1 1998-06-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3 * expr.c (expand_assignment): Rework address calculation for structure
4 field members to expose more invariant computations to the loop
6 (expand_expr): Likewise.
8 Wed Jun 24 22:44:22 1998 Jeffrey A Law (law@cygnus.com)
10 * local-alloc.c (block_alloc): Do not try to avoid false dependencies
11 when SMALL_REGISTER_CLASSES is nonzero.
13 Wed Jun 24 17:55:15 1998 Klaus Kaempf <kkaempf@progis.de>
15 * alpha.md (call_vms, call_value_vms): Strip leading * from symbol.
17 Wed Jun 24 16:27:23 1998 John Carr <jfc@mit.edu>
19 * expr.c (get_memory_rtx): New function.
20 (expand_builtin): Call get_memory_rtx for MEM arguments to builtin
23 * expmed.c (init_expmed): Initialize all elements of *_cost arrays.
25 * optabs.c: Use gen_rtx_FOO (...) instead of gen_rtx (FOO, ...).
28 * combine.c: Likewise.
29 * reload1.c: Likewise.
32 Wed Jun 24 15:13:01 1998 Dave Brolley <brolley@cygnus.com>
34 * README.gnat: Add patch for new lang_decode_options interface.
36 Wed Jun 24 09:14:04 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
38 * except.c (start_catch_handler): Do nothing if EH is not on.
40 1998-06-24 Manfred Hollstein <manfred@s-direktnet.de>
42 * configure.in (gxx_include_dir): Initialize default value depending on
43 new flag --enable-version-specific-runtime-libs; remove superfluous default
44 initialization afterwards.
45 * configure: Regenerate.
47 Wed Jun 24 01:32:12 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
49 * toplev.c (rest_of_compilation): Revert May 15 change.
51 Tue Jun 23 21:27:27 1998 Ken Raeburn <raeburn@cygnus.com>
53 * reload.c (find_reloads): Fix check for failure to match any
54 alternative, to account for Mar 26 change in initial "best" cost.
56 Tue Jun 23 16:44:21 1998 Dave Brolley <brolley@cygnus.com>
58 * cpplib.c (do_line): Typo broke #line directive.
59 (cpp_message_from_errno): New function.
60 (cpp_error_from_errno): Call cpp_message_from_errno.
61 * cpplib.h (cpp_message_from_errno): New function.
63 Tue Jun 23 13:38:18 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
65 * libgcc2.c (__get_eh_table_version, __get_eh_table_language): New
66 functions to return exception descriptor information.
67 (find_exception_handler): Pass match_info field to runtime matcher,
68 not a descriptor table entry.
70 Tue Jun 23 09:30:58 1998 Dave Love <d.love@dl.ac.uk>
72 * cpp.texi, gcc.texi: Add @dircategory, @direntry meant to
73 accompany previous Makefile.in (install-info) change.
75 Tue Jun 23 10:06:07 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
77 * eh-common.h (struct __eh_info): Remove coerced value field.
78 * libgcc2.c (find_exception_handler): Don't set coerced_value field.
79 * except.c (get_dynamic_handler_chain, get_dynamic_cleanup_chain): Use
80 POINTER_SIZE instead of Pmode.
81 (expand_start_all_catch): Call start_catch_handler() if we are not
82 using new style exceptions.
84 Tue Jun 23 06:45:00 1998 Catherine Moore <clm@cygnus.com>
86 * varasm.c (assemble_variable): Remove reference to warn_bss_align.
88 Mon Jun 22 23:57:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
90 * config/sparc/sparc.md (zero_extendhidi2, extendhisi2,
91 extendqihi2, extendqisi2, extendqidi2, extendhidi2, adddi3,
92 subdi3, negdi2, call, call_value, untyped_return, nonlocal_goto,
93 splits and peepholes): Change remaining generic gen_rtx calls to
95 * config/sparc/sparc.c: Likewise.
97 Mon Jun 22 22:21:46 1998 Richard Henderson <rth@cygnus.com>
99 * gcc.c (handle_braces): Recognize | between options as an or.
101 Mon Jun 22 23:13:47 1998 John Wehle (john@feith.com)
103 * i386/freebsd-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Define as flag_pic.
104 * i386/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Define as flag_pic.
106 * i386.md (exception_receiver): Define.
108 Mon Jun 22 12:01:48 1998 Jim Wilson <wilson@cygnus.com>
110 * Makefile.in (PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME,
111 PROTOIZE_CROSS_NAME, UNPROTOIZE_CROSS_NAME): New variables.
112 (install-common): Use them.
114 * gcse.c (add_label_notes): New function.
115 (pre_insert_insn): Call it.
116 * unroll.c (unroll_loop): Look for insns with a REG_LABEL note, and
117 pass the label to set_label_in_map.
119 Mon Jun 22 19:01:14 1998 Dave Love <d.love@dl.ac.uk>
121 * Makefile.in (install-info): Fix typpo in previous change.
123 Mon Jun 22 11:10:00 1998 Catherine Moore <clm@cygnus.com>
125 * varasm.c (assemble_variable): Emit alignment warning.
127 Mon Jun 22 08:18:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
129 * Makefile.in (varasm.o): Depend on sdbout.h.
130 (sdbout.o): Depend on toplev.h.
132 * collect2.c (scan_prog_file): Cast fprintf argument to `long' and
135 * final.c (shorten_branches): Cast first arg of `bzero' to char *.
137 * genextract.c (main): When creating insn-extract.c, mark variable
138 `i' with ATTRIBUTE_UNUSED.
140 * genpeep.c (main): When creating insn-peep.c, mark variables
141 `insn', `x' and `pat' with ATTRIBUTE_UNUSED.
143 * objc/init.c (__objc_tree_print): Wrap function definition in
146 * objc/objc-act.c (encode_array): Cast sprintf argument to `long'
147 and use %ld specifier.
148 (adorn_decl): Likewise, twice.
150 * reload1.c (reload_cse_regs): Cast first arg of `bzero' to char *.
152 * sdbout.c: Include output.h and toplev.h.
153 (PUT_SDB_INT_VAL): Use HOST_WIDE_INT_PRINT_DEV to print argument
154 `a'. Cast `a' to HOST_WIDE_INT to force it to always be so.
155 (PUT_SDB_SIZE): Likewise.
157 * sdbout.h (sdbout_mark_begin_function): Add prototype.
159 * stmt.c (check_for_full_enumeration_handling): Cast argument of
160 `warning' to long and use %ld specifier.
162 * toplev.c (main): Likewise for `fprintf'.
164 * toplev.h (output_file_directive): Add prototype.
166 * unroll.c (unroll_loop): Use HOST_WIDE_INT_PRINT_DEC specifier in
168 (precondition_loop_p): Likewise.
170 * varasm.c Include sdbout.h.
171 (assemble_static_space): Move sometimes-unused variable `rounded'
172 into the scope in which it is used.
174 * mips.c (gpr_mode): Don't say `static' twice.
176 * cpplib.c (cpp_handle_option): Don't pass unneeded NULL to cpp_fatal.
178 * objc/objc-act.c (init_selector): Hide prototype and definition.
180 * optabs.c (gen_cond_trap): Remove unused variable `icode'.
182 * regmove.c (copy_src_to_dest): Likewise for `i'.
184 * mips-tfile.c (add_local_symbol): Cast width format specifier to int.
185 (add_ext_symbol): Likewise.
186 (add_file): Likewise.
187 (parse_def): Likewise.
188 (write_varray): Use HOST_PTR_PRINTF to print a pointer. Fix
189 remaining format specifiers and arguments.
190 (write_object): Likewise, several times.
191 (read_seek): Likewise.
192 (out_of_bounds): Likewise.
193 (allocate_cluster): Likewise.
196 (xrealloc): Likewise.
199 * mips-tdump.c (print_symbol): Likewise.
201 Sun Jun 21 17:05:34 1998 Dave Love <d.love@dl.ac.uk>
203 * Makefile.in (install-info): Use install-info program if
204 available, per GNU standard.
206 Sun Jun 21 18:56:44 1998 Jeffrey A Law (law@cygnus.com)
208 * invoke.texi: Document -mrelax for the mn10300 and mn10200.
210 * basic-block.h (init_regset_vector): Delete declaration.
211 * flow.c (init_regset_vector): Make it static and add a prototype.
213 * bitmap.h (debug_bitmap): Declare.
215 * haifa-sched.c (debug_ready_list): Make static.
217 * toplev.h (fancy_abort): Declare.
219 Sun Jun 21 18:30:13 1998 H.J. Lu (hjl@gnu.org)
221 * basic-block.h (init_regset_vector): New declaration.
223 * Makefile.in (sdbout.o): Add insn-codes.h to dependency.
225 * global.c: Include machmode.h amd move hard-reg-set.h before
228 * haifa-sched.c (insn_issue_delay, birthing_insn_p,
229 adjust_priority, print_insn_chaino): New declaration.
230 (schedule_insns): Remove declaration.
231 (init_target_units, get_visual_tbl_length,
232 init_block_visualization): Add prototype.
234 * integrate.c (pushdecl, poplevel): Remove declaration.
236 * rtl.h (expand_expr): Remove declaration.
238 * loop.c (oballoc): Remove declaration.
239 (replace_call_address): Add prototype.
241 Sun Jun 21 01:08:17 PDT 1998 Jeff Law (law@cygnus.com)
243 * version.c: Bump for snapshot.
245 Sun Jun 21 01:16:38 1998 John Wehle (john@feith.com)
247 * i386.c (output_fp_conditional_move): Don't bother handling
248 (cc_prev_status.flags && CC_NO_OVERFLOW) since the INSN patterns
249 prevent this from happening.
251 * i386.md (nonlocal_goto_receiver): Delete.
253 Sun Jun 21 00:42:20 1998 H.J. Lu (hjl@gnu.org)
255 * Makefile.in (crtbeginS.o, crtendS.o): Add -fno-exceptions and
257 (INSTALL): cd $(srcdir) before make.
259 * flow.c (allocate_for_life_analysis, init_regset_vector):
262 * function.h (get_first_block_beg): New declaration.
264 * gbl-ctors.h (__do_global_dtors): Add prototype.
266 * gcov-io.h (__fetch_long): New declaration.
267 (__store_long): Likewise.
268 (__read_long): Likewise.
269 (__write_long): Likewise.
271 * gcov.c (print_usage): New declaration.
273 * Makefile.in (c-iterate.o): Depend on insn-codes.h too.
275 Sat Jun 20 00:36:16 1998 Jeffrey A Law (law@cygnus.com)
277 * calls.c (expand_call): Initialize "src" and "dest".
278 * stmt.c (expand_return): Likewise.
279 * expmed.c (extract_split_bit_field): Similarly for "result"
280 * gcse.c (compute_hash_table): Mark first arg as unused.
281 * jump.c (jump_optimize): Initialize reversep.
282 * tree.c (make_node): Initialize length.
284 * c-common.c (check_format_info): Initialize length_char and
285 fci to keep -Wall quiet.
287 * except.c (jumpif_rtx): Put declaration and definition
288 inside a suitable #ifdef.
289 (jumpifnot_rtx): Delete dead function.
291 * i386.h (output_int_conditional_move): Declare.
292 (output_fp_conditional_move): Likewise.
293 (ix86_can_use_return_insn_p): Likewise.
295 * optabs.c (init_traps): Put prototype inside a suitable #ifdef.
297 Sat Jun 20 00:27:40 1998 Graham <grahams@rcp.co.uk>
299 * alias.c: Include toplev.h
300 * caller-save.c: Include toplev.h
301 * combine.c: Include toplev.h
302 * flow.c Include toplev.h
303 * global.c: Include toplev.h
304 * jump.c: Include toplev.h
305 * local-alloc.c: Include toplev.h
306 * loop.c: Include toplev.h
307 * regmove.c: Include toplev.h
308 * stupid.c: Include toplev.h
309 * unroll.c: Include toplev.h
310 * Makefile.in: Add toplev.h dependencies.
312 Fri Jun 19 22:40:25 1998 Jason Merrill <jason@yorick.cygnus.com>
314 * regmove.c (copy_src_to_dest): Add decl for loop_depth.
316 * svr4.h (ASM_GENERATE_INTERNAL_LABEL): Cast arg to unsigned.
317 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA1): Likewise.
318 Add parens to various macros.
320 Fri Jun 19 23:22:42 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
322 * c-typeck.c (pop_init_level): Warn about implicit zero initialization
325 Fri Jun 19 23:06:33 1998 Jason Merrill <jason@yorick.cygnus.com>
327 * varasm.c (assemble_start_function): Add weak_global_object_name.
328 * tree.c (get_file_function_name): Use it.
330 Fri Jun 19 22:55:14 1998 Jeffrey A Law (law@cygnus.com)
332 * except.c (jumpif_rtx): Make static and add prototype.
333 (jumpifnot_rtx): Likewise.
335 * README.gnat: Add a build patch from Fred Fish.
337 * c-lang.c (GNU_xref_begin, GNU_xref_end): Deleted.
339 * Makefile.in (c-iterate.o): Depend on expr.h.
341 Fri Jun 19 20:38:34 1998 H.J. Lu (hjl@gnu.org)
343 * except.h (emit_unwinder, end_eh_unwinder): Removed.
345 * dwarfout.c (getpwd): Add prototype.
346 (is_pseudo_reg, type_main_variant, is_tagged_type,
347 is_redundant_typedef): New declaration.
348 (output_decl): Add prototype for FUNC.
349 (type_main_variant): Make it static.
350 (is_tagged_type): Likewise.
351 (is_redundant_typedef): Likewise.
353 * expr.c (do_jump_by_parts_greater_rtx): Removed.
354 (truthvalue_conversion): Likewise.
356 * c-iterate.c: Include "expr.h".
357 (expand_expr): Use proper values when calling the function.
359 * explow.c (emit_stack_save): Add prototype for FCN.
360 (emit_stack_restore): Likewise.
362 * dwarf2out.c (getpwd): Add prototype.
364 * dwarf2out.h (debug_dwarf, debug_dwarf_die): New declarations.
366 * c-typeck.c (c_expand_asm_operands): Use proper values when calling
369 * c-lex.c (yyprint): Add prototype.
370 (check_newline, build_objc_string): Remove declaration.
372 * c-tree.h (comptypes_record_hook): Removed.
373 (finish_incomplete_decl): New prototype.
375 * alias.c (find_base_value): Add prototype.
376 (true_dependence): Add prototype for function argument.
378 * c-aux-info.c (xmalloc): Remove declaration.
380 Fri Jun 19 20:23:05 1998 Robert Lipe <robertl@dgii.com>
382 * i386.c: Include system.h. Remove redundant includes.
383 (optimization_options): Mark param 'size' with ATTRIBUTE_UNUSED.
384 (i386_cc_probably_useless_p): Likewise for 'decl', 'attributes',
385 'identifier', 'args'.
386 (i386_valid_type_attribute_p): Likewise for 'attributes'.
387 (i386_comp_type_attribute_p): Likewise for 'type1', 'type2'.
388 (function_arg_partial_nregs): Likewise for 'cum', 'mode', 'type',
390 (symbolic_operand): Likewise for 'mode'.
391 (call_insn_operand): Likewise.
392 (expander_call_insn_operand): Likewise.
393 (ix86_logical_operator): Likewise.
394 (ix86_binary_operator_ok): Likewise.
395 (emit_pic_move): Likewise.
396 (VOIDmode_compare_op): Likewise.
398 (str_immediate_operand): Likewise.
399 (ix86_uary_operator_ok): Likewise for 'code', 'mode', and 'operands'.yy
400 (asm_output_function_prefix): Likewise for 'name'.
401 (function_prologue): Likewise for 'file', and 'size'.
402 (function_epilogue): Likewise.
404 1998-06-19 Jim Wilson <wilson@cygnus.com>
406 * loop.h (struct induction): Clarify comment for unrolled field.
407 * unroll.c (find_splittable_givs): Move set of unrolled field
408 after address validity check.
410 Fri Jun 19 18:38:04 1998 Michael Meissner <meissner@cygnus.com>
412 * config/fp-bit.c (INLINE): Only define if not already defined.
414 1998-06-19 Manfred Hollstein <manfred@s-direktnet.de>
416 * Makefile.in (installdirs): Loop over directories in $(libsubdir)
417 creating probably missing ones, instead of single if statements.
419 Fri Jun 19 10:43:52 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
421 * c-common.c (truthvalue_conversion): Protect side effects in the
422 expression when splitting a complex value.
423 * fold-const.c (fold): Likewise.
425 Fri Jun 19 02:31:16 1998 Klaus Kaempf (kkaempf@progis.de)
427 * cccp.c (hack_vms_include_specification): rewrite to handle
428 '#include <dir/file.h>' correctly.
430 Fri Jun 19 02:24:11 1998 H.J. Lu (hjl@gnu.org)
432 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Defined.
434 Fri Jun 19 02:10:10 1998 John Wehle (john@feith.com)
436 * i386.c (notice_update_cc): Integer conditional moves don't
439 * i386.md (movsfcc, movdfcc, movxfcc): Use emit_store_flag
440 to support LT, LE, GE, and GT signed integer comparisons.
441 (movsfcc+1, movsfcc+2, movdfcc+1, movdfcc+2,
442 movxfcc+1, movxfcc+2): Pattern doesn't match if the comparison
443 is LT, LE, GE, or GT.
444 (movdicc): Remove code resulting from an earlier patch which
445 didn't apply correctly.
447 Fri Jun 19 02:00:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
449 * reload1.c (reload_cse_regno_equal_p): If -ffloat-store, don't
450 consider a MEM in FP mode as equal.
452 Fri Jun 19 01:02:17 1998 Jeffrey A Law (law@cygnus.com)
454 * c-decl.c (duplicate_decls): Avoid setting TREE_ASM_WRITTEN for
455 duplicate declarations of a function.
457 Fri Jun 19 00:33:33 1998 H.J. Lu (hjl@gnu.org)
459 * config/float-i386.h: New.
461 * configure.in (i[34567]86-*-linux-*): Set float_format to i386.
463 Thu Jun 18 20:11:00 1998 Jim Wilson <wilson@cygnus.com>
465 * sched.c (schedule_insns): Use xmalloc not alloca for max_uid
466 indexed arrays. Call free at the end of the function for them.
467 * haifa-sched.c (schedule_insns): Likewise.
469 Thu Jun 18 18:16:01 1998 Jim Wilson <wilson@cygnus.com>
471 * dwarf2out.c (size_of_string): Do count backslashes.
473 Thu Jun 18 11:43:54 1998 Nick Clifton <nickc@cygnus.com>
475 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow REG+REG
476 addressing when one register is the frame pointer or stack
477 pointer. Disallow REG+CONST addressing in HI mode.
479 Thu Jun 18 17:30:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
481 * reload.c (find_reloads): Don't narrow scope of RELOAD_OTHER to
484 Thu Jun 18 09:36:50 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
486 * Makefile.in (c-lang.o): Depend on output.h.
488 * c-lang.c: Include output.h.
490 * sparc.c (sparc_builtin_saveregs): Remove unused variable `fntype'.
492 * except.c (expand_builtin_eh_stub): Likewise for variable `jump_to'.
494 * genrecog.c (write_subroutine): When writing insn-recog.c, mark
495 variables `insn', `pnum_clobbers', `x[0 .. max_depth]' and `tem'
496 with ATTRIBUTE_UNUSED.
498 * regmove.c (copy_src_to_dest): Make function static to match its
501 * reload1.c Include hard-reg-set.h before rtl.h to get macro
502 HARD_CONST. Include machmode.h before hard-reg-set.h.
504 * rtl.h: Prototype `retry_global_alloc' and wrap with macro
505 HARD_CONST to protect usage of typedef HARD_REG_SET.
507 * tree.c: Prototype `_obstack_allocated_p'.
509 * varasm.c: Wrap prototype of `asm_output_aligned_bss' in macro
512 Thu Jun 18 09:20:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
514 * pa.c: Include system.h and toplev.h. Remove redundant code.
515 (call_operand_address): Mark parameter `mode' with ATTRIBUTE_UNUSED.
516 (symbolic_operand): Likewise.
517 (symbolic_memory_operand): Likewise.
518 (pic_label_operand): Likewise.
519 (fp_reg_operand): Likewise.
520 (pre_cint_operand): Likewise.
521 (post_cint_operand): Likewise.
522 (ireg_or_int5_operand): Likewise.
523 (int5_operand): Likewise.
524 (uint5_operand): Likewise.
525 (int11_operand): Likewise.
526 (uint32_operand): Likewise.
527 (ior_operand): Likewise.
528 (lhs_lshift_cint_operand): Likewise.
529 (pc_or_label_operand): Likewise.
530 (legitimize_pic_address): Likewise.
531 (hppa_legitimize_address): Likewise for parameter `old'.
532 (output_block_move): Likewise for parameter `size_is_constant'.
533 (output_function_prologue): Likewise for parameter `size'.
534 (output_function_epilogue): Likewise.
535 (return_addr_rtx): Likewise for parameter `count'.
536 (output_mul_insn): Likewise for parameter `unsignedp'.
537 (hppa_builtin_saveregs): Likewise for parameter `arglist'.
538 (output_bb): Likewise for parameter `operands'.
539 (output_bvb): Likewise.
540 (function_label_operand): Likewise for parameter `mode'.
541 (plus_xor_ior_operator): Likewise.
542 (shadd_operand): Likewise.
543 (non_hard_reg_operand): Likewise.
544 (eq_neq_comparison_operator): Likewise.
545 (movb_comparison_operator): Likewise.
546 (pa_combine_instructions): Likewise for parameter `insns'.
548 * pa.h: Add prototypes for functions `output_deferred_plabels',
549 `override_options', `output_ascii', `output_function_prologue',
550 `output_function_epilogue', `print_operand',
551 `symbolic_expression_p', `reloc_needed', `compute_frame_size',
552 `hppa_address_cost', `and_mask_p', `symbolic_memory_operand',
553 `pa_adjust_cost', `pa_adjust_insn_length' and
554 `secondary_reload_class'.
556 Wed Jun 17 22:28:48 1998 Jason Merrill <jason@yorick.cygnus.com>
558 * configure.in: Don't turn on collect2 unconditionally.
560 Wed Jun 17 20:20:48 1998 Mark Mitchell <mark@markmitchell.com>
562 * cse.c (cse_basic_block): Don't include NOTE insns in the count
563 that is used to decide whether or not it is time to erase the
566 Wed Jun 17 18:30:43 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
568 * rs6000/linux.h (JUMP_TABLES_IN_TEXT_SECTION): Define to zero.
570 Wed Jun 17 19:05:03 1998 John Carr <jfc@mit.edu>
572 * haifa-sched.c (haifa_classify_insn): TRAP_IF is risky.
573 (sched_analyze_2): Allow scheduling TRAP_IF.
575 * reorg.c (mark_referenced_resources): Examine operands of TRAP_IF.
577 * rtl.h (TRAP_CODE): New macro.
579 * rtl.def (TRAP_IF): Change second operand type to rtx.
581 * optabs.c (gen_cond_trap): New function.
582 (init_traps): New function.
583 (init_optabs): Call init_traps.
584 * expr.h: Declare gen_cond_trap.
586 * jump.c (jump_optimize): Optimize jumps to and around traps.
588 * sparc.md: Define trap instructions.
590 * rs6000.md: Define trap instructions.
591 * rs6000.c (print_operand): New code 'V' for trap condition.
592 (trap_comparison_operator): New function.
594 * m88k.md: Update use of TRAP_IF.
596 * tree.h (enum built_in_function): New function code BUILT_IN_TRAP.
597 * c-decl.c (init_decl_processing): New builtin __builtin_trap.
598 * expr.c (expand_builtin): Handle BUILT_IN_TRAP.
600 * expr.c (expand_builtin): Error if __builtin_longjmp second argument
603 Wed Jun 17 15:20:00 PDT 1998 Catherine Moore <clm@cygnus.com>
605 * reload1.c (spill_hard_reg): Check mode of register when
606 spilling from scratch_list.
608 Wed Jun 17 16:25:38 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
610 * except.c (add_new_handler): fix bug in finding last region handler.
611 * libgcc2.c (find_exception_handler): Pass exception table pointer
612 to runtime type matcher, not the match info field.
614 Wed Jun 17 15:57:48 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
616 * eh-common.h (struct eh_context): Add comment for hidden use of
617 field dynamic_handler_chain.
618 * except.c (get_dynamic_handler_chain): Comment on, and use the
619 correct offset of the dynamic_handler_chain field.
621 1998-06-17 12:46:56 1998 Jim Wilson <wilson@cygnus.com>
623 * mips/iris6.h (LINK_SPEC): Add -woff 131.
625 1998-06-17 Jason Merrill <jason@yorick.cygnus.com>
627 * dwarf2out.c: Disable EH_FRAME_SECTION if we don't have .init.
629 * configure.in: Don't disable collect2 when we have GNU ld.
631 Wed Jun 17 08:38:13 1998 Jeffrey A Law (law@cygnus.com)
633 * fold-const.c (make_range): Do not widen the type of the expression.
635 * expr.c (check_max_integer_computation_mode): New function.
636 (expand_expr): Avoid integer computations in modes wider than
637 MAX_INTEGER_COMPUTATION_MODE.
638 * fold-const.c (fold): Likewise.
639 * tree.h (check_max_integer_computation_mode): Declare.
640 * tm.texi (MAX_INTEGER_COMPUTATION_MODE): Document it.
642 * configure.in (nm): Make a link to "nm" in the build tree too.
644 * mn10300.md (andsi3): Fix typo.
646 Tue Jun 16 22:58:40 1998 Richard Henderson <rth@cygnus.com>
648 * reload1.c (reload_cse_regs): Call bzero instead of looping.
650 Tue Jun 16 18:30:35 1998 Jim Wilson <wilson@cygnus.com>
652 * dwarf2out.c (stripattributes): Prepend '*' to the section name.
654 Tue Jun 16 16:49:26 1998 Richard Henderson <rth@cygnus.com>
656 * alpha.c (alpha_expand_prologue, alpha_expand_epilogue): New fns.
657 (output_prologue, output_epilogue): Merge VMS and OSF versions;
658 Remove anything related to the actual code generation.
659 (output_end_prologue): New function.
660 (alpha_sa_mask, alpha_sa_size): Merge VMS and OSF versions.
661 (alpha_does_function_need_gp): Return false for VMS.
662 (alpha_function_needs_gp): Make static.
663 (add_long_const): Delete.
664 (summarize_insn): Don't assume a SUBREG is of a REG.
665 Prototype all static functions. Rename VMS-specific global
667 * alpha.h (TARGET_CAN_FAULT_IN_PROLOGUE): Default to 0.
668 (FUNCTION_BOUNDARY): Align to cache line.
669 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER): Align to octaword.
670 (FUNCTION_END_PROLOGUE): New macro.
671 * alpha.md (attribute length): New. Mark all insns.
672 (return_internal, prologue_stack_probe_loop) New patterns.
673 (prologue, init_fp, epilogue): New patterns.
675 * linux.h (TARGET_CAN_FAULT_IN_PROLOGUE): Define.
677 Tue Jun 16 17:36:35 1998 Dave Brolley <brolley@cygnus.com>
679 * toplev.c (lang_options): Add -trigraphs option for cpplib.
681 Tue Jun 16 23:33:24 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
683 * reload1.c (reload_reg_free_before_p): RELOAD_FOR_OUTADDR_ADDRESS
684 is earlier than RELOAD_FOR_OUTPUT_ADDRESS; RELOAD_FOR_INPADDR_ADDRESS
685 is earlier than RELOAD_FOR_INPUT_ADDRESS.
687 Tue Jun 16 13:15:16 1998 Jim Wilson <wilson@cygnus.com>
689 * libgcc1-test.c (memcpy): Define.
691 Tue Jun 16 13:44:02 1998 Michael Meissner <meissner@cygnus.com>
693 * genattrtab.c (struct attr_desc): Change int flags to bit
694 fields. Add bit fields for this being function_units_used
695 or *_blockage_range attributes.
696 (write_unit_name): New function to print a function unit name
698 (expand_units): Indicate whether this is function_units_used or
699 *_blockage_range attributes.
700 (write_toplevel_expr): Print function_units_used and
701 *_blockage_range attributes in a more friendly fashion.
702 (make_internal_attr): Indicate whether this attribute is either
703 function_units_used or *_blockage_range.
705 Mon Jun 15 17:06:43 1998 Michael Meissner <meissner@cygnus.com>
706 Jim Wilson <wilson@cygnus.com>
708 * regmove.c (copy_src_to_dest): Do not copy src to dest if either
709 the source or destination is special.
711 Mon Jun 15 13:20:33 1998 Jim Wilson <wilson@cygnus.com>
713 * c-decl.c (shadow_tag_warned): Use specs not declspecs in for loop.
715 Mon Jun 15 07:16:29 PDT 1998 Jeff Law (law@cygnus.com)
717 * version.c: Bump for snapshot.
719 Sat Jun 13 13:10:40 1998 Krister Walfridsson <cato@df.lth.se>
721 * config/sparc/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Undefine before
724 Fri Jun 12 18:06:45 1998 Doug Evans <devans@egcs.cygnus.com>
726 * m32r/m32r.h (STARTFILE_SPEC): Delete crtsysc.o.
727 (ENDFILE_SPEC): Add -lgloss.
729 Fri Jun 12 14:57:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
731 * mips.c (small_int): Mark parameter `mode' with ATTRIBUTE_UNUSED.
732 (large_int): Likewise.
733 (pc_or_label_operand): Likewise.
734 (call_insn_operand): Likewise.
735 (consttable_operand): Likewise.
736 (m16_uimm3_b): Likewise.
737 (m16_simm4_1): Likewise.
738 (m16_nsimm4_1): Likewise.
739 (m16_simm5_1): Likewise.
740 (m16_nsimm5_1): Likewise.
741 (m16_uimm5_4): Likewise.
742 (m16_nuimm5_4): Likewise.
743 (m16_simm8_1): Likewise.
744 (m16_nsimm8_1): Likewise.
745 (m16_uimm8_1): Likewise.
746 (m16_nuimm8_1): Likewise.
747 (m16_uimm8_m1_1): Likewise.
748 (m16_uimm8_4): Likewise.
749 (m16_nuimm8_4): Likewise.
750 (m16_simm8_8): Likewise.
751 (m16_nsimm8_8): Likewise.
752 (m16_usym8_4): Likewise.
753 (m16_usym5_4): Likewise.
754 (mips_move_1word): Change type of variable `i' from int to size_t.
755 (mips_move_2words): Likewise.
756 (output_block_move): Mark parameter `libname' with ATTRIBUTE_UNUSED.
757 (function_arg_advance): Use HOST_PTR_PRINTF to print an address.
758 (function_arg): Likewise.
759 (function_arg_partial_nregs): Mark parameter `named' with
761 (override_options): Use ISDIGIT instead of isdigit.
762 (mips_output_external): Mark parameter `file' with ATTRIBUTE_UNUSED.
763 (final_prescan_insn): Likewise for parameters `opvec' and `noperands'.
764 (save_restore_insns): Cast HOST_WIDE_INT arguments passed to
765 function `fatal' to long before printing. Use
766 HOST_WIDE_INT_PRINT_DEC in fprintf. Both changes done several
767 times in this function.
768 (function_prologue): Mark parameter `size' with ATTRIBUTE_UNUSED.
769 (function_epilogue): Likewise for parameters `file' and `size'.
770 Print an int with "%d" not "%ld".
771 (mips_select_rtx_section): Mark parameter `x' with ATTRIBUTE_UNUSED.
772 (mips_function_value): Likewise for parameter `func'.
773 (function_arg_pass_by_reference): Likewise for parameters `cum'
775 (extend_operator): Likewise for parameter `mode'
776 (highpart_shift_operator): Likewise.
778 * mips.md (mul_acc_si): Remove unused variable `macc'.
780 Fri Jun 12 09:33:44 1998 Richard Henderson <rth@cygnus.com>
782 * fold-const.c (fold): Revert last change. It breaks constant
785 Fri Jun 12 10:23:36 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
787 * expr.c (do_jump, case EQ_EXPR, NE_EXPR): When comparing complex
788 prevent operands from being evaluated twice.
790 Fri Jun 12 00:50:27 1998 Sergey Okhapkin <sos@prospect.com.ru>
792 * toplev.c (lang_options): Add -remap as a preprocessor option.
794 Fri Jun 12 00:30:32 1998 John Wehle (john@feith.com)
796 * i386.md (cmpsi_1, cmphi_1, cmpqi_1): Remove code
797 which set CC_REVERSED since reload should ensure that
798 the operands are already the correct type.
800 Thu Jun 11 17:14:15 1998 Jim Wilson <wilson@cygnus.com>
802 * except.c (expand_builtin_eh_stub): Call emit_move_insn rather than
805 Thu Jun 11 18:45:49 1998 David Edelsohn <edelsohn@mhpcc.edu>
807 * config/rs6000/x-aix43 (AR): Delete.
808 (AR_FOR_TARGET_FLAGS): Add -X32_64 here.
810 Thu Jun 11 16:19:17 1998 David W. Schuler <schuld@btv.ibm.com>
812 * config/i386/aix386ng.h (CPP_SPEC): Remove extraneous quote.
814 Thu Jun 11 12:40:27 1998 Jim Wilson <wilson@cygnus.com>
816 * mips.c (override_options): Replace word_mode with explicit
819 Thu Jun 11 14:50:02 1998 Michael Meissner <meissner@cygnus.com>
821 * regmove.c (regmove_optimize): If we can't replace the
822 destination in an insn that sets the source, generate an explicit
823 move of the source to the destination.
824 (copy_src_to_dest): New function.
825 (toplevel): Include basic-block.h
827 * Makefile.in (regmove.o): Add basic-block.h dependencies.
829 Thu Jun 11 10:30:09 1998 Dave Brolley <brolley@cygnus.com>
831 * toplev.c (lang_options): Add missing options (nostdinc, idirafter).
833 Wed Jun 10 23:39:32 1998 Mark Mitchell <mark@markmitchell.com>
835 * rtl.h (rtx_def): Improve documentation.
836 (MEM_IN_STRUCT_P): Likewise.
838 Wed Jun 10 23:23:17 1998 Graham <grahams@rcp.co.uk>
840 * c-decl.c (start_decl): Correct test for -Wmain.
842 * c-decl.c (grokdeclarator): Remove unused variable "last".
844 Wed Jun 10 14:52:27 1998 Jim Wilson <wilson@cygnus.com>
846 * expr.c (expand_builtin_setjmp): Store const1_rtx in target.
847 (expand_builtin_longjmp): Abort if value isn't const1_rtx.
848 Delete code storing value in static_chain_rtx.
849 (expand_builtin, case BUILT_IN_LONGJMP): Pass NULL_RTX for target
850 to second expand_expr call.
852 Wed Jun 10 13:08:41 1998 Mark Mitchell <mark@markmitchell.com>
854 * mips/mips.c: Remove -mabi=o32 and -mabi=n64.
856 Wed Jun 10 13:41:23 1998 Dave Brolley <brolley@cygnus.com>
858 * cppmain.c (fatal): New function.
859 * configure.in (cpp_main): New configuration variable.
860 * configure: Regenerated.
861 * Makefile.in (CCCP): Use a configuration variable to select basex
863 (cppmain$(exeext)): Add @extra_cpp_objs@.
865 Wed Jun 10 13:07:02 1998 Dave Brolley <brolley@cygnus.com>
867 * objc/objc-act.c: Add cpplib declarations.
868 (lang_decode_option): Initialize cpplib if necessary.
869 (lang_decode_option): New argc/argv interface.
870 * tree.h (lang_decode_option): New argc/argv interface.
871 * toplev.c (lang_options): Add cpp options.
872 (main): New interface for lang_decode_option.
873 * gcc.c (default_compilers): Don't call cpp for a cpplib-enabled C compiler
874 unless -E, -M or -MM is specified.
875 * cpplib.h (cpp_handle_option): New function.
876 * cpplib.c (cpp_handle_option): New function.
877 (cpp_handle_options): Now calls cpp_handle_option.
878 * c-tree.h (c_decode_option): New argc/argv interface.
879 * c-lex.c (init_parse): cpplib now initialized in c_decode_option.
880 * c-lang.c (lang_decode_option): New argc/argv interface.
881 * c-decl.c: Add cpplib declarations.
882 (c_decode_option): New argc/argv interface.
883 (c_decode_option): Call cpp_handle_option.
884 (c_decode_option): Now returns number of strings processed.
886 Wed Jun 10 09:47:13 1998 Richard Earnshaw (rearnsha@arm.com)
888 * unroll.c (verify_addresses): Use validate_replace_rtx to undo the
889 changes. Abort if the undo fails.
891 1998-06-10 Vladimir N. Makarov <vmakarov@cygnus.com>
893 * config/rs6000/rs6000.c (output_prolog): Change locations and
894 directions of saving and restoring arguments of main on the stack.
896 Wed Jun 10 08:56:27 1998 John Carr <jfc@mit.edu>
898 * reload1.c (reload_cse_simplify_operands): Do not call gen_rtx_REG
899 for each alternative. Do not replace a CONST_INT with a REG unless
902 Wed Jun 10 02:11:55 1998 Jeffrey A Law (law@cygnus.com)
904 * decl.c (init_decl_processing): Fix typo.
906 * mips.c (gpr_mode): New variable.
907 (override_options): Initialize gpr_mode.
908 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
909 determine size and offset of general purpose registers save slots.
910 (save_restore_insns, mips_expand_prologue): Similarly.
912 * reload.c (find_reloads_toplev): Use gen_lowpart common to convert
913 between constant representations when we have (SUBREG (REG)) with
914 REG equivalent to a constant.
916 Wed Jun 10 01:39:00 1998 Juha Sarlin <juha@c3l.tyreso.se>
918 * h8300.c (get_shift_alg): Add special cases for shifts of 8 and 24.
920 Tue Jun 9 22:05:34 1998 Richard Henderson <rth@cygnus.com>
922 * fold-const.c (fold): Even with otherwise constant trees, look for
923 opportunities to combine integer constants.
925 Wed Jun 3 23:41:24 EDT 1998 John Wehle (john@feith.com)
927 * i386.c (notice_update_cc): Clear cc_status.value2 in the
928 case of UNSPEC 5 (bsf).
930 * i386.md (movsfcc, movdfcc, movxfcc): The floating point
931 conditional move instructions don't support signed integer
934 Tue Jun 9 14:31:19 1998 Nick Clifton <nickc@cygnus.com>
936 * config/v850/t-v850 (TCFLAGS): Add assembler options to warn of
939 * config/v850/lib1funcs.asm (__return_interrupt): Use 'addi
940 16,sp,sp' ratehr than 'add 16,sp'. Patch courtesy of Biomedin
943 Tue Jun 9 16:23:13 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
945 * except.c (expand_start_catch): Rename to start_catch_handler.
946 (expand_end_catch): Delete function.
947 (expand_end_all_catch): Remove catch status that expand_end_catch
949 * except.h (expand_start_catch): Rename prototype.
950 (expand_end_catch): Delete prototype.
952 Tue Jun 9 12:57:32 1998 Mark Mitchell <mark@markmitchell.com>
954 * invoke.texi: Add documentation for -mips4 and -mabi=*.
956 Tue Jun 9 12:12:34 1998 Klaus Kaempf (kkaempf@progis.de)
958 * alpha/vms.h (EXTRA_SECTIONS): Add in_ctors and in_dtors.
959 (EXTRA_SECTION_FUNCTIONS): Add ctors_section and dtors_section.
960 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
962 Tue Jun 9 12:10:27 1998 John Carr <jfc@mit.edu>
964 * haifa-sched.c (update_flow_info): Use UNITS_PER_WORD, not MOVE_MAX,
965 as the threshold to permit splitting memory operations.
967 Tue Jun 9 12:36:16 1998 Jeffrey A Law (law@cygnus.com)
969 * mips.c (gpr_mode): New variable.
970 (override_options): Initialize gpr_mode.
971 (compute_frame_size): Use "gpr_mode" instead of "word_mode" to
972 determine size and offset of general purpose registers save slots.
973 (save_restore_insns, mips_expand_prologue): Similarly.
975 * Makefile.in (LIB2FUNCS_EH): Define. Just "_eh" for now.
976 (LIBGCC2_CFLAGS): Remove -fexceptions.
977 (LIB2FUNCS): Remove "_eh".
978 (libgcc2.a): Iterate over LIB2FUNCS_EH and build everything in
979 it with -fexceptions.
981 * Makefile.in (local-alloc.o): Depend on insn-attr.h.
982 * local-alloc.c (block_alloc): Avoid creating false
983 dependencies for targets which use instruction scheduling.
985 Tue Jun 9 02:40:49 1998 Richard Henderson <rth@cygnus.com>
987 * mips/elf.h (ASM_DECLARE_OBJECT_NAME): Define.
988 (ASM_FINISH_DECLARE_OBJECT): Define;
989 * mips/elf64.h: Likewise.
991 Tue Jun 9 01:08:47 1998 Richard Henderson <rth@cygnus.com>
993 * toplev.c (flag_new_exceptions): Remove extraneous `extern'.
995 Mon Jun 8 23:24:48 PDT 1998 Jeff Law (law@cygnus.com)
997 * version.c: Bump for snapshot.
999 Mon Jun 8 23:24:58 1998 David Edelsohn <edelsohn@mhpcc.edu>
1001 * rs6000.md (mulsidi3): Add !TARGET_POWERPC64 constraint.
1002 (mulsidi3_ppc64): Delete.
1004 Mon Jun 8 20:57:40 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1006 * Makefile.in (varasm.o): Depend on dbxout.h.
1007 (cse.o): Depend on toplev.h and output.h.
1008 (gcse.o): Depend on output.h.
1010 * mips.c: Include system.h and toplev.h and remove redundant code.
1011 Include output.h after tree.h so all its prototypes get activated.
1012 * mips.md (table_jump): Remove unused variable `dest'.
1014 * sparc.h: Add prototype for `v8plus_regcmp_op'.
1016 * crtstuff.c (fini_dummy, init_dummy): Mark function definitions
1017 with __attribute__ ((__unused__)).
1018 (__frame_dummy): Provide prototype before use, wrap it with
1019 EH_FRAME_SECTION_ASM_OP.
1021 * cse.c: Move inclusion of <setjmp.h> above local headers.
1022 Include toplev.h and output.h.
1024 * dbxout.h: Add prototype for `dbxout_begin_function'.
1026 * final.c (final_scan_insn): Wrap variable `max_skip' in macro
1027 ASM_OUTPUT_MAX_SKIP_ALIGN.
1029 * gcse.c: Include system.h and output.h.
1030 (dump_cuid_table, dump_rd_table, dump_cprop_data, dump_pre_data):
1031 Make extern instead of static.
1032 (compute_can_copy): Only declare variables `reg' and `insn' when
1033 AVOID_CCMODE_COPIES is not defined.
1034 (record_set_info): Mark parameter `setter' with ATTRIBUTE_UNUSED.
1035 (hash_scan_clobber): Likewise for `x' and `insn'.
1036 (hash_scan_call): Likewise.
1037 (record_last_set_info): Likewise for `setter'.
1038 (mark_call): Likewise for `pat'.
1039 (pre_insert_insn): Wrap variable `note' in macro HAVE_cc0.
1041 * libgcc2.c (__bb_init_prg): Replace bzero with memset and fix the
1042 length parameter so that it multiplies the number of elements by
1043 the sizeof(element).
1045 * output.h: Add prototype for `weak_finish'.
1047 * recog.h: Likewise for `validate_replace_src'.
1049 * rtl.h: Likewise for `optimize_save_area_alloca',
1050 `fix_sched_param', `purge_addressof', `gcse_main',
1051 `regmove_optimize', `dbr_schedule', `branch_prob' and
1054 * toplev.h: Likewise for `set_float_handler' and
1055 `output_quoted_string'.
1057 * varasm.c: Include dbxout.h.
1059 Mon Jun 8 18:12:06 1998 Jim Wilson <wilson@cygnus.com>
1061 * mips.c (mips_secondary_reload_class): Use gp_reg_p instead of
1062 GP_REG_P. Use gr_regs instead of GR_REGS.
1064 Mon Jun 8 16:54:12 1998 Ken Raeburn <raeburn@cygnus.com>
1065 Jeff Law <law@cygnus.com>
1067 * Revamped multiply support for MIPS chips.
1068 * mips.c (extend_operator): New function.
1069 (highpart_shift_operator): Likewise.
1070 * mips.h: Declare new functions.
1071 (PREDICATE_CODES): Add support for new predicates.
1072 * mips.md (mulsi3 expander): Simplify.
1073 (mulsi_mult3): Add another constraint alternative. Support
1074 3 operand multiply instructions as found on various mips
1076 (mulsi3_r4650): Delete pattern, now handled by mulsi_mult3.
1077 (mul_acc_si): New pattern and associated splitters.
1078 (mulsidi3 expander): Rework to use mulsidi3_64bit and
1080 (umulsidi3): New expander.
1081 (mulsidi3_internal): Accept either sign or zero extended
1082 operands and generate code as appropriate appropriately.
1083 (mulsidi3_64bit): Similarly.
1084 (smulsi3_highpart): Turn into an expander and generate code
1085 to match new patterns.
1086 (umulsi3_highpart): Likewise.
1087 (xmulsi3_highpart_internal): New pattern.
1088 (maddi patterns): Delete. Replace with:
1089 (mul_acc_di, mul-acc_64bit_di): New patterns.
1091 Mon Jun 8 14:16:15 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1093 * eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with
1094 flag_new_exceptions runtime flag.
1095 (struct old_exception_table): New struct which represents what
1096 the exception table looks like without the new model.
1097 (NEW_EH_RUNTIME): New value used as a tag in the exception table to
1098 flag that this is a new style table.
1099 * except.h: Remove compile time flag NEW_EH_MODEL.
1100 (expand_builtin_eh_stub_old): New prototype.
1101 * tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD.
1102 * expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD.
1103 * c-decl.c (init_decl_processing): Add new builtin function
1104 __builtin_eh_stub_old.
1105 * final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL.
1106 * flags.h (flag_new_exceptions): New runtime flag.
1107 * toplev.c (flag_new_exceptions): Initialize default to 0,
1108 -fnew-exceptions sets to 1.
1109 * except.c (output_exception_table_entry): Output New style exception
1110 identifier into table, and replace compile time flag NEW_EH_MODEL
1111 with runtime flag flag_new_exceptions.
1112 (output_exception_table): Replace compile time flag NEW_EH_MODEL.
1113 (expand_builtin_eh_stub_old): Duplicates original functionality of
1114 expand_builtin_eh_stub.
1115 (expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL.
1116 * libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs.
1117 (old_find_exception_handler): New func, same as find_exception_handler
1118 except it works on the old style exception table.
1119 (__throw): Replace NEW_EH_MODEL. Detect new model based on presence
1120 of identifier in the exception table, and call appropriate routines.
1122 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
1124 * function.c: Define current_function_cannot_inline.
1125 (push_function_context_to): Save it.
1126 (pop_function_context_from): Restore it.
1127 * function.h (struct function): Provide it a home.
1128 * output.h: Declare it.
1129 * integrate.c (function_cannot_inline_p): Check it.
1131 Mon Jun 8 10:43:15 1998 Richard Henderson <rth@cygnus.com>
1133 * expr.c (force_operand): Detect PIC address loads before
1134 splitting arithmetic.
1136 Mon Jun 8 09:22:38 PDT 1998 Jeff Law (law@cygnus.com)
1138 * version.c: Bump for snapshot.
1140 Mon Jun 8 02:55:56 1998 Graham <grahams@rcp.co.uk>
1142 * tree.c (tree_class_check): Add braces to eliminate ambigious
1144 (tree_check): Likewise.
1146 Mon Jun 8 02:49:23 1998 H.J. Lu (hjl@gnu.org)
1148 * reg-stack.c (subst_stack_regs_pat): Make sure the top of
1149 stack is the destination for conditional move insn.
1151 Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com>
1153 * tree.h (TREE_VEC_END): Cast unused value to void.
1155 * i386.c (print_operand): Use %lx for long operand.
1157 Mon Jun 8 00:04:07 1998 Richard Henderson <rth@cygnus.com>
1159 * alpha.c (summarize_insn): Ignore rtl slot format 'i'.
1161 Sun Jun 7 14:15:45 1998 John Carr <jfc@mit.edu>
1163 * sol2.h (INIT_SUBTARGET_OPTABS): Use Solaris libc float/long long
1164 conversion functions.
1166 Sun Jun 7 14:02:58 1998 Richard Henderson <rth@cygnus.com>
1168 * toplev.c (flag_exceptions): Default to 0.
1169 (compile_file): Remove flag_exceptions == 2 hack.
1170 (main): Call lang_init_options.
1171 * tree.h: Declare it.
1172 * c-lang.c: Implement it.
1173 * objc/objc-act.c: Likewise.
1175 Sun Jun 7 12:27:30 1998 David Edelsohn <edelsohn@mhpcc.edu>
1177 * rs6000.md (restore_stack_block): Generate MEM and specify mode.
1178 * rs6000.h (STACK_SAVEAREA_MODE): SAVE_FUNCTION is VOIDmode.
1179 * rs6000.c (rs6000_output_load_toc_table): Use fputs.
1180 (output_function_profiler): Use asm_fprintf and fputs.
1182 Sat Jun 6 12:17:12 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1184 * gencheck.c: Remove redundant stdio.h include. Add a definition
1185 of xmalloc for when we are forced to link with alloca.o.
1187 * reload1.c (reload_reg_free_for_value_p): Use `(unsigned)1'
1190 * fold-const.c (constant_boolean_node): Make definition static to
1191 match the prototype.
1193 Fri Jun 5 15:53:17 1998 Per Bothner <bothner@cygnus.com>
1195 * gcc.c (lang_specific_pre_link): New LANG_SPECIFIC_DRIVER function.
1196 (lang_specific_extra_outfiles): New LANG_SPECIFIC_DRIVER variable.
1197 (do_spec, input_filename, input_filename_length): Make public.
1198 (main): Adjust outfiles allocation by lang_specific_extra_outfiles.
1199 Call lang_specific_pre_link befor elinking.
1201 Fri Jun 5 12:29:28 1998 Jeffrey A Law (law@cygnus.com)
1203 * haifa-sched.c (rank_for_schedule): For "equally good insns", prefer
1204 the insn which has the most insns dependent on it.
1206 Fri Jun 5 09:03:22 1998 John Carr <jfc@mit.edu>
1208 * alias.c (find_base_value): Avoid reading past end of reg_base_value.
1210 Fri Jun 5 03:05:34 1998 Richard Henderson <rth@cygnus.com>
1212 * alpha.md (insxh-1): New insxl pattern for combine.
1214 Fri Jun 5 01:12:15 1998 H.J. Lu (hjl@gnu.org)
1216 * i386/i386.c (output_fp_conditional_move): New function
1217 to output floating point conditional move.
1218 (output_int_conditional_move): New function to output integer
1221 * i386/i386.md (movsicci+5, movhicc+5, movdicc+5): Call
1222 output_int_conditional_move () to output int conditional move.
1223 (movsfcc+5, movdfcc+5, movxfcc+5): Call
1224 output_fp_conditional_move () to output floating point
1227 * i386/i386.c (put_condition_code): In INT mode, check
1228 cc_prev_status.flags & CC_NO_OVERFLOW for GE and LT.
1230 Thu Jun 4 16:09:51 1998 Dave Brolley <brolley@cygnus.com>
1232 * dbxout.c (dbxout_type): Output arrays of bits as if
1233 they were bitstrings for Chill
1235 Thu Jun 4 14:35:27 1998 David Edelsohn <edelsohn@mhpcc.edu>
1237 * tree.c (get_inner_array_type): New function.
1238 * tree.h (get_inner_array_type): Prototype.
1239 * expr.h (STACK_SAVEAREA_MODE): New macro.
1240 * expr.c (expand_builtin_setjmp): Initialize sa_mode using
1241 STACK_SAVEAREA_MODE.
1242 (expand_builtin_longjmp): Likewise.
1243 * explow.c (emit_stack_save): Likewise.
1244 (allocate_dynamic_stack_space): Use Pmode not insn_operand_mode.
1246 * rs6000/aix41.h (ASM_CPU_SPEC): Define relative to ASM_DEFAULT_SPEC.
1247 (CPP_CPU_SPEC): Define relative to CPU_DEFAULT_SPEC.
1248 * rs6000/aix43.h: New file.
1249 * rs6000/t-aix43: New file.
1250 * rs6000/x-aix41: New file.
1251 * rs6000/x-aix43: New file.
1252 * configure.in (rs6000-ibm-aix*): Use them.
1253 * rs6000/powerpc.h: Delete.
1254 * rs6000/sysv4.h: Move necessary powerpc.h definitions to here.
1255 * rs6000/netware.h: and here.
1256 * rs6000/win-nt.h: and here.
1258 * rs6000/rs6000.c (processor_target_table, 620): Do not affect
1260 (rs6000_override_options): Ignore flag_pic for AIX.
1261 (rs6000_immed_double_const): Delete.
1262 (u_short_cint_operand): Don't assume 32-bit CONST_INT.
1263 (reg_or_u_short_operand): Don't assume 32-bit CONST_INT.
1264 (num_insns_constant): mask64_operand() is 2 insns.
1265 (logical_operand): Don't assume 32-bit CONST_INT.
1266 (non_logical_cint_operand): Don't assume 32-bit CONST_INT.
1267 (easy_fp_constant): Any CONST_DOUBLE_HIGH is okay for 64-bit.
1268 (mask_constant): HOST_WIDE_INT parameter.
1269 (non_and_cint_operand): Delete.
1270 (mask64_operand): New function.
1271 (and64_operand): New function.
1272 (function_arg_advance): DImode arguments do not need special
1273 alignment when 64-bit.
1274 (function_arg): Likewise.
1275 (setup_incoming_varargs): Reverse reg_size assignment.
1276 (print_operand): HOST_WIDE_INT second parameter.
1277 (print_operand, 'B'): New case.
1278 (print_operand, 'M'): Fix typo in lossage string.
1279 (print_operandm 'S'): New case.
1280 (rs6000_stack_info): Reverse reg_size assignment. Use total_raw_size
1281 to compute AIX push_p. Use reg_size to compute {cr,lr}_save_offset.
1282 (rs6000_output_load_toc_table): Reverse init_ptr assignment. Use
1283 TARGET_64BIT not TARGET_POWERPC64. Convert fprintf to fputs.
1284 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
1285 (rs6000_allocate_stack_space): Use {cal|la}.
1286 (output_epilog): Use {cal|la}
1287 (output_function_profiler): Add call glue to mcount call.
1288 Load GOT highpart, don't add it. Add lowpart with {cal|la}.
1290 * rs6000/rs6000.h (TARGET_SWITCHES): Add powerpc64.
1291 (STACK_BOUNDARY): Depend on TARGET_32BIT.
1292 (ADJUST_FIELD_ALIGN): Calculate array alignment using innermost type.
1293 (CONST_OK_FOR_LETTER_P): Don't assume 32-bit CONST_INT.
1294 (EXTRA_CONSTRAINTS): Remove NT 'S' and 'T'. Replace 'S' with
1295 64-bit mask operand.
1296 (RS6000_SAVE_TOC): Depend on TARGET_32BIT.
1297 (STACK_SAVEAREA_MODE): New macro.
1298 (LEGITIMATE_CONSTANT_P): DImode okay for 64bit.
1299 (LEGITIMIZE_RELOAD_ADDRESS): New macro.
1300 (RTX_COSTS, AND/IOR/XOR): Reflect current machine description.
1301 (ASM_FILE_START): Emit 64-bit ABI directive.
1302 (ASM_DECLARE_FUNCTION_NAME): Align CSECT on doubleword in 64-bit mode.
1303 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): DImode okay for 64-bit.
1304 (PREDICATE_CODES): Add "and64_operand" and "mask64_operand".
1305 Delete "non_and_cint_operand". "input_operand" includes CONST_DOUBLE.
1307 * rs6000/rs6000.md (iorsi3, xorsi3): Use HOST_WIDE_INT for mask.
1308 Restore define_splits.
1309 (floatsidf2, floatunssidf2): Remove !TARGET_POWERPC64 final constraint.
1310 (floatsidf2_internal, floatunssidf2_internal2): Likewise.
1311 Do not specify base register operand mode.
1312 (floatsidf2_loadaddr): Do not specify base register operand mode.
1313 (floatsidf2_store1, floatsidf2_store2): Operand 1 must be base
1314 register; do not specify mode. Remove !TARGET_POWERPC64 final
1316 (floatsidf2_load): Do not specify base register operand mode. Remove
1317 !TARGET_POWERPC64 final constraint.
1318 (fix_truncdfsi2_internal, fix_truncdfsi2_{store,load}): Do not specify
1319 base register operand mode.
1320 (adddi3): Split large constants early.
1321 (absdi3): Shift by 63, not 31.
1322 (*mulsidi3_ppc64): New pattern.
1323 (rotldi3): Add masking combiner patterns.
1324 (anddi3): Add rldic{r,l} masking. Remove split of large constants
1325 because PPC insns zero-extend.
1326 (iordi3, xordi3): Split large constants early.
1327 (movsi matcher): Remove S and T constraints.
1328 (movsf const_double): create SImode constant from TARGET_DOUBLE.
1329 (movdf_hardfloat32): Add default abort() case.
1330 (movdf easy_fp_const): create DImode constant from TARGET_DOUBLE.
1331 (movdi): Remove 64-bit constant generator. Try to convert
1332 CONST_DOUBLE to CONST_INT. Handle TOC memory constants.
1333 (movdi_32): Add default abort() case.
1334 (movdi_64): Add numerous ways to split 64-bit constants.
1335 Make catch-all define_split more optimal and never FAIL.
1336 (movti_ppc64): Add default abort() case.
1337 (allocate_stack): Remove operand modes. Use Pmode.
1338 (restore_stack_block): Remove operand modes. Generate Pmode
1340 (save_stack_nonlocal, restore_stack_nonlocal): Generate Pmode
1341 temporary. Save area is double Pmode.
1342 (call_indirect_aix64, call_value_indirect_aix64): New patterns.
1343 (call, call_value): Do not specify address operand mode. Choose
1344 appropriate AIX ABI.
1345 (*call_local64, *ret_call_local64): New patterns.
1346 (*call_nonlocal_aix64, *ret_call_nonlocal_aix64): New patterns.
1347 (*ret_call_nonlocal_aix32): Use call_value_indirect for REG.
1348 (compare): Materialize DImode truthvalues.
1350 Thu Jun 4 01:26:57 1998 Craig Burley <burley@gnu.org>
1352 * expr.c (safe_from_p): Avoid combinatorial explosion
1353 over duplicate SAVE_EXPRs by ensuring we never recurse
1354 on one that has already been visited.
1356 Thu Jun 4 00:54:21 1998 Graham <grahams@rcp.co.uk>
1358 * loop.c (check_dbra_loop): Initialise final_value before
1359 normalizing the loop.
1361 Wed Jun 3 20:00:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1363 * reload1.c (reload_reg_free_for_value_p): New arguments out and
1364 reloadnum. Changed all callers.
1366 1998-06-03 Ulrich Drepper <drepper@cygnus.com>
1368 * system.h: Add _() and N_() macros in preparation for gettext.
1370 Wed Jun 3 11:02:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1372 * c-common.c (check_format_info): Put back check for C9x `hh'
1373 length modifier. Warn about %n format writing into const. Remove
1375 (format_char_info): Fix comments.
1377 * configure.in: Set float_format to m68k for all m68k targets that
1378 do not override LONG_DOUBLE_TYPE_SIZE.
1379 * config/float-m68k.h: New file.
1381 Tue Jun 2 23:14:01 1998 Richard Henderson <rth@cygnus.com>
1383 * jump.c (jump_optimize): Remove debug messages accidentally left in
1384 with the previous change.
1386 Tue Jun 2 22:46:08 1998 Richard Henderson <rth@cygnus.com>
1388 * expr.c (store_expr): Revert stray patch associated with
1391 Tue Jun 2 21:59:01 1998 Richard Henderson <rth@cygnus.com>
1393 * jump.c (rtx_unsafe_p): New function.
1394 (jump_optimize): Use it on if/then/else transformations and
1395 conditional move transformations.
1397 Tue Jun 2 22:50:10 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1399 * fold-const.c (fold, case EQ_EXPR): When folding VAR++ == CONST
1400 or VAR-- == CONST construct a proper mask if VAR is a bitfield.
1401 Cope with CONST being out of range for the bitfield.
1403 Tue Jun 2 22:28:31 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1405 * expr.c (emit_move_insn_1): When moving complex values in several
1406 steps, emit a CLOBBER to show the destination dies.
1408 Tue Jun 2 22:17:26 1998 Jeffrey A Law (law@cygnus.com)
1410 * Makefile.in (site.exp): Use the object testsuite directory as
1411 the temporary directory.
1413 * expr.c (expand_expr, case ADDR_EXPR): Handle taking the
1414 address of an ADDRESSOF rtx.
1416 1998-06-02 Mike Stump <mrs@wrs.com>
1418 * expr.c (expand_builtin_setjmp): Handle BUILTIN_SETJMP_FRAME_VALUE.
1419 * i960.h (SETUP_FRAME_ADDRESSES, BUILTIN_SETJMP_FRAME_VALUE): Define.
1420 * i960.md (ret, flush_register_windows): Define.
1421 (nonlocal_goto): Likewise. Nested function nonlocal gotos don't
1423 * tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Document new macro.
1425 Tue Jun 2 14:02:38 1998 Richard Henderson <rth@cygnus.com>
1427 * alpha.md (divsi3, udivsi3, modsi3, umodsi3): Enable, and work
1428 around an OSF/1 library bug wrt sign-extension of inputs.
1430 Tue Jun 2 13:02:44 1998 Richard Henderson <rth@cygnus.com>
1432 * vax/netbsd.h (DWARF2_UNWIND_INFO): Must be undef, not defined 0.
1434 Mon Jun 1 03:44:03 1998 Catherine Moore <clm@cygnus.com>
1436 * config/sh/sh.h (MAX_OFILE_ALIGNMENT): Define.
1438 * varasm.c (assemble_variable): Augment alignment warning.
1440 Mon Jun 1 12:14:28 1998 Michael Meissner <meissner@cygnus.com>
1442 * config/fp-bit.c (_fp{add,div}_parts): Return correct IEEE result
1443 in the presence of IEEE negative 0's.
1445 Sun May 31 16:11:41 1998 John Wehle (john@feith.com)
1447 * reload.c (find_reloads): Record the existing mode if
1448 operand_mode == VOIDmode before replacing a register with
1450 * i386.md (tstsi, tsthi, tstqi, tstsf, tstdf, tstxf): Set
1451 i386_compare_op1 to const0_rtx for the benefit of the
1452 conditional move patterns.
1453 (movsicc, movhicc, movsfcc, movdfcc, movxfcc, movdicc): Rewrite
1454 based on suggestions from Jim Wilson.
1456 Sun May 31 00:44:02 PDT 1998 Jeff Law (law@cygnus.com)
1458 * version.c: Bump for snapshot.
1460 Sun May 31 00:34:17 1998 Bruce Korb <korbb@datadesign.com>
1462 * Makefile.in (fixinc.sh): Update rules again.
1464 Sun May 31 00:27:47 1998 Jeffrey A Law (law@cygnus.com)
1466 * extend.texi: Bring back reference to trampoline paper.
1468 Sun May 31 00:22:34 1998 Ulrich Drepper <drepper@cygnus.com>
1470 * Makefile.in (USER_H): Add stdbool.h.
1471 * ginclude/stdbool.h: New file.
1473 Fri May 29 01:48:25 1998 Jeffrey A Law (law@cygnus.com)
1475 * jump.c (thread_jumps): Do not look at the NOTE_LINE_NUMBER
1478 * gcse.c (pre_delete): Fix code to determine the mode of
1479 the reaching pseudo register.
1481 Fri May 29 01:07:28 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
1483 * Makefile.in (GEN): Add gencheck
1484 (STAGESTUFF): Add tree-check.h and gencheck.
1486 Fri May 29 00:57:37 1998 Bruce Korb <korbb@datadesign.com>
1488 * Makefile.in (cstamp-h.in): Remove before trying to recreate.
1489 (fixinc.sh): Set some additional environment variables before
1490 calling mkfixinc.sh.
1492 Thu May 28 12:57:05 1998 Jeffrey A Law (law@cygnus.com)
1494 * reload.c (find_reloads): Do not force a reloads of match_operators.
1496 Thu May 28 10:22:22 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
1498 * except.h (remove_handler): Add new prototype.
1499 * except.c (remove_handler): New function to remove handlers
1500 from an exception region.
1501 * flow.c (find_basic_blocks_1): Remove handlers from regions when
1502 handler label is deleted; remove exception regions with no handlers.
1504 Thu May 28 09:36:39 1998 Michael Meissner <meissner@cygnus.com>
1506 * except.h (rtx): Define rtx type correctly if needed.
1507 * function.h (rtx): Ditto.
1508 (tree): Define tree type correctly if needed.
1510 * c-pragma.c (toplevel): Include rtl.h.
1512 * stor-layout.c (toplevel): Move include of rtl.h before
1515 * Makefile.in (c-pragma.o): Add except.h, rtl.h dependencies.
1516 (tree.o): Add except.h dependency.
1518 Wed May 27 22:02:40 1998 Jeffrey A Law (law@cygnus.com)
1520 * reload1.c: Revert accidental checkin.
1522 * configure.lang: Fix thinko when adding a definition for
1523 target_alias to the Makefile.
1525 Wed May 27 02:50:00 1998 Catherine Moore (clm@cygnus.com)
1527 * config/sparc/lb1spc.asm (.rem and .urem): Replace
1530 Wed May 27 02:48:31 1998 Richard Earnshaw (rearnsha@arm.com)
1532 * arm.c (arm_gen_constant): Rework to eliminate uninitialized
1533 variable warnings. Don't generate scratch registers if only
1535 (find_barrier): Eliminate unused variable SRC.
1537 1998-05-27 Manfred Hollstein <manfred@s-direktnet.de>
1539 * toplev.h (rtx_def): Provide global declaration to avoid
1540 `limited scope' warnings.
1542 Tue May 26 23:47:52 1998 Mumit Khan <khan@xraylith.wisc.edu>
1544 * Makefile.in (gencheck.o): Use HOST_CC.
1545 * i386/t-mingw32: New file.
1546 * configure.in (i386-*-mingw32*): Use.
1548 Tue May 26 07:31:04 1998 Richard Earnshaw (rearnsha@arm.com)
1550 * arm.c (bad_signed_byte_operand): New predicate function.
1551 * arm.h (PREDICATE_CODES): Add it to the list.
1552 * arm.md (*extendqi[sh]i_insn): Split any addresses that ldrsb
1554 (define_split): Two new splits for above insns.
1556 * arm.c: Include toplev.h.
1557 (arm_override_options): Add parentheses around use of tune_flags.
1558 (arm_split_constant): Remove unused variable.
1559 (arm_gen_constant, arm_gen_movstrqi, add_constant): Likewise.
1560 (output_func_prologue, arm_expand_prologue): Likewise.
1561 (arm_canonicalize_comparison): Make I unsigned; rework constants
1562 accordignly. Add missing paratheses around << operation.
1563 (arm_rtx_costs): Correctly parenthesise MULT costs. Add a DEFAULT
1565 ({load,store}_multiple_sequence): Initialize BASE_REG.
1566 (select_dominance_cc_mode): Add DEFAULT clauses.
1567 (broken_move): Return zero if the destination is not a register.
1568 (arm_reorg): Move unused REGNO declaration into the dead code.
1569 * arm.h (CANONICALIZE_COMPARISON): Ensure OP1 is updated.
1571 Mon May 25 22:49:56 PDT 1998 Jeff Law (law@cygnus.com)
1573 * version.c: Bump for snapshot.
1575 Mon May 25 11:56:24 PDT 1998 Jeff Law (law@cygnus.com)
1577 * version.c: Bump for snapshot.
1579 Mon May 25 14:00:13 1998 Dave Brolley <brolley@cygnus.com>
1581 * cpperror.c (v_cpp_message): Remove static prototype.
1582 * cpplib.c (v_cpp_message): Move prototype to cpplib.h.
1583 * cpplib.h (v_cpp_message): Add protoptype.
1584 (stdarg.h,varargs.h): Needed for v_cpp_message prototype.
1586 Sun May 24 20:36:15 PDT 1998 Jeff Law (law@cygnus.com)
1588 * version.c: Bump for snapshot.
1590 Sun May 24 02:08:57 PDT 1998 Jeff Law (law@cygnus.com)
1592 * version.c: Bump for snapshot.
1594 1998-05-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1596 * m68k.h: Declare more functions used in macros.
1597 (REG_CLASS_CONTENTS): Completely embrace initializer.
1598 * m68k.md (adddi3, subdi3): Add abort call to avoid warning
1599 about returning no value.
1600 * cse.c (find_best_addr): Declare p and found_better only if
1602 * dbxout.c (dbxout_continue): Define only if DBX_CONTIN_LENGTH > 0.
1603 * dwarfout.c (string_length_attribute): #if 0 away.
1604 * function.c (expand_function_end): Define varible blktramp only
1606 * jump.c (find_insert_position): Define only if !HAVE_cc0.
1607 * loop.c (combine_givs_p): Define variable tem only if needed.
1608 * real.c: Comment out unused functions eabs, eround,
1609 e{24,53,64,113}toasc and eiinfin.
1612 Sat May 23 23:44:53 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1614 * Makefile.in (boostrap2-lean, bootstrap3-lean,
1615 bootstrap4-lean): New targets.
1617 Sat May 23 23:35:14 1998 Jeffrey A Law (law@cygnus.com)
1619 * warn_summary, test_summary: Moved into the contrib directory.
1621 1998-05-23 Manfred Hollstein <manfred@s-direktnet.de>
1623 * Makefile.in (ENQUIRE_CFLAGS, ENQUIRE_LDFLAGS): Move down to the end
1625 (FLOAT_H_TEST): Likewise.
1626 (ENQUIRE): Likewise.
1627 (float.h-nat): Likewise.
1628 (float.h-cross): Likewise.
1629 (enquire): Likewise.
1630 (enquire.o): Likewise.
1631 (stmp-int-hdrs): Fix comment about enquire; depend upon gfloat.h.
1632 (stmp-headers): Move actions to stmp-int-hdrs, retaining only a
1634 (FLOAT_H): Remove old float.h-nat version; move current definition
1635 to CROSS_FLOAT_H location.
1636 (all.cross): Remove comments about enquire stuff.
1638 * Makefile.in (all.cross): Swap $(LIBGCC) and $(STMP_FIXPROTO).
1639 (rest.encap): Likewise.
1640 (libgcc2.ready): Depend upon $(STMP_FIXPROTO)
1642 * toplev.h (tree_node): Provide global declaration to avoid
1643 `limited scope' warnings.
1645 Sat May 23 23:23:35 1998 Robert Lipe <robertl@dgii.com>
1647 * test_summary: Display section breaks for each entry
1648 in a multilibbed target's output.
1650 1998-05-23 Richard Henderson <rth@cygnus.com>
1652 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
1653 offset's mode is not ptr_mode, convert it.
1655 1998-05-22 Jason Merrill <jason@yorick.cygnus.com>
1657 * fold-const.c (ssize_binop): New fn.
1658 * tree.h: Declare it.
1660 Fri May 22 03:42:05 1998 Richard Earnshaw (rearnsha@arm.com)
1662 * genextract.c (print_path): Handle zero-length path as a special
1665 Fri May 22 01:38:07 1998 Hans-Peter Nilsson <hp@axis.se>
1667 * cplus-dem.c (MBUF_SIZE): Bumped from 512 to 32767.
1669 Fri May 22 00:57:00 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
1671 * final.c (JUMP_TABLES_IN_TEXT_SECTION): Provide a default value.
1672 (shorten_branches, final_scan_insn): Test value of
1673 JUMP_TABLES_IN_TEXT_SECTION instead of just testing whether it
1675 * tm.texi (JUMP_TABLES_IN_TEXT_SECTION): Corresponding changes.
1676 * arm/coff.h: Define JUMP_TABLES_IN_TEXT_SECTION to 1.
1677 * arm/tcoff.h: Likewise.
1678 * i386/386bsd.h: Likewise.
1679 * i386/freebsd-elf.h: Likewise.
1680 * i386/freebsd.h: Likewise.
1681 * i386/netbsd.h: Likewise.
1682 * i386/ptx4-i.h: Likewise.
1683 * i386/sysv4.h: Likewise.
1684 * pa/pa.h: Likewise.
1685 * rs6000/linux.h: Likewise.
1686 * rs6000/rs6000.h: Likewise.
1687 * sh/sh.h: Likewise.
1688 * sparc/sp64-elf.h: Likewise.
1689 * v850/v850.h: Likewise.
1690 * rs6000/sysv4.h: Define JUMP_TABLES_IN_TEXT_SECTION to 0.
1691 * i386/linux.h: Define JUMP_TABLES_IN_TEXT_SECTION to (flag_pic).
1693 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1695 * regmove.c (gen_add3_insn): New function.
1696 (fixup_match_2): Use it instead of calling gen_addsi3.
1698 Thu May 21 23:09:50 1998 Jeffrey A Law (law@cygnus.com)
1700 * Makefile.in (gencheck): Depend on HOST_LIBDEPS.
1702 * alias.c (rtx_equal_for_memref_p): Handle SCRATCH as a memory
1705 Thu May 21 20:18:13 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
1707 * Makefile.in (TREE_H): Add tree-check.h.
1708 (tree-check.h, gencheck): New targets.
1709 * gencheck.c: New file.
1710 * tree.c (tree_check, tree_class_check): New functions.
1711 * tree.h (TREE_CHECK, TREE_CLASS_CHECK): Define.
1712 (TYPE_CHECK, DECL_CHECK): Define.
1713 Modify all access macros to use generated checking macros.
1715 Wed May 20 23:44:28 EDT 1998 John Wehle (john@feith.com)
1717 * acconfig.h (HAVE_GAS_MAX_SKIP_P2ALIGN): New tag.
1718 * configure.in: Check for it.
1719 * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Use it.
1720 * final.c (uid_align, uid_shuid, label_align): Make static.
1721 (label_align): Change type to struct label_alignment pointer.
1722 (LABEL_TO_ALIGNMENT, shorten_branches): Update due to type change.
1723 (LABEL_TO_MAX_SKIP): Define.
1724 (LABEL_ALIGN_MAX_SKIP, LOOP_ALIGN_MAX_SKIP,
1725 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Provide defaults.
1726 (shorten_branches): Record the maximum bytes to skip when
1728 (final_scan_insn): Use the maximum bytes to skip when aligning a label
1729 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
1730 * i386.h (LOOP_ALIGN_MAX_SKIP,
1731 LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.
1732 * i386.c (override_options): i386_align_jumps and i386_align_loops
1733 default to 4 if ASM_OUTPUT_MAX_SKIP_ALIGN is available.
1734 * invoke.texi: Document new i386 align-loops and align-jumps behavior.
1736 1998-05-21 Mark Mitchell <mmitchell@usa.net>
1738 * cplus-dem.c (do_type): Handle volatile qualification.
1740 Thu May 21 12:23:17 1998 Per Bothner <bothner@cygnus.com>
1742 * function.c (init_function_start): Don't call emit_line_note if
1743 lineno is 0. (Can happen when compiling Java .class files.)
1745 Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1747 * reload1.c (reload_reg_free_for_value_p): Fix RELOAD_FOR_INPUT
1748 end of lifetime and RELOAD_FOR_OUTPUT start of lifetime.
1750 Thu May 21 19:32:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1752 * combine.c (nonzero_bits): For paradoxical subregs, take
1753 LOAD_EXTENDED_OP into account.
1755 Thu May 21 11:51:15 1998 Dave Brolley <brolley@cygnus.com>
1757 * configure.in (extra_c_objs): add prefix.o.
1758 (extra_cxx_objs): extra objects for C++ with cpplib.
1759 * configure: Regenerate.
1761 * c-tree.h: (get_directive_line): Different prototype for cpplib.
1762 (GET_DIRECTIVE_LINE): Macro wrapper for get_directive_line.
1764 * c-lex.h: (get_directive_line): Not needed here for cpplib.
1766 * c-lex.c: (yy_cur,yy_lim,yy_get_token): Move to c-common.c.
1767 (GET_DIRECTIVE_LINE): Move to c-common.c and rename to get_directive_line.
1769 * c-common.c (parse_in,parse_options,cpp_token): Declare for cpplib.
1770 (yy_cur,yy_lim,yy_get_token,get_directive,line): Moved here from c-lex.c
1772 Thu May 21 09:04:42 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1774 * gengenrtl.c (type_from_format, accessor_from_format): Change
1775 type of parameter `c' from `char' to `int'.
1777 Wed May 20 22:28:34 1998 Jeffrey A Law (law@cygnus.com)
1779 * warn_summary, test_summary: New scripts from
1780 Kaveh Ghazi and Alexandre Oliva respectively.
1782 * gcse.c (current_function_calls_longjmp): Declare.
1784 1998-05-20 Jason Merrill <jason@yorick.cygnus.com>
1786 * dwarf2out.c (base_type_die): Use int_size_in_bytes.
1788 Wed May 20 01:11:02 1998 Doug Evans (devans@cygnus.com)
1789 Jeff Law (law@cygnus.com)
1791 * Global CSE and constant/copy propagation.
1792 * Makefile.in (OBJS): Add gcse.o
1793 (STAGESTUFF): Add *.gcse.
1794 (gcse.o): Add dependencies.
1795 (mostlyclean): Remove *.gcse and */*.gcse.
1797 * loop.c (loop_optimize): Move call to init_alias_analysis.
1798 * recog.c (validate_replace_src): New function.
1799 * toplev.c (gcse_dump): New global variable.
1800 (flag_gcse, gcse_time): Likewise.
1801 (compile_file): Initialize gcse_time and clean out the gcse dump
1803 (rest_of_compilation): Call gcse_main as requested. Dump RTL
1804 after gcse if requested.
1805 (main): Enable gcse for -O2 and above. Handle -dG. Enable gcse
1807 * gcc.texi: Add gcse related internal documentation.
1808 * invoke.texi: Note new command line options for gcse.
1809 * tm.texi: Document AVOID_CCMODE_COPIES.
1810 * mips.h (AVOID_CCMODE_COPIES): Define.
1812 Tue May 19 22:31:20 1998 Jeffrey A Law (law@cygnus.com)
1814 * Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR)
1816 (stmp-fixproto): Simlarly for running fixproto.
1817 * cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include.
1819 Tue May 19 19:08:52 1998 Jim Wilson <wilson@cygnus.com>
1821 * config/mips/mips.c (double_memory_operand): Accept any MEM during
1822 reload when TARGET_64BIT.
1824 Tue May 19 18:21:25 1998 Jim Wilson <wilson@cygnus.com>
1826 Finish incomplete change started by Kenner.
1827 * configure.in (*-*-linux-gnu*): Delete NO_STAB_H from xm_defines.
1828 (powerpcle-*-cygwin32): Delete xm_defines.
1829 * final.c, mips-tfile.c, xcoffout.c, config/mips/mips.c: Use
1830 HAVE_STAB_H instead of NO_STAB_H.
1831 * config/xm-linux.h (NO_STAB_H): Delete.
1832 (HAVE_STAB_H): Undefine.
1833 * config/i386/xm-go32.h (NO_STAB_H): Delete.
1835 1998-05-19 Jim Wilson <wilson@cygnus.com>
1837 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Ignore
1838 LANG_TYPE trees with DECL_SOURCE_LINE of 0.
1840 Tue May 19 15:07:54 1998 Todd Vierling <tv@netbsd.org>
1842 * arm/netbsd.h: Ensure DWARF2_UNWIND_INFO is undefined.
1844 Tue May 19 17:19:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1846 * reload1.c (reload_reg_free_for_value_p): New function.
1847 (allocate_reload_reg, choose_reload_regs): Use it.
1849 Tue May 19 11:51:00 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
1851 * except.c (expand_start_catch): Correct logic for when to
1852 generate a new handler label, and when to use the old one.
1854 Tue May 19 11:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1856 * Makefile.in (print-rtl.o): Depend on bitmap.h.
1857 (dbxout.o): Depend on toplev.h.
1858 ($(SCHED_PREFIX)sched.o): Likewise.
1859 ($(out_object_file)): Likewise for system.h and toplev.h.
1860 (cppmain.o): Depend on gansidecl.h.
1861 (cpplib.o): Likewise.
1862 (cpperror.o): Likewise.
1863 (cppexp.o): Likewise.
1864 (cpphash.o): Likewise.
1865 (cppalloc.o): Likewise.
1866 (fix-header.o): Depend on cpplib.h and cpphash.h.
1867 (scan-decls.o): Depend on gansidecl.h.
1869 * basic-block.h (free_regset_vector): Add prototype.
1871 * cccp.c (check_precompiled): Mark parameter `fname' with
1873 (do_assert): Likewise for `op' and `keyword'.
1874 (do_unassert): Likewise.
1875 (do_line): Likewise for `keyword'.
1876 (do_error): Likewise for `op' and `keyword'.
1877 (do_warning): Likewise.
1878 (do_ident): Likewise for `keyword'.
1879 (do_pragma): Likewise for `limit', `op' and `keyword'.
1880 (do_sccs): Likewise.
1881 (do_if): Likewise for `keyword'.
1882 (do_elif): Likewise.
1883 (do_else): Likewise.
1884 (do_endif): Likewise.
1886 * collect2.c (getenv): Remove redundant prototype.
1887 (collect_exit, collect_execute, dump_file): Likewise.
1888 (dump_list): Wrap prototype and definition in COLLECT_EXPORT_LIST.
1889 (dump_prefix_list): Hide prototype and definition.
1891 * sparc.c: Include toplev.h.
1892 (intreg_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED.
1893 (symbolic_memory_operand): Likewise.
1894 (sp64_medium_pic_operand): Likewise.
1895 (data_segment_operand): Likewise.
1896 (text_segment_operand): Likewise.
1897 (splittable_symbolic_memory_operand): Likewise.
1898 (splittable_immediate_memory_operand): Likewise.
1899 (eq_or_neq): Likewise.
1900 (normal_comp_operator): Likewise.
1901 (noov_compare_op): Likewise.
1902 (v9_regcmp_op): Likewise.
1903 (v8plus_regcmp_op): Likewise.
1904 (extend_op): Likewise.
1905 (cc_arithop): Likewise.
1906 (cc_arithopn): Likewise.
1907 (small_int): Likewise.
1908 (uns_small_int): Likewise.
1909 (clobbered_register): Likewise.
1910 (legitimize_pic_address): Likewise.
1911 (delay_operand): Likewise.
1912 (sparc_builtin_saveregs): Remove unused variable `stdarg'.
1914 * sparc.h (order_regs_for_local_alloc, eligible_for_return_delay,
1915 sparc_issue_rate, v8plus_regcmp_p): Add prototypes.
1917 * sparc.md (cmpdi_v8plus): Add abort for default case in switch.
1919 * cppalloc.c: Include gansidecl.h.
1921 * cpperror.c: Include stdarg.h/varargs.h and gansidecl.h.
1922 (cpp_file_line_for_message): Mark parameter `pfile' with
1924 (v_cpp_message): New function.
1925 (cpp_message): Use it. Also convert to variable arguments.
1926 (cpp_fatal): Likewise.
1927 (cpp_pfatal_with_name): Constify parameter `name'.
1929 * cppexp.c: Move gansidecl.h before cpplib.h.
1930 * cpphash.c: Likewise.
1931 * cpphash.h (hashf, delete_macro): Add prototypes.
1933 * cpplib.c: Include stdarg.h/varargs.h and move gansidecl.h before
1934 cpplib.h. Don't include errno.h.
1935 (update_path): Add arguments to prototype.
1936 (cpp_fatal, cpp_file_line_for_message, cpp_message, delete_macro,
1937 cpp_print_containing_files): Remove redundant prototypes.
1938 (cpp_hash_cleanup, add_import, append_include_chain,
1939 make_assertion, path_include, initialize_builtins,
1940 initialize_char_syntax, finclude, validate_else, comp_def_part,
1941 lookup_import, redundant_include_p, is_system_include,
1942 read_name_map, read_filename_string, open_include_file,
1943 check_macro_name, compare_defs, compare_token_lists,
1944 eval_if_expression, change_newlines): Add prototype arguments.
1945 (hashf): Remove redundant prototype.
1946 (read_token_list, free_token_list, safe_read, xcalloc, savestring,
1947 conditional_skip, skip_if_group): Add prototype arguments.
1948 (fdopen): Remove redundant prototype.
1949 (do_define, do_line, do_include, do_undef, do_error, do_pragma,
1950 do_ident, do_if, do_xifdef, do_else, do_elif, do_endif, do_sccs,
1951 do_once, do_assert, do_unassert, do_warning): Add prototype arguments.
1952 (struct directive): Add prototype arguments to function pointer
1954 (handle_directive): Add missing arguments to call to `do_line'.
1955 (do_include): Mark parameters `unused1' and `unused2' with
1957 (do_line): Likewise for `keyword' and new parameters `unused1' and
1959 (do_error): Likewise for `keyword'.
1960 (do_warning): Likewise. Also add missing argument `pfile' in call
1962 (do_once): Mark parameter `keyword', `unused1' and `unused2' with
1964 (do_ident): Likewise for `keyword', `buf' and `limit'.
1965 (do_pragma): Likewise. Also add missing arguments in call to do_once.
1966 (do_sccs): Mark parameter `keyword', `buf' and `limit' with
1968 (do_if): Likewise for `keyword'.
1969 (do_elif): Likewise.
1970 (eval_if_expression): Likewise for `buf' and `length'.
1971 (do_xifdef): Likewise for `unused1' and `unused2'.
1972 (do_else): Likewise for `keyword', `buf' and `limit'.
1973 (do_endif): Likewise.
1974 (parse_name): Add missing argument `pfile' in call to cpp_pedwarn.
1975 (cpp_handle_options): Remove superfluous NULL argument in call to
1977 (cpp_handle_options): Likewise.
1978 (do_assert): Mark parameter `keyword', `buf' and `limit' with
1980 (do_unassert): Likewise.
1981 (cpp_print_file_and_line): Add missing argument `pfile' in call to
1982 cpp_file_line_for_message.
1983 (v_cpp_error): New function.
1984 (cpp_error): Use it. Also accept variable arguments.
1985 (v_cpp_warning): New function.
1986 (cpp_warning): Use it. Also accept variable arguments.
1987 (cpp_pedwarn): Accept variable arguments.
1988 (v_cpp_error_with_line): New function
1989 (cpp_error_with_line): Use it. Accept variable arguments.
1990 (v_cpp_warning_with_line): New function.
1991 (cpp_warning_with_line): Use it. Accept variable arguments. Hide
1993 (cpp_pedwarn_with_line): Accept variable arguments.
1994 (cpp_pedwarn_with_file_and_line): Likewise.
1995 (cpp_error_from_errno): Constify parameter `name'. Add missing
1996 argument `pfile' in call to cpp_file_line_for_message.
1997 (cpp_perror_with_name): Constify parameter `name'.
1999 * cpplib.h: Define PARAMS() in terms of PROTO().
2000 (fatal): Remove redundant prototype.
2001 (cpp_error, cpp_warning, cpp_pedwarn, cpp_error_with_line,
2002 cpp_pedwarn_with_line, cpp_pedwarn_with_file_and_line,
2003 cpp_error_from_errno, cpp_perror_with_name, cpp_pfatal_with_name,
2004 cpp_fatal, cpp_message, cpp_pfatal_with_name,
2005 cpp_file_line_for_message, cpp_print_containing_files): Add
2006 arguments to prototypes.
2007 (scan_decls, cpp_finish): Add prototypes.
2009 * cppmain.c: Include gansidecl.h.
2010 (main): Remove unused variable `i'.
2012 * dbxout.c: Include toplev.h.
2014 * demangle.h (do_tlink, collect_execute, collect_exit,
2015 collect_wait, dump_file, file_exists): Add prototype.
2017 * dwarf2out.c (dwarf_type_encoding_name, decl_start_label): Hide
2018 prototype and definition.
2019 (gen_unspecified_parameters_die): Don't assign results of call to
2020 function new_die() to unused variable `parm_die'.
2021 (dwarf2out_line): Mark parameter `filename' with ATTRIBUTE_UNUSED.
2022 (dwarf2out_define): Likewise for `lineno' and `buffer'.
2024 * dwarfout.c (output_unsigned_leb128, output_signed_leb128): Hide
2025 prototype and definition.
2026 (output_die): Add prototype arguments to function pointer arg.
2027 (output_unspecified_parameters_die): Mark parameter `arg' with
2030 * except.c (output_exception_table_entry): Remove unused variable
2033 * except.h (expand_fixup_region_start, expand_fixup_region_end):
2036 * expr.c (do_jump_by_parts_equality_rtx): Remove prototype.
2038 * expr.h (do_jump_by_parts_equality_rtx): Add prototype.
2040 * fix-header.c: Include stdarg.h/varargs.h, move gansidecl.h
2041 before cpplib.h, include cpphash.h, remove redundant prototype of
2042 cpp_fatal, don't define `const', add a prototype for `fatal'.
2043 (cpp_file_line_for_message): Add missing arguments `pfile'.
2044 (v_cpp_message): New function.
2045 (cpp_message): Use it.
2046 (v_fatal): New function.
2047 (fatal, cpp_fatal): Use it.
2048 (cpp_pfatal_with_name): Constify parameter `name'.
2050 * flow.c (free_regset_vector): Remove redundant prototype.
2052 * function.c (round_down): Wrap prototype and definition with
2053 macro ARGS_GROW_DOWNWARD.
2054 (record_insns): Wrap prototype and definition with
2055 defined (HAVE_prologue) || defined (HAVE_epilogue).
2057 * gansidecl.h (ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5): New macros.
2059 * gen-protos.c: Include gansidecl.h.
2060 (hashf): Don't make it static, constify parameter `name'.
2062 * genattrtab.c (check_attr_test): Change XEXP() to XSTR() to match
2063 specifier %s in calls to function `fatal'.
2065 * haifa-sched.c: Include toplev.h.
2066 (find_rgns): Remove unused variable `j'.
2068 * integrate.c (note_modified_parmregs): Mark parameter `x' with
2070 (mark_stores): Likewise.
2072 * jump.c (mark_modified_reg): Likewise.
2074 * output.h (insn_current_reference_address): Add prototype.
2075 (eh_frame_section): Likewise.
2077 * print-rtl.c: Include bitmap.h.
2079 * reload1.c (reload): Wrap variables `note' and `next' in macro
2080 PRESERVE_DEATH_INFO_REGNO_P.
2081 (forget_old_reloads_1): Mark parameter `ignored' with
2083 (choose_reload_regs): Remove unused variable `in'.
2084 (reload_cse_invalidate_mem): Mark parameter `ignore' with
2086 (reload_cse_check_clobber): Likewise.
2088 * rtl.h (expand_null_return, reg_classes_intersect_p): Add prototype.
2089 (mark_elimination): Fix typo in prototype.
2091 * scan-decls.c: Include gansidecl.h.
2093 * tree.h (using_eh_for_cleanups, supports_one_only): Add prototype.
2095 Mon May 18 22:37:33 1998 Jeffrey A Law (law@cygnus.com)
2097 * function.c (identify_blocks): Fix thinko when setting the
2098 block number for NOTE_INSN_BLOCK_END.
2100 Mon May 18 15:30:42 1998 Nick Clifton <nickc@cygnus.com>
2102 * config/v850/lib1funcs.asm: Add .text pseudo op to start of
2105 * config/v850/lib1funcs.asm: Fix .size pseudo ops to use three
2106 underscores for the prefixes to the names of the maths functions.
2108 * dbxout.c (dbxout_parms): Revert to using DECL_ARG_TYPE. Add
2109 comment explaining why.
2111 Mon May 18 13:20:23 1998 Richard Henderson <rth@cygnus.com>
2113 * tree.h (TYPE_SIZE_UNIT): New.
2114 (struct tree_type): Add size_unit member.
2115 * stor-layout.c (layout_type): Initialize it.
2116 * expr.c (get_inner_reference) [ARRAY_REF]: Use it.
2117 * tree.c (size_in_bytes, int_size_in_bytes): Likewise.
2119 Mon May 18 12:07:37 1998 Richard Earnshaw (rearnsha@arm.com)
2121 * stor-layout.c (layout_record): Fix off-by-one error when checking
2122 length of the TYPE_BINFO vector.
2124 Mon May 18 10:59:23 1998 Nick Clifton <nickc@cygnus.com>
2126 * dbxout.c (dbxout_parms): Use TREE_ARG to compute the type of a
2127 function parameter passed in memory.
2129 Mon May 18 09:02:09 1998 Robert Lipe <robertl@dgii.com>
2131 * dwarfout.h, dwarf2out.h, dbxout.h, sdbout.h: New files.
2132 Prototypes for externally used functions in respective C files.
2133 * dwarfout.c, dbxout.c, dwarf2out.c, sdbout.c, toplev,c,
2134 final.c: Include above files.
2135 * Makefile.in (toplev.o): Add dependency for above four headers.
2136 (final.o): Likewise.
2137 (dwarfout.o, dbxout.o, dwarf2out.o, sdbout.o): Depend on four
2138 respective header files.
2140 Mon May 18 01:23:33 1998 Jeffrey A Law (law@cygnus.com)
2142 * Makefile.in (TARGET_TOOLPREFIX): No longer define.
2143 (AR_FOR_TARGET, RANLIB_FOR_TARGET): Define to use versions in
2144 the build tree if they exist.
2145 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Update
2147 (objdir): Let configure substitute value.
2148 (FLOAT_H): Let configure select a pre-built version from the
2150 * build-make (INSTALL_TARGET, ALL): Disable, no longer needed.
2151 * configure.in: Substitute for objdir.
2153 * Makefile.in (build_canonical, host_canonical): Let configure
2154 substitute values for these variables.
2155 * configure.in: Substitute for build_canonical, host_canonical
2156 and target_subdir in generated Makefile.
2158 * output.h (find_basic_blocks): Declare.
2159 (free_basic_block_vars, set_block_num, life_analysis): Likewise.
2161 * Makefile.in (BISON): Use bison from the build tree if it exists.
2164 Mon May 18 00:08:19 1998 Nick Clifton <nickc@cygnus.com>
2166 * gcc.c (SWITCH_CURTAILS_COMPILATION): Definition.
2167 (DEFAULT_SWITCH_CURTAILS_COMPILATION): True for options -S and -c.
2168 (process_command): If HAVE_EXECUTABLE_SUFFIX is defined then scan
2169 command line arguments to see if an executable is not being
2170 created, and if so - do not append the suffix.
2172 * tm.texi (SWITCH_CURTAILS_COMPILATION): Add description of new
2175 Sun May 17 23:59:45 1998 John Wehle (john@feith.com)
2177 * i386.h (ALIGN_DFmode): Delete.
2178 (CONSTANT_ALIGNMENT): Define.
2179 * varasm.c (force_const_mem): Use it.
2181 Sun May 17 19:31:05 1998 Richard Henderson <rth@cygnus.com>
2183 * alpha.c (alpha_emit_conditional_branch): Clear cmp_code after
2184 using it with swap_condition, not before.
2186 Sun May 17 13:44:32 1998 Jim Wilson <wilson@cygnus.com>
2188 * alias.c (mode_alias_check): Delete.
2189 (true_dependence, anti_dependence, output_dependence): Revert April 21
2192 Sun May 17 08:45:21 1998 Krister Walfridsson <cato@df.lth.se>
2194 * toplev.c (output_lang_identify): Enable prototype and definition.
2196 Sun May 17 01:12:27 PDT 1998 Jeff Law (law@cygnus.com)
2198 * version.c: Bump for snapshot.
2200 Sat May 16 23:20:32 1998 Richard Henderson <rth@cygnus.com>
2202 * alpha/osf.h (HAVE_STAMP_H): Define.
2204 * alpha/netbsd.h, alpha/netbsd-elf.h: New files.
2205 * configure.in (alpha*-*-netbsd*): New.
2206 Based on patches from Paul H. Anderson <pha@pdq.com>.
2208 * configure.in (alpha*-*-linux-*): Kill xm_defines.
2209 (alpha*-*-linux-gnulibc1*) [fixincludes]: Define.
2210 * alpha/xm-linux.h: Remove file.
2212 Sat May 16 18:32:45 1998 Doug Evans <devans@canuck.cygnus.com>
2214 * dbxout.c (dbxout_parms): If mode of type of parameter living
2215 in memory doesn't match mode of DECL_RTL, make big endian correction.
2217 Fri May 15 21:40:06 1998 John Wehle (john@feith.com)
2219 * i386.md (movdi-1, movdi): Rewrite based on SI move patterns.
2221 Fri May 15 18:55:22 1998 Jason Merrill <jason@yorick.cygnus.com>
2223 * tree.h (BINFO_SIZE, TYPE_BINFO_SIZE): New macros.
2224 * stor-layout.c (layout_record): Set it.
2226 Fri May 15 18:49:30 1998 Mark Mitchell <mmitchell@usa.net>
2228 * toplev.c (rest_of_compilation): Don't defer nested functions.
2230 Fri May 15 17:42:52 1998 Bob Manson <manson@charmed.cygnus.com>
2232 * config/rs6000/rs6000.c (rs6000_stack_info): Align the stack bottom
2233 to an 8-byte boundary if info_ptr->fpmem_p.
2235 Fri May 15 17:36:11 1998 Bill Moyer <ttk@cygnus.com>
2237 * loop.c (basic_induction_var): Added test preventing
2238 CCmode parameter passed to convert_modes().
2240 Fri May 15 17:26:18 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2242 * expr.c (expand_expr, case EXPR_WITH_FILE_LOCATION): Save/restore
2243 input_filename and lineno around expand_expr call. Set them to values
2244 in WFL before expand_expr call.
2246 Fri May 15 12:44:57 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
2248 * stor-layout.c (set_sizetype): Set TYPE_NAME on bitsizetype.
2250 Fri May 15 07:20:03 1998 Mark Mitchell <mmitchell@usa.net>
2252 * fold-const.c (constant_boolean_node): New function.
2255 Fri May 15 11:21:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2257 * sh.c (gen_shl_and): Don't sign extend constant for kind two.
2258 Abort if trying to split kind 3 or 4 outside of combine.
2260 Fri May 15 01:47:37 1998 Jeffrey A Law (law@cygnus.com)
2262 * mips.c (print_operand, case 'x'): Use HOST_WIDE_INT_PRINT_HEX.
2264 Fri May 15 01:42:45 1998 Mumit Khan <khan@xraylith.wisc.edu>
2266 * objc/Make-lang.in (OBJC_O): Add missing exeext.
2267 (libobjc.a, runtime-info.h): Likewise.
2269 Fri May 15 01:29:39 1998 John Wehle (john@feith.com)
2271 * i386.h (DATA_ALIGNMENT): Define.
2273 Fri May 15 05:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2275 * reload1.c (delete_output_reload): Ignore single USE that
2276 was emitted for the pseudo use of this INSN.
2277 If the no reference to REG between OUTPUT_RELOAD_INSN and INSN
2278 remains, we can always delete OUTPUT_RELOAD_INSN.
2280 Thu May 14 18:38:50 1998 Jim Wilson <wilson@cygnus.com>
2282 * reload.c (find_reloads): Don't penalize SCRATCH output reload.
2284 Thu May 14 15:10:30 1998 Jeffrey A Law (law@cygnus.com)
2286 * Makefile.in (expr.o): Remove dependency on deleted modemap.def file.
2288 Thu May 14 16:30:47 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
2290 * eh-common.h: New file for basic EH data structures.
2291 * except.h: Various prototypes and structures for NEW_EH_MODEL
2292 * function.h (struct function): Add a struct eh_stack for the catch
2294 * except.c (gen_exception_label): New function to generate an
2296 (push_eh_entry): Use gen_exception_label() and init 'label_used' field.
2297 (push_entry): New function to push an existing entry onto a stack.
2298 (receive_exception_label): New function to emit the code required
2299 at the start of all catch blocks.
2300 (struct func_eh_entry): New structure for maintaining handlers
2301 associated with EH regions.
2302 (new_eh_region_entry): New function to register an EH region.
2303 (add_new_handler): New function to register a handler with a region.
2304 (get_new_handler): Creates anew handler entry for registering.
2305 (find_func_region): New function to convert a NOTE eh region number
2306 to an Eh region index.
2307 (get_first_handler): New function to get the first handler in a region.
2308 (clear_function_eh_region): New function to release memory.
2309 (duplicate_handlers): New function to duplicate a list of handlers.
2310 (expand_eh_region_end): Create a new region entry node as well.
2311 (expand_leftover_cleanups): Call receive_exception_label() and
2312 register the cleanup as a handler to the current region.
2313 (expand_start_catch): New function to start a catch clause.
2314 (expand_end_catch): New function to end a catch clause.
2315 (expand_start_all_catch): restructure to not do the equivilent of
2316 what expand_start_catch() does now. Push the exception region being
2317 handled onto the catch stack.
2318 (output_exception_table_entry): Issue an entry for each handler
2319 associated with a region.
2320 (set_exception_lang_code): New function for setting the language code.
2321 (set_exception_version_code): New function to set the version number.
2322 (output_exception_table): Output version and language codes.
2323 (find_exception_handler_labels): Find handler labels using new scheme.
2324 (is_exception_handler_label): New function, returns 1 if label is
2325 present as a handler in some exception region.
2326 (check_exception_handler_labels): Use the new scheme.
2327 (init_eh_for_function): Initialize the catch stack.
2328 (save_eh_status): Save the catch stack.
2329 (restore_eh_status): Restore the catch stack.
2330 (scan_region): Don't remove unreferenced handler label. Flow does it.
2331 (get_reg_for_handler): New function to get the eh_context pointer
2333 (expand_builtin_eh_stub): Changes required for NEW_EH_MODEL only.
2334 * final.c (final_scan_insn): With NEW_EH_MODEL, add EH table
2335 entry when processing END region rather that START region.
2336 * flow.c (find_basic_blocks_1): Find all potential handler regions
2337 now that we don't automatically know what the labels might be.
2338 Let scan_region() remove unreferenced EH BEGIN/END labels.
2339 * integrate.c (get_label_from_map): Put inlined labels onto the
2340 permanent obstack since we dont know which ones might be exception
2342 (save_for_inline_copying): Make new copies of all the handlers.
2343 (expand_inline_function): Make new copies of all the handlers.
2344 * libgcc2.c: Remove local struct decls, and include eh-common.h.
2345 (find_exception_handler): With NEW_EH_MODEL the first matching
2346 region we find is the right one. Add eh_info as a new parameter.
2347 (__throw): Pass eh_info to find_exception_handler. Set handler
2348 and pass use different regs under NEW_EH_MODEL.
2350 Thu May 14 12:58:21 1998 Jim Wilson <wilson@cygnus.com>
2352 * i960.h (hard_regno_mode_ok): Changed to function from array of
2354 (HARD_REGNO_MODE_OK): Call function instead of testing bit.
2355 * i960.c (hard_regno_mode_ok): Changed to function from array of
2358 Thu May 14 08:41:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2360 * reload.c (remove_replacements): New function.
2361 * reload.h (remove_replacements): Declare.
2362 * reload1.c (choose_reload_regs): Disable some reloads that
2363 belong to inherited reloads.
2365 Thu May 14 02:17:17 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2367 * loop.c (scan_loop): Don't call move_moveables for optimize_size.
2369 * reload1.c (merge_assigned_reloads): When merging, reset
2370 reload_spill_index for the eliminated reload.
2372 Wed May 13 17:51:13 1998 Jeffrey A Law (law@cygnus.com)
2374 * haifa-sched.c (schedule_insns): Fix merge goof.
2376 1998-05-13 Jim Wilson <wilson@cygnus.com>
2378 * varasm.c (make_decl_rtl): Revert April 1 change.
2379 * alpha/alpha.h, alpha/win-nt.h, arm/arm.h, i386/unix.h, i960/i960.h,
2380 m68k/linux.h, pa/pa.h, sparc/sparc.h, vax/vax.h (ASM_OUTPUT_MI_THUNK):
2381 Get function name from the SYMBOL_REF in the DECL_RTL, not from
2382 DECL_ASSEMBLER_NAME.
2383 * i386/winnt.c (gen_stdcall_suffix): Comment for questionable use of
2384 DECL_ASSEMBLER_NAME.
2386 Wed May 13 13:09:19 1998 Jim Wilson <wilson@cygnus.com>
2388 * i386.c (notice_update_cc, output_float_compare): Disable
2389 TARGET_CMOVE support.
2391 Wed May 13 15:28:59 1998 Michael Meissner <meissner@cygnus.com>
2392 Jeff Law <law@cygnus.com>
2394 * rtlanal.c (find_reg_note): Ignore notes that are not on on
2396 (find_regno_note): Likewise.
2398 * Makefile.in (stor-layout.o): Depend on except.h
2399 (varasm.o, function.o): Likewise.
2400 (expr.o): Depend on except.h, modemap.def and hard-reg-set.h.
2402 * Makefile.in (HOST_RTL): Add $(HOST_PREFIX)bitmap.o.
2403 (rtl.o, emit-rtl.o): Add dependency on bitmap.h.
2404 ($(HOST_PREFIX_1)rtl.o): Likewise.
2405 ($(HOST_PREFIX_1)bitmap.o): New host object.
2406 * emit-rtl.c (toplevel): Include bitmap.h.
2407 (gen_rtx): Handle 't' and 'b' nodes.
2408 * print-rtl.c (print_rtx): Handle printing NOTE_INSN_LIVE notes.
2409 Print block number for block begin/end notes. Print 't' type
2410 nodes as a pointer. Know that the 3rd argument of live range
2411 start/stop notes is really a range_info rtx. If type is 'b', print
2412 out argument as a bitmap.
2413 * rtl.c: Include bitmap.c.
2414 (copy_rtx): Copy tree nodes as is. Copy bitmaps if type is 'b'.
2415 (note_insn_name): Add NOTE_INSN_RANGE_{START,END}, NOTE_INSN_LIVE.
2416 * rtl.def (RANGE_LIVE): New node to hold live information while we
2417 recalculate the basic blocks.
2418 (RANGE_REG, RANGE_INFO): New rtl types for live range splitting.
2419 (RANGE_VAR): New node, to hold information saved in symbol node for New
2420 communicating live range information to the debug output functions.
2421 * rtl.h (rtunion_def): Add rttree and rtbit fields.
2422 (XBITMAP, XTREE): New accessor macros.
2423 (NOTE_LIVE_INFO): Overload NOTE_SOURCE_FILE for NOTE_INSN_LIVE notes.
2424 (NOTE_RANGE_INFO): Similarly for NOTE_INSN_RANGE_{START,END} notes.
2425 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Define.
2426 (NOTE_INSN_RANGE_START, NOTE_INSN_RANGE_END, NOTE_INSN_LIVE): New notes.
2427 (RANGE_LIVE_{BITMAP,ORIG_BLOCK}): New accessor macros.
2428 (RANGE_REG_{SYMBOL,BLOCK}_NODE, RANGE_VAR_*): New accessor macros.
2429 (RANGE_INFO_*): Likewise.
2430 * sched.c (sched_analyze): Keep live range start/stop notes.
2431 (unlink_other_notes): Likewise.
2432 * haifa-sched.c (sched_analyze): Keep live range start/stop notes.
2433 (unlink_other_notes): Likewise.
2434 * tree.h (BLOCK_LIVE_RANGE_{START,END,VAR_FLAG}): New accessor macros.
2435 (BLOCK_LIVE_RANGE_FLAG): Likewise.
2436 (DECL_LIVE_RANGE_RTL): Likewise.
2437 (struct tree_block): Add live_range_flag, live_range_var_flag,
2438 live_range_start and live_range_end.
2439 (struct tree_decl): Add live_range_rtl field.
2440 * gengenrtl.c (type_from_format): Handle 'b' and 't'.
2441 (accessor_from_format): Likewise.
2443 * haifa-sched.c (schedule_block): Make verbose output line up.
2444 Also add a blank line in printing the individual ready lists.
2446 Wed May 13 15:43:44 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2448 * Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
2449 (c-lex.o): Depend on output.h.
2450 (c-common.o): Likewise.
2452 (calls.o): Likewise.
2453 (integrate.o): Depend on toplev.h.
2454 (regclass.o): Depend on output.h.
2455 (final.o): Depend on reload.h.
2457 * c-common.c: Include output.h.
2458 (check_format_info): Remove unused variable `integral_format'.
2460 * c-decl.c (print_lang_decl): Mark parameters `file', `node' and
2461 `indent' with ATTRIBUTE_UNUSED.
2462 (print_lang_type): Likewise.
2463 (maybe_build_cleanup): Likewise for parameter `decl'.
2464 (copy_lang_decl): Likewise for parameter `node'.
2466 * c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
2467 (lang_print_xnode): Mark parameters `file', `node' and `indent'
2468 with ATTRIBUTE_UNUSED.
2469 (lookup_interface): Likewise for parameter `arg'.
2470 (is_class_name): Likewise.
2471 (maybe_objc_check_decl): Likewise for parameter `decl'.
2472 (maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
2474 (maybe_objc_method_name): Likewise for parameter `decl'.
2475 (build_objc_string): Likewise for parameters `len' and `str'.
2477 * c-lex.c: Include output.h.
2479 * c-lex.h (position_after_white_space): Correct typo in prototype.
2481 * c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
2482 c_expand_end_cond, init_iterators): Add prototypes.
2484 * caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
2485 with ATTRIBUTE_UNUSED.
2487 * calls.c: Include output.h.
2489 * cccp.c (pipe_closed): Mark parameter `signo' with
2492 * combine.c: Move inclusion of expr.h to after insn-config.h.
2494 * iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
2495 as empty, rather define as ((void)0).
2497 * sparc.c (sparc_check_64): Add braces around ambiguous `else'.
2498 Add parentheses around assignment used as truth value.
2500 * cplus-dem.c (squangle_mop_up): Change return type to void.
2501 (internal_cplus_demangle): Remove unused parameter `options'.
2502 All callers changed.
2503 (cplus_demangle_opname): Remove function wide variable `int i' and
2504 replace with `size_t i' at each location where it is used.
2505 (cplus_demangle_opname): change type of `i' from int to size_t.
2507 * cppexp.c (right_shift): Mark parameter `pfile' with
2510 * cpphash.c (cpp_lookup): Likewise.
2511 (cpp_hash_cleanup): Likewise.
2513 * cpplib.c (parse_name): Add a prototype and make it static.
2514 (null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
2515 (null_cleanup): Likewise for parameters `pbuf' and `pfile'.
2516 (macro_cleanup): Likewise for parameter `pfile'.
2517 (file_cleanup): Likewise.
2519 * cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
2520 cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
2522 * crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
2523 __DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
2525 * cse.c (cse_check_loop_start): Mark parameter `set' with
2528 * dbxout.c (flag_minimal_debug, have_used_extensions,
2529 source_label_number): Move inside macro wrapper check against
2530 defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
2532 * dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
2534 * except.h (doing_eh): Provide prototype.
2536 * expr.c: Move inclusion of expr.h to after insn-config.h.
2538 * final.c: Include reload.h.
2539 (shorten_branches): Cast the first argument of bzero to char *.
2541 * fix-header.c (cpp_print_containing_files): Mark parameter
2542 `pfile' with ATTRIBUTE_UNUSED.
2543 (cpp_fatal): Likewise.
2545 * flow.c (find_basic_blocks_1): Cast the first argument of bzero
2548 * genattrtab.c (make_length_attrs): Change the type of variable
2549 `i' from int to size_t.
2550 (zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
2553 * genextract.c (main): When generating insn-extract.c, mark
2554 variable `junk' with ATTRIBUTE_UNUSED.
2556 * gengenrtl.c (gencode): When generating genrtl.c, cast the first
2557 argument of bzero to char*.
2559 * integrate.c: Include toplev.h.
2561 * libgcc2.c: Wrap `struct exception_table' and
2562 `find_exception_handler' in macro DWARF2_UNWIND_INFO.
2564 * objc/Make-lang.in (objc-act.o): Depend on toplev.h.
2566 * objc/objc-act.c: Include toplev.h.
2567 (lang_print_xnode): Mark parameters `file', `node' and `indent'
2568 with ATTRIBUTE_UNUSED.
2569 (finish_protocol): Likewise for parameter `protocol'.
2571 * output.h (declare_weak): Add prototype.
2572 (decode_reg_name): Don't wrap with TREE_CODE macro.
2573 (assemble_alias): Add prototype.
2575 * regclass.c: Include output.h.
2577 * reload.h (reloads_conflict): Add prototype.
2579 * rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
2580 output_func_start_profiler): Add prototypes.
2582 * rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
2585 * scan-decls.c: Include scan.h.
2587 * scan.h (recognized_function, recognized_extern): Add prototypes.
2589 * stmt.c: Include output.h.
2591 * toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
2592 (output_lang_identify): Hide prototype and definition.
2593 (float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
2594 (pipe_closed): Likewise.
2596 * toplev.h (count_error, strip_off_ending, error_for_asm,
2597 warning_for_asm): Add prototypes.
2599 Wed May 13 12:54:19 1998 Michael Meissner <meissner@cygnus.com>
2601 * toplev.c (rest_of_compilation): "Charge" final for any time
2602 doing various cleanup operations after finishing compilation
2605 * flow.c (dump_flow_info): Also print number of sets and
2606 whether or not the pseudo is a user variable.
2608 * flow.c (reg_n_max): New global variable.
2609 * regclass.c (allocate_reg_info): Keep reg_n_max up to date.
2610 Delete regno_max variable.
2611 * regs.h (REG_N_CHECK): Define.
2612 (REG_N_REFS, REG_N_SETS, REG_N_DEATHS): Use REG_N_CHECK.
2613 (REG_N_CHANGES_SIZE, REG_N_CALLS_CROSSED, REG_LIVE_LENGTH): Likewise.
2614 (REGNO_FIRST_UID, REGNO_LAST_UID, REGNO_LAST_NOTE_UID): Likewise.
2616 Wed May 13 12:54:19 1998 Martin von Loewis <martin@mira.isdn.cs.tu-berlin.de>
2618 * acconfig.h (ENABLE_CHECKING): Undefine.
2619 * configure.in (--enable-checking): New option.
2621 Wed May 13 08:52:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2623 * reload1.c (merge_assigned_reloads): Can merge
2624 RELOAD_FOR_INPUT_ADDRESS and RELOAD_FOR_OTHER_ADDRESS even
2625 if RELOAD_FOR_INPUT with the same reload_reg_rtx is present.
2627 Tue May 12 20:05:57 1998 Jim Wilson <wilson@cygnus.com>
2629 * collect2.c (main): Ignore do_collecting when COLLECT_EXPORT_LIST.
2631 Wed May 13 03:23:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2633 * reload1.c (gen_reload): Create REG_EQUIV notes.
2635 Tue May 12 22:21:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2637 * reload1.c (reload): Fix check for USEs to use code of pattern.
2638 (choose_reload_regs): Remove dead variable use_insn.
2640 Tue May 12 14:04:49 1998 Jeffrey A Law (law@cygnus.com)
2642 * pa.h (DBX_CONTIN_LENGTH): Reduce to 3000 bytes.
2644 Tue May 12 15:16:02 1998 Michael Meissner <meissner@cygnus.com>
2646 * haifa-sched.c (HAIFA_INLINE): Define to be __inline unless
2648 (find_insn_{,mem_}list): Use HAIFA_INLINE, not __inline.
2649 (insn_{unit,issue_delay}): Ditto.
2650 (blockage_range): Ditto.
2651 (actual_hazard{,_this_instance}): Ditto.
2652 (schedule_unit): Ditto.
2653 (potential_hazard): Ditto.
2656 (queue_insn): Ditto.
2657 (birthing_insn_p): Ditto.
2658 (adjust_priority): Ditto.
2659 (get_block_head_tail): Ditto.
2660 (init_rgn_data_dependences): Ditto.
2662 Tue May 12 10:27:54 1998 Klaus Kaempf <kkaempf@progis.de>
2664 * alpha/vms.h (COMMON_ASM_OP, ASM_OUTPUT_ALIGNED_COMMON): Define.
2666 Tue May 12 11:44:14 1998 Gavin Koch <gavin@cygnus.com>
2668 * config/mips/mips.h (ASM_OUTPUT_ALIGN): Remove trailing semi-colon.
2670 Tue May 12 11:38:31 1998 Gavin Koch <gavin@cygnus.com>
2672 * config/mips/mips.md (dslot): Move after definition of "cpu"
2673 attribute. Handle r3900 case.
2675 Tue May 12 10:21:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2677 * system.h: Define the STRINGIFY macro here.
2678 * protoize.c: Not here.
2679 * gengenrtl.c (DEF_RTL_EXPR): Use the STRINGIFY macro.
2681 Tue May 12 00:47:33 1998 John Wehle (john@feith.com)
2683 * varasm.c (assemble_variable): Compute the alignment of the data
2684 earlier so that both initialized and uninitialized variables are
2685 effected by DATA_ALIGNMENT.
2686 * tm.texi (DATA_ALIGNMENT): Updated appropriately.
2688 Mon May 11 19:57:58 1998 Jeffrey A Law (law@cygnus.com)
2690 * mips.c: Prototype static functions.
2692 Mon May 11 17:43:03 1998 Jim Wilson <wilson@cygnus.com>
2694 * regmove.c (fixup_match_2, find_matches, regmove_profitable):
2695 Add explanatory comments.
2697 * sparc.h (SPARC_INCOMING_INT_ARG_FIRST): Support TARGET_FLAT.
2699 Mon May 11 17:24:27 1998 Richard Henderson <rth@cygnus.com>
2701 * sparc.md (ffsdi2): Disable. Simplify the expression as well.
2703 Mon May 11 13:30:44 1998 Jim Wilson <wilson@cygnus.com>
2705 * varasm.c (make_decl_rtl): Disable April 1 change.
2707 Mon May 11 09:14:41 1998 Richard Henderson <rth@cygnus.com>
2709 * configure.in (alpha-*-linux-gnu): Undo lossage from gcc2 merge.
2711 Mon May 11 08:24:18 1998 Richard Henderson <rth@cygnus.com>
2713 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '`'.
2714 * alpha.c (print_operand): Handle it.
2715 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): New patterns and
2716 related define_splits. Also add peepholes for SImode reload
2717 plus sign_extend lossage.
2719 Mon May 11 09:33:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2721 * genattr.c: Include stdarg.h/varargs.h. Change function
2722 `fatal' to use variable arguments instead of faking it with
2723 integer parameters. Provide a prototype which also
2724 checks the format specifiers using ATTRIBUTE_PRINTF_1.
2726 * genattrtab.c: Likewise.
2727 * gencodes.c: Likewise.
2728 * genconfig.c: Likewise.
2729 * genemit.c: Likewise.
2730 * genextract.c: Likewise.
2731 * genflags.c: Likewise.
2732 * genopinit.c: Likewise.
2733 * genpeep.c: Likewise.
2734 * genrecog.c: Likewise.
2735 * genoutput.c: Likewise. Similarly for function `error'.
2737 Sun May 10 02:27:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2739 * acconfig.h (HAVE_VOLATILE): Insert stub for autoconf.
2740 * alocal.m4 (GCC_C_VOLATILE): New autoconf test.
2741 * configure.in: Use GCC_C_VOLATILE.
2742 * system.h (volatile): Define as empty if no volatile support is
2745 Sun May 10 01:21:43 1998 Jeffrey A Law (law@cygnus.com)
2747 * genemit.c (output_add_clobbers): Removed unused variable 'i' from
2750 Sat May 9 02:02:15 1998 Richard Henderson <rth@cygnus.com>
2752 * loop.c (get_condition): Don't combine when either compare is MODE_CC.
2753 * alpha.c (alpha_emit_conditional_branch): New function. Taken from
2754 the body of beq; additionally set the mode of the branch to CCmode for
2755 FP compares and not fast_math.
2756 (alpha_emit_conditional_move): Always use a compare insn for FP
2757 when not fast_math, as well as setting CCmode on the cmov.
2758 * alpha.md (beq, bne, blt, et al): Call alpha_emit_conditional_branch.
2760 * machmode.h (COMPLEX_MODE_P): New macro.
2762 Sat May 9 01:53:23 1998 Richard Henderson <rth@cygnus.com>
2764 * haifa-sched.c (print_exp): Fix typo.
2766 Fri May 8 21:48:50 PDT 1998 Jeff Law (law@cygnus.com)
2768 * version.c: Bump for snapshot.
2770 Fri May 8 18:23:08 1998 Michael Meissner <meissner@cygnus.com>
2772 * final.c (final_scan_insn): Call fatal_insn instead of abort if
2773 we could not split an insn when required to.
2775 * m32r.md ({add,sub}di3): Add define_splits and appropriate low
2777 (peepholes): Disable peepholes that call dead_or_set_p.
2778 (movsi): Rewrite to handle addresses better after last change.
2779 Add define_split to split load of addresses in large/medium modes.
2780 (prologue): Call m32r_expand_prologue.
2781 (movsi_{push,pop}): Generators for push/pop.
2782 (movsi): Support PRE_{INC,DEC}, POST_INC.
2783 (mov{di,df}): Rewrite. Always split the insns.
2784 (movsf): Add define_split to get register load in correct mode.
2785 (cmp_ne_small_const_insn): Use 'N' instead of 'S' constraint.
2786 (attributes): Rewrite attributes so that type indicates both the
2787 type and the length of the insn directly.
2788 (all insns): Change to use new type attributes.
2789 (debug): New attribute to convey whether -mdebug was used.
2790 (opt_space): New attribute to convey whether -Os was used.
2791 (function units): Loads are 3 cycles, not 2. Better classify all
2792 insns into short/long.
2793 (load/store/extend insns): Add separate case for load/store
2794 indirect operations without an offset.
2795 (divsi3): Division is a long operation, not short.
2797 * m32r.h (LEGITIMATE_LO_SUM_ADDRESS_P): Do not allow LO_SUM for
2799 (GO_IF_MODE_DEPENDENT_ADDRESS): LO_SUM is now mode dependent.
2800 (CONST_OK_FOR_LETTER_P): Make 'N' handle reverse 8 bit compares.
2801 (EXTRA_CONSTRAINT): Remove 'S' special support. Add 'U' for
2802 operands with PRE_{INC,DEC}, POST_INC.
2803 (FUNCTION_PROFILER): Call abort instead of doing nothing.
2804 (GO_IF_LEGITIMATE_ADDRESS): Allow PRE_{INC,DEC}, POST_INC of
2806 (gen_split_move_double): Declare.
2807 (EXTRA_CONSTRAINT): Add 'T' for memory reference with no offset.
2809 * m32r.c (gen_split_move_double): Fix typo. Also, don't call
2810 emit_move_insn, build up SET's directly.
2811 (toplevel): Include system.h, not stdio.h.
2812 (move_double_src_operand): Allow any DF or DI mode constant.
2813 (gen_split_move_double): Split moves of DI or DF values into the
2814 appropriate moves, loads, or stores. Don't handle use of auto
2815 inc/dec if using dead index. Do handle overlapping moves, etc.
2816 (m32r_frame_info): Remove prologue_size field.
2817 (m32r_compute_frame_size): Don't calculate prologue size.
2818 (m32r_output_function_prologue): Change to pretty much a NOP.
2819 (m32r_expand_prologue): Expand prologue as a series of INSNs.
2820 (m32r_print_operand): Add support for PRE_{INC,DEC}, POST_INC.
2821 (m32r_print_operand_address): Ditto.
2823 Fri May 8 14:13:21 1998 H.J. Lu (hjl@gnu.org)
2825 * reload1.c (emit_reload_insns): When performing expensive
2826 optimizations, do not output the last reload insn if OLD is
2827 not the dest of NSN and is in the src and is clobbered by INSN.
2829 Fri May 8 09:47:29 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2831 * Makefile.in (genrtl.o): Depend on system.h.
2832 * gengenrtl.c (gencode): When creating genrtl.c, have it
2835 Fri May 8 10:57:33 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2837 * config/m68k/t-linux: Remove extra stuff already included in
2840 Fri May 8 09:53:24 Paul Eggert <eggert@twinsun.com>
2842 * fixinc.wrap: Renamed from fixinc.math. Put wrapper around
2843 curses.h if it contains `typedef char bool;', as suggested by
2844 Manfred Hollstein <manfred@s-direktnet.de>.
2846 * configure.in: Rename fixinc.math to fixinc.wrap.
2848 Thu May 7 19:26:34 1998 Jim Wilson <wilson@cygnus.com>
2850 * gcc.c (read_specs): Handle missing blank line at end of specs file.
2852 * i386.md (movsicc, movhicc, movsicc_1, movhicc_1, movsfcc_1,
2853 movdfcc_1): Disable.
2855 Thu May 7 15:39:14 1998 Jim Wilson <wilson@cygnus.com>
2857 * configure.in (enable_threads): Rename to enable_threads_flag before
2858 main loop. Set enable_threads to enable_threads_flag inside main
2861 Thu May 7 17:38:03 1998 Michael Meissner <meissner@cygnus.com>
2863 * r6000/eabi.asm (__eabi): Restore LR in case __eabi is called
2866 Thu May 7 14:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2868 * aclocal.m4 (GCC_FUNC_VFPRINTF_DOPRNT): New macro.
2870 * configure.in: Add a call to GCC_FUNC_VFPRINTF_DOPRNT.
2871 (AC_CHECK_HEADERS): Remove unused check for varargs.h,sys/varargs.h.
2872 (AC_CHECK_FUNCS): Remove unused check for vprintf.
2874 * Makefile.in: Add support for linking in vfprintf.c and doprint.c.
2875 (cccp.o): Depend on gansidecl.h.
2878 * cccp.c: Convert from using PRINTF_ALIST/PRINTF_DCL to VPROTO as
2879 per the rest of gcc source.
2880 * cexp.y: Likewise. Include gansidecl.h and remove all code made
2883 * cccp.c: Remove checks for HAVE_VPRINTF and the associated code
2884 used when vfprintf is missing.
2887 * genattrtab.c: Likewise.
2888 * mips-tfile.c: Likewise.
2889 * toplev.c: Likewise.
2891 * vfprintf.c: New file.
2892 * doprint.c: New file.
2894 Thu May 7 10:18:41 1998 Jeffrey A Law (law@cygnus.com)
2896 * config/linux.h (ASM_COMMENT_START): Remove from here,
2897 * config/linux-aout.h (ASM_COMMENT_START): and here,
2898 * config/i386/linux.h (ASM_COMMENT_START): to here,
2899 * config/i386/linux-aout.h (ASM_COMMENT_START): and here.
2900 * config/i386/linux-oldld.h (ASM_COMMENT_START): Define
2903 Thu May 7 10:55:59 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2905 * config/m68k/m68k.md (adddi3, subdi3): Properly negate the DImode
2908 Wed May 6 22:32:37 CDT 1998 Robert Lipe <robertl@dgii.com>
2910 * Makefile.in (dwarfout.o) Add toplev.h dependency.
2911 * dwarfout.c, i386.c: Include toplev.h
2912 * toplev.h: (pfatal_with_name) Add prototype.
2914 Wed May 6 19:02:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2916 * Makefile.in: Fix .SUFFIXES.
2918 Wed May 6 19:31:32 1998 Alan Modra <alan@spri.levels.unisa.edu.au>
2920 * config/linux.h (ASM_COMMENT_START): Define as "#".
2921 * config/linux-aout.h (ASM_COMMENT_START): Likewise.
2923 Wed May 6 15:51:39 1998 Jim Wilson <wilson@cygnus.com>
2925 * objc/Make-lang.h (objc-parse.o): Add toplev.h dependency.
2926 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2928 * toplev.c: Include toplev.h.
2929 * Makefile.in (c-common.o, c-convert.o, c-decl.o, c-iterate.o,
2930 c-lex.o, c-parse.o, c-pragma.o, c-typeck.o, calls.o, convert.o,
2931 dwarf2out.o, except.o, expr.o, final.o, fold-const.o, function.o,
2932 hash.o, profile.o, real.o, reg-stack.o, regclass.o, reload.o,
2933 reload1.o, stmt.o, stor-layout.o, tlink.o, tree.o, varasm.o): Add
2934 toplev.h dependency.
2936 * mips/mips.c (save_restore_insns): Change FRAME_POINTER_REGNUM to
2937 HARD_FRAME_POINTER_REGNUM.
2939 * expr.c (target_temp_slot_level): Delete duplicate definition.
2941 Wed May 6 16:46:01 1998 Jeffrey A Law (law@cygnus.com)
2943 * stmt.c (mark_seen_cases): Make it have external linkage again.
2944 * expr.h (mark_seen_cases): Add declaration, but only when tree.h
2947 * haifa-sched.c (print_value, case SUBREG): Fix typo.
2949 * i386.c (output_387_binary_op): Add some braces to avoid warnings.
2950 * i386.h (REG_CLASS_CONTENTS): Similarly.
2952 * toplev.c (-fsched-max): Delete flag.
2953 (-fsched-interblock-max-blocks,-fsched-interblock-max-insns): Likewise.
2954 * haifa-sched.c: Remove -fsched-max-N, -fsched-interblock-max-blocks-N
2955 and -fsched-interblock-max-insns-N support. Remove INTERBLOCK_DEBUG
2958 * haifa-sched.c (find_rgns): Correctly handle reducible loops with
2959 inner loops which are not reducible.
2961 * loop.c (regs_match_p): Fix typo in prototype.
2963 * regmove.c (try_auto_increment): Wrap declaration inside an
2964 #ifdef AUTO_INC_DEC.
2966 Wed May 6 17:07:47 1998 Michael Meissner <meissner@cygnus.com>
2968 * final.c (output_operand_lossage): Call fatal with the operand
2969 lossage message instead of calling abort.
2971 Wed May 6 15:37:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2973 * c-common.c: Convert to using ctype macros defined in system.h.
2974 * c-lex.c: Likewise.
2976 * collect2.c: Likewise.
2977 * rs6000.c: Likewise.
2978 * cpplib.c: Likewise.
2979 * fix-header.c: Likewise.
2981 * gen-protos.c: Likewise.
2982 * pexecute.c: Likewise.
2983 * protoize.c: Likewise.
2987 * tlink.c: Likewise.
2988 * toplev.c: Likewise.
2990 Wed May 6 14:44:14 1998 Gavin Koch <gavin@cygnus.com>
2992 * config/mips/r3900.h (SUBTARGET_ASM_DEBUGGING_SPEC) :
2993 Replace -gdwarf-2 with -g0.
2995 Wed May 6 11:43:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2997 * Makefile.in (mips-tfile.o, mips-tdump.o): Depend on system.h.
2998 * mips-tdump.c: Include system.h, remove redundant headers.
2999 * mips-tfile.c: Likewise. Also, convert all ctype function calls
3000 to calls of the macro versions defined in system.h.
3002 * objc/Make-lang.in (objc-act.o): Depend on system.h.
3003 * objc/objc-act.c: Include system.h, remove redundant headers.
3005 Wed May 6 11:21:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3007 * configure.in (AC_CHECK_FUNCS): Add isascii.
3008 (GCC_NEED_DECLARATIONS): Add atof.
3010 * system.h: Provide prototypes for abort, atof, atol and sbrk here.
3011 * rtl.c, rtl.h, toplev.c, tree.h: Not here.
3013 Wed May 6 10:52:49 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3015 * system.h: Wrap time.h and sys/file.h in autoconf checks.
3016 Provide default definitions for O_RDONLY and O_WRONLY here.
3018 * cccp.c, cpplib.c, fix-header.c, gcc.c, protoize.c: Not here.
3020 1998-05-06 Mark Mitchell <mmitchell@usa.net>
3022 * tree.h (IS_EXPR_CODE_CLASS): Remove bogus '3'.
3024 Wed May 6 06:35:38 1998 Robert Lipe <robertl@dgii.com>
3026 * toplev.h: New file. Protypes for functions in toplev.c.
3027 * tree.h, rtl.h: Deleted protos for functions in toplev.c.
3028 * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
3029 c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
3030 convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
3031 function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
3032 reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
3033 varasm.c: include it.
3035 Wed May 6 01:09:01 1998 Jeffrey A Law (law@cygnus.com)
3036 Jim Wilson (wilson@cygnus.com)
3038 * haifa-sched.c (find_rgns): In no_loops case, fix test for leaf
3039 blocks. Check for 1 successor which is the EXIT_BLOCK.
3041 * haifa-sched.c (find_rgns): Detect unreachable blocks, including
3042 unreachable loops with more than one block.
3044 Wed May 6 08:22:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
3046 * fix-header.c (write_rbrac): Add "abort" to functions which need to
3049 Wed May 6 00:09:36 1998 Jeffrey A Law (law@cygnus.com)
3051 * Check in merge from gcc2. See ChangeLog.12 for details.
3053 Tue May 5 14:33:49 1998 Jim Wilson <wilson@cygnus.com>
3055 * c-common.c (scan_char_table): Separate 's' and 'c'. 'c' does not
3056 accept 'a' flag. 'S' does accept 'a' flag.
3057 (check_format_info): When pedantic, warn for m/C/S/a/A formats,
3060 * elf64.h (MULTILIB_DEFAULTS): Move definition after mips.h include.
3062 Tue May 5 10:50:39 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3064 * config/m68k/m68k.h: Declare functions from m68k.c used in
3065 macros and machine description.
3066 (ASM_OUTPUT_LONG_DOUBLE): Always use `l' flag in print format for
3068 (ASM_OUTPUT_FLOAT): Likewise.
3069 (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
3071 Tue May 5 01:28:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3073 * tree.def: Add NAMESPACE_DECL.
3074 * dwarfout.c (type_ok_for_scope): Ignore NAMESPACE_DECLs for now.
3075 * dwarf2out.c (push_decl_scope): Likewise.
3076 (scope_die_for): Likewise.
3077 * tree.c (decl_function_context): Use TREE_CODE_CLASS to determine
3078 how to get next context level.
3080 Tue May 5 01:43:16 1998 Jim Wilson <wilson@cygnus.com>
3082 * i386.c (output_fix_trunc): Add code to emulate non-popping DImode
3085 Tue May 5 01:15:06 1998 Jeffrey A Law (law@cygnus.com)
3087 * h8300.h (ADDITIONAL_REGISTER_NAMES): Add "er" registers.
3089 * reorg.c (fill_slots_from_thread): Update REG_DEAD/REG_UNUSED notes
3090 for any insns skipped at the start of a block because they were
3093 Mon May 4 20:23:51 1998 Jim Wilson <wilson@cygnus.com>
3095 * alpha.h (DBX_CONTIN_LENGTH): Decrease to 3000.
3097 1998-05-04 Ulrich Drepper <drepper@cygnus.com>
3099 * c-common.c (format_char_info): Add new field hhlen.
3100 (print_char_table, scan_char_table, time_char_table): Initialize
3101 hhlen field appropriately.
3102 (char_format_info): Recognize hh modifier and lookup correct char
3105 Mon May 4 19:15:29 1998 Jim Wilson <wilson@cygnus.com>
3107 * expr.c (expand_expr, case INDIRECT_REF): Don't optimize string
3108 reference if this is a store.
3110 Mon May 4 17:25:17 1998 Richard Henderson <rth@cygnus.com>
3112 * sparc.c (output_move_quad): Fix typo in mov_by_64 argument.
3114 Sun May 3 23:57:25 1998 Robert Lipe <robertl@dgii.com>
3116 Make UnixWare 7 bootstrap support work with final shipping product.
3117 * configure.in: (i[34567]86-*-sysv5): append, not overwrite, xm_file.
3118 Pick up xm-siglist and xm-alloca.
3119 (xm_defines): Add USG so dbxout will build.
3120 * configure: Regenerate.
3122 Sun May 3 13:51:34 PDT 1998 Richard Henderson <rth@cygnus.com>
3124 Support for official Sparc V9 ABI:
3125 * sparc.c (sparc_override_options): Force stack bias off for !arch64.
3126 Care for flag_pcc_struct_return default.
3127 (output_move_quad): Rewrite to move by halves on v9 and in the
3129 (move_quad_direction): New function.
3130 (output_fp_move_quad): Use it to determine the direction of copy.
3131 (function_arg_slotno): Return -1 for FP reg overflow as well.
3132 (function_arg_record_value*): New functions.
3133 (function_arg): Use them. Streamline unprototyped parameter passing.
3134 (function_arg_pass_by_reference): Pass TCmode by reference.
3135 (function_value): New function.
3136 * sparc.h (PTRDIFF_TYPE, SIZE_TYPE): For -pedantic's sake, don't use
3137 long long in 64-bit mode.
3138 (RETURN_IN_MEMORY): v9 returns structs < 32-bytes in regs.
3139 (DEFAULT_PCC_STRUCT_RETURN): Make the default detectable.
3140 (BASE_RETURN_VALUE_REG): Consider complex float types for arch64.
3141 (BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG): Likewise.
3142 (BASE_INCOMING_ARG_REG): Likewise.
3143 (FUNCTION_VALUE): Call function_value.
3144 (FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE): Likewise.
3145 * sparc.md (movdi_sp32_v9): Disable for arch64.
3146 (movsf, movdf, movtf): Sort all ulternatives using fp regs first.
3147 (call_value_address_sp64): Remove register class constraints.
3148 (call_value_symbolic_sp64): Likewise.
3149 (nonlocal_goto): Pass label reg directly to goto_handlers. Constrain
3150 v9 case to 32-bit constants.
3151 (goto_handler_and_restore_v9): Provide a version for arch64.
3152 * sparc/linux64.h (SIZE_TYPE, PTRDIFF_TYPE): Remove private definition.
3153 * sparc/sp64-aout.h (TARGET_DEFAULT): Turn on stack bias.
3154 (CPP_PREDEFINES): New.
3155 * sparc/sp64-elf.h: Likewise.
3156 (PREFERRED_DEBUGGING_TYPE): Dwarf2.
3157 (ASM_OUTPUT_DWARF2_ADDR_CONST): New.
3158 * sparc/sysv4.h (SIZE_TYPE, PTRDIFF_TYPE): Undo svr4.h's changes.
3160 Sat May 2 17:47:17 PDT 1998 Jeff Law (law@cygnus.com)
3162 * version.c: Bump for snapshot.
3164 Sat May 2 01:37:29 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3166 * reload.c (find_reloads): Emit USEs to mark where a pseudo
3167 is reloaded with the MEM of its stack slot.
3168 * reload1.c (cannot_omit_stores): Delete.
3169 (reload): Don't initialize it.
3170 Don't apply avoid_return_reg logic to USEs.
3171 When done, remove USEs that have a REG_EQUAL note on them.
3172 (emit_reload_insns): Handle case where we have inherited a MEM.
3173 (choose_reload_regs): Likewise.
3174 (delete_output_reload): Don't use cannot_omit_stores.
3176 Thu Apr 30 18:59:03 1998 Jim Wilson <wilson@cygnus.com>
3178 * Makefile.in (cpp.info, gcc.info): Put -o option before input file.
3180 Thu Apr 30 16:57:34 1998 Michael Meissner <meissner@cygnus.com>
3182 * haifa-sched.c (print_{exp,value}): Various changes to make the
3183 debug output easier to read. Also, use only one buffer, and make
3184 sure the buffer we are passed in doesn't overflow.
3185 (safe_concat): Concatenate to a buffer without overflow.
3187 Thu Apr 30 16:57:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3189 * haifa-sched.c (alloc_{INSN,EXPR}_LIST): Make static to agree
3192 Wed Apr 29 21:45:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3194 * sched.c (new_insn_dead_notes): Check if the register was
3195 used in the original instruction.
3196 * haifa-sched.c (new_insn_dead_notes): Likewise.
3198 Wed Apr 29 13:46:03 1998 Jim Wilson <wilson@cygnus.com>
3200 * dwarf2out.c (scope_die_for): If could not find proper scope,
3201 check for and handle tagged type with incorrect TYPE_CONTEXT.
3203 Wed Apr 29 15:34:40 1998 John Carr <jfc@mit.edu>
3205 * calls.c (expand_call): Fix recognition of C++ operator new.
3207 * alias.c (mode_alias_check): Disable type based alias detection.
3209 Wed Apr 29 15:06:42 1998 Gavin Koch <gavin@cygnus.com>
3211 * config/mips/elf.h (ASM_OUTPUT_DEF,ASM_WEAKEN_LABEL,
3212 ASM_OUTPUT_WEAK_ALIAS): Define.
3213 * config/mips/elf64.h: Same.
3214 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
3215 ASM_WEAKEN_LABEL): Removed.
3217 Wed Apr 29 10:53:29 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3219 * calls.c (expand_call): Bump the length limit on the specially
3220 recognized function names to 17.
3222 Tue Apr 28 17:53:33 1998 Jim Wilson <wilson@cygnus.com>
3224 * ginclude/stddef.h: Add check for _MACHINE_ANSI_H_ for BSD/OS
3225 when undefining macros at the end.
3227 * expr.c (expand_builtin, case BUILT_IN_MEMSET): Break if either
3228 val or len has TREE_SIDE_EFFECTS set.
3230 * sparc.md (mulsidi3): Call const v8plus and v8plus routines.
3231 (mulsidi3_v8plus, const_mulsidi3_v8plus): Delete asterisk from name.
3232 (smuldi3_highpart): Call const v8plus routine.
3233 (smulsi3_highpart_v8plus): Renamed from smulsidi3_highpart_v8plus.
3234 (const_smulsi3_highpart_v8plus): New pattern.
3235 (smulsi3_highpart_sp32): Renamed from smulsidi3_highpart_sp32.
3236 (umulsidi3): Call const v8plus routine.
3237 (umulsi3_highpart): Handle const before v8plus. Call const v8plus
3239 (umulsi3_highpart_v8plus): Renamed from umulsidi3_highpart_v8plus.
3240 (umulsi3_highpart_sp32): Renamed from umulsidi3_highpart_sp32.
3242 Tue Apr 28 08:55:26 1998 Michael Meissner <meissner@cygnus.com>
3244 * m32r.c (*_oper{and|ator}): Change enum arguments and return
3245 values to int, so they can be prototyped even in files that don't
3247 ({small,large}_insn_p): Ditto.
3248 (m32r_select_cc_mode): Ditto.
3249 (gen_compare): Ditto.
3250 (function_arg_partial_nregs): Ditto.
3251 (m32r_setup_incoming_varargs): Ditto.
3252 (init_reg_tables): Add prototype.
3253 (m32r_frame_info): Add prolog_size field.
3254 (m32r_compute_frame_size): Calculate the size of the prologue.
3255 (m32r_first_insn_address): Return prologue size.
3256 (m32r_output_function_prologue): Calculate frame size before
3257 printing out information. Print out the prologue size.
3259 * m32r.h: Prototype all functions in m32r.c.
3260 (FIRST_INSN_ADDRESS): Declare, returning prologue size.
3262 * m32r.md (bcc functions): Cast enum's to int.
3264 * m32r.c (conditional_move_operand): Silence a debug message.
3265 ({small,long}_insn): New predicates.
3267 * m32r.h (TARGET_M32R): New macro.
3268 (PREDICATE_CODES): Rearrange somewhat, add small_insn/long_insn.
3269 (HAIFA_P): Define as 1/0 depending on whether the Haifa scheduler
3271 (ISSUE_RATE): Define as 2.
3273 * m32r.md (insn_size): New attribute.
3274 ({,rev_}branch_insn): Add .s qualifier to branches believed to be
3276 (m32r): New attribute.
3278 * configure.in (enable_haifa): Switch m32r to Haifa by default.
3279 * configure: Regenerate.
3281 (Changes from Nick Clifton <nickc@cygnus.com>)
3282 * m32r.h (EXTRA_CONSTRAINT): Implement 'S' constraint to perfoirm
3283 the equivalent of a negated 'I' constraint.
3284 (PRESERVE_DEATH_INFO_REGNO_P): Define in order to allow peephole
3285 optimisation to work.
3287 * m32r.md (cmp_ne_small_const_insn): Use 'S' constriant rather
3288 than 'I' since the value is negated.
3289 (peephole): Add peephole optimisation to cope with optimization of
3290 divide and subtracts of the same operands.
3292 * m32r.c zero_and_one, emit_cond_move): Add support for MVFC.
3296 * m32r.h (PREDICATE_CODES): Add declaration of machine specific
3299 Tue Apr 28 07:25:53 1998 Manfred Hollstein <manfred@s-direktnet.de>
3301 * Makefile.in (libgcc2.ready): Revert last patch (Apr 24).
3303 Mon Apr 27 18:39:47 1998 Nick Clifton <nickc@cygnus.com>
3305 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Check against
3306 frame_pointer_rtx not FRAME_POINTER_REGNUM.
3308 Mon Apr 27 18:36:28 1998 Jim Wilson <wilson@cygnus.com>
3310 * reg-stack.c: Revert last patch (Apr 20).
3311 (convert_regs): Set insn to PREV_INSN (next) after do while loop.
3313 * m68k/lb1sf68.asm (Laddsf$3): Fix typos in mcf5200 exg code.
3315 * loop.c (check_dbra_loop): New locals jump, first_compare, and
3316 compare_and_branch. Call get_condition to set first_compare.
3317 Set compare_and_branch to number of compare/branch instructions.
3318 Replace PREV_INSN (PREV_INSN (loop_end)) with first_compare.
3319 Replace '2' with compare_and_branch.
3321 Mon Apr 27 15:53:30 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3323 * cplus-dem.c (demangle_qualified): Replace missing else.
3325 Mon Apr 27 20:22:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3327 * sh.c (gen_ashift_hi): Don't make SUBREG of a SUBREG.
3329 Mon Apr 27 18:23:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3331 * sh.c (sh_expand_prologue, sh_expand_epilogue):
3332 If TARGET_DOUBLE_ALIGN, preserve 64 bit stack alignment.
3333 * sh.h (STACK_BOUNDARY): Likewise.
3335 Mon Apr 27 17:22:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3337 * sh.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
3339 Mon Apr 27 08:55:23 1998 Michael Meissner <meissner@cygnus.com>
3341 * system.h (abort): If abort is not defined, and neither is
3342 USE_SYSTEM_ABORT, redefine abort to call fprintf and exit,
3343 reporting the line and filename of the error.
3345 * .gdbinit: Add breakpoints on exit and fancy_abort.
3347 * final.c (split_double): Avoid a compiler warning if
3348 BITS_PER_WORD is less than or equal to HOST_BIT_PER_WIDE_INT.
3350 * rtl.h (JUMP_{CROSS_JUMP,NOOP_MOVES,AFTER_REGSCAN}): New macros
3351 for calling jump_optimize.
3353 * toplev.c (rest_of_compilation): Call jump_optimize using JUMP_*
3354 macros, rather than 0/1's.
3356 Sun Apr 26 23:19:10 1998 Richard Henderson <rth@cygnus.com>
3358 * alpha.h (CONST_COSTS): Zero is always free.
3359 (RTX_COSTS): Add EV6 costs. Abort if alpha_cpu is unknown.
3361 Sun Apr 26 15:38:50 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3363 * cplus-dem.c (gnu_special): Fix off-by-one bug when checking the
3364 length in the name of a virtual table.
3366 Sun Apr 26 01:21:06 1998 Richard Henderson <rth@cygnus.com>
3368 * alpha.c (print_operand): Don't add 'v' suffix for ALPHA_FPTM_N.
3370 Sat Apr 25 22:11:38 PDT 1998 Jeff Law (law@cygnus.com)
3372 * version.c: Bump for snapshot.
3374 Sat Apr 25 17:17:15 1998 Jeffrey A Law (law@cygnus.com)
3376 * fold-const.c (fold_convert): Fix typo.
3378 Sat Apr 25 17:55:54 1998 John Carr <jfc@mit.edu>
3380 * alias.c (alias_invariant): New variable.
3381 (record_base_value): New argument INVARIANT.
3382 (memrefs_conflict_p): If a register has an entry in the alias_invariant
3383 array, try substituting that value for the register.
3385 * rtl.h: Declare record_base_value.
3387 * loop.c, unroll.c: Update callers of record_base_value.
3389 * alias.c (find_base_value, find_base_term): SIGN_EXTEND and
3390 ZERO_EXTEND do not affect base values.
3392 Fri Apr 24 15:57:02 1998 Jeffrey A Law (law@cygnus.com)
3394 * dbxout.c (dbxout_type): Fix typo.
3395 (dbxout_range_type): Another HOST_WIDE_INT_PRINT_DEC fix.
3397 * configure.in: Use CC_FOR_BUILD, not BUILD_CC.
3399 Fri Apr 24 16:11:47 1998 John Carr <jfc@mit.edu>
3401 * expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
3402 if the argument is the address of a structure or array.
3404 * configure.in: Enable Haifa scheduler by default for SPARC.
3406 Fri Apr 24 20:55:47 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3408 * cse.c (cse_set_around_loop): Don't do optimization when
3409 new pseudos are created.
3411 Fri Apr 24 11:00:18 1998 Jeffrey A Law (law@cygnus.com)
3413 * dbxout.c (dbxout_type_fields): Use HOST_WIDE_INT_PRINT_DEC
3415 (dbxout_type_method_1, dbxout_type): Likewise.
3416 (print_int_cst_octal, print_octal, dbxout_symbol): Likewise.
3417 (dbxout_type): Fix check for when to print a type range in
3420 Fri Apr 24 16:45:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3422 * (gen_shl_and, in case 1): Fix comparison with mask.
3424 Fri Apr 24 06:46:40 1998 Nick Clifton <nickc@cygnus.com>
3426 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow frame
3427 pointer as second register in REG+REG pair.
3429 Fri Apr 24 09:22:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3431 * c-common.c (check_format_info): Don't check for the 'x' format
3432 character twice, instead check for 'x' and 'X'
3434 Fri Apr 24 08:02:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
3436 * Makefile.in (libgcc2.ready): Add explicit dependancy from
3437 $(STMP_FIXPROTO) to ensure all necessary include files have
3438 been created and to guarantee proper parallel builds.
3440 Fri Apr 24 04:42:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3442 * sh.c (sh_expand_prologue, in !SH3E code): Don't push an extra
3443 register for stdarg functions.
3444 * sh.h (current_function_varargs): Declare.
3445 (FUNCTION_ARG): Ignore NAMED for stdarg functions.
3447 1998-04-23 Jim Wilson <wilson@cygnus.com>
3449 * frame.c, libgcc2.c (stdlib.h, unistd.h): Don't include when
3450 inhibit_libc is defined.
3452 * c-aux-info.c (gen_type): Use DECL_NAME only for TYPE_DECL.
3454 Thu Apr 23 19:09:33 1998 Jim Wilson <wilson@cygnus.com>
3456 * profile.c (tablejump_entry_p): New function.
3457 (branch_prob): Add code to recognize MIPS tablejump entry branch.
3458 Use tablejump_entry_p in MIPS and HPPA tablejump checking code.
3460 Thu Apr 23 15:01:13 1998 Nick Clifton <nickc@cygnus.com>
3462 * config/arm/arm.c (find_barrier): Return as soon as a barrier is
3463 found, rather than at end of the loop, after the insn has been
3466 Thu Apr 23 20:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3468 * sh.c (gen_ashift_hi): Implement right shifts via gen_ashift.
3469 * sh.md (ashrhi3_k, lshrhi3_k, lshrhi3_m, lshrhi3, lshrhi3+1): Delete.
3471 Wed Apr 22 17:07:35 1998 Michael Meissner <meissner@cygnus.com>
3473 * loop.c (note_addr_stored): Correct function to take 2 arguments,
3476 * rtl.def (MATCH_INSN2): Add new matching pattern.
3477 * genrecog.c (add_to_sequence): Support MATCH_INSN2.
3479 Wed Apr 22 15:52:22 1998 John Carr <jfc@mit.edu>
3481 * emit-rtl.c (gen_highpart): The high part of a CONST_INT is not zero
3482 if HOST_BITS_PER_WIDE_INT is larger than BITS_PER_WORD.
3484 * final.c (split_double): Sign extend both halves of a split CONST_INT.
3486 Wed Apr 22 10:42:45 1998 Jeffrey A Law (law@cygnus.com)
3488 * mips.c (compute_frame_size): Change only argument to a HOST_WIDE_INT.
3490 Wed Apr 22 10:53:49 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3492 * cplus-dem.c (struct work stuff): Add field for B and K mangle codes.
3493 (cplus_demangle_opname): Call mop_up_squangle.
3494 (cplus_demangle): Initialize squangle info, then call
3495 internal_cplus_demangle. (Most code moved there as well)
3496 (internal_cplus_demangle): New function, performs most of what use
3497 to be done in cplus_demangle, but is only called with this file.
3498 (squangle_mop_up): New function to clean up B and K code data.
3499 (mop_up): set pointers to NULL after freeing.
3500 (demangle_signature, demangle_template, demangle_class): Add
3501 switch elements to handle K and B codes.
3502 (demangle_prefix, gnu_special, demangle_qualified): Add
3503 code to handle K and B codes.
3504 (do_type, demangle_fund_type): Handle B and K codes.
3505 (remember_Ktype): New function to store K info.
3506 (register_Btype, remember_Btype): New functions for B codes.
3507 (forget_B_and_K_types): New function to destroy B and K info.
3509 1998-04-21 Jim Wilson <wilson@cygnus.com>
3511 * stmt.c (check_seenlabel): When search for line number note for
3512 warning, handle case where there is no such note.
3514 Tue Apr 21 20:48:37 1998 John Carr <jfc@mit.edu>
3516 * genemit.c (gen_exp): Allow machine description to set mode of
3519 Tue Apr 21 16:36:01 1998 John Carr <jfc@mit.edu>
3521 * alias.c (mode_alias_check): New function.
3522 (true_dependence, anti_dependence, output_dependence): Call
3525 Tue Apr 21 12:05:32 1998 Jeffrey A Law (law@cygnus.com)
3527 * mips.h (STACK_BOUNDARY): Allow specific targets to override.
3528 (MIPS_STACK_ALIGN): Similarly.
3530 * c-common.c (type_for_mode): Handle TI types.
3531 * c-decl.c (intTI_type_node, unsigned_int_TI_type_node): Define.
3532 (init_decl_processing): Handle TI types.
3533 * c-tree.h (intTI_type_node, unsigned_int_TI_type_node): Declare.
3535 * mips.c (block_move_loop): Test Pmode == DImode instead of
3537 (expand_block_move, save_restore_insns): Likewise.
3538 (function_prologue, mips_expand_prologue): Likewise.
3539 (mips_expand_epilogue): Likewise.
3540 * mips.h (POINTER_SIZE): Allow specific targets to override.
3541 (Pmode): Allow specific targets to override.
3542 (FUNCTION_PROFILER): Test Pmode == DImode instead of TARGET_MIPS64
3543 (POINTER_BOUNDARY, FUNCTION_MODE): Likewise.
3544 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
3545 (TRAMPOLINE_ALIGNMENT, INITIALIZE_TRAMPOLINE): Likewise.
3546 (CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
3547 (ASM_OUTPUT_ADDR_DIFF_ELT, SIZE_TYPE, PTRDIFF_TYPE): Likewise.
3548 * mips.md (indirect, tablejump & casesi support): Test for
3549 Pmode == DImode instead of TARGET_MIPS64.
3550 (call patterns): Likewise.
3552 Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3554 * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done
3555 for gen_rtx(MEM, ...).
3557 Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com>
3559 * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite
3560 to not be so gross, and to properly function with PIC.
3562 Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com>
3564 * frame.c (heapsort): Rename to frame_heapsort.
3566 * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it.
3568 Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com>
3570 * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned.
3572 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
3574 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
3575 operands during and after reload.
3577 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3579 * final.c (shorten_branches, init_insn_lengths): Move code
3580 to free label_align, uid_shuid, insn_lengths, insn_addresses
3581 and uid_align from the former function into the latter one;
3582 Add code to clear these variables.
3583 * sh.h (label_align): Remove declaration.
3585 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
3587 * gcc.c (lang_specific_driver): Declare prototype properly so
3588 fatal can be passed to it without error.
3590 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
3591 * configure: Regenerate.
3592 * config.in: Add #undef's for strchr and strrchr.
3594 * protoize.c (toplevel): If we have rindex, but not strrchr, map
3596 (file_could_be_converted): Use strrchr, not rindex since rindex is
3597 not defined on Linux systems when _POSIX_SOURCE is defined.
3598 (file_normally_convertible): Ditto.
3599 (process_aux_info_file): Ditto.
3602 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
3603 a constant to an integer register, don't split the insns that do
3604 the simple AND and OR operations, rather just split each word, and
3605 let the normal movsi define split handle it further.
3607 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3609 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
3610 (split_branches): Call init_insn_lengths.
3612 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
3614 * i386.c: Include expr.h to get the change_address prototype
3617 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
3619 * reg-stack.c (subst_asm_stack_regs): Change to return the last
3620 new insn generated by this function.
3621 (subst_stack_regs): Likewise.
3622 (convert_regs): Record the last newly generated insn and use
3623 it for change_stack () instead of INSN.
3625 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
3627 * fix-header.c (enum special_file): Undefine enumerators if they
3628 are already defined by include files.
3629 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
3630 macro with '__' to not pollute user namespace.
3632 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
3634 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
3636 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
3638 * version.c: Bump for snapshot.
3640 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
3642 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
3644 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
3645 Add missing -Dpentium* options.
3646 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
3647 instead of CPP_CPU_DEFAULT.
3648 (EXTRA_SPECS): Add entry for cpp_cpu_default.
3650 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
3652 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
3653 negative in a stackless frame.
3654 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
3655 in stackless frame size. Support 64-bit stackless frame size.
3656 Combine fpmem offset calculations and don't add total_size to
3657 offset if not pushing a stack frame.
3659 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
3661 * regmove.c (fixup_match_1): In three places, in flag_exceptions
3662 check, change p to q.
3664 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
3666 * gcc.c (lang_specific_driver): Add new parm type to prototype.
3667 (added_libraries): New file scope static variable.
3668 (process_command): Initialize added_libraries. Pass it to
3669 lang_specific_driver.
3670 (main): Use added_libraries in check for no input files.
3672 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
3674 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
3675 code generation. Use 64 bit instructions in 32 bit mode when
3676 possible. Use V9 return instruction. UltraSPARC optimizations.
3678 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
3680 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
3682 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
3683 just pass zero. That will work regardless of the size of HARD_REG_SET.
3685 * libgcc2.c (__floatdisf): Fix a couple typos.
3687 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
3689 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
3691 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
3693 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
3695 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
3697 * emit-rtl.c (operand_subword_force): If a register can not be
3698 accessed by words, copy it to a pseudo register.
3700 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
3702 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
3704 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
3706 * tree.h (mark_seen_cases): Delete declaration.
3708 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
3710 * stmt.c (mark_seen_cases): Make static and add prototype.
3712 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3714 * frame.c: Include stdlib.h and unistd.h to possibly get various
3715 function prototypes. The fixproto script guarantees these header
3716 files exist on the target system.
3717 * libgcc2.c: Likewise.
3719 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
3720 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
3721 function parameters.
3722 * libgcc2.c (__udiv_w_sdiv): Likewise.
3724 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
3726 * varasm.c (asm_output_bss): Add prototype.
3727 (asm_output_aligned_bss): Likewise.
3729 * unroll.c (verify_addresses): Add prototype.
3731 * toplev.c: Add many prototypes. Too many to mention here.
3733 * stmt.c (check_seenlabel): Add prototype.
3735 * rtlanal.c (reg_set_p_1): Add prototype.
3736 (reg_set_last_1): Likewise.
3738 * reorg.c (find_dead_or_set_registers): Add prototype.
3740 * regmove (try_auto_increment): Add prototype.
3742 * reg-stack.c (pop_stack): Add prototype.
3744 * recog.c (validate_replace_rtx_1): Add prototype.
3745 (find_cosntant_term_loc): Likewise.
3747 * loop.c (regs_patch_p): Add prototype.
3748 (add_label_notes, count_nonfixed_reads): Likewise.
3749 (find_single_use_in_loop): Likewise.
3750 (express_from): Surround prototype with #ifdef.
3751 (giv_sort): Similarly.
3753 * jump.c (mark_modified_reg): Add prototype.
3755 * haifa-sched.c (is_prisky): Add prototype.
3756 (queue_to_ready): Likewise.
3758 * genextract.c (gen_insn): Add prototype.
3760 * genemit.c (max_operand_1): Add prototype.
3761 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
3762 (gen_expand, gen_explit, output_add_clobbers): Likewise.
3763 (output_init_mov_optab): Likewise.
3765 * genattrtab.c (attr_hash_add_rtx): Add prototype.
3766 (attr_hash_add_string, write_length_unit_log): Likewise.
3768 * genattr.c (init_range): Add prototype.
3770 * combine.c (sets_function_arg_p): Add prototype.
3772 * expr.c (store_constructor_field): Add prototype.
3773 (get_memory_usage_from_modifier): Likewise
3775 * expmed.c (synth_mult): Add prototype.
3776 (choose_multiplier, invert_mod2n): Likewise.
3778 * except.c (push_eh_entry): Add prototype.
3779 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
3780 (call_get_eh_context, start_dynamic_cleanup): Likewise.
3781 (start_dynamic_handler, can_throw): Likewise.
3782 (output_exception_table_entry, scan_region): Likewise.
3783 (eh_regs, set_insn_eh_region): Likewise.
3785 * dwarfout.c (decl_class_context): Add prototype.
3786 (output_inheritance_die, type_ok_for_scope): Likewise.
3788 * c-lex.c (skip_white_space_on_line): Add prototype.
3790 * alias.c (record_set): Add prototype.
3791 (find_base_term, base_alias_check): Likewise.
3793 * function.c (assign_outer_stack_local): Make static and add prototype.
3795 * haifa-sched.c (build_control_flow): Accept raw data as inputs
3796 instead of computing it locally. Callers changed.
3797 (find_rgns): Several new arguments. Callers changed.
3798 Generally clean up and comment better. Use dominators to
3799 identify reducible loops. Convert some flag arrays to bitmaps.
3800 Convert most of the code to work on pred/succ lists instead of
3801 an edge table. Add comments for future improvements.
3802 (schedule_insns): Allocate temporary tables for flow data, call
3803 routines to compute flow data and pass it along to children as
3805 (debug_control_flow): Delete. Use dump_bb_data instead.
3807 * basic-block.h (compute_dominators): Declare.
3809 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
3811 * basic-block.h: Declare them.
3813 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
3815 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
3818 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
3820 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
3821 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
3822 node is non NULL. Cache last file name and file name identifier node.
3824 1998-04-15 Mark Mitchell <mmitchell@usa.net>
3826 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
3827 the length of an array, not TREE_TYPE.
3829 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
3831 * flow.c (sbitmap_union_of_successors): New function.
3832 * basic-block.h (sbitmap_union_of_successors): Declare it.
3834 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
3836 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
3837 Set gnu_ld to gnu_ld_flag inside main loop.
3840 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
3842 * toplev.c (compile_file): Call init_parse using new interface.
3843 (init_lex): Remove declaration.
3845 * c-lex.c (init_parse): Now returns char* containing filename.
3847 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
3849 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
3851 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
3853 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
3854 (gen{extract,peep,opinit,output}): Ditto.
3856 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
3857 global definition so print-rtl.o can be linked in.
3858 * gen{peep,recog}.c (insn_attr_name): Ditto.
3860 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
3862 * fixincludes: discard empty C++ comments, as found in sys/time.h
3865 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3867 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
3870 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
3872 * emit-rtl.c (operand_subword): Rework slightly to avoid
3873 bogus warning from previous change.
3875 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
3877 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
3878 Nov 8 find_replacement change. Move decls of get_unaligned_address
3879 * alpha.h: ... here.
3881 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
3883 * function.c (assign_parms): Initialize unsignedp before passing
3884 its pointer to promote_mode.
3886 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
3887 (write_test_expr): Allow MATCH_INSN.
3889 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
3891 * install.texi: Update section on warnings that can be safely ignored.
3893 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
3895 * mips.md (reload_outdi): Change the scratch mode from DImode to
3896 TImode. New variable scratch, used instead of operand[2] in template.
3897 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
3899 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
3901 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
3903 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
3905 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
3907 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
3909 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
3910 (ASM_FINISH_DECLARE_OBJECT): Likewise.
3912 * Idea and part of the patch from HJ.
3913 * Makefile.in: auto-host.h renamed from auto-config.h. All references
3915 (distclean): Remove auto-build.h too.
3916 * configure.in: Rename host autoconf generated file to auto-host.h.
3917 If host != build, then run autoconf to generate auto-build.h for
3918 the build machine and include it in build_xm_files.
3919 Check for wait.h and sys/wait.h.
3921 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
3922 TRULY_NOOP_TRUNCATION.
3924 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
3926 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
3928 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
3930 * invoke.texi (ld options) Include memset requirements
3931 for options -nodstdlib and -nodefaultlibs.
3933 1998-04-12 Paul Eggert <eggert@twinsun.com>
3935 This change is from an idea suggested by Arthur David Olson.
3937 * c-common.c (decl_attributes, record_function_format,
3938 check_format_info, init_function_format_info):
3939 Add support for strftime format checking.
3940 (enum format_type): New type.
3941 (record_function_format): Now static, and takes value of type
3942 enum format_type instead of int.
3943 (time_char_table): New constant.
3944 (struct function_format_info): format_type member renamed from is_scan.
3945 (check_format_info): Use `warning' rather than sprintf followed by
3946 `warning', to avoid mishandling `%' in warnings.
3947 Change `pedwarn' to `warning', since these warnings do not necessarily
3948 mean the program does not conform to the C Standard, as the code
3949 need not be executed.
3951 * c-tree.h (record_function_format): Remove decl; no longer extern.
3953 * extend.texi: Add documentation for strftime format checking.
3955 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
3957 * mips/ecoffl.h: Do not include mips.h.
3958 * mips/elf.h: Likewise.
3960 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
3961 * mips/ecoff.h: Include "mips/mips.h".
3963 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
3965 * version.c: Bump for snapshot.
3967 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
3969 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
3970 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
3971 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
3972 between loop optimization passes.
3973 * rtl.h: Updated appropriately.
3975 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
3977 Reinstall this patch from Jason.
3978 * function.c (push_function_context_to): Don't call init_emit.
3980 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
3982 * rtl.c (read_skip_spaces): Prevent infinite loops upon
3983 encountering unterminated comments.
3985 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
3987 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
3990 * configure.in: Handle --with-fast-fixincludes.
3991 (fixincludes): If --with-fast-fixincludes, then use a different
3992 fixincludes program by default.
3993 * Makefile.in (fixinc.sh): New rule.
3995 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
3997 * i386.md (movqi+1): Handle invalid QI register.
3998 (movsf_push-1): Likewise.
4000 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
4002 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
4004 symbolic_memort_operand(), call32_operand(), int8_operand(),
4005 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
4007 uint16_operand(): Made static.
4009 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
4011 * calls.c (expand_call): Fix typo.
4013 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
4015 * c-lex.c (finput): New global.
4016 (init_parse): Always included. Handle !USE_CPPLIB using
4017 code originally in compile_file.
4018 (finish_parse): Update for CPPLIB.
4019 * toplev.c (init_parse, finish_parse): Declare.
4020 (finput): Delete variable. Now in front-ends.
4021 (compile_file): Remove code which is now handled by init_parse
4022 which is unconditionally called. Similarly for finish_parse.
4024 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
4026 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
4027 ASM_WEAKEN_LABEL): Add.
4029 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
4031 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
4032 * configure.in (alpha-*-linux*): Use them.
4034 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
4036 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
4037 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
4038 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
4039 (build_expr_wfl): New prototype declaration.
4040 * tree.c (build_expr_wfl): New function, to build
4041 EXPR_WITH_FILE_LOCATION nodes.
4042 (copy_node): Don't zero TREE_CHAIN if copying a
4043 EXPR_WITH_FILE_LOCATION node.
4044 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
4045 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
4047 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
4049 * configure.in (v850): Use t-v850.
4050 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
4052 * protoize.c (creat, read, write): Do not declare.
4054 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
4055 refer to the CODE_LABEL before a dispatch table.
4057 * invoke.texi: Add ARC options.
4059 * gcc.c (proces_command): Improve error message for -o with
4062 * i386/x-cygwin32 (CLIB): Link in advapi32.
4064 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
4065 (ASM_IDENTIFY_LANGUAGE): Likewise.
4067 * i386.md (movqi recognizer): Don't perfom byte increment into
4070 * configure.in (x86-dg-dgux): Run fixinc.dgux.
4072 * i370.h: Fix typo in GEN_INT changes.
4074 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
4075 of an empty arglist in prototype.
4077 * Makefile.in: Remove bytecode crud that crept back in after the
4080 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
4082 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
4083 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
4085 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
4087 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
4089 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
4091 * c-lex.c (is_class_name): Delete declaration.
4092 (whitespace_cr): Make static and add prototype.
4093 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
4094 yylex, get_directive_line): Turn declarations into prototypes.
4095 (position_after_whitespace, check_newline, yyerror,, is_class_name,
4096 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
4098 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
4100 * gencodes.c (gen_insn): Add prototype.
4101 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
4102 gen_peephole): Add prototypes.
4103 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
4105 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
4106 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
4107 genheader, gencode): Add prototypes.
4108 * genopinit.c (gen_insn): Add prototype.
4109 * genoutput.c (output_prologue, output_epilogue, scan_operands,
4110 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
4111 gen_expand, gen_split, n_occurrences): Add prototypes.
4112 * genpeep.c (gen_peephole): Add prototype.
4113 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
4114 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
4115 labels_in_range_p, count_loop_regs_set, note_addr_stored,
4116 loop_reg_used_before_p, scan_loop, replace_call_address,
4117 skip_consec_insns, libcall_benefit, ignore_some_movables,
4118 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
4119 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
4120 check_final_value, record_giv, update_giv_derive, basic_induction_var,
4121 simplify_giv_expr, general_induction_var, consec_sets_giv,
4122 check_dbra_loop, express_from, combine_givs_p, combine_givs,
4123 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
4124 last_use_this_basic_block, record_initial, update_reg_last_use,
4125 iteration_info, analyze_loop_iterations, insert_bct,
4126 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
4129 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
4131 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
4133 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
4135 * config/mips/mips.c (siginfo): Deleted.
4136 (override_options): Don't install SIGINFO signal handler.
4138 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
4140 * loop.c (check_dbra_loop): When normalize comparison_val, add check
4141 to verify it is non-negative.
4143 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
4145 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
4146 (alpha_expand_block_clear): Likewise.
4148 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
4150 * tree.h (sizetype_tab): Fix previous change for K&R.
4152 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
4154 * version.c: Bump for snapshot.
4156 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
4158 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
4159 Add USG and POSIX to xm_defines.
4161 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
4163 * gcc.c: Add linker spec.
4164 (link_command_spec): Use %(linker) instead of ld.
4165 (main): If collect2 is requested as the linker, see if it exists;
4166 if not, use ld instead.
4168 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
4170 (install-collect2): Install as collect2, not ld.
4172 * configure.in(will_use_collect2): It's named collect2 now.
4174 * collect2: Remove checks to see if we were invoked recursively.
4175 (collect_execute): Use _spawnvp under cygwin32.
4177 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
4179 * haifa-sched.c (build_control_flow): Set unreachable for block whose
4180 only predecessor is itself.
4182 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4184 * c-parse.in: Include system.h, and remove stuff now made redundant.
4187 * protoize.c: Likewise. Properly check for cpp stringification.
4189 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
4192 * objc/Make-lang.in (objc-parse.o): Likewise.
4194 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4196 * gansidecl.h: Check if compiler supports __attribute__. Provide
4197 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
4198 __attribute__ when its available. Also provide definitions for
4199 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
4200 terms of ATTRIBUTE_PRINTF.
4202 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
4205 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
4207 * combine.c (can_combine_p): Include successor in volatile test.
4209 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4211 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
4214 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
4216 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
4217 in prototype and definition.
4219 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
4221 * version.c: Bump for snapshot.
4223 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
4225 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
4226 alpha_expand_unaligned_store_words.
4228 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
4230 * i386.md (movsf_push, movsf_mem): Remove.
4231 (movsf_push): Rename from movsf_push_nomove and move in front of
4232 movsf. Use nonmemory_operand predicate and don't bother checking
4234 (movsf_push_memory): New pattern.
4235 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
4236 both operands refer to memory then force operand[1] into a register.
4237 (movsf_normal): Change to unnamed pattern.
4238 Likewise for movdf, movxf, and friends.
4240 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
4242 * version.c: Bump for snapshot.
4244 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
4246 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
4248 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
4250 * configure.in (mips-wrs-vxworks): New target.
4252 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
4254 * expmed.c (synth_mult): The value -1, has no zeros, so it can
4255 never have the form ...011.
4257 * version.c: Bump for snapshot.
4259 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
4261 * i386.c (asm_output_function_prefix, load_pic_register):
4262 Use ASM_GENERATE_INTERNAL_LABEL properly.
4263 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
4264 (print_operand): Ignore it.
4265 (load_pic_register): Use it for the got load call.
4266 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
4267 (prologue_get_pc_and_set_got): Likewise.
4268 * i386.h: Update print_operand docs.
4270 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
4272 * i386.md (ffssi, ffshi): Rewrite as define_expands.
4273 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
4274 * i386.c (notice_update_cc): Recognize unspec 5.
4276 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
4278 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
4279 * alpha.c (print_operand): Handle it.
4280 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
4282 (fix_truncdfdi2): Likewise.
4284 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
4286 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
4287 of these into a single struct, with additional [us]sizetype entries.
4288 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
4289 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
4292 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
4294 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
4296 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
4298 * haifa-sched.c (split_block_insns): Don't supress insn splitting
4299 on subsequent passes.
4301 * alpha.c (hard_fp_register_operand): New function.
4302 * alpha.h (PREDICATE_CODES): Add it.
4303 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
4304 f<-m case and accompanying define_split.
4305 (trapb): Use a unique unspec_volatile number.
4307 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
4309 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
4312 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
4314 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
4317 * haifa-sched.c: Mirror recent changes from gcc2.
4319 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
4321 * Makefile.in (insn*.o): Depend on system.h.
4323 * pa.c (output_global_address): Initialize base.
4324 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
4326 1998-04-03 Mike Stump <mrs@wrs.com>
4328 * gthr.h: Support systems that don't have weak, but have threads.
4329 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
4330 * gthr-vxworks.h: New file.
4331 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
4333 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
4335 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
4337 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
4339 * ginclude/va-i960.h (va_end): Change void * to void.
4341 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4343 * Makefile.in (choose-temp.o): Depend on system.h.
4345 * choose-temp.c: Include system.h when IN_GCC.
4347 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
4348 Richard Henderson <rth@cygnus.com>
4350 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
4351 (move_replacements): New function.
4352 * reload.h: Prototype it.
4354 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
4356 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
4358 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
4361 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
4362 (gen_highpart): Likewise.
4363 * final.c (alter_subreg): Allow the target to hook by-mode subreg
4364 hard register number changes.
4366 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
4368 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
4369 rnbitsize, rnmode and rinner.
4370 (make_range): Initialize type.
4371 (fold): Initialize arg0, arg1 and varop.
4373 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
4375 (expand_function_start): Initialize last_ptr.
4377 * stor-layout.c (layout_record): Initialize desired_align.
4378 (get_best_mode): Initialize unit.
4380 * tree.c (copy_node): Initialize length.
4382 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
4384 * caller-save.c (insert_save_restore): Initialize pat, code and
4387 * emit-rtl.c (push_to_sequence): Initialize top.
4388 (push_topmost_sequence): Likewise.
4390 * genattrtab.c (simplify_by_exploding): Initialize defval.
4392 * profile.c (branch_prob): Initialize dest.
4394 * rtl.h (note_stores): Remove duplicate prototype.
4395 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
4397 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
4398 strings that are not actually lengths.
4400 * genattrtab.c: Make generated file use system.h, instead of
4401 including stdio.h, etc directly.
4402 * genextract.c, genopinit.c, genoutput.c: Likewise.
4403 * genpeep.c, genrecog.c: Likewise
4405 * genoutput.c (process_template): Mark operands in the generated
4406 function as potentially unused if compiling with GNU CC.
4408 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
4410 * pa.md (reload peepholes): Remove unused variable "mode".
4412 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
4414 * config/arm/thumb.h: Add super interworking support.
4415 * config/arm/thumb.c: Add super interworking support.
4416 * config/arm/thumb.md: Add super interworking support.
4417 * config/arm/lib1funcs.asm: Add interworking support.
4418 * config/arm/lib1thumb.asm: Add super interworking support.
4419 * config/arm/t-semi: Add interworking support.
4420 * config/arm/t-thumb: Add interworking support.
4421 * config/arm/README-interworking: New file.
4423 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
4425 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
4426 (MD_STARTFILE_PREFIX): Unset.
4428 1998-04-01 Mark Mitchell <mmitchell@usa.net>
4430 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
4431 entity in a local scope.
4433 * fold-const.c (fold): Call truthvalue_conversion for values which
4434 are folded to boolean type.
4436 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
4438 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
4439 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
4440 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
4441 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
4442 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
4443 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
4444 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
4445 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
4446 * md.texi: Likewise.
4448 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
4450 * fixincludes (limits.h): Fix nested comments in Motorola's
4451 limits.h and sys/limits.h.
4453 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
4455 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
4456 as dest of expand_binop call.
4458 * alpha.md (extzv): Correct check for valid operand[2] values.
4460 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
4463 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
4465 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
4467 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
4468 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
4470 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
4471 cygwin32 can override this to allow both unix and win32 style PATHs.
4473 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
4474 style environment paths.
4476 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4478 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
4479 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
4480 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
4483 * cpphash.c: Include config.h.
4484 * cppalloc.c: Include system.h. Add parameters to various
4485 function prototypes.
4486 * cpperror.c: Likewise.
4487 * cppexp.c: Likewise.
4488 * cpphash.c: Likewise.
4489 * cpplib.c: Likewise.
4490 * cppmain.c: Likewise.
4491 * fix-header.c: Likewise.
4493 * gen-protos.c: Likewise.
4494 * gengenrtl.c: Likewise.
4495 * halfpic.c: Likewise.
4497 * scan-decls.c: Likewise.
4500 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
4502 * README.gnat: Add lang_print_xnode definition.
4504 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4506 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
4507 fmovecr on the 68060.
4509 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
4511 * genemit.c (DONE): Rework so that it works in the true arm if
4512 an if-else conditional.
4515 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
4517 * rs6000.c: Do not include stdioh or ctype.h anymore.
4519 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
4521 (stor-layout.o): Likewise.
4522 * c-typeck.c: Include rtl.h and expr.h.
4523 * stor-layout.c: Likewise.
4525 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
4526 All callers changed.
4527 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
4528 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
4529 All callers changed.
4531 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
4533 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
4535 * tree.h (lang_print_xnode): Provide prototype.
4537 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
4539 * version.c: Bump for snapshot.
4541 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
4543 * objc/sendmsg.c (__objc_block_forward): Add braces for return
4544 value if INVISIBLE_STRUCT_RETURN.
4546 * pa.c (arith_double_operand): Fix parens.
4548 * haifa-sched.c (print_pattern): Correct arg to sprintf.
4550 * Makefile.in (libgcc1.null): Make return type for __foo void.
4552 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
4554 * pa.h: Add declarations for many functions defined in pa.c.
4556 * genpeep.c (main): Remove unused variable 'i' from the generated
4559 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
4560 (gen_split): Likewise.
4561 (main): Rework generated definitions of DONE and FAIL so that they
4562 no longer use gotos. Avoids warnings about unused labels.
4564 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
4565 unused "junk" variable.
4567 * genattrtab.c (write_complex_function): Add a default case in
4568 generated switch statement to keep -W -Wall quiet.
4570 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
4572 * invoke.texi: Document more ARM and Thumb command line options.
4574 * config/arm/xm-thumb.h: New file.
4576 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
4578 * stmt.c (expand_expr_stmt): Must generate code for
4579 statements within an expression (gcc's `({ ... )}')
4580 even if -fsyntax-only.
4582 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4583 Jeffrey A Law (law@cygnus.com)
4585 * basic-block.h (basic_block_computed_jump_target): Declare.
4586 * flags.h: (current_function_has_computed_jump): Declare.
4587 * flow.c: (basic_block_computed_jump_target): Define.
4588 (flow_analysis): Allocate it. Set current_function_has_computed_jump
4590 (find_basic_blocks): Set current_function_has_computed_jump and
4591 elements of basic_block_computed_jump_target to 1 as appropriate.
4592 * function.c: (current_function_has_computed_jump): Define.
4593 * global.c (global_conflicts): Don't allocate pseudos into stack regs
4594 at the start of a block that is reachable by a computed jump.
4595 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
4597 (subst_stack_regs): Undo change from Sep 4 1997.
4598 (uses_reg_or_mem): Now unused, deleted.
4599 * stupid.c (stupid_life_analysis): Compute
4600 current_function_has_computed_jump.
4601 (stupid_find_reg): Don't allocate stack regs if the function has a
4603 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
4604 the current function has a computed jump. Use the global value
4607 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
4609 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
4610 (DWARF2_UNWIND_INFO): Define to zero.
4612 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
4614 * gcc.c (set_std_prefix): Add declaration.
4615 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
4616 suffix, and update the standard prefix prefix.c uses.
4618 * prefix.c (std_prefix): New global to hold default prefix value.
4619 (get_key_value): Change to use std_prefix instead of PREFIX.
4620 (translate_name): Ditto.
4621 (update_path): Ditto.
4622 (get_key_value): Release allocated scratch storage.
4623 (set_std_prefix): New function to reset the standard prefix.
4625 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4627 * sh.c (find_barrier): Fix calculations for alignment increase.
4629 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
4631 * Makefile.in (stmp-fixinc): If we're actually fixing include
4632 files, copy gcc's assert.h into the fixed include dir.
4633 * fixincludes (assert.h): Avoid any attempts to fix a probably
4634 broken system specific assert.h file.
4635 * fixproto (stdlib.h): Make sure, it'll contain a definition of
4638 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
4640 * regclass.c (reg_scan_mark_refs): Be more selective about
4641 when we mark a register with REGNO_POINTER_FLAG.
4643 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4645 reload inheritance improvement:
4646 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
4647 Change meaning: index is now hard reg number.
4648 (reg_reloaded_valid, reg_reloaded_dead): New variables.
4649 (reload_spill_index): Content is now a hard reg number.
4650 (reload_as_needed): Change to fit new variable meaning.
4651 (forget_old_reloads_1, allocate_reload_reg): Likewise.
4652 (choose_reload_regs, emit_reload_insns): Likewise.
4654 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4656 * regclass.c (record_reg_classes): '?' increases cost by two.
4658 * reload.c (find_reloads): Double previous costs. Output
4659 reloads cost one unit extra.
4661 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
4662 boiled down to && ! 0.
4664 * reload.c (find_equiv_reg): Also consider a goal offset from the
4665 frame pointer to be constant.
4667 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4669 * sh.h (OPTIMIZATION_OPTIONS): Define.
4671 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
4673 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
4675 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
4677 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
4679 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
4681 * c-common.c (check_format_info): Initialize type, is_type. New local
4682 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
4683 when pedantic if used with integral format specifier.
4685 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
4687 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
4689 (function_arg_padding): Declare.
4691 * rs6000.c: Include system.h.
4692 (function_arg_padding): Change return type to int, cast enum's to
4695 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
4696 * collect2.c (scan_prog_file): Add explicit braces to avoid
4699 * dbxout.c (dbxout_type_fields): Add braces around empty body in
4701 (dbxout_type): Likewise.
4703 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
4704 `ptt_size' from int to size_t.
4705 (rs6000_file_start): Likewise for `i'.
4706 (rs6000_replace_regno): Add default case in enumeration switch.
4707 (output_epilog): Remove unused variable `i'.
4708 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
4711 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
4713 (get_issue_rate, non_logical_cint_operand): Add prototype.
4714 (rs6000_output_load_toc_table): Ditto.
4716 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
4719 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
4721 * config/arm/thumb.c: New File. Support for ARM's Thumb
4723 * config/arm/thumb.h: New File. Thumb definitions.
4724 * config/arm/thumb.md: New File. Thumb machine description.
4725 * config/arm/tcoff.h: New File. Thumb COFF support.
4726 * config/arm/t-thumb: New File. Thumb makefile fragment.
4727 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
4729 * configure.in: Add Thumb-coff target.
4730 * configure: Add Thumb-coff target.
4731 * config.sub: Add Thumb-coff target.
4733 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
4735 * loop.c (scan_loop): Initialize move_insn_first to zero.
4737 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
4739 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
4740 * config/i386/rtems.h: Likewise.
4741 * config/i960/rtems.h: Likewise.
4742 * config/m68k/rtems.h: Likewise.
4743 * config/mips/rtems64.h: Likewise.
4744 * config/pa/rtems.h: Likewise.
4745 * config/rs6000/rtems.h: Likewise.
4746 * config/sh/rtems.h: Likewise.
4747 * config/sparc/rtems.h: Likewise.
4749 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4751 * pa.c (emit_move_sequence): If in reload, call find_replacement.
4753 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
4755 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
4757 * collect2.c (find_a_file): Add debugging.
4758 (find_a_file): Test for win32 style absolute paths if
4759 DIR_SERPARATOR is defined.
4760 (prefix_from_string): Add debugging.
4761 (main): Test for debug command line switch at start of program
4763 (main): Use GET_ENVIRONMENT rather than getenv().
4764 (prefix_from_env): Use GET_ENVIRONMENT.
4766 1998-03-24 Mark Mitchell <mmitchell@usa.net>
4768 * cplus-dem.c (optable): Add sizeof.
4769 (demangle_template_value_parm): New function containing code
4770 previously found in demangle_template.
4771 (demangle_integral_value): New function which handles complicated
4772 integral expressions.
4773 (demangle_template): Use them.
4775 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4777 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
4778 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
4779 genattrtab.o, genoutput.o): Depend on system.h.
4781 * genattr.c: Include system.h. Add arguments to various function
4782 prototypes. Remove redundant prototype of read_rtx().
4783 * genattrtab.c: Likewise.
4784 * gencodes.c: Likewise.
4785 * genconfig.c: Likewise.
4786 * genemit.c: Likewise.
4787 * genextract.c: Likewise.
4788 * genflags.c: Likewise.
4789 * genopinit.c: Likewise.
4790 * genoutput.c: Likewise.
4791 * genpeep.c: Likewise.
4792 * genrecog.c: Likewise.
4794 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
4796 * c-lang.c (lang_print_xnode): New function.
4797 * objc/objc-act.c (lang_print_xnode): Likewise.
4798 * print-tree.c (print_node): Call it
4800 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
4802 * c-parse.in: Recognize protocol qualifiers in class
4803 definitions for objc.
4805 (yyerror): Remove redundant decl.
4806 (yyprint): Fix prototype.
4808 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
4810 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
4812 * stmt.c (unroll_block_trees): Free block_vector if needed.
4814 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
4816 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
4817 (zero_extendsidi2): Avoid useless copy.
4818 (iordi_zext): New pattern.
4819 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
4821 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
4823 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
4824 (ashldi3): Allow constant shift count in range ]32,63].
4825 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
4827 1998-03-22 Mark Mitchell <mmitchell@usa.net>
4829 * tree.h (IS_EXPR_CODE_CLASS): New macro.
4831 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
4833 * h8300.h (CONST_COSTS): Remove definition.
4834 (DEFAULT_RTX_COSTS): Define.
4836 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
4838 * config/sh/rtems.h: Switched from ELF to COFF.
4840 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4842 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
4844 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
4846 * version.c: Bump for snapshot.
4848 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
4849 Geoff Noer <noer@cygnus.com>
4851 * Makefile.in: Various fixes for building cygwin32 native toolchains.
4853 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
4854 * objc/Make-lang.in: Likewise.
4856 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
4858 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
4860 * configure.in: Handle with-PACKAGE=no correctly
4862 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4864 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
4865 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
4866 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
4867 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
4868 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
4869 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
4870 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
4871 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
4872 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
4873 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
4876 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
4877 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
4878 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
4879 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
4880 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
4881 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
4882 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
4883 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
4884 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
4885 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
4886 xcoffout.c: Include system.h. Organize include ordering so
4887 that stdarg/varargs comes before other system headers. Remove
4888 spurious casts of functions assured of a prototype in system.h.
4890 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
4892 * reg-stack.c (pop_stack): Define. Pops any register on the
4893 regstack and adjusts regstack.
4894 (compare_for_stack_reg): Use pop_stack.
4896 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
4898 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
4901 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
4903 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
4905 * fold-const.c (fold): Replace sign-extension of a zero extended
4906 value by a single zero extension.
4908 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
4910 * except.c (init_eh): Do nothing.
4911 (save_eh_status): Call init_eh_for_function, not init_eh.
4912 * function.c (push_function_context_to): Don't call init_emit.
4914 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
4916 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
4919 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4921 * final.c (shorten_branches): Add parentheses around +/- in
4924 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
4926 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
4928 * regclass.c (memory_move_secondary_cost): Wrap uses of
4929 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
4932 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
4934 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
4936 * flow.c (life_analysis): #include <sys/types.h> to make sure
4938 * cplus-dem.c (demangle_function_name): Likewise.
4940 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
4942 * final.c (insn_noperands): Change type to unsigned int.
4943 (final_scan_insn): Likewise for noperands;
4944 properly check operand number boundaries.
4946 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
4948 * alpha.md (extzv): Don't reject register operands. Fix
4951 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
4953 * dbxout.c (dbxout_function_end): Fix last change. The correct
4954 predicate is ASM_OUTPUT_SECTION_NAME.
4956 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
4958 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
4959 (ashlsi): Use match_dup 1 instead of match_operand 2.
4961 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4963 * fold-const.c (operand_equal_for_comparison_p): See if equal
4964 when nop conversions are removed.
4966 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4968 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
4969 don't use ORIGINAL_TARGET unless REG.
4971 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4973 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
4975 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
4977 * loop.c (struct movable): New field move_insn_first.
4978 (scan_loop): In consec sets code, set it. Clear it otherwise.
4979 (move_movables): In consec sets code, use it. Copy REG_NOTES from
4980 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
4983 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
4985 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
4986 is large, and the system doesn't provide atoll or atoq.
4989 * alpha/xm-vms.h (HAVE_ATOLL): Define.
4990 Reported by Klaus Kaempf <kkaempf@progis.de>.
4992 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4994 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
4995 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
4997 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
4998 test !ACCUMULATE_OUTGOING_ARGS.
5000 * collect2.c (write_c_file_glob): Wrap function definition in
5001 macro test !LD_INIT_SWITCH.
5003 * combine.c (try_combine): Wrap variables `cc_use' and
5004 `compare_mode' in macro test EXTRA_CC_MODES.
5006 * cpplib.c (do_ident): Remove unused variable `len'.
5007 (skip_if_group): Remove unused variables `at_beg_of_line' and
5009 (cpp_get_token): Remove unused variable `dummy'.
5011 * dbxout.c (scope_labelno): Move static variable definition inside
5012 the one function scope where it is used.
5013 (dbxout_function_end): Wrap prototype and definition in
5014 macro test !NO_DBX_FUNCTION_END.
5016 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
5017 in macro test !MIPS_DEBUGGING_INFO.
5019 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
5020 into the scope where it is used. Wrap empty else-statement body
5023 * fix-header.c: Fix typo in comment.
5024 (inf_skip_spaces): Cast results of INF_UNGET to (void).
5025 (check_protection, main): Likewise.
5027 * flow.c (find_basic_blocks_1): Remove dangling comment text.
5029 * function.c (contains): Wrap prototype and definition in macro
5030 test HAVE_prologue || HAVE_epilogue.
5031 (fixup_var_refs_1): Remove unused variable `width'.
5033 * gen-protos.c (main): Remove unused variable `optr'.
5035 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
5037 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
5038 (__sjpopnthrow): Remove unused variable `jmpbuf'.
5039 (__throw): Remove unused variable `val'.
5041 * protoize.c: Check for a previously existing definition before
5042 defining *_OK macros.
5044 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
5046 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5048 * vax.h (ADDR_VEC_ALIGN): Define.
5050 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
5052 * gcc.c (default_arg): Don't wander off the end of allocated
5055 (From Geoffrey Keating <geoffk@ozemail.com.au>)
5056 * rs6000.c (small_data_operand): Ensure that any address
5057 referenced relative to the small data area is inside the SDA.
5059 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
5061 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
5063 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5065 * except.h (in_same_eh_region): New prototype.
5066 (free_insn_eh_region, init_insn_eh_region): New prototypes.
5067 * except.c (insn_eh_region, maximum_uid): New static variables.
5068 (set_insn_eh_region): New static function to set region numbers.
5069 (free_insn_eh_region): New function to free EH region table.
5070 (init_insn_eh_region): New function to initialize EH region table.
5071 (in_same_eh_region): New function used to determine if two rtl
5072 instructions are in the same exception region or not.
5073 * final.c (final): Initialize the table indicating which instructions
5074 belong in which exception region.
5075 * genpeep.c (main): Add "except.h" to include file list in generated
5077 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
5078 peepholes involving calls and unconditional branches.
5080 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
5082 * README.gnat: New file.
5084 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5086 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
5087 "recog.h" for offsettable_memref_p.
5088 (legitimize_pic_address): Remove unused variable `offset'.
5089 (notice_update_cc): Change return type to void. Add default label
5091 (standard_68881_constant_p): Remove unused variable mode.
5092 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
5093 (const_int_cost): Explicitly declare as returning int.
5094 (output_dbcc_and_branch): Change return type to void.
5096 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
5097 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
5098 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
5100 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
5102 * version.c: Bump for snapshot.
5104 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5106 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
5107 check for 'M' constraint.
5109 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
5111 * cccp.c (create_definition): If pedantic, call pedwarn for macro
5114 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5116 * i386.c (ix86_logical_operator): New function.
5117 (split_di): Ensure that when a MEM is split, the resulting MEMs have
5119 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
5122 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5123 Richard Earnshaw <rearnsha@arm.com>
5124 Nick Clifton <nickc@cygnus.com>
5126 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
5128 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
5130 * cse.c (rtx_cost): Provide a default case in an enumeration
5131 switch, and call DEFAULT_RTX_COSTS if it's defined.
5133 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
5135 * basic-block.h (compute_preds_succs): Change return type in
5137 * flow.c (compute_preds_succs): Likewise in function definition.
5139 * regmove.c (find_matches): Cast char used as array index to unsigned char
5142 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
5144 * i386.h (RTX_COSTS): Insert braces around nested if.
5145 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
5148 * gcc.c (default_compilers): Properly put brackets around array elements in
5151 * getopt.c (_getopt_internal): Add explicit braces around nested if;
5154 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
5155 (record_reg_life_pat): Add explicit parens around && and || in expression.
5156 (stack_reg_life_analysis): Add parens around assignment used as expression.
5157 (convert_regs): Likewise.
5159 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
5161 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
5162 change callers accordingly.
5164 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
5165 and definition; change all callers accordingly.
5167 * except.c (init_eh): Avoid assignment of unused return value of
5168 build_pointer_type; cast it to void, instead, and remove unused
5171 * gcc.c (lang_specific_driver): Define prototype only #ifdef
5172 LANG_SPECIFIC_DRIVER.
5173 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
5175 * genoutput.c (output_epilogue): Initialize next_name to 0.
5177 * real.c (efrexp): #if 0 prototype and function definition.
5178 (eremain): Likewise.
5185 * reload.c (push_secondary_reload): Define prototype only
5186 #ifdef HAVE_SECONDARY_RELOADS.
5188 * varasm.c (assemble_static_space): Define rounded only
5189 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
5191 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
5193 * i386.md (andsi): Add default case in enumeration switch.
5198 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
5200 * c-decl (finish_struct): Change type of min_align to unsigned.
5202 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
5203 remove unused variable len.
5205 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
5206 comment indicating this is proper behaviour.
5207 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
5209 (based_loc_descr): Likewise.
5211 * enquire.c (bitpattern): Change type of variable i to unsigned.
5213 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
5215 * flow.c (life_analysis): Change type of variable i to size_t;
5216 remove unused variable insn.
5218 * gcc.c (translate_options): Change type of variables optlen, arglen and
5220 (input_filename_length): Change type to size_t.
5221 (do_spec_1): Change type of variable bufsize to size_t.
5222 (main): Change type of variables i and j to size_t;
5223 remove subblock local definition of variable i.
5224 (lookup_compiler): Change type of second argument to size_t;
5225 change type of variable i to size_t.
5227 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
5229 * genopinit.c (get_insn): Change type of variable pindex to size_t.
5231 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
5233 * global.c (global_alloc): Change type of variable i to size_t.
5235 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
5237 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
5238 (expand_end_case): Change type of variable count to size_t.
5240 * toplev.c (main): Change type of variable j to size_t.
5241 (set_target_switch): Change type of variable j to size_t.
5242 (print_switch_values): Change type of variable j to size_t;
5243 remove unused variable flags.
5245 * varasm.c (assemble_variable): Change type of variable align to size_t.
5246 (const_hash_rtx): Change type of variable i to size_t.
5248 1998-03-11 Mark Mitchell <mmitchell@usa.net>
5250 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
5251 TREE_VEC if that's what it really is.
5253 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
5255 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
5258 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
5260 * gthr.h: Changed the comment about return values.
5261 * gthr-solaris.h (__gthread_once): Do not use errno; return the
5262 error number instead of -1.
5263 (__gthread_key_create): Any non-zero return value is an error.
5264 * libgcc2.c (eh_context_initialize): Check for non-zero return
5265 value from __gthread_once.
5266 Check that the value of get_eh_context was really changed.
5268 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5270 * sh.h (LOOP_ALIGN): Only align when optimizing.
5271 * sh.c (find_barrier): Clear inc for CODE_LABELs.
5272 When not optimizing, calculate alignment for BARRIERs directly.
5274 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5276 * final.c (shorten_branches): Remove conditionalizing on
5277 SHORTEN_WITH_ADJUST_INSN_LENGTH
5278 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
5280 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
5282 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
5283 an unconditional jump around deleted blocks.
5285 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
5287 * profile.c (branch_prob): If see computed goto, call fatal instead of
5290 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
5292 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
5293 Patch from Bruno Haible.
5295 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
5296 (assign_parms): Set aggregate if hide_last_arg and last_named.
5298 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5300 * final.c (shorten_branches): Initialize insn_addresses.
5302 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5304 * sh.h (MUST_PASS_IN_STACK): Define.
5306 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
5308 * final.c (shorten_branches): Fix minor logic error in
5309 ADDR_DIFF_VEC shortening support.
5311 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
5313 * version.c: Bump for snapshot.
5315 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
5317 * haifa-sched.c (is_cfg_nonregular): Change return type to
5318 an int. No longer compute "estimated" number of edges. Use
5319 computed_jump_p instead of duplicating the code. Fixup/add
5321 (build_control_flow): Returns a value indicating an irregularity
5322 in the cfg was detected. Count the number of edges in the cfg.
5323 allocate various edge tables.
5324 (find_rgns): No longer look for unreachable blocks.
5325 (schedule_insns): Do not allocate memory for edge tables here.
5326 Free memory for edge tables before returning. Do not perform
5327 cross block scheduling if build_control_flow returns nonzero.
5328 * flow.c (compute_preds_succs): More accurately determine when
5331 * basic-block.h (free_basic_block_vargs): Provide prototype.
5333 * cccp.c (main): Fix dumb mistakes in last change.
5335 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5337 * rtl.h (addr_diff_vec_flags): New typedef.
5338 (union rtunion_def): New member rt_addr_diff_vec_flags.
5339 (ADDR_DIFF_VEC_FLAGS): New macro.
5341 * sh.c (output_branch): Fix offset overflow problems.
5343 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
5344 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
5345 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
5346 * stmt.c (expand_end_case): Supply new arguments to
5347 gen_rtx_ADDR_DIFF_VEC.
5348 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
5349 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
5350 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
5351 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
5352 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
5353 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
5354 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
5355 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
5356 * i386/freebsd.h, i386/linux.h : Likewise.
5357 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
5358 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
5359 * m68k/mot3300.h, m68k/sgs.h : Likewise.
5360 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
5361 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
5362 (CASE_VECTOR_SHORTEN_MODE): Define.
5363 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
5364 (med_branch_p, braf_branch_p): Don't declare.
5365 (mdep_reorg_phase, barrier_align): Declare.
5366 (ADJUST_INSN_LENGTH): Remove alignment handling.
5367 * sh.c (uid_align, uid_align_max): Deleted.
5368 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
5369 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
5370 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
5371 (output_far_jump): Don't use braf_branch_p.
5372 (output_branchy_insn): Don't use branch_offset.
5373 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
5374 Remove paired barrier stuff.
5375 Don't use cache_align_p.
5376 Take alignment insns into account.
5377 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
5379 (barrier_align, branch_dest): New function.
5380 (machine_dependent_reorg, split_branches): Remove infrastructure
5381 for branch shortening that is now provided in the backend.
5382 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
5383 (braf_branch_p, braf_cbranch_p): Likewise.
5384 (attribute length): Use new attributes.
5385 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
5386 (addr_diff_vec_adjust): Delete.
5387 (align_2): Now a define_expand.
5388 (align_log): Now length 0.
5390 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
5392 * m32r.md (right): Correctly check for length == 2, not 1.
5394 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5396 * mips/mips.h: Prototype `machine_dependent_reorg'.
5397 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
5399 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
5401 * final.c (shorten_branches): Restore accidentally removed code.
5403 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5405 * configure.in: Remove duplicate uses of AC_PROG_CC and
5408 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
5410 * configure.in (target_cpu_default2): Correct typo for alphapca56.
5412 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
5413 Doug Evans (devans@cygnus.com)
5415 * haifa-sched.c (build_jmp_edges): Delete dead function.
5416 (build_control_flow): Use cfg routines from flow.c
5417 (schedule_insns): Remove debugging code accidentally checked
5420 * basic-block.h: Add external integer list structures, typdefs,
5421 accessor macros and function declarations. Simlarly for
5422 basic block pred/succ support and simple bitmap stuff.
5423 * flow.c: Add functions for integer list, basic block pred/succ
5424 support and simple bitmap support.
5425 (compute_dominators): New function to compute dominators and
5427 (find_basic_blocks): Split into two functions.
5428 (life_analysis): Likewise.
5429 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
5430 the life_analysis from toplev.c
5431 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
5432 life_analysis instead of flow_analysis.
5434 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5436 * jump.c (jump_optimize): Call mark_jump_label also for deleted
5438 (mark_jump_label): Don't increment ref counts for deleted insns.
5440 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5442 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
5444 * mips/mips.c: Include stdlib.h and unistd.h.
5445 (mips_asm_file_end): Add braces around empty body in an if-statement.
5446 (function_prologue): Wrap variable `fnname' in
5447 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
5448 (mips_select_rtx_section, mips_select_section): Declare as void.
5450 * mips/mips.h: Add prototypes for extern functions in mips.c.
5451 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
5452 (ENCODE_SECTION_INFO): Add braces around empty body in an
5455 * mips/mips.md (movdi): Add parentheses around && within ||.
5456 (movsf, movdf): Likewise.
5457 (branch_zero, branch_zero_di): Add default case in
5461 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
5463 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
5464 real constants, since they can't be changed.
5465 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
5466 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
5467 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
5468 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
5469 * alpha/vms.h (TARGET_OPEN_VMS): New.
5470 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
5472 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
5474 * reload.c (find_reloads): Always force (subreg (mem)) to be
5475 reloaded if WORD_REGISTER_OPERATIONS.
5477 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
5479 * haifa-sched.c (free_list): Rename from free_pnd_lst.
5480 (free_pending_lists): Rename free_pnd_lst uses.
5481 (remove_dependence): Place expunged element on unused_insn_list.
5482 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
5483 gen_rtx_*_LIST and alloc_rtx to use them.
5484 (compute_block_backward_dependences): Free the reg_last_* lists.
5486 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
5488 * cccp.c (main): Avoid undefined behavior when setting pend_includes
5491 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
5493 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
5494 USE_GNULIBC_1 is defined
5495 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
5496 includes the t-linux-gnulibc1 fragment
5498 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
5500 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
5502 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5504 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
5506 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5508 * final.c (shorten_branches): Tag the loop alignment onto the
5509 first label after NOTE_INSN_LOOP_BEG even if there is an
5512 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5514 * final.c (insn_current_reference_address):
5515 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
5516 proper alignment chain.
5518 * final.c (max_labelno): New static variable.
5519 (final_scan_insn): Check max_labelno before outputting an
5520 alignment for a label.
5521 (shorten_branches): Remove unused variable length_align.
5523 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5525 * sparc.c (ultrasparc_adjust_cost): Add default case in
5528 * sparc.h: Add prototypes for extern functions defined in
5531 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
5533 * toplev.c: Only generate <name>.dbr file when dumping RTL if
5534 DEALY_SLOTS is defined.
5536 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
5538 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
5539 in call to fill_slots_from_thread.
5541 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
5543 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
5544 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
5546 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5548 * final.c (insn_last_address, insn_current_align, uid_align):
5550 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
5551 (insn_current_reference_address): Likewise.
5552 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
5553 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
5554 (label_to_alignment): New function.
5555 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
5556 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
5557 insn_current_reference_address instead of insn_current_address.
5558 (or_attr_value, write_length_unit_log): New functions.
5559 (main): Call write_length_unit_log.
5560 (write_const_num_delay_slots): Output extra '\n'.
5561 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
5563 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
5564 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
5565 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
5567 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
5568 (LABEL_ALIGN_AFTER_BARRIER).
5569 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
5570 * ns32k/tek6000.h: Likewise.
5571 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
5572 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
5573 ASM_OUTPUT_ALIGN_CODE.
5575 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
5577 * version.c: Bump for snapshot.
5579 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
5581 * version.c: Bump for snapshot.
5583 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
5585 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
5586 if condition code of jump conflicts with opposite_needed.
5588 * reorg.c (fill_slots_from_thread): Mark resources referenced in
5589 opposite_needed thread. Return delay_list even when cannot get
5590 any more delay insns from end of subroutine.
5592 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
5594 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
5595 All callers changed.
5597 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5599 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
5600 end_fde_sort): New functions for fast sorting of an FDE array.
5601 (fde_insert): Simplified.
5602 (add_fdes): Change argument list.
5603 (frame_init): Use the new functions.
5605 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
5607 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
5609 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
5611 * fold-const.c (fold_range_test): Always return a value.
5613 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
5615 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
5616 data in the text section unless READONLY_DATA_SECTION is defined.
5618 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
5620 * c-parse.in (undeclared variable error): Tweak error message to
5623 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
5625 * version.c: Bump for snapshot.
5627 1998-02-28 Mark Mitchell <mmitchell@usa.net>
5629 * final.c (final_scan_insn): Undo overzealous removal of `set'.
5631 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5633 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
5634 case, add parentheses to specify the proper order of precedence in
5638 * c-aux-info.c: Include string.h/strings.h.
5640 * pa.c: Include stdlib.h.
5641 (pa_combine_instructions): Prototype the function.
5642 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
5643 (reloc_needed): Add default case for enumeration switch.
5644 (remove_useless_addtr_insns): Remove unused variable `all'.
5645 (hppa_expand_prologue): Add explicit braces to avoid
5647 (output_function_epilogue): Remove unused variable `i'.
5648 (output_millicode_call): Remove unused variable `link'.
5649 (shadd_constant_p, forward_branch_p): Make the function static.
5650 (following_call): Explicitly declare to return int.
5651 (pa_reorg): Declare as void.
5652 (pa_combine_instructions): Declare as static void. Add
5653 parentheses around && within ||.
5655 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
5656 following_call, function_label_operand, lhs_lshift_cint_operand
5659 * pa.md: Add parentheses around && within ||.
5661 * cppalloc.c: Include stdlib.h.
5663 * cpperror.c (cpp_print_containing_files): Remove unused variable
5664 `i'. Fix format specifier in fprintf.
5666 * cse.c (cse_around_loop): Add explicit braces to avoid
5668 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
5670 * expr.c (expand_expr): Add parentheses around && within ||.
5672 * final.c (app_enable): Replace fprintf with fputs where there are
5673 no format specifiers and no trailing argument after the string.
5674 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
5675 (app_disable): Likewise.
5676 (final_end_function): Likewise.
5677 (final_scan_insn): Likewise. Remove unused variable `set'.
5678 (profile_function): Wrap empty if-statement body in {} brackets.
5680 * function.c: Include stdlib.h.
5681 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
5682 (reposition_prologue_and_epilogue_notes): Add parentheses
5683 around assignment used as truth value.
5685 * integrate.c (expand_inline_function): Wrap variable
5686 `cc0_insn' in macro HAVE_cc0.
5688 * jump.c (jump_optimize): Wrap variable `q' in macro
5689 HAVE_cc0. Remove unused variable `prev1'.
5691 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
5692 within ||. Fix format specifier in fprintf.
5693 (__bb_init_prg): Add parentheses around assignment used as
5696 * local-alloc.c: Include stdlib.h.
5697 (requires_inout): Add parentheses around assignment used
5700 * loop.c (analyze_loop_iterations): Wrap prototype and definition
5701 in macro HAVE_decrement_and_branch_on_count.
5702 (insert_bct, instrument_loop_bct): Likewise.
5703 (move_movables): Add parentheses around assignment used as
5705 (consec_sets_invariant_p): Likewise.
5706 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
5708 * objc/objc-act.c: Include stdlib.h.
5709 (lookup_method_in_protocol_list): Wrap empty else-statement body
5711 (lookup_protocol_in_reflist): Likewise.
5712 (objc_add_static_instance): Remove unused variables `decl_expr'
5714 (get_objc_string_decl): Remove unused variable `decl'.
5715 (generate_static_references): Remove unused variables `idecl' and
5717 (check_protocols): Wrap empty else-statement body in braces.
5719 * protoize.c: Include stdlib.h.
5720 (substr): Add parentheses around assignment used as truth value.
5721 (abspath): Likewise.
5722 (shortpath): Likewise.
5724 * regmove.c (fixup_match_1): Add parentheses around assignment
5725 used as truth value.
5727 * reload.c (push_secondary_reload): Remove unused variable `i'.
5728 (find_reloads): Add parentheses around assignment used as truth
5731 * reload1.c: Include stdlib.h.
5733 * rtl.h: Correct typo in prototype of offsettable_memref_p.
5735 * stmt.c (add_case_node): Add parentheses around assignment used
5737 (case_tree2list): Likewise.
5739 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
5740 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
5741 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
5742 (merge_attributes): Add explicit braces to avoid ambiguous
5745 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
5748 * varasm.c: Include stdlib.h.
5751 * system.h: Remove sys/stat.h.
5752 * gcc.c: Add sys/stat.h.
5754 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
5755 * genattrtab.c: Likewise.
5756 * genconfig.c: Likewise.
5757 * genemit.c: Likewise.
5758 * genextract.c: Likewise.
5759 * genflags.c: Likewise.
5760 * genopinit.c: Likewise.
5761 * genoutput.c: Likewise.
5762 * genpeep.c: Likewise.
5763 * genrecog.c: Likewise.
5764 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
5766 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5768 * invoke.texi: Use @itemx for a secondary item in a @table.
5770 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
5773 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
5775 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
5777 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
5779 * i386.c (struct machine_function): Add new fields for PIC stuff.
5780 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
5782 (restore_386_machine_status): Corresponding changes.
5783 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
5785 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
5787 * c-parse.y (undeclared variable error): Tweak error message
5790 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
5792 * flags.h (g_switch_value, g_switch_set): Declare.
5793 * alpha.c (override_options): Set g_switch_value=8 if not set.
5794 * alpha/elf.h (CC1_SPEC): New.
5796 (LINK_SPEC): Pass along the -G value we were given.
5797 (LOCAL_ASM_OP): Remove.
5798 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
5799 (MAX_OFILE_ALIGNMENT): New.
5800 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
5801 (EXTRA_SECTIONS): Add sbss and sdata.
5802 (SECTION_FUNCTION_TEMPLATE): New.
5803 (EXTRA_SECTION_FUNCTIONS): Use it.
5804 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
5805 (SELECT_SECTION): Use sdata when small enough.
5806 * alpha/linux.h (ASM_SPEC): Remove.
5809 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5810 * config.sub (sco5): Fix typo.
5812 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
5814 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
5816 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
5817 * config/alpha/t-linux: Remove file.
5818 * config/sparc/t-linux: Remove file.
5819 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
5820 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
5821 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
5823 (alpha*-*-linux-gnu*): Likewise.
5824 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
5825 (sparc-*-linux-gnu*): Likewise.
5827 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
5828 * collect2.c (ldd_file_name): Bracket declaration with same
5830 (full_real_ld_suffix): Deleted. Variable was calloced and
5831 written into, but never read.
5833 1998-02-23 Mike Stump <mrs@wrs.com>
5835 * configure.in: Add support for i386-wrs-vxworks configuration.
5836 * i386/vxi386.h: New file.
5838 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
5840 * tree.c (contains_placeholder_p): Ensure function always returns
5842 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
5843 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
5845 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
5847 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
5849 1998-02-22 Paul Eggert <eggert@twinsun.com>
5851 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
5852 Define this new symbol.
5853 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
5854 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
5855 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
5857 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
5859 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
5860 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
5862 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
5864 * objc/Object.m (-error): Call objc_verror with our va_list.
5866 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5868 * collect2.c (scan_prog_file): Completely cover uses of variable
5869 `exports' with macro COLLECT_EXPORT_LIST.
5871 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
5873 * version.c: Bump for snapshot.
5875 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
5877 * sched.c (schedule_block): Remove code to get arguments from hard
5878 regs into pseudos early. Same as Aug 25, 1997 change to
5881 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
5883 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
5885 1998-02-16 Mark Mitchell <mmitchell@usa.net>
5887 * toplev.c (rest_of_compilation): Do not defer the output of a
5890 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
5892 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
5893 continuation character (line 243).
5895 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5897 * genrecog.c (main): Remove duplicated sentence in emitted comment.
5899 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
5900 David Edelsohn <edelsohn@mhpcc.edu>
5902 * collect2.c (XCOFF_SCAN_LIBS): Remove.
5903 (export_flag): New variable.
5904 (export_file): #ifdef COLLECT_EXPORT_LIST.
5905 (import_file, exports, imports, undefined): New variables.
5906 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
5907 (dump_list, dump_prefix_list, is_in_list): New functions.
5908 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
5909 (write_import_file, resolve_lib_name): New functions.
5910 (use_import_list, ignore_library): Same.
5911 (collect_exit): maybe_unlink import_file and #ifdef.
5913 (main): New variable importf, #ifdef exportf. Move parsing of
5914 -shared before general argument parsing. Resolve AIX library
5915 paths and import libgcc.a symbols. Treat .so shared libraries the
5916 same as objects and .a libraries. Create alias for object_lst and
5917 increment it instead of original pointer. Scan AIX libraries as
5918 objects earlier instead of using scan_libraries. Perform AIX
5919 tlink later to resolve templates instead of forking ld.
5920 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
5921 (GCC_UNDEF_SYMBOL): New macro.
5922 (scan_prog_file): Loop for members of AIX libraries. Handle
5923 export/import of ctors/dtors.
5924 (aix_std_libs): New variable.
5925 (scan_libraries, XCOFF): Delete.
5927 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
5929 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
5931 1998-02-19 Mike Stump <mrs@wrs.com>
5933 * Makefile.in: Use $tooldir for sys-include to match toplevel
5936 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
5937 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5939 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
5941 * emit-rtl.c (hard-reg-set.h): Include.
5942 (get_lowpart_common): Don't make new REG for hard reg in a
5943 class that cannot change size.
5944 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
5946 * combine.c: Revert previous patch.
5948 1998-02-19 Paul Eggert <eggert@twinsun.com>
5950 * config/sparc/sol2-sld.h: New file.
5951 * configure.in (sparc-*-solaris2*): Use it when using the
5954 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
5956 * loop.c (force_movables): Fix typo.
5958 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
5960 * m88k.h: Change file pattern to match reality.
5962 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
5964 * varasm.c (output_constant_pool): Fix dumb thinko in last
5967 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
5968 a function name to a section name.
5970 1998-02-18 Doug Evans <devans@cygnus.com>
5972 * tree.h (merge_machine_{type,decl}_attributes): Declare.
5973 (split_specs_attrs, strip_attrs): Add prototypes.
5974 * tree.c (merge_machine_{type,decl}_attributes): New functions.
5975 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
5976 Update olddecl's attributes too.
5977 * c-common.c (strip_attrs): New function.
5978 * c-typeck.c (common_type): Call merge_machine_type_attributes.
5979 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
5980 (make_decl_rtl): Likewise.
5982 1998-02-18 Jim Wilson <wilson@cygnus.com>
5984 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
5986 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
5988 Remove this change until we can fix it correctly.
5989 * collect2.c: Bracket declaration of 'exportf' and
5990 'full_real_ld_suffix'.
5992 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5994 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
5996 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5998 * c-common.c (c_expand_start_cond, c_expand_end_cond,
5999 c_expand_start_else): Don't warn about non-ambiguous else even if
6002 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
6004 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
6005 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
6008 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
6010 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
6011 simplifying a subreg of a hard reg.
6012 (expand_compound_operation): Likewise.
6013 (force_to_mode): Likewise.
6015 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6017 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
6018 (lshift_double): Add parentheses around + or - inside shift.
6019 (rshift_double): Likewise.
6020 (size_int_wide): Explicitly set type of `bit_p' to `int'.
6022 * Makefile.in (fold-const.o): Depend on system.h.
6024 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
6027 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
6028 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
6029 (sched_note_set): Remove unused parameter `b', all callers changed.
6030 (schedule_block): Likewise for `rgn'.
6031 (split_hard_reg_notes): Likewise for `orig_insn'.
6032 (check_live): Likewise for `trg'.
6033 (update_live): Likewise.
6034 (check_live_1): Explcitly declare variable `i' as int.
6035 (update_live_1): Likewise.
6036 (insn_issue_delay): Remove unused variable `link'.
6037 (sched_analyze_2): Add default case in enumeration switch.
6038 (schedule_insns): Remove unused variable `i'.
6040 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
6042 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
6044 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
6045 a dangling else clause.
6047 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
6049 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
6050 pointer for the stack pointer in MIPS16 and 64BIT.
6052 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6054 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
6055 * emit-rtl.c (force_line_numbers, restore_line_number_status):
6057 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
6058 (expand_start_case): Adjust to this change.
6059 (check_seenlabel): New function.
6060 (pushcase, pushcase_range, expand_endcase): Use it.
6062 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6064 * i386.md (adddi3): Add =!r,0,0,X alternative.
6066 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
6068 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
6069 * x-aix31 (INSTALL): Delete.
6071 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
6073 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
6074 tsize changes to something other than zero.
6076 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
6078 * ginclude/va-mips.h: Replace casts of pointers to int with
6079 casts of pointers to __PTRDIFF_TYPE__.
6081 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
6083 * loop.c (strength_reduce, record_biv, record_giv): Use
6084 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
6086 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
6088 * tree.c (first_rtl_op): New fn.
6089 (unsave_expr_now): Use it.
6090 * print-tree.c (print_node): Likewise.
6091 * tree.c (has_cleanups): New fn.
6092 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
6093 conservative about pushing the cleanup point down.
6094 * tree.h: Declare them.
6096 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
6098 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
6099 (flag_schedule_reverse_after_reload): Likewise.
6100 (f_options): Remove reverse scheduling support.
6101 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
6102 (flag_schedule_reverse_after_reload): Likewise.
6103 * haifa-sched.c (rank_for_schedule): Remove support for reverse
6106 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6108 * gcc.c: Get system includes, prototypes and macros via "system.h"
6109 instead of doing it manually. Change all calls of the ctype
6110 macros to custom versions defined in "system.h".
6112 * system.h: Fix return type of bcmp prototype from `void' to `int'.
6113 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
6114 Add a prototype for getenv.
6116 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
6118 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
6120 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
6122 * alias.c: Include <stdlib.h> and <string.h>.
6123 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
6125 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
6127 * version.c: Bump for snapshot.
6129 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
6131 * arm.md (movsfcc): Also validate operands[3] when compiling hard
6133 (movdfcc): Only accept fpu_add_operand for operands[3].
6135 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
6136 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
6138 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
6140 * varasm.c (output_constant_pool): Bring back 'done' label inside
6141 an appropriate #ifdef.
6143 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
6145 (bitmap_copy, bitmap_operation): Likewise.
6146 * combine.c (combinable_i3pat): Similarly for 'src'.
6147 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
6148 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
6149 * regclass.c (copy_cost): Similarly for 'secondary_class'.
6150 * reload.c (make_memloc): Simliarly for 'i'.
6151 (find_reloads_address_1): Similarly for 'link'.
6152 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
6153 (emit_reload_insns): Similarly for 'second_reloadreg'.
6154 * unroll.c (iteration_info): Similarly for 'v'.
6156 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
6157 * calls.c (expand_call): Similarly for 'i'.
6158 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
6159 * fold-const.c (strip_compund_expr): Similarly for 'type'.
6160 * function.c (fixup_var_refs_1): Similarly for 'width'.
6161 (fixup_memory_subreg): Similarly for 'saved'.
6162 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
6163 (setjmp_protect): Similarly for 'sub'.
6164 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
6165 * loop.c (record_giv): Similarly for 'p'.
6166 (combine_givs): Similarly for 'temp_iv'.
6167 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
6168 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
6169 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
6170 * unroll.c (unroll_loop): Similarly for 'copy'.
6171 (iteration_info): Similarly for 'b'.
6172 * varasm.c (assemble_string): Similarly for 'i'.
6173 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
6175 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
6177 * c-lang.c (lang_print_xnode): New function.
6178 * objc/objc-act.c (lang_print_xnode): Likewise.
6179 * print-tree.c (print_node): Call it
6181 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
6183 * dwarf2out.c (decl_scope_node): New type.
6184 (decl_scope_table): Change type to use it.
6185 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
6186 (push_decl_scope): Use new type. New locals containing_scope, i.
6187 Add code to handle setting previous field.
6188 (scope_die_for): Change type of local i to int. Add code to use
6190 (dwarf2out_init): Use new type.
6192 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
6194 * except.c (emit_throw): Lose throw_used.
6196 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6198 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
6200 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
6202 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
6204 * genextract.c (main): Fix typo.
6206 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
6208 * c-lang.c (finish_file): Bracket declaration of static_ctors,
6211 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
6212 'old_stack_arg_under_construction'
6213 (emit_library_call): Bracket declaration of 'upper_bound',
6214 'lower_bound', 'i', 'reg_parm_stack_space'
6215 (emit_library_call_value): Likewise.
6218 * collect2.c: include <unistd.h> when appropriate.
6219 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
6221 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
6223 * explow.c (plus_constant_for_output_wide): Remove unused variable
6225 (memory_address): Remove unused variable 'orig_x'.
6227 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
6228 (write_const_num_delay_slots): Remove unused variable 'i'.
6230 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
6231 (gen_insn): Remove unused variable 'obstack_ptr'.
6233 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
6235 (__bb_exit_trace_func): Remove unused variable 'e'.
6237 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
6239 (expand_unop): Remove unused variable 'funexp'.
6240 (expand_complex_abs): Remove unused variable 'funexp'.
6241 (init_optabs): Bracket declaration of 'j'.
6242 (init_complex_libfuncs): Deleted. Dead static function.
6244 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
6246 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
6247 (reg_to_stack): 'initialized', 'before_function_beg'
6248 explictly type as ints instead of defaulting.
6249 (emit_swap_insn): Remove unused variable 'i2'.
6250 (compare_for_stack_reg): Remove unused variable 'src_note'.
6252 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
6254 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
6256 * stmt.c (add_case_node): Add parens for assignment used as truth.
6257 (all_cases_count): Remove unused variable 'count_high'.
6258 (mark_seen_cases): Remove unused variable 'i'.
6259 (check_for_full_enumeration_handling): Remove unused variable 't'.
6260 Bracket declaration of 'all_values', 'l'.
6262 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
6264 * varasm.c (assemble_string): Remove unused variable 'i'.
6265 (immed_double_const): Remove unused variable 'in_current_obstack'.
6266 (immed_real_const_1): Likewise.
6267 (output_constant_pool): Remove unreferenced label 'done'.
6268 (output_constant): Remove unused variable 'x'.
6270 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
6273 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
6276 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6278 * combine.c (can_combine_p): Handle USEs in PARALLELs.
6280 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
6282 * config/linux.h (LIB_SPEC): Add -lc for -shared if
6283 USE_GNULIBC_1 is not defined.
6284 * config/sparc/linux.h; Ditto.
6286 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
6288 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
6289 USE_GNULIBC_1 is not defined.
6291 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
6293 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
6296 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6298 * system.h: New file to get common systems includes and various
6299 definitions and declarations based on autoconf macros.
6301 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
6303 * cccp.c (new_include_prefix): Correctly handle -I./.
6305 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
6307 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
6309 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
6311 * expr.c (expand_assignment): Correct typo exposed by -Wall.
6312 offset should have been a truth value, not an assignment.
6314 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
6316 * cse.c (delete_dead_from_cse): If a libcall produces a constant
6317 result and that result can be substituted into SET_SRC of the
6318 insn with the REG_RETVAL note, then perform the substitution
6319 and delete the libcall.
6321 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
6323 * mips.md (trucndihi2,truncdiqi2): Change these to support
6326 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
6328 * mips/mips.c (movdi_operand): Direct referances to symbols
6329 that arn't mips16 consts in mips16 mode arn't valid operands.
6331 * mips/mips.c (mips_move_2words): Add gprel handling.
6333 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
6335 * mips.md (extendsidi2): Allow extension to/from a non-mips16
6338 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
6340 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
6343 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6345 * Makefile.in (WARN_CFLAGS): New variable.
6346 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
6348 1998-02-11 Mark Mitchell <mmitchell@usa.net>
6350 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
6351 falling through default case in switch.
6352 (i386_aligned_p): Likewise.
6354 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
6356 * mips/mips.h (mips_abi_string): Correct typo in comment.
6358 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
6360 * mips/mips.md (movdi): These PLUS's need to be Pmode.
6362 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6364 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
6365 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
6366 indirectly via expr.h.
6368 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
6370 * stor-layout.c (layout_type): Do upper - lower in the native type,
6371 so as to properly handle negative indices.
6373 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
6375 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
6376 (expand_eh_region_start_tree): Remove unused variable 'note'.
6377 (exception_optimize): Remove unused variable 'regions'.
6378 (expand_builtin_eh_stub): Remove unused variable 'temp'.
6379 (copy_eh_entry): Deleted. Dead function.
6381 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
6382 'last' with same #if HAVE_load_multiple as use of it.
6383 (move_block_from_reg): Likewise.
6384 (emit_move_insn_1): Remove unused variable 'insns'.
6385 (store_constructor): Bracket declaration of startb, endb with
6386 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
6387 'target', and 'xtarget'.
6388 (expand_builtin_setjmp): Remove unused variables 'op0',
6389 'next_arg_reg', 'old_inhibit_defer_pop'.
6390 (expand_builtin): Remove unused variable 'offset'.
6391 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
6392 (emit_queue): Add parens for assignment used as conditional.
6393 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
6395 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
6397 * i386.c: Added include for recog.h.
6398 (override_options): Removed unused variable p. Initialized regno to
6400 (order_regs_for_local_alloc): Initialized regno to avoid warning.
6401 (legitimize_address): Likewise for 'other'.
6402 (i386_aligned_reg_p): Added default case with abort ().
6403 (print_operand): Likewise.
6404 (reg_mentioned_in_mem): Likewise.
6405 (ix86_expand_binary_operator): Removed unused variables i & insn.
6406 (ix86_expand_unary_operator): Removed unused variable insn.
6407 (output_fp_cc0_set): Removed unused variable unordered_label.
6409 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
6411 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
6412 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
6413 and format string match.
6415 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
6417 * flow.c (life_analysis): Do not conside the stack pointer live at
6418 the end of a function if the fucntio ncalls alloca.
6419 (mark_used_regs): Similarly.
6421 1998-02-10 John F Carr <jfc@mit.edu>
6423 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
6424 1, fzero on alternative 8.
6426 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6428 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
6430 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6432 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
6433 SUBREGs of CONST_INTs.
6435 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
6437 * mips.c (print_operand, function_prologue): Make printf format
6438 match argument type.
6440 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6442 * alpha.c (alpha_return_addr): Remove unused variable `first'.
6443 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
6444 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
6446 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6448 * loop.c (strength_reduce): When placing increment for auto-inc
6449 case, do comparison in loop order.
6451 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
6453 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
6454 not a HOST_WIDE_INT.
6456 * calls.c (expand_call): Change test of expand_inline_function
6457 return value to stop compiler warning.
6459 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
6461 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
6462 Jeff Law (law@cygnus.com)
6464 * regmove.c: Fix various minor formatting problems.
6465 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
6466 is true. Make end of basic block tests consistent through regmove.c.
6467 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
6468 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
6470 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6472 * gansidecl.h: Check for a conflicting macro definition before
6473 attempting to prototype bcopy, bcmp or bzero.
6475 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
6477 * expr.c (clear_pending_stack_adjust): Handle case where a function
6478 calls alloca, but the user has specified -fomit-fframe-pointer.
6480 * function.c (assign_parms): Fix typo in last change.
6482 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
6484 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
6486 (free_path_suffix): Remove unreferenced static function.
6487 (process_command): Remove unused variable temp.
6488 (default_arg): Remove unused variable i.
6489 (do_spec_1): Add parens for assignment used as truth value.
6491 (validate_all_switches): Likewise.
6492 (main): Remove unused variables i, first_time>
6494 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
6496 * calls.c (expand_call): Remove unused variables funtree,
6497 n_regs, and tmpmode.
6499 * dbxout.c, except.c: Include <string.h>/<strings.h>.
6501 * explow.c: (plus_constant_for_output_wide) Removed unused
6502 variable all_constant.
6504 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
6505 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
6506 genrecog.c, global.c, integrate.c , stupid.c : Include
6509 * genextract.c: (walk_rtx) Remove unused variable link.
6511 * genrecog.c: (concat) Remove unreferenced static function.
6513 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
6515 * stmt.c: Include <stdlib.h>.
6516 (expand_asm_operands): Remove unused variable val1.
6517 (expand_return): Remove unused variable block.
6518 (pushcase): Remove unused variables l and n.
6519 (pushcaserange): Likewise.
6521 * unroll.c (unroll_loop): Remove unused variable temp.
6523 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
6525 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
6527 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6529 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
6530 functions for whether they support the %p format specifier.
6531 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
6532 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
6533 * configure, config.in: Rebuild.
6535 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
6537 * function.c (assign_parms): New variable named_arg, with value
6538 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
6540 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
6542 * mips/t-r3900: New - same as t-ecoff but eliminate
6543 multilibs: mips1 and mips3.
6544 * configure.in (tx39*): Use new mips/t-r3900.
6545 * configure: Rebuild.
6546 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
6548 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
6550 * dwarf2out.c: Add old_args_size.
6551 (dwarf2out_args_size): Use it.
6552 (dwarf2out_begin_prologue): Initialize it.
6553 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
6554 pushed args until we see a call.
6555 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
6556 before outputting them.
6558 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
6560 * cplus-dem.c (demangle_template_template_parm): New function.
6561 (demangle_template): Handle template template parameters.
6563 1998-02-02 Mark Mitchell <mmitchell@usa.net>
6565 * calls.c (expand_call): Don't confuse member functions named
6566 realloc, setjmp, and so forth with the standard library
6567 functions of the same names.
6569 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
6571 * stmt.c (expand_asm_operands): Correctly identify asm statements
6574 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
6576 * c-common.c (decl_attributes): Flag unrecognized attribute
6577 functions as warnings instead of as errors.
6579 1998-02-05 Marc Lehmann <pcg@goof.com>
6581 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
6582 when -Os is specified.
6583 * toplev.c (main): Don't disable flag_inline_functions anymore when
6586 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6588 * regmove.c: Update.
6589 * flags.h (flag_regmove): Declare.
6590 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
6591 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
6592 Moved into regmove; changed caller.
6593 * toplev.c (rest_of_compilation): Call regmove_optimize also for
6594 expensive_optimizations.
6596 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
6598 * version.c: Bump for snapshot.
6600 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6601 Undo this change (the problem was actually in reload):
6602 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6604 * sh.md (movqi_i+1): New peephole.
6606 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
6608 * jump.c (jump_optimize): Lose calls to modified_in_p they are
6609 not needed anymore due to changes elsewhere in jump.c.
6611 * jump.c (jump_optimize): Fix first arg to modified_in_p in
6614 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
6616 * expr.c (expand_builtin_setjmp): Accept two new arguments for
6617 the labels to branch to on first and subsequent executions. Don't
6618 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
6619 and provide it with the jmp_buf. Use only one of
6620 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
6621 and provide the former with the target label.
6622 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
6623 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
6624 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
6625 insn to replace all of the normal nonlocal_goto code. Don't play
6626 with __dummy. Correct arguments to nonlocal_goto.
6627 * expr.h (expand_builtin_setjmp): Update prototype.
6628 * except.c (start_dynamic_handler): When using builtin_setjmp,
6629 generate more accurate flow information.
6631 * alpha.md (nonlocal_goto_receiver_osf): Delete.
6632 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
6633 (builtin_longjmp, builtin_setjmp_receiver): New.
6634 * sparc.md (update_return): Disambiguate unspec number.
6635 (nonlocal_goto): Rearrange arguments to match caller in except.c.
6636 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
6638 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
6639 (builtin_setjmp_setup*, builtin_longjmp): New.
6641 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
6643 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
6645 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
6647 * vmsconfig.com: Remove bytecode references.
6649 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6651 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
6652 -fno-sjlj-exceptions works for a target that defines
6653 DWARF2_UNWIND_INFO as zero.
6655 * regmove.c (fixup_match_1): Undo last change which removed some
6656 "useless" code, and add a comment explaining this.
6658 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
6660 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
6663 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
6665 * makefile.vms: Remove bytecode references.
6666 Create genrtl files.
6668 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
6670 * jump.c (jump_optimize): Allow conditional loading of floating point
6671 constants and constants from memory. Reinstalled modified_in_p tests.
6673 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6675 * loop.c (get_condition): Handle sign-extended constants.
6677 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
6679 * expr.c (emit_push_insn): Add code to use movstrti if present.
6681 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
6682 and movstrqi as in emit_block_move ().
6684 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
6686 * config/m68k/x-next: Remove /NextDeveloper/Headers from
6687 the directories to fixinclude - /usr/include is a link
6688 to it and hence its contents are fixed by default.
6690 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
6692 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
6694 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
6696 * cccp.c (main): Predefine __VMS_VER on VMS.
6698 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6700 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
6701 * fold-const.c (size_int): Replace with
6703 (make_bit_field_ref): Use bitsize_int for bit position.
6704 * stor-layout.c (sizetype): Delete.
6705 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
6706 (layout_record, layout_union, layout_type):
6707 Use bitsize_int for bit size.
6708 (set_sizetype): New function.
6709 (make_signed_type, make_unsigned_type): Use it.
6710 * c-decl.c (init_decl_processing): Likewise.
6711 * tree.h (size_int): Don't delcare, #define.
6712 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
6713 (set_sizetype): Declare.
6714 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
6716 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
6717 Convert result to sizetype.
6718 (really_start_incremental_init, push_init_level):
6719 Set type of constructor_bit_index to sbitsizetype.
6720 (push_init_level): Use unsigned arithmetic to determine padding.
6721 (output_init_element): Likewise.
6723 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
6725 * combine.c (simplify_shift_const): Fix typo in last change.
6727 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
6729 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
6730 is (truncate (lshiftrt)).
6732 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
6734 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
6735 Make sure result winds up in TGT.
6736 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
6737 src to be other than DImode.
6738 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
6739 (alpha_expand_unaligned_store_words): Likewise.
6740 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
6741 that source and destination are separately optimized for alignment.
6742 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
6744 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
6746 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
6747 with handling of -32768.
6749 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6751 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
6752 shell variable argument instead of only hard coded functions.
6753 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
6755 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
6756 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
6757 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
6758 declarations for bcopy, bcmp and bzero.
6760 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
6762 * gansidecl.h: If we have bcopy but don't declare it, then do so.
6763 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
6764 bzero, index and rindex if they aren't already present.
6766 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
6768 * toplev.c (close_dump_file): Wrap function prototype for
6769 argument "func" in PROTO.
6770 (dump_rtl): Likewise.
6772 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
6774 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
6776 (output_function_epilogue): Omit epilogue if nothing drops through.
6777 (output_move_double): Supress int ldd usage on ultrasparc and v9.
6778 (registers_ok_for_ldd_peep): Likewise.
6779 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
6780 (ultrasparc_adjust_cost): New function.
6781 (sparc_issue_rate): New function.
6782 * sparc.h (MASK_VIS, TARGET_VIS): New
6783 (MASK_V8PLUS, TARGET_V8PLUS): New.
6784 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
6785 (TARGET_SWITCHES): Add vis and v8plus.
6786 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
6787 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
6788 (RTX_COSTS): Use TARGET_HARD_MUL
6789 (ADJUST_COST): Call ultrasparc_adjust_cost.
6791 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
6792 of load & fp appropritely.
6793 (supersparc function units): Adjust for Haifa.
6794 (ultrasparc function units): Likewise.
6795 (get_pc_via_rdpc): All v9, not just arch64.
6796 (movdi_v8plus, movdi_v8plus+1): New.
6797 (adddi3_sp32+1): New.
6798 (subdi3_sp32+1): New.
6799 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
6800 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
6801 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
6802 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
6803 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
6804 (ldd peepholes): Suppress for v9.
6805 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
6806 (return_subsi): Revmove.
6808 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
6810 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
6811 save/restore MEM rtl.
6813 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
6815 * configure.in: Check for declaration of abort.
6816 * acconfig.h: Corresponding changes.
6817 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
6820 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
6822 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
6825 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
6827 * version.c: Bump for snapshot.
6829 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
6831 * configure.in: Check for atoq and atoll.
6832 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
6833 proper routine for converting ascii into long long values.
6835 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
6837 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
6839 * vmsconfig.com: Remove bytecode references.
6841 * alpha/vms.h (PREFIX): Define.
6843 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
6845 * am-alpha.h: Don't include alloca for OPEN_VMS.
6847 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
6849 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
6850 (GCC_INCLUDE_DIR): Define
6852 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
6853 * makefile.vms: New file.
6855 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
6857 * alpha.c (output_prolog): Output '.name' directive
6858 for minimal traceback information.
6860 * alpha.c (output_prolog): Don't prepend entry point symbols
6861 with '$' on OPEN_VMS.
6863 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
6864 Jeffrey A Law (law@cygnus.com)
6866 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
6869 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
6871 * genemit.c (gen_exp): Likewise.
6872 * genpeep.c (match_rtx): Likewise.
6873 * genrecog.c (write_tree_1): Likewise.
6875 * c-lex.c (yyprint): Use proper format string based upon
6876 disposition of HOST_BITS_PER_WIDE_INT.
6877 (yylex): Put casts in right place for args to build_int_2.
6879 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
6881 * combine.c: Fix typos in Jan27 changes.
6883 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
6885 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
6886 (LINK_SPEC): Likewise.
6887 (STARTFILE_SPEC): Likewise.
6889 1998-01-28 Mike Stump <mrs@wrs.com>
6891 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
6893 * genattrtab.c (reload_completed): Define.
6895 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
6898 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6900 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
6901 SUBREG_REG if the word count is unchanged, also in the input reload
6902 case. Disable non-applicable sanity checks.
6904 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
6906 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
6908 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
6910 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
6912 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
6914 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
6915 is a TREE_VEC before trying to use it for baseclasses.
6916 (Chill uses the same field for a different purpose.)
6918 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
6920 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
6922 * config.sub: More accurate determination of HP processor types.
6924 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6926 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
6927 prototype for `handle_sysv_pragma', and make it static. Add
6928 parentheses around assignment used as truth value.
6930 * combine.c (combine_instructions): Protect variable `prev' with
6932 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
6933 (extract_left_shift): Add parentheses around operand of &.
6934 (merge_outer_ops): Avoid an empty body in an else-statement.
6935 (gen_rtx_combine): Remove unused variable `i'.
6937 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
6938 function monstartup `void'. Likewise for internal_mcount. Add
6939 `static void' prototype for moncontrol. Reconcile sprintf format
6942 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
6943 Make return type of function_arg_slotno explicitly `int'.
6944 (reg_unused_after): Add parentheses around assignment used as
6946 (save_regs): Add explicit braces to avoid ambiguous `else'.
6947 (function_arg_slotno): Add parentheses around && within ||.
6948 (function_arg_pass_by_reference): Likewise.
6949 (sparc_flat_output_function_prologue): Reconcile fprintf format
6952 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
6953 assignment used as truth value.
6955 * cplus-dem.c: Include <stdlib.h>.
6956 (demangle_signature): Avoid an empty body in an else-statement.
6957 (do_type): Remove unused variable `lvl'.
6959 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
6960 Include <string.h>/<strings.h>.
6961 (cpp_lex): Remove unused variable `namelen'.
6962 (cpp_lex): Explicitly declare `num_chars' as an int.
6964 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
6965 <unistd.h> instead. Explicitly declare is_system_include
6967 (make_assertion): Remove unused variable `kt'.
6968 (cpp_expand_to_buffer): Hide variable `obuf'.
6969 (output_line_command): Remove unused variables, `line_end',
6970 `line_cmd_buf' and `len'.
6971 (macarg): Remove unused variable `arg_start'.
6972 (special_symbol): Remove unused variable `i'. Add parentheses
6973 around assignment used as truth value.
6974 (do_include): Remove unused variables `pcfname' and `retried',
6975 hide `pcf' and `pcfbuflimit'.
6976 (do_line): Remove unused variable `i'.
6977 (finclude): Hide variable `missing_newline'.
6978 (cpp_handle_options): Remove unused variable `j'.
6979 (read_token_list): Remove unused variable `eofp'.
6980 (cpp_error_with_line): Remove unused variable `i'.
6981 (cpp_warning_with_line): Likewise.
6982 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
6983 (cpp_error_from_errno): Remove unused variable `i'.
6985 * cse.c (invalidate): Add parentheses around assignment used as
6987 (find_best_addr): Move declaration of variable `our_cost' inside
6988 the conditional macro where its used.
6989 (fold_rtx): Avoid an empty body in an if-statement.
6990 (cse_insn): Wrap variables `this_insn_cc0_mode' and
6991 `this_insn_cc0' in macro HAVE_cc0.
6993 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
6994 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
6995 (output_uleb128): Likewise.
6996 (output_sleb128): Likewise.
6997 (output_cfi): Likewise.
6998 (output_call_frame_info): Remove unused variables `j', `fde_size'
7000 (comp_unit_has_inlines): Hide declaration as per rest of file.
7001 (size_of_line_prolog): Correct typo in prototype.
7002 (add_arange): Likewise.
7003 (output_aranges): Likewise.
7004 (add_name_and_src_coords_attributes): Likewise.
7005 (gen_array_type_die): Likewise.
7006 (gen_inlined_subroutine_die): Likewise.
7007 (equate_decl_number_to_die): Remove unused variable `i'.
7008 (print_die): Reconcile format vs. args in fprintf's.
7009 (print_dwarf_line_table): Likewise.
7010 (output_die): Likewise.
7011 (output_line_info): Likewise.
7012 (add_subscript_info): Avoid an empty body in an else-statement.
7013 (gen_subprogram_die): Remove unused variable `fp_loc'.
7015 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
7016 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
7017 macro. Protect `src_coords_attribute' prototype with
7018 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
7019 prototype as in the rest of the file. Likewise for
7020 `output_pointer_type_die' and `output_reference_type_die'. Remove
7021 prototype for `type_of_for_scope'.
7022 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
7023 (type_attribute): Add explicit braces to avoid ambiguous `else'.
7025 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
7026 (shorten_branches): Protect declaration of tmp_length with
7027 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
7028 (profile_function): Protect declaration of `sval' and `cxt'
7029 variables with appropriate macros.
7030 (final_scan_insn): Likewise for `note' variable. Add explicit
7031 braces to avoid empty body in an if-statement.
7032 (output_asm_insn): Move variable `i' inside macro conditional
7033 where it is used. Add parentheses around assignment used as truth
7035 (asm_fprintf) Likewise, likewise.
7037 * fix-header.c (main): Remove unused variable `done'. Protect
7038 declaration of `i' with FIXPROTO_IGNORE_LIST.
7040 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
7042 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
7045 * profile.c: Include <string.h>/<strings.h>.
7046 (instrument_arcs): Remove unused variables `note', `inverted',
7047 `zero' and `neg_one'.
7048 (branch_prob): Avoid empty body in an if-statement.
7050 * regclass.c: Include <stdlib.h>.
7051 (reg_alternate_class): Explicitly declare parameter `regno'.
7053 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
7054 parentheses around assignment used as truth value.
7055 (find_matches): Remove unused variables `output_operand' and
7057 (fixup_match_1): Remove statement with no effect: "if (0) ;".
7059 * scan.c (sstring_append): Explicitly declare `count' as int.
7060 (scan_string): Explicitly declare parameter `init' as int.
7062 * sched.c: Include <stdlib.h>.
7063 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
7064 (rank_for_schedule): Add parentheses around assignment used as
7066 (schedule_block): Likewise.
7067 (regno_use_in): Likewise.
7068 (schedule_insns): Remove unused variable `i'.
7070 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
7071 (v_message_with_decl): Remove unused variable `n'.
7072 (botch): Explicitly declare parameter `s' as char *.
7073 (main): Add parentheses around assignment used as truth value.
7075 * tree.c (make_node): Protect the variable `kind' with the
7076 GATHER_STATISTICS macro.
7077 (real_value_from_int_cst): Move variable `e' inside conditional
7078 macro area where it is used.
7079 (tree_last): Add parentheses around assignment used as truth value.
7080 (build1): Protect the variable `kind' with the GATHER_STATISTICS
7082 (print_obstack_statistics): Reconcile format vs. args in fprintf.
7083 Protect variables `i', `total_nodes', and `total_bytes' with the
7084 GATHER_STATISTICS macro.
7086 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
7088 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
7089 some comments regarding use of dead_or_set_p.
7091 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
7093 * fixincludes: Tweak fix for struct exception in math.h
7095 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
7097 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
7098 Change mode of registers used to add/sub from
7099 hard_frame_pointer_rtx from word_mode to Pmode.
7101 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
7103 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
7104 asm_output_aligned_bss() instead of asm_output_bss().
7106 * toplev.c (rest_of_compilation): Replace references to
7107 stack_reg_dump_file and dbr_sched_dump_file with references to
7110 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
7112 * tlink.c (scan_linker_output): Call fclose() for opened files.
7114 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
7116 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
7117 compiling with -fpic -- we want to be able to override symbols
7119 (alpha_expand_block_move): Fix thinko in last change.
7121 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
7122 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
7123 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
7125 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
7127 * alpha.md (abssf, absdf): Revert last change.
7129 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
7131 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
7132 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
7134 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
7136 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
7137 a CONST_INT into SFmode.
7139 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
7141 * flags.h: New flag (optimize_size).
7142 * toplev.c (main): Parse -Os option and set optimize_space
7144 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
7145 __OPTIMIZE_SIZE__ when compiling with -Os.
7146 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
7147 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
7148 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
7150 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
7152 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
7154 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
7155 stuff only if MCT_TEXT is #define'd.
7157 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
7159 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
7162 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
7164 * toplev.c: Add -dM command line option to dump RTL after the
7165 machine dependent reorganisation pass, if there is one.
7166 Reorganise RTL dump code, so that only one file handle is
7169 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
7171 * except.c (check_exception_handler_labels): Disable warning when
7174 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
7176 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
7178 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7180 * c-decl.c (grokdeclarator): Get parameter tags from
7181 last_function_parm_tags.
7182 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
7183 traversing the parameter types.
7184 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
7186 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
7188 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
7190 (get_shift_alg): Fix typo.
7192 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
7194 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
7196 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
7198 * toplev.c (get_run_time): Make sure each case gets its variables.
7200 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
7202 * configure.in (build_xm_file): Add auto-config.h if host=build.
7203 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
7204 (build_xm_file_list): Likewise.
7205 * configure: Rebuild.
7207 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
7209 * recog.c (validate_replace_rtx_1): Only perform substitutions
7210 of arguments to commutative and comparison operators once.
7212 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7214 * sparc.c (output_cbranch): Add default case in
7217 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
7218 (emit_delay_sequence): Eliminate unused parameter, all callers
7220 (fill_simple_delay_slots): Likewise.
7221 (fill_slots_from_thread): Likewise.
7222 (fill_eager_delay_slots): Likewise.
7223 (mark_referenced_resources): Add default case in enumeration switch.
7224 (mark_set_resources): Likewise.
7225 (rare_destination): Likewise.
7226 (mostly_true_jump): Likewise.
7227 (find_dead_or_set_registers): Likewise.
7228 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
7229 (update_reg_unused_notes): Remove unused variable `p'.
7230 (mark_target_live_regs): Remove unused variables `next' and
7232 (fill_simple_delay_slots): Remove unused variable `j'.
7233 (fill_slots_from_thread): Add parentheses around assignment used
7235 (dbr_schedule): Likewise.
7237 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
7238 (objc.stage2, objc.stage3, objc.stage4): Likewise.
7240 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
7242 * cse.c (simplify_ternary_operation): Don't try to simplify
7243 IF_THEN_ELSE expressions (created by combine) that don't use
7244 relational operators.
7246 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
7248 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
7251 * crtstuff.c (init_dummy): Keep the epilogue in the init
7252 section for non-ELF systems.
7254 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7256 * sh.md (movqi_i+1): New peephole.
7258 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
7260 * Makefile.in: Remove remaining bytecode stuff.
7261 * emit-rtl.c, expr.c: Likewise.
7263 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
7265 * toplev.c (lang_options): Add unknown-pragma options.
7267 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
7269 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
7270 special (and incomplete) handling for Chill arrays.
7272 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
7274 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
7277 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
7279 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
7281 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
7283 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
7284 .frame directive instead of FRAME_POINTER_REGNUM.
7286 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
7288 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
7289 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
7290 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
7291 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
7292 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
7293 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
7294 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
7295 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
7297 * longlong.h: Replace __mc68332__ with __mcpu32__.
7299 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
7301 * version.c: Bump for snapshot.
7303 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
7305 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
7306 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
7307 * reload1.c (eliminate_regs): Likewise.
7309 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
7311 * regmove.c (find_matches): Initialize matches->earlyclobber too.
7313 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
7315 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
7316 (negsf2, negdf2): Use proper subtract in IEEE mode.
7318 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
7320 * Makefile.in: Remove more bytecode stuff.
7321 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
7322 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
7323 * f/install.texi, objc/Make-lang.in: Likewise.
7325 * Makefile.in: Remove all bytecode support.
7326 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
7327 * emit-rtl.c: Remove all bytecode support.
7328 * expr.c, expr.h function.c, integrate.c: Likewise.
7329 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
7330 * tree.h, varasm.c: Likewise.
7331 * config/m68k/m68k.h: Likewise.
7332 * bi-*, bc-*, bytecode*: Delete bytecode related files.
7333 * modemap.def: Likewise.
7335 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
7337 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
7338 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
7340 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
7342 * i386.md (push): Prohibit symbolic constants if flag_pic.
7343 (movsi+1): Likewise for move to non-register.
7345 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
7347 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
7348 (print_operand): Handle 0xffffffff on 32 bit host.
7350 * configure.in (thread_file): Rename uses before main loop to
7351 target_thread_file. Initialize to empty in main loop. Set thread_file
7352 to target_thread_file after main loop if not set.
7353 * configure: Rebuild.
7355 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
7356 (add_values_to_cover): Revert last change (which had no ChangeLog
7358 (simplify_with_current_value_aux): Handle CONST_INT.
7360 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7362 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
7364 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
7366 * configure.in: Add cpp stringify test.
7367 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
7368 * gengenrtl.c: Use it.
7369 * configure, config.in: Rebuild.
7371 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7373 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
7375 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
7377 * configure.in: Find declaration for sbrk.
7378 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
7379 * config.in, configure: Rebuild.
7380 * mips-tfile.c: Properly protect declaration of sbrk and free.
7381 * toplev.c: Properly protect declaration of sbrk.
7383 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
7385 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
7387 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
7389 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
7391 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
7393 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
7395 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
7397 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
7398 constant offset computations from objects with known alignment in
7399 the presence of STACK_BIAS.
7401 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
7403 (const_hash): Hash val is unsigned long.
7404 (SYMHASH): Likewise.
7406 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
7408 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
7409 char pointer, not HOST_WIDE_INT.
7410 (print_node): Likewise. Also hash is unsigned long not
7413 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
7415 * explow.c (optimize_save_area_alloca): New function for targets
7416 where SETJMP_VIA_SAVE_AREA is true.
7417 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
7418 compute the amount of stack space needed should we find later that
7419 setjmp is never called by this function, stuff rtl for this inside
7420 a REG_NOTE of the final SET of stack_pointer_rtx.
7421 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
7422 current_function_calls_alloca, call optimize_save_area_alloca.
7424 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
7426 * i386.md: Remove redundant integer push patterns.
7427 Don't bother checking for TARGET_PUSH_MEMORY when
7428 pushing constants or registers.
7430 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
7431 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
7433 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
7434 (pwait): New function for mingw32.
7436 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
7437 pipe support is broken for now.
7439 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
7441 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
7442 between frame_pointer_rtx, hard_frame_pointer_rtx, and
7443 arg_pointer_rtx is respected in initialization.
7444 (init_emit_once): Use gen_rtx_raw_REG() to create
7445 return_address_pointer_rtx.
7447 * reorg.c: #include "expr.h" for rtx prototypes.
7448 * Makefile.in (reorg.o): Depend on expr.h
7450 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
7452 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
7453 local_prefix to sub-make invocations.
7455 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
7457 * objc-parse.c: Recognize protocol qualifiers in class definitions.
7459 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
7463 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
7464 * configure.in: Check for atol.
7465 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
7467 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
7469 * loop.c (find_and_verify_loops): When attempting to move insns from
7470 inside the loop outside the loop, create a BARRIER if no suitable
7473 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
7474 favor of an equivalent change from gcc-2.8.
7476 * i386/x-sco5 (CC): Remove trailing whitespace.
7478 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7480 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
7481 (accessor_from_format): Likewise.
7482 (xmalloc): New function for use when linking with alloca.o.
7484 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
7486 * frame.c (find_fde): Correct FDE's upper bound.
7488 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
7490 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
7492 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
7494 * calls.c (expand_call): Move #ifdef code out of macro argument
7496 (emit_library_call, emit_library_call_value): Likewise.
7498 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
7500 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
7502 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
7504 * version.c: Bump for snapshot.
7506 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
7508 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
7509 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
7510 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
7511 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
7512 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
7513 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
7514 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
7515 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
7516 * unroll.c, varasm.c: Likewise.
7517 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
7519 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
7521 * mips.h: Fix some type-o's from a previous change.
7523 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
7525 * loop.c (check_dbra_loop): Make sure initial value is a
7526 CONST_INT before trying to normalize it.
7528 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
7530 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
7532 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
7534 * cppexp.c: Include gansidecl.h
7536 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
7538 * svr4.h (LINK_SPEC): Never specify -h.
7539 * ptx4.h (LINK_SPEC): Likewise.
7540 * rs6000/sysv4.h (LINK_SPEC): Likewise.
7541 * sparc/sol2.h (LINK_SPEC): Likewise.
7543 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
7545 * c-typeck.c (comptypes): Exit early on NULL input.
7547 * haifa-sched.c (schedule_insns): Correctly remove inter-block
7548 dependencies after reload.
7550 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
7552 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
7554 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
7556 * alpha/vms.h (DIR_SEPARATOR): define
7558 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
7560 * Makefile.in (stamp-proto): Remove.
7561 (protoize.o, unprotoize.o): Straightforward compile.
7562 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
7564 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
7566 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
7567 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
7569 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
7571 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
7572 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
7573 * sparc/netbsd.h, vax/netbsd.h: Likewise.
7575 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
7577 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
7579 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
7581 * configure.in (target_cpu_default, target_cpu_default2): Use double
7582 quotes around them when testing their value.
7583 * configure: Rebuilt.
7585 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
7587 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
7589 (gendef): Call obstack_alloc_rtx.
7591 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
7593 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
7596 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
7598 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
7599 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
7600 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
7602 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
7604 * mips.md (return_internal): Change mode from SImode to VOIDmode.
7606 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
7608 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
7611 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
7613 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
7614 suffix from operand 3.
7616 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7617 Jeffrey A Law (law@cygnus.com)
7619 * regmove.c: New implementation of regmove pass.
7620 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
7621 decls, make them have external linkage. Return a value from
7622 optimize_reg_copy_1.
7623 * reload.h (count_occurrences): Add decl.
7624 * reload1.c (count_occurrences): Delete decl, make it have external
7626 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
7628 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
7630 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
7631 if it is not defined.
7633 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
7635 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
7636 * emit-rtl.c (gen_rtx): Move special code to ...
7637 (gen_rtx_CONST_INT): New function.
7638 (gen_rtx_REG): New function.
7639 (*): Update all calls to gen_rtx.
7640 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
7641 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
7642 (GEN_INT): Call gen_rtx_CONST_INT.
7643 * gengenrtl.c: New file.
7645 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
7647 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
7648 (base_alias_check): If no base found for address call canon_rtx and
7651 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
7653 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
7654 arguments for mips16.
7655 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
7656 Don't lose if tsize is zero after handling large stack for mips16.
7657 * mips.md (return): For trivial return, return address is in $31.
7659 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
7661 * mips/mips16.S: Various changes to make it work with -msingle-float
7664 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
7665 Ian Lance Taylor <ian@cygnus.com>
7666 Jeff Law <law@cygnus.com>
7668 * mips.c, mips.h, mips.md: First cut at merging in mips16
7669 support. Major modifications throughout all three files.
7671 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
7673 * configure.in: Make gthr-default.h a forwarding header instead of
7676 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7678 * gcov-io.h: Include sys/types.h to ensure we get size_t.
7680 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
7682 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
7683 Jeffrey A Law (law@cygnus.com)
7685 * crtstuff.c (__frame_dummy): New function for irix6.
7686 (__do_global_ctors): Call __frame_dummy for irix6.
7687 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
7689 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
7691 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
7693 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
7695 * c-decl.c (init_decl_processing): Provide proper fallback symbol
7696 for __builtin_memset.
7697 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
7698 not INTEGER_CST. Assert arg 3 is a constant.
7700 * alpha.c (mode_width_operand): Accept 64-bit modes.
7701 (mode_mask_operand): Likewise.
7702 (print_operand): Likewise for 'M' and 'U' codes.
7703 (alpha_expand_unaligned_load): New function.
7704 (alpha_expand_unaligned_store): Likewise.
7705 (alpha_expand_unaligned_load_words): Likewise.
7706 (alpha_expand_unaligned_store_words): Likewise.
7707 (alpha_expand_block_move): Likewise.
7708 (alpha_expand_block_clear): Likewise.
7709 * alpha.h (MOVE_RATIO): New define.
7710 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
7711 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
7713 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
7714 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
7716 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
7718 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
7719 * configure: Update.
7721 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
7723 * emit-rtl.c (operand_subword): Correctly handle extracting a word
7724 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
7726 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
7729 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
7731 * configure.in: Set and subsitute host_exeext. Use it when creating
7732 the assembler and linker symlinks.
7733 * configure: Rebuild.
7734 * Makefile.in (exeext): Set to @host_exeext@.
7735 (build_exeext): New variable, set to @build_exeext@.
7736 (FLAGS_TO_PASS): Pass down build_exeext.
7737 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
7740 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
7742 * mn10200.md (addsi3, subsi3): Fix thinkos.
7744 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
7746 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
7747 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
7748 unix always, since we want to be able to thunk to functions in a
7749 shared library from an application.
7751 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
7753 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
7754 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
7756 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
7758 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
7759 offset's mode is not ptr_mode, convert it.
7761 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
7763 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
7764 compiling if it was already defined.
7766 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
7768 * flow.c (find_basic_blocks): Don't create a new basic block
7769 for calls in a LIBCALL block.
7771 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
7773 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
7775 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
7777 * cse.c (rtx_cost): Remove conflicting default case.
7779 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
7781 * configure.in: Move default enabling of Haifa out of for loop.
7782 * configure: Rebuild.
7784 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
7786 * version.c: Bump for snapshot.
7788 1997-12-25 Teemu Torma <tot@trema.com>
7790 * Makefile.in (GTHREAD_FLAGS): New var.
7791 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
7792 (distclean): Remove gthr-default.h.
7794 * configure.in: Accept dce as a thread package.
7795 Check for thread.h and pthread.h.
7796 Link gthr-default.h to appropriate thread file and set
7798 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
7799 include multilib definitions from pa/t-dce-thr.
7800 (sparc-*-solaris2*): Enable threads by default, if thread.h or
7801 pthread.h is found, preferring posix threads over solaris ones.
7803 * config/pa/t-dce-thr: New file.
7804 * config/pa/t-pa: Removed multilibs.
7805 * config/sparc/t-sol2: Ditto.
7808 * gthr-single.h: New file.
7809 * gthr-posix.h: New file.
7810 * gthr-solaris.h: New file.
7811 * gthr-dce.h: New file.
7812 * libgcc-thr.h: Removed.
7813 * objc/thr-dce.c: New file copied from thr-decosf1.c.
7815 * frame.c: Include gthr.h instead of libgcc-thr.h.
7816 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
7817 (eh_context_initialize): If __gthread_once fails, use static eh
7819 (eh_context_free): Call __gthread_key_dtor.
7821 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
7823 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
7825 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
7827 * cse.c (max_insn_uid): New variable.
7828 (cse_around_loop): Use max_insn_uid.
7829 (cse_main): Set max_insn_uid.
7831 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
7832 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
7833 -mlong64, and -mgp{32,64} options.
7834 * mips.c (mips_abi): Change type to int.
7835 * mips.h (enum mips_abi_type): Delete.
7836 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
7837 (mips_abi): Change type to int.
7839 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
7841 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
7842 optimization is now always enabled.
7844 * calls.c (expand_call): Recognize C++ operator new as malloc-like
7847 * alias.c (memrefs_conflict_p): Eliminate tests now done by
7849 (*_dependence): Call canon_rtx before base_alias_check.
7850 (init_alias_once): New function to precompute set of registers which
7851 can hold Pmode function arguments.
7853 * rtl.h: Declare init_alias_once.
7855 * toplev.c (compile_file): Call init_alias_once.
7857 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
7859 * tree.c (restore_tree_status): Do not dereference a null pointer.
7861 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
7863 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
7864 RLIMIT_STACK. This maintains consistency with the recent, similar
7865 patch to cccp.c and toplev.c.
7867 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
7869 * genattrtab.c (expand_units): For large nr opclasses, expand
7870 function_units_used with ORX to prevent blowups. Tag with FFS.
7871 (num_unit_opclasses): New variable.
7872 (gen_unit): Update it.
7873 (enum operator): Add ORX_OP.
7874 (operate_exp): Treat ORX as or, except don't expand across an if.
7875 Reuse number rtx's after operating on them.
7876 (check_attr_value): Accept IOR, AND, & FFS.
7877 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
7878 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
7879 (write_expr_attr_cache, write_toplevel_expr): New functions.
7880 (write_attr_get): Handle FFS-tagged expressions.
7881 (make_canonical): Don't expand const attributes.
7882 (convert_const_symbol_ref): Dike out.
7883 (evaluate_eq_attr): Handle SYMBOL_REF.
7884 (main): Don't emit get_attr_foo for const attributes.
7886 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
7887 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
7888 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
7889 * alpha.md: Redo all of the scheduling, adding EV6 support, and
7890 combining function units where possible.
7891 (attr "type"): Split loads, stores, cmov into int/fp. Combine
7892 multiplies and divides. Add EV6 sqrt, ftoi, itof.
7893 (attr "opsize"): New attribute.
7894 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
7895 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
7896 to control register allocation.
7897 (movsi2-1, movdi2-1): Likewise.
7899 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
7901 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
7902 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
7903 Move OSF/1 specific defines out.
7904 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
7905 Move Linux specific defines out.
7906 (LINK_SPEC): Genericize.
7907 (ASM_FILE_START): Emit .arch if using more than the base insn set.
7908 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
7909 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
7910 (HANDLE_SYSV_PRAGMA): Define.
7911 * alpha/osf.h: New file.
7912 * alpha/linux.h: Split. Retain file-format independant defines.
7913 Import Linux bits from elf.h.
7914 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
7915 (FUNCTION_PROFILER): _mcount takes its address in $28.
7916 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
7917 * alpha/linux-ecoff.h: New file.
7918 * alpha/linux-elf.h: New file.
7919 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
7920 * alpha/win-nt.h (TARGET_DEFAULT): Define.
7921 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
7922 Add new headers as appropriate.
7924 * configure.in (alpha*): Enable Haifa by default.
7925 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
7926 * configure: Rebuild.
7928 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
7930 * Makefile.in (clean): Remove the stages with their objects here ...
7931 (distclean): ... instead of here.
7933 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7935 * cse.c (rtx_cost): Add default case in enumeration switch.
7936 * fix-header.c (recognized_macro): Likewise.
7937 (recognized_extern): Likewise.
7938 (write_rbrac): Likewise.
7939 * objc/objc-act.c (encode_aggregate): Likewise.
7940 (gen_declarator): Likewise.
7941 (gen_declspecs): Likewise.
7943 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
7945 * haifa-sched.c (create_reg_dead_note): Detect and handle another
7946 case where we kill more regs after sched than were killed before
7948 * sched.c (create_reg_dead_note): Similarly.
7950 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
7952 * c-pragma.c: Include flags.h.
7954 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
7956 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
7957 about system headers.
7958 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
7959 and also to resolve symbols in prefix.c.
7961 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
7962 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
7963 when the definitions in auto-config.h is not visible.
7964 (HAVE_BZERO): Likewise.
7965 (HAVE_BCMP): Likewise.
7966 (HAVE_RINDEX): Likewise.
7967 (HAVE_INDEX): Likewise.
7969 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
7971 * pa.c (emit_move_sequence): Handle a function label source
7974 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
7976 * c-pragma.c (handle_pragma_token): Generate warning messages
7977 about unknown pragmas if warn_unknown_pragmas is set.
7979 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
7980 line option to set variable: warn_unknown_pragmas.
7982 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
7984 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
7986 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
7988 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
7990 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
7991 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
7992 generate more fine grained floating point emulation libraries.
7993 * config/fp-bit.c: Add protecting #ifdef to all functions so
7994 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
7995 then compile all suitable functions.
7996 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
7997 underscores to avoid namespace pollution.
7998 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
8000 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
8004 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8005 Jeff Law <law@cygnus.com>
8007 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
8009 * c-decl.c (finish_decl): Use parentheses around && within ||.
8010 * rtl.c: Include stdlib.h.
8011 (read_skip_spaces): Add parentheses around assignments used as
8013 (read_rtx): Initialize list_rtx.
8014 * cppexp.c (parse_number): Use || when operands are truth values.
8015 * alias.c (find_base_value): Add default case.
8016 (memrefs_conflict): Likewise.
8017 * combine.c (sets_function_arg_p): Likewise.
8018 * genemit.c (gen_exp): Likewise.
8019 * local-alloc.c (contains_replace_regs): Likewise.
8020 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
8021 * fold-const.c (fold_convert): Use "&&" for truth values.
8022 (fold): Add default case.
8023 * sdbout.c (sdbout_field_types): Fix typo in declaration.
8024 (sdbout_one_type): Add default case.
8025 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
8026 (some_operand): Add default case.
8027 (input_operand): Likewise.
8028 (signed_comparison_operator): Likewise.
8029 (divmod_operator): Likewise.
8030 (alpha_set_memflags_1): Likewise.
8031 * reload1.c (reload_cse_simplify_operands): Ensure function
8032 always returns a value.
8033 * scan-decls.c (scan_decls): Likewise.
8034 * c-lex.c (skip_white_space): Fix typo in declaraion.
8035 * c-typeck.c (comp_target_types): Add parentheses around assignment
8036 used as truth value.
8037 (print_spelling): Likewise.
8038 (constructor_implicit, constructor_result): Remove unused variables.
8039 * collect2.c (scan_library): Protect prototype with
8040 #ifdef SCAN_LIBRARIES.
8041 * emit-rtl.c (find_line_note): Fix typo in declaration.
8042 * final.c (asm_insn_count): Protect prototype with
8043 #ifdef HAVE_ATTR_length.
8044 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
8045 (try_pre_increment_1, try_pre_increment): Likewise.
8046 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
8047 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
8048 * gcov-io.h (__store_long, __write_long, __read_long): Fix
8049 unsigned/signed comparisons.
8050 * gcov.c (read_files): Remove unused "first_type" variable.
8051 (scan _for_source_files): Initialize s_ptr.
8052 (function_summary): Eliminate "%lf" formatting, use %ld for
8054 (output_data): Initialize branch_probs and last_line_num.
8055 Eliminate "%lf" formatting, use "%ld" for longs.
8057 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
8059 * mips16.S: New file.
8061 * libgcc2.c (varargs): Handle mips16.
8063 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
8065 * stmt.c (expand_end_case): Likewise.
8066 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
8067 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
8068 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
8070 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8072 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
8073 the build directory.
8074 (libobjc.a): Update dependency list.
8075 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
8077 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
8078 (objc.mostlyclean): Remove runtime-info.h.
8080 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
8082 * tree.c (build_range_type): Allow creation of ranges with no maximum.
8083 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
8084 * dwarf2out.c (add_subscript_info): Likewise.
8085 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
8086 * sdbout.c (plain_type_1): Likewise.
8087 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
8089 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
8092 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8094 * mips.c (fatal): Remove declaration.
8096 1997-12-18 Mark Mitchell <mmitchell@usa.net>
8098 * integrate.c (get_label_from_map): New function.
8099 (expand_inline_function): Use it. Initialize the label_map to
8100 NULL_RTX instead of gen_label_rtx.
8101 (copy_rtx_and_substitute): Use get_label_from_map.
8102 * integrate.h (get_label_from_map): New function.
8103 (set_label_from_map): New macro.
8104 * unroll.c (unroll_loop): Use them.
8105 (copy_loop_body): Ditto.
8107 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
8109 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
8110 (INIT_TARGET_OPTABS): Define.
8111 * mips/ecoff.h: Include gofast.h before mips.h.
8112 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
8113 * mips/elf64.h: Likewise.
8114 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
8116 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
8118 * except.c: Remove register_exception_table{,_p}.
8120 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
8122 * unroll.c (calculate_giv_inc): Handle constant increment found in
8123 a MEM with an appropriate REG_EQUAL note.
8125 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
8127 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
8128 frame pointer in the prologue.
8130 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
8132 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
8133 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
8135 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
8137 * config/m68k/m68k.c (output_function_prologue): Typecast
8138 dwarf2out_cfi_label to (char *).
8139 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
8141 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
8143 * sparc.md (jump): Don't use the annul bit around an empty loop.
8144 Patch from Kevin.Kelly@East.Sun.COM.
8146 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
8148 * jump.c: (jump_optimize): Don't use the return register as a
8149 source1 of a conditional move.
8151 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
8153 * sparc.c (DF_MODES): Or the mask not the bit number.
8154 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
8156 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
8158 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
8160 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
8162 * fixincludes (size_t): Add support for Motorola's stdlib.h
8163 which fails to provide a definition for size_t.
8164 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
8165 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
8166 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
8168 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
8169 prevent unresolved externals in libio.
8170 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
8172 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
8174 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
8175 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
8176 (LIB_SPEC): Updated for glibc 2.
8178 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
8180 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
8181 * ginclude/varargs.h: Likewise.
8183 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
8185 * version.c: Bump for snapshot.
8187 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
8189 * frame.h (__register_frame, __register_frame_table,
8190 __deregister_frame): New.
8191 * frame.c (__register_frame, __register_frame_table,
8192 __deregister_frame): New.
8193 * frame.c (__deregister_frame_info): Return void *.
8194 * frame.h (__deregister_frame_info): Ditto.
8195 * collect2.c (__deregister_frame_info): Ditto.
8197 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
8199 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
8201 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
8203 * alpha.c (alpha_cpu_name): New variable.
8204 (alpha_mlat_string): Likewise.
8205 (alpha_memory_latency): Likewise.
8206 (override_options): Handle -mmemory-latency.
8207 (alpha_adjust_cost): Adjust load cost for latency.
8208 * alpha.h (TARGET_OPTIONS): Add meory-latency.
8209 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
8210 TARGET_CIX into account.
8211 (MEMORY_MOVE_COST): Define in terms of memory_latency.
8212 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
8214 * alpha.h (ASM_COMMENT_START): New macro.
8216 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
8218 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
8219 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
8221 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
8222 SUBREG_REG if the word count is unchanged.
8223 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
8224 subregs of identical word size for push_reload.
8226 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
8228 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
8229 if all we're doing is dealing with -Wreturn-type.
8231 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
8233 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
8234 Use and 255 instead of zapnot 1, since it schedules better.
8236 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
8238 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
8241 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
8243 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
8244 dependency we delete. Properly update prev for multiple consecutive
8246 (priority): Skip deleted dependence.
8248 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
8250 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
8252 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
8254 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
8255 determining when a new basic block starts.
8257 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
8259 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
8260 * pa.md (iorsi3): Add missing args to *_operand calls.
8262 * except.c (call_get_eh_context): Don't mess with sequences.
8263 (emit_eh_context): Include the call in the sequence here.
8265 1997-12-11 Paul Eggert <eggert@twinsun.com>
8267 * collect2.c (write_c_file_glob): Allocate initial frame object
8268 in static storage and pass its address.
8270 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
8272 * except.c (call_get_eh_context): Don't take a parm.
8273 Put the call at the top of the function.
8274 (emit_eh_context): Adjust.
8275 (get_eh_context): Replace with former use_eh_context.
8276 (get_eh_context_once, get_saved_pc_ref): Remove.
8277 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
8279 * integrate.c (expand_inline_function): Adjust.
8280 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
8282 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
8284 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
8285 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
8287 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
8289 * fixincludes (strlen,strspn,strcspn return value): Handle different
8291 (hypot): Provide a fake for hypot which is broken on
8292 m88k-motorola-sysv3.
8294 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
8296 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
8297 tree_code_name from pointers to arrays.
8298 * tree.c: Remove standard_tree_code_* variables, no longer used.
8299 * print-tree.c: Remove declaration of tree_code_name.
8301 * cp/lex.c (init_lex): Update for tree_code_* changes.
8302 * objc/objc-act.c (init_objc): Likewise.
8304 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
8307 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
8309 * config.sub: Add support for BeOS target.
8310 * configure.in: Likewise.
8311 * ginclude/stdarg.h: Likewise.
8312 * ginclude/stddef.h: Likewise.
8313 * ginclude/varargs.h: Likewise.
8314 * rs6000/beos.h: New file for BeOS.
8315 * rs6000/t-beos: Likewise.
8316 * rs6000/x-beos: Likewise.
8317 * rs6000/xm-beos.h: Likewise.
8318 * toplev.c (get_run_time): Just return 0 on BeOS.
8320 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
8321 Toon Moene (toon@moene.indiv.nluug.nl)
8323 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
8324 old and broken Sun3 assemblers. Newer versions handle large
8325 offsets correctly as does the GNU assembler.
8327 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
8329 * objc/objc-act.c (lang_report_error_function): Disable.
8330 * objc/objc-parse.y: Include "output.h".
8331 (yyerror): Remove redundant decl.
8332 (yyprint): Fix prototype.
8333 (apply_args_register_offset): Remove redundant decl.
8334 (get_file_function_name): Likewise.
8336 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
8338 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
8340 (find_basic_blocks_1): Likewise.
8342 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
8344 * except.c (use_eh_context): Don't copy_rtx a REG.
8345 (emit_throw): Lose old unwinder support.
8346 (expand_internal_throw): Likewise.
8347 * libgcc2.c (struct eh_context): Likewise.
8348 (new_eh_context): Likewise.
8349 (__get_eh_info): Lose redundant cast.
8350 (__get_dynamic_handler_chain): Likewise.
8351 (__get_saved_pc): Lose.
8352 Lose all old unwinder support code.
8354 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
8356 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
8358 * integrate.c (expand_inline_function): If the inline fn uses eh
8359 context, make sure that the current fn has one.
8360 * toplev.c (rest_of_compilation): Call emit_eh_context.
8361 * except.c (use_eh_context): New fn.
8362 (get_eh_context_once): New fn.
8363 (call_get_eh_context): New fn.
8364 (emit_eh_context): New fn.
8365 (get_eh_context): Call either get_eh_context_once or
8366 call_get_eh_context, depending on what we have.
8367 (get_dynamic_handler_chain): Call get_eh_context_once.
8368 * except.h: Prototypes for fns above.
8369 * optabs.c (get_eh_context_libfunc): Removed.
8370 (init_optabs): Don't initialize it.
8371 * expr.h (get_eh_context_libfunc): Removed.
8372 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
8373 * config/pa/pa.h (CPP_SPEC): Support for -threads.
8374 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
8375 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
8376 New multilib for -threads.
8377 * config/sparc/t-sol2: Added multilibs for -threads and
8378 made -pthreads alias to it.
8379 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
8380 Added -threads and -pthreads options.
8381 * libgcc-thr.h: New file.
8382 * libgcc2.c: (__get_cpp_eh_context): Removed.
8383 (struct cpp_eh_context): Removed.
8384 (struct eh_context): Replaced cpp_eh_context with generic language
8386 (__get_eh_info): New function.
8387 (__throw): Check eh_context::info.
8389 * libgcc2.c: Include libgcc-thr.h.
8390 (new_eh_context, __get_eh_context,
8391 eh_pthread_initialize, eh_context_initialize, eh_context_static,
8392 eh_context_specific, eh_context_free): New functions.
8393 (get_eh_context, eh_context_key): New variables.
8394 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
8395 get_eh_context to get the context.
8396 (longjmp): Move the declaration inside
8397 #ifdef DONT_USE_BUILTIN_SETJMP.
8398 * frame.c: Include libgcc-thr.h.
8399 (object_mutex): Mutex to protect the object list.
8400 (find_fde, __register_frame, __register_frame_table,
8401 __deregister_frame): Hold the lock while accessing objects.
8402 * except.h (get_eh_context): Declare.
8403 * except.c (current_function_ehc): Define.
8404 (current_function_dhc, current_function_dcc): Removed.
8405 (get_eh_context): New function.
8406 (get_dynamic_handler_chain): Use get_eh_context.
8407 (get_saved_pc_ref): Ditto.
8408 (get_dynamic_cleanup_chain): Removed references to
8409 current_function_dcc.
8410 (save_eh_status, restore_eh_status): Save and restore
8411 current_function_ehc instead.
8412 * optabs.c (get_eh_context_libfunc): New variable.
8413 (init_optabs): Initialize it.
8414 * expr.h: Declare get_eh_context_libfunc.
8415 * function.h (struct function): Replaced dhc and dcc with ehc.
8416 * except.c (get_saved_pc_ref): New functions.
8417 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
8418 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
8420 (end_eh_unwinder): Likewise.
8421 (init_eh): Remove initialization of eh_saved_pc.
8422 * optabs.c (get_saved_pc_libfunc): New variable.
8423 (init_optabs): Initialize it.
8424 * expr.h: Declare get_saved_pc_libfunc.
8425 * except.h (eh_saved_pc_rtx): Deleted.
8426 (get_saved_pc_ref): Declared.
8428 From Scott Snyder <snyder@d0sgif.fnal.gov>:
8429 * libgcc2.c (__get_saved_pc): New.
8430 (__eh_type, __eh_pc): Deleted.
8431 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
8432 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
8435 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
8437 * sparc/sol2.h: Use 64 bit multiply and divide functions in
8438 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
8441 * rtl.h (global_rtl): New variable, replacing separate variables for
8443 (const_int_rtx): Now array of rtx_def, not rtx.
8444 * emit-rtl.c: Update for new rtl data structures.
8445 * genattrtab.c: Define global_rtl.
8447 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
8449 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
8452 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
8454 * crtstuff.c (__do_global_ctors): Fix typo.
8456 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
8458 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
8459 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
8461 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
8463 * rs6000.h (FUNCTION_ARG_PADDING): Define.
8464 * rs6000.c (function_arg_padding): New function.
8466 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
8468 * m68k.c: Include tree.h only once.
8470 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8472 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
8474 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
8476 * Partially cleaned up prototyping code from HJ.
8477 * tree.h: Add many prototypes.
8478 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
8479 All references changed.
8480 * rtl.h: Protect from multiple inclusions. Add many prototypes.
8482 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
8484 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
8485 string functions like strlen.
8487 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
8489 * configure.in: Check for functions getrlimit and setrlimit.
8490 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
8491 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
8493 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
8495 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
8497 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
8499 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
8502 * alpha.c (override_options): Don't know about scheduling for EV6.
8503 * alpha.md (ev5 function units): Don't overload as ev6.
8505 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
8506 * alpha.md (define_attr type): Add mvi.
8507 (ev5_e0): Define sceduling parameters for it.
8508 (TARGET_MAX insns): Type is mvi not shift.
8510 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
8512 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
8514 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8516 * cstamp-h, auto-config.h: Delete.
8518 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
8520 * version.c: Bump for snapshot.
8522 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
8524 * cccp.c: Fix typo brought over in merge.
8526 * Merge in changes from gcc-2.8.
8528 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
8530 * m68k.c: Include tree.h for dwarf2out_cfi_label.
8532 * gcc.c (process_command): Do not take address of function fatal when
8533 calling lang_specific_driver.
8535 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
8537 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
8538 doesn't work with it yet, so set it to 0.
8539 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
8541 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
8543 * cse.c (cse_insn): Check for invalid entries when taking references.
8545 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8547 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
8548 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
8549 * toplev.c (rest_of_compilation): Pass it. Remove code to
8550 save / clear / restore flag_unroll_{,all_}loops.
8552 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
8554 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
8556 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
8558 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
8560 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
8562 * except.c (get_dynamic_handler_chain): Only make the call once per
8565 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
8567 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8569 * sh.c (final_prescan_insn): Use local label prefix
8570 when emitting .uses pseudo-ops.
8572 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
8574 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
8575 * except.c: Lose outer_context_label_stack.
8576 (expand_eh_region_end): Rethrow from outer_context here.
8577 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
8578 (expand_internal_throw): Take no args.
8579 (expand_internal_throw_indirect): Lose.
8580 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
8581 (expand_start_all_catch): Start a rethrow region.
8582 (expand_end_all_catch): End it.
8583 (expand_rethrow): New fn.
8584 * except.h: Reflect above changes.
8585 * flow.c: Revert change of Nov 27.
8587 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
8589 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
8591 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
8593 * except.c (expand_fixup_region_end): New fn.
8594 (expand_fixup_region_start): Likewise.
8595 (expand_eh_region_start_tree): Store cleanup into finalization here.
8596 * stmt.c (expand_cleanups): Use them to protect fixups.
8598 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
8600 * mips/mips.md (muldi3_r4000): Broaden the output template
8601 and attribute assignments to handle three operand dmult;
8602 rename to muldi3_internal2.
8603 (muldi3): Call the new muldi3_internal2 for R4000, and
8604 any GENERATE_MULT3 chip.
8606 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
8608 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
8610 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
8612 * unroll.c (find_splittable_givs): Remove last change. Handle givs
8613 with a dest_reg that was created by loop.
8615 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
8617 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
8619 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
8621 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
8623 * configure.in: Fix NCR entries.
8625 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
8627 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
8628 nested exceptions correctly.
8630 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
8631 that was created by loop.
8633 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
8635 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
8637 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
8639 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
8641 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
8642 (print_operand): Use SMALL_DATA_REG for the register involved in
8643 small data relocations.
8644 (print_operand_address): Ditto.
8646 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
8647 -dynamic linker is not used.
8649 * rs6000.md (call insns): For local calls, use @local suffix under
8650 System V. Don't use @plt under Solaris.
8652 * rs6000.c (output_function_profiler): Put label address in r0, and
8653 store LR in 4(sp) for System V/eabi.
8655 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
8656 byte boundary, and maintain stack backchain.
8658 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
8660 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
8661 fix_truncsfdi2): Change *.
8663 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
8665 * toplev.c (main): Complain about -gdwarfn.
8667 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
8669 * dwarfout.c (output_type): If finalizing, write out nested types
8670 of types we've already written.
8672 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
8674 (patches originally from Geoffrey Keating)
8675 * rs6000.c (function_arg): Excess floating point arguments don't
8676 go into GPR registers after exhausting FP registers under the
8678 (function_arg_partial_nregs): Ditto.
8680 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
8683 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
8685 * integrate.c (output_inline_function): Just unset DECL_INLINE.
8687 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
8689 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
8692 * libgcc2.c (__throw): Initialize HANDLER.
8694 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
8696 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
8697 fix_truncsfdi2): Change *X to ?*X.
8699 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
8701 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
8703 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
8705 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
8707 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
8709 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
8711 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
8713 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
8714 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
8717 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
8719 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
8720 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
8721 gas and not using the new HP assembler.
8723 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
8725 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
8726 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
8728 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
8730 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
8731 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
8734 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
8736 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
8738 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
8740 * except.h: Add outer_context_label_stack.
8741 * except.c: Likewise.
8742 (expand_start_all_catch): Push the outer_context for the try block
8743 onto outer_context_label_stack.
8744 (expand_end_all_catch): Use it and pop it.
8746 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
8748 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
8750 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
8752 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
8754 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
8756 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
8757 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
8759 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
8761 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
8762 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
8763 __builtin_delete, and __builtin_vec_delete.
8765 * except.c (output_exception_table): Don't bother with
8768 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
8770 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
8771 is an in/out operand.
8772 (zero extended variants of stwm/stwm patterns): Similarly.
8774 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
8776 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
8778 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
8780 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
8781 (output_call_frame_info): Emit a \n after using it.
8783 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
8785 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
8787 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
8789 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
8790 (ASM_OUTPUT_DWARF_VALUE4): New macro.
8791 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
8793 (output_call_frame_info): Do not output forward label differences
8794 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
8795 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
8797 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8799 * sh.md (attribute "type"): Add nil.
8800 (movsi_ie): y/y alternative is type nil.
8801 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
8803 (movsf_ie+1): Delete.
8805 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
8807 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
8808 large_int, emit two insns instead of one splitable insn.
8809 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
8810 from cfa_temp_value, use cfa_offset. Add assert checking that
8813 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
8815 * cccp.c (deps_output): Properly quote file names for make.
8817 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
8819 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
8821 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
8823 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
8825 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
8827 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
8829 (cse_end_of_basic_block): Similarly.
8831 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
8833 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
8834 (SELECT_RTX_SECTION): Define.
8835 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
8837 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
8839 * Makefile.in (compare, compare-lean): Define $stage for each
8841 (gnucompare, gnucompare-lean): Likewise.
8843 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
8845 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
8847 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
8848 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
8850 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
8852 * dwarfout.c (byte_size_attribute): Add local var upper_bound
8853 and add case to handle STRING_TYPE.
8854 * dwarfout.c (output_string_type_die): Fix code to generate
8855 correct string length attribute for fixed length strings.
8856 Still needs support for varying length strings.
8858 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
8860 * toplev.c (get_run_time): Do something sensible for cygwin32.
8862 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
8864 * expr.c (expand_builtin_setjmp): Set
8865 current_function_has_nonlocal_label.
8866 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
8867 call-saved registers across calls.
8869 * alpha.md (exception_receiver): Remove.
8870 (nonlocal_goto_receiver_osf): New
8871 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
8872 (nonlocal_goto_receiver): New, select _osf or _vms.
8874 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
8875 keep them from being propogated to the object file.
8876 (alpha_write_linkage): Likewise.
8877 * alpha.md (call_vms): Likewise.
8878 (call_value_vms): Likewise.
8879 (unnamed osf call insns): Likewise.
8881 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
8882 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8884 * alpha.c (call_operand): Any reg is valid for WinNT.
8885 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
8886 (anon nt calls): Add 'R' alternative.
8887 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
8888 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
8890 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
8892 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
8894 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
8895 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
8896 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
8898 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
8900 * reload1.c (new_spill_reg): Improve fixed or forbidden register
8901 spill error message.
8903 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8905 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
8906 use varargs.h. Wrap header with <>, not "".
8908 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
8910 * integrate.c (save_for_inline_copying): Add return value from
8913 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
8915 * fixincludes: Be a little more restrictive on what we will
8916 substitute to replace definitions of MAXINT for HPUX.
8918 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
8920 * dbxout.c (dbxout_symbol_location): Don't assume that variables
8921 whose address is the stack or argument pointers are indirect
8924 1997-11-13 Paul Eggert <eggert@twinsun.com>
8926 * cccp.c, cpplib.c (compare_defs):
8927 Don't complain about arg name respellings unless pedantic.
8928 * cpplib.c (compare_defs): Accept pfile as new arg.
8929 All callers changed.
8931 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8933 * fold-const.c (fold_truthop): Fix bug in last change.
8935 1997-11-13 Paul Eggert <eggert@twinsun.com>
8937 Fix some confusion with IEEE minus zero.
8939 * real.h (REAL_VALUES_IDENTICAL): New macro.
8941 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
8942 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
8944 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
8945 same tree structure as 0.0.
8947 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
8948 macro instead of doing it by hand.
8950 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
8952 * v850/lib1funcs.asm: Minor whitespace changes.
8953 * v850.c: Fix minor formatting problems in many places.
8954 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
8956 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
8958 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
8959 xplus1 when xplus0 is not a register.
8961 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
8963 * flow.c (find_basic_blocks): During marking phase, if we encounter
8964 an insn with a REG_LABEL note, make the target block live and
8965 create an edge from the insn to the target block. Do not make
8966 edges from all blocks to the target block.
8968 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
8970 * confiugre.in: Tweak NCR entries.
8971 * configure: Rebuilt.
8973 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
8975 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
8976 pick apart floating point values, instead of using CONST_DOUBLE_LOW
8977 and CONST_DOUBLE_HIGH.
8979 * rs6000.md (define_splits for DF constants): Use the appropriate
8980 REAL_VALUE_* interface to pick apart DF floating point constants in
8981 a machine independent fashion.
8983 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8985 * fold-const.c (fold_truthop): When changing a one-bit comparison
8986 against zero into a comparison against mask, do a proper sign
8989 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
8991 * except.c: Do not include "assert.h".
8992 (save_eh_status): Turn asserts into conditional aborts.
8993 (restore_eh_status, scan_region): Likewise.
8994 * dwarfout.c: Do not include "assert.h".
8995 (bit_offset_attribute): Turn asserts into conditional aborts.
8996 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
8997 (output_inlined_structure_type_die): Likewise.
8998 (output_inlined_union_type_die): Likewise
8999 (output_tagged_type_instantiation): Likewise.
9000 (dwarfout_file_scope_decl): Likewise.
9001 * dwarf2out.c: Do not include "assert.h"
9002 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
9003 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
9004 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
9005 (add_bit_size_attribute, scope_die_for): Likewise.
9006 (output_pending_types_for_scope): Likewise.
9007 (get_inlined_enumeration_type_die): Likewise.
9008 (get_inlined_structure_type_die): Likewise.
9009 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
9010 (gen_tagged_type_instantiation_die): Likewise.
9012 * flow.c (find_basic_blocks): Refine further to get a more correct
9013 cfg, especially in the presense of exception handling, computed
9014 gotos, and other non-trivial cases. Call abort if an inaccuracy
9015 is detected in the cfg.
9017 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9019 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
9021 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
9022 (skip_white_space): Use whitespace_cr.
9023 (check_newline): Handle whitespace more consistently.
9025 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
9027 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
9028 * i386/xm-cygwin32.h (POSIX): Define.
9030 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
9032 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
9033 is available elsewhere.
9035 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
9037 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
9038 what the instruction can handle.
9040 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
9042 * stmt.c (expand_decl_cleanup_no_eh): New fn.
9044 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
9046 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
9048 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
9049 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
9051 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
9053 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
9054 swap instruction order.
9056 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
9058 * fixinc.svr4 (__STDC__): Add another case.
9060 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9062 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
9063 addresses in the epilogue delay slot.
9065 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
9067 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
9068 in generated `specs' file.
9070 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
9072 * flags.h (flag_rerun_loop_opt): Declare.
9073 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
9074 * toplev.c (flag_rerum_loop_opt): Delete static.
9076 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9078 Bring over from FSF:
9080 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9082 * va-sh.h (__va_arg_sh1): Define.
9084 SH3E doesn't use any integer registers for subsequent arguments
9085 once a non-float value was passed in the stack.
9086 * sh.c (machine_dependent_reorg): If optimizing, put explicit
9087 alignment in front label for ADDR_DIFF_VEC.
9088 * sh.h (PASS_IN_REG_P): Fix SH3E case.
9089 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
9091 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9093 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
9096 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9098 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
9099 put an use_sfunc_addr before each sfunc.
9100 * sh.md (use_sfunc_addr, dummy_jump): New insns.
9101 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
9103 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9105 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
9107 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
9109 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
9112 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
9114 * alias.c (find_base_value): Only return the known base value for
9117 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
9119 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
9120 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
9122 (prologue_get_pc_and_set_got): New pattern.
9124 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
9126 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
9127 for SUBREG, just fall through.
9129 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
9131 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
9133 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
9135 * fixincludes: Fix "hypot" prototype in NeXT math.h.
9137 * Makefile.in (USE_ALLOCA): Always include alloca.o.
9138 (USE_HOST_ALLOCA): Likewise.
9140 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
9141 and LABEL_REFS fields.
9142 * rtl.h (LABEL_REFS): Update.
9144 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
9146 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
9147 sets i2dest. When calling distribute_notes for i3dest_killed, pass
9148 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
9151 * mips.md (insv, extzv, extv): Add change_address call.
9152 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
9154 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
9156 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
9158 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
9159 save_restore_insns if no FP and GP will be restored.
9161 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
9162 Convert CCmode to word_mode before calling GET_MODE_SIZE.
9164 * acconfig.h (HAVE_INTTYPES_H): Undef.
9165 * configure.in (inttypes.h): Check for conflicts between sys/types.h
9166 and inttypes.h, and verify that intmax_t is defined.
9167 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
9168 * config/mips/x-iris3: Likewise.
9170 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
9172 * alias.c (find_base_value): When copying arguments, return the
9173 tenative value for a hard register.
9175 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
9177 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
9178 (yylex): Record wide strings using target endianness, not host.
9180 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
9182 * mn10200.h (ASM_OUTPUT_BSS): Delete.
9183 (ASM_OUTPUT_ALIGNED_BSS): New macro
9184 * mn10300.h (ASM_OUTPUT_BSS): Delete.
9185 (ASM_OUTPUT_ALIGNED_BSS): New macro.
9186 * v850.h (ASM_OUTPUT_BSS): Delete.
9187 (ASM_OUTPUT_ALIGNED_BSS): New macro.
9189 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9191 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
9193 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
9195 * configure.in (sco5): Use cpio to install header files.
9197 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
9199 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
9201 * configure: Rebuild.
9203 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
9205 * i386/sco5.h: enable -gstabs once again.
9207 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
9209 * arm.c (output_move_double): Allocate 3 entries in otherops array.
9211 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
9213 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
9214 notes for sjlj exceptions too.
9215 (expand_eh_region_end): Similarly for EH_REGION_END notes.
9216 (exception_optimize): Optimize EH regions for sjlj exceptions too.
9217 * final.c (final_scan_insn): Don't output labels for EH REGION
9218 notes if doing sjlj exceptions.
9220 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
9222 * alias.c (init_alias_analysis): Handle -fno-alias-check when
9223 optimizing correctly.
9225 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
9226 or set current_function_calls_setjmp anymore.
9228 * flow.c (find_basic_blocks): If we delete the label for an
9229 exception handler, remove it from the EH label list and remove
9230 the EH_BEGIN/EH_END notes for that EH region.
9232 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
9234 * flow.c (find_basic_blocks): Generate correct flow control
9235 information when exception handling notes are present.
9237 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
9239 * dwarf2out.c (output_call_frame_info): Fix length argument
9240 to ASM_OUTPUT_ASCII.
9241 (output_die, output_pubnames, output_line_info): Likewise.
9243 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
9245 * version.c: Bump for snapshot.
9247 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
9248 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
9249 flag_debug_asm is on.
9250 (output_die, output_pubnames, output_line_info): Likewise.
9252 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
9253 and static_chain_rtx into the potential base values array if
9256 * alias.c (new_reg_base_value): New array of potential base values.
9257 (unique_id): Now file scoped static.
9258 (find_base_value, case REG): Return the value in reg_base_value
9259 array for the REG if it exists. Else, return the value from
9260 new_reg_base_value if copying args and REG is a hard register.
9261 (find_base_value, case PLUS): If either operand of the PLUS is
9262 a REG, try to get its base value. Handle base + index and
9264 (record_set): Use new_reg_base_value instead of reg_base_value.
9265 (init_alias_analysis): Allocate space for new_reg_base_value too.
9266 Rework code to iterate over the insns propagating base value
9267 information until nothing changes.
9269 * global.c (global_alloc): Free the conflict matrix after
9270 reload has finished.
9272 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
9274 * libgcc2.c (L_eh): Define __eh_pc.
9275 Replace __eh_type with generic pointer __eh_info.
9277 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
9279 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
9280 use copy_to_reg if address is not a general_operand.
9282 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9284 * profile.c (output_func_start_profiler): Clear flag_inline_functions
9285 for the duration of the call to rest_of_compilation.
9287 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
9289 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
9291 (sparc*-*-*): Recognize --with-cpu=v9.
9292 * sparc/elf.h: New file.
9293 * sparc/t-elf: New file.
9295 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
9297 * mn10300.c (const_8bit_operand): New function.
9298 (mask_ok_for_mem_btst): New funtion.
9299 * mn10300.md (btst patterns with mem operands): Use new functions
9300 to avoid creating btst instructions with invalid operands.
9302 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
9304 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
9305 are running on PowerPC Linux.
9307 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
9309 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
9310 if not previously defined.
9312 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
9314 * function.c (assign_parms): Correct mode of stack_parm if
9315 entry_parm underwent a mode conversion.
9317 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
9319 * global.c (global_alloc): Use xmalloc instead of alloca for
9320 CONFLICTS, since max_allocno * allocno_row_words alone can be more
9321 than 2.5Mb sometimes.
9323 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
9325 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
9326 DEST for the spill, adjust mode of SRC to compensate.
9328 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
9330 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
9331 since any_memory_operand() allows pseudos during reload.
9332 (reload_inhi, reload_outqi, reload_outhi): Likewise.
9334 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
9336 * m68k.md (btst patterns): Add 5200 support.
9338 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
9340 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
9341 optimizations, look inside dividend to determine if the expression
9342 can be simplified by using EXACT_DIV_EXPR.
9344 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
9347 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
9349 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
9351 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
9353 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
9355 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
9358 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
9360 * alpha.md (movqi, movhi): Make sure new insns created during reload
9361 won't need reloading themselves.
9362 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
9364 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
9366 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
9368 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
9370 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
9371 Patch from Klaus Kaempf <kkaempf@progis.de>.
9373 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
9375 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
9376 to an element in a constant string.
9378 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
9380 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
9381 bit PC-relative offset. The exception range table pointer is now in
9383 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
9384 (count_fdes, add_fdes, get_cie): Adjust.
9385 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
9388 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
9390 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
9392 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
9393 like stack_pointer_rtx.
9395 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
9397 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
9398 targets using "$@" to provide support for similar but not identical
9399 targets without having to duplicate code.
9400 (bootstrap4): New goal.
9402 * Makefile.in (compare, compare-lean, compare3): Combined to one
9403 ruleset determining actions to be performed via $@.
9404 (compare4, compare4-lean): New targets.
9405 (gnucompare, gnucompare3): Combined to one ruleset determining
9406 actions to be performed via $@. Also, note which files failed
9407 the comparison test in .bad_compare.
9408 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
9410 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
9412 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
9413 if the dividend is a multiple of the divisor.
9415 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
9417 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
9419 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
9422 * alias.c (true_dependence): Fix typo.
9424 * toplev.c (flag_rerun_loop_opt): New variable.
9425 (f_options): Handle -frerun-loop-opt.
9426 (rest_of_compilation): If -frerun-loop-opt, then run the loop
9428 (main): Enable -frerun-loop-opt by default for -O2 or greater.
9430 * loop.c (simplify_giv_expr): Adding two invariants results
9433 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
9435 * expr.c (get_inner_reference): Remove the array bias after
9436 converting the index to Pmode.
9438 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
9440 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
9441 (TARGET_MULT_BUG): Define.
9442 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
9443 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
9445 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
9447 * mn10200.c (indirect_memory_operand): Delete unused function.
9448 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
9449 * mn10200.md (bset, bclr insns): Handle output in a reg too.
9451 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
9453 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
9454 the callee's ldgp, we must do it ourselves, and we use the jsr tag
9455 for more than scheduling.
9457 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
9459 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
9461 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
9463 * mn10300.c (symbolic_operand, legitimize_address): New functions.
9464 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
9465 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
9467 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
9469 * version.c: Bump for snapshot.
9471 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9473 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
9476 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
9478 * toplev.c (flag_exceptions): Default value is 2.
9479 (compile_file): If flag_exceptions still has the value 2, then
9482 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
9483 (rs6000_save_machine_status): Save pic_offset_table_rtx.
9484 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
9486 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
9489 * rs6000.md (*movsi_got_internal_mem): New pattern.
9490 (*movsi_got_internal_mem splitter): New define_split.
9492 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
9494 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
9496 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
9498 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
9499 only need to save LR.
9501 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
9503 * mn10300.md (movqi, movhi): Avoid using address registers as
9504 destinations unless absolutely necessary.
9506 * mn10200.c (expand_prologue): Fix typo.
9508 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
9510 * mn10200.md (neghi2): Provide an alternative which works if
9511 the input and output register are the same.
9513 * mn10300.c (print_operand): Handle 'S'.
9514 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
9515 shift amount in last alternative
9517 * mn10300.c (expand_epilogue): Rework to handle register restores
9518 in "ret" and "retf" instructions correctly.
9520 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
9522 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
9523 extzv for memory operands.
9525 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
9526 redundant conditional moves to single operand.
9528 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
9530 * v850.h: Move define of __v850__ from CPP_PREDEFINES
9533 * xm-v850.h: Use __v850 rather than __v850__ to
9536 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
9538 * mips/mips.c (compute_frame_size): Not a leaf function if
9541 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
9543 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
9545 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
9547 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
9548 (DEFAULT_ARCH32_P): New macro.
9549 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
9550 (enum cmodel): Declare.
9551 (sparc_cmodel_string,sparc_cmodel): Declare.
9552 (SPARC_DEFAULT_CMODEL): Provide default.
9553 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
9554 (TARGET_FULLANY): Deleted.
9555 (TARGET_CM_MEDMID): New macro.
9556 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
9557 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
9558 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
9559 (CPP_SPEC): Rewrite.
9560 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
9561 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
9562 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
9563 (ASM_SPEC): Add %(asm_arch).
9564 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
9565 Rename asm_default to asm_cpu_default.
9566 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
9567 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
9568 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
9569 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
9570 (MASK_INT64,MASK_LONG64): Delete.
9571 (MASK_ARCH64): Renamed to MASK_64BIT.
9572 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
9573 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
9574 (TARGET_SWITCHES): Always provide 64 bit options.
9575 (ARCH64_SWITCHES): Delete.
9576 (TARGET_OPTIONS): New option -mcmodel=.
9577 (INT_TYPE_SIZE): Always 32.
9578 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
9579 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
9580 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
9581 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
9582 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
9584 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
9585 * sparc/linux.h: Likewise.
9586 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
9587 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
9588 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
9589 (SPARC_DEFAULT_CMODEL): Define.
9590 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
9591 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
9592 (LONG_DOUBLE_TYPE_SIZE): Define.
9593 (ASM_SPEC): Add %(asm_arch).
9594 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
9595 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
9596 (TARGET_CPU_DEFAULT): Add ultrasparc case.
9597 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
9598 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
9599 (SPARC_DEFAULT_CMODEL): Define.
9600 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
9601 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
9602 MASK_LONG64, MASK_MEDANY.
9603 (SPARC_DEFAULT_CMODEL): Define.
9604 (CPP_PREDEFINES): Delete.
9605 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
9606 (ASM_SPEC): Add %(asm_arch).
9607 (LONG_DOUBLE_TYPE_SIZE): Define.
9608 (DWARF2_DEBUGGING_INFO): Define.
9609 * sparc/splet.h (CPP_SPEC): Delete.
9610 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
9611 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
9612 (BLOCK_PROFILER): Likewise.
9613 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
9614 (sparc_override_options): Handle code model selection.
9615 (sparc_init_expanders): Renamed from sparc64_init_expanders.
9616 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
9617 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
9618 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
9619 (sethi_di_fullany): Delete.
9621 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
9622 Jeff Law <law@cygnus.com>
9623 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9625 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
9626 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
9627 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
9628 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
9629 * alpha/alpha.md (arg_home): Likewise.
9631 * alpha/alpha.c (vmskrunch): Delete
9632 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
9633 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
9634 truncate to 64 characters.
9636 * make-l2.com: Support openVMS/Alpha.
9638 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
9640 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
9642 * longlong.h (count_leading_zeros): Add missing casts to USItype.
9644 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
9646 * i386/bsd386.h (ASM_COMMENT_START): Define.
9648 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
9650 * tree.c (restore_tree_status): Also free up temporary storage
9651 when we finish a toplevel function.
9652 (dump_tree_statistics): Print stats for backend obstacks.
9654 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
9656 * expr.c (use_group_regs): Don't call use_reg for MEMs.
9658 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
9660 * libgcc2.c (__throw): Don't copy the return address.
9661 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
9663 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
9664 * toplev.c (main): Initialize exceptions_via_longjmp.
9666 * tree.c: Add extra_inline_obstacks.
9667 (save_tree_status): Use it.
9668 (restore_tree_status): If this is a toplevel inline obstack and we
9669 didn't want to save anything on it, recycle it.
9670 (print_inline_obstack_statistics): New fn.
9671 * function.c (pop_function_context_from): Pass context to
9672 restore_tree_status.
9673 * obstack.h (obstack_empty_p): New macro.
9675 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
9677 * i386/freebsd.h (ASM_COMMENT_START): Fix.
9679 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
9681 * v850.c (ep_memory_offset): New function.
9682 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
9684 * v850.h (CONST_OK_FOR_*): Add and correct comments.
9685 (CONSTANT_ADDRESS_P): Add comment.
9686 (EXTRA_CONSTRAINT): Define 'U'.
9687 * v850.md: Add comments on bit field instructions.
9688 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
9689 (lshrsi3): Use N not J constraint.
9691 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
9693 * v850.c (reg_or_0_operand): Call register_operand.
9694 (reg_or_int5_operand): Likewise.
9695 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
9696 (TARGET_SWITCHES): Add "big-switch".
9697 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
9698 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
9699 (CASE_DROPS_THROUGH): Comment out.
9700 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
9701 * v850.md (cmpsi): Delete compare mode.
9702 (casesi): New pattern.
9704 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
9705 * v850.md (ashlsi3): Use SImode not QImode for shift count.
9706 (lshrsi3): Likewise.
9708 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
9709 unreachable switch statement after 'b' support. Remove "b" from
9710 strings for 'b' support.
9711 * v850.md (branch_normal, branch_invert): Change %b to b%b.
9713 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
9715 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
9716 empty line if @inhibit_libc@ is empty.
9718 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
9720 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
9721 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
9722 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
9723 (DWARF2_UNWIND_INFO): Let this track object file format.
9724 (EXTRA_SECTIONS): Add in_eh.
9725 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
9726 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
9728 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
9730 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
9731 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
9733 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
9734 (output_double_int): Output DI mode values correctly when
9735 HOST_BITS_PER_WIDE_INT is 64.
9736 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
9737 fmovd so it works if a quad float ends up in one of the upper 32
9739 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
9740 necessary for PIC support on sparc64.
9742 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
9744 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
9745 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
9746 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
9747 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
9748 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
9749 (SPARC_FP_ARG_FIRST): New macro.
9750 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
9751 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
9752 (NPARM_REGS): There are 32 fp argument registers now.
9753 (FUNCTION_ARG_REGNO_P): Likewise.
9754 (FIRST_PARM_OFFSET): Update to new v9 abi.
9755 (REG_PARM_STACK_SPACE): Define for arch64.
9756 (enum sparc_arg_class): Delete.
9757 (sparc_arg_count,sparc_n_named_args): Delete.
9758 (struct sparc_args): Redefine and use for arch32 as well as arch64.
9759 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
9760 (FUNCTION_ARG_ADVANCE): Rewrite.
9761 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
9762 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
9763 (FUNCTION_ARG_CALLEE_COPIES): Delete.
9764 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
9765 (STRICT_ARGUMENT_NAMING): Define.
9766 (doublemove_string): Declare.
9767 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
9768 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
9769 (doublemove_string): New function.
9770 (output_move_quad): Clean up some of the arch64 support.
9771 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
9772 Don't add 8 bytes of reserved space if arch64.
9773 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
9774 (init_cumulative_args): New function.
9775 (function_arg_slotno): New static function.
9776 (function_arg,function_arg_partial_nregs): New functions.
9777 (function_arg_{pass_by_reference,advance}): New functions.
9778 (function_arg_padding): New function.
9779 * ginclude/va-sparc.h: Rewrite v9 support.
9781 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
9783 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
9784 for hard regs to determine base and index registers.
9786 * reload.c (debug_reload_to_stream): New function. Specify stream
9787 into which to write debug info.
9788 (debug_reload): Modify to call debug_reload_to_stream with stderr.
9790 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
9792 * combine.c (can_combine_p): Don't combine with an asm whose
9793 output is a hard register.
9795 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
9797 * c-decl.c (start_struct): Ensure that structs with forward
9798 declarations are in fact packed when -fpack-struct is given.
9800 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
9801 we are packing a structure. This allows a structure with only
9802 bytes to be aligned on a byte boundary and have no padding on a
9805 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9807 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
9809 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
9811 * alpha.c (alpha_return_addr_rtx): New variable.
9812 (alpha_save_machine_status): New; save it.
9813 (alpha_restore_machine_status): New; restore it.
9814 (alpha_init_expanders): New; clear it.
9815 (alpha_return_addr): New; set it.
9816 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
9817 is overly conservative, so search the insns explicitly.
9818 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
9819 (alpha_sa_size [VMS && !VMS]): Likewise.
9820 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
9821 (INIT_EXPANDERS): New definition.
9823 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
9824 (output_prolog [!VMS]): Use them.
9826 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
9827 (alpha_does_function_need_gp): ... a new function. Refine the
9828 CALL_INSN test to just TYPE_JSR.
9829 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
9831 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
9833 * version.c: Bump for snapshot.
9835 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9837 * pa.c (move_operand): Respect -mdisable-indexing.
9838 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
9840 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
9842 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
9844 (umulsidi3,umulsi3_highpart): Ditto.
9845 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
9847 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
9849 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
9850 (alpha_handle_trap_shadows): ... a new function. Handle the entire
9851 function in one go. Emit RTL for trapb, instead of printf directly.
9852 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
9853 (trap_pending): Kill global variable.
9854 (output_epilog): Don't call final_prescan_insn.
9855 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
9856 * alpha.h (FINAL_PRESCAN_INSN): Remove.
9857 (MACHINE_DEPENENT_REORG): Define.
9858 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
9861 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
9863 Tune Haifa scheduler for Alpha:
9864 * alpha.h (ISSUE_RATE): Define.
9865 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
9866 EV4 adjustments to EV5.
9867 * alpha.md: Remove all scaling from function unit delays. Rework
9868 EV5 function units to match the CPU.
9869 (umuldi3_highpart): EV5 added the IMULH insn class.
9871 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
9873 * pa.c (following_call): Fail if the CALL_INSN is an indirect
9876 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
9878 * cplus-dem.c (demangle_signature): Don't look for return types on
9879 constructors. Handle member template constructors.
9881 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
9883 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
9884 * tree.h: Declare them.
9886 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
9888 * configure.in: Handle --with-newlib.
9889 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
9891 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
9893 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
9895 * config/ptx4.h: Fix typo.
9897 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
9899 * version.c: Bump for snapshot.
9901 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
9903 * aclocal.m4: Substitute INSTALL.
9904 * configure: Re-built.
9906 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
9908 * integrate.c (save_for_inline_copying): Avoid undefined pointer
9910 (expand_inline_function): Likewise.
9912 * dwarf2out.c (output_call_frame_info): Reinstate last change
9913 using flag_debug_asm check instead of flag_verbose_asm.
9915 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
9917 * dwarf2out.c (output_call_frame_info): Remove last change.
9919 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9921 * frame.c (__frame_state_for): Execute the FDE insns until the
9922 current pc value is strictly bigger than the target pc value.
9924 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
9926 * regclass.c (init_reg_modes): If we can't find a mode for the
9927 register, use the previous one.
9929 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
9931 * haifa-sched.c (print_block_visualization): Call fprintf directly,
9932 don't sprintf through an alloca'ed buffer.
9934 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
9936 * reload.c (decompose): Always initialize val.base.
9938 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
9940 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
9941 instead of aborting.
9942 * dwarf2out.c (output_call_frame_info): Call app_enable and
9943 app_disable to let GNU as accept the generated comments.
9945 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
9947 * tree.h (get_file_function_name): Add declaration.
9948 * dwarf2out.c (output_call_frame_info): No need to cast
9949 get_file_function_name call anymore.
9950 * profile.c (toplevel): Remove get_file_function_name
9952 * c-lang.c (finish_file): Ditto.
9954 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
9956 * Makefile.in (program_transform_name): Let autoconf substitute
9959 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
9961 * haifa-sched.c (schedule_block): If the first real insn in a
9962 block has any special notes attached to it, remove them.
9964 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
9966 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
9968 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
9970 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
9972 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
9974 * Makefile.in (check-g77): New test target.
9975 (CHECK-TARGETS): Add check-g77.
9977 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
9979 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
9981 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
9983 * flow.c (print_rtl_with_bb): Cast alloca return value for
9986 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
9988 * i386.h (RETURN_ADDR_RTX): New definition that works for
9989 __builtin_return_address(0) and -fomit-frame-pointer.
9991 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
9993 Bring over from FSF.
9994 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
9996 * mips.c (function_arg): Handle passing a struct
9997 containing a double in a DFmode register without the PARALLEL.
9999 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
10001 * pexecute.c: Use spawn if __CYGWIN32__.
10003 * pexecute.c: Include "config.h" first, as per autoconf manual
10004 (from Paul Eggert <eggert@twinsun.com>).
10006 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
10008 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
10009 optimisation for f/expr.o and f/stb.o.
10011 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
10013 * cse.c (this_insn_cc0_mode): Initialize.
10015 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
10017 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
10019 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
10021 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
10023 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
10024 that pair will dual-issue on the 21164 and plus+beq won't.
10025 (bne): Likewise for cmpeq+beq.
10027 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
10029 * except.c (find_exception_handler_labels): Correct argument to free.
10031 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
10033 * except.c (find_exception_handler_labels): Free LABELS when we're
10036 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
10038 * version.c: Bump for snapshot.
10040 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
10042 * flow.c (find_basic_blocks): Mark calls as potentially jumping
10045 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
10047 * configure.in: Substitute for "install" too.
10048 * configure: Rebuilt.
10050 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
10052 * Makefile.in (bootstrap-lean, compare-lean): New targets.
10054 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
10056 * alias.c (base_alias_check): Two symbols can conflict if they
10057 are accessed via AND.
10058 (memrefs_conflict_p): Likewise.
10060 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
10061 after flushing argument registers to the stack.
10063 * Makefile.in (mostlyclean): Remove .regmove files.
10065 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
10067 * libgcc2.c (__throw): Fix thinko.
10069 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
10071 * cplus-dem.c (demangle_template): Add new parameter. Handle new
10072 template-function mangling.
10073 (consume_count_with_underscores): New function.
10074 (demangle_signature): Handle new name-mangling scheme.
10076 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
10078 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
10081 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
10083 * frame.c: Remove last change.
10084 * dwarf2.h: Remove last change.
10085 * tree.h: Add declarations of DWARF2 unwind info support
10088 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
10090 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
10091 * tree.h (built_in_function): Likewise.
10092 * expr.c (expand_builtin): Likewise.
10093 * except.h: Likewise.
10094 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
10095 * libgcc2.c (copy_reg): New fn.
10098 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
10100 * c-typeck.c (build_binary_op): Warn about comparing signed vs
10101 unsigned if -W is specified and -Wno-sign-compare is not.
10102 * c-decl.c (warn_sign_compare): Initialize to -1.
10103 (c_decode_option): -Wall no longer implies -Wsign-compare.
10105 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10107 * frame.c: Include gansidecl.h for PROTO.
10108 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
10109 defined. Don't declare dwarf2out_cfi_label here.
10110 * dwarf2.h: Add declarations of DWARF2 unwind info support
10112 * m68k.c: Include dwarf2.h.
10113 (output_function_prologue): Add dwarf2 support.
10114 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
10115 (INCOMING_FRAME_SP_OFFSET): Likewise.
10117 * integrate.c (expand_inline_function): Make sure there is at
10118 least one insn that can be used as an insertion point.
10120 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
10122 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
10124 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
10126 * version.c: Bump for snapshot.
10128 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
10130 Bring over from FSF.
10132 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
10134 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
10135 (get_pc_via_rdpc): Renamed from get_pc_sp64.
10136 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
10138 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
10140 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
10141 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
10142 -malign-functions=.
10143 (sparc_align_{loops,jumps,funcs}_string): Declare.
10144 (sparc_align_{loops,jumps,funcs}): Declare.
10145 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
10146 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
10147 (STACK_BIAS): Define.
10148 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
10150 (SPARC_SETHI_P): New macro.
10151 (CONST_OK_FOR_LETTER_P): Use it.
10152 (ASM_OUTPUT_ALIGN_CODE): Define.
10153 (ASM_OUTPUT_LOOP_ALIGN): Define.
10154 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
10155 (sparc_align_{loops,jumps,funcs}): New globals.
10156 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
10157 -malign-functions=.
10158 (move_operand): Use SPARC_SETHI_P.
10159 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
10161 (arith11_double_operand): Likewise.
10162 (arith10_double_operand): Likewise.
10163 (finalize_pic): Finish sparc64 support.
10164 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
10165 64 bit constants if able.
10166 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
10167 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
10169 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
10170 (get_pc_sp32): Use for sparc64 as well.
10171 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
10172 (sethi_di_sp64_const): Likewise.
10173 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
10174 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
10175 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
10177 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
10179 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
10180 * sparc/linux.h (COMMENT_BEGIN): Likewise.
10181 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
10183 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
10185 Add sparc64 linux support.
10186 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
10187 to xm_file list on 32-bit sparc-linux.
10188 * sparc/xm-sp64.h: New file.
10189 * sparc/linux64.h: New file.
10190 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
10191 Don't include xm-sparc.h.
10192 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
10193 * glimits.h (LONG_MAX): Handle sparc64.
10195 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
10197 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
10198 * sparc.h (ASM_COMMENT_START): Define.
10199 * sparc.c (output_function_prologue): Use it.
10200 (sparc_flat_output_function_{epi,pro}logue): Likewise.
10202 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
10204 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
10205 use sparc.h's copies.
10206 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
10207 ascii form as well.
10209 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10211 * sparc.c (dwarf2out_cfi_label): Add declaration.
10212 (save_regs, output_function_prologue): Remove cast for it.
10213 (sparc_flat_{save_restore,output_function_prologue): Likewise.
10214 ({save,restore}_regs): No longer inline.
10216 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10218 * fold-const.c (make_range): Correctly handle cases of converting
10219 from unsigned to signed type.
10221 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
10223 * fold-const.c (merge_ranges): Make sure that if one range is subset
10224 of another, it will always be the second range. Correct (+,-) case to
10227 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
10229 * final.c (final_end_function): Also do dwarf2 thing if
10230 DWARF2_DEBUGGING_INFO.
10231 (final_start_function): Likewise.
10233 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
10235 * expmed.c (expand_divmod): If compute_mode is not the same as
10236 mode, handle the case where convert_modes() causes op1 to no
10237 longer be a CONST_INT.
10239 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
10240 note holding get_jump_flags() calculation to all JUMP_INSNs.
10241 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
10242 * rtl.c (reg_note_name): Add new note types.
10244 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
10246 * rtlanal.c (computed_jump_p): Fix typo in last change.
10248 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10250 * loop.c (indirect_jump_in_function_p): Return 0
10253 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
10255 * rs6000/xm-rs6000.h: Fix thinko in last change.
10256 * rs6000/xm-sysv4.h: Likewise.
10258 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
10260 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
10262 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
10264 * reg-stack.c (find_blocks): Fix thinko in last change.
10266 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10268 * m68k.c (output_function_prologue): Add dwarf2 support.
10270 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
10271 INCOMING_FRAME_SP_OFFSET): New definitions.
10273 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
10275 * combine.c (try_combine): Use NULL_RTX instead of '0' where
10276 appropriate in calls to gen_rtx().
10277 * cse.c (cse_main): Likewise.
10278 * emit-rtl.c (gen_label_rtx): Likewise.
10279 * expr.c (init_expr_once): Likewise.
10280 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
10281 sched_analyze, init_rgn_data_dependences,
10282 compute_block_backward_dependences): Likewise.
10283 * sched.c (schedule_insns): Likewise.
10284 * varasm.c (immed_double_const): Likewise.
10286 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
10287 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
10289 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
10291 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
10292 (MULTILIB_DEFAULTS): Define.
10293 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
10294 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
10295 (LIBGCC_SPEC): Likewise.
10296 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
10297 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
10298 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
10299 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
10300 (EXTRA_PARTS, TAROUTOPTS): Delete.
10301 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
10302 (MULTILIB_OPTIONS): Define.
10303 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
10304 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
10306 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
10308 * version.c: Bump for snapshot.
10310 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
10312 * loop.c (loop_number): Delete function. Change all references
10313 to use uid_loop_num array.
10314 * loop.h (loop_number): Delete declaration.
10315 * unroll.c (unroll_loop): Change "loop_number" references to
10316 use uid_loop_num instead.
10318 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
10320 (loop_unroll_iter): Remove unused variable and all references.
10321 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
10322 (insert_bct): Fix minor formatting problems.
10323 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
10324 (loop_unroll_iter): Removed unused decl.
10325 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
10326 Always record the unrolling factor.
10328 * cse.c (simplify_relational_operation): Set h0u just like h0s.
10329 Similarly for h1u and h1s.
10331 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
10332 (find_basic_blocks): Use computed_jump_p to determine if a
10333 particular JUMP_INSN is a computed jump.
10334 * reg-stack.c (find_blocks): Use computed_jump_p to determine
10335 if a particular JUMP_INSN is a computed jump.
10336 * rtlanal.c (jmp_uses_reg_or_mem): New function.
10337 (computed_jump_p): Likewise.
10338 * rtl.h (computed_jump_p): Declare.
10339 * genattrtab.c (pc_rtx): Define and initialize.
10340 * loop.c (loop_optimize): Always determine if the current
10341 function has a computed jump.
10342 (indirect_jump_in_function_p): Use computed_jump_p to determine
10343 if a particular JUMP_INSN is a computed jump.
10345 * loop.c (fix_bct_param): Delete unused function.
10346 (check_bct_param): Likewise.
10348 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
10350 * frame.c (__deregister_frame): Check properly for initialized object.
10352 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10354 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
10356 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10358 * jump.c (thread_jumps): check can_reverse_comparison_p before
10359 threading a reversed-condition jump.
10361 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
10362 * haifa-sched.c (update_flow_info): Likewise.
10364 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
10366 * Makefile.in (BOOT_CFLAGS): Use -O2.
10368 * configure.in (strtoul, bsearch): Have autoconf check for these
10370 * configure, config.in: Rebuilt.
10372 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
10373 * mips/mips.h (alloca): Likewise.
10374 * rs6000/xm-rs6000.h (alloca): Likewise.
10375 * rs6000/xm-sysv4.h: Likewise.
10377 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
10379 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
10380 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
10381 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
10383 * except.c (end_eh_unwinder): Subtract 1 from return address.
10384 * libgcc2.c (__throw): Likewise.
10385 (find_exception_handler): Don't change PC here. Compare end with >.
10387 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
10389 * v850.c (compute_register_save_size): Correct register
10391 * v850.md (save_interrupt, return_interrupt): Correct
10393 * v850/lib1funcs.asm (save_interrupt): Correct register number.
10394 (return_interrupt): Use stack pointer, not element pointer.
10396 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
10398 * configure.in, configure: Make sure to create the stage* and include
10399 symbolic links in each subdirectory.
10401 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
10403 * pa.md (reload_peepholes): Don't allow addresses with side
10404 effects for the memory operand.
10406 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
10408 * libgcc2.c (find_exception_handler): Subtract one from our PC when
10409 looking for a handler, to avoid hitting the beginning of the next
10412 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
10414 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
10416 * mips/abi64.h (LONG_MAX_SPEC): Define.
10417 * mips.h (LONG_MAX_SPEC): Define.
10418 (CPP_SPEC): Include long_max_spec.
10419 (EXTRA_SPECS): Include long_max_spec.
10421 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
10423 * v850.c (construct_save_jarl): Fix thinko in last change.
10425 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
10427 * version.c: Bump for snapshot.
10429 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
10431 * libgcc2.c (find_exception_handler): Not found is -1.
10433 * integrate.c (expand_inline_function): Move expand_start_bindings
10434 after expanding the arguments.
10436 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
10438 * expr.c (expand_expr): Remove previous incorrect change.
10439 If target and slot has no DECL_RTL, then call mark_addressable
10440 again for the slot after we give it RTL.
10442 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
10444 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
10445 again for the slot after we give it RTL.
10447 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
10449 * v850.c (register_is_ok_for_epilogue,
10450 pattern_is_ok_for_epilogue, construct_restore_jr,
10451 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
10453 * v850.h (pattern_is_ok_for_prologue,
10454 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
10457 * v850.md: Replace prologue and epilogue patterns with a
10458 match_parallel pattern.
10460 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
10462 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
10463 * configure.in: Use EGCS_PROG_INSTALL.
10465 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
10467 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
10468 extern inline function.
10470 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
10472 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
10473 (concat_loc_descriptor): New function.
10474 (loc_descriptor): Call it.
10475 (add_AT_location_description): Also elide the descriptor if both
10476 halves of a CONCAT are pseudos.
10477 (add_location_or_const_value_attribute): Recognize CONCAT too.
10479 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
10481 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
10483 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
10484 out-or-range reg_offset.
10485 (output_epilog): Likewise.
10487 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
10489 * cse.c (simplify_relational_operation): If MODE specifies a
10490 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
10491 is derived from the sign bit of the low word.
10493 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
10495 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
10497 * dwarf2.h: Add DW_CFA_GNU_args_size.
10498 * frame.c (execute_cfa_insn): Likewise.
10499 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
10500 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
10501 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
10502 insn, hand it off to dwarf2out_stack_adjust.
10503 (dwarf2out_begin_prologue): Initialize args_size.
10504 * frame.h (struct frame_state): Add args_size.
10505 * libgcc2.c (__throw): Use args_size.
10506 * final.c (final_scan_insn): If we push args, hand off all insns
10507 to dwarf2out_frame_debug.
10508 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
10510 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
10511 Handle epilogue restore of SP from FP.
10512 * emit-rtl.c (gen_sequence): Still generate a sequence if the
10513 lone insn has RTX_FRAME_RELATED_P set.
10515 * frame.c (extract_cie_info): Handle "e" augmentation.
10516 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
10517 absence of UNALIGNED_*_ASM_OP.
10518 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
10519 (output_call_frame_info): Use "e" instead of "z" for augmentation.
10520 Don't emit augmentation fields length.
10521 (dwarf2out_do_frame): Move outside of #ifdefs.
10522 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
10525 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
10526 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
10527 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
10528 * sparc/sun4gas.h: New file.
10529 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
10531 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
10532 __register_frame_table and __deregister_frame.
10534 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
10536 * except.c (find_exception_handler_labels): Use xmalloc instead of
10537 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
10540 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
10542 * Makefile.in: Various changes to build info files
10543 in the object tree rather than the source tree.
10545 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
10547 * fixinc.math: New file to fix math.h on some systems.
10548 * configure.in (freebsd, netbsd): Use fixinc.math on these
10550 * configure: Rebuilt.
10552 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
10554 * regmove.c (regmove_optimize): If we end up moving the
10555 original insn due to lifetime overlaps, make sure to move
10558 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
10560 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
10562 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
10564 * haifa-sched.c (add_branch_dependences): Make each insn in
10565 a SCHED_GROUP_P block explicitly depend on the previous insn.
10567 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
10569 * except.h: Prototype dwarf2 hooks.
10572 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
10574 * configure.in (native_prefix): Delete.
10575 (mips-dec-netbsd): Don't set prefix.
10576 (*linux*): Don't set prefix.
10578 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
10580 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
10581 defined. If not defined, include <sys/varargs.h> if
10582 HAVE_SYS_VARARGS_H is defined.
10583 * configure.in: Test for varargs.h and sys/varargs.h.
10584 * configure: Regenerate with autoconf.
10585 * config.in: Regenerate with autoheader.
10587 * cpplib.c (quote_string): Cast first arg of sprintf call
10588 from "unsigned char *" to "char *".
10589 (output_line_command): Ditto.
10590 (macroexpand): Ditto.
10591 (do_line): Cast atoi arg from "unsigned char *" to "char *".
10593 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
10595 * version.c: Bump for snapshot.
10597 * Makefile.in (compare): Exit with nonzero status if there
10598 are comparison failures. Note which files failed the
10599 comparison test in .bad_compare.
10601 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10603 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
10605 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
10607 * Makefile.in (LN, LN_S): New macros, use where appropriate.
10608 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
10609 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
10610 * configure: Regenerated.
10612 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
10614 * loop.c (strength_reduce): Fix typo.
10616 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
10618 * m88k/m88k.c (struct option): Rename to struct options.
10619 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
10620 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
10621 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
10622 __DOLPHIN__ or sysV88.
10624 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
10626 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
10629 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
10631 * config.sub: Accept 'amigados' for backward compatability.
10633 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
10635 * Makefile.in (testsuite/site.exp): New target.
10636 (check-gcc, check-g++): Depend on testsuite/site.exp.
10637 Don't stop for failure.
10639 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
10641 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
10642 if DWARF2_UNWIND_INFO.
10644 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
10646 Add support for exception handling using DWARF 2 frame unwind info.
10647 Currently works on SPARC and MIPS, and almost on x86.
10649 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
10650 next_stack_level, in_reg_window): Helper fns.
10651 (__throw): Implement for DWARF2_UNWIND_INFO.
10653 * expr.c (expand_builtin): Handle builtins used by __throw.
10654 * tree.h (enum built_in_function): Add builtins used by __throw.
10655 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
10656 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
10657 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
10658 (expand_builtin_extract_return_addr): Likewise.
10659 (expand_builtin_frob_return_addr): Likewise.
10660 (expand_builtin_set_return_addr_reg): Likewise.
10661 (expand_builtin_eh_stub): Likewise.
10662 (expand_builtin_set_eh_regs): Likewise.
10663 (eh_regs): Choose two call-clobbered registers for passing back values.
10665 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
10666 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
10667 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
10668 (stmp-multilib): Likewise.
10669 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
10671 * except.c: #include "defaults.h".
10672 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
10673 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
10674 (register_exception_table_p): New fn.
10675 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
10676 (end_eh_unwinder): Likewise.
10678 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
10679 call __register_frame and __deregister_frame as needed.
10680 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
10681 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
10682 EH_FRAME_SECTION_ASM_OP.
10683 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
10684 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
10685 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
10687 * dwarf2out.c (output_call_frame_info): If no support for
10688 EXCEPTION_SECTION, mark the start of the frame info with a
10690 * collect2.c (frame_tables): New list.
10691 (is_ctor_dtor): Recognise frame entries.
10692 (scan_prog_file): Likewise.
10693 (main): Pass -fno-exceptions to sub-compile. Also do collection
10694 if there are any frame entries.
10695 (write_c_file_stat): Call __register_frame_table and
10696 __deregister_frame as needed.
10697 (write_c_file_glob): Likewise.
10699 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
10700 Also require unaligned reloc support.
10701 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
10702 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
10703 * sparc/sysv4.h: Not here.
10705 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
10706 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
10707 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
10709 * libgcc2.c (L_eh): Reorganize, moving code shared by different
10710 EH implementations to the top.
10711 (find_exception_handler): Split out. Start from 0. Compare against
10713 (__find_first_exception_table_match): Use it.
10714 * except.c (output_exception_table): Don't do anything if there's
10715 no table. Don't output a first entry of zeroes.
10716 (eh_outer_context): Adjust properly.
10717 (add_eh_table_entry): Use xrealloc.
10718 * toplev.c (compile_file): Just call output_exception_table.
10720 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
10722 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
10724 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
10726 * except.c (eh_outer_context): Do masking using expand_and.
10728 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
10730 Add port done awhile ago for the ARC cpu.
10731 * arc/arc.h: New file.
10732 * arc/arc.c: New file.
10733 * arc/arc.md: New file.
10734 * arc/initfini.c: New file.
10735 * arc/lib1funcs.asm: New file.
10736 * arc/t-arc: New file.
10737 * arc/xm-arc.h: New file.
10738 * ginclude/va-arc.h: New file.
10739 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
10740 * ginclude/varargs.h: Likewise.
10741 * Makefile.in (USER_H): Add va-arc.h.
10742 * configure.in (arc-*-elf*): Recognize.
10743 * longlong.h: Add ARC support.
10745 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
10747 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
10748 when clearing non-BLKmode data.
10750 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
10752 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
10753 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
10755 * xm-m88k.h (USG): Only define if it hasn't already been defined.
10757 * Makefile.in (risky-stage1): Delete gratutious whitespace.
10759 * Makefile.in (clean): Delete libgcc1-test.
10761 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
10763 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
10765 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
10768 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10770 * dwarf2out.c (output_call_frame_info): Call named_section.
10772 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
10774 * haifa-sched.c (print_value): Fix last change.
10776 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
10778 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
10781 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
10783 * mips.c (function_prologue): Set up the CFA when ABI_32.
10785 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
10786 for dwarf2 unwind info.
10787 (output_function_prologue, sparc_flat_output_function_prologue): Same.
10789 * final.c (final_end_function): Check dwarf2out_do_frame instead
10790 of DWARF2_DEBUG for dwarf2 unwind info.
10791 (final_scan_insn): Likewise.
10792 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
10795 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
10798 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
10800 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
10802 * v850.h (ASM_SPEC): Pass on target processor.
10803 (CPP_PREDEFINES): Only define if not already specified.
10804 (TARGET_VERSION): Only define if not already specified.
10805 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
10807 (EXTRA_SWITCHES): Extra entries in the switches array.
10808 (TARGET_DEFAULT): Set default target processor.
10810 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
10812 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
10813 cases, add %# and %/, and add : to make them into extended asms.
10815 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
10817 * alias.c (init_alias_analysis): Clean up incompatible pointer
10818 type warning in bzero.
10819 * regmove.c (regmove_optimize): Ditto.
10820 * haifa-sched.c (find_rgns): Ditto.
10822 * haifa-sched.c (print_value): Clean up ptr->int cast
10825 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
10827 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
10828 * install.texi (Configurations): Ditto.
10829 * config.sub: Ditto.
10831 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
10833 * Makefile.in (sdbout.o): Depend on insn-config.h.
10835 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
10837 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
10838 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
10840 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
10842 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
10843 prologue insn, only the first elt is significant.
10844 (output_call_frame_info): For exception handling, always use 4-byte
10845 fields as specified by the dwarf2 spec.
10846 Don't skip trivial FDEs.
10848 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
10850 * version.c: Bump for snapshot.
10852 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
10854 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
10855 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
10858 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
10860 * final.c (shorten_branches): During first pass, assume worst
10861 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
10863 * Makefile.in (distclean): Remove various things left around
10864 by running the testsuite.
10866 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
10868 * configure.in (out_file): Emit definition to config.status in order
10869 to have a defined value for configure.lang.
10870 * configure: Re-built.
10872 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
10874 * configure.in: Make symlink to as-new rather than as.new. Similarly
10876 * configure: Rebuilt.
10878 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
10880 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
10882 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
10884 * sparc/sparc.md: Add ultrasparc scheduling support.
10885 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
10887 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
10889 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
10890 as initial value for real_label_map.
10891 (copy_for_inline): Likewise.
10893 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10895 * sched.c (update_flow_info) When looking if to set found_split_dest
10896 or found_orig_dest, look at all parts of a PARALLEL.
10897 * haifa-sched.c (update_flow_info): Likewise.
10899 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
10901 * v850: New directory for v850 port.
10902 * v850/lib1funcs.asm: New file.
10903 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
10904 * ginclude/va-v850.h: New file.
10905 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
10906 * configure.in (mn10200-*-*): New target.
10907 * configure: Rebuilt.
10908 * config.sub: Handle v850-elf.
10909 * Makefile.in (USER_H): Add va-mn10200.h.
10910 * invoke.texi: Document v850 stuff.
10912 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
10914 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
10915 has integer TYPE_{MAX,MIN}_VALUE before using them.
10917 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
10918 __HPUX_ASM__ versions.
10920 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
10922 * install.sh: Delete duplicate install script.
10924 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
10926 * reg-stack.c (subst_stack_regs): Pop the stack register for a
10927 computed goto which sets the same stack register.
10929 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
10930 destination are both on the regstack.
10931 (subst_stack_regs_pat): Put the destination at the top of the regstack.
10933 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
10935 * mips.md (nonlocal_goto_receiver): Define.
10937 * profile.c (output_arc_profiler): Check next_insert_after for non
10938 NULL before deferencing it.
10940 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
10942 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
10944 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
10946 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
10948 * toplev.c (rest_of_compilation): For passes starting with
10949 flow_analysis, use print_rtl_with_bb instead of print_rtl.
10951 * print-rtl.c (print_rtl_single): Print a single rtl value to a
10954 * flow.c (print_rtl_with_bb): Print which insns start and end
10955 basic blocks. For the start of a basic block, also print the live
10958 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
10960 * toplev.c (main): Change #elif to #else/#ifdef
10962 * tlink.c: Include ctype.h.
10963 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
10965 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
10967 * bitmap.c: Conditionally include stdlib.h.
10968 (free): Provide a declaration if NEED_DECLARATION_FREE.
10970 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
10972 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
10974 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
10976 * profile.c (output_arc_profiler): Verify next_insert_after is an
10977 INSN before and after skipping a stack pop.
10979 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
10981 * final.c (shorten_branches): Don't count the lengths of deleted
10984 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
10986 * version.c: Bump for snapshot.
10988 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
10990 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
10991 two bitmaps ANDed together.
10992 (bitmap_print): Declare.
10994 * bitmap.c (function_obstack): Don't declare any more.
10995 (bitmap_obstack): Obstack for allocating links from.
10996 (bitmap_obstack_init): New static to say whether to initialize
10998 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
10999 (bitmap_release_memory): Free all memory allocated from
11002 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
11003 EXECUTE_IF_AND_IN_BITMAP.
11005 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
11007 * alias.c (true_dependence): Address with AND can alias scalars.
11008 (anti_dependence, output_dependence): Likewise.
11010 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
11012 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
11014 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
11015 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
11016 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
11017 definitions. Use -qrtems instead of -mrtems.
11019 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
11021 * xm-sco5.h (sys_siglist): Define.
11022 (SYS_SIGLIST_DECLARED): Likewise.
11024 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
11026 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
11028 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
11030 * except.c (eh_outer_context): Expand masking operation using
11033 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
11035 * alpha.md (floatdisf2-1): New pattern.
11037 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
11039 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
11040 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
11041 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
11042 * gcc.texi: Note that if you define sys_siglist that you should
11043 also define SYS_SIGLIST_DECLARED.
11045 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
11046 are relative to the next instruction, not the current instruction.
11048 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
11050 * local-alloc.c (contains_replace_regs): New function.
11051 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
11052 verify that there is no existing REG_EQUIV note, and add a call to
11053 contains_place_regs.
11055 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
11057 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
11058 (STARTFILE_SPEC): Always use crtbegin.o%s
11059 (ENDFILE_SPEC): Always use crtend.o%s.
11061 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
11063 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
11065 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
11066 SFmode for 64 bit hosts.
11068 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
11070 * fixincludes: Permits spaces between # and define. Discard C++
11071 comments in sys/pci.h on HP/UX 10.20.
11073 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
11075 * version.c: Bump for snapshot.
11077 * pa.c (restore_unscaled_index_insn_codes): New function.
11078 (record_unscaled_index_insn_codes): Likewise.
11079 (output_function_prologue): Call restore_unscaled_index_insn_codes.
11080 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
11081 (pa_reorg): Call record_unscaled_index_insn_codes.
11083 * haifa-sched.c (move_insn): Handle notes correctly for insns
11084 with SCHED_GROUP_P set.
11086 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
11088 * alpha/xm-linux.h (USE_BFD): Undef before define.
11090 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
11092 * cse.c (cse_insn): Don't record BLKmode values.
11094 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
11096 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
11098 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
11100 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
11101 * collect2.c (sys_errlist): Likewise.
11102 * cpplib.c (sys_errlist): Likewise.
11103 * gcc.c (sys_errlist): Likewise.
11104 * protoize (sys_errlist): Likewise.
11105 * configure.in: Check for strerror.
11106 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
11107 * xm-gnu.h (HAVE_STRERROR): Likewise.
11108 * xm-linux.h (HAVE_STRERROR): Likewise.
11109 * xm-netbsd.h (HAVE_STRERROR): Likewise.
11110 * xm-bsd386.h (HAVE_STRERROR): Likewise.
11111 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
11112 * xm-dos.h (HAVE_STRERROR): Likewise.
11113 * xm-mingw32.h (HAVE_STRERROR): Likewise.
11114 * xm-pa.h (HAVE_STRERROR): Likewise.
11115 * xm-papro.h (HAVE_STRERROR): Likewise.
11116 * xm-sysv4.h (HAVE_STRERROR): Likewise.
11117 * configure, config.in: Rebuilt.
11119 * Makefile.in: Add several missing "else true" clauses.
11121 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
11122 * mips-tfile.c: Likewise.
11123 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
11124 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
11125 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
11126 * configure.in: Check for sys_siglist declaration.
11127 * configure, config.in: Rebuilt.
11129 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
11131 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
11132 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
11133 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
11134 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
11135 * rs6000/sysv4.h (extra_subtarget_switches): Added new
11136 macro EXTRA_SUBTARGET_SWITCHES.
11137 * configure.in (sh*-*-rtems*): New target.
11138 * sh/rtems.h: New file.
11139 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
11140 * configure: Rebuilt.
11142 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
11144 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
11146 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
11148 * rs6000.md: Make DF fused-add operations pay attention to
11151 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
11153 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
11155 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
11157 * pa.md (reload_peepholes): Make sure operand is a REG before
11158 examining REGNO. Allow general registers too.
11160 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
11162 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
11164 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
11166 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
11167 to reallocate abbrev_die_table.
11169 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
11171 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
11173 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11175 * Makefile.in (config.status): Depend on version.c
11177 * expr.h (insn_gen_function): Reenable prototype.
11179 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
11182 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
11184 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
11186 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
11188 * version.c: Bump for latest snapshot.
11190 * bc-optab.c: Conditionally include stdlib.h.
11191 (free): Provide a declaration if NEED_DECLARATION_FREE.
11192 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
11193 * rtl.h (free): Remove declaration.
11194 * tree.h (free): Remvoe declaration.
11196 * configure: Rebuilt.
11198 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
11200 * flags.h (flag_move_all_movables): Declare.
11201 (flag_reduce_all_givs): Likewise.
11202 * loop.c (move_movables): Handle flag_move_all_movables.
11203 (strength_reduce): Handle flag_reduce_all_givs.
11204 * toplev.c (flag_move_all_movables): Define.
11205 (flag_reduce_all_givs): Likewise.
11206 (f_options): Add -fmove-all-movables and -freduce-all-givs.
11207 * invoke.texi: Document new options, including alias stuff that
11208 wasn't included last time.
11210 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
11212 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
11213 * t-mn10200: Ditto.
11214 * t-vxsparc: Ditto.
11215 * t-vxworks68: Ditto.
11216 * t-vxworks960: Ditto.
11219 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
11221 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
11222 if not already defined, and USE_C_ALLOCA not defined.
11224 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
11226 * config.guess: Replace with script that uses ../config.guess.
11228 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
11229 if USE_GNULIBC_1 is not defined.
11231 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
11233 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
11234 * config.guess: Recognize alpha-linux-gnulibc1.
11235 * configure.in (alpha-*-linux-gnulibc1): New target.
11236 (alpha-*-linux-gnu*): Don't build crtbegin/end.
11238 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
11240 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
11243 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
11245 * loop.c (combine_movables): Earlier insns don't match later ones.
11247 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
11249 * config/linux.h (CC1_SPEC): Define it only if not defined.
11251 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
11254 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
11255 USE_GNULIBC_1 is not defined.
11257 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
11259 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
11260 as 1 if USE_GNULIBC_1 is not defined.
11262 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
11264 * reorg.c (dbr_schedule): Allow current_function_return_rtx
11265 to be something other than a REG.
11266 * function.c (expand_function_end): Fix current_function_return_rtx
11267 if it was a pseudo.
11269 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
11270 * x-netbsd: Likewise
11271 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
11272 (INSTALL_HEADERS): Delete.
11273 * x-dguxbcs: Likewise.
11274 * x-hp3bsd44: Likewise
11277 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
11279 * i386.md (pop): pop increments the stack pointer.
11280 (prologue_set_stack_ptr): New pattern.
11281 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
11284 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
11286 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
11287 address where an offsettable address is required.
11289 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
11291 * loop.c (check_final_value): Don't miss a biv increment in a
11294 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
11296 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
11297 TYPE_DECL_IS_STUB instead of DECL_NAME.
11299 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
11301 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
11303 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
11305 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
11307 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
11309 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
11310 (find_post_sched_live): Likewise.
11312 * haifa-sched.c (schedule_block): Remove old code to get arguments
11313 from hard regs into pseudos early.
11315 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
11317 * version.c: Bump for new snapshot.
11319 * local-alloc.c (update_equiv_regs): All the target to reject
11320 promotion of some REG_EQUAL to REG_EQUIV notes.
11321 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
11323 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
11326 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
11327 store of the argument registers.
11329 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
11331 * fold-const.c (multiple_of_p): New function.
11332 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
11334 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
11336 * expr.h (insn_gen_function): Temporarily remove prototype.
11338 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
11340 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
11341 filenames. Use sed to extract base filename for install.
11343 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
11345 * unroll.c (find_splittable_givs): Only share if two givs have the
11346 same add and multiply values.
11348 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
11350 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
11351 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
11353 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
11355 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
11356 around branch tables.
11357 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
11358 and .end_brtab directives if TARGET_GAS.
11360 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
11362 * alias.c (true_dependence): Pass x_addr not x to varies.
11364 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
11365 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
11366 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
11368 * config.in, configure: Regenerate.
11370 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
11372 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
11374 (record_set): Handle LO_SUM like PLUS.
11375 (init_alias_analysis): When following chains of base addresses,
11376 do not stop on reaching a hard register.
11378 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
11380 * version.c: Bump for new snapshot.
11382 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
11384 * alpha.h (ARCH_ASM_FILE_START): Define.
11385 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
11386 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
11388 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
11390 * Makefile.in (install-common): Put gcov comment at start of line.
11392 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
11394 * alias.c (init_alias_analysis): When simplifying the reg_base_value
11395 array, simplify entries for hard registers too.
11397 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
11399 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
11402 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
11404 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
11405 block_stack before dereferencing it.
11407 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
11409 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
11411 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
11413 * cplus-dem.c: Add 'extern' to prepends_underscore.
11415 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
11417 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
11418 (get_issue_rate): Delete.
11419 * pa.h (ISSUE_RATE): Define.
11421 * configure.in: Turn on haifa by default for the PA.
11422 * configure: Rebuilt.
11423 * pa.c (override_options): Accept -mschedule=7200 option.
11424 (pa_adjust_cost): No longer need to scale costs for newer
11426 * pa.h (enum processor_type): Add PROCESSOR_7200.
11427 * pa.md: Revamp scheduling parameters to work better with
11428 haifa. Add scheduling parameters for the 7200.
11430 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
11432 (schedule_block): When adjusting basic_block_{head,end}, account
11433 for movement of SCHED_GROUP_P insns too.
11435 * haifa-sched.c (debug_dependencies): Fix thinko.
11437 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
11438 (site.exp, check, check-g++, check-gcc): New targets.
11440 * haifa-sched.c: Make lots of variables static.
11442 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
11444 * expr.h, real.h: Finish prototyping.
11446 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
11448 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
11449 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
11450 * reload1.c: Undo bugfix from Aug 11.
11452 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
11454 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
11455 quotes around the name.
11456 * configure: Regenerate.
11458 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
11460 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
11462 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
11464 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
11465 to sub-makes to avoid building more passes than the user might have
11466 requested on the command line.
11468 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
11470 * configure.in: Expurgate `broken_install' (install is
11473 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
11476 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
11478 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
11479 functions and declarations.
11480 (analyze_loop_iterations): Use condjump_p.
11481 (insert_bct): Likewise. Use exact_log2.
11483 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
11485 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
11486 (schedule_region): Likewise.
11487 (schedule_insns): Likewise.
11489 * PROJECTS: Update with Haifa stuff.
11491 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
11493 * version.c: Change the version string to look like:
11494 egcs-2.90.00 970814 (gcc2-970802 experimental).
11496 * loop.c (is_conditional_branch): Make definition match declaration.
11498 * gcc.c: Take out experimental snapshot warning message.
11500 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
11502 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
11503 print out the names of the notes. Print out the name of the insn
11504 that is not a note, and not an {,CALL_,JUMP_}INSN.
11506 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
11508 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
11509 again for the slot after we give it RTL.
11511 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
11513 * configure.in (haifa configury): Fix typo.
11514 * configure: Regenerate.
11516 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
11518 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
11520 * gcc.info*: Rebuilt.
11522 * COPYING.g77, README.g77: New files.
11523 * real.c (ereal_unto_float, ereal_unto_double): New functions.
11524 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
11525 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
11527 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
11529 * Integrate Haifa instruction scheduler.
11530 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
11531 to sched with $(SCHED_CFLAGS.
11532 * configure.in: Handle --enable-haifa.
11533 * configure: Rebuilt.
11534 * flags.h: Add new flags for haifa instruction scheduler.
11535 * genattrtab.c (expand_units): For haifa, don't subtract one
11536 when computing blockage.
11537 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
11538 (flag_schedule_speculative): Ditto.
11539 (flag_schedule_speculative_load): Ditto.
11540 (flag_schedule_speculative_load_dangerous): Ditto.
11541 (flag_schedule_reverse_before_reload): Ditto.
11542 (flag_schedule_reverse_after_reload): Ditto.
11543 (flag_branch_on_count_reg): Ditto.
11544 (f_options): Add Haifa switches.
11545 (main): Turn off some Haifa options if appropriate macro is
11546 defined. Process Haifa switches.
11547 * unroll.c (iteration_info): No longer static, since Haifa
11549 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
11550 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
11551 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
11552 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
11553 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
11554 storage for the Haifa scheduler.
11555 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
11557 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
11558 are defined, call analyze_loop_iterations and insert_bct to use
11560 (record_giv): Refine test for jumps out of loops if HAIFA is
11562 (analyze_loop_iterations): New function to identify if we can use
11564 (insert_bct): Insert countdown loop.
11565 (instrument_loop_bct): Low level code to insert countdown loop.
11566 (loop_number): Calculate UID of loop.
11567 (indirect_jump_in_function_p): Return true if an indirect jump is
11569 (is_power_of_2): Return true if value is a power of 2.
11570 (is_conditional_branch): Return true if insn is a conditional
11572 (fix_bct_param): Process -fbct-{min,max}-N switches.
11573 (check_bct_param): Return true if loop should be instrumented.
11574 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
11575 (loop_optimize): Initialize.
11576 (get_condition_for_loop): Ditto.
11577 * loop.c (strength_reduce): Inside of code that uses #ifdef
11578 HAVE_decrement_and_branch_on_count code, test it to make sure the
11580 (instrument_loop_bct): Ditto.
11581 * haifa-sched.c: New file.
11584 * Integrate regmove pass.
11585 * Makefile.in (OBJS): Add regmove.o
11586 (regmove.o): Add dependencies.
11587 * flow.c (find_use_as_address): No longer static.
11588 * rtl.h (find_use_as_address): Declare.
11589 * toplev.c (regmove_dump, flag_regmove): Define.
11590 (f_options): Add -fregmove.
11591 (regmove_dump_file, regmove_time): Define.
11592 (fatal_insn): Close the regmove dump file.
11593 (compile_file): Initialize regmove_time; open/close the regmove dump
11594 file as needed. Print regmove time as needed.
11595 (rest_of_compilation): Run regmove pass if requested, dump
11596 RTL after regmove if requested.
11597 (main): If -O2 or more, turn on regmove. Handle dump switches.
11598 * regmove.c: New file.
11600 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
11602 * Integrate tlink patch from jason@cygnus.com
11603 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
11604 (process_command): Increment n_switches for them. Don't discard
11605 their args. Validate them.
11606 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
11608 (process_command): Set include_prefixes from COMPILER_PATH.
11609 (main): Set COLLECT_GCC_OPTIONS sooner.
11610 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
11611 * tlink.c, hash.c, hash.h: New files.
11612 * Makefile.in (USE_COLLECT2): Always use collect2.
11613 (collect2): Depend on and link in hash.o and tlink.o.
11614 (tlink.o, hash.o): Add dependencies.
11616 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
11618 * Integrate alias analysis changes from jfc@mit.edu
11619 * Makefile.in (OBJS): Add alias.o
11620 (alias.o): Add dependencies.
11621 * alias.c: New file.
11622 * sched.c: Remove alias analysis code. It lives in alias.c now.
11623 (sched_analyze_2): Add new arguments to true_dependence.
11624 (schedule_insns): Always call init_alias_analysis.
11625 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
11626 mark return value from such functions as a pointer and keep track of
11627 them for alias analysis. If a return value from a function is a
11628 pointer, mark it as such.
11629 * combine.c (distribute_notes): Handle REG_NOALIAS.
11630 * cse.c (struct write_data): Delete. No longer needed.
11631 (invalidate): Don't call set_nonvarying_address_components anymore.
11632 Use true_dependence to decide if an entry should be removed from
11634 (invalidate_memory): Remove WRITES argument, simplify appropriately.
11636 (note_mem_written): Similarly for WRITE_PTR argument.
11637 (invalidate_from_clobbers): Similarly for W argument.
11638 (invalidate_for_call): Remove memory elements from the hash table.
11639 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
11640 (cse_rtx_varies_p): New function. Derived from old
11641 cse_rtx_addr_varies_p.
11642 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
11643 Don't call note_mem_written anymore. Stack pushes invalidate the stack
11644 pointer if PUSH_ROUNDING is defined. No longer need to call
11645 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
11646 (skipped_writes_memory): Remove variable.
11647 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
11648 (invalidate_skipped_block): Simplify for new alias analysis code.
11649 (cse_set_around_loop): Likewise.
11650 (cse_main): Call init_alias_analysis.
11651 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
11652 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
11653 (f_options): Add new alias checking arguments.
11654 (main): Set flag_alias_check when optimizing.
11655 * local_alloc (validate_equiv_mem_from_store): Add new arguments
11656 to true_dependence.
11657 (memref_referenced_p): Likewise.
11658 * loop.c (NUM_STORES): Increase to 30.
11659 (prescan_loop): Only non-constant calls set unknown_address_altered.
11660 (invariant_p): Add new arguments to true_dependence.
11661 (record_giv): Initialize unrolled and shared fields.
11662 (emit_iv_add_mult): Call record_base_value as needed.
11663 * loop.h (struct induction): Add unrolled and shared fields.
11664 * unroll.c (unroll_loop): Call record_base_value as needed.
11665 (copy_loop_body): Likewise.
11666 (final_biv_value): Likewise.
11667 (final_giv_value): Likewise.
11668 (find_splittable_regs): Likewise. Only create one new pseudo
11669 if we have multiple address GIVs that were combined with the same
11670 dst_reg GIV. Note when a new register is created due to unrolling.
11671 * rtl.c (reg_note_name): Add REG_NOALIAS.
11672 * rtl.h (enum reg_note): Similarly.
11673 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
11674 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
11675 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
11676 (true_dependence, read_dependence, anti_dependence): Likewise.
11677 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
11678 (mark_user_reg, mark_reg_pointer): Likewise.
11681 * Integrate reload bugfix from Wilon which enables the PA port
11682 to bootstrap again.
11683 * reload1.c (reload): Sum needs for both OPADDR_ADDR and
11684 OPERAND_ADDRESS when computing how many registers an insn needs.
11685 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
11687 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
11688 OPADDR_ADDR reload.
11689 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
11690 in reload_reg_use_in_op_addr do not reach the end.
11691 do not reach the end.
11692 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
11693 RELOAD_FOR_OPERAND_ADDRESS.
11695 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
11697 * egcs project officially starts.
11700 add-log-time-format: current-time-string