 c4x_cpu_version_string): Likewise.
17058 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
17060 * tree.c (save_tree_status): Revert 10 Sep change.
17061 (restore_tree_status): Likewise. Call obstack_free with NULL
17062 before freeing the obstack proper.
17064 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
17066 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
17068 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
17069 surrounding context.
17071 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
17073 * tree.c (type_hash_canon): Put all types in the hash-table, when
17076 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
17078 * recog.h (struct recog_data, recog_data): New.
17079 (recog_foo variables): Kill.
17080 * recog.c (recog_operand, recog_operand_loc): Kill.
17081 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
17082 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
17083 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
17084 (recog_data): Define.
17085 (extract_insn): Update all recog_foo references to use recog_data.
17086 (preprocess_constraints, constrain_operands): Likewise.
17087 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
17088 * genattrtab.c (main): Likewise.
17089 * genextract.c (main): Likewise.
17090 * genoutput.c: Likewise.
17091 * genrecog.c (write_subroutine, main): Likewise.
17092 * local-alloc.c (block_alloc): Likewise.
17093 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
17094 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
17095 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
17096 * reload.c (find_reloads, find_reloads_toplev): Likewise.
17097 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
17098 (reload_cse_simplify_operands): Likewise.
17100 * arc/arc.c (arc_final_prescan_insn): Likewise.
17101 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
17102 * h8300/h8300.c (notice_update_cc): Likewise.
17103 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
17104 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
17105 * mn10200/mn10200.c (notice_update_cc): Likewise.
17106 * mn10300/mn10300.c (notice_update_cc): Likewise.
17107 * romp/romp.c (update_cc): Likewise.
17108 * sparc/sparc.c (check_pic): Likewise.
17109 * v850/v850.c (notice_update_cc): Likewise.
17111 * genemit.c (main): Don't declare recog_operand.
17113 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
17115 * ggc.h (rtvec_def): Forward declare.
17116 (tree_node): Likewise.
17117 (ggc_root): Define.
17119 (ggc_set_mark_rtx): Add prototype.
17120 (ggc_set_mark_rtvec): Likewise.
17121 (ggc_set_mark_tree): Likewise.
17122 * ggc-simple.c (ggc_root): Don't define.
17123 (roots): Don't declare.
17124 (ggc_mark_rtx): Remove.
17125 (ggc_mark_rtvec): Likewise.
17126 (ggc_mark_tree): Likewise.
17127 (ggc_mark_varray): Likewise.
17128 (ggc_mark_tree_hash_table_entry): Likewise.
17129 (ggc_mark_tree_hash_table): Likewise.
17130 (ggc_set_mart_rtx): New function.
17131 (ggc_set_mark_rtvec): Likewise.
17132 (ggc_set_mark_tree): Likewise.
17133 (ggc_add_root): Remove.
17134 (ggc_add_rtx_root): Likewise.
17135 (ggc_remove_tree_root): Likewise.
17136 (ggc_add_string_root): Likewise.
17137 (ggc_add_tree_varray_root): Likewise.
17138 (ggc_add_tree_hash_table_root): Likewise.
17139 (ggc_del_root): Likewise.
17140 (ggc_mark_rtx_ptr): Likewise.
17141 (ggc_mark_tree_ptr): Likewise.
17142 (ggc_mark_string_ptr): Likewise.
17143 (ggc_mark_tree_varray_ptr): Likewise.
17144 (ggc_mark_tree_hash_table_ptr): Likewise.
17145 * ggc-common.c: New file.
17146 * Makefile.in (OBJS): Add ggc-common.o.
17147 (ggc-common.o): List dependencies.
17149 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
17151 * cppalloc.c (xstrdup): Use memcpy.
17152 * cpperror.c (cpp_print_containing_files): Don't use
17154 * cpplib.c (conditional_skip): Set temp->lineno.
17155 (do_endif): Make error message less obscure.
17156 (if_directive_name): New function.
17157 (cpp_get_token [case EOF]): Unwind the if stack and generate
17158 error messages for each unterminated conditional in this file.
17159 (parse_string): Do not behave differently if -traditional.
17161 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
17163 * builtins.c (expand_builtin_va_arg): Cope with an array-type
17164 va_list decomposing to pointer-type.
17165 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
17166 (rs6000_va_arg): Likewise.
17168 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
17170 * except.c (start_dynamic_handler): Compute size using
17171 STACK_SAVEAREA_MODE.
17173 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17175 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
17176 include directory headers. Don't define strrchr. Don't provide
17177 my_* replacement functions. Prefer PTR over `pointer_type'.
17178 Don't prototype system functions. Don't redefine getopt.
17180 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
17181 safe_read, safe_write, save_pointers, restore_pointers,
17182 is_id_char, in_system_include_dir, directory_specified_p,
17183 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
17184 find_corresponding_lparen, referenced_file_is_newer,
17185 save_def_or_dec, munge_compile_params, gen_aux_info_file,
17186 process_aux_info_file, identify_lineno, check_source,
17187 seek_to_line, forward_to_next_token_char, output_bytes,
17188 output_string, output_up_to, other_variable_style_function,
17189 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
17190 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
17191 find_static_definition, connect_defs_and_decs, add_local_decl,
17192 add_global_decls, needs_to_be_converted, visit_each_hash_node,
17193 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
17194 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
17195 scan_for_missed_items, edit_file, string_list_cons): Add static
17197 (standard_exec_prefix, target_machine, target_version,
17198 default_syscalls_dir, string_list, string_list_cons, find_file,
17199 do_cleaning): Constify a char*.
17200 (safe_read, safe_write): Use PTR, not a char*.
17201 (is_id_char): Take an int, not a char.
17202 (main): Add prototype. Call return, not exit.
17204 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
17206 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
17207 when comparing types.
17209 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
17211 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
17212 (strength_reduce): Release the varrays from the no-bivs early exit.
17214 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
17215 the loop over the registers.
17217 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
17219 (restore_tree_status): Check that instead when freeing the obstack.
17221 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
17223 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
17226 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17228 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
17229 operand size modifiers.
17231 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17233 * c-common.c (c_common_nodes_and_builtins): Don't build
17235 * c-common.h (enum c_tree_index and related accesor macros): Remove
17236 everything now declared in tree.h.
17237 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
17238 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
17239 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
17240 (error_mark_node, void_type_node, char_type_node, integer_type_node,
17241 unsigned_type_node, ptr_type_node, va_list_type_node,
17242 integer_zero_node, null_pointer_node, integer_one_node): Delete.
17243 (init_decl_processing): Call build_common_tree_nodes and
17244 build_common_tree_nodes_2 instead of building their nodes here.
17245 Don't add roots for these nodes.
17246 * stor-layout.c (size_zero_node, size_one_node): Delete.
17247 (set_sizetype): Make a new node for bitsizetype each time.
17248 * tree.c (global_trees): New variable.
17249 (init_obstacks): Add a gc root for it.
17250 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
17251 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
17252 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
17253 (build_common_tree_nodes): New function.
17254 (fix_sizetype): New function.
17255 (build_common_tree_nodes_2): New function.
17256 * tree.h (enum tree_index): New.
17257 (global_trees): Declare.
17258 Add accessor macros for all nodes now moved to global_trees.
17259 Delete their declarations.
17261 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
17263 * c-decl.c (finish_function): When processing a nested function,
17264 push and pop GC context around rest_of_compilation.
17266 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
17268 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
17269 Default ix86_arch to PROCESSOR_I386.
17270 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
17271 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
17272 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
17273 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
17274 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
17275 (EXTRA_SPECS): Remove deleted specs.
17277 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
17279 * function.c (assign_stack_local_1): Allocate from
17280 function->x_frame_offset, not frame_offset.
17282 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
17284 * ggc.h (lang_cleanup_tree): Remove.
17285 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
17286 * ggc-callbacks.c (lang_cleanup_tree): Remove.
17288 * c-decl.c (finish_struct): Use ggc_alloc to allocate
17289 TYPE_LANG_SPECIFIC when garbage collecting.
17290 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
17291 (lang_cleanup_tree): Remove.
17293 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17295 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
17296 * crtstuff.c: Not here.
17297 * dwarf2out.c: Or here.
17298 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
17301 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
17303 * function.h (free_after_compilation): Remove decl parameter.
17304 (free_varasm_status0: Likewise.
17305 (free_emit_status): Likewise.
17306 (free_stmt_status): Likewise.
17307 (free_after_compilation): Likewise.
17308 (init_lang_status): New variable.
17309 (free_lang_status): Likewise.
17310 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
17311 * function.c (init_lang_status): New variable.
17312 (free_lang_status): Likewise.
17313 (push_function_context_to): Don't set function::decl here.
17314 (free_after_copmilation): Make decl parameter implicit. Call
17315 free_lang_status if defined.
17316 (prepare_function_start): Call init_lang_status if defined.
17317 (init_function_start): Set function::decl here.
17318 * profile.c (output_func_start_profiler): Don't call pushdecl
17319 until we've actually started the function.
17320 * stmt.c (free_stmt_status): Make decl parameter implicit.
17321 * toplev.c (rest_of_compilation): Don't pass decl to
17322 free_after_compilation.
17323 * varasm.c (free_varasm_status): Likewise.
17325 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17327 * except.c (call_get_eh_context): Add root when allocating static
17330 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
17332 * arm.c: Include "ggc.h".
17333 (arm_add_gc_roots): New function.
17334 (arm_override_options): Call it.
17335 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
17337 * arm.md (define_asm_attributes): Add a pool_range attribute.
17339 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
17341 * extend.texi (Volatiles): New node.
17343 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
17345 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
17346 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
17347 (struct ggc_any): Replace `mark' with `magic_mark'.
17348 (ggc_alloc_string): Use memcpy, not bcopy.
17349 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
17350 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
17351 (ggc_free_any): New.
17352 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
17353 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
17354 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
17355 Use IS_MARKED. Use ggc_free_any.
17357 1999-09-09 Scott Bambrough <scottb@netwinder.org>
17359 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
17361 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
17363 * toplev.c (main): Always init_ggc.
17365 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
17367 * except.c (find_all_handler_type_matches): Free the list if
17368 we found no matches.
17370 * combine.c (SUBST): Break out to a real function do_SUBST.
17371 (SUBST_INT): Likewise.
17372 * gcse.c (free_pre_mem): Free `temp_bitmap'.
17373 (pre_insert): Free `inserted'.
17374 * loop.c (basic_induction_var): Always set `location'.
17376 * function.c (expand_function_end): Add initial_trampoline as a root.
17377 * rtl.h (init_varasm_once): Declare.
17378 * toplev.c (compile_file): Call it.
17379 * ggc-simple.c (ggc_mark_string_ptr): New.
17380 (ggc_add_string_root): New.
17381 (ggc_collect): Disable collection avoidance temporarily.
17382 * ggc.h (ggc_add_string_root): Declare.
17383 * except.c (create_rethrow_ref): Use ggc_alloc_string.
17384 * optabs.c (init_libfuncs): Likewise.
17385 * varasm.c (named_section): Use ggc_alloc_string.
17386 (make_function_rtl): Likewise.
17387 (make_decl_rtl): Likewise.
17388 (assemble_static_space): Likewise.
17389 (assemble_trampoline_template): Likewise.
17390 (output_constant_def): Likewise.
17391 (force_const_mem): Likewise.
17392 (mark_const_hash_entry): New.
17393 (mark_pool_sym_hash_table): New.
17394 (mark_varasm_state): Use it.
17395 (init_varasm_once): New.
17397 * expr.h (init_one_libfunc): Declare.
17398 * optabs.c (init_one_libfunc): New.
17399 (init_optabs): Use it.
17400 * config/gofast.h: Likewise.
17401 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
17402 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
17404 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17406 * Makefile.in (cppexp.o): Depend on cpphash.h.
17407 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
17409 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
17410 * cpplib.c (do_define): Generalise to handle poisoned definitions,
17411 redefining poisoned identifiers, etc.
17412 (do_undef): Don't allow poisoned identifiers to be undefined.
17413 (do_pragma): Add #pragma poison.
17414 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
17416 * cccp.c: Add T_POISON node type.
17417 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
17419 (do_define): Generalise to handle poisoned definitions,
17420 redefining poisoned identifiers, etc.
17421 (do_undef): Don't allow poisoned identifiers to be undefined.
17422 (do_pragma): Add #pragma poison.
17423 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
17425 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
17426 * c-pragma.h: Add ps_poison state. We now always have generic
17429 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
17431 * ggc.h (ggc_alloc): New function.
17432 (ggc_mark): Likewise.
17433 * ggc-simple.c (ggc_any): New structure.
17434 (ggc_status): Add anys.
17435 (n_anys_collected): New variable.
17436 (ggc_alloc): Define.
17437 (ggc_mark): Likewise.
17438 (ggc_collect): Collect the anys.
17440 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17442 * c-decl.c (mark_binding_level): Make static to match prototype.
17444 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
17446 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
17448 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
17450 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
17451 will use into account. Expand the max width to 5.
17454 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
17456 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
17457 for the rtx length.
17459 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
17461 * alpha.md (call value patterns): Remove the result predicates.
17463 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
17465 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
17468 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17470 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
17471 changed from extern char *, to extern PTR. Also fix typo in
17472 NEED_DECLARATION_REALLOC test.
17474 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
17476 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17478 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
17479 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
17480 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
17481 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
17483 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
17485 * cccp.c (pcfinclude): Likewise.
17487 * global.c (allocno_compare): Likewise.
17489 * haifa-sched.c (rank_for_schedule): Likewise.
17491 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
17493 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
17495 * stupid.c (stupid_reg_compare): Likewise.
17497 * tree.c (_obstack_allocated_p): Likewise.
17499 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
17501 1999-09-08 Bruce Korb autogen@linuxbox.com
17503 * Makefile.in: Give the hapless gperf user a hint about
17504 why "gperf -F" fails.
17506 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
17508 * lists.c: Include ggc.h.
17510 (init_EXPR_INSN_LIST_cache): Install it.
17512 * ggc-simple.c (init_ggc): Absorb the old init.
17513 (ggc_push_context): Use xcalloc.
17514 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
17515 (ggc_collect): Add [rvts] tags to the collection stats.
17517 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
17519 * cccp.c (main): Fix handling of -include and -imacros options.
17521 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
17523 * cpplib.c (cpp_push_buffer): Fix order of arguments.
17525 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17527 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
17530 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17532 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
17533 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
17534 and SET_DEST. Update comment.
17536 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17538 * config/c4x/c4x.c: Include ggc.h.
17539 (c4x_add_gc_roots): New function.
17540 (c4x_override_options): Call c4x_add_gc_roots.
17542 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
17544 * defaults.h (TARGET_ESC): Move ...
17545 * system.h: ... here, where Linas had it in the first place. Silly me.
17547 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
17549 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
17550 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
17551 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
17552 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
17553 * defaults.h (TARGET_ESC): Add default.
17555 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
17557 * configure.in: add i370-*-openedition, i370-*-mvs and
17558 i370-*-linux targets
17560 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
17562 * dsp16xxx.c: Include ggc.h
17563 (override_options): Mark GC roots.
17564 * mn10200.c: Include ggc.h.
17565 (asm_file_start): Mark GC roots.
17566 * tahoe.c: Include ggc.h.
17567 (extensible_operand): Mark GC roots.
17569 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
17571 * README: Add section discussing status of ELF ABI.
17572 * i370.c: Fix misc spelling mistakes.
17573 (i370_label_scan): Updated notes, exception handling.
17574 (i370_function_prolog): Simplify ELF stack handling.
17575 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
17576 (STACK_GROWS_DOWNWARD): ELF stack grows down.
17577 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
17578 * i370.md: (movdi): Add notes.
17579 (floatsidf2): Use stack not rtca for scratch float area.
17580 (iorsi3): Correct operand constraints.
17581 * x-oe: Restore TAROUTOPTS which are used by pax.
17583 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
17585 * rs6000.c: Include ggc.h.
17586 (rs6000_add_gc_roots): New function.
17587 (override_options): Call it.
17589 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
17591 * alpha.h (alpha_compare): New.
17592 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
17593 * alpha.c: Likewise for the definitions.
17594 (alpha_emit_conditional_branch): Update for alpha_compare.
17595 (alpha_emit_conditional_move): Likewise.
17596 * alpha.md (cmpdf, cmpdi): Likewise.
17597 (setcc patterns): Likewise. Zero alpha_compare after use.
17598 (sne): Optimize (x != 0) into (0U < x).
17600 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
17602 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
17603 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
17604 (INIT_EXPANDERS): Remove.
17605 * alpha.c: Include ggc.h.
17606 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
17607 (alpha_init_machine_status, alpha_mark_machine_status): New.
17608 (override_options): Install them.
17609 (struct machine_function): Moved to alpha.h.
17610 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
17611 (alpha_init_expanders): Remove.
17612 (alpha_return_addr): Adjust to use current_function->machine.
17613 (alpha_ra_ever_killed): Likewise.
17614 (alpha_expand_epilogue): Likewise.
17615 * alpha.md (eh_epilogue): Likewise.
17617 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
17618 Melissa O'Neill <oneill@cs.sfu.ca>
17619 Geoffrey Keating <geoffk@cygnus.com>
17621 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
17622 call-used registers (call-saved registers must still be contiguous
17623 and end with r31, of course).
17625 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
17627 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
17628 (self_promoting_type_p): Delete.
17629 (self_promoting_args_p): Move ...
17630 * c-common.c: ... here.
17631 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
17632 (simple_type_promotes_to): New.
17633 * builtins.c (lang_type_promotes_to): New.
17634 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
17635 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
17636 * c-common.h: ... here.
17637 (self_promoting_args_p, simple_type_promotes_to): Declare.
17638 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
17639 (grokdeclarator): Likewise.
17640 * tree.h (lang_type_promotes_to): Declare.
17642 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
17644 Add some machine-dependent GC roots.
17645 * sparc.c: Include ggc.h.
17646 (sparc_add_gc_roots): New function.
17647 (mark_ultrasparc_pipeline_state): Likewise.
17648 (override_options): Call sparc_add_gc_roots.
17649 * pa.c: Include ggc.h.
17650 (pa_add_gc_roots): New function.
17651 (mark_deferred_plabels): Likewise.
17652 (override_options): Call pa_add_gc_roots.
17653 * mips.c: Include ggc.h.
17654 (mips_add_gc_roots): New function.
17655 (override_options): Use it.
17657 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17659 * cpperror.c (cpp_file_line_for_message): Constify a char*.
17661 * cppexp.c (parse_number, parse_charconst, cpp_lex,
17662 cpp_parse_expr): Add static prototypes.
17663 (parse_charconst): Don't cast away const-ness.
17664 (token): Constify a char*.
17666 * cppfiles.c (file_name_list, include_hash, find_include_file,
17667 finclude, initialize_input_buffer): Constify a char*.
17668 (file_cleanup, find_position): Add static prototypes.
17670 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
17671 collect_expansion): Add static prototypes.
17672 (cpp_install, create_definition, monthnames): Constify a char*.
17674 * cpphash.h (cpp_install): Likewise.
17676 * cppinit.c (known_suffixes, default_include,
17677 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
17678 (base_name, dump_special_to_buffer, initialize_dependency_output):
17679 Add static prototypes.
17681 * cpplib.c (my_strerror): Constify a char*.
17682 (null_underflow, null_cleanup, skip_comment, copy_comment,
17683 copy_rest_of_line, handle_directive, pass_thru_directive,
17684 get_directive_token, read_line_number, cpp_print_file_and_line,
17685 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
17686 v_cpp_warning_with_line, detect_if_not_defined,
17687 consider_directive_while_skipping): Add static prototypes.
17688 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
17689 cpp_pedwarn_with_file_and_line): Constify a char*.
17691 * cpplib.h (cpp_options, include_hash, progname, definition,
17692 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
17693 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
17694 find_include_file, deps_output, include_hash): Constify a char*.
17696 * cppmain.c (progname): Constify.
17697 (main): Add prototype. Use return, not exit.
17699 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
17700 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
17701 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
17702 check_protection): Add static prototype.
17704 (progname, recognized_macrom, recognized_extern): Constify a char*.
17705 (main): Add prototype.
17707 * gen-protos.c (progname): Constify a char*.
17709 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
17711 * emit-rtl.c (free_emit_status): Take decl as a parameter.
17712 (init_emit_once): Add more GC roots.
17713 * except.c (mark_func_eh_entry): New function.
17714 (mark_eh_node): Mark false_label and rethrow_label.
17715 (init_eh): Add more GC roots.
17716 * function.c (free_after_compilation): Take decl as a paramter.
17717 Call free_stmt_status.
17718 (mark_function_state): Don't assume x_parm_reg_stack_loc is
17720 * function.h (free_after_compilation): Change prototype.
17721 (free_varasm_status): Likewise.
17722 (free_emit_status): Likewise.
17723 (free_stmt_status): New function.
17724 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
17725 Remove, replacing with ...
17726 (ggc_status): New structure.
17727 (ggc_chain): New variable.
17728 (init_gcc): Define.
17729 (ggc_push_context): New function.
17730 (ggc_pop_context): Likewise.
17731 (ggc_alloc_rtx): Adjust for use of ggc_chain.
17732 (ggc_alloc_rtvec): Likewise.
17733 (ggc_alloc_tree): Likewise.
17734 (ggc_alloc_string): Likewise.
17735 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
17736 (ggc_mark_tree): Give language-dependent code a chance to mark
17738 (ggc_mark_tree_varray): Handle empty arrays.
17739 (ggc_collect): Adjust for use of ggc_chain. Clear
17740 bytes_alloced_since_last_gc.
17741 * ggc.h (ggc_pop_context): New function.
17742 (ggc_push_context): Likewise.
17743 * print-tree.c (print_node): Don't print obstacks when GC'ing.
17744 * stmt.c (free_stmt_status): New function.
17745 (init_stmt_for_function): Clear last_expr_value.
17746 * toplev.c (rest_of_compilation): Always call free_after_compilation.
17747 Conditionalize call to ggc_collect.
17748 (main): Call init_ggc.
17749 * tree.c (push_obstacks): Do the push, even when GC'ing.
17750 (push_obstacks_nochange): Likewise.
17751 (pop_obstacks): Liekwise.
17752 * varasm.c (free_varasm_status): Take decl as a parameter.
17754 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
17756 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
17757 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
17758 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
17759 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
17761 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
17763 * pa/x-pa-mpeix: New file for the MPE port.
17765 * pa/quadlib.asm: New file for long double support.
17767 * configure.in: Add hppa1.0-*-mpeix for MPE port.
17768 * configure: Rebuilt.
17770 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
17772 * final.c (shorten_branches): Fix last change.
17774 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
17776 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
17778 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
17780 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
17783 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17785 * c-aux-info.c (concat): Don't define.
17787 * cccp.c (my_strerror): Likewise. All callers changed to use
17789 (do_include): Call xstrdup, not xmalloc/strcpy.
17790 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
17791 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
17793 * collect2.c (my_strsignal): Likewise. All callers changed to use
17795 (locatelib): Call xstrdup, not xmalloc/strcpy.
17797 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
17799 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
17801 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
17803 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
17805 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
17807 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
17809 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
17811 (find_all_handler_type_matches): Likewise. Don't check return
17813 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
17814 xmalloc, not malloc.
17815 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
17817 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
17818 (init_spec): Call xcalloc, not xmalloc/bzero.
17819 (set_spec): Call xstrdup, not save_string.
17820 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
17821 (find_a_file): Call xstrdup, not xmalloc/strcpy.
17822 (process_command): Call xstrdup, not save_string.
17823 (main): Call xcalloc, not xmalloc/bzero.
17825 * gcov.c (xmalloc): Don't define.
17826 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
17827 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
17828 (output_data): Call xcalloc, not xmalloc/bzero.
17830 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
17832 * mips-tdump.c (xmalloc): Don't define.
17833 (print_symbol): Call xmalloc, not malloc.
17834 (read_tfile): Call xcalloc, not calloc.
17836 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
17837 Don't define. All callers of xfree/my_strsignal changed to use
17838 free/strsignal instead.
17839 (allocate_cluster): Call xcalloc, not calloc.
17841 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
17842 Fix memory leak, free allocated memory.
17844 * prefix.c (translate_name): Call xstrdup, not save_string.
17845 (update_path): Likewise.
17847 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
17849 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
17850 Don't define. Callers of xfree/savestring2 changed to use
17851 free/concat instead.
17853 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
17854 (init_elim_table): Likewise.
17856 * resource.c (init_resource_info): Likewise.
17858 * stupid.c (stupid_life_analysis): Likewise.
17860 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
17861 (open_dump_file): Call concat, not xmalloc/strcpy/...
17862 (clean_dump_file): Likewise.
17863 (compile_file): Call xstrdup, not xmalloc/strcpy.
17865 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
17867 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
17868 * v850.c (v850_va_arg): New.
17870 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17872 * haifa-sched.c: Tidy comments.
17874 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17876 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
17877 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
17878 $(out_object_file)): Depend on ggc.h.
17879 * c-common.c: Include "ggc.h".
17880 (combine_strings): If doing GC, use ggc_alloc_string.
17881 * c-decl.c: Include "ggc.h".
17882 (ggc_p): Define with value 0.
17883 (mark_binding_level): New function.
17884 (init_decl_processing): Add GC roots.
17885 (mark_c_function_context): New function.
17886 (lang_mark_false_label_stack): New function.
17887 (lang_mark_tree): New function.
17888 (lang_cleanup_tree): New function.
17889 * c-lang.c: Include "ggc.h".
17890 (lang_init): Call c_parse_init.
17891 * c-lex.c: Include "ggc.h".
17892 (check_linenum): If doing GC, don't copy filenames to permanent
17894 * c-parse.in: Include "ggc.h".
17895 (c_parse_init): New function.
17896 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
17897 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
17899 * except.c (mark_eh_state): Mark more state.
17900 * function.c (mark_function_state): Likewise.
17901 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
17902 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
17903 * toplev.c (mark_file_stack): New function.
17904 (compile_file): If doing GC, use ggc_alloc_string on input filename.
17905 (main): Add root for input_file_stack.
17907 * i386.c: Include "ggc.h".
17908 (ix86_mark_machine_status): New function.
17909 (override_options): Set mark_machine_status.
17911 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17913 * tree.c (copy_node): Copy node contents also if doing GC.
17915 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17917 * collect2.c (scan_libraries): Fix double-thinko :-).
17919 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
17921 * collect2.c (scan_libraries): Fix thinko.
17923 * cse.c (delete_trivially_dead_insns): Do not skip the last
17924 insn if it is a real insn.
17926 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
17928 * Makefile.in (ggc-simple.o): Depend on hash.h.
17929 * ggc.h (ggc_add_tree_hash_table_root): Declare.
17930 (ggc_mark_tree_varray): Likewise.
17931 (ggc_mark_tree_hash_table): Likewise.
17932 * ggc-simple.c: Include hash.h.
17933 (ggc_mark_tree_hash_table_ptr): New function.
17934 (ggc_mark_tree_hash_table_entry): Likewise.
17935 (ggc_mark_tree_hash_table): Likewise.
17936 (ggc_add_tree_hash_table_root): Likewise.
17937 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
17938 rtx, when defining fields.
17940 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
17942 * profile.c (output_func_start_profiler): Remove apparently
17943 nonsensical call to start_sequence.
17945 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
17947 * clipper/clipper.c (clipper_va_start): Fix typos.
17949 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
17950 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
17951 (spur_va_arg): New stub.
17953 * configure.in: Comment out pyramid.
17955 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
17957 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
17958 don't conflict with the bits that win32, cygwin, and dgux
17961 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
17962 Bernd Schmidt <bernds@cygnus.co.uk>
17964 * integrate.c (function_cannot_inline_p): Do not inline
17965 functions with forced labels.
17967 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
17968 Bernd Schmidt <bernds@cygnus.co.uk>
17969 Mark Mitchell <mark@codesourcery.com>
17971 * Makefile.in (ggc-simple.o): Depend on varray.h.
17972 (rtl.o): Depend on ggc.h.
17973 (genattrtab.o): Depend on ggc.h.
17974 (print-tree.o): Likewise.
17975 (fold-const.o): Likewise.
17976 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
17977 (make_insn_raw): Don't cache insns when GC'ing.
17978 (emit_insn_before): Likewise.
17979 (emit_insn_after): Likewise.
17980 (emit_insn): Likewise.
17981 (start_sequence): Use xmalloc to allocate the sequence_stack.
17982 (end_sequence): Add free to free it.
17983 (gen_sequence): Don't cache insns when GC'ing.
17984 (clear_emit_caches): Don't use sequence_element_free_list.
17985 (init_emit): Use xcalloc, not xmalloc+bzero.
17986 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
17987 * function.c (pop_function_context_from): Use free to free the
17988 fixup_var_refs_queue.
17989 (put_reg_into_stack): Allocate it with xmalloc.
17990 * genattrtab.c: Include ggc.h.
17991 (operate_exp): Don't use obstack_free when GC'ing.
17992 (simplify_cond): Likewise.
17993 (simplify_text_exp): Likewise.
17994 (optimize_attrs): Likewise.
17995 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
17997 (gencode): Generate a #include for ggc.h.
17998 * ggc-callbacks.c (ggc_p): Define it to zero.
17999 * ggc-none.c (ggc_p): Likewise.
18000 * ggc-simple.c: Include varray.h.
18001 (ggc_mark_tree_varray): New function.
18002 (ggc_add_tree_varray_root): Likewise.
18003 (ggc_mark_tree_varray_ptr): Likewise.
18004 * ggc.h (ggc_p): Declare.
18005 (varray_head_tag): Likewise.
18006 (ggc_add_tree_varray_root): Declare.
18007 * print-tree.c (print_node): Don't check for TREE_PERMANENT
18008 inconsistencies when GC'ing.
18009 * rtl.c: Include ggc.h.
18010 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
18011 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
18012 (rtx_free): Don't call obstack_free when GC'ing.
18013 * toplev.c (rest_of_compilation): Call ggc_collect after every
18015 * tree.c (push_obstacks): Do nothing, if GC'ing.
18016 (pop_obstacks_nochange): Likewise.
18017 (pop_obstacks): Likewise.
18018 (make_node): Use ggc_alloc_tree when GC'ing.
18019 (copy_node): Likewise.
18020 (get_identifier): Use ggc_alloc_string when GC'ing.
18021 (build_string): Likewise.
18022 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
18023 (tree_cons): Likewise.
18024 (build1): Likewise.
18025 (type_hash_canon): Don't call obstack_free when GC'ing.
18027 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
18029 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
18030 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
18032 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
18033 Bernd Schmidt <bernds@cygnus.co.uk>
18034 Mark Mitchell <mark@codesourcery.com>
18036 * Makefile.in (stor-layout.o): Depend on ggc.h.
18037 (expr.o): Depend on ggc.h.
18038 (profile.o): Depend on ggc.h.
18039 (stor-layout.o): Depend on ggc.h.
18040 * emit-rtl.c (init_emit_once): Add gc roots.
18041 * expr.c: Include ggc.h.
18042 (emit_block_move): Add gc roots.
18043 (clear_storage): Likewise.
18044 * expr.h (init_stor_layout_once): New function.
18045 * profile.c: Include ggc.h.
18046 (init_arc_profiler): profiler_label is a root.
18047 * scan.c (make_sstring_space): Trust xrealloc to function
18048 correctly with first parameter NULL.
18049 * stor-layout.c: Include ggc.h.
18050 (set_sizetype): Add gc root.
18051 (init_stor_layout_once): New function.
18052 * toplev.c (compile_file): Call it.
18054 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
18055 Bernd Schmidt <bernds@cygnus.co.uk>
18056 Mark Mitchell <mark@codesourcery.com>
18058 * Makefile.in (tree.o): Depend on ggc.h.
18059 (varasm.o): Likewise.
18060 (function.o): Likewise.
18061 (stmt.o): Likewise.
18062 (except.o): Likewise.
18063 (optabs.o): Likewise.
18064 (emit-rtl.o): Likewise.
18065 * emit-rtl.c: Include ggc.h.
18066 (sequence_element_free_list): Remove, and all references.
18067 (mark_sequence): New functions.
18068 (mark_emit_state): New function.
18069 * except.c: Include ggc.h.
18070 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
18071 (mark_tree_label_node): New functions.
18072 (mark_eh_state): New function.
18073 * function.c: Include ggc.h.
18074 (mark_temp_slot, mark_function_chain): New functions.
18075 (mark_function_state): New function.
18076 (init_function_once): New function.
18077 * function.h (init_function_once): New function.
18078 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
18079 * ggc.h (label_node): Declare.
18080 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
18081 (lang_mark_false_label_stack): New function.
18082 (mark_temp_slot): Remove declaration.
18083 (mark_function_chain): Likewise.
18084 (mark_eh_state): Adjust prototype.
18085 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
18087 * optabs.c: Include ggc.h.
18088 (mark_optab): New function.
18089 (init_optabs): Add gc roots.
18090 * stmt.c: Include ggc.h.
18091 (mark_cond_nesting, mark_loop_nesting): New functions.
18092 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
18093 (mark_stmt_state): New function.
18094 * toplev.c (compile_file): Call init_function_once.
18095 * tree.c: Include ggc.h.
18096 (type_hash): Move declaration earlier in file.
18097 (TYPE_HASH_SIZE, type_hash_table): Likewise.
18098 (init_obstacks): Add gc roots.
18099 (mark_type_hash): New function.
18100 * varasm.c: Include ggc.h.
18101 (mark_pool_constant): New function.
18102 (mark_varasm_state): New function.
18104 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18106 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
18108 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18110 * c-decl.c (struct language_function): Renamed from struct c_function.
18112 (c_function_chain): Delete.
18113 (push_c_function_context): New arg F. Don't warn about nested
18114 functions here. Fill LANGUAGE elt of F. Delete code to update
18115 c_function_chain. Don't call push_function_context.
18116 (pop_c_function_context): New arg F. Restore from there instead of
18117 from c_function_chain. Don't call pop_function_context. Clear out
18118 LANGUAGE field of F when done.
18119 * c-lang.c: Include "function.h"
18120 (lang_init): Initialize save_lang_status and restore_lang_status.
18121 * c-parse.in (nested_function, nested_function_notype): Warn about
18122 nested functions. Call push_function_context/pop_function_context
18123 instead of the _c_ variants.
18124 * c-tree.h (push_c_function_context, pop_c_function_context): Update
18126 * Makefile.in (c-lang.o): Update dependencies.
18128 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
18129 regno_pointer_flag, regno_pointer_align.
18130 (gen_reg_rtx): Use xrealloc to enlarge them.
18131 (free_emit_status): New function.
18132 * function.c (mark_machine_status, mark_lang_status): New variables.
18133 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
18134 in some bits from assign_stack_local. All callers changed to use new
18136 (assign_stack_local): Just call assign_stack_local_1.
18137 (free_after_compilation): New function.
18138 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
18139 (trampoline_address): Likewise.
18140 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
18141 (prepare_function_start): Explicitly clear some more variables.
18142 * function.h (struct function): New elt can_garbage_collect.
18143 (mark_machine_status, mark_lang_status): Declare variables.
18144 (free_after_compilation, free_emit_status, free_varasm_status,
18145 init_varasm_status): Declare functions.
18146 * toplev.c (rest_of_compilation): Call free_after_compilation when
18147 done with the current function.
18148 * varasm.c (free_varasm_status): New function.
18150 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
18152 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
18153 (EXPAND_BUILTIN_VA_ARG): Define.
18154 * sparc.c (sparc_va_start): New.
18155 (sparc_va_arg): New.
18157 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18159 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
18161 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18163 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
18165 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
18167 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
18168 (OBJS): Add $(GGC).
18169 (ggc-callbacks.o): New target.
18170 * ggc-callbacks.c: New file.
18172 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18174 * expr.h: Collapse individual optab and libfunc vars to arrays.
18175 (optab_index, libfunc_index): New enumerations.
18176 (optab_table, libfunc_table): New arrays.
18177 Add accessor macros for both.
18179 * optabs.c (optab_table, libfunc_table): New.
18180 Delete declarations for individual optab and libfunc vars.
18182 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
18184 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
18186 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
18188 * Makefile.in (GGC, GGC_LIB): New.
18189 (HOST_RTL): Include ggc-none.o.
18190 (ggc-simple.o): New target.
18191 (ggc-none.o): Likewise.
18192 * tree.h (tree_common): Add gc_mark.
18193 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
18194 (struct rtvec_def): Add gc_mark.
18195 * emit-rtl.c (global_rtl): Update static initializers to contain
18196 enough initializers.
18197 * ggc.h, ggc-none.c, ggc-simple.c: New files.
18198 * toplev.c (gc_time): New variable.
18199 (all_time): New variable.
18200 (compile_file): Print gc time.
18201 (print_time): Calculate percentage of the whole.
18203 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18205 Change obstack memory management and varasm constant pool handling so
18206 that nested functions are treated like any other functions.
18207 * function.c (init_machine_status): New variable.
18208 (push_function_context_to): Set contains_functions for the outer
18209 function. Don't call save_varasm_status.
18210 (pop_function_context_from): Don't call restore_varasm_status. Don't
18211 set current_function_contains_functions.
18212 (prepare_function_start): Call init_varasm_status rather than
18213 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
18215 * function.h (struct function) Add field varasm. Delete fields
18216 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
18217 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
18218 (init_machine_status): Declare.
18219 (save_varasm_status, restore_varasm_status): Delete declarations.
18220 (save_tree_status, restore_tree_status): Delete last argument.
18221 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
18222 code. All callers changed.
18223 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
18224 save_constants_in_decl_trees, restore_constants, save_constants,
18225 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
18227 (inlining): New variable.
18228 (reg_map, label_map, insn_map, orig_asm_operands_vector,
18229 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
18231 (save_for_inline_nocopy): Don't save constants.
18232 Don't set inl_emit field in current_function.
18233 (expand_inline_function): Use emit field, not inl_emit, of the inlined
18234 function. Set new variable inlining before
18235 calling copy_rtx_and_substitute.
18236 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
18237 constant pool references if inlining is nonzero.
18238 Delete ADDRESS and (most of the) CONST cases.
18239 (output_inline_function): Save and restore current_function/
18240 current_function_decl. Delete restore_constants code. Don't call
18241 init_const_rtx_hash_table.
18242 * output.h (init_const_rtx_hash_table): Don't declare.
18243 * rtl.h (struct function): Declare.
18244 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
18245 * toplev.c (rest_of_compilation): Don't treat nested functions or
18246 functions containing them specially. Delete all code to deal with
18247 save_for_inline_copying.
18248 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
18249 inline_obstacks): Delete variables.
18250 (save_tree_status): Lose arg CONTEXT. All callers changed.
18251 Simply allocate a new function_maybepermanent_obstack for the new
18252 function, delete all the special cases.
18253 Don't save inline_obstacks.
18254 (restore_tree_status): Lose arg CONTEXT. All callers changed.
18255 Delete special handling for function_maybepermanent_obstack; simply
18257 Don't restore inline_obstacks.
18258 (permanent_allocation): Delete code that frees inline_obstacks.
18259 (print_inline_obstack_statistics): Delete function.
18260 (dump_tree_statistics): Don't call it.
18261 * varasm.c (struct varasm_status): New.
18262 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
18263 last_pool, pool_offset, const_double_chain): Delete global
18264 variables, replace with accessor macros.
18265 (immed_double_const): Don't walk const_double_chain outside a
18266 function, but don't treat nested functions specially anymore.
18267 (immed_real_const_1): Likewise.
18268 (clear_const_double_mem): Don't treat nested functions specially.
18269 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
18270 (save_varasm_status, restore_varasm_status): Delete functions.
18271 (init_varasm_status): New function.
18272 (force_const_mem): Don't treat nested functions specially.
18273 (find_pool_constant): Accept new arg F, search for constants in
18274 that function's pool rather than the current one. All callers
18276 (get_pool_constant_for_function, get_pool_mode_for_function): New
18279 * i386.c (init_386_machine_status): New function, mostly from
18280 clear_386_stack_locals.
18281 (struct machine_functions): Rename element names to avoid name
18283 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
18284 macros, replacing global variables.
18285 (clear_386_stack_locals, save_386_machine_status,
18286 restore_386_machine_status): Delete functions.
18287 (override_options): Initialize init_machine_status.
18288 * i386.h (INIT_EXPANDERS): Delete macro.
18289 (save_386_machine_status, restore_386_machine_status,
18290 clear_386_stack_locals): Delete declarations.
18292 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18294 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
18295 (doloop_begin): Simplify pattern and use emit_jump_insn.
18296 (doloop_end): Simplify pattern, switch operand order,
18297 and use emit_jump_insn.
18299 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
18301 * function.h (struct function): Add new element LANGUAGE.
18302 (save_lang_status): Declare new variable.
18303 (restore_lang_status): Likewise.
18304 * function.c (save_lang_status): Define.
18305 (restore_lang_status): Likewise.
18306 (push_function_context_to): Call language-specific save function.
18307 (pop_function_context_from): Call language-specific restore function.
18309 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18311 * i386.md (movsf_1): Check REG_P before use of REGNO.
18312 (movdf_1): Likewise.
18313 (movxf_1): Likewise.
18314 (extendsfdf2): Likewise.
18315 (extendsfxf2): Likewise.
18316 (extenddfxf2): Likewise.
18318 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18320 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
18321 constants into memory.
18322 (c4x_shiftable_constant): New function.
18323 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
18324 (c4x_shiftable_constant): Declare.
18325 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
18326 ashlqi3_noclobber): Add new patterns and associated splitters.
18328 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
18330 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
18331 * dwarf2out.c (dwarf2out_frame_init): Likewise.
18332 * final.c (shorten_branches): Likewise.
18333 * global.c (global_alloc): Likewise.
18334 * haifa-sched.c (build_control_flow): Likewise.
18335 * stmt.c (check_for_full_enumeration_handling): Likewise.
18336 (estimate_case_costs): Likewise.
18338 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
18340 * rtl.h (RTL_CHECKC2): Fix typo in last change.
18342 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
18344 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
18345 (recompute_reg_usage): Likewise.
18346 * rtlanal.c (find_regno_fusage): Likewise.
18348 * rtl.c (rtl_check_failed_code1): New function.
18349 (rtl_check_failed_code2): New.
18350 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
18351 (RTL_CHECKC1, RTL_CHECKC2): New.
18352 (XC*): New accessor macros.
18353 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
18354 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
18355 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
18356 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
18357 (TRAP_*, RANGE_INFO_*): Likewise.
18359 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18361 * Makefile.in (tlink.o): Don't depend on toplev.h.
18363 * collect2.c (c_file, o_file, export_file, import_file, ldout,
18364 output_file, nm_file_name, ldd_file_name, strip_file_name,
18365 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
18366 add_prefix, prefix_from_env, prefix_from_string, do_wait,
18367 fork_execute, maybe_unlink, add_to_list,
18368 extract_init_priority, write_list, dump_list,
18369 dump_prefix_list, write_list_with_asm, write_c_file,
18370 write_c_file_stat, write_c_file_glob, scan_prog_file,
18371 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
18372 ignore_library, extract_string, notice, dump_file, target_machine,
18373 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
18374 read_file, print_load_command): Constify a char*.
18375 (fdopen, error, fatal, fatal_perror): Don't prototype.
18376 (my_strerror): Remove. All callers use xstrerror instead.
18377 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
18378 (main): Add prototype. Constify lots of char* ptrs. Change calls
18379 to xcalloc/strcpy/strcat/... to one call to concat.
18380 (main, scan_prog_file, scan_libraries): Use an intermediate
18381 `const char **' to build an argv array.
18382 (mapfile, libselect, libcompare, locatelib): Add prototypes.
18384 * collect2.h (collect_execute, collect_wait, dump_file,
18385 file_exists): Constify a char*.
18386 (ldout, c_file_name, temporary_obstack, permanent_obstack,
18387 temporary_firstobj, vflag, debug): Add extern declarations.
18388 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
18390 * tlink.c: Don't include toplev.h.
18391 (vflag, debug, ldout, c_file_name, temporary_obstack,
18392 permanent_obstack, temporary_firstobj): Don't declare.
18393 (tlink_execute, frob_extension, symbol_hash_lookup,
18394 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
18395 recompile_files, read_repo_files, demangle_new_symbols,
18396 scan_linker_output): Constify a char*.
18397 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
18398 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
18400 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
18402 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
18403 (relative) rather than jsr (absolute) subroutine call insns.
18404 * config/m68k/m68k-coff.h: Ditto.
18406 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
18408 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
18409 now rework these too.
18410 (arm_reorg): If an insn can't reach the end of the current pool,
18411 ensure that we emit that pool before the insn.
18413 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
18415 * tlink.c (scan_linker_output): Skip the initial underscore in
18416 a mangled name if appropriate.
18418 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18420 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
18421 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
18422 error_with_ivar, gen_declarator, create_builtin_decl,
18423 my_build_string, generate_descriptor_table, generate_ivars_list,
18424 generate_dispatch_table, check_protocols, TAG_GETCLASS,
18425 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
18426 dump_base_name, lang_decode_option, build_encode_expr,
18427 start_class, finish_class, encode_pointer, really_start_method,
18428 gen_declaration, dump_interface, handle_class_ref, handle_impent):
18430 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
18431 Add static prototypes.
18432 (build_objc_string_decl, build_selector_reference_decl,
18433 encode_bitfield, build_class_reference_decl): Remove unused
18434 parameter, all callers changed.
18435 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
18436 (objc_printable_name): Likewise. Change second parameter to type int.
18437 (init_objc): Use memcpy, not bcopy, to avoid casts.
18439 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
18441 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
18442 reg notes on a deleted insn.
18443 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
18445 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
18447 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
18449 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18451 * stmt.c (expand_asm_operands): Fix index into inout_mode when
18454 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
18456 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
18457 * tm.texi (MD_ASM_CLOBBERS): Document it.
18459 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
18461 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
18462 * except.c (expand_rethrow): Remove unused variable.
18463 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
18464 * flow.c (replace_insns): Likewise.
18465 (create_edge_list, verify_edge_list): Likewise.
18466 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
18468 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
18469 is special code to run.
18470 (main): Don't define operands to emit_operand.
18471 * genrecog.c (main): Don't emit an empty peephole2_insn function.
18473 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
18475 * alpha/alpha.h (normal_memory_operand): Declare.
18476 (reg_no_subreg_operand): Declare.
18477 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
18479 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
18481 * c-parse.in (compstmt_primary_start): New, broken out of first
18482 part of compstmt handling in primary.
18483 (primary): Use it. Add an error clause.
18484 (compstmt_nostart): Renamed from compstmt; remove all
18485 initial invocations of compstmt_start.
18488 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
18490 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
18493 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
18495 * combine.c (simplify_shift_const): Remove extra semicolon.
18496 * dwarf2out.c (remove_AT): Likewise.
18497 * expmed.c (expand_mult): Likewise.
18498 * gcov.c (create_program_flow_graph): Likewise.
18499 * reorg.c (mostly_true_jump): Likewise.
18501 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
18503 * fold-const.c (fold_range_test): Do not try to fold the range
18504 test if the rhs or lhs has side effects.
18506 * combine.c (simplify_rtx): Recognize another case of a synthesized
18509 * varasm.c (mark_constant_pool): When marking indirect references,
18510 only look at SYMBOL_REFs.
18512 * except.c (expand_fixup_region_end): Do not peek at
18513 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
18515 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
18517 * flags.h: New variables align_loops, align_loops_log,
18518 align_jumps, align_jumps_log, align_labels, align_labels_log,
18519 align_functions, align_functions_log.
18520 * toplev.c: Define them.
18521 (f_options): Handle -falign-* when they have no argument.
18522 (main): Add logic to set variables for -falign-functions,
18523 -falign-jumps, -falign-labels, -falign-loops.
18524 Make it -fsched-verbose=<n> and -finline-limit=<n>.
18525 (display_help): Change help to match options.
18526 * final.c (LABEL_ALIGN): Default to align_labels_log.
18527 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
18528 (LOOP_ALIGN): Default to align_loops_log.
18529 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
18530 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
18531 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
18532 * varasm.c (assemble_start_function): Handle align_functions.
18534 * config/sparc/sparc.h: Don't declare sparc_align_*.
18535 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
18536 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
18538 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
18540 * config/sparc/sparc.c: Delete sparc_align_loops,
18541 sparc_align_jumps, sparc_align_funcs and the corresponding string
18543 (sparc_override_options): Default align_functions on ultrasparc.
18544 Delete -malign-* handling.
18546 * config/mips/mips.c (override_options): On 64-bit targets,
18547 try to align code to 64-bit boundaries.
18548 (print_operand): New substitution, %~,
18549 which aligns labels to align_labels_log.
18550 * config/mips/mips.md (div_trap_normal): Use %~.
18551 (div_trap_mips16): Likewise.
18553 (absdi2): Likewise.
18554 (ffssi2): Likewise.
18555 (ffsdi2): Likewise.
18556 (ashldi3_internal): Likewise.
18557 (ashrdi3_internal): Likewise.
18558 (lshrdi3_internal): Likewise.
18559 (casesi_internal): Likewise.
18561 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
18563 Merge new ia32 backend from the branch!
18565 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
18566 See ChangeLog.P2 on new_ia32_branch for details.
18568 * rtl.h (stack_regs_mentioned_p): Delete prototype.
18569 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
18570 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
18571 * i386/gas.h (ASM_FILE_START): Define.
18572 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
18573 for name change of ix86_valid_decl_attribute_p.
18574 (i386_pe_valid_type_attribute_p): Similarly.
18576 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
18578 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
18579 to step through CC modes.
18581 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18583 * regmove.c (fixup_match_1): Don't move INSN in front of P if
18584 it would end up in the shadow of a live flags regsiter.
18586 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18588 * reload1.c: Fix many indentation problems.
18589 * reload.c: Likewise.
18591 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
18593 * alias.c (non_local_reference_p): Constify fmt.
18595 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
18597 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
18599 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
18601 * cse.c (delete_trivially_dead_insns): Do not delete stores to
18602 the internal_arg_pointer.
18604 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
18606 Merge peephole2 from new_ia32_branch:
18607 * Makefile.in (STAGESTUFF): Add *.peephole2.
18608 (mostlyclean): Likewise.
18609 (recog.o): Depend on resource.h.
18611 * final.c (peephole): Conditionalize decl on HAVE_peephole.
18612 (final_scan_insn): Likewise for the invocation of peephole.
18613 * genconfig.c (main): Look for peephole and peephole2 patterns.
18614 Emit HAVE_peephole* accordingly.
18615 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
18616 * flags.h (flag_peephole2): Declare.
18617 * toplev.c: New pass peephole2. New flag -fpeephole2.
18619 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
18620 * gencodes.c (main): Likewise.
18621 * genextract.c (main): Likewise.
18622 * genoutput.c (main): Likewise.
18623 * genemit.c (max_operand_1): Look for the max scratch operand.
18624 (gen_rtx_scratch): New.
18625 (gen_exp): Use it, and pass on new arg subroutine_type.
18626 (gen_expand): Take max scratch into account.
18627 (gen_split): Emit peephole2 functions.
18628 (output_peephole2_scratch): New.
18629 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
18630 * genrecog.c (routine_type): Add PEEPHOLE2.
18632 (make_insn_sequence): Match outer parallel for peep2. Discard
18633 top level scratches and dups.
18634 (add_to_sequence): New args insn_type and top. Update all callers.
18635 Handle toplevel peep2 matching insns.
18636 (write_subroutine): Handle peep2.
18637 (write_tree_1): Likewise.
18638 (write_tree): Likewise.
18640 (change_state): New arg afterward. Update all callers.
18641 Handle matching separate insns.
18642 * recog.c (recog_next_insn): New.
18643 (peephole2_optimize): New.
18644 * rtl.def (DEFINE_PEEPHOLE2): New.
18645 * resource.c (find_free_register): New argument last_insn. Use it
18646 to find a register available through the entire span.
18647 * resource.h (find_free_register): Update prototype.
18649 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
18651 * i386.c (output_strlen_unroll): Don't write xops[7]
18652 label if it wasn't set.
18654 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
18656 * cpplib.c (struct directive): Const-ify name pointer and
18657 function pointer prototype.
18658 (validate_else, do_define, do_line, do_include, do_undef,
18659 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
18660 do_elif, do_endif, do_sccs, do_assert, do_unassert,
18661 do_warning): Const-ify second arg.
18662 (directive_table): Mark const. Reorder entries by frequency
18663 of usage, record statistics.
18665 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
18667 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
18668 bounds- check RTL accesses if --enable-checking.
18669 (RTVEC_ELT): Bounds check if --enable-checking.
18670 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
18671 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
18672 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
18674 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
18675 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
18677 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
18678 (NOTE_SOURCE_FILE): Use X0STR.
18679 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
18680 MEM_ALIAS_SET): Use X0INT.
18681 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
18682 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
18684 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
18685 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
18686 (rtl_check_failed_bounds, rtl_check_failed_type1,
18687 rtl_check_failed_type2, rtvec_check_failed_bounds): New
18689 (fancy_abort): Fix comment.
18691 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
18692 (cse_insn): Decrement LABEL_NUSES for jump target before
18693 deleting jump insn.
18694 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
18695 * final.c (alter_subreg): Compute regno before changing x to
18696 REG; set REGNO(x) after changing it.
18697 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
18698 notes containing CONST_INTs.
18699 (delete_eh_regions): Use NOTE_EH_HANDLER.
18700 * function.c (put_reg_into_stack): Make reg a MEM before
18702 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
18704 (gen_mem_addressof): Make reg a MEM before initializing it.
18705 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
18707 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
18708 deleting an insn, not after.
18709 (block_alloc): Only look at PATTERN(insn) if we have to, and
18710 only if it's format class 'i'.
18711 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
18712 CONST_INT before using its INTVAL.
18713 * print-rtl.c (print_rtx): Use X0STR.
18714 * regmove.c (fixup_match_1): Don't look at PATTERN of
18715 non-class-'i' insn chain elements.
18716 * reload.c (loc_mentioned_in_p): Take address of
18717 in->fld[1].rtx directly.
18718 * reload1.c (reload): Change reg to a MEM before initializing
18720 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
18722 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
18724 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
18726 * config/mips/mips.c (machine_dependent_reorg): Force a
18727 barrier to output the local constant pool if a barrier hasn't
18728 been found at a natural point in the instruction stream.
18730 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18732 * c-parse.in (language_string): Constify.
18734 * dwarf2out.c (language_string): Remove declaration.
18736 * dwarfout.c (language_string): Likewise.
18738 * toplev.c (language_string, init_parse, finish_parse): Likewise.
18740 * tree.h (language_string, init_parse, finish_parse): Declare.
18742 * i386/sun386.h (language_string): Remove declaration.
18744 * mips.h (language_string): Likewise.
18746 * nextstep.h (language_string): Likewise.
18748 * nextstep21.h (language_string): Likewise.
18750 * rs6000.c (language_string): Likewise.
18752 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18754 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
18755 (getpwd.o): Remove target.
18757 * getpwd.c: Delete file. Its in libiberty now.
18759 * dbxout.c (getpwd): Don't prototype.
18760 * dwarf2out.c (getpwd): Likewise
18761 * dwarfout.c (getpwd): Likewise
18762 * final.c (getpwd): Likewise.
18763 * protoize.c (getpwd): Likewise.
18765 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18767 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
18769 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
18771 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
18772 mark_set_resources.
18774 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
18776 * fixinc/Makefile.in (subdir): New.
18777 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
18780 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
18782 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
18783 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
18786 * invoke.texi: Fix typo.
18788 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
18789 changed. Handle autoincrement addressing modes.
18791 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
18792 just like we would the virtual incoming args register when
18795 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
18797 * rs6000.h (ASM_FILE_START): Specify complete filename, including
18798 path, in .file directive.
18800 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
18802 * gcc.texi (External Bugs): Remove obsolete note about Perl on
18805 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
18807 * stdbool.h: Make the typedef name _Bool, with bool a #defined
18810 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18812 * tree.c (tree_code_name): Constify a char*.
18814 * tree.h (tree_code_name, decl_printable_name): Likewise.
18816 * function.h (struct function): Likewise.
18818 * toplev.c (decl_name, decl_printable_name): Likewise.
18820 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
18822 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
18823 (init_objc): Remove function pointer cast.
18825 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
18827 * pa.md (interspace_jump): New pattern.
18828 (builtin_longjmp): New expander.
18830 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
18832 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
18833 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
18834 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
18836 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
18838 * jump.c (delete_prior_computation): Also check calls
18839 to constant functions. Don't bother checking for a
18840 REG_UNUSED note before adding it.
18841 (delete_computation): Handle multi-word hard registers
18842 when synthesizing missing REG_DEAD notes for a register
18843 which is both set and used by an insn.
18845 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18847 * loop.c (this_loop_info): New variable.
18848 (loop_has_call, loop_has_volatile, loop_has_tablejump,
18849 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
18851 (prescan_loop, strength_reduce): New argument loop_info. All callers
18853 (scan_loop): New variable loop_info, initialise to address of
18855 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
18856 Delete variable loop_has_multiple_exit targets and replace with
18857 field in this_loop_info.
18858 (find_and_verify_loops): Rename this_loop to this_loop_num.
18859 (strength_reduce): Delete loop_iteration_info. Replace variable
18860 loop_info with function argument of same name.
18861 (insert_bct): Rework test for loop being completely unrolled.
18863 * loop.h (struct loop_info): New fields num, loops_enclosed,
18864 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
18865 has_indirect_jump, and cont. Redefine use of unroll_number.
18866 (loop_unroll_number): Delete.
18868 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
18869 field of loop_info.
18870 (loop_iterations): Delete variable vtop and instead use
18871 loop_info->vtop computed in prescan_loop.
18873 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
18875 * fix-header.c (main): Do not pass a null pointer to strcmp.
18877 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
18879 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
18881 * configure: Rebuilt.
18883 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
18885 * jump.c (jump_optimize_1): Do not delete assignments to
18886 internal_arg_pointer.
18887 * cse.c (delete_trivially_dead_insns): Always consider a set of
18888 the internal_arg_pointer live.
18890 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
18892 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
18893 (update_life_info) [REG_WAS_0]: Search the original insns rather
18894 than the new insns for the note. Fix typos finding note_dest.
18895 If no dest found, discard the note rather than abort.
18896 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
18897 (replace_insns): Remove the old insn list after update_life_info
18900 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
18902 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
18903 sched_analyze_insn.
18904 (sched_analyze_1): Let add_dependence care for not adding dups.
18905 (sched_analyze_2): Likewise.
18906 (add_branch_dependences): Likewise.
18908 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
18910 * i386/winnt.c (export_list): New type.
18911 (exports_head): Rename to
18912 (export_head): this.
18913 (i386_pe_record_exported_symbol): Add is_data flag.
18914 (i386_pe_asm_file_end): Emit directive for exported variables.
18915 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
18917 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
18918 (ASM_DECLARE_OBJECT_NAME): Likewise.
18919 (ASM_DECLARE_FUNCTION_NAME): Likewise.
18920 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
18922 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
18924 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
18926 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
18929 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
18931 * config/openbsd.h: Define SET_ASM_OP.
18932 * tm.texi: cross-reference SET_ASM_OP in the index.
18934 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
18936 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
18937 for a CONST_DOUBLE, at compile time. Initialize rtx_length
18938 and class_narrowest_mode at compile time. Kill init_rtl.
18939 Mark rtx_length, mode_class, mode_size, mode_unit_size,
18940 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
18941 rtx_format as const. Kill all references to EXTRA_CC_MODES or
18943 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
18945 * rtl.h: Declare rtx_length and rtx_format as const.
18946 * machmode.def: Define CC(). Use CC() to define CCmode. If
18947 EXTRA_CC_MODES is defined, expand it here.
18948 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
18949 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
18950 const. Kill all references to EXTRA_CC_MODES.
18952 * toplev.c: Don't prototype or call init_rtl.
18953 * optabs.c: Don't call init_mov_optab.
18954 * genemit.c: Don't generate init_mov_optab. Don't call
18956 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
18958 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
18959 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
18960 genrecog.c: Don't call init_rtl.
18962 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
18963 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
18964 definition of EXTRA_CC_MODES.
18966 * md.texi: Kill ref to EXTRA_CC_NAMES.
18967 * tm.texi: Document new way to define EXTRA_CC_MODES.
18969 * genrecog.c: Do not look up the name of a define_split.
18970 (Unrelated bugfix.)
18972 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
18974 * config/v850/v850.md: Fix typo introduced by previous delta.
18976 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18978 * gcc.c (fatal): Make definition static to match prototype.
18980 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18982 * combine.c (get_last_value): Don't look for earlier sets if the last
18983 known set is somewhere in between the insns being combined.
18985 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
18987 * configure.in: Don't use shell ! to negate exit codes
18988 * configure: Regenerate
18990 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
18992 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
18993 the fact that ALIGN is measured in bits, not bytes.
18995 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
18997 * errors.c: New file; defines functions error, warning, and
18998 fatal, variables have_error and progname.
18999 * errors.h: New file; prototypes and decls for stuff in errors.c.
19001 * Makefile: Add rules to build errors.o and
19002 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
19003 genopinit, genrecog, genextract, genpeep, genattr, and
19004 genoutput with errors.o. Add errors.h to deps of genconfig.o,
19005 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
19006 genpeep.o, genattr.o, and genoutput.o.
19008 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
19009 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
19010 define or prototype fatal. Set progname at beginning of main.
19011 * genoutput.c: Likewise, and don't define or prototype error
19014 * c-typeck.c (c_expand_start_case): Return immediately if exp
19016 * fold-const.c (operand_equal_p): Return immediately if arg1
19017 or arg0 are ERROR_MARKs.
19018 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
19019 fields of type ERROR_MARK when calculating if the record can
19022 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
19023 with much help from Jeffrey A Law and Richard Henderson
19025 * i386.md: In the 6 insns which call output_fix_trunc,
19026 earlyclobber operands[0].
19028 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
19030 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
19031 creating new registers.
19033 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
19035 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
19036 i386_reg_alloc_order, i386_regparm_string,
19037 i386_align_loops_string, i386_align_jumps_string,
19038 i386_align_funcs_string, i386_preferred_stack_boundary_string,
19039 and i386_branch_cost_string as type "const char *".
19040 * i386.c: Define all above strings as type "const char *".
19042 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
19044 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
19045 when emitting alignment padding. Emit padding byte of 0 instead of 4.
19047 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19049 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
19050 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
19052 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
19054 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
19055 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
19056 (dwarf2out_line, dwarf2out_finish): Likewise.
19057 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
19059 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
19061 * tree.c (lang_unsave_expr_now) : Correct return type.
19062 * tree.h (lang_unsave_expr_now) : Same.
19064 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
19066 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
19067 instead of duplicating code.
19069 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19071 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
19073 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
19075 * tree.h: fancy_abort always takes three args.
19076 * resource.c: Move include of system.h before toplev.h.
19078 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
19080 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
19083 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
19085 * system.h: Don't redefine abort or trim_filename.
19086 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
19087 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
19088 whether or not __FUNCTION__ is available.
19089 * tree.h: Duplicate rtl.h's definition of abort, for files
19090 that don't include rtl.h. Delete all code to perform type
19091 checking with a compiler other than GCC.
19092 * varray.h: Delete all code to perform type checking with a
19093 compiler other than GCC. Make VARRAY_CHECK() always evaluate
19094 its arguments exactly once, using a statement expression.
19095 Adjust the VARRAY_<type> accessor macros to match.
19096 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
19097 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
19098 caller's location. Define fatal_insn and fatal_insn_not_found
19099 as macros that use _fatal_insn and _fatal_insn_not_found.
19100 (fancy_abort, trim_filename): Kill prototypes.
19102 * rtl.c (trim_filename): Move here from toplev.c.
19103 (fancy_abort): New function.
19104 (DIR_SEPARATOR): Provide default definition.
19105 * tree.c (tree_check_failed, tree_class_check_failed): Go
19106 through fancy_abort.
19107 (tree_check, tree_class_check, cst_or_constructor_check,
19108 expr_check): Delete.
19109 * varray.c (varray_check_failed): New function.
19110 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
19111 _fatal_insn and _fatal_insn_not_found. Go through
19113 (trim_filename, fancy_abort): Delete.
19115 * builtins.c (expand_builtin_args_info): Report ICE with abort.
19116 * except.c (start_catch_handler): Report ICE with error/abort
19118 * final.c (output_operand_lossage): Likewise.
19119 * flow.c (verify_flow_info): Likewise.
19121 * gcc.c: Prototype fatal.
19122 * gengenrtl.c: Undef abort after including rtl.h not system.h.
19123 * genattr.c, genattrtab.c, genemit.c, genextract.c,
19124 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
19125 Don't define fancy_abort.
19127 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
19129 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
19132 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
19134 * m88k.h (VERSION_INFO2): Kill.
19135 (VERSION_STRING): Kill.
19137 (VERSION_INFO1): Tidy.
19138 (TARGET_VERSION): Update.
19139 * m88k/dgux.h (VERSION_INFO2): Kill.
19140 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
19141 * m88k/luna.h (VERSION_INFO1): Tidy.
19142 * m88k/sysv4.h (VERSION_INFO1): Likewise.
19143 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
19144 (output_file_start): Adjust for death of VERSION_STRING.
19146 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
19148 * cpplib.c (detect_if_not_defined): New function.
19149 (do_if): Use it to detect potential once-only headers.
19151 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
19153 * c-common.c (combine_strings): Always set TREE_CONSTANT.
19155 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
19157 * combine.c (nonzero_bits) : Allow single-ly set registers to be
19158 anywere in the function only if they are pseudos and set before
19159 being used (not live at the start of the function).
19160 (num_sign_bit_copies) : Same.
19161 (get_last_value_validate) : Same.
19162 (get_last_value) : Same.
19164 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
19166 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
19167 where N and M are constant and N is an integer multiple of M.
19169 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19171 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
19172 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
19173 sbitmap_union_of_preds): Add prototypes.
19174 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
19175 the intersection of successors with the new flow graph structures.
19176 (sbitmap_intersection_of_preds): New function to compute the
19177 intersection of predecessors with the new flow graph structures.
19178 (sbitmap_union_of_succs): New function to compute the union of
19179 successors with the new flow graph structures.
19180 (sbitmap_union_of_preds): New function to compute the union of
19181 predecessors with the new flow graph structures.
19182 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
19183 (expr_reaches_here_p): Use edge and basic_block structures instead
19184 of s_preds and s_succs.
19185 (compute_cprop_avinout): Use new sbitmap routines.
19186 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
19187 of s_preds and s_succs.
19188 * flow.c (compute_flow_dominators): Compute dominators using
19189 edges and basic blocks instead of s_preds and s_succs.
19191 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19193 * lists.c (unused_insn_list, unused_expr_list): New file for
19194 maintaining various types of lists. New statics for maintaining a
19195 cache of available INSN_LIST and EXPR_LIST nodes.
19196 (free_list): Static function for freeing a list of INSN/EXPR nodes.
19197 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
19198 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
19199 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
19200 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
19201 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
19202 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
19203 (free_INSN_LIST_node): Free an individual INSN_LIST node.
19204 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
19205 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
19206 (remove_dependence, free_pending_lists): Use new global routines.
19207 (flush_pending_lists, sched_analyze_insn): Use new global routines.
19208 (sched_analyze, compute_block_backward_dependences): Use new routines.
19209 (sched_analyze_1, sched_analyze_2): Use new routines.
19210 (schedule_insns): Use new global routines.
19211 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
19213 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
19214 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
19216 * toplev.c (rest_of_compilation): Initialize node cache.
19217 * Makefile.in (OBJS): Add lists.o to list of object files.
19218 (lists.o): Add dependancies.
19220 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
19222 * config/v850/v850.md: Fix compile time warning messages.
19223 * config/v850/v850.c: Fix compile time warning messages.
19224 * config/v850/v850.h: Fix compile time warning messages.
19226 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19228 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
19229 Remove unused prototype for `init_lengths'.
19231 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19233 * calls.c (emit_call_1): Mark parameter `stack_size' with
19235 (expand_call): Initialize variable `insn'.
19236 (emit_library_call): Likewise for variable `high_to_save'.
19237 (emit_library_call_value): Likewise.
19238 (store_one_arg): Likewise for variables `lower_bound' and
19241 * combine.c (try_combine): Likewise for variables `i2_code_number'
19242 and `other_code_number'.
19243 (find_split_point): Likewise for variables `pos', `unsignedp' and
19245 (simplify_if_then_else): Likewise for variables `op' and `c1'.
19246 (simplify_and_const_int): Remove unused variable `width'.
19247 (merge_outer_ops): Likewise.
19249 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
19250 HOST_WIDE_INT' when comparing against one.
19251 (simplify_relational_operation): Likewise.
19252 (cse_insn): Initialize variables `src_eqv_volatile',
19253 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
19255 * final.c (init_final): Constify parameter `filename'.
19256 (final_start_function): Mark parameter `optimize' with
19258 (profile_function): Likewise for parameters `first' and `optimize'.
19259 (output_source_line): Likewise for parameter `file'.
19261 * integrate.c (subst_constants): Cast a value to `size_t' when
19262 comparing against one.
19263 (mark_stores): Initialize variable `mode'. Cast a value to
19264 `size_t' when comparing against one.
19266 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
19268 * loop.c (move_movables): Initialize variable `first'.
19269 (strength_reduce): Likewise for variable `increment'.
19270 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
19271 value to `size_t' when comparing against one.
19272 (load_mems): Initialize variable `end_label'.
19274 * output.h (init_final): Constify parameter.
19276 * reload.c (decompose): Initialize variable `base'.
19278 * reload1.c (reload): Likewise for variable `is_scalar'.
19279 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
19280 (choose_reload_regs): Initialize variable `mode'.
19281 (emit_reload_insns): Likewise for variable `store_insn'.
19282 (reload_cse_noop_set_p): Mark parameter `insn' with
19284 (reload_combine): Initialize variable `set'.
19286 * unroll.c (unroll_loop): Likewise for variable `local_label'.
19287 (copy_loop_body): Cast a value to `size_t' when comparing against
19290 * varasm.c (assemble_variable): Initialize variable `size_tree'.
19291 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
19292 (remove_from_pending_weak_list): Mark parameter `name' with
19295 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19297 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
19300 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
19302 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
19303 (ASM_DECLARE_FUNCTION_NAME): Define.
19304 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
19305 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
19306 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
19307 not already defined.
19309 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
19311 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
19312 of n_popped when call/call_value are not defined.
19314 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
19316 * tm.texi: GNU CC -> GCC conversion.
19317 (CC1_SPEC): Indicate it is used for all language front ends.
19319 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
19321 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
19322 NOTE_INSN_EH_REGION_END correctly.
19324 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
19325 Jeff Law <law@cygnus.com>
19327 * loop.c (strength_reduce): Automatically unroll loops if the
19328 unrolled loop size is smaller than the rolled loop size.
19330 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
19331 and delete comment that code should be rewritten.
19333 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
19335 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
19338 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
19340 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
19342 * fixinc/mkfixinc.sh: Don't fix uwin headers.
19343 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
19344 (LINK_SPEC): Add -u _main when building executables.
19345 (ASM_DECLARE_FUNCTION): Update from Cygwin.
19346 (ASM_FILE_END): Use the default for ix86-pe.
19347 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
19349 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
19351 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
19352 and ASM_CLOSE_PAREN are empty strings.
19354 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
19355 Geoffrey Keating <geoffk@cygnus.com>
19357 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
19358 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
19359 (unprotoize.o): Ditto.
19360 (test-protoize-simple): Don't define STD_PROTO_DIR.
19361 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
19362 changes to make 'test-protoize-simple' pass.
19363 (STD_PROTO_DIR): Remove define.
19364 (STANDARD_EXEC_PREFIX): Supply default define.
19365 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
19366 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
19367 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
19368 (GET_ENV_PATH_LIST): New macro.
19369 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
19370 (do_processing): Initialize default_syscalls_dir using new
19371 macros. Use it to initialize syscalls_absolute_filename.
19373 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
19375 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
19376 B into a register before emit_conditional_move.
19378 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
19380 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
19381 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
19382 multiplicand out of (+ (* a b) (* c d)).
19384 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
19385 Richard Henderson <rth@cygnus.com>
19387 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
19388 (new_insn_dead_notes): Likewise.
19389 (update_n_sets): Likewise.
19390 (update_flow_info): Move to flow.c, renamed to update_life_info;
19391 extend to handle multiple source insns.
19392 * flow.c: Include resource.h
19393 (unlink_insn_chain): New.
19394 (split_hard_reg_notes): New.
19395 (maybe_add_dead_note): New.
19396 (maybe_add_dead_note_use): New.
19397 (find_insn_with_note): New.
19398 (new_insn_dead_notes): New.
19399 (update_n_sets): New.
19400 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
19401 (maybe_remove_dead_notes): New.
19402 (update_life_info): New.
19403 (prepend_reg_notes): New.
19404 (replace_insns): New.
19405 * output.h (update_life_info): Declare.
19406 * recog.c (split_block_insns): Use update_life_info.
19407 * resource.c (find_free_register): Use reg_alloc_order, don't use
19408 fixed regs, make sure the mode is supported, don't use new regs.
19410 * rtl.h (replace_insns): Declare.
19412 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
19414 * expr.c (expand_expr): Cope with COND_EXPRs with one
19415 non-returning branch.
19417 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
19419 * expr.c (store_expr): Always pass down the target, even when not
19422 1999-08-24 Nick Clifton <nickc@cygnus.com>
19424 * configure.in: Define target_cpu_default for v850 targets.
19425 * configure: Regenerate
19427 * config/v850/v850.h (TARGET_CPU_generic): Define.
19428 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
19429 addresses are 4 byte aligned.
19431 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
19434 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19436 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
19437 (main): Add prototypes.
19439 * genattrtab.c (substitute_address, write_const_num_delay_slots,
19440 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
19441 (write_attr_get): Emit prototypes along with function definition.
19442 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
19443 (write_complex_function): Emit static prototype along with
19444 function definition.
19446 * genemit.c (gen_split): Emit prototypes along with function
19449 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
19450 Likewise for predicates and `insn_operand_predicate'.
19451 (process_template): Emit static prototype along with function
19454 * genrecog.c (make_insn_sequence): Constify a char*. Add
19455 prototypes for get_split_*().
19456 (write_subroutine): Emit prototypes along with function
19459 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19461 * gcse.c (find_avail_set): Follow chains of register-register copies.
19462 Use oprs_not_set_p to guarantee that the returned value can be
19464 (cprop_insn): Don't verify the return value of find_avail_set with
19467 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
19468 (cprop_cc0_jump): New function.
19469 (cprop_insn): Break out new function cprop_jump and use it.
19470 Also use cprop_cc0_jump for machines with CC0.
19471 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
19473 * tree.h (current_function_calls_setjmp,
19474 current_function_calls_longjmp): Delete declarations.
19475 * dsp16xx.c: Include "function.h".
19476 * elxsi.c: Likewise.
19477 * gmicro.c: Likewise.
19478 * h8300.c: Likewise.
19479 * i370.c: Likewise.
19480 * m32r.c: Likewise.
19481 * mn10200.c: Likewise.
19482 * mn10300.c: Likewise.
19483 * ns32k.c: Likewise.
19484 * spur.c: Likewise.
19485 * v850.c: Likewise.
19487 * rtl.h (rtx_equal_function_value_matters): Declare.
19488 * toplev.c (rtx_equal_function_value_matters): Don't declare.
19490 * function.c: Likewise.
19491 * emit-rtl.c: Likewise.
19493 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
19495 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
19498 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
19500 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
19503 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
19505 * cpp.texi: Add a node documenting macro varargs (copied
19508 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
19510 * cppspec.c: Put a null pointer at the end of the new argv.
19512 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
19514 * configure.in: Remove code to select/de-select the haifa
19515 scheduler. Every scheduled port gets haifa now.
19516 * configure: Rebuilt.
19517 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
19519 * Makefile.in: Corresponding changes.
19521 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19523 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
19524 All callers changed.
19525 (prepare_float_lib_cmp): Likewise.
19526 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
19527 * expr.h (emit_float_lib_cmp): Delete declaration.
19528 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
19529 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
19530 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
19532 (cmptf): Now conditional on TARGET_HARD_QUAD.
19534 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
19536 * resource.c (mark_target_live_regs): Use
19537 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
19539 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19541 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
19543 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
19545 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
19547 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19549 * rtl.h (rtx_format): Constify a char*.
19551 * rtl.c (rtx_format): Likewise.
19552 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
19553 (init_rtl): Use accessor macro, not `rtx_format'.
19555 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
19558 * caller-save.c (mark_referenced_regs): Likewise.
19560 * combine.c (subst, make_compound_operation, known_cond,
19561 gen_rtx_combine, update_table_tick, get_last_value_validate,
19562 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
19564 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
19565 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
19566 count_reg_usage): Likewise.
19568 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
19571 * final.c (leaf_renumber_regs_insn): Likewise.
19573 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
19574 dump_edge_info, count_reg_references): Likewise.
19576 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
19577 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
19580 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
19581 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
19582 add_label_notes): Likewise.
19584 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
19585 clear_struct_flag, count_sub_rtxs, count_alternatives,
19586 compares_alternatives_p, contained_in_p, walk_attr_value,
19587 write_expr_attr_cache): Likewise.
19589 * genconfig.c (walk_insn_part): Likewise.
19591 * genemit.c (max_operand_1, gen_exp): Likewise.
19593 * genextract.c (walk_rtx): Likewise.
19595 * genflags.c (num_operands): Likewise.
19597 * genoutput.c (scan_operands): Likewise.
19599 * genpeep.c (match_rtx): Likewise.
19601 * genrecog.c (add_to_sequence): Likewise.
19603 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
19606 * integrate.c (save_constants, copy_for_inline,
19607 copy_rtx_and_substitute, subst_constants, restore_constants):
19610 * jump.c (mark_jump_label, invert_exp, redirect_exp,
19611 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
19613 * local-alloc.c (contains_replace_regs, memref_referenced_p):
19616 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
19617 add_label_notes, replace_call_address, count_nonfixed_reads,
19618 invariant_p, find_single_use_in_loop, find_mem_givs,
19619 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
19622 * print-rtl.c (reg_names, print_rtx): Likewise.
19624 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
19626 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
19627 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
19628 print_blocks): Likewise.
19630 * regclass.c (fix_register, record_address_regs,
19631 reg_scan_mark_refs): Likewise.
19633 * regmove.c (stable_but_for_p): Likewise.
19635 * reload.c (loc_mentioned_in_p, operands_match_p,
19636 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
19637 copy_replacements, refers_to_regno_for_reload_p,
19638 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
19639 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
19642 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
19643 delete_address_reloads_1, count_occurrences,
19644 reload_cse_mem_conflict_p, reload_combine_note_use,
19645 add_auto_inc_notes): Likewise.
19647 * resource.c (mark_referenced_resources, mark_set_resources):
19650 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
19651 reg_mentioned_p, regs_set_between_p, modified_between_p,
19652 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
19653 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
19654 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
19655 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
19657 * sched.c (sched_analyze_2, attach_deaths): Likewise.
19659 * stupid.c (stupid_mark_refs): Likewise.
19661 * unroll.c (remap_split_bivs): Likewise.
19663 * varasm.c (mark_constants): Likewise.
19665 * a29k/a29k.c (uses_local_reg_p): Likewise.
19667 * alpha/alpha.c (summarize_insn): Likewise.
19669 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
19670 eliminate_lr2ip): Likewise.
19672 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
19674 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
19675 reg_mentioned_in_mem): Likewise.
19677 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
19678 symbolic_reference_mentioned_p): Likewise.
19680 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
19682 * sh/sh.c (regs_used, mark_use): Likewise.
19684 * vax/vax.c (vax_rtx_cost): Likewise.
19686 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19688 * machmode.h (mode_name): Constify a char*.
19690 * rtl.c (mode_name): Likewise.
19692 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
19694 * optabs.c (init_libfuncs): Constify a char*.
19696 * print-tree.c (mode_name): Remove redundant declaration.
19697 (print_node): Use accessor macro, not `mode_name'.
19699 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
19701 (new_spill_reg): Constify a char*.
19703 * tree.c (mode_name): Remove redundant declaration.
19705 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19707 * rtl.c (rtx_name): Constify a char*.
19709 * rtl.h (rtx_name, fix_sched_param): Likewise.
19711 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
19712 (mypr): Use accessor macro, not `rtx_name'.
19714 * genemit.c (print_code): Constify a char*.
19716 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
19718 * genpeep.c (print_code): Constify a char*.
19720 * genrecog.c (print_code): Likewise.
19722 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
19723 end_bb): Add static prototype.
19724 (draw_edge): Constify a char*.
19725 (end_bb): Remove unused parameter.
19727 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
19728 print_block_visualization): Constify a char*.
19730 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
19732 * c-common.c (c_get_alias_set): Update comment.
19734 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19736 * linux.h (LIB_SPEC): Added.
19738 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19740 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
19742 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
19744 * tree.c (expr_check): Fix typo in last change.
19746 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
19748 * rtl.def (NOTE): Change format to "iuu0n".
19749 (ADDR_DIFF_VEC): Change format to "eEee0".
19750 (ADDRESSOF): Change format to "eit".
19752 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
19753 (RTVEC_ELT): Change to match.
19754 (XVECEXP): Use XVEC and RTVEC_ELT.
19755 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
19756 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
19757 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
19758 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
19759 TRAP_CONDITION, TRAP_CODE): Use XEXP.
19760 (INTVAL): Use XWINT.
19761 (ADDRESSOF_DECL): Use XTREE.
19762 (SET_ADDRESSOF_DECL): Delete.
19763 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
19764 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
19765 ifdefed out since 2.6 at least.
19766 (gen_rtvec_vv): Delete prototype.
19768 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
19770 (copy_most_rtx): Handle 't' format letter.
19771 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
19772 (gen_rtvec_vv): Delete function. All callers changed to use
19773 gen_rtvec_v instead.
19774 * print-rtl.c (print_rtx): Move special casing of NOTEs to
19775 the '0' format letter.
19777 * function.c (gen_mem_addressof): Don't use
19778 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
19780 * integrate.c (copy_rtx_and_substitute): Likewise.
19781 Copy 't' slots with XTREE.
19782 (subst_constants): Treat 't' slots like '[swi]' slots.
19783 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
19784 * jump.c (rtx_equal_for_thread_p): Likewise.
19785 * rtlanal.c (rtx_equal_p): Likewise.
19786 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
19787 only four arguments.
19788 * gengenrtl.c (type_from_format): Provide correct types for
19792 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
19793 If a recent gcc is in use (always in stage2 and beyond), use
19794 statement expressions, so we don't make a function call unless
19795 the check fails. Evaluate arguments exactly once.
19796 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
19797 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
19799 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
19800 they evaluate their arguments exactly once, irrespective of
19801 the compiler in use.
19803 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
19804 is used by the currently-enabled check macros. This is:
19805 (tree_check_failed, tree_class_check_failed): For gcc.
19806 (tree_check, tree_class_check, cst_or_constructor_check,
19807 expr_check): For other compilers.
19809 * gencheck.c: Do not define any *_CHECK1 macros.
19811 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
19812 Mark Mitchell <mark@codesourcery.com>
19814 * c-common.c (c_get_alias_set): Fix support for poitners and
19817 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
19819 * alias.c: Include tree.h.
19820 (nonlocal_reference_p, mark_constant_function): New functions.
19821 * flow.c (life_analysis): Call mark_constant_function.
19822 * rtl.h (mark_constant_function): Declare it.
19824 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
19826 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
19827 unrecognisable switches.
19829 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19831 * loop.c (recombine_givs): Set ix field after sorting.
19832 (recombine_givs): Remove bogus index / giv lockstep looping.
19834 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19836 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
19838 (emit_store_flag_force): Use do_compare_rtx_and_jump.
19839 (do_cmp_and_jump): Formatting fixes.
19840 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
19841 do_compare_rtx_and_jump instead of compare_from_rtx.
19842 (do_compare_rtx_and_jump): New function; mostly copied from
19844 (do_jump_for_compare): Delete.
19845 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
19847 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
19848 of compare/do_jump_for_compare pairs.
19849 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
19850 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
19851 compare_from_rtx/do_jump_for_compare pairs.
19852 (do_jump_by_parts_equality): Likewise.
19853 (do_jump_by_parts_equality_rtx): Likewise.
19854 * expr.h (do_compare_rtx_and_jump): Declare.
19855 * optabs.c (prepare_cmp_insn): New function, contains most of the code
19856 that used to be in emit_cmp_insn.
19857 (cmp_available_p): New function.
19858 (prepare_operand): New function.
19859 (emit_cmp_and_jump_insn_1): New function, contains some code that used
19860 to be in emit_cmp_insn.
19861 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
19862 parameters to be pointers; don't emit final compare but modify some of
19863 the values pointed to by the args so the caller can perform the
19864 correct comparison.
19865 (expand_binop): Call emit_store_flag_force with signed forms of
19867 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
19868 emit_jump_insn pair.
19869 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
19870 emit_cmp_and_jump_insn_1. Call emit_queue.
19871 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
19873 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
19874 jump sets cc0 before deleting it.
19875 * integrate.c (expand_inline_function): Likewise.
19876 * unroll.c (unroll_loop): Similar changes in several places.
19877 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
19878 before deleting it.
19880 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19882 * Makefile.in (insn-recog.o): Update dependencies.
19883 * genrecog.c (main): Make generated file include "function.h".
19885 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
19887 * cse.c (cse_insn): Call never_reached_warning when a jump is
19888 changed to be unconditional.
19889 * flags.h: Declare warn_notreached.
19890 * flow.c (delete_block): Call never_reached_warning when
19891 a block is deleted.
19892 * jump.c (delete_barrier_successors): Call never_reached_warning
19893 when we delete everything after a BARRIER.
19894 (never_reached_warning): New function.
19895 * rtl.h: Declare never_reached_warning.
19896 * toplev.c (warn_notreached): New variable.
19897 (lang_independent_options): Set warn_notreached
19898 when -Wunreachable-code.
19899 (compile_file): We need line numbers for -Wunreachable-code.
19901 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
19903 * haifa-sched.c (insn_unit): Fix typo on out of range test.
19904 * sched.c (insn_unit): Likewise.
19906 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
19908 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
19910 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19912 * flow.c (create_edge_list): Use xmalloc, not malloc.
19914 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
19916 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
19917 C-style comments. Do not lose the character before double slash.
19919 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19921 * basic-block.h (struct edge_list): Stucture to maintain a vector
19923 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
19924 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
19925 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
19926 New function prototypes.
19927 * flow.c (create_edge_list): Function to create an edge list.
19928 (free_edge_list): Discards memory used by an edge list.
19929 (print_edge_list): Debug output showing an edge list.
19930 (verify_edge_list): Internal consistency check for an edge list.
19931 (find_edge_index): Function to find an edge index for a pred and succ.
19933 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
19935 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
19938 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
19940 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
19942 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
19944 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
19946 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
19948 * toplev.c (rest_of_compilation): Allow machine dependent
19949 reorganisation pass to place information into the RTL dump
19950 file if it so wishes.
19952 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
19954 * explow.c (hard_function_value): Use VOIDmode instead of
19956 * stmt.c (expand_return): Likewise.
19957 * stor-layout.c (get_best_mode): Likewise.
19959 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
19960 emit call instead of emit_insn call.
19962 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
19964 * configure.in: Handle --disable/enable-win32-registry.
19965 * install.texi: Document --disable/enable-win32-registry.
19966 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
19967 (WIN32_REGISTRY_KEY): New macro.
19968 * prefix.c: Use to enable/disable win32-specific code.
19969 (lookup_key): Use versioned key.
19970 * configure: Regenerate.
19971 * config.in: Likewise.
19973 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
19975 * cpplib.c (read_line_number): New fn, split out of...
19978 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19980 tree.c (lang_unsave_expr_now) : New.
19981 (unsave_expr_now): Call lang_unsave_expr_now.
19982 tree.h (lang_unsave_expr_now) : New.
19984 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
19986 * toplev.c (flag_new_exceptions): On by default.
19988 1999-08-13 Michael Meissner <meissner@cygnus.com>
19990 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
19992 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19994 * dwarfout.c (fundamental_type_code): Return FT_boolean for
19995 INTEGER_TYPE with precision==1, it's __java_boolean.
19997 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19999 * global.c (prune_preferences): Move some invariants out of the
20002 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
20004 * configure.in (alpha*-dec-osf*): Add osf5.
20006 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
20008 * configure.in: Rework handling of ARM GNU/Linux slightly.
20009 (arm*-*-linux-gnuoldld): New target.
20010 * configure: Regenerate.
20011 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
20012 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
20013 * config/arm/linux-oldld.h: New file.
20014 * config/arm/linux-elf26.h: Don't include linux-elf.h.
20015 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
20017 * config/arm/linux-elf.h (ASM_SPEC): Define.
20018 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
20019 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
20020 for 26-bit APCS and old linker.
20021 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
20023 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
20024 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
20025 don't define `arm' or `arm_elf'.
20026 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
20027 MULTILIB_DIRNAMES): Define. Fix typo in comment.
20029 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
20031 * rtl.texi: Fix typo.
20033 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
20035 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
20037 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
20039 * extend.texi (C++ Signatures): Remove node.
20040 * invoke.texi: Remove discussion of -fhandle-signatures,
20041 signature, sigof, __signature__, and __sigof__.
20043 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
20045 * Makefile.in (JAVAGC): Removed.
20047 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
20049 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
20051 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
20053 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
20055 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
20057 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
20058 a register that is already known to be a pointer.
20060 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
20062 * fixinc/inclhack.tpl: Only install assert.h conditionally.
20063 * fixinc/inclhack.sh: Regenerated.
20064 * fixinc/fixincl.sh: Regenerated.
20066 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
20068 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
20069 Fix documentation of -ansi flag to describe its C++ behavior.
20070 Remove bogus reference to GCC 2.9.
20072 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
20074 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
20075 note if it is non-NULL.
20077 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20079 * except.h (eh_nesting_info): Add new structure defintion.
20080 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
20081 (reachable_handlers, update_rethrow_references): Add function
20083 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
20084 a rethrow symbol instead of an integer exception region number.
20085 * flow.c (Make_edges): Use new exception nesting routines to determine
20086 which handlers are reachable from a CALL or asynchronous insn.
20087 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
20089 (delete_eh_regions): Update rethrow labels, and don't delete
20090 regions which are the target of a rethrow.
20091 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
20092 avoid overloading the SYMBOL_REF_USED flag.
20093 (rethrow_symbol_map): Use new rethrow_ref field.
20094 (rethrow_used): Use new rethrow_ref field.
20095 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
20096 of an integer. Fix formatting.
20097 (output_exception_table_entry): Use new rethrow_ref field.
20098 (can_throw): Check for EH_REGION_NOTE before deciding
20099 whether a CALL can throw or not.
20100 (scan_region): Call rethrow_used() instead of accessing data structure.
20101 (update_rethrow_references): New function to make sure only regions
20102 which are still targets of a rethrow are flagged as such.
20103 (process_nestinfo): New static function to initialize a handler
20104 list for a specific region.
20105 (init_eh_nesting_info): New function to allocate and initialize
20106 the list of all EH handlers reachable from all regions.
20107 (reachable_handlers): New function to retrieve the list of handlers
20108 reachable from a specific region and insn.
20109 (free_eh_nesting_info): New function to dispose of a list of
20110 reachable handlers.
20112 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20114 * flow.c (split_edge): Set JUMP_LABEL field.
20115 (commit_one_edge_insertion): Set head correctly for insert_before.
20116 When inserting insns, update insn block numbers if allocated.
20118 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20120 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
20121 retry_incomplete_types): Add static prototype.
20122 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
20123 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
20124 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
20125 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
20126 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
20129 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
20130 dwarf2out_start_source_file, dwarf2out_line): Likewise.
20132 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20134 * output.h (assemble_name): Constify a char*.
20136 * varasm.c (UNIQUE_SECTION, assemble_start_function,
20137 assemble_variable, assemble_name): Likewise.
20139 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
20141 * arm/pe.c (arm_pe_unique_section): Likewise.
20143 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
20145 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
20147 * i386/interix.c (i386_pe_unique_section): Likewise.
20149 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
20151 * i386/winnt.c (i386_pe_unique_section): Likewise.
20153 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
20155 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
20157 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
20159 * pa/pa.c (output_call): Likewise.
20161 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
20163 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
20165 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
20168 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
20171 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
20173 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
20174 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
20176 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
20178 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20180 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
20182 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20184 * tree.h (lang_identify): Constify a char*.
20185 (print_error_function): Add extern prototype. Constify a char*.
20187 * c-lang.c (lang_identify): Constify a char*.
20189 * objc/objc-act.c (lang_identify): Constify a char*.
20191 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20193 * genpeep.c (main): Make generated file include "function.h".
20194 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
20196 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20198 * Makefile.in: Update dependencies.
20199 * alias.c: Include "function.h"
20200 * c-decl.c: Likewise.
20201 * caller-save.c: Likewise.
20202 * calls.c: Likewise.
20203 * combine.c: Likewise.
20205 * explow.c: Likewise.
20206 * final.c: Likewise.
20207 * global.c: Likewise.
20208 * graph.c: Likewise.
20209 * local-alloc.c: Likewise.
20210 * loop.c: Likewise.
20211 * optabs.c: Likewise.
20212 * profile.c: Likewise.
20213 * recog.c: Likewise.
20214 * regclass.c: Likewise.
20215 * regmove.c: Likewise.
20216 * reload.c: Likewise.
20217 * reorg.c: Likewise.
20218 * resource.c: Likewise.
20219 * sched.c: Likewise.
20220 * stupid.c: Likewise.
20221 * config/1750a/1750a.c: Likewise.
20222 * config/a29k/a29k.c: Likewise.
20223 * config/arc/arc.c: Likewise.
20224 * config/arm/arm.c: Likewise.
20225 * config/arm/thumb.c: Likewise.
20226 * config/c4x/c4x.c: Likewise.
20227 * config/clipper/clipper.c: Likewise.
20228 * config/convex/convex.c: Likewise.
20229 * config/fx80/fx80.c: Likewise.
20230 * config/i860/i860.c: Likewise.
20231 * config/m68k/m68k.c: Likewise.
20232 * config/m88k/m88k.c: Likewise.
20233 * config/mips/mips.c: Likewise.
20234 * config/pdp11/pdp11.c: Likewise.
20235 * config/pyr/pyr.c: Likewise.
20236 * config/romp/romp.c: Likewise.
20237 * config/sh/sh.c: Likewise.
20238 * config/tahoe/tahoe.c: Likewise.
20239 * config/vax/vax.c: Likewise.
20240 * config/we32k/we32k.c: Likewise.
20241 * config/sparc/sparc.c: Include "function.h".
20242 (mem_min_alignment): Test current_function rather than
20243 regno_pointer_align.
20244 * config/pa/pa.c: Likewise.
20245 (compute_frame_size): Delete declaration of
20246 current_function_outgoing_args_size.
20247 * config/arc/arc.h (current_function_varargs): Delete declaration.
20248 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
20250 * config/i370/i370.h (current_function_outgoing_args_size): Delete
20252 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
20253 current_function_uses_pic_offset_table.
20254 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
20255 of current_function_returns_pointer.
20256 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20257 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20258 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20259 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20260 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20261 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20262 * config/m88k/m88k.c: Include "function.h"
20263 (call_used_regs, current_function_pretend_args_size,
20264 current_function_outgoing_args_size, frame_pointer_needed): Delete
20266 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
20268 * config/mips/mips.h (current_function_calls_alloca): Delete
20270 * config/mn10200/mn10200.h (current_function_needs_context,
20271 rtx_equal_function_value_matters): Delete declarations.
20272 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
20273 flag_pic): Delete declarations.
20274 * config/pa/pa.h (current_function_pretend_args_size,
20275 current_function_decl): Delete declarations.
20276 * config/pa/som.h (current_function_varargs): Delete declaration.
20277 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
20279 * config/pyr/pyr.h (current_function_pretend_args_size,
20280 current_function_args_size, current_function_calls_alloca): Delete
20282 * config/sh/sh.h (current_function_varargs): Delete declaration.
20283 * config/sparc/sparc.h (current_function_outgoing_args_size,
20284 current_function_calls_alloca, current_function_decl): Delete
20286 * config/spur/spur.h (current_function_pretend_args_size,
20287 current_function_calls_alloca): Delete declarations.
20288 * config/v850/v850.c (current_function_outgoing_args_size): Delete
20290 * config/vax/vms.h (current_function_name): Delete declaration.
20291 * gcse.c: Include "function.h".
20292 (current_function_name, current_function_calls_setjmp): Delete
20294 * haifa-sched.c: Include "function.h".
20295 (forced_labels): Delete declaration.
20296 * jump.c: Likewise.
20297 * reg-stack.c: Likewise.
20298 * reload1.c: Likewise.
20299 * genemit.c (main): Make generated file include function.h.
20300 * genoutput.c (output_prologue): Likewise.
20302 * builtins.c (saveregs_value, apply_args_value): Delete variables.
20303 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
20304 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
20305 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
20306 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
20307 macros for some of them.
20308 (emit_filename, emit_lineno): Delete declarations.
20309 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
20310 regno_pointer_* variables through current_function.
20311 (gen_inline_header_rtx): Delete function.
20312 (save_emit_status): Delete function.
20313 (set_new_last_label_num): New function.
20314 (clear_emit_caches): New function.
20315 (restore_emit_status): Just clear last_labelnum and call
20317 (get_last_insn_anywhere): Variable sequence_stack is now accessed
20318 through macro seq_stack.
20319 (add_insn_after): Likewise.
20320 (add_insn_before): Likewise.
20321 (remove_insn): Likewise.
20322 (pop_topmost_sequence): Likewise.
20323 (in_sequence_p): Likewise.
20324 (start_sequence_for_rtl_expr): Likewise.
20325 (start_sequence): Likewise, and likewise for
20326 sequence_rtl_expr/seq_rtl_expr.
20327 (push_topmost_sequence): Likewise.
20328 (end_sequence): Likewise.
20329 (init_virtual_regs): Now takes a "struct emit_status *" argument.
20330 All callers changed. Store into that pointer instead of globals.
20331 (init_emit): Allocate emit elt of current_function.
20332 Changes for sequence_rtl_expr/sequence_stack renaming.
20333 Call clear_emit_caches instead of doing it in-line.
20334 Access regno_pointer_* variables through current_function.
20335 (init_emit_once) Don't clear sequence_stack.
20337 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
20339 (arg_pointer_save_area): Delete declaration.
20340 (finish_expr_for_function): Renamed from init_queue; no longer static.
20341 (init_expr): Don't call init_queue.
20342 (save_expr_status, restore_expr_status): Delete functions.
20343 (expand_expr): Changes to reflect new layout of struct function.
20344 Don't access current_function_check_memory_usage when current_function
20346 * expr.h (forced_labels, save_expr_regs, saveregs_value,
20347 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
20348 current_function_outgoing_args_size, current_function_arg_offset_rtx,
20349 current_function_uses_const_pool, function_call_count,
20350 current_function_uses_pic_offset_table, nonlocal_labels,
20351 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
20352 current_function_check_memory_usage, nonlocal_goto_handler_slots,
20353 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
20355 (finish_expr_for_function): Declare.
20356 * flags.h (current_function_has_nonlocal_label,
20357 current_function_has_nonlocal_goto, current_function_is_thunk,
20358 current_function_has_computed_jump): Delete declarations.
20359 * flow.c (forced_labels): Delete declaration.
20360 * function.c (current_function_pops_args,
20361 current_function_returns_struct, current_function_returns_pcc_struct,
20362 current_function_needs_context, current_function_calls_setjmp,
20363 current_function_calls_longjmp, current_function_has_nonlocal_label,
20364 current_function_has_nonlocal_goto, current_function_is_thunk,
20365 current_function_has_computed_jump, current_function_calls_alloca,
20366 current_function_contains_functions, current_function_returns_pointer,
20367 current_function_epilogue_delay_list, current_function_args_size,
20368 current_function_pretend_args_size, current_function_arg_offset_rtx,
20369 current_function_outgoing_args_size, current_function_varargs,
20370 current_function_stdarg, current_function_args_info, cleanup_label,
20371 current_function_name, current_function_uses_const_pool,
20372 current_function_instrument_entry_exit, current_function_return_rtx,
20373 current_function_uses_pic_offset_table, nonlocal_labels,
20374 current_function_internal_arg_pointer, current_function_cannot_inline,
20375 current_function_check_memory_usage, function_call_count,
20376 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
20377 nonlocal_goto_stack_level, return_label, save_expr_regs,
20378 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
20379 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
20380 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
20381 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
20382 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
20384 (push_function_context_to): Don't save them. Don't call
20385 save_storage_status, save_emit_status or save_expr_status.
20386 (pop_function_context_from): Don't restore them. Don't call
20387 restore_storage_status or restore_expr_status.
20388 (get_func_frame_size): New function.
20389 (get_frame_size): Use it.
20390 (assign_outer_stack_local): Reflect some member name changes in struct
20392 (put_reg_into_stack): Likewise.
20393 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
20395 (fixup_var_refs): Likewise.
20396 (fix_lexical_addr): Likewise.
20397 (trampoline_address): Likewise.
20398 (prepare_function_start): Clear field inlinable of current_function.
20399 (init_function_for_compilation): New function.
20400 (expand_dummy_function_end): New function.
20401 (expand_function_end): Call finish_expr_for_function.
20402 * function.h (struct emit_status): New; fields moved here from struct
20403 function and from global variables. Add accessor macros for some of
20405 (struct expr_status): Likewise.
20406 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
20407 (struct function): Add fields expr and emit, inlinable, inl_emit,
20408 original_arg_vector, original_decl_initial, inl_last_parm_insn,
20409 inl_max_label_num. Add many comments.
20410 Add accessor macros for all elts of struct function that no longer
20411 have a global variable.
20412 (cleanup_label, return_label, frame_offset, tail_recursion_label,
20413 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
20414 stack_slot_list): Delete declarations.
20415 (get_func_frame_size): Declare.
20416 (save_expr_status, restore_expr_status, save_emit_status,
20417 save_storage_status, restore_storage_status): Delete declarations.
20418 (init_virtual_regs): Declare.
20419 * output.h (current_function_pops_args,
20420 current_function_returns_struct, current_function_returns_pcc_struct,
20421 current_function_needs_context, current_function_calls_setjmp,
20422 current_function_calls_longjmp, current_function_calls_alloca,
20423 current_function_has_nonlocal_label, current_function_varargs,
20424 current_function_has_computed_jump, current_function_returns_pointer,
20425 current_function_contains_functions, current_function_args_size,
20426 current_function_pretend_args_size, current_function_stdarg,
20427 current_function_outgoing_args_size, current_function_args_info,
20428 current_function_name, current_function_return_rtx,
20429 current_function_epilogue_delay_list,
20430 current_function_uses_const_pool, current_function_cannot_inline):
20431 Delete declarations.
20432 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
20433 regno_reg_rtx): Delete declaration.
20434 (REGNO_POINTER_FLAG): Delete macro.
20435 * stmt.c (expand_goto): Changes to reflect that some fields in struct
20436 function were renamed.
20437 * stor-layout.c (save_storage_status, restore_storage_status): Delete
20439 * toplev.c: Include "function.h".
20440 (current_function_decl): Delete declaration.
20441 (compile_file): Call init_dummy_function_start and
20442 expand_dummy_function_end around some initializations that need to
20444 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
20445 Call init_function_for_compilation.
20446 * unroll.c: Include "function.h"
20447 (unroll_loop): Access regno_pointer_* variables through
20450 * tree.h (struct tree_decl): Add elt f to saved_insns member.
20451 (DECL_SAVED_INSNS): use it.
20452 (expand_dummy_function_end): Declare.
20453 (init_function_for_compilation): Declare.
20454 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
20455 that it's no longer an INLINE_HEADER.
20456 (expand_call): Likewise.
20457 * integrate.c (finish_inline): Delete function.
20458 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
20459 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
20460 args. Don't generate an INLINE_HEADER rtx, just return the arg
20461 vector. All callers changed.
20462 (save_for_inline_copying): Create a duplicate struct emit_status to
20463 hold the emit state for compiling the current function. Use this and
20464 the other new fields in struct function that are for integration
20465 instead of an INLINE_HEADER.
20466 Use memcpy instead of bcopy.
20467 Store the current struct function in DECL_SAVED_INSNS of fndecl.
20468 (save_for_inline_nocopy): Similar changes, except no new emit_status
20470 (expand_inline_function): Get information from function structure,
20471 not from an inline header rtx.
20472 (output_inline_function): Lose code to extract the necessary
20473 information from an inline header; simply put back the function
20474 structure into current_function. Clear its inlinable elt.
20475 * rtl.def (INLINE_HEADER): Delete.
20476 * rtl.h: Delete all accessors for an INLINE_HEADER.
20477 (gen_inline_header_rtx): Delete declaration.
20478 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
20479 Delete declarations.
20480 (REGNO_POINTER_ALIGN): Delete.
20481 (clear_emit_caches): Declare.
20482 (set_new_last_label_num): Declare.
20484 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
20486 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
20488 * except.c (expand_eh_region_start_for_decl): Always start a new block.
20489 * stmt.c (is_eh_region): Make sure current_function is present, too.
20491 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
20493 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
20494 for 64bit PA targets.
20496 * pa.h (SELECT_SECTION): Define.
20497 * som.h (SELECT_SECTION): Delete.
20499 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20501 * alias.c (init_alias_analysis): Wrap call to
20502 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
20504 1999-08-07 Bruce Korb <autogen@linuxbox.com>
20506 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
20507 <sys/asm.h> contains an asm comment with an apostrophe
20508 * fixinc/inclhack.sh: regen
20509 * fixinc/fixincl.x: regen
20511 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
20513 * function.c (init_function_start): Clear prologue & epilogue.
20514 (prologue_epilogue_contains): New function.
20515 * alias.c (init_alias_analysis): Use it.
20516 * rtl.h (prologue_epilogue_contains): Declare it.
20518 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
20520 * jump.c (onlyjump_p): New function.
20521 * rtl.h: Declare it.
20522 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
20523 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
20525 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
20527 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
20528 to invert loops. Simplify block scanning.
20530 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20532 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
20533 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
20535 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
20537 * config/sparc/liteelf.h: New file to support sparclite-elf target
20538 * config/sparc/t-sp86x: New file to support sparc86x targets
20539 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
20540 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
20541 * configure.in: Support above target triplets
20542 * configure: Regenerated
20544 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
20546 * fixinc/server.c (server_setup): Do not prefix function used as
20547 parameter with `&'.
20549 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
20551 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
20552 Remove fp reg alternatives.
20554 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
20556 * Makefiin (TAROUTOPTS): Kill.
20557 (install-headers-tar): Use "xpf" for tar headerfile extraction
20558 * i370/x-oe (TAROUTOPTS): Delete.
20559 * m68k/x-apollo68 (TAROUTOPTS): Delete.
20560 * m68k/x-hp320 (TAROUTOPTS): Delete.
20561 * m68k/x-hp320g (TAROUTOPTS): Delete.
20562 * gcc.texi: Update bug reporting text.
20564 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
20566 * reg-stack.c (change_stack) Fixed problem with negative array index.
20568 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
20570 * extend.texi, install.texi: Fix spelling mistakes.
20572 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
20573 (s-attrtab); No longer try to use pre-made insn-attrtab file.
20574 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
20575 PREMADE_ATTRTAB_MD.
20576 * mips/t-ecoff: Likewise.
20577 * mips/t-elf: Likewise.
20578 * mips/t-mips: Likewise.
20579 * mips/t-osfrose: Likewise.
20580 * mips/t-r3900: Likewise.
20581 * mips/t-svr3: Likewise.
20582 * mips/t-svr4: Likewise.
20583 * mips/t-ultrix: Likewise.
20585 * gcc.texi: Document recommend means to provide software floating
20586 point libraries in libgcc.a
20588 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
20590 * c-lex.c (yylex): We can have a number with no digits.
20592 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
20594 * jump.c (delete_prior_computation): New function, broken
20595 out of delete_computation. Check for side effects with
20596 side_effects_p instead of FIND_REG_INC_NOTE. Handle
20597 multi-word hard registers.
20598 (delete_computation): Use it. Check for side effects with
20599 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
20600 missing REG_DEAD note for a register which is both set and
20603 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
20605 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
20606 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
20607 (ASM_FILE_START): Import _mcount with the right type.
20608 (ASM_DECLARE_FUNCTION_NAME): Define.
20609 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
20610 * pa.c (output_function_prologue): Always emit the function's label
20612 * pa.h (TEXT_SPACE_P): Define.
20613 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
20614 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
20615 * som.h (TEXT_SPACE_P): Delete.
20616 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
20617 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
20619 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
20621 * expr.c (emit_group_load): Allow src to be a CONCAT.
20623 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20625 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
20626 (___mulsi3): Use '!' comment character.
20628 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20630 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
20632 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
20634 * gcc.c: Update URLs and mail addresses.
20635 * gcc.texi: Likewise.
20637 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
20639 * rs6000.c (current_file_function_operand): Return zero for
20641 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
20643 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
20646 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
20648 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
20649 allocate space in the stack frame for the PIC register.
20651 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
20653 * m68k.md (xordi3, anddi3): These patterns are not available on
20656 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
20658 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
20659 (PUT_REAL): Likewise.
20661 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20663 * final.c (shorten_branches): Don't add an alignment for loops
20664 that have no label inside.
20666 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20668 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
20669 prototypes in macro HAVE_cmpstrsi.
20671 * cpplib.c (cpp_get_token): Remove unused label `op3'.
20673 * emit-rtl.c (operand_subword): Remove unused variable
20676 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
20678 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
20680 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
20682 * cpphash.c (macroexpand): Delete leading whitespace when arg
20683 is concatenated before.
20684 (unsafe_chars): Correct test for whether + and - can extend a
20687 * cppinit.c (cpp_start_read): Do dependencies for
20688 -include/-imacros files also.
20690 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
20691 tokenizing non-directive lines.
20692 (cpp_expand_to_buffer): Temporarily disable no-output mode.
20693 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
20696 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
20698 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
20700 * c-lex.c: Sync with C++ frontend.
20701 (linemode): New variable.
20702 (parse_float): imag, conversion_errno, and type are output only.
20703 (yylex): Adjust. Move initial '.' case into main switch.
20705 (handle_generic_pragma): Just deal with tokens.
20706 (readescape): Use ISXDIGIT and ISGRAPH.
20707 * c-parse.in: Add END_OF_LINE token.
20709 * c-lex.c (lang_init): Generalize.
20710 (nextchar): Remove. Replace uses with UNGETC.
20711 (skip_white_space): Handle linemode here. Optimize for cpplib.
20712 (skip_white_space_on_line): Remove.
20713 (extend_token_buffer_to): New fn.
20714 (extend_token_buffer): Use it.
20715 (read_line_number, check_newline): Just deal with tokens.
20716 (token_getch, token_put_back): New fns.
20717 (yylex): Use them. More cpplib optimizations. Simplify.
20719 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20720 Jason Merrill <jason@yorick.cygnus.com>
20722 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
20723 (consume_string): Make this smart about USE_CPPLIB.
20724 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
20725 (yylex): Rewrite to be intelligent about USE_CPPLIB.
20726 Also, clean up cases where we redundantly set token_buffer[0].
20727 (read_line_number): New fn.
20728 (ignore_escape_flag): New variable.
20730 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
20732 * a29k/t-a29kbare: Fix some comments.
20733 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
20734 (FPBIT, DPBIT): Define.
20735 * a29k/t-vx29k: Likewise.
20736 * arc/t-arc: Likewise.
20737 * arm/t-arm-elf: Likewise.
20738 * arm/t-bare: Likewise.
20739 * arm/t-pe: Likewise.
20740 * arm/t-pe-thumb: Likewise.
20741 * arm/t-semi: Likewise.
20742 * arm/t-thumb: Likewise.
20743 * arm/t-thumb-elf: Likewise.
20744 * arm/t-thumb-linux: Likewise.
20745 * h8300/t-h8300: Likewise.
20746 * i960/t-i960: Likewise.
20747 * i960/t-vxworks960: Likewise.
20748 * m32r/t-m32r: Likewise.
20749 * mips/t-ecoff: Likewise.
20750 * mips/t-elf: Likewise.
20751 * mips/t-r3900: Likewise.
20752 * pa/t-pro: Likewise.
20753 * rs6000/t-aix43: Likewise.
20754 * rs6000/t-beos: Likewise.
20755 * rs6000/t-newas: Likewise.
20756 * rs6000/t-ppccomm: Likewise.
20757 * rs6000/t-rs6000: Likewise.
20758 * rs6000/t-winnt: Likewise.
20759 * rs6000/t-xnewas: Likewise.
20760 * rs6000/t-xrs6000: Likewise.
20761 * sh/t-sh: Likewise.
20762 * sparc/t-elf: Likewise.
20763 * sparc/t-sparcbare: Likewise.
20764 * sparc/t-sparclite: Likewise.
20765 * sparc/t-splet: Likewise.
20766 * v850/t-v850: Likewise.
20767 * mn10200/t-mn10200: Fix comments.
20768 * mn10300/t-mn10300: Likewise.
20770 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
20771 dummy operand. Allocate a new pseudo for the dummy operand.
20772 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
20774 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
20776 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
20778 * configure: Rebuilt.
20779 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
20781 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
20783 * recog.c (preproces_constraints): Zero recog_op_alt before
20784 processing the constraints.
20786 * arm.c (typedef minipool_node): Renamed from pool_node.
20787 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
20788 (add_minipool_constant): New function.
20789 (dump_minipool): New function.
20790 (find_barrier): Remove special case for getting the insn size of
20791 an insn that references the constant pool.
20792 (minipool_fixup): New structure.
20793 (push_minipool_barrier): New function.
20794 (push_minipool_fix): New function.
20795 (note_invalid_constants): New function.
20796 (add_pool_constant, dump_table, fixit, broken_move): Delete.
20797 (arm_reorg): Rewrite code to fix up the constant pool into a
20798 series of mini-pools embedded in the insn stream.
20799 (arm_output_epilogue): New function, made mainly from the body
20800 of output_func_epilogue.
20801 (output_func_epilogue): Move insn generation part of epilogue code
20802 to arm_output_epilogue.
20803 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
20804 * arm.md (pool_range): New attribute.
20805 (zero_extendqidi2): Add attribute pool_range.
20806 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
20807 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
20808 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
20809 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
20810 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
20811 (epilogue): New expand.
20812 (epilogue_insn): New insn. Call arm_output_epilogue.
20814 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
20815 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
20817 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
20819 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
20821 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
20823 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
20825 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
20827 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
20829 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
20831 * global.c: Fix comment.
20833 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
20835 * gcc.c (access_check): New static function.
20836 (find_a_file): Use it when searching a directory list.
20837 * collect2.c (find_a_file): Don't accept directories found when
20838 searching a directory list.
20840 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
20842 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
20843 function parameters with `&'.
20844 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
20846 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
20848 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
20849 or tidy_fallthru_edge if the last insn in the block is not
20850 an unconditional jump or a simple conditional jump.
20852 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20854 * Makefile.in (c-decl.o): Depends on defaults.h.
20856 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
20858 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
20860 (CLASS_MAX_NREGS): Likewise.
20862 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
20864 * cse.c (cse_insn): Fix dumb thinko in last change.
20866 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20868 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
20871 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
20873 * dwarf2out.c (add_location_or_const_value_attribute): Correct
20874 test for sizes of passed and declared parameter types.
20876 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20878 * fixincludes: Fix the return type of bsearch, char* -> void*.
20880 * fixinc/inclhack.def: Likewise.
20882 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
20884 * invoke.texi (-fdump-translation-unit): New option.
20886 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
20888 * expr.h (PROMOTE_PROTOTYPES): Move ...
20889 * defaults.h: ... to here.
20890 * c-decl.c: Include defaults.h instead of expr.h.
20891 * c-typeck.c: Include defaults.h.
20893 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
20895 * toplev.h (errorcount): Declare.
20896 (warningcount): Likewise.
20897 (sorrycount): Likewise.
20898 * c-lex.c (errorcount): Don't declare.
20899 * dwarf2out.c (errorcount): Don't declare.
20901 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
20903 * config/libgloss.h: Add a note discouraging use with ELF.
20904 * configure.in: Don't use libgloss.h for ELF targets.
20905 Always use_collect2 on a.out targets.
20907 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
20909 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
20910 (force_to_mode, case ASHIFTRT): Add shiftrt label.
20912 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20914 * loop.c (strength_reduce): When doing biv->giv conversion, update
20915 reg note of NEXT->insn.
20917 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20919 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
20921 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20923 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
20924 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
20925 Ensure expr.h is included.
20926 * c-typecheck.c (convert_arguments): Ditto.
20928 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
20930 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
20931 * config/convex/convex.h: Ditto.
20932 * config/dsp16xx/dsp16xx.h: Ditto.
20933 * config/fx80/fx80.h: Ditto.
20934 * config/gmicro/gmicro.h: Ditto.
20935 * config/i370/i370.h: Ditto.
20936 * config/i386/i386.h: Ditto.
20937 * config/m32r/m32r.h: Ditto.
20938 * config/m68k/m68k.h: Ditto.
20939 * config/m88k/m88k.h: Ditto.
20940 * config/mips/mips.h: Ditto.
20941 * config/pa/pa.h: Ditto.
20942 * config/pyr/pyr.h: Ditto.
20943 * config/tahoe/tahoe.h: Ditto.
20944 * config/we32k/we32k.h: Ditto.
20946 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
20947 based on arch size.
20949 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
20951 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
20954 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
20956 1999-08-02 Richard Henderson <rth@cygnus.com>
20958 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
20959 for the register spill block.
20960 (m32r_va_arg): New.
20961 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
20962 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
20964 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
20965 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
20966 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
20968 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20970 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
20971 MAX_WCHAR_TYPE defined in sparc.h.
20972 * config/sparc/linuxaout.h: Likewise.
20973 * config/sparc/linux64.h: Likewise.
20974 Also default to -mvis if CPU is UltraSPARC.
20976 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20978 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
20979 (RTX_OK_FOR_OLO10): Likewise.
20980 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
20981 %lo(), allow it in addresses...
20982 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
20983 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
20984 does not make sense.
20985 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
20986 (sparc_output_scratch_registers): New function.
20987 (output_function_prologue, sparc_flat_output_function_prologue): Use
20989 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
20991 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
20992 * configure.in: Add check for .register pseudo-op support in as and
20993 check for offsetable %lo().
20994 * acconfig.h: Add templates for the above checks.
20995 * configure: Regenerate.
20997 1999-08-02 Richard Henderson <rth@cygnus.com>
20999 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
21000 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
21001 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
21003 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21005 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
21008 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21010 * config/float-sparc.h: New file.
21011 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
21012 sparc-*-linux-gnu and sparc64-*-linux*.
21014 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21016 * rs6000.c (rs6000_va_list): Type is an array.
21017 (rs6000_va_start): Don't doubly adjust for varargs.
21018 (rs6000_va_arg): Evaluate long long GPR adjustment.
21020 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
21022 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
21023 -maix64 and -maix32.
21024 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
21025 LINK_SPEC): Change appropriately.
21026 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
21027 (u_short_cint_operand): Likewise.
21028 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
21030 * rs6000/t-aix43 (MULTILIB): Change to -m64.
21032 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
21034 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
21036 * rs6000/rs6000.c (num_insns_constant_wide): Correct
21037 for type promotion.
21038 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
21039 (non_add_cint_operand): Likewise.
21040 (logical_operand): Likewise.
21041 (non_logical_cint_operand): Likewise.
21042 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
21043 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
21044 (rs6000_select_rtx_section): Suppress warning.
21045 (small_data_operand): Suppress warning.
21046 (rs6000_got_register): Suppress warning.
21047 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
21048 type, so `J' is generally the wrong constraint for a SImode value;
21050 (andsi3_internal2): Likewise.
21051 (andsi3_internal3): Likewise.
21052 (iorsi3_internal1): Likewise.
21053 (xorsi3_internal1): Likewise.
21055 (movsf_softfloat): Likewise.
21056 (scc insns): Likewise.
21057 (movsi+2): Preserve sign bits of SImode constant.
21058 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
21059 (movdf+1): Sign-extend properly.
21060 (movdi_32+1): Sign-extend properly.
21061 (scc insns): Sign-extend properly.
21063 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
21066 1999-08-02 Richard Henderson <rth@cygnus.com>
21068 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
21069 -mcpu parsing code.
21070 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
21071 * alpha.md (all fp insns): Likewise.
21073 1999-08-02 Nick Clifton <nickc@cygnus.com>
21075 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
21078 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
21080 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
21081 pic_load_label generator directly.
21082 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
21083 No longer a named pattern.
21085 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
21087 * explow.c (force_reg): Call force_operand if X does not
21088 satisfy general_operand.
21090 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
21092 * fix-header.c (main): When testing for CONTINUED, use string
21093 equality, not pointer equality.
21095 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
21097 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
21099 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
21101 * cse.c (cse_insn): Fix loop which deletes insns after a jump
21102 that has become an unconditional jump.
21104 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
21105 (output_function_epilogue): Similarly.
21107 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21109 * tree.h (init_dummy_function_start): Declare.
21111 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21113 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
21114 last_expr_type, last_expr_value, block_start_count, block_stack,
21115 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
21116 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
21117 dynamically in stmt elt of struct function for each function.
21118 (struct nesting): Rename function_call_count elt to n_function_calls,
21119 target_temp_slot_level to block_target_temp_slot_level. All users
21121 (struct stmt_status): New structure definition.
21122 Add many accessor macros for stmt_status elements which previously
21123 were global variables.
21124 (init_stmt_for_function): Allocate stmt elt for current_function.
21125 Reflect that block_start_count was renamed to
21126 current_block_start_count.
21127 (save_stmt_status, restore_stmt_status): Delete functions.
21128 (preserve_subexpressions_p): Don't access loop_stack when outside
21130 (expand_start_bindings): Reflect that block_start_count was renamed to
21131 current_block_start_count.
21132 (expand_fixup): Likewise.
21133 (expand_decl): Don't access block_stack when outside a function.
21134 (expand_decl_cleanup): Likewise.
21135 (expand_dcc_cleanup): Likewise.
21136 (expand_dhc_cleanup): Likewise.
21137 (expand_anon_union_decl): Likewise.
21138 (set_file_and_line_for_stmt): New function.
21139 (in_control_zone_p): New function.
21141 * function.h (struct function): Add new elt stmt.
21142 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
21143 case_stack, nesting_stack, nesting_depth, block_start_count,
21144 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
21145 emit_lineno, goto_fixup_chain.
21146 (save_eh_status, restore_eh_status, save_stmt_status,
21147 restore_stmt_status): Delete declarations.
21148 * function.c (push_function_context_to): Don't call save_stmt_status.
21149 (pop_function_context_to): Don't call restore_stmt_status.
21150 * tree.h (in_control_zone_p): Declare.
21151 * rtl.h (set_file_and_line_for_stmt): Declare.
21153 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
21154 call set_file_and_line_for_stmt.
21156 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
21158 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
21159 Also update copyright.
21161 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21163 * c-pragma.c: Don't include "except.h".
21164 * emit-rtl.c: Likewise.
21165 * stor-layout.c: Likewise.
21166 * tree.c: Likewise.
21167 * varasm.c: Likewise.
21169 * flow.c: Include "function.h".
21170 * tree.h (init_dummy_function_start): Declare new function.
21172 * except.h (struct eh_status): New structure.
21173 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
21175 (eh_return_stub_label, ehstack, catchstack, ehqueue,
21176 catch_clauses, false_label_stack, caught_return_label_stack,
21177 protect_list, current_function_ehc): Add accessor macros for the
21178 corresponding fields in current_function->eh; delete declarations
21179 for all items that used to be declared here.
21180 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
21181 catch_clauses, false_label_stack, caught_return_label_stack,
21182 protect_list, current_function_ehc): Delete variables.
21183 (init_eh_for_function): Allocate current_function->eh.
21184 (save_eh_status, restore_eh_status): Delete functions.
21186 * function.h (struct function): Add fields next_global and eh.
21187 Delete all exception handling related fields.
21188 * function.c (current_function): New variable.
21189 (all_functions): New variable.
21190 (push_function_context_to): Don't allocate a struct function,
21191 use current_function instead. Call init_dummy_function_start when
21192 outside a function. Clear current_function before returning.
21193 (pop_function_context_from): Restore current_function.
21194 Don't free the restored struct function.
21195 (prepare_function_start): New function.
21196 (init_dummy_function_start): New function.
21197 (init_function_start): Break out some code into prepare_function_start
21200 * stmt.c (save_stmt_status): Don't call save_eh_status.
21201 (restore_stmt_status): Don't call restore_eh_status.
21203 * Makefile.in: Update dependencies.
21205 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
21207 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
21208 of depending on a magic constant value. Update comments.
21209 (hppa_expand_prologue): Similarly.
21211 * pa.md (reload_indi, reload_outdi): Allow any register for the
21212 original reload register.
21214 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
21216 * cccp.c (print_help): Change marcos to macros.
21218 1999-07-30 Richard Henderson <rth@cygnus.com>
21220 * c-typeck.c (initializer_constant_valid_p): Move ...
21221 * c-common.c (initializer_constant_valid_p): ... here. Use
21222 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
21223 of label addresses.
21224 * c-common.h (initializer_constant_valid_p): Declare.
21225 * c-tree.h (initializer_constant_valid_p): Remove.
21227 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
21229 * config/i386/sol2-c1.asm: Align the stack.
21230 * config/i386/sol2-gc1.asm: Likewise.
21232 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
21234 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
21235 -Asparclite for sparc86x.
21236 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
21238 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
21240 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
21242 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
21243 the user if using the non-default arch size in BI_ARCH configuration.
21244 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
21246 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
21247 Fix patterns so that they actually match.
21248 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
21249 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
21250 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
21252 (mulsidi3): Reflect this in the expand.
21253 (smulsi3_highpart): Only on TARGET_ARCH32.
21254 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
21255 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
21256 (umulsidi3): Reflect this in the expand.
21257 (umulsi3_highpart): Only on TARGET_ARCH32.
21258 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
21259 don't require g0 to be zero.
21260 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
21261 ({,u}divsi3): New expands.
21262 ({,u}divsi3_sp64): New patterns.
21263 (after lshrdi3_v8plus): Four new patterns to help combiner
21264 optimizing nested mixed mode shifts.
21266 * config/sparc/sparc.c (sparc_override_options): Use deprecated
21267 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
21268 speed things up. Don't use them by default on plain v9 in 64bit
21269 mode, according to what SPAMv9 sais.
21271 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
21272 top 32 bits of %[og][0-7] in signal handlers.
21273 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
21275 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
21277 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
21278 (ashlsi3): Corresponding changes.
21280 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
21282 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
21284 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
21286 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21288 * arm.h (Hint): Delete macro.
21289 Substitute HOST_WIDE_INT for Hint in some prototypes.
21290 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
21292 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
21294 * builtins.c (expand_builtin_setjmp): Use force_operand to
21295 make sure that the buffer address is in a suitable form to be
21296 passed to force_reg.
21298 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
21300 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
21303 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
21305 * pa.md (indirect_jump): Remove mode from match_operand. Verify
21306 proper mode in the condition string.
21307 (icacheflush, dcacheflush): Remove modes from match_operands.
21309 * pa.c (emit_move_sequence): Always convert scratch_reg to the
21310 proper mode before using it.
21312 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
21315 * pa.c (store_reg): Do not call add_high_const generator directly.
21316 (load_reg, set_reg_plus_d): Likewise.
21317 * pa.md (add_high_const): No longer a named pattern.
21319 * pa.c (legitimize_address): Consistently use Pmode rather than
21320 SImode. Do not call gen_pic2_highpart directly anymore.
21321 * pa.md (pic2_highpart): No longer a named pattern.
21322 (pic2_lo_sum): Similarly. Reformat to make more readable.
21324 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
21329 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21331 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
21333 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
21335 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
21336 and tag the spill mems.
21337 (hppa_va_start): New.
21338 (hppa_va_arg): New.
21339 * pa.h (EXPAND_BUILTIN_VA_START): New.
21340 (EXPAND_BUILTIN_VA_ARG): New.
21342 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
21344 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
21345 and tag the spill mems.
21346 (mn10300_va_start): New.
21347 (mn10300_va_arg): New.
21348 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
21349 (EXPAND_BUILTIN_VA_ARG): New.
21351 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
21353 * mn10200.c (mn10200_va_arg): New.
21354 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
21356 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
21358 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
21359 rather than play with TREE_INT_CST_LOW.
21361 1999-07-27 Philip Blundell <pb@nexus.co.uk>
21363 * config/arm/telf.h: Include dbxelf.h.
21364 (CPP_PREDEFINES): Only define if not already defined.
21365 (ASM_IDENTIFY_GCC): Likewise.
21366 (SUBTARGET_EXTRA_SECTIONS): Likewise.
21367 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
21368 * config/arm/thumb.h (LINK_SPEC): Only define if not already
21370 (DBX_DEBUGGING_INFO): Don't define.
21371 * config/arm/linux-telf.h: New file.
21372 * config/arm/linux-tgas.h: New file.
21373 * config/arm/t-thumb-linux: New file.
21374 * config/arm/uclinux-elf.h: New file.
21375 * config/arm/uclinux-telf.h: New file.
21376 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
21377 thumb-*-uclinux): New targets.
21378 * configure: Regenerate.
21380 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
21382 * pa.md (post_store, pre_load): New expanders.
21383 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
21384 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
21385 need to directly generate RTL for them.
21386 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
21389 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
21391 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
21392 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
21393 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
21394 (secndary_reload_class): Make TARGET_ELF conditional compile.
21395 (print_operand_address): Similar.
21396 (output_toc): Print all values as hex.
21397 (get_issue_rate): Rearrange and add RS64A and PPC630.
21398 * rs6000.h (processor_type): Add RS64A and PPC630.
21399 (PROCESSOR_POWERPC64): New.
21400 (PROMOTE_MODE): Use word_mode.
21401 (RTX_COSTS): Add RS64A and PPC630.
21402 * rs6000.md (scheduling information): Add lmul and ldiv
21403 representing 64-bit integer multiply and divide. Add rs64a and
21404 PPC630 information.
21405 (ashldi3): Add support for "rldic" instruction.
21406 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
21408 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
21410 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
21411 instead of V8 for sparclite86x in cpu_table.
21413 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21415 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
21416 output_file_directive.
21418 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
21420 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
21421 tree for op1, not the rtl.
21423 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
21425 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
21426 to m88k_va_start, leaving only the register spill.
21427 (m88k_build_va_list): New.
21428 (m88k_va_start): New.
21429 (m88k_va_arg): New.
21430 * m88k.h (BUILD_VA_LIST_TYPE): New.
21431 (EXPAND_BUILTIN_VA_START): New.
21432 (EXPAND_BUILTIN_VA_ARG): New.
21434 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
21436 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
21437 Rename from expand_builtin_saveregs.
21438 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
21440 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
21442 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
21443 for the register spill block.
21444 (i960_build_va_list): New.
21445 (i960_va_start): New.
21446 (i960_va_arg): New.
21447 * i960.h (BUILD_VA_LIST_TYPE): New.
21448 (EXPAND_BUILTIN_VA_START): New.
21449 (EXPAND_BUILTIN_VA_ARG): New.
21450 * i960.md (store_multiple): Use change_address on individul mems.
21452 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
21454 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
21456 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
21457 (expand_builtin_va_end): Evaluate arg for side effects.
21458 * c-common.c (c_common_nodes_and_builtins): Construct a
21459 va_list_arg_type_node to handle array decomposition to pointer.
21461 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
21463 * except.c (st_dynamic_cleanup): Use force_operand on the
21466 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
21468 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
21469 * c4x.c (c4x_va_arg): New.
21471 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
21473 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
21474 has manual_pop set.
21476 1999-07-26 Nathan Sidwell <nathan@acm.org>
21478 * eh-common.h (__eh_matcher): Prototype correctly.
21480 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
21482 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
21483 (TARGET_SINGLE_PIC_BASE): Likewise.
21484 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
21486 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
21487 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
21488 (TARGET_OPTIONS): Add -mpic-register=N.
21489 (OUTPUT_INT_ADDR_CONST): New macro.
21490 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
21491 LEGITIMATE_PIC_OPERAND_P): Likewise.
21492 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
21493 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
21494 output_addr_const directly.
21495 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
21497 (thumb_pic_register, thumb_pic_register_string): Declare.
21499 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
21501 (label_mentioned_p): New function: Imported from arm.c.
21502 (legitimize_pic_address): New function: Imported from arm.c.
21503 (is_pic):New function: Imported from arm.c.
21504 (thumb_finalize_pic):New function: Imported from arm.c.
21505 (add_constant): Cope with PIC constants.
21506 (fixit): Cope with PIC constants.
21507 (output_return): Do not treat the PIC register as live if
21508 TARGET_SINGLE_PIC_BASE is true.
21509 (thumb_function_prologue): Do not treat the PIC register as live if
21510 TARGET_SINGLE_PIC_BASE is true.
21511 (thumb_expand_prologue): Do not treat the PIC register as live if
21512 TARGET_SINGLE_PIC_BASE is true.
21513 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
21514 TARGET_SINGLE_PIC_BASE is true.
21515 (thumb_print_operand): Accept '|'.
21516 (thumb_override_options): Process PIC options.
21518 * config/arm/thumb.md (movsi): Support PIC.
21519 (call_insn): Change "i" constraint to "X".
21520 (call_value_insn): Likewise.
21521 (consttable_4, consttable_8, consttable_end): Set and clear
21522 "making_const_table" as appropriate.
21523 (pic_load_addr, pic_add_dot_plus_four): New insns.
21525 * invoke.texi (Thumb Options): Fix spelling. Document new
21526 options -msingle-pic-base and -mpic-register=.
21528 1999-07-26 Andrew Haley <aph@cygnus.com>
21530 * config/m32r/initfini.c (__init): Use a full word immediate for
21531 __fini: this allows it to be placed in any memory region.
21533 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
21534 -mmodel=medium. This is OK for all memory models.
21536 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
21538 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
21539 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
21541 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
21543 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
21546 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
21548 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
21550 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
21551 (BUILD_VA_LIST_TYPE): New.
21552 (EXPAND_BUILTIN_VA_START): New.
21553 (EXPAND_BUILTIN_VA_ARG): New.
21554 * i860.c (output_delayed_branch): Disable.
21555 (output_delay_insn): Likewise.
21556 (i860_saveregs): New.
21557 (i860_build_va_list): New.
21558 (i860_va_start): New.
21559 (i860_va_arg): New.
21560 * i860.md: Disable all peepholes using output_delayed_branch.
21561 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
21563 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
21565 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
21566 (BUILD_VA_LIST_TYPE): New.
21567 (EXPAND_BUILTIN_VA_START): New.
21568 (EXPAND_BUILTIN_VA_ARG): New.
21569 * clipper.c (clipper_builtin_saveregs): Only dump registers.
21570 Return the address of the save area.
21571 (clipper_build_va_list): New.
21572 (clipper_va_start): New.
21573 (clipper_va_arg): New.
21575 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
21577 * arc.h (EXPAND_BUILTIN_VA_START): New.
21578 (EXPAND_BUILTIN_VA_ARG): New.
21579 * arc.c (arc_setup_incoming_varargs): Set alias set of
21581 (arc_va_start): New.
21584 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
21586 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
21587 (BUILD_VA_LIST_TYPE): New.
21588 (EXPAND_BUILTIN_VA_START): New.
21589 (EXPAND_BUILTIN_VA_ARG): New.
21590 * alpha.c (alpha_builtin_saveregs): Delete.
21591 (alpha_build_va_list): New.
21592 (alpha_va_start): New.
21593 (alpha_va_arg): New.
21595 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
21597 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
21599 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
21600 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
21602 * gcc.texi: More changes related to list conversion.
21603 * invoke.texi: Likewise.
21605 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
21607 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
21608 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
21609 (expand_builtin_next_arg): Accept ARGLIST not EXP.
21610 (stabilize_va_list): New function.
21611 (std_expand_builtin_va_start): New function.
21612 (expand_builtin_va_start): New function.
21613 (get_varargs_alias_set): New function.
21614 (std_expand_builtin_va_arg): New function.
21615 (expand_builtin_va_arg): New function.
21616 (expand_builtin_va_end): New function.
21617 (expand_builtin_va_copy): New function.
21618 (expand_builtin): Call them.
21619 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
21620 __builtin_{varargs_start,stdarg_start,end,copy}.
21621 (build_va_arg): New function.
21622 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
21623 (build_va_arg): Declare.
21624 * c-decl.c (ptr_type_node, va_list_type_node): New.
21625 * c-parse.gperf (__builtin_va_arg): New.
21626 * c-parse.in (VA_ARG): New token.
21627 (unary_expr): Recognize it.
21628 * expr.c (expand_expr): Expand VA_ARG_EXPR.
21629 * expr.h (std_expand_builtin_va_start): Declare.
21630 (std_expand_builtin_va_arg): Declare.
21631 (expand_builtin_va_arg): Declare.
21632 (get_varargs_alias_set): Declare.
21633 * tree.def (VA_ARG_EXPR): New.
21634 * tree.h (BUILT_IN_VARARGS_START): New.
21635 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
21636 (ptr_type_node, va_list_type_node): Declare.
21637 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
21638 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
21639 * m88k.h, m88k.c: Likewise.
21640 * mn10300.h, mn10300.c: Likewise.
21641 * pa.h, pa.c: Likewise.
21642 * rs6000.h, rs6000.c: Likewise.
21643 * sh.h, sh.c: Likewise.
21644 * sparc.h, sparc.c: Likewise.
21646 * emit-rtl.c (operand_subword): Copy alias set.
21647 (change_address): Likewise.
21649 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
21651 * pa.c (compute_frame_size): Scan all the used callee saved registers,
21652 not just the first one.
21654 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
21656 * config/arm/arm.h (TARGET_SWITCHES): Add
21657 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
21658 (TARGET_OPTIONS): Add -mpic-register=.
21659 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
21660 (arm_pic_register_string): Declare.
21661 (NEED_PLT_GOT): Delete, replace with ...
21662 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
21663 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
21664 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
21665 * config/arm/arm.c (arm_override_options): Add new option
21667 (arm_pic_register_string): New variable.
21668 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
21669 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
21670 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
21671 (output_return_instruction): Likewise.
21672 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
21673 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
21674 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
21676 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
21677 mention of -msched-prolog. Document new options -msingle-pic-base
21678 and -mpic-register=.
21680 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
21682 * haifa-sched.c (reemit_notes): Tidy.
21683 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
21686 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
21688 * explow.c (trunc_int_for_mode): New function.
21689 (plus_constant_wide): Use it.
21690 * combine.c (simplify_and_const_int): Likewise.
21691 (merge_outer_ops): Likewise.
21692 (simplify_shift_const): Likewise.
21693 * cse.c (simplify_unary_operation): Likewise.
21694 (simplify_binary_operation): Likewise.
21695 * emit-rtl.c (operand_subword): Likewise.
21696 * rtl.h: Declare it.
21698 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21700 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
21701 (use NUM_REGS instead of NUM_INTS).
21703 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21705 * builtins.c: New file.
21706 * expr.c (saveregs_value, apply_args_value): Delete definition,
21707 moved into builtins.c.
21708 (string_constant): No longer static.
21709 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
21710 apply_args_size, apply_result_size, result_vector,
21711 expand_builtin_apply_args, expand_builtin_apply,
21712 expand_builtin_return): Delete functions, moved into builtins.c.
21713 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
21714 * expr.h (saveregs_value, apply_args_value): Declare variables.
21715 (expand_builtin, string_constant): Declare functions.
21716 * Makefile.in: Update to build builtin.o.
21718 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
21720 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
21721 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
21722 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
21723 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
21725 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
21728 1999-07-21 Michael Meissner <meissner@cygnus.com>
21730 * print-rtl.c (print_rtx): Print the names of the virtual
21733 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
21735 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
21736 introduced in previous delta.
21738 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21740 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
21741 to avoid name clash.
21743 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21745 * c-lex.c (yylex) : Correct the test for overflow when lexing
21748 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
21750 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
21751 (adjust_priority): Always call ADJUST_PRIORITY.
21752 (schedule_insn): Only put insns into the ready at cost 0.
21753 (schedule_block): Remove redundant initial sort. Give clock_var
21754 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
21756 * tm.texi (MD_SCHED_REORDER): Update docs.
21758 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
21759 * sparc.c (ultra_reorder_called_this_block): Delete.
21760 (ultrasparc_sched_init): Don't set it.
21761 (ultrasparc_sched_reorder): Don't check it.
21763 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
21765 * rs6000.h (struct rs6000_args): Add sysv_gregno.
21766 * rs6000.c (init_cumulative_args): Init sysv_gregno.
21767 (function_arg_boundary): Align DFmode.
21768 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
21769 to get fp reg and stack overflow correct.
21770 (function_arg): Likewise.
21771 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
21772 (setup_incoming_varargs): Restructure for ABI_V4; use
21773 function_arg_advance to skip final named argument.
21774 (expand_builtin_saveregs): Properly unskip the last integer arg
21775 when doing varargs. Adjust overflow location calculation.
21777 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
21778 explicitly unsigned.
21779 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
21780 (__VA_GP_REGSAVE): Similarly.
21781 (__va_longlong_p): Delete.
21782 (__va_arg_type_violation): New declaration.
21783 (va_arg): Restructure. Flag promotion errors. Align double.
21784 TFmode passed by reference.
21786 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
21787 in the HOST_BITS_PER_WIDE_INT > 32 case.
21789 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
21791 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
21793 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
21795 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
21796 * toplev.c (documented_lang_options): Add -fpreprocessed.
21797 * cpplib.h (struct cpp_buffer): Add preprocessed.
21798 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
21799 (cpp_start_read): Don't expand macros or emit an initial #line
21800 directive if -fpreprocessed.
21802 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21804 * cpplib.h (struct cpp_buffer): Added manual_pop for
21805 better C++ tokenization.
21806 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
21807 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
21808 * c-common.c (cpp_token): Make non-static.
21810 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21812 * c-common.h: New file.
21813 * c-common.c (permanent_obstack): Delete unused declaration.
21814 (c_global_trees): New array.
21815 (c_common_nodes_and_builtins): New function; split off common code
21816 from init_decl_processing in both c-decl.c and cp/decl.c.
21817 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
21818 c_global_trees and accessor macros defined in c-common.h.
21819 Include c-common.h.
21820 * c-decl.c: Delete definitions for tree nodes that were replaced by
21822 (init_decl_processing): Build void_list_node.
21823 Call c_common_nodes_and_builtins; delete code to generate the common
21825 * objc/objc-act.c (build_module_descriptor): Rename variable
21826 void_list_node to avoid clash with c-common.h.
21828 * Makefile.in: Update dependencies.
21829 * objc/Make-lang.in: Likewise.
21831 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
21833 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
21834 (UNIQUE_SECTION_P): Likewise.
21835 (UNIQUE_SECTION): Likewise.
21837 1999-07-19 Linas Vepstas <linas@linas.org>
21839 * config/i370/README: New file.
21840 * config/i370/linux.h: New file.
21841 * config/i370/mvs.h: New file.
21842 * config/i370/oe.h: New file.
21843 * config/i370/t-linux: New file.
21844 * config/i370/t-mvs: New file.
21845 * config/i370/t-oe: New file.
21846 * config/i370/x-oe: New file.
21847 * config/i370/xm-linux.h: New file.
21848 * config/i370/xm-mvs.h: New file.
21849 * config/i370/xm-oe.h: New file.
21851 * i370.c (label_node_t): Add first_ref_page, label_addr,
21852 label_first_ref, label_last_ref members.
21853 (mvs_need_base_reload): Renamed from mvs_label_emitted.
21854 (MAX_MVS_LABEL_SIZE): Define.
21855 (MAX_LONG_LABEL_SIZE): Define.
21856 (alias_node_t, alias_anchor, alias_number): New.
21857 (mvs_function_table): Reorder for EBCDIC.
21858 (ascebc, ebcasc): Unconditionally define.
21859 (i370_branch_dest, i370_branch_length): New functions.
21860 (i370_short_branch, i370_label_scan): New functions.
21861 (mvs_get_label): Renamed from mvs_add_label. Search for
21862 an existing label before creating a new one.
21863 (mvs_add_label): New function.
21864 (mvs_get_label_page): New function.
21865 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
21866 over the entire list.
21867 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
21868 (mvs_check_page) [TARGET_ELF_ABI]: New function.
21869 (mvs_add_alias, mvs_need_alias): New functions.
21870 (mvs_get_alias, mvs_check_alias): New functions.
21871 (handle_pragma): New function.
21872 (mvs_function_check): New function.
21873 (unsigned_jump_follows_p): Search harder.
21874 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
21875 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
21876 * i370.h (TARGET_VERSION): Delete.
21877 (CPP_SPEC, CPP_PREDEFINES): Delete.
21878 (mvs_label_emitted): Delete.
21879 (TARGET_EBCDIC): Delete.
21880 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
21881 (HANDLE_PRAGMA): Define.
21882 (HARD_REGNO_NREGS): Handle complex modes.
21883 (HARD_REGNO_MODE_OK): Likewise.
21884 (CLASS_MAX_NREGS): Likewise.
21885 (RET_REG): Likewise.
21886 (EXTRA_CONSTRAINT): Define.
21887 (RETURN_IN_MEMORY): True for DImode.
21888 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
21889 (FUNCTION_PROFILER): Delete.
21890 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
21891 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
21892 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
21893 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
21894 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
21895 (ASM_FILE_START): Add "RMODE ANY".
21896 (ASM_OUTPUT_EXTERNAL): Check for aliases.
21897 (ASM_GLOBALIZE_LABEL): Likewise.
21898 (ASM_OUTPUT_LABELREF): Likewise.
21899 (ASM_OUTPUT_COMMON): Likewise.
21900 (PRINT_OPERAND): Handle 'K', 'W', default.
21901 (PRINT_OPERAND_ADDRESS): New.
21902 (Lots of defines): Add support for TARGET_ELF_ABI.
21903 * i370.md (attr length): New. Define for all patterns.
21904 (*): Lots of tweeks to assembly output and constraints.
21906 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
21908 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
21909 Disable patterns performing SImode comparisons with SImode values
21910 if TARGET_POWERPC64 and instruction does not sign-extend or does
21911 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
21912 differ for signed quantities.
21913 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
21914 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
21915 (decrement_and_branch_on_count): Add 64-bit variant.
21917 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21919 * final.c (output_asm_insn): When searching for the matching string
21920 for a given dialect, don't run past the end of the list of
21921 alternatives if there are fewer alternatives in the template than
21924 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
21926 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
21927 Removed paragraph about compression of files and size limitation,
21928 duplicated in the FAQ. Use gcc-patches for posting patches.
21929 * gcc.c (main): Updated URL with bug reporting instructions to
21930 gcc.gnu.org. Removed e-mail address.
21931 * system.h (abort): Likewise.
21933 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21935 * Makefile.in (stmp-multilib-sub): Make the files extracted
21936 from $(LIBGCC1) writable.
21938 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
21940 * config/arm/aout.h: Reformat for improved readability.
21942 * config/arm/arm.h: Reformat for improved readability.
21943 Replace uses of fprintf with asm_fprintf where appropriate.
21944 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
21945 function declaration assembler actions.
21946 (NUM_INTS): New macro: Convert from bytes to words.
21947 (NUM_REGS): New macro: Compute number of registers required to
21948 hold a quanitity of tyep MODE.
21949 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
21951 (NUM_ARG_REGS): New macro: The number of argument registers
21953 (ARG_REGISTER): New macro: Compute the register number of the Nth
21955 (LAST_ARG_REGNUM): New macro: The number of the last argument
21957 (SP_REGNUM): New macro: Register number of the stack pointer.
21958 (FP_REGNUM): New macro: Register number of the frame pointer.
21959 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
21960 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
21961 CUMULATIVE_ARGS so that it counts registers not bytes.
21963 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
21965 Replace uses of fprintf with asm_fprintf where appropriate.
21966 (output_ascii_pseudo_op): Replace with version from thumb.c
21968 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
21970 * config/arm/elf.h (CPP_PREDEFINES): Replace with
21971 SUBTARGET_CPP_SPEC.
21972 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
21973 (ASM_FILE_START): Emit ASM_APP_OFF.
21975 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
21977 * pa.c (compute_frame_size): Round frame according to
21978 STACK_BOUNDARY rather than a hardwired value.
21980 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
21982 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
21984 * configure: Rebuilt.
21986 * configure.in (hppa*-*-linux*): New configuration.
21987 * configure: Rebuilt.
21988 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
21989 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
21990 * pa/pa-linux.h: New file.
21991 * pa/t-linux: New file.
21992 * pa/xm-linux.h: New file.
21994 * pa.c (hppa_legitimize_address): Change references from SImode to
21995 either Pmode or word_mode as appropriate.
21996 (emit_move_sequence, store_reg, load_reg): Likewise.
21997 (set_reg_plus_d, hppa_expand_prologue): Likewise.
21998 (output_mul_insn): Likewise.
21999 * pa.h (PROMOTE_MODE): Likewise.
22000 (INITIALZE_TRAMPOLINE): Likewise.
22001 (Pmode): Define to word_mode.
22003 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
22004 value of 4. Allocate 8 bytes for each FP register save.
22005 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
22007 (hppa_expand_prologue): Likewise.
22008 * pa.h (PROMOTE_MODE): Likewise.
22009 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
22010 (FUNCTION_ARG_BOUNDARY): Likewise.
22012 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
22014 * pa.c (out_of_line_prologue_epilogue): Delete.
22015 (override_options): Remove -mspace related code.
22016 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
22017 (compute_frame_size): Only allocate space for register that
22018 actually need to be saved.
22019 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
22020 (TARGET_SWITCHES): Remove -mspace, -mno-space
22021 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
22022 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
22023 * pa/ee.asm, pa/ee_fp.asm: Delete.
22025 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
22027 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
22028 directive in column zero.
22030 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
22032 * m68k.c (output_function_prologue): Fix computation of save mask
22033 when generating PIC code.
22035 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
22037 * tree.c (build_type_attribute_variant): Move current_obstack restore
22038 after build_qualified_type call.
22040 1999-07-15 Mark Mitchell <mark@codesourcery.com>
22042 * configure.in: Use t-iris6, even with GNU LD.
22043 * config/mips/iris6gld.h: Fix typo in linker spec.
22044 * config/mips/t-iris6gld: Remove.
22046 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
22048 * rs6000.md (insv, extzv): Remove SImode dependence in named
22049 patterns. Explicitly generate DImode RTL if PowerPC64 and
22051 (insvdi): Reverse start and size in instruction template.
22053 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
22055 * invoke.texi: Typo fixes.
22057 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
22059 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
22060 handle at this time instead of silently generating incorrect code.
22061 (gen_imagpart): Likewise.
22063 * reload.c (find_reloads): Emit a USE for a pseudo register without
22064 a hard register if we could not create an optional reload for the
22067 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22069 * c-typeck.c (output_init_element, process_init_element):
22070 When advancing constructor_unfilled_fields for a RECORD_TYPE,
22071 check for nameless bit fields.
22073 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
22075 * regclass.c (scan_one_insn): Notice subregs that change the
22076 size of their operand.
22077 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
22079 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
22081 * configure.in (alpha*-*-*): Include alpha/t-ieee.
22082 * configure: Rebuilt.
22083 * alpha/t-ieee: New file.
22085 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
22087 * rs6000.c (find_addr_reg): Do not select r0 as an address
22090 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
22092 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
22094 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
22096 * rs6000.md (movsf): Do not force easy FP constants into memory.
22098 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
22099 immed_double_const to ensure they are properly truncated then
22102 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
22104 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
22105 always unless NO_DEBUG is used. Compile this code
22107 (replace_symbols_in_block): Compile it unconditionally.
22109 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
22111 * configure.in (i?86-*-elf*): New target.
22112 * configure: Rebuilt.
22113 * i386/i386elf.h, i386/t-i386elf: New files.
22115 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
22117 * toplev.c (main): Don't complain about saying -gdwarf.
22118 (rest_of_compilation): Remove redundant code.
22120 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
22122 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
22124 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
22126 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
22127 "Li960R:", to avoid name clash.
22129 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22131 * loop.c (check_dbra_loop): When reversing a loop, delete all
22132 REG_EQUAL notes referencing the reversed biv except those which are
22133 for a giv based on it.
22135 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
22137 * version.c: Drop "gcc-" prefix from version #.
22139 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
22141 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
22142 the label if we're being verbose.
22144 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
22146 * m68k.c (output_function_prologue): Add pic register to mask
22147 if live and flag_pic.
22148 (output_function_epilogue): Likewise.
22150 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
22152 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
22153 directives in column zero.
22155 * pa/elf.h (ASM_FILE_START): Define.
22156 * pa/som.h (ASM_FILE_START): Include .level directives.
22157 * pa/hpux10.h (ASM_FILE_START): Delete.
22158 * pa/hpux11.h (ASM_FILE_START): Delete.
22160 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
22162 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22164 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
22165 when reload_out equals reload_in.
22167 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
22169 * invoke.texi (Spec Files): New node: Describe the contents of
22172 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
22174 * invoke.texi (DEC Alpha Options): Put @end table at
22175 beginning of line, to avoid confusing texi2html.
22177 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
22179 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
22180 introduced in previous delta.
22182 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22184 * reload1.c (gen_reload): When synthesizing a 3 operand add
22185 sequence, improve test for when to reload OP1 into the reload
22186 register instead of OP0.
22188 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
22190 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
22192 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
22194 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
22197 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
22199 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
22200 (va_dcl): Use __builtin_va_alist_t.
22202 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
22204 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
22205 on the permanent_obstack.
22206 * dwarfout.c (output_type): Likewise.
22208 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
22210 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
22211 Merged from c-typeck.c and cp/typeck.c.
22212 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
22213 Merged into c-common.
22215 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
22217 * c-lex.c (errorcount): Declare it.
22218 (finish_parse): Update errorcount when using CPPLIB.
22220 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
22222 * fixinc/inclhack.def(end_else_label): Double the backslash so
22223 sed gets a chance to see it.
22224 * fixinc/inclhack.sh: regen
22225 * fixinc/fixincl.x: regen
22227 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
22229 Add framework to support armv5 architecture when it becomes
22232 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
22233 (arm_arch5): New variable.
22234 (all_architectures): Add armv5 line.
22235 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
22236 -march=armv5 is specified on the command line.
22237 (arm_arch5): Export this variable.
22238 * invoke.texi: Document new string accepted by -march= switch for
22241 * config/arm/arm.h: Replace use of constant 12 as a register
22242 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
22243 * config/arm/arm.c: Replace use of constant 12 as a register
22244 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
22246 * config/arm/elf.h: Tidy up.
22247 * config/arm/coff.h: Tidy up.
22249 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
22251 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
22252 * gcc/config/mips/t-iris6gld: New file.
22253 * gcc/config/mips/iris6gld.h: Likewise.
22255 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
22257 * c-decl.c (widest_integer_literal_type_node,
22258 widest_unsigned_literal_type) : New.
22259 (init_decl_processing): Handle/use the two new types.
22260 * c-common.c (type_for_size,type_for_mode) : Same.
22261 * c-lex.c (yylex) : Same.
22262 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
22264 * c-tree.h (widest_integer_literal_type_node,
22265 widest_unsigned_literal_type) : New.
22267 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
22269 * dwarfout.c (field_byte_offset): Correctly compute the object's
22270 byte offset for the first bit of a field which crosses an alignment
22271 boundary on a !BYTES_BIG_ENDIAN target.
22273 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
22275 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
22278 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
22279 Jeff Law <law@cygnus.com>
22281 * ginclude/varargs.h (va_dcl): Use word_mode for type of
22284 * except.c: Include intl.h.
22285 (expand_eh_return): Set current_function_cannot_inline.
22286 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
22287 * function.h (struct function): Add eh_return_stub_label.
22288 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
22289 * Makefile.in (except.o): Depend on intl.h.
22291 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
22293 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
22294 same as offsettable in cases 1 and 2.
22296 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
22298 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
22299 (extlh, extwh): Likewise.
22301 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
22303 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
22305 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
22307 * configure.in: Add arm-pe and thumb-pe targets.
22308 * configure: Regenerate.
22310 * thumb.c (arm_naked_function_p): New function: Determines if
22311 a function is naked (has no gcc generated prologue/epilogue).
22312 (is_called_in_ARM_mode): Return true if the func has the
22313 interfacearm attribute.
22314 (output_return): Do not generate a return for naked functions.
22315 (thumb_function_prologue): Do not generate a prologue for
22317 (thumb_expand_prologue): Do not generate a prologue for naked
22319 (thumb_expand_epilogue): Do not generate an epilogue for naked
22321 (arm_valid_machine_decl_attribute): New function, copied from
22322 arm.c: Permit naked and interfacearm attributes.
22324 * config/arm/pe.c: New file: Support code for arm-pe target.
22325 * config/arm/pe.h: New file: Header file for arm-pe target.
22326 * config/arm/tpe.h: New file: Header file for thumb-pe target.
22327 * config/arm/t-thumb-pe: New file: Makefile fragment for
22330 1999-07-01 Mark Kettenis <kettenis@gnu.org>
22332 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
22333 -fPIC or -fpic is specified.
22335 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
22337 * expr.c (emit_block_move): Use copy_to_mode_reg for
22338 !TARGET_MEM_FUNCTIONS case too.
22340 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
22342 * configure: Rebuilt.
22343 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
22344 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
22345 definitions made redundant by dbxelf.h inclusion. Delete
22346 lots of definitions related to assembly output that are
22347 specific to the SOM object format.
22348 * pa.c (output_function_prologue): Do not emit the function's
22350 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
22351 * pa-pro.h: Deleted.
22352 * som.h: New file with SOM specific definitions.
22353 * elf.h: New file with ELF specific definitions.
22355 * elfos.h (const_section): Output a tab before assembler directives.
22356 (ctors_section, dtors_section): Likewise.
22357 (ASM_OUTPUT_SECTION_NAME): Likewise.
22359 * pa/pa1.h: Delete unused file.
22361 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
22363 * configure.in (hppa*-hp-hpux11*): New configuration.
22364 * configure: Rebuilt.
22365 * pa/pa-hpux11.h: New file.
22366 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
22369 * mips.md (leasi, leadi): New patterns.
22371 * expr.c (emit_block_move): Properly handle case where one of the
22372 block move arguments has a queued increment or decrement.
22373 (clear_storage): Similarly. Fix formatting goof.
22375 1999-06-28 "David O'Brien" <obrien@NUXI.com>
22377 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
22378 semicolon from the BSD VA_LIST replacement expression.
22380 * fixinc/inclhack.sh: regen
22381 * fixinc/fixincl.x: regen
22383 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
22384 now use the fixincl program.
22386 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
22388 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
22389 case. Also make the PIC register call_used.
22391 * m68k.h (FINALIZE_PIC): Delete.
22392 * m68k.c (finalize_pic): Delete.
22394 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
22396 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
22399 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
22401 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
22403 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
22405 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
22407 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
22409 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
22411 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
22413 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
22415 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
22417 * rs6000.c (output_toc): Always use hex values for floating-point
22418 constants. Store single-precision values in upper-half of TOC
22419 entry in 64-bit mode.
22420 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
22421 to final constraints.
22422 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
22423 (fctiwz): Improve accuracy of RTL for pattern.
22425 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
22427 * expr.c (expand_expr): Allow RTL_EXPR's through the
22428 MAX_INTEGER_COMPUTATION_MODE checks.
22430 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
22432 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
22433 such that MASK_SUPPORT_ARCH is not negative.
22435 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
22437 * loop.c (verify_dominator): Properly handle ADDR_VEC and
22438 ADDR_DIFF_VEC insns that appear inside loops.
22440 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
22441 Jeff Law <law@cygnus.com>
22443 * rs6000.md (movdf_hardfloat32): Revert previous patch.
22444 Handle LO_SUM the same as offsettable in cases 1 and 2.
22445 * rs6000.c (find_addr_reg): Revert previous patch.
22447 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
22449 * system.h (strstr): New external function declaration.
22450 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
22451 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
22452 * config.in, configure: Rebuilt.
22454 1999-06-24 Tom Tromey <tromey@cygnus.com>
22456 * gcc.c (main): Read user-specified specs files after computing
22457 additional startfile_prefixes.
22459 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
22461 Revert these two patches:
22463 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22464 * loop.c (strength_reduce): When doing biv->giv conversion, update
22465 reg note of NEXT->insn.
22467 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22468 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22470 (recombine_givs): Set ix field after sorting.
22472 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22474 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
22475 for the parts of an UNSPEC / UNSPEC_VOLATILE.
22477 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
22479 *fixinc/inclhack.def: Add fix development commentary
22480 (read_ret_type): reactivate and add selection clause
22481 (zzz_*): tweak output file name to match what is used in hackshell.tpl
22482 *fixinc/{fixincl.x|inclhack.sh}: regen
22484 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
22486 * expr.c (expand_expr): STRIP_NOPS before checking against
22487 MAX_INTEGER_COMPUTATION_MODE
22488 (check_max_integer_computation_mode): Likewise.
22490 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
22492 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
22494 1999-06-22 Jim Wilson <wilson@cygnus.com>
22496 * expr.c (store_expr): When target is a promoted subreg, return a
22497 promoted subreg as a result.
22499 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
22501 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
22503 (dwarf2out_define): Mark unused parameters appropriately.
22504 (gen_unspecified_parameters_die): Ditto.
22505 (gen_subprogram_die): Fix signed/unsigned warnings.
22506 (gen_variable_die): Ditto.
22508 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
22510 * fixinc/inclhack.def(end_else_label): combined else_label
22511 and endif_label and fixed the sed expression.
22512 *fixinc/{fixincl.x|inclhack.sh}: regen
22514 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
22516 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
22517 'x' when handling non-offsettable addresses
22519 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
22521 * final.c (shorten_branches): Don't try to split an insn that has
22524 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
22526 * config/mips/mips.c (symbolic_expression_p): New function.
22527 (mips_select_rtx_section): Put symbolic expressions in the
22528 data section, not the read-only data section.
22530 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
22532 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
22534 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
22536 * collect2.c (main): Log frame table count.
22537 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
22538 (scan_prog_file) [COFF]: Handle frame tables.
22540 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
22541 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
22542 * alpha/elf.h: Undef them again.
22543 * alpha/vms.h: Remove their definitions.
22545 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22547 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
22548 remove the clobber of r0 and change the REG_UNUSED note to
22551 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
22553 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
22554 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
22555 fits in HOST_WIDE_INT and one uses union to access a long constant
22558 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
22560 * sparc.c (sparc_override_options): Don't allow profiling for
22561 code models other than medlow.
22562 (sparc_function_profiler): New function from old FUNCTION_PROFILER
22563 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
22564 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
22565 (sparc_block_profiler): Likewise.
22566 (sparc_function_block_profiler_exit): Likewise.
22567 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
22568 (FUNCTION_BLOCK_PROFILER): Likewise.
22569 (BLOCK_PROFILER): Likewise.
22570 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
22571 (MCOUNT_FUNCTION): New.
22572 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
22573 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
22574 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
22575 (MCOUNT_FUNCTION): New.
22576 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
22577 (BLOCK_PROFILER): Delete.
22578 (MCOUNT_FUNCTION): New.
22580 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
22582 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
22584 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
22586 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
22589 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
22592 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
22595 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
22598 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
22600 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
22603 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
22605 * i386/djgpp.h (LIB_SPEC): New.
22606 (STARTFILE_SPEC): New.
22608 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
22610 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
22612 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
22615 * system.h (WSTOPSIG): New macro.
22617 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
22619 * c-pragma.c (push_alignment): Don't ignore alignments greater than
22621 (insert_pack_attributes): Take into account member natural
22624 * i386/winnt.c (exports_head): New static variable.
22625 (i386_pe_record_exported_symbol): New function.
22626 (i386_pe_asm_file_end): Use.
22627 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
22628 symbols to be emitted at end of assembly.
22629 (ASM_DECLARE_OBJECT_NAME): Likewise.
22630 (ASM_DECLARE_FUNCTION_NAME): Likewise.
22632 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
22635 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
22637 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
22640 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
22642 * haifa-sched.c (sched_analyze_1): Use free_list instead of
22643 zapping reg_last_uses directly.
22644 (sched_analyze_2, sched_analyze_insn): Likewise.
22645 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
22647 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
22649 * rs6000.md (movdf_hardfloat32): Use worst case insn length
22650 attributes for cases 1 and 2.
22652 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
22654 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
22657 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
22659 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
22661 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
22663 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
22664 PIC_OFFSET_TABLE_REGNUM for general alloaction.
22665 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
22666 must be stacked if it is used for PIC accesses.
22667 * arm.c (use_return_insn): Handle PIC register specially.
22668 (output_return_instruction): Likewise.
22669 (output_func_{prologue,epilogue}): Likewise.
22670 (output_expand_prologue): Likewise.
22672 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
22673 (*strsi_predec): Renamed from *strqi_predec.
22674 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
22675 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
22677 * arm.c (arm_override_options): Remove warning about PIC code
22678 not being supported.
22680 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
22682 * rs6000.c (find_addr_reg): New function.
22683 * rs6000.h (find_addr_reg): Declare.
22684 (offsettable_addr_operand): Delete.
22685 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
22686 from and stores to GPRs.
22688 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
22690 * alpha.c (alpha_expand_block_move): Use get_insns rather than
22691 gen_sequence as argument to emit_no_conflict_block.
22693 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22695 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
22696 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
22697 *fixinc/fixincl.x: regen
22698 *fixinc/inclhack.sh: regen
22700 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
22702 * added support for -mpcrel (PC relative addressing for m68k)
22703 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
22704 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
22705 * m68k.c (print_operand_address): Handle 32-bit PIC case.
22706 (comments for general_src_operand): Add some explanation
22707 about EXTRA_CONSTRAINTS.
22708 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
22709 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
22710 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
22711 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
22712 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
22713 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
22714 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
22715 if not already set.
22716 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
22717 * m68k.h (TARGET_PCREL): New target flag.
22718 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
22719 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
22720 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
22721 contains a SYMBOL_REF. Relax this constraint during reload, since
22722 we want to use the predicates, not reload's built-in concept of a
22723 valid memory address, to control what insns need reloading.
22724 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
22725 operands (essentially 'g', 'm', and 's' under normal circumstances).
22726 * m68k.c (print_operand): Cause printing of pc-relative addresses
22727 to include pc register.
22728 (print_operand_address): Ditto.
22729 (general_src_operand): Accept operands that are not only
22730 general_operands, but are also valid when used as a pc-relative
22732 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
22733 (memory_src_operand): Similar, for memory_operands.
22734 (pcrel_address): New predicate to accept the special case of a
22735 pc-relative address.
22736 * m68k.md (many patterns): Rewrite common SImode, HImode, and
22737 QImode insns to accept *_src_operand instead of *_operand where
22738 pc-relative operands can fit. For example, a pc-relative operand
22739 can be used as a memory source operand for addsi3, but not as a
22740 memory destination.
22741 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
22743 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
22745 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
22746 .thumb_set pseudo op to mark aliases of thumb functions.
22748 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
22750 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
22751 preference to ASM_OUTPUT_DEF, if it is defined.
22753 * tm.texi: Document new, optional target macro
22754 ASM_OUTPUT_DEF_FROM_DECLS.
22756 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22758 * fixincludes: ISCNTL patch
22759 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
22760 (dgux_int_varargs): new for DG/UX
22761 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
22763 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
22765 * invoke.texi (ia32 options): Fix typo.
22767 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22769 * loop.c (strength_reduce): When doing biv->giv conversion, update
22770 reg note of NEXT->insn.
22772 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
22774 * loop.c (move_movables): Note issues with replacing REGs with
22776 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
22778 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
22780 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
22782 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
22783 the reference to `mcount' was not correct for the ELF on FreeBSD.
22785 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22787 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22790 (recombine_givs): Set ix field after sorting.
22792 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
22794 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
22795 to safe to extract a subword out of a REG.
22797 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22799 * sh.md (mulsi3): Don't add a no-op move at the end.
22801 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22803 * cse.c (cse_insn): Don't put hard register source into tables for
22804 the last insn of a libcall.
22806 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22808 * loop.c (strength_reduce): Insert sets of derived givs at every
22809 biv increment, even if it's the only one.
22811 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
22813 * dwarfout.c (add_incomplete_type): New fn.
22814 (output_type): Call it.
22815 (retry_incomplete_types): New fn.
22816 (dwarfout_finish): Call it.
22818 From Eric Raskin <ehr@listworks.com>:
22819 (output_type): Output types for bases.
22821 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22823 * mips.c (mips_output_conditional_branch): Add `break'
22824 between `default' label and `close braces'.
22826 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
22828 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
22829 specifications and make it realistic.
22830 (LIB_SPEC): Likewise.
22832 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
22834 * config/mips/mips.c (mips_secondary_reload_class): Check for
22835 (PLUS (SP) (REG)) and return appropriate register class.
22836 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
22837 Handle (PLUS (SP) (REG)).
22838 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
22839 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
22840 of emit_insn for tablejump.
22842 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
22844 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
22845 asm_fprintf format string by itself.
22846 (output_function_profiler): Likewise.
22848 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
22850 * combine.c (simplify_logical, case AND): Only call
22851 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
22852 or the constant is positive.
22854 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
22856 * configure.in: Fix typo in rs6000-ibm-aix4 case.
22857 * configure: Regenerate.
22859 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
22861 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
22862 require a sub-version #.
22863 * configure: Rebuilt.
22865 1999-06-14 Robert Lipe (robertlipe@usa.net)
22867 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
22869 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
22871 * c-typeck.c (process_init_element): Detect excess elements in
22872 char array initializer.
22874 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22876 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
22878 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
22880 * invoke.texi (Option Summary): Add -fpermissive flag.
22882 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
22884 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
22885 that require PIC code sequences.
22887 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
22889 * configure.in: Add new target: thumb-elf.
22890 * configure: Regenerate.
22891 * config/arm/t-thumb-elf: New file: Makefile fragment for
22893 * config/arm/telf.h: New file: Header file for thumb-elf
22896 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
22898 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
22899 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
22900 initializers is some circumstances.
22902 * fixinc/inclhack.def (endif_label): Add additional selector for
22903 more bogus stuff after #endif statements.
22904 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
22906 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
22908 * i386/cygwin.h (SET_ASM_OP): Define.
22910 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
22912 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
22914 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22916 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
22919 * sh.md (ic_invalidate_line_i): Remove second alternative.
22921 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22923 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
22924 test for the presence of valid prototypes. Delete bypass expr.
22925 (ioctl_fix_ctrl): Correct the selection expression.
22926 (no_double_slash): Correct quoting rules
22927 *fixinc/fixincl.x: regen
22928 *fixinc/inclhack.sh: regen
22930 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
22932 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
22934 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22936 * rs6000.md (movsi_got_internal_mem): Delete.
22937 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
22938 (GOT_TOC_REGNUM): Delete.
22939 (PIC_OFFSET_TABLE_REGNUM): Define.
22940 (FINALIZE_PIC): Disable.
22941 * rs6000.c (rs6000_got_register): New code for fixed pic register.
22942 (rs6000_replace_regno): Delete.
22943 (rs6000_finalize_pic): Likewise.
22944 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
22946 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22948 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
22949 is a note; use <= for the compare; advance P while it is
22952 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
22954 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
22955 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
22957 * varasm.c (remove_from_pending_weak_list): Verify t->name
22958 is non-NULL before passing it to strcmp.
22960 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22962 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
22963 the typed arguments are not part of a comment
22964 (ioctl_fix_ctrl): Added a purpose comment
22965 *fixinc/fixincl.x: regenerate
22966 *fixinc/inclhack.sh: regenerate
22968 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22970 * invoke.texi: Add C4x invocation docs.
22972 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22974 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
22976 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
22978 (c4x_legitimize_reload_address): New function.
22979 * config/c4x/c4x.md: Update docs.
22981 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
22983 * fixincludes: Avoid removing '.'.
22984 * fixinc/fixinc.svr4: Likewise.
22985 * fixinc/fixinc.winnt: Likewise.
22986 * fixinc/inclhack.tpl: Likewise.
22987 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
22989 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22991 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
22993 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
22995 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
22997 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
23000 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
23002 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
23003 * configure: Regenerate.
23005 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
23007 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
23010 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
23012 * fixinc/inclhack.def (avoid_bool): Also catch
23013 "typedef [unsigned] int bool".
23014 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
23016 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
23017 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
23018 * configure: Rebuilt.
23020 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
23022 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
23023 such that we can override its definitions if necessary.
23024 (CPP_SPEC): New define. Support processor specific predefines via
23026 (CC1_SPEC): New define. Support processor specific compiler
23027 options via %(cc1_cpu).
23028 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
23031 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23033 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
23034 between sed's -e flag, and the open-quote following it.
23035 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
23037 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
23038 Jeffrey A Law (law@cygnus.com)
23040 * varasm.c (assemble_start_function): Remove the function
23041 from the pending weak decls list when we define a function.
23042 (assemble_variable): Similarly for variables.
23043 (weak_finish): Ignore items on the list with a NULL name.
23044 (remove_from_ending_weak_list); New function to "remove" an item
23045 from the pending weak declarations list.
23047 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
23049 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
23051 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
23053 * c-lex.c (GETC): Redefine to call getch.
23054 (UNGETC): Redefine to call put_back.
23055 (putback_buffer): New structure type.
23056 (putback): New static structure.
23057 (getch): New function.
23058 (put_back): New function.
23059 (yylex): Replace unused bytes from bad multibyte character.
23061 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
23063 * cpplib.c (do_define): Cast `alloca' return value.
23064 (do_include, do_undef, do_pragma): Likewise.
23065 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
23067 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
23068 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
23070 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
23072 * sparc.md (abstf2): This should be an expand.
23073 (split after abstf2_notv9): Fix mode.
23074 (abstf2_hq_v9): New pattern.
23075 (abstf2_v9): Only use when no hard quad.
23076 (absdf2_v9): Fix if target is not the same as source.
23077 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
23078 Add correct output constraints.
23080 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
23082 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
23083 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
23085 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
23087 * mips.h (mips_output_conditional_branch): New function.
23088 (mips_adjust_insn_length): Likewise.
23089 (ASSEMBLER_SCRATCH_REGNUM): New macro.
23090 (ADJUST_INSN_LENGTH): Likewise.
23091 * mips.c (print_operand): Add `F' and `W' for floating-point
23092 comparison opcodes.
23093 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
23095 (mips_adjust_insn_length): New function.
23096 (mips_output_conditional_branch): New function.
23097 * mips.md (length): Adjust attribute definition to handle
23098 conditional branches. Change lengths to bytes, rather than
23099 instructions throughout. Remove length attribute from
23100 instructions whose length is four bytes, and rely on the default
23102 (dslot): Fix typo in comment.
23103 Reword conditional branch patterns to use
23104 mips_output_conditional_branch.
23106 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
23108 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
23109 (LIB_SPEC): Likewise.
23110 Link with -lprof1_r for -g/-pg.
23112 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
23114 * loop.c (check_dbra_loop): Fix change of Jan 19.
23116 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
23118 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
23119 (STARTFILE_SPEC): Define, override the svr4.h version.
23120 (ENDFILE_SPEC): Likewise.
23122 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
23124 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
23125 * fixinc/fixincl.x: Regenerated.
23126 * fixinc/inclhack.sh: Regenerated.
23128 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23130 * sh.c (barrier_align): Don't return early for normal branch/barrier
23131 when optimizing for SH2.
23133 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
23135 * i386/udk.h (LINK_SPEC): Correct linker search path for
23138 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23140 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
23141 (braf_label_ref_operand): Delete.
23142 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
23143 * sh.md (casesi_jump_2): Operand1 is now the inside of a
23144 label_ref, and has no predicate.
23145 The patten has a predicate to guard against invalid substitutions.
23146 (dummy_jump): Delete.
23147 (casesi): Update use of casesi_jump_2.
23149 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23151 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
23152 *fixinc/fixincl.x: regenerate
23153 *fixinc/inclhack.sh: regenerate
23155 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
23157 * dwarf2out.c (add_incomplete_type): New fn.
23158 (gen_struct_or_union_type_die): Call it.
23159 (retry_incomplete_types): New fn.
23160 (dwarf2out_finish): Call it.
23162 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
23164 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
23165 current block starts with a CODE_LABEL and ends with a CALL and
23166 we can not find all the argument setup instructions for the CALL.
23168 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
23170 Revert this change:
23171 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
23172 something is a candidate for optimize_bit_field_compare.
23174 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23176 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
23178 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
23180 * alpha.c (override_options): Thinko in last patch.
23182 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
23183 (LIB_SPEC): Recognize -pthread.
23185 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
23187 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
23188 definition in config/arm/coff.h
23189 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
23191 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23193 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
23194 fixes that need "file=xxx\n" prepended before invocation
23195 (start_fixer - new): starting the fixer process is complex enough
23196 to warrent its own routine. It prepends the "file=xxx\n" stuff.
23197 (process): uses the new routine; omit usage of putenv()
23198 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
23199 * fixinc/fixincl.x: regenerate
23201 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
23203 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
23204 and version #s (1.1 -> 2.96) as needed.
23205 * README.g77: Kill way out of date file in the toplevel directory.
23207 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
23209 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
23210 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
23211 * configure: Rebuilt.
23212 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
23213 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
23214 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
23215 (SWITCH_TAKES_ARG): Likewise.
23216 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
23217 * config/t-freebsd: Moved from config/i386/ so it can used for all
23220 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
23222 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
23224 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
23226 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
23227 * configure: Rebuilt.
23229 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
23231 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
23232 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
23233 * rs6000/rs6000.c (rs6000_file_start): Use putc.
23234 (rs6000_output_load_toc_table): Same.
23235 (output_prolog, output_mi_thunk): Same.
23236 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
23237 (ASM_GLOBALIZE_LABEL): Use putc.
23239 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
23241 * alpha.md (reload_*_help): New patterns and splitters.
23242 (reload_*): Use them.
23243 (mov[qh]i): Likewise.
23245 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
23247 * cccp.c (handle_directive): Handle backslash-newlines in quoted
23250 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
23252 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
23254 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
23256 * flow.c (mark_regs_live_at_end, insn_dead_p,
23257 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
23258 and HARD_FRAME_POINTER_REGNUM special treatment if reload
23259 hasn't run or the frame pointer is needed.
23260 * haifa-sched.c (attach_deaths): Likewise.
23261 * sched.c (attach_deaths): Likewise.
23263 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
23265 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
23266 calculate_can_reach_end returns nonzero.
23268 * configure.in (native gas tests): Search for an assembler in the
23269 same manner that the installed compiler will.
23270 * configure: Rebuilt.
23271 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
23273 * alias.c (find_base_term): Improve handling of addresses
23274 constructed from binary operations.
23276 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
23278 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
23280 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
23282 * function.h (cleanup_label, frame_offset): Declare.
23283 (tail_recursion_label, tail_recursion_reentry): Likewise.
23284 (arg_pointer_save_area, rtl_expr_chain): Likewise.
23285 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
23286 (tail_recursion_label, tail_recursion_reentry): Likewise.
23287 (arg_pointer_save_area, rtl_expr_chain): Likewise.
23289 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
23291 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
23293 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
23294 (MAX_OFILE_ALIGNMENT): Define.
23296 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
23298 * fixincl.c: Replace local include scheme with #includes of
23299 gansidecl.h and system.h.
23300 * procopen.c: Likewise.
23301 * server.c: Likewise.
23303 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
23305 * i386/t-dgux (EXTRA_PARTS): Add crti.o
23306 (crti.o): Add build rule and dependencies.
23307 * fixinc/fixinc.dgux: Use modified _int_varargs.h
23309 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23311 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
23312 (LIB_LINUX_SPEC): Likewise.
23313 (LIB_LINUX_SPEC): Add support for -pthread
23314 (CPP_OS_LINUX_SPEC): Likewise.
23315 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
23318 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
23320 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
23322 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
23323 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
23324 for IEEE math and CC_FCOMI.
23325 (put_jump_code): No IEEE if CC_FCOMI is set.
23327 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
23329 * fold-const.c (fold_truthop): Make the field reference unsigned
23330 when converting a single bit compare.
23332 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23334 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
23336 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
23338 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
23339 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
23342 * reload.c (push_reload): Do not call remove_address_replacements
23343 when presented with identical optional reloads.
23345 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
23347 * alpha.h (MASK_FIX, TARGET_FIX): New.
23348 (MASK_*): Reorganize constants.
23349 (CPP_AM_FIX_SPEC): New.
23350 (TARGET_SWITCHES): Add FIX.
23351 (EXTRA_SPECS): Likewise.
23352 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
23353 (SECONDARY_MEMORY_NEEDED): Likewise.
23354 (REGISTER_MOVE_COST): Likewise.
23355 * alpha.c (override_options): Add FIX support. Always use
23356 ALPHA_TP_PROG for ev6.
23357 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
23358 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
23359 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
23361 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
23363 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
23364 something is a candidate for optimize_bit_field_compare.
23366 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
23368 * gcc.texi (Passes): Document branch-shortening.
23369 * invoke.texi (Debugging Options): Document the fact that `-dp'
23370 outputs length information for instructions.
23372 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
23374 * flow.c: Revert previous delta.
23376 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
23378 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
23379 FRAME_POINTER_REGNUM.
23380 (mark_set_1): Ditto.
23381 (mark_used_regs): Ditto.
23383 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
23385 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
23386 (GOT_PCREL): New macro. Define to 1 if not already defined.
23387 * arm/elf.h (GOT_PCREL): Define to 0.
23388 * arm.c (arm_finalize_pic): Take into account the setting of
23391 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
23393 * output.h (STRIP_NAME_ENCODING): Provide default definition.
23394 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
23396 * flow.c (mark_set_1): Do not record BLKmode stores as dead
23397 store elimination candidates.
23399 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
23401 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
23404 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
23406 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
23407 Add use of x-aix41-gld.
23409 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
23411 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
23412 (ASM_OUTPUT_DESTRUCTOR): Define.
23414 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
23416 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
23417 last CODE_LABEL in a loop if we have previously passed a jump
23418 to the top of the loop.
23420 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
23422 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
23423 applying Philip's patch.
23425 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
23427 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
23430 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
23432 * loop.c (strength_reduce): Grow reg_single_usage as needed.
23434 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
23436 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
23437 Also remove a useless comment.
23439 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
23441 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
23443 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
23445 * collect2.c (main): Only generate import or export file and add
23446 to link arguments if non-empty. Use xmalloc not alloca.
23447 (write_{export,import}_file): Delete.
23448 (write_aix_file): New function.
23449 (locatelib): Use xmalloc not malloc.
23450 (GCC_OK_SYMBOL): Do not check type if aix64.
23452 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
23454 Based on patch by Scott Bambrough and Pat Beirne:
23455 * config/arm/arm.c (making_const_table): New variable.
23456 * config/arm/arm.h (making_const_table): Declare.
23457 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
23459 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
23460 Keep track of when we are building the constant table.
23462 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
23464 * config/arm/arm.c (arm_override_options): Fix erroneous warning
23467 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
23469 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
23472 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
23474 * tm.texi (FUNCTION_ARG): Correct description of a stack element
23477 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
23479 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
23481 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23483 * rs6000.c (output_mi_thunk): Enable full support again.
23485 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23487 * sh.h (BRANCH_COST): Define.
23489 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
23491 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
23493 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
23495 * function.c (assign_stack_local): Align stack slot propertly.
23496 (assign_outer_stack_local): Likewise.
23498 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
23500 * expr.h (lang_expand_constant): Declare.
23501 * toplev.c (lang_expand_constant): Define it.
23502 * varasm.c (output_constant): Use it.
23504 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23506 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
23507 Change function definitions to K&R style.
23509 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23511 * fixinc/fixincl.c: We must not ignore SIGCLD now.
23513 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
23515 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
23516 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
23517 (several places): omit static initialization
23518 (process): use single fd, since only the read fd is used
23519 * fixinc/gnu-regex.c: define 'const' away, if not supported
23520 * fixinc/procopen.c(several places): omit static initialization
23521 * fixinc/server.c: define 'volitile' away, if not supported
23523 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
23525 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
23526 asm_fprintf and %L to generate the label name.
23527 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
23528 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
23530 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
23532 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
23533 insn for a conditional jump can not be found.
23535 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
23537 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
23538 on variables in specific sections other than .sbss and .sdata.
23540 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
23542 * stmt.c (expand_return): Call start_cleanup_deferral and
23543 end_cleanup_deferral around conditional code.
23545 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23547 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
23548 filename lists. Utilizes new "krstr" AutoGen function.
23549 * fixinc/fixincl.x: Rebuilt.
23551 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
23553 * i386.c (output_float_compare): Avoid GNU-C extensions.
23555 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
23557 * version.c: Bump to distinguish mainline tree from the
23560 See ChangeLog.1 for earlier changes.