1 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
3 * flow.c: Update comment.
4 (notice_stack_pointer_modification): New static function.
5 (record_volatile_insns): Use it.
6 (mark_regs_live_at_end): Mark the stack pointer as alive
7 at the end of the function if current_function_sp_is_unchanging
9 (life_analysis_1): Set current_function_sp_is_unchanging.
10 * function.c: Define it.
11 (init_function_start): Initialize it.
12 * output.h: Declare it.
13 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
14 the stack pointer as alive at the end of the function if
15 current_function_sp_is_unchanging is set.
16 * i386.c (ix86_epilogue): Optimize the restoring
19 Mon Oct 12 02:03:25 1998 Jason Merrill <jason@yorick.cygnus.com>
21 * i386/t-cygwin32 (TARGET_LIBGCC2_CFLAGS): Define.
23 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
25 * version.c: Bump for snapshot.
27 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
29 * c-pragma.c (handle_pragma_token): If passed a token instead
30 of a tree, use that as the pack value.
32 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
34 * flow.c (find_basic_blocks_1): Fix prototype.
36 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
38 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
39 (struct tree_decl): New fields no_check_memory_usage.
40 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
41 (init_attributes): Register it as a new attribute.
42 (decl_attributes): Set flags on functions given that attribute.
43 * c-decl.c (duplicate_decls): Merge new attribute.
44 * expr.h (current_function_check_memory_usage): Declare new var.
45 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
46 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
47 current_function_check_memory_usage.
48 * function.h: Add field to struct function.
49 * function.c (current_function_check_memory_usage): Define it.
50 (push_function_context_to, pop_function_context_from): Save and
52 (expand_function_start): Set it, based on global flag and function
55 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
56 check non-automatic variables, to permit detection of writes to
57 read-only locations in embedded systems without memory management.
58 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
59 when emitting chkr_set_right_libfunc call, even if the argument is
60 BLKmode or variable-sized; don't abort.
62 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
63 symbols in Pmode, not VOIDmode.
65 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
67 * cppexp.c: When forcing unsigned comparisons, cast both sides
70 * cpphash.h: Move static declaration of hashtab[]...
73 * cpplib.c: Cast difference of two pointers to size_t before
74 comparing it to size_t. Cast signed to unsigned
75 before comparing to size_t. (FIXME: struct argdata should use
76 unsigned buffer sizes.)
77 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
78 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
79 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
80 size_t before comparison.
82 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
84 * flow.c (find_basic_blocks): Delte "live_reachable_p" argument.
85 (find_basic_blocks_1): Similarly.
86 * output.h (find_basic_blocks): Fix prototype.
87 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
88 find_basic_blocks anymore.
90 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
92 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
93 (sbitmap_free, sbitmap_vector_free): New macros.
94 * output.h (rtl_dump_file): Declare.
96 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
98 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
100 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
102 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
104 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
105 (divide): Remove unused variable `tmp'.
106 (si_to_float): Cast numeric constant to (SItype) before comparing
109 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
111 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
112 * gcc.c (add_preprocessor_option): Correct typo when allocating
113 memory, sizeof() argument had one too many `*'.
114 (add_assembler_option): Likewise.
115 (add_linker_option): Likewise.
116 * gcov.c (output_data): Likewise.
117 * local-alloc.c (memref_used_between_p): Likewise.
118 (update_equiv_regs): Likewise.
119 * loop.c (strength_reduce): Likewise.
120 * reg-stack.c (record_asm_reg_life): Likewise.
121 (subst_asm_stack_reg): Likewise.
122 * reorg.c (dbr_schedule): Likewise.
124 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
126 * flow.c (life_analysis_1): Break out some functions.
127 (find_basic_blocks_1): Likewise. Also move some variables out and
129 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
130 new static var nonlocal_label_list with it.
131 (active_eh_region, nested_eh_region, label_value_list,
132 nonlocal_label_list): New static variables.
133 (make_edges, delete_unreachable_blocks, delete_block): New static
134 functions, broken out of find_basic_blocks_1.
135 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
136 noop_move_p): New static functions, broken out of life_analysis_1.
138 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
140 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
141 Take extra care for op0 now possibly being a subreg.
142 (extract_bit_field): Likewise.
143 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
144 the reg to memory if there is no equal sized integral mode.
145 * stor-layout.c (int_mode_for_mode): New function.
146 * machmode.h: Prototype it.
148 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
150 * global.c (build_insn_chain): Verify no real insns exist past the
151 end of the last basic block, then exit the loop.
153 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
155 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
157 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
159 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
161 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
163 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
165 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
167 * flow.c (find_basic_blocks): Correctly determine when a call
168 is within an exception region.
170 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
172 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
174 * cpplib.h: Protect from multiple inclusions.
175 * cpplib.c: Fix minor formatting problems.
177 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
179 * jump.c (jump_optimize): Revert accidental patch.
181 * Makefile.in (cpplib.o): Use unlibsubdir.
183 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
185 * loop.c (get_condition): Allow combine when either compare is
188 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
190 * version.c: Bump for snapshot.
192 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
194 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
195 (init_lex): Initialize ridpointers[RID_BYREF].
196 * c-lex.h (enum rid): Add RID_BYREF.
197 * c-parse.gperf: Add RID_BYREF as a type qualifier.
198 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
199 (encode_type_qualifiers): Similarly
200 * c-gperf.h: Rebuilt.
202 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
204 * c-common.c (type_for_mode): Only return TItype nodes when
205 HOST_BITS_PER_WIDE_INT is >= 64 bits.
206 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
207 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
208 (init_decl_processing): Only create TItype nodes when
209 HOST_BITS_PER_WIDE_INT is >= 64 bits.
210 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
211 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
213 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
215 * stmt.c (n_occurrences): New static function.
216 (expand_asm_operands): Verify that all constrains match in the
217 number of alternatives.
218 Verify that '+' or '=' are at the beginning of an output constraint.
219 Don't allow '&' for input operands.
220 Verify that '%' isn't written for the last operand.
221 * reload.c (find_reloads): Abort if an asm is found with invalid
222 constraints; all possible problems ought to be checked for earlier.
224 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
226 * flags.h (flag_branch_on_count_reg): Always declare
227 * toplev.c (flag_branch_on_count_reg): Likewise.
228 * toplev.c: Fix typos.
230 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
233 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
235 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
237 (find_basic_blocks_1): Add a nop to the end of a basic block when
238 a trailing call insn does not have abnormal control flow.
239 * gcse.c (pre_transpout): New variable.
240 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
241 (compute_pre_transpout): Calculate it.
242 (compute_pre_ppinout): Use it to eliminate impossible placements
243 due to abnormal control flow through calls.
244 (compute_pre_data): Call compute_pre_transpout.
246 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
248 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
250 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
252 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
253 and matching define_insns): Tack on a `use' of the table label, so
254 flow analysis will recognize a tablejump.
256 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
258 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
259 always end basic blocks for abnormal edge reasons.
261 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
263 * config/i386/i386.h: Remove definition of
264 HANDLE_PRAGMA_PACK_PUSH_POP.
266 * config/i386/go32.h: Add definition of
267 HANDLE_PRAGMA_PACK_PUSH_POP.
269 * config/i386/win32.h: Add definition of
270 HANDLE_PRAGMA_PACK_PUSH_POP.
272 * config/i386/cygwin32.h: Add definition of
273 HANDLE_PRAGMA_PACK_PUSH_POP.
275 * c-pragma.c (insert_pack_attributes): Do not insert
276 attributes unless #pragma pack(push,<n>) is in effect.
278 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
280 * expr.c (emit_group_store): Handle a PARALLEL destination.
282 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
284 * gcse.c (pre_insert_insn): When a call ends a bb, insert
285 the new insns before the argument regs are loaded.
287 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
289 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
290 (c-parse.gperf): Update comments describing invocation flags.
291 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
293 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
295 * reload1.c (reload): Call free before clobbering the memory
296 locations or constants pointers.
298 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
300 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
301 for efficiency by checking whether we need to modify the current
302 stack permission at all.
303 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
304 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
305 __enable_execute_stack libcall here too if
306 TRANSFER_FROM_TRAMPOLINE is defined.
307 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
310 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
312 * Makefile.in (DRIVER_DEFINES): Remove last change.
314 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
316 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
317 insns we're going to copy.
318 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
320 * loop.c (count_one_set): Add prototype.
322 * caller-save.c (restore_referenced_regs): Lose mode argument.
323 (insert_save): Lose mode argument.
324 (insert_restore): Lose mode argument.
325 (insert_one_insn): Lose mode argument.
326 (save_call_clobbered_regs): Lose mode argument.
327 (setup_save_areas): Take no argument and return void. All callers
329 Don't verify validity of memory addresses.
330 * reload.h (setup_save_ares): Adjust prototype.
331 (save_call_clobbered_regs): Likewise.
332 * reload1.c (delete_caller_save_insns): New function.
333 (caller_save_spill_class): Delete variable.
334 (caller_save_group_size): Delete variable.
335 (reload): Call setup_save_areas and save_call_clobbered_regs
336 in the main loop, before calling calculate_needs_all_insns.
337 Don't call save_call_clobbered_regs after the loop.
338 Call delete_caller_save_insns at the end of an iteration if
340 Delete code to manage caller_save_spill_class.
341 Emit the final note before setting reload_first_uid.
342 Simplify test that determines whether reload_as_needed gets run.
343 (calculate_needs): Delete code to manage caller_save_spill_class.
345 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
347 * collect2.c (main): Initialize ld_file_name.
349 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
351 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
352 check for flag_function_sections.
354 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
356 * cse.c (insert_regs): Fix bug in Sep 24 change.
358 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
360 * flags.h (flag_dump_unnumbered): Declare.
361 * toplev.c (flag_dump_unnumbered): Don't declare.
362 * print-rtl.c (flags.h): Include.
363 (print_rtl_single): Add return value.
364 * rtl.h (print_rtl_single): Update declaration.
365 * flow.c (flag_dump_unnumbered): Don't declare.
366 (print_rtl_with_bb): Use return value of print_rtl_single.
368 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
370 * loop.c (count_one_set): New static function, broken out of
372 (count_loop_regs_set): Call it.
373 * global.c (mark_reg_store): Handle clobbers here by not calling
375 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
376 is in fact a clobber.
377 * integrate.c (process_reg_param): New function, broken out of
378 expand_inline_function.
379 (expand_inline_function): Call it.
382 * i386.md (addsidi3_1): Delete unused variable temp.
383 (addsidi3_2): Likewise.
384 (clstrstrsi): Delete unused variable addr1.
386 * rtl.h: Don't declare any functions also declared in recog.h.
388 * Makefile.in (stupid.o): Update dependencies.
389 (global.o): Likewise.
391 * global.c: Include reload.h
392 (reg_becomes_live): New function.
393 (reg_dies): New function.
394 (build_insn_chain): New function.
395 (global_alloc): Call build_insn_chain before calling reload.
397 * reload.h (struct needs): New structure definition.
398 (struct insn_chain): Likewise.
399 (reload_insn_chain): Declare variable.
400 (new_insn_chain): Declare function.
403 * reload1.c (reload_startobj): New variable.
404 (reload_insn_chain): New variable.
405 (unused_insn_chains): New variable.
406 (new_insn_chain): New function.
407 (init_reload): Initialize reload_startobj, not reload_firstobj.
408 (reload): Initialize reload_firstobj.
409 Before returning, free everything on the reload_obstack.
411 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
412 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
413 current_chain): New variables.
414 (reg_where_born): Delete variable.
415 (REG_WHERE_BORN): New macro.
416 (find_clobbered_regs): New function.
417 (stupid_life_analysis): Don't allocate/free reg_where_born.
418 Allocate and free reg_where_born_exact, reg_where_born_clobber,
419 reg_where_dead_chain.
420 Use REG_WHERE_BORN instead of reg_where_born.
421 While processing the insns, build the reload_insn_chain with
422 information about register lifetimes.
423 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
424 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
426 Compute and information about birth and death of pseudo registers in
427 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
428 Delete code to set elements of reg_where_born.
430 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
432 * tree.def (GOTO_EXPR): Modified documentation.
433 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
436 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
438 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
439 loop_final_value, loop_comparison_code): No longer static.
440 (unroll_loop): Delete loop_start_value update.
441 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
442 loop_final_value, loop_comparison_code): Extern.
443 (loop_start_value): Delete extern.
444 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
445 loop_comparison_value, loop_comparison_code): Delete.
446 (loop_optimize): Remove initialization for deleted variables.
447 (strength_reduce): Delete analyze_loop_iterations call. Only call
448 insert_bct if flag_branch_count_on_reg set.
449 (analyze_loop_iterations): Delete.
450 (insert_bct): Remove iteration count calculation. Move checks for
451 viable BCT optimization to here. Obtain iteration count from
452 loop_iterations and correct for unrolling. Check for enough
453 iteration to be beneficial. Comment out runtime iteration count
455 (insert_bct): Print iteration count in dump file. Remove
456 loop_var_mode and use word_mode directly.
458 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
459 * rs6000.c (rs6000_override_options): Use it.
460 (optimization_options): Enable use of flag_branch_on_count_reg.
461 * rs6000.md (define_function_unit): Describe 604e.
463 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
465 * loop.c (move_movables): Corrected threshold calculation for
466 moved_once registers.
468 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
470 * loop.c (combine_givs_p): Fix test for identical givs.
472 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
474 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
475 call abort if the function is already defined.
477 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
479 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
480 truncation is not a no-op.
482 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
484 * version.c: Bump for snapshot.
486 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
488 * version.c: Bump for snapshot.
490 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
492 * expmed.c (expand_divmod): Don't widen for computing remainder
493 if we seem to have a divmod pattern for needed mode.
495 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
497 * cpplib.c (macroexpand): Correct off-by-one error in handling
500 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
502 * combine.c (expand_field_assignment): Don't do bitwise operations
503 on MODE_FLOAT; pun to MODE_INT if possible.
505 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
506 scott snyder <snyder@d0sgif.fnal.gov>
508 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
509 linker. Recognize mangled names in quotes.
511 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
513 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
514 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
515 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
516 (lshrsi3_extend, lshrsi3_extend2): Ditto.
518 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
520 * function.c (purge_addressof_1): If trying to take a sub-word
521 integral piece of a floating point mode, put it on the stack.
523 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
525 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
527 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
529 * PROJECTS: Remove template friends.
531 * collect2.c (sort_ids): Remove unused variable.
533 * tm.texi (MATH_LIBRARY): Document.
534 (NEED_MATH_LIBRARY): Remove.
536 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
537 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
539 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
541 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
542 last_end to 0x7fffffff.
544 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
546 * function.c (purge_addressof_1): Do not perform endianness
547 corrections on bitpos, who we call will do it for us.
549 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
551 * h8300.c (WORD_REG_USED): Fix typo.
552 (initial_offset): Use WORD_REG_USED.
554 * h8300.c (handle_pragma): Fix typo.
556 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
558 * caller-save.c (insert_save_restore): Break this function up
559 into new functions insert_restore, insert_save and insert_one_insn.
561 (insert_restore): New function, mostly broken out of
563 (insert_save): Likewise.
564 (insert_one_insn): Likewise.
565 (restore_referenced_regs): New argument BLOCK. All callers changed.
566 (save_call_clobbered_regs): Don't keep track of basic block boundaries
567 in this function, do it in insert_one_insn instead.
569 * reload1.c (reload): Break out some more pieces into separate
571 (dump_needs): New function, broken out of reload.
572 (set_initial_elim_offsets): Likewise.
573 (init_elim_table): Likewise.
574 (update_eliminables): Likewise.
576 * global.c (global_alloc): Delete code to manage the scratch_list.
577 * local-alloc.c (qty_scratch_rtx): Delete.
578 (scratch_block): Delete.
579 (scratch_list): Delete.
580 (scratch_list_length): Delete.
581 (scratch_index): Delete.
582 (alloc_qty_for_scratch): Delete.
583 (local-alloc): Update initialization of max_qty.
584 Delete code to manage the scratch list.
585 Delete code to allocate/initialize qty_scratch_rtx.
586 (block_alloc): Don't allocate quantities for scratches.
587 Delete code to manage the scratch list.
588 * regs.h (scratch_list): Delete declaration.
589 (scratch_block): Delete declaration.
590 (scratch_list_length): Delete declaration.
591 * reload1.c (reload): Delete code to manage the scratch list.
592 (spill_hard_reg): Likewise.
593 (mark_scratch_live): Delete.
595 * recog.c (alter_subreg): Delete declaration.
597 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
599 * Makefile.in (cccp.o): Fix typo in last patch.
601 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
603 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
604 * config/sh/lib1funcs.asm (___set_fpscr): Add.
606 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
608 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
609 NULL_RTX as an argument.
611 * Makefile.in (unlibsubdir): Define.
612 (DRIVER_DEFINES): Use unlibsubdir.
613 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
614 (stmp-fixinc): Similarly.
616 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
618 * regmove.c (regmove_optimize): Add variable old_max_uid.
619 At the end of the function, update basic_block_end.
621 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
623 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
624 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
627 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
629 * config/arm/arm.c: Improve interworking support.
631 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
633 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
634 copied from reload_out[r] .
636 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
638 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
639 with more than three size ranges.
641 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
643 * rtl.c (mode_name): Add a null string at the end of the array.
644 (mode_wider_mode): Change type to unsigned char.
645 (mode_mask_array): New variable.
646 (init_rtl): Update for mode_wider_mode type change.
648 * rtl.h (mode_wider_mode): Change type to unsigned char.
649 (mode_mask_array): Declare.
650 (GET_MODE_MASK): Use mode_mask_array.
652 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
654 * calls.c (expand_call) : Encapsulate code into
655 copy_blkmode_from_reg.
656 * expr.c (copy_blkmode_from_reg): New function.
657 * expr.h (copy_blkmode_from_reg): New function.
658 * integrate.c (function_cannot_inline_p): We can inline
660 (expand_inline_function): Use copy_blkmode_from_reg
661 if needed. Avoid creating BLKmode REGs.
662 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
665 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
667 * config/v850/v850.c: Add function prototypes.
668 Add support for v850 special data areas.
670 * config/v850/v850.h: Add support for v850 special data areas.
672 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
673 HANDLE_PRAGMA_PACK_PUSH_POP.
674 (push_alignment): New function: Cache an alignment requested
675 by a #pragma pack(push,<n>).
676 (pop_alignment): New function: Pop an alignment from the
678 (insert_pack_attributes): New function: Generate __packed__
679 and __aligned__ attributes for new decls whilst a #pragma pack
681 (add_weak): New function: Cache a #pragma weak directive.
682 (handle_pragma_token): Document calling conventions. Add
683 support for #pragma pack(push,<n>) and #pragma pack (pop).
685 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
686 are defined enable HANDLE_PRAGMA_PACK.
687 Move 'struct weak_syms' here (from varasm.c).
688 Add pragma states for push and pop pragmas.
690 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
693 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
694 HANDLE_GENERIC_PRAGMAS.
696 * varasm.c: Move definition of 'struct weak_syms' into
698 (handle_pragma_weak): Deleted.
700 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
702 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
704 * c-decl.c (start_function): Add invocation of
705 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
707 * tm.texi: Remove description of non-existant macro
708 SET_DEFAULT_SECTION_NAME.
710 (HANDLE_SYSV_PRAGMA): Document.
711 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
713 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
715 * config.sub: Recognize i[34567]86-pc-udk as new target.
716 * configure.in: Likewise.
717 * config/i386/t-udk: New file.
718 * config/i386/udk.h: New file.
720 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
722 * reorg.c (check_annul_list_true_false): Remove unused variables.
723 (steal_delay_list_from_target): Add missing "used_annul" variable.
724 (try_merge_delay_insns): Close out half formed comment.
726 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
728 * cpplib.c (macroexpand): If arg->raw_before or
729 arg->raw_after, remove any no-reexpansion escape at the
730 beginning of the pasted token. Correct handling of whitespace
731 markers and no-reexpand markers at the end if arg->raw_after.
733 * toplev.c (documented_lang_options): Recognize -include,
734 -imacros, -iwithprefix, -iwithprefixbefore.
735 * cpplib.c (cpp_start_read): Process -imacros and -include
736 switches at the same time and in command-line order, after
737 initializing the dependency-output code. Emit properly nested
738 #line directives for them. Emit a #line for the main file
739 before processing these switches, and don't do it again
742 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
744 * function.c (purge_addressof_1): Use bitfield manipulation
745 routines to handle mem mode < reg mode.
747 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
749 * reorg.c (try_merge_delay_insns): Account for resources referenced
750 in each instruction in INSN's delay list before trying to eliminate
751 useless instructions. Similarly when looking at a trial insn's delay
754 * reorg.c (check_annul_list_true_false): New function.
755 (steal_delay_list_from_{target,fallthrough}): Call it and also
756 refine tests for when we may annul if already filled a slot.
757 (fill_slots_from_thread): Likewise.
758 (delete_from_delay_slot): Return newly-created thread.
759 (try_merge_delay_isns): Use its new return value.
761 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
763 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
764 used to compute a giv or as some other non-counting use.
766 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
768 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
769 * local-alloc.c (find_free_reg): Use it.
770 * global.c (find_reg): Likewise.
771 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
773 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
774 * caller-save.c (init_caller_save): Use it.
775 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
777 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
779 * configure.in: Add --enable-cpplib option which uses cpplib
780 for cpp, but doesn't link cpplib into cc1. Make help text
781 capitalization consistent.
782 * configure: Rebuilt.
784 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
786 * function.c (gen_mem_addressof): If the address REG is
787 REG_USERVAR_P make the new REG be so also.
788 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
789 in an attempt to clarify slightly.
791 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
793 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
794 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
796 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
798 * toplev.c: Fix last patch.
800 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
802 * loop.c (get_condition): Fix typo in May 9 change.
804 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
806 * invoke.texi (-fexceptions): Merge 2 different descriptions.
808 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
810 * toplev.c (documented_lang_options): Spelling corrections.
812 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
814 * configure.in: new flags --with-ld and --with-as, equivalent
815 to setting LD and AS environment variables. Test whether
816 specified arguments are GNU commands, and report them with
817 checking messages. Use the specified AS for configure
820 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
822 * gcc.c (find_a_file): when looking for `as' and `ld', return
823 the DEFAULT program if it exists
824 * collect2.c (main): use DEFAULT_LINKER if it exists
826 * gcc.c (find_a_file): the test for existence of a full
827 pathname was reversed
829 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
831 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
832 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
834 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
836 * tree.h (TYPE_BINFO): Document.
838 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
840 * i386-coff.h (dbxcoff.h): Added.
842 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
844 * toplev.c: fix bad patch around flag_data_sections.
846 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
848 * reload1.c (reload): Use reload_address_index_reg_class and
849 reload_address_base_reg_class when setting
850 caller_save_spill_class. (Patch generated by Jim Wilson:
853 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
855 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
856 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
857 * expr.c (store_field): Add alias_set parameter. Set the
858 MEM_ALIAS_SET accordingly, if the target is a MEM.
859 (expand_assignment): Use it.
860 (store_constructor_field): Pass 0.
861 (expand_expr): Likewise.
863 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
865 * flags.h: Add flag_data_sections.
866 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
867 (compile_file): Error if flag_data_sections not supported.
868 * varasm.c (assemble_variable): Handle flag_data_sections.
869 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
870 * config/mips/elf.h: Likewise.
871 * config/mips/elf64.h: Likewise.
872 * invoke.texi: Describe -fdata-sections.
874 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
876 * invoke.texi (-ffloat-store): Clarify that this option
877 does not affect intermediate results -- only variables.
879 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
881 * cpp.texi: Update for Fortran usage from Craig.
883 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
885 * rs6000.c (function_arg_boundary): Revert accidental change on
888 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
890 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
891 (output_mi_thunk): Declare.
893 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
894 (output_function_profiler): Use r12 for temp, instead of r11 so
895 that we preserve the static chain register.
897 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
899 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
901 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
903 * sh.c (gen_shl_sext): Fix case 5.
905 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
907 * reload1.c (reload_combine): Re-add line that got accidentally lost.
909 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
911 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
912 accessing variables until they are initialized via va_arg().
914 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
916 * reload1.c (reload_combine): Initialize set before using.
918 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
920 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
923 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
925 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
926 operand3 with mask before using it. Patch provided by Jim Wilson.
928 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
930 * config/sparc/sparc.c (function_value): Perform the equivalent of
931 PROMOTE_MODE for ARCH64.
932 (eligible_for_epilogue_delay): Allow DImode operations in delay
933 slot of a return for ARCH64.
935 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
937 * sh.md (sqrtsf2): Fix mode of sqrt.
939 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
941 * reload1.c (choose_reload_regs): Also try inheritance when
942 reload_in is a stack slot of a pseudo, even if we already got a
945 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
947 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
948 (reload_cse_regs): New function body: call reload_cse_regs_1,
949 reload_combine, reload_cse_move2add.
950 When doing expensive_optimizations, call reload_cse_regs_1 a
951 second time after reload_cse_move2add.
952 (reload_combine, reload_combine_note_store): New functions.
953 (reload_combine_note_use): New function.
954 (reload_cse_move2add, move2add_note_store): New functions.
956 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
958 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
959 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
961 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
962 more than 3 such reloads.
964 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
965 RELOAD_FOR_X_ADDR_ADDR reload.
967 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
969 * expr.c (store_constructor): When initializing a field that is smaller
970 than a word, at the start of a word, try to widen it to a full word.
972 * cse.c (cse_insn): When we are about to change a register,
973 remove any invalid references to it.
975 (remove_invalid_subreg_refs): New function.
976 (mention_regs): Special treatment for SUBREGs.
977 (insert_regs): Don't strip SUBREG for call to mention_regs.
978 Check if reg_tick needs to be bumped up before that call.
979 (lookup_as_function): Try to match known word_mode constants when
980 looking for a norrower constant.
981 (canon_hash): Special treatment for SUBREGs.
983 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
985 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
986 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
987 defined, emit libcall to __enable_execute_stack. Also fix opcodes
988 and offsets in actual stack trampoline code so they match the
989 commentary and actually work.
991 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
993 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
995 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
996 tmake_file. Set extra_parts to needed crt objects.
997 * configure: Rebuilt.
998 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
999 (TARGET_DEFAULT): Set if default is v9 or ultra.
1000 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
1001 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
1002 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
1003 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
1004 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
1005 (TARGET_VERSION): Define.
1006 (MULTILIB_DEFAULT): Define.
1007 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
1008 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
1009 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
1011 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
1012 * config/sparc/sparc.c (sparc_override_options): If arch and
1013 pointer size disagree, emit diagnostic and fix it up. If
1014 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
1015 V8PLUS in 64-bit mode.
1016 * config/sparc/t-linux64: New file.
1017 * config/sparc/t-sol2-64: New file.
1018 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
1019 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
1020 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
1021 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
1022 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
1023 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
1025 (STARTFILE_SPEC): Set approriately based upon those.
1026 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
1027 disposition of DEFAULT_ARCH32_P.
1028 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
1029 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
1030 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
1031 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
1032 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
1034 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
1036 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
1038 * rtl.h (init_virtual_regs): New function.
1039 * emit-rtl.c (init_virtual_regs): Define.
1040 (insn_emit): Use it.
1041 * integrate.c (save_for_inline_copying): Likewise.
1043 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
1045 * config/arm/thumb.h: The following patches were made by Jim Wilson:
1046 (enum reg_class): Add NONARG_LO_REGS support.
1047 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
1048 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
1049 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
1050 completes. Re-enable HImode REG+OFFSET addresses.
1051 (LEGITIMIZE_RELOAD_ADDRESS): Define.
1053 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
1055 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
1057 * alpha.c (get_aligned_mem): Revert Sep 20 change.
1058 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
1059 (alpha_align_insns): Properly calculate initial offset wrt max_align.
1061 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
1063 * arm.c (find_barrier): Revert change of Apr 23. Handle table
1064 jumps as a single entity, taking into account the size of the
1067 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1069 * tree.def (SWITCH_EXPR): New tree node definition.
1071 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
1073 * version.c: Bump for snapshot.
1075 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
1077 * version.c: Bump for snapshot.
1079 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
1081 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
1084 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
1086 * Revert this patch.
1087 * reload.c (find_reloads): Do not replace a pseudo with
1088 (MEM (reg_equiv_addr)) in the initializing insn for the
1091 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
1093 * final.c (final_scan_insn): Disable tracking CC across branches.
1095 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1097 * expr.h (eh_rtime_match_libfunc): New extern declaration.
1098 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
1099 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
1100 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
1101 NULL. Only include <stdio.h> if inhibit_libc is not defined.
1103 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
1105 * toplev.c (rest_of_compilation): Skip compiling anything with
1106 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
1108 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
1110 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
1111 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
1112 use in_libcall_block.
1113 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
1114 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
1117 Mon Sep 21 14:02:23 1998
1119 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
1120 typo in no-fancy-math-387 description.
1122 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
1124 * version.c: Bump for snapshot.
1126 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
1128 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
1130 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
1132 * i386.h: (TARGET_SWITCHES) Add description fields for flags
1133 documented in install.texi.
1134 (TARGET_OPTIONS) Likewise.
1136 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
1138 * version.c: Bump for snapshot.
1140 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
1142 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
1143 * cccp.c (main): Likewise.
1145 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
1146 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
1149 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
1151 * Makefile.in (LIBS): Link in libiberty.a.
1152 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
1154 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
1156 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
1157 it to update bb boundaries. Update caller.
1158 * function.c (reposition_prologue_and_epilogue_notes): Update
1159 bb boundaries wrt the moved note.
1161 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
1163 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
1165 * configure: Regenerate.
1167 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
1169 * alpha.c (alpha_sr_alias_set): New variable.
1170 (override_options): Set it.
1171 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
1172 (mode_mask_operand): Fix signed-unsigned comparision warning.
1173 (alpha_expand_block_move): Likewise.
1174 (print_operand): Likewise.
1175 (get_aligned_mem): Use change_address.
1176 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
1177 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
1178 (alphaev4_next_nop, alphaev5_next_nop): New functions.
1179 (alpha_align_insns): Remade from old alphaev5_align_insns
1180 to handle multiple processors.
1181 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
1182 * output.h (label_to_alignment): Prototype.
1184 * tree.c (new_alias_set): New function.
1185 * tree.h (new_alias_set): Declare it.
1186 * c-common.c (c_get_alias_set): Use it.
1188 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
1190 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
1191 to an ABS expr, convert an unsigned input to signed.
1193 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
1195 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
1197 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1199 * configure.in: Add support for c4x targets.
1200 * configure: Rebuilt.
1202 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
1204 * combine.c (distribute_notes): If an insn is a cc0 user, only
1205 delete it if we can also delete the cc0 setter.
1207 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
1209 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
1210 (invert_truthvalue): Enable truthvalue inversion for
1211 floating-point operands if -ffast-math.
1213 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
1215 * configure.in: Disable collect2 for nextstep. Instead use
1217 * configure: Rebuilt.
1218 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
1219 (ENDFILE_SPEC): Define.
1220 (OBJECT_FORMAT_MACHO): Define.
1221 (EH_FRAME_SECTION_ASM_OP): Define.
1222 * crtstuff.c: Handle MACHO.
1224 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
1226 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
1228 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
1230 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
1231 (_fpadd_parts): Get sign right for 0.
1233 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1235 * ginclude/varargs.h: Add support for C4x target.
1236 * ginclude/stdargs.h: Likewise.
1238 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
1240 * alpha.c (alpha_return_addr): SET should be VOIDmode.
1241 (alpha_emit_set_long_const): Rewrite to be callable from reload
1243 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
1244 * alpha.md (movdi): Likewise.
1246 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
1248 * arm.c (add_constant): New parameter address_only, change caller.
1249 Set it non-zero if taking the address of an item in the pool.
1250 (arm_reorg): Handle cases where we need the address of an item in
1253 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
1255 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
1256 memory addresses that are not in standard canonical form.
1258 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
1260 * README.C4X: New file with information about the c4x ports.
1261 * ginclude/va-c4x.h: New file for c4x varargs support.
1262 * config/c4x: New directory with c4x port files.
1264 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
1266 * reload.c (find_reloads): Do not replace a pseudo with
1267 (MEM (reg_equiv_addr)) in the initializing insn for the
1270 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
1272 * toplev.c (rest_of_compilation): Set bct_p on second call to
1274 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
1276 (strength_reduce): Only call analyze_loop_iterations and
1277 insert_bct if bct_p set.
1278 (check_dbra_loop): Fix typo.
1279 (insert_bct): Use word_mode instead of SImode.
1280 (instrument_loop_bct): Likewise. Do not delete iteration count
1281 condition code generation insn. Initialize iteration count before
1283 * rtl.h (loop_optimize): Update prototype.
1285 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
1286 not doubleword aligned.
1288 * rs6000.c (optimization_options): New function.
1289 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
1290 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
1291 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
1292 first; cr1 can be used for FP record condition insns.
1294 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
1296 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
1299 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
1302 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
1304 (block_move_call): New function: Call a library routine to copy a
1306 (m32r_expand_block_move): New function: Expand a "movstrsi"
1307 pattern into a sequence of insns.
1308 (m32r_output_block_move): New function: Expand a
1309 "movstrsi_internal" pattern into a sequence of assembler opcodes.
1310 (m32r_block_immediate_operand): New function: Return true if the
1311 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
1313 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1315 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
1317 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
1319 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1321 * regmove.c (copy_src_to_dest): Check that modes match.
1323 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
1325 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
1327 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
1329 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
1330 narrower than FLOAT_REGS.
1332 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1334 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
1336 * Makefile.in (old_gxx_include_dir): removed
1338 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
1340 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
1343 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
1344 (sh_handle_pragma): Change function arguments to match new
1345 specification for HANDLE_PRAGMA.
1347 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1349 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
1351 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
1352 When generating output, initialize missing struct member to zero.
1354 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1356 * regmove.c (copy_src_to_dest): Don't copy if that requires
1357 (a) new register(s).
1359 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1361 * global.c (reg_allocno): Now static.
1362 * reload1.c (reg_allocno): Delete declaration.
1363 (order_regs_for_reload): Take no arguments. Don't treat regs
1364 allocated by global differently than those allocated by local-alloc.
1366 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
1368 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
1369 condition, fix format strings.
1370 (output_function_epilogue): Likewise.
1372 * m68k/m68k.c: Don't include <stdlib.h> directly.
1374 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
1376 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
1377 mem_first_set, mem_last_set; because 0 can be a CUID.
1378 (oprs_unchanged_p): Use new definition.
1379 (record_last_reg_set_info): Likewise.
1380 (record_last_mem_set_info): Likewise.
1381 (compute_hash_table): Likewise.
1383 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
1385 * rs6000.c (output_epilogue): Handle Chill.
1387 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1388 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1390 * combine.c (make_extraction): If no mode is specified for
1391 an operand of insv, extv, or extzv, default it to word_mode.
1392 (simplify_comparison): Similarly.
1393 * expmed.c (store_bit_field): Similarly.
1394 (extract_bit_field): Similarly.
1395 * function.c (fixup_var_regs_1): Similarly.
1396 * recog.c (validate_replace_rtx_1): Similarly.
1397 * mips.md (extv, extzv, insv expanders): Default modes for most
1398 operands. Handle TARGET_64BIT.
1399 (movdi_uld, movdi_usd): New patterns.
1401 * pa.c (emit_move_sequence): Do not replace a pseudo with its
1402 equivalent memory location unless we have been provided a scratch
1403 register. Similarly do not call find_replacement unless a
1404 scratch register has been provided.
1406 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1408 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
1411 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
1413 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
1414 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
1415 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
1416 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
1417 * c-decl.c (init_decl_processing): Update accordingly.
1418 * expr.c (expand_builtin): Likewise.
1420 * rtl.h (global_rtl): Add cfa entry.
1421 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
1422 (LAST_VIRTUAL_REGISTER): Update.
1423 * emit-rtl.c (global_rtl): Add cfa entry.
1424 (init_emit): Initialize it.
1425 * function.c (cfa_offset): New.
1426 (instantiate_virtual_regs): Initialize it.
1427 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
1428 (expand_function_end): Call expand_eh_return.
1429 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
1431 * except.c (current_function_eh_stub_label): Kill.
1432 (current_function_eh_old_stub_label): Likwise; update all references.
1433 (expand_builtin_set_return_addr_reg): Kill.
1434 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
1435 (expand_builtin_set_eh_regs): Kill.
1436 (eh_regs): Produce a third reg for the actual handler address.
1437 (eh_return_context, eh_return_stack_adjust): New.
1438 (eh_return_handler, eh_return_stub_label): New.
1439 (init_eh_for_function): Initialize them.
1440 (expand_builtin_eh_return, expand_eh_return): New.
1441 * except.h: Update prototypes.
1442 * flow.c (find_basic_blocks_1): Update references to the stub label.
1443 * function.h (struct function): Kill stub label elements.
1445 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
1446 register number is one that would be in the previous window.
1447 Provide a dummy definition for non-windowed targets.
1448 (get_reg_addr): New function.
1449 (get_reg, put_reg, copy_reg): Use it.
1450 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
1451 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
1453 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
1454 (alpha_init_expanders): Initialize it.
1455 (alpha_expand_epilogue): Use it.
1456 * alpha.h: Declare it.
1457 * alpha.md (eh_epilogue): New.
1459 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
1460 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
1462 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
1464 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
1467 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1469 * except.h (struct eh_entry): Add false_label field.
1470 (end_catch_handler): Add prototype.
1471 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
1472 (start_catch_handler): When using old style exceptions, issue
1473 runtime typematch code before continuing with the handler.
1474 (end_catch_handler): New function, generates label after handler
1475 if needed by older style exceptions.
1476 (expand_start_all_catch): No need to check for new style exceptions.
1477 (output_exception_table_entry): Only output the first handler label
1478 for old style exceptions.
1479 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
1480 mechanism into one function, if a runtime matcher is provided.
1482 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1484 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
1486 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
1488 * integrate.c (copy_decl_list): Fix typo.
1490 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1492 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
1495 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
1497 * version.c: Bump for snapshot.
1499 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
1501 * version.c: Bump for snapshot.
1503 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
1505 * version.c: Bump for snapshot.
1507 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1509 * invoke.texi (C Dialect Options): Put back missing @end itemize.
1511 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1513 * configure.in: remove usage of `!' to negate the result of a
1514 command; some common shells do not support it
1516 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1518 * configure.in: in sparc9-sol2 config, use 'if test' not
1520 * configure: Rebuilt.
1522 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
1524 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
1525 (CPP_CPU_DEFAULT_SPEC): Likewise.
1526 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
1527 for arch64 libfuncs.
1529 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
1532 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1534 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
1536 * collect2.c: Don't declare `sys_siglist' here.
1537 (my_strsignal): Prototype and define new function. Use it in
1538 place of `sys_siglist' hacks.
1540 * mips_tfile.c: Likewise.
1542 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
1543 (GCC_NEED_DECLARATIONS): Likewise.
1545 * system.h (strsignal): Prototype it, if necessary.
1546 (sys_siglist): Declare it, if necessary.
1548 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1550 * loop.c (move_movables): While removing insn sequences, preserve
1551 the next pointer of the most recently deleted insn when we skip
1554 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
1556 * objc/config-lang.in: Do not output the name of the selected
1557 thread file when building the front-end. The Makefile for the
1558 runtime library will do this.
1560 * objc/Make-lang.in: Do not build the runtime library or install
1561 the Objective C header files. The Makefile for the runtime
1562 library will do this.
1564 * objc/Makefile.in (all.indirect): Only build the front-end.
1565 (compiler): Rename to `frontend'.
1566 (obj-runtime): Remove target.
1567 (copy-headers): Likewise.
1568 (clean): No need to remove `libobjc.a' any longer.
1570 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
1572 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
1573 supported with -mcpu=xxx.
1575 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1577 * flow.c (mark_set_1): Recognize multi-register structure return
1578 values in CALL insns.
1579 (mark_used_regs): Likewise.
1580 (count_reg_sets_1): Likewise.
1581 (count_reg_references): Likewise.
1582 * rtlanal.c (note_stores): Likewise.
1583 (reg_overlap_mentioned_p): Likewise.
1584 * haifa-sched.c (check_live_1): Likewise.
1585 (update_live_1): Likewise.
1586 (sched_analyze_1): Likewise.
1587 (sched_note_set): Likewise.
1588 (birthing_insn_p): Likewise.
1589 (attach_deaths): Likewise.
1591 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
1594 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
1596 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
1598 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1600 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
1602 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1604 * configure.in: Add check for GAS subsection -1 support.
1605 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
1606 * configure config.in: Rebuilt.
1607 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
1608 SImode is subsection -1 works, else use DImode.
1609 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
1610 subsection -1 works.
1611 * config/sparc/sparc.c (sparc_output_addr_vec,
1612 sparc_output_addr_diff_vec): Use them if defined.
1614 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
1616 * tree.h (DECL_ORIGIN): New macro.
1617 * integrate.c (copy_and_set_decl_abstract_origin): New function.
1618 (copy_decl_list): Use it.
1619 (integrate_parm_decls): Likewise.
1620 (integrate_decl_tree): Likewise.
1621 * dwarf2out.c (decl_ultimate_origin): Simplify.
1622 * dwarfout.c (decl_ultimate_origin): Likewise.
1623 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
1624 (pushdecl): Likewise.
1626 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
1628 * config/rs6000/rs6000.c (output_epilog): Add Java support.
1630 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
1632 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
1634 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
1636 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
1637 empty or has a single entry.
1639 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
1640 before calling reg_to_stack.
1642 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
1644 * alpha.c (alphaev5_insn_pipe): Abort on default case.
1645 (alphaev5_next_group): Swallow CLOBBERs and USEs.
1647 * c-tree.h (warn_long_long): Declare it.
1649 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
1651 * emit-rtl.c (gen_lowpart_common): Disable optimization of
1652 initialized float-int union if the value is a NaN.
1654 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
1656 * c-lex.c (real_yylex): Don't warn about long long constants if
1657 we're allowing long long
1659 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1661 * except.h (current_function_eh_stub_label): Declare.
1662 (current_function_eh_old_stub_label): Declare.
1663 * function.h (struct function): New members eh_stub_label and
1665 * except.c (current_function_eh_stub_label): New variable.
1666 (current_function_eh_old_stub_label): New variable.
1667 (init_eh_for_function): Clear them.
1668 (save_eh_status): Save them.
1669 (restore_eh_status): Restore them.
1670 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
1671 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
1672 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
1673 make an edge from the block that contains it to the block starting
1674 with the label if this label is one of the eh stub labels.
1675 If eh stub labels exist, show they are reachable from the last block
1678 * reload1.c (reload): Break out several subroutines and make some
1680 (calculate_needs_all_insns): New function, broken out of reload.
1681 (calculate_needs): Likewise.
1682 (find_reload_regs): Likewise.
1683 (find_group): Likewise.
1684 (find_tworeg_group): Likewise.
1685 (something_needs_reloads): New global variable, formerly in reload.
1686 (something_needs_elimination): Likewise.
1687 (caller_save_spill_class): Likewise.
1688 (caller_save_group_size): Likewise.
1689 (max_needs): Likewise.
1690 (group_size): Likewise.
1691 (max_groups): Likewise.
1692 (max_nongroups): Likewise.
1693 (group_mode): Likewise.
1694 (max_needs_insn): Likewise.
1695 (max_groups_insn): Likewise.
1696 (max_nongroups_insn): Likewise.
1697 (failure): Likewise.
1699 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
1701 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
1703 * loop.c (load_mems): Copy rtx for output mem.
1705 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
1707 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
1708 mips1 or mips2 either.
1710 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
1712 * pa.c (pa_reorg): New marking scheme for jumps inside switch
1714 (pa_adjust_insn_length): Update to work with new marking scheme
1715 for jumps inside switch tables.
1716 * pa.md (switch_jump): Remove pattern.
1717 (jump): Handle jumps inside jump tables.
1719 * Makefile.in (profile.o): Depend on insn-config.h
1721 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
1723 * iris6.h (DWARF2_UNWIND_INFO): Undef.
1725 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1727 Add preliminary native sparcv9 Solaris support.
1728 * configure.in: Recognize sparv9-*-solaris2*
1729 * configure: rebuilt
1730 * config.sub: Recognize sparcv9 just like sparc64.
1731 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
1732 config/sparc/sol2-cn.asm: Macroize so it can be shared between
1733 32-bit and 64-bit Solaris systems.
1734 * config/sparc/t-sol2: Assemble those with cpp.
1735 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
1736 (*TF*_LIBCALL): If ARCH64 use V9 names.
1737 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
1739 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
1741 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
1742 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
1744 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
1746 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
1747 to Pmode if CASE_VECTOR_MODE is something else.
1749 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
1751 * prefix.c (update_path): Correctly handle cases where PATH is
1752 a substring of the builtin prefix, but specifies a different
1755 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
1757 * expr.c: Corrected comment about what MOVE_RATIO does.
1758 * config/alpha/alpha.h: Ditto.
1759 * config/1750a/1750a.h: Ditto.
1760 * config/clipper/clipper.h: Ditto.
1761 * config/i386/i386.h: Ditto.
1763 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
1765 * configure.in (m68k-next-nextstep3*): Use collect2.
1766 Similarly for x86 NeXT configurations.
1767 * configure: Rebuilt.
1769 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
1771 * configure.in: Don't assume srcdir is .../gcc
1772 * configure: Rebuilt.
1774 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
1776 * global.c: Update comments.
1777 (global_alloc): Assign allocation-numbers
1778 even for registers allocated by local_alloc in case
1779 they are later spilled and retry_global_alloc is called.
1780 (mark_reg_store, mark_reg_clobber,
1781 mark_reg_conflicts, mark_reg_death): Always record a
1782 conflict with a pseudo register even if it has been
1783 assigned to a hard register.
1784 (dump_conflicts): Don't list pseudo registers already assigned to
1785 a hard register as needing to be allocated, but do list their
1787 * local-alloc.c: Update comment.
1789 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
1791 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
1792 * configure: Rebuilt.
1794 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
1796 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
1798 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
1799 for all targets that set -msoft-float.
1801 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1803 * toplev.c (print_switch_values): Make static to match prototype.
1805 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
1807 * configure.in: If we are unable to find the "gnatbind" program,
1808 then do not configure the ada subdir.
1809 * configure: Rebuilt.
1811 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
1813 * version.c: Bump for snapshot.
1815 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
1817 * version.c: Bump for snapshot.
1819 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1821 * Makefile.in (toplev.o): Depend on $(EXPR_H).
1822 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
1824 * gansidecl.h: Define ATTRIBUTE_NORETURN.
1826 * genattrtab.c: Have insn-attrtab.c include toplev.h.
1828 * genextract.c: Have insn-extract.c include toplev.h.
1830 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
1832 * toplev.c: Include expr.h.
1833 (really_sorry, fancy_abort): Remove prototypes.
1834 (set_target_switch): Add argument in prototype.
1835 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
1836 (v_really_sorry): Likewise.
1837 (print_version, print_single_switch, print_switch_values): Make
1838 static and add prototype arguments.
1839 (decl_printable_name): Add prototype arguments.
1840 (lang_expand_expr_t): New typedef.
1841 (lang_expand_expr): Declare as a lang_expand_expr_t.
1842 (incomplete_decl_finalize_hook): Add prototype argument.
1843 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
1844 (botch): Likewise for variable `s'.
1845 (rest_of_type_compilation): Mark variables `type' and `toplev'
1846 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
1847 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
1848 (display_help): Make variable `i' an `unsigned long'.
1849 (main): Remove unused parameter `envp'.
1850 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
1851 Cast -1 when comparing it with a `size_t'.
1853 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
1854 prototype with ATTRIBUTE_NORETURN.
1855 (fatal_insn_not_found, fatal_insn, really_sorry,
1856 push_float_handler, pop_float_handler): Add prototypes.
1857 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
1858 (do_abort, botch): Add prototypes.
1860 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
1862 * final.c (final): If a label is reached only from a single jump,
1863 call NOTICE_UPDATE_CC on the jump and its predecessor before
1864 emitting the insn after the label.
1866 * i386.h: Add AMD K6 support.
1867 Change TARGET_* macros to use table lookup.
1868 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
1869 (ADJUST_COST): Change definition to call function in i386.c.
1870 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
1871 * i386.c: Add AMD K6 support.
1872 Add constants for feature tests used by TARGET_* macros.
1873 (split_di): If before reload, call gen_lowpart and gen_highpart.
1874 (x86_adjust_cost): New function.
1875 (put_jump_code): New function.
1876 (print_operand): New codes 'D' and 'd'.
1877 * i386.md: New insn types. New insn attribute "memory".
1878 Redefine scheduling parameters to use new types and add AMD K6
1879 support. Explicitly set type of most insns.
1880 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
1881 Pro and K6 prefer movl $1,reg to incl reg.
1882 (adddi3, subdi3): Set cc_status.
1883 (DImode shift patterns): Change label counters from HOST_WIDE_INT
1884 to int; x86 can't have more than 2^31 DImode shifts per file.
1885 (setcc): Combine all setcc patterns. Allow writing memory.
1886 Combine all jump patterns using match_operator.
1887 (*bzero): Name pattern. Emit mutliple stos instructions when that
1888 is faster than rep stos.
1889 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
1892 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
1894 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
1897 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
1899 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
1900 not whatever we're generating now.
1902 * alpha.c (set_frame_related_p, FRP): New.
1903 (alpha_expand_prologue): Mark frame related insns.
1904 (alpha_expand_epilogue): Likewise, but with a null FRP.
1905 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
1906 * alpha.md (exception_receiver): New.
1907 * alpha/crtbegin.asm (.eh_frame): New beginning.
1908 (__do_frame_setup, __do_frame_takedown): New.
1909 * alpha/crtend.asm (.eh_frame): New ending.
1910 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
1911 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
1912 (ASM_FILE_START): Don't emit .file for dwarf2.
1914 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
1915 * rtl.c (reg_note_name): Likewise.
1916 * rtl.texi (REG_NOTES): Likewise.
1917 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
1920 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
1922 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
1923 * i386.md (movsf, movdf, movxf): Validate memory address returned
1924 from force_const_mem. Kill useless REG_EQUAL setting code.
1926 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
1928 * m68k.md (zero_extendsidi2): Fix typo.
1930 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
1932 * configure.in: Removed references to the removed file
1933 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
1934 * arm*-*-netbsd* and ns32k-*-netbsd*.
1935 * config/i386/xm-netbsd.h: Removed unnecessary file.
1936 * config/m68k/xm-netbsd.h: Likewise.
1937 * config/sparc/xm-netbsd.h: Likewise.
1938 * config/mips/xm-netbsd.h: Likewise.
1940 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
1942 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
1943 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
1945 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
1946 for exact section attributions.
1948 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
1950 * i386/crtdll.h (CPP_PREDEFINES): Define.
1952 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
1954 * m68k.md (5200 movqi): Do not allow byte sized memory references
1956 * m68k.c (output_move_qimode): Do not use byte sized operations on
1959 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
1960 explicit rules for building. Similarly for alloca, vfprintf,
1961 choose-temp and mkstemp, getopt, getopt1, and obstack.
1962 (INCLUDES): Add $(srcdir)/../include.
1963 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
1964 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
1966 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
1968 * gcc.c (do_spec_1): [case 'o'] Account for
1969 lang_specific_extra_outfiles.
1970 (main): Correctly clear all slots in outfiles for
1971 lang_specific_extra_outfiles. Set input_file_number before
1972 calling lang_specific_pre_link.
1974 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
1976 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
1978 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1980 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
1982 (sparc_output_deferred_case_vectors): If no work to do, return.
1983 Fix thinko in Sept 1 change.
1985 1998-09-03 SL Baur <steve@altair.xemacs.org>
1987 * Makefile.in: add semicolon in BISON definition for portability.
1989 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
1991 * config/nextstep.c (handle_pragma): Correct name of third
1994 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
1996 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
1997 * config/m32r/m32r.h: Make register 17 be fixed.
1998 * config/m32r/m32r.c: Use SImode for cc operations.
2000 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
2002 * invoke.texi (Warning Options): Add -Wnon-template-friend
2005 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
2007 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
2009 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
2011 * rs6000.md (movsf): Disable explicit secondary-reload-like
2012 functionality if TARGET_POWERPC64.
2013 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
2016 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
2018 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
2019 and term.h from fixinc.wrap.
2021 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2023 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
2024 safe to include both string.h and strings.h together.
2025 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
2026 which headers to search for function declarations. Continue to
2027 prefer string.h over strings.h when both are not acceptable.
2029 * acconfig.h (STRING_WITH_STRINGS): Add stub.
2031 * configure.in: Call GCC_HEADER_STRING.
2033 * system.h: Test STRING_WITH_STRINGS when deciding which headers
2034 to include. Continue to prefer string.h over strings.h when both
2037 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2039 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
2040 not assume top 32-bits of symbolic addresses are zero if
2043 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
2045 * ginclude/va-alpha.h: Protect entire second portion of the
2046 file against double inclusion.
2048 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
2050 Added support for the Boehm's garbage collector.
2051 * configure.in: Handle --enable-objc-gc.
2052 * configure: Rebuilt.
2053 * Makefile.in (CHECK_TARGETS): Add check-objc.
2054 (check-objc): New rule.
2055 * objc/Make-lang.in: Build a different Objective-C library that
2056 runs with the Boehm's collector.
2057 * objc/encoding.c (objc_round_acc_size_for_types): New function.
2058 * objc/encoding.c: Correctly compute the size of compound types in
2059 the presence of bitfields. Skip the variable name of the type if
2060 any. Added support for long long.
2061 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
2062 (_F_GCINVISIBLE): New mask.
2063 * objc/gc.c: New file. Compute the type memory mask associated with
2064 a class based on the runtime information.
2065 * objc/misc.c: Added the hooks that use the Boehm's collector
2066 allocation functions.
2067 * objc/objc-act.c (build_class_template): Generate a new class
2068 member (gc_object_type) to hold the class' type memory mask.
2069 (build_shared_structure_initializer): Initialize the new member to
2071 (encode_complete_bitfield): New function. Generate the new
2073 (encode_field_decl): Generate the new encoding only for the GNU
2075 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
2077 (class_get_gc_object_type): New function to mark a pointer instance
2078 variable as a weak pointer.
2079 * objc/objc-features.texi: New file.
2080 * objc/objc.h (gc_object_type): New class member.
2081 * objc/objects.c (class_create_instance): Create a typed memory
2082 object when compiled with Boehm's collector support.
2083 * objc/sendmsg.c (__objc_init_install_dtable): Call
2084 __objc_send_initialize instead of setting the initialize flag.
2085 (__objc_send_initialize): Call __objc_generate_gc_type_description
2086 to generate the class type memory mask. Rewrite the code that
2087 sends the +initialize so that it is called only once (bug report
2088 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
2089 * testsuite/objc: New testsuite for Objective-C type encoding.
2090 * testsuite/lib/objc-torture.exp: New file.
2091 * testsuite/lib/objc.exp: New file.
2093 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
2095 * jump.c (jump_optimize): In if/then/else transformations, add
2096 another call to modified_between_p for the jump insn.
2098 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
2100 * fix-header.c (symlink): Treat like readlink.
2102 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2104 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
2107 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
2109 * config/nextstep.h: Update HANDLE_PRAGMA macro.
2110 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
2111 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
2113 * config/nextstep.c (handle_pragma): Take three arguments, as per
2114 the new HANDLE_PRAGMA macro specification.
2115 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
2116 per the new HANDLE_PRAGMA macro specification.
2117 * config/i960/i960.c (process_pragma): Take three arguments, as
2118 per the new HANDLE_PRAGMA macro specification.
2120 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
2122 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
2123 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
2124 if unknown pragmas are encountered.
2125 (handle_sysv_pragma): Interpret return code from
2126 handle_pragma_token (). Return success/failure indication rather
2127 than next unprocessed character.
2128 (pragma_getc): New function: retrieves characters from the
2129 input stream. Defined when HANDLE_PRAGMA is enabled.
2130 (pragma_ungetc): New function: replaces characters back into the
2131 input stream. Defined when HANDLE_PRAGMA is enabled.
2133 * c-pragma.c (handle_pragma_token): Return success/failure status
2136 * c-pragma.h: Change prototype of handle_pragma_token().
2138 * varasm.c: (handle_pragma_weak): Only create this function if
2139 HANDLE_PRAGMA_WEAK is defined.
2141 * c-common,c (decl_attributes): If defined call the expression
2142 contained within the INSERT_ATTRIBUTES macro before adding
2143 attributes to a decl.
2145 * tm.texi (HANDLE_PRAGMA): Document the new verion of
2146 HANDLE_PRAGMA, which takes three arguments.
2147 (INSERT_ATTRIBUTES): Document this new macro.
2149 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
2150 new INSERT_ATTRIBUTES macro.
2152 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2154 * config/sparc/sparc.md (movdf): Only generate special RTL for
2155 LABEL_REFs when PIC.
2156 (move_label_di): Remove
2157 (movdi_pic_label_ref, movdi_high_pic_label_ref,
2158 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
2159 references when PIC.
2160 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
2161 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
2162 output an .xword for all 64-bit cases.
2164 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2166 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
2167 alignment, use FUNCTION_BOUNDARY instead.
2168 (sparc_output_deferred_case_vectors): Likewise.
2170 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2172 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
2173 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
2175 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
2177 * alpha/va_list.h: New file.
2178 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
2180 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
2182 * NEWS: Add SCO Openserver and Unixware 7 notes.
2186 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
2188 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
2189 (record_constant_1): Handle RANGE_EXPR.
2191 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
2193 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
2194 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
2195 and NOTE_INSN_RANGE_END specially.
2196 (reemit_notes): Likewise.
2198 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2200 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
2201 (ultrasparc_sched_init): Remove unneeded &.
2203 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2205 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
2206 for m68020-60, to prevent the use of fintrz.
2208 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
2210 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
2212 * Makefile.in: Likewise.
2213 * configure: Regenerated.
2215 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
2217 * configure.in (gxx_include_dir): Changed to
2218 '${prefix}/include/g++'-${libstdcxx_interface}.
2219 * configure: Rebuilt.
2221 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
2223 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
2225 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
2226 *sequences* *below* which scalar moves will be used.
2228 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
2230 * collect2.c (mktemp): Delete unused declaration.
2232 * config/xm-netbsd.h: Remove unnecessary file.
2233 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
2234 file anymore, it is not needed.
2236 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
2238 * convert.c (convert_to_integer): Issue an error on conversions to
2241 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
2243 * Makefile.in: Add lang_tree_files and gencheck.h.
2244 * configure.in: Generate them.
2245 * gencheck.c: Include gencheck.h.
2247 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2249 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
2250 movdi_lo_sum_pic and movdi_high_pic and make visible.
2251 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
2252 emit these when Pmode is not SImode.
2253 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
2255 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
2257 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
2258 .linkonce directive after the first time.
2260 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
2262 * m68k.md (beq0_di): Generate correct (and more efficient) code when
2263 the clobbered operand overlaps with an input.
2264 (bne0_di): Similarly.
2266 * Makefile.in (INSTALL): Remove "--no-header" argument.
2268 * NEWS: Various updates.
2270 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2272 * config/sparc/sparc.c (arith_operand, const64_operand,
2273 const64_high_operand, arith_double_4096_operand): Mark mode as
2275 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
2277 (sparc_emit_set_const64): Remove unused variable i.
2278 (sparc_splitdi_legitimate): Likewise for addr_part.
2279 (ultra_code_from_mask): Likewise for mask.
2280 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
2281 reverse return values so it matches usage and comments.
2282 (ultra_flush_pipeline): Likewise.
2283 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
2284 this_type, and allow loads and stores of differing FP modes as
2285 they do not create a conflict.
2286 (ultra_find_type): Initialize fpmode to SFmode, fix
2287 parenthesization thinkos in large conditional.
2288 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
2289 Init free_slot_mask after ultra_cur_hist is reset, not before.
2290 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
2291 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
2292 use ultra_flush_pipeline instead, then re-init group pointer.
2293 Fix statement with no effect. If no progress made in, and no
2294 instructions scheduled at all, advance to new pipeline cycle else
2295 we get into an endless loop.
2296 (ultrasparc_adjust_cost): Remove previous arg.
2297 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
2299 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
2301 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
2302 code. Use reg_overlap_mentioned_p to detect when source and
2303 destination overlap.
2304 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
2306 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
2308 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
2309 COMPARISON_VAL, into invariant_p.
2311 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2313 * regmove.c (regclass_compatible_p): New function.
2314 (regmove_optimize): Use it.
2316 Use NREGS parameter insted of calling max_reg_num.
2318 (fixup_match_1): Don't use code = MINUS when later tieing with
2319 a hard register is likely.
2321 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2323 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
2324 COMPARISON_VAL was normalized.
2326 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
2328 * loop.c (check_dbra_loop): The loop ending comparison value
2329 must be an invariant or we can not reverse the loop.
2331 * loop.c (scan_loop): Count down from max_reg_num - 1 to
2332 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
2334 (load_mems_and_recount_loop_regs_set): Likewise.
2336 * i386.c (print_operand): Remove obsolete 'c' docs.
2338 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
2340 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
2341 * frame.c (init_object_mutex): New function.
2342 (init_object_mutex_once): Likewise.
2343 (find_fde): Call it.
2344 (__register_frame_info): Likewise.
2345 (__register_frame_info_table): Likewise.
2346 (__deregister_frame_info): Likewise.
2348 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
2350 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
2352 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2354 * loop.c (check_dbra_loop): Enable code for reversal
2355 of some loops without a known constant loop end.
2357 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
2359 * haifa-sched.c (last_clock_var): New.
2360 (schedule_block): Initialize it.
2361 (schedule_insn): Use it to fill insn modes with issue information.
2363 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
2364 Tag trapb and next insn with TImode.
2365 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
2366 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
2367 Invoke alphaev5_align_insns as appropriate.
2368 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
2369 (MD_SCHED_VARIABLE_ISSUE): New.
2370 * alpha.md (attr type): Add multi.
2371 (define_asm_attributes): New.
2372 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
2373 (arg_home): Likewise.
2374 (fnop, unop, realign): New.
2376 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
2378 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
2379 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
2381 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
2382 (rs6000-ibm-aix4.[12]*): Likewise.
2383 * configure: Regnerate.
2385 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
2387 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
2388 already contains the return address.
2390 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
2392 * calls.c (expand_call): Use bitfield instructions to extract/deposit
2393 word sized hunks when loading unaligned args into registers.
2395 * haifa-sched.c (sched_analyze_insn): Only create scheduling
2396 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
2398 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
2400 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2402 * loop.c (check_dbra_loop): Add some code that would allow reversal
2403 of some loops without a known constant loop end if it were enabled.
2405 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
2407 * mips.md (lshrsi3_internal2+2): Fix type-o.
2409 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2411 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
2412 correctly with regards to stdio.h.
2414 * calls.c: Remove stdarg.h/varargs.h.
2417 * combine.c: Likewise.
2418 * cpperror.c: Likewise.
2419 * cpplib.c: Likewise.
2420 * cpplib.h: Likewise.
2421 * doprint.c: Likewise.
2422 * emit-rtl.c: Likewise.
2423 * final.c: Likewise.
2424 * fix-header.c: Likewise.
2426 * genattr.c: Likewise.
2427 * genattrtab.c: Likewise.
2428 * gencodes.c: Likewise.
2429 * genconfig.c: Likewise.
2430 * genemit.c: Likewise.
2431 * genextract.c: Likewise.
2432 * genflags.c: Likewise.
2433 * genopinit.c: Likewise.
2434 * genoutput.c: Likewise.
2435 * genpeep.c: Likewise.
2436 * genrecog.c: Likewise.
2437 * mips-tfile.c: Likewise.
2438 * prefix.c: Likewise.
2439 * protoize.c: Likewise.
2440 * regmove.c: Likewise.
2441 * toplev.c: Likewise.
2444 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2446 * config/sparc/sparc.c (sparc_override_options): If not
2447 TARGET_FPU, turn off TARGET_VIS.
2448 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
2449 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
2450 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
2451 (movdi_insn_sp64): Add VIS fzero alternative.
2452 (clear_sf, clear_df): New VIS patterns.
2453 (movsf, movdf expanders): Allow fp_zero_operand flat out when
2455 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
2457 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
2459 * loop.c (n_times_set, n_times_used, may_not_optimize,
2460 reg_single_usage): Convert to varrays. All uses changed.
2461 (insert_loop_mem): Return a value.
2462 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
2463 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
2466 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
2469 * configure.in: Do not set thread_file to "irix" since no such
2472 * sparc.md (float abs/neg splits): Check reload_completed before
2473 calling alter_subreg.
2475 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2477 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
2479 * config/sparc/sparc.h: Declare it.
2480 * config/sparc/sparc.md (float abs/neg splits): Use it.
2481 (all other splits): Handle SUBREGs properly where necessary.
2482 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
2484 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
2486 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
2487 an insn on the unfilled_slots_list that has no delay slots.
2488 (fill_eager_delay_slots): Similarly.
2490 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
2492 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
2493 as an ordinary operand.
2495 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
2497 * tree.c (valid_machine_attribute): Don't apply attributes to both
2500 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
2502 * reload.c (operands_match_p): Handle rtvecs.
2504 * i386.c (legitimate_pic_address_disp_p): New.
2505 (legitimate_address_p): Use it.
2506 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
2507 Handle constant pool symbols just like statics.
2508 (emit_pic_move): Use Pmode not SImode for clarity.
2509 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
2510 [UNSPEC]: New, handling what we killed above.
2511 [PLUS]: Detect and abort on invalid symbol arithmetic.
2512 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
2514 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
2516 * alias.c: Include output.h.
2517 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
2518 different if we're in a varargs function.
2519 * Makefile.in (alias.o): Depend on output.h
2521 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2523 * sh.h (GIV_SORT_CRITERION): Delete.
2525 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
2527 * regclass.c (regclass): Use xmalloc/free instead of alloca.
2528 * stupid.c (stupid_life_analysis): Ditto.
2529 * reload1.c (reload): Ditto.
2531 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2533 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
2534 arith_double_4096_operand, arith_double_add_operand): New
2536 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
2537 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
2538 them to transform add/sub 4096 into add/sub -4096.
2540 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2542 * loop.c (scan_loop): Allocate some slop to handle pseudos
2543 generated by move_movables.
2544 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
2547 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
2549 * tree.def (DECL_RESULT): Correct documentation.
2551 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2553 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
2554 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
2555 conflicts will all RELOAD_FOR_OUTPUT reloads.
2557 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
2558 loads the function result, substitute with a USE.
2560 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2562 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
2563 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
2564 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
2565 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
2566 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
2567 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
2569 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
2570 'o' to 'm' for GPR variant constraints.
2572 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
2574 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
2576 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
2578 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
2579 when the source and destination overlap.
2581 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
2582 clash with global type.
2584 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
2586 * fixinc.irix: Add curses.h handling from fixinc.wrap.
2588 * c-common.c (combine_strings): Also set TREE_READONLY.
2589 Change warn_write_strings to flag_const_strings.
2590 * c-decl.c, c-tree.h: Likewise.
2592 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2594 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
2595 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
2596 sequence, use SET/IOR instead so CSE can see it.
2597 * config/sparc/sparc.md (movhi_const64_special,
2598 movsi_const64_special): New patterns necessitated by that change.
2599 (movhi_high): Remove.
2600 (movhi_lo_sum): Change to match an IOR.
2601 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
2602 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
2603 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
2604 (movdf splits): Allow when not V9 or when not ARCH64 and integer
2605 registers are involved.
2606 (snesi_zero_extend split): Remove reload_completed test.
2607 (unnamed plus and minus zero_extend sidi splits): Add it.
2609 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
2611 * extend.texi: Remove description of extension to explicit
2612 instantiation that is now endorsed by standard C++.
2614 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2616 * config/arc/arc.c (arc_initialize_pic): Remove.
2617 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
2618 nothing on any platform and is invoked by no-one, it does not even
2619 appear in the documentation.
2620 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
2621 * config/sparc/sparc.c (initialize_pic): Likewise.
2622 (find_addr_reg): Remove this as well, no longer referenced after
2625 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
2627 * recog.c (validate_replace_rtx_group): New function.
2628 * recog.h (validate_replace_rtx_group): Declare it.
2629 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
2630 the entire group of substitutions.
2632 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
2634 * loop.c (load_mems): Fix initializers.
2636 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2638 * config/sparc/sparc.md (TFmode splits): Handle destination
2639 registers being referenced in the address correctly.
2641 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
2642 TREE_UNSIGNED, when bitsize of type's mode is larger than
2643 HOST_BITS_PER_WIDE_INT.
2645 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2647 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
2648 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
2649 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
2651 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
2654 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
2656 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
2657 * h8300.h (TINY_DATA_NAME_P): Likewise.
2658 (STRIP_NAME_ENCODING): Handle '&'.
2660 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
2661 register (it could be accessed via an outer SUBREG).
2662 (REG_OK_FOR_BASE_P): Likewwise.
2663 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
2665 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
2668 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
2670 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2672 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
2673 must be offsettable so the splits can be made.
2675 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
2677 * config/i386/winnt.c: Include system.h, not stdio.h to get
2678 sys/param.h pulled in before rtl.h in case the system defines MIN
2681 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
2683 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
2685 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
2687 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
2689 * cpplib.c (cpp_define): Handle macros with parameters.
2691 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
2693 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
2694 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
2695 and DImode 64-bit. Use llong for minimal-toc SFmode and
2696 SYMBOL_REF / LABEL_REF 64-bit.
2697 (output_function_profiler): Use llong for profiler label and ld to
2698 load 64-bit label address.
2700 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
2702 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
2705 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
2707 * version.c: Bump for snapshot.
2709 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
2711 * version.c: Bump for snapshot.
2713 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
2715 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
2717 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
2719 * tm.texi (Misc): Fix typo "teh".
2721 * tm.texi (PIC): Fix typo "PPIC".
2723 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
2724 effect when -O2 and higher.
2725 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
2727 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
2729 * regclass.c: Changed register set documentation to be consistent
2732 * final.c (final_start_function) Removed redundant test for
2735 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
2737 * rtl.h (rtx_function): New type.
2738 (for_each_rtx): New function.
2739 * rtlanal.c (for_each_rtx): Define it.
2741 * recog.c (change_t): New type.
2742 (change_objects, change_old_codes, change_locs, change_olds):
2744 (changes): New variable.
2745 (validate_change): Dynamically allocate room for more changes, if
2746 necessary. Uses changes array instead of change_objects, etc.
2747 (apply_change_group): Use changes array instead of
2748 change_objects, etc.
2750 * loop.c (loop_mem_info): New type.
2751 (loop_mems): New variable.
2752 (loop_mems_idx): Likewise.
2753 (looop_mems_allocated): Likewise.
2754 (scan_loop): Remove nregs parameter.
2755 (next_insn_in_loop): New function.
2756 (load_mems_and_recount_loop_regs_set): Likewise.
2757 (load_mems): Likewise.
2758 (insert_loop_mem): Likewise.
2759 (replace_loop_mem): Likewise.
2760 (replace_label): Likewise.
2761 (INSN_IN_RANGE_P): New macro.
2762 (loop_optimize): Don't pass max_reg_num() to scan_loop.
2763 (scan_loop): Remove nregs parameter, compute it after any new
2764 registers are created by load_mems. Use INSN_IN_RANGE_P and
2765 next_insn_in_loop rather than expanding them inline. Call
2766 load_mems to load memory into pseudos, if appropriate.
2767 (prescan_loop): Figure out whether or not there are jumps from the
2768 loop to targets other than the label immediately following the
2769 loop. Call insert_loop_mem to notice all the MEMs used in the
2770 loop, if it could be safe to pull MEMs into REGs for the duration
2772 (strength_reduce): Use next_insn_in_loop. Tweak comments.
2774 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
2776 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
2778 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2780 * config/sparc/sparc.c (finalize_pic): Check for the correct
2781 nonlocal_goto_receiver UNSPEC number.
2782 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
2783 making note of this dependency existing in sparc.c
2784 (negtf2_notv9 split): Give NEG SFmode.
2785 (negsf2): Fix insn output string.
2787 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
2789 * c-common.c (decl_attributes): Issue an error if the argument
2790 to alias is not a string.
2792 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
2794 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
2795 pending memory flush list.
2797 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
2799 (try_combine): Allow combining insns with REG_LIBCALL notes.
2801 * expr.c (emit_block_move): Do not call memcpy as a libcall
2802 instead build up a CALL_EXPR and call it like any other
2804 (clear_storage): Similarly for memset.
2806 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
2809 * Makefile.in (cplus-dem.o): Provide explicit rules for building
2812 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
2813 and REG_LIVE_LENGTH as successful substitutions are made.
2815 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2817 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
2818 statement after end of loop label.
2820 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2822 * config/sparc/sparc.c (ultra_types_avail): New variable.
2823 (ultra_build_types_avail): New function to record mask of insn
2824 types in ready list at this cycle.
2825 (ultrasparc_sched_reorder): Call it.
2826 (ultra_find_type): Use it to quicken the search. Also simplif
2827 dependency check, don't use rtx_equal_p because we know exactly
2828 what we are looking for.
2830 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
2832 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
2833 for architecture v4.
2835 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2837 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
2839 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
2840 movdf_const_intreg and helper splits): New patterns to move float
2841 constants into integer registers.
2842 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
2845 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
2848 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
2850 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
2852 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
2853 a BASE_REGS register is needed as an intermediate when copying
2854 a symbolic value into any register class other than BASE_REGS.
2856 * expr.c (move_by_pieces): No longer static. Remove prototype.
2857 * rtl.h (move_by_pieces): Add extern prototype.
2858 * mips.c (expand_block_move): Handle aligned straight line copy by
2859 calling move_by_pieces.
2861 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
2864 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
2866 * stmt.c (expand_end_loop): Tidy. Allow unconditional
2867 jumps out of the loop to be treated as part of the exit test.
2869 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2870 Jeff Law <law@cygnus.com>
2872 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
2873 * cplus-dem.c: Delete.
2875 * Makefile.in (fold-const.o): depend on $(RTL_H).
2877 * fold-const.c: Include rtl.h to get the prototype for
2878 `set_identifier_local_value'.
2880 * loop.c (express_from_1): Remove unused variable `tmp'.
2881 (combine_givs): cast the first argument of bzero to char *.
2883 * toplev.c (display_help): Remove unused variable `looking_for_start'.
2885 * c-decl.c (init_decl_processing): Remove unneeded &.
2887 * alpha.h (alpha_initialize_trampoline): Provide prototype.
2889 * except.c (set_exception_lang_code, set_exception_version_code):
2890 Change parameter from `short' to `int' to avoid using a gcc
2893 * except.h (set_exception_lang_code, set_exception_version_code):
2894 Likewise for prototypes.
2896 * flow.c (count_reg_references): Remove unused variables `regno'
2899 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
2901 * prefix.c (translate_name): Cast the result of `alloca'.
2903 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
2905 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2907 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
2909 (valid_dbcc_comparison_p): Mark mode argument as unused.
2910 (symbolic_operand): Likewise.
2911 (legitimize_pic_address): Likewise.
2912 (const_uint32_operand): Likewise.
2913 (const_sint32_operand): Likewise.
2914 * sched.c [!INSN_SCHEDULING]: Define only dummy function
2915 schedule_insns and comment out rest of file.
2917 * m68k.c (output_move_simode_const): Use subl to move a zero into an
2919 (output_move_[hq]imode): Likewise.
2921 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
2923 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
2924 * invoke.texi: Corresponding changes.
2926 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
2928 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
2930 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2932 * config/sparc/sparc.c (ultra_code_from_mask,
2933 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
2934 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
2935 ultrasparc_sched_init, ultrasparc_variable_issue,
2936 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
2937 functions to describe UltraSPARC pipeline exactly to Haifa.
2938 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
2939 as there is nothing the scheduler can do about it. Indicate that
2940 REG_DEP_OUTPUT's collide. Fixup formatting.
2941 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
2942 divide costs on Ultra for DImode.
2943 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
2945 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
2946 ieuN and add call_no_delay_slot to type list.
2947 (cti function unit): New unit for branches on UltraSPARC.
2948 (subx/addx insns): Set type to misc.
2949 (sidi zero/sign extension insns on arch64): Set type to shift.
2950 (sign_extendhidi2_insn): Set type to sload.
2952 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
2954 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
2955 (output_epilog): Use if != 0 for offset.
2956 (rs6000_fatal_bad_address): Prepare for Intl.
2957 * rs6000.h (rs6000_fatal_bad_address): Declare.
2958 * rs6000.md (movsfcc, movdfcc): Use else if.
2959 (elf_high): Use {liu|lis}.
2960 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
2961 (movsi): Use rs6000_fatal_bad_address.
2963 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
2965 * reload.c (find_equiv_reg): Reject equivalences separated
2966 by a volatile instruction.
2968 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2970 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
2972 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
2974 * alpha.md (movsicc): Fix mode mismatch.
2976 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
2978 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
2980 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
2982 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2984 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
2985 write-only modifier from operand 1 constraint.
2987 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2989 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
2990 emitting a XOR of -1 at the end, emit a NOT instead for combine's
2992 (sparc_emit_set_const64): Likewise, also when computing trailing
2993 bits do not negate low_bits and make fast_int an int.
2995 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
2997 * loop.c (add_label_notes): Do not ignore references to labels
2998 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
2999 * gcse.c (add_label_notes): Similarly.
3001 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
3003 * m68k.md (adddi_dilshr32): One of the operands must be a register.
3004 (adddi_dishl32): Similarly.
3006 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
3008 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
3009 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
3010 * cse.c (cse_basic_block): Add parens to shut up warnings.
3012 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3014 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
3015 sparc_emit_set_const64_longway, const64_is_2insns,
3016 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
3017 in 64-bit constant formation.
3018 * config/sparc/sparc.md (snesi_zero_extend split): Generate
3019 rtl for addx not subx.
3020 (define_insn movdi_const64_special): Make available even when
3021 HOST_BITS_PER_WIDE_INT is not 64.
3022 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
3023 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
3024 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
3025 instances of operand 1 inside a QI subreg.
3026 (xordi3_sp64_dbl): Remove '%' constraint for op1.
3027 (one_cmpldi2_sp64): Fix output string.
3028 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
3030 (unnamed arch64 ashift DI): Truncate shift count if greater than
3033 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3035 * expr.c (store_expr): Don't optimize away load-store pair
3036 when either source or destination have a side effect.
3038 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
3040 * genrecog.c (add_to_sequence): Fatal error if the modes of the
3041 operands of SET are incompatible.
3043 * alpha.md: Fix max and min patterns so modes of SET operands match.
3045 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
3047 * configure.in: Avoid [[ by using test and changequote.
3048 * configure: Rebuild.
3050 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3052 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
3054 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
3055 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
3056 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
3057 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
3058 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
3059 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
3060 Fix mismatching modes in SET operands.
3061 (conditional move patterns): Fix formatting.
3062 (unnamed subx arch64 pattern): Remove duplicate insn.
3064 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3066 * config/sparc/sparc.c (const64_operand, const64_high_operand):
3067 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
3068 (input_operand): Fixup test for what we accept for constant
3070 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
3072 (safe_constDI): Remove.
3073 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
3074 gen_safe_XOR64): New functions.
3075 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
3076 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
3078 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
3079 available when HOST_BITS_PER_WIDE_INT is not 64.
3080 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
3081 move before movdi_insn_sp64 pattern.
3082 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
3083 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
3084 symbolic_operand as predicate for second operand.
3085 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
3086 expander): Give set VOIDmode.
3088 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
3090 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
3092 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
3094 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
3096 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
3098 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
3100 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
3102 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
3104 * install.texi: Various SCO OpenServer tweaks.
3106 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
3108 * reload1.c (eliminate_regs_in_insn): Handle another case when
3109 eliminating the frame pointer to the hard frame pointer. Add
3110 missing ep->to_rtx check to one existing case.
3112 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
3114 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
3116 * tree.h: De-conditionalize init_priority code.
3118 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
3119 * collect2.c (NM_FLAGS): Change from -p to -n.
3121 * configure.in: Turn on collect2 for mipstx39-elf.
3122 Handle use_collect2=no properly.
3124 * c-common.c: De-conditionalize init_priority code.
3125 * collect2.c (extract_init_priority, sort_ids): New fns.
3126 (main): Call sort_ids.
3127 Move sequence_number to file scope.
3129 * configure.in: Handle --enable-init-priority.
3130 * c-common.c (attrs): Add A_INIT_PRIORITY.
3131 (init_attributes, decl_attributes): Likewise.
3132 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
3133 * tree.c (get_file_function_name_long): Split out...
3134 (get_file_function_name): ...from here.
3136 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
3138 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
3141 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
3143 * toplev.c (display_help): Add braces to shut up warnings.
3144 * tree.c (simple_cst_equal): Likewise.
3146 * fold-const.c (non_lvalue): Don't deal with null pointer
3148 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
3150 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
3151 of any size to a pointer.
3153 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
3155 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
3157 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
3159 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
3160 which will be saved.
3161 * mn10300.md (prologue insn): Only save registers which need saving.
3162 (epilogue insn): Similarly.
3164 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
3167 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
3169 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
3170 VAR_DECL's in gp addressable sections.
3172 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
3174 * sparc.c: Change return <exp> to <exp>; return; in functions
3176 * sparc.md: Add empty semicolon statement after final label in
3179 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3181 * config/sparc/sparc.md (define_insn addx_extend): Rename to
3182 addx_extend_sp64, only allow when TARGET_ARCH64.
3183 (define_insn addx_extend_sp32 and split): Version that works when
3185 (define_insn subx_extend): Likewise.
3186 (define_split adddi3 and subdi3 with zero extension): Fixup and
3187 correct bugs when not TARGET_ARCH64.
3189 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
3191 * except.c (set_exception_lang_code, set_exception_version_code):
3192 Use prototype-style definition if __STDC__, to match declaration
3195 * genemit.c: Change FAIL and DONE macros not to use loops.
3197 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
3199 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
3200 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
3202 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
3204 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
3206 * README.g77: Update from Craig.
3208 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3210 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
3212 (safe_constDI sparc_emit_set_const64_quick1,
3213 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
3214 analyze_64bit_constant, const64_is_2insns,
3215 create_simple_focus_bits): Fix some bugs when compiled on real
3217 (function_arg_record_value_3, function_arg_record_value_2,
3218 function_arg_record_value): Add fully prototyped forward decls.
3219 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
3220 to cmpsi_insn and use on both 64 and 32 bit targets.
3221 (define_insn cmpsi_insn_sp64): Remove.
3222 (define_expand zero_extendsidi2): Allow for 32-bit target too.
3223 (define_insn zero_extendsidi2_insn): Rename to
3224 zero_extendsidi2_insn_sp64.
3225 (define_insn zero_extendsidi2_insn_sp32): New pattern and
3226 assosciated forced split for it.
3228 * config/sparc/sparc.c (const64_operand, const64_high_operand):
3230 * config/sparc/sparc.h: Declare them.
3231 (PREDICATE_CODES): Add them.
3232 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
3233 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
3235 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
3237 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
3238 in v9 case as the latter makes the Solaris assembler crash.
3240 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3242 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
3243 for TFmode when !v9. We require offsettable memory addresses.
3244 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
3245 DFmode register number conversions.
3246 * config/sparc/sparc.md (define_split DFmode moves): If register
3247 is a SUBREG do alter_subreg on it before using.
3248 (define_expand movtf): Fixup comment about alignment on v9.
3249 (define_split TFmode moves): Don't use gen_{high,low}part, create
3250 explicit SUBREGs instead.
3252 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
3254 * Makefile.in (mbchar.o): Depend on mbchar.c.
3256 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3257 Richard Henderson <rth@cygnus.com>
3259 Rewrite Sparc backend for better code generation and
3260 improved sparc64 support.
3261 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
3263 * config/sparc/sysv4.h: Likewise.
3264 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
3265 move_operand, v8plus_regcmp_op, emit_move_sequence,
3266 singlemove_string, doublemove_string, mem_aligned_8,
3267 output_move_double, output_move_quad, output_fp_move_double,
3268 move_quad_direction, output_fp_move_quad, output_scc_insn):
3270 (small_int_or_double): New predicate.
3271 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
3272 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
3273 old pic_{sethi,lo_sum}_si patterns.
3274 (mem_min_alignment): New generic function to replace
3275 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
3276 available and can test for arbitrary alignments. All callers
3278 (save_regs, restore_regs, build_big_number,
3279 output_function_prologue, output_cbranch, output_return,
3280 sparc_flat_save_restore, sparc_flat_output_function_prologue,
3281 sparc_flat_output_function_epilogue): Prettify
3283 (output_function_epilogue): Likewise and add code to output
3284 deferred case vectors.
3285 (output_v9branch): Likewise, add new arg INSN and use it to tack
3286 on branch prediction settings. All callers changed.
3287 (print_operand): Likewise and output %l44 for LO_SUMs when
3289 (sparc_splitdi_legitimate): New function to make sure DImode
3290 splits can be run properly when !arch64.
3291 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
3292 Reformat example code in comments.
3293 (set_extends): Remove UNSPEC/v8plus_clear_high case.
3294 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
3295 of deferred case vectors we need to output.
3296 (sparc_defer_case_vector): Record a case vector.
3297 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
3298 sparc_output_deferred_case_vectors): New functions to output them.
3299 (sparc_emit_set_const32): New function to form 32-bit constants in
3300 registers when that requires more than one instruction.
3301 (safe_constDI, sparc_emit_set_const64_quick1,
3302 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
3303 analyze_64bit_constant, const64_is_2insns,
3304 create_simple_focus_bits, sparc_emit_set_const64): New functions
3305 which do the same for 64-bit constants when arch64.
3306 (sparc_emit_set_symbolic_const64): New function to emit address
3307 loading for all code models on v9.
3308 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
3309 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
3310 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
3311 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
3312 inaccuracies in comments, add symbolic and text_segment operands
3313 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
3314 GENERAL_REGS in these cases as a temp REG is needed to load these
3315 addresses into a register properly.
3316 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
3318 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
3319 quads are guarenteed to have 16-byte alignment.
3320 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
3321 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
3322 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
3323 deferred case vector implementation.
3324 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
3325 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
3326 Generate "internal label - label" instead of "label - 1b".
3327 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
3328 (PREDICATE_CODES): Remove sparc_operand, move_operand,
3329 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
3331 (doublemove_string, output_block_move, output_fp_move_double,
3332 output_fp_move_quad, output_move_double, output_move_quad,
3333 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
3334 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
3335 (sparc_emit_set_const32, sparc_emit_set_const64,
3336 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
3337 mem_min_alignment, small_int_or_double): Add externs.
3338 * config/sparc/sparc.md: Document the many uses of UNSPEC and
3339 UNSPEC_VOLATILE in this backend.
3340 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
3341 unary to types which execute in it.
3342 (define_function_unit ieu_shift): Rename to ieu0.
3343 (define_function_unit ieu1): New, executes compare, call, and
3344 uncond_branch type insns.
3345 (define_function_units for type fdivs, fdivd, fsqrt): These
3346 execute in the fpu multiply unit not the adder on UltraSparc.
3347 (define_expand cmpdi): Disallow TARGET_V8PLUS.
3348 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
3349 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
3350 allows the arith_double_operand predicate and rHI constraint when
3352 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
3353 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
3354 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
3355 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
3356 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
3357 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
3358 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
3359 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
3360 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
3361 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
3362 sign_extendqihi2_insn, sign_extendqisi2_insn,
3363 sign_extendqidi2_insn, sign_extendhidi2_insn,
3364 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
3365 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
3366 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
3367 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
3368 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
3369 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
3370 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
3371 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
3372 smulsi3_highpart_v8plus, unnamed subreg mult,
3373 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
3374 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
3375 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
3376 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
3377 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
3378 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
3379 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
3380 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
3381 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
3382 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
3383 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
3384 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
3385 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
3386 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
3387 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
3388 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
3389 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
3390 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
3391 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
3392 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
3393 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
3394 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
3395 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
3396 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
3397 call_address_untyped_struct_value_sp32,
3398 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
3399 call_value_symbolic_sp32, call_value_address_sp64,
3400 call_value_symbolic_sp64, branch_sp32, branch_sp64,
3401 flush_register_windows, goto_handler_and_restore,
3402 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
3403 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
3404 return_addsi, return_di, return_adddi, return_sf, all call+jump
3405 peepholes, trap, unnamed trap insns): Prettify output strings.
3406 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
3407 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
3408 Likewise and force + implement splits for integer cases.
3409 (define_insn return_sf_no_fpu): Likewise and allow to match when
3410 no-fpu because of our subreg SFmode splits.
3411 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
3412 zero_extendqidi2_insn, zero_extendhidi2_insn,
3413 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
3414 input_operand for second operand.
3415 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
3416 reg_or_0_operand for operand 2 so new splits can use it.
3417 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
3418 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
3420 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
3421 CONST_DOUBLEs for operand 2.
3422 (define_insn move_label_di): Likewise and label distance
3423 optimization because it no longer works with new deferred case
3424 vector scheme. To be revisited.
3425 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
3426 and allow reg_or_0_operand and J constraint for second operand.
3427 (define_insn jump): Set branch predict taken on V9.
3428 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
3429 new deferred case vector scheme.
3430 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
3431 (define_insn negdi2_sp32): Force + implement splits.
3432 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
3433 one_cmplsi2_not_liveg0 respectively, and create expander of original
3434 names which emit special rtl for TARGET_LIVE_G0.
3435 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
3436 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
3437 gen_compare_reg, FAIL instead.
3438 (define_insn sgtu, sleu): Likewise and check gen_s*() return
3439 values when trying to reverse condition codes, if they FAIL then
3441 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
3442 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
3443 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
3444 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
3445 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
3446 set output string to # to indicate they are mandatory splits.
3447 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
3448 pic_sethi_di, move_pic_label_si): Remove.
3449 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
3450 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
3452 (define_expand movsi_pic_label_ref, define_insn
3453 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
3454 expander and insns to handle PIC label references and deferred
3456 (define_insn get_pc_via_rdpc): Comment out as it is no longer
3458 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
3459 Rewrite to not use emit_move_sequence, make use of new constant
3460 formation code, and new splits for all multi-insn cases.
3461 (define_insn movqi_insn): Remove sethi case, it can never happen.
3462 Use reg_or_zero_operand instead of const0_rtx explicit test,
3463 use input_operand instead of move_operand for source, and use
3464 general_operand now for dest.
3465 (define_insn movhi_insn): Similar but leave sethi case.
3466 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
3467 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
3468 movhi_lo_sum respectively, prettify output string.
3469 (define_insn movsi_zero_liveg0): New pattern to put zero into a
3470 register when needed on TARGET_LIVE_G0.
3471 (define_insn movsi_insn): Use general_operand and input_operand
3472 for dest and src respectively. Simplify applicability test.
3473 Prettify output strings, and add clr alternative for J
3475 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
3476 deprecated std and reg-reg DI moves): Remove and...
3477 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
3478 implementation which uses forced splits for all non-single insn
3480 (define_split DI move cases on !arch64): New splits to handle all
3481 situations of 64-bit double register DImode on 32bit, and
3482 unaligned registers and memory addresses for all subtargets.
3483 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
3485 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
3486 input_operand for dest and src respectively, prettify output
3488 (define_insn movdf_insn, movdf_no_e_insn, store_df,
3489 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
3491 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
3492 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
3493 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
3494 movtf_no_e_insn_sp64) Replace with new
3495 implementation which uses forced splits for all non-single insn
3497 (define_split DF move cases): New splits in similar vein to DI
3499 (define_insn sethi_di_medlow, sethi_di_medium_pic,
3500 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
3501 movdi_sp64_insn): Remove old v9 code model and constant loading
3503 (define_insn pic_lo_sum_di, pic_sethi_di,
3504 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
3505 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
3506 embmedany_sethi, embmedany_losum, embmedany_brsum,
3507 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
3508 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
3509 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
3510 scheme, using unspecs, secondary reloads, and one to one sparc
3511 insn to rtl insn mapping for better scheduling and code gen.
3512 (define_expand reload_indi, reload_outdi): Reload helpers for
3513 MEDANY and EMBMEDANY symbol address loading cases which require a
3515 (define_expand movsicc): Remove v8plus_regcmp cases.
3516 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
3517 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
3518 cmp_diqi_trunc_set): New patterns used by some of the new scc
3520 (define_insn xordi3_sp64_dbl): New pattern used for constant
3521 formation when crossing from 32-bit targets.
3522 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
3524 (define_insn addx, subx): Make visible and prettify.
3525 (define_insn adddi3_insn_sp32): Likewise and force split.
3526 (define_insn addx_extend, subx_extend, unnamed): New patterns for
3527 64bit scc split usage.
3528 (define_insn unnamed plusDI zero_extend, unnamed minusDI
3529 zero_extend, subdi3): Force and implement splits.
3531 * final.c (final_scan_insn): Don't output labels if target
3532 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
3535 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
3536 don't forget to walk inside SEQUENCESs too as these are what the
3537 delay slot scheduler will create.
3539 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
3541 * alpha.md (extxl+1,+2): New patterns to work around
3544 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
3546 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
3547 caused bad assembly code to be generated.
3549 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
3551 * netbsd.h: Fix typo.
3553 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
3555 * config.sub: Fix typo.
3557 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
3559 * invoke.texi (Environment Variables): Typo: Change "ascpects"
3561 (Running Protoize): Typo: Change "ther" into "other".
3563 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
3565 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
3566 * m68k/netbsd.h: Likewise.
3567 * ns32k/netbsd.h: Likewise.
3568 * sparc/netbsd.h: Likewise.
3570 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
3572 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
3573 * ginclude/va-clipper.h (va_list): Likewise.
3575 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
3577 * rs6000.c (rs6000_override_options): If big endian and -Os, use
3578 load/store multiple instructions unless user overrides.
3580 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
3582 * ns32k/netbsd.h: Fix typo.
3584 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
3586 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
3587 labels with .debugsym if no parallel insns.
3589 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
3591 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
3592 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
3594 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
3596 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
3597 (AR_FOR_TARGET): Define.
3599 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
3601 * dyn-string.h: New file.
3602 * dyn-string.c: Likewise.
3603 * Makefile.in (OBJS): Add dyn-string.o.
3604 (dwarf2out.o): Add dyn-string.h dependency.
3605 (dyn-string.o): List dependencies.
3606 * dwarf2out.c: Include dyn-string.h.
3607 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
3608 (addr_const_to_string): Take a dyn_string_t, not a char* as a
3609 prototype. Use dyn_string_append rather than strcat, throughout.
3610 (addr_to_string): Use dyn_string_t.
3612 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
3614 Function entry/exit profiling instrumentation:
3615 * expr.h (profile_function_entry_libfunc,
3616 profile_function_exit_libfunc): Declare new variables.
3617 * optabs.c: Define them here.
3618 (init_optabs): Initialize them.
3619 * tree.h (struct tree_decl): New flag
3620 no_instrument_function_entry_exit.
3621 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
3622 * c-decl.c (duplicate_decls): Merge it.
3623 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
3624 (init_attributes): Use it for "no_instrument_function".
3625 (decl_attributes): Handle it, for functions that have not yet been
3626 compiled. Set decl flag.
3627 * flags.h (flag_instrument_function_entry_exit): Declare new
3629 * toplev.c (flag_instrument_function_entry_exit): Define it here.
3630 (f_options): New option "instrument-functions".
3631 * function.h (struct function): New field instrument_entry_exit.
3632 * function.c (current_function_instrument_entry_exit): New
3634 (push_function_context_to, pop_function_context_from): Save and
3636 (expand_function_start): Set current_ variable, maybe emit return
3637 label and entry profile call.
3638 (expand_function_end): Maybe emit exit profile call.
3640 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
3642 * i386.md (movqi): When optimizing a load of (const_int 1) into a
3643 NON_QI_REG_P, pretend the register is SImode.
3645 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
3647 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
3648 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
3649 manufacturer id for ns32k.
3650 * configure: Regenerated.
3651 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
3652 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
3653 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
3654 * config/m68k/netbsd.h: Same.
3655 * config/ns32k/netbsd.h: Same.
3656 * config/sparc/netbsd.h: Same.
3658 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
3660 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
3661 or UNROLL_COMPLETELY loop that starts with a jump to its
3664 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
3666 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
3667 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
3668 (print_operand, case 'B'): Don't fall through.
3669 (print_operand, case 'S'): Correct mask begin/end computation.
3670 Use HOST_BITS_PER_WIDE_INT.
3671 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
3672 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
3673 * rs6000/aix41.h (CPP_PREDEFINES): Same.
3674 * rs6000/aix43.h (CPP_PREDEFINES): Same.
3676 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
3678 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
3679 constraint from second alternative.
3681 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
3683 * configure.in: Fix --without/--disable cases for local-prefix,
3684 gxx-include-dir and checking.
3686 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3688 * configure.in (enable_haifa): Set by default for sparc64 too.
3691 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
3693 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
3694 * i386/winnt.c (associated_type): New fn.
3695 (i386_pe_valid_type_attribute_p): New fn.
3696 (i386_pe_check_vtable_importexport): Remove.
3697 (i386_pe_dllexport_p): Use associated_type.
3698 (i386_pe_dllimport_p): Likewise.
3700 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
3701 * i386.c (i386_valid_type_attribute_p): Also accept
3702 attributes for METHOD_TYPEs.
3704 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
3706 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
3708 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
3710 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
3712 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
3713 them from generating a new base name for each occurence of
3716 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
3718 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
3720 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
3724 * cplus-dem.c (type_kind_t): New type.
3725 (demangle_template_value_parm): Add type_kind_t parameter. Rely
3726 on this paramter, rather than demangling the type again.
3727 (demangle_integral_value): Pass tk_integral.
3728 (demangle_template_: Pass the value returned from do_type.
3729 (do_type): Return a type_kind_t. Pass tk_integral to
3730 demangle_template_value_parm for array bounds.
3731 (demangle_fund_type): Likewise.
3733 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
3735 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
3738 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
3740 * pa.c (move_operand): Accept CONSTANT_P_RTX.
3742 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
3744 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
3746 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
3749 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
3751 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
3752 (DEBUGGER_ARG_OFFSET): Likewise.
3754 * mn10300.md (movsf): Remove last change. Not needed.
3756 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
3758 * c-lex.c (yylex): Fix boundary conditions in character literal and
3759 string literal loops.
3761 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
3763 * longlong.h (count_leading_zeros): Sparclite scan instruction was
3764 being invoked incorrectly.
3766 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
3767 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
3769 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
3770 * configure.in: Added i[34567]86-*-win32
3771 * config.sub: Ditto.
3772 * configure: Rebuilt.
3774 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
3776 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
3777 the frame pointer and compiling PIC code and reload has not completed.
3779 * i386.c (output_to_reg): Add code to emulate non-popping DImode
3782 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
3784 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
3786 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3788 * Makefile.in (install-info): Only try to update the info
3789 directory file if it exists in the first place.
3791 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
3793 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
3795 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
3797 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
3798 CONST_DOUBLE source.
3800 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
3802 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
3803 strings as the insertion of USER_LABEL_PREFIX.
3804 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
3806 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
3809 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
3811 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
3812 already defined type.
3814 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
3816 * expr.c (check_max_integer_computation_mode): Allow conversions
3817 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
3818 (expand_expr): Likewise.
3820 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3822 * expr.c (expand_expr): Expand RETURN_EXPR.
3824 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
3826 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
3828 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
3830 * dwarf2out.c (output_aranges): Call stripattributes
3831 for TEXT_SECTION references.
3832 (output_line_info): Likewise.
3834 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3836 * profile.c (branch_prob): Call allocate_reg_info after outputting
3837 profile rtl in instrument_arcs.
3839 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
3841 * fixinc.irix (math.h): Install wrapper instead of copying.
3843 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3845 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
3846 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
3847 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
3848 lang_flag_0. Added documentation in the flag table.
3850 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
3852 * cccp.c (do_include): Fix vax c style include handling.
3854 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
3856 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
3858 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
3860 * fold-const.c (non_lvalue): Don't deal with null pointer
3862 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
3864 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
3866 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
3867 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
3868 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
3869 (u_short_cint_operand): Same.
3870 (reg_or_cint_operand): Same.
3871 (logical_operand): Same.
3872 (input_operand): Same.
3873 (reg_or_short_operand): Use u_short_cint_operand.
3875 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
3877 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
3878 but keep the insns and splits. Adjust so when the ultimate destination
3879 is memory, use cvtql.
3881 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
3883 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
3885 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
3887 * gcc.c (do_spec): Call "error" not "warning".
3889 * configure.in: Fix minor problems with gas feature detection code.
3890 * configure: Rebuilt.
3892 * gcc.c (do_spec): Issue a warning for '%[]' usage.
3895 * gcc.c: Delete %[spec] support.
3896 (do_spec_1, case '('): Likewise.
3897 (do_spec_1, case '['): Call error.
3899 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
3901 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
3902 (CPP_SUBTARGET_SPEC): Default to empty string.
3903 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
3904 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
3905 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
3906 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
3908 * alpha/linux.h (CPP_PREDEFINES): Tidy.
3909 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
3910 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
3911 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
3912 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
3913 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
3914 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
3915 * alpha/vxworks.h: Likewise.
3917 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
3919 * mips.md (reload_outsi): Added missing REGNO call.
3920 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
3922 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
3923 another match_operator and compare the codes.
3925 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
3927 * MIPS multiply pattern fixes:
3928 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3929 Add union classes for HI, LO, or HILO plus general registers.
3930 (GENERATE_MADD): Deleted.
3931 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
3932 Add TARGET_MAD to condition.
3933 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
3934 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
3935 "*d" for accumulator, to give preference to LO initially but not
3938 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
3940 * configure.in (enable_c_mbchar): New configure option.
3941 (extra_cpp_objs): Always available now.
3943 * cexp.y (mbchar.h): #include it.
3944 (yylex): Handle Multibyte characters in character literals.
3946 * cccp.c (mbchar.h): #include it.
3947 (main): Set character set based on LANG environment variable.
3948 (rescan): Handle multibyte characters in comments.
3949 (skip_if_group): See above.
3950 (validate_else): See above.
3951 (skip_to_end_of_comment): See above.
3952 (macarg1): See above.
3953 (discard_comments): See above.
3954 (rescan): Handle multibyte characters in string and character literals.
3955 (collect_expansion): See above.
3956 (skip_quoted_string): See above.
3957 (macroexpand): See above.
3958 (macarg1): See above.
3959 (discard_comments): See above.
3960 (change_newlines): See above.
3962 * c-lex.c (mbchar.h): #include it.
3963 (GET_ENVIRONMENT): New macro.
3964 (init_lex): Set character set based on LANG environment variable.
3965 (yylex): Handle multibyte characters in character literals.
3966 (yylex): Handle multibyte characters in string literals.
3968 * Makefile.in (mbchar.o): New target.
3969 (cccp$(exeext)): @extra_cpp_objs@ is always available.
3970 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
3972 * mbchar.[ch]: New files for multibyte character handling.
3974 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3976 * jump.c (jump_optimize): When simplifying noop moves and
3977 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
3978 the PUSHes to rewrite in second loop as we did in the first.
3980 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3982 * cplus-dem.c (demangle_nested_args): Make function definition
3983 static to match the prototype.
3985 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
3987 * alloca.c: Respect USE_C_ALLOCA.
3988 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
3989 * gengenrtl.c (xmalloc): Likewise.
3991 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
3993 * loop.h (struct induction): Add no_const_addval.
3994 * loop.c (the_movables, reg_address_cost): New variables.
3995 (init_loop): Init reg_address_cost.
3996 (loop_optimize): Call end_alias_analysis.
3997 (scan_loop): Init the_movables.
3998 (record_giv): Init induction->no_const_addval.
3999 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
4000 [REG]: Rearrange loop search test to catch more cases.
4001 (general_induction_var): Return success not benefit; take an extra
4002 argument for that. Change all callers.
4003 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
4004 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
4005 [default]: Search the_movables for additional combinations.
4006 (sge_plus_constant, sge_plus): New functions.
4007 (express_from_1): New function.
4008 (express_from): Always define. Rewrite using express_from_1.
4009 (combine_givs_p): Handle more cases. Ignore address cost.
4010 (cmp_combine_givs_stats): New function.
4011 (combine_givs_used_once, combine_givs_benefit_from): New functions.
4012 (combine_givs): Rewrite to do best-fit combination.
4014 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
4015 (fold): Do a complete (A*C)+(B*C) association check.
4017 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
4019 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
4021 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
4023 * mn10300.c (MODES_TIEABLE_P): Fix typo.
4025 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
4027 * tree.c (valid_machine_attribute): Only create a new type variant if
4028 there is a decl to use it.
4030 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
4032 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
4035 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
4037 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
4040 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
4042 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
4043 Simplify tests for clearing an address register.
4044 (expand_prologue): Corresponding changes.
4046 * mn10300.md (movXX patterns): Make sure the destination is an
4047 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
4048 (logical patterns): Split into expanders + patterns
4049 (zero and sign extension patterns): Similarly.
4050 (shift patterns): Similarly.
4052 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
4054 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
4055 for the sequence, recording base values.
4057 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
4059 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
4061 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
4063 * gcc.c: Remove ANSI-C ism from --help code.
4065 * toplev.c: Support --help with USE_CPPLIB.
4067 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
4069 * configure.in: Rework gas feature code to work with symlink based
4072 * extend.texi: Clarify some issues related to local variables
4073 assigned to explicit registers.
4075 * mn10300.md (mulsi): Turn into expander + pattern.
4077 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
4080 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
4082 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
4084 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
4086 * version.c: Bump again to distinguish mainline tree from the
4089 See ChangeLog.0 for earlier changes.
4092 add-log-time-format: current-time-string