1 2000-04-10 Nick Clifton <nickc@cygnus.com>
3 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
7 (ARM_SIGN_EXTEND): Use HOST_UINT.
8 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
9 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
10 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
11 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
13 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
14 (arm_gen_constant): Use HOST_UINT.
15 (arm_canonicalize_constant): Use HOST_UINT.
16 (arm_reload_in_hi): Use HOST_UINT.
17 (arm_reload_out_hi): Use HOST_UINT.
18 (output_multi_immediate): Use HOST_UINT.
19 (int_log2): Use HOST_UINT.
20 (arm_poke_function_name): Use HOST_UINT.
21 (arm_output_epilogue): Use arm_volatile_func().
22 (output_thumb_prologue): Use arm_strip_name_encoding().
24 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
26 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
27 of sequence point problems.
29 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
31 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
33 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
35 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
37 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
38 __classof__, and __headof__ from the list of gnu keywords.
39 (-ansi): Remove -foperator-names from list of implied options.
40 Do not call it ANSI C++.
41 (-foperator-names): Document as -fno-operator-names.
43 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
45 * cpphash.c (timestamp): Delete.
46 (del_HASHNODE): If type is T_MCONST, free value.cpval.
47 (special_symbol): Remove unnecessary braces. Remove
48 T_VERSION. Treat T_STDC like T_CONST unless
49 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
50 when one is encountered, then convert them into T_MCONST
52 * cppinit.c (builtin_array): version_string is T_MCONST.
53 __STDC__ has a "1" in its cpval. Don't have a terminator
54 entry. Clean up which entries are dumped.
55 (initialize_builtins): Only __STDC__ gets the special
56 -traditional treatment. Count the length of builtin_array.
57 Render version_string here.
58 * cpphash.h: Remove T_VERSION. Add T_MCONST.
59 * cpplib.h (struct cpp_reader): Remove timebuf.
61 2000-04-09 Richard Henderson <rth@cygnus.com>
63 * genrecog.c (pred): Update comparison_operator for the unordered
66 * config/i386/i386.c (no_comparison_operator): Disallow unordered
68 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
69 (uno_comparison_operator): New.
70 (put_condition_code): Handle UNORDERED/ORDERED.
71 (unsigned_comparison): Likewise.
72 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
73 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
74 (ix86_expand_fp_compare): Use them. Take scratch as argument,
75 update all callers. Handle all 8 unordered operators.
76 (ix86_expand_setcc): Lose the unordered argument, update all callers.
77 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
78 * config/i386/i386.h (PREDICATE_CODES): Update.
79 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
80 (ix86_expand_branch, ix86_expand_setcc): Update.
81 * config/i386/i386.md (sunordered, sordered): New.
82 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
83 (bunordered, bordered): New.
84 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
85 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
86 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
88 2000-04-09 Philip Blundell <philb@gnu.org>
90 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
92 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
94 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
95 fix_truncxfhi2): New patterns.
96 * i386.c (output_fix_trunc): Handle converting to HImode.
98 2000-04-08 Alex Samuel <samuel@codesourcery.com>
100 * ssa.c (convert_to_ssa): Eliminate dead code when calling
102 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
103 (for_each_successor_phi): Change parameter to basic_block.
104 (coalesce_regs_in_successor_phi_nodes): Likewise.
105 (coalesce_regs_in_copies): Likewise.
106 (compute_coalesced_reg_partition): Use basic_block instead of index.
107 * rtl.h (convert_to_ssa): Delete.
108 (convert_from_ssa): Likewise.
109 (successor_phi_fn): Likewise.
110 (for_each_successor_phi): Likewise.
111 (in_ssa_form): Likewise.
112 * basic-block.h (convert_to_ssa): Moved from rtl.h.
113 (convert_from_ssa): Likewise.
114 (successor_phi_fn): Likewise.
115 (in_ssa_form): Likewise.
116 (for_each_successor_phi): Likewise. Change parameter to basic_block.
117 * flow.c (calculate_global_regs_live): Pass a basic_block to
118 for_each_successor_phi.
120 2000-04-08 Richard Henderson <rth@cygnus.com>
122 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
123 was modified in the current insn.
125 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
127 * arm/thumb.md: Delete.
128 * arm/thumb-protos.h: Delete.
130 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
132 Merge changes from merged-arm-thumb-backend-branch onto trunk.
134 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
136 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
139 * arm.md (nop): Use the standard RTL expression. Don't code as a
141 (*arm_nop, *thumb_nop): Delete.
143 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
144 constants. Use casts instead.
145 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
146 output_multi_immediate, arm_poke_function_name): Likewise.
147 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
148 MASK_RETURN_ADDDR): Likewise.
150 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
152 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
155 * arm.md (eh_epilogue): New function.
156 * arm.h (struct machine_function): Move to here ...
157 * arm.c: ... from here.
158 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
159 (thumb_exit): Extra parameter eh_ofs. All callers changed.
160 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
162 2000-03-30 Nick Clifton <nickc@cygnus.com>
164 * config/arm/semi.h (ASM_SPEC): Restore definition.
165 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
167 * config/arm/elf.h (ASM_SPEC): Restore definition.
168 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
170 * config/arm/arm.h (ASM_SPEC): Remove definition.
171 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
173 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
175 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
177 2000-03-24 Nick Clifton <nickc@cygnus.com>
179 Various formating tidyups, elimination of compile time
180 warnings and synchronisation with internal sources:
182 * config/arm/arm-protos.h (assemble_align): Add prototype.
183 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
184 (gen_comapre_reg): Rename to arm_gen_compare_reg.
185 (arm_return_addr_rtx): Rename to arm_return_addr.
187 * config/arm/arm.c: Include except.h.
188 Define shorter typenames for strict minipool_node and struct
190 (arm_return_in_memory): For WinCE return all structures <= 32 bits
192 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
193 (gen_comapre_reg): Rename to arm_gen_compare_reg.
195 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
197 (ASM_SPEC): Define if not already defined.
198 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
200 * config/arm/arm.md: Rename references to gen_rotated_half_load to
201 arm_gen_rotated_half_load, and references to gen_comapre_reg to
203 (indirect_jump): Only accept register operands.
204 (load_indirect_jump): Keep this pattern since combine can generate
207 * config/arm/coff.h: Include aout.h.
208 (MULTILIB_DEFAULTS): Only define if not already defined.
210 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
211 into arm.h (so that COFF ports can support thumb based aliases).
212 (ASM_SPEC): Move definition into arm.h
214 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
216 (ASM_SPEC): Move definition to arm.h
218 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
220 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
221 for entries in the .bss section
223 2000-03-23 Nick Clifton <nickc@cygnus.com>
225 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
226 to thumb_far_jump_used_p.
228 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
229 single integer parameter.
231 * config/arm/arm.c (struct machine_function): Add two new
232 fields, 'far_jump_used' and 'arg_pointer_live'.
233 (thumb_far_jump_used_p): Once the decision has been made that
234 far jumps might be used, always return true.
235 If being called from the initial elimination offset macro then
236 do not bother to perform the test if the arg pointer is not
238 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
239 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
241 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
243 * arm.c (output_return_instruction): Handle more cases where we can
244 return from a function with an ldr instruction.
245 (arm_output_epilogue): Likewise.
247 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
248 if we need to push a large stack frame and there are no callee-saved
251 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
252 in ARM code if the frame pointer has been eliminated.
254 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
255 unspec_volatile arguments to avoid duplicates.
256 (consttable_1, consttable_2): Fixes for big-endian mode.
258 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
261 Re-write constant pool code.
262 * arm.c (minipool_node, minipool_fix): New types.
263 (minifix): Delete type.
264 (arm_add_minipool_constant): Delete.
265 (arm_compute_minipool_offsets, arm_find_barrier,
266 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
267 (get_jump_table_size): Now returns HOST_WIDE_INT.
268 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
270 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
271 (assign_minipool_offsets, arm_print_value): Likewise.
272 (dump_minipool): Rewrite.
273 (arm_barrier_cost): New function.
274 (create_fix_barrier): New function.
275 (push_minipool_barrier): New function.
276 (push_minipool_fix): Record additional information about the fixup
278 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
279 check the mode of what needs fixing.
280 (arm_reorg): Rewrite.
282 2000-03-08 Nick Clifton <nickc@cygnus.com>
284 * config/arm/arm.md (indirect_jump): Force constant addresses into
287 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
289 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
291 2000-02-24 Nick Clifton <nickc@cygnus.com>
293 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
294 adjust is word aligned.
295 (thumb_expand_epilogue): Make sure that stack adjust is word
298 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
300 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
302 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
303 pointer relative addresses.
305 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
307 * arm.c (find_barrier): Find the last barrier within the allowed
310 2000-02-09 Nick Clifton <nickc@cygnus.com>
312 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
314 2000-02-09 Nick Clifton <nickc@cygnus.com>
316 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
317 ARM_FUNCTION_PROFILER.
319 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
320 ARM_FUNCTION_PROFILER.
322 * config/arm/linux-oldld.h: Imported from mainline sources.
324 2000-02-07 Nick Clifton <nickc@cygnus.com>
326 * config/arm/lib1funcs.asm: Merge in thumb functions from
329 * config/arm/lib1thumb.asm: Delete.
331 2000-02-04 Nick Clifton <nickc@cygnus.com>
333 * config/arm/arm.c: Sychronised with current Red hat local
335 * config/arm/arm.h: Ditto.
336 * config/arm/arm-protos.h: Ditto.
338 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
340 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
342 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
345 2000-02-02 Nick Clifton <nickc@cygnus.com>
347 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
349 * config/arm/arm.md (epilogue): Fix rtl checking abort because
350 (return) was emited using an emit_insn() call.
352 2000-01-31 Nick Clifton <nickc@cygnus.com>
354 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
356 (thumb_exit): Move frame pointer back into hard frame pointer
357 register if backtracing is being used.
359 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
361 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
364 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
366 * config/arm/arm.md (neg_pool_offset): Provide default for new
368 (arm_movsi_insn): Add neg_pool_offset attribute.
369 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
370 rtx for the insn that starts the scan and an unsigned long for its
371 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
372 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
373 instructions in *PINSERTED.
374 (struct minipool_fixup): Add MIN_ADDRESS elt.
375 (sort_fixups): Compute it.
376 (arm_reorg): Changes to support inserting pools before the insn to be
379 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
381 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
382 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
383 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
385 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
387 * config/arm/semi.h (TARGET_VERSION): Do not define if already
389 (TARGET_DEFAULT): Do not define if already defined.
391 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
393 * config/arm/arm.md (anddi3): Allow disjoint source operands.
394 (iordi3): Allow disjoint source operands.
395 (xordi3): Allow disjoint source operands.
396 (negdi2): Permit construction for ARM and Thumb.
397 (arm_negdi2): Renamed version of old negdi2 pattern.
398 (thumb_negdi2): New pattern: Only permit non-overlapping
399 source and destination.
401 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
403 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
404 scratch low register so that it will not be deleted.
406 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
408 * config/arm/pe.h (ARM_PE): Define.
410 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
411 interfacearm attribute if this is a PE toolchain.
412 (output_return_instruction): Do not emit anything if the function
413 has the naked attribute set.
414 (is_called_in_ARM_mode): If the function has the interfacearm
415 attribute then return true.
416 (thumb_expand_prologue): Do not generate a prologue for naked
418 (thumb_expand_epilogue): Do not generate an epilogie for a naked
420 (output_thumb_prologue): Do not bother if the function is naked.
421 Strip PE encoding from function name before emitting.
423 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
425 * arm.md (pic_load_addr): Fix constraints.
427 * arm.md (casesi_insn): Fix mis-applied patch.
429 * arm.md ("core" function unit): Add rules for single- and
431 (All TARGET_THUMB patterns): Add "type" attribute information
433 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
434 the following insn is a CALL.
436 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
438 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
439 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
440 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
442 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
444 * config/arm/linux-gas.h: oops - this file was missed out when the
445 branch was created...
447 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
449 * thumb.c: Deleted. Move contents to ...
451 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
453 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
456 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
457 declare a prototype for asm_output_align();
459 * arm.c (thumb_condition_code): Delete.
460 (arm_print_operand): Always use arm_condition_code array.
462 * arm.c (thumb_return_addr_rtx): Delete.
463 (arm_save_machine_status, arm_restore_machine_status): Delete.
464 (arm_init_machine_status, arm_mark_machine_status): New functions.
465 (arm_init_expanders): Update accordingly.
466 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
467 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
468 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
470 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
472 * configure.in : Fix arm-*-aout target to use new t-arm-aout
474 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
477 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
479 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
480 stack backtrace structure.
482 * config/arm/arm-protos.h: Add prototypes for functions defined in
485 * config/arm/arm.c (arm_override_options): Fix selection of
486 attributes of default processor.
488 * config/arm/coff.h: Delete needless #include.
490 * config/arm/pe.c: Delete unused code.
492 * config/arm/pe.h (CPP_DEFINES): Delete
493 (SUBTARGET_CPP_SPEC): Define.
494 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
496 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
498 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
500 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
502 (CAN_DEBUG_WITHOUT_FP): Define.
503 (FIXED_REGISTERS): Make r11 call-saved.
504 (CALL_USED_REGISTERS): Likewise.
505 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
506 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
507 frame-pointer is required.
508 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
509 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
510 if the target normally needs a stack frame in non-leaf functions.
511 (use_return_insn): Correct logic for determining when a return
512 instruction can be used.
513 (output_return_instruction): Handle the frame-pointer register as
514 a normal register when not TARGET_APCS_FRAME.
515 (arm_output_prologue): Likewise.
516 (arm_output_epilogue): Likewise.
517 (output_func_epilogue): Likewise.
518 (arm_expand_prologue): Likewise.
519 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
521 * arm.c (use_return_insn): No need to check floating point regs if
523 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
524 the code of value stored in the minipool array.
525 (arm_add_minipool_constant): Likewise.
527 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
529 * basic-block.h (conflict_graph_enum_fn): K&R fix.
531 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
533 * tree.c (tree_expr_nonnegative_p): New function.
535 * tree.h (tree_expr_nonnegative_p): Declare.
537 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
538 elide some sign_compare warnings.
539 (build_conditional_expr): Likewise.
541 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
543 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
545 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
546 * i386.c (print_operand): Use the proper suffix for a 387 HImode
547 operand. Abort if a 387 operand has an unsupported size.
549 2000-04-08 Neil Booth <NeilB@earthling.net>
551 * cppexp.c (parse_charconst): Null does not end character
553 * cppinit.c (ISTABLE): Null character handled as whitespace.
554 * cpplex.c (null_warning): new function.
555 (skip_string): Emit warning if nulls encountered.
556 (_cpp_skip_hspace): Emit warning if nulls encountered.
557 (_cpp_lex_token): Emit warning if nulls encountered. Drop
561 2000-04-07 Richard Henderson <rth@cygnus.com>
563 * flow.c (loop_depth): Remove.
564 (reg_next_use, cc0_live, mem_set_list): Replace with ...
565 (struct propagate_block_info): New.
566 (life_analysis): Don't allocate reg_next_use.
567 (propagate_block_delete_insn): Break out of propagate_block.
568 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
569 (propagate_block_delete_libcall): Likewise.
570 (propagate_block): Create a propagate_block_info struct to pass
571 to subroutines. Allocate one not two temporary regsets. Don't
572 clobber memory for const calls. Look for clobbers in
573 CALL_INSN_FUNCTION_USAGE.
574 (mark_set_regs): Recognize COND_EXEC.
575 (mark_set_reg): Break out of mark_set_1.
576 (mark_used_reg): Break out of mark_used_regs.
577 (mark_used_regs): Recognize COND_EXEC.
578 (insn_dead_p): Use propagate_block_info struct.
579 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
580 (find_auto_inc, try_pre_increment_1): Likewise.
581 (print_rtl_with_bb): Dump regs live at end too.
582 (count_reg_sets_1): Pass in loop_depth.
583 (count_reg_sets, count_reg_references): Likewise.
584 (recompute_reg_usage): Provide it.
586 2000-04-07 Richard Henderson <rth@cygnus.com>
588 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
591 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
593 * cpplib.c (do_elif): Skip the rest of the line if we're
594 not going to bother evaluating it.
595 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
596 to avoid pointless calls to the lexer.
598 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
600 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
602 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
604 * calls.c (expand_call): emit_queue if we're trying a sibcall.
606 2000-04-07 Jakub Jelinek <jakub@redhat.com>
608 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
610 2000-04-06 Geoff Keating <geoffk@cygnus.com>
612 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
613 crtend so they can be multilibbed.
614 (STAGESTUFF): Remove s-crt and s-crtS.
616 2000-04-07 Richard Henderson <rth@cygnus.com>
618 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
619 if we discover we need a pseudo and no_new_pseudos is true.
620 * config/alpha/alpha.md (ne:DI insn): New.
621 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
623 2000-04-07 Richard Henderson <rth@cygnus.com>
625 * rtl.def (COND_EXEC): New.
626 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
627 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
629 * genconfig.c (have_cond_arith_flag): Remove.
630 (have_cond_exec_flag): New.
631 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
632 (main): Print HAVE_conditional_execution.
634 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
635 (sched_analyze_insn, print_pattern): Likewise.
636 * reload.c (find_equiv_reg): Likewise.
637 * rtlanal.c (reg_referenced_p): Likewise.
638 (note_stores, dead_or_set_regno_p): Likewise.
639 (reg_overlap_mentioned_p): Rewrite to use a switch.
641 * ggc.h (struct rtx_def): Forward declare.
643 * print-rtl.c (debug_rtx_range): New.
644 * rtl.h (debug_rtx_range): Declare.
646 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
648 * gcse.c (gcse_main): Don't rebuild the CFG here.
649 (delete_null_pointer_checks): Likewise.
650 * ssa.c (convert_to_ssa): Likewise.
651 * toplev.c (rest_of_compilation): Do it here instead. Combine
652 sequential calls to TIMEVAR. Consistently use `insns' instead of
653 `get_insns()'. Always split insns after reload when optimizing.
655 * basic-block.h (merge_blocks_nomove): Declare.
656 (tidy_fallthru_edge): Declare.
657 * flow.c (merge_blocks_nomove): Document as merging into previous
658 blocks. Remove cruft from between blocks; remove all edges out of A.
659 (tidy_fallthru_edge): Export.
661 2000-04-06 Alex Samuel <samuel@codesourcery.com>
663 * ssa.c (compute_conservative_reg_partition): Declare with
665 * toplev.c (clean_dump_file): Remove previously-deleted function
666 inadvertantly merged back in.
667 * conflict.c (conflict_graph_add): Use a single call to
668 htab_find_slot to look up and insert.
670 2000-04-06 Richard Henderson <rth@cygnus.com>
672 * genrecog.c (*): Rename _last_insn to last_insn.
673 (make_insn_sequence): Set the position of the peephole2 C test
674 to be at the last insn.
676 2000-04-06 Richard Henderson <rth@cygnus.com>
678 * flow.c (compute_flow_dominators): Free worklist.
680 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
682 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
684 2000-04-06 Alex Samuel <samuel@codesourcery.com>
686 * rtl.h (INSN_P): New macro.
687 (successor_phi_fn): New typedef.
688 (for_each_successor_phi): New prototype.
689 (in_ssa_form): New variable.
690 (PHI_NODE_P): Likewise.
691 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
692 phi nodes in successors.
693 (mark_used_regs): Add PHI case.
694 (set_phi_alternative_reg): New function.
695 (life_analysis): Assert that dead code elimination is not selected
697 * toplev.c (to_ssa_time): New variable.
698 (from_ssa_time): Likewise.
699 (compile_file): Zero to_ssa_time and from_ssa_time.
700 Print time to convert to and from SSA.
701 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
702 (print_time): Compute percent fraction as integer.
703 * ssa.c (PHI_NODE_P): Moved to rtl.h.
704 (convert_to_ssa): Check if we're already in SSA.
705 Don't eliminate dead code in life_analysis.
706 Rerun flow and life analysis at bottom.
707 (eliminate_phi): Use canonical regnos when adding nodes.
708 (mark_reg_in_phi): New function.
709 (mark_phi_and_copy_regs): Likewise.
710 (convert_from_ssa): Rerun life analysis at top.
711 Use coalesced partition.
712 Check for removing a phi node at the end of the block.
713 (compute_coalesced_reg_partition): New function.
714 (coalesce_regs_in_copies): Likewise.
715 (coalesce_reg_in_phi): Likewise.
716 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
717 (for_each_successor_phi): Likewise.
718 (rename_context): New struct.
719 (rename_block): Use a rename_context with rename_insn_1. When
720 renaming sets of a subreg, emit a copy of the entire reg first.
721 (rename_insn_1): Treat data as a rename_context *. Save current
723 (rename_set_data): Add field set_insn.
724 * Makefile.in (HASHTAB_H): Move up in file.
725 (OBSTACK_H): New macro.
726 (collect2.o): Use OBSTACK_H in dependencies.
727 (sdbout.o): Likewise.
728 (emit-rtl.o): Likewise.
729 (simplify-rtx.o): Likewise.
730 (fix-header.o): Likewise.
731 (OBJS): Add conflict.o.
732 (conflict.o): New rule.
733 * basic-block.h: Include partition.h.
734 (conflict_graph): New typedef.
735 (conflict_graph_enum_fn): Likewise.
736 (conflict_graph_new): New prototype.
737 (conflict_graph_delete): Likewise.
738 (conflict_graph_add): Likewise.
739 (conflict_graph_conflict_p): Likewise.
740 (conflict_graph_enum): Likewise.
741 (conflict_graph_merge_regs): Likewise.
742 (conflict_graph_print): Likewise.
743 (conflict_graph_compute): Likewise.
744 * conflict.c: New file.
746 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
748 * tlink.c (read_repo_files): Don't look for .rpo info for
751 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
753 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
755 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
757 * config/sh/lib1funcs.asm (___udivsi3_i4):
758 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
759 only depends on FMOVD_WORKS.
761 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
763 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
764 make double constant 8-byte aligned.
766 2000-04-06 Jakub Jelinek <jakub@redhat.com>
768 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
769 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
770 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
771 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
772 Accept storing GENERAL_REGS into offsetable memory.
773 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
774 building a TFmode constant other than 0.0L into GENERAL_REGS.
776 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
778 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
780 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
782 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
783 (macro_cleanup): No need to cast pbuf->macro.
784 (collect_expansion): Use _cpp_get_define_token. Goto done if
785 it returns VSPACE. Remove check for trailing space after
787 (_cpp_create_definition): Don't diddle flags here. Return
789 (unsafe_chars): Handle c1 being EOF.
790 (push_macro_expansion): Use unsafe_chars for both accidental-paste
791 checks. Don't push the buffer till after we're done with
793 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
794 (PEEKN, FORWARD, GETC, PEEKC): Use them.
795 (cpp_push_buffer): Don't set new->alimit. Set new->mark
797 (_cpp_parse_assertion): Don't NUL terminate.
798 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
799 hspace before calling _cpp_parse_assertion. Remove all sets
800 of only_seen_white. Treat '\f' as hspace. Don't do anything
801 special with '\n' here.
802 (maybe_macroexpand): Handle T_EMPTY hash entries without
803 pushing a buffer at all.
804 (cpp_get_token): Handle clearing only_seen_white here. Handle
805 incrementing the line number here. Clear
806 potential_control_macro as well as only_seen_white, if
808 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
809 (_cpp_get_define_token): New function, basically like
810 _cpp_get_directive_token was but doesn't eat horizontal space.
811 Don't do anything with only_seen_white here.
812 (_cpp_get_directive_token): Just call _cpp_get_define_token
813 repeatedly till it returns non-hspace.
815 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
816 (conditional_skip, skip_if_group): Return int.
817 (DIRECTIVE_TABLE): Change origin of all conditional directives
819 (TRAD_DIRECT_P): New macro.
820 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
821 an error for a bogus directive, unless -lang-asm. Use
822 TRAD_DIRECT_P. Loop calling handler functions till one returns
824 (get_macro_name): Don't diddle flags here.
825 (do_define): Diddle flags here. Use _cpp_get_directive_token.
826 Create T_EMPTY nodes for #define macro /* nothing */.
827 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
828 Use hp->name when calling pass_thru_directive.
829 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
830 Return the result of conditional_skip and/or skip_if_group.
831 Don't call _cpp_output_line_command.
832 (consider_directive_while_skipping): Use _cpp_get_directive_token.
833 Issue -Wtraditional warnings as appropriate. Don't complain
834 about unrecognized directives. If we are to stop skipping,
835 return the number of the directive that ended the skip.
836 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
837 expansion and line commands while skipping. Return the result
838 of consider_directive_while_skipping, if nonzero.
839 (do_endif): Just set potential_control_macro here.
840 (validate_else): Use _cpp_get_directive_token.
841 (do_assert, do_unassert): Don't save pointers into the
842 token_buffer across calls to the lexer. Use
843 _cpp_get_directive_token.
845 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
846 pointer, not an offset. Replace 'data', which was a generic
847 pointer, with 'macro', which points to a struct hashnode.
848 (cpp_reader): Add 'potential_control_macro' pointer.
849 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
850 (CPP_BUF_GET, CPP_FORWARD): Delete.
851 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
852 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
853 ACTIVE_MARK_P): Update.
854 (_cpp_get_define_token): New internal function.
855 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
857 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
859 * configure.in: And here.
860 * configure: Regenerate.
861 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
862 --enable-libstdcxx-v3 is passed at configure time.
863 * config.h.in: Regenerate.
865 2000-04-05 Mark Mitchell <mark@codesourcery.com>
867 * final.c (final): Use xcalloc to allocate line_note_exists.
868 * function.c (free_after_compilation): Free the temp_slots.
869 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
870 (combine_temp_slot): Free temp_slots when they get combined.
871 (purge_addressof): Fix typo in comment.
872 * stmt.c (mark_goto_fixup): Mark the fixup itself.
873 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
875 * ggc.h: Include varray.h.
876 (ggc_pending_trees): Declare.
877 (ggc_mark_tree_children): Remove declaration.
878 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
879 * ggc-common.c (ggc_pending_trees): New variable.
880 (ggc_mark_roots): Call ggc_mark_trees.
881 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
882 the ggc_pending_trees.
883 * Makefile.in (GGC_H): New variable. Use it throughout in place
886 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
888 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
891 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
893 * sh.c (sh_insn_length_adjustment): New function.
894 * sh-protos.h (sh_insn_length_adjustment): Declare.
895 * sh.h (ADJUST_INSN_LENGTH): Use it.
897 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
899 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
900 from the insn where REG_RETVAL is added.
901 (emit_no_conflict_block): Ditto.
903 * md.texi (Standard Names): Clarify when movX is needed.
905 * combine.c (simplify_comparison) [MINUS]: Do not replace
906 all (op (minus A B) 0) with (op A B).
908 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
909 J"orn Rennecke <amylaar@cygnus.co.uk>
911 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
912 (block_lump_real): Likewise.
914 2000-04-05 Chris Demetriou <cgd@netbsd.org>
916 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
917 remaining non-zero debugging masks.
919 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
921 * basic-block.h (verify_flow_info): Declare.
922 (flow_loop_outside_edge_p): Declare.
923 * flow.c (verify_flow_info): Remove declaration.
924 (clear_log_links, flow_loop_outside_edge_p): Likewise.
926 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
928 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
931 2000-04-05 Jakub Jelinek <jakub@redhat.com>
933 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
934 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
935 seqdi_zero_trunc+1): Allow splits only if registers are
938 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
940 * acconfig.h: Add HAVE_GAS_HIDDEN.
941 * config.in: Regenerated.
942 * configure.in: Add test for .hidden pseudo-op in gas.
943 * configure: Regenerated.
944 * crtstuff.c: Include auto-host.h.
945 Emit additional .hidden pseudo-op for __dso_handle if the
946 assembler knows about it.
948 2000-04-04 Philippe De Muyter <phdm@macqel.be>
950 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
951 before freeing argnames.
952 * cpplib.c (do_ifndef): Cast return value of xstrdup.
954 2000-04-05 Michael Meissner <meissner@redhat.com>
956 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
957 Walton <jonboy@gordian.com> to make memory references with update
958 work wtih -mregnames.
960 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
962 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
963 (regrename_optimize): Rename variables `def_uses' and
964 `ext_basic_blocks' to avoid conflicts with similarly named
965 typedefs in traditional C.
967 * calls.c (initialize_argument_information): Fix typo in previous
970 2000-04-04 Richard Henderson <rth@cygnus.com>
972 * regrename.c (consider_available): Test fixed_regs not
973 PIC_OFFSET_TABLE_REGNUM.
975 2000-04-04 Geoff Keating <geoffk@cygnus.com>
977 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
979 (CRTSTUFF_T_CFLAGS_S): Delete definition.
980 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
981 (ENDFILE_LINUX_SPEC): Always use crtend.
982 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
983 (powerpc-*-linux-gnu): Likewise.
984 * configure: Regenerate.
986 * config/rs6000/eabi.h: Don't include sysv4.h.
987 (MULTILIB_DEFAULTS): Don't define.
988 * config/rs6000/eabiaix.h: Don't include eabi.h.
989 * config/rs6000/eabile.h: Delete.
990 * config/rs6000/eabilesim.h: Delete.
991 * config/rs6000/eabisim.h: Don't include eabi.h.
992 * config/rs6000/linux.h: Don't include sysv4.h.
993 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
994 (MULTILIB_DEFAULTS): Don't redefine.
995 * config/rs6000/rtems.h: Don't include eabi.h.
996 * config/rs6000/sol2.h: Don't include sysv4le.h.
997 * config/rs6000/sysv4le.h: Don't include sysv4.h.
998 * config/rs6000/t-ppc: Delete.
999 * config/rs6000/t-ppcgas: Correct comment.
1000 * config/rs6000/t-ppcos: Correct comment. Don't build
1001 multilibs for -fPIC, rather use -fPIC -mstrict-align
1003 * config/rs6000/t-ppc: Delete.
1004 * config/rs6000/vxppc.h: Don't include sysv4.h.
1005 * config/rs6000/vxppcle.h: Delete.
1006 * configure.in: Use multiple header files for p2pc ELF targets
1007 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
1008 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
1009 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
1010 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
1011 always available for these platforms.
1013 2000-04-04 Richard Henderson <rth@cygnus.com>
1015 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
1017 2000-04-04 Stan Cox <scox@cygnus.com>
1019 * Makefile.in: Add rules for regrename.o
1020 * regrename.c: New file.
1021 * rtl.h (regrename_optimize): Add prototype.
1022 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
1023 (compile_file, decode_d_option): Add support for -frename-registers.
1024 (rest_of_compilation): Call regrename_optimize.
1025 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
1028 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1030 * Makefile (gccbug): New target.
1031 (doc): Depend on it.
1032 * gcc.texi (Bugs): Link subnodes.
1034 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
1035 Document severities, priorities, and classes in bug form.
1037 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
1039 * cpplex.c (trigraph_map, speccase): Combine into single
1041 (NORMAL, NONTRI): New macros.
1042 (_cpp_read_and_prescan): Change to use unified table. Use
1043 is_hspace to test for whitespace.
1045 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
1046 definition that doesn't provoke the "empty body in an
1047 if-statement" warning.
1049 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
1051 * builtins.c (expand_builtin_strlen): Force the source to
1052 be a memory address.
1054 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1056 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
1058 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1060 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
1061 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
1062 (ECF_IS_CONST): Rename to ECF_CONST.
1063 (special_function_p): Make static, change interface.
1064 (flags_from_decl_or_type, try_to_integrate): Break out from ...
1065 (expand_call) ... here; convert number of variables to flags.
1066 (emit_library_call_vlue_1): Likewise.
1067 (setjmp_call_p): New function.
1068 (initialize_argument_information): Accepts flags as argument;
1070 (precompute_arguments): Likewise.
1071 * tree.h (special_function_p): Remove.
1072 (setjmp_call_p): Add prototype.
1074 2000-04-04 Jakub Jelinek <jakub@redhat.com>
1076 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
1077 so that addresses are offsetable by up to 16 bytes.
1078 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
1079 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
1082 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
1083 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
1084 (movsf): Don't force any constant to memory if target is integer
1086 Move fp_zero_operand check below the const0_rtx check.
1087 (movtf): Likewise. Also allow fp_zero_operand for stores into
1089 (movdf): Likewise. Also allow fp_zero_operand for stores into
1090 memory and into integer hard registers.
1091 (clear_df, clear_dfp, movdf_const_intreg_sp32,
1092 movdf_const_intreg_sp64): Remove.
1093 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
1095 (movdf_no_e_insn_v9_sp32): New pattern.
1096 (movdf_insn_v9only): Remove.
1097 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
1098 (movdf_insn_sp64): Remove.
1099 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
1100 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
1101 (following splits): Rewrite conditions. Add two new splits
1102 for storing 0.0 into memory and registers.
1103 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
1104 (movtf_insn_sp32): Redo constraints and conditions.
1105 (movtf_insn_vis_sp32): New pattern.
1106 (movtf_no_e_insn_sp32): Redo constraints and conditions.
1107 (movtf_insn_hq_sp64): Likewise.
1108 (movtf_insn_hq_vis_sp64): New pattern.
1109 (movtf_insn_sp64): Redo constraints and conditions.
1110 (movtf_insn_vis_sp64): New pattern.
1111 (movtf_no_e_insn_sp64): Redo constraints and conditions.
1112 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
1114 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
1115 -mvis or -m64 to take down the number of various reload patterns.
1117 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
1119 * pa/pa-64.h: New file.
1120 * pa/pa64-regs.h: New file.
1121 * pa/pa64-start.h: New file.
1122 * pa/t-pa64: New file.
1123 * pa/xm-pa64hpux.h: New file.
1125 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1127 * sparc.c (output_restore_regs): Prototype.
1128 (sparc_emit_float_lib_cmp): Constification.
1130 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
1132 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
1135 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
1136 (get_value_hash, hash_rtx): Likewise.
1138 * ssa.c (compute_conservative_reg_partition): Prototype.
1140 * tree.c (mark_hash_entry): Prototype.
1142 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
1144 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
1145 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
1146 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
1148 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
1149 * objc/lang-specs.h: Likewise.
1151 2000-04-03 Neil Booth <NeilB@earthling.net>
1153 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
1154 and SYNTAX_ERROR2. Replace `' in messages with ''.
1155 (op_to_str): Make re-entrant.
1156 (_cpp_parse_expr): Implement new error macros. Use | rather
1157 than || to logically or 2 boolean integers. Simply expression
1158 checking we have a left operand iff needed.
1160 2000-04-03 Nick Clifton <nickc@cygnus.com>
1162 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
1164 2000-04-03 Philip Blundell <philb@gnu.org>
1166 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
1168 2000-04-03 Felix Lee <flee@cygnus.com>
1170 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
1171 (run_shell): Use it.
1173 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
1175 * Makefile.in (stmp-int-hdrs): Make include subdir here...
1176 (stmp-fixproto): ...rather than here.
1178 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
1180 * pa.c (print_operand): Compute 'base' only inside the code paths
1183 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
1185 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
1188 2000-04-03 Philipp Thomas <pthomas@suse.de>
1190 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
1192 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
1194 * Makefile.in (alias.o): Depend on $(TREE_H).
1196 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
1198 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
1200 * cpplib.c (_cpp_handle_directive): Improve warnings for
1201 traditional C and indented directives.
1203 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
1204 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
1205 fixinc/inclhack.def: Indent the # of #include_next one space.
1206 * cp/rtti.c: Un-indent #if and #endif.
1208 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
1209 syntax error, but an error has already been printed.
1210 * cpplex.c (_cpp_parse_assertion): Give a more specific error
1211 message when called with nothing remaining on the line.
1212 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
1213 OTHER token, not an ASSERTION.
1214 * cpplib.c (do_assert): When we create a 'base' node, clear
1215 its aschain pointer.
1217 2000-04-02 Neil Booth <NeilB@earthling.net>
1219 * cppexp.c: New typedef op_t. struct operation and struct
1220 token updated to use it.
1221 (op_to_str): New function.
1222 (_cpp_parse_expr): Error messages modified to use op_to_str.
1224 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1226 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
1227 before checking MUST_PASS_IN_STACK.
1229 2000-04-02 Neil Booth <NeilB@earthling.net>
1231 * cppexp.c: New FINISHED dummy token. Combine operator initial
1232 flags and initial priority into a single constant. New
1233 EQUALITY macro. New operator flag SHORT_CIRCUIT.
1234 (_parse_cpp_expr): Implement new constants. Take left operand
1235 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
1236 parse indicated by reducing FINISHED token. Remove new lines
1237 from cpp_error messages.
1239 2000-04-01 Mark Mitchell <mark@codesourcery.com>
1241 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
1244 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
1246 * cpplib.c: Include symcat.h. Add 'origin' field to struct
1247 directive. Add origin values to DIRECTIVE_TABLE. Generate
1248 the strings and function names on the fly. Take the #sccs
1249 entry out of the table if SCCS_DIRECTIVE is not defined.
1250 (_cpp_handle_directive): Decide if the # was at the beginning
1251 of the line here. Issue -pedantic warnings for extended
1252 directives here. Warn about K+R directives with the #
1253 indented, and C89/extended directives with the # not indented,
1255 (do_import, do_include_next, do_warning, do_ident, do_sccs,
1256 do_assert, do_unassert): Don't issue pedantic warning here.
1258 * cpphash.h: Add CPP_WTRADITIONAL macro.
1259 * cpplib.h (struct cpp_options): Rename warn_stringify to
1260 warn_traditional; update comments.
1261 * cppinit.c (handle_option): Set warn_traditional not
1263 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
1264 CPP_WTRADITIONAL (pfile).
1265 * cpplex.c (_cpp_lex_token): Don't decide if directives should
1266 be ignored in -traditional mode here.
1268 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
1269 to initialize speccase[] and trigraph_map[]. Delete all
1270 references to pfile->input_speccase. Always treat '?' as a
1271 special character. Remove table-initialization code from
1272 _cpp_init_input_buffer.
1274 * cpplib.h (struct cpp_reader): Remove input_speccase field.
1275 * cppinit.c (cpp_cleanup): Don't free input_speccase.
1277 2000-04-01 Richard Henderson <rth@cygnus.com>
1279 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
1280 (mostlyclean): Likewise.
1282 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
1283 (struct dump_file_info, enum dump_file_index, dump_file): New.
1284 (open_dump_file): Take a dump_file_index not a suffix, and a decl
1285 not a string. Clean out file if we havn't yet done so. Do nothing
1286 if the dump isn't enabled.
1287 (close_dump_file): Do nothing if the dump isn't open. Dump
1288 graph data if requested.
1289 (dump_rtl, clean_dump_file): Remove.
1290 (compile_file): Don't clean the dump files. Only finalize .bp dump
1291 if flag_test_coverage or flag_branch_probabilities. Only finalize
1292 .combine dump if optimizing. Iterate over dump_file to finalize the
1294 (rest_of_compilation): Update for open_dump_file/close_dump_file.
1295 Convert all uses of dump_rtl.
1296 (decode_d_option): Iterate over dump_file to implement 'a' and to
1297 locate pass-specific dumps.
1299 2000-04-01 Neil Booth <NeilB@earthling.net>
1301 * cppexp.c: Redefine priority constants.
1302 (_cpp_parse_expr): Replace left and right priority scheme with
1303 single priority logic. Move LOGICAL to same place as COMPARE.
1304 Remove bogus check for multiple unary +/- operators.
1306 2000-04-01 Neil Booth <NeilB@earthling.net>
1308 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
1309 within the switch statement. Binary operations break out of
1310 the switch naturally. '(' tokens handled by forcing
1311 immediate shift. ')' handled by forcing immediate reduce to
1312 the previous '('. New error messages.
1314 2000-03-31 Geoff Keating <geoffk@cygnus.com>
1316 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
1317 part', it's already in use. Use %K instead. Add a return at the
1318 end of what is now %K.
1319 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
1321 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1323 * builtins.c (expand_builtin_apply): Pass proper parameters to
1324 allocate_dynamic_stack_space.
1325 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
1326 update stack_pointer_delta; do not update arg_size_so_far.
1327 (compute_argument_block_size): Use stack_delta instead of
1328 stack_pointer_pending and arg_size_so_far.
1329 (expand_call): Add sanity checking for stack_pointer_delta;
1330 save and restore stack_pointer_delta for SIB, use
1331 stack_pointer_delta for alignment; do not update arg_space_so_far.
1332 (emit_library_call_value): Use stack_pointer_delta for alignment.
1333 (store_one_arg): Do not update arg_space_so_far.
1334 * explow.c (adjust_stack, anti_adjust_stack): Update
1335 stack_pointer_delta.
1336 (allocate_dynamic_stack_space): Add sanity checking for
1337 stack_pointer_delta.
1338 * expr.c (init_expr, clear_pending_stack_adjust): Clear
1339 stack_pointer_delta.
1340 (emit_push_insn): Update stack_pointer_delta.
1341 * function.h (struct expr_status): Add x_stack_pointer_delta;
1342 remove x_arg_space_so_far.
1343 (arg_space_so_far): Remove.
1344 (stack_pointer_delta): New macro.
1346 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
1348 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
1349 Reorder struct cpp_options and struct cpp_reader for better
1350 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
1351 takes two args. Change all 'char' flags to 'unsigned char'.
1352 Move show_column flag into struct cpp_options. Don't
1353 prototype cpp_options_init.
1354 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
1355 cppinit.c, cpplex.c, cpplib.c:
1356 Replace CPP_OPTIONS (pfile)->whatever with
1357 CPP_OPTION (pfile, whatever), and likewise for
1358 opts = CPP_OPTIONS (pfile); ... opts->whatever;
1360 * cppinit.c (merge_include_chains): Take a cpp_reader *.
1361 Extract CPP_OPTION (pfile, pending) and work with that
1363 (cpp_options_init): Delete.
1364 (cpp_reader_init): Turn on on-by-default options here.
1365 Allocate the pending structure here.
1366 (cl_options, enum opt_code): Define these from the same table,
1367 kept in a large macro. Add -fshow-column and -fno-show-column
1370 * cpperror.c (v_message): If show_column is off, don't print
1373 * cppmain.c: Update for new interface.
1374 * fix-header.c: Likewise.
1376 2000-03-30 Geoff Keating <geoffk@cygnus.com>
1378 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
1380 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
1381 are passed to any invocation of AR_FOR_TARGET.
1382 (AR_CREATE_FOR_TARGET): New macro.
1383 (AR_EXTRACT_FOR_TARGET): New macro.
1384 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
1385 AR_EXTRACT_FOR_TARGET.
1386 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
1387 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
1388 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
1389 AR_EXTRACT_FOR_TARGET to sub-makes.
1391 2000-03-31 Neil Booth <NeilB@earthling.net>
1393 * cppexp.c: Delete SKIP_OPERAND. Correct priority
1395 (_cpp_parse_expr): Check for multiple unary +/- operators.
1396 Correct priorities of ':' and '?'. Treat ')' as having a
1397 value. Ensure conditional expression is not void.
1399 2000-03-31 Mark Mitchell <mark@codesourcery.com>
1401 * alias.c (canon_rtx): Make it global.
1402 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
1404 * cse.c (struct table_elt): Add canon_exp.
1406 (invalidate): Canonicalize expressions only once.
1407 * rtl.h (canon_rtx): Declare.
1409 2000-03-30 Mark Mitchell <mark@codesourcery.com>
1411 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
1412 * alias.c (reg_known_value): Add comments.
1413 (init_alias_analysis): Likewise.
1414 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
1416 (cse_basic_block): Fix typo in comment.
1417 * emit-rtl.c: Include hashtab.h.
1418 (const_int_htab): New variable.
1419 (const_int_htab_hash): New function.
1420 (const_int_htab_eq): Likewise.
1421 (rtx_htab_mark_1): Likewise.
1422 (rtx_htab_mark): Likewise.
1423 (gen_rtx_CONST_INT): Cache all CONST_INTs.
1424 (unshare_all_rtx): Fix formatting.
1425 (init_emit_once): Initialize const_int_htab.
1426 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
1428 * rtl.texi: Document the fact that all CONST_INTs with the same
1431 2000-03-30 Richard Henderson <rth@cygnus.com>
1433 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
1435 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
1437 * configure.in: Comment out --enable-c-cpplib stanza.
1438 * configure: Regenerate.
1440 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1442 * expr.c (store_constructor): Properly compute displacement and
1443 alignment when offset is variable.
1445 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
1446 cases of alignment in bytes.
1448 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
1450 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
1451 since it is used to generate c-parse.y.
1452 * objc-parse.c, objc-parse.y: Regenerated.
1454 * function.c (expand_function_end): Pass alignment argument to
1455 emit_block_move in bits, not bytes.
1457 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1459 * expr.c (move_by_pieces_ninsns): Fix one more missing align
1462 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
1464 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
1465 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
1466 * function.c (assign_parms): Likewise.
1467 * integrate.c (expand_inline_function): Likewise.
1468 * stmt.c (expand_decl): Likewise.
1469 (copy_rtx_and_substitute): Likewise.
1470 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
1471 (clear_by_pieces): Fix error in last change.
1472 * emit-rtl.c (init_emit): Set known registers alignment in bits.
1473 * function.h (regno_pointer_align): Now unsigned.
1474 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
1476 * config/i386/i386.c (aligned_operand): Likewise.
1477 * config/sparc/sparc.c (mem_min_alignment): Likewise.
1478 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
1479 (unaligned_memory_operand): Likewise.
1480 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
1481 Also make alignments and sizes unsigned and some whitespace cleanup.
1482 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
1484 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
1485 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
1486 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
1487 (expand_builtin_memset): Likewise, but to clear_storage.
1488 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
1489 (restore_fixed_argument_area): Likewise.
1490 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
1491 (load_register_parameters): Likewise, to emit_group_load.
1492 (expand_call): Likewise, to emit_group_store and emit_block_move.
1493 (emit_library_call_value_1): Likewise, to emit_block_move.
1494 (store_one_arg): Likewise, and to emit_push_insn.
1495 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
1496 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
1497 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
1498 (emit_block_move, emit_group_load, emit_group_store): Likewise.
1499 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
1500 (expand_assigment, store_expr, store_constructor_field): Likewise.
1501 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
1502 (store_constructor, store_field, get_inner_reference): Likewise.
1503 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
1504 (expand_expr, case COMPONENT_REF): Likewise.
1505 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
1506 and positions; reindent code.
1507 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
1508 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
1509 (assign_parms): Likewise to emit_group_store.
1510 * optabs.c (prepare_cmp_insn): Alignment is in bits.
1511 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
1512 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
1513 (expand_return): Likewise to {extract,store}_bit_field.
1514 * stor-layout.c (get_mode_alignment): Minor cleanup.
1515 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
1516 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
1518 2000-03-29 Nick Clifton <nickc@cygnus.com>
1520 * config/arm/arm.h: Undo effects of previous delta:
1521 (ASM_SPEC): Do not define.
1522 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
1524 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
1527 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1529 * cppinit.c (cpp_start_read): Call initialize_dependency_output
1530 only after reading in the primary source file.
1532 2000-03-29 Geoff Keating <geoffk@cygnus.com>
1534 * c-common.c (c_common_nodes_and_builtins): The first parameter to
1535 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
1536 or a reference to a va_list.
1537 * builtins.c (stabilize_va_list): Simplify now we don't have to
1538 work around C array address decay.
1539 * c-typeck.c (convert_for_assignment): Handle assignment to
1540 a reference parameter by taking the address of the RHS.
1541 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
1542 (va_copy): Likewise.
1543 (__va_copy): Likewise.
1544 * ginclude/varargs.h (va_start): Likewise.
1545 (__va_copy): Likewise.
1547 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
1549 * i386/djgpp.h: Remove extraneous "+".
1551 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
1553 * calls.c (expand_call): Fix typo in last change.
1555 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
1557 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
1560 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1562 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
1563 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
1564 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
1565 * tree.c (bit_position, byte_position): Likewise.
1566 * tree.h: Declare new functions.
1568 2000-03-29 Nick Clifton <nickc@cygnus.com>
1570 * config/arm/arm.c: Minor formatting changes/
1571 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1573 (ASM_SPEC): Define if not already defined.
1575 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
1577 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
1580 2000-03-29 Jakub Jelinek <jakub@redhat.com>
1582 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
1583 value, don't output it as unsigned.
1585 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
1587 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
1589 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1591 * c-common.c (c_common_nodes_and_builtins): Don't special case
1592 cplus_mode when declaring builtin bzero/bcmp, always avoid
1593 prototype arguments.
1595 2000-03-29 Bruce Korb <bkorb@gnu.org>
1597 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
1600 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
1602 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
1603 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
1604 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
1605 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
1606 (save_fixed_argument_area, restore_fixed_argument_area):
1607 conditionize by #ifdef REG_PARM_STACK_SPACE only.
1608 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
1609 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
1610 (precompute_register_parameters): Avoid #ifdefs on
1611 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
1612 (stire_one_args): Likewise.
1613 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
1614 (emit_library_call_value_1): Likewise.
1615 (compute_argument_block_size): Align to STACK_BOUNDARY only for
1616 ACCUMULATE_OUTGOING_ARGS.
1617 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
1619 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
1620 (use_crosses_set_p): Likewise.
1621 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
1622 #define ACCUMULATE_OUTGOING_ARGS 1.
1623 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
1625 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
1627 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
1628 (TARGET_SWITCHES): Add push-args, no-push-args,
1629 accumulate-outgoing-args and no-accumulate-outgoing-args.
1630 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
1631 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
1632 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
1634 (emit_push_insn): Likewise.
1635 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1636 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
1637 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
1638 (STACK_DYNAMIC_OFFSET): Define correctly for both
1639 ACCUMULATE_OUTGOING_ARGS and normal mode.
1640 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
1641 * tm.texi (PUSH_ARGS): Document.
1642 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
1644 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
1646 * flags.h (flag_optimize_sibling_calls): Declare.
1647 * calls.c (expand_call): Fail sibcall when
1648 !flag_optimize_sibling_calls
1649 * invoke.texi (flag_optimize_sibling_calls): Document.
1650 * toplev.c (flag_optimize_sibling_calls): New global variable.
1651 (f_options): Add flag_optimize_sibling_calls.
1652 (rest_of_compilation): Conditionize
1653 optimize_sibling_and_tail_recursive_calls by
1654 flag_optimize_sibling_calls.
1655 (main): Set flag_optimize_sibling_calls for -O2.
1656 * stmt.c (expand_return): Conditionize tail recursion by
1657 flag_optimize_sibling_calls.
1659 2000-03-29 Richard Henderson <rth@cygnus.com>
1661 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
1662 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
1664 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
1666 * except.c (add_eh_table_entry): Mark type_info's as referenced.
1668 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1670 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
1672 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
1673 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
1674 * config/rs6000/aix.h: then modified likewise.
1676 2000-03-28 Richard Henderson <rth@cygnus.com>
1678 * rtl.h: Redistribute enum reg_note documentation.
1679 Kill trailing whitespace.
1680 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
1681 Kill trailing whitespace.
1683 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
1685 * cppfiles.c (hash_IHASH): Just return i->hash.
1686 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
1687 htab_find_with_hash.
1688 (cpp_read_file): Likewise.
1689 (find_include_file): Likewise. Properly initialize
1690 ih->nshort. Share ih->name and ih->nshort if possible.
1691 * cpphash.c (_cpp_calc_hash): New function.
1692 (hash_HASHNODE): Just return h->hash.
1693 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
1694 htab_find_with_hash.
1695 * cpphash.h: Prototype _cpp_calc_hash.
1696 * cppinit.c (initialize_builtins): Provide a valid hash
1697 to _cpp_make_hashnode, using _cpp_calc_hash.
1699 * cpphash.c (collect_expansion): # is not a special character
1700 in object-like macros. In -traditional mode, /**/ is not
1701 token paste at the beginning or end of the line.
1702 * cpplib.c (do_include, do_import, do_include_next): If
1703 parse_include fails, return immediately.
1705 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
1707 * config/arm/arm.md (return peepholes): Update to reflect the new
1709 * config/arm/arm.c (arm_volatile_func): Also check
1710 current_function_nothrow.
1711 (output_return_instruction, output_func_prologue): Use it.
1712 (arm_output_epilogue, arm_expand_prologue): Likewise.
1714 2000-03-27 Tom Tromey <tromey@cygnus.com>
1716 * gcc.c (handle_braces): In {x*...} case, break out of loop if
1719 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1721 * expr.c (store_constructor): SIZE now signed.
1722 For EXPR_SIZE, don't evaluate size; just needed if constant.
1723 * fold-const.c (fold): Fix a number of cases when folded tree is
1725 * function.c (flush_addressof): Reenable.
1726 * tree.h (flush_addressof): Likewise.
1727 * toplev.c (independent_decode_option): Look at strings_processed.
1728 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
1730 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
1732 * sibcall.c (indentify_call_return_value): Find last call in the chain;
1733 Allow stack adjustment after function call.
1735 * regmove.c (struct csa_memlist): Make mem field rtx *.
1736 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
1737 (try_apply_stack_adjustment): Replace whole MEM rtx.
1738 (combine_stack_adjustments_for_block): Update calls
1739 to record_one_stack_ref.
1741 2000-03-28 Neil Booth <NeilB@earthling.net>
1743 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
1744 '\\' rather than a null character, so nulls are not special. Fix
1745 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
1746 speed trigraph conversion.
1747 (_cpp_init_input_buffer): Initialize trigraph map.
1749 2000-03-27 Alan Modra <alan@linuxcare.com.au>
1751 * config/i386/i386.c (output_387_binary_op): Correct intel
1752 mode assembly output, and add spaces after commas in AT&T
1753 output. Correct Unixware assembler comment. Document input
1754 constraints. Comment fp operations. Reduce profligate buffer
1755 size. Remove extraneous abort. Localize temp var.
1756 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
1757 (output_fix_trunc): Add spaces after commas in assembly output.
1759 2000-03-27 Richard Henderson <rth@cygnus.com>
1761 * i386-protos.h (ix86_match_ccmode): Declare.
1762 * i386.c (ix86_match_ccmode): New.
1763 (ix86_expand_fp_compare): Update for pattern renames.
1764 (ix86_expand_strlensi_unroll_1): Likewise.
1765 * i386.h (EXTRA_CC_MODES): Add CCZ.
1766 (SELECT_CC_MODE): Use it for EQ/NE zero.
1767 * i386.md (cmpsi_ccz_1): New.
1769 (*testsi_ccz_1): New.
1770 (testqi_ccz_1): New.
1771 (cmpsi_ccno_1): Rename from cmpsi_0.
1772 (testsi_ccno_1): Rename from testsi_1.
1773 (testqi_ccno_1): Rename from testqi_1.
1774 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
1775 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
1776 (*cmphi_0): Use ix86_match_ccmode.
1777 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
1778 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
1779 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
1780 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
1781 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
1782 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
1783 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
1784 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
1785 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
1786 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
1787 (appropriate peepholes): Likewise.
1788 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
1789 (*subsi_3, *subhi_3, *subqi_3): Remove.
1790 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
1791 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
1792 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
1793 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
1794 (x86_shift_adj_1): Use CCZ.
1795 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
1797 2000-03-27 Stan Cox <scox@cygnus.com>
1799 * resource.h (mark_resource_type): New.
1800 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
1801 find_free_register): Use mark_resource_type.
1802 (mark_set_resources): Change include_delayed_effects
1803 to mark_resource_type.
1804 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
1805 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
1806 Use mark_resource_type.
1808 2000-03-27 Richard Henderson <rth@cygnus.com>
1810 * i386.md (call_pop_0, call_value_pop_0): New.
1811 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
1812 (call_value_pop_1): Likewise.
1813 (call_0, call_value_0): New.
1814 (call_1, call_value_1): Remove constraint from unused arg.
1816 2000-03-27 Nick Clifton <nickc@cygnus.com>
1818 * invoke.texi (Spec Files): Document new spec % command created by
1819 Tom Tromey's recent patch.
1821 2000-03-27 Jakub Jelinek <jakub@redhat.com>
1823 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
1826 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1828 * expr.c (expand_assignment): Fix typo in last change.
1830 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
1832 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1834 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
1835 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
1836 and DECL_INLINE if FUNCTION_DECL.
1837 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
1838 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
1839 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
1840 (combine_parm_decls): Likewise.
1841 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
1842 * print-tree.c (print_node): Likewise.
1843 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
1844 DECL_TRANSPARENT_UNION on proper decl types.
1845 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
1846 * stor-layout.c (layout_decl): Only check DECL_PACKED and
1847 DECL_BIT_FIELD of FIELD_DECL.
1848 * tree.h (DECL_RESULT_FLD): New macro.
1850 * expr.c (expand_assignment): Add code to handle variable-sized
1853 2000-03-26 Richard Henderson <rth@cygnus.com>
1855 * calls.c (expand_call): Pass parms not original exp to
1856 optimize_tail_recursion. Mind return value instead of looking
1858 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
1859 call_expr. Move checks for call_expr and current_function_decl ...
1860 (expand_return): ... here.
1862 2000-03-26 Tom Tromey <tromey@cygnus.com>
1864 * gcc.c (handle_braces): Recognize `%{<S}' construct.
1865 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
1867 (process_command): Use them.
1868 (check_live_switch): Likewise.
1869 (give_switch): Skip ignored switches.
1871 2000-03-26 Jan Hubicka <jh@suse.cz>
1873 * jump.c (jump_optimize_1): Fix typo in elide optimizations
1874 for minimal jump pass test.
1876 2000-03-26 Mark Mitchell <mark@codesourcery.com>
1878 * integrate.c (function_cannot_inline_p): Do inline functions that
1881 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1883 * stor-layout.c (layout_type, set_sizetype): early_type_list is
1884 now a list of TREE_LIST entries, not types.
1885 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
1887 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
1888 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
1890 * config/mips/mips.c (function_arg): Likewise; also remove cast
1891 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
1892 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
1893 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
1894 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
1895 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
1896 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
1897 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
1898 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
1899 num_adjusts now unsigned.
1900 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
1901 * config/sparc/sparc.c (struct function_arg_record_value_parms):
1903 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
1904 as is BITPOS variable; use host_integerp and int_bit_position.
1905 (function_arg_record_value_2): Likewise.
1906 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
1907 Variable REGNO now unsigned.
1908 (function_arg_record_value): NREGS now unsigned.
1910 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
1912 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
1914 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1916 * Rework fields used to describe positions of bitfields and
1917 modify sizes to be unsigned and use HOST_WIDE_INT.
1918 * alias.c (reg_known_value_size): Now unsigned.
1919 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
1920 (really_start_incremental_init): Use bitsize_zero_node.
1921 (push_init_level, pop_init_level, output_init_element): Likewise.
1922 Use bitsize_unit_node and bitsize_one_node.
1923 (output_pending_init_elements, process_init_element): Likewise.
1924 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
1925 (make_extraction): Position and length HOST_WIDE_INT and unsigned
1926 HOST_WIDE_INT, respectively.
1927 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
1928 (num_sign_bit_copies): Returns unsigned.
1929 BITWIDTH now unsigned; rework arithmetic.
1930 Remove recursive call from arg to MAX.
1931 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
1932 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
1934 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
1935 (find_split_point, expand_compound_operation, make_extraction): LEN
1936 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
1937 (make_field_assignment): Likewise.
1938 (combine_simplify_rtx): Add cast.
1939 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
1940 (force_to_mode): WIDTH now unsigned; add cast.
1941 (if_then_else_cond): SIZE now unsigned.
1942 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
1943 (extended_count): Now returns unsigned.
1944 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
1945 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
1946 (simplify_comparison): MODE_WIDTH now unsigned.
1947 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
1948 (mark_used_regs_combine): Likewise; rework arithmetic.
1949 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
1950 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
1951 (record_promoted_value): REGNO now unsigned.
1952 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
1953 (get_last_value): REGNO now unsigned.
1954 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
1955 (reg_dead_regno, reg_dead_endregno): Now unsigned.
1956 (remove_death): Arg REGNO now unsigned.
1957 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
1958 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
1960 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
1961 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
1962 (struct cse_reg_info): REGNO now unsigned.
1963 (cached_regno): Now unsigned.
1964 (REGNO_QTY_VALID_P): Add cast.
1965 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
1966 (remove_invalid_regs): Likewise.
1967 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
1968 as are variables END and I.
1969 (get_cse_reg_info, insert): Likewise.
1970 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
1971 (canon_hash): Likewise.
1972 (insert_regs, lookup_for_remove): REGNO now unsigned.
1973 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
1975 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
1976 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
1977 * emit-rtl.c (subreg_realpart_p): Add cast.
1978 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
1979 (operand_subword_force): Arg I is now unsigned.
1980 * except.c (eh_regs): Variable I is now unsigned.
1981 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
1982 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
1983 length is unsigned HOST_WIDE_INT; likewise for internal variables.
1984 (store_split_bit_field, extract_fixed_bit_field): Likewise.
1985 (extract_split_bit_field, store_bit_field, extract_bit_field):
1987 * expr.c (store_constructor_fields, store_constructor, store_field):
1988 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
1989 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
1990 (do_jump): Likewise.
1991 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
1992 MAX_SIZE is now unsigned.
1993 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
1994 (emit_group_store): Likewise.
1995 (emit_move_insn): I now unsigned.
1996 (store_constructor): Use host_integerp, tree_low_cst, and
1998 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
1999 Rework all calculations to use trees and new fields.
2000 * expr.h (promoted_input_arg): Regno now unsigned.
2001 (store_bit_field, extract_bit_field): Adjust types of pos and size.
2002 (mark_seen_cases): Arg is HOST_WIDE_INT.
2003 * flow.c (verify_wide_reg_1): REGNO now unsigned.
2004 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
2005 precisions and alignments are unsigned.
2006 (optimize_bit_field_compare, fold_truthop): Likewise.
2007 (int_const_binop): Adjust threshold for size_int_type_wide call.
2008 (fold_convert): Likewise.
2009 (size_int_type_wide): Make table larger and fix thinko that only
2010 had half of table used.
2011 (all_ones_mask_p, fold): Precisions are unsigned.
2012 * function.c (put_reg_info_stack): REGNO is unsigned.
2013 (instantiate_decl): Size is HOST_WIDE_INT.
2014 (instantiate_virtual_regs): I is unsigned.
2015 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
2016 (promoted_input_arg): REGNO is unsigned.
2017 * function.h (struct function): x_max_parm_reg is now unsigned.
2018 * gcse.c (max_gcse_regno): Now unsigned.
2019 (struct null_pointer_info): min_reg and max_reg now unsigned.
2020 (lookup_set, next_set): REGNO arg now unsigned.
2021 (compute_hash_table): REGNO and I now unsigned.
2022 (handle_avail_expr): regnum_for_replacing now unsigned.
2023 (cprop_insn): REGNO now unsigned.
2024 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
2025 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
2026 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
2027 * hard-reg-set.h (reg_class_size): Now unsigned.
2028 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
2029 * jump.c (mark_modified_reg): I now unsigned; add cast.
2030 (rtx_equal_for_thread_p): Add cast.
2031 * loop.c (max_reg_before_loop): Now unsigned.
2032 (struct_movable): REGNO now unsigned.
2033 (try_copy_prop): REGNO arg unsigned.
2034 (regs_match_p): XN and YN now unsigned.
2035 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
2036 (strength_reduce): Likewise; NREGS also unsigned.
2037 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
2038 * loop.h (struct iv_class): REGNO now unsigned.
2039 (max_reg_before_loop, first_increment_giv, last_increment_giv):
2041 * machmode.h (mode_size, mode_unit_size): Now unsigned.
2042 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
2043 * optabs.c (expand_binop): I and NWORDS now unsigned.
2044 (expand_unop): I now unsigned.
2045 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
2046 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
2047 * real.c (significand_size): Now returns unsigned.
2048 * real.h (significand_size): Likewise.
2049 * regclass.c (reg_class_size): Now unsigned.
2050 (choose_hard_reg_mode): Both operands now unsigned.
2051 (record_reg_classes): REGNO and NR now unsigned.
2052 (reg_scan): NREGS now unsigned.
2053 (reg_scan_update): old_max_regno now unsigned.
2054 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
2055 * reload.c (find_valid_class): BEST_SIZE now unsigned.
2056 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
2057 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
2058 Likewise for variable R.
2059 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
2060 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
2061 (find_equiv_reg): Add casts.
2062 (regno_clobbered_p): Arg REGNO now unsigned.
2063 * reload.h (struct reload): NREGS now unsigned.
2064 (refers_to_regno_for_reload_p): Regno args are unsigned.
2065 (regno_clobbered_p): Likewise.
2066 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
2067 (compute_use_by_pseudos): REGNO now unsigned.
2068 (find_reg): I and J now unsigned, new variable K, and change loop
2069 variables accordingly; THIS_NREGS now unsigned.
2070 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
2071 (spill_hard_reg): REGNO arg now unsigned; add casts.
2072 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
2073 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
2074 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
2075 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
2076 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
2077 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
2078 (emit_reload_insns): REGNO now unsigned.
2079 (reload_cse_move2add): Add cast.
2080 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
2082 * resource.c (mark_referenced_resources, mark_set_resources): New
2083 variable R; REGNO and LAST_REGNO now unsigned.
2084 (mark_target_live_regs): J and REGNO now unsigned.
2085 * rtl.c (mode_size, mode_unit_size): Now unsigned.
2086 * rtl.h (union rtunion_def): New field rtuint.
2087 (XCUINT): New macro.
2088 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
2089 (operand_subword, operand_subword_force): Word number is unsigned.
2090 (choose_hard_reg_mode): Operands are unsigned.
2091 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
2092 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
2093 (regno_use_in, combine_instructions, remove_death): Likewise.
2094 (reg_scan, reg_scan_update): Likewise.
2095 (extended_count): Return is unsigned.
2096 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
2097 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
2098 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
2099 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
2100 (reg_reg_last_1): FIRS and LAST now unsigned.
2101 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
2102 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
2104 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
2105 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
2106 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
2107 (replace_regs): Arg NREGS now unsigned.
2108 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
2109 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
2110 (simplify_binary_operation): Likewise.
2111 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
2112 THIS_LAST now unsigned.
2113 (cselib_record_set): Add cast.
2114 * ssa.c (ssa_max_reg_num): Now unsigned.
2115 (rename_block): REGNO now unsigned.
2116 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
2118 (all_cases_count): Just return -1 not -2.
2119 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
2120 Rework tests to use trees whenever possible.
2121 Use host_integerp and tree_low_cst.
2122 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
2123 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
2124 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
2125 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
2126 (smallest_mode_for_size): Likewise.
2127 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
2128 KNOWN_ALIGN is now an alignment, so simplify code.
2129 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
2130 (start_record_layout): Renamed from new_record_layout_info.
2131 Update to new fields.
2132 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
2134 (place_union_field): Renamed from layout_union_field.
2135 Update to use new fields in rli.
2136 (place_field): Renamed from layout_field.
2137 Major rewrite to use new fields in rli; pass alignment to layout_decl.
2138 (finalize_record_size): Rework to use new fields in rli and handle
2140 (compute_record_mode): Rework to simplify and to use new DECL fields.
2141 (finalize_type_size): Make rounding more consistent.
2142 (finish_union_layout): Deleted.
2143 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
2144 (layout_type, case RECORD_TYPE): Call new function names.
2145 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
2146 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
2147 (get_best_mode): UNIT is now unsigned; remove casts.
2148 * tree.c (bit_position): Compute from new fields.
2149 (byte_position, int_byte_position): New functions.
2150 (print_type_hash_statistics): Cast to remove warning.
2151 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
2152 (build_index_type): Likewise; make subtype of sizetype.
2153 (build_index_2_type): Pass sizetype to build_range_type.
2154 (build_common_tree_nodes): Use size_int and bitsize_int to
2155 initialize nodes; add bitsize_{zero,one,unit}_node.
2156 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
2157 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
2158 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
2159 (DECL_FIELD_BITPOS): Deleted.
2160 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
2161 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
2162 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
2163 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
2164 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
2165 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
2166 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
2167 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
2168 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
2169 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
2170 (DECL_ALIGN): Adjust to new field in union.
2171 (DECL_OFFSET_ALIGN): New field.
2172 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
2173 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
2174 (union tree_decl): Add struct for both aligns.
2175 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
2176 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
2177 (struct record_layout_info): Rework fields to have offset
2178 alignment and byte and bit position.
2179 (start_record_layout, place_field): Renamed from old names.
2180 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
2181 (byte_position, int_byte_position): Likewise.
2182 (get_inner_reference): Change types of position and length.
2183 * unroll.c (unroll_loop): New variable R; use for some loops.
2184 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
2185 (calculate_giv_inc): Arg REGNO now unsigned.
2186 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
2187 * varasm.c (assemble_variable): Clean up handling of size using
2188 host_integerp and tree_low_cst.
2189 (decode_addr_const): Use byte, not bit, position.
2190 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
2191 use tree_low_cst and int_bit_position.
2192 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
2194 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
2196 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
2197 (reorder_block_def): New members eff_head and eff_end.
2198 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
2199 (verify_insn_chain): New function.
2200 (skip_insns_between_block): Add code to skip deleted insns.
2201 Check for note before using.
2202 (chain_reorder_blocks): Replace calls to skip_insns_between_block
2203 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
2204 Check for note before using.
2205 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
2206 (fixup_reorder_chain): Restructure, clean up, defect removal.
2207 (reorder_basic_blocks): Remove last_insn and references to it.
2208 Moved insn chain verification code into a new function (see above).
2209 Delete defective code that sets last insn.
2210 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
2213 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2215 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
2217 2000-03-24 Richard Henderson <rth@cygnus.com>
2219 * tree.c (lang_safe_for_unsave): Remove.
2220 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
2221 allowing for two levels of unsafeness. Remove lang hook.
2222 * tree.h: Update declarations.
2223 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
2224 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
2225 Always fail sibcalls when there are pending cleanups.
2227 2000-03-24 Geoff Keating <geoffk@cygnus.com>
2229 * flow.c (propagate_block): When we delete an ADDR_VEC,
2230 also delete the BARRIER following it if there is one.
2232 2000-03-24 Richard Henderson <rth@cygnus.com>
2234 * builtins.c (expand_builtin_bzero): Convert `length' argument
2237 2000-03-24 Jakub Jelinek <jakub@redhat.com>
2239 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
2240 comparison if regno's are equal.
2241 * calls.c (initialize_argument_informat): Add ecf_flags argument.
2242 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2243 (expand_call): Update caller.
2244 Avoid making a sibling call if argument size of the callee is larger
2245 than argument size of the caller.
2246 Call hard_function_value with outgoing set if in sibcall pass.
2247 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
2249 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
2250 Change LEAF_REGISTERS from an array initializer to actual array
2251 identifier. Move static global variable into the function.
2252 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
2253 sequences for leaf functions.
2254 * global.c (global_alloc): Likewise.
2255 * tm.texi (LEAF_REGISTERS): Update documentation.
2257 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
2258 TARGET_FLAT leaf disabling hack.
2259 (LEAF_REGISTERS): Changed from an array initializer to actual array
2260 identifier to avoid duplication and remove the above hack.
2261 (FUNCTION_OK_FOR_SIBCALL): Define.
2262 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
2263 always like call attribute.
2264 (eligible_for_sibcall_delay): New attribute.
2265 (sibcall): New delay type.
2266 (sibcall, sibcall_value, sibcall_epilogue): New expands.
2267 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
2268 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
2269 * config/sparc/sparc.c (sparc_leaf_regs): New array.
2270 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
2272 (output_function_epilogue): Move part of the code into
2273 output_restore_regs.
2274 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
2276 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
2279 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
2280 until infrastructure is finished.
2282 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
2284 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
2285 (save_parm_insns): Not here.
2287 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2289 * builtins.c (expand_builtin_bzero): New function.
2290 (expand_builtin): Handle bzero.
2292 * builtins.def: Add BUILT_IN_BZERO.
2294 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2295 prototype & function for bzero.
2297 2000-03-23 Michael Meissner <meissner@redhat.com>
2299 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
2300 change adding TARGET_FP to the TF floating point insns, except for
2301 trunctfsf2, which generates direct calls to truncdfsf2.
2303 2000-03-23 Geoff Keating <geoffk@cygnus.com>
2305 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
2306 try to protect against middle-end changes that break binary
2308 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
2310 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2312 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
2314 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2316 * calls.c (expand_call): If TARGET is passed by reference and
2317 is readonly, write a CLOBBER.
2319 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2321 * builtins.c (expand_builtin): Handle bcmp.
2323 * builtins.def: Add BUILT_IN_BCMP.
2325 * c-common.c (c_common_nodes_and_builtins): Provide builtin
2326 prototype & function for bcmp.
2328 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
2330 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
2331 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
2332 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
2334 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
2336 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
2337 alternative when using -fp64 -gp32.
2339 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2341 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
2342 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
2343 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
2345 * frame.h (frame_state): Revert last change.
2346 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
2347 * libgcc2.c (throw_helper): Revert last change.
2349 2000-03-22 Richard Henderson <rth@cygnus.com>
2351 * stmt.c (expand_asm_operands): Don't promote the temporary.
2353 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2355 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
2356 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
2357 c_get_alias_set): Likewise.
2358 * c-decl.c (duplicate_decls): Likewise.
2359 * c-typeck.c (default_conversion,build_unary_op): Likewise.
2360 * calls.c (initialize_argument_information): Likewise.
2361 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
2363 * dwarfout.c (decl_class_context,output_type): Likewise.
2364 * expr.c (get_inner_reference): Likewise.
2365 * fold-const.c (simple_operand_p,fold): Likewise.
2366 * function.c (aggregate_value_p): Likewise.
2367 * stmt.c (expand_asm_operands): Likewise.
2368 * varasm.c (named_section): Likewise.
2370 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
2372 Implement dwarf2 exception handling for the ARM.
2373 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
2374 (DWARF_FRAME_RETURN_COLUMN): Define.
2375 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
2376 REG_FRAME_RELATED_EXPR note.
2377 (emit_sfm): Likewise.
2378 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
2379 * dwarf2out.c (reg_save): Handle saving a register to itself.
2380 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
2381 * except.c (eh_regs): Don't use the static chain reg if it's
2383 * frame.h (frame_state): Add cfa_saved field.
2384 * frame.c (execute_cfa_insn): Set it.
2385 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
2387 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
2389 (instantiate_virtual_regs): Adjust.
2391 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2392 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
2393 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
2395 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
2396 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
2398 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2400 * builtins.def: New file.
2402 * Makefile.in (TREE_H): Depend on builtins.def.
2404 * builtins.c (built_in_names): Use builtins.def.
2406 * tree.h (built_in_function): Likewise.
2408 2000-03-22 Mark Mitchell <mark@codesourcery.com>
2410 * tree.c (size_in_bytes): Return size_zero_node, not
2413 2000-03-22 Geoff Keating <geoffk@cygnus.com>
2415 * config/fp-bit.c (pack_d): Correct the case when a denormal
2416 is rounded up and stops being denormal.
2418 2000-03-21 Richard Henderson <rth@cygnus.com>
2420 * config/alpha/alpha.c (function_arg): Check for void_type_node
2421 before using MUST_PASS_IN_STACK.
2423 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
2425 * regmove.c (combine_stack_adjustments_for_block): Check that
2426 the stack pointer is a valid memory address.
2428 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
2430 * calls.c: re-install Mar 16 emit_library_call merge.
2432 2000-03-21 Jakub Jelinek <jakub@redhat.com>
2434 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
2435 we cannot be sure that if reload_completed base register will
2436 be properly aligned.
2438 2000-03-21 Richard Henderson <rth@cygnus.com>
2440 * flow.c (delete_block): Fix typo last change.
2442 2000-03-21 Mark Mitchell <mark@codesourcery.com>
2444 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
2445 not COMPLETE_TYPE_P, to check the type of the expression.
2447 2000-03-21 Michael Meissner <meissner@redhat.com>
2449 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
2450 all floating point insns that just tested the macro
2451 TARGET_HAS_XFLOATING_LIBS.
2452 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
2453 used to only use the gprs.
2455 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
2457 * tree.h (COMPLETE_TYPE_P): New macro.
2458 (COMPLETE_OR_VOID_TYPE_P): New macro.
2459 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
2460 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
2461 * c-aux-info.c (gen_type): Use them.
2462 * c-common.c (c_expand_expr_stmt): Likewise.
2463 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
2464 grokdeclarator, grokparms, finish_struct, start_function,
2465 store_parm_decls, combine_parm_decls): Likewise.
2466 * c-parse.y (cast_expr): Likewise.
2467 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
2468 c_size_in_bytes, c_alignof, build_component_ref,
2469 build_indirect_ref, build_array_ref, convert_arguments,
2470 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
2471 * calls.c (initialize_argument_information): Likewise.
2472 * convert.c (convert_to_integer): Likewise.
2473 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
2474 * dwarfout.c (location_or_const_value_attribute,
2475 output_enumeration_type_die, output_structure_type_die,
2476 output_union_type_die, output_type): Likewise.
2477 * expr.c (safe_from_p, expand_expr): Likewise.
2478 * function.c (assign_parms): Likewise.
2479 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
2480 * tree.c (build_array_type, build_function_type,
2481 build_method_type, build_offset_type, build_complex_type): Likewise.
2482 * c-parse.c, c-parse.h: Regenerated.
2484 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2486 * config/c4x/rtems.h: Include config/rtems.h.
2488 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
2490 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
2491 decl is a FUNCTION_DECL
2493 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
2495 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
2496 function uses output registers. Don't save RP for leaf functions.
2497 Do save RP even if no epilogue.
2498 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
2499 (CALL_USED_REGISTERS): Unmark in registers.
2500 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
2503 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2505 * config/rs6000/rs6000.md (bunordered): New expander.
2506 (bordered): New expander.
2507 (buneq): New expander.
2508 (bunge): New expander.
2509 (bungt): New expander.
2510 (bunle): New expander.
2511 (bunlt): New expander.
2512 (bltgt): New expander.
2514 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
2515 (ccr_bit_negated_p): New function.
2516 (print_operand): For %C, generate appropriate cror for UNEQ,
2517 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
2519 2000-03-20 Andreas Jaeger <aj@suse.de>
2521 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
2524 * tree.h (safe_for_unsave): Prototype.
2526 2000-03-20 Richard Henderson <rth@cygnus.com>
2528 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
2529 (combine_stack_adjustments_for_block): Don't allow sp references
2530 in the side of a set we're not fixing up.
2531 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
2532 after life_analysis.
2534 2000-03-20 Richard Henderson <rth@cygnus.com>
2536 * calls.c (expand_call): Don't bother generating tail call
2537 sequences if there are pending cleanups. Use
2538 expand_start_target_temps/expand_end_target_temps to elide
2539 cleanups created during sibcall expansion.
2541 2000-03-20 Geoff Keating <geoffk@cygnus.com>
2543 * configure.in: Set $IFS to a value if it doesn't already have one
2544 in the --enable-checking handling.
2545 * configure: Regenerate.
2547 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2549 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
2550 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2553 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
2555 * jump.c (delete_noop_moves): Remove code attempting to
2556 combine stack adjustments.
2558 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2560 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
2561 * except.c (emit_cleanup_handler): Use them.
2562 (expand_end_all_catch): Likewise.
2563 * function.c (fixup_var_refs): Likewise.
2564 (expand_function_end): Clear catch_clauses_last.
2565 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
2566 * except.h (struct eh_status): New field x_catch_clauses_last.
2567 (catch_clauses_last): New define.
2569 * Makefile.in (tree.o): Depend on HASHTAB_H.
2570 * tree.c: Include hashtab.h.
2571 (struct type_hash): Remove next field.
2572 (TYPE_HASH_SIZE): Remove.
2573 (TYPE_HASH_INITIAL_SIZE): New define.
2574 (type_hash_table): Change type to htab_t.
2575 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
2576 mark_hash_entry): New functions.
2577 (init_obstacks): Allocate type hash.
2578 (type_hash_lookup): Use htab functions.
2579 (type_hash_add, mark_type_hash): Likewise.
2580 (dump_tree_statistics): Call print_type_hash_statistics.
2582 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2584 * rs6000/t-aix41: New file.
2586 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
2588 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
2590 * tm.texi (Driver): Fix typos and tweak entry for
2592 Move misplaced STRUCT_FORCE_BLK entry ...
2593 (Storage Layout): ... to here.
2594 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
2596 2000-03-19 Richard Henderson <rth@cygnus.com>
2598 * flow.c (delete_block): Delete the addr_vec along with the block.
2599 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
2602 * fold-const.c (extract_muldiv): Apply type check for defined
2603 overflow to multiply as well as divide.
2605 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
2607 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2609 * emit-rtl.c (remove_unncessary_notes): Check that all
2610 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
2611 associated NOTE_BLOCK.
2612 * function.h (identify_blocks): Update comments.
2613 (reorder_blocks): Declare.
2614 * function.c (identify_blocks): Don't take paramters.
2615 (reorder_blocks): Don't take parameters.
2616 * loop.h (find_loop_tree_blocks): Remove.
2617 (unroll_block_trees): Likewise.
2618 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
2619 reorder_blocks instead of unroll_block_trees.h
2620 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
2621 * stmt.c (find_loop_tree_blocks): Remove.
2622 (unroll_block_trees): Likewise.
2623 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
2624 in whole-function mode.
2625 * tree.h (reorder_blocks): Remove declaration.
2627 * expr.c: Include intl.h.
2628 * Makefile.in (expr.o): Depend on intl.h.
2630 2000-03-18 Richard Henderson <rth@cygnus.com>
2632 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
2634 2000-03-18 Mark Mitchell <mark@codesourcery.com>
2636 * tree.h (tree_index): Remove enumerals for integer types.
2637 (integer_type_kind): New type.
2638 (integer_types): New variable.
2639 (char_type_node): Adjust.
2640 (signed_char_type_node): Likewise.
2641 (unsigned_char_type_node): Likewise.
2642 (short_integer_type_node): Likewise.
2643 (short_unsigned_type_node): Likewise.
2644 (integer_type_node): Likewise.
2645 (unsigned_type_node): Likewise.
2646 (long_integer_type_node): Likewise.
2647 (long_unsigned_type_node): Likewise.
2648 (long_long_integer_type_node): Likewise.
2649 (long_long_unsigned_type_node): Likewise.
2650 * tree.c (integer_types): New variable.
2651 (init_obstacks): Register it as a root.
2653 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
2655 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
2656 NEXT_INSN. Update last insn in chain.
2658 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
2660 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
2661 with TYPE_DECL_SUPPRESS_DEBUG set.
2663 2000-03-18 Richard Henderson <rth@cygnus.com>
2665 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
2667 2000-03-18 Richard Henderson <rth@cygnus.com>
2669 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
2670 care for HALF_PIC_P.
2671 (expander_call_insn_operand): Remove.
2672 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
2673 * i386.h (PREDICATE_CODES): Update.
2674 * i386.md (all call expanders): Remove predicates, remove special
2675 handling for half-pic.
2676 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
2677 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
2678 (sibcall_epilogue): New.
2680 2000-03-17 Richard Henderson <rth@cygnus.com>
2682 * rtlanal.c (single_set): Reject if the parallel has anything
2683 except SET or USE or CLOBBER.
2685 2000-03-17 Jeff Law <law@cygnus.com>
2686 Richard Henderson <rth@cygnus.com>
2688 * Makefile.in (OBJS): Add sibcall.o.
2690 * sibcall.c: New file.
2691 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
2692 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
2693 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
2694 Emit sibcall patterns when requested. Update all callers.
2695 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
2696 elimination seems feasable.
2697 * final.c (leaf_function_p): Sibling calls don't discount being
2699 * flow.c (HAVE_sibcall_epilogue): Provide default.
2700 (find_basic_blocks_1): Sibling calls don't throw.
2701 (make_edges): Make edge from sibling call to EXIT.
2702 (propagate_block): Don't remove sibcall_epilogue insns.
2703 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
2704 (sibcall_epilogue): New.
2705 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
2706 (identify_blocks_1): Likewise. Break out from ...
2707 (identify_blocks): ... here.
2708 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
2709 (reorder_blocks): ... here.
2710 (init_function_for_compilation): Zap prologue/epilogue as varrays.
2711 (record_insns): Extend a varray instead of mallocing new memory.
2712 (contains): Read a varray not array of ints.
2713 (sibcall_epilogue_contains): New.
2714 (thread_prologue_and_epilogue_insns): Emit and record
2715 sibcall_epilogue patterns.
2716 (init_function_once): Allocate prologue/epilogue varrays.
2717 * genflags.c (gen_insn): Treat sibcall patterns as calls.
2718 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
2720 (save_for_inline_nocopy): ... here.
2721 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
2723 (expand_inline_function): ... here.
2724 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
2725 (subst_constants): Handle 'n' formats.
2726 * jump.c (jump_optimize_minimal): New.
2727 (jump_optimize_1): New arg `minimal'; update callers. Elide most
2728 optimizations if it's set.
2729 * rtl.c (copy_rtx): Do copy jump & call for insns.
2730 * rtl.h (struct rtx_def): Document use of jump and call for insns.
2731 (SIBLING_CALL_P): New.
2732 (sibcall_use_t): New.
2733 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
2734 Invoke optimize_sibling_and_tail_recursive_calls.
2735 * tree.c (lang_safe_for_unsave): New.
2736 (safe_for_unsave): New.
2737 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
2739 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
2740 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
2741 (*sibcall_osf_1, *sibcall_value_osf_1): New.
2743 2000-03-17 Mark Mitchell <mark@codesourcery.com>
2745 * objc/objc-act.c (encode_method_prototype): Pass types, not
2746 PARM_DECLs, to int_size_in_bytes.
2748 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
2750 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
2752 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
2753 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
2755 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2757 * Clean up usages of TREE_INT_CST_LOW.
2758 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
2759 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2761 * c-tree.h (min_precision): Move declaration to here.
2762 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
2763 (build_unary_op, add_pending_init): Use bit_position.
2764 (pending_init_member, process_init_element): Likewise.
2765 (really_start_incremental_init, push_init_level, pop_init_level):
2766 Don't make copies of nodes or modify them in place, use consistent
2767 types when tracking positions, and use tree routines computations.
2768 (set_init_index, output_init_element): Likewise.
2769 (output_pending_init_elements, process_init_element): Likewise.
2770 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
2771 tree_low_cst and int_bit_position; also minor cleanup.
2772 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
2773 (print_cst_octal): Precision is unsigned.
2774 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
2775 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
2776 (simple_type_align_in_bits): Result is unsigned int.
2777 Use tree_int_low_cst and host_integerp.
2778 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
2779 (field_byte_offset): Result is HOST_WIDE_INT.
2780 Change types of internal variables so alignments are unsigned int,
2781 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
2782 Use host_integerp, tree_low_cst, and int_bit_position.
2783 (add_bit_offset_attribute): Likewise.
2784 (add_data_member_location_attribute): Use tree_cst_low.
2785 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
2786 (add_bit_size_attribute): Use tree_low_cst.
2787 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
2788 * dwarfout.c: Similar changes to dwarf2out.c.
2789 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
2790 * genoutput.c (n_occurences): Return -1 for null string.
2791 (strip_whitespace): Accept null string and make into function.
2792 (scan_operands): Reflect above changes.
2793 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
2794 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
2795 * ssa.c (rename_registers): Add missing cast of arg to bzero.
2796 * tree.c (int_size_in_bytes): Check for too big to represent.
2797 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
2798 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
2800 (min_precision): Delete from here.
2801 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
2802 and int_bit_position.
2803 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
2804 (encode_method_def): Likewise.
2805 (build_ivar_list_initializer): Use int_bit_position.
2806 (generate_shared_structures): Convert size.
2807 (encode_type, encode_complete_bitfield): Use integer_zerop.
2808 (encode_bitfield): Use tree_low_cst and int_bit_position.
2810 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2812 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
2814 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2816 * call.c (special_function_p): It is only malloc if it returns
2819 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2821 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
2822 (C33_FLAG, TARGET_C3X): Add macros.
2823 (TARGET_SWITCHES): Add -m33 option.
2824 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
2826 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2828 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
2829 (PARALLEL_PACK_FLAG): Delete.
2830 (TARGET_SWITCHES): Update.
2831 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
2833 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2835 * fold-const.c (fold): Fix a few cases when the returned result
2836 is not of the same type as the input.
2838 2000-03-16 Nick Clifton <nickc@cygnus.com>
2840 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
2843 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2845 * libgcc2.h: Move prototypes above macros with the same name.
2846 Wrap some function prototypes in the conditional which indicates
2847 whether they are supported, i.e. "BITS_PER_UNIT == 8".
2849 2000-03-16 Richard Henderson <rth@cygnus.com>
2851 * calls.c: Revert last two changes.
2853 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
2855 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
2856 has exponent 0 is a zero.
2858 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
2859 HASH may already be nonzero. Add code/mode into hash value
2860 immediately after repeat label.
2861 (cselib_lookup): Don't leave the hash table in an inconsistent
2862 state before a hash lookup operation.
2864 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
2866 * i386.md (all HI and QI mode non-move patterns): Conditionize
2867 by TARGET_[HQ]IMODE_MATH.
2868 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
2869 x86_promote_qi_regs): Declare.
2870 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
2871 TARGET_PROMOTE_QI_REGS): New macros.
2872 (PROMOTE_MODE): New macro.
2873 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
2874 x86_promote_qi_regs): New global variables.
2876 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
2878 * calls.c (emit_library_call_value_1): Break out from ...; handle
2879 VOIDmode function calls too.
2880 (emit_library_call_value): ... here.
2881 (emit_library_call): Implement by calling emit_library_call_value_1.
2883 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
2885 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
2886 Update arg_space_so_far on stack adjustments.
2887 (emit_library_call, emit_library_call_value): Likewise; take into
2888 account arg_space_so_far and pending_stack_adjust when calculcating
2891 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
2893 * flow.c: Move all basic block reordering code into its own file.
2894 (create_basic_block): Externalize.
2895 * bb-reorder.c: New file. Copy all basic block reordering code from
2896 flow.c to this file.
2897 (reorder_basic_blocks): Fix fencepost error in for-loop.
2898 (reorder_basic_blocks): Remove braces from single statement for-loops.
2899 * basic-block.h: Add declaration for create_basic_block.
2900 * Makefile.in: Add rules for bb-reorder.o.
2902 2000-03-16 Neil Booth <NeilB@earthling.net>
2904 * cppinit.c (handle_option): Implement #unassert directive
2905 as -A- command line option.
2906 (print_help): Update.
2907 * cpptexi.c: Update.
2909 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
2911 * md.texi (Standard Names): Document `jump'.
2913 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
2915 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
2918 2000-03-15 Geoff Keating <geoffk@cygnus.com>
2920 See the ChangeLog on the branch for more details.
2922 * configure.in: Merge in changes from newppc-branch.
2923 * configure: Regenerate.
2924 * config/rs6000/*: Merge in changes from newppc-branch.
2925 Also correct copyright notices.
2927 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
2929 * acconfig.h (HAVE_GAS_WEAK): New define.
2930 * configure.in (assembler weak support): Check for .weak support.
2931 * config.in, configure: Rebuilt.
2932 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
2933 HAVE_GAS_WEAK is defined.
2935 2000-03-15 Nick Clifton <nickc@cygnus.com>
2937 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
2940 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
2942 * cppfiles.c (open_include_file): New function.
2943 (find_include_file, cpp_read_file): Use it.
2945 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
2947 * cpphash.c (dump_hash_helper): Take the slot, not the element.
2949 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
2951 * flow.c (verify_flow_info): Check for unconditional return.
2953 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
2955 * config/ia64/ia64.md (restore_stack_nonlocal): New.
2956 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
2957 (__ia64_restore_stack_nonlocal): New.
2958 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
2960 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2962 * cpphash.c (collect_formal_parameters): Do not complain about
2963 parameter names that just start with `__VA_ARGS__'.
2965 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
2967 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
2968 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
2969 * i386.c (pentiumpro_cost): Set mul cost to 4.
2970 (x86_use_movx): Set for PPro.
2972 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
2974 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
2975 STACK_BOUNDARY for empty frames now.
2977 2000-03-14 Mark Mitchell <mark@codesourcery.com>
2979 * stor-layout.c (layout_union): Remove.
2980 (layout_union_field): New function, split out from layout_union.
2981 (finish_union_layout): Likewise.
2982 (layout_field): Handle unions by calling layout_union_field.
2983 (finish_record_layout): Handle unions.
2984 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
2985 QUAL_UNION_TYPE handling.
2987 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
2989 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
2990 end of basic block is jump_insn, not barrier; use create_basic_block
2991 instead of creating basic block by hand.
2993 2000-03-14 Jason Eckhardt <jle@cygnus.com>
2995 * flow.c (reorder_basic_blocks): Account for barriers when writing
2996 over NEXT_INSN (last_bb->end).
2997 (verify_flow_info): Add check for missing barriers.
2999 2000-03-14 Greg McGary <gkm@gnu.org>
3001 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
3002 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
3003 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
3004 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
3005 __unbounded, __unbounded__): New keywords.
3006 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
3007 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
3008 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
3010 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
3012 * cselib.h: New file.
3013 * alias.c: Include "cselib.h".
3014 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
3015 MEMs as two new arguments.
3016 (get_addr): New static function.
3017 (find_base_term): Handle VALUEs.
3018 (memrefs_conflict_p): Likewise.
3019 (true_dependence): Call get_addr on the addresses.
3020 Call fixed_scalar_and_varying_struct_p with addresses that have been
3021 passed through get_addr and canon_rtx.
3022 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
3023 with true_dependence.
3024 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
3025 * loop.c: Include "cselib.h".
3026 (load_mems): Process extended basic block that enters the loop with
3027 cselib. Use that information to change initialization of the shadow
3028 register so that a constant equivalence is seen by later passes.
3029 * reload1.c: Include "cselib.h".
3030 (reload_cse_invalidate_regno): Delete function.
3031 (reload_cse_mem_conflict_p): Likewise.
3032 (reload_cse_invalidate_mem): Likewise.
3033 (reload_cse_invalidate_rtx): Likewise.
3034 (reload_cse_regno_equal_p): Likewise.
3035 (reload_cse_check_clobber): Likewise.
3036 (reload_cse_record_set): Likewise.
3037 (reg_values): Delete static variable.
3038 (invalidate_regno_rtx): Likewise.
3039 (reload_cse_delete_noop_set): New static function.
3040 (reload_cse_simplify): New static function, broken out of
3042 (reload_cse_noop_set_p): Delete unused argument INSN.
3043 Just call rtx_equal_for_cselib_p on set source and destination.
3044 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
3045 reload_cse_delete_noop_set. Delete code to keep track of values; use
3046 cselib functions instead. Delete code to push/pop obstacks.
3047 (reload_cse_simplify_set): Use cselib to find equivalent values.
3048 Delete code to push/pop obstacks.
3049 (reload_cse_simplify_operands): Likewise.
3050 * rtl.def (VALUE): New rtx code.
3051 * rtl.h (union rtunion_def): New elt rt_cselib.
3052 (X0CSELIB, CSELIB_VAL_PTR): New macros.
3053 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
3054 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
3055 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
3056 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
3057 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
3058 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
3059 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
3060 cselib_record_set, cselib_record_sets): New static functions.
3061 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
3062 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
3063 references_value_p): New functions.
3064 (MAX_USELESS_VALUES, REG_VALUES): New macros.
3065 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
3066 n_useless_values, reg_values, callmem, cselib_obstack,
3067 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
3068 New static variables.
3069 * varray.h (union varray_data_tag): New elt te.
3070 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
3071 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
3074 2000-03-14 Nick Clifton <nickc@cygnus.com>
3076 * gcc.c (do_spec_1): Catch the case where %* is used in a
3077 substitution pattern, but it has not been initialised.
3078 Issue a meaningful error message if an unrecognised operator
3079 is encountered in a spec string.
3081 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
3083 * function.c (prepare_function_start): Correctly initialize
3084 cfun->stack_alignment_needed.
3086 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
3088 * cppfiles.c (find_include_file): Don't assume nshort is a
3091 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
3093 * configure.in (hppa configurations): Add pa32-regs.h to the
3094 list of tm files as appropriate.
3095 * configure: Rebuilt.
3096 * pa.c (compute_frame_size): Remove explicit knowledge about FP
3098 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
3099 (fmpyaddoperands, fmpysuboperands): Likewise.
3100 * pa.h: Remove various definitions which depend on knowing
3101 how registers are numbered.
3102 * pa32-regs.h: New file with PA32 register numbering specific
3105 2000-03-14 Richard Henderson <rth@cygnus.com>
3107 * regmove.c (combine_stack_adjustments): New.
3108 (stack_memref_p, single_set_for_csa): New.
3109 (free_csa_memlist, record_one_stack_memref): New.
3110 (try_apply_stack_adjustment): New.
3111 (combine_stack_adjustments_for_block): New.
3112 * rtl.h (combine_stack_adjustments): Declare.
3113 * toplev.c (rest_of_compilation): Call it.
3115 * i386.md: Revert 2000-01-16 change.
3117 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3119 * gccbug.in: Add web category, gcc specific classes.
3121 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
3123 * stor-layout.c (finalize_record_size): Fix typo.
3125 2000-03-14 Stan Shebs <shebs@apple.com>
3127 * c-typeck.c (c_alignof): Error on incomplete types.
3128 * extend.texi (Alignment): Document this.
3130 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
3132 * cppfiles.c: Include mkdeps.h.
3133 (find_include_file, read_include_file): Remove _cpp_ prefix
3134 from name, make static.
3135 (_cpp_execute_include): New function, broken out of
3138 * cpplib.c: Don't include mkdeps.h.
3139 (struct directive): Remove type field. Reorder entries. The
3140 function takes only one argument.
3141 (struct if_stack): Make type field an int.
3142 (directive_table): Rename to dtable. Generate it, the
3143 prototypes of the directive handlers, and the enum for the
3144 directive numbers, from a template macro.
3145 (do_ifndef, do_include_next, do_import): New functions.
3146 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
3147 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
3148 do_ident, do_assert, do_unassert, do_sccs): Take only one
3150 (do_sccs): Define always, but alter behavior based on
3152 (_cpp_handle_directive, consider_directive_while_skipping):
3153 Restructure for new directive table layout.
3155 (pass_thru_directive): Take a directive number, not a pointer
3156 to a struct directive.
3157 (parse_include): New function, broken out of do_include.
3158 (do_include, do_import, do_include_next): Use parse_include
3159 and _cpp_execute_include.
3160 (do_elif, do_else): Test for T_ELSE specifically when checking
3161 for #elif/#else after #else.
3162 (parse_ifdef): New function, broken out of do_ifdef.
3163 (validate_else): Expect a name arg without a leading #.
3164 (if_directive_name): Delete.
3165 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
3166 directive handlers with only one argument.
3168 * cpphash.h: Update prototypes.
3169 (enum node_type): Remove entries for directives.
3170 * Makefile.in: Update dependencies.
3172 * cpphash.c (dump_hash_helper): Only dump nodes of type
3173 T_MACRO. Emit a newline after each definition.
3175 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3177 * gccbug.in: New file.
3178 * configure.in (all_outputs): Add gccbug.
3179 * Makefile.in (install-common): Install gccbug.
3180 (GCCBUG_INSTALL_NAME): New variable.
3181 * configure: Rebuilt.
3183 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
3185 * function.c (put_var_into_stack): Use type_for_mode to calculate
3186 part_type. Use MEM_SET_IN_STRUCT_P.
3187 * expr.c (store_field): Handle CONCAT.
3188 (store_constructor): Use fields_length.
3189 * tree.c (fields_length): New fn.
3190 * tree.h: Declare it.
3192 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
3194 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
3195 (cpplex.o): New target.
3196 * po/POTFILES.in: Add cpplex.c.
3198 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
3199 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
3200 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
3201 skip_block_comment, skip_line_comment, skip_comment,
3202 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
3203 _cpp_parse_name, skip_string, parse_string,
3204 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
3205 _cpp_get_directive_token, find_position,
3206 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
3207 (maybe_macroexpand, _cpp_lex_token): New functions.
3209 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
3210 parse_goto_mark): Delete.
3211 (_cpp_handle_eof): New function.
3212 (_cpp_handle_directive): Rename from handle_directive.
3213 (_cpp_output_line_command): Rename from output_line_command.
3214 (do_if, do_elif): Call _cpp_parse_expr directly.
3215 * cppfiles.c (_cpp_read_include_file): Don't call
3216 init_input_buffer here.
3217 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
3218 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
3219 here; pop the token_buffer and skip the rest of the line here.
3220 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
3223 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
3225 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
3226 CPP_GOTO_MARK): New macros.
3227 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
3228 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
3229 _cpp_read_and_prescan, _cpp_init_input_buffer,
3230 _cpp_grow_token_buffer, _cpp_get_directive_token,
3231 _cpp_handle_directive, _cpp_handle_eof,
3232 _cpp_output_line_command): Prototype them here.
3233 * cpplib.h (enum cpp_token): Add CPP_MACRO.
3234 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
3235 quote_string, output_line_command): Remove.
3237 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
3239 * stmt.c (expand_end_case): RANGE may be signed, and when checking
3240 whether it is too large we must also verify that it isn't negative.
3242 2000-03-13 Jakub Jelinek <jakub@redhat.com>
3244 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
3245 (movsi_zero_liveg0): Remove.
3246 (movsf_insn_novis_liveg0): Remove.
3248 (negsi2_not_liveg0): Rename to negsi2.
3249 (one_cmplsi2): Remove.
3250 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
3251 (one_cmplsi2_liveg0): Remove.
3252 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
3253 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
3254 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
3255 (PREDICATE_CODES): Remove zero_operand.
3256 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
3257 TARGET_BROKEN_SAVERESTORE.
3258 (zero_operand): Remove.
3259 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
3260 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
3262 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3263 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
3264 TARGET_BROKEN_SAVERESTORE): Remove.
3265 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
3267 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
3269 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
3272 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
3274 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
3276 * cpplib.c (do_pragma_implementation): Fix off-by-one error
3277 truncating a string. Don't assume tokens are nul terminated.
3278 Problem noted by Andreas Jaeger <aj@suse.de>
3280 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
3282 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
3283 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
3284 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
3286 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
3288 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
3289 STRUCTURE_SIZE_BOUNDARY.
3291 2000-03-13 Mark Mitchell <mark@codesourcery.com>
3293 * tree.h (record_layout_info_s): New structure.
3294 (record_layout_info): New type.
3295 (new_record_layout_info): New function.
3296 (layout_field): Likewise.
3297 (finish_record_layout): Likewise.
3298 * stor-layout.c (layout_record): Remove.
3299 (new_record_layout_info): New function.
3300 (layout_field): New function, broken out from layout_record.
3301 (finalize_record_size): Likewise.
3302 (compute_record_mode): Likewise.
3303 (finalize_type_size): New function, broken out from layout_type.
3304 (finish_record_layout): Likewise.
3305 (layout_type): Use them.
3307 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
3309 * cpphash.c: Don't include version.h.
3310 (special_symbol) [case T_VERSION]: Look for the string in
3311 hp->value.cpval; don't use version_string.
3312 * cppinit.c (initialize_builtins): Set hp->value.cpval for
3313 __VERSION__ to version_string.
3314 * Makefile.in (cpphash.o): Update deps.
3316 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
3318 Convert cpplib to use libiberty/hashtab.c.
3320 * cpplib.h (struct cpp_reader): Make hashtab and
3321 all_include_files of type 'struct htab *'. Delete HASHSIZE
3322 and ALL_INCLUDE_HASHSIZE macros.
3324 * cpphash.h: Update prototypes.
3325 (struct hashnode): Remove next, prev, and bucket_hdr members.
3326 Make length a size_t. Add hash member.
3327 (struct ihash): Remove next member. Add hash member. Make
3328 name a flexible array member.
3330 * cppfiles.c: Include hashtab.h.
3331 (include_hash): Delete.
3332 (IHASHSIZE): New macro.
3333 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
3334 (cpp_included): Do the hash lookup here.
3335 (_cpp_find_include_file): Rewrite.
3336 (cpp_read_file): Put the "fake" hash entry into the hash
3337 table. Honor the control_macro, if it turns out we've seen
3338 the file before. Don't push the buffer here.
3339 (_cpp_read_include_file): Push the buffer here.
3340 (OMODES): New macro. Use it whenever we call open(2).
3342 * cpphash.c: Include hashtab.h.
3343 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
3344 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
3345 _cpp_lookup_slot): New functions.
3346 (HASHSIZE): new macro.
3347 (hashf, _cpp_install, _cpp_delete_macro): Delete.
3348 (_cpp_lookup): Use hashtab.h routines.
3350 * cppinit.c: Include hashtab.h.
3351 (cpp_reader_init): Call _cpp_init_macro_hash and
3352 _cpp_init_include_hash. Don't allocate hashtab directly.
3353 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
3354 pfile->all_include_files.
3355 (initialize_builtins): Use _cpp_make_hashnode and
3356 htab_find_slot to add hash entries.
3357 (cpp_finish): Just call _cpp_dump_macro_hash.
3358 * cpplib.c: Include hashtab.h.
3359 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
3360 create hash entries.
3361 (do_pragma_poison, do_assert): Likewise.
3362 (do_include): Don't push the buffer here. Don't increment
3363 system_include_depth unless _cpp_read_include_file succeeds.
3364 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
3366 (do_pragma_implementation): Use alloca to create copy.
3368 * Makefile.in: Update dependencies.
3370 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3372 * cppinit.c (cl_directive_handler): More K&R fixing.
3374 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
3376 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
3378 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
3380 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3382 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
3383 Change from char[] to macros.
3385 2000-03-12 Neil Booth <NeilB@earthling.net>
3387 * cppinit.c (cpp_start_read): Update indirect function
3390 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
3392 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
3395 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
3396 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
3398 2000-03-11 Neil Booth <NeilB@earthling.net>
3400 * cppinit.c (struct pending option): Replace undef with a
3401 pointer to a directive handling routine.
3402 (struct cpp_pending): Replace separate assert_ and define_
3403 lists with one directive_ list.
3404 (new_pending_define): Rename new_pending_directive. Extra
3405 argument is the directive's handling routine.
3406 (handle_option): Update to use new_pending_directive.
3408 2000-03-11 Neil Booth <NeilB@earthling.net>
3410 * cppfiles.c (file_cleanup, _cpp_find_include_file,
3411 remap_filename, _cpp_read_include_file, actual_directory,
3412 hack_vms_include_specification): Replace bcopy(), index() etc
3413 calls. Add casts to some allocations. Make some variables
3414 pointers to const [unsigned] char.
3415 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
3416 collect_formal_parameters): Similarly.
3417 * cppinit.c (struct pending_option, append_include_chain,
3418 cpp_options_init, cpp_reader_init, initialize_standard_includes,
3419 cpp_start_read, new_pending_define, handle_option): Similarly.
3420 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
3421 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
3422 do_pragma_implementation, detect_if_not_defined,
3423 do_ifdef, skip_if_group, cpp_get_token, parse_string,
3424 do_assert, do_unassert): Similarly.
3425 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
3426 function prototypes.
3427 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
3429 2000-03-10 Richard Henderson <rth@cygnus.com>
3431 * builtins.c (expand_builtin_strlen): Revert last change.
3432 Use emit_insn_before if we're at the beginning of a sequence.
3434 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
3436 * builtins.c (expand_builtin_strlen): Make sure that we have something
3437 at the beginning of the sequence.
3439 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
3442 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
3444 2000-03-10 Richard Henderson <rth@cygnus.com>
3446 * except.c (can_throw): Use INTVAL on a CONST_INT.
3447 (reachable_handlers): Likewise.
3448 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
3450 2000-03-10 Andreas Jaeger <aj@suse.de>
3452 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
3453 MD_STARTFILE_PREFIX since those are not needed on linux.
3454 (ASM_FILE_START): New, from mips/gnu.h.
3456 2000-03-09 Richard Henderson <rth@cygnus.com>
3457 Alex Samuel <samuel@codesourcery.com> and others
3459 * Makefile.in (ssa.o): New rule.
3461 (STAGESTUFF): Add *.ssa and *.ussa.
3462 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
3463 * rtl.def (PHI): New RTL expression.
3464 * rtl.h (clear_log_links): New declaration.
3465 (convert_to_ssa): Likewise.
3466 (convert_from_ssa): Likewise.
3467 * flow.c (split_edge): If the entry node falls through to the
3468 split edge's source block, split the entry edge.
3469 (clear_log_links): New function.
3470 * toplev.c (ssa_dump): New variable.
3471 (flag_ssa): Likewise.
3472 (f_options): Add "ssa".
3473 (compile_file): Create SSA dump files.
3474 (rest_of_compilation): Go to and from SSA if enabled.
3475 (decide_d_option): Handle -de for SSA dump files.
3478 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
3480 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
3483 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
3485 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
3487 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
3489 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
3490 (MD_STARTFILE_PREFIX_1): New macro.
3492 2000-03-09 Robert Lipe <robertl@sco.com>
3494 * config/ia64/ia64.c: Include system.h.
3496 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
3498 * except.c (nothrow_function_p): If -fno-exceptions, just return.
3499 (init_eh_nesting_info): Likewise.
3501 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
3502 (TREE_NOTHROW): Rename from TREE_RAISES.
3503 * toplev.c (rest_of_compilation): Set it.
3504 * print-tree.c (print_node): Adjust.
3505 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
3506 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
3507 * calls.c (emit_call_1): Add 'nothrow' parm. Add
3508 REG_EH_REGION note as appropriate.
3509 (libfunc_nothrow): New fn.
3510 (emit_library_call, emit_library_call_value): Use it.
3511 (expand_call): Check TREE_NOTHROW.
3513 * varasm.c (make_decl_rtl): Skip initial '*' when setting
3514 DECL_ASSEMBLER_NAME.
3516 2000-03-09 Andreas Jaeger <aj@suse.de>
3518 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
3519 (TARGET_MEM_FUNCTIONS): Define.
3521 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
3523 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
3525 * except.c (can_throw): See through a SEQUENCE.
3526 (nothrow_function_p): New fn.
3527 * except.h: Declare it.
3528 * function.c (current_function_nothrow): New var.
3529 (prepare_function_start): Initialize it.
3530 * output.h: Declare it.
3531 * toplev.c (rest_of_compilation): Set it.
3532 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
3534 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
3536 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
3537 match. (cpp_compare_defs): Count the nul separator when
3538 advancing over argument names.
3540 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
3542 * recog.c (preprocess_constraints): Matching constraints affect
3543 same alternative/different operand, not same operand/different
3546 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
3547 register and a constant specially.
3549 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3551 * libgcc2.h: New file.
3552 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
3554 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
3556 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
3557 * configure: Regenerate.
3560 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
3562 * Makefile.in (LIBCPP_DEPS): New macro.
3563 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
3565 * cpperror.c: Include cpphash.h.
3566 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
3568 (lex): Don't use CPP_WARN_UNDEF.
3569 (_cpp_parse_expr): Return an int, the truth value.
3570 * cppfiles.c: Include cpphash.h.
3571 (_cpp_merge_include_chains): Move to cppinit.c and make static.
3572 * cppinit.c (include_defaults_array): Disentangle.
3573 (cpp_cleanup): Don't free the if stack here.
3574 (cpp_finish): Pop off all buffers, not just one.
3575 * cpplib.c (eval_if_expr): Return int.
3576 (do_xifdef): Rename do_ifdef.
3577 (handle_directive): Don't use CPP_PREPROCESSED.
3578 (cpp_get_token): Don't use CPP_C89.
3579 * fix-header.c: Don't use CPP_OPTIONS.
3581 * cpplib.h: Move U_CHAR, enum node_type, struct
3582 file_name_list, struct ihash, is_idchar, is_idstart,
3583 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
3584 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
3585 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
3586 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
3587 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
3588 of _cpp_simplify_pathname, _cpp_find_include_file,
3589 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
3590 Move struct if_stack to cpplib.c. Move struct cpp_pending to
3592 Change all uses of U_CHAR to be unsigned char instead.
3593 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
3595 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
3597 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
3598 (dwarf2out_begin_prologue): Set it.
3599 (output_call_frame_info): Don't emit EH unwind info for leaves.
3601 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
3602 can occur outside of an EH region.
3603 * except.c: Correct comments about rethrow behavior.
3604 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
3606 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
3608 * flow.c (make_edges): Always call make_eh_edge for calls.
3610 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
3612 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
3613 (struct cpp_buffer): Remove fname and underflow fields.
3614 (struct cpp_reader): Remove get_token field.
3615 (struct include_hash): Rename to struct ihash. Add typedef to
3617 (struct if_stack): Remove fname field.
3618 (IF_STACK_FRAME): Rename to IF_STACK.
3620 * cpperror.c (print_containing_files): Trust that there are no
3621 macro buffers below the top file buffer.
3622 * cppfiles.c: Replace all references to 'struct include_hash'
3623 with 'IHASH'. Rename initialize_input_buffer to
3624 init_input_buffer. Don't set or reference cpp_buffer->fname,
3625 use buffer->ihash->name instead.
3626 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
3627 not CPP_NULL_BUFFER.
3628 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
3629 IF_STACK_FRAME, IHASH not struct include_hash.
3630 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
3631 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
3632 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
3633 references to cpp_buffer->fname (delete entirely, or use
3634 ->ihash->name instead) and IF_STACK->fname.
3635 (cpp_push_buffer): Don't set new->underflow.
3636 (do_include): Use cpp_file_buffer.
3638 * cpphash.c (collect_formal_parameters): Remove duplicate
3639 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
3640 used as a macro argument name. Don't append "..." to namebuf
3641 for varargs macros. After we're done scanning, go through
3642 namebuf and make it NUL separated, not comma separated.
3643 (_cpp_compare_defs): Remove register tag from variables.
3644 Expect defn->argnames to be NUL separated.
3645 (_cpp_dump_definition): Expect defn->argnames to be NUL
3646 separated and in forward order.
3647 * cpphash.h: Update documentation of argnames field.
3649 2000-03-08 Richard Henderson <rth@cygnus.com>
3651 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
3652 to fail. Don't pre-expand the source operand.
3654 * i386.md (strlensi): Initialize eoschar and align before use.
3656 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
3658 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
3659 CONSTRUCTOR element.
3661 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
3663 * mips.c (mips_expand_prologue): If the last
3664 named argument is the vararg marker "va_list", treat it as
3665 an unnamed argument.
3667 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
3669 * dbxout.c (dbxout_parms): When correcting for promoted
3670 big-endian parameters, use the mode of the DECL_RTL rather
3671 than UNITS_PER_WORD.
3673 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
3675 * c-common.h (make_fname_decl): Declare.
3676 * c-common.c (make_fname_decl): Define.
3677 (declare_hidden_char_array): Remove.
3678 (declare_function_name): Use make_fname_decl.
3679 * c-decl.c (c_make_fname_decl): New function.
3680 (init_decl_processing): Set make_fname_decl.
3682 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
3684 * cccp.c (handle_directive): Initialize backslash_newlines_p.
3686 2000-03-07 Philipp Thomas <pthomas@suse.de>
3688 * po/POTFILES.in: Remove cppalloc.c from file list.
3690 2000-03-07 Steve Chamberlain <sac@pobox.com>
3692 * pj.c (pj_expand_prologue): current_function->args_info is
3693 now current_function_args_info.
3695 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
3696 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
3697 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
3699 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3701 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
3702 output as hexadecimal rather than the default octal.
3704 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
3706 * cpphash.c (special_symbol): Fix thinko in previous commit.
3708 2000-03-07 Neil Booth <NeilB@earthling.net>
3710 * cppexp.c (struct operation, left_shift, right_shift,
3711 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
3712 "int"s to "unsigned int"s.
3713 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
3715 * cpplib.h: Update for above.
3716 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
3717 returned from allocations.
3719 * cppinit.c (opt_comp, parse_options): New functions.
3720 (handle_option): Use parse_option to parse a single command
3721 line option, that possibly takes an argument.
3722 (cpp_handle_options): Sort the array of command line options on
3723 first invocation (non-ASCII hosts only).
3724 (print_help): Update.
3726 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
3728 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
3729 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
3731 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
3733 * cppinit.c (cpp_cleanup): Free imp->nshort also.
3735 * cpperror.c (cpp_print_containing_files,
3736 cpp_print_file_and_line, v_cpp_message): Rename to
3737 print_containing_files, print_file_and_line, and v_message.
3738 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
3739 to _cpp_parse_expr, parse_escape, and lex.
3740 (parse_charconst): Remove broken multibyte support.
3741 * cppfiles.c (include_hash): Make static.
3742 (cpp_included): New function.
3743 (merge_include_chains, find_include_file, finclude,
3744 simplify_pathname): Rename to _cpp_merge_include_chains,
3745 _cpp_find_include_file, _cpp_read_include_file, and
3746 _cpp_simplify_pathname.
3747 * cpphash.c (cpp_lookup, free_definition, delete_macro,
3748 cpp_install, create_definition, macroexpand, compare_defs,
3749 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
3750 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
3751 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
3752 * cppinit.c (cpp_handle_option): Rename to handle_option, make
3754 * cpplib.c: Remove extern prototype of cpp_parse_expr.
3756 * cpphash.h: Update prototypes.
3757 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
3759 2000-03-07 Andrew Haley <aph@cygnus.com>
3761 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
3762 PTRDIFF_TYPE should be based solely on Pmode.
3765 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3767 * rtl.h (rtunion_def): Constify member `rtstr'.
3768 (emit_line_note_after, emit_line_note, emit_line_note_force,
3769 emit_note, decode_asm_operands): Constify.
3771 * cse.c (canon_hash): Likewise.
3773 * dbxout.c (dbxout_block): Likewise.
3775 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
3776 v_warning_for_asm): Likewise.
3778 * dwarfout.c (function_start_label): Likewise.
3780 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
3781 emit_line_note_force): Likewise.
3783 * final.c (last_filename, asm_insn_count, final_scan_insn,
3784 output_source_line): Likewise.
3786 * function.h (struct emit_status): Likewise.
3788 * gcse.c (hash_expr_1): Likewise.
3790 * genattr.c (gen_attr, main): Likewise.
3792 * genattrtab.c (struct function_unit, current_alternative_string,
3793 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
3794 attr_numeral, check_attr_test, check_attr_value,
3795 convert_set_attr_alternative, convert_set_attr,
3796 compute_alternative_mask, simplify_by_exploding, gen_attr,
3797 gen_unit): Likewise.
3799 * genflags.c (gen_insn): Likewise.
3801 * gengenrtl.c (type_from_format): Likewise.
3803 * genopinit.c (gen_insn): Likewise.
3805 * genoutput.c (n_occurrences, process_template, process_template):
3808 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
3811 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
3814 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
3815 ggc_set_mark, ggc_get_size): Likewise.
3817 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
3819 * optabs.c (init_one_libfunc): Likewise.
3821 * output.h (assemble_start_function): Likewise.
3823 * recog.c (decode_asm_operands): Likewise.
3825 * toplev.c (rest_of_compilation): Likewise.
3827 * tree.h (emit_line_note_after, emit_line_note,
3828 emit_line_note_force): Likewise.
3830 * varasm.c (asm_output_bss, asm_output_aligned_bss,
3831 asm_emit_uninitialised, assemble_start_function,
3832 assemble_variable, const_hash, compare_constant_1,
3833 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
3835 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
3837 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
3839 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
3841 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
3843 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
3844 arm_dllimport_name_p): Likewise.
3846 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
3849 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
3851 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3853 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
3854 arm_mark_dllexport, arm_mark_dllimport,
3855 arm_pe_encode_section_info): Likewise.
3857 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
3858 ASM_FINISH_DECLARE_OBJECT): Likewise.
3860 * arm/thumb.c (thumb_function_prologue): Likewise.
3862 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
3864 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3866 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
3868 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
3870 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
3872 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3874 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
3875 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
3877 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
3879 * i386/i386.c (asm_output_function_prefix): Likewise.
3881 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
3883 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3885 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
3887 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
3888 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
3889 ASM_OUTPUT_SECTION_NAME): Likewise.
3891 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
3893 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
3895 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
3897 * m32r/m32r.c (m32r_encode_section_info): Likewise.
3899 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3901 * mcore/mcore.c (mcore_encode_section_info): Likewise.
3903 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3905 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3907 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3909 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
3911 * mips/mips.md (movdi, movsi): Likewise.
3913 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3915 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3917 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3919 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
3920 ASM_OUTPUT_ASCII): Likewise.
3922 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
3923 output_mi_thunk, output_toc): Likewise.
3925 * rs6000/rs6000.md (movsi): Likewise.
3927 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
3929 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
3931 * v850/v850.c (print_operand, print_operand_address,
3932 v850_encode_data_area): Likewise.
3934 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
3936 * config/mips/mips.md (zero_extendsidi2): Always force operand
3937 one to memory for mips16.
3939 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3941 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
3942 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
3943 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
3944 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
3945 (min_precision): Result is unsigned.
3946 (add_double, neg_double, mul_double): Low word is unsigned.
3947 (lshift_double, rshift_double, lrotate_double): Likewise.
3948 (rrotate_double, div_and_round_double): Likewise.
3949 (tree_floor_log2, compare_tree_int): New functions.
3950 (preserve_rtl_expr_temps): New declaration.
3951 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
3952 (decl_attributes): Use tree_log2 to find alignment.
3953 Check for TREE_INT_CST_HIGH for format args.
3954 (min_precision): Now unsigned.
3955 Use tree_floor_log2.
3956 (truthvalue_conversion): Delete long-disabled code.
3957 * c-decl.c (finish_struct): Clean up tests on field width.
3958 (finish_function): Use compare_tree_int.
3959 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
3960 * c-typeck.c (comptypes): Use tree_int_cst_equal.
3961 (default_conversion, digest_init): Use compare_tree_int.
3962 (build_binary_op): Use integer_all_onesp and compare_tree_int.
3963 Fix type errors in forming masks.
3964 * calls.c (initialize_argument_information): Use compare_tree_int.
3965 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
3966 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
3967 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
3968 (store_field): Use compare_tree_int.
3969 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
3970 (expand_expr, case ARRAY_REF): Use compare_tree_int.
3971 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
3972 (do_store_flag): Use compare_tree_int.
3973 * fold-const.c (encode, decode): Low part is always unsigned.
3974 (force_fit_type, add_double, neg_double, mul_double): Likewise.
3975 (lshift_double, rshift_double, lrotate_double): Likewise.
3976 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
3977 (fold_convert): Use compare_tree_int.
3978 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
3979 (invert_truthvalue, case INTEGER_CST): Likewise.
3980 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
3981 * mkdeps.c (deps_dummy_targets): Make I unsigned.
3982 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
3983 (lshift_double, rshift_double, lrotate_double, rrotate_double):
3985 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
3986 (expand_end_case): Use compare_tree_int.
3987 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
3988 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
3989 (layout_decl): Likewise.
3990 (layout_record, layout_union): Make sizes unsigned.
3991 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
3992 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
3993 * tree.c (struct type_hash): hashcode is unsigned.
3994 (build_type_attribute_variant, type_hash_list): Likewise.
3995 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
3996 (attribute_hash_list, build_array_type, build_method_type): Likewise.
3997 (build_complex_type): Likewise.
3998 (real_value_from_int_cst): Remove unneeded casts.
3999 (integer_all_onesp): Add casts.
4000 (tree_floor_log2, compare_tree_int): New functions.
4001 (build_index_type): Use tree_int_cst_sgn.
4002 * varasm.c (assemble_variable): Use compare_tree_int.
4004 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
4006 * cpphash.c (collect_expansion): Also catch ## at start of macro.
4008 * varasm.c (make_decl_rtl): Don't add a number to members of
4010 (make_function_rtl): Likewise.
4012 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4014 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
4015 patch from 2000-01-28.
4017 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
4019 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
4020 filled with an insn from the jump target.
4022 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4024 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
4025 (c4x_external_ref): Likewise.
4026 * config/c4x/c4x.c (struct name_list): Likewise.
4028 1999-12-16 Ben Collins <bcollins@debian.org>
4030 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
4031 argument to genmultilib.
4032 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
4033 the contents into the multilib.h header.
4034 * gcc.c: Declare multilib_exclusions for the specs file.
4035 (set_multilib_dir): Use it.
4036 (print_multilib_info): Likewise.
4037 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
4038 to pass to genmultilib.
4040 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4042 * builtins.c (built_in_class_names, built_in_names): Constify a
4045 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
4047 (_mcleanup): Ensure value matches format specifier in sprintf.
4049 * cpphash.c (special_symbol): Don't needlessly cast away
4052 * cppinit.c (base_name): Delete unused prototype.
4054 * mkdeps.c (deps_init): Make definition K&R safe.
4056 * tree.h (built_in_class_names, built_in_names): Constify a
4059 2000-03-06 Jakub Jelinek <jakub@redhat.com>
4061 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
4062 floating point instructions for epilogue delay.
4064 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
4065 to gas if it supports .register pseudo.
4067 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
4068 LONG_DOUBLE_TYPE_SIZE if not defined.
4069 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
4070 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
4072 * gengenrtl.c: Likewise.
4073 * print-rtl.c: Likewise.
4075 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
4076 MASK_LONG_DOUBLE_128.
4077 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
4078 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
4079 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
4080 (SUBTARGET_SWITCHES): Define.
4081 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
4082 with -mlong-double-128.
4083 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
4084 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4085 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
4086 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
4087 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
4088 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
4089 with -mlong-double-128.
4090 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
4091 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
4092 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
4093 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
4094 TARGET_LONG_DOUBLE_128): Define.
4095 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
4096 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
4097 long double on TARGET_ARCH64.
4099 2000-03-06 Mark Mitchell <mark@codesourcery.com>
4101 * function.c (free_temps_for_rtl_expr): Don't free slots
4102 that have been pushed into a higher level.
4105 2000-03-05 Mark Mitchell <mark@codesourcery.com>
4107 2000-03-05 Mark Mitchell <mark@codesourcery.com>
4109 * basic-block.h (ALLOCA_REG_SET): Remove.
4110 (INITIALIZE_REG_SET): New macro.
4111 * flow.c (update_life_info): Use it.
4112 (calculate_global_regs_live): Likewise.
4113 (propagate_block): Likewise.
4114 * global.c (build_insn_chain): Likewise.
4115 * haifa-sched.c (schedule_region): Likewise.
4117 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
4119 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
4120 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
4121 (DWARF_ARANGES_PAD_SIZE): New define.
4122 (output_aranges): Use it to pad the address range header.
4123 (DWARF_ROUND): Fix for non power of 2 rounding.
4125 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
4127 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
4129 2000-03-05 Mark Mitchell <mark@codesourcery.com>
4131 * tree.def (RTL_EXPR): Update documentation.
4132 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
4133 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
4134 * function.c (preserve_rtl_expr_temp): New function.
4135 (preserve_rtl_expr_temps): Likewise.
4136 (preserve_rtl_expr_result): Use it.
4139 2000-03-04 Mark Mitchell <mark@codesourcery.com>
4141 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
4143 * regmove.c (copy_src_to_dest) Do not create src->dest move
4144 for unchanging destination.
4146 2000-03-04 Mark Mitchell <mark@codesourcery.com>
4148 * function.h (struct sequence_stack): Remove rtl_expr.
4149 (struct emit_staus): Likewise.
4150 (seq_rtl_expr): Remove.
4151 * tree.h (free_temps_for_rtl_expr): Don't declare.
4152 (start_sequence_for_rtl_expr): Likewise.
4153 * rtl.h (preserve_rtl_expr_result): Likewise.
4154 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
4155 (start_sequence_for_rtl_expr): Remove.
4156 (push_topmost_sequence): Don't save sequence_rtl_expr.
4157 (pop_topmost_sequence): Remove comment about not restoring it.
4158 (end_sequence): Don't set seq_rtl_expr.
4159 (init_emit): Don't initialize it.
4160 (mark_sequence_stack): Don't mark it.
4161 (mark_emit_status): Likewise.
4162 * except.c (protect_with_terminate): Use
4163 start_sequence_for_rtl_expr, not start_sequence.
4164 * expr.c (expand_expr, case RTL_EXPR): Don't call
4165 preserve_rtl_expr_result or free_temps_for_rtl_expr.
4166 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
4167 (preserve_rtl_expr_result): Remove.
4168 (free_temps_for_rtl_expr): Likewise.
4169 (pop_temp_slots): Likewise.
4170 (mark_temp_slot): Don't mark the rtl_expr.
4171 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
4172 start_sequence_for_rtl_expr.
4174 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
4176 * mkdeps.c, mkdeps.h: New files.
4177 * po/POTFILES.in: Add them.
4178 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
4179 (cpplib.o, cppinit.o): Depend on mkdeps.h.
4180 (mkdeps.o): New target.
4182 * cppfiles.c: Delete deps_output.
4183 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
4184 OBJECT_SUFFIX, and base_name.
4185 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
4187 (initialize_dependency_output): Use deps_init,
4188 deps_add_target, deps_calc_target, and deps_add_dep. Remove
4189 all the unnecessary string bashing.
4190 (cpp_finish): Use deps_write. Remove an unnecessary nesting
4192 * cpplib.c (do_include): Use deps_add_dep.
4193 * cpplib.h (struct cpp_reader): Replace deps_buffer,
4194 deps_allocated_size, deps_size, deps_column members with
4195 single pointer to a struct deps. Delete prototype of
4198 * cppinit.c: Fix thinko in previous patch.
4200 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4202 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
4203 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
4204 (mode_for_size_tree): New function.
4205 (layout_decl, layout_type): Call it and clean up BLKmode checks.
4206 * tree.h (mode_for_size_tree): New declaration.
4208 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
4210 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
4212 * stmt.c (is_body_block): Move...
4213 * dwarfout.c, dwarf2out.c: ...from here.
4214 * tree.h: Declare it.
4215 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
4216 * final.c (final_start_function): Do call remove_unnecessary_notes
4219 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
4221 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
4223 * cpplib.h (_dollar_ok): New macro.
4224 (is_idchar, is_idstart): Use it.
4225 (IStable): Rename to _cpp_IStable. Declare it const if
4226 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
4227 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
4228 is_space): Update for renamed IStable.
4230 * cppinit.c: Delete all references to FAKE_CONST and CAT
4231 macros. Define init_IStable as empty macro if gcc >=2.7 or
4232 C99. Change TABLE() to ISTABLE and hardcode name of table.
4233 (cpp_start_read): Don't change the IStable based on
4236 * cpphash.c (unsafe_chars): Add pfile argument. All callers
4237 changed. Handle '$' for char1 correctly.
4238 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
4240 * cppexp.c (tokentab2): Make const.
4241 (cpp_lex): Make toktab const.
4242 * cppinit.c (include_defaults_array): Make const.
4243 (initialize_standard_includes): Make default_include const.
4245 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
4247 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
4248 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
4249 (gen_decl_die): Likewise.
4250 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
4251 (output_decl): Likewise.
4253 * varasm.c (make_function_rtl): If we change the name used in the
4254 rtl, update DECL_ASSEMBLER_NAME accordingly.
4255 (make_decl_rtl): Likewise.
4257 * toplev.c (rest_of_compilation): Tweak formatting.
4259 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
4260 remove_unnecessary_notes.
4261 (debug_ignore_block): New fn.
4262 * toplev.h: Declare it.
4263 * emit-rtl.c (remove_unncessary_notes): Call it.
4264 * dwarf2out.c (dwarf2out_ignore_block): New fn.
4265 * dwarf2out.h: Declare it.
4266 * final.c (final_start_function): Don't call remove_unnecessary_notes
4267 if we did insn scheduling.
4269 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
4271 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
4272 * cpplib.h: Delete SET_CPP_PEDANTIC.
4274 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4276 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
4277 result is a RECORD_TYPE.
4279 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
4281 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
4283 2000-03-03 Richard Henderson <rth@cygnus.com>
4285 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
4286 addition over compliments over shifts.
4288 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4290 * reload1.c (reload_combine_note_use): Handle return register USEs.
4291 REG case: Handle multi-hard-register hard regs.
4293 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4295 * md.texi: Document use of '*' in insn pattern name.
4297 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
4299 * calls.c (special_function_p): operator new may not be malloc-like.
4301 * gcse.c (dump_hash_table): Really fix error in last change.
4303 2000-03-02 Denis Chertykov <denisc@overta.ru>
4305 * avr.c (print_operand): Use print_operand_address instead of
4307 * avr/libgcc.S: Cleanup code.
4309 2000-03-02 Richard Henderson <rth@cygnus.com>
4311 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
4313 2000-03-02 Mark Mitchell <mark@codesourcery.com>
4315 * tree.h (TYPE_ALIGN_UNIT): New macro.
4317 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
4319 * i386.c: (constant_call_address_operand): Reject CONST_INT.
4321 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
4323 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
4325 (SET_CPP_PEDANTIC): New macro.
4326 * cpplib.c (do_include): Don't bother checking system_header_p.
4327 (do_warning, do_ident, do_assert, do_unassert): Likewise.
4328 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
4330 * function.h (struct expr_status): Add x_arg_space_so_far.
4331 (arg_space_so_far): New macro.
4332 * expr.c (init_expr): Initialize it.
4333 * calls.c (emit_call_1): Reset it.
4334 (compute_argument_block_size, expand_call): Use it.
4335 (expand_call, store_one_arg): Increment it.
4337 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4339 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
4342 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
4344 * cppfiles.c (cpp_read_file): New function.
4346 * cpphash.c (collect_expansion): Make sure to reset last_token
4347 to NORM when we hit a string. Handle trailing whitespace
4348 properly when the expansion is empty.
4349 (create_definition): Disable line commands while parsing the
4351 (dump_definition): If pfile->lineno == 0, output a line
4352 command ahead of the dump, and add a trailing newline.
4354 * cppinit.c (append_include_chain): Add fifth argument, which
4355 indicates whether or not system headers are C++ aware.
4356 (initialize_standard_includes): New function,
4357 broken out of read_and_prescan. Pass 'cxx_aware' value from
4358 the include_defaults_array on to append_include_chain.
4359 (dump_special_to_buffer): Const-ify char array.
4360 (builtin_array): Don't dump __BASE_FILE__.
4361 (cpp_start_read): Use cpp_read_file. Reorder code for
4362 clarity. Don't output line commands here for -D/-A/-U
4363 switches. Don't call deps_output for files included with
4364 -include or -imacros.
4366 * cpplib.c (do_define): Don't pay any attention to the second
4368 (cpp_expand_to_buffer): Disable line commands while scanning.
4369 (output_line_command): Work in the file buffer.
4370 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
4371 Fix formatting of comments. Prototype cpp_read_file.
4373 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4375 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
4376 reference the language-equivalent of sizetype.
4377 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
4378 * fold-const.c (size_binop, size_diffop): Put back checks.
4379 * gcse.c (dump_hash_table): Fix minor error in last change.
4380 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
4381 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
4384 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
4386 * calls.c (expand_call) Do not attempt to combine stack adjustments
4387 with inhibit_defer_pop set.
4389 2000-03-01 Mark Mitchell <mark@codesourcery.com>
4391 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
4392 the DECL_SIZE for a FIELD_DECL.
4394 2000-03-01 Bruce Korb <bkorb@gnu.org>
4396 * fixinc/inclhack.tpl: remove unused symlinks
4397 * fixinc/README: GCC Maintainer info
4398 * fixinc/inclhack.sh: regen
4399 * fixinc/fixincl.sh: regen
4401 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
4403 * cpphash.c (collect_expansion): Trim trailing white space
4404 from macro definitions, but don't go past the last insertion
4407 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
4409 * i386.md (mulqi3): New pattern.
4411 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
4413 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
4415 (struct cpp_reader): Add parsing_if_directive and
4416 parsing_define_directive flags.
4417 (struct cpp_options): Remove output_conditionals flag.
4418 (check_macro_name): Delete prototype.
4420 * cpphash.h (struct macrodef): Delete.
4421 (struct reflist): Separate from struct definition.
4422 (struct definition): Remove unused fields. Add column number.
4423 (create_definition): Returns a DEFINITION *. Takes a
4424 cpp_reader * and an int.
4426 * cpphash.c (SKIP_WHITE_SPACE): Delete.
4427 (PEEKC): Copy defn from cpplib.c.
4428 (rest_extension, REST_EXTENSION_LENGTH): Delete.
4430 (struct arglist): Simplify.
4431 (collect_expansion): Rewrite. Get tokens by calling
4432 cpp_get_token. Add more error checking.
4433 (collect_formal_parameters): New function, broken out of
4434 create_definition and reworked to use get_directive_token.
4435 (create_definition): All real work is now in collect_expansion
4436 and collect_formal_parameters. do_define handles finding the
4437 macro name. Return a DEFINITION, not a MACRODEF.
4438 (macroexpand): Replace bcopy with memcpy throughout. Replace
4439 character-at-a-time copy loop with memcpy and pointer increments.
4440 (compare-defs): d1->argnames / d2->argnames might be null.
4442 * cpplib.c (copy_rest_of_line): Delete function.
4443 (skip_rest_of_line): Do all the work ourselves.
4444 (skip_string): New function.
4445 (parse_string): Use skip_string.
4446 (get_macro_name): New function.
4447 (check_macro_name): Delete.
4448 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
4449 (cpp_skip_hspace): Use CPP_BUMP_LINE.
4450 (handle_directive): ICE if we're called on a macro buffer.
4451 (do_define): Determine macro name and type (funlike/objlike)
4452 here. Expunge all uses of MACRODEF.
4453 (cpp_push_buffer): Set line_base to NULL.
4454 (do_undef, read_line_number): Don't worry about getting a POP token.
4455 (eval_if_expression): Set/reset parsing_if_directive around
4456 cpp_parse_expr. Don't clear only_seen_white.
4457 (skip_if_group): Remove output_conditionals logic. Use
4459 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
4460 tokens under appropriate conditions.
4461 (cpp_unassert): Call do_unassert not do_assert. Oops.
4463 * cppexp.c (parse_defined): New function, break out of
4465 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
4466 ourselves, with cpp_defined.
4467 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
4469 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
4470 * gcc.dg/strpaste-2.c: New.
4472 2000-02-29 Mark Mitchell <mark@codesourcery.com>
4474 * fold-const.c (size_binop): Don't asert inputs are the same and
4475 have TYPE_IS_SIZETYPE set.
4476 (size_diffop): Likewise.
4478 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
4480 * dwarfout.c (output_block): Output abstract blocks even if they
4481 don't have TREE_ASM_WRITTEN set.
4483 * calls.c (emit_library_call): Check for null REG.
4485 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
4487 * c-decl.c (current_function_decl): Move to toplev.c.
4488 (init_decl_processing): Don't add current_function_decl as a ggc
4490 * dbxout.c (dbxout_symbol): Change return type to int.
4491 (dbxout_symbol_location, dbxout_syms): Likewise.
4492 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
4493 any locals. Use current_function_func_begin_label if set.
4494 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
4495 * dwarf2out.c (dwarf2out_begin_prologue): Set
4496 current_function_func_begin_label.
4497 * final.c (final_start_function): Reset it.
4498 * toplev.c (current_function_decl): Define it here.
4499 (current_function_func_begin_label): New variable.
4500 (main): Add both as ggc roots.
4501 * tree.h (current_function_func_begin_label): Declare.
4503 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4505 * gcse.c: Cleanups throughout: mostly white-space, but also
4506 some minor rearrangement of code.
4508 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
4510 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
4511 returns a PARALLEL. Use emit_group_load and use_group_regs
4513 (emit_library_call_value): Similarly.
4515 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
4516 * pa/quadlib.asm: Remove.
4517 * pa/quadlib.c: New file.
4519 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
4520 * configure: Rebuilt.
4522 2000-02-29 Philip Blundell <pb@futuretv.com>
4524 * config/arm/conix-elf.h: New file.
4525 * configure.in (arm*-*-conix*): New configuration.
4526 * configure: Regenerate.
4528 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
4530 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
4531 don't have TREE_ASM_WRITTEN set.
4533 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4535 * Eliminate DECL_FIELD_SIZE.
4536 * builtins.c (built_in_class_names, built_in_names): New variables.
4537 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
4538 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
4539 DECL_SIZE, not DECL_FIELD_SIZE.
4540 * print-tree.c (print_node): Remove code that prints extra blank
4541 lines in some cases.
4542 Properly handle inline and builtin function cases.
4543 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
4544 * tree.h (built_in_class_named, built_in_names): New declarations.
4545 (union tree_decl): Rename internal unions to u1 and u2 and change
4546 some of their components.
4547 Add new field built_in_class.
4548 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
4549 Reflect above changes.
4550 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
4551 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
4552 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
4553 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
4555 2000-02-28 Dmitri Makarov <dim@windriver.com>
4557 * extend.texi: Document ARM's support for long/short calls.
4559 * invoke.texi: Document ARM's -mlong-calls command line switch.
4561 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
4562 (arm_encode_call_attribute): Add prototype.
4563 (arm_set_default_type_attribute): Add prototype.
4564 (arm_strip_name_encoding): Add prototype.
4566 * config/arm/arm.c (arm_init_cumulative_args): replace
4567 initialisation og 'long_calls' field with initialisation of
4568 'call_cookie' field.
4569 (enum arm_pragma_enum): New enum.
4570 (arm_pragma_long_calls): New static variable.
4571 (arm_process_pragma): Also process "#pragma long_calls_off".
4572 (arm_valid_type_attribute_p): Accept short_call attribute.
4573 (arm_comp_type_attributes): Check long/short call attributes.
4574 (arm_encode_call_attribute): New function: Encode long_call
4575 or short_call attribute in function name.
4576 (arm_set_default_type_attributes): New function: Assign
4577 default attributes to newly defined type.
4578 (current_file_function_operand): New function: Return true if
4579 the symbol is a function which has already been compiled.
4580 (arm_is_longcall_p): New function: Return true if the
4581 indicated function should be called via a long call.
4582 (arm_get_strip_length): New function. Returns number of
4583 prefix characters to be stripped from a function's name.
4584 (arm_strip_name_encoding): New function. Strip prefix characters
4585 from a function's name.
4587 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
4589 (SHORT_CALL_FAG_CHAR): Define.
4590 (LONG_CALL_FAG_CHAR): Define.
4591 (ENCODED_SHORT_CALL_ATTR_P): Define.
4592 (ENCODED_LONG_CALL_ATTR_P): Define.
4593 (ARM_NAME_ENCODING_LENGTHS): Define.
4594 (STRIP_NAME_ENCODING): Define.
4595 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
4596 (ARM_ENCODE_CALL_TYPE): Define.
4597 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
4598 (ARM_DECLARE_FUNCTION_SIZE): Define.
4599 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
4601 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
4602 if a long call is needed.
4603 (call_value): Ditto.
4604 (call_symbol): Ditto.
4606 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
4607 ARM_DECLARE_FUNCTION_SIZE.
4609 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
4610 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
4611 (ARM_STRIP_NAME_ENCODING): Undefine.
4612 (STRIP_NAME_ENCODING): Undefine.
4613 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
4614 (ASM_DECLARE_FUNCTION_NAME): Ditto.
4615 (ASM_OUTPUT_COMMON): Ditto.
4616 (ASM_DECLARE_OBJECT_NAME): Ditto.
4618 * config/arm/pe.c (arm_dllexport_name_p): Check for
4620 (arm_dllimport_name_p): Ditto.
4621 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
4622 (arm_mark_dllimport): Ditto.
4624 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4626 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
4628 2000-02-28 Mark Mitchell <mark@codesourcery.com>
4630 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
4632 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
4634 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
4635 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
4636 NO_BUILTIN_WCHAR_TYPE is not defined.
4637 (CPP_WCHAR_TYPE): Delete.
4638 * cccp.c (main): Don't change wchar_type if cplusplus.
4639 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
4641 2000-02-28 Nick Clifton <nickc@cygnus.com>
4643 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
4645 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
4647 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
4648 (ASM_WEAKEN_LABEL): Define.
4650 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
4652 * expr.c (store_constructor): Do not emit USE.
4653 * rtl.h (stupid_life_analysis): Remove.
4655 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4657 * function.c (number_blocks): Reset next_block_index based on
4658 what debugging format is used, not what is defined.
4660 * lcm.c: Minor reformatting throughout.
4661 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
4663 * toplev.c (rest_of_compilation): Account for time in
4664 optimize_mode_switching.
4666 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
4667 if only marking labels.
4669 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
4671 * calls.c (expand_call): Attempt to combine stack adjustments with
4672 pending stack adjustments.
4674 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4676 * loop.c (reg_in_basic_block_p): Don't abort when falling through
4677 to the end of the function.
4679 2000-02-27 Mark Mitchell <mark@codesourcery.com>
4681 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
4683 * final.c (next_block_index): Remove.
4684 (max_block_depth): Likewise.
4685 (pending_blocks): Likewise.
4686 (init_final): Don't initialize them.
4687 (final_start_function): Don't set next_block_index. Set up
4689 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
4690 * function.h (number_blocks): New function.
4691 * function.c (get_block_vector): New function.
4692 (identify_blocks): Use it.
4693 (reorder_blocks): Set NOTE_BLOCK.
4694 (number_blocks): New function.
4695 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
4696 * tree.h (BLOCK_NUMBER): New macro.
4697 (tree_block): Add block_num field.
4698 * dbxout.c (next_block_number): Remove.
4699 (dbxout_init): Don't set it.
4700 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
4701 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
4703 * toplev.c (rest_of_compilation): Always call
4704 find_loop_tree_blocks. Fix indentation.
4705 * dwarf2out.c (next_block_number): Remove.
4706 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
4707 to determine block numbers.
4708 (gen_inlined_subroutine_die): Likewise.
4709 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
4710 (decls_for_scope): Don't increment next_block_number.
4711 * dwarfout.c (next_block_number): Remove.
4712 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
4713 to determine block numbers.
4714 (output_inlined_subroutine_die): Likewise.
4715 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
4716 (output_decls_for_scope): Don't increment next_block_number.
4717 * sdbout.c (next_block_number): Remove.
4718 (sdbout_block): Use BLOCK_NUMBER.
4719 (sdbout_begin_block): Simplify.
4720 * xcoffout.c (next_block_number): Remove.
4721 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
4722 (xcoffout_begin_block): Don't set next_block_number.
4723 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
4726 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4728 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
4729 (expand_builtin_strcpy): Pass correct type to size_binop.
4730 (expand_builtin_strcmp): Likewise.
4731 Clean up conditional structure.
4732 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
4733 (complete_array_type): Don't use size_binop for MAXINDEX.
4734 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
4735 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
4736 (c_alignof): Use size_one_node.
4737 (build_unary_op): Pass arg of proper type to size_binop.
4738 (really_start_incremental_init, push_init_level): Use sizetype for
4739 constructor{,_bit,_unfilled}_index.
4740 (pop_init_label, output_init_element): Likewise.
4741 (output_pending_init_elements, process_init_element): Likewise.
4742 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
4743 * expr.c (store_expr): Use size_int.
4744 (store_constructor): Use proper types for size_binop args.
4745 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
4746 (expand_expr_unaligned): Likewise.
4747 (string_contant): Return object of sizetype.
4748 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
4749 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
4750 (ARGS_SIZE_TREE): Pass proper types to size_binop.
4751 * fold-const.c (int_const_binop): Refine when size_int is called.
4752 (fold_convert): Likewise.
4753 (size_int_wide): Rework to take KIND as arg, only take low order
4754 bits, handle new sizetype_tab datatype, and chain entries in
4756 (size_int_type_wide): New function.
4757 (size_binop): Validate types of arguments.
4758 (ssize_binop): Deleted.
4759 (size_diffop): New function.
4760 (extract_muldiv): Only fold division into multiplication for sizetypes.
4761 * function.c (assign_parms): Use size_diffop and make sure
4762 VAR field is of ssizetype; also pass proper type to size_binop.
4763 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
4764 (round_down): Deleted from here.
4765 * store-layout.c (sizetype_tab): Now an array.
4766 (sizetype_set, early_root_list): New variables.
4767 (variable_size): Use size_one_node.
4768 (round_up): Pass proper type to size_binop.
4769 (round_down): Moved to here and corrected as above.
4770 (layout_record): Pass proper arg types to size_binop.
4771 (layout_type): Likewise.
4772 If sizetype_set is zero, record the type just laid out.
4773 (make_unsigned_type): Don't call set_sizetype;
4774 (make_signed_type): Likewise; also, call fixup_signed_type.
4775 (initialize_sizetypes): New function.
4776 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
4777 set name of bitsizetype to "bit_size_type".
4778 Fix up type of sizes of all types made before call.
4779 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
4780 * tree.c (fix_sizetype): Deleted.
4781 (build_common_tree_nodes): Call initialize_sizetypes.
4782 (build_common_tree_nodes_2): Don't call fix_sizetype.
4783 * tree.h (TYPE_IS_SIZETYPE): New macro.
4784 (initialize_sizetype): New declaration.
4785 (enum size_type_kind): New type.
4786 (struct sizetype_tab): Deleted.
4787 (sizetype_tab): Now array; adjust sizetype macros.
4788 (size_diffop, size_int_type_wide): New functions.
4789 (size_int_wide): Change number of args and type; access macros changed.
4790 (ssize_int, sbitsize_int): New macros.
4791 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
4792 (ROUND_TYPE_SIZE_UNIT): New macro.
4794 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
4796 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
4798 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4800 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
4801 Mark as possibly unused.
4803 * cse.c (cse_insn): Delete dead code involving tablejump.
4804 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
4806 * Makefile.in (libcpp.a): Start by deleting it.
4808 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4810 * cpplib.h (enum file_change_code): Added rename_file.
4811 * cpplib.c (do_line): If a filename is given, set file_change to
4813 (output_line_command): If file_change is rename_file, always
4814 output a # directive with the file name.
4816 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
4818 2000-02-26 Mark Mitchell <mark@codesourcery.com>
4820 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
4821 when copying a PARM_DECL or RESULT_DECL.
4823 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4825 * fix-header.c (recognized_function): Also fix prototypes for
4826 functions taking "void".
4828 2000-02-26 Geoff Keating <geoffk@cygnus.com>
4830 * reload1.c (do_output_reload): Check reg_reloaded_valid before
4831 looking at reg_reloaded_contents.
4833 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
4835 * Makefile.in (STMP_FIXINC): New toggle.
4836 (LIBGCC2_DEPS): Delete all references.
4837 (stmp-headers): Delete target. All references either deleted
4838 or changed to stmp-int-headers.
4839 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
4840 (LIBCPP_OBJS): Take out cppalloc.o.
4841 (cppalloc.o): Delete target.
4842 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
4843 (gen-protos, fix-header): Link with libiberty.a.
4844 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
4847 * configure.in: Remove refs to strerror.
4848 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
4849 * system.h: Take out strerror stanza.
4851 * cpperror.c (my_strerror): Delete function.
4852 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
4853 * cppmain.c (main): Call xmalloc_set_program_name first thing.
4854 * cppalloc.c: Delete file.
4855 * gen-protos.c: Don't provide xrealloc.
4857 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
4858 xstrerror throughout.
4860 2000-02-26 Bruce Korb <bkorb@gnu.org>
4862 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
4863 match for DOS headers, too.
4864 * fixinc/inclhack.sh,fixincl.x: Regenerate.
4866 2000-02-26 Geoff Keating <geoffk@cygnus.com>
4868 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
4869 is right for most ELF targets.
4870 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
4871 Let the default file use %U properly.
4872 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
4875 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
4878 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4880 * toplev.c (documented_lang_options): Correct spelling error.
4881 (decode_d_option, decode_f_option, main): Likewise.
4883 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
4885 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
4886 to tell assembler it is permitted to expand large constants.
4888 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
4890 * protoize.c: (AUX_INFO_SUFFIX): New macro.
4891 (aux_info_suffix): Use.
4892 (SAVE_SUFFIX): New macro.
4894 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
4895 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
4896 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
4898 * invoke.texi (Running Protoize): Update documentation.
4900 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
4902 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
4904 2000-02-25 John Wehle (john@feith.com)
4906 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
4908 2000-02-25 Anthony Green <green@cygnus.com>
4910 * toplev.c (rest_of_compilation): Rebuild jump labels if
4911 combine_instructions has created a new direct jump.
4912 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
4914 (combine_instructions): Call try_combine with new argument.
4915 Return non-null value when new direct jump instruction is created.
4916 * rtl.h: combine_instructions returns an int.
4918 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
4920 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
4921 jump when changing a computed jump into a jump to a known
4924 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
4926 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
4927 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
4929 * i386.md (define_expand "clrstrsi"): Fix typo.
4931 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
4933 * rtl.texi: Fix typo.
4935 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4937 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
4938 UNITS_PER_WORD. Change caller initial_elimination_offset.
4939 (rounded_frame_size): Take into account that argument pushed has
4940 changed. Fix TARGET_ALIGN_DOUBLE problem.
4942 2000-02-25 Geoff Keating <geoffk@cygnus.com>
4944 * haifa-sched.c (schedule_block): Explain the real reason
4945 we delete REG_SAVE_NOTEs on the first insn of a block.
4946 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
4948 2000-02-24 Mark Mitchell <mark@codesourcery.com>
4950 * input.h (push_srcloc): New function.
4951 (pop_srcloc): Likewise.
4952 * toplev.c (push_srcloc): Define it.
4953 (pop_srcloc): Likewise.
4955 2000-02-24 Richard Henderson <rth@cygnus.com>
4957 * flow.c (life_analysis): When collecting reg info, clear
4960 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4962 Fix bug exposed by reload.c no longer rounding the frame
4963 size to BIGGEST_ALIGNMENT:
4964 * sh.c (rounded_frame_size): New function.
4965 (sh_expand_prologue, sh_expand_epilogue): Use it.
4966 (initial_elimination_offset): Likewise.
4968 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4970 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
4971 * sh-protos.h (sh_need_epilogue): Declare.
4972 * sh.c (sh_need_epilogue_known): New static variable.
4973 (sh_need_epilogue): New function.
4974 (function_epilogue): Clear need_epilogue_known.
4975 * sh.md (return): Split into expander / insn pattern.
4976 Make the expander conditional on ! sh_need_epilogue ().
4978 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
4980 * machmode.h (get_mode_alignment): Declare.
4981 (GET_MODE_ALIGNMENT): Call it.
4982 * stor-layout.c (get_mode_alignment): New function. Make
4983 sure alignment is always power of 2.
4985 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4987 * i386.h: Remove useless definition of "I386" and misleading
4990 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
4992 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
4993 under which TREE_PERMANENT will be set.
4994 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
4995 build1): Use TREE_SET_PERMANENT.
4996 * print-tree.c (print_node): Don't report value of
4997 TREE_PERMANENT if ggc_p is true.
4999 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
5000 decide whether to give a type a new alias set.
5001 * objc/objc-act.c (build_objc_string_object): Never copy the string.
5002 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
5003 of value of 'obstack'.
5006 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5008 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
5010 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5012 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
5013 * cpplib.c (cpp_get_token): Produce them.
5014 * cppexp.c (cpp_lex): Handle them.
5016 2000-02-23 Nick Clifton <nickc@cygnus.com>
5018 * config/arm/arm.c (arm_comp_type_attributes): Simply and
5019 comment tests on type attributes.
5021 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5023 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
5024 conform to documentation.
5025 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
5026 to check for special cases.
5027 * sh-protos.h (sh_loop_align): Declare.
5028 * sh.c (sh_loop_align): Define.
5030 2000-02-22 Andrew Haley <aph@cygnus.com>
5032 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
5033 (SIZE_TYPE): Is 32 bits when using -mgp32.
5034 (PTRDIFF_TYPE): Ditto.
5036 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5038 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
5040 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
5042 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
5043 BIGGEST_FIELD_ALIGNMENT a constant.
5045 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
5047 * dwarf2out.c (output_line_info): Put the marker for the end of
5048 the line number info at the actual end.
5049 (gen_struct_or_union_type_die): Use decl_function_context
5050 to check for local classes.
5051 * dwarfout.c (output_type): Likewise.
5053 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
5055 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
5056 for arguments with a mode, but no type.
5057 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
5058 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
5059 * pa/long_double.h: New file.
5060 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
5061 both have 128bit wide long doubles.
5062 * configure: Rebuilt.
5064 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5066 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
5068 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
5069 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
5070 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
5072 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
5074 * integrate.c (compare_blocks, find_block): Likewise.
5076 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
5078 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
5080 * stmt.c (stmt_status, set_file_and_line_for_stmt,
5081 expand_asm_operands): Likewise.
5083 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
5085 * predict.c (estimate_probability): Added the pointer heuristic to
5086 the collection of static branch predictors.
5088 2000-02-21 Catherine Moore <clm@cygnus.com>
5090 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
5091 * invoke.texi (-mfix7000): Document.
5093 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
5095 * diagnostic.c (init_output_buffer): Make it possible to output at
5096 least 32 characters if we're given a too long prefix.
5098 2000-02-20 Mark Mitchell <mark@codesourcery.com>
5100 * varasm.c (initializer_constant_valid_p): Call
5101 lang_expand_constant to simplify the constant.
5103 2000-02-20 Bruce Korb <bkorb@gnu.org>
5105 * fixinc/inclhack.def(stdio_va_list):
5106 typedef needs to be disabled.
5107 * fixinc/inclhack.sh: regen
5108 * fixinc/fixincl.x: regen
5110 2000-02-20 Geoff Keating <geoffk@cygnus.com>
5112 * print-rtl.c (print_rtx): Don't print addresses when
5113 flag_dump_unnumbered.
5115 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5117 * sparc.c (sparc_output_scratch_registers): Mark parameter with
5119 (sparc_va_arg, sparc_flat_output_function_prologue,
5120 sparc_flat_output_function_epilogue): Cast value to unsigned in
5122 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
5124 * sparc.md: Add default case in switch.
5126 2000-02-19 Richard Henderson <rth@cygnus.com>
5128 * c-typeck.c (add_pending_init): Don't abort for multiple
5129 fields at the same offset.
5130 (pending_init_member): Test the correct member.
5132 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5134 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
5136 (start_catch_handler) : Same.
5138 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
5140 * Makefile.in: Have flow.o depend on $(EXPR_H)
5142 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5144 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
5145 * c-decl.c (duplicate_decls, finish_enum): Likewise.
5146 (finish_decl): Remove -Wlarger-than code from here.
5147 * flags.h (id_clash_len): Now int.
5148 (larger_than_size): Now HOST_WIDE_INT.
5149 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
5150 Clean up checking to see if in table.
5151 (make_bit_field_ref): Remove extra parm to bitsize_int.
5152 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
5153 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
5154 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
5155 and for computing size of decl.
5156 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
5157 Move -Wlarger-than code to here.
5158 (layout_record): Remove extra arg to bitsize_int.
5159 Set TYPE_BINFO_SIZE_UNIT.
5160 (layout_union): Remove extra arg to bitsize_int.
5161 Use proper type for size of QUAL_UNION.
5162 (layout_type): Remove extra arg to bitsize_int.
5163 * toplev.c (id_clash_len): Now int.
5164 (larger_than_size): Now HOST_WIDE_INT.
5165 (decode_W_option): Clean up id-clash and larger-than- cases.
5166 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
5167 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
5168 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
5169 (struct tree_decl): New field size_unit.
5170 (size_int_wide): No HIGH operand; NUMBER is now signed.
5171 (size_int_2): Deleted.
5172 (size_int, bitsize_int): Don't use it and rework args.
5173 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
5175 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
5177 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
5179 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5181 * invoke.texi (Warning Options): Add an explanation of why
5182 you might want the -Wfloat-equal flag.
5184 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5186 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
5187 * cppinit.c (new_pending_define): Add cast to avoid warning.
5188 * expmed.c (extract_bit_field): Likewise.
5189 * flow.c (enum reorder_skip_type): New type.
5190 (skip_insns_between_blcok): New it.
5191 Rework to avoid warning about possibly undefined variable.
5192 * function.c (assign_parms): Make thisparm_boundary unsigned.
5193 * genrecog.c (write_switch): Cast XWINT result to int.
5194 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
5195 * mips-tfile.c (init_file): Make two versions of FDR intializer:
5196 one for MIPS and one for Alpha.
5197 (get_tag, copy_object): Add casts to avoid warnings.
5198 * optabs.c (init_one_libfunc): Cast NAME to (char *).
5199 * reload.c (find_reloads): Make TYPE enum reload_type.
5200 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
5201 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
5202 * varasm.c (compare_constant_1): Add cast to avoid warning.
5203 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
5205 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
5206 Cast switch operand of size to int.
5207 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
5208 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
5211 2000-02-18 Nick Clifton <nickc@cygnus.com>
5213 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
5214 anything for an alignment of zero.
5216 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
5217 anything for an alignment of zero.
5219 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
5221 * gcc.texi (Bug Reporting): Refer to bugs.html.
5222 (Bug Lists): Likewise.
5223 * system.h (GCCBUGURL): New preprocessor define.
5224 * rtl.c (fancy_abort): Use it.
5225 * gcc.c (main): Likewise.
5227 2000-02-18 Richard Henderson <rth@cygnus.com>
5229 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
5230 (life_analysis_1): Subsume into ...
5231 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
5232 Use update_life_info for the relaxation.
5233 (update_life_info): Update REG_BASIC_BLOCK for registers live on
5234 entry and regs_live_at_setjmp.
5235 (set_noop_p): Simplify.
5236 (notice_stack_pointer_modification_1): Renamed from s/_1//.
5237 (record_volatile_insns): Split into ...
5238 (delete_noop_moves): ... here,
5239 (notice_stack_pointer_modification): ... here,
5240 (insn_dead_p): ... and here.
5241 (propagate_block): Don't query INSN_VOLATILE.
5242 (mark_used_regs): Mind !PROP_REG_INFO.
5243 * toplev.c (rest_of_compilation): Call mark_constant_function here,
5244 not in life_analysis.
5246 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
5248 * loop.c (canonicalize_condition): New function,
5249 broken out of get_condition.
5250 (get_condition): Use it.
5251 * expr.h (canonicalize_condition): Prototype it.
5253 * tree.h (tree_int_cst_msb): Declare.
5254 * tree.c (tree_int_cst_msb): New function.
5256 2000-02-17 Mark Mitchell <mark@codesourcery.com>
5258 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
5261 * invoke.texi (-fmessage-length=n): Document.
5263 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
5265 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
5267 2000-02-17 Mark Mitchell <mark@codesourcery.com>
5269 * function.c (thread_prologue_and_epilogue_insns): Put a line note
5272 2000-02-17 Nick Clifton <nickc@cygnus.com>
5274 * config/arm/thumb.c: Replace includes of system headers with
5275 #include "system.h".
5277 2000-02-16 Richard Henderson <rth@cygnus.com>
5279 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
5280 Add crtbeginS.o and crtendS.o.
5281 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
5282 (ENDFILE_SPEC): Use crtendS.o.
5283 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
5285 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
5286 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
5288 (__dso_handle): New variable.
5289 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
5290 bias to __CTOR_END__.
5292 2000-02-16 Richard Henderson <rth@cygnus.com>
5294 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
5296 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
5298 * longlong.h (__clz_tab): Declare as static to match definition.
5300 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
5301 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
5302 (XREF_FILE_NAME): Define.
5304 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
5305 (EH_FRAME_SECTION_ASM_OP): Define.
5306 (IDENT_ASM_OP): Define.
5307 (TEXT_SECTION_ASM_OP): Define.
5309 (CTORS_SECTION_ASM_OP): Define.
5310 (CTOR_SECTION_FUNCTION): Use it.
5311 (DTORS_SECTION_ASM_OP): Define.
5312 (DTOR_SECTION_FUNCTION): Use it.
5314 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
5316 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
5319 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
5320 debug_bb_n): New functions.
5321 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
5322 * basic-block.h: Prototype new functions.
5324 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
5326 * configure.in: Add support for avr target.
5327 * configure: Rebuilt.
5329 * invoke.texi: Add AVR invocation docs.
5330 * install.texi: Add information about AVR.
5331 * md.texi: Add AVR constraint letters description.
5332 * extend.texi: Add description for AVR specific attributes.
5334 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
5336 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
5338 2000-02-16 Nick Clifton <nickc@cygnus.com>
5340 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
5341 (make_insn_raw): Move RTL check here.
5343 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5345 * version.c: Include gansidecl.h and version.h.
5347 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
5349 * configure.in (gcc_version): When setting, narrow search to
5350 lines containing `version_string'.
5352 * Makefile.in (mainversion): Likewise.
5353 (GCC_H): New variable.
5354 (gcc.h): Delete target.
5355 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
5356 (version.o): Depend on version.h.
5357 (dbxout.o): Don't depend on gcc.h.
5359 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
5360 Michael Meissner <meissner@cygnus.com>
5362 * md.texi (Simple Constraints): Add item about whitespace.
5363 * genoutput.c (strip_whitespace): New.
5364 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
5365 strip_whitespace for constraints.
5366 Test pointer using NULL, not 0.
5368 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5370 * cpplib.c (do_line): Pedwarn for #line > 32767.
5372 * c-lex.c (readescape): Warn about '\x', but do not reject it.
5374 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
5376 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
5377 to default cpp spec.
5378 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
5379 * cpp.texi: Document __GNUC_PATCHLEVEL__.
5382 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
5385 2000-02-15 Denis Chertykov <denisc@overta.ru>
5387 * configure.in: Add support for avr target.
5389 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5391 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
5392 (sh_addr_diff_vec_mode): Don't declare.
5393 * sh.c (sh_addr_diff_vec_mode): Delete.
5395 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5397 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
5399 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5401 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
5402 (smulsi3_highpart_i): Name.
5403 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
5404 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
5405 (smulsi3_highpart, umulsi3_highpart): Likewise.
5407 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
5408 correctly independent of endianness.
5409 (mulsidi3, umulsidi3): Now define_insn. Hide details that
5410 confuse the optimizers.
5411 (mulsidi3+1, umulsidi3+1): New define_split.
5413 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
5415 * config/sh/sh.md: Guard insn splits against illegal registers.
5416 * config/sh/sh.h: Correct comment about macros.
5418 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5419 Andrew MacLeod <amacleod@cygnus.com>
5421 * Makefile.in (lcm.o): Depend on insn-attr.h.
5422 * basic-block.h (optimize_mode_switching): Declare.
5423 * lcm.c (tm_p.h, insn-attr.h): #include.
5424 (seginfo, bb_info): New structs.
5425 (antic, transp, comp, delete, insert) : New file-scope static variables.
5426 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
5427 (reg_becomes_live, optimize_mode_switching): Likewise.
5428 * tm.texi: Add description of mode switching macros.
5429 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
5431 * sh-protos.h (remove_dead_before_cse): Remove prototype.
5432 (fldi_ok, fpscr_set_from_mem): New prototypes.
5433 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
5434 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
5435 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
5436 (sh_flag_remove_dead_before_cse): Remove declaration.
5437 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
5438 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
5439 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
5440 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
5441 (barrier_align): Allow for JUMP_INSNS containing a parallel.
5442 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
5443 (fldi_ok): New function.
5444 (get_fpscr_rtx): Add fpscr_rtx as GC root.
5445 (emit_sf_insn): Only generate fpu switches when optimize < 1.
5446 (emit_df_insn): Likewise.
5447 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
5448 (sh_flag_remove_dead_before_cse): Delete.
5449 (get_free_reg, fpscr_set_from_mem): New functions.
5450 * sh.md (movdf, movsf): Remove no_new_pseudos code.
5451 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
5453 2000-02-15 Loren Rittle <ljrittle@acm.org>
5455 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
5457 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5459 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
5460 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
5462 * cccp.c: Include version.h and/or don't declare `version_string'.
5463 * collect2.c: Likewise.
5464 * alpha.c: Likewise.
5465 * arm/aof.h: Likewise.
5466 * arm/coff.h: Likewise.
5467 * arm/elf.h: Likewise.
5468 * arm/pe.h: Likewise.
5469 * arm/tcoff.h: Likewise.
5470 * arm/telf.h: Likewise.
5471 * arm/tpe.h: Likewise.
5472 * arm/vxarm.h: Likewise.
5473 * convex/convex.c: Likewise.
5474 * i386/dgux.c: Likewise.
5475 * i386/sun386.h: Likewise.
5476 * m88k/m88k.c: Likewise.
5477 * mcore/mcore-pe.h: Likewise.
5478 * mips/mips.h: Likewise.
5479 * romp/romp.h: Likewise.
5480 * sh/sh.c: Likewise.
5481 * cpphash.c: Likewise.
5482 * cppinit.c: Likewise.
5483 * dwarf2out.c: Likewise.
5484 * dwarfout.c: Likewise.
5487 * mips-tfile.c: Likewise.
5488 * protoize.c: Likewise.
5489 * toplev.c: Likewise.
5492 * version.c (version_string): Constify a char*.
5494 * version.h: New file.
5496 2000-02-14 Nick Clifton <nickc@cygnus.com>
5498 * configure.in: Add mcore-elf and mcore-pe targets.
5499 * configure: Regenerate.
5501 * NEWS: Add note that MCore port has been contributed.
5503 * invoke.texi: Document command line switches for MCore port.
5504 * install.texi: Add MCore to list of supported targets.
5506 2000-02-14 Geoff Keating <geoffk@cygnus.com>
5508 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
5509 then we will need to import the frame handling functions.
5510 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
5511 to import the frames themselves.
5513 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
5514 Jason Eckhardt <jle@cygnus.com>
5516 * basic_block.h: Added prototype for reorder_basic_blocks.
5517 * toplev.c: Changes to add -freorder-blocks and graph dump after
5518 block reordering is done.
5519 * flow.c (reorder_block_def): New structure for use during block
5521 (REORDER_BLOCK_*): New macros to access members of above structure.
5522 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
5523 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
5524 functions for block reordering.
5526 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
5528 * gcc.texi (Passes): Fix typo.
5529 * md.texi (Standard Names): Ditto.
5530 * tm.texi (Storage Layout): Ditto.
5532 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
5534 * cpplib.c (do_define): Only free the old definition if it
5537 2000-02-13 Neil Booth <NeilB@earthling.net>
5539 * cppfiles.c (read_and_prescan): When emitting deferred
5540 newlines, test speccase[] again instead of checking each
5541 possible whitespace character in turn. When we encounter \r,
5542 look behind for \n first, then ahead.
5544 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
5546 * cse.c (cse_altered): New internal flag.
5547 (cse_insn): Set it if we changed an insn.
5548 (cse_main): Clear cse_altered before each basic block.
5549 Only garbage collect if cse_altered is true afterward.
5551 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5553 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
5555 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
5557 * combine.c (simplify_comparison): Fix typo.
5559 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
5561 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
5564 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5566 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
5567 previously inserted node instead of root node. Caller changed.
5569 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5571 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
5573 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5575 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
5576 __dereg_frame_dtor): Add prototype argument.
5578 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
5580 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
5582 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
5584 * gthr-vxworks.h (__gthread_once): Likewise.
5586 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
5588 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
5590 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
5591 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
5592 stack pointer in functions w/o saved registers, output LEAVE more often
5593 on TARGET_USE_LEAVE machines.
5595 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
5597 * config/arm/arm.c (arm_init_cumulative_args); New function:
5598 Initlaise the CUMULATIE_ARGS strcuture for a function
5600 (arm_function_arg): New function: Determine where to place a
5601 function's argument. Also handles deciding the function's
5603 (current_file_function_operand): New function: Return true if
5604 the symbol is a function which has already been compiled.
5605 (arm_is_long_call_p): New function: Return true if the
5606 indicated function should be called via a long call.
5607 (arm_valid_type_attribute_p): New function: Return true if the
5608 attribute is a valid, arm specific, attribute.
5609 (arm_comp_type_attribute): New function: Return true if the
5610 two types have compatable, arm specific, attributes.
5612 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
5614 (FUNCTION_ARG): Redefine to call arm_function_arg.
5615 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
5617 (INIT_CUMULATIVE_ARGS): Redefine to call
5618 arm_init_cumulative_args.
5619 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
5621 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
5623 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
5625 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
5626 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
5627 (COMP_TYPE_ATTRIBUTES): Define.
5629 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
5630 if a long call is needed.
5631 (call_value): Call arm_is_long_call_p to decide if a long call
5633 (call_symbol): Call arm_is_long_call_p to decide if a long call
5636 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
5638 2000-02-11 Denis Chertykov <denisc@overta.ru>
5640 * README.AVR: New file with information about the avr ports.
5641 * config/avr: New directory with avr port files.
5643 2000-02-11 Andreas Jaeger <aj@suse.de>
5645 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
5647 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
5649 * cpphash.c: Fix formatting, update commentary.
5650 (dump_definition): Take three separate arguments instead of a
5651 MACRODEF structure argument.
5652 * cpphash.h: Update prototype of dump_definition.
5653 * cppinit.c (cpp_finish): Update call of dump_definition.
5655 * cpplib.c (do_define): Always create new hash entry with
5656 T_MACRO type. Remove redundant check for redefinition of
5657 poisoned identifier. Update call of dump_definition.
5658 (do_undef): Don't call check_macro_name. Rename sym_length to
5660 (do_error, do_warning): Don't use copy_rest_of_line or
5662 (do_warning): Don't use pedwarn for the actual warning,
5663 only the notice about its not being in the standard. (Fixes
5664 bug with #warning in system headers.)
5665 (do_ident): Stricter argument checking - accept only a single
5666 string after #ident. Also, macro-expand the line.
5667 (do_xifdef): Use cpp_defined. De-obfuscate.
5669 (do_pragma): Split out specific pragma handling to separate
5670 functions. Use get_directive_token. Update commentary. Do
5671 not pass on #pragma once or #pragma poison to the front end.
5672 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
5673 do_pragma_default): New.
5675 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
5677 * jump.c (jump_optimize_1): The first operand in a relational
5679 * optabs.c (emit_conditional_move): Handle relationals which
5680 have a known true/false result.
5682 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5684 * function.c (thread_prologue_and_epilogue_insns): Don't insert
5685 a RETURN insn into a block which already ends with a jump.
5687 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5689 * haifa-sched.c (BUF_LEN): Increase a lot.
5691 2000-02-11 Nick Clifton <nickc@cygnus.com>
5693 * configure.in: Add tm_p_file specification for thumb targets.
5694 * configure: Regenerate.
5696 * config/arm/thumb-protos.h: New file: Prototypes for exported
5697 functions defined in thumb.c.
5699 2000-02-11 Robert Lipe <robertl@sco.com>
5701 * Makefile.in (bootstrap-lean): Remove additional files.
5702 (bootstrap2-lean): Likewise.
5703 (VOL_FILES): List of files for above.
5705 2000-02-11 Nathan Sidwell <nathan@acm.org>
5707 * cpphash.c (special_symbol): Remove spurious argument to
5710 2000-02-11 Joel Sherrill (joel@OARcorp.com>
5712 * configure.in: (i*86-*-rtems*): Swapped elf and coff
5714 * configure: Rebuilt.
5716 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
5718 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
5720 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
5722 * pa.c, pa.h: Remove trigraph sequences within comments.
5724 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
5726 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
5728 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
5730 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
5732 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5734 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
5736 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5738 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
5739 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
5740 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
5741 (ASM_FILE_END): Use c4x_file_end.
5742 * config/c4x/c4x.c (c4x_global_label): New function.
5743 (c4x_external_ref, c4x_file_end): Likewise.
5745 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
5746 (c4x_external_ref, c4x_end_file): Likewise.
5748 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
5750 * cppexp.c: Don't include cpphash.h.
5751 (parse_charconst, cpp_lex): Use cpp_defined.
5752 (cpp_lex): Use get_directive_token throughout. Remove
5753 unnecessary cases from switch. Move assertion-handling code
5755 (cpp_parse_expr): If we see '+' or '-', check the context to
5756 determine if they are unary or binary operators. Streamline
5757 the jumps a bit. Do not call skip_rest_of_line.
5759 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
5760 static. Export get_directive_token. Update commentary.
5761 (cpp_defined): New function.
5762 (do_define): Remove reference to T_PCSTRING. Call
5763 free_definition to release memory for old definition, when
5765 (eval_if_expression): Set only_seen_white to 0 before calling
5766 cpp_parse_expr. Call skip_rest_of_line after it returns.
5767 (cpp_read_check_assertion): Don't preserve a pointer into the
5768 token buffer across a call to cpp_get_token.
5770 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
5771 * cppfiles.c (redundant_include_p): Use cpp_defined.
5772 * cpphash.c (free_definition): New function.
5773 (delete_macro): Use it. Update commentary.
5774 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
5776 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
5777 from enum node_type. Prototype cpp_defined and get_directive_token.
5778 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
5780 * fix-header.c (check_macro_names): Use cpp_defined.
5781 (read_scan_file): Set inhibit_warnings and inhibit_errors in
5782 the options structure.
5784 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5786 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
5788 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
5790 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
5791 rather than die->die_tag.
5793 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5795 * combine.c (make_extraction, force_to_mode): Avoid warning on
5796 mixed-signedness conditionals.
5797 (make_field_assignment, nonzero_bits): Likewise.
5798 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
5799 (store_split_bit_field, extract_split_bit_field): Likewise.
5800 (extract_fixed_bit_field, store_bit_field,
5801 * expr.c: Change alignment to be unsigned everywhere.
5802 (move_by_pieces, store_constructor_field, store_constructor):
5803 Alignment parm is unsigned.
5804 (emit_block_move, emit_group_load, emit_group_store): Likewise.
5805 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
5806 (do_compare_rtx_and_jump): Likewise.
5807 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
5808 Compare align with GET_MODE_ALIGNMENT.
5809 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
5810 (get_inner_reference): Likewise.
5811 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
5812 (expand_assignment): Local vars for alignment now unsigned.
5813 (store_constructor, store_field, expand_expr, do_jump): Likewise.
5814 (do_compare_and_jump): Likewise.
5815 (store_field): Call new function expr_align.
5816 * expr.h (emit_block_move, emit_group_load, emit_group_store):
5817 Alignment arg now unsigned.
5818 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
5819 (do_compare_rtx_and_jump, store_bit_field): Likewise.
5820 (extract_bit_field): Likewise.
5821 * fold-const.c (add_double): Add cast to eliminate signedness warning.
5822 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
5823 (get_best_mode): Alignment arg is unsigned.
5824 * rtl.h (move_by_pieces): Likewise.
5825 * store-layout.c (maximum_field_alignment, set_alignment):
5827 (layout_decl): Alignment arg is now unsigned.
5828 Remove unneeded casts.
5829 (layout_record, layout_union, layout_type): Remove unneeded casts.
5830 Local alignment variables now unsigned.
5831 (get_best_mode): Alignment arg now unsigned.
5832 * tree.c (expr_align): New function.
5833 * tree.h (expr_align): Likewise.
5834 (maximum_field_alignment, set_alignment): Now unsigned.
5835 (get_inner_reference): Alignment argument is now pointer to unsigned.
5836 * varasm.c (assemble_variable): Add cast to eliminate warning.
5838 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
5840 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
5841 then store directly into op0.
5843 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
5844 the CALL_INSN, and emit the note immediately after it.
5846 2000-02-10 Nick Clifton <nickc@cygnus.com>
5848 * config/arm/thumb.md (epilogue): Include a (return) in the
5849 generated insn, and emit it using emit_jump_insn not
5852 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
5854 * function.c (assign_temp): Change zero-sized arrays to size 1.
5855 * integrate.c (expand_inline_function): Do not update
5856 stack_alignment_needed
5857 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
5858 add some sanity checking, remove optimization for function with
5861 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5863 * flow.c (mark_regs_live_at_end): Delete unused variables.
5865 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
5867 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
5868 in macro FRAME_GROWS_DOWNWARD.
5870 * stmt.c (expand_end_bindings): Delete unused variable.
5872 * unroll.c (iteration_info): Mark parameter `loop' with
5875 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5877 * fixinc/server.c (load_data): Return NULL if the marker line is
5879 (run_shell): If load_data returns NULL, retry the command once, in
5882 * configure: Rebuilt.
5884 2000-02-09 Bruce Korb <bkorb@gnu.org>
5886 * gcc/fixincludes: ** DELETED **
5887 * gcc/fixcpp: ** DELETED **
5888 * gcc/fixinc-nt.sed: ** DELETED **
5889 * gcc/just-fixinc: ** DELETED **
5890 * gcc/Makefile.in: Removed out-dated commentary
5891 * gcc/configure.in: Removed fast-fixincludes disablement.
5892 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
5894 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5895 * function.c (thread_prologue_and_epilogue_insns): Uncomment
5898 2000-02-09 Richard Henderson <rth@cygnus.com>
5900 * jump.c (delete_insn): Don't delete user labels at -O0.
5902 2000-02-09 Robert Lipe <robertl@sco.com>
5904 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
5905 Don't link with HOST_LIBS.
5907 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5909 * configure.in: Correct --help text for --with-dwarf2.
5910 Put tm-dwarf2.h after other tm files, if it's requested.
5911 * configure: Regenerate.
5912 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
5915 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5917 * cpplib.h: Provide HASHNODE typedef and forward decl of
5918 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
5919 DEFINITION, struct hashnode, struct macrodef, struct
5920 definition, scan_decls prototype, default defn of
5921 INCLUDE_LEN_FUDGE moved elsewhere.
5923 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
5924 definition, and struct hashnode moved here. Remove the unused
5925 'predefined' field from struct definition. Replace the 'args'
5926 union with its sole member. All users updated (cpphash.c).
5927 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
5928 multiple include guard.
5930 * cpphash.c (hashf): Make static; use better algorithm; drop
5931 HASHSIZE parameter; return an unsigned int.
5932 (cpp_lookup): Drop HASH parameter. PFILE parameter is
5933 used. Calculate HASHSIZE modulus here.
5934 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
5936 (create_definition): Drop PREDEFINITION parameter.
5937 * cpplib.c (do_define): Don't calculate a hash value here.
5938 Don't pass (keyword == NULL) to create_definition.
5940 * scan.h: Prototype scan_decls here.
5941 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
5942 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
5943 callers of cpp_lookup and cpp_install updated.
5945 * cpphash.c (macarg): Hoist all the flag diddling out of the
5947 (macroexpand): ... and out of the loop that calls macarg.
5948 Skip over the initial paren before macro arguments with
5949 cpp_get_non_space_token; point may be some distance before
5950 that paren. Abort if it's not there.
5952 * cpplib.c (parse_clear_mark): Delete function.
5953 (parse_set_mark, parse_goto_mark): Make static.
5954 (ACTIVE_MARK_P): New macro.
5955 (skip_block_comment, skip_line_comment): Do not bump the line
5956 if ACTIVE_MARK_P is true.
5957 (cpp_pop_buffer): The buffer to be popped may not have an
5959 (cpp_get_token): When looking for the initial paren before
5960 macro arguments, only set a mark in a file buffer, Always
5961 return to that mark before proceeding to call macroexpand or
5962 return a NAME token.
5964 * cpplib.h: Remove prototypes of parse_set_mark,
5965 parse_clear_mark, parse_goto_mark.
5966 (struct cpp_options): Rename 'put_out_comments' to
5967 'discard_comments' and invert its sense.
5968 * cppinit.c, cpphash.c, cpplib.c: All users of
5969 put_out_comments changed to use discard_comments, with
5972 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5974 * function.c (thread_prologue_and_epilogue_insns): Don't delete
5975 the edge from a block that both jumps and falls through to the
5978 2000-02-09 Scott Bambrough <scottb@netwinder.org>
5980 * config/arm/arm.md (movsi): In PIC mode, make sure that a
5981 constant source address is legitimate.
5983 2000-02-09 Philip Blundell <pb@futuretv.com>
5985 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
5988 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
5990 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
5992 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
5994 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
5995 ends with a newline and a NUL. Don't be so clever manipulating
5998 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
6000 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
6001 not to BIGGEST_ALIGNMENT.
6003 2000-02-08 Geoff Keating <geoffk@cygnus.com>
6005 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
6006 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
6007 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
6008 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
6009 * frame.c (execute_cfa_insn): Handle
6010 DW_CFA_GNU_negative_offset_extended.
6012 2000-02-08 Richard Henderson <rth@cygnus.com>
6014 * flow.c (tidy_fallthru_edges): Split out from ...
6015 (delete_unreachable_blocks): ... here.
6016 (find_basic_blocks): Use it.
6018 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6020 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
6022 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
6024 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
6025 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
6026 (fix-header.o): Don't depend on cpphash.h.
6028 * scan.c (hashstr): New function.
6029 * scan.h: Prototype it.
6030 * fix-header.c: Don't include cpphash.h. Use hashstr.
6031 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
6032 hashstr. Report hash table statistics. Add private
6033 definition of xrealloc.
6035 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6037 * i386.h (TARGET_SWITCHES): Fix typo in option name.
6039 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
6041 * function.c (thread_prologue_and_epilogue_insns): Don't replace
6042 jumps with returns unless they are jumps to the fallthru block.
6044 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
6046 * i386.md (addqi3_cc): Fix contraints.
6048 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
6050 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
6052 2000-02-07 Mark Mitchell <mark@codesourcery.com>
6054 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
6055 carriage return after a macro name.
6057 2000-02-07 Fred Fish <fnf@be.com>
6059 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
6060 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
6062 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
6064 * cppfiles.c (deps_output): Count spacers in deps_column.
6066 2000-02-07 Neil Booth <NeilB@earthling.net>
6068 * cppinit.c (initialize_dependency_output): If there is no
6069 suffix, don't try to look for known suffixes. Use strrchr.
6070 (cpp_start_read): Remove duplicate initialization.
6072 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
6074 * calls.c (compute_argument_block_size): New argument
6075 preferred_stack_boundary.
6076 (expand_call): update cfun->preferred_stack_boundary, update call of
6077 compute_argument_block_size
6078 (emit_library_call): Increate cfun->preferred_stack_boundary
6079 to PREFERRED_STACK_BOUNDARY
6080 (emit_library_call_value): Likewise.
6081 * explow.c (allocate_dynamic_stack_spave): Likewise.
6082 * function.c (prepare_function_start): Set
6083 cfun->preferred_stack_boundary
6084 * function.h (struct function): Add preferred_stack_boundary field.
6085 * integrate.c (expand_inline_function): Update
6086 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
6087 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
6088 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
6090 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
6092 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
6093 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
6094 cpp_pedwarn, cpp_pedwarn_with_line,
6095 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
6096 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
6097 v_cpp_error_with_line, v_cpp_warning_with_line,
6098 cpp_message_from_errno, cpp_perror_with_name): Delete.
6100 * cpperror.c (cpp_print_containing_files): Take starting
6102 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
6103 (v_cpp_message): Now called directly by all entry points.
6105 (cpp_pfatal_with_name, cpp_message): Delete.
6106 (cpp_notice_from_errno, cpp_ice): New functions.
6107 (cpp_notice): Is now for reporting error conditions, just
6108 without an associated file.
6109 (cpp_error, cpp_error_with_line): Don't do anything if
6110 opts->inhibit_errors is on.
6111 (cpp_pedwarn_with_file_and_line): Take column argument also.
6113 * cpplib.h: Update prototypes of exported functions.
6114 (struct cpp_options): Add inhibit_errors.
6116 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
6117 non-error messages. Include intl.h.
6119 * cppinit.c, cppmain.c: Likewise. Also, use
6120 cpp_notice_from_errno instead of cpp_perror_with_name or
6121 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
6123 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
6124 report internal errors.
6126 * cpplib.c (do_define): Switch bcopy to memcpy.
6127 Give cpp_pedwarn_with_file_and_line a dummy column argument.
6129 * cpplib.c (copy_rest_of_line): Revert previous change: don't
6130 bail out early if we hit a line comment.
6132 2000-02-06 Richard Henderson <rth@cygnus.com>
6134 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
6135 * basic-block.h: Declare them.
6136 * emit-rtl.h (active_insn_p): New.
6137 (next_active_insn, prev_active_insn): Use it.
6138 * rtl.h: Declare it.
6139 * function.c (emit_return_into_block): New.
6140 (thread_prologue_and_epilogue_insns): Insert return insns instead
6141 of epilogues when possible.
6142 * jump.c (jump_optimize_1): Remove code to insert a return insn
6143 on the fallthru to the exit block.
6145 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
6146 and for non-empty stack frames.
6147 * i386.md (return): Expand to return-pop as needed.
6149 2000-02-06 Richard Henderson <rth@cygnus.com>
6151 * simplify-rtx.c (simplify_relational_operation): Canonicalize
6152 constant to op1 for testing.
6154 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6156 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
6157 (fixuns_truncqfqi2): Use it.
6159 2000-02-06 Richard Henderson <rth@cygnus.com>
6161 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
6164 * i386.md (widening and peepholes): Mask the constant instead of
6167 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
6169 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
6170 input pointer before possibly branching off to the backslash
6172 * cpphash.c (macroexpand): Correctly delete \r escapes when
6173 stringifying parameters.
6174 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
6175 if we can; bail out early if we hit a line comment.
6176 (handle_directive): Treat '# 123' in an .S file just like
6177 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
6178 Return 1 for '# not_a_directive'.
6179 (get_directive_token): Pop macro buffers here, so that
6180 cpp_get_token can't sneakily move past a newline.
6182 (cpp_get_token): goto randomchar if handle_directive returns 0.
6184 * cppalloc.c: Update copyright.
6185 * cpplib.c: Merge all the static function prototypes into one
6187 * cpplib.h: Remove #if 0 block.
6189 * cpperror.c: Remove #ifdef EMACS block.
6190 * cppmain.c: Likewise.
6191 * cpphash.c: Remove #if 0 blocks.
6192 * cppinit.c: Remove #if 0 blocks, and the -lint option.
6193 * cpplib.c: Remove #if 0 blocks and code referencing
6194 pcp_inside_if or for_lint. Remove duplicate error message.
6195 Fix error messages for #else after #else or #elif. Reformat.
6196 Remove archaic TODO list.
6197 * cpplib.h: Remove pcp_inside_if and for_lint flags.
6199 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
6201 * i386/osf1elf.h: Add missing backslash to multiline string.
6203 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6205 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
6207 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6209 * Makefile.in (c-common.o): Depend on $(EXPR_H).
6211 * c-common.c: Include expr.h.
6213 * c-pragma.c (mark_align_stack): Add prototype.
6215 * caller-save.c (add_stored_regs): Likewise.
6217 * combine.c (record_promoted_value): Likewise.
6219 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
6222 * cppinit.c (new_pending_define): Likewise.
6224 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
6226 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
6227 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
6228 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
6229 class_scope_p): Likewise.
6231 * dwarf2out.h (dwarf2out_set_demangle_name_func,
6232 dwarf2out_add_library_unit_info): Likewise.
6234 * ggc.h (ggc_page_print_statistics): Likewise.
6236 * haifa-sched.c (propagate_deps): Likewise.
6238 * reg-stack.c (next_flags_user, record_label_references): Likewise.
6240 * rtl.h (set_stack_check_libfunc): Likewise.
6242 * toplev.h (set_fatal_function): Likewise.
6244 * toplev.c (set_fatal_function): Delete prototype.
6246 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
6248 2000-02-05 Geoff Keating <geoffk@cygnus.com>
6250 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
6251 (FUNC_END): Likewise.
6253 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6255 * caller-save.c: Include tm_p.h.
6257 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6259 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
6261 2000-02-04 Neil Booth <NeilB@earthling.net>
6263 * cccp.c (main): Check 'dir' for a NULL pointer before passing
6266 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
6268 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
6269 * genflags.c: Use the max_operand_1 logic from genemit.c to
6270 calculate how many arguments gen_insn prototypes have. Remove
6271 NO_MD_PROTOTYPES ifdefs from the generated file.
6272 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
6273 file. Cast gen_insn initializers to insn_gen_fn.
6274 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
6275 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
6277 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6279 * fixinc/Makefile.in (HDR): Add machname.h.
6282 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6284 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
6285 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
6286 (c4x_cpu_version): Ditto.
6287 * config/c4x/c4x-protos.h: ... here.
6289 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
6291 * dwarf2out.c (add_abstract_origin_attribute): Don't call
6292 gen_abstract_function on our context if we're a nested function.
6294 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6296 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
6297 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
6299 2000-02-04 Bruce Korb <bkorb@gnu.org>
6301 * fixinc/genfixes(machname.h):
6302 Move the functionality from gen-machine.h into this file.
6303 UNdef MN_NAME_PAT if there are no names to change.
6304 Also, be a little kinder when AutoGen is not present.
6306 * fixinc/Makefile.in(machname.h):
6307 Change the generation rule to use genfixes.
6309 * fixinc/fixfixes.c(machine_name):
6310 machine_name_fix's functionality now dependent upon whether
6311 MN_NAME_PAT is defined.
6313 * fixinc/fixtests.c(machine_name):
6316 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
6319 * fixinc/fixlib.h(mn_get_regexps):
6322 * fixinc/gen-machine.h: DELETED
6324 2000-02-04 Jan Hubicka <jh@suse.cz>
6325 Richard Henderson <rth@cygnus.com>
6327 * i386.c (SAVE_REGS_FIRST): Remove.
6328 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
6329 (ix86_compute_frame_size): Likewise.
6330 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
6331 (ix86_emit_restore_regs): Remove.
6332 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
6333 when a frame pointer is in use.
6334 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
6335 instead of pop to restore a register when profitable; emit leave
6337 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
6339 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
6340 * i386.md (prologue_allocate_stack): Remove.
6341 (epilogue_deallocate_stack): Remove.
6342 (pro_epilogue_adjust_stack): New.
6344 2000-02-04 Richard Henderson <rth@cygnus.com>
6346 * function.c (diddle_return_value): Rework to use a callback function.
6347 Use current_function_return_rtx if it's been set up.
6348 (do_clobber_return_reg, clobber_return_register): New.
6349 (do_use_return_reg, use_return_register): New.
6350 (expand_function_end): Use them.
6351 * stmt.c (expand_null_return): Likewise.
6352 * function.h: Declare them.
6353 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
6354 (mark_reg): Change arguments as appropriate for callback.
6355 * integrate.c (expand_inline_function): Revert 19 Jan change.
6357 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
6359 * tm.texi (Values in Registers): Fix typo: "fo" "for".
6360 (Misc): Say the scheduler, not the Haifa scheduler.
6362 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
6364 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
6365 when in_mem is set. Update all callers.
6367 2000-02-04 Richard Henderson <rth@cygnus.com>
6369 * i386/openbsd.h (INT_ASM_OP): Define.
6371 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
6373 * tm.texi: Fix various typos.
6375 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
6377 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
6378 (MD_STARTFILE_PREFIX_1): New macro.
6380 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
6382 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
6383 destination when needed.
6384 (strmovsi, strsetsi): New expander.
6385 (strmovsi_1, strsetsi_1): New pattern.
6386 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
6387 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
6388 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
6389 * invoke.texi (align-stringops, inline-all-stringops): Document.
6391 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
6393 * i386/netbsd.h (INT_ASM_OP): Define.
6395 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
6397 * cpplib.h (cpp_reader): Add new flag, no_directives.
6398 * cpphash.c (macarg): Set it.
6399 * cpplib.c (handle_directive): If no_directives is on and we
6400 find a directive, issue an error and discard the line.
6402 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
6404 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
6405 FP constants. Add ! TARGET_FPU check for FP constants.
6407 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
6409 * flow.c (find_basic_blocks): Don't kill label_value_list
6411 (cleanup_cfg): Kill it here.
6413 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6415 * expr.c (store_field): Ensure ALIGN is no stricter than the
6418 2000-02-02 Richard Henderson <rth@cygnus.com>
6420 * jump.c (delete_insn): Partially revert 19 Jan change;
6421 don't convert unused code labels to notes at -O0.
6423 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6425 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
6426 split_all_insns to recreate REG_LABEL notes for flow2 pass.
6428 2000-02-01 Richard Henderson <rth@cygnus.com>
6430 * i386.c (general_no_elim_operand): New.
6431 (nonmemory_no_elim_operand): New.
6432 (ix86_expand_move): Copy eliminable operands before a push.
6433 * i386-protos.h: Declare new functions.
6434 * i386.h (CAN_ELIMINATE): Simplify.
6435 (PREDICATE_CODES): Update.
6436 * i386.md (push insns): Don't allow eliminable register operands.
6438 2000-02-01 Richard Henderson <rth@cygnus.com>
6440 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
6441 replace BLKmode with DECL_RTL's mode.
6443 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
6445 * frame.c (find_fde): Convert for loop to do-while so compiler
6446 sees it's always executed at least once.
6447 * libgcc2.c (BBINBUFSIZE): Kill.
6448 (__bb_init_prg): Use fgets.
6449 (__bb_exit_trace_func): Don't paste strings.
6450 * unroll.c (unroll_loop): Initialize unroll_type, not
6451 unroll_number, and tweak logic to match.
6453 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
6455 (ix86_flags_dependant): Likewise. Disentangle control flow.
6456 (ix86_sched_reorder): Break guts out to
6457 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
6458 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
6461 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
6462 use string concatenation. Don't save and restore esi.
6464 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
6465 (machname.h): Remove script to separate file. Use two-step
6466 sequence so target is not created if script fails.
6467 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
6468 identifiers are defined.
6469 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
6470 an empty string, machine_name doesn't need to do anything at
6472 (is_cxx_header): Add more cases to regexp.
6473 * fixinc/fixlib.h: Update prototype.
6474 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
6476 * fixinc/fixincl.c: Define NO_BOGOSITY.
6478 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
6479 (hp_sysfile): Add missing comma.
6480 (math_exception): Put the wrapper ifdefs at the beginning and
6481 the end of the file.
6482 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
6484 2000-02-01 Richard Henderson <rth@cygnus.com>
6486 * sparc.c (fp_zero_operand): Turn into a normal predicate.
6487 Use CONST0_RTX. Update all callers.
6488 * sparc.h, sparc-protos.h: Update accordingly.
6489 * sparc.md (fp mov insns): Use fp_zero_operand directly
6492 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
6494 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
6497 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6499 * Makefile.in (specs.ready): New target.
6500 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
6502 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6504 * fixinc.irix: Use unique filenames for writing into /tmp,
6505 * fixinc.ptx: Likewise.
6506 * fixinc.sco: Likewise.
6507 * fixinc.svr4: Likewise.
6508 * fixinc.winnt: Likewise.
6510 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6512 * tsystem.h: New file.
6514 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
6515 s-crtS): Depend on tsystem.h.
6517 * crtstuff.c: Include tsystem.h.
6518 * frame.c: Likewise.
6519 * libgcc2.c: Likewise.
6521 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
6523 * builtins.c (expand_builtin_memset): Expand for variable sized
6526 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
6528 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
6531 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
6533 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
6535 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
6537 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
6539 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
6540 case 3->2 combining (combining with splitting) in which 2 is CC0
6541 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
6542 checked at the begining of the function with the aid of calling
6543 function 'can_combine_p'.
6545 2000-01-31 Dave Brolley <brolley@redhat.com>
6547 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
6549 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
6551 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
6554 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6556 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
6558 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
6561 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
6563 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
6564 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
6565 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
6566 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
6567 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
6568 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
6569 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
6570 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
6571 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
6572 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
6574 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
6575 Add %(cpp_cpu) to CPP_SPEC.
6577 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
6578 Add %(cc1_cpu) to CC1_SPEC.
6580 2000-01-28 Ulrich Drepper <drepper@redhat.com>
6582 * c-decl.c (c_decode_option): Accept optional numeric argument to
6583 -Wformat and set warn_format.
6584 * c-common.c: Don't emit warning about non-constant printf format
6585 string unless warn_format > 1.
6587 2000-01-30 Richard Henderson <rth@cygnus.com>
6589 * alpha.md (return_internal): Allow after reload only.
6591 2000-01-30 Richard Henderson <rth@cygnus.com>
6593 * i386.c (ix86_compute_frame_size): Omit padding1 if the
6594 local frame size is zero.
6596 2000-01-30 Richard Henderson <rth@cygnus.com>
6598 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
6599 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
6600 * alpha.md (return): Turn into an expander.
6601 (return_internal): Don't use $26.
6602 (epilogue): Emit the return insn.
6604 2000-01-30 Richard Henderson <rth@cygnus.com>
6606 * alpha.md (negtf2, abstf2): Fix word order thinko.
6608 (trunctfsf2): Avoid intermediate rounding errors.
6610 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
6612 * cppfiles.c (find_position): Drop 'colp' argument, return the
6614 (read_and_prescan): Adjust to match. Don't ever manipulate
6615 line or line_base except via find_position.
6617 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
6619 * c-parse.in: Apply Ulrich's changes from c-parse.y.
6620 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
6623 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
6625 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
6626 just print "<command line>". If 'filename' is null or an
6627 empty string, print "<stdin>" for the filename.
6628 * cpplib.c (do_define): Don't print the 'location of the
6629 previous definition' message if we're still parsing the
6631 (cpp_pedwarn_with_file_and_line): Always call
6632 cpp_file_line_for_message.
6634 2000-01-29 Mark Mitchell <mark@codesourcery.com>
6636 * flow.c (mark_regs_live_at_end): Fix typo.
6638 2000-01-28 Ulrich Drepper <drepper@redhat.com>
6640 * c-common.c: Adjust variable names, comments, help strings to c99.
6641 * c-lex.c: Likewise.
6642 * c-parse.y: Likewise.
6643 * c-tree.h: Likewise.
6645 * cpplib.h: Likewise.
6646 * c-decl.c: Likewise. Recognize options with names "*99" as well.
6647 * cppinit.c: Likewise.
6649 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6651 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
6652 * c4x.c: Define the optab rtx values.
6653 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
6654 (c4x_emit_libcall): Use new optab rtx values.
6655 (c4x_emit_libcall3): Likewise.
6656 (c4x_emit_libcall_mulhi): Likewise.
6657 * c4x-protos.h: Add prototypes for optab rtx values and change
6658 prototypes for above c4x_emit_libcall functions.
6660 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6662 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
6664 (c4x_function_prologue): Use regnames intead of float_reg_names when
6666 (c4x_function_epilogue): Likewise.
6667 (c4x_print_operand): Likewise.
6668 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
6669 * c4x.md (set_high): Disable for TARGET_TI.
6671 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6673 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
6674 of framepointer + constant to ADDR_REGS class.
6675 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
6676 * c4x.c (std_or_reg_operand): New function.
6677 * c4x-protos.h (std_or_reg_operand): Prototype it.
6679 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6681 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
6682 object names as libgcc2.c.
6683 * libgcc.S: Use newly defined names.
6685 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
6686 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
6688 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
6689 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
6690 (FLOW_LOOP_LAST_BLOCK): Likewise.
6692 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6694 * basic-block.h (struct loop): New fields 'first' and 'last'.
6695 * flow.c (flow_loops_find): Compute loop->first and loop->last.
6696 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
6697 and loop->last to check for NOTE_INSN_LOOP_END.
6699 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
6701 * predict.c (estimate_probability): Use the new FIRST and LAST fields
6702 of the loop descriptor rather than HEADER and LATCH. Also added
6703 missing break statements as well making some coding style modifications
6704 as suggested by Michael Hayes.
6706 2000-01-28 Richard Henderson <rth@cygnus.com>
6708 * flow.c (find_basic_blocks): Remove do_cleanup argument.
6709 Break out that code ...
6710 (cleanup_cfg): ... here.
6711 (commit_one_edge_insertion): Detect a return instruction being
6712 emitted to an edge. Emit a barrier following; clear fallthru.
6713 (commit_edge_insertions): Verify CFG consistency.
6714 * function.c (expand_function_start): Kill unused variable.
6715 (expand_function_end): Likewise.
6716 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
6717 to insert the epilogue.
6719 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
6720 (delete_null_pointer_checks): Likewise.
6721 * output.h: Likewise.
6722 * reg-stack.c (reg_to_stack): Likewise.
6723 * toplev.c (rest_of_compilation): Likewise. Run
6724 thread_prologue_and_epilogue_insns after rebuilding the CFG.
6726 2000-01-28 Richard Henderson <rth@cygnus.com>
6728 * Makefile.in (flow.o): Revert 24 Jan change.
6729 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
6730 FUNCTION_VALUE result to DECL_RESULT's mode.
6732 * haifa-sched.c (schedule_insns): Don't recompute reg info
6735 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
6737 * configure.in: Make --enable-cpplib the default.
6738 * configure: Regenerate.
6739 * gcc.dg/990119-1.c: No longer expected to fail.
6741 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
6743 * jump.c (jump_optimize_1): Delete an optimization that is also done
6744 by merge_blocks in flow.
6746 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6748 * diagnostic.c (build_message_string, output_printf,
6749 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
6750 (build_location_prefix): Fix non-literal format string.
6752 2000-01-27 Richard Henderson <rth@cygnus.com>
6754 * alpha.md (trunctfsf2): New.
6756 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
6758 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
6760 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
6762 * cppinit.c (cpp_handle_option): Recognize C++ comments under
6764 * cpplib.c (skip_block_comment, skip_line_comment): Split code
6766 (skip_comment) ... here. Permit C++ comments in system
6767 headers always. Warn about C++ comments in user code under
6768 -std=gnu89 -pedantic.
6769 (copy_comment): Use skip_comment.
6770 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
6772 (consider_directive_while_skipping, do_else, do_endif): Call
6773 validate_else unconditionally.
6774 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
6775 text after the conditional in a system header.
6776 * cpplib.h (struct cpp_buffer): Add flag
6777 warned_cplusplus_comments.
6779 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
6781 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
6782 Use unshare_all_rtl_1.
6783 (unshare_all_rtl_again): New function.
6784 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
6786 * function.c (purge_addressof_1): Use unshare_all_rtl_again
6787 rather than resetting the 'used' flags ourself.
6789 * toplev.c (rest_of_compilation): Add current_function_decl
6790 to the unshare_all_rtl call.
6791 * tree.h: Prototype unshare_all_rtl.
6792 * rtl.h: Prototype unshare_all_rtl_again here.
6794 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
6796 * genoutput.c (output_prologue): Include ggc.h in generated
6798 * Makefile.in (insn-output.o): Depends on ggc.h.
6800 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
6801 Hans-Peter Nilsson <hp@bitrange.com>
6803 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
6804 Remove redundant include of xm-ns32k.h.
6805 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
6806 Remove redundant include of xm-ns32k.h.
6807 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
6808 Remove redundant include of xm-ns32k.h.
6809 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
6811 * ns32k/ns32k.h: Update comment on multiply-add instructions.
6812 (TARGET_SWITCHES): Add documentation strings.
6813 (DWARF_FRAME_REGNUM): Override default definition.
6814 (REG_CLASS_CONTENTS): Add comments.
6815 (SUBSET_P): Format to reduce line length.
6816 (SMALL_REGISTER_CLASSES): Make a run time option.
6817 (GO_IF_NONINDEXED_ADDRESS): Reformat.
6818 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
6819 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
6820 (regclass_map): fix typo in comment.
6821 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
6822 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
6823 (trace, reg_or_mem_operand): Delete, unused function.
6824 (calc_address_cost): Small offsets are cheaper than large ones.
6825 (expand_block_move): Generate more efficient code when bytes is a
6826 known at compile time.
6827 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
6828 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
6829 instead of reg_or_mem_operand.
6831 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
6832 not general_operand. Similarly use "=rm" or stricter, not "=g".
6833 For input operands, use stricter constraints than "g" if not
6834 general_operand. Similarly use stricter predicate than
6835 "general_operand" when stricter constraints than "g" are present,
6836 except for matching constraints.
6837 (movstrsi): Use "memory_operand" for operands 0 and 1.
6838 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
6839 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
6840 not reg_or_mem_operand.
6841 (udivmoddisi4): Ditto.
6842 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
6843 Use nonimmediate_operand for operand 3, not register_operand.
6844 (udivmoddiqi4_internal): Use register_operand for operand 1, not
6847 2000-01-27 Fred Fish <fnf@be.com>
6849 * gthr-posix.h: Fix typo; compatibily -> compatibility.
6850 * gthr-single.h: Likewise.
6851 * gthr-solaris.h: Likewise.
6852 * gthr-vxworks.h: Likewise.
6853 * gthr-win32.h: Likewise.
6856 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
6858 * cppinit.c: Add " (cpplib)" to end of string printed by
6861 2000-01-27 Richard Henderson <rth@cygnus.com>
6863 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
6864 testing for a signed comparison.
6865 (alpha_emit_floatuns): New.
6866 * alpha-protos.h: Declare it.
6867 * alpha.md (floatunsdisf2, floatunsdidf2): New.
6868 (extendsfdf2): Tidy.
6870 2000-01-27 Jakub Jelinek <jakub@redhat.com>
6872 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
6873 no -g option specifying debugging format, default to -gstabs+.
6875 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6877 * calls.c (special_function_p): New argument fork_or_exec.
6878 (expand_call): When profile_arc_flag is set and the function
6879 is in the fork_or_exec group, call __bb_fork_func first.
6880 * libgcc2.c, _bb module (__bb_fork_func): New function.
6881 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
6883 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
6884 * tree.h (special_function_p): Update prototype.
6886 2000-01-26 Richard Henderson <rth@cygnus.com>
6888 * alpha.c (alpha_split_tfmode_pair): New.
6889 * alpha-protos.h: Declare it.
6890 * alpha.md (abstf2, negtf2): New.
6891 (movtf insn): Add input G constraint.
6892 (movtf splitter): Use alpha_split_tfmode_pair.
6894 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6896 * i386/cygwin.h: PROTO -> PARAMS.
6898 2000-01-26 Jakub Jelinek <jakub@redhat.com>
6900 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
6901 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
6902 using _Qp_cmp/_Q_cmp and testing the return value.
6903 (print_operand): Call reverse_condition_maybe_unordered if
6904 we are handling CCFPmode or CCFPEmode.
6905 Handle ORDERED, UN* and LTGT comparisons.
6906 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
6907 if not TARGET_HARD_QUAD.
6908 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
6909 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
6910 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
6911 Adjust gen_b* calls so that they reflect return comparison of
6912 sparc_emit_float_lib_cmp.
6914 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6916 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
6917 incoming operands array is large enough for one more operand.
6918 (alpha_emit_xfloating_arith): Likewise.
6920 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
6922 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
6923 file with one line and no trailing newline.
6924 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
6925 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
6926 checking if the match is on the line.
6927 * fixinc/gnu-regex.c: Provide regerror not __regerror.
6929 2000-01-25 Richard Henderson <rth@cygnus.com>
6931 * sparc.c (output_cbranch): Fix accidental squashing of the
6932 fp branch pre-delay nop.
6934 2000-01-25 Richard Henderson <rth@cygnus.com>
6936 * tree.def (UNNE_EXPR): Remove.
6937 * c-typeck.c (build_binary_op): Don't handle it.
6938 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
6940 * rtl.def (UNNE): Remove.
6942 * jump.c (reverse_condition): Update accordingly.
6943 (swap_condition): Likewise.
6944 (comparison_dominates_p): Handle unordered comparisons.
6945 (reverse_condition_maybe_unordered): New.
6946 * rtl.h (reverse_condition_maybe_unordered): Declare.
6948 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
6949 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
6950 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
6951 * sparc.md (bltgt): New.
6953 2000-01-25 Nick Clifton <nickc@redhat.com>
6955 * emit-rtl.c (emit_insn): Only check machine class insns for
6956 improper emission of a RETURN.
6958 2000-01-25 Richard Henderson <rth@cygnus.com>
6960 * Makefile.in (flow.o): Depend on $(EXPR_H).
6961 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
6962 duplicate the structure of diddle_return_value for keeping regs live.
6964 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6966 * loop.c (current_loop_info): Delete.
6967 (consec_sets_invariant_p): Add loop argument, update callers.
6968 (get_condition_for_loop): Likewise.
6969 (count_nonfixed_reads, update_giv_derive): Likewise.
6970 (simplify_giv_expr, general_induction_var): Likewise.
6971 (consec_sets_giv, recombine_givs): Likewise.
6972 (move_movables): Delete loop_start and loop_end arguments,
6973 add loop argument, and update callers.
6974 (find_mem_givs, check_final_value): Likewise.
6975 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
6976 (loop_invariant_p): Rename from invariant_p, add loop argument, and
6978 (basic_induction_var): Add loop argument, delete loop_level argument,
6980 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
6981 add loop argument, and update callers.
6982 (find_splittable_regs, find_splittable_givs): Likewise.
6983 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
6984 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
6985 (biv_total_increment): Delete loop_start and loop_end arguments;
6987 (precondition_loop_p): Delete loop_start and loop_info arguments;
6989 * loop.h (get_condition_for_loop): Add loop argument.
6990 (biv_total_increment): Delete loop_start and loop_end arguments.
6991 (precondition_loop_p): Delete loop_start and loop_info arguments;
6993 (final_biv_value): Delete loop_start and loop_end arguments;
6995 (final_giv_value, back_branch_in_range_p): Likewise.
6997 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
6999 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
7001 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
7003 * Makefile.in (c-gperf.h) : Change the "See" pointer to
7004 point to the new "generated_files" doc.
7006 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
7008 * config/fp-bit.c (_unord_f2): Fix typo.
7010 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7012 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
7013 c-typeck.c, objc/objc-act.c: Remove all references to obstack
7014 functions obsoleted by GC, such as push_obstacks_nochange,
7015 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
7016 and code which existed only to decide whether or not to call
7017 them. Remove now-unused NESTED argument from start_function;
7018 all callers changed. Do not change behavior based on ggc_p.
7019 The use of the ixp_obstack in c-iterate.c and the util_obstack
7020 in objc/objc-act.c remain; these are not obsoleted by garbage
7022 * c-tree.h: Update prototype for start_function.
7024 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
7026 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
7028 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
7031 2000-01-25 Richard Henderson <rth@cygnus.com>
7033 * sparc-protos.h (select_cc_mode): Declare.
7034 * sparc.c (select_cc_mode): New. Handle unordered compares.
7035 (output_cbranch): Always reverse via code change. Handle
7036 unordered compares. Factor tests and string updates.
7037 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
7038 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
7039 * sparc.md (bunordered, bordered): New.
7040 (bungt, bunlt, buneq, bunge, bunle): New.
7042 2000-01-25 Richard Henderson <rth@cygnus.com>
7044 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
7045 * ggc-common.c (ggc_add_rtx_varray_root): New.
7046 (ggc_mark_rtx_varray): New.
7047 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
7048 functions down below ggc_mark_foo.
7049 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
7051 2000-01-25 Richard Henderson <rth@cygnus.com>
7053 * alpha.c (secondary_reload_class): Don't allocate a secondary
7054 for integral mode memories into FLOAT_REGS. Rearrange the more
7055 complicated memory expression inward.
7057 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
7059 * inclhack.def: Fixes to play nicer with FreeBSD, and
7060 corrections to comments.
7061 (cxx_unready): Add select expression.
7062 (irix_sockaddr): Add bypass expression.
7063 (machine_ansi_h_va_list): New fix.
7064 (stdio_va_list): No need to edit _BSD_VA_LIST_.
7065 Split out addition of "#include <stdarg.h>" to...
7066 (stdio_stdarg_h): ... here.
7067 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
7068 to stdlib.h also. Do not munge _BSD_SIZE_T_.
7069 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
7071 (ultrix_ifdef): Tighten up select expression.
7073 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
7074 re_ct and max_mach to avoid use of shell. Make printed names
7075 match names in inclhack.def. Use static copyright date.
7076 Don't count c_test and test expressions as requiring regex_t
7077 slots. Add some commentary.
7078 * inclhack.tpl: Do not include the 'This script contains N
7079 fixup scripts' line if PROGRAM is defined. Use static
7082 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
7084 * dwarf2out.c: include "varray.h", not dyn-string.h.
7085 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
7086 (addr_const_to_string, addr_to_string): Lose.
7087 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
7088 (struct dw_val_struct): val_addr is now an rtx.
7089 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
7090 (used_rtx_varray): New varray.
7091 (dwarf2out_init): Initialize it.
7093 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
7095 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
7096 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
7097 * Makefile.in (dwarf2out.o): Update dependencies.
7099 2000-01-24 Richard Henderson <rth@cygnus.com>
7101 * i386.c (i386_dwarf_output_addr_const): New.
7102 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
7104 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
7106 * dwarfout.c (output_mem_loc_descriptor): Likewise.
7107 * i386.c (i386_simplify_dwarf_addr): New.
7108 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
7110 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
7112 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
7113 TYPE_STUB_DECL is NULL.
7115 2000-01-24 Richard Henderson <rth@cygnus.com>
7117 * builtins.c (expand_tree_builtin): Move ...
7118 * c-common.c (expand_tree_builtin): ... here.
7120 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7122 * loop.h (LOOP_INFO): New accessor macro.
7123 * basic-block.h (struct loop): Rename field `info' to `aux'.
7124 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
7125 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
7126 * unroll.c (loop_iterations, unroll_loop): Likewise.
7128 2000-01-24 Christopher Faylor <cgf@cygnus.com>
7130 * config/i386/t-cygwin: Accomodate new winsup directory layout
7131 when searching for include files.
7133 2000-01-24 Richard Henderson <rth@cygnus.com>
7135 * rtl.def: Add unordered fp comparisions.
7136 * tree.def: Likewise.
7137 * tree.h: Add ISO C 9x unordered fp comparision builtins.
7139 * builtins.c (expand_tree_builtin): New function.
7140 * c-typeck.c (build_function_call): Use it.
7141 (build_binary_op): Support unordered compares.
7142 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
7144 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
7145 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
7146 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
7147 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
7148 * jump.c (reverse_condition): Don't abort for UNLE etc, but
7150 (swap_condition): Handle unordered compares.
7151 (thread_jumps): Check can_reverse before reversing.
7152 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
7155 * optabs.c (can_compare_p): New argument CODE. Verify branch or
7156 setcc is present before acking for cmp_optab. Update all callers.
7157 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
7158 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
7159 * expr.c (expand_expr): Likewise. Support unordered compares.
7160 (do_jump, do_store_flag): Likewise.
7161 * expr.h (enum libfunc_index): Add unordered compares.
7163 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
7164 (DPBIT_FUNCS): Add _unord_df.
7165 * config/fp-bit.c (_unord_f2): New.
7166 * fp-test.c (main): Try unordered compare builtins.
7168 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
7169 * alpha.c (alpha_comparison_operator): Check mode properly.
7170 (alpha_swapped_comparison_operator): Likewise.
7171 (signed_comparison_operator): Likewise.
7172 (alpha_fp_comparison_operator): New.
7173 (alpha_emit_conditional_branch): Handle unordered compares.
7174 * alpha.h (PREDICATE_CODES): Update.
7175 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
7176 (bunordered, bordered): New.
7178 2000-01-24 Richard Henderson <rth@cygnus.com>
7180 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
7181 * alpha.md (movtf): New expander, insn, and splitter.
7183 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
7185 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
7188 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
7190 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
7191 (FIXED_REGISTERS, CALL_USED_REGISTERS,
7192 REG_ALLOC_ORDER): Add frame pointer
7193 (FRAME_POINTER_REGNUM): Set to 20
7194 (HARD_FRAME_POINTER_REGNUM): New macro.
7195 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
7196 to HARD_FRAME_POINTER.
7197 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
7198 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
7199 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
7200 (HI_REGISTER_NAMES): Add "frame".
7201 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
7202 (debug_reg): Handle FRAME_POINTER_REGNUM.
7203 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
7204 GENERAL_REGS and INDEX_REGS.
7205 * i386.c (SAVED_REGS_FIRST): new macro.
7206 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
7207 (ix86_decompose_address, memory_address_length): Likewise.
7208 (regclass_map): Add frame pointer.
7209 (call_insn_operand): Handle frame_pointer_rtx.
7210 (reg_no_sp_operand): Likewise.
7211 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
7212 (print_operand, legitimize_pic_address): Fix formating.
7213 (ix86_compute_frame_size): Make static, update prototype, new
7214 parameters padding1, padding2, use ix86_nsaved_regs, use
7215 stack_alignment_needed.
7216 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
7217 to HARD_FRAME_POINTER_REGNUM conversions.
7218 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
7219 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
7220 (print_reg): Abort on FRAME_POINTER_REGNUM
7222 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
7224 * i386.h (PREDICATE_CODES): Add aligned_operand.
7225 * i386.c (aligned_operand): New function.
7226 (ix86_aligned_p): Kill.
7227 * i386.md (movhi_1): Emit mov for aligned operands.
7228 (promoting peep2s): Use aligned_operand.
7230 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
7232 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
7233 expression to allow underscores in macro names.
7234 (fix_char_macro_defines): Increment scanning pointer.
7236 2000-01-23 Richard Henderson <rth@cygnus.com>
7238 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
7239 * alpha/osf5.h: New file.
7240 * configure.in (alpha-*-osf5): Add it to tm_file.
7242 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
7244 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
7245 (alpha_emit_xfloating_cvt, function_arg): Declare.
7246 * alpha.c (alpha_emit_conditional_branch): Call
7247 alpha_emit_xfloating_compare for TFmode compares.
7248 (alpha_lookup_xfloating_lib_func): New.
7249 (alpha_compute_xfloating_mode_arg): New.
7250 (alpha_emit_xfloating_libcall): New.
7251 (alpha_emit_xfloating_arith): New.
7252 (alpha_emit_xfloating_compare): New.
7253 (alpha_emit_xfloating_cvt): New.
7254 (print_operand): Add default abort case.
7255 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
7256 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
7257 (BIGGEST_ALIGNMENT): Increase to 128 bits.
7258 (RETURN_IN_MEMORY): True for TF/TCmode.
7259 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
7260 (FUNCTION_ARG): Move to function_arg.
7261 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
7262 (ASM_OUTPUT_LONG_DOUBLE): New.
7263 (ASM_OUTPUT_DOUBLE): Always output bits.
7264 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
7265 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
7266 (extenddftf2, trunctfdf2): New.
7268 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7270 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
7271 * config/sparc/sol2.h: ... here.
7273 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7275 * basic-block.h (struct loops): New field `levels'.
7276 * flow.c (flow_loops_level_compute): Traverse all outer loops.
7277 (flow_loop_level_compute): Initialise level to 1.
7278 (flow_loops_find): Set loops->levels.
7279 (flow_loops_dump): Print loops->levels.
7281 2000-01-23 Richard Henderson <rth@cygnus.com>
7283 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
7284 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
7286 2000-01-23 Richard Henderson <rth@cygnus.com>
7288 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
7289 * i386.h (DBX_REGISTER_NUMBER): Use them.
7290 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
7291 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
7292 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
7293 * i386/sequent.h: Kill incorrect comment.
7295 2000-01-23 Mark Mitchell <mark@codesourcery.com>
7297 * ggc-page.c (struct page_entry): Make `context_depth' an
7299 (struct globals): Likewise.
7301 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
7303 * loop.c (check_dbra_loop): When checking a loop for
7304 reversability, check the source of any stores to ensure
7305 they don't depend on an initial value.
7307 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7309 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
7311 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
7313 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
7314 'pz_scan' into scope of entire function. Only affects
7315 compiles with -DDEBUG.
7317 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
7319 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
7320 section naming to that prior to 2000-01-07 patch.
7321 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
7322 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
7323 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
7324 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
7325 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
7327 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
7329 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
7332 2000-01-21 Jim Wilson <wilson@cygnus.com>
7334 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
7335 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
7337 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
7339 * cpphash.c (change_newlines): Delete function.
7340 (struct argdata): Delete 'newlines' and 'use_count' fields.
7341 (macroexpand): Remove code referencing those fields.
7343 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7345 * loop.c (loops_info): New variable.
7346 (loop_optimize): Allocate loops->array and free it on exit.
7347 Allocate memory for loops_info and assign to each loop,
7349 (find_and_verify_loops): Do not allocate loops->array.
7351 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
7353 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
7355 2000-01-21 Jakub Jelinek <jakub@redhat.com>
7357 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
7358 pseudos if expanded after first flow.
7359 (movdi_pic_label_ref): Likewise.
7361 2000-01-20 Richard Henderson <rth@cygnus.com>
7363 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
7365 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
7367 * Makefile.in (fixinc.sh): Depend on specs.
7368 * fixinc/Makefile.in: Add rule to create machname.h.
7369 (fixlib.o): Depend on machname.h.
7370 * fixinc/fixtests.c (machine_name): New test.
7371 * fixinc/fixfixes.c (machine_name): New fix.
7372 * fixinc/fixlib.c (mn_get_regexps): New helper function for
7373 the machine_name test and fix.
7374 * fixinc/fixlib.h: Prototype it.
7375 * fixinc/inclhack.def (machine_name): Use the C test and fix.
7376 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
7378 * gcc.c (do_spec_1) [case P]: Take care not to create
7379 identifiers with three leading or trailing underscores.
7381 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
7382 (fixincl): Don't specify libraries twice on link line.
7383 (gnu-regex.o): Remove special rule.
7384 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
7385 defined by config.h. Do not define _REGEX_RE_COMP.
7386 (regcomp): Allocate and initialize a fastmap.
7387 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
7389 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
7391 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
7393 2000-01-19 Richard Henderson <rth@cygnus.com>
7395 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
7396 arguments with BB. Update all callers. Tidy line wrapping.
7398 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
7400 * emit-rtl.c (try_split): Return last_insn if we split the
7403 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
7405 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
7406 (ix86_initial_elimination_offset): Declare.
7407 * i386.c (ix86_nsaved_regs): Break out from ...
7408 (ix86_can_use_return_insn_p): ... here.
7409 (ix86_emit_save_regs): Break out from ...
7410 (ix86_expand_prologue): ... here.
7411 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
7413 (ix86_expand_epilogue): ... here.
7414 (ix86_compute_frame_size): Make static, add prototype.
7415 (ix86_initial_elimination_offset): Break out from ...
7416 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
7418 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7420 * recog.h (OUT_FCN): Delete.
7422 * vax.md: Call `get_insn_template' instead of OUT_FCN.
7424 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7426 * cppalloc.c: PROTO -> PARAMS.
7427 * cpperror.c: Likewise.
7428 * cppfiles.c: Likewise.
7429 * cpplib.c: Likewise.
7430 * cpplib.h: Likewise.
7432 * config/arm/arm-protos.h: PROTO -> PARAMS.
7433 * config/arm/arm.c: Likewise.
7434 * config/c4x/c4x.c: Likewise.
7435 * config/fr30/fr30-protos.h: Likewise.
7436 * config/nextstep.c: Likewise.
7437 * config/pa/pa.c: Likewise.
7438 * config/pj/pj.c: Likewise.
7439 * config/rs6000/rs6000.c: Likewise.
7440 * config/v850/v850-protos.h: Likewise.
7441 * config/v850/v850.c: Likewise.
7443 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7445 * i370-protos.h: New file.
7447 * i370.c: Include tm_p.h. Fix compile time warnings.
7449 * i370.h: Move prototypes to i370-protos.h. Fix compile time
7452 * i370.md: Likewise.
7454 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7456 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
7457 (target_isinf, target_isnan, eisnan): Mark parameter with
7459 (eiisinf): Wrap in INFINITY.
7460 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
7461 (ibmtoe): Remove unused variable `rndsav'.
7463 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7465 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
7466 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
7468 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
7470 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
7471 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
7472 (fix_char_macro_defines, fix_char_macro_uses): New functions.
7474 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
7475 Recognize Emacs mode markers also.
7476 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
7477 C++ comments in C++ headers. Call is_cxx_header only if
7480 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
7482 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
7483 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
7484 ... these, which use the new C fixes.
7485 (math_exception): Escape literal '+' in bypass expression.
7487 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
7490 2000-01-19 Geoff Keating <geoffk@cygnus.com>
7492 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
7495 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7497 * loop.c (loop_optimize): Allocate loop_info structure for each loop
7498 prior to calling scan_loop.
7500 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7502 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
7503 (split_branches, calc_live_regs): Likewise.
7505 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7507 * sh.md (fpu_single, fp_mode): New attributes.
7509 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7511 * loop.c (current_loop_info): Renamed from loop_info_data
7512 and changed to a pointer.
7513 (loop_optimize): Allocate loop_info structure for each loop
7514 and initialise to zero.
7515 (scan_loop): Set current_loop_info.
7517 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
7520 2000-01-19 Richard Henderson <rth@cygnus.com>
7522 * stupid.c: Die die die.
7523 * Makefile.in (OBJS): Remove stupid.o.
7524 (stupid.o): Likewise.
7526 * except.c (emit_eh_context): Don't emit USEs for stupid.
7527 * explow.c (probe_stack_range): Likewise.
7528 * flags.h (obey_regdecls): Remove.
7529 * flow.c (find_basic_blocks): Don't run try_merge_blocks
7530 when not optimizing.
7531 (life_analysis): Limit data collection when not optimizing.
7532 (mark_regs_live_at_end): Always mark the return value registers.
7533 (mark_used_regs): Remove dummy RETURN case.
7534 (print_rtl_with_bb): Don't consult obey_regdecls.
7535 * function.c (use_variable, use_variable_after): Remove.
7536 (assign_parms): Consult optimize not obey_regdecls.
7537 (expand_function_start): Don't emit USEs for stupid.
7538 (expand_function_end): Likewise.
7539 * global.c (build_insn_chain): Export.
7540 * integrate.c (expand_inline_function): Kill return-value USE
7542 * jump.c (jump_optimize_1): Do simple jump optimizations and
7543 dead code elimination.
7544 (calculate_can_reach_end): Remove check_deleted argument.
7545 (delete_insn): Patch out insns even when not optimizing.
7546 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
7547 * rtl.h (use_variable, use_variable_after): Remove declarations.
7548 (build_insn_chain): Declare.
7549 * stmt.c (expand_value_return): Don't emit USEs for stupid.
7550 (expand_end_bindings): Likewise.
7551 (expand_decl): Likewise. Consult optimize not obey_regdecls.
7552 * toplev.c (obey_regdecls): Remove.
7553 (rest_of_compilation): Don't set it. Kill stupid in favour of
7554 flow1, local-alloc, and reload.
7555 (main): Don't set obey_regdecls.
7557 * config/nextstep.c (handle_pragma): Likewise.
7559 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
7561 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
7563 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7565 * alpha-protos.h: PROTO -> PARAMS.
7566 * alpha.c: Likewise.
7568 * h8300.c: Likewise.
7569 * i386-protos.h: Likewise.
7571 * m32r-protos.h: Likewise.
7574 * mips.md: Likewise.
7575 * gmon-sol2.c: Likewise.
7576 * sparc.c: Likewise.
7578 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7580 * ns32k-protos.h: New file.
7582 * ns32k.c: Fix compile time warnings.
7584 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
7587 * ns32k.md: Likewise.
7589 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7591 * vax-protos.h: New file.
7593 * vax.c: Fix compile time warnings.
7595 * vax.h: Move prototypes to vax-protos.h. Fix compile time
7600 * vaxv.md: Likewise.
7602 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7604 * romp-protos.h: New file.
7606 * romp.c: Fix compile time warnings.
7608 * romp.h: Move prototypes to romp-protos.h. Fix compile time
7611 * romp.md: Likewise.
7613 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7615 * we32k-protos.h: New file.
7617 * we32k.c: Fix compile time warnings.
7619 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
7622 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7624 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
7626 * except.c (eh_regs): Likewise.
7628 * final.c (output_operand): Likewise.
7630 * fold-const.c (target_isinf, target_isnan): Likewise.
7632 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
7634 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
7635 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
7637 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
7639 (clrstrsi): Rewrite.
7640 (strsethi, strsetqi): New expanders.
7641 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
7642 (cmpstrsi): Emit compare insn before cmpstrsi_1
7643 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
7644 (strlensi_1): Likewise.
7645 (cmpstrsi_1): Likewise; do not output compare.
7646 (strlen expander): Do not unroll when optimizing for size.
7647 (*subsi3_carry): Rename to subsi3_carry
7648 (addqi3_cc): New pattern.
7649 * i386.h (processor_costs): Add move_ratio field.
7650 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
7651 * i386.c (*_cost): Set move_ratio.
7652 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
7653 (x86_expand_strlensi_1): Rewrite the main loop.
7655 2000-01-17 Richard Henderson <rth@cygnus.com>
7657 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
7658 * cse.c (find_comparison_args, fold_rtx): Likewise.
7659 * integrate.c (subst_constants): Likewise.
7660 * loop.c (get_condition): Likewise.
7662 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
7664 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
7666 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7668 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
7669 (RESTORE_WARN_FLAGS): Unpack it.
7670 Change semantic type of extension to ttype.
7671 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
7672 * c-parse.y, c-parse.c, objc/objc-parse.y,
7673 objc/objc-parse.c: Regenerate.
7675 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
7677 * fixinc/fixlib.c: Add copyright notice.
7678 (compile_re): New function.
7679 * fixinc/fixlib.h: Prototype compile_re.
7681 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
7682 Use compile_re to compile regular expressions.
7684 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
7685 where the pattern matched.
7687 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
7689 (ultrix_ansi_compat): Likewise.
7690 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
7692 (interactv_add2, interactv_add3): Delete.
7693 (x11_sprintf): Don't use filename glob.
7694 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
7697 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7699 * print-rtl.c: PROTO -> PARAMS.
7701 * reg-stack.c: Likewise.
7702 * resource.c: Likewise.
7703 * sdbout.h: Likewise.
7704 * simplify-rtx.c: Likewise.
7705 * stor-layout.c: Likewise.
7706 * stupid.c: Likewise.
7707 * xcoffout.c: Likewise.
7708 * xcoffout.h: Likewise.
7710 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7712 * toplev.c: PROTO -> PARAMS.
7713 * toplev.h: Likewise.
7716 * unroll.c: Likewise.
7717 * varasm.c: Likewise.
7718 * varray.c: Likewise.
7719 * varray.h: Likewise.
7721 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7723 * reload.c: PROTO -> PARAMS.
7724 * reload.h: Likewise.
7725 * reload1.c: Likewise.
7726 * reorg.c: Likewise.
7727 * resource.h: Likewise.
7730 * rtlanal.c: Likewise.
7731 * sbitmap.h: Likewise.
7732 * sdbout.c: Likewise.
7733 * stack.h: Likewise.
7735 * system.h: Likewise.
7737 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7739 * machmode.h: PROTO -> PARAMS.
7740 * mbchar.h: Likewise.
7741 * mips-tdump.c: Likewise.
7742 * mips-tfile.c: Likewise.
7743 * optabs.c: Likewise.
7744 * output.h: Likewise.
7745 * prefix.c: Likewise.
7746 * profile.c: Likewise.
7747 * protoize.c: Likewise.
7749 * recog.c: Likewise.
7750 * recog.h: Likewise.
7751 * regclass.c: Likewise.
7752 * regmove.c: Likewise.
7755 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7757 * ggc-common.c: PROTO -> PARAMS.
7758 * ggc-page.c: Likewise.
7759 * ggc-simple.c: Likewise.
7761 * global.c: Likewise.
7762 * graph.c: Likewise.
7763 * gthr-win32.h: Likewise.
7764 * haifa-sched.c: Likewise.
7765 * halfpic.h: Likewise.
7766 * integrate.c: Likewise.
7767 * integrate.h: Likewise.
7770 * local-alloc.c: Likewise.
7774 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7776 * genattr.c: PROTO -> PARAMS.
7777 * genattrtab.c: Likewise.
7778 * gencheck.c: Likewise.
7779 * gencodes.c: Likewise.
7780 * genconfig.c: Likewise.
7781 * genemit.c: Likewise.
7782 * genextract.c: Likewise.
7783 * genflags.c: Likewise.
7784 * gengenrtl.c: Likewise.
7785 * genopinit.c: Likewise.
7786 * genoutput.c: Likewise.
7787 * genpeep.c: Likewise.
7788 * genrecog.c: Likewise.
7790 2000-01-16 Mark Mitchell <mark@codesourcery.com>
7792 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
7794 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7796 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
7797 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
7798 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
7799 * configure, config.in: Rebuilt.
7801 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
7803 * config/i386/i386.md: Add peephole to merge successive stack
7806 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
7808 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
7809 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
7810 when walking backwards to find all the parameter loads when
7811 the basic block ends in a call.
7813 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7815 * loop.c (this_loop_info): Delete.
7816 (uid_loop): Add in place of uid_loop_num. All uses updated.
7817 (loop_number_exit_count): Delete and replace with entry in loop
7818 structure. All uses updated.
7819 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
7820 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
7821 (loop_outer_loop): Likewise.
7822 (loop_invalid, loop_number_exit_labels): Likewise.
7823 (loop_used_count_register): Delete and replace with entry in
7824 loop_info structure.
7825 (find_and_verify_loops): Add loops argument.
7826 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
7827 loop_end, etc. arguments with loop structure pointer. All callers
7829 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
7830 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
7831 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
7832 (insert_bct): Likewise.
7833 (basic_induction_var): New argument level.
7834 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
7835 vtop, and cont. Add used_count_register.
7836 (uid_loop): Delete declaration.
7837 (loop_number_exit_count): Likewise.
7838 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
7839 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
7840 (loop_outer_loop, loop_used_count_register): Likewise.
7841 (loop_invalid, loop_number_exit_labels): Likewise.
7842 (unroll_loop): Replace loop_start and loop_end arguments
7843 with loop structure pointer.
7844 (loop_precondition_p, loop_iterations): Likewise.
7845 Include basic-block.h.
7846 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
7847 with loop structure pointer.
7848 (loop_precondition_p, loop_iterations): Likewise.
7849 * basic-block.h (struct loop): New entries vtop, cont,
7850 cont_dominator, start, end, top, scan_start, exit_labels,
7852 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
7854 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7856 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
7858 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
7860 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
7862 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7864 * pdp11-protos.h: New file.
7866 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
7869 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
7872 * pdp11.md: Likewise.
7876 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7878 * mn10300-protos.h: New file.
7880 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
7883 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
7886 * mn10300.md: Likewise.
7888 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7890 * mn10200-protos.h: New file.
7892 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
7895 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
7898 * mn10200.md: Likewise.
7900 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7902 * h8300-protos.h: New file.
7904 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
7907 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
7910 * h8300.md: Likewise.
7912 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7914 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
7915 (asm_emit_uninitialised): Likewise.
7917 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
7919 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
7920 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
7922 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7924 * config/mips/mips.c (override_options): Don't turn on extra
7925 alignment for mips16.
7927 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7929 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
7930 eabi, and make sure queued POSTINCREMENT rtl is emitted at
7933 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
7935 * builtins.c (PAD_VARARGS_DOWN): Define.
7936 (std_expand_builtin_va_arg): Use the above macro.
7937 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
7938 * tm.texi (Register Arguments): Document the above macro.
7940 2000-01-14 Nick Clifton <nickc@cygnus.com>
7942 * emit-rtl.c (emit_insn): If checking is enabled, make sure
7943 that this function has not been used to emit a jump
7946 * jump.c (return_jump_1): Cope with being passed a null rtx.
7948 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7950 * eh-common.h: PROTO -> PARAMS.
7951 * emit-rtl.c: Likewise.
7952 * errors.c: Likewise.
7953 * errors.h: Likewise.
7954 * except.c: Likewise.
7955 * except.h: Likewise.
7956 * explow.c: Likewise.
7957 * expmed.c: Likewise.
7960 * final.c: Likewise.
7961 * fix-header.c: Likewise.
7963 * fold-const.c: Likewise.
7964 * function.c: Likewise.
7965 * function.h: Likewise.
7967 * gcov-io.h: Likewise.
7971 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7973 * sh-protos.h: New file.
7975 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
7976 Add static prototypes. Fix compile time warnings.
7978 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
7982 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7984 * arc-protos.h: New file.
7986 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
7989 * arc.h: Move prototypes to arc-protos.h. Fix compile time
7994 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7996 * dsp16xx-protos.h: New file.
7998 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
8001 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
8004 * dsp16xx.md: Likewise.
8006 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8008 * convex-protos.h: New file.
8010 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
8013 * convex.h: Move prototypes to convex-protos.h. Fix compile time
8016 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8018 * elxsi-protos.h: New file.
8020 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
8023 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
8026 * elxsi.md: Likewise.
8028 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
8030 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
8031 case for moving from HI/LO/HI_LO_REG. This makes the behavior
8032 match the comment for MIPS16.
8034 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
8036 * flow.c (split_edge): Do not call set_block_for_insn if we
8037 do not have a basic_block_for_insn structure.
8039 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
8040 and destination functions are 32bit aligned within the trampoline.
8041 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
8042 (TRAMPOLINE_ALIGNMENT): Define.
8044 * cse.c (cse_insn): When changing (set (pc) (reg)) to
8045 (set (pc) (label_ref)), verify the change creates a valid insn.
8047 * fr30.c (call_operand): Tighten and rework to match rules for
8048 call RTL expressions.
8049 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
8050 * fr30.md (call patterns): Improve constraints.
8052 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
8054 * fr30.c (fr30_expand_epilogue): Revert last change.
8055 Use emit_jump_insn for the return insn.
8057 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
8058 Stan Cox <scox@cygnus.com>
8060 * predict.c: New file. Preliminary infrastructure work for static
8061 branch prediction and basic block reordering.
8062 * basic-block.h: Add prototype for estimate_probability.
8063 * Makefile.in: Add rules for predict.o.
8065 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
8067 * fixincludes (va_list): Use __not_va_list__ for the dummy.
8068 * fixinc/*: Likewise.
8070 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8072 * cccp.c: PROTO -> PARAMS.
8074 * collect2.c: Likewise.
8075 * combine.c: Likewise.
8076 * convert.h: Likewise.
8078 * dbxout.c: Likewise.
8079 * dbxout.h: Likewise.
8080 * diagnostic.c: Likewise.
8081 * doprint.c: Likewise.
8082 * dwarf2out.c: Likewise.
8083 * dwarf2out.h: Likewise.
8084 * dwarfout.c: Likewise.
8085 * dwarfout.h: Likewise.
8086 * dyn-string.h: Likewise.
8088 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8090 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
8091 macro conditionals guarding use.
8093 * dwarf2out.c: Include "tm_p.h".
8095 * function.c (locate_and_pad_parm): Mark parameter with
8097 (expand_function_end): Likewise for variable `context'.
8099 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
8101 2000-01-13 Nick Clifton <nickc@cygnus.com>
8103 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
8104 register to prevent compile time warnings.
8106 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
8108 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
8109 to avoid -Wtraditional warning.
8111 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8113 * 1750a-protos.h: New file.
8115 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
8118 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
8121 * 1750a.md: Likewise.
8123 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8125 * a29k-protos.h: New file.
8127 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
8130 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
8133 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8135 * clipper-protos.h: New file.
8137 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
8140 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
8143 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8145 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
8147 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
8149 * configure.in (--enable-new-gxx-abi): New option.
8150 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
8151 * Makefile.in (GXX_ABI_FLAG): New variable.
8152 * configure: Regenerate.
8154 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8156 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
8157 * tm.texi (FORCE_STRUCT_BLK): Document.
8158 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
8160 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
8162 * config/ns32k/ns32k.md: Revert Jan 9 change.
8164 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
8165 to a mode-test, if the predicate is address_operand.
8167 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
8169 * combine.c (if_then_else_cond): Be careful about what kinds
8170 of RTL expressions are passed to operand_subword.
8172 * flow.c (split_edge): If we have to insert a new jump, make
8173 sure to associate it with a basic block.
8175 * flow.c (commit_one_edge_insertion): A block with one successor
8176 can end in a JUMP_INSN that is not a simplejump.
8178 2000-01-12 Robert Lipe <robertl@sco.com>
8180 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
8181 (BUILD_VA_LIST_TYPE): Define.
8182 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
8185 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
8187 * cccp.c (do_pragma): Add cast to (char *).
8189 2000-01-12 Richard Henderson <rth@cygnus.com>
8190 Fred Fish <fnf@be.com>
8191 Jason Merrill <jason@cygnus.com>
8193 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
8194 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
8195 * i386/beos-elf.h, i386/beos-pe.h: New files.
8197 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
8198 * cross-make (SYSTEM_HEADER_DIR): Define using
8199 CROSS_SYSTEM_HEADER_DIR.
8201 * gcc.c (LIBRARY_PATH_ENV): Provide default.
8202 (process_command): Use it.
8203 (main): Likewise. Kill trailing = from env vars.
8204 (build_search_list): Put it back.
8205 * collect2.c (main): Use LIBRARY_PATH_ENV.
8207 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
8208 * toplev.c: Use NEED_DECLARATION_ENVIRON.
8210 * tm.texi (Frame Layout): Document SMALL_STACK.
8211 * c-common.c (c_common_nodes_and_builtins): Check it.
8213 * system.h: Undef alloca after including glibc's <stdlib.h>,
8214 if USE_C_ALLOCA is defined.
8216 * gcc.c (set_input): New fn.
8217 (main): After all input files are compiled, reset the input file
8220 * aclocal.m4 (rindex, index): If already defined, don't attempt
8223 * ginclude/varargs.h: (__va_list__): Define ifndef.
8224 * ginclude/stdarg.h: Likewise.
8226 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
8227 instead of unsigned char.
8229 * hash.h (true, false, boolean): Undef before enum.
8231 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
8232 proper type of "HOST_WIDE_INT *", rather than their natural type of
8233 "unsigned HOST_WIDE_INT *".
8235 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8237 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
8239 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
8241 * regclass.c (choose_hard_reg_mode): Likewise.
8243 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
8245 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
8247 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8249 * c-common.c: PROTO -> PARAMS.
8250 * c-common.h: Likewise.
8251 * c-decl.c: Likewise.
8252 * c-iterate.c: Likewise.
8253 * c-lang.c: Likewise.
8254 * c-lex.c: Likewise.
8255 * c-lex.h: Likewise.
8256 * c-parse.in: Likewise.
8257 * c-pragma.c: Likewise.
8258 * c-pragma.h: Likewise.
8259 * c-tree.h: Likewise.
8260 * c-typeck.c: Likewise.
8261 * objc/objc-act.c: Likewise.
8262 * objc/objc-act.h: Likewise.
8264 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8266 * m88k-protos.h: New file.
8268 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
8271 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
8273 * m88k.md: Likewise.
8275 * tekXD88.h: Likewise.
8277 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8279 * m68k-protos.h: New file.
8281 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
8284 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
8286 * mot3300.h: Likewise.
8288 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
8290 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
8292 (extract_bitlist): Declare bitlen.
8294 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
8296 * cccp.c: Accept and ignore -lang-fortran.
8298 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
8299 qualifiers don't match at any level of pointerness.
8301 2000-01-12 Robert Lipe <robertl@sco.com>
8303 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
8305 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
8307 * reload1.c (reload_reg_unavailable): New static variable.
8308 (reload_reg_free_p): Test it.
8309 (reload_reg_free_for_value_p): Test it instead of
8311 (choose_reload_regs_init): Compute it.
8313 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
8315 * reorg.c (fill_slots_from_thread): Check modified_in_p
8318 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
8320 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
8321 these nodes even if INTERNALS is not set.
8323 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
8325 * gcse.c (delete_null_pointer_checks_1): Cope when
8326 get_condition cannot determine the condition.
8328 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
8330 * toplev.h (set_message_length): Declare.
8332 * diagnostic.c (obstack_chunk_alloc): Define macro.
8333 (obstack_chunk_free): Likewise.
8334 (struct output_buffer): New data structure.
8336 (output_maximum_width): New variable.
8337 (doing_line_wrapping, set_message_length, init_output_buffer,
8338 get_output_prefix, output_space_left, emit_output_prefix,
8339 output_newline, output_append, output_puts, dump_output,
8340 vbuild_message_string, build_message_string, build_location_prefix,
8341 voutput_notice, output_printf, line_wrapper_printf,
8342 vline_wrapper_message_with_location): New functions. Implement
8343 automatic line wrapping.
8344 (v_message_with_decl): Make it handle automatic line wrapping.
8345 (v_error_with_file_and_line): Likewise.
8346 (v_warning_with_file_and_line): Likewise.
8347 (announce_function): Likewise.
8348 (default_print_error_function): Likewise.
8350 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
8352 * cpplib.h (struct cpp_options): Change lang_asm to char.
8354 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
8355 done in cpp_handle_option now.
8356 (initialize_builtins): Take out special case code used only by
8358 (cpp_handle_option): Turn off trigraphs and trigraph warnings
8359 if -traditional. Recognize -lang-fortran and set
8360 lang_fortran, also turn off cplusplus_comments.
8361 (print_help): Document -lang-fortran.
8362 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
8363 lang_asm. Ignore all directives other than `# 123 "file"' if
8365 (cpp_get_token): If -traditional, don't recognize directives
8366 unless the # is in column 1.
8367 (parse_string): If lang_fortran or lang_asm, silently
8368 terminate strings ('' or "") at end of line.
8369 Remove unnecessary braces.
8371 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8372 Richard Henderson <rth@cygnus.com>
8374 * resource.c (mark_referenced_resources): Mark a set strict_low_part
8376 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
8377 strict_low_part when possible.
8379 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8381 * alias.c: PROTO -> PARAMS.
8382 * basic-block.h: Likewise.
8383 * bitmap.c: Likewise.
8384 * bitmap.h: Likewise.
8385 * builtins.c: Likewise.
8386 * c-aux-info.c: Likewise.
8387 * caller-save.c: Likewise.
8388 * calls.c: Likewise.
8390 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8392 * Makefile.in (toplev.o): Depend on regs.h.
8394 * output.h (tdesc_section): Prototype.
8396 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
8398 * sdbout.c: Include "tm_p.h".
8400 * toplev.c: Include "regs.h".
8402 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
8404 * unroll.c (unroll_loop): Add EH support.
8406 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8408 * pa-protos.h: New file.
8410 * pa.c: Include recog.h and tm_p.h.
8411 (compute_zdepwi_operands, compute_movstrsi_length,
8412 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
8413 find_addr_reg, import_milli): Add static prototypes.
8414 (pa_cpu_string, pa_arch_string): Constify a char*.
8415 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
8416 (read_only_operand): Add argument `mode'.
8417 (singlemove_string, output_move_double, output_fp_move_double,
8418 output_block_move, output_and, output_ior, output_ascii,
8419 remove_useless_addtr_insns, milli_names, output_mul_insn,
8420 output_div_insn, output_mod_insn, output_arg_descriptor,
8421 output_cbranch, output_bb, output_bvb, output_dbra, ,
8422 output_millicode_call, output_call, hppa_encode_label,
8423 output_parallel_movb, output_parallel_addb): Constify a char*.
8424 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
8425 (output_parallel_addb): Remove extra arg to `constrain_operands'
8427 * pa.h: Move all prototypes to pa-protos.h.
8428 (pa_cpu_string, pa_arch_string): Constify a char*.
8429 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
8431 * pa.md: Call `function_label_operand' with mode argument.
8432 Likewise for `read_only_operand'.
8433 Fix nesting of parens in call to `symbolic_operand'.
8435 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8437 * i860-protos.h: New file.
8439 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
8442 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
8444 * i860.md: Likewise.
8446 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
8448 * i386.md (movstrsi expander): Rewrite.
8449 (movstrsi_1 insn): Deleted.
8450 (strmovhi, strmovqi expander): New expanders.
8451 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
8452 * i386.c (x86_single_stringop): New global variable.
8453 * i386.h (x86_single_stringop): Declare.
8454 (TARGET_SINGLE_STRINGOP): New macro.
8456 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
8458 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
8459 integer vararg POSTINCREMENT before the destination of the jump
8460 for the hard fp case.
8461 (function_arg_pass_by_reference): Pass a copy of CUM to
8464 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
8465 for CONSTANT_ADDRESS_P above while loop for subreg.
8467 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
8469 * flow.c (propagate_block): When a prologue/epilogue insn
8470 is marked dead, unconditionally clear libcall_is_dead and
8471 insn_is_dead, and only dump rtl if warnings aren't being
8474 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
8476 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
8477 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
8478 (FIXED_REGISTERS): Set dirflag as fixed.
8479 (CALL_USED_REGISTERS): Set dirflag as used.
8480 (REG_ALLOC_ORDER): Set dirflag as last one.
8481 (DIRFLAG_REG): New macro.
8482 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
8483 (HI_REGISTER_NAMES): Add dirflag.
8484 (DEBUF_PRINT_REG): Handle dirflag.
8485 * i386.md (type attribute): New cld and str types.
8486 (length_opcode attribute): Set cld and str to 1.
8487 (memory attribute): Set str to unknown - it is not clear from the
8489 (pent_np function unit): Prefixed string operations takes 12 cycles
8490 minimally; cld takes 2 cycles.
8491 (ppro_uops attribute): Str is "many" and cld is "few".
8492 (ppro_p0 unit): Handle cld here.
8493 (k6_alux unit): Handle cld and str types.
8494 (k6_load unit): It is ocupied by str opcodes.
8495 (k6_store unit): It is ocupied by str opcodes.
8496 (athlon_decode): Str is vector decoded.
8497 (athlon_ieu): Handle str and cld.
8499 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
8500 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
8501 cmpstrsi_nz_1 insn): Do not output cld instruction
8503 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
8505 * gcc.texi (G++ and GCC): Add Java and Chill.
8506 (Bug Critera): Don't list languages.
8508 * gcc.texi (Incompatibilities): No longer claim most C compilers
8511 * gcc.texi (G++ and GCC): Update other front-ends list.
8513 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
8515 * i386.c (ix86_expand_setcc): Fix typo.
8516 (ix86_expand_movcc): Similarly.
8518 * Band-aid until haifa's bitset implementation is nuked.
8519 * haifa-sched.c (extract_bitlst): New parameter for size of the
8520 bitset in bits. All callers changed. Avoid looking at undefined
8522 (edgeset_bitsize): New variable.
8523 (schedule_region): Initialize edgeset_bitsize.
8525 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8527 * Makefile.in (optabs.o): Depend on real.h
8528 (resource.o): Depend on insn-attr.h
8530 * builtins.c (result_vector): Wrap prototype in macro conditions
8531 governing definition and use.
8533 * c-common.c: Include tm_p.h.
8535 * c-lex.c: Likewise.
8537 * elfos.h: Constify a char*.
8539 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
8540 (get_attr_length, shorten_branches, profile_after_prologue): Mark
8541 parameter with ATTRIBUTE_UNUSED.
8543 * fold-const.c (exact_real_inverse): Wrap variable `i' in
8546 * haifa-sched.c (schedule_insns): Mark parameter with
8549 * optabs.c: Include real.h.
8551 * real.h (ereal_atof): Add prototype arguments.
8553 * resource.c: Include insn-attr.h.
8555 * sdbout.c (sdbout_queue_anonymous_type,
8556 sdbout_dequeue_anonymous_types): Wrap in macro
8557 SDB_ALLOW_FORWARD_REFERENCES.
8558 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
8561 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
8563 * stupid.c: Include tm_p.h.
8565 * tree.c (real_value_from_int_cst): Mark parameter with
8568 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8570 * i960-protos.h: New file.
8572 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
8575 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
8577 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8579 * combine.c (expand_field_assignment): Do not discard SUBREGs
8580 while computing nonzero_bits.
8582 2000-01-09 Nick Clifton <nickc@cygnus.com>
8584 * config/arm/arm.c: Fix compile time warnings about signed vs
8586 * config/arm/arm.h: Fix compile time warnings about signed vs
8589 2000-01-09 Philip Blundell <philb@gnu.org>
8591 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
8592 than `ldm' with only one register.
8593 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
8596 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
8599 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
8601 * config/ns32k/ns32k.md (load or push effective address): Operand 1
8604 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8606 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
8607 assignment used as truth value.
8609 * function.c (assign_temp): Mark parameter `dont_promote' with
8610 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
8611 PROMOTE_FOR_CALL_ONLY.
8613 * genrecog.c (write_subroutine): Mark variable `operands' with
8616 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
8619 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
8620 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
8622 * toplev.c (note_deferral_of_defined_inline_function): Likewise
8625 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8627 * config/c4x.h: Tidy up comments.
8628 * config/c4x.c: Likewise.
8630 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
8632 * fold-const.c (lshift_double, rshift_double): Handle
8633 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
8635 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8637 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
8638 in prepare_function_start().
8640 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
8642 * config/v850/v850.c (expand_epilogue): Interrupt functions no
8643 longer allocate extra stack for function calls.
8645 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8647 * config/c4x/c4x.md (*subqf3_set): Fix typo.
8649 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8651 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
8653 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8655 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8656 * aix43.h: Revert Aug 2 change.
8657 (HAS_INIT_SECTION): Define, not visible yet.
8658 (LD_INIT_SWITCH): Define, not visible yet.
8659 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8661 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
8663 * collect2.c (main): Expand ld2 size further.
8664 (export_object_lst): Cast assignment to avoid warning.
8665 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
8666 (scan_prog_file, COFF): Do not collect initialization or
8667 finalization functions generated for entire shared object if
8668 init/fini support present.
8670 2000-01-07 Nick Clifton <nickc@cygnus.com>
8672 * config/elfos.h: Tidy up formatting of marcos. Make sure
8673 that .section directives are always prefixed by a tab.
8675 * config/svr4.h: Add #include "elfos.h" and remove duplicate
8678 2000-01-07 Matt Austern <austern@sgi.com>
8680 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
8683 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
8685 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
8687 (crtbegin.o, s-crtS): Likewise.
8689 2000-01-06 Richard Henderson <rth@cygnus.com>
8691 * alpha.md (adddi_2+1): Limit offset such that it will be
8692 loadable with a single ldah+lda pair.
8693 (adddi_2+2): Explicitly fail split if we can't make it work.
8695 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
8697 * protoize.c: Conditionally include unistd.h.
8698 (IS_SAME_PATH_CHAR): New macro.
8699 (IS_SAME_PATH): New macro.
8700 (CPLUS_FILE_SUFFIX): New macro.
8701 (cplus_suffix): New static variable.
8702 (is_abspath): New static function.
8703 (in_system_include_dir): Handle DOS style pathnames.
8704 (file_could_be_converted): Likewise.
8705 (file_normally_convertible): Likewise.
8706 (directory_specified_p): Likewise.
8707 (file_excluded_p): Likewise.
8708 (abspath): Likewise.
8709 (shortpath): Likewise.
8710 (referenced_file_is_newer): Likewise.
8711 (save_def_or_dec): Likewise.
8712 (do_processing): Likewise.
8714 (edit_file): Likewise. Use rename instead of link.
8715 (rename_c_file): Likewise. Don't rename syscalls file.
8716 (munge_compile_params): Define null device for DOS based systems.
8717 (process_aux_info_file): Use binary mode if appliable.
8718 (edit_file): Likewise.
8719 * invoke.texi (Running Protoize): Document C++ suffixes used.
8721 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
8722 IS_DIR_SEPARATOR macros.
8723 * collect2.c: Likewise.
8724 * cppinit.c: Likewise.
8725 * dwarf2out.c: Likewise.
8728 * prefix.c: Likewise.
8730 * toplev.c: Likewise.
8731 * system.h: And move to here.
8733 * prefix.c (update_path): Fix typo in variable name.
8735 2000-01-06 Richard Henderson <rth@cygnus.com>
8737 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
8738 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
8739 (count_reg_sets_1, count_reg_references): Likewise.
8740 (flow_loops_level_compute): Start counting actual loop depth at 1.
8741 (flow_loops_find): Likewise.
8742 * local-alloc.c (update_equiv_regs): Likewise.
8743 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
8745 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
8747 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
8748 FIRST_PSEUDO_REGISTER
8749 * dwarf2out.c: Don't include frame.h
8750 * dwarfout.c: Likewise
8751 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
8754 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
8756 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
8759 * i386.c (movsf splitter): Fix typo in my last checkin.
8761 2000-01-05 Nick Clifton <nickc@cygnus.com>
8763 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
8764 own definition of this macro.
8765 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
8766 flag_data_sections or UNIQUE_SECTION_P are true.
8768 * tm.texi (UNIQUE_SECTION): Document that it can be called for
8769 unitialised data decls.
8771 * config/i386/winnt.c (i386_pe_unique_section): Cope with
8772 being called for uninitialised data.
8774 * config/i386/interix.c (i386_pe_unique_section): Cope with
8775 being called for uninitialised data.
8777 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
8778 for uninitialised data.
8780 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
8781 for uninitialised data.
8783 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
8784 for uninitialised data.
8786 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
8787 (UNIQUE_SECTION_P): Always generate a unique section if
8788 flag_data_sections is true.
8789 (UNIQUE_SECTION): Also generate unique sections for
8791 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
8792 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
8795 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8797 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
8800 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8802 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
8803 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
8804 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
8805 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
8806 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
8808 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
8810 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
8812 * c-decl.c (finish_enum): Simplify code to determine minimum and
8813 maximum values of the enum, and calculate the type. Remove check
8814 for FUNCTION_DECLs in the values list, which cannot happen. Replace
8815 the DECL_INITIAL of each enumeration constant with a copy converted
8816 to the enumeration type. When updating variant types, don't bother
8817 updating the type itself.
8819 * c-typeck.c (build_binary_op): Simplify conditional expressions
8820 when weeding out spurious signed-unsigned warnings. Add new
8821 spurious warning category: if the unsigned quantity is an enum
8822 and its maximum value fits in signed_type(result_type). Update
8824 (build_conditional_expr): Warn here if one alternative is signed
8825 and the other is unsigned.
8827 2000-01-05 Nick Clifton <nickc@cygnus.com>
8829 * config/fr30/fr30.h: Remove extraneous comments.
8831 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
8833 * reload1.c (choose_reload_regs): When disabling a reload, also
8834 set reload_spill_index to -1.
8836 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8838 * configure.in (m68*-*-rtemscoff*): New target, formal name for
8840 (m68*-*-rtemself*): New target.
8841 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
8842 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
8843 (sparc*-*-rtemself*): New target.
8844 (sparc*-*-rtems*): Now elf not a.out.
8845 * config/i386/rtems.h: Include config/rtems.h.
8846 * config/i386/rtemself.h: Include config/rtems.h.
8847 * config/i960/rtems.h: Include config/rtems.h.
8848 * config/m68k/rtems.h: Include config/rtems.h.
8849 * config/m68k/rtemself.h: Include config/rtems.h.
8850 * config/mips/rtems64.h: Include config/rtems.h.
8851 * config/pa/rtems.h: Include config/rtems.h.
8852 * config/rs6000/rtems.h: Include config/rtems.h.
8853 * config/sh/rtems.h: Include config/rtems.h.
8854 * config/sh/rtemself.h: Include config/rtems.h.
8855 * config/sparc/rtems.h: Include config/rtems.h.
8856 * config/sparc/rtemself.h: Include config/rtems.h
8858 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
8860 * final.c (shorten_branches): Correctly compute length of
8861 asms without operands.
8863 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
8865 * configure.in: Add pj target.
8866 * configure: Regenerate.
8867 * config/pj: New directory.
8868 * config/pj/lib1funcs.S: New file.
8869 * config/pj/linux.h: New file.
8870 * config/pj/pj.c: New file.
8871 * config/pj/pj.md: New file.
8872 * config/pj/pjl.h: New file.
8873 * config/pj/t-pj: New file.
8874 * config/pj/xm-pj.h: New file
8876 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
8878 * toplev.c (rest_of_compilation): Run shorten-branches before
8881 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8883 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
8884 macros so that they're consistent with their names.
8885 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
8886 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
8888 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8890 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
8891 modified inadvertently.
8893 2000-01-04 Joel Sherrill <joel@OARcorp.com>
8895 * configure.in (v850*-*-rtems*): New target.
8896 * configure: Regenerate.
8897 * config/v850/rtems.h: New file.
8899 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
8901 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
8902 (__gthread_key_create): Likewise.
8903 (__gthread_key_dtor): Likewise.
8904 (__gthread_once): Fix logic.
8905 (__gthread_key_delete): Cast away constness.
8907 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
8908 * invoke.texi: Document.
8909 * i386/mingw32.h (CPP_SPEC): Use.
8910 (LIBGCC_SPEC): Likewise.
8911 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
8913 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8915 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
8916 (HANDLE_PRAGMA_PACK): Undefine.
8917 (SLOW_UNALIGNED_ACCESS): Define.
8919 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8921 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
8922 to default definition.
8923 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
8924 (store_fixed_bit_field): Call macro with word_mode and alignment.
8925 (extract_bit_field): Call macro with relevant mode and alignment.
8926 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
8927 to default definition.
8928 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
8930 (move_by_pieces_ninsns): Likewise.
8931 (clear_by_pieces): Likewise.
8932 (emit_push_insn): Likewise.
8933 (store_field): Call macro with relevant mode and alignment.
8934 (expand_expr): Likewise.
8935 (expand_expr_unaligned): Likewise.
8937 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8938 (SLOW_UNALIGNED_ACCESS): Define.
8939 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8940 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8941 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8942 (toc_section): Likewise and .toc pseudo-op.
8943 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8945 (TEXT_SECTION_ASM_OP): Likewise.
8946 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8949 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
8950 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
8951 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
8952 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
8953 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
8955 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
8957 * regclass.c: Revert my Jan 4 change to loop cost computation.
8959 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
8961 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
8964 2000-01-04 Stan Cox <scox@cygnus.com>
8966 * haifa-sched.c (build_control_flow): Change unreachable simple
8967 loop test to check if current block has only one predecessor.
8968 (find_rgns): Initialize degree. Use dest as degree index, not src.
8970 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8972 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
8974 * calls.c (expand_call): Likewise for
8975 `old_stack_arg_under_construction'.
8977 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
8979 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
8982 * gcc.c (execute): Likewise for `ut' and `st'.
8984 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
8986 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
8988 * jump.c (jump_optimize_1): Likewise for `temp2'.
8990 * local-alloc.c (block_alloc): Likewise for `r1'.
8992 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
8994 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
8995 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
8997 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
9000 * reload.c (find_reloads): Likewise for `goal_alternative_number'
9001 and `goal_earlyclobber'.
9003 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
9005 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
9007 * stupid.c (stupid_life_analysis): Likewise for `chain'.
9009 * unroll.c (copy_loop_body): Likewise for `copy'.
9011 * varasm.c (output_constructor): Likewise for `byte'.
9013 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9015 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
9016 all FP constants for constant->reg moves.
9017 (ix86_split_to_parts): Try to convert memory address into immediate
9018 when available in the constant pool.
9019 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
9021 (LEGITIMATE_CONSTANT_P): Return 1.
9022 * i386.md (pushsf): New splitter to convert constant pool memory
9023 reference to immediate.
9024 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
9027 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
9029 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
9030 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
9031 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
9032 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
9033 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
9035 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
9037 * ginclude/stdbool.h: Support compilation as C++.
9039 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9041 * fold-const.c (make_range): Don't try to reverse an unbounded range.
9043 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
9045 * regclass.c (regclass): Properly compute loop_cost. Adjust
9048 * regclass.c: Fix minor whitespace problems.
9050 2000-01-03 Anthony Green <green@cygnus.com>
9052 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
9053 Restore the pic register if required.
9055 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
9057 * c-common.c (format_char_info): Update comment.
9058 (check_format_info): Recognize 'z' modifier in the same way 'Z'
9059 was recognized. Emit warning for formats new in ISO C99 only
9060 if flag_isoc9x is not set.
9062 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
9064 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
9066 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9068 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
9069 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
9070 (make_compound_operation): Choose cheaper alternative between
9071 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
9073 * regclass.c (op_costs): Remove global variable.
9074 (record_reg_classes): New parameter "op_costs" and "reg_pref".
9075 (record_operand_costs): Break out from ...
9076 (scan_one_insn): ... here.
9077 (dump_regclass): Make dumps nicer.
9078 (regclass): Dump preferrences choosed and changes done during passes.
9080 2000-01-03 Jakub Jelinek <jakub@redhat.com>
9082 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
9084 2000-01-03 Jakub Jelinek <jakub@redhat.com>
9086 * config/sparc/sparc.c (gen_df_reg): New function.
9087 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
9088 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
9089 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
9090 movtf_cc_reg_sp64+1): Use it.
9092 2000-01-02 Mark Mitchell <mark@codesourcery.com>
9094 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
9097 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9099 * config/i386/i386.c (ix86_expand_unary_operator): Function
9100 definition made void.
9101 (ix86_expand_binary_operator): Update outdated preceding comment.
9102 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
9105 * config/i386/i386.c (override_options): Fix option-name typo.
9107 2000-01-02 Mark Mitchell <mark@codesourcery.com>
9109 * system.h (CEIL): Define.
9110 * builtins.c (CEIL): Remove.
9111 * expmed.c (CEIL): Likewise.
9112 * expr.c (CEIL): Likewise.
9113 * stor-layout.c (CEIL): Likewise.
9115 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9117 * expr.c (store_constructor_field): Fix typo introduced with last
9120 2000-01-01 Mark Mitchell <mark@codesourcery.com>
9122 * tree.h (BINFO_N_BASETYPES): New macro.
9124 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
9126 * expmed.c (emit_store_flag): Prevent losing a pending stack
9127 adjust the same way we prevent losing queued increments.
9129 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9131 * function.c (update_temp_slot_address): Handle case where sum of
9132 temporary address plus offset in register is a valid address.
9134 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9136 * genrecog.c (change_state) Corrected typo.
9138 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9140 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
9141 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
9142 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
9144 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
9146 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
9147 case, expand GT comparisons correctly. Fix a comment before this
9150 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
9152 * dwarfout.c: Include "frame.h"
9153 * dwarf2out.c: Likewise.
9154 * Makefile.in (dwarfout.o): Depend on frame.h
9155 (dwarf2out.o): Likewise.
9157 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
9159 Restore i386 binary compatibility in Dwarf EH info.
9160 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
9161 value of FIRST_PSEUDO_REGISTER.
9162 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
9163 (struct frame_state): Use DWARF_FRAME_REGISTERS.
9164 * dwarfout.c (output_reg_number): Ditto.
9165 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
9166 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
9168 1999-12-29 Bruce Korb <autogen@linuxbox.com>
9170 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
9171 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
9172 (<hack>_RE_CT): not needed
9173 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
9174 rewritten to scan the file text once only
9175 "template<..." test added
9176 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
9177 (is_cxx_header): declaration added
9178 * fixinc/fixtests.c(is_cxx_header): removed
9179 (apply_fix_p_t): removed
9180 (double_slash_test): is_cxx_header is only called once now
9181 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
9182 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
9183 within the templates.
9184 The borken spelling of "broken" was fixed.
9185 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
9186 The default level depends on FIXINC_DEBUG.
9188 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9190 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
9191 Otherwise provide a declaration for atexit.
9192 (init_dummy): Make sure dummy call to atexit is nevertheless
9193 called with correct number of args.
9195 * frame.c: Update comments referring to other files.
9197 * libgcc2.c: Likewise.
9199 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9201 * cse.c (free_element, get_element): Remove unused prototypes.
9203 * fold-const.c (extract_muldiv): Initialize variables `op0' and
9206 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
9209 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
9211 * configure.in,configure: case arm for mn10200-*-* now sets
9212 float_format=i32 so that float.h will correctly claim "double"
9213 to be 32 bits. Ran autoconf to generate configure from .in file.
9215 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
9217 * pa.md (conditional zero): If op1 is a register, force it into
9218 the same register as op0.
9220 1999-12-28 Mark Mitchell <mark@codesourcery.com>
9222 * tree.h (BINFO_BASETYPES): Improve documentation.
9224 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9226 * configure.in (--enable-checking): Use a more portable `for'
9229 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9231 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
9232 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
9234 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
9237 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
9238 Delete descriptions.
9240 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
9241 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
9242 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
9243 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
9244 xm-svr4.h: Remove all instances of sys_siglist handling.
9246 1999-12-27 Jakub Jelinek <jakub@redhat.com>
9248 * config/sparc/sparc.md (cmp_zero_qi,
9249 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
9250 cmp_zero_extendqidi2_andcc_set): New patterns.
9252 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
9254 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
9255 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
9256 (fpgnulib.c, xfgnulib.c): Add rules.
9257 * m68k/t-mot3300-gas: Likewise.
9259 1999-12-27 Ian Lance Taylor <ian@zembu.com>
9261 * configure.in: Avoid [[ by using test and changequote. Add
9262 changequote required by 1999-12-14 change.
9263 * configure: Rebuild.
9265 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
9267 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
9269 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
9271 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
9272 * flow.c (find_use_as_address): Likewise.
9273 * function.c (fixup_var_refs_1): Likewise.
9274 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
9275 * jump.c (invert_exp, redirect_exp): Likewise.
9276 * loop.c (replace_call_address): Likewise.
9277 (count_nonfixed_reads): Likewise.
9278 * rtlanal.c (modified_between_p): Likewise.
9279 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
9280 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
9281 * unroll.c (remap_split_bivs): Likewise.
9283 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9285 * diagnostic.c (v_message_with_decl): Use .* format specifier
9286 instead of building the format specifier width manually.
9288 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
9289 determining whether to provide a prototype. Remove the
9290 sys_siglist clause in the conditional.
9292 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9294 * fold-const.c (operand_equal_p): Use memcmp to compare string
9296 Suggested by D. J. Bernstein
9298 1999-12-17 Jakub Jelinek <jakub@redhat.com>
9300 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
9301 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
9303 * config/mips/mips.h (TARGET_64BIT): Likewise.
9304 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
9305 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
9306 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
9307 dsps. Give routines proper names if SI/DI modes are not used.
9308 * longlong.h: Use DWunion instead of DIunion.
9310 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
9312 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
9313 GC_CHECKING, GC_ALWAYS_COLLECT.
9314 * configure.in: Allow --enable-checking with an argument
9315 listing check modes to enable.
9316 * config.in, configure: Rebuilt.
9317 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
9318 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
9319 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
9320 ENABLE_GC_ALWAYS_COLLECT.
9321 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
9323 * tree.h, tree.c: Change ENABLE_CHECKING to
9324 ENABLE_TREE_CHECKING throughout.
9326 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9328 * fold-const.c (fold_truthop): Properly check for FP RHS.
9330 1999-12-24 Mark Mitchell <mark@codesourcery.com>
9332 * toplev.h (note_deferall_of_defined_inline_function): Declare.
9333 * toplev.c (note_deferral_of_defined_inline_function): New
9334 function, split out from ...
9335 (rest_of_compilation): ... here. Use it.
9337 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9339 * expr.c (store_constructor): Don't call clear_storage if size is
9342 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9344 * Makefile.in (toplev.o): Depend on loop.h.
9346 * dwarfout.c: Include tm_p.h.
9348 * emit-rtl.c (restore_emit_status): Mark parameter with
9351 * final.c (final_scan_insn): Likewise.
9353 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
9354 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
9355 flow_depth_first_order_compute, flow_loop_pre_header_find,
9356 flow_loop_tree_node_add, flow_loops_tree_build,
9357 flow_loop_level_compute, flow_loops_level_compute,
9358 flow_loop_outside_edge_p): Add prototypes.
9359 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
9361 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
9362 Mark with ATTRIBUTE_NORETURN.
9364 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
9366 * local-alloc.c (no_conflict_p): Likewise.
9368 * loop.c (insert_bct): Hide definitions of variables with hidden
9370 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
9372 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
9373 with ATTRIBUTE_UNUSED.
9374 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
9375 (reg_scan): Likewise.
9377 * reload.c (find_reloads): Remove unused variables `changed'.
9379 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
9381 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
9382 Remove unused variable `insn'.
9384 * toplev.c: Include loop.h.
9385 (report_file_and_line): Remove unnecessary prototype.
9387 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
9389 * unroll.c (biv_total_increment): Likewise.
9391 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9393 * reload1.c (emit_input_reload_insns): Restore old behaviour
9394 wrt. 'special' reloads.
9396 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
9398 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
9399 hash.h. (cse.c): Don't depend on hashtab.h.
9401 * cse.c: Don't include hashtab.h.
9402 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
9404 * ggc-simple.c: Don't include hash.h.
9406 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
9408 * dwarf2out.c (add_abstract_origin_attribute): Call
9409 gen_abstract_function on our function context.
9411 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
9413 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
9415 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9417 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
9420 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9422 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
9423 constraints to "a!r".
9425 1999-12-21 Mark Mitchell <mark@codesourcery.com>
9427 * Makefile.in (calls.o): Depend on function.h.
9428 (alias.o): Likewise.
9430 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
9432 * reload1.c (emit_reload_insns): Break out code and variables into...
9433 (input_reload_insns, other_input_address_reload_insns,
9434 other_input_reload_insns, input_address_reload_insns,
9435 inpaddr_address_reload_insns, output_reload_insns,
9436 output_address_reload_insns, outaddr_address_reload_insns,
9437 operand_reload_insns, other_operand_reload_insns,
9438 other_output_reload_insns): ... new static variables, and...
9439 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
9440 do_output_reload): ... new functions.
9442 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9444 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
9446 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9448 * md.texi: Add c4x constraints documentation.
9450 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9452 * config/i386/dgux.c (struct option): Rename to
9453 lang_independent_option.
9454 (struct m_options): Add description field.
9455 (output_options): Rename option type, add sep declaration, output
9456 ix86_cpu_string and ix86_arch_string only if set.
9457 (output_file_start): Rename option type.
9459 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
9461 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
9463 (libgcc2.a): Similarly.
9465 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
9467 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
9468 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
9469 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
9471 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
9473 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
9474 Remove redundant initialization of "frexpon" and "expon".
9476 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9478 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
9480 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
9481 (store_constructor_field, expand_expr): Pass new arg.
9483 1999-12-20 Mark Mitchell <mark@codesourcery.com>
9485 * Makefile.in (explow.o): Depend on function.h.
9487 * stor-layout.c (set_sizetype): Fix typo.
9489 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
9491 * function.c (cfun): Renamed from current_function. All users
9493 * function.h (cfun): Rename declaration as well.
9495 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
9496 to be of type regset_head, not regset. All users changed by adding
9498 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
9500 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9502 * config/c4x/rtems.h: New file.
9504 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
9506 * reload1.c (spill_failure): Take class of failed reload as argument
9507 and print it. Caller changed.
9509 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9511 * rs6000.h (SUBTARGET_DEFAULT): New macro.
9512 (TARGET_SWITCHES): Allow subtargets to default switches.
9513 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
9515 1999-12-18 Mark Mitchell <mark@codesourcery.com>
9517 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
9520 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
9522 * cccp.c (main): Define __STDC_VERSION__ as necessary.
9523 * cppinit.c (cpp_handle_option): Likewise.
9525 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
9526 determine when to define.
9528 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
9530 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
9531 cmove with mismatched test and data modes.
9533 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
9535 * c-typeck.c (c_expand_start_case): Don't warn for long switch
9538 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9540 * alias.c: Minor reformatting.
9543 * stor-layout.c: Likewise.
9544 * fold-const.c: Likewise.
9545 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
9546 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
9548 (size_int_wide): Cache nodes even if garbage collecting.
9549 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
9550 of SAVE_EXPR has no side effects.
9551 * cse.c: Move a comment.
9552 * tree.c: Minor reformatting.
9553 (int_size_in_bytes): Return -1 if constant overflows.
9555 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9557 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
9559 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
9561 * objc/objc-parse.c: Regenerate. This file must be rebuilt
9562 after any change to c-parse.in, even if objc-parse.y didn't
9565 1999-12-18 David S. Miller <davem@redhat.com>
9567 * toplev.c (rest_of_compilation): Restore BLOCK tree
9568 reconstruction and branch shortening changes lost in
9569 December 18th change.
9571 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
9573 * config/arm/linux-elf.h: Change all instances of
9574 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
9575 * config/arm/uclinux-elf.h: Likewise.
9577 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
9579 * toplev.c (notice, vmessage, v_message_with_file_and_line,
9580 v_message_with_decl, file_and_line_for_asm,
9581 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
9582 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
9583 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
9584 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
9585 pfatal_with_name, fatal_io_error, need_error_newline,
9586 last_error_function, last_error_tick, announce_function,
9587 default_print_error_function, print_error_function,
9588 report_error_function, fnotice, error_with_file_and_line,
9589 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
9590 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
9591 warning_with_decl, warning_for_asm, warning, pedwarn,
9592 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
9594 (compile_file): Use fnotice instead of notice. Adjust call.
9596 * diagnostic.c: New file.
9598 * Makefile.in (OBJS): Include diagnostic.o
9599 (diagnostic.o): Define dependence.
9601 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9603 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
9606 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9608 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
9610 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
9612 * fixtests.c (is_cxx_header): New fn, split out of
9614 (else_endif_label): Allow "#endif // comment" in C++ headers,
9615 as determined by is_cxx_header.
9616 * fixfixes.c (else_endif_label_fix): Update comment.
9617 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
9619 * genfixes: Correct double thinko in commandline parsing.
9620 * hackshell.tpl: Generate correct sh syntax for bypass
9623 * inclhack.def (all): Whenever an inserted preprocessor
9624 conditional is split over multiple lines, use double
9625 backslashes in this file so the fixed header will be readable.
9627 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
9628 and add bypass entry for correct version of this header.
9629 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
9630 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
9632 (hpux8_bogus_inlines): New fix, split from...
9633 (ultrix_atof_param) ... here.
9634 (math_expression): Add bypass entry keyed to glibc comment
9635 indicating the problem has been dealt with; disable
9636 unnecessary sed operations; update commentary.
9637 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
9638 add select and bypass entries, simplify shell operation.
9639 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
9641 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
9642 ultrix_atof_param): Add select entry.
9643 (stdio_va_list, sunos_mather_decl): Add bypass entry.
9644 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
9645 comments with the fixes they describe.
9647 * c-parse.in (string action): Do not warn about ANSI string
9648 concatenation in system headers. Affects C parser only.
9649 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
9651 1999-12-16 Jakub Jelinek <jakub@redhat.com>
9653 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
9654 compiling libgcc2 the macro depends always on arch cpp defines.
9656 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
9658 * loop.c (insert_loop_mem): Don't record MEMs from inside
9661 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
9663 * regclass.c (regclass): Do not use flowgraph when not optimizing.
9665 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
9666 notes too, create one when replacement failed, attempt to simplify
9668 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
9671 1999-12-16 Mark Mitchell <mark@codesourcery.com>
9673 * crtstuff.c (__dso_handle): Declare.
9674 (__cxa_finalize): Likewise.
9675 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
9678 * invoke.texi: Document -fuse-cxa-atexit.
9680 * tree.h (ptr_type_node): Document.
9681 (const_ptr_type_node): Likewise.
9683 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9685 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
9686 (optimize_reg_copy_2): Likewise.
9687 (optimize_reg_copy_3): Likewise.
9688 (fixup_match_2): Likewise.
9689 (regmove_optimize): Likewise.
9690 (fixup_match_1): Liekwise.
9692 * i386.md (HI to SImode promoting splitters): Rewrite.
9693 (pushsf mem peep2): New.
9694 (testhi to andhi peep2): Remove.
9695 * i386.h (x86_promote_QImode): New.
9696 (TARGET_PROMOTE_QImode): New.
9697 (PREDICATE_CODES): Add promotable_binary_operator.
9698 * i386.c (x86_promote_QImode0: New.
9699 (promotable_binary_operator): New.
9700 * i386-protos.h (promotable_binary_operator): New.
9702 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
9704 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
9706 1999-12-16 Mark Mitchell <mark@codesourcery.com>
9708 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
9709 * function.c (insert_block_after_note): Remove.
9710 (retrofit_block): Likewise.
9711 (identify_blocks): Fix indentation.
9712 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
9713 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
9714 * function.h (insert_block_after_note): Remove prototype.
9715 (retrofit_block): Likewise.
9716 * integrate.c (expand_inline_function): Don't call
9717 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
9718 just expand_start_bindings. Use the block_map to remap old
9719 NOTE_BLOCKs to new ones.
9720 (integrate_decl_tree): Keep track of remapped blocks.
9721 * integrate.h (struct inline_remap): Add block_map.
9722 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
9723 NOTE_BLOCK on the notes.
9724 (expand_start_bindings): Rename to ...
9725 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
9726 (expand_end_bindings): Set NOTE_BLOCK.
9727 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
9728 reconstruct the BLOCK tree.
9729 * tree.h (expand_start_bindings): Macroize. Call ...
9730 (expand_start_bindings_and_block): New function.
9732 1999-12-16 Jakub Jelinek <jakub@redhat.com>
9734 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
9735 to match the format.
9737 1999-12-16 David S. Miller <davem@redhat.com>
9739 * expr.c (emit_move_insn_1): Only emit clobbers if one of
9740 the outputs is a SUBREG.
9741 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
9744 * config/sparc/sparc.c (epilogue_renumber): Add default case
9747 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9749 * toplev.c (rest_of_compilation): Run branch shortening after
9752 * regclass.c (loop_depth): Remove
9753 (scan_one_insn): Do not handle LOOP_NOTE insns.
9754 (regclass): Go through basic blocks and set loop_cost
9756 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
9758 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
9760 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9762 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
9763 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
9764 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
9766 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
9768 * loop.c (insert_loop_mem): Ignore memory clobbers.
9770 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
9773 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
9775 * profile.c: Remove redundant #include "output.h".
9777 * h8300.md (HImode preinc peephole): Fix typo.
9779 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9781 * function.c (retrofit_block): Abort if we don't find a suitable insn.
9782 (insert_block_after_note): Abort if we don't have a previous block.
9783 Remove FN parameter.
9784 * function.h: Adjust.
9786 1999-12-15 Mark Mitchell <mark@codesourcery.com>
9788 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
9789 argument more than once.
9791 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9793 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
9795 1999-12-15 Jakub Jelinek <jakub@redhat.com>
9797 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
9799 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9801 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
9802 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
9803 update stack_alignment_needed.
9804 (prepare_function_start): Initialize stack_alignment_needed
9805 * function.h (struct function): Add field stack_alignment_needed.
9807 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9809 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
9810 Handle live_throughout / dead_or_set instead of live_before /
9812 (save_call_clobbered_regs): Get register livenessinformation from
9813 chain->live_throughout.
9814 (add_stored_regs): New function.
9815 (insert_restore, insert_save): Add restored / saved registers to
9817 * global.c (reg_dies): New parameter chain.
9818 (reg_becomes_live): Third parameter is regs_set now.
9819 Changed all callers.
9820 (reg_dies): New parameter chain. Changed all callers.
9821 (build_insn_chain): Set live_throughout instead of
9822 live_before / live_after.
9823 * reload.h (struct insn_chain): Replace members live_before /
9824 live_after with live_throughout / dead_or_set.
9825 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
9826 instead of live_before / live_after.
9827 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
9828 (order_regs_for_reload, find_reg, finish_spills): Likewise.
9829 (choose_reload_regs_init): Likewise.
9830 * stupid.c (current_chain, find_clobbered_regs): Delete.
9831 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
9832 instead of chain->live_before / chain->live_after.
9833 (mark_hard_ref): New function.
9834 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
9836 1999-12-15 David S. Miller <davem@redhat.com>
9838 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
9840 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9842 * flow.c (calculate_loop_depth): Make global, remove prototype,
9843 rewrite to use new loop infrastructure.
9844 (find_basic_block): Remove calculate_loop_depth call.
9845 * toplev.c (rest_of_compilation): Call find_basic_block.
9846 * output.h (calculate_loop_depth): Declare.
9848 * flow.c (dump_flow_info): Dump loop_depth.
9849 (flow_loops_nodes_find): Increase loop_depth for basic block in the
9851 (flow_loops_find): Initialize the loop_depth for each basic block.
9853 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
9855 * tree.c (decl_function_context): Handle virtual functions.
9857 * tlink.c (scan_linker_output): Don't look in demangled name when
9858 looking for linker output keywords.
9860 * dwarfout.c (output_type): We can defer namespace-scope classes.
9862 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
9864 * regclass.c (record_reg_classes): Update comment for merging
9865 register class preferences in reg->reg copies. Tighten conditions
9866 for merging register class preferences in reg->reg copies.
9868 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
9870 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
9872 1999-12-14 Geoff Keating <geoffk@cygnus.com>
9874 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
9875 (INIT_SECTION_ASM_OP): Delete.
9876 (FINI_SECTION_ASM_OP): Delete.
9877 (STARTFILE_SPEC): Define to hold just crtbegin.o.
9879 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
9881 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
9882 the abstract origin wasn't emitted.
9884 * dwarf2out.c (class_scope_p): New fn.
9885 (gen_subprogram_die): Use it.
9886 (gen_variable_die): Use it. Tweak logic.
9887 (gen_struct_or_union_type_die): Check context_die to determine
9888 if we're function-local.
9889 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
9891 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9893 * loop.c (check_dbra_loop): Can't reverse a biv that has
9896 1999-12-14 Nick Clifton <nickc@cygnus.com>
9898 * config/arm/arm.c: Add support for -mcpu=arm720 command line
9901 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9903 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
9904 for givs made from biv increments.
9906 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
9908 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
9909 * alpha.c (override_options): Recognize -mcpu=ev67.
9910 * alpha.h (CPP_CPU_EV67_SPEC): New.
9911 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
9912 (EXTRA_SPECS): Update.
9914 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
9916 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
9917 appropriate for -lang-c89 and -std=*.
9918 * cppinit.c (cpp_handle_option): Likewise.
9919 (new_pending_define): New, split out from cpp_handle_option.
9920 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
9921 or enable trigraphs for -ansi/-std=*.
9923 * ginclude/stdarg.h (__va_copy): New.
9924 (va_copy): Don't define for C89.
9926 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
9928 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
9929 for long long multiply-accumulate.
9931 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9933 * regclass.c (scan_one_insn): Set loop_cost to 1 when
9934 optimizing for size.
9936 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9938 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
9939 if something changed. Back out that part of yesterday's changes.
9941 * loop.c (loop_max_reg): New static variable.
9942 (loop_optimize): Initialize it. Eliminate one unnecessary call to
9944 (scan_loop): Call reg_scan_update whenever we may have added new
9945 registers, and update loop_max_reg.
9947 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
9949 * regclass.c (record_reg_classes): Do not do the copying preferrencing
9950 when source does not die.
9952 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
9954 1999-12-14 Jakub Jelinek <jakub@redhat.com>
9956 * config/sparc/linux64.h (TARGET_LIVE_G0,
9957 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
9959 * config/sparc/linux.h (TARGET_LIVE_G0,
9960 TARGET_BROKEN_SAVERESTORE): Likewise.
9961 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9962 TARGET_BROKEN_SAVERESTORE): Likewise.
9964 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
9965 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
9967 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
9968 as sparc64 block profiling register.
9969 * config/sparc/sparc.c (sparc_override_options): Allow block
9970 profiling with -m32.
9971 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
9973 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
9974 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
9975 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
9977 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
9979 * config/sparc/sparc.h: Likewise.
9980 * config/sparc/xm-sysv4-64.h: Likewise.
9981 * config/float-sparc.h: Likewise.
9982 * glimits.h: Likewise.
9983 * longlong.h: Likewise.
9985 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
9986 (ASM_IDENTIFY_GCC): Remove.
9988 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
9990 * combine.c (combine_simplify_rtx): Don't make shared rtl.
9991 (simplify_logical): Likewise.
9993 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
9995 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
9996 * cppfiles.c (INO_T_EQ): Likewise.
9998 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
10000 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
10001 * i386/mingw32.h (LIB_SPEC): Likewise.
10002 (STARTFILE_SPEC): Likewise.
10003 * i386/uwin.h (LIB_SPEC): Likewise.
10004 (STARTFILE_SPEC): Likewise.
10006 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
10007 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
10009 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
10011 * combine.c (combine_simplify_rtx): Fix order of checks for
10012 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
10014 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
10016 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
10017 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
10019 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
10021 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
10023 * regclass.c (inv_reg_alloc_order): New array.
10024 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
10026 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
10027 counted_for_groups, counted_for_nongroups. Add fields rld and
10029 * reload.c (push_secondary_reload): Don't set nongroup field of
10031 (push_reload): Likewise.
10032 (find_reloads): Delete code to compute nongroup fields.
10033 * reload1.c (reload_insn_firstobj): New static variable.
10034 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
10036 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
10037 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
10038 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
10040 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
10042 (struct hard_reg_n_uses): Deleted.
10043 (potential_reload_regs): Deleted.
10044 (init_reload): Initialize spilled_pseudos and pseudos_counted.
10045 (reload): Don't try to allocate reload registers if we already know
10046 we have to make another pass. Call select_reload_regs. Free memory
10047 starting with reload_firstobj when starting another pass.
10048 Don't allocate spilled_pseudos.
10049 (calculate_needs_all_insns): Call copy_reloads for an insn that
10050 needs reloads; don't call calculate_needs.
10051 (spill_cost): New static array.
10052 (used_spill_regs_local): New static variable.
10053 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
10054 to compute potential_reload_regs.
10055 (find_reload_regs): Completely rewritten to use find_reg.
10056 (allocate_reload_reg): Don't test counted_for_groups or
10057 counted_for_nongroups. Lose NOERROR arg and code to give an error;
10058 all cllers changed.
10059 (choose_reload_regs): Add fallback code that uses the existing
10060 register allocation from find_reload_regs.
10062 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
10064 * flow.c (create_edge_list): Cast xmalloc return value.
10066 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
10068 * doprnt.c: Remove incorrect comment closure.
10070 * cse.c: Fix a few minor whitespace goofs.
10072 1999-12-13 Don Bowman <don@pixstream.com>
10074 * mips/vxworks.h: Fix problem with comment termination.
10075 (EXTRA_SECTIONS): Add in_sbss.
10076 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
10078 1999-12-12 David S. Miller <davem@redhat.com>
10080 * cse.c (struct cse_reg_info): Add hash_next member,
10081 reorder rest of struct for better packing on 64-bit
10083 (cse_reg_info_tree): Kill.
10084 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
10085 REGHASH_FN): New custom pow2 hash mechanism.
10087 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
10088 use a pow2 hash table.
10089 (get_cse_reg_info): Rework to use new REGHASH.
10090 (new_basic_block): Likewise, use HASH_SIZE, and inline
10092 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
10093 and inline free_element call.
10094 (lookup_as_function, insert, flush_hash_table, invalidate,
10095 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
10096 invalidate_for_call, use_related_value, find_comparison_args,
10097 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
10098 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
10099 get_element): Kill.
10101 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
10103 * cse.c (cse_basic_block): Free qty_table consistently.
10105 1999-12-12 David S. Miller <davem@redhat.com>
10106 Jakub Jelinek <jakub@redhat.com>
10108 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
10109 SUBREGs by hand, gen the appropriate hard reg directly.
10110 (movtf reg/mem split): Likewise and alter_subreg on destination
10112 (movtf mem/reg split): Similarly.
10113 (movdf_cc_sp64): Rename from hidden pattern.
10114 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
10115 (movtf_cc_sp64, following split): New pattern and splitter.
10116 (movdf_cc_reg_sp64): Rename from hidden pattern.
10117 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
10119 (movtf_cc_reg_sp64, following split): New pattern and splitter.
10121 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
10123 * loop.c (load_mems): Don't hoist written floating point mem
10126 1999-12-12 Mark Mitchell <mark@codesourcery.com>
10128 * except.h (struct eh_queue): Add `next' pointer.
10129 (struct eh_status): Make x_ehqueue a pointer.
10130 (push_ehqueue): Declare.
10131 (pop_ehqueue): Likewise.
10132 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
10134 (expand_fixup_region_end): Likewise.
10135 (expand_leftover_cleanups): Likewise.
10136 (push_ehqueue): Define.
10137 (pop_ehqueue): Likewise.
10138 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
10139 than doing it inline.
10140 (expand_start_all_catch): Adjust now that ehqueue is a
10142 (mark_eh_queue): Mark all level of the queue.
10143 (mark_eh_status): Adjust now that ehqueue is a
10145 (init_eh_for_function): Allocate ehqueue.
10146 (free_eh_status): Free it.
10147 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
10148 expansion for a fixup.
10150 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10152 * gthr-single.h (__gthread_active_p): Add prototype arguments.
10154 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
10155 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
10156 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
10157 function_ptr, getpagesize, __enable_execute_stack,
10158 __enable_execute_stack, __clear_insn_cache,
10159 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
10160 _cleanup, _exit, __default_terminate, __terminate_func,
10161 __terminate, __empty, __throw, new_eh_context,
10162 eh_context_initialize, eh_context_static, eh_context_specific,
10163 get_eh_context, __get_eh_context, __get_eh_info,
10164 init_reg_size_table, eh_threads_initialize,
10165 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
10166 __unwinding_cleanup, throw_helper, __throw, __rethrow,
10167 __pure_virtual): Add prototype arguments.
10168 (__bb_exit_func): Cast a sizeof to long when comparing against one.
10169 Cast a signed value to unsigned long when comparing against one.
10170 (new_eh_context): Wrap in _GTHREADS macro.
10171 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
10173 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
10174 (throw_helper): Initialize variables `handler_p' and `pc_p'.
10176 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10178 * combine.c (record_promoted_value): Remove unused variable
10181 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
10183 * global.c (record_conflicts): Likewise for `j'.
10185 * genoutput.c (output_insn_data): Don't unnecessarily cast away
10188 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10190 * i386-protos.h (output_387_binary_op, output_fix_trunc,
10191 output_fp_compare): Constify a char*.
10193 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
10195 (override_options, ix86_comp_type_attributes, print_operand,
10196 output_387_binary_op, output_fix_trunc, output_fp_compare):
10198 (ix86_sched_reorder): Mark parameter `clock_var' with
10201 * i386.h (DEBUG_PRINT_REG): Constify a char*.
10203 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
10205 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
10206 operand, for use in the Java front-end.
10208 1999-12-10 Ben Collins <bcollins@debian.org>
10210 * configure.in: Fix typo for "-64" in 64bit as check.
10211 * configure: Rebuilt.
10213 1999-12-10 Jakub Jelinek <jakub@redhat.com>
10215 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
10218 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10220 * c-parse.in (string): With -Wtraditional, warn if ANSI string
10221 concatenation is utilized.
10223 * invoke.texi (-Wtraditional): Document it.
10225 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10227 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
10228 Cast a ptrdiff_t to long and pass it to printf with %ld.
10230 1999-12-10 Geoff Keating <geoffk@cygnus.com>
10232 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
10233 68881, we have no 68881 registers at all.
10234 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
10235 value in a 68881 register if it is available.
10237 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
10239 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
10240 for long long multiply-accumulate.
10242 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
10244 * loop.c (insert_loop_mem): Undo last change.
10246 1999-12-10 David S. Miller <davem@redhat.com>
10248 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
10250 * config/sparc/sparc-protos.h: Add them.
10251 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
10252 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
10253 constraints which use those helpers.
10254 (EXTRA_CONSTRAINT): Use this new macro.
10255 * md.texi: Update sparc target constraints documentation.
10256 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
10257 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
10258 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
10259 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
10260 (movsf high/lo_sum split): Rework for new patterns.
10261 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
10263 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
10265 * c-common.c (c_common_nodes_and_builtins):
10266 Create __builtin_ptrdiff_t and __builtin_size_t.
10268 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
10270 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
10272 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10274 * regclass.c (globalize_reg): Re-instate test that allows
10275 fixed registers to be declared as a variable even after functions
10278 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10280 * i386.md (cpu attribute): Add "athlon".
10281 (athlon_decode): New attribute.
10282 (Athlon scheduling units definitions): New.
10283 (fcmp and shld patterns): Set athlon_decode to "vector".
10284 * i386.c (athlon_cost): New.
10286 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
10287 x86_use_sahf): Set for Athlon.
10288 (x86_use_fiop): Unset for Athlon.
10289 (override_options): Define Athlon alignments and "athlon" name.
10290 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
10291 * i386.h (TARGET_ATHLON): New.
10292 (enum processor_type): Add PROCESSOR_ATHLON.
10293 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
10295 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
10297 1999-12-09 Andreas Jaeger <aj@suse.de>
10299 * loop.c (record_biv): Declare parameter as int.
10301 * config/i386/i386-protos.h: Declare long_memory_operand.
10303 1999-12-09 Mark Mitchell <mark@codesourcery.com>
10305 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
10306 EXPR_WITH_FILE_LOCATION.
10308 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10310 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
10313 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
10315 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
10318 1999-12-09 Jakub Jelinek <jakub@redhat.com>
10320 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
10321 default on linux64 again.
10322 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
10323 models for multilibing.
10324 * genmultilib: Accept | as alternative separator within a set in
10327 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
10329 * calls.c (precompute_arguments): Make sure initial_value contains
10330 value pseudo which CSE expects.
10331 * cse.c (struct set): New entry orig_src.
10332 (cse_insn): Set it early on entry, use it for libcall EQUIV note
10335 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
10337 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
10339 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
10341 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
10343 1999-12-08 Jakub Jelinek <jakub@redhat.com>
10345 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
10346 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
10348 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
10351 * longlong.h: Merge in changes from glibc.
10352 Also don't clobber %g2 register in 32bit SPARC assembly, so that
10353 -mno-app-regs libgcc can be compiled.
10354 * libgcc2.c: Add defines so that the updated longlong.h
10355 can be used in libgcc2.a. Also, make sure on most architectures
10356 (at least on all which have optimized code in longlong.h defined
10357 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
10359 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10361 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
10362 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
10363 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
10365 * configure: Rebuilt.
10367 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
10369 * alpha.c (secondary_reload_class): For !BWX, sub-simode
10370 outputs require a register.
10372 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
10374 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
10375 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
10376 functions like dptoul will be resolved.
10377 (libgcc2.a): Make sure that the object files from DPBIT are named
10378 differently (prefix `_dp') from those that would be coming from
10381 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
10383 * configure.in: When target is sparc* and tm_file contains 64,
10384 test for 64bit support in assembler. If not supported, remove
10385 sparc/t-sol2-64 from target-dependent Makefile fragments.
10386 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
10387 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
10388 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
10389 * acconfig.h (AS_SPARC64_FLAG): Added.
10390 * configure, config.in: Rebuilt.
10391 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
10392 support. Use AS_SPARC64_FLAG.
10394 1999-12-07 Jakub Jelinek <jakub@redhat.com>
10396 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
10397 suitable for holding OFmode values so that gcc works with complex
10399 (hard_64bit_mode_classes): Likewise.
10401 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
10402 so that it is actually matched.
10403 (sethi_di_medlow): Likewise.
10405 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
10406 as legitimate constant if -mvis.
10407 * config/sparc/sparc.md (movtf): Likewise.
10408 (clear_sf): Use const_double_operand.
10409 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
10411 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
10412 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
10413 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
10414 routines, _Qp_* cannot be handled like that now.
10415 (INIT_TARGET_OPTABS): Likewise.
10416 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
10417 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
10418 sparc_emit_float_lib_cmp if ARCH64 and soft float.
10419 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
10420 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
10421 divtf3, sqrttf3): New expanders.
10422 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
10423 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
10424 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
10427 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
10428 * configure: Rebuilt.
10429 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
10430 -mcpu is given and we're doing 64bit compiles.
10432 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
10434 * loop.h (struct induction): Add multi_insn_incr.
10435 * loop.c (basic_induction_var): New multi_insn_incr argument.
10436 Set it if we search back through previous insns for the biv.
10437 (record_biv): New multi_insn_incr argument; fill in struct induction.
10438 (strength_reduce): Discard an iv with multiple bivs, any of
10439 which require multiple insns to increment.
10441 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10443 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
10446 1999-12-06 David S. Miller <davem@redhat.com>
10448 * combine.c (check_promoted_subreg): Do not conditionalize this upon
10449 PROMOTE_FUNCTION_RETURN.
10451 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
10453 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
10454 and handle REG_UNUSED note on insn.
10456 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
10457 inner_mask instead of mask.
10459 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
10461 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
10462 zero if there was an error.
10464 1999-12-06 Jakub Jelinek <jakub@redhat.com>
10466 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
10469 * longlong.h: Fix clobbers in SPARC asm statements.
10471 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
10472 valid sethi operations when TARGET_ARCH64.
10474 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
10475 always use move_by_pieces to avoid infinite recursion.
10476 (restore_fixed_argument_area): Likewise.
10478 * combine.c (check_promoted_subreg, record_promoted_value): New
10480 (combine_instructions): Use them to retain nonzero and sign bit
10481 information after SUBREGs are eliminated by optimizations in
10482 this pass if PROMOTE_FUNCTION_RETURN.
10484 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
10485 .register declaration. Don't use variables with __ prefixes.
10487 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10489 * fold-const.c (optimize_bit_field_compare): Only use one mode
10490 for both RHS and LHS in non-constant case.
10492 1999-12-06 Nathan Sidwell <nathan@acm.org>
10494 * frame.c (start_fde_sort): Only allocate erratic array, if
10495 linear one was allocated. Return allocated flag.
10496 (fde_insert): Only insert, if there's a valid array.
10497 (fde_end_sort): Split, sort and merge if linear and erratic
10498 arrays exist, else just sort linear one.
10499 (search_fdes): New function. Linear search through original fde
10501 (frame_init): Permit multiple initializations. Cope with
10503 (find_fde): Fallback on linear search, if failed to sort array.
10504 (__deregister_frame_info): Only free sorted array, if we
10507 1999-12-06 Jakub Jelinek <jakub@redhat.com>
10509 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
10511 1999-12-05 Jakub Jelinek <jakub@redhat.com>
10513 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
10515 1999-12-05 Mark Mitchell <mark@codesourcery.com>
10517 * tree.h (special_function_p): Declare.
10518 * calls.c (special_function_p): Make it global. Don't take `name'
10519 as a parameter. Fix typo in 1999-11-28 change.
10520 (expand_cal): Adjust.
10522 1999-12-04 Mark Mitchell <mark@codesourcery.com>
10524 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
10525 * tree.h (EXPR_WFL_FILENAME): Define in terms of
10526 EXPR_WFL_FILENAME_NODE.
10527 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
10529 * print-tree.c (print_note): Print TREE_PRIVATE and
10532 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
10533 the original die cannot be found.
10535 * varray.h (varray_head_tag): Add elements_used.
10536 (VARRAY_PUSH): New macro.
10537 (VARRAY_POP): Likewise.
10538 (VARRAY_TOP): Likewise.
10539 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
10541 * varray.c (varray_init): Initialize elements_used.
10542 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
10543 (INTEGRATE_H): New variable.
10544 (integrate.o): Depend on INTEGRATE_H.
10545 (unroll.o): Likewise.
10547 * function.h (insert_block_after_note): Declare.
10548 * function.c (insert_block_after_note): Split out from ...
10549 (retrofit_block): ... here.
10551 * stmt.c (expand_fixup): Fix typo in comment.
10553 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10555 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
10556 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
10557 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
10558 (regmove_optimize, fixup_match_1): Likewise.
10560 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10562 * flow.c (flow_loops_dump): Add missing argument when calling
10563 flow_loop_nested_p.
10565 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
10566 Greg McGary <gkm@gnu.org>
10568 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
10569 (init_attributes): Add A_NO_LIMIT_STACK.
10570 (decl_attributes): Handle A_NO_LIMIT_STACK.
10571 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
10572 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
10573 Handle stack bounds checking.
10574 * flags.h (flag_stack_check): Use the word 'probe' rather than
10575 'check', because the flag doesn't actually cause any checking to
10577 * function.c (expand_function_start): Set
10578 current_function_limit_stack.
10579 * function.h (struct function): Add limit_stack.
10580 (current_function_limit_stack): Define.
10581 * invoke.texi (Code Gen Options): Document new options.
10582 * rtl.h: Declare stack_limit_rtx.
10583 * toplev.c (stack_limit_rtx): New variable.
10584 (decode_f_option): Handle new options -fstack-limit-register=REG,
10585 -fstack-limit-symbol=IDENT, -fno-stack-limit.
10586 (main): Add stack_limit_rtx as GC root.
10587 * tree.h (DECL_NO_LIMIT_STACK): New macro.
10588 (struct tree_decl): New member no_limit_stack.
10590 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
10592 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
10593 (conditional_trap+1): Get new mnemonic correct.
10594 (conditional_trap+2): New pattern for DImode traps.
10596 * config/m68k/m68k.c (output_function_prologue): Handle
10598 * config/m68k/m68k.md (trap): New insn.
10599 (conditional_trap): New insn.
10600 * md.texi (Standard Names): Document `trap' and
10601 `conditional_trap'.
10602 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
10603 so a cc0 setter doesn't get emitted at some random place in the
10606 * config/i960/i960.md (trap): New insn.
10607 (conditional_trap): New expander.
10608 (conditional_trap+1, conditional_trap+2): New insns for signed
10609 and unsigned cases.
10610 * config/i960/i960.c (i960_function_prologue): Use
10611 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
10613 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
10614 Geoffrey Keating <geoffk@cygnus.com>
10616 * flags.h (warn_padded, warn_packed): Add global var decls.
10617 * toplev.c (warn_padded, warn_packed): Add global var defns.
10618 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
10619 * stor-layout.c (layout_record): Add local variable `type'
10620 to hold often-used TREE_TYPE (field). Add local variable
10621 `unpacked_align' to hold alignment that would be in force
10622 if no `packed' attribute were present. Warn if `packed' attribute
10623 is unnecessary, or even harmful. Warn when gcc inserts padding
10624 to satisfy alignment requirements of members. Use NULL_TREE
10625 when checking whether var_size is set.
10626 * invoke.texi: Document new flags.
10628 1999-12-03 Nathan Sidwell <nathan@acm.org>
10630 * frame.c (fde_split): Reimplement to avoid variable sized array.
10632 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10634 * combine.c (try_combine): Before fixing up LOG_LINKS for the
10635 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
10637 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
10639 * invoke.texi: Document the mips option -mno-crt0
10641 1999-12-02 Mike Karr <mkarr@mathworks.com>
10643 * cccp.c (argdata): Added free_ptr member.
10644 (macroexpand): Initialize free_ptr of each argument. When an
10645 argument's buffers are freed, if the argument's free_ptr corresponds
10646 to a buffer on the input stack, then return the free_ptr to that stack
10647 frame, otherwise, free it.
10648 (macarg): If an argument begins and ends on the same input stack level,
10649 then transfer the free_ptr of that buffer to the argument in case
10650 the stack is popped during the processing of a subsequent argument.
10652 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
10654 * loop.c (note_reg_stored): New function.
10655 (struct note_reg_stored_arg): New structure.
10656 (try_copy_prop): Change to be more conservative; only replace within
10657 one extended basic block and stop replacing if a store to the
10658 replacement reg is seen.
10660 1999-12-02 Nick Clifton <nickc@cygnus.com>
10662 * config/fp-bit.c: Initialise all fields of the NAN
10665 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
10668 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
10670 * i386.md (extend?f?f2): Force the input into a register, not
10673 1999-12-01 Jakub Jelinek <jakub@redhat.com>
10675 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
10677 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
10678 alternative because setting up 64bit constant is usually costly,
10679 especially when reload is in progress or completed.
10680 (movdf_const_intreg_sp64): Likewise.
10681 (movdf_const_intreg split): Fix building up constants when
10682 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
10684 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
10686 * combine.c (if_then_else_cond): Use const_true_rtx instead of
10687 const1_rtx for return values in EQ/NE comparison against (const_int 0)
10690 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
10691 (asm_file_start): Emit .am33 into assembly file when compiling for
10693 (print_operand_address): Handle POST_INC addresses.
10694 (can_use_return_insn, initial_offset): Check AM33 registers too.
10695 (expand_prologue): Check & save AM33 registers too.
10696 (expand_epilogue): Similarly.
10697 (secondary_reload_class): Handle AM33 specific secondary reloads.
10698 (output_tst): Emit efficient code for the AM33 too.
10699 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
10700 (TARGET_SWITCHES): Add -mam33 switch.
10701 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
10702 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
10703 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
10704 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
10705 (enum reg_class, REG_CLASS_NAMES): Likewise.
10706 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
10707 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
10708 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
10709 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
10710 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
10711 (HAVE_POST_INCREMENT): Define.
10712 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
10713 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
10714 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
10715 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
10716 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
10717 (zero_extend to SI from QI/HI): Likewise.
10718 (sign_extend to SI from QI/HI): Likewise.
10719 (mulsidi3, umulsidi3): New patterns for the AM33.
10720 (tstsi with zero extension from QI/HI): Add AM33 variants.
10721 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
10722 (return_internal_regs, store_movm): Handle new AM33 registers.
10723 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
10724 (LIBGCC, INSTALL_LIBGCC): Likewise.
10725 * invoke.texi: Document new flags.
10727 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
10729 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
10730 (addsi3_carry): Likewise.
10731 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
10732 (sbbsi3_carry): Likewise.
10733 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
10734 (mulhi3): Likewise.
10735 (test?i_1): Ensure that only one operand is memory.
10736 (conditional move patterns): likewise.
10737 (shift and rotate patterns): Rewrite to expander, add
10738 "binary_operator_ok" to the condition.
10740 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
10741 * i386.h (procesor_costs): Add movzbl_load field.
10742 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
10743 non-Q registers, accept DImode registers anywhere.
10745 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
10746 * i386.c (*_cost): Set value for movxbl_load field.
10748 * (addsi): New add to lea splitter.
10749 (ashlsi): Likewise.
10750 (lea to add/shift peep2): New.
10752 1999-12-01 Mark Salter <msalter@cygnus.com>
10754 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
10755 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
10756 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
10758 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
10760 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
10761 * i386.md (movsi_xor): New.
10763 (movsi_1, movhi_1, movqi_1): Remove.
10764 (movsi_2): Rename to movsi_1.
10765 (movhi_2): Rename to movhi_1.
10766 (movqi_2): Rename to movqi_1.
10767 (movdi_1): Remove; remove splitter.
10768 (movdi_2): Rename to movdi_1.
10769 (divmodsi4 splitter): Do not emit clobbers for move patterns.
10770 (long move peep2): Do not create QI or HI mode mov0s
10771 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
10773 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
10776 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
10777 (abs?f2_if): Likewise.
10779 1999-11-30 Alex Samuel <samuel@codesourcery.com>
10781 * ggc.h (ggc_test_and_set_mark): New macro.
10782 (ggc_mark_rtx): Use ggc_test_and_set_mark.
10783 (ggc_mark_tree): Likewise.
10784 (ggc_mark_rtvec): Likewise.
10785 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
10787 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
10789 * dwarf2out.c (scope_die_for): Only handle types. Only search for
10791 (decl_scope_table): Just an array of trees now.
10792 (push_decl_scope): Simplify.
10793 (dwarf2out_init): Adjust.
10794 (local_scope_p): New fn.
10795 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
10796 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
10797 (gen_typedef_die): Likewise.
10798 (gen_lexical_block_die): Don't call push/pop_decl_scope.
10799 (gen_inlined_subroutine_die): Likewise.
10800 (gen_abstract_function): Set current_function_decl temporarily.
10801 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
10802 Handle block extern declarations. Don't call push/pop_decl_scope.
10803 (gen_decl_die): Fix logic for block externs.
10805 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10807 * calls.c (special_function_p): Remove `realloc' and add `strdup'
10808 to the list of functions which have attribute malloc by default.
10810 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10812 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
10813 integer constant does not match the traditional type, limit the
10814 warnings to cases where the base of the type is ten.
10816 * invoke.texi (-Wtraditional): Document it.
10818 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10820 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
10821 * rs6000.md: Only access a CONST_INT with INTVAL
10823 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
10825 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
10826 (compute_nearerout): Likewise.
10827 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
10828 size_t to unsigned long for formatting.
10830 1999-11-30 Jakub Jelinek <jakub@redhat.com>
10832 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
10833 Allow the user to override call-used/fixed state of %g2-5
10834 registers from the command line (with the exception of %g4 for
10836 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
10837 there is a higher chance of having a leaf function.
10838 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
10839 for ARCH64 which has %ccr register.
10840 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
10842 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
10843 insn accept into delay slot any insn which does not use %[ol]
10844 registers. Accept some LO_SUM and shift left by 1 for the normal
10846 (output_function_epilogue): Likewise.
10847 (epilogue_renumber): Added argument which inhibits any renumbering
10848 and just tests if the rtx does not use any %[ol] registers.
10849 (output_return): Reflect above change.
10851 1999-11-30 Jakub Jelinek <jakub@redhat.com>
10853 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
10854 aggregate passing for sizes <= 16 bytes.
10856 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
10858 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
10859 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
10860 * reload.c (find_dummy_reload): Likewise.
10861 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
10862 * reload1.c (reload_as_needed): Likewise.
10863 * stupid.c (stupid_find_reg): Likewise.
10864 * tm.texi (Obsolete Register Macros): Delete section.
10865 * gmicro.h: Remove all traces of the two macros.
10866 * i386.h: Likewise.
10867 * m88k.h: Likewise.
10868 * mips.h: Likewise.
10870 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
10872 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
10873 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
10874 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
10875 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
10876 units for the sparclite86x chip.
10877 (flush): Revert October 14th change; add SImode specifically.
10878 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
10879 * invoke.texi: Document it.
10881 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
10883 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
10884 psimode_truncation_operand.
10886 * config/mn10200/mn10200.c (psimode_truncation_operand): New
10887 function. Return true if the operand is either a MEM valid
10888 for a PSImode address or not a MEM at all.
10890 * config/mn10200/mn10200.md (truncsipsi2): Use
10891 psimode_truncation_operand.
10893 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10895 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
10896 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
10897 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
10898 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
10899 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
10900 (flow_loop_level_compute, low_loops_level_compute): Likewise.
10901 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
10902 * basic-block.h: Protect from multiple inclusion.
10903 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
10904 (struct loops, struct loop): Define structures.
10905 * sbitmap.c (sbitmap_a_subset_b_p): New function.
10906 * sbitmap.h: Protect from multiple inclusion.
10907 (sbitmap_a_subset_b_p): Add prototype.
10908 * Makefile.in (LOOP_H): New macro.
10909 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
10911 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
10913 * cppinit.c (CAT): The argument list of this macro may not contain
10916 1999-11-29 David S. Miller <davem@redhat.com>
10918 Move quantity tables and register equivalence chains into
10919 per-qty and per-register structure arrays respectively.
10920 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
10921 qty_const_insn, qty_comparison_code, qty_comparison_const,
10922 qty_comparison_qty): Delete, replace with...
10923 (qty_table): this structure table.
10924 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
10925 (reg_eqv_table): this structure table.
10926 (make_new_qty): Add argument MODE. Caller updated.
10927 Update to use qty_table and reg_eqv_table.
10928 (make_regs_eqv, delete_reg_equiv, insert_regs,
10929 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
10930 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
10931 cse_process_notes, cse_main, cse_basic_block): Likewise.
10933 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10935 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
10936 operation if C is negative.
10937 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
10938 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
10939 law for some divisions if constant is negative and change other
10940 divisions to the opposite rounding.
10942 * expr.c (store_constructor_field): If bit position is not multiple
10943 of alignment of TARGET's mode, use BLKmode.
10945 * expr.c (expand_expr_unaligned): Add more code from full case
10946 that is needed when OP0 is in a register.
10948 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10950 * dwarfout.c (field_byte_offset): Size can be zero if there was
10953 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
10955 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
10956 (associate_trees): Delete unused var TEM.
10957 (extract_muldiv): Delete unused var CANCEL_P.
10959 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
10960 (target_isinf, target_isnan, target_negative): Add return types to
10961 function definitions.
10963 1999-11-29 Bruce Korb <autogen@linuxbox.com>
10965 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
10966 * fixinc/hackshell.tpl: ditto
10967 * fixinc/fixtests.c(double_slash_test): more C++ header testing
10968 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
10970 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
10972 * reload.c (push_reload): When looking for a register to put into
10973 reg_rtx, make sure all hard regs in a multi-reg register are in the
10974 right class and nonfixed.
10976 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
10977 pending_read_insns, pending_write_insns, pending_read_mems,
10978 pending_write_mems, pending_list_length, last_pending_memory_flush,
10979 last_function_call, sched_before_next_call): Move static variables
10981 (bb_ prefixed versions): Replace with single array bb_deps.
10982 (struct deps): New structure.
10983 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
10984 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
10985 argument of type "struct deps *"; use that instead of global
10986 variables. All callers changed.
10987 (init_rgn_data_dependencies): Delete function.
10988 (init_rtx_vector): Delete function.
10989 (init_deps): New function.
10991 (free_pending_lists): Simplify, we always use the bb_deps array even
10992 if only one basic block.
10993 (compute_block_backward_dependences): Likewise.
10994 (schedule_region): Likewise.
10996 (propagate_deps): New function, broken out of
10997 compute_block_backward_dependences.
10998 (compute_block_backward_dependences): Use it.
11000 * alpha.md: Delete useless patterns that tried to work around
11001 register elimination problems.
11003 * unroll.c (loop_iterations): Don't abort if iteration variable
11006 From Joern Rennecke:
11007 * reload1.c (reloads_conflict): Reverse test comparing operand
11008 numbers when testing for conflict between output/outaddr reloads.
11010 1999-11-29 David S. Miller <davem@redhat.com>
11012 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
11014 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
11016 1999-11-28 Robert Lipe <robertl@cygnus.com>
11018 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
11019 table from .fini into .dtor.
11021 1999-11-28 Anthony Green <green@cygnus.com>
11023 * tree.h (struct tree_decl): Add malloc_flag.
11024 (DECL_IS_MALLOC): Define.
11025 * c-common.c (attrs): Add A_MALLOC attribute.
11026 (init_attributes): Add this attribute to the table.
11027 (decl_attributes): Handle malloc attribute.
11028 * calls.c (special_function_p): Check for the malloc attribute.
11029 * extend.texi (Function Attributes): Document malloc attribute.
11031 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
11033 * pa.md (reload shift-add patterns): Remove.
11035 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11037 * reorg.c (dbr_schedule) Print more statistics. Corrected
11038 problem when printing info when 3 delay slots are filled.
11040 1999-11-28 Jakub Jelinek <jakub@redhat.com>
11042 * combine.c (setup_incoming_promotions): Pass an outgoing
11043 regno to FUNCTION_ARG_REGNO_P which it expects.
11045 1999-11-28 Andreas Jaeger <aj@suse.de>
11047 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
11049 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
11051 * cccp.c (do_include): Avoid initialization of automatic variable.
11053 * integrate.c (mark_stores): Function definition made void, to match
11054 previous declaration.
11055 * regclass.c (dump_regclass): Ditto.
11056 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
11058 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11060 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
11061 known to be multiple of divisor.
11063 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
11065 * combine.c (try_combine): Add code to try to merge a set of a
11066 two-word pseudo to a constant with a setting of one of those words
11069 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
11070 (split_tree): Completely rework to make more general.
11071 (make_range, fold): Call negate_expr.
11072 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
11073 (fold, associate): Call new split_tree and associate_trees.
11074 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
11076 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
11078 * loop.c (try_copy_prop): Avoid GNU C extension.
11080 1999-11-25 Mark Mitchell <mark@codesourcery.com>
11082 * except.c (init_eh_for_function): Still zero eh_return_context,
11083 eh_return_stack_adjust, and eh_return_handler.
11085 * except.h (eh_status): Adjust documentation for x_protect_list.
11086 (begin_protect_partials): New function.
11087 * except.c (enqueue_eh_entry): Fix formatting.
11088 (get_first_handler): Add consistency check.
11089 (add_partial_entry): Adjust usage of protect_list.
11090 (emit_cleanup_handler): Save and restore ehqueue.
11091 (expand_start_all_catch): Add comment.
11092 (begin_protect_partials): New function.
11093 (end_protect_partials): Adjust usage of protect_list.
11094 (init_eh_for_function): Use xcalloc.
11096 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11098 * c-common.c (check_format_info): Don't call a variadic function
11099 with a non-literal format string.
11101 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
11103 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
11104 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
11107 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
11110 * collect2.c (collect_wait): Likewise.
11112 * dbxout.c (dbxout_type): Likewise.
11114 * gcc.c (do_spec_1): Likewise.
11116 * genemit.c (gen_insn, gen_expand): Likewise.
11118 * genrecog.c (write_switch, write_subroutine): Likewise.
11120 * mips-tfile.c (catch_signal, botch): Likewise.
11122 * print-rtl.c (print_rtx): Likewise.
11124 * toplev.c (default_print_error_function, report_error_function,
11125 _fatal_insn): Likewise.
11127 1999-11-25 Mark Mitchell <mark@codesourcery.com>
11129 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
11131 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11133 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
11134 operations when needed.
11135 * i386.md (fop_?f_comm): New.
11136 (fop_?f_1): Do not accept commutative operands.
11138 1999-11-25 Andreas Jaeger <aj@suse.de>
11140 * config/mips/mips.md (casesi_internal): Add missing brace.
11142 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
11144 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
11145 (splice_child_die): Handle moving a child DIE from the declaration
11146 DIE of a class to its specification.
11147 (gen_struct_or_union_type_die): Use 'complete' consistently.
11148 (gen_decl_die): Generate the virtual context DIE first.
11149 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
11151 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
11153 * config/mips/mips.md (call_value_multiple_interanal1): New.
11155 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
11157 * dwarf2out.c (free_AT, free_die): New fns.
11158 (remove_children): Call them.
11159 (output_line_info): Disable removal of duplicate notes.
11161 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
11162 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
11163 means pretend the type isn't defined.
11164 Don't defer emitting types.
11165 (gen_type_die_for_member): New fn.
11166 (gen_decl_die): Call it.
11167 (splice_child_die): New fn.
11168 (gen_member_die): Call it rather than generate duplicate dies.
11170 Defer emitting information for the abstract instance of an inline
11171 until we either inline it or emit an out-of-line copy.
11172 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
11173 from output_inline_function if DECL_ABSTRACT is also set.
11174 (block_ultimate_origin): Likewise.
11175 (gen_abstract_function): New fn.
11176 (gen_decl_die, gen_inlined_subroutine_die): Call it.
11177 (gen_subprogram_die): An abstract instance is not a declaration
11178 just because it doesn't match current_function_decl. Don't abort
11179 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
11180 has an abstract origin.
11181 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
11182 abstract instance here.
11184 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
11186 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
11187 where we need to reload fpul from a system register.
11189 1999-11-24 Andreas Jaeger <aj@suse.de>
11191 * config/mips/linux.h (CPP_PREDEFINES): Added.
11192 (LINK_SPEC): Remove -Y since this is only needed on sparc.
11194 1999-11-24 Andreas Jaeger <aj@suse.de>
11196 * config/mips/linux.h (TARGET_VERSION): Added.
11197 (HANDLE_SYSV_PRAGMA): Added.
11198 (DEFAULT_VTABLE_THUNKS): Added.
11200 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11202 * local-alloc.c (qty): New structure and static variable.
11203 (qty_phys_reg): Remove, all references changed to qty.
11204 (qty_n_refs): Likewise.
11205 (qty_min_class): Likewise.
11206 (qty_birth): Likewise.
11207 (qty_death): Likewise.
11208 (qty_size): Likewise.
11209 (qty_mode): Likewise.
11210 (qty_n_calls_crossed): Likewise.
11211 (qty_alternate_class): Likewise.
11212 (qty_changes_size): Likewise.
11213 (qty_first_reg): Likewise.
11214 (alloc_qty): Rename variable QTY to QTYNO.
11215 (finf_free_reg): Likewise.
11216 (local_alloc): Allocate qty, do not allocate the removed variables.
11218 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
11220 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
11221 when -membedded-pic is passed.
11223 * config/mips/mips.md (casesi): Handle 64-bit case too.
11224 (casesi_internal_di): New insn.
11226 * config/mips/mips.c (embedded_pic_offset): Always make the
11227 embedded-pic subtractions relative to the name of the current
11228 function by use of the magic string "..CURRENT_FUNCTION".
11229 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
11231 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
11233 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
11234 of (const_int 0), when what we really care about is
11235 whether it's a zero constant anyway.
11236 (div_trap_mips16): Likewise.
11238 1999-11-23 Mark Mitchell <mark@codesourcery.com>
11240 * loop.c (loop_optimize): Always find_loop_tree_blocks and
11241 unroll_block_trees when generating debuggable code.
11243 * tree.h (unsave_expr_1): New function.
11244 (lang_unsave): New variable.
11245 (get_callee_fndecl): New function.
11246 * tree.c (unsave_expr_now_r): New function.
11247 (lang_unsave): Define.
11248 (unsave_expr_1): Likewise.
11249 (unsave_expr_now_r): Split out from unsave_expr_now.
11250 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
11251 call unsave_expr_now_r.
11252 (get_callee_fndecl): Define.
11254 * Makefile.in (gencheck): Don't depend on lang_tree_files.
11255 (gencheck.o): Do depend on lang_tree_files.
11257 * integrate.h (copy_decl_for_inlining): New declaration.
11258 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
11259 (copy_decl_for_inlining): New function.
11260 (integrate_parm_decls): Use it.
11261 (integrate_decl_tree): Likewise.
11263 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
11265 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
11266 the second two from the first.
11267 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
11268 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
11269 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
11271 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
11272 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
11275 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
11277 * pa.md (call_internal_symref, call_value_internal_symref): No mode
11278 needed on the address operand.
11279 * pa.c (call_operand_address): Check for the correct mode.
11281 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
11283 * loop.c: Include "basic-block.h".
11284 (try_copy_prop, replace_loop_reg): New functions.
11285 (load_mems): Detect registers that just hold copies of the hoisted
11286 mem, and call try_copy_prop to eliminate them.
11287 * Makefile.in (loop.o): Update dependencies.
11289 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
11291 * Makefile.in (gencheck.o): Depend on gencheck.h.
11292 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
11293 (insn-peep.o): Depend on except.h and function.h.
11294 (insn-attrtab.o): Depend on RECOG_H.
11295 (insn-output.o): Depend on toplev.h and flags.h.
11296 (gengenrtl.o): Depend on real.h.
11297 (gen-protos.o): Depend on cpplib.h and cpphash.h.
11298 Unify all dependencies to be on RECOG_H rather than recog.h.
11300 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11302 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
11303 * configure.in: Try building a bi-arch 32/64-bit compiler on
11304 sparc-*-solaris2.7 and higher.
11305 * configure: Rebuild.
11307 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
11309 * config/freebsd.h: New, FreeBSD architecture independent file.
11310 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
11311 independent pieces.
11312 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
11313 directly by i386/freebsd.h.
11314 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
11315 independent configuration file.
11316 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
11317 directly by i386/freebsd.h.
11318 * configure: Rebuilt.
11320 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
11321 which is in the user's namespace.
11322 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
11323 `i386' which is not in our namespace.
11325 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
11327 * invoke.texi (ARM Options): Add in -mno-alignment-traps
11329 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
11331 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
11332 (add_dwarf_attr, add_child_die): Just push onto the front.
11333 (reverse_die_lists): New fn.
11334 (add_sibling_attributes): Use it.
11335 (push_decl_scope): Reorganize.
11336 (add_name_and_src_coords_attributes): Don't set file and line for
11337 an artificial decl.
11338 (gen_subprogram_die): An artificial function doesn't need to match
11340 (gen_compile_unit_die): Return the generated die. Only add
11341 AT_comp_dir if the filename is relative.
11342 (remove_AT): Simplify loop. Also free string values.
11343 (output_die): A DIE ref can't be null.
11344 (output_value_format, value_format): Take a dw_attr_ref.
11345 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
11346 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
11347 AT_addr, AT_lbl): New fns.
11348 (various): Use them.
11349 (various): Constify.
11351 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11353 * combine.c (combine_simplify_rtx): When handling a SUBREG,
11354 take SUBREG_WORD into account.
11355 (if_then_else_cond): Likewise.
11357 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
11359 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
11360 clause from BSD license, pursuant with
11362 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
11364 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
11366 * loop.c (load_mems): Reformat slightly.
11367 * basic-block.h (regset_head): New typedef.
11368 (INIT_REG_SET): New macro.
11370 1999-11-22 Bruce Korb <autogen@linuxbox.com
11372 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
11373 (mips-dec-bsd*): non-functional code
11374 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
11376 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
11377 added three replacement fixes
11378 (no_double_slash): removed comments that are not (any longer) pertinent
11379 (bad_lval): this fix currently runs against many files.
11380 The comment seems to indicate that we should select for files
11381 containing 'pragma extern_prefix'.
11383 * fixinc/fixinc.x86-linux-gnu: deleted
11384 * fixinc/inclhack.sh: regen
11385 * fixinc/fixincl.x: regen
11386 * fixinc/fixincl.sh: regen
11388 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
11390 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
11391 its code is INSN and it has no notes.
11393 1999-11-22 Andrew Haley <aph@cygnus.com>
11395 * varasm.c (function_defined): Remove.
11396 (make_function_rtl): Don't set function_defined.
11397 (make_decl_rtl): Remove global register warning.
11398 * regclass.c (no_global_reg_vars): New variable.
11399 (globalize_reg): Warn if function has already been defined.
11400 (regclass_init): Set no_global_reg_vars.
11402 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11404 * regclass.c (reg_pref): New structure and static variable
11405 (prefclass): Delete.
11406 (altclass): Delete.
11407 (all uses of prefclass and altclass): Use reg_pref instead.
11409 1999-11-21 Nick Clifton <nickc@cygnus.com>
11411 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
11413 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
11414 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
11415 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
11417 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
11419 * varasm.c (output_constructor): Solve problem with long long
11420 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
11422 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11424 * global.c (allocno): New structure and static variable.
11425 (allocno_reg): Remove, all references replaced by allocno.
11426 (allocno_size): Likewise.
11427 (hard_reg_conflicts): Likewise.
11428 (hard_reg_preferences): Likewise.
11429 (hard_reg_copy_preferences): Likewise.
11430 (hard_reg_full_preferences): Likewise.
11431 (regs_someone_prefers): Likewise.
11432 (allocno_calls_crossed): Likewise.
11433 (allocno_n_refs): Likewise.
11434 (allocno_live_length): Likewise.
11435 (find_reg): Rename ALLOCNO to NUM.
11437 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
11438 references updated.
11439 (may_move_out_cost): New variable.
11440 (init_reg_sets_1): Initialize may_move_out_cost.
11441 (record_reg_classes): Use may_move_out_cost.
11443 * regclass.c (dump_regclass): New function.
11444 (regclass): New parameter DUMP, call DUMP_REGCLASS.
11445 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
11446 pass rtl_dump_file to regclass.
11447 * rtl.h (regclass): Update prototype.
11449 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11451 * i386.md (neg, not and abs patterns): Revmap to use
11452 ix86_expand_unary_operator and ix86_unary_operator_ok.
11453 (add?f and sub?f expanders): Force operand 1 to register.
11454 * i386.c (ix86_expand_unary_operator): Rewrite.
11455 (ix86_unary_operator_ok): Ensure that memory operands
11457 (ix86_binary_operator_ok): Do not allow operand 1 to
11458 come into memory and operand 0 not.
11459 (ix86_expand_binary_operator): Ensure that
11460 src1 is not non-matching memory.
11462 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
11463 to support integer registers and memory.
11464 (abss?2_integer): Likewise.
11466 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
11467 (REG_CLASS_NAMES): Likewise.
11468 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
11470 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
11471 (movsf): Likewise; unify 4th and 5th alternative.
11472 (pushdf): Likewise.
11473 (movdf_1): Likewise; rename to movdf_integer.
11474 (pushxf): Likewise; rename to pushxf_integer; fix output template;
11475 remove redundant splitter.
11476 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
11477 (movdf_nointeger): New.
11478 (movxf_nointeger): New.
11479 (pushxf_nointeger): New.
11481 * i386.md (extend?f?f): Split to expander and pattern, refuse two
11482 memory operands in patterns.
11483 (fop*): Refuse two memory operands.
11485 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
11486 on !TARGET_USE_CLTD CPUs.
11488 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
11490 * extend.texi: Document C++ restricted pointers and references.
11492 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
11494 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
11495 (invalidate_skipped_set): Call it unconditionally.
11496 (cse_set_around_loop): Likewise.
11498 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
11500 * rtl.texi (mem): Add documentation for alias-set argument
11503 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11505 * i386.h (struct_processor_costs): New fields int_load, int_store,
11506 fp_move, fp_load and fp_store
11507 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
11509 (MEMORY_MOVE_COST): New macro.
11510 * i386.c (386_cost): Define new fields.
11511 (i486_cost): Likewise.
11512 (pentium_cost): Likewise.
11513 (pentiumpro_cost): Likewise.
11514 (k6_cost): Likewise.
11516 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
11517 Geoffrey Keating <geoffk@cygnus.com>
11519 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
11521 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
11524 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
11525 (TARGET_STRICT_ALIGNMENT): New macro.
11526 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
11527 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
11528 * invoke.texi (M680x0 Options): Document -mstrict-align.
11530 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
11531 Richard Henderson <rth@cygnus.com>
11533 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
11534 (ix86_split_long_move): Declare.
11535 * i386.c (split_xf, ix86_split_movdi): Remove.
11536 (ix86_split_to_parts, ix86_split_long_move): New.
11537 * i386.md (dimode move splitters): Use ix86_split_long_move.
11538 (dfmode move splitters): Likewise.
11539 (xfmode move splitters): Likewise.
11540 (movsf_1): Allow F->r.
11541 (movdf_1, movxf_1): Allow F->ro.
11543 1999-11-17 Mark Mitchell <mark@codesourcery.com>
11545 * except.h (struct eh_entry): Add goto_entry_p.
11546 (eh_region_from_symbol): Remove prototype.
11547 * except.c (find_func_region_from_symbol): New function.
11548 (emit_cleanup_handler): Likewise.
11549 (eh_region_from_symbol): Make it static.
11550 (add_new_handler): Verify the argument.
11551 (find_func_region): Update comment.
11552 (expand_eh_region_end): Expand handlers here, rater than waiting
11553 until expand_leftover_cleanups or start_all_catch.
11554 (expand_leftover_cleanups): Don't expand here.
11555 (expand_start_all_catch): Or here.
11556 (expand_rethrow): Check the return value from find_func_region.
11557 * function.c (expand_function_end): Emit the catch_clauses.
11559 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
11561 * integrate.c (expand_inline_function): Add necessary check for NULL.
11563 1999-11-18 Nick Clifton <nickc@cygnus.com>
11565 * toplev.c (main): Correctly detect an unrecognised option.
11567 * cppinit.c (cpp_handle_option): Do not claim to have consumed
11568 a -f option if it has not been recognised.
11570 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
11572 * basic-block.h (update_life_extent): Remove trailing comma on
11573 enumeration type list.
11575 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11577 * varasm.c (output_constructor) Solved problem with long long
11578 bitfields. Corrected calculating this_time and shift. Also
11579 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
11581 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
11583 * flow.c (split_edge): Take looping structure into account when
11584 determining where to put the new block note.
11586 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
11588 * Makefile.in (ggc-none.o): Provide host specific version if
11591 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
11593 * cse.c (delete_trivially_dead_insns): Identify no-op insns
11594 containing subregs too.
11596 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
11598 * invoke.texi: Add documentation for -muninit-const-in-rodata.
11599 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
11600 (TARGET_UNINIT_CONST_IN_RODATA): Define.
11601 (text_section): Add switches -munint-const-in-rodata and
11602 -mno-uninit-const-in-rodata.
11603 (ASM_OUTPUT_COMMON): Remove.
11604 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
11605 const objects should be placed in read-only data. Otherwise declare
11608 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
11610 * jump.c (jump_optimize_1): Revert last change.
11612 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
11614 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
11615 test if optimizing for size.
11617 1999-11-17 Mark Mitchell <mark@codesourcery.com>
11619 * Makefile.in (toplev.o): Depend on except.h.
11620 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
11622 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
11624 * i386.md (divmodsi4): Rewrite to expander.
11625 (*divmodsi4_nocltd): New.
11626 (*divmodsi4_cltd): New.
11627 (divmodsi4 splitter): Handle the case when input comes in edx.
11628 (udivmodhi4): Do not use constraints in exander.
11629 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
11631 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
11633 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
11634 for the common case.
11636 1999-11-16 Jakub Jelinek <jakub@redhat.com>
11638 * explow.c (hard_function_value): Add outgoing argument.
11639 * expr.h (hard_function_value): Declare it.
11640 * calls.c (expand_call, emit_library_call_value): Update callers.
11641 * function.c (aggregate_value_p): Ditto.
11642 (diddle_return_value): Must look at the outgoing registers
11643 on archs with register windows.
11645 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
11647 * alpha.c (alpha_build_va_list): Use make_lang_type and
11648 initialize TYPE_NAME for the va_list record.
11650 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
11652 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
11654 * ggc.h (struct ggc_statistics): Rearrange elements for better
11655 packing on 64-bit hosts.
11656 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
11657 (compute_nearerout): Likewise.
11659 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
11661 * config/rs6000/rs6000.c (first_reg_to_save): Save
11662 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
11664 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
11666 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
11667 notion of nesting to find the DIE for a type or function.
11668 DIEs can go in limbo even if we got a context_die.
11669 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
11670 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
11672 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
11673 (gen_type_die): Writing out the context doesn't cause member class
11674 template instantiations to be written out as well.
11676 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
11678 * rs6000.h (ASM_OUTPUT_DEF): New.
11679 Based on proposed addition from David Edelsohn.
11681 1999-11-15 Robert Lipe <RobertLipe@usa.net>
11682 Bruce Korb <autogen@linuxbox.com>
11684 * fixinc/inclhack.def
11685 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
11686 (unixware7_byteorder_fix): added. Removes conflicts for new defs
11688 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
11689 (svr4_endian): enabled with SVR5
11690 (svr4_mkdev): simplified syntax and enabled with SVR5
11692 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
11694 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
11695 * configure: Rebuilt.
11696 * config/t-freebsd-thread: New file.
11698 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
11700 * i386.c (ix86_decompose_address): Verify the base is a REG
11701 before trying to examine its register number.
11703 * basic-block.h: Remove all #defines and prototypes related to
11705 (free_bb_mem, compute_preds_succs): Remove prototype.
11706 * rtl.h (free_bb_mem): Remove prototype.
11707 * flow.c (alloc_int_list_node); Remove function.
11708 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
11709 (compute_preds_succs, free_bb_mem): Likewise.
11710 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
11711 * toplev.c (rest_of_compilation): Likewise.
11712 * haifa-sched.c (build_control_flow): Use flow generated edge
11713 list to build the haifa specific edge list.
11714 (find_rgns): Use new CFG data structures instead of pred/succ lists.
11715 (schedule_insns): Do not build pred/succ lists anymore. Instead
11716 build the edge table.
11718 * basic-block.h (dump_bb_data): Remove declaration.
11719 * flow.c (dump_bb_data): Remove function.
11720 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
11721 (sbitmap_union_of_predsucc): Likewise.
11723 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
11724 argument. All callers changed.
11725 (delete_null_pointer_checks_1): No longer need to compute the
11728 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
11729 All callers changed.
11730 (pre_expr_reaches_here_p_work): Likewise.
11731 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
11732 * lcm.c (compute_laterin): Fix initialization of LATER.
11733 (compute_nearerout): Similarly for NEARER.
11735 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11737 * cse.c (set_nonvarying_address_components): Delete unused function.
11738 (refers_to_p): Likewise.
11740 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
11742 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
11745 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11747 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
11748 definition in do while (0).
11750 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
11752 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
11754 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
11756 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
11758 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11760 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
11761 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
11762 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
11763 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
11765 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
11766 saved on the stack. Output more accurate stack frame statistics
11767 into assembler file.
11769 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
11771 * genextract.c (record_insn_name): New function.
11772 (get_insn_name): No longer a stub.
11773 (main): Call record_insn_name for each insn. After each label
11774 written, print the insn name in a comment.
11776 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11778 * output.h (const_section, init_section, fini_section): Add
11781 * alpha/elf.h (const_section): Delete declaration.
11783 * svr4.h (const_section): Likewise.
11785 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
11787 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
11788 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
11789 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
11791 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
11792 variable-sized array bounds.
11794 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
11796 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
11799 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11801 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
11802 addresses the same way GO_IF_LEGITIMATE_INDEX does.
11804 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11806 * cse.c (hash_arg_in_struct): Delete.
11807 (struct table_elt): Delete elt in_struct.
11808 (struct set): Delete elt src_in_struct.
11809 (merge_equiv_classes): Don't set either hash_arg_in_struct or
11810 the corresponding in_struct elts.
11811 (canon_hash): Likewise.
11812 (safe_hash): Likewise.
11813 (find_best_addr): Likewise.
11814 (record_jump_cond): Likewise.
11815 (cse_insn): Likewise.
11817 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
11819 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
11821 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
11824 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
11826 * function.c (diddle_return_value): Put back check that the DECL_RTL
11827 for the function is a register.
11829 * function.c (diddle_return_value): Use hard_function_value to
11830 get an rtx suitable for use in the USE/CLOBBER insn.
11832 * global.c (global_conflicts): Update comments.
11833 (record_conflicts): No need to record conflicts between pseudos here.
11835 1999-11-11 Bruce Korb <autogen@linuxbox.com>
11837 * fixinc/fixincl.c: Added verbose levels for status messages
11839 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11841 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
11842 operand as argument to expand_and or expand_binop.
11844 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
11846 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
11847 gcc_add_string_root.
11849 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
11851 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
11853 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
11855 * flow.c (compute_flow_dominators): Initially put all blocks on
11857 * lcm.c (compute_antinout_edge, compute_available): Similarly.
11858 * gcse.c (compute_cprop_avinout): Remove.
11859 (compute_cprop_data): Use compute_available.
11860 (delete_null_pointer_checks_1): Use compute_available.
11862 * basic-block.h (compute_available): Returns a void now.
11863 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
11864 to return a value anymore.
11865 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
11866 worklists. Fix boundary cases. Compute maximal solutions.
11867 (compute_laterin, compute_nearerout): Similarly.
11869 * dwarf2out.c (add_AT_location_description): Allow
11870 (mem (plus (pseudo) (...)) too.
11872 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
11874 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
11876 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
11877 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11879 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
11881 * gansidecl.h: Likewise.
11887 * toplev.h: Likewise.
11889 * tree.c: Likewise.
11891 * tree.h: Likewise.
11893 * varray.c: Likewise.
11895 * varray.h: Likewise.
11897 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
11899 * gcov.c (struct arcdata): Add hits and total, remove prob.
11900 (output_branch_counts): New.
11901 (process_args): Set output_branch_counts if -c.
11902 (calculate_branch_probs): Store hits and total instead of
11904 (output_data): Emit counts if output_branch_counts is true.
11905 * gcov.texi (Invoking Gcov): Document -c switch..
11907 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
11909 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
11910 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
11912 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
11914 * invoke.texi (C Dialect Options): Add missing builtins from
11915 c-common.c to list.
11916 * extend.texi (Other Builtins): Copy to this list.
11918 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11920 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
11921 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
11922 redundant bitmap.h.
11924 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
11926 * flow.c (compute_flow_dominators): No longer treat basic block 0
11927 or (n_basic_blocks - 1) specially. Clear the AUX field before
11928 starting computation of doms/pdoms. Fix initial state for pdoms.
11930 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11932 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
11933 match rtl.o's: added ggc.h and toplev.h
11934 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
11935 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
11936 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
11938 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
11940 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
11941 from HAVE_DOS_BASED_FILESYSTEM.
11942 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
11943 HAVE_DOS_BASED_FILESYSTEM.
11945 (split_directories): Only special-case DOS file names if
11946 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
11947 instead of explicit tests. Conditionalize on !VMS.
11948 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
11949 tests. Conditionalize on !VMS.
11950 (process_command): Only use make_relative_prefix if !VMS.
11951 (free_split_directories): Conditionalize on !VMS.
11952 (DIR_UP): Conditionalize on !VMS.
11954 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
11956 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
11958 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
11960 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
11963 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
11965 * invoke.texi (Environment Variables): Document relative path
11967 * gcc.c (DIR_UP): If not defined, define as "..".
11968 (standard_bindir_prefix): New static, holds target location to
11970 (split_directories): New function to split a filename into
11971 component directories.
11972 (free_split_directories): New function, release memory allocated
11973 by split_directories.
11974 (make_relative_prefix): New function, make a relative pathname if
11975 the compiler is not in the expected location.
11976 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
11977 can figure out an appropriate prefix from argv[0].
11978 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
11979 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
11980 STANDARD_BINDIR_PREFIX.
11982 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11984 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
11986 * config/c4x/c4x.h: Moved prototypes to c4x.h.
11987 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
11988 c4x_secondary_memory_needed) Delete.
11989 (fp_zero_operand): Add mode argument.
11991 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
11993 * reload1.c (reload_reg_free_for_value_p): Don't use a register
11994 that is in reload_reg_used.
11996 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
11998 * config/arm/arm-protos.h: New file: Prototypes for functions
11999 defined in arm.c and pe.c.
12000 * config/arm/arm.h: Fix compile time warnings.
12001 * config/arm/arm.c: Fix compile time warnings.
12002 * config/arm/pe.h: Fix compile time warnings.
12003 * config/arm/aout.h: Fix compile time warnings.
12005 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
12007 * config/m32r/m32r-protos.h: New file: Prototypes for functions
12010 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
12011 Add support for subtargets.
12012 Add prototypes for new predicates.
12013 Add scheduling macros.
12015 * config/m32r/m32r.c: Fix compile time warnings.
12016 (int8_operand): New predicate function.
12017 (reg_or_cmp_int16_operand): New predicate function.
12018 (extend_operand): New predicate function.
12019 (m32r_adjust_code): New scheduling function.
12020 (m32r_adjust_priorty): New scheduling function.
12021 (m32r_sched_init): New scheduling function.
12022 (m32r_sched_reorder): New scheduling function.
12023 (m32r_sched_variable_issue): New scheduling function.
12024 (direct_return): New codegen function.
12025 (m32r_not_same_reg): New rtl testsing function.
12027 * config/m32r/m32r.md: Fix compile time warnings.
12028 Add support for pre decrement and post increment memory
12030 Add S<cc> patterns.
12033 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12035 * global.c (EXECUTE_IF_CONFLICT): Don't define.
12036 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
12037 (find_reg): Likewise.
12039 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
12041 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
12042 to avoid assembler errors.
12044 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
12046 * config/v850/v850-protos.h: New file: Prototypes for functions
12048 * config/v850/v850.h: Move prototypes to v850-protos.h
12049 * config/v850/v850.c: Move prototypes to v850-protos.h
12050 * config/v850/v850.md: Fix compile time warnings.
12052 * config/fr30/fr30-protos.h: New file: Prototypes for functions
12054 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
12055 * config/fr30/fr30.c: Fix compile time warnings.
12056 * config/fr30/fr30.md: Fix compile time warnings.
12058 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
12060 * tree.h (get_containing_scope): Declare it.
12061 * tree.c (get_containing_scope): New fucntion.
12062 (decl_function_context): Use it.
12063 * toplev.c (rest_of_compilation): Use get_containing_scope.
12065 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12067 * Makefile.in (rtl.o): Depend on toplev.h.
12069 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
12071 * cse.c (delete_trivially_dead_insns): Replace alloca with
12073 * except.c (update_rethrow_references): Likewise.
12074 (init_eh_nesting_info): Likewise.
12075 * function.c (identify_blocks): Likewise.
12076 * gcse.c (dump_hash_table): Likewise.
12077 * graph.c (print_rtl_graph_with_bb): Likewise.
12078 * loop.c (combine_movables): Likewise.
12079 (move_movables): Likewise.
12080 (count_loop_regs_set): Likewise.
12081 (strength_reduce): Likewise.
12082 * profile.c (compute_branch_probabilities): New function, split
12084 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
12085 * regclass.c (regclass): Likewise.
12086 * regmove.c (regmove_optimize): Likewise.
12087 * toplev.c (compile_file): Likewise.
12088 (main): Don't mess with the stack rlimit.
12090 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
12092 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
12093 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
12095 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
12097 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
12099 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
12101 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
12102 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
12105 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
12107 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
12109 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
12111 * gcse.c (post_dominators): Kill.
12112 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
12113 (compute_code_hoist_data): Use compute_flow_dominators. Do not
12114 pass in a pdom array since we do not need pdoms.
12115 * haifa-sched.c (schedule_insns): Similarly.
12116 * flow.c (compute_dominators): Remove dead function.
12117 (compute_flow_dominators): Do not compute doms or pdoms if the
12118 caller does not request them. Split up loop to build doms and
12119 pdoms. Use a worklist to compute doms and pdoms.
12120 * basic-block.h (compute_dominators): Remove prototype.
12122 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
12124 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
12125 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
12126 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
12127 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
12128 (cant_move, fed_by_spec_load, is_load_insn): Remove.
12129 (schedule_region): Remove unused variable.
12130 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
12132 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
12134 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
12135 (update_equiv_regs): Likewise.
12136 (block_alloc): Likewise.
12137 * reg-stack.c (reg_to_stack): Likewise.
12138 (convert_regs_2): Likewise.
12139 * reload1.c (reload_as_needed): Likewise.
12141 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
12143 * Makefile.in (dbxout.o): Depend on ggc.h.
12144 (dwarf2out.o): Likewise.
12145 (xcoffout.o): Likewise.
12146 * dbxout.c: Include ggc.h.
12147 (dbxout_init): Register lastfile as a root.
12148 * dwarf2out.c: Include ggc.h.
12149 (dwarf2out_line): Register lastfile as a root.
12150 * xcoffout.c: Include ggc.h.
12151 (xcoffout_source_line): Register xcoff_lastfile as a root.
12153 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
12155 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
12157 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
12159 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
12161 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
12163 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12165 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
12166 (EXECUTE_IF_CONFLICT): Likewise.
12167 (ALLOCNO_LIVE_P): Avoid signed division.
12168 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
12169 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
12170 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
12172 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
12174 * haifa-sched.c (schedule_block): Don't crash if there's no
12175 next insn for an interblock movement.
12176 (add_branch_dependences): Don't allow clobber insns to move either.
12178 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
12180 * i386.c (split_xf): New.
12181 * i386-protos.h: Declare it.
12182 * i386.md (movxf_1): Add general regs alternatives.
12183 (movxf_1+1): New splitter for same.
12185 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
12187 * function.c (purge_addressof_1): Add missing return values.
12189 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
12191 * function.c (is_addressof): New function. Returns true if
12192 the given piece of RTL is an ADDRESSOF.
12193 (purge_addressof_1): Make boolean. Return false if the
12194 ADDRESSOFs could not be purged.
12195 (purge_addressof): If ADDRESSOFs could not be purged from the
12196 notes attached to an insn, remove the offending note(s),
12197 unless they are attached to a libcall.
12199 1999-11-05 Andreas Jaeger <aj@suse.de>
12201 * genoutput.c (null_operand =): Initialize all fields.
12203 * errors.h: Add extern to prototypes.
12205 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
12207 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
12208 * configure: Rebuilt.
12210 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12212 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
12213 (mirror_conflicts): New function.
12214 (global_alloc): Call it.
12215 (expand_preferences): Remove redundant CONFLICTP test.
12216 (find_reg, dump_conflicts): Likewise.
12217 (prune_preferences): Process conflicts one word at a time.
12219 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
12221 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
12222 instead of an explicit loop.
12224 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
12226 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
12227 if REG_RETVAL check succeeds, then put classp in src_elt.
12229 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
12231 * function.c (pad_to_arg_alignment): Only update argument_pad
12232 if the argument's alignment is greater than STACK_BOUNDARY.
12234 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
12236 * bitmap.h (BITMAP_XFREE): New.
12237 * flow.c (life_analysis): Use it.
12238 (life_analysis_1): Free blocks.
12240 * combine.c (undo_commit): New.
12241 (try_combine): Use it. Don't zap undobuf.undos.
12242 (combine_instructions): Don't zap undobuf.undos; free the
12243 undobuf.frees list.
12245 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
12247 * stmt.c (cost_table_): New.
12248 (estimate_case_costs): Use it instead of xmalloc.
12250 * toplev.c (compile_file): Reuse dumpname memory instead
12253 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
12255 * reg-stack.c (convert_regs_1): Initialize target_stack->top
12256 after verifying an EH edge.
12258 * haifa-sched.c (init_rgn_data_dependences): Correctly
12259 size bb_pending_lists_length when zeroing.
12261 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
12263 * function.c (diddle_return_value): New.
12264 (expand_function_end): Use it.
12265 * stmt.c (expand_null_return): Likewise.
12266 (expand_value_return): Likewise.
12268 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
12270 * reload1.c (reload): Don't remove return value clobbers.
12272 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
12274 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
12276 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
12278 * cse.c (cse_main): Use xmalloc, not alloca.
12279 (cse_basic_block): Likewise.
12280 * local-alloc.c (local_alloc): Likewise.
12282 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
12283 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12285 * rtl.c: Include toplev.h.
12286 (fatal): Remove declaration.
12288 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
12290 * haifa-sched.c (schedule_block): Fix thinko.
12292 1999-11-03 James McKelvey <mckelvey@fafnir.com>
12294 * fixinc/fixincl.c(create_file): Allow for systems that do not have
12295 S_IR* defined values
12297 1999-11-03 Philippe De Muyter <phdm@macqel.be>
12299 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
12300 call `malloc' instead.
12302 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
12304 * flags.h (flag_renumber_insns): Declare.
12305 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
12307 * rtl.h (renumber_insns): Change prototype.
12308 * toplev.c (flag_renumber_insns): Define.
12309 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
12311 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
12313 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
12314 and fpsqrtd. Use them and create fdiv function unit to more
12315 accurately represent fpu sqrt pipeline semantics on UltraSparc.
12316 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
12318 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
12320 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
12322 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
12323 insn into ready list, do not use just a raw swap.
12325 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
12327 * rtl.h (renumber_insns): New function.
12328 (remove_unnecessary_notes): Likewise.
12329 * emit-rtl.c (renumber_insns): Define.
12330 (remove_unncessary_notes): Likewise.
12331 * toplev.c (rest_of_compilation): Remove dead code.
12332 Use renumber_insns and remove_unncessary_notes.
12334 * gcse.c (struct null_pointer_info): New type.
12335 (get_bitmap_width): New function.
12336 (current_block): Remove.
12337 (nonnull_local): Likewise.
12338 (nonnull_killed): Likewise.
12339 (invalidate_nonnull_info): Take a null_pointer_info as input.
12340 (delete_null_pointer_checks_1): New function.
12341 (delete_null_pointer_checks): Use it.
12343 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
12344 (split_edges): Likewise.
12345 (schedule_block): Likewise.
12346 (compute_block_backward_dependencies): Likewise.
12347 (schedule_region): Likewise.
12348 (schedule_insns): Likewise.
12350 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
12352 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
12353 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
12354 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
12355 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
12356 * jump.c (delete_unreferenced_labels): Don't delete if
12357 LABEL_ALTERNATE_NAME is set.
12358 * print-rtl.c (print_rtx): Dump alternate name.
12359 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
12360 * rtl.h (LABEL_ALTERNATE_NAME): Define.
12361 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
12362 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
12364 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12366 * fix-header.c (recognized_extern, recognized_function): Constify
12369 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
12370 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
12371 (compute_available): Remove unused variable `last'.
12372 (compute_nearerout): Remove unused variable `temp_bitmap'.
12373 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
12374 Remove unused variable `x'.
12376 * scan.h (recognized_function, recognized_extern): Constify a
12379 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
12381 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12383 * varasm.c (decode_rtx_const): Use XSTR to access the string
12386 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
12388 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
12390 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12392 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
12394 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
12396 * pa.c (ireg_operand): New function.
12397 * pa.h (PREDICATE_CODES): Handle ireg_operand.
12398 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
12399 Fix out of date comment.
12401 * pa.md (negdi2): Turn into expander + anonymous pattern.
12403 * reload.c (find_reloads): Fix typos in recent change.
12405 * dwarf2out.c: Do not include ctype.h.
12407 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12409 * regclass.c (record_reg_classes): Always use may_move_cost when
12410 seeing how operand fits with various register classes.
12412 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
12414 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
12415 * toplev.c: Revert Nov 1 13:22 change.
12417 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
12419 * config/pa/pa.md (height reduction patterns): Add checks for
12420 overlapping operands to avoid semantic-destroying splits for
12421 height reduction patterns.
12423 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12425 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
12426 have been an hyphen, fixed.
12427 * configure: Rebuilt.
12429 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
12431 * config/arm/tpe.h: Add prototypes for exported functions.
12432 * config/arm/pe.c: Fix compile time warnings.
12433 * config/arm/semi.h: Fix compile time warnings.
12434 * config/arm/arm.c: Fix compile time warnings.
12435 * config/arm/arm.h: Fix compile time warnings.
12436 * config/arm/arm.md: Fix compile time warnings.
12437 * config/arm/thumb.c: Fix compile time warnings.
12438 * config/arm/thumb.h: Fix compile time warnings.
12439 * config/arm/thumb.md: Fix compile time warnings.
12441 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
12443 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
12446 * unroll.c (unroll_loop): Remove LOOP notes when loop is
12447 completely unrolled.
12449 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12451 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
12453 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
12455 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
12456 * rtl.h (rtx_equal_p): Move prototype.
12457 * rtl.c (rtx_equal_function_value_matters): Move from
12459 (rtx_equal_p): Likewise.
12460 * rtlanal.c (rtx_equal_function_value_matters): Delete.
12461 (rtx_equal_p): Likewise.
12463 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
12465 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
12466 ! HAS_INIT_SECTION.
12468 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
12470 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
12472 * pa.h (ADDR_VEC_ALIGN): Define.
12474 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
12475 notes when presented with "if (foo) break; end_of_loop" and
12476 the break sequence gets moved out of the loop.
12478 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
12479 Remove explicit zero initializations of entries within MAP.
12481 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
12483 * reg-stack.c (convert_regs_1): Handle EH edges specially.
12485 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
12487 * bitmap.h (BITMAP_XMALLOC): New macro.
12488 * flow.c (CLEAN_ALLOCA): Remove.
12489 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
12490 (life_analysis): Likewise.
12491 (update_life_info): Don't use CLEAN_ALLOCA.
12492 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
12493 (calculate_global_regs_live): Likewise.
12494 (print_rtl_with_bb): Likewise.
12495 (verify_flow_info): Likewise.
12496 * global.c (global_alloc): Likewise.
12497 (global_conflicts): Likewise.
12498 * integrate.c (save_for_inline_nocopy): Likewise.
12499 (expand_inline_function): Likewise.
12500 * jump.c (jump_optimize_1): Likewise.
12501 (duplicate_loop_exit_test): Likewise.
12502 (thread_jumps): Likewise.
12503 * loop.c (loop_optimize): Likewise.
12504 (combine_givs): Likewise.
12505 (recombine_givs): Likewise.
12506 * reorg.c (dbr_schedule): Likewise.
12507 * unroll.c (unroll_loop): Likewise.
12509 * combine.c (combine_instructions): Use xmalloc instead of alloca.
12511 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
12513 * toplev.c (rest_of_compilation): Don't optimize the CFG
12514 when rebuilding, just before dbr.
12516 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12518 * output.h (assemble_end_function, assemble_destructor,
12519 assemble_constructor, assemble_gc_entry, assemble_global,
12520 assemble_label, output_constant_pool) Constify a char*.
12522 * varasm.c (assemble_destructor, assemble_constructor,
12523 assemble_gc_entry, assemble_end_function, assemble_global,
12524 assemble_label, output_constant_pool): Likewise.
12526 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
12528 * config/arm/thumb.c (thumb_expand_prologue): Add comments
12529 explaining what is goin on in this function.
12531 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12533 * regclass.c (record_reg_classes): In matching case, recompute
12534 costs since the direction of movement is different.
12536 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
12538 * resource.c (mark_target_live_regs): For unconditional branches,
12539 the resources found at the branch target should be added to the
12540 resources found so far, not intersected.
12542 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
12544 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
12546 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
12547 (sys/mman.h): Include this file only if #HAVE_MMAP.
12548 (run_compiles): Initialize `esac_fmt' with one old KR string, not
12549 with automatically concatenated ANSI strings.
12551 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
12553 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
12554 (DIV_ROUND_UP): Robustify.
12555 (ggc_recalculate_in_use_p): New function.
12556 (release_pages): Don't inline it.
12557 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
12559 (ggc_pop_context): Use ggc_recalculate_in_use_p.
12560 (clear_marks): Always save in_use_p.
12561 (sweep_pages): Use ggc_recalculate_in_use_p.
12562 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
12563 Release pages before counting statistics.
12565 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
12567 * toplev.c (rest_of_compilation): Fix thinko in this change:
12569 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
12571 (rest_of_compilation): If inside an inlined external function,
12572 pretend we are just being declared.
12574 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
12576 * flow.c (calculate_global_regs_live): Fix thinko.
12578 * integrate.c (expand_inline_function): Fix bugs in previous
12579 change from Oct 28, 1999.
12581 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
12583 * stmt.c (expand_value_return): Fix typo in this change:
12585 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12586 (expand_value_return): Correctly convert VAL when promoting function
12587 return; support RETURN_REG being a PARALLEL.
12589 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
12591 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
12593 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12595 * hard-reg-set.h (reg_names): Constify a char*.
12597 * regclass.c (reg_names): Likewise.
12599 * regs.h (reg_names): Likewise
12601 * a29k/a29k.c (reg_names): Delete declaration.
12603 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
12605 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
12606 arc_output_function_epilogue): Likewise.
12608 * elxsi/elxsi.c (reg_names): Likewise.
12610 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
12612 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
12615 * m88k/m88k.c (output_function_profiler): Likewise.
12617 * sparc/sparc.c (sparc_flat_output_function_prologue,
12618 sparc_flat_output_function_epilogue): Likewise.
12620 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
12622 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
12623 warning from -Wuninitialized and put it under -W.
12624 * function.c (uninitialized_vars_warning): Warn only when the
12625 corresponding flag is set.
12627 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
12629 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
12630 is nonzero and the single set does not have an elt, then assign
12633 * simplify-rtx.c: New file.
12634 * Makefile.in (OBJS): Add simplify-rtx.o
12635 (simplify-rtx.o): Add dependencies.
12636 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
12637 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
12638 (cse_gen_binary, simplify_unary_operation): Delete.
12639 (simplify_binary_operation, simplify_plus_minus): Likewise.
12640 (check_fold_consts, simplify_relation_operation): Likewise.
12641 (simplify_ternary_operation): Likewise.
12642 (delete_trivially_dead_insns): Simplify the contents of the
12643 REG_EQUAL note before trying to substitute it into the source
12644 of the reg-reg copy at the end of a libcall sequence.
12646 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
12647 references/callers changed.
12649 * mn10200.c (mn10200_va_arg): Force the return value into a
12652 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
12654 * cccp.c (macroexpand): Avoid out of range accesses for omitted
12657 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
12659 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
12661 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
12663 * fold-const.c (fold): Fix thinko when optimizing comparisons
12666 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
12668 * gcc.texi (Passes): Update front-end files to their current
12671 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
12673 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
12674 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
12675 (PREDICATE_CODES): Add addition_operation.
12676 * alpha-protos.h (addition_operation): Declare.
12677 (secondary_reload_class): Likewise.
12678 * alpha.c (addition_operation): New.
12679 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
12680 * alpha.md (adddi3): Turn into expander.
12681 (*lda, *adddi_2): New.
12682 (movsf, movdf patterns): Don't preference integer regs.
12683 (movsi, movdi patterns): Don't preference fp regs.
12685 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
12687 * genrecog.c (write_switch): Check for duplicate CODE cases.
12689 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
12691 * ggc-common.c: Update pre-function commentary.
12692 * ggc-page.c: Likewise.
12694 (poison_pages): Use memset directly.
12695 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
12696 (ggc_collect): Poison before sweeping.
12697 * ggc-simple.c: Update pre-function commentary.
12698 (ggc_alloc_obj): Poison non-zeroed memory.
12700 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
12702 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
12703 match format string, even on 64-bit hosts.
12704 * gcc-page.c (ggc_page_print_statistics): Likewise.
12706 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
12708 * config/i386/i386.c (ix86_cpu): Revert last patch.
12709 * config/i386/i386.h (ix86_cpu): Ditto.
12711 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
12713 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
12714 TYPE_SIZE, convert type of result to sizetype.
12716 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
12718 * flow.c (count_or_remove_death_notes): Equate NULL with the
12721 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
12722 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
12725 * i386.c (pic_label_no): Delete.
12726 (ix86_attr_length_default): Don't use single_set to peek
12729 * recog.c (peephole2_optimize): Allow recog_next_insn to index
12730 the first insn after bb->end.
12731 * i386.md (push mem peeps): Scratch is live after evaluation
12733 (cmp mem peep): Similarly.
12735 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
12737 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
12738 * function.c (pad_to_arg_alignment): Add missing braces.
12740 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12742 * alpha/alpha-protos.h (literal_section): Add prototype.
12743 (alpha_need_linkage, alpha_start_function,alpha_end_function):
12746 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
12748 (alpha_start_function, alpha_end_function, float_strings,
12749 alpha_need_linkage): Constify a char*
12751 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
12753 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
12755 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12757 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12759 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12761 * flow.c (debug_flow_info): Add prototype.
12763 * gcc.c (main): Likewise.
12765 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
12768 * reload1.c (failed_reload, set_reload_reg): Likewise.
12770 * mips-tfile.c (main): Likewise.
12771 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
12772 with ATTRIBUTE_NORETURN.
12774 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
12776 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
12777 DECL is not a memory ref.
12779 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
12781 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
12782 * config/i386/i386.c (ix86_cpu): Add extern attribute.
12784 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
12786 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
12787 * config/mips/elf64.h: ditto.
12789 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
12791 * expr.c (emit_push_insn): New argument alignment_pad.
12792 Update all callers. Adjust stack pointer based on alignment pad.
12793 * function.c (pad_to_arg_alignment): New argument alignment_pad.
12794 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
12795 (locate_and_pad_parm): New argument alignment_pad. Update all
12797 * expr.h (emit_push_insn): Update prototype.
12798 (locate_and_pad_parm): Update prototype.
12799 * calls.c (arg_data): Add new field alignment_pad.
12800 (initialize_argument_information): Initialize alignment_pad.
12802 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
12804 * except.c (free_eh_nesting_info): Free the info itself.
12805 * function.c (free_after_compilation): Don't free NULL.
12806 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
12807 (pre_edge_insert): Free inserted.
12808 * stmt.c (free_stmt_status): Don't free NULL.
12810 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
12812 * gcov.c (DIR_SEPARATOR): Provide default.
12813 (output_data): Add test for MS-DOS format absolute filename.
12814 (fancy_abort): Correct program name.
12815 (open_files): Open all files in binary mode.
12816 * libgcc2.c (__bb_exit_func): Likewise.
12818 * profile.c (init_branch_prob): Specify binary when opening files.
12820 * flags.h (flag_unwind_tables): New decl.
12821 * toplev.c (flag_unwind_table): New definition.
12822 (f_options): Add -funwind-tables.
12823 (decode_g_option): Clarify warning when unknown -g option is given.
12824 (rest_of_compilation): If inside an inlined external function,
12825 pretend we are just being declared.
12827 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
12828 (dwarf2out_frame_finish): Likewise.
12830 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
12832 * fold-const.c (merge_ranges): If not in0, but in1, handle
12833 upper bounds equal like subset case.
12835 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
12837 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
12838 passed in a register but moved to the stack.
12840 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
12842 * gcc.c (pass_exit_codes, greatest_status): New variables.
12843 (struct option_map): Add entry for "--pass-exit-codes".
12844 (execute): Update greatest_status if error.
12845 (display_help): Add documentation for -pass-exit-codes.
12846 (process_command): Handle -pass-exit-codes.
12847 (main): Look at pass_exit_codes and greatest_status on call to exit.
12849 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12851 * reload.c (find_reloads): Refine test for no input reload
12852 case to not includes reloads emitted after insn.
12854 * function.c (find_temp_slots_from_address): Handle sum involving
12855 a register that points to a temp slot.
12856 (update_temp_slot_address): Make recursive call if both old and
12857 new are PLUS with a common operand.
12858 * calls.c (expand_call): Mark temp slot for result as having
12861 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
12863 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
12864 component as well as "BINUTILS".
12866 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
12867 * integrate.c (copy_rtx_and_substitute): Likewise.
12868 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
12869 All callers changed.
12870 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
12872 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
12873 gdb extensions, write size of type; also be more consistent
12874 in using references when this is a subtype.
12876 * pa.md (extv, extzv, insv): Use define_expand to reject constant
12877 that is out of range.
12879 * loop.c (unknown_constant_address_altered): New variable.
12880 (prescan_loop): Initialize it.
12881 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
12882 (invariant_p, case MEM): Remove handling for volatile and readonly;
12883 check new variable if readonly.
12884 (check_dbra_loop): Chdeck unknown_constant_address_altered.
12886 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
12887 (addr_affects_sp_p): Removed from note_mem_written and only
12888 define #ifdef AUTO_INC_DEC.
12890 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
12892 * regclass.c (record_reg_classes): Properly handle register move
12895 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
12896 Don't think valid if both operands are invalid.
12897 (struct constant_descriptor): New field RTL.
12898 (mark_const_hash_entry): Mark it.
12899 (record_constant{,_rtx}): Initialize it.
12900 (output_constant_def): Allocate RTL in permanent obstack and
12902 ({record,compare}_constant_1): Modes must match for
12903 CONSTRUCTOR of ARRAY_TYPE.
12905 * c-common.h (initializer_constant_valid_p): Delete decl from here.
12906 * output.h (initializer_constant_valid_p): Move decl to here.
12907 * c-common.c (initializer_constant_valid_p): Delete function from here.
12908 * varasm.c (initializer_constant_valid_p): Move function to here.
12910 * tree.h (STRIP_SIGN_NOPS): New macro.
12911 * fold-const.c (optimize_minmax_comparison): New function.
12912 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
12913 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
12914 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
12915 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
12916 widening conversions.
12917 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
12918 to look at size of mode, not precision of type; also add missing cases.
12919 (optimize_bit_field_compare, decode_field_reference): Don't try to
12920 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
12922 * dwarf2out.c (ctype.h): Include.
12923 (dwarf2out_set_demangle_name_func): New function.
12924 (size_of_line_info): Deleted.
12925 (output_line_info): Compute size of line info table from difference
12927 (base_type_die, add_name_attribute): Call demangle function, if any.
12928 (field_byte_offset): Use bits per word for variable length fields.
12929 (gen_array_type_die): Add array name.
12930 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
12931 (dwarf2out_add_library_unit_info): New function.
12933 * explow.c (set_stack_check_libfunc): New function.
12934 (stack_check_libfunc): New static variable.
12935 (probe_stack_range): Allow front-end to set up a libfunc to call.
12937 * combine.c (simplify_comparison): When making comparison in wider
12938 mode, check for having commuted an AND and a SUBREG.
12939 (contains_muldiv): New function.
12940 (try_combine): Call it when dividing a PARALLEL.
12941 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
12942 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
12944 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
12945 use one of the CLOBBERs instead.
12946 (if_then_else_cond): If comparing against zero, just return thing
12949 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
12950 Don't generate shifts and subtract if have conditional arithmetic.
12952 * rtl.h (delete_barrier): New declaration.
12953 * jump.c (jump_optimize): Set up to handle conditional call.
12954 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
12955 (delete_barrier): New function.
12957 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
12959 * recog.c (nonmemory_operand): Accept ADDRESSOF.
12961 * tree.c (build_type_attribute_variant): Push to obstack of
12962 ttype around type_hash_canon call.
12964 * expr.c (placeholder_list): Move decl to file scope.
12965 (expand_expr): Don't force access to volatile just because its
12967 If ignoring reference operations, just expand the operands.
12968 (expand_expr, case COMPONENT_REF): Propagate
12969 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
12970 Refine test for using bitfield operations vs pointer punning.
12971 (expand_expr, case CONVERT_EXPR): If converting to
12972 BLKmode UNION_TYPE from BLKmode, just return inner object.
12973 Use proper mode in store_field call.
12974 Properly set sizes of object to store and total size in store_field
12975 call for convert to union.
12976 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
12977 memory (like for ADDR_EXPR). Also, don't put constant in register if
12978 we'll want it in memory.
12979 (readonly_fields_p): New function.
12980 (expand_expr, case INDIRECT_REF): Call it if LHS.
12981 (expand_assignment): Handle a RESULT_DECL where
12982 DECL_RTL is a PARALLEL.
12983 (do_jump, case WITH_RECORD_EXPR): New case.
12984 (get_inner_reference): Always go inside a CONVERT_EXPR
12985 and NOP_EXPR if both modes are the same.
12986 (store_field): Use bitfield operations if size of bitsize is not same
12987 as size of RHS's type.
12988 Check for bitpos not a multiple of alignment in BLKmode case.
12989 Do block move in largest possible alignment.
12990 (store_constructor): Set BITSIZE to -1 for variable size and properly
12991 in case of array of BLKmode.
12992 (expand_expr_unaligned): New function.
12993 (do_compare_and_jump): Call it.
12995 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
12996 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
12997 does not include 'o'.
12999 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
13000 both SET_DEST and SET_SRC reference a virtual register.
13001 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
13003 * integrate.c (expand_inline_function): Handle case of setting
13004 virtual stack vars register (from built in setjmp); when parameter
13005 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
13006 (subst_constant): Add new parm, MEMONLY.
13007 (expand_inline_function, integrate_parm_decls): Pass new parm.
13008 (integrate_decl_tree): Likewise.
13009 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
13010 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
13011 (copy_rtx_and_substitute, case SET): Add explicit calls to
13012 copy_rtx_and_substitute for both sides.
13014 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
13016 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
13017 within INDEX_TYPE, instead of before.
13018 (fixup_gotos): Use f->target_rtl, not the next insn,
13019 since latter may be from a later fixup.
13020 (expand_value_return): Correctly convert VAL when promoting function
13021 return; support RETURN_REG being a PARALLEL.
13022 (expand_return): When checking for result in regs and having
13023 cleanup, consider PARALLEL in DECL_RTL as being in regs.
13025 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
13027 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
13028 last_nominal_fname): Mark const.
13029 (struct include_hash: name, nshort, control_macro): Mark
13031 (struct macrodef: symnam): Mark const.
13032 (struct if_stack: fname): Mark const.
13033 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
13034 (IStable): New character-syntax array which encompasses all
13035 the old is_foo arrays.
13036 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
13037 is_space): New macros for interrogating IStable.
13038 (check_macro_name): Kill last argument. All callers changed.
13040 * cppinit.c (initialize_char_syntax): Delete.
13041 (is_idchar, is_idstart, is_hor_space, is_space,
13042 trigraph_table): Delete.
13043 (IStable): New. Initialize with clever macros to avoid
13044 information duplication.
13045 (builtin_array): Table of builtins to get rid of explicit list
13046 in initialize_builtins.
13047 (initialize_builtins): Use builtins_array.
13048 (cpp_start_read): Call init_IStable, and set IStable['$'] if
13049 opts->dollars_in_ident.
13051 * cppexp.c: Change all refs to is_xyz[] arrays to use new
13053 (cpp_parse_expr): Avoid 'format string is not constant'
13054 warning. Use ISGRAPH to identify printable chars.
13055 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
13057 (read_and_prescan): Map trigraphs to chars with open-coded
13058 if-else-if-... sequence, not a lookup table.
13059 * cpphash.c: Change all refs to is_xyz[] arrays to use new
13061 * cpplib.c: Change all refs to is_xyz[] arrays to use new
13062 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
13063 (check_macro_name): Remove ability to report an invalid
13064 assertion name, which is never used.
13065 (do_line): Constify a couple of char *'s.
13066 * cppmain.c (main): Call cpp_cleanup before returning.
13068 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
13070 * ggc.h (struct ggc_statistics): New type.
13071 (ggc_get_size): New function.
13072 (ggc_print_statistics): Likewise.
13073 * ggc-common.c (ggc_stats): New variable.
13074 (ggc_mark_rtx_children): Keep statistics.
13075 (ggc_mark_tree_children): Likewise.
13076 (ggc_print_statistics): New function.
13077 * ggc-page.c (struct globals): Add bytes_mapped field.
13078 (alloc_anon): Update it.
13079 (release_pages): Likewise.
13080 (ggc_get_size): New function.
13081 (ggc_page_print_statistics): New function.
13082 * ggc-simple.c (ggc_get_size): New function.
13084 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
13086 * flow.c (propagate_block): When the last reference to a label
13087 before an ADDR_VEC is deleted because the reference is a dead
13088 store, delete the ADDR_VEC.
13090 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
13092 * resource.c (find_free_register): Don't use the frame pointer
13093 if frame_pointer_needed.
13095 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
13097 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
13098 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
13100 * config/i960/i960.c (i960_va_start): New locals base, num.
13101 Use INDIRECT_REF instead of ARRAY_REF on valist.
13102 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
13104 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
13106 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
13108 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
13110 * tree.def (PLACEHOLDER_EXPR): Update comments.
13112 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13114 * c-common.c (check_format_info): Avoid non-literal format string
13115 warnings when `first_arg_num' is zero.
13117 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13119 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
13121 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
13123 * arm.md (casesi_insn): Add a clobber of the condition code
13126 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
13128 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
13129 used by both cc1 and cc1plus.
13131 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
13133 * config/arm/arm.c: Initialise arm_structure_size_boundary to
13134 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
13135 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
13136 to the value 32 if it has not already been defined.
13137 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
13138 Override definition in arm.h with a value of 8.
13140 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
13142 * c-pragma.c (push_alignment): Don't check the return value
13145 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
13147 * sparc.h (ADJUST_COST): Fix thinko.
13149 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
13151 * cccp.c (rescan): Fixed obp pointer handling around call to
13152 check_expand subroutine.
13154 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
13156 * gcse.c (delete_null_pointer_checks): Only record non-null info
13157 for pseudos when examining stores.
13159 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
13160 splitters for these patterns. Use "#" for output templates.
13161 (addsi3_carryin_shift): New pattern.
13163 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
13165 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
13166 of the function return register into a plain REG until
13167 after function inlining is done.
13169 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
13171 * jump.c (jump_optimize_1): If we did cross-jumping, and
13172 the data will matter, rebuild the CFG.
13173 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
13174 not optimizing. Don't run shorten_branches.
13175 * toplev.c (rest_of_compilation): Run shorten_branches after
13178 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
13180 * rtl.h (note_stores): Add additional paramter.
13181 * rtlanal.c (reg_set_p_1): Take additional paramter.
13182 (reg_set_last_1): Likewise.
13183 (reg_set_p): Adjust call to note_stores.
13184 (reg_set_last): Likewise.
13185 (note_stores): Pass data parameter to worker function.
13186 * alias.c (record_set): Take additional parameter.
13187 (init_alias_analysis): Pass it.
13188 * caller-save.c (mark_set_regs): Take additional parameter.
13189 (save_call_clobbered_regs): Pass NULL to note_stores.
13190 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
13192 (record_dead_and_set_regs_1): Likewise.
13193 (reg_dead_at_p_1): Likewise.
13194 (combine_instructions): Adjust calls to note_stores.
13195 (try_combine): Likewise.
13196 (record_dead_insn): Remove.
13197 (record_dead_and_set_regs): Adjust calls to note_stores.
13198 (reg_dead_at_p): Likewise.
13199 * cse.c (invalidate_skipped_set): Take additional parameter.
13200 (cse_check_loop_start): Likewise.
13201 (cse_check_loop_start_value): Remove.
13202 (cse_set_around_loop): Adjust calls to note_stores.
13203 * flow.c (notice_stack_pointer_modification): Take additional
13204 parameter. Remove duplicate declaration.
13205 (record_volatile_insns): Adjust calls to note_stores.
13206 * gcse.c (record_set_info): Take additional parameter.
13207 (record_last_set_info): Likewise.
13208 (invalidate_nonnull_info): Likewise.
13209 (record_set_insn): Remove.
13210 (compute_sets): Adjust calls to note_stores.
13211 (last_set_insn): Remove.
13212 (compute_hash_table): Adjust calls to note_stores.
13213 (insert_insn_end_bb): Likewise.
13214 (delete_null_pointer_checks): Likewise.
13215 * global.c (mark_reg_store): Take additional parameter.
13216 (mark_reg_clobber): Likewise.
13217 (reg_becomes_live): Likewise.
13218 (global_conflicts): Adjust calls to note_stores.
13219 (build_insn_chain): Likewise.
13220 * integrate.c (note_modified_parmregs): Take additional parameter.
13221 (mark_stores): Likewise. Make it static.
13222 (save_for_inline_nocopy): Adjust calls to note_stores.
13223 (try_constants): Likewise.
13224 * integrate.h (mark_stores): Remove declaration.
13225 * jump.c (mark_modified_reg): Take additional parameter.
13226 (thread_jumps): Adjust calls to note_stores.
13227 * local-alloc.c (validate_equiv_mem_from_store): Take additional
13229 (no_equiv): Likewise.
13230 (reg_is_set): Likewise.
13231 (validate_equiv_mem): Adjust calls to note_stores.
13232 (update_equiv_regs): Likewise.
13233 (block_alloc): Likewise.
13234 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
13235 (note_addr_stored): Take additional parameter.
13236 (note_set_pseudo_multiple_uses): Likewise.
13237 (record_initial): Likewise.
13238 (prescan_loop): Adjust calls to note_stores.
13239 (strength_reduce): Likewise.
13240 (check_dbra_loop): Likewise.
13241 * regmove.c (flags_set_1): Take additional paramter.
13242 (mark_flags_life_zones): Adjust calls to note_stores.
13243 * reload1.c (mark_not_eliminable): Take additional parameter.
13244 (forget_old_reloads_1): Likewise.
13245 (reload_cse_invalidate_rtx): Likewise.
13246 (reload_cse_check_clobber): Likewise.
13247 (reload_combine_note_store): Likewise.
13248 (move2add_note_store): Likewise.
13249 (reload): Adjust calls to note_stores.
13250 (reload_as_needed): Likewise.
13251 (emit_reload_insns): Likewise.
13252 (reload_cse_regs_1): Likewise.
13253 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
13254 (reload_combine): Adjust calls to note_stores.
13255 * resource.c (update_live_status): Take additional paramter.
13256 (mark_target_live_regs): Adjust calls to note_stores.
13257 * stupid.c (find_clobbered_regs): Take additional parameter.
13258 (stupid_life_analysis): Adjust calls to note_stores.
13260 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
13262 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
13265 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
13268 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
13269 of the variable arm_structure_size_boundary.
13271 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
13273 * alias.c (init_alias_analysis): Allocate reg_known_value and
13274 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
13276 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
13277 * cse.c (cse_main): Call end_alias_analysis.
13278 * haifa-sched.c (schedule_insns): Likewise.
13279 * local-alloc. (update_equiv_regs): Likewise.
13280 * reload1.c (reload_cse_regs): Likewise.
13282 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13284 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
13285 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
13286 mapping from MASK_FPU.
13288 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
13290 * sparc.md (call): Don't bound structure return size to 0xfff.
13292 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
13294 * resource.c (mark_target_live_regs): Check that the target
13295 insn wasn't created after compute_bb_for_insn.
13297 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
13299 * ggc-page.c (poison_pages): Don't be overzealous.
13301 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
13303 * alias.c: Update comments for ADDRESS.
13304 (nonlocal_reference_p): Look inside the ADDRESS to determine if
13305 it is a local memory reference.
13307 * c-typeck.c (build_function_call): Check that the built-in
13308 function is of class BUILT_IN_NORMAL before trying to recongize
13309 it as BUILT_IN_ABS.
13310 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
13311 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
13313 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
13315 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
13317 (pre_gcse): Likewise.
13318 (hoist_expr_reaches_here_p): Likewise.
13319 (hoist_code): Likewise.
13320 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
13322 (pre_expr_reaches_here_p_work): ... here.
13323 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
13325 (expr_reaches_here_p_work): ... here.
13327 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
13329 * resource.c (find_basic_block): Delete.
13330 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
13331 (init_resource_info): Call compute_bb_for_insn.
13333 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
13335 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
13336 with already adjacent blocks, but no fallthru.
13337 (merge_blocks_move_successor_nojumps): Simplify.
13338 (debug_flow_info): New.
13340 * toplev.c (rest_of_compilation): Open jump1 dump file before
13341 jump and close after, as opposed to just using dump_rtl.
13343 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13345 * reload.h (earlyclobber_operand_p): Declare.
13346 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
13347 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
13348 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
13349 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
13351 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13352 Richard Henderson <rth@cygnus.com>
13354 * emit-rtl.c (emit_block_insn_before): New.
13355 (emit_block_insn_after): New.
13356 * basic-block.h: Declare them.
13358 * bitmap.h: Protect from multiple inclusion.
13360 * recog.c (scratch_operand): Handle VOIDmode correctly.
13362 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
13364 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
13365 * function.c (assign_parms): Likewise.
13366 * global.c (global_conflicts): Clarify STACK_REGS commentary.
13368 * reg-stack.c (max_uid): Remove.
13369 (blocks, block_begin, block_end, block_drops_in): Remove.
13370 (block_stack_in, block_out_reg_set, block_number): Remove.
13371 (struct block_info_def, BLOCK_INFO): New.
13372 (enum emit_where): New.
13373 (current_block): New.
13374 (BLOCK_NUM): Remove.
13375 (mark_regs_pat, record_label_references): Remove.
13376 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
13378 (goto_block_pat, print_blocks, dump_stack_info): Remove.
13379 (reg_to_stack): Simplified test for existance of fp code. Use
13380 flow.c code. Call shorten_branches after cross-jump opt.
13381 (check_asm_stack_operands): Renamed from record_asm_reg_life.
13382 Return false if the asm doesn't use stack regs. Don't do life
13383 analysis on the asm.
13384 (emit_pop_insn): Replace function pointer arg `when' with
13385 enum `where'. Update all callers.
13386 (change_stack): Likewise. Update basic block end.
13387 (emit_swap_insn): Use current_block->head to limit reverse search
13388 for start of block. Use emit_block_insn_after.
13389 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
13390 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
13391 structure assignment instead of bcopy.
13392 (print_stack): New.
13393 (convert_regs_entry, convert_regs_exit): New.
13394 (convert_regs_1, convert_regs_2): Split out from convert_regs.
13395 Work on basic blocks and the CFG.
13396 (convert_regs): Use them.
13398 * i386.c (output_fix_trunc): Remove code for DImode input operand
13399 not at top-of-stack.
13400 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
13402 (fix_truncdi_1): Allow any mode scratch.
13404 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
13406 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
13407 * linux.h, netbsd.h, vms.h: Not here.
13409 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
13411 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
13412 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
13413 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
13414 CONDITIONAL_REGISTER_USEAGE): Use them.
13415 * config/mips/mips.c (mips_move_1word,mips_move_2words,
13416 gen_conditional_branch,override_options) : Use them.
13417 * config/mips/mips.md : Use them.
13419 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
13421 * i386.md (zero_extendqihi2): Use SImode register name with andl.
13423 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
13425 * integrate.c (function_cannot_inline_p): Don't allow inlining
13428 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13430 * c-parse.in (cast_expr): Constify.
13432 * cccp.c (special_symbol): Likewise.
13434 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
13436 * dwarf2out.c (base_type_die): Likewise.
13438 * global.c (allocno_compare): Likewise.
13440 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
13442 * regclass.c (fix_register): Likewise.
13444 * rtl.h (fix_register): Likewise.
13446 * stupid.c (stupid_reg_compare): Likewise.
13448 * toplev.c (decode_f_option): Likewise.
13450 * tree.c (build_complex_type): Likewise.
13452 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
13454 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
13456 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13458 * reload.c (find_reloads): Compute mode and nregs fields of all
13460 * reload1.c (calculate_needs_all_insns): Simplify a bit.
13461 (calculate_needs): Use precomputed mode/nregs values.
13462 (allocate_reload_reg): Likewise.
13464 (failed_reload, set_reload_reg): ... new functions.
13465 (choose_reload_regs_init): New function, mostly broken out from...
13466 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
13467 Also lose one #if 0 block.
13469 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
13471 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
13474 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
13476 * tree.h (BLOCK_TYPE_TAGS): Remove.
13477 (BLOCK_END_NOTE): Likewise.
13478 (BLOCK_LIVE_RANGE_FLAG): Likewise.
13479 (BLOCK_LIVE_RANGE_START): Likewise.
13480 (BLOCK_LIVE_RANGE_END): Likewise.
13481 (tree_block): Remove live_range_flag, live_range_var_flag, and
13482 type_tags. Remove end_note, live_range_start, and live_range_end.
13483 (remember_end_note): Remove prototype.
13484 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
13485 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
13487 * ggc-common.c (ggc_mark_tree_children): Don't mark
13488 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
13489 * integrate.c (adjust_copied_decl_tree): Remove.
13490 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
13491 * stmt.c (last_block_end_note): Remove.
13492 (init_stmt): Don't add a GC root for it.
13493 (expand_fixup): Don't set it.
13494 (remember_end_note): Remove.
13495 (expand_end_bindings): Don't set last_block_end_note.
13497 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13499 * reload1.c (reload_reg_free_for_value_p): Show
13500 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
13503 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
13505 * expmed.c (extract_bit_field): Allow for the case of non-integer
13506 objects that are smaller than a word (like SFmode on a 64-bit
13509 * loop.c (basic_induction_var): A non-integer variable which is
13510 being set by a paradoxical subreg is probably not a biv.
13512 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13514 * prefix.c (translate_name) Check for empty prefix string.
13516 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
13518 * Makefile.in (CPP_CROSS_NAME): New variable.
13519 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
13521 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
13522 names of the files to be uninstalled.
13524 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
13526 * collect2.c (IS_DIR_SEPARATOR): Define.
13527 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
13529 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
13532 * haifa-sched.c (add_dependence): Update the true dependency
13533 cache the first time we add a true dependence to the LOG_LINKS chain.
13535 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
13537 * fold-const.c (fold): Fix comment.
13539 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13541 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
13542 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
13543 dbxout_start_new_source_file, dbxout_source_file,
13544 dbxout_source_line, dbxout_finish, dbxout_type_fields,
13545 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
13547 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
13548 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
13549 (dbxout_block): Initialize variable `blocknum'.
13551 * dbxout.h (dbxout_init, dbxout_finish,
13552 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
13553 dbxout_args, dbxout_source_line): Constify a char*.
13555 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
13556 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
13557 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
13558 low_pc_attribute, high_pc_attribute, body_begin_attribute,
13559 body_end_attribute, comp_dir_attribute, sf_names_attribute,
13560 src_info_attribute, mac_info_attribute, producer_attribute,
13561 lookup_filename, generate_macinfo_entry, fundamental_type_code,
13562 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
13563 dwarfout_undef): Constify a char*.
13564 (add_incomplete_type, retry_incomplete_types): Add prototypes.
13566 * dwarfout.h (dwarfout_define, dwarfout_undef,
13567 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
13569 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
13571 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
13572 (MULTILIB_ISA_DEFAULT): New.
13573 (MULTILIB_DEFAULTS): Use it.
13574 * config/mips/mips.c (): Remove the now unnecessary definition
13575 of MIPS_ISA_DEFAULT.
13576 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
13577 unnecessary definition.
13579 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
13581 * arm.md (pic_load_addr): Add constraints to operand 1.
13583 1999-10-25 Bruce Korb <autogen@linuxbox.com>
13585 * fixinc/genfixes: Provide a means for specifying -D options to
13588 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
13590 * arm.c (arm_override_options): Correct initialization of
13591 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
13592 arm_is_strong, and arm_is_6_or_7.
13594 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
13595 (note_set_pseudo_multiple_uses): New function.
13596 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
13597 if a pseudo set in the loop exit is used elsewhere.
13599 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
13601 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
13603 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
13605 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
13606 a single load-address pattern.
13608 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
13610 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
13611 depending on whether or not line-number notes are present.
13613 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13615 * cccp.c (progname, file_buf, default_include, include_file,
13616 macrodef, definition, hashval, wchar_type, user_label_prefix,
13617 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
13618 expand_to_temp_buffer, is_system_include, base_name,
13619 absolute_filename, read_name_map, open_include_file,
13620 record_control_macro, check_precompiled, check_preconditions,
13621 pcfinclude, pass_thru_directive, create_definition,
13622 check_macro_name, comp_def_part, collect_expansion,
13623 check_assertion, read_token_list, assertion_install,
13624 assertion_lookup, eval_if_expression, conditional_skip,
13625 validate_else, skip_quoted_string, quote_string, macarg1,
13626 error_from_errno, install, lookup, hashf, dump_defn_1,
13627 perror_with_name, pfatal_with_name, main, trigraph_pcp,
13628 check_white_space, rescan, handle_directive, monthnames,
13629 special_symbol, do_include, remap_include_file, write_output,
13630 arglist, do_assert, do_unassert, do_line, do_error, do_once,
13631 do_ident, do_sccs, do_xifdef, skip_if_group,
13632 output_line_directive, macroexpand, macarg, change_newlines,
13633 initialize_builtins, make_definition): Constify a char*.
13635 * pcp.h (stringdef): Likewise.
13637 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
13639 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
13642 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
13643 Richard Henderson <rth@cygnus.com>
13645 * alias.c: Include ggc.h.
13646 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
13647 (record_set): Verify enough room in reg_base_value.
13648 (init_alias_analysis): Allocate reg_base_value with xcalloc.
13649 Register it as a GC root.
13650 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
13651 * Makefile.in (alias.o): Depend on ggc.h.
13653 * unroll.c (unroll_loop): Verify the insn before a barrier
13654 is a JUMP_INSN before checking JUMP_LABEL.
13656 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13658 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
13659 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
13660 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
13661 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
13662 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
13663 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
13665 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13667 * output.h (ctors_section, dtors_section, bss_section): Prototype.
13669 * alpha/alpha-interix.h (text_section): Delete prototype.
13670 * alpha/elf.h (text_section): Likewise.
13671 * arm/linux-elf.h (text_section): Likewise.
13672 * arm/linux-telf.h (text_section): Likewise.
13673 * c4x/c4x.h (text_section): Likewise.
13674 * dsp16xx/dsp16xx.h (bss_section): Likewise.
13675 * elfos.h (text_section): Likewise.
13676 * i386/aix386ng.h (text_section): Likewise.
13677 * i386/i386-interix.h (text_section): Likewise.
13678 * i386/sco5.h (text_section): Likewise.
13679 * i386/svr3gas.h (text_section): Likewise.
13680 * nextstep.h (text_section): Likewise.
13681 * psos.h (text_section): Likewise.
13682 * ptx4.h (text_section): Likewise.
13683 * svr3.h (text_section): Likewise.
13684 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
13686 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13688 * final.c (peephole): Delete prototype.
13690 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
13691 (pre_insert_copies): Remove unused variable `bb'.
13693 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
13696 * output.h (peephole): Add prototype.
13698 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
13700 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
13703 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
13705 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
13706 for inlined declarations.
13708 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
13710 * arm.c (logical_binary_operator): New fucntion.
13711 * arm.h (logical_binary_operator): Declare it.
13712 (PREDICATE_CODES): Handle logical_binary_operator.
13713 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
13714 output constraints. Add appropriate splitters.
13715 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
13716 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
13717 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
13719 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13721 * genoutput.c (struct operand_data): New elt eliminable.
13722 (output_operand_data): Write it.
13723 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
13724 (compare_operands): Take it into account.
13725 * recog.h (struct insn_operand_data): New elt eliminable.
13726 * reload1.c (check_eliminable_occurrences, elimination_effects): New
13728 (old_asm_operands_vec, new_asm_operands_vec): Delete.
13729 (eliminate_regs): Move code that detects changes to elimination
13730 target regs into new function elimination_effects.
13731 Delete one #if 0 block.
13732 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
13733 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
13734 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
13735 Only call eliminate_regs for real operands of the insn, not for parts
13736 of its structure or parts matched by things like match_operator.
13737 Use elimination_effects and check_eliminable_occurrences. Use
13738 copy_insn to duplicate the pattern when not in the final pass.
13740 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
13742 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
13745 1999-10-22 Bruce Korb <autogen@linuxbox.com>
13747 * fixinc/README: document the "mach" machine matching test
13748 * fixinc/fixfixes.c: Implement the #else/#endif label fix
13749 * fixinc/fixtests.c: Implement the #else/#endif label test
13750 * fixinc/inclhack.def: utilize these tests and fixes
13751 * fixinc/inclhack.sh: regen
13752 * fixinc/fixincl.x: regen
13753 * fixinc/fixincl.sh: regen
13755 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
13757 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
13760 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
13762 * gcc.1: Document exit codes.
13764 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13766 * calls.c: Include tm_p.h later, so everything we need is defined.
13767 * expr.c: Likewise.
13768 * function.c: Likewise.
13770 * except.c: Include tm_p.h.
13772 * sparc.c: Likewise.
13773 (dwarf2out_cfi_label): Don't prototype.
13774 (check_return_regs, epilogue_renumber,
13775 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
13776 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
13777 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
13778 ultra_schedule_insn): Add static prototype.
13779 (data_segment_operand, text_segment_operand): Call itself with the
13780 proper number of arguments.
13781 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
13783 * sparc.h: Move all declarations to sparc-protos.h.
13784 (SELECT_RTX_SECTION): Pass a missing MODE argument to
13787 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
13789 * config/svr4.h (text_section, ctors_section, dtors_section): Add
13791 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
13792 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13793 ASM_OUTPUT_ASCII): Constify a char*.
13795 * sparc-protos.h: New file for sparc prototypes.
13797 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13799 * function.c (record_insns, contains): Always declare and define.
13800 (record_insns): Mark with ATTRIBUTE_UNUSED.
13802 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
13804 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
13805 to .section when outputting a .bss section to deal with multiple
13806 .bss input sections (as happens with -fdata-sections)
13807 Also output %progbits, not @progbits so the assembler doesn't treat as
13809 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
13811 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
13812 thumb parts even when building with non-thumb CPUs, by forcing
13815 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
13817 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
13818 (movdf_const_intreg_sp64): Similarly.
13820 * local-alloc.c (update_equiv_regs): Check the correct insn
13821 for pre-existing REG_EQUIV notes.
13823 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
13825 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
13826 block reached by a branch if we're not going to actually process
13829 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
13831 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
13832 a local extern function declaration.
13834 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
13836 * i386.c (ix86_expand_prologue): Properly wrap USE around
13837 reg for CALL_INSN_FUNCTION_USAGE.
13839 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
13841 * config/mips/mips.md (movdf_internal1a): Allow floating-point
13842 move between GP_REGs.
13844 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
13846 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
13847 the mode size when finding out if an offset is legal.
13849 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
13851 * basic-block.h (PROP_*): Move constants from ...
13852 * flow.c: ... here.
13853 (compute_bb_for_insn): Free the array before reallocating.
13854 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
13855 (allocate_reg_life_data): Reset all reg variables collected by
13857 (get_block_head_tail): Don't convert from bb to block.
13858 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
13859 (find_insn_reg_weight): Take block not bb.
13860 (schedule_block): Don't set block num for moved insns.
13861 (schedule_region): Don't update_life_info or find_insn_reg_weight.
13862 (schedule_insns): Do it here instead.
13863 * combine.c (combine_instructions): Invoke compute_bb_for_insn
13864 before update_life_info.
13865 * recog.c (split_all_insns, peephole2_optimize): Update for
13866 new arg to update_life_info.
13867 * rtlanal.c (remove_note): Cope with NULL note.
13868 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
13871 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
13873 * jump.c (jump_optimize_1): More accurately detect casesi insns.
13875 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
13876 block records so that merge_blocks_nomove will clean up correctly.
13877 (split_edge): Handle casesi insns.
13879 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
13881 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
13883 * pa.md (call, call_value): Do not emit a blockage after restoring
13886 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
13888 * c-typeck.c (c_expand_asm_operands): Fix typo.
13890 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13892 * arm.c (fpu_rhs_operand): Verify modes.
13893 (fpu_add_operand): Likewise.
13894 (di_operand): Likewise.
13895 (soft_df_operand): Likewise.
13897 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
13899 * arm.c (arm_return_in_memory): APCS rules state that the elements
13900 of a structure returned in a register must be 'integer-like'.
13902 1999-10-19 Bruce Korb <autogen@linuxbox.com>
13904 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
13905 in the source tree when the generated targets are out of date
13906 * fixinc/genfixes: Alter it to run individual fixes for make.
13907 * fixinc/README: rewrite
13908 * fixinc/inclhack.def: moved initial comments to README
13910 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
13912 * toplev.c (main): Do not generate an error message if an
13913 unrecognised command line switch is recognisable by another
13914 language. If extra_warnings are enabled, then generate a
13915 warning message instead.
13917 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
13919 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
13920 (insert_pack_attributes): Delete prototype.
13922 * c-pragma.c (default_alignment): New static variable.
13923 (push_alignment): Initialize to current effective alignment.
13924 (pop_alignment): Use to set new alignment.
13925 (insert_pack_attributes): Delete function.
13926 (handle_pragma_token): Set default_alignment as well each time
13927 a #pragma pack(<n>) is encountered.
13929 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
13931 * reg-stack.c (stack_result): Aggregates are not returned in
13934 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
13936 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
13938 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
13940 * basic-block.h (set_block_num): Declare.
13941 * flow.c (update_life_info): Don't call compute_bb_for_insn
13942 or free_basic_block_vars.
13943 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
13944 (insn_orig_block): Remove.
13945 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
13946 (schedule_block): Keep BLOCK_NUM up-to-date.
13947 (schedule_insns): Use compute_bb_for_insn.
13948 * recog.c (split_all_insns): Likewise.
13949 (peephole2_optimize): Likewise.
13951 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
13953 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
13954 if the pic register is used.
13956 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13958 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
13959 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
13960 if that tests TREE_PERMANENT.
13962 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
13964 * cse.c (invalidate_for_call): Do not remove memory references from
13965 the table here. It's handled elsewhere.
13967 * haifa-sched.c (add_dependence): Protect references to the
13968 true dependency cache with #ifdef INSN_SCHEDULING.
13969 (remove_dependence): Similarly.
13971 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
13972 to the cfg code that this is a return instruction.
13973 * mn10300.md (return_internal): Similarly.
13975 * combine.c (get_last_value): If the last set of a register
13976 is after subst_low_cuid, then we can not use it to determine
13977 the register's last value.
13979 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
13981 * Makefile.in: Back out previous change.
13983 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
13985 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
13987 * haifa-sched.c (add_dependence): Only check/update the cache
13989 (remove_dependence): Likewise.
13990 (schedule_insns): Only create the true_dependency_cache if the
13991 average number of instructions in a basic block is very large.
13993 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
13995 * Makefile.in (ggc-common.o): Depend on genrtl.h.
13996 (ggc-simple.o): Likewise.
13997 (ggc-page.o): Likewise.
13999 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
14001 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
14002 Prototype for exported functions.
14003 (pre_lcm, pre_rev_lcm): Remove prototypes.
14004 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
14005 (compute_available): Move to lcm.c, and change parameter order.
14006 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
14007 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
14008 (gcse_main): No longer call compute_preds_succs. Rebuild the
14009 set table after reach pre pass.
14010 (pre_insert_map, pre_delete_map, edge_list): New.
14011 (alloc_pre_mem): Allocate edge vectors.
14012 (free_pre_mem): Delete edge vectors.
14013 (compute_pre_data): Call new edge based lcm routines.
14014 (process_insert_insn): New function.
14015 (insert_insn_end_bb): Use it.
14016 (pre_edge_insert): New function.
14017 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
14019 (pre_insert_copies): Revamp using new edge based lcm outputs.
14020 (pre_delete): Likewise.
14021 (one_pre_gcse_pass): Insert & remove fake edges to the exit
14023 (compute_code_hoist_vbeinout): New new edge based routines.
14024 * lcm.c: Remove all the old LCM functions. Replace with new ones
14025 that work with the new cfg datastructures and work with edges
14028 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14030 * reload.h (struct reload): Add new fields "mode" and "nregs".
14031 * reload1.c: Change all occurrences of reload_mode and reload_nregs
14032 to reference the "mode" and "nregs" field within struct reload.
14034 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
14036 * haifa-sched.c (true_dependency_cache): New.
14037 (add_dependence): Use the true dependency cache to avoid expensive
14038 walks down the LOG_LINKS dependency list. Add entries to the
14039 cache as necessary.
14040 (remove_dependence): Remove entries from the true dependency cache
14042 (schedule_insns): Allocate and initialize and free the true
14045 * haifa-sched.c (schedule_insns): Do not remove inter-block
14046 dependencies anymore.
14048 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
14050 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
14051 * i386/t-winnt: Likewise.
14053 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
14055 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
14057 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
14059 * Makefile.in (LANGUAGES): Omit "proto".
14060 (clean): Remove stale comment about removing unprotoize.c.
14062 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14064 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
14065 using arithmetic on void pointers.
14067 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
14069 * haifa-sched.c (compute_block_forward_dependencies): Only check
14070 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
14072 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
14074 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
14075 (expr_equiv_p): Reject memories with different alias sets.
14077 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
14079 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
14080 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
14081 (f_options): Add "bounded-pointers" and "bounds-check" entries.
14082 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
14083 (lang_init): Set default for flag_bounds_check if still "unspecified".
14085 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14087 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
14089 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14091 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
14094 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14096 * config/c4x/c4x.md (*db_noclobber,
14097 *decrement_and_branch_until_zero_noclobber): New patterns and
14098 associated splitters.
14100 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14102 * config/c4x/c4x.md (parallel instruction patterns): Rework
14103 constraints to keep reload happy.
14105 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14107 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
14108 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
14109 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
14110 Add new patterns and associated post-reload splitters.
14112 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14114 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
14116 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14118 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
14120 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
14122 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14124 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
14127 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
14129 * pa.c (move_operand): Rely on memory_address_p to determine the
14130 validity of non-indexed memory addresses.
14131 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
14132 operand in DFmode and SFmode when generating PA2.0 code.
14134 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
14136 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
14138 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
14140 * mips.c (function_prologue): Fix argument types.
14141 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
14142 (casesi_internal): Write to the scratch register.
14144 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
14146 * cppexp.c (cpp_parse_escape): Make static. Change second arg
14148 (parse_charconst): Delete unnecessary cast when calling
14150 (cpplib.h): Kill prototype of cpp_parse_escape.
14152 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
14154 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
14155 * unroll.c (unroll_loop): Cast return value of alloca.
14156 * i370/i370.c: Include function.h and toplev.h.
14157 (i370_label_scan): Remove c++ commented abort.
14158 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
14159 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
14160 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
14161 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
14163 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
14165 * config/t-freebsd: Do not override USER_H.
14166 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
14168 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
14169 Mumit Khan <khan@xraylith.wisc.edu>
14171 * c-parse.in (component_decl): Support anonymous struct/union.
14173 * c-parse.y: Regenerate.
14174 * c-parse.c: Likewise.
14175 * objc/objc-parse.y: Likewise.
14176 * objc/objc-parse.c: Likewise.
14177 * c-decl.c (finish_struct): Don't sort the fields.
14178 (field_decl_cmp): Delete unused function.
14180 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
14182 * sparc.md (movsf_const_intreg): Revert last constraint change.
14183 (movdf_const_intreg_sp32): Likewise.
14185 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
14187 * cse.c: Include hashtab.h instead of splay-tree.h
14188 (struct cse_reg_info): No longer use variant union. Add new
14189 field "regno". All references changed to avoid union.
14190 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
14191 (free_cse_reg_info): Remove.
14192 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
14193 (get_cse_reg_info): Revamp to use expandable hash tables instead
14194 of splay trees. Initialize new fields in cse_reg_info structure.
14195 (new_basic_block): Similarly.
14197 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
14199 * genrecog.c (message_with_line): Prototype.
14200 (validate_pattern): Pass along the set for the dest, not a flag.
14201 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
14202 Check for PC/CC0 as sources.
14203 (nodes_identical): Check for children position match before
14204 allowing the combination.
14206 * rtl.c (read_rtx): Track line number across \\\n.
14208 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
14210 * mips.h (SPECIAL_MODE_PREDICATES): New.
14211 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
14212 (movdi+1, movsi+1): Add output reload constraint.
14213 (casesi_internal): Likewise. Fix commentary.
14214 (return_internal): Use pmode_register_operand.
14216 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
14218 * 1750a.md (movstrqi): Add missing output reload constraint.
14219 (call_value): Likewise.
14220 * a29k.md (cpxxx patterns): Add missing match_operator mode.
14221 (jmpfdec): Add missing inout reload constraint.
14222 * elxsi.md (addsi patterns): Add missing output reload constraint.
14223 (move from sp): Use @ alternates.
14224 (call_value): No constraint on output.
14225 * fr30.md (movsi_pop): Add missing output reload constraint.
14226 (movsf_constant_store): Likewise.
14227 (splits): Remove constraints.
14228 (subsi3): Add missing mode.
14229 * i370.md (cmpstrsi+1): Add missing output reload constraint.
14230 (call_value): Likewise.
14231 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
14232 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
14233 * m32r.md (movsicc_internal): Add output reload constraint.
14234 (movstrsi_internal): Add inout reload constraints.
14235 * m88k.h (reg_names): Don't declare.
14236 (SPECIAL_MODE_PREDICATES): New.
14237 * m88k.md (*): Use register_operand not reg_or_0_operand
14239 * mn10200.h (PREDICATE_CODES): New.
14240 * ns32k.md (ffs pattern): Add output reload constraint.
14241 * pdp11.md (sob pattern): Add inout reload constraint.
14242 * sh.md (splits): Remove constraints.
14243 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
14244 * v850.md (pattern_is_ok_for_epilogue): Likewise.
14245 * vax.md (jgequ pattern): Add inout reload constraint.
14247 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
14249 * configure.in (djgpp): Revert previous patch.
14250 * configure: Rebuit.
14251 * config/i386/djgpp.h: Revert previous patch.
14253 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
14255 * fixinc/inclhack.def: Restore patch lost during last merge of
14256 "no_bogosity" branch.
14257 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
14259 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
14261 * fixincludes: Add a HPUX 11 fix for inttypes.h.
14262 * fixinc/inclhack.def: Same.
14263 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
14265 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
14267 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
14268 as the base of a PLUS.
14270 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14272 * config/c4x/c4x.md: Define mode for remaining unspec operators.
14273 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
14275 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
14277 * pa.md (post_stw+1): Use pmode_register_operand.
14278 (dcacheflush, icacheflush): Likewise.
14280 * i386.md (movstricthi_1): Allow r/r.
14282 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
14284 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
14285 to (not (and (arg0) (arg1))). Similary for and.
14287 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
14288 fallthrough to associate code.
14289 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
14292 * combine.c (simplify_logical): Convert XOR to IOR if operands have
14293 no bits in common; remove XOR to ROTATE conversion.
14295 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14297 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
14299 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14301 * config/c4x/c4x.c (dst_operand): New.
14302 (PREDICATE_CODES): Update.
14303 * config/c4x/c4x.h (dst_operand): Declare it.
14304 * config/c4x/c4x.md: Define mode for each unspec usage.
14305 (move patterns): Use dst_operand predicate instead of src_operand.
14306 (movqi_update, movqf_update): Delete.
14308 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
14310 * recog.c (pmode_register_operand): New.
14311 * recog.h: Declare it.
14312 * genrecog.c (pred_codes): Likewise.
14313 (special_mode_pred_table): Likewise.
14314 (validate_pattern): Don't warn no mode for address_operand.
14316 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
14317 if the operand is not insn-like.
14319 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
14320 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
14322 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
14324 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
14326 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
14327 instead of general_operand in a SET_DEST. Use const_double_operand
14328 instead of an explicit test against CONST_DOUBLE.
14329 (movsf_const_lo): Add missing register mode.
14330 (goto_handler_and_restore): Add auxiliary test for Pmode.
14331 (flush): Adjust to use address_operand.
14332 (return_sf_no_fpu): Add missing output constraint.
14334 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
14336 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
14337 for call return value.
14338 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
14340 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
14342 * toplev.c (main): Only warn about options for other languages.
14343 * collect2.c (main): Pass -w to sub-gcc.
14345 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
14347 * flow.c (propagate_block): Add call-clobbered registers to
14350 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
14351 zapping mem_set_list.
14352 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
14353 (mark_set_1, mark_used_regs): Likewise.
14355 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
14357 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
14359 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14361 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
14362 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
14363 options. Also add a new item "C-only Warning Options" to the
14366 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
14368 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
14369 from multiple calls.
14371 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
14373 * i386.md (call value patterns): Move to the end of the file.
14374 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
14376 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
14378 * configure.in (djgpp configuration): Define extra_objects..
14379 * configure: Rebuilt.
14380 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
14381 (DTORS_SECTION_ASM_OP): Define.
14382 (INIT_SECTION_ASM_OP): Define.
14383 (FINI_SECTION_ASM_OP): Define.
14384 (DATA_SECTION_ASM_OP): Define.
14385 (TEXT_SECTION_ASM_OP): Define.
14386 (EH_FRAME_SECTION_ASM_OP): Define.
14387 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
14388 (STARTFILE_SPEC): Add crtbegin.o.
14389 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
14390 to here from LINK_COMMAND_SPEC.
14391 (DO_GLOBAL_CTORS_BODY): Define.
14392 (CRTSTUFF_USE_FINI_SECTION): Define
14393 (HAS_INIT_SECTION): Delete.
14395 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
14397 * Makefile.in (all.cross): Depend on xcpp$(exeext).
14399 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
14401 * pa.h (PREDICATE_CODES): New.
14403 * genrecog.c (validate_pattern): Condense the destination
14404 non-lvalue message.
14406 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
14408 * alpha.md (call-1): Supply missing mode for operator.
14409 (*): Add missing output reload constraints. Remove constraints
14410 from define_splits.
14412 * i386.h (SPECIAL_MODE_PREDICATES): New.
14413 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
14414 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
14415 (addsi_lea_3): Add missing mode for op 3.
14416 (prologue_set_got, prologue_get_pc): Add missing modes.
14417 (*) Add missing output reload constraints.
14419 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
14421 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
14422 check for member bit-size overflow and use var_size if it occurs.
14423 (layout_record): Use bitsize_int() to define the type size in bits.
14424 Likewise for computation and assignment to DECL_FIELD_BITPOS.
14425 (layout_decl): Likewise when assigning to DECL_SIZE.
14427 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
14429 * genrecog.c (validate_pattern): Typo last change. Verify
14430 that output operands have output reloads.
14432 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
14434 * genrecog.c (special_mode_pred_table): New.
14435 (NUM_SPECIAL_MODE_PREDS): New.
14436 (find_operand): New.
14437 (validate_pattern): New argument `insn'. Warn for assignment to
14438 any predicate accepting non-lvalues. Conditionaly warn for
14439 match_operand without a mode. Try much harder to match source
14440 and destination modes on a set.
14441 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
14443 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
14445 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
14447 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
14449 * combine.c (simplify_logical): Recognize xor pattern that encodes
14452 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14454 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
14457 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
14459 * ggc-page.c (MAP_FAILED): Provide default.
14461 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
14463 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
14464 * sparc.h (PREDICATE_CODES): Update.
14466 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
14468 * alpha.c (some_ni_operand): New.
14469 * alpha-protos.h: Declare it.
14470 * alpha.h (PREDICATE_CODES): Update.
14471 * alpha.md (sXaddq reload insns): Use some_ni_operand
14472 for SET_DEST instead of some_operand.
14474 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
14475 Jim Wilson <wilson@cygnus.com>
14477 * genrecog.c (maybe_both_true_2): Don't compare modes of
14479 (process_tree): Elide peephole2_insns. Invoke simplify_tests
14480 after find_afterward.
14481 (debug_decision_1): Dump next and afterward codes.
14483 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
14485 * rtl.c (dump_and_abort): Remove.
14486 (fatal_with_file_and_line): New.
14487 (fatal_expected_char): New.
14488 (read_rtx_lineno, read_rtx_filename): New.
14489 (read_skip_spaces): Track line number.
14490 (read_name): Use fatal_with_file_and_line.
14491 (read_rtx): Use fatal_expected_char. Track line number.
14492 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
14494 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
14495 if it isn't a CODE_LABEL.
14497 * genattr.c (main): Set read_rtx_filename.
14498 * genattrtab.c (main): Likewise.
14499 * gencodes.c (main): Likewise.
14500 * genconfig.c (main): Likewise.
14501 * genemit.c (main): Likewise.
14502 * genextract.c (main): Likewise.
14503 * genflags.c (main): Likewise.
14504 * genopinit.c (main): Likewise.
14505 * genoutput.c (main): Likewise.
14506 * genpeep.c (main): Likewise.
14508 * genrecog.c (decision_test.u.insn): Add `lineno'.
14509 (pattern_lineno, error_count): New variables.
14510 (message_with_line): New.
14511 (add_to_sequence): Break out checking code to ...
14512 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
14513 (merge_insn): Use message_with_line.
14514 (make_insn_sequence): Use validate_pattern. Record insn lineno.
14515 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
14517 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14519 * expr.c (store_constructor): Clear union if constructor is empty.
14521 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
14523 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
14524 Add !endian checks. Change %{...} to %(...).
14526 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
14528 * i386.md (*addsi3_cc): Renamed from addcsi3.
14529 (*addsi3_carry): Renamed from addxsi3.
14530 (*subsi3_cc): Renamed from subcsi3.
14531 (*subsi3_carry): Renamed from subxsi3.
14532 (*xorqi_cc_1): Renamed from xorcqi_1.
14533 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
14534 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
14536 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
14538 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
14539 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
14541 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
14543 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
14544 climb up the chain of insns.
14546 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
14548 * genrecog.c (write_subroutine): Careful for null trees.
14549 (process_tree): Don't elide empty functions.
14551 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
14553 * Makefile.in (genrtl.o): Depend on ggc.h.
14554 * configure.in (valloc): Probe for it.
14555 (with-gc): Use ggc-page if valloc present.
14556 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
14557 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
14558 (ggc_alloc_string): Moved from ggc-page.c.
14559 * ggc-none.c (ggc_alloc_obj): New.
14560 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
14561 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
14562 (struct globals): Likewise for dev_zero_fd.
14563 (init_ggc): Likewise for it's initialization.
14564 (ggc_allocated_p): Move careful dereference from ...
14565 (ggc_lookup_page_table): ... here. Delete.
14566 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
14567 (alloc_anon): Use valloc if no mmap.
14568 (release_pages): Use free if using valloc.
14569 (ggc_alloc_obj): Renamed from alloc_obj.
14570 (ggc_set_mark): Renamed from mark_obj.
14571 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
14572 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
14573 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
14574 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
14575 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
14576 (ggc_collect): Use fp printing instead of our own rounding.
14577 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
14578 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
14579 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
14580 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
14581 (struct ggc_string, struct ggc_any): Delete.
14582 (offsetof): Provide default definition.
14583 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
14585 (struct ggc_mem): New, from corpse of ggc_any.
14586 (struct ggc_status): Delete.
14587 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
14588 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
14589 (n_strings_collected, n_anys_collected): Delete.
14590 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
14591 (ggc_alloc_string, ggc_alloc): Delete.
14592 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
14593 (ggc_free_string, ggc_free_any): Delete.
14594 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
14595 (ggc_compare_addresses, ggc_mark_string): Delete.
14596 (ggc_mark_string_if_gcable, ggc_mark): Delete.
14597 (search_data): Delete.
14598 (struct globals): New.
14599 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
14600 (tree_insert, tree_lookup): New.
14601 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
14602 (clear_marks, sweep_objs): New.
14603 (ggc_collect): Gut. Use clear_marks, sweep_objs.
14604 (init_ggc): Set allocated_last_gc.
14605 (ggc_push_context): Gut. Use G.context.
14606 (ggc_pop_context): Likewise.
14607 (ggc_pop_context_1): New.
14608 (debug_ggc_tree): New.
14609 (debug_ggc_balance, tally_leaves): New.
14610 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
14611 (ggc_mark_string_if_gcable): Remove decl.
14612 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
14613 (ggc_mark_rtvec_children): New.
14614 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
14615 (ggc_mark_if_gcable): New decl.
14616 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
14617 (ggc_alloc_tree, ggc_alloc): Likewise.
14618 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
14619 (ggc_alloc_obj): New decl.
14620 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
14621 (ggc_alloc_tree, ggc_alloc): Likewise.
14622 (ggc_set_mark): New decl.
14623 * rtl.h (struct rtx_def): Remove gc_mark.
14624 (struct rtvec_def): Likewise.
14625 * tree.h (struct tree_common): Likewise.
14627 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
14629 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
14630 float_format and thread_file definitions.
14631 * configure: Rebuilt.
14633 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
14635 * extend.texi (Function Names): Document types of function names.
14637 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14639 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
14640 an earlyclobbered output conflict with RELOAD_INPUT reloads.
14642 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14644 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
14646 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14648 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
14650 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
14652 * collect2.c (main): Do prelimnary link on AIX if rflag.
14654 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14656 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
14657 __CTOR_LIST__ in opposite order, which is the correct order for sorted
14659 (__do_global_dtors): similarly for __DTOR_LIST__.
14661 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14662 Diego Novillo <dnovillo@cygnus.com>
14664 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
14667 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
14669 * fixincl/*: Merged "no_bogosity" branch
14670 * fixincl/fixlib.h: protect against doubly defining t_bool
14671 * fixincl/server.h: protect against doubly defining t_bool
14673 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
14675 * genoutput.c: Include toplev.h.
14677 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
14679 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
14681 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
14682 * configure: Regenerate.
14684 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
14686 * gcse.c (delete_null_pointer_checks): Returns void.
14688 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14690 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
14691 * emit-rtl.c (copy_insn_1): Likewise.
14693 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
14695 * config/mips/mips.c (mips_build_va_list): Correct
14696 TREE_CHAIN setting when hard-float.
14697 (mips_va_start): Use corrected setting.
14698 (mips_va_arg): Likewise. Also pass a tree to build of
14699 POSTINCREMENT_EXPR rather than a naked 'int'.
14701 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
14703 * ggc.h (ggc_push_context): Fix comment.
14704 (ggc_pop_context): Likewise.
14705 (mark_string_if_gcable): Likewise.
14706 * ggc-common.c (ggc_mark_rtx_children): Use
14707 ggc_mark_string_if_gcable.
14708 * ggc-page.c (ggc_lookup_page_table): New function.
14709 (ggc_allocated_p): Likewise.
14710 (mark_obj): Fix formatting.
14711 (ggc_mark_string_if_gcable): New function.
14712 * ggc-simple.c (ggc_allocated_strings): New variable.
14713 (ggc_strings_used): Likewise.
14714 (ggc_compare_addresses): New function.
14715 (ggc_pop_context): Pop the `any' memory too.
14716 (ggc_mark_string_if_gcable): New function.
14717 (ggc_collect): Initialize and tear down ggc_allocated_strings.
14719 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
14721 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
14722 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
14723 * rs6000.c (expand_block_move): Match movstrsi_?reg register
14726 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
14728 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
14729 (sched_reg_live_length, sched_reg_basic_block): Delete.
14730 (current_block_num, bb_live_regs, old_live_regs): Delete.
14731 (dead_notes, struct sometimes): Delete.
14732 (sched_note_set, birthing_insn_p): Delete.
14733 (adjust_priority): Gut useless reg lifetime code.
14734 (create_reg_dead_note, attach_deaths): Delete.
14735 (attach_deaths_insn, new_sometimes_live): Delete.
14736 (finish_sometimes_live): Delete.
14737 (find_pre_sched_live, find_post_sched_live): Delete.
14738 (update_reg_usage): Delete.
14739 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
14740 (schedule_insns): Delete reg lifetime code.
14741 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
14742 (unlink_other_notes): Adjust REG_NOTE commentary.
14743 (reemit_notes): Use REG_SAVE_NOTE.
14744 (schedule_block): Likewise.
14745 (schedule_region): Allocate bitmap of blocks in region. Use
14746 count_or_remove_death_notes. Use update_life_info.
14748 * rtl.h (REG_SAVE_NOTE): New.
14749 * rtl.c (reg_note_name): Update.
14751 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
14753 * combine.c (refresh_blocks, need_refresh): New.
14754 (combine_instructions): Allocate refresh_blocks. Invoke
14755 update_life_info if needed.
14756 (distribute_notes): Mark refresh_blocks instead of installing
14758 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
14759 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
14761 * Makefile.in (recog.o): Depend on basic-block.h.
14763 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
14765 * genrecog.c (add_to_sequence): Thinko last change: delete
14766 shadowing allow_const_int variable.
14768 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14770 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
14771 __GNUC__ and __GNUC_MINOR__.
14773 * gansidecl.h: Likewise.
14779 * toplev.h: Likewise.
14781 * tree.c: Likewise.
14783 * tree.h: Likewise.
14785 * varray.c: Likewise.
14787 * varray.h: Likewise.
14789 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14791 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
14792 use one before a jump table.
14794 * rtl.def (ADDRESS): Change documentation to match reality.
14795 * md.texi: Don't document it.
14796 * gmicro.md (load address pattern): Use 'p' constraint, delete use
14799 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
14801 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
14803 * genrecog.c (add_to_sequence): Move allow_const_int test outside
14804 known predicate block; default allow_const_int true.
14805 (debug_decision_list): New.
14807 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
14809 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
14811 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
14813 * gcse.c (gcse_main): Avoid global optimizations if we have a
14814 large number of basic blocks and the ratio of edges to blocks
14816 (delete_null_pointer_checks): Likewise.
14818 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
14820 * c-common.c (check_format_info): Warn if format string isn't a
14823 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
14825 * configure.in (arm*-*-*): Don't let autoconf remove brackets
14826 * configure: regenerate
14828 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
14830 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
14831 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
14832 (peepholes): Re-enable.
14834 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
14836 * Makefile.in (flow.o): Depend on TREE_H.
14837 * basic-block.h (REG_SET_EQUAL_P): New.
14838 (XOR_REG_SET): New.
14839 (n_edges): Declare.
14840 (free_regset_vector): Remove declaration.
14841 (flow_delete_insn_chain): Declare.
14842 (enum update_life_extent): New.
14843 (update_life_info, count_or_remove_death_notes): Declare.
14844 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
14845 Verify register live at bb->global_live_at_start before adding USE.
14846 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
14847 (CLEAN_ALLOCA): New.
14849 (PROP_*): New flags.
14850 (find_basic_blocks_1): Use alloc_EXPR_LIST.
14851 (clear_edges): Zero n_edges.
14852 (make_edge): Increment n_edges.
14853 (split_edge): Don't allocate bb->local_set. Increment n_edges.
14854 (flow_delete_insn_chain): Export.
14855 (delete_block): Decrement n_edges.
14856 (merge_blocks_nomove): Likewise.
14857 (life_analysis): Give life_analysis_1 PROP flags.
14858 (verify_wide_reg_1, verify_wide_reg): New.
14859 (verify_local_live_at_start): New.
14860 (update_life_info): Rewrite to call into propogate_block.
14862 (mark_regs_live_at_end): After reload, if epilogue as rtl,
14863 always mark stack pointer. Conditionally mark PIC register.
14864 After reload, mark call-saved registers, return regsiters.
14865 (life_analysis_1): Accept PROP flags not remove_dead_code.
14866 Call mark_regs_live_at_end before zeroing regs_ever_live.
14867 Use calculate_global_regs_live. Copy global_live_at_end before
14868 calling final propagate_block. Zero reg_next_use on exit.
14869 (calculate_global_regs_live): New.
14870 (allocate_bb_life_data): Don't allocate bb->local_set.
14871 (init_regset_vector, free_regset_vector): Remove.
14872 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
14873 Test flags before every operation. Warn if prologue/epilogue insn
14874 would have been deleted.
14875 (mark_set_regs, mark_set_1): Accept and use FLAGS.
14876 Use alloc_EXPR_LIST.
14877 (mark_used_regs): Accept and use FLAGS, not FINAL.
14878 Remove special handling for RETURN.
14879 (try_pre_increment): Use alloc_EXPR_LIST.
14880 (dump_flow_info): Dump n_edges.
14881 (unlink_insn_chain, split_hard_reg_notes): Remove.
14882 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
14883 (find_insn_with_note, new_insn_dead_notes): Remove.
14884 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
14885 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
14886 (replace_insns): Remove.
14887 (count_or_remove_death_notes): New.
14888 (verify_flow_info): Abort on error after all checks.
14889 (remove_edge): Decrement n_edges.
14890 (remove_fake_edges): Tweek format.
14891 * haifa-sched.c (schedule_insns): Use split_all_insns.
14892 * output.h (update_life_info): Remove declaration.
14893 * recog.c (split_all_insns): From the corpse of split_block_insns,
14894 do the whole function block by block. Use update_life_info.
14895 (recog_last_allowed_insn): New.
14896 (recog_next_insn): Mind it.
14897 (peephole2_optimize): Set it. Walk backwards through blocks.
14898 Use update_life_info.
14899 * rtl.h (update_flow_info, replace_insns): Remove declarations.
14900 (split_all_insns): Declare.
14901 * toplev.c (rest_of_compilation): Thread prologue before flow2.
14902 Use split_all_insns.
14904 * i386.md (or -1 peep2s): Disable.
14906 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
14908 * config/mips/mips.md (movstrsi+[123]) : Combine these into
14909 a single pattern. Scrap the 'd' versions as unnecessary.
14911 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
14912 tablejump_mips162,tablejump_internal4): The operands to a
14913 label_ref must be VOIDmode.
14915 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14917 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
14919 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
14921 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
14923 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
14925 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
14926 cache every function if ggc_p.
14928 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14930 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
14931 instead of copy_rtx. Accept sequences that contain asm statements.
14932 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
14933 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
14934 orig_asm_operands_vector, copy_asm_operands_vector,
14935 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
14937 * rtl.h (copy_insn, copy_insn_1): Declare.
14939 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14941 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
14943 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
14944 arguments to `current_file_function_operand'.
14946 * genrecog.c: Include hard-reg-set.h and resource.h in the
14947 generated output file.
14949 * real.c: Include tm_p.h.
14951 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14953 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
14956 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
14958 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
14959 before the fctiwz insn.
14961 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14962 Mark Mitchell <mark@codesourcery.com>
14964 * tree.c (make_lang_type_fn): New funtion pointer.
14965 (make_lang_type): Call it.
14966 * tree.h (make_lang_type): Declare.
14967 (make_lang_type_fn): Likewise.
14968 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
14970 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
14972 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
14973 make sure that HIGH instructions are copied into BASE_REGS.
14975 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
14977 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
14979 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
14981 * c-decl.c (finish_struct): Use simpler method of
14982 removing elements of a singly-linked list.
14984 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
14986 * alpha.md (peephole2's): Comment out peephole2's that generate
14989 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
14991 * genrecog.c (add_to_sequence): Disable mode check for
14994 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14996 * ggc-simple.c (init_ggc): Set empty_string.
14998 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
15000 * configure.in: Detect mmap. Add --with-gc=foo to select
15001 garbage collector; default to page if mmap available.
15002 * Makefile.in (GGC): Substitute.
15004 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
15006 * c-decl.c (ggc_p): Enable.
15008 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15010 * flow.c (verify_flow_info): Make it extern & unconditionally define.
15012 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
15014 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
15015 string for little-endian-data.
15017 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
15019 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
15020 case somebody tries to compile --enable-checking code with gcc
15023 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
15025 * genrecog.c (add_to_sequence): Verify operand to label_ref is
15028 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
15030 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
15031 * jump.c (jump_optimize_1): Document why.
15033 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15035 * collect2.c (scan_prog_file, scan_libraries): Prototype function
15036 pointers and casts for `int_handler' and `quit_handler'.
15038 * flow.c (verify_flow_info, split_hard_reg_notes,
15039 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
15040 remove_edge, remove_fake_successors): Add static prototypes.
15041 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
15042 (mark_set_1): Initialize variable `regno'.
15043 (unlink_insn_chain): Likewise for variable `curr'.
15044 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
15046 * loop.c (strength_reduce): Initialize variable
15047 `unrolled_insn_copies'.
15048 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
15049 prototypes. Change these functions to take const PTR parameters
15050 to avoid prototype conflict when used as the comparson argument
15052 (check_dbra_loop): Initialize variable `comparison_val'.
15054 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
15055 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
15056 (find_valid_class): Initialize variable `best_class'.
15057 (find_reloads): Call memcpy, not bcopy.
15059 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
15060 (hard_reg_use_compare): Don't needlessly cast away const.
15061 (reload_reg_class_lower): Likewise.
15062 (choose_reload_regs): Initialize variable `regno'.
15064 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
15066 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
15068 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
15070 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
15071 ({,d}discard): Add forward declarations. Declare parameter as
15073 (main_without_main): Explicitly declare return type to be int.
15074 (memcpy): Properly declare.
15076 * libgcc2.c (toplevel): If inhibit_libc is defined and not
15077 building the trampoline support, declare malloc, free, and
15079 (__clear_cache): Mark arguments as potentially unused.
15081 * frame.c (toplevel): If inhibit_libc is defined, declare
15084 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
15086 * flow.c (make_edge): Accept an optional 2D bitmap in which
15087 to cache edge existence. Update all callers.
15088 (make_label_edge, make_eh_edge): Pass through the edge cache.
15089 (make_edges): Provide the cache.
15091 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15093 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
15095 (local_mbtowc): Change the type of variable `i' from int to size_t.
15097 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
15098 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
15100 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
15102 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
15103 after other includes that define the appropriate types. Include
15104 tm_p.h for getting user prototypes.
15105 * ggc-callbacks.c (toplevel): Ditto.
15106 * ggc-none.c (toplevel): Ditto.
15107 * gcc-page.c (toplevel): Ditto.
15108 * ggc-simple.c (toplevel): Ditto.
15110 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
15111 Jonathan Larmour <jlarmour@cygnus.co.uk>
15113 * config/mips/mips.c (mips_move_2words): Split doubles if
15114 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
15116 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
15118 * genrecog.c (struct decision_test): New.
15119 (struct decision): Remove test-related members, sort the rest by size.
15120 (IS_SPLIT): Simplify.
15121 (new_decision, new_decision_test): New.
15122 (add_to_sequence): Use them. No special handling for args of
15124 (maybe_both_true): Renamed from not_both_true; return sense changed.
15125 (maybe_both_true_1, maybe_both_true_2): New. Broken out
15126 of maybe_both_true and adjusted for decision_test.
15127 (position_merit): Remove.
15128 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
15129 (merge_accept_insn): New, broken out of merge_trees.
15130 (merge_trees): Use them. No special case for c_test; no node
15131 splitting; use test type instead of position_merit.
15132 (factor_tests): New.
15133 (simplify_tests): New.
15134 (break_out_subroutines): Don't write code now.
15135 (find_afterward): New.
15136 (write_afterward, write_switch, write_cond): New.
15137 (write_action, is_unconditional): New.
15138 (write_node): New. Use them.
15139 (write_tree_1): Rewrite. Use the new functions above.
15140 (write_tree): Remove afterward processing.
15141 (write_subroutine): Simplify function variant emission.
15142 (write_subroutines): New.
15143 (same_codes, clear_codes): Remove.
15144 (same_modes, clear_modes): Remove.
15145 (write_header): New, broken out of main.
15146 (make_insn_sequence): Use new_decision and new_decision_test.
15147 (process_tree): New, broken out of main.
15148 (main): Adjust for merge_trees interface change.
15149 Don't #define operands in the output file.
15150 (record_insn_name): New, broken out of make_insn_sequence.
15151 (debug_decision_2, debug_decision_1, debug_decision_0): New.
15152 (debug_decision): New.
15154 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
15156 * resource.c (find_free_register): Mark class_str argument const.
15157 * resource.h: Update prototype to match.
15159 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
15160 * i386.md: Give all anonymous insns names.
15162 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
15164 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
15167 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
15169 * toplev.c (dbr_sched_time): Unconditional.
15170 (peephole2_time): New.
15171 (compile_file): Add pass numbers to all of the dump file suffixes.
15172 Dump peephole2_time. Don't dump times for non-applicable passes.
15173 (rest_of_compilation): Add pass numbers to dump file suffixes.
15174 Conditionalize calls to the scheduler.
15175 * invoke.texi: Update.
15177 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
15179 * flow.c (make_edges): Fix insn iteration.
15180 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
15181 (find_basic_blocks_1): Fix spelling mistake.
15183 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
15185 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
15186 always have side-effects. Use memset not bzero.
15187 (make_node): Likewise.
15189 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
15191 * stmt.c (expand_anon_union_decl): When any of the elements of the
15192 union is addressable, so is the entire union.
15194 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
15196 * sbitmap.c (sbitmap_ones): Don't set too many bits.
15198 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
15199 * bitmap.c (bitmap_operation): Return true iff TO changed.
15200 (bitmap_equal_p): New.
15201 (bitmap_bit_p): Tidy arithmetic.
15202 (debug_bitmap_file): Likewise.
15204 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
15206 * toplev.c (rest_of_compilation): Turn on cse_not_expected
15207 before cse2 instead of after.
15209 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
15211 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
15214 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15216 * cppinit.c (is_idchar initializer): Loosen tests to accept
15219 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
15221 * mips.md: Define conditional move patterns for floating point
15222 operands and DI mode conditions.
15224 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
15226 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
15227 always have side-effects.
15229 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
15231 * mn10200.c (asm_file_start): Fix typo.
15233 * cppinit.c (is_idchar initializer): Tighten tests for when
15234 to put the table into initialized memory.
15236 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
15237 not an array of rtunion.
15238 * gcc-page.c (ggc_alloc_rtvec): Similarly.
15239 * gcc-simple (ggc_free_rtvec): Similarly.
15241 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
15244 * mbchar.h: Add missing #endif.
15246 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
15247 (FPBIT, DPBIT): Define.
15249 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15251 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
15253 * profile.c (instrument_arcs, output_gcov_string,
15254 tablejump_entry_p): Add static prototypes.
15255 (output_gcov_string): Constify a char*.
15257 * regmove.c (replacement_quality, fixup_match_2): Add static
15260 * resource.h (reg_dead_p): Add extern prototype.
15262 * rtl.c (trim_filename): Add static prototype.
15264 * scan-decls.c (skip_to_closing_brace): Likewise.
15266 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
15267 (expand_end_case): Initialize variable `range'.
15268 (emit_case_nodes): Remove unused prototype `rtx_fn'.
15270 * varasm.c (asm_emit_uninitialised): Add static prototype.
15271 (asm_emit_uninitialised, assemble_variable): Mark parameter with
15274 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15276 * cpplib.c (if_directive_nameo): Add static prototype.
15278 * cse.c (cse_insn): Remove unused variable `p'.
15280 * except.c (create_rethrow_ref, push_entry,
15281 receive_exception_label, new_eh_region_entry, find_func_region,
15282 clear_function_eh_region, process_nestinfo): Add static prototypes.
15283 (get_reg_for_handler): Hide definition.
15284 (process_nestinfo): Initialize variable `extra_handlers'.
15286 * expr.h (expand_builtin_longjmp): Add extern prototype.
15288 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
15290 * function.c (prepare_function_start): Likewise.
15291 (pop_function_context_from): Mark parameter `context' with
15293 (push_temp_slots_for_block, flush_addressof): Hide definition.
15295 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
15296 solve_program_flow_graph, calculate_branch_probs,
15297 function_summary, main, fancy_abort): Add prototypes.
15299 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
15300 (add_hash): Constify a char*.
15302 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
15303 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
15304 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
15306 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
15308 * lists.c (free_list, zap_lists): Likewise.
15310 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15312 * alias.c (nonlocal_reference_p): Add static prototype.
15314 * bitmap.c (bitmap_element_allocate): Prototype args in function
15317 * builtins.c (stabilize_va_list): Add static prototype.
15318 (expand_builtin_va_arg): Constify a char*.
15320 * c-lex.c (getch, put_back, extend_token_buffer_to,
15321 read_line_number, token_getch, token_put_back): Add static
15324 * c-parse.gperf (hash, is_reserved_word): Likewise.
15326 * cccp.c (is_dir_separator): Likewise.
15328 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15330 * graph.h: New file to prototype functions exported by graph.c.
15332 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
15334 * graph.c: Include graph.h.
15336 * toplev.c: Likewise. Remove redundant prototypes.
15338 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
15340 * invoke.texi: Removed duplicated description for -Q.
15342 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
15344 * extend.texi: Grammar fix in __extension__ text.
15346 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
15348 * md.texi (define_peephole2): New section.
15350 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
15352 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
15353 (mov $-1 to or peepholer): Enable for pentium when optimizing for
15356 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
15358 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
15360 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
15362 * i386.md (ffs expander): Emit Pentium friendly code for
15365 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
15367 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
15369 (build1): Likewise.
15371 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15373 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
15375 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
15377 * config/m68k/m68k.c (use_return_insn): Return false if the pic
15378 register is in use.
15380 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15382 * md.texi (No Constraints): Delete section.
15383 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
15384 * final.c (final_scan_insn): We always have register constraints.
15385 * genattrtab.c: Don't include "insn-config.h".
15386 (write_attr_case): We always have register constraints.
15387 * genconfig.c (register_constraint_flag): Delete.
15388 (walk_insn_part): Don't check whether we have register constraints.
15389 (main): Don't write out "#define REGISTER_CONSTRAINTS".
15390 * genoutput.c (have_constraints): Delete.
15391 (main): Don't set it.
15392 (output_operand_data): We always have constraints.
15393 (scan_operands): Likewise.
15394 (compare_operands): Likewise.
15395 * local-alloc.c (block_alloc): We always have constraints.
15396 (requires_inout): Always compile this function.
15397 * recog.c (extract_insn): We always have constraints.
15398 (constrain_operands, reg_fits_class_p): Always compile these
15400 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
15402 (struct insn_operand_data): Likewise.
15403 * regclass.c (regclass): We always have constraints.
15404 (record_reg_classes, copy_cost, record_address_regs,
15405 auto_inc_dec_reg_p): Always compile these functions.
15406 * regmove.c (regmove_optimize): We always have constraints.
15407 * reload.c (find_reloads): Likewise.
15408 * reload1.c (reload): Likewise.
15409 (reload_cse_simplify_operands): Likewise.
15410 * i860.c (output_delay_insn): Likewise.
15412 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
15414 * iris6.h (BUILD_VA_LIST_TYPE): Define.
15416 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15418 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
15419 for the va_list record.
15421 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
15423 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
15426 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
15428 * alias.c: Include insn-flags.h.
15429 * Makefile.in (alias.o): Update.
15431 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
15433 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
15434 to LTU and GEU. Handle more cases using sbb.
15436 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
15438 * i386.md (truncatexfdf splitters): Do not use subreg.
15439 (fop XFmode patterns): Fix mode in operand testing.
15441 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
15443 * jump.c (jump_optimize_1): Amend last change to test only the
15444 form of the operand, not the insn.
15446 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
15447 not register_operand to determine when B may need preloading.
15449 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
15451 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
15452 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
15453 (call-value patterns): Move to end of file.
15454 (*): Remove mode from label_ref in (pc) context.
15455 (movstrqi): Use memory not general_operand for BLKmode operands.
15456 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
15457 to register_operand operands.
15458 (peep2 patterns): Convert from commented-out peephole patterns.
15460 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15462 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
15463 to BUILT_IN_INIT_DWARF_REG_SIZES.
15464 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
15465 Renamed from BUILT_IN_DWARF_REG_SIZE; call
15466 expand_builtin_init_dwarf_reg_sizes.
15467 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
15468 with __builtin_init_dwarf_reg_size_table.
15469 * dwarf2out.c (struct reg_size_range): Delete.
15470 (expand_builtin_init_dwarf_reg_sizes): New function.
15471 (expand_builtin_dwarf_reg_size): Delete.
15472 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
15473 (expand_builtin_dwarf_reg_size): Don't declare.
15474 * libgcc2.c (dwarf_reg_size_table_initialized): New.
15475 (dwarf_reg_size_table): New.
15476 (init_reg_size_table): New function.
15477 (copy_reg): Use dwarf_reg_size_table.
15478 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
15481 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
15483 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
15484 Correctly build argument list to constructor and destructor functions.
15486 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
15488 * c-tree.h (warn_float_equal): Declare.
15489 * c-decl.c (warn_float_equal): Define.
15490 (c_decode_option): Recognize -W[no-]float-equal.
15491 * c-typeck.c (build_binary_op): Conditionally warn
15492 about equality tests of floating point types.
15493 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
15494 * invoke.texi: Add docs for -Wfloat-equal warning.
15496 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
15498 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
15499 generating RTL directly.
15500 * mips.h (INIT_TARGET_OPTABS): Likewise.
15501 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
15503 * expr.h (init_mov_optab): Delete declaration
15505 * h8300.c (WORD_REG_USED): Update to avoid useless register
15506 saves in interrupt functions and functions which never return.
15508 * cse.c (struct set): Delete inner_dest_loc field.
15509 (cse_insn): Remove assignments to inner_dest_loc field.
15511 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
15513 * ggc-page.c: Don't include <unistd.h> etc taken care of
15514 by "system.h". Include <sys/mman.h> afterward.
15516 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
15518 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
15521 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
15523 * xcoffout.c (xcoffout_declare_function): Add documentation.
15524 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
15525 TARGET_64BIT. Compare constant to -1, not bit pattern.
15526 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
15527 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
15530 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
15532 * dwarf2out.c (add_abstract_origin_attribute): Abort if
15533 origin_die is NULL.
15534 (gen_inlined_enumeration_type_die): Do not abort if the type has
15535 not been writeen out.
15536 (gen_inlined_structure_type_die): Do not abort if the type has
15537 not been writeen out.
15538 (gen_inlined_union_type_die): Do not abort if the type has
15539 not been writeen out.
15540 (gen_tagged_type_instantiation_die): Do not abort if the type
15541 has not been written out.
15543 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15545 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
15547 * reg-stack.c (straighten_stack): Copy hard reg set with
15550 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
15552 * builtins.c (stabilize_va_list): Stabilize array type va_list
15553 to a pointer type, not the base record type.
15554 (expand_builtin_va_copy): Dereference the pointers explicitly;
15555 use the correct size for the copy.
15557 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
15558 (rs6000_va_arg): Likewise.
15560 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
15562 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
15564 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
15566 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
15568 (DECL_BUILT_IN_CLASS): Adjust accordingly.
15570 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
15572 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
15573 (init_ggc): Use it instead of a constant.
15574 (ggc_collect): Bound allocated_last_gc by it.
15576 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
15578 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
15581 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
15583 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
15584 (mips*-*-openbsd*): Let big endian configuration be a fragment.
15585 * configure: Regen.
15586 * config/mips/openbsd.h: New, OpenBSD little endian target.
15587 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
15588 * config/mips/xm-openbsd.h: New, OpenBSD host.
15590 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
15592 * config/m68k/m68k.c (output_function_prologue,
15593 output_function_epilogue): Use
15594 current_function_uses_pic_offset_table instead of regs_ever_live
15595 to decide whether to save/restore pic register.
15596 (legitimize_pic_address): Don't modify regs_ever_live any more.
15598 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
15600 * function.h (struct function): Add x_dont_save_pending_sizes_p.
15601 * stor-layout.c (variable_size): Don't add sizes to the pending
15602 sizes list if x_dont_save_pending_sizes_p is set.
15604 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
15606 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
15607 for symbolic_operand().
15608 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
15610 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15612 * combine.c (gen_rtx_combine): Add missing call to va_end().
15614 * final.c (asm_fprintf): Likewise.
15616 * genattrtab.c (attr_rtx): Likewise.
15618 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
15620 * cse.c: Update comments.
15621 (cse_insn): When converting a conditional/computed jump into
15622 an unconditional jump, always make sure a BARRIER immediately
15623 follows the converted jump. Do not delete unreachable code.
15624 (cse_basic_block): Do not delete unreachable code.
15625 * toplev.c (rest_of_compilation): Move call to
15626 delete_trivially_dead_insns after the conditional call to
15629 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15631 * collect2.c (make_temp_file): Don't prototype.
15633 * gcc.c (make_temp_file): Likewise.
15635 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
15637 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
15639 * varasm.c (asm_emit_uninitialised): New function: Generate
15640 the assembler statements necessary to declare an uninitialised
15642 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
15644 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
15645 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
15647 (assemble_variable): Use asm_emit_uninitialised to emit an
15648 uninitialised variable.
15650 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
15652 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
15653 constant on a 64 bit host. Patch supplied by Geoffrey Keating
15654 <geoffk@cygnus.com>.
15656 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15658 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
15659 * c-common.h (builtin_function): Don't declare.
15661 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
15663 (pushdecl): Likewise.
15664 (finish_decl): Likewise.
15665 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
15666 int. All callers changed.
15667 Set the builtin's DECL_BUILT_IN_CLASS.
15668 * tree.h (enum built_in_class): New.
15669 (enum built_in_function): Delete NOT_BUILT_IN.
15670 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
15672 (DECL_SET_FUNCTION_CODE): Likewise.
15673 (DECL_BUILT_IN_CLASS): New macro.
15674 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
15675 (struct tree_decl): Split builtin function code field into a
15677 (builtin_function): Declare.
15679 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
15681 * optabs.c (init_traps): Fix typo in last change.
15683 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
15685 * toplev.c (rest_of_decl_compilation): Update comment.
15687 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
15689 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
15690 in .sbss if appropriate.
15691 (EXTRA_SECTION_FUNCTIONS): Add sbss.
15692 (SBSS_SECTION_ASM_OP): New macro.
15693 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
15694 (EXTRA_SECTIONS): Add in_sbss.
15695 * config/mips/mips.h: Prototype sbss_section.
15697 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
15699 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
15702 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
15704 * optabs.c (init_traps): Register trap_rtx as a GC root.
15706 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15708 * config/mips/mips.c (function_arg_pass_by_reference): Define
15709 unconditionally, since it's called unconditionally.
15711 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
15713 * toplev.c (documented_lang_options): Add -fshort-wchar.
15714 * c-decl.c (c_decode_option): Likewise.
15715 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
15717 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
15718 * gcc.c (default_compilers): If -fshort-wchar,
15719 override __WCHAR_TYPE__.
15720 * tm.texi (C Dialect Options): Add -fshort-wchar.
15722 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
15723 symbol for a variable.
15725 * cpplib.h (CPP_PREPROCESSED): New macro.
15726 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
15727 we're seeing this input for a second time.
15729 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
15731 * emit-rtl.c (init_emit_once): Initialize modes first.
15733 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
15735 * config/i386/i386.c (pic_label_name): Change to char pointer.
15736 (global_offset_table): New variable.
15737 (load_pic_register): Fill global_offset_table if it hasn't
15738 already been done. Allocate pic_label_name dynamically.
15739 * ggc.h (empty_string): New variable.
15740 * ggc-simple.c (empty_string): Likewise.
15741 (init_ggc): Allocate empty_string and add as root.
15742 * stmt.c (digit_strings): New variable.
15743 (init_stmt): Add last_block_end_note as root. Allocate and
15744 initialize digit_strings.
15745 (expand_asm_operands): Use empty_string instead of string
15746 constant. Use digit_strings instead of string constants.
15747 * profile.c (init_arc_profiler): Allocate string with
15748 ggc_alloc_string instead of xmalloc.
15749 (output_func_start_profiler): Likewise.
15750 * c-typeck.c (digest_init): Check if init is error_mark_node.
15752 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
15753 Richard Henderson <rth@cygnus.com>
15755 * ggc-page.c: New file.
15756 * Makefile.in (ggc-page.o): New.
15758 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
15760 * invoke.texi: Document -fdelete-null-pointer-checks
15761 * toplev.c (flag_delete_null_pointer_checks): New.
15762 (f_options): Add entry for -fdelete-null-pointer-checks.
15763 (rest_of_compilation): Conditionalize null pointer check
15764 elimination on flag_delete_null_pointer_checks.
15765 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
15767 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
15769 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
15770 copyright notice and special exception to GPL.
15772 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15774 * abi64.h (mips_function_value): Add prototype arguments.
15776 * mips-protos.h: New file with mips prototypes.
15778 * mips.c: Include "tm_p.h".
15779 (mktemp, lookup_name): Add prototype arguments.
15780 (extern_list, string_constant, mips_fill_delay_slot,
15781 mips_output_external, mips_output_external_libcall,
15782 mips_output_filename, mips_declare_object, function_prologue,
15783 mips_expand_prologue, function_epilogue, mips16_constant,
15784 build_mips16_function_stub, mips_output_conditional_branch):
15786 (mips_va_start): Remove unused variable `u'.
15787 (mips_va_arg): Cast value to unsigned when comparing against one.
15789 (save_restore_insns, mips_expand_prologue): Add missing arg in
15790 call to `large_int'.
15792 * mips.h: Move prototypes to mips-protos.h.
15793 (data_section, memory_address_p, rdata_section,
15794 readonly_data_section, simple_epilogue_p, text_section): Delete
15795 prototypes delcared elsewhere.
15796 (mips_epilogue_delay_slots, print_options): Delete unused decls.
15798 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
15800 * mips.md: Delete extra args in call to `mips_move_2words'.
15802 * xm-iris6.h (alloca): Add prototype argument.
15804 * genpeep.c: Include "tm_p.h" in generated output file.
15806 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15808 * basic-block.h (find_edge_index): Change parameters.
15809 * flow.c (verify_edge_list): Pass basic_block parameters to
15810 find_edge_index instead of integers.
15812 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
15814 * combine.c (simplify_comparison): Use an unsigned shift to adjust
15817 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
15819 * gcc.1: Fix a formatting error.
15821 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15823 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
15824 i786, mn10200, mn10300, pdp11, v850.
15826 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
15828 * libgcc2.c (num_digits): Add prototype with
15829 __attribute__((const)).
15830 (__terminate): Add prototype.
15832 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
15834 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
15836 * alpha/alpha.c (print_operand): Fix type of `code'.
15837 (alpha_output_filename): Constify.
15838 * alpha/alpha.h: Move all function declarations ...
15839 * alpha/alpha-protos.h: ... here. New file.
15840 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
15841 (SECTION_FUNCTION_TEMPLATE): Likewise.
15843 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15845 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
15846 * expr.c (expand_expr): Likewise.
15847 (do_jump): Likewise.
15848 (do_store_flag): Pass ccp_store_flag to can_compare_p.
15849 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
15851 (enum can_compare_purpose): New.
15852 (can_compare_p): Adjust prototype.
15853 (prepare_cmp_insn, prepare_operand): Declare.
15854 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
15855 * optabs.c (cmp_available_p): Deleted.
15856 (expand_abs): Pass ccp_jump to can_compare_p.
15857 (can_compare_p): New arg PURPOSE. Check for combined optabs.
15858 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
15859 Call can_compare_p rather than cmp_available_p.
15860 (prepare_operand): No longer static.
15861 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
15862 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
15863 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
15864 sequence to use emit_cmp_and_jump_insns.
15865 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
15867 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
15869 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
15870 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
15871 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
15872 (plus (reg) (const_int 0))
15873 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
15875 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
15877 * rs6000.c (expand_block_move): DImode loads and stores require
15878 word-aligned displacements. Increment address registers with
15879 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
15881 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
15883 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
15884 is no name for the base type, rather than segfault. If we are
15885 writing out a complex integer type, use DW_ATE_lo_user.
15887 * expr.c (emit_move_insn_1): If we are copying a complex that fits
15888 in one word or less (complex char, complex short, or on 64 bit
15889 systems complex float) to/from a hard register, copy it through
15890 memory instead of dying in gen_{real,imag}part. If we have a
15891 short complex type, prevent inlining since it allocates stack
15894 * tree.c (build_complex_type): If we are writing dwarf2 output,
15895 generate a name for complex integer types.
15897 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15899 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
15900 * flow.c (remove_edge): Remove extra whitespace.
15901 (remove_fake_edges): Fix comment.
15902 (add_noreturn_fake_exit_edges): Use the correct name.
15904 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
15906 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
15907 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
15908 (clean): Depend on INTL_CLEAN.
15909 (maintainer-clean): Adjust.
15911 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15913 * configure.in (AC_PREREQ): Bump to 2.13.
15914 (AC_C_STRINGIZE): Call this instead of using a custom macro.
15916 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
15918 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
15920 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
15922 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
15923 (HAVE_STRINGIZE): Define.
15925 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
15927 * c-parse.in: save and restore warn_pointer_arith on __extension__
15928 along with pedantic.
15929 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
15930 Set the type of extension to itype rather than $<itype>1 kludge.
15931 * extend.texi (Alternate Keywords): Adjust documentation.
15932 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
15934 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
15936 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
15937 most assembler templates.
15939 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
15940 FP loads and stores.
15941 (following_call): Always return zero for the PA8000.
15942 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
15943 FP loads and stores.
15944 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
15946 * pa.h (BRANCH_COST): Define.
15948 * pa.md (return, return_internal): Use bve for PA2.0.
15950 * pa.md (fused multiply): Add variants which reduce height for the
15951 fused multiply, but which still generate 2 insns.
15952 (fnegabs): Similarly.
15954 * pa.md (subsi3): Turn into an expander. Create two anonymous
15955 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
15956 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
15958 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
15960 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
15962 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
15963 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
15965 * regclass.c (init_regs): Add "top_of_stack" as a garbage
15968 * flow.c (record_active_eh_regions): Terminate loop after finding
15969 the last insn in the last basic block.
15971 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15973 * config/c4x/c4x.md: Delete parallel instruction peepholes.
15975 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15977 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
15979 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15981 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
15982 splitting to not use output template.
15984 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15986 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
15987 * config/c4x/c4x.c (c4x_va_start): New function.
15989 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
15991 * genrecog.c (not_both_true): Handle correctly cases when called for
15992 tests with different positions in the insn.
15994 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15996 * machmode.h (HOST_PTR_PRINTF): Move from here ...
15998 * system.h (HOST_PTR_PRINTF): ... to here.
16000 * mips-tfile.c: Don't include machmode.h.
16002 * Makefile.in (MACHMODE_H): New variable. Update to use it.
16003 (mips-tfile.o): Don't depend on machmode.h.
16005 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16007 * haifa-sched.c (sched_analyze): Rename local variable `region' to
16008 avoid conflicts with typedef struct `region' at the top level scope.
16010 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
16012 * basic-block.h (basic_block): Add eh_beg, eh_end.
16013 * flow.c (entry_exit_blocks): Update.
16014 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
16015 Call new functions.
16016 (find_basic_blocks_1): Don't record eh_list at each bb. Use
16017 lists.c functions to allocate insn lists.
16018 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
16020 (make_eh_edge): ... here. New.
16021 (move_stray_eh_region_notes): New.
16022 (record_active_eh_regions): New.
16023 (delete_unreachable_blocks): Split out block merging ...
16024 (try_merge_blocks): ... here. New.
16025 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
16026 Dump debugging data.
16027 (merge_blocks_move_successor_nojumps): Likewise.
16028 (merge_blocks): Use eh_beg+eh_end to validate block movement.
16030 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16032 * extend.texi (Bound member functions): Document unbound pmf
16035 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16037 * flow.c (split_edge): Handle insertion on a fallthrough edge which
16038 has the EXIT_BLOCK as a dest.
16040 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16042 * flow.c (remove_edge): New function to remove an edge from the
16044 (remove_fake_successors): New function to remove fake successor edges.
16045 (remove_fake_edges): New function to remove all fake edges from the
16047 (add_fake_exit_edges): New function to add fake edges from all blocks
16048 with no successors to the exit block.
16049 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
16050 prototypes for new functions.
16052 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16054 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
16055 Use Pmode to determine whether to output .dword or .word.
16057 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
16059 * tree.c (built_in_filename): New variable.
16060 (BUILT_IN_FILENAME): New macro.
16061 (init_tree_codes): Allocate built_in_filename.
16062 (make_node): Use built_in_filename instead of string constant.
16064 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
16066 * configure.in: Add fr30 target.
16067 * configure: Regenerate.
16068 * config/fr30: New directory.
16069 * config/fr30/crti.asm: New file.
16070 * config/fr30/fr30.c: New file.
16071 * config/fr30/crtn.asm: New file.
16072 * config/fr30/fr30.h: New file.
16073 * config/fr30/fr30.md: New file.
16074 * config/fr30/lib1funcs.asm: New file.
16075 * config/fr30/t-fr30: New file.
16076 * config/fr30/xm-fr30.h: New file.
16078 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
16080 * flow.c (merge_blocks_move_successor_nojumps): Delete the
16081 BARRIER at the end of the successor, not the BARRIER before
16084 * pa.c (pa_add_gc_roots): Fix thinko in last change.
16086 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
16088 * stmt.c (any_pending_cleanups): Don't crash when
16089 current_function->stmt is unset.
16091 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16093 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
16094 other initializations that may use it for relative offsets.
16096 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16098 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
16099 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
16100 * config/i386/sol2dbg.h: Removed.
16101 * config/i386/sol2gas.h: New file, to enable gas work-around.
16102 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
16103 Don't use sol2dbg.h.
16104 * configure: Rebuilt.
16106 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
16108 * invoke.texi (-fthis-is-variable): Remove documentation.
16110 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
16112 * basic-block.h (compute_bb_for_insn): Declare.
16113 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
16114 to use; set size of basic_block_for_insn directly.
16115 (find_basic_blocks): Update.
16117 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16119 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
16121 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16123 * crtstuff.c (ON_EXIT): Delete empty macro definition.
16124 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
16126 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
16128 * c-decl.c (c_decode_option): Extend comment.
16130 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
16132 * toplev.c (progname): Make 'const char *'
16133 (flag_print_mem): Move out of main.
16134 (version_flag): Move out of main.
16135 (filename): Move out of main.
16136 (debug_args): Remove g prefix from options.
16137 (documented_lang_options): Remove cpplib specific options.
16138 (display_help): Add g prefix to debug options.
16139 (check_lang_option): Delete this function.
16140 (decode_d_option): New function: Decode -d... option.
16141 (decode_f_option): New function: Decode -f... option.
16142 (decode_W_option): New function: Decode -W... option.
16143 (decode_g_option): New function: Decode -g... option.
16144 (independent_decode_option): New function: Decode a language
16145 independent command line option.
16146 (main): Invoke lang_decode_option and then
16147 independent_decode_option on each command line option in
16150 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
16152 Revert this change. Gavin's patch to operand_equal_p is a better fix.
16153 * fold-const.c (fold_range_test): Do not try to fold the range
16154 test if the rhs or lhs has side effects.
16156 * basic-block.h (compute_flow_dominators): Declare.
16158 * gcse.c (alloc_code_hoist_mem): New function.
16159 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
16160 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
16161 (hoist_code, one_code_hoisting_pass): Likewise.
16162 (gcse_main): If optimizing for size, then hoist expressions
16163 computed in multiple dominated basic blocks.
16165 * gcse.c (invalid_nonnull_info): New function.
16166 (delete_null_pointer_checks): Likewise.
16167 * rtl.h (delete_null_pointer_checks): Declare.
16168 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
16170 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
16171 (merge-blocks_move_successor_nojumps): Likewise.
16172 (merge_blocks): Allow merging of some blocks, even if it requires
16173 physical movement of the blocks, but not if it requires new jumps.
16175 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
16176 Callers and prototype changed.
16177 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
16179 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16181 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
16182 -YP when both -p and -pg are present. From i386/sol2.h.
16184 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16186 * Makefile.in (distclean): Delete tm_p.h.
16187 * configure.in: Create a new file, "tm_p.h", from a list in
16188 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
16189 "i386/i386-protos.h".
16191 * alias.c: Include "tm_p.h".
16192 * c-typeck.c: Likewise.
16193 * calls.c: Likewise.
16195 * emit-rtl.c: Likewise.
16196 * explow.c: Likewise.
16197 * expmed.c: Likewise.
16198 * expr.c: Likewise.
16199 * final.c: Likewise.
16200 * flow.c: Likewise.
16201 * fold-const.c: Likewise.
16202 * function.c: Likewise.
16203 * gcse.c: Likewise.
16204 * global.c: Likewise.
16205 * haifa-sched.c: Likewise.
16206 * integrate.c: Likewise.
16207 * jump.c: Likewise.
16208 * local-alloc.c: Likewise.
16209 * loop.c: Likewise.
16210 * optabs.c: Likewise.
16211 * recog.c: Likewise.
16212 * reg-stack.c: Likewise.
16213 * regclass.c: Likewise.
16214 * regmove.c: Likewise.
16215 * reload.c: Likewise.
16216 * reload1.c: Likewise.
16217 * reorg.c: Likewise.
16218 * resource.c: Likewise.
16219 * stmt.c: Likewise.
16220 * stor-layout.c: Likewise.
16221 * toplev.c: Likewise.
16222 * tree.c: Likewise.
16223 * unroll.c: Likewise.
16224 * genattrtab.c (main): Make generated file include "tm_p.h".
16225 * genemit.c (main): Likewise.
16226 * genoutput.c (main): Likewise.
16227 * genrecog.c (main): Likewise.
16229 * i386.h: Delete all prototypes.
16230 * i386.c: Include "tm_p.h".
16231 (ix86_attr_length_default): Call constant_call_address_operand
16232 with correct number of arguments.
16233 * i386-protos.h: New file.
16234 * i386.md (unnamed patterns): Call constant_call_address_operand
16235 with correct number of arguments.
16236 (exception_receiver): Call load_pic_register with correct number
16239 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
16241 * c-pragma.c (mark_align_stack): Dereference the void* properly.
16243 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
16245 * rtl.h (insns_safe_to_move_p): New function.
16246 * loop.c (find_and_verify_loops): Use it.
16247 * rtlanal.c (insns_safe_to_move_p): Define it.
16249 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
16251 * c-pragma.c: Include ggc.h.
16252 * Makefile.in (c-pragma.o): Update.
16254 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16256 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
16257 (LIB_SPEC): Likewise.
16258 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
16259 Reindent -YP/-p/-pg.
16260 Copied from config/sparc/sol2.h.
16262 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
16264 * c-pragma.c (mark_align_stack): New.
16265 (init_pragma): New.
16266 * c-pragma.h (init_pragma): Declare it.
16267 * c-lex.c (init_parse): Call it.
16269 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16271 * configure.in: Pick up thread library on Solaris/x86 just
16272 like on Solaris/sparc.
16273 * configure: Rebuilt.
16275 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
16277 * rtl.h (global_rtx_index): New enum.
16278 (global_rtl): Change to array of rtx.
16279 (pc_rtx, cc0_rtx): Redefine accordingly.
16280 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
16281 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
16282 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
16283 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
16284 (const_int_rtx): Change to array of rtx.
16285 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
16287 * emit-rtl.c (global_rtl): Change to array of rtx.
16288 (const_int_rtx): Change to aray of rtx.
16289 (gen_rtx_CONST_INT): Redefine accordingly.
16290 (init_emit_once): Allocate and initialize global_rtl. Likewise
16291 for const_int_rtx. Add both as GC roots.
16292 * genattrtab.c (global_rtl): Update declaration.
16294 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
16296 * Makefile (USER_H): Add iso646.h back.
16298 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
16300 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
16301 zapping the LOG_LINKS of sched_before_next_call.
16303 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
16304 * pa.c (insn_refs_are_delayed): Renamed from
16305 insn_sets_and_refs_are_delayed.
16307 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
16309 * functiion.h (struct function): Add x_whole_function_mode_p.
16310 (retrofit_block): Declare.
16311 * function.c (retrofit_block): New function.
16312 (identify_blocks): Add assertions. Allow an incomplete set of
16313 block notes if we're still generating code for the function.
16314 * integrate.c: Include loop.h.
16315 (expand_inline_function): Call find_loop_tree_blocks to map block
16316 notes to blocks when in whole-function mode. Use retrofit_block
16317 to insert new BLOCKs for the inlined function, rather than
16319 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
16320 * Makefile.in (integrate.o): Depend on loop.h.
16322 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
16324 * tree.h (warn_about_unused_variables): Declare.
16325 * stmt.c (warn_about_unused_variables): New function, split out
16327 (expand_end_bindings): Here.
16329 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
16331 * stmt.c (preserve_subexpressions_p): Don't crash when
16332 current_function->stmt is unset.
16334 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
16336 * stmt.c (expand_start_bindings): Allow callers to pass a flag
16337 indicating that no NOTE_INSN_BLOCK_BEG note is required.
16338 (expand_start_target_temps): Use it.
16339 * except.c (expand_eh_region_start_for_decl): Likewise.
16340 * expr.c (expand_expr): Likewise.
16342 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
16344 * fold-const.c (operand_equal_p): Pay attention to side effects.
16346 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
16348 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
16349 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
16351 * tlink.c (scan_linker_output): Look for keywords before accepting
16352 a mangled name in quotes.
16354 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
16356 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
16357 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
16359 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
16361 * alpha.md: Revert Thu Nov 26 change that came in through the
16362 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
16363 Avoid earlyclobber when possible.
16365 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16367 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
16369 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
16370 Define HAVE_ON_EXIT.
16372 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16374 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
16375 CTYPE_CONV in all ctype macros.
16377 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
16380 * cexp.y (initialize_random_junk): Likewise.
16382 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
16384 * i370.c (handle_pragma): Likewise.
16386 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
16388 * v850.c (override_options): Likewise.
16390 * doprint.c (_doprnt): Likewise.
16392 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
16395 * fixinc/server.c (load_data): Likewise.
16397 * fold-const.c (real_hex_to_f): Likewise.
16399 * genattr.c (write_upcase, gen_attr): Likewise.
16401 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
16402 write_upcase): Likewise.
16404 * genemit.c (print_code): Likewise.
16406 * genopinit.c (gen_insn): Likewise.
16408 * genpeep.c (print_code): Likewise.
16410 * genrecog.c (print_code): Likewise.
16412 * optabs.c (init_libfuncs): Likewise.
16414 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
16416 * haifa-sched.c (sched_analyze): Keep the list of notes organized
16418 (reemit_notes): Likewise.
16420 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
16422 * ggc.h (ggc_root): Move to ggc-common.c.
16424 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
16425 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
16426 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
16427 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
16428 * ggc-common.c (ggc_root): Move from ggc.h.
16429 (roots): Declare, static.
16430 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
16431 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
16432 null or check/set mark bit.
16433 (ggc_mark_roots): New.
16434 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
16436 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
16438 * m32r.c: Include toplev.h.
16439 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
16440 (gen_compare): Rename swap_p to must_swap to match uses.
16441 Add default abort case.
16442 (m32r_output_function_epilogue): Remove unused variables.
16443 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
16444 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
16445 define to empty parameter list. Update all uses.
16446 (predicate decls): Use enum machine_mode not int.
16447 * m32r.md (movsi): Call abort, not fatal_insn.
16448 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
16450 1999-09-14 Andrew Haley <aph@cygnus.com>
16452 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
16453 use $0 instead of 0.
16455 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16457 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
16458 computation out of loop over hard regs.
16460 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
16462 * function.c (identify_blocks): Don't shadow a variable in an
16464 * integrate.c (integrate_decl_tree): Don't use pushlevel,
16465 pushdecl, or poplevel to build up the new BLOCK tree.
16466 (expand_inline_function): Likewise.
16467 (integrate_parm_decls): Likewise.
16469 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
16471 * c-typeck.c (qualify_type): Merge qualifiers from both types.
16473 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
16475 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
16476 * invoke.texi: Document this change.
16478 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
16480 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
16482 (mark_emit_status): Renamed from mark_emit_state.
16483 * except.c (mark_eh_status): Renamed from mark_eh_state.
16484 Check not null before marking.
16485 (free_eh_status): New.
16486 * expr.c (mark_expr_status, free_expr_status): New.
16487 * function.c (free_machine_status): New.
16488 (free_after_parsing): New.
16489 (free_after_compilation): Move bits to free_after_parsing; call
16490 free_eh_status, free_expr_status; zero the marked members of the
16492 (prepare_function_start): No can_garbage_collect.
16493 Call init_eh_for_function.
16494 (expand_dummy_function_end): Free up current_function state.
16495 (mark_function_status): Renamed from mark_function_state.
16496 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
16497 * function.h (struct function): No can_garbage_collect.
16498 (free_machine_status, free_after_parsing): Declare.
16499 (free_eh_status, free_expr_status): Declare.
16500 * ggc.h (mark_expr_status): Declare.
16501 * stmt.c (free_stmt_status): Free the struct.
16502 (mark_stmt_status): Renamed from mark_stmt_state.
16503 (init_stmt): Don't call init_eh.
16504 (init_stmt_for_function): Don't call init_eh_for_function.
16505 * toplev.c (compile_file): Call init_eh.
16506 (rest_of_compilation): Free basic block info before ggc_collect.
16507 Call free_after_parsing; conditionally call free_after_compilation.
16508 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
16509 Check not null before marking.
16510 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
16512 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
16514 * c-lex.c (yylex): Initialize warn.
16516 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
16518 * pa.c (emit_move_sequence): Properly set the mode of the scratch
16519 register when performing secondary reloads for the SAR register.
16521 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
16523 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
16524 (NOTE_BLOCK): New macro.
16525 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
16526 * function.h (identify_blocks): Change prototype.
16527 * function.c (identify_blocks): Simplify.
16528 (reorder_blocks): Likewise.
16529 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
16530 NOTE_INSN_BLOCK_{BEG,END}.
16531 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
16532 the list of saved notes if the note isn't a
16533 NOTE_INSN_BLOCK_{BEG,END}.
16534 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
16536 (reemit_notes): Adjust recreation of notes to reflect new saved
16538 * print-rtl.c (print_rtx): Print the address of the BLOCK when
16539 printing a block note.
16540 * stmt.c (block_vector): Remove.
16541 (find_loop_tree_blocks): Simplify.
16542 (unroll_block_trees): Likewise.
16543 * tree.h (reorder_block): Change prototype.
16545 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
16547 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
16548 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
16549 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
16550 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
16551 (atexit, exit): Simplify.
16552 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
16553 * config/lots: Remove defns of HAVE_ATEXIT.
16555 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
16557 * calls.c (precompute_arguments): Fix typo in comment.
16558 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
16561 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
16563 * dsp16xx.c (override_options): Fix typos in GC root registration.
16565 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
16567 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
16568 from config/svr4.h.
16569 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
16570 (FUNCTION_PROFILER): Redefine appropriately for Linux.
16571 (CC1_SPEC): Likewise.
16573 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16575 * genattr.c (main): Add extern prototype. Call return, not exit.
16576 * genattrtab.c (main): Likewise.
16577 * gencheck.c (main): Likewise.
16578 * gencodes.c (main): Likewise.
16579 * genconfig.c (main): Likewise.
16580 * genemit.c (main): Likewise.
16581 * genextract.c (main): Likewise.
16582 * genflags.c (main): Likewise.
16583 * gengenrtl.c (main): Likewise.
16584 * genopinit.c (main): Likewise.
16585 * genoutput.c (main): Likewise.
16586 * genpeep.c (main): Likewise.
16587 * genrecog.c (main): Likewise.
16589 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
16590 * genattrtab.c (get_insn_name): Likewise.
16591 * gencodes.c (get_insn_name): Likewise.
16592 * genconfig.c (get_insn_name): Likewise.
16593 * genemit.c (get_insn_name): Likewise.
16594 * genextract.c (get_insn_name): Likewise.
16595 * genflags.c (get_insn_name): Likewise.
16596 * genopinit.c (get_insn_name): Likewise.
16597 * genpeep.c (get_insn_name): Likewise.
16599 * gencheck.c (usage): Add static prototype.
16600 * genextract.c (print_path): Constify a char*.
16601 * genopinit.c (optabs): Likewise.
16602 * genoutput.c (operand_data, data, output_predicate_decls,
16603 compare_operands): Likewise.
16604 * genrecog.c (write_tree): Add default case in switch.
16606 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16608 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
16610 * print-rtl.c (get_insn_name): Remove prototype.
16612 * toplev.h (progname): Declare const.
16614 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
16615 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
16616 dump_sched_info, dump_local_alloc, regset_release_memory,
16617 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
16618 error_with_file_and_line, error_with_decl, error_for_asm, error,
16619 fatal, warning_with_file_and_line, warning_with_decl, warning,
16620 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
16621 Remove redundant prototypes.
16623 (notice, check_lang_option, report_file_and_line, vnotice,
16624 mark_file_stack): Add static prototype.
16625 (set_fatal_function): Add prototype.
16626 (vnotice, report_file_and_line, set_fatal_function,
16627 check_lang_option): Constify a char*.
16628 (main): Prototype. Call return, not exit.
16630 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16632 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
16634 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
16636 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
16638 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
16640 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16642 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
16643 behave as if it's zero in all cases.
16644 (expand_function_start): Adjust call to assign_parms.
16645 * tree.h (assign_parms): Adjust prototype.
16646 * objc/objc-act.c (hack_method_prototype): Adjust call to
16649 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
16651 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
16652 arg_pointer_rtx fixed if the argument pointer register is
16654 (NONZERO_BASE_PLUS_P): Likewise.
16656 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
16658 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
16659 match_insn2 to match_insn.
16660 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
16662 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
16664 * Makefile.in (USER_H): Remove va-foo.h.
16666 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
16667 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
16668 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
16669 va-spur.h,va-v850.h}: Remove.
16671 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
16673 * sparc/sparc.md (eligible_for_return_delay): New attribute.
16674 (in_return_delay): Use it instead of match_insn.
16676 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16678 * config/alpha/va_list.h (va-alpha.h): Do not include.
16679 (__gnuc_va_list): Typedef as in varargs.h.
16681 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
16683 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
16684 DECL_LIVE_RANGE_RTL.
16686 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
16688 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
16689 not NOTE_BLOCK_NUMBER.
16690 (expand_eh_region_end): Likewise.
16691 (find_exception_handler_labels): Likewise.
16692 (scan_region): Likewise.
16693 (exception_optimize): Likewise.
16694 (update_rethrow_references): Likewise.
16695 (set_insn_eh_region): Likewise.
16696 * final.c (final_scan_insn): Likewise.
16697 * flow.c (make_edges): Likewise.
16698 * integrate.c (expand_inline_function): Likewise.
16699 * print-rtl.c (print_rtx): Likewise.
16701 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
16703 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
16704 terms of builtin functions and types.
16706 * mips.c (mips_build_va_list): New.
16707 (mips_va_start, mips_va_arg): New.
16708 * mips.h (BUILD_VA_LIST_TYPE): New.
16709 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
16711 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
16712 (sh_build_va_list, sh_va_start, sh_va_arg): New.
16713 * sh.h (BUILD_VA_LIST_TYPE): New.
16714 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
16716 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
16718 * recog.h (struct recog_data): Make dup_num, operand_address_p,
16719 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
16720 (struct insn_data): Likewise with n_operands, n_dups,
16721 n_alternatives, output_format.
16722 * regclass.c (scan_one_insn): Cast n_operands to int before
16723 arithmetic inside comparison.
16725 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
16727 * toplev.c (compile_function): Unconditionally emit nop.
16729 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16731 * haifa-sched.c (actual_hazard): Move declaration of variable
16732 `this_cost' into the scope where it is used.
16734 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16736 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
16737 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
16738 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
16740 * genrecog.c (make_insn_sequence): Call memset, not bzero.
16742 * jump.c (find_insert_position): Don't declare or define unless
16743 !HAVE_conditional_arithmetic.
16744 (returnjump_p_1, delete_prior_computation): Add static prototypes.
16746 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
16748 * recog.c (offsettable_address_p): Prototype function pointer.
16749 (preprocess_constraints): Call memset, not bzero.
16751 * tree.c (tree_node_kind_names): Constify a char*. Make static.
16752 (gcc_obstack_init): Don't declare.
16753 (fix_sizetype): Add static prototype.
16754 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
16755 (tree_cons): Call memset, not bzero.
16757 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
16758 definition in macro ASM_WEAKEN_LABEL.
16759 (mark_const_hash_entry): Add static prototype.
16761 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16763 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
16765 * unroll.c (find_common_reg_term, subtract_reg_term,
16766 loop_find_equiv_value): Add static prototypes.
16767 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
16768 (copy_loop_body): Remove unreachable break statement.
16770 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
16772 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
16774 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16776 Undo some changes from the gcc2 merge:
16777 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
16778 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
16782 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
16783 * emit-rtl.c (gen_lowpart_common): Disable optimization of
16784 initialized float-int union if the value is a NaN.
16786 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
16788 * gthr-win32.h: New file.
16790 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
16791 shared as a valid attribute.
16792 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
16793 * extend.texi: Document `shared' variable attribute.
16795 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
16797 * configure.in: Handle --enable-threads on FreeBSD.
16798 * configure: Rebuit.
16800 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
16802 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
16804 * configure: Rebuilt.
16806 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
16807 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
16808 Rosimildo DaSilva <rdasilva@connecttel.com>
16810 * configure.in (m68k-*-rtemscoff*): Added.
16811 * configure.in (mips64orion-*-rtems*): Converted to ELF.
16812 * configure.in (sparc-*-rtemsaout*): Added as alias for old
16813 sparc-rtems configuration.
16814 * configure.in (sparc-*-rtemself*): Added.
16815 * configure.in (sparc-*-rtems*): Now ELF not a.out.
16816 * config/i386/rtems.h: Added comment.
16817 * config/sparc/rtemself.h: New file.
16819 * configure.in (m68k-rtemself): Added.
16820 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
16821 and DWARF_DEBUGGING_INFO.
16822 * config/m68k/crti.s: New file.
16823 * config/m68k/crtn.s: New file.
16824 * config/m68k/t-crtstuff: New file.
16825 * config/m68k/rtemself.h: New file.
16827 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
16828 global ctor/dtor and C++ exception handling.
16829 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
16830 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
16832 * config/i386/t-rtems-i386: New File.
16834 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
16836 * stmt.c (expand_end_case): Return right away if the case stack is
16839 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
16841 * Makefile.in (version.c): Remove rule incorrectly brought in from
16844 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
16846 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
16847 * msdos/top.sed: Take into account a prepended $(SHELL) to
16849 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
16851 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
16853 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16855 * regmove.c (fixup_match_1): Don't change an unchanging register.
16856 (stable_but_for_p): Renamed to:
16857 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
16858 Changed all callers.
16860 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
16862 * loop.c (strength_reduce): Don't call reg_used_between_p if the
16863 insn from BL2 is after the insn from BL.
16865 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
16867 * recog.h (INSN_OUTPUT_FORMAT_*): New.
16868 (struct insn_data): Merge `template' and `outfun' into `output'.
16869 Add `output_format'.
16870 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
16871 (struct data): Remove `outfun'; add `output_format'.
16872 (name_for_index): Remove declaration.
16873 (output_insn_data): Handle output formats.
16874 (process_template): Emit the bare array for @.
16875 (gen_expand, gen_split): Set output_format to NONE.
16876 * output.h (get_insn_template): Declare.
16877 * final.c (get_insn_template): New.
16878 (final_scan_insn): Use it.
16879 * toplev.c (compile_file): Likewise.
16881 * c4x/c4x.c (c4x_process_after_reload): Likewise.
16882 * i860/i860.c (output_delayed_branch): Likewise.
16883 (output_delay_insn): Likewise.
16885 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16887 * rtl.c (obstack_alloc_rtx): Removed.
16889 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
16891 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
16893 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16895 * i386.c (call_insn_operand): Reject const_int.
16896 (expander_call_insn_operand): Use call_insn_operand.
16898 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16900 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
16902 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
16904 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
16905 Use DImode operation.
16907 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
16909 * gcc.c: Include sys/resource.h.
16910 (report_times): New flag.
16911 (execute): If report_times is set, calculate and report the
16912 CPU time consumed by each subprocess.
16914 (rus, prus): New globals.
16915 (option_map): Add --time.
16916 (display_help): Document -time.
16917 (process_command): Set report_times if -time is given.
16918 Turn off -pipe if -time is given.
16920 * invoke.texi: Document new option -time.
16922 * configure.in: Check for getrusage. Check if we have to
16923 prototype getrusage.
16924 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
16925 * configure: Regenerate.
16926 * config.in: Regenerate.
16928 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
16930 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
16933 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
16935 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
16936 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
16937 (nan): Return _thenan_sf or _thenan_df as appropriate.
16938 (L_thenan_sf): Define _thenan_sf.
16939 (L_thenan_df): Define _thenan_df.
16941 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
16942 (DPBIT_FUNCS): Add _thenan_df.
16944 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
16946 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
16949 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16951 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
16954 (lang_specific_driver): Don't take a function pointer parameter.
16955 All callers changed.
16957 * gcc.c: Include gcc.h.
16958 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
16959 lang_specific_extra_outfiles, fatal): Don't declare.
16960 (multilib_defaults_raw): Constify.
16961 (read_specs): Call memset, rather than bzero.
16962 (main): Call return, not exit.
16963 (lookup_compiler): Call memcpy, not bcopy.
16964 (fatal): Make extern.
16966 * cppspec.c: Include gcc.h.
16967 (lang_specific_driver): Initialize variable `quote'. Constify a
16968 char*. All calls to the function pointer parameter now
16969 explicitly call `fatal'.
16971 * gccspec.c (lang_specific_driver): Include gcc.h.
16973 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
16975 * arm.c (note_invalid_constants): Use recog_data.operand_type
16978 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16980 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
16983 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
16984 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
16985 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
16986 reload_secondary_in_reload, reload_secondary_out_reload,
16987 reload_secondary_in_icode, reload_secondary_out_icode,
16988 reload_reg_rtx, reload_when_needed): Delete declarations.
16989 (struct reload): New structure.
16990 (rld): Declare new array.
16991 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
16992 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
16993 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
16994 reload_secondary_in_reload, reload_secondary_out_reload,
16995 reload_secondary_in_icode, reload_secondary_out_icode,
16996 reload_reg_rtx, reload_when_needed): Delete definitions.
16998 (whole file): Replace uses of the deleted arrays with uses of rld.
16999 * reload1.c (whole file): Replace uses of the deleted arrays with
17001 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
17002 explicit loops, not with bcopy.
17004 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
17006 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
17007 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
17008 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
17009 insn_name): Delete and consolidate into new structures.
17010 (insn_operand_predicate_fn): New.
17011 (insn_output_fn): New.
17012 (insn_gen_fn): New.
17013 (struct insn_operand_data): New.
17014 (struct insn_data): New.
17016 (OUT_FCN): Update for insn_data change.
17017 * builtins.c (expand_builtin_strlen): Likewise.
17018 (expand_builtin_memcmp): Likewise.
17019 * combine.c (make_extraction, simplify_comparison): Likewise.
17020 * cse.c (canon_reg, cse_insn): Likewise.
17021 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
17022 * expmed.c (store_bit_field, extract_bit_field): Likewise.
17023 (emit_store_flag): Likewise.
17024 * expr.c (convert_move, emit_block_move): Likewise.
17025 (clear_storage, emit_push_insn, expand_increment): Likewise.
17026 (do_store_flag): Likewise.
17027 * expr.h (GEN_FCN): Likewise.
17028 (insn_gen_function): Die.
17029 * final.c (final_scan_insn): Update for insn_data change.
17030 (output_asm_name): Likewise.
17031 * function.c (fixup_var_refs_1): Likewise.
17032 * loop.c (check_dbra_loop): Likewise.
17033 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
17034 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
17035 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
17036 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
17037 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
17038 * regmove.c (gen_add3_insn): Likewise.
17039 * reload.c (push_secondary_reload, combine_reloads): Likewise.
17040 (find_reloads, find_reloads_address_1): Likewise.
17041 (debug_reload_to_stream): Likewise.
17042 * reload1.c (emit_reload_insns, gen_reload): Likewise.
17043 * stmt.c (expand_end_case): Likewise.
17044 * toplev.c (compile_file): Likewise.
17046 * c4x/c4x.c (c4x_process_after_reload): Likewise.
17047 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
17049 * print-rtl.c (insn_name_ptr): Remove declaration.
17050 (get_insn_name): Declare.
17051 (print_rtx): Use it.
17052 * genoutput.c (insn_name_ptr): Remove.
17053 (next_operand_number): New.
17054 (struct operand_data): New.
17055 (null_operand, odata, odata_end): New.
17056 (struct data): Use struct operand_data.
17057 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
17058 (get_insn_name): Renamed from name_for_index.
17059 (output_prologue): Define NO_MD_PROTOTYPES.
17060 (output_predicate_decls): Break out from output_epilogue.
17061 Iterate over the operands list.
17062 (output_operand_data): Break out from output_epilogue. Emit
17063 just the operands list.
17064 (output_insn_data): Break out from output_epilogue. Emit just
17066 (output_epilogue): Remove.
17067 (output_get_insn_name): New.
17068 (constraints, op_n_alternatives, predicates, address_p): Die.
17069 (modes, strict_low, seen): Die.
17070 (scan_operands): Take new param `d' instead of writing to
17071 seven global variables.
17072 (compare_operands): New.
17073 (place_operands): New.
17074 (validate_insn_alternatives): Update for struct data change.
17075 (gen_insn): Don't zero or copy 7 global arrays. Update for
17076 scan_operands; call place_operands.
17077 (gen_peephole, gen_expand, gen_split): Likewise.
17078 (main): Update for new output routines.
17080 * genattr.c (insn_name_ptr): Remove.
17081 (get_insn_name): New function.
17082 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
17083 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
17084 * genrecog.c: Likewise.
17086 * alpha.md (adddi3): Make `pattern' array static.
17088 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17090 * config/c4x/c4x.h (c4x_rpts_cycles_string,
17091 c4x_cpu_version_string): Constify char *.
17092 * config/c4x/c4x.c (c4x_rpts_cycles_string,
17093 c4x_cpu_version_string): Likewise.
17095 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
17097 * tree.c (save_tree_status): Revert 10 Sep change.
17098 (restore_tree_status): Likewise. Call obstack_free with NULL
17099 before freeing the obstack proper.
17101 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
17103 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
17105 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
17106 surrounding context.
17108 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
17110 * tree.c (type_hash_canon): Put all types in the hash-table, when
17113 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
17115 * recog.h (struct recog_data, recog_data): New.
17116 (recog_foo variables): Kill.
17117 * recog.c (recog_operand, recog_operand_loc): Kill.
17118 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
17119 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
17120 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
17121 (recog_data): Define.
17122 (extract_insn): Update all recog_foo references to use recog_data.
17123 (preprocess_constraints, constrain_operands): Likewise.
17124 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
17125 * genattrtab.c (main): Likewise.
17126 * genextract.c (main): Likewise.
17127 * genoutput.c: Likewise.
17128 * genrecog.c (write_subroutine, main): Likewise.
17129 * local-alloc.c (block_alloc): Likewise.
17130 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
17131 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
17132 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
17133 * reload.c (find_reloads, find_reloads_toplev): Likewise.
17134 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
17135 (reload_cse_simplify_operands): Likewise.
17137 * arc/arc.c (arc_final_prescan_insn): Likewise.
17138 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
17139 * h8300/h8300.c (notice_update_cc): Likewise.
17140 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
17141 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
17142 * mn10200/mn10200.c (notice_update_cc): Likewise.
17143 * mn10300/mn10300.c (notice_update_cc): Likewise.
17144 * romp/romp.c (update_cc): Likewise.
17145 * sparc/sparc.c (check_pic): Likewise.
17146 * v850/v850.c (notice_update_cc): Likewise.
17148 * genemit.c (main): Don't declare recog_operand.
17150 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
17152 * ggc.h (rtvec_def): Forward declare.
17153 (tree_node): Likewise.
17154 (ggc_root): Define.
17156 (ggc_set_mark_rtx): Add prototype.
17157 (ggc_set_mark_rtvec): Likewise.
17158 (ggc_set_mark_tree): Likewise.
17159 * ggc-simple.c (ggc_root): Don't define.
17160 (roots): Don't declare.
17161 (ggc_mark_rtx): Remove.
17162 (ggc_mark_rtvec): Likewise.
17163 (ggc_mark_tree): Likewise.
17164 (ggc_mark_varray): Likewise.
17165 (ggc_mark_tree_hash_table_entry): Likewise.
17166 (ggc_mark_tree_hash_table): Likewise.
17167 (ggc_set_mart_rtx): New function.
17168 (ggc_set_mark_rtvec): Likewise.
17169 (ggc_set_mark_tree): Likewise.
17170 (ggc_add_root): Remove.
17171 (ggc_add_rtx_root): Likewise.
17172 (ggc_remove_tree_root): Likewise.
17173 (ggc_add_string_root): Likewise.
17174 (ggc_add_tree_varray_root): Likewise.
17175 (ggc_add_tree_hash_table_root): Likewise.
17176 (ggc_del_root): Likewise.
17177 (ggc_mark_rtx_ptr): Likewise.
17178 (ggc_mark_tree_ptr): Likewise.
17179 (ggc_mark_string_ptr): Likewise.
17180 (ggc_mark_tree_varray_ptr): Likewise.
17181 (ggc_mark_tree_hash_table_ptr): Likewise.
17182 * ggc-common.c: New file.
17183 * Makefile.in (OBJS): Add ggc-common.o.
17184 (ggc-common.o): List dependencies.
17186 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
17188 * cppalloc.c (xstrdup): Use memcpy.
17189 * cpperror.c (cpp_print_containing_files): Don't use
17191 * cpplib.c (conditional_skip): Set temp->lineno.
17192 (do_endif): Make error message less obscure.
17193 (if_directive_name): New function.
17194 (cpp_get_token [case EOF]): Unwind the if stack and generate
17195 error messages for each unterminated conditional in this file.
17196 (parse_string): Do not behave differently if -traditional.
17198 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
17200 * builtins.c (expand_builtin_va_arg): Cope with an array-type
17201 va_list decomposing to pointer-type.
17202 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
17203 (rs6000_va_arg): Likewise.
17205 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
17207 * except.c (start_dynamic_handler): Compute size using
17208 STACK_SAVEAREA_MODE.
17210 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17212 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
17213 include directory headers. Don't define strrchr. Don't provide
17214 my_* replacement functions. Prefer PTR over `pointer_type'.
17215 Don't prototype system functions. Don't redefine getopt.
17217 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
17218 safe_read, safe_write, save_pointers, restore_pointers,
17219 is_id_char, in_system_include_dir, directory_specified_p,
17220 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
17221 find_corresponding_lparen, referenced_file_is_newer,
17222 save_def_or_dec, munge_compile_params, gen_aux_info_file,
17223 process_aux_info_file, identify_lineno, check_source,
17224 seek_to_line, forward_to_next_token_char, output_bytes,
17225 output_string, output_up_to, other_variable_style_function,
17226 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
17227 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
17228 find_static_definition, connect_defs_and_decs, add_local_decl,
17229 add_global_decls, needs_to_be_converted, visit_each_hash_node,
17230 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
17231 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
17232 scan_for_missed_items, edit_file, string_list_cons): Add static
17234 (standard_exec_prefix, target_machine, target_version,
17235 default_syscalls_dir, string_list, string_list_cons, find_file,
17236 do_cleaning): Constify a char*.
17237 (safe_read, safe_write): Use PTR, not a char*.
17238 (is_id_char): Take an int, not a char.
17239 (main): Add prototype. Call return, not exit.
17241 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
17243 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
17244 when comparing types.
17246 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
17248 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
17249 (strength_reduce): Release the varrays from the no-bivs early exit.
17251 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
17252 the loop over the registers.
17254 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
17256 (restore_tree_status): Check that instead when freeing the obstack.
17258 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
17260 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
17263 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17265 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
17266 operand size modifiers.
17268 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17270 * c-common.c (c_common_nodes_and_builtins): Don't build
17272 * c-common.h (enum c_tree_index and related accesor macros): Remove
17273 everything now declared in tree.h.
17274 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
17275 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
17276 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
17277 (error_mark_node, void_type_node, char_type_node, integer_type_node,
17278 unsigned_type_node, ptr_type_node, va_list_type_node,
17279 integer_zero_node, null_pointer_node, integer_one_node): Delete.
17280 (init_decl_processing): Call build_common_tree_nodes and
17281 build_common_tree_nodes_2 instead of building their nodes here.
17282 Don't add roots for these nodes.
17283 * stor-layout.c (size_zero_node, size_one_node): Delete.
17284 (set_sizetype): Make a new node for bitsizetype each time.
17285 * tree.c (global_trees): New variable.
17286 (init_obstacks): Add a gc root for it.
17287 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
17288 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
17289 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
17290 (build_common_tree_nodes): New function.
17291 (fix_sizetype): New function.
17292 (build_common_tree_nodes_2): New function.
17293 * tree.h (enum tree_index): New.
17294 (global_trees): Declare.
17295 Add accessor macros for all nodes now moved to global_trees.
17296 Delete their declarations.
17298 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
17300 * c-decl.c (finish_function): When processing a nested function,
17301 push and pop GC context around rest_of_compilation.
17303 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
17305 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
17306 Default ix86_arch to PROCESSOR_I386.
17307 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
17308 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
17309 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
17310 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
17311 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
17312 (EXTRA_SPECS): Remove deleted specs.
17314 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
17316 * function.c (assign_stack_local_1): Allocate from
17317 function->x_frame_offset, not frame_offset.
17319 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
17321 * ggc.h (lang_cleanup_tree): Remove.
17322 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
17323 * ggc-callbacks.c (lang_cleanup_tree): Remove.
17325 * c-decl.c (finish_struct): Use ggc_alloc to allocate
17326 TYPE_LANG_SPECIFIC when garbage collecting.
17327 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
17328 (lang_cleanup_tree): Remove.
17330 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17332 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
17333 * crtstuff.c: Not here.
17334 * dwarf2out.c: Or here.
17335 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
17338 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
17340 * function.h (free_after_compilation): Remove decl parameter.
17341 (free_varasm_status0: Likewise.
17342 (free_emit_status): Likewise.
17343 (free_stmt_status): Likewise.
17344 (free_after_compilation): Likewise.
17345 (init_lang_status): New variable.
17346 (free_lang_status): Likewise.
17347 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
17348 * function.c (init_lang_status): New variable.
17349 (free_lang_status): Likewise.
17350 (push_function_context_to): Don't set function::decl here.
17351 (free_after_copmilation): Make decl parameter implicit. Call
17352 free_lang_status if defined.
17353 (prepare_function_start): Call init_lang_status if defined.
17354 (init_function_start): Set function::decl here.
17355 * profile.c (output_func_start_profiler): Don't call pushdecl
17356 until we've actually started the function.
17357 * stmt.c (free_stmt_status): Make decl parameter implicit.
17358 * toplev.c (rest_of_compilation): Don't pass decl to
17359 free_after_compilation.
17360 * varasm.c (free_varasm_status): Likewise.
17362 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17364 * except.c (call_get_eh_context): Add root when allocating static
17367 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
17369 * arm.c: Include "ggc.h".
17370 (arm_add_gc_roots): New function.
17371 (arm_override_options): Call it.
17372 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
17374 * arm.md (define_asm_attributes): Add a pool_range attribute.
17376 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
17378 * extend.texi (Volatiles): New node.
17380 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
17382 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
17383 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
17384 (struct ggc_any): Replace `mark' with `magic_mark'.
17385 (ggc_alloc_string): Use memcpy, not bcopy.
17386 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
17387 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
17388 (ggc_free_any): New.
17389 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
17390 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
17391 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
17392 Use IS_MARKED. Use ggc_free_any.
17394 1999-09-09 Scott Bambrough <scottb@netwinder.org>
17396 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
17398 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
17400 * toplev.c (main): Always init_ggc.
17402 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
17404 * except.c (find_all_handler_type_matches): Free the list if
17405 we found no matches.
17407 * combine.c (SUBST): Break out to a real function do_SUBST.
17408 (SUBST_INT): Likewise.
17409 * gcse.c (free_pre_mem): Free `temp_bitmap'.
17410 (pre_insert): Free `inserted'.
17411 * loop.c (basic_induction_var): Always set `location'.
17413 * function.c (expand_function_end): Add initial_trampoline as a root.
17414 * rtl.h (init_varasm_once): Declare.
17415 * toplev.c (compile_file): Call it.
17416 * ggc-simple.c (ggc_mark_string_ptr): New.
17417 (ggc_add_string_root): New.
17418 (ggc_collect): Disable collection avoidance temporarily.
17419 * ggc.h (ggc_add_string_root): Declare.
17420 * except.c (create_rethrow_ref): Use ggc_alloc_string.
17421 * optabs.c (init_libfuncs): Likewise.
17422 * varasm.c (named_section): Use ggc_alloc_string.
17423 (make_function_rtl): Likewise.
17424 (make_decl_rtl): Likewise.
17425 (assemble_static_space): Likewise.
17426 (assemble_trampoline_template): Likewise.
17427 (output_constant_def): Likewise.
17428 (force_const_mem): Likewise.
17429 (mark_const_hash_entry): New.
17430 (mark_pool_sym_hash_table): New.
17431 (mark_varasm_state): Use it.
17432 (init_varasm_once): New.
17434 * expr.h (init_one_libfunc): Declare.
17435 * optabs.c (init_one_libfunc): New.
17436 (init_optabs): Use it.
17437 * config/gofast.h: Likewise.
17438 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
17439 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
17441 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17443 * Makefile.in (cppexp.o): Depend on cpphash.h.
17444 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
17446 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
17447 * cpplib.c (do_define): Generalise to handle poisoned definitions,
17448 redefining poisoned identifiers, etc.
17449 (do_undef): Don't allow poisoned identifiers to be undefined.
17450 (do_pragma): Add #pragma poison.
17451 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
17453 * cccp.c: Add T_POISON node type.
17454 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
17456 (do_define): Generalise to handle poisoned definitions,
17457 redefining poisoned identifiers, etc.
17458 (do_undef): Don't allow poisoned identifiers to be undefined.
17459 (do_pragma): Add #pragma poison.
17460 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
17462 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
17463 * c-pragma.h: Add ps_poison state. We now always have generic
17466 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
17468 * ggc.h (ggc_alloc): New function.
17469 (ggc_mark): Likewise.
17470 * ggc-simple.c (ggc_any): New structure.
17471 (ggc_status): Add anys.
17472 (n_anys_collected): New variable.
17473 (ggc_alloc): Define.
17474 (ggc_mark): Likewise.
17475 (ggc_collect): Collect the anys.
17477 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17479 * c-decl.c (mark_binding_level): Make static to match prototype.
17481 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
17483 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
17485 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
17487 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
17488 will use into account. Expand the max width to 5.
17491 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
17493 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
17494 for the rtx length.
17496 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
17498 * alpha.md (call value patterns): Remove the result predicates.
17500 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
17502 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
17505 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17507 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
17508 changed from extern char *, to extern PTR. Also fix typo in
17509 NEED_DECLARATION_REALLOC test.
17511 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
17513 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17515 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
17516 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
17517 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
17518 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
17520 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
17522 * cccp.c (pcfinclude): Likewise.
17524 * global.c (allocno_compare): Likewise.
17526 * haifa-sched.c (rank_for_schedule): Likewise.
17528 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
17530 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
17532 * stupid.c (stupid_reg_compare): Likewise.
17534 * tree.c (_obstack_allocated_p): Likewise.
17536 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
17538 1999-09-08 Bruce Korb autogen@linuxbox.com
17540 * Makefile.in: Give the hapless gperf user a hint about
17541 why "gperf -F" fails.
17543 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
17545 * lists.c: Include ggc.h.
17547 (init_EXPR_INSN_LIST_cache): Install it.
17549 * ggc-simple.c (init_ggc): Absorb the old init.
17550 (ggc_push_context): Use xcalloc.
17551 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
17552 (ggc_collect): Add [rvts] tags to the collection stats.
17554 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
17556 * cccp.c (main): Fix handling of -include and -imacros options.
17558 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
17560 * cpplib.c (cpp_push_buffer): Fix order of arguments.
17562 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17564 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
17567 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17569 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
17570 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
17571 and SET_DEST. Update comment.
17573 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17575 * config/c4x/c4x.c: Include ggc.h.
17576 (c4x_add_gc_roots): New function.
17577 (c4x_override_options): Call c4x_add_gc_roots.
17579 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
17581 * defaults.h (TARGET_ESC): Move ...
17582 * system.h: ... here, where Linas had it in the first place. Silly me.
17584 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
17586 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
17587 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
17588 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
17589 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
17590 * defaults.h (TARGET_ESC): Add default.
17592 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
17594 * configure.in: add i370-*-openedition, i370-*-mvs and
17595 i370-*-linux targets
17597 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
17599 * dsp16xxx.c: Include ggc.h
17600 (override_options): Mark GC roots.
17601 * mn10200.c: Include ggc.h.
17602 (asm_file_start): Mark GC roots.
17603 * tahoe.c: Include ggc.h.
17604 (extensible_operand): Mark GC roots.
17606 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
17608 * README: Add section discussing status of ELF ABI.
17609 * i370.c: Fix misc spelling mistakes.
17610 (i370_label_scan): Updated notes, exception handling.
17611 (i370_function_prolog): Simplify ELF stack handling.
17612 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
17613 (STACK_GROWS_DOWNWARD): ELF stack grows down.
17614 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
17615 * i370.md: (movdi): Add notes.
17616 (floatsidf2): Use stack not rtca for scratch float area.
17617 (iorsi3): Correct operand constraints.
17618 * x-oe: Restore TAROUTOPTS which are used by pax.
17620 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
17622 * rs6000.c: Include ggc.h.
17623 (rs6000_add_gc_roots): New function.
17624 (override_options): Call it.
17626 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
17628 * alpha.h (alpha_compare): New.
17629 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
17630 * alpha.c: Likewise for the definitions.
17631 (alpha_emit_conditional_branch): Update for alpha_compare.
17632 (alpha_emit_conditional_move): Likewise.
17633 * alpha.md (cmpdf, cmpdi): Likewise.
17634 (setcc patterns): Likewise. Zero alpha_compare after use.
17635 (sne): Optimize (x != 0) into (0U < x).
17637 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
17639 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
17640 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
17641 (INIT_EXPANDERS): Remove.
17642 * alpha.c: Include ggc.h.
17643 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
17644 (alpha_init_machine_status, alpha_mark_machine_status): New.
17645 (override_options): Install them.
17646 (struct machine_function): Moved to alpha.h.
17647 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
17648 (alpha_init_expanders): Remove.
17649 (alpha_return_addr): Adjust to use current_function->machine.
17650 (alpha_ra_ever_killed): Likewise.
17651 (alpha_expand_epilogue): Likewise.
17652 * alpha.md (eh_epilogue): Likewise.
17654 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
17655 Melissa O'Neill <oneill@cs.sfu.ca>
17656 Geoffrey Keating <geoffk@cygnus.com>
17658 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
17659 call-used registers (call-saved registers must still be contiguous
17660 and end with r31, of course).
17662 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
17664 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
17665 (self_promoting_type_p): Delete.
17666 (self_promoting_args_p): Move ...
17667 * c-common.c: ... here.
17668 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
17669 (simple_type_promotes_to): New.
17670 * builtins.c (lang_type_promotes_to): New.
17671 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
17672 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
17673 * c-common.h: ... here.
17674 (self_promoting_args_p, simple_type_promotes_to): Declare.
17675 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
17676 (grokdeclarator): Likewise.
17677 * tree.h (lang_type_promotes_to): Declare.
17679 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
17681 Add some machine-dependent GC roots.
17682 * sparc.c: Include ggc.h.
17683 (sparc_add_gc_roots): New function.
17684 (mark_ultrasparc_pipeline_state): Likewise.
17685 (override_options): Call sparc_add_gc_roots.
17686 * pa.c: Include ggc.h.
17687 (pa_add_gc_roots): New function.
17688 (mark_deferred_plabels): Likewise.
17689 (override_options): Call pa_add_gc_roots.
17690 * mips.c: Include ggc.h.
17691 (mips_add_gc_roots): New function.
17692 (override_options): Use it.
17694 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17696 * cpperror.c (cpp_file_line_for_message): Constify a char*.
17698 * cppexp.c (parse_number, parse_charconst, cpp_lex,
17699 cpp_parse_expr): Add static prototypes.
17700 (parse_charconst): Don't cast away const-ness.
17701 (token): Constify a char*.
17703 * cppfiles.c (file_name_list, include_hash, find_include_file,
17704 finclude, initialize_input_buffer): Constify a char*.
17705 (file_cleanup, find_position): Add static prototypes.
17707 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
17708 collect_expansion): Add static prototypes.
17709 (cpp_install, create_definition, monthnames): Constify a char*.
17711 * cpphash.h (cpp_install): Likewise.
17713 * cppinit.c (known_suffixes, default_include,
17714 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
17715 (base_name, dump_special_to_buffer, initialize_dependency_output):
17716 Add static prototypes.
17718 * cpplib.c (my_strerror): Constify a char*.
17719 (null_underflow, null_cleanup, skip_comment, copy_comment,
17720 copy_rest_of_line, handle_directive, pass_thru_directive,
17721 get_directive_token, read_line_number, cpp_print_file_and_line,
17722 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
17723 v_cpp_warning_with_line, detect_if_not_defined,
17724 consider_directive_while_skipping): Add static prototypes.
17725 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
17726 cpp_pedwarn_with_file_and_line): Constify a char*.
17728 * cpplib.h (cpp_options, include_hash, progname, definition,
17729 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
17730 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
17731 find_include_file, deps_output, include_hash): Constify a char*.
17733 * cppmain.c (progname): Constify.
17734 (main): Add prototype. Use return, not exit.
17736 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
17737 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
17738 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
17739 check_protection): Add static prototype.
17741 (progname, recognized_macrom, recognized_extern): Constify a char*.
17742 (main): Add prototype.
17744 * gen-protos.c (progname): Constify a char*.
17746 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
17748 * emit-rtl.c (free_emit_status): Take decl as a parameter.
17749 (init_emit_once): Add more GC roots.
17750 * except.c (mark_func_eh_entry): New function.
17751 (mark_eh_node): Mark false_label and rethrow_label.
17752 (init_eh): Add more GC roots.
17753 * function.c (free_after_compilation): Take decl as a paramter.
17754 Call free_stmt_status.
17755 (mark_function_state): Don't assume x_parm_reg_stack_loc is
17757 * function.h (free_after_compilation): Change prototype.
17758 (free_varasm_status): Likewise.
17759 (free_emit_status): Likewise.
17760 (free_stmt_status): New function.
17761 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
17762 Remove, replacing with ...
17763 (ggc_status): New structure.
17764 (ggc_chain): New variable.
17765 (init_gcc): Define.
17766 (ggc_push_context): New function.
17767 (ggc_pop_context): Likewise.
17768 (ggc_alloc_rtx): Adjust for use of ggc_chain.
17769 (ggc_alloc_rtvec): Likewise.
17770 (ggc_alloc_tree): Likewise.
17771 (ggc_alloc_string): Likewise.
17772 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
17773 (ggc_mark_tree): Give language-dependent code a chance to mark
17775 (ggc_mark_tree_varray): Handle empty arrays.
17776 (ggc_collect): Adjust for use of ggc_chain. Clear
17777 bytes_alloced_since_last_gc.
17778 * ggc.h (ggc_pop_context): New function.
17779 (ggc_push_context): Likewise.
17780 * print-tree.c (print_node): Don't print obstacks when GC'ing.
17781 * stmt.c (free_stmt_status): New function.
17782 (init_stmt_for_function): Clear last_expr_value.
17783 * toplev.c (rest_of_compilation): Always call free_after_compilation.
17784 Conditionalize call to ggc_collect.
17785 (main): Call init_ggc.
17786 * tree.c (push_obstacks): Do the push, even when GC'ing.
17787 (push_obstacks_nochange): Likewise.
17788 (pop_obstacks): Liekwise.
17789 * varasm.c (free_varasm_status): Take decl as a parameter.
17791 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
17793 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
17794 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
17795 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
17796 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
17798 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
17800 * pa/x-pa-mpeix: New file for the MPE port.
17802 * pa/quadlib.asm: New file for long double support.
17804 * configure.in: Add hppa1.0-*-mpeix for MPE port.
17805 * configure: Rebuilt.
17807 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
17809 * final.c (shorten_branches): Fix last change.
17811 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
17813 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
17815 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
17817 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
17820 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17822 * c-aux-info.c (concat): Don't define.
17824 * cccp.c (my_strerror): Likewise. All callers changed to use
17826 (do_include): Call xstrdup, not xmalloc/strcpy.
17827 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
17828 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
17830 * collect2.c (my_strsignal): Likewise. All callers changed to use
17832 (locatelib): Call xstrdup, not xmalloc/strcpy.
17834 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
17836 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
17838 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
17840 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
17842 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
17844 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
17846 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
17848 (find_all_handler_type_matches): Likewise. Don't check return
17850 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
17851 xmalloc, not malloc.
17852 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
17854 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
17855 (init_spec): Call xcalloc, not xmalloc/bzero.
17856 (set_spec): Call xstrdup, not save_string.
17857 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
17858 (find_a_file): Call xstrdup, not xmalloc/strcpy.
17859 (process_command): Call xstrdup, not save_string.
17860 (main): Call xcalloc, not xmalloc/bzero.
17862 * gcov.c (xmalloc): Don't define.
17863 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
17864 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
17865 (output_data): Call xcalloc, not xmalloc/bzero.
17867 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
17869 * mips-tdump.c (xmalloc): Don't define.
17870 (print_symbol): Call xmalloc, not malloc.
17871 (read_tfile): Call xcalloc, not calloc.
17873 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
17874 Don't define. All callers of xfree/my_strsignal changed to use
17875 free/strsignal instead.
17876 (allocate_cluster): Call xcalloc, not calloc.
17878 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
17879 Fix memory leak, free allocated memory.
17881 * prefix.c (translate_name): Call xstrdup, not save_string.
17882 (update_path): Likewise.
17884 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
17886 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
17887 Don't define. Callers of xfree/savestring2 changed to use
17888 free/concat instead.
17890 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
17891 (init_elim_table): Likewise.
17893 * resource.c (init_resource_info): Likewise.
17895 * stupid.c (stupid_life_analysis): Likewise.
17897 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
17898 (open_dump_file): Call concat, not xmalloc/strcpy/...
17899 (clean_dump_file): Likewise.
17900 (compile_file): Call xstrdup, not xmalloc/strcpy.
17902 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
17904 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
17905 * v850.c (v850_va_arg): New.
17907 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17909 * haifa-sched.c: Tidy comments.
17911 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17913 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
17914 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
17915 $(out_object_file)): Depend on ggc.h.
17916 * c-common.c: Include "ggc.h".
17917 (combine_strings): If doing GC, use ggc_alloc_string.
17918 * c-decl.c: Include "ggc.h".
17919 (ggc_p): Define with value 0.
17920 (mark_binding_level): New function.
17921 (init_decl_processing): Add GC roots.
17922 (mark_c_function_context): New function.
17923 (lang_mark_false_label_stack): New function.
17924 (lang_mark_tree): New function.
17925 (lang_cleanup_tree): New function.
17926 * c-lang.c: Include "ggc.h".
17927 (lang_init): Call c_parse_init.
17928 * c-lex.c: Include "ggc.h".
17929 (check_linenum): If doing GC, don't copy filenames to permanent
17931 * c-parse.in: Include "ggc.h".
17932 (c_parse_init): New function.
17933 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
17934 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
17936 * except.c (mark_eh_state): Mark more state.
17937 * function.c (mark_function_state): Likewise.
17938 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
17939 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
17940 * toplev.c (mark_file_stack): New function.
17941 (compile_file): If doing GC, use ggc_alloc_string on input filename.
17942 (main): Add root for input_file_stack.
17944 * i386.c: Include "ggc.h".
17945 (ix86_mark_machine_status): New function.
17946 (override_options): Set mark_machine_status.
17948 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17950 * tree.c (copy_node): Copy node contents also if doing GC.
17952 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17954 * collect2.c (scan_libraries): Fix double-thinko :-).
17956 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
17958 * collect2.c (scan_libraries): Fix thinko.
17960 * cse.c (delete_trivially_dead_insns): Do not skip the last
17961 insn if it is a real insn.
17963 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
17965 * Makefile.in (ggc-simple.o): Depend on hash.h.
17966 * ggc.h (ggc_add_tree_hash_table_root): Declare.
17967 (ggc_mark_tree_varray): Likewise.
17968 (ggc_mark_tree_hash_table): Likewise.
17969 * ggc-simple.c: Include hash.h.
17970 (ggc_mark_tree_hash_table_ptr): New function.
17971 (ggc_mark_tree_hash_table_entry): Likewise.
17972 (ggc_mark_tree_hash_table): Likewise.
17973 (ggc_add_tree_hash_table_root): Likewise.
17974 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
17975 rtx, when defining fields.
17977 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
17979 * profile.c (output_func_start_profiler): Remove apparently
17980 nonsensical call to start_sequence.
17982 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
17984 * clipper/clipper.c (clipper_va_start): Fix typos.
17986 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
17987 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
17988 (spur_va_arg): New stub.
17990 * configure.in: Comment out pyramid.
17992 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
17994 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
17995 don't conflict with the bits that win32, cygwin, and dgux
17998 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
17999 Bernd Schmidt <bernds@cygnus.co.uk>
18001 * integrate.c (function_cannot_inline_p): Do not inline
18002 functions with forced labels.
18004 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
18005 Bernd Schmidt <bernds@cygnus.co.uk>
18006 Mark Mitchell <mark@codesourcery.com>
18008 * Makefile.in (ggc-simple.o): Depend on varray.h.
18009 (rtl.o): Depend on ggc.h.
18010 (genattrtab.o): Depend on ggc.h.
18011 (print-tree.o): Likewise.
18012 (fold-const.o): Likewise.
18013 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
18014 (make_insn_raw): Don't cache insns when GC'ing.
18015 (emit_insn_before): Likewise.
18016 (emit_insn_after): Likewise.
18017 (emit_insn): Likewise.
18018 (start_sequence): Use xmalloc to allocate the sequence_stack.
18019 (end_sequence): Add free to free it.
18020 (gen_sequence): Don't cache insns when GC'ing.
18021 (clear_emit_caches): Don't use sequence_element_free_list.
18022 (init_emit): Use xcalloc, not xmalloc+bzero.
18023 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
18024 * function.c (pop_function_context_from): Use free to free the
18025 fixup_var_refs_queue.
18026 (put_reg_into_stack): Allocate it with xmalloc.
18027 * genattrtab.c: Include ggc.h.
18028 (operate_exp): Don't use obstack_free when GC'ing.
18029 (simplify_cond): Likewise.
18030 (simplify_text_exp): Likewise.
18031 (optimize_attrs): Likewise.
18032 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
18034 (gencode): Generate a #include for ggc.h.
18035 * ggc-callbacks.c (ggc_p): Define it to zero.
18036 * ggc-none.c (ggc_p): Likewise.
18037 * ggc-simple.c: Include varray.h.
18038 (ggc_mark_tree_varray): New function.
18039 (ggc_add_tree_varray_root): Likewise.
18040 (ggc_mark_tree_varray_ptr): Likewise.
18041 * ggc.h (ggc_p): Declare.
18042 (varray_head_tag): Likewise.
18043 (ggc_add_tree_varray_root): Declare.
18044 * print-tree.c (print_node): Don't check for TREE_PERMANENT
18045 inconsistencies when GC'ing.
18046 * rtl.c: Include ggc.h.
18047 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
18048 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
18049 (rtx_free): Don't call obstack_free when GC'ing.
18050 * toplev.c (rest_of_compilation): Call ggc_collect after every
18052 * tree.c (push_obstacks): Do nothing, if GC'ing.
18053 (pop_obstacks_nochange): Likewise.
18054 (pop_obstacks): Likewise.
18055 (make_node): Use ggc_alloc_tree when GC'ing.
18056 (copy_node): Likewise.
18057 (get_identifier): Use ggc_alloc_string when GC'ing.
18058 (build_string): Likewise.
18059 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
18060 (tree_cons): Likewise.
18061 (build1): Likewise.
18062 (type_hash_canon): Don't call obstack_free when GC'ing.
18064 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
18066 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
18067 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
18069 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
18070 Bernd Schmidt <bernds@cygnus.co.uk>
18071 Mark Mitchell <mark@codesourcery.com>
18073 * Makefile.in (stor-layout.o): Depend on ggc.h.
18074 (expr.o): Depend on ggc.h.
18075 (profile.o): Depend on ggc.h.
18076 (stor-layout.o): Depend on ggc.h.
18077 * emit-rtl.c (init_emit_once): Add gc roots.
18078 * expr.c: Include ggc.h.
18079 (emit_block_move): Add gc roots.
18080 (clear_storage): Likewise.
18081 * expr.h (init_stor_layout_once): New function.
18082 * profile.c: Include ggc.h.
18083 (init_arc_profiler): profiler_label is a root.
18084 * scan.c (make_sstring_space): Trust xrealloc to function
18085 correctly with first parameter NULL.
18086 * stor-layout.c: Include ggc.h.
18087 (set_sizetype): Add gc root.
18088 (init_stor_layout_once): New function.
18089 * toplev.c (compile_file): Call it.
18091 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
18092 Bernd Schmidt <bernds@cygnus.co.uk>
18093 Mark Mitchell <mark@codesourcery.com>
18095 * Makefile.in (tree.o): Depend on ggc.h.
18096 (varasm.o): Likewise.
18097 (function.o): Likewise.
18098 (stmt.o): Likewise.
18099 (except.o): Likewise.
18100 (optabs.o): Likewise.
18101 (emit-rtl.o): Likewise.
18102 * emit-rtl.c: Include ggc.h.
18103 (sequence_element_free_list): Remove, and all references.
18104 (mark_sequence): New functions.
18105 (mark_emit_state): New function.
18106 * except.c: Include ggc.h.
18107 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
18108 (mark_tree_label_node): New functions.
18109 (mark_eh_state): New function.
18110 * function.c: Include ggc.h.
18111 (mark_temp_slot, mark_function_chain): New functions.
18112 (mark_function_state): New function.
18113 (init_function_once): New function.
18114 * function.h (init_function_once): New function.
18115 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
18116 * ggc.h (label_node): Declare.
18117 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
18118 (lang_mark_false_label_stack): New function.
18119 (mark_temp_slot): Remove declaration.
18120 (mark_function_chain): Likewise.
18121 (mark_eh_state): Adjust prototype.
18122 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
18124 * optabs.c: Include ggc.h.
18125 (mark_optab): New function.
18126 (init_optabs): Add gc roots.
18127 * stmt.c: Include ggc.h.
18128 (mark_cond_nesting, mark_loop_nesting): New functions.
18129 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
18130 (mark_stmt_state): New function.
18131 * toplev.c (compile_file): Call init_function_once.
18132 * tree.c: Include ggc.h.
18133 (type_hash): Move declaration earlier in file.
18134 (TYPE_HASH_SIZE, type_hash_table): Likewise.
18135 (init_obstacks): Add gc roots.
18136 (mark_type_hash): New function.
18137 * varasm.c: Include ggc.h.
18138 (mark_pool_constant): New function.
18139 (mark_varasm_state): New function.
18141 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18143 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
18145 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18147 * c-decl.c (struct language_function): Renamed from struct c_function.
18149 (c_function_chain): Delete.
18150 (push_c_function_context): New arg F. Don't warn about nested
18151 functions here. Fill LANGUAGE elt of F. Delete code to update
18152 c_function_chain. Don't call push_function_context.
18153 (pop_c_function_context): New arg F. Restore from there instead of
18154 from c_function_chain. Don't call pop_function_context. Clear out
18155 LANGUAGE field of F when done.
18156 * c-lang.c: Include "function.h"
18157 (lang_init): Initialize save_lang_status and restore_lang_status.
18158 * c-parse.in (nested_function, nested_function_notype): Warn about
18159 nested functions. Call push_function_context/pop_function_context
18160 instead of the _c_ variants.
18161 * c-tree.h (push_c_function_context, pop_c_function_context): Update
18163 * Makefile.in (c-lang.o): Update dependencies.
18165 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
18166 regno_pointer_flag, regno_pointer_align.
18167 (gen_reg_rtx): Use xrealloc to enlarge them.
18168 (free_emit_status): New function.
18169 * function.c (mark_machine_status, mark_lang_status): New variables.
18170 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
18171 in some bits from assign_stack_local. All callers changed to use new
18173 (assign_stack_local): Just call assign_stack_local_1.
18174 (free_after_compilation): New function.
18175 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
18176 (trampoline_address): Likewise.
18177 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
18178 (prepare_function_start): Explicitly clear some more variables.
18179 * function.h (struct function): New elt can_garbage_collect.
18180 (mark_machine_status, mark_lang_status): Declare variables.
18181 (free_after_compilation, free_emit_status, free_varasm_status,
18182 init_varasm_status): Declare functions.
18183 * toplev.c (rest_of_compilation): Call free_after_compilation when
18184 done with the current function.
18185 * varasm.c (free_varasm_status): New function.
18187 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
18189 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
18190 (EXPAND_BUILTIN_VA_ARG): Define.
18191 * sparc.c (sparc_va_start): New.
18192 (sparc_va_arg): New.
18194 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18196 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
18198 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18200 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
18202 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
18204 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
18205 (OBJS): Add $(GGC).
18206 (ggc-callbacks.o): New target.
18207 * ggc-callbacks.c: New file.
18209 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18211 * expr.h: Collapse individual optab and libfunc vars to arrays.
18212 (optab_index, libfunc_index): New enumerations.
18213 (optab_table, libfunc_table): New arrays.
18214 Add accessor macros for both.
18216 * optabs.c (optab_table, libfunc_table): New.
18217 Delete declarations for individual optab and libfunc vars.
18219 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
18221 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
18223 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
18225 * Makefile.in (GGC, GGC_LIB): New.
18226 (HOST_RTL): Include ggc-none.o.
18227 (ggc-simple.o): New target.
18228 (ggc-none.o): Likewise.
18229 * tree.h (tree_common): Add gc_mark.
18230 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
18231 (struct rtvec_def): Add gc_mark.
18232 * emit-rtl.c (global_rtl): Update static initializers to contain
18233 enough initializers.
18234 * ggc.h, ggc-none.c, ggc-simple.c: New files.
18235 * toplev.c (gc_time): New variable.
18236 (all_time): New variable.
18237 (compile_file): Print gc time.
18238 (print_time): Calculate percentage of the whole.
18240 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18242 Change obstack memory management and varasm constant pool handling so
18243 that nested functions are treated like any other functions.
18244 * function.c (init_machine_status): New variable.
18245 (push_function_context_to): Set contains_functions for the outer
18246 function. Don't call save_varasm_status.
18247 (pop_function_context_from): Don't call restore_varasm_status. Don't
18248 set current_function_contains_functions.
18249 (prepare_function_start): Call init_varasm_status rather than
18250 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
18252 * function.h (struct function) Add field varasm. Delete fields
18253 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
18254 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
18255 (init_machine_status): Declare.
18256 (save_varasm_status, restore_varasm_status): Delete declarations.
18257 (save_tree_status, restore_tree_status): Delete last argument.
18258 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
18259 code. All callers changed.
18260 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
18261 save_constants_in_decl_trees, restore_constants, save_constants,
18262 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
18264 (inlining): New variable.
18265 (reg_map, label_map, insn_map, orig_asm_operands_vector,
18266 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
18268 (save_for_inline_nocopy): Don't save constants.
18269 Don't set inl_emit field in current_function.
18270 (expand_inline_function): Use emit field, not inl_emit, of the inlined
18271 function. Set new variable inlining before
18272 calling copy_rtx_and_substitute.
18273 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
18274 constant pool references if inlining is nonzero.
18275 Delete ADDRESS and (most of the) CONST cases.
18276 (output_inline_function): Save and restore current_function/
18277 current_function_decl. Delete restore_constants code. Don't call
18278 init_const_rtx_hash_table.
18279 * output.h (init_const_rtx_hash_table): Don't declare.
18280 * rtl.h (struct function): Declare.
18281 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
18282 * toplev.c (rest_of_compilation): Don't treat nested functions or
18283 functions containing them specially. Delete all code to deal with
18284 save_for_inline_copying.
18285 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
18286 inline_obstacks): Delete variables.
18287 (save_tree_status): Lose arg CONTEXT. All callers changed.
18288 Simply allocate a new function_maybepermanent_obstack for the new
18289 function, delete all the special cases.
18290 Don't save inline_obstacks.
18291 (restore_tree_status): Lose arg CONTEXT. All callers changed.
18292 Delete special handling for function_maybepermanent_obstack; simply
18294 Don't restore inline_obstacks.
18295 (permanent_allocation): Delete code that frees inline_obstacks.
18296 (print_inline_obstack_statistics): Delete function.
18297 (dump_tree_statistics): Don't call it.
18298 * varasm.c (struct varasm_status): New.
18299 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
18300 last_pool, pool_offset, const_double_chain): Delete global
18301 variables, replace with accessor macros.
18302 (immed_double_const): Don't walk const_double_chain outside a
18303 function, but don't treat nested functions specially anymore.
18304 (immed_real_const_1): Likewise.
18305 (clear_const_double_mem): Don't treat nested functions specially.
18306 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
18307 (save_varasm_status, restore_varasm_status): Delete functions.
18308 (init_varasm_status): New function.
18309 (force_const_mem): Don't treat nested functions specially.
18310 (find_pool_constant): Accept new arg F, search for constants in
18311 that function's pool rather than the current one. All callers
18313 (get_pool_constant_for_function, get_pool_mode_for_function): New
18316 * i386.c (init_386_machine_status): New function, mostly from
18317 clear_386_stack_locals.
18318 (struct machine_functions): Rename element names to avoid name
18320 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
18321 macros, replacing global variables.
18322 (clear_386_stack_locals, save_386_machine_status,
18323 restore_386_machine_status): Delete functions.
18324 (override_options): Initialize init_machine_status.
18325 * i386.h (INIT_EXPANDERS): Delete macro.
18326 (save_386_machine_status, restore_386_machine_status,
18327 clear_386_stack_locals): Delete declarations.
18329 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18331 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
18332 (doloop_begin): Simplify pattern and use emit_jump_insn.
18333 (doloop_end): Simplify pattern, switch operand order,
18334 and use emit_jump_insn.
18336 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
18338 * function.h (struct function): Add new element LANGUAGE.
18339 (save_lang_status): Declare new variable.
18340 (restore_lang_status): Likewise.
18341 * function.c (save_lang_status): Define.
18342 (restore_lang_status): Likewise.
18343 (push_function_context_to): Call language-specific save function.
18344 (pop_function_context_from): Call language-specific restore function.
18346 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
18348 * i386.md (movsf_1): Check REG_P before use of REGNO.
18349 (movdf_1): Likewise.
18350 (movxf_1): Likewise.
18351 (extendsfdf2): Likewise.
18352 (extendsfxf2): Likewise.
18353 (extenddfxf2): Likewise.
18355 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18357 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
18358 constants into memory.
18359 (c4x_shiftable_constant): New function.
18360 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
18361 (c4x_shiftable_constant): Declare.
18362 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
18363 ashlqi3_noclobber): Add new patterns and associated splitters.
18365 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
18367 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
18368 * dwarf2out.c (dwarf2out_frame_init): Likewise.
18369 * final.c (shorten_branches): Likewise.
18370 * global.c (global_alloc): Likewise.
18371 * haifa-sched.c (build_control_flow): Likewise.
18372 * stmt.c (check_for_full_enumeration_handling): Likewise.
18373 (estimate_case_costs): Likewise.
18375 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
18377 * rtl.h (RTL_CHECKC2): Fix typo in last change.
18379 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
18381 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
18382 (recompute_reg_usage): Likewise.
18383 * rtlanal.c (find_regno_fusage): Likewise.
18385 * rtl.c (rtl_check_failed_code1): New function.
18386 (rtl_check_failed_code2): New.
18387 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
18388 (RTL_CHECKC1, RTL_CHECKC2): New.
18389 (XC*): New accessor macros.
18390 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
18391 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
18392 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
18393 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
18394 (TRAP_*, RANGE_INFO_*): Likewise.
18396 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18398 * Makefile.in (tlink.o): Don't depend on toplev.h.
18400 * collect2.c (c_file, o_file, export_file, import_file, ldout,
18401 output_file, nm_file_name, ldd_file_name, strip_file_name,
18402 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
18403 add_prefix, prefix_from_env, prefix_from_string, do_wait,
18404 fork_execute, maybe_unlink, add_to_list,
18405 extract_init_priority, write_list, dump_list,
18406 dump_prefix_list, write_list_with_asm, write_c_file,
18407 write_c_file_stat, write_c_file_glob, scan_prog_file,
18408 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
18409 ignore_library, extract_string, notice, dump_file, target_machine,
18410 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
18411 read_file, print_load_command): Constify a char*.
18412 (fdopen, error, fatal, fatal_perror): Don't prototype.
18413 (my_strerror): Remove. All callers use xstrerror instead.
18414 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
18415 (main): Add prototype. Constify lots of char* ptrs. Change calls
18416 to xcalloc/strcpy/strcat/... to one call to concat.
18417 (main, scan_prog_file, scan_libraries): Use an intermediate
18418 `const char **' to build an argv array.
18419 (mapfile, libselect, libcompare, locatelib): Add prototypes.
18421 * collect2.h (collect_execute, collect_wait, dump_file,
18422 file_exists): Constify a char*.
18423 (ldout, c_file_name, temporary_obstack, permanent_obstack,
18424 temporary_firstobj, vflag, debug): Add extern declarations.
18425 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
18427 * tlink.c: Don't include toplev.h.
18428 (vflag, debug, ldout, c_file_name, temporary_obstack,
18429 permanent_obstack, temporary_firstobj): Don't declare.
18430 (tlink_execute, frob_extension, symbol_hash_lookup,
18431 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
18432 recompile_files, read_repo_files, demangle_new_symbols,
18433 scan_linker_output): Constify a char*.
18434 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
18435 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
18437 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
18439 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
18440 (relative) rather than jsr (absolute) subroutine call insns.
18441 * config/m68k/m68k-coff.h: Ditto.
18443 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
18445 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
18446 now rework these too.
18447 (arm_reorg): If an insn can't reach the end of the current pool,
18448 ensure that we emit that pool before the insn.
18450 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
18452 * tlink.c (scan_linker_output): Skip the initial underscore in
18453 a mangled name if appropriate.
18455 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18457 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
18458 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
18459 error_with_ivar, gen_declarator, create_builtin_decl,
18460 my_build_string, generate_descriptor_table, generate_ivars_list,
18461 generate_dispatch_table, check_protocols, TAG_GETCLASS,
18462 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
18463 dump_base_name, lang_decode_option, build_encode_expr,
18464 start_class, finish_class, encode_pointer, really_start_method,
18465 gen_declaration, dump_interface, handle_class_ref, handle_impent):
18467 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
18468 Add static prototypes.
18469 (build_objc_string_decl, build_selector_reference_decl,
18470 encode_bitfield, build_class_reference_decl): Remove unused
18471 parameter, all callers changed.
18472 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
18473 (objc_printable_name): Likewise. Change second parameter to type int.
18474 (init_objc): Use memcpy, not bcopy, to avoid casts.
18476 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
18478 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
18479 reg notes on a deleted insn.
18480 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
18482 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
18484 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
18486 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18488 * stmt.c (expand_asm_operands): Fix index into inout_mode when
18491 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
18493 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
18494 * tm.texi (MD_ASM_CLOBBERS): Document it.
18496 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
18498 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
18499 * except.c (expand_rethrow): Remove unused variable.
18500 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
18501 * flow.c (replace_insns): Likewise.
18502 (create_edge_list, verify_edge_list): Likewise.
18503 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
18505 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
18506 is special code to run.
18507 (main): Don't define operands to emit_operand.
18508 * genrecog.c (main): Don't emit an empty peephole2_insn function.
18510 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
18512 * alpha/alpha.h (normal_memory_operand): Declare.
18513 (reg_no_subreg_operand): Declare.
18514 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
18516 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
18518 * c-parse.in (compstmt_primary_start): New, broken out of first
18519 part of compstmt handling in primary.
18520 (primary): Use it. Add an error clause.
18521 (compstmt_nostart): Renamed from compstmt; remove all
18522 initial invocations of compstmt_start.
18525 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
18527 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
18530 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
18532 * combine.c (simplify_shift_const): Remove extra semicolon.
18533 * dwarf2out.c (remove_AT): Likewise.
18534 * expmed.c (expand_mult): Likewise.
18535 * gcov.c (create_program_flow_graph): Likewise.
18536 * reorg.c (mostly_true_jump): Likewise.
18538 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
18540 * fold-const.c (fold_range_test): Do not try to fold the range
18541 test if the rhs or lhs has side effects.
18543 * combine.c (simplify_rtx): Recognize another case of a synthesized
18546 * varasm.c (mark_constant_pool): When marking indirect references,
18547 only look at SYMBOL_REFs.
18549 * except.c (expand_fixup_region_end): Do not peek at
18550 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
18552 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
18554 * flags.h: New variables align_loops, align_loops_log,
18555 align_jumps, align_jumps_log, align_labels, align_labels_log,
18556 align_functions, align_functions_log.
18557 * toplev.c: Define them.
18558 (f_options): Handle -falign-* when they have no argument.
18559 (main): Add logic to set variables for -falign-functions,
18560 -falign-jumps, -falign-labels, -falign-loops.
18561 Make it -fsched-verbose=<n> and -finline-limit=<n>.
18562 (display_help): Change help to match options.
18563 * final.c (LABEL_ALIGN): Default to align_labels_log.
18564 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
18565 (LOOP_ALIGN): Default to align_loops_log.
18566 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
18567 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
18568 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
18569 * varasm.c (assemble_start_function): Handle align_functions.
18571 * config/sparc/sparc.h: Don't declare sparc_align_*.
18572 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
18573 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
18575 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
18577 * config/sparc/sparc.c: Delete sparc_align_loops,
18578 sparc_align_jumps, sparc_align_funcs and the corresponding string
18580 (sparc_override_options): Default align_functions on ultrasparc.
18581 Delete -malign-* handling.
18583 * config/mips/mips.c (override_options): On 64-bit targets,
18584 try to align code to 64-bit boundaries.
18585 (print_operand): New substitution, %~,
18586 which aligns labels to align_labels_log.
18587 * config/mips/mips.md (div_trap_normal): Use %~.
18588 (div_trap_mips16): Likewise.
18590 (absdi2): Likewise.
18591 (ffssi2): Likewise.
18592 (ffsdi2): Likewise.
18593 (ashldi3_internal): Likewise.
18594 (ashrdi3_internal): Likewise.
18595 (lshrdi3_internal): Likewise.
18596 (casesi_internal): Likewise.
18598 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
18600 Merge new ia32 backend from the branch!
18602 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
18603 See ChangeLog.P2 on new_ia32_branch for details.
18605 * rtl.h (stack_regs_mentioned_p): Delete prototype.
18606 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
18607 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
18608 * i386/gas.h (ASM_FILE_START): Define.
18609 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
18610 for name change of ix86_valid_decl_attribute_p.
18611 (i386_pe_valid_type_attribute_p): Similarly.
18613 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
18615 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
18616 to step through CC modes.
18618 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18620 * regmove.c (fixup_match_1): Don't move INSN in front of P if
18621 it would end up in the shadow of a live flags regsiter.
18623 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18625 * reload1.c: Fix many indentation problems.
18626 * reload.c: Likewise.
18628 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
18630 * alias.c (non_local_reference_p): Constify fmt.
18632 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
18634 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
18636 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
18638 * cse.c (delete_trivially_dead_insns): Do not delete stores to
18639 the internal_arg_pointer.
18641 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
18643 Merge peephole2 from new_ia32_branch:
18644 * Makefile.in (STAGESTUFF): Add *.peephole2.
18645 (mostlyclean): Likewise.
18646 (recog.o): Depend on resource.h.
18648 * final.c (peephole): Conditionalize decl on HAVE_peephole.
18649 (final_scan_insn): Likewise for the invocation of peephole.
18650 * genconfig.c (main): Look for peephole and peephole2 patterns.
18651 Emit HAVE_peephole* accordingly.
18652 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
18653 * flags.h (flag_peephole2): Declare.
18654 * toplev.c: New pass peephole2. New flag -fpeephole2.
18656 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
18657 * gencodes.c (main): Likewise.
18658 * genextract.c (main): Likewise.
18659 * genoutput.c (main): Likewise.
18660 * genemit.c (max_operand_1): Look for the max scratch operand.
18661 (gen_rtx_scratch): New.
18662 (gen_exp): Use it, and pass on new arg subroutine_type.
18663 (gen_expand): Take max scratch into account.
18664 (gen_split): Emit peephole2 functions.
18665 (output_peephole2_scratch): New.
18666 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
18667 * genrecog.c (routine_type): Add PEEPHOLE2.
18669 (make_insn_sequence): Match outer parallel for peep2. Discard
18670 top level scratches and dups.
18671 (add_to_sequence): New args insn_type and top. Update all callers.
18672 Handle toplevel peep2 matching insns.
18673 (write_subroutine): Handle peep2.
18674 (write_tree_1): Likewise.
18675 (write_tree): Likewise.
18677 (change_state): New arg afterward. Update all callers.
18678 Handle matching separate insns.
18679 * recog.c (recog_next_insn): New.
18680 (peephole2_optimize): New.
18681 * rtl.def (DEFINE_PEEPHOLE2): New.
18682 * resource.c (find_free_register): New argument last_insn. Use it
18683 to find a register available through the entire span.
18684 * resource.h (find_free_register): Update prototype.
18686 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
18688 * i386.c (output_strlen_unroll): Don't write xops[7]
18689 label if it wasn't set.
18691 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
18693 * cpplib.c (struct directive): Const-ify name pointer and
18694 function pointer prototype.
18695 (validate_else, do_define, do_line, do_include, do_undef,
18696 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
18697 do_elif, do_endif, do_sccs, do_assert, do_unassert,
18698 do_warning): Const-ify second arg.
18699 (directive_table): Mark const. Reorder entries by frequency
18700 of usage, record statistics.
18702 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
18704 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
18705 bounds- check RTL accesses if --enable-checking.
18706 (RTVEC_ELT): Bounds check if --enable-checking.
18707 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
18708 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
18709 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
18711 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
18712 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
18714 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
18715 (NOTE_SOURCE_FILE): Use X0STR.
18716 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
18717 MEM_ALIAS_SET): Use X0INT.
18718 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
18719 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
18721 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
18722 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
18723 (rtl_check_failed_bounds, rtl_check_failed_type1,
18724 rtl_check_failed_type2, rtvec_check_failed_bounds): New
18726 (fancy_abort): Fix comment.
18728 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
18729 (cse_insn): Decrement LABEL_NUSES for jump target before
18730 deleting jump insn.
18731 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
18732 * final.c (alter_subreg): Compute regno before changing x to
18733 REG; set REGNO(x) after changing it.
18734 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
18735 notes containing CONST_INTs.
18736 (delete_eh_regions): Use NOTE_EH_HANDLER.
18737 * function.c (put_reg_into_stack): Make reg a MEM before
18739 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
18741 (gen_mem_addressof): Make reg a MEM before initializing it.
18742 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
18744 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
18745 deleting an insn, not after.
18746 (block_alloc): Only look at PATTERN(insn) if we have to, and
18747 only if it's format class 'i'.
18748 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
18749 CONST_INT before using its INTVAL.
18750 * print-rtl.c (print_rtx): Use X0STR.
18751 * regmove.c (fixup_match_1): Don't look at PATTERN of
18752 non-class-'i' insn chain elements.
18753 * reload.c (loc_mentioned_in_p): Take address of
18754 in->fld[1].rtx directly.
18755 * reload1.c (reload): Change reg to a MEM before initializing
18757 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
18759 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
18761 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
18763 * config/mips/mips.c (machine_dependent_reorg): Force a
18764 barrier to output the local constant pool if a barrier hasn't
18765 been found at a natural point in the instruction stream.
18767 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18769 * c-parse.in (language_string): Constify.
18771 * dwarf2out.c (language_string): Remove declaration.
18773 * dwarfout.c (language_string): Likewise.
18775 * toplev.c (language_string, init_parse, finish_parse): Likewise.
18777 * tree.h (language_string, init_parse, finish_parse): Declare.
18779 * i386/sun386.h (language_string): Remove declaration.
18781 * mips.h (language_string): Likewise.
18783 * nextstep.h (language_string): Likewise.
18785 * nextstep21.h (language_string): Likewise.
18787 * rs6000.c (language_string): Likewise.
18789 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18791 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
18792 (getpwd.o): Remove target.
18794 * getpwd.c: Delete file. Its in libiberty now.
18796 * dbxout.c (getpwd): Don't prototype.
18797 * dwarf2out.c (getpwd): Likewise
18798 * dwarfout.c (getpwd): Likewise
18799 * final.c (getpwd): Likewise.
18800 * protoize.c (getpwd): Likewise.
18802 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18804 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
18806 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
18808 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
18809 mark_set_resources.
18811 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
18813 * fixinc/Makefile.in (subdir): New.
18814 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
18817 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
18819 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
18820 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
18823 * invoke.texi: Fix typo.
18825 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
18826 changed. Handle autoincrement addressing modes.
18828 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
18829 just like we would the virtual incoming args register when
18832 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
18834 * rs6000.h (ASM_FILE_START): Specify complete filename, including
18835 path, in .file directive.
18837 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
18839 * gcc.texi (External Bugs): Remove obsolete note about Perl on
18842 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
18844 * stdbool.h: Make the typedef name _Bool, with bool a #defined
18847 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18849 * tree.c (tree_code_name): Constify a char*.
18851 * tree.h (tree_code_name, decl_printable_name): Likewise.
18853 * function.h (struct function): Likewise.
18855 * toplev.c (decl_name, decl_printable_name): Likewise.
18857 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
18859 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
18860 (init_objc): Remove function pointer cast.
18862 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
18864 * pa.md (interspace_jump): New pattern.
18865 (builtin_longjmp): New expander.
18867 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
18869 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
18870 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
18871 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
18873 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
18875 * jump.c (delete_prior_computation): Also check calls
18876 to constant functions. Don't bother checking for a
18877 REG_UNUSED note before adding it.
18878 (delete_computation): Handle multi-word hard registers
18879 when synthesizing missing REG_DEAD notes for a register
18880 which is both set and used by an insn.
18882 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18884 * loop.c (this_loop_info): New variable.
18885 (loop_has_call, loop_has_volatile, loop_has_tablejump,
18886 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
18888 (prescan_loop, strength_reduce): New argument loop_info. All callers
18890 (scan_loop): New variable loop_info, initialise to address of
18892 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
18893 Delete variable loop_has_multiple_exit targets and replace with
18894 field in this_loop_info.
18895 (find_and_verify_loops): Rename this_loop to this_loop_num.
18896 (strength_reduce): Delete loop_iteration_info. Replace variable
18897 loop_info with function argument of same name.
18898 (insert_bct): Rework test for loop being completely unrolled.
18900 * loop.h (struct loop_info): New fields num, loops_enclosed,
18901 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
18902 has_indirect_jump, and cont. Redefine use of unroll_number.
18903 (loop_unroll_number): Delete.
18905 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
18906 field of loop_info.
18907 (loop_iterations): Delete variable vtop and instead use
18908 loop_info->vtop computed in prescan_loop.
18910 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
18912 * fix-header.c (main): Do not pass a null pointer to strcmp.
18914 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
18916 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
18918 * configure: Rebuilt.
18920 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
18922 * jump.c (jump_optimize_1): Do not delete assignments to
18923 internal_arg_pointer.
18924 * cse.c (delete_trivially_dead_insns): Always consider a set of
18925 the internal_arg_pointer live.
18927 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
18929 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
18930 (update_life_info) [REG_WAS_0]: Search the original insns rather
18931 than the new insns for the note. Fix typos finding note_dest.
18932 If no dest found, discard the note rather than abort.
18933 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
18934 (replace_insns): Remove the old insn list after update_life_info
18937 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
18939 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
18940 sched_analyze_insn.
18941 (sched_analyze_1): Let add_dependence care for not adding dups.
18942 (sched_analyze_2): Likewise.
18943 (add_branch_dependences): Likewise.
18945 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
18947 * i386/winnt.c (export_list): New type.
18948 (exports_head): Rename to
18949 (export_head): this.
18950 (i386_pe_record_exported_symbol): Add is_data flag.
18951 (i386_pe_asm_file_end): Emit directive for exported variables.
18952 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
18954 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
18955 (ASM_DECLARE_OBJECT_NAME): Likewise.
18956 (ASM_DECLARE_FUNCTION_NAME): Likewise.
18957 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
18959 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
18961 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
18963 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
18966 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
18968 * config/openbsd.h: Define SET_ASM_OP.
18969 * tm.texi: cross-reference SET_ASM_OP in the index.
18971 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
18973 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
18974 for a CONST_DOUBLE, at compile time. Initialize rtx_length
18975 and class_narrowest_mode at compile time. Kill init_rtl.
18976 Mark rtx_length, mode_class, mode_size, mode_unit_size,
18977 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
18978 rtx_format as const. Kill all references to EXTRA_CC_MODES or
18980 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
18982 * rtl.h: Declare rtx_length and rtx_format as const.
18983 * machmode.def: Define CC(). Use CC() to define CCmode. If
18984 EXTRA_CC_MODES is defined, expand it here.
18985 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
18986 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
18987 const. Kill all references to EXTRA_CC_MODES.
18989 * toplev.c: Don't prototype or call init_rtl.
18990 * optabs.c: Don't call init_mov_optab.
18991 * genemit.c: Don't generate init_mov_optab. Don't call
18993 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
18995 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
18996 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
18997 genrecog.c: Don't call init_rtl.
18999 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
19000 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
19001 definition of EXTRA_CC_MODES.
19003 * md.texi: Kill ref to EXTRA_CC_NAMES.
19004 * tm.texi: Document new way to define EXTRA_CC_MODES.
19006 * genrecog.c: Do not look up the name of a define_split.
19007 (Unrelated bugfix.)
19009 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
19011 * config/v850/v850.md: Fix typo introduced by previous delta.
19013 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19015 * gcc.c (fatal): Make definition static to match prototype.
19017 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19019 * combine.c (get_last_value): Don't look for earlier sets if the last
19020 known set is somewhere in between the insns being combined.
19022 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
19024 * configure.in: Don't use shell ! to negate exit codes
19025 * configure: Regenerate
19027 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
19029 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
19030 the fact that ALIGN is measured in bits, not bytes.
19032 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
19034 * errors.c: New file; defines functions error, warning, and
19035 fatal, variables have_error and progname.
19036 * errors.h: New file; prototypes and decls for stuff in errors.c.
19038 * Makefile: Add rules to build errors.o and
19039 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
19040 genopinit, genrecog, genextract, genpeep, genattr, and
19041 genoutput with errors.o. Add errors.h to deps of genconfig.o,
19042 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
19043 genpeep.o, genattr.o, and genoutput.o.
19045 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
19046 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
19047 define or prototype fatal. Set progname at beginning of main.
19048 * genoutput.c: Likewise, and don't define or prototype error
19051 * c-typeck.c (c_expand_start_case): Return immediately if exp
19053 * fold-const.c (operand_equal_p): Return immediately if arg1
19054 or arg0 are ERROR_MARKs.
19055 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
19056 fields of type ERROR_MARK when calculating if the record can
19059 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
19060 with much help from Jeffrey A Law and Richard Henderson
19062 * i386.md: In the 6 insns which call output_fix_trunc,
19063 earlyclobber operands[0].
19065 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
19067 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
19068 creating new registers.
19070 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
19072 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
19073 i386_reg_alloc_order, i386_regparm_string,
19074 i386_align_loops_string, i386_align_jumps_string,
19075 i386_align_funcs_string, i386_preferred_stack_boundary_string,
19076 and i386_branch_cost_string as type "const char *".
19077 * i386.c: Define all above strings as type "const char *".
19079 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
19081 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
19082 when emitting alignment padding. Emit padding byte of 0 instead of 4.
19084 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19086 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
19087 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
19089 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
19091 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
19092 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
19093 (dwarf2out_line, dwarf2out_finish): Likewise.
19094 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
19096 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
19098 * tree.c (lang_unsave_expr_now) : Correct return type.
19099 * tree.h (lang_unsave_expr_now) : Same.
19101 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
19103 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
19104 instead of duplicating code.
19106 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19108 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
19110 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
19112 * tree.h: fancy_abort always takes three args.
19113 * resource.c: Move include of system.h before toplev.h.
19115 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
19117 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
19120 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
19122 * system.h: Don't redefine abort or trim_filename.
19123 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
19124 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
19125 whether or not __FUNCTION__ is available.
19126 * tree.h: Duplicate rtl.h's definition of abort, for files
19127 that don't include rtl.h. Delete all code to perform type
19128 checking with a compiler other than GCC.
19129 * varray.h: Delete all code to perform type checking with a
19130 compiler other than GCC. Make VARRAY_CHECK() always evaluate
19131 its arguments exactly once, using a statement expression.
19132 Adjust the VARRAY_<type> accessor macros to match.
19133 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
19134 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
19135 caller's location. Define fatal_insn and fatal_insn_not_found
19136 as macros that use _fatal_insn and _fatal_insn_not_found.
19137 (fancy_abort, trim_filename): Kill prototypes.
19139 * rtl.c (trim_filename): Move here from toplev.c.
19140 (fancy_abort): New function.
19141 (DIR_SEPARATOR): Provide default definition.
19142 * tree.c (tree_check_failed, tree_class_check_failed): Go
19143 through fancy_abort.
19144 (tree_check, tree_class_check, cst_or_constructor_check,
19145 expr_check): Delete.
19146 * varray.c (varray_check_failed): New function.
19147 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
19148 _fatal_insn and _fatal_insn_not_found. Go through
19150 (trim_filename, fancy_abort): Delete.
19152 * builtins.c (expand_builtin_args_info): Report ICE with abort.
19153 * except.c (start_catch_handler): Report ICE with error/abort
19155 * final.c (output_operand_lossage): Likewise.
19156 * flow.c (verify_flow_info): Likewise.
19158 * gcc.c: Prototype fatal.
19159 * gengenrtl.c: Undef abort after including rtl.h not system.h.
19160 * genattr.c, genattrtab.c, genemit.c, genextract.c,
19161 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
19162 Don't define fancy_abort.
19164 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
19166 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
19169 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
19171 * m88k.h (VERSION_INFO2): Kill.
19172 (VERSION_STRING): Kill.
19174 (VERSION_INFO1): Tidy.
19175 (TARGET_VERSION): Update.
19176 * m88k/dgux.h (VERSION_INFO2): Kill.
19177 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
19178 * m88k/luna.h (VERSION_INFO1): Tidy.
19179 * m88k/sysv4.h (VERSION_INFO1): Likewise.
19180 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
19181 (output_file_start): Adjust for death of VERSION_STRING.
19183 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
19185 * cpplib.c (detect_if_not_defined): New function.
19186 (do_if): Use it to detect potential once-only headers.
19188 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
19190 * c-common.c (combine_strings): Always set TREE_CONSTANT.
19192 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
19194 * combine.c (nonzero_bits) : Allow single-ly set registers to be
19195 anywere in the function only if they are pseudos and set before
19196 being used (not live at the start of the function).
19197 (num_sign_bit_copies) : Same.
19198 (get_last_value_validate) : Same.
19199 (get_last_value) : Same.
19201 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
19203 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
19204 where N and M are constant and N is an integer multiple of M.
19206 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19208 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
19209 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
19210 sbitmap_union_of_preds): Add prototypes.
19211 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
19212 the intersection of successors with the new flow graph structures.
19213 (sbitmap_intersection_of_preds): New function to compute the
19214 intersection of predecessors with the new flow graph structures.
19215 (sbitmap_union_of_succs): New function to compute the union of
19216 successors with the new flow graph structures.
19217 (sbitmap_union_of_preds): New function to compute the union of
19218 predecessors with the new flow graph structures.
19219 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
19220 (expr_reaches_here_p): Use edge and basic_block structures instead
19221 of s_preds and s_succs.
19222 (compute_cprop_avinout): Use new sbitmap routines.
19223 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
19224 of s_preds and s_succs.
19225 * flow.c (compute_flow_dominators): Compute dominators using
19226 edges and basic blocks instead of s_preds and s_succs.
19228 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19230 * lists.c (unused_insn_list, unused_expr_list): New file for
19231 maintaining various types of lists. New statics for maintaining a
19232 cache of available INSN_LIST and EXPR_LIST nodes.
19233 (free_list): Static function for freeing a list of INSN/EXPR nodes.
19234 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
19235 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
19236 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
19237 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
19238 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
19239 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
19240 (free_INSN_LIST_node): Free an individual INSN_LIST node.
19241 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
19242 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
19243 (remove_dependence, free_pending_lists): Use new global routines.
19244 (flush_pending_lists, sched_analyze_insn): Use new global routines.
19245 (sched_analyze, compute_block_backward_dependences): Use new routines.
19246 (sched_analyze_1, sched_analyze_2): Use new routines.
19247 (schedule_insns): Use new global routines.
19248 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
19250 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
19251 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
19253 * toplev.c (rest_of_compilation): Initialize node cache.
19254 * Makefile.in (OBJS): Add lists.o to list of object files.
19255 (lists.o): Add dependancies.
19257 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
19259 * config/v850/v850.md: Fix compile time warning messages.
19260 * config/v850/v850.c: Fix compile time warning messages.
19261 * config/v850/v850.h: Fix compile time warning messages.
19263 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19265 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
19266 Remove unused prototype for `init_lengths'.
19268 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19270 * calls.c (emit_call_1): Mark parameter `stack_size' with
19272 (expand_call): Initialize variable `insn'.
19273 (emit_library_call): Likewise for variable `high_to_save'.
19274 (emit_library_call_value): Likewise.
19275 (store_one_arg): Likewise for variables `lower_bound' and
19278 * combine.c (try_combine): Likewise for variables `i2_code_number'
19279 and `other_code_number'.
19280 (find_split_point): Likewise for variables `pos', `unsignedp' and
19282 (simplify_if_then_else): Likewise for variables `op' and `c1'.
19283 (simplify_and_const_int): Remove unused variable `width'.
19284 (merge_outer_ops): Likewise.
19286 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
19287 HOST_WIDE_INT' when comparing against one.
19288 (simplify_relational_operation): Likewise.
19289 (cse_insn): Initialize variables `src_eqv_volatile',
19290 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
19292 * final.c (init_final): Constify parameter `filename'.
19293 (final_start_function): Mark parameter `optimize' with
19295 (profile_function): Likewise for parameters `first' and `optimize'.
19296 (output_source_line): Likewise for parameter `file'.
19298 * integrate.c (subst_constants): Cast a value to `size_t' when
19299 comparing against one.
19300 (mark_stores): Initialize variable `mode'. Cast a value to
19301 `size_t' when comparing against one.
19303 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
19305 * loop.c (move_movables): Initialize variable `first'.
19306 (strength_reduce): Likewise for variable `increment'.
19307 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
19308 value to `size_t' when comparing against one.
19309 (load_mems): Initialize variable `end_label'.
19311 * output.h (init_final): Constify parameter.
19313 * reload.c (decompose): Initialize variable `base'.
19315 * reload1.c (reload): Likewise for variable `is_scalar'.
19316 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
19317 (choose_reload_regs): Initialize variable `mode'.
19318 (emit_reload_insns): Likewise for variable `store_insn'.
19319 (reload_cse_noop_set_p): Mark parameter `insn' with
19321 (reload_combine): Initialize variable `set'.
19323 * unroll.c (unroll_loop): Likewise for variable `local_label'.
19324 (copy_loop_body): Cast a value to `size_t' when comparing against
19327 * varasm.c (assemble_variable): Initialize variable `size_tree'.
19328 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
19329 (remove_from_pending_weak_list): Mark parameter `name' with
19332 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19334 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
19337 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
19339 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
19340 (ASM_DECLARE_FUNCTION_NAME): Define.
19341 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
19342 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
19343 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
19344 not already defined.
19346 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
19348 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
19349 of n_popped when call/call_value are not defined.
19351 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
19353 * tm.texi: GNU CC -> GCC conversion.
19354 (CC1_SPEC): Indicate it is used for all language front ends.
19356 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
19358 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
19359 NOTE_INSN_EH_REGION_END correctly.
19361 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
19362 Jeff Law <law@cygnus.com>
19364 * loop.c (strength_reduce): Automatically unroll loops if the
19365 unrolled loop size is smaller than the rolled loop size.
19367 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
19368 and delete comment that code should be rewritten.
19370 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
19372 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
19375 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
19377 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
19379 * fixinc/mkfixinc.sh: Don't fix uwin headers.
19380 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
19381 (LINK_SPEC): Add -u _main when building executables.
19382 (ASM_DECLARE_FUNCTION): Update from Cygwin.
19383 (ASM_FILE_END): Use the default for ix86-pe.
19384 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
19386 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
19388 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
19389 and ASM_CLOSE_PAREN are empty strings.
19391 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
19392 Geoffrey Keating <geoffk@cygnus.com>
19394 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
19395 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
19396 (unprotoize.o): Ditto.
19397 (test-protoize-simple): Don't define STD_PROTO_DIR.
19398 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
19399 changes to make 'test-protoize-simple' pass.
19400 (STD_PROTO_DIR): Remove define.
19401 (STANDARD_EXEC_PREFIX): Supply default define.
19402 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
19403 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
19404 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
19405 (GET_ENV_PATH_LIST): New macro.
19406 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
19407 (do_processing): Initialize default_syscalls_dir using new
19408 macros. Use it to initialize syscalls_absolute_filename.
19410 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
19412 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
19413 B into a register before emit_conditional_move.
19415 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
19417 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
19418 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
19419 multiplicand out of (+ (* a b) (* c d)).
19421 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
19422 Richard Henderson <rth@cygnus.com>
19424 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
19425 (new_insn_dead_notes): Likewise.
19426 (update_n_sets): Likewise.
19427 (update_flow_info): Move to flow.c, renamed to update_life_info;
19428 extend to handle multiple source insns.
19429 * flow.c: Include resource.h
19430 (unlink_insn_chain): New.
19431 (split_hard_reg_notes): New.
19432 (maybe_add_dead_note): New.
19433 (maybe_add_dead_note_use): New.
19434 (find_insn_with_note): New.
19435 (new_insn_dead_notes): New.
19436 (update_n_sets): New.
19437 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
19438 (maybe_remove_dead_notes): New.
19439 (update_life_info): New.
19440 (prepend_reg_notes): New.
19441 (replace_insns): New.
19442 * output.h (update_life_info): Declare.
19443 * recog.c (split_block_insns): Use update_life_info.
19444 * resource.c (find_free_register): Use reg_alloc_order, don't use
19445 fixed regs, make sure the mode is supported, don't use new regs.
19447 * rtl.h (replace_insns): Declare.
19449 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
19451 * expr.c (expand_expr): Cope with COND_EXPRs with one
19452 non-returning branch.
19454 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
19456 * expr.c (store_expr): Always pass down the target, even when not
19459 1999-08-24 Nick Clifton <nickc@cygnus.com>
19461 * configure.in: Define target_cpu_default for v850 targets.
19462 * configure: Regenerate
19464 * config/v850/v850.h (TARGET_CPU_generic): Define.
19465 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
19466 addresses are 4 byte aligned.
19468 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
19471 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19473 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
19474 (main): Add prototypes.
19476 * genattrtab.c (substitute_address, write_const_num_delay_slots,
19477 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
19478 (write_attr_get): Emit prototypes along with function definition.
19479 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
19480 (write_complex_function): Emit static prototype along with
19481 function definition.
19483 * genemit.c (gen_split): Emit prototypes along with function
19486 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
19487 Likewise for predicates and `insn_operand_predicate'.
19488 (process_template): Emit static prototype along with function
19491 * genrecog.c (make_insn_sequence): Constify a char*. Add
19492 prototypes for get_split_*().
19493 (write_subroutine): Emit prototypes along with function
19496 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19498 * gcse.c (find_avail_set): Follow chains of register-register copies.
19499 Use oprs_not_set_p to guarantee that the returned value can be
19501 (cprop_insn): Don't verify the return value of find_avail_set with
19504 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
19505 (cprop_cc0_jump): New function.
19506 (cprop_insn): Break out new function cprop_jump and use it.
19507 Also use cprop_cc0_jump for machines with CC0.
19508 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
19510 * tree.h (current_function_calls_setjmp,
19511 current_function_calls_longjmp): Delete declarations.
19512 * dsp16xx.c: Include "function.h".
19513 * elxsi.c: Likewise.
19514 * gmicro.c: Likewise.
19515 * h8300.c: Likewise.
19516 * i370.c: Likewise.
19517 * m32r.c: Likewise.
19518 * mn10200.c: Likewise.
19519 * mn10300.c: Likewise.
19520 * ns32k.c: Likewise.
19521 * spur.c: Likewise.
19522 * v850.c: Likewise.
19524 * rtl.h (rtx_equal_function_value_matters): Declare.
19525 * toplev.c (rtx_equal_function_value_matters): Don't declare.
19527 * function.c: Likewise.
19528 * emit-rtl.c: Likewise.
19530 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
19532 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
19535 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
19537 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
19540 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
19542 * cpp.texi: Add a node documenting macro varargs (copied
19545 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
19547 * cppspec.c: Put a null pointer at the end of the new argv.
19549 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
19551 * configure.in: Remove code to select/de-select the haifa
19552 scheduler. Every scheduled port gets haifa now.
19553 * configure: Rebuilt.
19554 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
19556 * Makefile.in: Corresponding changes.
19558 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19560 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
19561 All callers changed.
19562 (prepare_float_lib_cmp): Likewise.
19563 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
19564 * expr.h (emit_float_lib_cmp): Delete declaration.
19565 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
19566 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
19567 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
19569 (cmptf): Now conditional on TARGET_HARD_QUAD.
19571 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
19573 * resource.c (mark_target_live_regs): Use
19574 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
19576 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19578 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
19580 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
19582 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
19584 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19586 * rtl.h (rtx_format): Constify a char*.
19588 * rtl.c (rtx_format): Likewise.
19589 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
19590 (init_rtl): Use accessor macro, not `rtx_format'.
19592 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
19595 * caller-save.c (mark_referenced_regs): Likewise.
19597 * combine.c (subst, make_compound_operation, known_cond,
19598 gen_rtx_combine, update_table_tick, get_last_value_validate,
19599 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
19601 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
19602 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
19603 count_reg_usage): Likewise.
19605 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
19608 * final.c (leaf_renumber_regs_insn): Likewise.
19610 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
19611 dump_edge_info, count_reg_references): Likewise.
19613 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
19614 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
19617 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
19618 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
19619 add_label_notes): Likewise.
19621 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
19622 clear_struct_flag, count_sub_rtxs, count_alternatives,
19623 compares_alternatives_p, contained_in_p, walk_attr_value,
19624 write_expr_attr_cache): Likewise.
19626 * genconfig.c (walk_insn_part): Likewise.
19628 * genemit.c (max_operand_1, gen_exp): Likewise.
19630 * genextract.c (walk_rtx): Likewise.
19632 * genflags.c (num_operands): Likewise.
19634 * genoutput.c (scan_operands): Likewise.
19636 * genpeep.c (match_rtx): Likewise.
19638 * genrecog.c (add_to_sequence): Likewise.
19640 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
19643 * integrate.c (save_constants, copy_for_inline,
19644 copy_rtx_and_substitute, subst_constants, restore_constants):
19647 * jump.c (mark_jump_label, invert_exp, redirect_exp,
19648 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
19650 * local-alloc.c (contains_replace_regs, memref_referenced_p):
19653 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
19654 add_label_notes, replace_call_address, count_nonfixed_reads,
19655 invariant_p, find_single_use_in_loop, find_mem_givs,
19656 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
19659 * print-rtl.c (reg_names, print_rtx): Likewise.
19661 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
19663 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
19664 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
19665 print_blocks): Likewise.
19667 * regclass.c (fix_register, record_address_regs,
19668 reg_scan_mark_refs): Likewise.
19670 * regmove.c (stable_but_for_p): Likewise.
19672 * reload.c (loc_mentioned_in_p, operands_match_p,
19673 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
19674 copy_replacements, refers_to_regno_for_reload_p,
19675 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
19676 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
19679 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
19680 delete_address_reloads_1, count_occurrences,
19681 reload_cse_mem_conflict_p, reload_combine_note_use,
19682 add_auto_inc_notes): Likewise.
19684 * resource.c (mark_referenced_resources, mark_set_resources):
19687 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
19688 reg_mentioned_p, regs_set_between_p, modified_between_p,
19689 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
19690 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
19691 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
19692 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
19694 * sched.c (sched_analyze_2, attach_deaths): Likewise.
19696 * stupid.c (stupid_mark_refs): Likewise.
19698 * unroll.c (remap_split_bivs): Likewise.
19700 * varasm.c (mark_constants): Likewise.
19702 * a29k/a29k.c (uses_local_reg_p): Likewise.
19704 * alpha/alpha.c (summarize_insn): Likewise.
19706 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
19707 eliminate_lr2ip): Likewise.
19709 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
19711 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
19712 reg_mentioned_in_mem): Likewise.
19714 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
19715 symbolic_reference_mentioned_p): Likewise.
19717 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
19719 * sh/sh.c (regs_used, mark_use): Likewise.
19721 * vax/vax.c (vax_rtx_cost): Likewise.
19723 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19725 * machmode.h (mode_name): Constify a char*.
19727 * rtl.c (mode_name): Likewise.
19729 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
19731 * optabs.c (init_libfuncs): Constify a char*.
19733 * print-tree.c (mode_name): Remove redundant declaration.
19734 (print_node): Use accessor macro, not `mode_name'.
19736 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
19738 (new_spill_reg): Constify a char*.
19740 * tree.c (mode_name): Remove redundant declaration.
19742 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19744 * rtl.c (rtx_name): Constify a char*.
19746 * rtl.h (rtx_name, fix_sched_param): Likewise.
19748 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
19749 (mypr): Use accessor macro, not `rtx_name'.
19751 * genemit.c (print_code): Constify a char*.
19753 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
19755 * genpeep.c (print_code): Constify a char*.
19757 * genrecog.c (print_code): Likewise.
19759 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
19760 end_bb): Add static prototype.
19761 (draw_edge): Constify a char*.
19762 (end_bb): Remove unused parameter.
19764 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
19765 print_block_visualization): Constify a char*.
19767 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
19769 * c-common.c (c_get_alias_set): Update comment.
19771 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19773 * linux.h (LIB_SPEC): Added.
19775 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19777 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
19779 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
19781 * tree.c (expr_check): Fix typo in last change.
19783 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
19785 * rtl.def (NOTE): Change format to "iuu0n".
19786 (ADDR_DIFF_VEC): Change format to "eEee0".
19787 (ADDRESSOF): Change format to "eit".
19789 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
19790 (RTVEC_ELT): Change to match.
19791 (XVECEXP): Use XVEC and RTVEC_ELT.
19792 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
19793 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
19794 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
19795 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
19796 TRAP_CONDITION, TRAP_CODE): Use XEXP.
19797 (INTVAL): Use XWINT.
19798 (ADDRESSOF_DECL): Use XTREE.
19799 (SET_ADDRESSOF_DECL): Delete.
19800 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
19801 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
19802 ifdefed out since 2.6 at least.
19803 (gen_rtvec_vv): Delete prototype.
19805 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
19807 (copy_most_rtx): Handle 't' format letter.
19808 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
19809 (gen_rtvec_vv): Delete function. All callers changed to use
19810 gen_rtvec_v instead.
19811 * print-rtl.c (print_rtx): Move special casing of NOTEs to
19812 the '0' format letter.
19814 * function.c (gen_mem_addressof): Don't use
19815 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
19817 * integrate.c (copy_rtx_and_substitute): Likewise.
19818 Copy 't' slots with XTREE.
19819 (subst_constants): Treat 't' slots like '[swi]' slots.
19820 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
19821 * jump.c (rtx_equal_for_thread_p): Likewise.
19822 * rtlanal.c (rtx_equal_p): Likewise.
19823 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
19824 only four arguments.
19825 * gengenrtl.c (type_from_format): Provide correct types for
19829 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
19830 If a recent gcc is in use (always in stage2 and beyond), use
19831 statement expressions, so we don't make a function call unless
19832 the check fails. Evaluate arguments exactly once.
19833 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
19834 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
19836 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
19837 they evaluate their arguments exactly once, irrespective of
19838 the compiler in use.
19840 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
19841 is used by the currently-enabled check macros. This is:
19842 (tree_check_failed, tree_class_check_failed): For gcc.
19843 (tree_check, tree_class_check, cst_or_constructor_check,
19844 expr_check): For other compilers.
19846 * gencheck.c: Do not define any *_CHECK1 macros.
19848 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
19849 Mark Mitchell <mark@codesourcery.com>
19851 * c-common.c (c_get_alias_set): Fix support for poitners and
19854 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
19856 * alias.c: Include tree.h.
19857 (nonlocal_reference_p, mark_constant_function): New functions.
19858 * flow.c (life_analysis): Call mark_constant_function.
19859 * rtl.h (mark_constant_function): Declare it.
19861 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
19863 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
19864 unrecognisable switches.
19866 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19868 * loop.c (recombine_givs): Set ix field after sorting.
19869 (recombine_givs): Remove bogus index / giv lockstep looping.
19871 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19873 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
19875 (emit_store_flag_force): Use do_compare_rtx_and_jump.
19876 (do_cmp_and_jump): Formatting fixes.
19877 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
19878 do_compare_rtx_and_jump instead of compare_from_rtx.
19879 (do_compare_rtx_and_jump): New function; mostly copied from
19881 (do_jump_for_compare): Delete.
19882 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
19884 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
19885 of compare/do_jump_for_compare pairs.
19886 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
19887 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
19888 compare_from_rtx/do_jump_for_compare pairs.
19889 (do_jump_by_parts_equality): Likewise.
19890 (do_jump_by_parts_equality_rtx): Likewise.
19891 * expr.h (do_compare_rtx_and_jump): Declare.
19892 * optabs.c (prepare_cmp_insn): New function, contains most of the code
19893 that used to be in emit_cmp_insn.
19894 (cmp_available_p): New function.
19895 (prepare_operand): New function.
19896 (emit_cmp_and_jump_insn_1): New function, contains some code that used
19897 to be in emit_cmp_insn.
19898 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
19899 parameters to be pointers; don't emit final compare but modify some of
19900 the values pointed to by the args so the caller can perform the
19901 correct comparison.
19902 (expand_binop): Call emit_store_flag_force with signed forms of
19904 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
19905 emit_jump_insn pair.
19906 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
19907 emit_cmp_and_jump_insn_1. Call emit_queue.
19908 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
19910 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
19911 jump sets cc0 before deleting it.
19912 * integrate.c (expand_inline_function): Likewise.
19913 * unroll.c (unroll_loop): Similar changes in several places.
19914 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
19915 before deleting it.
19917 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19919 * Makefile.in (insn-recog.o): Update dependencies.
19920 * genrecog.c (main): Make generated file include "function.h".
19922 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
19924 * cse.c (cse_insn): Call never_reached_warning when a jump is
19925 changed to be unconditional.
19926 * flags.h: Declare warn_notreached.
19927 * flow.c (delete_block): Call never_reached_warning when
19928 a block is deleted.
19929 * jump.c (delete_barrier_successors): Call never_reached_warning
19930 when we delete everything after a BARRIER.
19931 (never_reached_warning): New function.
19932 * rtl.h: Declare never_reached_warning.
19933 * toplev.c (warn_notreached): New variable.
19934 (lang_independent_options): Set warn_notreached
19935 when -Wunreachable-code.
19936 (compile_file): We need line numbers for -Wunreachable-code.
19938 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
19940 * haifa-sched.c (insn_unit): Fix typo on out of range test.
19941 * sched.c (insn_unit): Likewise.
19943 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
19945 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
19947 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19949 * flow.c (create_edge_list): Use xmalloc, not malloc.
19951 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
19953 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
19954 C-style comments. Do not lose the character before double slash.
19956 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19958 * basic-block.h (struct edge_list): Stucture to maintain a vector
19960 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
19961 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
19962 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
19963 New function prototypes.
19964 * flow.c (create_edge_list): Function to create an edge list.
19965 (free_edge_list): Discards memory used by an edge list.
19966 (print_edge_list): Debug output showing an edge list.
19967 (verify_edge_list): Internal consistency check for an edge list.
19968 (find_edge_index): Function to find an edge index for a pred and succ.
19970 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
19972 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
19975 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
19977 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
19979 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
19981 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
19983 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
19985 * toplev.c (rest_of_compilation): Allow machine dependent
19986 reorganisation pass to place information into the RTL dump
19987 file if it so wishes.
19989 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
19991 * explow.c (hard_function_value): Use VOIDmode instead of
19993 * stmt.c (expand_return): Likewise.
19994 * stor-layout.c (get_best_mode): Likewise.
19996 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
19997 emit call instead of emit_insn call.
19999 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
20001 * configure.in: Handle --disable/enable-win32-registry.
20002 * install.texi: Document --disable/enable-win32-registry.
20003 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
20004 (WIN32_REGISTRY_KEY): New macro.
20005 * prefix.c: Use to enable/disable win32-specific code.
20006 (lookup_key): Use versioned key.
20007 * configure: Regenerate.
20008 * config.in: Likewise.
20010 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
20012 * cpplib.c (read_line_number): New fn, split out of...
20015 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
20017 tree.c (lang_unsave_expr_now) : New.
20018 (unsave_expr_now): Call lang_unsave_expr_now.
20019 tree.h (lang_unsave_expr_now) : New.
20021 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
20023 * toplev.c (flag_new_exceptions): On by default.
20025 1999-08-13 Michael Meissner <meissner@cygnus.com>
20027 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
20029 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20031 * dwarfout.c (fundamental_type_code): Return FT_boolean for
20032 INTEGER_TYPE with precision==1, it's __java_boolean.
20034 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20036 * global.c (prune_preferences): Move some invariants out of the
20039 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
20041 * configure.in (alpha*-dec-osf*): Add osf5.
20043 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
20045 * configure.in: Rework handling of ARM GNU/Linux slightly.
20046 (arm*-*-linux-gnuoldld): New target.
20047 * configure: Regenerate.
20048 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
20049 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
20050 * config/arm/linux-oldld.h: New file.
20051 * config/arm/linux-elf26.h: Don't include linux-elf.h.
20052 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
20054 * config/arm/linux-elf.h (ASM_SPEC): Define.
20055 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
20056 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
20057 for 26-bit APCS and old linker.
20058 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
20060 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
20061 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
20062 don't define `arm' or `arm_elf'.
20063 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
20064 MULTILIB_DIRNAMES): Define. Fix typo in comment.
20066 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
20068 * rtl.texi: Fix typo.
20070 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
20072 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
20074 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
20076 * extend.texi (C++ Signatures): Remove node.
20077 * invoke.texi: Remove discussion of -fhandle-signatures,
20078 signature, sigof, __signature__, and __sigof__.
20080 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
20082 * Makefile.in (JAVAGC): Removed.
20084 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
20086 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
20088 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
20090 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
20092 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
20094 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
20095 a register that is already known to be a pointer.
20097 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
20099 * fixinc/inclhack.tpl: Only install assert.h conditionally.
20100 * fixinc/inclhack.sh: Regenerated.
20101 * fixinc/fixincl.sh: Regenerated.
20103 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
20105 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
20106 Fix documentation of -ansi flag to describe its C++ behavior.
20107 Remove bogus reference to GCC 2.9.
20109 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
20111 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
20112 note if it is non-NULL.
20114 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20116 * except.h (eh_nesting_info): Add new structure defintion.
20117 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
20118 (reachable_handlers, update_rethrow_references): Add function
20120 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
20121 a rethrow symbol instead of an integer exception region number.
20122 * flow.c (Make_edges): Use new exception nesting routines to determine
20123 which handlers are reachable from a CALL or asynchronous insn.
20124 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
20126 (delete_eh_regions): Update rethrow labels, and don't delete
20127 regions which are the target of a rethrow.
20128 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
20129 avoid overloading the SYMBOL_REF_USED flag.
20130 (rethrow_symbol_map): Use new rethrow_ref field.
20131 (rethrow_used): Use new rethrow_ref field.
20132 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
20133 of an integer. Fix formatting.
20134 (output_exception_table_entry): Use new rethrow_ref field.
20135 (can_throw): Check for EH_REGION_NOTE before deciding
20136 whether a CALL can throw or not.
20137 (scan_region): Call rethrow_used() instead of accessing data structure.
20138 (update_rethrow_references): New function to make sure only regions
20139 which are still targets of a rethrow are flagged as such.
20140 (process_nestinfo): New static function to initialize a handler
20141 list for a specific region.
20142 (init_eh_nesting_info): New function to allocate and initialize
20143 the list of all EH handlers reachable from all regions.
20144 (reachable_handlers): New function to retrieve the list of handlers
20145 reachable from a specific region and insn.
20146 (free_eh_nesting_info): New function to dispose of a list of
20147 reachable handlers.
20149 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
20151 * flow.c (split_edge): Set JUMP_LABEL field.
20152 (commit_one_edge_insertion): Set head correctly for insert_before.
20153 When inserting insns, update insn block numbers if allocated.
20155 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20157 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
20158 retry_incomplete_types): Add static prototype.
20159 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
20160 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
20161 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
20162 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
20163 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
20166 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
20167 dwarf2out_start_source_file, dwarf2out_line): Likewise.
20169 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20171 * output.h (assemble_name): Constify a char*.
20173 * varasm.c (UNIQUE_SECTION, assemble_start_function,
20174 assemble_variable, assemble_name): Likewise.
20176 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
20178 * arm/pe.c (arm_pe_unique_section): Likewise.
20180 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
20182 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
20184 * i386/interix.c (i386_pe_unique_section): Likewise.
20186 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
20188 * i386/winnt.c (i386_pe_unique_section): Likewise.
20190 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
20192 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
20194 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
20196 * pa/pa.c (output_call): Likewise.
20198 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
20200 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
20202 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
20205 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
20208 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
20210 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
20211 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
20213 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
20215 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20217 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
20219 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20221 * tree.h (lang_identify): Constify a char*.
20222 (print_error_function): Add extern prototype. Constify a char*.
20224 * c-lang.c (lang_identify): Constify a char*.
20226 * objc/objc-act.c (lang_identify): Constify a char*.
20228 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20230 * genpeep.c (main): Make generated file include "function.h".
20231 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
20233 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20235 * Makefile.in: Update dependencies.
20236 * alias.c: Include "function.h"
20237 * c-decl.c: Likewise.
20238 * caller-save.c: Likewise.
20239 * calls.c: Likewise.
20240 * combine.c: Likewise.
20242 * explow.c: Likewise.
20243 * final.c: Likewise.
20244 * global.c: Likewise.
20245 * graph.c: Likewise.
20246 * local-alloc.c: Likewise.
20247 * loop.c: Likewise.
20248 * optabs.c: Likewise.
20249 * profile.c: Likewise.
20250 * recog.c: Likewise.
20251 * regclass.c: Likewise.
20252 * regmove.c: Likewise.
20253 * reload.c: Likewise.
20254 * reorg.c: Likewise.
20255 * resource.c: Likewise.
20256 * sched.c: Likewise.
20257 * stupid.c: Likewise.
20258 * config/1750a/1750a.c: Likewise.
20259 * config/a29k/a29k.c: Likewise.
20260 * config/arc/arc.c: Likewise.
20261 * config/arm/arm.c: Likewise.
20262 * config/arm/thumb.c: Likewise.
20263 * config/c4x/c4x.c: Likewise.
20264 * config/clipper/clipper.c: Likewise.
20265 * config/convex/convex.c: Likewise.
20266 * config/fx80/fx80.c: Likewise.
20267 * config/i860/i860.c: Likewise.
20268 * config/m68k/m68k.c: Likewise.
20269 * config/m88k/m88k.c: Likewise.
20270 * config/mips/mips.c: Likewise.
20271 * config/pdp11/pdp11.c: Likewise.
20272 * config/pyr/pyr.c: Likewise.
20273 * config/romp/romp.c: Likewise.
20274 * config/sh/sh.c: Likewise.
20275 * config/tahoe/tahoe.c: Likewise.
20276 * config/vax/vax.c: Likewise.
20277 * config/we32k/we32k.c: Likewise.
20278 * config/sparc/sparc.c: Include "function.h".
20279 (mem_min_alignment): Test current_function rather than
20280 regno_pointer_align.
20281 * config/pa/pa.c: Likewise.
20282 (compute_frame_size): Delete declaration of
20283 current_function_outgoing_args_size.
20284 * config/arc/arc.h (current_function_varargs): Delete declaration.
20285 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
20287 * config/i370/i370.h (current_function_outgoing_args_size): Delete
20289 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
20290 current_function_uses_pic_offset_table.
20291 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
20292 of current_function_returns_pointer.
20293 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20294 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20295 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20296 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20297 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20298 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
20299 * config/m88k/m88k.c: Include "function.h"
20300 (call_used_regs, current_function_pretend_args_size,
20301 current_function_outgoing_args_size, frame_pointer_needed): Delete
20303 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
20305 * config/mips/mips.h (current_function_calls_alloca): Delete
20307 * config/mn10200/mn10200.h (current_function_needs_context,
20308 rtx_equal_function_value_matters): Delete declarations.
20309 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
20310 flag_pic): Delete declarations.
20311 * config/pa/pa.h (current_function_pretend_args_size,
20312 current_function_decl): Delete declarations.
20313 * config/pa/som.h (current_function_varargs): Delete declaration.
20314 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
20316 * config/pyr/pyr.h (current_function_pretend_args_size,
20317 current_function_args_size, current_function_calls_alloca): Delete
20319 * config/sh/sh.h (current_function_varargs): Delete declaration.
20320 * config/sparc/sparc.h (current_function_outgoing_args_size,
20321 current_function_calls_alloca, current_function_decl): Delete
20323 * config/spur/spur.h (current_function_pretend_args_size,
20324 current_function_calls_alloca): Delete declarations.
20325 * config/v850/v850.c (current_function_outgoing_args_size): Delete
20327 * config/vax/vms.h (current_function_name): Delete declaration.
20328 * gcse.c: Include "function.h".
20329 (current_function_name, current_function_calls_setjmp): Delete
20331 * haifa-sched.c: Include "function.h".
20332 (forced_labels): Delete declaration.
20333 * jump.c: Likewise.
20334 * reg-stack.c: Likewise.
20335 * reload1.c: Likewise.
20336 * genemit.c (main): Make generated file include function.h.
20337 * genoutput.c (output_prologue): Likewise.
20339 * builtins.c (saveregs_value, apply_args_value): Delete variables.
20340 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
20341 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
20342 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
20343 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
20344 macros for some of them.
20345 (emit_filename, emit_lineno): Delete declarations.
20346 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
20347 regno_pointer_* variables through current_function.
20348 (gen_inline_header_rtx): Delete function.
20349 (save_emit_status): Delete function.
20350 (set_new_last_label_num): New function.
20351 (clear_emit_caches): New function.
20352 (restore_emit_status): Just clear last_labelnum and call
20354 (get_last_insn_anywhere): Variable sequence_stack is now accessed
20355 through macro seq_stack.
20356 (add_insn_after): Likewise.
20357 (add_insn_before): Likewise.
20358 (remove_insn): Likewise.
20359 (pop_topmost_sequence): Likewise.
20360 (in_sequence_p): Likewise.
20361 (start_sequence_for_rtl_expr): Likewise.
20362 (start_sequence): Likewise, and likewise for
20363 sequence_rtl_expr/seq_rtl_expr.
20364 (push_topmost_sequence): Likewise.
20365 (end_sequence): Likewise.
20366 (init_virtual_regs): Now takes a "struct emit_status *" argument.
20367 All callers changed. Store into that pointer instead of globals.
20368 (init_emit): Allocate emit elt of current_function.
20369 Changes for sequence_rtl_expr/sequence_stack renaming.
20370 Call clear_emit_caches instead of doing it in-line.
20371 Access regno_pointer_* variables through current_function.
20372 (init_emit_once) Don't clear sequence_stack.
20374 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
20376 (arg_pointer_save_area): Delete declaration.
20377 (finish_expr_for_function): Renamed from init_queue; no longer static.
20378 (init_expr): Don't call init_queue.
20379 (save_expr_status, restore_expr_status): Delete functions.
20380 (expand_expr): Changes to reflect new layout of struct function.
20381 Don't access current_function_check_memory_usage when current_function
20383 * expr.h (forced_labels, save_expr_regs, saveregs_value,
20384 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
20385 current_function_outgoing_args_size, current_function_arg_offset_rtx,
20386 current_function_uses_const_pool, function_call_count,
20387 current_function_uses_pic_offset_table, nonlocal_labels,
20388 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
20389 current_function_check_memory_usage, nonlocal_goto_handler_slots,
20390 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
20392 (finish_expr_for_function): Declare.
20393 * flags.h (current_function_has_nonlocal_label,
20394 current_function_has_nonlocal_goto, current_function_is_thunk,
20395 current_function_has_computed_jump): Delete declarations.
20396 * flow.c (forced_labels): Delete declaration.
20397 * function.c (current_function_pops_args,
20398 current_function_returns_struct, current_function_returns_pcc_struct,
20399 current_function_needs_context, current_function_calls_setjmp,
20400 current_function_calls_longjmp, current_function_has_nonlocal_label,
20401 current_function_has_nonlocal_goto, current_function_is_thunk,
20402 current_function_has_computed_jump, current_function_calls_alloca,
20403 current_function_contains_functions, current_function_returns_pointer,
20404 current_function_epilogue_delay_list, current_function_args_size,
20405 current_function_pretend_args_size, current_function_arg_offset_rtx,
20406 current_function_outgoing_args_size, current_function_varargs,
20407 current_function_stdarg, current_function_args_info, cleanup_label,
20408 current_function_name, current_function_uses_const_pool,
20409 current_function_instrument_entry_exit, current_function_return_rtx,
20410 current_function_uses_pic_offset_table, nonlocal_labels,
20411 current_function_internal_arg_pointer, current_function_cannot_inline,
20412 current_function_check_memory_usage, function_call_count,
20413 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
20414 nonlocal_goto_stack_level, return_label, save_expr_regs,
20415 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
20416 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
20417 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
20418 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
20419 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
20421 (push_function_context_to): Don't save them. Don't call
20422 save_storage_status, save_emit_status or save_expr_status.
20423 (pop_function_context_from): Don't restore them. Don't call
20424 restore_storage_status or restore_expr_status.
20425 (get_func_frame_size): New function.
20426 (get_frame_size): Use it.
20427 (assign_outer_stack_local): Reflect some member name changes in struct
20429 (put_reg_into_stack): Likewise.
20430 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
20432 (fixup_var_refs): Likewise.
20433 (fix_lexical_addr): Likewise.
20434 (trampoline_address): Likewise.
20435 (prepare_function_start): Clear field inlinable of current_function.
20436 (init_function_for_compilation): New function.
20437 (expand_dummy_function_end): New function.
20438 (expand_function_end): Call finish_expr_for_function.
20439 * function.h (struct emit_status): New; fields moved here from struct
20440 function and from global variables. Add accessor macros for some of
20442 (struct expr_status): Likewise.
20443 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
20444 (struct function): Add fields expr and emit, inlinable, inl_emit,
20445 original_arg_vector, original_decl_initial, inl_last_parm_insn,
20446 inl_max_label_num. Add many comments.
20447 Add accessor macros for all elts of struct function that no longer
20448 have a global variable.
20449 (cleanup_label, return_label, frame_offset, tail_recursion_label,
20450 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
20451 stack_slot_list): Delete declarations.
20452 (get_func_frame_size): Declare.
20453 (save_expr_status, restore_expr_status, save_emit_status,
20454 save_storage_status, restore_storage_status): Delete declarations.
20455 (init_virtual_regs): Declare.
20456 * output.h (current_function_pops_args,
20457 current_function_returns_struct, current_function_returns_pcc_struct,
20458 current_function_needs_context, current_function_calls_setjmp,
20459 current_function_calls_longjmp, current_function_calls_alloca,
20460 current_function_has_nonlocal_label, current_function_varargs,
20461 current_function_has_computed_jump, current_function_returns_pointer,
20462 current_function_contains_functions, current_function_args_size,
20463 current_function_pretend_args_size, current_function_stdarg,
20464 current_function_outgoing_args_size, current_function_args_info,
20465 current_function_name, current_function_return_rtx,
20466 current_function_epilogue_delay_list,
20467 current_function_uses_const_pool, current_function_cannot_inline):
20468 Delete declarations.
20469 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
20470 regno_reg_rtx): Delete declaration.
20471 (REGNO_POINTER_FLAG): Delete macro.
20472 * stmt.c (expand_goto): Changes to reflect that some fields in struct
20473 function were renamed.
20474 * stor-layout.c (save_storage_status, restore_storage_status): Delete
20476 * toplev.c: Include "function.h".
20477 (current_function_decl): Delete declaration.
20478 (compile_file): Call init_dummy_function_start and
20479 expand_dummy_function_end around some initializations that need to
20481 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
20482 Call init_function_for_compilation.
20483 * unroll.c: Include "function.h"
20484 (unroll_loop): Access regno_pointer_* variables through
20487 * tree.h (struct tree_decl): Add elt f to saved_insns member.
20488 (DECL_SAVED_INSNS): use it.
20489 (expand_dummy_function_end): Declare.
20490 (init_function_for_compilation): Declare.
20491 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
20492 that it's no longer an INLINE_HEADER.
20493 (expand_call): Likewise.
20494 * integrate.c (finish_inline): Delete function.
20495 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
20496 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
20497 args. Don't generate an INLINE_HEADER rtx, just return the arg
20498 vector. All callers changed.
20499 (save_for_inline_copying): Create a duplicate struct emit_status to
20500 hold the emit state for compiling the current function. Use this and
20501 the other new fields in struct function that are for integration
20502 instead of an INLINE_HEADER.
20503 Use memcpy instead of bcopy.
20504 Store the current struct function in DECL_SAVED_INSNS of fndecl.
20505 (save_for_inline_nocopy): Similar changes, except no new emit_status
20507 (expand_inline_function): Get information from function structure,
20508 not from an inline header rtx.
20509 (output_inline_function): Lose code to extract the necessary
20510 information from an inline header; simply put back the function
20511 structure into current_function. Clear its inlinable elt.
20512 * rtl.def (INLINE_HEADER): Delete.
20513 * rtl.h: Delete all accessors for an INLINE_HEADER.
20514 (gen_inline_header_rtx): Delete declaration.
20515 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
20516 Delete declarations.
20517 (REGNO_POINTER_ALIGN): Delete.
20518 (clear_emit_caches): Declare.
20519 (set_new_last_label_num): Declare.
20521 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
20523 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
20525 * except.c (expand_eh_region_start_for_decl): Always start a new block.
20526 * stmt.c (is_eh_region): Make sure current_function is present, too.
20528 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
20530 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
20531 for 64bit PA targets.
20533 * pa.h (SELECT_SECTION): Define.
20534 * som.h (SELECT_SECTION): Delete.
20536 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20538 * alias.c (init_alias_analysis): Wrap call to
20539 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
20541 1999-08-07 Bruce Korb <autogen@linuxbox.com>
20543 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
20544 <sys/asm.h> contains an asm comment with an apostrophe
20545 * fixinc/inclhack.sh: regen
20546 * fixinc/fixincl.x: regen
20548 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
20550 * function.c (init_function_start): Clear prologue & epilogue.
20551 (prologue_epilogue_contains): New function.
20552 * alias.c (init_alias_analysis): Use it.
20553 * rtl.h (prologue_epilogue_contains): Declare it.
20555 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
20557 * jump.c (onlyjump_p): New function.
20558 * rtl.h: Declare it.
20559 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
20560 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
20562 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
20564 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
20565 to invert loops. Simplify block scanning.
20567 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20569 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
20570 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
20572 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
20574 * config/sparc/liteelf.h: New file to support sparclite-elf target
20575 * config/sparc/t-sp86x: New file to support sparc86x targets
20576 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
20577 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
20578 * configure.in: Support above target triplets
20579 * configure: Regenerated
20581 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
20583 * fixinc/server.c (server_setup): Do not prefix function used as
20584 parameter with `&'.
20586 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
20588 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
20589 Remove fp reg alternatives.
20591 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
20593 * Makefiin (TAROUTOPTS): Kill.
20594 (install-headers-tar): Use "xpf" for tar headerfile extraction
20595 * i370/x-oe (TAROUTOPTS): Delete.
20596 * m68k/x-apollo68 (TAROUTOPTS): Delete.
20597 * m68k/x-hp320 (TAROUTOPTS): Delete.
20598 * m68k/x-hp320g (TAROUTOPTS): Delete.
20599 * gcc.texi: Update bug reporting text.
20601 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
20603 * reg-stack.c (change_stack) Fixed problem with negative array index.
20605 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
20607 * extend.texi, install.texi: Fix spelling mistakes.
20609 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
20610 (s-attrtab); No longer try to use pre-made insn-attrtab file.
20611 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
20612 PREMADE_ATTRTAB_MD.
20613 * mips/t-ecoff: Likewise.
20614 * mips/t-elf: Likewise.
20615 * mips/t-mips: Likewise.
20616 * mips/t-osfrose: Likewise.
20617 * mips/t-r3900: Likewise.
20618 * mips/t-svr3: Likewise.
20619 * mips/t-svr4: Likewise.
20620 * mips/t-ultrix: Likewise.
20622 * gcc.texi: Document recommend means to provide software floating
20623 point libraries in libgcc.a
20625 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
20627 * c-lex.c (yylex): We can have a number with no digits.
20629 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
20631 * jump.c (delete_prior_computation): New function, broken
20632 out of delete_computation. Check for side effects with
20633 side_effects_p instead of FIND_REG_INC_NOTE. Handle
20634 multi-word hard registers.
20635 (delete_computation): Use it. Check for side effects with
20636 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
20637 missing REG_DEAD note for a register which is both set and
20640 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
20642 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
20643 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
20644 (ASM_FILE_START): Import _mcount with the right type.
20645 (ASM_DECLARE_FUNCTION_NAME): Define.
20646 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
20647 * pa.c (output_function_prologue): Always emit the function's label
20649 * pa.h (TEXT_SPACE_P): Define.
20650 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
20651 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
20652 * som.h (TEXT_SPACE_P): Delete.
20653 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
20654 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
20656 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
20658 * expr.c (emit_group_load): Allow src to be a CONCAT.
20660 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20662 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
20663 (___mulsi3): Use '!' comment character.
20665 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20667 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
20669 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
20671 * gcc.c: Update URLs and mail addresses.
20672 * gcc.texi: Likewise.
20674 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
20676 * rs6000.c (current_file_function_operand): Return zero for
20678 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
20680 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
20683 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
20685 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
20686 allocate space in the stack frame for the PIC register.
20688 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
20690 * m68k.md (xordi3, anddi3): These patterns are not available on
20693 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
20695 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
20696 (PUT_REAL): Likewise.
20698 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20700 * final.c (shorten_branches): Don't add an alignment for loops
20701 that have no label inside.
20703 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20705 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
20706 prototypes in macro HAVE_cmpstrsi.
20708 * cpplib.c (cpp_get_token): Remove unused label `op3'.
20710 * emit-rtl.c (operand_subword): Remove unused variable
20713 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
20715 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
20717 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
20719 * cpphash.c (macroexpand): Delete leading whitespace when arg
20720 is concatenated before.
20721 (unsafe_chars): Correct test for whether + and - can extend a
20724 * cppinit.c (cpp_start_read): Do dependencies for
20725 -include/-imacros files also.
20727 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
20728 tokenizing non-directive lines.
20729 (cpp_expand_to_buffer): Temporarily disable no-output mode.
20730 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
20733 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
20735 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
20737 * c-lex.c: Sync with C++ frontend.
20738 (linemode): New variable.
20739 (parse_float): imag, conversion_errno, and type are output only.
20740 (yylex): Adjust. Move initial '.' case into main switch.
20742 (handle_generic_pragma): Just deal with tokens.
20743 (readescape): Use ISXDIGIT and ISGRAPH.
20744 * c-parse.in: Add END_OF_LINE token.
20746 * c-lex.c (lang_init): Generalize.
20747 (nextchar): Remove. Replace uses with UNGETC.
20748 (skip_white_space): Handle linemode here. Optimize for cpplib.
20749 (skip_white_space_on_line): Remove.
20750 (extend_token_buffer_to): New fn.
20751 (extend_token_buffer): Use it.
20752 (read_line_number, check_newline): Just deal with tokens.
20753 (token_getch, token_put_back): New fns.
20754 (yylex): Use them. More cpplib optimizations. Simplify.
20756 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
20757 Jason Merrill <jason@yorick.cygnus.com>
20759 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
20760 (consume_string): Make this smart about USE_CPPLIB.
20761 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
20762 (yylex): Rewrite to be intelligent about USE_CPPLIB.
20763 Also, clean up cases where we redundantly set token_buffer[0].
20764 (read_line_number): New fn.
20765 (ignore_escape_flag): New variable.
20767 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
20769 * a29k/t-a29kbare: Fix some comments.
20770 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
20771 (FPBIT, DPBIT): Define.
20772 * a29k/t-vx29k: Likewise.
20773 * arc/t-arc: Likewise.
20774 * arm/t-arm-elf: Likewise.
20775 * arm/t-bare: Likewise.
20776 * arm/t-pe: Likewise.
20777 * arm/t-pe-thumb: Likewise.
20778 * arm/t-semi: Likewise.
20779 * arm/t-thumb: Likewise.
20780 * arm/t-thumb-elf: Likewise.
20781 * arm/t-thumb-linux: Likewise.
20782 * h8300/t-h8300: Likewise.
20783 * i960/t-i960: Likewise.
20784 * i960/t-vxworks960: Likewise.
20785 * m32r/t-m32r: Likewise.
20786 * mips/t-ecoff: Likewise.
20787 * mips/t-elf: Likewise.
20788 * mips/t-r3900: Likewise.
20789 * pa/t-pro: Likewise.
20790 * rs6000/t-aix43: Likewise.
20791 * rs6000/t-beos: Likewise.
20792 * rs6000/t-newas: Likewise.
20793 * rs6000/t-ppccomm: Likewise.
20794 * rs6000/t-rs6000: Likewise.
20795 * rs6000/t-winnt: Likewise.
20796 * rs6000/t-xnewas: Likewise.
20797 * rs6000/t-xrs6000: Likewise.
20798 * sh/t-sh: Likewise.
20799 * sparc/t-elf: Likewise.
20800 * sparc/t-sparcbare: Likewise.
20801 * sparc/t-sparclite: Likewise.
20802 * sparc/t-splet: Likewise.
20803 * v850/t-v850: Likewise.
20804 * mn10200/t-mn10200: Fix comments.
20805 * mn10300/t-mn10300: Likewise.
20807 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
20808 dummy operand. Allocate a new pseudo for the dummy operand.
20809 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
20811 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
20813 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
20815 * configure: Rebuilt.
20816 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
20818 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
20820 * recog.c (preproces_constraints): Zero recog_op_alt before
20821 processing the constraints.
20823 * arm.c (typedef minipool_node): Renamed from pool_node.
20824 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
20825 (add_minipool_constant): New function.
20826 (dump_minipool): New function.
20827 (find_barrier): Remove special case for getting the insn size of
20828 an insn that references the constant pool.
20829 (minipool_fixup): New structure.
20830 (push_minipool_barrier): New function.
20831 (push_minipool_fix): New function.
20832 (note_invalid_constants): New function.
20833 (add_pool_constant, dump_table, fixit, broken_move): Delete.
20834 (arm_reorg): Rewrite code to fix up the constant pool into a
20835 series of mini-pools embedded in the insn stream.
20836 (arm_output_epilogue): New function, made mainly from the body
20837 of output_func_epilogue.
20838 (output_func_epilogue): Move insn generation part of epilogue code
20839 to arm_output_epilogue.
20840 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
20841 * arm.md (pool_range): New attribute.
20842 (zero_extendqidi2): Add attribute pool_range.
20843 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
20844 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
20845 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
20846 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
20847 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
20848 (epilogue): New expand.
20849 (epilogue_insn): New insn. Call arm_output_epilogue.
20851 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
20852 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
20854 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
20856 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
20858 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
20860 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
20862 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
20864 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
20866 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
20868 * global.c: Fix comment.
20870 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
20872 * gcc.c (access_check): New static function.
20873 (find_a_file): Use it when searching a directory list.
20874 * collect2.c (find_a_file): Don't accept directories found when
20875 searching a directory list.
20877 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
20879 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
20880 function parameters with `&'.
20881 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
20883 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
20885 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
20886 or tidy_fallthru_edge if the last insn in the block is not
20887 an unconditional jump or a simple conditional jump.
20889 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20891 * Makefile.in (c-decl.o): Depends on defaults.h.
20893 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
20895 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
20897 (CLASS_MAX_NREGS): Likewise.
20899 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
20901 * cse.c (cse_insn): Fix dumb thinko in last change.
20903 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20905 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
20908 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
20910 * dwarf2out.c (add_location_or_const_value_attribute): Correct
20911 test for sizes of passed and declared parameter types.
20913 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20915 * fixincludes: Fix the return type of bsearch, char* -> void*.
20917 * fixinc/inclhack.def: Likewise.
20919 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
20921 * invoke.texi (-fdump-translation-unit): New option.
20923 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
20925 * expr.h (PROMOTE_PROTOTYPES): Move ...
20926 * defaults.h: ... to here.
20927 * c-decl.c: Include defaults.h instead of expr.h.
20928 * c-typeck.c: Include defaults.h.
20930 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
20932 * toplev.h (errorcount): Declare.
20933 (warningcount): Likewise.
20934 (sorrycount): Likewise.
20935 * c-lex.c (errorcount): Don't declare.
20936 * dwarf2out.c (errorcount): Don't declare.
20938 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
20940 * config/libgloss.h: Add a note discouraging use with ELF.
20941 * configure.in: Don't use libgloss.h for ELF targets.
20942 Always use_collect2 on a.out targets.
20944 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
20946 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
20947 (force_to_mode, case ASHIFTRT): Add shiftrt label.
20949 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20951 * loop.c (strength_reduce): When doing biv->giv conversion, update
20952 reg note of NEXT->insn.
20954 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20956 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
20958 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
20960 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
20961 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
20962 Ensure expr.h is included.
20963 * c-typecheck.c (convert_arguments): Ditto.
20965 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
20967 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
20968 * config/convex/convex.h: Ditto.
20969 * config/dsp16xx/dsp16xx.h: Ditto.
20970 * config/fx80/fx80.h: Ditto.
20971 * config/gmicro/gmicro.h: Ditto.
20972 * config/i370/i370.h: Ditto.
20973 * config/i386/i386.h: Ditto.
20974 * config/m32r/m32r.h: Ditto.
20975 * config/m68k/m68k.h: Ditto.
20976 * config/m88k/m88k.h: Ditto.
20977 * config/mips/mips.h: Ditto.
20978 * config/pa/pa.h: Ditto.
20979 * config/pyr/pyr.h: Ditto.
20980 * config/tahoe/tahoe.h: Ditto.
20981 * config/we32k/we32k.h: Ditto.
20983 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
20984 based on arch size.
20986 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
20988 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
20991 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
20993 1999-08-02 Richard Henderson <rth@cygnus.com>
20995 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
20996 for the register spill block.
20997 (m32r_va_arg): New.
20998 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
20999 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
21001 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
21002 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
21003 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
21005 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21007 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
21008 MAX_WCHAR_TYPE defined in sparc.h.
21009 * config/sparc/linuxaout.h: Likewise.
21010 * config/sparc/linux64.h: Likewise.
21011 Also default to -mvis if CPU is UltraSPARC.
21013 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21015 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
21016 (RTX_OK_FOR_OLO10): Likewise.
21017 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
21018 %lo(), allow it in addresses...
21019 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
21020 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
21021 does not make sense.
21022 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
21023 (sparc_output_scratch_registers): New function.
21024 (output_function_prologue, sparc_flat_output_function_prologue): Use
21026 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
21028 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
21029 * configure.in: Add check for .register pseudo-op support in as and
21030 check for offsetable %lo().
21031 * acconfig.h: Add templates for the above checks.
21032 * configure: Regenerate.
21034 1999-08-02 Richard Henderson <rth@cygnus.com>
21036 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
21037 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
21038 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
21040 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21042 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
21045 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
21047 * config/float-sparc.h: New file.
21048 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
21049 sparc-*-linux-gnu and sparc64-*-linux*.
21051 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21053 * rs6000.c (rs6000_va_list): Type is an array.
21054 (rs6000_va_start): Don't doubly adjust for varargs.
21055 (rs6000_va_arg): Evaluate long long GPR adjustment.
21057 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
21059 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
21060 -maix64 and -maix32.
21061 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
21062 LINK_SPEC): Change appropriately.
21063 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
21064 (u_short_cint_operand): Likewise.
21065 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
21067 * rs6000/t-aix43 (MULTILIB): Change to -m64.
21069 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
21071 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
21073 * rs6000/rs6000.c (num_insns_constant_wide): Correct
21074 for type promotion.
21075 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
21076 (non_add_cint_operand): Likewise.
21077 (logical_operand): Likewise.
21078 (non_logical_cint_operand): Likewise.
21079 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
21080 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
21081 (rs6000_select_rtx_section): Suppress warning.
21082 (small_data_operand): Suppress warning.
21083 (rs6000_got_register): Suppress warning.
21084 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
21085 type, so `J' is generally the wrong constraint for a SImode value;
21087 (andsi3_internal2): Likewise.
21088 (andsi3_internal3): Likewise.
21089 (iorsi3_internal1): Likewise.
21090 (xorsi3_internal1): Likewise.
21092 (movsf_softfloat): Likewise.
21093 (scc insns): Likewise.
21094 (movsi+2): Preserve sign bits of SImode constant.
21095 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
21096 (movdf+1): Sign-extend properly.
21097 (movdi_32+1): Sign-extend properly.
21098 (scc insns): Sign-extend properly.
21100 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
21103 1999-08-02 Richard Henderson <rth@cygnus.com>
21105 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
21106 -mcpu parsing code.
21107 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
21108 * alpha.md (all fp insns): Likewise.
21110 1999-08-02 Nick Clifton <nickc@cygnus.com>
21112 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
21115 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
21117 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
21118 pic_load_label generator directly.
21119 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
21120 No longer a named pattern.
21122 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
21124 * explow.c (force_reg): Call force_operand if X does not
21125 satisfy general_operand.
21127 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
21129 * fix-header.c (main): When testing for CONTINUED, use string
21130 equality, not pointer equality.
21132 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
21134 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
21136 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
21138 * cse.c (cse_insn): Fix loop which deletes insns after a jump
21139 that has become an unconditional jump.
21141 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
21142 (output_function_epilogue): Similarly.
21144 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21146 * tree.h (init_dummy_function_start): Declare.
21148 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21150 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
21151 last_expr_type, last_expr_value, block_start_count, block_stack,
21152 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
21153 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
21154 dynamically in stmt elt of struct function for each function.
21155 (struct nesting): Rename function_call_count elt to n_function_calls,
21156 target_temp_slot_level to block_target_temp_slot_level. All users
21158 (struct stmt_status): New structure definition.
21159 Add many accessor macros for stmt_status elements which previously
21160 were global variables.
21161 (init_stmt_for_function): Allocate stmt elt for current_function.
21162 Reflect that block_start_count was renamed to
21163 current_block_start_count.
21164 (save_stmt_status, restore_stmt_status): Delete functions.
21165 (preserve_subexpressions_p): Don't access loop_stack when outside
21167 (expand_start_bindings): Reflect that block_start_count was renamed to
21168 current_block_start_count.
21169 (expand_fixup): Likewise.
21170 (expand_decl): Don't access block_stack when outside a function.
21171 (expand_decl_cleanup): Likewise.
21172 (expand_dcc_cleanup): Likewise.
21173 (expand_dhc_cleanup): Likewise.
21174 (expand_anon_union_decl): Likewise.
21175 (set_file_and_line_for_stmt): New function.
21176 (in_control_zone_p): New function.
21178 * function.h (struct function): Add new elt stmt.
21179 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
21180 case_stack, nesting_stack, nesting_depth, block_start_count,
21181 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
21182 emit_lineno, goto_fixup_chain.
21183 (save_eh_status, restore_eh_status, save_stmt_status,
21184 restore_stmt_status): Delete declarations.
21185 * function.c (push_function_context_to): Don't call save_stmt_status.
21186 (pop_function_context_to): Don't call restore_stmt_status.
21187 * tree.h (in_control_zone_p): Declare.
21188 * rtl.h (set_file_and_line_for_stmt): Declare.
21190 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
21191 call set_file_and_line_for_stmt.
21193 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
21195 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
21196 Also update copyright.
21198 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21200 * c-pragma.c: Don't include "except.h".
21201 * emit-rtl.c: Likewise.
21202 * stor-layout.c: Likewise.
21203 * tree.c: Likewise.
21204 * varasm.c: Likewise.
21206 * flow.c: Include "function.h".
21207 * tree.h (init_dummy_function_start): Declare new function.
21209 * except.h (struct eh_status): New structure.
21210 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
21212 (eh_return_stub_label, ehstack, catchstack, ehqueue,
21213 catch_clauses, false_label_stack, caught_return_label_stack,
21214 protect_list, current_function_ehc): Add accessor macros for the
21215 corresponding fields in current_function->eh; delete declarations
21216 for all items that used to be declared here.
21217 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
21218 catch_clauses, false_label_stack, caught_return_label_stack,
21219 protect_list, current_function_ehc): Delete variables.
21220 (init_eh_for_function): Allocate current_function->eh.
21221 (save_eh_status, restore_eh_status): Delete functions.
21223 * function.h (struct function): Add fields next_global and eh.
21224 Delete all exception handling related fields.
21225 * function.c (current_function): New variable.
21226 (all_functions): New variable.
21227 (push_function_context_to): Don't allocate a struct function,
21228 use current_function instead. Call init_dummy_function_start when
21229 outside a function. Clear current_function before returning.
21230 (pop_function_context_from): Restore current_function.
21231 Don't free the restored struct function.
21232 (prepare_function_start): New function.
21233 (init_dummy_function_start): New function.
21234 (init_function_start): Break out some code into prepare_function_start
21237 * stmt.c (save_stmt_status): Don't call save_eh_status.
21238 (restore_stmt_status): Don't call restore_eh_status.
21240 * Makefile.in: Update dependencies.
21242 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
21244 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
21245 of depending on a magic constant value. Update comments.
21246 (hppa_expand_prologue): Similarly.
21248 * pa.md (reload_indi, reload_outdi): Allow any register for the
21249 original reload register.
21251 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
21253 * cccp.c (print_help): Change marcos to macros.
21255 1999-07-30 Richard Henderson <rth@cygnus.com>
21257 * c-typeck.c (initializer_constant_valid_p): Move ...
21258 * c-common.c (initializer_constant_valid_p): ... here. Use
21259 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
21260 of label addresses.
21261 * c-common.h (initializer_constant_valid_p): Declare.
21262 * c-tree.h (initializer_constant_valid_p): Remove.
21264 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
21266 * config/i386/sol2-c1.asm: Align the stack.
21267 * config/i386/sol2-gc1.asm: Likewise.
21269 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
21271 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
21272 -Asparclite for sparc86x.
21273 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
21275 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
21277 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
21279 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
21280 the user if using the non-default arch size in BI_ARCH configuration.
21281 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
21283 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
21284 Fix patterns so that they actually match.
21285 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
21286 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
21287 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
21289 (mulsidi3): Reflect this in the expand.
21290 (smulsi3_highpart): Only on TARGET_ARCH32.
21291 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
21292 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
21293 (umulsidi3): Reflect this in the expand.
21294 (umulsi3_highpart): Only on TARGET_ARCH32.
21295 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
21296 don't require g0 to be zero.
21297 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
21298 ({,u}divsi3): New expands.
21299 ({,u}divsi3_sp64): New patterns.
21300 (after lshrdi3_v8plus): Four new patterns to help combiner
21301 optimizing nested mixed mode shifts.
21303 * config/sparc/sparc.c (sparc_override_options): Use deprecated
21304 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
21305 speed things up. Don't use them by default on plain v9 in 64bit
21306 mode, according to what SPAMv9 sais.
21308 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
21309 top 32 bits of %[og][0-7] in signal handlers.
21310 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
21312 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
21314 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
21315 (ashlsi3): Corresponding changes.
21317 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
21319 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
21321 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
21323 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21325 * arm.h (Hint): Delete macro.
21326 Substitute HOST_WIDE_INT for Hint in some prototypes.
21327 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
21329 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
21331 * builtins.c (expand_builtin_setjmp): Use force_operand to
21332 make sure that the buffer address is in a suitable form to be
21333 passed to force_reg.
21335 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
21337 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
21340 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
21342 * pa.md (indirect_jump): Remove mode from match_operand. Verify
21343 proper mode in the condition string.
21344 (icacheflush, dcacheflush): Remove modes from match_operands.
21346 * pa.c (emit_move_sequence): Always convert scratch_reg to the
21347 proper mode before using it.
21349 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
21352 * pa.c (store_reg): Do not call add_high_const generator directly.
21353 (load_reg, set_reg_plus_d): Likewise.
21354 * pa.md (add_high_const): No longer a named pattern.
21356 * pa.c (legitimize_address): Consistently use Pmode rather than
21357 SImode. Do not call gen_pic2_highpart directly anymore.
21358 * pa.md (pic2_highpart): No longer a named pattern.
21359 (pic2_lo_sum): Similarly. Reformat to make more readable.
21361 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
21366 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21368 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
21370 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
21372 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
21373 and tag the spill mems.
21374 (hppa_va_start): New.
21375 (hppa_va_arg): New.
21376 * pa.h (EXPAND_BUILTIN_VA_START): New.
21377 (EXPAND_BUILTIN_VA_ARG): New.
21379 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
21381 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
21382 and tag the spill mems.
21383 (mn10300_va_start): New.
21384 (mn10300_va_arg): New.
21385 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
21386 (EXPAND_BUILTIN_VA_ARG): New.
21388 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
21390 * mn10200.c (mn10200_va_arg): New.
21391 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
21393 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
21395 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
21396 rather than play with TREE_INT_CST_LOW.
21398 1999-07-27 Philip Blundell <pb@nexus.co.uk>
21400 * config/arm/telf.h: Include dbxelf.h.
21401 (CPP_PREDEFINES): Only define if not already defined.
21402 (ASM_IDENTIFY_GCC): Likewise.
21403 (SUBTARGET_EXTRA_SECTIONS): Likewise.
21404 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
21405 * config/arm/thumb.h (LINK_SPEC): Only define if not already
21407 (DBX_DEBUGGING_INFO): Don't define.
21408 * config/arm/linux-telf.h: New file.
21409 * config/arm/linux-tgas.h: New file.
21410 * config/arm/t-thumb-linux: New file.
21411 * config/arm/uclinux-elf.h: New file.
21412 * config/arm/uclinux-telf.h: New file.
21413 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
21414 thumb-*-uclinux): New targets.
21415 * configure: Regenerate.
21417 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
21419 * pa.md (post_store, pre_load): New expanders.
21420 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
21421 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
21422 need to directly generate RTL for them.
21423 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
21426 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
21428 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
21429 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
21430 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
21431 (secndary_reload_class): Make TARGET_ELF conditional compile.
21432 (print_operand_address): Similar.
21433 (output_toc): Print all values as hex.
21434 (get_issue_rate): Rearrange and add RS64A and PPC630.
21435 * rs6000.h (processor_type): Add RS64A and PPC630.
21436 (PROCESSOR_POWERPC64): New.
21437 (PROMOTE_MODE): Use word_mode.
21438 (RTX_COSTS): Add RS64A and PPC630.
21439 * rs6000.md (scheduling information): Add lmul and ldiv
21440 representing 64-bit integer multiply and divide. Add rs64a and
21441 PPC630 information.
21442 (ashldi3): Add support for "rldic" instruction.
21443 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
21445 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
21447 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
21448 instead of V8 for sparclite86x in cpu_table.
21450 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21452 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
21453 output_file_directive.
21455 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
21457 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
21458 tree for op1, not the rtl.
21460 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
21462 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
21463 to m88k_va_start, leaving only the register spill.
21464 (m88k_build_va_list): New.
21465 (m88k_va_start): New.
21466 (m88k_va_arg): New.
21467 * m88k.h (BUILD_VA_LIST_TYPE): New.
21468 (EXPAND_BUILTIN_VA_START): New.
21469 (EXPAND_BUILTIN_VA_ARG): New.
21471 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
21473 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
21474 Rename from expand_builtin_saveregs.
21475 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
21477 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
21479 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
21480 for the register spill block.
21481 (i960_build_va_list): New.
21482 (i960_va_start): New.
21483 (i960_va_arg): New.
21484 * i960.h (BUILD_VA_LIST_TYPE): New.
21485 (EXPAND_BUILTIN_VA_START): New.
21486 (EXPAND_BUILTIN_VA_ARG): New.
21487 * i960.md (store_multiple): Use change_address on individul mems.
21489 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
21491 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
21493 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
21494 (expand_builtin_va_end): Evaluate arg for side effects.
21495 * c-common.c (c_common_nodes_and_builtins): Construct a
21496 va_list_arg_type_node to handle array decomposition to pointer.
21498 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
21500 * except.c (st_dynamic_cleanup): Use force_operand on the
21503 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
21505 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
21506 * c4x.c (c4x_va_arg): New.
21508 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
21510 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
21511 has manual_pop set.
21513 1999-07-26 Nathan Sidwell <nathan@acm.org>
21515 * eh-common.h (__eh_matcher): Prototype correctly.
21517 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
21519 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
21520 (TARGET_SINGLE_PIC_BASE): Likewise.
21521 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
21523 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
21524 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
21525 (TARGET_OPTIONS): Add -mpic-register=N.
21526 (OUTPUT_INT_ADDR_CONST): New macro.
21527 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
21528 LEGITIMATE_PIC_OPERAND_P): Likewise.
21529 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
21530 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
21531 output_addr_const directly.
21532 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
21534 (thumb_pic_register, thumb_pic_register_string): Declare.
21536 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
21538 (label_mentioned_p): New function: Imported from arm.c.
21539 (legitimize_pic_address): New function: Imported from arm.c.
21540 (is_pic):New function: Imported from arm.c.
21541 (thumb_finalize_pic):New function: Imported from arm.c.
21542 (add_constant): Cope with PIC constants.
21543 (fixit): Cope with PIC constants.
21544 (output_return): Do not treat the PIC register as live if
21545 TARGET_SINGLE_PIC_BASE is true.
21546 (thumb_function_prologue): Do not treat the PIC register as live if
21547 TARGET_SINGLE_PIC_BASE is true.
21548 (thumb_expand_prologue): Do not treat the PIC register as live if
21549 TARGET_SINGLE_PIC_BASE is true.
21550 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
21551 TARGET_SINGLE_PIC_BASE is true.
21552 (thumb_print_operand): Accept '|'.
21553 (thumb_override_options): Process PIC options.
21555 * config/arm/thumb.md (movsi): Support PIC.
21556 (call_insn): Change "i" constraint to "X".
21557 (call_value_insn): Likewise.
21558 (consttable_4, consttable_8, consttable_end): Set and clear
21559 "making_const_table" as appropriate.
21560 (pic_load_addr, pic_add_dot_plus_four): New insns.
21562 * invoke.texi (Thumb Options): Fix spelling. Document new
21563 options -msingle-pic-base and -mpic-register=.
21565 1999-07-26 Andrew Haley <aph@cygnus.com>
21567 * config/m32r/initfini.c (__init): Use a full word immediate for
21568 __fini: this allows it to be placed in any memory region.
21570 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
21571 -mmodel=medium. This is OK for all memory models.
21573 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
21575 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
21576 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
21578 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
21580 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
21583 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
21585 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
21587 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
21588 (BUILD_VA_LIST_TYPE): New.
21589 (EXPAND_BUILTIN_VA_START): New.
21590 (EXPAND_BUILTIN_VA_ARG): New.
21591 * i860.c (output_delayed_branch): Disable.
21592 (output_delay_insn): Likewise.
21593 (i860_saveregs): New.
21594 (i860_build_va_list): New.
21595 (i860_va_start): New.
21596 (i860_va_arg): New.
21597 * i860.md: Disable all peepholes using output_delayed_branch.
21598 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
21600 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
21602 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
21603 (BUILD_VA_LIST_TYPE): New.
21604 (EXPAND_BUILTIN_VA_START): New.
21605 (EXPAND_BUILTIN_VA_ARG): New.
21606 * clipper.c (clipper_builtin_saveregs): Only dump registers.
21607 Return the address of the save area.
21608 (clipper_build_va_list): New.
21609 (clipper_va_start): New.
21610 (clipper_va_arg): New.
21612 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
21614 * arc.h (EXPAND_BUILTIN_VA_START): New.
21615 (EXPAND_BUILTIN_VA_ARG): New.
21616 * arc.c (arc_setup_incoming_varargs): Set alias set of
21618 (arc_va_start): New.
21621 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
21623 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
21624 (BUILD_VA_LIST_TYPE): New.
21625 (EXPAND_BUILTIN_VA_START): New.
21626 (EXPAND_BUILTIN_VA_ARG): New.
21627 * alpha.c (alpha_builtin_saveregs): Delete.
21628 (alpha_build_va_list): New.
21629 (alpha_va_start): New.
21630 (alpha_va_arg): New.
21632 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
21634 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
21636 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
21637 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
21639 * gcc.texi: More changes related to list conversion.
21640 * invoke.texi: Likewise.
21642 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
21644 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
21645 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
21646 (expand_builtin_next_arg): Accept ARGLIST not EXP.
21647 (stabilize_va_list): New function.
21648 (std_expand_builtin_va_start): New function.
21649 (expand_builtin_va_start): New function.
21650 (get_varargs_alias_set): New function.
21651 (std_expand_builtin_va_arg): New function.
21652 (expand_builtin_va_arg): New function.
21653 (expand_builtin_va_end): New function.
21654 (expand_builtin_va_copy): New function.
21655 (expand_builtin): Call them.
21656 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
21657 __builtin_{varargs_start,stdarg_start,end,copy}.
21658 (build_va_arg): New function.
21659 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
21660 (build_va_arg): Declare.
21661 * c-decl.c (ptr_type_node, va_list_type_node): New.
21662 * c-parse.gperf (__builtin_va_arg): New.
21663 * c-parse.in (VA_ARG): New token.
21664 (unary_expr): Recognize it.
21665 * expr.c (expand_expr): Expand VA_ARG_EXPR.
21666 * expr.h (std_expand_builtin_va_start): Declare.
21667 (std_expand_builtin_va_arg): Declare.
21668 (expand_builtin_va_arg): Declare.
21669 (get_varargs_alias_set): Declare.
21670 * tree.def (VA_ARG_EXPR): New.
21671 * tree.h (BUILT_IN_VARARGS_START): New.
21672 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
21673 (ptr_type_node, va_list_type_node): Declare.
21674 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
21675 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
21676 * m88k.h, m88k.c: Likewise.
21677 * mn10300.h, mn10300.c: Likewise.
21678 * pa.h, pa.c: Likewise.
21679 * rs6000.h, rs6000.c: Likewise.
21680 * sh.h, sh.c: Likewise.
21681 * sparc.h, sparc.c: Likewise.
21683 * emit-rtl.c (operand_subword): Copy alias set.
21684 (change_address): Likewise.
21686 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
21688 * pa.c (compute_frame_size): Scan all the used callee saved registers,
21689 not just the first one.
21691 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
21693 * config/arm/arm.h (TARGET_SWITCHES): Add
21694 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
21695 (TARGET_OPTIONS): Add -mpic-register=.
21696 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
21697 (arm_pic_register_string): Declare.
21698 (NEED_PLT_GOT): Delete, replace with ...
21699 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
21700 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
21701 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
21702 * config/arm/arm.c (arm_override_options): Add new option
21704 (arm_pic_register_string): New variable.
21705 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
21706 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
21707 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
21708 (output_return_instruction): Likewise.
21709 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
21710 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
21711 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
21713 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
21714 mention of -msched-prolog. Document new options -msingle-pic-base
21715 and -mpic-register=.
21717 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
21719 * haifa-sched.c (reemit_notes): Tidy.
21720 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
21723 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
21725 * explow.c (trunc_int_for_mode): New function.
21726 (plus_constant_wide): Use it.
21727 * combine.c (simplify_and_const_int): Likewise.
21728 (merge_outer_ops): Likewise.
21729 (simplify_shift_const): Likewise.
21730 * cse.c (simplify_unary_operation): Likewise.
21731 (simplify_binary_operation): Likewise.
21732 * emit-rtl.c (operand_subword): Likewise.
21733 * rtl.h: Declare it.
21735 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21737 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
21738 (use NUM_REGS instead of NUM_INTS).
21740 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21742 * builtins.c: New file.
21743 * expr.c (saveregs_value, apply_args_value): Delete definition,
21744 moved into builtins.c.
21745 (string_constant): No longer static.
21746 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
21747 apply_args_size, apply_result_size, result_vector,
21748 expand_builtin_apply_args, expand_builtin_apply,
21749 expand_builtin_return): Delete functions, moved into builtins.c.
21750 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
21751 * expr.h (saveregs_value, apply_args_value): Declare variables.
21752 (expand_builtin, string_constant): Declare functions.
21753 * Makefile.in: Update to build builtin.o.
21755 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
21757 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
21758 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
21759 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
21760 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
21762 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
21765 1999-07-21 Michael Meissner <meissner@cygnus.com>
21767 * print-rtl.c (print_rtx): Print the names of the virtual
21770 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
21772 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
21773 introduced in previous delta.
21775 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21777 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
21778 to avoid name clash.
21780 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21782 * c-lex.c (yylex) : Correct the test for overflow when lexing
21785 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
21787 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
21788 (adjust_priority): Always call ADJUST_PRIORITY.
21789 (schedule_insn): Only put insns into the ready at cost 0.
21790 (schedule_block): Remove redundant initial sort. Give clock_var
21791 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
21793 * tm.texi (MD_SCHED_REORDER): Update docs.
21795 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
21796 * sparc.c (ultra_reorder_called_this_block): Delete.
21797 (ultrasparc_sched_init): Don't set it.
21798 (ultrasparc_sched_reorder): Don't check it.
21800 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
21802 * rs6000.h (struct rs6000_args): Add sysv_gregno.
21803 * rs6000.c (init_cumulative_args): Init sysv_gregno.
21804 (function_arg_boundary): Align DFmode.
21805 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
21806 to get fp reg and stack overflow correct.
21807 (function_arg): Likewise.
21808 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
21809 (setup_incoming_varargs): Restructure for ABI_V4; use
21810 function_arg_advance to skip final named argument.
21811 (expand_builtin_saveregs): Properly unskip the last integer arg
21812 when doing varargs. Adjust overflow location calculation.
21814 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
21815 explicitly unsigned.
21816 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
21817 (__VA_GP_REGSAVE): Similarly.
21818 (__va_longlong_p): Delete.
21819 (__va_arg_type_violation): New declaration.
21820 (va_arg): Restructure. Flag promotion errors. Align double.
21821 TFmode passed by reference.
21823 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
21824 in the HOST_BITS_PER_WIDE_INT > 32 case.
21826 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
21828 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
21830 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
21832 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
21833 * toplev.c (documented_lang_options): Add -fpreprocessed.
21834 * cpplib.h (struct cpp_buffer): Add preprocessed.
21835 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
21836 (cpp_start_read): Don't expand macros or emit an initial #line
21837 directive if -fpreprocessed.
21839 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21841 * cpplib.h (struct cpp_buffer): Added manual_pop for
21842 better C++ tokenization.
21843 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
21844 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
21845 * c-common.c (cpp_token): Make non-static.
21847 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21849 * c-common.h: New file.
21850 * c-common.c (permanent_obstack): Delete unused declaration.
21851 (c_global_trees): New array.
21852 (c_common_nodes_and_builtins): New function; split off common code
21853 from init_decl_processing in both c-decl.c and cp/decl.c.
21854 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
21855 c_global_trees and accessor macros defined in c-common.h.
21856 Include c-common.h.
21857 * c-decl.c: Delete definitions for tree nodes that were replaced by
21859 (init_decl_processing): Build void_list_node.
21860 Call c_common_nodes_and_builtins; delete code to generate the common
21862 * objc/objc-act.c (build_module_descriptor): Rename variable
21863 void_list_node to avoid clash with c-common.h.
21865 * Makefile.in: Update dependencies.
21866 * objc/Make-lang.in: Likewise.
21868 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
21870 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
21871 (UNIQUE_SECTION_P): Likewise.
21872 (UNIQUE_SECTION): Likewise.
21874 1999-07-19 Linas Vepstas <linas@linas.org>
21876 * config/i370/README: New file.
21877 * config/i370/linux.h: New file.
21878 * config/i370/mvs.h: New file.
21879 * config/i370/oe.h: New file.
21880 * config/i370/t-linux: New file.
21881 * config/i370/t-mvs: New file.
21882 * config/i370/t-oe: New file.
21883 * config/i370/x-oe: New file.
21884 * config/i370/xm-linux.h: New file.
21885 * config/i370/xm-mvs.h: New file.
21886 * config/i370/xm-oe.h: New file.
21888 * i370.c (label_node_t): Add first_ref_page, label_addr,
21889 label_first_ref, label_last_ref members.
21890 (mvs_need_base_reload): Renamed from mvs_label_emitted.
21891 (MAX_MVS_LABEL_SIZE): Define.
21892 (MAX_LONG_LABEL_SIZE): Define.
21893 (alias_node_t, alias_anchor, alias_number): New.
21894 (mvs_function_table): Reorder for EBCDIC.
21895 (ascebc, ebcasc): Unconditionally define.
21896 (i370_branch_dest, i370_branch_length): New functions.
21897 (i370_short_branch, i370_label_scan): New functions.
21898 (mvs_get_label): Renamed from mvs_add_label. Search for
21899 an existing label before creating a new one.
21900 (mvs_add_label): New function.
21901 (mvs_get_label_page): New function.
21902 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
21903 over the entire list.
21904 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
21905 (mvs_check_page) [TARGET_ELF_ABI]: New function.
21906 (mvs_add_alias, mvs_need_alias): New functions.
21907 (mvs_get_alias, mvs_check_alias): New functions.
21908 (handle_pragma): New function.
21909 (mvs_function_check): New function.
21910 (unsigned_jump_follows_p): Search harder.
21911 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
21912 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
21913 * i370.h (TARGET_VERSION): Delete.
21914 (CPP_SPEC, CPP_PREDEFINES): Delete.
21915 (mvs_label_emitted): Delete.
21916 (TARGET_EBCDIC): Delete.
21917 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
21918 (HANDLE_PRAGMA): Define.
21919 (HARD_REGNO_NREGS): Handle complex modes.
21920 (HARD_REGNO_MODE_OK): Likewise.
21921 (CLASS_MAX_NREGS): Likewise.
21922 (RET_REG): Likewise.
21923 (EXTRA_CONSTRAINT): Define.
21924 (RETURN_IN_MEMORY): True for DImode.
21925 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
21926 (FUNCTION_PROFILER): Delete.
21927 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
21928 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
21929 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
21930 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
21931 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
21932 (ASM_FILE_START): Add "RMODE ANY".
21933 (ASM_OUTPUT_EXTERNAL): Check for aliases.
21934 (ASM_GLOBALIZE_LABEL): Likewise.
21935 (ASM_OUTPUT_LABELREF): Likewise.
21936 (ASM_OUTPUT_COMMON): Likewise.
21937 (PRINT_OPERAND): Handle 'K', 'W', default.
21938 (PRINT_OPERAND_ADDRESS): New.
21939 (Lots of defines): Add support for TARGET_ELF_ABI.
21940 * i370.md (attr length): New. Define for all patterns.
21941 (*): Lots of tweeks to assembly output and constraints.
21943 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
21945 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
21946 Disable patterns performing SImode comparisons with SImode values
21947 if TARGET_POWERPC64 and instruction does not sign-extend or does
21948 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
21949 differ for signed quantities.
21950 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
21951 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
21952 (decrement_and_branch_on_count): Add 64-bit variant.
21954 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21956 * final.c (output_asm_insn): When searching for the matching string
21957 for a given dialect, don't run past the end of the list of
21958 alternatives if there are fewer alternatives in the template than
21961 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
21963 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
21964 Removed paragraph about compression of files and size limitation,
21965 duplicated in the FAQ. Use gcc-patches for posting patches.
21966 * gcc.c (main): Updated URL with bug reporting instructions to
21967 gcc.gnu.org. Removed e-mail address.
21968 * system.h (abort): Likewise.
21970 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21972 * Makefile.in (stmp-multilib-sub): Make the files extracted
21973 from $(LIBGCC1) writable.
21975 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
21977 * config/arm/aout.h: Reformat for improved readability.
21979 * config/arm/arm.h: Reformat for improved readability.
21980 Replace uses of fprintf with asm_fprintf where appropriate.
21981 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
21982 function declaration assembler actions.
21983 (NUM_INTS): New macro: Convert from bytes to words.
21984 (NUM_REGS): New macro: Compute number of registers required to
21985 hold a quanitity of tyep MODE.
21986 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
21988 (NUM_ARG_REGS): New macro: The number of argument registers
21990 (ARG_REGISTER): New macro: Compute the register number of the Nth
21992 (LAST_ARG_REGNUM): New macro: The number of the last argument
21994 (SP_REGNUM): New macro: Register number of the stack pointer.
21995 (FP_REGNUM): New macro: Register number of the frame pointer.
21996 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
21997 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
21998 CUMULATIVE_ARGS so that it counts registers not bytes.
22000 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
22002 Replace uses of fprintf with asm_fprintf where appropriate.
22003 (output_ascii_pseudo_op): Replace with version from thumb.c
22005 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
22007 * config/arm/elf.h (CPP_PREDEFINES): Replace with
22008 SUBTARGET_CPP_SPEC.
22009 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
22010 (ASM_FILE_START): Emit ASM_APP_OFF.
22012 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
22014 * pa.c (compute_frame_size): Round frame according to
22015 STACK_BOUNDARY rather than a hardwired value.
22017 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
22019 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
22021 * configure: Rebuilt.
22023 * configure.in (hppa*-*-linux*): New configuration.
22024 * configure: Rebuilt.
22025 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
22026 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
22027 * pa/pa-linux.h: New file.
22028 * pa/t-linux: New file.
22029 * pa/xm-linux.h: New file.
22031 * pa.c (hppa_legitimize_address): Change references from SImode to
22032 either Pmode or word_mode as appropriate.
22033 (emit_move_sequence, store_reg, load_reg): Likewise.
22034 (set_reg_plus_d, hppa_expand_prologue): Likewise.
22035 (output_mul_insn): Likewise.
22036 * pa.h (PROMOTE_MODE): Likewise.
22037 (INITIALZE_TRAMPOLINE): Likewise.
22038 (Pmode): Define to word_mode.
22040 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
22041 value of 4. Allocate 8 bytes for each FP register save.
22042 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
22044 (hppa_expand_prologue): Likewise.
22045 * pa.h (PROMOTE_MODE): Likewise.
22046 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
22047 (FUNCTION_ARG_BOUNDARY): Likewise.
22049 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
22051 * pa.c (out_of_line_prologue_epilogue): Delete.
22052 (override_options): Remove -mspace related code.
22053 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
22054 (compute_frame_size): Only allocate space for register that
22055 actually need to be saved.
22056 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
22057 (TARGET_SWITCHES): Remove -mspace, -mno-space
22058 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
22059 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
22060 * pa/ee.asm, pa/ee_fp.asm: Delete.
22062 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
22064 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
22065 directive in column zero.
22067 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
22069 * m68k.c (output_function_prologue): Fix computation of save mask
22070 when generating PIC code.
22072 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
22074 * tree.c (build_type_attribute_variant): Move current_obstack restore
22075 after build_qualified_type call.
22077 1999-07-15 Mark Mitchell <mark@codesourcery.com>
22079 * configure.in: Use t-iris6, even with GNU LD.
22080 * config/mips/iris6gld.h: Fix typo in linker spec.
22081 * config/mips/t-iris6gld: Remove.
22083 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
22085 * rs6000.md (insv, extzv): Remove SImode dependence in named
22086 patterns. Explicitly generate DImode RTL if PowerPC64 and
22088 (insvdi): Reverse start and size in instruction template.
22090 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
22092 * invoke.texi: Typo fixes.
22094 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
22096 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
22097 handle at this time instead of silently generating incorrect code.
22098 (gen_imagpart): Likewise.
22100 * reload.c (find_reloads): Emit a USE for a pseudo register without
22101 a hard register if we could not create an optional reload for the
22104 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22106 * c-typeck.c (output_init_element, process_init_element):
22107 When advancing constructor_unfilled_fields for a RECORD_TYPE,
22108 check for nameless bit fields.
22110 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
22112 * regclass.c (scan_one_insn): Notice subregs that change the
22113 size of their operand.
22114 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
22116 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
22118 * configure.in (alpha*-*-*): Include alpha/t-ieee.
22119 * configure: Rebuilt.
22120 * alpha/t-ieee: New file.
22122 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
22124 * rs6000.c (find_addr_reg): Do not select r0 as an address
22127 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
22129 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
22131 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
22133 * rs6000.md (movsf): Do not force easy FP constants into memory.
22135 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
22136 immed_double_const to ensure they are properly truncated then
22139 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
22141 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
22142 always unless NO_DEBUG is used. Compile this code
22144 (replace_symbols_in_block): Compile it unconditionally.
22146 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
22148 * configure.in (i?86-*-elf*): New target.
22149 * configure: Rebuilt.
22150 * i386/i386elf.h, i386/t-i386elf: New files.
22152 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
22154 * toplev.c (main): Don't complain about saying -gdwarf.
22155 (rest_of_compilation): Remove redundant code.
22157 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
22159 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
22161 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
22163 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
22164 "Li960R:", to avoid name clash.
22166 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22168 * loop.c (check_dbra_loop): When reversing a loop, delete all
22169 REG_EQUAL notes referencing the reversed biv except those which are
22170 for a giv based on it.
22172 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
22174 * version.c: Drop "gcc-" prefix from version #.
22176 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
22178 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
22179 the label if we're being verbose.
22181 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
22183 * m68k.c (output_function_prologue): Add pic register to mask
22184 if live and flag_pic.
22185 (output_function_epilogue): Likewise.
22187 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
22189 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
22190 directives in column zero.
22192 * pa/elf.h (ASM_FILE_START): Define.
22193 * pa/som.h (ASM_FILE_START): Include .level directives.
22194 * pa/hpux10.h (ASM_FILE_START): Delete.
22195 * pa/hpux11.h (ASM_FILE_START): Delete.
22197 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
22199 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22201 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
22202 when reload_out equals reload_in.
22204 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
22206 * invoke.texi (Spec Files): New node: Describe the contents of
22209 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
22211 * invoke.texi (DEC Alpha Options): Put @end table at
22212 beginning of line, to avoid confusing texi2html.
22214 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
22216 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
22217 introduced in previous delta.
22219 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22221 * reload1.c (gen_reload): When synthesizing a 3 operand add
22222 sequence, improve test for when to reload OP1 into the reload
22223 register instead of OP0.
22225 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
22227 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
22229 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
22231 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
22234 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
22236 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
22237 (va_dcl): Use __builtin_va_alist_t.
22239 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
22241 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
22242 on the permanent_obstack.
22243 * dwarfout.c (output_type): Likewise.
22245 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
22247 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
22248 Merged from c-typeck.c and cp/typeck.c.
22249 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
22250 Merged into c-common.
22252 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
22254 * c-lex.c (errorcount): Declare it.
22255 (finish_parse): Update errorcount when using CPPLIB.
22257 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
22259 * fixinc/inclhack.def(end_else_label): Double the backslash so
22260 sed gets a chance to see it.
22261 * fixinc/inclhack.sh: regen
22262 * fixinc/fixincl.x: regen
22264 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
22266 Add framework to support armv5 architecture when it becomes
22269 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
22270 (arm_arch5): New variable.
22271 (all_architectures): Add armv5 line.
22272 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
22273 -march=armv5 is specified on the command line.
22274 (arm_arch5): Export this variable.
22275 * invoke.texi: Document new string accepted by -march= switch for
22278 * config/arm/arm.h: Replace use of constant 12 as a register
22279 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
22280 * config/arm/arm.c: Replace use of constant 12 as a register
22281 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
22283 * config/arm/elf.h: Tidy up.
22284 * config/arm/coff.h: Tidy up.
22286 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
22288 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
22289 * gcc/config/mips/t-iris6gld: New file.
22290 * gcc/config/mips/iris6gld.h: Likewise.
22292 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
22294 * c-decl.c (widest_integer_literal_type_node,
22295 widest_unsigned_literal_type) : New.
22296 (init_decl_processing): Handle/use the two new types.
22297 * c-common.c (type_for_size,type_for_mode) : Same.
22298 * c-lex.c (yylex) : Same.
22299 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
22301 * c-tree.h (widest_integer_literal_type_node,
22302 widest_unsigned_literal_type) : New.
22304 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
22306 * dwarfout.c (field_byte_offset): Correctly compute the object's
22307 byte offset for the first bit of a field which crosses an alignment
22308 boundary on a !BYTES_BIG_ENDIAN target.
22310 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
22312 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
22315 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
22316 Jeff Law <law@cygnus.com>
22318 * ginclude/varargs.h (va_dcl): Use word_mode for type of
22321 * except.c: Include intl.h.
22322 (expand_eh_return): Set current_function_cannot_inline.
22323 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
22324 * function.h (struct function): Add eh_return_stub_label.
22325 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
22326 * Makefile.in (except.o): Depend on intl.h.
22328 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
22330 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
22331 same as offsettable in cases 1 and 2.
22333 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
22335 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
22336 (extlh, extwh): Likewise.
22338 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
22340 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
22342 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
22344 * configure.in: Add arm-pe and thumb-pe targets.
22345 * configure: Regenerate.
22347 * thumb.c (arm_naked_function_p): New function: Determines if
22348 a function is naked (has no gcc generated prologue/epilogue).
22349 (is_called_in_ARM_mode): Return true if the func has the
22350 interfacearm attribute.
22351 (output_return): Do not generate a return for naked functions.
22352 (thumb_function_prologue): Do not generate a prologue for
22354 (thumb_expand_prologue): Do not generate a prologue for naked
22356 (thumb_expand_epilogue): Do not generate an epilogue for naked
22358 (arm_valid_machine_decl_attribute): New function, copied from
22359 arm.c: Permit naked and interfacearm attributes.
22361 * config/arm/pe.c: New file: Support code for arm-pe target.
22362 * config/arm/pe.h: New file: Header file for arm-pe target.
22363 * config/arm/tpe.h: New file: Header file for thumb-pe target.
22364 * config/arm/t-thumb-pe: New file: Makefile fragment for
22367 1999-07-01 Mark Kettenis <kettenis@gnu.org>
22369 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
22370 -fPIC or -fpic is specified.
22372 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
22374 * expr.c (emit_block_move): Use copy_to_mode_reg for
22375 !TARGET_MEM_FUNCTIONS case too.
22377 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
22379 * configure: Rebuilt.
22380 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
22381 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
22382 definitions made redundant by dbxelf.h inclusion. Delete
22383 lots of definitions related to assembly output that are
22384 specific to the SOM object format.
22385 * pa.c (output_function_prologue): Do not emit the function's
22387 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
22388 * pa-pro.h: Deleted.
22389 * som.h: New file with SOM specific definitions.
22390 * elf.h: New file with ELF specific definitions.
22392 * elfos.h (const_section): Output a tab before assembler directives.
22393 (ctors_section, dtors_section): Likewise.
22394 (ASM_OUTPUT_SECTION_NAME): Likewise.
22396 * pa/pa1.h: Delete unused file.
22398 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
22400 * configure.in (hppa*-hp-hpux11*): New configuration.
22401 * configure: Rebuilt.
22402 * pa/pa-hpux11.h: New file.
22403 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
22406 * mips.md (leasi, leadi): New patterns.
22408 * expr.c (emit_block_move): Properly handle case where one of the
22409 block move arguments has a queued increment or decrement.
22410 (clear_storage): Similarly. Fix formatting goof.
22412 1999-06-28 "David O'Brien" <obrien@NUXI.com>
22414 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
22415 semicolon from the BSD VA_LIST replacement expression.
22417 * fixinc/inclhack.sh: regen
22418 * fixinc/fixincl.x: regen
22420 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
22421 now use the fixincl program.
22423 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
22425 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
22426 case. Also make the PIC register call_used.
22428 * m68k.h (FINALIZE_PIC): Delete.
22429 * m68k.c (finalize_pic): Delete.
22431 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
22433 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
22436 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
22438 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
22440 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
22442 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
22444 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
22446 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
22448 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
22450 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
22452 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
22454 * rs6000.c (output_toc): Always use hex values for floating-point
22455 constants. Store single-precision values in upper-half of TOC
22456 entry in 64-bit mode.
22457 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
22458 to final constraints.
22459 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
22460 (fctiwz): Improve accuracy of RTL for pattern.
22462 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
22464 * expr.c (expand_expr): Allow RTL_EXPR's through the
22465 MAX_INTEGER_COMPUTATION_MODE checks.
22467 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
22469 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
22470 such that MASK_SUPPORT_ARCH is not negative.
22472 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
22474 * loop.c (verify_dominator): Properly handle ADDR_VEC and
22475 ADDR_DIFF_VEC insns that appear inside loops.
22477 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
22478 Jeff Law <law@cygnus.com>
22480 * rs6000.md (movdf_hardfloat32): Revert previous patch.
22481 Handle LO_SUM the same as offsettable in cases 1 and 2.
22482 * rs6000.c (find_addr_reg): Revert previous patch.
22484 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
22486 * system.h (strstr): New external function declaration.
22487 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
22488 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
22489 * config.in, configure: Rebuilt.
22491 1999-06-24 Tom Tromey <tromey@cygnus.com>
22493 * gcc.c (main): Read user-specified specs files after computing
22494 additional startfile_prefixes.
22496 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
22498 Revert these two patches:
22500 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22501 * loop.c (strength_reduce): When doing biv->giv conversion, update
22502 reg note of NEXT->insn.
22504 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22505 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22507 (recombine_givs): Set ix field after sorting.
22509 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22511 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
22512 for the parts of an UNSPEC / UNSPEC_VOLATILE.
22514 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
22516 *fixinc/inclhack.def: Add fix development commentary
22517 (read_ret_type): reactivate and add selection clause
22518 (zzz_*): tweak output file name to match what is used in hackshell.tpl
22519 *fixinc/{fixincl.x|inclhack.sh}: regen
22521 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
22523 * expr.c (expand_expr): STRIP_NOPS before checking against
22524 MAX_INTEGER_COMPUTATION_MODE
22525 (check_max_integer_computation_mode): Likewise.
22527 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
22529 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
22531 1999-06-22 Jim Wilson <wilson@cygnus.com>
22533 * expr.c (store_expr): When target is a promoted subreg, return a
22534 promoted subreg as a result.
22536 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
22538 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
22540 (dwarf2out_define): Mark unused parameters appropriately.
22541 (gen_unspecified_parameters_die): Ditto.
22542 (gen_subprogram_die): Fix signed/unsigned warnings.
22543 (gen_variable_die): Ditto.
22545 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
22547 * fixinc/inclhack.def(end_else_label): combined else_label
22548 and endif_label and fixed the sed expression.
22549 *fixinc/{fixincl.x|inclhack.sh}: regen
22551 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
22553 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
22554 'x' when handling non-offsettable addresses
22556 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
22558 * final.c (shorten_branches): Don't try to split an insn that has
22561 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
22563 * config/mips/mips.c (symbolic_expression_p): New function.
22564 (mips_select_rtx_section): Put symbolic expressions in the
22565 data section, not the read-only data section.
22567 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
22569 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
22571 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
22573 * collect2.c (main): Log frame table count.
22574 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
22575 (scan_prog_file) [COFF]: Handle frame tables.
22577 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
22578 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
22579 * alpha/elf.h: Undef them again.
22580 * alpha/vms.h: Remove their definitions.
22582 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22584 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
22585 remove the clobber of r0 and change the REG_UNUSED note to
22588 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
22590 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
22591 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
22592 fits in HOST_WIDE_INT and one uses union to access a long constant
22595 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
22597 * sparc.c (sparc_override_options): Don't allow profiling for
22598 code models other than medlow.
22599 (sparc_function_profiler): New function from old FUNCTION_PROFILER
22600 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
22601 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
22602 (sparc_block_profiler): Likewise.
22603 (sparc_function_block_profiler_exit): Likewise.
22604 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
22605 (FUNCTION_BLOCK_PROFILER): Likewise.
22606 (BLOCK_PROFILER): Likewise.
22607 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
22608 (MCOUNT_FUNCTION): New.
22609 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
22610 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
22611 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
22612 (MCOUNT_FUNCTION): New.
22613 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
22614 (BLOCK_PROFILER): Delete.
22615 (MCOUNT_FUNCTION): New.
22617 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
22619 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
22621 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
22623 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
22626 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
22629 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
22632 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
22635 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
22637 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
22640 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
22642 * i386/djgpp.h (LIB_SPEC): New.
22643 (STARTFILE_SPEC): New.
22645 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
22647 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
22649 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
22652 * system.h (WSTOPSIG): New macro.
22654 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
22656 * c-pragma.c (push_alignment): Don't ignore alignments greater than
22658 (insert_pack_attributes): Take into account member natural
22661 * i386/winnt.c (exports_head): New static variable.
22662 (i386_pe_record_exported_symbol): New function.
22663 (i386_pe_asm_file_end): Use.
22664 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
22665 symbols to be emitted at end of assembly.
22666 (ASM_DECLARE_OBJECT_NAME): Likewise.
22667 (ASM_DECLARE_FUNCTION_NAME): Likewise.
22669 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
22672 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
22674 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
22677 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
22679 * haifa-sched.c (sched_analyze_1): Use free_list instead of
22680 zapping reg_last_uses directly.
22681 (sched_analyze_2, sched_analyze_insn): Likewise.
22682 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
22684 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
22686 * rs6000.md (movdf_hardfloat32): Use worst case insn length
22687 attributes for cases 1 and 2.
22689 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
22691 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
22694 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
22696 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
22698 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
22700 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
22701 PIC_OFFSET_TABLE_REGNUM for general alloaction.
22702 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
22703 must be stacked if it is used for PIC accesses.
22704 * arm.c (use_return_insn): Handle PIC register specially.
22705 (output_return_instruction): Likewise.
22706 (output_func_{prologue,epilogue}): Likewise.
22707 (output_expand_prologue): Likewise.
22709 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
22710 (*strsi_predec): Renamed from *strqi_predec.
22711 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
22712 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
22714 * arm.c (arm_override_options): Remove warning about PIC code
22715 not being supported.
22717 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
22719 * rs6000.c (find_addr_reg): New function.
22720 * rs6000.h (find_addr_reg): Declare.
22721 (offsettable_addr_operand): Delete.
22722 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
22723 from and stores to GPRs.
22725 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
22727 * alpha.c (alpha_expand_block_move): Use get_insns rather than
22728 gen_sequence as argument to emit_no_conflict_block.
22730 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22732 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
22733 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
22734 *fixinc/fixincl.x: regen
22735 *fixinc/inclhack.sh: regen
22737 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
22739 * added support for -mpcrel (PC relative addressing for m68k)
22740 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
22741 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
22742 * m68k.c (print_operand_address): Handle 32-bit PIC case.
22743 (comments for general_src_operand): Add some explanation
22744 about EXTRA_CONSTRAINTS.
22745 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
22746 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
22747 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
22748 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
22749 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
22750 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
22751 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
22752 if not already set.
22753 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
22754 * m68k.h (TARGET_PCREL): New target flag.
22755 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
22756 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
22757 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
22758 contains a SYMBOL_REF. Relax this constraint during reload, since
22759 we want to use the predicates, not reload's built-in concept of a
22760 valid memory address, to control what insns need reloading.
22761 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
22762 operands (essentially 'g', 'm', and 's' under normal circumstances).
22763 * m68k.c (print_operand): Cause printing of pc-relative addresses
22764 to include pc register.
22765 (print_operand_address): Ditto.
22766 (general_src_operand): Accept operands that are not only
22767 general_operands, but are also valid when used as a pc-relative
22769 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
22770 (memory_src_operand): Similar, for memory_operands.
22771 (pcrel_address): New predicate to accept the special case of a
22772 pc-relative address.
22773 * m68k.md (many patterns): Rewrite common SImode, HImode, and
22774 QImode insns to accept *_src_operand instead of *_operand where
22775 pc-relative operands can fit. For example, a pc-relative operand
22776 can be used as a memory source operand for addsi3, but not as a
22777 memory destination.
22778 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
22780 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
22782 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
22783 .thumb_set pseudo op to mark aliases of thumb functions.
22785 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
22787 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
22788 preference to ASM_OUTPUT_DEF, if it is defined.
22790 * tm.texi: Document new, optional target macro
22791 ASM_OUTPUT_DEF_FROM_DECLS.
22793 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22795 * fixincludes: ISCNTL patch
22796 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
22797 (dgux_int_varargs): new for DG/UX
22798 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
22800 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
22802 * invoke.texi (ia32 options): Fix typo.
22804 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22806 * loop.c (strength_reduce): When doing biv->giv conversion, update
22807 reg note of NEXT->insn.
22809 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
22811 * loop.c (move_movables): Note issues with replacing REGs with
22813 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
22815 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
22817 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
22819 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
22820 the reference to `mcount' was not correct for the ELF on FreeBSD.
22822 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22824 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
22827 (recombine_givs): Set ix field after sorting.
22829 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
22831 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
22832 to safe to extract a subword out of a REG.
22834 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22836 * sh.md (mulsi3): Don't add a no-op move at the end.
22838 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22840 * cse.c (cse_insn): Don't put hard register source into tables for
22841 the last insn of a libcall.
22843 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22845 * loop.c (strength_reduce): Insert sets of derived givs at every
22846 biv increment, even if it's the only one.
22848 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
22850 * dwarfout.c (add_incomplete_type): New fn.
22851 (output_type): Call it.
22852 (retry_incomplete_types): New fn.
22853 (dwarfout_finish): Call it.
22855 From Eric Raskin <ehr@listworks.com>:
22856 (output_type): Output types for bases.
22858 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22860 * mips.c (mips_output_conditional_branch): Add `break'
22861 between `default' label and `close braces'.
22863 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
22865 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
22866 specifications and make it realistic.
22867 (LIB_SPEC): Likewise.
22869 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
22871 * config/mips/mips.c (mips_secondary_reload_class): Check for
22872 (PLUS (SP) (REG)) and return appropriate register class.
22873 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
22874 Handle (PLUS (SP) (REG)).
22875 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
22876 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
22877 of emit_insn for tablejump.
22879 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
22881 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
22882 asm_fprintf format string by itself.
22883 (output_function_profiler): Likewise.
22885 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
22887 * combine.c (simplify_logical, case AND): Only call
22888 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
22889 or the constant is positive.
22891 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
22893 * configure.in: Fix typo in rs6000-ibm-aix4 case.
22894 * configure: Regenerate.
22896 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
22898 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
22899 require a sub-version #.
22900 * configure: Rebuilt.
22902 1999-06-14 Robert Lipe (robertlipe@usa.net)
22904 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
22906 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
22908 * c-typeck.c (process_init_element): Detect excess elements in
22909 char array initializer.
22911 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22913 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
22915 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
22917 * invoke.texi (Option Summary): Add -fpermissive flag.
22919 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
22921 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
22922 that require PIC code sequences.
22924 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
22926 * configure.in: Add new target: thumb-elf.
22927 * configure: Regenerate.
22928 * config/arm/t-thumb-elf: New file: Makefile fragment for
22930 * config/arm/telf.h: New file: Header file for thumb-elf
22933 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
22935 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
22936 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
22937 initializers is some circumstances.
22939 * fixinc/inclhack.def (endif_label): Add additional selector for
22940 more bogus stuff after #endif statements.
22941 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
22943 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
22945 * i386/cygwin.h (SET_ASM_OP): Define.
22947 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
22949 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
22951 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22953 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
22956 * sh.md (ic_invalidate_line_i): Remove second alternative.
22958 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22960 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
22961 test for the presence of valid prototypes. Delete bypass expr.
22962 (ioctl_fix_ctrl): Correct the selection expression.
22963 (no_double_slash): Correct quoting rules
22964 *fixinc/fixincl.x: regen
22965 *fixinc/inclhack.sh: regen
22967 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
22969 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
22971 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
22973 * rs6000.md (movsi_got_internal_mem): Delete.
22974 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
22975 (GOT_TOC_REGNUM): Delete.
22976 (PIC_OFFSET_TABLE_REGNUM): Define.
22977 (FINALIZE_PIC): Disable.
22978 * rs6000.c (rs6000_got_register): New code for fixed pic register.
22979 (rs6000_replace_regno): Delete.
22980 (rs6000_finalize_pic): Likewise.
22981 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
22983 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22985 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
22986 is a note; use <= for the compare; advance P while it is
22989 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
22991 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
22992 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
22994 * varasm.c (remove_from_pending_weak_list): Verify t->name
22995 is non-NULL before passing it to strcmp.
22997 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
22999 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
23000 the typed arguments are not part of a comment
23001 (ioctl_fix_ctrl): Added a purpose comment
23002 *fixinc/fixincl.x: regenerate
23003 *fixinc/inclhack.sh: regenerate
23005 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23007 * invoke.texi: Add C4x invocation docs.
23009 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23011 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
23013 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
23015 (c4x_legitimize_reload_address): New function.
23016 * config/c4x/c4x.md: Update docs.
23018 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
23020 * fixincludes: Avoid removing '.'.
23021 * fixinc/fixinc.svr4: Likewise.
23022 * fixinc/fixinc.winnt: Likewise.
23023 * fixinc/inclhack.tpl: Likewise.
23024 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
23026 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23028 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
23030 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
23032 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
23034 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
23037 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
23039 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
23040 * configure: Regenerate.
23042 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
23044 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
23047 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
23049 * fixinc/inclhack.def (avoid_bool): Also catch
23050 "typedef [unsigned] int bool".
23051 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
23053 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
23054 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
23055 * configure: Rebuilt.
23057 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
23059 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
23060 such that we can override its definitions if necessary.
23061 (CPP_SPEC): New define. Support processor specific predefines via
23063 (CC1_SPEC): New define. Support processor specific compiler
23064 options via %(cc1_cpu).
23065 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
23068 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23070 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
23071 between sed's -e flag, and the open-quote following it.
23072 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
23074 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
23075 Jeffrey A Law (law@cygnus.com)
23077 * varasm.c (assemble_start_function): Remove the function
23078 from the pending weak decls list when we define a function.
23079 (assemble_variable): Similarly for variables.
23080 (weak_finish): Ignore items on the list with a NULL name.
23081 (remove_from_ending_weak_list); New function to "remove" an item
23082 from the pending weak declarations list.
23084 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
23086 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
23088 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
23090 * c-lex.c (GETC): Redefine to call getch.
23091 (UNGETC): Redefine to call put_back.
23092 (putback_buffer): New structure type.
23093 (putback): New static structure.
23094 (getch): New function.
23095 (put_back): New function.
23096 (yylex): Replace unused bytes from bad multibyte character.
23098 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
23100 * cpplib.c (do_define): Cast `alloca' return value.
23101 (do_include, do_undef, do_pragma): Likewise.
23102 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
23104 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
23105 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
23107 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
23109 * sparc.md (abstf2): This should be an expand.
23110 (split after abstf2_notv9): Fix mode.
23111 (abstf2_hq_v9): New pattern.
23112 (abstf2_v9): Only use when no hard quad.
23113 (absdf2_v9): Fix if target is not the same as source.
23114 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
23115 Add correct output constraints.
23117 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
23119 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
23120 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
23122 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
23124 * mips.h (mips_output_conditional_branch): New function.
23125 (mips_adjust_insn_length): Likewise.
23126 (ASSEMBLER_SCRATCH_REGNUM): New macro.
23127 (ADJUST_INSN_LENGTH): Likewise.
23128 * mips.c (print_operand): Add `F' and `W' for floating-point
23129 comparison opcodes.
23130 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
23132 (mips_adjust_insn_length): New function.
23133 (mips_output_conditional_branch): New function.
23134 * mips.md (length): Adjust attribute definition to handle
23135 conditional branches. Change lengths to bytes, rather than
23136 instructions throughout. Remove length attribute from
23137 instructions whose length is four bytes, and rely on the default
23139 (dslot): Fix typo in comment.
23140 Reword conditional branch patterns to use
23141 mips_output_conditional_branch.
23143 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
23145 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
23146 (LIB_SPEC): Likewise.
23147 Link with -lprof1_r for -g/-pg.
23149 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
23151 * loop.c (check_dbra_loop): Fix change of Jan 19.
23153 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
23155 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
23156 (STARTFILE_SPEC): Define, override the svr4.h version.
23157 (ENDFILE_SPEC): Likewise.
23159 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
23161 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
23162 * fixinc/fixincl.x: Regenerated.
23163 * fixinc/inclhack.sh: Regenerated.
23165 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23167 * sh.c (barrier_align): Don't return early for normal branch/barrier
23168 when optimizing for SH2.
23170 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
23172 * i386/udk.h (LINK_SPEC): Correct linker search path for
23175 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23177 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
23178 (braf_label_ref_operand): Delete.
23179 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
23180 * sh.md (casesi_jump_2): Operand1 is now the inside of a
23181 label_ref, and has no predicate.
23182 The patten has a predicate to guard against invalid substitutions.
23183 (dummy_jump): Delete.
23184 (casesi): Update use of casesi_jump_2.
23186 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23188 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
23189 *fixinc/fixincl.x: regenerate
23190 *fixinc/inclhack.sh: regenerate
23192 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
23194 * dwarf2out.c (add_incomplete_type): New fn.
23195 (gen_struct_or_union_type_die): Call it.
23196 (retry_incomplete_types): New fn.
23197 (dwarf2out_finish): Call it.
23199 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
23201 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
23202 current block starts with a CODE_LABEL and ends with a CALL and
23203 we can not find all the argument setup instructions for the CALL.
23205 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
23207 Revert this change:
23208 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
23209 something is a candidate for optimize_bit_field_compare.
23211 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23213 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
23215 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
23217 * alpha.c (override_options): Thinko in last patch.
23219 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
23220 (LIB_SPEC): Recognize -pthread.
23222 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
23224 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
23225 definition in config/arm/coff.h
23226 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
23228 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23230 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
23231 fixes that need "file=xxx\n" prepended before invocation
23232 (start_fixer - new): starting the fixer process is complex enough
23233 to warrent its own routine. It prepends the "file=xxx\n" stuff.
23234 (process): uses the new routine; omit usage of putenv()
23235 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
23236 * fixinc/fixincl.x: regenerate
23238 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
23240 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
23241 and version #s (1.1 -> 2.96) as needed.
23242 * README.g77: Kill way out of date file in the toplevel directory.
23244 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
23246 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
23247 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
23248 * configure: Rebuilt.
23249 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
23250 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
23251 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
23252 (SWITCH_TAKES_ARG): Likewise.
23253 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
23254 * config/t-freebsd: Moved from config/i386/ so it can used for all
23257 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
23259 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
23261 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
23263 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
23264 * configure: Rebuilt.
23266 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
23268 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
23269 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
23270 * rs6000/rs6000.c (rs6000_file_start): Use putc.
23271 (rs6000_output_load_toc_table): Same.
23272 (output_prolog, output_mi_thunk): Same.
23273 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
23274 (ASM_GLOBALIZE_LABEL): Use putc.
23276 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
23278 * alpha.md (reload_*_help): New patterns and splitters.
23279 (reload_*): Use them.
23280 (mov[qh]i): Likewise.
23282 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
23284 * cccp.c (handle_directive): Handle backslash-newlines in quoted
23287 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
23289 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
23291 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
23293 * flow.c (mark_regs_live_at_end, insn_dead_p,
23294 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
23295 and HARD_FRAME_POINTER_REGNUM special treatment if reload
23296 hasn't run or the frame pointer is needed.
23297 * haifa-sched.c (attach_deaths): Likewise.
23298 * sched.c (attach_deaths): Likewise.
23300 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
23302 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
23303 calculate_can_reach_end returns nonzero.
23305 * configure.in (native gas tests): Search for an assembler in the
23306 same manner that the installed compiler will.
23307 * configure: Rebuilt.
23308 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
23310 * alias.c (find_base_term): Improve handling of addresses
23311 constructed from binary operations.
23313 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
23315 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
23317 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
23319 * function.h (cleanup_label, frame_offset): Declare.
23320 (tail_recursion_label, tail_recursion_reentry): Likewise.
23321 (arg_pointer_save_area, rtl_expr_chain): Likewise.
23322 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
23323 (tail_recursion_label, tail_recursion_reentry): Likewise.
23324 (arg_pointer_save_area, rtl_expr_chain): Likewise.
23326 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
23328 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
23330 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
23331 (MAX_OFILE_ALIGNMENT): Define.
23333 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
23335 * fixincl.c: Replace local include scheme with #includes of
23336 gansidecl.h and system.h.
23337 * procopen.c: Likewise.
23338 * server.c: Likewise.
23340 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
23342 * i386/t-dgux (EXTRA_PARTS): Add crti.o
23343 (crti.o): Add build rule and dependencies.
23344 * fixinc/fixinc.dgux: Use modified _int_varargs.h
23346 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23348 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
23349 (LIB_LINUX_SPEC): Likewise.
23350 (LIB_LINUX_SPEC): Add support for -pthread
23351 (CPP_OS_LINUX_SPEC): Likewise.
23352 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
23355 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
23357 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
23359 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
23360 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
23361 for IEEE math and CC_FCOMI.
23362 (put_jump_code): No IEEE if CC_FCOMI is set.
23364 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
23366 * fold-const.c (fold_truthop): Make the field reference unsigned
23367 when converting a single bit compare.
23369 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23371 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
23373 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
23375 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
23376 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
23379 * reload.c (push_reload): Do not call remove_address_replacements
23380 when presented with identical optional reloads.
23382 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
23384 * alpha.h (MASK_FIX, TARGET_FIX): New.
23385 (MASK_*): Reorganize constants.
23386 (CPP_AM_FIX_SPEC): New.
23387 (TARGET_SWITCHES): Add FIX.
23388 (EXTRA_SPECS): Likewise.
23389 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
23390 (SECONDARY_MEMORY_NEEDED): Likewise.
23391 (REGISTER_MOVE_COST): Likewise.
23392 * alpha.c (override_options): Add FIX support. Always use
23393 ALPHA_TP_PROG for ev6.
23394 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
23395 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
23396 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
23398 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
23400 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
23401 something is a candidate for optimize_bit_field_compare.
23403 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
23405 * gcc.texi (Passes): Document branch-shortening.
23406 * invoke.texi (Debugging Options): Document the fact that `-dp'
23407 outputs length information for instructions.
23409 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
23411 * flow.c: Revert previous delta.
23413 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
23415 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
23416 FRAME_POINTER_REGNUM.
23417 (mark_set_1): Ditto.
23418 (mark_used_regs): Ditto.
23420 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
23422 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
23423 (GOT_PCREL): New macro. Define to 1 if not already defined.
23424 * arm/elf.h (GOT_PCREL): Define to 0.
23425 * arm.c (arm_finalize_pic): Take into account the setting of
23428 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
23430 * output.h (STRIP_NAME_ENCODING): Provide default definition.
23431 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
23433 * flow.c (mark_set_1): Do not record BLKmode stores as dead
23434 store elimination candidates.
23436 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
23438 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
23441 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
23443 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
23444 Add use of x-aix41-gld.
23446 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
23448 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
23449 (ASM_OUTPUT_DESTRUCTOR): Define.
23451 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
23453 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
23454 last CODE_LABEL in a loop if we have previously passed a jump
23455 to the top of the loop.
23457 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
23459 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
23460 applying Philip's patch.
23462 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
23464 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
23467 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
23469 * loop.c (strength_reduce): Grow reg_single_usage as needed.
23471 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
23473 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
23474 Also remove a useless comment.
23476 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
23478 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
23480 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
23482 * collect2.c (main): Only generate import or export file and add
23483 to link arguments if non-empty. Use xmalloc not alloca.
23484 (write_{export,import}_file): Delete.
23485 (write_aix_file): New function.
23486 (locatelib): Use xmalloc not malloc.
23487 (GCC_OK_SYMBOL): Do not check type if aix64.
23489 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
23491 Based on patch by Scott Bambrough and Pat Beirne:
23492 * config/arm/arm.c (making_const_table): New variable.
23493 * config/arm/arm.h (making_const_table): Declare.
23494 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
23496 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
23497 Keep track of when we are building the constant table.
23499 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
23501 * config/arm/arm.c (arm_override_options): Fix erroneous warning
23504 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
23506 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
23509 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
23511 * tm.texi (FUNCTION_ARG): Correct description of a stack element
23514 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
23516 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
23518 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23520 * rs6000.c (output_mi_thunk): Enable full support again.
23522 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23524 * sh.h (BRANCH_COST): Define.
23526 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
23528 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
23530 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
23532 * function.c (assign_stack_local): Align stack slot propertly.
23533 (assign_outer_stack_local): Likewise.
23535 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
23537 * expr.h (lang_expand_constant): Declare.
23538 * toplev.c (lang_expand_constant): Define it.
23539 * varasm.c (output_constant): Use it.
23541 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23543 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
23544 Change function definitions to K&R style.
23546 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23548 * fixinc/fixincl.c: We must not ignore SIGCLD now.
23550 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
23552 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
23553 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
23554 (several places): omit static initialization
23555 (process): use single fd, since only the read fd is used
23556 * fixinc/gnu-regex.c: define 'const' away, if not supported
23557 * fixinc/procopen.c(several places): omit static initialization
23558 * fixinc/server.c: define 'volitile' away, if not supported
23560 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
23562 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
23563 asm_fprintf and %L to generate the label name.
23564 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
23565 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
23567 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
23569 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
23570 insn for a conditional jump can not be found.
23572 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
23574 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
23575 on variables in specific sections other than .sbss and .sdata.
23577 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
23579 * stmt.c (expand_return): Call start_cleanup_deferral and
23580 end_cleanup_deferral around conditional code.
23582 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
23584 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
23585 filename lists. Utilizes new "krstr" AutoGen function.
23586 * fixinc/fixincl.x: Rebuilt.
23588 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
23590 * i386.c (output_float_compare): Avoid GNU-C extensions.
23592 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
23594 * version.c: Bump to distinguish mainline tree from the
23597 See ChangeLog.1 for earlier changes.