1 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
3 * version.c: Bump for snapshot.
5 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
7 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
8 if condition code of jump conflicts with opposite_needed.
10 * reorg.c (fill_slots_from_thread): Mark resources referenced in
11 opposite_needed thread. Return delay_list even when cannot get
12 any more delay insns from end of subroutine.
14 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
16 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
19 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
21 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
22 end_fde_sort): New functions for fast sorting of an FDE array.
23 (fde_insert): Simplified.
24 (add_fdes): Change argument list.
25 (frame_init): Use the new functions.
27 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
29 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
31 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
33 * fold-const.c (fold_range_test): Always return a value.
35 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
37 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
38 data in the text section unless READONLY_DATA_SECTION is defined.
40 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
42 * c-parse.in (undeclared variable error): Tweak error message to
45 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
47 * version.c: Bump for snapshot.
49 1998-02-28 Mark Mitchell <mmitchell@usa.net>
51 * final.c (final_scan_insn): Undo overzealous removal of `set'.
53 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
55 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
56 case, add parentheses to specify the proper order of precedence in
60 * c-aux-info.c: Include string.h/strings.h.
62 * pa.c: Include stdlib.h.
63 (pa_combine_instructions): Prototype the function.
64 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
65 (reloc_needed): Add default case for enumeration switch.
66 (remove_useless_addtr_insns): Remove unused variable `all'.
67 (hppa_expand_prologue): Add explicit braces to avoid
69 (output_function_epilogue): Remove unused variable `i'.
70 (output_millicode_call): Remove unused variable `link'.
71 (shadd_constant_p, forward_branch_p): Make the function static.
72 (following_call): Explicitly declare to return int.
73 (pa_reorg): Declare as void.
74 (pa_combine_instructions): Declare as static void. Add
75 parentheses around && within ||.
77 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
78 following_call, function_label_operand, lhs_lshift_cint_operand
81 * pa.md: Add parentheses around && within ||.
83 * cppalloc.c: Include stdlib.h.
85 * cpperror.c (cpp_print_containing_files): Remove unused variable
86 `i'. Fix format specifier in fprintf.
88 * cse.c (cse_around_loop): Add explicit braces to avoid
90 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
92 * expr.c (expand_expr): Add parentheses around && within ||.
94 * final.c (app_enable): Replace fprintf with fputs where there are
95 no format specifiers and no trailing argument after the string.
96 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
97 (app_disable): Likewise.
98 (final_end_function): Likewise.
99 (final_scan_insn): Likewise. Remove unused variable `set'.
100 (profile_function): Wrap empty if-statement body in {} brackets.
102 * function.c: Include stdlib.h.
103 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
104 (reposition_prologue_and_epilogue_notes): Add parentheses
105 around assignment used as truth value.
107 * integrate.c (expand_inline_function): Wrap variable
108 `cc0_insn' in macro HAVE_cc0.
110 * jump.c (jump_optimize): Wrap variable `q' in macro
111 HAVE_cc0. Remove unused variable `prev1'.
113 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
114 within ||. Fix format specifier in fprintf.
115 (__bb_init_prg): Add parentheses around assignment used as
118 * local-alloc.c: Include stdlib.h.
119 (requires_inout): Add parentheses around assignment used
122 * loop.c (analyze_loop_iterations): Wrap prototype and definition
123 in macro HAVE_decrement_and_branch_on_count.
124 (insert_bct, instrument_loop_bct): Likewise.
125 (move_movables): Add parentheses around assignment used as
127 (consec_sets_invariant_p): Likewise.
128 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
130 * objc/objc-act.c: Include stdlib.h.
131 (lookup_method_in_protocol_list): Wrap empty else-statement body
133 (lookup_protocol_in_reflist): Likewise.
134 (objc_add_static_instance): Remove unused variables `decl_expr'
136 (get_objc_string_decl): Remove unused variable `decl'.
137 (generate_static_references): Remove unused variables `idecl' and
139 (check_protocols): Wrap empty else-statement body in braces.
141 * protoize.c: Include stdlib.h.
142 (substr): Add parentheses around assignment used as truth value.
144 (shortpath): Likewise.
146 * regmove.c (fixup_match_1): Add parentheses around assignment
149 * reload.c (push_secondary_reload): Remove unused variable `i'.
150 (find_reloads): Add parentheses around assignment used as truth
153 * reload1.c: Include stdlib.h.
155 * rtl.h: Correct typo in prototype of offsettable_memref_p.
157 * stmt.c (add_case_node): Add parentheses around assignment used
159 (case_tree2list): Likewise.
161 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
162 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
163 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
164 (merge_attributes): Add explicit braces to avoid ambiguous
167 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
170 * varasm.c: Include stdlib.h.
173 * system.h: Remove sys/stat.h.
174 * gcc.c: Add sys/stat.h.
176 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
177 * genattrtab.c: Likewise.
178 * genconfig.c: Likewise.
179 * genemit.c: Likewise.
180 * genextract.c: Likewise.
181 * genflags.c: Likewise.
182 * genopinit.c: Likewise.
183 * genoutput.c: Likewise.
184 * genpeep.c: Likewise.
185 * genrecog.c: Likewise.
186 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
188 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
190 * invoke.texi: Use @itemx for a secondary item in a @table.
192 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
195 1998-02-26 Ken Raeburn <raeburn@cygnus.com>
197 * regclass.c (init_reg_sets): Move init of move cost tables...
198 (init_reg_sets_1): ...to here.
200 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
202 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
204 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
206 * i386.c (struct machine_function): Add new fields for PIC stuff.
207 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
209 (restore_386_machine_status): Corresponding changes.
210 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
212 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
214 * c-parse.y (undeclared variable error): Tweak error message
217 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
219 * flags.h (g_switch_value, g_switch_set): Declare.
220 * alpha.c (override_options): Set g_switch_value=8 if not set.
221 * alpha/elf.h (CC1_SPEC): New.
223 (LINK_SPEC): Pass along the -G value we were given.
224 (LOCAL_ASM_OP): Remove.
225 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
226 (MAX_OFILE_ALIGNMENT): New.
227 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
228 (EXTRA_SECTIONS): Add sbss and sdata.
229 (SECTION_FUNCTION_TEMPLATE): New.
230 (EXTRA_SECTION_FUNCTIONS): Use it.
231 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
232 (SELECT_SECTION): Use sdata when small enough.
233 * alpha/linux.h (ASM_SPEC): Remove.
236 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
237 * config.sub (sco5): Fix typo.
239 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
241 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
243 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
244 * config/alpha/t-linux: Remove file.
245 * config/sparc/t-linux: Remove file.
246 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
247 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
248 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
250 (alpha*-*-linux-gnu*): Likewise.
251 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
252 (sparc-*-linux-gnu*): Likewise.
254 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
255 * collect2.c (ldd_file_name): Bracket declaration with same
257 (full_real_ld_suffix): Deleted. Variable was calloced and
258 written into, but never read.
260 1998-02-23 Mike Stump <mrs@wrs.com>
262 * configure.in: Add support for i386-wrs-vxworks configuration.
263 * i386/vxi386.h: New file.
265 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
267 * tree.c (contains_placeholder_p): Ensure function always returns
269 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
270 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
272 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
274 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
276 1998-02-22 Paul Eggert <eggert@twinsun.com>
278 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
279 Define this new symbol.
280 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
281 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
282 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
284 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
286 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
287 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
289 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
291 * objc/Object.m (-error): Call objc_verror with our va_list.
293 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
295 * collect2.c (scan_prog_file): Completely cover uses of variable
296 `exports' with macro COLLECT_EXPORT_LIST.
298 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
300 * version.c: Bump for snapshot.
302 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
304 * sched.c (schedule_block): Remove code to get arguments from hard
305 regs into pseudos early. Same as Aug 25, 1997 change to
308 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
310 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
312 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
314 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
315 continuation character (line 243).
317 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
319 * genrecog.c (main): Remove duplicated sentence in emitted comment.
321 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
322 David Edelsohn <edelsohn@mhpcc.edu>
324 * collect2.c (XCOFF_SCAN_LIBS): Remove.
325 (export_flag): New variable.
326 (export_file): #ifdef COLLECT_EXPORT_LIST.
327 (import_file, exports, imports, undefined): New variables.
328 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
329 (dump_list, dump_prefix_list, is_in_list): New functions.
330 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
331 (write_import_file, resolve_lib_name): New functions.
332 (use_import_list, ignore_library): Same.
333 (collect_exit): maybe_unlink import_file and #ifdef.
335 (main): New variable importf, #ifdef exportf. Move parsing of
336 -shared before general argument parsing. Resolve AIX library
337 paths and import libgcc.a symbols. Treat .so shared libraries the
338 same as objects and .a libraries. Create alias for object_lst and
339 increment it instead of original pointer. Scan AIX libraries as
340 objects earlier instead of using scan_libraries. Perform AIX
341 tlink later to resolve templates instead of forking ld.
342 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
343 (GCC_UNDEF_SYMBOL): New macro.
344 (scan_prog_file): Loop for members of AIX libraries. Handle
345 export/import of ctors/dtors.
346 (aix_std_libs): New variable.
347 (scan_libraries, XCOFF): Delete.
349 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
351 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
353 1998-02-19 Mike Stump <mrs@wrs.com>
355 * Makefile.in: Use $tooldir for sys-include to match toplevel
358 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
359 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
361 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
363 * emit-rtl.c (hard-reg-set.h): Include.
364 (get_lowpart_common): Don't make new REG for hard reg in a
365 class that cannot change size.
366 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
368 * combine.c: Revert previous patch.
370 1998-02-19 Paul Eggert <eggert@twinsun.com>
372 * config/sparc/sol2-sld.h: New file.
373 * configure.in (sparc-*-solaris2*): Use it when using the
376 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
378 * loop.c (force_movables): Fix typo.
380 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
382 * m88k.h: Change file pattern to match reality.
384 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
386 * varasm.c (output_constant_pool): Fix dumb thinko in last
389 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
390 a function name to a section name.
392 1998-02-18 Doug Evans <devans@cygnus.com>
394 * tree.h (merge_machine_{type,decl}_attributes): Declare.
395 (split_specs_attrs, strip_attrs): Add prototypes.
396 * tree.c (merge_machine_{type,decl}_attributes): New functions.
397 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
398 Update olddecl's attributes too.
399 * c-common.c (strip_attrs): New function.
400 * c-typeck.c (common_type): Call merge_machine_type_attributes.
401 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
402 (make_decl_rtl): Likewise.
404 1998-02-18 Jim Wilson <wilson@cygnus.com>
406 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
408 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
410 Remove this change until we can fix it correctly.
411 * collect2.c: Bracket declaration of 'exportf' and
412 'full_real_ld_suffix'.
414 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
416 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
418 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
420 * c-common.c (c_expand_start_cond, c_expand_end_cond,
421 c_expand_start_else): Don't warn about non-ambiguous else even if
424 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
426 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
427 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
430 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
432 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
433 simplifying a subreg of a hard reg.
434 (expand_compound_operation): Likewise.
435 (force_to_mode): Likewise.
437 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
439 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
440 (lshift_double): Add parentheses around + or - inside shift.
441 (rshift_double): Likewise.
442 (size_int_wide): Explicitly set type of `bit_p' to `int'.
444 * Makefile.in (fold-const.o): Depend on system.h.
446 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
449 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
450 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
451 (sched_note_set): Remove unused parameter `b', all callers changed.
452 (schedule_block): Likewise for `rgn'.
453 (split_hard_reg_notes): Likewise for `orig_insn'.
454 (check_live): Likewise for `trg'.
455 (update_live): Likewise.
456 (check_live_1): Explcitly declare variable `i' as int.
457 (update_live_1): Likewise.
458 (insn_issue_delay): Remove unused variable `link'.
459 (sched_analyze_2): Add default case in enumeration switch.
460 (schedule_insns): Remove unused variable `i'.
462 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
464 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
466 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
467 a dangling else clause.
469 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
471 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
472 pointer for the stack pointer in MIPS16 and 64BIT.
474 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
476 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
477 * emit-rtl.c (force_line_numbers, restore_line_number_status):
479 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
480 (expand_start_case): Adjust to this change.
481 (check_seenlabel): New function.
482 (pushcase, pushcase_range, expand_endcase): Use it.
484 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
486 * i386.md (adddi3): Add =!r,0,0,X alternative.
488 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
490 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
491 * x-aix31 (INSTALL): Delete.
493 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
495 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
496 tsize changes to something other than zero.
498 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
500 * ginclude/va-mips.h: Replace casts of pointers to int with
501 casts of pointers to __PTRDIFF_TYPE__.
503 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
505 * loop.c (strength_reduce, record_biv, record_giv): Use
506 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
508 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
510 * tree.c (first_rtl_op): New fn.
511 (unsave_expr_now): Use it.
512 * print-tree.c (print_node): Likewise.
513 * tree.c (has_cleanups): New fn.
514 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
515 conservative about pushing the cleanup point down.
516 * tree.h: Declare them.
518 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
520 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
521 (flag_schedule_reverse_after_reload): Likewise.
522 (f_options): Remove reverse scheduling support.
523 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
524 (flag_schedule_reverse_after_reload): Likewise.
525 * haifa-sched.c (rank_for_schedule): Remove support for reverse
528 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
530 * gcc.c: Get system includes, prototypes and macros via "system.h"
531 instead of doing it manually. Change all calls of the ctype
532 macros to custom versions defined in "system.h".
534 * system.h: Fix return type of bcmp prototype from `void' to `int'.
535 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
536 Add a prototype for getenv.
538 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
540 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
542 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
544 * alias.c: Include <stdlib.h> and <string.h>.
545 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
547 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
549 * version.c: Bump for snapshot.
551 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
553 * arm.md (movsfcc): Also validate operands[3] when compiling hard
555 (movdfcc): Only accept fpu_add_operand for operands[3].
557 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
558 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
560 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
562 * varasm.c (output_constant_pool): Bring back 'done' label inside
563 an appropriate #ifdef.
565 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
567 (bitmap_copy, bitmap_operation): Likewise.
568 * combine.c (combinable_i3pat): Similarly for 'src'.
569 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
570 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
571 * regclass.c (copy_cost): Similarly for 'secondary_class'.
572 * reload.c (make_memloc): Simliarly for 'i'.
573 (find_reloads_address_1): Similarly for 'link'.
574 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
575 (emit_reload_insns): Similarly for 'second_reloadreg'.
576 * unroll.c (iteration_info): Similarly for 'v'.
578 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
579 * calls.c (expand_call): Similarly for 'i'.
580 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
581 * fold-const.c (strip_compund_expr): Similarly for 'type'.
582 * function.c (fixup_var_refs_1): Similarly for 'width'.
583 (fixup_memory_subreg): Similarly for 'saved'.
584 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
585 (setjmp_protect): Similarly for 'sub'.
586 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
587 * loop.c (record_giv): Similarly for 'p'.
588 (combine_givs): Similarly for 'temp_iv'.
589 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
590 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
591 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
592 * unroll.c (unroll_loop): Similarly for 'copy'.
593 (iteration_info): Similarly for 'b'.
594 * varasm.c (assemble_string): Similarly for 'i'.
595 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
597 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
599 * dwarf2out.c (decl_scope_node): New type.
600 (decl_scope_table): Change type to use it.
601 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
602 (push_decl_scope): Use new type. New locals containing_scope, i.
603 Add code to handle setting previous field.
604 (scope_die_for): Change type of local i to int. Add code to use
606 (dwarf2out_init): Use new type.
608 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
610 * except.c (emit_throw): Lose throw_used.
612 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
614 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
616 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
618 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
620 * genextract.c (main): Fix typo.
622 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
624 * c-lang.c (finish_file): Bracket declaration of static_ctors,
627 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
628 'old_stack_arg_under_construction'
629 (emit_library_call): Bracket declaration of 'upper_bound',
630 'lower_bound', 'i', 'reg_parm_stack_space'
631 (emit_library_call_value): Likewise.
634 * collect2.c: include <unistd.h> when appropriate.
635 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
637 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
639 * explow.c (plus_constant_for_output_wide): Remove unused variable
641 (memory_address): Remove unused variable 'orig_x'.
643 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
644 (write_const_num_delay_slots): Remove unused variable 'i'.
646 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
647 (gen_insn): Remove unused variable 'obstack_ptr'.
649 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
651 (__bb_exit_trace_func): Remove unused variable 'e'.
653 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
655 (expand_unop): Remove unused variable 'funexp'.
656 (expand_complex_abs): Remove unused variable 'funexp'.
657 (init_optabs): Bracket declaration of 'j'.
658 (init_complex_libfuncs): Deleted. Dead static function.
660 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
662 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
663 (reg_to_stack): 'initialized', 'before_function_beg'
664 explictly type as ints instead of defaulting.
665 (emit_swap_insn): Remove unused variable 'i2'.
666 (compare_for_stack_reg): Remove unused variable 'src_note'.
668 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
670 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
672 * stmt.c (add_case_node): Add parens for assignment used as truth.
673 (all_cases_count): Remove unused variable 'count_high'.
674 (mark_seen_cases): Remove unused variable 'i'.
675 (check_for_full_enumeration_handling): Remove unused variable 't'.
676 Bracket declaration of 'all_values', 'l'.
678 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
680 * varasm.c (assemble_string): Remove unused variable 'i'.
681 (immed_double_const): Remove unused variable 'in_current_obstack'.
682 (immed_real_const_1): Likewise.
683 (output_constant_pool): Remove unreferenced label 'done'.
684 (output_constant): Remove unused variable 'x'.
686 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
689 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
692 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
694 * combine.c (can_combine_p): Handle USEs in PARALLELs.
696 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
698 * config/linux.h (LIB_SPEC): Add -lc for -shared if
699 USE_GNULIBC_1 is not defined.
700 * config/sparc/linux.h; Ditto.
702 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
704 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
705 USE_GNULIBC_1 is not defined.
707 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
709 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
712 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
714 * system.h: New file to get common systems includes and various
715 definitions and declarations based on autoconf macros.
717 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
719 * cccp.c (new_include_prefix): Correctly handle -I./.
721 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
723 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
725 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
727 * expr.c (expand_assignment): Correct typo exposed by -Wall.
728 offset should have been a truth value, not an assignment.
730 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
732 * cse.c (delete_dead_from_cse): If a libcall produces a constant
733 result and that result can be substituted into SET_SRC of the
734 insn with the REG_RETVAL note, then perform the substitution
735 and delete the libcall.
737 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
739 * mips.md (trucndihi2,truncdiqi2): Change these to support
742 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
744 * mips/mips.c (movdi_operand): Direct referances to symbols
745 that arn't mips16 consts in mips16 mode arn't valid operands.
747 * mips/mips.c (mips_move_2words): Add gprel handling.
749 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
751 * mips.md (extendsidi2): Allow extension to/from a non-mips16
754 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
756 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
759 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
761 * Makefile.in (WARN_CFLAGS): New variable.
762 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
764 1998-02-11 Mark Mitchell <mmitchell@usa.net>
766 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
767 falling through default case in switch.
768 (i386_aligned_p): Likewise.
770 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
772 * mips/mips.h (mips_abi_string): Correct typo in comment.
774 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
776 * mips/mips.md (movdi): These PLUS's need to be Pmode.
778 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
780 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
781 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
782 indirectly via expr.h.
784 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
786 * stor-layout.c (layout_type): Do upper - lower in the native type,
787 so as to properly handle negative indices.
789 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
791 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
792 (expand_eh_region_start_tree): Remove unused variable 'note'.
793 (exception_optimize): Remove unused variable 'regions'.
794 (expand_builtin_eh_stub): Remove unused variable 'temp'.
795 (copy_eh_entry): Deleted. Dead function.
797 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
798 'last' with same #if HAVE_load_multiple as use of it.
799 (move_block_from_reg): Likewise.
800 (emit_move_insn_1): Remove unused variable 'insns'.
801 (store_constructor): Bracket declaration of startb, endb with
802 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
803 'target', and 'xtarget'.
804 (expand_builtin_setjmp): Remove unused variables 'op0',
805 'next_arg_reg', 'old_inhibit_defer_pop'.
806 (expand_builtin): Remove unused variable 'offset'.
807 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
808 (emit_queue): Add parens for assignment used as conditional.
809 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
811 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
813 * i386.c: Added include for recog.h.
814 (override_options): Removed unused variable p. Initialized regno to
816 (order_regs_for_local_alloc): Initialized regno to avoid warning.
817 (legitimize_address): Likewise for 'other'.
818 (i386_aligned_reg_p): Added default case with abort ().
819 (print_operand): Likewise.
820 (reg_mentioned_in_mem): Likewise.
821 (ix86_expand_binary_operator): Removed unused variables i & insn.
822 (ix86_expand_unary_operator): Removed unused variable insn.
823 (output_fp_cc0_set): Removed unused variable unordered_label.
825 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
827 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
828 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
829 and format string match.
831 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
833 * flow.c (life_analysis): Do not conside the stack pointer live at
834 the end of a function if the fucntio ncalls alloca.
835 (mark_used_regs): Similarly.
837 1998-02-10 John F Carr <jfc@mit.edu>
839 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
840 1, fzero on alternative 8.
842 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
844 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
846 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
848 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
849 SUBREGs of CONST_INTs.
851 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
853 * mips.c (print_operand, function_prologue): Make printf format
856 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
858 * alpha.c (alpha_return_addr): Remove unused variable `first'.
859 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
860 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
862 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
864 * loop.c (strength_reduce): When placing increment for auto-inc
865 case, do comparison in loop order.
867 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
869 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
872 * calls.c (expand_call): Change test of expand_inline_function
873 return value to stop compiler warning.
875 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
877 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
878 Jeff Law (law@cygnus.com)
880 * regmove.c: Fix various minor formatting problems.
881 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
882 is true. Make end of basic block tests consistent through regmove.c.
883 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
884 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
886 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
888 * gansidecl.h: Check for a conflicting macro definition before
889 attempting to prototype bcopy, bcmp or bzero.
891 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
893 * expr.c (clear_pending_stack_adjust): Handle case where a function
894 calls alloca, but the user has specified -fomit-fframe-pointer.
896 * function.c (assign_parms): Fix typo in last change.
898 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
900 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
902 (free_path_suffix): Remove unreferenced static function.
903 (process_command): Remove unused variable temp.
904 (default_arg): Remove unused variable i.
905 (do_spec_1): Add parens for assignment used as truth value.
907 (validate_all_switches): Likewise.
908 (main): Remove unused variables i, first_time>
910 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
912 * calls.c (expand_call): Remove unused variables funtree,
915 * dbxout.c, except.c: Include <string.h>/<strings.h>.
917 * explow.c: (plus_constant_for_output_wide) Removed unused
918 variable all_constant.
920 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
921 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
922 genrecog.c, global.c, integrate.c , stupid.c : Include
925 * genextract.c: (walk_rtx) Remove unused variable link.
927 * genrecog.c: (concat) Remove unreferenced static function.
929 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
931 * stmt.c: Include <stdlib.h>.
932 (expand_asm_operands): Remove unused variable val1.
933 (expand_return): Remove unused variable block.
934 (pushcase): Remove unused variables l and n.
935 (pushcaserange): Likewise.
937 * unroll.c (unroll_loop): Remove unused variable temp.
939 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
941 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
943 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
945 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
946 functions for whether they support the %p format specifier.
947 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
948 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
949 * configure, config.in: Rebuild.
951 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
953 * function.c (assign_parms): New variable named_arg, with value
954 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
956 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
958 * mips/t-r3900: New - same as t-ecoff but eliminate
959 multilibs: mips1 and mips3.
960 * configure.in (tx39*): Use new mips/t-r3900.
961 * configure: Rebuild.
962 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
964 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
966 * dwarf2out.c: Add old_args_size.
967 (dwarf2out_args_size): Use it.
968 (dwarf2out_begin_prologue): Initialize it.
969 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
970 pushed args until we see a call.
971 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
972 before outputting them.
974 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
976 * cplus-dem.c (demangle_template_template_parm): New function.
977 (demangle_template): Handle template template parameters.
979 1998-02-02 Mark Mitchell <mmitchell@usa.net>
981 * calls.c (expand_call): Don't confuse member functions named
982 realloc, setjmp, and so forth with the standard library
983 functions of the same names.
985 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
987 * stmt.c (expand_asm_operands): Correctly identify asm statements
990 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
992 * c-common.c (decl_attributes): Flag unrecognized attribute
993 functions as warnings instead of as errors.
995 1998-02-05 Marc Lehmann <pcg@goof.com>
997 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
998 when -Os is specified.
999 * toplev.c (main): Don't disable flag_inline_functions anymore when
1002 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1004 * regmove.c: Update.
1005 * flags.h (flag_regmove): Declare.
1006 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
1007 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
1008 Moved into regmove; changed caller.
1009 * toplev.c (rest_of_compilation): Call regmove_optimize also for
1010 expensive_optimizations.
1012 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
1014 * version.c: Bump for snapshot.
1016 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1017 Undo this change (the problem was actually in reload):
1018 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1020 * sh.md (movqi_i+1): New peephole.
1022 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
1024 * jump.c (jump_optimize): Lose calls to modified_in_p they are
1025 not needed anymore due to changes elsewhere in jump.c.
1027 * jump.c (jump_optimize): Fix first arg to modified_in_p in
1030 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
1032 * expr.c (expand_builtin_setjmp): Accept two new arguments for
1033 the labels to branch to on first and subsequent executions. Don't
1034 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
1035 and provide it with the jmp_buf. Use only one of
1036 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
1037 and provide the former with the target label.
1038 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
1039 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
1040 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
1041 insn to replace all of the normal nonlocal_goto code. Don't play
1042 with __dummy. Correct arguments to nonlocal_goto.
1043 * expr.h (expand_builtin_setjmp): Update prototype.
1044 * except.c (start_dynamic_handler): When using builtin_setjmp,
1045 generate more accurate flow information.
1047 * alpha.md (nonlocal_goto_receiver_osf): Delete.
1048 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
1049 (builtin_longjmp, builtin_setjmp_receiver): New.
1050 * sparc.md (update_return): Disambiguate unspec number.
1051 (nonlocal_goto): Rearrange arguments to match caller in except.c.
1052 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
1054 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
1055 (builtin_setjmp_setup*, builtin_longjmp): New.
1057 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
1059 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
1061 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
1063 * vmsconfig.com: Remove bytecode references.
1065 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1067 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
1068 -fno-sjlj-exceptions works for a target that defines
1069 DWARF2_UNWIND_INFO as zero.
1071 * regmove.c (fixup_match_1): Undo last change which removed some
1072 "useless" code, and add a comment explaining this.
1074 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
1076 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
1079 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
1081 * makefile.vms: Remove bytecode references.
1082 Create genrtl files.
1084 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
1086 * jump.c (jump_optimize): Allow conditional loading of floating point
1087 constants and constants from memory. Reinstalled modified_in_p tests.
1089 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1091 * loop.c (get_condition): Handle sign-extended constants.
1093 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
1095 * expr.c (emit_push_insn): Add code to use movstrti if present.
1097 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
1098 and movstrqi as in emit_block_move ().
1100 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
1102 * config/m68k/x-next: Remove /NextDeveloper/Headers from
1103 the directories to fixinclude - /usr/include is a link
1104 to it and hence its contents are fixed by default.
1106 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1108 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
1110 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
1112 * cccp.c (main): Predefine __VMS_VER on VMS.
1114 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1116 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
1117 * fold-const.c (size_int): Replace with
1119 (make_bit_field_ref): Use bitsize_int for bit position.
1120 * stor-layout.c (sizetype): Delete.
1121 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
1122 (layout_record, layout_union, layout_type):
1123 Use bitsize_int for bit size.
1124 (set_sizetype): New function.
1125 (make_signed_type, make_unsigned_type): Use it.
1126 * c-decl.c (init_decl_processing): Likewise.
1127 * tree.h (size_int): Don't delcare, #define.
1128 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
1129 (set_sizetype): Declare.
1130 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
1132 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
1133 Convert result to sizetype.
1134 (really_start_incremental_init, push_init_level):
1135 Set type of constructor_bit_index to sbitsizetype.
1136 (push_init_level): Use unsigned arithmetic to determine padding.
1137 (output_init_element): Likewise.
1139 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
1141 * combine.c (simplify_shift_const): Fix typo in last change.
1143 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
1145 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
1146 is (truncate (lshiftrt)).
1148 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
1150 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
1151 Make sure result winds up in TGT.
1152 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
1153 src to be other than DImode.
1154 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
1155 (alpha_expand_unaligned_store_words): Likewise.
1156 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
1157 that source and destination are separately optimized for alignment.
1158 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
1160 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
1162 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
1163 with handling of -32768.
1165 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1167 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
1168 shell variable argument instead of only hard coded functions.
1169 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
1171 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
1172 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
1173 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
1174 declarations for bcopy, bcmp and bzero.
1176 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
1178 * gansidecl.h: If we have bcopy but don't declare it, then do so.
1179 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
1180 bzero, index and rindex if they aren't already present.
1182 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
1184 * toplev.c (close_dump_file): Wrap function prototype for
1185 argument "func" in PROTO.
1186 (dump_rtl): Likewise.
1188 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
1190 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
1192 (output_function_epilogue): Omit epilogue if nothing drops through.
1193 (output_move_double): Supress int ldd usage on ultrasparc and v9.
1194 (registers_ok_for_ldd_peep): Likewise.
1195 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
1196 (ultrasparc_adjust_cost): New function.
1197 (sparc_issue_rate): New function.
1198 * sparc.h (MASK_VIS, TARGET_VIS): New
1199 (MASK_V8PLUS, TARGET_V8PLUS): New.
1200 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
1201 (TARGET_SWITCHES): Add vis and v8plus.
1202 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
1203 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
1204 (RTX_COSTS): Use TARGET_HARD_MUL
1205 (ADJUST_COST): Call ultrasparc_adjust_cost.
1207 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
1208 of load & fp appropritely.
1209 (supersparc function units): Adjust for Haifa.
1210 (ultrasparc function units): Likewise.
1211 (get_pc_via_rdpc): All v9, not just arch64.
1212 (movdi_v8plus, movdi_v8plus+1): New.
1213 (adddi3_sp32+1): New.
1214 (subdi3_sp32+1): New.
1215 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
1216 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
1217 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
1218 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
1219 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
1220 (ldd peepholes): Suppress for v9.
1221 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
1222 (return_subsi): Revmove.
1224 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
1226 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
1227 save/restore MEM rtl.
1229 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
1231 * configure.in: Check for declaration of abort.
1232 * acconfig.h: Corresponding changes.
1233 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
1236 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
1238 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
1241 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
1243 * version.c: Bump for snapshot.
1245 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
1247 * configure.in: Check for atoq and atoll.
1248 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
1249 proper routine for converting ascii into long long values.
1251 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
1253 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
1255 * vmsconfig.com: Remove bytecode references.
1257 * alpha/vms.h (PREFIX): Define.
1259 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
1261 * am-alpha.h: Don't include alloca for OPEN_VMS.
1263 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
1265 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
1266 (GCC_INCLUDE_DIR): Define
1268 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
1269 * makefile.vms: New file.
1271 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
1273 * alpha.c (output_prolog): Output '.name' directive
1274 for minimal traceback information.
1276 * alpha.c (output_prolog): Don't prepend entry point symbols
1277 with '$' on OPEN_VMS.
1279 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
1280 Jeffrey A Law (law@cygnus.com)
1282 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
1285 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
1287 * genemit.c (gen_exp): Likewise.
1288 * genpeep.c (match_rtx): Likewise.
1289 * genrecog.c (write_tree_1): Likewise.
1291 * c-lex.c (yyprint): Use proper format string based upon
1292 disposition of HOST_BITS_PER_WIDE_INT.
1293 (yylex): Put casts in right place for args to build_int_2.
1295 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
1297 * combine.c: Fix typos in Jan27 changes.
1299 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
1301 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
1302 (LINK_SPEC): Likewise.
1303 (STARTFILE_SPEC): Likewise.
1305 1998-01-28 Mike Stump <mrs@wrs.com>
1307 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
1309 * genattrtab.c (reload_completed): Define.
1311 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
1314 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1316 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1317 SUBREG_REG if the word count is unchanged, also in the input reload
1318 case. Disable non-applicable sanity checks.
1320 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
1322 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1324 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
1326 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
1328 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
1330 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
1331 is a TREE_VEC before trying to use it for baseclasses.
1332 (Chill uses the same field for a different purpose.)
1334 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
1336 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
1338 * config.sub: More accurate determination of HP processor types.
1340 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1342 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
1343 prototype for `handle_sysv_pragma', and make it static. Add
1344 parentheses around assignment used as truth value.
1346 * combine.c (combine_instructions): Protect variable `prev' with
1348 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
1349 (extract_left_shift): Add parentheses around operand of &.
1350 (merge_outer_ops): Avoid an empty body in an else-statement.
1351 (gen_rtx_combine): Remove unused variable `i'.
1353 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
1354 function monstartup `void'. Likewise for internal_mcount. Add
1355 `static void' prototype for moncontrol. Reconcile sprintf format
1358 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
1359 Make return type of function_arg_slotno explicitly `int'.
1360 (reg_unused_after): Add parentheses around assignment used as
1362 (save_regs): Add explicit braces to avoid ambiguous `else'.
1363 (function_arg_slotno): Add parentheses around && within ||.
1364 (function_arg_pass_by_reference): Likewise.
1365 (sparc_flat_output_function_prologue): Reconcile fprintf format
1368 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
1369 assignment used as truth value.
1371 * cplus-dem.c: Include <stdlib.h>.
1372 (demangle_signature): Avoid an empty body in an else-statement.
1373 (do_type): Remove unused variable `lvl'.
1375 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
1376 Include <string.h>/<strings.h>.
1377 (cpp_lex): Remove unused variable `namelen'.
1378 (cpp_lex): Explicitly declare `num_chars' as an int.
1380 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
1381 <unistd.h> instead. Explicitly declare is_system_include
1383 (make_assertion): Remove unused variable `kt'.
1384 (cpp_expand_to_buffer): Hide variable `obuf'.
1385 (output_line_command): Remove unused variables, `line_end',
1386 `line_cmd_buf' and `len'.
1387 (macarg): Remove unused variable `arg_start'.
1388 (special_symbol): Remove unused variable `i'. Add parentheses
1389 around assignment used as truth value.
1390 (do_include): Remove unused variables `pcfname' and `retried',
1391 hide `pcf' and `pcfbuflimit'.
1392 (do_line): Remove unused variable `i'.
1393 (finclude): Hide variable `missing_newline'.
1394 (cpp_handle_options): Remove unused variable `j'.
1395 (read_token_list): Remove unused variable `eofp'.
1396 (cpp_error_with_line): Remove unused variable `i'.
1397 (cpp_warning_with_line): Likewise.
1398 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
1399 (cpp_error_from_errno): Remove unused variable `i'.
1401 * cse.c (invalidate): Add parentheses around assignment used as
1403 (find_best_addr): Move declaration of variable `our_cost' inside
1404 the conditional macro where its used.
1405 (fold_rtx): Avoid an empty body in an if-statement.
1406 (cse_insn): Wrap variables `this_insn_cc0_mode' and
1407 `this_insn_cc0' in macro HAVE_cc0.
1409 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
1410 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
1411 (output_uleb128): Likewise.
1412 (output_sleb128): Likewise.
1413 (output_cfi): Likewise.
1414 (output_call_frame_info): Remove unused variables `j', `fde_size'
1416 (comp_unit_has_inlines): Hide declaration as per rest of file.
1417 (size_of_line_prolog): Correct typo in prototype.
1418 (add_arange): Likewise.
1419 (output_aranges): Likewise.
1420 (add_name_and_src_coords_attributes): Likewise.
1421 (gen_array_type_die): Likewise.
1422 (gen_inlined_subroutine_die): Likewise.
1423 (equate_decl_number_to_die): Remove unused variable `i'.
1424 (print_die): Reconcile format vs. args in fprintf's.
1425 (print_dwarf_line_table): Likewise.
1426 (output_die): Likewise.
1427 (output_line_info): Likewise.
1428 (add_subscript_info): Avoid an empty body in an else-statement.
1429 (gen_subprogram_die): Remove unused variable `fp_loc'.
1431 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
1432 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
1433 macro. Protect `src_coords_attribute' prototype with
1434 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
1435 prototype as in the rest of the file. Likewise for
1436 `output_pointer_type_die' and `output_reference_type_die'. Remove
1437 prototype for `type_of_for_scope'.
1438 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
1439 (type_attribute): Add explicit braces to avoid ambiguous `else'.
1441 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
1442 (shorten_branches): Protect declaration of tmp_length with
1443 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
1444 (profile_function): Protect declaration of `sval' and `cxt'
1445 variables with appropriate macros.
1446 (final_scan_insn): Likewise for `note' variable. Add explicit
1447 braces to avoid empty body in an if-statement.
1448 (output_asm_insn): Move variable `i' inside macro conditional
1449 where it is used. Add parentheses around assignment used as truth
1451 (asm_fprintf) Likewise, likewise.
1453 * fix-header.c (main): Remove unused variable `done'. Protect
1454 declaration of `i' with FIXPROTO_IGNORE_LIST.
1456 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
1458 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
1461 * profile.c: Include <string.h>/<strings.h>.
1462 (instrument_arcs): Remove unused variables `note', `inverted',
1463 `zero' and `neg_one'.
1464 (branch_prob): Avoid empty body in an if-statement.
1466 * regclass.c: Include <stdlib.h>.
1467 (reg_alternate_class): Explicitly declare parameter `regno'.
1469 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
1470 parentheses around assignment used as truth value.
1471 (find_matches): Remove unused variables `output_operand' and
1473 (fixup_match_1): Remove statement with no effect: "if (0) ;".
1475 * scan.c (sstring_append): Explicitly declare `count' as int.
1476 (scan_string): Explicitly declare parameter `init' as int.
1478 * sched.c: Include <stdlib.h>.
1479 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
1480 (rank_for_schedule): Add parentheses around assignment used as
1482 (schedule_block): Likewise.
1483 (regno_use_in): Likewise.
1484 (schedule_insns): Remove unused variable `i'.
1486 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
1487 (v_message_with_decl): Remove unused variable `n'.
1488 (botch): Explicitly declare parameter `s' as char *.
1489 (main): Add parentheses around assignment used as truth value.
1491 * tree.c (make_node): Protect the variable `kind' with the
1492 GATHER_STATISTICS macro.
1493 (real_value_from_int_cst): Move variable `e' inside conditional
1494 macro area where it is used.
1495 (tree_last): Add parentheses around assignment used as truth value.
1496 (build1): Protect the variable `kind' with the GATHER_STATISTICS
1498 (print_obstack_statistics): Reconcile format vs. args in fprintf.
1499 Protect variables `i', `total_nodes', and `total_bytes' with the
1500 GATHER_STATISTICS macro.
1502 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
1504 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
1505 some comments regarding use of dead_or_set_p.
1507 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
1509 * fixincludes: Tweak fix for struct exception in math.h
1511 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
1513 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
1514 Change mode of registers used to add/sub from
1515 hard_frame_pointer_rtx from word_mode to Pmode.
1517 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
1519 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
1520 asm_output_aligned_bss() instead of asm_output_bss().
1522 * toplev.c (rest_of_compilation): Replace references to
1523 stack_reg_dump_file and dbr_sched_dump_file with references to
1526 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
1528 * tlink.c (scan_linker_output): Call fclose() for opened files.
1530 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
1532 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
1533 compiling with -fpic -- we want to be able to override symbols
1535 (alpha_expand_block_move): Fix thinko in last change.
1537 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
1538 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
1539 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
1541 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
1543 * alpha.md (abssf, absdf): Revert last change.
1545 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
1547 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
1548 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
1550 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
1552 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
1553 a CONST_INT into SFmode.
1555 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
1557 * flags.h: New flag (optimize_size).
1558 * toplev.c (main): Parse -Os option and set optimize_space
1560 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
1561 __OPTIMIZE_SIZE__ when compiling with -Os.
1562 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
1563 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
1564 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
1566 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
1568 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
1570 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
1571 stuff only if MCT_TEXT is #define'd.
1573 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
1575 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
1578 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
1580 * toplev.c: Add -dM command line option to dump RTL after the
1581 machine dependent reorganisation pass, if there is one.
1582 Reorganise RTL dump code, so that only one file handle is
1585 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
1587 * except.c (check_exception_handler_labels): Disable warning when
1590 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
1592 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
1594 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1596 * c-decl.c (grokdeclarator): Get parameter tags from
1597 last_function_parm_tags.
1598 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
1599 traversing the parameter types.
1600 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
1602 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
1604 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
1606 (get_shift_alg): Fix typo.
1608 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
1610 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
1612 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
1614 * toplev.c (get_run_time): Make sure each case gets its variables.
1616 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
1618 * configure.in (build_xm_file): Add auto-config.h if host=build.
1619 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
1620 (build_xm_file_list): Likewise.
1621 * configure: Rebuild.
1623 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
1625 * recog.c (validate_replace_rtx_1): Only perform substitutions
1626 of arguments to commutative and comparison operators once.
1628 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1630 * sparc.c (output_cbranch): Add default case in
1633 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
1634 (emit_delay_sequence): Eliminate unused parameter, all callers
1636 (fill_simple_delay_slots): Likewise.
1637 (fill_slots_from_thread): Likewise.
1638 (fill_eager_delay_slots): Likewise.
1639 (mark_referenced_resources): Add default case in enumeration switch.
1640 (mark_set_resources): Likewise.
1641 (rare_destination): Likewise.
1642 (mostly_true_jump): Likewise.
1643 (find_dead_or_set_registers): Likewise.
1644 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
1645 (update_reg_unused_notes): Remove unused variable `p'.
1646 (mark_target_live_regs): Remove unused variables `next' and
1648 (fill_simple_delay_slots): Remove unused variable `j'.
1649 (fill_slots_from_thread): Add parentheses around assignment used
1651 (dbr_schedule): Likewise.
1653 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
1654 (objc.stage2, objc.stage3, objc.stage4): Likewise.
1656 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
1658 * cse.c (simplify_ternary_operation): Don't try to simplify
1659 IF_THEN_ELSE expressions (created by combine) that don't use
1660 relational operators.
1662 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
1664 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
1667 * crtstuff.c (init_dummy): Keep the epilogue in the init
1668 section for non-ELF systems.
1670 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1672 * sh.md (movqi_i+1): New peephole.
1674 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
1676 * Makefile.in: Remove remaining bytecode stuff.
1677 * emit-rtl.c, expr.c: Likewise.
1679 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
1681 * toplev.c (lang_options): Add unknown-pragma options.
1683 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
1685 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
1686 special (and incomplete) handling for Chill arrays.
1688 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
1690 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
1693 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
1695 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
1697 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
1699 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
1700 .frame directive instead of FRAME_POINTER_REGNUM.
1702 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
1704 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
1705 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
1706 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
1707 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
1708 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
1709 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
1710 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
1711 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
1713 * longlong.h: Replace __mc68332__ with __mcpu32__.
1715 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
1717 * version.c: Bump for snapshot.
1719 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
1721 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
1722 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
1723 * reload1.c (eliminate_regs): Likewise.
1725 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
1727 * regmove.c (find_matches): Initialize matches->earlyclobber too.
1729 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
1731 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
1732 (negsf2, negdf2): Use proper subtract in IEEE mode.
1734 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
1736 * Makefile.in: Remove more bytecode stuff.
1737 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
1738 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
1739 * f/install.texi, objc/Make-lang.in: Likewise.
1741 * Makefile.in: Remove all bytecode support.
1742 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
1743 * emit-rtl.c: Remove all bytecode support.
1744 * expr.c, expr.h function.c, integrate.c: Likewise.
1745 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
1746 * tree.h, varasm.c: Likewise.
1747 * config/m68k/m68k.h: Likewise.
1748 * bi-*, bc-*, bytecode*: Delete bytecode related files.
1749 * modemap.def: Likewise.
1751 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
1753 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
1754 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
1756 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
1758 * i386.md (push): Prohibit symbolic constants if flag_pic.
1759 (movsi+1): Likewise for move to non-register.
1761 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
1763 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
1764 (print_operand): Handle 0xffffffff on 32 bit host.
1766 * configure.in (thread_file): Rename uses before main loop to
1767 target_thread_file. Initialize to empty in main loop. Set thread_file
1768 to target_thread_file after main loop if not set.
1769 * configure: Rebuild.
1771 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
1772 (add_values_to_cover): Revert last change (which had no ChangeLog
1774 (simplify_with_current_value_aux): Handle CONST_INT.
1776 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1778 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
1780 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
1782 * configure.in: Add cpp stringify test.
1783 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
1784 * gengenrtl.c: Use it.
1785 * configure, config.in: Rebuild.
1787 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1789 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
1791 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
1793 * configure.in: Find declaration for sbrk.
1794 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
1795 * config.in, configure: Rebuild.
1796 * mips-tfile.c: Properly protect declaration of sbrk and free.
1797 * toplev.c: Properly protect declaration of sbrk.
1799 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
1801 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
1803 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
1805 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
1807 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
1809 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
1811 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
1813 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
1814 constant offset computations from objects with known alignment in
1815 the presence of STACK_BIAS.
1817 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
1819 (const_hash): Hash val is unsigned long.
1820 (SYMHASH): Likewise.
1822 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
1824 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
1825 char pointer, not HOST_WIDE_INT.
1826 (print_node): Likewise. Also hash is unsigned long not
1829 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
1831 * explow.c (optimize_save_area_alloca): New function for targets
1832 where SETJMP_VIA_SAVE_AREA is true.
1833 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
1834 compute the amount of stack space needed should we find later that
1835 setjmp is never called by this function, stuff rtl for this inside
1836 a REG_NOTE of the final SET of stack_pointer_rtx.
1837 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
1838 current_function_calls_alloca, call optimize_save_area_alloca.
1840 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
1842 * i386.md: Remove redundant integer push patterns.
1843 Don't bother checking for TARGET_PUSH_MEMORY when
1844 pushing constants or registers.
1846 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1847 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
1849 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
1850 (pwait): New function for mingw32.
1852 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
1853 pipe support is broken for now.
1855 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
1857 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
1858 between frame_pointer_rtx, hard_frame_pointer_rtx, and
1859 arg_pointer_rtx is respected in initialization.
1860 (init_emit_once): Use gen_rtx_raw_REG() to create
1861 return_address_pointer_rtx.
1863 * reorg.c: #include "expr.h" for rtx prototypes.
1864 * Makefile.in (reorg.o): Depend on expr.h
1866 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
1868 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
1869 local_prefix to sub-make invocations.
1871 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
1873 * objc-parse.c: Recognize protocol qualifiers in class definitions.
1875 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
1879 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
1880 * configure.in: Check for atol.
1881 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
1883 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
1885 * loop.c (find_and_verify_loops): When attempting to move insns from
1886 inside the loop outside the loop, create a BARRIER if no suitable
1889 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
1890 favor of an equivalent change from gcc-2.8.
1892 * i386/x-sco5 (CC): Remove trailing whitespace.
1894 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1896 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
1897 (accessor_from_format): Likewise.
1898 (xmalloc): New function for use when linking with alloca.o.
1900 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1902 * frame.c (find_fde): Correct FDE's upper bound.
1904 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
1906 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
1908 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
1910 * calls.c (expand_call): Move #ifdef code out of macro argument
1912 (emit_library_call, emit_library_call_value): Likewise.
1914 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
1916 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
1918 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
1920 * version.c: Bump for snapshot.
1922 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
1924 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
1925 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
1926 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
1927 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
1928 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
1929 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
1930 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
1931 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
1932 * unroll.c, varasm.c: Likewise.
1933 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
1935 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
1937 * mips.h: Fix some type-o's from a previous change.
1939 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
1941 * loop.c (check_dbra_loop): Make sure initial value is a
1942 CONST_INT before trying to normalize it.
1944 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
1946 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
1948 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
1950 * cppexp.c: Include gansidecl.h
1952 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
1954 * svr4.h (LINK_SPEC): Never specify -h.
1955 * ptx4.h (LINK_SPEC): Likewise.
1956 * rs6000/sysv4.h (LINK_SPEC): Likewise.
1957 * sparc/sol2.h (LINK_SPEC): Likewise.
1959 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
1961 * c-typeck.c (comptypes): Exit early on NULL input.
1963 * haifa-sched.c (schedule_insns): Correctly remove inter-block
1964 dependencies after reload.
1966 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
1968 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
1970 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
1972 * alpha/vms.h (DIR_SEPARATOR): define
1974 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1976 * Makefile.in (stamp-proto): Remove.
1977 (protoize.o, unprotoize.o): Straightforward compile.
1978 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
1980 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
1982 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
1983 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
1985 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
1987 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
1988 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
1989 * sparc/netbsd.h, vax/netbsd.h: Likewise.
1991 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
1993 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
1995 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
1997 * configure.in (target_cpu_default, target_cpu_default2): Use double
1998 quotes around them when testing their value.
1999 * configure: Rebuilt.
2001 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
2003 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
2005 (gendef): Call obstack_alloc_rtx.
2007 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
2009 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
2012 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
2014 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
2015 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
2016 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
2018 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
2020 * mips.md (return_internal): Change mode from SImode to VOIDmode.
2022 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
2024 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
2027 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
2029 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
2030 suffix from operand 3.
2032 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2033 Jeffrey A Law (law@cygnus.com)
2035 * regmove.c: New implementation of regmove pass.
2036 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
2037 decls, make them have external linkage. Return a value from
2038 optimize_reg_copy_1.
2039 * reload.h (count_occurrences): Add decl.
2040 * reload1.c (count_occurrences): Delete decl, make it have external
2042 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
2044 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
2046 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
2047 if it is not defined.
2049 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
2051 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
2052 * emit-rtl.c (gen_rtx): Move special code to ...
2053 (gen_rtx_CONST_INT): New function.
2054 (gen_rtx_REG): New function.
2055 (*): Update all calls to gen_rtx.
2056 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
2057 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
2058 (GEN_INT): Call gen_rtx_CONST_INT.
2059 * gengenrtl.c: New file.
2061 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
2063 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
2064 (base_alias_check): If no base found for address call canon_rtx and
2067 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
2069 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
2070 arguments for mips16.
2071 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
2072 Don't lose if tsize is zero after handling large stack for mips16.
2073 * mips.md (return): For trivial return, return address is in $31.
2075 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
2077 * mips/mips16.S: Various changes to make it work with -msingle-float
2080 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
2081 Ian Lance Taylor <ian@cygnus.com>
2082 Jeff Law <law@cygnus.com>
2084 * mips.c, mips.h, mips.md: First cut at merging in mips16
2085 support. Major modifications throughout all three files.
2087 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
2089 * configure.in: Make gthr-default.h a forwarding header instead of
2092 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2094 * gcov-io.h: Include sys/types.h to ensure we get size_t.
2096 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
2098 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
2099 Jeffrey A Law (law@cygnus.com)
2101 * crtstuff.c (__frame_dummy): New function for irix6.
2102 (__do_global_ctors): Call __frame_dummy for irix6.
2103 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
2105 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
2107 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
2109 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
2111 * c-decl.c (init_decl_processing): Provide proper fallback symbol
2112 for __builtin_memset.
2113 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
2114 not INTEGER_CST. Assert arg 3 is a constant.
2116 * alpha.c (mode_width_operand): Accept 64-bit modes.
2117 (mode_mask_operand): Likewise.
2118 (print_operand): Likewise for 'M' and 'U' codes.
2119 (alpha_expand_unaligned_load): New function.
2120 (alpha_expand_unaligned_store): Likewise.
2121 (alpha_expand_unaligned_load_words): Likewise.
2122 (alpha_expand_unaligned_store_words): Likewise.
2123 (alpha_expand_block_move): Likewise.
2124 (alpha_expand_block_clear): Likewise.
2125 * alpha.h (MOVE_RATIO): New define.
2126 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
2127 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
2129 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
2130 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
2132 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
2134 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
2135 * configure: Update.
2137 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
2139 * emit-rtl.c (operand_subword): Correctly handle extracting a word
2140 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
2142 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
2145 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
2147 * configure.in: Set and subsitute host_exeext. Use it when creating
2148 the assembler and linker symlinks.
2149 * configure: Rebuild.
2150 * Makefile.in (exeext): Set to @host_exeext@.
2151 (build_exeext): New variable, set to @build_exeext@.
2152 (FLAGS_TO_PASS): Pass down build_exeext.
2153 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
2156 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
2158 * mn10200.md (addsi3, subsi3): Fix thinkos.
2160 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
2162 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
2163 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
2164 unix always, since we want to be able to thunk to functions in a
2165 shared library from an application.
2167 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
2169 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
2170 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
2172 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
2174 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
2175 offset's mode is not ptr_mode, convert it.
2177 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
2179 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
2180 compiling if it was already defined.
2182 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
2184 * flow.c (find_basic_blocks): Don't create a new basic block
2185 for calls in a LIBCALL block.
2187 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
2189 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
2191 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
2193 * cse.c (rtx_cost): Remove conflicting default case.
2195 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
2197 * configure.in: Move default enabling of Haifa out of for loop.
2198 * configure: Rebuild.
2200 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
2202 * version.c: Bump for snapshot.
2204 1997-12-25 Teemu Torma <tot@trema.com>
2206 * Makefile.in (GTHREAD_FLAGS): New var.
2207 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
2208 (distclean): Remove gthr-default.h.
2210 * configure.in: Accept dce as a thread package.
2211 Check for thread.h and pthread.h.
2212 Link gthr-default.h to appropriate thread file and set
2214 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
2215 include multilib definitions from pa/t-dce-thr.
2216 (sparc-*-solaris2*): Enable threads by default, if thread.h or
2217 pthread.h is found, preferring posix threads over solaris ones.
2219 * config/pa/t-dce-thr: New file.
2220 * config/pa/t-pa: Removed multilibs.
2221 * config/sparc/t-sol2: Ditto.
2224 * gthr-single.h: New file.
2225 * gthr-posix.h: New file.
2226 * gthr-solaris.h: New file.
2227 * gthr-dce.h: New file.
2228 * libgcc-thr.h: Removed.
2229 * objc/thr-dce.c: New file copied from thr-decosf1.c.
2231 * frame.c: Include gthr.h instead of libgcc-thr.h.
2232 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
2233 (eh_context_initialize): If __gthread_once fails, use static eh
2235 (eh_context_free): Call __gthread_key_dtor.
2237 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
2239 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
2241 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
2243 * cse.c (max_insn_uid): New variable.
2244 (cse_around_loop): Use max_insn_uid.
2245 (cse_main): Set max_insn_uid.
2247 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
2248 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
2249 -mlong64, and -mgp{32,64} options.
2250 * mips.c (mips_abi): Change type to int.
2251 * mips.h (enum mips_abi_type): Delete.
2252 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
2253 (mips_abi): Change type to int.
2255 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
2257 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
2258 optimization is now always enabled.
2260 * calls.c (expand_call): Recognize C++ operator new as malloc-like
2263 * alias.c (memrefs_conflict_p): Eliminate tests now done by
2265 (*_dependence): Call canon_rtx before base_alias_check.
2266 (init_alias_once): New function to precompute set of registers which
2267 can hold Pmode function arguments.
2269 * rtl.h: Declare init_alias_once.
2271 * toplev.c (compile_file): Call init_alias_once.
2273 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
2275 * tree.c (restore_tree_status): Do not dereference a null pointer.
2277 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
2279 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
2280 RLIMIT_STACK. This maintains consistency with the recent, similar
2281 patch to cccp.c and toplev.c.
2283 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
2285 * genattrtab.c (expand_units): For large nr opclasses, expand
2286 function_units_used with ORX to prevent blowups. Tag with FFS.
2287 (num_unit_opclasses): New variable.
2288 (gen_unit): Update it.
2289 (enum operator): Add ORX_OP.
2290 (operate_exp): Treat ORX as or, except don't expand across an if.
2291 Reuse number rtx's after operating on them.
2292 (check_attr_value): Accept IOR, AND, & FFS.
2293 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
2294 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
2295 (write_expr_attr_cache, write_toplevel_expr): New functions.
2296 (write_attr_get): Handle FFS-tagged expressions.
2297 (make_canonical): Don't expand const attributes.
2298 (convert_const_symbol_ref): Dike out.
2299 (evaluate_eq_attr): Handle SYMBOL_REF.
2300 (main): Don't emit get_attr_foo for const attributes.
2302 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
2303 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
2304 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
2305 * alpha.md: Redo all of the scheduling, adding EV6 support, and
2306 combining function units where possible.
2307 (attr "type"): Split loads, stores, cmov into int/fp. Combine
2308 multiplies and divides. Add EV6 sqrt, ftoi, itof.
2309 (attr "opsize"): New attribute.
2310 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
2311 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
2312 to control register allocation.
2313 (movsi2-1, movdi2-1): Likewise.
2315 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
2317 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
2318 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
2319 Move OSF/1 specific defines out.
2320 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
2321 Move Linux specific defines out.
2322 (LINK_SPEC): Genericize.
2323 (ASM_FILE_START): Emit .arch if using more than the base insn set.
2324 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
2325 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
2326 (HANDLE_SYSV_PRAGMA): Define.
2327 * alpha/osf.h: New file.
2328 * alpha/linux.h: Split. Retain file-format independant defines.
2329 Import Linux bits from elf.h.
2330 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
2331 (FUNCTION_PROFILER): _mcount takes its address in $28.
2332 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
2333 * alpha/linux-ecoff.h: New file.
2334 * alpha/linux-elf.h: New file.
2335 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
2336 * alpha/win-nt.h (TARGET_DEFAULT): Define.
2337 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
2338 Add new headers as appropriate.
2340 * configure.in (alpha*): Enable Haifa by default.
2341 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
2342 * configure: Rebuild.
2344 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
2346 * Makefile.in (clean): Remove the stages with their objects here ...
2347 (distclean): ... instead of here.
2349 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2351 * cse.c (rtx_cost): Add default case in enumeration switch.
2352 * fix-header.c (recognized_macro): Likewise.
2353 (recognized_extern): Likewise.
2354 (write_rbrac): Likewise.
2355 * objc/objc-act.c (encode_aggregate): Likewise.
2356 (gen_declarator): Likewise.
2357 (gen_declspecs): Likewise.
2359 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
2361 * haifa-sched.c (create_reg_dead_note): Detect and handle another
2362 case where we kill more regs after sched than were killed before
2364 * sched.c (create_reg_dead_note): Similarly.
2366 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
2368 * c-pragma.c: Include flags.h.
2370 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
2372 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
2373 about system headers.
2374 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
2375 and also to resolve symbols in prefix.c.
2377 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
2378 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
2379 when the definitions in auto-config.h is not visible.
2380 (HAVE_BZERO): Likewise.
2381 (HAVE_BCMP): Likewise.
2382 (HAVE_RINDEX): Likewise.
2383 (HAVE_INDEX): Likewise.
2385 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
2387 * pa.c (emit_move_sequence): Handle a function label source
2390 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
2392 * c-pragma.c (handle_pragma_token): Generate warning messages
2393 about unknown pragmas if warn_unknown_pragmas is set.
2395 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
2396 line option to set variable: warn_unknown_pragmas.
2398 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
2400 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
2402 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
2404 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
2406 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
2407 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
2408 generate more fine grained floating point emulation libraries.
2409 * config/fp-bit.c: Add protecting #ifdef to all functions so
2410 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
2411 then compile all suitable functions.
2412 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
2413 underscores to avoid namespace pollution.
2414 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
2416 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
2420 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2421 Jeff Law <law@cygnus.com>
2423 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
2425 * c-decl.c (finish_decl): Use parentheses around && within ||.
2426 * rtl.c: Include stdlib.h.
2427 (read_skip_spaces): Add parentheses around assignments used as
2429 (read_rtx): Initialize list_rtx.
2430 * cppexp.c (parse_number): Use || when operands are truth values.
2431 * alias.c (find_base_value): Add default case.
2432 (memrefs_conflict): Likewise.
2433 * combine.c (sets_function_arg_p): Likewise.
2434 * genemit.c (gen_exp): Likewise.
2435 * local-alloc.c (contains_replace_regs): Likewise.
2436 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
2437 * fold-const.c (fold_convert): Use "&&" for truth values.
2438 (fold): Add default case.
2439 * sdbout.c (sdbout_field_types): Fix typo in declaration.
2440 (sdbout_one_type): Add default case.
2441 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
2442 (some_operand): Add default case.
2443 (input_operand): Likewise.
2444 (signed_comparison_operator): Likewise.
2445 (divmod_operator): Likewise.
2446 (alpha_set_memflags_1): Likewise.
2447 * reload1.c (reload_cse_simplify_operands): Ensure function
2448 always returns a value.
2449 * scan-decls.c (scan_decls): Likewise.
2450 * c-lex.c (skip_white_space): Fix typo in declaraion.
2451 * c-typeck.c (comp_target_types): Add parentheses around assignment
2452 used as truth value.
2453 (print_spelling): Likewise.
2454 (constructor_implicit, constructor_result): Remove unused variables.
2455 * collect2.c (scan_library): Protect prototype with
2456 #ifdef SCAN_LIBRARIES.
2457 * emit-rtl.c (find_line_note): Fix typo in declaration.
2458 * final.c (asm_insn_count): Protect prototype with
2459 #ifdef HAVE_ATTR_length.
2460 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
2461 (try_pre_increment_1, try_pre_increment): Likewise.
2462 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
2463 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
2464 * gcov-io.h (__store_long, __write_long, __read_long): Fix
2465 unsigned/signed comparisons.
2466 * gcov.c (read_files): Remove unused "first_type" variable.
2467 (scan _for_source_files): Initialize s_ptr.
2468 (function_summary): Eliminate "%lf" formatting, use %ld for
2470 (output_data): Initialize branch_probs and last_line_num.
2471 Eliminate "%lf" formatting, use "%ld" for longs.
2473 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
2475 * mips16.S: New file.
2477 * libgcc2.c (varargs): Handle mips16.
2479 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
2481 * stmt.c (expand_end_case): Likewise.
2482 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
2483 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
2484 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
2486 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2488 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
2489 the build directory.
2490 (libobjc.a): Update dependency list.
2491 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
2493 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
2494 (objc.mostlyclean): Remove runtime-info.h.
2496 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
2498 * tree.c (build_range_type): Allow creation of ranges with no maximum.
2499 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
2500 * dwarf2out.c (add_subscript_info): Likewise.
2501 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
2502 * sdbout.c (plain_type_1): Likewise.
2503 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
2505 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
2508 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2510 * mips.c (fatal): Remove declaration.
2512 1997-12-18 Mark Mitchell <mmitchell@usa.net>
2514 * integrate.c (get_label_from_map): New function.
2515 (expand_inline_function): Use it. Initialize the label_map to
2516 NULL_RTX instead of gen_label_rtx.
2517 (copy_rtx_and_substitute): Use get_label_from_map.
2518 * integrate.h (get_label_from_map): New function.
2519 (set_label_from_map): New macro.
2520 * unroll.c (unroll_loop): Use them.
2521 (copy_loop_body): Ditto.
2523 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
2525 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
2526 (INIT_TARGET_OPTABS): Define.
2527 * mips/ecoff.h: Include gofast.h before mips.h.
2528 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
2529 * mips/elf64.h: Likewise.
2530 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
2532 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
2534 * except.c: Remove register_exception_table{,_p}.
2536 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
2538 * unroll.c (calculate_giv_inc): Handle constant increment found in
2539 a MEM with an appropriate REG_EQUAL note.
2541 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
2543 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
2544 frame pointer in the prologue.
2546 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
2548 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
2549 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
2551 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
2553 * config/m68k/m68k.c (output_function_prologue): Typecast
2554 dwarf2out_cfi_label to (char *).
2555 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
2557 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
2559 * sparc.md (jump): Don't use the annul bit around an empty loop.
2560 Patch from Kevin.Kelly@East.Sun.COM.
2562 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
2564 * jump.c: (jump_optimize): Don't use the return register as a
2565 source1 of a conditional move.
2567 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
2569 * sparc.c (DF_MODES): Or the mask not the bit number.
2570 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
2572 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2574 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
2576 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
2578 * fixincludes (size_t): Add support for Motorola's stdlib.h
2579 which fails to provide a definition for size_t.
2580 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
2581 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
2582 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
2584 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
2585 prevent unresolved externals in libio.
2586 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
2588 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
2590 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
2591 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
2592 (LIB_SPEC): Updated for glibc 2.
2594 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
2596 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
2597 * ginclude/varargs.h: Likewise.
2599 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
2601 * version.c: Bump for snapshot.
2603 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
2605 * frame.h (__register_frame, __register_frame_table,
2606 __deregister_frame): New.
2607 * frame.c (__register_frame, __register_frame_table,
2608 __deregister_frame): New.
2609 * frame.c (__deregister_frame_info): Return void *.
2610 * frame.h (__deregister_frame_info): Ditto.
2611 * collect2.c (__deregister_frame_info): Ditto.
2613 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
2615 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
2617 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
2619 * alpha.c (alpha_cpu_name): New variable.
2620 (alpha_mlat_string): Likewise.
2621 (alpha_memory_latency): Likewise.
2622 (override_options): Handle -mmemory-latency.
2623 (alpha_adjust_cost): Adjust load cost for latency.
2624 * alpha.h (TARGET_OPTIONS): Add meory-latency.
2625 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
2626 TARGET_CIX into account.
2627 (MEMORY_MOVE_COST): Define in terms of memory_latency.
2628 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
2630 * alpha.h (ASM_COMMENT_START): New macro.
2632 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
2634 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
2635 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
2637 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
2638 SUBREG_REG if the word count is unchanged.
2639 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
2640 subregs of identical word size for push_reload.
2642 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
2644 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
2645 if all we're doing is dealing with -Wreturn-type.
2647 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
2649 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
2650 Use and 255 instead of zapnot 1, since it schedules better.
2652 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
2654 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
2657 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
2659 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
2660 dependency we delete. Properly update prev for multiple consecutive
2662 (priority): Skip deleted dependence.
2664 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
2666 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
2668 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2670 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
2671 determining when a new basic block starts.
2673 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
2675 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
2676 * pa.md (iorsi3): Add missing args to *_operand calls.
2678 * except.c (call_get_eh_context): Don't mess with sequences.
2679 (emit_eh_context): Include the call in the sequence here.
2681 1997-12-11 Paul Eggert <eggert@twinsun.com>
2683 * collect2.c (write_c_file_glob): Allocate initial frame object
2684 in static storage and pass its address.
2686 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2688 * except.c (call_get_eh_context): Don't take a parm.
2689 Put the call at the top of the function.
2690 (emit_eh_context): Adjust.
2691 (get_eh_context): Replace with former use_eh_context.
2692 (get_eh_context_once, get_saved_pc_ref): Remove.
2693 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
2695 * integrate.c (expand_inline_function): Adjust.
2696 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
2698 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
2700 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
2701 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
2703 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
2705 * fixincludes (strlen,strspn,strcspn return value): Handle different
2707 (hypot): Provide a fake for hypot which is broken on
2708 m88k-motorola-sysv3.
2710 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
2712 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
2713 tree_code_name from pointers to arrays.
2714 * tree.c: Remove standard_tree_code_* variables, no longer used.
2715 * print-tree.c: Remove declaration of tree_code_name.
2717 * cp/lex.c (init_lex): Update for tree_code_* changes.
2718 * objc/objc-act.c (init_objc): Likewise.
2720 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
2723 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
2725 * config.sub: Add support for BeOS target.
2726 * configure.in: Likewise.
2727 * ginclude/stdarg.h: Likewise.
2728 * ginclude/stddef.h: Likewise.
2729 * ginclude/varargs.h: Likewise.
2730 * rs6000/beos.h: New file for BeOS.
2731 * rs6000/t-beos: Likewise.
2732 * rs6000/x-beos: Likewise.
2733 * rs6000/xm-beos.h: Likewise.
2734 * toplev.c (get_run_time): Just return 0 on BeOS.
2736 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
2737 Toon Moene (toon@moene.indiv.nluug.nl)
2739 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
2740 old and broken Sun3 assemblers. Newer versions handle large
2741 offsets correctly as does the GNU assembler.
2743 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2745 * objc/objc-act.c (lang_report_error_function): Disable.
2746 * objc/objc-parse.y: Include "output.h".
2747 (yyerror): Remove redundant decl.
2748 (yyprint): Fix prototype.
2749 (apply_args_register_offset): Remove redundant decl.
2750 (get_file_function_name): Likewise.
2752 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
2754 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
2756 (find_basic_blocks_1): Likewise.
2758 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
2760 * except.c (use_eh_context): Don't copy_rtx a REG.
2761 (emit_throw): Lose old unwinder support.
2762 (expand_internal_throw): Likewise.
2763 * libgcc2.c (struct eh_context): Likewise.
2764 (new_eh_context): Likewise.
2765 (__get_eh_info): Lose redundant cast.
2766 (__get_dynamic_handler_chain): Likewise.
2767 (__get_saved_pc): Lose.
2768 Lose all old unwinder support code.
2770 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
2772 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
2774 * integrate.c (expand_inline_function): If the inline fn uses eh
2775 context, make sure that the current fn has one.
2776 * toplev.c (rest_of_compilation): Call emit_eh_context.
2777 * except.c (use_eh_context): New fn.
2778 (get_eh_context_once): New fn.
2779 (call_get_eh_context): New fn.
2780 (emit_eh_context): New fn.
2781 (get_eh_context): Call either get_eh_context_once or
2782 call_get_eh_context, depending on what we have.
2783 (get_dynamic_handler_chain): Call get_eh_context_once.
2784 * except.h: Prototypes for fns above.
2785 * optabs.c (get_eh_context_libfunc): Removed.
2786 (init_optabs): Don't initialize it.
2787 * expr.h (get_eh_context_libfunc): Removed.
2788 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
2789 * config/pa/pa.h (CPP_SPEC): Support for -threads.
2790 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
2791 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
2792 New multilib for -threads.
2793 * config/sparc/t-sol2: Added multilibs for -threads and
2794 made -pthreads alias to it.
2795 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
2796 Added -threads and -pthreads options.
2797 * libgcc-thr.h: New file.
2798 * libgcc2.c: (__get_cpp_eh_context): Removed.
2799 (struct cpp_eh_context): Removed.
2800 (struct eh_context): Replaced cpp_eh_context with generic language
2802 (__get_eh_info): New function.
2803 (__throw): Check eh_context::info.
2805 * libgcc2.c: Include libgcc-thr.h.
2806 (new_eh_context, __get_eh_context,
2807 eh_pthread_initialize, eh_context_initialize, eh_context_static,
2808 eh_context_specific, eh_context_free): New functions.
2809 (get_eh_context, eh_context_key): New variables.
2810 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
2811 get_eh_context to get the context.
2812 (longjmp): Move the declaration inside
2813 #ifdef DONT_USE_BUILTIN_SETJMP.
2814 * frame.c: Include libgcc-thr.h.
2815 (object_mutex): Mutex to protect the object list.
2816 (find_fde, __register_frame, __register_frame_table,
2817 __deregister_frame): Hold the lock while accessing objects.
2818 * except.h (get_eh_context): Declare.
2819 * except.c (current_function_ehc): Define.
2820 (current_function_dhc, current_function_dcc): Removed.
2821 (get_eh_context): New function.
2822 (get_dynamic_handler_chain): Use get_eh_context.
2823 (get_saved_pc_ref): Ditto.
2824 (get_dynamic_cleanup_chain): Removed references to
2825 current_function_dcc.
2826 (save_eh_status, restore_eh_status): Save and restore
2827 current_function_ehc instead.
2828 * optabs.c (get_eh_context_libfunc): New variable.
2829 (init_optabs): Initialize it.
2830 * expr.h: Declare get_eh_context_libfunc.
2831 * function.h (struct function): Replaced dhc and dcc with ehc.
2832 * except.c (get_saved_pc_ref): New functions.
2833 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
2834 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
2836 (end_eh_unwinder): Likewise.
2837 (init_eh): Remove initialization of eh_saved_pc.
2838 * optabs.c (get_saved_pc_libfunc): New variable.
2839 (init_optabs): Initialize it.
2840 * expr.h: Declare get_saved_pc_libfunc.
2841 * except.h (eh_saved_pc_rtx): Deleted.
2842 (get_saved_pc_ref): Declared.
2844 From Scott Snyder <snyder@d0sgif.fnal.gov>:
2845 * libgcc2.c (__get_saved_pc): New.
2846 (__eh_type, __eh_pc): Deleted.
2847 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
2848 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
2851 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
2853 * sparc/sol2.h: Use 64 bit multiply and divide functions in
2854 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
2857 * rtl.h (global_rtl): New variable, replacing separate variables for
2859 (const_int_rtx): Now array of rtx_def, not rtx.
2860 * emit-rtl.c: Update for new rtl data structures.
2861 * genattrtab.c: Define global_rtl.
2863 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
2865 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
2868 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
2870 * crtstuff.c (__do_global_ctors): Fix typo.
2872 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
2874 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
2875 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
2877 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
2879 * rs6000.h (FUNCTION_ARG_PADDING): Define.
2880 * rs6000.c (function_arg_padding): New function.
2882 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
2884 * m68k.c: Include tree.h only once.
2886 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2888 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
2890 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
2892 * Partially cleaned up prototyping code from HJ.
2893 * tree.h: Add many prototypes.
2894 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
2895 All references changed.
2896 * rtl.h: Protect from multiple inclusions. Add many prototypes.
2898 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
2900 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
2901 string functions like strlen.
2903 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
2905 * configure.in: Check for functions getrlimit and setrlimit.
2906 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
2907 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
2909 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
2911 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
2913 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
2915 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
2918 * alpha.c (override_options): Don't know about scheduling for EV6.
2919 * alpha.md (ev5 function units): Don't overload as ev6.
2921 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
2922 * alpha.md (define_attr type): Add mvi.
2923 (ev5_e0): Define sceduling parameters for it.
2924 (TARGET_MAX insns): Type is mvi not shift.
2926 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
2928 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
2930 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2932 * cstamp-h, auto-config.h: Delete.
2934 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
2936 * version.c: Bump for snapshot.
2938 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
2940 * cccp.c: Fix typo brought over in merge.
2942 * Merge in changes from gcc-2.8.
2944 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
2946 * m68k.c: Include tree.h for dwarf2out_cfi_label.
2948 * gcc.c (process_command): Do not take address of function fatal when
2949 calling lang_specific_driver.
2951 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
2953 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
2954 doesn't work with it yet, so set it to 0.
2955 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
2957 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2959 * cse.c (cse_insn): Check for invalid entries when taking references.
2961 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2963 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
2964 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
2965 * toplev.c (rest_of_compilation): Pass it. Remove code to
2966 save / clear / restore flag_unroll_{,all_}loops.
2968 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
2970 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
2972 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
2974 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
2976 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
2978 * except.c (get_dynamic_handler_chain): Only make the call once per
2981 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
2983 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2985 * sh.c (final_prescan_insn): Use local label prefix
2986 when emitting .uses pseudo-ops.
2988 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
2990 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
2991 * except.c: Lose outer_context_label_stack.
2992 (expand_eh_region_end): Rethrow from outer_context here.
2993 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
2994 (expand_internal_throw): Take no args.
2995 (expand_internal_throw_indirect): Lose.
2996 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
2997 (expand_start_all_catch): Start a rethrow region.
2998 (expand_end_all_catch): End it.
2999 (expand_rethrow): New fn.
3000 * except.h: Reflect above changes.
3001 * flow.c: Revert change of Nov 27.
3003 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
3005 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
3007 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3009 * except.c (expand_fixup_region_end): New fn.
3010 (expand_fixup_region_start): Likewise.
3011 (expand_eh_region_start_tree): Store cleanup into finalization here.
3012 * stmt.c (expand_cleanups): Use them to protect fixups.
3014 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
3016 * mips/mips.md (muldi3_r4000): Broaden the output template
3017 and attribute assignments to handle three operand dmult;
3018 rename to muldi3_internal2.
3019 (muldi3): Call the new muldi3_internal2 for R4000, and
3020 any GENERATE_MULT3 chip.
3022 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3024 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
3026 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
3028 * unroll.c (find_splittable_givs): Remove last change. Handle givs
3029 with a dest_reg that was created by loop.
3031 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
3033 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
3035 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
3037 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
3039 * configure.in: Fix NCR entries.
3041 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
3043 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
3044 nested exceptions correctly.
3046 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
3047 that was created by loop.
3049 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3051 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
3053 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
3055 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
3057 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
3058 (print_operand): Use SMALL_DATA_REG for the register involved in
3059 small data relocations.
3060 (print_operand_address): Ditto.
3062 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
3063 -dynamic linker is not used.
3065 * rs6000.md (call insns): For local calls, use @local suffix under
3066 System V. Don't use @plt under Solaris.
3068 * rs6000.c (output_function_profiler): Put label address in r0, and
3069 store LR in 4(sp) for System V/eabi.
3071 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
3072 byte boundary, and maintain stack backchain.
3074 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
3076 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
3077 fix_truncsfdi2): Change *.
3079 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
3081 * toplev.c (main): Complain about -gdwarfn.
3083 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
3085 * dwarfout.c (output_type): If finalizing, write out nested types
3086 of types we've already written.
3088 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
3090 (patches originally from Geoffrey Keating)
3091 * rs6000.c (function_arg): Excess floating point arguments don't
3092 go into GPR registers after exhausting FP registers under the
3094 (function_arg_partial_nregs): Ditto.
3096 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
3099 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
3101 * integrate.c (output_inline_function): Just unset DECL_INLINE.
3103 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
3105 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
3108 * libgcc2.c (__throw): Initialize HANDLER.
3110 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
3112 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
3113 fix_truncsfdi2): Change *X to ?*X.
3115 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
3117 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
3119 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
3121 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
3123 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
3125 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
3127 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
3129 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
3130 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
3133 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
3135 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
3136 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
3137 gas and not using the new HP assembler.
3139 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
3141 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
3142 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
3144 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
3146 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
3147 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
3150 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3152 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
3154 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3156 * except.h: Add outer_context_label_stack.
3157 * except.c: Likewise.
3158 (expand_start_all_catch): Push the outer_context for the try block
3159 onto outer_context_label_stack.
3160 (expand_end_all_catch): Use it and pop it.
3162 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
3164 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
3166 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
3168 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
3170 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
3172 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
3173 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
3175 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
3177 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
3178 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
3179 __builtin_delete, and __builtin_vec_delete.
3181 * except.c (output_exception_table): Don't bother with
3184 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
3186 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
3187 is an in/out operand.
3188 (zero extended variants of stwm/stwm patterns): Similarly.
3190 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
3192 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
3194 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
3196 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
3197 (output_call_frame_info): Emit a \n after using it.
3199 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
3201 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
3203 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
3205 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
3206 (ASM_OUTPUT_DWARF_VALUE4): New macro.
3207 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
3209 (output_call_frame_info): Do not output forward label differences
3210 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
3211 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
3213 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3215 * sh.md (attribute "type"): Add nil.
3216 (movsi_ie): y/y alternative is type nil.
3217 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
3219 (movsf_ie+1): Delete.
3221 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
3223 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
3224 large_int, emit two insns instead of one splitable insn.
3225 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
3226 from cfa_temp_value, use cfa_offset. Add assert checking that
3229 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
3231 * cccp.c (deps_output): Properly quote file names for make.
3233 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
3235 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
3237 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
3239 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
3241 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
3243 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
3245 (cse_end_of_basic_block): Similarly.
3247 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
3249 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
3250 (SELECT_RTX_SECTION): Define.
3251 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
3253 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
3255 * Makefile.in (compare, compare-lean): Define $stage for each
3257 (gnucompare, gnucompare-lean): Likewise.
3259 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
3261 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
3263 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
3264 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
3266 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
3268 * dwarfout.c (byte_size_attribute): Add local var upper_bound
3269 and add case to handle STRING_TYPE.
3270 * dwarfout.c (output_string_type_die): Fix code to generate
3271 correct string length attribute for fixed length strings.
3272 Still needs support for varying length strings.
3274 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
3276 * toplev.c (get_run_time): Do something sensible for cygwin32.
3278 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
3280 * expr.c (expand_builtin_setjmp): Set
3281 current_function_has_nonlocal_label.
3282 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
3283 call-saved registers across calls.
3285 * alpha.md (exception_receiver): Remove.
3286 (nonlocal_goto_receiver_osf): New
3287 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
3288 (nonlocal_goto_receiver): New, select _osf or _vms.
3290 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
3291 keep them from being propogated to the object file.
3292 (alpha_write_linkage): Likewise.
3293 * alpha.md (call_vms): Likewise.
3294 (call_value_vms): Likewise.
3295 (unnamed osf call insns): Likewise.
3297 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
3298 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3300 * alpha.c (call_operand): Any reg is valid for WinNT.
3301 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
3302 (anon nt calls): Add 'R' alternative.
3303 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
3304 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
3306 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
3308 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
3310 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
3311 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
3312 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
3314 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
3316 * reload1.c (new_spill_reg): Improve fixed or forbidden register
3317 spill error message.
3319 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3321 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
3322 use varargs.h. Wrap header with <>, not "".
3324 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
3326 * integrate.c (save_for_inline_copying): Add return value from
3329 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
3331 * fixincludes: Be a little more restrictive on what we will
3332 substitute to replace definitions of MAXINT for HPUX.
3334 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
3336 * dbxout.c (dbxout_symbol_location): Don't assume that variables
3337 whose address is the stack or argument pointers are indirect
3340 1997-11-13 Paul Eggert <eggert@twinsun.com>
3342 * cccp.c, cpplib.c (compare_defs):
3343 Don't complain about arg name respellings unless pedantic.
3344 * cpplib.c (compare_defs): Accept pfile as new arg.
3345 All callers changed.
3347 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3349 * fold-const.c (fold_truthop): Fix bug in last change.
3351 1997-11-13 Paul Eggert <eggert@twinsun.com>
3353 Fix some confusion with IEEE minus zero.
3355 * real.h (REAL_VALUES_IDENTICAL): New macro.
3357 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
3358 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
3360 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
3361 same tree structure as 0.0.
3363 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
3364 macro instead of doing it by hand.
3366 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
3368 * v850/lib1funcs.asm: Minor whitespace changes.
3369 * v850.c: Fix minor formatting problems in many places.
3370 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
3372 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
3374 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
3375 xplus1 when xplus0 is not a register.
3377 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
3379 * flow.c (find_basic_blocks): During marking phase, if we encounter
3380 an insn with a REG_LABEL note, make the target block live and
3381 create an edge from the insn to the target block. Do not make
3382 edges from all blocks to the target block.
3384 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
3386 * confiugre.in: Tweak NCR entries.
3387 * configure: Rebuilt.
3389 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
3391 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
3392 pick apart floating point values, instead of using CONST_DOUBLE_LOW
3393 and CONST_DOUBLE_HIGH.
3395 * rs6000.md (define_splits for DF constants): Use the appropriate
3396 REAL_VALUE_* interface to pick apart DF floating point constants in
3397 a machine independent fashion.
3399 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3401 * fold-const.c (fold_truthop): When changing a one-bit comparison
3402 against zero into a comparison against mask, do a proper sign
3405 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
3407 * except.c: Do not include "assert.h".
3408 (save_eh_status): Turn asserts into conditional aborts.
3409 (restore_eh_status, scan_region): Likewise.
3410 * dwarfout.c: Do not include "assert.h".
3411 (bit_offset_attribute): Turn asserts into conditional aborts.
3412 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
3413 (output_inlined_structure_type_die): Likewise.
3414 (output_inlined_union_type_die): Likewise
3415 (output_tagged_type_instantiation): Likewise.
3416 (dwarfout_file_scope_decl): Likewise.
3417 * dwarf2out.c: Do not include "assert.h"
3418 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
3419 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
3420 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
3421 (add_bit_size_attribute, scope_die_for): Likewise.
3422 (output_pending_types_for_scope): Likewise.
3423 (get_inlined_enumeration_type_die): Likewise.
3424 (get_inlined_structure_type_die): Likewise.
3425 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
3426 (gen_tagged_type_instantiation_die): Likewise.
3428 * flow.c (find_basic_blocks): Refine further to get a more correct
3429 cfg, especially in the presense of exception handling, computed
3430 gotos, and other non-trivial cases. Call abort if an inaccuracy
3431 is detected in the cfg.
3433 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3435 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
3437 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
3438 (skip_white_space): Use whitespace_cr.
3439 (check_newline): Handle whitespace more consistently.
3441 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
3443 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
3444 * i386/xm-cygwin32.h (POSIX): Define.
3446 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
3448 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
3449 is available elsewhere.
3451 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
3453 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
3454 what the instruction can handle.
3456 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
3458 * stmt.c (expand_decl_cleanup_no_eh): New fn.
3460 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
3462 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
3464 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
3465 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
3467 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
3469 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
3470 swap instruction order.
3472 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
3474 * fixinc.svr4 (__STDC__): Add another case.
3476 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3478 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
3479 addresses in the epilogue delay slot.
3481 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
3483 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
3484 in generated `specs' file.
3486 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
3488 * flags.h (flag_rerun_loop_opt): Declare.
3489 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
3490 * toplev.c (flag_rerum_loop_opt): Delete static.
3492 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3494 Bring over from FSF:
3496 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3498 * va-sh.h (__va_arg_sh1): Define.
3500 SH3E doesn't use any integer registers for subsequent arguments
3501 once a non-float value was passed in the stack.
3502 * sh.c (machine_dependent_reorg): If optimizing, put explicit
3503 alignment in front label for ADDR_DIFF_VEC.
3504 * sh.h (PASS_IN_REG_P): Fix SH3E case.
3505 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
3507 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3509 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
3512 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3514 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
3515 put an use_sfunc_addr before each sfunc.
3516 * sh.md (use_sfunc_addr, dummy_jump): New insns.
3517 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
3519 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3521 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
3523 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
3525 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
3528 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
3530 * alias.c (find_base_value): Only return the known base value for
3533 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
3535 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
3536 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
3538 (prologue_get_pc_and_set_got): New pattern.
3540 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
3542 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
3543 for SUBREG, just fall through.
3545 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
3547 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
3549 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
3551 * fixincludes: Fix "hypot" prototype in NeXT math.h.
3553 * Makefile.in (USE_ALLOCA): Always include alloca.o.
3554 (USE_HOST_ALLOCA): Likewise.
3556 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
3557 and LABEL_REFS fields.
3558 * rtl.h (LABEL_REFS): Update.
3560 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
3562 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
3563 sets i2dest. When calling distribute_notes for i3dest_killed, pass
3564 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
3567 * mips.md (insv, extzv, extv): Add change_address call.
3568 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
3570 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
3572 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
3574 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
3575 save_restore_insns if no FP and GP will be restored.
3577 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
3578 Convert CCmode to word_mode before calling GET_MODE_SIZE.
3580 * acconfig.h (HAVE_INTTYPES_H): Undef.
3581 * configure.in (inttypes.h): Check for conflicts between sys/types.h
3582 and inttypes.h, and verify that intmax_t is defined.
3583 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
3584 * config/mips/x-iris3: Likewise.
3586 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
3588 * alias.c (find_base_value): When copying arguments, return the
3589 tenative value for a hard register.
3591 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
3593 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
3594 (yylex): Record wide strings using target endianness, not host.
3596 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
3598 * mn10200.h (ASM_OUTPUT_BSS): Delete.
3599 (ASM_OUTPUT_ALIGNED_BSS): New macro
3600 * mn10300.h (ASM_OUTPUT_BSS): Delete.
3601 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3602 * v850.h (ASM_OUTPUT_BSS): Delete.
3603 (ASM_OUTPUT_ALIGNED_BSS): New macro.
3605 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3607 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
3609 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
3611 * configure.in (sco5): Use cpio to install header files.
3613 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
3615 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
3617 * configure: Rebuild.
3619 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
3621 * i386/sco5.h: enable -gstabs once again.
3623 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
3625 * arm.c (output_move_double): Allocate 3 entries in otherops array.
3627 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
3629 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
3630 notes for sjlj exceptions too.
3631 (expand_eh_region_end): Similarly for EH_REGION_END notes.
3632 (exception_optimize): Optimize EH regions for sjlj exceptions too.
3633 * final.c (final_scan_insn): Don't output labels for EH REGION
3634 notes if doing sjlj exceptions.
3636 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
3638 * alias.c (init_alias_analysis): Handle -fno-alias-check when
3639 optimizing correctly.
3641 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
3642 or set current_function_calls_setjmp anymore.
3644 * flow.c (find_basic_blocks): If we delete the label for an
3645 exception handler, remove it from the EH label list and remove
3646 the EH_BEGIN/EH_END notes for that EH region.
3648 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
3650 * flow.c (find_basic_blocks): Generate correct flow control
3651 information when exception handling notes are present.
3653 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
3655 * dwarf2out.c (output_call_frame_info): Fix length argument
3656 to ASM_OUTPUT_ASCII.
3657 (output_die, output_pubnames, output_line_info): Likewise.
3659 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
3661 * version.c: Bump for snapshot.
3663 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
3664 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
3665 flag_debug_asm is on.
3666 (output_die, output_pubnames, output_line_info): Likewise.
3668 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
3669 and static_chain_rtx into the potential base values array if
3672 * alias.c (new_reg_base_value): New array of potential base values.
3673 (unique_id): Now file scoped static.
3674 (find_base_value, case REG): Return the value in reg_base_value
3675 array for the REG if it exists. Else, return the value from
3676 new_reg_base_value if copying args and REG is a hard register.
3677 (find_base_value, case PLUS): If either operand of the PLUS is
3678 a REG, try to get its base value. Handle base + index and
3680 (record_set): Use new_reg_base_value instead of reg_base_value.
3681 (init_alias_analysis): Allocate space for new_reg_base_value too.
3682 Rework code to iterate over the insns propagating base value
3683 information until nothing changes.
3685 * global.c (global_alloc): Free the conflict matrix after
3686 reload has finished.
3688 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
3690 * libgcc2.c (L_eh): Define __eh_pc.
3691 Replace __eh_type with generic pointer __eh_info.
3693 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
3695 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
3696 use copy_to_reg if address is not a general_operand.
3698 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3700 * profile.c (output_func_start_profiler): Clear flag_inline_functions
3701 for the duration of the call to rest_of_compilation.
3703 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
3705 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
3707 (sparc*-*-*): Recognize --with-cpu=v9.
3708 * sparc/elf.h: New file.
3709 * sparc/t-elf: New file.
3711 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
3713 * mn10300.c (const_8bit_operand): New function.
3714 (mask_ok_for_mem_btst): New funtion.
3715 * mn10300.md (btst patterns with mem operands): Use new functions
3716 to avoid creating btst instructions with invalid operands.
3718 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
3720 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
3721 are running on PowerPC Linux.
3723 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
3725 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
3726 if not previously defined.
3728 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
3730 * function.c (assign_parms): Correct mode of stack_parm if
3731 entry_parm underwent a mode conversion.
3733 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
3735 * global.c (global_alloc): Use xmalloc instead of alloca for
3736 CONFLICTS, since max_allocno * allocno_row_words alone can be more
3737 than 2.5Mb sometimes.
3739 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
3741 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
3742 DEST for the spill, adjust mode of SRC to compensate.
3744 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
3746 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
3747 since any_memory_operand() allows pseudos during reload.
3748 (reload_inhi, reload_outqi, reload_outhi): Likewise.
3750 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
3752 * m68k.md (btst patterns): Add 5200 support.
3754 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
3756 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
3757 optimizations, look inside dividend to determine if the expression
3758 can be simplified by using EXACT_DIV_EXPR.
3760 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
3763 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
3765 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
3767 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
3769 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
3771 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
3774 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
3776 * alpha.md (movqi, movhi): Make sure new insns created during reload
3777 won't need reloading themselves.
3778 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
3780 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
3782 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
3784 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
3786 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
3787 Patch from Klaus Kaempf <kkaempf@progis.de>.
3789 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
3791 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
3792 to an element in a constant string.
3794 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
3796 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
3797 bit PC-relative offset. The exception range table pointer is now in
3799 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
3800 (count_fdes, add_fdes, get_cie): Adjust.
3801 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
3804 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
3806 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
3808 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
3809 like stack_pointer_rtx.
3811 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
3813 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
3814 targets using "$@" to provide support for similar but not identical
3815 targets without having to duplicate code.
3816 (bootstrap4): New goal.
3818 * Makefile.in (compare, compare-lean, compare3): Combined to one
3819 ruleset determining actions to be performed via $@.
3820 (compare4, compare4-lean): New targets.
3821 (gnucompare, gnucompare3): Combined to one ruleset determining
3822 actions to be performed via $@. Also, note which files failed
3823 the comparison test in .bad_compare.
3824 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
3826 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
3828 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
3829 if the dividend is a multiple of the divisor.
3831 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
3833 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
3835 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
3838 * alias.c (true_dependence): Fix typo.
3840 * toplev.c (flag_rerun_loop_opt): New variable.
3841 (f_options): Handle -frerun-loop-opt.
3842 (rest_of_compilation): If -frerun-loop-opt, then run the loop
3844 (main): Enable -frerun-loop-opt by default for -O2 or greater.
3846 * loop.c (simplify_giv_expr): Adding two invariants results
3849 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
3851 * expr.c (get_inner_reference): Remove the array bias after
3852 converting the index to Pmode.
3854 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
3856 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
3857 (TARGET_MULT_BUG): Define.
3858 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
3859 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
3861 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
3863 * mn10200.c (indirect_memory_operand): Delete unused function.
3864 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
3865 * mn10200.md (bset, bclr insns): Handle output in a reg too.
3867 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
3869 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
3870 the callee's ldgp, we must do it ourselves, and we use the jsr tag
3871 for more than scheduling.
3873 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
3875 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
3877 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
3879 * mn10300.c (symbolic_operand, legitimize_address): New functions.
3880 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
3881 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
3883 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
3885 * version.c: Bump for snapshot.
3887 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3889 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
3892 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
3894 * toplev.c (flag_exceptions): Default value is 2.
3895 (compile_file): If flag_exceptions still has the value 2, then
3898 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
3899 (rs6000_save_machine_status): Save pic_offset_table_rtx.
3900 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
3902 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
3905 * rs6000.md (*movsi_got_internal_mem): New pattern.
3906 (*movsi_got_internal_mem splitter): New define_split.
3908 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
3910 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
3912 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3914 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
3915 only need to save LR.
3917 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
3919 * mn10300.md (movqi, movhi): Avoid using address registers as
3920 destinations unless absolutely necessary.
3922 * mn10200.c (expand_prologue): Fix typo.
3924 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
3926 * mn10200.md (neghi2): Provide an alternative which works if
3927 the input and output register are the same.
3929 * mn10300.c (print_operand): Handle 'S'.
3930 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
3931 shift amount in last alternative
3933 * mn10300.c (expand_epilogue): Rework to handle register restores
3934 in "ret" and "retf" instructions correctly.
3936 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
3938 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
3939 extzv for memory operands.
3941 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
3942 redundant conditional moves to single operand.
3944 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
3946 * v850.h: Move define of __v850__ from CPP_PREDEFINES
3949 * xm-v850.h: Use __v850 rather than __v850__ to
3952 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
3954 * mips/mips.c (compute_frame_size): Not a leaf function if
3957 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
3959 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
3961 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
3963 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
3964 (DEFAULT_ARCH32_P): New macro.
3965 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
3966 (enum cmodel): Declare.
3967 (sparc_cmodel_string,sparc_cmodel): Declare.
3968 (SPARC_DEFAULT_CMODEL): Provide default.
3969 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
3970 (TARGET_FULLANY): Deleted.
3971 (TARGET_CM_MEDMID): New macro.
3972 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
3973 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
3974 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
3975 (CPP_SPEC): Rewrite.
3976 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3977 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
3978 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
3979 (ASM_SPEC): Add %(asm_arch).
3980 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
3981 Rename asm_default to asm_cpu_default.
3982 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
3983 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
3984 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
3985 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
3986 (MASK_INT64,MASK_LONG64): Delete.
3987 (MASK_ARCH64): Renamed to MASK_64BIT.
3988 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
3989 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
3990 (TARGET_SWITCHES): Always provide 64 bit options.
3991 (ARCH64_SWITCHES): Delete.
3992 (TARGET_OPTIONS): New option -mcmodel=.
3993 (INT_TYPE_SIZE): Always 32.
3994 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
3995 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
3996 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
3997 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
3998 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
4000 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4001 * sparc/linux.h: Likewise.
4002 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
4003 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
4004 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
4005 (SPARC_DEFAULT_CMODEL): Define.
4006 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4007 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4008 (LONG_DOUBLE_TYPE_SIZE): Define.
4009 (ASM_SPEC): Add %(asm_arch).
4010 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4011 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4012 (TARGET_CPU_DEFAULT): Add ultrasparc case.
4013 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
4014 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
4015 (SPARC_DEFAULT_CMODEL): Define.
4016 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
4017 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
4018 MASK_LONG64, MASK_MEDANY.
4019 (SPARC_DEFAULT_CMODEL): Define.
4020 (CPP_PREDEFINES): Delete.
4021 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
4022 (ASM_SPEC): Add %(asm_arch).
4023 (LONG_DOUBLE_TYPE_SIZE): Define.
4024 (DWARF2_DEBUGGING_INFO): Define.
4025 * sparc/splet.h (CPP_SPEC): Delete.
4026 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
4027 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
4028 (BLOCK_PROFILER): Likewise.
4029 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
4030 (sparc_override_options): Handle code model selection.
4031 (sparc_init_expanders): Renamed from sparc64_init_expanders.
4032 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
4033 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
4034 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
4035 (sethi_di_fullany): Delete.
4037 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
4038 Jeff Law <law@cygnus.com>
4039 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4041 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
4042 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
4043 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
4044 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
4045 * alpha/alpha.md (arg_home): Likewise.
4047 * alpha/alpha.c (vmskrunch): Delete
4048 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
4049 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
4050 truncate to 64 characters.
4052 * make-l2.com: Support openVMS/Alpha.
4054 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
4056 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4058 * longlong.h (count_leading_zeros): Add missing casts to USItype.
4060 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
4062 * i386/bsd386.h (ASM_COMMENT_START): Define.
4064 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
4066 * tree.c (restore_tree_status): Also free up temporary storage
4067 when we finish a toplevel function.
4068 (dump_tree_statistics): Print stats for backend obstacks.
4070 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
4072 * expr.c (use_group_regs): Don't call use_reg for MEMs.
4074 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
4076 * libgcc2.c (__throw): Don't copy the return address.
4077 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
4079 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
4080 * toplev.c (main): Initialize exceptions_via_longjmp.
4082 * tree.c: Add extra_inline_obstacks.
4083 (save_tree_status): Use it.
4084 (restore_tree_status): If this is a toplevel inline obstack and we
4085 didn't want to save anything on it, recycle it.
4086 (print_inline_obstack_statistics): New fn.
4087 * function.c (pop_function_context_from): Pass context to
4088 restore_tree_status.
4089 * obstack.h (obstack_empty_p): New macro.
4091 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
4093 * i386/freebsd.h (ASM_COMMENT_START): Fix.
4095 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
4097 * v850.c (ep_memory_offset): New function.
4098 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
4100 * v850.h (CONST_OK_FOR_*): Add and correct comments.
4101 (CONSTANT_ADDRESS_P): Add comment.
4102 (EXTRA_CONSTRAINT): Define 'U'.
4103 * v850.md: Add comments on bit field instructions.
4104 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
4105 (lshrsi3): Use N not J constraint.
4107 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
4109 * v850.c (reg_or_0_operand): Call register_operand.
4110 (reg_or_int5_operand): Likewise.
4111 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
4112 (TARGET_SWITCHES): Add "big-switch".
4113 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
4114 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
4115 (CASE_DROPS_THROUGH): Comment out.
4116 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
4117 * v850.md (cmpsi): Delete compare mode.
4118 (casesi): New pattern.
4120 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
4121 * v850.md (ashlsi3): Use SImode not QImode for shift count.
4122 (lshrsi3): Likewise.
4124 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
4125 unreachable switch statement after 'b' support. Remove "b" from
4126 strings for 'b' support.
4127 * v850.md (branch_normal, branch_invert): Change %b to b%b.
4129 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
4131 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
4132 empty line if @inhibit_libc@ is empty.
4134 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
4136 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
4137 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
4138 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
4139 (DWARF2_UNWIND_INFO): Let this track object file format.
4140 (EXTRA_SECTIONS): Add in_eh.
4141 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
4142 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
4144 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
4146 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
4147 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
4149 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
4150 (output_double_int): Output DI mode values correctly when
4151 HOST_BITS_PER_WIDE_INT is 64.
4152 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
4153 fmovd so it works if a quad float ends up in one of the upper 32
4155 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
4156 necessary for PIC support on sparc64.
4158 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
4160 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
4161 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
4162 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
4163 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
4164 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
4165 (SPARC_FP_ARG_FIRST): New macro.
4166 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
4167 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
4168 (NPARM_REGS): There are 32 fp argument registers now.
4169 (FUNCTION_ARG_REGNO_P): Likewise.
4170 (FIRST_PARM_OFFSET): Update to new v9 abi.
4171 (REG_PARM_STACK_SPACE): Define for arch64.
4172 (enum sparc_arg_class): Delete.
4173 (sparc_arg_count,sparc_n_named_args): Delete.
4174 (struct sparc_args): Redefine and use for arch32 as well as arch64.
4175 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
4176 (FUNCTION_ARG_ADVANCE): Rewrite.
4177 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
4178 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
4179 (FUNCTION_ARG_CALLEE_COPIES): Delete.
4180 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
4181 (STRICT_ARGUMENT_NAMING): Define.
4182 (doublemove_string): Declare.
4183 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
4184 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
4185 (doublemove_string): New function.
4186 (output_move_quad): Clean up some of the arch64 support.
4187 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
4188 Don't add 8 bytes of reserved space if arch64.
4189 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
4190 (init_cumulative_args): New function.
4191 (function_arg_slotno): New static function.
4192 (function_arg,function_arg_partial_nregs): New functions.
4193 (function_arg_{pass_by_reference,advance}): New functions.
4194 (function_arg_padding): New function.
4195 * ginclude/va-sparc.h: Rewrite v9 support.
4197 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
4199 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
4200 for hard regs to determine base and index registers.
4202 * reload.c (debug_reload_to_stream): New function. Specify stream
4203 into which to write debug info.
4204 (debug_reload): Modify to call debug_reload_to_stream with stderr.
4206 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
4208 * combine.c (can_combine_p): Don't combine with an asm whose
4209 output is a hard register.
4211 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
4213 * c-decl.c (start_struct): Ensure that structs with forward
4214 declarations are in fact packed when -fpack-struct is given.
4216 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
4217 we are packing a structure. This allows a structure with only
4218 bytes to be aligned on a byte boundary and have no padding on a
4221 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4223 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
4225 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
4227 * alpha.c (alpha_return_addr_rtx): New variable.
4228 (alpha_save_machine_status): New; save it.
4229 (alpha_restore_machine_status): New; restore it.
4230 (alpha_init_expanders): New; clear it.
4231 (alpha_return_addr): New; set it.
4232 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
4233 is overly conservative, so search the insns explicitly.
4234 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
4235 (alpha_sa_size [VMS && !VMS]): Likewise.
4236 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
4237 (INIT_EXPANDERS): New definition.
4239 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
4240 (output_prolog [!VMS]): Use them.
4242 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
4243 (alpha_does_function_need_gp): ... a new function. Refine the
4244 CALL_INSN test to just TYPE_JSR.
4245 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
4247 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
4249 * version.c: Bump for snapshot.
4251 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4253 * pa.c (move_operand): Respect -mdisable-indexing.
4254 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
4256 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
4258 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
4260 (umulsidi3,umulsi3_highpart): Ditto.
4261 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
4263 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
4265 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
4266 (alpha_handle_trap_shadows): ... a new function. Handle the entire
4267 function in one go. Emit RTL for trapb, instead of printf directly.
4268 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
4269 (trap_pending): Kill global variable.
4270 (output_epilog): Don't call final_prescan_insn.
4271 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
4272 * alpha.h (FINAL_PRESCAN_INSN): Remove.
4273 (MACHINE_DEPENENT_REORG): Define.
4274 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
4277 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
4279 Tune Haifa scheduler for Alpha:
4280 * alpha.h (ISSUE_RATE): Define.
4281 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
4282 EV4 adjustments to EV5.
4283 * alpha.md: Remove all scaling from function unit delays. Rework
4284 EV5 function units to match the CPU.
4285 (umuldi3_highpart): EV5 added the IMULH insn class.
4287 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
4289 * pa.c (following_call): Fail if the CALL_INSN is an indirect
4292 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
4294 * cplus-dem.c (demangle_signature): Don't look for return types on
4295 constructors. Handle member template constructors.
4297 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
4299 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
4300 * tree.h: Declare them.
4302 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
4304 * configure.in: Handle --with-newlib.
4305 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
4307 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
4309 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
4311 * config/ptx4.h: Fix typo.
4313 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
4315 * version.c: Bump for snapshot.
4317 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
4319 * aclocal.m4: Substitute INSTALL.
4320 * configure: Re-built.
4322 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
4324 * integrate.c (save_for_inline_copying): Avoid undefined pointer
4326 (expand_inline_function): Likewise.
4328 * dwarf2out.c (output_call_frame_info): Reinstate last change
4329 using flag_debug_asm check instead of flag_verbose_asm.
4331 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
4333 * dwarf2out.c (output_call_frame_info): Remove last change.
4335 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4337 * frame.c (__frame_state_for): Execute the FDE insns until the
4338 current pc value is strictly bigger than the target pc value.
4340 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
4342 * regclass.c (init_reg_modes): If we can't find a mode for the
4343 register, use the previous one.
4345 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
4347 * haifa-sched.c (print_block_visualization): Call fprintf directly,
4348 don't sprintf through an alloca'ed buffer.
4350 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
4352 * reload.c (decompose): Always initialize val.base.
4354 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
4356 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
4357 instead of aborting.
4358 * dwarf2out.c (output_call_frame_info): Call app_enable and
4359 app_disable to let GNU as accept the generated comments.
4361 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
4363 * tree.h (get_file_function_name): Add declaration.
4364 * dwarf2out.c (output_call_frame_info): No need to cast
4365 get_file_function_name call anymore.
4366 * profile.c (toplevel): Remove get_file_function_name
4368 * c-lang.c (finish_file): Ditto.
4370 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
4372 * Makefile.in (program_transform_name): Let autoconf substitute
4375 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
4377 * haifa-sched.c (schedule_block): If the first real insn in a
4378 block has any special notes attached to it, remove them.
4380 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
4382 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
4384 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
4386 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
4388 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
4390 * Makefile.in (check-g77): New test target.
4391 (CHECK-TARGETS): Add check-g77.
4393 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
4395 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
4397 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
4399 * flow.c (print_rtl_with_bb): Cast alloca return value for
4402 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
4404 * i386.h (RETURN_ADDR_RTX): New definition that works for
4405 __builtin_return_address(0) and -fomit-frame-pointer.
4407 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
4409 Bring over from FSF.
4410 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
4412 * mips.c (function_arg): Handle passing a struct
4413 containing a double in a DFmode register without the PARALLEL.
4415 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
4417 * pexecute.c: Use spawn if __CYGWIN32__.
4419 * pexecute.c: Include "config.h" first, as per autoconf manual
4420 (from Paul Eggert <eggert@twinsun.com>).
4422 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4424 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
4425 optimisation for f/expr.o and f/stb.o.
4427 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
4429 * cse.c (this_insn_cc0_mode): Initialize.
4431 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
4433 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
4435 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
4437 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
4439 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
4440 that pair will dual-issue on the 21164 and plus+beq won't.
4441 (bne): Likewise for cmpeq+beq.
4443 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
4445 * except.c (find_exception_handler_labels): Correct argument to free.
4447 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
4449 * except.c (find_exception_handler_labels): Free LABELS when we're
4452 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
4454 * version.c: Bump for snapshot.
4456 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
4458 * flow.c (find_basic_blocks): Mark calls as potentially jumping
4461 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
4463 * configure.in: Substitute for "install" too.
4464 * configure: Rebuilt.
4466 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
4468 * Makefile.in (bootstrap-lean, compare-lean): New targets.
4470 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
4472 * alias.c (base_alias_check): Two symbols can conflict if they
4473 are accessed via AND.
4474 (memrefs_conflict_p): Likewise.
4476 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
4477 after flushing argument registers to the stack.
4479 * Makefile.in (mostlyclean): Remove .regmove files.
4481 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4483 * libgcc2.c (__throw): Fix thinko.
4485 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
4487 * cplus-dem.c (demangle_template): Add new parameter. Handle new
4488 template-function mangling.
4489 (consume_count_with_underscores): New function.
4490 (demangle_signature): Handle new name-mangling scheme.
4492 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4494 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
4497 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
4499 * frame.c: Remove last change.
4500 * dwarf2.h: Remove last change.
4501 * tree.h: Add declarations of DWARF2 unwind info support
4504 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4506 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
4507 * tree.h (built_in_function): Likewise.
4508 * expr.c (expand_builtin): Likewise.
4509 * except.h: Likewise.
4510 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
4511 * libgcc2.c (copy_reg): New fn.
4514 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
4516 * c-typeck.c (build_binary_op): Warn about comparing signed vs
4517 unsigned if -W is specified and -Wno-sign-compare is not.
4518 * c-decl.c (warn_sign_compare): Initialize to -1.
4519 (c_decode_option): -Wall no longer implies -Wsign-compare.
4521 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4523 * frame.c: Include gansidecl.h for PROTO.
4524 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
4525 defined. Don't declare dwarf2out_cfi_label here.
4526 * dwarf2.h: Add declarations of DWARF2 unwind info support
4528 * m68k.c: Include dwarf2.h.
4529 (output_function_prologue): Add dwarf2 support.
4530 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
4531 (INCOMING_FRAME_SP_OFFSET): Likewise.
4533 * integrate.c (expand_inline_function): Make sure there is at
4534 least one insn that can be used as an insertion point.
4536 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
4538 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
4540 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
4542 * version.c: Bump for snapshot.
4544 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
4546 Bring over from FSF.
4548 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
4550 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
4551 (get_pc_via_rdpc): Renamed from get_pc_sp64.
4552 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
4554 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
4556 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
4557 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
4559 (sparc_align_{loops,jumps,funcs}_string): Declare.
4560 (sparc_align_{loops,jumps,funcs}): Declare.
4561 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
4562 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
4563 (STACK_BIAS): Define.
4564 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
4566 (SPARC_SETHI_P): New macro.
4567 (CONST_OK_FOR_LETTER_P): Use it.
4568 (ASM_OUTPUT_ALIGN_CODE): Define.
4569 (ASM_OUTPUT_LOOP_ALIGN): Define.
4570 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
4571 (sparc_align_{loops,jumps,funcs}): New globals.
4572 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
4574 (move_operand): Use SPARC_SETHI_P.
4575 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
4577 (arith11_double_operand): Likewise.
4578 (arith10_double_operand): Likewise.
4579 (finalize_pic): Finish sparc64 support.
4580 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
4581 64 bit constants if able.
4582 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
4583 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
4585 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
4586 (get_pc_sp32): Use for sparc64 as well.
4587 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
4588 (sethi_di_sp64_const): Likewise.
4589 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
4590 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
4591 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
4593 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
4595 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
4596 * sparc/linux.h (COMMENT_BEGIN): Likewise.
4597 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
4599 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
4601 Add sparc64 linux support.
4602 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
4603 to xm_file list on 32-bit sparc-linux.
4604 * sparc/xm-sp64.h: New file.
4605 * sparc/linux64.h: New file.
4606 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
4607 Don't include xm-sparc.h.
4608 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
4609 * glimits.h (LONG_MAX): Handle sparc64.
4611 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
4613 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
4614 * sparc.h (ASM_COMMENT_START): Define.
4615 * sparc.c (output_function_prologue): Use it.
4616 (sparc_flat_output_function_{epi,pro}logue): Likewise.
4618 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
4620 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
4621 use sparc.h's copies.
4622 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
4625 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4627 * sparc.c (dwarf2out_cfi_label): Add declaration.
4628 (save_regs, output_function_prologue): Remove cast for it.
4629 (sparc_flat_{save_restore,output_function_prologue): Likewise.
4630 ({save,restore}_regs): No longer inline.
4632 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4634 * fold-const.c (make_range): Correctly handle cases of converting
4635 from unsigned to signed type.
4637 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4639 * fold-const.c (merge_ranges): Make sure that if one range is subset
4640 of another, it will always be the second range. Correct (+,-) case to
4643 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
4645 * final.c (final_end_function): Also do dwarf2 thing if
4646 DWARF2_DEBUGGING_INFO.
4647 (final_start_function): Likewise.
4649 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
4651 * expmed.c (expand_divmod): If compute_mode is not the same as
4652 mode, handle the case where convert_modes() causes op1 to no
4653 longer be a CONST_INT.
4655 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
4656 note holding get_jump_flags() calculation to all JUMP_INSNs.
4657 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
4658 * rtl.c (reg_note_name): Add new note types.
4660 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
4662 * rtlanal.c (computed_jump_p): Fix typo in last change.
4664 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4666 * loop.c (indirect_jump_in_function_p): Return 0
4669 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
4671 * rs6000/xm-rs6000.h: Fix thinko in last change.
4672 * rs6000/xm-sysv4.h: Likewise.
4674 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
4676 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
4678 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
4680 * reg-stack.c (find_blocks): Fix thinko in last change.
4682 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4684 * m68k.c (output_function_prologue): Add dwarf2 support.
4686 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
4687 INCOMING_FRAME_SP_OFFSET): New definitions.
4689 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
4691 * combine.c (try_combine): Use NULL_RTX instead of '0' where
4692 appropriate in calls to gen_rtx().
4693 * cse.c (cse_main): Likewise.
4694 * emit-rtl.c (gen_label_rtx): Likewise.
4695 * expr.c (init_expr_once): Likewise.
4696 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
4697 sched_analyze, init_rgn_data_dependences,
4698 compute_block_backward_dependences): Likewise.
4699 * sched.c (schedule_insns): Likewise.
4700 * varasm.c (immed_double_const): Likewise.
4702 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
4703 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
4705 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
4707 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
4708 (MULTILIB_DEFAULTS): Define.
4709 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
4710 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
4711 (LIBGCC_SPEC): Likewise.
4712 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
4713 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
4714 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
4715 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
4716 (EXTRA_PARTS, TAROUTOPTS): Delete.
4717 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
4718 (MULTILIB_OPTIONS): Define.
4719 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
4720 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
4722 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
4724 * version.c: Bump for snapshot.
4726 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
4728 * loop.c (loop_number): Delete function. Change all references
4729 to use uid_loop_num array.
4730 * loop.h (loop_number): Delete declaration.
4731 * unroll.c (unroll_loop): Change "loop_number" references to
4732 use uid_loop_num instead.
4734 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
4736 (loop_unroll_iter): Remove unused variable and all references.
4737 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
4738 (insert_bct): Fix minor formatting problems.
4739 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
4740 (loop_unroll_iter): Removed unused decl.
4741 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
4742 Always record the unrolling factor.
4744 * cse.c (simplify_relational_operation): Set h0u just like h0s.
4745 Similarly for h1u and h1s.
4747 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
4748 (find_basic_blocks): Use computed_jump_p to determine if a
4749 particular JUMP_INSN is a computed jump.
4750 * reg-stack.c (find_blocks): Use computed_jump_p to determine
4751 if a particular JUMP_INSN is a computed jump.
4752 * rtlanal.c (jmp_uses_reg_or_mem): New function.
4753 (computed_jump_p): Likewise.
4754 * rtl.h (computed_jump_p): Declare.
4755 * genattrtab.c (pc_rtx): Define and initialize.
4756 * loop.c (loop_optimize): Always determine if the current
4757 function has a computed jump.
4758 (indirect_jump_in_function_p): Use computed_jump_p to determine
4759 if a particular JUMP_INSN is a computed jump.
4761 * loop.c (fix_bct_param): Delete unused function.
4762 (check_bct_param): Likewise.
4764 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
4766 * frame.c (__deregister_frame): Check properly for initialized object.
4768 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4770 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
4772 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4774 * jump.c (thread_jumps): check can_reverse_comparison_p before
4775 threading a reversed-condition jump.
4777 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
4778 * haifa-sched.c (update_flow_info): Likewise.
4780 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
4782 * Makefile.in (BOOT_CFLAGS): Use -O2.
4784 * configure.in (strtoul, bsearch): Have autoconf check for these
4786 * configure, config.in: Rebuilt.
4788 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
4789 * mips/mips.h (alloca): Likewise.
4790 * rs6000/xm-rs6000.h (alloca): Likewise.
4791 * rs6000/xm-sysv4.h: Likewise.
4793 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
4795 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
4796 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
4797 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
4799 * except.c (end_eh_unwinder): Subtract 1 from return address.
4800 * libgcc2.c (__throw): Likewise.
4801 (find_exception_handler): Don't change PC here. Compare end with >.
4803 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
4805 * v850.c (compute_register_save_size): Correct register
4807 * v850.md (save_interrupt, return_interrupt): Correct
4809 * v850/lib1funcs.asm (save_interrupt): Correct register number.
4810 (return_interrupt): Use stack pointer, not element pointer.
4812 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
4814 * configure.in, configure: Make sure to create the stage* and include
4815 symbolic links in each subdirectory.
4817 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
4819 * pa.md (reload_peepholes): Don't allow addresses with side
4820 effects for the memory operand.
4822 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
4824 * libgcc2.c (find_exception_handler): Subtract one from our PC when
4825 looking for a handler, to avoid hitting the beginning of the next
4828 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
4830 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
4832 * mips/abi64.h (LONG_MAX_SPEC): Define.
4833 * mips.h (LONG_MAX_SPEC): Define.
4834 (CPP_SPEC): Include long_max_spec.
4835 (EXTRA_SPECS): Include long_max_spec.
4837 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
4839 * v850.c (construct_save_jarl): Fix thinko in last change.
4841 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
4843 * version.c: Bump for snapshot.
4845 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
4847 * libgcc2.c (find_exception_handler): Not found is -1.
4849 * integrate.c (expand_inline_function): Move expand_start_bindings
4850 after expanding the arguments.
4852 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
4854 * expr.c (expand_expr): Remove previous incorrect change.
4855 If target and slot has no DECL_RTL, then call mark_addressable
4856 again for the slot after we give it RTL.
4858 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
4860 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4861 again for the slot after we give it RTL.
4863 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
4865 * v850.c (register_is_ok_for_epilogue,
4866 pattern_is_ok_for_epilogue, construct_restore_jr,
4867 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
4869 * v850.h (pattern_is_ok_for_prologue,
4870 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
4873 * v850.md: Replace prologue and epilogue patterns with a
4874 match_parallel pattern.
4876 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
4878 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
4879 * configure.in: Use EGCS_PROG_INSTALL.
4881 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
4883 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
4884 extern inline function.
4886 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
4888 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
4889 (concat_loc_descriptor): New function.
4890 (loc_descriptor): Call it.
4891 (add_AT_location_description): Also elide the descriptor if both
4892 halves of a CONCAT are pseudos.
4893 (add_location_or_const_value_attribute): Recognize CONCAT too.
4895 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
4897 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
4899 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
4900 out-or-range reg_offset.
4901 (output_epilog): Likewise.
4903 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
4905 * cse.c (simplify_relational_operation): If MODE specifies a
4906 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
4907 is derived from the sign bit of the low word.
4909 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4911 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
4913 * dwarf2.h: Add DW_CFA_GNU_args_size.
4914 * frame.c (execute_cfa_insn): Likewise.
4915 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
4916 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
4917 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
4918 insn, hand it off to dwarf2out_stack_adjust.
4919 (dwarf2out_begin_prologue): Initialize args_size.
4920 * frame.h (struct frame_state): Add args_size.
4921 * libgcc2.c (__throw): Use args_size.
4922 * final.c (final_scan_insn): If we push args, hand off all insns
4923 to dwarf2out_frame_debug.
4924 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
4926 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
4927 Handle epilogue restore of SP from FP.
4928 * emit-rtl.c (gen_sequence): Still generate a sequence if the
4929 lone insn has RTX_FRAME_RELATED_P set.
4931 * frame.c (extract_cie_info): Handle "e" augmentation.
4932 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
4933 absence of UNALIGNED_*_ASM_OP.
4934 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
4935 (output_call_frame_info): Use "e" instead of "z" for augmentation.
4936 Don't emit augmentation fields length.
4937 (dwarf2out_do_frame): Move outside of #ifdefs.
4938 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
4941 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
4942 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
4943 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
4944 * sparc/sun4gas.h: New file.
4945 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
4947 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
4948 __register_frame_table and __deregister_frame.
4950 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
4952 * except.c (find_exception_handler_labels): Use xmalloc instead of
4953 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
4956 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
4958 * Makefile.in: Various changes to build info files
4959 in the object tree rather than the source tree.
4961 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
4963 * fixinc.math: New file to fix math.h on some systems.
4964 * configure.in (freebsd, netbsd): Use fixinc.math on these
4966 * configure: Rebuilt.
4968 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
4970 * regmove.c (regmove_optimize): If we end up moving the
4971 original insn due to lifetime overlaps, make sure to move
4974 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
4976 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
4978 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
4980 * haifa-sched.c (add_branch_dependences): Make each insn in
4981 a SCHED_GROUP_P block explicitly depend on the previous insn.
4983 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
4985 * except.h: Prototype dwarf2 hooks.
4988 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
4990 * configure.in (native_prefix): Delete.
4991 (mips-dec-netbsd): Don't set prefix.
4992 (*linux*): Don't set prefix.
4994 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
4996 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
4997 defined. If not defined, include <sys/varargs.h> if
4998 HAVE_SYS_VARARGS_H is defined.
4999 * configure.in: Test for varargs.h and sys/varargs.h.
5000 * configure: Regenerate with autoconf.
5001 * config.in: Regenerate with autoheader.
5003 * cpplib.c (quote_string): Cast first arg of sprintf call
5004 from "unsigned char *" to "char *".
5005 (output_line_command): Ditto.
5006 (macroexpand): Ditto.
5007 (do_line): Cast atoi arg from "unsigned char *" to "char *".
5009 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
5011 * version.c: Bump for snapshot.
5013 * Makefile.in (compare): Exit with nonzero status if there
5014 are comparison failures. Note which files failed the
5015 comparison test in .bad_compare.
5017 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5019 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
5021 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
5023 * Makefile.in (LN, LN_S): New macros, use where appropriate.
5024 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
5025 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
5026 * configure: Regenerated.
5028 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
5030 * loop.c (strength_reduce): Fix typo.
5032 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
5034 * m88k/m88k.c (struct option): Rename to struct options.
5035 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
5036 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
5037 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
5038 __DOLPHIN__ or sysV88.
5040 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
5042 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
5045 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
5047 * config.sub: Accept 'amigados' for backward compatability.
5049 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5051 * Makefile.in (testsuite/site.exp): New target.
5052 (check-gcc, check-g++): Depend on testsuite/site.exp.
5053 Don't stop for failure.
5055 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
5057 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
5058 if DWARF2_UNWIND_INFO.
5060 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
5062 Add support for exception handling using DWARF 2 frame unwind info.
5063 Currently works on SPARC and MIPS, and almost on x86.
5065 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
5066 next_stack_level, in_reg_window): Helper fns.
5067 (__throw): Implement for DWARF2_UNWIND_INFO.
5069 * expr.c (expand_builtin): Handle builtins used by __throw.
5070 * tree.h (enum built_in_function): Add builtins used by __throw.
5071 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
5072 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
5073 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
5074 (expand_builtin_extract_return_addr): Likewise.
5075 (expand_builtin_frob_return_addr): Likewise.
5076 (expand_builtin_set_return_addr_reg): Likewise.
5077 (expand_builtin_eh_stub): Likewise.
5078 (expand_builtin_set_eh_regs): Likewise.
5079 (eh_regs): Choose two call-clobbered registers for passing back values.
5081 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
5082 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
5083 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
5084 (stmp-multilib): Likewise.
5085 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
5087 * except.c: #include "defaults.h".
5088 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
5089 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
5090 (register_exception_table_p): New fn.
5091 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
5092 (end_eh_unwinder): Likewise.
5094 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
5095 call __register_frame and __deregister_frame as needed.
5096 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
5097 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
5098 EH_FRAME_SECTION_ASM_OP.
5099 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
5100 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
5101 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
5103 * dwarf2out.c (output_call_frame_info): If no support for
5104 EXCEPTION_SECTION, mark the start of the frame info with a
5106 * collect2.c (frame_tables): New list.
5107 (is_ctor_dtor): Recognise frame entries.
5108 (scan_prog_file): Likewise.
5109 (main): Pass -fno-exceptions to sub-compile. Also do collection
5110 if there are any frame entries.
5111 (write_c_file_stat): Call __register_frame_table and
5112 __deregister_frame as needed.
5113 (write_c_file_glob): Likewise.
5115 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
5116 Also require unaligned reloc support.
5117 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5118 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
5119 * sparc/sysv4.h: Not here.
5121 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
5122 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
5123 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
5125 * libgcc2.c (L_eh): Reorganize, moving code shared by different
5126 EH implementations to the top.
5127 (find_exception_handler): Split out. Start from 0. Compare against
5129 (__find_first_exception_table_match): Use it.
5130 * except.c (output_exception_table): Don't do anything if there's
5131 no table. Don't output a first entry of zeroes.
5132 (eh_outer_context): Adjust properly.
5133 (add_eh_table_entry): Use xrealloc.
5134 * toplev.c (compile_file): Just call output_exception_table.
5136 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
5138 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
5140 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
5142 * except.c (eh_outer_context): Do masking using expand_and.
5144 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
5146 Add port done awhile ago for the ARC cpu.
5147 * arc/arc.h: New file.
5148 * arc/arc.c: New file.
5149 * arc/arc.md: New file.
5150 * arc/initfini.c: New file.
5151 * arc/lib1funcs.asm: New file.
5152 * arc/t-arc: New file.
5153 * arc/xm-arc.h: New file.
5154 * ginclude/va-arc.h: New file.
5155 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
5156 * ginclude/varargs.h: Likewise.
5157 * Makefile.in (USER_H): Add va-arc.h.
5158 * configure.in (arc-*-elf*): Recognize.
5159 * longlong.h: Add ARC support.
5161 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
5163 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
5164 when clearing non-BLKmode data.
5166 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
5168 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
5169 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
5171 * xm-m88k.h (USG): Only define if it hasn't already been defined.
5173 * Makefile.in (risky-stage1): Delete gratutious whitespace.
5175 * Makefile.in (clean): Delete libgcc1-test.
5177 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
5179 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
5181 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
5184 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5186 * dwarf2out.c (output_call_frame_info): Call named_section.
5188 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
5190 * haifa-sched.c (print_value): Fix last change.
5192 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
5194 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
5197 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
5199 * mips.c (function_prologue): Set up the CFA when ABI_32.
5201 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
5202 for dwarf2 unwind info.
5203 (output_function_prologue, sparc_flat_output_function_prologue): Same.
5205 * final.c (final_end_function): Check dwarf2out_do_frame instead
5206 of DWARF2_DEBUG for dwarf2 unwind info.
5207 (final_scan_insn): Likewise.
5208 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
5211 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
5214 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
5216 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
5218 * v850.h (ASM_SPEC): Pass on target processor.
5219 (CPP_PREDEFINES): Only define if not already specified.
5220 (TARGET_VERSION): Only define if not already specified.
5221 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
5223 (EXTRA_SWITCHES): Extra entries in the switches array.
5224 (TARGET_DEFAULT): Set default target processor.
5226 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
5228 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
5229 cases, add %# and %/, and add : to make them into extended asms.
5231 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
5233 * alias.c (init_alias_analysis): Clean up incompatible pointer
5234 type warning in bzero.
5235 * regmove.c (regmove_optimize): Ditto.
5236 * haifa-sched.c (find_rgns): Ditto.
5238 * haifa-sched.c (print_value): Clean up ptr->int cast
5241 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
5243 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
5244 * install.texi (Configurations): Ditto.
5245 * config.sub: Ditto.
5247 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
5249 * Makefile.in (sdbout.o): Depend on insn-config.h.
5251 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
5253 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
5254 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
5256 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
5258 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
5259 prologue insn, only the first elt is significant.
5260 (output_call_frame_info): For exception handling, always use 4-byte
5261 fields as specified by the dwarf2 spec.
5262 Don't skip trivial FDEs.
5264 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
5266 * version.c: Bump for snapshot.
5268 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
5270 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
5271 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
5274 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
5276 * final.c (shorten_branches): During first pass, assume worst
5277 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
5279 * Makefile.in (distclean): Remove various things left around
5280 by running the testsuite.
5282 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
5284 * configure.in (out_file): Emit definition to config.status in order
5285 to have a defined value for configure.lang.
5286 * configure: Re-built.
5288 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
5290 * configure.in: Make symlink to as-new rather than as.new. Similarly
5292 * configure: Rebuilt.
5294 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
5296 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
5298 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
5300 * sparc/sparc.md: Add ultrasparc scheduling support.
5301 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
5303 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5305 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
5306 as initial value for real_label_map.
5307 (copy_for_inline): Likewise.
5309 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5311 * sched.c (update_flow_info) When looking if to set found_split_dest
5312 or found_orig_dest, look at all parts of a PARALLEL.
5313 * haifa-sched.c (update_flow_info): Likewise.
5315 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
5317 * v850: New directory for v850 port.
5318 * v850/lib1funcs.asm: New file.
5319 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
5320 * ginclude/va-v850.h: New file.
5321 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
5322 * configure.in (mn10200-*-*): New target.
5323 * configure: Rebuilt.
5324 * config.sub: Handle v850-elf.
5325 * Makefile.in (USER_H): Add va-mn10200.h.
5326 * invoke.texi: Document v850 stuff.
5328 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
5330 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
5331 has integer TYPE_{MAX,MIN}_VALUE before using them.
5333 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
5334 __HPUX_ASM__ versions.
5336 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
5338 * install.sh: Delete duplicate install script.
5340 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
5342 * reg-stack.c (subst_stack_regs): Pop the stack register for a
5343 computed goto which sets the same stack register.
5345 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
5346 destination are both on the regstack.
5347 (subst_stack_regs_pat): Put the destination at the top of the regstack.
5349 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
5351 * mips.md (nonlocal_goto_receiver): Define.
5353 * profile.c (output_arc_profiler): Check next_insert_after for non
5354 NULL before deferencing it.
5356 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
5358 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
5360 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
5362 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
5364 * toplev.c (rest_of_compilation): For passes starting with
5365 flow_analysis, use print_rtl_with_bb instead of print_rtl.
5367 * print-rtl.c (print_rtl_single): Print a single rtl value to a
5370 * flow.c (print_rtl_with_bb): Print which insns start and end
5371 basic blocks. For the start of a basic block, also print the live
5374 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
5376 * toplev.c (main): Change #elif to #else/#ifdef
5378 * tlink.c: Include ctype.h.
5379 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
5381 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
5383 * bitmap.c: Conditionally include stdlib.h.
5384 (free): Provide a declaration if NEED_DECLARATION_FREE.
5386 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
5388 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
5390 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
5392 * profile.c (output_arc_profiler): Verify next_insert_after is an
5393 INSN before and after skipping a stack pop.
5395 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5397 * final.c (shorten_branches): Don't count the lengths of deleted
5400 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
5402 * version.c: Bump for snapshot.
5404 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
5406 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
5407 two bitmaps ANDed together.
5408 (bitmap_print): Declare.
5410 * bitmap.c (function_obstack): Don't declare any more.
5411 (bitmap_obstack): Obstack for allocating links from.
5412 (bitmap_obstack_init): New static to say whether to initialize
5414 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
5415 (bitmap_release_memory): Free all memory allocated from
5418 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
5419 EXECUTE_IF_AND_IN_BITMAP.
5421 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
5423 * alias.c (true_dependence): Address with AND can alias scalars.
5424 (anti_dependence, output_dependence): Likewise.
5426 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
5428 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
5430 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
5431 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
5432 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
5433 definitions. Use -qrtems instead of -mrtems.
5435 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
5437 * xm-sco5.h (sys_siglist): Define.
5438 (SYS_SIGLIST_DECLARED): Likewise.
5440 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
5442 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
5444 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
5446 * except.c (eh_outer_context): Expand masking operation using
5449 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
5451 * alpha.md (floatdisf2-1): New pattern.
5453 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
5455 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
5456 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
5457 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
5458 * gcc.texi: Note that if you define sys_siglist that you should
5459 also define SYS_SIGLIST_DECLARED.
5461 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
5462 are relative to the next instruction, not the current instruction.
5464 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
5466 * local-alloc.c (contains_replace_regs): New function.
5467 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
5468 verify that there is no existing REG_EQUIV note, and add a call to
5469 contains_place_regs.
5471 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5473 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
5474 (STARTFILE_SPEC): Always use crtbegin.o%s
5475 (ENDFILE_SPEC): Always use crtend.o%s.
5477 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
5479 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
5481 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
5482 SFmode for 64 bit hosts.
5484 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
5486 * fixincludes: Permits spaces between # and define. Discard C++
5487 comments in sys/pci.h on HP/UX 10.20.
5489 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
5491 * version.c: Bump for snapshot.
5493 * pa.c (restore_unscaled_index_insn_codes): New function.
5494 (record_unscaled_index_insn_codes): Likewise.
5495 (output_function_prologue): Call restore_unscaled_index_insn_codes.
5496 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
5497 (pa_reorg): Call record_unscaled_index_insn_codes.
5499 * haifa-sched.c (move_insn): Handle notes correctly for insns
5500 with SCHED_GROUP_P set.
5502 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5504 * alpha/xm-linux.h (USE_BFD): Undef before define.
5506 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
5508 * cse.c (cse_insn): Don't record BLKmode values.
5510 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
5512 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
5514 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
5516 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
5517 * collect2.c (sys_errlist): Likewise.
5518 * cpplib.c (sys_errlist): Likewise.
5519 * gcc.c (sys_errlist): Likewise.
5520 * protoize (sys_errlist): Likewise.
5521 * configure.in: Check for strerror.
5522 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
5523 * xm-gnu.h (HAVE_STRERROR): Likewise.
5524 * xm-linux.h (HAVE_STRERROR): Likewise.
5525 * xm-netbsd.h (HAVE_STRERROR): Likewise.
5526 * xm-bsd386.h (HAVE_STRERROR): Likewise.
5527 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
5528 * xm-dos.h (HAVE_STRERROR): Likewise.
5529 * xm-mingw32.h (HAVE_STRERROR): Likewise.
5530 * xm-pa.h (HAVE_STRERROR): Likewise.
5531 * xm-papro.h (HAVE_STRERROR): Likewise.
5532 * xm-sysv4.h (HAVE_STRERROR): Likewise.
5533 * configure, config.in: Rebuilt.
5535 * Makefile.in: Add several missing "else true" clauses.
5537 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
5538 * mips-tfile.c: Likewise.
5539 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
5540 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
5541 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
5542 * configure.in: Check for sys_siglist declaration.
5543 * configure, config.in: Rebuilt.
5545 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
5547 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
5548 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
5549 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
5550 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
5551 * rs6000/sysv4.h (extra_subtarget_switches): Added new
5552 macro EXTRA_SUBTARGET_SWITCHES.
5553 * configure.in (sh*-*-rtems*): New target.
5554 * sh/rtems.h: New file.
5555 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
5556 * configure: Rebuilt.
5558 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
5560 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
5562 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
5564 * rs6000.md: Make DF fused-add operations pay attention to
5567 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
5569 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
5571 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
5573 * pa.md (reload_peepholes): Make sure operand is a REG before
5574 examining REGNO. Allow general registers too.
5576 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
5578 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
5580 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
5582 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
5583 to reallocate abbrev_die_table.
5585 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
5587 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
5589 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5591 * Makefile.in (config.status): Depend on version.c
5593 * expr.h (insn_gen_function): Reenable prototype.
5595 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
5598 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
5600 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
5602 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
5604 * version.c: Bump for latest snapshot.
5606 * bc-optab.c: Conditionally include stdlib.h.
5607 (free): Provide a declaration if NEED_DECLARATION_FREE.
5608 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
5609 * rtl.h (free): Remove declaration.
5610 * tree.h (free): Remvoe declaration.
5612 * configure: Rebuilt.
5614 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
5616 * flags.h (flag_move_all_movables): Declare.
5617 (flag_reduce_all_givs): Likewise.
5618 * loop.c (move_movables): Handle flag_move_all_movables.
5619 (strength_reduce): Handle flag_reduce_all_givs.
5620 * toplev.c (flag_move_all_movables): Define.
5621 (flag_reduce_all_givs): Likewise.
5622 (f_options): Add -fmove-all-movables and -freduce-all-givs.
5623 * invoke.texi: Document new options, including alias stuff that
5624 wasn't included last time.
5626 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
5628 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
5631 * t-vxworks68: Ditto.
5632 * t-vxworks960: Ditto.
5635 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
5637 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
5638 if not already defined, and USE_C_ALLOCA not defined.
5640 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
5642 * config.guess: Replace with script that uses ../config.guess.
5644 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
5645 if USE_GNULIBC_1 is not defined.
5647 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
5649 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
5650 * config.guess: Recognize alpha-linux-gnulibc1.
5651 * configure.in (alpha-*-linux-gnulibc1): New target.
5652 (alpha-*-linux-gnu*): Don't build crtbegin/end.
5654 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
5656 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
5659 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
5661 * loop.c (combine_movables): Earlier insns don't match later ones.
5663 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5665 * config/linux.h (CC1_SPEC): Define it only if not defined.
5667 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
5670 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
5671 USE_GNULIBC_1 is not defined.
5673 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
5675 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
5676 as 1 if USE_GNULIBC_1 is not defined.
5678 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
5680 * reorg.c (dbr_schedule): Allow current_function_return_rtx
5681 to be something other than a REG.
5682 * function.c (expand_function_end): Fix current_function_return_rtx
5685 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
5686 * x-netbsd: Likewise
5687 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
5688 (INSTALL_HEADERS): Delete.
5689 * x-dguxbcs: Likewise.
5690 * x-hp3bsd44: Likewise
5693 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5695 * i386.md (pop): pop increments the stack pointer.
5696 (prologue_set_stack_ptr): New pattern.
5697 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
5700 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
5702 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
5703 address where an offsettable address is required.
5705 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
5707 * loop.c (check_final_value): Don't miss a biv increment in a
5710 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
5712 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
5713 TYPE_DECL_IS_STUB instead of DECL_NAME.
5715 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5717 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
5719 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
5721 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
5723 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
5725 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
5726 (find_post_sched_live): Likewise.
5728 * haifa-sched.c (schedule_block): Remove old code to get arguments
5729 from hard regs into pseudos early.
5731 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
5733 * version.c: Bump for new snapshot.
5735 * local-alloc.c (update_equiv_regs): All the target to reject
5736 promotion of some REG_EQUAL to REG_EQUIV notes.
5737 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
5739 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
5742 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
5743 store of the argument registers.
5745 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
5747 * fold-const.c (multiple_of_p): New function.
5748 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
5750 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
5752 * expr.h (insn_gen_function): Temporarily remove prototype.
5754 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
5756 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
5757 filenames. Use sed to extract base filename for install.
5759 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
5761 * unroll.c (find_splittable_givs): Only share if two givs have the
5762 same add and multiply values.
5764 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
5766 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
5767 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
5769 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
5771 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
5772 around branch tables.
5773 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
5774 and .end_brtab directives if TARGET_GAS.
5776 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
5778 * alias.c (true_dependence): Pass x_addr not x to varies.
5780 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
5781 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
5782 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
5784 * config.in, configure: Regenerate.
5786 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
5788 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
5790 (record_set): Handle LO_SUM like PLUS.
5791 (init_alias_analysis): When following chains of base addresses,
5792 do not stop on reaching a hard register.
5794 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
5796 * version.c: Bump for new snapshot.
5798 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
5800 * alpha.h (ARCH_ASM_FILE_START): Define.
5801 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
5802 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
5804 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
5806 * Makefile.in (install-common): Put gcov comment at start of line.
5808 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
5810 * alias.c (init_alias_analysis): When simplifying the reg_base_value
5811 array, simplify entries for hard registers too.
5813 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
5815 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
5818 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
5820 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
5821 block_stack before dereferencing it.
5823 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
5825 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
5827 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5829 * cplus-dem.c: Add 'extern' to prepends_underscore.
5831 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
5833 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
5834 (get_issue_rate): Delete.
5835 * pa.h (ISSUE_RATE): Define.
5837 * configure.in: Turn on haifa by default for the PA.
5838 * configure: Rebuilt.
5839 * pa.c (override_options): Accept -mschedule=7200 option.
5840 (pa_adjust_cost): No longer need to scale costs for newer
5842 * pa.h (enum processor_type): Add PROCESSOR_7200.
5843 * pa.md: Revamp scheduling parameters to work better with
5844 haifa. Add scheduling parameters for the 7200.
5846 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
5848 (schedule_block): When adjusting basic_block_{head,end}, account
5849 for movement of SCHED_GROUP_P insns too.
5851 * haifa-sched.c (debug_dependencies): Fix thinko.
5853 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
5854 (site.exp, check, check-g++, check-gcc): New targets.
5856 * haifa-sched.c: Make lots of variables static.
5858 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5860 * expr.h, real.h: Finish prototyping.
5862 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
5864 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
5865 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
5866 * reload1.c: Undo bugfix from Aug 11.
5868 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
5870 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
5871 quotes around the name.
5872 * configure: Regenerate.
5874 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
5876 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
5878 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
5880 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
5881 to sub-makes to avoid building more passes than the user might have
5882 requested on the command line.
5884 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
5886 * configure.in: Expurgate `broken_install' (install is
5889 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
5892 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
5894 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
5895 functions and declarations.
5896 (analyze_loop_iterations): Use condjump_p.
5897 (insert_bct): Likewise. Use exact_log2.
5899 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
5901 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
5902 (schedule_region): Likewise.
5903 (schedule_insns): Likewise.
5905 * PROJECTS: Update with Haifa stuff.
5907 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
5909 * version.c: Change the version string to look like:
5910 egcs-2.90.00 970814 (gcc2-970802 experimental).
5912 * loop.c (is_conditional_branch): Make definition match declaration.
5914 * gcc.c: Take out experimental snapshot warning message.
5916 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
5918 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
5919 print out the names of the notes. Print out the name of the insn
5920 that is not a note, and not an {,CALL_,JUMP_}INSN.
5922 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
5924 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
5925 again for the slot after we give it RTL.
5927 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
5929 * configure.in (haifa configury): Fix typo.
5930 * configure: Regenerate.
5932 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
5934 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
5936 * gcc.info*: Rebuilt.
5938 * COPYING.g77, README.g77: New files.
5939 * real.c (ereal_unto_float, ereal_unto_double): New functions.
5940 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
5941 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
5943 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
5945 * Integrate Haifa instruction scheduler.
5946 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
5947 to sched with $(SCHED_CFLAGS.
5948 * configure.in: Handle --enable-haifa.
5949 * configure: Rebuilt.
5950 * flags.h: Add new flags for haifa instruction scheduler.
5951 * genattrtab.c (expand_units): For haifa, don't subtract one
5952 when computing blockage.
5953 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
5954 (flag_schedule_speculative): Ditto.
5955 (flag_schedule_speculative_load): Ditto.
5956 (flag_schedule_speculative_load_dangerous): Ditto.
5957 (flag_schedule_reverse_before_reload): Ditto.
5958 (flag_schedule_reverse_after_reload): Ditto.
5959 (flag_branch_on_count_reg): Ditto.
5960 (f_options): Add Haifa switches.
5961 (main): Turn off some Haifa options if appropriate macro is
5962 defined. Process Haifa switches.
5963 * unroll.c (iteration_info): No longer static, since Haifa
5965 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
5966 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
5967 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
5968 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
5969 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
5970 storage for the Haifa scheduler.
5971 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
5973 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
5974 are defined, call analyze_loop_iterations and insert_bct to use
5976 (record_giv): Refine test for jumps out of loops if HAIFA is
5978 (analyze_loop_iterations): New function to identify if we can use
5980 (insert_bct): Insert countdown loop.
5981 (instrument_loop_bct): Low level code to insert countdown loop.
5982 (loop_number): Calculate UID of loop.
5983 (indirect_jump_in_function_p): Return true if an indirect jump is
5985 (is_power_of_2): Return true if value is a power of 2.
5986 (is_conditional_branch): Return true if insn is a conditional
5988 (fix_bct_param): Process -fbct-{min,max}-N switches.
5989 (check_bct_param): Return true if loop should be instrumented.
5990 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
5991 (loop_optimize): Initialize.
5992 (get_condition_for_loop): Ditto.
5993 * loop.c (strength_reduce): Inside of code that uses #ifdef
5994 HAVE_decrement_and_branch_on_count code, test it to make sure the
5996 (instrument_loop_bct): Ditto.
5997 * haifa-sched.c: New file.
6000 * Integrate regmove pass.
6001 * Makefile.in (OBJS): Add regmove.o
6002 (regmove.o): Add dependencies.
6003 * flow.c (find_use_as_address): No longer static.
6004 * rtl.h (find_use_as_address): Declare.
6005 * toplev.c (regmove_dump, flag_regmove): Define.
6006 (f_options): Add -fregmove.
6007 (regmove_dump_file, regmove_time): Define.
6008 (fatal_insn): Close the regmove dump file.
6009 (compile_file): Initialize regmove_time; open/close the regmove dump
6010 file as needed. Print regmove time as needed.
6011 (rest_of_compilation): Run regmove pass if requested, dump
6012 RTL after regmove if requested.
6013 (main): If -O2 or more, turn on regmove. Handle dump switches.
6014 * regmove.c: New file.
6016 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
6018 * Integrate tlink patch from jason@cygnus.com
6019 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
6020 (process_command): Increment n_switches for them. Don't discard
6021 their args. Validate them.
6022 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
6024 (process_command): Set include_prefixes from COMPILER_PATH.
6025 (main): Set COLLECT_GCC_OPTIONS sooner.
6026 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
6027 * tlink.c, hash.c, hash.h: New files.
6028 * Makefile.in (USE_COLLECT2): Always use collect2.
6029 (collect2): Depend on and link in hash.o and tlink.o.
6030 (tlink.o, hash.o): Add dependencies.
6032 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
6034 * Integrate alias analysis changes from jfc@mit.edu
6035 * Makefile.in (OBJS): Add alias.o
6036 (alias.o): Add dependencies.
6037 * alias.c: New file.
6038 * sched.c: Remove alias analysis code. It lives in alias.c now.
6039 (sched_analyze_2): Add new arguments to true_dependence.
6040 (schedule_insns): Always call init_alias_analysis.
6041 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
6042 mark return value from such functions as a pointer and keep track of
6043 them for alias analysis. If a return value from a function is a
6044 pointer, mark it as such.
6045 * combine.c (distribute_notes): Handle REG_NOALIAS.
6046 * cse.c (struct write_data): Delete. No longer needed.
6047 (invalidate): Don't call set_nonvarying_address_components anymore.
6048 Use true_dependence to decide if an entry should be removed from
6050 (invalidate_memory): Remove WRITES argument, simplify appropriately.
6052 (note_mem_written): Similarly for WRITE_PTR argument.
6053 (invalidate_from_clobbers): Similarly for W argument.
6054 (invalidate_for_call): Remove memory elements from the hash table.
6055 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
6056 (cse_rtx_varies_p): New function. Derived from old
6057 cse_rtx_addr_varies_p.
6058 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
6059 Don't call note_mem_written anymore. Stack pushes invalidate the stack
6060 pointer if PUSH_ROUNDING is defined. No longer need to call
6061 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
6062 (skipped_writes_memory): Remove variable.
6063 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
6064 (invalidate_skipped_block): Simplify for new alias analysis code.
6065 (cse_set_around_loop): Likewise.
6066 (cse_main): Call init_alias_analysis.
6067 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
6068 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
6069 (f_options): Add new alias checking arguments.
6070 (main): Set flag_alias_check when optimizing.
6071 * local_alloc (validate_equiv_mem_from_store): Add new arguments
6073 (memref_referenced_p): Likewise.
6074 * loop.c (NUM_STORES): Increase to 30.
6075 (prescan_loop): Only non-constant calls set unknown_address_altered.
6076 (invariant_p): Add new arguments to true_dependence.
6077 (record_giv): Initialize unrolled and shared fields.
6078 (emit_iv_add_mult): Call record_base_value as needed.
6079 * loop.h (struct induction): Add unrolled and shared fields.
6080 * unroll.c (unroll_loop): Call record_base_value as needed.
6081 (copy_loop_body): Likewise.
6082 (final_biv_value): Likewise.
6083 (final_giv_value): Likewise.
6084 (find_splittable_regs): Likewise. Only create one new pseudo
6085 if we have multiple address GIVs that were combined with the same
6086 dst_reg GIV. Note when a new register is created due to unrolling.
6087 * rtl.c (reg_note_name): Add REG_NOALIAS.
6088 * rtl.h (enum reg_note): Similarly.
6089 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
6090 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
6091 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
6092 (true_dependence, read_dependence, anti_dependence): Likewise.
6093 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
6094 (mark_user_reg, mark_reg_pointer): Likewise.
6097 * Integrate reload bugfix from Wilon which enables the PA port
6099 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
6100 OPERAND_ADDRESS when computing how many registers an insn needs.
6101 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
6103 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
6105 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
6106 in reload_reg_use_in_op_addr do not reach the end.
6107 do not reach the end.
6108 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
6109 RELOAD_FOR_OPERAND_ADDRESS.
6111 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
6113 * egcs project officially starts.